#include #include #include #include #include #include #include #include #include #include #include #include "../common/core.hpp" #include "../common/cxxstdio.hpp" #include "../common/db.hpp" #include "../common/extract.hpp" #include "../common/lock.hpp" #include "../common/md5calc.hpp" #include "../common/mmo.hpp" #include "../common/random.hpp" #include "../common/socket.hpp" #include "../common/timer.hpp" #include "../common/version.hpp" #include "../common/utils.hpp" #include "../poison.hpp" constexpr int MAX_SERVERS = 30; #define LOGIN_CONF_NAME "conf/login_athena.conf" #define LAN_CONF_NAME "conf/lan_support.conf" constexpr int START_ACCOUNT_NUM = 2000000; constexpr int END_ACCOUNT_NUM = 100000000; struct mmo_account { char userid[24]; char passwd[24]; int passwdenc; long account_id; long login_id1; long login_id2; long char_id; char lastlogin[24]; int sex; }; struct mmo_char_server { char name[20]; long ip; short port; int users; int maintenance; int is_new; }; static int account_id_count = START_ACCOUNT_NUM; static int server_num; static int new_account_flag = 0; static int login_port = 6900; static char lan_char_ip[16]; static int subneti[4]; static int subnetmaski[4]; static char update_host[128] = ""; static char main_server[20] = ""; static char account_filename[1024] = "save/account.txt"; static char GM_account_filename[1024] = "conf/GM_account.txt"; static char login_log_filename[1024] = "log/login.log"; static char login_log_unknown_packets_filename[1024] = "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 struct mmo_char_server server[MAX_SERVERS]; static int server_fd[MAX_SERVERS]; static int server_freezeflag[MAX_SERVERS]; // 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 int login_fd; enum { ACO_DENY_ALLOW = 0, ACO_ALLOW_DENY, ACO_MUTUAL_FAILTURE, ACO_STRSIZE = 128, }; static int access_order = ACO_DENY_ALLOW; static int access_allownum = 0; static int access_denynum = 0; static char *access_allow = NULL; static char *access_deny = NULL; static int access_ladmin_allownum = 0; static char *access_ladmin_allow = NULL; 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) struct login_session_data { int md5keylen; char md5key[20]; }; constexpr int AUTH_FIFO_SIZE = 256; struct { int account_id, login_id1, login_id2; int ip, sex, delflag; } auth_fifo[AUTH_FIFO_SIZE]; static int auth_fifo_pos = 0; static struct auth_dat { int account_id, sex; char userid[24], pass[40], lastlogin[24]; int logincount; int state; // packet 0x006a value + 1 (0: compte OK) char email[40]; // e-mail (by default: a@a.com) char error_message[20]; // 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) char last_ip[16]; // save of last IP of connection char memo[255]; // a memo field int account_reg2_num; struct global_reg account_reg2[ACCOUNT_REG2_NUM]; } *auth_dat; static int auth_num = 0, auth_max = 0; static int admin_state = 0; static char admin_pass[24] = ""; static char gm_pass[64] = ""; 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(static_cast(STRPRINTF(fmt, ## __VA_ARGS__))) static void login_log(const_string line) { FILE *logfp = fopen_(login_log_filename, "a"); if (!logfp) return; log_with_timestamp(logfp, line); fclose_(logfp); } //---------------------------------------------------------------------- // 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 int isGM(int account_id) { struct 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) { char line[512]; FILE *fp; int c = 0; int GM_level; gm_account_db.clear(); creation_time_GM_account_file = file_modified(GM_account_filename); if ((fp = fopen_(GM_account_filename, "r")) == NULL) { 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) while (fgets(line, sizeof(line) - 1, fp) && c < 4000) { if ((line[0] == '/' && line[1] == '/') || line[0] == '\0' || line[0] == '\n' || line[0] == '\r') continue; struct gm_account p {}; if (sscanf(line, "%d %d", &p.account_id, &p.level) != 2 && sscanf(line, "%d: %d", &p.account_id, &p.level) != 2) PRINTF("read_gm_account: file [%s], invalid 'id_acount level' format.\n", GM_account_filename); 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"); } } } } } fclose_(fp); 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; } //-------------------------------------------------------------- // Test of the IP mask // (ip: IP to be tested, str: mask x.x.x.x/# or x.x.x.x/y.y.y.y) //-------------------------------------------------------------- static int check_ipmask(struct in_addr ip, const char *str) { unsigned int mask = 0, ip2; unsigned char *p = (unsigned char *) &ip2, *p2 = (unsigned char *) &mask; int i = 0; unsigned int m; if (sscanf(str, "%hhu.%hhu.%hhu.%hhu/%n", &p[0], &p[1], &p[2], &p[3], &i) != 4 || i == 0) return 0; if (sscanf(str + i, "%hhu.%hhu.%hhu.%hhu", &p2[0], &p2[1], &p2[2], &p2[3]) == 4) { mask = ntohl(mask); } else if (sscanf(str + i, "%u", &m) == 1 && m <= 32) { for (i = 0; i < m && i < 32; i++) mask = (mask >> 1) | 0x80000000; } else { PRINTF("check_ipmask: invalid mask [%s].\n", str); return 0; } // PRINTF("Tested IP: %08x, network: %08x, network mask: %08x\n", // (unsigned int)ntohl(ip), (unsigned int)ntohl(ip2), (unsigned int)mask); return ((ntohl(ip.s_addr) & mask) == (ntohl(ip2) & mask)); } //--------------------- // Access control by IP //--------------------- static int check_ip(struct in_addr ip) { int i; enum { ACF_DEF, ACF_ALLOW, ACF_DENY } flag = ACF_DEF; if (access_allownum == 0 && access_denynum == 0) return 1; // When there is no restriction, all IP are authorised. // + 012.345.: front match form, or // all: all IP are matched, or // 012.345.678.901/24: network form (mask with # of bits), or // 012.345.678.901/255.255.255.0: network form (mask with ip mask) // + Note about the DNS resolution (like www.ne.jp, etc.): // There is no guarantee to have an answer. // If we have an answer, there is no guarantee to have a 100% correct value. // And, the waiting time (to check) can be long (over 1 minute to a timeout). That can block the software. // So, DNS notation isn't authorised for ip checking. const char *buf = ip2str(ip, true); for (i = 0; i < access_allownum; i++) { const char *p = access_allow + i * ACO_STRSIZE; if (memcmp(p, buf, strlen(p)) == 0 || check_ipmask(ip, p)) { flag = ACF_ALLOW; if (access_order == ACO_ALLOW_DENY) return 1; // With 'allow, deny' (deny if not allow), allow has priority break; } } for (i = 0; i < access_denynum; i++) { const char *p = access_deny + i * ACO_STRSIZE; if (memcmp(p, buf, strlen(p)) == 0 || check_ipmask(ip, p)) { flag = ACF_DENY; return 0; // At this point, if it's 'deny', we refuse connection. } } return (flag == ACF_ALLOW || access_order == ACO_DENY_ALLOW) ? 1 : 0; // 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 int check_ladminip(struct in_addr ip) { int i; if (access_ladmin_allownum == 0) return 1; // When there is no restriction, all IP are authorised. // + 012.345.: front match form, or // all: all IP are matched, or // 012.345.678.901/24: network form (mask with # of bits), or // 012.345.678.901/255.255.255.0: network form (mask with ip mask) // + Note about the DNS resolution (like www.ne.jp, etc.): // There is no guarantee to have an answer. // If we have an answer, there is no guarantee to have a 100% correct value. // And, the waiting time (to check) can be long (over 1 minute to a timeout). That can block the software. // So, DNS notation isn't authorised for ip checking. const char *buf = ip2str(ip, true); for (i = 0; i < access_ladmin_allownum; i++) { const char *p = access_ladmin_allow + i * ACO_STRSIZE; if (memcmp(p, buf, strlen(p)) == 0 || check_ipmask(ip, p)) { return 1; } } return 0; } //----------------------------------------------- // Search an account id // (return account index or -1 (if not found)) // If exact account name is not found, // the function checks without case sensitive // and returns index if only 1 account is found // and similar to the searched name. //----------------------------------------------- static int search_account_index(char *account_name) { int i, quantity, index; quantity = 0; index = -1; for (i = 0; i < auth_num; i++) { // Without case sensitive check (increase the number of similar account names found) if (strcasecmp(auth_dat[i].userid, account_name) == 0) { // Strict comparison (if found, we finish the function immediatly with correct value) if (strcmp(auth_dat[i].userid, account_name) == 0) return i; quantity++; index = i; } } // Here, the exact account name is not found // We return the found index of a similar account ONLY if there is 1 similar account if (quantity == 1) return index; // Exact account name is not found and 0 or more than 1 similar accounts have been found ==> we say not found return -1; } //-------------------------------------------------------- // Create a string to save the account in the account file //-------------------------------------------------------- static std::string mmo_auth_tostr(struct auth_dat *p) { std::string 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, (p->sex == 2) ? 'S' : (p->sex ? 'M' : 'F'), p->logincount, p->state, p->email, p->error_message, p->connect_until_time, p->last_ip, p->memo, p->ban_until_time); for (int i = 0; i < p->account_reg2_num; i++) if (p->account_reg2[i].str[0]) str += STRPRINTF("%s,%d ", p->account_reg2[i].str, p->account_reg2[i].value); return str; } static bool extract(const_string line, struct auth_dat *ad) { std::vector vars; const_string sex = nullptr; // really only 1 char 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, &ad->last_ip, &ad->memo, &ad->ban_until_time, vrec<' '>(&vars)))) return false; if (ad->account_id > END_ACCOUNT_NUM) return false; for (int j = 0; j < auth_num; j++) { if (auth_dat[j].account_id == ad->account_id) return false; else if (strcmp(auth_dat[j].userid, ad->userid) == 0) 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[0] != '!' && ad->memo[0] == '-') { strcpy(ad->pass, MD5_saltcrypt(ad->pass, make_salt())); ad->memo[0] = '!'; } if (sex.size() != 1) return false; switch(sex.front()) { case 'S': case 's': ad->sex = 2; break; case 'M': case 'm': ad->sex = 1; break; case 'F': case 'f': ad->sex = 0; break; default: return false; } if (e_mail_check(ad->email) == 0) strzcpy(ad->email, "a@a.com", 40); if (ad->error_message[0] == '\0' || ad->state != 7) // 7, because state is packet 0x006a value + 1 strzcpy(ad->error_message, "-", 20); if (vars.size() > ACCOUNT_REG2_NUM) return false; std::copy(vars.begin(), vars.end(), ad->account_reg2); ad->account_reg2_num = vars.size(); return true; } //--------------------------------- // Reading of the accounts database //--------------------------------- static int mmo_auth_init(void) { int GM_count = 0; int server_count = 0; CREATE(auth_dat, struct auth_dat, 256); auth_max = 256; std::ifstream in(account_filename); if (!in.is_open()) { // no account file -> no account -> no login, including char-server (ERROR) PRINTF("\033[1;31mmmo_auth_init: Accounts file [%s] not found.