From df251b1c38e43f43f3cb4cb49b131a975464521e Mon Sep 17 00:00:00 2001
From: Frederik Lindenaar <frederik@lindenaar.nl>
Date: Sat, 22 Sep 2018 00:52:34 +0200
Subject: [PATCH] initial checkin / version
---
LICENSE.txt | 674 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
README.md | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
freeipa-dns.py | 597 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
users2freeipa.py | 632 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 2061 insertions(+), 0 deletions(-)
create mode 100644 LICENSE.txt
create mode 100644 README.md
create mode 100755 freeipa-dns.py
create mode 100755 users2freeipa.py
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,674 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
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+ 15. Disclaimer of Warranty.
+
+ THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. Limitation of Liability.
+
+ IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+ 17. Interpretation of Sections 15 and 16.
+
+ If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+ If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+ <program> Copyright (C) <year> <name of author>
+ This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+ You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+ The GNU General Public License does not permit incorporating your program
+into proprietary programs. If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License. But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5c54b66
--- /dev/null
+++ b/README.md
@@ -0,0 +1,158 @@
+FreeIPA Scripts
+===============
+This repository contains a small collection of scripts written to migrate my
+existing LDAP/DNS setup (MacOS Server) to [FreeIPA](https://www.freeipa.org)
+and manage my setup afterwards. These scripts provide functionality unavailable
+in the FreeIPA command line tools. They use the FreeIPA API as much as possible
+as I didn't like the provided alternatives for migration to directly update the
+FreeIPA LDAP database. Most of these script / commands are meant to synchronize
+between an existing situation and FreeIPA and are safe to run multiple times.
+As side-effect, this also makes them suitable to support a gradual migration
+over time (where a source system is still in production until final cut-over)
+
+The latest versions, documentation and a bug tracker are available on my
+[GitLab instance](https://gitlab.lindenaar.net/scripts/freeipa)
+
+Copyright (c) 2018 Frederik Lindenaar. free for distribution under the GNU
+General Public License, see [below](#license)
+
+Contents
+========
+This repository contains the following scripts:
+ * [users2freeipa.py](#users2freeipa)
+ is a migration script to transfer/synchronize LDAP users to/with FreeIPA
+ * [freeipa-dns.py](#freeipadns)
+ is a script providing functionality not available in FreeIPA itself to
+ migrate/synchronize and maintain DNS zones in FreeIPA
+
+
+<a name=users2freeipa>users2freeipa.py</a>
+---------------------------------------------
+This script uses LDAP to obtain users from a MacOS Server (or other LDAP)
+server and synchronizes the results with the users registered in FreeIPA.
+Since it synchronizes data it is safe to run multiple times and users can be
+imported also as stage users initially.
+
+The intent is to migrate user data and to not drag on a legacy setup. For
+this reason, the script will create new user and group IDs and not copy homedir
+and shell information by default. For the IDs, the legacy information can be
+stored in an FreeIPA ID View so it remains available, other items can be copied
+over using command line options. Passwords can be copied-over (if available in
+a usable format), and the script also supports having FreeIPA generate random
+passwords and store these in a file for further processing/sharing with users.
+
+Users can be copied from an existing (generic) LDAP database and a MacOS Server
+OpenDirectory-flavor LDAP server. In this case, additional information (e.g.
+Apple's generatedUID) will be copied over as well. Please note that this does
+require customizing the FreeIPA LDAP schema, which the script will check for
+and can install (option ```-U```). As the setup is modular it should be easy
+to tweak or add other migrations.
+
+By default all users will be migrated/synchronized, but it is also possible to
+limit this to specific user(s) or group(s) or specifically exclude specific
+users or groups. An example to copy all users in the group ```workgroup```
+except ```admin``` from an Apple MacOS OpenDirectory server:
+~~~
+./users2freeipa.py -v -O -U -c "Legacy LDAP" -g workgroup -x admin -G \
+ -P -p passwords.txt ldap://ldap.mydomain.tld
+~~~
+This will also install the OpenDirectory-specific schema customization, create
+groups and copy group memberships, copy usuable passwords and ensure that all
+users have a password (storing generated passwords to ```passwords.txt```)
+
+Before running a production user migration, it is important to have FreeIPA
+setup and configured correctly so that the right defaults are used for new
+users. Best is to start with a single user and add that as a stage user (please
+note that this will not yet assign userIDs, group memberships and a password
+as FreeIPA does not yet support that) and use an ID View to store legacy data.
+
+For all available command-line options, run ```users2freeipa.py -h```
+
+
+<a name=freeipadns>freeipa-dns.py</a>
+----------------------------------------------------------------
+This script provides functionality not provided by FreeIPA to migrate and/or
+synchronize / maintain DNS data in FreeIPA. Currently the following commands
+are implemented:
+ * axfr - import/synchronize a DNS zone in FreeIPA using a zone-xfer.
+ for example, to migrate / synchronize fromain ```domain.tld``` from DNS
+ server ```192.168.1.53``` without checking DNS overlap, issue the command:
+ ~~~
+ ./freeipa-dns.py -v axfr -T 172.1.2.53 -n -f none 192.168.1.53 domain.tld
+ ~~~
+ in addition, this will ensure zone-xfers are allowed from ```172.1.2.53```
+ and disable forwarding in FreeIPA.
+ * copy - copy a DNS record in FreeIPA within or between zones
+ for example, to copy ```A``` and ```AAAA``` from host ```wwww.domain.tld```
+ to the domain ```domain.tld``` itself, issue the command:
+ ~~~
+ ./freeipa-dns.py -v copy -l A AAAA wwww.domain.tld -T domain.tld
+ ~~~
+ * move - move a DNS record in FreeIPA from one one to another
+ for example, to move ```host1.int``` in zone ```domain.tld``` to ```host```
+ in zone ```int.domain.tld``` issue the command:
+ ~~~
+ ./freeipa-dns.py -v move -z domain.tld host.int host.int.domain.tld
+ ~~~
+ * serial - update (set) zone serial(s) in FreeIPA, supporting both RFC1912
+ style serials (YYYYMMDD##) based on current date and setting the serial to
+ a specific value. To set the serial of a zone to revision 2 of today for
+ zones ```zone1.mydomain.tld``` and ```zone2.mydomain.tld```, run:
+ ~~~~
+ ./freeipa-dns.py -v serial -t 2 zone1.mydomain.tld zone2.mydomain.tld
+ ~~~~
+ by default this command will set the serial to a larger value (which can be
+ overridden with the ```-f```/```--force``` flag)
+ * generate - generate number-range DNS records/attributes in FreeIPA
+ This is meant to generate series of hosts or attributes, for example, to
+ generate hosts ```dhcp-01``` to ```dhcp-10``` in zone ```int.mydomain.tld```
+ with ip addresses starting from ```192.168.2.100``` issue to command:
+ ~~~
+ ./freeipa-dns.py -v generate int.mydomain.tld dhcp-%02d -4 192.168.2.100 \
+ --auto-increment-a -n 5
+ ~~~
+ it can also be used to generate a farm of web servers in different subnets
+ with the command:
+ ~~~
+ ./freeipa-dns.py -v generate int.mydomain.tld www -4 192.168.%d.80 -n 5
+ ~~~
+ * reverse-ptr - create/update reverse DNS (PTR) entries in FreeIPA
+ With this command reverse-zones can be automatically maintained. it scans
+ the zones in FreeIPA for ```A``` and ```AAAA``` records and creates the
+ corresponding records in the ```in-addr.arpa``` and ```ip6.arpa``` zones.
+ The reverse zones must exist, and can also be created with this command by:
+ ~~~
+ ./freeipa-dns.py -v reverse-ptr -n -p -c 10. 10.100 192.168 2001:0db8:85a3
+ ~~~
+ which will create the reverse zones for prefixes 10.* 10.100.* 192.168.*
+ and ipv6 prefix 2001:0db8:85a3. Reverse (PTR) records will automatically be
+ created in the correct zone with the following command:
+ ~~~
+ ./freeipa-dns.py -v reverse-ptr -a
+ ~~~
+ by default, the command will not overwrite existing records, (which can be
+ overridden with the ```-o```/```--override``` flag). To force a PTR record
+ to point to a specific host, e.g. ```www.mydomain.tld``` run the command:
+ ~~~
+ ./freeipa-dns.py -v reverse-ptr -o -z mydomain.tld -H www
+ ~~~
+
+for available commands run ```freeipa-dns.py -h``` and to get an overview of
+the available options for each commmand run ```freeipa-dns.py <command> -h```
+
+
+<a name="license">License</a>
+-----------------------------
+These scripts, documentation & configration examples are free software: you can
+redistribute and/or modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation, either version 3 of the License,
+or (at your option) any later version.
+
+This script, documenatation and configuration examples are distributed in the
+hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, download it from <http://www.gnu.org/licenses/>.
