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Alexander Bokovoy 637412acfd ipa-kdb: fix requester SID check according to MS-KILE and MS-SFU updates 
New versions of MS-KILE and MS-SFU after Windows Server November 2021
security updates add PAC_REQUESTER_SID buffer check behavior:

 - PAC_REQUESTER_SID should only be added for TGT requests

 - if PAC_REQUESTER_SID is present, KDC must verify that the cname on
   the ticket resolves to the account with the same SID as the
   PAC_REQUESTER_SID. If it doesn't KDC must respond with
   KDC_ERR_TKT_REVOKED

Change requester SID check to skip exact check for non-local
PAC_REQUESTER_SID but harden to ensure it comes from the trusted domains
we know about.

If requester SID is the same as in PAC, we already do cname vs PAC SID
verification.

With these changes FreeIPA works against Windows Server 2019 with
November 2021 security fixes in cross-realm S4U2Self operations.

Fixes: https://pagure.io/freeipa/issue/9031

Signed-off-by: Alexander Bokovoy <abokovoy@redhat.com>
Reviewed-By: Rob Crittenden <rcritten@redhat.com>
2021-11-29 21:00:42 +02:00
.copr Adding auto COPR builds 2019-12-14 14:20:34 +02:00
.github Let GH auto-notify and auto-close stale PRs 2020-05-06 20:17:01 +02:00
asn1 fix minor spelling mistakes 2017-05-19 09:52:46 +02:00
client Fix use of comparison functions to avoid GCC bug 95189 2021-11-23 10:31:34 +01:00
contrib Parse the debugging cache log to determine the read savings 2021-05-12 10:45:57 -04:00
daemons ipa-kdb: fix requester SID check according to MS-KILE and MS-SFU updates 2021-11-29 21:00:42 +02:00
doc doc/designs: fix formatting in LDAPI autobind design 2021-11-02 15:38:05 +02:00
init configure: Use HTTPD_GROUP in init/tmpfiles/ipa.conf.in 2021-11-25 21:02:56 -05:00
install fix(webui): create correct PTR record when navigated from host page 2021-11-22 12:38:35 +01:00
ipaclient Make the schema cache TTL user-configurable 2021-11-03 10:59:10 +01:00
ipalib Make the schema cache TTL user-configurable 2021-11-03 10:59:10 +01:00
ipaplatform ipaplatform: Modify paths to fips-mode-setup and systemd-tmpfiles 2021-11-25 21:02:56 -05:00
ipapython Don't store entries with a usercertificate in the LDAP cache 2021-09-16 13:16:17 -04:00
ipaserver freeipa.spec: depend on bind-dnssec-utils 2021-11-25 16:49:00 +01:00
ipasphinx Create ipasphinx package for Sphinx plugins 2020-04-28 20:03:21 +02:00
ipatests ipatests: Fix test_ipa_cert_fix.py::TestCertFixReplica teardown 2021-11-29 15:24:38 +01:00
po Update translations to FreeIPA master state 2021-11-25 18:58:57 +01:00
pypi Cleanup shebang and executable bit 2018-07-05 19:46:42 +02:00
selinux ipa config: add --enable-sid option 2021-11-02 10:11:28 +01:00
util ipa_pwd: Remove unnecessary conditional 2021-01-15 10:01:28 +01:00
.freeipa-pr-ci.yaml ipatests: revert wrong commit on gating definition 2021-11-02 11:40:25 +01:00
.git-commit-template git-commit-template: update ticket url to use pagure.io instead of fedorahosted.org 2017-03-28 13:10:08 +02:00
.gitignore Add basic support for subordinate user/group ids 2021-07-09 09:47:30 -04:00
.lgtm.yml Fix lgtm file classification 2021-03-08 08:31:41 +01:00
.mailmap mailmap: add ftweedal 2020-11-11 14:08:35 +02:00
.tox-install.sh azure: Don't customize pip's builddir 2021-10-21 08:03:03 +02:00
.wheelconstraints.in Constrain pylint to supported versions 2021-05-03 09:16:14 +02:00
ACI.txt Redesign subid feature 2021-07-09 09:47:30 -04:00
API.txt ipa config: add --enable-sid option 2021-11-02 10:11:28 +01:00
autogen.sh build tweaks - use automake's foreign mode, avoid creating empty files to satisfy gnu mode - run autoreconf -f to ensure that everything matches 2010-11-29 11:39:55 -05:00
BUILD.txt Bootstrap Sphinx documentation 2020-03-21 07:40:33 +02:00
CODE_OF_CONDUCT.md Changing Django's CoC to reflect FreeIPA CoC 2018-03-26 09:51:25 +02:00
configure.ac configure: Use HTTPD_GROUP in init/tmpfiles/ipa.conf.in 2021-11-25 21:02:56 -05:00
Contributors.txt Update list of contributors 2021-11-25 19:12:45 +01:00
COPYING Change FreeIPA license to GPLv3+ 2010-12-20 17:19:53 -05:00
COPYING.openssl Add a clear OpenSSL exception. 2015-02-23 16:25:54 +01:00
freeipa.doap.rdf Adding modified DOAP file 2018-06-22 11:02:40 -04:00
freeipa.spec.in freeipa.spec: depend on bind-dnssec-utils 2021-11-25 16:49:00 +01:00
ipa.in Replace PYTHONSHEBANG with valid shebang 2019-06-24 09:35:57 +02:00
ipasetup.py.in Address inconsistent-return-statements 2018-11-13 13:37:58 +01:00
make-doc Make an ipa-tests package 2013-06-17 19:22:50 +02:00
make-test Use pytest conftest.py and drop pytest.ini 2017-01-05 17:37:02 +01:00
makeaci.in Replace PYTHONSHEBANG with valid shebang 2019-06-24 09:35:57 +02:00
makeapi.in Replace PYTHONSHEBANG with valid shebang 2019-06-24 09:35:57 +02:00
Makefile.am pycodestyle: Check *.in Python files 2021-08-24 16:49:10 +02:00
Makefile.python.am Add PYTHON_INSTALL_EXTRA_OPTIONS and --install-layout=deb 2017-03-15 13:48:23 +01:00
Makefile.pythonscripts.am ipa-scripts: fix all ipa command line scripts to operate with -I 2019-09-19 10:44:09 -04:00
makerpms.sh Fix unnecessary usrmerge assumptions 2019-04-17 13:56:05 +02:00
pylint_plugins.py pylint: Adapt to new Pylint 2.8 2021-04-27 13:28:42 +02:00
pylintrc pylint: Adapt to new Pylint 2.8 2021-04-27 13:28:42 +02:00
README.md Update IRC links to point to Libera.chat 2021-05-27 18:26:28 +03:00
server.m4 ipa-kdb: add PAC_ATTRIBUTES_INFO PAC buffer support 2021-11-10 15:00:27 -05:00
tox.ini azure: Don't customize pip's builddir 2021-10-21 08:03:03 +02:00
VERSION.m4 ipa config: add --enable-sid option 2021-11-02 10:11:28 +01:00

