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#!/usr/bin/python |
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|
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import sys |
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import os |
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import random |
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|
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try: |
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import ldap |
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except ImportError, e: |
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print "Please install python-ldap before running this program" |
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sys.exit(1) |
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|
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basedn="<%= dc_suffix %>" |
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peopledn="ou=people,%s" % basedn |
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uris=['ldap://ldap.<%= domain %>'] |
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random.shuffle(uris) |
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uri = " ".join(uris) |
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timeout=5 |
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binddn="cn=<%= fqdn %>,ou=Hosts,%s" % basedn |
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pwfile="<%= ldap_pwfile %>" |
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# filter out disabled accounts also |
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# too bad uidNumber doesn't support >= filters |
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filter="(&(objectClass=inetOrgPerson)(objectClass=ldapPublicKey)(objectClass=posixAccount)(sshPublicKey=*))" |
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keypathprefix="<%= pubkeys_directory %>" |
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|
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def usage(): |
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print "%s" % sys.argv[0] |
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print |
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print "Will fetch all enabled user accounts under %s" % peopledn |
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print "with ssh keys in them and write each one to" |
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print "%s/<login>/authorized_keys" % keypathprefix |
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print |
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print "This script is intented to be run from cron as root" |
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print |
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|
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def get_pw(pwfile): |
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try: |
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f = open(pwfile, 'r') |
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except IOError, e: |
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print "Error while reading password file, aborting" |
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print e |
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sys.exit(1) |
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pw = f.readline().strip() |
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f.close() |
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return pw |
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|
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def write_keys(keys, user, uid, gid): |
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try: |
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os.makedirs("%s/%s" % (keypathprefix,user), 0700) |
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except: |
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pass |
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keyfile = "%s/%s/authorized_keys" % (keypathprefix,user) |
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f = open(keyfile, 'w') |
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for key in keys: |
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f.write(key.strip() + "\n") |
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f.close() |
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os.chmod(keyfile, 0600) |
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os.chown(keyfile, uid, gid) |
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os.chmod("%s/%s" % (keypathprefix,user), 0700) |
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os.chown("%s/%s" % (keypathprefix,user), uid, gid) |
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|
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if len(sys.argv) != 1: |
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usage() |
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sys.exit(1) |
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|
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bindpw = get_pw(pwfile) |
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|
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try: |
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ld = ldap.initialize(uri) |
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ld.set_option(ldap.OPT_NETWORK_TIMEOUT, timeout) |
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ld.start_tls_s() |
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ld.bind_s(binddn, bindpw) |
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res = ld.search_s(peopledn, ldap.SCOPE_ONELEVEL, filter, ['uid','sshPublicKey','uidNumber','gidNumber']) |
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try: |
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os.makedirs(keypathprefix, 0701) |
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except: |
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pass |
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for result in res: |
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dn, entry = result |
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# skip possible system users |
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if int(entry['uidNumber'][0]) < 500: |
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continue |
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write_keys(entry['sshPublicKey'], entry['uid'][0], int(entry['uidNumber'][0]), int(entry['gidNumber'][0])) |
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ld.unbind_s() |
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except Exception, e: |
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print "Error" |
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raise |
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|
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sys.exit(0) |
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|
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|
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# vim:ts=4:sw=4:et:ai:si |
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