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Remove pre-mature IP options ignoring option.
This commit is contained in:
Andre Oppermann 2004-05-03 16:07:13 +00:00
parent 987a42cca3
commit 7652802b06
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=128877
1 changed files with 2 additions and 10 deletions
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12
sys/netinet/ip_fastfwd.c
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@ -292,16 +292,8 @@ ip_fastforward(struct mbuf *m)
/*
* Only IP packets without options
*/
if (ip->ip_hl != (sizeof(struct ip) >> 2)) {
if (ip_doopts == 1)
return 0;
else if (ip_doopts == 2) {
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_FILTER_PROHIB,
0, NULL);
return 1;
}
/* else ignore IP options and continue */
}
if (ip->ip_hl != (sizeof(struct ip) >> 2))
return 0;
/*
* Only unicast IP, not from loopback, no L2 or IP broadcast,