forked from osmocom/wireshark
![Michael Mann](/assets/img/avatar_default.png)
This patch introduces new APIs to allow dissectors to have a preference for a (TCP) port, but the underlying data is actually part of Decode As functionality. For now the APIs are intentionally separate from the regular APIs that register a dissector within a dissector table. It may be possible to eventually combine the two so that all dissectors that register with a dissector table have an opportunity to "automatically" have a preference to adjust the "table value" through the preferences dialog. The tcp.port dissector table was used as the guinea pig. This will eventually be expanded to other dissector tables as well (most notably UDP ports). Some dissectors that "shared" a TCP/UDP port preference were also converted. It also removed the need for some preference callback functions (mostly when the callback function was the proto_reg_handoff function) so there is cleanup around that. Dissectors that has a port preference whose default was 0 were switched to using the dissector_add_for_decode_as_with_preference API rather than dissector_add_uint_with_preference Also added comments for TCP ports used that aren't IANA registered. Change-Id: I99604f95d426ad345f4b494598d94178b886eb67 Reviewed-on: https://code.wireshark.org/review/17724 Reviewed-by: Michael Mann <mmann78@netscape.net>
992 lines
30 KiB
C
992 lines
30 KiB
C
/* packet-cmpp.c
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* Routines for China Mobile Point to Point dissection
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* Copyright 2007, Andy Chu <chu.dev@gmail.com>
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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., 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 <epan/packet.h>
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#include "packet-tcp.h"
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#define CMPP_FIX_HEADER_LENGTH 12
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#define CMPP_DELIVER_REPORT_LEN 71
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/* These are not registered with IANA */
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#define CMPP_PORT_RANGE "7890,7900,7930,9168"
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void proto_register_cmpp(void);
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void proto_reg_handoff_cmpp(void);
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/* Initialize the protocol and registered fields */
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static gint proto_cmpp = -1;
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/* These are the fix header field */
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static gint hf_cmpp_Total_Length = -1;
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static gint hf_cmpp_Command_Id = -1;
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static gint hf_cmpp_Sequence_Id = -1;
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/* CMPP_CONNECT */
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static gint hf_cmpp_connect_Source_Addr = -1;
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static gint hf_cmpp_connect_AuthenticatorSource = -1;
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static gint hf_cmpp_Version = -1;
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static gint hf_cmpp_connect_Timestamp = -1;
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/* CMPP_CONNECT_RESP */
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static gint hf_cmpp_connect_resp_status = -1;
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static gint hf_cmpp_connect_resp_AuthenticatorISMG = -1;
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/* CMPP_SUBMIT */
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static gint hf_cmpp_submit_pk_total = -1;
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static gint hf_cmpp_submit_pk_number = -1;
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static gint hf_cmpp_submit_Msg_level = -1;
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static gint hf_cmpp_submit_Fee_UserType = -1;
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static gint hf_cmpp_submit_Fee_terminal_Id = -1;
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static gint hf_cmpp_submit_Fee_terminal_type = -1;
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static gint hf_cmpp_submit_Msg_src = -1;
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static gint hf_cmpp_submit_FeeType = -1;
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static gint hf_cmpp_submit_FeeCode = -1;
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static gint hf_cmpp_submit_Valld_Time = -1;
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static gint hf_cmpp_submit_At_Time = -1;
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static gint hf_cmpp_submit_Src_Id = -1;
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static gint hf_cmpp_submit_DestUsr_tl = -1;
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static gint hf_cmpp_submit_Dest_terminal_type = -1;
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static gint hf_cmpp_submit_Registered_Delivery = -1;
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/* Field common in CMPP_SUBMIT and CMPP_DELIVER */
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static gint hf_cmpp_Dest_terminal_Id = -1;
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static gint hf_cmpp_Service_Id = -1;
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static gint hf_cmpp_TP_pId = -1;
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static gint hf_cmpp_TP_udhi = -1;
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static gint hf_cmpp_Msg_Fmt = -1;
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static gint hf_cmpp_Msg_Length = -1;
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static gint hf_cmpp_Msg_Content = -1;
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static gint hf_cmpp_LinkID = -1;
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/* CMPP_SUBMIT_RESP */
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static gint hf_cmpp_submit_resp_Result = -1;
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/* CMPP_QUERY */
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/* CMPP_QUERY_RESP */
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/* TODO implement CMPP_QUERY and CMPP_QUERY_RESP */
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/* CMPP_DELIVER */
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static gint hf_cmpp_deliver_Dest_Id = -1;
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static gint hf_cmpp_deliver_Src_terminal_Id = -1;
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static gint hf_cmpp_deliver_Src_terminal_type = -1;
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static gint hf_cmpp_deliver_Registered_Delivery = -1;
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static gint hf_cmpp_deliver_resp_Result = -1;
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/* CMPP Deliver Report */
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static gint hf_cmpp_deliver_Report = -1;
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static gint hf_cmpp_deliver_Report_Stat = -1;
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static gint hf_cmpp_deliver_Report_Submit_time = -1;
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static gint hf_cmpp_deliver_Report_Done_time = -1;
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static gint hf_cmpp_deliver_Report_SMSC_sequence = -1;
