// 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/sql.h" #include "login.h" #include #include #include #include // 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 //Account registration flood protection [Kevin] int allowed_regs = 1; int time_allowed = 10; //in seconds unsigned int new_reg_tick = 0; // data handling (SQL) Sql* sql_handle; // database parameters uint16 login_server_port = 3306; char login_server_ip[32] = "127.0.0.1"; char login_server_id[32] = "ragnarok"; char login_server_pw[32] = "ragnarok"; char login_server_db[32] = "ragnarok"; char default_codepage[32] = ""; char login_db[256] = "login"; char loginlog_db[256] = "loginlog"; char reg_db[256] = "global_reg_value"; // added to help out custom login tables, without having to recompile // source so options are kept in the login_athena.conf or the inter_athena.conf char login_db_account_id[256] = "account_id"; char login_db_userid[256] = "userid"; char login_db_user_pass[256] = "user_pass"; char login_db_level[256] = "level"; //----------------------------------------------------- // 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; } //----------------------------------------------------- // Read GM accounts //----------------------------------------------------- void read_gm_account(void) { if( !login_config.login_gm_read ) return;// char server's job if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `%s`,`%s` FROM `%s` WHERE `%s` > '0'", login_db_account_id, login_db_level, login_db, login_db_level) ) { Sql_ShowDebug(sql_handle); return;// Failed to read GM list! } RECREATE(gm_account_db, struct gm_account, (size_t)Sql_NumRows(sql_handle)); for( GM_num = 0; SQL_SUCCESS == Sql_NextRow(sql_handle); ++GM_num ) { char* account; char* level; Sql_GetData(sql_handle, 0, &account, NULL); Sql_GetData(sql_handle, 1, &level, NULL); gm_account_db[GM_num].account_id = atoi(account); gm_account_db[GM_num].level = atoi(level); } Sql_FreeResult(sql_handle); } //----------------------------------------------------- // Send GM accounts to one or all char-servers //----------------------------------------------------- void send_GM_accounts(int fd) { unsigned int i; uint8 buf[32767]; uint16 len; if( !login_config.login_gm_read ) return; 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; } /*============================================= * Does a mysql_ping to all connection handles *---------------------------------------------*/ int login_sql_ping(int tid, unsigned int tick, int id, int data) { ShowInfo("Pinging SQL server to keep connection alive...\n"); Sql_Ping(sql_handle); return 0; } int sql_ping_init(void) { uint32 connection_timeout, connection_ping_interval; // set a default value first connection_timeout = 28800; // 8 hours // ask the mysql server for the timeout value if( SQL_SUCCESS == Sql_GetTimeout(sql_handle, &connection_timeout) && connection_timeout < 60 ) connection_timeout = 60; // establish keepalive connection_ping_interval = connection_timeout - 30; // 30-second reserve add_timer_func_list(login_sql_ping, "login_sql_ping"); add_timer_interval(gettick() + connection_ping_interval*1000, login_sql_ping, 0, 0, connection_ping_interval*1000); return 0; } //----------------------------------------------------- // Read Account database - mysql db //----------------------------------------------------- int mmo_auth_sqldb_init(void) { ShowStatus("Login server init....\n"); sql_handle = Sql_Malloc(); // DB connection start ShowStatus("Connect Login Database Server....\n"); if( SQL_ERROR == Sql_Connect(sql_handle, login_server_id, login_server_pw, login_server_ip, login_server_port, login_server_db) ) { Sql_ShowDebug(sql_handle); Sql_Free(sql_handle); exit(EXIT_FAILURE); } else { ShowStatus("Connect success!