2 * Routines for yahoo messenger packet dissection
3 * Copyright 1999, Nathan Neulinger <nneul@umr.edu>
5 * $Id: packet-yhoo.c,v 1.20 2001/12/17 23:17:34 guy Exp $
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * Copied from packet-tftp.c
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
34 #ifdef HAVE_SYS_TYPES_H
35 # include <sys/types.h>
38 #ifdef HAVE_NETINET_IN_H
39 # include <netinet/in.h>
45 #include "packet-yhoo.h"
47 static int proto_yhoo = -1;
48 static int hf_yhoo_version = -1;
49 static int hf_yhoo_len = -1;
50 static int hf_yhoo_service = -1;
51 static int hf_yhoo_connection_id = -1;
52 static int hf_yhoo_magic_id = -1;
53 static int hf_yhoo_unknown1 = -1;
54 static int hf_yhoo_msgtype = -1;
55 static int hf_yhoo_nick1 = -1;
56 static int hf_yhoo_nick2 = -1;
57 static int hf_yhoo_content = -1;
59 static gint ett_yhoo = -1;
61 #define TCP_PORT_YHOO 5050
63 static const value_string yhoo_service_vals[] = {
64 {YAHOO_SERVICE_LOGON, "Pager Logon"},
65 {YAHOO_SERVICE_LOGOFF, "Pager Logoff"},
66 {YAHOO_SERVICE_ISAWAY, "Is Away"},
67 {YAHOO_SERVICE_ISBACK, "Is Back"},
68 {YAHOO_SERVICE_IDLE, "Idle"},
69 {YAHOO_SERVICE_MESSAGE, "Message"},
70 {YAHOO_SERVICE_IDACT, "Activate Identity"},
71 {YAHOO_SERVICE_IDDEACT, "Deactivate Identity"},
72 {YAHOO_SERVICE_MAILSTAT, "Mail Status"},
73 {YAHOO_SERVICE_USERSTAT, "User Status"},
74 {YAHOO_SERVICE_NEWMAIL, "New Mail"},
75 {YAHOO_SERVICE_CHATINVITE, "Chat Invitation"},
76 {YAHOO_SERVICE_CALENDAR, "Calendar Reminder"},
77 {YAHOO_SERVICE_NEWPERSONALMAIL, "New Personals Mail"},
78 {YAHOO_SERVICE_NEWCONTACT, "New Friend"},
79 {YAHOO_SERVICE_GROUPRENAME, "Group Renamed"},
80 {YAHOO_SERVICE_ADDIDENT, "Add Identity"},
81 {YAHOO_SERVICE_ADDIGNORE, "Add Ignore"},
82 {YAHOO_SERVICE_PING, "Ping"},
83 {YAHOO_SERVICE_SYSMESSAGE, "System Message"},
84 {YAHOO_SERVICE_CONFINVITE, "Conference Invitation"},
85 {YAHOO_SERVICE_CONFLOGON, "Conference Logon"},
86 {YAHOO_SERVICE_CONFDECLINE, "Conference Decline"},
87 {YAHOO_SERVICE_CONFLOGOFF, "Conference Logoff"},
88 {YAHOO_SERVICE_CONFMSG, "Conference Message"},
89 {YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"},
90 {YAHOO_SERVICE_CHATLOGON, "Chat Logon"},
91 {YAHOO_SERVICE_CHATLOGOFF, "Chat Logoff"},
92 {YAHOO_SERVICE_CHATMSG, "Chat Message"},
93 {YAHOO_SERVICE_FILETRANSFER, "File Transfer"},
94 {YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"},
98 static const value_string yhoo_msgtype_vals[] = {
99 {YAHOO_MSGTYPE_NONE, "None"},
100 {YAHOO_MSGTYPE_NORMAL, "Normal"},
101 {YAHOO_MSGTYPE_BOUNCE, "Bounce"},
102 {YAHOO_MSGTYPE_STATUS, "Status Update"},
103 {YAHOO_MSGTYPE_OFFLINE, "Request Offline"},
108 dissect_yhoo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
110 proto_tree *yhoo_tree, *ti;
114 if (pinfo->srcport != TCP_PORT_YHOO && pinfo->destport != TCP_PORT_YHOO) {
115 /* Not the Yahoo port - not a Yahoo Messenger packet. */
119 /* get at least a full packet structure */
120 if ( !tvb_bytes_exist(tvb, 0, sizeof(struct yahoo_rawpacket)) ) {
