Preparations for the login server TXT/SQL merge

- copied the sql login server code to /src/login
- merged the login server header files
- moved the account savefile name config setting to inter_athena.conf and renamed it to match the other settings

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@12478 54d463be-8e91-2dee-dedb-b68131a5f0ec

1 files changed, 2360 insertions, 0 deletions

diff --git a/src/login/login_txt.c b/src/login/login_txt.c
new file mode 100644
index 000000000..521ad79d5
--- /dev/null
+++ b/src/login/login_txt.c
@@ -0,0 +1,2360 @@
+// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
+// For more information, see LICENCE in the main folder
+
+#include "../common/cbasetypes.h"
+#include "../common/mmo.h"
+#include "../common/core.h"
+#include "../common/socket.h"
+#include "../common/db.h"
+#include "../common/timer.h"
+#include "../common/malloc.h"
+#include "../common/strlib.h"
+#include "../common/showmsg.h"
+#include "../common/version.h"
+#include "../common/md5calc.h"
+#include "../common/lock.h"
+#include "login.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h> // for stat/lstat/fstat
+
+struct Login_Config login_config;
+
+int login_fd; // login server socket
+#define MAX_SERVERS 30
+struct mmo_char_server server[MAX_SERVERS]; // char server data
+
+#define sex_num2str(num) ( (num ==  0  ) ? 'F' : (num ==  1  ) ? 'M' : 'S' )
+#define sex_str2num(str) ( (str == 'F' ) ?  0  : (str == 'M' ) ?  1  :  2  )
+
+// Advanced subnet check [LuzZza]
+struct s_subnet {
+	uint32 mask;
+	uint32 char_ip;
+	uint32 map_ip;
+} subnet[16];
+
+int subnet_count = 0;
+
+// GM account management
+struct gm_account* gm_account_db = NULL;
+unsigned int GM_num = 0; // number of gm accounts
+char GM_account_filename[1024] = "conf/GM_account.txt";
+long creation_time_GM_account_file; // tracks the last-changed timestamp of the gm accounts file
+int gm_account_filename_check_timer = 15; // Timer to check if GM_account file has been changed and reload GM account automaticaly (in seconds; default: 15)
+
+//Account registration flood protection [Kevin]
+int allowed_regs = 1;
+int time_allowed = 10; //in seconds
+unsigned int new_reg_tick = 0;
+
+
+// data handling (TXT)
+char account_txt[1024] = "save/account.txt";
+
+// account database
+struct mmo_account* auth_dat = NULL;
+unsigned int auth_num = 0, auth_max = 0;
+
+int account_id_count = START_ACCOUNT_NUM;
+
+// define the number of times that some players must authentify them before to save account file.
+// it's just about normal authentication. If an account is created or modified, save is immediatly done.
+// An authentication just change last connected IP and date. It already save in log file.
+// set minimum auth change before save:
+#define AUTH_BEFORE_SAVE_FILE 10
+// set divider of auth_num to found number of change before save
+#define AUTH_SAVE_FILE_DIVIDER 50
+int auth_before_save_file = 0; // Counter. First save when 1st char-server do connection.
+
+
+// ladmin configuration
+bool admin_state = false;
+char admin_pass[24] = "";
+uint32 admin_allowed_ip = 0;
+
+int parse_admin(int fd);
+
+
+//-----------------------------------------------------
+// Auth database
+//-----------------------------------------------------
+#define AUTH_TIMEOUT 30000
+
+struct auth_node {
+	int account_id;
+	uint32 login_id1;
+	uint32 login_id2;
+	uint32 ip;
+	char sex;
+};
+
+static DBMap* auth_db; // int account_id -> struct auth_node*
+
+//-----------------------------------------------------
+// Online User Database [Wizputer]
+//-----------------------------------------------------
+
+struct online_login_data {
+	int account_id;
+	int waiting_disconnect;
+	int char_server;
+};
+
+static DBMap* online_db; // int account_id -> struct online_login_data*
+static int waiting_disconnect_timer(int tid, unsigned int tick, int id, int data);
+
+static void* create_online_user(DBKey key, va_list args)
+{
+	struct online_login_data* p;
+	CREATE(p, struct online_login_data, 1);
+	p->account_id = key.i;
+	p->char_server = -1;
+	p->waiting_disconnect = -1;
+	return p;
+}
+
+struct online_login_data* add_online_user(int char_server, int account_id)
+{
+	struct online_login_data* p;
+	if( !login_config.online_check )
+		return NULL;
+	p = (struct online_login_data*)idb_ensure(online_db, account_id, create_online_user);
+	p->char_server = char_server;
+	if( p->waiting_disconnect != -1 )
+	{
+		delete_timer(p->waiting_disconnect, waiting_disconnect_timer);
+		p->waiting_disconnect = -1;
+	}
+	return p;
+}
+
+void remove_online_user(int account_id)
+{
+	struct online_login_data* p;
+	if( !login_config.online_check )
+		return;
+	p = (struct online_login_data*)idb_get(online_db, account_id);
+	if( p == NULL )
+		return;
+	if( p->waiting_disconnect != -1 )
+		delete_timer(p->waiting_disconnect, waiting_disconnect_timer);
+
+	idb_remove(online_db, account_id);
+}
+
+static int waiting_disconnect_timer(int tid, unsigned int tick, int id, int data)
+{
+	struct online_login_data* p = (struct online_login_data*)idb_get(online_db, id);
+	if( p != NULL && p->waiting_disconnect == tid && p->account_id == id )
+	{
+		p->waiting_disconnect = -1;
+		remove_online_user(id);
+		idb_remove(auth_db, id);
+	}
+	return 0;
+}
+
+//--------------------------------------------------------------------
+// Packet send to all char-servers, except one (wos: without our self)
+//--------------------------------------------------------------------
+int charif_sendallwos(int sfd, uint8* buf, size_t len)
+{
+	int i, c;
+
+	for( i = 0, c = 0; i < MAX_SERVERS; ++i )
+	{
+		int fd = server[i].fd;
+		if( session_isValid(fd) && fd != sfd )
+		{
+			WFIFOHEAD(fd,len);
+			memcpy(WFIFOP(fd,0), buf, len);
+			WFIFOSET(fd,len);
+			++c;
+		}
+	}
+
+	return c;
+}
+
+//----------------------------------------------------------------------
+// Determine if an account (id) is a GM account
+// and returns its level (or 0 if it isn't a GM account or if not found)
+//----------------------------------------------------------------------
+int isGM(int account_id)
+{
+	unsigned int i;
+	ARR_FIND( 0, GM_num, i, gm_account_db[i].account_id == account_id );
+	return ( i < GM_num ) ? gm_account_db[i].level : 0;
+}
+
+//----------------------------------------------------------------------
+// Adds a new GM using acc id and level
+//----------------------------------------------------------------------
+void addGM(int account_id, int level)
+{
+	static unsigned int GM_max = 0;
+	unsigned int i;
+
+	ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+	if( i == auth_num )
+		return; // no such account
+
+	ARR_FIND( 0, GM_num, i, gm_account_db[i].account_id == account_id );
+	if( i < GM_num )
+	{
+		if (gm_account_db[i].level == level)
+			ShowWarning("addGM: GM account %d defined twice (same level: %d).\n", account_id, level);
+		else {
+			ShowWarning("addGM: GM account %d defined twice (levels: %d and %d).\n", account_id, gm_account_db[i].level, level);
+			gm_account_db[i].level = level;
+		}
+		return; // entry already present
+	}
+
+	// new account
+	if (GM_num >= GM_max) {
+		GM_max += 256;
+		RECREATE(gm_account_db, struct gm_account, GM_max);
+	}
+	gm_account_db[GM_num].account_id = account_id;
+	gm_account_db[GM_num].level = level;
+	GM_num++;
+	if (GM_num >= 4000)
+		ShowWarning("4000 GM accounts found. Next GM accounts are not read.\n");
+}
+
+//-------------------------------------------------------
+// Reading function of GM accounts file (and their level)
+//-------------------------------------------------------
+int read_gm_account(void)
+{
+	char line[512];
+	FILE *fp;
+	int account_id, level;
+	int line_counter;
+	struct stat file_stat;
+	int start_range = 0, end_range = 0, is_range = 0, current_id = 0;
+
+	if(gm_account_db) aFree(gm_account_db);
+	CREATE(gm_account_db, struct gm_account, 1);
+	GM_num = 0;
+
+	// get last modify time/date
+	if (stat(GM_account_filename, &file_stat))
+		creation_time_GM_account_file = 0; // error
+	else
+		creation_time_GM_account_file = (long)file_stat.st_mtime;
+
+	if ((fp = fopen(GM_account_filename, "r")) == NULL) {
+		ShowError("read_gm_account: GM accounts file [%s] not found.\n", GM_account_filename);
+		return 1;
+	}
+
+	line_counter = 0;
+	// limited to 4000, because we send information to char-servers (more than 4000 GM accounts???)
+	// int (id) + int (level) = 8 bytes * 4000 = 32k (limit of packets in windows)
+	while(fgets(line, sizeof(line), fp) && GM_num < 4000)
+	{
+		line_counter++;
+		if ((line[0] == '/' && line[1] == '/') || line[0] == '\0' || line[0] == '\n' || line[0] == '\r')
+			continue;
+		is_range = (sscanf(line, "%d%*[-~]%d %d",&start_range,&end_range,&level)==3); // ID Range [MC Cameri]
+		if (!is_range && sscanf(line, "%d %d", &account_id, &level) != 2 && sscanf(line, "%d: %d", &account_id, &level) != 2)
+			ShowError("read_gm_account: file [%s], invalid 'acount_id|range level' format (line #%d).\n", GM_account_filename, line_counter);
+		else if (level <= 0)
+			ShowError("read_gm_account: file [%s] %dth account (line #%d) (invalid level [0 or negative]: %d).\n", GM_account_filename, GM_num+1, line_counter, level);
+		else {
+			if (level > 99) {
+				ShowNotice("read_gm_account: file [%s] %dth account (invalid level, but corrected: %d->99).\n", GM_account_filename, GM_num+1, level);
+				level = 99;
+			}
+			if (is_range) {
+				if (start_range==end_range)
+					ShowError("read_gm_account: file [%s] invalid range, beginning of range is equal to end of range (line #%d).\n", GM_account_filename, line_counter);
+				else if (start_range>end_range)
+					ShowError("read_gm_account: file [%s] invalid range, beginning of range must be lower than end of range (line #%d).\n", GM_account_filename, line_counter);
+				else
+					for (current_id = start_range;current_id<=end_range;current_id++)
+						addGM(current_id,level);
+			} else {
+				addGM(account_id,level);
+			}
+		}
+	}
+	fclose(fp);
+
+	ShowStatus("read_gm_account: file '%s' read (%d GM accounts found).\n", GM_account_filename, GM_num);
+
+	return 0;
+}
+
+
+//-----------------------------------------------
+// Search an account id
+//   (return account index or -1 (if not found))
+//   If exact account name is not found,
+//   the function checks without case sensitive
+//   and returns index if only 1 account is found
+//   and similar to the searched name.