\n"); } if( default_codepage[0] != '\0' && SQL_ERROR == Sql_SetEncoding(sql_handle, default_codepage) ) Sql_ShowDebug(sql_handle); if( login_config.log_login && SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s` (`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '0', 'lserver','100','login server started')", loginlog_db) ) Sql_ShowDebug(sql_handle); sql_ping_init(); return 0; } //----------------------------------------------------- // close DB //----------------------------------------------------- void mmo_db_close(void) { int i, fd; //set log. if( login_config.log_login && SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '0', 'lserver','100', 'login server shutdown')", loginlog_db) ) Sql_ShowDebug(sql_handle); for( i = 0; i < MAX_SERVERS; ++i ) { fd = server[i].fd; if( session_isValid(fd) ) {// Clean only data related to servers we are connected to. [Skotlex] if( SQL_ERROR == Sql_Query(sql_handle, "DELETE FROM `sstatus` WHERE `index` = '%d'", i) ) Sql_ShowDebug(sql_handle); do_close(fd); } } Sql_Free(sql_handle); sql_handle = NULL; ShowStatus("close DB connect....\n"); if( login_fd > 0 ) do_close(login_fd); } //----------------------------------------------------- // 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; } //----------------------------------------------------- // 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* ld, int passwdenc, const char* passwd, const char* refpass) { if(passwdenc == 0) { return (0==strcmp(passwd, refpass)); } else if (ld) { // password mode set to 1 -> (md5key, refpass) enable with // password mode set to 2 -> (refpass, md5key) enable with return ((passwdenc&0x01) && check_encrypted(ld->md5key, refpass, passwd)) || ((passwdenc&0x02) && check_encrypted(refpass, ld->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(); char md5buf[32+1]; time_t expiration_time = 0; SqlStmt* stmt; int result = 0; //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; } // check if the account doesn't exist already stmt = SqlStmt_Malloc(sql_handle); if( SQL_SUCCESS != SqlStmt_Prepare(stmt, "SELECT `%s` FROM `%s` WHERE `userid` = ?", login_db_userid, login_db) || SQL_SUCCESS != SqlStmt_BindParam(stmt, 0, SQLDT_STRING, account->userid, strnlen(account->userid, NAME_LENGTH)) || SQL_SUCCESS != SqlStmt_Execute(stmt) ) { SqlStmt_ShowDebug(stmt); result = 1;// error } else if( SqlStmt_NumRows(stmt) > 0 ) result = 1;// username already taken SqlStmt_Free(stmt); if( result ) return result;// error or incorrect user if( login_config.start_limited_time != -1 ) expiration_time = time(NULL) + login_config.start_limited_time; // insert new entry into db //TODO: error checking stmt = SqlStmt_Malloc(sql_handle); SqlStmt_Prepare(stmt, "INSERT INTO `%s` (`%s`, `%s`, `sex`, `email`, `connect_until`) VALUES (?, ?, '%c', 'a@a.com', '%d')", login_db, login_db_userid, login_db_user_pass, account->sex, expiration_time); SqlStmt_BindParam(stmt, 0, SQLDT_STRING, account->userid, strnlen(account->userid, NAME_LENGTH)); if( login_config.use_md5_passwds ) { MD5_String(account->pass, md5buf); SqlStmt_BindParam(stmt, 1, SQLDT_STRING, md5buf, 32); } else SqlStmt_BindParam(stmt, 1, SQLDT_STRING, account->pass, strnlen(account->pass, NAME_LENGTH)); SqlStmt_Execute(stmt); ShowNotice("Account creation (account %s, id: %d, pass: %s, sex: %c)\n", account->userid, (int)SqlStmt_LastInsertId(stmt), account->pass, account->sex); SqlStmt_Free(stmt); 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) { time_t unban_time; char esc_userid[NAME_LENGTH*2+1];// escaped username char user_password[256], password[256]; long expiration_time; int state; size_t len; char* data; 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 { 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]. } } // escape username Sql_EscapeStringLen(sql_handle, esc_userid, sd->userid, len); // retrieve