#include "login.hpp" // login.cpp - Core of the login server. // // Copyright © ????-2004 Athena Dev Teams // Copyright © 2004-2011 The Mana World Development Team // Copyright © 2011-2014 Ben Longbons // Copyright © 2014 MadCamel // // This file is part of The Mana World (Athena server) // // This program 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 . #include #include #include #include #include #include #include #include "../ints/udl.hpp" #include "../strings/mstring.hpp" #include "../strings/astring.hpp" #include "../strings/zstring.hpp" #include "../strings/xstring.hpp" #include "../strings/vstring.hpp" #include "../generic/db.hpp" #include "../generic/random.hpp" #include "../io/cxxstdio.hpp" #include "../io/lock.hpp" #include "../io/read.hpp" #include "../io/tty.hpp" #include "../io/write.hpp" #include "../net/packets.hpp" #include "../net/socket.hpp" #include "../net/timer.hpp" #include "../mmo/config_parse.hpp" #include "../mmo/core.hpp" #include "../mmo/extract.hpp" #include "../mmo/human_time_diff.hpp" #include "../mmo/ids.hpp" #include "../mmo/md5more.hpp" #include "../mmo/mmo.hpp" #include "../mmo/utils.hpp" #include "../mmo/version.hpp" #include "../proto2/any-user.hpp" #include "../proto2/login-admin.hpp" #include "../proto2/login-char.hpp" #include "../proto2/login-user.hpp" #include "../poison.hpp" namespace tmwa { constexpr int MAX_SERVERS = 30; constexpr AccountId START_ACCOUNT_NUM = wrap(2000000); constexpr AccountId END_ACCOUNT_NUM = wrap(100000000); struct mmo_account { AccountName userid; AccountPass passwd; int passwdenc; AccountId account_id; int login_id1; int login_id2; AccountId char_id; timestamp_milliseconds_buffer lastlogin; SEX sex; }; struct mmo_char_server { ServerName name; IP4Address ip; uint16_t port; uint16_t users; }; static AccountId account_id_count = START_ACCOUNT_NUM; static int new_account = 0; static int login_port = 6900; static IP4Address lan_char_ip = IP4_LOCALHOST; static IP4Mask lan_subnet = IP4Mask(IP4_LOCALHOST, IP4_BROADCAST); static AString update_host; static AccountName userid; static AccountPass passwd; static ServerName main_server; static AString account_filename = "save/account.txt"_s; static AString gm_account_filename = "save/gm_account.txt"_s; static AString login_log_filename = "log/login.log"_s; static AString login_log_unknown_packets_filename = "log/login_unknown_packets.log"_s; static int save_unknown_packets = 0; static tick_t creation_time_GM_account_file; static std::chrono::seconds gm_account_filename_check_timer = 15_s; static int display_parse_login = 0; // 0: no, 1: yes static int display_parse_admin = 0; // 0: no, 1: yes static int display_parse_fromchar = 0; // 0: no, 1: yes (without packet 0x2714), 2: all packets static Array server; static Array server_session; static Array server_freezeflag; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed static int anti_freeze_enable = 0; static std::chrono::seconds anti_freeze_interval = 15_s; static Session *login_session; enum class ACO { DENY_ALLOW, ALLOW_DENY, MUTUAL_FAILURE, }; static ACO access_order = ACO::DENY_ALLOW; static std::vector access_allow, access_deny, access_ladmin; static GmLevel min_level_to_connect = GmLevel::from(0_u32); // minimum level of player/GM (0: player, 1-99: gm) to connect on the server static int add_to_unlimited_account = 0; // Give possibility or not to adjust (ladmin command: timeadd) the time of an unlimited account. static int start_limited_time = -1; // Starting additional sec from now for the limited time at creation of accounts (-1: unlimited time, 0 or more: additional sec from now) static int check_ip_flag = 1; // It's to check IP of a player between login-server and char-server (part of anti-hacking system) DIAG_PUSH(); DIAG_I(missing_noreturn); void SessionDeleter::operator()(SessionData *) { assert(false && "login server does not have sessions anymore"_s); } DIAG_POP(); constexpr int AUTH_FIFO_SIZE = 256; struct AuthFifo { AccountId account_id; int login_id1, login_id2; IP4Address ip; SEX sex; int delflag; }; static Array auth_fifo; // TODO replace with auto_fifo_it static int auth_fifo_pos = 0; struct AuthData { AccountId account_id; SEX sex; AccountName userid; AccountCrypt pass; timestamp_milliseconds_buffer lastlogin; int logincount; int state; // packet 0x006a value + 1 (0: compte OK) AccountEmail email; // e-mail (by default: a@a.com) timestamp_seconds_buffer error_message; // Message of error code #6 = Your are Prohibited to log in until %s (packet 0x006a) TimeT ban_until_time; // # of seconds 1/1/1970 (timestamp): ban time limit of the account (0 = no ban) TimeT connect_until_time; // # of seconds 1/1/1970 (timestamp): Validity limit of the account (0 = unlimited) IP4Address last_ip; // save of last IP of connection VString<254> memo; // a memo field int account_reg2_num; Array account_reg2; }; static std::vector auth_data; static int admin_state = 0; static AccountPass admin_pass; static AString gm_pass; static GmLevel level_new_gm = GmLevel::from(60u); static Map gm_account_db; static pid_t pid = 0; // For forked DB writes //------------------------------ // Writing function of logs file //------------------------------ #define LOGIN_LOG(fmt, ...) \ login_log(STRPRINTF(fmt, ## __VA_ARGS__)) static void login_log(XString line) { io::AppendFile logfp(login_log_filename); if (!logfp.is_open()) return; log_with_timestamp(logfp, line); } static void delete_login(Session *sess) { (void)sess; } static void delete_fromchar(Session *sess) { auto it = std::find(server_session.begin(), server_session.end(), sess); assert (it != server_session.end()); int id = it - server_session.begin(); IP4Address ip = sess->client_ip; PRINTF("Char-server '%s' has disconnected.\n"_fmt, server[id].name); LOGIN_LOG("Char-server '%s' has disconnected (ip: %s).\n"_fmt, server[id].name, ip); server_session[id] = nullptr; server[id] = mmo_char_server{}; } static void delete_admin(Session *s) { PRINTF("Remote administration has disconnected (session #%d).\n"_fmt, s); } //---------------------------------------------------------------------- // Determine if an account (id) is a GM account // and returns its level (or 0 if it isn't a GM account or if not found) //---------------------------------------------------------------------- static GmLevel isGM(AccountId account_id) { GM_Account *p = gm_account_db.search(account_id); if (p == nullptr) return GmLevel(); return p->level; } //------------------------------------------------------- // Reading function of GM accounts file (and their level) //------------------------------------------------------- static int read_gm_account(void) { int c = 0; gm_account_db.clear(); creation_time_GM_account_file = file_modified(gm_account_filename); io::ReadFile fp(gm_account_filename); if (!fp.is_open()) { PRINTF("read_gm_account: GM accounts file [%s] not found.\n"_fmt, gm_account_filename); PRINTF(" Actually, there is no GM accounts on the server.\n"_fmt); LOGIN_LOG("read_gm_account: GM accounts file [%s] not found.\n"_fmt, gm_account_filename); LOGIN_LOG(" Actually, there is no GM accounts on the server.\n"_fmt); return 1; } // limited to 4000, because we send information to char-servers (more than 4000 GM accounts???) // int (id) + int (level) = 8 bytes * 4000 = 32k (limit of packets in windows) AString line; while (fp.getline(line) && c < 4000) { if (is_comment(line)) continue; GM_Account p {}; if (!extract(line, record<' '>(&p.account_id, &p.level))) PRINTF("read_gm_account: file [%s], invalid 'id_acount level' format: '%s'\n"_fmt, gm_account_filename, line); else { GmLevel GM_level = isGM(p.account_id); if (GM_level) { // if it's not a new account if (GM_level == p.level) PRINTF("read_gm_account: GM account %d defined twice (same level: %d).\n"_fmt, p.account_id, p.level); else PRINTF("read_gm_account: GM account %d defined twice (levels: %d and %d).\n"_fmt, p.account_id, GM_level, p.level); } if (GM_level != p.level) { // if new account or new level gm_account_db.insert(p.account_id, p); if (!GM_level) { // if new account c++; if (c >= 4000) { PRINTF("***WARNING: 4000 GM accounts found. Next GM accounts are not readed.\n"_fmt); LOGIN_LOG("***WARNING: 4000 GM accounts found. Next GM accounts are not readed.\n"_fmt); } } } } } PRINTF("read_gm_account: file '%s' readed (%d GM accounts found).\n"_fmt, gm_account_filename, c); LOGIN_LOG("read_gm_account: file '%s' readed (%d GM accounts found).\n"_fmt, gm_account_filename, c); return 0; } //--------------------- // Access control by IP //--------------------- static bool check_ip(IP4Address ip) { enum class ACF { DEF, ALLOW, DENY }; ACF flag = ACF::DEF; if (access_allow.empty() && access_deny.empty()) return 1; // When there is no restriction, all IP are authorised. if (std::find_if(access_allow.begin(), access_allow.end(), [&ip](IP4Mask m) { return m.covers(ip); }) != access_allow.end()) { { flag = ACF::ALLOW; if (access_order == ACO::ALLOW_DENY) // With 'allow, deny' (deny if not allow), allow has priority return 1; } } if (std::find_if(access_deny.begin(), access_deny.end(), [&ip](IP4Mask m) { return m.covers(ip); }) != access_deny.end()) { { flag = ACF::DENY; return 0; // At this point, if it's 'deny', we refuse connection. } } return flag == ACF::ALLOW || access_order == ACO::DENY_ALLOW; // With 'mutual-failture', only 'allow' and non 'deny' IP are authorised. // A non 'allow' (even non 'deny') IP is not authorised. It's like: if allowed and not denied, it's authorised. // So, it's disapproval if you have no description at the time of 'mutual-failture'. // With 'deny,allow' (allow if not deny), because here it's not deny, we authorise. } //-------------------------------- // Access control by IP for ladmin //-------------------------------- static bool check_ladminip(IP4Address ip) { if (access_ladmin.empty()) // When there is no restriction, all IP are authorised. return true; return std::find_if(access_ladmin.begin(), access_ladmin.end(), [&ip](IP4Mask m) { return m.covers(ip); }) != access_ladmin.end(); } //----------------------------------------------- // Search an account id // (return account pointer or nullptr (if not found)) //----------------------------------------------- static AuthData *search_account(AccountName account_name) { for (AuthData& ad : auth_data) { { if (ad.userid == account_name) return &ad; } } return nullptr; } //-------------------------------------------------------- // Create a string to save the account in the account file //-------------------------------------------------------- static AString mmo_auth_tostr(const AuthData *p) { MString str; str += STRPRINTF( "%d\t" "%s\t" "%s\t" "%s\t" "%c\t" "%d\t" "%d\t" "%s\t" "%s\t" "%lld\t" "%s\t" "%s\t" "%lld\t"_fmt, p->account_id, p->userid, p->pass, p->lastlogin, sex_to_char(p->sex), p->logincount, p->state, p->email, p->error_message, p->connect_until_time, p->last_ip, p->memo, p->ban_until_time); assert (p->account_reg2_num < ACCOUNT_REG2_NUM); for (int i = 0; i < p->account_reg2_num; i++) if (p->account_reg2[i].str) str += STRPRINTF("%s,%d "_fmt, p->account_reg2[i].str, p->account_reg2[i].value); return AString(str); } static bool extract(XString line, AuthData *ad) { std::vector vars; VString<1> sex; VString<15> ip; if (!extract(line, record<'\t'>( &ad->account_id, &ad->userid, &ad->pass, &ad->lastlogin, &sex, &ad->logincount, &ad->state, &ad->email, &ad->error_message, &ad->connect_until_time, &ip, &ad->memo, &ad->ban_until_time, vrec<' '>(&vars)))) return false; if (ad->lastlogin == stringish("-"_s)) stamp_time(ad->lastlogin); ad->last_ip = IP4Address(); if (ip != "-"_s && !extract(ip, &ad->last_ip)) return false; if (!(ad->account_id < END_ACCOUNT_NUM)) return false; // TODO replace *every* lookup with a map lookup static std::set seen_ids; static std::set seen_names; // we don't have to worry about deleted characters, // this is only called during startup auto _seen_id = seen_ids.insert(ad->account_id); if (!_seen_id.second) return false; auto _seen_name = seen_names.insert(ad->userid); if (!