// Copyright (c) Athena Dev Teams - Licensed under GNU GPL // For more information, see LICENCE in the main folder #include "../common/cbasetypes.h" #include "../common/mmo.h" #include "../common/core.h" #include "../common/socket.h" #include "../common/db.h" #include "../common/timer.h" #include "../common/malloc.h" #include "../common/strlib.h" #include "../common/showmsg.h" #include "../common/version.h" #include "../common/md5calc.h" #include "../common/lock.h" #include "login.h" #include #include #include #include // for stat/lstat/fstat struct Login_Config login_config; int login_fd; // login server socket #define MAX_SERVERS 30 struct mmo_char_server server[MAX_SERVERS]; // char server data // Advanced subnet check [LuzZza] struct s_subnet { uint32 mask; uint32 char_ip; uint32 map_ip; } subnet[16]; int subnet_count = 0; struct gm_account* gm_account_db = NULL; unsigned int GM_num = 0; // number of gm accounts unsigned int GM_max = 0; //Account registration flood protection [Kevin] int allowed_regs = 1; int time_allowed = 10; //in seconds unsigned int new_reg_tick = 0; int num_regs = 0; int account_id_count = START_ACCOUNT_NUM; char account_filename[1024] = "save/account.txt"; char GM_account_filename[1024] = "conf/GM_account.txt"; FILE *log_fp = NULL; char login_log_unknown_packets_filename[1024] = "log/login_unknown_packets.log"; int save_unknown_packets = 0; long creation_time_GM_account_file; // tracks the last-changed timestamp of the gm accounts file int gm_account_filename_check_timer = 15; // Timer to check if GM_account file has been changed and reload GM account automaticaly (in seconds; default: 15) enum { ACO_DENY_ALLOW = 0, ACO_ALLOW_DENY, ACO_MUTUAL_FAILTURE, ACO_STRSIZE = 128, }; int access_order = ACO_DENY_ALLOW; int access_allownum = 0; int access_denynum = 0; char *access_allow = NULL; char *access_deny = NULL; int access_ladmin_allownum = 0; char *access_ladmin_allow = NULL; 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) struct login_session_data { uint16 md5keylen; char md5key[20]; }; // auth information of incoming clients struct _auth_fifo auth_fifo[AUTH_FIFO_SIZE]; int auth_fifo_pos = 0; // account database struct auth_data* auth_dat = NULL; uint32 auth_num = 0, auth_max = 0; // define the number of times that some players must authentify them before to save account file. // it's just about normal authentication. If an account is created or modified, save is immediatly done. // An authentication just change last connected IP and date. It already save in log file. // set minimum auth change before save: #define AUTH_BEFORE_SAVE_FILE 10 // set divider of auth_num to found number of change before save #define AUTH_SAVE_FILE_DIVIDER 50 int auth_before_save_file = 0; // Counter. First save when 1st char-server do connection. bool admin_state = false; char admin_pass[24] = ""; char gm_pass[64] = ""; int level_new_gm = 60; int parse_admin(int fd); //----------------------------------------------------- // Online User Database [Wizputer] //----------------------------------------------------- struct online_login_data { int account_id; int waiting_disconnect; int char_server; }; static DBMap* online_db; // int account_id -> struct online_login_data* static int waiting_disconnect_timer(int tid, unsigned int tick, int id, int data); static void* create_online_user(DBKey key, va_list args) { struct online_login_data* p; CREATE(p, struct online_login_data, 1); p->account_id = key.i; p->char_server = -1; p->waiting_disconnect = -1; return p; } void add_online_user(int char_server, int account_id) { struct online_login_data* p; if( !login_config.online_check ) return; p = idb_ensure(online_db, account_id, create_online_user); p->char_server = char_server; if( p->waiting_disconnect != -1 ) { delete_timer(p->waiting_disconnect, waiting_disconnect_timer); p->waiting_disconnect = -1; } } void remove_online_user(int account_id) { if( !login_config.online_check ) return; if( account_id == 99 ) {// reset all to offline online_db->clear(online_db, NULL); // purge db return; } idb_remove(online_db, account_id); } static int waiting_disconnect_timer(int tid, unsigned int tick, int id, int data) { struct online_login_data* p = idb_get(online_db, id); if( p != NULL && p->waiting_disconnect == id ) { p->waiting_disconnect = -1; remove_online_user(id); } return 0; } //-------------------------------------------------------------------- // Packet send to all char-servers, except one (wos: without our self) //-------------------------------------------------------------------- int charif_sendallwos(int sfd, uint8* buf, size_t len) { int i, c; for( i = 0, c = 0; i < MAX_SERVERS; ++i ) { int fd = server[i].fd; if( session_isValid(fd) && fd != sfd ) { WFIFOHEAD(fd,len); memcpy(WFIFOP(fd,0), buf, len); WFIFOSET(fd,len); ++c; } } return c; } //---------------------------------------------------------------------- // 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) //---------------------------------------------------------------------- int isGM(int account_id) { unsigned int i; ARR_FIND( 0, GM_num, i, gm_account_db[i].account_id == account_id ); return ( i < GM_num ) ? gm_account_db[i].level : 0; } //---------------------------------------------------------------------- // Adds a new GM using acc id and level //---------------------------------------------------------------------- void addGM(int account_id, int level) { unsigned int i; ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id ); if( i < auth_num ) return; // no such account ARR_FIND( 0, GM_num, i, gm_account_db[i].account_id == account_id ); if( i < GM_num ) { if (gm_account_db[i].level == level) ShowWarning("addGM: GM account %d defined twice (same level: %d).\n", account_id, level); else { ShowWarning("addGM: GM account %d defined twice (levels: %d and %d).\n", account_id, gm_account_db[i].level, level); gm_account_db[i].level = level; } return; // entry already present } // new account if (GM_num >= GM_max) { GM_max += 256; RECREATE(gm_account_db, struct gm_account, GM_max); } gm_account_db[GM_num].account_id = account_id; gm_account_db[GM_num].level = level; GM_num++; if (GM_num >= 4000) ShowWarning("4000 GM accounts found. Next GM accounts are not read.\n"); } //------------------------------------------------------- // Reading function of GM accounts file (and their level) //------------------------------------------------------- int read_gm_account(void) { char line[512]; FILE *fp; int account_id, level; int line_counter; struct stat file_stat; int start_range = 0, end_range = 0, is_range = 0, current_id = 0; if(gm_account_db) aFree(gm_account_db); CREATE(gm_account_db, struct gm_account, 1); GM_num = 0; // get last modify time/date if (stat(GM_account_filename, &file_stat)) creation_time_GM_account_file = 0; // error else creation_time_GM_account_file = (long)file_stat.st_mtime; if ((fp = fopen(GM_account_filename, "r")) == NULL) { ShowError("read_gm_account: GM accounts file [%s] not found.\n", GM_account_filename); return 1; } line_counter = 0; // 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), fp) && GM_num < 4000) { line_counter++; if ((line[0] == '/' && line[1] == '/') || line[0] == '\0' || line[0] == '\n' || line[0] == '\r') continue; is_range = (sscanf(line, "%d%*[-~]%d %d",&start_range,&end_range,&level)==3); // ID Range [MC Cameri] if (!is_range && sscanf(line, "%d %d", &account_id, &level) != 2 && sscanf(line, "%d: %d", &account_id, &level) != 2) ShowError("read_gm_account: file [%s], invalid 'acount_id|range level' format (line #%d).\n", GM_account_filename, line_counter); else if (level <= 0) ShowError("read_gm_account: file [%s] %dth account (line #%d) (invalid level [0 or negative]: %d).\n", GM_account_filename, GM_num+1, line_counter, level); else { if (level > 99) { ShowNotice("read_gm_account: file [%s] %dth account (invalid level, but corrected: %d->99).\n", GM_account_filename, GM_num+1, level); level = 99; } if (is_range) { if (start_range==end_range) ShowError("read_gm_account: file [%s] invalid range, beginning of range is equal to end of range (line #%d).\n", GM_account_filename, line_counter); else if (start_range>end_range) ShowError("read_gm_account: file [%s] invalid range, beginning of range must be lower than end of range (line #%d).\n", GM_account_filename, line_counter); else for (current_id = start_range;current_id<=end_range;current_id++) addGM(current_id,level); } else { addGM(account_id,level); } } } fclose(fp); ShowStatus("read_gm_account: file '%s' read (%d GM accounts found).\n", GM_account_filename, GM_num); 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) //-------------------------------------------------------------- int check_ipmask(uint32 ip, const unsigned char *str) { unsigned int i = 0, m = 0; uint32 ip2, mask = 0; uint32 a0, a1, a2, a3; uint8* p = (uint8 *)&ip2, *p2 = (uint8 *)&mask; // scan ip address if (sscanf((const char*)str, "%u.%u.%u.%u/%n", &a0, &a1, &a2, &a3, &i) != 4 || i == 0) return 0; p[0] = (uint8)a3; p[1] = (uint8)a2; p[2] = (uint8)a1; p[3] = (uint8)a0; // scan mask if (sscanf((const char*)str+i, "%u.%u.%u.%u", &a0, &a1, &a2, &a3) == 4) { p2[0] = (uint8)a3; p2[1] = (uint8)a2; p2[2] = (uint8)a1; p2[3] = (uint8)a0; } else if (sscanf((const char*)(str+i), "%u", &m) == 1 && m <= 32) { for(i = 32 - m; i < 32; i++) mask |= (1 << i); } else { ShowError("check_ipmask: invalid mask [%s].