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Make programs that use raw IP work again; trim the header length from ip_len 

before handing the packet off to the socket.
This commit is contained in:
thorpej 1999-01-30 21:43:16 +00:00
parent 0287662346
commit a22cfcf3d4
1 changed files with 7 additions and 1 deletions
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8
sys/netinet/raw_ip.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: raw_ip.c,v 1.41 1998/04/03 07:49:16 thorpej Exp $ */
/* $NetBSD: raw_ip.c,v 1.42 1999/01/30 21:43:16 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1988, 1993
@ -112,6 +112,12 @@ rip_input(m, va_alist)
ripsrc.sin_port = 0;
bzero((caddr_t)ripsrc.sin_zero, sizeof(ripsrc.sin_zero));
/*
* XXX Compatibility: programs using raw IP expect ip_len
* XXX to have the header length subtracted.
*/
ip->ip_len -= ip->ip_hl << 2;
for (inp = rawcbtable.inpt_queue.cqh_first;
inp != (struct inpcb *)&rawcbtable.inpt_queue;
inp = inp->inp_queue.cqe_next) {