Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 1 | /* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> |
| 2 | * Patrick Schaaf <bof@bof.de> |
| 3 | * Martin Josefsson <gandalf@wlug.westbo.se> |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 4 | * Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | /* Kernel module which implements the set match and SET target |
| 12 | * for netfilter/iptables. */ |
| 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/skbuff.h> |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 16 | |
| 17 | #include <linux/netfilter/x_tables.h> |
| 18 | #include <linux/netfilter/xt_set.h> |
Jozsef Kadlecsik | a73f89a | 2012-06-29 09:42:28 +0000 | [diff] [blame] | 19 | #include <linux/netfilter/ipset/ip_set_timeout.h> |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 20 | |
| 21 | MODULE_LICENSE("GPL"); |
| 22 | MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); |
| 23 | MODULE_DESCRIPTION("Xtables: IP set match and target module"); |
| 24 | MODULE_ALIAS("xt_SET"); |
| 25 | MODULE_ALIAS("ipt_set"); |
| 26 | MODULE_ALIAS("ip6t_set"); |
| 27 | MODULE_ALIAS("ipt_SET"); |
| 28 | MODULE_ALIAS("ip6t_SET"); |
| 29 | |
| 30 | static inline int |
| 31 | match_set(ip_set_id_t index, const struct sk_buff *skb, |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 32 | const struct xt_action_param *par, |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 33 | struct ip_set_adt_opt *opt, int inv) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 34 | { |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 35 | if (ip_set_test(index, skb, par, opt)) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 36 | inv = !inv; |
| 37 | return inv; |
| 38 | } |
| 39 | |
Jozsef Kadlecsik | 15b4d93 | 2011-06-16 19:01:26 +0200 | [diff] [blame] | 40 | #define ADT_OPT(n, f, d, fs, cfs, t) \ |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 41 | struct ip_set_adt_opt n = { \ |
| 42 | .family = f, \ |
| 43 | .dim = d, \ |
| 44 | .flags = fs, \ |
| 45 | .cmdflags = cfs, \ |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 46 | .ext.timeout = t, \ |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 47 | } |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 48 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 49 | /* Revision 0 interface: backward compatible with netfilter/iptables */ |
| 50 | |
| 51 | static bool |
| 52 | set_match_v0(const struct sk_buff *skb, struct xt_action_param *par) |
| 53 | { |
| 54 | const struct xt_set_info_match_v0 *info = par->matchinfo; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 55 | ADT_OPT(opt, par->family, info->match_set.u.compat.dim, |
| 56 | info->match_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 57 | |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 58 | return match_set(info->match_set.index, skb, par, &opt, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 59 | info->match_set.u.compat.flags & IPSET_INV_MATCH); |
| 60 | } |
| 61 | |
| 62 | static void |
| 63 | compat_flags(struct xt_set_info_v0 *info) |
| 64 | { |
| 65 | u_int8_t i; |
| 66 | |
| 67 | /* Fill out compatibility data according to enum ip_set_kopt */ |
| 68 | info->u.compat.dim = IPSET_DIM_ZERO; |
| 69 | if (info->u.flags[0] & IPSET_MATCH_INV) |
| 70 | info->u.compat.flags |= IPSET_INV_MATCH; |
| 71 | for (i = 0; i < IPSET_DIM_MAX-1 && info->u.flags[i]; i++) { |
| 72 | info->u.compat.dim++; |
| 73 | if (info->u.flags[i] & IPSET_SRC) |
| 74 | info->u.compat.flags |= (1<<info->u.compat.dim); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | static int |
| 79 | set_match_v0_checkentry(const struct xt_mtchk_param *par) |
| 80 | { |
| 81 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 82 | ip_set_id_t index; |
| 83 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 84 | index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 85 | |
| 86 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 87 | pr_warn("Cannot find set identified by id %u to match\n", |
| 88 | info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 89 | return -ENOENT; |
| 90 | } |
| 91 | if (info->match_set.u.flags[IPSET_DIM_MAX-1] != 0) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 92 | pr_warn("Protocol error: set match dimension is over the limit!\n"); |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 93 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 94 | return -ERANGE; |
