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730f33680b
Ticket: https://fedorahosted.org/freeipa/ticket/4670 Reviewed-By: Jan Cholasta <jcholast@redhat.com>
898 lines
33 KiB
Python
898 lines
33 KiB
Python
# Authors: Rob Crittenden <rcritten@redhat.com>
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#
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# Copyright (C) 2008 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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# Documentation can be found at http://freeipa.org/page/LdapUpdate
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# TODO
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# save undo files?
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import sys
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import uuid
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import platform
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import time
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import os
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import pwd
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import fnmatch
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import csv
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import re
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import krbV
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import ldap
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from ipaserver.install import installutils
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from ipapython import ipautil, ipaldap
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from ipalib import errors
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from ipalib import api
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from ipaplatform.paths import paths
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from ipapython.dn import DN
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from ipapython.ipa_log_manager import *
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from ipaserver.install.plugins import (PRE_UPDATE, POST_UPDATE,
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PRE_SCHEMA_UPDATE)
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from ipaserver.plugins import ldap2
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UPDATES_DIR=paths.UPDATES_DIR
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def connect(ldapi=False, realm=None, fqdn=None, dm_password=None, pw_name=None):
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"""Create a connection for updates"""
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if ldapi:
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conn = ipaldap.IPAdmin(ldapi=True, realm=realm, decode_attrs=False)
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else:
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conn = ipaldap.IPAdmin(fqdn, ldapi=False, realm=realm, decode_attrs=False)
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try:
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if dm_password:
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conn.do_simple_bind(binddn=DN(('cn', 'directory manager')),
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bindpw=dm_password)
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elif os.getegid() == 0:
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try:
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# autobind
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conn.do_external_bind(pw_name)
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except errors.NotFound:
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# Fall back
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conn.do_sasl_gssapi_bind()
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else:
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conn.do_sasl_gssapi_bind()
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except (ldap.CONNECT_ERROR, ldap.SERVER_DOWN):
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raise RuntimeError("Unable to connect to LDAP server %s" % fqdn)
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except ldap.INVALID_CREDENTIALS:
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raise RuntimeError(
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"The password provided is incorrect for LDAP server %s" % fqdn)
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except ldap.LOCAL_ERROR, e:
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raise RuntimeError('%s' % e.args[0].get('info', '').strip())
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return conn
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class BadSyntax(installutils.ScriptError):
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def __init__(self, value):
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self.value = value
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self.msg = "LDAPUpdate: syntax error: \n %s" % value
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self.rval = 1
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def __str__(self):
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return repr(self.value)
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def safe_output(attr, values):
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"""
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Sanitizes values we do not want logged, like passwords.
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This should be called in all debug statements that output values.
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This list does not necessarily need to be exhaustive given the limited
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scope of types of values that the updater manages.
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This only supports lists, tuples and strings. If you pass a dict you may
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get a string back.
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"""
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sensitive_attributes = ['krbmkey', 'userpassword', 'passwordhistory', 'krbprincipalkey', 'sambalmpassword', 'sambantpassword', 'ipanthash']
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if attr.lower() in sensitive_attributes:
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if type(values) in (tuple, list):
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# try to still look a little like what is in LDAP
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return ['XXXXXXX'] * len(values)
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else:
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return 'XXXXXXXX'
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else:
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return values
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class LDAPUpdate:
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action_keywords = ["default", "add", "remove", "only", "onlyifexist", "deleteentry", "replace", "addifnew", "addifexist"]
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def __init__(self, dm_password, sub_dict={}, live_run=True,
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online=True, ldapi=False, plugins=False):
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'''
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:parameters:
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dm_password
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Directory Manager password
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sub_dict
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substitution dictionary
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live_run
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Apply the changes or just test
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online
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Do an online LDAP update or use an experimental LDIF updater
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ldapi
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Bind using ldapi. This assumes autobind is enabled.
