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/*************************************************************************** |
/*************************************************************************** |
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main.c - description |
login.c - description |
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------------------- |
------------------- |
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begin : Mon Oct 11 2004 |
begin : Mon Oct 20 2004 |
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copyright : (C) 2004 by Leaflet |
copyright : (C) 2004 by Leaflet |
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email : leaflet@leafok.com |
email : leaflet@leafok.com |
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***************************************************************************/ |
***************************************************************************/ |
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/*************************************************************************** |
/*************************************************************************** |
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#include "bbs.h" |
#include "bbs.h" |
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#include "common.h" |
#include "common.h" |
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#include "io.h" |
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#include "database.h" |
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#include <mysql.h> |
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#include <regex.h> |
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int |
void login_fail() |
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bbs_login() |
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{ |
{ |
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return 0; |
char temp[256]; |
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strcpy(temp, app_home_dir); |
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strcat(temp, "data/login_error.txt"); |
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display_file(temp); |
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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[20], password[20]; |
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int count, ok; |
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// Input username |
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count = 0; |
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ok = 0; |
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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', " |
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"注册请输入`\033[1;31mnew\033[m'): "); |
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iflush(); |
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str_input(username, 19, DOECHO); |
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count++; |
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if (strcmp(username, "guest") == 0) |
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{ |
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load_guest_info(); |
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return 0; |
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} |
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if (strcmp(username, "new") == 0) |
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{ |
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if (user_register() == 0) |
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return 0; |
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else |
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return -2; |
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} |
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if (strlen(username) > 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: "); |
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iflush(); |
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str_input(password, 19, NOECHO); |
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ok = (check_user(username, password) == 0); |
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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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return 0; |
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} |
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int check_user(char *username, char *password) |
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{ |
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MYSQL *db; |
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MYSQL_RES *rs; |
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MYSQL_ROW row; |
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char sql[1024]; |
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long int BBS_uid; |
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int ret; |
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// Verify format |
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if (ireg("^[A-Za-z0-9_]{3,14}$", username, 0, NULL) != 0 || |
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ireg("^[A-Za-z0-9]{5,12}$", password, 0, NULL) != 0) |
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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"); |
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iflush(); |
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return 1; |
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} |
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db = (MYSQL *)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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sprintf(sql, |
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"select UID,username,p_login from user_list where username='%s' " |
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"and (password=MD5('%s') or password=SHA2('%s', 256)) and " |
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"enable", |
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username, password, password); |
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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; |
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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; |
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} |
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if (row = mysql_fetch_row(rs)) |
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{ |
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BBS_uid = atol(row[0]); |
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strcpy(BBS_username, row[1]); |
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if (atoi(row[2]) == 0) |
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{ |
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mysql_free_result(rs); |
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mysql_close(db); |
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prints("\033[1;31m您目前无权登陆...\033[m\r\n"); |
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iflush(); |
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return 1; |
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} |
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} |
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else |
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{ |
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mysql_free_result(rs); |
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sprintf(sql, |
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"insert into user_err_login_log" |
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"(username,password,login_dt,login_ip) values" |
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"('%s','%s',now(),'%s')", |
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username, password, hostaddr_client); |
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if (mysql_query(db, sql) != 0) |
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{ |
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log_error("Insert into user_err_login_log failed\n"); |
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return -1; |
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} |
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mysql_close(db); |
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prints("\033[1;31m错误的用户名或密码...\033[m\r\n"); |
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iflush(); |
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return 1; |
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} |
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mysql_free_result(rs); |
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ret = load_user_info(db, BBS_uid); |
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switch (ret) |
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{ |
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case 0: // Login successfully |
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return 0; |
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break; |
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case -1: // Load data error |
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prints("\033[1;31m读取用户数据错误...\033[m\r\n"); |
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iflush(); |
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return -1; |
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break; |
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case -2: // Unused |
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return 0; |
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break; |
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case -3: // Dead |
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prints("\033[1;31m很遗憾,您已经永远离开了我们的世界!\033[m\r\n"); |
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iflush(); |
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return 1; |
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default: |
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return -2; |
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} |
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mysql_close(db); |
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return 0; |
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} |
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int load_user_info(MYSQL *db, long int BBS_uid) |
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{ |
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MYSQL_RES *rs; |
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MYSQL_ROW row; |
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char sql[1024]; |
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long int BBS_auth_uid = 0; |
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int life; |
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time_t last_login_dt; |
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sprintf(sql, |
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"select life,UNIX_TIMESTAMP(last_login_dt) " |
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"from user_pubinfo where UID=%ld limit 1", |
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BBS_uid); |
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if (mysql_query(db, sql) != 0) |
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{ |
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log_error("Query user_pubinfo failed\n"); |
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return -1; |
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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_pubinfo data failed\n"); |
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return -1; |
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} |
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if (row = mysql_fetch_row(rs)) |
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{ |
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life = atoi(row[0]); |
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last_login_dt = (time_t)atol(row[1]); |
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} |
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else |
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{ |
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mysql_free_result(rs); |
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return (-1); // Data not found |
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} |
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mysql_free_result(rs); |
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if (time(0) - last_login_dt >= 60 * 60 * 24 * life) |
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{ |
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return (-3); // Dead |
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} |
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sprintf(sql, |
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"insert into user_login_log" |
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"(uid,login_dt,login_ip) values(%ld" |
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",now(),'%s')", |
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BBS_uid, hostaddr_client); |
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if (mysql_query(db, sql) != 0) |
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{ |
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log_error("Insert into user_login_log failed\n"); |
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return -1; |
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} |
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load_priv(db, &BBS_priv, BBS_uid); |
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BBS_last_access_tm = BBS_login_tm = time(0); |
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BBS_last_sub_tm = time(0) - 60; |
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sprintf(sql, |
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"update user_pubinfo set visit_count=visit_count+1," |
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"last_login_dt=now() where uid=%ld", |
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BBS_uid); |
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if (mysql_query(db, sql) != 0) |
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{ |
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log_error("Update user_pubinfo failed\n"); |
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return -1; |
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} |
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return 0; |
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} |
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int load_guest_info(MYSQL *db, long int BBS_uid) |
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{ |
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MYSQL_RES *rs; |
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MYSQL_ROW row; |
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db = (MYSQL *)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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strcpy(BBS_username, "guest"); |
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load_priv(db, &BBS_priv, 0, 0, S_NONE); |
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BBS_last_access_tm = BBS_login_tm = time(0); |
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BBS_last_sub_tm = time(0) - 60; |
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mysql_close(db); |
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return 0; |
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} |
} |