Am 07.01.22 um 23:35 schrieb Robert Nichols:
When I first ssh to a system, I am asked for the password to unlock
the private key file. Thereafter, that key file remains unlocked, and
subsequent ssh sessions will not prompt for a password. I can always
re-lock the key file by running "ssh-add -D". In a script I have that
runs sshfs to mount a remote directory, I want to re-lock that key
file _unless_ it was already unlocked, i.e., if I sshfs asks for a
password, I want to re-lock the key file immediately after the command
is run.
How can I determine ahead of time whether the key file is already
unlocked? In the past (Centos 6) I could examine the output from
"ssh-add -l" determine that. Now, "ssh-add -l" just shows the public
key whether of not the private key has been unlocked. There is also no
apparent way to see whether or not sshfs asked for a password.
Suggestions?
Look at ssh-add -T <pubkey-file>. This will test if the private key for
the given public key is available through the agent.
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