_seen_name.second) { seen_ids.erase(_seen_id.first); return false; } // If a password is not encrypted, we encrypt it now. // A password beginning with ! and - in the memo field is our magic if (!ad->pass.startswith('!') && ad->memo.startswith('-')) { XString pass = ad->pass; AccountPass plain = stringish(pass); ad->pass = MD5_saltcrypt(plain, make_salt()); ad->memo = '!'; } if (sex.size() != 1) return false; ad->sex = sex_from_char(sex.front()); if (ad->sex == SEX::NEUTRAL) return false; if (!e_mail_check(ad->email)) ad->email = DEFAULT_EMAIL; if (!ad->error_message || ad->state != 7) // 7, because state is packet 0x006a value + 1 ad->error_message = stringish("-"_s); if (vars.size() > ACCOUNT_REG2_NUM) return false; std::copy(vars.begin(), vars.end(), ad->account_reg2.begin()); ad->account_reg2_num = vars.size(); return true; } //--------------------------------- // Reading of the accounts database //--------------------------------- static int mmo_auth_init(void) { int gm_count = 0; io::ReadFile in(account_filename); if (!in.is_open()) { // no account file -> no account -> no login, including char-server (ERROR) // not anymore! :-) PRINTF(SGR_BOLD SGR_RED "mmo_auth_init: Accounts file [%s] not found." SGR_RESET "\n"_fmt, account_filename); return 0; } AString line; while (in.getline(line)) { if (is_comment(line)) continue; if (std::find_if(line.begin(), line.end(), [](unsigned char c) { return c < ' ' && c != '\t'; } ) != line.end()) continue; AuthData ad {}; if (!extract(line, &ad)) { if (extract(line, record<'\t'>(&ad.account_id, "%newid%"_s))) { if (account_id_count < ad.account_id) account_id_count = ad.account_id; } else LOGIN_LOG("Account skipped\n%s"_fmt, line); continue; } auth_data.push_back(ad); if (isGM(ad.account_id)) gm_count++; if (account_id_count < next(ad.account_id)) account_id_count = next(ad.account_id); } AString str = STRPRINTF("%s has %zu accounts (%d GMs)\n"_fmt, account_filename, auth_data.size(), gm_count); PRINTF("mmo_auth_init: %s\n"_fmt, str); LOGIN_LOG("%s\n"_fmt, line); return 0; } //------------------------------------------ // Writing of the accounts database file //------------------------------------------ static void mmo_auth_sync(void) { io::WriteLock fp(account_filename); if (!fp.is_open()) { PRINTF("uh-oh - unable to save accounts\n"_fmt); return; } FPRINTF(fp, "// Accounts file: here are saved all information about the accounts.\n"_fmt); FPRINTF(fp, "// Structure: ID, account name, password, last login time, sex, # of logins, state, email, error message for state 7, validity time, last (accepted) login ip, memo field, ban timestamp, repeated(register text, register value)\n"_fmt); FPRINTF(fp, "// Some explanations:\n"_fmt); FPRINTF(fp, "// account name : between 4 to 23 char for a normal account (standard client can't send less than 4 char).\n"_fmt); FPRINTF(fp, "// account password: between 4 to 23 char\n"_fmt); FPRINTF(fp, "// sex : M or F for normal accounts, S for server accounts\n"_fmt); FPRINTF(fp, "// state : 0: account is ok, 1 to 256: error code of packet 0x006a + 1\n"_fmt); FPRINTF(fp, "// email : between 3 to 39 char (a@a.com is like no email)\n"_fmt); FPRINTF(fp, "// error message : text for the state 7: 'Your are Prohibited to login until '. Max 19 char\n"_fmt); FPRINTF(fp, "// valitidy time : 0: unlimited account, : date calculated by addition of 1/1/1970 + value (number of seconds since the 1/1/1970)\n"_fmt); FPRINTF(fp, "// memo field : max 254 char\n"_fmt); FPRINTF(fp, "// ban time : 0: no ban, : banned until the date: date calculated by addition of 1/1/1970 + value (number of seconds since the 1/1/1970)\n"_fmt); for (const AuthData& ad : auth_data) { if (!ad.account_id) continue; AString line = mmo_auth_tostr(&ad); fp.put_line(line); } FPRINTF(fp, "%d\t%%newid%%\n"_fmt, account_id_count); } // We want to sync the DB to disk as little as possible as it's fairly // resource intensive. therefore most player-triggerable events that // update the account DB will not immideately trigger a save. Instead // we save periodicly on a timer. //----------------------------------------------------- static void check_auth_sync(TimerData *, tick_t) { if (pid != 0) { int status; pid_t temp = waitpid(pid, &status, WNOHANG); // Need to check status too? if (temp == 0) { return; } } // This can take a lot of time. Fork a child to handle the work and return at once // If we're unable to fork just continue running the function normally if ((pid = fork()) > 0) return; // If we're a child, run as a lower priority process if (pid == 0) setpriority(PRIO_PROCESS, getpid(), 10); mmo_auth_sync(); // If we're a child we should suicide now. if (pid == 0) _exit(0); return; } static auto iter_char_sessions() -> decltype(filter_iterator(&server_session)) { return filter_iterator(&server_session); } //----------------------------------------------------- // Send GM accounts to all char-server //----------------------------------------------------- static void send_GM_accounts(Session *only=nullptr) { std::vector> tail; for (const AuthData& ad : auth_data) { // send only existing accounts. We can not create a GM account when server is online. if (GmLevel GM_value = isGM(ad.account_id)) { Packet_Repeat<0x2732> item; item.account_id = ad.account_id; item.gm_level = GM_value; tail.push_back(item); } } if (only) { send_packet_repeatonly<0x2732, 4, 5>(only, tail); return; } for (Session *ss : iter_char_sessions()) { send_packet_repeatonly<0x2732, 4, 5>(ss, tail); } } //----------------------------------------------------- // Check if GM file account have been changed //----------------------------------------------------- static void check_GM_file(TimerData *, tick_t) { // if we would not check if (gm_account_filename_check_timer == interval_t::zero()) return; // get last modify time/date tick_t new_time = file_modified(gm_account_filename); if (new_time != creation_time_GM_account_file) { read_gm_account(); send_GM_accounts(); } } //------------------------------------- // Account creation (with e-mail check) //------------------------------------- static AccountId mmo_auth_new(struct mmo_account *account, SEX sex, AccountEmail email) { while (isGM(account_id_count)) account_id_count = next(account_id_count); struct AuthData ad {}; ad.account_id = account_id_count; account_id_count = next(account_id_count); ad.userid = account->userid; ad.pass = MD5_saltcrypt(account->passwd, make_salt()); stamp_time(ad.lastlogin); ad.sex = sex; ad.logincount = 0; ad.state = 0; if (!e_mail_check(email)) ad.email = DEFAULT_EMAIL; else ad.email = email; ad.error_message = stringish("-"_s); ad.ban_until_time = TimeT(); if (start_limited_time < 0) ad.connect_until_time = TimeT(); // unlimited else { // limited time TimeT timestamp = static_cast(TimeT::now()) + start_limited_time; // there used to be a silly overflow check here, but it wasn't // correct, and we don't support time-limited accounts. ad.connect_until_time = timestamp; } ad.last_ip = IP4Address(); ad.memo = "!"_s; ad.account_reg2_num = 0; auth_data.push_back(ad); return ad.account_id; } //--------------------------------------- // Check/authentification of a connection //--------------------------------------- static int mmo_auth(struct mmo_account *account, Session *s) { char new_account_sex = '\0'; IP4Address ip = s->client_ip; // Account creation with _M/_F if (account->passwdenc == 0 && (account->userid.endswith("_F"_s) || account->userid.endswith("_M"_s)) && new_account == 1 && account_id_count < END_ACCOUNT_NUM && (account->userid.size() - 2) >= 4 && account->passwd.size() >= 4) { new_account_sex = account->userid.back(); account->userid = stringish(account->userid.xrslice_h(2)); } // Strict account search AuthData *ad = search_account(account->userid); if (ad) { int encpasswdok = 0; if (new_account_sex) { LOGIN_LOG("Attempt of creation of an already existant account (account: %s_%c, ip: %s)\n"_fmt, account->userid, new_account_sex, ip); return 9; // 9 = Account already exists } if ((!pass_ok(account->passwd, ad->pass)) && !encpasswdok) { if (account->passwdenc == 0) LOGIN_LOG("Invalid password (account: %s, ip: %s)\n"_fmt, account->userid, ip); return 1; // 1 = Incorrect Password } if (ad->state) { LOGIN_LOG("Connection refused (account: %s, state: %d, ip: %s)\n"_fmt, account->userid, ad->state, ip); switch (ad->state) { // packet 0x006a value + 1 case 1: // 0 = Unregistered ID case 2: // 1 = Incorrect Password case 3: // 2 = This ID is expired case 4: // 3 = Rejected from Server case 5: // 4 = You have been blocked by the GM Team case 6: // 5 = Your Game's EXE file is not the latest version case 7: // 6 = Your are Prohibited to log in until %s case 8: // 7 = Server is jammed due to over populated case 9: // 8 = No MSG (actually, all states after 9 except 99 are No MSG, use only this) case 100: // 99 = This ID has been totally erased return ad->state - 1; default: return 99; // 99 = ID has been totally erased } } if (ad->ban_until_time) { // if account is banned timestamp_seconds_buffer tmpstr; stamp_time(tmpstr, &ad->ban_until_time); if (ad->ban_until_time > TimeT::now()) { // always banned LOGIN_LOG("Connection refused (account: %s, banned until %s, ip: %s)\n"_fmt, account->userid, tmpstr, ip); return 6; // 6 = Your are Prohibited to log in until %s } else { // ban is finished LOGIN_LOG("End of ban (account: %s, previously banned until %s -> not more banned, ip: %s)\n"_fmt, account->userid, tmpstr, ip); ad->ban_until_time = TimeT(); // reset the ban time } } if (ad->connect_until_time && ad->connect_until_time < TimeT::now()) { LOGIN_LOG("Connection refused (account: %s, expired ID, ip: %s)\n"_fmt, account->userid, ip); return 2; // 2 = This ID is expired } LOGIN_LOG("Authentification accepted (account: %s (id: %d), ip: %s)\n"_fmt, account->userid, ad->account_id, ip); } else { if (new_account_sex == '\0') { LOGIN_LOG("Unknown account (account: %s, ip: %s)\n"_fmt, account->userid, ip); return 0; // 0 = Unregistered ID } else { AccountId new_id = mmo_auth_new(account, sex_from_char(new_account_sex), DEFAULT_EMAIL); LOGIN_LOG("Account creation and authentification accepted (account %s (id: %d), sex: %c, connection with _F/_M, ip: %s)\n"_fmt, account->userid, new_id, new_account_sex, ip); ad = &auth_data.back(); } } timestamp_milliseconds_buffer tmpstr; stamp_time(tmpstr); account->account_id = ad->account_id; account->login_id1 = random_::generate(); account->login_id2 = random_::generate(); account->lastlogin = ad->lastlogin; ad->lastlogin = tmpstr; account->sex = ad->sex; ad->last_ip = ip; ad->logincount++; return -1; // account OK } //------------------------------- // Char-server anti-freeze system //------------------------------- static void char_anti_freeze_system(TimerData *, tick_t) { int i; for (i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { // if char-server is online if (server_freezeflag[i]-- < 1) { // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed PRINTF("Char-server anti-freeze system: char-server #%d '%s' is freezed -> disconnection.\n"_fmt, i, server[i].name); LOGIN_LOG("Char-server anti-freeze system: char-server #%d '%s' is freezed -> disconnection.\n"_fmt, i, server[i].name); server_session[i]->set_eof(); } } } } //-------------------------------- // Packet parsing for char-servers //-------------------------------- static void parse_fromchar(Session *s) { IP4Address ip = s->client_ip; int id; for (id = 0; id < MAX_SERVERS; id++) if (server_session[id] == s) break; if (id == MAX_SERVERS) { s->set_eof(); return; } RecvResult rv = RecvResult::Complete; uint16_t packet_id; while (rv == RecvResult::Complete && packet_peek_id(s, &packet_id)) { if (display_parse_fromchar == 2 || (display_parse_fromchar == 1 && packet_id != 0x2714)) // 0x2714 is done very often (number of players) PRINTF("parse_fromchar: connection #%d, packet: 0x%x (with being read: %zu bytes).\n"_fmt, s, packet_id, packet_avail(s)); switch (packet_id) { // request from map-server via char-server to reload GM accounts (by Yor). case 0x2709: { Packet_Fixed<0x2709> fixed; rv = recv_fpacket<0x2709, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("Char-server '%s': Request to re-load GM configuration file (ip: %s).