| 95 | } |
| 96 | |
| 97 | /* Fill out compatibility data */ |
| 98 | compat_flags(&info->match_set); |
| 99 | |
| 100 | return 0; |
| 101 | } |
| 102 | |
| 103 | static void |
| 104 | set_match_v0_destroy(const struct xt_mtdtor_param *par) |
| 105 | { |
| 106 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 107 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 108 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 109 | } |
| 110 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 111 | /* Revision 1 match */ |
| 112 | |
| 113 | static bool |
| 114 | set_match_v1(const struct sk_buff *skb, struct xt_action_param *par) |
| 115 | { |
| 116 | const struct xt_set_info_match_v1 *info = par->matchinfo; |
| 117 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 118 | info->match_set.flags, 0, UINT_MAX); |
| 119 | |
| 120 | if (opt.flags & IPSET_RETURN_NOMATCH) |
| 121 | opt.cmdflags |= IPSET_FLAG_RETURN_NOMATCH; |
| 122 | |
| 123 | return match_set(info->match_set.index, skb, par, &opt, |
| 124 | info->match_set.flags & IPSET_INV_MATCH); |
| 125 | } |
| 126 | |
| 127 | static int |
| 128 | set_match_v1_checkentry(const struct xt_mtchk_param *par) |
| 129 | { |
| 130 | struct xt_set_info_match_v1 *info = par->matchinfo; |
| 131 | ip_set_id_t index; |
| 132 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 133 | index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 134 | |
| 135 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 136 | pr_warn("Cannot find set identified by id %u to match\n", |
| 137 | info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 138 | return -ENOENT; |
| 139 | } |
| 140 | if (info->match_set.dim > IPSET_DIM_MAX) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 141 | pr_warn("Protocol error: set match dimension is over the limit!\n"); |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 142 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 143 | return -ERANGE; |
| 144 | } |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | static void |
| 150 | set_match_v1_destroy(const struct xt_mtdtor_param *par) |
| 151 | { |
| 152 | struct xt_set_info_match_v1 *info = par->matchinfo; |
| 153 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 154 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | /* Revision 3 match */ |
| 158 | |
| 159 | static bool |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 160 | match_counter0(u64 counter, const struct ip_set_counter_match0 *info) |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 161 | { |
| 162 | switch (info->op) { |
| 163 | case IPSET_COUNTER_NONE: |
| 164 | return true; |
| 165 | case IPSET_COUNTER_EQ: |
| 166 | return counter == info->value; |
| 167 | case IPSET_COUNTER_NE: |
| 168 | return counter != info->value; |
| 169 | case IPSET_COUNTER_LT: |
| 170 | return counter < info->value; |
| 171 | case IPSET_COUNTER_GT: |
| 172 | return counter > info->value; |
| 173 | } |
| 174 | return false; |
| 175 | } |
| 176 | |
| 177 | static bool |
| 178 | set_match_v3(const struct sk_buff *skb, struct xt_action_param *par) |
| 179 | { |
| 180 | const struct xt_set_info_match_v3 *info = par->matchinfo; |
| 181 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 182 | info->match_set.flags, info->flags, UINT_MAX); |
| 183 | int ret; |
| 184 | |
| 185 | if (info->packets.op != IPSET_COUNTER_NONE || |
| 186 | info->bytes.op != IPSET_COUNTER_NONE) |
| 187 | opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS; |
| 188 | |
| 189 | ret = match_set(info->match_set.index, skb, par, &opt, |
| 190 | info->match_set.flags & IPSET_INV_MATCH); |
| 191 | |
| 192 | if (!(ret && opt.cmdflags & IPSET_FLAG_MATCH_COUNTERS)) |
| 193 | return ret; |
| 194 | |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 195 | if (!match_counter0(opt.ext.packets, &info->packets)) |
| 196 | return 0; |
| 197 | return match_counter0(opt.ext.bytes, &info->bytes); |
| 198 | } |
| 199 | |
| 200 | #define set_match_v3_checkentry set_match_v1_checkentry |
| 201 | #define set_match_v3_destroy set_match_v1_destroy |
| 202 | |
| 203 | /* Revision 4 match */ |
| 204 | |
| 205 | static bool |
| 206 | match_counter(u64 counter, const struct ip_set_counter_match *info) |
| 207 | { |
| 208 | switch (info->op) { |
| 209 | case IPSET_COUNTER_NONE: |
| 210 | return true; |
| 211 | case IPSET_COUNTER_EQ: |