\033[0m\n", account_filename); return 0; } std::string line; while (std::getline(in, line)) { if (line[0] == '/' && line[1] == '/') continue; if (line.back() == '\r') { #ifdef WORKAROUND_GCC46_LIBRARY line.resize(line.size() - 1); #else line.pop_back(); #endif } if (std::find_if(line.begin(), line.end(), [](unsigned char c) { return c < ' ' && c != '\t'; } ) != line.end()) continue; struct auth_dat 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; } if (auth_num >= auth_max) { auth_max += 256; RECREATE(auth_dat, struct auth_dat, auth_max); } auth_dat[auth_num] = ad; if (isGM(ad.account_id) > 0) GM_count++; if (auth_dat[auth_num].sex == 2) server_count++; auth_num++; if (ad.account_id >= account_id_count) account_id_count = ad.account_id + 1; } std::string str = STRPRINTF("%s has %d accounts (%d GMs, %d servers)\n", account_filename, auth_num, GM_count, server_count); PRINTF("%s: %s\n", __PRETTY_FUNCTION__, str); LOGIN_LOG("%s\n", line); return 0; } //------------------------------------------ // Writing of the accounts database file // (accounts are sorted by id before save) //------------------------------------------ static void mmo_auth_sync(void) { FILE *fp; int i, j, k, lock; int id[auth_num]; // Sorting before save for (i = 0; i < auth_num; i++) { id[i] = i; for (j = 0; j < i; j++) { if (auth_dat[i].account_id < auth_dat[id[j]].account_id) { for (k = i; k > j; k--) id[k] = id[k - 1]; id[j] = i; // id[i] break; } } } // Data save fp = lock_fopen(account_filename, &lock); if (fp == NULL) 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 (i = 0; i < auth_num; i++) { k = id[i]; // use of sorted index if (auth_dat[k].account_id < 0) continue; std::string line = mmo_auth_tostr(&auth_dat[k]); FPRINTF(fp, "%s\n", line); } FPRINTF(fp, "%d\t%%newid%%\n", account_id_count); lock_fclose(fp, account_filename, &lock); return; } // 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; 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(int sfd, const uint8_t *buf, size_t len) { for (int i = 0; i < MAX_SERVERS; i++) { int fd = server_fd[i]; if (fd >= 0 && fd != sfd) { memcpy(WFIFOP(fd, 0), buf, len); WFIFOSET(fd, len); } } } //----------------------------------------------------- // Send GM accounts to all char-server //----------------------------------------------------- static void send_GM_accounts(void) { int i; uint8_t buf[32000]; int GM_value; int len; len = 4; WBUFW(buf, 0) = 0x2732; for (i = 0; i < auth_num; i++) // send only existing accounts. We can not create a GM account when server is online. if ((GM_value = isGM(auth_dat[i].account_id)) > 0) { WBUFL(buf, len) = auth_dat[i].account_id; WBUFB(buf, len + 4) = (unsigned char) GM_value; len += 5; } WBUFW(buf, 2) = len; charif_sendallwos(-1, buf, len); return; } //----------------------------------------------------- // 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, char sex, const char *email) { int i = auth_num; if (auth_num >= auth_max) { auth_max += 256; RECREATE(auth_dat, struct auth_dat, auth_max); } memset(&auth_dat[i], '\0', sizeof(struct auth_dat)); while (isGM(account_id_count) > 0) account_id_count++; auth_dat[i].account_id = account_id_count++; strncpy(auth_dat[i].userid, account->userid, 24); auth_dat[i].userid[23] = '\0'; strcpy(auth_dat[i].pass, MD5_saltcrypt(account->passwd, make_salt())); auth_dat[i].pass[39] = '\0'; memcpy(auth_dat[i].lastlogin, "-", 2); auth_dat[i].sex = (sex == 'M'); auth_dat[i].logincount = 0; auth_dat[i].state = 0; if (e_mail_check(email) == 0) strncpy(auth_dat[i].email, "a@a.com", 40); else strncpy(auth_dat[i].email, email, 40); strncpy(auth_dat[i].error_message, "-", 20); auth_dat[i].ban_until_time = TimeT(); if (start_limited_time < 0) auth_dat[i].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. auth_dat[i].connect_until_time = timestamp; } strncpy(auth_dat[i].last_ip, "-", 16); strncpy(auth_dat[i].memo, "!", 255); auth_dat[i].account_reg2_num = 0; auth_num++; return(account_id_count - 1); } //--------------------------------------- // Check/authentification of a connection //--------------------------------------- static int mmo_auth(struct mmo_account *account, int fd) { int i; int len, newaccount = 0; #ifdef PASSWDENC char md5str[64], md5bin[32]; #endif const char *ip = ip2str(session[fd]->client_addr.sin_addr); len = strlen(account->userid) - 2; // Account creation with _M/_F if (account->passwdenc == 0 && account->userid[len] == '_' && (account->userid[len + 1] == 'F' || account->userid[len + 1] == 'M') && new_account_flag == 1 && account_id_count <= END_ACCOUNT_NUM && len >= 4 && strlen(account->passwd) >= 4) { if (new_account_flag == 1) newaccount = 1; account->userid[len] = '\0'; } // Strict account search for (i = 0; i < auth_num; i++) { if (strcmp(account->userid, auth_dat[i].userid) == 0) break; } // if there is no creation request and strict account search fails, we do a no sensitive case research for index if (newaccount == 0 && i == auth_num) { i = search_account_index(account->userid); if (i == -1) i = auth_num; else memcpy(account->userid, auth_dat[i].userid, 24); // for the possible tests/checks afterwards (copy correcte sensitive case). } if (i != auth_num) { int encpasswdok = 0; if (newaccount) { LOGIN_LOG("Attempt of creation of an already existant account (account: %s_%c, ip: %s)\n", account->userid, account->userid[len + 1], ip); return 9; // 9 = Account already exists } if ((!pass_ok(account->passwd, auth_dat[i].pass)) && !encpasswdok) { if (account->passwdenc == 0) LOGIN_LOG("Invalid password (account: %s, ip: %s)\n", account->userid, ip); return 1; // 1 = Incorrect Password } if (auth_dat[i].state) { LOGIN_LOG("Connection refused (account: %s, state: %d, ip: %s)\n", account->userid, auth_dat[i].state, ip); switch (auth_dat[i].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 auth_dat[i].state - 1; default: return 99; // 99 = ID has been totally erased } } if (auth_dat[i].ban_until_time) { // if account is banned timestamp_seconds_buffer tmpstr; stamp_time(tmpstr, &auth_dat[i].ban_until_time); if (auth_dat[i].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); auth_dat[i].ban_until_time = TimeT(); // reset the ban time } } if (auth_dat[i].connect_until_time && auth_dat[i].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, auth_dat[i].account_id, ip); } else { if (newaccount == 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, account->userid[len + 1], "a@a.com"); LOGIN_LOG("Account creation and authentification accepted (account %s (id: %d), sex: %c, connection with _F/_M, ip: %s)\n", account->userid, new_id, account->userid[len + 1], ip); } } timestamp_milliseconds_buffer tmpstr; stamp_time(tmpstr); account->account_id = auth_dat[i].account_id; account->login_id1 = random_::generate(); account->login_id2 = random_::generate(); memcpy(account->lastlogin, auth_dat[i].lastlogin, 24); memcpy(auth_dat[i].lastlogin, tmpstr, 24); account->sex = auth_dat[i].sex; strncpy(auth_dat[i].last_ip, ip, 16); auth_dat[i].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_fd[i] >= 0) { // 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); session[server_fd[i]]->eof = 1; } } } } //-------------------------------- // Packet parsing for char-servers //-------------------------------- static void parse_fromchar(int fd) { int i, j, id; const char *ip = ip2str(session[fd]->client_addr.sin_addr); for (id = 0; id < MAX_SERVERS; id++) if (server_fd[id] == fd) break; if (id == MAX_SERVERS || session[fd]->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_fd[id] = -1; memset(&server[id], 0, sizeof(struct mmo_char_server)); } delete_session(fd); return; } while (RFIFOREST(fd) >= 2) { if (display_parse_fromchar == 2 || (display_parse_fromchar == 1 && RFIFOW(fd, 0) != 0x2714)) // 0x2714 is done very often (number of players) PRINTF("parse_fromchar: connection #%d, packet: 0x%x (with being read: %zu bytes).\n", fd, RFIFOW(fd, 0), RFIFOREST(fd)); switch (RFIFOW(fd, 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(fd, 2); break; case 0x2712: // request from char-server to authentify an account if (RFIFOREST(fd) < 19) return; { int acc; acc = RFIFOL(fd, 2); // speed up for (i = 0; i < AUTH_FIFO_SIZE; i++) { if (auth_fifo[i].account_id == acc && auth_fifo[i].login_id1 == RFIFOL(fd, 6) && auth_fifo[i].login_id2 == RFIFOL(fd, 10) && // relate to the versions higher than 18 auth_fifo[i].sex == RFIFOB(fd, 14) && (!check_ip_flag || auth_fifo[i].ip == RFIFOL(fd, 15)) && !auth_fifo[i].delflag) { int p, k; auth_fifo[i].delflag = 1; LOGIN_LOG("Char-server '%s': authentification of the account %d accepted (ip: %s).\n", server[id].name, acc, ip); // PRINTF("%d\n", i); for (k = 0; k < auth_num; k++) { if (auth_dat[k].account_id == acc) { WFIFOW(fd, 0) = 0x2729; // Sending of the account_reg2 WFIFOL(fd, 4) = acc; for (p = 8, j = 0; j < auth_dat[k].account_reg2_num; p += 36, j++) { memcpy(WFIFOP(fd, p), auth_dat[k]. account_reg2[j].str, 32); WFIFOL(fd, p + 32) = auth_dat[k].account_reg2[j].value; } WFIFOW(fd, 2) = p; WFIFOSET(fd, p); // PRINTF("parse_fromchar: Sending of account_reg2: login->char (auth fifo)\n"); WFIFOW(fd, 0) = 0x2713; WFIFOL(fd, 2) = acc; WFIFOB(fd, 6) = 0; memcpy(WFIFOP(fd, 7), auth_dat[k].email, 40); WFIFOL(fd, 47) = static_cast(auth_dat[k].connect_until_time); WFIFOSET(fd, 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(fd, 0) = 0x2713; WFIFOL(fd, 2) = acc; WFIFOB(fd, 6) = 1; // It is unnecessary to send email // It is unnecessary to send validity date of the account WFIFOSET(fd, 51); } } RFIFOSKIP(fd, 19); break; case 0x2714: if (RFIFOREST(fd) < 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(fd, 2); if (anti_freeze_enable) server_freezeflag[id] = 5; // Char anti-freeze system. Counter. 