[Bug 841672] Re: ssh-add does not unlock ssh keys

[C de-Avillez]

I just tested it here -- Oneiric, two terminal windows, one running
RoxTerm, one under byobu.

On the byobu window:

ssh-add -l
(my key was shown)
ssh-add -D
ssh-add -l
(no keys shown)
ssh test.machine.info
(pop up asking for SSH passphrase; entered it, got in session; ended the session)
ssh test.machine.info
(session opened with no pop-ups; ended the session)
ssh-add -D
ssh-add -l
(no keys shown)
ssh-add
ssh-add -l
(my key was shown)
ssh test.machine.info
(session opened with no pop-ups; ended the the session)

Moved over to the stand-alone RoxTerm; then repeated the tests. To my
surprise even *after* adding my SSH key in, when I tried to open the SSH
session to the test machine I was still presented with a pop-up asking
for the passphrase on *first* SSH. Second SSH session, *without* running
'ssh-add -D', opened the session without a pop-up for passphrase.

Another interesting bit: on the RoxTerm stand-alone, 'ssh-add -D' did
*not* clean up the keys in the agent.

Additional findings: SSH-AUTH_SOCK differs on the terminal windows
(byobu and RoxTerm):

* Under RoxTerm:

[cerdea-aws]cerdea at xango3:~$ set | grep SSH
SSH_AGENT_PID=2857
SSH_AUTH_SOCK=/tmp/keyring-6fXAtd/ssh
[cerdea-aws]cerdea at xango3:~$ 


* under byobu:


[cerdea-aws]cerdea at xango3:/build/buildd/ubuntu-qa-tools/vm-tools$ set | grep SSH
SSH_AGENT_PID=2857
SSH_AUTH_SOCK=/home/cerdea/.byobu/.ssh-agent
[cerdea-aws]cerdea at xango3:/build/buildd/ubuntu-qa-tools/vm-tools$ 

Note that the SSH_AGENT_PID is the same.

Also, I dimly remember something about gnome-keyring and ssh-add. Will
try to find out the references.

Setting importance to Medium.

** Changed in: openssh (Ubuntu)
   Importance: Low => Medium

** Summary changed:

- ssh-add does not unlock ssh keys
+ ssh-add does not always unlock ssh keys

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https://bugs.launchpad.net/bugs/841672

Title:
  ssh-add does not always unlock ssh keys

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