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preliminary result

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code@koerner-de.net
2012-04-04 19:10:38 +00:00
parent 56844968e4
commit d99107a919
11 changed files with 622 additions and 82 deletions
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uMod_DXMain/uMod_DXMain_dll.cpp
+88 -14
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@@ -97,7 +97,7 @@ void InitInstance(HINSTANCE hModule)
gl_hThisInstance = (HINSTANCE) hModule;
wchar_t game[MAX_PATH];
if (HookThisProgram( game)) //ask if we need to hook this program
if (HookThisProgram( game, MAX_PATH)) //ask if we need to hook this program
{
OpenMessage();
Message("InitInstance: %lu\n", hModule);
@@ -107,6 +107,9 @@ void InitInstance(HINSTANCE hModule)
#ifdef DEF_USE_DX9
InitDX9();
#endif
#ifdef DEF_USE_DX10
InitDX10();
#endif
if (gl_TextureServer->OpenPipe(game)) //open the pipe and send the name+path of this executable
@@ -141,25 +144,47 @@ void ExitInstance()
#ifdef DEF_USE_DX9
ExitDX9();
#endif
#ifdef DEF_USE_DX10
ExitDX10();
#endif
CloseMessage();
}
bool HookThisProgram( wchar_t *ret)
bool HookThisProgram( wchar_t *ret, const int ret_len)
{
wchar_t Executable[MAX_PATH];
wchar_t Game[MAX_PATH];
GetModuleFileNameW( GetModuleHandle( NULL ), Executable, MAX_PATH ); //ask for name and path of this executable
const unsigned int max_len = ret_len < MAX_PATH ? MAX_PATH : ret_len;
wchar_t *Executable = NULL;
wchar_t *Game = NULL;
if (GetMemory( Executable, max_len))
{
ret[0]=0;
return false;
}
if (GetMemory( Game, max_len))
{
delete [] Executable;
ret[0]=0;
return false;
}
GetModuleFileNameW( GetModuleHandle( NULL ), Executable, max_len ); //ask for name and path of this executable
#ifdef HOOK_INJECTION
//we use the gloabal hook
FILE* file;
wchar_t *app_path = _wgetenv( L"APPDATA"); //asc for the user application directory
wchar_t file_name[MAX_PATH];
swprintf_s( file_name, MAX_PATH, L"%ls\\%ls\\%ls", app_path, uMod_APP_DIR, uMod_APP_DX9);
wchar_t *file_name = NULL;
if (GetMemory( file_name, max_len))
{
delete [] Executable;
delete [] Game;
ret[0]=0;
return false;
}
swprintf_s( file_name, max_len, L"%ls\\%ls\\%ls", app_path, uMod_APP_DIR, uMod_APP_DX9);
if (_wfopen_s( &file, file_name, L"rt,ccs=UTF-16LE")) return (false); // open the file in utf-16 LE mode
@@ -170,48 +195,97 @@ bool HookThisProgram( wchar_t *ret)
{
//MessageBoxW( NULL, Game, L"test", 0);
int len = 0;
while (Game[len])
while (len<max_len-1 &&Game[len])
{
if (Game[len]==L'\r' || Game[len]==L'\n') {Game[len]=0; break;} //removing the new line symbols
len++;
}
if ( _wcsicmp( Executable, Game ) == 0 ) //compare both strings
{
for (int i=0; i<len; i++) ret[i] = Game[i];
for (int i=0; i<len && i<ret_len-1; i++) ret[i] = Game[i];
ret[len] = 0;
fclose(file);
delete [] Executable;
delete [] Game;
return (true);
}
}
}
delete [] Executable;
delete [] Game;
fclose(file);
return (false);
#else
// we inject directly
int i=0;
while ( Game[i]) {ret[i]=Game[i]; i++;}
while (i<max_len && i<ret_len-1 && Game[i]) {ret[i]=Game[i]; i++;}
ret[i]=0;
delete [] Executable;
delete [] Game;
return true;
#endif
}
#ifndef NO_INJECTION
/*
void *DetourFunc(BYTE *src, const BYTE *dst, const int len)
{
BYTE *jmp = (BYTE*)malloc(len+5);
DWORD dwback = 0;
VirtualProtect(jmp, len+5, PAGE_EXECUTE_READWRITE, &dwback); //This is the addition needed for Windows 7 RC
DWORD dwback;
VirtualProtect(src, len, PAGE_READWRITE, &dwback);
memcpy(jmp, src, len); jmp += len;
memcpy(jmp, src, len); jmp += len;
jmp[0] = 0xE9;
*(DWORD*)(jmp+1) = (DWORD)(src+len - jmp) - 5;
memset(src, 0x90, len);
src[0] = 0xE9;
*(DWORD*)(src+1) = (DWORD)(dst - src) - 5;
VirtualProtect(src, len, dwback, &dwback);
return (jmp-len);
}
void *DetourFunc(BYTE *src, const BYTE *dst, const int len)
{
BYTE *jmp = (BYTE*)malloc(len+5);
DWORD dwback;
VirtualProtect(src, len, PAGE_READWRITE, &dwback);
memcpy(jmp, src, len); jmp += len;
jmp[0] = 0xE9;
*(DWORD*)(jmp+1) = (DWORD)(src+len - jmp) - 5;
src[0] = 0xE9;
*(DWORD*)(src+1) = (DWORD)(dst - src) - 5;
VirtualProtect(src, len, dwback, &dwback);
return (jmp-len);
}
*/
void *DetourFunc(BYTE *src, const BYTE *dst, const int len)
{
BYTE *jmp = (BYTE*)malloc(len+5);
DWORD dwback = 0;
//VirtualProtect(jmp, len+5, PAGE_EXECUTE_READWRITE, &dwback); //This is the addition needed for Windows 7 RC
VirtualProtect(src, len, PAGE_READWRITE, &dwback);
memcpy(jmp, src, len); jmp += len;
jmp[0] = 0xE9;
*(DWORD*)(jmp+1) = (DWORD)(src+len - jmp) - 5;
//memset(src, 0x90, len);
src[0] = 0xE9;
*(DWORD*)(src+1) = (DWORD)(dst - src) - 5;
VirtualProtect(src, len, dwback, &dwback);
return (jmp-len);
}
/*
bool RetourFunc( BYTE *src, BYTE *restore, const int len )
{
DWORD dwback;
if(!VirtualProtect(src, len, PAGE_READWRITE, &dwback)) { return false; }
if(!memcpy(src, restore, len)) { return false; }
restore[0] = 0xE9;
*(DWORD*)(restore+1) = (DWORD)(src - restore) - 5;
if(!VirtualProtect(src, len, dwback, &dwback)) { return false; }
return true;
}
*/
bool RetourFunc(BYTE *src, BYTE *restore, const int len)
{
DWORD dwback;