462 lines
14 KiB
C
462 lines
14 KiB
C
#include <stdio.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include "bbs.h"
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#include "inih/ini.h"
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extern struct bbs_config conf;
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void sigterm_handler(int s)
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{
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remove(conf.pid_file);
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exit(0);
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}
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void sigchld_handler(int s)
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{
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// waitpid() might overwrite errno, so we save and restore it:
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int saved_errno = errno;
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while(waitpid(-1, NULL, WNOHANG) > 0);
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errno = saved_errno;
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}
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static int door_config_handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct bbs_config *conf = (struct bbs_config *)user;
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int i;
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for (i=0;i<conf->door_count;i++) {
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if (strcasecmp(conf->doors[i]->name, section) == 0) {
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// found it
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if (strcasecmp(name, "key") == 0) {
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conf->doors[i]->key = value[0];
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} else if (strcasecmp(name, "command") == 0) {
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conf->doors[i]->command = strdup(value);
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} else if (strcasecmp(name, "stdio") == 0) {
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if (strcasecmp(value, "true") == 0) {
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conf->doors[i]->stdio = 1;
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} else {
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conf->doors[i]->stdio = 0;
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}
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}
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return 1;
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}
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}
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if (conf->door_count == 0) {
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conf->doors = (struct door_config **)malloc(sizeof(struct door_config *));
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} else {
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conf->doors = (struct door_config **)realloc(conf->doors, sizeof(struct door_config *) * (conf->door_count + 1));
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}
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conf->doors[conf->door_count] = (struct door_config *)malloc(sizeof(struct door_config));
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conf->doors[conf->door_count]->name = strdup(section);
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if (strcasecmp(name, "key") == 0) {
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conf->doors[conf->door_count]->key = value[0];
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} else if (strcasecmp(name, "command") == 0) {
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conf->doors[conf->door_count]->command = strdup(value);
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} else if (strcasecmp(name, "stdio") == 0) {
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if (strcasecmp(value, "true") == 0) {
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conf->doors[conf->door_count]->stdio = 1;
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} else {
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conf->doors[conf->door_count]->stdio = 0;
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}
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}
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conf->door_count++;
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return 1;
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}
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static int file_sub_handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct file_directory *fd = (struct file_directory *)user;
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int i;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "visible sec level")) {
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fd->sec_level = atoi(value);
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}
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} else {
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// check if it's partially filled in
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for (i=0;i<fd->file_sub_count;i++) {
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if (strcasecmp(fd->file_subs[i]->name, section) == 0) {
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if (strcasecmp(name, "upload sec level") == 0) {
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fd->file_subs[i]->upload_sec_level = atoi(value);
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} else if (strcasecmp(name, "download sec level") == 0) {
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fd->file_subs[i]->download_sec_level = atoi(value);
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} else if (strcasecmp(name, "database") == 0) {
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fd->file_subs[i]->database = strdup(value);
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} else if (strcasecmp(name, "upload path") == 0) {
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fd->file_subs[i]->upload_path = strdup(value);
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}
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return 1;
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}
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}
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if (fd->file_sub_count == 0) {
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fd->file_subs = (struct file_sub **)malloc(sizeof(struct file_sub *));
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} else {
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fd->file_subs = (struct file_sub **)realloc(fd->file_subs, sizeof(struct file_sub *) * (fd->file_sub_count + 1));
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}
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fd->file_subs[fd->file_sub_count] = (struct file_sub *)malloc(sizeof(struct file_sub));
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fd->file_subs[fd->file_sub_count]->name = strdup(section);
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if (strcasecmp(name, "upload sec level") == 0) {
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fd->file_subs[fd->file_sub_count]->upload_sec_level = atoi(value);
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} else if (strcasecmp(name, "download sec level") == 0) {
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fd->file_subs[fd->file_sub_count]->download_sec_level = atoi(value);
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} else if (strcasecmp(name, "database") == 0) {
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fd->file_subs[fd->file_sub_count]->database = strdup(value);
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} else if (strcasecmp(name, "upload path") == 0) {
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fd->file_subs[fd->file_sub_count]->upload_path = strdup(value);
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}
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fd->file_sub_count++;
