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https://salsa.debian.org/freeipa-team/freeipa.git
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3c388f5a22
Enabling "fresh" renewals (c.f. "renewal"-based renewals that reference the expired certificate and its associated request object) will improve renewal robustness. To use fresh renewals the tracking request must record the profile to be used. Make dogtaginstance record the profile when creating tracking requests for both CA and KRA. Note that 'Server-Cert cert-pki-ca' and the 'IPA RA' both use profile 'caServerCert', which is the default (according to dogtag-ipa-renew-agent which is part of Certmonger). So we do not need any special handling for those certificates. This commit does not handle upgrade. It will be handled in a subsequent commit. Part of: https://pagure.io/freeipa/issue/7991 Reviewed-By: Rob Crittenden <rcritten@redhat.com>
964 lines
34 KiB
Python
964 lines
34 KiB
Python
# Authors: Ade Lee <alee@redhat.com>
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#
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# Copyright (C) 2014 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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#
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from __future__ import absolute_import
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import base64
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import logging
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import time
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import ldap
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import os
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import shutil
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import traceback
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import dbus
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from configparser import DEFAULTSECT, ConfigParser, RawConfigParser
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import six
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from pki.client import PKIConnection
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import pki.system
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from ipalib import api, errors, x509
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from ipalib.install import certmonger
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from ipalib.constants import CA_DBUS_TIMEOUT, IPA_CA_RECORD
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from ipaplatform import services
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from ipaplatform.constants import constants
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from ipaplatform.paths import paths
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from ipapython import directivesetter
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from ipapython import ipaldap
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from ipapython import ipautil
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from ipapython.dn import DN
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from ipaserver.install import service
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from ipaserver.install import sysupgrade
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from ipaserver.install import replication
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from ipaserver.install.installutils import stopped_service
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logger = logging.getLogger(__name__)
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def get_security_domain():
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"""
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Get the security domain from the REST interface on the local Dogtag CA
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This function will succeed if the local dogtag CA is up.
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"""
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connection = PKIConnection(
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protocol='https',
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hostname=api.env.ca_host,
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port='8443'
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)
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domain_client = pki.system.SecurityDomainClient(connection)
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info = domain_client.get_security_domain_info()
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return info
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def is_installing_replica(sys_type):
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"""
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We expect only one of each type of Dogtag subsystem in an IPA deployment.
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That means that if a subsystem of the specified type has already been
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deployed - and therefore appears in the security domain - then we must be
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installing a replica.
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"""
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info = get_security_domain()
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try:
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sys_list = info.systems[sys_type]
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return len(sys_list.hosts) > 0
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except KeyError:
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return False
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class DogtagInstance(service.Service):
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"""
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This is the base class for a Dogtag 10+ instance, which uses a
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shared tomcat instance and DS to host the relevant subsystems.
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It contains functions that will be common to installations of the
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CA, KRA, and eventually TKS and TPS.
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"""
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# Mapping of nicknames for tracking requests, and the profile to use for
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# that certificate. 'configure_renewal()' reads this dict and adds the
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# profile if configured. Certificates that use the default profile
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# ("caServerCert", as defined by dogtag-ipa-renew-agent which is part of
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# Certmonger) are omitted.
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tracking_reqs = dict()
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server_cert_name = None
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# token for CA and subsystem certificates. For now, only internal token
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# is supported.
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token_name = "internal"
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ipaca_groups = DN(('ou', 'groups'), ('o', 'ipaca'))
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ipaca_people = DN(('ou', 'people'), ('o', 'ipaca'))
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groups_aci = (
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b'(targetfilter="(objectClass=groupOfUniqueNames)")'
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b'(targetattr="cn || description || objectclass || uniquemember")'
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b'(version 3.0; acl "Allow users from o=ipaca to read groups"; '
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b'allow (read, search, compare) '
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b'userdn="ldap:///uid=*,ou=people,o=ipaca";)'
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)
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def __init__(self, realm, subsystem, service_desc, host_name=None,
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nss_db=paths.PKI_TOMCAT_ALIAS_DIR, service_prefix=None,
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config=None):
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"""Initializer"""
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super(DogtagInstance, self).__init__(
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'pki-tomcatd',
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service_desc=service_desc,
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realm_name=realm,
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service_user=constants.PKI_USER,
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service_prefix=service_prefix
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)
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self.admin_password = None
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self.fqdn = host_name
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self.pkcs12_info = None
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self.clone = False
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self.basedn = None
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self.admin_user = "admin"
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self.admin_dn = DN(
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('uid', self.admin_user), self.ipaca_people
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)
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self.admin_groups = None
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self.tmp_agent_db = None
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self.subsystem = subsystem
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# replication parameters
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self.master_host = None
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self.master_replication_port = 389
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self.nss_db = nss_db
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self.config = config # Path to CS.cfg
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# filled out by configure_instance
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self.pki_config_override = None
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self.ca_subject = None
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self.subject_base = None
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def is_installed(self):
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"""
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Determine if subsystem instance has been installed.
