[Bug 2480] New: Support a list of sockets on SSH_AUTH_SOCK

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Tue Oct 13 22:19:21 AEDT 2015


            Bug ID: 2480
           Summary: Support a list of sockets on SSH_AUTH_SOCK
           Product: Portable OpenSSH
           Version: 7.1p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh-agent
          Assignee: unassigned-bugs at mindrot.org
          Reporter: fabiano at fidencio.org

Created attachment 2727
  --> https://bugzilla.mindrot.org/attachment.cgi?id=2727&action=edit
Support a list of sockets on SSH_AUTH_SOCK

The idea behind this change is to add support for different
being able to run at the same time. It does not change the current
behavior of the ssh-agent (which will set SSH_AUTH_SOCK just for
itself). Neither does it change the behavior of SSH_AGENT_PID (which
still supports only one pid).
The new implementation will go through the list of sockets (which are
separated by a colon (:)), and will return the very first functional
one. An example of the new supported syntax is:

The idea has been discussed a little in these e-mail threads:
(the same patch is attached to the bug)

In the second mail thread, there is a suggestion about adding a new
environment variable (SSH_AUTH_SOCK_FALLBACKS) that also looks like a
valid approach. Please, let me know your preferences and I can come up
with whatever is better for openssh community.

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