+//-----------------------------------------------
+int search_account_index(char* account_name)
+{
+	unsigned int i, quantity;
+	int index;
+
+	quantity = 0;
+	index = -1;
+
+	for(i = 0; i < auth_num; i++) {
+		// Without case sensitive check (increase the number of similar account names found)
+		if (stricmp(auth_dat[i].userid, account_name) == 0) {
+			// Strict comparison (if found, we finish the function immediatly with correct value)
+			if (strcmp(auth_dat[i].userid, account_name) == 0)
+				return i;
+			quantity++;
+			index = i;
+		}
+	}
+	// Here, the exact account name is not found
+	// We return the found index of a similar account ONLY if there is 1 similar account
+	if (quantity == 1)
+		return index;
+
+	// Exact account name is not found and 0 or more than 1 similar accounts have been found ==> we say not found
+	return -1;
+}
+
+//--------------------------------------------------------
+// Create a string to save the account in the account file
+//--------------------------------------------------------
+int mmo_auth_tostr(char* str, struct mmo_account* p)
+{
+	int i;
+	char *str_p = str;
+
+	str_p += sprintf(str_p, "%d\t%s\t%s\t%s\t%c\t%d\t%u\t%s\t%s\t%ld\t%s\t%s\t%ld\t",
+	                 p->account_id, p->userid, p->pass, p->lastlogin, p->sex,
+	                 p->logincount, p->state, p->email, p->error_message,
+	                 (long)p->expiration_time, p->last_ip, p->memo, (long)p->unban_time);
+
+	for(i = 0; i < p->account_reg2_num; i++)
+		if (p->account_reg2[i].str[0])
+			str_p += sprintf(str_p, "%s,%s ", p->account_reg2[i].str, p->account_reg2[i].value);
+
+	return 0;
+}
+
+//---------------------------------
+// Reading of the accounts database
+//---------------------------------
+int mmo_auth_init(void)
+{
+	FILE *fp;
+	int account_id;
+	uint32 state;
+	int logincount, n;
+	uint32 i, j;
+	char line[2048], *p, userid[2048], pass[2048], lastlogin[2048], sex, email[2048], error_message[2048], last_ip[2048], memo[2048];
+	long unban_time;
+	long expiration_time;
+	char str[2048];
+	char v[2048];
+	int GM_count = 0;
+	int server_count = 0;
+
+	auth_max = 256;
+	CREATE(auth_dat, struct mmo_account, auth_max);
+
+	if ((fp = fopen(account_txt, "r")) == NULL) {
+		// no account file -> no account -> no login, including char-server (ERROR)
+		ShowError(CL_RED"mmmo_auth_init: Accounts file [%s] not found."CL_RESET"\n", account_txt);
+		return 0;
+	}
+
+	while(fgets(line, sizeof(line), fp) != NULL)
+	{
+		if (line[0] == '/' && line[1] == '/')
+			continue;
+
+		p = line;
+
+		memset(userid, 0, sizeof(userid));
+		memset(pass, 0, sizeof(pass));
+		memset(lastlogin, 0, sizeof(lastlogin));
+		memset(email, 0, sizeof(email));
+		memset(error_message, 0, sizeof(error_message));
+		memset(last_ip, 0, sizeof(last_ip));
+		memset(memo, 0, sizeof(memo));
+
+		// database version reading (v2)
+		if (((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t"
+		                 "%[^\t]\t%[^\t]\t%ld\t%[^\t]\t%[^\t]\t%ld%n",
+		    &account_id, userid, pass, lastlogin, &sex, &logincount, &state,
+		    email, error_message, &expiration_time, last_ip, memo, &unban_time, &n)) == 13 && line[n] == '\t') ||
+		    ((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t"
+		                 "%[^\t]\t%[^\t]\t%ld\t%[^\t]\t%[^\t]%n",
+		    &account_id, userid, pass, lastlogin, &sex, &logincount, &state,
+		    email, error_message, &expiration_time, last_ip, memo, &n)) == 12 && line[n] == '\t')) {
+			n = n + 1;
+
+			// Some checks
+			if (account_id > END_ACCOUNT_NUM) {
+				ShowError(CL_RED"mmmo_auth_init: an account has an id higher than %d\n", END_ACCOUNT_NUM);
+				ShowError("               account id #%d -> account not read (data is lost!)."CL_RESET"\n", account_id);
+				continue;
+			}
+			userid[23] = '\0';
+			remove_control_chars(userid);
+			for(j = 0; j < auth_num; j++) {
+				if (auth_dat[j].account_id == account_id) {
+					ShowError(CL_RED"mmmo_auth_init: an account has an identical id to another.\n");
+					ShowError("               account id #%d -> new account not read (data is lost!)."CL_RED"\n", account_id);
+					break;
+				} else if (strcmp(auth_dat[j].userid, userid) == 0) {
+					ShowError(CL_RED"mmmo_auth_init: account name already exists.\n");
+					ShowError("               account name '%s' -> new account not read (data is lost!)."CL_RESET"\n", userid); // 2 lines, account name can be long.
+					break;
+				}
+			}
+			if (j != auth_num)
+				continue;
+
+			if (auth_num >= auth_max) {
+				auth_max += 256;
+				auth_dat = (struct mmo_account*)aRealloc(auth_dat, sizeof(struct mmo_account) * auth_max);
+			}
+
+			memset(&auth_dat[auth_num], '\0', sizeof(struct mmo_account));
+
+			auth_dat[auth_num].account_id = account_id;
+
+			strncpy(auth_dat[auth_num].userid, userid, 24);
+
+			pass[32] = '\0';
+			remove_control_chars(pass);
+			strncpy(auth_dat[auth_num].pass, pass, 32);
+
+			lastlogin[23] = '\0';
+			remove_control_chars(lastlogin);
+			strncpy(auth_dat[auth_num].lastlogin, lastlogin, 24);
+
+			auth_dat[auth_num].sex = sex;
+
+			if (logincount >= 0)
+				auth_dat[auth_num].logincount = logincount;
+			else
+				auth_dat[auth_num].logincount = 0;
+
+			if (state > 255)
+				auth_dat[auth_num].state = 100;
+			else
+				auth_dat[auth_num].state = state;
+
+			if (e_mail_check(email) == 0) {
+				ShowNotice("Account %s (%d): invalid e-mail (replaced par a@a.com).\n", auth_dat[auth_num].userid, auth_dat[auth_num].account_id);
+				strncpy(auth_dat[auth_num].email, "a@a.com", 40);
+			} else {
+				remove_control_chars(email);
+				strncpy(auth_dat[auth_num].email, email, 40);
+			}
+
+			error_message[19] = '\0';
+			remove_control_chars(error_message);
+			if (error_message[0] == '\0' || state != 7) { // 7, because state is packet 0x006a value + 1
+				strncpy(auth_dat[auth_num].error_message, "-", 20);
+			} else {
+				strncpy(auth_dat[auth_num].error_message, error_message, 20);
+			}
+
+			if (i == 13)
+				auth_dat[auth_num].unban_time = (time_t)unban_time;
+			else
+				auth_dat[auth_num].unban_time = 0;
+
+			auth_dat[auth_num].expiration_time = (time_t)expiration_time;
+
+			last_ip[15] = '\0';
+			remove_control_chars(last_ip);
+			strncpy(auth_dat[auth_num].last_ip, last_ip, 16);
+
+			memo[254] = '\0';
+			remove_control_chars(memo);
+			strncpy(auth_dat[auth_num].memo, memo, 255);
+
+			for(j = 0; j < ACCOUNT_REG2_NUM; j++) {
+				p += n;
+				if (sscanf(p, "%[^\t,],%[^\t ] %n", str, v, &n) != 2) { 
+					// We must check if a str is void. If it's, we can continue to read other REG2.
+					// Account line will have something like: str2,9 ,9 str3,1 (here, ,9 is not good)
+					if (p[0] == ',' && sscanf(p, ",%[^\t ] %n", v, &n) == 1) { 
+						j--;
+						continue;
+					} else
+						break;
+				}
+				str[31] = '\0';
+				remove_control_chars(str);
+				strncpy(auth_dat[auth_num].account_reg2[j].str, str, 32);
+				strncpy(auth_dat[auth_num].account_reg2[j].value,v,256);
+			}
+			auth_dat[auth_num].account_reg2_num = j;
+
+			if (isGM(account_id) > 0)
+				GM_count++;
+			if (auth_dat[auth_num].sex == 'S')
+				server_count++;
+
+			auth_num++;
+			if (account_id >= account_id_count)
+				account_id_count = account_id + 1;
+
+		// Old athena database version reading (v1)
+		} else if ((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t%n",
+		           &account_id, userid, pass, lastlogin, &sex, &logincount, &state, &n)) >= 5) {
+			if (account_id > END_ACCOUNT_NUM) {
+				ShowError(CL_RED"mmmo_auth_init: an account has an id higher than %d\n", END_ACCOUNT_NUM);
+				ShowError("               account id #%d -> account not read (data is lost!)."CL_RESET"\n", account_id);
+				continue;
+			}
+			userid[23] = '\0';
+			remove_control_chars(userid);
+			for(j = 0; j < auth_num; j++) {
+				if (auth_dat[j].account_id == account_id) {
+					ShowError(CL_RED"mmo_auth_init: an account has an identical id to another.\n");
+					ShowError("               account id #%d -> new account not read (data is lost!)."CL_RESET"\n", account_id);
+					break;
+				} else if (strcmp(auth_dat[j].userid, userid) == 0) {
+					ShowError(CL_RED"mmo_auth_init: account name already exists.\n");
+					ShowError("               account name '%s' -> new account not read (data is lost!)."CL_RESET"\n", userid);
+					break;
+				}
+			}
+			if (j != auth_num)
+				continue;
+
+			if (auth_num >= auth_max) {
+				auth_max += 256;
+				RECREATE(auth_dat, struct mmo_account, auth_max);
+			}
+
+			memset(&auth_dat[auth_num], '\0', sizeof(struct mmo_account));
+
+			auth_dat[auth_num].account_id = account_id;
+
+			strncpy(auth_dat[auth_num].userid, userid, 24);
+
+			pass[23] = '\0';
+			remove_control_chars(pass);
+			strncpy(auth_dat[auth_num].pass, pass, 24);
+
+			lastlogin[23] = '\0';
+			remove_control_chars(lastlogin);
+			strncpy(auth_dat[auth_num].lastlogin, lastlogin, 24);
+
+			auth_dat[auth_num].sex = sex;
+
+			if (i >= 6) {
+				if (logincount >= 0)
+					auth_dat[auth_num].logincount = logincount;
+				else
+					auth_dat[auth_num].logincount = 0;
+			} else
+				auth_dat[auth_num].logincount = 0;
+
+			if (i >= 7) {
+				if (state > 255)
+					auth_dat[auth_num].state = 100;
+				else
+					auth_dat[auth_num].state = state;
+			} else
+				auth_dat[auth_num].state = 0;
+
+			// Initialization of new data
+			strncpy(auth_dat[auth_num].email, "a@a.com", 40);
+			strncpy(auth_dat[auth_num].error_message, "-", 20);
+			auth_dat[auth_num].unban_time = 0;
+			auth_dat[auth_num].expiration_time = 0;
+			strncpy(auth_dat[auth_num].last_ip, "-", 16);
+			strncpy(auth_dat[auth_num].memo, "-", 255);
+
+			for(j = 0; j < ACCOUNT_REG2_NUM; j++) {
+				p += n;
+				if (sscanf(p, "%[^\t,],%[^\t ] %n", str, v, &n) != 2) { 
+					// We must check if a str is void. If it's, we can continue to read other REG2.