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Returns True/False
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"""
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return os.path.exists(os.path.join(
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paths.VAR_LIB_PKI_TOMCAT_DIR, self.subsystem.lower()))
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def spawn_instance(self, cfg_file, nolog_list=()):
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"""
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Create and configure a new Dogtag instance using pkispawn.
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Passes in a configuration file with IPA-specific
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parameters.
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"""
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subsystem = self.subsystem
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args = [paths.PKISPAWN,
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"-s", subsystem,
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"-f", cfg_file]
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with open(cfg_file) as f:
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logger.debug(
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'Contents of pkispawn configuration file (%s):\n%s',
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cfg_file, ipautil.nolog_replace(f.read(), nolog_list))
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try:
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ipautil.run(args, nolog=nolog_list)
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except ipautil.CalledProcessError as e:
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self.handle_setup_error(e)
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def clean_pkispawn_files(self):
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if self.tmp_agent_db is not None:
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logger.debug("Removing %s", self.tmp_agent_db)
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shutil.rmtree(self.tmp_agent_db, ignore_errors=True)
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client_dir = os.path.join(
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'/root/.dogtag/pki-tomcat/', self.subsystem.lower())
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logger.debug("Removing %s", client_dir)
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shutil.rmtree(client_dir, ignore_errors=True)
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def restart_instance(self):
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self.restart('pki-tomcat')
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def start_instance(self):
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self.start('pki-tomcat')
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def stop_instance(self):
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try:
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self.stop('pki-tomcat')
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except Exception:
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logger.debug("%s", traceback.format_exc())
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logger.critical(
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"Failed to stop the Dogtag instance."
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"See the installation log for details.")
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def enable_client_auth_to_db(self):
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"""
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Enable client auth connection to the internal db.
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"""
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sub_system_nickname = "subsystemCert cert-pki-ca"
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if self.token_name != "internal":
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# TODO: Dogtag 10.6.9 does not like "internal" prefix.
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sub_system_nickname = '{}:{}'.format(
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self.token_name, sub_system_nickname
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)
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with stopped_service('pki-tomcatd', 'pki-tomcat'):
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directivesetter.set_directive(
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self.config,
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'authz.instance.DirAclAuthz.ldap.ldapauth.authtype',
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'SslClientAuth', quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'authz.instance.DirAclAuthz.ldap.ldapauth.clientCertNickname',
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sub_system_nickname, quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'authz.instance.DirAclAuthz.ldap.ldapconn.port', '636',
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quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'authz.instance.DirAclAuthz.ldap.ldapconn.secureConn',
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'true', quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'internaldb.ldapauth.authtype',
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'SslClientAuth', quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'internaldb.ldapauth.clientCertNickname',
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sub_system_nickname, quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'internaldb.ldapconn.port', '636', quotes=False, separator='=')
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directivesetter.set_directive(
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self.config,
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'internaldb.ldapconn.secureConn', 'true', quotes=False,
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separator='=')
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# Remove internaldb password as is not needed anymore
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directivesetter.set_directive(paths.PKI_TOMCAT_PASSWORD_CONF,
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'internaldb', None, separator='=')
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def uninstall(self):
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if self.is_installed():
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self.print_msg("Unconfiguring %s" % self.subsystem)
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try:
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ipautil.run([paths.PKIDESTROY,
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"-i", 'pki-tomcat',
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"-s", self.subsystem])
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except ipautil.CalledProcessError as e:
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logger.critical("failed to uninstall %s instance %s",
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self.subsystem, e)
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def http_proxy(self):
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""" Update the http proxy file """
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template_filename = (
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os.path.join(paths.USR_SHARE_IPA_DIR,
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"ipa-pki-proxy.conf.template"))
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sub_dict = dict(
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DOGTAG_PORT=8009,
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CLONE='' if self.clone else '#',
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FQDN=self.fqdn,
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)
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template = ipautil.template_file(template_filename, sub_dict)
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with open(paths.HTTPD_IPA_PKI_PROXY_CONF, "w") as fd:
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fd.write(template)
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os.fchmod(fd.fileno(), 0o644)
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def configure_certmonger_renewal(self):
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"""
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Create a new CA type for certmonger that will retrieve updated
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certificates from the dogtag master server.