\n"_fmt, server[id].name, ip); read_gm_account(); // send GM accounts to all char-servers send_GM_accounts(); break; } case 0x2712: // request from char-server to authentify an account { Packet_Fixed<0x2712> fixed; rv = recv_fpacket<0x2712, 19>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; int i; for (i = 0; i < AUTH_FIFO_SIZE; i++) { if (auth_fifo[i].account_id == acc && auth_fifo[i].login_id1 == fixed.login_id1 && auth_fifo[i].login_id2 == fixed.login_id2 && // relate to the versions higher than 18 auth_fifo[i].sex == fixed.sex && (!check_ip_flag || auth_fifo[i].ip == fixed.ip) && !auth_fifo[i].delflag) { auth_fifo[i].delflag = 1; LOGIN_LOG("Char-server '%s': authentification of the account %d accepted (ip: %s).\n"_fmt, server[id].name, acc, ip); for (const AuthData& ad : auth_data) { if (ad.account_id == acc) { Packet_Head<0x2729> head_29; head_29.account_id = acc; std::vector> repeat_29; int j; for (j = 0; j < ad.account_reg2_num; j++) { Packet_Repeat<0x2729> item; item.name = ad.account_reg2[j].str; item.value = ad.account_reg2[j].value; repeat_29.push_back(item); } send_vpacket<0x2729, 8, 36>(s, head_29, repeat_29); Packet_Fixed<0x2713> fixed_13; fixed_13.account_id = acc; fixed_13.invalid = 0; fixed_13.email = ad.email; fixed_13.connect_until = ad.connect_until_time; send_fpacket<0x2713, 51>(s, fixed_13); break; } } break; } } // authentification not found if (i == AUTH_FIFO_SIZE) { LOGIN_LOG("Char-server '%s': authentification of the account %d REFUSED (ip: %s).\n"_fmt, server[id].name, acc, ip); Packet_Fixed<0x2713> fixed_13; fixed_13.account_id = acc; fixed_13.invalid = 1; // fixed_13.email // fixed_13.connect_until send_fpacket<0x2713, 51>(s, fixed_13); } } break; } case 0x2714: { Packet_Fixed<0x2714> fixed; rv = recv_fpacket<0x2714, 6>(s, fixed); if (rv != RecvResult::Complete) break; server[id].users = fixed.users; if (anti_freeze_enable) server_freezeflag[id] = 5; // Char anti-freeze system. Counter. 5 ok, 4...0 freezed break; } // We receive an e-mail/limited time request, because a player comes back from a map-server to the char-server case 0x2716: { Packet_Fixed<0x2716> fixed; rv = recv_fpacket<0x2716, 6>(s, fixed); if (rv != RecvResult::Complete) break; AccountId account_id = fixed.account_id; for (const AuthData& ad : auth_data) { if (ad.account_id == account_id) { LOGIN_LOG("Char-server '%s': e-mail of the account %d found (ip: %s).\n"_fmt, server[id].name, account_id, ip); Packet_Fixed<0x2717> fixed_17; fixed_17.account_id = account_id; fixed_17.email = ad.email; fixed_17.connect_until = ad.connect_until_time; send_fpacket<0x2717, 50>(s, fixed_17); if (rv != RecvResult::Complete) break; goto x2716_end; } } LOGIN_LOG("Char-server '%s': e-mail of the account %d NOT found (ip: %s).\n"_fmt, server[id].name, account_id, ip); x2716_end: break; } case 0x2720: // To become GM request { Packet_Head<0x2720> head; AString repeat; rv = recv_vpacket<0x2720, 8, 1>(s, head, repeat); if (rv != RecvResult::Complete) break; { AccountId acc = head.account_id; Packet_Fixed<0x2721> fixed_21; fixed_21.account_id = acc; fixed_21.gm_level = GmLevel(); AString pass = repeat; if (pass == gm_pass) { // only non-GM can become GM if (!isGM(acc)) { // if we autorise creation if (level_new_gm) { // if we can open the file to add the new GM io::AppendFile fp(gm_account_filename); if (fp.is_open()) { timestamp_seconds_buffer tmpstr; stamp_time(tmpstr); FPRINTF(fp, "\n// %s: @GM command on account %d\n%d %d\n"_fmt, tmpstr, acc, acc, level_new_gm); if (!fp.close()) { PRINTF("warning: didn't actually save GM file\n"_fmt); } fixed_21.gm_level = level_new_gm; read_gm_account(); send_GM_accounts(); PRINTF("GM Change of the account %d: level 0 -> %d.\n"_fmt, acc, level_new_gm); LOGIN_LOG("Char-server '%s': GM Change of the account %d: level 0 -> %d (ip: %s).\n"_fmt, server[id].name, acc, level_new_gm, ip); } else { PRINTF("Error of GM change (suggested account: %d, correct password, unable to add a GM account in GM accounts file)\n"_fmt, acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d, correct password, unable to add a GM account in GM accounts file, ip: %s).\n"_fmt, server[id].name, acc, ip); } } else { PRINTF("Error of GM change (suggested account: %d, correct password, but GM creation is disable (level_new_gm = 0))\n"_fmt, acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d, correct password, but GM creation is disable (level_new_gm = 0), ip: %s).\n"_fmt, server[id].name, acc, ip); } } else { PRINTF("Error of GM change (suggested account: %d (already GM), correct password).\n"_fmt, acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d (already GM), correct password, ip: %s).\n"_fmt, server[id].name, acc, ip); } } else { PRINTF("Error of GM change (suggested account: %d, invalid password).\n"_fmt, acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d, invalid password, ip: %s).\n"_fmt, server[id].name, acc, ip); } for (Session *ss : iter_char_sessions()) { send_fpacket<0x2721, 10>(ss, fixed_21); } } break; } // Map server send information to change an email of an account via char-server case 0x2722: // 0x2722 .L .40B .40B { Packet_Fixed<0x2722> fixed; rv = recv_fpacket<0x2722, 86>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; AccountEmail actual_email = stringish(fixed.old_email.to_print()); AccountEmail new_email = fixed.new_email; if (!e_mail_check(actual_email)) LOGIN_LOG("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"_fmt, server[id].name, acc, ip); else if (!e_mail_check(new_email)) LOGIN_LOG("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"_fmt, server[id].name, acc, ip); else if (new_email == DEFAULT_EMAIL) LOGIN_LOG("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"_fmt, server[id].name, acc, ip); else { for (AuthData& ad : auth_data) { if (ad.account_id == acc) { if (ad.email == actual_email) { ad.email = new_email; LOGIN_LOG("Char-server '%s': Modify an e-mail on an account (@email GM command) (account: %d (%s), new e-mail: %s, ip: %s).\n"_fmt, server[id].name, acc, ad.userid, new_email, ip); } else LOGIN_LOG("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"_fmt, server[id].name, acc, ad.userid, ad.email, actual_email, ip); goto x2722_out; } } LOGIN_LOG("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"_fmt, server[id].name, acc, ip); } } x2722_out: break; } // Receiving of map-server via char-server a status change resquest (by Yor) case 0x2724: { Packet_Fixed<0x2724> fixed; rv = recv_fpacket<0x2724, 10>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; int statut = fixed.status; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { if (ad.state != statut) { LOGIN_LOG("Char-server '%s': Status change (account: %d, new status %d, ip: %s).\n"_fmt, server[id].name, acc, statut, ip); if (statut != 0) { Packet_Fixed<0x2731> fixed_31; fixed_31.account_id = acc; fixed_31.ban_not_status = 0; fixed_31.status_or_ban_until = static_cast(statut); for (Session *ss : iter_char_sessions()) { send_fpacket<0x2731, 11>(ss, fixed_31); } for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == acc) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } } ad.state = statut; } else LOGIN_LOG("Char-server '%s': Error of Status change - actual status is already the good status (account: %d, status %d, ip: %s).\n"_fmt, server[id].name, acc, statut, ip); goto x2724_out; } } LOGIN_LOG("Char-server '%s': Error of Status change (account: %d not found, suggested status %d, ip: %s).\n"_fmt, server[id].name, acc, statut, ip); x2724_out: ; } break; } case 0x2725: // Receiving of map-server via char-server a ban resquest (by Yor) { Packet_Fixed<0x2725> fixed; rv = recv_fpacket<0x2725, 18>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { TimeT now = TimeT::now(); TimeT timestamp; if (!ad.ban_until_time || ad.ban_until_time < now) timestamp = now; else timestamp = ad.ban_until_time; struct tm tmtime = timestamp; HumanTimeDiff ban_diff = fixed.ban_add; tmtime.tm_year += ban_diff.year; tmtime.tm_mon += ban_diff.month; tmtime.tm_mday += ban_diff.day; tmtime.tm_hour += ban_diff.hour; tmtime.tm_min += ban_diff.minute; tmtime.tm_sec += ban_diff.second; timestamp = tmtime; if (timestamp.okay()) { if (timestamp <= now) timestamp = TimeT(); if (ad.ban_until_time != timestamp) { if (timestamp) { timestamp_seconds_buffer tmpstr; if (timestamp) stamp_time(tmpstr, ×tamp); LOGIN_LOG("Char-server '%s': Ban request (account: %d, new final date of banishment: %lld (%s), ip: %s).\n"_fmt, server[id].name, acc, timestamp, tmpstr, ip); Packet_Fixed<0x2731> fixed_31; fixed_31.account_id = ad.account_id; fixed_31.ban_not_status = 1; fixed_31.status_or_ban_until = timestamp; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2731, 11>(ss, fixed_31); } for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == acc) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } } else { LOGIN_LOG("Char-server '%s': Error of ban request (account: %d, new date unbans the account, ip: %s).\n"_fmt, server[id].name, acc, ip); } ad.ban_until_time = timestamp; } else { LOGIN_LOG("Char-server '%s': Error of ban request (account: %d, no change for ban date, ip: %s).\n"_fmt, server[id].name, acc, ip); } } else { LOGIN_LOG("Char-server '%s': Error of ban request (account: %d, invalid date, ip: %s).\n"_fmt, server[id].name, acc, ip); } goto x2725_out; } } LOGIN_LOG("Char-server '%s': Error of ban request (account: %d not found, ip: %s).\n"_fmt, server[id].name, acc, ip); x2725_out: ; } break; } case 0x2727: // Change of sex (sex is reversed) { Packet_Fixed<0x2727> fixed; rv = recv_fpacket<0x2727, 6>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { { SEX sex; if (ad.sex == SEX::FEMALE) sex = SEX::MALE; else sex = SEX::FEMALE; LOGIN_LOG("Char-server '%s': Sex change (account: %d, new sex %c, ip: %s).\n"_fmt, server[id].name, acc, sex_to_char(sex), ip); for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == acc) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } ad.sex = sex; Packet_Fixed<0x2723> fixed_23; fixed_23.account_id = acc; fixed_23.sex = sex; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2723, 7>(ss, fixed_23); } } goto x2727_out; } } LOGIN_LOG("Char-server '%s': Error of sex change (account: %d not found, sex would be reversed, ip: %s).\n"_fmt, server[id].name, acc, ip); x2727_out: ; } break; } case 0x2728: // We receive account_reg2 from a char-server, and we send them to other char-servers. { Packet_Head<0x2728> head; std::vector> repeat; rv = recv_vpacket<0x2728, 8, 36>(s, head, repeat); if (rv != RecvResult::Complete) break; { AccountId acc = head.account_id; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { LOGIN_LOG("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d, ip: %s).\n"_fmt, server[id].name, acc, ip); const size_t count = std::min(ACCOUNT_REG2_NUM, repeat.size()); for (size_t j = 0; j < count; ++j) { ad.account_reg2[j].str = repeat[j].name; ad.account_reg2[j].value = repeat[j].value; } ad.account_reg2_num = count; // Sending information towards the other char-servers. Packet_Head<0x2729> head_29; std::vector> repeat_29(repeat.size()); head_29.account_id = head.account_id; for (size_t j = 0; j < count; ++j) { repeat_29[j].name = repeat[j].name; repeat_29[j].value = repeat[j].value; } for (Session *ss : iter_char_sessions()) { if (ss == s) continue; send_vpacket<0x2729, 8, 36>(ss, head_29, repeat_29); } goto x2728_out; } } LOGIN_LOG("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d not found, ip: %s).\n"_fmt, server[id].name, acc, ip); } x2728_out: break; } case 0x272a: // Receiving of map-server via char-server a unban resquest (by Yor) { Packet_Fixed<0x272a> fixed; rv = recv_fpacket<0x272a, 6>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { if (ad.ban_until_time) { ad.ban_until_time = TimeT(); LOGIN_LOG("Char-server '%s': UnBan request (account: %d, ip: %s).