+					// Account line will have something like: str2,9 ,9 str3,1 (here, ,9 is not good)
+					if (p[0] == ',' && sscanf(p, ",%[^\t ] %n", v, &n) == 1) { 
+						j--;
+						continue;
+					} else
+						break;
+				}
+				str[31] = '\0';
+				remove_control_chars(str);
+				strncpy(auth_dat[auth_num].account_reg2[j].str, str, 32);
+				strncpy(auth_dat[auth_num].account_reg2[j].value,v,256);
+			}
+			auth_dat[auth_num].account_reg2_num = j;
+
+			if (isGM(account_id) > 0)
+				GM_count++;
+			if (auth_dat[auth_num].sex == 'S')
+				server_count++;
+
+			auth_num++;
+			if (account_id >= account_id_count)
+				account_id_count = account_id + 1;
+
+		} else {
+			int i = 0;
+			if (sscanf(line, "%d\t%%newid%%\n%n", &account_id, &i) == 1 &&
+			    i > 0 && account_id > account_id_count)
+				account_id_count = account_id;
+		}
+	}
+	fclose(fp);
+
+	if( auth_num == 0 )
+		ShowNotice("mmo_auth_init: No account found in %s.\n", account_txt);
+	else
+	if( auth_num == 1 )
+		ShowStatus("mmo_auth_init: 1 account read in %s,\n", account_txt);
+	else
+		ShowStatus("mmo_auth_init: %d accounts read in %s,\n", auth_num, account_txt);
+
+	if( GM_count == 0 )
+		ShowStatus("               of which is no GM account, and \n");
+	else
+	if( GM_count == 1 )
+		ShowStatus("               of which is 1 GM account, and \n");
+	else
+		ShowStatus("               of which is %d GM accounts, and \n", GM_count);
+
+	if( server_count == 0 )
+		ShowStatus("               no server account ('S').\n");
+	else
+	if( server_count == 1 )
+		ShowStatus("               1 server account ('S').\n");
+	else
+		ShowStatus("               %d server accounts ('S').\n", server_count);
+
+	return 0;
+}
+
+//------------------------------------------
+// Writing of the accounts database file
+//   (accounts are sorted by id before save)
+//------------------------------------------
+void mmo_auth_sync(void)
+{
+	FILE *fp;
+	unsigned int i, j, k;
+	int lock;
+	int account_id;
+	CREATE_BUFFER(id, int, auth_num);
+	char line[65536];
+
+	// Sorting before save
+	for(i = 0; i < auth_num; i++) {
+		id[i] = i;
+		account_id = auth_dat[i].account_id;
+		for(j = 0; j < i; j++) {
+			if (account_id < auth_dat[id[j]].account_id) {
+				for(k = i; k > j; k--)
+					id[k] = id[k-1];
+				id[j] = i; // id[i]
+				break;
+			}
+		}
+	}
+
+	// Data save
+	if ((fp = lock_fopen(account_txt, &lock)) == NULL) {
+		//if (id) aFree(id);
+		DELETE_BUFFER(id);
+		return;
+	}
+
+	fprintf(fp, "// Accounts file: here are saved all information about the accounts.\n");
+	fprintf(fp, "// Structure: ID, account name, password, last login time, sex, # of logins, state, email, error message for state 7, validity time, last (accepted) login ip, memo field, ban timestamp, repeated(register text, register value)\n");
+	fprintf(fp, "// Some explanations:\n");
+	fprintf(fp, "//   account name    : between 4 to 23 char for a normal account (standard client can't send less than 4 char).\n");
+	fprintf(fp, "//   account password: between 4 to 23 char\n");
+	fprintf(fp, "//   sex             : M or F for normal accounts, S for server accounts\n");
+	fprintf(fp, "//   state           : 0: account is ok, 1 to 256: error code of packet 0x006a + 1\n");
+	fprintf(fp, "//   email           : between 3 to 39 char (a@a.com is like no email)\n");
+	fprintf(fp, "//   error message   : text for the state 7: 'Your are Prohibited to login until <text>'. Max 19 char\n");
+	fprintf(fp, "//   valitidy time   : 0: unlimited account, <other value>: date calculated by addition of 1/1/1970 + value (number of seconds since the 1/1/1970)\n");
+	fprintf(fp, "//   memo field      : max 254 char\n");
+	fprintf(fp, "//   ban time        : 0: no ban, <other value>: banned until the date: date calculated by addition of 1/1/1970 + value (number of seconds since the 1/1/1970)\n");
+	for(i = 0; i < auth_num; i++) {
+		k = id[i]; // use of sorted index
+		if (auth_dat[k].account_id == -1)
+			continue;
+
+		mmo_auth_tostr(line, &auth_dat[k]);
+		fprintf(fp, "%s\n", line);
+	}
+	fprintf(fp, "%d\t%%newid%%\n", account_id_count);
+
+	lock_fclose(fp, account_txt, &lock);
+
+	// set new counter to minimum number of auth before save
+	auth_before_save_file = auth_num / AUTH_SAVE_FILE_DIVIDER; // Re-initialise counter. We have save.
+	if (auth_before_save_file < AUTH_BEFORE_SAVE_FILE)
+		auth_before_save_file = AUTH_BEFORE_SAVE_FILE;
+
+	//if (id) aFree(id);
+	DELETE_BUFFER(id);
+
+	return;
+}
+
+//-----------------------------------------------------
+// Check if we must save accounts file or not
+//   every minute, we check if we must save because we
+//   have do some authentications without arrive to
+//   the minimum of authentications for the save.
+// Note: all other modification of accounts (deletion,
+//       change of some informations excepted lastip/
+//       lastlogintime, creation) are always save
+//       immediatly and set  the minimum of
+//       authentications to its initialization value.
+//-----------------------------------------------------
+int check_auth_sync(int tid, unsigned int tick, int id, int data)
+{
+	// we only save if necessary:
+	// we have do some authentications without do saving
+	if (auth_before_save_file < AUTH_BEFORE_SAVE_FILE ||
+	    auth_before_save_file < (int)(auth_num / AUTH_SAVE_FILE_DIVIDER))
+		mmo_auth_sync();
+
+	return 0;
+}
+
+//-----------------------------------------------------
+// periodic ip address synchronization
+//-----------------------------------------------------
+static int sync_ip_addresses(int tid, unsigned int tick, int id, int data)
+{
+	uint8 buf[2];
+	ShowInfo("IP Sync in progress...\n");
+	WBUFW(buf,0) = 0x2735;
+	charif_sendallwos(-1, buf, 2);
+	return 0;
+}
+
+//-----------------------------------------------------
+// Send GM accounts to one or all char-servers
+//-----------------------------------------------------
+void send_GM_accounts(int fd)
+{
+	unsigned int i;
+	uint8 buf[32767];
+	uint16 len;
+
+	len = 4;
+	WBUFW(buf,0) = 0x2732;
+	for(i = 0; i < GM_num; i++)
+		// send only existing accounts. We can not create a GM account when server is online.
+		if (gm_account_db[i].level > 0) {
+			WBUFL(buf,len) = gm_account_db[i].account_id;
+			WBUFB(buf,len+4) = (uint8)gm_account_db[i].level;
+			len += 5;
+			if (len >= 32000) {
+				ShowWarning("send_GM_accounts: Too many accounts! Only %d out of %d were sent.\n", i, GM_num);
+				break;
+			}
+		}
+
+	WBUFW(buf,2) = len;
+	if (fd == -1) // send to all charservers
+		charif_sendallwos(-1, buf, len);
+	else { // send only to target
+		WFIFOHEAD(fd,len);
+		memcpy(WFIFOP(fd,0), buf, len);
+		WFIFOSET(fd,len);
+	}
+
+	return;
+}
+
+//-----------------------------------------------------
+// Check if GM file account have been changed
+//-----------------------------------------------------
+int check_GM_file(int tid, unsigned int tick, int id, int data)
+{
+	struct stat file_stat;
+	long new_time;
+
+	// if we would not check
+	if (gm_account_filename_check_timer < 1)
+		return 0;
+
+	// get last modify time/date
+	if (stat(GM_account_filename, &file_stat))
+		new_time = 0; // error
+	else
+		new_time = (long)file_stat.st_mtime;
+
+	if (new_time != creation_time_GM_account_file) {
+		read_gm_account();
+		send_GM_accounts(-1);
+	}
+
+	return 0;
+}
+
+
+//-----------------------------------------------------
+// encrypted/unencrypted password check
+//-----------------------------------------------------
+bool check_encrypted(const char* str1, const char* str2, const char* passwd)
+{
+	char md5str[64], md5bin[32];
+
+	snprintf(md5str, sizeof(md5str), "%s%s", str1, str2);
+	md5str[sizeof(md5str)-1] = '\0';
+	MD5_String2binary(md5str, md5bin);
+
+	return (0==memcmp(passwd, md5bin, 16));
+}
+
+bool check_password(struct login_session_data* sd, int passwdenc, const char* passwd, const char* refpass)
+{	
+	if(passwdenc == 0)
+	{
+		return (0==strcmp(passwd, refpass));
+	}
+	else if(sd != NULL)
+	{
+		// password mode set to 1 -> (md5key, refpass) enable with <passwordencrypt></passwordencrypt>
+		// password mode set to 2 -> (refpass, md5key) enable with <passwordencrypt2></passwordencrypt2>
+		
+		return ((passwdenc&0x01) && check_encrypted(sd->md5key, refpass, passwd)) ||
+		       ((passwdenc&0x02) && check_encrypted(refpass, sd->md5key, passwd));
+	}
+	return false;
+}
+
+
+//-------------------------------------
+// Make new account
+//-------------------------------------
+int mmo_auth_new(struct mmo_account* account)
+{
+	static int num_regs = 0; // registration counter
+	unsigned int tick = gettick();
+
+	time_t expiration_time = 0;
+	unsigned int i = auth_num;
+
+	// check if the account doesn't exist already
+	ARR_FIND( 0, auth_num, i, strcmp(account->userid, auth_dat[i].userid) == 0 );
+	if( i < auth_num )
+	{
+		ShowNotice("Attempt of creation of an already existant account (account: %s_%c, pass: %s, received pass: %s)\n", account->userid, account->sex, auth_dat[i].pass, account->pass);
+		return 1; // 1 = Incorrect Password
+	}
+
+	//Account Registration Flood Protection by [Kevin]
+	if( DIFF_TICK(tick, new_reg_tick) < 0 && num_regs >= allowed_regs )
+	{
+		ShowNotice("Account registration denied (registration limit exceeded)\n");
+		return 3;
+	}
+
+	if (auth_num >= auth_max) {
+		auth_max += 256;
+		auth_dat = (struct mmo_account*)aRealloc(auth_dat, sizeof(struct mmo_account) * auth_max);
+	}
+
+	memset(&auth_dat[i], '\0', sizeof(struct mmo_account));
+
+	// find a suitable non-gm account id
+	while (isGM(account_id_count) > 0)
+		account_id_count++;
+
+	auth_dat[i].account_id = account_id_count++;
+	safestrncpy(auth_dat[i].userid, account->userid, NAME_LENGTH);
+	if( login_config.use_md5_passwds )
+		MD5_String(account->pass, auth_dat[i].pass);
+	else
+		safestrncpy(auth_dat[i].pass, account->pass, NAME_LENGTH);
+	safestrncpy(auth_dat[i].lastlogin, "-", sizeof(auth_dat[i].lastlogin));
+	auth_dat[i].sex = account->sex;
+	auth_dat[i].logincount = 0;
+	auth_dat[i].state = 0;
+	safestrncpy(auth_dat[i].email, e_mail_check(account->email) ? account->email : "a@a.com", sizeof(auth_dat[i].email));
+	safestrncpy(auth_dat[i].error_message, "-", sizeof(auth_dat[i].error_message));
+	auth_dat[i].unban_time = 0;
+	if( login_config.start_limited_time != -1 )
+		expiration_time = time(NULL) + login_config.start_limited_time;
+	auth_dat[i].expiration_time = expiration_time;
+	strncpy(auth_dat[i].last_ip, "-", 16);
+	strncpy(auth_dat[i].memo, "-", 255);
+	auth_dat[i].account_reg2_num = 0;
+
+	ShowNotice("Account creation (account %s, id: %d, pass: %s, sex: %c)\n", account->userid, auth_num, account->pass, account->sex);
+	auth_num++;
+
+	if( DIFF_TICK(tick, new_reg_tick) > 0 )
+	{// Update the registration check.
