diff options
Diffstat (limited to 'iptables-save.c')
| -rw-r--r-- | iptables-save.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/iptables-save.c b/iptables-save.c deleted file mode 100644 index 7542bdc0..00000000 --- a/iptables-save.c +++ /dev/null @@ -1,185 +0,0 @@ -/* Code to save the iptables state, in human readable-form. */ -/* (C) 1999 by Paul 'Rusty' Russell <rusty@rustcorp.com.au> and - * (C) 2000-2002 by Harald Welte <laforge@gnumonks.org> - * - * This code is distributed under the terms of GNU GPL v2 - * - */ -#include <getopt.h> -#include <sys/errno.h> -#include <stdio.h> -#include <fcntl.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <netdb.h> -#include "libiptc/libiptc.h" -#include "iptables.h" -#include "iptables-multi.h" - -#ifndef NO_SHARED_LIBS -#include <dlfcn.h> -#endif - -static int show_binary = 0, show_counters = 0; - -static const struct option options[] = { - {.name = "binary", .has_arg = false, .val = 'b'}, - {.name = "counters", .has_arg = false, .val = 'c'}, - {.name = "dump", .has_arg = false, .val = 'd'}, - {.name = "table", .has_arg = true, .val = 't'}, - {.name = "modprobe", .has_arg = true, .val = 'M'}, - {NULL}, -}; - -/* Debugging prototype. */ -static int for_each_table(int (*func)(const char *tablename)) -{ - int ret = 1; - FILE *procfile = NULL; - char tablename[IPT_TABLE_MAXNAMELEN+1]; - - procfile = fopen("/proc/net/ip_tables_names", "re"); - if (!procfile) - return ret; - - while (fgets(tablename, sizeof(tablename), procfile)) { - if (tablename[strlen(tablename) - 1] != '\n') - xtables_error(OTHER_PROBLEM, - "Badly formed tablename `%s'\n", - tablename); - tablename[strlen(tablename) - 1] = '\0'; - ret &= func(tablename); - } - - fclose(procfile); - return ret; -} - - -static int do_output(const char *tablename) -{ - struct iptc_handle *h; - const char *chain = NULL; - - if (!tablename) - return for_each_table(&do_output); - - h = iptc_init(tablename); - if (h == NULL) { - xtables_load_ko(xtables_modprobe_program, false); - h = iptc_init(tablename); - } - if (!h) - xtables_error(OTHER_PROBLEM, "Cannot initialize: %s\n", - iptc_strerror(errno)); - - if (!show_binary) { - time_t now = time(NULL); - - printf("# Generated by iptables-save v%s on %s", - IPTABLES_VERSION, ctime(&now)); - printf("*%s\n", tablename); - - /* Dump out chain names first, - * thereby preventing dependency conflicts */ - for (chain = iptc_first_chain(h); - chain; - chain = iptc_next_chain(h)) { - - printf(":%s ", chain); - if (iptc_builtin(chain, h)) { - struct ipt_counters count; - printf("%s ", - iptc_get_policy(chain, &count, h)); - printf("[%llu:%llu]\n", (unsigned long long)count.pcnt, (unsigned long long)count.bcnt); - } else { - printf("- [0:0]\n"); - } - } - - - for (chain = iptc_first_chain(h); - chain; - chain = iptc_next_chain(h)) { - const struct ipt_entry *e; - - /* Dump out rules */ - e = iptc_first_rule(chain, h); - while(e) { - print_rule4(e, h, chain, show_counters); - e = iptc_next_rule(e, h); - } - } - - now = time(NULL); - printf("COMMIT\n"); - printf("# Completed on %s", ctime(&now)); - } else { - /* Binary, huh? OK. */ - xtables_error(OTHER_PROBLEM, "Binary NYI\n"); - } - - iptc_free(h); - - return 1; -} - -/* Format: - * :Chain name POLICY packets bytes - * rule - */ -#ifdef IPTABLES_MULTI -int -iptables_save_main(int argc, char *argv[]) -#else -int -main(int argc, char *argv[]) -#endif -{ - const char *tablename = NULL; - int c; - - iptables_globals.program_name = "iptables-save"; - c = xtables_init_all(&iptables_globals, NFPROTO_IPV4); - if (c < 0) { - fprintf(stderr, "%s/%s Failed to initialize xtables\n", - iptables_globals.program_name, - iptables_globals.program_version); - exit(1); - } -#if defined(ALL_INCLUSIVE) || defined(NO_SHARED_LIBS) - init_extensions(); - init_extensions4(); -#endif - - while ((c = getopt_long(argc, argv, "bcdt:", options, NULL)) != -1) { - switch (c) { - case 'b': - show_binary = 1; - break; - - case 'c': - show_counters = 1; - break; - - case 't': - /* Select specific table. */ - tablename = optarg; - break; - case 'M': - xtables_modprobe_program = optarg; - break; - case 'd': - do_output(tablename); - exit(0); - } - } - - if (optind < argc) { - fprintf(stderr, "Unknown arguments found on commandline\n"); - exit(1); - } - - return !do_output(tablename); -} |