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Fix bug

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This commit is contained in:
Maurice Heumann 2022-12-03 20:04:48 +01:00
parent e22eccb342
commit 6f9fbb2a7d
1 changed files with 3 additions and 2 deletions
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5
src/client/loader/loader.cpp
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@ -144,6 +144,7 @@ namespace loader
get_optional_header()
->DataDirectory[IMAGE_DIRECTORY_ENTRY_TLS].VirtualAddress);
auto* target_tls_start = PVOID(target_tls->StartAddressOfRawData);
auto* tls_start = PVOID(source_tls->StartAddressOfRawData);
const auto tls_size = source_tls->EndAddressOfRawData - source_tls->StartAddressOfRawData;
const auto tls_index = *reinterpret_cast<DWORD*>(target_tls->AddressOfIndex);
@ -156,11 +157,11 @@ namespace loader
}
DWORD old_protect;
VirtualProtect(tls_start, tls_size, PAGE_READWRITE, &old_protect);
VirtualProtect(target_tls_start, tls_size, PAGE_READWRITE, &old_protect);
auto* const tls_base = *reinterpret_cast<LPVOID*>(__readgsqword(0x58) + 8ull * tls_index);
std::memmove(tls_base, tls_start, tls_size);
std::memmove(PVOID(target_tls->StartAddressOfRawData), tls_start, tls_size);
std::memmove(target_tls_start, tls_start, tls_size);
VirtualProtect(target_tls, sizeof(*target_tls), PAGE_READWRITE, &old_protect);
*target_tls = *source_tls;