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/*************************************************************************** |
/*************************************************************************** |
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login.c - description |
login.c - description |
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------------------- |
------------------- |
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begin : Mon Oct 20 2004 |
Copyright : (C) 2004-2025 by Leaflet |
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copyright : (C) 2004 by Leaflet |
Email : leaflet@leafok.com |
|
email : leaflet@leafok.com |
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***************************************************************************/ |
***************************************************************************/ |
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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
| 12 |
* the Free Software Foundation; either version 2 of the License, or * |
* the Free Software Foundation; either version 3 of the License, or * |
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* (at your option) any later version. * |
* (at your option) any later version. * |
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* * |
* * |
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***************************************************************************/ |
***************************************************************************/ |
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#include "login.h" |
#include "login.h" |
|
#include "register.h" |
|
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#include "bbs.h" |
#include "bbs.h" |
| 19 |
#include "user_priv.h" |
#include "user_priv.h" |
|
#include "reg_ex.h" |
|
| 20 |
#include "common.h" |
#include "common.h" |
| 21 |
#include "log.h" |
#include "log.h" |
| 22 |
#include "io.h" |
#include "io.h" |
| 23 |
#include "screen.h" |
#include "screen.h" |
| 24 |
#include "database.h" |
#include "database.h" |
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|
#include <ctype.h> |
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#include <string.h> |
#include <string.h> |
| 27 |
#include <mysql.h> |
#include <mysql.h> |
| 28 |
#include <regex.h> |
#include <regex.h> |
| 29 |
#include <unistd.h> |
#include <unistd.h> |
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|
|
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void login_fail() |
int bbs_login(MYSQL *db) |
|
{ |
|
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display_file(DATA_LOGIN_ERROR); |
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sleep(1); |
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} |
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int bbs_login() |
|
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{ |
{ |
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char username[BBS_username_max_len + 1]; |
char username[BBS_username_max_len + 1]; |
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char password[BBS_password_max_len + 1]; |
char password[BBS_password_max_len + 1]; |
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int count = 0; |
int count = 0; |
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int ok = 0; |
int ok = 0; |
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|
|
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// Input username |
for (; !SYS_server_exit && !ok && count < 3; count++) |
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while (!ok) |
|
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{ |
{ |
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prints("\033[1;33m请输入帐号\033[m(试用请输入 `\033[1;36mguest\033[m', " |
prints("\033[1;33m请输入帐号\033[m(试用请输入`\033[1;36mguest\033[m', " |
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"注册请输入`\033[1;31mnew\033[m'): "); |
"注册请输入`\033[1;31mnew\033[m'): "); |
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iflush(); |
iflush(); |
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|
|
| 44 |
str_input(username, sizeof(username) - 1, DOECHO); |
if (str_input(username, sizeof(username), DOECHO) < 0) |
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count++; |
{ |
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|
continue; |
| 47 |
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} |
| 48 |
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|
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if (strcmp(username, "guest") == 0) |
if (strcmp(username, "guest") == 0) |
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{ |
{ |
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MYSQL *db = db_open(); |
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if (db == NULL) |
|
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{ |
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return -1; |
|
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} |
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load_guest_info(db); |
load_guest_info(db); |
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mysql_close(db); |
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return 0; |
return 0; |
| 54 |
} |
} |
| 55 |
|
|
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if (strcmp(username, "new") == 0) |
if (strcmp(username, "new") == 0) |
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{ |
{ |
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if (user_register() == 0) |
display_file_ex(DATA_REGISTER, 1, 1); |
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{ |
|
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return 0; |
return 0; |
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} |
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else |
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{ |
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return -2; |
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} |
|
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} |
} |
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if (username[0] != '\0') |
if (username[0] != '\0') |
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{ |
{ |
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// Input password |
|
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prints("\033[1;37m请输入密码\033[m: "); |
prints("\033[1;37m请输入密码\033[m: "); |
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iflush(); |
iflush(); |
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|
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str_input(password, sizeof(password) - 1, NOECHO); |
if (str_input(password, sizeof(password), NOECHO) < 0) |
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MYSQL *db = db_open(); |
