On Tue, 2013-10-01 at 13:07 +0000, CHARTIER Valentin wrote:
> Hello all,
> Experimenting http tunneling with org.apache.http.impl.client.ProxyClient
> with Apache 2.2 configured as a direct proxy.
> Code is just the same as org.apache.http.examples.client.ProxyTunnelDemo.java
> :
> ProxyClient proxyClient = new ProxyClient();
> HttpHost target = new HttpHost("mytargetserver ", 443);
> HttpHost proxy = new HttpHost("localhost", 8080);
> UsernamePasswordCredentials credentials = new
> UsernamePasswordCredentials("user", "pwd");
> Socket socket = proxyClient.tunnel(proxy, target, credentials);
>
> Connection attempts are failing with code 502.
>
> The client log :
> [DEBUG] headers - http-outgoing-0 >> CONNECT mytargetserver:443 HTTP/1.1
> [DEBUG] headers - http-outgoing-0 >> Proxy-Connection: Keep-Alive
> [DEBUG] headers - http-outgoing-0 << HTTP/1.1 400 Bad Request
> [DEBUG] headers - http-outgoing-0 << Date: Tue, 01 Oct 2013 12:32:33 GMT
> [DEBUG] headers - http-outgoing-0 << Server: Apache/2.2.25 (Win32)
> [DEBUG] headers - http-outgoing-0 << Content-Length: 226
> [DEBUG] headers - http-outgoing-0 << Connection: close
> [DEBUG] headers - http-outgoing-0 << Content-Type: text/html;
> charset=iso-8859-1
> [DEBUG] DefaultManagedHttpClientConnection - http-outgoing-0: Close connection
>
> The Host header is missing.
>
> Confirmed by the error log on Apache server side :
> Client sent HTTP/1.1 request without host name (see RFC2616 section 14.23)
>
> I could fix this issue by adding a RequestTargetHost processor in
> org.apache.http.impl.client.ProxyClient.java at line 112 :
> this.httpProcessor = new ImmutableHttpProcessor(new
> RequestTargetHost(), new RequestClientConnControl(), new RequestUserAgent());
> instead of just
> this.httpProcessor = new ImmutableHttpProcessor(new
> RequestClientConnControl(), new RequestUserAgent());
>
> I didn't see any way of changing the behavior of ProxyClient from the outside
> so this really looks like a bug to me.
>
> Anybody experimenting the same ?
> Is there a better way of establishing http tunneling with HttpClient 4.3 ?
> Should the issue be reported ?
>
Valentin
Please raise a JIRA for this defect.
Oleg
PS: and please subscribe before posting
> Thanks
> Valentin
>
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