/* packet-yhoo.c * Routines for yahoo messenger packet dissection * Copyright 1999, Nathan Neulinger * * $Id: packet-yhoo.c,v 1.24 2002/08/02 23:36:05 jmayer Exp $ * * Ethereal - 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include "packet-yhoo.h" 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 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"}, {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) { 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_bytes_exist(tvb, 0, sizeof(struct yahoo_rawpacket)) ) { /* Not enough data captured; maybe it is a Yahoo Messenger packet, but it contains too little data to tell. */ return FALSE; } if (memcmp(tvb_get_ptr(tvb, offset, 4), "YPNS", 4) != 0 && memcmp(tvb_get_ptr(tvb, offset, 4), "YHOO", 4) != 0) { /* Not a Yahoo Messenger packet. */ return FALSE; } if (check_col(pinfo->cinfo, COL_PROTOCOL)) col_set_str(pinfo->cinfo, COL_PROTOCOL, "YHOO"); offset = 0; if (check_col(pinfo->cinfo, COL_INFO)) { col_add_fstr(pinfo->cinfo, COL_INFO, "%s: %s", ( strncmp(tvb_get_ptr(tvb, offset + 0, 4), "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, FALSE); yhoo_tree = proto_item_add_subtree(ti, ett_yhoo); proto_tree_add_item(yhoo_tree, hf_yhoo_version, tvb, offset, 8, TRUE); offset += 8; proto_tree_add_item(yhoo_tree, hf_yhoo_len, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_service, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_connection_id, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_magic_id, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_unknown1, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_msgtype, tvb, offset, 4, TRUE); offset += 4; proto_tree_add_item(yhoo_tree, hf_yhoo_nick1, tvb, offset, 36, TRUE); offset += 36; proto_tree_add_item(yhoo_tree, hf_yhoo_nick2, tvb, offset, 36, TRUE); offset += 36; proto_tree_add_item(yhoo_tree, hf_yhoo_content, tvb, -1, offset, TRUE); } 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, "Service Type", 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, "Connection ID", HFILL }}, { &hf_yhoo_magic_id, { "Magic ID", "yhoo.magic_id", FT_UINT32, BASE_HEX, NULL, 0, "Magic ID", HFILL }}, { &hf_yhoo_unknown1, { "Unknown 1", "yhoo.unknown1", FT_UINT32, BASE_HEX, NULL, 0, "Unknown 1", HFILL }}, { &hf_yhoo_len, { "Packet Length", "yhoo.len", FT_UINT32, BASE_DEC, NULL, 0, "Packet Length", HFILL }}, { &hf_yhoo_nick1, { "Real Nick (nick1)", "yhoo.nick1", FT_STRING, 0, NULL, 0, "Real Nick (nick1)", HFILL }}, { &hf_yhoo_nick2, { "Active Nick (nick2)", "yhoo.nick2", FT_STRING, 0, NULL, 0, "Active Nick (nick2)", HFILL }}, { &hf_yhoo_content, { "Content", "yhoo.content", FT_STRING, 0, NULL, 0, "Data portion of the packet", HFILL }}, { &hf_yhoo_version, { "Version", "yhoo.version", FT_STRING, 0, 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) { heur_dissector_add("tcp", dissect_yhoo, proto_yhoo); }