/**
* This file is part of Hercules.
* http://herc.ws - http://github.com/HerculesWS/Hercules
*
* Copyright (C) 2012-2016 Hercules Dev Team
* Copyright (C) Athena Dev Teams
*
* Hercules is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define HERCULES_CORE
#include "login.h"
#include "login/HPMlogin.h"
#include "login/account.h"
#include "login/ipban.h"
#include "login/loginlog.h"
#include "login/lclif.h"
#include "common/HPM.h"
#include "common/cbasetypes.h"
#include "common/core.h"
#include "common/db.h"
#include "common/memmgr.h"
#include "common/md5calc.h"
#include "common/nullpo.h"
#include "common/random.h"
#include "common/showmsg.h"
#include "common/socket.h"
#include "common/strlib.h"
#include "common/timer.h"
#include "common/utils.h"
#include <stdio.h>
#include <stdlib.h>
/** @file
* Implementation of the login interface.
*/
struct login_interface login_s;
struct login_interface *login;
struct Login_Config login_config_;
struct mmo_char_server server[MAX_SERVERS]; // char server data
struct Account_engine account_engine[] = {
{account_db_sql, NULL}
};
// account database
AccountDB* accounts = NULL;
//-----------------------------------------------------
// Auth database
//-----------------------------------------------------
#define AUTH_TIMEOUT 30000
/**
* @see DBCreateData
*/
static struct DBData login_create_online_user(union 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 = INVALID_TIMER;
return DB->ptr2data(p);
}
struct online_login_data* login_add_online_user(int char_server, int account_id)
{
struct online_login_data* p;
p = idb_ensure(login->online_db, account_id, login->create_online_user);
p->char_server = char_server;
if( p->waiting_disconnect != INVALID_TIMER )
{
timer->delete(p->waiting_disconnect, login->waiting_disconnect_timer);
p->waiting_disconnect = INVALID_TIMER;
}
return p;
}
void login_remove_online_user(int account_id)
{
struct online_login_data* p;
p = (struct online_login_data*)idb_get(login->online_db, account_id);
if( p == NULL )
return;
if( p->waiting_disconnect != INVALID_TIMER )
timer->delete(p->waiting_disconnect, login->waiting_disconnect_timer);
idb_remove(login->online_db, account_id);
}
static int login_waiting_disconnect_timer(int tid, int64 tick, int id, intptr_t data) {
struct online_login_data* p = (struct online_login_data*)idb_get(login->online_db, id);
if( p != NULL && p->waiting_disconnect == tid && p->account_id == id )
{
p->waiting_disconnect = INVALID_TIMER;
login->remove_online_user(id);
idb_remove(login->auth_db, id);
}
return 0;
}
/**
* @see DBApply
*/
static int login_online_db_setoffline(union DBKey key, struct DBData *data, va_list ap)
{
struct online_login_data* p = DB->data2ptr(data);
int server_id = va_arg(ap, int);
nullpo_ret(p);
if( server_id == -1 )
{
p->char_server = -1;
if( p->waiting_disconnect != INVALID_TIMER )
{
timer->delete(p->waiting_disconnect, login->waiting_disconnect_timer);
p->waiting_disconnect = INVALID_TIMER;
}
}
else if( p->char_server == server_id )
p->char_server = -2; //Char server disconnected.
return 0;
}
/**
* @see DBApply
*/
static int login_online_data_cleanup_sub(union DBKey key, struct DBData *data, va_list ap)
{
struct online_login_data *character= DB->data2ptr(data);
nullpo_ret(character);
if (character->char_server == -2) //Unknown server.. set them offline
login->remove_online_user(character->account_id);
return 0;
}
static int login_online_data_cleanup(int tid, int64 tick, int id, intptr_t data) {
login->online_db->foreach(login->online_db, login->online_data_cleanup_sub);
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;
nullpo_ret(buf);
for( i = 0, c = 0; i < ARRAYLENGTH(server); ++i )
{
int fd = server[i].fd;
if (sockt->session_is_valid(fd) && fd != sfd) {
WFIFOHEAD(fd,len);
memcpy(WFIFOP(fd,0), buf, len);
WFIFOSET(fd,len);
++c;
}
}
return c;
}
/// Initializes a server structure.
void chrif_server_init(int id)
{
Assert_retv(id >= 0 && id < MAX_SERVERS);
memset(&server[id], 0, sizeof(server[id]));
server[id].fd = -1;
}
/// Destroys a server structure.
void chrif_server_destroy(int id)
{
Assert_retv(id >= 0 && id < MAX_SERVERS);
if (server[id].fd != -1)
{
sockt->close(server[id].fd);
server[id].fd = -1;
}
}
/// Resets all the data related to a server.
void chrif_server_reset(int id)
{
login->online_db->foreach(login->online_db, login->online_db_setoffline, id); //Set all chars from this char server to offline.
chrif_server_destroy(id);
chrif_server_init(id);
}
/// Called when the connection to Char Server is disconnected.
void chrif_on_disconnect(int id)
{
Assert_retv(id >= 0 && id < MAX_SERVERS);
ShowStatus("Char-server '%s' has disconnected.\n", server[id].name);
chrif_server_reset(id);
}
//-----------------------------------------------------
// periodic ip address synchronization
//-----------------------------------------------------
static int login_sync_ip_addresses(int tid, int64 tick, int id, intptr_t data) {
uint8 buf[2];
ShowInfo("IP Sync in progress...\n");
WBUFW(buf,0) = 0x2735;
charif_sendallwos(-1, buf, 2);
return 0;
}
//-----------------------------------------------------
// encrypted/unencrypted password check (from eApp)
//-----------------------------------------------------
bool login_check_encrypted(const char* str1, const char* str2, const char* passwd)
{
char tmpstr[64+1], md5str[32+1];
nullpo_ret(str1);
nullpo_ret(str2);
nullpo_ret(passwd);
safesnprintf(tmpstr, sizeof(tmpstr), "%s%s", str1, str2);
MD5_String(tmpstr, md5str);
return (0==strcmp(passwd, md5str));
}
bool login_check_password(const char* md5key, int passwdenc, const char* passwd, const char* refpass)
{
nullpo_ret(passwd);
nullpo_ret(refpass);
if(passwdenc == PWENC_NONE) {
return (0==strcmp(passwd, refpass));
} else {
// password mode set to PWENC_ENCRYPT -> md5(md5key, refpass) enable with <passwordencrypt></passwordencrypt>
// password mode set to PWENC_ENCRYPT2 -> md5(refpass, md5key) enable with <passwordencrypt2></passwordencrypt2>
return ((passwdenc&PWENC_ENCRYPT) && login->check_encrypted(md5key, refpass, passwd)) ||
((passwdenc&PWENC_ENCRYPT2) && login->check_encrypted(refpass, md5key, passwd));
}
}
/**
* Checks whether the given IP comes from LAN or WAN.
*
* @param ip IP address to check.
* @retval 0 if it is a WAN IP.
* @return the appropriate LAN server address to send, if it is a LAN IP.
