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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include "../common/db.h"
#include "../common/mmo.h"
#include "../common/socket.h"
#include "../common/timer.h"
#include "../common/malloc.h"
#include "../common/lock.h"
#include "../common/showmsg.h"

#include "char.h"
#include "inter.h"
#include "int_party.h"
#include "int_guild.h"
#include "int_status.h"
#include "int_storage.h"
#include "int_pet.h"
#include "int_homun.h"

#define WISDATA_TTL (60*1000)	// Existence time of Wisp/page data (60 seconds)
                             	// that is the waiting time of answers of all map-servers
#define WISDELLIST_MAX 256   	// Number of elements of Wisp/page data deletion list

char accreg_txt[1024] = "save/accreg.txt";
#ifndef TXT_SQL_CONVERT
char inter_log_filename[1024] = "log/inter.log";
char main_chat_nick[16] = "Main";

static struct dbt *accreg_db = NULL;

unsigned int party_share_level = 10;

// sending packet list
// NOTE: This variable ain't used at all! And it's confusing.. where do I add that the length of packet 0x2b07 is 10? x.x [Skotlex]
int inter_send_packet_length[]={
	-1,-1,27,-1, -1, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3000-0x300f
	-1, 7, 0, 0,  0, 0, 0, 0, -1,11, 0, 0,  0, 0,  0, 0,
	35,-1,11,15, 34,29, 7,-1,  0, 0, 0, 0,  0, 0,  0, 0,
	10,-1,15, 0, 79,19, 7,-1,  0,-1,-1,-1, 14,67,186,-1,
	 9, 9,-1, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	11,-1, 7, 3, 36, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
};
// recv. packet list
int inter_recv_packet_length[]={
	-1,-1, 7,-1, -1,13,36, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3000-0x300f
	 6,-1, 0, 0,  0, 0, 0, 0, 10,-1, 0, 0,  0, 0,  0, 0, //0x3010-0x301f
	-1, 6,-1,14, 14,19, 6,-1, 14,14, 0, 0,  0, 0,  0, 0, //0x3020-0x302f
	-1, 6,-1,-1, 55,19, 6,-1, 14,-1,-1,-1, 14,19,186,-1, //0x3030-0x303f
	 5, 9, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0,
	48,14,-1, 6,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0,  0, 0, //0x3080-0x308f
	-1,10,-1, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x3090 - 0x309f  Homunculus packets [albator]
};

struct WisData {
	int id, fd, count, len;
	unsigned long tick;
	unsigned char src[24], dst[24], msg[1024];
};
static struct dbt * wis_db = NULL;
static int wis_dellist[WISDELLIST_MAX], wis_delnum;


//--------------------------------------------------------

// �A�J�E���g�ϐ��𕶎���֕ϊ�
int inter_accreg_tostr(char *str, struct accreg *reg) {
	int j;
	char *p = str;

	p += sprintf(p, "%d\t", reg->account_id);
	for(j = 0; j < reg->reg_num; j++) {
		p += sprintf(p,"%s,%s ", reg->reg[j].str, reg->reg[j].value);
	}

	return 0;
}
#endif //TXT_SQL_CONVERT
// �A�J�E���g�ϐ��𕶎��񂩂�ϊ�
int inter_accreg_fromstr(const char *str, struct accreg *reg) {
	int j, n;
	const char *p = str;

	if (sscanf(p, "%d\t%n", &reg->account_id, &n ) != 1 || reg->account_id <= 0)
		return 1;

	for(j = 0, p += n; j < ACCOUNT_REG_NUM; j++, p += n) {
		if (sscanf(p, "%[^,],%[^ ] %n", reg->reg[j].str, reg->reg[j].value, &n) != 2) 
			break;
	}
	reg->reg_num = j;

	return 0;
}
#ifndef TXT_SQL_CONVERT
// �A�J�E���g�ϐ��̓ǂݍ���
int inter_accreg_init(void) {
	char line[8192];
	FILE *fp;
	int c = 0;
	struct accreg *reg;

