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> |
| 4 | * Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> |
| 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 | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 33 | const 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 | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 41 | const struct ip_set_adt_opt n = { \ |
| 42 | .family = f, \ |
| 43 | .dim = d, \ |
| 44 | .flags = fs, \ |
| 45 | .cmdflags = cfs, \ |
| 46 | .timeout = t, \ |
| 47 | } |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 48 | #define ADT_MOPT(n, f, d, fs, cfs, t) \ |
| 49 | struct ip_set_adt_opt n = { \ |
| 50 | .family = f, \ |
| 51 | .dim = d, \ |
| 52 | .flags = fs, \ |
| 53 | .cmdflags = cfs, \ |
| 54 | .timeout = t, \ |
| 55 | } |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 56 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 57 | /* Revision 0 interface: backward compatible with netfilter/iptables */ |
| 58 | |
| 59 | static bool |
| 60 | set_match_v0(const struct sk_buff *skb, struct xt_action_param *par) |
| 61 | { |
| 62 | const struct xt_set_info_match_v0 *info = par->matchinfo; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 63 | ADT_OPT(opt, par->family, info->match_set.u.compat.dim, |
| 64 | info->match_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 65 | |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 66 | return match_set(info->match_set.index, skb, par, &opt, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 67 | info->match_set.u.compat.flags & IPSET_INV_MATCH); |
| 68 | } |
| 69 | |
| 70 | static void |
| 71 | compat_flags(struct xt_set_info_v0 *info) |
| 72 | { |
| 73 | u_int8_t i; |
| 74 | |
| 75 | /* Fill out compatibility data according to enum ip_set_kopt */ |
| 76 | info->u.compat.dim = IPSET_DIM_ZERO; |
| 77 | if (info->u.flags[0] & IPSET_MATCH_INV) |
| 78 | info->u.compat.flags |= IPSET_INV_MATCH; |
| 79 | for (i = 0; i < IPSET_DIM_MAX-1 && info->u.flags[i]; i++) { |
| 80 | info->u.compat.dim++; |
| 81 | if (info->u.flags[i] & IPSET_SRC) |
| 82 | info->u.compat.flags |= (1<<info->u.compat.dim); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | static int |
| 87 | set_match_v0_checkentry(const struct xt_mtchk_param *par) |
| 88 | { |
| 89 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 90 | ip_set_id_t index; |
| 91 | |
| 92 | index = ip_set_nfnl_get_byindex(info->match_set.index); |
| 93 | |
| 94 | if (index == IPSET_INVALID_ID) { |
| 95 | pr_warning("Cannot find set indentified by id %u to match\n", |
| 96 | info->match_set.index); |
| 97 | return -ENOENT; |
| 98 | } |
| 99 | if (info->match_set.u.flags[IPSET_DIM_MAX-1] != 0) { |
| 100 | pr_warning("Protocol error: set match dimension " |
| 101 | "is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 102 | ip_set_nfnl_put(info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 103 | return -ERANGE; |
| 104 | } |
| 105 | |
| 106 | /* Fill out compatibility data */ |
| 107 | compat_flags(&info->match_set); |
| 108 | |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | static void |
| 113 | set_match_v0_destroy(const struct xt_mtdtor_param *par) |
| 114 | { |
| 115 | struct xt_set_info_match_v0 *info = par->matchinfo; |
| 116 | |
| 117 | ip_set_nfnl_put(info->match_set.index); |
| 118 | } |
| 119 | |
| 120 | static unsigned int |
| 121 | set_target_v0(struct sk_buff *skb, const struct xt_action_param *par) |
| 122 | { |
| 123 | const struct xt_set_info_target_v0 *info = par->targinfo; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 124 | ADT_OPT(add_opt, par->family, info->add_set.u.compat.dim, |
| 125 | info->add_set.u.compat.flags, 0, UINT_MAX); |
| 126 | ADT_OPT(del_opt, par->family, info->del_set.u.compat.dim, |
| 127 | info->del_set.u.compat.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 128 | |
| 129 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 130 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 131 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 132 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 133 | |
| 134 | return XT_CONTINUE; |
| 135 | } |
| 136 | |
| 137 | static int |
| 138 | set_target_v0_checkentry(const struct xt_tgchk_param *par) |
| 139 | { |
| 140 | struct xt_set_info_target_v0 *info = par->targinfo; |
| 141 | ip_set_id_t index; |
| 142 | |
| 143 | if (info->add_set.index != IPSET_INVALID_ID) { |
| 144 | index = ip_set_nfnl_get_byindex(info->add_set.index); |
| 145 | if (index == IPSET_INVALID_ID) { |
| 146 | pr_warning("Cannot find add_set index %u as target\n", |
