// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
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* Patrick Schaaf <bof@bof.de>
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* Martin Josefsson <gandalf@wlug.westbo.se>
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* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org>
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*/
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/* Kernel module which implements the set match and SET target
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* for netfilter/iptables.
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*/
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#include <linux/module.h>
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#include <linux/skbuff.h>
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#include <linux/netfilter/x_tables.h>
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#include <linux/netfilter/ipset/ip_set.h>
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#include <uapi/linux/netfilter/xt_set.h>
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>");
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MODULE_DESCRIPTION("Xtables: IP set match and target module");
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MODULE_ALIAS("xt_SET");
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MODULE_ALIAS("ipt_set");
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MODULE_ALIAS("ip6t_set");
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MODULE_ALIAS("ipt_SET");
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MODULE_ALIAS("ip6t_SET");
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static inline int
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match_set(ip_set_id_t index, const struct sk_buff *skb,
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const struct xt_action_param *par,
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struct ip_set_adt_opt *opt, int inv)
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{
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if (ip_set_test(index, skb, par, opt))
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inv = !inv;
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return inv;
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}
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#define ADT_OPT(n, f, d, fs, cfs, t, p, b, po, bo) \
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struct ip_set_adt_opt n = { \
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.family = f, \
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.dim = d, \
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.flags = fs, \
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.cmdflags = cfs, \
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.ext.timeout = t, \
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.ext.packets = p, \
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.ext.bytes = b, \
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.ext.packets_op = po, \
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.ext.bytes_op = bo, \
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}
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/* Revision 0 interface: backward compatible with netfilter/iptables */
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static bool
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set_match_v0(const struct sk_buff *skb, struct xt_action_param *par)
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{
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const struct xt_set_info_match_v0 *info = par->matchinfo;
|
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ADT_OPT(opt, xt_family(par), info->match_set.u.compat.dim,
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info->match_set.u.compat.flags, 0, UINT_MAX,
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0, 0, 0, 0);
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return match_set(info->match_set.index, skb, par, &opt,
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info->match_set.u.compat.flags & IPSET_INV_MATCH);
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}
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static void
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compat_flags(struct xt_set_info_v0 *info)
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{
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u_int8_t i;
|
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/* Fill out compatibility data according to enum ip_set_kopt */
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info->u.compat.dim = IPSET_DIM_ZERO;
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if (info->u.flags[0] & IPSET_MATCH_INV)
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info->u.compat.flags |= IPSET_INV_MATCH;
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for (i = 0; i < IPSET_DIM_MAX - 1 && info->u.flags[i]; i++) {
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info->u.compat.dim++;
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if (info->u.flags[i] & IPSET_SRC)