login entry for the specified username if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `%s`,`%s`,`lastlogin`,`sex`,`connect_until`,`ban_until`,`state`,`%s` FROM `%s` WHERE `%s`= %s '%s'", login_db_account_id, login_db_user_pass, login_db_level, login_db, login_db_userid, (login_config.case_sensitive ? "BINARY" : ""), esc_userid) ) Sql_ShowDebug(sql_handle); if( Sql_NumRows(sql_handle) == 0 ) // no such entry { ShowNotice("auth failed: no such account '%s'\n", esc_userid); Sql_FreeResult(sql_handle); return 0; } Sql_NextRow(sql_handle); //TODO: error checking? Sql_GetData(sql_handle, 0, &data, NULL); sd->account_id = atoi(data); Sql_GetData(sql_handle, 1, &data, &len); safestrncpy(password, data, sizeof(password)); Sql_GetData(sql_handle, 2, &data, NULL); safestrncpy(sd->lastlogin, data, sizeof(sd->lastlogin)); Sql_GetData(sql_handle, 3, &data, NULL); sd->sex = *data; Sql_GetData(sql_handle, 4, &data, NULL); expiration_time = atol(data); Sql_GetData(sql_handle, 5, &data, NULL); unban_time = atol(data); Sql_GetData(sql_handle, 6, &data, NULL); state = atoi(data); Sql_GetData(sql_handle, 7, &data, NULL); sd->level = atoi(data); if( len > sizeof(password) - 1 ) ShowDebug("mmo_auth: password buffer is too small (len=%u,buflen=%u)\n", len, sizeof(password)); if( sd->level > 99 ) sd->level = 99; Sql_FreeResult(sql_handle); 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, password) ) { ShowInfo("Invalid password (account: '%s', pass: '%s', received pass: '%s', ip: %s)\n", esc_userid, password, (sd->passwdenc) ? "[MD5]" : user_password, ip); return 1; // 1 = Incorrect Password } if( expiration_time != 0 && expiration_time < time(NULL) ) return 2; // 2 = This ID is expired if( unban_time != 0 && unban_time > time(NULL) ) return 6; // 6 = Your are Prohibited to log in until %s if( state ) { ShowInfo("Connection refused (account: %s, pass: %s, state: %d, ip: %s)\n", sd->userid, sd->passwd, state, ip); return state - 1; } sd->login_id1 = rand(); sd->login_id2 = rand(); 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); if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `lastlogin` = NOW(), `logincount`=`logincount`+1, `last_ip`='%s', `ban_until`='0', `state`='0' WHERE `%s` = '%d'", login_db, ip, login_db_account_id, sd->account_id) ) Sql_ShowDebug(sql_handle); 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 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. if( SQL_ERROR == Sql_Query(sql_handle, "DELETE FROM `sstatus` WHERE `index`='%d'", id) ) Sql_ShowDebug(sql_handle); 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); if( login_config.log_login ) { if( SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`log`) VALUES (NOW(), '%u', '%s', 'GM reload request')", loginlog_db, ipl, server[id].name) ) Sql_ShowDebug(sql_handle); } 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); uint32 login_id1 = RFIFOL(fd,6); uint32 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]; // each auth entry can only be used once idb_remove(auth_db, account_id); // retrieve email and account expiration time if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `email`,`connect_until` FROM `%s` WHERE `%s`='%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data = NULL; size_t len = 0; Sql_GetData(sql_handle, 0, &data, &len); safestrncpy(email, data, sizeof(email)); Sql_GetData(sql_handle, 1, &data, NULL); expiration_time = (uint32)strtoul(data, NULL, 10); if( len > sizeof(email) ) ShowDebug("parse_fromchar:0x2712: email is too long (len=%u,maxlen=%u)\n", len, sizeof(email)); Sql_FreeResult(sql_handle); } 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; if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `sstatus` SET `user` = '%d' WHERE `index` = '%d'", server[id].users, id) ) Sql_ShowDebug(sql_handle); } } 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); if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `email`,`connect_until` FROM `%s` WHERE `%s`='%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; size_t len; Sql_GetData(sql_handle, 0, &data, &len); safestrncpy(email, data, sizeof(email)); Sql_GetData(sql_handle, 1, &data, NULL); expiration_time = (uint32)strtoul(data, NULL, 10); Sql_FreeResult(sql_handle); } 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 .L .40B .