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Fix fragment length checks. Fixes bugs 440 and 442-446. 

svn path=/trunk/; revision=15824
This commit is contained in:
Gerald Combs 2005-09-15 18:42:04 +00:00
parent 46276102d9
commit e777958eb6
1 changed files with 2 additions and 2 deletions
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4
epan/dissectors/packet-fc.c
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@ -1122,13 +1122,13 @@ dissect_fc_helper (tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, gboolean
* these frames.
*/
if ((pinfo->ethertype == ETHERTYPE_UNK) || (pinfo->ethertype == ETHERTYPE_FCFT)) {
if ((frag_size <= MDSHDR_TRAILER_SIZE) &&
if ((frag_size <= MDSHDR_TRAILER_SIZE) ||
((frag_size == MDSHDR_TRAILER_SIZE) && (ftype != FC_FTYPE_LINKCTL) &&
(ftype != FC_FTYPE_BLS) && (ftype != FC_FTYPE_OHMS)))
THROW(ReportedBoundsError);
frag_size -= MDSHDR_TRAILER_SIZE;
} else if (pinfo->ethertype == ETHERTYPE_BRDWALK) {
if ((frag_size <= 8) &&
if ((frag_size <= 8) ||
((frag_size == MDSHDR_TRAILER_SIZE) && (ftype != FC_FTYPE_LINKCTL) &&
(ftype != FC_FTYPE_BLS) && (ftype != FC_FTYPE_OHMS)))
THROW(ReportedBoundsError);