+
diff --git a/freeipa-dns.py b/freeipa-dns.py
new file mode 100755
index 0000000..ed777a0
--- /dev/null
+++ b/freeipa-dns.py
@@ -0,0 +1,597 @@
+#! /usr/bin/env python3
+#
+# freeipa-dns.py - python script to migrate and maintain DNS domains in FreeIPA
+#
+# Version 1.0, latest version, documentation and bugtracker available at:
+# https://gitlab.lindenaar.net/scripts/freeipa
+#
+# Copyright (c) 2018 Frederik Lindenaar
+#
+# This script is free software,you can redistribute and/or modify it under the
+# terms of version 3 of the GNU General Public License as published by the Free
+# Software Foundation, or (at your option) any later version of the license.
+#
+# This script is distributed in the hope that it will be useful but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program. If not, visit <http://www.gnu.org/licenses/> to download it.
+
+"""
+migrate/synchronize and maintain DNS domain(s) with FreeIPA.
+
+This script provides functionality not provided by FreeIPA to migrate and/or
+synchronize / maintain DNS data in FreeIPA. Currently the following commands
+are implemented:
+ axfr import/synchronize a DNS zone in FreeIPA using a zone-xfer
+ copy copy a DNS record in FreeIPA within or between zones
+ move move a DNS record in FreeIPA from one one to another
+ serial update (set) zone serial(s) in FreeIPA
+ generate generate number-range DNS records/attributes in FreeIPA
+ reverse-ptr create/update reverse DNS (PTR) entries in FreeIPA
+
+for available commands run 'freeipa-dns.py -h and to get an overview of
+the available options for each commmand run 'freeipa-dns.py <command> -h'
+"""
+
+import os, logging
+from datetime import date
+from argparse import ArgumentParser, FileType, \
+ _StoreAction as StoreAction, _StoreConstAction as StoreConstAction
+
+import dns.query
+import dns.zone
+from dns.rdatatype import SOA, HINFO
+from dns.exception import DNSException
+
+from ipalib import api
+from ipalib.errors import PublicError, AuthenticationError, NotFound
+
+
+VERSION="1.0"
+PROG_NAME=os.path.splitext(os.path.basename(__file__))[0]
+PROG_VERSION=PROG_NAME + ' ' + VERSION
+LOG_FORMAT='%(levelname)s - %(message)s'
+LOG_FORMAT_FILE='%(asctime)s - ' + LOG_FORMAT
+
+logger = logging.getLogger(PROG_NAME)
+
+
+##################[ Action to immediately set the log level ]##################
+class SetLogLevel(StoreConstAction):
+ """ArgumentParser action to set log level to provided const value"""
+ def __call__(self, parser, namespace, values, option_string=None):
+ logging.getLogger(PROG_NAME).setLevel(self.const)
+
+####################[ Action to immediately log to a file ]####################
+class SetLogFile(StoreAction):
+ """ArgumentParser action to log to file (sets up FileHandler accordingly)"""
+ def __call__(self, parser, namespace, values, option_string=None):
+ super(SetLogFile, self).__call__(parser,namespace,values,option_string)
+ formatter = logging.Formatter(LOG_FORMAT_FILE)
+ handler = logging.FileHandler(values)
+ handler.setFormatter(formatter)
+ logger = logging.getLogger(PROG_NAME)
+ logger.propagate = False
+ logger.addHandler(handler)
+
+def get_zone_opts(args):
+ return {
+ 'dnsttl': None if args.ttl is None else str(args.ttl),
+ 'dnsdefaultttl': None if args.default_ttl is None else str(args.default_ttl),
+ 'idnsforwardpolicy':args.forward_policy,
+ 'idnsforwarders': args.forwarder,
+ 'idnsallowquery': ';'.join(args.allow_query)+';' if args.allow_query else None,
+ 'idnsallowtransfer':';'.join(args.allow_transfer)+';' if args.allow_transfer else None,
+ 'idnsallowsyncptr': args.create_reverse_ptr,
+ }, {
+ 'skip_nameserver_check':args.no_ns_check,
+ 'skip_overlap_check': args.no_ns_check,
+ }, {
+ 'force': args.no_ns_check,
+ }
+
+############################[ AXFR implementation ]############################
+def process_zone(api, dnszone, args):
+ """Process a single DNS Zone and synchronize with FreeIPA using its API"""
+ domain = args.merge_zone if args.merge_zone else str(dnszone.origin)
+ logger.info('processing DNS domain %s to %s', str(dnszone.origin), domain)
+ soa_data = dnszone.get_rdataset(dnszone.origin, SOA)[0]
+ zone_opts, add_opts, mod_opts = get_zone_opts(args)
+ try:
+ ipa_data = api.Command.dnszone_show(domain, all=True)['result']
+ updates = { key: str(soa_value) for key, ipa_value in (
+ (k, v[0]) for k,v in ipa_data.items() if k.startswith('idnssoa')
+ ) for soa_value in ( getattr(soa_data, key[7:]), )
+ if ( int(soa_value) > int(ipa_value) if key == 'idnssoaserial'
+ else str(soa_value) != str(ipa_value) )
+ }
+ updates.update((key, value) for key,value in zone_opts.items()
+ if value is not None and not (key in ipa_data and
+ value in ipa_data[key] if isinstance(value, str)
+ else set(value).issubset(ipa_data.get(key))))
+ if updates:
+ logger.info('updating existing domain %s in FreeIPA', domain)
+ logger.debug('updating domain %s with %s', domain, updates)
+ api.Command.dnszone_mod(domain, **mod_opts, **updates)
+ else:
+ logger.debug('no updates for existing domain %s in FreeIPA', domain)
+ except NotFound:
+ logger.info('creating new domain %s in FreeIPA', domain)
+ response = api.Command.dnszone_add(domain, **zone_opts, **add_opts, **{
+ 'idnssoa'+key: str(getattr(soa_data, key)) for key in [
+ 'mname','rname','serial','refresh','retry','expire','minimum']})
+ print(response)
+
+ api.Command.dnsrecord_del(domain, '@',
+ nsrecord=response['result']['nsrecord'])
+
+ recordname = lambda x: dns.rdatatype.to_text(x.rdtype).lower()+'record'
+ optionchecks = tuple((key, datafield) for key, argopt, datafield in (
+ ('force', 'no_ns_check', 'nsrecord'),
+ ('a_extra_create_reverse', 'create_reverse_ptr', 'arecord'),
+ ('aaaa_extra_create_reverse', 'create_reverse_ptr', 'aaaarecord')
+ ) if getattr(args, argopt) )
+ options = lambda data: { k: True for k, f in optionchecks if f in data }
+ for rname, rdataset in dnszone.items():
+ name = str(rname)
+ dns_data = { recordname(rdatas[0]): tuple(map(str, rdatas))
+ for rdatas in rdataset.rdatasets
+ if rdatas[0].rdtype not in (SOA, HINFO) }
+ try:
+ ipa_data = api.Command.dnsrecord_show(domain, name)['result']
+ dns_data={ key: value for key, value in dns_data.items() if not (
+ key in ipa_data and set(value).issubset(ipa_data[key]))}
+ if dns_data:
+ logger.info('updating %s in domain %s in FreeIPA', name, domain)
+ except NotFound:
+ logger.info('adding %s to domain %s in FreeIPA', name, domain)
+ finally:
+ if dns_data:
+ dns_data.update(options(dns_data))
+ logger.debug(dns_data)
+ api.Command.dnsrecord_add(domain, name, **dns_data)
+ else:
+ logger.debug('no updates for entry %s', name)
+
+def axfr(api, args):
+ for domain in args.dnszone:
+ logger.info('performing zone-xfer for domain %s', domain)
+ axfr_request = dns.query.xfr(args.dnsserver, domain,
+ source=args.source_address, relativize=args.relativize)
+ dnszone = dns.zone.from_xfr(axfr_request, relativize=args.relativize)
+ process_zone(api, dnszone, args)
+
+
+############################[ COPY implementation ]############################
+def copy(api, args, remove=False):
+ """Copy a DNS Record in FreeIPA and optionally remove the source values"""
+ src_record, src_zone = ('@', args.source_record) if args.source_zone else \
+ (args.source_record, args.source_zone_name) if args.source_zone_name else \
+ args.source_record.split('.', 1)
+ dst_record, dst_zone = ('@', args.target_record) if args.target_zone else \
+ (args.target_record, args.target_zone_name) if args.target_zone_name else \
+ args.target_record.split('.', 1)
+
+ logger.debug('%s %s in %s to %s in %s', 'Moving' if remove else 'Copying',
+ src_record, src_zone, dst_record, dst_zone)
+
+ src_data = { key:value for key,value in
