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Bug 1117306 - [RFE] Allow multiple Principals per host entry (Kerberos aliases)
Summary: [RFE] Allow multiple Principals per host entry (Kerberos aliases)
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: ipa
Version: 7.0
Hardware: Unspecified
OS: Unspecified
medium
unspecified
Target Milestone: rc
: ---
Assignee: Martin Kosek
QA Contact: Namita Soman
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-07-08 13:17 UTC by Dmitri Pal
Modified: 2016-11-04 05:44 UTC (History)
7 users (show)

Fixed In Version: ipa-4.4.0-4.el7
Doc Type: Enhancement
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-11-04 05:44:06 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2016:2404 0 normal SHIPPED_LIVE ipa bug fix and enhancement update 2016-11-03 13:56:18 UTC

Description Dmitri Pal 2014-07-08 13:17:11 UTC 
This bug is created as a clone of upstream ticket:
https://fedorahosted.org/freeipa/ticket/4421

{{{
# ipa host-mod `hostname` --addattr krbcanonicalname=host/`hostname`@T.VDA.LI --addattr 'krbprincipalname=IPA-01$@T.VDA.LI'
ipa: ERROR: krbprincipalname: Only one value allowed.
}}}

krbPrincipalName is multi-valued attribute; if multiple values present, krbCanonicalName attribute must be present and it should contain canonical version of the principal name.

This is critical issue for trusts going forward for file sharing as by default AD attempts to use NetBIOS name as a principal (IPA-01$@REALM, for example).
Comment 2 Petr Vobornik 2016-01-04 18:40:31 UTC 
Upstream ticket:
https://fedorahosted.org/freeipa/ticket/3961
Comment 3 Petr Vobornik 2016-01-04 18:40:41 UTC 
Upstream ticket:
https://fedorahosted.org/freeipa/ticket/3864
Comment 4 Petr Vobornik 2016-06-02 13:43:47 UTC 
Upstream ticket:
https://fedorahosted.org/freeipa/ticket/5927
Comment 5 Martin Bašti 2016-06-23 07:49:11 UTC 
master:
https://fedorahosted.org/freeipa/changeset/e43231456d8de954423582dbee439e330573d04b
https://fedorahosted.org/freeipa/changeset/5f963e1ad18fdf52d0b41e143fd12f236b2a1ce7
https://fedorahosted.org/freeipa/changeset/229ab40dd3d21346db8cd6dc65c03285f917271b
https://fedorahosted.org/freeipa/changeset/3f93f805571c1b791f0c378053ae8ecf37126e7f
https://fedorahosted.org/freeipa/changeset/7ed7a86511ec516c2f785968050f5d0a42978ba5
https://fedorahosted.org/freeipa/changeset/b169a72735fccb170adb5c84ec1bcc10a70e5494
https://fedorahosted.org/freeipa/changeset/705f66f7490c64de1adc129221b31927616c485d
https://fedorahosted.org/freeipa/changeset/1bba2ed45df83684be1d50ef6e1ddb10f7a7d074
https://fedorahosted.org/freeipa/changeset/06d945a04607dc36e25af78688b4295420489fb9
Comment 6 Martin Bašti 2016-06-28 07:18:22 UTC 
master:
https://fedorahosted.org/freeipa/changeset/d0c38d86a1f3da233da25176b4e1f267fbdc6e7f
Comment 7 Martin Bašti 2016-06-28 08:51:31 UTC 
master:
https://fedorahosted.org/freeipa/changeset/22f26cfa8e06e08795a6ad611bb7c72f003e65c4
Comment 8 Martin Bašti 2016-07-01 06:54:35 UTC 
master:
https://fedorahosted.org/freeipa/changeset/88f7154f7fcb1ca86dcbeeaca3c220ed4b88d55f
Comment 9 Martin Bašti 2016-07-01 07:39:58 UTC 
Fixed upstream
master:
https://fedorahosted.org/freeipa/changeset/de6abc7af2dac7994b0fff4396115320d1a9a54d
https://fedorahosted.org/freeipa/changeset/e6fc8f84d3ad5fc4c030ad592a3d743c02393439
https://fedorahosted.org/freeipa/changeset/974eb7b5efd20ad2195b0ad578637ab31f4c1df4
https://fedorahosted.org/freeipa/changeset/c2af032c0333f7e210c54369159d1d9f5e3fec74
https://fedorahosted.org/freeipa/changeset/d1517482b5e9508780087ec48be63a5bb531fed9
https://fedorahosted.org/freeipa/changeset/7e803aa4625869ef6a8e78a09cd99270c4cc77e5
https://fedorahosted.org/freeipa/changeset/750a392fe22aa8ddcb21077e8c24b96d36ecf20c
https://fedorahosted.org/freeipa/changeset/a28d312796839e3413c98ee37d34ccc892e85357
https://fedorahosted.org/freeipa/changeset/e6ff83e3610d553f6ff98e3adbfbe3c6984b2f17
https://fedorahosted.org/freeipa/changeset/acf2234ebc8609a35a8f45598d5d817cbdbff121
Comment 10 Petr Vobornik 2016-07-01 07:41:24 UTC 
Web UI part fixed upstream:

