added rot13 crypto module by aeriana with small modifications: closes #276

fixed a bug in the lamerizer module cmakelists.txt file

git-svn-id: https://svn.kvirc.de/svn/trunk/kvirc@3077 17fca916-40b9-46aa-a4ea-0a15b648b75c

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