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}
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return 1;
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}
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static int mail_area_handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct mail_conference *mc = (struct mail_conference *)user;
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int i;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "visible sec level") == 0) {
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mc->sec_level = atoi(value);
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} else if (strcasecmp(name, "networked") == 0) {
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if (strcasecmp(value, "true") == 0) {
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mc->networked = 1;
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} else {
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mc->networked = 0;
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}
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} else if (strcasecmp(name, "real names") == 0) {
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if (strcasecmp(value, "true") == 0) {
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mc->realnames = 1;
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} else {
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mc->realnames = 0;
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}
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} else if (strcasecmp(name, "tagline") == 0) {
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mc->tagline = strdup(value);
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}
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} else if (strcasecmp(section, "network") == 0) {
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if (strcasecmp(name, "type") == 0) {
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if (strcasecmp(value, "fido") == 0) {
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mc->nettype = NETWORK_FIDO;
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} else if (strcasecmp(value, "wwiv") == 0) {
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mc->nettype = NETWORK_WWIV;
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}
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} else if (strcasecmp(name, "fido node") == 0) {
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mc->fidoaddr = parse_fido_addr(value);
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} else if (strcasecmp(name, "wwiv node") == 0) {
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mc->wwivnode = atoi(value);
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}
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} else {
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// check if it's partially filled in
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for (i=0;i<mc->mail_area_count;i++) {
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if (strcasecmp(mc->mail_areas[i]->name, section) == 0) {
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if (strcasecmp(name, "read sec level") == 0) {
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mc->mail_areas[i]->read_sec_level = atoi(value);
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} else if (strcasecmp(name, "write sec level") == 0) {
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mc->mail_areas[i]->write_sec_level = atoi(value);
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} else if (strcasecmp(name, "path") == 0) {
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mc->mail_areas[i]->path = strdup(value);
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} else if (strcasecmp(name, "type") == 0) {
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if (strcasecmp(value, "local") == 0) {
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mc->mail_areas[i]->type = TYPE_LOCAL_AREA;
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} else if (strcasecmp(value, "echo") == 0) {
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mc->mail_areas[i]->type = TYPE_ECHOMAIL_AREA;
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} else if (strcasecmp(value, "netmail") == 0) {
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mc->mail_areas[i]->type = TYPE_NETMAIL_AREA;
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}
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}
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return 1;
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}
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}
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if (mc->mail_area_count == 0) {
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mc->mail_areas = (struct mail_area **)malloc(sizeof(struct mail_area *));
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} else {
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mc->mail_areas = (struct mail_area **)realloc(mc->mail_areas, sizeof(struct mail_area *) * (mc->mail_area_count + 1));
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}
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mc->mail_areas[mc->mail_area_count] = (struct mail_area *)malloc(sizeof(struct mail_area));
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mc->mail_areas[mc->mail_area_count]->name = strdup(section);
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if (strcasecmp(name, "read sec level") == 0) {
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mc->mail_areas[mc->mail_area_count]->read_sec_level = atoi(value);
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} else if (strcasecmp(name, "write sec level") == 0) {
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mc->mail_areas[mc->mail_area_count]->write_sec_level = atoi(value);
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} else if (strcasecmp(name, "path") == 0) {
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mc->mail_areas[mc->mail_area_count]->path = strdup(value);
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} else if (strcasecmp(name, "type") == 0) {
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if (strcasecmp(value, "local") == 0) {
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mc->mail_areas[mc->mail_area_count]->type = TYPE_LOCAL_AREA;
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} else if (strcasecmp(value, "echo") == 0) {
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mc->mail_areas[mc->mail_area_count]->type = TYPE_ECHOMAIL_AREA;
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} else if (strcasecmp(value, "netmail") == 0) {
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mc->mail_areas[mc->mail_area_count]->type = TYPE_NETMAIL_AREA;
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}
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}
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mc->mail_area_count++;
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}
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return 1;
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}
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static int handler(void* user, const char* section, const char* name,
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const char* value)
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{
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struct bbs_config *conf = (struct bbs_config *)user;
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if (strcasecmp(section, "main") == 0) {
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if (strcasecmp(name, "bbs name") == 0) {
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conf->bbs_name = strdup(value);
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} else if (strcasecmp(name, "sysop name") == 0) {
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conf->sysop_name = strdup(value);
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} else if (strcasecmp(name, "nodes") == 0) {
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conf->nodes = atoi(value);
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} else if (strcasecmp(name, "new user level") == 0) {
