/[LeafOK_CVS]/lbbs/src/common.c
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Revision 1.13 by sysadm, Sun May 4 14:54:55 2025 UTC Revision 1.43 by sysadm, Wed Nov 5 01:37:00 2025 UTC
# Line 1  Line 1 
1  /***************************************************************************  /* SPDX-License-Identifier: GPL-3.0-or-later */
2                                                    common.c  -  description  /*
3                                                           -------------------   * common
4          begin                : Mon Oct 18 2004   *   - common definitions
5          copyright            : (C) 2004 by Leaflet   *
6          email                : leaflet@leafok.com   * 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 2 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>  
 #include <sys/wait.h>  
10    
11  // Version information  // Enviroment
12  char app_version[256] = "LBBS-devel version 1.0";  const char CONF_BBSD[] = "conf/bbsd.conf";
13    const char CONF_MENU[] = "var/menu_merged.conf";
14    const char CONF_BBSNET[] = "conf/bbsnet.conf";
15    const char CONF_TOP10_MENU[] = "var/bbs_top_menu.conf";
16    const char SSH_HOST_KEYFILE[] = "conf/ssh_host_rsa_key";
17    
18    const char LOG_FILE_INFO[] = "log/bbsd.log";
19    const char LOG_FILE_ERROR[] = "log/error.log";
20    
21    const char DATA_WELCOME[] = "data/welcome.txt";
22    const char DATA_REGISTER[] = "data/register.txt";
23    const char DATA_GOODBYE[] = "data/goodbye.txt";
24    const char DATA_LICENSE[] = "data/license.txt";
25    const char DATA_COPYRIGHT[] = "data/copyright.txt";
26    const char DATA_VERSION[] = "data/version.txt";
27    const char DATA_LOGIN_ERROR[] = "data/login_error.txt";
28    const char DATA_ACTIVE_BOARD[] = "data/active_board.txt";
29    const char DATA_READ_HELP[] = "data/read_help.txt";
30    const char DATA_EDITOR_HELP[] = "data/editor_help.txt";
31    
32    const char VAR_BBS_TOP[] = "var/bbs_top.txt";
33    
34    const char VAR_ARTICLE_BLOCK_SHM[] = "var/article_block_shm.~";
35    const char VAR_SECTION_LIST_SHM[] = "var/section_list_shm.~";
36    const char VAR_TRIE_DICT_SHM[] = "var/trie_dict_shm.~";
37    const char VAR_USER_LIST_SHM[] = "var/user_list_shm.~";
38    
39    const char VAR_ARTICLE_CACHE_DIR[] = "var/articles/";
40    const char VAR_GEN_EX_MENU_DIR[] = "var/gen_ex/";
41    const char VAR_SECTION_AID_LOC_DIR[] = "var/section_aid_loc/";
42    
43    // File loader
44    const char *data_files_load_startup[] = {
45            DATA_WELCOME,
46            DATA_REGISTER,
47            DATA_GOODBYE,
48            DATA_LICENSE,
49            DATA_COPYRIGHT,
50            DATA_VERSION,
51            DATA_LOGIN_ERROR,
52            DATA_ACTIVE_BOARD,
53            DATA_READ_HELP,
54            DATA_EDITOR_HELP,
55            VAR_BBS_TOP};
56    
57    const int data_files_load_startup_count = sizeof(data_files_load_startup) / sizeof(const char *);
58    
59  // Global declaration for sockets  // Global declaration for sockets
60  int socket_server;  int socket_server[2];
61  int socket_client;  int socket_client;
62  char hostaddr_server[50];  char hostaddr_client[IP_ADDR_LEN];
 char hostaddr_client[50];  
 int port_server;  
63  int port_client;  int port_client;
64    
65    // SSHv2
66    int SSH_v2 = 0;
67    ssh_bind sshbind;
68    ssh_session SSH_session;
69    ssh_channel SSH_channel;
70    
71  // Global declaration for system  // Global declaration for system
72  int SYS_exit;  volatile int SYS_server_exit = 0;
73  int SYS_child_process_count;  volatile int SYS_child_process_count = 0;
74    volatile int SYS_child_exit = 0;
75    volatile int SYS_conf_reload = 0;
76    
77  // Common function  // Common function
78  const char *str_space(char *string, int length)  void sig_hup_handler(int i)
 {  
         int i;  
         for (i = 0; i < length; i++)  
         {  
                 string[i] = ' ';  
         }  
         string[length] = '\0';  
         return string;  
 }  
   
 const char *get_time_str(char *string, size_t length)  
 {  
         char week[20];  
         char buffer[LINE_BUFFER_LEN];  
         time_t curtime;  
         struct tm *loctime;  
   
         curtime = time(NULL);  
         loctime = localtime(&curtime);  
   
         strftime(buffer, sizeof(buffer), "%Y年%m月%d日%H:%M:%S ", loctime);  
   
         switch (loctime->tm_wday)  
         {  
         case 0:  
                 strncpy(week, "星期天", sizeof(week));  
                 break;  
         case 1:  
                 strncpy(week, "星期一", sizeof(week));  
                 break;  
         case 2:  
                 strncpy(week, "星期二", sizeof(week));  
                 break;  
         case 3:  
                 strncpy(week, "星期三", sizeof(week));  
                 break;  
         case 4:  
                 strncpy(week, "星期四", sizeof(week));  
                 break;  
         case 5:  
                 strncpy(week, "星期五", sizeof(week));  
                 break;  
         case 6:  
                 strncpy(week, "星期六", sizeof(week));  
                 break;  
         }  
         strncat(buffer, week, sizeof(buffer) - 1 - strnlen(buffer, sizeof(buffer)));  
   
         strncpy(string, buffer, length);  
   
         return string;  
 }  
   
 void reload_bbs_menu(int i)  
79  {  {
80          if (reload_menu(&bbs_menu) < 0)          SYS_conf_reload = 1;
                 log_error("Reload menu failed\n");  
         else  
                 log_std("Reload menu successfully\n");  
81  }  }
82    
83  void system_exit(int i)  void sig_term_handler(int i)
84  {  {
85          SYS_exit = 1;          SYS_server_exit = 1;
86  }  }
87    
88  void child_exit(int i)  void sig_chld_handler(int i)
89  {  {
90          int pid;          SYS_child_exit = 1;
   
         pid = wait(0);  
   
         if (pid > 0)  
         {  
                 SYS_child_process_count--;  
                 log_std("Child process (%d) exited\n", pid);  
         }  
91  }  }

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