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/* SPDX-License-Identifier: GPL-3.0-or-later */
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| 2 |
/*
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| 3 |
* main
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* - entry of server program
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| 5 |
*
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| 6 |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
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*/
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| 8 |
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| 9 |
#ifdef HAVE_CONFIG_H
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| 10 |
#include "config.h"
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| 11 |
#endif
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| 12 |
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| 13 |
#include "bbs.h"
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| 14 |
#include "bwf.h"
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| 15 |
#include "common.h"
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| 16 |
#include "file_loader.h"
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| 17 |
#include "init.h"
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| 18 |
#include "io.h"
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| 19 |
#include "log.h"
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#include "menu.h"
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| 21 |
#include "net_server.h"
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| 22 |
#include "section_list_loader.h"
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| 23 |
#include "user_list.h"
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| 24 |
#include <errno.h>
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| 25 |
#include <libgen.h>
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| 26 |
#include <locale.h>
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| 27 |
#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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| 30 |
#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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static void app_help(void)
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{
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fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
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"-f\t--foreground\t\tForce program run in foreground\n"
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"-h\t--help\t\t\tDisplay this help message\n"
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"-v\t--version\t\tDisplay version information\n"
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"\t--display-log\t\tDisplay standard log information\n"
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"\t--display-error-log\tDisplay error log information\n"
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"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
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}
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static void arg_error(void)
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{
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fprintf(stderr, "Invalid arguments\n");
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app_help();
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}
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int main(int argc, char *argv[])
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{
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char file_path_temp[FILE_PATH_LEN];
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int daemon = 1;
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int std_log_redir = 0;
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int error_log_redir = 0;
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FILE *fp;
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int ret;
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int last_aid;
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struct sigaction act = {0};
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int i;
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int j;
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// Parse args
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for (i = 1; i < argc; i++)
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{
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switch (argv[i][0])
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{
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case '-':
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if (argv[i][1] != '-')
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{
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for (j = 1; j < strlen(argv[i]); j++)
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{
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switch (argv[i][j])
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{
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case 'f':
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daemon = 0;
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break;
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case 'h':
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app_help();
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return 0;
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case 'v':
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printf("%s\n", APP_INFO);
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printf("%s\n", COPYRIGHT_INFO);
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return 0;
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default:
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arg_error();
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return 1;
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}
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}
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| 93 |
}
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| 94 |
else
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| 95 |
{
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| 96 |
if (strcmp(argv[i] + 2, "foreground") == 0)
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| 97 |
{
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| 98 |
daemon = 0;
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break;
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}
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if (strcmp(argv[i] + 2, "help") == 0)
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{
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| 103 |
app_help();
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return 0;
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}
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if (strcmp(argv[i] + 2, "version") == 0)
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{
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printf("%s\n", APP_INFO);
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printf("%s\n", COPYRIGHT_INFO);
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return 0;
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}
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| 112 |
if (strcmp(argv[i] + 2, "display-log") == 0)
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{
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std_log_redir = 1;
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| 115 |
}
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| 116 |
if (strcmp(argv[i] + 2, "display-error-log") == 0)
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| 117 |
{
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| 118 |
error_log_redir = 1;
