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 |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 12 | * for netfilter/iptables. |
| 13 | */ |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/skbuff.h> |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 17 | |
| 18 | #include <linux/netfilter/x_tables.h> |
Jozsef Kadlecsik | a9756e6 | 2015-05-02 19:28:23 +0200 | [diff] [blame] | 19 | #include <linux/netfilter/ipset/ip_set.h> |
Jozsef Kadlecsik | a73f89a | 2012-06-29 09:42:28 +0000 | [diff] [blame] | 20 | #include <linux/netfilter/ipset/ip_set_timeout.h> |
Jozsef Kadlecsik | a9756e6 | 2015-05-02 19:28:23 +0200 | [diff] [blame] | 21 | #include <uapi/linux/netfilter/xt_set.h> |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 22 | |
| 23 | MODULE_LICENSE("GPL"); |
| 24 | MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); |
| 25 | MODULE_DESCRIPTION("Xtables: IP set match and target module"); |
| 26 | MODULE_ALIAS("xt_SET"); |
| 27 | MODULE_ALIAS("ipt_set"); |
| 28 | MODULE_ALIAS("ip6t_set"); |
| 29 | MODULE_ALIAS("ipt_SET"); |
| 30 | MODULE_ALIAS("ip6t_SET"); |
| 31 | |
| 32 | static inline int |
| 33 | match_set(ip_set_id_t index, const struct sk_buff *skb, |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 34 | const struct xt_action_param *par, |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 35 | struct ip_set_adt_opt *opt, int inv) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 36 | { |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 37 | if (ip_set_test(index, skb, par, opt)) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 38 | inv = !inv; |
| 39 | return inv; |
| 40 | } |
| 41 | |
Jozsef Kadlecsik | 15b4d93 | 2011-06-16 19:01:26 +0200 | [diff] [blame] | 42 | #define ADT_OPT(n, f, d, fs, cfs, t) \ |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 43 | struct ip_set_adt_opt n = { \ |
| 44 | .family = f, \ |
| 45 | .dim = d, \ |
| 46 | .flags = fs, \ |
| 47 | .cmdflags = cfs, \ |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 48 | .ext.timeout = t, \ |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 49 | } |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 50 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 51 | /* Revision 0 interface: backward compatible with netfilter/iptables */ |
| 52 | |
| 53 | static bool |
| 54 | set_match_v0(const struct sk_buff *skb, struct xt_action_param *par) |
| 55 | { |
| 56 | const struct xt_set_info_match_v0 *info = par->matchinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 57 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 58 | ADT_OPT(opt, par->family, info->match_set.u.compat.dim, |
| 59 | info->match_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 60 | |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 61 | return match_set(info->match_set.index, skb, par, &opt, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 62 | info->match_set.u.compat.flags & IPSET_INV_MATCH); |
| 63 | } |
| 64 | |
| 65 | static void |
| 66 | compat_flags(struct xt_set_info_v0 *info) |
| 67 | { |
| 68 | u_int8_t i; |
| 69 | |
| 70 | /* Fill out compatibility data according to enum ip_set_kopt */ |
| 71 | info->u.compat.dim = IPSET_DIM_ZERO; |
| 72 | if (info->u.flags[0] & IPSET_MATCH_INV) |
| 73 | info->u.compat.flags |= IPSET_INV_MATCH; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 74 | for (i = 0; i < IPSET_DIM_MAX - 1 && info->u.flags[i]; i++) { |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 75 | info->u.compat.dim++; |
| 76 | if (info->u.flags[i] & IPSET_SRC) |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 77 | info->u.compat.flags |= (1 << info->u.compat.dim); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 78 | } |
| 79 | } |
| 80 | |
| 81 | static int |
| 82 | set_match_v0_checkentry(const struct xt_mtchk_param *par) |
| 83 | { |
| 84 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 85 | ip_set_id_t index; |
| 86 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 87 | index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 88 | |
