diff options
| author | Gerald Combs <gerald@wireshark.org> | 2002-06-02 21:42:58 +0000 |
|---|---|---|
| committer | Gerald Combs <gerald@wireshark.org> | 2002-06-02 21:42:58 +0000 |
| commit | 0caa130763f0320b65a4f2ac163ab9a931c24ff9 (patch) | |
| tree | 3d945ae744653b9f1c9e4b5ca33d66fbbe603970 /packet-lmp.c | |
| parent | 8de8efa28443cf831aebe970d8317b0d33749d53 (diff) | |
Mark a frame invalid if its message type value exceeds
LMPF_MSG_CHANNEL_STATUS_RESP.
svn path=/trunk/; revision=5611
Diffstat (limited to 'packet-lmp.c')
| -rw-r--r-- | packet-lmp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/packet-lmp.c b/packet-lmp.c index e36177d62c..cd208efc6c 100644 --- a/packet-lmp.c +++ b/packet-lmp.c @@ -3,7 +3,7 @@ * * (c) Copyright Ashok Narayanan <ashokn@cisco.com> * - * $Id: packet-lmp.c,v 1.6 2002/05/10 18:37:38 ashokn Exp $ + * $Id: packet-lmp.c,v 1.7 2002/06/02 21:42:58 gerald Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -68,6 +68,7 @@ #include "packet-ip.h" #include "packet-rsvp.h" +#include "packet-frame.h" static int proto_lmp = -1; #define LMP_VER_DRAFT_CCAMP_02 2 @@ -827,8 +828,14 @@ dissect_lmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) offset+3, 1, message_type); proto_tree_add_text(lmp_header_tree, tvb, offset+4, 2, "Length: %d bytes", msg_length); - proto_tree_add_boolean_hidden(lmp_header_tree, lmp_filter[LMPF_MSG + message_type], tvb, + if (LMPF_MSG + message_type <= LMPF_MSG_CHANNEL_STATUS_RESP) { + proto_tree_add_boolean_hidden(lmp_header_tree, lmp_filter[LMPF_MSG + message_type], tvb, offset+3, 1, 1); + } else { + proto_tree_add_protocol_format(lmp_header_tree, proto_malformed, tvb, offset+3, 1, + "Invalid message type: %u", message_type); + return; + } cksum = tvb_get_ntohs(tvb, offset+6); if (!pinfo->fragmented && (int) tvb_length(tvb) >= msg_length) { |