netfilter buglog - Feb 2014 - [Bug 905] New: Please support passing a filename to iptables-save

https://bugzilla.netfilter.org/show_bug.cgi?id=905

           Summary: Please support passing a filename to iptables-save
           Product: iptables
           Version: unspecified
          Platform: x86_64
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: iptables-save
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: mgorny at gentoo.org
   Estimated Hours: 0.0


I'm working on systemd integration in Gentoo. One of the issues I've hit
while
integrating iptables support is that 'iptables-save' does not support
specifying a file to output to, and instead outputs to stdout only. Since
systemd does not support cleanly redirecting stdout to any file, calling it
requires quite ugly shell indirection that looks like:

  /bin/sh -c 'iptables-save > ...'

It would be really helpful to us if iptables-save supported specifying the
output file on argv, much like iptables-restore does.

I can provide a patch if you prefer. Just please let me know if I should pass
the output file as a parameter to the functions, as a global variable or use
dup2() on stdout.

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https://bugzilla.netfilter.org/show_bug.cgi?id=905

Oliver Ford <ojford at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ojford at gmail.com
           Assignee|netfilter-buglog at lists.netf |ojford at gmail.com
                   |ilter.org                   |

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Oliver Ford <ojford at gmail.com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED

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Oliver Ford <ojford at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|ASSIGNED                    |RESOLVED

--- Comment #1 from Oliver Ford <ojford at gmail.com> ---
Feature added in commit 8d994bcf6be09cd0a13d6f22c6e01e98fb130415.

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