| 212 | return counter == info->value; |
| 213 | case IPSET_COUNTER_NE: |
| 214 | return counter != info->value; |
| 215 | case IPSET_COUNTER_LT: |
| 216 | return counter < info->value; |
| 217 | case IPSET_COUNTER_GT: |
| 218 | return counter > info->value; |
| 219 | } |
| 220 | return false; |
| 221 | } |
| 222 | |
| 223 | static bool |
| 224 | set_match_v4(const struct sk_buff *skb, struct xt_action_param *par) |
| 225 | { |
| 226 | const struct xt_set_info_match_v4 *info = par->matchinfo; |
| 227 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 228 | info->match_set.flags, info->flags, UINT_MAX); |
| 229 | int ret; |
| 230 | |
| 231 | if (info->packets.op != IPSET_COUNTER_NONE || |
| 232 | info->bytes.op != IPSET_COUNTER_NONE) |
| 233 | opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS; |
| 234 | |
| 235 | ret = match_set(info->match_set.index, skb, par, &opt, |
| 236 | info->match_set.flags & IPSET_INV_MATCH); |
| 237 | |
| 238 | if (!(ret && opt.cmdflags & IPSET_FLAG_MATCH_COUNTERS)) |
| 239 | return ret; |
| 240 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 241 | if (!match_counter(opt.ext.packets, &info->packets)) |
| 242 | return 0; |
| 243 | return match_counter(opt.ext.bytes, &info->bytes); |
| 244 | } |
| 245 | |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 246 | #define set_match_v4_checkentry set_match_v1_checkentry |
| 247 | #define set_match_v4_destroy set_match_v1_destroy |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 248 | |
| 249 | /* Revision 0 interface: backward compatible with netfilter/iptables */ |
| 250 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 251 | static unsigned int |
| 252 | set_target_v0(struct sk_buff *skb, const struct xt_action_param *par) |
| 253 | { |
| 254 | const struct xt_set_info_target_v0 *info = par->targinfo; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 255 | ADT_OPT(add_opt, par->family, info->add_set.u.compat.dim, |
| 256 | info->add_set.u.compat.flags, 0, UINT_MAX); |
| 257 | ADT_OPT(del_opt, par->family, info->del_set.u.compat.dim, |
| 258 | info->del_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 259 | |
| 260 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 261 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 262 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 263 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 264 | |
| 265 | return XT_CONTINUE; |
| 266 | } |
| 267 | |
| 268 | static int |
| 269 | set_target_v0_checkentry(const struct xt_tgchk_param *par) |
| 270 | { |
| 271 | struct xt_set_info_target_v0 *info = par->targinfo; |
| 272 | ip_set_id_t index; |
| 273 | |
| 274 | if (info->add_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 275 | index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 276 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 277 | pr_warn("Cannot find add_set index %u as target\n", |
| 278 | info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 279 | return -ENOENT; |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | if (info->del_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 284 | index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 285 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 286 | pr_warn("Cannot find del_set index %u as target\n", |
| 287 | info->del_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 288 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 289 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 290 | return -ENOENT; |
| 291 | } |
| 292 | } |
| 293 | if (info->add_set.u.flags[IPSET_DIM_MAX-1] != 0 || |
| 294 | info->del_set.u.flags[IPSET_DIM_MAX-1] != 0) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 295 | pr_warn("Protocol error: SET target dimension is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 296 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 297 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 298 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 299 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 300 | return -ERANGE; |
| 301 | } |
| 302 | |
| 303 | /* Fill out compatibility data */ |
| 304 | compat_flags(&info->add_set); |
| 305 | compat_flags(&info->del_set); |
| 306 | |
| 307 | return 0; |
| 308 | } |
| 309 | |
| 310 | static void |
| 311 | set_target_v0_destroy(const struct xt_tgdtor_param *par) |
| 312 | { |
| 313 | const struct xt_set_info_target_v0 *info = par->targinfo; |
