Public bug reported:
/etc/network/if-up.d/gogoc contains inconsistencies that subvert the
advertised purpose, and, more importantly, breaks ifup:
$ sudo ifup sixxs
Tunnel Information for T98765:
POP Id : deabc01
IPv6 Local : 2001:abcd:ef01:2345::2/64
IPv6 Remote : 2001:abcd:ef01:2345::1/64
Tunnel Type : ayiya
Adminstate : enabled
Userstate : enabled
run-parts: /etc/network/if-up.d/gogoc exited with return code 1
And as a consequence, the post-up section for sixxs isn't executed,
causing the route to be missed.
The cause is in the latter script itself:
1 #!/bin/sh
2 # Reload the gogoc daemon when an interface comes up.
3
4 set -e
5
...
16 # Restart only if the daemon was running already
17 /usr/bin/pgrep -f ^/usr/sbin/gogoc >/dev/null
18 if [ $? != 0 ]; then
19 exit 0
20 fi
21 invoke-rc.d gogoc restart
22
23 exit 0
The set -e prevents lines 18 - 20 from ever being executed - if there is no
match, pgrep exits with code 1, and set -e causes immediate termination of the
script, passing the exit code on.
Lines 17 ... 20 need to be collapsed to:
pgrep (arguments) >/dev/null || exit 0
alternatively rewritten as:
if pgrep (arguments) >/dev/null ; then
invoke-rc.d gogoc restart
fi
exit 0
Either is safe.
For reference, this is the relevant part from my
/etc/network/interfaces:
...
auto sixxs
iface sixxs inet6 manual
up /etc/init.d/aiccu start
post-up ip -6 route add 2000::/3 dev sixxs
pre-down ip -6 route del 2000::/3 dev sixxs
down /etc/init.d/aiccu stop
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gogoc 1:1.2-2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Tue Jun 28 00:16:00 2011
ProcEnviron:
LANGUAGE=de:en
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: gogoc
UpgradeStatus: Upgraded to natty on 2011-05-02 (56 days ago)
** Affects: gogoc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/802759
Title:
/etc/network/if-up.d/gogoc breaks ifup post-up scripts
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