dhclient-script, hooks, and changing the environment

[martin f krafft]

also sprach Theodore Tso <tytso at mit.edu> [2008.08.08.1453 -0300]:
> In the past I've used dhclient-enter-hooks.d to work around buggy
> hotel networks which advertise a gateway for the default route
> which is outside the local network.

netconf could handle this internally, and it would be fair to
include this.

So assuming yo get a 192.168.0.0/24 address and the default gateway
is 10.0.0.1, what is the best approach? Hacking the netmask seems
awful. Adding a route that makes 10.0.0.1 link-local seems better,
no?

so assuming a CIDR $ip_addr object, a $router object, and the $iface
string parsed from dhclient, you'd do:

  if not ip_addr.get_network().includes(router):
    add_linklocal_route(router, iface)

?

-- 
 .''`.   martin f. krafft <madduck at debian.org>
: :'  :  proud Debian developer, author, administrator, and user
`. `'`   http://people.debian.org/~madduck - http://debiansystem.info
  `-  Debian - when you have better things to do than fixing systems
 
you can't assign IP address 127.0.0.1 to the loopback adapter,
because it is a reserved address for loopback devices.
                                  -- micro$oft windoze xp professional
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