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/* Msg_Id field */
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static gint hf_cmpp_msg_id = -1;
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static gint hf_msg_id_timestamp = -1;
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static gint hf_msg_id_ismg_code = -1;
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static gint hf_msg_id_sequence_id = -1;
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static gboolean cmpp_desegment = TRUE;
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/*
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* Value-arrays for field-contents
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*/
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#define CMPP_CONNECT 0x00000001
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#define CMPP_CONNECT_RESP 0x80000001
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#define CMPP_TERMINATE 0x00000002
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#define CMPP_TERMINATE_RESP 0x80000002
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#define CMPP_SUBMIT 0x00000004
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#define CMPP_SUBMIT_RESP 0x80000004
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#define CMPP_DELIVER 0x00000005
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#define CMPP_DELIVER_RESP 0x80000005
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#define CMPP_QUERY 0x00000006
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#define CMPP_QUERY_RESP 0x80000006
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#define CMPP_CANCEL 0x00000007
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#define CMPP_CANCEL_RESP 0x80000007
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#define CMPP_ACTIVE_TEST 0x00000008
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#define CMPP_ACTIVE_TEST_RESP 0x80000008
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#define CMPP_FWD 0x00000009
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#define CMPP_FWD_RESP 0x80000009
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#define CMPP_MT_ROUTE 0x00000010
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#define CMPP_MO_ROUTE 0x00000011
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#define CMPP_GET_MT_ROUTE 0x00000012
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#define CMPP_MT_ROUTE_UPDATE 0x00000013
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#define CMPP_MO_ROUTE_UPDATE 0x00000014
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#define CMPP_PUSH_MT_ROUTE_UPDATE 0x00000015
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#define CMPP_PUSH_MO_ROUTE_UPDATE 0x00000016
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#define CMPP_GET_MO_ROUTE 0x00000017
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#define CMPP_MT_ROUTE_RESP 0x80000010
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#define CMPP_MO_ROUTE_RESP 0x80000011
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#define CMPP_GET_MT_ROUTE_RESP 0x80000012
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#define CMPP_MT_ROUTE_UPDATE_RESP 0x80000013
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#define CMPP_MO_ROUTE_UPDATE_RESP 0x80000014
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#define CMPP_PUSH_MT_ROUTE_UPDATE_RESP 0x80000015
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#define CMPP_PUSH_MO_ROUTE_UPDATE_RESP 0x80000016
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#define CMPP_GET_MO_ROUTE_RESP 0x80000017
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static const value_string vals_command_Id[] = { /* Operation */
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{ CMPP_CONNECT, "CMPP_CONNECT" },
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{ CMPP_CONNECT_RESP, "CMPP_CONNECT_RESP" },
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{ CMPP_TERMINATE, "CMPP_TERMINATE" },
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{ CMPP_TERMINATE_RESP, "CMPP_TERMINATE_RESP" },
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{ CMPP_SUBMIT, "CMPP_SUBMIT" },
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{ CMPP_SUBMIT_RESP, "CMPP_SUBMIT_RESP" },
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{ CMPP_DELIVER, "CMPP_DELIVER" },
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{ CMPP_DELIVER_RESP, "CMPP_DELIVER_RESP" },
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{ CMPP_QUERY, "CMPP_QUERY" },
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{ CMPP_QUERY_RESP, "CMPP_QUERY" },
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{ CMPP_CANCEL, "CMPP_CANCEL" },
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{ CMPP_CANCEL_RESP, "CMPP_CANCEL_RESP" },
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{ CMPP_ACTIVE_TEST, "CMPP_ACTIVE_TEST" },
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{ CMPP_ACTIVE_TEST_RESP, "CMPP_ACTIVE_TEST_RESP" },
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{ CMPP_FWD, "CMPP_FWD" },
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{ CMPP_FWD_RESP, "CMPP_FWD_RESP" },
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{ CMPP_MT_ROUTE, "CMPP_MT_ROUTE" },
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{ CMPP_MO_ROUTE, "CMPP_MO_ROUTE" },
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{ CMPP_GET_MT_ROUTE, "CMPP_GET_MT_ROUTE" },
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{ CMPP_MT_ROUTE_UPDATE, "CMPP_MT_ROUTE_UPDATE" },
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{ CMPP_MO_ROUTE_UPDATE, "CMPP_MO_ROUTE_UPDATE" },
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{ CMPP_PUSH_MT_ROUTE_UPDATE, "CMPP_PUSH_MT_ROUTE_UPDATE" },
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{ CMPP_PUSH_MO_ROUTE_UPDATE, "CMPP_PUSH_MO_ROUTE_UPDATE" },
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{ CMPP_GET_MO_ROUTE, "CMPP_GET_MO_ROUTE" },
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{ CMPP_MT_ROUTE_RESP, "CMPP_MT_ROUTE_RESP" },
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{ CMPP_MO_ROUTE_RESP, "CMPP_MO_ROUTE_RESP" },
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{ CMPP_GET_MT_ROUTE_RESP, "CMPP_GET_MT_ROUTE_RESP" },
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{ CMPP_MT_ROUTE_UPDATE_RESP, "CMPP_MT_ROUTE_UPDATE_RESP" },
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{ CMPP_MO_ROUTE_UPDATE_RESP, "CMPP_MO_ROUTE_UPDATE_RESP" },
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{ CMPP_PUSH_MT_ROUTE_UPDATE_RESP, "CMPP_PUSH_MT_ROUTE_UPDATE_RESP" },
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{ CMPP_PUSH_MO_ROUTE_UPDATE_RESP, "CMPP_PUSH_MO_ROUTE_UPDATE_RESP" },
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{ CMPP_GET_MO_ROUTE_RESP, "CMPP_GET_MO_ROUTE_RESP" },
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{ 0, NULL }
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};
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static const value_string vals_connect_resp_status[] = { /* Connection Status */
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{ 0, "Correct" },
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{ 1, "Message structure error" },
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{ 2, "Illegal source address" },
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{ 3, "Authenticate error" },
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{ 4, "Version too high" },
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{ 0, NULL }
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};
