moved winix directories to winixd subdirectory

git-svn-id: svn://ttmath.org/publicrep/winix/trunk@1027 e52654a7-88a9-db11-a3e9-0013d4bc506e

winixd/core/Makefile

@@ -0,0 +1,19 @@
+include Makefile.o.dep
+
+
+all: $(o)
+
+
+%.o: %.cpp
+	$(CXX) -c $(CXXFLAGS) $(CXXWINIXINCLUDEFLAGS) $<
+
+
+depend:
+	makedepend -Y. $(CXXWINIXINCLUDEFLAGS) -f- *.cpp > Makefile.dep
+	echo -n "o = " > Makefile.o.dep
+	ls -1 *.cpp | xargs -I foo echo -n foo " " | sed -E "s/([^\.]*)\.cpp[ ]/\1\.o/g" >> Makefile.o.dep
+
+clean:
+	rm -f *.o
+
+include Makefile.dep

winixd/core/Makefile.o.dep

@@ -0,0 +1 @@
+o = acceptbaseparser.o app.o basethread.o bbcodeparser.o compress.o config.o crypt.o dircontainer.o dirs.o groups.o htmlfilter.o httpsimpleparser.o image.o ipbancontainer.o item.o job.o lastcontainer.o loadavg.o lock.o log.o misc.o mount.o mountparser.o mounts.o plugin.o plugindata.o postmultiparser.o rebus.o request.o run.o session.o sessioncontainer.o sessionidmanager.o sessionmanager.o sessionparser.o slog.o synchro.o system.o threadmanager.o timezone.o timezones.o user.o users.o 

winixd/core/acceptbaseparser.cpp

@@ -0,0 +1,138 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <wchar.h>
+#include "acceptbaseparser.h"
+#include "misc.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+bool AcceptBaseParser::IsWhite(int c)
+{
+	if( c==' ' || c=='\t' )
+		return true;
+
+return false;
+}
+
+
+void AcceptBaseParser::SkipWhite()
+{
+	while( IsWhite(*text) )
+		++text;
+}
+
+
+
+
+void AcceptBaseParser::ReadParameter()
+{
+	param.clear();
+	SkipWhite();
+
+	while( *text!=0 && *text!=',' && *text!=';' )
+	{
+		param += *text;
+		++text;
+	}
+
+	TrimWhite(param);
+}
+
+
+void AcceptBaseParser::ReadQ()
+{
+	q = 1.0;
+	SkipWhite();
+
+	if( *text != ';' )
+		return;
+
+	++text; // skipping a semicolon
+
+	while( *text!=0 && *text!=',' && *text!='=' )
+		// skipping until ',' or '='
+		++text;
+
+	if( *text==0 || *text==',' )
+		return;
+
+	++text; // skipping '='
+
+	SkipWhite();
+	q = wcstod(text, (wchar_t**)&text);
+}
+
+
+void AcceptBaseParser::SkipParam()
+{
+	SkipWhite();
+
+	if( *text == ',' )
+		++text;
+}
+
+
+
+void AcceptBaseParser::Parse(const wchar_t * str)
+{
+	text = str;
+	Init();
+	
+	while( *text != 0 )
+	{
+		ReadParameter();
+		ReadQ();
+		SkipParam();
+		Param(param, q);
+	}
+}
+
+
+
+void AcceptBaseParser::Parse(const std::wstring & str)
+{
+	Parse(str.c_str());
+}
+
+
+
+} // namespace Winix
+

winixd/core/acceptbaseparser.h

@@ -0,0 +1,80 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_acceptbaseparser
+#define headerfile_winix_core_acceptbaseparser
+
+#include <string>
+
+
+namespace Winix
+{
+
+
+
+
+// sample (you must create your own class derived from this one):
+// object.Parse(L"   text/html  ;  ,  ; q = 45, application  /   xhtml+xml  ; q  = 0.4   ,    application/xml   ;   q  =  0.9  ,  */*   ;  q   =  0.8    ");
+class AcceptBaseParser
+{
+public:
+
+	void Parse(const wchar_t * str);
+	void Parse(const std::wstring & str);
+
+
+private:
+
+	virtual void Init() {} ;
+	virtual void Param(const std::wstring & param, double q) = 0;
+
+	bool IsWhite(int c);
+	void SkipWhite();
+	void ReadParameter();
+	void ReadQ();
+	void SkipParam();
+	
+	
+	const wchar_t * text;
+	std::wstring param;
+	double q;
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/acceptencodingparser.h

@@ -0,0 +1,124 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_acceptencodingparser
+#define headerfile_winix_core_acceptencodingparser
+
+#include "acceptbaseparser.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+class AcceptEncodingParser : public AcceptBaseParser
+{
+public:
+
+	bool AcceptDeflate()
+	{
+		return accept_deflate;
+	}
+
+
+	bool AcceptGzip()
+	{
+		return accept_gzip;
+	}
+
+
+	void ParseAndLog(const wchar_t * str)
+	{
+		Parse(str);
+
+		if( accept_deflate || accept_gzip )
+		{
+			log << log3 << "AEP: ";
+
+			if( accept_deflate )
+			{
+				log << "accept deflate";
+
+				if( accept_gzip )
+					log << ", ";
+			}
+
+			if( accept_gzip )
+				log << "accept gzip";
+
+			log << logend;
+		}
+	}
+
+
+	void ParseAndLog(const std::wstring & str)
+	{
+		ParseAndLog(str.c_str());
+	}
+
+
+private:
+
+	void Init()
+	{
+		accept_deflate = false;
+		accept_gzip    = false;
+	}
+
+
+	void Param(const std::wstring & param, double q)
+	{
+		if( param == L"deflate" && q!=0.0 )
+		{
+			accept_deflate = true;
+		}
+
+		if( param == L"gzip" && q!=0.0 )
+		{
+			accept_gzip = true;
+		}
+	}
+
+	bool accept_deflate;
+	bool accept_gzip;
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/app.h

@@ -0,0 +1,243 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_app
+#define headerfile_winix_core_app
+
+#include <iostream>
+#include <ctime>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
+#include <errno.h>
+#include <fcgiapp.h>
+
+#include "config.h"
+#include "system.h"
+#include "mounts.h"
+#include "request.h"
+#include "synchro.h"
+#include "sessionmanager.h"
+#include "db/db.h"
+#include "functions/functions.h"
+#include "templates/templates.h"
+#include "compress.h"
+#include "postparser.h"
+#include "cookieparser.h"
+#include "postmultiparser.h"
+#include "acceptencodingparser.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+class App
+{
+public:
+
+	App();
+
+	bool InitFCGI();
+	bool DropPrivileges();
+	bool Init();
+	void Start();
+	void Close();
+	void LogUserGroups();
+	bool Demonize();
+	void SetStopSignal();
+	bool WasStopSignal();
+	bool Lock();
+	void Unlock();
+	void StartThreads();
+	void WaitForThreads();
+
+	// configuration read from a config file
+	Config config;
+
+	// pointers to the current request and a session
+	Cur cur;
+
+	// temporary one request object
+	// current request
+	Request req;
+
+	// users sessions
+	SessionManager session_manager;
+
+	// database
+	Db db;
+	DbConn db_conn;
+
+
+
+	/*
+		model
+	*/
+
+	// ...
+	System system;
+
+	// functions (ls, cat, emacs, ...)
+	Functions functions;
+
+	// false at the beginning
+	// !! IMPROVE ME moze to do loggera dac?
+	bool stdout_is_closed;
+
+
+	/*
+		view
+	*/
+
+	Templates templates;
+
+
+private:
+
+	enum Header
+	{
+		h_200,
+		h_404,
+		h_403
+	};
+
+	PostParser post_parser;
+	PostMultiParser post_multi_parser;
+	CookieParser cookie_parser;
+	AcceptEncodingParser accept_encoding_parser;
+	Compress compress;
+	FCGX_Request fcgi_request;
+	int fcgi_socket;
+	Synchro synchro;
+	pthread_t signal_thread;
+	std::string socket_to_send_on_exit;
+	std::string send_data_buf;
+	PT::SpaceToJSON json_generic_serializer;
+	TextStream<std::wstring> json_out_stream;
+	std::string aheader_name, aheader_value;
+	std::wstring html_filtered;
+	std::string output_8bit;
+	BinaryPage compressed_output;
+	std::wstring cookie_id_string;
+
+	bool InitFCGI(char * sock, char * sock_user, char * sock_group);
+	bool InitFCGIChmodChownSocket(char * sock, char * sock_user, char * sock_group);
+	bool DropPrivileges(char * user, char * group);
+	bool DropPrivileges(const char * user, uid_t uid, gid_t gid, bool additional_groups);
+	bool CheckAccessFromPlugins();
+	void ProcessRequestThrow();
+	void ProcessRequest();
+	void BaseUrlRedirect(int code, bool add_subdomain);
+	bool BaseUrlRedirect();
+	void CheckIfNeedSSLredirect();
+	void SetLocale();
+	void CheckPostRedirect();
+	void MakePage();
+	void Make();
+	void SaveSessionsIfNeeded(); // !! IMPROVE ME wywalic do menagera sesji??
+	void LogAccess();
+	void SendData(const BinaryPage & page, FCGX_Stream * out);
+	void CreateJSONAnswer();
+
+	void ReadRequest();
+	void SendTextAnswer();
+	void SendBinaryAnswer();
+	void SendAnswer();
+
+	void LogEnvironmentVariables();
+
+	void SetEnv(const char * name, std::wstring & env);
+	void ReadEnvVariables();
+	void ReadEnvRemoteIP();
+	void ReadPostVars();
+
+	void CheckIE();
+	void CheckKonqueror();
+	void CheckRequestMethod();
+	void CheckSSL();
+	void SetSubdomain();
+
+
+	Header GetHTTPStatusCode();
+	void PrepareSessionCookie();
+	void FilterContent();
+	void SendHeaders();
+	void SendCookies();
+	bool AddHeader(const wchar_t * name, const wchar_t * value);
+	bool AddHeader(const std::wstring & name, const std::wstring & value);
+	bool AddHeader(const wchar_t * name, const PT::WTextStream & value);
+	bool AddHeader(const std::wstring & name, const PT::WTextStream & value);
+	bool PrepareHeadersStaticCreateResource(PT::WTextStream & out_path);
+	void PrepareHeadersStatic();
+	void PrepareHeaderContentType();
+	void PrepareHeadersForbidden();
+	void PrepareHeadersRedirect();
+	void PrepareHeadersSendFile();
+	void PrepareHeadersCompression(int compress_encoding);
+	void PrepareHeadersNormal(Header header, size_t output_size);
+	void PrepareHeaders(bool compressing, int compress_encoding, Header header, size_t output_size);
+	int  SelectDeflateVersion();
+	void SelectCompression(size_t source_len, bool & compression_allowed, int & compression_encoding);
+	bool CanSendContent();
+	void ClearAfterRequest();
+
+	void LogUser(const char * msg, uid_t id);
+	void LogGroup(const char * msg, gid_t id, bool put_logend = true);
+	void LogUsers();
+	void LogEffectiveGroups(std::vector<gid_t> & tab);
+	void LogGroups();
+
+	static void * SpecialThreadForSignals(void*);
+	void SendEmptyFastCGIPacket();
+
+	void CreateStaticTree();
+
+	// !! IMPROVE ME
+	// !! move to the session manager?
+	time_t last_sessions_save;
+};
+
+
+} // namespace Winix
+
+
+#endif
+
+

winixd/core/basethread.cpp

@@ -0,0 +1,271 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <errno.h>
+#include "basethread.h"
+
+
+namespace Winix
+{
+
+
+BaseThread::BaseThread() : thread_signal(PTHREAD_COND_INITIALIZER)
+{
+	synchro         = 0;
+	thread_id       = 0;
+	work_mode       = 0;
+	wake_up_was_called = false;
+}
+
+
+
+void BaseThread::SetSynchro(Synchro * psynchro)
+{
+	synchro = psynchro;
+}
+
+
+
+void BaseThread::Mode(int mode)
+{
+	work_mode = mode;
+}
+
+
+pthread_t BaseThread::ThreadId()
+{
+	return thread_id;
+}
+
+
+
+bool BaseThread::Lock()
+{
+	return synchro->Lock();
+}
+
+
+void BaseThread::Unlock()
+{
+	synchro->Unlock();
+}
+
+
+
+bool BaseThread::IsExitSignal()
+{
+bool res = true;
+
+	if( Lock() )
+	{
+		res = synchro->was_stop_signal;
+		Unlock();
+	}
+
+return res;
+}
+
+
+bool BaseThread::BaseInit()
+{
+bool init_status = false;
+
+	if( Lock() )
+	{
+		init_status = Init();	// your virtual method
+		Unlock();
+	}
+
+return init_status;
+}
+
+
+void BaseThread::BaseUninit()
+{
+	if( Lock() )
+	{
+		Uninit();		// your virtual method
+		Unlock();
+	}
+}
+
+
+
+
+bool BaseThread::BaseSignalReceived()
+{
+bool make_do = false;
+
+	wake_up_was_called = false;
+
+	try
+	{
+		make_do = SignalReceived(); // your short-time virtual method (objects are locked)
+	}
+	catch(...)
+	{
+	}
+
+return make_do;
+}
+
+
+// this is called only if your SignalReceived() returned true
+void BaseThread::BaseDo()
+{
+	try
+	{
+		Do(); // your long-time virtual method (objects are *not* locked)
+	}
+	catch(...)
+	{
+	}
+}
+
+
+// use it with Lock and Unlock
+bool BaseThread::WaitForSignal()
+{
+	if( synchro->was_stop_signal || wake_up_was_called )
+		return true;
+
+	return pthread_cond_wait(&thread_signal, &synchro->mutex) == 0;
+}
+
+
+
+// you should use this method with: synchro->Lock() and Unlock()
+void BaseThread::WakeUpThread()
+{
+	wake_up_was_called = true;
+	pthread_cond_signal(&thread_signal);
+}
+
+
+// use it with Lock and Unlock
+// it breaks only if there was a stop signal or the time has expired
+bool BaseThread::WaitForSignalSleep(time_t second)
+{
+timespec t;
+int res;
+
+	if( synchro->was_stop_signal )
+		return true;
+
+	t.tv_sec  = time(0) + second;
+	t.tv_nsec = 0;
+
+	do
+	{
+		res = pthread_cond_timedwait(&thread_signal, &synchro->mutex, &t);
+	}
+	while( res == 0 && !synchro->was_stop_signal );
+	// above condition means there was a signal
+	// but it was not a stop signal so we should still wait
+
+return res == 0 || res == ETIMEDOUT;
+}
+
+
+void BaseThread::WaitForThread()
+{
+	pthread_join(thread_id, 0);
+}
+
+
+void BaseThread::SignalLoop()
+{
+bool make_do;
+
+	do
+	{
+		if( Lock() )
+		{
+			make_do = false;
+
+			if( WaitForSignal() )					// automatically unlock, wait and lock again when signal comes
+				if( !synchro->was_stop_signal )
+					make_do = BaseSignalReceived();	// your short-time virtual method will be called (objects locked)
+	
+			Unlock();								// unlocking from WaitForSignal()
+
+			if( make_do )
+				BaseDo();							// your long-time virtual method will be called (objects *not* locked)
+		}
+	}
+	while( !IsExitSignal() );
+}
+
+
+void * BaseThread::StartRoutine(void * this_object)
+{
+	BaseThread * base = reinterpret_cast<BaseThread*>(this_object);
+
+	if( base->synchro )
+	{
+		if( base->BaseInit() )
+		{
+			if( base->work_mode == 0 )
+				base->SignalLoop();
+			else
+				base->Work();
+
+			base->BaseUninit();
+		}
+	}
+
+	pthread_exit(0);
+	return 0;
+}
+
+
+
+bool BaseThread::StartThread()
+{
+pthread_attr_t attr;
+
+	pthread_attr_init(&attr);
+	pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+
+	int res = pthread_create(&thread_id, &attr, StartRoutine, this);
+
+	pthread_attr_destroy(&attr);
+
+return res == 0;
+}
+
+
+} // namespace Winix
+
+

winixd/core/basethread.h

@@ -0,0 +1,158 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_basethread
+#define headerfile_winix_core_basethread
+
+#include <pthread.h>
+#include "synchro.h"
+
+
+namespace Winix
+{
+
+
+
+
+class BaseThread
+{
+public:
+	
+	BaseThread();
+
+	// synchro object (must be set)
+	void SetSynchro(Synchro * psynchro);
+
+	// work mode
+	// we have two modes:
+	//  0 - there is a loop with SignalReceived() and Do()
+	//      if SignalReceived() returns true then Do() is called
+	//  1 - only Work() method is called
+	//      the thread exits after Work() has finished
+	// default: 0
+	void Mode(int mode);
+
+	// starting the second thread
+	bool StartThread();
+
+
+	// virtual methods which should/can be inherited by your class
+	// the methods will be called from the other thread
+
+	// wake up the second thread
+	// (if it waits for the signal)
+	// you should use it with: synchro->Lock() and Unlock()
+	// if the thread doesn't wait on a signal then nothing is done
+	virtual void WakeUpThread();
+
+	// waiting until the thread exits
+	// you should call WakeUpThread() before
+	virtual void WaitForThread();
+
+	// initialize the thread
+	// (global objects are locked)
+	// if it returns false then the thread immediately exits
+	// default: true
+	virtual bool Init() { return true; }
+
+	// uninitialize the thread
+	// this is called before the thread is prepare to detach
+	// (global objects are locked)
+	// it's called only if Init() returned true
+	virtual void Uninit() {}
+
+	// returns the thread id
+	// this identifier is set by StartThread() metdhod
+	pthread_t ThreadId();
+
+
+
+protected:
+
+
+	// signal came (work mode = 0 - default)
+	// signal comes when an other thread calls WakeUpThread() method
+	// check specific job and return true to call Do() next
+	// (global objects are locked -- copy some global objects to local variables)
+	virtual bool SignalReceived() { return false; };
+
+	// if SignalReceived() returned true then this method is called
+	// global objects are *not* locked -- use only your local variables
+	// if you have to do something on global objects use synchro->Lock() and synchro->Unlock()
+	virtual void Do() {}
+
+	// this method is called after Init() when Mode(1) is used
+	// this is for long-time job
+	// this method is called only once
+	// global objects are *not* locked
+	virtual void Work() {}
+
+
+
+
+protected:
+
+	Synchro * synchro;
+	pthread_t thread_id; // thread id - set by StartThread()
+	pthread_cond_t thread_signal;
+	int work_mode;
+	bool wake_up_was_called;
+
+	void SignalLoop();
+	static void * StartRoutine(void *);
+	bool BaseInit();
+	void BaseUninit();
+	bool BaseSignalReceived();
+	void BaseDo();
+	bool WaitForSignal();
+	bool WaitForSignalSleep(time_t second);
+
+	bool Lock();
+	void Unlock();
+
+	// if the work done by Do() is long time consuming you should periodically check
+	// wheter there was a signal for exiting, and if it was just simply return from Do()
+	// (it's checking with locking and unlocking)
+	bool IsExitSignal();
+
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif
+

winixd/core/bbcodeparser.cpp

@@ -0,0 +1,626 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "bbcodeparser.h"
+
+
+namespace Winix
+{
+
+
+
+
+bool BBCODEParser::Equal(const wchar_t * str1, const wchar_t * str2)
+{
+	while( *str1 == *str2 && *str1 != 0 )
+	{
+		str1 += 1;
+		str2 += 1;
+	}
+
+return *str1 == *str2;
+}
+
+
+
+
+bool BBCODEParser::IsValidCharForName(int c)
+{
+	if( (c>='a' && c<='z') ||
+		(c>='A' && c<='Z') ||
+		c=='*' || c=='_')
+		return true;
+
+return false;
+}
+
+
+bool BBCODEParser::IsOpeningTagMark()
+{
+	return (*pchar == '[');
+}
+
+
+// there are no commentaries in bbcode
+bool BBCODEParser::IsOpeningCommentaryTagMark()
+{
+	return false;
+}
+
+
+bool BBCODEParser::SkipCommentaryTagIfExists()
+{
+	return false;
+}
+
+
+bool BBCODEParser::IsClosingTagMark()
+{
+	return (*pchar == ']');
+}
+
+
+bool BBCODEParser::IsClosingXmlSimpleTagMark()
+{
+	return false;
+}
+
+
+
+
+
+
+
+// one enter will generate one <br>
+// two enters or more will generate only two br (<br><br>)
+void BBCODEParser::PutNormalText(const wchar_t * str, const wchar_t * end)
+{
+int br_len;
+
+	if( *pchar == 0 )
+	{
+		// trimming last white characters at end of the user text
+		while( str<end && (IsWhite(*(end-1)) || *(end-1)==10) )
+			--end;
+	}
+
+
+	while( str < end )
+	{
+		if( *str == 10 )
+		{
+			++str;
+			br_len = 1;
+
+			// skipping white characters without a new line character
+			while( str < end && IsWhite(*str) )
+				++str;
+
+			if( str < end && *str == 10 )
+			{
+				br_len = 2;
+
+				// skipping white characters with new line characters
+				while( str < end && (IsWhite(*str) || *str==10) )
+					++str;
+			}
+
+			if( !has_open_ol_tag && !has_open_ul_tag && !has_open_li_tag )
+			{
+				for(int i=0 ; i < br_len ; ++i)
+					(*out_string) += L"<br>\n";
+			}
+		}
+		else
+		{
+			PrintEscape(*str);
+			++str;
+		}
+	}
+}
+
+
+
+void BBCODEParser::ReadNormalTextSkipWhite(const wchar_t * & start, const wchar_t * & last_non_white)
+{
+}
+
+
+void BBCODEParser::CheckExceptions()
+{
+	if( stack_len >= 2 )
+	{
+		if( pstack[stack_len-1].type == Item::opening &&
+			pstack[stack_len-2].type == Item::opening &&
+			IsNameEqual(L"*", pstack[stack_len-1].name) &&
+			IsNameEqual(L"*", pstack[stack_len-2].name) )
+		{
+			// removing the last [*] from the stack
+			// </li> was put automatically
+			PopStack();
+		}
+	}
+}
+
+
+
+
+/*
+	bbcode format:
+	[bbcodetag=value]some text[/bbcodetag]
+	the value can be quoted, e.g.
+	[bbcodetag="value"]some text[/bbcodetag], or
+	[bbcodetag='value']some text[/bbcodetag]
+
+	the third string below (in tags table) is 'html_argument' from Tags,
+	it can contain a special character % followed by a string which means:
+	 %1  - "value" escaped as for html
+	 %2  - "some text" escaped as for html
+	 %u1 - "value" trimmed and escaped as for url-es
+	 %u2 - "some text" trimmed and escaped as for url-es
+	 %%  - one %
+
+	 if you are using %2 or %u2 then "some text" is not treated as bbcode, e.g.
+	 [bbcodetag=value]some [b]text[/b][/bbcodetag] will produce:
+	 <htmltag arg="value">some [b]text[/b]</htmltag> (the inner tags [b][/b] were not parsed)
+
+	 also when using %2 or %u2 the closing bbcode tag is skipped 
+	 (if you want this tag then you can put it in 'html_argument')
+
+	 and when using u (%u1 or %u2) the argument is trimmed from whitespaces and new lines
+	 at the beginning and at the end
+	 (because otherwise a space would be changed to %20 and this were probably not what you really wanted)
+*/
+const BBCODEParser::Tags * BBCODEParser::FindTag(const wchar_t * tag)
+{
+	static Tags tags[] = {
+		{L"*",     L"li",    L">",                        false},
+		{L"b",     L"em",    L">",                        true},
+		{L"i",     L"span",  L" class=\"bbitalic\">",     true},
+		{L"u",     L"span",  L" class=\"bbunderline\">",  true},
+		{L"s",     L"span",  L" class=\"bbstrike\">",     true},
+		{L"code",  L"code",  L" class=\"bbcode\">",       false},
+		{L"list",  L"ul",    L" class=\"bblist\">",       false},
+		{L"color", L"span",  L" class=\"bbcol%1\">",      true},
+		{L"url",   L"a",     L" href=\"%u1\">",           true},
+		{L"img",   L"img",   L" alt=\"%1\" src=\"%u2\">", true},
+		{L"quote", L"div",   L" class=\"bbquote\">\n<span class=\"bbquotewho\">%1</span><br>\n", false},
+	};
+
+	size_t i;
+	size_t len = sizeof(tags) / sizeof(Tags);
+
+	for(i=0 ; i<len ; ++i)
+	{
+		if( Equal(tag, tags[i].bbcode) )
+			return &tags[i];
+	}
+
+return 0;
+}
+
+const BBCODEParser::Tags * BBCODEParser::FindTag(const std::wstring & tag)
+{
+	return FindTag(tag.c_str());
+}
+
+
+
+void BBCODEParser::PrintArgumentCheckQuotes(const wchar_t * & start, const wchar_t * & end)
+{
+	// skipping white characters from the argument
+	while( start<end && IsWhite(*start) )
+		++start; 
+
+	// skipping first '=' character if exists
+	if( start<end && *start == '=' )
+		++start; 
+
+	// skipping white characters from the argument
+	// at the beginning
+	while( start<end && IsWhite(*start) )
+		++start; 
+
+	// and at the end
+	while( start<end && IsWhite(*(end-1)) )
+		--end; 
+
+
+	if( start<end && (*start=='\'' || *start=='\"') )
+	{
+		++start;
+
+		if( start<end && *(start-1) == *(end-1) )
+			--end;
+
+		// skipping white characters after a first quote char [url  =  "   ww...."]
+		while( start<end && IsWhite(*start) )
+			++start; 
+	}
+}
+
+
+
+void BBCODEParser::PrintEncode(int c)
+{
+	if( c == '&' )
+	{
+		(*out_string) += L"&amp;";
+	}
+	else
+	if( (c>='a' && c<='z') ||
+		(c>='A' && c<='Z') ||
+		(c>='0' && c<='9') ||
+		(c=='_' || c=='?' || c=='.' || c==',' || c=='/' || c=='-' ||
+		 c=='+' || c=='*' || c=='(' || c==')' || c=='=' || c==':')
+		)
+	{
+		(*out_string) += c;
+	}
+	else
+	{
+		wchar_t buffer[20];
+		swprintf(buffer, 20, L"%02X", c);
+
+		(*out_string) += '%';
+		(*out_string) += buffer;
+	}
+}
+
+
+void BBCODEParser::PrintEscape(int c, bool change_quote)
+{
+	if( c == '<' )
+	{
+		(*out_string) += L"&lt;";
+	}
+	else
+	if( c == '>' ) 
+	{
+		(*out_string) += L"&gt;";
+	}
+	else
+	if( c == '&' ) 
+	{
+		(*out_string) += L"&amp;";
+	}
+	else
+	if( c == '\"' && change_quote )
+	{
+		(*out_string) += L"&quot;";
+	}
+	else
+	{
+		(*out_string) += c;
+	}
+}
+
+
+void BBCODEParser::PrintArgumentEncode(const wchar_t * start, const wchar_t * end)
+{
+	PrintArgumentCheckQuotes(start, end);
+	TrimWhiteWithNewLines(start, end);
+
+	for( ; start<end ; ++start )
+		PrintEncode(*start);
+}
+
+
+void BBCODEParser::PrintArgumentEscape(const wchar_t * start, const wchar_t * end)
+{
+	PrintArgumentCheckQuotes(start, end);
+	
+	for( ; start<end ; ++start )
+		PrintEscape(*start, true); // quotes are escaped as well here
+}
+
+
+void BBCODEParser::CheckOpeningTag(const Tags * tag, const wchar_t * tag_name, bool & condition)
+{
+	if( Equal(tag->html_tag, tag_name) )
+	{
+		if( condition )
+		{
+			PutClosingTag(tag);
+			(*out_string) += '\n';
+		}
+
+		condition = true;
+	}
+}
+
+
+void BBCODEParser::CheckOpeningTag(const Tags * tag)
+{
+	bool has_list_tag = has_open_ul_tag || has_open_ol_tag;
+
+	CheckOpeningTag(tag, L"li", has_open_li_tag);
+	CheckOpeningTag(tag, L"ul", has_open_ul_tag);
+	CheckOpeningTag(tag, L"ol", has_open_ol_tag);
+
+	if( has_open_li_tag && !has_list_tag )
+	{
+		(*out_string) += L"<ul>\n";
+		has_open_ul_tag = true;
+	}
+}
+
+
+
+
+
+void BBCODEParser::PrintEscape(const wchar_t * start, const wchar_t * end, bool change_quote)
+{
+	for( ; start < end ; ++start)
+		PrintEscape(*start, change_quote);
+}
+
+
+
+void BBCODEParser::PrintEncode(const wchar_t * start, const wchar_t * end)
+{
+	for( ; start < end ; ++start)
+		PrintEncode(*start);
+}
+
+
+
+void BBCODEParser::PutOpeningTagFromEzc()
+{
+	// this can be a tag from Ezc templates system
+	(*out_string) += '[';
+	(*out_string) += LastItem().name;
+
+	const wchar_t * start = pchar;
+
+	while( *pchar && *pchar!=']' )
+		++pchar;
+
+	if( *pchar == ']' )
+		++pchar;
+
+	Put(start, pchar);
+}
+
+
+
+
+
+void BBCODEParser::PutHtmlArgument1(const wchar_t * arg_start, const wchar_t * arg_end, bool has_u)
+{
+	if( has_u )
+		PrintArgumentEncode(arg_start, arg_end);
+	else
+		PrintArgumentEscape(arg_start, arg_end);
+}
+
+
+
+void BBCODEParser::TrimWhiteWithNewLines(const wchar_t * & start, const wchar_t * & end)
+{
+	while( start < end && (IsWhite(*start) || *start==10) )
+		++start;
+
+	while( start < end && (IsWhite(*(end-1)) || *(end-1)==10) )
+		--end;
+}
+
+
+
+void BBCODEParser::PutHtmlArgument2(const Tags * tag, bool has_u)
+{
+const wchar_t * start = pchar;
+const wchar_t * end   = pchar;
+bool first_tag_removed = false;
+
+	while( *pchar != 0 )
+	{
+		if( IsOpeningTagMark() )
+		{
+			if( IsClosingTagForLastItem() )
+			{
+				// the last tag is skipped when using patterns with %2 or %u2
+
+				PopStack(); // removing opening tag from the stack
+				first_tag_removed = true;
+				break;
+			}
+		}
+		else
+		{
+			pchar += 1;
+			end = pchar;
+		}
+	}
+
+	if( !first_tag_removed )
+		PopStack(); // user has forgotten to close the tag
+
+	if( has_u )
+	{
+		TrimWhiteWithNewLines(start, end);
+		PrintEncode(start, end);
+	}
+	else
+	{
+		PrintEscape(start, end);
+	}
+}
+
+
+
+void BBCODEParser::PutHtmlArgument(const Tags * tag, const wchar_t * arg_start, const wchar_t * arg_end)
+{
+const wchar_t * pattern = tag->html_argument;
+bool has_u;
+
+	while( *pattern )
+	{
+		if( *pattern == '%' )
+		{
+			++pattern;
+			has_u = false;
+
+			if( *pattern == 'u' )
+			{
+				++pattern;
+				has_u = true;
+			}
+
+			if( *pattern == '1' )
+			{
+				++pattern;
+				PutHtmlArgument1(arg_start, arg_end, has_u);
+			}
+			else
+			if( *pattern == '2' )
+			{
+				++pattern;
+				PutHtmlArgument2(tag, has_u);
+			}
+			else
+			if( *pattern == '%' )
+			{
+				(*out_string) += '%';
+				++pattern;
+			}
+			// else unrecognized, will be printed next time as a normal character
+		}
+		else
+		{
+			(*out_string) += *pattern;
+			++pattern;
+		}
+	}
+}
+
+
+void BBCODEParser::PutOpeningTagFromBBCode(const Tags * tag)
+{
+	CheckOpeningTag(tag);
+	PutOpeningTagMark();
+	Put(tag->html_tag);
+
+	const wchar_t * start = pchar;
+
+	while( *pchar && *pchar != ']' )
+		++pchar;
+
+	PutHtmlArgument(tag, start, pchar);
+
+	if( *pchar == ']' )
+		++pchar;
+
+	if( !tag->inline_tag )
+	{
+		Put(10);
+		SkipWhiteLines();
+	}
+}
+
+
+bool BBCODEParser::PutOpeningTag()
+{
+	const Tags * tag = FindTag(LastItem().name);
+
+	if( !tag )
+		PutOpeningTagFromEzc();
+	else
+		PutOpeningTagFromBBCode(tag);
+
+return false;
+}
+
+
+void BBCODEParser::PutClosingTag(const Tags * tag)
+{
+	if( !tag )
+		return; // skipping the tag
+
+	PutOpeningTagMark();
+	(*out_string) += '/';
+	(*out_string) += tag->html_tag;
+	PutClosingTagMark();
+
+	if( !tag->inline_tag )
+	{
+		(*out_string) += L"\n";
+		SkipWhiteLines();
+	}
+
+	if( Equal(tag->html_tag, L"li") )
+		has_open_li_tag = false;
+
+	if( Equal(tag->html_tag, L"ol") )
+		has_open_ol_tag = false;
+
+	if( Equal(tag->html_tag, L"ul") )
+		has_open_ul_tag = false;
+}
+
+
+void BBCODEParser::PutClosingTag(const wchar_t * tag_name)
+{
+	const Tags * tag = FindTag(tag_name);
+	PutClosingTag(tag);
+}
+
+
+
+void BBCODEParser::Init()
+{
+	has_open_li_tag = false;
+	has_open_ol_tag = false;
+	has_open_ul_tag = false;
+
+	SkipWhiteLines();
+}
+
+
+void BBCODEParser::Uninit()
+{
+	if( has_open_li_tag )
+		(*out_string) += L"</li>\n";
+
+	if( has_open_ol_tag )
+		(*out_string) += L"</ol>\n";
+
+	if( has_open_ul_tag )
+		(*out_string) += L"</ul>\n";
+}
+
+
+
+} // namespace Winix
+

winixd/core/bbcodeparser.h

@@ -0,0 +1,125 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef headerfile_winix_core_bbcodeparser
+#define headerfile_winix_core_bbcodeparser
+
+#include "htmlfilter.h"
+
+
+namespace Winix
+{
+
+
+
+class BBCODEParser : public HTMLFilter
+{
+
+	struct Tags
+	{
+		const wchar_t * bbcode;
+		const wchar_t * html_tag;
+		const wchar_t * html_argument; // with closing '>'
+		bool inline_tag;
+	};
+
+
+	/*
+		virtual methods
+		(from HTMLFilter class)
+	*/
+	virtual void Init();
+	virtual void Uninit();
+
+	virtual bool IsOpeningTagMark();
+	virtual bool IsOpeningCommentaryTagMark();
+	virtual bool IsClosingTagMark();
+	virtual bool IsClosingXmlSimpleTagMark();
+
+	virtual bool IsValidCharForName(int c);
+	virtual void CheckExceptions();
+	virtual bool SkipCommentaryTagIfExists();
+
+	virtual bool PutOpeningTag();
+	virtual void PutClosingTag(const wchar_t * tag);
+
+	virtual void PutNormalText(const wchar_t * str, const wchar_t * end);
+	virtual void ReadNormalTextSkipWhite(const wchar_t * & start, const wchar_t * & last_non_white);
+
+
+
+	/*
+		others
+	*/
+	bool Equal(const wchar_t * str1, const wchar_t * str2);
+
+	void PutHtmlArgument1(const wchar_t * arg_start, const wchar_t * arg_end, bool has_u);
+	void PutHtmlArgument2(const Tags * tag, bool has_u);
+	void PutHtmlArgument(const Tags * tag, const wchar_t * arg_start, const wchar_t * arg_end);
+
+	void PutOpeningTagFromEzc();
+	void PutOpeningTagFromBBCode(const Tags * tag);
+
+	const Tags * FindTag(const wchar_t * tag);
+	const Tags * FindTag(const std::wstring & tag);
+	void PrintArgumentCheckQuotes(const wchar_t * & start, const wchar_t * & end);
+
+	void PrintEscape(int c, bool change_quote = false);
+	void PrintEncode(int c);
+
+	void PrintEscape(const wchar_t * start, const wchar_t * end, bool change_quote = false);
+	void PrintEncode(const wchar_t * start, const wchar_t * end);
+
+	void PrintArgumentEncode(const wchar_t * start, const wchar_t * end);
+	void PrintArgumentEscape(const wchar_t * start, const wchar_t * end);
+
+	void PutClosingTag(const Tags * tag);
+
+	void CheckOpeningTag(const Tags * tag, const wchar_t * tag_name, bool & condition);
+	void CheckOpeningTag(const Tags * tag);
+
+	void TrimWhiteWithNewLines(const wchar_t * & start, const wchar_t * & end);
+
+
+
+	bool has_open_ol_tag; // has open html <ol> tag
+	bool has_open_ul_tag; // has open html <ul> tag
+	bool has_open_li_tag; // has open html <li> tag
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/compress.cpp

@@ -0,0 +1,433 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "compress.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+
+Compress::Compress()
+{
+	buffer_in          = 0;
+	buffer_out         = 0;
+	buffer_max_len     = 65536; // 64KB
+	ready_for_compress = false;
+	compress_level     = 6;
+	raw_deflate_inited = false;
+	deflate_inited     = false;
+	gzip_inited        = false;
+}
+
+
+Compress::~Compress()
+{
+	delete [] buffer_in;
+	delete [] buffer_out;
+
+	if( raw_deflate_inited )
+		deflateEnd(&strm_raw_deflate);
+
+	if( deflate_inited )
+		deflateEnd(&strm_deflate);
+
+	if( gzip_inited )
+		deflateEnd(&strm_gzip);
+}
+
+
+bool Compress::AllocateMemory()
+{
+	if( buffer_in )
+		delete [] buffer_in;
+
+	if( buffer_out )
+		delete [] buffer_out;
+
+	buffer_in  = 0;
+	buffer_out = 0;
+	
+	try 
+	{
+		buffer_in  = new char[buffer_max_len];
+		buffer_out = new char[buffer_max_len];
+	}
+	catch(const std::bad_alloc &)
+	{
+		log << log1 << "Compress: can't allocate memory" << logend;
+		return false;	
+	}
+	
+return true;
+}
+
+
+
+bool Compress::InitRawDeflate()
+{
+	raw_deflate_inited = false;
+
+	strm_raw_deflate.next_in = 0;
+	strm_raw_deflate.zalloc  = Z_NULL;
+	strm_raw_deflate.zfree   = Z_NULL;
+	strm_raw_deflate.opaque  = Z_NULL;
+	
+	int ret = deflateInit2(&strm_raw_deflate, compress_level, Z_DEFLATED, -15, 8, Z_DEFAULT_STRATEGY);
+
+	if( ret != Z_OK )
+		log << log1 << "Compress: problem with deflateInit2() for raw deflate" << logend;
+	else
+		raw_deflate_inited = true;
+
+return ret == Z_OK;
+}
+
+
+bool Compress::InitDeflate()
+{
+	deflate_inited = false;
+
+	strm_deflate.next_in = 0;
+	strm_deflate.zalloc  = Z_NULL;
+	strm_deflate.zfree   = Z_NULL;
+	strm_deflate.opaque  = Z_NULL;
+	
+	int ret = deflateInit2(&strm_deflate, compress_level, Z_DEFLATED, 15, 8, Z_DEFAULT_STRATEGY);
+
+	if( ret != Z_OK )
+		log << log1 << "Compress: problem with deflateInit2() for deflate" << logend;
+	else
+		deflate_inited = true;
+
+return ret == Z_OK;
+}
+
+
+bool Compress::InitGzip()
+{
+	gzip_inited = false;
+
+	strm_gzip.next_in = 0;
+	strm_gzip.zalloc  = Z_NULL;
+	strm_gzip.zfree   = Z_NULL;
+	strm_gzip.opaque  = Z_NULL;
+	
+	int ret = deflateInit2(&strm_gzip, compress_level, Z_DEFLATED, 15 + 16, 8, Z_DEFAULT_STRATEGY);
+
+	if( ret != Z_OK )
+		log << log1 << "Compress: problem with deflateInit2() for gzip" << logend;
+	else
+		gzip_inited = true;
+
+return ret == Z_OK;
+}
+
+
+
+/*
+	return:
+	0   - ok
+	1   - can't allocate memory
+	100 - unknown error
+*/
+int Compress::Init(int compress_level_)
+{
+	compress_level = compress_level_;
+
+	if( !AllocateMemory() )
+		return 1;
+
+	if( InitRawDeflate() && InitDeflate() && InitGzip() )
+		ready_for_compress = true;
+	else
+		return 100;
+
+return 0;
+}
+
+
+
+
+
+int Compress::MakeCompress(z_stream & strm, const char * source, size_t source_len, BinaryPage & out_stream, int encoding)
+{
+int ret, flush;
+size_t have;
+
+	do
+	{
+		strm.avail_in = (source_len > buffer_max_len) ? buffer_max_len : source_len;
+		source_len   -= strm.avail_in;
+		flush         = (source_len == 0) ? Z_FINISH : Z_NO_FLUSH;
+		strm.next_in  = (Bytef*)source;
+		source       += strm.avail_in;
+		
+		do
+		{
+			strm.avail_out = buffer_max_len;
+			strm.next_out  = (Bytef*)buffer_out;
+			ret = deflate(&strm, flush);
+
+			if( ret == Z_STREAM_ERROR || ret == Z_BUF_ERROR )
+			{
+				log << log1 << "Compress: problem with deflate()" << logend;
+				return 2;
+			}
+
+			have = buffer_max_len - strm.avail_out;
+			last_out_size += have;
+			out_stream.write(buffer_out, have);
+		}
+		while( strm.avail_out == 0 );
+
+		if( strm.avail_in != 0 )
+		{
+			log << log1 << "Compress: problem with deflate() - not all input is used" << logend;
+			return 2;
+		}
+	}
+	while( flush != Z_FINISH );
+
+
+	if( ret != Z_STREAM_END )
+	{
+		log << log1 << "Compress: problem with deflate() - stream not complete" << logend;
+		return 2;
+	}
+
+return 0;
+}
+
+
+
+void Compress::CopyToInputBuffer(BinaryPage::const_iterator & i, size_t len)
+{
+	for(size_t a=0 ; a<len ; ++a, ++i)
+		buffer_in[a] = *i;
+}
+
+
+
+// new way
+int Compress::MakeCompress(z_stream & strm, const BinaryPage & page, BinaryPage & out, int encoding)
+{
+int ret, flush;
+size_t have;
+BinaryPage::const_iterator i = page.begin();
+
+	size_t source_len = page.size();
+
+	do
+	{
+		strm.avail_in = (source_len > buffer_max_len) ? buffer_max_len : source_len;
+		source_len   -= strm.avail_in;
+		flush         = (source_len == 0) ? Z_FINISH : Z_NO_FLUSH;
+		strm.next_in  = (Bytef*)buffer_in;
+		CopyToInputBuffer(i, strm.avail_in);
+
+		do
+		{
+			strm.avail_out = buffer_max_len;
+			strm.next_out  = (Bytef*)buffer_out;
+			ret = deflate(&strm, flush);
+			
+			if( ret == Z_STREAM_ERROR || ret == Z_BUF_ERROR )
+			{
+				log << log1 << "Compress: problem with deflate()" << logend;
+				return 2;
+			}
+			
+			have = buffer_max_len - strm.avail_out;
+			last_out_size += have;
+			out.write(buffer_out, have);
+		}
+		while( strm.avail_out == 0 );
+		
+		if( strm.avail_in != 0 )
+		{
+			log << log1 << "Compress: problem with deflate() - not all input is used" << logend;
+			return 2;
+		}
+	}
+	while( flush != Z_FINISH );
+	
+	
+	if( ret != Z_STREAM_END )
+	{
+		log << log1 << "Compress: problem with deflate() - stream not complete" << logend;
+		return 2;
+	}
+		
+return 0;
+}
+
+
+
+z_stream * Compress::SelectStream(int encoding)
+{
+z_stream * pstrm;
+
+	if( encoding == 0 )
+		pstrm = &strm_raw_deflate;
+	else
+	if( encoding == 1 )
+		pstrm = &strm_deflate;
+	else
+		pstrm = &strm_gzip;
+
+return pstrm;
+}
+
+
+void Compress::ResetStream(z_stream * pstrm, int encoding)
+{
+	if( deflateReset(pstrm) != Z_OK )
+	{
+		log << log1 << "Compress: problem with deflateReset()" << logend;
+		
+		deflateEnd(pstrm);
+
+		if( encoding == 0 )
+			InitRawDeflate();
+		else
+		if( encoding == 1 )
+			InitDeflate();
+		else
+			InitGzip();
+	}
+}
+
+
+void Compress::PutLog(size_t source_len, int encoding)
+{
+	double ratio = 100.0 - (double(last_out_size) / double(source_len) * 100.0);
+	char buffer[30];
+	sprintf(buffer, "%.1f", ratio);
+	
+	log << log2 << "Compress: ";
+	
+	if( encoding == 0 )
+		log << "raw deflate";
+	else
+	if( encoding == 1 )
+		log << "deflate";
+	else
+		log << "gzip";
+	
+	log << ", original size: " << source_len << ", size after compressing: "
+		<< (int)last_out_size << ", ratio: " << buffer << "%" << logend;
+}
+
+
+
+/*
+	return:
+	0 - ok;
+	1 - can't allocate memory
+	2 - error during compressing
+	3 - not inited (use Init() first)
+	100 - unknown
+*/
+int Compress::Compressing(const char * source, size_t source_len, BinaryPage & out_stream, int encoding)
+{
+int ret;
+z_stream * pstrm;
+
+	last_out_size = 0;
+	out_stream.clear();
+	
+	if( !ready_for_compress )
+	{
+		log << log1 << "Compress: not ready yet" << logend;
+		return 3;
+	}
+	
+	// !! CHECK ME
+	// it is correct to immediately return? what about headers in the compressed page?
+	if( source_len == 0 )
+		return 0;
+
+	pstrm = SelectStream(encoding);
+	ret   = MakeCompress(*pstrm, source, source_len, out_stream, encoding);
+	ResetStream(pstrm, encoding);
+	PutLog(source_len, encoding);
+	
+return ret;
+}
+
+
+
+/*
+	return:
+	0 - ok;
+	1 - can't allocate memory
+	2 - error during compressing
+	3 - not inited (use Init() first)
+	100 - unknown
+*/
+int Compress::Compressing(const BinaryPage & in, BinaryPage & out, int encoding)
+{
+int ret;
+z_stream * pstrm;
+
+	last_out_size = 0;
+	out.clear();
+
+	if( !ready_for_compress )
+	{
+		log << log1 << "Compress: not ready yet" << logend;
+		return 3;
+	}
+
+	// !! CHECK ME
+	// it is correct to immediately return? what about headers in the compressed page?
+	if( in.empty() )
+		return 0;
+
+	pstrm = SelectStream(encoding);
+	ret   = MakeCompress(*pstrm, in, out, encoding);
+	ResetStream(pstrm, encoding);
+	PutLog(in.size(), encoding);
+
+return ret;
+}
+
+
+
+} // namespace Winix
+

winixd/core/compress.h

@@ -0,0 +1,101 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_compress
+#define headerfile_winix_core_compress
+
+#include <cstring>
+#include <zlib.h>
+#include "requesttypes.h"
+
+
+namespace Winix
+{
+
+
+
+class Compress
+{
+
+public:
+
+	Compress();
+	~Compress();
+
+	int Init(int compress_level_ = 6);
+
+	/*
+		encoding:
+		0 - raw deflate data with no zlib header or trailer, and will not compute an adler32 check value
+		    (for Internet Explorer)
+		1 - deflate
+		2 - gzip
+	*/
+	int Compressing(const char * source, size_t source_len, BinaryPage & out_stream, int encoding = 2);
+	int Compressing(const BinaryPage & in, BinaryPage & out, int encoding = 2);
+
+
+private:
+
+	bool AllocateMemory();
+	bool InitRawDeflate();
+	bool InitDeflate();
+	bool InitGzip();
+
+	int MakeCompress(z_stream & strm, const char * source, size_t source_len, BinaryPage & out_stream, int encoding);
+	int MakeCompress(z_stream & strm, const BinaryPage & page, BinaryPage & out, int encoding);
+	z_stream * SelectStream(int encoding);
+	void ResetStream(z_stream * pstrm, int encoding);
+	void PutLog(size_t source_len, int encoding);
+	void CopyToInputBuffer(BinaryPage::const_iterator & i, size_t len);
+
+	int compress_level;
+	size_t buffer_max_len;
+
+	// size of the last compressed page
+	size_t last_out_size;
+
+	char * buffer_in;
+	char * buffer_out;
+	z_stream strm_raw_deflate, strm_deflate, strm_gzip;
+	bool raw_deflate_inited, deflate_inited, gzip_inited;
+	bool ready_for_compress;
+
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/config.cpp

@@ -0,0 +1,511 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2015, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "config.h"
+#include "log.h"
+#include "plugin.h"
+#include "misc.h"
+#include "crypt.h"
+
+
+namespace Winix
+{
+
+
+
+Config::Config()
+{
+	errors_to_stdout = true;
+}
+
+
+
+//!! czy tu w ogole mozemy uzywac log << ?
+//!! przeciez jeszcze nie zostal przetworzony plik konfiguracyjny
+
+
+void Config::ShowError()
+{
+	
+	switch( parser.status )
+	{
+		case PT::SpaceParser::no_space:
+			log << log2 << "Config: space not set" << logend;
+			break;
+
+		case PT::SpaceParser::ok:
+			log << log2 << "Config: syntax ok" << logend;
+			break;
+		
+		case PT::SpaceParser::cant_open_file:
+			if( errors_to_stdout )
+				std::wcout << L"Config: I cannot open a config file: " << config_file << std::endl;
+			
+			log	<< log1 << "Config: cant open a config file: " << config_file << logend;
+			break;
+
+		case PT::SpaceParser::syntax_error:
+			if( errors_to_stdout )
+				std::wcout << "Config: syntax error, line: " << parser.line << std::endl;
+			
+			log << log1 << "Config: syntax error, line: " << parser.line << logend;
+			break;
+	}
+}
+
+
+
+
+
+
+bool Config::ReadConfig(bool errors_to_stdout_, bool stdout_is_closed)
+{
+	errors_to_stdout = errors_to_stdout_;
+	
+	if( config_file.empty() )
+	{
+		log << log2 << "Config: name of the config file is empty" << logend;
+		return false;	
+	}
+
+	log << log2 << "Config: reading a config file" << logend;
+
+	parser.SplitSingle(true);
+	parser.SetSpace(space);
+
+	PT::SpaceParser::Status status = parser.Parse(config_file);
+
+	if( status == PT::SpaceParser::ok )
+	{
+		AssignValues(stdout_is_closed);
+		SetAdditionalVariables();
+		return true;
+	}
+	else
+	{
+		ShowError();
+		return false;
+	}
+}
+
+
+
+
+void Config::AssignValues(bool stdout_is_closed)
+{
+	server_mode				= Text(L"server_mode");
+	demonize 				= Bool(L"demonize", true);
+
+	user  					= Text(L"user");
+	group 					= Text(L"group");
+	additional_groups		= Bool(L"additional_groups", true);
+
+	log_file				= Text(L"log_file");
+	log_notify_file			= Text(L"log_notify_file");
+	log_delimiter			= Text(L"log_delimiter", L"---------------------------------------------------------------------------------");
+	fcgi_socket				= Text(L"fcgi_socket");
+	fcgi_socket_chmod 		= Int(L"fcgi_socket_chmod", 0770);
+	fcgi_socket_user  		= Text(L"fcgi_socket_user");
+	fcgi_socket_group 		= Text(L"fcgi_socket_group");
+	fcgi_socket_listen		= Int(L"fcgi_socket_listen", 100);
+	log_level				= Int(L"log_level", 1);
+	log_request				= Int(L"log_request", 1);
+	log_save_each_line 		= Bool(L"log_save_each_line", false);
+	log_time_zone_id		= Size(L"log_time_zone_id", 34);
+	log_server_answer		= Bool(L"log_server_answer", false);
+	log_stdout				= Bool(L"log_stdout", false);
+	log_db_query			= Bool(L"log_db_query", false);
+	log_plugin_call			= Bool(L"log_plugin_call", false);
+	log_post_value_size 	= Size(L"log_post_value_size", 80);
+	log_env_variables		= Bool(L"log_env_variables", false);
+	log_http_answer_headers = Bool(L"log_http_answer_headers", false);
+
+	post_file_max			= Size(L"post_file_max", 8388608); // 8 MB
+
+	upload_dir				= Text(L"upload_dir");
+	common_dir				= Text(L"common_dir");
+	NoLastSlash(upload_dir);
+	NoLastSlash(common_dir);
+
+	upload_group			= Text(L"upload_group");
+	upload_dirs_chmod		= Int(L"upload_dirs_chmod", 0750);
+	upload_files_chmod		= Int(L"upload_files_chmod", 0640);
+	ListText(L"static_dirs", static_dirs);
+	dont_use_static_dirs 	= Bool(L"dont_use_static_dirs", false);
+	create_thumb			= Bool(L"create_thumb", true);
+	thumb_mode				= Int(L"thumb_mode", 2);
+	thumb_cx				= Size(L"thumb_cx", 150);
+	thumb_cy				= Size(L"thumb_cy", 150);
+	thumb_quality			= Int(L"thumb_quality", 92);
+	image_resize			= Bool(L"image_resize", true);
+	image_mode				= Int(L"image_mode", 6);
+	image_cx				= Size(L"image_cx", 1000);
+	image_cy				= Size(L"image_cy", 800);
+	image_quality			= Int(L"image_quality", 92);
+	convert_cmd				= Text(L"convert_cmd", L"/usr/local/bin/convert");
+
+	templates_dir			= Text(L"templates_dir");
+	templates_dir_default	= Text(L"templates_dir_default");
+	txt_templates_dir		= Text(L"txt_templates_dir");
+	txt_templates_dir_default = Text(L"txt_templates_dir_default");
+	templates_fun_prefix	= Text(L"templates_fun_prefix", L"fun_");
+	templates_fun_postfix	= Text(L"templates_fun_postfix", L".html");
+	templates_index			= Text(L"templates_index", L"index.html");
+	template_only_root_use_template_fun = Bool(L"template_only_root_use_template_fun", false);
+
+	http_session_id_name	= Text(L"http_session_id_name", L"session_id");
+	db_database				= Text(L"db_database");
+	db_user					= Text(L"db_user");
+	db_pass					= Text(L"db_pass");
+	item_url_empty			= Text(L"item_url_empty");
+
+	url_proto				= Text(L"url_proto", L"http://");
+	url_ssl_proto			= Text(L"url_ssl_proto", L"https://");
+
+	use_ssl					= Bool(L"use_ssl", false);
+	use_ssl_static			= Bool(L"use_ssl_static", false);
+	use_ssl_common			= Bool(L"use_ssl_common", false);
+	use_ssl_only_for_logged_users = Bool(L"use_ssl_only_for_logged_users", true);
+	use_ssl_redirect_code	= Int(L"use_ssl_redirect_code", 303);
+
+	base_url				= Text(L"base_url");
+	base_url_static			= Text(L"base_url_static");
+	base_url_common			= Text(L"base_url_common");
+
+	base_url_redirect		= Bool(L"base_url_redirect", false);
+	base_url_redirect_code	= Int(L"base_url_redirect_code", 301);
+
+	NoLastSlash(base_url);
+	NoLastSlash(base_url_static);
+	NoLastSlash(base_url_common);
+
+	priv_no_user			= Text(L"priv_no_user", L"-- no user --");
+	priv_no_group			= Text(L"priv_no_group", L"-- no group --");
+	
+	session_max_idle		= Int(L"session_max_idle", 10800); // 3h
+	session_remember_max_idle = Int(L"session_remember_max_idle", 16070400); // 3 months
+	session_file			= Text(L"session_file");
+	session_max				= Size(L"session_max", 1000000);
+	session_cookie_encode	= Bool(L"session_cookie_encode", false);
+	session_keys_file		= Text(L"session_keys_file");
+	session_allow_index_difference 	= Size(L"session_allow_index_difference", 8);
+	session_index_time_increment 	= Long(L"session_index_time_increment", 30);
+	session_key_renew_time			= Size(L"session_key_renew_time", 172800); // 2 days
+	broken_encoded_cookie_treshold	= Size(L"broken_encoded_cookie_treshold", 2);
+	session_hijacking_treshold		= Size(L"session_hijacking_treshold", 128);
+	no_session_cookie_treshold		= Size(L"no_session_cookie_treshold", 128);
+	no_session_cookie_ban_mode		= Int(L"no_session_cookie_ban_mode", 0);
+
+	compression				= Bool(L"compression", true);
+	compression_page_min_size = Size(L"compression_page_min_size", 512);
+	compression_encoding	= Int(L"compression_encoding", 20);
+
+	html_filter				= Bool(L"html_filter", true);
+	html_filter_trim_white	= Bool(L"html_filter_trim_white", true);
+	html_filter_break_word	= Int(L"html_filter_break_word", 60);
+	html_filter_wrap_line	= Int(L"html_filter_wrap_line", 110);
+	html_filter_tabs		= Size(L"html_filter_tabs", 2);
+	html_filter_orphans		= Bool(L"html_filter_orphans", true);
+	html_filter_orphans_mode_str = Text(L"html_filter_orphans_mode_str", L"nbsp");
+	html_filter_nofilter_tag     = Text(L"html_filter_nofilter_tag", L"nofilter");
+
+	locale_dir				= Text(L"locale_dir");
+	locale_dir_default		= Text(L"locale_dir_default");
+	locale_max_id			= Size(L"locale_max_id", 100);
+	locale_default_id		= Size(L"locale_default_id", 0);
+	ListText(L"locale_files", locale_files);
+
+	title_separator			= Text(L"title_separator", L" / ");
+
+	http_header_send_file 	= Text(L"http_header_send_file", L"X-LIGHTTPD-send-file");
+
+	editors_html_safe_mode 	= Bool(L"editors_html_safe_mode", true);
+	editors_html_safe_mode_skip_root = Bool(L"editors_html_safe_mode_skip_root", true);
+
+	plugins_dir 			= Text(L"plugins_dir", L"/usr/local/winix/plugins");
+	NoLastSlash(plugins_dir);
+	ListText(L"plugins", plugin_file);
+
+	symlinks_follow_max 	= Size(L"symlinks_follow_max", 20);
+
+	ticket_form_prefix 		= Text(L"ticket_form_prefix", L"ticketparam");
+
+	pass_min_size			= Size(L"pass_min_size", 5);
+	pass_type				= Int(L"pass_type", 12);
+	pass_hash_use_salt		= Bool(L"pass_hash_use_salt", false);
+	pass_hash_salt			= Text(L"pass_hash_salt");
+	pass_use_rsa			= Bool(L"pass_use_rsa", false);
+	pass_rsa_private_key	= Text(L"pass_rsa_private_key");
+
+	opensll_path 			= Text(L"opensll_path", L"/usr/bin/openssl");
+
+	pattern_cacher_when_delete     = Size(L"pattern_cacher_when_delete", 130);
+	pattern_cacher_how_many_delete = Size(L"pattern_cacher_how_many_delete", 30);
+
+	content_type_header 	= Int(L"content_type_header", 0);
+	umask 					= Int(L"umask", 0222);
+
+	ezc_max_elements		= Size(L"ezc_max_elements", 50000);
+	ezc_max_loop_elements 	= Size(L"ezc_max_loop_elements", 5000);
+	ezc_out_streams_size	= Size(L"ezc_out_streams_size", 128);
+	ezc_error_prefix		= Text(L"ezc_error_prefix", L"<!-- ");
+	ezc_error_postfix		= Text(L"ezc_error_postfix", L" -->");
+
+	account_need_email_verification     = Bool(L"account_need_email_verification", true);
+	reset_password_code_expiration_time = Long(L"reset_password_code_expiration_time", 86400);
+
+	time_zone_default_id	= Size(L"time_zone_default_id", 34);
+	time_zone_max_id		= Size(L"time_zone_max_id", 130);
+
+	etc_dir					= Text(L"etc_dir", L"");
+	time_zones_file 		= Text(L"time_zones_file", L"time_zones.conf");
+
+	use_ban_list			= Bool(L"use_ban_list", true);
+	ban_list_soft_max_size	= Size(L"ban_list_soft_max_size", 50000);
+	ban_list_max_size		= Size(L"ban_list_max_size", 51000);
+	ban_level_1_delay		= Size(L"ban_level_1_delay", 1800);
+	ban_level_2_delay		= Size(L"ban_level_2_delay", 86400);
+	ban_level_3_delay		= Size(L"ban_level_3_delay", 604800);
+
+	incorrect_login_min_time_between_get_post	= Size(L"incorrect_login_min_time_between_get_post", 2);
+	incorrect_login_captcha_treshold			= Size(L"incorrect_login_captcha_treshold", 3);
+	incorrect_login_cannot_login_mode			= Int(L"incorrect_login_cannot_login_mode", 0);
+	incorrect_login_cannot_login_treshold		= Size(L"incorrect_login_cannot_login_treshold", 20);
+	incorrect_login_cannot_login_delay			= Size(L"incorrect_login_cannot_login_delay", 1800);
+
+	pid_file				= Text(L"pid_file", L"");
+	allow_ezc_out_in_executable_items = Bool(L"allow_ezc_out_in_executable_items", false);
+}
+
+
+
+
+
+void Config::SetAdditionalVariables()
+{
+	if( html_filter_orphans_mode_str == L"160" )
+		html_filter_orphans_mode = HTMLFilter::orphan_160space;
+	else
+		html_filter_orphans_mode = HTMLFilter::orphan_nbsp;
+
+	for(size_t i=0 ; i<static_dirs.size() ; ++i)
+		NoLastSlash(static_dirs[i]);
+
+	CheckPasswd();
+
+	if( content_type_header < 0 || content_type_header > 2 )
+		content_type_header = 0;
+
+	if( locale_default_id > locale_max_id )
+		locale_default_id = locale_max_id;
+
+	if( locale_files.empty() )
+		locale_files.push_back(L"en");
+
+	if( !upload_group.empty() )
+		upload_group_int = GetGroupId(upload_group);
+	else
+		upload_group_int = -1;
+
+	if( session_cookie_encode && session_keys_file.empty() )
+		session_cookie_encode = false;
+
+	if( session_index_time_increment < 0 )
+		session_index_time_increment = 0;
+}
+
+
+
+
+
+void Config::CheckPasswd()
+{
+	switch(pass_type)
+	{
+		case WINIX_CRYPT_HASH_NONE:
+		case WINIX_CRYPT_HASH_MD4:
+		case WINIX_CRYPT_HASH_MD5:
+		case WINIX_CRYPT_HASH_SHA1:
+		case WINIX_CRYPT_HASH_SHA224:
+		case WINIX_CRYPT_HASH_SHA256:
+		case WINIX_CRYPT_HASH_SHA384:
+		case WINIX_CRYPT_HASH_SHA512:
+		break;
+
+		default:
+		pass_type = WINIX_CRYPT_HASH_SHA256;
+	}
+}
+
+
+
+
+std::wstring & Config::Text(const wchar_t * name)
+{
+	return space.Text(name);
+}
+
+
+std::wstring & Config::Text(const wchar_t * name, const wchar_t * def)
+{
+	return space.Text(name, def);
+}
+
+
+std::wstring & Config::Text(const std::wstring & name, const wchar_t * def)
+{
+	return space.Text(name, def);
+}
+
+
+int Config::Int(const wchar_t * name)
+{
+	return space.Int(name);
+}
+
+
+int Config::Int(const wchar_t * name, int def)
+{
+	return space.Int(name, def);
+}
+
+
+int Config::Int(const std::wstring & name, int def)
+{
+	return space.Int(name, def);
+}
+
+
+long Config::Long(const wchar_t * name)
+{
+	return space.Long(name);
+}
+
+long Config::Long(const wchar_t * name, long def)
+{
+	return space.Long(name, def);
+}
+
+long Config::Long(const std::wstring & name, long def)
+{
+	return space.Long(name, def);
+}
+
+
+
+size_t Config::Size(const wchar_t * name)
+{
+	return space.Size(name);
+}
+
+
+size_t Config::Size(const wchar_t * name, size_t def)
+{
+	return space.Size(name, def);
+}
+
+
+size_t Config::Size(const std::wstring & name, size_t def)
+{
+	return space.Size(name, def);
+}
+
+
+bool Config::Bool(const wchar_t * name)
+{
+	return space.Bool(name);
+}
+
+
+bool Config::Bool(const wchar_t * name, bool def)
+{
+	return space.Bool(name, def);
+}
+
+
+bool Config::Bool(const std::wstring & name, bool def)
+{
+	return space.Bool(name, def);
+}
+
+
+
+bool Config::ListText(const wchar_t * name, std::vector<std::wstring> & list)
+{
+	return space.ListText(name, list);
+}
+
+
+bool Config::ListText(const std::wstring & name, std::vector<std::wstring> & list)
+{
+	return space.ListText(name, list);
+}
+
+
+
+bool Config::HasValue(const wchar_t * name, const wchar_t * value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const wchar_t * name, const std::wstring & value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const std::wstring & name, const wchar_t * value)
+{
+	return space.HasValue(name, value);
+}
+
+bool Config::HasValue(const std::wstring & name, const std::wstring & value)
+{
+	return space.HasValue(name, value);
+}
+
+
+void Config::Print(std::wostream & out)
+{
+	space.Serialize(out);
+}
+
+
+
+
+
+} // namespace Winix
+
+
+
+