\n", str); return 0; } return ((ip & mask) == (ip2 & mask)); } //--------------------- // Access control by IP //--------------------- int check_ip(uint32 ip) { int i; char buf[20]; char * access_ip; 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. sprintf(buf, "%u.%u.%u.%u.", CONVIP(ip)); for(i = 0; i < access_allownum; i++) { access_ip = access_allow + i * ACO_STRSIZE; if (memcmp(access_ip, buf, strlen(access_ip)) == 0 || check_ipmask(ip, (unsigned char*)access_ip)) { if(access_order == ACO_ALLOW_DENY) return 1; // With 'allow, deny' (deny if not allow), allow has priority flag = ACF_ALLOW; break; } } for(i = 0; i < access_denynum; i++) { access_ip = access_deny + i * ACO_STRSIZE; if (memcmp(access_ip, buf, strlen(access_ip)) == 0 || check_ipmask(ip, (unsigned char*)access_ip)) { //flag = ACF_DENY; // not necessary to define flag 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 //-------------------------------- int check_ladminip(uint32 ip) { int i; char buf[20]; char * access_ip; 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. sprintf(buf, "%u.%u.%u.%u.", CONVIP(ip)); for(i = 0; i < access_ladmin_allownum; i++) { access_ip = access_ladmin_allow + i * ACO_STRSIZE; if (memcmp(access_ip, buf, strlen(access_ip)) == 0 || check_ipmask(ip, (unsigned char*)access_ip)) { 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. //----------------------------------------------- int search_account_index(char* account_name) { unsigned int i, quantity; int 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 (stricmp(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 //-------------------------------------------------------- int mmo_auth_tostr(char* str, struct auth_data* p) { int i; char *str_p = str; str_p += sprintf(str_p, "%d\t%s\t%s\t%s\t%c\t%d\t%u\t%s\t%s\t%ld\t%s\t%s\t%ld\t", p->account_id, p->userid, p->pass, p->lastlogin, p->sex == 2 ? 'S' : p->sex == 1 ? 'M' : 'F', p->logincount, p->state, p->email, p->error_message, (long)p->connect_until_time, p->last_ip, p->memo, (long)p->ban_until_time); for(i = 0; i < p->account_reg2_num; i++) if (p->account_reg2[i].str[0]) str_p += sprintf(str_p, "%s,%s ", p->account_reg2[i].str, p->account_reg2[i].value); return 0; } //--------------------------------- // Reading of the accounts database //--------------------------------- int mmo_auth_init(void) { FILE *fp; int account_id; uint32 state; int logincount, n; uint32 i, j; char line[2048], *p, userid[2048], pass[2048], lastlogin[2048], sex, email[2048], error_message[2048], last_ip[2048], memo[2048]; long ban_until_time; long connect_until_time; char str[2048]; char v[2048]; int GM_count = 0; int server_count = 0; auth_max = 256; CREATE(auth_dat, struct auth_data, auth_max); if ((fp = fopen(account_filename, "r")) == NULL) { // no account file -> no account -> no login, including char-server (ERROR) ShowError(CL_RED"mmmo_auth_init: Accounts file [%s] not found."CL_RESET"\n", account_filename); return 0; } while(fgets(line, sizeof(line), fp) != NULL) { if (line[0] == '/' && line[1] == '/') continue; p = line; memset(userid, 0, sizeof(userid)); memset(pass, 0, sizeof(pass)); memset(lastlogin, 0, sizeof(lastlogin)); memset(email, 0, sizeof(email)); memset(error_message, 0, sizeof(error_message)); memset(last_ip, 0, sizeof(last_ip)); memset(memo, 0, sizeof(memo)); // database version reading (v2) if (((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t" "%[^\t]\t%[^\t]\t%ld\t%[^\t]\t%[^\t]\t%ld%n", &account_id, userid, pass, lastlogin, &sex, &logincount, &state, email, error_message, &connect_until_time, last_ip, memo, &ban_until_time, &n)) == 13 && line[n] == '\t') || ((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t" "%[^\t]\t%[^\t]\t%ld\t%[^\t]\t%[^\t]%n", &account_id, userid, pass, lastlogin, &sex, &logincount, &state, email, error_message, &connect_until_time, last_ip, memo, &n)) == 12 && line[n] == '\t')) { n = n + 1; // Some checks if (account_id > END_ACCOUNT_NUM) { ShowError(CL_RED"mmmo_auth_init: an account has an id higher than %d\n", END_ACCOUNT_NUM); ShowError(" account id #%d -> account not read (data is lost!)."CL_RESET"\n", account_id); continue; } userid[23] = '\0'; remove_control_chars(userid); for(j = 0; j < auth_num; j++) { if (auth_dat[j].account_id == account_id) { ShowError(CL_RED"mmmo_auth_init: an account has an identical id to another.\n"); ShowError(" account id #%d -> new account not read (data is lost!)."CL_RED"\n", account_id); break; } else if (strcmp(auth_dat[j].userid, userid) == 0) { ShowError(CL_RED"mmmo_auth_init: account name already exists.\n"); ShowError(" account name '%s' -> new account not read (data is lost!)."CL_RESET"\n", userid); // 2 lines, account name can be long. break; } } if (j != auth_num) continue; if (auth_num >= auth_max) { auth_max += 256; auth_dat = (struct auth_data*)aRealloc(auth_dat, sizeof(struct auth_data) * auth_max); } memset(&auth_dat[auth_num], '\0', sizeof(struct auth_data)); auth_dat[auth_num].account_id = account_id; strncpy(auth_dat[auth_num].userid, userid, 24); pass[32] = '\0'; remove_control_chars(pass); strncpy(auth_dat[auth_num].pass, pass, 32); lastlogin[23] = '\0'; remove_control_chars(lastlogin); strncpy(auth_dat[auth_num].lastlogin, lastlogin, 24); auth_dat[auth_num].sex = (sex == 'S' || sex == 's') ? 2 : (sex == 'M' || sex == 'm') ? 1 : 0; if (logincount >= 0) auth_dat[auth_num].logincount = logincount; else auth_dat[auth_num].logincount = 0; if (state > 255) auth_dat[auth_num].state = 100; else auth_dat[auth_num].state = state; if (e_mail_check(email) == 0) { ShowNotice("Account %s (%d): invalid e-mail (replaced par a@a.com).\n", auth_dat[auth_num].userid, auth_dat[auth_num].account_id); strncpy(auth_dat[auth_num].email, "a@a.com", 40); } else { remove_control_chars(email); strncpy(auth_dat[auth_num].email, email, 40); } error_message[19] = '\0'; remove_control_chars(error_message); if (error_message[0] == '\0' || state != 7) { // 7, because state is packet 0x006a value + 1 strncpy(auth_dat[auth_num].error_message, "-", 20); } else { strncpy(auth_dat[auth_num].error_message, error_message, 20); } if (i == 13) auth_dat[auth_num].ban_until_time = (time_t)ban_until_time; else auth_dat[auth_num].ban_until_time = 0; auth_dat[auth_num].connect_until_time = (time_t)connect_until_time; last_ip[15] = '\0'; remove_control_chars(last_ip); strncpy(auth_dat[auth_num].last_ip, last_ip, 16); memo[254] = '\0'; remove_control_chars(memo); strncpy(auth_dat[auth_num].memo, memo, 255); for(j = 0; j < ACCOUNT_REG2_NUM; j++) { p += n; if (sscanf(p, "%[^\t,],%[^\t ] %n", str, v, &n) != 2) { // We must check if a str is void. If it's, we can continue to read other REG2. // Account line will have something like: str2,9 ,9 str3,1 (here, ,9 is not good) if (p[0] == ',' && sscanf(p, ",%[^\t ] %n", v, &n) == 1) { j--; continue; } else break; } str[31] = '\0'; remove_control_chars(str); strncpy(auth_dat[auth_num].account_reg2[j].str, str, 32); strncpy(auth_dat[auth_num].account_reg2[j].value,v,256); } auth_dat[auth_num].account_reg2_num = j; if (isGM(account_id) > 0) GM_count++; if (auth_dat[auth_num].sex == 2) server_count++; auth_num++; if (account_id >= account_id_count) account_id_count = account_id + 1; // Old athena database version reading (v1) } else if ((i = sscanf(line, "%d\t%[^\t]\t%[^\t]\t%[^\t]\t%c\t%d\t%u\t%n", &account_id, userid, pass, lastlogin, &sex, &logincount, &state, &n)) >= 5) { if (account_id > END_ACCOUNT_NUM) { ShowError(CL_RED"mmmo_auth_init: an account has an id higher than %d\n", END_ACCOUNT_NUM); ShowError(" account id #%d -> account not read (data is lost!)."CL_RESET"\n", account_id); continue; } userid[23] = '\0'; remove_control_chars(userid); for(j = 0; j < auth_num; j++) { if (auth_dat[j].account_id == account_id) { ShowError(CL_RED"mmo_auth_init: an account has an identical id to another.\n"); ShowError(" account id #%d -> new account not read (data is lost!)."CL_RESET"\n", account_id); break; } else if (strcmp(auth_dat[j].userid, userid) == 0) { ShowError(CL_RED"mmo_auth_init: account name already exists.\n"); ShowError(" account name '%s' -> new account not read (data is lost!)."CL_RESET"\n", userid); break; } } if (j != auth_num) continue; if (auth_num >= auth_max) { auth_max += 256; RECREATE(auth_dat, struct auth_data, auth_max); } memset(&auth_dat[auth_num], '\0', sizeof(struct auth_data)); auth_dat[auth_num].account_id = account_id; strncpy(auth_dat[auth_num].userid, userid, 24); pass[23] = '\0'; remove_control_chars(pass); strncpy(auth_dat[auth_num].pass, pass, 24); lastlogin[23] = '\0'; remove_control_chars(lastlogin); strncpy(auth_dat[auth_num].lastlogin, lastlogin, 24); auth_dat[auth_num].sex = (sex == 'S' || sex == 's') ? 2 : (sex == 'M' || sex == 'm') ? 