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RE: java client and ntlm proxy
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RE: java client and ntlm proxy


  • Subject: RE: java client and ntlm proxy
  • From: "Ruenagel, Frank" <email@hidden>
  • Date: Thu, 17 Mar 2011 10:09:51 +0100
  • Thread-topic: RE: java client and ntlm proxy

Have you checked problems regarding ntlm2? If one of the machines is WIn7 or Win2008  I would double check this....
 
There are often problems with NTLM2  eg. when a WIN7 Client wants to access an older SMB Linux File Server.
 
 
 

Von: webobjects-dev-bounces+webobjects=email@hidden [mailto:webobjects-dev-bounces+webobjects=email@hidden] Im Auftrag von Pierre Gilquin
Bereitgestellt: Dienstag, 15. März 2011 14:41
Bereitgestellt in: WebObjects
Unterhaltung: java client and ntlm proxy
Betreff: Re: java client and ntlm proxy

I try what you said with httpclient, my code looks like :
        proxyclient.getHostConfiguration().setHost("www.yahoo.com");
        // set the proxy host and port
        proxyclient.getHostConfiguration().setProxy("vali.hcuge.ch", 8080);
        // set the proxy credentials, only necessary for authenticating proxies  
        proxyclient.getState().setProxyCredentials(
            AuthScope.ANY,
            new NTCredentials("pegn", "mypassword","localhost","huge"));
 
I used NTCredentials in order to use the domain of my login but now it is complaining with authentication :
 
 
15 mars 2011 12:33:48 org.apache.commons.httpclient.auth.AuthChallengeProcessor selectAuthScheme
INFO: ntlm authentication scheme selected
15 mars 2011 12:33:50 org.apache.commons.httpclient.HttpMethodDirector processProxyAuthChallenge
INFO: Failure authenticating with NTLM <any realm>@vali.hcuge.ch:8080
Connect failed: HTTP/1.1 407 Proxy Authentication Required
 
did I miss something ? it's seems it doenot use my credentials ...
 
Thanks
 
Pierre

----- Original Message -----
From: Aurélien Minet
To: email@hidden ; email@hidden
Sent: Tuesday, March 15, 2011 12:22 AM
Subject: Re: java client and ntlm proxy




On 03/14/2011 09:32 AM, Pierre Gilquin wrote:
> Merci Aurélien.

De rien Pierre

the methode createSocket in the class extending EOHTTPChanel have to return a socket
I think Apache HttpClient would help to create one and handle proxy stuff
see http://svn.apache.org/repos/asf/httpcomponents/oac.hc3x/branches/HTTPCLIENT_3_0_BRANCH/src/examples/ProxyTunnelDemo.java

after Socket socket = response.getSocket();
you may have to add
socket.setTcpNoDelay(true);
socket.setSoTimeout(2147483647);

I also found that in NSSocketUtilities the creation of the socket was done in a internal class SocketThread which
extends Thread

Aurélien

ps: cntlm would be necessary if an NTLM authentication is necessary , if not Java Client only have to connect to the
proxy for accessing the application which behind it.


