1/*
2 * Author: Paul.Russell@rustcorp.com.au and mneuling@radlogic.com.au
3 *
4 * Based on the ipchains code by Paul Russell and Michael Neuling
5 *
6 * (C) 2000-2002 by the netfilter coreteam <coreteam@netfilter.org>:
7 * 		    Paul 'Rusty' Russell <rusty@rustcorp.com.au>
8 * 		    Marc Boucher <marc+nf@mbsi.ca>
9 * 		    James Morris <jmorris@intercode.com.au>
10 * 		    Harald Welte <laforge@gnumonks.org>
11 * 		    Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
12 *
13 *	iptables -- IP firewall administration for kernels with
14 *	firewall table (aimed for the 2.3 kernels)
15 *
16 *	See the accompanying manual page iptables(8) for information
17 *	about proper usage of this program.
18 *
19 *	This program is free software; you can redistribute it and/or modify
20 *	it under the terms of the GNU General Public License as published by
21 *	the Free Software Foundation; either version 2 of the License, or
22 *	(at your option) any later version.
23 *
24 *	This program is distributed in the hope that it will be useful,
25 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
26 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27 *	GNU General Public License for more details.
28 *
29 *	You should have received a copy of the GNU General Public License
30 *	along with this program; if not, write to the Free Software
31 *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 */
33
34#include <stdio.h>
35#include <stdlib.h>
36#include <errno.h>
37#include <signal.h>
38#include <string.h>
39#include <iptables.h>
40#include "iptables-multi.h"
41
42#ifdef IPTABLES_MULTI
43int
44iptables_main(int argc, char *argv[])
45#else
46int
47main(int argc, char *argv[])
48#endif
49{
50	int ret;
51	char *table = "filter";
52	struct iptc_handle *handle = NULL;
53
54	signal(SIGPIPE, SIG_IGN);
55
56	iptables_globals.program_name = "iptables";
57	ret = xtables_init_all(&iptables_globals, NFPROTO_IPV4);
58	if (ret < 0) {
59		fprintf(stderr, "%s/%s Failed to initialize xtables\n",
60				iptables_globals.program_name,
61				iptables_globals.program_version);
62				exit(1);
63	}
64#if defined(ALL_INCLUSIVE) || defined(NO_SHARED_LIBS)
65	init_extensions();
66	init_extensions4();
67#endif
68
69	ret = do_command4(argc, argv, &table, &handle);
70	if (ret) {
71		ret = iptc_commit(handle);
72		iptc_free(handle);
73	}
74
75	if (!ret) {
76		if (errno == EINVAL) {
77			fprintf(stderr, "iptables: %s. "
78					"Run `dmesg' for more information.\n",
79				iptc_strerror(errno));
80		} else {
81			fprintf(stderr, "iptables: %s.\n",
82				iptc_strerror(errno));
83		}
84		if (errno == EAGAIN) {
85			exit(RESOURCE_PROBLEM);
86		}
87	}
88
89	exit(!ret);
90}
91