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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* init
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* - initializer of server daemon
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*
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* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
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*/
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#include "bbs.h"
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#include "common.h"
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#include "database.h"
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#include "init.h"
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#include "io.h"
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#include "log.h"
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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static const char CONF_DELIM_WITH_SPACE[] = " \t\r\n";
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int init_daemon(void)
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{
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int pid;
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pid = fork();
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if (pid > 0) // Parent process
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{
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_exit(0);
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}
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else if (pid < 0) // error
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{
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_exit(pid);
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}
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// Child process
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setsid();
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pid = fork();
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if (pid > 0) // Parent process
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{
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_exit(0);
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}
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else if (pid < 0) // error
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{
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_exit(pid);
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}
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// Child process
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umask(022);
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return 0;
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}
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int load_conf(const char *conf_file)
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{
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char buffer[LINE_BUFFER_LEN];
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char *saveptr = NULL;
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char *p, *q, *r;
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char *y, *m, *d;
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int v;
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FILE *fin;
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// Load configuration
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if ((fin = fopen(conf_file, "r")) == NULL)
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{
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log_error("Open %s failed", conf_file);
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return -1;
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}
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while (fgets(buffer, sizeof(buffer), fin) != NULL)
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{
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p = strtok_r(buffer, CONF_DELIM_WITH_SPACE, &saveptr);
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if (p == NULL) // Blank line
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{
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continue;
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}
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if (*p == '#' || *p == '\r' || *p == '\n') // Comment or blank line
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{
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continue;
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}
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q = strtok_r(NULL, CONF_DELIM_WITH_SPACE, &saveptr);
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if (q == NULL) // Empty value
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{
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log_error("Skip empty value of config item: %s\n", p);
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continue;
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}
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// Check syntax
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r = strtok_r(NULL, CONF_DELIM_WITH_SPACE, &saveptr);
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if (r != NULL && r[0] != '#')
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{
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log_error("Skip config line with extra value %s = %s %s\n", p, q, r);
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continue;
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}
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if (strcasecmp(p, "bbs_id") == 0)
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{
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strncpy(BBS_id, q, sizeof(BBS_id) - 1);
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BBS_id[sizeof(BBS_id) - 1] = '\0';
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}
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else if (strcasecmp(p, "bbs_name") == 0)
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{
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strncpy(BBS_name, q, sizeof(BBS_name) - 1);
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BBS_name[sizeof(BBS_name) - 1] = '\0';
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}
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else if (strcasecmp(p, "bbs_server") == 0)
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{
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strncpy(BBS_server, q, sizeof(BBS_server) - 1);
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BBS_server[sizeof(BBS_server) - 1] = '\0';
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}
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else if (strcasecmp(p, "bbs_address") == 0)
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{
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strncpy(BBS_address, q, sizeof(BBS_address) - 1);
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BBS_address[sizeof(BBS_address) - 1] = '\0';
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}
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else if (strcasecmp(p, "bbs_port") == 0)
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{
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BBS_port[0] = (in_port_t)atoi(q);
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}
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else if (strcasecmp(p, "bbs_ssh_port") == 0)
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{
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BBS_port[1] = (in_port_t)atoi(q);
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}
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else if (strcasecmp(p, "bbs_max_client") == 0)
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{
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BBS_max_client = atoi(q);
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if (BBS_max_client <= 0 || BBS_max_client > MAX_CLIENT_LIMIT)
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{
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log_error("Ignore config bbs_max_client with incorrect value %d\n", BBS_max_client);
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BBS_max_client = MAX_CLIENT_LIMIT;
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}
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}
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else if (strcasecmp(p, "bbs_max_client_per_ip") == 0)
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{
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BBS_max_client_per_ip = atoi(q);
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if (BBS_max_client_per_ip <= 0 || BBS_max_client_per_ip > MAX_CLIENT_PER_IP_LIMIT)
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{
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log_error("Ignore config bbs_max_client with incorrect value %d\n", BBS_max_client_per_ip);
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BBS_max_client_per_ip = MAX_CLIENT_PER_IP_LIMIT;
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}
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}
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else if (strcasecmp(p, "bbs_start_dt") == 0)
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{
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y = strtok_r(q, "-", &saveptr);
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m = strtok_r(NULL, "-", &saveptr);
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d = strtok_r(NULL, "-", &saveptr);
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if (y == NULL || m == NULL || d == NULL)
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{
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log_error("Ignore config bbs_start_dt with incorrect value\n");
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continue;
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}
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snprintf(BBS_start_dt, sizeof(BBS_start_dt), "%4s年%2s月%2s日", y, m, d);
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}
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else if (strcasecmp(p, "bbs_sys_id") == 0)
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{
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v = atoi(q);
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if (v <= 0)
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{
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log_error("Ignore config bbs_sys_id with incorrect value %d\n", v);
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continue;
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}
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BBS_sys_id = v;
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}
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else if (strcasecmp(p, "db_host") == 0)
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{
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strncpy(DB_host, q, sizeof(DB_host) - 1);
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DB_host[sizeof(DB_host) - 1] = '\0';
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}
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else if (strcasecmp(p, "db_username") == 0)
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{
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strncpy(DB_username, q, sizeof(DB_username) - 1);
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DB_username[sizeof(DB_username) - 1] = '\0';
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}
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else if (strcasecmp(p, "db_password") == 0)
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{
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strncpy(DB_password, q, sizeof(DB_password) - 1);
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DB_password[sizeof(DB_password) - 1] = '\0';
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}
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else if (strcasecmp(p, "db_database") == 0)
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{
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strncpy(DB_database, q, sizeof(DB_database) - 1);
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DB_database[sizeof(DB_database) - 1] = '\0';
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}
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else if (strcasecmp(p, "db_timezone") == 0)
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{
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strncpy(DB_timezone, q, sizeof(DB_timezone) - 1);
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DB_timezone[sizeof(DB_timezone) - 1] = '\0';
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}
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else
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{
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log_error("Unknown config %s = %s\n", p, q);
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}
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}
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fclose(fin);
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return 0;
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}
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