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Bug 1189888 - Kerberos ticket auto-renewal not working
Summary: Kerberos ticket auto-renewal not working
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: gnome-online-accounts
Version: 7.1
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Ray Strode [halfline]
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-02-05 18:09 UTC by Roshni
Modified: 2015-11-19 08:27 UTC (History)
6 users (show)

Fixed In Version: gnome-online-accounts-3.14.4-3.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-11-19 08:27:47 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
goa daemon log (556 bytes, text/plain)
2015-02-05 18:09 UTC, Roshni 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
GNOME Bugzilla 693578 0 'Normal' 'RESOLVED' 'Refresh credentials at startup and network changes' 2019-11-26 17:58:33 UTC
Red Hat Product Errata RHBA-2015:2157 0 normal SHIPPED_LIVE control-center bug fix and enhancement update 2015-11-19 08:48:59 UTC

Description Roshni 2015-02-05 18:09:48 UTC 
Created attachment 988587 [details]
goa daemon log

Description of problem:
Kerberos ticket auto-renewal not working

Version-Release number of selected component (if applicable):
gnome-online-accounts-3.8.5-14.el7.x86_64

How reproducible:
always

Steps to Reproduce:
1. Login using a smartcard that has a kerberos user that has a ticket lifetime of 32 hours
2. Create a keyring password when prompted for
3. The following is what my /etc/krb5.conf looks like

[libdefaults]
 dns_lookup_realm = false
 ticket_lifetime = 32m
 renew_lifetime = 72h
 forwardable = true
 rdns = false
 default_realm = EXAMPLE.COM
 default_ccache_name = KEYRING:persistent:%{uid}
.
.
.
[appdefaults]
   pam = {
     debug = true
     ticket_lifetime = 32m
     renew_lifetime = 72h
     forwardable = true
     krb4_convert = false
   }

The following is what my kdc.conf in the KDC server looks like

[realms]
 EXAMPLE.COM = {
  #master_key_type = aes256-cts
  acl_file = /var/kerberos/krb5kdc/kadm5.acl
  dict_file = /usr/share/dict/words
  admin_keytab = /var/kerberos/krb5kdc/kadm5.keytab
  supported_enctypes = aes256-cts:normal aes128-cts:normal des3-hmac-sha1:normal arcfour-hmac:normal camellia256-cts:normal camellia128-cts:normal des-hmac-sha1:normal des-cbc-md5:normal des-cbc-crc:normal
pkinit_anchors = FILE:/var/kerberos/krb5kdc/kdc-ca.pem
  pkinit_identity = PKCS12:/var/kerberos/krb5kdc/kdc.p12
  pkinit_allow_upn = on
  pkinit_eku_checking = scLogin
  max_renewable_life = 7d
 }

Also attaching the goa daemon log

Actual results:
Kerberos ticket should be automatically renewed

Expected results:
Kerberos ticket is not automatically renewed

Additional info:
Comment 2 Debarshi Ray 2015-06-08 15:37:37 UTC 
(In reply to Roshni from comment #0)
> Steps to Reproduce:
> 1. Login using a smartcard that has a kerberos user that has a ticket
> lifetime of 32 hours

Let's ignore the smartcard bit for the time being.

This has been a long-standing issue with gnome-online-accounts. It would not try to refresh the ticket across session restarts, or during network changes. This has now been fixed upstream and I will backport it for RHEL 7.2.

If there are, indeed, any smartcard specific issues, we can use a separate bug.
Comment 3 Debarshi Ray 2015-06-08 16:08:42 UTC 
I have built gnome-online-accounts-3.14.4-2.el7:
https://brewweb.devel.redhat.com/taskinfo?taskID=9322540
Comment 5 Debarshi Ray 2015-06-08 16:27:03 UTC 
One crude way of testing it is:
(i) Disconnect from the network that has the KDC.
(ii) Use kdestroy to delete the ticket.
(iiia) Restart goa-daemon (/usr/libexec/goa-daemon --replace)
(iiib) Rejoin the network that has the KDC
Comment 6 Roshni 2015-09-16 20:49:46 UTC 
Using gnome-online-accounts-3.14.4-2.el7 I still see the issue reported in the bug. Seeing the issue when logged in using smartcard with a kerberos user and also when logged in using kerberos user password.
Comment 7 Matthias Clasen 2015-09-18 18:21:37 UTC 
Ray, could you have a look at this ? Debarshi is out next week, unfortunately.
Comment 9 Ray Strode [halfline] 2015-09-22 18:53:39 UTC 
I looked into this a bit today.  There were a few issues:

1) we were only honoring renewal requests right at start up, but of a strangely missing if() statement in the code

2) we were failing to keep a constant renewal time for kernel keyring based credential caches

3) crasher fix for a corner case i noticed that maybe only happens if you have a break point in gdb in the right place for an extended period of time.
Comment 13 errata-xmlrpc 2015-11-19 08:27:47 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-2015-2157.html
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