> I have already try to extend EOHTTPChannel. Until now without success ...
> It's why i try to use cntlm.
>
> My last attempt is to use cntlm tunneling :
>>cntlm.exe -c cntlm.ini -v
> cntlm: New tunnel from 127.0.0.1:11443 to host.domain.tld:80
>
>
> In this case the launch don't use any http.proxy but directly the port 11443 on localhost:
>>java MyClassUsingEOClientApplicationSupport -applicationURL http://localhost:11443/cgi-bin/WebObjects/MyAppli.woa
>
> I dont understand why this is not working ...
>
> Thanks for any idea
>
> Pierre
>
>     ----- Original Message -----
>     From: Aurélien Minet
>     To: email@hidden <mailto:email@hidden> ; WebObjects (Group)
>     Sent: Sunday, March 13, 2011 10:56 PM
>     Subject: Re: java client and ntlm proxy
>
>
>     Hi
>
>     Yes the socket is open directly, in fact stuff behind EOHTTPChannel (createSocket) doesn't take in account http.proxy*
>     args cause finally use java.net.Socket and not java.net.URL, so Java Client can't connect to the application trough any
>     HTTP proxy (NTML or not).
>     A solution could be to override  NSSocketUtilities.getSocketWithTimeout or to extend
>     com.webobjects.eodistribution.client.EOHTTPChannel with a class having a methode createSocket which return a Socket.
>     We have got the same problem for Java Client connecting to the application using an https URL. A colleague make a POC
>     with a class which extends EOHTTPChannel and use javax.net.ssl
>
>     Aurelien
>
>     ps : for command line launching
>     java -classpath "jar list" com.webobjects.eoapplication.client.EOClientApplicationSupport
>     -applicationURL http://host.domain.tld/cgi-bin/WebObjects/App.woa [other arguments]
>     (prefer a .jnlp file for deployment)
>
>
>     On 03/08/2011 09:43 AM, Pierre Gilquin wrote:
>     > Hi David,
>     >
>     > Starting the application with JWS or at command line gives the same result.
>     > I guess that the socket is open directly (port 80) without going thru the proxy and that's why I get a timeout error.
>     >
>     > I dont get your idea, what can you check in the jnlp file ?
>     > Thanks
>     >
>     > Pierre
>     >
>     >
>     >
>     >     ----- Original Message -----
>     >     *From:* David Avendasora <mailto:email@hidden>
>     >     *To:* Pierre Gilquin <mailto:email@hidden>
>     >     *Cc:* email@hidden <mailto:email@hidden>
>     <mailto:email@hidden>
>     >     *Sent:* Monday, March 07, 2011 8:26 PM
>     >     *Subject:* Re: java client and ntlm proxy
>     >
>     >     Hi Pierre,
>     >
>     >     Are you launching the application from a link that downloads a .jnlp file from the server? If so, look at it's
>     >     contents to be sure it is using the ports you think it is.
>     >
>     >     Dave
>     >
>     >
>     >     On Mar 7, 2011, at 11:52 AM, Pierre Gilquin wrote:
>     >
>     >>     Hi all,
>     >>
>     >>     I am trying to use a java client inside a entreprise network using an ntml proxy with authentification for
>     >>     accessing the outside world.
>     >>
>     >>     Seems that java cannot pass that kind of  proxy. At least, I was not able to do it.
>     >>     So I try to use cntlm  http://cntlm.sourceforge.net/  <x-msg://292/> before starting the java client :
>     >>
>     >>     >cntlm.exe -c cntlm.ini -v
>     >>     cntlm: Proxy listening on 127.0.0.1:3128
>     >>     cntlm: Resolving proxy TheBorringProxy ...
>     >>     cntlm: Workstation name used: localhost
>     >>     cntlm: Using following NTLM hashes: NTLMv2(1) NT(0) LM(0)
>     >>     cntlm: PID 980: Cntlm ready, staying in the foreground
>     >>
>     >>     Then I start my java client  :
>     >>     java -Dhttp.proxySet=true -Dhttp.proxyHost=127.0.0.1 -Dhttp.proxyPort=3128 MyClass
>     >>     -applicationURL http://www.externaldomain.com/cgi-bin/WebObjects/MyAppli.woa <x-msg://292/>
>     >>
>     >>     But not better, the java client cannot create the socket :
>     >>     com.webobjects.foundation.NSForwardException for java.io.IOException: Timed out trying to create Socket
>     >>      at com.webobjects.foundation.NSSocketUtilities._getSocketWithTimeout(NSSocketUtilities.java:145)
>     >>      at com.webobjects.foundation.NSSocketUtilities.getSocketWithTimeout(NSSocketUtilities.java:100)
>     >>      at com.webobjects.foundation.NSSocketUtilities.getSocketWithTimeout(NSSocketUtilities.java:58)
>     >>      at com.webobjects.eodistribution.client.EOHTTPChannel.createSocket(EOHTTPChannel.java:401)
>     >>
>     >>     Am I missing something ? May be I am wrong about the way i start my java client ?
>     >>
>     >>     Thanks for any idea.
>     >>
>     >>     Pierre
>     >
>     >
>     >
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