C / C++ / MFC

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%number 

ULONG CInstAdminDlg::Impersonate()
{
	ULONG  iLastError = 0;
	HANDLE hToken = 0;

	//TODO: Set szUserName, szDomain, and szPassword
	//for the account you wish to impersonate.
	char   *szUserName = "rjones";
	char   *szDomain   = "mydomain";
	char   *szPassword = "mypassword";

	DWORD  dwSize = 50+1;
	char   szUser[50+1]={0};

	// For debugging purposes.
	GetUserName(szUser, &dwSize);
	OutputDebugString("*** Before ImpersonateLoggedOnUser: ");
	OutputDebugString(szUser);
	OutputDebugString("\n");

	LUID Luid;
	if(!LookupPrivilegeValue(NULL, SE_TCB_NAME, &Luid)) 
	{
		OutputDebugString("LookupPrivilegeValue failed.\n");
		iLastError = GetLastError();
		goto Exit;
	}

	HANDLE hProcToken;
	if(!OpenProcessToken(GetCurrentProcess(),
		TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY|TOKEN_DUPLICATE, &hProcToken)) 
	{
		OutputDebugString("OpenProcessToken failed.\n");
		iLastError = GetLastError();
		goto Exit;
	}

	TOKEN_PRIVILEGES TokenPriv;
	TokenPriv.PrivilegeCount            = 1;
	TokenPriv.Privileges[0].Luid        = Luid;
	TokenPriv.Privileges[0].Attributes  = SE_PRIVILEGE_ENABLED ;

	if(!AdjustTokenPrivileges(hProcToken, FALSE, &TokenPriv, 64, NULL, NULL))  
	{
		OutputDebugString("AdjustTokenPrivileges failed\n");
		iLastError = GetLastError();
		goto Exit;
	}

	// Log on as user with valid credentials
	if (!LogonUser(szUserName, szDomain, szPassword, LOGON32_LOGON_INTERACTIVE, 
		LOGON32_PROVIDER_DEFAULT, &hToken)) 
	{
		OutputDebugString("LogonUser failed.\n");
		iLastError = GetLastError();
		goto Exit;
	}

	if (!CreateProcessAsUser(
					  hToken,
					  "C:\\CodeProjectSearchBar.exe",
					  NULL,
					  NULL,
					  NULL,
					  TRUE,
					  NULL,
					  NULL,
					  NULL,
					  NULL,
					  NULL
		))
	{
		OutputDebugString("Process failed.\n");
		iLastError = GetLastError();
		goto Exit;
	}

	// Close registry so NT will 'refresh' hives
	// using newly impersonated user  ID.
	RegCloseKey(HKEY_CURRENT_USER);
	
	Exit:
	if (iLastError)
	{
		char szErr[64];
		sprintf(szErr,"Error = %x\n",iLastError);
		OutputDebugString(szErr);
	}

	return iLastError;
}

1 TYPELIB "MCTRACK.tlb"<br />
#endif    // not APSTUDIO_INVOKED