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info->u.compat.flags |= (1 << info->u.compat.dim);
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}
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}
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static int
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set_match_v0_checkentry(const struct xt_mtchk_param *par)
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{
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struct xt_set_info_match_v0 *info = par->matchinfo;
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ip_set_id_t index;
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index = ip_set_nfnl_get_byindex(par->net, info->match_set.index);
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if (index == IPSET_INVALID_ID) {
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pr_info_ratelimited("Cannot find set identified by id %u to match\n",
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info->match_set.index);
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return -ENOENT;
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}
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if (info->match_set.u.flags[IPSET_DIM_MAX - 1] != 0) {
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pr_info_ratelimited("set match dimension is over the limit!\n");
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ip_set_nfnl_put(par->net, info->match_set.index);
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return -ERANGE;
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}
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/* Fill out compatibility data */
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compat_flags(&info->match_set);
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return 0;
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}
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static void
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set_match_v0_destroy(const struct xt_mtdtor_param *par)
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{
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struct xt_set_info_match_v0 *info = par->matchinfo;
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ip_set_nfnl_put(par->net, info->match_set.index);
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}
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/* Revision 1 match */
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static bool
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set_match_v1(const struct sk_buff *skb, struct xt_action_param *par)
|
{
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const struct xt_set_info_match_v1 *info = par->matchinfo;
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ADT_OPT(opt, xt_family(par), info->match_set.dim,
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info->match_set.flags, 0, UINT_MAX,
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0, 0, 0, 0);
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if (opt.flags & IPSET_RETURN_NOMATCH)
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opt.cmdflags |= IPSET_FLAG_RETURN_NOMATCH;
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return match_set(info->match_set.index, skb, par, &opt,
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info->match_set.flags & IPSET_INV_MATCH);
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}
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static int
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set_match_v1_checkentry(const struct xt_mtchk_param *par)
|
{
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struct xt_set_info_match_v1 *info = par->matchinfo;
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ip_set_id_t index;
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index = ip_set_nfnl_get_byindex(par->net, info->match_set.index);
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if (index == IPSET_INVALID_ID) {
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pr_info_ratelimited("Cannot find set identified by id %u to match\n",
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info->match_set.index);
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return -ENOENT;
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}
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if (info->match_set.dim > IPSET_DIM_MAX) {
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pr_info_ratelimited("set match dimension is over the limit!\n");
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ip_set_nfnl_put(par->net, info->match_set.index);
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return -ERANGE;
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}
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return 0;
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}
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static void
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set_match_v1_destroy(const struct xt_mtdtor_param *par)
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{
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struct xt_set_info_match_v1 *info = par->matchinfo;