	accreg_db = db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));

	if( (fp = fopen(accreg_txt, "r")) == NULL)
		return 1;
	while(fgets(line, sizeof(line)-1, fp)){
		line[sizeof(line)-1] = '\0';

		reg = (struct accreg*)aCalloc(sizeof(struct accreg), 1);
		if (reg == NULL) {
			ShowFatalError("inter: accreg: out of memory!\n");
			exit(0);
		}
		if (inter_accreg_fromstr(line, reg) == 0 && reg->account_id > 0) {
			idb_put(accreg_db, reg->account_id, reg);
		} else {
			ShowError("inter: accreg: broken data [%s] line %d\n", accreg_txt, c);
			aFree(reg);
		}
		c++;
	}
	fclose(fp);
//	printf("inter: %s read done (%d)\n", accreg_txt, c);

	return 0;
}

// �A�J�E���g�ϐ��̃Z�[�u�p
int inter_accreg_save_sub(DBKey key, void *data, va_list ap) {
	char line[8192];
	FILE *fp;
	struct accreg *reg = (struct accreg *)data;

	if (reg->reg_num > 0) {
		inter_accreg_tostr(line,reg);
		fp = va_arg(ap, FILE *);
		fprintf(fp, "%s" RETCODE, line);
	}

	return 0;
}

// �A�J�E���g�ϐ��̃Z�[�u
int inter_accreg_save(void) {
	FILE *fp;
	int lock;

	if ((fp = lock_fopen(accreg_txt,&lock)) == NULL) {
		ShowError("int_accreg: can't write [%s] !!! data is lost !!!\n", accreg_txt);
		return 1;
	}
	accreg_db->foreach(accreg_db, inter_accreg_save_sub,fp);
	lock_fclose(fp, accreg_txt, &lock);
//	printf("inter: %s saved.\n", accreg_txt);

	return 0;
}

//--------------------------------------------------------
#endif //TXT_SQL_CONVERT
/*==========================================
 * �ݒ�t�@�C����ǂݍ���
 *------------------------------------------*/
static int inter_config_read(const char *cfgName) {
	char line[1024], w1[1024], w2[1024];
	FILE *fp;

	fp = fopen(cfgName, "r");
	if (fp == NULL) {
		ShowError("file not found: %s\n", cfgName);
		return 1;
	}
	while(fgets(line, sizeof(line) - 1, fp)) {
		if (line[0] == '/' && line[1] == '/')
			continue;
		line[sizeof(line)-1] = '\0';

		if (sscanf(line,"%[^:]: %[^\r\n]", w1, w2) != 2)
			continue;

		if (strcmpi(w1, "storage_txt") == 0) {
			strncpy(storage_txt, w2, sizeof(storage_txt));
		} else if (strcmpi(w1, "party_txt") == 0) {
			strncpy(party_txt, w2, sizeof(party_txt));
		} else if (strcmpi(w1, "pet_txt") == 0) {
			strncpy(pet_txt, w2, sizeof(pet_txt));
		} else if (strcmpi(w1, "accreg_txt") == 0) {
			strncpy(accreg_txt, w2, sizeof(accreg_txt));
		} else if (strcmpi(w1, "guild_txt") == 0) {
			strncpy(guild_txt, w2, sizeof(guild_txt));
		} else if (strcmpi(w1, "castle_txt") == 0) {
			strncpy(castle_txt, w2, sizeof(castle_txt));
		} else if (strcmpi(w1, "guild_storage_txt") == 0) {
			strncpy(guild_storage_txt, w2, sizeof(guild_storage_txt));
#ifndef TXT_SQL_CONVERT
		} else if (strcmpi(w1, "homun_txt") == 0) {
			strncpy(homun_txt, w2, sizeof(homun_txt));
		} else if (strcmpi(w1, "party_share_level") == 0) {
			party_share_level = (unsigned int)atof(w2);
		} else if (strcmpi(w1, "inter_log_filename") == 0) {
			strncpy(inter_log_filename, w2, sizeof(inter_log_filename));
		} else if(strcmpi(w1,"log_inter")==0) {
			log_inter = atoi(w2);
		} else if(strcmpi(w1, "main_chat_nick")==0){	// Main chat nick [LuzZza]
			strcpy(main_chat_nick, w2);
#endif //TXT_SQL_CONVERT
		} else if (strcmpi(w1, "import") == 0) {
			inter_config_read(w2);
		}
	}
	fclose(fp);