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}
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}
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break;
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}
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}
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| 124 |
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// Initialize daemon
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if (daemon)
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{
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init_daemon();
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}
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// Change current dir
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strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
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file_path_temp[sizeof(file_path_temp) - 1] = '\0';
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if (chdir(dirname(file_path_temp)) < 0)
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{
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fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
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return -1;
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}
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if (chdir("..") < 0)
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{
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fprintf(stderr, "chdir(..) error: %d\n", errno);
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return -1;
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}
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#if defined(__CYGWIN__)
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if (chdir("..") < 0)
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{
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| 148 |
fprintf(stderr, "chdir(..) error: %d\n", errno);
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return -1;
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}
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#endif
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// Apply the specified locale
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if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
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{
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fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
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return -1;
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}
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| 160 |
// Initialize log
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if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
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{
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return -1;
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}
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if ((!daemon) && std_log_redir)
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{
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log_common_redir(STDERR_FILENO);
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}
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if ((!daemon) && error_log_redir)
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{
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log_error_redir(STDERR_FILENO);
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}
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log_common("Starting %s\n", APP_INFO);
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// Load configuration
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if (load_conf(CONF_BBSD) < 0)
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{
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return -2;
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}
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// Load BWF config
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if (bwf_load(CONF_BWF) < 0)
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{
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return -2;
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}
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// Check article cache dir
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ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
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if (ret == -1 && errno != EEXIST)
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{
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log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
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goto cleanup;
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}
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// Check section aid location dir
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ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
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if (ret == -1 && errno != EEXIST)
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{
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log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
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goto cleanup;
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}
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// Initialize data pools
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if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
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{
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log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
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goto cleanup;
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}
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fclose(fp);
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if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
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{
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log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
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goto cleanup;
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}
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fclose(fp);
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if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
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{
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log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
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goto cleanup;
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}
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fclose(fp);
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if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
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{
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log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
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goto cleanup;
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}
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fclose(fp);
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if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
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{
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log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
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goto cleanup;
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}
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if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
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{
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log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
