--- lbbs/src/common.c	2005/05/07 09:28:12	1.6
+++ lbbs/src/common.c	2025/11/07 04:58:09	1.45
@@ -1,102 +1,95 @@
-/***************************************************************************
-                          common.c  -  description
-                             -------------------
-    begin                : Mon Oct 18 2004
-    copyright            : (C) 2004 by Leaflet
-    email                : leaflet@leafok.com
- ***************************************************************************/
-
-/***************************************************************************
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- ***************************************************************************/
-
-#include "menu.h"
-#include <time.h>
-
-//Version information
-char app_version[256] = "LBBS-devel version 1.0";
-
-//Global declaration for enviroment
-char app_home_dir[256];
-char app_temp_dir[256];
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * common
+ *   - common definitions
+ *
+ * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
+ */
+
+#include "common.h"
+
+// Version
+const char APP_INFO[] = PACKAGE_STRING " build on " __DATE__ " " __TIME__;
+
+// Enviroment
+const char CONF_BBSD[] = "conf/bbsd.conf";
+const char CONF_MENU[] = "var/menu_merged.conf";
+const char CONF_BBSNET[] = "conf/bbsnet.conf";
+const char CONF_BWF[] = "conf/badwords.conf";
+const char CONF_TOP10_MENU[] = "var/bbs_top_menu.conf";
+const char SSH_HOST_KEYFILE[] = "conf/ssh_host_rsa_key";
+
+const char LOG_FILE_INFO[] = "log/bbsd.log";
+const char LOG_FILE_ERROR[] = "log/error.log";
+
+const char DATA_WELCOME[] = "data/welcome.txt";
+const char DATA_REGISTER[] = "data/register.txt";
+const char DATA_GOODBYE[] = "data/goodbye.txt";
+const char DATA_LICENSE[] = "data/license.txt";
+const char DATA_COPYRIGHT[] = "data/copyright.txt";
+const char DATA_VERSION[] = "data/version.txt";
+const char DATA_LOGIN_ERROR[] = "data/login_error.txt";
+const char DATA_ACTIVE_BOARD[] = "data/active_board.txt";
+const char DATA_READ_HELP[] = "data/read_help.txt";
+const char DATA_EDITOR_HELP[] = "data/editor_help.txt";
+
+const char VAR_BBS_TOP[] = "var/bbs_top.txt";
+
+const char VAR_ARTICLE_BLOCK_SHM[] = "var/article_block_shm.~";
+const char VAR_SECTION_LIST_SHM[] = "var/section_list_shm.~";
+const char VAR_TRIE_DICT_SHM[] = "var/trie_dict_shm.~";
+const char VAR_USER_LIST_SHM[] = "var/user_list_shm.~";
+
+const char VAR_ARTICLE_CACHE_DIR[] = "var/articles/";
+const char VAR_GEN_EX_MENU_DIR[] = "var/gen_ex/";
+const char VAR_SECTION_AID_LOC_DIR[] = "var/section_aid_loc/";
+
+// File loader
+const char *data_files_load_startup[] = {
+	DATA_WELCOME,
+	DATA_REGISTER,
+	DATA_GOODBYE,
+	DATA_LICENSE,
+	DATA_COPYRIGHT,
+	DATA_VERSION,
+	DATA_LOGIN_ERROR,
+	DATA_ACTIVE_BOARD,
+	DATA_READ_HELP,
+	DATA_EDITOR_HELP,
+	VAR_BBS_TOP};
 
-//Global declaration for sockets
-int socket_server;
+const int data_files_load_startup_count = sizeof(data_files_load_startup) / sizeof(const char *);
+
+// Global declaration for sockets
+int socket_server[2];
 int socket_client;
-char hostaddr_server[50];
-char hostaddr_client[50];
-int port_server;
+char hostaddr_client[IP_ADDR_LEN];
 int port_client;
 
-//Global declaration for database
-char DB_host[256];
-char DB_username[50];
-char DB_password[50];
-char DB_database[50];
-
-//Common function
-const char *
-str_space (char *string, int length)
+// SSHv2
+int SSH_v2 = 0;
+ssh_bind sshbind;
+ssh_session SSH_session;
+ssh_channel SSH_channel;
+
+// Global declaration for system
+volatile int SYS_server_exit = 0;
+volatile int SYS_child_process_count = 0;
+volatile int SYS_child_exit = 0;
+volatile int SYS_conf_reload = 0;
+
+// Common function
+void sig_hup_handler(int i)
 {
-  int i;
-  for (i = 0; i < length; i++)
-    {
-      string[i] = ' ';
-    }
-  string[length] = '\0';
-  return string;
+	SYS_conf_reload = 1;
 }
 
-const char *
-get_time_str (char *string, size_t length)
+void sig_term_handler(int i)
 {
-  char week[10], buffer[256];
-  time_t curtime;
-  struct tm *loctime;
-
-  curtime = time (NULL);
-  loctime = localtime (&curtime);
-
-  strftime (buffer, 256, "%Y年%m月%d日%H:%M:%S ", loctime);
-
-  switch (loctime->tm_wday)
-    {
-    case 0:
-      strcpy (week, "星期天");
-      break;
-    case 1:
-      strcpy (week, "星期一");
-      break;
-    case 2:
-      strcpy (week, "星期二");
-      break;
-    case 3:
-      strcpy (week, "星期三");
-      break;
-    case 4:
-      strcpy (week, "星期四");
-      break;
-    case 5:
-      strcpy (week, "星期五");
-      break;
-    case 6:
-      strcpy (week, "星期六");
-      break;
-    }
-  strcat (buffer, week);
-
-  strncpy (string, buffer, length);
-
-  return string;
+	SYS_server_exit = 1;
 }
 
-void
-reload_bbs_menu (int i)
+void sig_chld_handler(int i)
 {
-  reload_menu (&bbs_menu);
+	SYS_child_exit = 1;
 }