#include #include #include #include #include #include #include #include #include #include #include #include #include #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 "../mmo/config_parse.hpp" #include "../mmo/core.hpp" #include "../mmo/extract.hpp" #include "../mmo/human_time_diff.hpp" #include "../mmo/md5more.hpp" #include "../mmo/mmo.hpp" #include "../mmo/socket.hpp" #include "../mmo/timer.hpp" #include "../mmo/version.hpp" #include "../mmo/utils.hpp" #include "../poison.hpp" constexpr int MAX_SERVERS = 30; constexpr int START_ACCOUNT_NUM = 2000000; constexpr int END_ACCOUNT_NUM = 100000000; struct mmo_account { AccountName userid; AccountPass passwd; int passwdenc; long account_id; long login_id1; long login_id2; long char_id; timestamp_milliseconds_buffer lastlogin; SEX sex; }; struct mmo_char_server { ServerName name; IP4Address ip; uint16_t port; uint16_t users; }; static int account_id_count = START_ACCOUNT_NUM; static int server_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"; static AString gm_account_filename = "save/gm_account.txt"; static AString login_log_filename = "log/login.log"; static AString login_log_unknown_packets_filename = "log/login_unknown_packets.log"; static int save_unknown_packets = 0; static tick_t creation_time_GM_account_file; static std::chrono::seconds gm_account_filename_check_timer = std::chrono::seconds(15); 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 = std::chrono::seconds(15); 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 int min_level_to_connect = 0; // 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) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wmissing-noreturn" void SessionDeleter::operator()(SessionData *) { assert(false && "login server does not have sessions anymore"); } #pragma GCC diagnostic pop constexpr int AUTH_FIFO_SIZE = 256; struct AuthFifo { int account_id, login_id1, login_id2; IP4Address ip; SEX sex; int delflag; }; Array auth_fifo; static int auth_fifo_pos = 0; struct AuthData { int 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 int level_new_gm = 60; static Map gm_account_db; static pid_t pid = 0; // For forked DB writes namespace e { enum class VERSION_2 : uint8_t { /// client supports updatehost UPDATEHOST = 0x01, /// send servers in forward order SERVERORDER = 0x02, }; ENUM_BITWISE_OPERATORS(VERSION_2) } using e::VERSION_2; //------------------------------ // 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); } //---------------------------------------------------------------------- // 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 uint8_t isGM(int account_id) { GM_Account *p = gm_account_db.search(account_id); if (p == NULL) return 0; return p->level; } //------------------------------------------------------- // Reading function of GM accounts file (and their level) //------------------------------------------------------- static int read_gm_account(void) { int c = 0; int GM_level; 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", gm_account_filename); PRINTF(" Actually, there is no GM accounts on the server.\n"); LOGIN_LOG("read_gm_account: GM accounts file [%s] not found.\n", gm_account_filename); LOGIN_LOG(" Actually, there is no GM accounts on the server.\n"); 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", gm_account_filename, line); else if (p.level <= 0) PRINTF("read_gm_account: file [%s] %dth account (invalid level [0 or negative]: %d).\n", gm_account_filename, c + 1, p.level); else { if (p.level > 99) { PRINTF("read_gm_account: file [%s] %dth account (invalid level, but corrected: %d->99).\n", gm_account_filename, c + 1, p.level); p.level = 99; } if ((GM_level = isGM(p.account_id)) > 0) { // 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", p.account_id, p.level); else PRINTF("read_gm_account: GM account %d defined twice (levels: %d and %d).\n", 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); //PRINTF("GM account:%d, level: %d->%d\n", p.account_id, GM_level, p.level); if (GM_level == 0) { // if new account c++; if (c >= 4000) { PRINTF("***WARNING: 4000 GM accounts found. Next GM accounts are not readed.\n"); LOGIN_LOG("***WARNING: 4000 GM accounts found. Next GM accounts are not readed.\n"); } } } } } PRINTF("read_gm_account: file '%s' readed (%d GM accounts found).\n", gm_account_filename, c); LOGIN_LOG("read_gm_account: file '%s' readed (%d GM accounts found).\n", 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", 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 ", 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; ad->last_ip = IP4Address(); if (ip != "-" && !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("-"); 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", 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)) { int i = 0; if (SSCANF(line, "%d\t%%newid%%\n%n", &ad.account_id, &i) == 1 && i > 0 && ad.account_id > account_id_count) account_id_count = ad.account_id; else LOGIN_LOG("Account skipped\n%s", line); continue; } auth_data.push_back(ad); if (isGM(ad.account_id) > 0) gm_count++; if (ad.account_id >= account_id_count) account_id_count = ad.account_id + 1; } AString str = STRPRINTF("%s has %zu accounts (%d GMs)\n", account_filename, auth_data.size(), gm_count); PRINTF("%s: %s\n", __PRETTY_FUNCTION__, str); LOGIN_LOG("%s\n", 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"); return; } FPRINTF(fp, "// Accounts file: here are saved all information about the accounts.\n"); FPRINTF(fp, "// Structure: ID, account name, password, last login time, sex, # of logins, state, email, error message for state 7, validity time, last (accepted) login ip, memo field, ban timestamp, repeated(register text, register value)\n"); FPRINTF(fp, "// Some explanations:\n"); FPRINTF(fp, "// account name : between 4 to 23 char for a normal account (standard client can't send less than 4 char).\n"); FPRINTF(fp, "// account password: between 4 to 23 char\n"); FPRINTF(fp, "// sex : M or F for normal accounts, S for server accounts\n"); FPRINTF(fp, "// state : 0: account is ok, 1 to 256: error code of packet 0x006a + 1\n"); FPRINTF(fp, "// email : between 3 to 39 char (a@a.com is like no email)\n"); FPRINTF(fp, "// error message : text for the state 7: 'Your are Prohibited to login until '. Max 19 char\n"); 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"); FPRINTF(fp, "// memo field : max 254 char\n"); 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"); for (const AuthData& ad : auth_data) { if (ad.account_id < 0) continue; AString line = mmo_auth_tostr(&ad); fp.put_line(line); } FPRINTF(fp, "%d\t%%newid%%\n", 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; } //-------------------------------------------------------------------- // Packet send to all char-servers, except one (wos: without our self) //-------------------------------------------------------------------- static void charif_sendallwos(Session *ss, const uint8_t *buf, size_t len) { for (int i = 0; i < MAX_SERVERS; i++) { Session *s = server_session[i]; if (s && s != ss) { WFIFO_BUF_CLONE(s, buf, len); WFIFOSET(s, len); } } } //----------------------------------------------------- // Send GM accounts to all char-server //----------------------------------------------------- static void send_GM_accounts(void) { uint8_t buf[32000]; int len; len = 4; WBUFW(buf, 0) = 0x2732; for (const AuthData& ad : auth_data) // send only existing accounts. We can not create a GM account when server is online. if (uint8_t GM_value = isGM(ad.account_id)) { WBUFL(buf, len) = ad.account_id; WBUFB(buf, len + 4) = GM_value; len += 5; } WBUFW(buf, 2) = len; charif_sendallwos(nullptr, buf, len); } //----------------------------------------------------- // 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 int mmo_auth_new(struct mmo_account *account, SEX sex, AccountEmail email) { while (isGM(account_id_count) > 0) account_id_count++; struct AuthData ad {}; ad.account_id = account_id_count++; ad.userid = account->userid; ad.pass = MD5_saltcrypt(account->passwd, make_salt()); ad.lastlogin = stringish("-"); 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("-"); 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 = "!"; 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") || account->userid.endswith("_M")) && 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", 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", account->userid, ip); return 1; // 1 = Incorrect Password } if (ad->state) { LOGIN_LOG("Connection refused (account: %s, state: %d, ip: %s)\n", 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", 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", 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", account->userid, ip); return 2; // 2 = This ID is expired } LOGIN_LOG("Authentification accepted (account: %s (id: %d), ip: %s)\n", account->userid, ad->account_id, ip); } else { if (new_account_sex == '\0') { LOGIN_LOG("Unknown account (account: %s, ip: %s)\n", account->userid, ip); return 0; // 0 = Unregistered ID } else { int 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", 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; //PRINTF("Entering in char_anti_freeze_system function to check freeze of servers.