[Bug 1764044] Re: ssh-add asks about passphrases for keys already unlocked in the keychain

[Sergio Durigan Junior]

A bit more info because this bug came up again for me.

It was mentioned that this was working OK in Trusty, so I assume that
openssh 6.6 was being used there, and that when the upgrade to openssh
7.x happened this issue started happening.  I agree that the tool itself
could be more helpful in its output, but this deprecation has been
documented in the release notes:

https://wiki.ubuntu.com/XenialXerus/ReleaseNotes/#OpenSSH_7.2p2

I looked at upstream's bugzilla and could not find any bugs requesting a
more verbose output from the tool.  I still believe this bug should be
dealt with by upstream, and we can follow their lead.  Keeping as Low
priority (and I consider that the priority will only get lower, given
that people will forcefully start migrating away from DSA).

BTW, I confirmed that this issue still applies to Jammy.

** Changed in: openssh (Ubuntu)
       Status: New => Triaged

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

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https://bugs.launchpad.net/bugs/1764044

Title:
  ssh-add asks about passphrases for keys already unlocked in the
  keychain

Status in openssh package in Ubuntu:
  Triaged

Bug description:
  In the below example, on the second invocation of ssh-add I should not
  be prompted to enter the passphrase again after I successfully entered
  it on the first instance.  This used to work fine in trusty i386
  setup.

  $ keychain && ssh-add

   * keychain 2.8.2 ~ http://www.funtoo.org
   * Starting ssh-agent...

  Enter passphrase for /home/rolf/.ssh/id_rsa:
  Identity added: /home/rolf/.ssh/id_rsa (/home/rolf/.ssh/id_rsa)
  Enter passphrase for /home/rolf/.ssh/id_dsa:
  Identity added: /home/rolf/.ssh/id_dsa (/home/rolf/.ssh/id_dsa)

  $ keychain && ssh-add

   * keychain 2.8.2 ~ http://www.funtoo.org
   * Found existing ssh-agent: 25744

  Enter passphrase for /home/rolf/.ssh/id_rsa:
  Identity added: /home/rolf/.ssh/id_rsa (/home/rolf/.ssh/id_rsa)
  Enter passphrase for /home/rolf/.ssh/id_dsa:
  Identity added: /home/rolf/.ssh/id_dsa (/home/rolf/.ssh/id_dsa)

  gnome-keyring is running:
  $ ps -ax|grep key
   2067 ?        SLl    0:05 /usr/bin/gnome-keyring-daemon --start --components ssh
   2078 ?        Ssl    0:01 /usr/lib/x86_64-linux-gnu/indicator-keyboard/indicator-keyboard-service --use-gtk
   6987 ?        S      0:00 /usr/bin/ssh-agent -D -a /run/user/1000/keyring/.ssh
  17832 pts/2    S+     0:00 grep --color=auto key

  ssh-agent is running:
  $ ps aux | grep ssh-agent
  leggewie  1928  0.0  0.0  15548   340 ?        Ss   02:38   0:00 /usr/bin/ssh-agent /usr/bin/im-launch env LD_PRELOAD=libgtk3-nocsd.so.0 /usr/lib/gnome-session/run-systemd-session unity-session.target
  leggewie  6987  0.0  0.0  11304  1484 ?        S    02:50   0:00 /usr/bin/ssh-agent -D -a /run/user/1000/keyring/.ssh
  leggewie  9952  0.0  0.0  11304   320 ?        Ss   04:11   0:00 ssh-agent bash
  leggewie 17850  0.0  0.0  14492  1160 pts/2    S+   06:06   0:00 grep --color=auto ssh-agent

  $ env|grep SSH
  SSH_AUTH_SOCK=/tmp/ssh-W6fuGBztRRds/agent.6992
  SSH_AGENT_PID=9952
  SSH_AGENT_LAUNCHER=gnome-keyring

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