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When an incoming packet is reflected back as an ICMP reply, make sure we

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zero "m->m_pkthdr.rcvif", otherwise ipfw may wrongly match the outgoing packet.
PR:		kern/9723
Submitted by:	David Malone <dwmalone@maths.tcd.ie>
This commit is contained in:
Archie Cobbs 1999-03-06 23:10:42 +00:00
parent 7347e1c6ab
commit 94446a2ed6
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/ip_icmp.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_icmp.c 8.2 (Berkeley) 1/4/94
* $Id: ip_icmp.c,v 1.32 1998/12/03 20:23:20 dillon Exp $
* $Id: ip_icmp.c,v 1.33 1998/12/04 04:21:25 dillon Exp $
*/
#include <sys/param.h>
@ -663,6 +663,7 @@ icmp_send(m, opts)
icp->icmp_cksum = in_cksum(m, ip->ip_len - hlen);
m->m_data -= hlen;
m->m_len += hlen;
m->m_pkthdr.rcvif = (struct ifnet *)0;
#ifdef ICMPPRINTFS
if (icmpprintfs) {
char buf[4 * sizeof "123"];