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