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"""
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cmonger = services.knownservices.certmonger
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cmonger.enable()
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if not services.knownservices.dbus.is_running():
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# some platforms protect dbus with RefuseManualStart=True
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services.knownservices.dbus.start()
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cmonger.start()
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bus = dbus.SystemBus()
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obj = bus.get_object('org.fedorahosted.certmonger',
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'/org/fedorahosted/certmonger')
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iface = dbus.Interface(obj, 'org.fedorahosted.certmonger')
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for suffix, args in [('', ''), ('-reuse', ' --reuse-existing')]:
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name = 'dogtag-ipa-ca-renew-agent' + suffix
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path = iface.find_ca_by_nickname(name)
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if not path:
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command = paths.DOGTAG_IPA_CA_RENEW_AGENT_SUBMIT + args
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iface.add_known_ca(
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name,
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command,
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dbus.Array([], dbus.Signature('s')),
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# Give dogtag extra time to generate cert
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timeout=CA_DBUS_TIMEOUT)
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def __get_pin(self, token_name="internal"):
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try:
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return certmonger.get_pin(token_name)
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except IOError as e:
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logger.debug(
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'Unable to determine PIN for the Dogtag instance: %s', e)
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raise RuntimeError(e)
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def configure_renewal(self):
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""" Configure certmonger to renew system certs """
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pin = self.__get_pin(self.token_name)
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for nickname in self.tracking_reqs:
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try:
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certmonger.start_tracking(
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certpath=self.nss_db,
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ca='dogtag-ipa-ca-renew-agent',
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nickname=nickname,
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token_name=self.token_name,
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pin=pin,
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pre_command='stop_pkicad',
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post_command='renew_ca_cert "%s"' % nickname,
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profile=self.tracking_reqs[nickname],
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)
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except RuntimeError as e:
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logger.error(
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"certmonger failed to start tracking certificate: %s", e)
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def track_servercert(self):
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"""
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Specifically do not tell certmonger to restart the CA. This will be
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done by the renewal script, renew_ca_cert once all the subsystem
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certificates are renewed.
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"""
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# server cert is always stored in internal token
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token_name = "internal"
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pin = self.__get_pin(token_name)
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try:
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certmonger.start_tracking(
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certpath=self.nss_db,
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ca='dogtag-ipa-ca-renew-agent',
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nickname=self.server_cert_name,
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token_name=token_name,
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pin=pin,
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pre_command='stop_pkicad',
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post_command='renew_ca_cert "%s"' % self.server_cert_name
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)
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except RuntimeError as e:
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logger.error(
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"certmonger failed to start tracking certificate: %s", e)
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def stop_tracking_certificates(self, stop_certmonger=True):
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"""Stop tracking our certificates. Called on uninstall.
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"""
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logger.debug(
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"Configuring certmonger to stop tracking system certificates "
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"for %s", self.subsystem)
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cmonger = services.knownservices.certmonger
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if not services.knownservices.dbus.is_running():
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# some platforms protect dbus with RefuseManualStart=True
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services.knownservices.dbus.start()
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cmonger.start()
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nicknames = list(self.tracking_reqs)
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if self.server_cert_name is not None:
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nicknames.append(self.server_cert_name)
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for nickname in nicknames:
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try:
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certmonger.stop_tracking(
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self.nss_db, nickname=nickname)
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except RuntimeError as e:
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logger.error(
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"certmonger failed to stop tracking certificate: %s", e)
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if stop_certmonger:
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cmonger.stop()
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def update_cert_cs_cfg(self, directive, cert):
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"""
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When renewing a Dogtag subsystem certificate the configuration file
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needs to get the new certificate as well.
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``directive`` is the directive to update in CS.cfg
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cert is IPACertificate.
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cs_cfg is the path to the CS.cfg file
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"""
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with stopped_service('pki-tomcatd', 'pki-tomcat'):
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directivesetter.set_directive(
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self.config,
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directive,
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# the cert must be only the base64 string without headers
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(base64.b64encode(cert.public_bytes(x509.Encoding.DER))
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.decode('ascii')),
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quotes=False,
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separator='=')
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def get_admin_cert(self):
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"""
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Get the certificate for the admin user by checking the ldap entry
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for the user. There should be only one certificate per user.