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); safestrncpy(new_email, (char*)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 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 if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `%s`,`email` FROM `%s` WHERE `%s` = '%d'", login_db_userid, login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; size_t len; Sql_GetData(sql_handle, 1, &data, &len); if( strncasecmp(data, actual_email, sizeof(actual_email)) == 0 ) { char esc_user_id[NAME_LENGTH*2+1]; char esc_new_email[sizeof(new_email)*2+1]; Sql_GetData(sql_handle, 0, &data, &len); Sql_EscapeStringLen(sql_handle, esc_user_id, data, len); Sql_EscapeStringLen(sql_handle, esc_new_email, new_email, strnlen(new_email, sizeof(new_email))); if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `email` = '%s' WHERE `%s` = '%d'", login_db, esc_new_email, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); ShowInfo("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, esc_user_id, esc_new_email, ip); } Sql_FreeResult(sql_handle); } } 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); int state = RFIFOL(fd,6); RFIFOSKIP(fd,10); if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `state` FROM `%s` WHERE `%s` = '%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; Sql_GetData(sql_handle, 0, &data, NULL); if( atoi(data) != state && 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); } Sql_FreeResult(sql_handle); } if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `state` = '%d' WHERE `%s` = '%d'", login_db, state, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); } break; case 0x2725: // Receiving of map-server via char-server a ban request if (RFIFOREST(fd) < 18) return 0; { struct tm *tmtime; time_t tmptime = 0; time_t timestamp = time(NULL); 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); if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `unban_time` FROM `%s` WHERE `%s` = '%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; Sql_GetData(sql_handle, 0, &data, NULL); tmptime = (time_t)strtoul(data, NULL, 10); if( tmptime > time(NULL) ) timestamp = tmptime; } tmtime = localtime(×tamp); 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 != (time_t)-1 ) { if( timestamp <= time(NULL) ) timestamp = 0; if( tmptime != timestamp ) { if( timestamp != 0 ) { uint8 buf[11]; WBUFW(buf,0) = 0x2731; WBUFL(buf,2) = account_id; WBUFB(buf,6) = 1; // 0: change of statut, 1: ban WBUFL(buf,7) = (uint32)timestamp; // status or final date of a banishment charif_sendallwos(-1, buf, 11); } ShowNotice("Account: %d Banned until: %lu\n", account_id, (unsigned long)timestamp); if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `ban_until` = '%lu' WHERE `%s` = '%d'", login_db, (unsigned long)timestamp, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); } } } break; case 0x2727: // Change of sex (sex is reversed) if( RFIFOREST(fd) < 6 ) return 0; { int account_id = RFIFOL(fd,2); RFIFOSKIP(fd,6); if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `sex` FROM `%s` WHERE `%s` = '%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { unsigned char buf[7]; int sex; char* data; Sql_GetData(sql_handle, 0, &data, NULL); sex = ( *data == 'M' ) ? 