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sysadm |
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/*
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* Copyright (C) 1999,2000 Ross Combs (rocombs@cs.nmsu.edu)
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common/setup_before.h"
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#ifdef HAVE_STDDEF_H
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# include <stddef.h>
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#else
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# ifndef NULL
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# define NULL ((void *)0)
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# endif
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#endif
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#include "common/packet.h"
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#include "common/init_protocol.h"
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#include "common/eventlog.h"
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#include "common/queue.h"
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#include "common/bn_type.h"
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#include "connection.h"
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#include "realm.h"
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#include "prefs.h"
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#include "common/addr.h"
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#include "handle_init.h"
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#include "handle_d2cs.h"
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#include "common/setup_after.h"
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extern int handle_init_packet(t_connection * c, t_packet const * const packet)
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{
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if (!c)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] got NULL connection",conn_get_socket(c));
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return -1;
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}
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if (!packet)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] got NULL packet",conn_get_socket(c));
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return -1;
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}
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if (packet_get_class(packet)!=packet_class_init)
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{
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] got bad packet (class %d)",conn_get_socket(c),(int)packet_get_class(packet));
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return -1;
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}
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switch (packet_get_type(packet))
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{
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case CLIENT_INITCONN:
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switch (bn_byte_get(packet->u.client_initconn.class))
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{
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case CLIENT_INITCONN_CLASS_BNET:
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated bnet connection",conn_get_socket(c));
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conn_set_state(c,conn_state_connected);
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conn_set_class(c,conn_class_bnet);
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break;
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case CLIENT_INITCONN_CLASS_FILE:
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated file download connection",conn_get_socket(c));
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conn_set_state(c,conn_state_connected);
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conn_set_class(c,conn_class_file);
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break;
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case CLIENT_INITCONN_CLASS_BOT:
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated chat bot connection",conn_get_socket(c));
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conn_set_state(c,conn_state_connected);
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conn_set_class(c,conn_class_bot);
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break;
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case CLIENT_INITCONN_CLASS_TELNET:
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated telnet connection",conn_get_socket(c));
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conn_set_state(c,conn_state_connected);
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conn_set_class(c,conn_class_telnet);
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break;
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case CLIENT_INITCONN_CLASS_D2CS_BNETD:
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{
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated d2cs_bnetd connection",conn_get_socket(c));
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if (!(realmlist_find_realm_by_ip(conn_get_addr(c))))
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{
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eventlog(eventlog_level_info,__FUNCTION__, "[%d] d2cs connection from unknown ip address %s",conn_get_socket(c),addr_num_to_addr_str(conn_get_addr(c),conn_get_port(c)));
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return -1;
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}
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conn_set_state(c,conn_state_connected);
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conn_set_class(c,conn_class_d2cs_bnetd);
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if (handle_d2cs_init(c)<0)
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{
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eventlog(eventlog_level_info,__FUNCTION__,"faild to init d2cs connection");
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return -1;
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}
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}
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break;
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case CLIENT_INITCONN_CLASS_ENC:
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eventlog(eventlog_level_info,__FUNCTION__,"[%d] client initiated encrypted connection (not supported)",conn_get_socket(c));
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return -1;
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default:
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] client requested unknown class 0x%02x (length %d) (closing connection)",conn_get_socket(c),(unsigned int)bn_byte_get(packet->u.client_initconn.class),packet_get_size(packet));
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return -1;
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}
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break;
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default:
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] unknown init packet type 0x%04x, len %u",conn_get_socket(c),packet_get_type(packet),packet_get_size(packet));
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return -1;
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}
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return 0;
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}
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