diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-06-07 07:22:27 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-06-07 07:22:27 +0000 |
| commit | b445012ced98c82ff62e42965759a930b18e511a (patch) | |
| tree | be560234e803e0bff376bf12463c7d3115f1e1f7 /sys/netinet | |
| parent | 52bfdaa2df1127361147298167f12b3278773be6 (diff) | |
return a ICMP_UNREACH_PROTOCOL for protocols we do not support; discussion with cmetz
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/raw_ip.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c index c7daff8c139..72021984766 100644 --- a/sys/netinet/raw_ip.c +++ b/sys/netinet/raw_ip.c @@ -1,4 +1,4 @@ -/* $OpenBSD: raw_ip.c,v 1.17 1999/04/20 23:04:54 niklas Exp $ */ +/* $OpenBSD: raw_ip.c,v 1.18 1999/06/07 07:22:26 deraadt Exp $ */ /* $NetBSD: raw_ip.c,v 1.25 1996/02/18 18:58:33 christos Exp $ */ /* @@ -67,6 +67,7 @@ didn't get a copy, you may request one from <license@ipv6.nrl.navy.mil>. #include <netinet/ip_var.h> #include <netinet/in_pcb.h> #include <netinet/in_var.h> +#include <netinet/ip_icmp.h> #ifdef IPSEC extern int check_ipsec_policy __P((struct inpcb *, u_int32_t)); @@ -149,7 +150,10 @@ rip_input(m, va_alist) else sorwakeup(last); } else { - m_freem(m); + if (ip->ip_p != IPPROTO_ICMP) + icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 0, 0); + else + m_freem(m); /* Perhaps should send an ICMP protocol unreachable here. */ ipstat.ips_noproto++; ipstat.ips_delivered--; |