| 89 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 90 | pr_warn("Cannot find set identified by id %u to match\n", |
| 91 | info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 92 | return -ENOENT; |
| 93 | } |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 94 | if (info->match_set.u.flags[IPSET_DIM_MAX - 1] != 0) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 95 | pr_warn("Protocol error: set match dimension is over the limit!\n"); |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 96 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 97 | return -ERANGE; |
| 98 | } |
| 99 | |
| 100 | /* Fill out compatibility data */ |
| 101 | compat_flags(&info->match_set); |
| 102 | |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | static void |
| 107 | set_match_v0_destroy(const struct xt_mtdtor_param *par) |
| 108 | { |
| 109 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 110 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 111 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 112 | } |
| 113 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 114 | /* Revision 1 match */ |
| 115 | |
| 116 | static bool |
| 117 | set_match_v1(const struct sk_buff *skb, struct xt_action_param *par) |
| 118 | { |
| 119 | const struct xt_set_info_match_v1 *info = par->matchinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 120 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 121 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 122 | info->match_set.flags, 0, UINT_MAX); |
| 123 | |
| 124 | if (opt.flags & IPSET_RETURN_NOMATCH) |
| 125 | opt.cmdflags |= IPSET_FLAG_RETURN_NOMATCH; |
| 126 | |
| 127 | return match_set(info->match_set.index, skb, par, &opt, |
| 128 | info->match_set.flags & IPSET_INV_MATCH); |
| 129 | } |
| 130 | |
| 131 | static int |
| 132 | set_match_v1_checkentry(const struct xt_mtchk_param *par) |
| 133 | { |
| 134 | struct xt_set_info_match_v1 *info = par->matchinfo; |
| 135 | ip_set_id_t index; |
| 136 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 137 | index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 138 | |
| 139 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 140 | pr_warn("Cannot find set identified by id %u to match\n", |
| 141 | info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 142 | return -ENOENT; |
| 143 | } |
| 144 | if (info->match_set.dim > IPSET_DIM_MAX) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 145 | pr_warn("Protocol error: set match dimension is over the limit!\n"); |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 146 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 147 | return -ERANGE; |
| 148 | } |
| 149 | |
| 150 | return 0; |
| 151 | } |
| 152 | |
| 153 | static void |
| 154 | set_match_v1_destroy(const struct xt_mtdtor_param *par) |
| 155 | { |
| 156 | struct xt_set_info_match_v1 *info = par->matchinfo; |
| 157 | |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 158 | ip_set_nfnl_put(par->net, info->match_set.index); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | /* Revision 3 match */ |
| 162 | |
| 163 | static bool |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 164 | match_counter0(u64 counter, const struct ip_set_counter_match0 *info) |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 165 | { |
| 166 | switch (info->op) { |
| 167 | case IPSET_COUNTER_NONE: |
| 168 | return true; |
| 169 | case IPSET_COUNTER_EQ: |
| 170 | return counter == info->value; |
| 171 | case IPSET_COUNTER_NE: |
| 172 | return counter != info->value; |
| 173 | case IPSET_COUNTER_LT: |
| 174 | return counter < info->value; |
| 175 | case IPSET_COUNTER_GT: |
| 176 | return counter > info->value; |
| 177 | } |
| 178 | return false; |
| 179 | } |
| 180 | |
| 181 | static bool |
| 182 | set_match_v3(const struct sk_buff *skb, struct xt_action_param *par) |
| 183 | { |
| 184 | const struct xt_set_info_match_v3 *info = par->matchinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 185 | int ret; |