| 147 | info->add_set.index); |
| 148 | return -ENOENT; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | if (info->del_set.index != IPSET_INVALID_ID) { |
| 153 | index = ip_set_nfnl_get_byindex(info->del_set.index); |
| 154 | if (index == IPSET_INVALID_ID) { |
| 155 | pr_warning("Cannot find del_set index %u as target\n", |
| 156 | info->del_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 157 | if (info->add_set.index != IPSET_INVALID_ID) |
| 158 | ip_set_nfnl_put(info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 159 | return -ENOENT; |
| 160 | } |
| 161 | } |
| 162 | if (info->add_set.u.flags[IPSET_DIM_MAX-1] != 0 || |
| 163 | info->del_set.u.flags[IPSET_DIM_MAX-1] != 0) { |
| 164 | pr_warning("Protocol error: SET target dimension " |
| 165 | "is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 166 | if (info->add_set.index != IPSET_INVALID_ID) |
| 167 | ip_set_nfnl_put(info->add_set.index); |
| 168 | if (info->del_set.index != IPSET_INVALID_ID) |
| 169 | ip_set_nfnl_put(info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 170 | return -ERANGE; |
| 171 | } |
| 172 | |
| 173 | /* Fill out compatibility data */ |
| 174 | compat_flags(&info->add_set); |
| 175 | compat_flags(&info->del_set); |
| 176 | |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static void |
| 181 | set_target_v0_destroy(const struct xt_tgdtor_param *par) |
| 182 | { |
| 183 | const struct xt_set_info_target_v0 *info = par->targinfo; |
| 184 | |
| 185 | if (info->add_set.index != IPSET_INVALID_ID) |
| 186 | ip_set_nfnl_put(info->add_set.index); |
| 187 | if (info->del_set.index != IPSET_INVALID_ID) |
| 188 | ip_set_nfnl_put(info->del_set.index); |
| 189 | } |
| 190 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 191 | /* Revision 1 match and target */ |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 192 | |
| 193 | static bool |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 194 | set_match_v1(const struct sk_buff *skb, struct xt_action_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 195 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 196 | const struct xt_set_info_match_v1 *info = par->matchinfo; |
| 197 | ADT_OPT(opt, par->family, info->match_set.dim, |
| 198 | info->match_set.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 199 | |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 200 | return match_set(info->match_set.index, skb, par, &opt, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 201 | info->match_set.flags & IPSET_INV_MATCH); |
| 202 | } |
| 203 | |
| 204 | static int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 205 | set_match_v1_checkentry(const struct xt_mtchk_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 206 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 207 | struct xt_set_info_match_v1 *info = par->matchinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 208 | ip_set_id_t index; |
| 209 | |
| 210 | index = ip_set_nfnl_get_byindex(info->match_set.index); |
| 211 | |
| 212 | if (index == IPSET_INVALID_ID) { |
| 213 | pr_warning("Cannot find set indentified by id %u to match\n", |
| 214 | info->match_set.index); |
| 215 | return -ENOENT; |
| 216 | } |
| 217 | if (info->match_set.dim > IPSET_DIM_MAX) { |
| 218 | pr_warning("Protocol error: set match dimension " |
| 219 | "is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 220 | ip_set_nfnl_put(info->match_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 221 | return -ERANGE; |
| 222 | } |
| 223 | |
| 224 | return 0; |
| 225 | } |
| 226 | |
| 227 | static void |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 228 | set_match_v1_destroy(const struct xt_mtdtor_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 229 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 230 | struct xt_set_info_match_v1 *info = par->matchinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 231 | |
| 232 | ip_set_nfnl_put(info->match_set.index); |
| 233 | } |
| 234 | |
| 235 | static unsigned int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 236 | 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] | 237 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 238 | const struct xt_set_info_target_v1 *info = par->targinfo; |
| 239 | ADT_OPT(add_opt, par->family, info->add_set.dim, |
| 240 | info->add_set.flags, 0, UINT_MAX); |
| 241 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 242 | info->del_set.flags, 0, UINT_MAX); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 243 | |
