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67490acb04
389-ds will change the default value of nsslapd-unhashed-pw-switch from 'on' to 'off' For new or upgraded IPA instance, in case of winsync deployment the attribute is set to 'on' and a warning is displayed. Else the attribute is set to 'nolog' https://pagure.io/freeipa/issue/4812 Reviewed-By: Florence Blanc-Renaud <flo@redhat.com>
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
# Authors:
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# Thierry Bordaz <tbordaz@redhat.com>
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#
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# Copyright (C) 2019 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 logging
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from ipalib import Registry, errors
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from ipalib import Updater
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from ipapython.dn import DN
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logger = logging.getLogger(__name__)
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register = Registry()
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@register()
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class update_unhashed_password(Updater):
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"""
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DS
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"""
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def __remove_update(self, update, key, value):
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statement = dict(action='remove', attr=key, value=value)
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update.setdefault('updates', []).append(statement)
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def __add_update(self, update, key, value):
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statement = dict(action='add', attr=key, value=value)
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update.setdefault('updates', []).append(statement)
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def execute(self, **options):
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logger.debug("Upgrading unhashed password configuration")
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ldap = self.api.Backend.ldap2
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base_config = DN(('cn', 'config'))
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try:
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entry = ldap.get_entry(base_config,
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['nsslapd-unhashed-pw-switch'])
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except errors.NotFound:
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logger.error("Unhashed password configuration not found")
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return False, []
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config_dn = entry.dn
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toggle = entry.single_value.get("nsslapd-unhashed-pw-switch")
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if toggle.lower() not in ['off', 'on', 'nolog']:
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logger.error("Unhashed password had invalid value '%s'", toggle)
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# Check if it exists winsync agreements
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searchfilter = '(objectclass=nsDSWindowsReplicationAgreement)'
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try:
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winsync_agmts, _truncated = ldap.find_entries(
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base_dn=base_config,
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filter=searchfilter,
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attrs_list=[]
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)
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except errors.NotFound:
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logger.debug("Unhashed password this is not a winsync deployment")
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winsync_agmts = []
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update = {
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'dn': config_dn,
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'updates': [],
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}
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if len(winsync_agmts) > 0:
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# We are running in a winsync environment
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# Log a warning that changelog will contain sensitive data
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try:
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cldb_e = ldap.get_entry(
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DN(('cn', 'changelog5'),
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('cn', 'config')),
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['nsslapd-changelogdir'])
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cldb = cldb_e.single_value.get("nsslapd-changelogdir")
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logger.warning("This server is configured for winsync, "
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"the changelog files under %s "
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"may contain clear text passwords.\n"
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"Please ensure that these files can be accessed"
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" only by trusted accounts.\n", cldb)
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except errors.NotFound:
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logger.warning("This server is configured for winsync, "
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"the changelog files may contain "
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"clear text passwords.\n"
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"Please ensure that these files can be accessed"
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" only by trusted accounts.\n")
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if toggle.lower() == 'on':
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# The current DS configuration already logs the
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# unhashed password
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updates = []
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else:
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self.__remove_update(update, 'nsslapd-unhashed-pw-switch',
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toggle)
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self.__add_update(update, 'nsslapd-unhashed-pw-switch', 'on')
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updates = [update]
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else:
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if toggle.lower() == 'nolog':
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updates = []
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else:
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self.__remove_update(update, 'nsslapd-unhashed-pw-switch',
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toggle)
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self.__add_update(update, 'nsslapd-unhashed-pw-switch',
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'nolog')
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updates = [update]
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return False, updates
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