| 1 |
/* SPDX-License-Identifier: GPL-3.0-or-later */
|
| 2 |
/*
|
| 3 |
* main
|
| 4 |
* - entry of server program
|
| 5 |
*
|
| 6 |
* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
|
| 7 |
*/
|
| 8 |
|
| 9 |
#ifdef HAVE_CONFIG_H
|
| 10 |
#include "config.h"
|
| 11 |
#endif
|
| 12 |
|
| 13 |
#include "bbs.h"
|
| 14 |
#include "bwf.h"
|
| 15 |
#include "common.h"
|
| 16 |
#include "file_loader.h"
|
| 17 |
#include "init.h"
|
| 18 |
#include "io.h"
|
| 19 |
#include "lml.h"
|
| 20 |
#include "log.h"
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| 21 |
#include "menu.h"
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| 22 |
#include "net_server.h"
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| 23 |
#include "section_list_loader.h"
|
| 24 |
#include "user_list.h"
|
| 25 |
#include <errno.h>
|
| 26 |
#include <libgen.h>
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| 27 |
#include <locale.h>
|
| 28 |
#include <signal.h>
|
| 29 |
#include <stdio.h>
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| 30 |
#include <stdlib.h>
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| 31 |
#include <string.h>
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| 32 |
#include <unistd.h>
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| 33 |
#include <sys/stat.h>
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| 34 |
#include <sys/types.h>
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| 35 |
#include <sys/wait.h>
|
| 36 |
|
| 37 |
typedef void (*arg_option_handler_t)(void);
|
| 38 |
|
| 39 |
struct arg_option_t
|
| 40 |
{
|
| 41 |
const char *short_arg;
|
| 42 |
const char *long_arg;
|
| 43 |
const char *description;
|
| 44 |
arg_option_handler_t handler;
|
| 45 |
};
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| 46 |
typedef struct arg_option_t ARG_OPTION;
|
| 47 |
|
| 48 |
static void arg_foreground(void);
|
| 49 |
static void arg_help(void);
|
| 50 |
static void arg_version(void);
|
| 51 |
static void arg_display_log(void);
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| 52 |
static void arg_display_error_log(void);
|
| 53 |
static void arg_compile_info(void);
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| 54 |
static void arg_error(void);
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| 55 |
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| 56 |
static const ARG_OPTION arg_options[] = {
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| 57 |
{"-f", "--foreground", "Run in foreground", arg_foreground},
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| 58 |
{"-h", "--help", "Display help message", arg_help},
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| 59 |
{"-v", "--version", "Display version information", arg_version},
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| 60 |
{NULL, "--display-log", "Display standard log information", arg_display_log},
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| 61 |
{NULL, "--display-error-log", "Display error log information", arg_display_error_log},
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| 62 |
{"-C", "--compile-config", "Display compile configuration", arg_compile_info}};
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| 63 |
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| 64 |
static const int arg_options_count = sizeof(arg_options) / sizeof(ARG_OPTION);
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| 65 |
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| 66 |
static int daemon_service = 1;
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| 67 |
static int std_log_redir = 0;
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| 68 |
static int error_log_redir = 0;
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| 69 |
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| 70 |
static void arg_foreground(void)
|
| 71 |
{
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| 72 |
daemon_service = 0;
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| 73 |
}
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| 74 |
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| 75 |
static void arg_help(void)
|
| 76 |
{
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| 77 |
fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n");
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| 78 |
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| 79 |
for (int i = 0; i < arg_options_count; i++)
|
| 80 |
{
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| 81 |
fprintf(stderr, "%s%*s%s%*s%s\n",
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| 82 |
arg_options[i].short_arg ? arg_options[i].short_arg : "",
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| 83 |
8 - (arg_options[i].short_arg ? (int)strlen(arg_options[i].short_arg) : 0), "",