Fixed upstreammaster:
https://fedorahosted.org/freeipa/changeset/df56fd3371bd20a2ce8f5d0097e05437b7827e29
https://fedorahosted.org/freeipa/changeset/2232a5bb09b3e99d10598ab64d0bf5d8ef006df4
https://fedorahosted.org/freeipa/changeset/4bc2e3164fbc4fdbbd4ecd1d26001a5d4671dd94
https://fedorahosted.org/freeipa/changeset/2da3090a9716bc47e9cf29329ac9bdb734376cb6
https://fedorahosted.org/freeipa/changeset/62c4e15d16cf1b29d4a23db146c774ba01bf5935
https://fedorahosted.org/freeipa/changeset/2ec59b7f232d9119d32d7a5574efba8965904ee8
Comment 11 Jan Cholasta 2016-07-01 11:13:43 UTC 
Fixed upstream
master:
https://fedorahosted.org/freeipa/changeset/0ade41abbad324d8c54449f3b1024a7651dc259d
Comment 13 Martin Bašti 2016-07-27 13:32:00 UTC 
Upstream ticket:
https://fedorahosted.org/freeipa/ticket/6099
Comment 14 Martin Babinsky 2016-07-28 07:36:13 UTC 
Fixed upstream
master:
https://fedorahosted.org/freeipa/changeset/da2305ddb99ab982c757ab723acc95cda3d2f025
Comment 17 Martin Babinsky 2016-08-22 10:42:29 UTC 
1.) create an arbitrary host entry with `ipa host-add --force`:
# ipa host-add host.example.com --force
-----------------------------
Added host "host.example.com"
-----------------------------
Host name: host.example.com
Principal name:
host/host.example.com
Principal alias:
host/host.example.com
Password: False
Keytab: False
Managed by: host.example.com

2.) add host principal alias to the entry:
# ipa host-add-principal host.example.com host/host.example.org
--------------------------------------------
Added new aliases to host "host.example.com"
--------------------------------------------
Host name: host.example.com
Principal alias:
host/host.example.com,
host/host.example.org

3.) request a keytab for the alias:
# ipa-getkeytab -p host/host.example.org -k /root/host.keytab
Keytab successfully retrieved and stored in: /root/host.keytab

4.) kinit as the alias while requesting canonicalization:
# kinit -C -kt /root/host.keytab host/host.example.org

Expected result:

The command in 4.) will succeed and fetch TGT with the canonical principal
name of the host:

# klist
Ticket cache: KEYRING:persistent:0:krb_ccache_IZzDMoN
Default principal:
host/host.example.com

Valid starting       Expires              Service principal
08/22/2016 12:31:26  08/23/2016 12:31:26
krbtgt/IPA.TEST

Additional steps:

5.) re-kinit as admin:
# kdestroy && kinit admin

6.) remove principal alias from host entry:
# ipa host-remove-principal host.example.com host/host.example.org
--------------------------------------------
Removed aliases from host "host.example.com"
--------------------------------------------
Host name: host.example.com
Principal alias:
host/host.example.com

7.) repeat step 4.) and verify that you get the following error:
# kinit -C -kt /root/host.keytab host/host.example.org
kinit: Client 'host/host.example.org' not found
in Kerberos database while getting initial credentials
Comment 18 Xiyang Dong 2016-08-22 14:09:22 UTC 
Verified on ipa-server-4.4.0-7.el7:
1.create an arbitrary host entry with `ipa host-add --force`:
# ipa host-add host.example.com --force
-----------------------------
Added host "host.example.com"
-----------------------------
  Host name: host.example.com
  Principal name: host/host.example.com
  Principal alias: host/host.example.com
  Password: False
  Keytab: False
  Managed by: host.example.com

  Host name: host.example.com
  Principal alias: host/host.example.com@TESTRELM, host/host.example.org@TESTRELM
2.add host principal alias to the entry:
# ipa host-add-principal host.example.com host/host.example.org
--------------------------------------------
Added new aliases to host "host.example.com"
--------------------------------------------
  Host name: host.example.com
  Principal alias: host/host.example.com, host/host.example.org
3.request a keytab for the alias:
# ipa-getkeytab -p host/host.example.org -k /root/host.keytab
Keytab successfully retrieved and stored in: /root/host.keytab
4.kinit as the alias while requesting canonicalization:
# kinit -C -kt /root/host.keytab host/host.example.org
# klist
Ticket cache: KEYRING:persistent:0:krb_ccache_Ofh2e8c
Default principal: host/host.example.com

Valid starting       Expires              Service principal
08/22/2016 10:06:25  08/23/2016 10:06:25  krbtgt/TESTRELM.TEST
5.re-kinit as admin:
# kdestroy;kinit admin
Password for admin: 
6.remove principal alias from host entry:
# ipa host-remove-principal host.example.com host/host.example.org
--------------------------------------------
Removed aliases from host "host.example.com"
--------------------------------------------
  Host name: host.example.com
  Principal alias: host/host.example.com
7.repeat step 4.) and verify that you get the following error:
# kinit -C -kt /root/host.keytab host/host.example.org
kinit: Client 'host/host.example.org' not found in Kerberos database while getting initial credentials
Comment 20 errata-xmlrpc 2016-11-04 05:44:06 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-2404.html
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