README.md

FreeIPA Server

FreeIPA allows Linux administrators to centrally manage identity, authentication and access control aspects of Linux and UNIX systems by providing simple to install and use command line and web based management tools.

FreeIPA is built on top of well known Open Source components and standard protocols with a very strong focus on ease of management and automation of installation and configuration tasks.

FreeIPA can seamlessly integrate into an Active Directory environment via cross-realm Kerberos trust or user synchronization.

Benefits

FreeIPA:

  • Allows all your users to access all the machines with the same credentials and security settings
  • Allows users to access personal files transparently from any machine in an authenticated and secure way
  • Uses an advanced grouping mechanism to restrict network access to services and files only to specific users
  • Allows central management of security mechanisms like passwords, SSH Public Keys, SUDO rules, Keytabs, Access Control Rules
  • Enables delegation of selected administrative tasks to other power users
  • Integrates into Active Directory environments

Components

The FreeIPA project provides unified installation and management tools for the following components:

Project Website

Releases, announcements and other information can be found on the IPA server project page at http://www.freeipa.org/ .

Documentation

The most up-to-date documentation can be found at http://freeipa.org/page/Documentation .

Quick Start

To get started quickly, start here: http://www.freeipa.org/page/Quick_Start_Guide

For developers

Licensing

Please see the file called COPYING.

Contacts