\n"_fmt, server[id].name, acc, ip); } else { LOGIN_LOG("Char-server '%s': Error of UnBan request (account: %d, no change for unban date, ip: %s).\n"_fmt, server[id].name, acc, ip); } goto x272a_out; } } LOGIN_LOG("Char-server '%s': Error of UnBan request (account: %d not found, ip: %s).\n"_fmt, server[id].name, acc, ip); x272a_out: ; } break; } // request from char-server to change account password case 0x2740: // 0x2740 .L .24B .24B { Packet_Fixed<0x2740> fixed; rv = recv_fpacket<0x2740, 54>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId acc = fixed.account_id; AccountPass actual_pass = stringish(fixed.old_pass.to_print()); AccountPass new_pass = stringish(fixed.new_pass.to_print()); int status = 0; for (AuthData& ad : auth_data) { if (ad.account_id == acc) { if (pass_ok(actual_pass, ad.pass)) { if (new_pass.size() < 4) status = 3; else { status = 1; ad.pass = MD5_saltcrypt(new_pass, make_salt()); LOGIN_LOG("Char-server '%s': Change pass success (account: %d (%s), ip: %s.\n"_fmt, server[id].name, acc, ad.userid, ip); } } else { status = 2; LOGIN_LOG("Char-server '%s': Attempt to modify a pass failed, wrong password. (account: %d (%s), ip: %s).\n"_fmt, server[id].name, acc, ad.userid, ip); } goto x2740_out; } } x2740_out: Packet_Fixed<0x2741> fixed_41; fixed_41.account_id = acc; fixed_41.status = status; send_fpacket<0x2741, 7>(s, fixed_41); } break; } default: { io::AppendFile logfp(login_log_unknown_packets_filename); if (logfp.is_open()) { timestamp_milliseconds_buffer timestr; stamp_time(timestr); FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n"_fmt, timestr); FPRINTF(logfp, "parse_fromchar: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n"_fmt, s, ip, packet_id, packet_avail(s)); FPRINTF(logfp, "Detail (in hex):\n"_fmt); packet_dump(logfp, s); } PRINTF("parse_fromchar: Unknown packet 0x%x (from a char-server)! -> disconnection.\n"_fmt, packet_id); s->set_eof(); PRINTF("Char-server has been disconnected (unknown packet).\n"_fmt); return; } } } if (rv == RecvResult::Error) s->set_eof(); return; } //--------------------------------------- // Packet parsing for administation login //--------------------------------------- static void parse_admin(Session *s) { IP4Address ip = s->client_ip; RecvResult rv = RecvResult::Complete; uint16_t packet_id; while (rv == RecvResult::Complete && packet_peek_id(s, &packet_id)) { if (display_parse_admin == 1) PRINTF("parse_admin: connection #%d, packet: 0x%x (with being read: %zu bytes).\n"_fmt, s, packet_id, packet_avail(s)); switch (packet_id) { case 0x7530: // Request of the server version { Packet_Fixed<0x7530> fixed; rv = recv_fpacket<0x7530, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("'ladmin': Sending of the server version (ip: %s)\n"_fmt, ip); Packet_Fixed<0x7531> fixed_31; fixed_31.version = CURRENT_LOGIN_SERVER_VERSION; send_fpacket<0x7531, 10>(s, fixed_31); break; } case 0x7532: // Request of end of connection { Packet_Fixed<0x7532> fixed; rv = recv_fpacket<0x7532, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("'ladmin': End of connection (ip: %s)\n"_fmt, ip); s->set_eof(); return; } case 0x7920: // Request of an accounts list { Packet_Fixed<0x7920> fixed; rv = recv_fpacket<0x7920, 10>(s, fixed); if (rv != RecvResult::Complete) break; { AccountId st = fixed.start_account_id; AccountId ed = fixed.end_account_id; if (!(ed < END_ACCOUNT_NUM) || ed < st || !ed) ed = END_ACCOUNT_NUM; LOGIN_LOG("'ladmin': Sending an accounts list (ask: from %d to %d, ip: %s)\n"_fmt, st, ed, ip); // Sending accounts information std::vector> repeat_21; for (const AuthData& ad : auth_data) { AccountId account_id = ad.account_id; if (!(account_id < st) && !(ed < account_id)) { Packet_Repeat<0x7921> info; info.account_id = account_id; info.gm_level = isGM(account_id); info.account_name = ad.userid; info.sex = ad.sex; info.login_count = ad.logincount; if (ad.state == 0 && ad.ban_until_time) // if no state and banished info.status = 7; // 6 = Your are Prohibited to log in until %s else info.status = ad.state; repeat_21.push_back(info); } } send_packet_repeatonly<0x7921, 4, 38>(s, repeat_21); } break; } case 0x7924: { // [Fate] Itemfrob package: change item IDs Packet_Fixed<0x7924> fixed; rv = recv_fpacket<0x7924, 10>(s, fixed); if (rv != RecvResult::Complete) break; for (Session *ss : iter_char_sessions()) { send_fpacket<0x7924, 10>(ss, fixed); } Packet_Fixed<0x7925> fixed_25; send_fpacket<0x7925, 2>(s, fixed_25); break; } case 0x7930: // Request for an account creation { Packet_Fixed<0x7930> fixed; rv = recv_fpacket<0x7930, 91>(s, fixed); if (rv != RecvResult::Complete) break; { struct mmo_account ma; // TODO make this a 'return false' bit of the network_to_native ma.userid = stringish(fixed.account_name.to_print()); ma.passwd = stringish(fixed.password.to_print()); stamp_time(ma.lastlogin); ma.sex = fixed.sex; Packet_Fixed<0x7931> fixed_31; fixed_31.account_id = AccountId(); fixed_31.account_name = ma.userid; if (ma.userid.size() < 4 || ma.passwd.size() < 4) { LOGIN_LOG("'ladmin': Attempt to create an invalid account (account or pass is too short, ip: %s)\n"_fmt, ip); } else if (ma.sex != SEX::FEMALE && ma.sex != SEX::MALE) { LOGIN_LOG("'ladmin': Attempt to create an invalid account (account: %s, invalid sex, ip: %s)\n"_fmt, ma.userid, ip); } else if (!(account_id_count < END_ACCOUNT_NUM)) { LOGIN_LOG("'ladmin': Attempt to create an account, but there is no more available id number (account: %s, sex: %c, ip: %s)\n"_fmt, ma.userid, sex_to_char(ma.sex), ip); } else { for (const AuthData& ad : auth_data) { if (ad.userid == ma.userid) { LOGIN_LOG("'ladmin': Attempt to create an already existing account (account: %s ip: %s)\n"_fmt, ad.userid, ip); goto x7930_out; } } { AccountEmail email = fixed.email; AccountId new_id = mmo_auth_new(&ma, ma.sex, email); LOGIN_LOG("'ladmin': Account creation (account: %s (id: %d), sex: %c, email: %s, ip: %s)\n"_fmt, ma.userid, new_id, sex_to_char(ma.sex), auth_data.back().email, ip); fixed_31.account_id = new_id; } } x7930_out: send_fpacket<0x7931, 30>(s, fixed_31); } break; } case 0x7932: // Request for an account deletion { Packet_Fixed<0x7932> fixed; rv = recv_fpacket<0x7932, 26>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7933> fixed_33; fixed_33.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); AuthData *ad = search_account(account_name); if (ad) { // Char-server is notified of deletion (for characters deletion). Packet_Fixed<0x2730> fixed_30; fixed_30.account_id = ad->account_id; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2730, 6>(ss, fixed_30); } // send answer fixed_33.account_name = ad->userid; fixed_33.account_id = ad->account_id; // save deleted account in log file LOGIN_LOG("'ladmin': Account deletion (account: %s, id: %d, ip: %s) - saved in next line:\n"_fmt, ad->userid, ad->account_id, ip); { AString buf2 = mmo_auth_tostr(ad); LOGIN_LOG("%s\n"_fmt, buf2); } // delete account ad->userid = AccountName(); ad->account_id = AccountId(); } else { fixed_33.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to delete an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); } send_fpacket<0x7933, 30>(s, fixed_33); break; } case 0x7934: // Request to change a password { Packet_Fixed<0x7934> fixed; rv = recv_fpacket<0x7934, 50>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7935> fixed_35; fixed_35.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); AuthData *ad = search_account(account_name); if (ad) { fixed_35.account_name = ad->userid; AccountPass plain = stringish(fixed.password); ad->pass = MD5_saltcrypt(plain, make_salt()); fixed_35.account_id = ad->account_id; LOGIN_LOG("'ladmin': Modification of a password (account: %s, new password: %s, ip: %s)\n"_fmt, ad->userid, ad->pass, ip); } else { fixed_35.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to modify the password of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); } send_fpacket<0x7935, 30>(s, fixed_35); break; } case 0x7936: // Request to modify a state { Packet_Fixed<0x7936> fixed; rv = recv_fpacket<0x7936, 50>(s, fixed); if (rv != RecvResult::Complete) break; { Packet_Fixed<0x7937> fixed_37; fixed_37.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); int statut = fixed.status; timestamp_seconds_buffer error_message = stringish(fixed.error_message.to_print()); if (statut != 7 || !error_message) { // 7: // 6 = Your are Prohibited to log in until %s error_message = stringish("-"_s); } AuthData *ad = search_account(account_name); if (ad) { fixed_37.account_name = ad->userid; fixed_37.account_id = ad->account_id; if (ad->state == statut && ad->error_message == error_message) LOGIN_LOG("'ladmin': Modification of a state, but the state of the account is already the good state (account: %s, received state: %d, ip: %s)\n"_fmt, account_name, statut, ip); else { if (statut == 7) LOGIN_LOG("'ladmin': Modification of a state (account: %s, new state: %d - prohibited to login until '%s', ip: %s)\n"_fmt, ad->userid, statut, error_message, ip); else LOGIN_LOG("'ladmin': Modification of a state (account: %s, new state: %d, ip: %s)\n"_fmt, ad->userid, statut, ip); if (ad->state == 0) { Packet_Fixed<0x2731> fixed_31; fixed_31.account_id = ad->account_id; fixed_31.ban_not_status = 0; fixed_31.status_or_ban_until = static_cast(statut); for (Session *ss : iter_char_sessions()) { send_fpacket<0x2731, 11>(ss, fixed_31); } for (int j = 0; j < AUTH_FIFO_SIZE; j++) if (auth_fifo[j].account_id == ad->account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } ad->state = statut; ad->error_message = error_message; } } else { fixed_37.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to modify the state of an unknown account (account: %s, received state: %d, ip: %s)\n"_fmt, account_name, statut, ip); } fixed_37.status = statut; send_fpacket<0x7937, 34>(s, fixed_37); } break; } case 0x7938: // Request for servers list and # of online players { Packet_Fixed<0x7938> fixed; rv = recv_fpacket<0x7938, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("'ladmin': Sending of servers list (ip: %s)\n"_fmt, ip); std::vector> repeat_39; for (int i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { Packet_Repeat<0x7939> info; info.ip = server[i].ip; info.port = server[i].port; info.name = server[i].name; info.users = server[i].users; info.maintenance = 0; info.is_new = 0; repeat_39.push_back(info); } } send_packet_repeatonly<0x7939, 4, 32>(s, repeat_39); break; } case 0x793a: // Request to password check { Packet_Fixed<0x793a> fixed; rv = recv_fpacket<0x793a, 50>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x793b> fixed_3b; fixed_3b.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); const AuthData *ad = search_account(account_name); if (ad) { fixed_3b.account_name = ad->userid; AccountPass pass = stringish(fixed.password); if (pass_ok(pass, ad->pass)) { fixed_3b.account_id = ad->account_id; LOGIN_LOG("'ladmin': Check of password OK (account: %s, password: %s, ip: %s)\n"_fmt, ad->userid, ad->pass, ip); } else { LOGIN_LOG("'ladmin': Failure of password check (account: %s, proposed pass: %s, ip: %s)\n"_fmt, ad->userid, pass.to_print(), ip); } } else { fixed_3b.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to check the password of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); } send_fpacket<0x793b, 30>(s, fixed_3b); break; } case 0x793c: // Request to modify sex { Packet_Fixed<0x793c> fixed; rv = recv_fpacket<0x793c, 27>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x793d> fixed_3d; fixed_3d.