| 314 | |
| 315 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 316 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 317 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 318 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 319 | } |
| 320 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 321 | /* Revision 1 target */ |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 322 | |
| 323 | static unsigned int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 324 | set_target_v1(struct sk_buff *skb, const struct xt_action_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 325 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 326 | const struct xt_set_info_target_v1 *info = par->targinfo; |
| 327 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 328 | info->add_set.flags, 0, UINT_MAX); |
| 329 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 330 | info->del_set.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 331 | |
| 332 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 333 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 334 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 335 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 336 | |
| 337 | return XT_CONTINUE; |
| 338 | } |
| 339 | |
| 340 | static int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 341 | set_target_v1_checkentry(const struct xt_tgchk_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 342 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 343 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 344 | ip_set_id_t index; |
| 345 | |
| 346 | if (info->add_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 347 | index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 348 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 349 | pr_warn("Cannot find add_set index %u as target\n", |
| 350 | info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 351 | return -ENOENT; |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | if (info->del_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 356 | index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 357 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 358 | pr_warn("Cannot find del_set index %u as target\n", |
| 359 | info->del_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 360 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 361 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 362 | return -ENOENT; |
| 363 | } |
| 364 | } |
| 365 | if (info->add_set.dim > IPSET_DIM_MAX || |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 366 | info->del_set.dim > IPSET_DIM_MAX) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 367 | pr_warn("Protocol error: SET target dimension is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 368 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 369 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 370 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 371 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 372 | return -ERANGE; |
| 373 | } |
| 374 | |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | static void |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 379 | set_target_v1_destroy(const struct xt_tgdtor_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 380 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 381 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 382 | |
| 383 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 384 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 385 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 386 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 387 | } |
| 388 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 389 | /* Revision 2 target */ |
| 390 | |
| 391 | static unsigned int |
| 392 | set_target_v2(struct sk_buff *skb, const struct xt_action_param *par) |
| 393 | { |
| 394 | const struct xt_set_info_target_v2 *info = par->targinfo; |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 395 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 396 | info->add_set.flags, info->flags, info->timeout); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 397 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 398 | info->del_set.flags, 0, UINT_MAX); |