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conf->newuserlvl = atoi(value);
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} else if (strcasecmp(name, "irc server") == 0) {
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conf->irc_server = strdup(value);
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} else if (strcasecmp(name, "irc port") == 0) {
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conf->irc_port = atoi(value);
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} else if (strcasecmp(name, "irc channel") == 0) {
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conf->irc_channel = strdup(value);
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} else if (strcasecmp(name, "default tagline") == 0) {
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conf->default_tagline = strdup(value);
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} else if (strcasecmp(name, "external editor cmd") == 0) {
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conf->external_editor_cmd = strdup(value);
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} else if (strcasecmp(name, "external editor stdio") == 0) {
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if (strcasecmp(value, "true") == 0) {
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conf->external_editor_stdio = 1;
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} else {
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conf->external_editor_stdio = 0;
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}
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} else if (strcasecmp(name, "automessage write level") == 0) {
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conf->automsgwritelvl = atoi(value);
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} else if (strcasecmp(name, "fork") == 0) {
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if (strcasecmp(value, "true") == 0) {
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conf->fork = 1;
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} else {
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conf->fork = 0;
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}
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}
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} else if (strcasecmp(section, "paths") == 0){
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if (strcasecmp(name, "ansi path") == 0) {
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conf->ansi_path = strdup(value);
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} else if (strcasecmp(name, "bbs path") == 0) {
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conf->bbs_path = strdup(value);
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} else if (strcasecmp(name, "log path") == 0) {
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conf->log_path = strdup(value);
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} else if (strcasecmp(name, "script path") == 0) {
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conf->script_path = strdup(value);
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} else if (strcasecmp(name, "echomail semaphore") == 0) {
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conf->echomail_sem = strdup(value);
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} else if (strcasecmp(name, "netmail semaphore") == 0) {
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conf->netmail_sem = strdup(value);
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} else if (strcasecmp(name, "pid file") == 0) {
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conf->pid_file = strdup(value);
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}
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} else if (strcasecmp(section, "mail conferences") == 0) {
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if (conf->mail_conference_count == 0) {
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conf->mail_conferences = (struct mail_conference **)malloc(sizeof(struct mail_conference *));
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} else {
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conf->mail_conferences = (struct mail_conference **)realloc(conf->mail_conferences, sizeof(struct mail_conference *) * (conf->mail_conference_count + 1));
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}
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conf->mail_conferences[conf->mail_conference_count] = (struct mail_conference *)malloc(sizeof(struct mail_conference));
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conf->mail_conferences[conf->mail_conference_count]->name = strdup(name);
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conf->mail_conferences[conf->mail_conference_count]->path = strdup(value);
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conf->mail_conferences[conf->mail_conference_count]->tagline = NULL;
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conf->mail_conferences[conf->mail_conference_count]->mail_area_count = 0;
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conf->mail_conferences[conf->mail_conference_count]->nettype = 0;
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conf->mail_conference_count++;
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} else if (strcasecmp(section, "file directories") == 0) {
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if (conf->file_directory_count == 0) {
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conf->file_directories = (struct file_directory **)malloc(sizeof(struct file_directory *));
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} else {
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conf->file_directories = (struct file_directory **)realloc(conf->file_directories, sizeof(struct file_directory *) * (conf->file_directory_count + 1));
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}
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conf->file_directories[conf->file_directory_count] = (struct file_directory *)malloc(sizeof(struct file_directory));
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conf->file_directories[conf->file_directory_count]->name = strdup(name);
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conf->file_directories[conf->file_directory_count]->path = strdup(value);
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conf->file_directories[conf->file_directory_count]->file_sub_count = 0;
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conf->file_directory_count++;
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} else if (strcasecmp(section, "text files") == 0) {
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if (conf->text_file_count == 0) {
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conf->text_files = (struct text_file **)malloc(sizeof(struct text_file *));
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} else {
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conf->text_files = (struct text_file **)realloc(conf->text_files, sizeof(struct text_file *) * (conf->text_file_count + 1));
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}
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conf->text_files[conf->text_file_count] = (struct text_file *)malloc(sizeof(struct text_file));
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conf->text_files[conf->text_file_count]->name = strdup(name);
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conf->text_files[conf->text_file_count]->path = strdup(value);
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conf->text_file_count++;
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}
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return 1;
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}
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void server(int port) {
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struct sigaction sa;
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struct sigaction st;
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int socket_desc, client_sock, c, *new_sock;