'F' : 'M'; //Change gender if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `sex` = '%c' WHERE `%s` = '%d'", login_db, sex, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); WBUFW(buf,0) = 0x2723; WBUFL(buf,2) = account_id; WBUFB(buf,6) = sex_str2num(sex); charif_sendallwos(-1, buf, 7); } } break; case 0x2728: // save account_reg2 if( RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2) ) return 0; if( RFIFOL(fd,4) > 0 ) { SqlStmt* stmt; int account_id; size_t off; account_id = RFIFOL(fd,4); //Delete all global account variables.... if( SQL_ERROR == Sql_Query(sql_handle, "DELETE FROM `%s` WHERE `type`='1' AND `account_id`='%d';", reg_db, account_id) ) Sql_ShowDebug(sql_handle); //Proceed to insert them.... stmt = SqlStmt_Malloc(sql_handle); if( SQL_ERROR == SqlStmt_Prepare(stmt, "INSERT INTO `%s` (`type`, `account_id`, `str`, `value`) VALUES ( 1 , '%d' , ? , ?);", reg_db, account_id) ) SqlStmt_ShowDebug(stmt); for( i = 0, off = 13; i < ACCOUNT_REG2_NUM && off < RFIFOW(fd,2); ++i ) { char* p; size_t len; // str p = (char*)RFIFOP(fd,off); len = strlen(p); SqlStmt_BindParam(stmt, 0, SQLDT_STRING, p, len); off += len + 1; // value p = (char*)RFIFOP(fd,off); len = strlen(p); SqlStmt_BindParam(stmt, 1, SQLDT_STRING, p, len); off += len + 1; if( SQL_ERROR == SqlStmt_Execute(stmt) ) SqlStmt_ShowDebug(stmt); } SqlStmt_Free(stmt); // 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)); } 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); if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `ban_until` FROM `%s` WHERE `%s` = '%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); else if( Sql_NumRows(sql_handle) > 0 ) {// Found a match if( SQL_ERROR == Sql_Query(sql_handle, "UPDATE `%s` SET `ban_until` = '0' WHERE `%s` = '%d'", login_db, login_db_account_id, account_id) ) Sql_ShowDebug(sql_handle); } } 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 if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `str`,`value` FROM `%s` WHERE `type`='1' AND `account_id`='%d'", reg_db, account_id) ) Sql_ShowDebug(sql_handle); off = 13; while( SQL_SUCCESS == Sql_NextRow(sql_handle) && off < 9000 ) { char* data; // str Sql_GetData(sql_handle, 0, &data, NULL); if( *data != '\0' ) { off += sprintf((char*)WFIFOP(fd,off), "%s", data)+1; //We add 1 to consider the '\0' in place. // value Sql_GetData(sql_handle, 1, &data, NULL); off += sprintf((char*)WFIFOP(fd,off), "%s", data)+1; } } Sql_FreeResult(sql_handle); 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; } int login_ip_ban_check(uint32 ip) { uint8* p = (uint8*)&ip; char* data = NULL; int matches; if( SQL_ERROR == Sql_Query(sql_handle, "SELECT count(*) FROM `ipbanlist` WHERE `list` = '%u.*.*.*' OR `list` = '%u.%u.*.*' OR `list` = '%u.%u.%u.*' OR `list` = '%u.%u.%u.%u'", p[3], p[3], p[2], p[3], p[2], p[1], p[3], p[2], p[1], p[0]) ) { Sql_ShowDebug(sql_handle); // close connection because we can't verify their connectivity. return 1; } if( SQL_ERROR == Sql_NextRow(sql_handle) ) return 1;// Shouldn't happen, but just in case... Sql_GetData(sql_handle, 0, &data, NULL); matches = atoi(data); Sql_FreeResult(sql_handle); if( matches == 0 ) return 0;// No ban // ip ban ok. ShowInfo("Packet from banned ip : %u.%u.%u.%u\n", CONVIP(ip)); if( login_config.log_login && SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%u', 'unknown','-3', 'ip banned')", loginlog_db, ip) ) Sql_ShowDebug(sql_handle); return 1; } void login_auth_ok(struct login_session_data* sd) { int fd = sd->fd; uint32 ip = session[fd]->client_addr; char esc_userid[NAME_LENGTH*2+1]; uint8 server_num, n; uint32 subnet_char_ip; struct auth_node* node; int i; Sql_EscapeStringLen(sql_handle, esc_userid, sd->userid, strlen(sd->userid)); 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( login_config.log_login && SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%u', '%s','100', 