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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* bbs_main
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* - entry and major procedures of user interactive access
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*
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* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "article_favor.h"
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#include "article_view_log.h"
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#include "bbs.h"
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#include "bbs_cmd.h"
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#include "bbs_main.h"
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#include "bwf.h"
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#include "common.h"
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#include "database.h"
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#include "editor.h"
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#include "io.h"
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#include "log.h"
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#include "login.h"
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#include "menu.h"
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#include "screen.h"
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#include "section_list.h"
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#include "section_list_display.h"
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#include "str_process.h"
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#include "trie_dict.h"
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#include "user_list.h"
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#include "user_priv.h"
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#include <ctype.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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static void child_proc_sig_usr1_handler(int i)
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{
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// Restart log
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if (log_restart() < 0)
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{
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log_error("Restart logging failed\n");
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}
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}
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int bbs_info()
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{
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prints("\r\n欢迎光临 \033[1;33m%s \033[32m[%s] \033[37m(%s)\033[m\r\n",
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BBS_name, BBS_server, APP_INFO);
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return iflush();
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}
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int bbs_welcome(void)
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{
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int u_online = 0;
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int u_anonymous = 0;
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int u_total = 0;
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int u_login_count = 0;
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if (get_user_online_list_count(&u_online, &u_anonymous) < 0)
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{
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log_error("get_user_online_list_count() error\n");
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u_online = 0;
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}
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u_online += u_anonymous;
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u_online++; // current user
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if (BBS_priv.uid == 0)
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{
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u_anonymous++;
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}
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if (get_user_list_count(&u_total) < 0)
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{
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log_error("get_user_list_count() error\n");
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u_total = 0;
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}
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if (get_user_login_count(&u_login_count) < 0)
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{
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log_error("get_user_login_count() error\n");
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u_login_count = 0;
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}
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// Display logo
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display_file(DATA_WELCOME, 2);
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// Display welcome message
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prints("\r\033[1;35m欢迎光临\033[33m 【 %s 】 \033[35mBBS\r\n"
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"\033[32m目前上站人数 [\033[36m%d/%d\033[32m] "
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"匿名游客[\033[36m%d\033[32m] "
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"注册用户数[\033[36m%d/%d\033[32m]\r\n"
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"从 [\033[36m%s\033[32m] 起，累计访问人次: [\033[36m%d\033[32m]\033[m\r\n",
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BBS_name, u_online, BBS_max_client, u_anonymous, u_total,
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BBS_max_user_count, BBS_start_dt, u_login_count);
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iflush();
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return 0;
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}
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int bbs_logout(void)
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{
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MYSQL *db;
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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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if (user_online_exp(db) < 0)
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{
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return -2;
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}
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mysql_close(db);
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display_file(DATA_GOODBYE, 1);
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log_common("User [%s] (uid=%d) logout, idle for %ld seconds since last input\n",
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BBS_username, BBS_priv.uid, time(NULL) - BBS_last_access_tm);
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return 0;
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}
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int bbs_session_cleanup(void)
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{
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MYSQL *db;
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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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if (user_online_del(db) < 0)
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{
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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 bbs_center()
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{
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int ch;
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int loop;
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time_t t_last_action;
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BBS_last_access_tm = t_last_action = time(NULL);
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clearscr();
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show_top("", BBS_name, "");
