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Bug 714600

Summary:	ipa-client-install should configure sssd to store password if offline
Product:	Red Hat Enterprise Linux 6	Reporter:	Marko Myllynen <myllynen>
Component:	ipa	Assignee:	Rob Crittenden <rcritten>
Status:	CLOSED ERRATA	QA Contact:	Chandrasekar Kannan <ckannan>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	6.1	CC:	benl, dpal, jgalipea, nsoman, sbose
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	ipa-2.1.0-1.el6	Doc Type:	Bug Fix
Doc Text:	Cause: The default sssd configuration does not store passwords if offline. Consequence: If the machine is disconnected from the network sssd will be unable to authenticate users. Fix: Set krb5_store_password_if_offline to True in sssd.conf by default. There is an ipa-client-install option --no-krb5-offline-passwords if this is not desired. Result: Passwords are stored by default.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-12-06 18:36:08 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Marko Myllynen 2011-06-20 08:36:07 UTC

Description of problem:
A common use case is when a user logs in while offline, then goes online (e.g., after establishing a VPN connection) and then tries to access IPA hosts/services. This fails currently because no Kerberos ticket is available after an offline login. It would be nice if ipa-client-install would configure (at least optionally) SSSD to store password if offline (i.e., set krb5_store_password_if_offline in sssd.conf for the domain).

Version-Release number of selected component (if applicable):
RHEL 6.1

Comment 2 Rob Crittenden 2011-06-20 16:12:16 UTC

https://fedorahosted.org/freeipa/ticket/1359

Comment 3 Rob Crittenden 2011-08-01 20:16:36 UTC

master: 1c5028c17df9dc903a6db2712738670c3534246f

Comment 6 Namita Soman 2011-10-14 19:30:15 UTC

Installed client using command:
 ipa-client-install --domain=testrelm --realm=TESTRELM -p admin -w <xxx>

sssd.conf has krb5_store_password_if_offline = True

Verified request above using steps below::
1. Logged in as user test
2. kdestroy - no cached cred.
3. Client's network is stopped
4. log out user test
5. log back user test
6. And user test can log in offline
7. klist shows:
Ticket cache: FILE:/tmp/krb5cc_618800003_nNXtCe
Default principal: one@TESTRELM

Valid starting     Expires            Service principal
12/31/69 19:00:00  12/31/69 19:00:00  krbtgt/TESTRELM@TESTRELM
8. Restarted network service
9. After a few minutes, klist shows:
Ticket cache: FILE:/tmp/krb5cc_618800003_nNXtCe
Default principal: one@TESTRELM

Valid starting     Expires            Service principal
10/14/11 15:11:10  10/15/11 15:11:10  krbtgt/TESTRELM@TESTRELM
10. Can ssh as this user to master, without being prompted to reenter password.

Verified using ipa-client-2.1.2-2.el6.x86_64

Comment 7 Rob Crittenden 2011-10-31 20:19:41 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 default sssd configuration does not store passwords if offline.
Consequence: If the machine is disconnected from the network sssd will be unable to authenticate users.
Fix: Set krb5_store_password_if_offline to True in sssd.conf by default. There is an ipa-client-install option --no-krb5-offline-passwords if this is not desired.
Result: Passwords are stored by default.

Comment 8 errata-xmlrpc 2011-12-06 18:36:08 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/RHSA-2011-1533.html