5 ok, 4...0 freezed RFIFOSKIP(fd, 6); break; // we receive a e-mail creation of an account with a default e-mail (no answer) case 0x2715: { int acc; char email[40]; if (RFIFOREST(fd) < 46) return; acc = RFIFOL(fd, 2); // speed up memcpy(email, RFIFOP(fd, 6), 40); email[39] = '\0'; remove_control_chars(email); //PRINTF("parse_fromchar: an e-mail creation of an account with a default e-mail: server '%s', account: %d, e-mail: '%s'.\n", server[id].name, acc, RFIFOP(fd,6)); if (e_mail_check(email) == 0) 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 (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc && (strcmp(auth_dat[i].email, "a@a.com") == 0 || auth_dat[i].email[0] == '\0')) { memcpy(auth_dat[i].email, email, 40); 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); break; } } if (i == auth_num) 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); } RFIFOSKIP(fd, 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(fd) < 6) return; //PRINTF("parse_fromchar: E-mail/limited time request from '%s' server (concerned account: %d)\n", server[id].name, RFIFOL(fd,2)); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == RFIFOL(fd, 2)) { LOGIN_LOG("Char-server '%s': e-mail of the account %d found (ip: %s).\n", server[id].name, RFIFOL(fd, 2), ip); WFIFOW(fd, 0) = 0x2717; WFIFOL(fd, 2) = RFIFOL(fd, 2); memcpy(WFIFOP(fd, 6), auth_dat[i].email, 40); WFIFOL(fd, 46) = static_cast(auth_dat[i].connect_until_time); WFIFOSET(fd, 50); break; } } if (i == auth_num) { LOGIN_LOG("Char-server '%s': e-mail of the account %d NOT found (ip: %s).\n", server[id].name, RFIFOL(fd, 2), ip); } RFIFOSKIP(fd, 6); break; case 0x2720: // To become GM request if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd, 2)) return; { int acc; unsigned char buf[10]; FILE *fp; acc = RFIFOL(fd, 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; if (strcmp((const char *)RFIFOP(fd, 8), gm_pass) == 0) { // 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 if ((fp = fopen_(GM_account_filename, "a")) != NULL) { 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); fclose_(fp); 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(-1, buf, 10); } RFIFOSKIP(fd, RFIFOW(fd, 2)); return; // Map server send information to change an email of an account via char-server case 0x2722: // 0x2722 .L .40B .40B if (RFIFOREST(fd) < 86) return; { int acc; char actual_email[40], new_email[40]; acc = RFIFOL(fd, 2); memcpy(actual_email, RFIFOP(fd, 6), 40); actual_email[39] = '\0'; remove_control_chars(actual_email); memcpy(new_email, RFIFOP(fd, 46), 40); new_email[39] = '\0'; remove_control_chars(new_email); if (e_mail_check(actual_email) == 0) 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) == 0) 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 (strcasecmp(new_email, "a@a.com") == 0) 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 (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { if (strcasecmp(auth_dat[i].email, actual_email) == 0) { memcpy(auth_dat[i].email, new_email, 40); 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, auth_dat[i].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, auth_dat[i].userid, auth_dat[i].email, actual_email, ip); break; } } if (i == auth_num) 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); } } RFIFOSKIP(fd, 86); break; // Receiving of map-server via char-server a status change resquest (by Yor) case 0x2724: if (RFIFOREST(fd) < 10) return; { int acc, statut; acc = RFIFOL(fd, 2); statut = RFIFOL(fd, 6); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { if (auth_dat[i].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(-1, buf, 11); for (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) } auth_dat[i].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); break; } } if (i == auth_num) { 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); } RFIFOSKIP(fd, 10); } return; case 0x2725: // Receiving of map-server via char-server a ban resquest (by Yor) if (RFIFOREST(fd) < 18) return; { int acc; acc = RFIFOL(fd, 2); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { TimeT now = TimeT::now(); TimeT timestamp; if (!auth_dat[i].ban_until_time || auth_dat[i].ban_until_time < now) timestamp = now; else timestamp = auth_dat[i].ban_until_time; struct tm tmtime = timestamp; tmtime.tm_year += (short) RFIFOW(fd, 6); tmtime.tm_mon += (short) RFIFOW(fd, 8); tmtime.tm_mday += (short) RFIFOW(fd, 10); tmtime.tm_hour += (short) RFIFOW(fd, 12); tmtime.tm_min += (short) RFIFOW(fd, 14); tmtime.tm_sec += (short) RFIFOW(fd, 16); timestamp = tmtime; if (timestamp.okay()) { if (timestamp <= now) timestamp = TimeT(); if (auth_dat[i].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) = auth_dat[i].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(-1, buf, 11); for (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); } auth_dat[i].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); } break; } } if (i == auth_num) { LOGIN_LOG("Char-server '%s': Error of ban request (account: %d not found, ip: %s).\n", server[id].name, acc, ip); } RFIFOSKIP(fd, 18); } return; case 0x2727: // Change of sex (sex is reversed) if (RFIFOREST(fd) < 6) return; { int acc, sex; acc = RFIFOL(fd, 2); for (i = 0; i < auth_num; i++) { // PRINTF("%d,", auth_dat[i].account_id); if (auth_dat[i].account_id == acc) { if (auth_dat[i].sex == 2) LOGIN_LOG("Char-server '%s': Error of sex change - Server account (suggested account: %d, actual sex %d (Server), ip: %s).\n", server[id].name, acc, auth_dat[i].sex, ip); else { unsigned char buf[16]; if (auth_dat[i].sex == 0) sex = 1; else sex = 0; LOGIN_LOG("Char-server '%s': Sex change (account: %d, new sex %c, ip: %s).\n", server[id].name, acc, (sex == 2) ? 'S' : (sex ? 'M' : 'F'), ip); for (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) auth_dat[i].sex = sex; WBUFW(buf, 0) = 0x2723; WBUFL(buf, 2) = acc; WBUFB(buf, 6) = sex; charif_sendallwos(-1, buf, 7); } break; } } if (i == auth_num) { 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); } RFIFOSKIP(fd, 6); } return; case 0x2728: // We receive account_reg2 from a char-server, and we send them to other char-servers. if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd, 2)) return; { int acc, p; acc = RFIFOL(fd, 4); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { unsigned char buf[RFIFOW(fd, 2) + 1]; LOGIN_LOG("Char-server '%s': receiving (from the char-server) of account_reg2 (account: %d, ip: %s).\n", server[id].name, acc, ip); for (p = 8, j = 0; p < RFIFOW(fd, 2) && j < ACCOUNT_REG2_NUM; p += 36, j++) { memcpy(auth_dat[i].account_reg2[j].str, RFIFOP(fd, p), 32); auth_dat[i].account_reg2[j].str[31] = '\0'; remove_control_chars(auth_dat[i].account_reg2 [j].str); auth_dat[i].account_reg2[j].value = RFIFOL(fd, p + 32); } auth_dat[i].account_reg2_num = j; // Sending information towards the other char-servers. memcpy(WBUFP(buf, 0), RFIFOP(fd, 0), RFIFOW(fd, 2)); WBUFW(buf, 0) = 0x2729; charif_sendallwos(fd, buf, WBUFW(buf, 2)); // PRINTF("parse_fromchar: receiving (from the char-server) of account_reg2 (account id: %d).\n", acc); break; } } if (i == auth_num) { // PRINTF("parse_fromchar: receiving (from the char-server) of account_reg2 (unknwon account id: %d).\n", acc); 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); } } RFIFOSKIP(fd, RFIFOW(fd, 2)); break; case 0x272a: // Receiving of map-server via char-server a unban resquest (by Yor) if (RFIFOREST(fd) < 6) return; { int acc; acc = RFIFOL(fd, 2); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { if (auth_dat[i].ban_until_time) { auth_dat[i].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); } break; } } if (i == auth_num) { LOGIN_LOG("Char-server '%s': Error of UnBan request (account: %d not found, ip: %s).\n", server[id].name, acc, ip); } RFIFOSKIP(fd, 6); } return; // request from char-server to change account password case 0x2740: // 0x2740 .L .24B .24B if (RFIFOREST(fd) < 54) return; { int acc; char actual_pass[24], new_pass[24]; acc = RFIFOL(fd, 2); memcpy(actual_pass, RFIFOP(fd, 6), 24); actual_pass[23] = '\0'; remove_control_chars(actual_pass); memcpy(new_pass, RFIFOP(fd, 30), 24); new_pass[23] = '\0'; remove_control_chars(new_pass); int status = 0; for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { if (pass_ok(actual_pass, auth_dat[i].pass)) { if (strlen(new_pass) < 4) status = 3; else { status = 1; strcpy(auth_dat[i].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, auth_dat[i].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, auth_dat[i].userid, ip); } break; } } WFIFOW(fd, 0) = 0x2741; WFIFOL(fd, 2) = acc; WFIFOB(fd, 6) = status; // 0: acc not found, 1: success, 2: password mismatch, 3: pass too short WFIFOSET(fd, 7); } RFIFOSKIP(fd, 54); break; default: { FILE *logfp; logfp = fopen_(login_log_unknown_packets_filename, "a"); if (logfp) { timestamp_milliseconds_buffer tmpstr; stamp_time(tmpstr); FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n", tmpstr); FPRINTF(logfp, "parse_fromchar: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", fd, ip, RFIFOW(fd, 0), RFIFOREST(fd)); 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"); memset(tmpstr, '\0', sizeof(tmpstr)); for (i = 0; i < RFIFOREST(fd); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB(fd, i)); if (RFIFOB(fd, i) > 0x1f) tmpstr[i % 16] = RFIFOB(fd, 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); memset(tmpstr, '\0', sizeof(tmpstr)); } } 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"); fclose_(logfp); } } PRINTF("parse_fromchar: Unknown packet 0x%x (from a char-server)! -> disconnection.\n", RFIFOW(fd, 0)); session[fd]->eof = 1; PRINTF("Char-server has been disconnected (unknown packet).