+ api.Command.dnsrecord_show(src_zone, src_record)['result'].items()
+ if key.endswith('record') and
+ (not args.limit_records or key[:-6].upper() in args.limit_records) }
+ logger.debug("obtained source data from %s in domain %s,%s", src_record, src_zone, src_data)
+
+ try:
+ dst_data = api.Command.dnsrecord_show(dst_zone, dst_record)['result']
+ if not args.merge:
+ logger.error("Destination record %s already exists in zone %s", dst_record, dst_zone)
+ exit(1)
+ updates = { key: value for key, value in src_data.items()
+ if not (key in dst_data and set(value).issubset(dst_data[key]))
+ }
+ if updates:
+ logger.info('updating %s in domain %s in FreeIPA', dst_record, dst_zone)
+ except NotFound:
+ logger.info('creating %s in domain %s in FreeIPA', dst_record, dst_zone)
+ updates = src_data
+
+ if updates:
+ logger.debug(updates)
+ api.Command.dnsrecord_add(dst_zone, dst_record, **updates)['result']
+ else:
+ logger.debug('no updates for entry %s in domain %s', dst_record, dst_zone)
+
+ if remove and src_data:
+ if not args.limit_records:
+ logger.info('removing %s from domain %s in FreeIPA', src_record, src_zone)
+ api.Command.dnsrecord_delentry(src_zone, (src_record,))
+ else:
+ logger.info('removing attributes %s from %s in domain %s in FreeIPA',
+ args.limit_records, src_record, src_zone)
+ api.Command.dnsrecord_del(src_zone, src_record, **src_data)
+
+
+############################[ MOVE implementation ]############################
+def move(api, args):
+ """Move a DNS Record from one DNS zone in FreeIPA to another or rename it"""
+ copy(api, args, True)
+
+
+###########################[ SERIAL implementation ]###########################
+def serial(api, args, date=date.today()):
+ """Set the SOA serial number of a DNS zone to specified or RFC1912 value"""
+ serial = int(args.serial if args.serial else '%04d%02d%02d%02d'%(date.year,
+ 0 if args.year_revision is not False else date.month,
+ 0 if args.today_revision is False else date.day,
+ args.year_revision if args.year_revision else
+ args.month_revision if args.month_revision else
+ args.today_revision if args.today_revision else 0))
+ for domain in args.dnszone:
+ ipa_serial = int(
+ api.Command.dnszone_show(domain)['result']['idnssoaserial'][0])
+ if ipa_serial > serial and not (args.force or args.ignore_greater):
+ logger.error('current serial %s of %s is greater than target (%s)',
+ ipa_serial, domain, serial)
+ exit(1)
+ elif serial > ipa_serial or (args.force and serial != ipa_serial):
+ logger.info('updating serial of %s to %s', domain, serial)
+ api.Command.dnszone_mod(domain, idnssoaserial=serial)
+
+
+##########################[ GENERATE implementation ]##########################
+def generate(api, args):
+ """Generate DNS records / set DNS attributes based on a number range """
+ records = { key: value for key in dir(args) if key.endswith('record')
+ for value in (getattr(args, key),) if value is not None }
+ dynamic = [k for k, v in records.items() if any(map(lambda x: '%' in x, v))]
+ autoincrement = { key: {'sep':':', 'maxvalue':65535, 'base':16, 'fmt':'%x'}
+ if key == 'aaaarecord' else {} for key in records.keys()
+ if getattr(args, 'auto_increment_'+key[:-6]) }
+ def increment(value, sep='.', maxvalue=255, base=10, fmt='%d'):
+ rest, _, value = value.rpartition(sep)
+ value = 1 if value == '' or value == 'None' else int(value, base) + 1
+ return rest + sep + fmt % value if value < maxvalue else \
+ increment(rest, sep, maxvalue, base, fmt) + sep + 1
+ for number in range(args.start, args.end+1 if args.end else args.start+args.number):
+ name = args.template % number if '%' in args.template else args.template
+ if number > args.start:
+ for key, params in autoincrement.items():
+ records[key] = list(map(lambda x: x if '%' in x else \
+ increment(x, **params), records[key]))
+ dst_data = records.copy()
+ for key in dynamic:
+ dst_data[key] = list(map(lambda x: x%number if '%' in x else x, records[key]))
+ try:
+ ipa_data = api.Command.dnsrecord_show(args.dnszone, name)['result']
+ updates = { key: value for key, value in dst_data.items()
+ if not (key in ipa_data and set(value).issubset(ipa_data[key]))}
+ if updates:
+ logger.info('updating %s in domain %s in FreeIPA', name, args.dnszone)
+ logger.debug(updates)
+ api.Command.dnsrecord_mod(args.dnszone, name, **updates)
+ else:
+ logger.debug('no updates for entry %s in domain %s', name, args.dnszone)
+ except NotFound:
+ logger.info('creating %s in domain %s in FreeIPA', name, args.dnszone)
+ logger.debug(updates)
+ api.Command.dnsrecord_add(args.dnszone, name, **dst_data)
+
+
+#########################[ REVERSEPTR implementation ]#########################
+def reverseptr(api, args):
+ rev_zones, ipv4_rev_zones, ipv6_rev_zones = {}, {}, {}
+ logger.info('Fetching existing reverse PTR domains')
+ for revzone in (zone for d in
+ api.Command.dnszone_find('.arpa.',pkey_only=True)['result']
+ for zone in map(str, d['idnsname']) if zone.endswith('.arpa.')):
+ prefix, _, type = revzone[:-6].rpartition('.')
+ if type == 'ip6':
+ if not args.ipv6:
+ continue
+ reverse = lambda v: ''.join(reversed(v.replace('.','')))
+ prefix = reverse(prefix)
+ ipv6_rev_zones[prefix] = revzone
+ else:
+ if not args.ipv4:
+ continue
+ reverse = lambda v: '.'.join(reversed(v.split('.')))
+ prefix = reverse(prefix) + '.'
+ ipv4_rev_zones[prefix] = revzone
+ if args.dnszone or args.all_zones:
+ logger.debug('Loading reverse PTR domain %s for %s*',revzone,prefix)
+ rev_zones[prefix] = { prefix+reverse(str(ptr)): host
+ for d in api.Command.dnsrecord_find(revzone)['result']
+ for ptr in d['idnsname'] for host in d.get('ptrrecord', ())}
+ else:
+ rev_zones[prefix] = {}
+
+ for revprefix in args.create_revprefix:
+ try:
+ if ':' in revprefix and args.ipv6:
+ revtype = 'ipv6 '
+ revprefix = revprefix.strip(': \t\r\n')
+ revprefix = ''.join([ '%04x' % int(w,16)
+ for w in revprefix.split(':',7) ])
+ ipv6_rev_zones[revprefix] = revzone = \
+ '.'.join(reversed(revprefix)) + '.ip6.arpa.'
+ elif '.' in revprefix and args.ipv4:
+ revtype = 'ipv4 '
+ revprefix = revprefix.strip('. \t\r\n')
+ if revprefix.count('.') > 3 or any(map(lambda x: x<0 or x>255,
+ map(int, revprefix.split('.')))):
+ raise ValueError('not a valid IPv4 value')
+ revzone = '.'.join(reversed(revprefix.split('.'))) + '.in-addr.arpa.'
+ revprefix += '.'
+ ipv4_rev_zones[revprefix] = revzone
+ else:
+ revtype = ''
+ raise ValueError('unsupported reverse zone prefix')
+ except ValueError as e:
+ logger.critical('Error: %sreverse zone prefix %s is not valid: %s',
+ revtype, revprefix, e)
+ exit(1)
+ else:
+ if revprefix in rev_zones:
+ logger.debug('%sreverse zone %s exists', revtype, revprefix)
+ else:
+ logger.info('Creating %sreverse zone %s for %s*',
+ revtype, revzone, revprefix)
+ zone_opts, add_opts, _ = get_zone_opts(args)
+ api.Command.dnszone_add(revzone, **zone_opts, **add_opts)
+ rev_zones[revprefix] = {}
+
+ revattrs = [ ('arecord', ipv4_rev_zones, sorted(ipv4_rev_zones), str,
+ lambda t,v: '.'.join(reversed(v[len(t):].split('.')))) ] if args.ipv4 else []
+ if args.ipv6:
+ revattrs.append( ('aaaarecord', ipv6_rev_zones, sorted(ipv6_rev_zones),
+ lambda v: ''.join([ '0000' * (8-v.count(':')) if w == ''
+ else '%04x' % int(w, 16) for w in v.split(':') ]),
+ lambda t,v: '.'.join(reversed(v[len(t):]))) )
+ excluded_zones = map(lambda x: x.strip(':.\t\r\n')+'.', args.exclude_zone)
+ for zone in (z for z in ((n for d in
+ api.Command.dnszone_find(pkey_only=True, idnszoneactive=True)['result']
+ for n in map(str, d['idnsname'])) if args.all_zones
+ else map(lambda x: x.strip(':.\t\r\n')+'.', args.dnszone))
+ if not (z.endswith('in-addr.arpa.') or z.endswith('ip6.arpa.')