| 399 | |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 400 | /* Normalize to fit into jiffies */ |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 401 | if (add_opt.ext.timeout != IPSET_NO_TIMEOUT && |
| 402 | add_opt.ext.timeout > UINT_MAX/MSEC_PER_SEC) |
| 403 | add_opt.ext.timeout = UINT_MAX/MSEC_PER_SEC; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 404 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 405 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 406 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 407 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 408 | |
| 409 | return XT_CONTINUE; |
| 410 | } |
| 411 | |
| 412 | #define set_target_v2_checkentry set_target_v1_checkentry |
| 413 | #define set_target_v2_destroy set_target_v1_destroy |
| 414 | |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 415 | /* Revision 3 target */ |
| 416 | |
| 417 | static unsigned int |
| 418 | set_target_v3(struct sk_buff *skb, const struct xt_action_param *par) |
| 419 | { |
| 420 | const struct xt_set_info_target_v3 *info = par->targinfo; |
| 421 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 422 | info->add_set.flags, info->flags, info->timeout); |
| 423 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 424 | info->del_set.flags, 0, UINT_MAX); |
| 425 | ADT_OPT(map_opt, par->family, info->map_set.dim, |
| 426 | info->map_set.flags, 0, UINT_MAX); |
| 427 | |
| 428 | int ret; |
| 429 | |
| 430 | /* Normalize to fit into jiffies */ |
| 431 | if (add_opt.ext.timeout != IPSET_NO_TIMEOUT && |
| 432 | add_opt.ext.timeout > UINT_MAX/MSEC_PER_SEC) |
| 433 | add_opt.ext.timeout = UINT_MAX/MSEC_PER_SEC; |
| 434 | if (info->add_set.index != IPSET_INVALID_ID) |
| 435 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
| 436 | if (info->del_set.index != IPSET_INVALID_ID) |
| 437 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
| 438 | if (info->map_set.index != IPSET_INVALID_ID) { |
| 439 | map_opt.cmdflags |= info->flags & (IPSET_FLAG_MAP_SKBMARK | |
| 440 | IPSET_FLAG_MAP_SKBPRIO | |
| 441 | IPSET_FLAG_MAP_SKBQUEUE); |
| 442 | ret = match_set(info->map_set.index, skb, par, &map_opt, |
| 443 | info->map_set.flags & IPSET_INV_MATCH); |
| 444 | if (!ret) |
| 445 | return XT_CONTINUE; |
| 446 | if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBMARK) |
| 447 | skb->mark = (skb->mark & ~(map_opt.ext.skbmarkmask)) |
| 448 | ^ (map_opt.ext.skbmark); |
| 449 | if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBPRIO) |
| 450 | skb->priority = map_opt.ext.skbprio; |
| 451 | if ((map_opt.cmdflags & IPSET_FLAG_MAP_SKBQUEUE) && |
| 452 | skb->dev && |
| 453 | skb->dev->real_num_tx_queues > map_opt.ext.skbqueue) |
| 454 | skb_set_queue_mapping(skb, map_opt.ext.skbqueue); |
| 455 | } |
| 456 | return XT_CONTINUE; |
| 457 | } |
| 458 | |
| 459 | |
| 460 | static int |
| 461 | set_target_v3_checkentry(const struct xt_tgchk_param *par) |
| 462 | { |
| 463 | const struct xt_set_info_target_v3 *info = par->targinfo; |
| 464 | ip_set_id_t index; |
| 465 | |
| 466 | if (info->add_set.index != IPSET_INVALID_ID) { |
| 467 | index = ip_set_nfnl_get_byindex(par->net, |
| 468 | info->add_set.index); |
| 469 | if (index == IPSET_INVALID_ID) { |
| 470 | pr_warn("Cannot find add_set index %u as target\n", |
| 471 | info->add_set.index); |
| 472 | return -ENOENT; |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | if (info->del_set.index != IPSET_INVALID_ID) { |
| 477 | index = ip_set_nfnl_get_byindex(par->net, |
| 478 | info->del_set.index); |
| 479 | if (index == IPSET_INVALID_ID) { |
| 480 | pr_warn("Cannot find del_set index %u as target\n", |
| 481 | info->del_set.index); |
| 482 | if (info->add_set.index != IPSET_INVALID_ID) |
| 483 | ip_set_nfnl_put(par->net, |
| 484 | info->add_set.index); |
| 485 | return -ENOENT; |
| 486 | } |
| 487 | } |
| 488 | |
| 489 | if (info->map_set.index != IPSET_INVALID_ID) { |
| 490 | if (strncmp(par->table, "mangle", 7)) { |
| 491 | pr_warn("--map-set only usable from mangle table\n"); |
| 492 | return -EINVAL; |
| 493 | } |
| 494 | if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) | |
| 495 | (info->flags & IPSET_FLAG_MAP_SKBQUEUE)) && |
| 496 | !(par->hook_mask & (1 << NF_INET_FORWARD | |
| 497 | 1 << NF_INET_LOCAL_OUT | |
| 498 | 1 << NF_INET_POST_ROUTING))) { |
| 499 | pr_warn("mapping of prio or/and queue is allowed only" |
| 500 | "from OUTPUT/FORWARD/POSTROUTING chains\n"); |
| 501 | return -EINVAL; |
| 502 | } |