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if (db == NULL) |
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{ |
{ |
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return -1; |
continue; |
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} |
} |
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ok = (check_user(db, username, password) == 0); |
ok = (check_user(db, username, password) == 0); |
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mysql_close(db); |
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} |
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if (count >= 3 && !ok) |
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{ |
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login_fail(); |
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return -1; |
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} |
} |
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} |
} |
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if (!ok) |
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{ |
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display_file_ex(DATA_LOGIN_ERROR, 1, 0); |
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return -1; |
| 81 |
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} |
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log_std("User \"%s\"(%ld) login from %s:%d\n", |
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BBS_username, BBS_priv.uid, hostaddr_client, port_client); |
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return 0; |
return 0; |
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} |
} |
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|
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char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
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int ret; |
int ret; |
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long BBS_uid = 0; |
long BBS_uid = 0; |
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char client_addr[IP_ADDR_LEN]; |
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int i; |
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int ok = 1; |
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// Verify format |
// Verify format |
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if (ireg("^[A-Za-z][A-Za-z0-9]{2,11}$", username, 0, NULL) != 0 || |
for (i = 0; ok && username[i] != '\0'; i++) |
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ireg("^[A-Za-z0-9]{5,12}$", password, 0, NULL) != 0) |
{ |
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if (!(isalpha(username[i]) || (i > 0 && isdigit(username[i])))) |
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{ |
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ok = 0; |
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} |
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} |
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if (ok && (i < 3 || i > 12)) |
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{ |
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ok = 0; |
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} |
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for (i = 0; ok && password[i] != '\0'; i++) |
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{ |
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if (!isalnum(password[i])) |
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{ |
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ok = 0; |
| 117 |
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} |
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} |
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if (ok && (i < 5 || i > 12)) |
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{ |
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ok = 0; |
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} |
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if (!ok) |
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{ |
{ |
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prints("\033[1;31m用户名或密码格式错误...\033[m\r\n"); |
prints("\033[1;31m用户名或密码格式错误...\033[m\r\n"); |
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iflush(); |
iflush(); |
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return -1; |
return -1; |
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} |
} |
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|
|
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// Failed login attempts from the same source (subnet /24) during certain time period |
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strncpy(client_addr, hostaddr_client, sizeof(client_addr) - 1); |
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client_addr[sizeof(client_addr) - 1] = '\0'; |
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snprintf(sql, sizeof(sql), |
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"SELECT COUNT(*) AS err_count FROM user_err_login_log " |
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"WHERE login_dt >= SUBDATE(NOW(), INTERVAL 10 MINUTE) " |
| 151 |
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"AND login_ip LIKE '%s'", |
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ip_mask(client_addr, 1, '%')); |
| 153 |
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if (mysql_query(db, sql) != 0) |
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{ |
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log_error("Query user_list failed\n"); |
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return -1; |
| 157 |
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} |
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if ((rs = mysql_store_result(db)) == NULL) |
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{ |
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log_error("Get user_list data failed\n"); |
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return -1; |
| 162 |
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} |
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if ((row = mysql_fetch_row(rs))) |
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{ |
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if (atoi(row[0]) >= 2) |
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{ |
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mysql_free_result(rs); |
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|
| 169 |
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prints("\033[1;31m来源存在多次失败登陆尝试,请稍后再试\033[m\r\n"); |
| 170 |
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iflush(); |
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|
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return 1; |
| 173 |
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} |
| 174 |
