#include #include #include #include #include #include #include "bbs.h" #include "inih/ini.h" #if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER) #define EVP_MD_CTX_new EVP_MD_CTX_create #define EVP_MD_CTX_free EVP_MD_CTX_destroy #endif extern struct bbs_config conf; extern struct user_record *gUser; static void open_users_db_or_die(sqlite3 **db) { char *err_msg = NULL; int rc = 0; static const char *create_sql = "CREATE TABLE IF NOT EXISTS users (" "Id INTEGER PRIMARY KEY," "loginname TEXT COLLATE NOCASE," "password TEXT," "salt TEXT," "firstname TEXT," "lastname TEXT," "email TEXT," "location TEXT," "sec_level INTEGER," "last_on INTEGER," "time_left INTEGER," "cur_mail_conf INTEGER," "cur_mail_area INTEGER," "cur_file_sub INTEGER," "cur_file_dir INTEGER," "times_on INTEGER," "bwavepktno INTEGER," "archiver INTEGER," "protocol INTEGER," "nodemsgs INTEGER," "codepage INTEGER," "exteditor INTEGER," "bwavestyle INTEGER," "signature TEXT," "autosig INTEGER);"; char buffer[PATH_MAX]; snprintf(buffer, PATH_MAX, "%s/users.sq3", conf.bbs_path); if (sqlite3_open(buffer, db) != SQLITE_OK) { dolog("Cannot open database: %s", sqlite3_errmsg(*db)); sqlite3_close(*db); exit(1); } assert(db != NULL); sqlite3_busy_timeout(*db, 5000); rc = sqlite3_exec(*db, create_sql, 0, 0, &err_msg); if (rc != SQLITE_OK) { dolog("SQL error: %s", err_msg); sqlite3_free(err_msg); sqlite3_close(*db); exit(1); } } char *hash_sha256(char *pass, char *salt) { char *buffer = NULL; char *shash = NULL; unsigned char hash[EVP_MAX_MD_SIZE]; unsigned int length_of_hash = 0; int i; buffer = str2dup(pass, salt); EVP_MD_CTX *context = EVP_MD_CTX_new(); if (context != NULL) { if (EVP_DigestInit_ex(context, EVP_sha256(), NULL)) { if (EVP_DigestUpdate(context, buffer, strlen(buffer))) { if (EVP_DigestFinal_ex(context, hash, &length_of_hash)) { stralloc shash = EMPTY_STRALLOC; for (i = 0; i < length_of_hash; i++) stralloc_cat_byte(&shash, hash[i]); stralloc_0(&shash); EVP_MD_CTX_free(context); free(buffer); return shash.s; } } } EVP_MD_CTX_free(context); } free(buffer); dolog("Error creating hash!"); exit(-1); } void gen_salt(char **s) { FILE *fptr; int i; char c; *s = (char *)malloz(11); char *salt = *s; if (!salt) { dolog("Out of memory.."); exit(-1); } fptr = fopen("/dev/urandom", "rb"); if (!fptr) { dolog("Unable to open /dev/urandom!"); exit(-1); } for (i = 0; i < 10; i++) { fread(&c, 1, 1, fptr); salt[i] = (char)((abs(c) % 93) + 33); } fclose(fptr); salt[10] = '\0'; } static int secLevel(void *user, const char *section, const char *name, const char *value) { struct sec_level_t *conf = (struct sec_level_t *)user; if (strcasecmp(section, "main") == 0) { if (strcasecmp(name, "time per day") == 0) { conf->timeperday = atoi(value); } } return 1; } int save_user(struct user_record *user) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; const char *update_sql = "UPDATE users SET password=?, salt=?, firstname=?," "lastname=?, email=?, location=?, sec_level=?, last_on=?, " "time_left=?, cur_mail_conf=?, cur_mail_area=?, " "cur_file_dir=?, cur_file_sub=?, times_on=?, bwavepktno=?, " "archiver=?, protocol=?,nodemsgs=?,codepage=?,exteditor=?," "bwavestyle=?,signature=?,autosig=? where loginname LIKE ?