'login ok')", loginlog_db, ip, esc_userid) ) Sql_ShowDebug(sql_handle); 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; uint32 ip = session[fd]->client_addr; char esc_userid[NAME_LENGTH*2+1]; Sql_EscapeStringLen(sql_handle, esc_userid, sd->userid, strlen(sd->userid)); 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; } if( SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%u', '%s', '%d','login failed : %s')", loginlog_db, ip, esc_userid, result, error) ) Sql_ShowDebug(sql_handle); } if( result == 1 && login_config.dynamic_pass_failure_ban && login_config.log_login ) // failed password { unsigned long failures = 0; if( SQL_ERROR == Sql_Query(sql_handle, "SELECT count(*) FROM `%s` WHERE `ip` = '%u' AND `rcode` = '1' AND `time` > NOW() - INTERVAL %d MINUTE", loginlog_db, ip, login_config.dynamic_pass_failure_ban_interval) )// how many times failed account? in one ip. Sql_ShowDebug(sql_handle); //check query result if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; Sql_GetData(sql_handle, 0, &data, NULL); failures = strtoul(data, NULL, 10); Sql_FreeResult(sql_handle); } if( failures >= login_config.dynamic_pass_failure_ban_limit ) { uint8* p = (uint8*)&ip; if( SQL_ERROR == Sql_Query(sql_handle, "INSERT INTO `ipbanlist`(`list`,`btime`,`rtime`,`reason`) VALUES ('%u.%u.%u.*', NOW() , NOW() + INTERVAL %d MINUTE ,'Password error ban: %s')", p[3], p[2], p[1], login_config.dynamic_pass_failure_ban_duration, esc_userid) ) Sql_ShowDebug(sql_handle); } } 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 if( SQL_ERROR == Sql_Query(sql_handle, "SELECT `ban_until` FROM `%s` WHERE `%s` = %s '%s'", login_db, login_db_userid, (login_config.case_sensitive ? "BINARY" : ""), esc_userid) ) Sql_ShowDebug(sql_handle); else if( SQL_SUCCESS == Sql_NextRow(sql_handle) ) { char* data; time_t unban_time; Sql_GetData(sql_handle, 0, &data, NULL); unban_time = (time_t)strtoul(data, NULL, 10); Sql_FreeResult(sql_handle); strftime((char*)WFIFOP(fd,3), 20, login_config.date_format, localtime(&unban_time)); } } 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 .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 .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 // Perform ip-ban check if( login_config.ipban && login_ip_ban_check(ipl) ) { ShowStatus("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n", ip); WFIFOHEAD(fd,23); WFIFOW(fd,0) = 0x6a; WFIFOB(fd,2) = 3; // 3 = Rejected from Server WFIFOSET(fd,23); RFIFOSKIP(fd,packet_len); set_eof(fd); break; } 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 .l .24B .24B .B // S 01dd .l .24B .16B .B // S 0277 .l .24B .24B .29B .B // S 02b0 .l .24B .24B .30B .B sd->version = RFIFOL(fd,2); safestrncpy(sd->userid, (char*)RFIFOP(fd,6), NAME_LENGTH);//## does it have to be nul-terminated? if (command != 0x01dd) { ShowStatus("Request for connection of %s (ip: %s).\n", sd->userid, ip); safestrncpy(sd->passwd, (char*)RFIFOP(fd,30), NAME_LENGTH);//## does it have to be nul-terminated? 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 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 esc_userid[NAME_LENGTH*2+1]; char server_name[20]; char esc_server_name[20*2+1]; uint32 server_ip; uint16 server_port; uint16 maintenance; uint16 new_; safestrncpy(sd->userid, (char*)RFIFOP(fd,2), NAME_LENGTH); safestrncpy(sd->passwd, (char*)RFIFOP(fd,26), NAME_LENGTH); 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); maintenance = RFIFOW(fd,82); new_ = RFIFOW(fd,84); RFIFOSKIP(fd,86); Sql_EscapeStringLen(sql_handle, esc_server_name, server_name, strnlen(server_name, 20)); Sql_EscapeStringLen(sql_handle, esc_userid, sd->userid, strnlen(sd->userid, NAME_LENGTH)); 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); if( login_config.log_login && SQL_ERROR == Sql_Query(sql_handle, "INSERT DELAYED INTO `%s`(`time`,`ip`,`user`,`rcode`,`log`) VALUES (NOW(), '%u', '%s@%s','100', 'charserver - %s@%u.