Hi,
(Please maintain the Cc line so our BTS is kept in the loop)

I've had a bug reported against dhclient, where environment variables passed
to dhclient aren't being made available to dhclient-script.

Case in point is http://bugs.debian.org/279741

In summary, Debian's ifupdown makes certain configuration directives in
/etc/network/interfaces available in the environment as $IF_{directive}. The
bug reporter has added a metric directive, which is being passed to dhclient
as $IF_METRIC. I can verify this, as the bug submitter has, by examining
/proc/$pid/environ

However, if one adds a "set" call to dhclient to dump the environment,
there's no mention of this variable, so it's being eaten somewhere along the
way.

Bug or feature?

regards

Andrew


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