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goto cleanup;
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}
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if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
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{
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log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
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goto cleanup;
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}
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| 246 |
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| 247 |
// Load BBS cmd
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| 248 |
if (load_cmd() < 0)
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| 249 |
{
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| 250 |
goto cleanup;
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| 251 |
}
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| 252 |
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| 253 |
// Load menus
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| 254 |
if (load_menu(&bbs_menu, CONF_MENU) < 0)
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| 255 |
{
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| 256 |
log_error("load_menu(%s) error\n", CONF_MENU);
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| 257 |
goto cleanup;
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| 258 |
}
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| 259 |
if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
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| 260 |
{
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| 261 |
log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
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| 262 |
goto cleanup;
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| 263 |
}
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| 264 |
top10_menu.allow_exit = 1;
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| 265 |
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| 266 |
// Load data files
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| 267 |
if (file_loader_init() < 0)
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| 268 |
{
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| 269 |
log_error("file_loader_init() error\n");
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| 270 |
goto cleanup;
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| 271 |
}
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| 272 |
for (int i = 0; i < data_files_load_startup_count; i++)
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| 273 |
{
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| 274 |
if (load_file(data_files_load_startup[i]) < 0)
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| 275 |
{
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| 276 |
log_error("load_file(%s) error\n", data_files_load_startup[i]);
|
| 277 |
}
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| 278 |
}
|
| 279 |
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| 280 |
// Load user_list and online_user_list
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| 281 |
if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
|
| 282 |
{
|
| 283 |
log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
|
| 284 |
goto cleanup;
|
| 285 |
}
|
| 286 |
if (user_list_pool_reload(0) < 0)
|
| 287 |
{
|
| 288 |
log_error("user_list_pool_reload(all_user) error\n");
|
| 289 |
goto cleanup;
|
| 290 |
}
|
| 291 |
if (user_list_pool_reload(1) < 0)
|
| 292 |
{
|
| 293 |
log_error("user_list_pool_reload(online_user) error\n");
|
| 294 |
goto cleanup;
|
| 295 |
}
|
| 296 |
|
| 297 |
// Load section config and gen_ex
|
| 298 |
if (load_section_config_from_db(1) < 0)
|
| 299 |
{
|
| 300 |
log_error("load_section_config_from_db(0) error\n");
|
| 301 |
goto cleanup;
|
| 302 |
}
|
| 303 |
|
| 304 |
set_last_article_op_log_from_db();
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| 305 |
last_aid = 0;
|
| 306 |
|
| 307 |
// Load section articles
|
| 308 |
do
|
| 309 |
{
|
| 310 |
if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
|
| 311 |
{
|
| 312 |
log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
|
| 313 |
goto cleanup;
|
| 314 |
}
|
| 315 |
|
| 316 |
last_aid = article_block_last_aid();
|
| 317 |
} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
|
| 318 |
|
| 319 |
log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
|
| 320 |
|
| 321 |
if ((ret = user_stat_update()) < 0)
|
| 322 |
{
|
| 323 |
log_error("user_stat_update() error\n");
|
| 324 |
goto cleanup;
|
| 325 |
}
|
| 326 |
|
| 327 |
// Set signal handler
|
| 328 |
act.sa_handler = sig_hup_handler;
|
| 329 |
if (sigaction(SIGHUP, &act, NULL) == -1)
|
| 330 |
{
|
| 331 |
log_error("set signal action of SIGHUP error: %d\n", errno);
|
| 332 |
goto cleanup;
|
| 333 |
}
|
| 334 |
act.sa_handler = sig_chld_handler;
|
| 335 |
if (sigaction(SIGCHLD, &act, NULL) == -1)
|
| 336 |
{
|
| 337 |
log_error("set signal action of SIGCHLD error: %d\n", errno);
|
| 338 |
goto cleanup;
|
| 339 |
}
|
| 340 |
act.sa_handler = sig_term_handler;
|
| 341 |
if (sigaction(SIGTERM, &act, NULL) == -1)
|
| 342 |
{
|
| 343 |
log_error("set signal action of SIGTERM error: %d\n", errno);
|
| 344 |
goto cleanup;
|
| 345 |
}
|
| 346 |
act.sa_handler = SIG_IGN;
|
| 347 |
if (sigaction(SIGUSR1, &act, NULL) == -1)
|
| 348 |
{
|
| 349 |
log_error("set signal action of SIGUSR1 error: %d\n", errno);
|
| 350 |
goto cleanup;
|
| 351 |
}
|
| 352 |
|
| 353 |
// Launch section_list_loader process
|
| 354 |
if (section_list_loader_launch() < 0)
|
| 355 |
{
|
| 356 |
log_error("section_list_loader_launch() error\n");
|
| 357 |
goto cleanup;
|
| 358 |
}
|
| 359 |
|
| 360 |
// Initialize socket server
|
| 361 |
net_server(BBS_address, BBS_port);
|
| 362 |
|
| 363 |
cleanup:
|
| 364 |
// Cleanup loader process if still running
|
| 365 |
if (SYS_child_process_count > 0)
|
| 366 |
{
|
| 367 |
SYS_child_exit = 0;
|
| 368 |
|
| 369 |
if (kill(section_list_loader_pid, SIGTERM) < 0)
|
| 370 |
{
|
| 371 |
log_error("Send SIGTERM signal failed (%d)\n", errno);
|
| 372 |
}
|
| 373 |
|
| 374 |
for(i = 0; SYS_child_exit == 0 && i < 5; i++)
|
| 375 |
{
|
| 376 |
sleep(1); // second
|
| 377 |
}
|
| 378 |
|
| 379 |
if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
|
| 380 |
{
|
| 381 |
log_error("waitpid(%d) error (%d)\n", section_list_loader_pid, errno);
|
| 382 |
}
|
| 383 |
else if (ret == 0)
|
| 384 |
{
|
| 385 |
log_common("Force kill section_list_loader process (%d)\n", section_list_loader_pid);
|
| 386 |
if (kill(section_list_loader_pid, SIGKILL) < 0)
|
| 387 |
{
|
| 388 |
log_error("Send SIGKILL signal failed (%d)\n", errno);
|
| 389 |
}
|
| 390 |
}
|
| 391 |
}
|
| 392 |
|
| 393 |
// Cleanup loaded data files
|
| 394 |
file_loader_cleanup();
|
| 395 |
|
| 396 |
// Cleanup menu
|
| 397 |
unload_menu(&bbs_menu);
|
| 398 |
unload_menu(&top10_menu);
|
| 399 |
|
| 400 |
// Cleanup data pools
|
| 401 |
section_list_cleanup();
|
| 402 |
article_block_cleanup();
|
| 403 |
trie_dict_cleanup();
|
| 404 |
user_list_pool_cleanup();
|
| 405 |
|
| 406 |
// Cleanup BWF
|
| 407 |
bwf_unload();
|
| 408 |
|
| 409 |
if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
|
| 410 |
{
|
| 411 |
log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
|
| 412 |
}
|
| 413 |
if (unlink(VAR_SECTION_LIST_SHM) < 0)
|
| 414 |
{
|
| 415 |
log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
|
| 416 |
}
|
| 417 |
if (unlink(VAR_TRIE_DICT_SHM) < 0)
|
| 418 |
{
|
| 419 |
log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
|
| 420 |
}
|
| 421 |
if (unlink(VAR_USER_LIST_SHM) < 0)
|
| 422 |
{
|
| 423 |
log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
|
| 424 |
}
|
| 425 |
|
| 426 |
log_common("Main process exit normally\n");
|
| 427 |
|
| 428 |
log_end();
|
| 429 |
|
| 430 |
return 0;
|
| 431 |
}
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