| 244 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 245 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 246 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 247 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 248 | |
| 249 | return XT_CONTINUE; |
| 250 | } |
| 251 | |
| 252 | static int |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 253 | set_target_v1_checkentry(const struct xt_tgchk_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 254 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 255 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 256 | ip_set_id_t index; |
| 257 | |
| 258 | if (info->add_set.index != IPSET_INVALID_ID) { |
| 259 | index = ip_set_nfnl_get_byindex(info->add_set.index); |
| 260 | if (index == IPSET_INVALID_ID) { |
| 261 | pr_warning("Cannot find add_set index %u as target\n", |
| 262 | info->add_set.index); |
| 263 | return -ENOENT; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | if (info->del_set.index != IPSET_INVALID_ID) { |
| 268 | index = ip_set_nfnl_get_byindex(info->del_set.index); |
| 269 | if (index == IPSET_INVALID_ID) { |
| 270 | pr_warning("Cannot find del_set index %u as target\n", |
| 271 | info->del_set.index); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 272 | if (info->add_set.index != IPSET_INVALID_ID) |
| 273 | ip_set_nfnl_put(info->add_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 274 | return -ENOENT; |
| 275 | } |
| 276 | } |
| 277 | if (info->add_set.dim > IPSET_DIM_MAX || |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 278 | info->del_set.dim > IPSET_DIM_MAX) { |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 279 | pr_warning("Protocol error: SET target dimension " |
| 280 | "is over the limit!\n"); |
Jozsef Kadlecsik | eafbd3f | 2011-04-13 13:45:57 +0200 | [diff] [blame] | 281 | if (info->add_set.index != IPSET_INVALID_ID) |
| 282 | ip_set_nfnl_put(info->add_set.index); |
| 283 | if (info->del_set.index != IPSET_INVALID_ID) |
| 284 | ip_set_nfnl_put(info->del_set.index); |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 285 | return -ERANGE; |
| 286 | } |
| 287 | |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | static void |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 292 | set_target_v1_destroy(const struct xt_tgdtor_param *par) |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 293 | { |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 294 | const struct xt_set_info_target_v1 *info = par->targinfo; |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 295 | |
| 296 | if (info->add_set.index != IPSET_INVALID_ID) |
| 297 | ip_set_nfnl_put(info->add_set.index); |
| 298 | if (info->del_set.index != IPSET_INVALID_ID) |
| 299 | ip_set_nfnl_put(info->del_set.index); |
| 300 | } |
| 301 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 302 | /* Revision 2 target */ |
| 303 | |
| 304 | static unsigned int |
| 305 | set_target_v2(struct sk_buff *skb, const struct xt_action_param *par) |
| 306 | { |
| 307 | const struct xt_set_info_target_v2 *info = par->targinfo; |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 308 | ADT_MOPT(add_opt, par->family, info->add_set.dim, |
| 309 | info->add_set.flags, info->flags, info->timeout); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 310 | ADT_OPT(del_opt, par->family, info->del_set.dim, |
| 311 | info->del_set.flags, 0, UINT_MAX); |
| 312 | |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 313 | /* Normalize to fit into jiffies */ |
Jozsef Kadlecsik | a73f89a | 2012-06-29 09:42:28 +0000 | [diff] [blame] | 314 | if (add_opt.timeout != IPSET_NO_TIMEOUT && |
| 315 | add_opt.timeout > UINT_MAX/MSEC_PER_SEC) |
Jozsef Kadlecsik | 127f559 | 2012-05-07 02:35:44 +0000 | [diff] [blame] | 316 | add_opt.timeout = UINT_MAX/MSEC_PER_SEC; |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 317 | if (info->add_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 318 | ip_set_add(info->add_set.index, skb, par, &add_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 319 | if (info->del_set.index != IPSET_INVALID_ID) |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 320 | ip_set_del(info->del_set.index, skb, par, &del_opt); |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 321 | |
| 322 | return XT_CONTINUE; |
| 323 | } |
| 324 | |
| 325 | #define set_target_v2_checkentry set_target_v1_checkentry |
| 326 | #define set_target_v2_destroy set_target_v1_destroy |
| 327 | |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 328 | static struct xt_match set_matches[] __read_mostly = { |
| 329 | { |
| 330 | .name = "set", |
| 331 | .family = NFPROTO_IPV4, |
| 332 | .revision = 0, |
| 333 | .match = set_match_v0, |