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show_active_board();
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show_bottom("");
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display_menu(&bbs_menu);
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iflush();
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for (loop = 1; !SYS_server_exit && loop;)
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{
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ch = igetch(100);
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if (ch != KEY_NULL && ch != KEY_TIMEOUT)
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{
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BBS_last_access_tm = time(NULL);
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#ifdef _DEBUG
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log_error("Debug: BBS_last_access_tm is updated\n");
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#endif
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}
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if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
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{
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t_last_action = time(NULL);
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show_active_board();
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show_bottom("");
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display_menu_cursor(&bbs_menu, 1);
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iflush();
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}
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if (user_online_update("MENU") < 0)
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{
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log_error("user_online_update(MENU) error\n");
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}
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switch (ch)
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{
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case KEY_NULL: // broken pipe
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#ifdef _DEBUG
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log_error("KEY_NULL\n");
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#endif
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loop = 0;
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break;
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case KEY_TIMEOUT:
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if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
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{
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log_error("User input timeout\n");
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loop = 0;
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break;
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}
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continue;
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case CR:
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default:
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switch (menu_control(&bbs_menu, ch))
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{
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case EXITBBS:
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case EXITMENU:
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loop = 0;
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break;
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case REDRAW:
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t_last_action = time(NULL);
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clearscr();
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show_top("", BBS_name, "");
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show_active_board();
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show_bottom("");
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display_menu(&bbs_menu);
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break;
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case NOREDRAW:
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case UNKNOWN_CMD:
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default:
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break;
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}
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iflush();
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}
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}
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return 0;
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}
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int bbs_charset_select()
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{
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char msg[LINE_BUFFER_LEN];
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int ch;
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snprintf(msg, sizeof(msg),
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"\rChoose character set in 5 seconds, (U)UTF-8, (G)GBK [U]: ");
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while (!SYS_server_exit)
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{
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ch = press_any_key_ex(msg, 5);
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switch (toupper(ch))
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{
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case KEY_NULL:
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return -1;
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case KEY_TIMEOUT:
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case CR:
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case 'U':
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break;
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case 'G':
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if (io_conv_init("GBK") < 0)
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{
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log_error("io_conv_init(%s) error\n", "GBK");
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return -1;
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}
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break;
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default:
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continue;
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}
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break;
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}
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snprintf(msg, sizeof(msg),
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"\r请在5秒内选择宽字符显示规则, (V)变宽, (F)定宽? [V]: ");
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while (!SYS_server_exit)
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{
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ch = press_any_key_ex(msg, 5);
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switch (toupper(ch))
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{
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case KEY_NULL:
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return -1;
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case KEY_TIMEOUT:
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case CR:
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case 'V':
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UTF8_fixed_width = 0;
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break;
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case 'F':
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UTF8_fixed_width = 1;
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break;
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default:
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continue;
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}
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break;
