Commit | Line | Data |
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fe03d474 | 1 | /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org> |
ea53ac5b OS |
2 | * Copyright (C) 2013 Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa> |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | ||
9 | /* Kernel module implementing an IP set type: the hash:net type */ | |
10 | ||
11 | #include <linux/jhash.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/ip.h> | |
14 | #include <linux/skbuff.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/random.h> | |
17 | #include <net/ip.h> | |
18 | #include <net/ipv6.h> | |
19 | #include <net/netlink.h> | |
20 | ||
21 | #include <linux/netfilter.h> | |
22 | #include <linux/netfilter/ipset/pfxlen.h> | |
23 | #include <linux/netfilter/ipset/ip_set.h> | |
24 | #include <linux/netfilter/ipset/ip_set_hash.h> | |
25 | ||
26 | #define IPSET_TYPE_REV_MIN 0 | |
af331419 AD |
27 | /* 1 Forceadd support added */ |
28 | #define IPSET_TYPE_REV_MAX 2 /* skbinfo support added */ | |
ea53ac5b OS |
29 | |
30 | MODULE_LICENSE("GPL"); | |
31 | MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>"); | |
32 | IP_SET_MODULE_DESC("hash:net,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); | |
33 | MODULE_ALIAS("ip_set_hash:net,net"); | |
34 | ||
35 | /* Type specific function prefix */ | |
36 | #define HTYPE hash_netnet | |
37 | #define IP_SET_HASH_WITH_NETS | |
38 | #define IPSET_NET_COUNT 2 | |
39 | ||
40 | /* IPv4 variants */ | |
41 | ||
42 | /* Member elements */ | |
43 | struct hash_netnet4_elem { | |
44 | union { | |
45 | __be32 ip[2]; | |
46 | __be64 ipcmp; | |
47 | }; | |
48 | u8 nomatch; | |
cac37639 | 49 | u8 padding; |
ea53ac5b OS |
50 | union { |
51 | u8 cidr[2]; | |
52 | u16 ccmp; | |
53 | }; | |
54 | }; | |
55 | ||
56 | /* Common functions */ | |
57 | ||
58 | static inline bool | |
59 | hash_netnet4_data_equal(const struct hash_netnet4_elem *ip1, | |
ca0f6a5c JK |
60 | const struct hash_netnet4_elem *ip2, |
61 | u32 *multi) | |
ea53ac5b OS |
62 | { |
63 | return ip1->ipcmp == ip2->ipcmp && | |
b49faea7 | 64 | ip1->ccmp == ip2->ccmp; |
ea53ac5b OS |
65 | } |
66 | ||
67 | static inline int | |
68 | hash_netnet4_do_data_match(const struct hash_netnet4_elem *elem) | |
69 | { | |
70 | return elem->nomatch ? -ENOTEMPTY : 1; | |
71 | } | |
72 | ||
73 | static inline void | |
74 | hash_netnet4_data_set_flags(struct hash_netnet4_elem *elem, u32 flags) | |
75 | { | |
76 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; | |
77 | } | |
78 | ||
79 | static inline void | |
80 | hash_netnet4_data_reset_flags(struct hash_netnet4_elem *elem, u8 *flags) | |
81 | { | |
82 | swap(*flags, elem->nomatch); | |
83 | } | |
84 | ||
85 | static inline void | |
86 | hash_netnet4_data_reset_elem(struct hash_netnet4_elem *elem, | |
ca0f6a5c | 87 | struct hash_netnet4_elem *orig) |
ea53ac5b OS |
88 | { |
89 | elem->ip[1] = orig->ip[1]; | |
90 | } | |
91 | ||
92 | static inline void | |
93 | hash_netnet4_data_netmask(struct hash_netnet4_elem *elem, u8 cidr, bool inner) | |
94 | { | |
95 | if (inner) { | |
96 | elem->ip[1] &= ip_set_netmask(cidr); | |
97 | elem->cidr[1] = cidr; | |
98 | } else { | |
99 | elem->ip[0] &= ip_set_netmask(cidr); | |
100 | elem->cidr[0] = cidr; | |
101 | } | |
102 | } | |
103 | ||
104 | static bool | |
105 | hash_netnet4_data_list(struct sk_buff *skb, | |
ca0f6a5c | 106 | const struct hash_netnet4_elem *data) |
ea53ac5b OS |
107 | { |
108 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; | |
109 | ||
110 | if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) || | |
111 | nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) || | |
112 | nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) || | |
113 | nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) || | |
114 | (flags && | |
115 | nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) | |
116 | goto nla_put_failure; | |
9562cf28 | 117 | return false; |
ea53ac5b OS |
118 | |
119 | nla_put_failure: | |
9562cf28 | 120 | return true; |
ea53ac5b OS |
121 | } |
122 | ||
123 | static inline void | |
124 | hash_netnet4_data_next(struct hash_netnet4_elem *next, | |
ca0f6a5c | 125 | const struct hash_netnet4_elem *d) |
ea53ac5b OS |
126 | { |
127 | next->ipcmp = d->ipcmp; | |
128 | } | |
129 | ||
130 | #define MTYPE hash_netnet4 | |
ea53ac5b OS |
131 | #define HOST_MASK 32 |
132 | #include "ip_set_hash_gen.h" | |
133 | ||
96be5f28 ER |
134 | static void |
135 | hash_netnet4_init(struct hash_netnet4_elem *e) | |
136 | { | |
137 | e->cidr[0] = HOST_MASK; | |
138 | e->cidr[1] = HOST_MASK; | |
139 | } | |
140 | ||
ea53ac5b OS |