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| 84 |
arg_options[i].long_arg ? arg_options[i].long_arg : "",
|
| 85 |
24 - (arg_options[i].long_arg ? (int)strlen(arg_options[i].long_arg) : 0), "",
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| 86 |
arg_options[i].description ? arg_options[i].description : "");
|
| 87 |
}
|
| 88 |
|
| 89 |
fprintf(stderr, "\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
|
| 90 |
}
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| 91 |
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| 92 |
static void arg_version(void)
|
| 93 |
{
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| 94 |
printf("%s\n", APP_INFO);
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| 95 |
printf("%s\n", COPYRIGHT_INFO);
|
| 96 |
}
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| 97 |
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| 98 |
static void arg_display_log(void)
|
| 99 |
{
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| 100 |
std_log_redir = 1;
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| 101 |
}
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| 102 |
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| 103 |
static void arg_display_error_log(void)
|
| 104 |
{
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| 105 |
error_log_redir = 1;
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| 106 |
}
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| 107 |
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| 108 |
static void arg_compile_info(void)
|
| 109 |
{
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| 110 |
printf("%s\n"
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| 111 |
"--enable-shared\t\t[%s]\n"
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| 112 |
"--enable-systemd\t[%s]\n"
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| 113 |
"--with-debug\t\t[%s]\n"
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| 114 |
"--with-epoll\t\t[%s]\n"
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| 115 |
"--with-mariadb\t\t[%s]\n"
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| 116 |
"--with-sysv\t\t[%s]\n",
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| 117 |
APP_INFO,
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| 118 |
#ifdef _ENABLE_SHARED
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| 119 |
"yes",
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| 120 |
#else
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| 121 |
"no",
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| 122 |
#endif
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| 123 |
#ifdef HAVE_SYSTEMD_SD_DAEMON_H
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| 124 |
"yes",
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| 125 |
#else
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| 126 |
"no",
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| 127 |
#endif
|
| 128 |
#ifdef _DEBUG
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| 129 |
"yes",
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| 130 |
#else
|
| 131 |
"no",
|
| 132 |
#endif
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| 133 |
#ifdef HAVE_SYS_EPOLL_H
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| 134 |
"yes",
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| 135 |
#else
|
| 136 |
"no",
|
| 137 |
#endif
|
| 138 |
#ifdef HAVE_MARIADB_CLIENT
|
| 139 |
"yes",
|
| 140 |
#else
|
| 141 |
"no",
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| 142 |
#endif
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| 143 |
#ifdef HAVE_SYSTEM_V
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| 144 |
"yes"
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| 145 |
#else
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| 146 |
"no"
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| 147 |
#endif
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| 148 |
);
|
| 149 |
}
|
| 150 |
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| 151 |
static void arg_error(void)
|
| 152 |
{
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| 153 |
fprintf(stderr, "Invalid arguments\n");
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| 154 |
arg_help();
|
| 155 |
}
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| 156 |
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| 157 |
int main(int argc, char *argv[])
|
| 158 |
{
|
| 159 |
char file_path_temp[FILE_PATH_LEN];
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| 160 |
FILE *fp;
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| 161 |
int ret;
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| 162 |
int last_aid;
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| 163 |