+ or z in excluded_zones)):
+ logger.info('Processing DNS zone %s', zone)
+ for record in ( api.Command.dnsrecord_show(zone, host)['result']
+ for host in args.host) if args.host \
+ else api.Command.dnsrecord_find(zone)['result']:
+ recordname = str(record['idnsname'][0])
+ recordname = zone if recordname=='@' else '%s.%s'%(recordname,zone)
+ for revattr,revzones,revzonelist,revconvert,revformat in revattrs:
+ for ipaddr in record.get(revattr, ()):
+ revaddr = revconvert(ipaddr)
+ try:
+ *oldrevs, revtarget = [ rz for rz in revzonelist
+ if revaddr.startswith(rz) ]
+ except ValueError:
+ logger.debug('Skipping %s (%s): no reverse DNS zone',
+ ipaddr, recordname)
+ else:
+ reventry = revformat(revtarget, revaddr)
+ revzone = revzones[revtarget]
+ currrev = rev_zones[revtarget].get(revaddr)
+ if currrev == recordname:
+ logger.debug('no update for %s (%s) in %s',
+ reventry, recordname, revzone)
+ elif currrev and not args.overwrite:
+ logger.warn('not updating %s (%s) in %s pointing to'
+ ' %s', reventry, recordname, revzone, currrev)
+ else:
+ action = 'modifying' if currrev else 'adding'
+ logger.info('%s %s (%s) to %s', action, reventry,
+ recordname, revzone)
+ getattr(api.Command, 'dnsrecord_%s' % action[:3])(
+ revzone, reventry, ptrrecord=recordname)
+ rev_zones[revtarget][revaddr] = recordname
+ for revzone, reventry, oldentry in ( (revzones[r],
+ revformat(r, revaddr), o) for r in oldrevs
+ for o in (rev_zones[r].get(revaddr),) if o):
+ logger.info('removing %s (%s) from %s', reventry,
+ oldentry, revzone)
+ api.Command.dnsrecord_delentry(revzone, reventry)
+
+
+##########################[ Command-line processing ]##########################
+def parse_args():
+ """Parse command line and get parameters from environment if not set"""
+
+ record_types = (
+ ('A', '4', 'IPv4 address'),
+ ('AAAA', '6', 'IPv6 address'),
+ ('CNAME', 'c', 'canonical name (alias)'),
+ ('MX', 'm', 'Mail Exchange (priority + server)'),
+ ('NS', 'N', 'Nameserver name'),
+ ('PTR', 'p', 'Reverse address Pointer'),
+ ('SRV', 'V', 'Service record (priority+port+server)'),
+ ('TXT', 't', 'Text record'),
+ ('SSHFP', 'H', 'SSH Fingerprint (priority+type+fingerprint)'),
+ )
+ parser = ArgumentParser(
+ description='Migrate or synchronize a DNS zone in FreeIPA with DNS',
+ )
+ parser.add_argument('-V', '--version',action="version",version=PROG_VERSION)
+
+ pgroup = parser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-q', '--quiet', action=SetLogLevel, const=logging.CRITICAL,
+ default=logging.CRITICAL, help='quiet (only fatal errors)')
+ pgroup.add_argument('-v', '--verbose', action=SetLogLevel, const=logging.INFO,
+ help='more verbose output')
+ pgroup.add_argument('-d', '--debug', action=SetLogLevel, const=logging.DEBUG,
+ help='debug output')
+
+ parser.add_argument('-l', '--logfile', action=SetLogFile,
+ help='send logging output to logfile')
+
+ zoneoptionsparser = ArgumentParser(add_help=False)
+ zoneoptionsparser.add_argument('-n', '--no-ns-check', action='store_true',
+ help='force zone/record creation in case NS not in DNS')
+ zoneoptionsparser.add_argument('-p', '--create-reverse-ptr', action='store_true',
+ help='Enable updating reverse records for created zone(s)')
+ zoneoptionsparser.add_argument('-f','--forward-policy',choices=('first','only','none'),
+ default='first', help='Set forward policy for created zone(s)')
+ zoneoptionsparser.add_argument('-F', '--forwarder', nargs="+",
+ help='Set IP addresses to forward queries for created zone(s)')
+ zoneoptionsparser.add_argument('-Q', '--allow-query', nargs="+", default=(),
+ help='Set IP addresses/ranges that can query created zone(s)')
+ zoneoptionsparser.add_argument('-T', '--allow-transfer', nargs="+", default=(),
+ help='Set IP addresses/ranges that can transfer created zone(s)')
+ zoneoptionsparser.add_argument('-t', '--ttl', type=int,
+ help='Set TTL for SOA record of created zone(s)')
+ zoneoptionsparser.add_argument('-D', '--default-ttl', type=int,
+ help='Set default TTL for records in created zone(s)')
+
+ subparser = parser.add_subparsers(title='Available commands', dest='command')
+ subparser.required=True
+ cmdparser = subparser.add_parser('axfr', parents=[zoneoptionsparser],
+ help='import or synchronize an DNS zone in FreeIPA with the '
+ 'result of a zone-xfer',
+ description='Migrate or synchronize a DNS zone in FreeIPA with '
+ 'an external DNS server. Since it synchronizes data it is '
+ 'safe to run multiple times for a domain.',
+ epilog='Please note that this uses a domain-xfer to fetch DNS '
+ 'zone(s) so the DNS server must allow a Zone Transfer '
+ 'for the domain from the host running the script for '
+ 'this command to work')
+ cmdparser.set_defaults(func=axfr, cmdparser=cmdparser)
+ cmdparser.add_argument('-s', '--source-address',
+ help='perform the zone-xfr from specified address')
+ pgroup = cmdparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-r', '--relativize', action='store_true', default=True,
+ help='store DNS records relative to zone origin')
+ pgroup.add_argument('-a','--absolute',action='store_false',dest='relativize',
+ help='store DNS records with absolute DNS domain')
+
+ cmdparser.add_argument('-m', '--merge-zone',
+ help='merge DNSZONE(s) into MERGE_ZONE')
+ cmdparser.add_argument('dnsserver', help='DNS Server to request the zone from')
+ cmdparser.add_argument('dnszone', nargs='+', help='DNS Zone to synchronize')
+
+ commonparser = ArgumentParser(add_help=False)
+ commonparser.add_argument('-m', '--merge', action='store_true',
+ help='merge SRC_RECORD into DST_RECORD (default is '
+ 'to fail when DST_RECORD exists)')
+ commonparser.add_argument('-l', '--limit-records', nargs='+',
+ choices=list(map(lambda x:x[0], record_types)),
+ help='only move specified record types (default is to move all)')
+ pgroup = commonparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-z', '--source-zone-name',
+ help='DNS zone to move SRC_RECORD from (will use SRC_RECORD if not provided)')
+ pgroup.add_argument('-Z', '--source-zone', action='store_true',
+ help='move attributes from DNS zone SRC_RECORD itself')
+ pgroup = commonparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-t', '--target-zone-name',
+ help='new name for SRC_RECORD in DST_RECORD')
+ pgroup.add_argument('-T', '--target-zone', action='store_true',
+ help='move attributes from to DNS zone SRC_RECORD itself')
+ commonparser.add_argument('source_record', help='source record(s) to move')
+ commonparser.add_argument('target_record', help='DNS Zone to move records to')
+
+ cmdparser = subparser.add_parser('copy',parents=[commonparser],
+ help='Copy a DNS record in FreeIPA within or between zones')
+ cmdparser.set_defaults(func=copy, cmdparser=cmdparser)
+
+ cmdparser = subparser.add_parser('move',parents=[commonparser],
+ help='Move a DNS record in FreeIPA from one one to another')
+ cmdparser.set_defaults(func=move, cmdparser=cmdparser)
+
+ cmdparser = subparser.add_parser('serial',
+ help='update (set) zone serial(s) in FreeIPA')
+ cmdparser.set_defaults(func=serial, cmdparser=cmdparser)
+ pgroup = cmdparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-f', '--force', action='store_true',
+ help='force setting the SOA serial, even when smaller '
+ '(default is to only update to larger value)')
+ pgroup.add_argument('-i', '--ignore-greater', action='store_true',
+ help='silently ignore exisging larger SOA serials '
+ '(default is to abort if existing serial is larger)')
+ pgroup = cmdparser.add_mutually_exclusive_group(required=True)
+ generate_RFC1912 = 'generate RFC1912-format serial based on %s'
+ pgroup.add_argument('-y', '--current-year', type=int,
+ dest='year_revision', nargs='?', default=False,
+ help=generate_RFC1912 % 'current year (YYYY######)')
+ pgroup.add_argument('-m', '--current-month', type=int,
+ dest='month_revision', nargs='?', default=False,
+ help=generate_RFC1912 % 'current year & month (YYYYMM####)')
+ pgroup.add_argument('-t', '--today', type=int,
+ dest='today_revision', nargs='?', default=False,
+ help=generate_RFC1912 % 'current date (YYYYMMDD##)')
+ pgroup.add_argument('-s', '--serial', type=int,
+ help='serial value to use (must be a 32-bit integer)')
+ cmdparser.add_argument('dnszone', nargs='+',
+ help='DNS Zone to update serial for')
+
+ cmdparser = subparser.add_parser('generate',
+ help='generate number-range DNS records/attributes in FreeIPA',
+ epilog='(*) %s/%d will be replaced with the sequence numnber, specify'
+ ' #leading zeros like with printf, i.e. %02d = 2 leading zeros')
+ cmdparser.set_defaults(func=generate, cmdparser=cmdparser)
+ cmdparser.add_argument('-s', '--start', type=int, default=1,
+ help='start (first) value of the numner range to generate, defaults to 1')
+ pgroup = cmdparser.add_mutually_exclusive_group(required=True)
+ pgroup.add_argument('-e', '--end', type=int,
+ help='end (last) value of the numner range to generate')
+ pgroup.add_argument('-n', '--number', type=int,
+ help='number of entries to generate')
+ for record, option, description in record_types:
+ cmdparser.add_argument('-'+option, '--'+record.lower()+'record',
+ nargs='+', help='set %s for record (*)' % description)
+ if option in ('4', '6'):
+ cmdparser.add_argument('--auto-increment-'+record.lower(),
+ action='store_true', help='Automatically increment %s values without a pattern' % description)
+ cmdparser.add_argument('dnszone', help='DNS Zone to generate records in')
+ cmdparser.add_argument('template', help='template for the name of the generated records (*)')
+
+ cmdparser = subparser.add_parser('reverse-ptr', parents=[zoneoptionsparser],
+ help='create/update reverse DNS (PTR) entries in FreeIPA',
+ description='Generate IPv4/IPv6 reverse PTR zones and records.')