+		num_regs = 0;
+		new_reg_tick = tick + time_allowed*1000;
+	}
+	++num_regs;
+
+	return 0;
+}
+
+//-----------------------------------------------------
+// Check/authentication of a connection
+//-----------------------------------------------------
+int mmo_auth(struct login_session_data* sd)
+{
+	unsigned int i;
+	time_t raw_time;
+	char tmpstr[256];
+	int len;
+	char user_password[32+1]; // reserve for md5-ed pw
+
+	char ip[16];
+	ip2str(session[sd->fd]->client_addr, ip);
+
+	// DNS Blacklist check
+	if( login_config.use_dnsbl )
+	{
+		char r_ip[16];
+		char ip_dnsbl[256];
+		char* dnsbl_serv;
+		bool matched = false;
+		uint8* sin_addr = (uint8*)&session[sd->fd]->client_addr;
+
+		sprintf(r_ip, "%u.%u.%u.%u", sin_addr[0], sin_addr[1], sin_addr[2], sin_addr[3]);
+
+		for( dnsbl_serv = strtok(login_config.dnsbl_servs,","); !matched && dnsbl_serv != NULL; dnsbl_serv = strtok(NULL,",") )
+		{
+			sprintf(ip_dnsbl, "%s.%s", r_ip, dnsbl_serv);
+			if( host2ip(ip_dnsbl) )
+				matched = true;
+		}
+
+		if( matched )
+		{
+			ShowInfo("DNSBL: (%s) Blacklisted. User Kicked.\n", r_ip);
+			return 3;
+		}
+	}
+
+	//Client Version check
+	if( login_config.check_client_version && sd->version != login_config.client_version_to_connect )
+		return 5;
+
+	len = strnlen(sd->userid, NAME_LENGTH);
+
+	// Account creation with _M/_F
+	if( login_config.new_account_flag )
+	{
+		if( len > 2 && strnlen(sd->passwd, NAME_LENGTH) > 0 && // valid user and password lengths
+			sd->passwdenc == 0 && // unencoded password
+			sd->userid[len-2] == '_' && memchr("FfMm", sd->userid[len-1], 4) && // _M/_F suffix
+			account_id_count <= END_ACCOUNT_NUM )
+		{
+			struct mmo_account acc;
+			int result;
+
+			len -= 2;
+			sd->userid[len] = '\0';
+
+			memset(&acc, '\0', sizeof(acc));
+			safestrncpy(acc.userid, sd->userid, NAME_LENGTH);
+			safestrncpy(acc.pass, sd->passwd, NAME_LENGTH);
+			safestrncpy(acc.email, "a@a.com", sizeof(acc.email));
+			acc.sex = TOUPPER(sd->userid[len+1]);
+
+			result = mmo_auth_new(&acc);
+			if( result )
+				return result;// Failed to make account. [Skotlex].
+
+			auth_before_save_file = 0; // Creation of an account -> save accounts file immediatly
+		}
+	}
+	
+	// Strict account search
+	ARR_FIND( 0, auth_num, i, strcmp(sd->userid, auth_dat[i].userid) == 0 );
+
+	// if strict account search fails, we do a no sensitive case research for index
+	if( i < auth_num )
+	{
+		i = search_account_index(sd->userid);
+		if( i == -1 )
+			i = auth_num;
+		else
+			memcpy(sd->userid, auth_dat[i].userid, NAME_LENGTH); // for the possible tests/checks afterwards (copy correcte sensitive case).
+	}
+
+	if( i == auth_num )
+	{
+		ShowNotice("Unknown account (account: %s, received pass: %s, ip: %s)\n", sd->userid, sd->passwd, ip);
+		return 0; // 0 = Unregistered ID
+	}
+
+	if( login_config.use_md5_passwds )
+		MD5_String(sd->passwd, user_password);
+	else
+		safestrncpy(user_password, sd->passwd, NAME_LENGTH);
+
+	if( !check_password(sd, sd->passwdenc, user_password, auth_dat[i].pass) )
+	{
+		ShowNotice("Invalid password (account: %s, pass: %s, received pass: %s, ip: %s)\n", sd->userid, auth_dat[i].pass, (sd->passwdenc) ? "[MD5]" : sd->passwd, ip);
+		return 1; // 1 = Incorrect Password
+	}
+
+	if( auth_dat[i].expiration_time != 0 && auth_dat[i].expiration_time < time(NULL) )
+	{
+		ShowNotice("Connection refused (account: %s, pass: %s, expired ID, ip: %s)\n", sd->userid, sd->passwd, ip);
+		return 2; // 2 = This ID is expired
+	}
+
+	if( auth_dat[i].unban_time != 0 && auth_dat[i].unban_time > time(NULL) )
+	{
+		strftime(tmpstr, 20, login_config.date_format, localtime(&auth_dat[i].unban_time));
+		tmpstr[19] = '\0';
+		ShowNotice("Connection refused (account: %s, pass: %s, banned until %s, ip: %s)\n", sd->userid, sd->passwd, tmpstr, ip);
+		return 6; // 6 = Your are Prohibited to log in until %s
+	}
+
+	if( auth_dat[i].state )
+	{
+		ShowNotice("Connection refused (account: %s, pass: %s, state: %d, ip: %s)\n", sd->userid, sd->passwd, auth_dat[i].state, ip);
+		return auth_dat[i].state - 1;
+	}
+
+	ShowNotice("Authentication accepted (account: %s, id: %d, ip: %s)\n", sd->userid, auth_dat[i].account_id, ip);
+
+	// auth start : time seed
+	time(&raw_time);
+	strftime(tmpstr, 24, "%Y-%m-%d %H:%M:%S",localtime(&raw_time));
+
+	sd->account_id = auth_dat[i].account_id;
+	sd->login_id1 = rand();
+	sd->login_id2 = rand();
+	safestrncpy(sd->lastlogin, auth_dat[i].lastlogin, 24);
+	sd->sex = auth_dat[i].sex;
+
+	if( sd->sex != 'S' && sd->account_id < START_ACCOUNT_NUM )
+		ShowWarning("Account %s has account id %d! Account IDs must be over %d to work properly!\n", sd->userid, sd->account_id, START_ACCOUNT_NUM);
+
+	safestrncpy(auth_dat[i].lastlogin, tmpstr, sizeof(auth_dat[i].lastlogin));
+	safestrncpy(auth_dat[i].last_ip, ip, sizeof(auth_dat[i].last_ip));
+	auth_dat[i].unban_time = 0;
+	auth_dat[i].logincount++;
+
+	// Save until for change ip/time of auth is not very useful => limited save for that
+	// Save there informations isnot necessary, because they are saved in log file.
+	if (--auth_before_save_file <= 0) // Reduce counter. 0 or less, we save
+		mmo_auth_sync();
+
+	return -1; // account OK
+}
+
+static int online_db_setoffline(DBKey key, void* data, va_list ap)
+{
+	struct online_login_data* p = (struct online_login_data*)data;
+	int server = va_arg(ap, int);
+	if( server == -1 )
+	{
+		p->char_server = -1;
+		if( p->waiting_disconnect != -1 )
+		{
+			delete_timer(p->waiting_disconnect, waiting_disconnect_timer);
+			p->waiting_disconnect = -1;
+		}
+	}
+	else if( p->char_server == server )
+		p->char_server = -2; //Char server disconnected.
+	return 0;
+}
+
+//--------------------------------
+// Packet parsing for char-servers
+//--------------------------------
+int parse_fromchar(int fd)
+{
+	unsigned int i;
+	int j, id;
+	uint32 ipl;
+	char ip[16];
+
+	ARR_FIND( 0, MAX_SERVERS, id, server[id].fd == fd );
+	if( id == MAX_SERVERS )
+	{// not a char server
+		set_eof(fd);
+		do_close(fd);
+		return 0;
+	}
+
+	if( session[fd]->flag.eof )
+	{
+		ShowStatus("Char-server '%s' has disconnected.\n", server[id].name);
+		online_db->foreach(online_db, online_db_setoffline, id); //Set all chars from this char server to offline.
+		memset(&server[id], 0, sizeof(struct mmo_char_server));
+		server[id].fd = -1;
+		do_close(fd);
+		return 0;
+	}
+
+	ipl = server[id].ip;
+	ip2str(ipl, ip);
+
+	while( RFIFOREST(fd) >= 2 )
+	{
+		uint16 command = RFIFOW(fd,0);
+
+		switch( command )
+		{
+
+		case 0x2709: // request from map-server via char-server to reload GM accounts
+			RFIFOSKIP(fd,2);
+			ShowStatus("Char-server '%s': Request to re-load GM configuration file (ip: %s).\n", server[id].name, ip);
+			read_gm_account();
+			// send GM accounts to all char-servers
+			send_GM_accounts(-1);
+		break;
+
+		case 0x2712: // request from char-server to authenticate an account
+			if( RFIFOREST(fd) < 19 )
+				return 0;
+		{
+			struct auth_node* node;
+
+			int account_id = RFIFOL(fd,2);
+			int login_id1 = RFIFOL(fd,6);
+			int login_id2 = RFIFOL(fd,10);
+			char sex = sex_num2str(RFIFOB(fd,14));
+			uint32 ip_ = ntohl(RFIFOL(fd,15));
+			RFIFOSKIP(fd,19);
+
+			node = (struct auth_node*)idb_get(auth_db, account_id);
+			if( node != NULL &&
+			    node->account_id == account_id &&
+				node->login_id1  == login_id1 &&
+				node->login_id2  == login_id2 &&
+				node->sex        == sex &&
+				node->ip         == ip_ )
+			{// found
+				uint32 expiration_time;
+				char email[40];
+				unsigned int k;
+
+				//ShowStatus("Char-server '%s': authentication of the account %d accepted (ip: %s).\n", server[id].name, account_id, ip);
+
+				// each auth entry can only be used once
+				idb_remove(auth_db, account_id);
+
+				// retrieve email and account expiration time
+				ARR_FIND( 0, auth_num, k, auth_dat[k].account_id == account_id );
+				if( k < auth_num )
+				{
+					strcpy(email, auth_dat[k].email);
+					expiration_time = (uint32)auth_dat[k].expiration_time;
+				}
+				else
+				{
+					memset(email, 0, sizeof(email));
+					expiration_time = 0;
+				}
+
+				// send ack
+				WFIFOHEAD(fd,59);
+				WFIFOW(fd,0) = 0x2713;
+				WFIFOL(fd,2) = account_id;
+				WFIFOL(fd,6) = login_id1;
+				WFIFOL(fd,10) = login_id2;
+				WFIFOB(fd,14) = 0;
+				memcpy(WFIFOP(fd,15), email, 40);
+				WFIFOL(fd,55) = expiration_time;
+				WFIFOSET(fd,59);
+			}
+			else
+			{// authentication not found
+				ShowStatus("Char-server '%s': authentication of the account %d REFUSED (ip: %s).\n", server[id].name, account_id, ip);
+				WFIFOHEAD(fd,59);
+				WFIFOW(fd,0) = 0x2713;
+				WFIFOL(fd,2) = account_id;
+				WFIFOL(fd,6) = login_id1;
+				WFIFOL(fd,10) = login_id2;
+				WFIFOB(fd,14) = 1;
+				// It is unnecessary to send email
+				// It is unnecessary to send validity date of the account
+				WFIFOSET(fd,59);
+			}
+		}
+		break;
+
+		case 0x2714:
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+		{
+			int users = RFIFOL(fd,2);
+			RFIFOSKIP(fd,6);
+
+			// how many users on world? (update)
+			if( server[id].users != users )
+			{
+				ShowStatus("set users %s : %d\n", server[id].name, users);
+
+				server[id].users = users;
+			}
+		}
+		break;
+
+		case 0x2715: // request from char server to change e-email from default "a@a.com"
+			if (RFIFOREST(fd) < 46)
+				return 0;
+		{
+			char email[40];
+			int acc = RFIFOL(fd,2);
+			safestrncpy(email, (char*)RFIFOP(fd,6), 40); remove_control_chars(email);
+			RFIFOSKIP(fd,46);
+
+			if( e_mail_check(email) == 0 )
+				ShowNotice("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - e-mail is invalid (account: %d, ip: %s)\n", server[id].name, acc, ip);
+			else
+			{
+				ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == acc && (strcmp(auth_dat[i].email, "a@a.com") == 0 || auth_dat[i].email[0] == '\0') );
+				if( i == auth_num )
+					ShowNotice("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - account doesn't exist or e-mail of account isn't default e-mail (account: %d, ip: %s).\n", server[id].name, acc, ip);
+				else
+				{
+					memcpy(auth_dat[i].email, email, 40);
+					ShowNotice("Char-server '%s': Create an e-mail on an account with a default e-mail (account: %d, new e-mail: %s, ip: %s).\n", server[id].name, acc, email, ip);
+					// Save
+					mmo_auth_sync();
+				}
+			}
+		}
+		break;
+
+		case 0x2716: // received an e-mail/limited time request, because a player comes back from a map-server to the char-server
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+		{