| 503 | index = ip_set_nfnl_get_byindex(par->net, |
| 504 | info->map_set.index); |
| 505 | if (index == IPSET_INVALID_ID) { |
| 506 | pr_warn("Cannot find map_set index %u as target\n", |
| 507 | info->map_set.index); |
| 508 | if (info->add_set.index != IPSET_INVALID_ID) |
| 509 | ip_set_nfnl_put(par->net, |
| 510 | info->add_set.index); |
| 511 | if (info->del_set.index != IPSET_INVALID_ID) |
| 512 | ip_set_nfnl_put(par->net, |
| 513 | info->del_set.index); |
| 514 | return -ENOENT; |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | if (info->add_set.dim > IPSET_DIM_MAX || |
| 519 | info->del_set.dim > IPSET_DIM_MAX || |
| 520 | info->map_set.dim > IPSET_DIM_MAX) { |
| 521 | pr_warn("Protocol error: SET target dimension " |
| 522 | "is over the limit!\n"); |
| 523 | if (info->add_set.index != IPSET_INVALID_ID) |
| 524 | ip_set_nfnl_put(par->net, info->add_set.index); |
| 525 | if (info->del_set.index != IPSET_INVALID_ID) |
| 526 | ip_set_nfnl_put(par->net, info->del_set.index); |
| 527 | if (info->map_set.index != IPSET_INVALID_ID) |
| 528 | ip_set_nfnl_put(par->net, info->map_set.index); |
| 529 | return -ERANGE; |
| 530 | } |
| 531 | |
| 532 | return 0; |
| 533 | } |
| 534 | |
| 535 | static void |
| 536 | set_target_v3_destroy(const struct xt_tgdtor_param *par) |
| 537 | { |
| 538 | const struct xt_set_info_target_v3 *info = par->targinfo; |
| 539 | |
| 540 | if (info->add_set.index != IPSET_INVALID_ID) |
| 541 | ip_set_nfnl_put(par->net, info->add_set.index); |
| 542 | if (info->del_set.index != IPSET_INVALID_ID) |
| 543 | ip_set_nfnl_put(par->net, info->del_set.index); |
| 544 | if (info->map_set.index != IPSET_INVALID_ID) |
| 545 | ip_set_nfnl_put(par->net, info->map_set.index); |
| 546 | } |
| 547 | |
| 548 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 549 | static struct xt_match set_matches[] __read_mostly = { |
| 550 | { |
| 551 | .name = "set", |
| 552 | .family = NFPROTO_IPV4, |
| 553 | .revision = 0, |
| 554 | .match = set_match_v0, |
| 555 | .matchsize = sizeof(struct xt_set_info_match_v0), |
| 556 | .checkentry = set_match_v0_checkentry, |
| 557 | .destroy = set_match_v0_destroy, |
| 558 | .me = THIS_MODULE |
| 559 | }, |
| 560 | { |
| 561 | .name = "set", |
| 562 | .family = NFPROTO_IPV4, |
| 563 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 564 | .match = set_match_v1, |
| 565 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 566 | .checkentry = set_match_v1_checkentry, |
| 567 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 568 | .me = THIS_MODULE |
| 569 | }, |
| 570 | { |
| 571 | .name = "set", |
| 572 | .family = NFPROTO_IPV6, |
| 573 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 574 | .match = set_match_v1, |
| 575 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 576 | .checkentry = set_match_v1_checkentry, |
| 577 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 578 | .me = THIS_MODULE |
| 579 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 580 | /* --return-nomatch flag support */ |
| 581 | { |
| 582 | .name = "set", |
| 583 | .family = NFPROTO_IPV4, |
| 584 | .revision = 2, |
| 585 | .match = set_match_v1, |
| 586 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 587 | .checkentry = set_match_v1_checkentry, |
| 588 | .destroy = set_match_v1_destroy, |
| 589 | .me = THIS_MODULE |
| 590 | }, |
| 591 | { |
| 592 | .name = "set", |
| 593 | .family = NFPROTO_IPV6, |
| 594 | .revision = 2, |
| 595 | .match = set_match_v1, |
| 596 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 597 | .checkentry = set_match_v1_checkentry, |
| 598 | .destroy = set_match_v1_destroy, |
| 599 | .me = THIS_MODULE |
| 600 | }, |
Jozsef Kadlecsik | 6e01781 | 2013-04-27 14:40:50 +0200 | [diff] [blame] | 601 | /* counters support: update, match */ |
| 602 | { |
| 603 | .name = "set", |
| 604 | .family = NFPROTO_IPV4, |
| 605 | .revision = 3, |
| 606 | .match = set_match_v3, |
| 607 | .matchsize = sizeof(struct xt_set_info_match_v3), |
| 608 | .checkentry = set_match_v3_checkentry, |
| 609 | .destroy = set_match_v3_destroy, |
| 610 | .me = THIS_MODULE |
| 611 | }, |
| 612 | { |
| 613 | .name = "set", |
| 614 | .family = NFPROTO_IPV6, |
| 615 | .revision = 3, |
| 616 | .match = set_match_v3, |
| 617 | .matchsize = sizeof(struct xt_set_info_match_v3), |
| 618 | .checkentry = set_match_v3_checkentry, |
| 619 | .destroy = set_match_v3_destroy, |
| 620 | .me = THIS_MODULE |
