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
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