| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 <string.h> |
| 38 | #include <iptables.h> |
| 39 | #include "iptables-multi.h" |
| 40 | |
| 41 | #ifdef IPTABLES_MULTI |
| 42 | int |
| 43 | iptables_main(int argc, char *argv[]) |
| 44 | #else |
| 45 | int |
| 46 | main(int argc, char *argv[]) |
| 47 | #endif |
| 48 | { |
| 49 | int ret; |
| 50 | char *table = "filter"; |
| 51 | struct iptc_handle *handle = NULL; |
| 52 | |
| 53 | iptables_globals.program_name = "iptables"; |
| 54 | ret = xtables_init_all(&iptables_globals, NFPROTO_IPV4); |
| 55 | if (ret < 0) { |
| 56 | fprintf(stderr, "%s/%s Failed to initialize xtables\n", |
| 57 | iptables_globals.program_name, |
| 58 | iptables_globals.program_version); |
| 59 | exit(1); |
| 60 | } |
| 61 | #ifdef NO_SHARED_LIBS |
| 62 | init_extensions(); |
| 63 | #endif |
| 64 | |
| 65 | ret = do_command(argc, argv, &table, &handle); |
| 66 | if (ret) { |
| 67 | ret = iptc_commit(handle); |
| 68 | iptc_free(handle); |
| 69 | } |
| 70 | |
| 71 | if (!ret) { |
| 72 | if (errno == EINVAL) { |
| 73 | fprintf(stderr, "iptables: %s. " |
| 74 | "Run `dmesg' for more information.\n", |
| 75 | iptc_strerror(errno)); |
| 76 | } else { |
| 77 | fprintf(stderr, "iptables: %s.\n", |
| 78 | iptc_strerror(errno)); |
| 79 | } |
| 80 | if (errno == EAGAIN) { |
| 81 | exit(RESOURCE_PROBLEM); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | exit(!ret); |
| 86 | } |