diff options
author | Michael Mann <mmann78@netscape.net> | 2016-03-18 22:31:33 -0400 |
---|---|---|
committer | Michael Mann <mmann78@netscape.net> | 2016-03-19 11:42:47 +0000 |
commit | 68c84a7e66669eb5300520fd01d5e838d03cced2 (patch) | |
tree | 5c4e54fed06d135387fc473cf8d4eb5bbaa80373 /epan/dissectors/packet-acap.c | |
parent | a1837263708cda91caec1691a469ad1415924a8e (diff) |
Make sure first byte in ACAP packet is printable.
Saves some false positives for protocols using port 674.
Bug: 12265
Change-Id: I7cb8aa9318639db0822b05b8c5b6f6563d8d4afc
Reviewed-on: https://code.wireshark.org/review/14521
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'epan/dissectors/packet-acap.c')
-rw-r--r-- | epan/dissectors/packet-acap.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/epan/dissectors/packet-acap.c b/epan/dissectors/packet-acap.c index e42624c0aa..2d83675145 100644 --- a/epan/dissectors/packet-acap.c +++ b/epan/dissectors/packet-acap.c @@ -90,6 +90,17 @@ dissect_acap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_ int tokenlen; const guchar *next_token; + + /* + * If this should be a request or response, do this quick check to see if + * it begins with a string... + * Otherwise, looking for the end of line in a binary file can take a long time + * and this probably isn't ACAP + */ + if (!g_ascii_isprint(tvb_get_guint8(tvb, offset))) { + return 0; + } + col_set_str(pinfo->cinfo, COL_PROTOCOL, "ACAP"); /* |