/[LeafOK_CVS]/lbbs/src/common.c
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Revision 1.18 by sysadm, Sun May 11 01:54:00 2025 UTC Revision 1.45 by sysadm, Fri Nov 7 04:58:09 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     */
 /***************************************************************************  
  *                                                                         *  
  *   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.                                   *  
  *                                                                         *  
  ***************************************************************************/  
8    
9  #include "common.h"  #include "common.h"
 #include "log.h"  
 #include "menu.h"  
 #include <string.h>  
 #include <time.h>  
 #include <sys/types.h>  
10    
11  // Version information  // Version
12  char app_version[256] = "LBBS-devel version 1.0";  const char APP_INFO[] = PACKAGE_STRING " build on " __DATE__ " " __TIME__;
13    
14    // Enviroment
15    const char CONF_BBSD[] = "conf/bbsd.conf";
16    const char CONF_MENU[] = "var/menu_merged.conf";
17    const char CONF_BBSNET[] = "conf/bbsnet.conf";
18    const char CONF_BWF[] = "conf/badwords.conf";
19    const char CONF_TOP10_MENU[] = "var/bbs_top_menu.conf";
20    const char SSH_HOST_KEYFILE[] = "conf/ssh_host_rsa_key";
21    
22    const char LOG_FILE_INFO[] = "log/bbsd.log";
23    const char LOG_FILE_ERROR[] = "log/error.log";
24    
25    const char DATA_WELCOME[] = "data/welcome.txt";
26    const char DATA_REGISTER[] = "data/register.txt";
27    const char DATA_GOODBYE[] = "data/goodbye.txt";
28    const char DATA_LICENSE[] = "data/license.txt";
29    const char DATA_COPYRIGHT[] = "data/copyright.txt";
30    const char DATA_VERSION[] = "data/version.txt";
31    const char DATA_LOGIN_ERROR[] = "data/login_error.txt";
32    const char DATA_ACTIVE_BOARD[] = "data/active_board.txt";
33    const char DATA_READ_HELP[] = "data/read_help.txt";
34    const char DATA_EDITOR_HELP[] = "data/editor_help.txt";
35    
36    const char VAR_BBS_TOP[] = "var/bbs_top.txt";
37    
38    const char VAR_ARTICLE_BLOCK_SHM[] = "var/article_block_shm.~";
39    const char VAR_SECTION_LIST_SHM[] = "var/section_list_shm.~";
40    const char VAR_TRIE_DICT_SHM[] = "var/trie_dict_shm.~";
41    const char VAR_USER_LIST_SHM[] = "var/user_list_shm.~";
42    
43    const char VAR_ARTICLE_CACHE_DIR[] = "var/articles/";
44    const char VAR_GEN_EX_MENU_DIR[] = "var/gen_ex/";
45    const char VAR_SECTION_AID_LOC_DIR[] = "var/section_aid_loc/";
46    
47    // File loader
48    const char *data_files_load_startup[] = {
49            DATA_WELCOME,
50            DATA_REGISTER,
51            DATA_GOODBYE,
52            DATA_LICENSE,
53            DATA_COPYRIGHT,
54            DATA_VERSION,
55            DATA_LOGIN_ERROR,
56            DATA_ACTIVE_BOARD,
57            DATA_READ_HELP,
58            DATA_EDITOR_HELP,
59            VAR_BBS_TOP};
60    
61    const int data_files_load_startup_count = sizeof(data_files_load_startup) / sizeof(const char *);
62    
63  // Global declaration for sockets  // Global declaration for sockets
64  int socket_server;  int socket_server[2];
65  int socket_client;  int socket_client;
66  char hostaddr_server[50];  char hostaddr_client[IP_ADDR_LEN];
 char hostaddr_client[50];  
 int port_server;  
67  int port_client;  int port_client;
68    
69    // SSHv2
70    int SSH_v2 = 0;
71    ssh_bind sshbind;
72    ssh_session SSH_session;
73    ssh_channel SSH_channel;
74    
75  // Global declaration for system  // Global declaration for system
76  volatile int SYS_server_exit = 0;  volatile int SYS_server_exit = 0;
77  volatile int SYS_child_process_count = 0;  volatile int SYS_child_process_count = 0;
78  volatile int SYS_child_exit = 0;  volatile int SYS_child_exit = 0;
79  volatile int SYS_menu_reload = 0;  volatile int SYS_conf_reload = 0;
80    
81  // 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;  
 }  
   
82  void sig_hup_handler(int i)  void sig_hup_handler(int i)
83  {  {
84          SYS_menu_reload = 1;          SYS_conf_reload = 1;
85  }  }
86    
87  void sig_term_handler(int i)  void sig_term_handler(int i)
# Line 105  void sig_chld_handler(int i) Line 93  void sig_chld_handler(int i)
93  {  {
94          SYS_child_exit = 1;          SYS_child_exit = 1;
95  }  }
   
 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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