*/
uint32 login_lan_subnet_check(uint32 ip)
{
return sockt->lan_subnet_check(ip, NULL);
}
void login_fromchar_auth_ack(int fd, int account_id, uint32 login_id1, uint32 login_id2, uint8 sex, int request_id, struct login_auth_node* node)
{
WFIFOHEAD(fd,33);
WFIFOW(fd,0) = 0x2713;
WFIFOL(fd,2) = account_id;
WFIFOL(fd,6) = login_id1;
WFIFOL(fd,10) = login_id2;
WFIFOB(fd,14) = sex;
if (node)
{
WFIFOB(fd,15) = 0;// ok
WFIFOL(fd,16) = request_id;
WFIFOL(fd,20) = node->version;
WFIFOB(fd,24) = node->clienttype;
WFIFOL(fd,25) = node->group_id;
WFIFOL(fd,29) = (unsigned int)node->expiration_time;
}
else
{
WFIFOB(fd,15) = 1;// auth failed
WFIFOL(fd,16) = request_id;
WFIFOL(fd,20) = 0;
WFIFOB(fd,24) = 0;
WFIFOL(fd,25) = 0;
WFIFOL(fd,29) = 0;
}
WFIFOSET(fd,33);
}
void login_fromchar_parse_auth(int fd, int id, const char *const ip)
{
struct login_auth_node* node;
int account_id = RFIFOL(fd,2);
uint32 login_id1 = RFIFOL(fd,6);
uint32 login_id2 = RFIFOL(fd,10);
uint8 sex = RFIFOB(fd,14);
//uint32 ip_ = ntohl(RFIFOL(fd,15));
int request_id = RFIFOL(fd,19);
RFIFOSKIP(fd,23);
node = (struct login_auth_node*)idb_get(login->auth_db, account_id);
if( core->runflag == LOGINSERVER_ST_RUNNING &&
node != NULL &&
node->account_id == account_id &&
node->login_id1 == login_id1 &&
node->login_id2 == login_id2 &&
node->sex == sex_num2str(sex) /*&&
node->ip == ip_*/ )
{// found
//ShowStatus("Char-server '%s': authentication of the account %d accepted (ip: %s).\n", server[id].name, account_id, ip);
// send ack
login->fromchar_auth_ack(fd, account_id, login_id1, login_id2, sex, request_id, node);
// each auth entry can only be used once
idb_remove(login->auth_db, account_id);
}
else
{// authentication not found
nullpo_retv(ip);
ShowStatus("Char-server '%s': authentication of the account %d REFUSED (ip: %s).\n", server[id].name, account_id, ip);
login->fromchar_auth_ack(fd, account_id, login_id1, login_id2, sex, request_id, NULL);
}
}
void login_fromchar_parse_update_users(int fd, int id)
{
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 = (uint16)users;
}
}
void login_fromchar_parse_request_change_email(int fd, int id, const char *const ip)
{
struct mmo_account acc;
char email[40];
int account_id = RFIFOL(fd,2);
safestrncpy(email, 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, account_id, ip);
else
if( !accounts->load_num(accounts, &acc, account_id) || strcmp(acc.email, "
[email protected]") == 0 || acc.email[0] == '\0' )
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, account_id, ip);
else {
memcpy(acc.email, email, sizeof(acc.email));
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, account_id, email, ip);
// Save
accounts->save(accounts, &acc);
}
}
void login_fromchar_account(int fd, int account_id, struct mmo_account *acc)
{
WFIFOHEAD(fd,72);
WFIFOW(fd,0) = 0x2717;
WFIFOL(fd,2) = account_id;
if (acc)
{
time_t expiration_time = 0;
char email[40] = "";
int group_id = 0;
uint8 char_slots = 0;
char birthdate[10+1] = "";
char pincode[4+1] = "\0\0\0\0";
safestrncpy(email, acc->email, sizeof(email));
expiration_time = acc->expiration_time;
group_id = acc->group_id;
char_slots = acc->char_slots;
safestrncpy(pincode, acc->pincode, sizeof(pincode));
safestrncpy(birthdate, acc->birthdate, sizeof(birthdate));
if (pincode[0] == '\0')
memset(pincode,'\0',sizeof(pincode));
safestrncpy(WFIFOP(fd,6), email, 40);
WFIFOL(fd,46) = (uint32)expiration_time;
WFIFOB(fd,50) = (unsigned char)group_id;
WFIFOB(fd,51) = char_slots;
safestrncpy(WFIFOP(fd,52), birthdate, 10+1);
safestrncpy(WFIFOP(fd,63), pincode, 4+1 );
WFIFOL(fd,68) = acc->pincode_change;
}
else
{
safestrncpy(WFIFOP(fd,6), "", 40);
WFIFOL(fd,46) = 0;
WFIFOB(fd,50) = 0;
WFIFOB(fd,51) = 0;
safestrncpy(WFIFOP(fd,52), "", 10+1);
safestrncpy(WFIFOP(fd,63), "\0\0\0\0", 4+1 );
WFIFOL(fd,68) = 0;
}
WFIFOSET(fd,72);
}
void login_fromchar_parse_account_data(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,2);
RFIFOSKIP(fd,6);
if( !accounts->load_num(accounts, &acc, account_id) )
{
ShowNotice("Char-server '%s': account %d NOT found (ip: %s).\n", server[id].name, account_id, ip);
login->fromchar_account(fd, account_id, NULL);
}
else {
login->fromchar_account(fd, account_id, &acc);
}
}
void login_fromchar_pong(int fd)
{
WFIFOHEAD(fd,2);
WFIFOW(fd,0) = 0x2718;
WFIFOSET(fd,2);
}
void login_fromchar_parse_ping(int fd)
{
RFIFOSKIP(fd,2);
login->fromchar_pong(fd);
}
void login_fromchar_parse_change_email(int fd, int id, const char *const ip)
{
struct mmo_account acc;
char actual_email[40];
char new_email[40];
int account_id = RFIFOL(fd,2);
safestrncpy(actual_email, RFIFOP(fd,6), 40);
safestrncpy(new_email, RFIFOP(fd,46), 40);
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
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
if( !accounts->load_num(accounts, &acc, account_id) )
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(acc.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, acc.userid, acc.email, actual_email, ip);
else {
safestrncpy(acc.email, new_email, sizeof(acc.email));
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, acc.userid, new_email, ip);
// Save
accounts->save(accounts, &acc);
}
}
void login_fromchar_account_update_other(int account_id, unsigned int state)
{
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);
}
void login_fromchar_parse_account_update(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,2);
unsigned int state = RFIFOL(fd,6);
RFIFOSKIP(fd,10);
if( !accounts->load_num(accounts, &acc, account_id) )
ShowNotice("Char-server '%s': Error of Status change (account: %d not found, suggested status %u, ip: %s).\n", server[id].name, account_id, state, ip);
else
if( acc.state == state )
