1 /* 2 * Author: Paul.Russell (at) rustcorp.com.au and mneuling (at) 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 (at) netfilter.org>: 7 * Paul 'Rusty' Russell <rusty (at) rustcorp.com.au> 8 * Marc Boucher <marc+nf (at) mbsi.ca> 9 * James Morris <jmorris (at) intercode.com.au> 10 * Harald Welte <laforge (at) gnumonks.org> 11 * Jozsef Kadlecsik <kadlec (at) 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 #if defined(ALL_INCLUSIVE) || defined(NO_SHARED_LIBS) 62 init_extensions(); 63 init_extensions4(); 64 #endif 65 66 ret = do_command4(argc, argv, &table, &handle); 67 if (ret) { 68 ret = iptc_commit(handle); 69 iptc_free(handle); 70 } 71 72 if (!ret) { 73 if (errno == EINVAL) { 74 fprintf(stderr, "iptables: %s. " 75 "Run `dmesg' for more information.\n", 76 iptc_strerror(errno)); 77 } else { 78 fprintf(stderr, "iptables: %s.\n", 79 iptc_strerror(errno)); 80 } 81 if (errno == EAGAIN) { 82 exit(RESOURCE_PROBLEM); 83 } 84 } 85 86 exit(!ret); 87 } 88