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static const value_string vals_submit_Fee_UserType[] = { /* Submit Fee_UserType */
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{ 0, "Charging destination MSISDN" },
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{ 1, "Charging source MSISDN" },
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{ 2, "Charging SP" },
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{ 3, "Unuse, Charge info from Fee_terminal_Id" },
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{ 0, NULL }
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};
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static const value_string vals_Msg_Fmt[] = { /* Message Format */
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{ 0, "ASCII" },
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{ 3, "Short message card" }, /* TODO find the correct string of this value */
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{ 4, "Binary data" },
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{ 8, "UCS2 encoding" },
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{15, "GB encoding" },
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{ 0, NULL }
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};
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/* Submit Response Result */
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static const value_string vals_Submit_Resp_Result[] = {
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{ 0, "Correct" },
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{ 1, "Message format error" },
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{ 2, "Command error" },
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{ 3, "Repeat sequence id" },
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{ 4, "Incorrect message length" },
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{ 5, "Incorrect fee code" },
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{ 6, "Message too long" },
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{ 7, "Incorrect service id" },
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{ 8, "Bandwidth error" },
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{ 9, "Gateway does not service this charging number" },
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{10, "Incorrect Src_Id" },
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{11, "Incorrect Msg_src" },
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{12, "Incorrect Fee_terminal_Id" },
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{13, "Incorrect Dest_terminal_Id" },
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{ 0, NULL }
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};
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/* Deliver Response Result */
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static const value_string vals_Deliver_Resp_Result[] = {
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{ 0, "Correct" },
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{ 1, "Message format error" },
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{ 2, "Command error" },
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{ 3, "Repeat sequence id" },
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{ 4, "Incorrect message length" },
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{ 5, "Incorrect fee code" },
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{ 6, "Message too long" },
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{ 7, "Incorrect service id" },
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{ 8, "Bandwidth error" },
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{ 0, NULL }
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};
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/* Initialize the subtree pointers */
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static gint ett_cmpp = -1;
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static gint ett_msg_id = -1;
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static gint ett_deliver_report = -1;
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/* Helper functions */
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static const guint8*
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cmpp_octet_string(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset, gint length)
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{
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const guint8 *display;
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proto_tree_add_item_ret_string(tree, field, tvb, offset, length, ENC_ASCII, wmem_packet_scope(), &display);
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return display;
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}
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static char*
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cmpp_version(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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gint8 version, major, minor;
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char *strval;
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version = tvb_get_guint8(tvb, offset);
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minor = version & 0x0F;
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major = (version & 0xF0) >> 4;
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strval = wmem_strdup_printf(wmem_packet_scope(), "%02u.%02u", major, minor);
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/* TODO: the version should be added as a uint_format */
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proto_tree_add_string(tree, field, tvb, offset, 1, strval);
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return strval;
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}
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static char*
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cmpp_timestamp(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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gint8 month, day, hour, minute, second;
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gint32 timevalue;
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char *strval;
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timevalue = tvb_get_ntohl(tvb, offset);
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second = timevalue % 100;
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timevalue /= 100;
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minute = timevalue % 100;
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timevalue /= 100;
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hour = timevalue % 100;
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timevalue /= 100;
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day = timevalue % 100;
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month = timevalue / 100;
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strval = wmem_strdup_printf(wmem_packet_scope(), "%02u/%02u %02u:%02u:%02u", month, day,
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hour, minute, second);
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proto_tree_add_string(tree, field, tvb, offset, 4, strval);
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return strval;
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}
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/* TODO: most calls to these (except those that use the return value) should
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* be replaced by calls to proto_tree_add_item().