struct sigaction act = {0};
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| 164 |
int i;
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| 165 |
int j;
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| 166 |
struct stat file_stat;
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| 167 |
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| 168 |
// Parse args
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| 169 |
for (i = 1; i < argc; i++)
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| 170 |
{
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| 171 |
for (j = 0; j < arg_options_count; j++)
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| 172 |
{
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| 173 |
if (arg_options[j].short_arg && strcmp(argv[i], arg_options[j].short_arg) == 0)
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| 174 |
{
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| 175 |
arg_options[j].handler();
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| 176 |
break;
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| 177 |
}
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| 178 |
else if (arg_options[j].long_arg && strcmp(argv[i], arg_options[j].long_arg) == 0)
|
| 179 |
{
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| 180 |
arg_options[j].handler();
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| 181 |
break;
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| 182 |
}
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| 183 |
}
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| 184 |
if (j == arg_options_count)
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| 185 |
{
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| 186 |
arg_error();
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| 187 |
return -1;
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| 188 |
}
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| 189 |
}
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| 190 |
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| 191 |
// Initialize daemon
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| 192 |
if (daemon_service)
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{
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init_daemon();
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}
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| 197 |
// Change current dir
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| 198 |
strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
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| 199 |
file_path_temp[sizeof(file_path_temp) - 1] = '\0';
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| 200 |
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| 201 |
if (chdir(dirname(file_path_temp)) < 0)
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| 202 |
{
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| 203 |
fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
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| 204 |
return -1;
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| 205 |
}
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| 206 |
if (chdir("..") < 0)
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{
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| 208 |
fprintf(stderr, "chdir(..) error: %d\n", errno);
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| 209 |
return -1;
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| 210 |
}
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| 211 |
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| 212 |
// Apply the specified locale
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| 213 |
if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
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| 214 |
{
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| 215 |
fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
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| 216 |
return -1;
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}
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| 219 |
// Initialize log
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| 220 |
if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
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| 221 |
{
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| 222 |
return -1;
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}
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| 224 |
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| 225 |
if ((!daemon_service) && std_log_redir)
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{
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| 227 |
