Looking at the patch that went into 2.6.20.9, I can't see
how type 2 packets get through at all. Shouldn't this part
read:
+ case IPV6_SRCRT_TYPE_2:
+ if (accept_source_route >= 0)
+ break;
+ kfree_skb(skb);
+ return -1;
+ case IPV6_SRCRT_TYPE_0:
+ if (accept_source_route > 0)
+ break;
+ kfree_skb(skb);
+ return -1;
And what does this do?
+ switch (hdr->type) {
+#ifdef CONFIG_IPV6_MIP6
+ break;
+#endif
break by itself like that doesn't do anything. If it did
then people with mobile ipv6 enabled would always accept all
source routing. (They should at least know that's a problem.)
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