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"""
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logger.debug('Trying to find the certificate for the admin user')
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conn = None
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try:
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conn = ipaldap.LDAPClient.from_realm(self.realm)
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conn.external_bind()
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entry_attrs = conn.get_entry(self.admin_dn, ['usercertificate'])
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admin_cert = entry_attrs.get('usercertificate')[0]
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# TODO(edewata) Add check to warn if there is more than one cert.
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finally:
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if conn is not None:
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conn.unbind()
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return admin_cert
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|
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def handle_setup_error(self, e):
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logger.critical("Failed to configure %s instance: %s",
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self.subsystem, e)
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logger.critical("See the installation logs and the following "
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"files/directories for more information:")
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logger.critical(" %s", paths.TOMCAT_TOPLEVEL_DIR)
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raise RuntimeError("%s configuration failed." % self.subsystem)
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|
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def add_ipaca_aci(self):
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"""Add ACI to allow ipaca users to read their own group information
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Dogtag users aren't allowed to enumerate their own groups. The
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setup_admin() method needs the permission to wait, until all group
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information has been replicated.
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"""
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dn = self.ipaca_groups
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mod = [(ldap.MOD_ADD, 'aci', [self.groups_aci])]
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try:
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api.Backend.ldap2.modify_s(dn, mod)
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except ldap.TYPE_OR_VALUE_EXISTS:
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logger.debug("%s already has ACI to read group information", dn)
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else:
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logger.debug("Added ACI to read groups to %s", dn)
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def setup_admin(self):
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self.admin_user = "admin-%s" % self.fqdn
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self.admin_password = ipautil.ipa_generate_password()
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self.admin_dn = DN(
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('uid', self.admin_user), self.ipaca_people
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)
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# remove user if left-over exists
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try:
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api.Backend.ldap2.delete_entry(self.admin_dn)
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except errors.NotFound:
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pass
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# add user
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entry = api.Backend.ldap2.make_entry(
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self.admin_dn,
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objectclass=["top", "person", "organizationalPerson",
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"inetOrgPerson", "cmsuser"],
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uid=[self.admin_user],
