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visualboyadvance-m
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more removal of protection, 

MFC may not compile at all at this point.

git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@862 a31d4220-a93d-0410-bf67-fe4944624d44
This commit is contained in:
squall-leonhart 2009-03-23 14:34:29 +00:00
parent 3189764717
commit b0682b232e
2 changed files with 11 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
src/win32/VBA.cpp
View File

@ -454,87 +454,15 @@ static int parseCommandLine(char *cmdline, char **argv)
return(argc);
}
static VOID WINAPI srandWrap(UINT n)
{
srand(n);
}
static unsigned char kernel_encoded[] = { 0x14, 0xef, 0xe1, 0xe3, 0x18, 0x1c, 0xd1, 0x1f, 0xdd, 0x21, 0x25, 0x21, 0x00 };
static unsigned char getname_encoded[] = { 0xc8, 0x33, 0x3f, 0xdc, 0xdd, 0x21, 0x2a, 0x2e, 0xd5, 0x0f, 0x08, 0x0c, 0xf7, 0x15, 0xea, 0xe9, 0x12, 0xcd, 0x00 };
static unsigned char exit_encoded[] = { 0xca, 0xd2, 0xd5, 0xd9, 0x29, 0x27, 0x26, 0xdb, 0x20, 0x2d, 0x20, 0x00 };
static lpExitProcess protectHelp[2] = { (lpExitProcess)srandWrap, (lpExitProcess)0 };
typedef HMODULE (WINAPI* lpLoadLibrary)(LPCTSTR);
typedef FARPROC (WINAPI* lpGetProcAddress)(HMODULE, LPCSTR);
typedef int (*lpExecutableValid)(const char *);
typedef char *(*lpUnprotectBuffer)(unsigned char *, size_t);
#pragma optimize("", off)
SET_FN_PTR(LoadLibrary, 0x01301400);
SET_FN_PTR(GetProcAddress, 0x01301500);
SET_FN_PTR(ExecutableValid, 0x01301600);
SET_FN_PTR(unprotect_buffer, 0x01301700);
int VBA::doProtection()
{
char szEXEFileName[260];
*szEXEFileName = 0;
HMODULE hM_kernel32 = ((lpLoadLibrary)GET_FN_PTR(LoadLibrary))(unprotect_buffer(kernel_encoded, sizeof(kernel_encoded)));
if (hM_kernel32)
{
pGetModuleFileNameA = (lpGetModuleFileNameA)((lpGetProcAddress)GET_FN_PTR(GetProcAddress))(hM_kernel32, ((lpUnprotectBuffer)GET_FN_PTR(unprotect_buffer))(getname_encoded, sizeof(getname_encoded)));
if (pGetModuleFileNameA)
{
pGetModuleFileNameA(GetModuleHandle(0), szEXEFileName, sizeof(szEXEFileName));
}
pExitProcess = (lpExitProcess)((lpGetProcAddress)GET_FN_PTR(GetProcAddress))(hM_kernel32, ((lpUnprotectBuffer)GET_FN_PTR(unprotect_buffer))(exit_encoded, sizeof(exit_encoded)));
protectHelp[1] = pExitProcess;
return(((lpExecutableValid)GET_FN_PTR(ExecutableValid))(szEXEFileName));
}
return(-3);
}
static BOOL doStuffGood(VBA *vba, register int num)
{
protectHelp[vba->securityCheck2]((UINT)time(0));
num ^= 1;
return((BOOL)num);
}
static BOOL doStuffBad(VBA *vba, register int num)
{
num |= 1;
vba->pExitProcess(num);
return(doStuffGood(vba, num&1));
}
#pragma optimize("", on)
typedef bool (VBA::*trapPointer)(bool);
static trapPointer trapPointers[6];
static trapPointer *mainTrapPointer = trapPointers;
static trapPointer secondaryTrapPointer = &VBA::trap;
bool VBA::trap(bool value)
{
pExitProcess(value);
return(false);
}
BOOL VBA::InitInstance()
{
BOOL (*pointFamily[])(VBA *, int) = { doStuffGood, doStuffBad, doStuffBad, doStuffBad, doStuffBad, doStuffBad, doStuffBad, doStuffBad };
trapPointers[0] = trapPointers[1] = trapPointers[3] = trapPointers[4] = secondaryTrapPointer;
trapPointers[2] = &VBA::updateRenderMethod;
trapPointers[5] = &VBA::updateRenderMethod0;
securityCheck = doProtection();
securityCheck2 = ((double)securityCheck < -0.987) ? 1 : securityCheck;
mainTrapPointer = &trapPointers[(securityCheck2+1)<<1];
secondaryTrapPointer = trapPointers[(((double)securityCheck > 0.4357) || ((double)securityCheck < -0.9123)) ? 2 : 5];
#if _MSC_VER < 1400
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
#endif
SetRegistryKey(_T("VBA"));
@ -566,11 +494,6 @@ BOOL VBA::InitInstance()
loadSettings();
//Putting some stuff here too
if ((double)securityCheck2 > 0.0123) { trapPointers[5] = trapPointers[2]; }
if ((double)securityCheck2 > 0.101234) { *pointFamily = doStuffBad; }
if(!openLinkLog())
return FALSE;
@ -623,7 +546,7 @@ BOOL VBA::InitInstance()
free(argv);
}
return(pointFamily[securityCheck&7](this, securityCheck));
return TRUE;
}
void VBA::adjustDestRect()
@ -1577,6 +1500,8 @@ void VBA::loadSettings()
else
gbSerialFunction = NULL;
pauseWhenInactive = regQueryDwordValue("pauseWhenInactive", 1) ?
true : false;
captureFormat = regQueryDwordValue("captureFormat", 0);
removeIntros = regQueryDwordValue("removeIntros", false) ? true : false;
@ -1986,12 +1911,7 @@ void VBA::updateWindowSize(int value)
bool VBA::initDisplay()
{
if (securityCheck != -3)
{
protectHelp[securityCheck2](0);
return (this->**mainTrapPointer)(false);
}
return(false);
return updateRenderMethod(false);
}

1
src/win32/VBA.h
View File

@ -264,7 +264,6 @@ class VBA : public CWinApp
private:
unsigned int detectCpuCores();
int doProtection();
};
extern VBA theApp;