+			uint32 expiration_time = 0;
+			char email[40] = "";
+
+			int account_id = RFIFOL(fd,2);
+			RFIFOSKIP(fd,6);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+				ShowNotice("Char-server '%s': e-mail of the account %d NOT found (ip: %s).\n", server[id].name, RFIFOL(fd,2), ip);
+			else
+			{
+				safestrncpy(email, auth_dat[i].email, sizeof(email));
+				expiration_time = (uint32)auth_dat[i].expiration_time;
+			}
+
+			WFIFOHEAD(fd,50);
+			WFIFOW(fd,0) = 0x2717;
+			WFIFOL(fd,2) = account_id;
+			safestrncpy((char*)WFIFOP(fd,6), email, 40);
+			WFIFOL(fd,46) = expiration_time;
+			WFIFOSET(fd,50);
+		}
+		break;
+
+		case 0x2719: // ping request from charserver
+			if( RFIFOREST(fd) < 2 )
+				return 0;
+			RFIFOSKIP(fd,2);
+
+			WFIFOHEAD(fd,2);
+			WFIFOW(fd,0) = 0x2718;
+			WFIFOSET(fd,2);
+		break;
+
+		// Map server send information to change an email of an account via char-server
+		case 0x2722:	// 0x2722 <account_id>.L <actual_e-mail>.40B <new_e-mail>.40B
+			if (RFIFOREST(fd) < 86)
+				return 0;
+		{
+			char actual_email[40];
+			char new_email[40];
+			int account_id = RFIFOL(fd,2);
+			safestrncpy(actual_email, (char*)RFIFOP(fd,6), 40); remove_control_chars(actual_email);
+			safestrncpy(new_email, (char*)RFIFOP(fd,46), 40); remove_control_chars(new_email);
+			RFIFOSKIP(fd, 86);
+
+			if( e_mail_check(actual_email) == 0 )
+				ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but actual email is invalid (account: %d, ip: %s)\n", server[id].name, account_id, ip);
+			else if( e_mail_check(new_email) == 0 )
+				ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command) with a invalid new e-mail (account: %d, ip: %s)\n", server[id].name, account_id, ip);
+			else if( strcmpi(new_email, "a@a.com") == 0 )
+				ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command) with a default e-mail (account: %d, ip: %s)\n", server[id].name, account_id, ip);
+			else {
+				ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+				if( i == auth_num )
+					ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but account doesn't exist (account: %d, ip: %s).\n", server[id].name, account_id, ip);
+				else
+				if( strcmpi(auth_dat[i].email, actual_email) != 0 )
+					ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but actual e-mail is incorrect (account: %d (%s), actual e-mail: %s, proposed e-mail: %s, ip: %s).\n", server[id].name, account_id, auth_dat[i].userid, auth_dat[i].email, actual_email, ip);
+				else {
+					safestrncpy(auth_dat[i].email, new_email, 40);
+					ShowNotice("Char-server '%s': Modify an e-mail on an account (@email GM command) (account: %d (%s), new e-mail: %s, ip: %s).\n", server[id].name, account_id, auth_dat[i].userid, new_email, ip);
+					// Save
+					mmo_auth_sync();
+				}
+			}
+		}
+		break;
+
+		case 0x2724: // Receiving an account state update request from a map-server (relayed via char-server)
+			if (RFIFOREST(fd) < 10)
+				return 0;
+		{
+			int account_id = RFIFOL(fd,2);
+			uint32 state = RFIFOL(fd,6);
+			RFIFOSKIP(fd,10);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+				ShowNotice("Char-server '%s': Error of Status change (account: %d not found, suggested status %d, ip: %s).\n", server[id].name, account_id, state, ip);
+			else
+			if( auth_dat[i].state == state )
+				ShowNotice("Char-server '%s':  Error of Status change - actual status is already the good status (account: %d, status %d, ip: %s).\n", server[id].name, account_id, state, ip);
+			else {
+				ShowNotice("Char-server '%s': Status change (account: %d, new status %d, ip: %s).\n", server[id].name, account_id, state, ip);
+				if (state != 0) {
+					uint8 buf[11];
+					WBUFW(buf,0) = 0x2731;
+					WBUFL(buf,2) = account_id;
+					WBUFB(buf,6) = 0; // 0: change of state, 1: ban
+					WBUFL(buf,7) = state; // status or final date of a banishment
+					charif_sendallwos(-1, buf, 11);
+				}
+				auth_dat[i].state = state;
+				// Save
+				mmo_auth_sync();
+			}
+		}
+		break;
+
+		case 0x2725: // Receiving of map-server via char-server a ban request
+			if (RFIFOREST(fd) < 18)
+				return 0;
+		{
+			int account_id = RFIFOL(fd,2);
+			int year = (short)RFIFOW(fd,6);
+			int month = (short)RFIFOW(fd,8);
+			int mday = (short)RFIFOW(fd,10);
+			int hour = (short)RFIFOW(fd,12);
+			int min = (short)RFIFOW(fd,14);
+			int sec = (short)RFIFOW(fd,16);
+			RFIFOSKIP(fd,18);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+				ShowNotice("Char-server '%s': Error of ban request (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
+			else
+			{
+				time_t timestamp;
+				struct tm *tmtime;
+				if (auth_dat[i].unban_time == 0 || auth_dat[i].unban_time < time(NULL))
+					timestamp = time(NULL);
+				else
+					timestamp = auth_dat[i].unban_time;
+				tmtime = localtime(&timestamp);
+				tmtime->tm_year = tmtime->tm_year + year;
+				tmtime->tm_mon = tmtime->tm_mon + month;
+				tmtime->tm_mday = tmtime->tm_mday + mday;
+				tmtime->tm_hour = tmtime->tm_hour + hour;
+				tmtime->tm_min = tmtime->tm_min + min;
+				tmtime->tm_sec = tmtime->tm_sec + sec;
+				timestamp = mktime(tmtime);
+				if (timestamp == -1)
+					ShowNotice("Char-server '%s': Error of ban request (account: %d, invalid date, ip: %s).\n", server[id].name, account_id, ip);
+				else
+				if( timestamp <= time(NULL) || timestamp == 0 )
+					ShowNotice("Char-server '%s': Error of ban request (account: %d, new date unbans the account, ip: %s).\n", server[id].name, account_id, ip);
+				else
+				{
+					unsigned char buf[16];
+					char tmpstr[2048];
+					strftime(tmpstr, 24, login_config.date_format, localtime(&timestamp));
+					ShowNotice("Char-server '%s': Ban request (account: %d, new final date of banishment: %d (%s), ip: %s).\n", server[id].name, account_id, timestamp, tmpstr, ip);
+					WBUFW(buf,0) = 0x2731;
+					WBUFL(buf,2) = auth_dat[i].account_id;
+					WBUFB(buf,6) = 1; // 0: change of status, 1: ban
+					WBUFL(buf,7) = (unsigned int)timestamp; // status or final date of a banishment
+					charif_sendallwos(-1, buf, 11);
+					auth_dat[i].unban_time = timestamp;
+					// Save
+					mmo_auth_sync();
+				}
+			}
+		}
+		break;
+
+		case 0x2727: // Change of sex (sex is reversed)
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+		{
+			int account_id = RFIFOL(fd,2);
+			RFIFOSKIP(fd,6);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+				ShowNotice("Char-server '%s': Error of sex change (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
+			else
+			if( auth_dat[i].sex == 'S' )
+				ShowNotice("Char-server '%s': Error of sex change - account to change is a Server account (account: %d, ip: %s).\n", server[id].name, account_id, ip);
+			else
+			{
+				unsigned char buf[7];
+				char sex = ( auth_dat[i].sex == 'M' ) ? 'F' : 'M'; //Change gender
+
+				auth_dat[i].sex = sex;
+
+				ShowNotice("Char-server '%s': Sex change (account: %d, new sex %c, ip: %s).\n", server[id].name, account_id, sex, ip);
+				WBUFW(buf,0) = 0x2723;
+				WBUFL(buf,2) = account_id;
+				WBUFB(buf,6) = sex_str2num(sex);
+				charif_sendallwos(-1, buf, 7);
+				// Save
+				mmo_auth_sync();
+			}
+		}
+		break;
+
+		case 0x2728:	// We receive account_reg2 from a char-server, and we send them to other map-servers.
+			if( RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2) )
+				return 0;
+		{
+			int acc = RFIFOL(fd,4);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == acc );
+			if( i == auth_num )
+				ShowStatus("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d not found, ip: %s).\n", server[id].name, acc, ip);
+			else
+			{
+				int len;
+				int p;
+				ShowNotice("char-server '%s': receiving (from the char-server) of account_reg2 (account: %d, ip: %s).\n", server[id].name, acc, ip);
+				for(j=0,p=13;j<ACCOUNT_REG2_NUM && p<RFIFOW(fd,2);j++){
+					sscanf((char*)RFIFOP(fd,p), "%31c%n",auth_dat[i].account_reg2[j].str,&len);
+					auth_dat[i].account_reg2[j].str[len]='\0';
+					p +=len+1; //+1 to skip the '\0' between strings.
+					sscanf((char*)RFIFOP(fd,p), "%255c%n",auth_dat[i].account_reg2[j].value,&len);
+					auth_dat[i].account_reg2[j].value[len]='\0';
+					p +=len+1;
+					remove_control_chars(auth_dat[i].account_reg2[j].str);
+					remove_control_chars(auth_dat[i].account_reg2[j].value);
+				}
+				auth_dat[i].account_reg2_num = j;
+
+				// Sending information towards the other char-servers.
+				RFIFOW(fd,0) = 0x2729;// reusing read buffer
+				charif_sendallwos(fd, RFIFOP(fd,0), RFIFOW(fd,2));
+				RFIFOSKIP(fd,RFIFOW(fd,2));
+
+				// Save
+				mmo_auth_sync();
+			}
+
+		}
+		break;
+
+		case 0x272a:	// Receiving of map-server via char-server an unban request
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+		{
+			int account_id = RFIFOL(fd,2);
+			RFIFOSKIP(fd,6);
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+				ShowNotice("Char-server '%s': Error of UnBan request (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
+			else
+			if( auth_dat[i].unban_time == 0 )
+				ShowNotice("Char-server '%s': Error of UnBan request (account: %d, no change for unban date, ip: %s).\n", server[id].name, account_id, ip);
+			else
+			{
+				auth_dat[i].unban_time = 0;
+				ShowNotice("Char-server '%s': UnBan request (account: %d, ip: %s).\n", server[id].name, account_id, ip);
+			}
+		}
+		break;
+
+		case 0x272b:    // Set account_id to online [Wizputer]
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+			add_online_user(id, RFIFOL(fd,2));
+			RFIFOSKIP(fd,6);
+		break;
+
+		case 0x272c:   // Set account_id to offline [Wizputer]
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+			remove_online_user(RFIFOL(fd,2));
+			RFIFOSKIP(fd,6);
+		break;
+
+		case 0x272d:	// Receive list of all online accounts. [Skotlex]
+			if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2))
+				return 0;
+			if( login_config.online_check )
+			{
+				struct online_login_data *p;
+				int aid;
+				uint32 i, users;
+				online_db->foreach(online_db, online_db_setoffline, id); //Set all chars from this char-server offline first
+				users = RFIFOW(fd,4);
+				for (i = 0; i < users; i++) {
+					aid = RFIFOL(fd,6+i*4);
+					p = (struct online_login_data*)idb_ensure(online_db, aid, create_online_user);
+					p->char_server = id;
+					if (p->waiting_disconnect != -1)
+					{
+						delete_timer(p->waiting_disconnect, waiting_disconnect_timer);
+						p->waiting_disconnect = -1;
+					}
+				}
+			}
+			RFIFOSKIP(fd,RFIFOW(fd,2));
+		break;
+
+		case 0x272e: //Request account_reg2 for a character.
