Beispiel #1
0
static int on_client_loginreq(t_connection * c, t_packet * packet)
{
	t_packet	* bnpacket;
	char const	* account;
	t_sq		* sq;
	unsigned int	sessionnum;

	if (!(account=packet_get_str_const(packet,sizeof(t_client_d2cs_loginreq),MAX_CHARNAME_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad account name");
		return -1;
	}
	if (d2char_check_acctname(account)<0) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad account name");
		return -1;
	}
	if (!bnetd_conn()) {
		eventlog(eventlog_level_warn,__FUNCTION__,"d2cs is offline with bnetd, login request will be rejected");
		return -1;
	}
	sessionnum=bn_int_get(packet->u.client_d2cs_loginreq.sessionnum);
	conn_set_bnetd_sessionnum(c,sessionnum);
	eventlog(eventlog_level_info,__FUNCTION__,"got client (*%s) login request sessionnum=0x%X",account,sessionnum);
	if ((bnpacket=packet_create(packet_class_d2cs_bnetd))) {
		if ((sq=sq_create(d2cs_conn_get_sessionnum(c),packet,0))) {
			packet_set_size(bnpacket,sizeof(t_d2cs_bnetd_accountloginreq));
			packet_set_type(bnpacket,D2CS_BNETD_ACCOUNTLOGINREQ);
			bn_int_set(&bnpacket->u.d2cs_bnetd_accountloginreq.h.seqno,sq_get_seqno(sq));
			bn_int_set(&bnpacket->u.d2cs_bnetd_accountloginreq.seqno,
				bn_int_get(packet->u.client_d2cs_loginreq.seqno));
			bn_int_set(&bnpacket->u.d2cs_bnetd_accountloginreq.sessionkey,
				bn_int_get(packet->u.client_d2cs_loginreq.sessionkey));
			bn_int_set(&bnpacket->u.d2cs_bnetd_accountloginreq.sessionnum,sessionnum);
			memcpy(bnpacket->u.d2cs_bnetd_accountloginreq.secret_hash,
				packet->u.client_d2cs_loginreq.secret_hash,
				sizeof(bnpacket->u.d2cs_bnetd_accountloginreq.secret_hash));
			packet_append_string(bnpacket,account);
			conn_push_outqueue(bnetd_conn(),bnpacket);
		}
		packet_del_ref(bnpacket);
	}
	return 0;
}
static int on_client_joingamereq(t_connection * c, t_packet * packet)
{
	char const	* gamename;
	char const	* gamepass;
	char const	* charname;
	char const	* account;
	t_game		* game;
	t_d2gs		* gs;
	int		reply;
	unsigned int	pos;
	unsigned int	seqno;

	gs = NULL;
	pos=sizeof(t_client_d2cs_joingamereq);
	if (!(gamename=packet_get_str_const(packet,pos,MAX_GAMENAME_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad game name");
		return -1;
	}
	pos+=std::strlen(gamename)+1;
	if (!(gamepass=packet_get_str_const(packet,pos,MAX_GAMEPASS_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad game pass");
		return -1;
	}
	if (!(charname=d2cs_conn_get_charname(c))) {
		eventlog(eventlog_level_error,__FUNCTION__,"missing character name for connection");
		return -1;
	}
	if (!(account=d2cs_conn_get_account(c))) {
		eventlog(eventlog_level_error,__FUNCTION__,"missing account for connection");
		return -1;
	}
	if (conn_check_multilogin(c,charname)<0) {
		eventlog(eventlog_level_error,__FUNCTION__,"character %s is already logged in",charname);
		return -1;
	}
	if (!(game=d2cs_gamelist_find_game(gamename))) {
		eventlog(eventlog_level_info,__FUNCTION__,"game %s not found",gamename);
		reply=D2CS_CLIENT_JOINGAMEREPLY_NOT_EXIST;
	} else if (!(gs=game_get_d2gs(game))) {
		eventlog(eventlog_level_error,__FUNCTION__,"missing game server for game %s",gamename);
		reply=D2CS_CLIENT_JOINGAMEREPLY_NOT_EXIST;
	} else {
		reply=d2cs_try_joingame(c,game,gamepass);
	}

	seqno=bn_short_get(packet->u.client_d2cs_joingamereq.seqno);
	if (reply!=D2CS_CLIENT_JOINGAMEREPLY_SUCCEED) {
		t_packet	* rpacket;