1 : 0; if (i >= 6) { if (logincount >= 0) auth_dat[auth_num].logincount = logincount; else auth_dat[auth_num].logincount = 0; } else auth_dat[auth_num].logincount = 0; if (i >= 7) { if (state > 255) auth_dat[auth_num].state = 100; else auth_dat[auth_num].state = state; } else auth_dat[auth_num].state = 0; // Initialization of new data strncpy(auth_dat[auth_num].email, "a@a.com", 40); strncpy(auth_dat[auth_num].error_message, "-", 20); auth_dat[auth_num].ban_until_time = 0; auth_dat[auth_num].connect_until_time = 0; strncpy(auth_dat[auth_num].last_ip, "-", 16); strncpy(auth_dat[auth_num].memo, "-", 255); for(j = 0; j < ACCOUNT_REG2_NUM; j++) { p += n; if (sscanf(p, "%[^\t,],%[^\t ] %n", str, v, &n) != 2) { // We must check if a str is void. If it's, we can continue to read other REG2. // Account line will have something like: str2,9 ,9 str3,1 (here, ,9 is not good) if (p[0] == ',' && sscanf(p, ",%[^\t ] %n", v, &n) == 1) { j--; continue; } else break; } str[31] = '\0'; remove_control_chars(str); strncpy(auth_dat[auth_num].account_reg2[j].str, str, 32); strncpy(auth_dat[auth_num].account_reg2[j].value,v,256); } auth_dat[auth_num].account_reg2_num = j; if (isGM(account_id) > 0) GM_count++; if (auth_dat[auth_num].sex == 2) server_count++; auth_num++; if (account_id >= account_id_count) account_id_count = account_id + 1; } else { int i = 0; if (sscanf(line, "%d\t%%newid%%\n%n", &account_id, &i) == 1 && i > 0 && account_id > account_id_count) account_id_count = account_id; } } fclose(fp); if( auth_num == 0 ) ShowNotice("mmo_auth_init: No account found in %s.\n", account_filename); else if( auth_num == 1 ) ShowStatus("mmo_auth_init: 1 account read in %s,\n", account_filename); else ShowStatus("mmo_auth_init: %d accounts read in %s,\n", auth_num, account_filename); if( GM_count == 0 ) ShowStatus(" of which is no GM account, and "); else if( GM_count == 1 ) ShowStatus(" of which is 1 GM account, and "); else ShowStatus(" of which is %d GM accounts, and ", GM_count); if( server_count == 0 ) ShowStatus(" no server account ('S').\n"); else if( server_count == 1 ) ShowStatus(" 1 server account ('S').\n"); else ShowStatus(" %d server accounts ('S').\n", server_count); return 0; } //------------------------------------------ // Writing of the accounts database file // (accounts are sorted by id before save) //------------------------------------------ void mmo_auth_sync(void) { FILE *fp; unsigned int i, j, k; int lock; int account_id; CREATE_BUFFER(id, int, auth_num); char line[65536]; // Sorting before save for(i = 0; i < auth_num; i++) { id[i] = i; account_id = auth_dat[i].account_id; for(j = 0; j < i; j++) { if (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 if ((fp = lock_fopen(account_filename, &lock)) == NULL) { //if (id) aFree(id); // aFree, right? DELETE_BUFFER(id); 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 == -1) continue; mmo_auth_tostr(line, &auth_dat[k]); fprintf(fp, "%s\n", line); } fprintf(fp, "%d\t%%newid%%\n", account_id_count); lock_fclose(fp, account_filename, &lock); // set new counter to minimum number of auth before save auth_before_save_file = auth_num / AUTH_SAVE_FILE_DIVIDER; // Re-initialise counter. We have save. if (auth_before_save_file < AUTH_BEFORE_SAVE_FILE) auth_before_save_file = AUTH_BEFORE_SAVE_FILE; //if (id) aFree(id); DELETE_BUFFER(id); return; } //----------------------------------------------------- // Check if we must save accounts file or not // every minute, we check if we must save because we // have do some authentications without arrive to // the minimum of authentications for the save. // Note: all other modification of accounts (deletion, // change of some informations excepted lastip/ // lastlogintime, creation) are always save // immediatly and set the minimum of // authentications to its initialization value. //----------------------------------------------------- int check_auth_sync(int tid, unsigned int tick, int id, int data) { // we only save if necessary: // we have do some authentications without do saving if (auth_before_save_file < AUTH_BEFORE_SAVE_FILE || auth_before_save_file < (int)(auth_num / AUTH_SAVE_FILE_DIVIDER)) mmo_auth_sync(); return 0; } //----------------------------------------------------- // periodic ip address synchronization //----------------------------------------------------- static int sync_ip_addresses(int tid, unsigned int tick, int id, int data) { uint8 buf[2]; ShowInfo("IP Sync in progress...\n"); WBUFW(buf,0) = 0x2735; charif_sendallwos(-1, buf, 2); return 0; } //----------------------------------------------------- // Send GM accounts to one or all char-servers //----------------------------------------------------- void send_GM_accounts(int fd) { unsigned int i; uint8 buf[32767]; uint16 len; len = 4; WBUFW(buf,0) = 0x2732; for(i = 0; i < GM_num; i++) // send only existing accounts. We can not create a GM account when server is online. if (gm_account_db[i].level > 0) { WBUFL(buf,len) = gm_account_db[i].account_id; WBUFB(buf,len+4) = (uint8)gm_account_db[i].level; len += 5; if (len >= 32000) { ShowWarning("send_GM_accounts: Too many accounts! Only %d out of %d were sent.\n", i, GM_num); break; } } WBUFW(buf,2) = len; if (fd == -1) // send to all charservers charif_sendallwos(-1, buf, len); else { // send only to target WFIFOHEAD(fd,len); memcpy(WFIFOP(fd,0), buf, len); WFIFOSET(fd,len); } return; } //----------------------------------------------------- // Check if GM file account have been changed //----------------------------------------------------- int check_GM_file(int tid, unsigned int tick, int id, int data) { struct stat file_stat; long new_time; // if we would not check if (gm_account_filename_check_timer < 1) return 0; // get last modify time/date if (stat(GM_account_filename, &file_stat)) new_time = 0; // error else new_time = (long)file_stat.st_mtime; if (new_time != creation_time_GM_account_file) { read_gm_account(); send_GM_accounts(-1); } return 0; } //----------------------------------------------------- // encrypted/unencrypted password check //----------------------------------------------------- bool check_encrypted(const char* str1, const char* str2, const char* passwd) { char md5str[64], md5bin[32]; snprintf(md5str, sizeof(md5str), "%s%s", str1, str2); md5str[sizeof(md5str)-1] = '\0'; MD5_String2binary(md5str, md5bin); return (0==memcmp(passwd, md5bin, 16)); } bool check_password(struct login_session_data* ld, int passwdenc, const char* passwd, const char* refpass) { if(passwdenc == 0) { return (0==strcmp(passwd, refpass)); } else if (ld) { // password mode set to 1 -> (md5key, refpass) enable with // password mode set to 2 -> (refpass, md5key) enable with return ((passwdenc&0x01) && check_encrypted(ld->md5key, refpass, passwd)) || ((passwdenc&0x02) && check_encrypted(refpass, ld->md5key, passwd)); } return false; } //------------------------------------- // Make new account //------------------------------------- int mmo_auth_new(struct mmo_account* account, char sex, char* email) { time_t timestamp, timestamp_temp; struct tm *tmtime; int i = auth_num; if (auth_num >= auth_max) { auth_max += 256; auth_dat = (struct auth_data*)aRealloc(auth_dat, sizeof(struct auth_data) * auth_max); } memset(&auth_dat[i], '\0', sizeof(struct auth_data)); while (isGM(account_id_count) > 0) account_id_count++; auth_dat[i].account_id = account_id_count++; safestrncpy(auth_dat[i].userid, account->userid, NAME_LENGTH); if( login_config.use_md5_passwds ) MD5_String(account->passwd, auth_dat[i].pass); else safestrncpy(auth_dat[i].pass, account->passwd, NAME_LENGTH); safestrncpy(auth_dat[i].lastlogin, "-", sizeof(auth_dat[i].lastlogin)); auth_dat[i].sex = (sex == 'M' || sex == 'm'); auth_dat[i].logincount = 0; auth_dat[i].state = 0; safestrncpy(auth_dat[i].email, e_mail_check(email) ? email : "a@a.com", sizeof(auth_dat[i].email)); safestrncpy(auth_dat[i].error_message, "-", sizeof(auth_dat[i].error_message)); auth_dat[i].ban_until_time = 0; if (start_limited_time < 0) auth_dat[i].connect_until_time = 0; // unlimited else { // limited time timestamp = time(NULL) + start_limited_time; // double conversion to be sure that it is possible tmtime = localtime(×tamp); timestamp_temp = mktime(tmtime); if (timestamp_temp != -1 && (timestamp_temp + 3600) >= timestamp) // check possible value and overflow (and avoid summer/winter hour) auth_dat[i].connect_until_time = timestamp_temp; else auth_dat[i].connect_until_time = 0; // unlimited } 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/authentication of a connection //----------------------------------------------------- int mmo_auth(struct mmo_account* account, int fd) { unsigned int i; time_t raw_time; char tmpstr[256]; int len; int newaccount = 0; char user_password[32+1]; // reserve for md5-ed pw char ip[16]; uint8* sin_addr = (uint8*)&session[fd]->client_addr; sprintf(ip, "%u.%u.%u.%u", sin_addr[3], sin_addr[2], sin_addr[1], sin_addr[0]); // DNS Blacklist check if( login_config.use_dnsbl ) { char r_ip[16]; char ip_dnsbl[256]; char* dnsbl_serv; bool matched = false; sprintf(r_ip, "%u.%u.%u.%u", sin_addr[0], sin_addr[1], sin_addr[2], sin_addr[3]); for( dnsbl_serv = strtok(login_config.dnsbl_servs,","); !matched && dnsbl_serv != NULL; dnsbl_serv = strtok(NULL,",") ) { sprintf(ip_dnsbl, "%s.%s", r_ip, dnsbl_serv); if( host2ip(ip_dnsbl) ) matched = true; } if( matched ) { ShowInfo("DNSBL: (%s) Blacklisted. User Kicked.\n", r_ip); return 3; } } //Client Version check if( login_config.check_client_version && account->version != 0 && account->version != login_config.client_version_to_connect ) return 5; len = strnlen(account->userid, NAME_LENGTH); // Account creation with _M/_F if( login_config.new_account_flag ) { if( len > 2 && strnlen(account->passwd, NAME_LENGTH) > 0 && // valid user and password lengths account->passwdenc == 0 && // unencoded password account->userid[len-2] == '_' && memchr("FfMm", (unsigned char)account->userid[len-1], 4) && // _M/_F suffix account_id_count <= END_ACCOUNT_NUM ) { //only continue if amount in this time limit is allowed (account registration flood protection)[Kevin] if(DIFF_TICK(gettick(), new_reg_tick) < 0 && num_regs >= allowed_regs) { ShowNotice("Account registration denied (registration limit exceeded) to %s!