/* packet-yhoo.c * Routines for yahoo messenger packet dissection * Copyright 1999, Nathan Neulinger * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * Copied from packet-tftp.c * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "config.h" #include void proto_register_yhoo(void); void proto_reg_handoff_yhoo(void); static int proto_yhoo = -1; static int hf_yhoo_version = -1; static int hf_yhoo_len = -1; static int hf_yhoo_service = -1; static int hf_yhoo_connection_id = -1; static int hf_yhoo_magic_id = -1; static int hf_yhoo_unknown1 = -1; static int hf_yhoo_msgtype = -1; static int hf_yhoo_nick1 = -1; static int hf_yhoo_nick2 = -1; static int hf_yhoo_content = -1; static gint ett_yhoo = -1; #define TCP_PORT_YHOO 5050 /* This is from yahoolib.h from gtkyahoo */ /* Service constants */ #define YAHOO_SERVICE_LOGON 1 #define YAHOO_SERVICE_LOGOFF 2 #define YAHOO_SERVICE_ISAWAY 3 #define YAHOO_SERVICE_ISBACK 4 #define YAHOO_SERVICE_IDLE 5 #define YAHOO_SERVICE_MESSAGE 6 #define YAHOO_SERVICE_IDACT 7 #define YAHOO_SERVICE_IDDEACT 8 #define YAHOO_SERVICE_MAILSTAT 9 #define YAHOO_SERVICE_USERSTAT 10 #define YAHOO_SERVICE_NEWMAIL 11 #define YAHOO_SERVICE_CHATINVITE 12 #define YAHOO_SERVICE_CALENDAR 13 #define YAHOO_SERVICE_NEWPERSONALMAIL 14 #define YAHOO_SERVICE_NEWCONTACT 15 #define YAHOO_SERVICE_ADDIDENT 16 #define YAHOO_SERVICE_ADDIGNORE 17 #define YAHOO_SERVICE_PING 18 #define YAHOO_SERVICE_GROUPRENAME 19 #define YAHOO_SERVICE_SYSMESSAGE 20 #define YAHOO_SERVICE_PASSTHROUGH2 22 #define YAHOO_SERVICE_CONFINVITE 24 #define YAHOO_SERVICE_CONFLOGON 25 #define YAHOO_SERVICE_CONFDECLINE 26 #define YAHOO_SERVICE_CONFLOGOFF 27 #define YAHOO_SERVICE_CONFADDINVITE 28 #define YAHOO_SERVICE_CONFMSG 29 #define YAHOO_SERVICE_CHATLOGON 30 #define YAHOO_SERVICE_CHATLOGOFF 31 #define YAHOO_SERVICE_CHATMSG 32 #define YAHOO_SERVICE_FILETRANSFER 70 #define YAHOO_SERVICE_CHATADDINVITE 157 #define YAHOO_SERVICE_AVATAR 188 #define YAHOO_SERVICE_PICTURE_CHECKSUM 189 #define YAHOO_SERVICE_PICTURE 190 #define YAHOO_SERVICE_PICTURE_UPDATE 193 #define YAHOO_SERVICE_PICTURE_UPLOAD 194 #define YAHOO_SERVICE_YAHOO6_STATUS_UPDATE 198 #define YAHOO_SERVICE_AVATAR_UPDATE 199 #define YAHOO_SERVICE_AUDIBLE 208 #define YAHOO_SERVICE_WEBLOGIN 550 #define YAHOO_SERVICE_SMS_MSG 746 /* Message flags */ #define YAHOO_MSGTYPE_NONE 0 #define YAHOO_MSGTYPE_NORMAL 1 #define YAHOO_MSGTYPE_BOUNCE 2 #define YAHOO_MSGTYPE_STATUS 4 #define YAHOO_MSGTYPE_OFFLINE 1515563606 /* yuck! */ #define YAHOO_RAWPACKET_LEN 105 #if 0 struct yahoo_rawpacket { char version[8]; /* 7 chars and trailing null */ unsigned char len[4]; /* length - little endian */ unsigned char service[4]; /* service - little endian */ unsigned char connection_id[4]; /* connection number - little endian */ unsigned char magic_id[4]; /* magic number