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}
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return 0;
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}
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int bbs_main()
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{
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| 301 |
struct sigaction act = {0};
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char msg[LINE_BUFFER_LEN];
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| 303 |
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| 304 |
// Set signal handler
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act.sa_handler = SIG_IGN;
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| 306 |
if (sigaction(SIGHUP, &act, NULL) == -1)
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| 307 |
{
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| 308 |
log_error("set signal action of SIGHUP error: %d\n", errno);
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goto cleanup;
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| 310 |
}
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| 311 |
act.sa_handler = SIG_DFL;
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| 312 |
if (sigaction(SIGCHLD, &act, NULL) == -1)
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{
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log_error("set signal action of SIGCHLD error: %d\n", errno);
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| 315 |
goto cleanup;
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}
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| 317 |
act.sa_handler = child_proc_sig_usr1_handler;
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| 318 |
if (sigaction(SIGUSR1, &act, NULL) == -1)
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| 319 |
{
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| 320 |
log_error("set signal action of SIGUSR1 error: %d\n", errno);
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goto cleanup;
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| 322 |
}
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| 323 |
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| 324 |
// Set data pools in shared memory readonly
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| 325 |
if (set_trie_dict_shm_readonly() < 0)
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{
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goto cleanup;
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}
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| 329 |
if (set_article_block_shm_readonly() < 0)
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{
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| 331 |
goto cleanup;
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| 332 |
}
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| 333 |
#ifdef HAVE_SYSTEM_V
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| 334 |
if (set_section_list_shm_readonly() < 0)
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{
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| 336 |
goto cleanup;
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}
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| 338 |
if (set_user_list_pool_shm_readonly() < 0)
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{
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| 340 |
goto cleanup;
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}
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| 342 |
#endif
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| 343 |
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| 344 |
// Load menu in shared memory
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| 345 |
if (set_menu_shm_readonly(&bbs_menu) < 0)
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| 346 |
{
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| 347 |
goto cleanup;
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| 348 |
}
|
| 349 |
|
| 350 |
// Set default charset
|
| 351 |
if (io_conv_init(BBS_default_charset) < 0)
|
| 352 |
{
|
| 353 |
log_error("io_conv_init(%s) error\n", BBS_default_charset);
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| 354 |
goto cleanup;
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| 355 |
}
|
| 356 |
|
| 357 |
set_input_echo(0);
|
| 358 |
|
| 359 |
// Set user charset
|
| 360 |
if (bbs_charset_select() < 0)
|
| 361 |
{
|
| 362 |
goto cleanup;
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| 363 |
}
|
| 364 |
|
| 365 |
// System info
|
| 366 |
if (bbs_info() < 0)
|
| 367 |
{
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| 368 |
goto cleanup;
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| 369 |
}
|
| 370 |
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| 371 |
// Welcome
|
| 372 |
if (bbs_welcome() < 0)
|
| 373 |
{
|
| 374 |
goto cleanup;
|
| 375 |
}
|
| 376 |
|
| 377 |
// User login
|
| 378 |
if (SSH_v2)
|
| 379 |
{
|
| 380 |
snprintf(msg, sizeof(msg), "\033[1m%s 欢迎使用ssh方式访问 \033[1;33m按任意键继续...\033[m", BBS_username);
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| 381 |
press_any_key_ex(msg, 60);
|
| 382 |
}
|
| 383 |
else if (bbs_login() < 0)
|
| 384 |
{
|
| 385 |
goto cleanup;
|
| 386 |
}
|
| 387 |
log_common("User [%s] (uid=%d) login from %s:%d\n",
|
| 388 |
BBS_username, BBS_priv.uid, hostaddr_client, port_client);
|
| 389 |
|
| 390 |
// Check EULA update status
|
| 391 |
if (BBS_update_eula)
|
| 392 |
{
|
| 393 |
user_update_agreement();
|
| 394 |
goto cleanup;
|
| 395 |
}
|
| 396 |
|
| 397 |
// Load section aid locations
|
| 398 |
if (section_aid_locations_load(BBS_priv.uid) < 0)
|
| 399 |
{
|
| 400 |
log_error("article_view_log_load() error\n");
|
| 401 |
goto cleanup;
|
| 402 |
}
|
| 403 |
|
| 404 |
// Load article view log
|
| 405 |
if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0)
|
| 406 |
{
|
| 407 |
log_error("article_view_log_load() error\n");
|
| 408 |
goto cleanup;
|
| 409 |
}
|
| 410 |
|
| 411 |
// Load article favorite
|
| 412 |
if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0)
|
| 413 |
{
|
| 414 |
log_error("article_favor_load() error\n");
|
| 415 |
goto cleanup;
|
| 416 |
}
|
| 417 |
|
| 418 |
// Init editor memory pool
|
| 419 |
if (editor_memory_pool_init() < 0)
|
| 420 |
{
|
| 421 |
log_error("editor_memory_pool_init() error\n");
|
| 422 |
goto cleanup;
|
| 423 |
}
|
| 424 |
|
| 425 |
clearscr();
|
| 426 |
|
| 427 |
// BBS Top 10
|
| 428 |
display_file(VAR_BBS_TOP, 1);
|
| 429 |
|
| 430 |
// Main
|
| 431 |
bbs_center();
|
| 432 |
|
| 433 |
// Logout
|
| 434 |
bbs_logout();
|
| 435 |
|
| 436 |
// Save section aid locations
|
| 437 |
if (section_aid_locations_save(BBS_priv.uid) < 0)
|
| 438 |
{
|
| 439 |
log_error("article_view_log_save() error\n");
|
| 440 |
}
|
| 441 |
|
| 442 |
// Save incremental article view log
|
| 443 |
if (article_view_log_save_inc(&BBS_article_view_log) < 0)
|
| 444 |
{
|
| 445 |
log_error("article_view_log_save_inc() error\n");
|
| 446 |
}
|
| 447 |
|
| 448 |
// Save incremental article favorite
|
| 449 |
if (article_favor_save_inc(&BBS_article_favor) < 0)
|
| 450 |
{
|
| 451 |
log_error("article_favor_save_inc() error\n");
|
| 452 |
}
|
| 453 |
|
| 454 |
cleanup:
|
| 455 |
// Cleanup session
|
| 456 |
bbs_session_cleanup();
|
| 457 |
|
| 458 |
// Cleanup iconv
|
| 459 |
io_conv_cleanup();
|
| 460 |
|
| 461 |
// Cleanup editor memory pool
|
| 462 |
editor_memory_pool_cleanup();
|
| 463 |
|
| 464 |
// Unload article view log
|
| 465 |
article_view_log_unload(&BBS_article_view_log);
|
| 466 |
|
| 467 |
// Unload article favor
|
| 468 |
article_favor_unload(&BBS_article_favor);
|
| 469 |
|
| 470 |
// Detach menu in shared memory
|
| 471 |
detach_menu_shm(&bbs_menu);
|
| 472 |
detach_menu_shm(&top10_menu);
|
| 473 |
|
| 474 |
// Detach data pools shm
|
| 475 |
detach_user_list_pool_shm();
|
| 476 |
detach_section_list_shm();
|
| 477 |
detach_article_block_shm();
|
| 478 |
detach_trie_dict_shm();
|
| 479 |
|
| 480 |
// Cleanup BWF
|
| 481 |
bwf_cleanup();
|
| 482 |
|
| 483 |
return 0;
|
| 484 |
}
|
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