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Bug 2079441 - SSSD update prompts for smartcard pin twice - After update to 7.9 [rhel-7.9.z]
Summary: SSSD update prompts for smartcard pin twice - After update to 7.9 [rhel-7.9.z]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: sssd
Version: 7.9
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: rc
: ---
Assignee: Sumit Bose
QA Contact: Scott Poore
URL:
Whiteboard: sync-to-jira
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-04-27 14:45 UTC by Alexey Tikhonov
Modified: 2022-06-28 09:55 UTC (History)
9 users (show)

Fixed In Version: sssd-1.16.5-10.el7_9.13
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-06-28 09:54:33 UTC
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-120198 0 None None None 2022-04-27 14:56:07 UTC
Red Hat Issue Tracker SSSD-4636 0 None None None 2022-04-27 18:39:55 UTC
Red Hat Product Errata RHBA-2022:5240 0 None None None 2022-06-28 09:54:38 UTC

Comment 3 Alexey Tikhonov 2022-04-27 14:48:37 UTC 
https://github.com/SSSD/sssd/pull/6024 needs a backport to 1-16 branch.
Comment 5 Alexey Tikhonov 2022-05-30 13:28:43 UTC 
Upstream PR: https://github.com/SSSD/sssd/pull/6187
Comment 9 Alexey Tikhonov 2022-06-10 12:46:59 UTC 
Pushed PR: https://github.com/SSSD/sssd/pull/6187

* `sssd-1-16`
    * ddfc7e99e96ee732586c07342900d287d2378802 - pam_sss: fix for old GDM screen lock
    * bcb392e60c1935a98738988c5289585acd89ce82 - pam: better SC fallback message
Comment 12 Scott Poore 2022-06-13 13:58:39 UTC 
Verified.

Version ::

sssd-1.16.5-10.el7_9.13.x86_64


Results ::

# Setup basic sssd configuration for smart card authentication

yum -y install sssd opensc pcsc-lite gnutls-utils
yum remove -y pam_pkcs11

modutil -dbdir /etc/pki/nssdb -add 'Opensc module' -libfile /usr/lib64/opensc-pkcs11.so

authconfig --enablesssd --enablesssdauth --enablesmartcard --smartcardmodule=sssd --update

cat > /etc/sssd/sssd.conf <<EOF
[sssd]
debug_level = 9
services = nss, pam
domains = shadowutils

[nss]
debug_level = 9

[pam]
debug_level = 9
pam_cert_auth = True

[domain/shadowutils]
debug_level = 9
id_provider = files

[certmap/shadowutils/localuser1]
debug_level = 9
matchrule = <SUBJECT>.*
EOF

chmod 600 /etc/sssd/sssd.conf

systemctl start pcscd
systemctl enable pcscd

yum -y install sssd-polkit-rules sssd-dbus

cp /usr/share/polkit-1/rules.d/sssd-pcsc.rules \
   /usr/share/polkit-1/rules.d/gdm-pcsc.rules
sed -i 's/sssd/gdm/g' /usr/share/polkit-1/rules.d/gdm-pcsc.rules
systemctl restart polkit

systemctl stop sssd; rm -rf /var/lib/sss/{db,mc}/*; systemctl start sssd

# comment out pam_unix auth lines from system-auth, smartcard-auth, gdm-*, maybe more

cd /etc/pam.d
sed -i 's/auth.*pam_unix/#\0/' system-auth
sed -i 's/auth.*pam_unix/#\0/' password-auth
sed -i 's/account.*pam_unix/#\0/' smartcard-auth

# Setup card with external certificate/key
# used openssl generated rootCA and valid and expired certificate/key pairs.

### check valid certificate response
Login allowed via gdm as expected with PIN

### check invalid certificate response
Error message says to "Please (re)insert (different) Smartcard".

# check with valid certificate again
message still shown until remove and reinsert smartcard.
Comment 17 errata-xmlrpc 2022-06-28 09:54:33 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 (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-2022:5240
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