547 lines
14 KiB
C
547 lines
14 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sqlite3.h>
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#include <ctype.h>
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#include <openssl/sha.h>
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#include "bbs.h"
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#include "inih/ini.h"
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extern struct bbs_config conf;
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char *hash_sha256(char *pass, char *salt) {
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char *buffer = (char *)malloc(strlen(pass) + strlen(salt) + 1);
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char *shash = (char *)malloc(66);
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unsigned char hash[SHA256_DIGEST_LENGTH];
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if (!buffer) {
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dolog("Out of memory!");
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exit(-1);
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}
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sprintf(buffer, "%s%s", pass, salt);
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SHA256_CTX sha256;
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SHA256_Init(&sha256);
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SHA256_Update(&sha256, buffer, strlen(buffer));
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SHA256_Final(hash, &sha256);
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int i = 0;
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for(i = 0; i < SHA256_DIGEST_LENGTH; i++) {
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sprintf(shash + (i * 2), "%02x", hash[i]);
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}
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shash[64] = 0;
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free(buffer);
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return shash;
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}
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void gen_salt(char **s) {
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FILE *fptr;
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int i;
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char c;
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*s = (char *)malloc(11);
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char *salt = *s;
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if (!salt) {
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dolog("Out of memory..");
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exit(-1);
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}
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fptr = fopen("/dev/urandom", "rb");
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if (!fptr) {
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dolog("Unable to open /dev/urandom!");
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exit(-1);
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}
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for (i=0;i<10;i++) {
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fread(&c, 1, 1, fptr);
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salt[i] = (char)((abs(c) % 93) + 33);
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}
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fclose(fptr);
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salt[10] = '\0';
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}
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static int secLevel(void* user, const char* section, const char* name,
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const char* value)
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{
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struct sec_level_t *conf = (struct sec_level_t *)user;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "time per day") == 0) {
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conf->timeperday = atoi(value);
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}
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}
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return 1;
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}
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int save_user(struct user_record *user) {
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char buffer[256];
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sqlite3 *db;
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sqlite3_stmt *res;
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int rc;
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char *update_sql = "UPDATE users SET password=?, salt=?, firstname=?,"
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"lastname=?, email=?, location=?, sec_level=?, last_on=?, time_left=?, cur_mail_conf=?, cur_mail_area=?, cur_file_dir=?, cur_file_sub=?, times_on=? where loginname LIKE ?";
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sprintf(buffer, "%s/users.sq3", conf.bbs_path);
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rc = sqlite3_open(buffer, &db);
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if (rc != SQLITE_OK) {
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dolog("Cannot open database: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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rc = sqlite3_prepare_v2(db, update_sql, -1, &res, 0);
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if (rc == SQLITE_OK) {
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sqlite3_bind_text(res, 1, user->password, -1, 0);
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sqlite3_bind_text(res, 2, user->salt, -1, 0);
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sqlite3_bind_text(res, 3, user->firstname, -1, 0);
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sqlite3_bind_text(res, 4, user->lastname, -1, 0);
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sqlite3_bind_text(res, 5, user->email, -1, 0);
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sqlite3_bind_text(res, 6, user->location, -1, 0);
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sqlite3_bind_int(res, 7, user->sec_level);
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sqlite3_bind_int(res, 8, user->laston);
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sqlite3_bind_int(res, 9, user->timeleft);
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sqlite3_bind_int(res, 10, user->cur_mail_conf);
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sqlite3_bind_int(res, 11, user->cur_mail_area);
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sqlite3_bind_int(res, 12, user->cur_file_dir);
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sqlite3_bind_int(res, 13, user->cur_file_sub);
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sqlite3_bind_int(res, 14, user->timeson);
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sqlite3_bind_text(res, 15, user->loginname, -1, 0);
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} else {
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dolog("Failed to execute statement: %s", sqlite3_errmsg(db));
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}
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rc = sqlite3_step(res);
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if (rc != SQLITE_DONE) {
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dolog("execution failed: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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sqlite3_close(db);
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return 1;
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}
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int inst_user(struct user_record *user) {
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char buffer[256];
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sqlite3 *db;
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sqlite3_stmt *res;
