diff options
| author | Anders Broman <anders.broman@ericsson.com> | 2013-10-09 16:20:54 +0000 |
|---|---|---|
| committer | Anders Broman <anders.broman@ericsson.com> | 2013-10-09 16:20:54 +0000 |
| commit | 32bc65aa8cb90c7554e1d41b6a2964e15fb1ce41 (patch) | |
| tree | e60aafe0037dc65f13be1906b34beecc1aaf6b9c /epan/dissectors/packet-wol.c | |
| parent | 16085e86163164c43823267056624347a0de3a93 (diff) | |
Try to make more efficient heuristick checks.
svn path=/trunk/; revision=52468
Diffstat (limited to 'epan/dissectors/packet-wol.c')
| -rw-r--r-- | epan/dissectors/packet-wol.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/epan/dissectors/packet-wol.c b/epan/dissectors/packet-wol.c index 239edc57b0..44d8b97936 100644 --- a/epan/dissectors/packet-wol.c +++ b/epan/dissectors/packet-wol.c @@ -85,9 +85,9 @@ dissect_wol(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { guint len; gint offset; - guint8 sync[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; guint8 *mac; const guint8 *passwd; + guint64 qword; /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti; @@ -114,7 +114,8 @@ dissect_wol(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) * tvb for the synchronization stream. My feeling is that this could be * quite expensive and seriously hinder Wireshark performance. For now, * unless we need to change it later, just compare the 1st 6 bytes. */ - if ( tvb_memeql(tvb, 0, sync, 6) != 0 ) + qword = tvb_get_ntoh48(tvb,0); + if(qword != 0xffffffffffff) return (0); /* So far so good. Now get the next 6 bytes, which we'll assume is the |