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//=============================================================================
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//
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// File : libkvilamerizer.cpp
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// Creation date : Sat Jan 20 2002 17:06:12 CEST by Szymon Stefanek
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//
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// This file is part of the KVirc irc client distribution
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// Copyright (C) 2002-2005 Szymon Stefanek (pragma at kvirc dot net)
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//
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// This program is FREE software. You can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your opinion) any later version.
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//
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// This program is distributed in the HOPE that it will be USEFUL,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, write to the Free Software Foundation,
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// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//=============================================================================
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#include "libkvilamerizer.h"
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#include "kvi_module.h"
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#include "kvi_debug.h"
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#include "kvi_locale.h"
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/*
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@doc: lamerizer
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@type:
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module
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@short:
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The Lamerizer text transformation engine
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@title:
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The lamerizer module
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@body:
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This is an example of what you should NOT do with a text transformation
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engine. Do NOT use it! :D
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*/
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#ifdef COMPILE_CRYPT_SUPPORT
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#include "kvi_memmove.h"
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#include "kvi_malloc.h"
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#include "kvi_pointerlist.h"
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static KviPointerList<KviCryptEngine> * g_pEngineList = 0;
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KviLamerizerEngine::KviLamerizerEngine(bool bLight)
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: KviCryptEngine()
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{
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m_bLight = bLight;
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g_pEngineList->append(this);
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}
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KviLamerizerEngine::~KviLamerizerEngine()
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{
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g_pEngineList->removeRef(this);
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}
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bool KviLamerizerEngine::init(const char *,int,const char *,int)
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{
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return true;
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}
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static char subst_table[256] =
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{
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 007
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 015
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 023
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 031
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 039 : '
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 047 : /
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 055 : 7
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 063 : ?
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0 , '4' , '8' , 'C' , 'D' , '3' , 'F' , 'G' , // 071 : G
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'H' , '|' , 'J' , 'K' , 'L' , 'm' , 'N' , 'O' , // 079 : O
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'P' , 'q' , 'R' , '5' , '7' , 'U' , 'V' , 'W' , // 087 : W
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'x' , 'Y' , '2' , 0 , 0 , 0 , 0 , 0 , // 095 : _
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0 , '4' , 'b' , 'c' , 'd' , '3' , 'f' , '9' , // 103 : g
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'h' , '|' , 'j' , 'k' , '1' , 'm' , 'n' , '0' ,
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'p' , 'q' , 'r' , '5' , '7' , 'u' , 'v' , 'w' , // 119 : w
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'x' , 'y' , '2' , 0 , 0 , 0 , 0 , 0 , // 127 :
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 135 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 143 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 151 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 159 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 167 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 175 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 183 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 191 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 199 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 215 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 223 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 231 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 239 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 247 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
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};
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static char subst_table_light[256] =
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{
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 007
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 015
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 023
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 031
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 039 : '
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 047 : /
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 055 : 7
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 063 : ?
