forked from osmocom/wireshark
c002250952
Parse MGCP over TCP with ASCII TPKT header http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1964 svn path=/trunk/; revision=23466
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* packet-tpkt.h
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*
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* Routines for TPKT dissection
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*
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* Copyright 2000, Philips Electronics N.V.
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* Andreas Sikkema <andreas.sikkema@philips.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* Check whether this could be a TPKT-encapsulated PDU.
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* Returns -1 if it's not, and the PDU length from the TPKT header
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* if it is.
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*
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* "min_len" is the minimum length of the PDU; the length field in the
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* TPKT header must be at least "4+min_len" in order for this to be a
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* valid TPKT PDU for the protocol in question.
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*/
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static const int TEXT_LAYER_LENGTH = 9;
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extern int is_tpkt(tvbuff_t *tvb, int min_len);
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/*
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* Dissect TPKT-encapsulated data in a TCP stream.
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*/
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extern void dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, gboolean desegment,
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dissector_handle_t subdissector_handle);
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/*
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* Check whether this could be a ASCII TPKT-encapsulated PDU.
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* Returns -1 if it's not, and the PDU length from the TPKT header
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* if it is.
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*
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* "min_len" is the minimum length of the PDU; the length field in the
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* TPKT header must be at least "8+min_len" in order for this to be a
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* valid TPKT PDU for the protocol in question.
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*/
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extern guint16 is_asciitpkt(tvbuff_t *tvb);
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/*
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* Dissect ASCII TPKT-encapsulated data in a TCP stream.
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*/
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extern void dissect_asciitpkt(tvbuff_t *tvb, packet_info *pinfo,
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proto_tree *tree, dissector_handle_t subdissector_handle);
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