\n", ip); return 3; } newaccount = 1; account->userid[len-2] = '\0'; } } // Strict account search ARR_FIND( 0, auth_num, i, strcmp(account->userid, auth_dat[i].userid) == 0 ); if( newaccount ) { if( i != auth_num ) { ShowNotice("Attempt of creation of an already existant account (account: %s_%c, pass: %s, received pass: %s, ip: %s)\n", account->userid, account->userid[len-1], auth_dat[i].pass, account->passwd, ip); return 1; // 1 = Incorrect Password } else { int new_id = mmo_auth_new(account, account->userid[len-1], "a@a.com"); unsigned int tick = gettick(); ShowNotice("Account creation (account %s, id: %d, pass: %s, sex: %c, connection with _F/_M, ip: %s)\n", account->userid, new_id, account->passwd, account->userid[len-1], ip); auth_before_save_file = 0; // Creation of an account -> save accounts file immediatly if( DIFF_TICK(tick, new_reg_tick) > 0 ) { //Update the registration check. num_regs = 0; new_reg_tick=tick +time_allowed*1000; } num_regs++; } } // if there is no creation request and strict account search fails, we do a no sensitive case research for index if( !newaccount && i == auth_num ) { i = search_account_index(account->userid); if( i == -1 ) i = auth_num; else memcpy(account->userid, auth_dat[i].userid, NAME_LENGTH); // for the possible tests/checks afterwards (copy correcte sensitive case). } if( i == auth_num ) { ShowNotice("Unknown account (account: %s, received pass: %s, ip: %s)\n", account->userid, account->passwd, ip); return 0; // 0 = Unregistered ID } if( login_config.use_md5_passwds ) MD5_String(account->passwd, user_password); else safestrncpy(user_password, account->passwd, NAME_LENGTH); if( !check_password(session[fd]->session_data, account->passwdenc, user_password, auth_dat[i].pass) ) { ShowNotice("Invalid password (account: %s, pass: %s, received pass: %s, ip: %s)\n", account->userid, auth_dat[i].pass, (account->passwdenc) ? "[MD5]" : account->passwd, ip); return 1; // 1 = Incorrect Password } if( auth_dat[i].connect_until_time != 0 && auth_dat[i].connect_until_time < time(NULL) ) { ShowNotice("Connection refused (account: %s, pass: %s, expired ID, ip: %s)\n", account->userid, account->passwd, ip); return 2; // 2 = This ID is expired } if( auth_dat[i].ban_until_time != 0 && auth_dat[i].ban_until_time > time(NULL) ) { strftime(tmpstr, 20, login_config.date_format, localtime(&auth_dat[i].ban_until_time)); tmpstr[19] = '\0'; ShowNotice("Connection refused (account: %s, pass: %s, banned until %s, ip: %s)\n", account->userid, account->passwd, tmpstr, ip); return 6; // 6 = Your are Prohibited to log in until %s } if( auth_dat[i].state ) { ShowNotice("Connection refused (account: %s, pass: %s, state: %d, ip: %s)\n", account->userid, account->passwd, auth_dat[i].state, ip); return auth_dat[i].state - 1; } if( login_config.online_check ) { struct online_login_data* data = idb_get(online_db,auth_dat[i].account_id); if( data && data->char_server > -1 ) { //Request char servers to kick this account out. [Skotlex] uint8 buf[8]; ShowNotice("User '%s' is already online - Rejected.\n", auth_dat[i].userid); WBUFW(buf,0) = 0x2734; WBUFL(buf,2) = auth_dat[i].account_id; charif_sendallwos(-1, buf, 6); if( data->waiting_disconnect == -1 ) data->waiting_disconnect = add_timer(gettick()+30000, waiting_disconnect_timer, auth_dat[i].account_id, 0); return 3; // Rejected } } ShowNotice("Authentication accepted (account: %s, id: %d, ip: %s)\n", account->userid, auth_dat[i].account_id, ip); // auth start : time seed time(&raw_time); strftime(tmpstr, 24, "%Y-%m-%d %H:%M:%S",localtime(&raw_time)); account->account_id = auth_dat[i].account_id; account->login_id1 = rand(); account->login_id2 = rand(); safestrncpy(account->lastlogin, auth_dat[i].lastlogin, 24); account->sex = auth_dat[i].sex; if( account->sex != 2 && account->account_id < START_ACCOUNT_NUM ) ShowWarning("Account %s has account id %d! Account IDs must be over %d to work properly!\n", account->userid, account->account_id, START_ACCOUNT_NUM); safestrncpy(auth_dat[i].lastlogin, tmpstr, sizeof(auth_dat[i].lastlogin)); safestrncpy(auth_dat[i].last_ip, ip, sizeof(auth_dat[i].last_ip)); auth_dat[i].ban_until_time = 0; auth_dat[i].logincount++; // Save until for change ip/time of auth is not very useful => limited save for that // Save there informations isnot necessary, because they are saved in log file. if (--auth_before_save_file <= 0) // Reduce counter. 0 or less, we save mmo_auth_sync(); return -1; // account OK } static int online_db_setoffline(DBKey key, void* data, va_list ap) { struct online_login_data* p = (struct online_login_data*)data; int server = va_arg(ap, int); if( server == -1 ) { p->char_server = -1; if( p->waiting_disconnect != -1 ) { delete_timer(p->waiting_disconnect, waiting_disconnect_timer); p->waiting_disconnect = -1; } } else if( p->char_server == server ) p->char_server = -2; //Char server disconnected. return 0; } //-------------------------------- // Packet parsing for char-servers //-------------------------------- int parse_fromchar(int fd) { uint32 i; int j, id; uint32 ipl; char ip[16]; ARR_FIND( 0, MAX_SERVERS, id, server[id].fd == fd ); if( id == MAX_SERVERS ) {// not a char server set_eof(fd); do_close(fd); return 0; } if( session[fd]->eof ) { ShowStatus("Char-server '%s' has disconnected.\n", server[id].name); server[id].fd = -1; memset(&server[id], 0, sizeof(struct mmo_char_server)); online_db->foreach(online_db, online_db_setoffline, id); //Set all chars from this char server to offline. do_close(fd); return 0; } ipl = server[id].ip; ip2str(ipl, ip); while( RFIFOREST(fd) >= 2 ) { uint16 command = RFIFOW(fd,0); switch( command ) { case 0x2709: // request from map-server via char-server to reload GM accounts ShowStatus("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(-1); RFIFOSKIP(fd,2); break; case 0x2712: // request from char-server to authenticate an account if( RFIFOREST(fd) < 19 ) return 0; { int account_id = RFIFOL(fd,2); ARR_FIND( 0, AUTH_FIFO_SIZE, i, auth_fifo[i].account_id == RFIFOL(fd,2) && auth_fifo[i].login_id1 == RFIFOL(fd,6) && auth_fifo[i].login_id2 == RFIFOL(fd,10) && auth_fifo[i].sex == RFIFOB(fd,14) && auth_fifo[i].ip == ntohl(RFIFOL(fd,15)) && !auth_fifo[i].delflag ); if( i < AUTH_FIFO_SIZE ) auth_fifo[i].delflag = 1; if( i < AUTH_FIFO_SIZE && account_id > 0 ) {// send ack time_t connect_until_time; char email[40]; unsigned int k; //ShowStatus("Char-server '%s': authentication of the account %d accepted (ip: %s).\n", server[id].name, account_id, ip); ARR_FIND( 0, auth_num, k, auth_dat[k].account_id == account_id ); if( k < auth_num ) { strcpy(email, auth_dat[k].email); connect_until_time = auth_dat[k].connect_until_time; } else { memset(email, 0, sizeof(email)); connect_until_time = 0; } WFIFOHEAD(fd,51); WFIFOW(fd,0) = 0x2713; WFIFOL(fd,2) = account_id; WFIFOB(fd,6) = 0; memcpy(WFIFOP(fd, 7), email, 40); WFIFOL(fd,47) = (unsigned long)connect_until_time; WFIFOSET(fd,51); } else {// authentication not found ShowStatus("Char-server '%s': authentication of the account %d REFUSED (ip: %s).\n", server[id].name, account_id, ip); WFIFOHEAD(fd,51); WFIFOW(fd,0) = 0x2713; WFIFOL(fd,2) = account_id; 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 0; //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); RFIFOSKIP(fd,6); break; case 0x2715: // request from char server to change e-email from default "a@a.com" if (RFIFOREST(fd) < 46) return 0; { char email[40]; int acc = RFIFOL(fd,2); safestrncpy(email, (char*)RFIFOP(fd,6), 40); remove_control_chars(email); if( e_mail_check(email) == 0 ) ShowNotice("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - e-mail is invalid (account: %d, ip: %s)\n", server[id].name, acc, ip); else { ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == acc && (strcmp(auth_dat[i].email, "a@a.com") == 0 || auth_dat[i].email[0] == '\0') ); if( i == auth_num ) ShowNotice("Char-server '%s': Attempt to create an e-mail on an account with a default e-mail REFUSED - account doesn't exist or e-mail of account isn't default e-mail (account: %d, ip: %s).\n", server[id].name, acc, ip); else { memcpy(auth_dat[i].email, email, 40); ShowNotice("Char-server '%s': Create an e-mail on an account with a default e-mail (account: %d, new e-mail: %s, ip: %s).\n", server[id].name, acc, email, ip); // Save mmo_auth_sync(); } } RFIFOSKIP(fd,46); } break; case 0x2716: // received an e-mail/limited time request, because a player comes back from a map-server to the char-server if( RFIFOREST(fd) < 6 ) return 0; ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == (int)RFIFOL(fd,2) ); if( i == auth_num ) ShowNotice("Char-server '%s': e-mail of the account %d NOT found (ip: %s).\n", server[id].name, RFIFOL(fd,2), ip); else { //ShowNotice("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); safestrncpy((char*)WFIFOP(fd, 6), auth_dat[i].email, 40); WFIFOL(fd,46) = (unsigned long)auth_dat[i].connect_until_time; WFIFOSET(fd,50); } RFIFOSKIP(fd,6); break; case 0x2719: // ping request from charserver if( RFIFOREST(fd) < 2 ) return 0; WFIFOHEAD(fd,2); WFIFOW(fd,0) = 0x2718; WFIFOSET(fd,2); RFIFOSKIP(fd,2); break; case 0x2720: // Request to become a GM if( RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2) ) return 0; { unsigned char buf[10]; FILE *fp; int acc = RFIFOL(fd,4); WBUFW(buf,0) = 0x2721; WBUFL(buf,2) = acc; WBUFL(buf,6) = 0; if( strcmp((char*)RFIFOP(fd,8), gm_pass) != 0 ) // password check ShowError("Char-server '%s': Error of GM change (suggested account: %d, invalid password, ip: %s).