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Diffstat (limited to 'src/modules/rot13/libkvirot13.cpp')
| -rw-r--r-- | src/modules/rot13/libkvirot13.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/modules/rot13/libkvirot13.cpp b/src/modules/rot13/libkvirot13.cpp new file mode 100644 index 000000000..59ef0145e --- /dev/null +++ b/src/modules/rot13/libkvirot13.cpp @@ -0,0 +1,176 @@ +//============================================================================= +// +// File : libkvirot13.cpp +// Creation date : Fri Jan 30 2002 09:25:15 GMT by Aeriana +// +// This file is part of the KVirc irc client distribution +// Copyright (C) 2009 Aeriana (aeriana at quasarnet dot org) +// Copyright (C) 2002-2009 Szymon Stefanek (pragma at kvirc dot net) +// +// This program is FREE software. You can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your opinion) any later version. +// +// This program is distributed in the HOPE that it will be USEFUL, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +// See the GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, write to the Free Software Foundation, +// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +//============================================================================= + +#include "libkvirot13.h" + +#include "kvi_module.h" +#include "kvi_debug.h" +#include "kvi_locale.h" + + + +/* + @doc: rot13 + @type: + module + @short: + The ROT13 text transformation engine + @title: + The ROT13 module + @body: + Performs the "rotate by 13 places" substitution. +*/ + + + +#ifdef COMPILE_CRYPT_SUPPORT + + #include "kvi_memmove.h" + #include "kvi_malloc.h" + + #include "kvi_pointerlist.h" + + static KviPointerList<KviCryptEngine> * g_pEngineList = 0; + + KviRot13Engine::KviRot13Engine() + : KviCryptEngine() + { + g_pEngineList->append(this); + } + + KviRot13Engine::~KviRot13Engine() + { + g_pEngineList->removeRef(this); + } + + bool KviRot13Engine::init(const char *,int,const char *,int) + { + return true; + } + + KviCryptEngine::EncryptResult KviRot13Engine::encrypt(const char * plainText,KviStr &outBuffer) + { + outBuffer = plainText; + unsigned char * aux = (unsigned char *)outBuffer.ptr(); + while(*aux) + { + if(isalpha(*aux)) + { + char l = toupper(*aux); + if (l >= 'N' && l <= 'Z') + *aux = *aux - 13; + else if (l >= 'A' && l <= 'M') + *aux = *aux + 13; + } + aux++; + } + + return KviCryptEngine::Encoded; + } + + KviCryptEngine::DecryptResult KviRot13Engine::decrypt(const char * inBuffer,KviStr &plainText) + { + plainText = inBuffer; + return KviCryptEngine::DecryptOkWasPlainText; + } + + static KviCryptEngine * allocRot13Engine() + { + return new KviRot13Engine(); + } + + static void deallocRot13Engine(KviCryptEngine * e) + { + delete e; + } + +#endif + + +// ======================================= +// module routines +// ======================================= +static bool rot13_module_init(KviModule * m) +{ +#ifdef COMPILE_CRYPT_SUPPORT + g_pEngineList = new KviPointerList<KviCryptEngine>; + g_pEngineList->setAutoDelete(false); + + KviCryptEngineDescription * d = new KviCryptEngineDescription; + d->szName = "ROT13"; + d->szAuthor = "Aeriana"; + d->szDescription = __tr2qs("The simple Caesar-cypher encryption that replaces each letter with the one 13 places forward or back along the alphabet; it is used to enclose the text in a sealed wrapper that the reader must choose to open - e.g. for posting things that might offend some readers, or spoilers."); + d->iFlags = KVI_CRYPTENGINE_CAN_ENCRYPT; + d->allocFunc = allocRot13Engine; + d->deallocFunc = deallocRot13Engine; + m->registerCryptEngine(d); + + return true; +#else + return false; +#endif +} + +static bool rot13_module_cleanup(KviModule *m) +{ +#ifdef COMPILE_CRYPT_SUPPORT + while(g_pEngineList->first())delete g_pEngineList->first(); + delete g_pEngineList; + g_pEngineList = 0; + m->unregisterCryptEngines(); + return true; +#else + return false; +#endif +} + +static bool rot13_module_can_unload(KviModule *) +{ +#ifdef COMPILE_CRYPT_SUPPORT + return g_pEngineList->isEmpty(); +#else + return true; +#endif +} + +// ======================================= +// plugin definition structure +// ======================================= +KVIRC_MODULE( + "ROT13 crypt engine", + "4.0.0", + "Aeriana <aeriana at quasarnet dot org>" , + "Exports the ROT13 text transformation engine", + rot13_module_init , + rot13_module_can_unload, + 0, + rot13_module_cleanup +) + +#ifdef COMPILE_CRYPT_SUPPORT + #ifndef COMPILE_USE_STANDALONE_MOC_SOURCES + #include "libkvirot13.moc" + #endif //!COMPILE_USE_STANDALONE_MOC_SOURCES +#endif |