diff options
Diffstat (limited to 'extensions/libipt_SET.c')
| -rw-r--r-- | extensions/libipt_SET.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/extensions/libipt_SET.c b/extensions/libipt_SET.c deleted file mode 100644 index f483418..0000000 --- a/extensions/libipt_SET.c +++ /dev/null @@ -1,180 +0,0 @@ -/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> - * Patrick Schaaf <bof@bof.de> - * Martin Josefsson <gandalf@wlug.westbo.se> - * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -/* Shared library add-on to iptables to add IP set mangling target. */ -#include <stdio.h> -#include <netdb.h> -#include <string.h> -#include <stdlib.h> -#include <getopt.h> -#include <ctype.h> - -#include <iptables.h> -#include <linux/netfilter_ipv4/ip_tables.h> -#include <linux/netfilter_ipv4/ip_nat_rule.h> -#include <linux/netfilter_ipv4/ip_set.h> -#include <linux/netfilter_ipv4/ipt_set.h> -#include "libipt_set.h" - -/* Function which prints out usage message. */ -static void help(void) -{ - printf("SET v%s options:\n" - " --add-set name flags\n" - " --del-set name flags\n" - " add/del src/dst IP/port from/to named sets,\n" - " where flags are the comma separated list of\n" - " 'src' and 'dst'.\n" - "\n", IPTABLES_VERSION); -} - -static struct option opts[] = { - {"add-set", 1, 0, '1'}, - {"del-set", 1, 0, '2'}, - {0} -}; - -/* Initialize the target. */ -static void init(struct ipt_entry_target *target, unsigned int *nfcache) -{ - struct ipt_set_info_target *info = - (struct ipt_set_info_target *) target->data; - - memset(info, 0, sizeof(struct ipt_set_info_target)); - info->add_set.index = - info->del_set.index = IP_SET_INVALID_ID; - -} - -static void -parse_target(char **argv, int invert, unsigned int *flags, - struct ipt_set_info *info, const char *what) -{ - if (info->flags[0]) - exit_error(PARAMETER_PROBLEM, - "--%s can be specified only once", what); - - if (check_inverse(optarg, &invert, NULL, 0)) - exit_error(PARAMETER_PROBLEM, - "Unexpected `!' after --%s", what); - - if (!argv[optind] - || argv[optind][0] == '-' || argv[optind][0] == '!') - exit_error(PARAMETER_PROBLEM, - "--%s requires two args.", what); - - if (strlen(argv[optind-1]) > IP_SET_MAXNAMELEN - 1) - exit_error(PARAMETER_PROBLEM, - "setname `%s' too long, max %d characters.", - argv[optind-1], IP_SET_MAXNAMELEN - 1); - - get_set_byname(argv[optind - 1], info); - parse_bindings(argv[optind], info); - optind++; - - *flags = 1; -} - -/* Function which parses command options; returns true if it - ate an option */ -static int -parse(int c, char **argv, int invert, unsigned int *flags, - const struct ipt_entry *entry, struct ipt_entry_target **target) -{ - struct ipt_set_info_target *myinfo = - (struct ipt_set_info_target *) (*target)->data; - - switch (c) { - case '1': /* --add-set <set> <flags> */ - parse_target(argv, invert, flags, - &myinfo->add_set, "add-set"); - break; - case '2': /* --del-set <set>[:<flags>] <flags> */ - parse_target(argv, invert, flags, - &myinfo->del_set, "del-set"); - break; - - default: - return 0; - } - return 1; -} - -/* Final check; must specify at least one. */ -static void final_check(unsigned int flags) -{ - if (!flags) - exit_error(PARAMETER_PROBLEM, - "You must specify either `--add-set' or `--del-set'"); -} - -static void -print_target(const char *prefix, const struct ipt_set_info *info) -{ - int i; - char setname[IP_SET_MAXNAMELEN]; - - if (info->index == IP_SET_INVALID_ID) - return; - get_set_byid(setname, info->index); - printf("%s %s", prefix, setname); - for (i = 0; i < IP_SET_MAX_BINDINGS; i++) { - if (!info->flags[i]) - break; - printf("%s%s", - i == 0 ? " " : ",", - info->flags[i] & IPSET_SRC ? "src" : "dst"); - } - printf(" "); -} - -/* Prints out the targinfo. */ -static void -print(const struct ipt_ip *ip, - const struct ipt_entry_target *target, int numeric) -{ - struct ipt_set_info_target *info = - (struct ipt_set_info_target *) target->data; - - print_target("add-set", &info->add_set); - print_target("del-set", &info->del_set); -} - -/* Saves the union ipt_targinfo in parsable form to stdout. */ -static void -save(const struct ipt_ip *ip, const struct ipt_entry_target *target) -{ - struct ipt_set_info_target *info = - (struct ipt_set_info_target *) target->data; - - print_target("--add-set", &info->add_set); - print_target("--del-set", &info->del_set); -} - -static -struct iptables_target ipt_set_target -= { - .name = "SET", - .version = IPTABLES_VERSION, - .size = IPT_ALIGN(sizeof(struct ipt_set_info_target)), - .userspacesize = IPT_ALIGN(sizeof(struct ipt_set_info_target)), - .help = &help, - .init = &init, - .parse = &parse, - .final_check = &final_check, - .print = &print, - .save = &save, - .extra_opts = opts -}; - -void ipt_SET_init(void) -{ - register_target(&ipt_set_target); -} |