winixd/core/config.h

@@ -0,0 +1,793 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2015, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_config
+#define headerfile_winix_core_config
+
+#include <string>
+#include "space/spaceparser.h"
+#include "htmlfilter.h"
+
+
+namespace Winix
+{
+
+
+
+
+
+class Config
+{
+public:
+
+	// name of the config file
+	// this is the parameter passed to winix programm
+	std::wstring config_file;
+
+	// server mode
+	// you can assign any string to it such as "production" "dev"
+	// this value is not used by winix itself
+	// you can refer to it from [server_mode] and [server_mode_is] ezc functions
+	std::wstring server_mode;
+
+
+	// start as a demon (in the background)
+	// default: true
+	bool demonize;
+
+	// system user's name to whom winix should drop privileges
+	// used only if winix is started as the root
+	std::wstring user;
+
+	// system group's name to which drop privileges
+	// used only if winix is started as the root
+	std::wstring group;
+
+	// setting additional effective groups from /etc/group
+	// by using initgroups()
+	// used only if winix is started as the root
+	// default: true
+	bool additional_groups;
+
+	// log file name, log file name for notifications (sending emails, etc)
+	std::wstring log_file, log_notify_file;
+	
+	// the log level (how much info should be inserted to logs)
+	// 1 - minimum
+	// 2 - (default)
+	// 3 - maximum - all logs
+	int log_level;
+
+	// logging to stdout too
+	// this option is valid only if 'demonize' option is set to 'false'
+	// default: false
+	bool log_stdout;
+
+	// how many requests should be saved in the same time
+	// if you have a very busy server you can incrase this value
+	// default: 1
+	int log_request;
+
+	// whether to save each line of the config (used for debugging purposes)
+	// default: false
+	bool log_save_each_line;
+
+	// time zone identifier used in log messages
+	// this affects only the first line of logs (where there is IP address, request method etc)
+	// see time_zone_default_id below for more info
+	// default: 34 (Coordinated Universal Time UTC+00:00)
+	size_t log_time_zone_id;
+
+	// put to log what server is sending back to the client (html/json etc)
+	// default: false
+	bool log_server_answer;
+
+	// logging db queries
+	// warning: use it only on a developer's server as it logs the hashes of passwords too
+	// default: false
+	bool log_db_query;
+
+	// logging when a plugin function is called
+	// default: false
+	bool log_plugin_call;
+
+	// how many characters in values should be logged from POST parameters
+	// default: 80
+	// set to 0 to turn it off
+	size_t log_post_value_size;
+
+	// request delimiter in the log file, default "---------"
+	std::wstring log_delimiter;
+
+	// log environment variables (fastcgi environment)
+	bool log_env_variables;
+
+	// log headers (+cookies) which are returned to the client
+	// this is what winix has generated -- the web server can change or add other headers
+	// default: false
+	bool log_http_answer_headers;
+
+	// fast cgi: socket (unix domain)
+	std::wstring fcgi_socket;
+
+	// fast cgi: socket permissions
+	// chmod and chown of the socket are set before winix drops privileges
+	int fcgi_socket_chmod;
+
+	// fast cgi: owner of the socket
+	// chmod and chown of the socket are set before winix drops privileges
+	std::wstring fcgi_socket_user;
+	
+	// fast cgi: group of the socket
+	// chmod and chown of the socket are set before winix drops privileges
+	std::wstring fcgi_socket_group;
+
+	// fcgi_socket_listen is the listen queue depth used in the listen() call
+	// when creating a FastCGI socket for the web server
+	// default: 100
+	int fcgi_socket_listen;
+
+	std::wstring templates_dir;
+	std::wstring templates_dir_default; // html templates from winix
+
+	std::wstring txt_templates_dir;
+	std::wstring txt_templates_dir_default; // txt (notifications) templates from winix
+
+	// prefix and postfix for functions templates
+	// default: 
+	// prefix:  "fun_"
+	// postfix: ".html"
+	std::wstring templates_fun_prefix;
+	std::wstring templates_fun_postfix;
+
+	// main html template
+	// default: index.html
+	std::wstring templates_index;
+
+	// if true then only root can use 'template' winix function
+	// default: false
+	bool template_only_root_use_template_fun;
+
+	// the database name, user name and a password for the PostgreSQL database
+	std::wstring db_database;
+	std::wstring db_user;
+	std::wstring db_pass;
+
+	// the name of the cookie which has the session identifier
+	std::wstring http_session_id_name;
+
+	// string used in a place where is a user (or group) selected
+	// !! IMPROVE ME should be moved to locales
+	std::wstring priv_no_user;
+	std::wstring priv_no_group;
+
+	// time in seconds when a user will be automatically logged out (iddle time)
+	// default: 10800 = 3 hours
+	int session_max_idle;
+	
+	// time in seconds when a user will be automatically logged out
+	// when he has selected the 'remember me' option when logging in
+	// this time is usually greater than session_max_idle
+	// default: 16070400 = 3 months
+	int session_remember_max_idle;
+
+	// a file to which winix stores sessions info
+	// it is used when winix starts (boots) and quits
+	std::wstring session_file;
+
+	// how many sessions can be (zero turn off this checking)
+	// default: 1000000 (one milion)
+	size_t session_max;
+
+	// whether or not we should encode the session cookie
+	// (we have a special algorithm)
+	// default: false
+	bool session_cookie_encode;
+
+	// if session_cookie_encode is true then you should provide
+	// a file where AES keys will be stored
+	std::wstring session_keys_file;
+
+	// each session has an index -- an unsigned int value
+	// this value is sent in the cookie string (is encoded)
+	// and is incremented when session_index_time_increment time is passed since the last incrementing
+	// if a client sent the cookie back the difference between
+	// current index and the index in the cookie should be less than or equal to session_allow_index_difference
+	// default: 8
+	size_t session_allow_index_difference;
+
+	// the time which should pass after the session index is incremented
+	// default: 30
+	// (session_allow_index_difference + 1) * session_index_time_increment should be less than a time
+	// load of a page and all elements on it such as images (of course it depends on client's download too)
+	time_t session_index_time_increment;
+
+	// time in seconds after a new AES key pair should be generated
+	// we have 256 pairs of keys so this time multiplied by 256 should not be less than
+	// the max time of a session (session_remember_max_idle),
+	// by default: 256 * 2 days = 512 days = 1.4 year > 3 months (session_remember_max_idle)
+	// default: 172800 = 2 days (max: 2678400 = 1 month, min: 10)
+	size_t session_key_renew_time;
+
+ 	// after how many broken encoded cookie we should ban the current IP
+ 	// default: 2 (value in the range <0 - 65535>)
+ 	size_t broken_encoded_cookie_treshold;
+
+ 	// after how many incorrect session identifiers (or session indices) we should ban the current IP
+ 	// do not set this value too low, as people connecting from the same IP address (from behind a NAT)
+ 	// would be banned if they have an old session cookie remembered in the browser
+ 	// default: 128 (value in the range <0 - 65535>)
+ 	size_t session_hijacking_treshold;
+
+ 	// after how many times a client will be banned if it did not send a session cookie
+ 	// this can be a bot such as a Google Bot or just people connecting from a NAT and all have the same IP
+ 	// default: 128 (value in the range <0 - 65535>)
+ 	size_t no_session_cookie_treshold;
+
+ 	// the way we behave when no_session_cookie_treshold limit is exceeded
+ 	// 0 - if a client doesn't send a session cookie again then use a temporary session
+ 	//     (other sessions from this IP address are not affected)
+ 	// 1 - add this IP address to ban list and create a temporary session
+ 	//     (this will block other sessions from this IP address too)
+ 	// default: 0
+ 	int no_session_cookie_ban_mode;
+
+	// allow the winix output to be compressed
+	// default: true
+	bool compression;
+
+	// compress only if the output is greater or equal to this value
+	// default: 512 bytes
+	size_t compression_page_min_size;
+
+	// 1  - use deflate if available (or raw deflate for Internet Explorer) or don't compress
+	// 2  - use gzip if available or don't compress
+	// 10 - prefer deflate -- use deflate (or raw deflate for IE) if both deflate and gzip are available
+	// 20 - prefer gzip    -- use gzip if both deflate and gzip are available
+	// default: 20
+	int compression_encoding;
+	
+	// plugins directory
+	// default: /usr/local/winix/plugins
+	std::wstring plugins_dir;
+
+	// plugins
+	// you can provide either a relative path (plugins_dir will be used) 
+	// or a full path to a plugin
+	std::vector<std::wstring> plugin_file;
+
+	// should the html code be cleaned by the html filter
+	bool html_filter;
+
+	// should white characters be trimmed
+	bool html_filter_trim_white;
+
+	// when long words should be broken (a space will be inserted)
+	// default: after 60 non white characters there will be put a space
+	// set zero to turn off
+	size_t html_filter_break_word;
+
+	// when long lines should be broken (a new line character will be inserted)
+	// default: 110
+	// set zero to turn off
+	size_t html_filter_wrap_line;
+
+	// how many spaces will be put at one tree level
+	// default: 2
+	size_t html_filter_tabs;
+
+	// use checking for 'orphans' for a specicic language
+	// default: true
+	bool html_filter_orphans;
+
+	// orphans mode
+	// either: "nbsp" or "160"
+	// default: "nbsp"
+	std::wstring html_filter_orphans_mode_str;
+	HTMLFilter::OrphanMode html_filter_orphans_mode;
+
+	// the html nofilter tag
+	// content betweeng these tags (opening and closing) will not be filtered
+	// and this tag will not be included in the html output
+	// default: nofilter
+	std::wstring html_filter_nofilter_tag;
+
+	// the url of a new empty item (if there is not the subject too)
+	// !! IMPROVE ME should be moved to locale
+	std::wstring item_url_empty;
+
+	// maximum length of a file send by post multipart form
+	// default: 8388608 - 8MB
+	// 0 - not used
+	size_t post_file_max;
+
+	// directory for static files
+	std::wstring upload_dir;
+
+	// additional static directories *not* managed by winix
+	// you can refer to this directories by using 'static' mount point
+	// e.g.
+	// let we say in the config you have:
+	// static_dirs = ("/home/a", "/home/b", "/home/c")
+	// and in /etc/fstab (in winix) you have such a line:
+	// "static /my/dir simplefs static(2)"
+	// above line in /etc/fstab means that when a user enters http://domain.com/my/dir/file.txt
+	// then "file.txt" will be taken from "/home/c/file.txt"
+	// this is useful for some javascript files which are protected from running from other domains
+	std::vector<std::wstring> static_dirs;
+
+	// sometimes you can have trouble when you have set an incorrect static path in /etc/fstab
+	// in such a case set dont_use_static_dirs to true
+	// and winix will behave as there are not any static directories
+	// so you can correct your mistake and then set this value to false
+	bool dont_use_static_dirs;
+
+	// static common directory
+	// this is a place where there are some common javascripts, images, css files
+	// winix is allowed to read some files from there
+	// for example ckeditor config, vim config and so on
+	// winix read it as a ezc template and put it into database
+	// default: empty
+	std::wstring common_dir;
+
+	// system group's name for new uploaded files (created directories in the file system)
+	// it can be empty (it is not used then)
+	std::wstring upload_group;
+
+	// this value will be set based on upload_group
+	// will be -1 if upload_group is empty or if it is invalid
+	int upload_group_int;
+
+	// chmod of newly created directories (under upload_dir)
+	// default: 0750
+	int upload_dirs_chmod;
+
+	// chmod of newly created files (under upload_dir)
+	// default: 0640
+	int upload_files_chmod;
+
+	// create a thumbnail from an image
+	// default: true
+	bool create_thumb;
+
+	// the mode of creating a thumbnail
+	// width means thumb_cx, height means thumb_cy
+	// 1: Width given, height automagically selected to preserve aspect ratio.
+	// 2: Height given, width automagically selected to preserve aspect ratio.
+	// 3: Maximum values of height and width given, aspect ratio preserved.
+	// 4: Minimum values of width and height given, aspect ratio preserved.
+	// 5: Width and height emphatically given, original aspect ratio ignored.
+	// 6: Change as per widthxheight (3) but only if an image dimension exceeds a specified dimension.
+	// 7: Change dimensions only if both image dimensions are less than specified dimensions.
+	// default: 2
+	int thumb_mode;
+
+	// width of thumbnails
+	// default: 150
+	size_t thumb_cx;
+
+	// height of thumbnails
+	// default: 150
+	size_t thumb_cy;
+
+	// quality of thumbnails
+	// from 0 (the worst) to 100 (the best)
+	// more info: http://www.imagemagick.org/script/command-line-options.php?ImageMagick=p4jtel7557hovd34ui3tgb54h6#quality
+	// default: 92
+	int thumb_quality;
+
+	// resizing images
+	// this not affects thumbnails
+	// default: true
+	bool image_resize;
+
+	// the mode of resizing an image
+	// the same as 'thumb_mode' above
+	// default: 6
+	int image_mode;
+
+	// width of images
+	// default: 1000
+	size_t image_cx;
+
+	// height of images
+	// default: 800
+	size_t image_cy;
+
+	// quality of an image (the same as in thumbnails)
+	// from 0 (the worst) to 100 (the best)
+	// default: 92
+	int image_quality;
+
+	// the convert program (ImageMagic) (for images and thumbnails)
+	// default: /usr/local/bin/convert
+	std::wstring convert_cmd;
+
+	// directory with locale files
+	std::wstring locale_dir;
+
+	// directory with default locale files (those from winix)
+	std::wstring locale_dir_default;
+
+	// locale files (e.g. "en", "pl")
+	// default: only one item: en
+	std::vector<std::wstring> locale_files;
+
+	// a maximum value of a locale identifier
+	// default: 100 (maximum: 1000)
+	// each locale files should have its own identifier (in "winix_locale_id" field)
+	// from zero to this value
+	size_t locale_max_id;
+
+	// locale for not logged users
+	// or for newly created accounts
+	// default: 0
+	size_t locale_default_id;
+
+	// url protocol
+	// default: http://
+	std::wstring url_proto;
+
+	// url protocol when using SSL
+	// default: https://
+	std::wstring url_ssl_proto;
+
+	// enables SSL
+	// it means this site should be accessed through SSL encrypted connection
+	// default: false
+	bool use_ssl;
+
+	// enables SSL for static content
+	// used mainly in templates, look at doc_base_url_static ezc function
+	// default: false
+	bool use_ssl_static;
+
+	// enables SSL for common content
+	// used mainly in templates, look at doc_base_url_common ezc function
+	// default: false
+	bool use_ssl_common;
+
+	// if SSL is enabled then if this is true the SSL will be used
+	// only for logged users
+	// default: true
+	bool use_ssl_only_for_logged_users;
+
+	// if current connection is without SSL and should be made through SSL
+	// or if is via SSL and should be done in plain text
+	// then we make a redirect
+	// default: 303
+	int use_ssl_redirect_code;
+
+	// when the HOST_HTTP environment variable is not equal to 'base_url'
+	// (the part 'http://' and the last slash is removed)
+	// the server will redirect into base_url + 'REQUEST_URI'
+	// it's useful when you want to redirect from 'mydomain.tld' into 'www.mydomain.tld' etc.
+	// set this option to false if you have multiple subdomains
+	// default: false
+	bool base_url_redirect;
+
+	// the HTTP code used during the base redirect
+	// default: 301
+	int base_url_redirect_code;
+
+	// the main address of the site (e.g. www.someserver.com)
+	// (without http:// prefix)
+	std::wstring base_url;
+
+	// static content not authorized by winix
+	// (e.g. static.someserver.com)
+	std::wstring base_url_static;
+
+	// additional static server for common content (not authorized)
+	// (e.g. common.someserver.com)
+	std::wstring base_url_common;
+
+	// separator used in <title> html tag
+	std::wstring title_separator;
+
+	// http header recognized by www server as a file to send back
+	// default: X-LIGHTTPD-send-file
+	std::wstring http_header_send_file;
+
+	// in editors (emacs, ckeditor,...) the html will be filtered and unsafe tags
+	// will be dropped (script, frame, etc.)
+	// default: true;
+	bool editors_html_safe_mode;
+
+	// don't filter the html code for root
+	// default: true
+	// (if true the html code for root is not filtered)
+	bool editors_html_safe_mode_skip_root;
+
+	// how many maximum symlinks can be followed
+	// (symlinks on directories as well)
+	// default: 20
+	size_t symlinks_follow_max;
+
+	// the prefix of a name of html form controls used in the ticket plugin
+	// default: ticketparam
+	std::wstring ticket_form_prefix;
+
+	// the minimal size of a user's password
+	// default: 5
+	size_t pass_min_size;
+
+	// how passwords should be stored
+	// 0  - plain text
+	// 1  - md4 hash
+	// 2  - md5 hash
+	// 10 - sha1 hash
+	// 11 - sha224 hash
+	// 12 - sha256 hash (default)
+	// 13 - sha384 hash
+	// 14 - sha512 hash
+	int pass_type;
+
+	// whether the passwords' hashes should be salted or not
+	// this affects newly created accounts
+	// default: false
+	bool pass_hash_use_salt;
+
+	// salt to a password's hash
+	// default empty
+	// !! once you set this salt don't change it any more (people wouldn't be allowed to login)
+	std::wstring pass_hash_salt;
+
+	// whether the passwords' hashes should be encrypted
+	// this affects newly created accounts
+	// default: false
+	bool pass_use_rsa;
+
+	// path to a RSA private key
+	// this is actually private + public key in one file
+	// generated by "openssl genrsa"
+	// default empty which means encryption will not be used
+	// !! once you set these keys don't change it any more (people wouldn't be allowed to login)
+	std::wstring pass_rsa_private_key;
+
+	// path to 'openssl'
+	// default: /usr/bin/openssl
+	std::wstring opensll_path;
+
+	// setting when we should delete patterns (EZC patterns)
+	// we are deleting when we have more (or equal) patterns than 'when_delete'
+	// and then we are deleting 'how_many_del' patterns
+	// those patterns comes from items (pages) with executable bit set
+	size_t pattern_cacher_when_delete;
+	size_t pattern_cacher_how_many_delete;
+
+	// header "Content-Type" send to the client
+	// 0 - text/html				- for HTML
+	// 1 - application/xhtml+xml	- for XHTML 1.0
+	// 2 - application/xml			- for XHTML 1.0 or for XHTML 1.1
+	// default: 0
+	// if utf8 is true then "; charset=UTF-8" will also be appended
+	int content_type_header;
+
+	// global umask
+	// it is used when an user doesn't have your own umask or for guests (not logged users)
+	// default: 0222
+	int umask;
+
+	// maximum number for elements through the whole template
+	// default: 50000
+	size_t ezc_max_elements;
+
+	// maximum number of each [for] loop
+	// default: 5000 (from ezc generator)
+	size_t ezc_max_loop_elements;
+
+ 	// how many output streams do we have in Request class
+	// those streams used in ajax responses
+	// you can use no more [ezc out] statements than this limit
+ 	// default: 128
+ 	size_t ezc_out_streams_size;
+
+ 	// prefix and postfix used when there is an error in Ezc patterns
+ 	// default:
+ 	// prefix:  "<!-- "
+ 	// postfix: " -->"
+ 	std::wstring ezc_error_prefix;
+  	std::wstring ezc_error_postfix;
+
+	// when true then when a user want to create a new account
+	// he has to provide his email and a message will be sent back to him
+	// with a link to activate the account
+	// default: true
+	bool account_need_email_verification;
+
+	// when a user forgot his password we are able to send an email to him
+	// with a link to the page where there is a html form for setting a new password
+	// this option tells how long (in seconds) the link is valid
+	// default: 86400 (24 hours)
+	long reset_password_code_expiration_time;
+
+	// time zone identifier for not logged users
+	// or for newly created accounts
+	// those identifiers you can see in etc/time_zones.conf file
+	// or by using timezone winix function with 'a' parameter (timezone/a) (!!IMPROVE ME NOT IMPLEMENTED YET)
+	// default: 34 (Coordinated Universal Time UTC+00:00)
+ 	size_t time_zone_default_id;
+
+ 	// a maximum value of a time zone identifier
+ 	// time zones with an id greater than this will be skipped
+ 	// default: 130 (maximum: 1000)
+ 	size_t time_zone_max_id;
+
+ 	// a directory in which there are some config files
+ 	// used mainly when winix starts
+ 	// default: empty (means not for using)
+ 	std::wstring etc_dir;
+
+ 	// a file in etc_dir with time zones info
+ 	// default: time_zones.conf
+ 	// this is a Space structure with all time zones
+ 	// with following format:
+ 	// "tz_-12:00" (				# the name of a space is also a key to the locale files
+ 	// tz_offset_str = "-12:00" 	# a string representing the offset from UTC in a format: [+|-]HH:MM
+ 	// tz_has_dst    = "false"		# whether the time zone has daylight saving time (bool)
+ 	// tz_dst_offset = ""			# offset of the daylight saving time
+ 	// tz_dst_start  = ""			# when the daylight saving time starts, format: MM:DD HH:MM:SS
+ 	// tz_dst_end    = "")			# when the daylight saving time ends, format: MM:DD HH:MM:SS
+ 	// each time zone is in a seperate space
+ 	std::wstring time_zones_file;
+
+ 	// turn on the IP ban mechanizm
+ 	// we have got three levels of bans (level 1, level 2, and the highest level 3)
+ 	// default: true
+ 	bool use_ban_list;
+
+ 	// the so called 'soft' max size
+ 	// read below description for explanation
+ 	// this is introduced to avoid deleting only one record from the ban list
+ 	// default: 50000
+ 	size_t ban_list_soft_max_size;
+
+ 	// this is the 'hard' max size of an IP's ban list
+ 	// if there are more records than this value
+ 	// then some of them will be removed (until the size will be ban_list_soft_max_size equal)
+ 	// this value should be a little larger from ban_list_soft_max_size
+ 	// default: 51000
+ 	size_t ban_list_max_size;
+
+ 	// delay in seconds of the first level ban
+ 	// default: 1800 (30 minutes)
+ 	// it means withing the next 30 minutes you see only 'you are banned...' message on your webbrowser
+ 	size_t ban_level_1_delay;
+
+ 	// delay in seconds of the second level ban
+ 	// default: 86400 (24 hours)
+ 	size_t ban_level_2_delay;
+
+ 	// delay in seconds of the third level ban
+ 	// default: 604800 (7 days)
+ 	size_t ban_level_3_delay;
+
+ 	// the minimum time in seconds which has to pass between the first GET request
+ 	// (showing your the login form) and the second POST request (which sends the
+ 	// login and password to the server)
+ 	// if the time is shorter then the login attempt is treated as incorrect
+ 	// (the same as if you provide incorrect user/password)
+ 	// default: 2
+ 	size_t incorrect_login_min_time_between_get_post;
+
+ 	// how many incorrect logins there must have been passed to display a captcha
+ 	// next to the login form
+ 	// default: 3 (value in the range <0 - 65535>)
+ 	size_t incorrect_login_captcha_treshold;
+
+ 	// the way how we prevent to login if there are too many incorrect login attempts
+ 	// 0 - 'block logging' - do not show the login form in 'login' winix function
+ 	//     (instead a warning message will be printed)
+ 	// 1 - add to ban list (warning: people from this IP will not be able to see your site and do anything)
+ 	// default: 0
+ 	int incorrect_login_cannot_login_mode;
+
+ 	// after how many incorrect login attempts we do the incorrect_login_cannot_login_mode action
+ 	// default: 20 (value in the range <0 - 65535>)
+ 	size_t incorrect_login_cannot_login_treshold;
+
+ 	// used when incorrect_login_cannot_login_mode is zero
+ 	// it is the time which should be passed to allow logging
+ 	// default: 1800 (30 minutes)
+ 	// if incorrect_login_cannot_login_mode is one then ban_level_X_delay times
+ 	// will be taken accordingly
+ 	size_t incorrect_login_cannot_login_delay;
+
+ 	// pid file (a full path to a pid file)
+ 	// default: empty which means there is not a pid file used
+ 	// pid file is saved after winix has dropped privileges
+ 	std::wstring pid_file;
+
+ 	// allow to use [ezc out] statement in executable items (used in 'run' winix function)
+ 	// default false
+ 	// warning: if you enable this options a user can override a different output stream when using ajax
+	bool allow_ezc_out_in_executable_items;
+
+
+	Config();
+	bool ReadConfig(bool errors_to_stdout_, bool stdout_is_closed = true);
+
+	std::wstring & Text(const wchar_t * name);
+	std::wstring & Text(const wchar_t * name,		const wchar_t * def);
+	std::wstring & Text(const std::wstring & name,	const wchar_t * def);
+
+	int  Int(const wchar_t *);
+	int  Int(const wchar_t * name, int def);
+	int  Int(const std::wstring & name, int def);
+	long Long(const wchar_t *);
+	long Long(const wchar_t * name, long def);
+	long Long(const std::wstring & name, long def);
+	size_t Size(const wchar_t *);
+	size_t Size(const wchar_t * name, size_t def);
+	size_t Size(const std::wstring & name, size_t def);
+	bool Bool(const wchar_t *);
+	bool Bool(const wchar_t * name, bool def);
+	bool Bool(const std::wstring & name, bool def);
+	bool ListText(const wchar_t * name, std::vector<std::wstring> & list);
+	bool ListText(const std::wstring & name, std::vector<std::wstring> & list);
+
+	bool HasValue(const wchar_t * name, const wchar_t * value);
+	bool HasValue(const wchar_t * name, const std::wstring & value);
+	bool HasValue(const std::wstring & name, const wchar_t * value);
+	bool HasValue(const std::wstring & name, const std::wstring & value);
+
+	// for debug
+	void Print(std::wostream & out);
+
+	// raw access to the config
+	PT::Space space;
+
+
+private:
+
+	PT::SpaceParser parser;
+	bool errors_to_stdout;
+
+	void ShowError();
+	void AssignValues(bool stdout_is_closed);
+	void SetAdditionalVariables();
+	void CheckPasswd();
+
+};
+
+
+
+
+} // namespace Winix
+
+
+
+
+#endif

winixd/core/cookieparser.h

@@ -0,0 +1,121 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_cookieparser
+#define headerfile_winix_core_cookieparser
+
+#include "httpsimpleparser.h"
+#include "requesttypes.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+class CookieParser : public HttpSimpleParser
+{
+
+	const wchar_t * cookie_string;
+	CookieTab * cookie_tab;
+	
+
+protected:
+
+
+	virtual int GetChar()
+	{
+		if( !cookie_string || *cookie_string == 0 )
+			return -1;
+		
+		return (int)*(cookie_string++);
+	}
+
+	
+
+	virtual void Parameter(std::wstring & name, std::wstring & value)
+	{
+		// Cookie names are case insensitive according to section 3.1 of RFC 2965
+		// (we don't use locale here)
+		ToLower(name);
+		
+		std::pair<CookieTab::iterator, bool> res = cookie_tab->insert( std::make_pair(name, value) );
+		log << log2 << "Cookie, name: \"" << name << "\", value: \"" << value << "\"";
+		
+		if( res.second == false )
+		{
+			res.first->second = value;
+			log << " (overwritten)";
+		}
+			
+		log << logend;
+	}
+
+
+public:
+
+
+	CookieParser()
+	{
+		HttpSimpleParser::separator                  = ';';
+		HttpSimpleParser::value_can_be_quoted        = true;
+		HttpSimpleParser::skip_white_chars           = true;
+		HttpSimpleParser::recognize_special_chars    = false;
+		HttpSimpleParser::getchar_returns_utf8_chars = false;
+	}
+
+
+	// cookie_string can be null
+	void Parse(const wchar_t * cookie_string_, CookieTab & cookie_tab_)
+	{
+		cookie_string = cookie_string_;
+		cookie_tab    = &cookie_tab_;
+
+		HttpSimpleParser::Parse();
+	}
+
+	void Parse(const std::wstring & cookie_string_, CookieTab & cookie_tab_)
+	{
+		Parse(cookie_string_.c_str(), cookie_tab_);
+	}
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/crypt.cpp

@@ -0,0 +1,348 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include <cstring>
+#include "crypt.h"
+#include "utf8/utf8.h"
+#include "log.h"
+
+
+
+namespace Winix
+{
+
+
+
+void Crypt::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+
+char Crypt::ConvertToHexForm(int val)
+{
+	if( val < 10 )
+		return val + '0';
+
+return val - 10 + 'a';
+}
+
+
+
+
+bool Crypt::HashBin(int hash, const char * in, size_t inlen, std::string & out)
+{
+	out.clear();
+
+	if( !config )
+		return false;
+
+	run.Clear();
+	PT::WideToUTF8(config->opensll_path, command);
+	run.Cmd(command);
+	run.Par("dgst");
+	run.Par("-binary");
+
+	switch(hash)
+	{
+		case WINIX_CRYPT_HASH_MD4:		run.Par("-md4");	break;
+		case WINIX_CRYPT_HASH_MD5:		run.Par("-md5");	break;
+		case WINIX_CRYPT_HASH_SHA1:		run.Par("-sha1");	break;
+		case WINIX_CRYPT_HASH_SHA224:	run.Par("-sha224");	break;
+		case WINIX_CRYPT_HASH_SHA256:	run.Par("-sha256");	break;
+		case WINIX_CRYPT_HASH_SHA384:	run.Par("-sha384");	break;
+		case WINIX_CRYPT_HASH_SHA512:	run.Par("-sha512");	break;
+		
+		default:
+		return false;
+	}
+
+return run.Go(in, inlen, out) == 0;
+}
+
+
+
+bool Crypt::HashBin(int hash, const char * in, std::string & out)
+{
+	size_t len = strlen(in);
+	return HashBin(hash, in, len, out);
+}
+
+
+
+bool Crypt::HashBin(int hash, const std::string & in, std::string & out)
+{
+	return HashBin(hash, in.c_str(), in.size(), out);
+}
+
+
+
+bool Crypt::HashBin(int hash, const wchar_t * in, size_t inlen, std::string & out)
+{
+	PT::WideToUTF8(in, inlen, bufina);
+	int res = HashBin(hash, bufina.c_str(), bufina.size(), out);
+	bufina.clear();
+	
+return res;
+}
+
+
+bool Crypt::HashBin(int hash, const wchar_t * in, std::string & out)
+{
+	size_t len = wcslen(in);
+	return HashBin(hash, in, len, out);
+}
+
+
+bool Crypt::HashBin(int hash, const std::wstring & in, std::string & out)
+{
+	return HashBin(hash, in.c_str(), in.size(), out);
+}
+
+
+
+bool Crypt::HashHex(int hash, const char * in, size_t inlen, std::string & out)
+{
+	int res = HashBin(hash, in, inlen, out_temp);
+
+	ConvertToHexForm(out_temp, out);
+	out_temp.clear();
+
+return res;
+}
+
+
+bool Crypt::HashHex(int hash, const char * in, std::string & out)
+{
+	size_t len = strlen(in);
+	return HashHex(hash, in, len, out);
+}
+
+
+bool Crypt::HashHex(int hash, const std::string & in, std::string & out)
+{
+	return HashHex(hash, in.c_str(), in.size(), out);
+}
+
+
+
+bool Crypt::HashHex(int hash, const wchar_t * in, size_t inlen, std::wstring & out)
+{
+	int res = HashBin(hash, in, inlen, out_temp);
+
+	ConvertToHexForm(out_temp, out);
+	out_temp.clear();
+
+return res;
+}
+
+
+bool Crypt::HashHex(int hash, const wchar_t * in, std::wstring & out)
+{
+	size_t len = wcslen(in);
+	return HashHex(hash, in, len, out);
+}
+
+
+bool Crypt::HashHex(int hash, const std::wstring & in, std::wstring & out)
+{
+	return HashHex(hash, in.c_str(), in.size(), out);
+}
+
+
+bool IsAllWhite(const char * str)
+{
+	for( ; *str ; ++str)
+	{
+		if( !(IsWhite(*str) || *str==10) )
+			return false;
+	}
+
+return true;
+}
+
+
+
+bool Crypt::RSA(bool encrypt, const char * keypath, const char * in, size_t inlen, std::string & out)
+{
+	out.clear();
+
+	if( !config || IsAllWhite(keypath) )
+		return false;
+
+	run.Clear();
+	PT::WideToUTF8(config->opensll_path, command);
+	run.Cmd(command);
+
+	run.Par("rsautl");
+	run.Par("-inkey");
+	run.Par(keypath);
+
+	if(encrypt)
+		run.Par("-encrypt");
+	else
+		run.Par("-decrypt");
+
+return run.Go(in, inlen, out) == 0;
+}
+
+
+
+bool Crypt::RSA(bool encrypt, const char * keypath, const std::string & in, std::string & out)
+{
+	return RSA(encrypt, keypath, in.c_str(), in.size(), out);
+}
+
+
+bool Crypt::RSA(bool encrypt, const std::string & keypath, const std::string & in, std::string & out)
+{
+	return RSA(encrypt, keypath.c_str(), in.c_str(), in.size(), out);
+}
+
+
+
+bool Crypt::RSA(bool encrypt, const wchar_t * keypath, const char * in, size_t inlen, std::string & out)
+{
+	PT::WideToUTF8(keypath, keypatha);
+	return RSA(encrypt, keypatha.c_str(), in, inlen, out);
+}
+
+
+
+bool Crypt::RSA(bool encrypt, const wchar_t * keypath, const std::string & in, std::string & out)
+{
+	return RSA(encrypt, keypath, in.c_str(), in.size(), out);
+}
+
+
+bool Crypt::RSA(bool encrypt, const std::wstring & keypath, const std::string & in, std::string & out)
+{
+	return RSA(encrypt, keypath.c_str(), in.c_str(), in.size(), out);
+}
+
+
+
+
+
+
+
+
+bool Crypt::PassHash(const std::wstring & salt, UserPass & up)
+{
+	bool result = true;
+	up.pass_hash_salted = false;
+
+	if( up.pass_type != WINIX_CRYPT_HASH_NONE )
+	{
+		pass_org     = up.pass;
+		pass_salted  = up.pass;
+		pass_salted += salt;
+
+		if( HashHex(up.pass_type, pass_salted, up.pass) )
+		{
+			if( !salt.empty() )
+				up.pass_hash_salted = true;
+		}
+		else
+		{
+			log << log1 << "Crypt: problem with generating a hash, the password will not be hashed" << logend;
+			
+			up.pass = pass_org;
+			up.pass_type = WINIX_CRYPT_HASH_NONE;
+			result = false;
+		}
+
+		ClearString(pass_salted);
+		ClearString(pass_org);
+	}
+
+return result;
+}
+
+
+
+bool Crypt::PassCrypt(const std::wstring & path_to_rsa_private_key, UserPass & up)
+{
+	bool result = false;
+	ClearString(up.pass_encrypted);
+
+	if( !path_to_rsa_private_key.empty() )
+	{
+		PT::WideToUTF8(up.pass, passa);
+
+		if( RSA(true, path_to_rsa_private_key, passa, up.pass_encrypted) )
+		{
+			result = true;
+		}
+		else
+		{
+			ClearString(up.pass_encrypted);
+			log << log1 << "AddUser: problem with encrypting, the password will not be encrypted!" << logend;
+		}
+
+		ClearString(passa);
+	}
+
+return result;
+}
+
+
+void Crypt::PassHashCrypt(const std::wstring & salt, const std::wstring & path_to_rsa_private_key, UserPass & up)
+{
+	PassHash(salt, up);
+	PassCrypt(path_to_rsa_private_key, up);
+}
+
+
+
+void Crypt::PassHashCrypt(UserPass & up)
+{
+	up.pass_type = config->pass_type;
+	empty.clear();
+
+	if( config->pass_hash_use_salt && !config->pass_hash_salt.empty() )
+		PassHash(config->pass_hash_salt, up);
+	else
+		PassHash(empty, up);
+
+
+	if( config->pass_use_rsa && !config->pass_rsa_private_key.empty() )
+		PassCrypt(config->pass_rsa_private_key, up);
+}
+
+
+
+} // namespace Winix
+

winixd/core/crypt.h

@@ -0,0 +1,294 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_crypt
+#define headerfile_winix_core_crypt
+
+#include <string>
+#include "run.h"
+#include "config.h"
+#include "user.h"
+
+
+namespace Winix
+{
+
+
+
+/*
+	the kind of hashes we are able to obtain in winix
+*/
+#define WINIX_CRYPT_HASH_NONE		0
+#define WINIX_CRYPT_HASH_MD4		1
+#define WINIX_CRYPT_HASH_MD5		2
+#define WINIX_CRYPT_HASH_SHA1		10
+#define WINIX_CRYPT_HASH_SHA224		11
+#define WINIX_CRYPT_HASH_SHA256		12
+#define WINIX_CRYPT_HASH_SHA384		13
+#define WINIX_CRYPT_HASH_SHA512		14
+
+
+
+/*
+	calculating hashes, encrypting and decrypting with RSA
+*/
+class Crypt
+{
+public:
+
+
+	void SetConfig(Config * pconfig);
+
+
+	/*
+		calculating a hash from a given input
+
+		input:
+			hash  - the kind of the hash - WINIX_CRYPT_HASH_*
+			in    - input buffer
+			inlen - the length of the buffer
+		output:
+			out   - the hash in binary form
+	*/
+	bool HashBin(int hash, const char * in, size_t inlen, std::string & out);
+	bool HashBin(int hash, const char * in,               std::string & out);
+	bool HashBin(int hash, const std::string & in,        std::string & out);
+
+
+	/*
+		calculating a hash from a given input
+		the input string is first changed to UTF8 and then hash is calculated
+
+		input:
+			hash  - the kind of the hash - WINIX_CRYPT_HASH_*
+			in    - input buffer
+			inlen - the length of the buffer
+		output:
+			out   - the hash in binary form
+	*/
+	bool HashBin(int hash, const wchar_t * in, size_t inlen, std::string & out);
+	bool HashBin(int hash, const wchar_t * in,               std::string & out);
+	bool HashBin(int hash, const std::wstring & in,          std::string & out);
+
+
+	/*
+		calculating a hash from a given input
+
+		input:
+			hash  - the kind of the hash - WINIX_CRYPT_HASH_*
+			in    - input buffer
+			inlen - the length of the buffer
+		output:
+			out   - the hash in the hex form (one byte is saved as two hex digits)
+	*/
+	bool HashHex(int hash, const char * in, size_t inlen,    std::string & out);
+	bool HashHex(int hash, const char * in,                  std::string & out);
+	bool HashHex(int hash, const std::string & in,           std::string & out);
+
+
+	/*
+		calculating a hash from a given input
+		the input string is first changed to UTF8 and then hash is calculated
+
+		input:
+			hash  - the kind of the hash - WINIX_CRYPT_HASH_*
+			in    - input buffer
+			inlen - the length of the buffer
+		output:
+			out   - the hash in the hex form (one byte is saved as two hex digits)
+					the 'out' here is std::wstring (not std::string like beforehand)
+	*/
+	bool HashHex(int hash, const wchar_t * in, size_t inlen, std::wstring & out);
+	bool HashHex(int hash, const wchar_t * in,               std::wstring & out);
+	bool HashHex(int hash, const std::wstring & in,          std::wstring & out);
+
+
+	/*
+		encrypt/decrypt by using RSA algorithm
+
+		input:
+			encrypt  - true means encrypting, false means decrypting
+			keypath  - path to a RSA private key (this is a private and public key in one file)
+			in       - input buffer
+			inlen    - the size of the buffer
+
+		output:
+			out      - encrypted or decrypted buffer (always binary)
+	*/
+	bool RSA(bool encrypt, const char * keypath,         const char * in, size_t inlen, std::string & out);
+	bool RSA(bool encrypt, const char * keypath,         const std::string & in,        std::string & out);
+	bool RSA(bool encrypt, const std::string & keypath,  const std::string & in,        std::string & out);
+	bool RSA(bool encrypt, const wchar_t * keypath,      const char * in, size_t inlen, std::string & out);
+	bool RSA(bool encrypt, const wchar_t * keypath,      const std::string & in,        std::string & out);
+	bool RSA(bool encrypt, const std::wstring & keypath, const std::string & in,        std::string & out);
+
+
+	/*
+		this method creates a hash from the given plain text password
+
+		input.
+			salt         - salt for the hash
+			up.pass_type - what kind of hash do you want - look at WINIX_CRYPT_HASH_* macros (in crypt.h)
+			up.pass      - plain text password
+
+			if salt is empty then the hash will not be salted
+
+		output:
+			up.pass_type - (can be changed to 0 when there is a problem with generating a hash)
+			up.pass      - hash from the password (or plain text if up.pass_type was zero)
+			up.pass_hash_salted (true if the hash is salted - when salt was not empty)
+
+		if there is a problem with generating a hash the method stores a plain text password
+		and changes up.pass_type to zero (plain text passwords are not salted)
+	*/
+	bool PassHash(const std::wstring & salt, UserPass & up);
+
+
+	/*
+		this method encrypts the given password
+
+		input:
+			path_to_rsa_private_key - a path to rsa private key (this are a private and public keys both in one file)
+			up.pass - given password (can be a plain text or a hash)
+
+			if path_to_rsa_private_key is empty then the password will not be encrypted
+
+		output:
+			up.pass_encrypted
+
+		if there is a problem (or the path to the key is empty) then up.pass_encrypted will be empty
+		and the method returns false
+	*/
+	bool PassCrypt(const std::wstring & path_to_rsa_private_key, UserPass & up);
+
+
+	/*
+		this method creates a hash from the given plain text password and then encrypts it
+
+		input:
+			salt         - salt for the hash
+			path_to_rsa_private_key - a path to rsa private key (this are a private and public keys both in one file)
+			up.pass_type - what kind of hash do you want - look at WINIX_CRYPT_HASH_* macros (in crypt.h)
+			up.pass      - plain text password
+
+			if salt is empty then the hash will not be salted
+			if path_to_rsa_private_key is empty then the password will not be encrypted
+
+		output:
+			up.pass_type - (can be changed to 0 when there is a problem with generating a hash)
+			up.pass      - hash from the password (or plain text if up.pass_type was zero)
+			up.pass_hash_salted (true if the hash is salted - when salt was not empty)
+			up.pass_encrypted - encrypted password (if not empty)
+		
+	*/
+	void PassHashCrypt(const std::wstring & salt, const std::wstring & path_to_rsa_private_key, UserPass & up);
+
+
+	/*
+		this method creates a hash from the given plain text password and then encrypts it
+
+		input:
+			up.pass - plain text password
+
+		output:
+			up.pass_type        - what kind of hash there is in up.pass
+			up.pass             - hash from the password (or plain text if up.pass_type is zero)
+			up.pass_hash_salted - true if the hash is salted (plain text are never salted)
+			up.pass_encrypted   - encrypted password (if not empty)
+	*/
+	void PassHashCrypt(UserPass & up);
+
+
+	/*
+		putting some characters into the string and then calling clear()
+	*/
+	template<class StringType>
+	void ClearString(StringType & str);
+
+
+
+private:
+
+	Config * config;
+	Run run;
+	std::string command, bufina, keypatha;
+	//std::wstring pass_salted;//, pass_hashed;
+	//std::string pass_hasheda, pass_encrypteda;
+
+	std::wstring pass_salted, pass_org;
+	std::string passa, out_temp;
+	std::wstring empty;
+
+
+	template<typename StringType>
+	void ConvertToHexForm(const std::string & in, StringType & out);
+
+	char ConvertToHexForm(int val);
+
+};
+
+
+
+template<typename StringType>
+void Crypt::ClearString(StringType & str)
+{
+	for(size_t i=0 ; i<str.size() ; ++i)
+		str[i] = 0x0c;
+
+	str.clear();
+}
+
+
+template<typename StringType>
+void Crypt::ConvertToHexForm(const std::string & in, StringType & out)
+{
+	out.clear();
+
+	if( in.size() * 2 > out.capacity() )
+		out.reserve(in.size() * 2);
+
+	for(size_t i=0 ; i<in.size() ; ++i)
+	{
+		out += ConvertToHexForm(((unsigned char)in[i]) >> 4);
+		out += ConvertToHexForm(((unsigned char)in[i]) & 0x0f);
+	}
+}
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/cur.h

@@ -0,0 +1,68 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_cur
+#define headerfile_winix_core_cur
+
+#include "request.h"
+#include "session.h"
+#include "mount.h"
+
+
+namespace Winix
+{
+
+
+
+/*
+	current request and session
+*/
+struct Cur
+{
+	Request * request;
+	Session * session;
+	Mount   * mount;
+
+	// those pointers are never null, if there is no a session for the user
+	// the 'session' pointer pointers at a special temporary session
+};
+
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/dircontainer.cpp

@@ -0,0 +1,365 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "dircontainer.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+std::wstring DirContainer::dir_etc = L"etc";
+std::wstring DirContainer::dir_var = L"var";
+
+
+DirContainer::DirContainer()
+{
+	is_root = false;
+	is_etc  = false;
+	is_var  = false;
+}
+
+
+
+DirContainer::Iterator DirContainer::GetRoot()
+{
+	if( !is_root )
+		return table.end();
+	
+return root_iter;
+}
+
+
+DirContainer::Iterator DirContainer::GetEtc()
+{
+	if( !is_etc )
+		return table.end();
+	
+return etc_iter;
+}
+
+
+DirContainer::Iterator DirContainer::GetVar()
+{
+	if( !is_var )
+		return table.end();
+	
+return var_iter;
+}
+
+
+DirContainer::Iterator DirContainer::Begin()
+{
+	return table.begin();	
+}
+
+
+DirContainer::Iterator DirContainer::End()
+{
+	return table.end();	
+}
+
+
+DirContainer::SizeType DirContainer::Size()
+{
+	return table.size(); // !! warning: it has O(n)
+}
+
+bool DirContainer::Empty()
+{
+	return table.empty();
+}
+
+
+bool DirContainer::IsNameOfSpecialFolder(const std::wstring & name)
+{
+	return name == dir_etc || name == dir_var;
+}
+
+
+// looking for '/etc'
+// 'root' is found beforehand
+// CheckSpecialFolder() may not find everything (when the first is a special folder and then the root)
+void DirContainer::FindSpecialFolders()
+{
+	is_etc = false;
+	is_var = false;
+
+	if( !is_root )
+		return;
+
+	DirContainer::ParentIterator i = FindFirstChild(root_iter->id);
+	
+	for( ; i!=ParentEnd() ; i = NextChild(i) )
+	{
+		if( i->second->url == dir_etc )
+		{
+			is_etc = true;
+			etc_iter = i->second;
+		}
+		else
+		if( i->second->url == dir_var )
+		{
+			is_var = true;
+			var_iter = i->second;
+		}
+	}
+}
+
+
+// this is used with PushBack() method
+void DirContainer::CheckSpecialFolder(const Item & item, Iterator iter)
+{
+	if( item.parent_id == -1 )
+	{
+		is_root   = true;
+		root_iter = iter;
+	}
+
+	if( !is_root )
+		return;
+
+	if( item.parent_id==root_iter->id && item.url==dir_etc )
+	{
+		is_etc   = true;
+		etc_iter = iter;
+		log << log2 << "DirCont: added special folder: /etc" << logend;
+	}
+
+	if( item.parent_id==root_iter->id && item.url==dir_var )
+	{
+		is_var   = true;
+		var_iter = iter;
+		log << log2 << "DirCont: added special folder: /var" << logend;
+	}
+
+}
+
+
+DirContainer::Iterator DirContainer::PushBack(const Item & item)
+{
+	if( item.parent_id == -1 && is_root )
+	{
+		log << log1 << "DirCont: more than one root dir - skipped, id: " << item.id << logend;
+		return root_iter;
+	}
+
+	Iterator last_iter = table.insert(table.end(), item);
+	CheckSpecialFolder(item, last_iter);
+
+	log << log2 << "DirCont: added dir, url: " << item.url << ", id: " << item.id << ", parent_id: " << item.parent_id << logend;
+	
+	table_id.insert( std::make_pair(last_iter->id, last_iter) );
+	table_parent.insert( std::make_pair(last_iter->parent_id, last_iter) );
+	
+	log << log3 << "DirCont: added indexes to dir, id: " << last_iter->id << ", parent_id: " << last_iter->parent_id << logend;
+	
+return last_iter;
+}
+
+
+
+bool DirContainer::ChangeParent(long dir_id, long new_parent_id)
+{
+	Iterator i = FindId(dir_id);
+
+	if( i == table.end() )
+		return false;
+
+	if( i->parent_id == new_parent_id )
+		return true; // nothing to do
+
+	ParentIterator p = FindFirstChild(i->parent_id);
+	bool found = false;
+
+	for( ; p != table_parent.end() ; p = NextChild(p) )
+	{
+		if( p->second->id == dir_id )
+		{
+			table_parent.erase(p);
+			log << log3 << "DirCont: removed parent index to dir: " << i->id << logend;
+
+			i->parent_id = new_parent_id;
+			table_parent.insert( std::make_pair(new_parent_id, i) );
+			log << log3 << "DirCont: added parent index to dir, id: " << i->id << ", parent_id: " << i->parent_id << logend;
+
+			found = true;
+
+			if( IsNameOfSpecialFolder(i->url) )
+				FindSpecialFolders();
+
+			break; // that iterator (p) is only one
+		}
+	}
+
+	if( !found )
+		log << log1 << "DirCont: cannot find parent_id: " << i->parent_id << " in parent indexes" << logend;
+
+return found;
+}
+
+
+
+void DirContainer::Clear()
+{
+	table.clear();	
+	table_id.clear();
+	table_parent.clear();
+	is_root = false;
+}
+
+
+
+
+DirContainer::Iterator DirContainer::FindId(long id)
+{
+	TableId::iterator i = table_id.find(id);
+
+	if( i == table_id.end() )
+		return table.end();
+		
+return i->second;
+}
+
+
+
+DirContainer::ParentIterator DirContainer::ParentBegin()
+{
+	return table_parent.begin();
+}
+
+
+
+DirContainer::ParentIterator DirContainer::ParentEnd()
+{
+	return table_parent.end();	
+}
+
+
+DirContainer::ParentSizeType DirContainer::ParentSize()
+{
+	return table_parent.size();
+}
+
+
+bool DirContainer::ParentEmpty()
+{
+	return table_parent.empty();
+}
+
+
+DirContainer::ParentIterator DirContainer::FindFirstChild(long parent)
+{
+	ParentIterator i = table_parent.lower_bound(parent);
+	
+	if( i == table_parent.end() || i->first != parent )
+		return table_parent.end();
+	
+return i;
+}
+
+
+DirContainer::ParentIterator DirContainer::NextChild(ParentIterator i)
+{
+	if( i == table_parent.end() )
+		return table_parent.end();
+
+	long parent = i->first;
+	++i;
+	
+	if( i == table_parent.end() || i->first != parent )
+		return table_parent.end();
+
+return i;
+}
+
+
+
+
+
+bool DirContainer::DelById(long id)
+{
+	TableId::iterator i = table_id.find(id);
+	
+	if( i == table_id.end() )
+	{
+		log << log1 << "DirCont: delete: there is no directory with id: " << id << logend;
+		return false;
+	}
+
+	long parent_id = i->second->parent_id;
+	TableParent::iterator z = table_parent.lower_bound(parent_id);
+	bool found = false;
+	
+	for( ; z != table_parent.end() && z->first == parent_id ; ++z )
+	{
+		if( z->second == i->second )
+		{
+			log << log2 << "DirCont: deleted directory id: " << id << ", url: " << i->second->url;
+			
+			if( i->second->parent_id == -1 )
+			{
+				log << log2 << " (root directory)";	
+				is_root = false;
+			}
+			
+			log << log2 << logend;
+			
+			table.erase(i->second);
+
+			log << log3 << "DirCont: deleted indexes into directory id: " << id << logend;
+			table_id.erase(i);	
+			table_parent.erase(z);
+
+			found = true;
+			break;
+		}
+	}
+	
+	if( !found )
+	{	
+		log << log1 << "DirCont: can't find an index_parent into directory id: " << id << ", url: " << i->second->url << " (deleting skipped)" << logend;
+		return false;
+	}
+	
+	
+return true;
+}
+
+
+
+} // namespace Winix
+

winixd/core/dircontainer.h

@@ -0,0 +1,128 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_dircontainer
+#define headerfile_winix_core_dircontainer
+
+#include <list>
+#include <map>
+#include "item.h"
+
+
+namespace Winix
+{
+
+
+
+class DirContainer
+{
+
+public:
+	typedef std::list<Item>  Table;
+	typedef Table::iterator  Iterator;
+	typedef Table::size_type SizeType;
+
+	typedef std::map<long, Iterator>      TableId;
+	typedef std::multimap<long, Iterator> TableParent;
+	typedef TableParent::iterator         ParentIterator;
+	typedef TableParent::size_type        ParentSizeType;
+
+
+	DirContainer();
+
+	Iterator GetRoot();
+	Iterator GetEtc();
+	Iterator GetVar();
+
+	Iterator Begin();
+	Iterator End();
+	SizeType Size();
+	bool     Empty();
+	Iterator PushBack(const Item & item);
+	bool     ChangeParent(long dir_id, long new_parent_id);
+	void     Clear();
+
+	Iterator FindId(long id);
+
+	bool DelById(long id);
+
+	ParentIterator ParentBegin(); // IMPROVE ME: may it should be renamed to ChildBegin() similarly as FindFirstChild() ?
+	ParentIterator ParentEnd();
+	ParentSizeType ParentSize();
+	bool           ParentEmpty();
+	ParentIterator FindFirstChild(long parent);
+	ParentIterator NextChild(ParentIterator pi);
+
+	bool IsNameOfSpecialFolder(const std::wstring & name);
+	void FindSpecialFolders();
+
+private:
+
+	void CheckSpecialFolder(const Item & item, Iterator iter);
+
+	// main table with dirs
+	Table table;
+
+	// true if there is a root dir in the table
+	bool is_root;
+
+	// root 
+	Iterator root_iter;
+
+	// true if there is a etc dir in the table
+	bool is_etc;
+
+	// etc
+	Iterator etc_iter;
+
+	// true if there is a var dir in the table
+	bool is_var;
+
+	// var
+	Iterator var_iter;
+
+	// indexes
+	TableId table_id;
+	TableParent table_parent;
+
+	// names of folders
+	static std::wstring dir_etc, dir_var;
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/dirs.cpp