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plugins
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execute the pre/post update plugins
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Data Structure Example:
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-----------------------
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dn_by_rdn_count = {
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3: 'cn=config,dc=example,dc=com':
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4: 'cn=bob,ou=people,dc=example,dc=com',
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}
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all_updates = {
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'dn': 'cn=config,dc=example,dc=com':
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{
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'dn': 'cn=config,dc=example,dc=com',
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'default': ['attr1':default1'],
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'updates': ['action:attr1:value1',
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'action:attr2:value2]
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},
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'dn': 'cn=bob,ou=people,dc=example,dc=com':
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{
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'dn': 'cn=bob,ou=people,dc=example,dc=com',
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'default': ['attr3':default3'],
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'updates': ['action:attr3:value3',
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'action:attr4:value4],
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}
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}
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The default and update lists are "dispositions"
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'''
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log_mgr.get_logger(self, True)
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self.sub_dict = sub_dict
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self.live_run = live_run
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self.dm_password = dm_password
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self.conn = None
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self.modified = False
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self.online = online
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self.ldapi = ldapi
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self.plugins = plugins
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self.pw_name = pwd.getpwuid(os.geteuid()).pw_name
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self.realm = None
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suffix = None
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if sub_dict.get("REALM"):
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self.realm = sub_dict["REALM"]
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else:
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krbctx = krbV.default_context()
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try:
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self.realm = krbctx.default_realm
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suffix = ipautil.realm_to_suffix(self.realm)
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except krbV.Krb5Error:
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self.realm = None
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suffix = None
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if suffix is not None:
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assert isinstance(suffix, DN)
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domain = ipautil.get_domain_name()
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libarch = self._identify_arch()
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fqdn = installutils.get_fqdn()
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if fqdn is None:
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raise RuntimeError("Unable to determine hostname")
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fqhn = fqdn # Save this for the sub_dict variable
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if self.ldapi:
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fqdn = "ldapi://%%2fvar%%2frun%%2fslapd-%s.socket" % "-".join(
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self.realm.split(".")
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)
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if not self.sub_dict.get("REALM") and self.realm is not None:
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self.sub_dict["REALM"] = self.realm
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if not self.sub_dict.get("FQDN"):
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self.sub_dict["FQDN"] = fqhn
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if not self.sub_dict.get("DOMAIN"):
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self.sub_dict["DOMAIN"] = domain
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if not self.sub_dict.get("SUFFIX") and suffix is not None:
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self.sub_dict["SUFFIX"] = suffix
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if not self.sub_dict.get("ESCAPED_SUFFIX"):
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self.sub_dict["ESCAPED_SUFFIX"] = str(suffix)
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if not self.sub_dict.get("LIBARCH"):
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self.sub_dict["LIBARCH"] = libarch
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if not self.sub_dict.get("TIME"):
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self.sub_dict["TIME"] = int(time.time())
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if not self.sub_dict.get("DOMAIN") and domain is not None:
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self.sub_dict["DOMAIN"] = domain
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if online:
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# Try out the connection/password
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# (This will raise if the server is not available)
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self.create_connection()
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self.conn.unbind()
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self.conn = None
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else:
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raise RuntimeError("Offline updates are not supported.")
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# The following 2 functions were taken from the Python
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# documentation at http://docs.python.org/library/csv.html
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def _utf_8_encoder(self, unicode_csv_data):
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for line in unicode_csv_data:
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yield line.encode('utf-8')
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def _unicode_csv_reader(self, unicode_csv_data, quote_char="'", dialect=csv.excel, **kwargs):
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# csv.py doesn't do Unicode; encode temporarily as UTF-8:
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csv_reader = csv.reader(self._utf_8_encoder(unicode_csv_data),
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dialect=dialect, delimiter=',',
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quotechar=quote_char,
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skipinitialspace=True,
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**kwargs)
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for row in csv_reader:
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yield row
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def _identify_arch(self):
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"""On multi-arch systems some libraries may be in /lib64, /usr/lib64,
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etc. Determine if a suffix is needed based on the current
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architecture.