+			if (RFIFOREST(fd) < 10)
+				return 0;
+		{
+			size_t off;
+
+			int account_id = RFIFOL(fd,2);
+			int char_id = RFIFOL(fd,6);
+			RFIFOSKIP(fd,10);
+
+			WFIFOHEAD(fd,10000);
+			WFIFOW(fd,0) = 0x2729;
+			WFIFOL(fd,4) = account_id;
+			WFIFOL(fd,8) = char_id;
+			WFIFOB(fd,12) = 1; //Type 1 for Account2 registry
+
+			ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id );
+			if( i == auth_num )
+			{
+				//Account not found? Send at least empty data, map servers need a reply!
+				WFIFOW(fd,2) = 13;
+				WFIFOSET(fd,WFIFOW(fd,2));
+				break;
+			}
+
+			for( off = 13, j = 0; j < auth_dat[i].account_reg2_num && off < 9000; j++ )
+			{
+				if( auth_dat[i].account_reg2[j].str[0] != '\0' )
+				{
+					off += sprintf((char*)WFIFOP(fd,off), "%s", auth_dat[i].account_reg2[j].str)+1; //We add 1 to consider the '\0' in place.
+					off += sprintf((char*)WFIFOP(fd,off), "%s", auth_dat[i].account_reg2[j].value)+1;
+				}
+			}
+
+			if( off >= 9000 )
+				ShowWarning("Too many account2 registries for AID %d. Some registries were not sent.\n", account_id);
+
+			WFIFOW(fd,2) = (uint16)off;
+			WFIFOSET(fd,WFIFOW(fd,2));
+		}
+		break;
+
+		case 0x2736: // WAN IP update from char-server
+			if( RFIFOREST(fd) < 6 )
+				return 0;
+			server[id].ip = ntohl(RFIFOL(fd,2));
+			ShowInfo("Updated IP of Server #%d to %d.%d.%d.%d.\n",id, CONVIP(server[id].ip));
+			RFIFOSKIP(fd,6);
+		break;
+
+		case 0x2737: //Request to set all offline.
+			ShowInfo("Setting accounts from char-server %d offline.\n", id);
+			online_db->foreach(online_db, online_db_setoffline, id);
+			RFIFOSKIP(fd,2);
+		break;
+
+		default:
+			ShowError("parse_fromchar: Unknown packet 0x%x from a char-server! Disconnecting!\n", command);
+			set_eof(fd);
+			return 0;
+		} // switch
+	} // while
+
+	RFIFOSKIP(fd,RFIFOREST(fd));
+	return 0;
+}
+
+//--------------------------------------------
+// Test to know if an IP come from LAN or WAN.
+//--------------------------------------------
+int lan_subnetcheck(uint32 ip)
+{
+	int i;
+	ARR_FIND( 0, subnet_count, i, (subnet[i].char_ip & subnet[i].mask) == (ip & subnet[i].mask) );
+	return ( i < subnet_count ) ? subnet[i].char_ip : 0;
+}
+
+void login_auth_ok(struct login_session_data* sd)
+{
+	int fd = sd->fd;
+	uint32 ip = session[fd]->client_addr;
+
+	uint8 server_num, n;
+	uint32 subnet_char_ip;
+	struct auth_node* node;
+	int i;
+
+	sd->level = isGM(sd->account_id);
+
+	if( sd->level < login_config.min_level_to_connect )
+	{
+		ShowStatus("Connection refused: the minimum GM level for connection is %d (account: %s, GM level: %d).\n", login_config.min_level_to_connect, sd->userid, sd->level);
+		WFIFOHEAD(fd,3);
+		WFIFOW(fd,0) = 0x81;
+		WFIFOB(fd,2) = 1; // 01 = Server closed
+		WFIFOSET(fd,3);
+		return;
+	}
+
+	server_num = 0;
+	for( i = 0; i < MAX_SERVERS; ++i )
+		if( session_isValid(server[i].fd) )
+			server_num++;
+
+	if( server_num == 0 )
+	{// if no char-server, don't send void list of servers, just disconnect the player with proper message
+		ShowStatus("Connection refused: there is no char-server online (account: %s).\n", sd->userid);
+		WFIFOHEAD(fd,3);
+		WFIFOW(fd,0) = 0x81;
+		WFIFOB(fd,2) = 1; // 01 = Server closed
+		WFIFOSET(fd,3);
+		return;
+	}
+
+	if( login_config.online_check )
+	{
+		struct online_login_data* data = (struct online_login_data*)idb_get(online_db, sd->account_id);
+		if( data )
+		{// account is already marked as online!
+			if( data->char_server > -1 )
+			{// Request char servers to kick this account out. [Skotlex]
+				uint8 buf[6];
+				ShowNotice("User '%s' is already online - Rejected.\n", sd->userid);
+				WBUFW(buf,0) = 0x2734;
+				WBUFL(buf,2) = sd->account_id;
+				charif_sendallwos(-1, buf, 6);
+				if( data->waiting_disconnect == -1 )
+					data->waiting_disconnect = add_timer(gettick()+AUTH_TIMEOUT, waiting_disconnect_timer, sd->account_id, 0);
+
+				WFIFOHEAD(fd,3);
+				WFIFOW(fd,0) = 0x81;
+				WFIFOB(fd,2) = 8; // 08 = Server still recognizes your last login
+				WFIFOSET(fd,3);
+				return;
+			}
+			else
+			if( data->char_server == -1 )
+			{// client has authed but did not access char-server yet
+				// wipe previous session
+				idb_remove(auth_db, sd->account_id);
+				remove_online_user(sd->account_id);
+				data = NULL;
+			}
+		}
+	}
+
+	if( sd->level > 0 )
+		ShowStatus("Connection of the GM (level:%d) account '%s' accepted.\n", sd->level, sd->userid);
+	else
+		ShowStatus("Connection of the account '%s' accepted.\n", sd->userid);
+
+	WFIFOHEAD(fd,47+32*server_num);
+	WFIFOW(fd,0) = 0x69;
+	WFIFOW(fd,2) = 47+32*server_num;
+	WFIFOL(fd,4) = sd->login_id1;
+	WFIFOL(fd,8) = sd->account_id;
+	WFIFOL(fd,12) = sd->login_id2;
+	WFIFOL(fd,16) = 0; // in old version, that was for ip (not more used)
+	//memcpy(WFIFOP(fd,20), sd->lastlogin, 24); // in old version, that was for name (not more used)
+	WFIFOW(fd,44) = 0; // unknown
+	WFIFOB(fd,46) = sex_str2num(sd->sex);
+	for( i = 0, n = 0; i < MAX_SERVERS; ++i )
+	{
+		if( !session_isValid(server[i].fd) )
+			continue;
+
+		subnet_char_ip = lan_subnetcheck(ip); // Advanced subnet check [LuzZza]
+		WFIFOL(fd,47+n*32) = htonl((subnet_char_ip) ? subnet_char_ip : server[i].ip);
+		WFIFOW(fd,47+n*32+4) = ntows(htons(server[i].port)); // [!] LE byte order here [!]
+		memcpy(WFIFOP(fd,47+n*32+6), server[i].name, 20);
+		WFIFOW(fd,47+n*32+26) = server[i].users;
+		WFIFOW(fd,47+n*32+28) = server[i].maintenance;
+		WFIFOW(fd,47+n*32+30) = server[i].new_;
+		n++;
+	}
+	WFIFOSET(fd,47+32*server_num);
+
+	// create temporary auth entry
+	CREATE(node, struct auth_node, 1);
+	node->account_id = sd->account_id;
+	node->login_id1 = sd->login_id1;
+	node->login_id2 = sd->login_id2;
+	node->sex = sd->sex;
+	node->ip = ip;
+	idb_put(auth_db, sd->account_id, node);
+
+	if( login_config.online_check )
+	{
+		struct online_login_data* data;
+
+		// mark client as 'online'
+		data = add_online_user(-1, sd->account_id);
+
+		// schedule deletion of this node
+		data->waiting_disconnect = add_timer(gettick()+AUTH_TIMEOUT, waiting_disconnect_timer, sd->account_id, 0);
+	}
+}
+
+void login_auth_failed(struct login_session_data* sd, int result)
+{
+	int fd = sd->fd;
+
+	WFIFOHEAD(fd,23);
+	WFIFOW(fd,0) = 0x6a;
+	WFIFOB(fd,2) = (uint8)result;
+	if( result != 6 )
+		memset(WFIFOP(fd,3), '\0', 20);
+	else
+	{// 6 = Your are Prohibited to log in until %s
+		char tmpstr[20];
+		int i = search_account_index(sd->userid);
+		time_t unban_time = ( i >= 0 ) ? auth_dat[i].unban_time : 0;
+		strftime(tmpstr, 20, login_config.date_format, localtime(&unban_time));
+		safestrncpy((char*)WFIFOP(fd,3), tmpstr, 20); // ban timestamp goes here
+	}
+	WFIFOSET(fd,23);
+}
+
+//----------------------------------------------------------------------------------------
+// Default packet parsing (normal players or administation/char-server connection requests)
+//----------------------------------------------------------------------------------------
+int parse_login(int fd)
+{
+	struct login_session_data* sd = session[fd]->session_data;
+	int result;
+	uint32 ipl;
+	char ip[16];
+
+	if( session[fd]->flag.eof )
+	{
+		do_close(fd);
+		return 0;
+	}
+
+	if( sd == NULL ) {
+		sd = CREATE(session[fd]->session_data, struct login_session_data, 1);
+		sd->fd = fd;
+	}
+
+	ipl = session[fd]->client_addr;
+	ip2str(ipl, ip);
+
+	while( RFIFOREST(fd) >= 2 )
+	{
+		uint16 command = RFIFOW(fd,0);
+
+		switch( command )
+		{
+
+		case 0x0200:		// New alive packet: structure: 0x200 <account.userid>.24B. used to verify if client is always alive.
+			if (RFIFOREST(fd) < 26)
+				return 0;
+			RFIFOSKIP(fd,26);
+		break;
+
+		case 0x0204:		// New alive packet: structure: 0x204 <encrypted.account.userid>.16B. (new ragexe from 22 june 2004)
+			if (RFIFOREST(fd) < 18)
+				return 0;
+			RFIFOSKIP(fd,18);
+		break;
+
+		case 0x0064:		// request client login
+		case 0x01dd:		// request client login (encryption mode)
+		case 0x0277:		// New login packet (kRO 2006-04-24aSakexe langtype 0)
+		case 0x02b0:		// New login packet (kRO 2007-05-14aSakexe langtype 0)
+		{
+			size_t packet_len = RFIFOREST(fd); // assume no other packet was sent
+
+			if( (command == 0x0064 && packet_len < 55)
+			||  (command == 0x01dd && packet_len < 47)
+			||  (command == 0x0277 && packet_len < 84)
+			||  (command == 0x02b0 && packet_len < 85) )
+				return 0;
+
+			// S 0064 <version>.l <account name>.24B <password>.24B <version2>.B
+			// S 01dd <version>.l <account name>.24B <md5 binary>.16B <version2>.B
+			// S 0277 <version>.l <account name>.24B <password>.24B <junk?>.29B <version2>.B
+			// S 02b0 <version>.l <account name>.24B <password>.24B <junk?>.30B <version2>.B
+
+			sd->version = RFIFOL(fd,2);
+			safestrncpy(sd->userid, (char*)RFIFOP(fd,6), NAME_LENGTH); remove_control_chars(sd->userid);
+			if (command != 0x01dd) {
+				ShowStatus("Request for connection of %s (ip: %s).\n", sd->userid, ip);
+				safestrncpy(sd->passwd, (char*)RFIFOP(fd,30), NAME_LENGTH); remove_control_chars(sd->passwd);
+				sd->passwdenc = 0;
+			} else {
+				ShowStatus("Request for connection (encryption mode) of %s (ip: %s).\n", sd->userid, ip);
+				memcpy(sd->passwd, RFIFOP(fd,30), 16); sd->passwd[16] = '\0'; // raw binary data here!