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ip_set_nfnl_put(par->net, info->match_set.index);
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}
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/* Revision 3 match */
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static bool
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set_match_v3(const struct sk_buff *skb, struct xt_action_param *par)
|
{
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const struct xt_set_info_match_v3 *info = par->matchinfo;
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ADT_OPT(opt, xt_family(par), info->match_set.dim,
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info->match_set.flags, info->flags, UINT_MAX,
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info->packets.value, info->bytes.value,
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info->packets.op, info->bytes.op);
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if (info->packets.op != IPSET_COUNTER_NONE ||
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info->bytes.op != IPSET_COUNTER_NONE)
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opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS;
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return match_set(info->match_set.index, skb, par, &opt,
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info->match_set.flags & IPSET_INV_MATCH);
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}
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#define set_match_v3_checkentry set_match_v1_checkentry
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#define set_match_v3_destroy set_match_v1_destroy
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/* Revision 4 match */
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static bool
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set_match_v4(const struct sk_buff *skb, struct xt_action_param *par)
|
{
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const struct xt_set_info_match_v4 *info = par->matchinfo;
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ADT_OPT(opt, xt_family(par), info->match_set.dim,
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info->match_set.flags, info->flags, UINT_MAX,
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info->packets.value, info->bytes.value,
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info->packets.op, info->bytes.op);
|
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if (info->packets.op != IPSET_COUNTER_NONE ||
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info->bytes.op != IPSET_COUNTER_NONE)
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opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS;
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return match_set(info->match_set.index, skb, par, &opt,
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info->match_set.flags & IPSET_INV_MATCH);
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}
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#define set_match_v4_checkentry set_match_v1_checkentry
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#define set_match_v4_destroy set_match_v1_destroy
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/* Revision 0 interface: backward compatible with netfilter/iptables */
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static unsigned int
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set_target_v0(struct sk_buff *skb, const struct xt_action_param *par)
|
{
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const struct xt_set_info_target_v0 *info = par->targinfo;
|
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ADT_OPT(add_opt, xt_family(par), info->add_set.u.compat.dim,
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info->add_set.u.compat.flags, 0, UINT_MAX,
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0, 0, 0, 0);
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ADT_OPT(del_opt, xt_family(par), info->del_set.u.compat.dim,
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info->del_set.u.compat.flags, 0, UINT_MAX,
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0, 0, 0, 0);
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if (info->add_set.index != IPSET_INVALID_ID)
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ip_set_add(info->add_set.index, skb, par, &add_opt);
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if (info->del_set.index != IPSET_INVALID_ID)
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ip_set_del(info->del_set.index, skb, par, &del_opt);
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return XT_CONTINUE;
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}
|
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static int
|
set_target_v0_checkentry(const struct xt_tgchk_param *par)
|
{
|
struct xt_set_info_target_v0 *info = par->targinfo;
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ip_set_id_t index;
|
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if (info->add_set.index != IPSET_INVALID_ID) {
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index = ip_set_nfnl_get_byindex(par->net, info->add_set.index);
