--- lbbs/src/common.c	2025/06/21 02:15:18	1.34
+++ lbbs/src/common.c	2025/11/28 03:23:58	1.49
@@ -1,26 +1,58 @@
-/***************************************************************************
-						  common.c  -  description
-							 -------------------
-	Copyright            : (C) 2004-2025 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 3 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- ***************************************************************************/
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * common
+ *   - common definitions
+ *
+ * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
 #include "common.h"
-#include "log.h"
-#include "menu.h"
-#include <signal.h>
-#include <string.h>
-#include <time.h>
-#include <sys/types.h>
+
+// Version
+const char APP_INFO[] = PACKAGE_STRING " build on " __DATE__ " " __TIME__;
+const char COPYRIGHT_INFO[] = "Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>\n"
+							  "This program comes with ABSOLUTELY NO WARRANTY.\n"
+							  "This is free software, and you are welcome to redistribute it \n"
+							  "under certain conditions; see the GNU General Public License \n"
+							  "version 3 for details.\n";
+
+// 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_RSA_KEY_FILE[] = "conf/ssh_host_rsa_key";
+const char SSH_HOST_ED25519_KEY_FILE[] = "conf/ssh_host_ed25519_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[] = {
@@ -29,21 +61,21 @@ const char *data_files_load_startup[] =
 	DATA_GOODBYE,
 	DATA_LICENSE,
 	DATA_COPYRIGHT,
+	DATA_VERSION,
 	DATA_LOGIN_ERROR,
 	DATA_ACTIVE_BOARD,
 	DATA_READ_HELP,
+	DATA_EDITOR_HELP,
 	VAR_BBS_TOP};
-int data_files_load_startup_count = 9; // Count of data_files_load_startup[]
+
+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_client[IP_ADDR_LEN];
 int port_client;
 
 // SSHv2
 int SSH_v2 = 0;
-ssh_bind sshbind;
 ssh_session SSH_session;
 ssh_channel SSH_channel;
 
@@ -52,37 +84,11 @@ 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;
-volatile int SYS_data_file_reload = 0;
-volatile int SYS_section_list_reload = 0;
-
-static const char *weekday[] = {
-	"天", "一", "二", "三", "四", "五", "六"};
 
 // Common function
-const char *get_time_str(char *s, size_t len)
-{
-	time_t curtime;
-	struct tm local_tm;
-
-	time(&curtime);
-	localtime_r(&curtime, &local_tm);
-	size_t j = strftime(s, len, "%b %d %H:%M 星期", &local_tm);
-
-	if (j == 0 || j + strlen(weekday[local_tm.tm_wday]) + 1 > len)
-	{
-		return NULL;
-	}
-
-	strncat(s, weekday[local_tm.tm_wday], len - 1 - j);
-
-	return s;
-}
-
 void sig_hup_handler(int i)
 {
 	SYS_conf_reload = 1;
-	SYS_data_file_reload = 1;
-	SYS_section_list_reload = 1;
 }
 
 void sig_term_handler(int i)
@@ -94,41 +100,3 @@ void sig_chld_handler(int i)
 {
 	SYS_child_exit = 1;
 }
-
-const char *ip_mask(char *s, int level, char mask)
-{
-	char *p = s;
-
-	if (level <= 0)
-	{
-		return s;
-	}
-	if (level > 4)
-	{
-		level = 4;
-	}
-
-	for (int i = 0; i < 4 - level; i++)
-	{
-		p = strchr(p, '.');
-		if (p == NULL)
-		{
-			return s;
-		}
-		p++;
-	}
-
-	for (int i = 0; i < level; i++)
-	{
-		*p = mask;
-		p++;
-		if (i < level - 1)
-		{
-			*p = '.';
-			p++;
-		}
-	}
-	*p = '\0';
-
-	return s;
-}