		if ((rpacket=packet_create(packet_class_d2cs))) {
			packet_set_size(rpacket,sizeof(t_d2cs_client_joingamereply));
			packet_set_type(rpacket,D2CS_CLIENT_JOINGAMEREPLY);
			bn_short_set(&rpacket->u.d2cs_client_joingamereply.seqno,seqno);
			bn_short_set(&rpacket->u.d2cs_client_joingamereply.u1,0);
			bn_short_set(&rpacket->u.d2cs_client_joingamereply.gameid,0);
			bn_int_set(&rpacket->u.d2cs_client_joingamereply.addr,0);
			bn_int_set(&rpacket->u.d2cs_client_joingamereply.token,0);
			bn_int_set(&rpacket->u.d2cs_client_joingamereply.reply,reply);
			conn_push_outqueue(c,rpacket);
			packet_del_ref(rpacket);
		}
	} else {
		t_packet	* gspacket;
		t_sq		* sq;
		struct in_addr	addr;

		if ((gspacket=packet_create(packet_class_d2gs))) {
			if ((sq=sq_create(d2cs_conn_get_sessionnum(c),packet,d2cs_game_get_id(game)))) {
				packet_set_size(gspacket,sizeof(t_d2cs_d2gs_joingamereq));
				packet_set_type(gspacket,D2CS_D2GS_JOINGAMEREQ);
				bn_int_set(&gspacket->u.d2cs_d2gs_joingamereq.h.seqno,sq_get_seqno(sq));
				bn_int_set(&gspacket->u.d2cs_d2gs_joingamereq.gameid,
					game_get_d2gs_gameid(game));
				sq_set_gametoken(sq,d2gs_make_token(gs));
				bn_int_set(&gspacket->u.d2cs_d2gs_joingamereq.token,sq_get_gametoken(sq));
				packet_append_string(gspacket,charname);
				packet_append_string(gspacket,account);
				addr.s_addr = htonl(d2cs_conn_get_addr(c));
				packet_append_string(gspacket,inet_ntoa(addr));
				conn_push_outqueue(d2gs_get_connection(gs),gspacket);
			}
			packet_del_ref(gspacket);
			eventlog(eventlog_level_info,__FUNCTION__,"request join game %s for character %s on gs %d",gamename,
				charname,d2gs_get_id(gs));
		}
	}
	return 0;
}
static int on_client_creategamereq(t_connection * c, t_packet * packet)
{
	char const	* gamename;
	char const	* gamepass;
	char const	* gamedesc;
	t_game		* game;
	t_d2gs		* gs;
	t_gq		* gq;
	unsigned int	tempflag,gameflag;
	unsigned int	leveldiff, maxchar, difficulty, expansion, hardcore, ladder;
	unsigned int	seqno, reply;
	unsigned int	pos;
	t_elem		* elem;

	pos=sizeof(t_client_d2cs_creategamereq);
	if (!(gamename=packet_get_str_const(packet,pos,MAX_GAMENAME_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad game name");
		return -1;
	}
	pos+=std::strlen(gamename)+1;
	if (!(gamepass=packet_get_str_const(packet,pos,MAX_GAMEPASS_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad game pass");
		return -1;
	}
	pos+=std::strlen(gamepass)+1;
	if (!(gamedesc=packet_get_str_const(packet,pos,MAX_GAMEDESC_LEN))) {
		eventlog(eventlog_level_error,__FUNCTION__,"got bad game desc");
		return -1;
	}
	tempflag=bn_int_get(packet->u.client_d2cs_creategamereq.gameflag);
	leveldiff=bn_byte_get(packet->u.client_d2cs_creategamereq.leveldiff);
	maxchar=bn_byte_get(packet->u.client_d2cs_creategamereq.maxchar);
	difficulty=gameflag_get_difficulty(tempflag);
	if (difficulty > conn_get_charinfo_difficulty(c)) {
		eventlog(eventlog_level_error,__FUNCTION__,"game difficulty exceed character limit %d %d",difficulty,
			conn_get_charinfo_difficulty(c));
		return 0;
	}
	expansion=conn_get_charinfo_expansion(c);
	hardcore=conn_get_charinfo_hardcore(c);
	ladder=conn_get_charinfo_ladder(c);
	gameflag=gameflag_create(ladder,expansion,hardcore,difficulty);