ShowNotice("Char-server '%s': Error of Status change - actual status is already the good status (account: %d, status %u, ip: %s).\n", server[id].name, account_id, state, ip);
else {
ShowNotice("Char-server '%s': Status change (account: %d, new status %u, ip: %s).\n", server[id].name, account_id, state, ip);
acc.state = state;
// Save
accounts->save(accounts, &acc);
// notify other servers
if (state != 0) {
login->fromchar_account_update_other(account_id, state);
}
}
}
void login_fromchar_ban(int account_id, time_t timestamp)
{
uint8 buf[11];
WBUFW(buf,0) = 0x2731;
WBUFL(buf,2) = account_id;
WBUFB(buf,6) = 1; // 0: change of status, 1: ban
WBUFL(buf,7) = (uint32)timestamp; // status or final date of a banishment
charif_sendallwos(-1, buf, 11);
}
void login_fromchar_parse_ban(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,2);
int year = RFIFOW(fd,6);
int month = RFIFOW(fd,8);
int mday = RFIFOW(fd,10);
int hour = RFIFOW(fd,12);
int min = RFIFOW(fd,14);
int sec = RFIFOW(fd,16);
RFIFOSKIP(fd,18);
if (!accounts->load_num(accounts, &acc, account_id)) {
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 (acc.unban_time == 0 || acc.unban_time < time(NULL))
timestamp = time(NULL); // new ban
else
timestamp = acc.unban_time; // add to existing ban
tmtime = localtime(×tamp);
tmtime->tm_year += year;
tmtime->tm_mon += month;
tmtime->tm_mday += mday;
tmtime->tm_hour += hour;
tmtime->tm_min += min;
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 {
char tmpstr[24];
timestamp2string(tmpstr, sizeof(tmpstr), timestamp, login->config->date_format);
ShowNotice("Char-server '%s': Ban request (account: %d, new final date of banishment: %ld (%s), ip: %s).\n",
server[id].name, account_id, (long)timestamp, tmpstr, ip);
acc.unban_time = timestamp;
// Save
accounts->save(accounts, &acc);
login->fromchar_ban(account_id, timestamp);
}
}
}
void login_fromchar_change_sex_other(int account_id, char sex)
{
unsigned char buf[7];
WBUFW(buf,0) = 0x2723;
WBUFL(buf,2) = account_id;
WBUFB(buf,6) = sex_str2num(sex);
charif_sendallwos(-1, buf, 7);
}
void login_fromchar_parse_change_sex(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,2);
RFIFOSKIP(fd,6);
if( !accounts->load_num(accounts, &acc, account_id) )
ShowNotice("Char-server '%s': Error of sex change (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
else
if( acc.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
{
char sex = ( acc.sex == 'M' ) ? 'F' : 'M'; //Change gender
ShowNotice("Char-server '%s': Sex change (account: %d, new sex %c, ip: %s).\n", server[id].name, account_id, sex, ip);
acc.sex = sex;
// Save
accounts->save(accounts, &acc);
// announce to other servers
login->fromchar_change_sex_other(account_id, sex);
}
}
void login_fromchar_parse_account_reg2(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,4);
if( !accounts->load_num(accounts, &acc, account_id) )
ShowStatus("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
else {
mmo_save_accreg2(accounts,fd,account_id,RFIFOL(fd, 8));
}
RFIFOSKIP(fd,RFIFOW(fd,2));
}
void login_fromchar_parse_unban(int fd, int id, const char *const ip)
{
struct mmo_account acc;
int account_id = RFIFOL(fd,2);
RFIFOSKIP(fd,6);
if( !accounts->load_num(accounts, &acc, account_id) )
ShowNotice("Char-server '%s': Error of Unban request (account: %d not found, ip: %s).\n", server[id].name, account_id, ip);
else
if( acc.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
{
ShowNotice("Char-server '%s': Unban request (account: %d, ip: %s).\n", server[id].name, account_id, ip);
acc.unban_time = 0;
accounts->save(accounts, &acc);
}
}
void login_fromchar_parse_account_online(int fd, int id)
{
login->add_online_user(id, RFIFOL(fd,2));
RFIFOSKIP(fd,6);
}
void login_fromchar_parse_account_offline(int fd)
{
login->remove_online_user(RFIFOL(fd,2));
RFIFOSKIP(fd,6);
}
void login_fromchar_parse_online_accounts(int fd, int id)
{
uint32 i, users;
login->online_db->foreach(login->online_db, login->online_db_setoffline, id); //Set all chars from this char-server offline first
users = RFIFOW(fd,4);
for (i = 0; i < users; i++) {
int aid = RFIFOL(fd,6+i*4);
struct online_login_data *p = idb_ensure(login->online_db, aid, login->create_online_user);
p->char_server = id;
if (p->waiting_disconnect != INVALID_TIMER)
{
timer->delete(p->waiting_disconnect, login->waiting_disconnect_timer);
p->waiting_disconnect = INVALID_TIMER;
}
}
}
void login_fromchar_parse_request_account_reg2(int fd)
{
int account_id = RFIFOL(fd,2);
int char_id = RFIFOL(fd,6);
RFIFOSKIP(fd,10);
mmo_send_accreg2(accounts,fd,account_id,char_id);
}
void login_fromchar_parse_update_wan_ip(int fd, int id)
{
server[id].ip = ntohl(RFIFOL(fd,2));
ShowInfo("Updated IP of Server #%d to %u.%u.%u.%u.\n",id, CONVIP(server[id].ip));
RFIFOSKIP(fd,6);
}
void login_fromchar_parse_all_offline(int fd, int id)
{
ShowInfo("Setting accounts from char-server %d offline.\n", id);
login->online_db->foreach(login->online_db, login->online_db_setoffline, id);
RFIFOSKIP(fd,2);
}
void login_fromchar_parse_change_pincode(int fd)
{
struct mmo_account acc;
if (accounts->load_num(accounts, &acc, RFIFOL(fd,2))) {
safestrncpy(acc.pincode, RFIFOP(fd,6), sizeof(acc.pincode));
acc.pincode_change = ((unsigned int)time(NULL));
accounts->save(accounts, &acc);
}
RFIFOSKIP(fd,11);
}
bool login_fromchar_parse_wrong_pincode(int fd)
{
struct mmo_account acc;
if( accounts->load_num(accounts, &acc, RFIFOL(fd,2) ) ) {
struct online_login_data* ld = (struct online_login_data*)idb_get(login->online_db,acc.account_id);
if (ld == NULL) {
RFIFOSKIP(fd,6);
return true;
}
login_log(fd, sockt->host2ip(acc.last_ip), acc.userid, 100, "PIN Code check failed"); // FIXME: Do we really want to log this with the same code as successful logins?