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if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find add_set index %u as target\n",
|
info->add_set.index);
|
return -ENOENT;
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}
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}
|
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if (info->del_set.index != IPSET_INVALID_ID) {
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index = ip_set_nfnl_get_byindex(par->net, info->del_set.index);
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if (index == IPSET_INVALID_ID) {
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pr_info_ratelimited("Cannot find del_set index %u as target\n",
|
info->del_set.index);
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if (info->add_set.index != IPSET_INVALID_ID)
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ip_set_nfnl_put(par->net, info->add_set.index);
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return -ENOENT;
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}
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}
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if (info->add_set.u.flags[IPSET_DIM_MAX - 1] != 0 ||
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info->del_set.u.flags[IPSET_DIM_MAX - 1] != 0) {
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pr_info_ratelimited("SET target dimension over the limit!\n");
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if (info->add_set.index != IPSET_INVALID_ID)
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ip_set_nfnl_put(par->net, info->add_set.index);
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if (info->del_set.index != IPSET_INVALID_ID)
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ip_set_nfnl_put(par->net, info->del_set.index);
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return -ERANGE;
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}
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/* Fill out compatibility data */
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compat_flags(&info->add_set);
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compat_flags(&info->del_set);
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return 0;
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}
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static void
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set_target_v0_destroy(const struct xt_tgdtor_param *par)
|
{
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const struct xt_set_info_target_v0 *info = par->targinfo;
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if (info->add_set.index != IPSET_INVALID_ID)
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ip_set_nfnl_put(par->net, info->add_set.index);
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if (info->del_set.index != IPSET_INVALID_ID)
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ip_set_nfnl_put(par->net, info->del_set.index);
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}
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/* Revision 1 target */
|
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static unsigned int
|
set_target_v1(struct sk_buff *skb, const struct xt_action_param *par)
|
{
|
const struct xt_set_info_target_v1 *info = par->targinfo;
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ADT_OPT(add_opt, xt_family(par), info->add_set.dim,
|
info->add_set.flags, 0, UINT_MAX,
|
0, 0, 0, 0);
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ADT_OPT(del_opt, xt_family(par), info->del_set.dim,
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info->del_set.flags, 0, UINT_MAX,
|
0, 0, 0, 0);
|
|
if (info->add_set.index != IPSET_INVALID_ID)
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ip_set_add(info->add_set.index, skb, par, &add_opt);
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if (info->del_set.index != IPSET_INVALID_ID)
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ip_set_del(info->del_set.index, skb, par, &del_opt);
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return XT_CONTINUE;
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}
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static int
|
set_target_v1_checkentry(const struct xt_tgchk_param *par)
|
{
|
const struct xt_set_info_target_v1 *info = par->targinfo;
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ip_set_id_t index;
|
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if (info->add_set.index != IPSET_INVALID_ID) {
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index = ip_set_nfnl_get_byindex(par->net, info->add_set.index);
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if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find add_set index %u as target\n",
|
info->add_set.index);
|
return -ENOENT;
|
}
|
}
|
|
if (info->del_set.index != IPSET_INVALID_ID) {
|
index = ip_set_nfnl_get_byindex(par->net, info->del_set.index);
|
if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find del_set index %u as target\n",
|
info->del_set.index);
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->add_set.index);
|
return -ENOENT;
|
}
|
}
|
if (info->add_set.dim > IPSET_DIM_MAX ||
|