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cn=[self.admin_user],
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sn=[self.admin_user],
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usertype=['adminType'],
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mail=['root@localhost'],
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userPassword=[self.admin_password],
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userstate=['1']
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)
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api.Backend.ldap2.add_entry(entry)
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wait_groups = []
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for group in self.admin_groups:
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group_dn = DN(('cn', group), self.ipaca_groups)
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mod = [(ldap.MOD_ADD, 'uniqueMember', [self.admin_dn])]
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try:
|
|
api.Backend.ldap2.modify_s(group_dn, mod)
|
|
except ldap.TYPE_OR_VALUE_EXISTS:
|
|
# already there
|
|
return None
|
|
else:
|
|
wait_groups.append(group_dn)
|
|
|
|
# Now wait until the other server gets replicated this data
|
|
master_conn = ipaldap.LDAPClient.from_hostname_secure(
|
|
self.master_host
|
|
)
|
|
logger.debug(
|
|
"Waiting for %s to appear on %s", self.admin_dn, master_conn
|
|
)
|
|
deadline = time.time() + api.env.replication_wait_timeout
|
|
while time.time() < deadline:
|
|
time.sleep(1)
|
|
try:
|
|
master_conn.simple_bind(self.admin_dn, self.admin_password)
|
|
except errors.ACIError:
|
|
# user not replicated yet
|
|
pass
|
|
else:
|
|
logger.debug("Successfully logged in as %s", self.admin_dn)
|
|
break
|
|
else:
|
|
logger.error(
|
|
"Unable to log in as %s on %s", self.admin_dn, master_conn
|
|
)
|
|
raise errors.NotFound(
|
|
reason="{} did not replicate to {}".format(
|
|
self.admin_dn, master_conn
|
|
)
|
|
)
|
|
|
|
# wait for group membership
|
|
for group_dn in wait_groups:
|
|
replication.wait_for_entry(
|
|
master_conn,
|
|
group_dn,
|
|
timeout=api.env.replication_wait_timeout,
|
|
attr='uniqueMember',
|
|
attrvalue=self.admin_dn
|
|
)
|
|
|
|
def __remove_admin_from_group(self, group):
|
|
dn = DN(('cn', group), self.ipaca_groups)
|
|
mod = [(ldap.MOD_DELETE, 'uniqueMember', self.admin_dn)]
|
|
try:
|
|
api.Backend.ldap2.modify_s(dn, mod)
|
|
except ldap.NO_SUCH_ATTRIBUTE:
|
|
# already removed
|
|
pass
|
|
|
|
def teardown_admin(self):
|
|
for group in self.admin_groups:
|
|
self.__remove_admin_from_group(group)
|
|
api.Backend.ldap2.delete_entry(self.admin_dn)
|
|
|
|
def backup_config(self):
|
|
"""
|
|
Create a backup copy of CS.cfg
|
|
"""
|
|
config = self.config
|
|
bak = config + '.ipabkp'
|
|
if services.knownservices['pki_tomcatd'].is_running('pki-tomcat'):
|
|
raise RuntimeError(
|
|
"Dogtag must be stopped when creating backup of %s" % config)
|
|
shutil.copy(config, bak)
|
|
# shutil.copy() doesn't copy owner
|
|
s = os.stat(config)
|
|
os.chown(bak, s.st_uid, s.st_gid)
|
|
|
|
def reindex_task(self, force=False):
|
|
"""Reindex ipaca entries
|
|
|
|
pkispawn sometimes does not run its indextasks. This leads to slow
|
|
unindexed filters on attributes such as description, which is used
|
|
to log in with a certificate. Explicitly reindex attribute that
|
|
should have been reindexed by CA's indextasks.ldif.
|
|
|
|
See https://pagure.io/dogtagpki/issue/3083
|
|
"""
|
|
state_name = 'reindex_task'
|
|
if not force and sysupgrade.get_upgrade_state('dogtag', state_name):
|
|
return
|
|
|
|
cn = "indextask_ipaca_{}".format(int(time.time()))
|
|
dn = DN(
|
|
('cn', cn), ('cn', 'index'), ('cn', 'tasks'), ('cn', 'config')
|
|
)
|
|
entry = api.Backend.ldap2.make_entry(
|
|
dn,
|
|
objectClass=['top', 'extensibleObject'],
|
|
cn=[cn],
|
|
nsInstance=['ipaca'], # Dogtag PKI database
|
|
nsIndexAttribute=[
|
|
# from pki/base/ca/shared/conf/indextasks.ldif
|
|
'archivedBy', 'certstatus', 'clientId', 'dataType',
|
|
'dateOfCreate', 'description', 'duration', 'extension',
|
|
'issuedby', 'issuername', 'metaInfo', 'notafter',
|
|
'notbefore', 'ownername', 'publicKeyData', 'requestid',
|
|
'requestowner', 'requestsourceid', 'requeststate',
|
|
'requesttype', 'revInfo', 'revokedOn', 'revokedby',
|
|
'serialno', 'status', 'subjectname',
|
|
],
|
|
ttl=[10],
|
|
)
|
|
logger.debug('Creating ipaca reindex task %s', dn)
|
|
api.Backend.ldap2.add_entry(entry)
|
|
logger.debug('Waiting for task...')
|
|
