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From "Goldstein Lyor (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (SSHD-700) SSHD does not suppot agent forwarding for XShell and XAgent
Date Sat, 15 Jul 2017 14:49:00 GMT

     [ https://issues.apache.org/jira/browse/SSHD-700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Work on SSHD-700 started by Goldstein Lyor.
> SSHD does not suppot agent forwarding for XShell and XAgent
> -----------------------------------------------------------
>                 Key: SSHD-700
>                 URL: https://issues.apache.org/jira/browse/SSHD-700
>             Project: MINA SSHD
>          Issue Type: New Feature
>    Affects Versions: 1.2.0
>         Environment: Windows 10 and CentOS 7
> XShell 5.0
>            Reporter: Li Fangning
>            Assignee: Goldstein Lyor
>            Priority: Minor
>         Attachments: block.png, debug.log, environment.png, log1.txt, log2.txt, sshd-core.zip,
SshdTest2.java, SshdTest3.java, stacktrace.png
> I use MINA SSHD for both server side and client side:
> SSH client  --> MINA SSHD Server - MINA SSHD Client --> Target Linux Server
> I use XShell (http://www.netsarang.com/) as SSH client, and use XAgent with XShell for
target server authentication (Public Key Access with Agent Forwarding).
> I have tried PuTTY (with pagent), SecureCRT, and openssh client in linux, they are all
passed. But when I try XShell with XAgent, the agent forwarding phase is failed.
> When I check the debug log and source code of MINA SSHD, I find that SSHD only handle
the "auth-agent-req@openssh.com" request type (in org.apache.sshd.server.channel.ChannelSession#handleInternalRequest),
which is OK for PuTTY, SecureCRT and openssh client. But XShell send a "auth-agent-req" request
(without "@openssh.com"), so SSHD not handle the request.
> I have try to change the source code, add "auth-agent-req" to the "switch-case" in handleInternalRequest,
but the authentication is blocked.
> I have attached my code, please help me solve the problem.
> Thanks a lot.

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