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); fixed_3d.account_name = account_name; { SEX sex = fixed.sex; if (sex != SEX::FEMALE && sex != SEX::MALE) { LOGIN_LOG("'ladmin': Attempt to give an invalid sex (account: %s, received sex: %c, ip: %s)\n"_fmt, account_name, sex_to_char(sex), ip); } else { AuthData *ad = search_account(account_name); if (ad) { fixed_3d.account_name = ad->userid; if (ad->sex != sex) { fixed_3d.account_id = ad->account_id; for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == ad->account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } ad->sex = sex; LOGIN_LOG("'ladmin': Modification of a sex (account: %s, new sex: %c, ip: %s)\n"_fmt, ad->userid, sex_to_char(sex), ip); // send to all char-server the change Packet_Fixed<0x2723> fixed_23; fixed_23.account_id = ad->account_id; fixed_23.sex = ad->sex; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2723, 7>(ss, fixed_23); } } else { LOGIN_LOG("'ladmin': Modification of a sex, but the sex is already the good sex (account: %s, sex: %c, ip: %s)\n"_fmt, ad->userid, sex_to_char(sex), ip); } } else { LOGIN_LOG("'ladmin': Attempt to modify the sex of an unknown account (account: %s, received sex: %c, ip: %s)\n"_fmt, account_name, sex_to_char(sex), ip); } } } send_fpacket<0x793d, 30>(s, fixed_3d); break; } case 0x793e: // Request to modify GM level { Packet_Fixed<0x793e> fixed; rv = recv_fpacket<0x793e, 27>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x793f> fixed_3f; fixed_3f.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); fixed_3f.account_name = account_name; bool reread = false; { GmLevel new_gm_level = fixed.gm_level; { const AuthData *ad = search_account(account_name); if (ad) { AccountId acc = ad->account_id; fixed_3f.account_name = ad->userid; if (isGM(acc) != new_gm_level) { // modification of the file AccountId GM_account; GmLevel GM_level; int modify_flag; io::WriteLock fp2(gm_account_filename); if (fp2.is_open()) { io::ReadFile fp(gm_account_filename); if (fp.is_open()) { timestamp_seconds_buffer tmpstr; stamp_time(tmpstr); modify_flag = 0; // read/write GM file AString line; while (fp.getline(line)) { if (is_comment(line)) fp2.put_line(line); else { if (!extract(line, record<' '>(&GM_account, &GM_level))) fp2.put_line(line); else if (GM_account != acc) fp2.put_line(line); else if (!new_gm_level) { FPRINTF(fp2, "// %s: 'ladmin' GM level removed on account %d '%s' (previous level: %d)\n//%d %d\n"_fmt, tmpstr, acc, ad->userid, GM_level, acc, new_gm_level); modify_flag = 1; } else { FPRINTF(fp2, "// %s: 'ladmin' GM level on account %d '%s' (previous level: %d)\n%d %d\n"_fmt, tmpstr, acc, ad->userid, GM_level, acc, new_gm_level); modify_flag = 1; } } } if (modify_flag == 0) FPRINTF(fp2, "// %s: 'ladmin' GM level on account %d '%s' (previous level: 0)\n%d %d\n"_fmt, tmpstr, acc, ad->userid, acc, new_gm_level); } else { LOGIN_LOG("'ladmin': Attempt to modify of a GM level - impossible to read GM accounts file (account: %s (%d), received GM level: %d, ip: %s)\n"_fmt, ad->userid, acc, new_gm_level, ip); } fixed_3f.account_id = acc; LOGIN_LOG("'ladmin': Modification of a GM level (account: %s (%d), new GM level: %d, ip: %s)\n"_fmt, ad->userid, acc, new_gm_level, ip); reread = true; } else { LOGIN_LOG("'ladmin': Attempt to modify of a GM level - impossible to write GM accounts file (account: %s (%d), received GM level: %d, ip: %s)\n"_fmt, ad->userid, acc, new_gm_level, ip); } } else { LOGIN_LOG("'ladmin': Attempt to modify of a GM level, but the GM level is already the good GM level (account: %s (%d), GM level: %d, ip: %s)\n"_fmt, ad->userid, acc, new_gm_level, ip); } } else { LOGIN_LOG("'ladmin': Attempt to modify the GM level of an unknown account (account: %s, received GM level: %d, ip: %s)\n"_fmt, account_name, new_gm_level, ip); } } } if (reread) { // read and send new GM informations read_gm_account(); send_GM_accounts(); } send_fpacket<0x793f, 30>(s, fixed_3f); break; } case 0x7940: // Request to modify e-mail { Packet_Fixed<0x7940> fixed; rv = recv_fpacket<0x7940, 66>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7941> fixed_41; fixed_41.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); fixed_41.account_name = account_name; { AccountEmail email = stringish(fixed.email); if (!e_mail_check(email)) { LOGIN_LOG("'ladmin': Attempt to give an invalid e-mail (account: %s, ip: %s)\n"_fmt, account_name, ip); } else { AuthData *ad = search_account(account_name); if (ad) { fixed_41.account_name = ad->userid; ad->email = email; fixed_41.account_id = ad->account_id; LOGIN_LOG("'ladmin': Modification of an email (account: %s, new e-mail: %s, ip: %s)\n"_fmt, ad->userid, email, ip); } else { LOGIN_LOG("'ladmin': Attempt to modify the e-mail of an unknown account (account: %s, received e-mail: %s, ip: %s)\n"_fmt, account_name, email, ip); } } } send_fpacket<0x7941, 30>(s, fixed_41); break; } case 0x7942: // Request to modify memo field { Packet_Head<0x7942> head; AString repeat; rv = recv_vpacket<0x7942, 28, 1>(s, head, repeat); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7943> fixed_43; fixed_43.account_id = AccountId(); AccountName account_name = stringish(head.account_name.to_print()); AuthData *ad = search_account(account_name); if (ad) { fixed_43.account_name = ad->userid; ad->memo = ""_s; if (!repeat/*.startswith('!')*/) { ad->memo = "!"_s; } else { // may truncate ad->memo = repeat; } ad->memo = ad->memo.to_print(); fixed_43.account_id = ad->account_id; LOGIN_LOG("'ladmin': Modification of a memo field (account: %s, new memo: %s, ip: %s)\n"_fmt, ad->userid, ad->memo, ip); } else { fixed_43.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to modify the memo field of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); } send_fpacket<0x7943, 30>(s, fixed_43); break; } case 0x7944: // Request to found an account id { Packet_Fixed<0x7944> fixed; rv = recv_fpacket<0x7944, 26>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7945> fixed_45; fixed_45.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); const AuthData *ad = search_account(account_name); if (ad) { fixed_45.account_name = ad->userid; fixed_45.account_id = ad->account_id; LOGIN_LOG("'ladmin': Request (by the name) of an account id (account: %s, id: %d, ip: %s)\n"_fmt, ad->userid, ad->account_id, ip); } else { fixed_45.account_name = account_name; LOGIN_LOG("'ladmin': ID request (by the name) of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); } send_fpacket<0x7945, 30>(s, fixed_45); break; } case 0x7946: // Request to found an account name { Packet_Fixed<0x7946> fixed; rv = recv_fpacket<0x7946, 6>(s, fixed); if (rv != RecvResult::Complete) break; AccountId account_id = fixed.account_id; Packet_Fixed<0x7947> fixed_47; fixed_47.account_id = account_id; fixed_47.account_name = {}; for (const AuthData& ad : auth_data) { if (ad.account_id == account_id) { fixed_47.account_name = ad.userid; LOGIN_LOG("'ladmin': Request (by id) of an account name (account: %s, id: %d, ip: %s)\n"_fmt, ad.userid, account_id, ip); goto x7946_out; } } LOGIN_LOG("'ladmin': Name request (by id) of an unknown account (id: %d, ip: %s)\n"_fmt, account_id, ip); fixed_47.account_name = stringish(""_s); x7946_out: send_fpacket<0x7947, 30>(s, fixed_47); break; } case 0x7948: // Request to change the validity limit (timestamp) (absolute value) { Packet_Fixed<0x7948> fixed; rv = recv_fpacket<0x7948, 30>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7949> fixed_49; { fixed_49.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); TimeT timestamp = fixed.valid_until; timestamp_seconds_buffer tmpstr = stringish("unlimited"_s); if (timestamp) stamp_time(tmpstr, ×tamp); AuthData *ad = search_account(account_name); if (ad) { fixed_49.account_name = ad->userid; LOGIN_LOG("'ladmin': Change of a validity limit (account: %s, new validity: %lld (%s), ip: %s)\n"_fmt, ad->userid, timestamp, tmpstr, ip); ad->connect_until_time = timestamp; fixed_49.account_id = ad->account_id; } else { fixed_49.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to change the validity limit of an unknown account (account: %s, received validity: %lld (%s), ip: %s)\n"_fmt, account_name, timestamp, tmpstr, ip); } fixed_49.valid_until = timestamp; } send_fpacket<0x7949, 34>(s, fixed_49); break; } case 0x794a: // Request to change the final date of a banishment (timestamp) (absolute value) { Packet_Fixed<0x794a> fixed; rv = recv_fpacket<0x794a, 30>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x794b> fixed_4b; { fixed_4b.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); TimeT timestamp = fixed.ban_until; if (timestamp <= TimeT::now()) timestamp = TimeT(); timestamp_seconds_buffer tmpstr = stringish("no banishment"_s); if (timestamp) stamp_time(tmpstr, ×tamp); AuthData *ad = search_account(account_name); if (ad) { fixed_4b.account_name = ad->userid; fixed_4b.account_id = ad->account_id; LOGIN_LOG("'ladmin': Change of the final date of a banishment (account: %s, new final date of banishment: %lld (%s), ip: %s)\n"_fmt, ad->userid, timestamp, tmpstr, ip); if (ad->ban_until_time != timestamp) { if (timestamp) { Packet_Fixed<0x2731> fixed_31; fixed_31.account_id = ad->account_id; fixed_31.ban_not_status = 1; fixed_31.status_or_ban_until = timestamp; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2731, 11>(ss, fixed_31); } for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == ad->account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } } ad->ban_until_time = timestamp; } } else { fixed_4b.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to change the final date of a banishment of an unknown account (account: %s, received final date of banishment: %lld (%s), ip: %s)\n"_fmt, account_name, timestamp, tmpstr, ip); } fixed_4b.ban_until = timestamp; } send_fpacket<0x794b, 34>(s, fixed_4b); break; } case 0x794c: // Request to change the final date of a banishment (timestamp) (relative change) { Packet_Fixed<0x794c> fixed; rv = recv_fpacket<0x794c, 38>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x794d> fixed_4d; { fixed_4d.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); AuthData *ad = search_account(account_name); if (ad) { fixed_4d.account_id = ad->account_id; fixed_4d.account_name = ad->userid; TimeT timestamp; TimeT now = TimeT::now(); if (!ad->ban_until_time || ad->ban_until_time < now) timestamp = now; else timestamp = ad->ban_until_time; struct tm tmtime = timestamp; HumanTimeDiff ban_diff = fixed.ban_add; tmtime.tm_year += ban_diff.year; tmtime.tm_mon += ban_diff.month; tmtime.tm_mday += ban_diff.day; tmtime.tm_hour += ban_diff.hour; tmtime.tm_min += ban_diff.minute; tmtime.tm_sec += ban_diff.second; timestamp = tmtime; if (timestamp.okay()) { if (timestamp <= now) timestamp = TimeT(); timestamp_seconds_buffer tmpstr = stringish("no banishment"_s); if (timestamp) stamp_time(tmpstr, ×tamp); LOGIN_LOG("'ladmin': Adjustment of a final date of a banishment (account: %s, (%+d y %+d m %+d d %+d h %+d mn %+d s) -> new validity: %lld (%s), ip: %s)\n"_fmt, ad->userid, ban_diff.year, ban_diff.month, ban_diff.day, ban_diff.hour, ban_diff.minute, ban_diff.second, timestamp, tmpstr, ip); if (ad->ban_until_time != timestamp) { if (timestamp) { Packet_Fixed<0x2731> fixed_31; fixed_31.account_id = ad->account_id; fixed_31.ban_not_status = 1; fixed_31.status_or_ban_until = timestamp; for (Session *ss : iter_char_sessions()) { send_fpacket<0x2731, 11>(ss, fixed_31); } for (int j = 0; j < AUTH_FIFO_SIZE; j++) { if (auth_fifo[j].account_id == ad->account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } } ad->ban_until_time = timestamp; } } else { timestamp_seconds_buffer tmpstr = stringish("no banishment"_s); if (ad->ban_until_time) stamp_time(tmpstr, &ad->ban_until_time); LOGIN_LOG("'ladmin': Impossible to adjust the final date of a banishment (account: %s, %lld (%s) + (%+d y %+d m %+d d %+d h %+d mn %+d s) -> ???, ip: %s)\n"_fmt, ad->userid, ad->ban_until_time, tmpstr, ban_diff.year, ban_diff.month, ban_diff.day, ban_diff.hour, ban_diff.minute, ban_diff.second, ip); } fixed_4d.ban_until = ad->ban_until_time; } else { fixed_4d.