\n", server[id].name, acc, ip); else if( isGM(acc) > 0 ) // only non-GM can become GM ShowError("Char-server '%s': Error of GM change (suggested account: %d (already GM), correct password, ip: %s).\n", server[id].name, acc, ip); else if( level_new_gm == 0 ) // if we autorise creation ShowError("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 if( (fp = fopen(GM_account_filename, "a")) == NULL ) // if we can open the file to add the new GM ShowError("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 { char tmpstr[24]; time_t raw_time; time(&raw_time); strftime(tmpstr, 23, login_config.date_format, localtime(&raw_time)); 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(-1); ShowNotice("Char-server '%s': GM Change of the account %d: level 0 -> %d (ip: %s).\n", server[id].name, acc, level_new_gm, ip); } // announce gm level update charif_sendallwos(-1, buf, 10); RFIFOSKIP(fd, RFIFOW(fd,2)); return 0; } // Map server send information to change an email of an account via char-server case 0x2722: // 0x2722 .L .40B .40B if (RFIFOREST(fd) < 86) return 0; { char actual_email[40], new_email[40]; int 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) ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but actual email is invalid (account: %d, ip: %s)\n", server[id].name, acc, ip); else if (e_mail_check(new_email) == 0) ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command) with a invalid new e-mail (account: %d, ip: %s)\n", server[id].name, acc, ip); else if (strcmpi(new_email, "a@a.com") == 0) ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command) with a default e-mail (account: %d, ip: %s)\n", server[id].name, acc, ip); else { ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == acc ); if( i == auth_num ) ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but account doesn't exist (account: %d, ip: %s).\n", server[id].name, acc, ip); else if( strcmpi(auth_dat[i].email, actual_email) != 0 ) ShowNotice("Char-server '%s': Attempt to modify an e-mail on an account (@email GM command), but actual e-mail is incorrect (account: %d (%s), actual e-mail: %s, proposed e-mail: %s, ip: %s).\n", server[id].name, acc, auth_dat[i].userid, auth_dat[i].email, actual_email, ip); else { memcpy(auth_dat[i].email, new_email, 40); ShowNotice("Char-server '%s': Modify an e-mail on an account (@email GM command) (account: %d (%s), new e-mail: %s, ip: %s).\n", server[id].name, acc, auth_dat[i].userid, new_email, ip); // Save mmo_auth_sync(); } } RFIFOSKIP(fd, 86); } break; case 0x2724: // Receiving an account state update request from a map-server (relayed via char-server) if (RFIFOREST(fd) < 10) return 0; { int account_id = RFIFOL(fd,2); uint32 state = RFIFOL(fd,6); ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == account_id ); if( i == auth_num ) ShowNotice("Char-server '%s': Error of Status change (account: %d not found, suggested status %d, ip: %s).\n", server[id].name, account_id, state, ip); else if( auth_dat[i].state == state ) ShowNotice("Char-server '%s': Error of Status change - actual status is already the good status (account: %d, status %d, ip: %s).\n", server[id].name, account_id, state, ip); else { ShowNotice("Char-server '%s': Status change (account: %d, new status %d, ip: %s).\n", server[id].name, account_id, state, ip); if (state != 0) { unsigned char buf[16]; WBUFW(buf,0) = 0x2731; WBUFL(buf,2) = account_id; WBUFB(buf,6) = 0; // 0: change of state, 1: ban WBUFL(buf,7) = state; // status or final date of a banishment charif_sendallwos(-1, buf, 11); ARR_FIND( 0, AUTH_FIFO_SIZE, j, auth_fifo[j].account_id == account_id ); if( j < AUTH_FIFO_SIZE ) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentication) } auth_dat[i].state = state; // Save mmo_auth_sync(); } RFIFOSKIP(fd,10); return 0; } case 0x2725: // Receiving of map-server via char-server a ban request if (RFIFOREST(fd) < 18) return 0; { int acc = RFIFOL(fd,2); ARR_FIND( 0, auth_num, i, auth_dat[i].account_id == acc ); if( i == auth_num ) ShowNotice("Char-server '%s': Error of ban request (account: %d not found, ip: %s).\n", server[id].name, acc, ip); else { time_t timestamp; struct tm *tmtime; if (auth_dat[i].ban_until_time == 0 || auth_dat[i].ban_until_time < time(NULL)) timestamp = time(NULL); else timestamp = auth_dat[i].ban_until_time; tmtime = localtime(×tamp); tmtime->tm_year = tmtime->tm_year + (short)RFIFOW(fd,6); tmtime->tm_mon = tmtime->tm_mon + (short)RFIFOW(fd,8); tmtime->tm_mday = tmtime->tm_mday + (short)RFIFOW(fd,10); tmtime->tm_hour = tmtime->tm_hour + (short)RFIFOW(fd,12); tmtime->tm_min = tmtime->tm_min + (short)RFIFOW(fd,14); tmtime->tm_sec = tmtime->tm_sec + (short)RFIFOW(fd,16); timestamp = mktime(tmtime); if (timestamp == -1) ShowNotice("Char-server '%s': Error of ban request (account: %d, invalid date, ip: %s).\n", server[id].name, acc, ip); else { if (timestamp <= time(NULL)) timestamp = 0; else { if (timestamp == 0) ShowNotice("Char-server '%s': Error of ban request (account: %d, new date unbans the account, ip: %s).\n", server[id].name, acc, ip); else { unsigned char buf[16]; char tmpstr[2048]; strftime(tmpstr, 24, login_config.date_format, localtime(×tamp)); ShowNotice("Char-server '%s': Ban request (account: %d, new final date of banishment: %d (%s), ip: %s).\n", server[id].name, acc, timestamp, (timestamp == 0 ? "no banishment" : 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) = (unsigned int)timestamp; // status or final date of a banishment charif_sendallwos(-1, buf, 11); ARR_FIND( 0, AUTH_FIFO_SIZE, j, auth_fifo[j].account_id == acc ); if( j < AUTH_FIFO_SIZE ) auth_fifo[j].login_id1++; // to avoid reconnection error when come back from map-server (char-server will ask again the authentication) } auth_dat[i].ban_until_time = timestamp; // Save mmo_auth_sync(); } } } RFIFOSKIP(fd,18); return 0; } case 0x2727: // Change of sex (sex is reversed) if( RFIFOREST(fd) < 6 ) return 0; { uint8 sex; int acc = RFIFOL(fd,2); for(i = 0; i < auth_num; i++) { if (auth_dat[i].account_id == acc) { if (auth_dat[i].sex == 2) ShowNotice("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; ShowNotice("Char-server '%s': Sex change (account: %d, new sex %c, ip: %s).\n", server[id].name, acc, (sex == 2) ? 'S' : (sex == 1 ? '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 authentication) auth_dat[i].sex = sex; WBUFW(buf,0) = 0x2723; WBUFL(buf,2) = acc; WBUFB(buf,6) = sex; charif_sendallwos(-1, buf, 7); // Save mmo_auth_sync(); } break; } } if (i == auth_num) ShowNotice("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 0; } case 0x2728: // We receive account_reg2 from a char-server, and we send them to other map-servers. if (RFIFOREST(fd) < 4 || RFIFOREST(fd) < RFIFOW(fd,2)) return 0; { int p; int 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]; uint8* buf; int len; CREATE(buf, uint8, RFIFOW(fd,2)+1); ShowNotice("char-server '%s': receiving (from the char-server) of account_reg2 (account: %d, ip: %s).\n", server[id].name, acc, ip); for(j=0,p=13;jforeach(online_db, online_db_setoffline, id); //Set all chars from this char-server offline first users = RFIFOW(fd,4); for (i = 0; i < users; i++) { aid = RFIFOL(fd,6+i*4); p = idb_ensure(online_db, aid, create_online_user); p->char_server = id; if (p->waiting_disconnect != -1) { delete_timer(p->waiting_disconnect, waiting_disconnect_timer); p->waiting_disconnect = -1; } } } RFIFOSKIP(fd,RFIFOW(fd,2)); break; case 0x272e: //Request account_reg2 for a character. if (RFIFOREST(fd) < 10) return 0; { int account_id = RFIFOL(fd, 2); int char_id = RFIFOL(fd, 6); int p; WFIFOW(fd,0) = 0x2729; WFIFOL(fd,4) = account_id; WFIFOL(fd,8) = char_id; WFIFOB(fd,12) = 1; //Type 1 for Account2 registry for(i = 0; i < auth_num && auth_dat[i].account_id != account_id; i++); if (i == auth_num) { //Account not found? Send at least empty data, map servers need a reply! WFIFOW(fd,2) = 13; WFIFOSET(fd,WFIFOW(fd,2)); break; } for(p = 13, j = 0; j < auth_dat[i].account_reg2_num; j++) { if (auth_dat[i].account_reg2[j].str[0]) { p+= sprintf((char*)WFIFOP(fd,p), "%s", auth_dat[i].account_reg2[j].str)+1; //We add 1 to consider the '\0' in place. p+= sprintf((char*)WFIFOP(fd,p), "%s", auth_dat[i].account_reg2[j].value)+1; } } WFIFOW(fd,2) = (uint16) p; WFIFOSET(fd,WFIFOW(fd,2)); RFIFOSKIP(fd,10); } break; case 0x2736: // WAN IP update from char-server if( RFIFOREST(fd) < 6 ) return 0; server[id].ip = ntohl(RFIFOL(fd,2)); ShowInfo("Updated IP of Server #%d to %d.%d.%d.%d.\n",id, CONVIP(server[id].ip)); RFIFOSKIP(fd,6); break; case 0x2737: //Request to set all offline. ShowInfo("Setting accounts from char-server %d offline.\n", id); online_db->foreach(online_db, online_db_setoffline, id); RFIFOSKIP(fd,2); break; default: { FILE* logfp; char tmpstr[24]; time_t raw_time; logfp = fopen(login_log_unknown_packets_filename, "a"); if (logfp) { time(&raw_time); strftime(tmpstr, 23, login_config.date_format, localtime(&raw_time)); 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: %lu).\n", fd, ip, command, (unsigned long)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); } ShowError("parse_fromchar: Unknown packet 0x%x from a char-server! Disconnecting!