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eaafeddf76
Import all external CA certs to the Dogtag NSS database on IPA CA cert renewal. This fixes Dogtag not being able to connect to DS which uses 3rd party server cert after ipa-certupdate. https://fedorahosted.org/freeipa/ticket/5595 Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>
214 lines
7.9 KiB
Python
214 lines
7.9 KiB
Python
#!/usr/bin/python2 -E
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#
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# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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# Jan Cholasta <jcholast@redhat.com>
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#
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# Copyright (C) 2013 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import os
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import syslog
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import tempfile
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import shutil
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import traceback
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from ipapython import ipautil
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from ipalib import api, errors, x509, certstore
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from ipaserver.install import certs, cainstance, installutils
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from ipaserver.plugins.ldap2 import ldap2
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from ipaplatform import services
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from ipaplatform.paths import paths
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def _main():
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nickname = sys.argv[1]
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api.bootstrap(context='restart')
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api.finalize()
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dogtag_service = services.knownservices['pki_tomcatd']
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# dogtag opens its NSS database in read/write mode so we need it
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# shut down so certmonger can open it read/write mode. This avoids
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# database corruption. It should already be stopped by the pre-command
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# but lets be sure.
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if dogtag_service.is_running('pki-tomcat'):
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syslog.syslog(
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syslog.LOG_NOTICE, "Stopping %s" % dogtag_service.service_name)
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try:
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dogtag_service.stop('pki-tomcat')
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except Exception as e:
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syslog.syslog(
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syslog.LOG_ERR,
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"Cannot stop %s: %s" % (dogtag_service.service_name, e))
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else:
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syslog.syslog(
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syslog.LOG_NOTICE, "Stopped %s" % dogtag_service.service_name)
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# Fetch the new certificate
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db = certs.CertDB(api.env.realm, nssdir=paths.PKI_TOMCAT_ALIAS_DIR)
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cert = db.get_cert_from_db(nickname, pem=False)
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if not cert:
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syslog.syslog(syslog.LOG_ERR, 'No certificate %s found.' % nickname)
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sys.exit(1)
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tmpdir = tempfile.mkdtemp(prefix="tmp-")
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try:
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principal = str('host/%s@%s' % (api.env.host, api.env.realm))
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ccache_filename = os.path.join(tmpdir, 'ccache')
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ipautil.kinit_keytab(principal, paths.KRB5_KEYTAB, ccache_filename)
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os.environ['KRB5CCNAME'] = ccache_filename
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ca = cainstance.CAInstance(host_name=api.env.host, ldapi=False)
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ca.update_cert_config(nickname, cert)
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if ca.is_renewal_master():
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cainstance.update_people_entry(cert)
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if nickname == 'auditSigningCert cert-pki-ca':
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# Fix trust on the audit cert
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try:
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db.run_certutil(['-M',
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'-n', nickname,
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'-t', 'u,u,Pu'])
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syslog.syslog(
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syslog.LOG_NOTICE,
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"Updated trust on certificate %s in %s" %
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(nickname, db.secdir))
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except ipautil.CalledProcessError:
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syslog.syslog(
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syslog.LOG_ERR,
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"Updating trust on certificate %s failed in %s" %
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(nickname, db.secdir))
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elif nickname == 'caSigningCert cert-pki-ca':
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# Update CS.cfg
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cfg_path = paths.CA_CS_CFG_PATH
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config = installutils.get_directive(
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cfg_path, 'subsystem.select', '=')
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if config == 'New':
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syslog.syslog(syslog.LOG_NOTICE, "Updating CS.cfg")
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if x509.is_self_signed(cert, x509.DER):
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installutils.set_directive(
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cfg_path, 'hierarchy.select', 'Root',
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quotes=False, separator='=')
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installutils.set_directive(
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cfg_path, 'subsystem.count', '1',
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quotes=False, separator='=')
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else:
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installutils.set_directive(
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cfg_path, 'hierarchy.select', 'Subordinate',
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quotes=False, separator='=')
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installutils.set_directive(
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cfg_path, 'subsystem.count', '0',
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quotes=False, separator='=')
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else:
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syslog.syslog(syslog.LOG_NOTICE, "Not updating CS.cfg")
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# Remove old external CA certificates
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for ca_nick, ca_flags in db.list_certs():
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if 'u' in ca_flags:
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continue
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# Delete *all* certificates that use the nickname
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while True:
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try:
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db.delete_cert(ca_nick)
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except ipautil.CalledProcessError:
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syslog.syslog(
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syslog.LOG_ERR,
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"Failed to remove certificate %s" % ca_nick)
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break
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if not db.has_nickname(ca_nick):
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break
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conn = None
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try:
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conn = ldap2(api)
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conn.connect(ccache=ccache_filename)
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except Exception as e:
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syslog.syslog(
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syslog.LOG_ERR, "Failed to connect to LDAP: %s" % e)
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else:
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# Update CA certificate in LDAP
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if ca.is_renewal_master():
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try:
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certstore.update_ca_cert(conn, api.env.basedn, cert)
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except errors.EmptyModlist:
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pass
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except Exception as e:
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syslog.syslog(
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syslog.LOG_ERR,
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"Updating CA certificate failed: %s" % e)
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# Add external CA certificates
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try:
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ca_certs = certstore.get_ca_certs_nss(
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conn, api.env.basedn, api.env.realm, False)
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except Exception as e:
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syslog.syslog(
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syslog.LOG_ERR,
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"Failed to get external CA certificates from LDAP: "
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"%s" % e)
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ca_certs = []
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for ca_cert, ca_nick, ca_flags in ca_certs:
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try:
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db.add_cert(ca_cert, ca_nick, ca_flags)
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except ipautil.CalledProcessError as e:
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syslog.syslog(
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syslog.LOG_ERR,
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"Failed to add certificate %s" % ca_nick)
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# Pass Dogtag's self-tests
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for ca_nick in db.find_root_cert(nickname)[-2:-1]:
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ca_flags = dict(cc[1:] for cc in ca_certs)[ca_nick]
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db.trust_root_cert(ca_nick, 'C' + ca_flags)
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finally:
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if conn is not None and conn.isconnected():
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conn.disconnect()
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finally:
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shutil.rmtree(tmpdir)
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# Now we can start the CA. Using the services start should fire
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# off the servlet to verify that the CA is actually up and responding so
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# when this returns it should be good-to-go. The CA was stopped in the
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# pre-save state.
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syslog.syslog(
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syslog.LOG_NOTICE,
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'Starting %s' % dogtag_service.service_name)
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try:
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dogtag_service.start('pki-tomcat')
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except Exception as e:
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syslog.syslog(
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syslog.LOG_ERR,
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"Cannot start %s: %s" % (dogtag_service.service_name, e))
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else:
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syslog.syslog(
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syslog.LOG_NOTICE, "Started %s" % dogtag_service.service_name)
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def main():
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try:
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_main()
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finally:
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certs.renewal_lock.release('renew_ca_cert')
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try:
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main()
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except Exception:
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syslog.syslog(syslog.LOG_ERR, traceback.format_exc())
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