+				sd->passwdenc = PASSWORDENC;
+			}
+			RFIFOSKIP(fd,packet_len);
+
+			result = mmo_auth(sd);
+
+			if( result == -1 )
+				login_auth_ok(sd);
+			else
+				login_auth_failed(sd, result);
+		}
+		break;
+
+		case 0x01db:	// Sending request of the coding key
+		case 0x791a:	// Sending request of the coding key (administration packet)
+			RFIFOSKIP(fd,2);
+		{
+			unsigned int i;
+
+			memset(sd->md5key, '\0', sizeof(sd->md5key));
+			sd->md5keylen = (uint16)(12 + rand() % 4);
+			for( i = 0; i < sd->md5keylen; ++i )
+				sd->md5key[i] = (char)(1 + rand() % 255);
+
+			WFIFOHEAD(fd,4 + sd->md5keylen);
+			WFIFOW(fd,0) = 0x01dc;
+			WFIFOW(fd,2) = 4 + sd->md5keylen;
+			memcpy(WFIFOP(fd,4), sd->md5key, sd->md5keylen);
+			WFIFOSET(fd,WFIFOW(fd,2));
+		}
+		break;
+
+		case 0x2710:	// Connection request of a char-server
+			if (RFIFOREST(fd) < 86)
+				return 0;
+		{
+			char server_name[20];
+			uint32 server_ip;
+			uint16 server_port;
+			uint16 maintenance;
+			uint16 new_;
+
+			safestrncpy(sd->userid, (char*)RFIFOP(fd,2), NAME_LENGTH); //remove_control_chars(account.userid);
+			safestrncpy(sd->passwd, (char*)RFIFOP(fd,26), NAME_LENGTH); //remove_control_chars(account.passwd);
+			sd->passwdenc = 0;
+			sd->version = login_config.client_version_to_connect; // hack to skip version check
+
+			server_ip = ntohl(RFIFOL(fd,54));
+			server_port = ntohs(RFIFOW(fd,58));
+
+			safestrncpy(server_name, (char*)RFIFOP(fd,60), 20); remove_control_chars(server_name);
+			maintenance = RFIFOW(fd,82);
+			new_ = RFIFOW(fd,84);
+			RFIFOSKIP(fd,86);
+
+			ShowInfo("Connection request of the char-server '%s' @ %d.%d.%d.%d:%d (account: '%s', pass: '%s', ip: '%s')\n", server_name, CONVIP(server_ip), server_port, sd->userid, sd->passwd, ip);
+
+			result = mmo_auth(sd);
+			if( result == -1 && sd->sex == 'S' && sd->account_id < MAX_SERVERS && server[sd->account_id].fd == -1 )
+			{
+				ShowStatus("Connection of the char-server '%s' accepted.\n", server_name);
+				safestrncpy(server[sd->account_id].name, server_name, sizeof(server[sd->account_id].name));
+				server[sd->account_id].fd = fd;
+				server[sd->account_id].ip = server_ip;
+				server[sd->account_id].port = server_port;
+				server[sd->account_id].users = 0;
+				server[sd->account_id].maintenance = maintenance;
+				server[sd->account_id].new_ = new_;
+
+				session[fd]->func_parse = parse_fromchar;
+				session[fd]->flag.server = 1;
+				realloc_fifo(fd, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK);
+
+				// send connection success
+				WFIFOHEAD(fd,3);
+				WFIFOW(fd,0) = 0x2711;
+				WFIFOB(fd,2) = 0;
+				WFIFOSET(fd,3);
+
+				// send GM account to char-server
+				send_GM_accounts(fd);
+			}
+			else
+			{
+				ShowNotice("Connection of the char-server '%s' REFUSED.\n", server_name);
+				WFIFOHEAD(fd,3);
+				WFIFOW(fd,0) = 0x2711;
+				WFIFOB(fd,2) = 3;
+				WFIFOSET(fd,3);
+			}
+		}
+		return 0; // processing will continue elsewhere
+
+		case 0x7530:	// Server version information request
+			ShowStatus("Sending server version information to ip: %s\n", ip);
+			RFIFOSKIP(fd,2);
+			WFIFOHEAD(fd,10);
+			WFIFOW(fd,0) = 0x7531;
+			WFIFOB(fd,2) = ATHENA_MAJOR_VERSION;
+			WFIFOB(fd,3) = ATHENA_MINOR_VERSION;
+			WFIFOB(fd,4) = ATHENA_REVISION;
+			WFIFOB(fd,5) = ATHENA_RELEASE_FLAG;
+			WFIFOB(fd,6) = ATHENA_OFFICIAL_FLAG;
+			WFIFOB(fd,7) = ATHENA_SERVER_LOGIN;
+			WFIFOW(fd,8) = ATHENA_MOD_VERSION;
+			WFIFOSET(fd,10);
+		break;
+
+		case 0x7918:	// Request for administation login
+			if ((int)RFIFOREST(fd) < 4 || (int)RFIFOREST(fd) < ((RFIFOW(fd,2) == 0) ? 28 : 20))
+				return 0;
+			WFIFOW(fd,0) = 0x7919;
+			WFIFOB(fd,2) = 1;
+			if( session[fd]->client_addr != admin_allowed_ip ) {
+				ShowNotice("'ladmin'-login: Connection in administration mode refused: IP isn't authorised (ladmin_allow, ip: %s).\n", ip);
+			} else {
+				struct login_session_data *ld = (struct login_session_data*)session[fd]->session_data;
+				if (RFIFOW(fd,2) == 0) {	// non encrypted password
+					char password[25];
+					memcpy(password, RFIFOP(fd,4), 24);
+					password[24] = '\0';
+					remove_control_chars(password);
+					if( !admin_state )
+						ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (non encrypted password: %s, ip: %s)\n", password, ip);
+					else
+					if( strcmp(password, admin_pass) != 0)
+						ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - invalid password (non encrypted password: %s, ip: %s)\n", password, ip);
+					else {
+						// If remote administration is enabled and password sent by client matches password read from login server configuration file
+						ShowNotice("'ladmin'-login: Connection in administration mode accepted (non encrypted password: %s, ip: %s)\n", password, ip);
+						WFIFOB(fd,2) = 0;
+						session[fd]->func_parse = parse_admin;
+					}
+				} else {	// encrypted password
+					if (!ld)
+						ShowError("'ladmin'-login: error! MD5 key not created/requested for an administration login.\n");
+					else {
+						char md5str[64] = "", md5bin[32];
+						if (RFIFOW(fd,2) == 1) {
+							sprintf(md5str, "%s%s", ld->md5key, admin_pass); // 20 24
+						} else if (RFIFOW(fd,2) == 2) {
+							sprintf(md5str, "%s%s", admin_pass, ld->md5key); // 24 20
+						}
+						MD5_String2binary(md5str, md5bin);
+						if( !admin_state )
+							ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (encrypted password, ip: %s)\n", ip);
+						else
+						if( memcmp(md5bin, RFIFOP(fd,4), 16) != 0 )
+							ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - invalid password (encrypted password, ip: %s)\n", ip);
+						else {
+							// If remote administration is enabled and password hash sent by client matches hash of password read from login server configuration file
+							ShowNotice("'ladmin'-login: Connection in administration mode accepted (encrypted password, ip: %s)\n", ip);
+							ShowNotice("Connection of a remote administration accepted (encrypted password).\n");
+							WFIFOB(fd,2) = 0;
+							session[fd]->func_parse = parse_admin;
+						}
+					}
+				}
+			}
+			WFIFOSET(fd,3);
+
+			RFIFOSKIP(fd, (RFIFOW(fd,2) == 0) ? 28 : 20);
+		break;
+
+		default:
+			ShowNotice("Abnormal end of connection (ip: %s): Unknown packet 0x%x\n", ip, command);
+			set_eof(fd);
+			return 0;
+		}
+	}
+
+	RFIFOSKIP(fd,RFIFOREST(fd));
+	return 0;
+}
+
+//-----------------------
+// Console Command Parser [Wizputer]
+//-----------------------
+int parse_console(char* buf)
+{
+	char command[256];
+
+	memset(command, 0, sizeof(command));
+
+	sscanf(buf, "%[^\n]", command);
+
+	ShowInfo("Console command :%s", command);
+
+	if( strcmpi("shutdown", command) == 0 ||
+	    strcmpi("exit", command) == 0 ||
+	    strcmpi("quit", command) == 0 ||
+	    strcmpi("end", command) == 0 )
+		runflag = 0;
+	else
+	if( strcmpi("alive", command) == 0 ||
+	    strcmpi("status", command) == 0 )
+		ShowInfo(CL_CYAN"Console: "CL_BOLD"I'm Alive."CL_RESET"\n");
+	else
+	if( strcmpi("help", command) == 0 ) {
+		ShowInfo(CL_BOLD"Help of commands:"CL_RESET"\n");
+		ShowInfo("  To shutdown the server:\n");
+		ShowInfo("  'shutdown|exit|quit|end'\n");
+		ShowInfo("  To know if server is alive:\n");
+		ShowInfo("  'alive|status'\n");
+	}
+
+	return 0;
+}
+
+static int online_data_cleanup_sub(DBKey key, void *data, va_list ap)
+{
+	struct online_login_data *character= (struct online_login_data*)data;
+	if (character->char_server == -2) //Unknown server.. set them offline
+		remove_online_user(character->account_id);
+	return 0;
+}
+
+static int online_data_cleanup(int tid, unsigned int tick, int id, int data)
+{
+	online_db->foreach(online_db, online_data_cleanup_sub);
+	return 0;
+} 
+
+//----------------------------------
+// Reading Lan Support configuration
+//----------------------------------
+int login_lan_config_read(const char *lancfgName)
+{
+	FILE *fp;
+	int line_num = 0;
+	char line[1024], w1[64], w2[64], w3[64], w4[64];
+
+	if((fp = fopen(lancfgName, "r")) == NULL) {
+		ShowWarning("LAN Support configuration file is not found: %s\n", lancfgName);
+		return 1;
+	}
+
+	ShowInfo("Reading the configuration file %s...\n", lancfgName);
+
+	while(fgets(line, sizeof(line), fp))
+	{
+		line_num++;
+		if ((line[0] == '/' && line[1] == '/') || line[0] == '\n' || line[1] == '\n')
+			continue;
+
+		if(sscanf(line,"%[^:]: %[^:]:%[^:]:%[^\r\n]", w1, w2, w3, w4) != 4)
+		{
+			ShowWarning("Error syntax of configuration file %s in line %d.\n", lancfgName, line_num);
+			continue;
+		}
+
+		if( strcmpi(w1, "subnet") == 0 )
+		{
+			subnet[subnet_count].mask = str2ip(w2);
+			subnet[subnet_count].char_ip = str2ip(w3);
+			subnet[subnet_count].map_ip = str2ip(w4);
+
+			if( (subnet[subnet_count].char_ip & subnet[subnet_count].mask) != (subnet[subnet_count].map_ip & subnet[subnet_count].mask) )
+			{
+				ShowError("%s: Configuration Error: The char server (%s) and map server (%s) belong to different subnetworks!\n", lancfgName, w3, w4);
+				continue;
+			}
+
+			subnet_count++;
+		}
+	}
+
+	ShowStatus("Read information about %d subnetworks.\n", subnet_count);
+
+	fclose(fp);
+	return 0;
+}
+
+//-----------------------------------
+// Reading main configuration file
+//-----------------------------------
+int login_config_read(const char* cfgName)
+{
+	char line[1024], w1[1024], w2[1024];
+	FILE* fp = fopen(cfgName, "r");
+	if (fp == NULL) {
+		ShowError("Configuration file (%s) not found.\n", cfgName);
+		return 1;
+	}
+	ShowInfo("Reading configuration file %s...\n", cfgName);
