/[LeafOK_CVS]/lbbs/src/common.c
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Revision 1.24 by sysadm, Tue May 27 03:25:02 2025 UTC Revision 1.54 by sysadm, Fri Jan 9 11:14:54 2026 UTC
# Line 1  Line 1 
1  /***************************************************************************  /* SPDX-License-Identifier: GPL-3.0-or-later */
2                                                    common.c  -  description  /*
3                                                           -------------------   * common
4          Copyright            : (C) 2004-2025 by Leaflet   *   - common definitions
5          Email                : leaflet@leafok.com   *
6   ***************************************************************************/   * Copyright (C) 2004-2026  Leaflet <leaflet@leafok.com>
7     */
8  /***************************************************************************  
9   *                                                                         *  #ifdef HAVE_CONFIG_H
10   *   This program is free software; you can redistribute it and/or modify  *  #include "config.h"
11   *   it under the terms of the GNU General Public License as published by  *  #endif
  *   the Free Software Foundation; either version 3 of the License, or     *  
  *   (at your option) any later version.                                   *  
  *                                                                         *  
  ***************************************************************************/  
   
 #define _POSIX_C_SOURCE 200112L  
12    
13  #include "common.h"  #include "common.h"
 #include "log.h"  
 #include "menu.h"  
 #include <string.h>  
 #include <time.h>  
 #include <sys/types.h>  
14    
15  // Version information  // Version
16  char app_version[256] = "LBBS-devel version 1.0";  #ifdef __x86_64__
17    const char APP_INFO[] = PACKAGE_STRING " build (x86_64) on " __DATE__ " " __TIME__;
18    #else
19    #ifdef __aarch64__
20    const char APP_INFO[] = PACKAGE_STRING " build (aarch64) on " __DATE__ " " __TIME__;
21    #else
22    const char APP_INFO[] = PACKAGE_STRING " build (i386) on " __DATE__ " " __TIME__;
23    #endif
24    #endif
25    
26    const char COPYRIGHT_INFO[] = "Copyright (C) 2004-2026  Leaflet <leaflet@leafok.com>\n"
27                                                              "This program comes with ABSOLUTELY NO WARRANTY.\n"
28                                                              "This is free software, and you are welcome to redistribute it \n"
29                                                              "under certain conditions; see the GNU General Public License \n"
30                                                              "version 3 for details.\n";
31    
32    // Enviroment
33    const char CONF_BBSD[] = "conf/bbsd.conf";
34    const char CONF_MENU[] = "var/menu_merged.conf";
35    const char CONF_BBSNET[] = "conf/bbsnet.conf";
36    const char CONF_BWF[] = "conf/badwords.conf";
37    const char CONF_TOP10_MENU[] = "var/bbs_top_menu.conf";
38    const char SSH_HOST_RSA_KEY_FILE[] = "conf/ssh_host_rsa_key";
39    const char SSH_HOST_ED25519_KEY_FILE[] = "conf/ssh_host_ed25519_key";
40    const char SSH_HOST_ECDSA_KEY_FILE[] = "conf/ssh_host_ecdsa_key";
41    const char SSH_KNOWN_HOSTS_FILE[] = "var/known_hosts";
42    
43    const char LOG_FILE_INFO[] = "log/bbsd.log";
44    const char LOG_FILE_ERROR[] = "log/error.log";
45    
46    const char DATA_WELCOME[] = "data/welcome.txt";
47    const char DATA_REGISTER[] = "data/register.txt";
48    const char DATA_GOODBYE[] = "data/goodbye.txt";
49    const char DATA_EULA[] = "data/eula.txt";
50    const char DATA_LICENSE[] = "data/license.txt";
51    const char DATA_COPYRIGHT[] = "data/copyright.txt";
52    const char DATA_VERSION[] = "data/version.txt";
53    const char DATA_LOGIN_ERROR[] = "data/login_error.txt";
54    const char DATA_ACTIVE_BOARD[] = "data/active_board.txt";
55    const char DATA_READ_HELP[] = "data/read_help.txt";
56    const char DATA_EDITOR_HELP[] = "data/editor_help.txt";
57    
58    const char VAR_BBS_TOP[] = "var/bbs_top.txt";
59    
60    const char VAR_ARTICLE_BLOCK_SHM[] = "var/article_block_shm.~";
61    const char VAR_SECTION_LIST_SHM[] = "var/section_list_shm.~";
62    const char VAR_TRIE_DICT_SHM[] = "var/trie_dict_shm.~";
63    const char VAR_USER_LIST_SHM[] = "var/user_list_shm.~";
64    
65    const char VAR_ARTICLE_CACHE_DIR[] = "var/articles/";
66    const char VAR_GEN_EX_MENU_DIR[] = "var/gen_ex/";
67    const char VAR_SECTION_AID_LOC_DIR[] = "var/section_aid_loc/";
68    
69  // File loader  // File loader
70  const char *data_files_load_startup[] = {  const char *data_files_load_startup[] = {
71          DATA_WELCOME,          DATA_WELCOME,
72          DATA_REGISTER,          DATA_REGISTER,
73          DATA_GOODBYE,          DATA_GOODBYE,
74            DATA_EULA,
75          DATA_LICENSE,          DATA_LICENSE,
76          DATA_COPYRIGHT,          DATA_COPYRIGHT,
77            DATA_VERSION,
78          DATA_LOGIN_ERROR,          DATA_LOGIN_ERROR,
79          DATA_ACTIVE_BOARD,          DATA_ACTIVE_BOARD,
80          DATA_READ_HELP,          DATA_READ_HELP,
81            DATA_EDITOR_HELP,
82          VAR_BBS_TOP};          VAR_BBS_TOP};
 int data_files_load_startup_count = 9; // Count of data_files_load_startup[]  
83    
84  const char *data_files_load_timeval[] = {  const int data_files_load_startup_count = sizeof(data_files_load_startup) / sizeof(const char *);
         VAR_BBS_TOP};  
 int data_files_load_timeval_count = 1; // Count of data_files_load_timeval[]  
85    
86  // Global declaration for sockets  // Global declaration for sockets
87  int socket_server;  char hostaddr_client[IP_ADDR_LEN];
 int socket_client;  
 char hostaddr_server[50];  
 char hostaddr_client[50];  
 int port_server;  
88  int port_client;  int port_client;
89    
90    // SSHv2
91    int SSH_v2 = 0;
92    ssh_session SSH_session;
93    ssh_channel SSH_channel;
94    
95  // Global declaration for system  // Global declaration for system
96  volatile int SYS_server_exit = 0;  volatile int SYS_server_exit = 0;
97  volatile int SYS_child_process_count = 0;  volatile int SYS_child_process_count = 0;
98  volatile int SYS_child_exit = 0;  volatile int SYS_child_exit = 0;
99  volatile int SYS_menu_reload = 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"};  
100    
101  // Common function  // 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, "%Y年%m月%d日%H:%M:%S 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;  
 }  
   
102  void sig_hup_handler(int i)  void sig_hup_handler(int i)
103  {  {
104          SYS_menu_reload = 1;          SYS_conf_reload = 1;
         SYS_data_file_reload = 1;  
         SYS_section_list_reload = 1;  
105  }  }
106    
107  void sig_term_handler(int i)  void sig_term_handler(int i)
# Line 98  void sig_chld_handler(int i) Line 113  void sig_chld_handler(int i)
113  {  {
114          SYS_child_exit = 1;          SYS_child_exit = 1;
115  }  }
   
 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;  
 }  

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