	return 0;
}
#ifndef TXT_SQL_CONVERT
// ���O�����o��
int inter_log(char *fmt,...) {
	FILE *logfp;
	va_list ap;

	va_start(ap,fmt);
	logfp = fopen(inter_log_filename, "a");
	if (logfp) {
		vfprintf(logfp, fmt, ap);
		fclose(logfp);
	}
	va_end(ap);

	return 0;
}

// �Z�[�u
int inter_save(void) {
#ifdef ENABLE_SC_SAVING
	inter_status_save();
#endif
	inter_party_save();
	inter_guild_save();
	inter_storage_save();
	inter_guild_storage_save();
	inter_pet_save();
	inter_homun_save();
	inter_accreg_save();

	return 0;
}
#endif //TXT_SQL_CONVERT
// ������
int inter_init_txt(const char *file) {
	inter_config_read(file);

#ifndef TXT_SQL_CONVERT
	wis_db = db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));

	inter_party_init();
	inter_guild_init();
	inter_storage_init();
	inter_pet_init();
	inter_homun_init();
	inter_accreg_init();
#endif //TXT_SQL_CONVERT
	return 0;
}
#ifndef TXT_SQL_CONVERT
// finalize
void inter_final(void) {
	accreg_db->destroy(accreg_db, NULL);
	wis_db->destroy(wis_db, NULL);

	inter_party_final();
	inter_guild_final();
	inter_storage_final();
	inter_pet_final();
	inter_homun_final();

	return;
}

// �}�b�v�T�[�o�[�ڑ�
int inter_mapif_init(int fd) {
	inter_guild_mapif_init(fd);

	return 0;
}

//--------------------------------------------------------
// sended packets to map-server

//Sends the current max account/char id to map server [Skotlex]
void mapif_send_maxid(int account_id, int char_id)
{
	unsigned char buf[12];

	WBUFW(buf,0) = 0x2b07;
	WBUFL(buf,2) = account_id;
	WBUFL(buf,6) = char_id;
	mapif_sendall(buf, 10);
}

// GM���b�Z�[�W���M
int mapif_GMmessage(unsigned char *mes, int len, unsigned long color, int sfd) {
	unsigned char buf[2048];

	if (len > 2048) len = 2047; //Make it fit to avoid crashes. [Skotlex]
	WBUFW(buf,0) = 0x3800;
	WBUFW(buf,2) = len;
	WBUFL(buf,4) = color;
	memcpy(WBUFP(buf,8), mes, len - 8);
	mapif_sendallwos(sfd, buf, len);
//	printf("inter server: GM:%d %s\n", len, mes);

	return 0;
}

// Wisp/page transmission to one map-server
int mapif_wis_message2(struct WisData *wd, int fd) {
	WFIFOHEAD(fd, 56+wd->len);
	WFIFOW(fd, 0) = 0x3801;
	WFIFOW(fd, 2) = 56 + wd->len;
	WFIFOL(fd, 4) = wd->id;
	memcpy(WFIFOP(fd, 8), wd->src, NAME_LENGTH);
	memcpy(WFIFOP(fd,32), wd->dst, NAME_LENGTH);
	memcpy(WFIFOP(fd,56), wd->msg, wd->len);
	wd->count = 1;
	WFIFOSET(fd,WFIFOW(fd,2));
	return 1;
}

