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Bug 1884702

Summary: Update the login.defs manual page to remove references to LOGIN_STRING
Product: Red Hat Enterprise Linux 8 Reporter: Paulo Andrade <pandrade>
Component: shadow-utilsAssignee: Iker Pedrosa <ipedrosa>
Status: CLOSED ERRATA QA Contact: Anuj Borah <aborah>
Severity: medium Docs Contact:
Priority: medium    
Version: 8.0CC: atikhono, dapospis, dlavu, ipedrosa, pbrezina, sgoveas
Target Milestone: rcKeywords: RFE, Triaged
Target Release: 8.5Flags: pm-rhel: mirror+
Hardware: All   
OS: Linux   
Whiteboard: sync-to-jira review
Fixed In Version: shadow-utils-4.6-13.el8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-11-09 19:42:14 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Paulo Andrade 2020-10-02 17:45:44 UTC
/etc/login.defs documents the LOGIN_STRING option.
This option could be customized like:

LOGIN_STRING           "%s's Password: " 

to show the username and the Password prompt, as documented.

There are a few different layers calling 'pam_get_authtok', most,
if not all, pass NULL as prompt value. Instead of using a hardcoded
default of 'Password: ', it should parse LOGIN_STRING from
/etc/login.defs. Another option, and also for consistency, maybe
there should also exist a PAM_PASSWORD_PROMPT pair to PAM_USER_PROMPT.
In that case, it could be set by the login program.

Comment 2 Iker Pedrosa 2020-10-05 07:15:42 UTC
I don't think this issue is critical enough to include it in RHEL7. Do you mind if I change it to RHEL8?

By the way, I'm changing the component to shadow-utils, since this is the one handling LOGIN_STRING.

Comment 3 Paulo Andrade 2020-10-05 12:31:38 UTC
Just a note, shadow-utils documents it, but in the current state (easiest fix) it is pam
that should parse and LOGIN_STRING from /etc/login.defs.

Comment 4 Iker Pedrosa 2020-10-06 15:21:59 UTC
I agree that it should be pam. Moreover, I'm changing product to RHEL8.

Comment 9 Iker Pedrosa 2021-04-27 08:37:10 UTC
After a discussion with upstream (https://github.com/linux-pam/linux-pam/pull/356) I think that it doesn't make much sense to include the LOGIN_STRING functionality in pam. So, I propose to remove the references to LOGIN_STRING from login.defs file, which in turn, means changing the package to shadow-utils.

Comment 18 errata-xmlrpc 2021-11-09 19:42:14 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 (shadow-utils 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-2021:4417