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Fixed crashes on the latest ReHLDS (#4)

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Fixes #1 by updating the memory pattern for `gMsgBuffer` and `gMsgType` variables.
This commit is contained in:
Artem Golubikhin 2022-02-06 05:11:03 -08:00 committed by GitHub
parent 83fc271222
commit baf100c59d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
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6
Main.cpp
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@ -355,7 +355,7 @@ void Init() {
}
if (isReHLDS) {
uintptr_t addr = FindMemoryByPattern(g_engfuncs.pfnMessageEnd, "F6 05 ?? ?? ?? ?? 02 0F 85 ?? ?? ?? ?? 8B ?? ?? ?? ?? ?? 83 ?? 3A");
uintptr_t addr = FindMemoryByPattern(g_engfuncs.pfnMessageEnd, "F6 05 ?? ?? ?? ?? 02 0F 85 ?? ?? ?? ?? 8B ?? ?? ?? ?? ?? 83");
g_msgBuffer = decltype(g_msgBuffer)(*(uintptr_t *)(addr + 2) - offsetof(remove_pointer_t<decltype(g_msgBuffer)>, flags));
g_msgType = *(int **)(addr + 15);
} else {
@ -381,7 +381,7 @@ void Init() {
if (g_msgBuffer != nullptr) {
g_msgType = (decltype(g_msgType))dlsym(handle, "gMsgType");
} else {
uintptr_t addr = FindMemoryByPattern(g_engfuncs.pfnMessageEnd, "F6 05 ?? ?? ?? ?? 02 0F 85 ?? ?? ?? ?? 8B ?? ?? ?? ?? ?? 83 ?? 3A");
uintptr_t addr = FindMemoryByPattern(g_engfuncs.pfnMessageEnd, "F6 05 ?? ?? ?? ?? 02 0F 85 ?? ?? ?? ?? 8B ?? ?? ?? ?? ?? 83");
g_msgBuffer = decltype(g_msgBuffer)(*(uintptr_t *)(addr + 2) - offsetof(remove_pointer_t<decltype(g_msgBuffer)>, flags));
g_msgType = *(int **)(addr + 15);
}
@ -1050,4 +1050,4 @@ void PF_MessageEnd_I() {
memcpy((void*)g_engfuncs.pfnMessageEnd, g_patchedBytes, 5);
mprotect((void*)(addr/PAGESIZE*PAGESIZE), 5 + addr%PAGESIZE, PROT_EXEC | PROT_READ);
#endif
}
}