Popn_Tools/popnhax
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fix autopin

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CrazyRedMachine 2024-10-02 21:17:09 +02:00
parent 202811920e
commit 028cc6ad39
1 changed files with 22 additions and 0 deletions
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22
popnhax/dllmain.cc
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@ -5012,6 +5012,7 @@ static bool patch_fps_uncap(uint16_t fps) {
return true; return true;
} }
uint32_t g_autopin_offset = 0;
uint32_t g_pincode; uint32_t g_pincode;
uint32_t g_last_enter_pincode; uint32_t g_last_enter_pincode;
void (*real_pincode)(void); void (*real_pincode)(void);
@ -5039,6 +5040,16 @@ void hook_pincode()
__asm("add esi, 0x30\n"); __asm("add esi, 0x30\n");
__asm("mov [esi], eax\n"); __asm("mov [esi], eax\n");
__asm("sub esi, 0x30\n"); __asm("sub esi, 0x30\n");
__asm("cmp dword ptr [_g_autopin_offset], 0\n");
__asm("je skip_2_crash\n");
__asm("mov eax, dword ptr [_g_autopin_offset]\n");
__asm("add eax, edi\n");
__asm("mov byte ptr [eax], 2\n");
__asm("add eax, 4\n");
__asm("mov byte ptr [eax], 4\n");
__asm("skip_2_crash:\n");
__asm("pop eax\n"); __asm("pop eax\n");
__asm("call_real_pincode_handling:\n"); __asm("call_real_pincode_handling:\n");
real_pincode(); real_pincode();
@ -5067,6 +5078,17 @@ static bool patch_autopin()
memcpy(&g_pincode, line, 4); memcpy(&g_pincode, line, 4);
/* retrieve offset where to put values to prevent a crash */
{
int64_t pattern_offset = _search(data, dllSize, "\x1C\x10\xC7\x87", 4, 0);
if (pattern_offset == -1) {
LOG("WARNING: autopin: cannot find pincode special offset, might crash\n");
}
g_autopin_offset = *(uint32_t *)((int64_t)data + pattern_offset + 4);
}
/* auto enter pincode */
{ {
int64_t pattern_offset = _search(data, dllSize, "\x33\xC4\x89\x44\x24\x14\xA1", 7, 0); int64_t pattern_offset = _search(data, dllSize, "\x33\xC4\x89\x44\x24\x14\xA1", 7, 0);
if (pattern_offset == -1) { if (pattern_offset == -1) {