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, update_sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Failed to prepare statement: %s", sqlite3_errmsg(db)); sqlite3_close(db); exit(1); } sqlite3_bind_text(res, 1, user->password, -1, 0); sqlite3_bind_text(res, 2, user->salt, -1, 0); sqlite3_bind_text(res, 3, user->firstname, -1, 0); sqlite3_bind_text(res, 4, user->lastname, -1, 0); sqlite3_bind_text(res, 5, user->email, -1, 0); sqlite3_bind_text(res, 6, user->location, -1, 0); sqlite3_bind_int(res, 7, user->sec_level); sqlite3_bind_int(res, 8, user->laston); sqlite3_bind_int(res, 9, user->timeleft); sqlite3_bind_int(res, 10, user->cur_mail_conf); sqlite3_bind_int(res, 11, user->cur_mail_area); sqlite3_bind_int(res, 12, user->cur_file_dir); sqlite3_bind_int(res, 13, user->cur_file_sub); sqlite3_bind_int(res, 14, user->timeson); sqlite3_bind_int(res, 15, user->bwavepktno); sqlite3_bind_int(res, 16, user->defarchiver); sqlite3_bind_int(res, 17, user->defprotocol); sqlite3_bind_int(res, 18, user->nodemsgs); sqlite3_bind_int(res, 19, user->codepage); sqlite3_bind_int(res, 20, user->exteditor); sqlite3_bind_int(res, 21, user->bwavestyle); sqlite3_bind_text(res, 22, user->signature, -1, 0); sqlite3_bind_int(res, 23, user->autosig); sqlite3_bind_text(res, 24, user->loginname, -1, 0); rc = sqlite3_step(res); if (rc != SQLITE_DONE) { sqlite3_finalize(res); dolog("execution failed: %s", sqlite3_errmsg(db)); sqlite3_close(db); exit(1); } sqlite3_finalize(res); sqlite3_close(db); return 1; } int msgbase_flag_unflag(struct user_record *user, int conference, int msgbase, int msgid) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; char *err_msg = NULL; int flagunflag = 0; static const char *create_sql = "CREATE TABLE IF NOT EXISTS msg_flags (conference INTEGER, msgbase INTEGER, uid INTEGER, msg INTEGER);"; flagunflag = msgbase_is_flagged(user, conference, msgbase, msgid); open_users_db_or_die(&db); rc = sqlite3_exec(db, create_sql, 0, 0, &err_msg); if (rc != SQLITE_OK) { dolog("SQL error: %s", err_msg); sqlite3_free(err_msg); sqlite3_close(db); return 0; } if (flagunflag == 1) { static const char *unflag_buf = "DELETE FROM msg_flags WHERE conference=? AND msgbase=? AND uid=? AND msg=?"; rc = sqlite3_prepare_v2(db, unflag_buf, -1, &res, 0); } else { static const char *flag_buf = "INSERT INTO msg_flags (conference, msgbase, uid, msg) VALUES(?, ?, ?, ?)"; rc = sqlite3_prepare_v2(db, flag_buf, -1, &res, 0); } sqlite3_bind_int(res, 1, conference); sqlite3_bind_int(res, 2, msgbase); sqlite3_bind_int(res, 3, user->id); sqlite3_bind_int(res, 4, msgid); rc = sqlite3_step(res); sqlite3_finalize(res); sqlite3_close(db); return 1; } int msgbase_is_flagged(struct user_record *user, int conference, int msgbase, int msgid) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *sql_buf = "SELECT * FROM msg_flags WHERE conference=? AND msgbase=? AND uid=? AND msg=?