%u.%u.%u:%d')", loginlog_db, ipl, esc_userid, esc_server_name, esc_server_name, CONVIP(server_ip), server_port) ) Sql_ShowDebug(sql_handle); 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); if( SQL_ERROR == Sql_Query(sql_handle, "REPLACE INTO `sstatus`(`index`,`name`,`user`) VALUES ( '%d', '%s', '%d')", sd->account_id, esc_server_name, 0) ) Sql_ShowDebug(sql_handle); } 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; 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; } //----------------------------------------------------- // clear expired ip bans //----------------------------------------------------- int ip_ban_flush(int tid, unsigned int tick, int id, int data) { if( SQL_ERROR == Sql_Query(sql_handle, "DELETE FROM `ipbanlist` WHERE `rtime` <= NOW()") ) Sql_ShowDebug(sql_handle); 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, "ipban")) login_config.ipban = (bool)config_switch(w2); else if(!strcmpi(w1, "dynamic_pass_failure_ban")) login_config.dynamic_pass_failure_ban = (bool)config_switch(w2); else if(!strcmpi(w1, "dynamic_pass_failure_ban_interval")) login_config.dynamic_pass_failure_ban_interval = atoi(w2); else if(!strcmpi(w1, "dynamic_pass_failure_ban_limit")) login_config.dynamic_pass_failure_ban_limit = atoi(w2); else if(!strcmpi(w1, "dynamic_pass_failure_ban_duration")) login_config.dynamic_pass_failure_ban_duration = 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 = (bool)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; } void sql_config_read(const char* cfgName) { char line[1024], w1[1024], w2[1024]; FILE* fp = fopen(cfgName, "r"); if(fp == NULL) { ShowError("file not found: %s\n", cfgName); return; } 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, "gm_read_method")) login_config.login_gm_read = (atoi(w2) == 0); else if (!strcmpi(w1, "login_db")) strcpy(login_db, w2); else if (!strcmpi(w1, "login_server_ip")) strcpy(login_server_ip, w2); else if (!strcmpi(w1, "login_server_port")) login_server_port = (uint16)atoi(w2); else if (!strcmpi(w1, "login_server_id")) strcpy(login_server_id, w2); else if (!strcmpi(w1, "login_server_pw")) strcpy(login_server_pw, w2); else if (!strcmpi(w1, "login_server_db")) strcpy(login_server_db, w2); else if (!strcmpi(w1, "default_codepage")) strcpy(default_codepage, w2); else if (!strcmpi(w1, "login_db_account_id")) strcpy(login_db_account_id, w2); else if (!strcmpi(w1, "login_db_userid")) strcpy(login_db_userid, w2); else if (!strcmpi(w1, "login_db_user_pass")) strcpy(login_db_user_pass, w2); else if (!strcmpi(w1, "login_db_level")) strcpy(login_db_level, w2); else if (!strcmpi(w1, "loginlog_db")) strcpy(loginlog_db, w2); else if (!strcmpi(w1, "reg_db")) strcpy(reg_db, w2); else if (!strcmpi(w1, "import")) sql_config_read(w2); } fclose(fp); ShowInfo("Done reading %s.\n", cfgName); } 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_db_close(); online_db->destroy(online_db, NULL); auth_db->destroy(auth_db, NULL); 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); sql_config_read(SQL_CONF_NAME); 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; // Online user database init online_db = idb_alloc(DB_OPT_RELEASE_DATA); add_timer_func_list(waiting_disconnect_timer, "waiting_disconnect_timer"); // Auth init auth_db = idb_alloc(DB_OPT_RELEASE_DATA); mmo_auth_sqldb_init(); // Read account information. if(login_config.login_gm_read) read_gm_account(); // set default parser as parse_login function set_defaultparse(parse_login); // ban deleter timer add_timer_func_list(ip_ban_flush, "ip_ban_flush"); add_timer_interval(gettick()+10, ip_ban_flush, 0, 0, 60*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; }