C / C++ / MFC

%20 

%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

<br />
// pvJpgImage points to a buffer containing the JPEG image<br />
// nJpgImageSize is the size of the buffer<br />
// ulJpgWidth is the width of the JPEG image<br />
// ulJpgHeight is the height of the JPEG image<br />
//<br />
<br />
//<br />
// Check if CHECKJPEGFORMAT is supported (device has JPEG support)<br />
// and use it to verify that device can handle the JPEG image.<br />
//<br />
<br />
ul = CHECKJPEGFORMAT;<br />
<br />
if (<br />
    // Check if CHECKJPEGFORMAT exists:<br />
<br />
    (ExtEscape(hdc, QUERYESCSUPPORT,<br />
               sizeof(ul), &ul, 0, 0) > 0) &&<br />
<br />
    // Check if CHECKJPEGFORMAT executed without error:<br />
<br />
    (ExtEscape(hdc, CHECKJPEGFORMAT,<br />
               pvJpgImage, nJpgImageSize, sizeof(ul), &ul) > 0) &&<br />
<br />
    // Check status code returned by CHECKJPEGFORMAT:<br />
<br />
    (ul == 1)<br />
   )<br />
{<br />
    //<br />
    // Initialize the BITMAPINFO.<br />
    //<br />
<br />
    memset(&bmi, 0, sizeof(bmi));<br />
    bmi.bmiHeader.biSize        = sizeof(BITMAPINFOHEADER);<br />
    bmi.bmiHeader.biWidth       = ulJpgWidth;<br />
    bmi.bmiHeader.biHeight      = -ulJpgHeight; // top-down image<br />
    bmi.bmiHeader.biPlanes      = 1;<br />
    bmi.bmiHeader.biBitCount    = 0;<br />
    bmi.bmiHeader.biCompression = BI_JPEG;<br />
    bmi.bmiHeader.biSizeImage   = nJpgImageSize;<br />
<br />
    //<br />
    // Do the StretchDIBits.<br />
    //<br />
<br />
    iRet = StretchDIBits(hdc,<br />
                         // destination rectangle<br />
                         ulDstX, ulDstY, ulDstWidth, ulDstHeight,<br />
                         // source rectangle<br />
                         0, 0, ulJpgWidth, ulJpgHeight,<br />
                         pvJpgImage,<br />
                         &bmi,<br />
                         DIB_RGB_COLORS,<br />
                         SRCCOPY);<br />
<br />
    if (iRet == GDI_ERROR)<br />
        return FALSE;<br />
}<br />
else<br />
{<br />
    //<br />
    // Decompress image into a DIB and call StretchDIBits <br />
    // with the DIB instead.<br />
    //<br />
}<br />