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to adjust the final date of a banishment of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); fixed_4d.ban_until = TimeT(); } } send_fpacket<0x794d, 34>(s, fixed_4d); break; } case 0x794e: // Request to send a broadcast message { Packet_Head<0x794e> head; AString repeat; rv = recv_vpacket<0x794e, 8, 1>(s, head, repeat); if (rv != RecvResult::Complete) break; Packet_Fixed<0x794f> fixed_4f; fixed_4f.error = -1; if (!repeat) { LOGIN_LOG("'ladmin': Receiving a message for broadcast, but message is void (ip: %s)\n"_fmt, ip); } else { // at least 1 char-server for (int i = 0; i < MAX_SERVERS; i++) if (server_session[i]) goto x794e_have_server; LOGIN_LOG("'ladmin': Receiving a message for broadcast, but no char-server is online (ip: %s)\n"_fmt, ip); goto x794e_have_no_server; { x794e_have_server: // overwrite the -1 fixed_4f.error = 0; AString& message = repeat; LOGIN_LOG("'ladmin': Receiving a message for broadcast (message: %s, ip: %s)\n"_fmt, message, ip); // send same message to all char-servers (no answer) Packet_Head<0x2726> head_26; head_26.unused = head.unused; for (Session *ss : iter_char_sessions()) { send_vpacket<0x2726, 8, 1>(ss, head_26, message); } } } x794e_have_no_server: send_fpacket<0x794f, 4>(s, fixed_4f); break; } case 0x7950: // Request to change the validity limite (timestamp) (relative change) { Packet_Fixed<0x7950> fixed; rv = recv_fpacket<0x7950, 38>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7951> fixed_51; { fixed_51.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); AuthData *ad = search_account(account_name); if (ad) { fixed_51.account_id = ad->account_id; fixed_51.account_name = ad->userid; if (add_to_unlimited_account == 0 && !ad->connect_until_time) { LOGIN_LOG("'ladmin': Attempt to adjust the validity limit of an unlimited account (account: %s, ip: %s)\n"_fmt, ad->userid, ip); fixed_51.valid_until = TimeT(); } else { TimeT now = TimeT::now(); TimeT timestamp = ad->connect_until_time; if (!timestamp || timestamp < now) timestamp = now; struct tm tmtime = timestamp; HumanTimeDiff v_diff = fixed.valid_add; tmtime.tm_year += v_diff.year; tmtime.tm_mon += v_diff.month; tmtime.tm_mday += v_diff.day; tmtime.tm_hour += v_diff.hour; tmtime.tm_min += v_diff.minute; tmtime.tm_sec += v_diff.second; timestamp = tmtime; if (timestamp.okay()) { timestamp_seconds_buffer tmpstr = stringish("unlimited"_s); timestamp_seconds_buffer tmpstr2 = stringish("unlimited"_s); if (ad->connect_until_time) stamp_time(tmpstr, &ad->connect_until_time); if (timestamp) stamp_time(tmpstr2, ×tamp); LOGIN_LOG("'ladmin': Adjustment of a validity limit (account: %s, %lld (%s) + (%+d y %+d m %+d d %+d h %+d mn %+d s) -> new validity: %lld (%s), ip: %s)\n"_fmt, ad->userid, ad->connect_until_time, tmpstr, v_diff.year, v_diff.month, v_diff.day, v_diff.hour, v_diff.minute, v_diff.second, timestamp, tmpstr2, ip); ad->connect_until_time = timestamp; fixed_51.valid_until = timestamp; } else { timestamp_seconds_buffer tmpstr = stringish("unlimited"_s); if (ad->connect_until_time) stamp_time(tmpstr, &ad->connect_until_time); LOGIN_LOG("'ladmin': Impossible to adjust a validity limit (account: %s, %lld (%s) + (%+d y %+d m %+d d %+d h %+d mn %+d s) -> ???, ip: %s)\n"_fmt, ad->userid, ad->connect_until_time, tmpstr, v_diff.year, v_diff.month, v_diff.day, v_diff.hour, v_diff.minute, v_diff.second, ip); fixed_51.valid_until = TimeT(); } } } else { fixed_51.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to adjust the validity limit of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); fixed_51.valid_until = TimeT(); } } send_fpacket<0x7951, 34>(s, fixed_51); break; } case 0x7952: // Request about informations of an account (by account name) { Packet_Fixed<0x7952> fixed; rv = recv_fpacket<0x7952, 26>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Head<0x7953> head_53; head_53.account_id = AccountId(); AccountName account_name = stringish(fixed.account_name.to_print()); const AuthData *ad = search_account(account_name); if (ad) { head_53.account_id = ad->account_id; head_53.gm_level = isGM(ad->account_id); head_53.account_name = ad->userid; head_53.sex = ad->sex; head_53.login_count = ad->logincount; head_53.state = ad->state; head_53.error_message = ad->error_message; head_53.last_login_string = ad->lastlogin; head_53.ip_string = convert_for_printf(ad->last_ip); head_53.email = ad->email; head_53.connect_until = ad->connect_until_time; head_53.ban_until = ad->ban_until_time; XString repeat_53 = ad->memo; LOGIN_LOG("'ladmin': Sending information of an account (request by the name; account: %s, id: %d, ip: %s)\n"_fmt, ad->userid, ad->account_id, ip); send_vpacket<0x7953, 150, 1>(s, head_53, repeat_53); } else { head_53.account_name = account_name; LOGIN_LOG("'ladmin': Attempt to obtain information (by the name) of an unknown account (account: %s, ip: %s)\n"_fmt, account_name, ip); send_vpacket<0x7953, 150, 1>(s, head_53, ""_s); } break; } case 0x7954: // Request about information of an account (by account id) { Packet_Fixed<0x7954> fixed; rv = recv_fpacket<0x7954, 6>(s, fixed); if (rv != RecvResult::Complete) break; AccountId account_id = fixed.account_id; Packet_Head<0x7953> head_53; head_53.account_id = account_id; head_53.account_name = AccountName(); for (const AuthData& ad : auth_data) { if (ad.account_id == account_id) { LOGIN_LOG("'ladmin': Sending information of an account (request by the id; account: %s, id: %d, ip: %s)\n"_fmt, ad.userid, account_id, ip); head_53.gm_level = isGM(ad.account_id); head_53.account_name = ad.userid; head_53.sex = ad.sex; head_53.login_count = ad.logincount; head_53.state = ad.state; head_53.error_message = ad.error_message; head_53.last_login_string = ad.lastlogin; head_53.ip_string = convert_for_printf(ad.last_ip); head_53.email = ad.email; head_53.connect_until = ad.connect_until_time; head_53.ban_until = ad.ban_until_time; XString repeat_53 = ad.memo; send_vpacket<0x7953, 150, 1>(s, head_53, repeat_53); goto x7954_out; } } { LOGIN_LOG("'ladmin': Attempt to obtain information (by the id) of an unknown account (id: %d, ip: %s)\n"_fmt, account_id, ip); head_53.account_name = stringish(""_s); send_vpacket<0x7953, 150, 1>(s, head_53, ""_s); } x7954_out: break; } case 0x7955: // Request to reload GM file (no answer) { Packet_Fixed<0x7955> fixed; rv = recv_fpacket<0x7955, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("'ladmin': Request to re-load GM configuration file (ip: %s).\n"_fmt, ip); read_gm_account(); // send GM accounts to all char-servers send_GM_accounts(); break; } default: { io::AppendFile logfp(login_log_unknown_packets_filename); if (logfp.is_open()) { timestamp_milliseconds_buffer timestr; stamp_time(timestr); FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n"_fmt, timestr); FPRINTF(logfp, "parse_admin: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n"_fmt, s, ip, packet_id, packet_avail(s)); FPRINTF(logfp, "Detail (in hex):\n"_fmt); packet_dump(logfp, s); } LOGIN_LOG("'ladmin': End of connection, unknown packet (ip: %s)\n"_fmt, ip); s->set_eof(); PRINTF("Remote administration has been disconnected (unknown packet).\n"_fmt); return; } } } if (rv == RecvResult::Error) s->set_eof(); return; } //-------------------------------------------- // Test to know if an IP come from LAN or WAN. //-------------------------------------------- static bool lan_ip_check(IP4Address p) { bool lancheck = lan_subnet.covers(p); PRINTF("LAN test (result): %s.\n"_fmt, (lancheck) ? SGR_BOLD SGR_CYAN "LAN source" SGR_RESET ""_s : SGR_BOLD SGR_GREEN "WAN source" SGR_RESET ""_s); return lancheck; } //---------------------------------------------------------------------------------------- // Default packet parsing (normal players or administation/char-server connexion requests) //---------------------------------------------------------------------------------------- static void parse_login(Session *s) { struct mmo_account account; int result; IP4Address ip = s->client_ip; RecvResult rv = RecvResult::Complete; uint16_t packet_id; while (rv == RecvResult::Complete && packet_peek_id(s, &packet_id)) { if (display_parse_login == 1) { if (packet_id == 0x64) { // handled below to handle account name } else if (packet_id == 0x2710) { // handled below to handle server name } else PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu).\n"_fmt, s, packet_id, packet_avail(s)); } switch (packet_id) { case 0x64: // Ask connection of a client { Packet_Fixed<0x0064> fixed; rv = recv_fpacket<0x0064, 55>(s, fixed); if (rv != RecvResult::Complete) break; // formerly at top of while { AccountName account_name = fixed.account_name; PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), account: %s.\n"_fmt, s, packet_id, packet_avail(s), account_name); } account.userid = fixed.account_name; account.passwd = fixed.account_pass; account.passwdenc = 0; LOGIN_LOG("Request for connection (non encryption mode) of %s (ip: %s).\n"_fmt, account.userid, ip); if (!check_ip(ip)) { LOGIN_LOG("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n"_fmt, ip); Packet_Fixed<0x006a> fixed_6a; fixed_6a.error_code = 0x03; fixed_6a.error_message = {}; send_fpacket<0x006a, 23>(s, fixed_6a); break; } result = mmo_auth(&account, s); if (result == -1) { VERSION_2 version_2 = fixed.version_2_flags; if (!bool(version_2 & VERSION_2::UPDATEHOST) || !bool(version_2 & VERSION_2::SERVERORDER)) result = 5; // client too old } if (result == -1) { GmLevel gm_level = isGM(account.account_id); if (!(gm_level.satisfies(min_level_to_connect))) { LOGIN_LOG("Connection refused: the minimum GM level for connection is %d (account: %s, GM level: %d, ip: %s).\n"_fmt, min_level_to_connect, account.userid, gm_level, ip); Packet_Fixed<0x0081> fixed_81; fixed_81.error_code = 1; // 01 = Server closed send_fpacket<0x0081, 3>(s, fixed_81); } else { // int version_2 = RFIFOB(fd, 54); // version 2 if (gm_level) PRINTF("Connection of the GM (level:%d) account '%s' accepted.\n"_fmt, gm_level, account.userid); else PRINTF("Connection of the account '%s' accepted.\n"_fmt, account.userid); /* * Add a 0x0063 packet, which contains the name of the update host. The packet will only * be sent if login_athena.conf contains a non-null entry for "update_host:" * * Because older clients cannot handle the 0x63 packet, we check the "version 2" value * from the incoming 0x64 packet (the byte at offset 54). If bit 0 of this is set, * then the client can safely accept the 0x63 packet. The "version 2" value is not * otherwise used by eAthena. * * All supported clients now send both, so the check is removed. */ // if (version_2 & VERSION_2_UPDATEHOST) { if (update_host) { send_packet_repeatonly<0x0063, 4, 1>(s, update_host); } } // Load list of char servers into outbound packet std::vector> repeat_69; // if (version_2 & VERSION_2_SERVERORDER) for (int i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { Packet_Repeat<0x0069> info; if (lan_ip_check(ip)) info.ip = lan_char_ip; else info.ip = server[i].ip; info.port = server[i].port; info.server_name = server[i].name; info.users = server[i].users; info.maintenance = 0; //maintenance; info.is_new = 0; //is_new; repeat_69.push_back(info); } } // if at least 1 char-server if (repeat_69.size()) { Packet_Head<0x0069> head_69; head_69.login_id1 = account.login_id1; head_69.account_id = account.account_id; head_69.login_id2 = account.login_id2; head_69.unused = 0; // in old version, that was for ip (not more used) head_69.last_login_string = account.lastlogin; // in old version, that was for name (not more used) head_69.unused2 = 0; head_69.sex = account.sex; send_vpacket<0x0069, 47, 32>(s, head_69, repeat_69); if (auth_fifo_pos >= AUTH_FIFO_SIZE) auth_fifo_pos = 0; auth_fifo[auth_fifo_pos].account_id = account.account_id; auth_fifo[auth_fifo_pos].login_id1 = account.login_id1; auth_fifo[auth_fifo_pos].login_id2 = account.login_id2; auth_fifo[auth_fifo_pos].sex = account.sex; auth_fifo[auth_fifo_pos].delflag = 0; auth_fifo[auth_fifo_pos].ip = s->client_ip; auth_fifo_pos++; // if no char-server, don't send void list of servers, just disconnect the player with proper message } else { LOGIN_LOG("Connection refused: there is no char-server online (account: %s, ip: %s).