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#!/usr/bin/python2 -E
#
# Authors:
#   Rob Crittenden <rcritten@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 sys
import syslog
import traceback
from ipapython import services as ipaservices
from ipapython import dogtag
from ipaserver.install import certs
from ipalib import api

def main():
    nickname = sys.argv[1]

    api.bootstrap(context='restart')
    api.finalize()

    configured_constants = dogtag.configured_constants(api)
    alias_dir = configured_constants.ALIAS_DIR
    dogtag_service = ipaservices.knownservices[configured_constants.SERVICE_NAME]
    dogtag_instance = configured_constants.PKI_INSTANCE_NAME

    # dogtag opens its NSS database in read/write mode so we need it
    # shut down so certmonger can open it read/write mode. This avoids
    # database corruption. It should already be stopped by the pre-command
    # but lets be sure.
    if dogtag_service.is_running(dogtag_instance):
        syslog.syslog(
            syslog.LOG_NOTICE, "Stopping %s" % dogtag_service.service_name)
        try:
            dogtag_service.stop(dogtag_instance)
        except Exception, e:
            syslog.syslog(
                syslog.LOG_ERR,
                "Cannot stop %s: %s" % (dogtag_service.service_name, e))
        else:
            syslog.syslog(
                syslog.LOG_NOTICE, "Stopped %s" % dogtag_service.service_name)

    # Fix permissions on the audit cert if we're updating it
    if nickname == 'auditSigningCert cert-pki-ca':
        db = certs.CertDB(api.env.realm, nssdir=alias_dir)
        args = ['-M',
                '-n', nickname,
                '-t', 'u,u,Pu',
               ]
        db.run_certutil(args)

    syslog.syslog(syslog.LOG_NOTICE, 'Starting %s' % dogtag_service.service_name)
    try:
        dogtag_service.start(dogtag_instance)
    except Exception, e:
        syslog.syslog(
            syslog.LOG_ERR,
            "Cannot start %s: %s" % (dogtag_service.service_name, e))
    else:
        syslog.syslog(
            syslog.LOG_NOTICE, "Started %s" % dogtag_service.service_name)

try:
    main()
except Exception:
    syslog.syslog(syslog.LOG_ERR, traceback.format_exc())