@@ -0,0 +1,789 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "dirs.h"
+#include "error.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+void Dirs::SetDb(Db * pdb)
+{
+	db = pdb;
+}
+
+
+void Dirs::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+void Dirs::SetNotify(Notify * pnotify)
+{
+	notify = pnotify;
+}
+
+
+void Dirs::Clear()
+{
+	dir_tab.Clear();
+}
+
+
+bool Dirs::HasReadExecAccessForRoot(const Item & item)
+{
+	// there must be at least one 'x' (for the root)
+	return (item.privileges & 01111) != 0;
+}
+
+
+void Dirs::CheckRootDir()
+{
+	DirContainer::Iterator i = dir_tab.GetRoot();
+
+	if( i != dir_tab.End() )
+	{
+		if( !HasReadExecAccessForRoot(*i) )
+		{
+			i->privileges = 07555;
+			log << log1 << "Dirs: there is no access for a root (admin) to the root dir, setting 07555 for the root directory" << logend;
+			db->EditPrivById(*i, i->id);
+		}
+
+		return;
+	}
+	
+		
+	log << log1 << "Dirs: there is no a root directory in the database (creating one)" << logend;
+
+	Item root;
+
+	root.type         = Item::dir;
+	root.parent_id    = -1;
+	root.user_id      = -1;
+	root.group_id     = -1;
+	root.privileges   = 07555;
+
+	// !! upewnic sie ze baza nie zmieni url (gdyby wczesniej juz byl w bazie pusty url)
+	// !! zrobic jakis wyjatek do wprowadzania roota?
+	if( db->AddItem(root) == WINIX_ERR_OK )
+	{
+		dir_tab.PushBack(root);
+	}
+}
+
+
+
+
+void Dirs::ReadDirs()
+{
+	Clear();
+
+	db->GetDirs(dir_tab);
+	CheckRootDir();
+	dir_tab.FindSpecialFolders();
+}
+
+
+bool Dirs::ExtractName(const wchar_t * & s, std::wstring & name)
+{
+	name.clear();
+	
+	// skipping first slashes (can be more than one)
+	for( ; *s == '/' ; ++s);
+	
+	for( ; *s != 0 && *s != '/' ; ++s)
+		name += *s;
+	
+return !name.empty();
+}
+
+
+
+
+
+bool Dirs::IsDir(long id)
+{
+	DirContainer::Iterator i = dir_tab.FindId(id);	
+
+	if( i == dir_tab.End() )
+		return false;
+		
+return true;
+}
+
+
+
+// !! dac clearowanie childs_tab
+// !! ewentualnie mozna dodac trzeci domyslny parametr bool clear_tab = true
+bool Dirs::GetDirChilds(long parent, std::vector<Item*> & childs_tab)
+{
+	if( parent != -1 && !IsDir(parent) )
+		return false;
+	
+	DirContainer::ParentIterator i = dir_tab.FindFirstChild(parent);	
+	
+	for( ; i != dir_tab.ParentEnd() ; i = dir_tab.NextChild(i) )
+		childs_tab.push_back( &(*i->second) );
+		
+return true;
+}
+
+
+DirContainer::ParentIterator Dirs::FindFirstChild(long parent_id)
+{
+	DirContainer::ParentIterator i = dir_tab.FindFirstChild(parent_id);	
+
+return i;
+}
+
+
+DirContainer::ParentIterator Dirs::NextChild(DirContainer::ParentIterator i)
+{
+	return dir_tab.NextChild(i);
+}
+
+
+DirContainer::ParentIterator Dirs::ParentEnd()
+{
+	return dir_tab.ParentEnd();
+}
+
+
+// !! dodatkowo moze metoda AppendPath dodajaca sciezke do biezacego stringa?
+// albo tutaj stringa nie czyscic?
+// O(m * log n) (m- how many parts are in 'id')
+// path with a slash at the end and at the beginning
+bool Dirs::MakePath(long id, std::wstring & path, bool clear_path)
+{
+DirContainer::Iterator i;
+
+	if( clear_path )
+		path.clear();
+
+	temp_path = '/';
+
+	while( true )
+	{
+		i = dir_tab.FindId(id);
+		
+		if( i == dir_tab.End() ||
+			i->parent_id == id ) // means a loop (something wrong in the db)
+		{
+			// we don't change path if there is no such a directory
+			return false;
+		}
+		
+		if( i->parent_id == -1 )
+		{
+			path += temp_path;
+			return true;
+		}
+
+		id = i->parent_id;
+		
+		temp_path.insert(0, i->url);
+		temp_path.insert(temp_path.begin(), '/');
+	}
+}
+
+
+
+
+void Dirs::MakePath(const std::vector<Item*> dir_tab, std::wstring & path, bool clear_path)
+{
+	if( clear_path )
+		path.clear();
+
+	for(size_t i=0 ; i<dir_tab.size() ; ++i)
+	{
+		path += dir_tab[i]->url;
+		path += '/';
+	}
+}
+
+
+
+size_t Dirs::DirLevel(long id)
+{
+DirContainer::Iterator i;
+size_t level = 0;
+
+	while( true )
+	{
+		i = dir_tab.FindId(id);
+		
+		if( i == dir_tab.End() ||
+			i->parent_id == id ) // means a loop (something wrong in the db)
+		{
+			return level;
+		}
+		
+		if( i->parent_id == -1 )
+			return level;
+
+		id = i->parent_id;
+		level += 1;
+	}
+}
+
+
+bool Dirs::IsChild(long parent_id, long child_id)
+{
+	if( child_id == parent_id )
+		return false;
+
+	DirContainer::Iterator i;
+
+	while( child_id != -1 )
+	{
+		i = dir_tab.FindId(child_id);
+		
+		if( i == dir_tab.End() )
+			return false;
+		
+		if( i->parent_id == parent_id )
+			return true;
+
+		child_id = i->parent_id;
+	}
+
+return false;
+}
+
+
+bool Dirs::ChangeParent(long dir_id, long new_parent_id)
+{
+	return dir_tab.ChangeParent(dir_id, new_parent_id);
+}
+
+
+
+/*
+	checking whether dir_id has a parent parent_id (somewhere in the path)
+*/
+bool Dirs::HasParent(long dir_id, long parent_id)
+{
+DirContainer::Iterator i;
+
+	while( true )
+	{
+		i = dir_tab.FindId(dir_id);
+		
+		if( i==dir_tab.End() || i->parent_id==-1 )
+			return false;
+		
+		if( i->parent_id == parent_id )
+			return true;
+
+		dir_id = i->parent_id;
+	}
+}
+
+
+
+
+bool Dirs::CreateDirTab(long dir_id, std::vector<Item*> & out_dir_tab)
+{
+DirContainer::Iterator i;
+
+	out_dir_tab.clear();
+
+	do
+	{
+		i = dir_tab.FindId(dir_id);
+		
+		if( i == dir_tab.End() )
+			return false;
+
+		if( out_dir_tab.empty() )
+			out_dir_tab.insert(out_dir_tab.end(), &(*i)); // !! I am not sure whether begin() can be used on an empty container
+		else
+			out_dir_tab.insert(out_dir_tab.begin(), &(*i));
+
+		dir_id = i->parent_id;
+	}
+	while( dir_id != -1 );
+
+return true;
+}
+
+
+
+Item * Dirs::GetRootDir()
+{
+	DirContainer::Iterator root = dir_tab.GetRoot();
+	
+	if( root == dir_tab.End() )
+		return 0;
+		
+return &(*root);
+}
+
+
+Item * Dirs::GetEtcDir()
+{
+	DirContainer::Iterator etc = dir_tab.GetEtc();
+	
+	if( etc == dir_tab.End() )
+		return 0;
+		
+return &(*etc);
+}
+
+
+Item * Dirs::GetVarDir()
+{
+	DirContainer::Iterator etc = dir_tab.GetVar();
+	
+	if( etc == dir_tab.End() )
+		return 0;
+		
+return &(*etc);
+}
+
+
+Item * Dirs::GetDir(const wchar_t * name, long parent)
+{
+	DirContainer::ParentIterator i = dir_tab.FindFirstChild(parent);
+	
+	for( ; i!=dir_tab.ParentEnd() ; i = dir_tab.NextChild(i) )
+		if( i->second->url == name )
+			return &(*i->second);
+	
+return 0;
+}
+
+
+Item * Dirs::GetDir(const std::wstring & name, long parent)
+{
+	return GetDir(name.c_str(), parent);
+}
+
+
+
+Item * Dirs::GetDir(const wchar_t * path)
+{
+	if( *path == 0 )
+		return 0;
+
+	DirContainer::Iterator root = dir_tab.GetRoot();
+	
+	if( root == dir_tab.End() )
+		// ops, we do not have a root dir
+		return 0;
+		
+	Item * pitem      = &(*root);
+	const wchar_t * s = path;
+	
+	while( ExtractName(s, get_dir_temp) )
+	{
+		pitem = GetDir(get_dir_temp, pitem->id);
+			
+		if( !pitem )
+			return 0;
+	}
+
+return pitem;
+}
+
+
+
+Item * Dirs::GetDir(const std::wstring & path)
+{
+	return GetDir(path.c_str());
+}
+
+
+Item * Dirs::GetDir(long id)
+{
+	DirContainer::Iterator i = dir_tab.FindId(id);	
+
+	if( i == dir_tab.End() )
+		return 0;
+		
+return &(*i);
+}
+
+
+
+
+Item * Dirs::AddDir(const Item & item)
+{
+	return &(*dir_tab.PushBack(item));
+}
+
+
+
+
+size_t Dirs::AnalyzeDir(Item * pdir, const std::wstring & path, long & dir_id, std::wstring & dir)
+{
+	size_t i = 0;
+	size_t old_i;
+
+	while( true )
+	{	
+		dir_id = pdir->id;
+
+		// skipping slashes
+		for( ; i<path.size() && path[i] == '/' ; ++i );
+
+		if( i == path.size() )
+			return i; // end of the path
+
+		// creating a name
+		old_i = i;
+		analyze_temp.clear();
+
+		for( ; i<path.size() && path[i] != '/' ; ++i)
+			analyze_temp += path[i];
+		
+ 		pdir = GetDir(analyze_temp, pdir->id);
+ 			
+ 		if( !pdir )
+			return old_i; // analyze_temp is not a directory
+
+		dir += analyze_temp;
+		dir += '/';
+ 	}
+}
+
+
+
+/*
+	the path should begin with a slash
+
+	return values:
+     0 - directory exists
+         dir_id - id of the directory
+         dir    - the path to the directory (with a slash at the end)
+	     file   - if not empty means a file name (we don't check if the file really exists)
+	 1 - there is not a root dir
+	 2 - the path is empty
+	 3 - there is not such a directory
+*/
+int Dirs::AnalyzePath(const std::wstring & path, long & dir_id, std::wstring & dir, std::wstring & file)
+{
+	Item * pdir = GetRootDir();
+	dir = '/';
+	file.clear();
+
+	if( !pdir )
+ 		return 1;
+
+	if( path.empty() )
+		return 2;
+
+	if( path[0] != '/' )
+		return 3;
+
+	size_t i = AnalyzeDir(pdir, path, dir_id, dir);
+
+	if( i < path.size() )
+	{
+		// checking if at least one slash has left
+		for(size_t a=i ; a < path.size() ; ++a)
+			if( path[a] == '/' )
+				return 3; // there is not such a directory
+
+		// the rest of the path is a file name
+		file = path.c_str() + i;
+	}
+
+return 0;
+}
+
+
+
+// current_dir_tab can be the same container as out_dir_tab
+void Dirs::CopyDirTab(const std::vector<Item*> & in, std::vector<Item*> & out)
+{
+	if( &in != &out )
+	{
+		out.resize(in.size());
+
+		for(size_t i=0 ; i<in.size() ; ++i)
+			out[i] = in[i];
+	}
+}
+
+
+
+/*
+	!! IMPROVE ME
+	may dir_tab can be empty when link_to is not relative?
+	and now the algorith doesn't check if link_to is not relative (it only uses dir_tab)
+*/
+bool Dirs::AnalyzeDir(std::vector<Item*> & dir_tab, const std::wstring & link_to, size_t & i)
+{
+	size_t old_i;
+	i = 0;
+
+	if( dir_tab.empty() )
+		return false;
+
+	while( true )
+	{	
+		// skipping slashes
+		for( ; i<link_to.size() && link_to[i] == '/' ; ++i);
+
+		if( i == link_to.size() )
+			return true; // end of the path
+
+		// creating a name
+		old_i = i;
+		analyze_temp.clear();
+
+		for( ; i<link_to.size() && link_to[i] != '/' ; ++i)
+			analyze_temp += link_to[i];
+		
+		if( analyze_temp == L".." )
+		{
+			if( dir_tab.size() <= 1 )
+				return false;
+
+			dir_tab.pop_back();
+		}
+		else
+		if( analyze_temp != L"." )
+		{
+ 			Item * pdir = GetDir(analyze_temp, dir_tab.back()->id);
+	 			
+ 			if( !pdir )
+			{
+				i = old_i;
+				return true; // analyze_temp is not a directory
+			}
+
+			dir_tab.push_back(pdir);
+		}
+ 	}
+}
+
+
+
+
+
+
+int Dirs::FollowLink(std::vector<Item*> & dir_tab, const std::wstring & link_to, std::wstring & out_item)
+{
+	size_t i;
+	
+	if( !AnalyzeDir(dir_tab, link_to, i) )
+		return 2; // incorrect link_to
+
+	if( i < link_to.size() )
+	{
+		// checking if at least one slash has left
+		for(size_t a=i ; a < link_to.size() ; ++a)
+			if( link_to[a] == '/' )
+				return 2; // there is not such a directory
+
+		// the rest of the path is a file name
+		out_item = link_to.c_str() + i;
+		return 1;
+	}
+
+return 0;
+}
+
+
+
+
+
+/*
+	return codes:
+	ok:
+	0 - the link_to is a path to a directory (out_item skipped, out_dir_tab will not be empty)
+	1 - the link_to is a path to a file (out_item is used, out_dir_tab will not be empty)
+
+	error:
+	2 - incorrect link_to
+	3 - there is not a root dir
+	4 - current_dir_tab was empty
+
+	current_dir_tab can be the same container as out_dir_tab
+	link_to can be a relative path (without the first slash) and can contain ".." or "."
+*/
+int Dirs::FollowLink(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
+					 std::vector<Item*> & out_dir_tab, std::wstring & out_item)
+{
+	temp_link_to = link_to; // link_to can be from the out_item and would be cleared next
+	out_item.clear();
+
+	if( current_dir_tab.empty() )
+		return 4;
+
+	if( temp_link_to.empty() )
+	{
+		CopyDirTab(current_dir_tab, out_dir_tab);
+		return 0;
+	}
+
+	if( temp_link_to[0] == '/' )
+	{
+		// temp_link_to is an absolute path
+		Item * pdir = GetRootDir();
+
+		if( !pdir )
+			return 3;
+
+		out_dir_tab.clear();
+		out_dir_tab.push_back(pdir);
+	}
+	else
+	{
+		// temp_link_to is a relative path
+		CopyDirTab(current_dir_tab, out_dir_tab);
+	}
+
+return FollowLink(out_dir_tab, temp_link_to, out_item);
+}
+
+
+
+
+
+
+
+void Dirs::SplitPath(const std::wstring & path, std::wstring & dir, std::wstring & file)
+{
+	std::wstring::size_type i;
+	
+	dir.clear();
+	file.clear();
+	
+	if( path.empty() )
+		// !! moze dir ustawic na '/' ?
+		return;
+	
+	for( i=path.size()-1 ; i>0 && path[i]!='/' ; --i);
+
+	if( path[i] != '/' )
+	{
+		//	we do not have any slashes '/'
+		file = path;
+		return;		
+	}
+	
+	dir.assign(path, 0, i + 1); // +1 means with a slash at the end
+	
+	if( i < path.size() - 1 )
+		file.assign(path, i+1, path.size() - i - 1);
+}
+
+
+// !! dodac kasowanie z bazy
+bool Dirs::DelDir(long dir_id)
+{
+	return dir_tab.DelById(dir_id);
+}
+
+
+Error Dirs::AddDirectory(Item & item, bool add_to_dir_tab, Item ** pdir, int notify_code)
+{
+	if( pdir )
+		*pdir = 0;
+
+	if( item.type != Item::dir )
+		return WINIX_ERR_DIR_EXPECTED;
+
+	Error status = db->AddItem(item);
+
+	if( status == WINIX_ERR_OK )
+	{
+		Item * d = AddDir(item);
+		
+		if( add_to_dir_tab && !cur->request->dir_tab.empty() && cur->request->dir_tab.back()->id == item.parent_id )
+			cur->request->dir_tab.push_back(d);
+
+		if( pdir )
+			*pdir = d;
+
+		if( notify_code )
+			notify->ItemChanged(notify_code, item);
+	}
+
+return status;
+}
+
+
+
+Item * Dirs::CreateVarDir()
+{
+	Item * var = GetVarDir();
+
+	if( var )
+		return var;
+
+	Item v;
+	Item * root = GetRootDir();
+
+	if( root )
+	{
+		v.parent_id  = root->id;
+		v.user_id    = root->user_id;
+		v.group_id   = root->group_id;
+		v.privileges = root->privileges;
+		v.subject    = L"var";
+		v.url        = L"var";
+		v.type       = Item::dir;
+
+		AddDirectory(v, false, &var);
+	}
+
+return var;
+}
+
+
+// printing first and last slash
+void Dirs::LogDir(const std::vector<Item*> & dir_tab)
+{
+	log << '/';
+
+	// skipping the first (root) directory
+	for(size_t i=1 ; i<dir_tab.size() ; ++i)
+		log << dir_tab[i]->url << '/';
+}
+
+
+
+
+} // namespace Winix
+

winixd/core/dirs.h

@@ -0,0 +1,152 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_dirs
+#define headerfile_winix_core_dirs
+
+
+#include <vector>
+#include <map>
+#include <string>
+
+#include "item.h"
+#include "dircontainer.h"
+#include "db/db.h"
+#include "request.h"
+#include "notify/notify.h"
+
+
+namespace Winix
+{
+
+
+// !! IMPROVE ME 
+// we do not support '..' in a path (for simplicity and security reasons)
+// (we will support '..' in the future)
+
+
+class Dirs
+{
+public:
+
+	void Clear();
+	void ReadDirs();
+
+	void SetCur(Cur * pcur);
+	void SetDb(Db * pdb);
+	void SetNotify(Notify * pnotify);
+
+	// these methods return false if there is no such a dir
+	bool IsDir(long dir_id);
+	bool GetDirChilds(long parent_id, std::vector<Item*> & childs_tab); // !! zamienic na GetChilds()
+	bool MakePath(long dir_id, std::wstring & path, bool clear_path = true);
+	void MakePath(const std::vector<Item*> dir_tab, std::wstring & path, bool clear_path = true);
+	bool ChangeParent(long dir_id, long new_parent_id);
+
+	bool HasParent(long dir_id, long parent_id);
+
+	bool DelDir(long dir_id);
+
+	// if returns true then out_dir_tab is not empty
+	bool CreateDirTab(long dir_id, std::vector<Item*> & out_dir_tab);
+
+	void LogDir(const std::vector<Item*> & dir_tab);
+
+	int AnalyzePath(const std::wstring & path, long & dir_id, std::wstring & dir, std::wstring & file);
+	int FollowLink(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
+				   std::vector<Item*> & out_dir_tab, std::wstring & out_item);
+	static void SplitPath(const std::wstring & path, std::wstring & dir, std::wstring & file);
+
+	DirContainer::ParentIterator FindFirstChild(long parent_id);
+	DirContainer::ParentIterator NextChild(DirContainer::ParentIterator i);
+	DirContainer::ParentIterator ParentEnd(); // !! pozostalo do zamiany na child
+
+
+	// these methods return null if there is no such a dir 
+	// !! zmienic nazwy wskazujace ze operujemy tylko na lokalnej tablicy
+	Item * GetRootDir();
+	Item * GetEtcDir();
+	Item * GetVarDir();
+
+	Item * GetDir(const wchar_t * name, long parent);
+	Item * GetDir(const std::wstring & name, long parent);
+	Item * GetDir(const wchar_t * path);
+	Item * GetDir(const std::wstring & path);
+	Item * GetDir(long id);
+	Item * AddDir(const Item & item);
+	
+	void CheckRootDir();
+
+	Item * CreateVarDir();
+
+	// !! jak juz wczesniejsze nazwy beda zmienione to tutaj damy AddDir() /AddDir() juz istnieje przeciez?/
+	Error AddDirectory(Item & item, bool add_to_dir_tab = false, Item ** pdir = 0, int notify_code = 0);
+	
+	// returns how many levels of directories there are
+	// "/"        -> 0  (root dir)
+	// "/abc"     -> 1
+	// "/abc/def" -> 2
+	size_t DirLevel(long id);
+
+	// checking if child_id is really a child of parent_id
+	bool IsChild(long parent_id, long child_id);
+
+private:
+
+	Cur    * cur;
+	Db     * db;
+	Notify * notify;
+
+	DirContainer dir_tab;
+	std::wstring temp_path;
+	std::wstring temp_link_to;
+
+	size_t AnalyzeDir(Item * pdir, const std::wstring & path, long & dir_id, std::wstring & dir);
+	bool AnalyzeDir(std::vector<Item*> & dir_tab, const std::wstring & link_to, size_t & i);
+	std::wstring analyze_temp;
+	std::wstring get_dir_temp;
+
+	void CopyDirTab(const std::vector<Item*> & in, std::vector<Item*> & out);
+	int FollowLink(std::vector<Item*> & dir_tab, const std::wstring & link_to, std::wstring & out_item);
+
+	bool ExtractName(const wchar_t * & s, std::wstring & name);
+	bool HasReadExecAccessForRoot(const Item & item);
+	
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/error.h

@@ -0,0 +1,111 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_error
+#define headerfile_winix_core_error
+
+
+namespace Winix
+{
+
+
+
+#define WINIX_ERR_OK							0
+//#define WINIX_ERR_INCORRECT_PATH				1
+
+//#define WINIX_ERR_NO_POSTVAR					2
+#define WINIX_ERR_INCORRECT_DIR					3
+#define WINIX_ERR_CANT_CHANGE_USER				4
+#define WINIX_ERR_CANT_CHANGE_GROUP				5
+#define WINIX_ERR_CANT_CHANGE_PRIVILEGES		6
+#define WINIX_ERR_PERMISSION_DENIED				7
+#define WINIX_ERR_NO_ROOT_DIR					8
+#define WINIX_ERR_NO_FUNCTION					9
+
+
+#define WINIX_ERR_NO_ITEM						10
+#define WINIX_ERR_UNKNOWN_PARAM					11
+
+#define WINIX_ERR_MOUNT_UNKNOWN					12
+#define WINIX_ERR_UNKNOWN_FILESYSTEM			13
+#define WINIX_ERR_NO_MOUNTPOINT					14
+//#define WINIX_ERR_MOUNT_NO_PARAM				15
+
+#define WINIX_ERR_NO_THREAD						16
+#define WINIX_ERR_EMPTY							17
+#define WINIX_ERR_SPAM							18
+#define WINIX_ERR_INCORRECT_REBUS				19
+
+
+
+#define WINIX_ERR_NO_BOUNDARY					20
+#define WINIX_ERR_BROKEN_INPUT					21
+#define WINIX_ERR_INPUT_TOO_LARGE				22
+#define WINIX_ERR_CANT_CREATE_FILE				23
+
+#define WINIX_ERR_NO_TICKET						24
+
+//#define WINIX_ERR_PASSWORDS_DIFFERENT			25
+//#define WINIX_ERR_PASSWORD_TOO_SHORT			26
+//#define WINIX_ERR_USER_EXISTS					27
+//#define WINIX_ERR_LOGIN_EMPTY					28
+#define WINIX_DIFFERENT_MOUNT_POINTS			29
+
+
+#define WINIX_ERR_DB_FATAL_ERROR_DURING_CONNECTING	100
+#define WINIX_ERR_DB_INCORRECT_QUERY			101
+#define WINIX_ERR_DB_INCORRENT_RESULT_STATUS	102
+#define WINIX_ERR_DB_NO_COLUMN					103
+#define WINIX_ERR_DB_INCORRECT_LOGIN			104
+#define WINIX_ERR_DB_MORE_THAN_ONE_LOGIN		105
+#define WINIX_ERR_DB_ERR_CURRVAL				106
+
+#define WINIX_ERR_FILE_EXPECTED					107
+#define WINIX_ERR_DIR_EXPECTED					108
+
+//#define WINIX_ERR_UNKNOWN						1000
+#define WINIX_NOTHING_TO_DO						109
+#define WINIX_ERR_INCORRECT_URI					110
+
+#define WINIX_ERR_INTERNAL_ERROR				2000
+
+
+typedef int Error;
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/group.h

@@ -0,0 +1,74 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_group
+#define headerfile_winix_core_group
+
+#include <string>
+#include <vector>
+
+
+namespace Winix
+{
+
+
+
+struct Group
+{
+	long id;
+	std::wstring name; // group name
+	std::vector<long> members; // users id
+	
+	Group()
+	{
+		Clear();
+	}
+	
+	
+	void Clear()
+	{
+		id = -1;
+		name.clear();
+		members.clear();	
+	}
+	
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/groups.cpp

@@ -0,0 +1,126 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "groups.h"
+
+
+namespace Winix
+{
+
+
+
+Groups::Groups()
+{
+	Clear();
+}
+
+
+void Groups::Clear()
+{
+	table.Clear();
+}
+
+
+void Groups::ReadGroups(Db * db)
+{
+	Clear();
+	
+	db->GetGroups(table);	
+}
+
+
+Group * Groups::GetGroup(long group_id)
+{
+	Table::Iterator i = table.FindId(group_id);
+	
+	if( i == table.End() )
+		return 0;
+	
+return &(*i);
+}
+
+
+Group * Groups::GetGroup(const std::wstring & name)
+{
+	Table::Iterator i = table.FindName(name);
+	
+	if( i == table.End() )
+		return 0;
+	
+return &(*i);
+}
+
+
+long Groups::GetGroupId(const std::wstring & name)
+{
+	Group * pgroup = GetGroup(name);
+	
+	if( !pgroup )
+		return -1;	
+	
+return pgroup->id;
+}
+
+
+
+Groups::Iterator Groups::Begin()
+{
+	return table.Begin();
+}
+
+
+
+Groups::Iterator Groups::End()
+{
+	return table.End();
+}
+
+
+
+Groups::SizeType Groups::Size()
+{
+	return table.Size();
+}
+
+
+bool Groups::Remove(long group_id)
+{
+	return table.Remove(group_id);
+}
+
+
+
+
+} // namespace Winix
+

winixd/core/groups.h

@@ -0,0 +1,81 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_groups
+#define headerfile_winix_core_groups
+
+#include <map>
+
+#include "group.h"
+#include "ugcontainer.h"
+#include "db/db.h"
+
+
+namespace Winix
+{
+
+
+
+class Groups
+{
+typedef UGContainer<Group> Table;
+
+Table table;
+
+public:
+
+	typedef Table::Iterator Iterator;
+	typedef Table::SizeType SizeType;
+
+	Groups();
+	void Clear();
+	void ReadGroups(Db * db);
+	Group * GetGroup(long group_id);
+	Group * GetGroup(const std::wstring & name);
+	long GetGroupId(const std::wstring & name);
+	Iterator Begin();
+	Iterator End();
+	SizeType Size();
+	bool Remove(long group_id);
+
+};
+
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/htmlfilter.h

@@ -0,0 +1,346 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef headerfile_winix_core_htmlfilter
+#define headerfile_winix_core_htmlfilter
+
+#include <string>
+#include <map>
+#include <vector>
+#include <algorithm>
+
+
+namespace Winix
+{
+
+
+
+
+// max length of a name of a html tag (with terminating null)
+#define WINIX_HTMLFILTER_ITEM_NAME_MAXLEN	30
+
+// max length of a html lang attribute (e.g. "en", "pl")
+#define WINIX_HTMLFILTER_ITEM_LANG_MAXLEN	10
+
+
+#define WINIX_HTMLFILTER_ATTR_NAME_MAXLEN	40
+
+
+#define WINIX_HTMLFILTER_ATTR_VALUE_MAXLEN	500
+
+
+// depth of the html tree
+#define WINIX_HTMLFILTER_STACK_MAXLEN		100
+
+// length of a buffer used for printing
+// it should be at least: WINIX_HTMLFILTER_ITEM_NAME_MAXLEN+3
+#define WINIX_HTMLFILTER_BUFFER_MAXLEN	2048
+
+
+
+
+/*!
+	very lightweight filter for html
+	(without using any dynamic memory - some memory is allocated only at the beginning - in ctors)
+	this filter has O(n) complexity over the whole html string
+
+	such tags as: <script> <pre> <textarea> are treated in a special way
+	all characters between the opening and closing tag (<script>....</script>) are untouched
+
+	if the filter finds that there are not closed tags it will close them,
+	if the filter finds a closing tag which doesn't have an opening tag - it will skip it
+
+	tags which don't need to be closed: meta, input, br, img, link
+	look at CheckExceptions() method
+
+	the filter recognizes xml simple tags (with / at the end) such as: <br />
+*/
+class HTMLFilter
+{
+public:
+
+	enum OrphanMode
+	{
+		orphan_nbsp,		// putting "&nbsp;" string
+		orphan_160space		// putting 160 ascii code
+	};
+
+	HTMLFilter();
+	HTMLFilter(const HTMLFilter & f);
+	HTMLFilter & operator=(const HTMLFilter & f);
+	~HTMLFilter();
+
+
+	// main methods used for filtering
+	void Filter(const wchar_t * in, std::wstring & out);
+	void Filter(const std::wstring & in, std::wstring & out);
+
+
+	// insert a white space into long words
+	// (only between html tags)
+	// skipped in such tags: script, pre, textarea
+	// break_after - after how many characters insert a space (0 - off)
+	void BreakWord(size_t break_after_);
+
+	// insert a new line character into long lines
+	// (only between html tags)
+	// skipped in such tags: script, pre, textarea
+	// wrap_line - after how many characters wrap a line (0 - off)
+	// lines are wrapped only in 'body' tag (useful for text in 'title' tag which is in 'head' section)
+	void WrapLine(size_t wrap_line_);
+
+	// trimming white characters (with new lines)
+	// at the beginning, at the end and in the middle of a string
+	// only between html tags
+	// at the beginning and at the end only one space is left
+	// skipped in such tags: script, pre, textarea
+	// false by default
+	void TrimWhite(bool trim);
+
+
+	// first tabs in a tree
+	// default: 2 (spaces)
+	// set 0 to turn off
+	void InsertTabs(size_t tabsize);
+
+
+	// set a name of a html tag which will be used as 'nofilter' tag
+	// elements between such tags are not filtered (similarly as in <pre> and <textarea>)
+	// these tags (opening and closing) will no be placed in the html output
+	void SetNoFilterTag(const std::wstring & tag_name);
+
+	// orphans are checked only in 'body' tag
+	void AssignOrphans(const wchar_t * lang_code,      const std::vector<std::wstring> & otab);
+	void AssignOrphans(const std::wstring & lang_code, const std::vector<std::wstring> & otab);
+	void ClearOrphans();
+
+
+	// check 'orphans' for the specicic language
+	// if an orphan is detected then the non-break space ("&nbsp;" or ascii 160 code) will be put
+	// default disable (lang_none)
+	void OrphansMode(OrphanMode mode = orphan_nbsp);
+
+
+	// skipping some unsafe tags
+	// (script, iframe, frame, frameset, applet, head, meta, html, link, body, ...)
+	void SafeMode(bool safe_mode_);
+
+
+
+protected:
+
+	// orphans for one language
+	struct Orphans
+	{
+		std::vector<std::wstring> tab;
+		size_t max_len;
+	};
+
+
+	// orphans for all languages
+	// map<language_code, Orphans>
+	typedef std::map<std::wstring, Orphans> OrphansTab;
+	OrphansTab orphans_tab;
+
+	// html <nofilter> tag name
+	std::wstring no_filter_tag;
+
+
+	struct Item
+	{
+		std::wstring name; // max size: WINIX_HTMLFILTER_ITEM_NAME_MAXLEN
+
+		enum Type
+		{
+			opening,		/* sample:  <h1>		*/
+			closing,		/* sample:  </h1>		*/
+			simple,			/* sample:  <br/>		*/
+			special,		/* sample:  <!doctype>	*/
+			none
+		} type;
+
+		// is there a new line after this tag
+		bool new_line;
+
+		// current orphans table
+		// (will be propagated)
+		Orphans * porphans;
+
+		// this item or one from its parents is a 'body' html tag
+		// (will be propagated)
+		bool has_body_tag;
+
+		void Clear();
+		Item();
+	};
+
+
+
+
+
+
+	/*
+		virtual methods
+	*/
+	virtual void Init();
+	virtual void Uninit();
+
+	virtual bool IsOpeningTagMark();
+	virtual bool IsOpeningCommentaryTagMark();
+	virtual bool IsClosingTagMark();
+	virtual bool IsClosingXmlSimpleTagMark();
+
+	virtual bool IsValidCharForName(int c);
+	virtual bool IsValidCharForAttrName(int c);
+	virtual void CheckExceptions();
+	virtual bool SkipCommentaryTagIfExists();
+
+	virtual void Put(wchar_t c);
+	virtual void Put(const wchar_t * str);
+	virtual void Put(const wchar_t * str, const wchar_t * end);
+	virtual void Put(const std::wstring & str);
+
+	virtual void PutOpeningTagMark();
+	virtual void PutClosingTagMark();
+	virtual bool PutOpeningTag();
+	virtual void PutClosingTag(const wchar_t * tag);
+
+	virtual void PutNormalText(const wchar_t * str, const wchar_t * end);
+	virtual void ReadNormalTextSkipWhite(const wchar_t * & start, const wchar_t * & last_non_white);
+
+
+	/*
+		others
+	*/
+	Item & GetItem(size_t i);
+	Item & LastItem();
+
+	wchar_t ToLower(wchar_t c);
+	void    ToLower(std::wstring & str);
+
+	bool IsNameEqual(const wchar_t * name1,      const wchar_t * name2);
+	bool IsNameEqual(const wchar_t * name1,      const std::wstring & name2);
+	bool IsNameEqual(const std::wstring & name1, const wchar_t * name2);
+	bool IsNameEqual(const std::wstring & name1, const std::wstring & name2);
+
+	bool IsNameEqual(const wchar_t * name1,      const wchar_t * name2,      size_t len);
+	bool IsNameEqual(const wchar_t * name1,      const std::wstring & name2, size_t len);
+	bool IsNameEqual(const std::wstring & name1, const wchar_t * name2,      size_t len);
+	bool IsNameEqual(const std::wstring & name1, const std::wstring & name2, size_t len);
+
+	bool IsLastTag(const wchar_t * name);
+	bool IsLastTag(const std::wstring & name);
+	bool IsTagSafe(const wchar_t * tag);
+	bool IsTagSafe(const std::wstring & tag);
+
+	int  CheckOrphan(const wchar_t * str, const wchar_t * end, const std::wstring & orphan_str);
+	bool CheckOrphan(const wchar_t * str, const wchar_t * end, const std::vector<std::wstring> & orphans);
+	bool CheckOrphan(const wchar_t * str, const wchar_t * end);
+
+	bool IsWhite(int c);
+	void SkipWhite();
+	void SkipWhiteLines();
+	void SkipWhiteWithFirstNewLine();
+	void SkipWhiteLines(const wchar_t * & str, const wchar_t * end);
+	bool IsClosingTagForLastItem();
+	size_t OpeningCommentaryTagMarkSize();
+	void SkipAndCheckClosingTag();
+
+	void PopStack();
+	bool PushStack();
+	void CheckNewLine();
+	void CheckStackPrintRest();
+	void AddForgottenTags();
+	void CheckClosingTags();
+	void ReadNormalText();
+	bool PrintRest();
+	bool PrintOpeningItem();
+	void ReadItemName();
+	void ReadItemAttrName();
+	void ReadItemAttrValue(bool has_quote);
+
+	bool ReadItemAttr();
+	bool CheckItemAttr();
+	void PrintItemAttr();
+
+	void ReadItemClosing();
+	void ReadItemSpecial();
+	void ReadItemOpening();
+	bool ReadItem();
+	void ReadLoop();
+	void Read();
+
+	void CheckChar(wchar_t c);
+
+	void CheckLineWrap();
+	bool HasSemiloconAround(const wchar_t * str, const wchar_t * end);
+	void PutNormalNonWhite(const wchar_t * & str, const wchar_t * end);
+	void PutNormalWhite(const wchar_t * & str, const wchar_t * end);
+	void PutLastTagWithClosingTag();
+	void PutTextBetweenLastTagWithClosingTag();
+	void PutTabs(size_t len);
+	void PutNonBreakingSpace();
+	void PutNewLine();
+	void CalcOrphansMaxLen(Orphans & orphans);
+
+	const wchar_t * pchar;
+	Item empty;
+	Item * pstack;			// stack pointer
+	size_t stack_len;		// length of the stack
+	wchar_t * buffer;		// buffer used when printing
+	std::wstring * out_string;
+	bool last_new_line;
+	size_t break_after;		// insert a space into long words after 'break_after' characters
+	size_t wrap_line;		// insert a new line character into long lines
+	bool trim_white;		// trimming white characters
+	size_t tab_size;
+	OrphanMode orphan_mode;
+	std::wstring attr_name;
+	std::vector<std::wstring> attr_value;
+	std::wstring attr_value_temp;
+	std::wstring attr_value_lower;
+	bool attr_has_value;
+	std::wstring lang_code_lower;
+	size_t line_len;		//length of the current line (without first spaces which create the html tree)
+	bool safe_mode;			// skipping some unsafe tags
+	Orphans orphans_temp;
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/httpsimpleparser.cpp

@@ -0,0 +1,273 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "httpsimpleparser.h"
+#include "misc.h"
+#include "utf8/utf8.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+void HttpSimpleParser::ToLower(std::wstring & s)
+{
+	for(wchar_t & c : s)
+	{
+		if( c>='A' && c<='Z' )
+			c = c - 'A' + 'a';
+	}
+}
+
+
+bool HttpSimpleParser::IsWhite(int c)
+{
+	if( c==' ' || c=='\t' )
+		return true;
+		
+return false;
+}
+
+
+void HttpSimpleParser::SkipWhiteChars()
+{
+	while( IsWhite(last_c) )
+		last_c = GetChar();
+}
+
+
+
+
+
+int HttpSimpleParser::ParseHalfHex(int c)
+{
+	if( c>='a' && c<='z' )
+		c += 'A' - 'a';  // to upper case
+
+
+	if( c >= 'A' )
+		c = c - 'A' + 10;
+	else
+		c = c - '0';
+	
+	c &= 0xf;
+	
+	
+return c;
+}
+
+
+
+
+void HttpSimpleParser::CheckSpecialChar()
+{
+	if( last_c == '%' )
+	{
+		int c1 = GetChar();
+		int c2 = GetChar();
+		
+		if( c1==-1 || c2==-1 )
+		{
+			last_c = -1;
+		}
+		else
+		{	
+			c1 = ParseHalfHex(c1);
+			c2 = ParseHalfHex(c2);
+			
+			last_c = (c1 << 4) + c2;
+		}
+	}
+	else
+	if( last_c == '+' )
+	{
+		last_c = ' ';
+	}
+}
+
+
+
+void HttpSimpleParser::ReadName()
+{
+	// we're checking 'separator' and '=' because the string is allowed not having '=' (the value is optional)
+	
+	utf8_token.clear();
+	last_name.clear();
+
+	for( ; last_c!=-1 && last_c!=separator && last_c!='=' ; last_c = GetChar() )
+	{
+		if( recognize_special_chars )
+			CheckSpecialChar();
+		 
+		 if( last_c != -1 )
+		 {
+			if( getchar_returns_utf8_chars )
+				utf8_token += last_c;
+			else
+				last_name += last_c;
+		 }
+	}
+	
+	if( getchar_returns_utf8_chars )
+		PT::UTF8ToWide(utf8_token, last_name);
+	
+	if( last_c == '=' )
+		last_c = GetChar();
+}
+
+
+
+void HttpSimpleParser::ReadQuotedValue()
+{
+	// skipping '"'
+	last_c = GetChar();
+	utf8_token.clear();
+	last_value.clear();
+	
+	for( ; last_c!=-1 && last_c!='"' ; last_c = GetChar() )
+	{
+		if( recognize_special_chars )
+			CheckSpecialChar();
+		
+		if( last_c != -1 )
+		{
+			if( getchar_returns_utf8_chars )
+				utf8_token += last_c;
+			else
+				last_value += last_c;
+		}
+	}
+
+	if( getchar_returns_utf8_chars )
+		PT::UTF8ToWide(utf8_token, last_value);
+	
+	if( last_c == '"' )
+		last_c = GetChar();
+
+	// looking for a separator (skipping)
+	for( ; last_c!=-1 && last_c!=separator ; last_c = GetChar() );
+	
+}
+
+
+void HttpSimpleParser::ReadNormalValue()
+{
+	utf8_token.clear();
+	last_value.clear();
+
+	for( ; last_c!=-1 && last_c!=separator ; last_c = GetChar() )
+	{
+		if( recognize_special_chars )
+			CheckSpecialChar();
+
+		if( last_c != -1 )
+		{
+			if( getchar_returns_utf8_chars )
+				utf8_token += last_c;
+			else
+				last_value += last_c;
+		}
+	}
+
+	if( getchar_returns_utf8_chars )
+		PT::UTF8ToWide(utf8_token, last_value);
+}
+
+
+void HttpSimpleParser::ReadValue()
+{
+	if( skip_white_chars )
+		SkipWhiteChars();
+
+	if( value_can_be_quoted && last_c == '"' )
+		ReadQuotedValue();
+	else
+		ReadNormalValue();
+
+
+	if( last_c == separator )
+		last_c = GetChar();
+}
+
+
+
+
+/*
+ * there can be some important values like passwords so its better
+ * to clear them now
+ */
+void HttpSimpleParser::Clear()
+{
+	Overwrite(last_name);
+	Overwrite(last_value);
+	Overwrite(utf8_token);
+	last_name.clear();
+	last_value.clear();
+	utf8_token.clear();
+}
+
+
+void HttpSimpleParser::Parse()
+{
+	for( last_c = GetChar() ; last_c != -1 ;  )
+	{
+		last_name.clear();
+		last_value.clear();
+
+		if( read_name )
+			ReadName();
+
+		ReadValue();
+
+		if( skip_white_chars )
+		{		
+			TrimWhite(last_name);
+			TrimWhite(last_value);
+		}
+
+		Parameter(last_name, last_value);	// user definied function	
+	}
+
+	Clear();
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/httpsimpleparser.h

@@ -0,0 +1,107 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_httpsimpleparser
+#define headerfile_winix_core_httpsimpleparser
+
+#include <string>
+
+
+namespace Winix
+{
+
+
+
+class HttpSimpleParser
+{
+protected:
+
+	bool read_name;
+	bool value_can_be_quoted;
+	bool skip_white_chars;
+	bool recognize_special_chars;
+	
+	// if false then GetChar() returns wide characters (converted to int)
+	// if true then GetChar() returns utf8 characters (we have to convert them from utf8 to wide chars)
+	bool getchar_returns_utf8_chars;
+
+	int  ParseHalfHex(int c);
+	void ReadName();
+	void ReadQuotedValue();
+	void ReadNormalValue();
+	void ReadValue();
+	void Clear();
+
+	std::wstring last_name;
+	std::wstring last_value;
+	std::string utf8_token;
+
+	int last_c;
+	int separator;
+
+	// '-1' means end (eof)
+	// when there is an eof this method can be called more than once (it should always return -1 in such a case)
+	virtual int GetChar() = 0;
+	virtual void Parameter(std::wstring & last_name, std::wstring & last_value) = 0;
+
+	void ToLower(std::wstring & s);
+	bool IsWhite(int c);
+	
+	void SkipWhiteChars();
+	void CheckSpecialChar();
+
+	void Parse();
+	
+	
+public:
+
+
+	HttpSimpleParser()
+	{
+		separator = '&';
+		read_name = true;
+		value_can_be_quoted        = false;
+		skip_white_chars           = false;
+		recognize_special_chars    = true;
+		getchar_returns_utf8_chars = false;
+	}
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/image.cpp

@@ -0,0 +1,631 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <ctime>
+#include "image.h"
+#include "utf8/utf8.h"
+#include "log.h"
+#include "system.h"
+#include "plugin.h"
+#include "lock.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+void Image::SetDb(Db * pdb)
+{
+	db = pdb;
+}
+
+
+void Image::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+void Image::SetSystem(System * psystem)
+{
+	system = psystem;
+}
+
+
+
+// first thread (objects locked)
+Image::Scale Image::GetImageScale(long dir_id)
+{
+Scale scale;
+
+	Mount * m 	= system->mounts.CalcMount(dir_id);
+	scale.cx	= config->image_cx;
+	scale.cy	= config->image_cy;
+	scale.aspect_mode	= config->image_mode;
+	scale.quality		= config->image_quality;
+
+	// reading width and height from the mount point (if exists)
+	int index = system->mounts.MountParImageSize();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 2 )
+	{
+		scale.cx = Tol(m->param[index].arg[0]);
+		scale.cy = Tol(m->param[index].arg[1]);
+	}
+
+	// reading image mode from the mount point (if exists)
+	index = system->mounts.MountParImageMode();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 1 )
+		scale.aspect_mode = Toi(m->param[index].arg[0]);
+
+	// reading image quality from the mount point (if exists)
+	index = system->mounts.MountParImageQuality();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 1 )
+		scale.quality = Toi(m->param[index].arg[0]);
+
+return scale;
+}
+
+
+
+// first thread (objects locked)
+Image::Scale Image::GetThumbScale(long dir_id)
+{
+Scale scale;
+
+	Mount * m	= system->mounts.CalcMount(dir_id);
+	scale.cx	= config->thumb_cx;
+	scale.cy	= config->thumb_cy;
+	scale.aspect_mode	= config->thumb_mode;
+	scale.quality		= config->thumb_quality;
+
+	// reading width and height from the mount point (if exists)
+	int index = system->mounts.MountParThumbSize();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 2 )
+	{
+		scale.cx = Tol(m->param[index].arg[0]);
+		scale.cy = Tol(m->param[index].arg[1]);
+	}
+
+	// reading thumb mode from the mount point (if exists)
+	index = system->mounts.MountParThumbMode();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 1 )
+		scale.aspect_mode = Toi(m->param[index].arg[0]);
+
+	// reading image quality from the mount point (if exists)
+	index = system->mounts.MountParThumbQuality();
+
+	if( m && m->param[index].defined && m->param[index].arg.size() == 1 )
+		scale.quality = Toi(m->param[index].arg[0]);
+
+return scale;
+}
+
+
+
+
+// first thread (objects locked)
+void Image::Resize(long file_id, size_t cx, size_t cy, int aspect_mode, int quality)
+{
+	item_temp.type			= WINIX_IMAGE_TYPE_RESIZE;
+	item_temp.file_id		= file_id;
+	item_temp.cx			= cx;
+	item_temp.cy			= cy;
+	item_temp.aspect_mode	= aspect_mode;
+	item_temp.quality		= quality;
+
+	CheckParam(item_temp);
+	image_tab.insert(image_tab.end(), item_temp);
+	WakeUpThread();
+}
+
+
+
+// first thread (objects locked)
+void Image::CreateThumb(long file_id, size_t thumb_cx, size_t thumb_cy, int aspect_mode, int quality)
+{
+	item_temp.type			= WINIX_IMAGE_TYPE_CREATE_THUMB;
+	item_temp.file_id		= file_id;
+	item_temp.thumb_cx		= thumb_cx;
+	item_temp.thumb_cy		= thumb_cy;
+	item_temp.aspect_mode	= aspect_mode;
+	item_temp.quality		= quality;
+
+	CheckParam(item_temp);
+	image_tab.insert(image_tab.end(), item_temp);
+	WakeUpThread();
+}
+
+
+
+// first thread (objects locked)
+void Image::Crop(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy, int quality)
+{
+	item_temp.type			= WINIX_IMAGE_TYPE_CROP;
+	item_temp.file_id		= file_id;
+	item_temp.xoffset		= xoffset;
+	item_temp.yoffset		= yoffset;
+	item_temp.cx			= cx;
+	item_temp.cy			= cy;
+	item_temp.quality		= quality;
+
+	CheckParam(item_temp);
+	image_tab.insert(image_tab.end(), item_temp);
+	WakeUpThread();
+}
+
+
+
+// first thread (objects locked)
+void Image::CropThumb(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy, int quality)
+{
+	item_temp.type			= WINIX_IMAGE_TYPE_CROP_THUMB;
+	item_temp.file_id		= file_id;
+	item_temp.xoffset		= xoffset;
+	item_temp.yoffset		= yoffset;
+	item_temp.cx			= cx;
+	item_temp.cy			= cy;
+	item_temp.quality		= quality;
+
+	CheckParam(item_temp);
+	image_tab.insert(image_tab.end(), item_temp);
+	WakeUpThread();
+}
+
+
+
+// first thread (objects locked)
+void Image::CropNewThumb(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy,
+						 size_t thumb_cx, size_t thumb_cy, int aspect_mode, int quality)
+{
+	item_temp.type			= WINIX_IMAGE_TYPE_CREATE_CROP_NEW_THUMB;
+	item_temp.file_id		= file_id;
+	item_temp.xoffset		= xoffset;
+	item_temp.yoffset		= yoffset;
+	item_temp.cx			= cx;
+	item_temp.cy			= cy;
+	item_temp.thumb_cx		= thumb_cx;
+	item_temp.thumb_cy		= thumb_cy;
+	item_temp.aspect_mode	= aspect_mode;
+	item_temp.quality		= quality;
+
+	CheckParam(item_temp);
+	image_tab.insert(image_tab.end(), item_temp);
+	WakeUpThread();
+}
+
+
+
+
+void Image::CheckParam(ImageItem & item)
+{
+	SetMinMax(item.aspect_mode, 	1, 7);
+	SetMinMax(item.quality, 		0, 100);
+	SetMinMax(item.cx, 				1, 30000);
+	SetMinMax(item.cy, 				1, 30000);
+	SetMinMax(item.thumb_cx,		1, 30000);
+	SetMinMax(item.thumb_cy,		1, 30000);
+	SetMinMax(item.xoffset, 		0, 30000);
+	SetMinMax(item.yoffset, 		0, 30000);
+}
+
+
+
+// second thread (objects locked)
+bool Image::SignalReceived()
+{
+	return !image_tab.empty();
+}
+
+
+
+// second thread (objects not locked)
+void Image::Do()
+{
+ImageTab::iterator i;
+bool end;
+
+	Lock();
+	i = image_tab.begin();
+	Unlock();
+
+	do
+	{
+		class Lock lock_object(synchro);
+		
+		if( i != image_tab.end() )
+		{
+			item_work = *i;
+			image_tab.erase(i++);
+			end = false;
+		}
+		else
+		{
+			end = true;
+		}
+
+		lock_object.Unlock();
+
+		if( !end )
+			CreateImage();
+
+	}
+	while( !end && !IsExitSignal() );
+}
+
+
+
+
+void Image::Add(const std::wstring & in, TextStream<std::string> & out)
+{
+	PT::WideToUTF8(in, add_tempa);
+	out << add_tempa;
+}
+
+
+
+
+void Image::EscapePath(const std::string & path, TextStream<std::string> & out, bool clear_stream)
+{
+	if( clear_stream )
+		out.Clear();
+
+	out << '"';
+
+	for(size_t i=0 ; i<path.size() ; ++i)
+	{
+		if( path[i] == '"' )
+			out << '\\';
+
+		if( path[i] != 0 )
+			out << path[i];
+	}
+
+	out << '\"';
+}
+
+
+
+/*
+from: http://www.imagemagick.org/script/command-line-processing.php#geometry
+
+scale% 				Height and width both scaled by specified percentage.
+scale-x%xscale-y% 	Height and width individually scaled by specified percentages. (Only one % symbol needed.)
+width 				Width given, height automagically selected to preserve aspect ratio.
+xheight 			Height given, width automagically selected to preserve aspect ratio.
+widthxheight 		Maximum values of height and width given, aspect ratio preserved.
+widthxheight^ 		Minimum values of width and height given, aspect ratio preserved.
+widthxheight! 		Width and height emphatically given, original aspect ratio ignored.
+widthxheight> 		Change as per widthxheight but only if an image dimension exceeds a specified dimension.
+widthxheight< 		Change dimensions only if both image dimensions exceed specified dimensions.
+*/
+void Image::SelectAspect(size_t cx, size_t cy)
+{
+	switch( item_work.aspect_mode )
+	{
+	case WINIX_IMAGE_MODE_1:
+		command << cx;
+		break;
+
+	case WINIX_IMAGE_MODE_3:
+		command << cx << "x" << cy;
+		break;
+
+	case WINIX_IMAGE_MODE_4:
+		command << '"' << cx << "x" << cy << "^\"";
+		break;
+
+	case WINIX_IMAGE_MODE_5:
+		command << '"' << cx << "x" << cy << "!\"";
+		break;
+
+	case WINIX_IMAGE_MODE_6:
+		command << '"' << cx << "x" << cy << ">\"";
+		break;
+
+	case WINIX_IMAGE_MODE_7:
+		command << '"' << cx << "x" << cy << "<\"";
+		break;
+
+	case WINIX_IMAGE_MODE_2:
+	default:
+		command << "x" << cy;
+		break;
+	}
+}
+
+
+
+// second thread (objects locked)
+bool Image::CreateInputFileName()
+{
+	bool thumb = (item_work.type == WINIX_IMAGE_TYPE_CROP_THUMB);
+
+	if( thumb && !file_work.has_thumb )
+	{
+		log << log1 << "Image: file id: " << file_work.id << ", url: " << file_work.url
+			<< " doesn't have a thumbnail yet (skipping)" << logend;
+
+		return false;
+	}
+
+	if( system->MakeFilePath(file_work, src_path, thumb) )
+	{
+		PT::WideToUTF8(src_path, input_file_name);
+		return true;
+	}
+	else
+	{
+		log << log1 << "Image: cannot create a source path" << logend;
+		return false;
+	}
+}
+
+
+
+// second thread (objects locked)
+void Image::CreateTmpFileName()
+{
+	stream_tmp_path.Clear();
+	stream_tmp_path << config->upload_dir << L"/tmp/image_" << std::time(0);
+	PT::WideToUTF8(stream_tmp_path.Str(), tmp_file_name);
+}
+
+
+
+// second thread (objects are not locked)
+bool Image::CreateCommand()
+{
+	class Lock lock_object(synchro);
+
+	iq.SetAll(true, false);
+	iq.WhereId(item_work.file_id);
+
+	// the file could have been changed especially when there is a long queue of files
+	if( db->GetItem(file_work, iq) != WINIX_ERR_OK )
+		return false;
+
+	if( !CreateInputFileName() )
+		return false;
+
+	command.Clear();
+	Add(config->convert_cmd, command);
+
+	command << " ";
+	EscapePath(input_file_name, command, false);
+	command << " -quiet -quality " << item_work.quality;
+		
+	if( item_work.type == WINIX_IMAGE_TYPE_RESIZE )
+	{
+		command << " -resize ";
+		SelectAspect(item_work.cx, item_work.cy);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CREATE_THUMB )
+	{
+		command << " -strip -thumbnail ";
+		SelectAspect(item_work.thumb_cx, item_work.thumb_cy);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CROP )
+	{
+		command << " -crop " << item_work.cx << "x" << item_work.cy
+				<< "+" << item_work.xoffset << "+" << item_work.yoffset << " +repage ";
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CROP_THUMB )
+	{
+		command << " -strip -crop " << item_work.cx << "x" << item_work.cy
+				<< "+" << item_work.xoffset << "+" << item_work.yoffset
+				<< " +repage ";
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CREATE_CROP_NEW_THUMB )
+	{
+		command << " -strip -crop " << item_work.cx << "x" << item_work.cy
+				<< "+" << item_work.xoffset << "+" << item_work.yoffset
+				<< " +repage -thumbnail ";
+		SelectAspect(item_work.thumb_cx, item_work.thumb_cy);
+	}
+
+	CreateTmpFileName();
+
+	command << " ";
+	EscapePath(tmp_file_name, command, false);
+
+	log << log4 << "Image: running: " << command.Str() << logend;
+
+
+return true;
+}
+
+
+
+
+// second thread (objects are locked)
+void Image::ImageSavedCorrectly()
+{
+	if( item_work.type == WINIX_IMAGE_TYPE_CREATE_THUMB )
+	{
+		if( !file_work.has_thumb )
+		{
+			file_work.has_thumb = true;
+			db->EditHasThumbById(true, file_work.id);
+		}
+
+		log << log3 << "Image: generated a thumbnail: " << dst_path << logend;
+		plugin.Call((Session*)0, WINIX_CREATED_THUMB, &file_work);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_RESIZE )
+	{
+		log << log3 << "Image: image resized: " << dst_path << logend;
+		plugin.Call((Session*)0, WINIX_IMAGE_RESIZED, &file_work);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CROP )
+	{
+		log << log3 << "Image: image cropped: " << dst_path << logend;
+		// !! IMPROVE ME add a correct message
+		//plugin.Call((Session*)0, WINIX_IMAGE_RESIZED, &file_work);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CROP_THUMB )
+	{
+		log << log3 << "Image: image thumbnail cropped: " << dst_path << logend;
+		// !! IMPROVE ME add a correct message
+		//plugin.Call((Session*)0, WINIX_IMAGE_RESIZED, &file_work);
+	}
+	else
+	if( item_work.type == WINIX_IMAGE_TYPE_CREATE_CROP_NEW_THUMB )
+	{
+		log << log3 << "Image: a new thumbnail from an original image was cropped: " << dst_path << logend;
+		// !! IMPROVE ME add a correct message
+		//plugin.Call((Session*)0, WINIX_IMAGE_RESIZED, &file_work);
+	}
+}
+
+
+// second thread (objects are not locked)
+void Image::SaveImage()
+{
+	class Lock lock_object(synchro);
+
+	// the file could have been changed especially when creating the image lasted too long
+	iq.SetAll(true, false);
+	iq.WhereId(item_work.file_id);
+
+	if( db->GetItem(file_work, iq) == WINIX_ERR_OK )
+	{
+		bool thumb = (item_work.type == WINIX_IMAGE_TYPE_CREATE_THUMB 	||
+					  item_work.type == WINIX_IMAGE_TYPE_CROP_THUMB 	||
+					  item_work.type == WINIX_IMAGE_TYPE_CREATE_CROP_NEW_THUMB );
+
+		if( system->MakeFilePath(file_work, dst_path, thumb, true, config->upload_dirs_chmod, config->upload_group_int) )
+		{
+			if( RenameFile(stream_tmp_path.Str(), dst_path) )
+			{
+				// it doesn't matter for us if there is an error when chmod/chown on a file
+				// the admin (root) will correct it
+				SetPriv(dst_path, config->upload_files_chmod, config->upload_group_int);
+				ImageSavedCorrectly();
+			}
+			else
+			{
+				log << log1 << "Image: cannot move a temporary file: " << stream_tmp_path.Str()
+					<< ", to: " << dst_path << logend;
+
+				Winix::RemoveFile(stream_tmp_path.Str());
+			}
+		}
+		else
+		{
+			log << log1 << "Image: cannot create a destination path" << logend;
+		}
+	}
+}
+
+
+
+// second thread (objects are not locked)
+void Image::CreateImage()
+{
+	if( CreateCommand() )
+	{
+		int res = std::system(command.CStr());
+
+		if( res == 0 )
+		{
+			SaveImage();
+		}
+		else
+		{
+			class Lock lock_object(synchro);
+			log << log3 << "Image: some problems with creating an image"
+				<< ", 'convert' process returned: " << res << logend;
+		}
+	}
+}
+
+
+
+// second thread (objects are not locked)
+// !! there is a problem with GIF files
+// Bus error (core dumped)
+/*
+#include "wand/MagickWand.h"
+
+	// compiler options:
+	// include: -I/usr/local/include/ImageMagick
+	// link with: `MagickWand-config --ldflags --libs`
+
+void Image::CreateThumbnail()
+{
+	PT::WideToUTF8(item_work.source, sourcea);
+	PT::WideToUTF8(item_work.dst,    dsta);
+
+	MagickWandGenesis();
+
+	MagickWand * wand = NewMagickWand();
+
+	if( MagickReadImage(wand, sourcea.c_str()) )
+	{
+		MagickThumbnailImage(wand, item_work.cx, item_work.cy);
+
+		if( MagickWriteImage(wand, dsta.c_str()) )
+		{
+			Lock();
+			log << log3 << "Image: created a thumbnail: " << dsta << logend;
+			Unlock();
+		}
+	}
+
+	DestroyMagickWand(wand);
+
+	MagickWandTerminus();
+}
+*/
+
+
+
+
+} // namespace Winix
+