// Wisp/page transmission to all map-server
int mapif_wis_message(struct WisData *wd) {
	unsigned char buf[2048];
	if (wd->len > 2047-56) wd->len = 2047-56; //Force it to fit to avoid crashes. [Skotlex]

	WBUFW(buf, 0) = 0x3801;
	WBUFW(buf, 2) = 56 + wd->len;
	WBUFL(buf, 4) = wd->id;
	memcpy(WBUFP(buf, 8), wd->src, NAME_LENGTH);
	memcpy(WBUFP(buf,32), wd->dst, NAME_LENGTH);
	memcpy(WBUFP(buf,56), wd->msg, wd->len);
	wd->count = mapif_sendall(buf, WBUFW(buf,2));

	return 0;
}

int mapif_wis_fail(int fd, char *src) {
	unsigned char buf[27];
	WBUFW(buf, 0) = 0x3802;
	memcpy(WBUFP(buf, 2), src, NAME_LENGTH);
	WBUFB(buf,26) = 1; // flag: 0: success to send wisper, 1: target character is not loged in?, 2: ignored by target
	mapif_send(fd, buf, 27);
	return 0;

}

// Wisp/page transmission result to map-server
int mapif_wis_end(struct WisData *wd, int flag) {
	unsigned char buf[27];

	WBUFW(buf, 0) = 0x3802;
	memcpy(WBUFP(buf, 2), wd->src, 24);
	WBUFB(buf,26) = flag; // flag: 0: success to send wisper, 1: target character is not loged in?, 2: ignored by target
	mapif_send(wd->fd, buf, 27);
//	printf("inter server wis_end: flag: %d\n", flag);

	return 0;
}

// �A�J�E���g�ϐ����M
int mapif_account_reg(int fd, unsigned char *src) {
	unsigned char *buf = aCalloc(1,WBUFW(src,2));

	memcpy(WBUFP(buf,0),src,WBUFW(src,2));
	WBUFW(buf, 0) = 0x3804;
	mapif_sendallwos(fd, buf, WBUFW(buf,2));

	aFree(buf);

	return 0;
}

// �A�J�E���g�ϐ��v���ԐM
int mapif_account_reg_reply(int fd,int account_id, int char_id) {
	struct accreg *reg = idb_get(accreg_db,account_id);

	WFIFOHEAD(fd, ACCOUNT_REG_NUM * 288+ 13);
	WFIFOW(fd,0) = 0x3804;
	WFIFOL(fd,4) = account_id;
	WFIFOL(fd,8) = char_id;
	WFIFOB(fd,12) = 2; //Acc Reg
	if (reg == NULL) {
		WFIFOW(fd,2) = 13;
	} else {
		int i, p;
		for (p=13,i = 0; i < reg->reg_num; i++) {
			p+= sprintf(WFIFOP(fd,p), "%s", reg->reg[i].str)+1; //We add 1 to consider the '\0' in place.
			p+= sprintf(WFIFOP(fd,p), "%s", reg->reg[i].value)+1;
		}
		WFIFOW(fd,2)=p;
	}
	WFIFOSET(fd,WFIFOW(fd,2));
	return 0;
}

//Request to kick char from a certain map server. [Skotlex]
int mapif_disconnectplayer(int fd, int account_id, int char_id, int reason)
{
	if (fd < 0)
		return -1;
	
	WFIFOHEAD(fd, 7);
	WFIFOW(fd,0) = 0x2b1f;
	WFIFOL(fd,2) = account_id;
	WFIFOB(fd,6) = reason;
	WFIFOSET(fd,7);
	
	return 0;
}

//--------------------------------------------------------

// Existence check of WISP data
int check_ttl_wisdata_sub(DBKey key, void *data, va_list ap) {
	unsigned long tick;
	struct WisData *wd = (struct WisData *)data;
	tick = va_arg(ap, unsigned long);

	if (DIFF_TICK(tick, wd->tick) > WISDATA_TTL && wis_delnum < WISDELLIST_MAX)
		wis_dellist[wis_delnum++] = wd->id;

