Bug 671892

Summary:	AuthorizedKeysCommand doesn't work
Product:	[Fedora] Fedora	Reporter:	Ruben Kerkhof <ruben>
Component:	openssh	Assignee:	Jan F. Chadima <jchadima>
Status:	CLOSED NEXTRELEASE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	rawhide	CC:	jchadima, mgrepl, tmraz
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Fixed In Version:		Doc Type:	Bug Fix
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Last Closed:	2011-03-17 07:50:31 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Ruben Kerkhof 2011-01-22 16:04:44 UTC

sshd fails to lookup authorized keys in ldap

/etc/ssh/sshd_config contains:
AuthorizedKeysCommand "/usr/libexec/openssh/ssh-ldap-helper -s %u"

user_key_via_command_allowed2 does a stat on the AuthorizedKeysCommand, but of course the path 
/usr/libexec/openssh/ssh-ldap-helper -s %u doesn't exist.

An option would be to adjust ssh-ldap-helper to accept the username as the first argument, and make AuthorizedKeysCommand /usr/libexec/openssh/ssh-ldap-helper

Comment 1 Ruben Kerkhof 2011-02-19 11:34:51 UTC

Hi Jan,

This does happen on rawhide as well.

Would you mind taking a look, this is preventing me from upgrading all my machines from F-13 to F-14

Comment 2 Jan F. Chadima 2011-02-25 11:19:14 UTC

please test openssh-5.8p1-10.fc16.1
and modify the configuration according to HOWTO.ldap-keys
and report the result please

Comment 3 Ruben Kerkhof 2011-02-25 15:40:26 UTC

Yes, this works, thanks.

Using a shellscript as a wrapper feels a bit hackish though. I take it you're going to modify ssh-ldap-helper to just accept the user without the -s so the wrapper isn't needed?

Comment 4 Jan F. Chadima 2011-02-28 09:29:38 UTC

the ssh-ldap-helper have another possible parameters. IMHO the wrapper is pretty fine solution.

Comment 5 Ruben Kerkhof 2011-02-28 13:14:40 UTC

Ok, fair enough.

HOWTO.ldap-keys says you have to use:
AuthorizedKeysCommand /usr/libexec/openssh/ssh-ldap-wrapper

But I could only get it working by quoting the command:
AuthorizedKeysCommand "/usr/libexec/openssh/ssh-ldap-wrapper"

Comment 6 Jan F. Chadima 2011-03-17 07:50:31 UTC

everything is repaired in current rawhide