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql_buf, -1, &res, 0); if (rc != SQLITE_OK) { sqlite3_close(db); return 0; } sqlite3_bind_int(res, 1, conference); sqlite3_bind_int(res, 2, msgbase); sqlite3_bind_int(res, 3, user->id); sqlite3_bind_int(res, 4, msgid); if (sqlite3_step(res) != SQLITE_ROW) { sqlite3_finalize(res); sqlite3_close(db); return 0; } sqlite3_finalize(res); sqlite3_close(db); return 1; } int msgbase_sub_unsub(int conference, int msgbase) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *create_sql = "CREATE TABLE IF NOT EXISTS msg_subs (conference INTEGER, msgbase INTEGER, uid INTEGER);"; char *err_msg = NULL; int subunsub = msgbase_is_subscribed(conference, msgbase); open_users_db_or_die(&db); rc = sqlite3_exec(db, create_sql, 0, 0, &err_msg); if (rc != SQLITE_OK) { dolog("SQL error: %s", err_msg); sqlite3_free(err_msg); sqlite3_close(db); return 0; } if (subunsub == 1) { static char *unsub_buf = "DELETE FROM msg_subs WHERE conference=? AND msgbase=? AND uid=?"; rc = sqlite3_prepare_v2(db, unsub_buf, -1, &res, 0); } else { static const char *sub_buf = "INSERT INTO msg_subs (conference, msgbase, uid) VALUES(?, ?, ?)"; rc = sqlite3_prepare_v2(db, sub_buf, -1, &res, 0); } sqlite3_bind_int(res, 1, conference); sqlite3_bind_int(res, 2, msgbase); sqlite3_bind_int(res, 3, gUser->id); rc = sqlite3_step(res); sqlite3_finalize(res); sqlite3_close(db); return 1; } int msgbase_is_subscribed(int conference, int msgbase) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *sql_buf = "SELECT * FROM msg_subs WHERE conference=? AND msgbase=? AND uid=?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql_buf, -1, &res, 0); if (rc != SQLITE_OK) { sqlite3_close(db); return 0; } sqlite3_bind_int(res, 1, conference); sqlite3_bind_int(res, 2, msgbase); sqlite3_bind_int(res, 3, gUser->id); if (sqlite3_step(res) != SQLITE_ROW) { sqlite3_finalize(res); sqlite3_close(db); return 0; } sqlite3_finalize(res); sqlite3_close(db); return 1; } int inst_user(struct user_record *user) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; char *err_msg = NULL; int rc = 0; static const char *insert_sql = "INSERT INTO users (loginname, password, salt, firstname," "lastname, email, location, sec_level, last_on, time_left, " "cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, " "times_on, bwavepktno, archiver, protocol, nodemsgs, " "codepage, exteditor, bwavestyle, signature, autosig) " "VALUES(?,?, ?,?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, insert_sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Failed to execute statement: %s", sqlite3_errmsg(db)); sqlite3_close(db); exit(1); } sqlite3_bind_text(res, 1, user->loginname, -1, 0); sqlite3_bind_text(res, 2, user->password, -1, 0); sqlite3_bind_text(res, 3, user->salt, -1, 0); sqlite3_bind_text(res, 4, user->firstname, -1, 0); sqlite3_bind_text(res, 5, user->lastname, -1, 0); sqlite3_bind_text(res, 6, user->email, -1, 0); sqlite3_bind_text(res, 7, user->location, -1, 0); sqlite3_bind_int(res, 8, user->sec_level); sqlite3_bind_int(res, 9, user->laston); sqlite3_bind_int(res, 10, user->timeleft); sqlite3_bind_int(res, 11, user->cur_mail_conf); sqlite3_bind_int(res, 12, user->cur_mail_area); sqlite3_bind_int(res, 13, user->cur_file_dir); sqlite3_bind_int(res, 14, user->cur_file_sub); sqlite3_bind_int(res, 15, user->timeson); sqlite3_bind_int(res, 16, user->bwavepktno); sqlite3_bind_int(res, 17, user->defarchiver); sqlite3_bind_int(res, 18, user->defprotocol); sqlite3_bind_int(res, 19, user->nodemsgs); sqlite3_bind_int(res, 20, user->codepage); sqlite3_bind_int(res, 21, user->exteditor); sqlite3_bind_int(res, 22, user->bwavestyle); sqlite3_bind_text(res, 23, user->signature, -1, 0); sqlite3_bind_int(res, 