Generating ~/.ssh/known_hosts from LDAP

[Matt Zimmerman]

I couldn't find any way to authenticate db.debian.org when using direct LDAP
(TLS doesn't seem to be supported), but nonetheless this is damn convenient.

(requires python-ldap)

-- 
 - mdz

#!/usr/bin/python

#
# debian-known-hosts
#
#   Dump ssh host keys from db.debian.org in a format suitable for an
#   ssh known_hosts file
#
# BUGS: has no way to authenticate db.debian.org
#
# Matt Zimmerman <[EMAIL PROTECTED]>, 12/13/2003
#

import ldap

conn = ldap.ldapobject.SmartLDAPObject('ldap://db.debian.org')
msgid = conn.search('dc=debian,dc=org', ldap.SCOPE_SUBTREE,
                    filterstr='objectClass=debianServer',
                    attrlist=('hostname', 'sshRSAHostKey'))
restype, resdata = conn.result(msgid)

for dn, attrs in resdata:
    if 'sshRSAHostKey' not in attrs:
        continue
    hostnames = ','.join(attrs['hostname'])
    for hostkey in attrs['sshRSAHostKey']:
        print hostnames, hostkey

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