}
login->remove_online_user(acc.account_id);
RFIFOSKIP(fd,6);
return false;
}
void login_fromchar_accinfo(int fd, int account_id, int u_fd, int u_aid, int u_group, int map_fd, struct mmo_account *acc)
{
if (acc)
{
WFIFOHEAD(fd,183);
WFIFOW(fd,0) = 0x2737;
safestrncpy(WFIFOP(fd,2), acc->userid, NAME_LENGTH);
if (u_group >= acc->group_id)
safestrncpy(WFIFOP(fd,26), acc->pass, 33);
else
memset(WFIFOP(fd,26), '\0', 33);
safestrncpy(WFIFOP(fd,59), acc->email, 40);
safestrncpy(WFIFOP(fd,99), acc->last_ip, 16);
WFIFOL(fd,115) = acc->group_id;
safestrncpy(WFIFOP(fd,119), acc->lastlogin, 24);
WFIFOL(fd,143) = acc->logincount;
WFIFOL(fd,147) = acc->state;
if (u_group >= acc->group_id)
safestrncpy(WFIFOP(fd,151), acc->pincode, 5);
else
memset(WFIFOP(fd,151), '\0', 5);
safestrncpy(WFIFOP(fd,156), acc->birthdate, 11);
WFIFOL(fd,167) = map_fd;
WFIFOL(fd,171) = u_fd;
WFIFOL(fd,175) = u_aid;
WFIFOL(fd,179) = account_id;
WFIFOSET(fd,183);
}
else
{
WFIFOHEAD(fd,18);
WFIFOW(fd,0) = 0x2736;
WFIFOL(fd,2) = map_fd;
WFIFOL(fd,6) = u_fd;
WFIFOL(fd,10) = u_aid;
WFIFOL(fd,14) = account_id;
WFIFOSET(fd,18);
}
}
void login_fromchar_parse_accinfo(int fd)
{
struct mmo_account acc;
int account_id = RFIFOL(fd, 2), u_fd = RFIFOL(fd, 6), u_aid = RFIFOL(fd, 10), u_group = RFIFOL(fd, 14), map_fd = RFIFOL(fd, 18);
if (accounts->load_num(accounts, &acc, account_id)) {
login->fromchar_accinfo(fd, account_id, u_fd, u_aid, u_group, map_fd, &acc);
} else {
login->fromchar_accinfo(fd, account_id, u_fd, u_aid, u_group, map_fd, NULL);
}
RFIFOSKIP(fd,22);
}
//--------------------------------
// Packet parsing for char-servers
//--------------------------------
int login_parse_fromchar(int fd)
{
int id;
uint32 ipl;
char ip[16];
ARR_FIND( 0, ARRAYLENGTH(server), id, server[id].fd == fd );
if( id == ARRAYLENGTH(server) )
{// not a char server
ShowDebug("login_parse_fromchar: Disconnecting invalid session #%d (is not a char-server)\n", fd);
sockt->eof(fd);
sockt->close(fd);
return 0;
}
if( sockt->session[fd]->flag.eof )
{
sockt->close(fd);
server[id].fd = -1;
chrif_on_disconnect(id);
return 0;
}
ipl = server[id].ip;
sockt->ip2str(ipl, ip);
while (RFIFOREST(fd) >= 2) {
uint16 command = RFIFOW(fd,0);
if (VECTOR_LENGTH(HPM->packets[hpParse_FromChar]) > 0) {
int result = HPM->parse_packets(fd,command,hpParse_FromChar);
if (result == 1)
continue;
if (result == 2)
return 0;
}
switch (command) {
case 0x2712: // request from char-server to authenticate an account
if( RFIFOREST(fd) < 23 )
return 0;
{
login->fromchar_parse_auth(fd, id, ip);
}
break;
case 0x2714:
if( RFIFOREST(fd) < 6 )
return 0;
{
login->fromchar_parse_update_users(fd, id);
}
break;
case 0x2715: // request from char server to change e-email from default "
[email protected]"
if (RFIFOREST(fd) < 46)
return 0;
{
login->fromchar_parse_request_change_email(fd, id, ip);
}
break;
case 0x2716: // request account data
if( RFIFOREST(fd) < 6 )
return 0;
{
login->fromchar_parse_account_data(fd, id, ip);
}
break;
case 0x2719: // ping request from charserver
login->fromchar_parse_ping(fd);
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;
{
login->fromchar_parse_change_email(fd, id, ip);
}
break;
case 0x2724: // Receiving an account state update request from a map-server (relayed via char-server)
if (RFIFOREST(fd) < 10)
return 0;
{
login->fromchar_parse_account_update(fd, id, ip);
}
break;
case 0x2725: // Receiving of map-server via char-server a ban request
if (RFIFOREST(fd) < 18)
return 0;
{
login->fromchar_parse_ban(fd, id, ip);
}
break;
case 0x2727: // Change of sex (sex is reversed)
if( RFIFOREST(fd) < 6 )
return 0;
{
login->fromchar_parse_change_sex(fd, id, ip);
}
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;
{
login->fromchar_parse_account_reg2(fd, id, ip);
}
break;
case 0x272a: // Receiving of map-server via char-server an unban request
if( RFIFOREST(fd) < 6 )
return 0;
{
login->fromchar_parse_unban(fd, id, ip);
}
break;
case 0x272b: // Set account_id to online [Wizputer]
if( RFIFOREST(fd) < 6 )
return 0;
login->fromchar_parse_account_online(fd, id);
break;
case 0x272c: // Set account_id to offline [Wizputer]
if( RFIFOREST(fd) < 6 )
return 0;
login->fromchar_parse_account_offline(fd);
break;
case 0x272d: // Receive list of all online accounts. [Skotlex]
if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2))
return 0;
{
login->fromchar_parse_online_accounts(fd, id);
}
RFIFOSKIP(fd,RFIFOW(fd,2));
break;
case 0x272e: //Request account_reg2 for a character.
if (RFIFOREST(fd) < 10)
return 0;
{
login->fromchar_parse_request_account_reg2(fd);
}
break;
case 0x2736: // WAN IP update from char-server
if( RFIFOREST(fd) < 6 )
return 0;
login->fromchar_parse_update_wan_ip(fd, id);
break;
case 0x2737: //Request to set all offline.
login->fromchar_parse_all_offline(fd, id);
break;
case 0x2738: //Change PIN Code for a account
if( RFIFOREST(fd) < 11 )
return 0;
else {
login->fromchar_parse_change_pincode(fd);
}
break;
case 0x2739: // PIN Code was entered wrong too often
if( RFIFOREST(fd) < 6 )
return 0;
else {
if (login->fromchar_parse_wrong_pincode(fd))
return 0;
}
break;
case 0x2740: // Accinfo request forwarded by charserver on mapserver's account
if( RFIFOREST(fd) < 22 )
return 0;
else {
login->fromchar_parse_accinfo(fd);
}
break;
default:
ShowError("login_parse_fromchar: Unknown packet 0x%x from a char-server! Disconnecting!\n", command);
sockt->eof(fd);
return 0;
} // switch
} // while
return 0;
}
//-------------------------------------
// Make new account
//-------------------------------------
int login_mmo_auth_new(const char* userid, const char* pass, const char sex, const char* last_ip) {
static int num_regs = 0; // registration counter
static int64 new_reg_tick = 0;
int64 tick = timer->gettick();
struct mmo_account acc;
nullpo_retr(3, userid);
nullpo_retr(3, pass);
nullpo_retr(3, last_ip);
//Account Registration Flood Protection by [Kevin]
if( new_reg_tick == 0 )
new_reg_tick = timer->gettick();
if (DIFF_TICK(tick, new_reg_tick) < 0 && num_regs >= login->config->allowed_regs) {
ShowNotice("Account registration denied (registration limit exceeded)\n");
return 3;
}
if (login->config->new_acc_length_limit && (strlen(userid) < 4 || strlen(pass) < 4))
return 1;
// check for invalid inputs
if( sex != 'M' && sex != 'F' )
return 0; // 0 = Unregistered ID
// check if the account doesn't exist already
if( accounts->load_str(accounts, &acc, userid) ) {
ShowNotice("Attempt of creation of an already existing account (account: %s_%c, pass: %s, received pass: %s)\n", userid, sex, acc.pass, pass);
return 1; // 1 = Incorrect Password
}
memset(&acc, '\0', sizeof(acc));
acc.account_id = -1; // assigned by account db
safestrncpy(acc.userid, userid, sizeof(acc.userid));
safestrncpy(acc.pass, pass, sizeof(acc.pass));
acc.sex = sex;
acc.expiration_time = (login->config->start_limited_time != -1) ? time(NULL) + login->config->start_limited_time : 0;
safestrncpy(acc.lastlogin, "0000-00-00 00:00:00", sizeof(acc.lastlogin));
safestrncpy(acc.last_ip, last_ip, sizeof(acc.last_ip));
safestrncpy(acc.birthdate, "0000-00-00", sizeof(acc.birthdate));
safestrncpy(acc.pincode, "\0", sizeof(acc.pincode));
acc.pincode_change = 0;
acc.char_slots = 0;
if( !accounts->create(accounts, &acc) )
return 0;
ShowNotice("Account creation (account %s, id: %d, pass: %s, sex: %c)\n", acc.userid, acc.account_id, acc.pass, acc.sex);
if( DIFF_TICK(tick, new_reg_tick) > 0 ) {// Update the registration check.