	return 0;
}

int check_ttl_wisdata(void) {
	unsigned long tick = gettick();
	int i;

	do {
		wis_delnum = 0;
		wis_db->foreach(wis_db, check_ttl_wisdata_sub, tick);
		for(i = 0; i < wis_delnum; i++) {
			struct WisData *wd = idb_get(wis_db, wis_dellist[i]);
			ShowWarning("inter: wis data id=%d time out : from %s to %s\n", wd->id, wd->src, wd->dst);
			// removed. not send information after a timeout. Just no answer for the player
			//mapif_wis_end(wd, 1); // flag: 0: success to send wisper, 1: target character is not loged in?, 2: ignored by target
			idb_remove(wis_db, wd->id);
		}
	} while(wis_delnum >= WISDELLIST_MAX);

	return 0;
}

//--------------------------------------------------------
// received packets from map-server

// GM���b�Z�[�W���M
int mapif_parse_GMmessage(int fd) {
	RFIFOHEAD(fd);
	mapif_GMmessage(RFIFOP(fd,8), RFIFOW(fd,2), RFIFOL(fd,4), fd);

	return 0;
}

static struct WisData* mapif_create_whisper(int fd, char* src, char* dst, char* mes, int meslen)
{
	static int wisid = 0;
	struct WisData* wd = (struct WisData *)aCalloc(sizeof(struct WisData), 1);
	if (wd == NULL){
		ShowFatalError("inter: WisRequest: out of memory !\n");
		return NULL;
	}
	wd->id = ++wisid;
	wd->fd = fd;
	wd->len= meslen;
	memcpy(wd->src, src, NAME_LENGTH);
	memcpy(wd->dst, dst, NAME_LENGTH);
	memcpy(wd->msg, mes, meslen);
	wd->tick = gettick();
	return wd;
}

// Wisp/page request to send
int mapif_parse_WisRequest(int fd) {
	struct mmo_charstatus* char_status;
	struct WisData* wd;
	char name[NAME_LENGTH];
	int fd2;

	RFIFOHEAD(fd);

	if (RFIFOW(fd,2)-52 >= sizeof(wd->msg)) {
		ShowWarning("inter: Wis message size too long.\n");
		return 0;
	} else if (RFIFOW(fd,2)-52 <= 0) { // normaly, impossible, but who knows...
		ShowError("inter: Wis message doesn't exist.\n");
		return 0;
	}

	memcpy(name, RFIFOP(fd,28), NAME_LENGTH); //Received name may be too large and not contain \0! [Skotlex]
	name[NAME_LENGTH-1]= '\0';
	// search if character exists before to ask all map-servers
	char_status = search_character_byname(name);
	if (char_status == NULL)
		return mapif_wis_fail(fd, RFIFOP(fd, 4));

	// Character exists.
	// to be sure of the correct name, rewrite it
	memset(name, 0, NAME_LENGTH);
	strncpy(name, char_status->name, NAME_LENGTH);
	// if source is destination, don't ask other servers.
	if (strcmp((char*)RFIFOP(fd,4),name) == 0)
		return mapif_wis_fail(fd, RFIFOP(fd, 4));

	//Look for online character.
	fd2 = search_character_online(char_status->account_id, char_status->char_id);
	if (fd2 >= 0) {	//Character online, send whisper.
		wd = mapif_create_whisper(fd, RFIFOP(fd, 4), RFIFOP(fd,28), RFIFOP(fd,52), RFIFOW(fd,2)-52);
		if (!wd) return 1;
		idb_put(wis_db, wd->id, wd);
		mapif_wis_message2(wd, fd2);
		return 0;
	}
	//Not found.
	return mapif_wis_fail(fd, RFIFOP(fd, 4));
}