| 186 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 187 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 188 | info->match_set.flags, info->flags, UINT_MAX); |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 189 | |
| 190 | if (info->packets.op != IPSET_COUNTER_NONE || |
| 191 | info->bytes.op != IPSET_COUNTER_NONE) |
| 192 | opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS; |
| 193 | |
| 194 | ret = match_set(info->match_set.index, skb, par, &opt, |
| 195 | info->match_set.flags & IPSET_INV_MATCH); |
| 196 | |
| 197 | if (!(ret && opt.cmdflags & IPSET_FLAG_MATCH_COUNTERS)) |
| 198 | return ret; |
| 199 | |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 200 | if (!match_counter0(opt.ext.packets, &info->packets)) |
Wu Fengguang | 7f73b9f | 2015-02-11 20:33:05 +0800 | [diff] [blame] | 201 | return false; |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 202 | return match_counter0(opt.ext.bytes, &info->bytes); |
| 203 | } |
| 204 | |
| 205 | #define set_match_v3_checkentry set_match_v1_checkentry |
| 206 | #define set_match_v3_destroy set_match_v1_destroy |
| 207 | |
| 208 | /* Revision 4 match */ |
| 209 | |
| 210 | static bool |
| 211 | match_counter(u64 counter, const struct ip_set_counter_match *info) |
| 212 | { |
| 213 | switch (info->op) { |
| 214 | case IPSET_COUNTER_NONE: |
| 215 | return true; |
| 216 | case IPSET_COUNTER_EQ: |
| 217 | return counter == info->value; |
| 218 | case IPSET_COUNTER_NE: |
| 219 | return counter != info->value; |
| 220 | case IPSET_COUNTER_LT: |
| 221 | return counter < info->value; |
| 222 | case IPSET_COUNTER_GT: |
| 223 | return counter > info->value; |
| 224 | } |
| 225 | return false; |
| 226 | } |
| 227 | |
| 228 | static bool |
| 229 | set_match_v4(const struct sk_buff *skb, struct xt_action_param *par) |
| 230 | { |
| 231 | const struct xt_set_info_match_v4 *info = par->matchinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 232 | int ret; |
| 233 | |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 234 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 235 | info->match_set.flags, info->flags, UINT_MAX); |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 236 | |
| 237 | if (info->packets.op != IPSET_COUNTER_NONE || |
| 238 | info->bytes.op != IPSET_COUNTER_NONE) |
| 239 | opt.cmdflags |= IPSET_FLAG_MATCH_COUNTERS; |
| 240 | |
| 241 | ret = match_set(info->match_set.index, skb, par, &opt, |
| 242 | info->match_set.flags & IPSET_INV_MATCH); |
| 243 | |
| 244 | if (!(ret && opt.cmdflags & IPSET_FLAG_MATCH_COUNTERS)) |
| 245 | return ret; |
| 246 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 247 | if (!match_counter(opt.ext.packets, &info->packets)) |
Wu Fengguang | 7f73b9f | 2015-02-11 20:33:05 +0800 | [diff] [blame] | 248 | return false; |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 249 | return match_counter(opt.ext.bytes, &info->bytes); |
| 250 | } |
| 251 | |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 252 | #define set_match_v4_checkentry set_match_v1_checkentry |
| 253 | #define set_match_v4_destroy set_match_v1_destroy |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 254 | |
| 255 | /* Revision 0 interface: backward compatible with netfilter/iptables */ |
| 256 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 257 | static unsigned int |
| 258 | set_target_v0(struct sk_buff *skb, const struct xt_action_param *par) |
| 259 | { |
| 260 | const struct xt_set_info_target_v0 *info = par->targinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 261 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 262 | ADT_OPT(add_opt, par->family, info->add_set.u.compat.dim, |
| 263 | info->add_set.u.compat.flags, 0, UINT_MAX); |
| 264 | ADT_OPT(del_opt, par->family, info->del_set.u.compat.dim, |
| 265 | info->del_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 266 | |
| 267 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 268 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 269 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 270 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 271 | |
| 272 | return XT_CONTINUE; |
| 273 | } |
| 274 | |
| 275 | static int |