24, user->autosig); rc = sqlite3_step(res); if (rc != SQLITE_DONE) { dolog("execution failed: %s", sqlite3_errmsg(db)); sqlite3_close(db); exit(1); } user->id = sqlite3_last_insert_rowid(db); sqlite3_finalize(res); sqlite3_close(db); return 1; } struct user_record *check_user_pass(char *loginname, char *password) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = NULL; int pass_ok = 0; char pathbuf[PATH_MAX]; static const char *sql = "SELECT Id, loginname, password, salt, firstname," "lastname, email, location, sec_level, last_on, time_left, " "cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, " "times_on, bwavepktno, archiver, protocol,nodemsgs, " "codepage, exteditor, bwavestyle, signature, autosig " "FROM users WHERE loginname LIKE ?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Failed to execute statement: %s", sqlite3_errmsg(db)); sqlite3_finalize(res); sqlite3_close(db); return NULL; } sqlite3_bind_text(res, 1, loginname, -1, 0); int step = sqlite3_step(res); if (step != SQLITE_ROW) { sqlite3_finalize(res); sqlite3_close(db); return NULL; } struct user_record *user = malloz(sizeof(struct user_record)); user->id = sqlite3_column_int(res, 0); user->loginname = strdup((char *)sqlite3_column_text(res, 1)); user->password = strdup((char *)sqlite3_column_text(res, 2)); user->salt = strdup((char *)sqlite3_column_text(res, 3)); user->firstname = strdup((char *)sqlite3_column_text(res, 4)); user->lastname = strdup((char *)sqlite3_column_text(res, 5)); user->email = strdup((char *)sqlite3_column_text(res, 6)); user->location = strdup((char *)sqlite3_column_text(res, 7)); user->sec_level = sqlite3_column_int(res, 8); user->laston = (time_t)sqlite3_column_int(res, 9); user->timeleft = sqlite3_column_int(res, 10); user->cur_mail_conf = sqlite3_column_int(res, 11); user->cur_mail_area = sqlite3_column_int(res, 12); user->cur_file_dir = sqlite3_column_int(res, 13); user->cur_file_sub = sqlite3_column_int(res, 14); user->timeson = sqlite3_column_int(res, 15); user->bwavepktno = sqlite3_column_int(res, 16); user->defarchiver = sqlite3_column_int(res, 17); user->defprotocol = sqlite3_column_int(res, 18); user->nodemsgs = sqlite3_column_int(res, 19); user->codepage = sqlite3_column_int(res, 20); user->exteditor = sqlite3_column_int(res, 21); user->bwavestyle = sqlite3_column_int(res, 22); user->signature = strdup((char *)sqlite3_column_text(res, 23)); user->autosig = sqlite3_column_int(res, 24); char *pass_hash = hash_sha256(password, user->salt); if (strcmp(pass_hash, user->password) != 0) { free(user->loginname); free(user->firstname); free(user->lastname); free(user->email); free(user->location); free(user->salt); free(user->signature); free(user); free(pass_hash); sqlite3_finalize(res); sqlite3_close(db); return NULL; } free(pass_hash); sqlite3_finalize(res); sqlite3_close(db); user->sec_info = (struct sec_level_t *)malloz(sizeof(struct sec_level_t)); snprintf(pathbuf, sizeof pathbuf, "%s/s%d.ini", conf.config_path, user->sec_level); if (ini_parse(pathbuf, secLevel, user->sec_info) < 0) { dolog("Unable to load sec Level ini (%s)!", pathbuf); exit(-1); } if (user->cur_mail_conf >= ptr_vector_len(&conf.mail_conferences)) { user->cur_mail_conf = 0; } if (user->cur_file_dir >= ptr_vector_len(&conf.file_directories)) { user->cur_file_dir = 0; } struct mail_conference *mc = ptr_vector_get(&conf.mail_conferences, user->cur_mail_conf); assert(mc != NULL); if (user->cur_mail_area >= ptr_vector_len(&mc->mail_areas)) { user->cur_mail_area = 0; } struct file_directory *dir = ptr_vector_get(&conf.file_directories, user->cur_file_dir); assert(dir != NULL); if (user->cur_file_sub >= ptr_vector_len(&dir->file_subs)) { user->cur_file_sub = 0; } return user; } void list_users(struct user_record *user) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *sql = "SELECT loginname,location,times_on FROM users"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Cannot prepare statement: %s", sqlite3_errmsg(db)); sqlite3_close(db); exit(1); } s_printf(get_string(161)); s_printf(get_string(162)); s_printf(get_string(163)); for (int i = 0; sqlite3_step(res) == SQLITE_ROW; ++i) { s_printf(get_string(164), sqlite3_column_text(res, 0), sqlite3_column_text(res, 1), sqlite3_column_int(res, 2)); if (i == 20) { s_printf(get_string(6)); s_getc(); i = 0; } } s_printf(get_string(165)); sqlite3_finalize(res); sqlite3_close(db); s_printf(get_string(6)); s_getc(); } int check_fullname_j(char *firstandlastname) { char *firstname = strdup(firstandlastname); if (!firstname) { return 0; } char *lastname = strchr(firstname, ' '); int ret; if (lastname == NULL) { return 0; } *lastname = '\0'; lastname++; ret = check_fullname(firstname, lastname); free(firstname); return ret; } int check_fullname(char *firstname, char *lastname) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *sql = "SELECT * FROM users WHERE firstname = ? AND lastname = ?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Failed to prepare statement: %s", sqlite3_errmsg(db)); sqlite3_close(db); return 0; } sqlite3_bind_text(res, 1, firstname, -1, 0); sqlite3_bind_text(res, 2, lastname, -1, 0); int step = sqlite3_step(res); sqlite3_finalize(res); sqlite3_close(db); return (step != SQLITE_ROW); } int check_user(char *loginname) { sqlite3 *db = NULL; sqlite3_stmt *res = NULL; int rc = 0; static const char *sql = "SELECT * FROM users WHERE loginname = ?"; open_users_db_or_die(&db); rc = sqlite3_prepare_v2(db, sql, -1, &res, 0); if (rc != SQLITE_OK) { dolog("Failed to execute statement: %s", sqlite3_errmsg(db)); sqlite3_close(db); return 0; } sqlite3_bind_text(res, 1, loginname, -1, 0); int step = sqlite3_step(res); sqlite3_finalize(res); sqlite3_close(db); return (step != SQLITE_ROW); } struct user_record *new_user() { char buffer[PATH_MAX]; struct user_record *user; int done = 0; char c; int nameok = 0; int passok = 0; int i; int fullnameok = 0; user = (struct user_record *)malloz(sizeof(struct user_record)); s_printf("\r\n\r\n"); s_displayansi("newuser"); do { passok = 0; nameok = 0; do { s_printf(get_string(166)); s_readstring(buffer, 16); s_printf("\r\n"); if (strlen(buffer) < 2) { s_printf(get_string(167)); continue; } if (buffer[0] == ' ' || buffer[strlen(buffer) - 1] == ' ') { s_printf(get_string(240)); continue; } for (const char *p = buffer; *p != '\0'; ++p) { if (!(tolower(*p) >= 97 && tolower(*p) <= 122) && *p != 32 && !