![Alexis La Goutte](/assets/img/avatar_default.png)
(Using sed : sed -i '/^ \* \$Id\$/,+1 d') Fix manually some typo (in export_object_dicom.c and crc16-plain.c) Change-Id: I4c1ae68d1c4afeace8cb195b53c715cf9e1227a8 Reviewed-on: https://code.wireshark.org/review/497 Reviewed-by: Anders Broman <a.broman58@gmail.com>
168 lines
5.5 KiB
C
168 lines
5.5 KiB
C
/* packet-ascend.c
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* Routines for decoding Lucent/Ascend packet traces
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <glib.h>
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#include <epan/packet.h>
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#include <wiretap/wtap.h>
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void proto_register_ascend(void);
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void proto_reg_handoff_ascend(void);
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static int proto_ascend = -1;
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static int hf_link_type = -1;
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static int hf_session_id = -1;
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static int hf_called_number = -1;
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static int hf_chunk = -1;
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static int hf_task = -1;
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static int hf_user_name = -1;
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static gint ett_raw = -1;
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static const value_string encaps_vals[] = {
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{ASCEND_PFX_WDS_X, "PPP Transmit"},
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{ASCEND_PFX_WDS_R, "PPP Receive" },
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{ASCEND_PFX_WDD, "Ethernet" },
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{0, NULL } };
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static dissector_handle_t eth_withoutfcs_handle;
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static dissector_handle_t ppp_hdlc_handle;
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static void
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dissect_ascend(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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proto_tree *fh_tree;
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proto_item *ti, *hidden_item;
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union wtap_pseudo_header *pseudo_header = pinfo->pseudo_header;
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/* load the top pane info. This should be overwritten by
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the next protocol in the stack */
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col_set_str(pinfo->cinfo, COL_RES_DL_SRC, "N/A");
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col_set_str(pinfo->cinfo, COL_RES_DL_DST, "N/A");
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "N/A");
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col_set_str(pinfo->cinfo, COL_INFO, "Lucent/Ascend packet trace");
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/* If this is a transmitted or received PPP frame, set the PPP direction. */
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switch (pseudo_header->ascend.type) {
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case ASCEND_PFX_WDS_X:
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pinfo->p2p_dir = P2P_DIR_SENT;
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break;
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case ASCEND_PFX_WDS_R:
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pinfo->p2p_dir = P2P_DIR_RECV;
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break;
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}
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/* populate a tree in the second pane with the status of the link
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layer (ie none) */
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if(tree) {
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ti = proto_tree_add_protocol_format(tree, proto_ascend, tvb, 0, 0,
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"Lucent/Ascend packet trace");
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fh_tree = proto_item_add_subtree(ti, ett_raw);
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proto_tree_add_uint(fh_tree, hf_link_type, tvb, 0, 0,
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pseudo_header->ascend.type);
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if (pseudo_header->ascend.type == ASCEND_PFX_WDD) {
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proto_tree_add_string(fh_tree, hf_called_number, tvb, 0, 0,
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pseudo_header->ascend.call_num);
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proto_tree_add_uint(fh_tree, hf_chunk, tvb, 0, 0,
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pseudo_header->ascend.chunk);
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hidden_item = proto_tree_add_uint(fh_tree, hf_session_id, tvb, 0, 0, 0);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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} else { /* It's wandsession data */
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proto_tree_add_string(fh_tree, hf_user_name, tvb, 0, 0,
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pseudo_header->ascend.user);
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proto_tree_add_uint(fh_tree, hf_session_id, tvb, 0, 0,
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pseudo_header->ascend.sess);
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hidden_item = proto_tree_add_uint(fh_tree, hf_chunk, tvb, 0, 0, 0);
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PROTO_ITEM_SET_HIDDEN(hidden_item);
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}
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proto_tree_add_uint(fh_tree, hf_task, tvb, 0, 0, pseudo_header->ascend.task);
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}
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switch (pseudo_header->ascend.type) {
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case ASCEND_PFX_WDS_X:
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case ASCEND_PFX_WDS_R:
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call_dissector(ppp_hdlc_handle, tvb, pinfo, tree);
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break;
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case ASCEND_PFX_WDD:
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call_dissector(eth_withoutfcs_handle, tvb, pinfo, tree);
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break;
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default:
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break;
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}
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}
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void
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proto_register_ascend(void)
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{
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static hf_register_info hf[] = {
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{ &hf_link_type,
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{ "Link type", "ascend.type", FT_UINT32, BASE_DEC, VALS(encaps_vals), 0x0,
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NULL, HFILL }},
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{ &hf_session_id,
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{ "Session ID", "ascend.sess", FT_UINT32, BASE_DEC, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_called_number,
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{ "Called number", "ascend.number", FT_STRING, BASE_NONE, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_chunk,
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{ "WDD Chunk", "ascend.chunk", FT_UINT32, BASE_HEX, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_task,
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{ "Task", "ascend.task", FT_UINT32, BASE_HEX, NULL, 0x0,
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NULL, HFILL }},
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{ &hf_user_name,
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{ "User name", "ascend.user", FT_STRING, BASE_NONE, NULL, 0x0,
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NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_raw,
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};
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proto_ascend = proto_register_protocol("Lucent/Ascend debug output",
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"Lucent/Ascend", "ascend");
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proto_register_field_array(proto_ascend, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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void
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proto_reg_handoff_ascend(void)
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{
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dissector_handle_t ascend_handle;
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/*
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* Get handles for the Ethernet and PPP-in-HDLC-like-framing dissectors.
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*/
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eth_withoutfcs_handle = find_dissector("eth_withoutfcs");
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ppp_hdlc_handle = find_dissector("ppp_hdlc");
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ascend_handle = create_dissector_handle(dissect_ascend, proto_ascend);
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dissector_add_uint("wtap_encap", WTAP_ENCAP_ASCEND, ascend_handle);
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}
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