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Bug 1188043 - /etc/mailman has wrong permissions 0755 instead of 2775
Summary: /etc/mailman has wrong permissions 0755 instead of 2775
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: mailman
Version: 7.0
Hardware: Unspecified
OS: Unspecified
high
unspecified
Target Milestone: rc
: ---
Assignee: Jan Kaluža
QA Contact: qe-baseos-daemons
URL:
Whiteboard:
Depends On:
Blocks: 1229307
TreeView+ depends on / blocked
 
Reported: 2015-02-01 18:08 UTC by Peter Bieringer
Modified: 2019-02-28 12:00 UTC (History)
5 users (show)

Fixed In Version: mailman-2.1.15-18.el7
Doc Type: Bug Fix
Doc Text:
Previously, the /etc/mailman file had incorrectly set permissions, which in some cases caused removing Mailman lists to fail with a "'NoneType' object has no attribute 'close'" message. With this update, the permissions value for /etc/mailman is correctly set to 2775 instead of 0755, and removing Mailman lists now works as expected.
Clone Of:
: 1229307 (view as bug list)
Environment:
Last Closed: 2015-11-20 10:28:10 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Peter Bieringer 2015-02-01 18:08:44 UTC 
Description of problem:

/etc/mailman has wrong permissions 0755 instead of 2775

This will cause issues if e.g. deleting a list as user mailman (which should be done in this way, because otherwise, /etc/mailman/aliases has suddenly root:root (if used with postfix)

Version-Release number of selected component (if applicable):
mailman-2.1.15-17.el7.x86_64


How reproducible:
always

Steps to Reproduce:
$  /usr/lib/mailman/bin/rmlist -a Testlist7
Traceback (most recent call last):
  File "/usr/lib/mailman/bin/rmlist", line 161, in <module>
    main()
  File "/usr/lib/mailman/bin/rmlist", line 122, in main
    sys.modules[modname].remove(mlist)
  File "/usr/lib/mailman/Mailman/MTA/Postfix.py", line 306, in remove
    _do_remove(mlist, ALIASFILE, False)
  File "/usr/lib/mailman/Mailman/MTA/Postfix.py", line 297, in _do_remove
    outfp.close()
AttributeError: 'NoneType' object has no attribute 'close'


Actual results:
strace -e open shows:
open("/etc/mailman/aliases", O_RDONLY)  = 3
open("/etc/mailman/aliases.tmp", O_WRONLY|O_CREAT|O_TRUNC, 0666) = -1 EACCES (Permission denied)
open("/var/lock/mailman/creator", O_RDONLY) = 3

Expected results:

working


Additional info:

workaround:
# chmod g+ws /etc/mailman/

on RHEL5 the permissions were proper:

mailman-2.1.9-6.el5_6.1
# rpm -qlv mailman |grep "etc/mailman$"
drwxrwsr-x    2 root    mailman             0 Mär 30  2011 /etc/mailman
Comment 7 Jan Kurik 2015-11-20 10:28:10 UTC 
This bug has been closed as CURRENTRELEASE due to delivery of the fix in a z-stream. As the component is not on ACL, the fix is currently included in y-stream as well.

For more information please see the zstream process documentation:
* https://engineering.redhat.com/trac/ZStream/attachment/wiki/WikiStart/Z-Stream_process_update_4.odp .
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