+ cmdparser.set_defaults(func=reverseptr, cmdparser=cmdparser)
+ pgroup = cmdparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-4', '--ipv4', action='store_false', dest='ipv6', default=True,
+ help='process only ipv4 addresses')
+ pgroup.add_argument('-6', '--ipv6', action='store_false', dest='ipv4', default=True,
+ help='process only ipv6 addresses')
+ cmdparser.add_argument('-o', '--override', action='store_true',
+ help='overwrite existing reverse PTR records (default is to only add new mappings)')
+ cmdparser.add_argument('-c', '--create_revprefix', nargs='+', default=(),
+ help='create reverse zone for IPv4/IPv6 prefix '
+ '(must contain either . or :, e.g. 10. 192.168 2001:0db8:85a3)')
+ pgroup = cmdparser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-a', '--all-zones', action='store_true',
+ help='process all enabled zones in FreeIPA')
+ pgroup.add_argument('-z', '--dnszone', nargs='+', default=(),
+ help='DNS zone(s) to generate reverse pointer records for')
+ cmdparser.add_argument('-H', '--host', nargs='+',
+ help='DNS host(s) to generate reverse pointer records for within each DNSZONE')
+ cmdparser.add_argument('-x', '--exclude-zone', nargs='+', default=(),
+ help='exclude specified zones')
+
+ return parser.parse_args()
+
+
+###############################################################################
+
+if __name__ == '__main__':
+ logging.basicConfig(format=LOG_FORMAT)
+ args = parse_args()
+
+ try:
+ logger.debug('connecting to FreeIPA')
+ if api.isdone('finalize') is False:
+ api.bootstrap_with_global_options(context='api')
+ api.finalize()
+ api.Backend.rpcclient.connect()
+ args.func(api, args)
+ exit(0)
+ except DNSException as e:
+ logger.critical("Domain %s cannot be downloaded,%s", domain, e)
+ except AuthenticationError:
+ logger.critical("Unable to authenticate to FreeIPA, make sure you have a valid Kerberos ticket!")
+ except PublicError as e:
+ logger.critical("error while communicating with FreeIPA: %s", e)
+ exit(1)
+
diff --git a/users2freeipa.py b/users2freeipa.py
new file mode 100755
index 0000000..86cfdc0
--- /dev/null
+++ b/users2freeipa.py
@@ -0,0 +1,632 @@
+#! /usr/bin/env python3
+#
+# usersfreeipa.py - python script to migrate/synchronize LDAP users with FreeIPA
+#
+# Version 1.0, latest version, documentation and bugtracker available at:
+# https://gitlab.lindenaar.net/scripts/freeipa
+#
+# Copyright (c) 2018 Frederik Lindenaar
+#
+# This script is free software: you can redistribute and/or modify it under the
+# terms of version 3 of the GNU General Public License as published by the Free
+# Software Foundation, or (at your option) any later version of the license.
+#
+# This script is distributed in the hope that it will be useful but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program. If not, visit <http://www.gnu.org/licenses/> to download it.
+
+"""
+migrate/synchronize LDAP users with FreeIPA.
+
+This script uses LDAP to obtain users from a MacOS Server (or other LDAP)
+server and synchronizes the results with the users registered in FreeIPA.
+Since it synchronizes data it is safe to run multiple times.
+
+for available command-line options, run 'users2freeipa.py -h'
+"""
+
+import os, logging
+from argparse import ArgumentParser, FileType, \
+ _StoreAction as StoreAction, _StoreConstAction as StoreConstAction
+from base64 import b64encode
+from getpass import getpass
+
+from ipalib import api
+from ipalib.errors import PublicError, AuthenticationError, NotFound
+
+from ldap import LDAPError, SCOPE_SUBTREE, MOD_ADD, MOD_DELETE
+from ldap.filter import escape_filter_chars
+from ldap.ldapobject import LDAPObject
+from ldap.resiter import ResultProcessor
+
+
+VERSION="1.0"
+PROG_NAME=os.path.splitext(os.path.basename(__file__))[0]
+PROG_VERSION=PROG_NAME + ' ' + VERSION
+LOG_FORMAT='%(levelname)s - %(message)s'
+LOG_FORMAT_FILE='%(asctime)s - ' + LOG_FORMAT
+
+logger = logging.getLogger(PROG_NAME)
+
+
+##################[ Action to immediately set the log level ]##################
+class SetLogLevel(StoreConstAction):
+ """ArgumentParser action to set log level to provided const value"""
+ def __call__(self, parser, namespace, values, option_string=None):
+ logging.getLogger(PROG_NAME).setLevel(self.const)
+
+####################[ Action to immediately log to a file ]####################
+class SetLogFile(StoreAction):
+ """ArgumentParser action to log to file (sets up FileHandler accordingly)"""
+ def __call__(self, parser, namespace, values, option_string=None):
+ super(SetLogFile, self).__call__(parser,namespace,values,option_string)
+ formatter = logging.Formatter(LOG_FORMAT_FILE)
+ handler = logging.FileHandler(values)
+ handler.setFormatter(formatter)
+ logger = logging.getLogger(PROG_NAME)
+ logger.propagate = False
+ logger.addHandler(handler)
+
+
+#################[ Generic LDAP Connection / ResultProcessor ]#################
+class custom_attr(str): pass
+class LDAPConnection(LDAPObject,ResultProcessor):
+ """LDAPConnection implements the LDAP-specifics to migrate LDAP to FreeIPA
+
+ This class holds a generic implementation of the functionality needed to
+ migrate from a generic () LDAP server to FreeIPA. It is intended to be
+ subclassed to add the instance-specific parameters for implementation.