(*p >= '0' && *p <= '9')) { s_printf(get_string(168)); nameok = 1; break; } } if (nameok == 1) { nameok = 0; continue; } if (strcasecmp(buffer, "unknown") == 0) { s_printf(get_string(169)); continue; } if (strcasecmp(buffer, "all") == 0) { s_printf(get_string(169)); continue; } if (strcasecmp(buffer, "new") == 0) { s_printf(get_string(169)); continue; } if (strcasecmp(buffer, "anonymous") == 0) { s_printf(get_string(169)); continue; } if (strcasecmp(buffer, "ftp") == 0) { s_printf(get_string(169)); continue; } user->loginname = strdup(buffer); nameok = check_user(user->loginname); if (!nameok) { s_printf(get_string(170)); free(user->loginname); memset(buffer, 0, 256); } } while (!nameok); do { nameok = 0; do { s_printf(get_string(171)); memset(buffer, 0, 256); s_readstring(buffer, 32); if (buffer[0] == ' ' || buffer[strlen(buffer) - 1] == ' ') { s_printf(get_string(241)); continue; } if (strlen(buffer) == 0) { s_printf(get_string(167)); continue; } if (strchr(buffer, ' ') != NULL) { s_printf(get_string(244)); continue; } s_printf("\r\n"); user->firstname = strdup(buffer); nameok = 1; } while (!nameok); nameok = 0; do { s_printf(get_string(172)); memset(buffer, 0, 256); s_readstring(buffer, 32); if (buffer[0] == ' ' || buffer[strlen(buffer) - 1] == ' ') { s_printf(get_string(242)); continue; } if (strlen(buffer) == 0) { s_printf(get_string(167)); continue; } if (strchr(buffer, ' ') != NULL) { s_printf(get_string(244)); continue; } s_printf("\r\n"); nameok = 1; user->lastname = strdup(buffer); } while (!nameok); fullnameok = check_fullname(user->firstname, user->lastname); if (!fullnameok) { free(user->firstname); free(user->lastname); s_printf(get_string(243)); } } while (!fullnameok); s_printf(get_string(173)); memset(buffer, 0, 256); s_readstring(buffer, 64); s_printf("\r\n"); user->email = strdup(buffer); s_printf(get_string(174)); memset(buffer, 0, 256); s_readstring(buffer, 32); s_printf("\r\n"); user->location = strdup(buffer); do { s_printf(get_string(175)); memset(buffer, 0, 256); s_readstring(buffer, 16); s_printf("\r\n"); if (strlen(buffer) >= 8) { passok = 1; } else { s_printf(get_string(158)); } } while (!passok); gen_salt(&user->salt); user->password = hash_sha256(buffer, user->salt); s_printf(get_string(176)); s_printf(get_string(177)); s_printf(get_string(178)); s_printf(user->loginname); s_printf(get_string(179)); s_printf(user->firstname); s_printf(get_string(180)); s_printf(user->lastname); s_printf(get_string(181)); s_printf(user->email); s_printf(get_string(182)); s_printf(user->location); s_printf(get_string(183)); s_printf(get_string(184)); c = s_getchar(); while (tolower(c) != 'y' && tolower(c) != 'n') { c = s_getchar(); } if (tolower(c) == 'y') { done = 1; } } while (!done); user->sec_level = conf.newuserlvl; user->bwavepktno = 0; user->sec_info = (struct sec_level_t *)malloz(sizeof(struct sec_level_t)); snprintf(buffer, PATH_MAX, "%s/s%d.ini", conf.config_path, user->sec_level); if (ini_parse(buffer, secLevel, user->sec_info) < 0) { dolog("Unable to load sec Level ini (%s)!", buffer); exit(-1); } user->laston = time(NULL); user->timeleft = user->sec_info->timeperday; user->cur_file_dir = 0; user->cur_file_sub = 0; user->cur_mail_area = 0; user->cur_mail_conf = 0; user->timeson = 0; user->defprotocol = 1; user->defarchiver = 1; user->nodemsgs = 1; user->codepage = conf.codepage; user->exteditor = 2; user->bwavestyle = 0; user->signature = strdup(""); user->autosig = 0; inst_user(user); return user; }