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Change-Id: I14577dccaed5aa5ed85e94b6810a94b4c8b2e437 Reviewed-on: https://code.wireshark.org/review/8059 Reviewed-by: Anders Broman <a.broman58@gmail.com>
173 lines
5.6 KiB
C
173 lines
5.6 KiB
C
/* packet-aim-chat.c
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* Routines for AIM Instant Messenger (OSCAR) dissection, SNAC Chat
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* Copyright 2004, Jelmer Vernooij <jelmer@samba.org>
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* Copyright 2000, Ralf Hoelzer <ralf@well.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-aim.h"
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void proto_register_aim_chat(void);
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void proto_reg_handoff_aim_chat(void);
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/* SNAC families */
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#define FAMILY_CHAT 0x000E
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#define AIM_CHAT_TLV_BROWSABLE_TREE 0x001
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#define AIM_CHAT_TLV_CLASS_EXCLUSIVE 0x002
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#define AIM_CHAT_TLV_MAX_CONCURRENT_ROOMS 0x003
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#define AIM_CHAT_TLV_MAX_ROOM_NAME_LEN 0x004
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#define AIM_CHAT_TLV_ROOT_ROOMS 0x005
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#define AIM_CHAT_TLV_SEARCH_TAGS 0x006
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#define AIM_CHAT_TLV_CHILD_ROOMS 0x065
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#define AIM_CHAT_TLV_CONTAINS_USER_CLASS 0x066
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#define AIM_CHAT_TLV_CONTAINS_USER_ARRAY 0x067
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#if 0
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static const aim_tlv aim_chat_tlvs[] _U_ = {
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{ AIM_CHAT_TLV_BROWSABLE_TREE, "Browsable tree", dissect_aim_tlv_value_bytes },
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{ AIM_CHAT_TLV_CLASS_EXCLUSIVE, "Exclusively for class", dissect_aim_tlv_value_userclass },
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{ AIM_CHAT_TLV_MAX_CONCURRENT_ROOMS, "Max. number of concurrent rooms", dissect_aim_tlv_value_uint8 },
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{ AIM_CHAT_TLV_MAX_ROOM_NAME_LEN, "Max. length of room name", dissect_aim_tlv_value_uint8 },
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{ AIM_CHAT_TLV_ROOT_ROOMS, "Root Rooms", dissect_aim_tlv_value_bytes },
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{ AIM_CHAT_TLV_SEARCH_TAGS, "Search Tags", dissect_aim_tlv_value_bytes },
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{ AIM_CHAT_TLV_CHILD_ROOMS, "Child Rooms", dissect_aim_tlv_value_bytes },
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{ AIM_CHAT_TLV_CONTAINS_USER_CLASS, "Contains User Class", dissect_aim_tlv_value_bytes },
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{ AIM_CHAT_TLV_CONTAINS_USER_ARRAY, "Contains User Array", dissect_aim_tlv_value_bytes },
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{ 0, NULL, NULL }
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};
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#endif
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/* Initialize the protocol and registered fields */
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static int proto_aim_chat = -1;
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static int hf_aim_chat_screen_name = -1;
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/* Initialize the subtree pointers */
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static gint ett_aim_chat = -1;
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static int dissect_aim_chat_userinfo_list(tvbuff_t *tvb, packet_info *pinfo, proto_tree *chat_tree)
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{
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int offset = 0;
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while(tvb_reported_length_remaining(tvb, offset) > 0) {
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offset = dissect_aim_userinfo(tvb, pinfo, offset, chat_tree);
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}
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return offset;
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}
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static int dissect_aim_chat_outgoing_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *chat_tree _U_)
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{
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guint8 *buddyname;
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guchar *msg;
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int buddyname_length;
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msg=(guchar *)wmem_alloc(wmem_packet_scope(), 1000);
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buddyname_length = aim_get_buddyname( &buddyname, tvb, 30 );
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/* channel message from client */
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aim_get_message( msg, tvb, 40 + buddyname_length, tvb_reported_length(tvb)
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- 40 - buddyname_length );
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", msg);
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return tvb_reported_length(tvb);
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}
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static int dissect_aim_chat_incoming_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *chat_tree)
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{
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guint8 *buddyname;
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guchar *msg;
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/* channel message to client */
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int buddyname_length;
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msg=(guchar *)wmem_alloc(wmem_packet_scope(), 1000);
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buddyname_length = aim_get_buddyname( &buddyname, tvb, 30 );
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aim_get_message( msg, tvb, 36 + buddyname_length, tvb_reported_length(tvb)
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- 36 - buddyname_length );
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col_append_fstr(pinfo->cinfo, COL_INFO, "from: %s", buddyname);
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col_append_fstr(pinfo->cinfo, COL_INFO, " -> %s", msg);
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proto_tree_add_string(chat_tree, hf_aim_chat_screen_name, tvb, 31, buddyname_length, buddyname);
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return tvb_reported_length(tvb);
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}
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static const aim_subtype aim_fnac_family_chat[] = {
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{ 0x0001, "Error", dissect_aim_snac_error },
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{ 0x0002, "Room Info Update", NULL },
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{ 0x0003, "User Join", dissect_aim_chat_userinfo_list },
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{ 0x0004, "User Leave", dissect_aim_chat_userinfo_list },
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{ 0x0005, "Outgoing Message", dissect_aim_chat_outgoing_msg },
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{ 0x0006, "Incoming Message", dissect_aim_chat_incoming_msg },
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{ 0x0007, "Evil Request", NULL },
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{ 0x0008, "Evil Reply", NULL },
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{ 0, NULL, NULL }
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};
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/* Register the protocol with Wireshark */
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void
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proto_register_aim_chat(void)
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{
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/* Setup list of header fields */
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static hf_register_info hf[] = {
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{ &hf_aim_chat_screen_name,
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{ "Screen Name", "aim_chat.screen_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL },
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},
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};
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/* Setup protocol subtree array */
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static gint *ett[] = {
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&ett_aim_chat,
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};
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/* Register the protocol name and description */
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proto_aim_chat = proto_register_protocol("AIM Chat Service", "AIM Chat", "aim_chat");
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/* Required function calls to register the header fields and subtrees used */
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proto_register_field_array(proto_aim_chat, 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_aim_chat(void)
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{
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aim_init_family(proto_aim_chat, ett_aim_chat, FAMILY_CHAT, aim_fnac_family_chat);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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