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Merge pull request #1562 from zsilencer/bugfixes 

fix bug in hook which caused it not to work on other OSes
This commit is contained in:
Ted John 2015-07-06 17:04:34 +01:00
parent c366571a99 40a495cabc
commit db4101a91e
1 changed files with 4 additions and 8 deletions
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12
src/hook.c
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@ -139,10 +139,8 @@ void hookfunc(int address, int newaddress, int stacksize, int registerargs[], in
data[i++] = 0xEC;
data[i++] = 4 + (stacksize * 4) + rargssize;
data[i++] = 0xEA; // jmp
*((int *)&data[i]) = newaddress; i += 4;
data[i++] = 0x23;
data[i++] = 0x00;
data[i++] = 0xE9; // jmp
*((int *)&data[i]) = (newaddress - address - i - 4); i += 4;
data[sizeoffset] = i - sizec;
@ -190,10 +188,8 @@ void addhook(int address, int newaddress, int stacksize, int registerargs[], int
unsigned int hookaddress = (unsigned int)g_hooktableaddress + (g_hooktableoffset * 100);
char data[9];
int i = 0;
data[i++] = 0xEA; // jmp
*((int *)&data[i]) = hookaddress; i += 4;
data[i++] = 0x23;
data[i++] = 0x00;
data[i++] = 0xE9; // jmp
*((int *)&data[i]) = hookaddress - address - i - 4; i += 4;
data[i++] = 0xC3; // retn
WriteProcessMemory(GetCurrentProcess(), (LPVOID)address, data, i, 0);
hookfunc(hookaddress, newaddress, stacksize, registerargs, registersreturned);