exitcode = replication.wait_for_task(api.Backend.ldap2, dn)
|
|
logger.debug(
|
|
'Task %s has finished with exit code %i',
|
|
dn, exitcode
|
|
)
|
|
sysupgrade.set_upgrade_state('dogtag', state_name, True)
|
|
|
|
def _configure_clone(self, subsystem_config, security_domain_hostname,
|
|
clone_pkcs12_path):
|
|
subsystem_config.update(
|
|
# Security domain registration
|
|
pki_security_domain_hostname=security_domain_hostname,
|
|
pki_security_domain_https_port=443,
|
|
pki_security_domain_user=self.admin_user,
|
|
pki_security_domain_password=self.admin_password,
|
|
# Clone
|
|
pki_clone=True,
|
|
pki_clone_pkcs12_path=clone_pkcs12_path,
|
|
pki_clone_pkcs12_password=self.dm_password,
|
|
pki_clone_replication_security="TLS",
|
|
pki_clone_replication_master_port=self.master_replication_port,
|
|
pki_clone_replication_clone_port=389,
|
|
pki_clone_replicate_schema=False,
|
|
pki_clone_uri="https://%s" % ipautil.format_netloc(
|
|
self.master_host, 443),
|
|
)
|
|
|
|
def _create_spawn_config(self, subsystem_config):
|
|
loader = PKIIniLoader(
|
|
subsystem=self.subsystem,
|
|
fqdn=self.fqdn,
|
|
domain=api.env.domain,
|
|
subject_base=self.subject_base,
|
|
ca_subject=self.ca_subject,
|
|
admin_user=self.admin_user,
|
|
admin_password=self.admin_password,
|
|
dm_password=self.dm_password,
|
|
pki_config_override=self.pki_config_override
|
|
)
|
|
return loader.create_spawn_config(subsystem_config)
|
|
|
|
|
|
class PKIIniLoader:
|
|
# supported subsystems
|
|
subsystems = ('CA', 'KRA')
|
|
# default, hard-coded, and immutable settings
|
|
ipaca_default = os.path.join(
|
|
paths.USR_SHARE_IPA_DIR, 'ipaca_default.ini'
|
|
)
|
|
# customizable settings
|
|
ipaca_customize = os.path.join(
|
|
paths.USR_SHARE_IPA_DIR, 'ipaca_customize.ini'
|
|
)
|
|
# keys that may be stored in a HSM token
|
|
token_stanzas = (
|
|
'pki_audit_signing_token',
|
|
'pki_subsystem_token',
|
|
'pki_ca_signing_token',
|
|
'pki_ocsp_signing_token',
|
|
'pki_storage_token',
|
|
'pki_transport_token',
|
|
)
|
|
# Set of immutable keys, initialized on demand
|
|
_immutable_keys = None
|
|
# Set of immutable config keys that are defined in dynamic code instead
|
|
# of ipaca_default config file.
|
|
_immutable_code_keys = frozenset({
|
|
# dogtaginstance
|
|
'pki_admin_password',
|
|
'pki_ds_password',
|
|
'pki_dns_domainname',
|
|
'pki_hostname',
|
|
'pki_subsystem',
|
|
'pki_subsystem_type',
|
|
# clone settings
|
|
'pki_security_domain_hostname',
|
|
'pki_security_domain_https_port',
|
|
'pki_security_domain_user',
|
|
'pki_security_domain_password',
|
|
'pki_clone',
|
|
'pki_clone_pkcs12_path',
|
|
'pki_clone_pkcs12_password',
|
|
'pki_clone_replication_security',
|
|
'pki_clone_replication_master_port',
|
|
'pki_clone_replication_clone_port',
|
|
'pki_clone_replicate_schema',
|
|
'pki_clone_uri',
|
|
# cainstance
|
|
'pki_ds_secure_connection',
|
|
'pki_server_database_password',
|
|
'pki_ds_create_new_db',
|
|
'pki_clone_setup_replication',
|
|
'pki_clone_reindex_data',
|
|
'pki_external',
|
|
'pki_ca_signing_csr_path',
|
|
'pki_ca_signing_cert_path',
|
|
'pki_cert_chain_path',
|
|
'pki_external_step_two',
|
|
# krainstance
|
|
'pki_issuing_ca_uri',
|
|
'pki_client_database_dir',
|
|
'pki_client_database_password',
|
|
'pki_client_database_purge',
|
|
'pki_client_pkcs12_password',
|
|
'pki_import_admin_cert',
|
|
'pki_client_admin_cert_p12',
|
|
})
|
|
|
|
def __init__(self, subsystem, fqdn, domain,
|
|
subject_base, ca_subject, admin_user, admin_password,
|
|
dm_password, pki_config_override=None):
|
|
self.pki_config_override = pki_config_override
|
|
self.defaults = dict(
|
|
# pretty much static
|
|
ipa_ca_pem_file=paths.IPA_CA_CRT,
|
|
# variable
|
|
ipa_ca_subject=ca_subject,
|
|
ipa_subject_base=subject_base,
|
|
ipa_fqdn=fqdn,
|
|
ipa_ocsp_uri="http://{}.{}/ca/ocsp".format(
|
|
IPA_CA_RECORD, ipautil.format_netloc(domain)),
|
|
ipa_admin_cert_p12=paths.DOGTAG_ADMIN_P12,
|
|
ipa_admin_user=admin_user,
|
|
pki_admin_password=admin_password,
|
|
pki_ds_password=dm_password,
|
|
# Dogtag's pkiparser defines these config vars by default:
|
|
pki_dns_domainname=domain,
|
|
pki_hostname=fqdn,
|
|
pki_subsystem=subsystem.upper(),
|
|
pki_subsystem_type=subsystem.lower(),
|
|
home_dir=os.path.expanduser("~"),
|
|
# for softhsm2 testing
|
|
softhsm2_so=paths.LIBSOFTHSM2_SO
|
|
)
|
|
|
|
@classmethod
|
|
def get_immutable_keys(cls):
|
|
"""Get set of immutable keys
|
|
|
|
Immutable keys are calculated from 'ipaca_default' config file
|
|
and known keys that are defined in code.