| 276 | set_target_v0_checkentry(const struct xt_tgchk_param *par) |
| 277 | { |
| 278 | struct xt_set_info_target_v0 *info = par->targinfo; |
| 279 | ip_set_id_t index; |
| 280 | |
| 281 | if (info->add_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 282 | index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 283 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 284 | pr_warn("Cannot find add_set index %u as target\n", |
| 285 | info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 286 | return -ENOENT; |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | if (info->del_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 291 | index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 292 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 293 | pr_warn("Cannot find del_set index %u as target\n", |
| 294 | info->del_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 295 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 296 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 297 | return -ENOENT; |
| 298 | } |
| 299 | } |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 300 | if (info->add_set.u.flags[IPSET_DIM_MAX - 1] != 0 || |
| 301 | info->del_set.u.flags[IPSET_DIM_MAX - 1] != 0) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 302 | pr_warn("Protocol error: SET target dimension is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 303 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 304 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 305 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 306 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 307 | return -ERANGE; |
| 308 | } |
| 309 | |
| 310 | /* Fill out compatibility data */ |
| 311 | compat_flags(&info->add_set); |
| 312 | compat_flags(&info->del_set); |
| 313 | |
| 314 | return 0; |
| 315 | } |
| 316 | |
| 317 | static void |
| 318 | set_target_v0_destroy(const struct xt_tgdtor_param *par) |
| 319 | { |
| 320 | const struct xt_set_info_target_v0 *info = par->targinfo; |
| 321 | |
| 322 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 323 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 324 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 325 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 326 | } |
| 327 | |
Jozsef Kadlecsik | bd3129f | 2013-09-30 07:49:47 +0200 | [diff] [blame] | 328 | /* Revision 1 target */ |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 329 | |
| 330 | static unsigned int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 331 | 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] | 332 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 333 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 334 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 335 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 336 | info->add_set.flags, 0, UINT_MAX); |
| 337 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 338 | info->del_set.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 339 | |
| 340 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 341 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 342 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 343 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 344 | |
| 345 | return XT_CONTINUE; |
| 346 | } |
| 347 | |
| 348 | static int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 349 | set_target_v1_checkentry(const struct xt_tgchk_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 350 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 351 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 352 | ip_set_id_t index; |
| 353 | |
| 354 | if (info->add_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 355 | index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 356 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 357 | pr_warn("Cannot find add_set index %u as target\n", |
| 358 | info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 359 | return -ENOENT; |
| 360 | } |
| 361 | } |
| 362 | |