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int rc;
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char *create_sql = "CREATE TABLE IF NOT EXISTS users ("
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"Id INTEGER PRIMARY KEY,"
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"loginname TEXT COLLATE NOCASE,"
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"password TEXT,"
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"salt TEXT,"
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"firstname TEXT,"
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"lastname TEXT,"
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"email TEXT,"
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"location TEXT,"
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"sec_level INTEGER,"
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"last_on INTEGER,"
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"time_left INTEGER,"
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"cur_mail_conf INTEGER,"
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"cur_mail_area INTEGER,"
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"cur_file_sub INTEGER,"
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"cur_file_dir INTEGER,"
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"times_on INTEGER);";
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char *insert_sql = "INSERT INTO users (loginname, password, salt, firstname,"
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"lastname, email, location, sec_level, last_on, time_left, cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, times_on) VALUES(?,?, ?,?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
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char *err_msg = 0;
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sprintf(buffer, "%s/users.sq3", conf.bbs_path);
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rc = sqlite3_open(buffer, &db);
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if (rc != SQLITE_OK) {
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dolog("Cannot open database: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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rc = sqlite3_exec(db, create_sql, 0, 0, &err_msg);
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if (rc != SQLITE_OK ) {
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dolog("SQL error: %s", err_msg);
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sqlite3_free(err_msg);
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sqlite3_close(db);
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return 1;
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}
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rc = sqlite3_prepare_v2(db, insert_sql, -1, &res, 0);
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if (rc == SQLITE_OK) {
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sqlite3_bind_text(res, 1, user->loginname, -1, 0);
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sqlite3_bind_text(res, 2, user->password, -1, 0);
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sqlite3_bind_text(res, 3, user->salt, -1, 0);
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sqlite3_bind_text(res, 4, user->firstname, -1, 0);
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sqlite3_bind_text(res, 5, user->lastname, -1, 0);
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sqlite3_bind_text(res, 6, user->email, -1, 0);
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sqlite3_bind_text(res, 7, user->location, -1, 0);
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sqlite3_bind_int(res, 8, user->sec_level);
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sqlite3_bind_int(res, 9, user->laston);
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sqlite3_bind_int(res, 10, user->timeleft);
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sqlite3_bind_int(res, 11, user->cur_mail_conf);
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sqlite3_bind_int(res, 12, user->cur_mail_area);
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sqlite3_bind_int(res, 13, user->cur_file_dir);
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sqlite3_bind_int(res, 14, user->cur_file_sub);
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sqlite3_bind_int(res, 15, user->timeson);
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} else {
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dolog("Failed to execute statement: %s", sqlite3_errmsg(db));
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}
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rc = sqlite3_step(res);
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if (rc != SQLITE_DONE) {
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dolog("execution failed: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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user->id = sqlite3_last_insert_rowid(db);
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sqlite3_finalize(res);
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sqlite3_close(db);
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return 1;
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}
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struct user_record *check_user_pass(char *loginname, char *password) {
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struct user_record *user;
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char buffer[256];
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sqlite3 *db;
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sqlite3_stmt *res;
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int rc;
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char *sql = "SELECT Id, loginname, password, salt, firstname,"
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"lastname, email, location, sec_level, last_on, time_left, cur_mail_conf, cur_mail_area, cur_file_dir, cur_file_sub, times_on FROM users WHERE loginname LIKE ?";
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char *pass_hash;
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sprintf(buffer, "%s/users.sq3", conf.bbs_path);
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rc = sqlite3_open(buffer, &db);
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if (rc != SQLITE_OK) {
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dolog("Cannot open database: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
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if (rc == SQLITE_OK) {
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sqlite3_bind_text(res, 1, loginname, -1, 0);
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} else {
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dolog("Failed to execute statement: %s", sqlite3_errmsg(db));
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sqlite3_finalize(res);
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sqlite3_close(db);
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return NULL;
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}
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int step = sqlite3_step(res);
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if (step == SQLITE_ROW) {
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user = (struct user_record *)malloc(sizeof(struct user_record));
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user->id = sqlite3_column_int(res, 0);
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user->loginname = strdup((char *)sqlite3_column_text(res, 1));
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user->password = strdup((char *)sqlite3_column_text(res, 2));
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user->salt = strdup((char *)sqlite3_column_text(res, 3));
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user->firstname = strdup((char *)sqlite3_column_text(res, 4));
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user->lastname = strdup((char *)sqlite3_column_text(res, 5));
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user->email = strdup((char *)sqlite3_column_text(res, 6));