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*/
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static guint8
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cmpp_uint1(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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guint8 value;
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value = tvb_get_guint8(tvb, offset);
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proto_tree_add_uint(tree, field, tvb, offset, 1, value);
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return value;
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}
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static guint16
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cmpp_uint2(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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guint16 value;
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value = tvb_get_ntohs(tvb, offset);
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proto_tree_add_uint(tree, field, tvb, offset, 2, value);
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return value;
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}
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static gint32
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cmpp_uint4(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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gint32 value;
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value = tvb_get_ntohl(tvb, offset);
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proto_tree_add_uint(tree, field, tvb, offset, 4, value);
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return value;
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}
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static gboolean
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cmpp_boolean(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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gint8 value;
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value = tvb_get_guint8(tvb, offset);
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proto_tree_add_boolean(tree, field, tvb, offset, 1, value);
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if (value == 1)
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return TRUE;
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return FALSE;
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}
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static void
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cmpp_msg_id(proto_tree *tree, tvbuff_t *tvb, gint field, gint offset)
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{
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guint8 month,day,hour,minute,second;
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guint32 ismg_code;
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proto_item *pi;
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proto_tree *sub_tree;
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char *strval;
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pi = proto_tree_add_item(tree, field, tvb, offset, 8, ENC_BIG_ENDIAN);
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sub_tree = proto_item_add_subtree(pi, ett_msg_id);
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month = (tvb_get_guint8(tvb, offset) & 0xF0) >> 4;
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day = (tvb_get_ntohs(tvb, offset) & 0x0F80) >> 7;
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hour = (tvb_get_guint8(tvb, offset + 1) & 0x7C) >> 2;
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minute = (tvb_get_ntohs(tvb, offset + 1) & 0x03F0) >> 4;
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second = (tvb_get_ntohs(tvb, offset + 2) & 0x0FC0) >> 6;
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strval = wmem_strdup_printf(wmem_packet_scope(), "%02u/%02u %02u:%02u:%02u", month, day,
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hour, minute, second);
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ismg_code = (tvb_get_ntohl(tvb, offset + 3) & 0x3FFFFF00) >> 16;
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proto_tree_add_string(sub_tree, hf_msg_id_timestamp, tvb, offset, 4, strval);
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proto_tree_add_uint(sub_tree, hf_msg_id_ismg_code, tvb, offset + 3, 3, ismg_code);
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cmpp_uint2(sub_tree, tvb, hf_msg_id_sequence_id, offset + 6);
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}
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static void
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cmpp_connect(proto_tree *tree, tvbuff_t *tvb)
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{
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int offset;
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offset = CMPP_FIX_HEADER_LENGTH;