\n"); for (i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { // if char-server is online //PRINTF("char_anti_freeze_system: server #%d '%s', flag: %d.\n", i, server[i].name, server_freezeflag[i]); 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", i, server[i].name); LOGIN_LOG("Char-server anti-freeze system: char-server #%d '%s' is freezed -> disconnection.\n", i, server[i].name); server_session[i]->eof = 1; } } } } //-------------------------------- // 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->eof) { if (id < MAX_SERVERS) { PRINTF("Char-server '%s' has disconnected.\n", server[id].name); LOGIN_LOG("Char-server '%s' has disconnected (ip: %s).\n", server[id].name, ip); server_session[id] = nullptr; server[id] = mmo_char_server{}; } delete_session(s); return; } while (RFIFOREST(s) >= 2) { if (display_parse_fromchar == 2 || (display_parse_fromchar == 1 && RFIFOW(s, 0) != 0x2714)) // 0x2714 is done very often (number of players) PRINTF("parse_fromchar: connection #%d, packet: 0x%x (with being read: %zu bytes).\n", s, RFIFOW(s, 0), RFIFOREST(s)); switch (RFIFOW(s, 0)) { // request from map-server via char-server to reload GM accounts (by Yor). case 0x2709: LOGIN_LOG("Char-server '%s': Request to re-load GM configuration file (ip: %s).\n", server[id].name, ip); read_gm_account(); // send GM accounts to all char-servers send_GM_accounts(); RFIFOSKIP(s, 2); break; case 0x2712: // request from char-server to authentify an account if (RFIFOREST(s) < 19) return; { int acc = RFIFOL(s, 2); int i; for (i = 0; i < AUTH_FIFO_SIZE; i++) { if (auth_fifo[i].account_id == acc && auth_fifo[i].login_id1 == RFIFOL(s, 6) && auth_fifo[i].login_id2 == RFIFOL(s, 10) && // relate to the versions higher than 18 auth_fifo[i].sex == static_cast(RFIFOB(s, 14)) && (!check_ip_flag || auth_fifo[i].ip == RFIFOIP(s, 15)) && !auth_fifo[i].delflag) { int p; auth_fifo[i].delflag = 1; LOGIN_LOG("Char-server '%s': authentification of the account %d accepted (ip: %s).\n", server[id].name, acc, ip); for (const AuthData& ad : auth_data) { if (ad.account_id == acc) { WFIFOW(s, 0) = 0x2729; // Sending of the account_reg2 WFIFOL(s, 4) = acc; int j; for (p = 8, j = 0; j < ad.account_reg2_num; p += 36, j++) { WFIFO_STRING(s, p, ad.account_reg2[j].str, 32); WFIFOL(s, p + 32) = ad.account_reg2[j].value; } WFIFOW(s, 2) = p; WFIFOSET(s, p); // PRINTF("parse_fromchar: Sending of account_reg2: login->char (auth fifo)\n"); WFIFOW(s, 0) = 0x2713; WFIFOL(s, 2) = acc; WFIFOB(s, 6) = 0; WFIFO_STRING(s, 7, ad.email, 40); WFIFOL(s, 47) = static_cast(ad.connect_until_time); WFIFOSET(s, 51); break; } } break; } } // authentification not found if (i == AUTH_FIFO_SIZE) { LOGIN_LOG("Char-server '%s': authentification of the account %d REFUSED (ip: %s).\n", server[id].name, acc, ip); WFIFOW(s, 0) = 0x2713; WFIFOL(s, 2) = acc; WFIFOB(s, 6) = 1; // It is unnecessary to send email // It is unnecessary to send validity date of the account WFIFOSET(s, 51); } } RFIFOSKIP(s, 19); break; case 0x2714: if (RFIFOREST(s) < 6) return; //PRINTF("parse_fromchar: Receiving of the users number of the server '%s': %d\n", server[id].name, RFIFOL(fd,2)); server[id].users = RFIFOL(s, 2); if (anti_freeze_enable) server_freezeflag[id] = 5; // Char anti-freeze system. Counter. 5 ok, 4...0 freezed RFIFOSKIP(s, 6); break; // we receive a e-mail creation of an account with a default e-mail (no answer) case 0x2715: if (RFIFOREST(s) < 46) return; { int acc = RFIFOL(s, 2); AccountEmail email = stringish(RFIFO_STRING<40>(s, 6)); if (!e_mail_check(email)) LOGIN_LOG("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - e-mail is invalid (account: %d, ip: %s)\n", server[id].name, acc, ip); else { for (AuthData& ad : auth_data) { if (ad.account_id == acc && (ad.email == DEFAULT_EMAIL || !ad.email)) { ad.email = email; LOGIN_LOG("Char-server '%s': Create an e-mail on an account with a default e-mail (account: %d, new e-mail: %s, ip: %s).\n", server[id].name, acc, email, ip); goto x2715_out; } } LOGIN_LOG("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - account doesn't exist or e-mail of account isn't default e-mail (account: %d, ip: %s).\n", server[id].name, acc, ip); } x2715_out: RFIFOSKIP(s, 46); break; // We receive an e-mail/limited time request, because a player comes back from a map-server to the char-server } case 0x2716: if (RFIFOREST(s) < 6) return; { int account_id = RFIFOL(s, 2); //PRINTF("parse_fromchar: E-mail/limited time request from '%s' server (concerned account: %d)\n", server[id].name, RFIFOL(fd,2)); 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", server[id].name, account_id, ip); WFIFOW(s, 0) = 0x2717; WFIFOL(s, 2) = account_id; WFIFO_STRING(s, 6, ad.email, 40); WFIFOL(s, 46) = static_cast(ad.connect_until_time); WFIFOSET(s, 50); goto x2716_end; } } LOGIN_LOG("Char-server '%s': e-mail of the account %d NOT found (ip: %s).\n", server[id].name, account_id, ip); } x2716_end: RFIFOSKIP(s, 6); break; case 0x2720: // To become GM request if (RFIFOREST(s) < 4 || RFIFOREST(s) < RFIFOW(s, 2)) return; { int acc; unsigned char buf[10]; acc = RFIFOL(s, 4); //PRINTF("parse_fromchar: Request to become a GM acount from %d account.\n", acc); WBUFW(buf, 0) = 0x2721; WBUFL(buf, 2) = acc; WBUFL(buf, 6) = 0; size_t len = RFIFOW(s, 2) - 8; AString pass = RFIFO_STRING(s, 8, len); if (pass == gm_pass) { // only non-GM can become GM if (isGM(acc) == 0) { // if we autorise creation if (level_new_gm > 0) { // 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", tmpstr, acc, acc, level_new_gm); if (!fp.close()) { PRINTF("warning: didn't actually save GM file\n"); } WBUFL(buf, 6) = level_new_gm; read_gm_account(); send_GM_accounts(); PRINTF("GM Change of the account %d: level 0 -> %d.\n", acc, level_new_gm); LOGIN_LOG("Char-server '%s': GM Change of the account %d: level 0 -> %d (ip: %s).\n", 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", 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", 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", 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", server[id].name, acc, ip); } } else { PRINTF("Error of GM change (suggested account: %d (already GM), correct password).\n", acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d (already GM), correct password, ip: %s).\n", server[id].name, acc, ip); } } else { PRINTF("Error of GM change (suggested account: %d, invalid password).\n", acc); LOGIN_LOG("Char-server '%s': Error of GM change (suggested account: %d, invalid password, ip: %s).