121 /* Not enough data captured; maybe it is a Yahoo
122 Messenger packet, but it contains too little data to
127 length = tvb_length(tvb);
129 if (memcmp(tvb_get_ptr(tvb, offset, 4), "YPNS", 4) != 0 &&
130 memcmp(tvb_get_ptr(tvb, offset, 4), "YHOO", 4) != 0) {
131 /* Not a Yahoo Messenger packet. */
135 if (check_col(pinfo->cinfo, COL_PROTOCOL))
136 col_set_str(pinfo->cinfo, COL_PROTOCOL, "YHOO");
139 if (check_col(pinfo->cinfo, COL_INFO)) {
140 col_add_fstr(pinfo->cinfo, COL_INFO,
142 ( strncmp(tvb_get_ptr(tvb, offset + 0, 4), "YPNS", 4) == 0 ) ? "Request" : "Response",
143 val_to_str(tvb_get_letohl(tvb, offset + 12),
144 yhoo_service_vals, "Unknown Service: %u")
149 ti = proto_tree_add_item(tree, proto_yhoo, tvb, offset,
150 tvb_length_remaining(tvb, offset), FALSE);
151 yhoo_tree = proto_item_add_subtree(ti, ett_yhoo);
153 proto_tree_add_item(yhoo_tree, hf_yhoo_version, tvb,
157 proto_tree_add_item(yhoo_tree, hf_yhoo_len, tvb,
161 proto_tree_add_item(yhoo_tree, hf_yhoo_service, tvb,
165 proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id, tvb,
169 proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id, tvb,
173 proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1, tvb,
177 proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype, tvb,
181 proto_tree_add_item(yhoo_tree, hf_yhoo_nick1, tvb,
185 proto_tree_add_item(yhoo_tree, hf_yhoo_nick2, tvb,
189 proto_tree_add_item(yhoo_tree, hf_yhoo_content, tvb,
190 offset, length-offset, TRUE);
197 proto_register_yhoo(void)
199 static hf_register_info hf[] = {
200 { &hf_yhoo_service, {
201 "Service Type", "yhoo.service", FT_UINT32, BASE_DEC,
202 VALS(yhoo_service_vals), 0, "Service Type", HFILL }},
203 { &hf_yhoo_msgtype, {
204 "Message Type", "yhoo.msgtype", FT_UINT32, BASE_DEC,
205 VALS(yhoo_msgtype_vals), 0, "Message Type Flags", HFILL }},
206 { &hf_yhoo_connection_id, {
207 "Connection ID", "yhoo.connection_id", FT_UINT32, BASE_HEX,
208 NULL, 0, "Connection ID", HFILL }},
209 { &hf_yhoo_magic_id, {
210 "Magic ID", "yhoo.magic_id", FT_UINT32, BASE_HEX,
211 NULL, 0, "Magic ID", HFILL }},
212 { &hf_yhoo_unknown1, {
213 "Unknown 1", "yhoo.unknown1", FT_UINT32, BASE_HEX,
214 NULL, 0, "Unknown 1", HFILL }},
216 "Packet Length", "yhoo.len", FT_UINT32, BASE_DEC,
217 NULL, 0, "Packet Length", HFILL }},
219 "Real Nick (nick1)", "yhoo.nick1", FT_STRING, 0,
220 NULL, 0, "Real Nick (nick1)", HFILL }},
222 "Active Nick (nick2)", "yhoo.nick2", FT_STRING, 0,
223 NULL, 0, "Active Nick (nick2)", HFILL }},
224 { &hf_yhoo_content, {
225 "Content", "yhoo.content", FT_STRING, 0,
226 NULL, 0, "Data portion of the packet", HFILL }},
227 { &hf_yhoo_version, {
228 "Version", "yhoo.version", FT_STRING, 0,
229 NULL, 0, "Packet version identifier", HFILL }},
231 static gint *ett[] = {
235 proto_yhoo = proto_register_protocol("Yahoo Messenger Protocol",
238 proto_register_field_array(proto_yhoo, hf, array_length(hf));
240 proto_register_subtree_array(ett, array_length(ett));
244 proto_reg_handoff_yhoo(void)
246 heur_dissector_add("tcp", dissect_yhoo, proto_yhoo);