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DescriptionAlexey Tikhonov
2020-06-10 14:52:23 UTC
This bug was initially created as a copy of Bug #1507683
I am copying this bug because: to track fix for RHEL8
Description of problem:
Smart Card login to GDM on IPA client with certificate mapped to multiple users is behaving unexpectedly when promptusername is set to False. When I insert the card and GDM at login screen, it blanks. Then it goes to a "Password" prompt. There is no indication of which user this is for.
Version-Release number of selected component (if applicable):
gdm-3.22.3-12.el7.x86_64
sssd-1.15.2-50.el7_4.6.x86_64
ipa-client-4.5.0-21.el7_4.2.2.x86_64
How reproducible:
always on my local test VMs.
Steps to Reproduce:
1. Setup IPA server and client with smart card cert mapped to two users
2. set promptusername to false
ipa certmapconfig-mod --promptusername=False
3. Connect smart card reader to client and insert card
Actual results:
password prompt
Expected results:
error message or simply return to user list login screen.
Additional info:
Additional commit:
Pushed PR: https://github.com/SSSD/sssd/pull/5212
* `master`
* 31e57432537b9d248839159d83cfa9049faf192b - pam_sss: make sure old certificate data is removed before retry
Verified.
Version::
sssd-client-2.3.0-6.el8.x86_64
Results ::
[root@rhel8-8 usercert]# ipa certmapconfig-mod --promptusername=False
Prompt for the username: FALSE
[root@rhel8-8 usercert]# ipa certmap-match ipauser1.crt
---------------
2 users matched
---------------
Domain: SMARTCARD.TEST
User logins: ipauser1, ipauser2
----------------------------
Number of entries returned 1
----------------------------
[root@rhel8-8 usercert]# systemctl stop sssd; rm -rf /var/lib/sss/{db,mc}/*; systemctl start sssd
[root@rhel8-8 usercert]# systemctl restart gdm
Now remove card from reader before gdm restarts
Insert card when gdm comes up
GDM prompted for PIN
when I enter pin, I see the "Sorry, that didn't work. Please try again".
This is expected behavior wth the patch.
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 (sssd bug fix and enhancement update), 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://access.redhat.com/errata/RHBA-2020:4569