\n", server[id].name, acc, ip); } charif_sendallwos(nullptr, buf, 10); } RFIFOSKIP(s, RFIFOW(s, 2)); return; // Map server send information to change an email of an account via char-server case 0x2722: // 0x2722 .L .40B .40B if (RFIFOREST(s) < 86) return; { int acc = RFIFOL(s, 2); AccountEmail actual_email = stringish(RFIFO_STRING<40>(s, 6).to_print()); AccountEmail new_email = stringish(RFIFO_STRING<40>(s, 46)); 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", 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", 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", 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", 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", 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", server[id].name, acc, ip); } } x2722_out: RFIFOSKIP(s, 86); break; // Receiving of map-server via char-server a status change resquest (by Yor) case 0x2724: if (RFIFOREST(s) < 10) return; { int acc, statut; acc = RFIFOL(s, 2); statut = RFIFOL(s, 6); 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", server[id].name, acc, statut, ip); if (statut != 0) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = acc; WBUFB(buf, 6) = 0; // 0: change of statut, 1: ban WBUFL(buf, 7) = statut; // status or final date of a banishment charif_sendallwos(nullptr, buf, 11); 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", 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", server[id].name, acc, statut, ip); x2724_out: RFIFOSKIP(s, 10); } return; case 0x2725: // Receiving of map-server via char-server a ban resquest (by Yor) if (RFIFOREST(s) < 18) return; { int acc; acc = RFIFOL(s, 2); 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; RFIFO_STRUCT(s, 6, ban_diff); 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) { unsigned char buf[16]; 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", server[id].name, acc, timestamp, tmpstr, ip); WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = ad.account_id; WBUFB(buf, 6) = 1; // 0: change of statut, 1: ban WBUFL(buf, 7) = static_cast(timestamp); // status or final date of a banishment charif_sendallwos(nullptr, buf, 11); 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", 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", server[id].name, acc, ip); } } else { LOGIN_LOG("Char-server '%s': Error of ban request (account: %d, invalid date, ip: %s).\n", server[id].name, acc, ip); } goto x2725_out; } } LOGIN_LOG("Char-server '%s': Error of ban request (account: %d not found, ip: %s).\n", server[id].name, acc, ip); x2725_out: RFIFOSKIP(s, 18); } return; case 0x2727: // Change of sex (sex is reversed) if (RFIFOREST(s) < 6) return; { int acc; acc = RFIFOL(s, 2); for (AuthData& ad : auth_data) { if (ad.account_id == acc) { { unsigned char buf[16]; 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", 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; WBUFW(buf, 0) = 0x2723; WBUFL(buf, 2) = acc; WBUFB(buf, 6) = static_cast(sex); charif_sendallwos(nullptr, buf, 7); } goto x2727_out; } } LOGIN_LOG("Char-server '%s': Error of sex change (account: %d not found, sex would be reversed, ip: %s).\n", server[id].name, acc, ip); x2727_out: RFIFOSKIP(s, 6); } return; case 0x2728: // We receive account_reg2 from a char-server, and we send them to other char-servers. if (RFIFOREST(s) < 4 || RFIFOREST(s) < RFIFOW(s, 2)) return; { int acc, p; acc = RFIFOL(s, 4); 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", server[id].name, acc, ip); size_t len = RFIFOW(s, 2); int j; for (p = 8, j = 0; p < len && j < ACCOUNT_REG2_NUM; p += 36, j++) { ad.account_reg2[j].str = stringish(RFIFO_STRING<32>(s, p).to_print()); ad.account_reg2[j].value = RFIFOL(s, p + 32); } ad.account_reg2_num = j; // Sending information towards the other char-servers. uint8_t buf[len]; RFIFO_BUF_CLONE(s, buf, len); WBUFW(buf, 0) = 0x2729; charif_sendallwos(s, buf, WBUFW(buf, 2)); // PRINTF("parse_fromchar: receiving (from the char-server) of account_reg2 (account id: %d).\n", acc); goto x2728_out; } } LOGIN_LOG("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d not found, ip: %s).\n", server[id].name, acc, ip); } x2728_out: RFIFOSKIP(s, RFIFOW(s, 2)); break; case 0x272a: // Receiving of map-server via char-server a unban resquest (by Yor) if (RFIFOREST(s) < 6) return; { int acc = RFIFOL(s, 2); 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", 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", server[id].name, acc, ip); } goto x272a_out; } } LOGIN_LOG("Char-server '%s': Error of UnBan request (account: %d not found, ip: %s).\n", server[id].name, acc, ip); x272a_out: RFIFOSKIP(s, 6); } return; // request from char-server to change account password case 0x2740: // 0x2740 .L .24B .24B if (RFIFOREST(s) < 54) return; { int acc = RFIFOL(s, 2); AccountPass actual_pass = stringish(RFIFO_STRING<24>(s, 6).to_print()); AccountPass new_pass = stringish(RFIFO_STRING<24>(s, 30).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", 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", server[id].name, acc, ad.userid, ip); } goto x2740_out; } } x2740_out: WFIFOW(s, 0) = 0x2741; WFIFOL(s, 2) = acc; WFIFOB(s, 6) = status; // 0: acc not found, 1: success, 2: password mismatch, 3: pass too short WFIFOSET(s, 7); } RFIFOSKIP(s, 54); 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", timestr); FPRINTF(logfp, "parse_fromchar: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", s, ip, RFIFOW(s, 0), RFIFOREST(s)); FPRINTF(logfp, "Detail (in hex):\n"); FPRINTF(logfp, "---- 00-01-02-03-04-05-06-07 08-09-0A-0B-0C-0D-0E-0F\n"); char tmpstr[16 + 1] {}; int i; for (i = 0; i < RFIFOREST(s); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB(s, i)); if (RFIFOB(s, i) > 0x1f) tmpstr[i % 16] = RFIFOB(s, i); else tmpstr[i % 16] = '.'; if ((i - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); else if ((i + 1) % 16 == 0) { FPRINTF(logfp, " %s\n", tmpstr); std::fill(tmpstr + 0, tmpstr + 17, '\0'); } } if (i % 16 != 0) { for (int j = i; j % 16 != 0; j++) { FPRINTF(logfp, " "); if ((j - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); } FPRINTF(logfp, " %s\n", tmpstr); } FPRINTF(logfp, "\n"); } } PRINTF("parse_fromchar: Unknown packet 0x%x (from a char-server)! -> disconnection.\n", RFIFOW(s, 0)); s->eof = 1; PRINTF("Char-server has been disconnected (unknown packet).\n"); return; } } return; } //--------------------------------------- // Packet parsing for administation login //--------------------------------------- static void parse_admin(Session *s) { IP4Address ip = s->client_ip; if (s->eof) { delete_session(s); PRINTF("Remote administration has disconnected (session #%d).\n", s); return; } while (RFIFOREST(s) >= 2) { if (display_parse_admin == 1) PRINTF("parse_admin: connection #%d, packet: 0x%x (with being read: %zu).\n", s, RFIFOW(s, 0), RFIFOREST(s)); switch (RFIFOW(s, 0)) { case 0x7530: // Request of the server version LOGIN_LOG("'ladmin': Sending of the server version (ip: %s)\n", ip); WFIFOW(s, 0) = 0x7531; WFIFO_STRUCT(s, 2, CURRENT_LOGIN_SERVER_VERSION); WFIFOSET(s, 10); RFIFOSKIP(s, 2); break; case 0x7532: // Request of end of connection LOGIN_LOG("'ladmin': End of connection (ip: %s)\n", ip); RFIFOSKIP(s, 2); s->eof = 1; break; case 0x7920: // Request of an accounts list if (RFIFOREST(s) < 10) return; { int st, ed, len; st = RFIFOL(s, 2); ed = RFIFOL(s, 6); RFIFOSKIP(s, 10); WFIFOW(s, 0) = 0x7921; if (st < 0) st = 0; if (ed > END_ACCOUNT_NUM || ed < st || ed <= 0) ed = END_ACCOUNT_NUM; LOGIN_LOG("'ladmin': Sending an accounts list (ask: from %d to %d, ip: %s)\n", st, ed, ip); // Sending accounts information len = 4; for (const AuthData& ad : auth_data) { if (len >= 30000) break; int account_id = ad.account_id; if (account_id >= st && account_id <= ed) { WFIFOL(s, len) = account_id; WFIFOB(s, len + 4) = isGM(account_id); WFIFO_STRING(s, len + 5, ad.userid, 24); WFIFOB(s, len + 29) = static_cast(ad.sex); WFIFOL(s, len + 30) = ad.logincount; if (ad.state == 0 && ad.ban_until_time) // if no state and banished WFIFOL(s, len + 34) = 7; // 6 = Your are Prohibited to log in until %s else WFIFOL(s, len + 34) = ad.state; len += 38; } } WFIFOW(s, 2) = len; WFIFOSET(s, len); } break; case 0x7924: { // [Fate] Itemfrob package: change item IDs if (RFIFOREST(s) < 10) return; uint8_t buf[10]; RFIFO_BUF_CLONE(s, buf, 10); // forward package to char servers charif_sendallwos(nullptr, buf, 10); RFIFOSKIP(s, 10); WFIFOW(s, 0) = 0x7925; WFIFOSET(s, 2); break; } case 0x7930: // Request for an account creation if (RFIFOREST(s) < 91) return; { struct mmo_account ma; ma.userid = stringish(RFIFO_STRING<24>(s, 2).to_print()); ma.passwd = stringish(RFIFO_STRING<24>(s, 26).to_print()); ma.lastlogin = stringish("-"); ma.sex = sex_from_char(RFIFOB(s, 50)); WFIFOW(s, 0) = 0x7931; WFIFOL(s, 2) = -1; WFIFO_STRING(s, 6, ma.userid, 24); 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", 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", 