// Wisp/page transmission result
int mapif_parse_WisReply(int fd) {
	int id, flag;
	struct WisData *wd;
	RFIFOHEAD(fd);
	id = RFIFOL(fd,2);
	flag = RFIFOB(fd,6);
	wd = idb_get(wis_db, id);

	if (wd == NULL)
		return 0;	// This wisp was probably suppress before, because it was timeout or because of target was found on another map-server

	if ((--wd->count) <= 0 || flag != 1) {
		mapif_wis_end(wd, flag); // flag: 0: success to send wisper, 1: target character is not loged in?, 2: ignored by target
		idb_remove(wis_db, id);
	}

	return 0;
}

// Received wisp message from map-server for ALL gm (just copy the message and resends it to ALL map-servers)
int mapif_parse_WisToGM(int fd) {
	unsigned char buf[2048]; // 0x3003/0x3803 <packet_len>.w <wispname>.24B <min_gm_level>.w <message>.?B
	RFIFOHEAD(fd);
	memcpy(WBUFP(buf,0), RFIFOP(fd,0), RFIFOW(fd,2));
	WBUFW(buf, 0) = 0x3803;
	mapif_sendall(buf, RFIFOW(fd,2));

	return 0;
}

static void* create_accreg(DBKey key, va_list args) {
	struct accreg *reg;
	reg = (struct accreg*)aCalloc(sizeof(struct accreg), 1);
	reg->account_id = key.i;
	return reg;
}

// �A�J�E���g�ϐ��ۑ��v��
int mapif_parse_Registry(int fd) {
	int j, p, len;
	struct accreg *reg;
	RFIFOHEAD(fd);

	switch (RFIFOB(fd,12)) {
		case 3: //Character registry
			return char_parse_Registry(RFIFOL(fd,4), RFIFOL(fd,8), RFIFOP(fd,13), RFIFOW(fd,2)-13);
		case 2: //Acc Reg
			break;
		case 1: //Acc Reg2, forward to login
			return save_accreg2(RFIFOP(fd,4), RFIFOW(fd,2)-4);
		default: //Error?
			return 1; 
	}
	reg = idb_ensure(accreg_db, RFIFOL(fd,4), create_accreg);

	for(j=0,p=13;j<ACCOUNT_REG_NUM && p<RFIFOW(fd,2);j++){
		sscanf(RFIFOP(fd,p), "%31c%n",reg->reg[j].str,&len);
		reg->reg[j].str[len]='\0';
		p +=len+1; //+1 to skip the '\0' between strings.
		sscanf(RFIFOP(fd,p), "%255c%n",reg->reg[j].value,&len);
		reg->reg[j].value[len]='\0';
		p +=len+1;
	}
	reg->reg_num=j;
	mapif_account_reg(fd, RFIFOP(fd,0));	// ����MAP�T�[�o�[�ɑ��M

	return 0;
}

// Request the value of all registries.
int mapif_parse_RegistryRequest(int fd)
{	
	RFIFOHEAD(fd);
	//Load Char Registry
	if (RFIFOB(fd,12))
		char_account_reg_reply(fd,RFIFOL(fd,2),RFIFOL(fd,6));
	//Load Account Registry
	if (RFIFOB(fd,11))
		mapif_account_reg_reply(fd,RFIFOL(fd,2),RFIFOL(fd,6));
	//Ask Login Server for Account2 values.
	if (RFIFOB(fd,10))
		request_accreg2(RFIFOL(fd,2),RFIFOL(fd,6)-2);
	return 1;
}

static void mapif_namechange_ack(int fd, int account_id, int char_id, int type, int flag, char *name){
	WFIFOHEAD(fd, NAME_LENGTH+13);
	WFIFOW(fd, 0) =0x3806;
	WFIFOL(fd, 2) =account_id;
	WFIFOL(fd, 6) =char_id;
	WFIFOB(fd,10) =type;
	WFIFOB(fd,11) =flag;
	memcpy(WFIFOP(fd, 12), name, NAME_LENGTH);
	WFIFOSET(fd, NAME_LENGTH+13);
}

int mapif_parse_NameChangeRequest(int fd)
{
	int account_id, char_id, type;
	char* name;
	int i;