\n"); return; } } return; } //--------------------------------------- // Packet parsing for administation login //--------------------------------------- static void parse_admin(int fd) { int i, j; char account_name[24]; const char *ip = ip2str(session[fd]->client_addr.sin_addr); if (session[fd]->eof) { delete_session(fd); PRINTF("Remote administration has disconnected (session #%d).\n", fd); return; } while (RFIFOREST(fd) >= 2) { if (display_parse_admin == 1) PRINTF("parse_admin: connection #%d, packet: 0x%x (with being read: %zu).\n", fd, RFIFOW(fd, 0), RFIFOREST(fd)); switch (RFIFOW(fd, 0)) { case 0x7530: // Request of the server version LOGIN_LOG("'ladmin': Sending of the server version (ip: %s)\n", ip); WFIFOW(fd, 0) = 0x7531; WFIFOB(fd, 2) = ATHENA_MAJOR_VERSION; WFIFOB(fd, 3) = ATHENA_MINOR_VERSION; WFIFOB(fd, 4) = ATHENA_REVISION; WFIFOB(fd, 5) = ATHENA_RELEASE_FLAG; WFIFOB(fd, 6) = ATHENA_OFFICIAL_FLAG; WFIFOB(fd, 7) = ATHENA_SERVER_LOGIN; WFIFOW(fd, 8) = ATHENA_MOD_VERSION; WFIFOSET(fd, 10); RFIFOSKIP(fd, 2); break; case 0x7532: // Request of end of connection LOGIN_LOG("'ladmin': End of connection (ip: %s)\n", ip); RFIFOSKIP(fd, 2); session[fd]->eof = 1; break; case 0x7920: // Request of an accounts list if (RFIFOREST(fd) < 10) return; { int st, ed, len; int id[auth_num]; st = RFIFOL(fd, 2); ed = RFIFOL(fd, 6); RFIFOSKIP(fd, 10); WFIFOW(fd, 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); // Sort before send for (i = 0; i < auth_num; i++) { int k; id[i] = i; for (j = 0; j < i; j++) { if (auth_dat[id[i]].account_id < auth_dat[id[j]].account_id) { for (k = i; k > j; k--) { id[k] = id[k - 1]; } id[j] = i; // id[i] break; } } } // Sending accounts information len = 4; for (i = 0; i < auth_num && len < 30000; i++) { int account_id = auth_dat[id[i]].account_id; // use sorted index if (account_id >= st && account_id <= ed) { j = id[i]; WFIFOL(fd, len) = account_id; WFIFOB(fd, len + 4) = (unsigned char) isGM(account_id); memcpy(WFIFOP(fd, len + 5), auth_dat[j].userid, 24); WFIFOB(fd, len + 29) = auth_dat[j].sex; WFIFOL(fd, len + 30) = auth_dat[j].logincount; if (auth_dat[j].state == 0 && auth_dat[j].ban_until_time) // if no state and banished WFIFOL(fd, len + 34) = 7; // 6 = Your are Prohibited to log in until %s else WFIFOL(fd, len + 34) = auth_dat[j].state; len += 38; } } WFIFOW(fd, 2) = len; WFIFOSET(fd, len); } break; case 0x7924: { // [Fate] Itemfrob package: change item IDs if (RFIFOREST(fd) < 10) return; uint8_t buf[10]; memcpy(buf, RFIFOP(fd, 0), 10); // forward package to char servers charif_sendallwos(-1, buf, 10); RFIFOSKIP(fd, 10); WFIFOW(fd, 0) = 0x7925; WFIFOSET(fd, 2); break; } case 0x7930: // Request for an account creation if (RFIFOREST(fd) < 91) return; { struct mmo_account ma; strzcpy(ma.userid, static_cast(RFIFOP(fd, 2)), 24); strzcpy(ma.passwd, static_cast(RFIFOP(fd, 26)), 24); memcpy(ma.lastlogin, "-", 2); ma.sex = RFIFOB(fd, 50); WFIFOW(fd, 0) = 0x7931; WFIFOL(fd, 2) = -1; memcpy(WFIFOP(fd, 6), ma.userid, 24); if (strlen(ma.userid) < 4 || strlen(ma.passwd) < 4) { LOGIN_LOG("'ladmin': Attempt to create an invalid account (account or pass is too short, ip: %s)\n", ip); } else if (ma.sex != 'F' && ma.sex != 'M') { 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 { remove_control_chars(ma.userid); remove_control_chars(ma.passwd); for (i = 0; i < auth_num; i++) { if (strncmp(auth_dat[i].userid, ma.userid, 24) == 0) { LOGIN_LOG("'ladmin': Attempt to create an already existing account (account: %s ip: %s)\n", auth_dat[i].userid, ip); break; } } if (i == auth_num) { int new_id; char email[40]; strzcpy(email, static_cast(RFIFOP(fd, 51)), 40); remove_control_chars(email); 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_dat[i].email, ip); WFIFOL(fd, 2) = new_id; } } WFIFOSET(fd, 30); RFIFOSKIP(fd, 91); } break; case 0x7932: // Request for an account deletion if (RFIFOREST(fd) < 26) return; WFIFOW(fd, 0) = 0x7933; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { { // Char-server is notified of deletion (for characters deletion). uint8_t buf[6]; WBUFW(buf, 0) = 0x2730; WBUFL(buf, 2) = auth_dat[i].account_id; charif_sendallwos(-1, buf, 6); // send answer memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); WFIFOL(fd, 2) = auth_dat[i].account_id; // save deleted account in log file LOGIN_LOG("'ladmin': Account deletion (account: %s, id: %d, ip: %s) - saved in next line:\n", auth_dat[i].userid, auth_dat[i].account_id, ip); } { std::string buf = mmo_auth_tostr(&auth_dat[i]); LOGIN_LOG("%s\n", buf); } // delete account memset(auth_dat[i].userid, '\0', sizeof(auth_dat[i].userid)); auth_dat[i].account_id = -1; } else { memcpy(WFIFOP(fd, 6), account_name, 24); LOGIN_LOG("'ladmin': Attempt to delete an unknown account (account: %s, ip: %s)\n", account_name, ip); } WFIFOSET(fd, 30); RFIFOSKIP(fd, 26); break; case 0x7934: // Request to change a password if (RFIFOREST(fd) < 50) return; WFIFOW(fd, 0) = 0x7935; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); strzcpy(auth_dat[i].pass, MD5_saltcrypt(static_cast(RFIFOP(fd, 26)), make_salt()), 40); WFIFOL(fd, 2) = auth_dat[i].account_id; LOGIN_LOG("'ladmin': Modification of a password (account: %s, new password: %s, ip: %s)\n", auth_dat[i].userid, auth_dat[i].pass, ip); } else { memcpy(WFIFOP(fd, 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(fd, 30); RFIFOSKIP(fd, 50); break; case 0x7936: // Request to modify a state if (RFIFOREST(fd) < 50) return; { char error_message[20]; int statut; WFIFOW(fd, 0) = 0x7937; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); statut = RFIFOL(fd, 26); strzcpy(error_message, static_cast(RFIFOP(fd, 30)), 20); remove_control_chars(error_message); if (statut != 7 || error_message[0] == '\0') { // 7: // 6 = Your are Prohibited to log in until %s strcpy(error_message, "-"); } i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); WFIFOL(fd, 2) = auth_dat[i].account_id; if (auth_dat[i].state == statut && strcmp(auth_dat[i].error_message, error_message) == 0) 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", auth_dat[i].userid, statut, error_message, ip); else LOGIN_LOG("'ladmin': Modification of a state (account: %s, new state: %d, ip: %s)\n", auth_dat[i].userid, statut, ip); if (auth_dat[i].state == 0) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = auth_dat[i].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(-1, buf, 11); for (j = 0; j < AUTH_FIFO_SIZE; j++) if (auth_fifo[j].account_id == auth_dat[i].account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } auth_dat[i].state = statut; memcpy(auth_dat[i].error_message, error_message, 20); } } else { memcpy(WFIFOP(fd, 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(fd, 30) = statut; } WFIFOSET(fd, 34); RFIFOSKIP(fd, 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 (i = 0; i < MAX_SERVERS; i++) { if (server_fd[i] >= 0) { WFIFOL(fd, 4 + server_num * 32) = server[i].ip; WFIFOW(fd, 4 + server_num * 32 + 4) = server[i].port; memcpy(WFIFOP(fd, 4 + server_num * 32 + 6), server[i].name, 20); WFIFOW(fd, 4 + server_num * 32 + 26) = server[i].users; WFIFOW(fd, 4 + server_num * 32 + 28) = server[i].maintenance; WFIFOW(fd, 4 + server_num * 32 + 30) = server[i].is_new; server_num++; } } WFIFOW(fd, 0) = 0x7939; WFIFOW(fd, 2) = 4 + 32 * server_num; WFIFOSET(fd, 4 + 32 * server_num); RFIFOSKIP(fd, 2); break; case 0x793a: // Request to password check if (RFIFOREST(fd) < 50) return; WFIFOW(fd, 0) = 0x793b; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); char pass[24]; strzcpy(pass, static_cast(RFIFOP(fd, 26)), 24); if (pass_ok(pass, auth_dat[i].pass)) { WFIFOL(fd, 2) = auth_dat[i].account_id; LOGIN_LOG("'ladmin': Check of password OK (account: %s, password: %s, ip: %s)\n", auth_dat[i].userid, auth_dat[i].pass, ip); } else { remove_control_chars(pass); LOGIN_LOG("'ladmin': Failure of password check (account: %s, proposed pass: %s, ip: %s)\n", auth_dat[i].userid, pass, ip); } } else { memcpy(WFIFOP(fd, 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(fd, 30); RFIFOSKIP(fd, 50); break; case 0x793c: // Request to modify sex if (RFIFOREST(fd) < 27) return; WFIFOW(fd, 0) = 0x793d; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); memcpy(WFIFOP(fd, 6), account_name, 24); { char sex; sex = RFIFOB(fd, 26); if (sex != 'F' && sex != 'M') { if (sex > 31) LOGIN_LOG("'ladmin': Attempt to give an invalid sex (account: %s, received sex: %c, ip: %s)\n", account_name, sex, ip); else LOGIN_LOG("'ladmin': Attempt to give an invalid sex (account: %s, received sex: 'control char', ip: %s)\n", account_name, ip); } else { i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); if (auth_dat[i].sex != ((sex == 'S' || sex == 's') ? 2 : (sex == 'M' || sex == 'm'))) { unsigned char buf[16]; WFIFOL(fd, 2) = auth_dat[i].account_id; for (j = 0; j < AUTH_FIFO_SIZE; j++) if (auth_fifo[j].account_id == auth_dat[i].account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) auth_dat[i].sex = (sex == 'S' || sex == 's') ? 2 : (sex == 'M' || sex == 'm'); LOGIN_LOG("'ladmin': Modification of a sex (account: %s, new sex: %c, ip: %s)\n", auth_dat[i].userid, sex, ip); // send to all char-server the change WBUFW(buf, 0) = 0x2723; WBUFL(buf, 2) = auth_dat[i].account_id; WBUFB(buf, 6) = auth_dat[i].sex; charif_sendallwos(-1, 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", auth_dat[i].userid, 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, ip); } } } WFIFOSET(fd, 30); RFIFOSKIP(fd, 27); break; case 0x793e: // Request to modify GM level if (RFIFOREST(fd) < 27) return; WFIFOW(fd, 0) = 0x793f; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); memcpy(WFIFOP(fd, 6), account_name, 24); { char new_gm_level; new_gm_level = RFIFOB(fd, 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, (int) new_gm_level, ip); } else { i = search_account_index(account_name); if (i != -1) { int acc = auth_dat[i].account_id; memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); if (isGM(acc) != new_gm_level) { // modification of the file FILE *fp, *fp2; int lock; char line[512]; int GM_account, GM_level; int modify_flag; if ((fp2 = lock_fopen(GM_account_filename, &lock)) != NULL) { if ((fp = fopen_(GM_account_filename, "r")) != NULL) { timestamp_seconds_buffer tmpstr; stamp_time(tmpstr); modify_flag = 0; // read/write GM file while (fgets(line, sizeof(line) - 1, fp)) { while (line[0] != '\0' && (line[strlen(line) - 1] == '\n' || line[strlen(line) - 1] == '\r')) line[strlen(line) - 1] = '\0'; if ((line[0] == '/' && line[1] == '/') || line[0] == '\0') FPRINTF(fp2, "%s\n", line); else { if (sscanf(line, "%d %d", &GM_account, &GM_level) != 2 && sscanf(line, "%d: %d", &GM_account, &GM_level) != 2) FPRINTF(fp2, "%s\n", line); else if (GM_account != acc) FPRINTF(fp2, "%s\n", line); else if (new_gm_level < 1) { FPRINTF(fp2, "// %s: 'ladmin' GM level removed on account %d '%s' (previous level: %d)\n//%d %d\n", tmpstr, acc, auth_dat[i].