diff options
| author | tuexen <tuexen@FreeBSD.org> | 2016-05-25 15:54:21 +0000 |
|---|---|---|
| committer | tuexen <tuexen@FreeBSD.org> | 2016-05-25 15:54:21 +0000 |
| commit | 0bb4927e0cd15615ab53329a9f0e8403ab38e5fd (patch) | |
| tree | 44c77cc0da617bfefb1776aa311e77551a3828c8 | |
| parent | 1b6bea5af7a2f9cfe3b236490851d8df4e27098d (diff) | |
| download | FreeBSD-src-0bb4927e0cd15615ab53329a9f0e8403ab38e5fd.zip FreeBSD-src-0bb4927e0cd15615ab53329a9f0e8403ab38e5fd.tar.gz | |
Send an ICMP packet indicating destination unreachable/protocol
unreachable if we don't handle the packet in the kernel and not
in userspace.
MFC after: 1 week
| -rw-r--r-- | sys/netinet/raw_ip.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c index 74a9d9a..59540a5 100644 --- a/sys/netinet/raw_ip.c +++ b/sys/netinet/raw_ip.c @@ -71,6 +71,7 @@ __FBSDID("$FreeBSD$"); #include <netinet/ip.h> #include <netinet/ip_var.h> #include <netinet/ip_mroute.h> +#include <netinet/ip_icmp.h> #ifdef IPSEC #include <netipsec/ipsec.h> @@ -416,8 +417,10 @@ rip_input(struct mbuf **mp, int *offp, int proto) if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { IPSTAT_INC(ips_noproto); IPSTAT_DEC(ips_delivered); + icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 0, 0); + } else { + m_freem(m); } - m_freem(m); } return (IPPROTO_DONE); } |