| 363 | if (info->del_set.index != IPSET_INVALID_ID) { |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 364 | index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 365 | if (index == IPSET_INVALID_ID) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 366 | pr_warn("Cannot find del_set index %u as target\n", |
| 367 | info->del_set.index); |
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 | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 370 | return -ENOENT; |
| 371 | } |
| 372 | } |
| 373 | if (info->add_set.dim > IPSET_DIM_MAX || |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 374 | info->del_set.dim > IPSET_DIM_MAX) { |
Joe Perches | b167a37 | 2014-09-09 21:17:32 -0700 | [diff] [blame] | 375 | pr_warn("Protocol error: SET target dimension is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 376 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 377 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 378 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 379 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 380 | return -ERANGE; |
| 381 | } |
| 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | static void |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 387 | set_target_v1_destroy(const struct xt_tgdtor_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 388 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 389 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 390 | |
| 391 | if (info->add_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 392 | ip_set_nfnl_put(par->net, info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 393 | if (info->del_set.index != IPSET_INVALID_ID) |
Vitaly Lavrov | 1785e8f | 2013-09-30 17:07:02 +0200 | [diff] [blame] | 394 | ip_set_nfnl_put(par->net, info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 395 | } |
| 396 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 397 | /* Revision 2 target */ |
| 398 | |
| 399 | static unsigned int |
| 400 | set_target_v2(struct sk_buff *skb, const struct xt_action_param *par) |
| 401 | { |
| 402 | const struct xt_set_info_target_v2 *info = par->targinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 403 | |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 404 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 405 | info->add_set.flags, info->flags, info->timeout); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 406 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 407 | info->del_set.flags, 0, UINT_MAX); |
| 408 | |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 409 | /* Normalize to fit into jiffies */ |
Jozsef Kadlecsik | 075e64c | 2013-04-27 14:28:55 +0200 | [diff] [blame] | 410 | if (add_opt.ext.timeout != IPSET_NO_TIMEOUT && |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 411 | add_opt.ext.timeout > UINT_MAX / MSEC_PER_SEC) |
| 412 | add_opt.ext.timeout = UINT_MAX / MSEC_PER_SEC; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 413 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 414 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 415 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 416 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 417 | |
| 418 | return XT_CONTINUE; |
| 419 | } |
| 420 | |
| 421 | #define set_target_v2_checkentry set_target_v1_checkentry |
| 422 | #define set_target_v2_destroy set_target_v1_destroy |
| 423 | |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 424 | /* Revision 3 target */ |
| 425 | |
| 426 | static unsigned int |
| 427 | set_target_v3(struct sk_buff *skb, const struct xt_action_param *par) |
| 428 | { |
| 429 | const struct xt_set_info_target_v3 *info = par->targinfo; |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 430 | int ret; |
| 431 | |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 432 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 433 | info->add_set.flags, info->flags, info->timeout); |
| 434 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 435 | info->del_set.flags, 0, UINT_MAX); |
| 436 | ADT_OPT(map_opt, par->family, info->map_set.dim, |
| 437 | info->map_set.flags, 0, UINT_MAX); |