\n", command); set_eof(fd); return 0; } } // switch } // while RFIFOSKIP(fd,RFIFOREST(fd)); return 0; } //-------------------------------------------- // Test to know if an IP come from LAN or WAN. //-------------------------------------------- int lan_subnetcheck(uint32 ip) { int i; ARR_FIND( 0, subnet_count, i, (subnet[i].char_ip & subnet[i].mask) == (ip & subnet[i].mask) ); return ( i < subnet_count ) ? subnet[i].char_ip : 0; } //---------------------------------------------------------------------------------------- // Default packet parsing (normal players or administation/char-server connection requests) //---------------------------------------------------------------------------------------- int parse_login(int fd) { struct mmo_account account; int result, j; unsigned int i; uint32 ipl = session[fd]->client_addr; char ip[16]; if( session[fd]->eof ) { do_close(fd); return 0; } ip2str(ipl, ip); while( RFIFOREST(fd) >= 2 ) { uint16 command = RFIFOW(fd,0); switch( command ) { case 0x0200: // New alive packet: structure: 0x200 .24B. used to verify if client is always alive. if (RFIFOREST(fd) < 26) return 0; RFIFOSKIP(fd,26); break; case 0x0204: // New alive packet: structure: 0x204 .16B. (new ragexe from 22 june 2004) if (RFIFOREST(fd) < 18) return 0; RFIFOSKIP(fd,18); break; case 0x0064: // request client login case 0x01dd: // request client login (encryption mode) case 0x0277: // New login packet (kRO 2006-04-24aSakexe langtype 0) case 0x02b0: // New login packet (kRO 2007-05-14aSakexe langtype 0) { size_t packet_len = RFIFOREST(fd); // assume no other packet was sent // Perform ip-ban check if (!check_ip(ipl)) { ShowStatus("Connection refused: IP isn't authorised (deny/allow, ip: %s).\n", ip); WFIFOHEAD(fd,23); WFIFOW(fd,0) = 0x6a; WFIFOB(fd,2) = 3; // 3 = Rejected from Server WFIFOSET(fd,23); RFIFOSKIP(fd,packet_len); set_eof(fd); break; } if( (command == 0x0064 && packet_len < 55) || (command == 0x01dd && packet_len < 47) || (command == 0x0277 && packet_len < 84) || (command == 0x02b0 && packet_len < 85) ) return 0; // S 0064 .l .24B .24B .B // S 01dd .l .24B .16B .B // S 0277 .l .24B .24B .29B .B // S 02b0 .l .24B .24B .30B .B memset(&account, 0, sizeof(account)); account.version = RFIFOL(fd,2); if( !account.version ) account.version = 1; //Force some version... memcpy(account.userid,RFIFOP(fd,6),NAME_LENGTH); account.userid[23] = '\0'; remove_control_chars(account.userid); if (command != 0x01dd) { ShowStatus("Request for connection (non encryption mode) of %s (ip: %s).\n", account.userid, ip); memcpy(account.passwd, RFIFOP(fd,30), NAME_LENGTH); account.passwd[23] = '\0'; remove_control_chars(account.passwd); } else { ShowStatus("Request for connection (encryption mode) of %s (ip: %s).\n", account.userid, ip); memcpy(account.passwd, RFIFOP(fd,30), 16); account.passwd[16] = '\0'; // binary data here } account.passwdenc = (command == 0x01dd) ? PASSWORDENC : 0; result = mmo_auth(&account, fd); if( result == -1 ) { // auth success int gm_level = isGM(account.account_id); if( login_config.min_level_to_connect > gm_level ) { ShowStatus("Connection refused: the minimum GM level for connection is %d (account: %s, GM level: %d, ip: %s).\n", login_config.min_level_to_connect, account.userid, gm_level, ip); WFIFOHEAD(fd,3); WFIFOW(fd,0) = 0x81; WFIFOB(fd,2) = 1; // 01 = Server closed WFIFOSET(fd,3); } else { uint8 server_num, n; uint32 subnet_char_ip; server_num = 0; for( i = 0; i < MAX_SERVERS; ++i ) if( session_isValid(server[i].fd) ) server_num++; if( server_num > 0 ) {// if at least 1 char-server if (gm_level) ShowStatus("Connection of the GM (level:%d) account '%s' accepted.\n", gm_level, account.userid); else ShowStatus("Connection of the account '%s' accepted.\n", account.userid); WFIFOHEAD(fd,47+32*server_num); 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) WFIFOW(fd,44) = 0; // unknown WFIFOB(fd,46) = account.sex; for( i = 0, n = 0; i < MAX_SERVERS; ++i ) { if( !session_isValid(server[i].fd) ) continue; subnet_char_ip = lan_subnetcheck(ipl); // Advanced subnet check [LuzZza] WFIFOL(fd,47+n*32) = htonl((subnet_char_ip) ? subnet_char_ip : server[i].ip); WFIFOW(fd,47+n*32+4) = ntows(htons(server[i].port)); // [!] LE byte order here [!] memcpy(WFIFOP(fd,47+n*32+6), server[i].name, 20); WFIFOW(fd,47+n*32+26) = server[i].users; WFIFOW(fd,47+n*32+28) = server[i].maintenance; WFIFOW(fd,47+n*32+30) = server[i].new_; n++; } WFIFOSET(fd,47+32*server_num); 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; auth_fifo_pos++; } else {// if no char-server, don't send void list of servers, just disconnect the player with proper message ShowStatus("Connection refused: there is no char-server online (account: %s, ip: %s).\n", account.userid, ip); WFIFOHEAD(fd,3); WFIFOW(fd,0) = 0x81; WFIFOB(fd,2) = 1; // 01 = Server closed WFIFOSET(fd,3); } } } else { // auth failed WFIFOHEAD(fd,23); WFIFOW(fd,0) = 0x6a; WFIFOB(fd,2) = (uint8)result; if( result != 6 ) memset(WFIFOP(fd,3), '\0', 20); else {// 6 = Your are Prohibited to log in until %s char tmpstr[20]; time_t ban_until_time; i = search_account_index(account.userid); ban_until_time = (i) ? auth_dat[i].ban_until_time : 0; strftime(tmpstr, 20, login_config.date_format, localtime(&ban_until_time)); safestrncpy((char*)WFIFOP(fd,3), tmpstr, 20); // ban timestamp goes here } WFIFOSET(fd,23); } RFIFOSKIP(fd,packet_len); } 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 ) { ShowWarning("login: abnormal request of MD5 key (already opened session).\n"); set_eof(fd); return 0; } CREATE(ld, struct login_session_data, 1); session[fd]->session_data = ld; // Creation of the coding key memset(ld->md5key, '\0', sizeof(ld->md5key)); ld->md5keylen = (uint16)(12 + rand() % 4); for( i = 0; i < ld->md5keylen; ++i ) ld->md5key[i] = (char)(1 + rand() % 255); WFIFOHEAD(fd,4 + ld->md5keylen); WFIFOW(fd,0) = 0x01dc; WFIFOW(fd,2) = 4 + ld->md5keylen; memcpy(WFIFOP(fd,4), ld->md5key, ld->md5keylen); WFIFOSET(fd,WFIFOW(fd,2)); RFIFOSKIP(fd,2); } break; case 0x2710: // Connection request of a char-server if (RFIFOREST(fd) < 86) return 0; { char* server_name; uint32 server_ip; uint16 server_port; memset(&account, 0, sizeof(account)); safestrncpy(account.userid, (char*)RFIFOP(fd,2), NAME_LENGTH); remove_control_chars(account.userid); safestrncpy(account.passwd, (char*)RFIFOP(fd,26), NAME_LENGTH); remove_control_chars(account.passwd); account.passwdenc = 0; server_name = (char*)RFIFOP(fd,60); server_name[20] = '\0'; remove_control_chars(server_name); server_ip = ntohl(RFIFOL(fd, 54)); server_port = ntohs(RFIFOW(fd, 58)); ShowInfo("Connection request of the char-server '%s' @ %d.%d.%d.%d:%d (account: '%s', pass: '%s', ip: '%s')\n", server_name, CONVIP(server_ip), server_port, account.userid, account.passwd, ip); result = mmo_auth(&account, fd); if( result == -1 && account.sex == 2 && account.account_id < MAX_SERVERS && server[account.account_id].fd == -1 ) { ShowStatus("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 = ntohl(RFIFOL(fd,54)); server[account.account_id].port = ntohs(RFIFOW(fd,58)); safestrncpy(server[account.account_id].name, server_name, sizeof(server[account.account_id].name)); server[account.account_id].users = 0; server[account.account_id].maintenance = RFIFOW(fd,82); server[account.account_id].new_ = RFIFOW(fd,84); server[account.account_id].fd = fd; WFIFOHEAD(fd,3); WFIFOW(fd,0) = 0x2711; WFIFOB(fd,2) = 0; WFIFOSET(fd,3); session[fd]->func_parse = parse_fromchar; session[fd]->client_addr = 0; realloc_fifo(fd, FIFOSIZE_SERVERLINK, FIFOSIZE_SERVERLINK); send_GM_accounts(fd); // send GM account to char-server } else { ShowNotice("Connection of the char-server '%s' REFUSED.\n", server_name); WFIFOHEAD(fd,3); WFIFOW(fd,0) = 0x2711; WFIFOB(fd,2) = 3; WFIFOSET(fd,3); } } RFIFOSKIP(fd,86); return 0; case 0x7530: // Server version information request ShowStatus("Sending server version information to ip: %s\n", ip); WFIFOHEAD(fd,10); WFIFOW(fd,0) = 0x7531; WFIFOB(fd,2) = ATHENA_MAJOR_VERSION; WFIFOB(fd,3) = ATHENA_MINOR_VERSION; WFIFOB(fd,4) = ATHENA_REVISION; WFIFOB(fd,5) = ATHENA_RELEASE_FLAG; WFIFOB(fd,6) = ATHENA_OFFICIAL_FLAG; WFIFOB(fd,7) = ATHENA_SERVER_LOGIN; WFIFOW(fd,8) = ATHENA_MOD_VERSION; WFIFOSET(fd,10); RFIFOSKIP(fd,2); break; case 0x7532: // Request to end connection ShowStatus("End of connection (ip: %s)\n", ip); set_eof(fd); return 0; case 0x7918: // Request for administation login if ((int)RFIFOREST(fd) < 4 || (int)RFIFOREST(fd) < ((RFIFOW(fd,2) == 0) ? 28 : 20)) return 0; WFIFOW(fd,0) = 0x7919; WFIFOB(fd,2) = 1; if (!check_ladminip(session[fd]->client_addr)) { ShowNotice("'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[25]; memcpy(password, RFIFOP(fd,4), 24); password[24] = '\0'; remove_control_chars(password); if( !admin_state ) ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (non encrypted password: %s, ip: %s)\n", password, ip); else if( strcmp(password, admin_pass) != 0) ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - invalid password (non encrypted password: %s, ip: %s)\n", password, ip); else { // If remote administration is enabled and password sent by client matches password read from login server configuration file ShowNotice("'ladmin'-login: Connection in administration mode accepted (non encrypted password: %s, ip: %s)\n", password, ip); WFIFOB(fd,2) = 0; session[fd]->func_parse = parse_admin; } } else { // encrypted password if (!ld) ShowError("'ladmin'-login: error! MD5 key not created/requested for an administration login.