cvs commit: src/sys/netinet ip_fw2.c

[Bjoern A. Zeeb]

On Thu, 22 Jun 2006, Hajimu UMEMOTO wrote:

> ume         2006-06-22 13:22:54 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/netinet          ip_fw2.c
>  Log:
>  - Pullup even when the extention header is unknown, to prevent
>    infinite loop with net.inet6.ip6.fw.deny_unknown_exthdrs=0.
>  - Teach ipv6 and ipencap as they appear in an IPv4/IPv6 over IPv6
>    tunnel.
>  - Test the next extention header even when the routing header type
>    is unknown with net.inet6.ip6.fw.deny_unknown_exthdrs=0.

@@ -2189,7 +2189,10 @@ do {									\

  		case IPPROTO_ROUTING:	/* RFC 2460 */
  			PULLUP_TO(hlen, ulp, struct ip6_rthdr);
-			if (((struct ip6_rthdr *)ulp)->ip6r_type != 0) {
+			switch (((struct ip6_rthdr *)ulp)->ip6r_type) {
+			case 0:

I think you are missing a
 				ulp = NULL;
here?


+				break;
+			default:
  				printf("IPFW2: IPV6 - Unknown Routing "
  				    "Header type(%d)\n",
  				    ((struct ip6_rthdr *)ulp)->ip6r_type);


-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT