/* gcc -O2 -Wall -shared -o libipt_MEDIAPROXY.so libipt_MEDIAPROXY.c */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <getopt.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <iptables.h>
|
|
#include <linux/netfilter_ipv4/ip_tables.h>
|
|
#include "../kernel-module/ipt_MEDIAPROXY.h"
|
|
|
|
|
|
static void help(void) {
|
|
printf(
|
|
"MEDIAPROXY target options:\n"
|
|
" --id <id>\n"
|
|
" Unique ID for this instance\n"
|
|
);
|
|
}
|
|
|
|
static int parse(int c,
|
|
char **argv,
|
|
int invert,
|
|
unsigned int *flags,
|
|
const struct ipt_entry *entry,
|
|
struct ipt_entry_target **target) {
|
|
|
|
struct ipt_mediaproxy_info *info = (void *) (*target)->data;
|
|
|
|
if (c == '1') {
|
|
info->id = atoi(optarg);
|
|
if (flags)
|
|
*flags = 1;
|
|
}
|
|
else
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void final_check(unsigned int flags) {
|
|
if (!flags)
|
|
exit_error(PARAMETER_PROBLEM, "You must specify --id");
|
|
}
|
|
|
|
static void print(const struct ipt_ip *ip, const struct ipt_entry_target *target, int numeric) {
|
|
struct ipt_mediaproxy_info *info = (void *) target->data;
|
|
|
|
printf("id %u", info->id);
|
|
}
|
|
|
|
static void save(const struct ipt_ip *ip, const struct ipt_entry_target *target) {
|
|
struct ipt_mediaproxy_info *info = (void *) target->data;
|
|
|
|
printf("--id %u", info->id);
|
|
}
|
|
|
|
static struct option opts[] = {
|
|
{ "id", 1, NULL, '1' },
|
|
{ NULL, },
|
|
};
|
|
|
|
|
|
static struct iptables_target mediaproxy = {
|
|
.name = "MEDIAPROXY",
|
|
.version = "1.3.6",
|
|
.size = IPT_ALIGN(sizeof(struct ipt_mediaproxy_info)),
|
|
.userspacesize = IPT_ALIGN(sizeof(struct ipt_mediaproxy_info)),
|
|
.help = help,
|
|
.parse = parse,
|
|
.final_check = final_check,
|
|
.print = print,
|
|
.save = save,
|
|
.extra_opts = opts,
|
|
};
|
|
|
|
void _init(void) {
|
|
register_target(&mediaproxy);
|
|
}
|