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, auth_dat[i].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, auth_dat[i].userid, acc, new_gm_level); fclose_(fp); } 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", auth_dat[i].userid, acc, (int) new_gm_level, ip); } lock_fclose(fp2, GM_account_filename, &lock); WFIFOL(fd, 2) = acc; LOGIN_LOG("'ladmin': Modification of a GM level (account: %s (%d), new GM level: %d, ip: %s)\n", auth_dat[i].userid, acc, (int) new_gm_level, ip); // read and send new GM informations read_gm_account(); send_GM_accounts(); } 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", auth_dat[i].userid, acc, (int) 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", auth_dat[i].userid, acc, (int) 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, (int) new_gm_level, ip); } } } WFIFOSET(fd, 30); RFIFOSKIP(fd, 27); break; case 0x7940: // Request to modify e-mail if (RFIFOREST(fd) < 66) return; WFIFOW(fd, 0) = 0x7941; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); memcpy(WFIFOP(fd, 6), account_name, 24); { char email[40]; strzcpy(email, static_cast(RFIFOP(fd, 26)), 40); if (e_mail_check(email) == 0) { LOGIN_LOG("'ladmin': Attempt to give an invalid e-mail (account: %s, ip: %s)\n", account_name, ip); } else { remove_control_chars(email); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); memcpy(auth_dat[i].email, email, 40); WFIFOL(fd, 2) = auth_dat[i].account_id; LOGIN_LOG("'ladmin': Modification of an email (account: %s, new e-mail: %s, ip: %s)\n", auth_dat[i].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(fd, 30); RFIFOSKIP(fd, 66); break; case 0x7942: // Request to modify memo field if (RFIFOREST(fd) < 28 || RFIFOREST(fd) < (28 + RFIFOW(fd, 26))) return; WFIFOW(fd, 0) = 0x7943; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { int size_of_memo = sizeof(auth_dat[i].memo); memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); memset(auth_dat[i].memo, '\0', size_of_memo); if (RFIFOW(fd, 26) == 0) { strncpy(auth_dat[i].memo, "!", size_of_memo); } else if (RFIFOW(fd, 26) > size_of_memo - 1) { memcpy(auth_dat[i].memo, RFIFOP(fd, 28), size_of_memo - 1); } else { memcpy(auth_dat[i].memo, RFIFOP(fd, 28), RFIFOW(fd, 26)); } auth_dat[i].memo[size_of_memo - 1] = '\0'; remove_control_chars(auth_dat[i].memo); WFIFOL(fd, 2) = auth_dat[i].account_id; LOGIN_LOG("'ladmin': Modification of a memo field (account: %s, new memo: %s, ip: %s)\n", auth_dat[i].userid, auth_dat[i].memo, ip); } else { memcpy(WFIFOP(fd, 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(fd, 30); RFIFOSKIP(fd, 28 + RFIFOW(fd, 26)); break; case 0x7944: // Request to found an account id if (RFIFOREST(fd) < 26) return; WFIFOW(fd, 0) = 0x7945; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); WFIFOL(fd, 2) = auth_dat[i].account_id; LOGIN_LOG("'ladmin': Request (by the name) of an account id (account: %s, id: %d, ip: %s)\n", auth_dat[i].userid, auth_dat[i].account_id, ip); } else { memcpy(WFIFOP(fd, 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(fd, 30); RFIFOSKIP(fd, 26); break; case 0x7946: // Request to found an account name if (RFIFOREST(fd) < 6) return; WFIFOW(fd, 0) = 0x7947; WFIFOL(fd, 2) = RFIFOL(fd, 2); memset(WFIFOP(fd, 6), '\0', 24); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == RFIFOL(fd, 2)) { strncpy((char *)WFIFOP(fd, 6), auth_dat[i].userid, 24); LOGIN_LOG("'ladmin': Request (by id) of an account name (account: %s, id: %d, ip: %s)\n", auth_dat[i].userid, RFIFOL(fd, 2), ip); break; } } if (i == auth_num) { LOGIN_LOG("'ladmin': Name request (by id) of an unknown account (id: %d, ip: %s)\n", RFIFOL(fd, 2), ip); strncpy((char *)WFIFOP(fd, 6), "", 24); } WFIFOSET(fd, 30); RFIFOSKIP(fd, 6); break; case 0x7948: // Request to change the validity limit (timestamp) (absolute value) if (RFIFOREST(fd) < 30) return; { WFIFOW(fd, 0) = 0x7949; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); TimeT timestamp = static_cast(RFIFOL(fd, 26)); timestamp_seconds_buffer tmpstr = "unlimited"; if (timestamp) stamp_time(tmpstr, ×tamp); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); LOGIN_LOG("'ladmin': Change of a validity limit (account: %s, new validity: %lld (%s), ip: %s)\n", auth_dat[i].userid, timestamp, tmpstr, ip); auth_dat[i].connect_until_time = timestamp; WFIFOL(fd, 2) = auth_dat[i].account_id; } else { memcpy(WFIFOP(fd, 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(fd, 30) = static_cast(timestamp); } WFIFOSET(fd, 34); RFIFOSKIP(fd, 30); break; case 0x794a: // Request to change the final date of a banishment (timestamp) (absolute value) if (RFIFOREST(fd) < 30) return; { WFIFOW(fd, 0) = 0x794b; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); TimeT timestamp = static_cast(RFIFOL(fd, 26)); if (timestamp <= TimeT::now()) timestamp = TimeT(); timestamp_seconds_buffer tmpstr = "no banishment"; if (timestamp) stamp_time(tmpstr, ×tamp); i = search_account_index(account_name); if (i != -1) { memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); WFIFOL(fd, 2) = auth_dat[i].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", auth_dat[i].userid, timestamp, tmpstr, ip); if (auth_dat[i].ban_until_time != timestamp) { if (timestamp) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = auth_dat[i].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(-1, buf, 11); for (j = 0; j < AUTH_FIFO_SIZE; j++) if (auth_fifo[j].account_id == auth_dat[i].account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } auth_dat[i].ban_until_time = timestamp; } } else { memcpy(WFIFOP(fd, 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(fd, 30) = static_cast(timestamp); } WFIFOSET(fd, 34); RFIFOSKIP(fd, 30); break; case 0x794c: // Request to change the final date of a banishment (timestamp) (relative change) if (RFIFOREST(fd) < 38) return; { WFIFOW(fd, 0) = 0x794d; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { WFIFOL(fd, 2) = auth_dat[i].account_id; memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); TimeT timestamp; TimeT now = TimeT::now(); if (!auth_dat[i].ban_until_time || auth_dat[i].ban_until_time < now) timestamp = now; else timestamp = auth_dat[i].ban_until_time; struct tm tmtime = timestamp; tmtime.tm_year += (short) RFIFOW(fd, 26); tmtime.tm_mon += (short) RFIFOW(fd, 28); tmtime.tm_mday += (short) RFIFOW(fd, 30); tmtime.tm_hour += (short) RFIFOW(fd, 32); tmtime.tm_min += (short) RFIFOW(fd, 34); tmtime.tm_sec += (short) RFIFOW(fd, 36); timestamp = tmtime; if (timestamp.okay()) { if (timestamp <= now) timestamp = TimeT(); timestamp_seconds_buffer tmpstr = "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", auth_dat[i].userid, (short) RFIFOW(fd, 26), (short) RFIFOW(fd, 28), (short) RFIFOW(fd, 30), (short) RFIFOW(fd, 32), (short) RFIFOW(fd, 34), (short) RFIFOW(fd, 36), timestamp, tmpstr, ip); if (auth_dat[i].ban_until_time != timestamp) { if (timestamp) { unsigned char buf[16]; WBUFW(buf, 0) = 0x2731; WBUFL(buf, 2) = auth_dat[i].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(-1, buf, 11); for (j = 0; j < AUTH_FIFO_SIZE; j++) if (auth_fifo[j].account_id == auth_dat[i].account_id) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentification) } auth_dat[i].ban_until_time = timestamp; } } else { timestamp_seconds_buffer tmpstr = "no banishment"; if (auth_dat[i].ban_until_time) stamp_time(tmpstr, &auth_dat[i].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", auth_dat[i].userid, auth_dat[i].ban_until_time, tmpstr, (short) RFIFOW(fd, 26), (short) RFIFOW(fd, 28), (short) RFIFOW(fd, 30), (short) RFIFOW(fd, 32), (short) RFIFOW(fd, 34), (short) RFIFOW(fd, 36), ip); } WFIFOL(fd, 30) = static_cast(auth_dat[i].ban_until_time); } else { memcpy(WFIFOP(fd, 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(fd, 30) = 0; } } WFIFOSET(fd, 34); RFIFOSKIP(fd, 38); break; case 0x794e: // Request to send a broadcast message if (RFIFOREST(fd) < 8 || RFIFOREST(fd) < (8 + RFIFOL(fd, 4))) return; WFIFOW(fd, 0) = 0x794f; WFIFOW(fd, 2) = -1; if (RFIFOL(fd, 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 (i = 0; i < MAX_SERVERS; i++) if (server_fd[i] >= 0) break; if (i == MAX_SERVERS) { LOGIN_LOG("'ladmin': Receiving a message for broadcast, but no char-server is online (ip: %s)\n", ip); } else { uint8_t buf[32000]; char message[32000]; WFIFOW(fd, 2) = 0; memset(message, '\0', sizeof(message)); memcpy(message, RFIFOP(fd, 8), RFIFOL(fd, 4)); message[sizeof(message) - 1] = '\0'; remove_control_chars(message); if (RFIFOW(fd, 2) == 0) LOGIN_LOG("'ladmin': Receiving a message for broadcast (message (in yellow): %s, ip: %s)\n", message, ip); else LOGIN_LOG("'ladmin': Receiving a message for broadcast (message (in blue): %s, ip: %s)\n", message, ip); // send same message to all char-servers (no answer) memcpy(WBUFP(buf, 0), RFIFOP(fd, 0), 8 + RFIFOL(fd, 4)); WBUFW(buf, 0) = 0x2726; charif_sendallwos(-1, buf, 8 + RFIFOL(fd, 4)); } } WFIFOSET(fd, 4); RFIFOSKIP(fd, 8 + RFIFOL(fd, 4)); break; case 0x7950: // Request to change the validity limite (timestamp) (relative change) if (RFIFOREST(fd) < 38) return; { WFIFOW(fd, 0) = 0x7951; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { WFIFOL(fd, 2) = auth_dat[i].account_id; memcpy(WFIFOP(fd, 6), auth_dat[i].userid, 24); if (add_to_unlimited_account == 0 && !auth_dat[i].connect_until_time) { LOGIN_LOG("'ladmin': Attempt to adjust the validity limit of an unlimited account (account: %s, ip: %s)\n", auth_dat[i].userid, ip); WFIFOL(fd, 30) = 0; } else { TimeT now = TimeT::now(); TimeT timestamp; if (!timestamp || timestamp < now) timestamp = now; struct tm tmtime = timestamp; tmtime.tm_year += (short) RFIFOW(fd, 26); tmtime.tm_mon += (short) RFIFOW(fd, 28); tmtime.tm_mday += (short) RFIFOW(fd, 30); tmtime.tm_hour += (short) RFIFOW(fd, 32); tmtime.tm_min += (short) RFIFOW(fd, 34); tmtime.tm_sec += (short) RFIFOW(fd, 36); timestamp = tmtime; if (timestamp.okay()) { timestamp_seconds_buffer tmpstr = "unlimited"; timestamp_seconds_buffer tmpstr2 = "unlimited"; if (auth_dat[i].connect_until_time) stamp_time(tmpstr, &auth_dat[i].