num_regs = 0;
new_reg_tick = tick + login->config->time_allowed*1000;
}
++num_regs;
return -1;
}
//-----------------------------------------------------
// Check/authentication of a connection
//-----------------------------------------------------
// TODO: Map result values to an enum (or at least document them)
int login_mmo_auth(struct login_session_data* sd, bool isServer) {
struct mmo_account acc;
size_t len;
char ip[16];
nullpo_ret(sd);
sockt->ip2str(sockt->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;
uint8* sin_addr = (uint8*)&sockt->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,","); dnsbl_serv != NULL; dnsbl_serv = strtok(NULL,",")) {
sprintf(ip_dnsbl, "%s.%s", r_ip, trim(dnsbl_serv));
if (sockt->host2ip(ip_dnsbl)) {
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 && sd->passwd[0] != '\0' && // valid user and password lengths
sd->passwdenc == PWENC_NONE && // unencoded password
sd->userid[len-2] == '_' && memchr("FfMm", sd->userid[len-1], 4)) // _M/_F suffix
{
int result;
// remove the _M/_F suffix
len -= 2;
sd->userid[len] = '\0';
result = login->mmo_auth_new(sd->userid, sd->passwd, TOUPPER(sd->userid[len+1]), ip);
if( result != -1 )
return result;// Failed to make account. [Skotlex].
}
}
if( len <= 0 ) { /** a empty password is fine, a userid is not. **/
ShowNotice("Empty userid (received pass: '%s', ip: %s)\n", sd->passwd, ip);
return 0; // 0 = Unregistered ID
}
if( !accounts->load_str(accounts, &acc, sd->userid) ) {
ShowNotice("Unknown account (account: %s, received pass: %s, ip: %s)\n", sd->userid, sd->passwd, ip);
return 0; // 0 = Unregistered ID
}
if( !login->check_password(sd->md5key, sd->passwdenc, sd->passwd, acc.pass) ) {
ShowNotice("Invalid password (account: '%s', pass: '%s', received pass: '%s', ip: %s)\n", sd->userid, acc.pass, sd->passwd, ip);
return 1; // 1 = Incorrect Password
}
if( acc.unban_time != 0 && acc.unban_time > time(NULL) ) {
char tmpstr[24];
timestamp2string(tmpstr, sizeof(tmpstr), acc.unban_time, login->config->date_format);
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( acc.state != 0 ) {
ShowNotice("Connection refused (account: %s, pass: %s, state: %u, ip: %s)\n", sd->userid, sd->passwd, acc.state, ip);
return acc.state - 1;
}
if (login->config->client_hash_check && !isServer) {
struct client_hash_node *node = NULL;
bool match = false;
for (node = login->config->client_hash_nodes; node; node = node->next) {
if( acc.group_id < node->group_id )
continue;
if( *node->hash == '\0' // Allowed to login without hash
|| (sd->has_client_hash && memcmp(node->hash, sd->client_hash, 16) == 0 ) // Correct hash
) {
match = true;
break;
}
}
if( !match ) {
char smd5[33];
int i;
if( !sd->has_client_hash ) {
ShowNotice("Client didn't send client hash (account: %s, pass: %s, ip: %s)\n", sd->userid, sd->passwd, ip);
return 5;
}
for( i = 0; i < 16; i++ )
sprintf(&smd5[i * 2], "%02x", sd->client_hash[i]);
smd5[32] = '\0';
ShowNotice("Invalid client hash (account: %s, pass: %s, sent md5: %s, ip: %s)\n", sd->userid, sd->passwd, smd5, ip);
return 5;
}
}
ShowNotice("Authentication accepted (account: %s, id: %d, ip: %s)\n", sd->userid, acc.account_id, ip);
// update session data
sd->account_id = acc.account_id;
sd->login_id1 = rnd() + 1;
sd->login_id2 = rnd() + 1;
safestrncpy(sd->lastlogin, acc.lastlogin, sizeof(sd->lastlogin));
sd->sex = acc.sex;
sd->group_id = (uint8)acc.group_id;
sd->expiration_time = acc.expiration_time;
// update account data
timestamp2string(acc.lastlogin, sizeof(acc.lastlogin), time(NULL), "%Y-%m-%d %H:%M:%S");
safestrncpy(acc.last_ip, ip, sizeof(acc.last_ip));
acc.unban_time = 0;
acc.logincount++;
accounts->save(accounts, &acc);
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);
return -1; // account OK
}
void login_kick(struct login_session_data* sd)
{
uint8 buf[6];
nullpo_retv(sd);
WBUFW(buf,0) = 0x2734;
WBUFL(buf,2) = sd->account_id;
charif_sendallwos(-1, buf, 6);
}
void login_auth_ok(struct login_session_data* sd)
{
int fd = 0;
uint32 ip;
struct login_auth_node* node;
nullpo_retv(sd);
fd = sd->fd;
ip = sockt->session[fd]->client_addr;
if( core->runflag != LOGINSERVER_ST_RUNNING )
{
// players can only login while running
lclif->connection_error(fd, 1); // 01 = server closed
return;
}
if (login->config->group_id_to_connect >= 0 && sd->group_id != login->config->group_id_to_connect) {
ShowStatus("Connection refused: the required group id for connection is %d (account: %s, group: %d).\n", login->config->group_id_to_connect, sd->userid, sd->group_id);
lclif->connection_error(fd, 1); // 01 = server closed
return;
} else if (login->config->min_group_id_to_connect >= 0 && login->config->group_id_to_connect == -1 && sd->group_id < login->config->min_group_id_to_connect) {
ShowStatus("Connection refused: the minimum group id required for connection is %d (account: %s, group: %d).\n", login->config->min_group_id_to_connect, sd->userid, sd->group_id);
lclif->connection_error(fd, 1); // 01 = server closed
return;
}
{
struct online_login_data* data = (struct online_login_data*)idb_get(login->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]
ShowNotice("User '%s' is already online - Rejected.\n", sd->userid);
login->kick(sd);
if( data->waiting_disconnect == INVALID_TIMER )
data->waiting_disconnect = timer->add(timer->gettick()+AUTH_TIMEOUT, login->waiting_disconnect_timer, sd->account_id, 0);
lclif->connection_error(fd, 8); // 08 = Server still recognizes your last login
return;
}
else
if( data->char_server == -1 )
{// client has authed but did not access char-server yet
// wipe previous session
idb_remove(login->auth_db, sd->account_id);
login->remove_online_user(sd->account_id);
data = NULL;
}
}
}
if (!lclif->server_list(sd)) {
// 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);
lclif->connection_error(fd, 1); // 01 = server closed
return;
}
gepard_update_last_unique_id(sd->account_id, sockt->session[fd]->gepard_info.unique_id);
login_log(fd, ip, sd->userid, 100, "login ok");
