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- 2011-12-19
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發表於 2012-12-11 14:55:57
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看了懂了 就修改下列function 即可
- bool EnableMultiMS()
- {
- int handleCount = 1024;
- HMODULE ntdll = GetModuleHandle(L"ntdll");
- if (ntdll == NULL)
- {
- Log(L"Couldn't get ntdll handle\n");
- return false;
- }
- NtQueryObject_t ntQO = (NtQueryObject_t)GetProcAddress(ntdll, "NtQueryObject");
- NtQuerySystemInformation_t ntQSI = (NtQuerySystemInformation_t)GetProcAddress(ntdll, "NtQuerySystemInformation");
- if (ntQO == NULL || ntQSI == NULL)
- {
- Log(L"Couldn't find procedures for MultiMS (%x / %x)\n", ntQO, ntQSI);
- return false;
- }
- struct HandleInfoSet
- {
- unsigned int count;
- SYSTEM_HANDLE_INFORMATION handles[1];
- };
- HandleInfoSet *infoSet = (HandleInfoSet *)malloc(4 + sizeof(SYSTEM_HANDLE_INFORMATION) * handleCount);
- DWORD length;
- NTSTATUS status = ntQSI((SYSTEM_INFORMATION_CLASS)16, infoSet, 4 + sizeof(SYSTEM_HANDLE_INFORMATION) * handleCount, &length);
- Log(L"alloc with %i // %i\n", handleCount, handleCount * sizeof(SYSTEM_HANDLE_INFORMATION) + 4);
- while (status == 0xc0000004 /*STATUS_INFO_LENGTH_MISMATCH*/)
- {
- free(infoSet);
- handleCount *= 2;
- Log(L"alloc with %i // %i\n", handleCount, handleCount * sizeof(SYSTEM_HANDLE_INFORMATION) + 4);
- infoSet = (HandleInfoSet *)malloc(4 + sizeof(SYSTEM_HANDLE_INFORMATION) * handleCount);
- status = ntQSI((SYSTEM_INFORMATION_CLASS)16, infoSet, 4 + sizeof(SYSTEM_HANDLE_INFORMATION) * handleCount, &length);
- }
- if (status != 0 /*STATUS_SUCCESS*/)
- {
- Log(L"Failed to enumerate handles open by this process (errorcode %x)\n", status);
- free(infoSet);
- return false;
- }
- for (unsigned int i = 0; i < infoSet->count; i++)
- {
- wchar_t nameBuffer[1024];
- if (infoSet->handles[i].handle == 0x0012019F) continue; // some buggy thing we need to skip
- status = ntQO((HANDLE)infoSet->handles[i].handle, (OBJECT_INFORMATION_CLASS)1, nameBuffer, 1024, &length);
- if (status != 0 /*STATUS_SUCCESS*/)
- continue;
- if (wcsstr(nameBuffer + 4, L"WvsClientMtx") != NULL)
- {
- HANDLE handle;
- DuplicateHandle(GetCurrentProcess(), (HANDLE)infoSet->handles[i].handle, 0, &handle, 0, FALSE, DUPLICATE_CLOSE_SOURCE);
- CloseHandle(handle);
- Log(L"Mutex closed, MultiMS is ok\n");
- break;
- }
- }
- free(infoSet);
- return true;
- }
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發表於 2012-12-13 22:09:28
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