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", ma.userid, 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", ad.userid, ip); goto x7930_out; } } { AccountEmail email = stringish(RFIFO_STRING<40>(s, 51)); int 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", ma.userid, new_id, ma.sex, auth_data.back().email, ip); WFIFOL(s, 2) = new_id; } } x7930_out: WFIFOSET(s, 30); RFIFOSKIP(s, 91); } break; case 0x7932: // Request for an account deletion if (RFIFOREST(s) < 26) return; { WFIFOW(s, 0) = 0x7933; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); AuthData *ad = search_account(account_name); if (ad) { // Char-server is notified of deletion (for characters deletion). uint8_t buf[6]; WBUFW(buf, 0) = 0x2730; WBUFL(buf, 2) = ad->account_id; charif_sendallwos(nullptr, buf, 6); // send answer WFIFO_STRING(s, 6, ad->userid, 24); WFIFOL(s, 2) = 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", ad->userid, ad->account_id, ip); { AString buf2 = mmo_auth_tostr(ad); LOGIN_LOG("%s\n", buf2); } // delete account ad->userid = AccountName(); ad->account_id = -1; } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to delete an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(s, 30); } RFIFOSKIP(s, 26); break; case 0x7934: // Request to change a password if (RFIFOREST(s) < 50) return; { WFIFOW(s, 0) = 0x7935; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); AccountPass plain = stringish(RFIFO_STRING<24>(s, 26)); ad->pass = MD5_saltcrypt(plain, make_salt()); WFIFOL(s, 2) = ad->account_id; LOGIN_LOG("'ladmin': Modification of a password (account: %s, new password: %s, ip: %s)\n", ad->userid, ad->pass, ip); } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to modify the password of an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(s, 30); } RFIFOSKIP(s, 50); break; case 0x7936: // Request to modify a state if (RFIFOREST(s) < 50) return; { WFIFOW(s, 0) = 0x7937; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); int statut = RFIFOL(s, 26); timestamp_seconds_buffer error_message = stringish(RFIFO_STRING<20>(s, 30).to_print()); if (statut != 7 || !error_message) { // 7: // 6 = Your are Prohibited to log in until %s error_message = stringish("-"); } AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); WFIFOL(s, 2) = 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", 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", ad->userid, statut, error_message, ip); else LOGIN_LOG("'ladmin': Modification of a state (account: %s, new state: %d, ip: %s)\n", ad->userid, statut, ip); if (ad->state == 0) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = ad->account_id; WBUFB(buf, 6) = 0; // 0: change of statut, 1: ban WBUFL(buf, 7) = statut; // status or final date of a banishment charif_sendallwos(nullptr, buf, 11); 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 { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to modify the state of an unknown account (account: %s, received state: %d, ip: %s)\n", account_name, statut, ip); } WFIFOL(s, 30) = statut; } WFIFOSET(s, 34); RFIFOSKIP(s, 50); break; case 0x7938: // Request for servers list and # of online players LOGIN_LOG("'ladmin': Sending of servers list (ip: %s)\n", ip); server_num = 0; for (int i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { WFIFOIP(s, 4 + server_num * 32) = server[i].ip; WFIFOW(s, 4 + server_num * 32 + 4) = server[i].port; WFIFO_STRING(s, 4 + server_num * 32 + 6, server[i].name, 20); WFIFOW(s, 4 + server_num * 32 + 26) = server[i].users; WFIFOW(s, 4 + server_num * 32 + 28) = 0; //maintenance; WFIFOW(s, 4 + server_num * 32 + 30) = 0; //is_new; server_num++; } } WFIFOW(s, 0) = 0x7939; WFIFOW(s, 2) = 4 + 32 * server_num; WFIFOSET(s, 4 + 32 * server_num); RFIFOSKIP(s, 2); break; case 0x793a: // Request to password check if (RFIFOREST(s) < 50) return; { WFIFOW(s, 0) = 0x793b; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); const AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); AccountPass pass = stringish(RFIFO_STRING<24>(s, 26)); if (pass_ok(pass, ad->pass)) { WFIFOL(s, 2) = ad->account_id; LOGIN_LOG("'ladmin': Check of password OK (account: %s, password: %s, ip: %s)\n", ad->userid, ad->pass, ip); } else { LOGIN_LOG("'ladmin': Failure of password check (account: %s, proposed pass: %s, ip: %s)\n", ad->userid, pass.to_print(), ip); } } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to check the password of an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(s, 30); } RFIFOSKIP(s, 50); break; case 0x793c: // Request to modify sex if (RFIFOREST(s) < 27) return; { WFIFOW(s, 0) = 0x793d; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); WFIFO_STRING(s, 6, account_name, 24); { SEX sex = sex_from_char(RFIFOB(s, 26)); if (sex != SEX::FEMALE && sex != SEX::MALE) { LOGIN_LOG("'ladmin': Attempt to give an invalid sex (account: %s, received sex: %c, ip: %s)\n", account_name, sex_to_char(sex), ip); } else { AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); if (ad->sex != sex) { unsigned char buf[16]; WFIFOL(s, 2) = 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", ad->userid, sex_to_char(sex), ip); // send to all char-server the change WBUFW(buf, 0) = 0x2723; WBUFL(buf, 2) = ad->account_id; WBUFB(buf, 6) = static_cast(ad->sex); charif_sendallwos(nullptr, buf, 7); } else { LOGIN_LOG("'ladmin': Modification of a sex, but the sex is already the good sex (account: %s, sex: %c, ip: %s)\n", 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", account_name, sex_to_char(sex), ip); } } } WFIFOSET(s, 30); } RFIFOSKIP(s, 27); break; case 0x793e: // Request to modify GM level if (RFIFOREST(s) < 27) return; { WFIFOW(s, 0) = 0x793f; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); WFIFO_STRING(s, 6, account_name, 24); bool reread = false; { char new_gm_level; new_gm_level = RFIFOB(s, 26); if (new_gm_level < 0 || new_gm_level > 99) { LOGIN_LOG("'ladmin': Attempt to give an invalid GM level (account: %s, received GM level: %d, ip: %s)\n", account_name, new_gm_level, ip); } else { const AuthData *ad = search_account(account_name); if (ad) { int acc = ad->account_id; WFIFO_STRING(s, 6, ad->userid, 24); if (isGM(acc) != new_gm_level) { // modification of the file int GM_account, 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 == 0) { FPRINTF(fp2, "// %s: 'ladmin' GM level removed on account %d '%s' (previous level: %d)\n//%d %d\n", 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", 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", 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", ad->userid, acc, new_gm_level, ip); } WFIFOL(s, 2) = acc; LOGIN_LOG("'ladmin': Modification of a GM level (account: %s (%d), new GM level: %d, ip: %s)\n", 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", 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", 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", account_name, new_gm_level, ip); } } } if (reread) { // read and send new GM informations read_gm_account(); send_GM_accounts(); } WFIFOSET(s, 30); } RFIFOSKIP(s, 27); break; case 0x7940: // Request to modify e-mail if (RFIFOREST(s) < 66) return; { WFIFOW(s, 0) = 0x7941; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); WFIFO_STRING(s, 6, account_name, 24); { AccountEmail email = stringish(RFIFO_STRING<40>(s, 26)); if (!e_mail_check(email)) { LOGIN_LOG("'ladmin': Attempt to give an invalid e-mail (account: %s, ip: %s)\n", account_name, ip); } else { AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); ad->email = email; WFIFOL(s, 2) = ad->account_id; LOGIN_LOG("'ladmin': Modification of an email (account: %s, new e-mail: %s, ip: %s)\n", 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", account_name, email, ip); } } } WFIFOSET(s, 30); } RFIFOSKIP(s, 66); break; case 0x7942: // Request to modify memo field if (RFIFOREST(s) < 28 || RFIFOREST(s) < (28 + RFIFOW(s, 26))) return; { WFIFOW(s, 0) = 0x7943; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); ad->memo = ""; if (RFIFOW(s, 26) == 0) { ad->memo = "!"; } else { size_t len = RFIFOW(s, 26); // may truncate ad->memo = RFIFO_STRING(s, 28, len); } ad->memo = ad->memo.to_print(); WFIFOL(s, 2) = ad->account_id; LOGIN_LOG("'ladmin': Modification of a memo field (account: %s, new memo: %s, ip: %s)\n", ad->userid, ad->memo, ip); } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to modify the memo field of an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(s, 30); } RFIFOSKIP(s, 28 + RFIFOW(s, 26)); break; case 0x7944: // Request to found an account id if (RFIFOREST(s) < 26) return; { WFIFOW(s, 0) = 0x7945; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); const AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); WFIFOL(s, 2) = ad->account_id; LOGIN_LOG("'ladmin': Request (by the name) of an account id (account: %s, id: %d, ip: %s)\n", ad->userid, ad->account_id, ip); } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': ID request (by the name) of an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(s, 30); } RFIFOSKIP(s, 26); break; case 0x7946: // Request to found an account name if (RFIFOREST(s) < 6) return; { int account_id = RFIFOL(s, 2); WFIFOW(s, 0) = 0x7947; WFIFOL(s, 2) = account_id; WFIFO_ZERO(s, 6, 24); for (const AuthData& ad : auth_data) { if (ad.account_id == account_id) { WFIFO_STRING(s, 6, ad.userid, 24); LOGIN_LOG("'ladmin': Request (by id) of an account name (account: %s, id: %d, ip: %s)\n", ad.userid, account_id, ip); goto x7946_out; } } LOGIN_LOG("'ladmin': Name request (by id) of an unknown account (id: %d, ip: %s)\n", account_id, ip); WFIFO_STRING(s, 6, "", 24); x7946_out: WFIFOSET(s, 30); } RFIFOSKIP(s, 6); break; case 0x7948: // Request to change the validity limit (timestamp) (absolute value) if (RFIFOREST(s) < 30) return; { WFIFOW(s, 0) = 0x7949; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); TimeT timestamp = static_cast(RFIFOL(s, 26)); timestamp_seconds_buffer tmpstr = stringish("unlimited"); if (timestamp) stamp_time(tmpstr, ×tamp); AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); LOGIN_LOG("'ladmin': Change of a validity limit (account: %s, new validity: %lld (%s), ip: %s)\n", ad->userid, timestamp, tmpstr, ip); ad->connect_until_time = timestamp; WFIFOL(s, 2) = ad->account_id; } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to change the validity limit of an unknown account (account: %s, received validity: %lld (%s), ip: %s)\n", account_name, timestamp, tmpstr, ip); } WFIFOL(s, 30) = static_cast(timestamp); } WFIFOSET(s, 34); RFIFOSKIP(s, 30); break; case 0x794a: // Request to change the final date of a banishment (timestamp) (absolute value) if (RFIFOREST(s) < 30) return; { WFIFOW(s, 0) = 0x794b; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); TimeT timestamp = static_cast(RFIFOL(s, 26)); if (timestamp <= TimeT::now()) timestamp = TimeT(); timestamp_seconds_buffer tmpstr = stringish("no banishment"); if (timestamp) stamp_time(tmpstr, ×tamp); AuthData *ad = search_account(account_name); if (ad) { WFIFO_STRING(s, 6, ad->userid, 24); WFIFOL(s, 2) = 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", ad->userid, timestamp, tmpstr, ip); if (ad->ban_until_time != timestamp) { if (timestamp) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = ad->account_id; WBUFB(buf, 6) = 1; // 0: change of statut, 1: ban WBUFL(buf, 7) = static_cast(timestamp); // status or final date of a banishment charif_sendallwos(nullptr, buf, 11); 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 { WFIFO_STRING(s, 6, account_name, 24); 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", account_name, timestamp, tmpstr, ip); } WFIFOL(s, 30) = static_cast(timestamp); } WFIFOSET(s, 34); RFIFOSKIP(s, 30); break; case 0x794c: // Request to change the final date of a banishment (timestamp) (relative change) if (RFIFOREST(s) < 38) return; { WFIFOW(s, 0) = 0x794d; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); AuthData *ad = search_account(account_name); if (ad) { WFIFOL(s, 2) = ad->account_id; WFIFO_STRING(s, 6, ad->userid, 24); 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; RFIFO_STRUCT(s, 26, ban_diff); 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"); 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", 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) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = ad->account_id; WBUFB(buf, 6) = 1; // 0: change of statut, 1: ban WBUFL(buf, 7) = static_cast(timestamp); // status or final date of a banishment charif_sendallwos(nullptr, buf, 11); 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"); 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", 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); } WFIFOL(s, 30) = static_cast(ad->ban_until_time); } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to adjust the final date of a banishment of an unknown account (account: %s, ip: %s)\n", account_name, ip); WFIFOL(s, 30) = 0; } } WFIFOSET(s, 34); RFIFOSKIP(s, 38); break; case 0x794e: // Request to send a broadcast message if (RFIFOREST(s) < 8 || RFIFOREST(s) < (8 + RFIFOL(s, 4))) return; WFIFOW(s, 0) = 0x794f; WFIFOW(s, 2) = -1; if (RFIFOL(s, 4) < 1) { LOGIN_LOG("'ladmin': Receiving a message for broadcast, but message is void (ip: %s)\n", 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", ip); goto x794e_have_no_server; { x794e_have_server: // overwrite the -1 WFIFOW(s, 2) = 0; size_t len = RFIFOL(s, 4); AString message = RFIFO_STRING(s, 8, len).to_print(); LOGIN_LOG("'ladmin': Receiving a message for broadcast (message: %s, ip: %s)\n", message, ip); // send same message to all char-servers (no answer) uint8_t buf[len + 8]; RFIFO_BUF_CLONE(s, buf, 8 + len); WBUFW(buf, 0) = 0x2726; charif_sendallwos(nullptr, buf, 8 + len); } } x794e_have_no_server: WFIFOSET(s, 4); RFIFOSKIP(s, 8 + RFIFOL(s, 4)); break; case 0x7950: // Request to change the validity limite (timestamp) (relative change) if (RFIFOREST(s) < 38) return; { WFIFOW(s, 0) = 0x7951; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); AuthData *ad = search_account(account_name); if (ad) { WFIFOL(s, 2) = ad->account_id; WFIFO_STRING(s, 6, ad->userid, 24); 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", ad->userid, ip); WFIFOL(s, 30) = 0; } else { TimeT now = TimeT::now(); TimeT timestamp = ad->connect_until_time; if (!timestamp || timestamp < now) timestamp = now; struct tm tmtime = timestamp; HumanTimeDiff v_diff; RFIFO_STRUCT(s, 26, v_diff); 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"); timestamp_seconds_buffer tmpstr2 = stringish("unlimited"); 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", 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; WFIFOL(s, 30) = static_cast(timestamp); } else { timestamp_seconds_buffer tmpstr = stringish("unlimited"); 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", 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); WFIFOL(s, 30) = 0; } } } else { WFIFO_STRING(s, 6, account_name, 24); LOGIN_LOG("'ladmin': Attempt to adjust the validity limit of an unknown account (account: %s, ip: %s)\n", account_name, ip); WFIFOL(s, 30) = 0; } } WFIFOSET(s, 34); RFIFOSKIP(s, 38); break; case 0x7952: // Request about informations of an account (by account name) if (RFIFOREST(s) < 26) return; { WFIFOW(s, 0) = 0x7953; WFIFOL(s, 2) = -1; AccountName account_name = stringish(RFIFO_STRING<24>(s, 2).to_print()); const AuthData *ad = search_account(account_name); if (ad) { WFIFOL(s, 2) = ad->account_id; WFIFOB(s, 6) = isGM(ad->account_id); WFIFO_STRING(s, 7, ad->userid, 24); WFIFOB(s, 31) = static_cast(ad->sex); WFIFOL(s, 32) = ad->logincount; WFIFOL(s, 36) = ad->state; WFIFO_STRING(s, 40, ad->error_message, 20); WFIFO_STRING(s, 60, ad->lastlogin, 24); WFIFO_STRING(s, 84, convert_for_printf(ad->last_ip), 16); WFIFO_STRING(s, 100, ad->email, 40); WFIFOL(s, 140) = static_cast(ad->connect_until_time); WFIFOL(s, 144) = static_cast(ad->ban_until_time); size_t len = ad->memo.size() + 1; WFIFOW(s, 148) = len; WFIFO_STRING(s, 150, ad->memo, len); LOGIN_LOG("'ladmin': Sending information of an account (request by the name; account: %s, id: %d, ip: %s)\n", ad->userid, ad->account_id, ip); WFIFOSET(s, 150 + len); } else { WFIFO_STRING(s, 7, account_name, 24); WFIFOW(s, 148) = 0; LOGIN_LOG("'ladmin': Attempt to obtain information (by the name) of an unknown account (account: %s, ip: %s)\n", account_name, ip); WFIFOSET(s, 150); } } RFIFOSKIP(s, 26); break; case 0x7954: // Request about information of an account (by account id) if (RFIFOREST(s) < 6) return; { int account_id = RFIFOL(s, 2); WFIFOW(s, 0) = 0x7953; WFIFOL(s, 2) = account_id; WFIFO_ZERO(s, 7, 24); 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", ad.userid, RFIFOL(s, 2), ip); WFIFOB(s, 6) = isGM(ad.account_id); WFIFO_STRING(s, 7, ad.userid, 24); WFIFOB(s, 31) = static_cast(ad.sex); WFIFOL(s, 32) = ad.logincount; WFIFOL(s, 36) = ad.state; WFIFO_STRING(s, 40, ad.error_message, 20); WFIFO_STRING(s, 60, ad.lastlogin, 24); WFIFO_STRING(s, 84, convert_for_printf(ad.last_ip), 16); WFIFO_STRING(s, 100, ad.email, 40); WFIFOL(s, 140) = static_cast(ad.connect_until_time); WFIFOL(s, 144) = static_cast(ad.ban_until_time); size_t len = ad.memo.size() + 1; WFIFOW(s, 148) = len; WFIFO_STRING(s, 150, ad.memo, len); WFIFOSET(s, 150 + len); goto x7954_out; } } { LOGIN_LOG("'ladmin': Attempt to obtain information (by the id) of an unknown account (id: %d, ip: %s)\n", RFIFOL(s, 2), ip); WFIFO_STRING(s, 7, "", 24); WFIFOW(s, 148) = 0; WFIFOSET(s, 150); } } x7954_out: RFIFOSKIP(s, 6); break; case 0x7955: // Request to reload GM file (no answer) LOGIN_LOG("'ladmin': Request to re-load GM configuration file (ip: %s).