Subject: Re: getting rid of NTOHS() in ip_input()
To: enami tsugutomo <email@example.com>
From: None <firstname.lastname@example.org>
Date: 08/13/2002 16:02:58
>> for this particular case (sys/net/if_gre.c) this portion is adjusting
>> length field of encapsulating IP header, which was allocated by
>> MGETHDR. therefore it is totally safe.
>All other case are also know to be safe?
i need to double-check reasssembly case. other than that, it should
be safe. i don't have any objection in having m_pullup() at the top of
ip_input() for safety, like:
if (m->m_flags & M_EXT)
m = m_pullup(m, sizeof(struct ip));