\n"); else { char md5str[64] = "", md5bin[32]; if (RFIFOW(fd,2) == 1) { sprintf(md5str, "%s%s", ld->md5key, admin_pass); // 20 24 } else if (RFIFOW(fd,2) == 2) { sprintf(md5str, "%s%s", admin_pass, ld->md5key); // 24 20 } MD5_String2binary(md5str, md5bin); if( !admin_state ) ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - remote administration is disabled (encrypted password, ip: %s)\n", ip); else if( memcmp(md5bin, RFIFOP(fd,4), 16) != 0 ) ShowNotice("'ladmin'-login: Connection in administration mode REFUSED - invalid password (encrypted password, ip: %s)\n", ip); else { // If remote administration is enabled and password hash sent by client matches hash of password read from login server configuration file ShowNotice("'ladmin'-login: Connection in administration mode accepted (encrypted password, ip: %s)\n", ip); ShowNotice("Connection of a remote administration accepted (encrypted password).\n"); WFIFOB(fd,2) = 0; session[fd]->func_parse = parse_admin; } } } } WFIFOSET(fd,3); RFIFOSKIP(fd, (RFIFOW(fd,2) == 0) ? 28 : 20); break; default: if (save_unknown_packets) { FILE *logfp; char tmpstr[24]; time_t raw_time; logfp = fopen(login_log_unknown_packets_filename, "a"); if (logfp) { time(&raw_time); strftime(tmpstr, 23, login_config.date_format, localtime(&raw_time)); 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: %lu).\n", fd, ip, command, (unsigned long)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); } } ShowNotice("Abnormal end of connection (ip: %s): Unknown packet 0x%x\n", ip, command); set_eof(fd); return 0; } } RFIFOSKIP(fd,RFIFOREST(fd)); return 0; } //----------------------- // Console Command Parser [Wizputer] //----------------------- int parse_console(char* buf) { char command[256]; memset(command, 0, sizeof(command)); sscanf(buf, "%[^\n]", command); ShowInfo("Console command :%s", command); if( strcmpi("shutdown", command) == 0 || strcmpi("exit", command) == 0 || strcmpi("quit", command) == 0 || strcmpi("end", command) == 0 ) runflag = 0; else if( strcmpi("alive", command) == 0 || strcmpi("status", command) == 0 ) ShowInfo(CL_CYAN"Console: "CL_BOLD"I'm Alive."CL_RESET"\n"); else if( strcmpi("help", command) == 0 ) { printf(CL_BOLD"Help of commands:"CL_RESET"\n"); printf(" To shutdown the server:\n"); printf(" 'shutdown|exit|quit|end'\n"); printf(" To know if server is alive:\n"); printf(" 'alive|status'\n"); } return 0; } static int online_data_cleanup_sub(DBKey key, void *data, va_list ap) { struct online_login_data *character= (struct online_login_data*)data; if (character->char_server == -2) //Unknown server.. set them offline remove_online_user(character->account_id); else if (character->char_server < 0) //Free data from players that have not been online for a while. db_remove(online_db, key); return 0; } static int online_data_cleanup(int tid, unsigned int tick, int id, int data) { online_db->foreach(online_db, online_data_cleanup_sub); return 0; } //---------------------------------- // Reading Lan Support configuration //---------------------------------- int login_lan_config_read(const char *lancfgName) { FILE *fp; int line_num = 0; char line[1024], w1[64], w2[64], w3[64], w4[64]; if((fp = fopen(lancfgName, "r")) == NULL) { ShowWarning("LAN Support configuration file is not found: %s\n", lancfgName); return 1; } ShowInfo("Reading the configuration file %s...\n", lancfgName); while(fgets(line, sizeof(line), fp)) { line_num++; if ((line[0] == '/' && line[1] == '/') || line[0] == '\n' || line[1] == '\n') continue; if(sscanf(line,"%[^:]: %[^:]:%[^:]:%[^\r\n]", w1, w2, w3, w4) != 4) { ShowWarning("Error syntax of configuration file %s in line %d.\n", lancfgName, line_num); continue; } remove_control_chars(w1); remove_control_chars(w2); remove_control_chars(w3); remove_control_chars(w4); if( strcmpi(w1, "subnet") == 0 ) { subnet[subnet_count].mask = str2ip(w2); subnet[subnet_count].char_ip = str2ip(w3); subnet[subnet_count].map_ip = str2ip(w4); if( (subnet[subnet_count].char_ip & subnet[subnet_count].mask) != (subnet[subnet_count].map_ip & subnet[subnet_count].mask) ) { ShowError("%s: Configuration Error: The char server (%s) and map server (%s) belong to different subnetworks!\n", lancfgName, w3, w4); continue; } subnet_count++; } } ShowStatus("Read information about %d subnetworks.\n", subnet_count); fclose(fp); return 0; } //----------------------------------- // Reading main configuration file //----------------------------------- int login_config_read(const char* cfgName) { char line[1024], w1[1024], w2[1024]; FILE* fp = fopen(cfgName, "r"); if (fp == NULL) { ShowError("Configuration file (%s) not found.\n", cfgName); return 1; } ShowInfo("Reading configuration file %s...\n", cfgName); while(fgets(line, sizeof(line), fp)) { if (line[0] == '/' && line[1] == '/') continue; if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) < 2) continue; remove_control_chars(w1); remove_control_chars(w2); if(!strcmpi(w1,"timestamp_format")) strncpy(timestamp_format, w2, 20); else if(!strcmpi(w1,"stdout_with_ansisequence")) stdout_with_ansisequence = config_switch(w2); else if(!strcmpi(w1,"console_silent")) { ShowInfo("Console Silent Setting: %d\n", atoi(w2)); msg_silent = atoi(w2); } else if (strcmpi(w1, "admin_state") == 0) { admin_state = (bool)config_switch(w2); } else if (strcmpi(w1, "admin_pass") == 0) { memset(admin_pass, 0, sizeof(admin_pass)); strncpy(admin_pass, w2, sizeof(admin_pass)); admin_pass[sizeof(admin_pass)-1] = '\0'; } else if (strcmpi(w1, "ladminallowip") == 0) { if (strcmpi(w2, "clear") == 0) { if (access_ladmin_allow) aFree(access_ladmin_allow); access_ladmin_allow = NULL; access_ladmin_allownum = 0; } else { if (strcmpi(w2, "all") == 0) { // reset all previous values if (access_ladmin_allow) aFree(access_ladmin_allow); // set to all access_ladmin_allow = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); access_ladmin_allownum = 1; access_ladmin_allow[0] = '\0'; } else if (w2[0] && !(access_ladmin_allownum == 1 && access_ladmin_allow[0] == '\0')) { // don't add IP if already 'all' if (access_ladmin_allow) access_ladmin_allow = (char*)aRealloc(access_ladmin_allow, (access_ladmin_allownum+1) * ACO_STRSIZE); else access_ladmin_allow = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); strncpy(access_ladmin_allow + (access_ladmin_allownum++) * ACO_STRSIZE, w2, ACO_STRSIZE); access_ladmin_allow[access_ladmin_allownum * ACO_STRSIZE - 1] = '\0'; } } } else if (strcmpi(w1, "gm_pass") == 0) { memset(gm_pass, 0, sizeof(gm_pass)); strncpy(gm_pass, w2, sizeof(gm_pass)); gm_pass[sizeof(gm_pass)-1] = '\0'; } else if (strcmpi(w1, "level_new_gm") == 0) { level_new_gm = atoi(w2); } else if( !strcmpi(w1, "bind_ip") ) { char ip_str[16]; login_config.login_ip = host2ip(w2); if( login_config.login_ip ) ShowStatus("Login server binding IP address : %s -> %s\n", w2, ip2str(login_config.login_ip, ip_str)); } else if( !strcmpi(w1, "login_port") ) { login_config.login_port = (uint16)atoi(w2); ShowStatus("set login_port : %s\n",w2); } else if (strcmpi(w1, "account_filename") == 0) { memset(account_filename, 0, sizeof(account_filename)); strncpy(account_filename, w2, sizeof(account_filename)); account_filename[sizeof(account_filename)-1] = '\0'; } else if (strcmpi(w1, "gm_account_filename") == 0) { memset(GM_account_filename, 0, sizeof(GM_account_filename)); strncpy(GM_account_filename, w2, sizeof(GM_account_filename)); GM_account_filename[sizeof(GM_account_filename)-1] = '\0'; } else if (strcmpi(w1, "gm_account_filename_check_timer") == 0) { gm_account_filename_check_timer = atoi(w2); } else if (strcmpi(w1, "log_login") == 0) { login_config.log_login = (bool)config_switch(w2); } else if (strcmpi(w1, "login_log_unknown_packets_filename") == 0) { memset(login_log_unknown_packets_filename, 0, sizeof(login_log_unknown_packets_filename)); strncpy(login_log_unknown_packets_filename, w2, sizeof(login_log_unknown_packets_filename)); login_log_unknown_packets_filename[sizeof(login_log_unknown_packets_filename)-1] = '\0'; } else if (strcmpi(w1, "save_unknown_packets") == 0) { save_unknown_packets = config_switch(w2); } else if (strcmpi(w1, "start_limited_time") == 0) { start_limited_time = atoi(w2); } else if (strcmpi(w1, "order") == 0) { access_order = atoi(w2); if (strcmpi(w2, "deny,allow") == 0 || strcmpi(w2, "deny, allow") == 0) access_order = ACO_DENY_ALLOW; if (strcmpi(w2, "allow,deny") == 0 || strcmpi(w2, "allow, deny") == 0) access_order = ACO_ALLOW_DENY; if (strcmpi(w2, "mutual-failture") == 0 || strcmpi(w2, "mutual-failure") == 0) access_order = ACO_MUTUAL_FAILTURE; } else if (strcmpi(w1, "allow") == 0) { if (strcmpi(w2, "clear") == 0) { if (access_allow) aFree(access_allow); access_allow = NULL; access_allownum = 0; } else { if (strcmpi(w2, "all") == 0) { // reset all previous values if (access_allow) aFree(access_allow); // set to all access_allow = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); access_allownum = 1; access_allow[0] = '\0'; } else if (w2[0] && !