| 438 | |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 439 | /* Normalize to fit into jiffies */ |
| 440 | if (add_opt.ext.timeout != IPSET_NO_TIMEOUT && |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 441 | add_opt.ext.timeout > UINT_MAX / MSEC_PER_SEC) |
| 442 | add_opt.ext.timeout = UINT_MAX / MSEC_PER_SEC; |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 443 | if (info->add_set.index != IPSET_INVALID_ID) |
| 444 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
| 445 | if (info->del_set.index != IPSET_INVALID_ID) |
| 446 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
| 447 | if (info->map_set.index != IPSET_INVALID_ID) { |
| 448 | map_opt.cmdflags |= info->flags & (IPSET_FLAG_MAP_SKBMARK | |
| 449 | IPSET_FLAG_MAP_SKBPRIO | |
| 450 | IPSET_FLAG_MAP_SKBQUEUE); |
| 451 | ret = match_set(info->map_set.index, skb, par, &map_opt, |
| 452 | info->map_set.flags & IPSET_INV_MATCH); |
| 453 | if (!ret) |
| 454 | return XT_CONTINUE; |
| 455 | if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBMARK) |
| 456 | skb->mark = (skb->mark & ~(map_opt.ext.skbmarkmask)) |
| 457 | ^ (map_opt.ext.skbmark); |
| 458 | if (map_opt.cmdflags & IPSET_FLAG_MAP_SKBPRIO) |
| 459 | skb->priority = map_opt.ext.skbprio; |
| 460 | if ((map_opt.cmdflags & IPSET_FLAG_MAP_SKBQUEUE) && |
| 461 | skb->dev && |
| 462 | skb->dev->real_num_tx_queues > map_opt.ext.skbqueue) |
| 463 | skb_set_queue_mapping(skb, map_opt.ext.skbqueue); |
| 464 | } |
| 465 | return XT_CONTINUE; |
| 466 | } |
| 467 | |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 468 | static int |
| 469 | set_target_v3_checkentry(const struct xt_tgchk_param *par) |
| 470 | { |
| 471 | const struct xt_set_info_target_v3 *info = par->targinfo; |
| 472 | ip_set_id_t index; |
| 473 | |
| 474 | if (info->add_set.index != IPSET_INVALID_ID) { |
| 475 | index = ip_set_nfnl_get_byindex(par->net, |
| 476 | info->add_set.index); |
| 477 | if (index == IPSET_INVALID_ID) { |
| 478 | pr_warn("Cannot find add_set index %u as target\n", |
| 479 | info->add_set.index); |
| 480 | return -ENOENT; |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | if (info->del_set.index != IPSET_INVALID_ID) { |
| 485 | index = ip_set_nfnl_get_byindex(par->net, |
| 486 | info->del_set.index); |
| 487 | if (index == IPSET_INVALID_ID) { |
| 488 | pr_warn("Cannot find del_set index %u as target\n", |
| 489 | info->del_set.index); |
| 490 | if (info->add_set.index != IPSET_INVALID_ID) |
| 491 | ip_set_nfnl_put(par->net, |
| 492 | info->add_set.index); |
| 493 | return -ENOENT; |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | if (info->map_set.index != IPSET_INVALID_ID) { |
| 498 | if (strncmp(par->table, "mangle", 7)) { |
| 499 | pr_warn("--map-set only usable from mangle table\n"); |
| 500 | return -EINVAL; |
| 501 | } |
| 502 | if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) | |
| 503 | (info->flags & IPSET_FLAG_MAP_SKBQUEUE)) && |
| 504 | !(par->hook_mask & (1 << NF_INET_FORWARD | |
| 505 | 1 << NF_INET_LOCAL_OUT | |
| 506 | 1 << NF_INET_POST_ROUTING))) { |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 507 | pr_warn("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n"); |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 508 | return -EINVAL; |
| 509 | } |
| 510 | index = ip_set_nfnl_get_byindex(par->net, |
| 511 | info->map_set.index); |
| 512 | if (index == IPSET_INVALID_ID) { |
| 513 | pr_warn("Cannot find map_set index %u as target\n", |
| 514 | info->map_set.index); |
| 515 | if (info->add_set.index != IPSET_INVALID_ID) |
| 516 | ip_set_nfnl_put(par->net, |
| 517 | info->add_set.index); |
| 518 | if (info->del_set.index != IPSET_INVALID_ID) |
| 519 | ip_set_nfnl_put(par->net, |
| 520 | info->del_set.index); |
| 521 | return -ENOENT; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | if (info->add_set.dim > IPSET_DIM_MAX || |
| 526 | info->del_set.dim > IPSET_DIM_MAX || |
| 527 | info->map_set.dim > IPSET_DIM_MAX) { |