	RFIFOHEAD(fd);
	account_id = RFIFOL(fd, 2);
	char_id = RFIFOL(fd, 6);
	type = RFIFOB(fd, 10);
	name = RFIFOP(fd, 11);

	// Check Authorised letters/symbols in the name
	if (char_name_option == 1) { // only letters/symbols in char_name_letters are authorised
		for (i = 0; i < NAME_LENGTH && name[i]; i++)
		if (strchr(char_name_letters, name[i]) == NULL) {
			mapif_namechange_ack(fd, account_id, char_id, type, 0, name);
			return 0;
		}
	} else if (char_name_option == 2) { // letters/symbols in char_name_letters are forbidden
		for (i = 0; i < NAME_LENGTH && name[i]; i++)
		if (strchr(char_name_letters, name[i]) != NULL) {
			mapif_namechange_ack(fd, account_id, char_id, type, 0, name);
			return 0;
		}
	}
	//TODO: type holds the type of object to rename.
	//If it were a player, it needs to have the guild information and db information
	//updated here, because changing it on the map won't make it be saved [Skotlex]

	//name allowed.
	mapif_namechange_ack(fd, account_id, char_id, type, 1, name);
	return 0;
}

//--------------------------------------------------------

// map server ����̒ʐM�i�P�p�P�b�g�̂݉�͂��邱�Ɓj
// �G���[�Ȃ�0(false)�A�����ł����Ȃ�1�A
// �p�P�b�g��������Ȃ����2���������Ȃ���΂Ȃ�Ȃ�
int inter_parse_frommap(int fd) {
	int cmd, len;
	RFIFOHEAD(fd);
	cmd = RFIFOW(fd,0);
	len = 0;

	// inter�I�NJ����𒲂ׂ�
	if (cmd < 0x3000 || cmd >= 0x3000 + (sizeof(inter_recv_packet_length) / sizeof(inter_recv_packet_length[0])))
		return 0;
	
	if (inter_recv_packet_length[cmd-0x3000] == 0) //This is necessary, because otherwise we return 2 and the char server will just hang waiting for packets! [Skotlex]
		return 0;

	// �p�P�b�g���𒲂ׂ�
	if ((len = inter_check_length(fd, inter_recv_packet_length[cmd - 0x3000])) == 0)
		return 2;

	switch(cmd) {
	case 0x3000: mapif_parse_GMmessage(fd); break;
	case 0x3001: mapif_parse_WisRequest(fd); break;
	case 0x3002: mapif_parse_WisReply(fd); break;
	case 0x3003: mapif_parse_WisToGM(fd); break;
	case 0x3004: mapif_parse_Registry(fd); break;
	case 0x3005: mapif_parse_RegistryRequest(fd); break;
	case 0x3006: mapif_parse_NameChangeRequest(fd); break;
	default:
		if (inter_party_parse_frommap(fd))
			break;
		if (inter_guild_parse_frommap(fd))
			break;
		if (inter_storage_parse_frommap(fd))
			break;
		if (inter_pet_parse_frommap(fd))
			break;
		if (inter_homun_parse_frommap(fd))
			break;
		return 0;
	}
	RFIFOSKIP(fd, len);
	return 1;
}

// RFIFO�̃p�P�b�g���m�F
// �K�v�p�P�b�g��������΃p�P�b�g���A�܂�����Ȃ����0
int inter_check_length(int fd, int length) {
	if (length == -1) {	// �•σp�P�b�g��
		RFIFOHEAD(fd);
		if (RFIFOREST(fd) < 4)	// �p�P�b�g��������
			return 0;
		length = RFIFOW(fd,2);
	}

	if ((int)RFIFOREST(fd) < length)	// �p�P�b�g������
		return 0;

	return length;
}
#endif //TXT_SQL_CONVERT