added: a new winix function: passwd

for changing your password
       or if you are a super user you can
       change a password for anyone
added: uname prints available plugins now



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@748 e52654a7-88a9-db11-a3e9-0013d4bc506e

functions/passwd.cpp

@@ -0,0 +1,89 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2011, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+
+#include "passwd.h"
+#include "core/slog.h"
+#include "functions/functions.h"
+
+
+namespace Fun
+{
+
+
+Passwd::Passwd()
+{
+	fun.url = L"passwd";
+}
+
+
+
+bool Passwd::HasAccess()
+{
+	return cur->session->puser != 0;
+}
+
+
+
+bool Passwd::ChangePassword(const std::wstring & login, const std::wstring & new_password)
+{
+	up.pass = new_password;
+	system->crypt.PassHashCrypt(up);
+	Error res = db->ChangePass(login, up.pass, up.pass_encrypted, up.pass_type, up.pass_hash_salted);
+
+return res == WINIX_ERR_OK;
+}
+
+
+/*
+	if you are a root (super_user) you can change a password for everyone
+	(the html form has a select option)
+
+	but if you are not a root you can change only your password
+	and you should provide your current password as well
+*/
+void Passwd::MakePost()
+{
+long user_id;
+const std::wstring * plogin;
+
+	if( !cur->session->puser )
+		return;
+
+	bool is_root = cur->session->puser->super_user;
+
+	if( is_root )
+		plogin = &cur->request->PostVar(L"login");
+	else
+		plogin = &cur->session->puser->name;
+
+	const std::wstring & pass_cur  = cur->request->PostVar(L"passwordcur");
+	const std::wstring & pass_new  = cur->request->PostVar(L"passwordnew");
+	const std::wstring & pass_conf = cur->request->PostVar(L"passwordconfirm");
+
+	if( !is_root && !functions->fun_login.CheckUserPass(*plogin, pass_cur, user_id) )
+	{
+		log << log3 << "Passwd: incorrect current password" << logend;
+		slog << logerror << T("passwd_err_bad_current_password") << logend;
+		return;
+	}
+
+	if( !functions->fun_adduser.IsPasswordCorrect(pass_new, pass_conf) )
+		return;
+
+	if( ChangePassword(*plogin, pass_new) )
+	{
+		log << log2 << "Passwd: password for " << plogin << " has been changed" << logend;
+		slog << loginfo << T("passwd_password_changed") << logend;
+		system->RedirectToLastItem();
+	}
+}
+
+
+
+} // namespace