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1 /*
2  * Author: Paul.Russell@rustcorp.com.au and mneuling@radlogic.com.au
3  *
4  * (C) 2000-2002 by the netfilter coreteam <coreteam@netfilter.org>:
5  * 		    Paul 'Rusty' Russell <rusty@rustcorp.com.au>
6  * 		    Marc Boucher <marc+nf@mbsi.ca>
7  * 		    James Morris <jmorris@intercode.com.au>
8  * 		    Harald Welte <laforge@gnumonks.org>
9  * 		    Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
10  *
11  * Based on the ipchains code by Paul Russell and Michael Neuling
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 <ip6tables.h>
38 #include "ip6tables-multi.h"
39 
40 int
ip6tables_main(int argc,char * argv[])41 ip6tables_main(int argc, char *argv[])
42 {
43 	int ret;
44 	char *table = "filter";
45 	struct xtc_handle *handle = NULL;
46 
47 	ip6tables_globals.program_name = "ip6tables";
48 	ret = xtables_init_all(&ip6tables_globals, NFPROTO_IPV6);
49 	if (ret < 0) {
50 		fprintf(stderr, "%s/%s Failed to initialize xtables\n",
51 				ip6tables_globals.program_name,
52 				ip6tables_globals.program_version);
53 		exit(1);
54 	}
55 
56 #if defined(ALL_INCLUSIVE) || defined(NO_SHARED_LIBS)
57 	init_extensions();
58 	init_extensions6();
59 #endif
60 
61 	ret = do_command6(argc, argv, &table, &handle, false);
62 	if (ret) {
63 		ret = ip6tc_commit(handle);
64 		ip6tc_free(handle);
65 	}
66 
67 	if (!ret) {
68 		if (errno == EINVAL) {
69 			fprintf(stderr, "ip6tables: %s. "
70 					"Run `dmesg' for more information.\n",
71 				ip6tc_strerror(errno));
72 		} else {
73 			fprintf(stderr, "ip6tables: %s.\n",
74 				ip6tc_strerror(errno));
75 		}
76 		if (errno == EAGAIN)
77 			exit(RESOURCE_PROBLEM);
78 	}
79 
80 	exit(!ret);
81 }
82