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cmpp_octet_string(tree, tvb, hf_cmpp_connect_Source_Addr, offset, 6);
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offset += 6;
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proto_tree_add_string(tree, hf_cmpp_connect_AuthenticatorSource, tvb, offset, 16, "MD5 Hash");
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offset += 16;
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cmpp_version(tree, tvb, hf_cmpp_Version, offset);
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offset += 1;
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cmpp_timestamp(tree, tvb, hf_cmpp_connect_Timestamp, offset);
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}
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static void
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cmpp_connect_resp(proto_tree *tree, tvbuff_t *tvb)
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{
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int offset;
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offset = CMPP_FIX_HEADER_LENGTH;
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cmpp_uint4(tree, tvb, hf_cmpp_connect_resp_status, offset);
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offset += 4;
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proto_tree_add_string(tree, hf_cmpp_connect_resp_AuthenticatorISMG, tvb, offset, 16, "MD5 Hash");
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offset += 16;
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cmpp_version(tree, tvb, hf_cmpp_Version, offset);
|
|
}
|
|
|
|
static void
|
|
cmpp_submit(proto_tree *tree, tvbuff_t *tvb)
|
|
{
|
|
int offset, i;
|
|
guint8 destUsr, msgLen;
|
|
offset = CMPP_FIX_HEADER_LENGTH;
|
|
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
|
|
offset += 8;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_submit_pk_total, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_submit_pk_number, offset);
|
|
offset++;
|
|
cmpp_boolean(tree, tvb, hf_cmpp_submit_Registered_Delivery, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_submit_Msg_level, offset);
|
|
offset++;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_Service_Id, offset, 10);
|
|
offset += 10;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_submit_Fee_UserType, offset);
|
|
offset++;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_Fee_terminal_Id, offset, 32);
|
|
offset+=32;
|
|
cmpp_boolean(tree, tvb, hf_cmpp_submit_Fee_terminal_type, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_TP_pId, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_TP_udhi, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_Msg_Fmt, offset);
|
|
offset++;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_Msg_src, offset, 6);
|
|
offset += 6;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_FeeType, offset, 2);
|
|
offset += 2;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_FeeCode, offset, 6);
|
|
offset += 6;
|
|
|
|
/* TODO create function to handle SMPP time format */
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_Valld_Time, offset, 17);
|
|
offset += 17;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_At_Time, offset, 17);
|
|
offset += 17;
|
|
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_submit_Src_Id, offset, 17);
|
|
offset += 21;
|
|
destUsr = cmpp_uint1(tree, tvb, hf_cmpp_submit_DestUsr_tl, offset);
|
|
offset++;
|
|
|
|
/* Loop through each destination address */
|
|
for(i = 0; i < destUsr; i++)
|
|
{
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_Dest_terminal_Id, offset, 32);
|
|
offset += 32;
|
|
}
|
|
|
|
cmpp_boolean(tree, tvb, hf_cmpp_submit_Dest_terminal_type, offset);
|
|
offset++;
|
|
msgLen = cmpp_uint1(tree, tvb, hf_cmpp_Msg_Length, offset);
|
|
offset++;
|
|
proto_tree_add_string(tree, hf_cmpp_Msg_Content, tvb, offset, msgLen, "SMS Messages");
|
|
offset += msgLen;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_LinkID, offset, 20);
|
|
}
|
|
|
|
static void
|
|
cmpp_submit_resp(proto_tree *tree, tvbuff_t *tvb)
|
|
{
|
|
int offset;
|
|
offset = CMPP_FIX_HEADER_LENGTH;
|
|
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
|
|
offset += 8;
|
|
cmpp_uint4(tree, tvb, hf_cmpp_submit_resp_Result, offset);
|
|
}
|
|
|
|
static void
|
|
cmpp_deliver_report(proto_tree *tree, tvbuff_t *tvb, gint field, guint offset)
|
|
{
|
|
proto_item *pi;
|
|
proto_tree *sub_tree;
|
|
|
|
pi = proto_tree_add_item(tree, field, tvb, offset, CMPP_DELIVER_REPORT_LEN, ENC_BIG_ENDIAN);
|
|
sub_tree = proto_item_add_subtree(pi, ett_deliver_report);
|
|
cmpp_msg_id(sub_tree, tvb, hf_cmpp_msg_id, offset);
|
|
offset += 8;
|
|
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Stat, offset, 7);
|
|
offset += 7;
|
|
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Submit_time, offset, 10);
|
|
offset += 10;
|
|
cmpp_octet_string(sub_tree, tvb, hf_cmpp_deliver_Report_Done_time, offset, 10);
|
|
offset += 10;
|
|
cmpp_octet_string(sub_tree, tvb, hf_cmpp_Dest_terminal_Id, offset, 32);
