Hello! ludo@gnu.org (Ludovic Courtès) writes: [...] > This looks good, and indeed it’s an unintended consequence of commit > cc1dfc202f2fefb6c2eb9467d1fc90a9154550c9. > > However, the log of commit cc1dfc had this: > > Failing to do that, "%p" would be "0" when using "ProxyCommand" > in ~/.ssh/config. Yeah, I had seen this message, but was doubting if it was still valid. Helas, it seems so: Given the ~/.ssh/config snippet (and configured machines): --8<---------------cut here---------------start------------->8--- Host vm-host HostName 10.5.5.5 User someuser Host some-guest IdentityFile ~/.ssh/vm-host/id_rsa HostName some-guest User guest ProxyCommand ssh vm-host nc %h %p --8<---------------cut here---------------end--------------->8--- --8<---------------cut here---------------start------------->8--- scheme@(guile-user)> ,use (ssh session) scheme@(guile-user)> (make-session #:host "some-guest") $1 = #@some-guest:22 (disconnected) 11dffe0> scheme@(guile-user)> (session-get $1 'host) $2 = "some-guest" scheme@(guile-user)> (session-get $1 'port) $3 = 22 scheme@(guile-user)> (session-parse-config! $1 "~/.ssh/config") $4 = # scheme@(guile-user)> (session-get $1 'port) $5 = 22 scheme@(guile-user)> (connect! $1) $6 = error scheme@(guile-user)> (make-session #:host "some-guest" #:port 22) $7 = #@some-guest:22 (disconnected) 11dffc0> scheme@(guile-user)> (session-parse-config! $7 "~/.ssh/config") $8 = # scheme@(guile-user)> (session-get $7 'port) $9 = 22 scheme@(guile-user)> (connect! $7) $10 = ok --8<---------------cut here---------------end--------------->8--- > This is arguably a defect in either Guile-SSH or (more likely) libssh, > and it would be nice to report it. > > Would you like to report it upstream? It has to be in libssh. I'll try to come up with a repro in C, and submit the issue to them. When it's done, I'll add a note in the code. To be continued... Thanks for looking :) Maxim