Date: Thu, 22 Jun 2006 14:04:27 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Hajimu UMEMOTO <ume@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet ip_fw2.c Message-ID: <20060622140253.X60374@maildrop.int.zabbadoz.net> In-Reply-To: <200606221322.k5MDMs2X065252@repoman.freebsd.org> References: <200606221322.k5MDMs2X065252@repoman.freebsd.org>
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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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