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Increment icmpstat.icps_badlen for bad length of ICMP_MASKREQ, per 

Stevens in TCP/IP Illustrated vol. 2, p.319.  Submitted by
Koji Imada <koji@math.human.nagoya-u.ac.jp> in PR #3712.
This commit is contained in:
thorpej 1997-06-24 01:26:19 +00:00
parent ff2ea5d139
commit b791871522
1 changed files with 4 additions and 2 deletions
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6
sys/netinet/ip_icmp.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_icmp.c,v 1.22 1996/10/13 02:03:04 christos Exp $ */
/* $NetBSD: ip_icmp.c,v 1.23 1997/06/24 01:26:19 thorpej Exp $ */
/*
* Copyright (c) 1982, 1986, 1988, 1993
@ -343,8 +343,10 @@ icmp_input(m, va_alist)
* We are not able to respond with all ones broadcast
* unless we receive it over a point-to-point interface.
*/
if (icmplen < ICMP_MASKLEN)
if (icmplen < ICMP_MASKLEN) {
icmpstat.icps_badlen++;
break;
}
if (ip->ip_dst.s_addr == INADDR_BROADCAST ||
in_nullhost(ip->ip_dst))
icmpdst.sin_addr = ip->ip_src;