SocketsHttpHandler NTLM doesn't work #25391
Description
Version 2.1.0-preview2-26308-01
Negotiate works, NTLM doesn't. It doesn't even make a second request, it returns the first 401.
Repro:
public static void Main(string[] args)
{
var serverTask = RunServer();
Console.WriteLine("Press any key to send request.");
Console.ReadKey();
var clientTask = RunClient();
Task.WaitAll(serverTask, clientTask);
}
private static async Task RunServer()
{
var listener = new HttpListener();
listener.Prefixes.Add("http://localhost:8080/");
listener.AuthenticationSchemes = System.Net.AuthenticationSchemes.Ntlm;
listener.Start();
var context = await listener.GetContextAsync();
context.Response.Close();
}
private static async Task RunClient()
{
Environment.SetEnvironmentVariable("DOTNET_SYSTEM_NET_HTTP_USESOCKETSHTTPHANDLER", "true");
var handler = new HttpClientHandler();
handler.UseDefaultCredentials = true;
var client = new HttpClient(handler);
var response = await client.GetAsync("http://localhost:8080/");
Console.WriteLine(response);
}
Expected result: 200 OK
Press any key to send request.
StatusCode: 200, ReasonPhrase: 'OK', Version: 1.1, Content: System.Net.Http.NoWriteNoSeekStreamContent, Headers:
{
Date: Fri, 09 Mar 2018 23:49:25 GMT
Transfer-Encoding: chunked
Server: Microsoft-HTTPAPI/2.0
}
Actual: 401 Unauthorized
Press any key to send request.
StatusCode: 401, ReasonPhrase: 'Unauthorized', Version: 1.1, Content: System.Net.Http.HttpConnection+HttpConnectionResponseContent, Headers:
{
Server: Microsoft-HTTPAPI/2.0
WWW-Authenticate: NTLM [Token]
Date: Fri, 09 Mar 2018 23:48:29 GMT
Content-Length: 0
}