Jozsef Kadlecsik | ca0f6a5 | 2015-06-13 19:45:33 +0200 | [diff] [blame] | 528 | pr_warn("Protocol error: SET target dimension is over the limit!\n"); |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 529 | if (info->add_set.index != IPSET_INVALID_ID) |
| 530 | ip_set_nfnl_put(par->net, info->add_set.index); |
| 531 | if (info->del_set.index != IPSET_INVALID_ID) |
| 532 | ip_set_nfnl_put(par->net, info->del_set.index); |
| 533 | if (info->map_set.index != IPSET_INVALID_ID) |
| 534 | ip_set_nfnl_put(par->net, info->map_set.index); |
| 535 | return -ERANGE; |
| 536 | } |
| 537 | |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | static void |
| 542 | set_target_v3_destroy(const struct xt_tgdtor_param *par) |
| 543 | { |
| 544 | const struct xt_set_info_target_v3 *info = par->targinfo; |
| 545 | |
| 546 | if (info->add_set.index != IPSET_INVALID_ID) |
| 547 | ip_set_nfnl_put(par->net, info->add_set.index); |
| 548 | if (info->del_set.index != IPSET_INVALID_ID) |
| 549 | ip_set_nfnl_put(par->net, info->del_set.index); |
| 550 | if (info->map_set.index != IPSET_INVALID_ID) |
| 551 | ip_set_nfnl_put(par->net, info->map_set.index); |
| 552 | } |
| 553 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 554 | static struct xt_match set_matches[] __read_mostly = { |
| 555 | { |
| 556 | .name = "set", |
| 557 | .family = NFPROTO_IPV4, |
| 558 | .revision = 0, |
| 559 | .match = set_match_v0, |
| 560 | .matchsize = sizeof(struct xt_set_info_match_v0), |
| 561 | .checkentry = set_match_v0_checkentry, |
| 562 | .destroy = set_match_v0_destroy, |
| 563 | .me = THIS_MODULE |
| 564 | }, |
| 565 | { |
| 566 | .name = "set", |
| 567 | .family = NFPROTO_IPV4, |
| 568 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 569 | .match = set_match_v1, |
| 570 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 571 | .checkentry = set_match_v1_checkentry, |
| 572 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 573 | .me = THIS_MODULE |
| 574 | }, |
| 575 | { |
| 576 | .name = "set", |
| 577 | .family = NFPROTO_IPV6, |
| 578 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 579 | .match = set_match_v1, |
| 580 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 581 | .checkentry = set_match_v1_checkentry, |
| 582 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 583 | .me = THIS_MODULE |
| 584 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 585 | /* --return-nomatch flag support */ |
| 586 | { |
| 587 | .name = "set", |
| 588 | .family = NFPROTO_IPV4, |
| 589 | .revision = 2, |
| 590 | .match = set_match_v1, |
| 591 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 592 | .checkentry = set_match_v1_checkentry, |
| 593 | .destroy = set_match_v1_destroy, |
| 594 | .me = THIS_MODULE |
| 595 | }, |
| 596 | { |
| 597 | .name = "set", |
| 598 | .family = NFPROTO_IPV6, |
| 599 | .revision = 2, |
| 600 | .match = set_match_v1, |
| 601 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 602 | .checkentry = set_match_v1_checkentry, |
| 603 | .destroy = set_match_v1_destroy, |
| 604 | .me = THIS_MODULE |
| 605 | }, |
Jozsef Kadlecsik | 6e01781 | 2013-04-27 14:40:50 +0200 | [diff] [blame] | 606 | /* counters support: update, match */ |
| 607 | { |
| 608 | .name = "set", |
| 609 | .family = NFPROTO_IPV4, |
| 610 | .revision = 3, |
| 611 | .match = set_match_v3, |
| 612 | .matchsize = sizeof(struct xt_set_info_match_v3), |
| 613 | .checkentry = set_match_v3_checkentry, |
| 614 | .destroy = set_match_v3_destroy, |
| 615 | .me = THIS_MODULE |
| 616 | }, |
| 617 | { |
| 618 | .name = "set", |
| 619 | .family = NFPROTO_IPV6, |
| 620 | .revision = 3, |
| 621 | .match = set_match_v3, |
| 622 | .matchsize = sizeof(struct xt_set_info_match_v3), |
| 623 | .checkentry = set_match_v3_checkentry, |
| 624 | .destroy = set_match_v3_destroy, |
| 625 | .me = THIS_MODULE |
| 626 | }, |
Jozsef Kadlecsik | a51b919 | 2014-11-30 19:56:53 +0100 | [diff] [blame] | 627 | /* new revision for counters support: update, match */ |
| 628 | { |
| 629 | .name = "set", |
| 630 | .family = NFPROTO_IPV4, |
| 631 | .revision = 4, |
| 632 | .match = set_match_v4, |
| 633 | .matchsize = sizeof(struct xt_set_info_match_v4), |