ShowStatus("Connection of the account '%s' accepted.\n", sd->userid);
// create temporary auth entry
CREATE(node, struct login_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;
node->version = sd->version;
node->clienttype = sd->clienttype;
node->group_id = sd->group_id;
node->expiration_time = sd->expiration_time;
idb_put(login->auth_db, sd->account_id, node);
{
struct online_login_data* data;
// mark client as 'online'
data = login->add_online_user(-1, sd->account_id);
// schedule deletion of this node
data->waiting_disconnect = timer->add(timer->gettick()+AUTH_TIMEOUT, login->waiting_disconnect_timer, sd->account_id, 0);
}
}
void login_auth_failed(struct login_session_data *sd, int result)
{
int fd;
uint32 ip;
time_t ban_time = 0;
nullpo_retv(sd);
fd = sd->fd;
ip = sockt->session[fd]->client_addr;
if (login->config->log_login) {
const char* error;
switch( result ) {
case 0: error = "Unregistered ID."; break; // 0 = Unregistered ID
case 1: error = "Incorrect Password."; break; // 1 = Incorrect Password
case 2: error = "Account Expired."; break; // 2 = This ID is expired
case 3: error = "Rejected from server."; break; // 3 = Rejected from Server
case 4: error = "Blocked by GM."; break; // 4 = You have been blocked by the GM Team
case 5: error = "Not latest game EXE."; break; // 5 = Your Game's EXE file is not the latest version
case 6: error = "Banned."; break; // 6 = Your are Prohibited to log in until %s
case 7: error = "Server Over-population."; break; // 7 = Server is jammed due to over populated
case 8: error = "Account limit from company"; break; // 8 = No more accounts may be connected from this company
case 9: error = "Ban by DBA"; break; // 9 = MSI_REFUSE_BAN_BY_DBA
case 10: error = "Email not confirmed"; break; // 10 = MSI_REFUSE_EMAIL_NOT_CONFIRMED
case 11: error = "Ban by GM"; break; // 11 = MSI_REFUSE_BAN_BY_GM
case 12: error = "Working in DB"; break; // 12 = MSI_REFUSE_TEMP_BAN_FOR_DBWORK
case 13: error = "Self Lock"; break; // 13 = MSI_REFUSE_SELF_LOCK
case 14: error = "Not Permitted Group"; break; // 14 = MSI_REFUSE_NOT_PERMITTED_GROUP
case 15: error = "Not Permitted Group"; break; // 15 = MSI_REFUSE_NOT_PERMITTED_GROUP
case 99: error = "Account gone."; break; // 99 = This ID has been totally erased
case 100: error = "Login info remains."; break; // 100 = Login information remains at %s
case 101: error = "Hacking investigation."; break; // 101 = Account has been locked for a hacking investigation. Please contact the GM Team for more information
case 102: error = "Bug investigation."; break; // 102 = This account has been temporarily prohibited from login due to a bug-related investigation
case 103: error = "Deleting char."; break; // 103 = This character is being deleted. Login is temporarily unavailable for the time being
case 104: error = "Deleting spouse char."; break; // 104 = This character is being deleted. Login is temporarily unavailable for the time being
default : error = "Unknown Error."; break;
}
login_log(fd, ip, sd->userid, result, error); // FIXME: result can be 100, conflicting with the value 100 we use for successful login...
}
if (result == 1 && login->config->dynamic_pass_failure_ban && !sockt->trusted_ip_check(ip))
ipban_log(ip); // log failed password attempt
if (result == 6) {
struct mmo_account acc = { 0 };
if (accounts->load_str(accounts, &acc, sd->userid))
ban_time = acc.unban_time;
}
lclif->auth_failed(fd, ban_time, result);
}
bool login_client_login(int fd, struct login_session_data *sd) __attribute__((nonnull (2)));
bool login_client_login(int fd, struct login_session_data *sd)
{
int result;
char ip[16];
uint32 ipl = sockt->session[fd]->client_addr;
sockt->ip2str(ipl, ip);
ShowStatus("Request for connection %sof %s (ip: %s).\n", sd->passwdenc == PASSWORDENC ? " (passwdenc mode)" : "", sd->userid, ip);
if (sd->passwdenc != PWENC_NONE && login->config->use_md5_passwds) {
login->auth_failed(sd, 3); // send "rejected from server"
return true;
}
result = login->mmo_auth(sd, false);
if( result == -1 )
login->auth_ok(sd);
else
login->auth_failed(sd, result);
return false;
}
void login_char_server_connection_status(int fd, struct login_session_data* sd, uint8 status) __attribute__((nonnull (2)));
void login_char_server_connection_status(int fd, struct login_session_data* sd, uint8 status)
{
WFIFOHEAD(fd,3);
WFIFOW(fd,0) = 0x2711;
WFIFOB(fd,2) = status;
WFIFOSET(fd,3);
}
// CA_CHARSERVERCONNECT
void login_parse_request_connection(int fd, struct login_session_data* sd, const char *const ip, uint32 ipl) __attribute__((nonnull (2, 3)));
void login_parse_request_connection(int fd, struct login_session_data* sd, const char *const ip, uint32 ipl)
{
char server_name[20];
char message[256];
uint32 server_ip;
uint16 server_port;
uint16 type;
uint16 new_;
int result;
safestrncpy(sd->userid, RFIFOP(fd,2), NAME_LENGTH);
safestrncpy(sd->passwd, RFIFOP(fd,26), NAME_LENGTH);
if (login->config->use_md5_passwds)
MD5_String(sd->passwd, sd->passwd);
sd->passwdenc = PWENC_NONE;
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, RFIFOP(fd,60), 20);
type = RFIFOW(fd,82);
new_ = RFIFOW(fd,84);
ShowInfo("Connection request of the char-server '%s' @ %u.%u.%u.%u:%u (account: '%s', pass: '%s', ip: '%s')\n", server_name, CONVIP(server_ip), server_port, sd->userid, sd->passwd, ip);
sprintf(message, "charserver - %s@%u.%u.%u.%u:%u", server_name, CONVIP(server_ip), server_port);
login_log(fd, sockt->session[fd]->client_addr, sd->userid, 100, message);
result = login->mmo_auth(sd, true);
if (core->runflag == LOGINSERVER_ST_RUNNING &&
result == -1 &&
sd->sex == 'S' &&
sd->account_id >= 0 &&
sd->account_id < ARRAYLENGTH(server) &&
!sockt->session_is_valid(server[sd->account_id].fd) &&
sockt->allowed_ip_check(ipl))
{
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].type = type;
server[sd->account_id].new_ = new_;
sockt->session[fd]->func_parse = login->parse_fromchar;
sockt->session[fd]->flag.server = 1;
sockt->realloc_fifo(fd, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK);