info->del_set.dim > IPSET_DIM_MAX) {
|
pr_info_ratelimited("SET target dimension over the limit!\n");
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->add_set.index);
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->del_set.index);
|
return -ERANGE;
|
}
|
|
return 0;
|
}
|
|
static void
|
set_target_v1_destroy(const struct xt_tgdtor_param *par)
|
{
|
const struct xt_set_info_target_v1 *info = par->targinfo;
|
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->add_set.index);
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->del_set.index);
|
}
|
|
/* Revision 2 target */
|
|
static unsigned int
|
set_target_v2(struct sk_buff *skb, const struct xt_action_param *par)
|
{
|
const struct xt_set_info_target_v2 *info = par->targinfo;
|
|
ADT_OPT(add_opt, xt_family(par), info->add_set.dim,
|
info->add_set.flags, info->flags, info->timeout,
|
0, 0, 0, 0);
|
ADT_OPT(del_opt, xt_family(par), info->del_set.dim,
|
info->del_set.flags, 0, UINT_MAX,
|
0, 0, 0, 0);
|
|
/* Normalize to fit into jiffies */
|
if (add_opt.ext.timeout != IPSET_NO_TIMEOUT &&
|
add_opt.ext.timeout > IPSET_MAX_TIMEOUT)
|
add_opt.ext.timeout = IPSET_MAX_TIMEOUT;
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_add(info->add_set.index, skb, par, &add_opt);
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_del(info->del_set.index, skb, par, &del_opt);
|
|
return XT_CONTINUE;
|
}
|
|
#define set_target_v2_checkentry set_target_v1_checkentry
|
#define set_target_v2_destroy set_target_v1_destroy
|
|
/* Revision 3 target */
|
|
#define MOPT(opt, member) ((opt).ext.skbinfo.member)
|
|
static unsigned int
|
set_target_v3(struct sk_buff *skb, const struct xt_action_param *par)
|
{
|
const struct xt_set_info_target_v3 *info = par->targinfo;
|
int ret;
|
|
ADT_OPT(add_opt, xt_family(par), info->add_set.dim,
|
info->add_set.flags, info->flags, info->timeout,
|
0, 0, 0, 0);
|
ADT_OPT(del_opt, xt_family(par), info->del_set.dim,
|
info->del_set.flags, 0, UINT_MAX,
|
0, 0, 0, 0);
|
ADT_OPT(map_opt, xt_family(par), info->map_set.dim,
|
info->map_set.flags, 0, UINT_MAX,
|
0, 0, 0, 0);
|
|
/* Normalize to fit into jiffies */
|
if (add_opt.ext.timeout != IPSET_NO_TIMEOUT &&
|
add_opt.ext.timeout > IPSET_MAX_TIMEOUT)
|
add_opt.ext.timeout = IPSET_MAX_TIMEOUT;
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_add(info->add_set.index, skb, par, &add_opt);
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_del(info->del_set.index, skb, par, &del_opt);
|
if (info->map_set.index != IPSET_INVALID_ID) {
|
map_opt.cmdflags |= info->flags & (IPSET_FLAG_MAP_SKBMARK |
|
IPSET_FLAG_MAP_SKBPRIO |
|
IPSET_FLAG_MAP_SKBQUEUE);
|
ret = match_set(info->map_set.index, skb, par, &map_opt,
|
info->map_set.flags & IPSET_INV_MATCH);
|
if (!ret)
|
return XT_CONTINUE;
|
if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBMARK)
|
skb->mark = (skb->mark & ~MOPT(map_opt,skbmarkmask))
|
^ MOPT(map_opt, skbmark);
|
if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBPRIO)
|
skb->priority = MOPT(map_opt, skbprio);
|
if ((map_opt.cmdflags & IPSET_FLAG_MAP_SKBQUEUE) &&
|
skb->dev &&
|
skb->dev->real_num_tx_queues > MOPT(map_opt, skbqueue))
|
skb_set_queue_mapping(skb, MOPT(map_opt, skbqueue));
|
}
|
return XT_CONTINUE;
|
}
|
|
static int
|
set_target_v3_checkentry(const struct xt_tgchk_param *par)
|
{
|
const struct xt_set_info_target_v3 *info = par->targinfo;
|
ip_set_id_t index;
|
int ret = 0;
|
|
if (info->add_set.index != IPSET_INVALID_ID) {
|
index = ip_set_nfnl_get_byindex(par->net,
|
info->add_set.index);
|
if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find add_set index %u as target\n",
|
info->add_set.index);
|
return -ENOENT;
|
}
|
}
|
|
if (info->del_set.index != IPSET_INVALID_ID) {
|
index = ip_set_nfnl_get_byindex(par->net,
|
info->del_set.index);
|
if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find del_set index %u as target\n",
|
info->del_set.index);
|
ret = -ENOENT;
|
goto cleanup_add;
|
}
|
}
|
|
if (info->map_set.index != IPSET_INVALID_ID) {
|
if (strncmp(par->table, "mangle", 7)) {
|
pr_info_ratelimited("--map-set only usable from mangle table\n");
|
ret = -EINVAL;
|
goto cleanup_del;
|
}
|
if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) |
|
(info->flags & IPSET_FLAG_MAP_SKBQUEUE)) &&
|
(par->hook_mask & ~(1 << NF_INET_FORWARD |
|
1 << NF_INET_LOCAL_OUT |
|
1 << NF_INET_POST_ROUTING))) {
|
pr_info_ratelimited("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n");
|
ret = -EINVAL;
|
goto cleanup_del;
|
}
|
index = ip_set_nfnl_get_byindex(par->net,
|
info->map_set.index);
|
if (index == IPSET_INVALID_ID) {
|
pr_info_ratelimited("Cannot find map_set index %u as target\n",
|
info->map_set.index);
|
ret = -ENOENT;
|
goto cleanup_del;
|
}
|
}
|
|
if (info->add_set.dim > IPSET_DIM_MAX ||
|
info->del_set.dim > IPSET_DIM_MAX ||
|
info->map_set.dim > IPSET_DIM_MAX) {
|
pr_info_ratelimited("SET target dimension over the limit!\n");
|
ret = -ERANGE;
|
goto cleanup_mark;
|
}
|
|
return 0;
|
cleanup_mark:
|
if (info->map_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->map_set.index);
|
cleanup_del:
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->del_set.index);
|
cleanup_add:
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->add_set.index);
|
return ret;