used for http session */ unsigned char unknown1[4]; unsigned char msgtype[4]; char nick1[36]; char nick2[36]; char content[1]; /* was zero, had problems with aix xlc */ }; #endif static const value_string yhoo_service_vals[] = { {YAHOO_SERVICE_LOGON, "Pager Logon"}, {YAHOO_SERVICE_LOGOFF, "Pager Logoff"}, {YAHOO_SERVICE_ISAWAY, "Is Away"}, {YAHOO_SERVICE_ISBACK, "Is Back"}, {YAHOO_SERVICE_IDLE, "Idle"}, {YAHOO_SERVICE_MESSAGE, "Message"}, {YAHOO_SERVICE_IDACT, "Activate Identity"}, {YAHOO_SERVICE_IDDEACT, "Deactivate Identity"}, {YAHOO_SERVICE_MAILSTAT, "Mail Status"}, {YAHOO_SERVICE_USERSTAT, "User Status"}, {YAHOO_SERVICE_NEWMAIL, "New Mail"}, {YAHOO_SERVICE_CHATINVITE, "Chat Invitation"}, {YAHOO_SERVICE_CALENDAR, "Calendar Reminder"}, {YAHOO_SERVICE_NEWPERSONALMAIL, "New Personals Mail"}, {YAHOO_SERVICE_NEWCONTACT, "New Friend"}, {YAHOO_SERVICE_GROUPRENAME, "Group Renamed"}, {YAHOO_SERVICE_ADDIDENT, "Add Identity"}, {YAHOO_SERVICE_ADDIGNORE, "Add Ignore"}, {YAHOO_SERVICE_PING, "Ping"}, {YAHOO_SERVICE_SYSMESSAGE, "System Message"}, {YAHOO_SERVICE_CONFINVITE, "Conference Invitation"}, {YAHOO_SERVICE_CONFLOGON, "Conference Logon"}, {YAHOO_SERVICE_CONFDECLINE, "Conference Decline"}, {YAHOO_SERVICE_CONFLOGOFF, "Conference Logoff"}, {YAHOO_SERVICE_CONFMSG, "Conference Message"}, {YAHOO_SERVICE_CONFADDINVITE, "Conference Additional Invitation"}, {YAHOO_SERVICE_CHATLOGON, "Chat Logon"}, {YAHOO_SERVICE_CHATLOGOFF, "Chat Logoff"}, {YAHOO_SERVICE_CHATMSG, "Chat Message"}, {YAHOO_SERVICE_FILETRANSFER, "File Transfer"}, {YAHOO_SERVICE_PASSTHROUGH2, "Passthrough 2"}, {YAHOO_SERVICE_CHATADDINVITE, "Chat add Invite"}, {YAHOO_SERVICE_AVATAR, "Avatar"}, {YAHOO_SERVICE_PICTURE_CHECKSUM, "Picture Checksum"}, {YAHOO_SERVICE_PICTURE, "Picture"}, {YAHOO_SERVICE_PICTURE_UPDATE, "Picture Update"}, {YAHOO_SERVICE_PICTURE_UPLOAD, "Picture Upload"}, {YAHOO_SERVICE_YAHOO6_STATUS_UPDATE, "Status update"}, {YAHOO_SERVICE_AUDIBLE, "Audible"}, {YAHOO_SERVICE_WEBLOGIN, "Weblogin"}, {YAHOO_SERVICE_SMS_MSG, "SMS Message"}, {0, NULL} }; static const value_string yhoo_msgtype_vals[] = { {YAHOO_MSGTYPE_NONE, "None"}, {YAHOO_MSGTYPE_NORMAL, "Normal"}, {YAHOO_MSGTYPE_BOUNCE, "Bounce"}, {YAHOO_MSGTYPE_STATUS, "Status Update"}, {YAHOO_MSGTYPE_OFFLINE, "Request Offline"}, {0, NULL} }; static gboolean dissect_yhoo(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { proto_tree *yhoo_tree, *ti; int offset = 0; if (pinfo->srcport != TCP_PORT_YHOO && pinfo->destport != TCP_PORT_YHOO) { /* Not the Yahoo port - not a Yahoo Messenger packet. */ return FALSE; } /* get at least a full packet structure */ if ( tvb_captured_length(tvb) < YAHOO_RAWPACKET_LEN ) { /* Not enough data captured; maybe it is a Yahoo Messenger packet, but it contains too little data to tell. */ return FALSE; } if (tvb_memeql(tvb, offset, "YPNS", 