/* * Copyright (C) 2000,2001	Onlyer	(onlyer@263.net) * * 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. */#include "common/setup_before.h"#include "setup.h"#ifdef STDC_HEADERS# include <stdlib.h>#else# ifdef HAVE_MALLOC_H#  include <malloc.h># endif#endif#include "connection.h"#include "handle_init.h"#include "handle_d2gs.h"#include "d2gs.h"#include "prefs.h"#include "common/init_protocol.h"#include "common/addr.h"#include "common/packet.h"#include "common/queue.h"#include "common/eventlog.h"#include "common/bn_type.h"#include "common/setup_after.h"static int on_d2gs_initconn(t_connection * c);static int on_d2cs_initconn(t_connection * c);extern int d2cs_handle_init_packet(t_connection * c, t_packet * packet){	int	class;	int	retval;	ASSERT(c,-1);	ASSERT(packet,-1);	class=bn_byte_get(packet->u.client_initconn.class);	switch (class) {		case CLIENT_INITCONN_CLASS_D2CS:			retval=on_d2cs_initconn(c);			break;		case CLIENT_INITCONN_CLASS_D2GS:			retval=on_d2gs_initconn(c);			break;		default:			eventlog(eventlog_level_error,__FUNCTION__,"got bad connection class %d",class);			retval=-1;			break;	}	return retval;}static int on_d2gs_initconn(t_connection * c){	t_d2gs * gs;	eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated d2gs connection",d2cs_conn_get_socket(c));	if (!(gs=d2gslist_find_gs_by_ip(d2cs_conn_get_addr(c)))) {		// reload list and see if any dns addy's has changed		if (d2gslist_reload(prefs_get_d2gs_list())<0) {			eventlog(eventlog_level_error,__FUNCTION__,"error reloading game server list,exitting");			return -1;		}		//recheck		if (!(gs=d2gslist_find_gs_by_ip(d2cs_conn_get_addr(c)))) {			eventlog(eventlog_level_error,__FUNCTION__,"d2gs connection from invalid ip address %s",addr_num_to_ip_str(d2cs_conn_get_addr(c)));			return -1;		}	}	d2cs_conn_set_class(c,conn_class_d2gs);	d2cs_conn_set_state(c,conn_state_connected);	conn_set_d2gs_id(c,d2gs_get_id(gs));	if (handle_d2gs_init(c)<0) {		eventlog(eventlog_level_error,__FUNCTION__,"failed to init d2gs connection");		return -1;	}	return 0;}static int on_d2cs_initconn(t_connection * c){	eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated d2cs connection",d2cs_conn_get_socket(c));	d2cs_conn_set_class(c,conn_class_d2cs);	d2cs_conn_set_state(c,conn_state_connected);	return 0;}