| 621 | }, |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 622 | /* new revision for counters support: update, match */ |
| 623 | { |
| 624 | .name = "set", |
| 625 | .family = NFPROTO_IPV4, |
| 626 | .revision = 4, |
| 627 | .match = set_match_v4, |
| 628 | .matchsize = sizeof(struct xt_set_info_match_v4), |
| 629 | .checkentry = set_match_v4_checkentry, |
| 630 | .destroy = set_match_v4_destroy, |
| 631 | .me = THIS_MODULE |
| 632 | }, |
| 633 | { |
| 634 | .name = "set", |
| 635 | .family = NFPROTO_IPV6, |
| 636 | .revision = 4, |
| 637 | .match = set_match_v4, |
| 638 | .matchsize = sizeof(struct xt_set_info_match_v4), |
| 639 | .checkentry = set_match_v4_checkentry, |
| 640 | .destroy = set_match_v4_destroy, |
| 641 | .me = THIS_MODULE |
| 642 | }, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 643 | }; |
| 644 | |
| 645 | static struct xt_target set_targets[] __read_mostly = { |
| 646 | { |
| 647 | .name = "SET", |
| 648 | .revision = 0, |
| 649 | .family = NFPROTO_IPV4, |
| 650 | .target = set_target_v0, |
| 651 | .targetsize = sizeof(struct xt_set_info_target_v0), |
| 652 | .checkentry = set_target_v0_checkentry, |
| 653 | .destroy = set_target_v0_destroy, |
| 654 | .me = THIS_MODULE |
| 655 | }, |
| 656 | { |
| 657 | .name = "SET", |
| 658 | .revision = 1, |
| 659 | .family = NFPROTO_IPV4, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 660 | .target = set_target_v1, |
| 661 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 662 | .checkentry = set_target_v1_checkentry, |
| 663 | .destroy = set_target_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 664 | .me = THIS_MODULE |
| 665 | }, |
| 666 | { |
| 667 | .name = "SET", |
| 668 | .revision = 1, |
| 669 | .family = NFPROTO_IPV6, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 670 | .target = set_target_v1, |
| 671 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 672 | .checkentry = set_target_v1_checkentry, |
| 673 | .destroy = set_target_v1_destroy, |
| 674 | .me = THIS_MODULE |
| 675 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 676 | /* --timeout and --exist flags support */ |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 677 | { |
| 678 | .name = "SET", |
| 679 | .revision = 2, |
| 680 | .family = NFPROTO_IPV4, |
| 681 | .target = set_target_v2, |
| 682 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 683 | .checkentry = set_target_v2_checkentry, |
| 684 | .destroy = set_target_v2_destroy, |
| 685 | .me = THIS_MODULE |
| 686 | }, |
| 687 | { |
| 688 | .name = "SET", |
| 689 | .revision = 2, |
| 690 | .family = NFPROTO_IPV6, |
| 691 | .target = set_target_v2, |
| 692 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 693 | .checkentry = set_target_v2_checkentry, |
| 694 | .destroy = set_target_v2_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 695 | .me = THIS_MODULE |
| 696 | }, |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 697 | /* --map-set support */ |
| 698 | { |
| 699 | .name = "SET", |
| 700 | .revision = 3, |
| 701 | .family = NFPROTO_IPV4, |
| 702 | .target = set_target_v3, |
| 703 | .targetsize = sizeof(struct xt_set_info_target_v3), |
| 704 | .checkentry = set_target_v3_checkentry, |
| 705 | .destroy = set_target_v3_destroy, |
| 706 | .me = THIS_MODULE |
| 707 | }, |
| 708 | { |
| 709 | .name = "SET", |
| 710 | .revision = 3, |
| 711 | .family = NFPROTO_IPV6, |
| 712 | .target = set_target_v3, |
| 713 | .targetsize = sizeof(struct xt_set_info_target_v3), |
| 714 | .checkentry = set_target_v3_checkentry, |
| 715 | .destroy = set_target_v3_destroy, |
| 716 | .me = THIS_MODULE |
| 717 | }, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 718 | }; |
| 719 | |
| 720 | static int __init xt_set_init(void) |
| 721 | { |
| 722 | int ret = xt_register_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 723 | |
| 724 | if (!ret) { |
| 725 | ret = xt_register_targets(set_targets, |
| 726 | ARRAY_SIZE(set_targets)); |
| 727 | if (ret) |
| 728 | xt_unregister_matches(set_matches, |
| 729 | ARRAY_SIZE(set_matches)); |
| 730 | } |
| 731 | return ret; |
| 732 | } |
| 733 | |
| 734 | static void __exit xt_set_fini(void) |
| 735 | { |
| 736 | xt_unregister_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 737 | xt_unregister_targets(set_targets, ARRAY_SIZE(set_targets)); |
| 738 | } |
| 739 | |
| 740 | module_init(xt_set_init); |
| 741 | module_exit(xt_set_fini); |