\n", ip); read_gm_account(); // send GM accounts to all char-servers send_GM_accounts(); RFIFOSKIP(s, 2); 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", timestr); FPRINTF(logfp, "parse_admin: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", s, ip, RFIFOW(s, 0), RFIFOREST(s)); FPRINTF(logfp, "Detail (in hex):\n"); FPRINTF(logfp, "---- 00-01-02-03-04-05-06-07 08-09-0A-0B-0C-0D-0E-0F\n"); char tmpstr[16 + 1] {}; int i; for (i = 0; i < RFIFOREST(s); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB (s, i)); if (RFIFOB(s, i) > 0x1f) tmpstr[i % 16] = RFIFOB(s, i); else tmpstr[i % 16] = '.'; if ((i - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); else if ((i + 1) % 16 == 0) { FPRINTF(logfp, " %s\n", tmpstr); std::fill(tmpstr + 0, tmpstr + 17, '\0'); } } if (i % 16 != 0) { for (int j = i; j % 16 != 0; j++) { FPRINTF(logfp, " "); if ((j - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); } FPRINTF(logfp, " %s\n", tmpstr); } FPRINTF(logfp, "\n"); } } LOGIN_LOG("'ladmin': End of connection, unknown packet (ip: %s)\n", ip); s->eof = 1; PRINTF("Remote administration has been disconnected (unknown packet).\n"); return; } //WFIFOW(fd,0) = 0x791f; //WFIFOSET(fd,2); } 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", (lancheck) ? SGR_BOLD SGR_CYAN "LAN source" SGR_RESET : SGR_BOLD SGR_GREEN "WAN source" SGR_RESET); 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, j; IP4Address ip = s->client_ip; if (s->eof) { delete_session(s); return; } while (RFIFOREST(s) >= 2) { if (display_parse_login == 1) { if (RFIFOW(s, 0) == 0x64 || RFIFOW(s, 0) == 0x01dd) { if (RFIFOREST(s) >= ((RFIFOW(s, 0) == 0x64) ? 55 : 47)) { AccountName account_name = stringish(RFIFO_STRING<24>(s, 6)); PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), account: %s.\n", s, RFIFOW(s, 0), RFIFOREST(s), account_name); } } else if (RFIFOW(s, 0) == 0x2710) { if (RFIFOREST(s) >= 86) { ServerName server_name = stringish(RFIFO_STRING<20>(s, 60)); PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), server: %s.\n", s, RFIFOW(s, 0), RFIFOREST(s), server_name); } } else PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu).\n", s, RFIFOW(s, 0), RFIFOREST(s)); } switch (RFIFOW(s, 0)) { case 0x200: // New alive packet: structure: 0x200 .24B. used to verify if client is always alive. if (RFIFOREST(s) < 26) return; RFIFOSKIP(s, 26); break; case 0x204: // New alive packet: structure: 0x204 .16B. (new ragexe from 22 june 2004) if (RFIFOREST(s) < 18) return; RFIFOSKIP(s, 18); break; case 0x64: // Ask connection of a client if (RFIFOREST(s) < 55) return; account.userid = stringish(RFIFO_STRING<24>(s, 6).to_print()); account.passwd = stringish(RFIFO_STRING<24>(s, 30).to_print()); account.passwdenc = 0; LOGIN_LOG("Request for connection (non encryption mode) of %s (ip: %s).\n", account.userid, ip); if (!check_ip(ip)) { LOGIN_LOG("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n", ip); WFIFOW(s, 0) = 0x6a; WFIFOB(s, 2) = 0x03; WFIFO_ZERO(s, 3, 20); WFIFOSET(s, 23); RFIFOSKIP(s, 55); break; } result = mmo_auth(&account, s); if (result == -1) { VERSION_2 version_2 = static_cast(RFIFOB(s, 54)); if (!bool(version_2 & VERSION_2::UPDATEHOST) || !bool(version_2 & VERSION_2::SERVERORDER)) result = 5; // client too old } if (result == -1) { int gm_level = isGM(account.account_id); if (min_level_to_connect > gm_level) { LOGIN_LOG("Connection refused: the minimum GM level for connection is %d (account: %s, GM level: %d, ip: %s).\n", min_level_to_connect, account.userid, gm_level, ip); WFIFOW(s, 0) = 0x81; WFIFOB(s, 2) = 1; // 01 = Server closed WFIFOSET(s, 3); } else { // int version_2 = RFIFOB(fd, 54); // version 2 if (gm_level) PRINTF("Connection of the GM (level:%d) account '%s' accepted.\n", gm_level, account.userid); else PRINTF("Connection of the account '%s' accepted.\n", 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) { size_t host_len = update_host.size() + 1; WFIFOW(s, 0) = 0x63; WFIFOW(s, 2) = 4 + host_len; WFIFO_STRING(s, 4, update_host, host_len); WFIFOSET(s, 4 + host_len); } } // Load list of char servers into outbound packet server_num = 0; // if (version_2 & VERSION_2_SERVERORDER) for (int i = 0; i < MAX_SERVERS; i++) { if (server_session[i]) { if (lan_ip_check(ip)) WFIFOIP(s, 47 + server_num * 32) = lan_char_ip; else WFIFOIP(s, 47 + server_num * 32) = server[i].ip; WFIFOW(s, 47 + server_num * 32 + 4) = server[i].port; WFIFO_STRING(s, 47 + server_num * 32 + 6, server[i].name, 20); WFIFOW(s, 47 + server_num * 32 + 26) = server[i].users; WFIFOW(s, 47 + server_num * 32 + 28) = 0; //maintenance; WFIFOW(s, 47 + server_num * 32 + 30) = 0; //is_new; server_num++; } } // if at least 1 char-server if (server_num > 0) { WFIFOW(s, 0) = 0x69; WFIFOW(s, 2) = 47 + 32 * server_num; WFIFOL(s, 4) = account.login_id1; WFIFOL(s, 8) = account.account_id; WFIFOL(s, 12) = account.login_id2; WFIFOL(s, 16) = 0; // in old version, that was for ip (not more used) WFIFO_STRING(s, 20, account.lastlogin, 24); // in old version, that was for name (not more used) WFIFOB(s, 46) = static_cast(account.sex); WFIFOSET(s, 47 + 32 * server_num); 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", account.userid, ip); WFIFOW(s, 0) = 0x81; WFIFOB(s, 2) = 1; // 01 = Server closed WFIFOSET(s, 3); } } } else { WFIFO_ZERO(s, 0, 23); WFIFOW(s, 0) = 0x6a; WFIFOB(s, 2) = 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); WFIFO_STRING(s, 3, tmpstr, 20); } else { // we send error message WFIFO_STRING(s, 3, ad->error_message, 20); } } } WFIFOSET(s, 23); } RFIFOSKIP(s, (RFIFOW(s, 0) == 0x64) ? 55 : 47); break; case 0x2710: // Connection request of a char-server if (RFIFOREST(s) < 86) return; { int len; account.userid = stringish(RFIFO_STRING<24>(s, 2).to_print()); account.passwd = stringish(RFIFO_STRING<24>(s, 26).to_print()); account.passwdenc = 0; ServerName server_name = stringish(RFIFO_STRING<20>(s, 60).to_print()); LOGIN_LOG("Connection request of the char-server '%s' @ %s:%d (ip: %s)\n", server_name, RFIFOIP(s, 54), RFIFOW(s, 58), 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 = 0; goto x2710_okay; } else { int i; for (i = 1; i < MAX_SERVERS; i++) { if (!server_session[i]) { account.account_id = 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", server_name, account.userid, account.passwd, ip); PRINTF("Connection of the char-server '%s' accepted.\n", server_name); server[account.account_id] = mmo_char_server{}; server[account.account_id].ip = RFIFOIP(s, 54); server[account.account_id].port = RFIFOW(s, 58); server[account.account_id].name = server_name; server[account.account_id].users = 0; //maintenance = RFIFOW(fd, 82); //is_new = RFIFOW(fd, 84); server_session[account.account_id] = s; if (anti_freeze_enable) server_freezeflag[account.account_id] = 5; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed WFIFOW(s, 0) = 0x2711; WFIFOB(s, 2) = 0; WFIFOSET(s, 3); s->func_parse = parse_fromchar; realloc_fifo(s, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK); // send GM account to char-server len = 4; WFIFOW(s, 0) = 0x2732; for (const AuthData& ad : auth_data) // send only existing accounts. We can not create a GM account when server is online. if (uint8_t GM_value = isGM(ad.account_id)) { WFIFOL(s, len) = ad.account_id; WFIFOB(s, len + 4) = GM_value; len += 5; } WFIFOW(s, 2) = len; WFIFOSET(s, len); goto x2710_done; } { x2710_refused: LOGIN_LOG("Connexion of the char-server '%s' REFUSED (account: %s, pass: %s, ip: %s)\n", server_name, account.userid, account.passwd, ip); WFIFOW(s, 0) = 0x2711; WFIFOB(s, 2) = 3; WFIFOSET(s, 3); } } x2710_done: RFIFOSKIP(s, 86); return; case 0x7530: // Request of the server version LOGIN_LOG("Sending of the server version (ip: %s)\n", ip); WFIFOW(s, 0) = 0x7531; { Version version = CURRENT_LOGIN_SERVER_VERSION; version.flags = new_account ? 