https://bugzilla.mindrot.org/show_bug.cgi?id=3751
Bug ID: 3751
Summary: ssh fails to parse ProxyCommand option with a string
that ends in a backslash
Product: Portable OpenSSH
Version: 8.7p1
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: ssh
Assignee: unassigned-b...@mindrot.org
Reporter: kaltsi+...@gmail.com
This worked still in 8.6p1, but returns a failure in 8.7p1 and newer.
openssh-8.7p1$ ./ssh -o ProxyCommand="echo 'foo\\'"
command-line line 0: invalid quotes
If I rearrange the quotes, there is no failure:
openssh-8.7p1$ ./ssh -o ProxyCommand='echo "foo\\"'
usage: ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-B bind_interface]
...
If the inner string isn't quoted, no failure:
openssh-8.7p1$ ./ssh -o ProxyCommand="echo foo\\"
usage: ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-B bind_interface]
...
My use case is using 'sshpass' as a ProxyCommand and give it the
password option with a password that ends in a backslash.
ssh -o ProxyCommand="sshpass -p 'password\\' ssh -o
StrictHostKeyChecking=no -W %h:%p -p 22 -l testuser jumphost.invalid"
targethost.invalid
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