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", auth_dat[i].userid, auth_dat[i].connect_until_time, tmpstr, (short) RFIFOW(fd, 26), (short) RFIFOW(fd, 28), (short) RFIFOW(fd, 30), (short) RFIFOW(fd, 32), (short) RFIFOW(fd, 34), (short) RFIFOW(fd, 36), timestamp, tmpstr2, ip); auth_dat[i].connect_until_time = timestamp; WFIFOL(fd, 30) = static_cast(timestamp); } else { timestamp_seconds_buffer tmpstr = "unlimited"; if (auth_dat[i].connect_until_time) stamp_time(tmpstr, &auth_dat[i].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", auth_dat[i].userid, auth_dat[i].connect_until_time, tmpstr, (short) RFIFOW(fd, 26), (short) RFIFOW(fd, 28), (short) RFIFOW(fd, 30), (short) RFIFOW(fd, 32), (short) RFIFOW(fd, 34), (short) RFIFOW(fd, 36), ip); WFIFOL(fd, 30) = 0; } } } else { memcpy(WFIFOP(fd, 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(fd, 30) = 0; } } WFIFOSET(fd, 34); RFIFOSKIP(fd, 38); break; case 0x7952: // Request about informations of an account (by account name) if (RFIFOREST(fd) < 26) return; WFIFOW(fd, 0) = 0x7953; WFIFOL(fd, 2) = -1; strzcpy(account_name, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account_name); i = search_account_index(account_name); if (i != -1) { WFIFOL(fd, 2) = auth_dat[i].account_id; WFIFOB(fd, 6) = (unsigned char) isGM(auth_dat[i].account_id); memcpy(WFIFOP(fd, 7), auth_dat[i].userid, 24); WFIFOB(fd, 31) = auth_dat[i].sex; WFIFOL(fd, 32) = auth_dat[i].logincount; WFIFOL(fd, 36) = auth_dat[i].state; memcpy(WFIFOP(fd, 40), auth_dat[i].error_message, 20); memcpy(WFIFOP(fd, 60), auth_dat[i].lastlogin, 24); memcpy(WFIFOP(fd, 84), auth_dat[i].last_ip, 16); memcpy(WFIFOP(fd, 100), auth_dat[i].email, 40); WFIFOL(fd, 140) = static_cast(auth_dat[i].connect_until_time); WFIFOL(fd, 144) = static_cast(auth_dat[i].ban_until_time); WFIFOW(fd, 148) = strlen(auth_dat[i].memo); if (auth_dat[i].memo[0]) { memcpy(WFIFOP(fd, 150), auth_dat[i].memo, strlen(auth_dat[i].memo)); } LOGIN_LOG("'ladmin': Sending information of an account (request by the name; account: %s, id: %d, ip: %s)\n", auth_dat[i].userid, auth_dat[i].account_id, ip); WFIFOSET(fd, 150 + strlen(auth_dat[i].memo)); } else { memcpy(WFIFOP(fd, 7), account_name, 24); WFIFOW(fd, 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(fd, 150); } RFIFOSKIP(fd, 26); break; case 0x7954: // Request about information of an account (by account id) if (RFIFOREST(fd) < 6) return; WFIFOW(fd, 0) = 0x7953; WFIFOL(fd, 2) = RFIFOL(fd, 2); memset(WFIFOP(fd, 7), '\0', 24); for (i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == RFIFOL(fd, 2)) { LOGIN_LOG("'ladmin': Sending information of an account (request by the id; account: %s, id: %d, ip: %s)\n", auth_dat[i].userid, RFIFOL(fd, 2), ip); WFIFOB(fd, 6) = (unsigned char) isGM(auth_dat[i].account_id); memcpy(WFIFOP(fd, 7), auth_dat[i].userid, 24); WFIFOB(fd, 31) = auth_dat[i].sex; WFIFOL(fd, 32) = auth_dat[i].logincount; WFIFOL(fd, 36) = auth_dat[i].state; memcpy(WFIFOP(fd, 40), auth_dat[i].error_message, 20); memcpy(WFIFOP(fd, 60), auth_dat[i].lastlogin, 24); memcpy(WFIFOP(fd, 84), auth_dat[i].last_ip, 16); memcpy(WFIFOP(fd, 100), auth_dat[i].email, 40); WFIFOL(fd, 140) = static_cast(auth_dat[i].connect_until_time); WFIFOL(fd, 144) = static_cast(auth_dat[i].ban_until_time); WFIFOW(fd, 148) = strlen(auth_dat[i].memo); if (auth_dat[i].memo[0]) { memcpy(WFIFOP(fd, 150), auth_dat[i].memo, strlen(auth_dat[i].memo)); } WFIFOSET(fd, 150 + strlen(auth_dat[i].memo)); break; } } if (i == auth_num) { LOGIN_LOG("'ladmin': Attempt to obtain information (by the id) of an unknown account (id: %d, ip: %s)\n", RFIFOL(fd, 2), ip); strncpy((char *)WFIFOP(fd, 7), "", 24); WFIFOW(fd, 148) = 0; WFIFOSET(fd, 150); } RFIFOSKIP(fd, 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(fd, 2); break; default: { FILE *logfp; logfp = fopen_(login_log_unknown_packets_filename, "a"); if (logfp) { timestamp_milliseconds_buffer tmpstr; FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n", tmpstr); FPRINTF(logfp, "parse_admin: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", fd, ip, RFIFOW(fd, 0), RFIFOREST(fd)); 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"); memset(tmpstr, '\0', sizeof(tmpstr)); for (i = 0; i < RFIFOREST(fd); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB (fd, i)); if (RFIFOB(fd, i) > 0x1f) tmpstr[i % 16] = RFIFOB(fd, 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); memset(tmpstr, '\0', sizeof(tmpstr)); } } 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"); fclose_(logfp); } } LOGIN_LOG("'ladmin': End of connection, unknown packet (ip: %s)\n", ip); session[fd]->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. //-------------------------------------------- // TODO fix to not take a ptr-to-uint8_t static int lan_ip_check(unsigned char *p) { int i; int lancheck = 1; // PRINTF("lan_ip_check: to compare: %d.%d.%d.%d, network: %d.%d.%d.%d/%d.%d.%d.%d\n", // p[0], p[1], p[2], p[3], // subneti[0], subneti[1], subneti[2], subneti[3], // subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]); for (i = 0; i < 4; i++) { if ((subneti[i] & subnetmaski[i]) != (p[i] & subnetmaski[i])) { lancheck = 0; break; } } PRINTF("LAN test (result): %s source\033[0m.\n", (lancheck) ? "\033[1;36mLAN" : "\033[1;32mWAN"); return lancheck; } //---------------------------------------------------------------------------------------- // Default packet parsing (normal players or administation/char-server connexion requests) //---------------------------------------------------------------------------------------- static void parse_login(int fd) { struct mmo_account account; int result, j; unsigned char *p = (unsigned char *) &session[fd]->client_addr.sin_addr; int host_len; const char *ip = ip2str(session[fd]->client_addr.sin_addr); if (session[fd]->eof) { delete_session(fd); return; } while (RFIFOREST(fd) >= 2) { if (display_parse_login == 1) { if (RFIFOW(fd, 0) == 0x64 || RFIFOW(fd, 0) == 0x01dd) { if (RFIFOREST(fd) >= ((RFIFOW(fd, 0) == 0x64) ? 55 : 47)) PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), account: %s.\n", fd, RFIFOW(fd, 0), RFIFOREST(fd), static_cast(RFIFOP(fd, 6))); } else if (RFIFOW(fd, 0) == 0x2710) { if (RFIFOREST(fd) >= 86) PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu), server: %s.\n", fd, RFIFOW(fd, 0), RFIFOREST(fd), static_cast(RFIFOP(fd, 60))); } else PRINTF("parse_login: connection #%d, packet: 0x%x (with being read: %zu).\n", fd, RFIFOW(fd, 0), RFIFOREST(fd)); } switch (RFIFOW(fd, 0)) { case 0x200: // New alive packet: structure: 0x200 .24B. used to verify if client is always alive. if (RFIFOREST(fd) < 26) return; RFIFOSKIP(fd, 26); break; case 0x204: // New alive packet: structure: 0x204 .16B. (new ragexe from 22 june 2004) if (RFIFOREST(fd) < 18) return; RFIFOSKIP(fd, 18); break; case 0x64: // Ask connection of a client if (RFIFOREST(fd) < 55) return; strzcpy(account.userid, static_cast(RFIFOP(fd, 6)), 24); remove_control_chars(account.userid); strzcpy(account.passwd, static_cast(RFIFOP(fd, 30)), 24); remove_control_chars(account.passwd); account.passwdenc = 0; LOGIN_LOG("Request for connection (non encryption mode) of %s (ip: %s).\n", account.userid, ip); if (!check_ip(session[fd]->client_addr.sin_addr)) { LOGIN_LOG("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n", ip); WFIFOW(fd, 0) = 0x6a; WFIFOB(fd, 2) = 0x03; WFIFOSET(fd, 3); RFIFOSKIP(fd, 55); break; } result = mmo_auth(&account, fd); if (result == -1) { VERSION_2 version_2 = static_cast(RFIFOB(fd, 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(fd, 0) = 0x81; WFIFOL(fd, 2) = 1; // 01 = Server closed WFIFOSET(fd, 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) { host_len = (int) strlen(update_host); if (host_len > 0) { WFIFOW(fd, 0) = 0x63; WFIFOW(fd, 2) = 4 + host_len; memcpy(WFIFOP(fd, 4), update_host, host_len); WFIFOSET(fd, 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_fd[i] >= 0) { if (lan_ip_check(p)) WFIFOL(fd, 47 + server_num * 32) = inet_addr(lan_char_ip); else WFIFOL(fd, 47 + server_num * 32) = server[i].ip; WFIFOW(fd, 47 + server_num * 32 + 4) = server[i].port; memcpy(WFIFOP(fd, 47 + server_num * 32 + 6), server[i].name, 20); WFIFOW(fd, 47 + server_num * 32 + 26) = server[i].users; WFIFOW(fd, 47 + server_num * 32 + 28) = server[i].maintenance; WFIFOW(fd, 47 + server_num * 32 + 30) = server[i].is_new; server_num++; } } // if at least 1 char-server if (server_num > 0) { WFIFOW(fd, 0) = 0x69; WFIFOW(fd, 2) = 47 + 32 * server_num; WFIFOL(fd, 4) = account.login_id1; WFIFOL(fd, 8) = account.account_id; WFIFOL(fd, 12) = account.login_id2; WFIFOL(fd, 16) = 0; // in old version, that was for ip (not more used) memcpy(WFIFOP(fd, 20), account.lastlogin, 24); // in old version, that was for name (not more used) WFIFOB(fd, 46) = account.sex; WFIFOSET(fd, 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 = session[fd]->client_addr.sin_addr.s_addr; 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(fd, 0) = 0x81; WFIFOL(fd, 2) = 1; // 01 = Server closed WFIFOSET(fd, 3); } } } else { memset(WFIFOP(fd, 0), '\0', 23); WFIFOW(fd, 0) = 0x6a; WFIFOB(fd, 2) = result; if (result == 6) { // 6 = Your are Prohibited to log in until %s int i = search_account_index(account.userid); if (i != -1) { if (auth_dat[i].ban_until_time) { // if account is banned, we send ban timestamp timestamp_seconds_buffer tmpstr; stamp_time(tmpstr, &auth_dat[i].ban_until_time); memcpy(WFIFOP(fd, 3), tmpstr, 20); } else { // we send error message memcpy(WFIFOP(fd, 3), auth_dat[i].error_message, 20); } } } WFIFOSET(fd, 23); } RFIFOSKIP(fd, (RFIFOW(fd, 0) == 0x64) ? 