|
|
offset += 32;
|
|
cmpp_uint4(sub_tree, tvb, hf_cmpp_deliver_Report_SMSC_sequence, offset);
|
|
}
|
|
|
|
static void
|
|
cmpp_deliver(proto_tree *tree, tvbuff_t *tvb)
|
|
{
|
|
guint offset, msgLen;
|
|
gboolean report;
|
|
offset = CMPP_FIX_HEADER_LENGTH;
|
|
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
|
|
offset += 8;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_deliver_Dest_Id, offset, 21);
|
|
offset += 21;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_Service_Id, offset, 10);
|
|
offset += 10;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_TP_pId, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_TP_udhi, offset);
|
|
offset++;
|
|
cmpp_uint1(tree, tvb, hf_cmpp_Msg_Fmt, offset);
|
|
offset++;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_deliver_Src_terminal_Id, offset, 32);
|
|
offset += 32;
|
|
cmpp_boolean(tree, tvb, hf_cmpp_deliver_Src_terminal_type, offset);
|
|
offset++;
|
|
report = cmpp_boolean(tree, tvb, hf_cmpp_deliver_Registered_Delivery, offset);
|
|
offset++;
|
|
msgLen = cmpp_uint1(tree, tvb, hf_cmpp_Msg_Length, offset);
|
|
offset++;
|
|
if (report == FALSE)
|
|
proto_tree_add_string(tree, hf_cmpp_Msg_Content, tvb, offset, msgLen, "SMS Messages");
|
|
else
|
|
cmpp_deliver_report(tree, tvb, hf_cmpp_deliver_Report, offset);
|
|
offset += msgLen;
|
|
cmpp_octet_string(tree, tvb, hf_cmpp_LinkID, offset, 20);
|
|
}
|
|
|
|
static void
|
|
cmpp_deliver_resp(proto_tree *tree, tvbuff_t *tvb)
|
|
{
|
|
int offset;
|
|
offset = CMPP_FIX_HEADER_LENGTH;
|
|
cmpp_msg_id(tree, tvb, hf_cmpp_msg_id, offset);
|
|
offset += 8;
|
|
/* TODO implement the result field here */
|
|
cmpp_uint4(tree, tvb, hf_cmpp_deliver_resp_Result, offset);
|
|
}
|
|
|
|
/* Code to actually dissect the packets */
|
|
static int
|
|
dissect_cmpp_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *cmpp_tree;
|
|
guint command_id;
|
|
guint tvb_len;
|
|
guint total_length;
|
|
const gchar *command_str; /* Header command string */
|
|
|
|
/* Get the length of the PDU */
|
|
tvb_len = tvb_captured_length(tvb);
|
|
/* if the length of the tvb is shorder then the cmpp header length exit */
|
|
if (tvb_len < CMPP_FIX_HEADER_LENGTH)
|
|
return 0;
|
|
|
|
total_length = tvb_get_ntohl(tvb, 0); /* Get the pdu length */
|
|
command_id = tvb_get_ntohl(tvb, 4); /* get the pdu command id */
|
|
|
|
if (try_val_to_str(command_id, vals_command_Id) == NULL)
|
|
{
|
|
/* Should never happen: we checked this in dissect_cmpp() */
|
|
return 0;
|
|
}
|
|
|
|
command_str = val_to_str(command_id, vals_command_Id,
|
|
"(Unknown CMPP Operation 0x%08X)");
|
|
|
|
/* tvb has less data then the PDU Header status, return */
|
|
if (tvb_len < total_length)
|
|
{
|
|
/* Should never happen: TCP should have desegmented for us */
|
|
return 0;
|
|
}
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "CMPP");
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "%s. ", command_str);
|
|
|
|
if (tree)
|
|
{
|
|
ti = proto_tree_add_item(tree, proto_cmpp, tvb, 0, -1, ENC_NA);
|
|
|
|
cmpp_tree = proto_item_add_subtree(ti, ett_cmpp);
|
|
|
|
/* Add the fix header informations to the tree */
|
|
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Total_Length, 0);
|
|
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Command_Id, 4);
|
|
cmpp_uint4(cmpp_tree, tvb, hf_cmpp_Sequence_Id, 8);
|
|
|
|
switch(command_id)
|
|
{
|
|
case CMPP_CONNECT:
|
|
cmpp_connect(cmpp_tree, tvb);
|
|
break;
|
|
case CMPP_CONNECT_RESP:
|
|
cmpp_connect_resp(cmpp_tree, tvb);
|
|
break;
|
|
/* CMPP_TERMINATE and CMPP_TERMINATE_RESP don't have msg body */
|
|
case CMPP_TERMINATE:
|
|
case CMPP_TERMINATE_RESP:
|
|
break;
|
|
case CMPP_SUBMIT:
|
|
cmpp_submit(cmpp_tree, tvb);
|
|
break;
|
|
case CMPP_SUBMIT_RESP:
|
|
cmpp_submit_resp(cmpp_tree, tvb);
|
|
break;
|
|
case CMPP_DELIVER:
|
|
cmpp_deliver(cmpp_tree, tvb);
|
|
break;
|
|
case CMPP_DELIVER_RESP:
|
|
cmpp_deliver_resp(cmpp_tree, tvb);
|
|
break;
|
|
default:
|
|
/* Implement the rest of the protocol here */
|
|
break;
|
|
}
|
|
}
|
|
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
|
|
|
|
/* Get the CMPP PDU Length */
|
|
static guint
|
|
get_cmpp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_)
|
|
{
|
|
return tvb_get_ntohl(tvb, offset);
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_cmpp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
guint total_length, command_id, tvb_len;
|
|
/* Check that there's enough data */
|
|
tvb_len = tvb_captured_length(tvb);
|
|
if (tvb_len < CMPP_FIX_HEADER_LENGTH)
|
|
return 0;
|
|
|
|
/* Get some values from the packet header, probably using tvb_get_*() */
|
|
total_length = tvb_get_ntohl(tvb, 0); /* Get the pdu length */
|
|
command_id = tvb_get_ntohl(tvb, 4); /* get the pdu command id */
|
|
|
|
/* Looking at this protocol, it seems unlikely that the messages would
|
|
* get as big as a couple hundred bytes but that's not certain; just
|
|
* added a hopefully-way-too-big number to strengthen the heuristics.