winixd/core/image.h

@@ -0,0 +1,215 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_image
+#define headerfile_winix_core_image
+
+#include <string>
+#include <list>
+#include "basethread.h"
+#include "textstream.h"
+#include "db/db.h"
+#include "core/item.h"
+#include "core/config.h"
+
+
+namespace Winix
+{
+
+
+
+class System;
+
+
+// aspect modes:
+// Width given, height automagically selected to preserve aspect ratio.
+#define WINIX_IMAGE_MODE_1	1
+
+// Height given, width automagically selected to preserve aspect ratio.
+#define WINIX_IMAGE_MODE_2	2
+
+// Maximum values of height and width given, aspect ratio preserved.
+#define WINIX_IMAGE_MODE_3	3
+
+// Minimum values of width and height given, aspect ratio preserved.
+#define WINIX_IMAGE_MODE_4	4
+
+// Width and height emphatically given, original aspect ratio ignored.
+#define WINIX_IMAGE_MODE_5	5
+
+// Change as per widthxheight but only if an image dimension exceeds a specified dimension.
+#define WINIX_IMAGE_MODE_6	6
+
+// Change dimensions only if both image dimensions are less than specified dimensions.
+#define WINIX_IMAGE_MODE_7	7
+
+
+
+
+// resizing
+#define WINIX_IMAGE_TYPE_RESIZE			1
+
+// generating a thumbnail
+#define WINIX_IMAGE_TYPE_CREATE_THUMB	2
+
+// cropping an image
+#define WINIX_IMAGE_TYPE_CROP			3
+
+// cropping an thumbnail
+#define WINIX_IMAGE_TYPE_CROP_THUMB		4
+
+// creating by cropping a new thumbnail (from an original image)
+#define WINIX_IMAGE_TYPE_CREATE_CROP_NEW_THUMB	5
+
+
+/*
+
+*/
+class Image : public BaseThread
+{
+public:
+
+	struct Scale
+	{
+		size_t cx;
+		size_t cy;
+		int aspect_mode;
+		int quality;
+
+		Scale()
+		{
+			cx = cy = 1;
+			aspect_mode = 2;
+			quality = 100;
+		};
+	};
+
+
+	void SetDb(Db * pdb);
+	void SetConfig(Config * pconfig);
+	void SetSystem(System * psystem);
+
+
+	// returning scale info for a directory
+	Scale GetImageScale(long dir_id);
+
+	// returning scale info (for thumbnails) for a directory
+	Scale GetThumbScale(long dir_id);
+
+
+
+	void Resize(long file_id, size_t cx, size_t cy, int aspect_mode, int quality);
+
+	// creating a new thumbnail from an original image
+	void CreateThumb(long file_id, size_t thumb_cx, size_t thumb_cy, int aspect_mode, int quality);
+
+	// cropping an image (the thumbnail is not changed)
+	void Crop(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy, int quality);
+
+	// cropping an existing thumbnail
+	void CropThumb(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy, int quality);
+
+	// creating and cropping a new thumbnail (from an original image)
+	void CropNewThumb(long file_id, size_t xoffset, size_t yoffset, size_t cx, size_t cy,
+					  size_t thumb_cx, size_t thumb_cy, int aspect_mode, int quality);
+
+
+private:
+
+	Db * db;
+	Config * config;
+	System * system;
+
+	struct ImageItem
+	{
+		int type;		// WINIX_IMAGE_TYPE_*
+		long file_id;
+		size_t cx;
+		size_t cy;
+		size_t xoffset;	// xoffset and yoffset are used when cropping
+		size_t yoffset;
+		size_t thumb_cx;
+		size_t thumb_cy;
+		int aspect_mode;
+		int quality;
+	};
+
+
+	template<typename int_type>
+	void SetMinMax(int_type & var, int var_min, int var_max)
+	{
+		if( static_cast<int>(var) < var_min )
+			var = var_min;
+
+		if( static_cast<int>(var) > var_max )
+			var = var_max;
+	}
+
+
+	// queue of thumbnails to create
+	typedef std::list<ImageItem> ImageTab;
+	ImageTab image_tab;
+	ImageItem item_temp;
+
+	// only for second thread
+	ImageItem item_work;
+	std::wstring src_path, dst_path;
+	TextStream<std::string> command;
+	TextStream<std::wstring> stream_tmp_path;
+	DbItemQuery iq;
+	std::string add_tempa;
+	std::string input_file_name;
+	std::string tmp_file_name;
+	Item file_work;
+
+	virtual bool SignalReceived();
+	virtual void Do();
+	bool CreateCommand();
+	bool CreateInputFileName();
+	void CreateTmpFileName();
+	void SaveImage();
+	void CreateImage();
+	void SelectAspect(size_t cx, size_t cy);
+	void EscapePath(const std::string & path, TextStream<std::string> & out, bool clear_stream = true);
+	void CheckParam(ImageItem & item);
+	void Add(const std::wstring & in, TextStream<std::string> & out);
+	void ImageSavedCorrectly();
+
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/ipban.h

@@ -0,0 +1,201 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef headerfile_winix_core_ipban
+#define headerfile_winix_core_ipban
+
+#include <ctime>
+
+
+namespace Winix
+{
+
+
+
+
+// telling if the IPBan record is active
+// we have two records: active and non active
+// non active records is something like a history
+// it is used to remember the last ban level
+// so based on this in the future a next greater ban can be calculated
+#define WINIX_IPBAN_FLAG_ACTIVE					1
+
+// current ban level
+// (if one of these flag is set and the record is active then it means the IP is banned at the moment)
+// level 1: banned for short time
+// level 2: can be set after level 1 has expired and the attacker still have not given up
+//          banned for some longer time in level 1
+// level 3: can be set after level 2
+//          banned for much more time
+#define WINIX_IPBAN_FLAG_BAN_LEVEL1				2
+#define WINIX_IPBAN_FLAG_BAN_LEVEL2				4
+#define WINIX_IPBAN_FLAG_BAN_LEVEL3				8
+
+
+
+
+
+/*
+	struct defining some restrictions to an IP address
+*/
+struct IPBan
+{
+	// at the moment only IPv4 are supported
+	int ip;
+
+	// one or more flags from WINIX_IPBAN_FLAG_*
+	int flags;
+
+	// when this record was last used
+	time_t last_used;
+
+	// when the restrictions (ban) should be removed
+	// valid only if some of WINIX_IPBAN_FLAG_BAN_LEVELX flags are set
+	// actually we do not remove the record but unsets WINIX_IPBAN_FLAG_ACTIVE flag
+	// so in the future we can check whether we need to change
+	// the ban level to a greater value
+	time_t expires;
+
+
+	// how many incorrect login attempts there are
+	unsigned short int incorrect_login_events;
+
+	// how many incorrect encoded cookie were sent
+	// only used if config.session_cookie_encode is true and session_keys_file is defined
+	unsigned short int broken_encoded_cookie_events;
+
+	// how many incorrect session identifiers were sent
+	unsigned short int session_hijacking_events;
+
+	// client didn't send a session cookie
+	// it can be a bot or just someone wants to DOS the server
+	// (a new session will be create)
+	unsigned short int no_session_cookie_events;
+
+
+	bool HasFlag(int flag) const
+	{
+		return (flags & flag) != 0;
+	}
+
+
+	void SetFlag(int flag)
+	{
+		flags = flags | flag;
+	}
+
+
+	void ClearFlag(int flag)
+	{
+		flags = flags & (~flag);
+	}
+
+
+	bool IsIPBanned() const
+	{
+		if( !HasFlag(WINIX_IPBAN_FLAG_ACTIVE) )
+			return false;
+
+		return  HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL1) ||
+				HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL2) ||
+				HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL3);
+	}
+
+
+	void IncrementBanLevel(time_t level1_expires, time_t level2_expires, time_t level3_expires)
+	{
+		if( HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL3) )
+		{
+			expires = level3_expires;
+			return;
+		}
+		else
+		if( HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL2) )
+		{
+			SetFlag(WINIX_IPBAN_FLAG_BAN_LEVEL3);
+			expires = level3_expires;
+			return;
+		}
+		else
+		if( HasFlag(WINIX_IPBAN_FLAG_BAN_LEVEL1) )
+		{
+			SetFlag(WINIX_IPBAN_FLAG_BAN_LEVEL2);
+			expires = level2_expires;
+			return;
+		}
+		else
+		{
+			SetFlag(WINIX_IPBAN_FLAG_BAN_LEVEL1);
+			expires = level1_expires;
+		}
+	}
+
+
+	IPBan()
+	{
+		Clear();
+	}
+
+
+	void Clear()
+	{
+		ip 			= 0;
+		flags 		= 0;
+		last_used	= 0;
+		expires		= 0;
+		incorrect_login_events       = 0;
+		broken_encoded_cookie_events = 0;
+		session_hijacking_events     = 0;
+		no_session_cookie_events     = 0;
+	}
+
+
+	void ResetEventsCounters()
+	{
+		ClearFlag(WINIX_IPBAN_FLAG_ACTIVE);
+		incorrect_login_events       = 0;
+		broken_encoded_cookie_events = 0;
+		session_hijacking_events     = 0;
+		no_session_cookie_events     = 0;
+		expires = 0;
+	}
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/ipbancontainer.cpp

@@ -0,0 +1,253 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <algorithm>
+#include "ipbancontainer.h"
+#include "log.h"
+#include "date/date.h"
+
+
+namespace Winix
+{
+
+
+
+IPBanContainer::IPBanContainer()
+{
+	is_ipban_tab_sorted	= true; // an empty list is sorted
+	soft_max_size 		= 100;
+	max_size 			= 110;
+}
+
+
+void IPBanContainer::SetMaxSize(size_t soft_size, size_t size)
+{
+	soft_max_size = soft_size;
+	max_size      = size;
+
+	if( max_size < soft_max_size )
+		max_size = soft_max_size + 1;
+
+	ipban_tab.reserve(max_size);
+	sort_helper_tab.reserve(max_size);
+}
+
+
+// returning a reference to the added (or existed) record
+IPBan & IPBanContainer::AddIP(int ip)
+{
+	IPBan * old_ip_ban = FindIP(ip);
+
+	if( !old_ip_ban )
+	{
+		IPBan ip_ban;
+		ip_ban.ip = ip;
+
+		if( ipban_tab.size() >= max_size )
+			RemoveOldRecords();
+
+		ipban_tab.push_back(ip_ban);
+		is_ipban_tab_sorted = false;
+		return ipban_tab.back();
+	}
+	else
+	{
+		return *old_ip_ban;
+	}
+}
+
+
+void IPBanContainer::RemoveIP(int ip)
+{
+	IPBan * ipban = FindIP(ip);
+
+	if( ipban )
+	{
+		size_t index = ipban - &ipban_tab[0];
+		ipban_tab.erase(ipban_tab.begin() + index);
+	}
+}
+
+
+bool IPBanContainer::IsSorted()
+{
+	return is_ipban_tab_sorted;
+}
+
+
+void IPBanContainer::Clear()
+{
+	ipban_tab.clear();
+	is_ipban_tab_sorted = true;
+}
+
+
+// we need to remove some old records for the size of the container
+// to be less or equal to soft_max_size
+void IPBanContainer::RemoveOldRecords()
+{
+	size_t to_remove = 0;
+
+	if( ipban_tab.size() >= soft_max_size )
+		to_remove = ipban_tab.size() - soft_max_size;
+
+	if( to_remove > 0 )
+	{
+		sort_helper_tab.resize(ipban_tab.size());
+
+		for(size_t i=0 ; i<ipban_tab.size() ; ++i)
+			sort_helper_tab[i] = i;
+
+		std::sort(sort_helper_tab.begin(), sort_helper_tab.end(), SortByLastUsedHelper(this));
+		sort_helper_tab.resize(to_remove);
+		std::sort(sort_helper_tab.begin(), sort_helper_tab.end());
+
+		while( to_remove-- > 0 )
+			ipban_tab.erase(ipban_tab.begin() + sort_helper_tab[to_remove]);
+	}
+}
+
+
+// for debug purposes
+void IPBanContainer::PrintTab()
+{
+	log << log4 << "ipban_tab (size: " << ipban_tab.size() << ")" << logend;
+
+	for(size_t i=0 ; i<ipban_tab.size() ; ++i)
+	{
+		log << log4 << i << ": ip: " << ipban_tab[i].ip << ", flags: " << ipban_tab[i].flags << ", last_used: ";
+
+		PT::Date date(ipban_tab[i].last_used);
+		log << date << ", expires: ";
+
+		date = ipban_tab[i].expires;
+		log << date << logend;
+	}
+}
+
+
+// for debug purposes
+void IPBanContainer::PrintTab2()
+{
+	log << log4 << "sort_helper_tab (size: " << sort_helper_tab.size() << ")" << logend;
+
+	for(size_t i=0 ; i<sort_helper_tab.size() ; ++i)
+	{
+		IPBan & ipban = ipban_tab[sort_helper_tab[i]];
+
+		log << log4 << i << ": ip: " << ipban.ip << ", flags: " << ipban.flags << ", last_used: ";
+
+		PT::Date date(ipban.last_used);
+		log << date << ", expires: ";
+
+		date = ipban.expires;
+		log << date << logend;
+	}
+}
+
+
+bool IPBanContainer::SortByLastUsedHelper::operator()(size_t index1, size_t index2)
+{
+	if( index1 < container->ipban_tab.size() &&
+		index2 < container->ipban_tab.size() )
+	{
+		IPBan & ip1 = container->ipban_tab[index1];
+		IPBan & ip2 = container->ipban_tab[index2];
+
+		// prefer to select records which do not have WINIX_IPBAN_FLAG_ACTIVE
+		if( ip1.HasFlag(WINIX_IPBAN_FLAG_ACTIVE) !=
+			ip2.HasFlag(WINIX_IPBAN_FLAG_ACTIVE) )
+		{
+			return ip2.HasFlag(WINIX_IPBAN_FLAG_ACTIVE);
+		}
+
+		return ip1.last_used < ip2.last_used;
+	}
+
+return false;
+}
+
+
+
+IPBan * IPBanContainer::FindIP(int ip)
+{
+	// !! IMPROVE ME add binary search if is_ipban_tab_sorted is true
+
+	for(size_t i=0 ; i<ipban_tab.size() ; ++i)
+	{
+		if( ipban_tab[i].ip == ip )
+		{
+			return &ipban_tab[i];
+		}
+	}
+
+return 0;
+}
+
+
+IPBan & IPBanContainer::GetIPBan(size_t index)
+{
+	return ipban_tab[index];
+}
+
+
+void IPBanContainer::Sort()
+{
+	std::sort(ipban_tab.begin(), ipban_tab.end(), SortIPBansFunction);
+	is_ipban_tab_sorted = true;
+}
+
+
+
+size_t IPBanContainer::Size()
+{
+	return ipban_tab.size();
+}
+
+
+
+bool IPBanContainer::SortIPBansFunction(const IPBan & ip1, const IPBan & ip2)
+{
+	return ip1.ip < ip2.ip;
+}
+
+
+
+
+} // namespace Winix
+
+
+
+
+

winixd/core/ipbancontainer.h

@@ -0,0 +1,90 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef headerfile_winix_core_ipbancontainer
+#define headerfile_winix_core_ipbancontainer
+
+#include <vector>
+#include "ipban.h"
+
+
+namespace Winix
+{
+
+
+
+class IPBanContainer
+{
+public:
+
+	IPBanContainer();
+
+	IPBan & AddIP(int ip);
+	IPBan * FindIP(int ip);
+	void    Sort();
+	size_t  Size();
+	IPBan & GetIPBan(size_t index);
+	void    SetMaxSize(size_t soft_size, size_t size);
+	void    RemoveIP(int ip);
+	void    Clear();
+	bool    IsSorted();
+
+private:
+
+	std::vector<IPBan> ipban_tab;
+	bool is_ipban_tab_sorted;
+	size_t soft_max_size, max_size;
+	std::vector<size_t> sort_helper_tab;
+
+	static bool SortIPBansFunction(const IPBan & ip1, const IPBan & ip2);
+	void RemoveOldRecords();
+	void PrintTab();
+	void PrintTab2();
+
+	struct SortByLastUsedHelper
+	{
+		IPBanContainer * container;
+
+		SortByLastUsedHelper(IPBanContainer * c) : container(c) {}
+		bool operator()(size_t index1, size_t index2);
+	};
+
+};
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/item.cpp

@@ -0,0 +1,115 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "item.h"
+#include "misc.h"
+#include "crypt.h"
+
+
+namespace Winix
+{
+
+
+
+
+Item::Item()
+{
+	Clear();
+}
+
+
+// !! IMPROVE ME
+// now we have Request::start_time and Request::start_date
+// we can somehow get the current time from the request
+// may setting the date should be completetly removed from here?
+void Item::SetDateToNow()
+{
+	date_creation     = std::time(0);
+	date_modification = date_creation;
+}
+
+
+void Item::SetDateModifyToNow()
+{
+	date_modification = std::time(0);
+}
+
+
+void Item::Clear()
+{
+	id = -1;
+	
+	user_id = -1;
+	group_id = -1;
+	privileges = 0;
+	modification_user_id = -1;
+
+	guest_name.clear();
+	
+	subject.clear();
+	content.clear();
+	modify_index = 0;
+	url.clear();	
+	
+	content_type = ct_formatted_text;
+	
+	type = none;
+	parent_id = -1;
+
+	link_to.clear();
+	link_redirect = false;
+
+	content_id = -1;
+	ref = 1;
+
+	file_path.clear();
+	file_fs   = -1;
+	file_type = WINIX_ITEM_FILETYPE_NONE;
+	hash.clear();
+	hash_type = WINIX_CRYPT_HASH_NONE;
+	file_size = 0;
+	has_thumb = false;
+
+	html_template.clear();
+	sort_index = 0;
+	meta.Clear();
+	ameta.Clear();
+
+	SetDateToNow();
+}
+
+
+
+} // namespace Winix
+

winixd/core/item.h

@@ -0,0 +1,153 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_item
+#define headerfile_winix_core_item
+
+#include <string>
+#include "space/space.h"
+#include "date/date.h"
+
+
+namespace Winix
+{
+
+
+#define WINIX_ITEM_FILETYPE_NONE		0
+#define WINIX_ITEM_FILETYPE_IMAGE		1
+#define WINIX_ITEM_FILETYPE_DOCUMENT	2
+#define WINIX_ITEM_FILETYPE_VIDEO		3
+#define WINIX_ITEM_FILETYPE_UNKNOWN		10
+
+
+
+
+struct Item
+{
+	long id;
+	long parent_id;
+
+
+	long user_id;
+	long group_id;
+	std::wstring guest_name; // used as a user name when user_id is equal -1
+
+	long modification_user_id; // who has modified the item last (not taken into account when checking permissions)
+
+	int privileges;
+
+	PT::Date date_creation;
+	PT::Date date_modification;
+
+	std::wstring subject;
+	std::wstring content;
+
+	std::wstring url;
+	int modify_index;
+
+	enum ContentType
+	{
+		ct_text = 0,
+		ct_formatted_text,
+		ct_html,
+		ct_bbcode,
+		ct_raw
+	};
+
+	ContentType content_type;
+
+
+
+	enum Type
+	{
+		dir  = 0,
+		file = 1,
+		symlink = 2,
+
+		none = 1000
+	};
+
+
+	Type type;
+
+
+	// used when type is symlink or to a directory too (function 'default')
+	std::wstring link_to;
+	int link_redirect; // !! IMPROVE ME should it be 'bool'?
+
+
+	// static file (if exists)
+	std::wstring file_path; // relative file path
+	int file_fs;			// file system type where the file was saved
+	int file_type;			// file type (none, image, doc, etc)
+	bool has_thumb;			// whether or not we have a thumbnail
+	std::wstring hash;		// file hash (md4, md5, ...)
+	int hash_type;			// hash type WINIX_CRYPT_HASH_* (see crypt.h)
+	size_t file_size;		// size of the file
+
+
+	std::wstring html_template;
+
+	
+	// sort index used when displaying a group of items
+	int sort_index;
+
+
+	// meta information
+	PT::Space meta;
+	PT::Space ameta;
+
+
+	// methods
+	Item();
+	void SetDateToNow();
+	void SetDateModifyToNow();
+	void Clear();
+
+
+private:
+	// used by the database
+	long content_id;	// content id in 'content' table
+	int  ref;			// content references
+
+friend class  Db;
+friend struct DbItemColumns;
+};
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/job.cpp

@@ -0,0 +1,198 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "job.h"
+#include "plugin.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+
+Job::Job()
+{
+	jobs_queue_tab.resize(WINIX_JOBS_HOW_MANY_PRIORITIES);
+}
+
+
+void Job::CheckPriority(int & priority) const
+{
+	if( priority < 0 )
+		priority = 0;
+
+	if( priority >= WINIX_JOBS_HOW_MANY_PRIORITIES )
+		priority = WINIX_JOBS_HOW_MANY_PRIORITIES - 1;
+}
+
+
+// first thread (objects locked)
+void Job::Add(PT::Space & job, int priority)
+{
+	CheckPriority(priority);
+	jobs_queue_tab[priority].push(job);
+	WakeUpThread();
+}
+
+
+
+size_t Job::Size(int priority) const
+{
+	CheckPriority(priority);
+	return jobs_queue_tab[priority].size();
+}
+
+
+
+size_t Job::Size() const
+{
+size_t sum = 0;
+
+	for(size_t i=0 ; i<WINIX_JOBS_HOW_MANY_PRIORITIES ; ++i)
+		sum += Size(i);
+
+return sum;
+}
+
+
+bool Job::Empty(int priority) const
+{
+	CheckPriority(priority);
+	return jobs_queue_tab[priority].empty();
+}
+
+
+bool Job::Empty() const
+{
+	for(size_t i=0 ; i<WINIX_JOBS_HOW_MANY_PRIORITIES ; ++i)
+		if( !Empty(i) )
+			return false;
+
+return true;
+}
+
+
+
+
+/*
+	second thread
+*/
+
+// second thread (objects locked)
+bool Job::SignalReceived()
+{
+	return !Empty();
+}
+
+
+// second thread (objects not locked)
+void Job::Do()
+{
+size_t i = WINIX_JOBS_HOW_MANY_PRIORITIES;
+bool is_empty;
+
+	while( i-- > 0 && !IsExitSignal() )
+	{
+		do
+		{
+			Lock();
+			is_empty = Empty(i);
+			Unlock();
+
+			if( !is_empty )
+				DoQueue(jobs_queue_tab[i]);
+		}
+		while( !is_empty && !IsExitSignal() );
+	}
+}
+
+
+// second thread (objects not locked, jobs_queue is not empty)
+void Job::DoQueue(JobsQueue & jobs_queue)
+{
+bool is_empty;
+
+	do
+	{
+		Lock();
+		// references will not be invalidated after insertion to jobs_queue
+		// (jobs_queue is std::queue and it uses std::deque by default)
+		PT::Space & job = jobs_queue.front();
+		Unlock();
+
+		DoJob(job);
+
+		Lock();
+		jobs_queue.pop();
+		is_empty = jobs_queue.empty();
+		Unlock();
+	}
+	while( !is_empty && !IsExitSignal() );
+}
+
+
+// second thread (objects not locked)
+void Job::DoJob(PT::Space & job)
+{
+	try
+	{
+		PluginRes res = plugin.Call((Session*)0, WINIX_JOB, &job);
+
+		if( res.res_true == 0 )
+			DoWinixJob(job);
+	}
+	catch(...)
+	{
+	}
+}
+
+
+// second thread (objects not locked)
+void Job::DoWinixJob(PT::Space & job)
+{
+	Lock();
+	//log << log1 << "standard winix job: " << job.Text(L"type") << logend;
+	Unlock();
+}
+
+
+
+
+
+} // namespace Winix
+
+
+

winixd/core/job.h

@@ -0,0 +1,115 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_jobs
+#define headerfile_winix_core_jobs
+
+#include <vector>
+#include <queue>
+#include "basethread.h"
+#include "space/space.h"
+
+
+namespace Winix
+{
+
+
+
+#define WINIX_JOBS_HOW_MANY_PRIORITIES	32
+
+
+
+
+class Job : public BaseThread
+{
+public:
+
+	Job();
+
+	/*
+		add a new job to the queue
+		priority: 0-31 (0 - the lowest priority, 31 - the highest priority)
+	*/
+	void Add(PT::Space & job, int priority = 0);
+
+
+	/*
+		queue size, and size of all jobs in any priority
+	*/
+	size_t Size(int priority) const;
+	size_t Size() const;
+
+
+	/*
+		true if specified queue is empty
+		or if all queues are empty
+	*/
+	bool Empty(int priority) const;
+	bool Empty() const;
+
+
+private:
+
+	typedef std::queue<PT::Space>  JobsQueue;
+	typedef std::vector<JobsQueue> JobsQueueTab;
+	JobsQueueTab jobs_queue_tab;
+
+	void CheckPriority(int & priority) const;
+	void SaveToFile();
+	void ReadFromFile();
+
+
+	/*
+		second thread
+	*/
+
+	// standard winix jobs
+	// Image image;
+	// sending emails
+	// etc.
+
+	bool SignalReceived();
+	void Do();
+	void DoQueue(JobsQueue & jobs_queue);
+	void DoJob(PT::Space & job);
+	void DoWinixJob(PT::Space & job);
+
+};
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/lastcontainer.cpp

@@ -0,0 +1,144 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+
+#include "lastcontainer.h"
+#include "log.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+
+LastItem::LastItem()
+{
+	user_id    = 0;
+	ip         = 0;
+	session_id = 0;
+}
+
+
+bool LastItem::IsLoggedOut()
+{
+	return end.year > 1970;
+}
+
+
+
+
+
+LastContainer::Iterator LastContainer::Begin()
+{
+	return last_tab.begin();	
+}
+
+
+LastContainer::Iterator LastContainer::End()
+{
+	return last_tab.end();
+}
+
+
+LastContainer::Iterator LastContainer::FindNotLoggedOut(long user_id, long session_id)
+{
+LastTab::iterator i;
+
+	for(i=last_tab.begin() ; i!=last_tab.end() ; ++i)
+	{
+		if( i->user_id == user_id && i->session_id == session_id && !i->IsLoggedOut() )
+			return i;
+	}
+
+return last_tab.end();
+}
+
+
+
+void LastContainer::UserLogin(long user_id, const std::wstring & name, unsigned int ip, long session_id)
+{
+LastTab::iterator i = FindNotLoggedOut(user_id, session_id);
+
+	if( i != last_tab.end() )
+	{
+		log << log1 << "LC: such a user and session_id exist, not added as a new one" << logend;
+		return;
+	}
+
+	if( last_tab.size() >= WINIX_LASTCONTAINER_TABLE_SIZE ) // last_tab has O(n) complexity
+		last_tab.erase(last_tab.begin());
+
+	LastItem li;
+	
+	li.user_id    = user_id;
+	li.name       = name;
+	li.ip         = ip;
+	li.session_id = session_id;
+	li.start      = std::time(0);
+
+	last_tab.insert(last_tab.end(), li);
+	
+	log << log2 << "LC: added user: " << name << " into the last table" << logend;
+}
+
+
+
+
+void LastContainer::UserLogout(long user_id, long session_id)
+{
+LastTab::iterator i = FindNotLoggedOut(user_id, session_id);
+	
+	if( i != last_tab.end() )
+	{
+		i->end = std::time(0);
+	}
+	else
+	{
+		/*
+			!! IMPROVE ME
+			users read from the session file (at boot time)
+			are not added to LastContainer
+		*/
+
+		log << log4 << "LC: there is no such a user to log out: user_id: "
+			<< user_id << " ses_id: " << session_id << logend;
+	}
+}
+
+
+
+} // namespace Winix
+

winixd/core/lastcontainer.h

@@ -0,0 +1,112 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_lastcontainer
+#define headerfile_winix_core_lastcontainer
+
+#include <string>
+#include <list>
+#include <cstring>
+#include <ctime>
+#include "date/date.h"
+
+
+
+namespace Winix
+{
+
+
+
+// how many items we store in the 'last' function
+#define WINIX_LASTCONTAINER_TABLE_SIZE 100
+
+
+
+struct LastItem
+{
+	long user_id;
+	
+	// additional we store the whole string-name 
+	// (you can delete a user from the database but we can still print the name)
+	std::wstring name;
+	
+	// ip address
+	unsigned int ip;
+	
+	// session id (used when logging out)
+	long session_id;
+
+	// start logging and end logging
+	PT::Date start;
+	PT::Date end;
+
+
+	LastItem();
+	bool IsLoggedOut();
+
+};
+
+
+
+
+
+class LastContainer
+{
+public:
+
+	typedef std::list<LastItem> LastTab;
+	typedef LastTab::iterator Iterator;
+
+
+public:
+	
+	Iterator Begin();
+	Iterator End();
+	void UserLogin(long user_id, const std::wstring & name, unsigned int ip, long session_id);
+	void UserLogout(long user_id, long session_id);
+         
+	
+private:
+
+	LastTab last_tab;
+	Iterator FindNotLoggedOut(long user_id, long session_id);
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/loadavg.cpp

@@ -0,0 +1,413 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+
+#include "loadavg.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+LoadAvg::LoadAvg()
+{
+	current1.Clear();
+	current5.Clear();
+	current15.Clear();
+
+	cache_load1  = 0.0;
+	cache_load5  = 0.0;
+	cache_load15 = 0.0;
+
+	cache_req_per_sec1  = 0.0;
+	cache_req_per_sec5  = 0.0;
+	cache_req_per_sec15 = 0.0;
+
+	was_stop_request = false;
+
+	CreateTable();
+}
+
+
+LoadAvg & LoadAvg::operator=(const LoadAvg & l)
+{
+	current1  = l.current1;
+	current5  = l.current5;
+	current15 = l.current15;
+
+	cache_load1  = l.cache_load1;
+	cache_load5  = l.cache_load5;
+	cache_load15 = l.cache_load15;
+
+	cache_req_per_sec1  = l.cache_req_per_sec1;
+	cache_req_per_sec5  = l.cache_req_per_sec5;
+	cache_req_per_sec15 = l.cache_req_per_sec15;
+
+	was_stop_request = l.was_stop_request;
+
+	CreateTable();
+
+return *this;
+}
+
+
+LoadAvg::LoadAvg(const LoadAvg & l)
+{
+	operator=(l);
+}
+
+
+LoadAvg::~LoadAvg()
+{
+	delete [] tab1;
+	delete [] tab5;
+	delete [] tab15;
+}
+
+
+
+void LoadAvg::CreateTable(size_t seconds, size_t granularity, Times* & tab, size_t & len)
+{
+	len = (seconds / granularity) + 1; // rounding up (len mininum is 1)
+	tab = new Times[len];
+
+	for(size_t i=0 ; i<len ; ++i)
+	{
+		tab[i].Clear();
+		tab[i].dp = granularity; // at the beginning we assume the pause for all items
+	}
+}
+
+
+void LoadAvg::CreateTable()
+{
+	CreateTable(60,      WINIX_LOADAVG_GRANULARITY1,  tab1,  len1);
+	CreateTable(60 * 5,  WINIX_LOADAVG_GRANULARITY5,  tab5,  len5);
+	CreateTable(60 * 15, WINIX_LOADAVG_GRANULARITY15, tab15, len15);
+}
+
+
+
+void LoadAvg::MoveTab(Times * tab, size_t len)
+{
+	if( len > 1 )
+	{
+		for(size_t i=0 ; i<len-1 ; ++i)
+			tab[i] = tab[i+1];
+	}
+
+	tab[len-1].Clear();
+}
+
+
+void LoadAvg::UpdateTimer1()
+{
+	MoveTab(tab1, len1);
+
+	tab1[len1-1] = current1;
+	current1.Clear();
+	cache_load1 = 0.0;
+	cache_req_per_sec1 = 0.0;
+}
+
+
+void LoadAvg::UpdateTimer5()
+{
+	MoveTab(tab5, len5);
+
+	tab5[len5-1] = current5;
+	current5.Clear();
+	cache_load5 = 0.0;
+	cache_req_per_sec5 = 0.0;
+}
+
+
+
+void LoadAvg::UpdateTimer15()
+{
+	MoveTab(tab15, len15);
+
+	tab15[len15-1] = current15;
+	current15.Clear();
+	cache_load15 = 0.0;
+	cache_req_per_sec15 = 0.0;
+}
+
+
+void LoadAvg::CheckTimers()
+{
+	if( current1.dr + current1.dp > (double)WINIX_LOADAVG_GRANULARITY1 )
+		UpdateTimer1();
+
+	if( current5.dr + current5.dp > (double)WINIX_LOADAVG_GRANULARITY5 )
+		UpdateTimer5();
+
+	if( current15.dr + current15.dp > (double)WINIX_LOADAVG_GRANULARITY15 )
+		UpdateTimer15();
+}
+
+
+
+
+void LoadAvg::StartRequest()
+{
+	clock_gettime(CLOCK_REALTIME, &start_req);
+
+	if( was_stop_request )
+	{
+		double dp = (start_req.tv_sec - stop_req.tv_sec);
+		dp += double(start_req.tv_nsec - stop_req.tv_nsec) / 1000000000.0; // make sure that tv_nsec has signed type
+
+		current1.dp  += dp;
+		current5.dp  += dp;
+		current15.dp += dp;
+
+		CheckTimers();
+	}
+}
+
+
+
+
+
+void LoadAvg::StopRequest()
+{
+char buf[50];
+
+	clock_gettime(CLOCK_REALTIME, &stop_req);
+	
+	double dr = (stop_req.tv_sec - start_req.tv_sec);
+	dr += double(stop_req.tv_nsec - start_req.tv_nsec) / 1000000000.0; // make sure that tv_nsec has signed type
+
+	current1.dr  += dr;
+	current5.dr  += dr;
+	current15.dr += dr;
+
+	current1.req  += 1;
+	current5.req  += 1;
+	current15.req += 1;
+
+	sprintf(buf, "%f", dr);
+	SetNonZeroDigitsAfterComma(buf, 2);
+
+	log << log2 << "LA: request took: " << buf << "s" << logend;
+	was_stop_request = true;
+}
+
+
+void LoadAvg::SumTab(Times * tab, size_t len, double expected, Times & t)
+{
+	size_t i = len;
+
+	while( i-- > 0 && t.dr+t.dp < expected )
+	{
+		t.dr  += tab[i].dr;
+		t.dp  += tab[i].dp;
+		t.req += tab[i].req;
+	}
+}
+
+
+void LoadAvg::Calculate1()
+{
+Times t = current1;
+
+	SumTab(tab1, len1, 60.0, t);
+
+	if( t.dr+t.dp == 0.0 )
+	{
+		cache_load1        = 0.0;
+		cache_req_per_sec1 = 0.0;
+	}
+	else
+	{
+		cache_load1        = t.dr  / (t.dr+t.dp);
+		cache_req_per_sec1 = t.req / (t.dr+t.dp);
+	}
+}
+
+
+void LoadAvg::Calculate5()
+{
+Times t = current5;
+
+	SumTab(tab5, len5, 60.0 * 5, t);
+
+	if( t.dr+t.dp == 0.0 )
+	{
+		cache_load5        = 0.0;
+		cache_req_per_sec5 = 0.0;
+	}
+	else
+	{
+		cache_load5        = t.dr  / (t.dr+t.dp);
+		cache_req_per_sec5 = t.req / (t.dr+t.dp);
+	}
+}
+
+
+void LoadAvg::Calculate15()
+{
+Times t = current15;
+
+	SumTab(tab15, len15, 60.0 * 15, t);
+
+	if( t.dr+t.dp == 0.0 )
+	{
+		cache_load15        = 0.0;
+		cache_req_per_sec15 = 0.0;
+	}
+	else
+	{
+		cache_load15        = t.dr  / (t.dr+t.dp);
+		cache_req_per_sec15 = t.req / (t.dr+t.dp);
+	}
+}
+
+
+double LoadAvg::LoadAvgNow()
+{
+double load = 0.0;
+
+	double dr = current1.dr;
+	double dp = current1.dp;
+
+	if( tab1[len1-1].dr + tab1[len1-1].dp < WINIX_LOADAVG_GRANULARITY1 * 2 )
+	{
+		dr  += tab1[len1-1].dr;
+		dp  += tab1[len1-1].dp;
+	}
+
+	if( dr + dp != 0.0 )
+		load = dr / (dr + dp);
+
+return load;
+}
+
+
+
+double LoadAvg::LoadAvg1()
+{
+	if( cache_load1 != 0.0 )
+		return cache_load1;
+
+	Calculate1();
+
+return cache_load1;
+}
+
+
+double LoadAvg::LoadAvg5()
+{
+	if( cache_load5 != 0.0 )
+		return cache_load5;
+
+	Calculate5();
+
+return cache_load5;
+}
+
+
+double LoadAvg::LoadAvg15()
+{
+	if( cache_load15 != 0.0 )
+		return cache_load15;
+
+	Calculate15();
+
+return cache_load15;
+}
+
+
+
+double LoadAvg::ReqPerSecNow()
+{
+double req_per_sec = 0.0;
+
+	double dr  = current1.dr;
+	double dp  = current1.dp;
+	double req = current1.req;
+
+	if( tab1[len1-1].dr + tab1[len1-1].dp < WINIX_LOADAVG_GRANULARITY1 * 2 )
+	{
+		dr  += tab1[len1-1].dr;
+		dp  += tab1[len1-1].dp;
+		req += tab1[len1-1].req;
+	}
+
+	if( dr + dp != 0.0 )
+		req_per_sec = req / (dr + dp);
+
+return req_per_sec;
+}
+
+
+double LoadAvg::ReqPerSec1()
+{
+	if( cache_req_per_sec1 != 0.0 )
+		return cache_req_per_sec1;
+
+	Calculate1();
+
+return cache_req_per_sec1;
+}
+
+
+double LoadAvg::ReqPerSec5()
+{
+	if( cache_req_per_sec5 != 0.0 )
+		return cache_req_per_sec5;
+
+	Calculate5();
+
+return cache_req_per_sec5;
+}
+
+
+double LoadAvg::ReqPerSec15()
+{
+	if( cache_req_per_sec15 != 0.0 )
+		return cache_req_per_sec15;
+
+	Calculate15();
+
+return cache_req_per_sec15;
+}
+
+
+
+} // namespace Winix
+

winixd/core/loadavg.h

@@ -0,0 +1,146 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_loadavg
+#define headerfile_winix_core_loadavg
+
+#include <ctime>
+
+
+namespace Winix
+{
+
+
+
+
+// in seconds
+#define WINIX_LOADAVG_GRANULARITY1		2
+#define WINIX_LOADAVG_GRANULARITY5		15
+#define WINIX_LOADAVG_GRANULARITY15		45
+
+
+
+class LoadAvg
+{
+public:
+	LoadAvg();
+	~LoadAvg();
+	LoadAvg & operator=(const LoadAvg & l);
+	LoadAvg(const LoadAvg & l);
+
+	void StartRequest();
+	void StopRequest();
+
+	double LoadAvgNow(); // load average withing last WINIX_LOADAVG_GRANULARITY1 seconds
+	double LoadAvg1();
+	double LoadAvg5();
+	double LoadAvg15();
+
+	double ReqPerSecNow();
+	double ReqPerSec1();
+	double ReqPerSec5();
+	double ReqPerSec15();
+
+private:
+
+	struct Times
+	{
+		double dr; // time for the request (in seconds)
+		double dp; // time for the pause between requestes (in seconds)
+		long req;  // how many requests 
+
+		void Clear()
+		{
+			dr  = 0.0;
+			dp  = 0.0;
+			req = 0;
+		}
+
+		Times & operator=(const Times & t)
+		{
+			dr  = t.dr;
+			dp  = t.dp;
+			req = t.req;
+
+		return *this;
+		}
+	};
+
+	void CheckTimers();
+	void UpdateTimer1();
+	void UpdateTimer5();
+	void UpdateTimer15();
+
+	Times current1;
+	Times current5;
+	Times current15;
+
+	void CreateTable(size_t seconds, size_t granulatiry, Times* & tab, size_t & len);
+	void CreateTable();
+
+	void MoveTab(Times * tab, size_t len);
+	void SumTab(Times * tab, size_t len, double expected, Times & t);
+
+	void Calculate1();
+	void Calculate5();
+	void Calculate15();
+
+	bool was_stop_request;
+	timespec start_req, stop_req;
+	
+	Times * tab1;
+	size_t len1;
+
+	Times * tab5;
+	size_t len5;
+
+	Times * tab15;
+	size_t len15;
+
+	double cache_load1;
+	double cache_load5;
+	double cache_load15;
+
+	double cache_req_per_sec1;
+	double cache_req_per_sec5;
+	double cache_req_per_sec15;
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/lock.cpp

@@ -0,0 +1,82 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "lock.h"
+
+
+namespace Winix
+{
+
+
+
+
+Lock::Lock()
+{
+	synchro = 0;
+}
+
+
+Lock::Lock(Synchro * synchro_)
+{
+	synchro = synchro_;
+	synchro->Lock();
+}
+
+
+Lock::Lock(Synchro & synchro_)
+{
+	synchro = &synchro_;
+	synchro->Lock();
+}
+
+
+Lock::~Lock()
+{
+	Unlock();
+}
+
+
+void Lock::Unlock()
+{
+	if( synchro )
+	{
+		synchro->Unlock();
+		synchro = 0;
+	}
+}
+
+
+
+} // namespace Winix
+

winixd/core/lock.h

@@ -0,0 +1,71 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_lock
+#define headerfile_winix_core_lock
+
+#include "synchro.h"
+
+
+namespace Winix
+{
+
+
+
+class Lock
+{
+public:
+
+	Lock(Synchro * synchro_);
+	Lock(Synchro & synchro_);
+
+	~Lock();
+
+	void Unlock();
+	
+	
+private:
+
+	Synchro * synchro;
+
+	Lock();
+	
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/log.cpp

@@ -0,0 +1,487 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "log.h"
+#include <ctime>
+#include <string.h>
+#include "utf8/utf8.h"
+#include "timezones.h"
+
+
+namespace Winix
+{
+
+
+
+Log::Log()
+{
+	log_level     = 1;
+	current_level = 100; // nothing to log (call Init() first)
+	request       = 0;
+	max_requests  = 1;
+	lines         = 0;
+	max_lines     = 5000;
+	log_file_open = false;
+	time_zones    = 0;
+}
+
+
+Log::~Log()
+{
+	SaveLogAndClear();
+}
+
+
+
+void Log::SetTimeZones(TimeZones * ptime_zones)
+{
+	time_zones = ptime_zones;
+}
+
+
+
+int Log::LogLevel()
+{
+	return log_level;
+}
+
+
+
+void Log::Init(int log_level_, bool save_each_line_, const std::wstring & log_file_, bool log_std, int log_max_requests)
+{
+	log_level      = log_level_;
+	log_stdout     = log_std;
+	max_requests   = log_max_requests;
+	save_each_line = save_each_line_;
+
+	PT::WideToUTF8(log_file_, log_file);
+	// don't open the file here
+	// because it would be created with the root as an owner
+}
+
+
+void Log::OpenFile()
+{
+	if( !log_file.empty() )
+	{
+		file.open( log_file.c_str(), std::ios_base::out | std::ios_base::app );
+		log_file_open = true;
+	}
+}
+
+
+void Log::PrintDate(const PT::Date & date, size_t time_zone_id)
+{
+	if( time_zones )
+	{
+		TimeZone * tz = time_zones->GetZone(time_zone_id);
+
+		if( tz )
+		{
+			PT::Date local_date = tz->ToLocal(date);
+			log << local_date;
+		}
+		else
+		{
+			(*this) << date << " UTC"; // unknown time zone identifier
+		}
+	}
+	else
+	{
+		(*this) << date << " UTC"; // time_zones object was not set
+	}
+}
+
+
+	
+Log & Log::operator<<(const void * s)
+{
+	if( current_level > log_level )
+		return *this;
+
+    buffer << s;
+    return *this;
+}
+
+
+
+Log & Log::operator<<(const char * s)
+{
+	if( current_level > log_level )
+		return *this;
+
+	if( !s )
+		return *this;
+
+	buffer << s;
+    
+return *this;
+}
+
+
+
+Log & Log::operator<<(const std::string & s)
+{
+	if( current_level > log_level )
+		return *this;
+
+	buffer << s;
+    return *this;
+}
+
+
+
+Log & Log::operator<<(const std::string * s)
+{
+	if( current_level > log_level )
+		return *this;
+
+	buffer << *s;
+    return *this;
+}
+
+
+
+
+
+
+Log & Log::operator<<(const wchar_t * s)
+{
+	if( current_level <= log_level )
+	{
+		if( s )
+			buffer << s;
+	}
+    
+return *this;
+}
+
+
+
+Log & Log::operator<<(const std::wstring & s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+
+Log & Log::operator<<(const std::wstring * s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << *s;
+	}
+
+    return *this;
+}
+
+
+
+
+
+Log & Log::operator<<(int s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+
+Log & Log::operator<<(long s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+
+
+Log & Log::operator<<(char s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+Log & Log::operator<<(wchar_t s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+Log & Log::operator<<(size_t s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+
+Log & Log::operator<<(double s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+    return *this;
+}
+
+
+
+Log & Log::operator<<(const PT::Space & s)
+{
+	if( current_level <= log_level )
+	{
+		buffer << s;
+	}
+
+return *this;
+}
+
+
+
+Log & Log::operator<<(const PT::Date & date)
+{
+	if( current_level <= log_level )
+	{
+		buffer << date;
+	}
+
+return *this;
+}
+
+
+
+Log & Log::operator<<(LogManipulators m)
+{
+	switch(m)
+	{
+	case logend:
+		if( current_level <= log_level )
+		{
+			buffer << '\n';
+			lines += 1;
+
+			if( save_each_line )
+				SaveLogAndClear();
+		}
+		break;
+
+	case logsave:
+		SaveLogAndClear();
+		break;
+
+	case logendrequest:
+		if( ++request >= max_requests || lines > max_lines )
+			SaveLogAndClear();
+		break;
+		
+	case log1:
+		current_level = 1;
+		break;
+		
+	case log2:
+		current_level = 2;
+		break;
+		
+	case log3:
+		current_level = 3;
+		break;
+
+	case log4:
+		current_level = 4;
+		break;
+
+	default:
+		break;
+	}
+
+return *this;
+}
+
+
+
+
+char Log::GetHEXdigit(unsigned char c)
+{
+	if( c < 10 )
+		return c + '0';
+
+return c - 10 + 'A';
+}
+
+
+
+void Log::ToHEX(char * buf, unsigned char c)
+{
+	buf[0] = GetHEXdigit(c >> 4);
+	buf[1] = GetHEXdigit(c & 0xf);
+	buf[2] = 0;
+}
+
+
+void Log::LogBinary(const char * blob, size_t blob_len)
+{
+size_t i=0;
+char buf[3];
+
+
+	while( i < blob_len )
+	{
+		size_t oldi = i;
+
+		for(size_t a=0 ; a<16 ; ++a)
+		{
+			if( i < blob_len )
+			{
+				ToHEX(buf, blob[i]);
+				buffer << buf << ' ';
+				++i;
+			}
+			else
+			{
+				buffer << "   ";
+			}
+
+			if( a == 7 )
+			{
+				if( i < blob_len )
+					buffer << "- ";
+				else
+					buffer << "  ";
+			}
+		}
+
+		i = oldi;
+		buffer << ' ';
+
+		for(size_t a=0 ; a<16 && i<blob_len ; ++a, ++i)
+		{
+			if( blob[i] > 31 && blob[i] < 127 )
+				buffer << blob[i];
+			else
+				buffer << '.';
+		}
+
+		(*this) << logend;
+	}
+}
+
+
+void Log::LogBinary(const std::string & blob)
+{
+	LogBinary(blob.c_str(), blob.size());
+}
+
+
+void Log::SystemErr(int err)
+{
+	(*this) << "errno: " << err;
+
+	const char * err_msg = strerror(err);
+
+	if( err_msg )
+		(*this) << " (" << err_msg << ")";
+}
+
+
+void Log::SaveLogAndClear()
+{
+	SaveLog();
+
+	buffer.Clear();
+	request = 0;
+	lines   = 0;
+}
+
+
+void Log::SaveLog()
+{
+	if( buffer.Str().empty() )
+		return;
+
+	if( log_stdout )
+		PT::WideToUTF8(buffer.Str(), std::cout);
+
+	if( log_file.empty() )
+		return;
+
+	if( !log_file_open || !file )
+	{
+		file.close();
+		file.clear();
+
+		OpenFile();
+
+		if( !file )
+			return;
+	}
+
+	PT::WideToUTF8(buffer.Str(), file);
+	file.flush();
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/log.h

@@ -0,0 +1,199 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_log
+#define headerfile_winix_core_log
+
+
+#include <sstream>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include "textstream.h"
+#include "logmanipulators.h"
+#include "textstream/textstream.h"
+
+
+namespace Winix
+{
+
+
+
+class TimeZones;
+
+
+
+class Log
+{
+public:
+
+	Log();
+	~Log();
+
+	void SetTimeZones(TimeZones * ptime_zones);
+	void Init(int log_level_, bool save_each_line_, const std::wstring & log_file_, bool log_std, int log_max_requests);
+
+	Log & operator<<(const void * s);
+	Log & operator<<(const char * s);
+	Log & operator<<(const std::string * s);
+	Log & operator<<(const std::string & s);
+	Log & operator<<(const wchar_t * s);
+	Log & operator<<(const std::wstring * s);
+	Log & operator<<(const std::wstring & s);
+	Log & operator<<(int s);
+	Log & operator<<(long s);
+	Log & operator<<(char s);
+	Log & operator<<(wchar_t s);
+	Log & operator<<(size_t s);
+	Log & operator<<(double s);
+	Log & operator<<(const PT::Space & space);
+	Log & operator<<(LogManipulators m);
+	Log & operator<<(const PT::Date & date);
+
+	void PrintDate(const PT::Date & date, size_t time_zone_id);
+
+	template<typename char_type, size_t stack_size, size_t heap_block_size>
+	Log & operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf);
+
+
+	template<class StringType>
+	void LogString(const StringType & value, size_t max_size);
+
+	void LogBinary(const char * blob, size_t blob_len);
+	void LogBinary(const std::string & blob);
+
+
+	void SystemErr(int err);
+	void SaveLog();
+	void SaveLogAndClear();
+
+	int LogLevel();
+
+
+private:
+
+	// time zones for printing the time in the log file
+	TimeZones * time_zones;
+
+	// buffer for the log
+	TextStream<std::wstring> buffer;
+
+	// log lovel from the config file
+	int log_level;
+
+	// current level set by a modifier (e.g. log << log3)
+	int current_level;
+
+	// current request for logging
+	// starts from zero and incremented after logendrequest modifier
+	int request;
+	
+	// how many request to save at once
+	int max_requests;
+
+	// file log
+	std::string log_file;
+	std::ofstream file;
+
+	// logging to stdout
+	bool log_stdout;
+
+	// how many lines there are in the buffer
+	int lines;
+
+	// is the config file already open
+	bool log_file_open;
+
+	// how many lines can be in the config buffer
+	// default: 5000
+	int max_lines;
+
+	// whether to save each line (for debug)
+	bool save_each_line;
+
+	void OpenFile();
+	char GetHEXdigit(unsigned char c);
+	void ToHEX(char * buf, unsigned char c);
+
+};
+
+
+
+template<class StringType>
+void Log::LogString(const StringType & value, size_t max_size)
+{
+size_t min_size = value.size() < max_size ? value.size() : max_size;
+	
+	if( current_level <= log_level )
+	{
+		for(size_t i=0 ; i<min_size ; ++i)
+		{
+			if( value[i] < 32 )
+				buffer << '.';
+			else
+				buffer << value[i];
+		}
+	}
+}
+
+
+
+template<typename char_type, size_t stack_size, size_t heap_block_size>
+Log & Log::operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf)
+{
+	if( current_level <= log_level )
+		buffer << buf;
+
+return *this;
+}
+
+
+
+
+
+extern Log log;
+extern Log nlog;
+
+
+} // namespace Winix
+
+
+
+
+// for convenience, we have to use only #include "log.h" in the winix
+#include "slog.h"
+
+
+#endif
+

winixd/core/logmanipulators.h

@@ -0,0 +1,83 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_logmanipulators
+#define headerfile_winix_core_logmanipulators
+
+
+namespace Winix
+{
+
+
+
+
+/*
+	log1 - the first level
+	log2
+	log3
+	log4 - the last level (debug level)
+	logend        - the end of a line
+	logendrequest - end of a current request
+	logsave       - current log buffer is saved and cleared
+
+	manipulators used by the session logger (SLog)
+	loginfo    - normal info to a user
+	logerror   - we are reporting an error
+	logwarning - we are reporting a warning
+
+	make sure that loginfo, logerror and logwarning have values less than 32 (space)
+	their are used as control codes in a string
+*/
+enum LogManipulators
+{
+	log1,
+	log2,
+	log3,
+	log4,
+	logend,
+	logendrequest,
+	logsave,
+
+	loginfo,
+	logerror,
+	logwarning
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/mount.cpp