|
}
|
|
static void
|
set_target_v3_destroy(const struct xt_tgdtor_param *par)
|
{
|
const struct xt_set_info_target_v3 *info = par->targinfo;
|
|
if (info->add_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->add_set.index);
|
if (info->del_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->del_set.index);
|
if (info->map_set.index != IPSET_INVALID_ID)
|
ip_set_nfnl_put(par->net, info->map_set.index);
|
}
|
|
static struct xt_match set_matches[] __read_mostly = {
|
{
|
.name = "set",
|
.family = NFPROTO_IPV4,
|
.revision = 0,
|
.match = set_match_v0,
|
.matchsize = sizeof(struct xt_set_info_match_v0),
|
.checkentry = set_match_v0_checkentry,
|
.destroy = set_match_v0_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "set",
|
.family = NFPROTO_IPV4,
|
.revision = 1,
|
.match = set_match_v1,
|
.matchsize = sizeof(struct xt_set_info_match_v1),
|
.checkentry = set_match_v1_checkentry,
|
.destroy = set_match_v1_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "set",
|
.family = NFPROTO_IPV6,
|
.revision = 1,
|
.match = set_match_v1,
|
.matchsize = sizeof(struct xt_set_info_match_v1),
|
.checkentry = set_match_v1_checkentry,
|
.destroy = set_match_v1_destroy,
|
.me = THIS_MODULE
|
},
|
/* --return-nomatch flag support */
|
{
|
.name = "set",
|
.family = NFPROTO_IPV4,
|
.revision = 2,
|
.match = set_match_v1,
|
.matchsize = sizeof(struct xt_set_info_match_v1),
|
.checkentry = set_match_v1_checkentry,
|
.destroy = set_match_v1_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "set",
|
.family = NFPROTO_IPV6,
|
.revision = 2,
|
.match = set_match_v1,
|
.matchsize = sizeof(struct xt_set_info_match_v1),
|
.checkentry = set_match_v1_checkentry,
|
.destroy = set_match_v1_destroy,
|
.me = THIS_MODULE
|
},
|
/* counters support: update, match */
|
{
|
.name = "set",
|
.family = NFPROTO_IPV4,
|
.revision = 3,
|
.match = set_match_v3,
|
.matchsize = sizeof(struct xt_set_info_match_v3),
|
.checkentry = set_match_v3_checkentry,
|
.destroy = set_match_v3_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "set",
|
.family = NFPROTO_IPV6,
|
.revision = 3,
|
.match = set_match_v3,
|
.matchsize = sizeof(struct xt_set_info_match_v3),
|
.checkentry = set_match_v3_checkentry,
|
.destroy = set_match_v3_destroy,
|
.me = THIS_MODULE
|
},
|
/* new revision for counters support: update, match */
|
{
|
.name = "set",
|
.family = NFPROTO_IPV4,
|
.revision = 4,
|
.match = set_match_v4,
|
.matchsize = sizeof(struct xt_set_info_match_v4),
|
.checkentry = set_match_v4_checkentry,
|
.destroy = set_match_v4_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "set",
|
.family = NFPROTO_IPV6,
|
.revision = 4,
|
.match = set_match_v4,
|
.matchsize = sizeof(struct xt_set_info_match_v4),
|
.checkentry = set_match_v4_checkentry,
|
.destroy = set_match_v4_destroy,
|
.me = THIS_MODULE
|
},
|
};
|
|
static struct xt_target set_targets[] __read_mostly = {
|
{
|
.name = "SET",
|
.revision = 0,
|
.family = NFPROTO_IPV4,
|
.target = set_target_v0,
|
.targetsize = sizeof(struct xt_set_info_target_v0),
|
.checkentry = set_target_v0_checkentry,
|
.destroy = set_target_v0_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "SET",
|
.revision = 1,
|
.family = NFPROTO_IPV4,
|
.target = set_target_v1,
|
.targetsize = sizeof(struct xt_set_info_target_v1),
|
.checkentry = set_target_v1_checkentry,
|
.destroy = set_target_v1_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "SET",
|
.revision = 1,
|
.family = NFPROTO_IPV6,
|
.target = set_target_v1,
|
.targetsize = sizeof(struct xt_set_info_target_v1),
|
.checkentry = set_target_v1_checkentry,
|
.destroy = set_target_v1_destroy,
|
.me = THIS_MODULE
|
},
|
/* --timeout and --exist flags support */
|
{
|
.name = "SET",
|
.revision = 2,
|
.family = NFPROTO_IPV4,
|
.target = set_target_v2,
|
.targetsize = sizeof(struct xt_set_info_target_v2),
|
.checkentry = set_target_v2_checkentry,
|
.destroy = set_target_v2_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "SET",
|
.revision = 2,
|
.family = NFPROTO_IPV6,
|
.target = set_target_v2,
|
.targetsize = sizeof(struct xt_set_info_target_v2),
|
.checkentry = set_target_v2_checkentry,
|
.destroy = set_target_v2_destroy,
|
.me = THIS_MODULE
|
},
|
/* --map-set support */
|
{
|
.name = "SET",
|
.revision = 3,
|
.family = NFPROTO_IPV4,
|
.target = set_target_v3,
|
.targetsize = sizeof(struct xt_set_info_target_v3),
|
.checkentry = set_target_v3_checkentry,
|
.destroy = set_target_v3_destroy,
|
.me = THIS_MODULE
|
},
|
{
|
.name = "SET",
|
.revision = 3,
|
.family = NFPROTO_IPV6,
|
.target = set_target_v3,
|
.targetsize = sizeof(struct xt_set_info_target_v3),
|
.checkentry = set_target_v3_checkentry,
|
.destroy = set_target_v3_destroy,
|
.me = THIS_MODULE
|
},
|
};
|
|
static int __init xt_set_init(void)
|
{
|
int ret = xt_register_matches(set_matches, ARRAY_SIZE(set_matches));
|
|
if (!ret) {
|
ret = xt_register_targets(set_targets,
|
ARRAY_SIZE(set_targets));
|
if (ret)
|
xt_unregister_matches(set_matches,
|
ARRAY_SIZE(set_matches));
|
}
|
return ret;
|
}
|
|
static void __exit xt_set_fini(void)
|
{
|
xt_unregister_matches(set_matches, ARRAY_SIZE(set_matches));
|
xt_unregister_targets(set_targets, ARRAY_SIZE(set_targets));
|
}
|
|
module_init(xt_set_init);
|
module_exit(xt_set_fini);
|
