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Revision 1.20 by sysadm, Tue May 13 07:28:51 2025 UTC Revision 1.51 by sysadm, Mon Dec 1 11:28:03 2025 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) 2004-2025  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.                                   *  
  *                                                                         *  
  ***************************************************************************/  
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";  const char APP_INFO[] = PACKAGE_STRING " build on " __DATE__ " " __TIME__;
17    const char COPYRIGHT_INFO[] = "Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>\n"
18                                                              "This program comes with ABSOLUTELY NO WARRANTY.\n"
19                                                              "This is free software, and you are welcome to redistribute it \n"
20                                                              "under certain conditions; see the GNU General Public License \n"
21                                                              "version 3 for details.\n";
22    
23    // Enviroment
24    const char CONF_BBSD[] = "conf/bbsd.conf";
25    const char CONF_MENU[] = "var/menu_merged.conf";
26    const char CONF_BBSNET[] = "conf/bbsnet.conf";
27    const char CONF_BWF[] = "conf/badwords.conf";
28    const char CONF_TOP10_MENU[] = "var/bbs_top_menu.conf";
29    const char SSH_HOST_RSA_KEY_FILE[] = "conf/ssh_host_rsa_key";
30    const char SSH_HOST_ED25519_KEY_FILE[] = "conf/ssh_host_ed25519_key";
31    const char SSH_KNOWN_HOSTS_FILE[] = "var/known_hosts";
32    
33    const char LOG_FILE_INFO[] = "log/bbsd.log";
34    const char LOG_FILE_ERROR[] = "log/error.log";
35    
36    const char DATA_WELCOME[] = "data/welcome.txt";
37    const char DATA_REGISTER[] = "data/register.txt";
38    const char DATA_GOODBYE[] = "data/goodbye.txt";
39    const char DATA_EULA[] = "data/eula.txt";
40    const char DATA_LICENSE[] = "data/license.txt";
41    const char DATA_COPYRIGHT[] = "data/copyright.txt";
42    const char DATA_VERSION[] = "data/version.txt";
43    const char DATA_LOGIN_ERROR[] = "data/login_error.txt";
44    const char DATA_ACTIVE_BOARD[] = "data/active_board.txt";
45    const char DATA_READ_HELP[] = "data/read_help.txt";
46    const char DATA_EDITOR_HELP[] = "data/editor_help.txt";
47    
48    const char VAR_BBS_TOP[] = "var/bbs_top.txt";
49    
50    const char VAR_ARTICLE_BLOCK_SHM[] = "var/article_block_shm.~";
51    const char VAR_SECTION_LIST_SHM[] = "var/section_list_shm.~";
52    const char VAR_TRIE_DICT_SHM[] = "var/trie_dict_shm.~";
53    const char VAR_USER_LIST_SHM[] = "var/user_list_shm.~";
54    
55    const char VAR_ARTICLE_CACHE_DIR[] = "var/articles/";
56    const char VAR_GEN_EX_MENU_DIR[] = "var/gen_ex/";
57    const char VAR_SECTION_AID_LOC_DIR[] = "var/section_aid_loc/";
58    
59    // File loader
60    const char *data_files_load_startup[] = {
61            DATA_WELCOME,
62            DATA_REGISTER,
63            DATA_GOODBYE,
64            DATA_EULA,
65            DATA_LICENSE,
66            DATA_COPYRIGHT,
67            DATA_VERSION,
68            DATA_LOGIN_ERROR,
69            DATA_ACTIVE_BOARD,
70            DATA_READ_HELP,
71            DATA_EDITOR_HELP,
72            VAR_BBS_TOP};
73    
74    const int data_files_load_startup_count = sizeof(data_files_load_startup) / sizeof(const char *);
75    
76  // Global declaration for sockets  // Global declaration for sockets
77  int socket_server;  char hostaddr_client[IP_ADDR_LEN];
 int socket_client;  
 char hostaddr_server[50];  
 char hostaddr_client[50];  
 int port_server;  
78  int port_client;  int port_client;
79    
80    // SSHv2
81    int SSH_v2 = 0;
82    ssh_session SSH_session;
83    ssh_channel SSH_channel;
84    
85  // Global declaration for system  // Global declaration for system
86  volatile int SYS_server_exit = 0;  volatile int SYS_server_exit = 0;
87  volatile int SYS_child_process_count = 0;  volatile int SYS_child_process_count = 0;
88  volatile int SYS_child_exit = 0;  volatile int SYS_child_exit = 0;
89  volatile int SYS_menu_reload = 0;  volatile int SYS_conf_reload = 0;
90    
91  // Common function  // Common function
 const char *str_space(char *string, int length)  
 {  
         int i;  
         for (i = 0; i < length; i++)  
         {  
                 string[i] = ' ';  
         }  
         string[length] = '\0';  
         return string;  
 }  
   
 const char *get_time_str(char *s, size_t len)  
 {  
         time_t curtime = time(NULL);  
         struct tm *loctime;  
         loctime = localtime(&curtime);  
   
         size_t j = strftime(s, len, "%Y年%m月%d日%H:%M:%S ", loctime);  
   
         if (j == 0)  
         {  
                 return NULL;  
         }  
   
         switch (loctime->tm_wday)  
         {  
         case 0:  
                 strncat(s, "星期天", len - j);  
                 break;  
         case 1:  
                 strncat(s, "星期一", len - j);  
                 break;  
         case 2:  
                 strncat(s, "星期二", len - j);  
                 break;  
         case 3:  
                 strncat(s, "星期三", len - j);  
                 break;  
         case 4:  
                 strncat(s, "星期四", len - j);  
                 break;  
         case 5:  
                 strncat(s, "星期五", len - j);  
                 break;  
         case 6:  
                 strncat(s, "星期六", len - j);  
                 break;  
         }  
   
         return s;  
 }  
   
92  void sig_hup_handler(int i)  void sig_hup_handler(int i)
93  {  {
94          SYS_menu_reload = 1;          SYS_conf_reload = 1;
95  }  }
96    
97  void sig_term_handler(int i)  void sig_term_handler(int i)
# Line 105  void sig_chld_handler(int i) Line 103  void sig_chld_handler(int i)
103  {  {
104          SYS_child_exit = 1;          SYS_child_exit = 1;
105  }  }
   
 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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