@@ -0,0 +1,145 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "mount.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+
+Mount::Mount()
+{
+	dir_id = -1;
+	type   = -1;
+	fs     = -1;
+}
+
+
+
+void Mount::ClearParams()
+{
+size_t i;
+
+	for(i=0 ; i<param.size() ; ++i)
+		param[i].Clear();
+}
+
+
+bool Mount::IsPar(int code)
+{
+	if( code < 0 || code >= (int)param.size() )
+		return false;
+
+	if( !param[code].defined )
+		return false;
+
+return true;
+}
+
+
+
+bool Mount::IsArg(int code, const wchar_t * arg)
+{
+	ParamRow::ParamArg::iterator i;	
+
+	if( code < 0 || code >= (int)param.size() )
+		return false;
+
+	if( !param[code].defined )
+		return false;
+
+	for(i=param[code].arg.begin() ; i!=param[code].arg.end() ; ++i)
+	{
+		if( *i == arg )
+			return true;
+	}
+
+return false;
+}
+
+
+bool Mount::IsArg(int code, const std::wstring & arg)
+{
+	return IsArg(code, arg.c_str());
+}
+
+
+bool Mount::IsArg(int code, int arg)
+{
+	ParamRow::ParamArg::iterator i;	
+
+	if( code < 0 || code >= (int)param.size() )
+		return false;
+
+	if( !param[code].defined )
+		return false;
+
+	for(i=param[code].arg.begin() ; i!=param[code].arg.end() ; ++i)
+	{
+		if( Toi(*i) == arg )
+			return true;
+	}
+
+return false;
+}
+
+
+const std::wstring & Mount::Arg(int code, int arg) const
+{
+	if( code < 0 || code >= (int)param.size() )
+		return empty_str;
+
+	if( !param[code].defined )
+		return empty_str;
+
+	if( arg >= (int)param[code].arg.size() )
+		return empty_str;
+
+return param[code].arg[arg];
+}
+
+
+const std::wstring & Mount::FirstArg(int code) const
+{
+	return Arg(code, 0);
+}
+
+
+
+} // namespace Winix
+

winixd/core/mount.h

@@ -0,0 +1,103 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+
+#ifndef headerfile_winix_core_mount
+#define headerfile_winix_core_mount
+
+#include <map>
+#include <string>
+#include <vector>
+
+
+namespace Winix
+{
+
+
+
+class Mount
+{
+public:
+
+	struct ParamRow
+	{
+		typedef std::vector<std::wstring> ParamArg;
+
+		bool defined;
+		ParamArg arg;
+
+		ParamRow()   { defined = false; }
+		void Clear() { defined = false; arg.clear(); }
+	};
+
+	typedef std::vector<ParamRow> Param;
+
+
+	long  dir_id;
+	int   type;
+	int   fs;
+	Param param;
+
+
+
+
+	Mount();
+	void ClearParams();
+
+	bool IsPar(int code);
+
+	bool IsArg(int code, const wchar_t * arg);
+	bool IsArg(int code, const std::wstring & arg);
+	bool IsArg(int code, int arg);
+
+	// returning the arg argument if defined (or an empty string)
+	const std::wstring & Arg(int code, int arg) const;
+
+	// returning the first argument (arg=0) if defined (or an empty string)
+	const std::wstring & FirstArg(int code) const;
+
+
+private:
+
+	// for Arg() methods when the argument is not defined
+	const std::wstring empty_str;
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/mountparser.cpp

@@ -0,0 +1,528 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "mountparser.h"
+#include "log.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+MountParser::MountParser()
+{
+	dirs = 0;
+	skip_static     = false;
+	mount_type_tab  = 0;
+	mount_fs_tab    = 0;
+	mount_par_tab   = 0;
+	static_mount_id = -1;
+}
+
+
+
+void MountParser::SkipStaticDirs(bool skip)
+{
+	skip_static = skip;
+}
+
+
+void MountParser::SetStaticMountId(int id)
+{
+	static_mount_id = id;
+}
+
+
+void MountParser::SetDirs(Dirs * pdirs)
+{
+	dirs = pdirs;
+}
+
+
+void MountParser::SetMountTypeTab(const std::vector<std::wstring> & tab)
+{
+	mount_type_tab = &tab;
+}
+
+
+void MountParser::SetMountFsTab(const std::vector<std::wstring> & tab)
+{
+	mount_fs_tab = &tab;
+}
+
+
+void MountParser::SetMountParTab(const std::vector<std::wstring> & tab)
+{
+	mount_par_tab = &tab;
+}
+
+
+
+bool MountParser::IsWhite(int c)
+{
+	if( c==' ' || c=='\t' || c==13 || c==160 )
+		return true;
+	
+return false;
+}
+
+
+void MountParser::SkipWhite()
+{
+	while( IsWhite(*pinput) )
+		++pinput;
+}
+
+
+void MountParser::SkipLine()
+{
+	while( *pinput && *pinput != 10 )
+		++pinput;
+		
+	if( *pinput == 10 )
+		++pinput;
+}
+
+
+void MountParser::ReadWordQuote(std::wstring & res)
+{
+	++pinput;
+
+	while( *pinput && *pinput!=10 && *pinput!='\"' )
+	{
+		if( pinput[0]=='\\' && pinput[1]=='\"' )
+		{
+			res    += '\"';
+			pinput += 2;
+		}
+		else
+		if( pinput[0]=='\\' && pinput[1]=='\\' )
+		{
+			res    += '\\';
+			pinput += 2;
+		}
+		else
+		{
+			res    += *pinput;
+			pinput += 1;
+		}
+	}
+
+	if( *pinput == '"' )
+		++pinput;
+}
+
+
+// a white character is the separator
+void MountParser::ReadWordWhite(std::wstring & res)
+{
+	while( *pinput && *pinput!=10 && !IsWhite(*pinput) )
+	{
+		res += *pinput;
+		++pinput;
+	}
+}
+
+
+// the comma or the second bracket ')' are the separators
+void MountParser::ReadWordComma(std::wstring & res)
+{
+	while( *pinput && *pinput!=10 && *pinput!=',' && *pinput!=')' )
+	{
+		res += *pinput;
+		++pinput;
+	}
+
+	// trimming last white characters
+	// (white characters can be in the middle of the string)
+	TrimWhite(res); 
+}
+
+
+void MountParser::ReadWord(std::wstring & res, bool comma_bracket_separator)
+{
+	res.clear();
+	SkipWhite();
+	
+	if( *pinput == '"' )
+	{
+		ReadWordQuote(res);
+	}
+	else
+	if( comma_bracket_separator )
+	{
+		ReadWordComma(res);
+	}
+	else
+	{
+		ReadWordWhite(res);
+	}
+}
+
+
+
+
+void MountParser::ReadParamArgsLoop(Mount::ParamRow::ParamArg & args)
+{
+	SkipWhite();
+
+	while( *pinput && *pinput!=10 && *pinput!=')' )
+	{
+		ReadWord(temp_arg, true);
+
+		if( !temp_arg.empty() )
+			args.push_back(temp_arg);
+
+		if( *pinput == ',' )
+			++pinput;	
+	}
+}
+
+
+void MountParser::ReadParamArgs(Mount::ParamRow::ParamArg & args)
+{
+	SkipWhite();
+	args.clear();
+
+
+	if( *pinput == '(' )
+	{
+		++pinput;
+		ReadParamArgsLoop(args);
+		
+		if( *pinput != ')' )
+		{
+			// there should be ')' at the end
+			// temporarily we do nothing	
+		}
+		else
+		{
+			++pinput;	
+		}
+	}
+}
+
+
+
+void MountParser::ReadParamName(std::wstring & res)
+{
+	SkipWhite();
+	res.clear();
+	
+	while( *pinput && *pinput!=10 && *pinput!=',' && *pinput!='(' && !IsWhite(*pinput) )
+	{
+		res += *pinput;
+		++pinput;
+	}
+}
+
+
+void MountParser::ReadParam(std::wstring & res, Mount::ParamRow::ParamArg & args)
+{
+	ReadParamName(res);
+
+	if( res.empty() )
+		return;
+		
+	ReadParamArgs(args);
+
+	SkipWhite();
+
+	if( *pinput == ',' )
+		++pinput;
+}
+
+
+int MountParser::FindIndex(const std::vector<std::wstring> * tab, const std::wstring & value)
+{
+	for(size_t i=0 ; i < tab->size() ; ++i)
+	{
+		if( (*tab)[i] == value )
+			return static_cast<int>(i);
+	}
+
+return -1;
+}
+
+
+bool MountParser::ReadMountType()
+{
+	ReadWord(temp);
+
+	if( temp.empty() )
+	{
+		// an empty line (some white characters only)
+		return false;
+	}
+
+	mount.type = FindIndex(mount_type_tab, temp);
+
+	if( mount.type != -1 )
+	{
+		log << log3 << "MP: mount type: " << (*mount_type_tab)[mount.type] << logend;
+	}
+	else
+	{
+		log << log1 << "MP: unknown mount type: " << temp << logend;
+		slog << logerror << T("unknown_mount_type") << ": " << temp << logend;
+	}
+
+return mount.type != -1;
+}
+
+
+
+bool MountParser::ReadMountPoint()
+{
+	ReadWord(last_dir);
+
+	pdir = dirs->GetDir(last_dir);
+	
+	if( pdir )
+	{
+		mount.dir_id = pdir->id;
+		log << log3 << "MP: mount point (directory): " << last_dir << logend;	
+	}
+	else
+	{
+		log << log1 << "MP: there is no such a mount point (directory): " << last_dir << logend;
+		slog << logerror << T("no_such_dir") << ": " << last_dir << logend;
+	}
+
+return pdir != 0;
+}
+
+
+
+bool MountParser::ReadFs()
+{
+	ReadWord(temp);
+	mount.fs = FindIndex(mount_fs_tab, temp);
+
+	if( mount.fs != -1 )
+	{
+		log << log2 << "MP: file system: " << (*mount_fs_tab)[mount.fs] << logend;
+	}
+	else
+	{
+		log << log1 << "MP: unknown filesystem: " << temp << logend;
+		slog << logerror << T("unknown_filesystem") << ": " << temp << " (" << last_dir << ")" << logend;
+	}
+
+return mount.fs != -1;
+}
+
+
+
+void MountParser::LogMountParams()
+{
+size_t i;
+
+	log << log3 << "MP: mount param: " << temp << "(";
+
+	for(i=0 ; i<param_args.size() ; ++i)
+	{
+		log << param_args[i];
+
+		if( i != param_args.size()-1 )
+			log << ",";
+	}
+
+	log << ")" << logend;
+}
+
+
+
+void MountParser::ReadMountParams()
+{
+	mount.ClearParams();
+	
+	for( ReadParam(temp, param_args) ; !temp.empty() ; ReadParam(temp, param_args) )
+	{
+		int code = FindIndex(mount_par_tab, temp);
+
+		if( code != -1 )
+		{
+			mount.param[code].defined = true;
+			mount.param[code].arg     = param_args;
+			LogMountParams();
+		}
+		else
+		{
+			log << log1 << "MP: unknown mount param: " << temp << logend;
+			slog << logwarning << T("unknown_mount_param") << ": " << temp << " (" << T("skipped") << ")" << logend;
+		}
+	}	
+}
+
+
+
+void MountParser::AddParams(Mount::Param & src, Mount::Param & dst)
+{
+	if( src.size() != dst.size() )
+	{
+		log << log1 << "MP: addparams: incorrect sizes" << logend;
+		return;
+	}
+
+	for(size_t p=0 ; p < src.size() ; ++p)
+	{
+		if( src[p].defined && !dst[p].defined )
+			dst[p] = src[p];
+	}
+}
+
+
+
+
+bool MountParser::AddParamsBefore(long dir_id)
+{
+	std::map<long, Mount>::iterator i = poutput->find(dir_id);
+
+	if( i == poutput->end() )
+		return false;
+
+	AddParams(i->second.param, mount_inserted.first->second.param);
+
+return true;
+}
+
+
+/*
+	adding all non-existing parameters to this mount point from parents
+*/
+void MountParser::AddParamsBefore()
+{
+	if( !pdir )
+		return;
+
+	Item * dir;
+	long dir_id = pdir->parent_id;
+
+	while( dir_id != -1 )
+	{
+		if( AddParamsBefore(dir_id) )
+		{
+			// we don't have to check others parents
+			// the parameters are already copied
+			break;
+		}
+
+		dir = dirs->GetDir(dir_id);
+		
+		if( !dir )
+			break;
+		
+		dir_id = dir->parent_id;
+	}
+}
+
+
+
+/*
+	adding all non-existing parameters to childs (childs to this mount point)
+*/
+void MountParser::AddParamsAfter()
+{
+	std::map<long, Mount>::iterator i = poutput->begin();
+
+	for( ; i != poutput->end() ; ++i)
+	{
+		if( dirs->IsChild(mount_inserted.first->second.dir_id, i->first) )
+			AddParams(mount_inserted.first->second.param, i->second.param);
+	}
+}
+
+
+void MountParser::ReadRow()
+{
+	if( ReadMountType() && ReadMountPoint() && ReadFs() )
+	{
+		ReadMountParams();
+
+		if( skip_static && mount.type==static_mount_id )
+		{
+			log << log1 << "MP: static mount points are skipped (dont_use_static_dirs in config is true)" << logend;
+			slog << logwarning << T("skipped_static_mount") << ": " << last_dir << logend;
+		}
+		else
+		{
+			mount_inserted = poutput->insert( std::make_pair(mount.dir_id, mount) );
+
+			if( mount_inserted.second )
+			{
+				AddParamsBefore();
+				AddParamsAfter();
+			}
+			else
+			{
+				log << log1 << "MP: this mount point exists (skipped)" << logend;
+				slog << logwarning << T("mount_exists") << ": " << last_dir << " (" << T("skipped") << ")" << logend;
+			}
+			
+		}
+	}
+
+	SkipLine();
+}
+
+
+
+
+void MountParser::Parse(const std::wstring & input, std::map<long, Mount> & output)
+{
+	if( !dirs || !mount_type_tab || !mount_fs_tab || !mount_par_tab )
+	{
+		log << log1 << "MP: input tables not set" << logend;
+		return;
+	}
+
+	pinput  = input.c_str();
+	poutput = &output;
+	mount.param.resize(mount_par_tab->size());
+	mount.ClearParams();
+	poutput->clear();
+	
+	while( *pinput )
+		ReadRow();
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/mountparser.h

@@ -0,0 +1,119 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_mountparser
+#define headerfile_winix_core_mountparser
+
+#include <map>
+#include <string>
+#include <vector>
+#include <stdlib.h>
+#include <limits.h>
+
+#include "mount.h"
+#include "item.h"
+#include "dirs.h"
+
+
+
+namespace Winix
+{
+
+
+
+class MountParser
+{
+public:
+
+	MountParser();
+
+	void SkipStaticDirs(bool skip);
+	void SetStaticMountId(int id);
+
+	void Parse(const std::wstring & input, std::map<long, Mount> & output);
+	void SetDirs(Dirs * pdirs);
+	void SetMountTypeTab(const std::vector<std::wstring> & tab);
+	void SetMountFsTab(const std::vector<std::wstring> & tab);
+	void SetMountParTab(const std::vector<std::wstring> & tab);
+
+private:
+
+	Dirs * dirs;
+	bool skip_static;
+	int static_mount_id;
+
+	const std::vector<std::wstring> * mount_type_tab;
+	const std::vector<std::wstring> * mount_fs_tab;
+	const std::vector<std::wstring> * mount_par_tab;
+
+	bool IsWhite(int c);
+	void SkipWhite();
+	void SkipLine();
+	void ReadWordQuote(std::wstring & res);
+	void ReadWordWhite(std::wstring & res);
+	void ReadWordComma(std::wstring & res);
+	void ReadWord(std::wstring & res, bool comma_bracket_separator = false);
+	void ReadParamArgsLoop(Mount::ParamRow::ParamArg & args);
+	void ReadParamArgs(Mount::ParamRow::ParamArg & args);
+	void ReadParamName(std::wstring & res);
+	void ReadParam(std::wstring & res, Mount::ParamRow::ParamArg & args);
+	int FindIndex(const std::vector<std::wstring> * tab, const std::wstring & value);
+	bool ReadMountType();
+	bool ReadMountPoint();
+	bool ReadFs();
+	void LogMountParams();
+	void ReadMountParams();
+	void ReadRow();
+	void AddParams(Mount::Param & src, Mount::Param & dst);
+	bool AddParamsBefore(long dir_id);
+	void AddParamsBefore();
+	void AddParamsAfter();
+
+	const wchar_t * pinput;
+	std::wstring temp;
+	std::wstring last_dir;
+	std::wstring temp_arg;
+	Mount::ParamRow::ParamArg param_args;
+	Mount mount;
+	Item * pdir;
+	std::map<long, Mount> * poutput;
+	std::pair<std::map<long, Mount>::iterator, bool> mount_inserted;
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/mounts.cpp

@@ -0,0 +1,357 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "mounts.h"
+#include "request.h"
+#include "log.h"
+#include "db/db.h"
+#include "plugin.h"
+
+
+
+namespace Winix
+{
+
+
+
+Mounts::Mounts()
+{
+	pmount = &empty_mount;
+	skip_static = false;
+}
+
+
+void Mounts::SkipStaticDirs(bool skip)
+{
+	skip_static = skip;
+}
+
+
+
+void Mounts::CreateMountType()
+{
+	mount_type_cms    = AddMountType(L"cms");
+	mount_type_static = AddMountType(L"static");
+}
+
+
+void Mounts::CreateMountFs()
+{
+	mount_fs_simplefs = AddMountFs(L"simplefs");
+	mount_fs_hashfs   = AddMountFs(L"hashfs");
+}
+
+
+void Mounts::CreateMountPar()
+{
+	mount_par_page				= AddMountPar(L"page");
+	mount_par_thumb_size        = AddMountPar(L"thumb_size");
+	mount_par_thumb_mode        = AddMountPar(L"thumb_mode");
+	mount_par_thumb_quality     = AddMountPar(L"thumb_quality");
+	mount_par_image_size        = AddMountPar(L"image_size");
+	mount_par_image_mode        = AddMountPar(L"image_mode");
+	mount_par_image_quality     = AddMountPar(L"image_quality");
+	mount_par_emacs_on			= AddMountPar(L"emacs_on");
+	mount_par_mkdir_on			= AddMountPar(L"mkdir_on");
+	mount_par_app				= AddMountPar(L"app");
+	mount_par_html_template		= AddMountPar(L"html_template");
+	mount_par_change_template	= AddMountPar(L"change_template");
+	mount_par_static			= AddMountPar(L"static");
+	mount_par_css			    = AddMountPar(L"css");
+	mount_par_lang			    = AddMountPar(L"lang");
+}
+
+
+void Mounts::CreateMounts()
+{
+	CreateMountType();
+	CreateMountFs();
+	CreateMountPar();
+
+	plugin.Call((Session*)0, WINIX_ADD_MOUNTS);
+
+	empty_mount.param.resize(mount_par_tab.size());
+	empty_mount.ClearParams();
+}
+
+
+
+void Mounts::SetDirs(Dirs * pdirs)
+{
+	dirs = pdirs;
+}
+
+
+void Mounts::SetDb(Db * pdb)
+{
+	db = pdb;
+}
+
+void Mounts::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+
+int Mounts::AddMountType(const wchar_t * type)
+{
+	mount_type_tab.push_back(type);
+
+return static_cast<int>(mount_type_tab.size()) - 1;
+}
+
+
+int Mounts::AddMountType(const std::wstring & type)
+{
+	return AddMountType(type.c_str());
+}
+
+
+int Mounts::AddMountFs(const wchar_t * fs)
+{
+	mount_fs_tab.push_back(fs);
+
+return static_cast<int>(mount_fs_tab.size()) - 1;
+}
+
+
+const std::wstring & Mounts::GetMountType(int id)
+{
+	if( id < 0 || id >= (int)mount_type_tab.size() )
+		return empty_str;
+
+	return mount_type_tab[id];
+}
+
+
+int Mounts::FindMountType(const std::wstring & type)
+{
+	for(size_t i=0 ; i<mount_type_tab.size() ; ++i)
+		if( mount_type_tab[i] == type )
+			return (int)i;
+
+return -1;
+}
+
+
+
+int Mounts::AddMountFs(const std::wstring & fs)
+{
+	return AddMountFs(fs.c_str());
+}
+
+
+const std::wstring & Mounts::GetMountFs(int id)
+{
+	if( id < 0 || id >= (int)mount_fs_tab.size() )
+		return empty_str;
+
+	return mount_fs_tab[id];
+}
+
+
+int Mounts::AddMountPar(const wchar_t * par)
+{
+	mount_par_tab.push_back(par);
+
+return static_cast<int>(mount_par_tab.size()) - 1;
+}
+
+
+
+int Mounts::AddMountPar(const std::wstring & par)
+{
+	return AddMountPar(par.c_str());
+}
+
+
+const std::wstring & Mounts::GetMountPar(int id)
+{
+	if( id < 0 || id >= (int)mount_par_tab.size() )
+		return empty_str;
+
+	return mount_par_tab[id];
+}
+
+
+
+// reading from 'mounts'
+void Mounts::ReadMounts(const std::wstring & mounts)
+{
+	mount_parser.SkipStaticDirs(skip_static);
+	mount_parser.SetStaticMountId(mount_type_static);
+	mount_parser.SetDirs(dirs);
+	mount_parser.SetMountTypeTab(mount_type_tab);
+	mount_parser.SetMountFsTab(mount_fs_tab);
+	mount_parser.SetMountParTab(mount_par_tab);
+
+	mount_parser.Parse(mounts, mount_tab);
+
+	CalcCurMount();
+	plugin.Call((Session*)0, WINIX_FSTAB_CHANGED);
+}
+
+
+
+// reading from /etc/fstab
+Error Mounts::ReadMounts()
+{
+	static std::wstring file = L"fstab";
+
+	Item * etc = dirs->GetEtcDir();
+
+	if( !etc )
+	{
+		log << log1 << "M: there is no /etc directory" << logend;
+		return WINIX_ERR_NO_ITEM;
+	}
+
+	Item fstab;
+	Error err = db->GetItem(etc->id, file, fstab);
+
+	if( err == WINIX_ERR_NO_ITEM )
+	{
+		log << log1 << "M: there is no /etc/fstab file" << logend;
+		return err;
+	}
+
+	if( err != WINIX_ERR_OK )
+	{
+		log << log1 << "M: cannot read /etc/fstab" << logend;
+		return err;
+	}
+
+	ReadMounts(fstab.content);
+
+return WINIX_ERR_OK;
+}
+
+
+void Mounts::MountCmsForRoot()
+{
+	Mount mount;
+	mount.type = MountTypeCms();
+	mount.fs   = MountFsSimplefs();
+
+	Item * proot = dirs->GetRootDir();
+	
+	if( proot )
+		mount.dir_id = proot->id;
+	else
+	{
+		mount.dir_id = -1;
+		log << log1 << "M: there is no a root dir" << logend;	
+	}
+
+	mount.param.resize(mount_par_tab.size());
+	mount.ClearParams();
+
+	std::pair<MountTab::iterator, bool> res = mount_tab.insert( std::make_pair(mount.dir_id, mount) );
+	pmount = &(res.first->second);
+}
+
+
+
+
+Mount * Mounts::CalcCurMount()
+{
+std::vector<Item*>::reverse_iterator i;
+
+	pmount = &empty_mount;
+
+	// when the program starts (when the dir_tab is empty() 
+	// we don't want to call MountCmsForRoot()
+	if( cur->request->dir_tab.empty() )
+		return pmount;
+	
+	for(i = cur->request->dir_tab.rbegin() ; i!=cur->request->dir_tab.rend() ; ++i)
+	{
+		std::map<long, Mount>::iterator m = mount_tab.find( (*i)->id );
+		
+		if( m != mount_tab.end() )
+		{
+			pmount = &(m->second);
+			log << log2 << "M: current mount point is: " << GetMountType(pmount->type)
+						<< ", fs: " << GetMountFs(pmount->fs) << logend;
+			return pmount;
+		}
+	}
+
+	// if nothing was found
+	// we assume that 'cms' mount point is used
+	MountCmsForRoot();
+	log << log2 << "M: current mount point is: " << GetMountType(pmount->type) << " (default)"
+		<< ", fs: " << GetMountFs(pmount->fs) << logend;
+
+return pmount;
+}
+
+
+// can return null pointer
+// and we don't assume cms as a default mount point if nothing is found
+Mount * Mounts::CalcMount(long dir_id)
+{
+	while( true )
+	{
+		Item * pdir = dirs->GetDir(dir_id);
+
+		if( !pdir )
+			return 0;
+
+		std::map<long, Mount>::iterator m = mount_tab.find( pdir->id );
+		
+		if( m != mount_tab.end() )
+			return &(m->second);
+
+		dir_id = pdir->parent_id;
+	}
+}
+
+
+const Mounts::MountTab * Mounts::GetMountTab()
+{
+	return &mount_tab;
+}
+
+
+Mount * Mounts::GetEmptyMount()
+{
+	return &empty_mount;
+}
+
+
+
+} // namespace Winix
+

winixd/core/mounts.h

@@ -0,0 +1,202 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2009-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+
+#ifndef headerfile_winix_core_mounts
+#define headerfile_winix_core_mounts
+
+
+#include <map>
+#include <string>
+#include <vector>
+#include "mount.h"
+#include "error.h"
+#include "dirs.h"
+#include "db/db.h"
+#include "request.h"
+#include "mountparser.h"
+
+
+namespace Winix
+{
+
+
+
+
+class Mounts
+{
+public:
+
+	
+	void SkipStaticDirs(bool skip);
+
+	/*
+		mount point's types
+	*/
+	int AddMountType(const wchar_t * type);
+	int AddMountType(const std::wstring & type);
+	const std::wstring & GetMountType(int id);
+
+	// id of a specific mount type (the id is always valid)
+	int MountTypeCms()    { return mount_type_cms; }
+	int MountTypeStatic() { return mount_type_static; }
+
+	// return -1 if there is no such a mount type
+	// or index otherwhise
+	int FindMountType(const std::wstring & type);
+
+
+	/*
+		file systems
+	*/
+	int AddMountFs(const wchar_t * fs);
+	int AddMountFs(const std::wstring & fs);
+	const std::wstring & GetMountFs(int id);
+
+	// id of a specific file system (the id is always valid)
+	int MountFsSimplefs() { return mount_fs_simplefs; }
+	int MountFsHashfs()   { return mount_fs_hashfs; }
+
+
+	/*
+		mount point's parameters
+	*/
+	int AddMountPar(const wchar_t * par);
+	int AddMountPar(const std::wstring & par);
+	const std::wstring & GetMountPar(int id);
+
+	int MountParPage()					{ return mount_par_page; }
+	int MountParThumbSize()				{ return mount_par_thumb_size; }
+	int MountParThumbMode()				{ return mount_par_thumb_mode; }
+	int MountParThumbQuality()			{ return mount_par_thumb_quality; }
+	int MountParImageSize()				{ return mount_par_image_size; }
+	int MountParImageMode()				{ return mount_par_image_mode; }
+	int MountParImageQuality()			{ return mount_par_image_quality; }
+	int MountParEmacsOn()				{ return mount_par_emacs_on; }
+	int MountParMkdirOn()				{ return mount_par_mkdir_on; }
+	int MountParApp()					{ return mount_par_app; }
+	int MountParHtmlTemplate()			{ return mount_par_html_template; }
+	int MountParChangeTemplate()		{ return mount_par_change_template; }
+	int MountParStatic()				{ return mount_par_static; }
+	int MountParCss()					{ return mount_par_css; }
+	int MountParLang()					{ return mount_par_lang; }
+
+	void SetDirs(Dirs * pdirs);
+	void SetDb(Db * pdb);
+	void SetCur(Cur * pcur);
+
+	// dir_id, mount_point
+	typedef std::map<long, Mount> MountTab;
+
+	Mounts();
+	void CreateMounts();
+
+	void ReadMounts(const std::wstring & mounts);
+	Error ReadMounts();
+
+	Mount * CalcCurMount();
+	Mount * CalcMount(long dir_id);
+	
+	// current mount point
+	// will not be null after calling CalcCurMount() or ReadMounts([...])
+	// !! nie korzystac obecnie z niego
+	// korzystac z cur->mount
+	// a tez zostanie wycofany
+	Mount * pmount;
+
+
+	const MountTab * GetMountTab();
+
+	// at the beginning used to initialize cur->mount
+	Mount * GetEmptyMount();
+
+private:
+
+	Db   * db;
+	Dirs * dirs;
+	Cur  * cur;
+
+	bool skip_static;
+
+	Mount empty_mount;
+	const std::wstring empty_str;
+
+	MountParser mount_parser;
+
+	std::vector<std::wstring> mount_type_tab;
+
+	int mount_type_cms;
+	int mount_type_static;
+
+	// simplefs
+	// hashfs
+	std::vector<std::wstring> mount_fs_tab;
+	
+	int mount_fs_simplefs;
+	int mount_fs_hashfs;
+
+	std::vector<std::wstring> mount_par_tab;
+
+	int mount_par_page;
+	int mount_par_thumb_size;
+	int mount_par_thumb_mode;
+	int mount_par_thumb_quality;
+	int mount_par_image_size;
+	int mount_par_image_mode;
+	int mount_par_image_quality;
+	int mount_par_emacs_on;
+	int mount_par_mkdir_on;
+	int mount_par_app;
+	int mount_par_html_template;
+	int mount_par_change_template;
+	int mount_par_static;
+	int mount_par_css;
+	int mount_par_lang;
+	
+
+	MountTab mount_tab;
+
+	void CreateMountType();
+	void CreateMountFs();
+	void CreateMountPar();
+
+	void MountCmsForRoot();
+};
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/plugin.cpp

@@ -0,0 +1,528 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <dlfcn.h>
+#include <string.h>
+#include "plugin.h"
+#include "pluginmsg.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+void Plugin::UnloadPlugins()
+{
+size_t i;
+	
+	slots.clear();
+
+	for(i=0 ; i<plugins.size() ; ++i)
+		dlclose(plugins[i].handle);
+	
+	plugins.clear();
+}
+
+
+Plugin::Plugin()
+{
+	current_plugin  = -1;
+
+	db              = 0;
+	config          = 0;
+	cur             = 0;
+	system          = 0;
+	functions       = 0;
+	templates       = 0;
+	synchro         = 0;
+	session_manager = 0;
+}
+	
+
+Plugin::~Plugin()
+{
+	UnloadPlugins();	
+}
+
+
+void Plugin::SetDb(Db * pdb)
+{
+	db = pdb;
+}
+
+void Plugin::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+void Plugin::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+void Plugin::SetSystem(System * psystem)
+{
+	system = psystem;
+}
+
+
+void Plugin::SetFunctions(Functions * pfunctions)
+{
+	functions = pfunctions;
+}
+
+
+void Plugin::SetTemplates(Templates * ptemplates)
+{
+	templates = ptemplates;
+}
+
+
+void Plugin::SetSynchro(Synchro * psynchro)
+{
+	synchro = psynchro;
+}
+
+
+void Plugin::SetSessionManager(SessionManager * psession_manager)
+{
+	session_manager = psession_manager;
+}
+
+
+
+void Plugin::Lock()
+{
+	if( synchro )
+		synchro->Lock();
+}
+
+
+void Plugin::Unlock()
+{
+	if( synchro )
+		synchro->Unlock();
+}
+
+
+
+
+bool Plugin::SetPointers(PluginInfo & info)
+{
+	// for safety we call a plugin function only when all our pointers are not null
+	bool res = (db && config && cur && system && functions && templates && synchro && session_manager);
+
+	if( !res )
+	{
+		Lock();
+		log << log1 << "Plugin: cannot call a function - some of the winix pointers are null" << logend;
+		Unlock();
+	}
+
+	info.db        = db;
+	info.config    = config;
+	info.cur       = cur;
+	info.system    = system;
+	info.functions = functions;
+	info.templates = templates;
+	info.synchro   = synchro;
+	info.session_manager = session_manager;
+
+return res;
+}
+
+
+void Plugin::LoadPlugins(const std::wstring & plugins_dir, const std::vector<std::wstring> & plugins)
+{
+	for(size_t i=0 ; i<plugins.size() ; ++i)
+	{
+		if( !plugins[i].empty() && plugins[i][0] == '/' )
+		{
+			LoadPlugin(plugins[i]);
+		}
+		else
+		{
+			temp_path = plugins_dir;
+			temp_path += '/';
+			temp_path += plugins[i];
+			LoadPlugin(temp_path);
+		}
+	}
+}
+
+
+
+
+// we don't have to use Lock() here because plugins are read
+// before threads are started
+void * Plugin::LoadInitFun(const wchar_t * filename, Fun1 & fun_init)
+{
+char file[WINIX_OS_PATH_SIZE];
+
+	if( !WideToUTF8(filename, file, WINIX_OS_PATH_SIZE) )
+		return 0;
+
+	void * p = dlopen(file, RTLD_NOW | RTLD_LOCAL);
+
+	if( !p )
+	{
+		log << log1 << "Plugin: cannot load a plugin: \"" << filename << "\"" << logend;
+		log << log1 << "Plugin: dlerror: " << dlerror() << logend;
+		return 0;
+	}
+	
+	fun_init = (Fun1)dlsym(p, "Init");
+	
+	if( !fun_init )
+	{
+		log << log1 << "Plugin: cannot load a plugin: " << filename
+			<< " (there is no Init() function)" << logend;
+
+		dlclose(p);
+		return 0;
+	}
+
+	log << log2 << "Plugin: plugin loaded"
+		<< ", file: " << filename 
+		<< ", index: " << plugins.size() << logend;
+
+return p;
+}
+
+
+
+void Plugin::LoadPlugin(const wchar_t * filename)
+{
+Fun1 fun_init;
+void * plugin_handle;
+int old_current_plugin;
+PluginInfo info;
+
+	if( !SetPointers(info) )
+		return;
+
+	if( !(plugin_handle = LoadInitFun(filename, fun_init)) )
+		return;
+
+	info.Clear();
+	old_current_plugin = current_plugin;
+	current_plugin     = (int)plugins.size();
+	info.plugin_id     = current_plugin;
+
+	fun_init(info);
+
+	PluginsItem item;
+	item.handle = plugin_handle;
+	item.plugin_name = reinterpret_cast<const wchar_t *>(info.p1);
+
+	plugins.push_back(item);
+
+	current_plugin = old_current_plugin;
+}
+
+
+void Plugin::LoadPlugin(const std::wstring & filename)
+{
+	LoadPlugin(filename.c_str());
+}
+
+
+
+bool Plugin::HasPlugin(const wchar_t * name)
+{
+	if( *name == 0 )
+		return false;
+
+	for(size_t i=0 ; i<plugins.size() ; ++i)
+	{
+		if( plugins[i].plugin_name && Equal(plugins[i].plugin_name, name) )
+			return true;
+	}
+
+return false;
+}
+
+
+
+bool Plugin::HasPlugin(const std::wstring & name)
+{
+	return HasPlugin(name.c_str());
+}
+
+
+bool Plugin::HasMessage(int message)
+{
+	return (slots.find(message) != slots.end());
+}
+
+
+void Plugin::Call(Session * ses, int message, Slots::iterator & slot, PluginInfo & info)
+{
+	if( !SetPointers(info) )
+		return;
+
+	current_plugin = slot->second.index;
+	info.plugin_id = current_plugin;
+	info.session   = ses;
+
+	if( current_plugin != -1 && ses )
+		info.plugin_data_base = ses->plugin_data.Get(current_plugin);
+	else
+		info.plugin_data_base = 0;
+
+	if( !slot->second.is_running )
+	{
+		if( config->log_plugin_call )
+		{
+			Lock();
+			log << log1 << "Plugin: calling plugin id: " << slot->second.index << ", message: " << message << logend;
+			Unlock();
+		}
+
+		slot->second.is_running = true;
+
+		if( slot->second.fun1 )
+			slot->second.fun1(info);
+
+		if( slot->second.fun2 )
+			slot->second.fun2();
+
+		slot->second.is_running = false;
+
+		if( config->log_plugin_call )
+		{
+			Lock();
+			log << log1 << "Plugin: returning from plugin id: " << slot->second.index << ", message: " << message
+				<< ", result: " << (info.res? "true" : "false") << logend;
+			Unlock();
+		}
+
+	}
+	else
+	{
+		Lock();
+		log << log1 << "Plugin: id: " << slot->second.index
+			<< ", message: " << message
+			<< ", recurrences are not allowed" << logend;
+		Unlock();
+	}
+}
+
+
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_, void * p2_, long l1_, long l2_)
+{
+PluginRes res;
+int old_current_plugin = current_plugin;
+PluginInfo info;
+
+	Slots::iterator i = slots.lower_bound(message);
+
+	for( ; i!=slots.end() && i->first==message ; ++i )
+	{
+		info.Clear();
+		info.p1 = p1_;
+		info.p2 = p2_;
+		info.l1 = l1_;
+		info.l2 = l2_;
+
+		Call(ses, message, i, info);
+
+		if( info.res )
+			++res.res_true;
+		else
+			++res.res_false;
+	}
+	
+	current_plugin = old_current_plugin;
+
+return res;
+}
+
+
+PluginRes Plugin::Call(int message)
+{
+	return Call(cur->session, message, 0, 0, 0, 0);
+}
+
+
+PluginRes Plugin::Call(int message, void * p1_)
+{
+	return Call(cur->session, message, p1_, 0, 0, 0);
+}
+
+
+PluginRes Plugin::Call(int message, void * p1_, void * p2_)
+{
+	return Call(cur->session, message, p1_, p2_, 0, 0);
+}
+
+
+PluginRes Plugin::Call(int message, long l1_)
+{
+	return Call(cur->session, message, 0, 0, l1_, 0);
+}
+
+
+PluginRes Plugin::Call(int message, long l1_, long l2_)
+{
+	return Call(cur->session, message, 0, 0, l1_, l2_);
+}
+
+
+PluginRes Plugin::Call(int message, void * p1_, long l1_)
+{
+	return Call(cur->session, message, p1_, 0, l1_, 0);
+}
+
+
+PluginRes Plugin::Call(int message, void * p1_, long l1_, long l2_)
+{
+	return Call(cur->session, message, p1_, 0, l1_, l2_);
+}
+
+
+PluginRes Plugin::Call(int message, void * p1_, void * p2_, long l1_)
+{
+	return Call(cur->session, message, p1_, p2_, l1_, 0);
+}
+
+
+
+PluginRes Plugin::Call(Session * ses, int message)
+{
+	return Call(ses, message, 0, 0, 0, 0);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_)
+{
+	return Call(ses, message, p1_, 0, 0, 0);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_, void * p2_)
+{
+	return Call(ses, message, p1_, p2_, 0, 0);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, long l1_)
+{
+	return Call(ses, message, 0, 0, l1_, 0);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, long l1_, long l2_)
+{
+	return Call(ses, message, 0, 0, l1_, l2_);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_, long l1_)
+{
+	return Call(ses, message, p1_, 0, l1_, 0);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_, long l1_, long l2_)
+{
+	return Call(ses, message, p1_, 0, l1_, l2_);
+}
+
+
+PluginRes Plugin::Call(Session * ses, int message, void * p1_, void * p2_, long l1_)
+{
+	return Call(ses, message, p1_, p2_, l1_, 0);
+}
+
+
+
+
+
+size_t Plugin::Size()
+{
+	return plugins.size();
+}
+
+
+/*
+       !! IMPROVE ME
+       Assign() can work only if other threads are not started
+       we can add some barrier/flag so when other threads starts
+       then we cannot use Assign() method
+*/
+void Plugin::Assign(int message, Fun1 fun1)
+{
+Slot s;
+
+	if( current_plugin == -1 )
+		return;
+
+	s.fun1  = fun1;
+	s.index = current_plugin;
+
+	slots.insert( std::make_pair(message, s) );
+	log << log3 << "Plugin: added function for message: " << message << ", plugin index: " << s.index << logend;
+}
+
+
+void Plugin::Assign(int message, Fun2 fun2)
+{
+Slot s;
+
+	if( current_plugin == -1 )
+		return;
+
+	s.fun2  = fun2;
+	s.index = current_plugin;
+
+	slots.insert( std::make_pair(message, s) );
+	log << log3 << "Plugin: added function for message: " << message << ", plugin index: " << s.index << logend;
+}
+
+
+const Plugin::Plugins * Plugin::GetPlugins()
+{
+	return &plugins;
+}
+
+
+} // namespace Winix
+

winixd/core/plugin.h

@@ -0,0 +1,281 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef headerfile_winix_core_plugin
+#define headerfile_winix_core_plugin
+
+#include <vector>
+#include <string>
+#include <map>
+#include "pluginmsg.h"
+#include "log.h"
+#include "plugindata.h"
+#include "config.h"
+#include "request.h"
+#include "system.h"
+#include "sessionmanager.h"
+#include "synchro.h"
+#include "functions/functions.h"
+#include "templates/templates.h"
+
+
+namespace Winix
+{
+
+
+
+
+/*
+	all your plugin functions can have signature either:
+	void my_function(PluginInfo & info); or
+	void my_function();
+
+	only the main Init should have:
+	extern "C" void Init(PluginFunction & info);
+
+	in the Init you can add your own functions by using plugin.Assign() method
+	and you can set the name of the plugin by setting info.p1 pointer 
+	to a string buffer (const wchar_t *)
+	(this buffer will not be copied so it should not be destroyed after Init finishes)
+	also in Init you can only use logger (log) info.config and info.db objects
+	(the rest winix objects are not initialized yet)
+*/
+
+
+
+
+struct PluginInfo
+{
+	// these variables are used for some purposes
+	// depending on a hook in which they are used
+	void * p1;
+	void * p2;
+	long l1;
+	long l2;
+
+	// unique plugin identifier
+	int plugin_id;
+	
+	// objects from winix which are accessible from a plugin
+	Db        * db;
+	Config    * config;
+	Cur       * cur;
+	System    * system;
+	Functions * functions;
+	Templates * templates;
+	Synchro   * synchro;
+	SessionManager * session_manager;
+
+	// a session
+	// some messages are sent in a session's context e.g. logging a user
+	// this pointer in not always the same as cur->session, it is preferred
+	// to use this pointer instead of cur->session
+	// (cur->session can point at a temporary object)
+	// this pointer can be null
+	Session * session;
+
+	// pointer to the plugin session (can be null if not set by the plugin or if session is null)
+	// this is taken from session->plugin_data.Get()
+	// you should use WINIX_SESSION_CREATED and WINIX_PLUGIN_SESSION_DATA_REMOVE
+	// to create your plugin's session data
+	PluginDataBase * plugin_data_base; // !! zmienic nazwe na plugin_session_base ? a moze session_base; a moze plugin_session?
+
+	// function return status
+	// default: false (if not set by the plugin)
+	bool res;
+	
+	
+	void Clear()
+	{
+		// pointers to winix objects are not cleared here
+
+		p1 = 0;
+		p2 = 0;
+		l1 = 0;
+		l2 = 0;
+
+		plugin_id			= -1;
+		session				= 0;
+		plugin_data_base	= 0;
+
+		res = false;
+	}
+};
+
+
+/*
+	this structure tells how many plugins returned true and false
+*/
+struct PluginRes
+{
+	int res_false;
+	int res_true;
+
+	PluginRes()
+	{
+		res_false = 0;
+		res_true  = 0;
+	}
+};
+
+
+
+class Plugin
+{
+public:	
+
+	// index of a plugin which is called by Call() method
+	// normally: -1
+	int current_plugin;
+
+	// Fun is a type of a function you should provide in your plugin
+	typedef void (*Fun1)(PluginInfo &);
+	typedef void (*Fun2)(void);
+
+
+	struct Slot
+	{
+		Fun1 fun1;
+		Fun2 fun2;
+		int index; // plugin index (which plugin has inserted the slot)
+		bool is_running;
+
+		Slot()
+		{
+			fun1  = 0;
+			fun2  = 0;
+			index = -1;
+			is_running = false;
+		}
+	};
+
+	struct PluginsItem
+	{
+		void * handle;
+		const wchar_t * plugin_name; // plugin name (can be null if was not set by the plugin)
+	};
+
+	typedef std::vector<PluginsItem> Plugins;
+
+
+	Plugin();
+	~Plugin();
+
+	void SetDb(Db * pdb);
+	void SetConfig(Config * pconfig);
+	void SetCur(Cur * pcur);
+	void SetSystem(System * psystem);
+	void SetFunctions(Functions * pfunctions);
+	void SetTemplates(Templates * ptemplates);
+	void SetSynchro(Synchro * psynchro);
+	void SetSessionManager(SessionManager * psession_manager);
+
+	void LoadPlugin(const wchar_t * filename);
+	void LoadPlugin(const std::wstring & filename);
+
+	void LoadPlugins(const std::wstring & plugins_dir, const std::vector<std::wstring> & plugins);
+	void UnloadPlugins();
+	
+	bool HasPlugin(const wchar_t * name);
+	bool HasPlugin(const std::wstring & name);
+
+	bool HasMessage(int message);
+
+	PluginRes Call(int message);
+	PluginRes Call(int message, void * p1_);
+	PluginRes Call(int message, void * p1_, void * p2_);
+	PluginRes Call(int message, long l1_);
+	PluginRes Call(int message, long l1_, long l2_);
+	PluginRes Call(int message, void * p1_, long l1_);
+	PluginRes Call(int message, void * p1_, long l1_, long l2_);
+	PluginRes Call(int message, void * p1_, void * p2_, long l1_);
+	PluginRes Call(Session * ses, int message, void * p1_, void * p2_, long l1_, long l2_);
+	
+	PluginRes Call(Session * ses, int message);
+	PluginRes Call(Session * ses, int message, void * p1_);
+	PluginRes Call(Session * ses, int message, void * p1_, void * p2_);
+	PluginRes Call(Session * ses, int message, long l1_);
+	PluginRes Call(Session * ses, int message, long l1_, long l2_);
+	PluginRes Call(Session * ses, int message, void * p1_, long l1_);
+	PluginRes Call(Session * ses, int message, void * p1_, long l1_, long l2_);
+	PluginRes Call(Session * ses, int message, void * p1_, void * p2_, long l1_);
+
+	// how many plugins there are
+	size_t Size();
+
+	// assign a function to a message
+	// you can assign more than one function to a specific message
+	void Assign(int message, Fun1);
+	void Assign(int message, Fun2);
+
+	// return a const pointer to the plugin tab
+	const Plugins * GetPlugins();
+
+private:	
+
+	Db        * db;
+	Config    * config;
+	Cur       * cur;
+	System    * system;
+	Functions * functions;
+	Templates * templates;
+	Synchro   * synchro;
+	SessionManager * session_manager;
+
+	std::wstring temp_path;	// used when loading plugins
+
+	Plugins plugins;
+	
+	typedef std::multimap<int, Slot> Slots;
+	Slots slots;
+
+	void * LoadInitFun(const wchar_t * filename, Fun1 & fun_init);
+	void Call(Session * ses, int message, Slots::iterator & slot, PluginInfo & info);
+
+	bool SetPointers(PluginInfo & info);
+	void Lock();
+	void Unlock();
+};
+
+
+
+
+extern Plugin plugin;
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/plugindata.cpp

@@ -0,0 +1,189 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "plugindata.h"
+#include "plugin.h"
+#include "log.h"
+#include "session.h"
+
+
+namespace Winix
+{
+
+
+
+
+PluginData::PluginData()
+{
+	session = 0;
+}
+
+
+
+PluginData::PluginData(const PluginData & p)
+{
+	operator=(p);
+}
+
+
+
+PluginData & PluginData::operator=(const PluginData & p)
+{
+	// we don't copy all pointers - only resize the table
+	// pointers will be set to zero
+	Resize(p.Size());
+	session = 0;
+
+return *this;
+}
+
+
+
+PluginData::~PluginData()
+{
+	DeleteAll();
+}
+
+
+void PluginData::SetSession(Session * ses)
+{
+	session = ses;
+}
+
+
+
+void PluginData::Assign(size_t index, PluginDataBase * data)
+{
+	if( index >= table.size() )
+		Resize(index+1);
+
+	table[index] = data;
+}
+
+
+void PluginData::Assign(PluginDataBase * data)
+{
+	if( plugin.current_plugin == -1 )
+	{
+		log << log1 << "PD: Assign(PluginDataBase*) should be called only from plugins" << logend;
+		return;
+	}
+
+	Assign(plugin.current_plugin, data);
+}
+
+
+
+PluginDataBase * PluginData::Get(size_t index)
+{
+	if( index >= table.size() )
+		Resize(index+1);
+
+return table[index];
+}
+
+
+PluginDataBase * PluginData::Get()
+{
+	if( plugin.current_plugin == -1 )
+	{
+		log << log1 << "PD: Get() should be called only from plugins" << logend;
+		return 0;
+	}
+
+return Get(plugin.current_plugin);
+}
+
+
+
+
+void PluginData::DeleteAll()
+{
+	bool all_null = true;
+
+	/*
+		when we copy a session's object (and this object then)
+		we resize the table and there are only null pointers there
+		consequently if all pointers are null there is no sens
+		to send WINIX_PLUGIN_SESSION_DATA_REMOVE
+	*/
+
+	for(size_t i=0 ; i<table.size() ; ++i)
+	{
+		if( table[i] != 0 )
+		{
+			all_null = false;
+			break;
+		}
+	}
+
+	/*
+		in the future this message may be removed
+		and we directly 'delete' the pointers
+	*/
+
+	if( !all_null )
+		plugin.Call(session, WINIX_PLUGIN_SESSION_DATA_REMOVE);
+
+	table.clear();
+}
+
+
+
+
+
+size_t PluginData::Size() const
+{
+	return table.size();
+}
+
+
+
+void PluginData::Resize(size_t new_size)
+{
+size_t old_size = table.size();
+
+	if( old_size == new_size )
+		return;
+
+	table.resize(new_size);
+
+	for(size_t i = old_size ; i<new_size ; ++i)
+		table[i] = 0;
+}
+
+
+
+} // namespace Winix
+

winixd/core/plugindata.h

@@ -0,0 +1,102 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_plugindata
+#define headerfile_winix_core_plugindata
+
+#include <vector>
+#include <cstddef>
+
+namespace Winix
+{
+
+
+
+struct Session;
+
+
+struct PluginDataBase
+{
+	virtual ~PluginDataBase() {}
+
+	/*
+		!! CHECK ME
+		it is still in use?
+
+		when deleting sessions we first call Clear() method
+		consequently the destructor has nothing to do
+		(and it does not throw an exception)
+	*/
+	virtual void Clear() {}
+};
+
+
+
+
+class PluginData
+{
+public:
+
+	PluginData();
+	PluginData(const PluginData & p);
+	PluginData & operator=(const PluginData & p);
+	~PluginData();
+
+	void SetSession(Session * ses);
+
+	void Assign(size_t index, PluginDataBase * data);
+	void Assign(PluginDataBase * data);
+
+	PluginDataBase * Get(size_t index);
+	PluginDataBase * Get();
+
+	void DeleteAll();
+
+	size_t Size() const;
+	void Resize(size_t new_size);
+
+
+private:
+
+	Session * session;
+	std::vector<PluginDataBase*> table;
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/pluginmsg.h

