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Bug 705434 - IPA provider fails initgroups() if user is not a member of any group
Summary: IPA provider fails initgroups() if user is not a member of any group
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: sssd
Version: 6.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Stephen Gallagher
QA Contact: Chandrasekar Kannan
URL:
Whiteboard:
Depends On:
Blocks: 748834
TreeView+ depends on / blocked
 
Reported: 2011-05-17 16:45 UTC by Stephen Gallagher
Modified: 2020-05-04 10:20 UTC (History)
6 users (show)

Fixed In Version: sssd-1.5.1-35.el6
Doc Type: Bug Fix
Doc Text:
Cause: the IPA provider would report an error if it did not find any group memberships for a user during the initgroups operation Consequence: The initgroups operation failed Fix: the IPA provider was fixed so that it gracefully handles users without group memberships Result: initgroups operation succeeds for users that are not members of any group
Clone Of:
: 748834 (view as bug list)
Environment:
Last Closed: 2011-12-06 16:38:24 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github SSSD sssd issues 1914 0 None closed IPA provider fails initgroups() if user is not a member of any group 2020-05-04 10:20:45 UTC
Red Hat Product Errata RHBA-2011:1529 0 normal SHIPPED_LIVE sssd bug fix and enhancement update 2011-12-06 00:50:20 UTC

Description Stephen Gallagher 2011-05-17 16:45:38 UTC 
Description of problem:
Attempting to perform an initgroups() lookup of a user that belongs to no groups causes SSSD to throw an error and return no results for the user.

Version-Release number of selected component (if applicable):
sssd-1.5.1-34.el6


How reproducible:
Every time

Steps to Reproduce:
1. Configure sssd using ipa-client-install to point at a FreeIPA v2 server.
2. Add a new user to the FreeIPA v2 server (e.g. newuser)
3. Remove this user from the ipausers group (to which they are added automatically)
4. Verify with 'ipa user-show newuser' that the user is not a member of any groups
5. On the client running SSSD, as root run 'su - newuser'
  
Actual results:
id: cannot find name for user ID 115200007


Expected results:
No error message


Additional info:
Comment 1 Stephen Gallagher 2011-05-17 16:50:10 UTC 
Upstream ticket https://fedorahosted.org/sssd/ticket/872
Comment 3 Gowrishankar Rajaiyan 2011-10-03 08:47:45 UTC 
Server:
# ipa user-add --first=shanks --last=r --password
User login [sr]: shanks
Password: 
Enter Password again to verify: 
-------------------
Added user "shanks"
-------------------
  User login: shanks
  First name: shanks
  Last name: r
  Full name: shanks r
  Display name: shanks r
  Initials: sr
  Home directory: /home/shanks
  GECOS field: shanks r
  Login shell: /bin/sh
  Kerberos principal: shanks.PNQ.REDHAT.COM
  UID: 63600003
  GID: 63600003
  Keytab: True
  Password: True

# ipa group-remove-member ipausers --users=shanks
  Group name: ipausers
  Description: Default group for all users
  GID: 63600001
---------------------------
Number of members removed 1
---------------------------

# ipa user-show shanks
  User login: shanks
  First name: shanks
  Last name: r
  Home directory: /home/shanks
  Login shell: /bin/sh
  UID: 63600003
  GID: 63600003
  Account disabled: False
  Keytab: True
  Password: True

Client:
[root@ratchet ~]# su - shanks
Creating home directory for shanks.
-sh-4.1$ 


Verified.
# rpm -qi sssd | head
Name        : sssd                         Relocations: (not relocatable)
Version     : 1.5.1                             Vendor: Red Hat, Inc.
Release     : 53.el6                        Build Date: Fri 30 Sep 2011 10:10:28 AM EDT
Install Date: Mon 03 Oct 2011 08:54:42 AM EDT      Build Host: hs20-bc2-3.build.redhat.com
Group       : Applications/System           Source RPM: sssd-1.5.1-53.el6.src.rpm
Size        : 3551489                          License: GPLv3+
Signature   : (none)
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://fedorahosted.org/sssd/
Summary     : System Security Services Daemon
Comment 4 Jakub Hrozek 2011-10-26 16:18:32 UTC 
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Cause: the IPA provider would report an error if it did not find any group memberships for a user during the initgroups operation
Consequence: The initgroups operation failed
Fix: the IPA provider was fixed so that it gracefully handles users without group memberships
Result: initgroups operation succeeds for users that are not members of any group
Comment 5 errata-xmlrpc 2011-12-06 16:38:24 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.

http://rhn.redhat.com/errata/RHBA-2011-1529.html
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