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5d489ac560
Add new pylint AST checker plugin which implements a check for imports forbidden in IPA. Which imports are forbidden is configurable in pylintrc. Provide default forbidden import configuration and disable the check for existing forbidden imports in our code base. Reviewed-By: Martin Basti <mbasti@redhat.com>
191 lines
7.1 KiB
Python
191 lines
7.1 KiB
Python
# Authors: Jan Cholasta <jcholast@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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import os
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import tempfile
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import shutil
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# pylint: disable=import-error
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from six.moves.urllib.parse import urlsplit
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# pylint: enable=import-error
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from ipalib.install import certmonger, certstore, sysrestore
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from ipalib.install.kinit import kinit_keytab
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from ipapython import admintool, certdb, ipaldap, ipautil
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from ipaplatform import services
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from ipaplatform.paths import paths
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from ipaplatform.tasks import tasks
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from ipalib import api, errors, x509
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from ipalib.constants import IPA_CA_NICKNAME, RENEWAL_CA_NAME
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class CertUpdate(admintool.AdminTool):
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command_name = 'ipa-certupdate'
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usage = "%prog [options]"
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description = ("Update local IPA certificate databases with certificates "
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"from the server.")
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def validate_options(self):
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super(CertUpdate, self).validate_options(needs_root=True)
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def run(self):
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fstore = sysrestore.FileStore(paths.IPA_CLIENT_SYSRESTORE)
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if (not fstore.has_files() and
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not os.path.exists(paths.IPA_DEFAULT_CONF)):
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raise admintool.ScriptError(
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"IPA client is not configured on this system.")
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api.bootstrap(context='cli_installer', confdir=paths.ETC_IPA)
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api.finalize()
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server = urlsplit(api.env.jsonrpc_uri).hostname
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ldap_uri = ipaldap.get_ldap_uri(server)
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ldap = ipaldap.LDAPClient(ldap_uri)
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tmpdir = tempfile.mkdtemp(prefix="tmp-")
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ccache_name = os.path.join(tmpdir, 'ccache')
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try:
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principal = str('host/%s@%s' % (api.env.host, api.env.realm))
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kinit_keytab(principal, paths.KRB5_KEYTAB, ccache_name)
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os.environ['KRB5CCNAME'] = ccache_name
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api.Backend.rpcclient.connect()
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try:
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result = api.Backend.rpcclient.forward(
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'ca_is_enabled',
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version=u'2.107',
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)
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ca_enabled = result['result']
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except (errors.CommandError, errors.NetworkError):
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result = api.Backend.rpcclient.forward(
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'env',
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server=True,
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version=u'2.0',
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)
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ca_enabled = result['result']['enable_ra']
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ldap.gssapi_bind()
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certs = certstore.get_ca_certs(ldap, api.env.basedn,
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api.env.realm, ca_enabled)
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if ca_enabled:
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lwcas = api.Command.ca_find()['result']
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else:
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lwcas = []
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api.Backend.rpcclient.disconnect()
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finally:
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shutil.rmtree(tmpdir)
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server_fstore = sysrestore.FileStore(paths.SYSRESTORE)
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if server_fstore.has_files():
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self.update_server(certs)
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try:
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# pylint: disable=import-error,ipa-forbidden-import
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from ipaserver.install import cainstance
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# pylint: enable=import-error,ipa-forbidden-import
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cainstance.add_lightweight_ca_tracking_requests(
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self.log, lwcas)
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except Exception:
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self.log.exception(
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"Failed to add lightweight CA tracking requests")
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self.update_client(certs)
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def update_client(self, certs):
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self.update_file(paths.IPA_CA_CRT, certs)
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ipa_db = certdb.NSSDatabase(api.env.nss_dir)
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# Remove old IPA certs from /etc/ipa/nssdb
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for nickname in ('IPA CA', 'External CA cert'):
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while ipa_db.has_nickname(nickname):
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try:
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ipa_db.delete_cert(nickname)
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except ipautil.CalledProcessError as e:
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self.log.error("Failed to remove %s from %s: %s",
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nickname, ipa_db.secdir, e)
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break
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self.update_db(ipa_db.secdir, certs)
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tasks.remove_ca_certs_from_systemwide_ca_store()
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tasks.insert_ca_certs_into_systemwide_ca_store(certs)
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def update_server(self, certs):
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instance = '-'.join(api.env.realm.split('.'))
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self.update_db(
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paths.ETC_DIRSRV_SLAPD_INSTANCE_TEMPLATE % instance, certs)
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if services.knownservices.dirsrv.is_running():
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services.knownservices.dirsrv.restart(instance)
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self.update_db(paths.HTTPD_ALIAS_DIR, certs)
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if services.knownservices.httpd.is_running():
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services.knownservices.httpd.restart()
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criteria = {
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'cert-database': paths.PKI_TOMCAT_ALIAS_DIR,
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'cert-nickname': IPA_CA_NICKNAME,
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'ca-name': RENEWAL_CA_NAME
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}
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request_id = certmonger.get_request_id(criteria)
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if request_id is not None:
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timeout = api.env.startup_timeout + 60
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self.log.debug("resubmitting certmonger request '%s'", request_id)
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certmonger.resubmit_request(
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request_id, profile='ipaRetrievalOrReuse')
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try:
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state = certmonger.wait_for_request(request_id, timeout)
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except RuntimeError:
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raise admintool.ScriptError(
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"Resubmitting certmonger request '%s' timed out, "
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"please check the request manually" % request_id)
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ca_error = certmonger.get_request_value(request_id, 'ca-error')
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if state != 'MONITORING' or ca_error:
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raise admintool.ScriptError(
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"Error resubmitting certmonger request '%s', "
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"please check the request manually" % request_id)
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self.log.debug("modifying certmonger request '%s'", request_id)
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certmonger.modify(request_id, profile='ipaCACertRenewal')
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self.update_file(paths.CA_CRT, certs)
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def update_file(self, filename, certs, mode=0o444):
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certs = (c[0] for c in certs if c[2] is not False)
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try:
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x509.write_certificate_list(certs, filename)
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except Exception as e:
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self.log.error("failed to update %s: %s", filename, e)
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def update_db(self, path, certs):
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db = certdb.NSSDatabase(path)
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for cert, nickname, trusted, eku in certs:
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trust_flags = certstore.key_policy_to_trust_flags(
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trusted, True, eku)
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try:
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db.add_cert(cert, nickname, trust_flags)
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except ipautil.CalledProcessError as e:
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self.log.error(
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"failed to update %s in %s: %s", nickname, path, e)
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