@@ -0,0 +1,332 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2015, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+
+#ifndef headerfile_winix_core_pluginmsg
+#define headerfile_winix_core_pluginmsg
+
+
+namespace Winix
+{
+
+
+
+
+// here you can add your own EZC functions ([function])
+// PluginInfo.p1 is a pointer to Ezc::Functions object
+// PluginInfo.p2 is a pointer to Ezc::Objects object
+// session pointer is null
+#define WINIX_TEMPLATES_CREATEFUNCTIONS		999
+
+// here you can add your own EZC functions to notify system
+// warning: this functions will be called from an other thread
+// so you should use synchro->Lock() and synchro->Unlock()
+// when attempting to winix objects
+// PluginInfo.p1 is a pointer to Ezc::Functions object
+// which is defined as:
+//    Ezc::Functions<NotifyStream> ezc_functions;
+// and Notify Stream is:
+//    typedef TextStream<std::wstring> NotifyStream;
+// session pointer is null
+#define WINIX_NOTIFY_TEMPLATES_CREATEFUNCTIONS			998
+
+// winix function and parameters have been parsed
+// the request.status is OK
+// (the winix function was not called yet)
+#define WINIX_PREPARE_REQUEST				20000
+
+// post and get functions have done their jobs
+// now you can act
+// this is called only if the request.status is OK
+#define WINIX_PROCESS_REQUEST				20010
+
+// prepere your content for displaying
+// this is called after WINIX_PROCESS_REQUEST
+// and when there is not a redirect
+// request.status is not checked here
+#define WINIX_CONTENT_MAKE					20020
+
+// here you can attach your own session data (based on PluginDataBase class)
+// call cur->session->plugin_data.Assign(pointer)
+#define WINIX_SESSION_CREATED				30000
+
+// here you should remove your session data
+// this message can be sent even if you don't assing your plugin data
+#define WINIX_PLUGIN_SESSION_DATA_REMOVE	30010
+
+// when a session is changed (you can save a pointer to your data here)
+// 'session changed' means that there is a new request
+// !! IMPROVE ME it has to be changed to a better name
+#define WINIX_SESSION_CHANGED				30020
+
+// a session has changed its id
+// it is typically when you are logging in
+// 'login' winix function will change the session id (for security reasons)
+// in l1 you have the old id, in l2 you have the new id
+#define WINIX_SESSION_CHANGED_ID			30025
+
+// a session is going to be removed
+// it is called from session manager's thread (with lock/unlock)
+#define	WINIX_PREPARE_SESSION_TO_REMOVE		30027
+
+// a session has been removed
+// it is called from session manager's thread (with lock/unlock)
+// in l1 you have the old session id
+#define WINIX_SESSION_REMOVED				30029
+
+// the winix is closing
+// there is not any sessions available (cur->session is null)
+// session pointer is null
+#define WINIX_CLOSE							30040
+
+// preparing to remove a file (rm function)
+// in p1 you have a pointer to the Item struct (file)
+// valid members are:
+//  id, parent_id, type, url, file_path, file_fs, file_type, has_thumb, hash, hash_type, file_size
+//  user_id, group_id, privileges
+//  (sometimes rest members can be valid as well -- when you call directly fun_rm->RemoveFileOrSymlink() method)
+#define WINIX_FILE_PREPARE_TO_REMOVE		30045
+
+// a file or symlink was removed (rm function)
+// in p1 you have a pointer to the Item struct (old file)
+// valid members are the same as in WINIX_FILE_PREPARE_TO_REMOVE
+#define WINIX_FILE_REMOVED					30050
+
+// preparing to remove a directory (rm function)
+// in p1 you have a pointer to the Item struct (directory)
+// this message is sent after checking the directory permissions
+// so consequently if there is no any database error then the
+// directory will be removed
+// and after removed WINIX_DIR_REMOVED message is sent
+#define WINIX_DIR_PREPARE_TO_REMOVE			30070
+
+// directory was removed (rm function)
+// PluginInfo::l1 is the directory id
+#define WINIX_DIR_REMOVED					30060
+
+// winix is initialized,
+// now you can initialize your plugin
+// session pointer is null
+#define WINIX_PLUGIN_INIT					30080	
+
+// here you can add your own mount point, file systems, mount parameters
+// for adding a new mount type call: system->mounts.AddMountType("new_mount_name")
+// session pointer is null
+#define WINIX_ADD_MOUNTS					30090
+
+// add plugin functions (winix functions) here
+// call info.functions->Add() to add a function
+// session pointer is null
+#define WINIX_CREATE_FUNCTIONS				30100
+
+// choose a default function
+// if you do not select it then it will be choosen by winix
+#define WINIX_SELECT_DEFAULT_FUNCTION		30110
+
+// /etc/fstab has been changed
+// now we have new mount points
+// session pointer is null
+#define WINIX_FSTAB_CHANGED					30120
+
+// here you add your own template to notification system
+// call system->notify.AddTemplate() method
+// with a template file name
+// session pointer is null
+#define WINIX_NOTIFY_ADD_TEMPLATE			30130
+
+// the request is being ended
+// you can clear some of your objects here
+#define WINIX_END_REQUEST					30140
+
+// a new file (page) has been added
+// in p1 you have a pointer to the Item struct
+#define WINIX_FILE_ADDED					30150
+
+// a file (page) has been changed (edited)
+// in p1 you have a pointer to the Item struct
+#define WINIX_FILE_CHANGED					30160
+
+// a new directory has been added
+// in p1 you have a pointer to the Item struct
+#define WINIX_DIR_ADDED						30155
+
+// a file (page) has been copied
+// in p1 you have a pointer to the Item struct
+// not every fields of Item struct are filled
+#define WINIX_FILE_COPIED					30170
+
+// a file will be moved
+// in p1 you have a pointer to the Item struct
+// valid members are:
+//  id, parent_id, type, url, file_path, file_fs, file_type, has_thumb, hash, hash_type, file_size
+//  user_id, group_id, privileges, meta
+//  (sometimes rest members can be valid as well -- when you call directly fun_rm->RemoveFileOrSymlink() method)
+#define WINIX_FILE_PREPARE_TO_MOVE			30180
+
+// a file has been moved
+// in p1 you have a pointer to the Item struct (new file)
+// valid members are the same as in WINIX_FILE_PREPARE_TO_MOVE
+#define WINIX_FILE_MOVED					30190
+
+// a thumbnail was created
+// this message is called from another thread
+// the thread called Lock() before sending this message
+// in p1 you have a pointer to the Item struct
+// session pointer is null
+#define WINIX_CREATED_THUMB					30500
+
+// an image has been resized
+// this message is called from another thread
+// the thread called Lock() before sending this message
+// in p1 you have a pointer to the Item struct
+// session pointer is null
+#define WINIX_IMAGE_RESIZED					30520
+
+// content of a directory was sorted
+// (winix 'sort' function was used)
+// in p1 you have a pointer to the Item struct (of the directory)
+// this is from system->dirs so you should not change the item
+#define WINIX_DIR_CONTENT_SORTED			30500
+
+// a user will be logged in
+// set PluginInfo::res to false (it is by default) to prevent logging the user
+// directly after this message (if you do not return false) 
+// a WINIX_USER_LOGGED is sent
+// in p1 you have a pointer to User struct
+// (if at least one plugin returns false then the user will not be logged)
+// this message is not sent when winix starts and sessions are read from a sessions file
+// in such a case only WINIX_USER_LOGGED will be sent
+#define WINIX_PREPARE_USER_TO_LOGIN			30550
+
+// a user has been logged
+// send from 'login' winix function
+// this message is also called when winix starts and reads sessions 
+// from the session file
+#define WINIX_USER_LOGGED					30600
+
+// a user is going to logout
+// in p1 you have a pointer to User struct
+// the message is also sent from the session GC (special thread for deleting sessions)
+// in such a case is sent with Lock() and Unlock()
+// so *don't* use Lock() in your procedure 
+#define WINIX_PREPARE_USER_TO_LOGOUT		30610
+
+// here you add your own html templates
+// call TemplatesFunctions::patterns.Add(L"file_name.html")
+// the method returns an index which you have to remember
+// and you can get the template with patterns.Get(index, lang_index)
+// it returns a pointer to Ezc::Pattern (or null pointer if the index is wrong)
+// the message will be sent too whenever 'reload/templates' winix function is called
+// templates you should add only in this message 
+// in other cases after 'reload' function the indexes would be wrong 
+// session pointer is null
+#define WINIX_ADD_TEMPLATE					31000
+
+// a user will be removed
+// in p1 you have a pointer to the User struct
+// directly after this message a WINIX_USER_REMOVED will be sent
+#define WINIX_PREPARE_TO_REMOVE_USER		31010
+
+// a user has been removed
+// in l1 you have the old user_id
+#define WINIX_USER_REMOVED					31020
+
+// here you can check if the domain part of the URL address is correct
+// if no then set cur-request->redirect_to
+// and winix will do a 'base url redirect' without making any winix functions
+// the session pointer in info is null
+#define WINIX_BASE_URL_REDIRECT				31030
+
+// raw POST parameters
+// in p1 there is a pointer to std::wstring meaning a parameter's name
+// in p2 there is a pointer to std::wstring value
+// this is sent only from PostParser
+// PostMultiParser (multipart/form-data html forms) doesn't send this messsage
+// there is no a session set (session pointer is null)
+// this message is sent for each name value pairs
+//
+#define WINIX_POST_PARAMS					31040
+
+// this is the raw string sent in POST method
+// in p1 there is a pointer to std::string object
+#define WINIX_RAW_POST_STRING				31050
+
+// this message is sent before calling MakePost() or MakeGet()
+// if you return false (which is default) you can prevent the access
+// to the resource
+#define WINIX_CHECK_PLUGIN_ACCESS			31060
+
+// http headers (without cookies) were created and are ready to send
+// here you can make some changes to them
+// in p1 you have a pointer to the PT::Space (Request::out_headers)
+#define WINIX_PREPARE_TO_SEND_HTTP_HEADERS			31070
+
+// http cookies were created and are ready to send
+// here you can make some changes to them
+// in p1 you have a pointer to the PT::Space (Request::out_cookies)
+#define WINIX_PREPARE_TO_SEND_HTTP_COOKIES			31080
+
+
+/*
+	messages sent from other threads
+	!! IMPROVE ME check if some above messages should be moved here
+*/
+
+
+// a job has to be done
+// this is sent from the other thread (without locking)
+// in p1 you have a pointer to PT::Space
+// session is null
+// if you process the job then return 'true' from the processing method (from plugin call)
+// so this prevent to make a standard (system) job
+#define WINIX_JOB							31200
+
+
+
+
+
+
+// values from 4000 - 4099 reserved for 'thread' plugin
+// see plugins/thread/pluginmsg.h
+
+// values from 4100 - 4199 reserved for 'ticket' plugin
+// see plugins/ticket/pluginmsg.h
+
+
+} // namespace Winix
+
+
+
+
+#endif

winixd/core/postmultiparser.cpp

@@ -0,0 +1,621 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include "postmultiparser.h"
+#include "log.h"
+#include "utf8/utf8.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+PostMultiParser::PostMultiParser()
+{
+	in_buffer = new unsigned char[WINIX_POSTMULTI_INPUT_BUFFER];
+}
+
+
+PostMultiParser::PostMultiParser(const PostMultiParser & p)
+{
+	in_buffer = new unsigned char[WINIX_POSTMULTI_INPUT_BUFFER];
+	config = p.config;
+}
+
+
+PostMultiParser & PostMultiParser::operator=(const PostMultiParser & p)
+{
+	in_buffer = new unsigned char[WINIX_POSTMULTI_INPUT_BUFFER];
+	config = p.config;
+
+return *this;
+}
+
+
+PostMultiParser::~PostMultiParser()
+{
+	delete [] in_buffer;
+}
+
+
+void PostMultiParser::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+void PostMultiParser::ReadBoundary()
+{
+	boundary.clear();
+
+	while( last != -1 && last != 10 && last != 13 )
+	{
+		boundary += last;
+		ReadChar();
+	}
+	
+	if( last == 13 )
+	{
+		ReadChar();
+		line_end_dos = true;
+	}
+
+	if( last == 10 )
+		ReadChar();
+}
+
+
+bool PostMultiParser::IsWhite(int c)
+{
+	if( c==' ' || c=='\t' || c==13 )
+		return true;
+
+return false;
+}
+
+
+void PostMultiParser::SkipWhite()
+{
+	while( IsWhite(last) )
+		ReadChar();
+}
+
+
+bool PostMultiParser::IsHeader()
+{
+	SkipWhite();
+
+	if( last == 10 )
+	{
+		ReadChar();
+		return false;
+	}
+
+return true;
+}
+
+
+
+void PostMultiParser::ReadHeaderName()
+{
+	SkipWhite();
+
+	while( last!=-1 && last!=':' && last!='=' && !IsWhite(last) && last!=10 )
+	{
+		header_name += last;
+		ReadChar();
+	}
+
+	SkipWhite();
+
+	if( last != ':' && last != '=' )
+	{
+		err = WINIX_ERR_BROKEN_INPUT;
+		return;
+	}
+
+	ReadChar();
+}
+
+
+void PostMultiParser::ReadHeaderValue()
+{
+bool was_apost = false;
+
+	SkipWhite();
+
+	if( last == '"' )
+	{
+		was_apost = true;
+		ReadChar();
+	}
+
+	while( last!=-1 && last!=10 &&
+		 ((!was_apost && last!=';' && !IsWhite(last)) || (was_apost && last!='"')))
+	{
+		header_value += last;
+		ReadChar();
+	}
+
+	if( was_apost )
+	{
+		if( last != '"' )
+		{
+			err = WINIX_ERR_BROKEN_INPUT;
+			return;
+		}
+
+		ReadChar();
+	}
+
+	SkipWhite();
+
+	if( last != ';' && last != 10 )
+	{
+		err = WINIX_ERR_BROKEN_INPUT;
+		return;
+	}
+
+	ReadChar();
+}
+
+
+void PostMultiParser::ReadPartHeader()
+{
+	header_name.clear();
+	header_value.clear();
+
+	ReadHeaderName();
+
+	if( err != WINIX_ERR_OK )
+		return;
+
+	ReadHeaderValue();
+
+	if( err != WINIX_ERR_OK )
+		return;
+
+	log << "PMP: " << header_name << ": " << header_value << logend;
+
+	if( header_name == "name" )
+		name = header_value;
+
+	if( header_name == "filename" )
+		filename = header_value;
+
+}
+
+
+
+bool PostMultiParser::HasBoundary()
+{
+	if( content.size() < boundary.size() )
+		return false;
+
+	size_t c = content.size() - boundary.size();
+	size_t b = 0;
+
+	for( ; c<content.size() ; ++c, ++b)
+	{
+		if( content[c] != boundary[b] )
+			return false;
+	}
+
+return true;
+}
+
+
+
+void PostMultiParser::LogFirst(const std::string & to_log, size_t len)
+{
+	if( len > to_log.size() )
+		len = to_log.size();
+
+	log << log3 << "PMP: Content (";
+	
+	if( len > 0 )
+		log << "len: " << to_log.size() << ", first " << len << " bytes";
+	else
+		log << "empty";
+
+	log << "): \"";
+	log.LogString(to_log, len);
+	log << "\"" << logend;
+}
+
+
+void PostMultiParser::ReadContentSkipBoundary(bool has_boundary)
+{
+	if( has_boundary && content.size() >= boundary.size() )
+	{
+		content.erase(content.size()-boundary.size());
+		content_len -= boundary.size();
+	}
+
+	// the last new line character doesn't belong to the content
+	// this is a new line character before the boundary
+	if( !content.empty() && content[content.size()-1] == 10 )
+	{
+		content.erase(content.size()-1);
+		content_len -= 1;
+
+		if( line_end_dos && !content.empty() && content[content.size()-1] == 13 )
+		{
+			content.erase(content.size()-1);
+			content_len -= 1;
+		}
+	}
+}
+
+
+void PostMultiParser::ReadContentToFileLoop()
+{
+bool has_boundary = false;
+
+
+	while( last!=-1 )
+	{
+		content += last;
+		content_len += 1;
+		ReadChar();
+
+		if( HasBoundary() )
+		{
+			has_boundary = true;
+			break;
+		}
+
+		if( content.size() >= WINIX_POSTMULTI_OUTPUT_BUFFER )
+		{
+			tmp_file.write(content.c_str(), content.size());
+			content.clear();
+		}
+
+		if( config->post_file_max != 0 && content_len > config->post_file_max )
+		{
+			err = WINIX_ERR_INPUT_TOO_LARGE;
+			log << log1 << "PMP: content greater than " << config->post_file_max << " (skipping)" << logend;
+			return;
+		}
+	}
+
+	ReadContentSkipBoundary(has_boundary);
+
+	// saving the rest
+	if( !content.empty() )
+	{
+		tmp_file.write(content.c_str(), content.size());
+		content.clear();
+	}
+}
+
+
+
+
+void PostMultiParser::ReadContentToFile()
+{
+time_t t1, t2;
+
+	content.clear();
+	content.reserve(WINIX_POSTMULTI_OUTPUT_BUFFER);
+	content_len = 0;
+	t1 = time(0);
+
+	ReadContentToFileLoop();
+
+	tmp_file.close();
+	log << log2 << "PMP: content size: " << content_len << " bytes" << logend;
+
+	t2 = time(0);
+
+	if( t2 - t1 > 1 )
+		log << log2 << "PMP: content read in " << (t2-t1) << " sec" << logend;
+}
+
+
+void PostMultiParser::ReadContentLoop()
+{
+bool has_boundary = false;
+
+
+	while( last!=-1 && !(has_boundary=HasBoundary()) )
+	{
+		content     += last;
+		content_len += 1;
+		ReadChar();
+
+		if( config->post_file_max != 0 && content_len > (size_t)config->post_file_max )
+		{
+			err = WINIX_ERR_INPUT_TOO_LARGE;
+			log << log1 << "PMP: content greater than " << config->post_file_max << " (skipping)" << logend;
+			return;
+		}
+	}
+
+	ReadContentSkipBoundary(has_boundary);
+}
+
+
+void PostMultiParser::ReadContent()
+{
+	content.clear();
+	content_len = 0;
+
+	ReadContentLoop();
+	
+	log << log2 << "PMP: content size: " << content_len << " bytes" << logend;
+
+	if( !IsSubStringNoCase("pass", name.c_str()) )
+		LogFirst(content, config->log_post_value_size);
+}
+
+
+void PostMultiParser::ConvStr(const std::string & src, std::wstring & dst)
+{
+	PT::UTF8ToWide(src, dst);
+}
+
+
+void PostMultiParser::AddNormalPostVar()
+{
+	if( post_tab->size() >= WINIX_POSTTABLE_MAXSIZE )
+	{
+		err = WINIX_ERR_INPUT_TOO_LARGE;
+		log << log1 << "PMP: more than " << WINIX_POSTTABLE_MAXSIZE << " post variables (skipping)" << logend;
+		return;
+	}
+
+	ConvStr(name, namew);
+	ConvStr(content, contentw);
+
+	bool added = InsertPostVar(*post_tab, namew, contentw);
+
+	log << log2 << "PMP: POST var, name: \"" << namew << "\""; 
+
+	if( !added )
+		log << log2 << " (skipped)";
+		
+	log << logend;
+}
+
+
+void PostMultiParser::AddFilePostVar()
+{
+	if( post_file_tab->size() >= WINIX_POSTTABLE_MAXSIZE )
+	{
+		err = WINIX_ERR_INPUT_TOO_LARGE;
+		log << log1 << "PMP: more than " << WINIX_POSTTABLE_MAXSIZE << " post file variables (skipping)" << logend;
+		return;
+	}
+
+	ConvStr(name, namew);
+	ConvStr(filename, post_file_temp.filename);
+	post_file_temp.tmp_filename = tmp_filename;
+	post_file_temp.file_size = content_len;
+
+	bool added = InsertPostVar(*post_file_tab, namew, post_file_temp);
+
+	log << log2 << "PMP: POST FILE var, name: \"" << namew << "\""; 
+
+	if( !added )
+		log << log2 << " (skipped)";
+		
+	log << logend;
+}
+
+
+void PostMultiParser::AddPostVar()
+{
+	if( name.empty() )
+		return;
+
+	if( filename.empty() )
+		AddNormalPostVar();
+	else
+		AddFilePostVar();
+}
+
+
+
+void PostMultiParser::CheckBoundaryEnd()
+{
+	if( last == '-' )
+	{
+		ReadChar();
+
+		if( last != '-' )
+		{
+			err = WINIX_ERR_BROKEN_INPUT;
+			return;
+		}
+		
+		// end of parsing
+		// the rest input (if exists) is ignored
+		last = -1;
+	}
+
+	// skipping a new line after the boundary
+	if( last == 13 )
+		ReadChar();
+
+	if( last == 10 )
+		ReadChar();
+}
+
+
+void PostMultiParser::CreateTmpFile()
+{
+wchar_t buf[WINIX_OS_PATH_SIZE];
+size_t buf_len = sizeof(buf)/sizeof(wchar_t);
+
+	if( config->upload_dir.empty() )
+	{
+		log << log1 << "PMP: upload_dir is not set in the config" << logend;
+		err = WINIX_ERR_CANT_CREATE_FILE;
+		return;
+	}
+
+	swprintf(buf, buf_len, L"%ls/tmp/pmp_%u_%d_%u", config->upload_dir.c_str(), (unsigned)getpid(), tmp_filename_postfix, rand());
+	tmp_filename_postfix += 1;
+
+	tmp_filename = buf;
+	PT::WideToUTF8(tmp_filename, atmp_filename);
+
+	tmp_file.open(atmp_filename.c_str(), std::ios_base::binary | std::ios_base::out);
+	// !! IMPROVE ME dodac ustawienie chmod config.upload_files_chmod dla tymczasowego pliku
+
+	if( !tmp_file )
+	{
+		log << log1 << "PMP: can't create a temporary file: " << atmp_filename << logend;
+		err = WINIX_ERR_CANT_CREATE_FILE;
+		return;
+	}
+
+	log << log3 << "PMP: using temporary file for the content: " << atmp_filename << logend;
+}
+
+
+
+
+void PostMultiParser::ReadPart()
+{
+	name.clear();
+	filename.clear();
+
+	while( IsHeader() )
+		ReadPartHeader();
+
+	if( err != WINIX_ERR_OK )
+		return;
+
+	if( !filename.empty() )
+		CreateTmpFile();
+
+	if( err != WINIX_ERR_OK )
+		return;
+
+	if( !filename.empty() )
+		ReadContentToFile();
+	else
+		ReadContent();
+
+	if( err == WINIX_ERR_OK )
+	{
+		AddPostVar();
+		CheckBoundaryEnd();
+	}
+
+	if( err != WINIX_ERR_OK && !filename.empty() )
+	{
+		log << log1 << "PMP: deleting the tmp file: " << tmp_filename << logend;
+		RemoveFile(tmp_filename);
+	}
+}
+
+
+void PostMultiParser::ReadChar()
+{
+	if( last == -1 )
+		return;
+
+	if( in_buffer_ind >= in_buffer_len )
+	{
+		if( in_buffer_len < WINIX_POSTMULTI_INPUT_BUFFER )
+		{
+			last = -1;
+			return;
+		}
+	
+		in_buffer_len = FCGX_GetStr((char*)in_buffer, WINIX_POSTMULTI_INPUT_BUFFER, in);
+		in_buffer_ind = 0;
+	}
+
+	if( in_buffer_len == 0 )
+	{
+		last = -1;
+	}
+	else
+	{
+		last = in_buffer[in_buffer_ind];
+		in_buffer_ind += 1;
+	}
+}
+
+
+
+
+Error PostMultiParser::Parse(FCGX_Stream * in_, PostTab & post_tab_, PostFileTab & post_file_tab_)
+{
+	in   = in_;
+	last = 0;
+	err  = WINIX_ERR_OK;
+	var_index = 1;
+	line_end_dos    = false;
+	in_buffer_ind   = WINIX_POSTMULTI_INPUT_BUFFER;
+	in_buffer_len   = WINIX_POSTMULTI_INPUT_BUFFER;
+	post_tab      = &post_tab_;
+	post_file_tab = &post_file_tab_;
+	tmp_filename_postfix = 1;
+
+	ReadChar();
+	ReadBoundary();
+
+	if( boundary.empty() )
+		return WINIX_ERR_NO_BOUNDARY;
+
+	while( last!=-1 && err == WINIX_ERR_OK )
+		ReadPart();
+
+	if( err != WINIX_ERR_OK )
+	{
+		RemovePostFileTmp(*post_file_tab);
+		post_tab->clear();
+		post_file_tab->clear();
+
+		if( err != WINIX_ERR_INPUT_TOO_LARGE && err != WINIX_ERR_CANT_CREATE_FILE )
+			log << log1 << "PMP: syntax error" << logend;
+	}
+
+return err;
+}
+
+
+
+} // namespace Winix
+

winixd/core/postmultiparser.h

@@ -0,0 +1,165 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#ifndef headerfile_winix_core_postmultiparser
+#define headerfile_winix_core_postmultiparser
+
+#include <string>
+#include <fcgiapp.h>
+#include <fstream>
+#include "error.h"
+#include "requesttypes.h"
+#include "config.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+// 2 MB
+#define WINIX_POSTMULTI_INPUT_BUFFER  2097152
+#define WINIX_POSTMULTI_OUTPUT_BUFFER 2097152
+
+
+class PostMultiParser
+{
+
+public:
+
+	PostMultiParser();
+	PostMultiParser(const PostMultiParser &);
+	PostMultiParser & operator=(const PostMultiParser &);
+	~PostMultiParser();
+
+	void SetConfig(Config * pconfig);
+	Error Parse(FCGX_Stream * in_, PostTab & post_tab_, PostFileTab & post_file_tab_);
+
+private:
+
+	Config * config;
+
+	FCGX_Stream * in;
+	unsigned char * in_buffer;
+	std::ofstream tmp_file;
+	std::wstring tmp_filename;
+	std::string atmp_filename;
+	int tmp_filename_postfix;
+	size_t in_buffer_ind;
+	size_t in_buffer_len;
+
+	PostTab * post_tab;
+	PostFileTab * post_file_tab;
+
+	int last; // last read character
+	int var_index; // used as a postfix to the same name (is auto increment)
+
+	bool line_end_dos;
+	std::string boundary;
+	std::string content;
+	size_t content_len;
+
+	std::string header_name, header_value;
+	Error err;
+
+	std::string name, filename;
+	std::wstring namew, contentw;
+	PostFile post_file_temp;
+
+	void LogFirst(const std::string & to_log, size_t len);
+	void ConvStr(const std::string & src, std::wstring & dst);
+
+	bool IsWhite(int c);
+	void SkipWhite();
+
+	void AddNormalPostVar();
+	void AddFilePostVar();
+	void AddPostVar();
+
+	void ReadBoundary();
+
+	bool IsHeader();
+	void ReadHeaderName();
+	void ReadHeaderValue();
+	void ReadPartHeader();
+
+	void CreateTmpFile();
+	bool HasBoundary();
+	void ReadContentSkipBoundary(bool has_boundary);
+	void ReadContentToFileLoop();
+	void ReadContentToFile();
+	void ReadContentLoop();
+	void ReadContent();
+	void CheckBoundaryEnd();
+	void ReadPart();
+
+	void ReadChar();
+
+
+	template<class Container, class Value>
+	bool InsertPostVar(Container & container, std::wstring & key, const Value & value);
+
+};
+
+
+
+template<class Container, class Value>
+bool PostMultiParser::InsertPostVar(Container & container, std::wstring & key, const Value & value)
+{
+bool added;
+std::pair<typename Container::iterator, bool> res;
+
+	res = container.insert( std::make_pair(key, value) );
+	added = res.second;
+
+	if( !added )
+	{
+		key += L"_inc";
+		key += Toa(var_index);
+		res = container.insert( std::make_pair(key, value) );
+		added = res.second;
+		var_index += 1;
+	}
+
+return added;
+}
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/postparser.h

@@ -0,0 +1,163 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_postparser
+#define headerfile_winix_core_postparser
+
+#include <fcgiapp.h>
+#include <string>
+#include "httpsimpleparser.h"
+#include "requesttypes.h"
+#include "misc.h"
+#include "utf8/utf8.h"
+#include "log.h"
+#include "plugin.h"
+
+
+namespace Winix
+{
+
+
+
+class PostParser : public HttpSimpleParser
+{
+	FCGX_Stream * in;
+	PostTab * post_tab;
+	size_t log_value_size;
+	int var_index;
+	bool has_winix_post_params_msg;
+	bool has_winix_raw_post_msg;
+	std::string raw_post;
+
+protected:
+
+
+	virtual int GetChar()
+	{
+		int c = FCGX_GetChar(in);
+
+		if( c != -1 && has_winix_raw_post_msg )
+			raw_post += c;
+
+	return c;
+	}
+	
+
+	void CreateLog(bool param_added, const std::wstring & name, const std::wstring & value)
+	{
+		log << log2 << "Method POST, name: \"" << name << "\"";
+		
+		if( log_value_size > 0 && !IsSubStringNoCase(L"pass", name.c_str()) )
+		{
+			log << ", value: ";
+			
+			if( value.size() > log_value_size )
+				log << "(first " << log_value_size << " characters) ";
+			
+			log << "\"";
+			log.LogString(value, log_value_size);
+			log << "\" (size: " << value.size() << ")";
+		}
+
+		if( param_added == false )
+			log << log2 << " (skipped)";
+			
+		log << log2 << logend;
+	}
+
+
+
+	virtual void Parameter(std::wstring & name, std::wstring & value)
+	{
+	bool added;
+	std::pair<PostTab::iterator, bool> res;
+
+		if( has_winix_post_params_msg )
+			plugin.Call(0, WINIX_POST_PARAMS, &name, &value);
+
+		res = post_tab->insert( std::make_pair(name, value) );
+		added = res.second;
+
+		if( !added )
+		{
+			name += L"_inc";
+			name += Toa(var_index);
+			res = post_tab->insert( std::make_pair(name, value) );
+			added = res.second;
+			var_index += 1;
+		}
+
+		CreateLog(added, name, value);
+	}
+	
+
+public:
+
+	PostParser()
+	{
+		log_value_size = 0;
+		HttpSimpleParser::getchar_returns_utf8_chars = true;
+	}
+
+	void LogValueSize(size_t s)
+	{
+		log_value_size = s;
+	}
+
+	void Parse(FCGX_Stream * in_, PostTab & post_tab_)
+	{
+		in = in_;
+		post_tab = &post_tab_;
+		var_index = 1;
+		raw_post.clear();
+
+		has_winix_post_params_msg = plugin.HasMessage(WINIX_POST_PARAMS);
+		has_winix_raw_post_msg    = plugin.HasMessage(WINIX_RAW_POST_STRING);
+
+		HttpSimpleParser::Parse();
+
+		if( has_winix_raw_post_msg )
+			plugin.Call(0, WINIX_RAW_POST_STRING, &raw_post);
+
+		raw_post.clear();
+	}
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/rebus.cpp

@@ -0,0 +1,196 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <cstdlib>
+#include <limits.h>
+#include "log.h"
+#include "rebus.h"
+#include "misc.h"
+#include "cur.h"
+
+
+namespace Winix
+{
+
+
+
+
+void Rebus::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+bool Rebus::InitPair(int a, int b, Item & item)
+{
+wchar_t buffer[100];
+size_t buffer_len = sizeof(buffer) / sizeof(wchar_t);
+bool add = false;
+
+	if( a+b <= 15 )
+	{
+		swprintf(buffer, buffer_len, L"%d+%d", a, b);
+		item.question = buffer;
+		item.answer = a+b;
+		add = true;
+	}
+
+	if( a-b >= 0 )
+	{
+		swprintf(buffer, buffer_len, L"%d-%d", a, b);
+		item.question = buffer;
+		item.answer = a-b;
+		add = true;
+	}
+
+return add;
+}
+
+
+
+void Rebus::Init()
+{
+int a, b;
+Item item;
+
+	item.key = 0;
+
+	for(a=1 ; a<10 ; ++a)
+	{
+		for(b=1 ; b<10 ; ++b)
+		{
+			if( InitPair(a, b, item) )
+			{
+				table.push_back(item);
+				item.key += 1;
+			}
+		}
+	}
+}
+
+
+Rebus::Item * Rebus::Rand()
+{
+size_t len = table.size();
+
+	if( len == 0 )
+		// empty table, call Init() first
+		return 0;
+
+	size_t i = size_t( ((double)rand()*(double)len) / (double(RAND_MAX)+1.0) );
+
+	if( i >= table.size() )
+	{
+		log << log1 << "Rebus: Rand() index too big" << logend;
+		// oops, it should not be greater then table.size()
+		return &table[0];
+	}
+
+return &table[0] + i;
+}
+
+
+
+bool Rebus::IsAnswerOk(Rebus::Item * item, const std::wstring & answer)
+{
+	if( item == 0 )
+		return false;
+
+	wchar_t * end;
+	const wchar_t * a = answer.c_str();
+	a = SkipWhite(a);
+
+	int value = (int)wcstol(a, &end, 10);
+
+	if( a == end )
+		// nothing has been read
+		return false;
+
+	log << log2 << "Rebus: your answer is: " << value << logend;
+	end = (wchar_t*)SkipWhite(end);
+
+	if( *end != 0 )
+	{
+		// something is at the end
+		return false;
+	}
+
+	bool result = (item->answer == value);
+
+	if( result )
+		log << log3 << "Rebus: the answer is correct" << logend;
+
+return result;
+}
+
+
+
+bool Rebus::CheckRebus()
+{
+	if( !cur->session )
+		return false;
+
+	if( cur->session->puser )
+		// logged users don't have to use the rebus
+		return true;
+
+	if( cur->session->rebus_checked )
+		return true;
+
+	cur->session->rebus_checked = true;
+
+	if( !cur->session->rebus_item )
+	{
+		log << log1 << "Rebus: rebus not set" << logend;
+		return false;
+	}
+
+	if( IsAnswerOk(cur->session->rebus_item, cur->request->PostVar(L"rebus")) )
+		return true;
+
+	log << log1 << "Rebus: rebus has an incorrect answer, expected: "
+		<< cur->session->rebus_item->answer << logend;
+
+	// don't add cur->session->spam_score when the rebus has incorrect answer
+	// a user could have made a mistake
+
+return false;
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/rebus.h

@@ -0,0 +1,85 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_rebus
+#define headerfile_winix_core_rebus
+
+#include <string>
+#include <vector>
+
+
+namespace Winix
+{
+
+
+
+struct Cur;
+
+
+class Rebus
+{
+public:
+
+	struct Item
+	{
+		int key;
+		std::wstring question;
+		int answer;
+	};
+
+
+
+	void SetCur(Cur * pcur);
+	void Init();
+	Item * Rand();
+	bool IsAnswerOk(Item * item, const std::wstring & answer);
+	bool CheckRebus();
+
+private:
+	
+	Cur * cur;
+
+	bool InitPair(int a, int b, Item & item);
+	
+	std::vector<Item> table;
+
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/request.cpp

@@ -0,0 +1,340 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2015, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include "request.h"
+#include "log.h"
+#include "plugin.h"
+#include "misc.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+
+Request::Request()
+{
+	id = 0;
+	config = 0;
+}
+
+
+void Request::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+
+
+void Request::ClearOutputStreams()
+{
+size_t len = 0;
+
+	out_main_stream.Clear();
+
+	if( config )
+		len = config->ezc_out_streams_size;
+
+	/*
+	 *  clearing buffers and setting 'escape' flag to true
+	 *  for all streams which were used in the map
+	 */
+	out_streams.ClearMap();
+	out_streams.ResizeTab(len);
+	out_main_stream_use_html_filter = true;
+	out_streams_use_html_filter = true;
+}
+
+
+void Request::Clear()
+{
+	// id is never 0	
+	if( ++id == 0 )
+		++id;
+
+	RemovePostFileTmp(post_file_tab);
+	ClearOutputStreams();
+
+	post_tab.clear();
+	post_file_tab.clear();
+	cookie_tab.clear();
+
+	method = unknown_method;
+
+	out_headers.Clear();
+	out_cookies.Clear();
+
+	page_generated = false;
+	
+	env_request_method.clear();
+	env_request_uri.clear();
+	env_http_cookie.clear();
+	env_remote_addr.clear();
+	env_http_host.clear();
+	env_http_user_agent.clear();
+	env_http_accept_encoding.clear();
+	env_fcgi_role.clear();
+	env_content_type.clear();
+	env_https.clear();
+
+	item_tab.clear();
+	item.Clear();
+	dir_tab.clear();
+	last_item = &item;
+	is_item = false;
+	function = 0;
+	param_tab.clear();
+	anchor.clear();
+	
+	status = WINIX_ERR_OK;
+
+	browser_msie = false;
+	redirect_to.clear();
+	redirect_type = 303;
+	x_sendfile.clear();
+	send_as_attachment = false;
+
+	using_ssl = false;
+
+	start_time = 0;
+	start_date.Clear();
+
+	subdomain.clear();
+	return_info_only = false;
+	info.Clear();
+	info_serializer = 0;
+	return_json = false;
+
+	out_bin_stream.clear();
+	send_bin_stream = false;
+
+	gen_trim_white			= false;
+	gen_skip_new_line		= false;
+	gen_use_special_chars	= false;
+
+	ip = 0;
+	use_200_status_for_not_found_and_permission_denied = false;
+}
+
+
+
+void Request::RequestStarts()
+{
+	// clearing it is better to use at the end of a request
+	// so starting is much faster
+
+	start_time = std::time(0);
+	start_date = start_time;
+}
+
+
+
+
+bool Request::IsPostVar(const wchar_t * var)
+{
+	PostTab::iterator p;
+	
+	p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+		return false;
+
+return true;
+}
+
+
+bool Request::IsPostVar(const std::wstring & var)
+{
+	PostTab::iterator p;
+	
+	p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+		return false;
+
+return true;
+}
+
+
+const std::wstring & Request::PostVar(const wchar_t * var)
+{
+PostTab::iterator p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+		return str_empty;
+	
+return p->second;
+}
+
+
+const std::wstring & Request::PostVar(const std::wstring & var)
+{
+PostTab::iterator p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+		return str_empty;
+	
+return p->second;
+}
+
+
+
+bool Request::PostVar(const wchar_t * var, std::wstring & result)
+{
+PostTab::iterator p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+	{
+		result.clear();
+		return false;
+	}
+		
+	result = p->second;
+	
+return true;
+}
+
+
+bool Request::PostVar(const std::wstring & var, std::wstring & result)
+{
+PostTab::iterator p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+	{
+		result.clear();
+		return false;
+	}
+		
+	result = p->second;
+	
+return true;
+}
+
+
+
+std::wstring * Request::PostVarp(const wchar_t * var)
+{
+PostTab::iterator p = post_tab.find(var);
+	
+	if( p == post_tab.end() )
+		return 0;
+	
+return &p->second;
+}
+
+
+std::wstring * Request::PostVarp(const std::wstring & var)
+{
+PostTab::iterator p = post_tab.find(var);
+
+	if( p == post_tab.end() )
+		return 0;
+
+return &p->second;
+}
+
+
+
+
+bool Request::AllPostVarEmpty()
+{
+PostTab::iterator i;
+
+	for(i=post_tab.begin() ; i!=post_tab.end() ; ++i)
+		if( !i->second.empty() )
+			return false;
+
+return true;
+}
+
+
+
+bool Request::IsParam(const wchar_t * param_name)
+{
+ParamTab::iterator i;
+
+	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
+	{
+		if( i->name == param_name )
+			return true;
+	}
+	
+return false;	
+}
+
+
+bool Request::IsParam(const std::wstring & param_name)
+{
+ParamTab::iterator i;
+
+	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
+	{
+		if( i->name == param_name )
+			return true;
+	}
+	
+return false;	
+}
+
+
+const std::wstring & Request::ParamValue(const wchar_t * param_name)
+{
+	ParamTab::iterator i;
+	
+	for(i=param_tab.begin() ; i!=param_tab.end() ; ++i)
+	{
+		if( i->name == param_name )
+			return i->value;
+	}
+	
+return str_empty;
+}
+
+
+const std::wstring & Request::ParamValue(const std::wstring & param_name)
+{
+	return ParamValue(param_name.c_str());
+}
+
+
+
+
+} // namespace Winix
+
+
+

winixd/core/request.h

@@ -0,0 +1,430 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2015, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_request
+#define headerfile_winix_core_request
+
+#include <fcgiapp.h>
+#include <sstream>
+#include <vector>
+#include "requesttypes.h"
+#include "item.h"
+#include "error.h"
+#include "config.h"
+#include "textstream.h"
+#include "templates/htmltextstream.h"
+#include "date/date.h"
+#include "space/space.h"
+#include "space/spacetojson.h"
+#include "textstream/textstream.h"
+#include "outstreams.h"
+
+
+namespace Winix
+{
+
+
+
+
+class FunctionBase;
+
+
+
+
+struct Request
+{
+	/*
+		request id
+		is incremented for each request and is never 0
+		(from -1 will be incremented to one)
+		it's used for some optimizations e.g. in templates
+	*/
+	size_t id;
+
+
+	/*
+		request start time
+		Time() methods are very slow so it is better to directly use those two values
+		they are set when a request starts
+	 */
+	time_t   start_time;
+	PT::Date start_date;
+
+
+
+	/*
+	 *
+	 *
+	 *
+	 * variables representing input from client's browser
+	 *
+	 *
+	 *
+	*/
+
+	/*
+		the HTTP method
+		!! IMPROVE ME add the rest methods here
+	*/
+	enum Method { get, post, head, unknown_method } method;
+
+
+	/*
+		subdomain
+		subdomain = HTTP_HOST environment variable - config->base_url
+	*/
+	std::wstring subdomain;
+
+
+	/*
+		raw parameters
+		!! CHECK ME may post_tab and cookie_tab should be changed to PT::Space now?
+		or may change the name to cookie_in? or in_cookie?
+	*/
+	PostTab     post_tab;
+	PostFileTab post_file_tab;
+	CookieTab   cookie_tab;
+
+
+	/*
+		html anchor (those part of URI after '#' character)
+	*/
+	std::wstring anchor;
+
+
+	// environment variables
+	std::wstring env_request_method;
+	std::wstring env_request_uri;
+	std::wstring env_http_cookie;
+	std::wstring env_remote_addr;
+	std::wstring env_http_host;
+	std::wstring env_http_user_agent;
+	std::wstring env_http_accept_encoding;
+	std::wstring env_fcgi_role;
+	std::wstring env_content_type;
+	std::wstring env_https;
+
+	// current IP address of the remote host (read from REMOTE_ADDR environment variable)
+	// (at the moment only IPv4 are supported)
+	int ip;
+
+	// true if the browser is Microsoft Internet Explorer
+	bool browser_msie;
+
+    // true if the browser is Konqueror
+    bool browser_konqueror;
+
+	// true if we are using an encrypted connection (SSL)
+	bool using_ssl;
+
+
+	/*
+		request input variables representing the winix filesystem
+	*/
+
+	// current directory
+	std::vector<Item*> dir_tab;
+
+	// true if a file exists
+	bool is_item;
+
+	// current file (valid if is_item is true)
+	Item item;
+
+	// current winix function
+	// null if there is no a function
+	FunctionBase * function;
+
+	// parameters (name:value)
+	ParamTab param_tab;
+
+	// this is a pointer either to the item (if exists) or to the last directory
+	Item * last_item;
+
+
+
+
+	/*
+	 *
+	 *
+	 *
+	 * variables for generating output to the client's browser
+	 *
+	 *
+	 *
+	*/
+
+
+	// request status
+	// !! CHANGE ME it'll be better to use ordinary http result codes
+	Error status;
+
+	// if not empty means an address for redirecting to
+	// it should be url-encoded
+	std::wstring redirect_to;
+
+	// a redirect type
+	// following redirect types are supported:
+	// 300 Multiple Choices
+	// 301 Moved Permanently
+	// 302 Found
+	// 303 See Other (default)
+	// 307 Temporary Redirect
+	int redirect_type;
+
+	// send header X-LIGHTTPD-send-file with path to a file
+	std::wstring x_sendfile;
+
+	// send as attachment (causes generating header: content-disposition: attachment)
+	bool send_as_attachment;
+
+	// headers send to the client (without cookies)
+	PT::Space out_headers;
+
+	// cookies send to the client
+	// a value can be either a cookie value or the whole cookie string (with domain, date etc)
+	PT::Space out_cookies;
+
+	// winix can return either a text answer or a binary answer
+	// if send_bin_stream is true then the binary answer is sent (out_bin_stream)
+	// or if send_bin_stream is false then the text answer is sent
+	// default: false
+	//
+	//
+	//                                   winix answer send to the client's browser
+	//                                                       |
+	//                                                       |
+	//                                          depending on send_bin_stream
+	//                    (if false) ------------------------------------------------- (if true)
+	//                               |                                               |
+	//                          text answer                                     binary answer
+	//                               |                                               |
+	//                   depending on return_json                          sending out_bin_stream
+	//  (if false) ------------------------------------ (if true)
+	//             |                                  |
+	//       normal request                     ajax request
+	//             |                                  |
+	//   sending out_main_stream                      |
+	//                                                |
+	//                                                |
+	//                                    depending on return_info_only
+	//            (if false) ------------------------------------------------------------- (if true)
+	//                       |                                                           |
+	//        generating JSON object from:                              generating JSON object only from info
+	//        out_streams and info, e.g.:                               e.g.:
+	//        {                                                         { info object serialized here }
+	//         "out": { out_streams serialized here e.g.:
+	//             "stream_name_1": "some html content",
+	//             "stream_name_2": "some other html content"
+	//         },
+	//         "info": { info object serialized here }
+	//        }
+	//
+	//
+	bool send_bin_stream;
+
+	// binary page sent to the client if send_bin_stream is true
+	BinaryPage out_bin_stream;
+
+	// when returning the text answer we can either return the whole html page (normal requests)
+	// or a JSON object (for requests generated from AJAX)
+	// if return_json is false then we return the whole html page (which is in out_main_stream)
+	// if return_json is true we are creating an JSON object from out_streams
+	// and from info space (see above picture)
+	// (or just only from info if return_info_only is true)
+	// default: false
+	// return_json is set to true by App at the beginning of a request
+	// if reqtype:json parameter is present (in the url)
+	// note: return_json is only valid if send_bin_stream is false
+	bool return_json;
+
+	// main text output stream where the html otput is generated from ezc templates
+	// here the whole html page (with doctype, head, body) is generated
+	HtmlTextStream out_main_stream;
+
+	// text output streams used in ajax requests (send in JSON format to the client)
+	// in ezc templates you can use [ezc out "stream_name"] keyword
+	// to switch between streams
+	Ezc::OutStreams<HtmlTextStream> out_streams;
+
+	// if true the JSON object is generated only from info (out_streams are not used)
+	// default: false
+	bool return_info_only;
+
+	// additional info added when sending the JSON answer
+	PT::Space info;
+
+	// info serializer
+	// if not set then the json_generic_serializer from App will be used
+	// default: null (json_generic_serializer used)
+	PT::SpaceToJSON * info_serializer;
+
+
+
+
+	// if set to true then the standard template system will not be used
+	// default: false
+	bool page_generated;
+
+	// whether or not the main html stream should be filtered by our html filter
+	bool out_main_stream_use_html_filter;
+
+	// whether or not the ajax streams should be filtered by our html filter
+	// this filter is only aplied to streams in "out" space, "info" space is not touched
+	bool out_streams_use_html_filter;
+
+	
+	// if this variable is true then winix always return 200 OK header
+	// when the status would be 404 (not found) or 403 (permission denied)
+	// default: false
+	bool use_200_status_for_not_found_and_permission_denied;
+
+	// options used by ezc generators
+	bool gen_trim_white;
+	bool gen_skip_new_line;
+	bool gen_use_special_chars;
+
+
+
+
+	/*
+		additional variables used for common uses
+	*/
+
+	// usually items in the current directory (depends on the function)
+	std::vector<Item> item_tab;
+
+
+
+
+
+
+
+
+
+
+	Request();
+	void SetConfig(Config * pconfig);
+
+	void RequestStarts();
+	void Clear();
+
+		
+
+	bool IsParam(const wchar_t * param_name);
+	bool IsParam(const std::wstring & param_name);
+	const std::wstring & ParamValue(const wchar_t * param_name);      // returns an empty string if there is no such a parameter
+	const std::wstring & ParamValue(const std::wstring & param_name); // returns an empty string if there is no such a parameter
+
+	bool IsPostVar(const wchar_t * var);
+	bool IsPostVar(const std::wstring & var);
+	const std::wstring & PostVar(const wchar_t * var);				// returns an empty string if there is no such a parameter
+	const std::wstring & PostVar(const std::wstring & var);			// returns an empty string if there is no such a parameter
+	bool PostVar(const wchar_t * var, std::wstring & result);
+	bool PostVar(const std::wstring & var, std::wstring & result);
+	std::wstring * PostVarp(const wchar_t * var);
+	std::wstring * PostVarp(const std::wstring & var);
+
+	bool AllPostVarEmpty(); // returning true if all post vars are empty
+
+
+	// setting a cookie
+	// name  - cookie name (either const wchar_t, or std::wstring or PT::WTextStream)
+	// value - cookie value (can be everything which can be put to PT::WTextStream stream)
+	// the return std::wstring reference is a reference to the cookie inserted value (in out_cookies structure)
+	template<typename NameType, typename ValueType>
+	std::wstring & AddCookie(const NameType & name, const ValueType & value, PT::Date * expires = 0);
+
+	template<typename NameType, typename ValueType>
+	std::wstring & AddCookie(const NameType & name, const ValueType & value, PT::Date & expires);
+
+
+
+
+private:
+
+	Config * config;
+
+	// used in ParamValue() and PostVar() when there is no such a param
+	const std::wstring str_empty;
+
+	void ClearOutputStreams();
+
+};
+
+
+
+
+template<typename NameType, typename ValueType>
+std::wstring & Request::AddCookie(const NameType & name, const ValueType & value, PT::Date * expires)
+{
+PT::WTextStream cookie;
+
+	cookie << value;
+
+	if( cookie.empty() )
+		cookie << L"\"\""; // cookie empty value
+
+	if( expires )
+		cookie << L"; expires=" << DateToStrCookie(*expires) << L" GMT";
+
+	cookie << L"; path=/; domain=" << config->base_url;
+
+	/*
+		!! IMPROVE ME add an option to the config
+
+		don't use '; secure' flag if you are using both sites (with SSL
+		and without SSL) -- with secure flag the cookie is sent only through
+		SSL and if you accidentally open a new window without SSL (http://)
+		then winix will create a new session for you and the previous session (https://)
+		will be lost (the session cookie will be overwritten in the client's browser)
+	*/
+
+return out_cookies.Add(name, cookie);
+}
+
+
+template<typename NameType, typename ValueType>
+std::wstring & Request::AddCookie(const NameType & name, const ValueType & value, PT::Date & expires)
+{
+	return AddCookie(name, value, &expires);
+}
+
+
+
+
+} // namespace Winix
+
+#endif
+

winixd/core/requesttypes.h

@@ -0,0 +1,87 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_requesttypes
+#define headerfile_winix_core_requesttypes
+
+#include <string>
+#include <vector>
+#include <map>
+#include "textstream/textstream.h"
+
+
+namespace Winix
+{
+
+
+
+// !! IMPROVE ME
+// !! narazie uzywane tylko w post multi parserze
+// dodac do zwyklego parsera post
+#define WINIX_POSTTABLE_MAXSIZE 50
+
+
+
+struct PostFile
+{
+	std::wstring filename;		// original file name
+	std::wstring tmp_filename;	// file with content (in /tmp)
+	size_t file_size;
+};
+
+
+// parameters from get name:value
+struct Param
+{
+	std::wstring name;
+	std::wstring value;
+};
+
+
+// some global types used by Request class
+typedef std::map<std::wstring, std::wstring> PostTab;
+typedef std::map<std::wstring, PostFile>     PostFileTab;
+typedef std::vector<Param>                   ParamTab;
+
+typedef std::map<std::wstring, std::wstring> CookieTab;
+
+
+typedef PT::TextStreamBase<char, 1, 4096> BinaryPage;
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/run.cpp

@@ -0,0 +1,420 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <cstring>
+#include "run.h"
+#include "log.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+Run::Run()
+{
+	Clear();
+}
+
+
+
+void Run::Clear()
+{
+	parlen  = 0; 
+	envlen  = 0;
+	command = 0;
+	last_status = 0;
+	last_return = 255;
+}
+
+
+
+void Run::SetName()
+{
+	size_t i=0;
+
+	while( command[i] )
+		i += 1;
+
+	while( i>0 && command[i-1]!='/' )
+		i -= 1;
+
+	par[0] = const_cast<char*>(command + i);
+}
+
+
+
+void Run::Par(const char * p)
+{
+	if( parlen < WINIX_RUN_MAX_PARAMETERS )
+	{
+		// they will be copied (fork)
+		// the first (zero) parameter is a program name
+		par[1 + parlen++] = const_cast<char*>(p);
+	}
+}
+
+
+
+void Run::Env(const char * e)
+{
+	if( envlen < WINIX_RUN_MAX_PARAMETERS )
+	{
+		// they will be copied (fork)
+		env[envlen++] = const_cast<char*>(e);
+	}
+}
+
+
+
+void Run::Cmd(const char * c)
+{
+	command = c;
+	SetName();
+}
+
+
+
+void Run::Par(const std::string & p)
+{
+	Par(p.c_str());
+}
+
+
+
+void Run::Env(const std::string & e)
+{
+	Env(e.c_str());
+}
+
+
+
+void Run::Cmd(const std::string & c)
+{
+	Cmd(c.c_str());
+}
+
+
+
+
+int Run::LastStatus()
+{
+	return last_status;
+}
+
+
+
+int Run::LastReturn()
+{
+	return last_return;
+}
+
+
+
+void Run::Write(const char * in, size_t inlen)
+{
+ssize_t len;
+
+	while( inlen > 0 )
+	{
+		len = write(desout[1], in, inlen);
+	
+		if( len < 0 || len > (ssize_t)inlen )
+		{
+			// something wrong
+			last_status = 3;
+			break;
+		}
+
+		in    += len;
+		inlen -= len;
+	}
+}
+
+
+
+void Run::Read(std::string & out)
+{
+char buf[1024];
+size_t buflen = sizeof(buf) / sizeof(char);
+ssize_t len;
+
+	do
+	{
+		len = read(desin[0], buf, buflen);
+
+		if( len < 0 || len > (ssize_t)buflen )
+		{
+			// something wrong
+			last_status = 4;
+			break;
+		}
+
+		if( len > 0 )
+			out.append(buf, len);
+	}
+	while( len > 0 );
+}
+
+
+
+void Run::ChildThrow()
+{
+	if( dup2(desout[0], 0) == -1 )
+		return;
+
+	if( dup2(desin[1], 1) == -1 )
+		return;
+
+	close(2);
+	close(desin[0]);
+	close(desout[1]);
+
+	par[parlen+1] = 0;
+	env[envlen]   = 0;
+
+	execve(command, par, env);
+	// if we are here then there is something wrong (execve failed)
+	// !! IMPROVE ME may add exit() ?
+}
+
+
+
+void Run::Child()
+{
+	try
+	{
+		ChildThrow();
+	}
+	catch(...)
+	{
+	}
+
+	exit(255);
+}
+
+
+
+bool Run::CreatePipes()
+{
+	int res = pipe(desin);
+
+	if( res != 0 )
+	{
+		log << log1 << "Run: pipe failed (desin)" << logend;
+		last_status = 1;
+		return false;
+	}
+
+	res = pipe(desout);
+
+	if( res != 0 )
+	{
+		log << log1 << "Run: pipe failed (desout)" << logend;
+		last_status = 1;
+		close(desin[0]);
+		close(desin[1]);
+		return false;
+	}
+
+return true;
+}
+
+
+
+bool Run::Fork()
+{
+	childpid = fork();
+
+	if( childpid == -1 )
+	{
+		log << log1 << "Run: fork failed" << logend;
+		last_status = 2;
+		close(desin[0]);
+		close(desin[1]);
+		close(desout[0]);
+		close(desout[1]);
+		return false;
+	}
+
+	if( childpid == 0 )
+		Child();
+
+return true;
+}
+
+
+
+void Run::WriteRead(const char * in, size_t inlen, std::string * out)
+{
+	if( in && inlen>0 )
+		Write(in, inlen);
+
+	close(desout[1]);
+
+	if( out )
+		Read(*out);
+
+	close(desin[0]);
+}
+
+
+
+void Run::CheckStatus()
+{
+int status;
+
+	pid_t res = waitpid(childpid, &status, 0);
+
+	if( res == -1 )
+	{
+		log << log1 << "Run: waitpid failed" << logend;
+		last_status = 6;
+	}
+	else
+	{
+		if( WIFEXITED(status) )
+		{
+			last_return = WEXITSTATUS(status);
+		}
+		else
+		{
+			if( WIFCONTINUED(status) )
+				log << log1 << "Run: child error: WIFCONTINUED" << logend;
+			else
+			if( WIFSIGNALED(status) )
+				log << log1 << "Run: child error: WIFSIGNALED" << logend;
+			else
+			if( WIFSTOPPED(status) )
+				log << log1 << "Run: child error: WIFSTOPPED" << logend;
+
+			last_status = 5;
+		}
+	}
+}
+
+
+
+int Run::Go(const char * in, size_t inlen, std::string * out)
+{
+	last_status = 0;
+	last_return = 255;
+
+	if( out )
+		out->clear();
+
+	if( !command )
+	{
+		last_status = 7;
+		return last_return;
+	}
+
+	if( !CreatePipes() )
+		return last_return;
+
+	if( !Fork() )
+		return last_return;
+
+	// here goes the parent
+	close(desin[1]);
+	close(desout[0]);
+	WriteRead(in, inlen, out);
+	CheckStatus();
+
+	if( last_status != 0 )
+		log << log1 << "Run: a problem with the command, last_status: " << last_status << logend;
+
+return last_return;
+}
+
+
+int Run::Go(const char * in, size_t inlen, std::string & out)
+{
+	return Go(in, inlen, &out);
+}
+
+
+int Run::Go(const char * in, std::string & out)
+{
+	size_t len = strlen(in);
+	return Go(in, len, &out);
+}
+
+
+int Run::Go(const char * in, size_t inlen)
+{
+	return Go(in, inlen, 0);
+}
+
+
+int Run::Go(const char * in)
+{
+	size_t len = strlen(in);
+	return Go(in, len, 0);
+}
+
+
+int Run::Go()
+{
+	return Go(0, 0, 0);
+}
+
+
+int Run::Go(const std::string in, std::string & out)
+{
+	return Go(in.c_str(), in.size(), &out);
+}
+
+
+int Run::Go(const std::string in)
+{
+	return Go(in.c_str(), in.size(), 0);
+}
+
+
+int Run::Go(std::string & out)
+{
+	return Go(0, 0, &out);
+}
+
+
+
+} // namespace Winix
+

winixd/core/run.h

@@ -0,0 +1,198 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_run
+#define headerfile_winix_core_run
+
+#include <string>
+#include <cstdio>
+#include <unistd.h>
+
+
+namespace Winix
+{
+
+
+
+/*
+	how many parameters and environment variables can be passed to a program
+*/
+#define WINIX_RUN_MAX_PARAMETERS 30
+
+
+/*
+	objects of this class allows you to run an external program
+
+	when you call Go() then:
+	1. winix creates pipes for communicating with a child process
+	2. then winix fork()
+	3. the child process execve() the specified command
+	4. winix (parent) sends 'in' to the standard input of the child process
+	5. after sending it closes the descriptor so the child sees it as end-of-file
+	6. now winix reads what the child sends to standard output (until EOF)
+	7. winix waitpid() for the child
+	8. Go() returns
+*/
+class Run
+{
+public:
+
+	Run();
+
+
+	/*
+		clearing parameters, environment variables and the command
+		(and clearing LastStatus and LastResult)
+		so you can call another different program now
+	*/
+	void Clear();
+
+
+	/*
+		setting parameters
+		each parameter should be passed in different call to Par() method
+		sample:
+		if you want to call from your shell:
+		  $ myprog -a -b -f "test file"
+		you should call Par() in this way:
+		  Par("-a");
+		  Par("-b");
+		  Par("test file"); // apostrophes are not needed here
+
+		arguments passed to Par() should not be changed afterwards, this method does not copy them anywhere
+		it uses only the pointer
+	*/
+	void Par(const char * p);
+	void Par(const std::string & p);
+
+
+	/*
+		setting environment variables
+		one variable per one Env() call
+
+		arguments passed to Env() should not be changed afterwards, this method does not copy them anywhere
+		it uses only the pointer
+	*/
+	void Env(const char * e);
+	void Env(const std::string & e);
+
+
+	/*
+		full path to command you want to execute
+
+		arguments passed to Cmd() should not be changed afterwards, this method does not copy them anywhere
+		it uses only the pointer
+	*/
+	void Cmd(const char * c);
+	void Cmd(const std::string & c);
+
+
+	/*
+		executing the command
+		you should call Par(), Env() and Cmd() beforehand
+	*/
+	int Go(const char * in, size_t inlen, std::string & out);
+	int Go(const char * in, std::string & out);
+	int Go(const char * in, size_t inlen);
+	int Go(const char * in);
+	int Go(const std::string in, std::string & out);
+	int Go(const std::string in);
+	int Go(std::string & out);
+	int Go();
+
+
+	/*
+		last status:
+		0 - ok (program was successfully called)
+		1 - pipe failed
+		2 - fork failed
+		3 - write failed
+		4 - read failed
+		5 - child process has done something wrong (caught a signal etc.)
+		6 - waitpid failed
+		7 - the command is not set (call Cmd method first)
+	*/
+	int LastStatus();
+
+
+	/*
+		the code which the command returned (usually "0" means no errors found)
+		if LastStatus is different from zero then LastReturn always returns 255
+		(so you don't have to check LastStatus() first)
+	*/
+	int LastReturn();
+
+
+
+private:
+
+	int Go(const char * in, size_t inlen, std::string * out);
+	void SetName();
+	void CheckStatus();
+	void WriteRead(const char * in, size_t inlen, std::string * out);
+	bool CreatePipes();
+	bool Fork();
+	void ChildThrow();
+	void Child();
+	void Write(const char * in, size_t inlen);
+	void Read(std::string & out);
+
+
+	int last_status;
+
+	// the return code returned by a program (if last_status==0)
+	// if last_status!=0 then last_return is 255
+	int last_return;
+
+	int desin[2];
+	int desout[2];
+
+	char * par[WINIX_RUN_MAX_PARAMETERS + 2];
+	char * env[WINIX_RUN_MAX_PARAMETERS + 1];
+	const char * command;
+
+	size_t parlen;
+	size_t envlen;
+
+	pid_t childpid;
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/session.cpp