|
|
"""
|
|
if cls._immutable_keys is None:
|
|
immutable = set()
|
|
immutable.update(cls._immutable_code_keys)
|
|
cfg = RawConfigParser()
|
|
with open(cls.ipaca_default) as f:
|
|
cfg.read_file(f)
|
|
for section in cls.subsystems:
|
|
for k, _v in cfg.items(section, raw=True):
|
|
if k.startswith('pki_'):
|
|
immutable.add(k)
|
|
cls._immutable_keys = frozenset(immutable)
|
|
return cls._immutable_keys
|
|
|
|
@classmethod
|
|
def verify_pki_config_override(cls, filename):
|
|
"""Verify pki config override file
|
|
|
|
* filename must be an absolute path to an existing file
|
|
* file must be a valid ini file
|
|
* ini file must not override immutable settings
|
|
|
|
TODO: The checker does not verify config interpolation values, yet.
|
|
The validator does not have access to all settings.
|
|
|
|
:param filename: path to pki.ini
|
|
"""
|
|
if not os.path.isfile(filename):
|
|
raise ValueError(
|
|
"Config file '{}' does not exist.".format(filename)
|
|
)
|
|
if not os.path.isabs(filename):
|
|
raise ValueError(
|
|
"Config file '{}' is not an absolute path.".format(filename)
|
|
)
|
|
|
|
try:
|
|
cfg = RawConfigParser()
|
|
with open(filename) as f:
|
|
cfg.read_file(f)
|
|
except Exception as e:
|
|
raise ValueError(
|
|
"Invalid config '{}': {}".format(filename, e)
|
|
)
|
|
|
|
immutable_keys = cls.get_immutable_keys()
|
|
invalid_keys = set()
|
|
sections = [cfg.default_section]
|
|
sections.extend(cls.subsystems)
|
|
for section in sections:
|
|
if not cfg.has_section(section):
|
|
continue
|
|
for k, _v in cfg.items(section, raw=True):
|
|
if k in immutable_keys:
|
|
invalid_keys.add(k)
|
|
|
|
if invalid_keys:
|
|
raise ValueError(
|
|
"'{}' overrides immutable options: {}".format(
|
|
filename, ', '.join(sorted(invalid_keys))
|
|
)
|
|
)
|
|
|
|
def _mangle_values(self, dct):
|
|
"""Stringify and quote % as %% to avoid interpolation errors
|
|
|
|
* booleans are converted to 'True', 'False'
|
|
* DN and numbers are converted to string
|
|
* None is turned into empty string ''
|
|
"""
|
|
result = {}
|
|
for k, v in dct.items():
|
|
if isinstance(v, (DN, bool, six.integer_types)):
|
|
v = six.text_type(v)
|
|
elif v is None:
|
|
v = ''
|
|
result[k] = v.replace('%', '%%')
|
|
return result
|
|
|
|
def _get_default_config(self):
|
|
"""Load default config
|
|
|
|
:return: config parser, immutable keys
|
|
"""
|
|
defaults = self._mangle_values(self.defaults)
|
|
# create a config template with interpolation support
|
|
# read base config
|
|
cfgtpl = ConfigParser(defaults=defaults)
|
|
cfgtpl.optionxform = str
|
|
with open(self.ipaca_default) as f:
|
|
cfgtpl.read_file(f)
|
|
|
|
# overwrite defaults with our defaults
|
|
for key, value in defaults.items():
|
|
cfgtpl.set(DEFAULTSECT, key, value)
