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List:       busybox
Subject:    ifup / udev problem
From:       Ignacio_García_Pérez <iggarpe () terra ! es>
Date:       2007-03-29 9:40:08
Message-ID: 460B8978.2060607 () terra ! es
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Hi,

This used to work in my system but no longer does:

I set up several SLIP interfaces using "slattach". As soon as the slX 
interfaces show up, the udevd daemon calls, via a rules file, /sbin/ifup 
for each interface.

Then ifup fails miserably to configure the interface. The problem seems 
to be that ifup *does not use absolute paths* for the external programs 
it calls (run-parts, ip, etc), thus it relies on the PATH being properly 
set.

And udevd does not pass a PATH environment variable.

My question is: what is the *proper* way to fix this?

a) Manage to get udevd to pass a valid path to ifup.

b) Fix ifup so it uses absolute paths to the external programs it uses.

c) Fix ifup so it uses a meaningful default PATH 
(/sbin:/bin:/usr/sbin:/usr/bin) when none is available.

Nacho.

P.S: I don't have changed the udev rules, so I assume it used to work 
because either ifup used absolute paths, or used a meaningful default 
path, or -the least likely- a previous version of udevd passed a PATH to 
the programs it executes.
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