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"""
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bits = platform.architecture()[0]
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if bits == "64bit":
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return "64"
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else:
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return ""
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def _template_str(self, s):
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try:
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return ipautil.template_str(s, self.sub_dict)
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except KeyError, e:
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raise BadSyntax("Unknown template keyword %s" % e)
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def _parse_values(self, line):
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"""Parse a comma-separated string into separate values and convert them
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into a list. This should handle quoted-strings with embedded commas
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"""
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if line[0] == "'":
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quote_char = "'"
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else:
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quote_char = '"'
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reader = self._unicode_csv_reader([line], quote_char)
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value = []
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for row in reader:
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value = value + row
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return value
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def read_file(self, filename):
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if filename == '-':
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fd = sys.stdin
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else:
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fd = open(filename)
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text = fd.readlines()
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if fd != sys.stdin: fd.close()
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return text
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def _combine_updates(self, all_updates, update):
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'Combine a new update with the list of total updates'
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dn = update.get('dn')
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assert isinstance(dn, DN)
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if not all_updates.get(dn):
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all_updates[dn] = update
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return
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existing_update = all_updates[dn]
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if 'default' in update:
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disposition_list = existing_update.setdefault('default', [])
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disposition_list.extend(update['default'])
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elif 'updates' in update:
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disposition_list = existing_update.setdefault('updates', [])
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disposition_list.extend(update['updates'])
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else:
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self.debug("Unknown key in updates %s" % update.keys())
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def merge_updates(self, all_updates, updates):
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'''
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Add the new_update dict to the all_updates dict. If an entry
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in the new_update already has an entry in all_updates merge
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the two entries sensibly assuming the new entries take
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precedence. Otherwise just add the new entry.
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'''
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for new_update in updates:
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for new_dn, new_entry in new_update.iteritems():
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existing_entry = all_updates.get(new_dn)
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if existing_entry:
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# If the existing entry is marked for deletion but the
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# new entry is not also a delete then clear the delete
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# flag otherwise the newer update will be lost.
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if existing_entry.has_key('deleteentry') and not new_entry.has_key('deleteentry'):
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self.warning("ldapupdate: entry '%s' previously marked for deletion but" +
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" this subsequent update reestablishes it: %s", new_dn, new_entry)
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del existing_entry['deleteentry']
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existing_entry.update(new_entry)
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else:
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all_updates[new_dn] = new_entry
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def parse_update_file(self, data_source_name, source_data, all_updates):
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"""Parse the update file into a dictonary of lists and apply the update
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for each DN in the file."""
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update = {}
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logical_line = ""
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action = ""
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dn = None
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lcount = 0
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def emit_item(logical_line):
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'''
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Given a logical line containing an item to process perform the following:
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* Strip leading & trailing whitespace
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* Substitute any variables
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* Get the action, attribute, and value
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* Each update has one list per disposition, append to specified disposition list
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'''
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logical_line = logical_line.strip()
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if logical_line == '':
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return
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# Perform variable substitution on constructued line
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logical_line = self._template_str(logical_line)
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items = logical_line.split(':', 2)
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if len(items) == 0:
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raise BadSyntax, "Bad formatting on line %s:%d: %s" % (data_source_name, lcount, logical_line)
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action = items[0].strip().lower()
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if action not in self.action_keywords:
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raise BadSyntax, "Unknown update action '%s', data source=%s" % (action, data_source_name)
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if action == 'deleteentry':
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new_value = None
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disposition = "deleteentry"
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else:
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if len(items) != 3:
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raise BadSyntax, "Bad formatting on line %s:%d: %s" % (data_source_name, lcount, logical_line)
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attr = items[1].strip()
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value = items[2].strip()
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if action == "default":
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new_value = attr + ":" + value
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disposition = "default"
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else:
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new_value = action + ":" + attr + ":" + value
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disposition = "updates"
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disposition_list = update.setdefault(disposition, [])
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disposition_list.append(new_value)
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def emit_update(update):
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'''
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When processing a dn is completed emit the update by merging it into
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the set of all updates.
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'''
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self._combine_updates(all_updates, update)
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# Iterate over source input lines
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for source_line in source_data:
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lcount += 1
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# strip trailing whitespace and newline
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source_line = source_line.rstrip()
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# skip comments and empty lines
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if source_line.startswith('#') or source_line == '':
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continue
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if source_line.lower().startswith('dn:'):
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# Starting new dn
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if dn is not None:
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# Emit previous dn
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emit_item(logical_line)
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logical_line = ''
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emit_update(update)
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update = {}
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dn = source_line[3:].strip()
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dn = DN(self._template_str(dn))
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update['dn'] = dn
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else:
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# Process items belonging to dn
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if dn is None:
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raise BadSyntax, "dn is not defined in the update, data source=%s" % (data_source_name)
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# If continuation line, append to existing logical line & continue,
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# otherwise flush the previous item.