| 334 | .matchsize = sizeof(struct xt_set_info_match_v0), |
| 335 | .checkentry = set_match_v0_checkentry, |
| 336 | .destroy = set_match_v0_destroy, |
| 337 | .me = THIS_MODULE |
| 338 | }, |
| 339 | { |
| 340 | .name = "set", |
| 341 | .family = NFPROTO_IPV4, |
| 342 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 343 | .match = set_match_v1, |
| 344 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 345 | .checkentry = set_match_v1_checkentry, |
| 346 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 347 | .me = THIS_MODULE |
| 348 | }, |
| 349 | { |
| 350 | .name = "set", |
| 351 | .family = NFPROTO_IPV6, |
| 352 | .revision = 1, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 353 | .match = set_match_v1, |
| 354 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 355 | .checkentry = set_match_v1_checkentry, |
| 356 | .destroy = set_match_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 357 | .me = THIS_MODULE |
| 358 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame^] | 359 | /* --return-nomatch flag support */ |
| 360 | { |
| 361 | .name = "set", |
| 362 | .family = NFPROTO_IPV4, |
| 363 | .revision = 2, |
| 364 | .match = set_match_v1, |
| 365 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 366 | .checkentry = set_match_v1_checkentry, |
| 367 | .destroy = set_match_v1_destroy, |
| 368 | .me = THIS_MODULE |
| 369 | }, |
| 370 | { |
| 371 | .name = "set", |
| 372 | .family = NFPROTO_IPV6, |
| 373 | .revision = 2, |
| 374 | .match = set_match_v1, |
| 375 | .matchsize = sizeof(struct xt_set_info_match_v1), |
| 376 | .checkentry = set_match_v1_checkentry, |
| 377 | .destroy = set_match_v1_destroy, |
| 378 | .me = THIS_MODULE |
| 379 | }, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 380 | }; |
| 381 | |
| 382 | static struct xt_target set_targets[] __read_mostly = { |
| 383 | { |
| 384 | .name = "SET", |
| 385 | .revision = 0, |
| 386 | .family = NFPROTO_IPV4, |
| 387 | .target = set_target_v0, |
| 388 | .targetsize = sizeof(struct xt_set_info_target_v0), |
| 389 | .checkentry = set_target_v0_checkentry, |
| 390 | .destroy = set_target_v0_destroy, |
| 391 | .me = THIS_MODULE |
| 392 | }, |
| 393 | { |
| 394 | .name = "SET", |
| 395 | .revision = 1, |
| 396 | .family = NFPROTO_IPV4, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 397 | .target = set_target_v1, |
| 398 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 399 | .checkentry = set_target_v1_checkentry, |
| 400 | .destroy = set_target_v1_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 401 | .me = THIS_MODULE |
| 402 | }, |
| 403 | { |
| 404 | .name = "SET", |
| 405 | .revision = 1, |
| 406 | .family = NFPROTO_IPV6, |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 407 | .target = set_target_v1, |
| 408 | .targetsize = sizeof(struct xt_set_info_target_v1), |
| 409 | .checkentry = set_target_v1_checkentry, |
| 410 | .destroy = set_target_v1_destroy, |
| 411 | .me = THIS_MODULE |
| 412 | }, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame^] | 413 | /* --timeout and --exist flags support */ |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 414 | { |
| 415 | .name = "SET", |
| 416 | .revision = 2, |
| 417 | .family = NFPROTO_IPV4, |
| 418 | .target = set_target_v2, |
| 419 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 420 | .checkentry = set_target_v2_checkentry, |
| 421 | .destroy = set_target_v2_destroy, |
| 422 | .me = THIS_MODULE |
| 423 | }, |
| 424 | { |
| 425 | .name = "SET", |
| 426 | .revision = 2, |
| 427 | .family = NFPROTO_IPV6, |
| 428 | .target = set_target_v2, |
| 429 | .targetsize = sizeof(struct xt_set_info_target_v2), |
| 430 | .checkentry = set_target_v2_checkentry, |
| 431 | .destroy = set_target_v2_destroy, |
Jozsef Kadlecsik | d956798 | 2011-02-01 15:56:00 +0100 | [diff] [blame] | 432 | .me = THIS_MODULE |
| 433 | }, |
| 434 | }; |
| 435 | |
| 436 | static int __init xt_set_init(void) |
| 437 | { |
| 438 | int ret = xt_register_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 439 | |
| 440 | if (!ret) { |
| 441 | ret = xt_register_targets(set_targets, |
| 442 | ARRAY_SIZE(set_targets)); |
| 443 | if (ret) |
| 444 | xt_unregister_matches(set_matches, |
| 445 | ARRAY_SIZE(set_matches)); |
| 446 | } |
| 447 | return ret; |
| 448 | } |
| 449 | |
| 450 | static void __exit xt_set_fini(void) |
| 451 | { |
| 452 | xt_unregister_matches(set_matches, ARRAY_SIZE(set_matches)); |
| 453 | xt_unregister_targets(set_targets, ARRAY_SIZE(set_targets)); |
| 454 | } |
| 455 | |
| 456 | module_init(xt_set_init); |
| 457 | module_exit(xt_set_fini); |