| 634 | .checkentry = set_match_v4_checkentry, |
| 635 | .destroy = set_match_v4_destroy, |
| 636 | .me = THIS_MODULE |
| 637 | }, |
| 638 | { |
| 639 | .name = "set", |
| 640 | .family = NFPROTO_IPV6, |
| 641 | .revision = 4, |
| 642 | .match = set_match_v4, |
| 643 | .matchsize = sizeof(struct xt_set_info_match_v4), |
| 644 | .checkentry = set_match_v4_checkentry, |
| 645 | .destroy = set_match_v4_destroy, |
| 646 | .me = THIS_MODULE |
| 647 | }, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 648 | }; |
| 649 | |
| 650 | static struct xt_target set_targets[] __read_mostly = { |
| 651 | { |
| 652 | .name = "SET", |
| 653 | .revision = 0, |
| 654 | .family = NFPROTO_IPV4, |
| 655 | .target = set_target_v0, |
| 656 | .targetsize = sizeof(struct xt_set_info_target_v0), |
| 657 | .checkentry = set_target_v0_checkentry, |
| 658 | .destroy = set_target_v0_destroy, |
| 659 | .me = THIS_MODULE |
| 660 | }, |
| 661 | { |
| 662 | .name = "SET", |
| 663 | .revision = 1, |
| 664 | .family = NFPROTO_IPV4, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 665 | .target = set_target_v1, |
| 666 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 667 | .checkentry = set_target_v1_checkentry, |
| 668 | .destroy = set_target_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 669 | .me = THIS_MODULE |
| 670 | }, |
| 671 | { |
| 672 | .name = "SET", |
| 673 | .revision = 1, |
| 674 | .family = NFPROTO_IPV6, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 675 | .target = set_target_v1, |
| 676 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 677 | .checkentry = set_target_v1_checkentry, |
| 678 | .destroy = set_target_v1_destroy, |
| 679 | .me = THIS_MODULE |
| 680 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 681 | /* --timeout and --exist flags support */ |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 682 | { |
| 683 | .name = "SET", |
| 684 | .revision = 2, |
| 685 | .family = NFPROTO_IPV4, |
| 686 | .target = set_target_v2, |
| 687 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 688 | .checkentry = set_target_v2_checkentry, |
| 689 | .destroy = set_target_v2_destroy, |
| 690 | .me = THIS_MODULE |
| 691 | }, |
| 692 | { |
| 693 | .name = "SET", |
| 694 | .revision = 2, |
| 695 | .family = NFPROTO_IPV6, |
| 696 | .target = set_target_v2, |
| 697 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 698 | .checkentry = set_target_v2_checkentry, |
| 699 | .destroy = set_target_v2_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 700 | .me = THIS_MODULE |
| 701 | }, |
Anton Danilov | 76cea41 | 2014-09-02 14:21:20 +0400 | [diff] [blame] | 702 | /* --map-set support */ |
| 703 | { |
| 704 | .name = "SET", |
| 705 | .revision = 3, |
| 706 | .family = NFPROTO_IPV4, |
| 707 | .target = set_target_v3, |
| 708 | .targetsize = sizeof(struct xt_set_info_target_v3), |
| 709 | .checkentry = set_target_v3_checkentry, |
| 710 | .destroy = set_target_v3_destroy, |
| 711 | .me = THIS_MODULE |
| 712 | }, |
| 713 | { |
| 714 | .name = "SET", |
| 715 | .revision = 3, |
| 716 | .family = NFPROTO_IPV6, |
| 717 | .target = set_target_v3, |
| 718 | .targetsize = sizeof(struct xt_set_info_target_v3), |
| 719 | .checkentry = set_target_v3_checkentry, |
| 720 | .destroy = set_target_v3_destroy, |
| 721 | .me = THIS_MODULE |
| 722 | }, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 723 | }; |
| 724 | |
| 725 | static int __init xt_set_init(void) |
| 726 | { |
| 727 | int ret = xt_register_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 728 | |
| 729 | if (!ret) { |
| 730 | ret = xt_register_targets(set_targets, |
| 731 | ARRAY_SIZE(set_targets)); |
| 732 | if (ret) |
| 733 | xt_unregister_matches(set_matches, |
| 734 | ARRAY_SIZE(set_matches)); |
| 735 | } |
| 736 | return ret; |
| 737 | } |
| 738 | |
| 739 | static void __exit xt_set_fini(void) |
| 740 | { |
| 741 | xt_unregister_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 742 | xt_unregister_targets(set_targets, ARRAY_SIZE(set_targets)); |
| 743 | } |
| 744 | |
| 745 | module_init(xt_set_init); |
| 746 | module_exit(xt_set_fini); |