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if source_line.startswith(' '):
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logical_line += source_line[1:]
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continue
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else:
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emit_item(logical_line)
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logical_line = ''
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logical_line = source_line
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if dn is not None:
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emit_item(logical_line)
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logical_line = ''
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emit_update(update)
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update = {}
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return all_updates
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def create_index_task(self, attribute):
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"""Create a task to update an index for an attribute"""
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# Sleep a bit to ensure previous operations are complete
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if self.live_run:
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time.sleep(5)
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cn_uuid = uuid.uuid1()
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# cn_uuid.time is in nanoseconds, but other users of LDAPUpdate expect
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# seconds in 'TIME' so scale the value down
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self.sub_dict['TIME'] = int(cn_uuid.time/1e9)
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cn = "indextask_%s_%s_%s" % (attribute, cn_uuid.time, cn_uuid.clock_seq)
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dn = DN(('cn', cn), ('cn', 'index'), ('cn', 'tasks'), ('cn', 'config'))
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e = self.conn.make_entry(
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dn,
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objectClass=['top', 'extensibleObject'],
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cn=[cn],
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nsInstance=['userRoot'],
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nsIndexAttribute=[attribute],
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)
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self.info("Creating task to index attribute: %s", attribute)
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self.debug("Task id: %s", dn)
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if self.live_run:
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self.conn.add_entry(e)
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return dn
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def monitor_index_task(self, dn):
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"""Give a task DN monitor it and wait until it has completed (or failed)
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"""
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assert isinstance(dn, DN)
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if not self.live_run:
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# If not doing this live there is nothing to monitor
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return
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# Pause for a moment to give the task time to be created
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time.sleep(1)
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attrlist = ['nstaskstatus', 'nstaskexitcode']
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entry = None
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while True:
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try:
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entry = self.conn.get_entry(dn, attrlist)
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except errors.NotFound, e:
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self.error("Task not found: %s", dn)
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return
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except errors.DatabaseError, e:
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self.error("Task lookup failure %s", e)
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return
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status = entry.single_value.get('nstaskstatus')
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if status is None:
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# task doesn't have a status yet
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time.sleep(1)
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continue
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if status.lower().find("finished") > -1:
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self.info("Indexing finished")
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break
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self.debug("Indexing in progress")
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time.sleep(1)
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return
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def _create_default_entry(self, dn, default):
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"""Create the default entry from the values provided.
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The return type is ipaldap.LDAPEntry
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"""
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assert isinstance(dn, DN)
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entry = self.conn.make_entry(dn)
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if not default:
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# This means that the entire entry needs to be created with add
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return entry
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for item in default:
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# We already do syntax-parsing so this is safe
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(attr, value) = item.split(':',1)
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e = entry.get(attr)
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if e:
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|
# multi-valued attribute
|
|
e = list(e)
|
|
e.append(value)
|
|
else:
|
|
e = [value]
|
|
entry[attr] = e
|
|
entry.reset_modlist()
|
|
|
|
return entry
|
|
|
|
def _get_entry(self, dn):
|
|
"""Retrieve an object from LDAP.
|
|
|
|
The return type is ipaldap.LDAPEntry
|
|
"""
|
|
assert isinstance(dn, DN)
|
|
searchfilter="objectclass=*"
|
|
sattrs = ["*", "aci", "attributeTypes", "objectClasses"]
|
|
scope = ldap.SCOPE_BASE
|
|
|
|
return self.conn.get_entries(dn, scope, searchfilter, sattrs)
|
|
|
|
def _apply_update_disposition(self, updates, entry):
|
|
"""
|
|
updates is a list of changes to apply
|
|
entry is the thing to apply them to
|
|
|
|
Returns the modified entry
|
|
"""
|
|
if not updates:
|
|
return entry
|
|
|
|
only = {}
|
|
for update in updates:
|
|
# We already do syntax-parsing so this is safe
|
|
(action, attr, update_values) = update.split(':',2)
|
|
update_values = self._parse_values(update_values)
|
|
entry_values = entry.get(attr, [])
|
|
for update_value in update_values:
|
|
if action == 'remove':
|
|
self.debug("remove: '%s' from %s, current value %s", safe_output(attr, update_value), attr, safe_output(attr,entry_values))
|
|
try:
|
|
entry_values.remove(update_value)
|
|
except ValueError:
|
|
self.warning("remove: '%s' not in %s", update_value, attr)
|
|
pass
|
|
entry[attr] = entry_values
|
|
self.debug('remove: updated value %s', safe_output(attr, entry_values))
|
|
elif action == 'add':
|
|
self.debug("add: '%s' to %s, current value %s", safe_output(attr, update_value), attr, safe_output(attr, entry_values))
|
|
# Remove it, ignoring errors so we can blindly add it later
|
|
try:
|
|
entry_values.remove(update_value)
|
|
except ValueError:
|
|
pass
|
|
entry_values.append(update_value)
|
|
self.debug('add: updated value %s', safe_output(attr, entry_values))
|
|
entry[attr] = entry_values
|
|
elif action == 'addifnew':
|
|
self.debug("addifnew: '%s' to %s, current value %s", safe_output(attr, update_value), attr, safe_output(attr, entry_values))
