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Date:      Mon, 15 Jul 2013 16:13:03 +0700
From:      Olivier Nicole <olivier.nicole@cs.ait.ac.th>
To:        s m <sam.gh1986@gmail.com>
Cc:        freebsd-questions <freebsd-questions@freebsd.org>
Subject:   Re: find netmask for offered lease in dhclient code
Message-ID:  <CA%2Bg%2BBviw_OVcb8S=RPSzhy_JjCgXHMH7kcRNz8OvtNLEBBqomg@mail.gmail.com>
In-Reply-To: <CAA_1SgFfZGn06kL_m8fvOA67TszjU5A8F55X_xuiSL8-xtmnng@mail.gmail.com>
References:  <CAA_1SgFfZGn06kL_m8fvOA67TszjU5A8F55X_xuiSL8-xtmnng@mail.gmail.com>

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Hi,

> i want to change dhclient code and customize it. in order to do that, i
> need to know the netmask for offered ip. i see code and found that struct
> client_lease  *offered_leases, keeps information about offered lease such
> as ip address but this structure hasn't any field about netmask. i don't
> know how i can find the netmak for this offered ip address.

According to wireshark, it's in option t=1, l=4

Olivier

> any one has traced dhclient code before? how can i see the netmask for
> offered ip?
>
> thanks in advance,
> SAM
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