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user->location = strdup((char *)sqlite3_column_text(res, 7));
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user->sec_level = sqlite3_column_int(res, 8);
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user->laston = (time_t)sqlite3_column_int(res, 9);
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user->timeleft = sqlite3_column_int(res, 10);
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user->cur_mail_conf = sqlite3_column_int(res, 11);
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user->cur_mail_area = sqlite3_column_int(res, 12);
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user->cur_file_dir = sqlite3_column_int(res, 13);
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user->cur_file_sub = sqlite3_column_int(res, 14);
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user->timeson = sqlite3_column_int(res, 15);
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pass_hash = hash_sha256(password, user->salt);
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if (strcmp(pass_hash, user->password) != 0) {
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free(user->loginname);
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free(user->firstname);
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free(user->lastname);
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free(user->email);
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free(user->location);
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free(user->salt);
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free(user);
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free(pass_hash);
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sqlite3_finalize(res);
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sqlite3_close(db);
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return NULL;
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}
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free(pass_hash);
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} else {
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sqlite3_finalize(res);
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sqlite3_close(db);
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return NULL;
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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user->sec_info = (struct sec_level_t *)malloc(sizeof(struct sec_level_t));
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sprintf(buffer, "%s/config/s%d.ini", conf.bbs_path, user->sec_level);
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if (ini_parse(buffer, secLevel, user->sec_info) <0) {
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dolog("Unable to load sec Level ini (%s)!", buffer);
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exit(-1);
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}
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if (user->cur_mail_conf > conf.mail_conference_count) {
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user->cur_mail_conf = 0;
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}
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if (user->cur_file_dir > conf.file_directory_count) {
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user->cur_file_dir = 0;
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}
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if (user->cur_mail_area > conf.mail_conferences[user->cur_mail_conf]->mail_area_count) {
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user->cur_mail_area = 0;
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}
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if (user->cur_file_sub > conf.file_directories[user->cur_file_dir]->file_sub_count) {
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user->cur_file_sub = 0;
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}
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return user;
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}
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void list_users(struct user_record *user) {
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char buffer[256];
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sqlite3 *db;
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sqlite3_stmt *res;
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int rc;
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int i;
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char *sql = "SELECT loginname,location,times_on FROM users";
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sprintf(buffer, "%s/users.sq3", conf.bbs_path);
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rc = sqlite3_open(buffer, &db);
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if (rc != SQLITE_OK) {
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dolog("Cannot open database: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
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if (rc != SQLITE_OK) {
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dolog("Cannot prepare statement: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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s_printf("\e[2J\e[1;30m-------------------------------------------------------------------------------\e[0m\r\n");
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s_printf("User Name Location Times On\r\n");
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s_printf("\e[1;30m-------------------------------------------------------------------------------\e[0m\r\n");
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i = 0;
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while (sqlite3_step(res) == SQLITE_ROW) {
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s_printf("\e[1;37m%-16s \e[1;36m%-32s \e[1;32m%5d\r\n", sqlite3_column_text(res, 0), sqlite3_column_text(res, 1), sqlite3_column_int(res, 2));
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i++;
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if (i == 20) {
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s_printf("Press any key to continue...\r\n");
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s_getc();
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i = 0;
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}
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}
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s_printf("\e[1;30m-------------------------------------------------------------------------------\e[0m\r\n");
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sqlite3_finalize(res);
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sqlite3_close(db);
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s_printf("Press any key to continue...\r\n");
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s_getc();
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}
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int check_user(char *loginname) {
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char buffer[256];
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sqlite3 *db;
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sqlite3_stmt *res;
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int rc;
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char *sql = "SELECT * FROM users WHERE loginname = ?";
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sprintf(buffer, "%s/users.sq3", conf.bbs_path);
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rc = sqlite3_open(buffer, &db);
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if (rc != SQLITE_OK) {
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dolog("Cannot open database: %s", sqlite3_errmsg(db));
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sqlite3_close(db);
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exit(1);
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}
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rc = sqlite3_prepare_v2(db, sql, -1, &res, 0);
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if (rc == SQLITE_OK) {
