[Mono-bugs] [Bug 585455] New: HttpListener does not handle authentication completely

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Thu Mar 4 08:41:06 EST 2010



           Summary: HttpListener does not handle authentication completely
    Classification: Mono
           Product: Mono: Class Libraries
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: System
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: aenomoto at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Created an attachment (id=346551)
 --> (http://bugzilla.novell.com/attachment.cgi?id=346551)
fix candidate patch

I have been investigating on why HttpListener Basic authentication does not
work (as well as others) well, and noticed that it has some misbehavior on
Begin/EndGetContext() handling.

// ---- repro listener code ----
using System;
using System.Net;
using System.IO;

public class Test
        public static void Main ()
                var l = new HttpListener ();
                l.AuthenticationSchemes = AuthenticationSchemes.Basic;
                l.Prefixes.Add ("http://localhost:8080/");
                l.Start ();
                var ir = l.BeginGetContext (null, null);
                Console.WriteLine ("Type [CR] to continue...");
                Console.ReadLine ();
                var ctx = l.EndGetContext (ir);
                Console.WriteLine (ctx.User.Identity);
                var ident = ctx.User.Identity as HttpListenerBasicIdentity;
                Console.WriteLine (ident.Name);
                ctx.Response.Close ();

To test the repro, first compile and start the listener. It will wait for enter

  gmcs listener.cs
  mono listener.exe

And then run wget:

  wget --http-user=user --http-password=right http://localhost:8080/index.html

Enter [CR] on the listener console and it will continue to EndGetContext().

When successfully done, it prints "user".

I have a patch (attached) that makes it work to some extent. Basically it is
wrong to signal the WaitHandle as if it were finished request processing while
it indeed isn't (it's still processing negotiation connection).

It successfully passes basic authentication, but on windows it somehow results
in weird runtime crash (probably invalid access to thread or network


  This application has requested the Runtime to terminate it in an unusual way.
  Please contact the application's support team for more information.

Even after applying my patch it still fails on WCF authentication samples
(olive/samples/wcf/authentication), but it is likely another issue in

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