Mark a frame invalid if its message type value exceeds

LMPF_MSG_CHANNEL_STATUS_RESP.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@5611 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/packet-lmp.c b/packet-lmp.c
index e36177d62cc6bdbeb9b2072de50c0306eb8c9865..cd208efc6cc30af58e0100a4bb5517f3967ba67a 100644 (file)
--- 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) {