diff options
| author | Guy Harris <guy@alum.mit.edu> | 2003-04-28 19:24:48 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2003-04-28 19:24:48 +0000 |
| commit | 22ad95955e4166649ba7a7d0b04c048bf8316e0d (patch) | |
| tree | fede8a28560da3b7f0d306320eb2162c6110a06b /packet-icmpv6.c | |
| parent | be831f9845e589a18f045b7a531039daa93f2ead (diff) | |
From Yaniv Kaul: check a reserved field against 0 (the RFC specifies it
must be zero), and displays an indication of whether it's zero or not.
svn path=/trunk/; revision=7593
Diffstat (limited to 'packet-icmpv6.c')
| -rw-r--r-- | packet-icmpv6.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/packet-icmpv6.c b/packet-icmpv6.c index 33a1acea7a..c21c998744 100644 --- a/packet-icmpv6.c +++ b/packet-icmpv6.c @@ -1,7 +1,7 @@ /* packet-icmpv6.c * Routines for ICMPv6 packet disassembly * - * $Id: packet-icmpv6.c,v 1.71 2003/04/27 20:57:58 deniel Exp $ + * $Id: packet-icmpv6.c,v 1.72 2003/04/28 19:24:48 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -147,6 +147,8 @@ dissect_icmpv6opt(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tre struct nd_opt_hdr nd_opt_hdr, *opt; int len; char *typename; + static const guint8 nd_redirect_reserved[6] = {0, 0, 0, 0, 0, 0}; + guint8 nd_redirect_res[6]; if (!tree) return; @@ -272,6 +274,13 @@ again: break; } case ND_OPT_REDIRECTED_HEADER: + tvb_memcpy(tvb, (guint8 *)&nd_redirect_res, offset + 2, 6); + if (memcmp(nd_redirect_res, nd_redirect_reserved, 6) == 0) + proto_tree_add_text(icmp6opt_tree, tvb, + offset + 2, 6, "Reserved: 0 (correct)"); + else + proto_tree_add_text(icmp6opt_tree, tvb, + offset +2, 6, "Reserved: MUST be 0 (incorrect!)"); proto_tree_add_text(icmp6opt_tree, tvb, offset + 8, (opt->nd_opt_len << 3) - 8, "Redirected packet"); dissect_contained_icmpv6(tvb, offset + 8, pinfo, icmp6opt_tree); |