|
|
|
|
# all keys in default conf + known keys defined in code are
|
|
# considered immutable.
|
|
immutable_keys = set()
|
|
immutable_keys.update(self._immutable_code_keys)
|
|
for section_name in self.subsystems:
|
|
for k, _v in cfgtpl.items(section_name, raw=True):
|
|
immutable_keys.add(k)
|
|
|
|
return cfgtpl, immutable_keys
|
|
|
|
def _verify_immutable(self, config, immutable_settings, filename):
|
|
section_name = self.defaults['pki_subsystem']
|
|
errs = []
|
|
for key, isvalue in immutable_settings.items():
|
|
cfgvalue = config.get(section_name, key)
|
|
if isvalue != cfgvalue:
|
|
errs.append(f"{key}: '{cfgvalue}' != '{isvalue}'")
|
|
if errs:
|
|
raise ValueError(
|
|
'{} overrides immutable options:\n{}'.format(
|
|
filename, '\n'.join(errs)
|
|
)
|
|
)
|
|
|
|
def create_spawn_config(self, subsystem_config):
|
|
"""Create config instance
|
|
"""
|
|
section_name = self.defaults['pki_subsystem']
|
|
cfgtpl, immutable_keys = self._get_default_config()
|
|
|
|
# overwrite CA/KRA config with subsystem settings
|
|
subsystem_config = self._mangle_values(subsystem_config)
|
|
for key, value in subsystem_config.items():
|
|
cfgtpl.set(section_name, key, value)
|
|
|
|
# get a mapping of settings that cannot be modified by users
|
|
immutable_settings = {
|
|
k: v for k, v in cfgtpl.items(section_name)
|
|
if k in immutable_keys
|
|
}
|
|
|
|
# add ipaca_customize overlay,
|
|
# These are settings that can be modified by a user, too. We use
|
|
# ipaca_customize.ini to set sensible defaults.
|
|
with open(self.ipaca_customize) as f:
|
|
cfgtpl.read_file(f)
|
|
|
|
# load external overlay from command line
|
|
if self.pki_config_override is not None:
|
|
with open(self.pki_config_override) as f:
|
|
cfgtpl.read_file(f)
|
|
|
|
# verify again
|
|
self._verify_immutable(
|
|
cfgtpl, immutable_settings, self.pki_config_override
|
|
)
|
|
|
|
# key backup is not compatible with HSM support
|
|
if (cfgtpl.has_option(section_name, 'pki_hsm_enable') and
|
|
cfgtpl.getboolean(section_name, 'pki_hsm_enable')):
|
|
cfgtpl.set(section_name, 'pki_backup_keys', 'False')
|
|
cfgtpl.set(section_name, 'pki_backup_password', '')
|
|
|
|
pki_token_name = cfgtpl.get(section_name, 'pki_token_name')
|
|
for stanza in self.token_stanzas:
|
|
if cfgtpl.has_option(section_name, stanza):
|
|
cfgtpl.set(section_name, stanza, pki_token_name)
|
|
|
|
# Next up, get rid of interpolation variables, DEFAULT,
|
|
# irrelevant sections and unused variables. Only the subsystem
|
|
# section is copied into a new raw config parser. A raw config
|
|
# parser is necessary, because ConfigParser.write() write passwords
|
|
# with '%' in a way, that is not accepted by Dogtag.
|
|
config = RawConfigParser()
|
|
config.optionxform = str
|
|
config.add_section(section_name)
|
|
for key, value in sorted(cfgtpl.items(section=section_name)):
|
|
if key.startswith('pki_'):
|
|
config.set(section_name, key, value)
|
|
|
|
return config
|
|
|
|
|
|
def test():
|
|
import sys
|
|
|
|
sharedir = os.path.abspath(os.path.join(
|
|
os.path.dirname(os.path.join(__file__)),
|
|
os.pardir,
|
|
os.pardir,
|
|
'install',
|
|
'share',
|
|
))
|
|
|
|
class TestPKIIniLoader(PKIIniLoader):
|
|
ipaca_default = os.path.join(sharedir, 'ipaca_default.ini')
|
|
ipaca_customize = os.path.join(sharedir, 'ipaca_customize.ini')
|
|
|
|
override = os.path.join(sharedir, 'ipaca_softhsm2.ini')
|
|
|
|
base_settings = dict(
|
|
fqdn='replica.ipa.example',
|
|
domain='ipa.example',
|
|
subject_base='o=IPA,o=EXAMPLE',
|
|
ca_subject='cn=CA,o=IPA,o=EXAMPLE',
|
|
admin_user='admin',
|
|
admin_password='Secret1',
|
|
dm_password='Secret2',
|
|
pki_config_override=override,
|
|
)
|
|
|
|
for subsystem in TestPKIIniLoader.subsystems:
|
|
print('-' * 78)
|
|
loader = TestPKIIniLoader(subsystem=subsystem, **base_settings)
|
|
loader.verify_pki_config_override(loader.ipaca_customize)
|
|
loader.verify_pki_config_override(override)
|
|
config = loader.create_spawn_config({})
|
|
config.write(sys.stdout, False)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test()
|