public NtlmAuth()
{
int num = NtlmAuth.AcquireCredentialsHandle(null, "NTLM", 1u, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, ref this._credentialsHandle, ref this._timestamp);
if (num != 0)
{
throw new InvalidOperationException();
}
this._credentialsHandleAcquired = true;
}
private void FreeUnmanagedResources()
{
if (this._securityContextAcquired)
{
NtlmAuth.DeleteSecurityContext(ref this._securityContext);
}
if (this._credentialsHandleAcquired)
{
NtlmAuth.FreeCredentialsHandle(ref this._credentialsHandle);
}
}
private bool TryNtlmAuthenticate()
{
try
{
using (NtlmAuth ntlmAuth = new NtlmAuth())
{
while (true)
{
string text = null;
string text2 = this._knownRequestHeaders[24];
if (text2 != null && text2.StartsWith("NTLM ", StringComparison.Ordinal))
{
text = text2.Substring(5);
}
if (text != null)
{
if (!ntlmAuth.Authenticate(text))
{
break;
}
if (ntlmAuth.Completed)
{
goto IL_9A;
}
text2 = "WWW-Authenticate: NTLM " + ntlmAuth.Blob + "\r\n";
}
else
{
text2 = "WWW-Authenticate: NTLM\r\n";
}
this.SkipAllPostedContent();
this._connection.WriteErrorWithExtraHeadersAndKeepAlive(401, text2);
if (!this.TryParseRequest())
{
goto Block_8;
}
}
this._connection.WriteErrorAndClose(403);
bool result = false;
return(result);
Block_8:
result = false;
return(result);
IL_9A:
if (this._host.GetProcessSID() != ntlmAuth.SID)
{
this._connection.WriteErrorAndClose(403);
result = false;
return(result);
}
}
}
catch
{
try
{
this._connection.WriteErrorAndClose(500);
}
catch
{
}
bool result = false;
return(result);
}
return(true);
}