55 : 47); break; case 0x01db: // Sending request of the coding key case 0x791a: // Sending request of the coding key (administration packet) { struct login_session_data *ld; if (session[fd]->session_data) { PRINTF("login: abnormal request of MD5 key (already opened session).\n"); session[fd]->eof = 1; return; } CREATE(ld, struct login_session_data, 1); session[fd]->session_data = ld; if (!ld) { PRINTF("login: Request for md5 key: memory allocation failure (malloc)!\n"); session[fd]->eof = 1; return; } if (RFIFOW(fd, 0) == 0x01db) { LOGIN_LOG("Sending request of the coding key (ip: %s)\n", ip); } else { LOGIN_LOG("'ladmin': Sending request of the coding key (ip: %s)\n", ip); } // TODO fix or get rid of this // Creation of the coding key memset(ld->md5key, '\0', sizeof(ld->md5key)); ld->md5keylen = random_::in(12, 15); for (int i = 0; i < ld->md5keylen; i++) ld->md5key[i] = random_::in(1, 255); RFIFOSKIP(fd, 2); WFIFOW(fd, 0) = 0x01dc; WFIFOW(fd, 2) = 4 + ld->md5keylen; memcpy(WFIFOP(fd, 4), ld->md5key, ld->md5keylen); WFIFOSET(fd, WFIFOW(fd, 2)); } break; case 0x2710: // Connection request of a char-server if (RFIFOREST(fd) < 86) return; { int GM_value, len; char server_name[20]; strzcpy(account.userid, static_cast(RFIFOP(fd, 2)), 24); remove_control_chars(account.userid); strzcpy(account.passwd, static_cast(RFIFOP(fd, 26)), 24); remove_control_chars(account.passwd); account.passwdenc = 0; strzcpy(server_name, static_cast(RFIFOP(fd, 60)), 20); remove_control_chars(server_name); LOGIN_LOG("Connection request of the char-server '%s' @ %d.%d.%d.%d:%d (ip: %s)\n", server_name, RFIFOB(fd, 54), RFIFOB(fd, 55), RFIFOB(fd, 56), RFIFOB(fd, 57), RFIFOW(fd, 58), ip); result = mmo_auth(&account, fd); if (result == -1 && account.sex == 2) { // If this is the main server, and we don't already have a main server if (server_fd[0] <= 0 && strcasecmp(server_name, main_server) == 0) { account.account_id = 0; } else { int i; for (i = 1; i < MAX_SERVERS; i++) { if (server_fd[i] <= 0) { account.account_id = i; break; } } } } if (result == -1 && account.sex == 2 && account.account_id < MAX_SERVERS && server_fd[account.account_id] == -1) { 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); memset(&server[account.account_id], 0, sizeof(struct mmo_char_server)); server[account.account_id].ip = RFIFOL(fd, 54); server[account.account_id].port = RFIFOW(fd, 58); memcpy(server[account.account_id].name, server_name, 20); server[account.account_id].users = 0; server[account.account_id].maintenance = RFIFOW(fd, 82); server[account.account_id].is_new = RFIFOW(fd, 84); server_fd[account.account_id] = fd; if (anti_freeze_enable) server_freezeflag[account.account_id] = 5; // Char-server anti-freeze system. Counter. 5 ok, 4...0 freezed WFIFOW(fd, 0) = 0x2711; WFIFOB(fd, 2) = 0; WFIFOSET(fd, 3); session[fd]->func_parse = parse_fromchar; realloc_fifo(fd, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK); // send GM account to char-server len = 4; WFIFOW(fd, 0) = 0x2732; for (int i = 0; i < auth_num; i++) // send only existing accounts. We can not create a GM account when server is online. if ((GM_value = isGM(auth_dat[i].account_id)) > 0) { WFIFOL(fd, len) = auth_dat[i].account_id; WFIFOB(fd, len + 4) = (unsigned char) GM_value; len += 5; } WFIFOW(fd, 2) = len; WFIFOSET(fd, len); } else { LOGIN_LOG("Connexion of the char-server '%s' REFUSED (account: %s, pass: %s, ip: %s)\n", server_name, account.userid, account.passwd, ip); WFIFOW(fd, 0) = 0x2711; WFIFOB(fd, 2) = 3; WFIFOSET(fd, 3); } } RFIFOSKIP(fd, 86); return; case 0x7530: // Request of the server version LOGIN_LOG("Sending of the server version (ip: %s)\n", ip); WFIFOW(fd, 0) = 0x7531; WFIFOB(fd, 2) = -1; WFIFOB(fd, 3) = 'T'; WFIFOB(fd, 4) = 'M'; WFIFOB(fd, 5) = 'W'; WFIFOL(fd, 6) = new_account_flag ? 1 : 0; WFIFOSET(fd, 10); RFIFOSKIP(fd, 2); break; case 0x7532: // Request to end connection LOGIN_LOG("End of connection (ip: %s)\n", ip); session[fd]->eof = 1; return; case 0x7918: // Request for administation login if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < ((RFIFOW(fd, 2) == 0) ? 28 : 20)) return; WFIFOW(fd, 0) = 0x7919; WFIFOB(fd, 2) = 1; if (!check_ladminip(session[fd]->client_addr.sin_addr)) { LOGIN_LOG("'ladmin'-login: Connection in administration mode refused: IP isn't authorised (ladmin_allow, ip: %s).\n", ip); } else { struct login_session_data *ld = (struct login_session_data *)session[fd]->session_data; if (RFIFOW(fd, 2) == 0) { // non encrypted password char password[24]; strzcpy(password, static_cast(RFIFOP(fd, 4)), 24); remove_control_chars(password); // If remote administration is enabled and password sent by client matches password read from login server configuration file if ((admin_state == 1) && (strcmp(password, admin_pass) == 0)) { 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(fd, 2) = 0; session[fd]->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 if (!ld) PRINTF("'ladmin'-login: error! MD5 key not created/requested for an administration login.\n"); else { char md5str[64] = ""; uint8_t md5bin[32]; if (RFIFOW(fd, 2) == 1) { strncpy(md5str, ld->md5key, sizeof(ld->md5key)); // 20 strcat(md5str, admin_pass); // 24 } else if (RFIFOW(fd, 2) == 2) { strncpy(md5str, admin_pass, sizeof(admin_pass)); // 24 strcat(md5str, ld->md5key); // 20 } MD5_to_bin(MD5_from_cstring(md5str), md5bin); // If remote administration is enabled and password hash sent by client matches hash of password read from login server configuration file if ((admin_state == 1) && (memcmp(md5bin, RFIFOP(fd, 4), 16) == 0)) { LOGIN_LOG("'ladmin'-login: Connection in administration mode accepted (encrypted password, ip: %s)\n", ip); PRINTF("Connection of a remote administration accepted (encrypted password).\n"); WFIFOB(fd, 2) = 0; session[fd]->func_parse = parse_admin; } else if (admin_state != 1) LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (encrypted password, ip: %s)\n", ip); else LOGIN_LOG("'ladmin'-login: Connection in administration mode REFUSED - invalid password (encrypted password, ip: %s)\n", ip); } } } WFIFOSET(fd, 3); RFIFOSKIP(fd, (RFIFOW(fd, 2) == 0) ? 28 : 20); break; default: if (save_unknown_packets) { FILE *logfp; logfp = fopen_(login_log_unknown_packets_filename, "a"); if (logfp) { timestamp_milliseconds_buffer tmpstr; stamp_time(tmpstr); FPRINTF(logfp, "%s: receiving of an unknown packet -> disconnection\n", tmpstr); FPRINTF(logfp, "parse_login: connection #%d (ip: %s), packet: 0x%x (with being read: %zu).\n", fd, ip, RFIFOW(fd, 0), RFIFOREST(fd)); 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"); memset(tmpstr, '\0', sizeof(tmpstr)); int i; for (i = 0; i < RFIFOREST(fd); i++) { if ((i & 15) == 0) FPRINTF(logfp, "%04X ", i); FPRINTF(logfp, "%02x ", RFIFOB(fd, i)); if (RFIFOB(fd, i) > 0x1f) tmpstr[i % 16] = RFIFOB(fd, 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); memset(tmpstr, '\0', sizeof(tmpstr)); } } 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"); fclose_(logfp); } } LOGIN_LOG("End of connection, unknown packet (ip: %s)\n", ip); session[fd]->eof = 1; return; } } return; } //---------------------------------- // Reading Lan Support configuration //---------------------------------- static int login_lan_config_read(const char *lancfgName) { struct hostent *h = NULL; // set default configuration strncpy(lan_char_ip, "127.0.0.1", sizeof(lan_char_ip)); subneti[0] = 127; subneti[1] = 0; subneti[2] = 0; subneti[3] = 1; for (int j = 0; j < 4; j++) subnetmaski[j] = 255; std::ifstream in(lancfgName); if (!in.is_open()) { PRINTF("***WARNING: LAN Support configuration file is not found: %s\n", lancfgName); return 1; } PRINTF("---Start reading Lan Support configuration file\n"); std::string line; while (std::getline(in, line)) { std::string w1, w2; if (!split_key_value(line, &w1, &w2)) continue; if (w1 == "lan_char_ip") { // Read Char-Server Lan IP Address h = gethostbyname(w2.c_str()); if (h != NULL) { sprintf(lan_char_ip, "%d.%d.%d.%d", (unsigned char) h->h_addr[0], (unsigned char) h->h_addr[1], (unsigned char) h->h_addr[2], (unsigned char) h->h_addr[3]); } else { strzcpy(lan_char_ip, w2.c_str(), sizeof(lan_char_ip)); } PRINTF("LAN IP of char-server: %s.\n", lan_char_ip); } else if (w1 == "subnet") { // Read Subnetwork for (int j = 0; j < 4; j++) subneti[j] = 0; h = gethostbyname(w2.c_str()); if (h != NULL) { for (int j = 0; j < 4; j++) subneti[j] = (unsigned char) h->h_addr[j]; } else { SSCANF(w2, "%d.%d.%d.%d", &subneti[0], &subneti[1], &subneti[2], &subneti[3]); } PRINTF("Sub-network of the char-server: %d.%d.%d.%d.\n", subneti[0], subneti[1], subneti[2], subneti[3]); } else if (w1 == "subnetmask") { // Read Subnetwork Mask for (int j = 0; j < 4; j++) subnetmaski[j] = 255; h = gethostbyname(w2.c_str()); if (h != NULL) { for (int j = 0; j < 4; j++) subnetmaski[j] = (unsigned char) h->h_addr[j]; } else { SSCANF(w2, "%d.%d.%d.%d", &subnetmaski[0], &subnetmaski[1], &subnetmaski[2], &subnetmaski[3]); } PRINTF("Sub-network mask of the char-server: %d.%d.%d.%d.\n", subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]); } else { PRINTF("WARNING: unknown lan-config key: %s\n", w1); } } // 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: %d.%d.%d.%d/%d.%d.%d.%d.\n", subneti[0], subneti[1], subneti[2], subneti[3], subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]); // sub-network check of the char-server { unsigned char p[4]; sscanf(lan_char_ip, "%hhu.%hhu.%hhu.%hhu", &p[0], &p[1], &p[2], &p[3]); PRINTF("LAN test of LAN IP of the char-server: "); if (lan_ip_check(p) == 0) { PRINTF("\033[1;31m***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network\033[0m\n"); LOGIN_LOG("***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network.\n"); } } PRINTF("---End reading of Lan Support configuration file\n"); return 0; } //----------------------------------- // Reading general configuration file //----------------------------------- static int login_config_read(const char *cfgName) { std::ifstream in(cfgName); if (!in.is_open()) { PRINTF("Configuration file (%s) not found.