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sqlite3_bind_text(res, 1, loginname, -1, 0);
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} else {
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dolog("Failed to execute statement: %s", sqlite3_errmsg(db));
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}
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int step = sqlite3_step(res);
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if (step == SQLITE_ROW) {
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sqlite3_finalize(res);
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sqlite3_close(db);
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return 0;
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}
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sqlite3_finalize(res);
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sqlite3_close(db);
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return 1;
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}
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struct user_record *new_user() {
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char buffer[256];
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struct user_record *user;
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int done = 0;
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char c;
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int nameok = 0;
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int passok = 0;
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int i;
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user = (struct user_record *)malloc(sizeof(struct user_record));
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s_printf("\r\n\r\n");
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s_displayansi("newuser");
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do {
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passok = 0;
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nameok = 0;
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do {
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s_printf("\r\nWhat is your login name: ");
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s_readstring(buffer, 16);
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s_printf("\r\n");
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if (strlen(buffer) < 3) {
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s_printf("Sorry, that name is too short.\r\n");
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continue;
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}
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for (i=0;i<strlen(buffer);i++) {
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if (!(tolower(buffer[i]) >= 97 && tolower(buffer[i]) <= 122)) {
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s_printf("Sorry, invalid character, can only use alpha characters.\r\n");
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nameok = 1;
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break;
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}
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}
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if (nameok == 1) {
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nameok = 0;
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continue;
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}
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if (strcasecmp(buffer, "unknown") == 0) {
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s_printf("Sorry, that name is reserved.\r\n");
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continue;
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}
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if (strcasecmp(buffer, "all") == 0) {
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s_printf("Sorry, that name is reserved.\r\n");
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continue;
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}
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if (strcasecmp(buffer, "new") == 0) {
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s_printf("Sorry, that name is reserved.\r\n");
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continue;
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}
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user->loginname = strdup(buffer);
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nameok = check_user(user->loginname);
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if (!nameok) {
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s_printf("Sorry, that name is in use.\r\n");
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free(user->loginname);
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memset(buffer, 0, 256);
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}
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} while (!nameok);
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s_printf("What is your first name: ");
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memset(buffer, 0, 256);
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s_readstring(buffer, 32);
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s_printf("\r\n");
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user->firstname = strdup(buffer);
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s_printf("What is your last name: ");
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memset(buffer, 0, 256);
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s_readstring(buffer, 32);
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s_printf("\r\n");
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user->lastname = strdup(buffer);
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s_printf("What is your e-mail address: ");
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memset(buffer, 0, 256);
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s_readstring(buffer, 64);
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s_printf("\r\n");
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user->email = strdup(buffer);
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s_printf("Where are you located: ");
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memset(buffer, 0, 256);
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s_readstring(buffer, 32);
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s_printf("\r\n");
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user->location = strdup(buffer);
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do {
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s_printf("What password would you like (at least 8 characters): ");
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memset(buffer, 0, 256);
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s_readstring(buffer, 16);
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s_printf("\r\n");
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if (strlen(buffer) >= 8) {
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passok = 1;
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} else {
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s_printf("Password too short!\r\n");
|
|
}
|
|
} while (!passok);
|
|
gen_salt(&user->salt);
|
|
user->password = hash_sha256(buffer, user->salt);
|
|
|
|
s_printf("You Entered:\r\n");
|
|
s_printf("-------------------------------------\r\n");
|
|
s_printf("Login Name: ");
|
|
s_printf(user->loginname);
|
|
s_printf("\r\nFirst Name: ");
|
|
s_printf(user->firstname);
|
|
s_printf("\r\nLast Name: ");
|
|
s_printf(user->lastname);
|
|
s_printf("\r\nE-mail: ");
|
|
s_printf(user->email);
|
|
s_printf("\r\nLocation: ");
|
|
s_printf(user->location);
|
|
s_printf("\r\n-------------------------------------\r\n");
|
|
s_printf("Is this Correct? (Y/N)");
|
|
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->sec_info = (struct sec_level_t *)malloc(sizeof(struct sec_level_t));
|
|
|
|
sprintf(buffer, "%s/config/s%d.ini", conf.bbs_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;
|
|
inst_user(user);
|
|
|
|
return user;
|
|
}
|