\n"_fmt, account.userid, ip); Packet_Fixed<0x0081> fixed_81; fixed_81.error_code = 1; // 01 = Server closed send_fpacket<0x0081, 3>(s, fixed_81); } } } else { Packet_Fixed<0x006a> fixed_6a; fixed_6a.error_code = result; if (result == 6) { // 6 = Your are Prohibited to log in until %s const AuthData *ad = search_account(account.userid); if (ad) { if (ad->ban_until_time) { // if account is banned, we send ban timestamp timestamp_seconds_buffer tmpstr; stamp_time(tmpstr, &ad->ban_until_time); fixed_6a.error_message = tmpstr; } else { // we send error message fixed_6a.error_message = ad->error_message; } } } send_fpacket<0x006a, 23>(s, fixed_6a); } break; } case 0x2710: // Connection request of a char-server { Packet_Fixed<0x2710> fixed; rv = recv_fpacket<0x2710, 86>(s, fixed); if (rv != RecvResult::Complete) break; // formerly at top of while { ServerName server_name = stringish(fixed.server_name); PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), server: %s.\n"_fmt, s, packet_id, packet_avail(s), server_name); } { // TODO: this is exceptionally silly. Fix it. account.userid = stringish(fixed.account_name.to_print()); account.passwd = stringish(fixed.account_pass.to_print()); account.passwdenc = 0; ServerName server_name = stringish(fixed.server_name.to_print()); LOGIN_LOG("Connection request of the char-server '%s' @ %s:%d (ip: %s)\n"_fmt, server_name, fixed.ip, fixed.port, ip); if (account.userid == userid && account.passwd == passwd) { // If this is the main server, and we don't already have a main server if (!server_session[0] && server_name == main_server) { account.account_id = wrap(0_u32); goto x2710_okay; } else { int i; for (i = 1; i < MAX_SERVERS; i++) { if (!server_session[i]) { account.account_id = wrap(i); goto x2710_okay; } } } } goto x2710_refused; { x2710_okay: LOGIN_LOG("Connection of the char-server '%s' accepted (account: %s, pass: %s, ip: %s)\n"_fmt, server_name, account.userid, account.passwd, ip); PRINTF("Connection of the char-server '%s' accepted.\n"_fmt, server_name); server[unwrap(account.account_id)] = mmo_char_server{}; server[unwrap(account.account_id)].ip = fixed.ip; server[unwrap(account.account_id)].port = fixed.port; server[unwrap(account.account_id)].name = server_name; server[unwrap(account.account_id)].users = 0; //maintenance = RFIFOW(fd, 82); //is_new = RFIFOW(fd, 84); server_session[unwrap(account.account_id)] = s; if (anti_freeze_enable) server_freezeflag[unwrap(account.account_id)] = 5; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed Packet_Fixed<0x2711> fixed_11; fixed_11.code = 0; send_fpacket<0x2711, 3>(s, fixed_11); s->set_parsers(SessionParsers{.func_parse= parse_fromchar, .func_delete= delete_fromchar}); realloc_fifo(s, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK); // send GM account to char-server send_GM_accounts(s); goto x2710_done; } { x2710_refused: LOGIN_LOG("Connexion of the char-server '%s' REFUSED (account: %s, pass: %s, ip: %s)\n"_fmt, server_name, account.userid, account.passwd, ip); Packet_Fixed<0x2711> fixed_11; fixed_11.code = 3; send_fpacket<0x2711, 3>(s, fixed_11); } } x2710_done: // justification: we switching the packet parser parse_fromchar(s); return; } case 0x7530: // Request of the server version { Packet_Fixed<0x7530> fixed; rv = recv_fpacket<0x7530, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("Sending of the server version (ip: %s)\n"_fmt, ip); Packet_Fixed<0x7531> fixed_31; Version version = CURRENT_LOGIN_SERVER_VERSION; version.flags = new_account ? 1 : 0; fixed_31.version = version; send_fpacket<0x7531, 10>(s, fixed_31); break; } case 0x7532: // Request to end connection { Packet_Fixed<0x7532> fixed; rv = recv_fpacket<0x7532, 2>(s, fixed); if (rv != RecvResult::Complete) break; LOGIN_LOG("End of connection (ip: %s)\n"_fmt, ip); s->set_eof(); return; } case 0x7918: // Request for administation login { Packet_Fixed<0x7918> fixed; rv = recv_fpacket<0x7918, 28>(s, fixed); if (rv != RecvResult::Complete) break; Packet_Fixed<0x7919> fixed_19; fixed_19.error = 1; if (!check_ladminip(s->client_ip)) { LOGIN_LOG("'ladmin'-login: Connection in administration mode refused: IP isn't authorised (ladmin_allow, ip: %s).\n"_fmt, ip); } else { if (fixed.encryption_zero == 0) { // non encrypted password AccountPass password = stringish(fixed.account_pass.to_print()); // If remote administration is enabled and password sent by client matches password read from login server configuration file if ((admin_state == 1) && (password == admin_pass)) { LOGIN_LOG("'ladmin'-login: Connection in administration mode accepted (non encrypted password: %s, ip: %s)\n"_fmt, password, ip); PRINTF("Connection of a remote administration accepted (non encrypted password).\n"_fmt); fixed_19.error = 0; s->set_parsers(SessionParsers{.func_parse= parse_admin, .func_delete= delete_admin}); } else if (admin_state != 1) LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (non encrypted password: %s, ip: %s)\n"_fmt, password, ip); else LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - invalid password (non encrypted password: %s, ip: %s)\n"_fmt, password, ip); } else { // encrypted password { LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - encrypted login is disabled (ip: %s)\n"_fmt, ip); } } } send_fpacket<0x7919, 3>(s, fixed_19); break; } default: { if (save_unknown_packets) { io::AppendFile logfp(login_log_unknown_packets_filename); if (logfp.is_open()) { timestamp_milliseconds_buffer timestr; stamp_time(timestr); FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n"_fmt, timestr); FPRINTF(logfp, "parse_login: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n"_fmt, s, ip, packet_id, packet_avail(s)); FPRINTF(logfp, "Detail (in hex):\n"_fmt); packet_dump(logfp, s); } } LOGIN_LOG("End of connection, unknown packet (ip: %s)\n"_fmt, ip); s->set_eof(); return; } } } if (rv == RecvResult::Error) s->set_eof(); } //---------------------------------- // Reading Lan Support configuration //---------------------------------- static bool login_lan_config(XString w1, ZString w2) { struct hostent *h = nullptr; { if (w1 == "lan_char_ip"_s) { // Read Char-Server Lan IP Address h = gethostbyname(w2.c_str()); if (h != nullptr) { lan_char_ip = IP4Address({ static_cast(h->h_addr[0]), static_cast(h->h_addr[1]), static_cast(h->h_addr[2]), static_cast(h->h_addr[3]), }); } else { PRINTF("Bad IP value: %s\n"_fmt, w2); return false; } PRINTF("LAN IP of char-server: %s.\n"_fmt, lan_char_ip); } else if (w1 == "subnet"_s /*backward compatibility*/ || w1 == "lan_subnet"_s) { if (!extract(w2, &lan_subnet)) { PRINTF("Bad IP mask: %s\n"_fmt, w2); return false; } PRINTF("Sub-network of the char-server: %s.\n"_fmt, lan_subnet); } else { return false; } } return true; } static bool lan_check() { // log the LAN configuration LOGIN_LOG("The LAN configuration of the server is set:\n"_fmt); LOGIN_LOG("- with LAN IP of char-server: %s.\n"_fmt, lan_char_ip); LOGIN_LOG("- with the sub-network of the char-server: %s.\n"_fmt, lan_subnet); // sub-network check of the char-server { PRINTF("LAN test of LAN IP of the char-server: "_fmt); if (!lan_ip_check(lan_char_ip)) { PRINTF(SGR_BOLD SGR_RED "***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network"_fmt SGR_RESET "\n"); LOGIN_LOG("***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network.\n"_fmt); return false; } } return true; } //----------------------------------- // Reading general configuration file //----------------------------------- static bool login_config(XString w1, ZString w2) { { if (w1 == "admin_state"_s) { admin_state = config_switch(w2); } else if (w1 == "admin_pass"_s) { admin_pass = stringish(w2); } else if (w1 == "ladminallowip"_s) { if (w2 == "clear"_s) { access_ladmin.clear(); } else { // a.b.c.d/0.0.0.0 (canonically, 0.0.0.0/0) covers all if (w2 == "all"_s) { // reset all previous values access_ladmin.clear(); // set to all access_ladmin.push_back(IP4Mask()); } else if (w2 && !(access_ladmin.size() == 1 && access_ladmin.front().mask() == IP4Address())) { // don't add IP if already 'all' IP4Mask n; if (!extract(w2, &n)) { PRINTF("Bad IP mask: %s\n"_fmt, w2); return false; } access_ladmin.push_back(n); } } } else if (w1 == "gm_pass"_s) { gm_pass = w2; } else if (w1 == "level_new_gm"_s) { level_new_gm = GmLevel::from(static_cast(atoi(w2.c_str()))); } else if (w1 == "new_account"_s) { new_account = config_switch(w2); } else if (w1 == "login_port"_s) { login_port = atoi(w2.c_str()); } else if (w1 == "account_filename"_s) { account_filename = w2; } else if (w1 == "gm_account_filename"_s) { gm_account_filename = w2; } else if (w1 == "gm_account_filename_check_timer"_s) { gm_account_filename_check_timer = std::chrono::seconds(atoi(w2.c_str())); } else if (w1 == "login_log_filename"_s) { login_log_filename = w2; } else if (w1 == "login_log_unknown_packets_filename"_s) { login_log_unknown_packets_filename = w2; } else if (w1 == "save_unknown_packets"_s) { save_unknown_packets = config_switch(w2); } else if (w1 == "display_parse_login"_s) { display_parse_login = config_switch(w2); // 0: no, 1: yes } else if (w1 == "display_parse_admin"_s) { display_parse_admin = config_switch(w2); // 0: no, 1: yes } else if (w1 == "display_parse_fromchar"_s) { display_parse_fromchar = config_switch(w2); // 0: no, 1: yes (without packet 0x2714), 2: all packets } else if (w1 == "min_level_to_connect"_s) { min_level_to_connect = GmLevel::from(static_cast(atoi(w2.c_str()))); } else if (w1 == "add_to_unlimited_account"_s) { add_to_unlimited_account = config_switch(w2); } else if (w1 == "start_limited_time"_s) { start_limited_time = atoi(w2.c_str()); } else if (w1 == "check_ip_flag"_s) { check_ip_flag = config_switch(w2); } else if (w1 == "order"_s) { if (w2 == "deny,allow"_s || w2 == "deny, allow"_s) access_order = ACO::DENY_ALLOW; else if (w2 == "allow,deny"_s || w2 == "allow, deny"_s) access_order = ACO::ALLOW_DENY; else if (w2 == "mutual-failture"_s || w2 == "mutual-failure"_s) access_order = ACO::MUTUAL_FAILURE; else { PRINTF("Bad order: %s\n"_fmt, w2); return false; } } else if (w1 == "allow"_s) { if (w2 == "clear"_s) { access_allow.clear(); } else { if (w2 == "all"_s) { // reset all previous values access_allow.clear(); // set to all access_allow.push_back(IP4Mask()); } else if (w2 && !(access_allow.size() == 1 && access_allow.front().mask() == IP4Address())) { // don't add IP if already 'all' IP4Mask n; if (!extract(w2, &n)) { PRINTF("Bad IP mask: %s\n"_fmt, w2); return false; } access_allow.push_back(n); } } } else if (w1 == "deny"_s) { if (w2 == "clear"_s) { access_deny.clear(); } else { if (w2 == "all"_s) { // reset all previous values access_deny.clear(); // set to all access_deny.push_back(IP4Mask()); } else if (w2 && !(access_deny.size() == 1 && access_deny.front().mask() == IP4Address())) { // don't add IP if already 'all' IP4Mask n; if (!extract(w2, &n)) { PRINTF("Bad IP mask: %s\n"_fmt, w2); return false; } access_deny.push_back(n); } } } else if (w1 == "anti_freeze_enable"_s) { anti_freeze_enable = config_switch(w2); } else if (w1 == "anti_freeze_interval"_s) { anti_freeze_interval = std::max( std::chrono::seconds(atoi(w2.c_str())), 5_s); } else if (w1 == "update_host"_s) { update_host = w2; } else if (w1 == "main_server"_s) { main_server = stringish(w2); } else if (w1 == "userid"_s) { userid = stringish(w2); } else if (w1 == "passwd"_s) { passwd = stringish(w2); } else { return false; } } return true; } //------------------------------------- // Displaying of configuration warnings //------------------------------------- static bool display_conf_warnings(void) { bool rv = true; if (admin_state != 0 && admin_state != 1) { PRINTF("***WARNING: Invalid value for admin_state parameter -> set to 0 (no remote admin).\n"_fmt); admin_state = 0; rv = false; } if (admin_state == 1) { if (!admin_pass) { PRINTF("***WARNING: Administrator password is void (admin_pass).\n"_fmt); rv = false; } else if (admin_pass == stringish("admin"_s)) { PRINTF("***WARNING: You are using the default administrator password (admin_pass).\n"_fmt); PRINTF(" We highly recommend that you change it.\n"_fmt); } } if (!gm_pass) { PRINTF("***WARNING: 'To GM become' password is void (gm_pass).\n"_fmt); PRINTF(" We highly recommend that you set one password.\n"_fmt); rv = false; } else if (gm_pass == "gm"_s) { PRINTF("***WARNING: You are using the default GM password (gm_pass).