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Bug 1185188 - Uncached SIDs cannot be resolved
Summary: Uncached SIDs cannot be resolved
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.1
Hardware: Unspecified
OS: Unspecified
medium
unspecified
Target Milestone: rc
: ---
Assignee: SSSD Maintainers
QA Contact: Kaushik Banerjee
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-01-23 08:18 UTC by Sumit Bose
Modified: 2020-05-02 17:56 UTC (History)
10 users (show)

Fixed In Version: sssd-1.12.2-47.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-03-05 10:35:23 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 3608 0 None None None 2020-05-02 17:56:15 UTC
Red Hat Product Errata RHBA-2015:0441 0 normal SHIPPED_LIVE sssd bug fix and enhancement update 2015-03-05 15:05:27 UTC

Description Sumit Bose 2015-01-23 08:18:09 UTC 
Description of problem:
If a SID should be resolved to a user or group name which is not in the cache the request fails. This breaks e.g. some features on the IPA server.

Version-Release number of selected component (if applicable):
sssd-1.12.2-45.el7

How reproducible:
To reproduce call

python -c "import pysss_nss_idmap; print pysss_nss_idmap.getnamebysid('S-1-5-21-3456664713-2053453454-4165325232-500')"

on a IPA client or server with a trust to AD where the SID (S-1-5-....) exists in AD but is not in the cache of SSSD, e.g. start SSSD with an empty cache.

Actual results:
Nothing is returned

Expected results:
The nane of the user or group related to the given SID should be returned.

Additional info:
Patch available upstream
Comment 1 Jakub Hrozek 2015-01-23 11:42:05 UTC 
Upstream ticket:
https://fedorahosted.org/sssd/ticket/2566
Comment 2 Jakub Hrozek 2015-01-23 12:31:24 UTC 
Fixed upstream:
    master: d6ddc35574ba897cf9b5de3350086d9d8604f06f
    sssd-1-12: 97c0a591a1e09be520a6faaf51a4ba72d76f0c24
Comment 5 Steeve Goveas 2015-01-28 09:33:38 UTC 
Verified in version

[root@vm-idm-019 ~]# rpm -q sssd
sssd-1.12.2-52.el7.x86_64

On Server
* To get the aduser sid
[root@vm-idm-019 ~]# python -c "import pysss_nss_idmap; print pysss_nss_idmap.getsidbyname('aduser1')"
{'aduser1': {'type': 3, 'sid': u'S-1-5-21-1910160501-511572375-3625658879-1313'}}

[root@vm-idm-019 ~]# service sssd stop; rm -rf /var/lib/sss/{db,mc}/*; service sssd start

[root@vm-idm-019 ~]# python -c "import pysss_nss_idmap; print pysss_nss_idmap.getnamebysid('S-1-5-21-1910160501-511572375-3625658879-1313')"
{'S-1-5-21-1910160501-511572375-3625658879-1313': {'type': 3, 'name': u'aduser1'}}

On Client
[root@bumblebee ~]# service sssd stop; rm -rf /var/lib/sss/{db,mc}/*; service sssd start

[root@bumblebee ~]# python -c "import pysss_nss_idmap; print pysss_nss_idmap.getnamebysid('S-1-5-21-1910160501-511572375-3625658879-1313')"
{'S-1-5-21-1910160501-511572375-3625658879-1313': {'type': 3, 'name': u'aduser1'}}
Comment 7 errata-xmlrpc 2015-03-05 10:35:23 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-2015-0441.html
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