+	while(fgets(line, sizeof(line), fp))
+	{
+		if (line[0] == '/' && line[1] == '/')
+			continue;
+
+		if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) < 2)
+			continue;
+
+		if(!strcmpi(w1,"timestamp_format"))
+			strncpy(timestamp_format, w2, 20);
+		else if(!strcmpi(w1,"stdout_with_ansisequence"))
+			stdout_with_ansisequence = config_switch(w2);
+		else if(!strcmpi(w1,"console_silent")) {
+			ShowInfo("Console Silent Setting: %d\n", atoi(w2));
+			msg_silent = atoi(w2);
+		}
+		else if( !strcmpi(w1, "bind_ip") ) {
+			char ip_str[16];
+			login_config.login_ip = host2ip(w2);
+			if( login_config.login_ip )
+				ShowStatus("Login server binding IP address : %s -> %s\n", w2, ip2str(login_config.login_ip, ip_str));
+		}
+		else if( !strcmpi(w1, "login_port") ) {
+			login_config.login_port = (uint16)atoi(w2);
+			ShowStatus("set login_port : %s\n",w2);
+		}
+		else if(!strcmpi(w1, "log_login"))
+			login_config.log_login = (bool)config_switch(w2);
+
+		else if (strcmpi(w1, "admin_state") == 0) {
+			admin_state = (bool)config_switch(w2);
+		} else if (strcmpi(w1, "admin_pass") == 0) {
+			memset(admin_pass, 0, sizeof(admin_pass));
+			strncpy(admin_pass, w2, sizeof(admin_pass));
+			admin_pass[sizeof(admin_pass)-1] = '\0';
+		} else if (strcmpi(w1, "admin_allowed_ip") == 0)
+			admin_allowed_ip = host2ip(w2);
+		else if (strcmpi(w1, "account_txt") == 0) {
+			safestrncpy(account_txt, w2, sizeof(account_txt));
+		} else if (strcmpi(w1, "gm_account_filename") == 0) {
+			memset(GM_account_filename, 0, sizeof(GM_account_filename));
+			strncpy(GM_account_filename, w2, sizeof(GM_account_filename));
+			GM_account_filename[sizeof(GM_account_filename)-1] = '\0';
+		}
+		else if (strcmpi(w1, "gm_account_filename_check_timer") == 0)
+			gm_account_filename_check_timer = atoi(w2);
+
+		else if(!strcmpi(w1, "new_account"))
+			login_config.new_account_flag = (bool)config_switch(w2);
+		else if(!strcmpi(w1, "start_limited_time"))
+			login_config.start_limited_time = atoi(w2);
+		else if(!strcmpi(w1, "check_client_version"))
+			login_config.check_client_version = (bool)config_switch(w2);
+		else if(!strcmpi(w1, "client_version_to_connect"))
+			login_config.client_version_to_connect = atoi(w2);
+		else if(!strcmpi(w1, "use_MD5_passwords"))
+			login_config.use_md5_passwds = (bool)config_switch(w2);
+		else if(!strcmpi(w1, "min_level_to_connect"))
+			login_config.min_level_to_connect = atoi(w2);
+		else if(!strcmpi(w1, "date_format"))
+			safestrncpy(login_config.date_format, w2, sizeof(login_config.date_format));
+		else if(!strcmpi(w1, "console"))
+			login_config.console = (bool)config_switch(w2);
+//		else if(!strcmpi(w1, "case_sensitive"))
+//			login_config.case_sensitive = config_switch(w2);
+		else if(!strcmpi(w1, "allowed_regs")) //account flood protection system
+			allowed_regs = atoi(w2);
+		else if(!strcmpi(w1, "time_allowed"))
+			time_allowed = atoi(w2);
+		else if(!strcmpi(w1, "online_check"))
+			login_config.online_check = (bool)config_switch(w2);
+		else if(!strcmpi(w1, "use_dnsbl"))
+			login_config.use_dnsbl = (bool)config_switch(w2);
+		else if(!strcmpi(w1, "dnsbl_servers"))
+			safestrncpy(login_config.dnsbl_servs, w2, sizeof(login_config.dnsbl_servs));
+		else if(!strcmpi(w1, "ip_sync_interval"))
+			login_config.ip_sync_interval = (unsigned int)1000*60*atoi(w2); //w2 comes in minutes.
+		else if(!strcmpi(w1, "import"))
+			login_config_read(w2);
+	}
+	fclose(fp);
+	ShowInfo("Finished reading %s.\n", cfgName);
+	return 0;
+}
+
+//-------------------------------------
+// Displaying of configuration warnings
+//-------------------------------------
+void display_conf_warnings(void)
+{
+	if( admin_state ) {
+		if (admin_pass[0] == '\0') {
+			ShowWarning("Administrator password is void (admin_pass).\n");
+		} else if (strcmp(admin_pass, "admin") == 0) {
+			ShowWarning("You are using the default administrator password (admin_pass).\n");
+			ShowWarning("  We highly recommend that you change it.\n");
+		}
+	}
+
+	if (gm_account_filename_check_timer < 0) {
+		ShowWarning("Invalid value for gm_account_filename_check_timer parameter. Setting to 15 sec (default).\n");
+		gm_account_filename_check_timer = 15;
+	} else if (gm_account_filename_check_timer == 1) {
+		ShowWarning("Invalid value for gm_account_filename_check_timer parameter. Setting to 2 sec (minimum value).\n");
+		gm_account_filename_check_timer = 2;
+	}
+
+	if (login_config.min_level_to_connect < 0) { // 0: all players, 1-99 at least gm level x
+		ShowWarning("Invalid value for min_level_to_connect (%d) parameter -> setting 0 (any player).\n", login_config.min_level_to_connect);
+		login_config.min_level_to_connect = 0;
+	} else if (login_config.min_level_to_connect > 99) { // 0: all players, 1-99 at least gm level x
+		ShowWarning("Invalid value for min_level_to_connect (%d) parameter -> setting to 99 (only GM level 99)\n", login_config.min_level_to_connect);
+		login_config.min_level_to_connect = 99;
+	}
+
+	if (login_config.start_limited_time < -1) { // -1: create unlimited account, 0 or more: additionnal sec from now to create limited time
+		ShowWarning("Invalid value for start_limited_time parameter\n");
+		ShowWarning("  -> setting to -1 (new accounts are created with unlimited time).\n");
+		login_config.start_limited_time = -1;
+	}
+
+	return;
+}
+
+void login_set_defaults()
+{
+	login_config.login_ip = INADDR_ANY;
+	login_config.login_port = 6900;
+	login_config.ip_sync_interval = 0;
+	login_config.log_login = true;
+	safestrncpy(login_config.date_format, "%Y-%m-%d %H:%M:%S", sizeof(login_config.date_format));
+	login_config.console = false;
+	login_config.new_account_flag = true;
+//	login_config.case_sensitive = true;
+	login_config.use_md5_passwds = false;
+//	login_config.login_gm_read = true;
+	login_config.min_level_to_connect = 0;
+	login_config.online_check = true;
+	login_config.check_client_version = false;
+	login_config.client_version_to_connect = 20;
+
+//	login_config.ipban = true;
+//	login_config.dynamic_pass_failure_ban = true;
+//	login_config.dynamic_pass_failure_ban_interval = 5;
+//	login_config.dynamic_pass_failure_ban_limit = 7;
+//	login_config.dynamic_pass_failure_ban_duration = 5;
+	login_config.use_dnsbl = false;
+	safestrncpy(login_config.dnsbl_servs, "", sizeof(login_config.dnsbl_servs));
+}
+
+//--------------------------------------
+// Function called at exit of the server
+//--------------------------------------
+void do_final(void)
+{
+	int i, fd;
+	ShowStatus("Terminating...\n");
+
+	mmo_auth_sync();
+	online_db->destroy(online_db, NULL);
+	auth_db->destroy(auth_db, NULL);
+
+	if(auth_dat) aFree(auth_dat);
+	if(gm_account_db) aFree(gm_account_db);
+
+	for (i = 0; i < MAX_SERVERS; i++) {
+		if ((fd = server[i].fd) >= 0) {
+			memset(&server[i], 0, sizeof(struct mmo_char_server));
+			server[i].fd = -1;
+			do_close(fd);
+		}
+	}
+	do_close(login_fd);
+
+	ShowStatus("Finished.\n");
+}
+
+//------------------------------
+// Function called when the server
+// has received a crash signal.
+//------------------------------
+void do_abort(void)
+{
+}
+
+void set_server_type(void)
+{
+	SERVER_TYPE = ATHENA_SERVER_LOGIN;
+}
+
+//------------------------------
+// Login server initialization
+//------------------------------
+int do_init(int argc, char** argv)
+{
+	int i;
+
+	login_set_defaults();
+
+	// read login-server configuration
+	login_config_read((argc > 1) ? argv[1] : LOGIN_CONF_NAME);
+	display_conf_warnings(); // not in login_config_read, because we can use 'import' option, and display same message twice or more
+	login_lan_config_read((argc > 2) ? argv[2] : LAN_CONF_NAME);
+
+	srand((unsigned int)time(NULL));
+
+	for( i = 0; i < MAX_SERVERS; i++ )
+		server[i].fd = -1;
+
+	// Accounts database init
+	mmo_auth_init();
+
+	// Online user database init
+	online_db = idb_alloc(DB_OPT_RELEASE_DATA);
+	add_timer_func_list(waiting_disconnect_timer, "waiting_disconnect_timer");
+
+	// Interserver auth init
+	auth_db = idb_alloc(DB_OPT_RELEASE_DATA);
+
+	// Read account information.
+	read_gm_account();
+
+	// set default parser as parse_login function
+	set_defaultparse(parse_login);
+
+	add_timer_func_list(check_auth_sync, "check_auth_sync");
+	add_timer_interval(gettick() + 60000, check_auth_sync, 0, 0, 60000); // every 60 sec we check if we must save accounts file (only if necessary to save)
+
+	// every x sec we check if gm file has been changed
+	if( gm_account_filename_check_timer ) {
+		add_timer_func_list(check_GM_file, "check_GM_file");
+		add_timer_interval(gettick() + gm_account_filename_check_timer * 1000, check_GM_file, 0, 0, gm_account_filename_check_timer * 1000); 
+	}
+
+	// every 10 minutes cleanup online account db.
+	add_timer_func_list(online_data_cleanup, "online_data_cleanup");
+	add_timer_interval(gettick() + 600*1000, online_data_cleanup, 0, 0, 600*1000);
+
+	// add timer to detect ip address change and perform update
+	if (login_config.ip_sync_interval) {
+		add_timer_func_list(sync_ip_addresses, "sync_ip_addresses");
+		add_timer_interval(gettick() + login_config.ip_sync_interval, sync_ip_addresses, 0, 0, login_config.ip_sync_interval);
+	}
+
+	if( login_config.console )
+	{
+		//##TODO invoke a CONSOLE_START plugin event
+	}
+
+	new_reg_tick = gettick();
+
+	// server port open & binding
+	login_fd = make_listen_bind(login_config.login_ip, login_config.login_port);
+
+	ShowStatus("The login-server is "CL_GREEN"ready"CL_RESET" (Server is listening on the port %u).\n\n", login_config.login_port);
+
+	return 0;
+}