[Bug 1972667] [NEW] Permissions problem on run scripts after networkd-dispatcher (1.7-0ubuntu3.4)

[Roger Cornelius]

Public bug reported:

I'm unsure if this is a bug or intended behavior.  I posted to
answers.launchpad.net but received no helpful replies.

On ubuntu 20.04.4 LTS after install of update “networkd-dispatcher
(1.7-0ubuntu3.4)”, scripts in /etc/networkd-dispatcher/routable.d with
700 permissions that used to run as expected, fail to do so.  E.g., I
have some routing commands in /etc/networkd-
dispatcher/routable.d/50-iptables that should execute at boot time but
stopped after this update installed, and ‘service networkd-dispatcher
status’ returns:

May 07 14:14:49 Krieger networkd-dispatcher[581]: ERROR:invalid
permissions on /etc/networkd-dispatcher/routable.d/50-iptables. Expected
mode=0o755, uid=0, gid=0; got mode=0o700, uid=0, >

Changing permissions on 50-iptables from 0700 to 0755 corrected the
problem.

I've read the Changelog for the update, and the later update “networkd-
dispatcher (1.7-0ubuntu3.5)” which corrected a regression has also been
applied but the unexpected behavior remains.

Is this less-restrictive permissions requirement an intended result of
the update?  Is the perms requirement documented anywhere?  I don't see
it in the networkd-dispatcher man page.

Thank you

** Affects: networkd-dispatcher (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1972667

Title:
  Permissions problem on run scripts after  networkd-dispatcher
  (1.7-0ubuntu3.4)

Status in networkd-dispatcher package in Ubuntu:
  New

Bug description:
  I'm unsure if this is a bug or intended behavior.  I posted to
  answers.launchpad.net but received no helpful replies.

  On ubuntu 20.04.4 LTS after install of update “networkd-dispatcher
  (1.7-0ubuntu3.4)”, scripts in /etc/networkd-dispatcher/routable.d with
  700 permissions that used to run as expected, fail to do so.  E.g., I
  have some routing commands in /etc/networkd-
  dispatcher/routable.d/50-iptables that should execute at boot time but
  stopped after this update installed, and ‘service networkd-dispatcher
  status’ returns:

  May 07 14:14:49 Krieger networkd-dispatcher[581]: ERROR:invalid
  permissions on /etc/networkd-dispatcher/routable.d/50-iptables.
  Expected mode=0o755, uid=0, gid=0; got mode=0o700, uid=0, >

  Changing permissions on 50-iptables from 0700 to 0755 corrected the
  problem.

  I've read the Changelog for the update, and the later update
  “networkd-dispatcher (1.7-0ubuntu3.5)” which corrected a regression
  has also been applied but the unexpected behavior remains.

  Is this less-restrictive permissions requirement an intended result of
  the update?  Is the perms requirement documented anywhere?  I don't
  see it in the networkd-dispatcher man page.

  Thank you

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