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# Authors:
# Alexander Bokovoy <abokovoy@redhat.com>
#
# Copyright (C) 2012 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
from ipalib.install import certstore
from ipaserver.install import certs, dsinstance
from ipapython.ipaldap import realm_to_serverid
from ipalib import Registry, errors
from ipalib import Updater
from ipapython import certdb
from ipapython.dn import DN
logger = logging.getLogger(__name__)
register = Registry()
@register()
class update_upload_cacrt(Updater):
"""
Upload public CA certificate to LDAP
"""
def execute(self, **options):
serverid = realm_to_serverid(self.api.env.realm)
db = certs.CertDB(self.api.env.realm,
nssdir=dsinstance.config_dirname(serverid))
ca_cert = None
ca_enabled = self.api.Command.ca_is_enabled()['result']
if ca_enabled:
ca_nickname = certdb.get_ca_nickname(self.api.env.realm)
ca_subject = certstore.get_ca_subject(
self.api.Backend.ldap2,
self.api.env.container_ca,
self.api.env.basedn)
else:
ca_nickname = None
server_certs = db.find_server_certs()
if server_certs:
ca_chain = db.find_root_cert(server_certs[0][0])[:-1]
if ca_chain:
ca_nickname = ca_chain[-1]
ldap = self.api.Backend.ldap2
for nickname, trust_flags in db.list_certs():
if trust_flags.has_key:
continue
cert = db.get_cert_from_db(nickname)
subject = cert.subject
if ca_enabled and subject == ca_subject:
# When ca is enabled, we can have the IPA CA cert stored
# in the nss db with a different nickname (for instance
# when the server was installed with --subject to
# customize the CA cert subject), but it must always be
# stored in LDAP with the DN cn=$DOMAIN IPA CA
# This is why we check the subject instead of the nickname here
nickname = ca_nickname
trust_flags = certdb.IPA_CA_TRUST_FLAGS
trust, _ca, eku = certstore.trust_flags_to_key_policy(trust_flags)
dn = DN(('cn', nickname), ('cn', 'certificates'), ('cn', 'ipa'),
('cn','etc'), self.api.env.basedn)
entry = ldap.make_entry(dn)
try:
certstore.init_ca_entry(entry, cert, nickname, trust, eku)
except Exception as e:
logger.warning("Failed to create entry for %s: %s",
nickname, e)
continue
if nickname == ca_nickname:
ca_cert = cert
config = entry.setdefault('ipaConfigString', [])
if ca_enabled:
config.append('ipaCa')
config.append('compatCA')
try:
ldap.add_entry(entry)
except errors.DuplicateEntry:
if nickname == ca_nickname and ca_enabled:
try:
ldap.update_entry(entry)
except errors.EmptyModlist:
pass
if ca_cert:
dn = DN(('cn', 'CACert'), ('cn', 'ipa'), ('cn','etc'),
self.api.env.basedn)
try:
entry = ldap.get_entry(dn)
except errors.NotFound:
entry = ldap.make_entry(dn)
entry['objectclass'] = ['nsContainer', 'pkiCA']
entry.single_value['cn'] = 'CAcert'
entry.single_value['cACertificate;binary'] = ca_cert
ldap.add_entry(entry)
else:
force_write = False
try:
_cert_bin = entry['cACertificate;binary']
except ValueError:
# BZ 1644874
# sometimes the cert is badly stored, twice encoded
# force write to fix the value
logger.debug('Fixing the value of cACertificate;binary '
'in entry %s', entry.dn)
force_write = True
if force_write or b'' in entry['cACertificate;binary']:
entry.single_value['cACertificate;binary'] = ca_cert
ldap.update_entry(entry)
return False, []
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