@@ -0,0 +1,128 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "session.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+Session::Session()
+{
+	Clear();
+	plugin_data.SetSession(this);
+}
+
+
+
+Session::Session(const Session & ses)
+{
+	operator=(ses);
+}
+
+Session & Session::operator=(const Session & ses)
+{
+	/*
+		we can only copy ses.id because it is needen in SessionContainer
+		it have indexes to id
+	*/
+
+	Clear();
+	id = ses.id;
+	plugin_data.SetSession(this);
+
+return *this;
+}
+
+
+
+
+
+void Session::SetTimesTo(time_t time)
+{
+	start_time = time;
+	start_date = time;
+
+	last_time = start_time;
+	last_date = start_date;
+	
+	// the first request can be a POST (it doesn't matter)
+	last_time_get = start_time;
+}
+
+
+
+// clear_plugin_data is used when clearing the temporary session
+void Session::Clear(bool clear_plugin_data)
+{
+	id               = 0;
+	id_index         = 0;
+	id_index_changed = 0;
+	puser            = 0;
+	rebus_item       = 0;
+	rebus_checked    = false;
+	remember_me      = false;
+	new_session      = true;
+	spam_score       = 0;
+	remove_me        = false;
+
+	start_time       = 0;
+	last_time        = 0;
+	last_time_get    = 0;
+	start_date.Clear();
+	last_date.Clear();
+
+	log_buffer.Clear();
+	last_css.clear();
+	ip_ban = 0;
+
+	if( clear_plugin_data )
+		plugin_data.Resize(0);
+}
+
+
+// clearing some variables when a request is ended (just for safety)
+void Session::ClearAfterRequest()
+{
+	// ip_ban list can be sorted by SessionManager (in the special thread)
+	ip_ban = 0;
+}
+
+
+
+} // namespace Winix
+

winixd/core/session.h

@@ -0,0 +1,139 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_session
+#define headerfile_winix_core_session
+
+#include <vector>
+#include <string>
+#include <ctime>
+#include "item.h"
+#include "error.h"
+#include "user.h"
+#include "plugindata.h"
+#include "rebus.h"
+#include "textstream.h"
+#include "date/date.h"
+#include "ipban.h"
+
+
+namespace Winix
+{
+
+
+
+struct Session
+{
+	Session();
+	Session(const Session & ses);
+	Session & operator=(const Session & ses);
+
+	void SetTimesTo(time_t time);
+	void Clear(bool clear_plugin_data = true);
+	void ClearAfterRequest();
+
+
+	// 0 - means that there is a temporary session
+	long id;
+	
+	// a session index
+	// incremented each time a request to this session is made
+	unsigned int id_index;
+
+	// the last time when id_index was incremented
+	time_t id_index_changed;
+
+	// true if the session was created now
+	bool new_session;
+
+	// when this session was created
+	// (the same values)
+	time_t   start_time;
+	PT::Date start_date;
+	
+	// when this session was last used
+	// (the same values)
+	time_t   last_time;
+	PT::Date last_date;
+
+	// when there was a last get request
+	// (used to calculate spam or invalid login attempts etc.)
+	time_t last_time_get;
+	
+
+	// 0 - means that nobody is logged	
+	User * puser;
+
+	// if false the session will end when the user browser is shutdown
+	bool remember_me;
+
+
+	// rebus - set by rebus_question(Info & i) from templates
+	Rebus::Item * rebus_item;
+	bool rebus_checked;
+
+
+	int spam_score;
+
+	// if true then this session will be removed by SessionManager
+	// without checking the time expiration
+	bool remove_me;
+
+	PluginData plugin_data;
+
+
+	// buffer for the session log
+	TextStream<std::wstring> log_buffer;
+
+	// !! IMPROVE ME it is still needed?
+	// css cannot be taken directly from the mountpoint?
+	// table with css files
+	// used by some javascript wysiwyg editors (ckeditor, tinymce)
+	std::vector<std::wstring> last_css;
+
+	// pointer to IPBan struct if exists for this IP
+	// many sessions can pointer to the same IPBan struct
+	// (it can be null)
+	IPBan * ip_ban;
+
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif
+

winixd/core/sessioncontainer.cpp

@@ -0,0 +1,244 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "sessioncontainer.h"
+#include "log.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+
+SessionContainer::SessionContainer()
+{
+	table_size = 0;
+}
+
+
+void SessionContainer::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+void SessionContainer::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+}
+
+
+void SessionContainer::SetTmpSession(Session * psession)
+{
+	tmp_session = psession;
+}
+
+
+
+void SessionContainer::Clear()
+{
+Table::iterator i = table.begin();
+
+	log << log3 << "SC: deleting all sessions" << logend;
+
+	cur->session = tmp_session;
+
+	// don't use table.clear();
+	// because plugins session data would not be erased
+	while( i != table.end() )
+	{
+		i->plugin_data.DeleteAll(); // it's better to call it here instead in the destructor
+		table.erase(i++);
+	}
+
+	// erasing indexes
+	index_id.clear();
+	table_size = 0;
+}
+
+
+
+void SessionContainer::EraseById(long id)
+{
+IndexId::iterator i = index_id.find(id);
+
+	if( i != index_id.end() )
+	{
+		Session * old_session = tmp_session;
+
+		if( cur->session != &(*i->second) )
+			old_session = cur->session;
+
+		cur->session = &(*i->second);
+
+		log << log4 << "SC: deleting session, id: " << i->second->id << logend;
+
+		// call first DeleteAll() because if not then it would be called from the destructor
+		// and there'll be a problem if it throws an exception there
+		i->second->plugin_data.DeleteAll();
+		table.erase(i->second);
+		index_id.erase(i);
+		table_size -= 1;
+
+		cur->session = old_session;
+	}
+	else
+	{
+		log << log1 << "SC: I cannot delete a session with id: " << id
+			<< " (there is no such a session)" << logend;
+	}
+}
+
+
+
+size_t SessionContainer::Size()
+{
+	// don't use table.size() as it has O(n) complexity on FreeBSD
+	return table_size;
+}
+
+
+SessionContainer::Iterator SessionContainer::Begin()
+{
+	return table.begin();
+}
+
+
+SessionContainer::Iterator SessionContainer::End()
+{
+	return table.end();
+}
+
+
+Session & SessionContainer::Back()
+{
+	return table.back();	
+}
+
+
+SessionContainer::IdIterator SessionContainer::IdBegin()
+{
+	return index_id.begin();
+}
+
+
+SessionContainer::IdIterator SessionContainer::IdEnd()
+{
+	return index_id.end();
+}
+
+
+
+SessionContainer::Iterator SessionContainer::AddSession(long id)
+{
+	std::pair<IndexId::iterator, bool> index_id_res = index_id.insert( std::make_pair(id, table.end()) );
+
+	if( !index_id_res.second )
+	{
+		// that element already exists (was not inserted now)
+		return End();
+	}
+
+	Iterator last = table.insert(table.end(), empty_session);
+	last->id = id;
+	index_id_res.first->second = last;
+	table_size += 1;
+
+	log << log3 << "SC: added session, id: " << id << logend;
+
+return last;
+}
+
+
+
+
+SessionContainer::Iterator SessionContainer::FindById(long id)
+{
+IndexId::iterator i;
+
+	i = index_id.find(id);
+	
+	if( i == index_id.end() )
+		return table.end();
+		
+return i->second;
+}
+
+
+bool SessionContainer::ChangeSessionId(SessionContainer::Iterator ses, long new_id)
+{
+	std::pair<IndexId::iterator, bool> index_id_res = index_id.insert( std::make_pair(new_id, ses) );
+
+	if( !index_id_res.second )
+	{
+		log << log1 << "SC: session with id: " << new_id << " already exists" << logend;
+		return false;
+	}
+
+	long old_id = ses->id;
+	index_id.erase(old_id);	// remove the old index
+	ses->id = new_id;
+	log << log3 << "SC: changed session id from: " << old_id << " to " << new_id << logend;
+
+return true;
+}
+
+
+bool SessionContainer::ChangeSessionId(long old_id, long new_id)
+{
+IndexId::iterator i = index_id.find(old_id);
+	
+	if( i != index_id.end() )
+	{
+		return ChangeSessionId(i->second, new_id);
+	}
+	else
+	{
+		log << log2 << "SC: there is no a session with id: " << old_id << logend;
+	}
+
+return false;	
+}
+
+
+
+
+
+} // namespace Winix
+
+
+
+

winixd/core/sessioncontainer.h

@@ -0,0 +1,108 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_sessioncontainer
+#define headerfile_winix_core_sessioncontainer
+
+#include <list>
+#include <map>
+#include <ctime>
+
+#include "session.h"
+#include "cur.h"
+#include "config.h"
+
+
+namespace Winix
+{
+
+
+
+
+class SessionContainer
+{
+public:
+
+	typedef std::list<Session>       Table;
+	typedef Table::iterator          Iterator;
+	typedef std::map<long, Iterator> IndexId;
+	typedef IndexId::iterator        IdIterator;
+
+
+	SessionContainer();
+
+	void SetCur(Cur * pcur);
+	void SetConfig(Config * pconfig);
+	void SetTmpSession(Session * psession);
+
+	void Clear();
+
+	size_t    Size();
+	Iterator  Begin();
+	Iterator  End();
+	Session & Back();
+	Iterator AddSession(long id);
+	Iterator FindById(long);
+
+	IdIterator IdBegin();
+	IdIterator IdEnd();
+
+	void EraseById(long id);
+
+	bool ChangeSessionId(Iterator ses, long new_id);
+	bool ChangeSessionId(long old_id, long new_id);
+
+private:
+
+	Table table;
+	IndexId index_id;
+
+	Cur     * cur;
+	Config  * config;
+	Session * tmp_session;
+
+	Session empty_session;
+
+	// in FreeBSD implementation (GCC) list::size() has linear complexity
+	// so we use our own table_size with O(1)
+	size_t table_size;
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/sessionidmanager.cpp

@@ -0,0 +1,561 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/*
+ * Copyright (c) 2014, Tomasz Sowa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <cstdlib>
+#include <sys/types.h>
+#include <unistd.h>
+#include "sessionidmanager.h"
+#include "space/spaceparser.h"
+#include "utf8/utf8.h"
+#include "date/date.h"
+#include "log.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+SessionIdManager::SessionIdManager()
+{
+	algorithm_type		= 'a';
+	key_tab_size		= 256;
+	key_index			= 0;
+	last_key_generated	= 0;
+	key_renew_time		= 60;
+	was_inited			= false;
+}
+
+
+void SessionIdManager::Init(const std::wstring & keys_file)
+{
+	was_inited = true;
+
+	key_tab1.resize(key_tab_size);
+	key_tab2.resize(key_tab_size);
+
+	aes1.resize(key_tab_size);
+	aes2.resize(key_tab_size);
+
+	key_file_name = keys_file;
+	ReadKeysFromFile(key_file_name);
+}
+
+
+void SessionIdManager::SetKeyRenewTime(time_t renew_time)
+{
+	key_renew_time = renew_time;
+
+	if( key_renew_time < 10 )
+		key_renew_time = 10;
+
+	time_t one_month = 60 * 60 * 24 * 31;
+
+	if( key_renew_time > one_month )
+		key_renew_time = one_month;
+}
+
+
+void SessionIdManager::ReadKey(const wchar_t * name, PT::Space & space, std::vector<std::string> & dest_key)
+{
+std::vector<std::wstring> keys;
+std::string key_ascii, key_base64_decoded;
+
+	space.ListText(name, keys);
+
+	for(size_t i=0 ; i<key_tab_size ; ++i)
+		dest_key[i].clear();
+
+	for(size_t i=0 ; i<keys.size() && i<key_tab_size ; ++i)
+	{
+		dest_key[i].clear();
+
+		if( PT::WideToUTF8(keys[i], key_ascii) )
+		{
+			if( base64.Decode(key_ascii, key_base64_decoded) )
+			{
+				size_t len = key_base64_decoded.size();
+
+				if( len == 16 || len == 24 || len == 32 )
+				{
+					dest_key[i] = key_base64_decoded;
+				}
+			}
+		}
+	}
+}
+
+
+void SessionIdManager::InitializeAesKeys(size_t index)
+{
+	if( !aes1[index].Key((unsigned char*)key_tab1[index].c_str(), key_tab1[index].size()) )
+		log << log1 << "SIM: I cannot initialize a key1, size of the key: " << key_tab1[index].size() << logend;
+
+	if( !aes2[index].Key((unsigned char*)key_tab2[index].c_str(), key_tab2[index].size()) )
+		log << log1 << "SIM: I cannot initialize a key2, size of the key: " << key_tab2[index].size() << logend;
+
+}
+
+
+void SessionIdManager::InitializeAesKeys()
+{
+	for(size_t i=0 ; i < key_tab_size ; ++i)
+	{
+		if( AreKeysCorrect(i) )
+			InitializeAesKeys(i);
+	}
+}
+
+
+
+bool SessionIdManager::ReadKeysFromFile(const wchar_t * file)
+{
+PT::Space space;
+PT::SpaceParser parser;
+PT::Date date;
+
+	parser.SetSpace(space);
+	PT::SpaceParser::Status status = parser.Parse(file);
+
+	if( status == PT::SpaceParser::ok )
+	{
+		key_index = space.Size(L"key_index");
+
+		if( key_index >= 256 )
+			key_index = 0;
+
+		if( date.Parse(space.Text(L"last_key_generated", L"0")) )
+			last_key_generated = date.ToTime();
+
+		ReadKey(L"key_tab1", space, key_tab1);
+		ReadKey(L"key_tab2", space, key_tab2);
+		InitializeAesKeys();
+	}
+	else
+	{
+		log << log1 << "SIM: I cannot read the session keys from: " << file << logend;
+	}
+
+return status == PT::SpaceParser::ok;
+}
+
+
+
+bool SessionIdManager::ReadKeysFromFile(const std::wstring & file)
+{
+	return ReadKeysFromFile(file.c_str());
+}
+
+
+
+void SessionIdManager::SaveKeysToFile(std::vector<std::string> & keys)
+{
+	out_file << "(\n";
+
+	for(size_t i=0 ; i<keys.size() ; ++i)
+	{
+		base64.Encode(keys[i], tmp_key_base64_encoded);
+		out_file << '\"' << tmp_key_base64_encoded << "\"\n";
+	}
+
+	out_file << ")\n\n";
+	tmp_key_base64_encoded.clear();
+}
+
+
+
+bool SessionIdManager::SaveKeysToFile(const wchar_t * file)
+{
+	PT::Date date = last_key_generated;
+	PT::WideToUTF8(file, file_name_ascii);
+
+	out_file.clear();
+	out_file.open(file_name_ascii, std::ios_base::binary | std::ios_base::out);
+
+	if( out_file )
+	{
+		out_file << "key_index = " << key_index << "\n";
+
+		out_file << "last_key_generated = \"";
+		date.Serialize(out_file);
+		out_file << "\"\n\n";
+
+		out_file << "key_tab1 = ";
+		SaveKeysToFile(key_tab1);
+
+		out_file << "key_tab2 = ";
+		SaveKeysToFile(key_tab2);
+
+		out_file.flush();
+	}
+
+	out_file.close();
+	file_name_ascii.clear();
+	SetPriv(file, 0600);
+
+return !out_file.fail();
+}
+
+
+bool SessionIdManager::SaveKeysToFile(const std::wstring & file)
+{
+	return SaveKeysToFile(file.c_str());
+}
+
+
+
+bool SessionIdManager::AreKeysCorrect(size_t index)
+{
+	if( index >= 256 )
+		return false;
+
+	size_t len = key_tab1[index].size();
+
+	if( len != 16 && len != 24 && len != 32 )
+		return false;
+
+	len = key_tab2[index].size();
+
+	if( len != 16 && len != 24 && len != 32 )
+		return false;
+
+return true;
+}
+
+
+
+/*
+ * IMPROVE ME
+ * we need a better algorithm
+ */
+void SessionIdManager::GenerateKey(std::string & key, time_t cur_utc_time)
+{
+	unsigned int pid = (unsigned int)getpid();
+	unsigned int t   = (unsigned int)cur_utc_time;
+
+	key.clear();
+
+	for(size_t i=0 ; i<16 ; ++i)
+	{
+		unsigned int r = rand();
+		unsigned int v = r ^ pid ^ t;
+		v = ((v >> 24) ^ (v >> 16) ^ (v >> 8) ^ v) & 0xff;
+
+		key.push_back((unsigned char)v);
+	}
+}
+
+
+
+void SessionIdManager::GenerateKeys(size_t index, time_t cur_utc_time)
+{
+	GenerateKey(key_tab1[index], cur_utc_time);
+	GenerateKey(key_tab2[index], cur_utc_time);
+	InitializeAesKeys(index);
+
+	last_key_generated = cur_utc_time;
+
+	if( !SaveKeysToFile(key_file_name) )
+		log << log2 << "SIM: I cannot save the session keys to: " << key_file_name << logend;
+}
+
+
+
+void SessionIdManager::CheckKeys(time_t cur_utc_time)
+{
+	if( !AreKeysCorrect(key_index) )
+	{
+		log << log1 << "SIM: keys with index: " << key_index << " are incorrect, generating new keys" << logend;
+
+		GenerateKeys(key_index, cur_utc_time);
+	}
+	else
+	if( last_key_generated + key_renew_time < cur_utc_time )
+	{
+		key_index += 1;
+
+		if( key_index >= key_tab_size )
+			key_index = 0;
+
+		log << log2 << "SIM: generating new AES keys with index: " << key_index << logend;
+
+		GenerateKeys(key_index, cur_utc_time);
+	}
+}
+
+
+
+void SessionIdManager::RandPadding(size_t & pad_top_size,    char & pad_top_value,
+								   size_t & pad_bottom_size, char & pad_bottom_value)
+{
+	pad_top_size = (std::rand() * 5) / RAND_MAX; // multiply by 5 (not by 4)
+
+	if( pad_top_size > 4 )
+		pad_top_size = 4;
+
+	pad_top_size += 5; // now pad_top_size is from <5;9>
+	pad_top_value = (char)std::rand();
+
+	pad_bottom_size = 14 - pad_top_size; // pad_bottom_size is from <5;9> too
+	pad_bottom_value = (char)std::rand();
+}
+
+
+
+void SessionIdManager::AppendSum(std::string & str)
+{
+int s = 0;
+
+	for(size_t i=0 ; i<str.size() ; ++i)
+		s += (int)(unsigned char)str[i];
+
+	str += (unsigned char)s;
+}
+
+
+void SessionIdManager::AppendXor(std::string & str)
+{
+int s = 0;
+
+	for(size_t i=0 ; i<str.size() ; ++i)
+		s ^= (int)(unsigned char)str[i];
+
+	str += (unsigned char)s;
+}
+
+
+
+void SessionIdManager::CopyString(const std::string & in, std::wstring & out)
+{
+	out.clear();
+
+	if( out.capacity() < in.size() )
+		out.reserve(in.size());
+
+	for(size_t i=0 ; i<in.size() ; ++i)
+		out += in[i];
+}
+
+
+void SessionIdManager::CopyString(const std::wstring & in, std::string & out)
+{
+	out.clear();
+
+	if( out.capacity() < in.size() )
+		out.reserve(in.size());
+
+	for(size_t i=0 ; i<in.size() ; ++i)
+		out += in[i];
+}
+
+
+
+bool SessionIdManager::Encode(std::string & str)
+{
+	if( str.size() != 34 )
+		return false;
+
+	if( !aes1[key_index].Encode((unsigned char*)string_token.c_str()+2, 16) )
+	{
+		log << log1 << "SIM: I cannot AES encode the first part of the token" << logend;
+		return false;
+	}
+
+	if( !aes2[key_index].Encode((unsigned char*)string_token.c_str()+16+2, 16) )
+	{
+		log << log1 << "SIM: I cannot AES encode the second part of the token" << logend;
+		return false;
+	}
+
+return true;
+}
+
+
+bool SessionIdManager::EncodeToken(size_t id, unsigned int index, time_t cur_utc_time, std::wstring & token)
+{
+size_t pad_top_size;
+size_t pad_bottom_size;
+char pad_top_value;
+char pad_bottom_value;
+
+	string_token.clear();
+	string_token.reserve(50);
+
+	if( !was_inited )
+		return false;
+
+	CheckKeys(cur_utc_time);
+	RandPadding(pad_top_size, pad_top_value, pad_bottom_size, pad_bottom_value);
+
+	string_token += algorithm_type;
+	string_token += (unsigned char)key_index;
+	string_token += pad_top_value;
+	string_token += pad_bottom_value;
+	string_token += (unsigned char)pad_top_size;
+	string_token += (unsigned char)pad_bottom_size;
+	string_token.append(pad_top_size, pad_top_value);
+	Append(string_token, id);
+	Append(string_token, index);
+	string_token.append(pad_bottom_size, pad_bottom_value);
+	AppendSum(string_token);
+	AppendXor(string_token);
+
+	if( !Encode(string_token) )
+		return false;
+
+	base64.Encode(string_token, string_token_base64);
+	CopyString(string_token_base64, token);
+
+return true;
+}
+
+
+bool SessionIdManager::IsPaddingCorrect(const char * str, size_t len, char val)
+{
+	if( len < 5 || len > 9 )
+		return false;
+
+	for(size_t i=0 ; i<len ; ++i)
+		if( str[i] != val )
+			return false;
+
+return true;
+}
+
+
+bool SessionIdManager::DecodeAES(const char * str, size_t key)
+{
+	if( !aes1[key].Decode((unsigned char*)str, 16) )
+	{
+		log << log1 << "SIM: I cannot AES decode the first block" << logend;
+		return false;
+	}
+
+	if( !aes2[key].Decode((unsigned char*)str + 16, 16) )
+	{
+		log << log1 << "SIM: I cannot AES decode the second block" << logend;
+		return false;
+	}
+
+return true;
+}
+
+
+bool SessionIdManager::CheckControlSums(const char * str)
+{
+	char old_sum = *(str++);
+	char old_xor = *(str++);
+
+	string_token.erase(string_token.size()-2);
+
+	AppendSum(string_token);
+	AppendXor(string_token);
+
+	if( old_sum != string_token[string_token.size()-2] ||
+		old_xor != string_token[string_token.size()-1] )
+		return false;
+
+return true;
+}
+
+
+bool SessionIdManager::DecodeTokenA(size_t & id, unsigned int & index)
+{
+size_t pad_top_size;
+size_t pad_bottom_size;
+char pad_top_value;
+char pad_bottom_value;
+
+	const char * str = string_token.c_str() + 1;
+	size_t key = (unsigned char)(*str);
+
+	str += 1;
+
+	if( !DecodeAES(str, key) )
+		return false;
+
+	pad_top_value    = *(str++);
+	pad_bottom_value = *(str++);
+	pad_top_size     = (unsigned char)*(str++);
+	pad_bottom_size  = (unsigned char)*(str++);
+
+	if( pad_bottom_size != 14 - pad_top_size )
+		return false;
+
+	if( !IsPaddingCorrect(str, pad_top_size, pad_top_value) )
+		return false;
+
+	str += pad_top_size;
+
+	Read(str, id);
+	str += 8; 	// sizeof(id), it's better to use constant '8' instead of sizeof() operator
+				// because at the beginning we are making a test whether the string size is equal to 34
+				// (in the future sizeof(size_t) can be different from 8)
+	Read(str, index);
+	str += 4; // sizeof(index)
+
+	if( !IsPaddingCorrect(str, pad_bottom_size, pad_bottom_value) )
+		return false;
+
+	str += pad_bottom_size;
+
+return CheckControlSums(str);
+}
+
+
+
+bool SessionIdManager::DecodeToken(const std::wstring & token, size_t & id, unsigned int & index)
+{
+	if( !was_inited )
+		return false;
+
+	CopyString(token, string_token_base64);
+
+	if( !base64.Decode(string_token_base64, string_token) )
+		return false;
+
+	if( string_token.size() != 34 )
+		return false;
+
+	if( string_token[0] == 'a' )
+		return DecodeTokenA(id, index);
+
+return false;
+}
+
+
+
+} // namespace Winix
+
+

winixd/core/sessionidmanager.h

@@ -0,0 +1,199 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/*
+ * Copyright (c) 2014, Tomasz Sowa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef headerfile_winix_core_sessionidmanager
+#define headerfile_winix_core_sessionidmanager
+
+#include <string>
+#include <vector>
+#include <ctime>
+#include <fstream>
+#include "base64.h"
+#include "space/space.h"
+#include "aes.h"
+
+
+namespace Winix
+{
+
+
+/*
+ * this class is used to encode/decode the session cookie
+ * in which there is a session id and a session's index
+ *
+ * session index is incremented each time a request comes to this session
+ *
+ * format of the encoded token:
+ *  1 byte    - algorithm type, currently only one algorithm: 'a'
+ *  1 byte    - an AES keys pair index
+ *  ---- below everything is encoded by AES (two 128 bits blocks, first block
+ *       is encoded by the first key and the second block is encoded by the second key) ------
+ *  1 byte    - top padding value
+ *  1 byte    - bottom padding value
+ *  1 byte    - top padding size
+ *  1 byte    - bottom padding size
+ *  5-9 bytes - top padding
+ *  8 bytes   - the session id
+ *  4 bytes   - the session index
+ *  5-9 bytes - bottom padding (bottom_padding_size = 14 - top_padding_size)
+ *  1 byte    - the sum of all previous bytes
+ *  1 byte    - the xor of all previous bytes (with the previous sum too)
+ *
+ * and at the end everyting is base64 encoded
+ *
+ *
+ */
+class SessionIdManager
+{
+public:
+
+	SessionIdManager();
+
+	/*
+	 * initialization
+	 * this method takes about 1MB memory more (for AES key expansions)
+	 * if you do not need the session cookie to be enrypted then don't call this method
+	 *
+	 */
+	void Init(const std::wstring & keys_file);
+
+	/*
+	 * how often a new AES key pairs should be generated
+	 */
+	void SetKeyRenewTime(time_t renew_time);
+
+	/*
+	 * encode/decode the session cookie
+	 * make sure the Init() method is called first
+	 */
+	bool EncodeToken(size_t id, unsigned int index, time_t cur_utc_time, std::wstring & token);
+	bool DecodeToken(const std::wstring & token, size_t & id, unsigned int & index);
+
+
+private:
+
+	bool was_inited;
+	char algorithm_type;
+	std::string string_token, string_token_base64;
+	std::vector<std::string> key_tab1, key_tab2;
+	size_t key_index;
+	time_t last_key_generated;
+	time_t key_renew_time;
+	Tito::Base64 base64;
+	size_t key_tab_size;
+	std::ofstream out_file;
+	std::string tmp_key_base64_encoded;
+	std::wstring key_file_name;
+	std::string file_name_ascii;
+	std::vector<Tito::AES> aes1, aes2;
+
+	bool ReadKeysFromFile(const wchar_t * file);
+	bool ReadKeysFromFile(const std::wstring & file);
+	bool SaveKeysToFile(const wchar_t * file);
+	bool SaveKeysToFile(const std::wstring & file);
+	void ReadKey(const wchar_t * name, PT::Space & space, std::vector<std::string> & dest_key);
+	bool AreKeysCorrect(size_t index);
+	void GenerateKeys(size_t index, time_t cur_utc_time);
+	void CheckKeys(time_t cur_utc_time);
+	void GenerateKey(std::string & key, time_t cur_utc_time);
+	void SaveKeysToFile(std::vector<std::string> & keys);
+	void InitializeAesKeys();
+	void RandPadding(size_t & pad_top_size, char & pad_top_value, size_t & pad_bottom_size, char & pad_bottom_value);
+	void AppendSum(std::string & str);
+	void AppendXor(std::string & str);
+	void CopyString(const std::string & in, std::wstring & out);
+	void CopyString(const std::wstring & in, std::string & out);
+	bool Encode(std::string & str);
+	bool DecodeTokenA(size_t & id, unsigned int & index);
+	bool IsPaddingCorrect(const char * str, size_t len, char val);
+	bool CheckControlSums(const char * str);
+	void InitializeAesKeys(size_t index);
+	bool DecodeAES(const char * str, size_t key);
+
+	template<typename Value>
+	void Append(std::string & str, Value val);
+
+	template<typename Value>
+	void Read(const char * str, Value & val);
+
+};
+
+
+
+template<typename Value>
+void SessionIdManager::Append(std::string & str, Value val)
+{
+	int move = sizeof(Value) * 8 - 8;
+	int v;
+
+	do
+	{
+		if( move > 0 )
+			v = ((val >> move) & 0xff);
+		else
+			v = val & 0xff;
+
+		str  += (unsigned char)v;
+		move -= 8;
+	}
+	while( move >= 0 );
+}
+
+
+
+template<typename Value>
+void SessionIdManager::Read(const char * str, Value & val)
+{
+	val = 0;
+
+	for(size_t i=0 ; i<sizeof(Value) ; ++i)
+	{
+		val = val << 8;
+		val = val | (unsigned char)str[i];
+	}
+}
+
+
+} // namespace Winix
+
+
+#endif
+
+
+
+
+
+
+
+

winixd/core/sessionmanager.cpp

@@ -0,0 +1,874 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <sys/stat.h>
+#include <limits>
+#include "sessionmanager.h"
+#include "request.h"
+#include "log.h"
+#include "session.h"
+#include "sessionparser.h"
+#include "plugin.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+SessionManager::SessionManager()
+{
+	temporary_session.id = 0;
+	session = &temporary_session;
+	session_tab.SetTmpSession(&temporary_session);
+
+	// thread work mode
+	work_mode = 1;
+}
+
+
+void SessionManager::SetCur(Cur * pcur)
+{
+	cur = pcur;
+	session_tab.SetCur(pcur);
+}
+
+
+void SessionManager::SetConfig(Config * pconfig)
+{
+	config = pconfig;
+	session_tab.SetConfig(pconfig);
+}
+
+
+void SessionManager::SetSystem(System * psystem)
+{
+	system = psystem;
+}
+
+
+void SessionManager::SetLastContainer(LastContainer * plast_container)
+{
+	last_container = plast_container;
+}
+
+
+
+void SessionManager::InitBanList()
+{
+	ban_tab.SetMaxSize(config->ban_list_soft_max_size, config->ban_list_max_size);
+}
+
+
+void SessionManager::InitCookieEncoding()
+{
+	if( config->session_cookie_encode && !config->session_keys_file.empty() )
+		session_id_manager.Init(config->session_keys_file);
+
+	session_id_manager.SetKeyRenewTime(config->session_key_renew_time);
+}
+
+
+
+
+
+
+size_t SessionManager::Size()
+{
+	return session_tab.Size();
+}
+
+
+bool SessionManager::IsSession(long id)
+{
+	if( session_tab.FindById(id) == session_tab.End() )
+		return false;
+
+return true;
+}
+
+
+bool SessionManager::EncodeSessionId(long id, unsigned int index, std::wstring & str)
+{
+	return session_id_manager.EncodeToken((size_t)id, index, cur->request->start_time, str);
+}
+
+
+/*
+ * IMPROVE ME we need a better algorithm
+ */
+long SessionManager::CreateSessionId()
+{
+long id;
+	
+	// make sure to call std::srand() somewhere at the beginning
+	// id must be != 0 (0 is reserved)
+	do
+	{
+		if( sizeof(long) == 8 )
+		{
+			id = (((unsigned long)std::rand()) << 32) + std::rand();
+		}
+		else
+		{
+			id = std::rand();
+		}
+		
+		id += std::time(0);
+		
+		if( id < 0 )
+			id = -id;
+		
+	}
+	while( id == 0 ); // 0 reserved for a temporary session
+
+	
+return id;
+}
+
+
+
+
+void SessionManager::CreateSession()
+{
+int attempts = 100;
+SessionContainer::Iterator i = session_tab.End();
+
+	if( config->session_max == 0 || session_tab.Size() < config->session_max )
+	{
+		for( ; i == session_tab.End() && attempts > 0 ; --attempts )
+		{
+			long id = CreateSessionId();
+			i = session_tab.AddSession(id);	
+		}
+	}
+	else
+	{
+		log << log2 << "SM: sessions limit exceeded (" << config->session_max << ")" << logend;
+	}
+
+	if( i != session_tab.End() )
+	{
+		is_session_set = true;
+		session = &(*i);
+		session->new_session = true;
+		session->SetTimesTo(cur->request->start_time);
+		session->id_index = (unsigned int)session->id;
+		session->id_index += std::rand();
+
+		log << log2 << "SM: created a new session: " << session->id << logend;
+	}
+	else
+	{
+		// there is a problem with generating a new session id
+		log << log1 << "SM: cannot create a session id" << logend;
+		SetTemporarySession();
+	}
+}
+
+
+void SessionManager::SetTemporarySession()
+{
+	is_session_set = true;
+
+	session = &temporary_session;
+	session->Clear(false);
+	session->SetTimesTo(cur->request->start_time);
+	session->new_session = false; // temporary session was initialized at the beginning
+
+	log << log2 << "SM: using temporary session" << logend;
+}
+
+
+unsigned int SessionManager::CalculateIndexDifference(Session & ses, unsigned int index)
+{
+unsigned int difference;
+
+	if( index > ses.id_index )
+		difference = std::numeric_limits<unsigned int>::max() - index + ses.id_index + 1;
+	else
+		difference = ses.id_index - index;
+
+return difference;
+}
+
+
+void SessionManager::SetSessionPutLogInfo(Session & ses, bool has_index, unsigned int difference)
+{
+	log << log2 << "SM: session: " << ses.id;
+
+	if( has_index )
+		log << ", index difference: " << (size_t)difference;
+
+	if( ses.puser )
+		log << log2 << ", user: " << ses.puser->name << ", id: " << ses.puser->id;
+
+	log << log2 << logend;
+}
+
+
+
+void SessionManager::IncrementBanLevel(IPBan * ip_ban)
+{
+	ip_ban->SetFlag(WINIX_IPBAN_FLAG_ACTIVE);
+
+	ip_ban->IncrementBanLevel(cur->request->start_time + (time_t)config->ban_level_1_delay,
+							  cur->request->start_time + (time_t)config->ban_level_2_delay,
+							  cur->request->start_time + (time_t)config->ban_level_3_delay);
+
+	PT::Date date(ip_ban->expires);
+	log << log2 << "SM: this IP address has been banned to: " << date << " UTC" << logend;
+}
+
+
+void SessionManager::SetFirstExpirationTime(IPBan * ip_ban)
+{
+	time_t expiry = cur->request->start_time + (time_t)config->ban_level_1_delay;
+
+	if( ip_ban->expires < expiry )
+		ip_ban->expires = expiry;
+}
+
+
+
+void SessionManager::BrokenCookieCheckBan()
+{
+	if( !current_ip_ban )
+		current_ip_ban = &AddIPToBanList(cur->request->ip, cur->request->start_time);
+
+	if( current_ip_ban->broken_encoded_cookie_events < config->broken_encoded_cookie_treshold )
+	{
+		current_ip_ban->broken_encoded_cookie_events += 1;
+		SetFirstExpirationTime(current_ip_ban);
+	}
+	else
+	{
+		log << log2 << "SM: too many incorrect encoded cookies were sent from this IP" << logend;
+		IncrementBanLevel(current_ip_ban);
+		SetTemporarySession();
+	}
+}
+
+
+void SessionManager::IncorrectSessionCheckBan()
+{
+	if( !current_ip_ban )
+		current_ip_ban = &AddIPToBanList(cur->request->ip, cur->request->start_time);
+
+	if( current_ip_ban->session_hijacking_events < config->session_hijacking_treshold )
+	{
+		current_ip_ban->session_hijacking_events += 1;
+		SetFirstExpirationTime(current_ip_ban);
+	}
+	else
+	{
+		log << log2 << "SM: too many incorrect sessions identifiers were sent from this IP" << logend;
+		IncrementBanLevel(current_ip_ban);
+		SetTemporarySession();
+	}
+}
+
+
+
+void SessionManager::NoSessionCookieCheckBan()
+{
+	if( !current_ip_ban )
+		current_ip_ban = &AddIPToBanList(cur->request->ip, cur->request->start_time);
+
+	if( current_ip_ban->no_session_cookie_events < config->no_session_cookie_treshold )
+	{
+		current_ip_ban->no_session_cookie_events += 1;
+		SetFirstExpirationTime(current_ip_ban);
+	}
+	else
+	{
+		log << log2 << "SM: too many times you have not sent a session cookie" << logend;
+
+		if( config->no_session_cookie_ban_mode == 1 )
+			IncrementBanLevel(current_ip_ban);
+
+		SetTemporarySession();
+	}
+}
+
+
+
+bool SessionManager::IsSessionCorrect(long id, bool has_index, unsigned int index,
+									  const SessionContainer::Iterator & s, unsigned int & difference)
+{
+	difference = 0;
+
+	if( id == 0 )
+	{
+		log << log3 << "SM: id 0 is reserved for the temporary session" << logend;
+		IncorrectSessionCheckBan();
+		return false;
+	}
+
+	if( s == session_tab.End() )
+	{
+		log << log3 << "SM: there is no a session with id: " << id << logend;
+		IncorrectSessionCheckBan();
+		return false;
+	}
+
+	if( s->remove_me )
+	{
+		log << log3 << "SM: session: " << id << " is marked for removing" << logend;
+		return false;
+	}
+	
+	if( has_index )
+	{
+		difference = CalculateIndexDifference(*s, index);
+
+		if( (size_t)difference > config->session_allow_index_difference )
+		{
+			log << log2 << "SM: an incorrect session index for session: " << id
+				<< ", index difference: " << (size_t)difference << logend;
+
+			IncorrectSessionCheckBan();
+			return false;
+		}
+	}
+
+return true;
+}
+
+
+bool SessionManager::SetSessionFromCookie(long id, bool has_index, unsigned int index)
+{
+unsigned int difference;
+bool is_session_correct;
+
+	SessionContainer::Iterator s = session_tab.FindById(id);
+	is_session_correct = IsSessionCorrect(id, has_index, index, s, difference);
+
+	if( is_session_correct )
+	{
+		is_session_set       = true;
+		session              = &(*s);
+		session->new_session = false;
+		session->last_time   = cur->request->start_time;
+		session->last_date   = cur->request->start_date;
+
+		if( session->id_index_changed + config->session_index_time_increment < cur->request->start_time )
+		{
+			session->id_index += 1;
+			session->id_index_changed = cur->request->start_time;
+		}
+
+		if( cur->request->method == Request::get )
+			session->last_time_get = cur->request->start_time;
+
+		SetSessionPutLogInfo(*session, has_index, difference);
+	}
+
+return is_session_correct;
+}
+
+
+
+
+bool SessionManager::SetSessionFromCookie(const std::wstring & cookie)
+{
+	if( config->session_cookie_encode )
+	{
+		size_t id;
+		unsigned int index;
+
+		if( !session_id_manager.DecodeToken(cookie, id, index) )
+		{
+			log << log2 << "SM: an incorrect cookie string was sent" << logend;
+			BrokenCookieCheckBan();
+			return false;
+		}
+
+		return SetSessionFromCookie((long)id, true, index);
+	}
+	else
+	{
+		long id = Tol(cookie.c_str());
+		return SetSessionFromCookie(id, false, 0);
+	}
+}
+
+
+bool SessionManager::IsIPBanned()
+{
+	current_ip_ban = ban_tab.FindIP(cur->request->ip);
+
+	if( current_ip_ban  )
+	{
+		current_ip_ban->last_used = cur->request->start_time;
+
+		if( current_ip_ban->expires != 0 && cur->request->start_time >= current_ip_ban->expires )
+		{
+			log << log2 << "SM: resetting events counters for this IP" << logend;
+			current_ip_ban->ResetEventsCounters();
+		}
+		else
+		if( current_ip_ban->IsIPBanned() )
+		{
+			PT::Date date = current_ip_ban->expires;
+			log << log2 << "SM: this ip is bannned to: " << date << logend;
+			SetTemporarySession();
+			return true;
+		}
+	}
+
+return false;
+}
+
+
+void SessionManager::SetSession()
+{
+	is_session_set = false;
+
+	if( !IsIPBanned() )
+	{
+		CookieTab::iterator i = cur->request->cookie_tab.find(config->http_session_id_name);
+
+		if( i != cur->request->cookie_tab.end() )
+		{
+			if( !SetSessionFromCookie(i->second) )
+				cur->request->cookie_tab.erase(i);
+		}
+		else
+		{
+			NoSessionCookieCheckBan();
+		}
+	}
+
+	if( !is_session_set )
+		CreateSession();
+
+	session->ip_ban = current_ip_ban;
+}
+
+
+
+Session * SessionManager::FindSession(long id)
+{
+	SessionContainer::Iterator i = session_tab.FindById(id);
+
+	if( i != session_tab.End() )
+		return &*i;
+
+return 0;
+}
+
+
+SessionContainer::Iterator SessionManager::SessionBegin()
+{
+	return session_tab.Begin();
+}
+
+
+
+SessionContainer::Iterator SessionManager::SessionEnd()
+{
+	return session_tab.End();
+}
+
+
+
+
+
+
+void SessionManager::DeleteSessions()
+{
+	SessionContainer::Iterator i;
+
+	for(i=session_tab.Begin() ; i!=session_tab.End() ; ++i)
+	{
+		if( i->puser && !i->remember_me )
+		{
+			plugin.Call(&(*i), WINIX_PREPARE_USER_TO_LOGOUT, i->puser);
+			last_container->UserLogout(i->puser->id, i->id);
+		}
+	}
+
+	session_tab.Clear();
+}
+
+
+
+
+/*
+	don't change a session's id when a user is logged
+	the session id is in last_container and the user would not be 
+	correctly removed from the container
+*/
+bool SessionManager::ChangeSessionId(long old_id)
+{
+int attempts = 100;
+bool changed = false;
+long new_id;
+SessionContainer::Iterator i = session_tab.FindById(old_id);
+
+	if( i != session_tab.End() )
+	{
+		for( ; !changed && attempts > 0 ; --attempts )
+		{
+			new_id  = CreateSessionId();
+			changed = session_tab.ChangeSessionId(i, new_id);
+		}
+
+		if( changed )
+			plugin.Call(&(*i), WINIX_SESSION_CHANGED_ID, old_id, new_id);
+		else
+			log << log1 << "SM: I cannot create a new session id (still uses old one)" << logend;
+	}
+	else
+	{
+		log << log2 << "SM: there is no a session with id: " << old_id << logend;
+	}
+
+return changed;
+}
+
+
+void SessionManager::InitTmpSession()
+{
+	Session * old_session = cur->session;
+
+	log << log4 << "SM: initializing temporary session" << logend;
+	cur->session = &temporary_session;
+	plugin.Call(WINIX_SESSION_CREATED);
+
+	cur->session = old_session;
+}
+
+
+
+void SessionManager::UninitTmpSession()
+{
+	Session * old_session = cur->session;
+
+	log << log4 << "SM: uninitializing temporary session" << logend;
+	cur->session = &temporary_session;
+	cur->session->plugin_data.DeleteAll(); // this will call plugin.Call(WINIX_PLUGIN_SESSION_DATA_REMOVE);
+	cur->session->plugin_data.Resize(0);
+
+	cur->session = old_session;
+}
+
+
+
+void SessionManager::LoadSessions()
+{
+SessionParser sp;
+SessionContainer::Iterator i;
+
+	// sessions will be overwritten (pointers are invalidated)
+	cur->session = &temporary_session;
+
+	sp.SetUsers(&system->users);
+	sp.Parse(config->session_file, session_tab);
+
+	for(i=session_tab.Begin() ; i != session_tab.End() ; ++i)
+	{
+		i->plugin_data.Resize(plugin.Size());
+		plugin.Call(&(*i), WINIX_SESSION_CREATED);
+
+		/*
+			!! IMPROVE ME
+			we do not add it to the last_container (we don't have IP address stored yet)
+		*/
+
+		if( i->puser )
+			plugin.Call(&(*i), WINIX_USER_LOGGED);
+	}
+
+	cur->session = &temporary_session;
+}
+
+
+
+
+
+void SessionManager::SaveSessions()
+{
+char file_path[WINIX_OS_PATH_SIZE];
+
+	if( config->session_file.empty() )
+		return;
+
+	if( !WideToUTF8(config->session_file, file_path, WINIX_OS_PATH_SIZE) )
+		return;
+
+	std::ofstream file(file_path);
+
+	if( !file )
+	{
+		log << log1 << "SM: cannot open the session file for writing - sessions lost" << logend;
+		return;
+	}
+
+	log << log2 << "SM: saving sessions" << logend;
+	long len = 0;
+
+	SessionContainer::Iterator i = session_tab.Begin();
+
+	for( ; i!=session_tab.End() ; ++i )
+	{
+		if( i->id != 0 && i->puser && !i->remove_me )
+		{
+			file << i->id << ' ' << i->puser->id << ' ' << i->remember_me << ' ';
+			file << (long)i->start_time << ' ' << (long)i->last_time << ' ';
+			file << i->id_index	<< std::endl;
+
+			++len;
+		}
+	}
+
+	file.close();
+	chmod(file_path, 0600);
+
+	log << log2 << "SM: saved " << len << " session(s)" << logend;
+}
+
+
+
+
+Session * SessionManager::GetTmpSession()
+{
+	return &temporary_session;
+}
+
+
+Session * SessionManager::GetCurSession()
+{
+	return session;
+}
+
+
+// returns how many sessions was marked to remove
+size_t SessionManager::MarkAllSessionsToRemove(long user_id)
+{
+	size_t how_many = 0;
+	SessionContainer::Iterator i;
+
+	for(i=session_tab.Begin() ; i!=session_tab.End() ; ++i)
+	{
+		if( i->puser && i->puser->id == user_id )
+		{
+			plugin.Call(&(*i), WINIX_PREPARE_USER_TO_LOGOUT, i->puser);
+			last_container->UserLogout(i->puser->id, i->id);
+			i->remove_me = true;
+			i->puser     = 0;
+			how_many    += 1;
+		}
+	}
+
+return how_many;
+}
+
+
+IPBan & SessionManager::AddIPToBanList(int ip)
+{
+	return ban_tab.AddIP(ip);
+}
+
+
+IPBan & SessionManager::AddIPToBanList(int ip, time_t last_used)
+{
+	IPBan & ban = ban_tab.AddIP(ip);
+	ban.last_used = last_used;
+
+return ban;
+}
+
+
+size_t SessionManager::BanListSize()
+{
+	return ban_tab.Size();
+}
+
+
+IPBan & SessionManager::GetIPBan(size_t index)
+{
+	return ban_tab.GetIPBan(index);
+}
+
+
+void SessionManager::RemoveIPBan(int ip)
+{
+	ban_tab.RemoveIP(ip);
+}
+
+
+void SessionManager::ClearIPBanList()
+{
+	ban_tab.Clear();
+}
+
+
+/*
+ *
+ *
+ *  sessions gc (second thread)
+ *  sessions are only removed here
+ *  SessionContainer::IndexId can be removed from the other thread 
+ *  (when ChangeSessionId() method is called)
+ *
+ */
+void SessionManager::Work()
+{
+bool exit = false;
+SessionContainer::Iterator i;
+
+	deleted = 0;
+
+	Lock();
+	i = session_tab.Begin();
+	Unlock();
+
+	while( !exit )
+	{
+		Lock();
+
+		CheckWheterIPListIsSorted();
+		CheckSession(i);
+		exit = synchro->was_stop_signal;
+
+		Unlock();
+	}
+}
+
+
+// objects locked
+void SessionManager::CheckWheterIPListIsSorted()
+{
+	if( !ban_tab.IsSorted() )
+	{
+		log << log4 << "SM: sorting the ban list" << logend;
+		ban_tab.Sort();
+	}
+}
+
+
+// it's called from the other thread (with Lock and Unlock)
+void SessionManager::CheckSession(SessionContainer::Iterator & i)
+{
+const int deleted_max_at_once = 10;
+
+	if( i == session_tab.End() )
+	{
+		if( deleted > 0 )
+		{
+			deleted = 0;
+			log << logsave;
+		}
+
+		i = session_tab.Begin();
+		WaitForSignalSleep(10);
+	}
+	else
+	{
+		if( i->remove_me || IsSessionOutdated(*i) )
+		{
+			Session * ses = &(*i);
+			++i;
+			DeleteSession(ses);
+			++deleted;
+		}
+		else
+		{
+			++i;
+		}
+
+		if( deleted >= deleted_max_at_once )
+		{
+			log << logsave;
+			WaitForSignalSleep(1);
+			deleted = 0;
+		}
+	}
+}
+
+
+// it's called from the other thread (with Lock and Unlock)
+bool SessionManager::IsSessionOutdated(const Session & s) const
+{
+bool outdated;
+
+	if( s.remember_me )
+	{
+		outdated = s.last_time < std::time(0) - config->session_remember_max_idle;
+	}
+	else
+	{
+		outdated = s.last_time < std::time(0) - config->session_max_idle;
+	}
+
+return outdated;
+}
+
+
+
+// it's called from the other thread (with Lock and Unlock)
+void SessionManager::DeleteSession(Session * del_session)
+{
+	if( del_session->puser )
+	{
+		plugin.Call(del_session, WINIX_PREPARE_USER_TO_LOGOUT, del_session->puser);
+		last_container->UserLogout(del_session->puser->id, del_session->id);
+		del_session->puser = 0;
+	}
+
+	long id = del_session->id;
+
+	plugin.Call(del_session, WINIX_PREPARE_SESSION_TO_REMOVE);
+	session_tab.EraseById(del_session->id);
+	plugin.Call((Session*)0, WINIX_SESSION_REMOVED, id);
+}
+
+
+/*
+ *
+ *
+ *  end of sessions gc
+ *
+ *
+ */
+
+
+
+
+} // namespace Winix
+

winixd/core/sessionmanager.h

@@ -0,0 +1,155 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_sessionmanager
+#define headerfile_winix_core_sessionmanager
+
+#include <set>
+#include <ctime>
+
+#include "sessioncontainer.h"
+#include "ipbancontainer.h"
+#include "config.h"
+#include "request.h"
+#include "lastcontainer.h"
+#include "system.h"
+#include "synchro.h"
+#include "basethread.h"
+#include "sessionidmanager.h"
+
+
+
+namespace Winix
+{
+
+
+
+class SessionManager : public BaseThread
+{
+public:
+
+	SessionManager();
+
+	void SetCur(Cur * pcur);
+	void SetConfig(Config * pconfig);
+	void SetSystem(System * psystem);
+	void SetLastContainer(LastContainer * plast_container);
+
+
+	// can return a null pointer
+	Session * FindSession(long id);
+
+	void SetSession();
+	void DeleteSessions(); // deleting all sessions
+	bool ChangeSessionId(long old_id);
+
+	void IncrementBanLevel(IPBan * ip_ban);
+
+	void InitTmpSession();
+	void InitBanList();
+	void InitCookieEncoding();
+
+	void UninitTmpSession();
+
+	Session * GetTmpSession();
+	Session * GetCurSession();
+
+	void LoadSessions();
+	void SaveSessions();
+
+	SessionContainer::Iterator SessionBegin();
+	SessionContainer::Iterator SessionEnd();
+
+	size_t Size();
+	size_t MarkAllSessionsToRemove(long user_id);
+
+	IPBan & AddIPToBanList(int ip);
+	IPBan & AddIPToBanList(int ip, time_t last_used);
+	size_t  BanListSize();
+	IPBan & GetIPBan(size_t index);
+	void    RemoveIPBan(int ip);
+	void    ClearIPBanList();
+
+
+	bool EncodeSessionId(long id, unsigned int index, std::wstring & str);
+
+
+private:
+
+	Config  * config;
+	Cur     * cur;
+	System  * system;
+	LastContainer * last_container;
+
+	Session * session;
+	SessionContainer session_tab;
+	IPBanContainer   ban_tab;
+	IPBan * current_ip_ban;
+	bool is_session_set;
+	Session temporary_session;
+	SessionIdManager session_id_manager;
+
+	bool IsSession(long s);
+	long CreateSessionId();
+	void CreateSession();
+	bool IsSessionCorrect(long id, bool has_index, unsigned int index, const SessionContainer::Iterator & s, unsigned int & difference);
+	bool SetSessionFromCookie(long id, bool has_index, unsigned int index);
+	bool SetSessionFromCookie(const std::wstring & cookie);
+	void SetTemporarySession();
+	unsigned int CalculateIndexDifference(Session & ses, unsigned int index);
+	void SetSessionPutLogInfo(Session & ses, bool has_index, unsigned int difference);
+	bool IsIPBanned();
+	void SetFirstExpirationTime(IPBan * ip_ban);
+	void BrokenCookieCheckBan();
+	void IncorrectSessionCheckBan();
+	void NoSessionCookieCheckBan();
+
+
+	/*
+	 * second thread
+	 */
+	int deleted;
+	virtual void Work();
+	void CheckSession(SessionContainer::Iterator & i);
+	bool IsSessionOutdated(const Session & s) const;
+	void DeleteSession(Session * del_session);
+	void CheckWheterIPListIsSorted();
+
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/sessionparser.cpp

@@ -0,0 +1,208 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "sessionparser.h"
+#include "log.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+bool SessionParser::Parse(const std::wstring & path, SessionContainer & container)
+{
+	return Parse(path.c_str(), container);
+}
+
+
+void SessionParser::SetUsers(Users * pusers)
+{
+	users = pusers;
+}
+
+
+bool SessionParser::Parse(const wchar_t * path, SessionContainer & container)
+{
+char file_path[WINIX_OS_PATH_SIZE];
+
+	container.Clear();
+
+	if( !WideToUTF8(path, file_path, WINIX_OS_PATH_SIZE) )
+		return false;
+
+	file.open(file_path, std::ios_base::in | std::ios_base::binary);
+
+	if( !file )
+	{
+		log << log1 << "SP: cannot open the session file for reading (file: '" << path << "')" << logend;
+		return false;
+	}
+
+	bool res = Parse(container);
+
+	file.close();
+
+return res;
+}
+
+
+
+bool SessionParser::Parse(SessionContainer & container)
+{
+	/*
+		file format, each rows:
+		session_id(long) user_id(long) remember_me(0|1) time(long) last_time(long)
+	*/
+	last = file.get();
+
+	log << log2 << "SP: reading sessions from the session file" << logend;
+
+	while( true )
+	{
+		long id = ReadLong();
+
+		if( file.eof() )
+			break;
+		
+		long user_id = ReadLong();
+		MakeSession(id, user_id, container);
+		SkipLine();
+	}
+
+	log << log2 << "SP: read " << container.Size() << " session(s)" << logend;
+
+return true;
+}
+
+
+void SessionParser::MakeSession(long id, long user_id, SessionContainer & container)
+{
+	User * puser = users->GetUser(user_id);
+
+	if( !puser )
+	{
+		log << log1 << "SP: there is no a user with id: " << user_id << " (skipped)" << logend;
+		return;
+	}
+
+	SessionContainer::Iterator i = container.AddSession(id);
+
+	if( i != container.End() )
+	{
+		i->Clear();
+		i->id			= id;
+		i->puser		= puser;
+		i->new_session	= true;
+		i->remember_me	= ReadLong();
+		i->start_time	= ReadLong();
+		i->last_time	= ReadLong();
+		i->id_index		= ReadLong();
+		i->start_date	= i->start_time;
+		i->last_date	= i->last_time;
+		// !! IMPROVE ME we do not save last_time_get
+
+		users->IncrementLoggedUsers();
+		log << log2 << "SP: read session id: " << id << " for user: " << puser->name << logend;
+	}
+	else
+	{
+		log << log1 << "SP: session with id: " << id << " already exists (skipping)" << logend;
+	}
+}
+
+
+bool SessionParser::IsWhite(int c)
+{
+	if( c==' ' || c=='\t' || c==13 )
+		return true;
+
+return false;
+}
+
+bool SessionParser::IsDigit(int c)
+{
+	if( c>='0' && c<='9' )
+		return true;
+
+return false;
+}
+
+void SessionParser::SkipWhite()
+{
+	while( IsWhite(last) )
+		last = file.get();
+}
+
+
+void SessionParser::SkipLine()
+{
+	while( last != 10 )
+		last = file.get();
+
+	last = file.get(); // first character from the new line
+}
+
+
+
+long SessionParser::ReadLong()
+{
+long res = 0;
+bool is_sign = false;
+
+	SkipWhite();
+
+	if( last == '-' )
+	{
+		is_sign = true;
+		last = file.get();
+	}
+
+	while( IsDigit(last) )
+	{
+		res  = res*10 + (last-'0');
+		last = file.get();
+	}
+
+	if( is_sign )
+		res = -res;
+
+return res;
+}
+
+
+
+} // namespace Winix
+

winixd/core/sessionparser.h

@@ -0,0 +1,83 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_sessionparser
+#define headerfile_winix_core_sessionparser
+
+#include <fstream>
+#include <string>
+#include "session.h"
+#include "sessioncontainer.h"
+#include "users.h"
+
+
+namespace Winix
+{
+
+
+
+class SessionParser
+{
+public:
+
+	bool Parse(const wchar_t * path, SessionContainer & container);
+	bool Parse(const std::wstring & path, SessionContainer & container);
+	void SetUsers(Users * pusers);
+
+private:
+	
+	Users * users;
+
+	bool Parse(SessionContainer & container);
+	void MakeSession(long id, long user_id, SessionContainer & container);
+
+	bool IsWhite(int c);
+	bool IsDigit(int c);
+	void SkipWhite();
+	void SkipLine();
+
+	long ReadLong();
+
+	std::ifstream file;
+	int last; // last character
+
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/slog.cpp

@@ -0,0 +1,257 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "slog.h"
+#include "utf8/utf8.h"
+
+
+namespace Winix
+{
+
+
+
+
+SLog::SLog()
+{
+	cur = 0;
+	locale = 0;
+}
+
+
+
+void SLog::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+
+void SLog::SetLocale(Locale * plocale)
+{
+	locale = plocale;
+}
+
+
+
+
+
+SLog & SLog::operator<<(const void * s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const char * s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const std::string * s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const std::string & s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const wchar_t * s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const std::wstring * s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const std::wstring & s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(int s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(long s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(char s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(wchar_t s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(size_t s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(double s)
+{
+	return PutLog(s);
+}
+
+
+SLog & SLog::operator<<(const PT::Date & date)
+{
+	return PutLog(date);
+}
+
+
+
+SLog & SLog::operator<<(LogManipulators m)
+{
+	if( cur && cur->session )
+	{
+		TextStream<std::wstring> & buf = cur->session->log_buffer;
+
+		switch(m)
+		{
+		case logend:
+			buf << '\n';
+
+			if( buf.Size() > WINIX_SLOG_MAX_LOG_SIZE )
+			{
+				buf.Clear();
+				(*this) << logwarning << T("slog_turn_over") << " " << WINIX_SLOG_MAX_LOG_SIZE << logend;
+			}
+
+			break;
+
+		case loginfo:
+		case logwarning:
+		case logerror:
+			buf << (wchar_t)(int)m;
+			break;
+
+		default:
+			break;
+		}
+	}
+
+return *this;
+}
+
+
+
+
+SLog & SLog::TranslateText(const char * str)
+{
+	PT::UTF8ToWide(str, key_temp);
+	return TranslateText(key_temp.c_str());
+}
+
+
+SLog & SLog::TranslateText(const wchar_t * str)
+{
+	if( cur && cur->session )
+	{
+		const std::wstring * trans = 0;
+
+		if( locale )
+			trans = &locale->Get(str);
+
+		// !! IMPROVE ME "Not translated" add to locale
+		if( !trans || trans->empty() )
+			cur->session->log_buffer << "Not translated: " << str;
+		else
+			cur->session->log_buffer << trans;
+	}
+
+return *this;
+}
+
+
+SLog & SLog::operator<<(const TranslateTextHelper<const char*> & raw)
+{
+	return TranslateText(raw.par);
+}
+
+
+SLog & SLog::operator<<(const TranslateTextHelper<const wchar_t*> & raw)
+{
+	return TranslateText(raw.par);
+}
+
+
+SLog & SLog::operator<<(TranslateTextHelper<const std::string*> raw)
+{
+	return TranslateText(raw.par->c_str());
+}
+
+
+SLog & SLog::operator<<(TranslateTextHelper<const std::wstring*> raw)
+{
+	return TranslateText(raw.par->c_str());
+}
+
+
+SLog & SLog::operator<<(TranslateTextHelper<std::string> raw)
+{
+	return TranslateText(raw.par.c_str());
+}
+
+
+SLog & SLog::operator<<(TranslateTextHelper<std::wstring> raw)
+{
+	return TranslateText(raw.par.c_str());
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/slog.h

