wireshark/epan/dissectors/packet-tpkt.h

51 lines
1.5 KiB
C

/* packet-tpkt.h
*
* Routines for TPKT dissection
*
* Copyright 2000, Philips Electronics N.V.
* Andreas Sikkema <andreas.sikkema@philips.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "ws_symbol_export.h"
/*
* Check whether this could be a TPKT-encapsulated PDU.
* Returns -1 if it's not, and the PDU length from the TPKT header
* if it is.
*
* "min_len" is the minimum length of the PDU; the length field in the
* TPKT header must be at least "4+min_len" in order for this to be a
* valid TPKT PDU for the protocol in question.
*/
WS_DLL_PUBLIC int is_tpkt(tvbuff_t *tvb, int min_len);
/*
* Dissect TPKT-encapsulated data in a TCP stream.
*/
WS_DLL_PUBLIC void dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree, gboolean desegment,
dissector_handle_t subdissector_handle);
/*
* Check whether this could be a ASCII TPKT-encapsulated PDU.
* Returns -1 if it's not, and the PDU length from the TPKT header
* if it is.
*
* "min_len" is the minimum length of the PDU; the length field in the
* TPKT header must be at least "8+min_len" in order for this to be a
* valid TPKT PDU for the protocol in question.
*/
extern guint16 is_asciitpkt(tvbuff_t *tvb);
/*
* Dissect ASCII TPKT-encapsulated data in a TCP stream.
*/
extern void dissect_asciitpkt(tvbuff_t *tvb, packet_info *pinfo,
proto_tree *tree, dissector_handle_t subdissector_handle);