|
|
*/
|
|
if (total_length < CMPP_FIX_HEADER_LENGTH || total_length > 1000)
|
|
return 0;
|
|
|
|
if (try_val_to_str(command_id, vals_command_Id) == NULL)
|
|
return 0;
|
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
tcp_dissect_pdus(tvb, pinfo, tree, cmpp_desegment, CMPP_FIX_HEADER_LENGTH,
|
|
get_cmpp_pdu_len, dissect_cmpp_tcp_pdu, data);
|
|
|
|
/* Return the amount of data this dissector was able to dissect */
|
|
return tvb_reported_length(tvb);
|
|
|
|
}
|
|
|
|
/* Register the protocol with Wireshark */
|
|
|
|
void
|
|
proto_register_cmpp(void) {
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_cmpp_Total_Length,
|
|
{ "Total Length", "cmpp.Total_Length",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Total length of the CMPP PDU.",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Command_Id,
|
|
{ "Command Id", "cmpp.Command_Id",
|
|
FT_UINT32, BASE_HEX, VALS(vals_command_Id), 0x00,
|
|
"Command Id of the CMPP messages",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Sequence_Id,
|
|
{ "Sequence Id", "cmpp.Sequence_Id",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Sequence Id of the CMPP messages",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_connect_Source_Addr,
|
|
{ "Source Addr", "cmpp.connect.Source_Addr",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Source Address, the SP_Id",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_connect_AuthenticatorSource,
|
|
{ "Authenticator Source", "cmpp.connect.AuthenticatorSource",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Authenticator source, MD5(Source_addr + 9 zero + shared secret + timestamp)",
|
|
HFILL }
|
|
},
|
|
|
|
{ &hf_cmpp_Version,
|
|
{ "Version", "cmpp.Version",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"CMPP Version",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_connect_Timestamp,
|
|
{ "Timestamp", "cmpp.connect.Timestamp",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Timestamp MM/DD HH:MM:SS",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_connect_resp_status,
|
|
{ "Connect Response Status", "cmpp.connect_resp.Status",
|
|
FT_UINT32, BASE_DEC, VALS(vals_connect_resp_status), 0x00,
|
|
"Response Status, Value higher then 4 means other error",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_connect_resp_AuthenticatorISMG,
|
|
{ "SIMG Authenticate result", "cmpp.connect_resp.AuthenticatorISMG",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Authenticator result, MD5(Status + AuthenticatorSource + shared secret)",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_msg_id,
|
|
{ "Msg_Id", "cmpp.Msg_Id",
|
|
FT_UINT64, BASE_HEX, NULL, 0x00,
|
|
"Message ID",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_pk_total,
|
|
{ "Number of Part", "cmpp.submit.Pk_total",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Total number of parts of the message with the same Msg_Id, start from 1",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_pk_number,
|
|
{ "Part Number", "cmpp.submit.Pk_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Part number of the message with the same Msg_Id, start from 1",
|
|
HFILL }
|
|
},
|
|
{ &hf_msg_id_timestamp,
|
|
{ "Timestamp", "cmpp.Msg_Id.timestamp",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Timestamp MM/DD HH:MM:SS Bit 64 ~ 39",
|
|
HFILL }
|
|
},
|
|
{ &hf_msg_id_ismg_code,
|
|
{ "ISMG Code", "cmpp.Msg_Id.ismg_code",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"ISMG Code, bit 38 ~ 17",
|
|
HFILL }
|
|
},
|
|
{ &hf_msg_id_sequence_id,
|
|
{ "Msg_Id sequence Id", "cmpp.Msg_Id.sequence_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00,
|
|
"Msg_Id sequence Id, bit 16 ~ 1",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Registered_Delivery,
|
|
{ "Registered Delivery", "cmpp.submit.Registered_Delivery",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Registered Delivery flag",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Msg_level,
|
|
{ "Message Level", "cmpp.submit.Msg_level",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Service_Id,
|
|
{ "Service ID", "cmpp.Servicd_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Service ID, a mix of characters, numbers and symbol",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Fee_UserType,
|
|
{ "Charging Informations", "cmpp.submit.Fee_UserType",
|
|
FT_UINT8, BASE_DEC, VALS(vals_submit_Fee_UserType), 0x00,
|
|
"Charging Informations, if value is 3, this field will not be used",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Fee_terminal_Id,
|
|
{ "Fee Terminal ID", "cmpp.submit.Fee_terminal_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Fee Terminal ID, Valid only when Fee_UserType is 3",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Fee_terminal_type,
|
|
{ "Fake Fee Terminal", "cmpp.submit.Fee_terminal_type",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Fee terminal type, 0 is real, 1 is fake",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_TP_pId,
|
|
{ "TP pId", "cmpp.TP_pId",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"GSM TP pId Field",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_TP_udhi,
|
|
{ "TP udhi", "cmpp.TP_udhi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"GSM TP udhi field",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Msg_Fmt,
