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CallSetSystemTimeAdjustment.c
42 lines (36 loc) · 1.3 KB
/
CallSetSystemTimeAdjustment.c
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#include "includes.h"
BOOL CallSetSystemTimeAdjustment(DWORD dwTimeAdjustment) {
HANDLE hToken;
BOOL bTimeAdjustmentDisabled = FALSE;
if (dwTimeAdjustment == 0)
bTimeAdjustmentDisabled = TRUE;
// else
// dwTimeAdjustment = atoi(argv[2]); // 100ns
/* Get hToken */
if (!OpenProcessToken(GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
PrintErrorMessage((__FILE__), "OpenProcessToken()", __LINE__);
exit(1);
}
/* enable SE_SYSTEMTIME_NAME Privilege */
if (!SetPrivilege(hToken, SE_SYSTEMTIME_NAME, TRUE)) {
CloseHandle(hToken);
PrintErrorMessage((__FILE__), "SetPrivilege(hToken, SE_SYSTEMTIME_NAME, TRUE)", __LINE__);
exit(1);
}
CloseHandle(hToken);
/* Call SetSystemTimeAdjustment() */
printf("SetSystemTimeAdjustment() Calling...\n");
if (!SetSystemTimeAdjustment(dwTimeAdjustment, bTimeAdjustmentDisabled)) {
if (bTimeAdjustmentDisabled)
PrintErrorMessage((__FILE__), "SetSystemTimeAdjustment(0, TRUE)", __LINE__);
else
PrintErrorMessage((__FILE__), "SetSystemTimeAdjustment(dwTimeAdjustment, FALSE)", __LINE__);
exit(1);
}
else {
printf("dwTimeAdjustment: %ld [100-nanosecond unit]\n", dwTimeAdjustment);
printf("bTimeAdjustmentDisabled : %s \n", bTimeAdjustmentDisabled ? "True (Sync RTC see KB232488)" : "False (Ignore RTC)");
}
return TRUE;
}