Function IsRunningAsAdministrator

libcommonutil/commonutil.cpp:189–227

}

bool IsRunningAsAdministrator(bool *pIsReallyAdmin)
{
	BOOL isAdmin = FALSE;
	HANDLE hToken = NULL;

	if (pIsReallyAdmin)
		*pIsReallyAdmin = false;

	// Open the process token
	if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
	{
		// Create a SID for the Administrators group
		PSID administratorsGroup = NULL;
		SID_IDENTIFIER_AUTHORITY ntAuthority = SECURITY_NT_AUTHORITY;
		if (AllocateAndInitializeSid(&ntAuthority, 2,
			SECURITY_BUILTIN_DOMAIN_RID,
			DOMAIN_ALIAS_RID_ADMINS,
			0, 0, 0, 0, 0, 0,
			&administratorsGroup))
		{
			// Check if the token has the Administrators group SID
			CheckTokenMembership(hToken, administratorsGroup, &isAdmin);
			FreeSid(administratorsGroup);
		}
		CloseHandle(hToken);
	}

	if (isAdmin)
	{
		if (pIsReallyAdmin)
			*pIsReallyAdmin = true;

		return true;
	}
	else
	{
		return IsProcessElevated();
	}
}