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In IPv4 fast forwarding path, send ICMP unreachable messages for

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routes which have RTF_REJECT set *and* a zero expiry timer.

PR:		kern/109246
MFC after:	10 days
Submitted by:	Ingo Flaschberger
This commit is contained in:
Bruce M Simpson 2007-03-18 23:05:20 +00:00
parent 4ff78a9ca8
commit 27f8eaaf03
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/ip_fastfwd.c
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@ -500,7 +500,8 @@ passout:
* Check if route is dampned (when ARP is unable to resolve)
*/
if ((ro.ro_rt->rt_flags & RTF_REJECT) &&
ro.ro_rt->rt_rmx.rmx_expire >= time_uptime) {
(ro.ro_rt->rt_rmx.rmx_expire == 0 ||
time_uptime < ro.ro_rt->rt_rmx.rmx_expire)) {
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_HOST, 0, 0);
goto consumed;
}