[systemd-bugs] [Bug 89248] New: SocketMode directive is "partially" ignored (bug/or lack of documentation)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89248

            Bug ID: 89248
           Summary: SocketMode directive is "partially" ignored (bug/or
                    lack of documentation)
           Product: systemd
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: davide.bettio at ispirata.com
        QA Contact: systemd-bugs at lists.freedesktop.org

How to reproduce this bug:

use: SocketMode=0777

result:
srwxr-xr-x 1 myuser mygroup 0 Feb 20 22:42 /var/run/mysocket

it looks like the following code is executed:

/* Enforce the right access mode for the socket */
old_mask = umask(~ socket_mode);

/* Include the original umask in our mask */
umask(~socket_mode | old_mask);

Fix:
Either remove umask(~socket_mode | old_mask) or document this behavior.

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