+
+ Parameters and LDAP attributes steering the migration to FreeIPA are in
+ the below attributes (to be overrided by implementation subclasses):
+
+ FreeIPA LDAP Schema customizations (used by check_schema)
+ SCHEMA_ATTRIBUTES: custom attribute mapping (oid:definiton)
+ SCHEMA_OBJECTCLASSES: custom objectclass mapping (oid:definiton)
+
+ LDAP search parameters:
+ USER_SUBTREE: LDAP users subtree (relative to baseDN)
+ USER_OBJECTCLASS: objectclasses for searching users
+ USER_LOGINATTR: user login / (unique) key attribute
+ USER_MAPPING: mapping for LDAP attributes to FreeIPA
+ (LDAP attr: (FreeIPA attr, convert_func))
+ GROUP_SUBTREE: LDAP groups subtree (relative to baseDN)
+ GROUP_OBJECTCLASS: objectclasses for searching group(member)s
+ GROUP_NAMEATTR: group name / (unique) key attribute
+ GROUP_DESCATTR: group description attribute
+ GROUP_GIDATTR: group gid attribute
+ GROUP_MEMBERATTR: group member attribute with member logins
+ """
+ @staticmethod
+ def ldaplist2ipa(valuelist): return tuple(map(bytes.decode, valuelist))
+
+ @staticmethod
+ def ldapstr2ipa(valuelist, default=()):
+ return ' '.join(map(bytes.decode, valuelist if valuelist else default))
+
+ FREEIPA_SCHEMA_DN = 'cn=schema'
+ SCHEMA_ATTRIBUTES = { }
+ SCHEMA_OBJECTCLASSES = { }
+
+ USER_OBJECTCLASS = ( 'posixAccount', 'shadowAccount' )
+
+ USER_SUBTREE = 'cn=users'
+ USER_LOGINATTR = 'uid'
+ USER_MAPPING = { # based on http://www.zytrax.com/books/ldap/ape/
+ USER_LOGINATTR: (USER_LOGINATTR, ldaplist2ipa.__func__),
+ 'userPassword': ('userpassword', ldapstr2ipa.__func__),
+ 'uidNumber': ('uidnumber', ldapstr2ipa.__func__),
+ 'gidNumber': ('gidnumber', ldapstr2ipa.__func__),
+ 'gecos': ('gecos', ldapstr2ipa.__func__),
+ 'homeDirectory': ('homedirectory', ldapstr2ipa.__func__),
+ 'loginShell': ('loginshell', ldapstr2ipa.__func__),
+ 'givenName': ('givenname', ldapstr2ipa.__func__),
+ 'sn': ('sn', ldapstr2ipa.__func__),
+ 'cn': ('cn', ldapstr2ipa.__func__),
+ 'displayname': ('displayname', ldapstr2ipa.__func__),
+ 'initials': ('initials', ldapstr2ipa.__func__),
+ 'title': ('title', ldapstr2ipa.__func__),
+ 'mail': ('mail', ldaplist2ipa.__func__),
+ 'street': ('street', ldapstr2ipa.__func__),
+ 'l': ('l', ldapstr2ipa.__func__),
+ 'st': ('st', ldapstr2ipa.__func__),
+ 'postalCode': ('postalcode', ldapstr2ipa.__func__),
+ 'telephonenumber': ('telephonenumber', ldaplist2ipa.__func__),
+ 'mobile': ('mobile', ldaplist2ipa.__func__),
+ 'pager': ('pager', ldaplist2ipa.__func__),
+ 'facsimiletelephonenumber':('facsimiletelephonenumber',ldaplist2ipa.__func__),
+ 'carlicense': ('carlicense', ldaplist2ipa.__func__),
+ 'ou': ('ou', ldapstr2ipa.__func__),
+ 'departmentNumber': ('departmentnumber',ldaplist2ipa.__func__),
+ 'employeeNumber ': ('employeenumber', ldapstr2ipa.__func__),
+ 'employeeType': ('employeetype', ldapstr2ipa.__func__),
+ 'manager': ('manager', ldapstr2ipa.__func__),
+ 'userCertificate': ('usercertificate', ldaplist2ipa.__func__),
+ 'preferredLanguage':('preferredlanguage',ldapstr2ipa.__func__),
+ }
+
+ GROUP_OBJECTCLASS = ( 'posixGroup', )
+ GROUP_SUBTREE = 'cn=groups'
+ GROUP_NAMEATTR = 'cn'
+ GROUP_DESCATTR = GROUP_NAMEATTR
+ GROUP_GIDATTR = 'gidNumber'
+ GROUP_MEMBERATTR = 'memberUid'
+
+ @staticmethod
+ def attrfilters(valuelist, attr, cmp='='):
+ """convert a value list into an LDAP-escaped attr=value filter list"""
+ return set(map(lambda x:attr + cmp + escape_filter_chars(x), valuelist))
+
+ @staticmethod
+ def filters2str(*filters, operator, default=''):
+ """convert a list of filters to a single filter(string) with operator"""
+ result = set('(%s)' % f if f[0]!='(' else f for f in filters if f)
+ return '(' + operator + ''.join(result) + ')' if len(result) > 1 else \
+ result.pop() if result else default
+
+ @staticmethod
+ def notfilter(fstr):
+ """Create a negative (NOT) LDAP filter based on a filter (string)"""
+ return '' if not fstr else ('(!%s)' if fstr[0]=='(' else '(!(%s))')%fstr
+
+ def objectclassfilter(self, *objclasses, operator='|', cmp='=', default=''):
+ """Generates an LDAP filter to retrieve specific objectclass(es)"""
+ objclsfilter = self.attrfilters(objclasses, 'objectClass', cmp)
+ return self.filters2str(*objclsfilter,operator=operator,default=default)
+
+ def usersfilter(self, *users, operator='|', cmp='=', default=''):
+ """Generates an LDAP filter to retrieve users based on login name(s)"""
+ userfilter = self.attrfilters(users,self.USER_LOGINATTR,cmp)
+ return self.filters2str(*userfilter, operator=operator, default=default)
+
+ def groupsfilter(self, *groups, operator='|', cmp='=', default=''):
+ """Generates an LDAP filter to retrieve groups based on group name(s)"""
+ groupfilter = self.attrfilters(groups, self.GROUP_NAMEATTR, cmp)
+ return self.filters2str(*groupfilter, operator=operator, default=default)
+
+ def groupmemberfilter(self, *members, operator='|', cmp='=', default=''):
+ """Generates an LDAP filter to retrieve groups based on their members"""
+ memberfilter = self.attrfilters(members, self.GROUP_MEMBERATTR, cmp)
+ return self.filters2str(*memberfilter,operator=operator,default=default)
+
+ def __init__(self, server, basedn=None):
+ """Initialize connection to server, get server basedn unless provided"""
+ super(LDAPConnection, self).__init__(server)
+ self._basedn = basedn if basedn else self.get_naming_contexts()[0].decode()
+ logger.debug('Connected to %s, base_dn=%s', server, self._basedn)
+
+ def check_schema(self, exists=True, update_schema=False):
+ """Check if schema customizations are present in the FreeIPA LDAP
+ server (or not, depending on 'exists') and apply the changes if
+ 'update_schema'. Returns whether the desired state is present.
+ """
+ if not self.SCHEMA_ATTRIBUTES and not self.SCHEMA_OBJECTCLASSES:
+ return True
+ logger.debug('Checking LDAP schema customizations presence in FreeIPA')
+ operation = MOD_ADD if exists else MOD_DELETE
+ config = { 'attributeTypes': self.SCHEMA_ATTRIBUTES,
+ 'objectClasses': self.SCHEMA_OBJECTCLASSES }
+ ipa_ldap = LDAPObject('ldap:///')
+ ipa_schema = ipa_ldap.read_s(self.FREEIPA_SCHEMA_DN, attrlist=config.keys())
+ updates = [ (operation, key, value) for key, cfg in config.items()
+ for cur in ({v.split(b' ')[1]: v for v in ipa_schema[key]},)
+ for value in ([ d for o,d in cfg.items() if o not in cur ] \
+ if exists else [cur[o] for o in cfg if o in cur],) if value]
+ if updates and update_schema:
+ updates = sorted(updates, key=lambda x: x[1], reverse=not exists)
+ logger.info('%sing LDAP schema customizations in FreeIPA',
+ 'Add' if exists else 'Delet')
+ logger.debug('LDAP Schema changes: %s', updates)
+ ipa_ldap.bind_s('cn=directory manager',
+ getpass('FreeIPA diradmin password: '))
+ ipa_ldap.modify_s(self.FREEIPA_SCHEMA_DN, updates)
+ elif updates:
+ logger.debug('Not %sing LDAP schema customizations in FreeIPA',
+ 'add' if exists else 'delet')
+ else:
+ logger.debug('LDAP schema customizations are %s in FreeIPA',
+ 'present' if exists else 'absent')
+ ipa_ldap.unbind()
+ return(not updates or update_schema)
+
+ def search(self, base, *args, relativebase=True, **kwargs):
+ """Search using LDAPObject.search(), adding baseddn to base if needed"""
+ if relativebase and not base.endswith(self._basedn):
+ base += ',' + self._basedn
+ return super(LDAPConnection, self).search(base, *args, **kwargs)
+
+ def get_group_members(self, *group):
+ """Returns set with users that are member of the provided group(s)"""
+ if not group:
+ return set()
+ filter=self.filters2str(self.objectclassfilter(*self.GROUP_OBJECTCLASS),
+ self.groupsfilter(*groups), operator='&')
+ logger.debug('Searching %s members with LDAP filter: %s',group,filter)
+ attrs = (self.GROUP_MEMBERATTR,)
+ msg_id = self.search(self.GROUP_SUBTREE, SCOPE_SUBTREE, filter, attrs)
+ return set(user.decode() for _,res_data,_,_ in ldap.allresults(msg_id)
+ for _, entry in res_data
+ for userlist in entry.values()
+ for user in userlist)
+
+ def get_user_groups(self, user, groups=()):
+ """Returns list of groups that the specified user is member of.
+ checks the list of groups, if provided, or all groups
+ """
+ filter=self.filters2str(self.objectclassfilter(*self.GROUP_OBJECTCLASS),
+ self.groupmemberfilter(user),
+ self.groupsfilter(*groups), operator='&')
+ logger.debug('Searching user\'s groups with LDAP filter: %s', filter)
+ attrs = (self.GROUP_NAMEATTR,self.GROUP_GIDATTR,self.GROUP_DESCATTR)
+ msg_id = self.search(self.GROUP_SUBTREE, SCOPE_SUBTREE, filter, attrs)
+ return [ (self.ldapstr2ipa(entry[self.GROUP_NAMEATTR]),
+ self.ldapstr2ipa(entry[self.GROUP_GIDATTR]),
+ self.ldapstr2ipa(entry.get(self.GROUP_DESCATTR,
+ entry[self.GROUP_NAMEATTR])) )
+ for _,res_data,_,_ in ldap.allresults(msg_id)
+ for dn, entry in res_data ]
+
+ def get_users(self, *users, excl_users=(), customfilter='', attrs=None):
+ """Returns an generator to iterate over LDAP users mapped to FreeIPA.
