Bug#781107: ssh-keygen -F return code has changed and is not documented
Package: openssh-client
Version: 1:6.7p1-3
Severity: normal
Tags: upstream
Hi,
The return codes for ssh-keygen -F are undocumented. In stable's
version (1:6.0p1-4+deb7u2) you get:
mcv21@pick:~$ ssh-keygen -F foo.invalid -f ~/.ssh/known_hosts
mcv21@pick:~$ echo $?
0
But in testing's version, you get:
root@boarstall:~# ssh-keygen -F foo.invalid -f /etc/ssh/ssh_known_hosts
root@boarstall:~# echo $?
1
I can see nothing in upstream changelogs to flag this change, and the
manual for ssh-keygen doesn't state its return codes.
So code relying on the old behaviour (0 return value, no output ==>
host not in known_hosts, otherwise all is well) now fails as
ssh-keygen is returning non-zero.
I think this is a bug, and that the behaviour in this case should be
restored; even if not, the new behaviour should be documented.
Regards,
Matthew
-- System Information:
Debian Release: 7.8
APT prefers stable
APT policy: (990, 'stable'), (500, 'stable-updates'), (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages openssh-client depends on:
ii adduser 3.113+nmu3
ii debconf [debconf-2.0] 1.5.49
ii dpkg 1.16.15
ii libc6 2.13-38+deb7u8
ii libedit2 2.11-20080614-5
ii libgssapi-krb5-2 1.10.1+dfsg-5+deb7u3
ii libselinux1 2.1.9-5
ii libssl1.0.0 1.0.1e-2+deb7u15
ii passwd 1:4.1.5.1-1
ii zlib1g 1:1.2.7.dfsg-13
Versions of packages openssh-client recommends:
ii openssh-blacklist 0.4.1+nmu1
ii openssh-blacklist-extra 0.4.1+nmu1
ii xauth 1:1.0.7-1
Versions of packages openssh-client suggests:
pn keychain <none>
pn libpam-ssh <none>
pn monkeysphere <none>
pn ssh-askpass <none>
-- Configuration Files:
/etc/ssh/ssh_config changed [not included]
-- no debconf information
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