	gs = NULL;
	game = NULL;
	gq=conn_get_gamequeue(c);
	if (d2cs_gamelist_find_game(gamename)) {
		eventlog(eventlog_level_info,__FUNCTION__,"game name %s is already exist in gamelist",gamename);
		reply=D2CS_CLIENT_CREATEGAMEREPLY_NAME_EXIST;
	} else if (!gq && gqlist_find_game(gamename)) {
		eventlog(eventlog_level_info,__FUNCTION__,"game name %s is already exist in game queue",gamename);
		reply=D2CS_CLIENT_CREATEGAMEREPLY_NAME_EXIST;
	} else if (!(gs=d2gslist_choose_server())) {
		if (gq) {
			eventlog(eventlog_level_error,__FUNCTION__,"client %d is already in game queue",d2cs_conn_get_sessionnum(c));
			conn_set_gamequeue(c,NULL);
			gq_destroy(gq,&elem);
			return 0;
		} else if ((gq=gq_create(d2cs_conn_get_sessionnum(c), packet, gamename))) {
			conn_set_gamequeue(c,gq);
			d2cs_send_client_creategamewait(c,gqlist_get_length());
			return 0;
		}
		reply=D2CS_CLIENT_CREATEGAMEREPLY_FAILED;
	} else if (hardcore && conn_get_charinfo_dead(c)) {
		reply=D2CS_CLIENT_CREATEGAMEREPLY_FAILED;
	} else if (!(game=d2cs_game_create(gamename,gamepass,gamedesc,gameflag))) {
		reply=D2CS_CLIENT_CREATEGAMEREPLY_NAME_EXIST;
	} else {
		reply=D2CS_CLIENT_CREATEGAMEREPLY_SUCCEED;
		game_set_d2gs(game,gs);
		d2gs_add_gamenum(gs, 1);
		game_set_gameflag_ladder(game,ladder);
		game_set_gameflag_expansion(game,expansion);
		game_set_created(game,0);
		game_set_leveldiff(game,leveldiff);
		game_set_charlevel(game,conn_get_charinfo_level(c));
		game_set_maxchar(game,maxchar);
		game_set_gameflag_difficulty(game,difficulty);
		game_set_gameflag_hardcore(game,hardcore);
	}

	seqno=bn_short_get(packet->u.client_d2cs_creategamereq.seqno);
	if (reply!=D2CS_CLIENT_CREATEGAMEREPLY_SUCCEED) {
		t_packet	* rpacket;

		if ((rpacket=packet_create(packet_class_d2cs))) {
			packet_set_size(rpacket,sizeof(t_d2cs_client_creategamereply));
			packet_set_type(rpacket,D2CS_CLIENT_CREATEGAMEREPLY);
			bn_short_set(&rpacket->u.d2cs_client_creategamereply.seqno,seqno);
			bn_short_set(&rpacket->u.d2cs_client_creategamereply.u1,0);
			bn_short_set(&rpacket->u.d2cs_client_creategamereply.gameid,0);
			bn_int_set(&rpacket->u.d2cs_client_creategamereply.reply,reply);
			conn_push_outqueue(c,rpacket);
			packet_del_ref(rpacket);
		}
	} else {
		t_packet	* gspacket;
		t_sq		* sq;
		struct in_addr	addr;

		if ((gspacket=packet_create(packet_class_d2gs))) {
			if ((sq=sq_create(d2cs_conn_get_sessionnum(c),packet,d2cs_game_get_id(game)))) {
				packet_set_size(gspacket,sizeof(t_d2cs_d2gs_creategamereq));
				packet_set_type(gspacket,D2CS_D2GS_CREATEGAMEREQ);
				bn_int_set(&gspacket->u.d2cs_d2gs_creategamereq.h.seqno,sq_get_seqno(sq));
				bn_byte_set(&gspacket->u.d2cs_d2gs_creategamereq.difficulty,difficulty);
				bn_byte_set(&gspacket->u.d2cs_d2gs_creategamereq.hardcore,hardcore);
				bn_byte_set(&gspacket->u.d2cs_d2gs_creategamereq.expansion,expansion);
				bn_byte_set(&gspacket->u.d2cs_d2gs_creategamereq.ladder,ladder);
				packet_append_string(gspacket,gamename);
				packet_append_string(gspacket,gamepass);
				packet_append_string(gspacket,gamedesc);
				packet_append_string(gspacket,d2cs_conn_get_account(c));
				packet_append_string(gspacket,d2cs_conn_get_charname(c));
				addr.s_addr = htonl(d2cs_conn_get_addr(c));
				packet_append_string(gspacket,inet_ntoa(addr));
				conn_push_outqueue(d2gs_get_connection(gs),gspacket);
			}
			packet_del_ref(gspacket);
			eventlog(eventlog_level_info,__FUNCTION__,"request create game %s on gs %d",gamename,d2gs_get_id(gs));
		}
	}
	return 0;
}