Tja her er coden på en helper jeg har stykket sammen...
Se om du kan bruge det...
==
namespace Library
{
///
///
http://objectmix.com/csharp/213292-accessing-unc-file-share-credentials.html public class CredentialsHelper
{
[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool LogonUser(string lpszUsername, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
private unsafe static extern int FormatMessage(int dwFlags, ref IntPtr lpSource, int dwMessageId, int dwLanguageId, ref String lpBuffer, int nSize, IntPtr* arguments);
[DllImport("kernel32.dll", CharSet = CharSet.Auto,
SetLastError = true)]
private static extern bool CloseHandle(IntPtr handle);
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public extern static bool DuplicateToken(IntPtr existingTokenHandle, int SECURITY_IMPERSONATION_LEVEL, ref IntPtr duplicateTokenHandle);
// logon types
const int LOGON32_LOGON_INTERACTIVE = 2;
const int LOGON32_LOGON_NETWORK = 3;
const int LOGON32_LOGON_NEW_CREDENTIALS = 9;
// logon providers
const int LOGON32_PROVIDER_DEFAULT = 0;
const int LOGON32_PROVIDER_WINNT50 = 3;
const int LOGON32_PROVIDER_WINNT40 = 2;
const int LOGON32_PROVIDER_WINNT35 = 1;
public FileInfo[] GetFiles(string userName, string domain, string password, string uncPath)
{
FileInfo[] files = null;
IntPtr token = IntPtr.Zero;
IntPtr dupToken = IntPtr.Zero;
bool isSuccess = LogonUser(userName, domain, password,LOGON32_LOGON_NEW_CREDENTIALS, LOGON32_PROVIDER_DEFAULT, ref token);
if (!isSuccess)
{
RaiseLastError();
}
isSuccess = DuplicateToken(token, 2, ref dupToken);
if (!isSuccess)
{
RaiseLastError();
}
/***/
WindowsIdentity newIdentity = new WindowsIdentity(dupToken);
using (newIdentity.Impersonate())
{
//DirectoryInfo dirInfo = new DirectoryInfo(@"\\server\share");
DirectoryInfo dirInfo = new DirectoryInfo(uncPath);
files = dirInfo.GetFiles();
/* foreach (FileInfo inf in files)
{
Console.WriteLine("=> {0}", inf.FullName );
} */
}
isSuccess = CloseHandle(token);
if (!isSuccess)
{
RaiseLastError();
}
return files;
}
// GetErrorMessage formats and returns an error message
// corresponding to the input errorCode.
public unsafe static string GetErrorMessage(int errorCode)
{
int FORMAT_MESSAGE_ALLOCATE_BUFFER =
0x00000100;
int FORMAT_MESSAGE_IGNORE_INSERTS =
0x00000200;
int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
int messageSize = 255;
string lpMsgBuf = "";
int dwFlags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
IntPtr ptrlpSource = IntPtr.Zero;
IntPtr ptrArguments = IntPtr.Zero;
int retVal = FormatMessage(dwFlags, ref ptrlpSource, errorCode, 0, ref lpMsgBuf, messageSize, &ptrArguments);
if (retVal == 0)
{
throw new ApplicationException(
string.Format("Failed to format message for error code '{0}'.", errorCode));
}
return lpMsgBuf;
}
private static void RaiseLastError()
{
int errorCode = Marshal.GetLastWin32Error();
string errorMessage = GetErrorMessage(
errorCode);
throw new ApplicationException(errorMessage
);
}
}
}
==