1 : 0; WFIFO_STRUCT(s, 2, version); WFIFOSET(s, 10); } RFIFOSKIP(s, 2); break; case 0x7532: // Request to end connection LOGIN_LOG("End of connection (ip: %s)\n", ip); s->eof = 1; return; case 0x7918: // Request for administation login if (RFIFOREST(s) < 4 || RFIFOREST(s) < ((RFIFOW(s, 2) == 0) ? 28 : 20)) return; WFIFOW(s, 0) = 0x7919; WFIFOB(s, 2) = 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", ip); } else { if (RFIFOW(s, 2) == 0) { // non encrypted password AccountPass password = stringish(RFIFO_STRING<24>(s, 4).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", password, ip); PRINTF("Connection of a remote administration accepted (non encrypted password).\n"); WFIFOB(s, 2) = 0; s->func_parse = parse_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", password, ip); else LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - invalid password (non encrypted password: %s, ip: %s)\n", password, ip); } else { // encrypted password { LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - encrypted login is disabled (ip: %s)\n", ip); } } } WFIFOSET(s, 3); RFIFOSKIP(s, (RFIFOW(s, 2) == 0) ? 28 : 20); 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", timestr); FPRINTF(logfp, "parse_login: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", s, ip, RFIFOW(s, 0), RFIFOREST(s)); FPRINTF(logfp, "Detail (in hex):\n"); FPRINTF(logfp, "---- 00-01-02-03-04-05-06-07 08-09-0A-0B-0C-0D-0E-0F\n"); char tmpstr[16 + 1] {}; int i; for (i = 0; i < RFIFOREST(s); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB(s, i)); if (RFIFOB(s, i) > 0x1f) tmpstr[i % 16] = RFIFOB(s, i); else tmpstr[i % 16] = '.'; if ((i - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); else if ((i + 1) % 16 == 0) { FPRINTF(logfp, " %s\n", tmpstr); std::fill(tmpstr + 0, tmpstr + 17, '\0'); } } if (i % 16 != 0) { for (j = i; j % 16 != 0; j++) { FPRINTF(logfp, " "); if ((j - 7) % 16 == 0) // -8 + 1 FPRINTF(logfp, " "); } FPRINTF(logfp, " %s\n", tmpstr); } FPRINTF(logfp, "\n"); } } LOGIN_LOG("End of connection, unknown packet (ip: %s)\n", ip); s->eof = 1; return; } } return; } //---------------------------------- // Reading Lan Support configuration //---------------------------------- static bool login_lan_config(XString w1, ZString w2) { struct hostent *h = NULL; { if (w1 == "lan_char_ip") { // Read Char-Server Lan IP Address h = gethostbyname(w2.c_str()); if (h != NULL) { 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", w2); return false; } PRINTF("LAN IP of char-server: %s.\n", lan_char_ip); } else if (w1 == "subnet" /*backward compatibility*/ || w1 == "lan_subnet") { if (!extract(w2, &lan_subnet)) { PRINTF("Bad IP mask: %s\n", w2); return false; } PRINTF("Sub-network of the char-server: %s.\n", 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"); LOGIN_LOG("- with LAN IP of char-server: %s.\n", lan_char_ip); LOGIN_LOG("- with the sub-network of the char-server: %s.\n", lan_subnet); // sub-network check of the char-server { PRINTF("LAN test of LAN IP of the char-server: "); 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" SGR_RESET "\n"); LOGIN_LOG("***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network.\n"); return false; } } return true; } //----------------------------------- // Reading general configuration file //----------------------------------- static bool login_config(XString w1, ZString w2) { { if (w1 == "admin_state") { admin_state = config_switch(w2); } else if (w1 == "admin_pass") { admin_pass = stringish(w2); } else if (w1 == "ladminallowip") { if (w2 == "clear") { access_ladmin.clear(); } else { // a.b.c.d/0.0.0.0 (canonically, 0.0.0.0/0) covers all if (w2 == "all") { // 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", w2); return false; } access_ladmin.push_back(n); } } } else if (w1 == "gm_pass") { gm_pass = w2; } else if (w1 == "level_new_gm") { level_new_gm = atoi(w2.c_str()); } else if (w1 == "new_account") { new_account = config_switch(w2); } else if (w1 == "login_port") { login_port = atoi(w2.c_str()); } else if (w1 == "account_filename") { account_filename = w2; } else if (w1 == "gm_account_filename") { gm_account_filename = w2; } else if (w1 == "gm_account_filename_check_timer") { gm_account_filename_check_timer = std::chrono::seconds(atoi(w2.c_str())); } else if (w1 == "login_log_filename") { login_log_filename = w2; } else if (w1 == "login_log_unknown_packets_filename") { login_log_unknown_packets_filename = w2; } else if (w1 == "save_unknown_packets") { save_unknown_packets = config_switch(w2); } else if (w1 == "display_parse_login") { display_parse_login = config_switch(w2); // 0: no, 1: yes } else if (w1 == "display_parse_admin") { display_parse_admin = config_switch(w2); // 0: no, 1: yes } else if (w1 == "display_parse_fromchar") { display_parse_fromchar = config_switch(w2); // 0: no, 1: yes (without packet 0x2714), 2: all packets } else if (w1 == "min_level_to_connect") { min_level_to_connect = atoi(w2.c_str()); } else if (w1 == "add_to_unlimited_account") { add_to_unlimited_account = config_switch(w2); } else if (w1 == "start_limited_time") { start_limited_time = atoi(w2.c_str()); } else if (w1 == "check_ip_flag") { check_ip_flag = config_switch(w2); } else if (w1 == "order") { if (w2 == "deny,allow" || w2 == "deny, allow") access_order = ACO::DENY_ALLOW; else if (w2 == "allow,deny" || w2 == "allow, deny") access_order = ACO::ALLOW_DENY; else if (w2 == "mutual-failture" || w2 == "mutual-failure") access_order = ACO::MUTUAL_FAILURE; else { PRINTF("Bad order: %s\n", w2); return false; } } else if (w1 == "allow") { if (w2 == "clear") { access_allow.clear(); } else { if (w2 == "all") { // 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", w2); return false; } access_allow.push_back(n); } } } else if (w1 == "deny") { if (w2 == "clear") { access_deny.clear(); } else { if (w2 == "all") { // 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", w2); return false; } access_deny.push_back(n); } } } else if (w1 == "anti_freeze_enable") { anti_freeze_enable = config_switch(w2); } else if (w1 == "anti_freeze_interval") { anti_freeze_interval = std::max( std::chrono::seconds(atoi(w2.c_str())), std::chrono::seconds(5)); } else if (w1 == "update_host") { update_host = w2; } else if (w1 == "main_server") { main_server = stringish(w2); } else if (w1 == "userid") { userid = stringish(w2); } else if (w1 == "passwd") { 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"); admin_state = 0; rv = false; } if (admin_state == 1) { if (!admin_pass) { PRINTF("***WARNING: Administrator password is void (admin_pass).\n"); rv = false; } else if (admin_pass == stringish("admin")) { PRINTF("***WARNING: You are using the default administrator password (admin_pass).\n"); PRINTF(" We highly recommend that you change it.\n"); } } if (!gm_pass) { PRINTF("***WARNING: 'To GM become' password is void (gm_pass).\n"); PRINTF(" We highly recommend that you set one password.\n"); rv = false; } else if (gm_pass == "gm") { PRINTF("***WARNING: You are using the default GM password (gm_pass).\n"); PRINTF(" We highly recommend that you change it.\n"); } if (level_new_gm < 0 || level_new_gm > 99) { PRINTF("***WARNING: Invalid value for level_new_gm parameter -> set to 60 (default).\n"); level_new_gm = 60; rv = false; } if (new_account != 0 && new_account != 1) { PRINTF("***WARNING: Invalid value for new_account parameter -> set to 0 (no new account).\n"); 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"); 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"); PRINTF(" -> set to 15 sec (default).