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Merge remote-tracking branch 'origin/topic/jsiwek/skip-rh0-segleft'

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* origin/topic/jsiwek/skip-rh0-segleft:
  Improve handling of IPv6 Routing Type 0 headers.

Closes #804.
This commit is contained in:
Robin Sommer 2012-03-28 15:11:11 -07:00
commit de7300f999
14 changed files with 111 additions and 5 deletions
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18
src/IP.cc
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@ -305,6 +305,24 @@ void IPv6_Hdr_Chain::Init(const struct ip6_hdr* ip6, bool set_next, uint16 next)
chain.push_back(p);
// RFC 5095 deprecates routing type 0 headers, so raise weirds for that.
if ( current_type == IPPROTO_ROUTING &&
((const struct ip6_rthdr*)hdrs)->ip6r_type == 0 )
{
IPAddr src(((const struct ip6_hdr*)(chain[0]->Data()))->ip6_src);
if ( ((const struct ip6_rthdr*)hdrs)->ip6r_segleft > 0 )
{
const in6_addr* a = (const in6_addr*)(hdrs+len-16);
reporter->Weird(src, *a, "routing0_segleft");
}
else
{
IPAddr dst(((const struct ip6_hdr*)(chain[0]->Data()))->ip6_dst);
reporter->Weird(src, dst, "routing0_header");
}
}
hdrs += len;
length += len;
} while ( current_type != IPPROTO_FRAGMENT &&