// send connection success
login->char_server_connection_status(fd, sd, 0);
}
else
{
ShowNotice("Connection of the char-server '%s' REFUSED.\n", server_name);
login->char_server_connection_status(fd, sd, 3);
}
}
void login_config_set_defaults(void)
{
login->config->login_ip = INADDR_ANY;
login->config->login_port = 6900;
login->config->ipban_cleanup_interval = 60;
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->new_account_flag = true;
login->config->new_acc_length_limit = true;
login->config->use_md5_passwds = false;
login->config->group_id_to_connect = -1;
login->config->min_group_id_to_connect = -1;
login->config->check_client_version = false;
login->config->client_version_to_connect = 20;
login->config->allowed_regs = 1;
login->config->time_allowed = 10;
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));
login->config->client_hash_check = 0;
login->config->client_hash_nodes = NULL;
}
//-----------------------------------
// Reading main configuration file
//-----------------------------------
int login_config_read(const char *cfgName)
{
char line[1024], w1[1024], w2[1024];
FILE* fp;
nullpo_retr(1, cfgName);
fp = fopen(cfgName, "r");
if (fp == NULL) {
ShowError("Configuration file (%s) not found.\n", cfgName);
return 1;
}
while(fgets(line, sizeof(line), fp)) {
if (line[0] == '/' && line[1] == '/')
continue;
if (sscanf(line, "%1023[^:]: %1023[^\r\n]", w1, w2) < 2)
continue;
if(!strcmpi(w1,"timestamp_format"))
safestrncpy(showmsg->timestamp_format, w2, 20);
else if(!strcmpi(w1,"stdout_with_ansisequence"))
showmsg->stdout_with_ansisequence = config_switch(w2) ? true : false;
else if(!strcmpi(w1,"console_silent")) {
showmsg->silent = atoi(w2);
if (showmsg->silent) /* only bother if we actually have this enabled */
ShowInfo("Console Silent Setting: %d\n", atoi(w2));
}
else if( !strcmpi(w1, "bind_ip") ) {
login->config->login_ip = sockt->host2ip(w2);
if (login->config->login_ip) {
char ip_str[16];
ShowStatus("Login server binding IP address : %s -> %s\n", w2, sockt->ip2str(login->config->login_ip, ip_str));
}
}
else if( !strcmpi(w1, "login_port") ) {
login->config->login_port = (uint16)atoi(w2);
}
else if(!strcmpi(w1, "log_login"))
login->config->log_login = (bool)config_switch(w2);
else if(!strcmpi(w1, "new_account"))
login->config->new_account_flag = (bool)config_switch(w2);
else if(!strcmpi(w1, "new_acc_length_limit"))
login->config->new_acc_length_limit = (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 = (unsigned int)strtoul(w2, NULL, 10);
else if(!strcmpi(w1, "use_MD5_passwords"))
login->config->use_md5_passwds = (bool)config_switch(w2);
else if(!strcmpi(w1, "group_id_to_connect"))
login->config->group_id_to_connect = atoi(w2);
else if(!strcmpi(w1, "min_group_id_to_connect"))
login->config->min_group_id_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, "allowed_regs")) //account flood protection system
login->config->allowed_regs = atoi(w2);
else if(!strcmpi(w1, "time_allowed"))
login->config->time_allowed = atoi(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, "ipban_cleanup_interval"))
login->config->ipban_cleanup_interval = (unsigned int)atoi(w2);
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, "client_hash_check"))
login->config->client_hash_check = config_switch(w2);
else if(!strcmpi(w1, "client_hash")) {
int group = 0;
char md5[33];
memset(md5, '\0', 33);
if (sscanf(w2, "%d, %32s", &group, md5) == 2) {
struct client_hash_node *nnode;
CREATE(nnode, struct client_hash_node, 1);
if (strcmpi(md5, "disabled") == 0) {
nnode->hash[0] = '\0';
} else {
int i;
for (i = 0; i < 32; i += 2) {
char buf[3];
unsigned int byte;
memcpy(buf, &md5[i], 2);
buf[2] = 0;
sscanf(buf, "%x", &byte);
nnode->hash[i / 2] = (uint8)(byte & 0xFF);
}
}
nnode->group_id = group;
nnode->next = login->config->client_hash_nodes;
login->config->client_hash_nodes = nnode;
}
}
else if(!strcmpi(w1, "import"))
login_config_read(w2);
else
{
AccountDB* db = account_engine[0].db;
if (db)
db->set_property(db, w1, w2);
ipban_config_read(w1, w2);
loginlog_config_read(w1, w2);
HPM->parseConf(w1, w2, HPCT_LOGIN);
}
}
fclose(fp);
ShowInfo("Finished reading %s.\n", cfgName);
return 0;
}
//--------------------------------------
// Function called at exit of the server
//--------------------------------------
int do_final(void) {
int i;
struct client_hash_node *hn = login->config->client_hash_nodes;
ShowStatus("Terminating...\n");
HPM->event(HPET_FINAL);
while (hn) {
struct client_hash_node *tmp = hn;
hn = hn->next;
aFree(tmp);
}
login_log(0, "login server", 100, "login server shutdown");
if (login->config->log_login)
loginlog_final();
ipban_final();
if( account_engine[0].db )
{// destroy account engine
account_engine[0].db->destroy(account_engine[0].db);
account_engine[0].db = NULL;
}
accounts = NULL; // destroyed in account_engine
login->online_db->destroy(login->online_db, NULL);
login->auth_db->destroy(login->auth_db, NULL);
for( i = 0; i < ARRAYLENGTH(server); ++i )
chrif_server_destroy(i);
if( login->fd != -1 )
{
sockt->close(login->fd);
login->fd = -1;
}
lclif->final();
HPM_login_do_final();
aFree(login->LOGIN_CONF_NAME);
aFree(login->NET_CONF_NAME);
HPM->event(HPET_POST_FINAL);
ShowStatus("Finished.\n");
return EXIT_SUCCESS;
}
//------------------------------
// Function called when the server
// has received a crash signal.
//------------------------------
void do_abort(void)
{
}
void set_server_type(void) {
SERVER_TYPE = SERVER_TYPE_LOGIN;
}
/// Called when a terminate signal is received.
void do_shutdown_login(void)
{
if( core->runflag != LOGINSERVER_ST_SHUTDOWN )
{
int id;
core->runflag = LOGINSERVER_ST_SHUTDOWN;
ShowStatus("Shutting down...\n");
// TODO proper shutdown procedure; kick all characters, wait for acks, ... [FlavioJS]
for( id = 0; id < ARRAYLENGTH(server); ++id )
chrif_server_reset(id);
sockt->flush_fifos();
core->runflag = CORE_ST_STOP;
}
}
/**
* --login-config handler
*
* Overrides the default login configuration file.