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int pid;
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struct sockaddr_in server, client;
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sa.sa_handler = sigchld_handler; // reap all dead processes
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART;
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if (sigaction(SIGCHLD, &sa, NULL) == -1) {
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perror("sigaction");
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exit(1);
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}
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st.sa_handler = sigterm_handler;
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sigemptyset(&st.sa_mask);
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if (sigaction(SIGTERM, &st, NULL) == -1) {
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perror("sigaction");
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exit(1);
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}
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socket_desc = socket(AF_INET, SOCK_STREAM, 0);
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if (socket_desc == -1) {
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fprintf(stderr, "Couldn't create socket..\n");
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exit(1);
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}
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server.sin_family = AF_INET;
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server.sin_addr.s_addr = INADDR_ANY;
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server.sin_port = htons(port);
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if (bind(socket_desc, (struct sockaddr *)&server, sizeof(server)) < 0) {
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perror("Bind Failed, Error\n");
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exit(1);
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}
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listen(socket_desc, 3);
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c = sizeof(struct sockaddr_in);
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while ((client_sock = accept(socket_desc, (struct sockaddr *)&client, (socklen_t *)&c))) {
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if (client_sock == -1) {
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if (errno == EINTR) {
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continue;
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} else {
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exit(-1);
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}
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}
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pid = fork();
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if (pid < 0) {
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perror("Error on fork\n");
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exit(1);
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}
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if (pid == 0) {
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close(socket_desc);
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runbbs(client_sock, strdup(inet_ntoa(client.sin_addr)));
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exit(0);
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} else {
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close(client_sock);
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}
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}
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}
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int main(int argc, char **argv) {
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int port;
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int i;
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int main_pid;
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FILE *fptr;
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if (argc < 3) {
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fprintf(stderr, "Usage ./magicka config/bbs.ini port\n");
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exit(1);
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}
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conf.mail_conference_count = 0;
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conf.door_count = 0;
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conf.file_directory_count = 0;
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conf.irc_server = NULL;
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conf.irc_port = 6667;
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conf.text_file_count = 0;
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conf.external_editor_cmd = NULL;
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conf.log_path = NULL;
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conf.script_path = NULL;
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conf.automsgwritelvl = 10;
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conf.echomail_sem = NULL;
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conf.netmail_sem = NULL;
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// Load BBS data
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if (ini_parse(argv[1], handler, &conf) <0) {
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fprintf(stderr, "Unable to load configuration ini (%s)!\n", argv[1]);
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exit(-1);
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}
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// Load mail Areas
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for (i=0;i<conf.mail_conference_count;i++) {
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if (ini_parse(conf.mail_conferences[i]->path, mail_area_handler, conf.mail_conferences[i]) <0) {
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fprintf(stderr, "Unable to load configuration ini (%s)!\n", conf.mail_conferences[i]->path);
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exit(-1);
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}
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}
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// Load file Subs
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for (i=0;i<conf.file_directory_count;i++) {
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if (ini_parse(conf.file_directories[i]->path, file_sub_handler, conf.file_directories[i]) <0) {
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fprintf(stderr, "Unable to load configuration ini (%s)!\n", conf.file_directories[i]->path);
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exit(-1);
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}
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}
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if (ini_parse("config/doors.ini", door_config_handler, &conf) <0) {
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fprintf(stderr, "Unable to load configuration ini (doors.ini)!\n");
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exit(-1);
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}
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port = atoi(argv[2]);
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if (conf.fork) {
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main_pid = fork();
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if (main_pid < 0) {
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fprintf(stderr, "Error forking.\n");
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exit(-1);
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} else
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if (main_pid > 0) {
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fptr = fopen(conf.pid_file, "w");
|
|
if (!fptr) {
|
|
fprintf(stderr, "Unable to open pid file for writing.\n");
|
|
} else {
|
|
fprintf(fptr, "%d", main_pid);
|
|
fclose(fptr);
|
|
}
|
|
} else {
|
|
server(port);
|
|
}
|
|
} else {
|
|
server(port);
|
|
}
|
|
}
|