\n"_fmt); PRINTF(" We highly recommend that you change it.\n"_fmt); } if (new_account != 0 && new_account != 1) { PRINTF("***WARNING: Invalid value for new_account parameter -> set to 0 (no new account).\n"_fmt); new_account = 0; rv = false; } if (login_port < 1024 || login_port > 65535) { PRINTF("***WARNING: Invalid value for login_port parameter -> set to 6900 (default).\n"_fmt); login_port = 6900; rv = false; } if (gm_account_filename_check_timer.count() < 0) { PRINTF("***WARNING: Invalid value for gm_account_filename_check_timer parameter.\n"_fmt); PRINTF(" -> set to 15 sec (default).\n"_fmt); gm_account_filename_check_timer = 15_s; rv = false; } else if (gm_account_filename_check_timer == 1_s) { PRINTF("***WARNING: Invalid value for gm_account_filename_check_timer parameter.\n"_fmt); PRINTF(" -> set to 2 sec (minimum value).\n"_fmt); gm_account_filename_check_timer = 2_s; rv = false; } if (save_unknown_packets != 0 && save_unknown_packets != 1) { PRINTF("WARNING: Invalid value for save_unknown_packets parameter -> set to 0-no save.\n"_fmt); save_unknown_packets = 0; rv = false; } if (display_parse_login != 0 && display_parse_login != 1) { // 0: no, 1: yes PRINTF("***WARNING: Invalid value for display_parse_login parameter\n"_fmt); PRINTF(" -> set to 0 (no display).\n"_fmt); display_parse_login = 0; rv = false; } if (display_parse_admin != 0 && display_parse_admin != 1) { // 0: no, 1: yes PRINTF("***WARNING: Invalid value for display_parse_admin parameter\n"_fmt); PRINTF(" -> set to 0 (no display).\n"_fmt); display_parse_admin = 0; rv = false; } if (display_parse_fromchar < 0 || display_parse_fromchar > 2) { // 0: no, 1: yes (without packet 0x2714), 2: all packets PRINTF("***WARNING: Invalid value for display_parse_fromchar parameter\n"_fmt); PRINTF(" -> set to 0 (no display).\n"_fmt); display_parse_fromchar = 0; rv = false; } if (add_to_unlimited_account != 0 && add_to_unlimited_account != 1) { // 0: no, 1: yes PRINTF("***WARNING: Invalid value for add_to_unlimited_account parameter\n"_fmt); PRINTF(" -> set to 0 (impossible to add a time to an unlimited account).\n"_fmt); add_to_unlimited_account = 0; rv = false; } if (start_limited_time < -1) { // -1: create unlimited account, 0 or more: additionnal sec from now to create limited time PRINTF("***WARNING: Invalid value for start_limited_time parameter\n"_fmt); PRINTF(" -> set to -1 (new accounts are created with unlimited time).\n"_fmt); start_limited_time = -1; rv = false; } if (check_ip_flag != 0 && check_ip_flag != 1) { // 0: no, 1: yes PRINTF("***WARNING: Invalid value for check_ip_flag parameter\n"_fmt); PRINTF(" -> set to 1 (check players ip between login-server & char-server).\n"_fmt); check_ip_flag = 1; rv = false; } if (access_order == ACO::DENY_ALLOW) { if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { PRINTF("***WARNING: The IP security order is 'deny,allow' (allow if not deny).\n"_fmt); PRINTF(" And you refuse ALL IP.\n"_fmt); rv = false; } } else if (access_order == ACO::ALLOW_DENY) { if (access_allow.empty()) { PRINTF("***WARNING: The IP security order is 'allow,deny' (deny if not allow).\n"_fmt); PRINTF(" But, NO IP IS AUTHORISED!\n"_fmt); rv = false; } } else { // ACO::MUTUAL_FAILURE if (access_allow.empty()) { PRINTF("***WARNING: The IP security order is 'mutual-failture'\n"_fmt); PRINTF(" (allow if in the allow list and not in the deny list).\n"_fmt); PRINTF(" But, NO IP IS AUTHORISED!\n"_fmt); rv = false; } else if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { PRINTF("***WARNING: The IP security order is mutual-failture\n"_fmt); PRINTF(" (allow if in the allow list and not in the deny list).\n"_fmt); PRINTF(" But, you refuse ALL IP!\n"_fmt); rv = false; } } return rv; } //------------------------------- // Save configuration in log file //------------------------------- static void save_config_in_log(void) { // a newline in the log... LOGIN_LOG(""_fmt); LOGIN_LOG("The login-server starting...\n"_fmt); // save configuration in log file LOGIN_LOG("The configuration of the server is set:\n"_fmt); if (admin_state != 1) LOGIN_LOG("- with no remote administration.\n"_fmt); else if (!admin_pass) LOGIN_LOG("- with a remote administration with a VOID password.\n"_fmt); else if (admin_pass == stringish("admin"_s)) LOGIN_LOG("- with a remote administration with the DEFAULT password.\n"_fmt); else LOGIN_LOG("- with a remote administration with the password of %zu character(s).\n"_fmt, admin_pass.size()); if (access_ladmin.empty() || (access_ladmin.size() == 1 && access_ladmin.front().mask() == IP4Address())) { LOGIN_LOG("- to accept any IP for remote administration\n"_fmt); } else { LOGIN_LOG("- to accept following IP for remote administration:\n"_fmt); for (const IP4Mask& ae : access_ladmin) LOGIN_LOG(" %s\n"_fmt, ae); } if (!gm_pass) LOGIN_LOG("- with a VOID 'To GM become' password (gm_pass).\n"_fmt); else if (gm_pass == "gm"_s) LOGIN_LOG("- with the DEFAULT 'To GM become' password (gm_pass).\n"_fmt); else LOGIN_LOG("- with a 'To GM become' password (gm_pass) of %zu character(s).\n"_fmt, gm_pass.size()); if (!level_new_gm) LOGIN_LOG("- to refuse any creation of GM with @gm.\n"_fmt); else LOGIN_LOG("- to create GM with level '%d' when @gm is used.\n"_fmt, level_new_gm); if (new_account == 1) LOGIN_LOG("- to ALLOW new users (with _F/_M).\n"_fmt); else LOGIN_LOG("- to NOT ALLOW new users (with _F/_M).\n"_fmt); LOGIN_LOG("- with port: %d.\n"_fmt, login_port); LOGIN_LOG("- with the accounts file name: '%s'.\n"_fmt, account_filename); LOGIN_LOG("- with the GM accounts file name: '%s'.\n"_fmt, gm_account_filename); if (gm_account_filename_check_timer == interval_t::zero()) LOGIN_LOG("- to NOT check GM accounts file modifications.\n"_fmt); else LOGIN_LOG("- to check GM accounts file modifications every %lld seconds.\n"_fmt, maybe_cast(gm_account_filename_check_timer.count())); // not necessary to log the 'login_log_filename', we are inside :) LOGIN_LOG("- with the unknown packets file name: '%s'.\n"_fmt, login_log_unknown_packets_filename); if (save_unknown_packets) LOGIN_LOG("- to SAVE all unkown packets.\n"_fmt); else LOGIN_LOG("- to SAVE only unkown packets sending by a char-server or a remote administration.\n"_fmt); if (display_parse_login) LOGIN_LOG("- to display normal parse packets on console.\n"_fmt); else LOGIN_LOG("- to NOT display normal parse packets on console.\n"_fmt); if (display_parse_admin) LOGIN_LOG("- to display administration parse packets on console.\n"_fmt); else LOGIN_LOG("- to NOT display administration parse packets on console.\n"_fmt); if (display_parse_fromchar) LOGIN_LOG("- to display char-server parse packets on console.\n"_fmt); else LOGIN_LOG("- to NOT display char-server parse packets on console.\n"_fmt); if (!min_level_to_connect) // 0: all players, 1-99 at least gm level x LOGIN_LOG("- with no minimum level for connection.\n"_fmt); else LOGIN_LOG("- to accept only GM with level %d or more.\n"_fmt, min_level_to_connect); if (add_to_unlimited_account) LOGIN_LOG("- to authorize adjustment (with timeadd ladmin) on an unlimited account.\n"_fmt); else LOGIN_LOG("- to refuse adjustment (with timeadd ladmin) on an unlimited account. You must use timeset (ladmin command) before.\n"_fmt); if (start_limited_time < 0) LOGIN_LOG("- to create new accounts with an unlimited time.\n"_fmt); else if (start_limited_time == 0) LOGIN_LOG("- to create new accounts with a limited time: time of creation.\n"_fmt); else LOGIN_LOG("- to create new accounts with a limited time: time of creation + %d second(s).\n"_fmt, start_limited_time); if (check_ip_flag) LOGIN_LOG("- with control of players IP between login-server and char-server.\n"_fmt); else LOGIN_LOG("- to not check players IP between login-server and char-server.\n"_fmt); if (access_order == ACO::DENY_ALLOW) { if (access_deny.empty()) { LOGIN_LOG("- with the IP security order: 'deny,allow' (allow if not deny). You refuse no IP.\n"_fmt); } else if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { LOGIN_LOG("- with the IP security order: 'deny,allow' (allow if not deny). You refuse ALL IP.\n"_fmt); } else { LOGIN_LOG("- with the IP security order: 'deny,allow' (allow if not deny). Refused IP are:\n"_fmt); for (IP4Mask ae : access_deny) LOGIN_LOG(" %s\n"_fmt, ae); } } else if (access_order == ACO::ALLOW_DENY) { if (access_allow.empty()) { LOGIN_LOG("- with the IP security order: 'allow,deny' (deny if not allow). But, NO IP IS AUTHORISED!\n"_fmt); } else if (access_allow.size() == 1 && access_allow.front().mask() == IP4Address()) { LOGIN_LOG("- with the IP security order: 'allow,deny' (deny if not allow). You authorise ALL IP.\n"_fmt); } else { LOGIN_LOG("- with the IP security order: 'allow,deny' (deny if not allow). Authorised IP are:\n"_fmt); for (IP4Mask ae : access_allow) LOGIN_LOG(" %s\n"_fmt, ae); } } else { // ACO_MUTUAL_FAILTURE LOGIN_LOG("- with the IP security order: 'mutual-failture' (allow if in the allow list and not in the deny list).\n"_fmt); if (access_allow.empty()) { LOGIN_LOG(" But, NO IP IS AUTHORISED!\n"_fmt); } else if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { LOGIN_LOG(" But, you refuse ALL IP!\n"_fmt); } else { if (access_allow.size() == 1 && access_allow.front().mask() == IP4Address()) { LOGIN_LOG(" You authorise ALL IP.\n"_fmt); } else { LOGIN_LOG(" Authorised IP are:\n"_fmt); for (IP4Mask ae : access_allow) LOGIN_LOG(" %s\n"_fmt, ae); } LOGIN_LOG(" Refused IP are:\n"_fmt); for (IP4Mask ae : access_deny) LOGIN_LOG(" %s\n"_fmt, ae); } } } //-------------------------------------- // Function called at exit of the server //-------------------------------------- void term_func(void) { mmo_auth_sync(); auth_data.clear(); gm_account_db.clear(); for (int i = 0; i < MAX_SERVERS; i++) { Session *s = server_session[i]; if (s) delete_session(s); } delete_session(login_session); LOGIN_LOG("----End of login-server (normal end with closing of all files).\n"_fmt); } static bool login_confs(XString key, ZString value) { unsigned sum = 0; sum += login_config(key, value); sum += login_lan_config(key, value); if (sum >= 2) abort(); return sum; } //------------------------------ // Main function of login-server //------------------------------ int do_init(Slice argv) { ZString argv0 = argv.pop_front(); bool loaded_config_yet = false; while (argv) { ZString argvi = argv.pop_front(); if (argvi.startswith('-')) { if (argvi == "--help"_s) { PRINTF("Usage: %s [--help] [--version] [files...]\n"_fmt, argv0); exit(0); } else if (argvi == "--version"_s) { PRINTF("%s\n"_fmt, CURRENT_VERSION_STRING); exit(0); } else { FPRINTF(stderr, "Unknown argument: %s\n"_fmt, argvi); runflag = false; } } else { loaded_config_yet = true; runflag &= load_config_file(argvi, login_confs); } } if (!loaded_config_yet) runflag &= load_config_file("conf/tmwa-login.conf"_s, login_confs); // not in login_config_read, because we can use 'import' option, and display same message twice or more // (why is that bad?) runflag &= display_conf_warnings(); // not before, because log file name can be changed // (that doesn't stop the char-server though) save_config_in_log(); runflag &= lan_check(); for (int i = 0; i < AUTH_FIFO_SIZE; i++) auth_fifo[i].delflag = 1; for (int i = 0; i < MAX_SERVERS; i++) server_session[i] = nullptr; read_gm_account(); mmo_auth_init(); // set_termfunc (mmo_auth_sync); login_session = make_listen_port(login_port, SessionParsers{.func_parse= parse_login, .func_delete= delete_login}); Timer(gettick() + 5_min, check_auth_sync, 5_min ).detach(); if (anti_freeze_enable > 0) { Timer(gettick() + 1_s, char_anti_freeze_system, anti_freeze_interval ).detach(); } // add timer to check GM accounts file modification std::chrono::seconds j = gm_account_filename_check_timer; if (j == interval_t::zero()) j = 1_min; Timer(gettick() + j, check_GM_file, j).detach(); LOGIN_LOG("The login-server is ready (Server is listening on the port %d).\n"_fmt, login_port); PRINTF("The login-server is " SGR_BOLD SGR_GREEN "ready" SGR_RESET " (Server is listening on the port %d).\n\n"_fmt, login_port); return 0; } } // namespace tmwa