hlswmaster/p_hlswproxy.c

105 lines
3.1 KiB
C

/***************************************************************************
* Copyright (C) 03/2005 by Olaf Rempel *
* razzor@kopf-tisch.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <inttypes.h>
#include "plugin_helper.h"
struct hlsw_entry {
uint16_t gameid;
uint32_t ip;
uint16_t port1;
uint16_t port2;
} __attribute__ ((packed));
static struct in_addr *ip_arr = NULL;
static int ip_arr_size = 0;
static char scanmsg[] = "\xff\xff\xff\xffHLSWLANSEARCH";
static int scan(void)
{
int i;
for (i = 0; i < ip_arr_size; i++)
pkt_send(&ip_arr[i], 7140, scanmsg, sizeof(scanmsg));
return 1;
}
static int parse(struct net_pkt *pkt)
{
struct hlsw_entry *server;
if (pkt_getport(pkt) != 7140)
return PARSE_REJECT;
server = (void *)pkt->buf + sizeof(scanmsg);
while ((void *)server < ((void *)pkt->buf + pkt->size)) {
server_add(server->gameid, server->ip, server->port1, server->port2);
server++;
}
return PARSE_ACCEPT;
}
static int init(struct conf_section *section)
{
struct conf_tupel *tupel;
int i = 0;
list_for_each_entry(tupel, &section->tupel, list)
if (!strcmp(tupel->option, "scan_ip"))
i++;
if (i == 0 || !(ip_arr = malloc(sizeof(struct in_addr) * i)))
return 0;
i = 0;
list_for_each_entry(tupel, &section->tupel, list) {
if (!strcmp(tupel->option, "scan_ip")) {
if (inet_pton(AF_INET, tupel->parameter, &ip_arr[i]) <= 0) {
log_print(" invalid ip: %s", tupel->parameter);
} else {
log_print(" adding %s", tupel->parameter);
i++;
}
}
}
ip_arr_size = i;
return 1;
}
static int fini()
{
if (ip_arr_size > 0 && ip_arr)
free(ip_arr);
}
struct hlswmaster_plugin plugin = {
.name = "hlswproxy",
.scan = &scan,
.parse = &parse,
.init = &init,
.fini = &fini,
};