(access_allownum == 1 && access_allow[0] == '\0')) { // don't add IP if already 'all' if (access_allow) access_allow = (char*)aRealloc(access_allow, (access_allownum+1) * ACO_STRSIZE); else access_allow = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); strncpy(access_allow + (access_allownum++) * ACO_STRSIZE, w2, ACO_STRSIZE); access_allow[access_allownum * ACO_STRSIZE - 1] = '\0'; } } } else if (strcmpi(w1, "deny") == 0) { if (strcmpi(w2, "clear") == 0) { if (access_deny) aFree(access_deny); access_deny = NULL; access_denynum = 0; } else { if (strcmpi(w2, "all") == 0) { // reset all previous values if (access_deny) aFree(access_deny); // set to all access_deny = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); access_denynum = 1; access_deny[0] = '\0'; } else if (w2[0] && !(access_denynum == 1 && access_deny[0] == '\0')) { // don't add IP if already 'all' if (access_deny) access_deny = (char*)aRealloc(access_deny, (access_denynum+1) * ACO_STRSIZE); else access_deny = (char*)aCalloc(ACO_STRSIZE, sizeof(char)); strncpy(access_deny + (access_denynum++) * ACO_STRSIZE, w2, ACO_STRSIZE); access_deny[access_denynum * ACO_STRSIZE - 1] = '\0'; } } } else if(!strcmpi(w1, "new_account")) login_config.new_account_flag = (bool)config_switch(w2); else if(!strcmpi(w1, "check_client_version")) login_config.check_client_version = (bool)config_switch(w2); else if(!strcmpi(w1, "client_version_to_connect")) login_config.client_version_to_connect = atoi(w2); else if(!strcmpi(w1, "use_MD5_passwords")) login_config.use_md5_passwds = (bool)config_switch(w2); else if(!strcmpi(w1, "min_level_to_connect")) login_config.min_level_to_connect = atoi(w2); else if(!strcmpi(w1, "date_format")) safestrncpy(login_config.date_format, w2, sizeof(login_config.date_format)); else if(!strcmpi(w1, "console")) login_config.console = (bool)config_switch(w2); // else if(!strcmpi(w1, "case_sensitive")) // login_config.case_sensitive = config_switch(w2); else if(!strcmpi(w1, "allowed_regs")) //account flood protection system allowed_regs = atoi(w2); else if(!strcmpi(w1, "time_allowed")) time_allowed = atoi(w2); else if(!strcmpi(w1, "online_check")) login_config.online_check = (bool)config_switch(w2); else if(!strcmpi(w1, "use_dnsbl")) login_config.use_dnsbl = (bool)config_switch(w2); else if(!strcmpi(w1, "dnsbl_servers")) safestrncpy(login_config.dnsbl_servs, w2, sizeof(login_config.dnsbl_servs)); else if(!strcmpi(w1, "ip_sync_interval")) login_config.ip_sync_interval = (unsigned int)1000*60*atoi(w2); //w2 comes in minutes. else if(!strcmpi(w1, "import")) login_config_read(w2); } fclose(fp); ShowInfo("Finished reading %s.\n", cfgName); return 0; } //------------------------------------- // Displaying of configuration warnings //------------------------------------- void display_conf_warnings(void) { if( admin_state ) { if (admin_pass[0] == '\0') { ShowWarning("Administrator password is void (admin_pass).\n"); } else if (strcmp(admin_pass, "admin") == 0) { ShowWarning("You are using the default administrator password (admin_pass).\n"); ShowWarning(" We highly recommend that you change it.\n"); } } if (gm_pass[0] == '\0') { ShowWarning("'To GM become' password is void (gm_pass).\n"); ShowWarning(" We highly recommend that you set one password.\n"); } else if (strcmp(gm_pass, "gm") == 0) { ShowWarning("You are using the default GM password (gm_pass).\n"); ShowWarning(" We highly recommend that you change it.\n"); } if (level_new_gm < 0 || level_new_gm > 99) { ShowWarning("Invalid value for level_new_gm parameter -> setting to 60 (default).\n"); level_new_gm = 60; } if (gm_account_filename_check_timer < 0) { ShowWarning("Invalid value for gm_account_filename_check_timer parameter. Setting to 15 sec (default).\n"); gm_account_filename_check_timer = 15; } else if (gm_account_filename_check_timer == 1) { ShowWarning("Invalid value for gm_account_filename_check_timer parameter. Setting to 2 sec (minimum value).\n"); gm_account_filename_check_timer = 2; } if (login_config.min_level_to_connect < 0) { // 0: all players, 1-99 at least gm level x ShowWarning("Invalid value for min_level_to_connect (%d) parameter -> setting 0 (any player).\n", login_config.min_level_to_connect); login_config.min_level_to_connect = 0; } else if (login_config.min_level_to_connect > 99) { // 0: all players, 1-99 at least gm level x ShowWarning("Invalid value for min_level_to_connect (%d) parameter -> setting to 99 (only GM level 99)\n", login_config.min_level_to_connect); login_config.min_level_to_connect = 99; } if (start_limited_time < -1) { // -1: create unlimited account, 0 or more: additionnal sec from now to create limited time ShowWarning("Invalid value for start_limited_time parameter\n"); ShowWarning(" -> setting to -1 (new accounts are created with unlimited time).\n"); start_limited_time = -1; } if (access_order == ACO_DENY_ALLOW) { if (access_denynum == 1 && access_deny[0] == '\0') { ShowWarning("The IP security order is 'deny,allow' (allow if not deny) and you refuse ALL IP.\n"); } } else if (access_order == ACO_ALLOW_DENY) { if (access_allownum == 0) { ShowWarning("The IP security order is 'allow,deny' (deny if not allow) but, NO IP IS AUTHORISED!\n"); } } else { // ACO_MUTUAL_FAILTURE if (access_allownum == 0) { ShowWarning("The IP security order is 'mutual-failture'\n"); ShowWarning(" (allow if in the allow list and not in the deny list).\n"); ShowWarning(" But, NO IP IS AUTHORISED!\n"); } else if (access_denynum == 1 && access_deny[0] == '\0') { ShowWarning("The IP security order is mutual-failture\n"); ShowWarning(" (allow if in the allow list and not in the deny list).\n"); ShowWarning(" But, you refuse ALL IP!\n"); } } return; } void login_set_defaults() { login_config.login_ip = INADDR_ANY; login_config.login_port = 6900; login_config.ip_sync_interval = 0; login_config.log_login = true; safestrncpy(login_config.date_format, "%Y-%m-%d %H:%M:%S", sizeof(login_config.date_format)); login_config.console = false; login_config.new_account_flag = true; // login_config.case_sensitive = true; login_config.use_md5_passwds = false; // login_config.login_gm_read = true; login_config.min_level_to_connect = 0; login_config.online_check = true; login_config.check_client_version = false; login_config.client_version_to_connect = 20; // login_config.ipban = true; // login_config.dynamic_pass_failure_ban = true; // login_config.dynamic_pass_failure_ban_interval = 5; // login_config.dynamic_pass_failure_ban_limit = 7; // login_config.dynamic_pass_failure_ban_duration = 5; login_config.use_dnsbl = false; safestrncpy(login_config.dnsbl_servs, "", sizeof(login_config.dnsbl_servs)); } //-------------------------------------- // Function called at exit of the server //-------------------------------------- void do_final(void) { int i, fd; ShowInfo("Terminating...\n"); mmo_auth_sync(); online_db->destroy(online_db, NULL); if(auth_dat) aFree(auth_dat); if(gm_account_db) aFree(gm_account_db); if(access_ladmin_allow) aFree(access_ladmin_allow); if(access_allow) aFree(access_allow); if(access_deny) aFree(access_deny); for (i = 0; i < MAX_SERVERS; i++) { if ((fd = server[i].fd) >= 0) { server[i].fd = -1; memset(&server[i], 0, sizeof(struct mmo_char_server)); do_close(fd); } } do_close(login_fd); if(log_fp) fclose(log_fp); ShowStatus("Finished.\n"); } //------------------------------ // Function called when the server // has received a crash signal. //------------------------------ void do_abort(void) { } void set_server_type(void) { SERVER_TYPE = ATHENA_SERVER_LOGIN; } //------------------------------ // Login server initialization //------------------------------ int do_init(int argc, char** argv) { int i; login_set_defaults(); // read login-server configuration login_config_read((argc > 1) ? argv[1] : LOGIN_CONF_NAME); display_conf_warnings(); // not in login_config_read, because we can use 'import' option, and display same message twice or more login_lan_config_read((argc > 2) ? argv[2] : LAN_CONF_NAME); srand((unsigned int)time(NULL)); for( i = 0; i < AUTH_FIFO_SIZE; i++ ) auth_fifo[i].delflag = 1; for( i = 0; i < MAX_SERVERS; i++ ) server[i].fd = -1; // Online user database init online_db = idb_alloc(DB_OPT_RELEASE_DATA); add_timer_func_list(waiting_disconnect_timer, "waiting_disconnect_timer"); // Auth init mmo_auth_init(); // Read account information. read_gm_account(); // set default parser as parse_login function set_defaultparse(parse_login); add_timer_func_list(check_auth_sync, "check_auth_sync"); add_timer_interval(gettick() + 60000, check_auth_sync, 0, 0, 60000); // every 60 sec we check if we must save accounts file (only if necessary to save) // every x sec we check if gm file has been changed if( gm_account_filename_check_timer ) { add_timer_func_list(check_GM_file, "check_GM_file"); add_timer_interval(gettick() + gm_account_filename_check_timer * 1000, check_GM_file, 0, 0, gm_account_filename_check_timer * 1000); } // every 10 minutes cleanup online account db. add_timer_func_list(online_data_cleanup, "online_data_cleanup"); add_timer_interval(gettick() + 600*1000, online_data_cleanup, 0, 0, 600*1000); // add timer to detect ip address change and perform update if (login_config.ip_sync_interval) { add_timer_func_list(sync_ip_addresses, "sync_ip_addresses"); add_timer_interval(gettick() + login_config.ip_sync_interval, sync_ip_addresses, 0, 0, login_config.ip_sync_interval); } if( login_config.console ) { //##TODO invoke a CONSOLE_START plugin event } new_reg_tick = gettick(); // server port open & binding login_fd = make_listen_bind(login_config.login_ip, login_config.login_port); ShowStatus("The login-server is "CL_GREEN"ready"CL_RESET" (Server is listening on the port %u).\n\n", login_config.login_port); return 0; }