/*

 * Author: Paul.Russell@rustcorp.com.au and mneuling@radlogic.com.au

 *

 * Based on the ipchains code by Paul Russell and Michael Neuling

 *

 * (C) 2000-2002 by the netfilter coreteam <coreteam@netfilter.org>:

 * 		    Paul 'Rusty' Russell <rusty@rustcorp.com.au>

 * 		    Marc Boucher <marc+nf@mbsi.ca>

 * 		    James Morris <jmorris@intercode.com.au>

 * 		    Harald Welte <laforge@gnumonks.org>

 * 		    Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>

 *

 *	iptables -- IP firewall administration for kernels with

 *	firewall table (aimed for the 2.3 kernels)

 *

 *	See the accompanying manual page iptables(8) for information

 *	about proper usage of this program.

 *

 *	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., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <string.h>

#include <iptables.h>

#include "xtables-multi.h"

#include "nft.h"

static int

xtables_main(int family, const char *progname, int argc, char *argv[])

{

	int ret;

	char *table = "filter";

	struct nft_handle h = {

		.family = family,

	};

	xtables_globals.program_name = progname;

	ret = xtables_init_all(&xtables_globals, family);

	if (ret < 0) {

		fprintf(stderr, "%s/%s Failed to initialize xtables\n",

				xtables_globals.program_name,

				xtables_globals.program_version);

				exit(1);

	}

#if defined(ALL_INCLUSIVE) || defined(NO_SHARED_LIBS)

	init_extensions();

	init_extensions4();

#endif

	if (nft_init(&h, xtables_ipv4) < 0) {

		fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",

				xtables_globals.program_name,

				xtables_globals.program_version,

				strerror(errno));

		exit(EXIT_FAILURE);

	}

	ret = do_commandx(&h, argc, argv, &table, false);

	if (ret)

		ret = nft_commit(&h);

	nft_fini(&h);

	if (!ret) {

		if (errno == EINVAL) {

			fprintf(stderr, "iptables: %s. "

					"Run `dmesg' for more information.\n",

				nft_strerror(errno));

		} else {

			fprintf(stderr, "iptables: %s.\n",

				nft_strerror(errno));

		}

		if (errno == EAGAIN)

			exit(RESOURCE_PROBLEM);

	}

	exit(!ret);

}

int xtables_ip4_main(int argc, char *argv[])

{

	return xtables_main(NFPROTO_IPV4, "iptables", argc, argv);

}

int xtables_ip6_main(int argc, char *argv[])

{

	return xtables_main(NFPROTO_IPV6, "ip6tables", argc, argv);

}