+ This function obtains the list of users (all if not specified) and
+ support exclusion list and custom filters for further control
+ """
+ filter=self.filters2str(self.objectclassfilter(*self.USER_OBJECTCLASS),
+ customfilter, self.usersfilter(*users),
+ self.notfilter(self.usersfilter(*excl_users)),
+ operator='&', default='(%s=*)'%self.USER_LOGINATTR)
+ logger.debug('Searching users with LDAP filter: %s', filter)
+ msg_id = self.search(self.USER_SUBTREE, SCOPE_SUBTREE, filter, attrs)
+ for res_type,res_data,res_msgid,res_controls in self.allresults(msg_id):
+ for dn, entry in res_data:
+ if logger.getEffectiveLevel() <= logging.DEBUG:
+ notmigrated = ', '.join(key for key in entry if key not in
+ (*self.USER_MAPPING.keys(), 'objectClass'))
+ if notmigrated:
+ logger.debug('Ignoring attributes: %s', notmigrated)
+ yield (dn, { ipa_key: conv(v) for k, v in entry.items()
+ if k in self.USER_MAPPING
+ for ipa_key, conv in (self.USER_MAPPING[k],) })
+
+
+
+##################[ MacOS LDAP Connection / ResultProcessor ]##################
+class MacOSLDAPConnection(LDAPConnection):
+ """LDAPConnection subclass to migrate from Apple's OpenDirectory"""
+
+ # @staticmethod
+ # def binary2ipa(valuelist): return b64encode(valuelist[0]).decode()
+
+ SCHEMA_ATTRIBUTES = {
+ # Definition (and OID) taken from Apple MacOS Server OpenDirectory
+ b"1.3.6.1.4.1.63.1000.1.1.1.1.20":
+ b"( 1.3.6.1.4.1.63.1000.1.1.1.1.20 NAME ( 'apple-generateduid' )"
+ b" DESC 'generated unique ID' X-ORIGIN 'Apple Server OpenDirectoy'"
+ b" EQUALITY caseExactMatch SUBSTR caseExactSubstringsMatch"
+ b" SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE )",
+ }
+ SCHEMA_OBJECTCLASSES = {
+ # OID: iso.org.dod.internet.private.enterprise.lindenaar.2018.8.2.1.1
+ # https://www.iana.org/assignments/enterprise-numbers/enterprise-numbers
+ b"1.3.6.1.4.1.18143.2018.8.2.1.1":
+ b"( 1.3.6.1.4.1.18143.2018.8.2.1.1"
+ b" NAME 'openDirectoryPerson' SUP person STRUCTURAL"
+ b" MAY ( c $ apple-generateduid ) X-ORIGIN 'Extending FreeIPA' )"
+ }
+
+ USER_OBJECTCLASS = ( *LDAPConnection.USER_OBJECTCLASS, 'apple-user' )
+ USER_MAPPING = { **LDAPConnection.USER_MAPPING,
+ 'objectClass': (custom_attr('objectclass'), lambda x: 'openDirectoryPerson'),
+ 'c': (custom_attr('c'), LDAPConnection.ldapstr2ipa),
+ 'apple-generateduid': (custom_attr('apple-generateduid'),LDAPConnection.ldapstr2ipa),
+ 'apple-user-homeurl': LDAPConnection.USER_MAPPING['homeDirectory'],
+ # TODO: MacOS attribute: jpegPhoto
+ # 'jpegPhoto': (custom_attr('jpegphoto'), binary2ipa.__func__),
+ # TODO: migrate MacOS Passwords (not sure this is possible)
+ }
+
+ GROUP_OBJECTCLASS = ( *LDAPConnection.GROUP_OBJECTCLASS, 'apple-group' )
+ GROUP_DESCATTR = 'apple-group-realname'
+
+
+###########[ Generic function to get/create/update FreeIPA entries ]###########
+def ipa_update_create(api,entity,name,*keys,get_params={},add_params={},**data):
+ """ Generic function to create or update an entity and return it.
+ This will create or update the entity, with key *key so that it reflects
+ the values provided in the mapping **data.
+ Parameters:
+ api: FreeIPA API object to use
+ entity: name of the FreeIPA entity type to create/update
+ name: textual name of the entity for logging
+ keys: the FreeIPA key for this entity (1 or more values)
+ get_params: additional parameters when retrieving the entity
+ add_params: additional parameters/values when creating the entity
+ data: mapping containing the desired values for the entity
+ Returns the updated entity
+ """
+ try:
+ ipa_data = getattr(api.Command, '%s_show' % entity)(*keys, **get_params)['result']
+ if data:
+ updates = { k:v for k, v in data.items() if not (k in ipa_data and v in ipa_data[k]) }
+ if updates:
+ logger.info('updating existing %s %s in FreeIPA', name, keys[-1])
+ return getattr(api.Command, '%s_mod' % entity)(*keys, **updates)['result']
+ else:
+ logger.debug('no updates for existing %s %s in FreeIPA', name, keys[-1])
+ else:
+ logger.debug('found existing %s %s in FreeIPA', name, keys[-1])
+ return ipa_data
+ except NotFound:
+ logger.info('creating new %s %s in FreeIPA', name, keys[-1])
+ return getattr(api.Command, '%s_add' % entity)(*keys, **data, **add_params)['result']
+
+
+##########################[ Command-line processing ]##########################
+def parse_args():
+ """Parse command line and get parameters from environment if not set"""
+ parser = ArgumentParser(
+ description='Migrate or synchronize LDAP users with FreeIPA',
+ epilog='(*) unless specified FreeIPA defaults are used. %s is replaced '
+ 'by the userID'
+ )
+ parser.add_argument('-V', '--version',action="version",version=PROG_VERSION)
+
+ pgroup = parser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-O', '--apple-opendirectory', action='store_const',
+ dest='ldapconnection', const=MacOSLDAPConnection,
+ default=LDAPConnection,
+ help='migrate from Apple\'s MacOS Server OpenDirectory')
+
+ parser.add_argument('ldapserver', help='LDAP Server to request users from')
+ parser.add_argument('-b', '--basedn', help='Base DN of source LDAP server, defaults to LDAP server')
+ parser.add_argument('-u', '--user', nargs='+', default=(),
+ help='user(s) to migrate/synchronize, defaults to all')
+ parser.add_argument('-g', '--member-of', nargs='+', dest='user_group', default=(),
+ help='migrate/synchronize members of group(s)')
+ parser.add_argument('-x', '--exclude-user', nargs='+', dest='x_user', default=(),
+ help='user(s) to exclude')
+ parser.add_argument('-X', '--exclude-group', nargs='+', dest='x_group', default=(),
+ help='exclude users in specified group(s)')
+ parser.add_argument('-f', '--filter', help='additional LDAP filter to apply')
+ parser.add_argument('-G', '--migrate-groups', nargs='*', dest='group',
+ help='migrate groups+membership for specified or all groups')
+ parser.add_argument('-H', '--migrate-homedir', nargs='?', dest='homedir', default="",
+ help='Migrate (if empty) or set homedir (*)')
+ parser.add_argument('-S', '--migrate-loginshell', nargs='?', dest='loginshell', default="",
+ help='Migrate (if empty) or set login shell (*)')
+ parser.add_argument('-P', '--migrate-password', action='store_true',
+ help='migrate passwords from LDAP (if present)')
+ parser.add_argument('-p', '--enforce-passwords', dest='password_logfile',
+ help='enforce users have passwords, file generated passwords')
+ parser.add_argument('-s', '--stage', action='store_true',
+ help='create new users as staged users')
+ parser.add_argument('-c', '--compatibility-view', dest='idview',
+ help='Maintain ID Compatibility view to preserve UID/GID/homedir/shell')
+ parser.add_argument('-U', '--update-schema', action='store_true',
+ help='Configure necessary LDAP schema customizations')
+ parser.add_argument('-C', '--cleanup-schema', action='store_true',
+ help='Remove applied LDAP schema customizations and exit')
+
+ pgroup = parser.add_mutually_exclusive_group(required=False)
+ pgroup.add_argument('-q', '--quiet', action=SetLogLevel, const=logging.CRITICAL,
+ default=logging.CRITICAL, help='quiet (only fatal errors)')
+ pgroup.add_argument('-v', '--verbose', action=SetLogLevel, const=logging.INFO,
+ help='more verbose output')
+ pgroup.add_argument('-d', '--debug', action=SetLogLevel, const=logging.DEBUG,
+ help='debug output')
+ parser.add_argument('-l', '--logfile', action=SetLogFile,
+ help='send logging output to logfile')
+
+ return parser.parse_args()
+
+
+############################[ LDAPUser processing ]############################
+def process_user(api, userid, user_data, stage=False, enforce_password=False):
+ """Process a single LDAP user and synchronize with FreeIPA using its API"""
+ logger.info('processing LDAP user %s', userid)
+
+ try:
+ ipa_data = api.Command.user_show(userid, all=True)['result']