\n"); gm_account_filename_check_timer = std::chrono::seconds(15); rv = false; } else if (gm_account_filename_check_timer == std::chrono::seconds(1)) { PRINTF("***WARNING: Invalid value for gm_account_filename_check_timer parameter.\n"); PRINTF(" -> set to 2 sec (minimum value).\n"); gm_account_filename_check_timer = std::chrono::seconds(2); 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"); 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"); PRINTF(" -> set to 0 (no display).\n"); 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"); PRINTF(" -> set to 0 (no display).\n"); 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"); PRINTF(" -> set to 0 (no display).\n"); display_parse_fromchar = 0; rv = false; } if (min_level_to_connect < 0) { // 0: all players, 1-99 at least gm level x PRINTF("***WARNING: Invalid value for min_level_to_connect (%d) parameter\n", min_level_to_connect); PRINTF(" -> set to 0 (any player).\n"); min_level_to_connect = 0; rv = false; } else if (min_level_to_connect > 99) { // 0: all players, 1-99 at least gm level x PRINTF("***WARNING: Invalid value for min_level_to_connect (%d) parameter\n", min_level_to_connect); PRINTF(" -> set to 99 (only GM level 99).\n"); min_level_to_connect = 99; 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"); PRINTF(" -> set to 0 (impossible to add a time to an unlimited account).\n"); 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"); PRINTF(" -> set to -1 (new accounts are created with unlimited time).\n"); 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"); PRINTF(" -> set to 1 (check players ip between login-server & char-server).\n"); 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"); PRINTF(" And you refuse ALL IP.\n"); 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"); PRINTF(" But, NO IP IS AUTHORISED!\n"); rv = false; } } else { // ACO::MUTUAL_FAILURE if (access_allow.empty()) { PRINTF("***WARNING: The IP security order is 'mutual-failture'\n"); PRINTF(" (allow if in the allow list and not in the deny list).\n"); PRINTF(" But, NO IP IS AUTHORISED!\n"); rv = false; } else if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { PRINTF("***WARNING: The IP security order is mutual-failture\n"); PRINTF(" (allow if in the allow list and not in the deny list).\n"); PRINTF(" But, you refuse ALL IP!\n"); rv = false; } } return rv; } //------------------------------- // Save configuration in log file //------------------------------- static void save_config_in_log(void) { // a newline in the log... LOGIN_LOG(""); LOGIN_LOG("The login-server starting...\n"); // save configuration in log file LOGIN_LOG("The configuration of the server is set:\n"); if (admin_state != 1) LOGIN_LOG("- with no remote administration.\n"); else if (!admin_pass) LOGIN_LOG("- with a remote administration with a VOID password.\n"); else if (admin_pass == stringish("admin")) LOGIN_LOG("- with a remote administration with the DEFAULT password.\n"); else LOGIN_LOG("- with a remote administration with the password of %zu character(s).\n", 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"); } else { LOGIN_LOG("- to accept following IP for remote administration:\n"); for (const IP4Mask& ae : access_ladmin) LOGIN_LOG(" %s\n", ae); } if (!gm_pass) LOGIN_LOG("- with a VOID 'To GM become' password (gm_pass).\n"); else if (gm_pass == "gm") LOGIN_LOG("- with the DEFAULT 'To GM become' password (gm_pass).\n"); else LOGIN_LOG("- with a 'To GM become' password (gm_pass) of %zu character(s).\n", gm_pass.size()); if (level_new_gm == 0) LOGIN_LOG("- to refuse any creation of GM with @gm.\n"); else LOGIN_LOG("- to create GM with level '%d' when @gm is used.\n", level_new_gm); if (new_account == 1) LOGIN_LOG("- to ALLOW new users (with _F/_M).\n"); else LOGIN_LOG("- to NOT ALLOW new users (with _F/_M).\n"); LOGIN_LOG("- with port: %d.\n", login_port); LOGIN_LOG("- with the accounts file name: '%s'.\n", account_filename); LOGIN_LOG("- with the GM accounts file name: '%s'.\n", gm_account_filename); if (gm_account_filename_check_timer == interval_t::zero()) LOGIN_LOG("- to NOT check GM accounts file modifications.\n"); else LOGIN_LOG("- to check GM accounts file modifications every %lld seconds.\n", 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", login_log_unknown_packets_filename); if (save_unknown_packets) LOGIN_LOG("- to SAVE all unkown packets.\n"); else LOGIN_LOG("- to SAVE only unkown packets sending by a char-server or a remote administration.\n"); if (display_parse_login) LOGIN_LOG("- to display normal parse packets on console.\n"); else LOGIN_LOG("- to NOT display normal parse packets on console.\n"); if (display_parse_admin) LOGIN_LOG("- to display administration parse packets on console.\n"); else LOGIN_LOG("- to NOT display administration parse packets on console.\n"); if (display_parse_fromchar) LOGIN_LOG("- to display char-server parse packets on console.\n"); else LOGIN_LOG("- to NOT display char-server parse packets on console.\n"); if (min_level_to_connect == 0) // 0: all players, 1-99 at least gm level x LOGIN_LOG("- with no minimum level for connection.\n"); else if (min_level_to_connect == 99) LOGIN_LOG("- to accept only GM with level 99.\n"); else LOGIN_LOG("- to accept only GM with level %d or more.\n", min_level_to_connect); if (add_to_unlimited_account) LOGIN_LOG("- to authorize adjustment (with timeadd ladmin) on an unlimited account.\n"); else LOGIN_LOG("- to refuse adjustment (with timeadd ladmin) on an unlimited account. You must use timeset (ladmin command) before.\n"); if (start_limited_time < 0) LOGIN_LOG("- to create new accounts with an unlimited time.\n"); else if (start_limited_time == 0) LOGIN_LOG("- to create new accounts with a limited time: time of creation.\n"); else LOGIN_LOG("- to create new accounts with a limited time: time of creation + %d second(s).\n", start_limited_time); if (check_ip_flag) LOGIN_LOG("- with control of players IP between login-server and char-server.\n"); else LOGIN_LOG("- to not check players IP between login-server and char-server.\n"); 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"); } 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"); } else { LOGIN_LOG("- with the IP security order: 'deny,allow' (allow if not deny). Refused IP are:\n"); for (IP4Mask ae : access_deny) LOGIN_LOG(" %s\n", 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"); } 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"); } else { LOGIN_LOG("- with the IP security order: 'allow,deny' (deny if not allow). Authorised IP are:\n"); for (IP4Mask ae : access_allow) LOGIN_LOG(" %s\n", 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"); if (access_allow.empty()) { LOGIN_LOG(" But, NO IP IS AUTHORISED!\n"); } else if (access_deny.size() == 1 && access_deny.front().mask() == IP4Address()) { LOGIN_LOG(" But, you refuse ALL IP!\n"); } else { if (access_allow.size() == 1 && access_allow.front().mask() == IP4Address()) { LOGIN_LOG(" You authorise ALL IP.\n"); } else { LOGIN_LOG(" Authorised IP are:\n"); for (IP4Mask ae : access_allow) LOGIN_LOG(" %s\n", ae); } LOGIN_LOG(" Refused IP are:\n"); for (IP4Mask ae : access_deny) LOGIN_LOG(" %s\n", 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"); } 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") { PRINTF("Usage: %s [--help] [--version] [files...]\n", argv0); exit(0); } else if (argvi == "--version") { PRINTF("%s\n", CURRENT_VERSION_STRING); exit(0); } else { FPRINTF(stderr, "Unknown argument: %s\n", 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", 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); set_defaultparse(parse_login); login_session = make_listen_port(login_port); Timer(gettick() + std::chrono::minutes(5), check_auth_sync, std::chrono::minutes(5) ).detach(); if (anti_freeze_enable > 0) { Timer(gettick() + std::chrono::seconds(1), 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 = std::chrono::minutes(1); Timer(gettick() + j, check_GM_file, j).detach(); LOGIN_LOG("The login-server is ready (Server is listening on the port %d).\n", login_port); PRINTF("The login-server is " SGR_BOLD SGR_GREEN "ready" SGR_RESET " (Server is listening on the port %d).\n\n", login_port); return 0; }