|
|
# Only add the attribute if it doesn't exist. Only works
|
|
# with single-value attributes.
|
|
if len(entry_values) == 0:
|
|
entry_values.append(update_value)
|
|
self.debug('addifnew: set %s to %s', attr, safe_output(attr, entry_values))
|
|
entry[attr] = entry_values
|
|
elif action == 'addifexist':
|
|
self.debug("addifexist: '%s' to %s, current value %s", safe_output(attr, update_value), attr, safe_output(attr, entry_values))
|
|
# Only add the attribute if the entry doesn't exist. We
|
|
# determine this based on whether it has an objectclass
|
|
if entry.get('objectclass'):
|
|
entry_values.append(update_value)
|
|
self.debug('addifexist: set %s to %s', attr, safe_output(attr, entry_values))
|
|
entry[attr] = entry_values
|
|
elif action == 'only':
|
|
self.debug("only: set %s to '%s', current value %s", attr, safe_output(attr, update_value), safe_output(attr, entry_values))
|
|
if only.get(attr):
|
|
entry_values.append(update_value)
|
|
else:
|
|
entry_values = [update_value]
|
|
only[attr] = True
|
|
entry[attr] = entry_values
|
|
self.debug('only: updated value %s', safe_output(attr, entry_values))
|
|
elif action == 'onlyifexist':
|
|
self.debug("onlyifexist: '%s' to %s, current value %s", safe_output(attr, update_value), attr, safe_output(attr, entry_values))
|
|
# Only set the attribute if the entry exist's. We
|
|
# determine this based on whether it has an objectclass
|
|
if entry.get('objectclass'):
|
|
if only.get(attr):
|
|
entry_values.append(update_value)
|
|
else:
|
|
entry_values = [update_value]
|
|
only[attr] = True
|
|
self.debug('onlyifexist: set %s to %s', attr, safe_output(attr, entry_values))
|
|
entry[attr] = entry_values
|
|
elif action == 'deleteentry':
|
|
# skip this update type, it occurs in __delete_entries()
|
|
return None
|
|
elif action == 'replace':
|
|
# value has the format "old::new"
|
|
try:
|
|
(old, new) = update_value.split('::', 1)
|
|
except ValueError:
|
|
raise BadSyntax, "bad syntax in replace, needs to be in the format old::new in %s" % update_value
|
|
try:
|
|
entry_values.remove(old)
|
|
except ValueError:
|
|
self.debug('replace: %s not found, skipping', safe_output(attr, old))
|
|
else:
|
|
entry_values.append(new)
|
|
self.debug('replace: updated value %s', safe_output(attr, entry_values))
|
|
entry[attr] = entry_values
|
|
|
|
return entry
|
|
|
|
def print_entity(self, e, message=None):
|
|
"""The entity object currently lacks a str() method"""
|
|
self.debug("---------------------------------------------")
|
|
if message:
|
|
self.debug("%s", message)
|
|
self.debug("dn: %s", e.dn)
|
|
for a, value in e.items():
|
|
self.debug('%s:', a)
|
|
for l in value:
|
|
self.debug("\t%s", safe_output(a, l))
|
|
|
|
def _update_record(self, update):
