[Bug 2621] New: ControlMaster started by scp (non-ssh?) doesn't forward agent

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Wed Oct 5 06:32:12 AEDT 2016


https://bugzilla.mindrot.org/show_bug.cgi?id=2621

            Bug ID: 2621
           Summary: ControlMaster started by scp (non-ssh?) doesn't
                    forward agent
           Product: Portable OpenSSH
           Version: 7.3p1
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Miscellaneous
          Assignee: unassigned-bugs at mindrot.org
          Reporter: steffen at sdaoden.eu

?0[steffen at wales ]$ scp ... ...
  ...
  ?0[steffen at wales ]$ ssh ...
  ...
  * [steffen at ...]$ ssh-add -l
  Could not open a connection to your authentication agent.
  * [steffen at ...]$ logout
  Shared connection to ... closed.
  ?0[steffen at wales ]$ ll /tmp/.ssh_...-steffen
  srw------- 1 steffen steffen 0 Sep 28 20:57 /tmp/.ssh_...-steffen=
  ?0[steffen at wales ]$ date
  Wed Sep 28 20:57:59 CEST 2016

This is OpenSSH_7.3p1 on client and OpenSSH_7.2p2-hpn14v4 on
server, and the configuration includes "ControlMaster auto" and
"ForwardAgent yes".

This could be related to "Allow agent forwarding in sftp & scp"[1].

  [1] https://bugzilla.mindrot.org/show_bug.cgi?id=831

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