![Evan Huus](/assets/img/avatar_default.png)
was done using textual search+replace, not anything syntax-aware, so presumably it got most comments as well (except where there were typos). Use a consistent coding style, and make proper use of the WS_DLL_* defines. Group the functions appropriately in the header. I ended up getting rid of most of the explanatory comments since many of them duplicated what was in the value_string.c file (and were out of sync with the recent updates I made to those in r48633). Presumably most of the comments should be in the .h file not the .c file, but there's enough churn ahead that it's not worth fixing yet. Part of https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8467 svn path=/trunk/; revision=48634
204 lines
5.9 KiB
C
204 lines
5.9 KiB
C
/* packet-oicq.c
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* Routines for OICQ - IM software,popular in China - packet dissection
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* (c) Copyright Secfire <secfire@gmail.com>
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*
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* $Id$
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*
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* OICQ is an IM software,which is popular in China. And,
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* OICQ has more than 10 millions users at present.
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* The Protocol showed in this file, is found by investigating OICQ's
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* Packets as a black box.
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*
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* The OICQ client software is always changing,and the protocol of
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* communication is also.
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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 <glib.h>
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#include <epan/packet.h>
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/*
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Protocol Flag: 8bit unsigned
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Sender Flag: 16bit unsigned
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Command Number: 16bit unsigned
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Sequence Number: 16bit unsigned
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OICQ Number: 32bit unsigned
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Data: Variable Length data
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*
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*/
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/* By default, but can be completely different */
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#define UDP_PORT_OICQ 8000
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static int proto_oicq = -1;
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static int hf_oicq_flag = -1;
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static int hf_oicq_version = -1;
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static int hf_oicq_command = -1;
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static int hf_oicq_seq = -1;
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static int hf_oicq_qqid = -1;
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static int hf_oicq_data = -1;
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static gint ett_oicq = -1;
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static const value_string oicq_flag_vals[] = {
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{ 0x02, "Oicq packet" },
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{ 0, NULL }
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};
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static const value_string oicq_command_vals[] = {
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{ 0x0001, "Log out" },
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{ 0x0002, "Heart Message" },
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{ 0x0004, "Update User information" },
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{ 0x0005, "Search user" },
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{ 0x0006, "Get User informationBroadcast" },
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{ 0x0009, "Add friend no auth" },
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{ 0x000a, "Delete user" },
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{ 0x000b, "Add friend by auth" },
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{ 0x000d, "Set status" },
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{ 0x0012, "Confirmation of receiving message from server" },
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{ 0x0016, "Send message" },
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{ 0x0017, "Receive message" },
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{ 0x0018, "Retrieve information" },
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{ 0x001a, "Reserved " },
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{ 0x001c, "Delete Me" },
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{ 0x001d, "Request KEY" },
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{ 0x0021, "Cell Phone" },
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{ 0x0022, "Log in" },
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{ 0x0026, "Get friend list" },
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{ 0x0027, "Get friend online" },
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{ 0x0029, "Cell PHONE" },
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{ 0x0030, "Operation on group" },
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{ 0x0031, "Log in test" },
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{ 0x003c, "Group name operation" },
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{ 0x003d, "Upload group friend" },
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{ 0x003e, "MEMO Operation" },
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{ 0x0058, "Download group friend" },
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{ 0x005c, "Get level" },
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{ 0x0062, "Request login" },
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{ 0x0065, "Request extra information" },
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{ 0x0067, "Signature operation" },
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{ 0x0080, "Receive system message" },
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{ 0x0081, "Get status of friend" },
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{ 0x00b5, "Get friend's status of group" },
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{ 0, NULL }
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};
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/* dissect_oicq - dissects oicq packet data
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* tvb - tvbuff for packet data (IN)
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* pinfo - packet info
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* proto_tree - resolved protocol tree
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*/
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static int
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dissect_oicq(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_tree *oicq_tree;
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proto_item *ti;
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int offset = 0;
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/* Make sure this packet is for us. */
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/* heuristic: OICQ iff (([0] == STX) && ([3/4] == <valid_command>) ) */
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/* (Supposedly each OICQ message ends with an ETX so a test for */
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/* same could also be part of the heuristic). */
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if ( (try_val_to_str(tvb_get_guint8(tvb, 0), oicq_flag_vals) == NULL) ||
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(try_val_to_str(tvb_get_ntohs(tvb, 3), oicq_command_vals) == NULL) )
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return 0;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "OICQ");
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col_set_str(pinfo->cinfo, COL_INFO, "OICQ Protocol ");
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if (tree) {
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ti = proto_tree_add_item(tree, proto_oicq, tvb, 0, -1, ENC_NA);
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oicq_tree = proto_item_add_subtree(ti, ett_oicq);
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proto_tree_add_item(oicq_tree, hf_oicq_flag, tvb, offset, 1, ENC_BIG_ENDIAN);
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offset += 1;
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proto_tree_add_item(oicq_tree, hf_oicq_version, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(oicq_tree, hf_oicq_command, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(oicq_tree, hf_oicq_seq, tvb, offset, 2, ENC_BIG_ENDIAN);
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offset += 2;
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proto_tree_add_item(oicq_tree, hf_oicq_qqid, tvb, offset, 4, ENC_BIG_ENDIAN);
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offset += 4;
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proto_tree_add_item(oicq_tree, hf_oicq_data, tvb, offset, -1, ENC_ASCII|ENC_NA);
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}
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return tvb_length(tvb);
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}
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void
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proto_register_oicq(void)
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{
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static hf_register_info hf[] = {
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{ &hf_oicq_flag, {
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"Flag", "oicq.flag", FT_UINT8, BASE_HEX,
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VALS(oicq_flag_vals), 0, "Protocol Flag", HFILL }},
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{ &hf_oicq_version, {
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"Version", "oicq.version", FT_UINT16, BASE_HEX,
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NULL, 0, "Version-zz", HFILL }},
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{ &hf_oicq_command, {
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"Command", "oicq.command", FT_UINT16, BASE_DEC,
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VALS(oicq_command_vals), 0, NULL, HFILL }},
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{ &hf_oicq_seq, {
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"Sequence", "oicq.seq", FT_UINT16, BASE_DEC,
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NULL, 0, NULL, HFILL }},
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{ &hf_oicq_qqid, {
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"Data(OICQ Number,if sender is client)", "oicq.qqid", FT_UINT32, BASE_DEC,
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NULL, 0, NULL, HFILL }},
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{ &hf_oicq_data, {
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"Data", "oicq.data", FT_STRING, BASE_NONE,
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NULL, 0, NULL, HFILL }},
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};
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static gint *ett[] = {
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&ett_oicq,
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};
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proto_oicq = proto_register_protocol("OICQ - IM software, popular in China", "OICQ",
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"oicq");
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proto_register_field_array(proto_oicq, 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_oicq(void)
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{
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dissector_handle_t oicq_handle;
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oicq_handle = new_create_dissector_handle(dissect_oicq, proto_oicq);
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dissector_add_uint("udp.port", UDP_PORT_OICQ, oicq_handle);
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}
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