log_common_redir(STDERR_FILENO);
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| 228 |
}
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| 229 |
if ((!daemon_service) && error_log_redir)
|
| 230 |
{
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| 231 |
log_error_redir(STDERR_FILENO);
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| 232 |
}
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| 233 |
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| 234 |
log_common("Starting %s", APP_INFO);
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| 235 |
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| 236 |
// Load configuration
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| 237 |
if (load_conf(CONF_BBSD) < 0)
|
| 238 |
{
|
| 239 |
return -2;
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| 240 |
}
|
| 241 |
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| 242 |
// Load BWF config
|
| 243 |
if (bwf_load(CONF_BWF) < 0)
|
| 244 |
{
|
| 245 |
return -2;
|
| 246 |
}
|
| 247 |
|
| 248 |
// Get EULA modification tm
|
| 249 |
if (stat(DATA_EULA, &file_stat) == -1)
|
| 250 |
{
|
| 251 |
log_error("stat(%s) error", DATA_EULA, errno);
|
| 252 |
goto cleanup;
|
| 253 |
}
|
| 254 |
BBS_eula_tm = file_stat.st_mtim.tv_sec;
|
| 255 |
|
| 256 |
// Check article cache dir
|
| 257 |
ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
|
| 258 |
if (ret == -1 && errno != EEXIST)
|
| 259 |
{
|
| 260 |
log_error("mkdir(%s) error (%d)", VAR_ARTICLE_CACHE_DIR, errno);
|
| 261 |
goto cleanup;
|
| 262 |
}
|
| 263 |
|
| 264 |
// Check section aid location dir
|
| 265 |
ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
|
| 266 |
if (ret == -1 && errno != EEXIST)
|
| 267 |
{
|
| 268 |
log_error("mkdir(%s) error (%d)", VAR_SECTION_AID_LOC_DIR, errno);
|
| 269 |
goto cleanup;
|
| 270 |
}
|
| 271 |
|
| 272 |
// Initialize data pools
|
| 273 |
if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
|
| 274 |
{
|
| 275 |
log_error("fopen(%s) error", VAR_ARTICLE_BLOCK_SHM);
|
| 276 |
goto cleanup;
|
| 277 |
}
|
| 278 |
fclose(fp);
|
| 279 |
if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
|
| 280 |
{
|
| 281 |
log_error("fopen(%s) error", VAR_SECTION_LIST_SHM);
|
| 282 |
goto cleanup;
|
| 283 |
}
|
| 284 |
fclose(fp);
|
| 285 |
if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
|
| 286 |
{
|
| 287 |
log_error("fopen(%s) error", VAR_TRIE_DICT_SHM);
|
| 288 |
goto cleanup;
|
| 289 |
}
|
| 290 |
fclose(fp);
|
| 291 |
if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
|
| 292 |
{
|
| 293 |
log_error("fopen(%s) error", VAR_USER_LIST_SHM);
|
| 294 |
goto cleanup;
|
| 295 |
}
|
| 296 |
fclose(fp);
|
| 297 |
|
| 298 |
if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
|
| 299 |
{
|
| 300 |
log_error("trie_dict_init(%s, %d) error", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
|
| 301 |
goto cleanup;
|
| 302 |
}
|
| 303 |
if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
|
| 304 |
{
|
| 305 |
log_error("article_block_init(%s, %d) error", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
|
| 306 |
goto cleanup;
|
| 307 |
}
|
| 308 |
if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
|
| 309 |
{
|
| 310 |
log_error("section_list_pool_init(%s) error", VAR_SECTION_LIST_SHM);
|
| 311 |
goto cleanup;
|
| 312 |
}
|
| 313 |
|
| 314 |
// Init LML module
|
| 315 |
if (lml_init() < 0)
|
| 316 |
{
|
| 317 |
log_error("lml_init() error");
|
| 318 |
goto cleanup;
|
| 319 |
}
|
| 320 |
|
| 321 |
// Load BBS cmd
|
| 322 |
if (load_cmd() < 0)
|
| 323 |
{
|
| 324 |
log_error("load_cmd() error");
|
| 325 |
goto cleanup;
|
| 326 |
}
|
| 327 |
|
| 328 |
// Load menus
|
| 329 |
if (load_menu(&bbs_menu, CONF_MENU) < 0)
|
| 330 |
{
|
| 331 |
log_error("load_menu(bbs_menu) error");
|
| 332 |
goto cleanup;
|
| 333 |
}
|
| 334 |
if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
|
| 335 |
{
|
| 336 |
log_error("load_menu(top10_menu) error");
|
| 337 |
goto cleanup;
|
| 338 |
}
|
| 339 |
top10_menu.allow_exit = 1;
|
| 340 |
|
| 341 |
// Load data files
|
| 342 |
for (int i = 0; i < data_files_load_startup_count; i++)
|
| 343 |
{
|
| 344 |
if (load_file(data_files_load_startup[i]) < 0)
|
| 345 |
{
|
| 346 |
log_error("load_file(%s) error", data_files_load_startup[i]);
|
| 347 |
}
|
| 348 |
}
|
| 349 |
|
| 350 |
// Load user_list and online_user_list
|
| 351 |
if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
|
| 352 |
{
|
| 353 |
log_error("user_list_pool_init(%s) error", VAR_USER_LIST_SHM);
|
| 354 |
goto cleanup;
|
| 355 |
}
|
| 356 |
if (user_list_pool_reload(0) < 0)
|
| 357 |
{
|
| 358 |
log_error("user_list_pool_reload(all_user) error");
|
| 359 |
goto cleanup;
|
| 360 |
}
|
| 361 |
if (user_list_pool_reload(1) < 0)
|
| 362 |
{
|
| 363 |
