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Add SCTP as a known upper layer protocol over v6.

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We are not yet aware of the protocol internals but this way
SCTP traffic over v6 will not be discarded.

Reported by: Peter Lei via rrs
Tested by:   Peter Lei <peterlei cisco.com>
This commit is contained in:
Bjoern A. Zeeb 2006-11-13 19:07:32 +00:00
parent fb1856eabd
commit 89e7e7e32a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=164258
1 changed files with 8 additions and 0 deletions
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8
sys/netinet/ip_fw2.c
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@ -82,6 +82,7 @@
#include <netinet/tcpip.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/sctp.h>
#include <netgraph/ng_ipfw.h>
@ -311,6 +312,7 @@ static int fw_deny_unknown_exthdrs = 1;
*/
#define L3HDR(T, ip) ((T *)((u_int32_t *)(ip) + (ip)->ip_hl))
#define TCP(p) ((struct tcphdr *)(p))
#define SCTP(p) ((struct sctphdr *)(p))
#define UDP(p) ((struct udphdr *)(p))
#define ICMP(p) ((struct icmphdr *)(p))
#define ICMP6(p) ((struct icmp6_hdr *)(p))
@ -2222,6 +2224,12 @@ do { \
args->f_id.flags = TCP(ulp)->th_flags;
break;
case IPPROTO_SCTP:
PULLUP_TO(hlen, ulp, struct sctphdr);
src_port = SCTP(ulp)->src_port;
dst_port = SCTP(ulp)->dest_port;
break;
case IPPROTO_UDP:
PULLUP_TO(hlen, ulp, struct udphdr);
dst_port = UDP(ulp)->uh_dport;