@@ -0,0 +1,175 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_slog
+#define headerfile_winix_core_slog
+
+#include "cur.h"
+#include "logmanipulators.h"
+#include "templates/locale.h"
+#include "textstream/textstream.h"
+
+
+namespace Winix
+{
+
+
+
+#define WINIX_SLOG_MAX_LOG_SIZE 10240
+
+
+/*
+	session logger
+
+	sample:
+	#include "log.h" (or slog.h)
+	slog << logerror << "message" << "something" << logend;
+	slog << logwarning << T("message_to_translate") << x << logend;
+
+	if the latter example "message_to_translate" will be taken from locales
+	currently following manipulators are taken into account:
+		loginfo    - the message in a normal info
+		logwarning - this is a warning
+		logerror   - this is an error
+		logend     - end of a line -- we have one kind of a message (info, warning, error) per line
+
+	loginfo, logwarning, logerror should be specified at the beginning of a line
+	(other manipulators are skipped)
+*/
+class SLog
+{
+public:
+
+	SLog();
+
+	void SetCur(Cur * pcur);
+	void SetLocale(Locale * plocale);
+
+	template<class RawType>
+	struct TranslateTextHelper
+	{
+		const RawType & par;
+
+		TranslateTextHelper(const TranslateTextHelper<RawType> & p) : par(p.par) {}
+		TranslateTextHelper(const RawType & p) : par(p) {}
+	};
+
+	SLog & operator<<(const void * s);
+	SLog & operator<<(const char * s);
+	SLog & operator<<(const std::string * s);
+	SLog & operator<<(const std::string & s);
+	SLog & operator<<(const wchar_t * s);
+	SLog & operator<<(const std::wstring * s);
+	SLog & operator<<(const std::wstring & s);
+	SLog & operator<<(int s);
+	SLog & operator<<(long s);
+	SLog & operator<<(char s);
+	SLog & operator<<(wchar_t s);
+	SLog & operator<<(size_t s);
+	SLog & operator<<(double s);
+	SLog & operator<<(LogManipulators m);
+	SLog & operator<<(const PT::Date & date);
+
+	template<typename char_type, size_t stack_size, size_t heap_block_size>
+	SLog & operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf);
+
+
+	SLog & TranslateText(const char * str);
+	SLog & TranslateText(const wchar_t * str);
+
+	template<size_t str_size>
+	SLog & operator<<(const TranslateTextHelper<const char [str_size]> & raw)	{ return TranslateText(raw.par); }
+
+	template<size_t str_size>
+	SLog & operator<<(const TranslateTextHelper<const wchar_t [str_size]> & raw){ return TranslateText(raw.par); }
+
+	template<size_t str_size>
+	SLog & operator<<(const TranslateTextHelper<char [str_size]> & raw)	{ return TranslateText(raw.par); }
+
+	template<size_t str_size>
+	SLog & operator<<(const TranslateTextHelper<wchar_t [str_size]> & raw){ return TranslateText(raw.par); }
+
+	SLog & operator<<(const TranslateTextHelper<const char*> & raw);
+	SLog & operator<<(const TranslateTextHelper<const wchar_t*> & raw);
+	SLog & operator<<(TranslateTextHelper<const std::string*> raw);
+	SLog & operator<<(TranslateTextHelper<const std::wstring*> raw);
+	SLog & operator<<(TranslateTextHelper<std::string> raw);
+	SLog & operator<<(TranslateTextHelper<std::wstring> raw);
+
+
+private:
+
+	template<class LogParam>
+	SLog & PutLog(const LogParam & par);
+
+	Cur * cur;
+	Locale * locale;
+	std::wstring key_temp;
+
+};
+
+
+template<class RawType>
+SLog::TranslateTextHelper<RawType> T(const RawType & par)
+{
+	return SLog::TranslateTextHelper<RawType>(par);
+}
+
+
+template<typename char_type, size_t stack_size, size_t heap_block_size>
+SLog & SLog::operator<<(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & buf)
+{
+	return PutLog(buf);
+}
+
+
+template<class LogParam>
+SLog & SLog::PutLog(const LogParam & par)
+{
+	if( cur && cur->session )
+		cur->session->log_buffer << par;
+
+return *this;
+}
+
+
+extern SLog slog;
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/synchro.cpp

@@ -0,0 +1,107 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+
+#include <errno.h>
+#include "synchro.h"
+
+
+
+namespace Winix
+{
+
+
+
+Synchro::Synchro()
+{
+	was_stop_signal = false;
+
+#ifdef __FreeBSD__
+	/*
+	 * on FreeBSD a pthread's pthread_mutex_lock() is checking for deadlocks by default
+	 */
+	mutex = PTHREAD_MUTEX_INITIALIZER;
+#else
+	pthread_mutexattr_t attr;
+
+	pthread_mutexattr_init(&attr);
+	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ERRORCHECK);
+	pthread_mutex_init(&mutex, &attr);
+	pthread_mutexattr_destroy(&attr);
+#endif
+}
+
+
+
+bool Synchro::Lock()
+{
+	int res = pthread_mutex_lock(&mutex);
+
+	if( res == 0 )
+	{
+		ref[pthread_self()] = 1;
+		return true;
+	}
+	else
+	if( res == EDEADLK )
+	{
+		// Lock() method in this thread was called before
+		ref[pthread_self()] += 1;
+		return true;
+	}
+
+return false;
+}
+
+
+
+void Synchro::Unlock()
+{
+	int & r = ref[pthread_self()];
+
+	if( r > 1 )
+	{
+		r -= 1;
+	}
+	else
+	if( r == 1 )
+	{
+		pthread_mutex_unlock(&mutex);
+	}
+}
+
+
+
+
+} // namespace Winix
+

winixd/core/synchro.h

@@ -0,0 +1,76 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_synchro
+#define headerfile_winix_core_synchro
+
+#include <pthread.h>
+#include <map>
+
+
+namespace Winix
+{
+
+
+
+struct Synchro
+{
+	// one global mutex
+	pthread_mutex_t mutex;
+
+
+	// true when winix is closing
+	volatile bool was_stop_signal;
+
+
+	Synchro();
+
+	bool Lock();
+	void Unlock();
+
+private:
+
+	// deadlock counter for each thread
+	// we can call Lock() more than one in the same thread
+	std::map<pthread_t, int> ref;
+
+};
+
+
+} // namespace Winix
+
+
+#endif
+
+

winixd/core/system.h

@@ -0,0 +1,250 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_system
+#define headerfile_winix_core_system
+
+#include <ctime>
+#include "job.h"
+#include "dirs.h"
+#include "mounts.h"
+#include "db/db.h"
+#include "request.h"
+#include "config.h"
+#include "crypt.h"
+#include "users.h"
+#include "groups.h"
+#include "rebus.h"
+#include "loadavg.h"
+#include "synchro.h"
+#include "image.h"
+#include "threadmanager.h"
+#include "notify/notify.h"
+#include "timezones.h"
+
+
+namespace Winix
+{
+
+
+
+class Functions;
+class SessionManager;
+
+
+// file system
+class System
+{
+public:
+
+	// contains current directories tree
+	Dirs dirs;
+
+	// mount points
+	Mounts mounts;
+
+	// users
+	Users users;
+	
+	// groups
+	Groups groups;
+
+	// rebus (captcha)
+	Rebus rebus;
+
+	// load averages
+	LoadAvg load_avg;
+
+	// notifications (by emails)
+	Notify notify;
+
+	// images (resizing, generating thumbnails)
+	Image image;
+
+	// the time when the winix starts
+	time_t system_start;
+
+	// cryptography and hashes
+	Crypt crypt;
+
+	// thread management
+	ThreadManager thread_manager;
+
+	// jobs
+	Job job;
+
+	// time zones read from etc/time_zones.conf
+	// when winix starts
+	TimeZones time_zones;
+
+
+	void SetCur(Cur * pcur);
+	void SetConfig(Config * pconfig);
+	void SetDb(Db * pdb);
+	void SetSynchro(Synchro * psynchro);
+	void SetFunctions(Functions * pfunctions);
+	void SetSessionManager(SessionManager * sm);
+	void Init();
+
+	void AddParams(const ParamTab & param_tab, std::wstring & str, bool clear_str = true);
+
+	void PutUrlProto(bool can_use_ssl, std::wstring & str, bool clear_str = true);
+	void RedirectTo(const Item & item, const wchar_t * postfix = 0, bool use_reqtype = true);
+	void RedirectTo(long item_id, const wchar_t * postfix = 0, bool use_reqtype = true);
+	void RedirectTo(const wchar_t * url, bool use_reqtype = true);
+	void RedirectTo(const std::wstring & url, bool use_reqtype = true);
+	void RedirectWithFunctionAndParamsTo(const wchar_t * url);
+	void RedirectWithFunctionAndParamsTo(const std::wstring & url);
+	void RedirectToLastDir(const wchar_t * postfix = 0, bool use_reqtype = true);
+	void RedirectToLastItem(const wchar_t * postfix = 0, bool use_reqtype = true); // redirect to an item if exists or to the last directory
+	void RedirectToLastFunction(const wchar_t * postfix = 0, bool use_reqtype = true);
+
+
+	bool CanChangeUser(const Item & item, long new_user_id);
+	bool CanChangeGroup(const Item & item, long new_group_id);
+	bool CanChangePrivileges(const Item & item, int new_priv);
+
+
+	bool HasReadAccess(const Item & item);
+	bool HasWriteAccess(const Item & item);
+	bool HasReadWriteAccess(const Item & item);
+	bool HasReadExecAccess(const Item & item);
+	bool HasReadExecAccessToPath(long dir_id);
+	bool HasReadExecAccessToPath(const std::vector<Item*> & dir_tab);
+	bool DirsHaveReadExecPerm();
+	void CheckAccessToItems(std::vector<Item> & item_tab);
+	void CheckWriteAccessToItems(std::vector<Item> & item_tab);
+
+	/*
+		this method checks the sticky bit and write permissions
+		it returns true if we can remove/rename an item for the given child_item_user_id user id
+	*/
+	bool CanRemoveRenameChild(const Item & dir, long child_item_user_id);
+
+	int NewFilePrivileges();
+	int NewDirPrivileges();
+
+
+	bool CanUseHtml(long user_id);
+	bool CanUseBBCode(long user_id);
+	bool CanUseRaw(long user_id);
+
+	bool IsSuperUser(long user_id);
+	bool IsMemberOfGroup(long user_id, const wchar_t * group_name);
+
+	// creating item.file_path and item.file_fs (the mountpoint where the item is located)
+	bool CreateNewFile(Item & item);
+	bool MakeFilePath(const Item & item, std::wstring & path, bool thumb = false, bool create_dir = false, int chmod = 0755, int group = -1);
+
+	bool MakePath(const Item & item, std::wstring & path, bool clear_path = true);
+
+	Error AddFile(Item & item, int notify_code = 0, bool call_plugins = true);
+	Error EditFile(Item & item, bool with_url = true, int notify_code = 0, bool call_plugins = true);
+
+
+	time_t   ToLocal(time_t utc_time);
+	PT::Date ToLocal(const PT::Date & utc_date);
+
+	time_t   ToUTC(time_t local_time);
+	PT::Date ToUTC(const PT::Date & local_date);
+
+
+	int FollowLink(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
+				   std::vector<Item*> & out_dir_tab, Item & out_item);
+
+	int FollowAllLinks(const std::vector<Item*> & current_dir_tab, const std::wstring & link_to,
+					   std::vector<Item*> & out_dir_tab, Item & out_item,
+					   bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
+
+	// starting from root dir
+	int FollowAllLinks(const std::wstring & link_to,
+					   std::vector<Item*> & out_dir_tab, Item & out_item,
+					   bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
+
+	// using cur->request->dir_tab and cur->request->item
+	bool FollowAllLinks(const std::wstring & link_to,
+						bool follow_dir_default = false, bool stop_on_link_redirect = false, bool check_access = true);
+
+
+	bool AddCommonFileToVar(const wchar_t * file_path, const wchar_t * url, bool overwrite_existing = true);
+
+	// reloading time zones
+	void ReadTimeZones();
+
+
+	void CreateItemLink(long parent_id, const std::wstring & url, const std::wstring & subdomain,
+						std::wstring & link, bool clear_str = true);
+
+	void CreateItemLink(const Item & item, std::wstring & link, bool clear_str = true);
+
+
+private:
+	
+	Cur     * cur;
+	Db      * db;
+	Config  * config;
+	Synchro * synchro;
+	Functions * functions;
+	SessionManager * session_manager;
+
+	Item item_temp;
+	std::wstring link_to_temp, name_temp;
+	std::wstring file_content, file_name;
+	Item file_content_item;
+
+	// for FollowAllLinks
+	std::vector<Item*> temp_follow_dir_tab;
+	std::vector<Item*> root_follow_dir_tab;
+	Item temp_follow_item;
+
+	bool HasAccess(const Item & item, int mask);
+	int  NewPrivileges(int creation_mask);
+
+	bool CreateNewFileSimpleFs(Item & item);
+	bool CreateNewFileHashFs(Item & item);
+
+	bool FollowAllLinksDirFound(std::vector<Item*> & out_dir_tab,
+								bool follow_dir_default, bool stop_on_link_redirect, bool check_access);
+
+	bool FollowAllLinksFileOrSymlinkFound(std::vector<Item*> & out_dir_tab, Item & out_item,
+										  bool stop_on_link_redirect, bool check_access);
+};
+
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/textstream.h

@@ -0,0 +1,556 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2010-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_textstream
+#define headerfile_winix_core_textstream
+
+#include <string>
+#include <ctime>
+#include "misc.h"
+#include "space/space.h"
+#include "date/date.h"
+#include "textstream/textstream.h"
+#include "utf8/utf8.h"
+
+
+namespace Winix
+{
+
+
+
+
+/*
+	a special class representing a stream buffer
+	similar to std::ostringstream
+
+	StringType can be either std::string or std::wstring
+
+	this class uses UTF-8 <-> wide characters conversions:
+	if StringType is std::string:
+	   operator<<(const char*)    only copies the input string
+	   operator<<(const wchar_t*) converts from wide characters to UTF-8
+	   (similary for an operator with std::string and std::wstring)
+	if StringType is std::wstring:
+	   operator<<(const char*)    converts from UTF-8 to wide characters
+	   operator<<(const wchar_t*) only copies the input string
+	   (similary for an operator with std::string and std::wstring)
+
+*/
+template<class StringType>
+class TextStream
+{
+public:
+
+	typedef typename StringType::value_type CharType;
+	typedef typename StringType::value_type char_type;
+
+	void Clear();
+	bool Empty() const;
+	size_t Size() const;
+	void Reserve(size_t len);
+
+	const StringType & Str() const;
+	const CharType * CStr() const;
+
+	void Str(const StringType & str);
+	void Str(const StringType && str);
+
+	CharType operator[](size_t index);
+
+	TextStream & operator<<(const char * str);
+	TextStream & operator<<(const std::string * str);
+	TextStream & operator<<(const std::string & str);
+
+	TextStream & operator<<(const wchar_t * str);
+	TextStream & operator<<(const std::wstring * str);
+	TextStream & operator<<(const std::wstring & str);
+
+	TextStream & operator<<(char);
+	TextStream & operator<<(wchar_t);
+	TextStream & operator<<(int);
+	TextStream & operator<<(long);
+	TextStream & operator<<(unsigned int);
+	TextStream & operator<<(unsigned long);
+	TextStream & operator<<(double);
+	TextStream & operator<<(const void *);// printing a pointer
+	TextStream & operator<<(const PT::Space & space);
+	TextStream & operator<<(const PT::Date & date);
+
+	template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+	TextStream & operator<<(const PT::TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg);
+
+	TextStream & Write(const char * buf,    size_t len);
+	TextStream & Write(const wchar_t * buf, size_t len);
+	TextStream & write(const char * buf,    size_t len);     // for compatibility with standard library (Ezc uses it)
+	TextStream & write(const wchar_t * buf, size_t len);
+
+
+protected:
+
+	StringType buffer;
+
+	void Convert(wchar_t c, std::string & dst);
+	void Convert(wchar_t c, std::wstring & dst);
+
+	void Convert(const char * src, size_t len,    std::wstring & dst);
+	void Convert(const char * src,                std::wstring & dst);
+	void Convert(const std::string & src,         std::wstring & dst);
+
+	void Convert(const wchar_t * src, size_t len, std::string & dst);
+	void Convert(const wchar_t * src,             std::string & dst);
+	void Convert(const std::wstring & src,        std::string & dst);
+
+	void Convert(const char * src, size_t len,    std::string & dst);
+	void Convert(const char * src,                std::string & dst);
+	void Convert(const std::string & src,         std::string & dst);
+
+	void Convert(const wchar_t * src, size_t len, std::wstring & dst);
+	void Convert(const wchar_t * src,             std::wstring & dst);
+	void Convert(const std::wstring & src,        std::wstring & dst);
+
+};
+
+
+
+template<class StringType>
+void TextStream<StringType>::Clear()
+{
+	buffer.clear();
+}
+
+template<class StringType>
+bool TextStream<StringType>::Empty() const
+{
+	return buffer.empty();
+}
+
+template<class StringType>
+size_t TextStream<StringType>::Size() const
+{
+	return buffer.size();
+}
+
+template<class StringType>
+void TextStream<StringType>::Reserve(size_t len)
+{
+	buffer.reserve(len);
+}
+
+
+template<class StringType>
+const StringType & TextStream<StringType>::Str() const
+{
+	return buffer;
+}
+
+
+template<class StringType>
+const typename TextStream<StringType>::CharType * TextStream<StringType>::CStr() const
+{
+	return buffer.c_str();
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Str(const StringType & str)
+{
+	buffer = str;
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Str(const StringType && str)
+{
+	buffer = str;
+}
+
+
+
+template<class StringType>
+typename TextStream<StringType>::CharType TextStream<StringType>::operator[](size_t index)
+{
+	return buffer[index];
+}
+
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const char * str)
+{
+	Convert(str, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const std::string * str)
+{
+	Convert(*str, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const std::string & str)
+{
+	Convert(str, buffer);
+
+return *this;
+}
+
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const wchar_t * str)
+{
+	Convert(str, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const std::wstring * str)
+{
+	Convert(*str, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const std::wstring & str)
+{
+	Convert(str, buffer);
+
+return *this;
+}
+
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(char v)
+{
+	/*
+	 * there is no any possibility to treat 'v' as UTF-8 character if we have got
+	 * only one character so we only copy it
+	 */
+	buffer += v;
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(wchar_t v)
+{
+	Convert(v, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(int v)
+{
+wchar_t buf[50];
+size_t len = sizeof(buf) / sizeof(wchar_t);
+
+	Toa(v, buf, len);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(long v)
+{
+wchar_t buf[50];
+size_t len = sizeof(buf) / sizeof(wchar_t);
+
+	Toa(v, buf, len);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(unsigned int v)
+{
+wchar_t buf[50];
+size_t len = sizeof(buf) / sizeof(wchar_t);
+
+	Toa(v, buf, len);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(unsigned long v)
+{
+wchar_t buf[50];
+size_t len = sizeof(buf) / sizeof(wchar_t);
+
+	Toa(v, buf, len);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(double v)
+{
+char buf[50];
+
+	sprintf(buf, "%f", v);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const void * v)
+{
+wchar_t buf[50];
+size_t len = sizeof(buf) / sizeof(wchar_t);
+
+	buf[0] = '0';
+	buf[1] = 'x';
+
+	Toa(reinterpret_cast<unsigned long>(v), buf+2, len-2, 16);
+	Convert(buf, buffer);
+
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::Write(const char * buf, size_t len)
+{
+	Convert(buf, len, buffer);
+	
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::write(const char * buf, size_t len)
+{
+	return Write(buf, len);
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::Write(const wchar_t * buf, size_t len)
+{
+	Convert(buf, len, buffer);
+	
+return *this;
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::write(const wchar_t * buf, size_t len)
+{
+	return Write(buf, len);
+}
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const PT::Space & space)
+{
+	space.Serialize(*this, true, false);
+
+return *this;
+}
+
+
+
+template<class StringType>
+TextStream<StringType> & TextStream<StringType>::operator<<(const PT::Date & date)
+{
+	date.Serialize(*this);
+
+return *this;
+}
+
+
+template<class StringType>
+template<typename arg_char_type, size_t arg_stack_size, size_t arg_heap_block_size>
+TextStream<StringType> & TextStream<StringType>::operator<<(
+				const PT::TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size> & arg)
+{
+typename PT::TextStreamBase<arg_char_type, arg_stack_size, arg_heap_block_size>::const_iterator i;
+
+	for(i=arg.begin() ; i != arg.end() ; ++i)
+		buffer += static_cast<char_type>(*i);
+
+return *this;
+}
+
+
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(wchar_t c, std::string & dst)
+{
+	PT::IntToUTF8((int)c, dst, false);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(wchar_t c, std::wstring & dst)
+{
+	dst += c;
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const char * src, size_t len, std::wstring & dst)
+{
+	PT::UTF8ToWide(src, len, dst, false);
+}
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const char * src, std::wstring & dst)
+{
+	PT::UTF8ToWide(src, dst, false);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const std::string & src, std::wstring & dst)
+{
+	PT::UTF8ToWide(src, dst, false);
+}
+
+
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const wchar_t * src, size_t len, std::string & dst)
+{
+	PT::WideToUTF8(src, len, dst, false);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const wchar_t * src, std::string & dst)
+{
+	PT::WideToUTF8(src, dst, false);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const std::wstring & src, std::string & dst)
+{
+	PT::WideToUTF8(src, dst, false);
+}
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const char * src, size_t len, std::string & dst)
+{
+	// we suppose that append is smart enough and we don't have to use reserve()
+	dst.append(src, len);
+}
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const char * src, std::string & dst)
+{
+size_t len;
+
+	for(len=0 ; src[len] ; ++len){}
+
+	Convert(src, len, dst);
+}
+
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const std::string & src, std::string & dst)
+{
+	dst.append(src);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const wchar_t * src, size_t len, std::wstring & dst)
+{
+	// we suppose that append is smart enough and we don't have to use reserve()
+	dst.append(src, len);
+}
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const wchar_t * src, std::wstring & dst)
+{
+size_t len;
+
+	for(len=0 ; src[len] ; ++len){}
+
+	Convert(src, len, dst);
+}
+
+
+
+template<class StringType>
+void TextStream<StringType>::Convert(const std::wstring & src, std::wstring & dst)
+{
+	dst.append(src);
+}
+
+
+} // namespace Winix
+
+
+
+#endif
+

winixd/core/threadmanager.cpp

@@ -0,0 +1,170 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <signal.h>
+#include "threadmanager.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+
+ThreadManager::ThreadManager()
+{
+	were_started = false;
+}
+
+
+void ThreadManager::SetSynchro(Synchro * psynchro)
+{
+	synchro = psynchro;
+}
+
+
+void ThreadManager::Init()
+{
+sigset_t set;
+
+	sigemptyset(&set);
+	sigaddset(&set, SIGTERM);
+	sigaddset(&set, SIGINT);
+
+	// blocking SIGTERM and SIGINT
+	// new threads will have the signals blocked too
+	pthread_sigmask(SIG_BLOCK, &set, 0);
+}
+
+
+
+
+void ThreadManager::Add(BaseThread * pbase, const wchar_t * thread_name)
+{
+ThreadItem item;
+
+	item.object = pbase;
+	item.name   = thread_name;
+	thread_tab.push_back(item);
+
+	if( were_started )
+		Start(thread_tab.size() - 1);
+	else
+		log << log4 << "TM: added a thread to the queue, number: " << (thread_tab.size()-1)
+			<< ", name: " << thread_name << logend;
+}
+
+
+void ThreadManager::Add(BaseThread & pbase, const wchar_t * thread_name)
+{
+	Add(&pbase, thread_name);
+}
+
+
+void ThreadManager::Add(BaseThread * pbase, const std::wstring & thread_name)
+{
+	Add(pbase, thread_name.c_str());
+}
+
+void ThreadManager::Add(BaseThread & pbase, const std::wstring & thread_name)
+{
+	Add(&pbase, thread_name.c_str());
+}
+
+
+
+void ThreadManager::StartAll()
+{
+	synchro->Lock();
+
+	for(size_t i=0 ; i<thread_tab.size() ; ++i)
+		Start(i);
+
+	synchro->Unlock();
+
+	were_started = true;
+}
+
+
+void ThreadManager::Start(size_t i)
+{
+	if( i < thread_tab.size() )
+	{
+		thread_tab[i].object->SetSynchro(synchro);
+
+		if( thread_tab[i].object->StartThread() )
+		{
+			log << log4 << "TM: thread " << i << " (" << thread_tab[i].object->ThreadId() << ", name: "
+				<< thread_tab[i].name << ") started" << logend;
+		}
+		else
+		{
+			log << log4 << "TM: cannot run a thread, thread number: " << i
+				<< ", name: " << thread_tab[i].name << logend;
+		}
+	}
+}
+
+
+void ThreadManager::StopAll()
+{
+	if( !were_started )
+		return;
+
+	// WakeUpThread() should be used with Lock/Unlock
+	synchro->Lock();
+
+	for(size_t i=0 ; i<thread_tab.size() ; ++i)
+		thread_tab[i].object->WakeUpThread();
+
+	synchro->Unlock();
+
+
+	for(size_t i=0 ; i<thread_tab.size() ; ++i)
+	{
+		log << log4 << "TM: waiting for thread " << i << " (" << thread_tab[i].object->ThreadId()
+			<< ", name: " << thread_tab[i].name << ")" << logend;
+
+		thread_tab[i].object->WaitForThread();
+
+		log << log4 << "TM: thread " << i << " terminated" << logend;
+	}
+}
+
+
+
+
+} // namespace Winix
+

winixd/core/threadmanager.h

@@ -0,0 +1,99 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2011-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_threadmanager
+#define headerfile_winix_core_threadmanager
+
+#include <string>
+#include <vector>
+#include "basethread.h"
+#include "synchro.h"
+
+
+namespace Winix
+{
+
+
+
+
+class ThreadManager
+{
+public:
+
+	ThreadManager();
+
+	// synchro object
+	void SetSynchro(Synchro * psynchro);
+
+	// initializing
+	void Init();
+
+	// adding a new thread to the queue
+	// the thread will be running only if we call StartAll() before
+	// otherwise the thread will be waiting for StartAll()
+	void Add(BaseThread * pbase, const wchar_t * thread_name);
+	void Add(BaseThread & pbase, const wchar_t * thread_name);
+	void Add(BaseThread * pbase, const std::wstring & thread_name);
+	void Add(BaseThread & pbase, const std::wstring & thread_name);
+
+	// starting all threads
+	void StartAll();
+
+	// sending a stop signal to all threads
+	// and waiting until they finish
+	void StopAll();
+
+private:
+
+	struct ThreadItem
+	{
+		BaseThread * object;
+		std::wstring name;
+	};
+
+	Synchro * synchro;
+	typedef std::vector<ThreadItem> ThreadTab;
+	ThreadTab thread_tab;
+	bool were_started;
+
+	void Start(size_t i);
+
+};
+
+
+} // namespace Winix
+
+
+#endif
+

winixd/core/timezone.cpp

@@ -0,0 +1,322 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "timezone.h"
+#include "misc.h"
+
+
+namespace Winix
+{
+
+
+
+
+TimeZone::Dst::Dst()
+{
+	Clear();
+}
+
+
+void TimeZone::Dst::Clear()
+{
+	has_dst = false;
+	start.Clear();
+	end.Clear();
+	offset = 0;
+}
+
+
+bool TimeZone::Dst::IsDstUsed(const PT::Date & date) const
+{
+	if( !has_dst )
+		return false;
+
+	if( Compare(start, date) <= 0 ) // !! CHECK ME <= or < ? (what about the one second?)
+		if( Compare(date, end) < 0 )
+			return true;
+
+return false;
+}
+
+
+int TimeZone::Dst::Compare(const PT::Date & date1, const PT::Date & date2) const
+{
+	// year is ignored
+
+	if( date1.month != date2.month )
+		return date1.month - date2.month;
+
+	if( date1.day != date2.day )
+		return date1.day - date2.day;
+
+	if( date1.hour != date2.hour )
+		return date1.hour - date2.hour;
+
+	if( date1.min != date2.min )
+		return date1.min - date2.min;
+
+	if( date1.sec != date2.sec )
+		return date1.sec - date2.sec;
+
+	// dates are equal
+	return 0;
+}
+
+
+
+
+TimeZone::TimeZone()
+{
+	Clear();
+}
+
+
+
+
+void TimeZone::Clear()
+{
+	name.clear();
+	id         = 0;
+	offset     = 0;
+	dst_map.clear();
+}
+
+
+
+TimeZone::Dst * TimeZone::FindDst(int year)
+{
+	if( dst_map.empty() )
+		return 0;
+
+	DstMap::iterator i = dst_map.lower_bound(year);
+
+	if( i == dst_map.begin() && i->first > year )
+		return 0;
+
+	if( i == dst_map.end() )
+		return &(--i)->second;
+
+	if( i != dst_map.begin() && i->first > year )
+		return &(--i)->second;
+
+return &i->second;
+}
+
+
+
+time_t TimeZone::CalcLocalOffset(const PT::Date & utc_date)
+{
+time_t dst_offset = 0;
+
+	Dst * dst = FindDst(utc_date.year);
+
+	if( dst && dst->IsDstUsed(utc_date) )
+		dst_offset = dst->offset;
+
+return offset + dst_offset;
+}
+
+
+
+time_t TimeZone::ToLocal(time_t utc_time)
+{
+	time_t offset = CalcLocalOffset(PT::Date(utc_time));
+
+return utc_time + offset;
+}
+
+
+PT::Date TimeZone::ToLocal(const PT::Date & utc_date)
+{
+	PT::Date local(utc_date);
+	local += CalcLocalOffset(utc_date);
+
+return local;
+}
+
+
+time_t TimeZone::CalcUTCOffset(const PT::Date & local_date)
+{
+time_t dst_offset = 0;
+
+	Dst * dst = FindDst(local_date.year);
+
+	if( dst && dst->has_dst )
+	{
+		// dst date ranges we have in UTC
+		PT::Date utc(local_date);
+		utc -= (offset + dst->offset);
+
+		if( dst->IsDstUsed(utc) )
+			dst_offset = dst->offset;
+	}
+
+return offset + dst_offset;
+}
+
+
+
+time_t TimeZone::ToUTC(time_t local_time)
+{
+	time_t offset = CalcUTCOffset(PT::Date(local_time));
+
+return local_time - offset;
+}
+
+
+
+PT::Date TimeZone::ToUTC(const PT::Date & local_date)
+{
+time_t offset;
+PT::Date utc(local_date);
+
+	offset = CalcUTCOffset(local_date);
+	utc   -= offset;
+
+return utc;
+}
+
+
+
+time_t TimeZone::ParseStrOffset(const wchar_t * str)
+{
+PT::Date date;
+bool is_sign = false;
+time_t offset = 0;
+
+	str = SkipWhite(str);
+
+	if( *str == '-' )
+	{
+		is_sign = true;
+		str += 1;
+	}
+	else
+	if( *str == '+' )
+	{
+		str += 1;
+	}
+
+	if( date.ParseTime(str) )
+	{
+		offset = date.hour * 60 * 60 + date.min * 60 + date.sec;
+
+		if( is_sign )
+			offset = -offset;
+	}
+
+return offset;
+}
+
+
+time_t TimeZone::GetOffset(PT::Space & space)
+{
+	std::wstring * offset_str = space.GetValue(L"offset_str");
+
+	if( offset_str )
+		return ParseStrOffset(offset_str->c_str());
+
+return space.Long(L"offset");
+}
+
+
+bool TimeZone::SetTzDst(PT::Space & year)
+{
+	time_t h24 = 60 * 60 * 24; // 24 hours
+	bool result = true;
+	Dst dst;
+
+	int year_int = Toi(year.name);
+
+	if( year_int < 1970 && year_int > 10000 )
+		return false;
+
+	dst.has_dst = year.Bool(L"has_dst", false);
+
+	if( dst.has_dst )
+	{
+		dst.start.year = year_int;
+		dst.end.year   = year_int;
+
+		if( !dst.start.ParseMonthDayTime(year.Text(L"start")) )
+			result = false;
+
+		if( !dst.end.ParseMonthDayTime(year.Text(L"end")) )
+			result = false;
+
+		dst.offset = GetOffset(year);
+
+		if( dst.offset < -h24 || dst.offset > h24 )
+			result = false;
+	}
+
+	if( result )
+		dst_map[year_int] = dst;
+
+return result;
+}
+
+
+bool TimeZone::SetTz(PT::Space & space)
+{
+	bool result = true;
+	name    = space.name;
+	id      = space.Int(L"id", -1);
+	offset  = GetOffset(space);
+	time_t h24 = 60 * 60 * 24; // 24 hours
+
+	if( offset < -h24 || offset > h24 )
+		result = false;
+
+	PT::Space & dst = space.FindAddSpace(L"dst");
+
+	for(size_t i=0 ; i<dst.spaces.size() ; ++i)
+	{
+		PT::Space & year = *dst.spaces[i];
+
+		if( !SetTzDst(year) )
+		{
+			result = false;
+			break;
+		}
+	}
+
+return result;
+}
+
+
+
+} // namespace Winix
+
+

winixd/core/timezone.h

@@ -0,0 +1,170 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef headerfile_winix_core_timezone
+#define headerfile_winix_core_timezone
+
+#include <ctime>
+#include <map>
+#include "date/date.h"
+#include "space/space.h"
+
+
+
+namespace Winix
+{
+
+
+
+
+class TimeZone
+{
+public:
+
+
+	struct Dst
+	{
+		// true if a time zone has daylight saving time
+		bool has_dst;
+
+		// time zone daylight saving time (used if has_dst is true)
+		// the 'year' field is the same in 'start' and 'end'
+		// start and end are represented in UTC time
+		PT::Date start, end;
+
+		// time zone daylight saving time offset
+		// used when has_dst is true and the date is whithin start and end
+		// this offset should be added to time zone offset
+		time_t offset;
+
+		Dst();
+		void Clear();
+
+		// checking whether specified 'date' is in the range of <start, end>
+		// the year field in date, start and end is ignored
+		// has_dst must be true
+		bool IsDstUsed(const PT::Date & date) const;
+
+
+	private:
+
+		// Compare returns zero if date1 and date2 are equal
+		// return value less than zero if date1 is lower than date2
+		// and a value greater than zero if date1 is greater than date2
+		// the year field is ignored
+		int Compare(const PT::Date & date1, const PT::Date & date2) const;
+
+	};
+
+
+	TimeZone();
+
+
+	/*
+	*/
+	void Clear();
+
+
+	/*
+		reading zime zone values from Space struct (tz_id is skipped)
+		the space struct should have:
+		  "tz_offset" (long)
+		  "tz_has_dst" (bool)
+		if tz_has_dst is true then also:
+		  "tz_dst_start"  date in the following format: MM:DD HH[:MM[:SS]]
+		  "tz_dst_end"    the same as above
+		  "tz_dst_offset" (long)
+	*/
+	bool SetTz(PT::Space & space);
+
+
+	/*
+		 converting from UTC to local time
+	*/
+	time_t   CalcLocalOffset(const PT::Date & utc_date);
+	time_t   ToLocal(time_t utc_time);
+	PT::Date ToLocal(const PT::Date & utc_date);
+
+
+	/*
+		 converting from local time to UTC
+	*/
+	time_t   CalcUTCOffset(const PT::Date & local_date);
+	time_t   ToUTC(time_t local_time);
+	PT::Date ToUTC(const PT::Date & local_date);
+
+	// return a Dst structure for the specified year
+	// or null if it not exists
+	// this method can return a Dst structure for earlier year than 'year'
+	// if 'year' doesn't exist
+	Dst * FindDst(int year);
+
+
+
+	// a time zone name
+	// this is a key to locale
+	std::wstring name;
+
+	// each locale has its own identifier
+	size_t id;
+
+	// time zone offset (in seconds)
+	time_t offset;
+
+	// daylight saving time map
+	// year -> Dst
+	// if there is not a specified year we are taking the lower year, e.g.
+	// if we are looking for 2010 and there is no such a year then we take 2009
+	// (or 2008 if 2009 not exists etc)
+	typedef std::map<int, Dst> DstMap;
+	DstMap dst_map;
+
+
+
+private:
+
+	time_t ParseStrOffset(const wchar_t * str);
+	time_t GetOffset(PT::Space & space);
+	bool   SetTzDst(PT::Space & year);
+
+};
+
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/timezones.cpp

@@ -0,0 +1,206 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "timezones.h"
+#include "misc.h"
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+TimeZones::TimeZones()
+{
+	Clear();
+}
+
+
+void TimeZones::Clear()
+{
+	zone_tab.clear();
+
+	for(size_t i=0 ; i<zone_indices.size() ; ++i)
+		zone_indices[i] = size_t(-1);
+}
+
+
+void TimeZones::SetTimeZoneMaxId(size_t max_id)
+{
+	if( max_id > 1000 )
+	{
+		max_id = 1000;
+		log << log1 << "TZ: time_zone_max_id is too big (changed to 1000)" << logend;
+	}
+
+	size_t old_size = zone_indices.size();
+	zone_indices.resize(max_id + 1);
+
+	for(size_t i=old_size ; i<zone_indices.size() ; ++i)
+		zone_indices[i] = size_t(-1);
+}
+
+
+
+bool TimeZones::HasZone(size_t zone_id)
+{
+	if( zone_id < zone_indices.size() )
+		return zone_indices[zone_id] < zone_tab.size();
+
+return false;
+}
+
+
+TimeZone * TimeZones::GetZone(size_t zone_id)
+{
+	if( zone_id < zone_indices.size() )
+	{
+		size_t index = zone_indices[zone_id];
+
+		if( index < zone_tab.size() )
+			return &zone_tab[index];
+	}
+
+return 0;
+}
+
+
+TimeZone * TimeZones::GetZoneByIndex(size_t zone_index)
+{
+	if( zone_index < zone_tab.size() )
+		return &zone_tab[zone_index];
+
+return 0;
+}
+
+
+size_t TimeZones::Size() const
+{
+	return zone_tab.size();
+}
+
+
+bool TimeZones::Empty() const
+{
+	return zone_tab.empty();
+}
+
+
+
+
+
+void TimeZones::ParseZones()
+{
+	for(size_t i=0 ; i<temp_space.spaces.size() ; ++i)
+	{
+		PT::Space & zone = *temp_space.spaces[i];
+		temp_zone.Clear();
+
+		if( temp_zone.SetTz(zone) )
+		{
+			if( !HasZone(temp_zone.id) )
+			{
+				if( temp_zone.id < zone_indices.size() )
+				{
+					zone_tab.push_back(temp_zone);
+					zone_indices[temp_zone.id] = zone_tab.size() - 1;
+				}
+				else
+				{
+					log << log1 << "Tz: zone: " << temp_zone.name << " has too big id: "
+						<< temp_zone.id << " (skipping)" << logend;
+				}
+			}
+			else
+			{
+				log << log1 << "Tz: zone with id: " << temp_zone.id
+					<< " already exists (skipping)" << logend;
+			}
+		}
+		else
+		{
+			log << log1 << "System: problem with reading time zone info from time zone: "
+				<< zone.name << " (skipping) " << logend;
+		}
+	}
+}
+
+
+
+// !! IMPROVE ME
+// in the future we do not have to read the whole file
+// just space by space (not implemented in Space at the moment)
+bool TimeZones::ReadTimeZones(const wchar_t * path)
+{
+	parser.SetSpace(temp_space);
+	zone_tab.clear();
+	temp_space.Clear();
+
+	PT::SpaceParser::Status status = parser.Parse(path);
+
+	if( status == PT::SpaceParser::ok )
+	{
+		ParseZones();
+		log << log2 << "Tz: time zones loaded, there are " << zone_tab.size() << " zones" << logend;
+	}
+	else
+	if( status == PT::SpaceParser::syntax_error )
+	{
+		log << log1 << "TZ: error in time zone file, line: " << parser.line << logend;
+	}
+	else
+	if( status == PT::SpaceParser::cant_open_file )
+	{
+		log << log1 << "TZ: I cannot open the time zone file: " << path << logend;
+	}
+
+	temp_space.Clear();
+
+return status == PT::SpaceParser::ok;
+}
+
+
+
+bool TimeZones::ReadTimeZones(const std::wstring & path)
+{
+	return ReadTimeZones(path.c_str());
+}
+
+
+
+
+
+} // namespace Winix
+

winixd/core/timezones.h

@@ -0,0 +1,114 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef headerfile_winix_core_timezones
+#define headerfile_winix_core_timezones
+
+#include <string>
+#include <vector>
+#include "timezone.h"
+#include "space/spaceparser.h"
+
+
+namespace Winix
+{
+
+
+
+
+class TimeZones
+{
+public:
+
+	TimeZones();
+
+	// maximum allowed time zone's identifier
+	void SetTimeZoneMaxId(size_t max_id);
+
+	// reading time zone from a file
+	bool ReadTimeZones(const wchar_t * path);
+	bool ReadTimeZones(const std::wstring & path);
+
+	// returning true if there is a time zone with the zone_id identifier
+	bool HasZone(size_t zone_id);
+
+	// returning a time zone by time zone's identifier
+	// can return a null pointer if there is no such a zone
+	TimeZone * GetZone(size_t zone_id);
+
+	// returning the number of all time zones
+	size_t Size() const;
+
+	// returning a time zone by an internal index
+	// usuful for iterating through all zones
+	// this index is in a range of <0, Size()-1>
+	// can return a null pointer if the index is out of range
+	TimeZone * GetZoneByIndex(size_t zone_index);
+
+	// return true if there are not any time zones
+	bool Empty() const;
+
+	// clears all time zones
+	// this does not affect SetTimeZoneMaxId()
+	// so the size of zone_indices is not changed but all indices are invalidated
+	void Clear();
+
+
+private:
+
+	// indices to 'tab'
+	// with this we have O(1) time to find a time zone in 'tab'
+	// everywhere we use zone_id we refer to this table
+	// SetTimeZoneMaxId(size_t max_id) sets size of this table to max_id+1
+	std::vector<size_t> zone_indices;
+
+	// time zones
+	// everywhere we use zone_index we refer to this table
+	std::vector<TimeZone> zone_tab;
+
+	PT::SpaceParser parser;
+	PT::Space temp_space;
+	TimeZone temp_zone;
+
+	void ParseZones();
+
+};
+
+
+
+} // namespace Winix
+
+
+
+#endif

winixd/core/ugcontainer.h

@@ -0,0 +1,310 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_ugcontainer
+#define headerfile_winix_core_ugcontainer
+
+#include <list>
+#include <map>
+#include "log.h"
+
+
+namespace Winix
+{
+
+
+
+template<class Type>
+class UGContainer
+{
+public:
+
+	UGContainer();
+	~UGContainer();
+
+	typedef typename std::list<Type>  Table;
+	typedef typename Table::iterator  Iterator;
+	typedef typename Table::size_type SizeType;
+
+	typedef typename std::map<long, Iterator>         TableId;
+	typedef typename std::map<std::wstring, Iterator> TableName;
+
+
+	Iterator Begin();
+	Iterator End();
+	SizeType Size();
+	bool     Empty();
+	Iterator PushBack(const Type & type); // can return End() if the user already exists
+	void     Clear();
+
+	bool     Is(long id);
+	bool     Is(const std::wstring & name);
+
+	Iterator FindId(long id);
+	Iterator FindName(const std::wstring & name);
+
+	bool     Remove(long id);
+
+
+
+private:
+
+	// don't copy these objects
+	UGContainer(const UGContainer<Type> &);
+	UGContainer<Type> & operator=(const UGContainer<Type> &);
+
+	void AddIndexes(Iterator iter);
+	void RebuildIndexes();
+
+	// main table
+	Table table;
+
+	// table.size() has O(n) complexity
+	size_t table_size;
+
+	// indexes
+	TableId table_id;
+	TableName table_name;
+};
+
+
+
+template<class Type>
+UGContainer<Type>::~UGContainer()
+{
+	Clear();
+}
+
+
+template<class Type>
+UGContainer<Type>::UGContainer()
+{
+	Clear();
+}
+
+
+// is private
+template<class Type>
+UGContainer<Type>::UGContainer(const UGContainer<Type> &)
+{
+	Clear();
+}
+
+// is private
+template<class Type>
+UGContainer<Type> & UGContainer<Type>::operator=(const UGContainer<Type> &)
+{
+	Clear();
+	return *this;
+}
+
+
+template<class Type>
+typename UGContainer<Type>::Iterator UGContainer<Type>::Begin()
+{
+	return table.begin();	
+}
+
+
+
+template<class Type>
+typename UGContainer<Type>::Iterator UGContainer<Type>::End()
+{
+	return table.end();	
+}
+
+
+
+template<class Type>
+typename UGContainer<Type>::SizeType UGContainer<Type>::Size()
+{
+	return table_size;
+}
+
+
+
+template<class Type>
+bool UGContainer<Type>::Empty()
+{
+	return table.empty();
+}
+
+
+
+template<class Type>
+typename UGContainer<Type>::Iterator UGContainer<Type>::PushBack(const Type & type)
+{
+	if( Is(type.id) || Is(type.name) )
+		return End();
+
+	table.push_back(type);
+	table_size += 1;
+	Iterator i = --table.end();
+	log << log3 << "UGCont: added, id: " << type.id << ", name: " << type.name << logend;
+	AddIndexes(i);
+		
+return i;
+}
+
+
+
+template<class Type>
+void UGContainer<Type>::Clear()
+{
+	table_size = 0;
+	table.clear();	
+	table_id.clear();
+	table_name.clear();
+}
+
+
+
+template<class Type>
+bool UGContainer<Type>::Is(long id)
+{
+	typename TableId::iterator i = table_id.find(id);
+
+	if( i == table_id.end() )
+		return false;
+		
+return true;
+}
+
+
+template<class Type>
+bool UGContainer<Type>::Is(const std::wstring & name)
+{
+	typename TableName::iterator i = table_name.find(name);
+
+	if( i == table_name.end() )
+		return false;
+		
+return true;
+}
+
+
+
+template<class Type>
+typename UGContainer<Type>::Iterator UGContainer<Type>::FindId(long id)
+{
+	typename TableId::iterator i = table_id.find(id);
+
+	if( i == table_id.end() )
+		return table.end();
+		
+return i->second;
+}
+
+
+
+template<class Type>
+typename UGContainer<Type>::Iterator UGContainer<Type>::FindName(const std::wstring & name)
+{
+	typename TableName::iterator i = table_name.find(name);
+
+	if( i == table_name.end() )
+		return table.end();
+		
+return i->second;
+}
+
+
+
+template<class Type>
+void UGContainer<Type>::AddIndexes(UGContainer<Type>::Iterator iter)
+{
+	table_id.insert( std::make_pair(iter->id, iter) );
+	table_name.insert( std::make_pair(iter->name, iter) );
+	
+	log << log4 << "UGCont: added indexes to: id: " << iter->id << ", name: " << iter->name << logend;
+}
+
+
+
+template<class Type>
+void UGContainer<Type>::RebuildIndexes()
+{
+Iterator i;
+
+	log << log4 << "UGCont: rebuilding indexes" << logend;
+	
+	table_id.clear();
+	table_name.clear();
+
+	for(i=table.begin() ; i!=table.end() ; ++i)
+		AddIndexes(i);
+		
+	log << log4 << "UGCont: indexes rebuilt, table.size: " << table_size << ", table_id.size: "
+	    << table_id.size() << ", table_name.size: " << table_name.size() << logend;
+}
+
+
+
+
+
+template<class Type>
+bool UGContainer<Type>::Remove(long id)
+{
+	typename TableId::iterator i = table_id.find(id);
+	typename TableName::iterator n;
+	bool result = false;
+
+	if( i != table_id.end() )
+	{
+		for(n=table_name.begin() ; n != table_name.end() ; ++n)
+		{
+			if( n->second == i->second )
+			{
+				table_name.erase(n);
+				log << log4 << "UGCont: removed index_id to: id: " << i->second->id << ", name: " << i->second->name << logend;
+				break;
+			}
+		}
+
+		log << log4 << "UGCont: removed index_name to: id: " << i->second->id << ", name: " << i->second->name << logend;
+		log << log3 << "UGCont: removed: id: " << i->second->id << ", name: " << i->second->name << logend;
+		table.erase(i->second);
+		table_id.erase(i);
+		result = true;
+	}
+
+return result;
+}
+
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/user.cpp

@@ -0,0 +1,83 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2012-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include "user.h"
+
+
+namespace Winix
+{
+
+
+
+User::User()
+{
+	Clear();
+}
+
+
+void User::Clear()
+{
+	id = -1;
+	name.clear();
+	super_user = false;
+	groups.clear();
+	email.clear();
+	notify = 0;
+	env.Clear();
+	aenv.Clear();
+	status = WINIX_ACCOUNT_BLOCKED;
+	locale_id = 0;
+	time_zone_id = 0;
+}
+
+
+
+bool User::IsMemberOf(long group)
+{
+std::vector<long>::iterator i;
+
+	for(i=groups.begin() ; i!=groups.end() ; ++i)
+		if( *i == group )
+			return true;
+
+return false;
+}
+
+
+
+
+
+} // namespace Winix
+
+

winixd/core/user.h

@@ -0,0 +1,145 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#ifndef headerfile_winix_core_user
+#define headerfile_winix_core_user
+
+#include <string>
+#include <vector>
+#include "space/space.h"
+#include "date/date.h"
+
+
+namespace Winix
+{
+
+
+
+#define WINIX_ACCOUNT_MAX_LOGIN_SIZE		250
+#define WINIX_ACCOUNT_MAX_PASSWORD_SIZE		250
+#define WINIX_ACCOUNT_MAX_EMAIL_SIZE		250
+
+
+
+// account status
+// 1 - a user has created its account -- an email was sent back to him
+#define WINIX_ACCOUNT_NOT_ACTIVATED		1
+
+// 2 - a user clicked on the link in the mail and now can normally use his account
+// (if has a password set too)
+#define WINIX_ACCOUNT_READY				2
+
+// 3 - account was suspended
+#define WINIX_ACCOUNT_SUSPENDED			3
+
+// 4 - account was banned
+#define WINIX_ACCOUNT_BLOCKED			4
+
+
+
+
+
+/*
+	a user can login only to an account which status is equal to WINIX_ACCOUNT_READY
+
+	actually there is no difference between WINIX_ACCOUNT_SUSPENDED and WINIX_ACCOUNT_BANNED
+	only a different message will be present on the website
+
+	you can use other values of status in your plugins - this not have any impact on winix
+	the default 'login' winix function only allowes to login a user who has WINIX_ACCOUNT_READY value
+	but you can provide your own 'login' function which can work in a different way
+
+	winix knows that user is login when cur->session->puser pointer is set
+	(when the pointer is not null then winix do not check what the value of 'status' is --
+	the status is only tested in 'login' function)
+*/
+
+
+/*
+	a temporary struct used for hashing and encrypting a user's password
+*/
+struct UserPass
+{
+	bool has_pass;				// true if the user has a password set
+								// if false the user cannot login
+	int pass_type;				// the kind of hash (WINIX_CRYPT_HASH_* see crypt.h)
+	std::wstring pass;			// password hashed or plain text if pass_type==0
+	std::string pass_encrypted; // password encrypted
+	bool pass_hash_salted;		// true when the hash was salted (plain text passwords are never salted)
+};
+
+
+
+struct User
+{
+	long id;
+	std::wstring name;
+	bool super_user;
+	std::vector<long> groups;
+	std::wstring email;
+	int notify;
+
+	// environment variables which can be set by this user
+	// use 'env' winix function
+	PT::Space env;
+
+	// environment variables set only by an administrator
+	// an administrator can use 'env' winix function with 'a' parameter
+	PT::Space aenv;
+
+	// account status
+	// WINIX_ACCOUNT_*
+	// a user can normally login only when status is WINIX_ACCOUNT_READY
+	int status;
+
+	// locale identifier
+	size_t locale_id;
+
+	// time zone identifier
+	size_t time_zone_id;
+
+	User();
+	
+	void Clear();
+	bool IsMemberOf(long group);
+	bool ReadMonthDayTime(PT::Date & date, const wchar_t * str);
+	bool SetTzFromEnv();
+
+};
+
+
+} // namespace Winix
+
+
+#endif

winixd/core/users.cpp

@@ -0,0 +1,326 @@
+/*
+ * This file is a part of Winix
+ * and is distributed under the 2-Clause BSD licence.
+ * Author: Tomasz Sowa <t.sowa@ttmath.org>
+ */
+
+/* 
+ * Copyright (c) 2008-2014, Tomasz Sowa
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * 
+ */
+ 
+#include <arpa/inet.h>
+#include "users.h"
+#include "sessionmanager.h"
+#include "plugin.h"
+
+
+namespace Winix
+{
+
+
+
+Users::Users()
+{
+	how_many_logged = 0; // !! CHECK ME may it should be moved to Clear() method?
+	Clear();
+}
+
+
+void Users::SetCur(Cur * pcur)
+{
+	cur = pcur;
+}
+
+
+void Users::SetSessionManager(SessionManager * sm)
+{
+	session_manager = sm;
+}
+
+
+void Users::Clear()
+{
+	table.Clear();	
+}
+
+
+
+void Users::ReadUsers(Db * db)
+{
+	Clear();	
+	db->GetUsers(table);
+}
+
+
+
+
+bool Users::AddUser(const User & user)
+{
+	Table::Iterator i = table.PushBack(user);
+	
+return (i != table.End());
+}
+
+
+bool Users::IsUser(const std::wstring & name)
+{
+	return table.Is(name);
+}
+
+
+User * Users::GetUser(long user_id)
+{
+	Table::Iterator i = table.FindId(user_id);
+	
+	if( i == table.End() )
+		return 0;
+	
+return &(*i);
+}
+
+
+User * Users::GetUser(const std::wstring & name)
+{
+	Table::Iterator i = table.FindName(name);
+	
+	if( i == table.End() )
+		return 0;
+	
+return &(*i);
+}
+
+
+
+long Users::GetUserId(const std::wstring & name)
+{
+User * puser = GetUser(name);
+
+	if( !puser )
+		return -1;	
+	
+return puser->id;
+}
+
+
+
+Users::Iterator Users::Begin()
+{
+	return table.Begin();
+}
+
+
+
+Users::Iterator Users::End()
+{
+	return table.End();
+}
+
+
+
+Users::SizeType Users::Size()
+{
+	return table.Size();
+}
+
+
+bool Users::Remove(long user_id)
+{
+	bool result = false;
+	User * puser = GetUser(user_id);
+
+	if( puser )
+	{
+		LogoutUser(user_id);
+		plugin.Call(WINIX_PREPARE_TO_REMOVE_USER, puser);
+		result = table.Remove(user_id);
+
+		if( result )
+			plugin.Call(WINIX_USER_REMOVED, user_id);
+	}
+
+return result;
+}
+
+
+// private
+bool Users::LoginUserCheckSession(bool use_ses_log)
+{
+	if( !cur->session )
+		return false;
+
+	if( cur->session->id == 0 )
+	{
+		log << log1 << "Users: I cannot login a user on a temporary session" << logend;
+
+		if( use_ses_log )
+			slog << logerror << T(L"service_unavailable") << logend;
+
+		return false;
+	}
+
+return true;
+}
+
+
+// private
+User * Users::LoginUserCheckStatus(long user_id, bool use_ses_log)
+{
+	User * puser = GetUser(user_id);
+
+	if( !puser )
+	{
+		log << log1 << "Users: user id: " << user_id << " is not in system.users table" << logend;
+
+		if( use_ses_log )
+			slog << logerror << T(L"service_unavailable") << logend;
+
+		return 0;
+	}
+
+	if( puser->status != WINIX_ACCOUNT_READY )
+	{
+		log << log1 << "Users: user id: " << user_id << " is not ready for logging in (status: "
+			<< puser->status << ")" << logend;
+
+		if( use_ses_log )
+		{
+			if( puser->status == WINIX_ACCOUNT_NOT_ACTIVATED )
+				slog << logerror << T(L"account_not_activated") << logend;
+			else
+			if( puser->status == WINIX_ACCOUNT_SUSPENDED )
+				slog << logerror << T(L"account_suspended") << logend;
+			else
+			if( puser->status == WINIX_ACCOUNT_BLOCKED )
+				slog << logerror << T(L"account_banned") << logend;
+		}
+
+		return 0;
+	}
+
+return puser;
+}
+
+
+
+bool Users::LoginUser(long user_id, bool remember_me, bool use_ses_log)
+{
+	if( !LoginUserCheckSession(use_ses_log) )
+		return false;
+
+	User * puser = LoginUserCheckStatus(user_id, use_ses_log);
+
+	if( !puser )
+		return false;
+
+	PluginRes res = plugin.Call(WINIX_PREPARE_USER_TO_LOGIN, puser);
+
+	if( res.res_false > 0 )
+	{
+		log << log3 << "Users: login prevented by a plugin" << logend;
+		return false;
+	}
+
+	if( cur->session->puser )
+		LogoutCurrentUser();
+
+	cur->session->puser       = puser;
+	cur->session->spam_score  = 0;
+	cur->session->remember_me = remember_me;
+
+	// change session id before last.UserLogin()
+	if( !cur->session->new_session )
+		session_manager->ChangeSessionId(cur->session->id);
+
+	last.UserLogin(user_id, cur->session->puser->name, cur->request->ip, cur->session->id);
+	how_many_logged += 1;
+
+	log << log2 << "Users: user " << cur->session->puser->name << " (id: " << user_id << ") logged" << logend;
+	plugin.Call(WINIX_USER_LOGGED);
+
+return true;
+}
+
+
+size_t Users::LogoutUser(long user_id)
+{
+	size_t how_many = 0;
+	User * puser = GetUser(user_id);
+
+	if( puser )
+	{
+		log << log2 << "Users: logging out user " << puser->name <<  ", id: "
+			<< puser->id << " from all sessions" << logend;
+		
+		// WINIX_PREPARE_USER_TO_LOGOUT will be sent by MarkAllSessionsToRemove()
+		how_many = session_manager->MarkAllSessionsToRemove(user_id);
+		how_many_logged -= how_many;
+
+		if( how_many )
+			log << log3 << "Users: " << how_many << " user(s) were logged out" << logend;
+	}
+
+return how_many;
+}
+
+
+
+void Users::LogoutCurrentUser()
+{
+	if( !cur->session || !cur->session->puser )
+		return;
+
+	log << log2 << "Users: user " << cur->session->puser->name <<  ", id: "
+		<< cur->session->puser->id << " logged out" << logend;
+	
+	plugin.Call(WINIX_PREPARE_USER_TO_LOGOUT, cur->session->puser);
+	last.UserLogout(cur->session->puser->id, cur->session->id);
+
+	if( how_many_logged > 0 ) // for safety
+		how_many_logged -= 1;
+	
+	cur->session->puser = 0;
+	cur->session->remember_me = false;
+}
+
+
+void Users::IncrementLoggedUsers()
+{
+	how_many_logged += 1;
+}
+
+
+long Users::HowManyLogged()
+{
+	return how_many_logged;
+}
+
+
+
+
+} // namespace Winix
+
+