\n", cfgName); return 1; } PRINTF("---Start reading of Login Server configuration file (%s)\n", cfgName); std::string line; while (std::getline(in, line)) { std::string w1, w2; if (!split_key_value(line, &w1, &w2)) continue; if (w1 == "admin_state") { admin_state = config_switch(w2.c_str()); } else if (w1 == "admin_pass") { strzcpy(admin_pass, w2.c_str(), sizeof(admin_pass)); } else if (w1 == "ladminallowip") { if (w2 == "clear") { if (access_ladmin_allow) free(access_ladmin_allow); access_ladmin_allow = NULL; access_ladmin_allownum = 0; } else { if (w2 == "all") { // reset all previous values if (access_ladmin_allow) free(access_ladmin_allow); // set to all CREATE(access_ladmin_allow, char, ACO_STRSIZE); access_ladmin_allownum = 1; } else if (w2[0] && !(access_ladmin_allownum == 1 && access_ladmin_allow[0] == '\0')) { // don't add IP if already 'all' if (access_ladmin_allow) RECREATE(access_ladmin_allow, char, (access_ladmin_allownum + 1) * ACO_STRSIZE); else CREATE(access_ladmin_allow, char, ACO_STRSIZE); strzcpy(access_ladmin_allow + (access_ladmin_allownum++) * ACO_STRSIZE, w2.c_str(), ACO_STRSIZE); } } } else if (w1 == "gm_pass") { strzcpy(gm_pass, w2.c_str(), sizeof(gm_pass)); } else if (w1 == "level_new_gm") { level_new_gm = atoi(w2.c_str()); } else if (w1 == "new_account") { new_account_flag = config_switch(w2.c_str()); } else if (w1 == "login_port") { login_port = atoi(w2.c_str()); } else if (w1 == "account_filename") { strzcpy(account_filename, w2.c_str(), sizeof(account_filename)); } else if (w1 == "gm_account_filename") { strzcpy(GM_account_filename, w2.c_str(), sizeof(GM_account_filename)); } 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") { strzcpy(login_log_filename, w2.c_str(), sizeof(login_log_filename)); } else if (w1 == "login_log_unknown_packets_filename") { strzcpy(login_log_unknown_packets_filename, w2.c_str(), sizeof(login_log_unknown_packets_filename)); } else if (w1 == "save_unknown_packets") { save_unknown_packets = config_switch(w2.c_str()); } else if (w1 == "display_parse_login") { display_parse_login = config_switch(w2.c_str()); // 0: no, 1: yes } else if (w1 == "display_parse_admin") { display_parse_admin = config_switch(w2.c_str()); // 0: no, 1: yes } else if (w1 == "display_parse_fromchar") { display_parse_fromchar = config_switch(w2.c_str()); // 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.c_str()); } 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.c_str()); } else if (w1 == "order") { access_order = atoi(w2.c_str()); if (w2 == "deny,allow" || w2 == "deny, allow") access_order = ACO_DENY_ALLOW; if (w2 == "allow,deny" || w2 == "allow, deny") access_order = ACO_ALLOW_DENY; if (w2 == "mutual-failture" || w2 == "mutual-failure") access_order = ACO_MUTUAL_FAILTURE; } else if (w1 == "allow") { if (w2 == "clear") { if (access_allow) free(access_allow); access_allow = NULL; access_allownum = 0; } else { if (w2 == "all") { // reset all previous values if (access_allow) free(access_allow); // set to all CREATE(access_allow, char, ACO_STRSIZE); access_allownum = 1; } else if (w2[0] && !(access_allownum == 1 && access_allow[0] == '\0')) { // don't add IP if already 'all' if (access_allow) RECREATE(access_allow, char, (access_allownum + 1) * ACO_STRSIZE); else CREATE(access_allow, char, ACO_STRSIZE); strzcpy(access_allow + (access_allownum++) * ACO_STRSIZE, w2.c_str(), ACO_STRSIZE); } } } else if (w1 == "deny") { if (w2 == "clear") { if (access_deny) free(access_deny); access_deny = NULL; access_denynum = 0; } else { if (w2 == "all") { // reset all previous values if (access_deny) free(access_deny); // set to all CREATE(access_deny, char, ACO_STRSIZE); access_denynum = 1; } else if (!w2.empty() && !(access_denynum == 1 && access_deny[0] == '\0')) { // don't add IP if already 'all' if (access_deny) RECREATE(access_deny, char, (access_denynum + 1) * ACO_STRSIZE); else CREATE(access_deny, char, ACO_STRSIZE); strzcpy(access_deny + (access_denynum++) * ACO_STRSIZE, w2.c_str(), ACO_STRSIZE); } } } else if (w1 == "anti_freeze_enable") { anti_freeze_enable = config_switch(w2.c_str()); } 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 == "import") { login_config_read(w2.c_str()); } else if (w1 == "update_host") { strzcpy(update_host, w2.c_str(), sizeof(update_host)); } else if (w1 == "main_server") { strzcpy(main_server, w2.c_str(), sizeof(main_server)); } else { PRINTF("WARNING: unknown login config key: %s\n", w1); } } PRINTF("---End reading of Login Server configuration file.\n"); return 0; } //------------------------------------- // Displaying of configuration warnings //------------------------------------- static void display_conf_warnings(void) { 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; } if (admin_state == 1) { if (admin_pass[0] == '\0') { PRINTF("***WARNING: Administrator password is void (admin_pass).\n"); } else if (strcmp(admin_pass, "admin") == 0) { PRINTF("***WARNING: You are using the default administrator password (admin_pass).\n"); PRINTF(" We highly recommend that you change it.\n"); } } if (gm_pass[0] == '\0') { PRINTF("***WARNING: 'To GM become' password is void (gm_pass).\n"); PRINTF(" We highly recommend that you set one password.\n"); } else if (strcmp(gm_pass, "gm") == 0) { 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; } if (new_account_flag != 0 && new_account_flag != 1) { PRINTF("***WARNING: Invalid value for new_account parameter -> set to 0 (no new account).\n"); new_account_flag = 0; } if (login_port < 1024 || login_port > 65535) { PRINTF("***WARNING: Invalid value for login_port parameter -> set to 6900 (default).\n"); login_port = 6900; } 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); } 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); } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } 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; } if (access_order == ACO_DENY_ALLOW) { if (access_denynum == 1 && access_deny[0] == '\0') { PRINTF("***WARNING: The IP security order is 'deny,allow' (allow if not deny).\n"); PRINTF(" And you refuse ALL IP.\n"); } } else if (access_order == ACO_ALLOW_DENY) { if (access_allownum == 0) { PRINTF("***WARNING: The IP security order is 'allow,deny' (deny if not allow).\n"); PRINTF(" But, NO IP IS AUTHORISED!\n"); } } else { // ACO_MUTUAL_FAILTURE if (access_allownum == 0) { 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"); } else if (access_denynum == 1 && access_deny[0] == '\0') { 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"); } } return; } //------------------------------- // Save configuration in log file //------------------------------- static void save_config_in_log(void) { int i; // 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[0] == '\0') LOGIN_LOG("- with a remote administration with a VOID password.\n"); else if (strcmp(admin_pass, "admin") == 0) 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", strlen(admin_pass)); if (access_ladmin_allownum == 0 || (access_ladmin_allownum == 1 && access_ladmin_allow[0] == '\0')) { LOGIN_LOG("- to accept any IP for remote administration\n"); } else { LOGIN_LOG("- to accept following IP for remote administration:\n"); for (i = 0; i < access_ladmin_allownum; i++) LOGIN_LOG(" %s\n", access_ladmin_allow + i * ACO_STRSIZE); } if (gm_pass[0] == '\0') LOGIN_LOG("- with a VOID 'To GM become' password (gm_pass).\n"); else if (strcmp(gm_pass, "gm") == 0) 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", strlen(gm_pass)); 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_flag == 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 %d seconds.\n", (int)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_denynum == 0) { LOGIN_LOG("- with the IP security order: 'deny,allow' (allow if not deny). You refuse no IP.\n"); } else if (access_denynum == 1 && access_deny[0] == '\0') { 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 (i = 0; i < access_denynum; i++) LOGIN_LOG(" %s\n", access_deny + i * ACO_STRSIZE); } } else if (access_order == ACO_ALLOW_DENY) { if (access_allownum == 0) { LOGIN_LOG("- with the IP security order: 'allow,deny' (deny if not allow). But, NO IP IS AUTHORISED!\n"); } else if (access_allownum == 1 && access_allow[0] == '\0') { 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 (i = 0; i < access_allownum; i++) LOGIN_LOG(" %s\n", access_allow + i * ACO_STRSIZE); } } 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_allownum == 0) { LOGIN_LOG(" But, NO IP IS AUTHORISED!\n"); } else if (access_denynum == 1 && access_deny[0] == '\0') { LOGIN_LOG(" But, you refuse ALL IP!\n"); } else { if (access_allownum == 1 && access_allow[0] == '\0') { LOGIN_LOG(" You authorise ALL IP.\n"); } else { LOGIN_LOG(" Authorised IP are:\n"); for (i = 0; i < access_allownum; i++) LOGIN_LOG(" %s\n", access_allow + i * ACO_STRSIZE); } LOGIN_LOG(" Refused IP are:\n"); for (i = 0; i < access_denynum; i++) LOGIN_LOG(" %s\n", access_deny + i * ACO_STRSIZE); } } } //-------------------------------------- // Function called at exit of the server //-------------------------------------- void term_func(void) { int i, fd; mmo_auth_sync(); free(auth_dat); gm_account_db.clear(); for (i = 0; i < MAX_SERVERS; i++) { if ((fd = server_fd[i]) >= 0) delete_session(fd); } delete_session(login_fd); LOGIN_LOG("----End of login-server (normal end with closing of all files).\n"); } //------------------------------ // Main function of login-server //------------------------------ int do_init(int argc, char **argv) { // read login-server configuration login_config_read((argc > 1) ? argv[1] : LOGIN_CONF_NAME); display_conf_warnings(); // not in login_config_read, because we can use 'import' option, and display same message twice or more save_config_in_log(); // not before, because log file name can be changed login_lan_config_read((argc > 1) ? argv[1] : LAN_CONF_NAME); for (int i = 0; i < AUTH_FIFO_SIZE; i++) auth_fifo[i].delflag = 1; for (int i = 0; i < MAX_SERVERS; i++) server_fd[i] = -1; read_gm_account(); mmo_auth_init(); // set_termfunc (mmo_auth_sync); set_defaultparse(parse_login); login_fd = 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 \033[1;32mready\033[0m (Server is listening on the port %d).\n\n", login_port); return 0; }