* @see cmdline->exec
*/
static CMDLINEARG(loginconfig)
{
aFree(login->LOGIN_CONF_NAME);
login->LOGIN_CONF_NAME = aStrdup(params);
return true;
}
/**
* --net-config handler
*
* Overrides the default subnet configuration file.
* @see cmdline->exec
*/
static CMDLINEARG(netconfig)
{
aFree(login->NET_CONF_NAME);
login->NET_CONF_NAME = aStrdup(params);
return true;
}
/**
* Defines the local command line arguments
*/
void cmdline_args_init_local(void)
{
CMDLINEARG_DEF2(login-config, loginconfig, "Alternative login-server configuration.", CMDLINE_OPT_PARAM);
CMDLINEARG_DEF2(net-config, netconfig, "Alternative subnet configuration.", CMDLINE_OPT_PARAM);
}
//------------------------------
// Login server initialization
//------------------------------
int do_init(int argc, char** argv)
{
int i;
// initialize engine (to accept config settings)
account_engine[0].db = account_engine[0].constructor();
accounts = account_engine[0].db;
if( accounts == NULL ) {
ShowFatalError("do_init: account engine 'sql' not found.\n");
exit(EXIT_FAILURE);
}
login_defaults();
lclif_defaults();
// read login-server configuration
login->config_set_defaults();
login->LOGIN_CONF_NAME = aStrdup("conf/login-server.conf");
login->NET_CONF_NAME = aStrdup("conf/network.conf");
lclif->init();
HPM_login_do_init();
cmdline->exec(argc, argv, CMDLINE_OPT_PREINIT);
HPM->config_read();
HPM->event(HPET_PRE_INIT);
cmdline->exec(argc, argv, CMDLINE_OPT_NORMAL);
login_config_read(login->LOGIN_CONF_NAME);
sockt->net_config_read(login->NET_CONF_NAME);
for( i = 0; i < ARRAYLENGTH(server); ++i )
chrif_server_init(i);
// initialize logging
if (login->config->log_login)
loginlog_init();
// initialize static and dynamic ipban system
ipban_init();
// Online user database init
login->online_db = idb_alloc(DB_OPT_RELEASE_DATA);
timer->add_func_list(login->waiting_disconnect_timer, "login->waiting_disconnect_timer");
// Interserver auth init
login->auth_db = idb_alloc(DB_OPT_RELEASE_DATA);
// set default parser as lclif->parse function
sockt->set_defaultparse(lclif->parse);
// every 10 minutes cleanup online account db.
timer->add_func_list(login->online_data_cleanup, "login->online_data_cleanup");
timer->add_interval(timer->gettick() + 600*1000, login->online_data_cleanup, 0, 0, 600*1000);
// add timer to detect ip address change and perform update
if (login->config->ip_sync_interval) {
timer->add_func_list(login->sync_ip_addresses, "login->sync_ip_addresses");
timer->add_interval(timer->gettick() + login->config->ip_sync_interval, login->sync_ip_addresses, 0, 0, login->config->ip_sync_interval);
}
// Account database init
if(!accounts->init(accounts)) {
ShowFatalError("do_init: Failed to initialize account engine 'sql'.\n");
exit(EXIT_FAILURE);
}
HPM->event(HPET_INIT);
// server port open & binding
if ((login->fd = sockt->make_listen_bind(login->config->login_ip,login->config->login_port)) == -1) {
ShowFatalError("Failed to bind to port '"CL_WHITE"%d"CL_RESET"'\n",login->config->login_port);
exit(EXIT_FAILURE);
}
if( core->runflag != CORE_ST_STOP ) {
core->shutdown_callback = do_shutdown_login;
core->runflag = LOGINSERVER_ST_RUNNING;
}
#ifdef CONSOLE_INPUT
console->display_gplnotice();
#endif // CONSOLE_INPUT
ShowStatus("The login-server is "CL_GREEN"ready"CL_RESET" (Server is listening on the port %u).\n\n", login->config->login_port);
login_log(0, "login server", 100, "login server started");
HPM->event(HPET_READY);
return 0;
}
void login_defaults(void) {
login = &login_s;
login->config = &login_config_;
login->accounts = accounts;
login->mmo_auth = login_mmo_auth;
login->mmo_auth_new = login_mmo_auth_new;
login->waiting_disconnect_timer = login_waiting_disconnect_timer;
login->create_online_user = login_create_online_user;
login->add_online_user = login_add_online_user;
login->remove_online_user = login_remove_online_user;
login->online_db_setoffline = login_online_db_setoffline;
login->online_data_cleanup_sub = login_online_data_cleanup_sub;
login->online_data_cleanup = login_online_data_cleanup;
login->sync_ip_addresses = login_sync_ip_addresses;
login->check_encrypted = login_check_encrypted;
login->check_password = login_check_password;
login->lan_subnet_check = login_lan_subnet_check;
login->fromchar_auth_ack = login_fromchar_auth_ack;
login->fromchar_accinfo = login_fromchar_accinfo;
login->fromchar_account = login_fromchar_account;
login->fromchar_account_update_other = login_fromchar_account_update_other;
login->fromchar_ban = login_fromchar_ban;
login->fromchar_change_sex_other = login_fromchar_change_sex_other;
login->fromchar_pong = login_fromchar_pong;
login->fromchar_parse_auth = login_fromchar_parse_auth;
login->fromchar_parse_update_users = login_fromchar_parse_update_users;
login->fromchar_parse_request_change_email = login_fromchar_parse_request_change_email;
login->fromchar_parse_account_data = login_fromchar_parse_account_data;
login->fromchar_parse_ping = login_fromchar_parse_ping;
login->fromchar_parse_change_email = login_fromchar_parse_change_email;
login->fromchar_parse_account_update = login_fromchar_parse_account_update;
login->fromchar_parse_ban = login_fromchar_parse_ban;
login->fromchar_parse_change_sex = login_fromchar_parse_change_sex;
login->fromchar_parse_account_reg2 = login_fromchar_parse_account_reg2;
login->fromchar_parse_unban = login_fromchar_parse_unban;
login->fromchar_parse_account_online = login_fromchar_parse_account_online;
login->fromchar_parse_account_offline = login_fromchar_parse_account_offline;
login->fromchar_parse_online_accounts = login_fromchar_parse_online_accounts;
login->fromchar_parse_request_account_reg2 = login_fromchar_parse_request_account_reg2;
login->fromchar_parse_update_wan_ip = login_fromchar_parse_update_wan_ip;
login->fromchar_parse_all_offline = login_fromchar_parse_all_offline;
login->fromchar_parse_change_pincode = login_fromchar_parse_change_pincode;
login->fromchar_parse_wrong_pincode = login_fromchar_parse_wrong_pincode;
login->fromchar_parse_accinfo = login_fromchar_parse_accinfo;
login->parse_fromchar = login_parse_fromchar;
login->client_login = login_client_login;
login->parse_request_connection = login_parse_request_connection;
login->auth_ok = login_auth_ok;
login->auth_failed = login_auth_failed;
login->char_server_connection_status = login_char_server_connection_status;
login->kick = login_kick;
login->config_set_defaults = login_config_set_defaults;
login->config_read = login_config_read;
login->LOGIN_CONF_NAME = NULL;
login->NET_CONF_NAME = NULL;
}