flushing nat table fails

Bug #1019857 reported by Carsten Spiess on 2012-07-01
10
This bug affects 1 person
Affects Status Importance Assigned to Milestone
iptables-persistent (Debian)
Fix Released
Unknown
iptables-persistent (Ubuntu)
Low
Micah Gersten

Bug Description

Flushing of tables other than filter fails.
Probably caused by wrong $(</proc...) construct.

When changing the line
  for table in $(</proc/net/ip_tables_names)
to
 for table in $(cat /proc/net/ip_tables_names)

(same for ip6) it works on my installation.

Andreas Rütten (aruetten) wrote :

This is a known bashism:

# checkbashisms iptables-persistent.init
possible bashism in iptables-persistent.init line 95 ('$(< foo)' should be '$(cat foo)'):
                for table in $(</proc/net/ip_tables_names)
possible bashism in iptables-persistent.init line 112 ('$(< foo)' should be '$(cat foo)'):
                for table in $(</proc/net/ip6_tables_names)

Andreas Rütten (aruetten) wrote :
Changed in iptables-persistent (Ubuntu):
status: New → Confirmed
Changed in iptables-persistent (Debian):
status: New → Confirmed
importance: Undecided → Unknown
status: Confirmed → Unknown

The attachment "0001-Fix-bashism-in-the-flush_rules-function.patch" of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-reviewers team please also unsubscribe the team from this bug report.

[This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.]

tags: added: patch
Changed in iptables-persistent (Debian):
status: Unknown → New
Micah Gersten (micahg) wrote :

Patch looks good, uploading, thanks!

Changed in iptables-persistent (Ubuntu):
assignee: nobody → Micah Gersten (micahg)
importance: Undecided → Low
status: Confirmed → In Progress
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package iptables-persistent - 0.5.6ubuntu1

---------------
iptables-persistent (0.5.6ubuntu1) quantal; urgency=low

  * Sync on Debian (Fixes LP: #1002078)
  * fix LP: #1019857 - flushing nat table fails; Apply patch given in the bug
    by Andreas Rütten, thanks! (Closes: #683789)

iptables-persistent (0.5.6) unstable; urgency=low

  * [6b6358] Instead of checking on modules, test a working iptables more
    directly (Closes: #679840)
  * [1db63c] Remove dependency on kmod
 -- Micah Gersten <email address hidden> Thu, 23 Aug 2012 22:50:38 -0500

Changed in iptables-persistent (Ubuntu):
status: In Progress → Fix Released
Changed in iptables-persistent (Debian):
status: New → Fix Released
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