void AddDetourf(DWORD address, ...)
{
va_list marker;
int i=0;
va_start(marker, address);
DWORD Parameters[3];
DWORD nParameters=0;
while (i!=-1)
{
if (nParameters<3)
{
Parameters[nParameters]=i;
nParameters++;
}
i = va_arg(marker,int);
}
va_end(marker);
if (nParameters==3)
{
AddDetour(address,(PBYTE)Parameters[1],(PBYTE)Parameters[2],20);
}
else
{
DebugSpew("Illegal AddDetourf call");
}
}
void AddDetourf(DWORD address, ...)
{
va_list marker;
int i = 0;
va_start(marker, address);
DWORD Parameters[4] = { 0 };
DWORD nParameters = 0;
while (i != -1)
{
if (nParameters<4)
{
Parameters[nParameters] = i;
nParameters++;
} else {
//we can break out now...
break;
}
i = va_arg(marker, int);
}
va_end(marker);
if (nParameters == 4)
{
AddDetour(address, (PBYTE)Parameters[1], (PBYTE)Parameters[2], 20,(PCHAR)Parameters[3]);
}
else
{
DebugSpew("Illegal AddDetourf call");
}
}
VOID HookInlineChecks(BOOL Patch)
{
int i;
DWORD oldperm, tmp, NewData;
int cmps[] = { __AC1 + 6 };
int cmps2[] = { __AC2,
__AC3,
__AC4,
__AC5,
__AC6,
__AC7 };
int len2[] = { 6, 6, 6, 6, 6, 6 };
char NewData2[20];
static char OldData2[sizeof(cmps2)/sizeof(cmps2[0])][20];
if (Patch)
{
NewData = 0x7fffffff;
for (i=0;i<sizeof(cmps)/sizeof(cmps[0]);i++) {
#ifdef ISXEQ
EzModify(cmps[i],&NewData,4);
#else
AddDetour(cmps[i], NULL, NULL, 4);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps[i], 4, PAGE_EXECUTE_READWRITE, &oldperm);
WriteProcessMemory(GetCurrentProcess(), (LPVOID)cmps[i], (LPVOID)&NewData, 4, NULL);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps[i], 4, oldperm, &tmp);
#endif
}
memset(NewData2, 0x90, 20);
for (i=0;i<sizeof(cmps2)/sizeof(cmps2[0]);i++) {
#ifdef ISXEQ
EzModify(cmps2[i],NewData2,len2[i]);
#else
AddDetour(cmps2[i], NULL, NULL, len2[i]);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps2[i], len2[i], PAGE_EXECUTE_READWRITE, &oldperm);
memcpy((void *)OldData2[i], (void *)cmps2[i], len2[i]);
WriteProcessMemory(GetCurrentProcess(), (LPVOID)cmps2[i], (LPVOID)NewData2, len2[i], NULL);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps2[i], len2[i], oldperm, &tmp);
#endif
}
}
else
{
NewData = __AC1_Data;
for (i=0;i<sizeof(cmps)/sizeof(cmps[0]);i++) {
#ifdef ISXEQ
EzUnModify(cmps[i]);
#else
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps[i], 4, PAGE_EXECUTE_READWRITE, &oldperm);
WriteProcessMemory(GetCurrentProcess(), (LPVOID)cmps[i], (LPVOID)&NewData, 4, NULL);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps[i], 4, oldperm, &tmp);
RemoveDetour(cmps[i]);
#endif
}
for (i=0;i<sizeof(cmps2)/sizeof(cmps2[0]);i++) {
#ifdef ISXEQ
EzUnModify(cmps2[i]);
#else
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps2[i], len2[i], PAGE_EXECUTE_READWRITE, &oldperm);
WriteProcessMemory(GetCurrentProcess(), (LPVOID)cmps2[i], (LPVOID)OldData2[i], len2[i], NULL);
VirtualProtectEx(GetCurrentProcess(), (LPVOID)cmps2[i], len2[i], oldperm, &tmp);
RemoveDetour(cmps2[i]);
#endif
}
}
}