log_error("user_list_pool_reload(online_user) error");
|
| 364 |
goto cleanup;
|
| 365 |
}
|
| 366 |
|
| 367 |
// Load section config and gen_ex
|
| 368 |
if (load_section_config_from_db(1) < 0)
|
| 369 |
{
|
| 370 |
log_error("load_section_config_from_db(0) error");
|
| 371 |
goto cleanup;
|
| 372 |
}
|
| 373 |
|
| 374 |
set_last_article_op_log_from_db();
|
| 375 |
last_aid = 0;
|
| 376 |
|
| 377 |
// Load section articles
|
| 378 |
do
|
| 379 |
{
|
| 380 |
if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
|
| 381 |
{
|
| 382 |
log_error("append_articles_from_db(0, 1, %d) error", LOAD_ARTICLE_COUNT_LIMIT);
|
| 383 |
goto cleanup;
|
| 384 |
}
|
| 385 |
|
| 386 |
last_aid = article_block_last_aid();
|
| 387 |
} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
|
| 388 |
|
| 389 |
log_common("Initially load %d articles, last_aid = %d", article_block_article_count(), article_block_last_aid());
|
| 390 |
|
| 391 |
if ((ret = user_stat_update()) < 0)
|
| 392 |
{
|
| 393 |
log_error("user_stat_update() error");
|
| 394 |
goto cleanup;
|
| 395 |
}
|
| 396 |
|
| 397 |
// Set signal handler
|
| 398 |
act.sa_handler = sig_hup_handler;
|
| 399 |
if (sigaction(SIGHUP, &act, NULL) == -1)
|
| 400 |
{
|
| 401 |
log_error("set signal action of SIGHUP error: %d", errno);
|
| 402 |
goto cleanup;
|
| 403 |
}
|
| 404 |
act.sa_handler = sig_chld_handler;
|
| 405 |
if (sigaction(SIGCHLD, &act, NULL) == -1)
|
| 406 |
{
|
| 407 |
log_error("set signal action of SIGCHLD error: %d", errno);
|
| 408 |
goto cleanup;
|
| 409 |
}
|
| 410 |
act.sa_handler = sig_term_handler;
|
| 411 |
if (sigaction(SIGTERM, &act, NULL) == -1)
|
| 412 |
{
|
| 413 |
log_error("set signal action of SIGTERM error: %d", errno);
|
| 414 |
goto cleanup;
|
| 415 |
}
|
| 416 |
act.sa_handler = SIG_IGN;
|
| 417 |
if (sigaction(SIGPIPE, &act, NULL) == -1)
|
| 418 |
{
|
| 419 |
log_error("set signal action of SIGPIPE error: %d", errno);
|
| 420 |
goto cleanup;
|
| 421 |
}
|
| 422 |
act.sa_handler = SIG_IGN;
|
| 423 |
if (sigaction(SIGUSR1, &act, NULL) == -1)
|
| 424 |
{
|
| 425 |
log_error("set signal action of SIGUSR1 error: %d", errno);
|
| 426 |
goto cleanup;
|
| 427 |
}
|
| 428 |
|
| 429 |
// Launch section_list_loader process
|
| 430 |
if (section_list_loader_launch() < 0)
|
| 431 |
{
|
| 432 |
log_error("section_list_loader_launch() error");
|
| 433 |
goto cleanup;
|
| 434 |
}
|
| 435 |
|
| 436 |
// Initialize socket server
|
| 437 |
net_server(BBS_address, BBS_port);
|
| 438 |
|
| 439 |
cleanup:
|
| 440 |
// Cleanup loader process if still running
|
| 441 |
if (SYS_child_process_count > 0)
|
| 442 |
{
|
| 443 |
SYS_child_exit = 0;
|
| 444 |
|
| 445 |
if (kill(section_list_loader_pid, SIGTERM) < 0)
|
| 446 |
{
|
| 447 |
log_error("Send SIGTERM signal failed (%d)", errno);
|
| 448 |
}
|
| 449 |
|
| 450 |
for (i = 0; SYS_child_exit == 0 && i < 5; i++)
|
| 451 |
{
|
| 452 |
sleep(1); // second
|
| 453 |
}
|
| 454 |
|
| 455 |
if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
|
| 456 |
{
|
| 457 |
log_error("waitpid(%d) error (%d)", section_list_loader_pid, errno);
|
| 458 |
}
|
| 459 |
else if (ret == 0)
|
| 460 |
{
|
| 461 |
log_common("Force kill section_list_loader process (%d)", section_list_loader_pid);
|
| 462 |
if (kill(section_list_loader_pid, SIGKILL) < 0)
|
| 463 |
{
|
| 464 |
log_error("Send SIGKILL signal failed (%d)", errno);
|
| 465 |
}
|
| 466 |
}
|
| 467 |
}
|
| 468 |
|
| 469 |
// Cleanup loaded data files
|
| 470 |
for (int i = 0; i < data_files_load_startup_count; i++)
|
| 471 |
{
|
| 472 |
if (unload_file(data_files_load_startup[i]) < 0)
|
| 473 |
{
|
| 474 |
log_error("unload_file(%s) error", data_files_load_startup[i]);
|
| 475 |
}
|
| 476 |
}
|
| 477 |
|
| 478 |
// Cleanup menu
|
| 479 |
unload_menu(&bbs_menu);
|
| 480 |
unload_menu(&top10_menu);
|
| 481 |
|
| 482 |
// Cleanup LML module
|
| 483 |
lml_cleanup();
|
| 484 |
|
| 485 |
// Cleanup data pools
|
| 486 |
section_list_cleanup();
|
| 487 |
article_block_cleanup();
|
| 488 |
trie_dict_cleanup();
|
| 489 |
user_list_pool_cleanup();
|
| 490 |
|
| 491 |
if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
|
| 492 |
{
|
| 493 |
log_error("unlink(%s) error", VAR_ARTICLE_BLOCK_SHM);
|
| 494 |
}
|
| 495 |
if (unlink(VAR_SECTION_LIST_SHM) < 0)
|
| 496 |
{
|
| 497 |
log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
|
| 498 |
}
|
| 499 |
if (unlink(VAR_TRIE_DICT_SHM) < 0)
|
| 500 |
{
|
| 501 |
log_error("unlink(%s) error", VAR_TRIE_DICT_SHM);
|
| 502 |
}
|
| 503 |
if (unlink(VAR_USER_LIST_SHM) < 0)
|
| 504 |
{
|
| 505 |
log_error("unlink(%s) error", VAR_SECTION_LIST_SHM);
|
| 506 |
}
|
| 507 |
|
| 508 |
log_common("Main process exit normally");
|
| 509 |
|
| 510 |
log_end();
|
| 511 |
|
| 512 |
return 0;
|
| 513 |
}
|
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