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} |
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mysql_free_result(rs); |
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| 177 |
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// Failed login attempts against the current username during certain time period |
| 178 |
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snprintf(sql, sizeof(sql), |
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"SELECT COUNT(*) AS err_count FROM user_err_login_log " |
| 180 |
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"WHERE username = '%s' AND login_dt >= SUBDATE(NOW(), INTERVAL 1 DAY)", |
| 181 |
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username); |
| 182 |
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if (mysql_query(db, sql) != 0) |
| 183 |
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{ |
| 184 |
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log_error("Query user_list failed\n"); |
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return -1; |
| 186 |
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} |
| 187 |
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if ((rs = mysql_store_result(db)) == NULL) |
| 188 |
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{ |
| 189 |
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log_error("Get user_list data failed\n"); |
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return -1; |
| 191 |
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} |
| 192 |
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if ((row = mysql_fetch_row(rs))) |
| 193 |
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{ |
| 194 |
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if (atoi(row[0]) >= 5) |
| 195 |
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{ |
| 196 |
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mysql_free_result(rs); |
| 197 |
|
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| 198 |
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prints("\033[1;31m账户存在多次失败登陆尝试,请使用Web方式登录\033[m\r\n"); |
| 199 |
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iflush(); |
| 200 |
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|
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return 1; |
| 202 |
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} |
| 203 |
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} |
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mysql_free_result(rs); |
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|
|
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snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
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"SELECT UID, username, p_login FROM user_list " |
"SELECT UID, username, p_login FROM user_list " |
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"WHERE username = '%s' AND password = SHA2('%s', 256) AND enable", |
"WHERE username = '%s' AND password = SHA2('%s', 256) AND enable", |
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username, password); |
username, password); |
| 210 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
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{ |
{ |
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log_error("Query user_list failed\n"); |
log_error("Query user_list failed\n"); |
| 228 |
|
|
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// Add user login log |
// Add user login log |
| 230 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 231 |
"INSERT INTO user_login_log(UID, login_dt, login_ip) " |
"INSERT INTO user_login_log(UID, login_dt, login_ip) " |
| 232 |
"VALUES(%ld, NOW(), '%s')", |
"VALUES(%ld, NOW(), '%s')", |
| 233 |
BBS_uid, hostaddr_client); |
BBS_uid, hostaddr_client); |
| 234 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 235 |
{ |
{ |
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log_error("Insert into user_login_log failed\n"); |
log_error("Insert into user_login_log failed\n"); |
| 258 |
mysql_free_result(rs); |
mysql_free_result(rs); |
| 259 |
|
|
| 260 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 261 |
"INSERT INTO user_err_login_log(username, password, login_dt, login_ip) " |
"INSERT INTO user_err_login_log(username, password, login_dt, login_ip) " |
| 262 |
"VALUES('%s', '%s', NOW(), '%s')", |
"VALUES('%s', '%s', NOW(), '%s')", |
| 263 |
username, password, hostaddr_client); |
username, password, hostaddr_client); |
| 264 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 265 |
{ |
{ |
| 266 |
log_error("Insert into user_err_login_log failed\n"); |
log_error("Insert into user_err_login_log failed\n"); |
| 309 |
} |
} |
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|
|
| 311 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
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"UPDATE user_pubinfo SET visit_count = visit_count + 1, " |
"UPDATE user_pubinfo SET visit_count = visit_count + 1, " |
| 313 |
"last_login_dt = NOW() WHERE UID = %ld", |
"last_login_dt = NOW() WHERE UID = %ld", |
| 314 |
BBS_uid); |
BBS_uid); |
| 315 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 316 |
{ |
{ |
| 317 |
log_error("Update user_pubinfo failed\n"); |
log_error("Update user_pubinfo failed\n"); |
| 337 |
time_t last_login_dt; |
time_t last_login_dt; |
| 338 |
|
|
| 339 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 340 |
"SELECT life, UNIX_TIMESTAMP(last_login_dt) " |
"SELECT life, UNIX_TIMESTAMP(last_login_dt) " |
| 341 |
"FROM user_pubinfo WHERE UID = %ld", |
"FROM user_pubinfo WHERE UID = %ld", |
| 342 |
BBS_uid); |
BBS_uid); |
| 343 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 344 |
{ |
{ |
| 345 |
log_error("Query user_pubinfo failed\n"); |
log_error("Query user_pubinfo failed\n"); |
| 406 |
} |
} |
| 407 |
|
|
| 408 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 409 |
"INSERT INTO user_online(SID, UID, ip, login_tm, last_tm) " |
"INSERT INTO user_online(SID, UID, ip, login_tm, last_tm) " |
| 410 |
"VALUES('Telnet_Process_%d', %ld, '%s', NOW(), NOW())", |
"VALUES('Telnet_Process_%d', %ld, '%s', NOW(), NOW())", |
| 411 |
getpid(), BBS_priv.uid, hostaddr_client); |
getpid(), BBS_priv.uid, hostaddr_client); |
| 412 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 413 |
{ |
{ |
| 414 |
log_error("Add user_online failed\n"); |
log_error("Add user_online failed\n"); |
| 423 |
char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
| 424 |
|
|
| 425 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 426 |
"DELETE FROM user_online WHERE SID = 'Telnet_Process_%d'", |
"DELETE FROM user_online WHERE SID = 'Telnet_Process_%d'", |
| 427 |
getpid()); |
getpid()); |
| 428 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 429 |
{ |
{ |
| 430 |
log_error("Delete user_online failed\n"); |
log_error("Delete user_online failed\n"); |