+ logger.debug('found active user %s', userid)
+ stage = False
+ except NotFound:
+ try:
+ ipa_data = api.Command.stageuser_show(userid, all=True)['result']
+ if stage:
+ logger.debug('found existing stage entry for user %s', userid)
+ else:
+ logger.info('activating stage user %s', userid)
+ api.Command.stageuser_activate(userid)
+ except NotFound:
+ ipa_data = { }
+
+ what = 'stageuser' if stage else 'user'
+ updates = user_data if not ipa_data else { key: value
+ for key, value in user_data.items() if not (key in ipa_data and
+ value in ipa_data[key] if isinstance(value, str)
+ else set(value).issubset(ipa_data[key])) }
+
+ if ipa_data.get('has_password') and 'userpassword' in updates:
+ logger.debug('Not replacing existing password for %s %s', what, userid)
+ del updates['userpassword']
+ elif enforce_password and not (stage or ipa_data.get('has_password')):
+ logger.info('Enforcing password for user %s in FreeIPA', userid)
+ updates['random'] = True
+
+ if updates or not ipa_data:
+ action = 'Upd' if ipa_data else 'Cre'
+ logger.info('%sating %s %s in FreeIPA', action, what, userid)
+ logger.debug('%sating %s %s with %s', action, what, userid, updates)
+ cust=[k+'='+v for k,v in updates.items() if isinstance(k, custom_attr)]
+ if cust:
+ updates = { 'addattr': cust if ipa_data else None, **{ k:v
+ for k,v in updates.items() if not isinstance(k, custom_attr) }}
+ command = getattr(api.Command, what + ('_mod' if ipa_data else '_add'))
+ ipa_data = command(userid, **updates)['result']
+ if cust and action == 'Cre':
+ getattr(api.Command, what + '_mod')(userid, addattr=cust)
+ else:
+ logger.debug('no updates for %s %s in FreeIPA', what, userid)
+
+ return ipa_data.get('memberof_group', ()), stage, \
+ ipa_data.get('randompassword')
+
+
+#########################[ Get FreeIPA group members ]#########################
+def get_group(api, group, gid, description, idview, group_cache={}):
+ try:
+ return group_cache[group]
+ except KeyError:
+ ipa_group = ipa_update_create(api, 'group', 'group', group,
+ add_params={'description': description})
+ result = group_cache[group] = ipa_group.get('member_user', [])
+
+ if idview: # Update or create idoverride for group?
+ ipa_update_create(api, 'idoverridegroup', 'GID override', idview,
+ group, gidnumber=gid, cn=group, add_params={
+ 'description': "Added by %s while syncronizing %s with %s" \
+ % (PROG_NAME, group, args.ldapserver) })
+ return result
+
+
+######################[ Update FreeIPA group membership ]######################
+def group_commit(command, desc, group, updates):
+ logger.info('Updating FreeIPA group %s, %s: %s', group, desc, updates)
+ getattr(api.Command, command)(group, user=list(updates))
+
+def group_queue(command, desc, groups, users, commit, maxqueue=0, queue={}):
+ if groups and users:
+ for group in (groups,) if isinstance(groups, str) else groups:
+ try:
+ queued = queue[group]
+ queued.update((users,) if isinstance(users, str) else users)
+ if not commit and len(queued) > maxqueue:
+ group_commit(command, desc, group, queued)
+ del queue[group]
+ except KeyError:
+ queue[group] = set((users,) if isinstance(users,str) else users)
+ if commit and queue:
+ for group, updates in queue.items():
+ group_commit(command, desc, group, updates)
+ queue.clear()
+
+def group_add(api, groups=None, users=None, commit=False, maxq=100, queue={}):
+ group_queue('group_add_member', 'adding', groups, users, commit, maxq,queue)
+
+def group_del(api, groups=None, users=None, commit=False, maxq=100, queue={}):
+ group_queue('group_remove_member','removing',groups,users,commit,maxq,queue)
+
+
+###############################################################################
+def attr_replace(data, attr, value, param=None):
+ """Remove/overwrite data[option] based on value, return inital data[option].
+ parameters:
+ data - dict to update
+ option - attribute in data to update
+ value - if ''-->delete, if None-->no change, else overwrite with value
+ param - if value contains %s, it will be replaced by this value
+ """
+ result = data.get(attr)
+ if value:
+ data[attr] = value % userid if '%s' in value else value
+ elif value == '' and result is not None:
+ del data[attr]
+ return result
+def attr_remove(data, attr): return attr_replace(data, attr, '', None)
+
+
+if __name__ == '__main__':
+ logging.basicConfig(format=LOG_FORMAT)
+ args = parse_args()
+
+ try:
+ logger.debug('connecting to FreeIPA')
+ if api.isdone('finalize') is False:
+ api.bootstrap_with_global_options(context='api')
+ api.finalize()
+ api.Backend.rpcclient.connect()
+
+ logger.info('Connecting to LDAP server %s', args.ldapserver)
+ ldap = args.ldapconnection(args.ldapserver, args.basedn)
+
+ if not ldap.check_schema(exists=not args.cleanup_schema,
+ update_schema=args.update_schema or args.cleanup_schema):
+ logger.error("Required LDAP schema customizations not in FreeIPA")
+ exit(1)
+ elif args.cleanup_schema:
+ print("LDAP schema customizations are removed from FreeIPA")
+ exit(0)
+
+ if args.idview: # Ensure IDView exists (if specified)
+ ipa_update_create(api, 'idview', 'Compatibility View', args.idview,
+ add_params={ 'description': 'Created by %s while syncronizing '
+ 'with %s' % (PROG_NAME, args.ldapserver) })
+
+ logger.info('searching for users')
+ excl_users = ldap.get_group_members(*args.x_group) | set(args.x_user)
+ users = ldap.get_group_members(*args.user_group) | set(args.user)
+ for dn, user_data in ldap.get_users(*users, excl_users=excl_users,
+ customfilter=args.filter):
+ user, *aliases = attr_remove(user_data, 'uid')
+ if aliases:
+ logger.warn('ignoring additional userid\'s for user %s: %s',
+ user,', '.join(aliases))
+ if not args.migrate_password:
+ attr_remove(user_data, 'userpassword')
+ uid=attr_remove(user_data, 'uidnumber')
+ gid=attr_remove(user_data, 'gidnumber')
+ homedir=attr_replace(user_data,'homedirectory',args.homedir,user)
+ loginshell=attr_replace(user_data,'loginshell',args.loginshell,user)
+
+ in_groups, is_stage, password = process_user(api, user, user_data,
+ stage=args.stage, enforce_password=bool(args.password_logfile))
+
+ if password:
+ with open(args.password_logfile, 'a') as file:
+ print(user, password, user_data.get('givenname',''),
+ user_data.get('sn',''), user_data.get('cn',''),
+ ','.join(user_data.get('mail','')), sep='\t', file=file)
+
+ if is_stage:
+ logger.debug('not processing group membership or ID overrides '
+ 'for stage user %s', user)
+ continue
+
+ if args.idview: # Update or create the idoverride for the user?
+ ipa_update_create(api, 'idoverrideuser', 'UID/GID override',
+ args.idview, user, uidnumber=uid, gidnumber=gid,
+ homedirectory=homedir, loginshell=loginshell,
+ add_params={ 'description':
+ "Added by %s while syncronizing %s with %s"
+ % (PROG_NAME, user, args.ldapserver)})
+
+ if args.group is not None:
+ remaining_groups = list(in_groups) if not args.group else \
+ [ g for g in in_groups if g in args.group ]
+ for group, gid, desc in ldap.get_user_groups(user, args.group):
+ if user not in get_group(api,group,gid,desc,args.idview):
+ logger.debug('adding user %s to group %s', user, group)
+ group_add(api, group, user)
+ if group in remaining_groups:
+ remaining_groups.remove(group)
+ if remaining_groups:
+ logger.debug('removing user %s from group(s) %s', user,
+ ', '.join(remaining_groups))
+ group_del(api, remaining_groups, user)
+
+ group_add(api, commit=True)
+ group_del(api, commit=True)
+ except LDAPError as e:
+ logger.critical("Error with LDAP commmunication: %s", e)
+ except AuthenticationError:
+ logger.critical("Unable to authenticate to FreeIPA, "
+ "make sure you have a valid Kerberos ticket!")
+ except PublicError as e:
+ logger.critical("error while communicating with FreeIPA: %s", e)
+ else:
+ exit(0)
+ exit(1)
+
--
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