|
|
found = False
|
|
|
|
# If the entry is going to be deleted no point in processing it.
|
|
if update.has_key('deleteentry'):
|
|
return
|
|
|
|
new_entry = self._create_default_entry(update.get('dn'),
|
|
update.get('default'))
|
|
|
|
try:
|
|
e = self._get_entry(new_entry.dn)
|
|
if len(e) > 1:
|
|
# we should only ever get back one entry
|
|
raise BadSyntax, "More than 1 entry returned on a dn search!? %s" % new_entry.dn
|
|
entry = e[0]
|
|
found = True
|
|
self.info("Updating existing entry: %s", entry.dn)
|
|
except errors.NotFound:
|
|
# Doesn't exist, start with the default entry
|
|
entry = new_entry
|
|
self.info("New entry: %s", entry.dn)
|
|
except errors.DatabaseError:
|
|
# Doesn't exist, start with the default entry
|
|
entry = new_entry
|
|
self.info("New entry, using default value: %s", entry.dn)
|
|
|
|
self.print_entity(entry, "Initial value")
|
|
|
|
# Bring this entry up to date
|
|
entry = self._apply_update_disposition(update.get('updates'), entry)
|
|
if entry is None:
|
|
# It might be None if it is just deleting an entry
|
|
return
|
|
|
|
self.print_entity(entry, "Final value after applying updates")
|
|
|
|
added = False
|
|
updated = False
|
|
if not found:
|
|
try:
|
|
if self.live_run:
|
|
if len(entry):
|
|
# addifexist may result in an entry with only a
|
|
# dn defined. In that case there is nothing to do.
|
|
# It means the entry doesn't exist, so skip it.
|
|
try:
|
|
self.conn.add_entry(entry)
|
|
except errors.NotFound:
|
|
# parent entry of the added entry does not exist
|
|
# this may not be an error (e.g. entries in NIS container)
|
|
self.info("Parent DN of %s may not exist, cannot create the entry",
|
|
entry.dn)
|
|
return
|
|
added = True
|
|
self.modified = True
|
|
except Exception, e:
|
|
self.error("Add failure %s", e)
|
|
else:
|
|
# Update LDAP
|
|
try:
|
|
changes = entry.generate_modlist()
|
|
if len(changes) >= 1:
|
|
updated = True
|
|
safe_changes = []
|
|
for (type, attr, values) in changes:
|
|
safe_changes.append((type, attr, safe_output(attr, values)))
|
|
self.debug("%s" % safe_changes)
|
|
self.debug("Live %d, updated %d" % (self.live_run, updated))
|
|
if self.live_run and updated:
|
|
self.conn.update_entry(entry)
|
|
self.info("Done")
|
|
except errors.EmptyModlist:
|
|
self.info("Entry already up-to-date")
|
|
updated = False
|
|
except errors.DatabaseError, e:
|
|
self.error("Update failed: %s", e)
|
|
updated = False
|
|
except errors.ACIError, e:
|
|
self.error("Update failed: %s", e)
|
|
updated = False
|
|
|
|
if updated:
|
|
self.modified = True
|
|
|
|
if entry.dn.endswith(DN(('cn', 'index'), ('cn', 'userRoot'),
|
|
('cn', 'ldbm database'), ('cn', 'plugins'),
|
|
('cn', 'config'))) and (added or updated):
|
|
taskid = self.create_index_task(entry.single_value['cn'])
|
|
self.monitor_index_task(taskid)
|
|
return
|
|
|
|
def _delete_record(self, updates):
|
|
"""
|
|
Run through all the updates again looking for any that should be
|
|
deleted.
|
|
|
|
This must use a reversed list so that the longest entries are
|
|
considered first so we don't end up trying to delete a parent
|
|
and child in the wrong order.
|
|
"""
|
|
|
|
if not updates.has_key('deleteentry'):
|
|
return
|
|
|
|
dn = updates['dn']
|
|
try:
|
|
self.info("Deleting entry %s", dn)
|
|
if self.live_run:
|
|
self.conn.delete_entry(dn)
|
|
self.modified = True
|
|
except errors.NotFound, e:
|
|
self.info("%s did not exist:%s", dn, e)
|
|
self.modified = True
|
|
except errors.DatabaseError, e:
|
|
self.error("Delete failed: %s", e)
|
|
|
|
def get_all_files(self, root, recursive=False):
|
|
"""Get all update files"""
|
|
f = []
|
|
for path, subdirs, files in os.walk(root):
|
|
for name in files:
|
|
if fnmatch.fnmatch(name, "*.update"):
|
|
f.append(os.path.join(path, name))
|
|
if not recursive:
|
|
break
|
|
f.sort()
|
|
return f
|
|
|
|
def create_connection(self):
|
|
if self.online:
|
|
self.conn = connect(
|
|
ldapi=self.ldapi, realm=self.realm, fqdn=self.sub_dict['FQDN'],
|
|
dm_password=self.dm_password, pw_name=self.pw_name)
|
|
else:
|
|
raise RuntimeError("Offline updates are not supported.")