|
|
{ "Message Format", "cmpp.Msg_Fmt",
|
|
FT_UINT8, BASE_DEC, VALS(vals_Msg_Fmt), 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Msg_src,
|
|
{ "Message Source SP_Id", "cmpp.submit.Msg_src",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Message source SP ID",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_FeeType, /* TODO Replace this with a vals_string*/
|
|
{ "Fee Type", "cmpp.submit.FeeType",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_FeeCode,
|
|
{ "Fee Code", "cmpp.submit.FeeCode",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Valld_Time,
|
|
{ "Valid time", "cmpp.submit.Valld_Time",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Message Valid Time, format follow SMPP 3.3",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_At_Time,
|
|
{ "Send time", "cmpp.submit.At_time",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Message send time, format following SMPP 3.3",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Src_Id,
|
|
{ "Source ID", "cmpp.submit.Src_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"This value matches SMPP submit_sm source_addr field",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_DestUsr_tl,
|
|
{ "Destination Address Count", "cmpp.submit.DestUsr_tl",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"Number of destination address, must smaller then 100",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Dest_terminal_Id,
|
|
{ "Destination Address", "cmpp.Dest_terminal_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"MSISDN number which receive the SMS",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_Dest_terminal_type,
|
|
{ "Fake Destination Terminal", "cmpp.submit.Dest_terminal_type",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"destination terminal type, 0 is real, 1 is fake",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Msg_Length,
|
|
{ "Message length", "cmpp.Msg_Length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00,
|
|
"SMS Message length, ASCII must be <= 160 bytes, other must be <= 140 bytes",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_Msg_Content,
|
|
{ "Message Content", "cmpp.Msg_Content",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_LinkID,
|
|
{ "Link ID", "cmpp.LinkID",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_submit_resp_Result,
|
|
{ "Result", "cmpp.submit_resp.Result",
|
|
FT_UINT32, BASE_DEC, VALS(vals_Submit_Resp_Result), 0x00,
|
|
"Submit Result",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Dest_Id,
|
|
{ "Destination ID", "cmpp.deliver.Dest_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"SP Service ID or server number",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Src_terminal_Id,
|
|
{ "Src_terminal_Id", "cmpp.deliver.Src_terminal_Id",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Source MSISDN number, if it is deliver report, this will be the CMPP_SUBMIT destination number",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Src_terminal_type,
|
|
{ "Fake source terminal type", "cmpp.deliver.Src_terminal_type",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"Type of the source terminal, can be 0 (real) or 1 (fake)",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Registered_Delivery,
|
|
{ "Deliver Report", "cmpp.deliver.Registered_Delivery",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
"The message is a deliver report if this value = 1",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Report,
|
|
{ "Detail Deliver Report", "cmpp.deliver.Report",
|
|
FT_NONE, BASE_NONE, NULL, 0x00,
|
|
"The detail report",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Report_Stat,
|
|
{ "Deliver Status", "cmpp.deliver.Report.Status",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Report_Submit_time,
|
|
{ "Submit_time", "cmpp.deliver.Report.Submit_time",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Format YYMMDDHHMM",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Report_Done_time,
|
|
{ "Done_time", "cmpp.deliver.Report.Done_time",
|
|
FT_STRING, BASE_NONE, NULL, 0x00,
|
|
"Format YYMMDDHHMM",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_Report_SMSC_sequence,
|
|
{ "SMSC_sequence", "cmpp.Report.SMSC_sequence",
|
|
FT_UINT32, BASE_DEC, NULL, 0x00,
|
|
"Sequence number",
|
|
HFILL }
|
|
},
|
|
{ &hf_cmpp_deliver_resp_Result,
|
|
{ "Result", "cmpp.deliver_resp.Result",
|
|
FT_UINT32, BASE_DEC, VALS(vals_Deliver_Resp_Result), 0x00,
|
|
"Deliver Result",
|
|
HFILL }
|
|
}
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_cmpp,
|
|
&ett_msg_id,
|
|
&ett_deliver_report,
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_cmpp = proto_register_protocol("China Mobile Point to Point Protocol",
|
|
"CMPP", "cmpp");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_cmpp, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
}
|
|
|
|
|
|
void
|
|
proto_reg_handoff_cmpp(void)
|
|
{
|
|
dissector_handle_t cmpp_handle;
|
|
|
|
cmpp_handle = create_dissector_handle(dissect_cmpp, proto_cmpp);
|
|
dissector_add_uint_range_with_preference("tcp.port", CMPP_PORT_RANGE, cmpp_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|