mirror of https://github.com/vxunderground/VX-API
40 lines
971 B
C++
40 lines
971 B
C++
#include "Win32Helper.h"
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BOOL SnapshotInsertHardwareBreakpointHookIntoTargetThread(_In_ PUINT_VAR_T Address, _In_ DWORD Position, _In_ BOOL Init, _In_ DWORD Tid)
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{
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HANDLE hHandle = INVALID_HANDLE_VALUE;
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BOOL bFlag = FALSE;
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THREADENTRY32 Entry = { 0 };
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Entry.dwSize = sizeof(THREADENTRY32);
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hHandle = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
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if (hHandle == INVALID_HANDLE_VALUE)
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Sleep(1);
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if (!Thread32Next(hHandle, &Entry))
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goto EXIT_ROUTINE;
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do {
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if ((Entry.dwSize >= FIELD_OFFSET(THREADENTRY32, th32OwnerProcessID) + sizeof(Entry.th32OwnerProcessID)) && Entry.th32OwnerProcessID == GetCurrentProcessIdFromTeb())
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{
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if (Tid != 0 && Tid != Entry.th32ThreadID)
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continue;
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if (!SetHardwareBreakpoint(Entry.th32ThreadID, Address, Position, Init))
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goto EXIT_ROUTINE;
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}
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Entry.dwSize = sizeof(Entry);
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} while (Thread32Next(hHandle, &Entry));
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bFlag = TRUE;
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EXIT_ROUTINE:
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if (hHandle)
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CloseHandle(hHandle);
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return bFlag;
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} |