|
|
|
|
def _run_updates(self, all_updates):
|
|
# For adds and updates we want to apply updates from shortest
|
|
# to greatest length of the DN.
|
|
# For deletes we want the reverse
|
|
def update_sort_key(dn_update):
|
|
dn, update = dn_update
|
|
assert isinstance(dn, DN)
|
|
return len(dn)
|
|
|
|
sorted_updates = sorted(all_updates.iteritems(), key=update_sort_key)
|
|
|
|
for dn, update in sorted_updates:
|
|
self._update_record(update)
|
|
|
|
# Now run the deletes in reversed order
|
|
sorted_updates.reverse()
|
|
for dn, update in sorted_updates:
|
|
self._delete_record(update)
|
|
|
|
def pre_schema_update(self, ordered=False):
|
|
"""Execute the update before the LDPA schema is updated.
|
|
"""
|
|
if self.plugins:
|
|
self.info('PRE_SCHEMA_UPDATE')
|
|
all_updates = {}
|
|
updates = api.Backend.updateclient.update(PRE_SCHEMA_UPDATE, self.dm_password, self.ldapi, self.live_run)
|
|
self.merge_updates(all_updates, updates)
|
|
self._run_updates(all_updates)
|
|
|
|
return self.modified
|
|
|
|
def update(self, files, ordered=False):
|
|
"""Execute the update. files is a list of the update files to use.
|
|
|
|
If ordered is True then the updates the file must be of the form
|
|
##-name.update where ## is an integer between 10 and 89. The
|
|
changes are applied to LDAP at the end of each value divisible
|
|
by 10, so after 20, 30, etc.
|
|
|
|
returns True if anything was changed, otherwise False
|
|
"""
|
|
|
|
pat = re.compile(r'(\d+)-.*\.update')
|
|
all_updates = {}
|
|
r = 20
|
|
if self.plugins:
|
|
self.info('PRE_UPDATE')
|
|
updates = api.Backend.updateclient.update(PRE_UPDATE, self.dm_password, self.ldapi, self.live_run)
|
|
self.merge_updates(all_updates, updates)
|
|
try:
|
|
self.create_connection()
|
|
if ordered and all_updates:
|
|
# flush out PRE_UPDATE plugin updates before we begin
|
|
self._run_updates(all_updates)
|
|
all_updates = {}
|
|
|
|
for f in files:
|
|
name = os.path.basename(f)
|
|
if ordered:
|
|
m = pat.match(name)
|
|
if not m:
|
|
raise RuntimeError("Filename does not match format #-name.update: %s" % f)
|
|
index = int(m.group(1))
|
|
if index < 10 or index > 90:
|
|
raise RuntimeError("Index not legal range: %d" % index)
|
|
|
|
if index >= r:
|
|
self._run_updates(all_updates)
|
|
all_updates = {}
|
|
r += 10
|
|
|
|
try:
|
|
self.info("Parsing update file '%s'" % f)
|
|
data = self.read_file(f)
|
|
except Exception, e:
|
|
self.error("error reading update file '%s'", f)
|
|
sys.exit(e)
|
|
|
|
self.parse_update_file(f, data, all_updates)
|
|
|
|
self._run_updates(all_updates)
|
|
finally:
|
|
if self.conn: self.conn.unbind()
|
|
|
|
if self.plugins:
|
|
self.info('POST_UPDATE')
|
|
all_updates = {}
|
|
updates = api.Backend.updateclient.update(POST_UPDATE, self.dm_password, self.ldapi, self.live_run)
|
|
self.merge_updates(all_updates, updates)
|
|
self._run_updates(all_updates)
|
|
|
|
return self.modified
|
|
|
|
|
|
def update_from_dict(self, updates):
|
|
"""
|
|
Apply updates internally as opposed to from a file.
|
|
updates is a dictionary containing the updates
|
|
"""
|
|
if not self.conn:
|
|
self.create_connection()
|
|
|
|
self._run_updates(updates)
|
|
|
|
return self.modified
|
|
|
|
def close_connection(self):
|
|
"""Close ldap connection"""
|
|
if self.conn:
|
|
self.conn.unbind()
|
|
self.conn = None
|