forked from osmocom/wireshark
The length field in the TPKT header contains the length of the packet
*including the length of the TPKT header itself*, not just the length of the payload. svn path=/trunk/; revision=4880
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@ -7,7 +7,7 @@
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* Routine to dissect RFC 1006 TPKT packet containing OSI TP PDU
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* Copyright 2001, Martin Thomas <Martin_A_Thomas@yahoo.com>
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*
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* $Id: packet-tpkt.c,v 1.16 2002/02/23 21:07:48 guy Exp $
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* $Id: packet-tpkt.c,v 1.17 2002/03/05 22:15:21 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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@ -153,7 +153,7 @@ dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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* Yes - is the payload split across segment
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* boundaries?
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*/
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if (length_remaining < data_len + 4) {
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if (length_remaining < data_len) {
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/*
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* Yes. Tell the TCP dissector where
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* the data for this message starts in
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@ -162,7 +162,7 @@ dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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*/
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pinfo->desegment_offset = offset;
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pinfo->desegment_len =
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(data_len + 4) - length_remaining;
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data_len - length_remaining;
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return;
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}
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}
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@ -202,6 +202,7 @@ dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
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/* Skip the TPKT header. */
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offset += 4;
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data_len -= 4;
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/*
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* Construct a tvbuff containing the amount of the payload
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