4) != 0 && tvb_memeql(tvb, offset, "YHOO", 4) != 0) { /* Not a Yahoo Messenger packet. */ return FALSE; } col_set_str(pinfo->cinfo, COL_PROTOCOL, "YHOO"); col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s", ( tvb_memeql(tvb, offset + 0, "YPNS", 4) == 0 ) ? "Request" : "Response", val_to_str(tvb_get_letohl(tvb, offset + 12), yhoo_service_vals, "Unknown Service: %u")); if (tree) { ti = proto_tree_add_item(tree, proto_yhoo, tvb, offset, -1, ENC_NA); yhoo_tree = proto_item_add_subtree(ti, ett_yhoo); proto_tree_add_item(yhoo_tree, hf_yhoo_version, tvb, offset, 8, ENC_ASCII|ENC_NA); offset += 8; proto_tree_add_item(yhoo_tree, hf_yhoo_len, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_service, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_nick1, tvb, offset, 36, ENC_ASCII|ENC_NA); offset += 36; proto_tree_add_item(yhoo_tree, hf_yhoo_nick2, tvb, offset, 36, ENC_ASCII|ENC_NA); offset += 36; proto_tree_add_item(yhoo_tree, hf_yhoo_content, tvb, -1, offset, ENC_ASCII|ENC_NA); } return TRUE; } void proto_register_yhoo(void) { static hf_register_info hf[] = { { &hf_yhoo_service, { "Service Type", "yhoo.service", FT_UINT32, BASE_DEC, VALS(yhoo_service_vals), 0, NULL, HFILL }}, { &hf_yhoo_msgtype, { "Message Type", "yhoo.msgtype", FT_UINT32, BASE_DEC, VALS(yhoo_msgtype_vals), 0, "Message Type Flags", HFILL }}, { &hf_yhoo_connection_id, { "Connection ID", "yhoo.connection_id", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_yhoo_magic_id, { "Magic ID", "yhoo.magic_id", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_yhoo_unknown1, { "Unknown 1", "yhoo.unknown1", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_yhoo_len, { "Packet Length", "yhoo.len", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_yhoo_nick1, { "Real Nick (nick1)", "yhoo.nick1", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_yhoo_nick2, { "Active Nick (nick2)", "yhoo.nick2", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_yhoo_content, { "Content", "yhoo.content", FT_STRING, BASE_NONE, NULL, 0, "Data portion of the packet", HFILL }}, { &hf_yhoo_version, { "Version", "yhoo.version", FT_STRING, BASE_NONE, NULL, 0, "Packet version identifier", HFILL }}, }; static gint *ett[] = { &ett_yhoo, }; proto_yhoo = proto_register_protocol("Yahoo Messenger Protocol", "YHOO", "yhoo"); proto_register_field_array(proto_yhoo, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); } void proto_reg_handoff_yhoo(void) { /* * DO NOT register for port 5050, as that's used by the * old and new Yahoo messenger protocols. * * Just register as a heuristic TCP dissector, and reject stuff * not to or from that port. */ heur_dissector_add("tcp", dissect_yhoo, "Yahoo Messenger over TCP", "yhoo_tcp", proto_yhoo, HEURISTIC_ENABLE); } /* * 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: */