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0 , '4' , 'B' , 'C' , 'D' , '3' , 'F' , 'G' , // 071 : G
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'H' , '|' , 'J' , 'K' , 'L' , 'm' , 'N' , 'O' , // 079 : O
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'P' , 'q' , 'R' , '5' , '7' , 'U' , 'V' , 'W' , // 087 : W
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'x' , 'Y' , 'Z' , 0 , 0 , 0 , 0 , 0 , // 095 : _
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0 , '4' , 'b' , 'c' , 'd' , '3' , 'f' , 'G' , // 103 : g
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'h' , '|' , 'j' , 'k' , '1' , 'm' , 'n' , '0' ,
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'p' , 'q' , 'r' , '5' , '7' , 'u' , 'v' , 'w' , // 119 : w
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'x' , 'y' , 'z' , 0 , 0 , 0 , 0 , 0 , // 127 :
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 135 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 143 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 151 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 159 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 167 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 175 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 183 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 191 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 199 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 215 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 223 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 231 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 239 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , // 247 : <20>
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0 , 0 , 0 , 0 , 0 , 0 , 0 , 0
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};
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KviCryptEngine::EncryptResult KviLamerizerEngine::encrypt(const char * plainText,KviStr &outBuffer)
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{
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outBuffer = plainText;
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unsigned char * aux = (unsigned char *)outBuffer.ptr();
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if(m_bLight)
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{
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while(*aux)
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{
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if(subst_table_light[*aux])
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{
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*aux = subst_table_light[*aux];
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}
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aux++;
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}
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} else {
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while(*aux)
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{
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if(subst_table[*aux])
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{
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*aux = subst_table[*aux];
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}
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aux++;
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}
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}
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if(!m_bLight)
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{
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outBuffer.replaceAll("F","Ph");
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outBuffer.replaceAll("V","\\/");
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}
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return KviCryptEngine::Encoded;
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}
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KviCryptEngine::DecryptResult KviLamerizerEngine::decrypt(const char * inBuffer,KviStr &plainText)
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{
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plainText = inBuffer;
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return KviCryptEngine::DecryptOkWasPlainText;
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}
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static KviCryptEngine * allocLamerizerEngine()
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{
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return new KviLamerizerEngine(false);
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}
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static KviCryptEngine * allocLightLamerizerEngine()
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{
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return new KviLamerizerEngine(true);
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}
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static void deallocLamerizerEngine(KviCryptEngine * e)
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{
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delete e;
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}
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#endif
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// =======================================
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// module routines
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// =======================================
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static bool lamerizer_module_init(KviModule * m)
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{
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#ifdef COMPILE_CRYPT_SUPPORT
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g_pEngineList = new KviPointerList<KviCryptEngine>;
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g_pEngineList->setAutoDelete(false);
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// FIXME: Maybe convert this repeated code to a function eh ?
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KviCryptEngineDescription * d = new KviCryptEngineDescription;
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d->szName = "Lamerizer";
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d->szAuthor = "Szymon Stefanek and Jan Wagner";
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d->szDescription = __tr2qs("A really lame text transformation engine :D");
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d->iFlags = KVI_CRYPTENGINE_CAN_ENCRYPT;
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d->allocFunc = allocLamerizerEngine;
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d->deallocFunc = deallocLamerizerEngine;
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m->registerCryptEngine(d);
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d = new KviCryptEngineDescription;
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d->szName = "LamerizerLight";
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d->szAuthor = "Szymon Stefanek and Jan Wagner";
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d->szDescription = __tr2qs("A really lame text transformation engine: Light Version.");
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d->iFlags = KVI_CRYPTENGINE_CAN_ENCRYPT;
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d->allocFunc = allocLightLamerizerEngine;
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d->deallocFunc = deallocLamerizerEngine;
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m->registerCryptEngine(d);
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return true;
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#else
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return false;
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#endif
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}
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static bool lamerizer_module_cleanup(KviModule *m)
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{
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#ifdef COMPILE_CRYPT_SUPPORT
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while(g_pEngineList->first())delete g_pEngineList->first();
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delete g_pEngineList;
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g_pEngineList = 0;
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m->unregisterCryptEngines();
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return true;
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#else
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return false;
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#endif
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}
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static bool lamerizer_module_can_unload(KviModule *)
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{
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#ifdef COMPILE_CRYPT_SUPPORT
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return g_pEngineList->isEmpty();
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#else
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return true;
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#endif
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}
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// =======================================
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// plugin definition structure
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// =======================================
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KVIRC_MODULE(
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"Lamerizer crypt engine",
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"1.0.1",
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"Szymon Stefanek <pragma at kvirc dot net> \n Jan Wagner <istari@kvirc.net>" ,
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"Exports the lamerizer text transformation engine",
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lamerizer_module_init ,
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lamerizer_module_can_unload,
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0,
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lamerizer_module_cleanup
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)
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#ifdef COMPILE_CRYPT_SUPPORT
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#include "libkvilamerizer.moc"
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#endif
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