141 | static int |
142 | hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb, | |
ca0f6a5c JK |
143 | const struct xt_action_param *par, |
144 | enum ipset_adt adt, struct ip_set_adt_opt *opt) | |
ea53ac5b | 145 | { |
21956ab2 | 146 | const struct hash_netnet4 *h = set->data; |
ea53ac5b | 147 | ipset_adtfn adtfn = set->variant->adt[adt]; |
1a869205 | 148 | struct hash_netnet4_elem e = { }; |
ea53ac5b OS |
149 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
150 | ||
f690cbae JK |
151 | e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); |
152 | e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); | |
ea53ac5b OS |
153 | if (adt == IPSET_TEST) |
154 | e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK; | |
155 | ||
156 | ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]); | |
157 | ip4addrptr(skb, opt->flags & IPSET_DIM_TWO_SRC, &e.ip[1]); | |
158 | e.ip[0] &= ip_set_netmask(e.cidr[0]); | |
159 | e.ip[1] &= ip_set_netmask(e.cidr[1]); | |
160 | ||
161 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); | |
162 | } | |
163 | ||
164 | static int | |
165 | hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], | |
ca0f6a5c | 166 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
ea53ac5b | 167 | { |
21956ab2 | 168 | const struct hash_netnet4 *h = set->data; |
ea53ac5b | 169 | ipset_adtfn adtfn = set->variant->adt[adt]; |
96be5f28 | 170 | struct hash_netnet4_elem e = { }; |
ea53ac5b | 171 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
0b8d9073 JK |
172 | u32 ip = 0, ip_to = 0; |
173 | u32 ip2 = 0, ip2_from = 0, ip2_to = 0; | |
ea53ac5b OS |
174 | int ret; |
175 | ||
a212e08e SP |
176 | if (tb[IPSET_ATTR_LINENO]) |
177 | *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); | |
178 | ||
96be5f28 | 179 | hash_netnet4_init(&e); |
ea53ac5b | 180 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
7dd37bc8 | 181 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
ea53ac5b OS |
182 | return -IPSET_ERR_PROTOCOL; |
183 | ||
8e55d2e5 SP |
184 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip); |
185 | if (ret) | |
186 | return ret; | |
187 | ||
188 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from); | |
189 | if (ret) | |
190 | return ret; | |
191 | ||
192 | ret = ip_set_get_extensions(set, tb, &ext); | |
ea53ac5b OS |
193 | if (ret) |
194 | return ret; | |
195 | ||
196 | if (tb[IPSET_ATTR_CIDR]) { | |
aff22758 SP |
197 | e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]); |
198 | if (!e.cidr[0] || e.cidr[0] > HOST_MASK) | |
ea53ac5b | 199 | return -IPSET_ERR_INVALID_CIDR; |
ea53ac5b OS |
200 | } |
201 | ||
202 | if (tb[IPSET_ATTR_CIDR2]) { | |
aff22758 SP |
203 | e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]); |
204 | if (!e.cidr[1] || e.cidr[1] > HOST_MASK) | |
ea53ac5b | 205 | return -IPSET_ERR_INVALID_CIDR; |
ea53ac5b OS |
206 | } |
207 | ||
208 | if (tb[IPSET_ATTR_CADT_FLAGS]) { | |
209 | u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); | |
ca0f6a5c | 210 | |
ea53ac5b OS |
211 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
212 | flags |= (IPSET_FLAG_NOMATCH << 16); | |
213 | } | |
214 | ||
6e41ee68 | 215 | if (adt == IPSET_TEST || !(tb[IPSET_ATTR_IP_TO] || |
ea53ac5b OS |
216 | tb[IPSET_ATTR_IP2_TO])) { |
217 | e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0])); | |
218 | e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1])); | |
219 | ret = adtfn(set, &e, &ext, &ext, flags); | |
220 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : | |
221 | ip_set_eexist(ret, flags) ? 0 : ret; | |
222 | } | |
223 | ||
224 | ip_to = ip; | |
225 | if (tb[IPSET_ATTR_IP_TO]) { | |
226 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); | |
227 | if (ret) | |
228 | return ret; | |
229 | if (ip_to < ip) | |
230 | swap(ip, ip_to); | |
6e41ee68 | 231 | if (unlikely(ip + UINT_MAX == ip_to)) |
ea53ac5b | 232 | return -IPSET_ERR_HASH_RANGE; |
ca0f6a5c | 233 | } else { |
6e41ee68 | 234 | ip_set_mask_from_to(ip, ip_to, e.cidr[0]); |
ca0f6a5c | 235 | } |
ea53ac5b OS |
236 | |
237 | ip2_to = ip2_from; | |
238 | if (tb[IPSET_ATTR_IP2_TO]) { | |
239 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to); | |
240 | if (ret) | |
241 | return ret; | |
242 | if (ip2_to < ip2_from) | |
243 | swap(ip2_from, ip2_to); | |
6e41ee68 | 244 | if (unlikely(ip2_from + UINT_MAX == ip2_to)) |
ea53ac5b | 245 | return -IPSET_ERR_HASH_RANGE; |
ca0f6a5c | 246 | } else { |
6e41ee68 | 247 | ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]); |
ca0f6a5c | 248 | } |
ea53ac5b | 249 | |
0b8d9073 | 250 | if (retried) { |
ea53ac5b | 251 | ip = ntohl(h->next.ip[0]); |
0b8d9073 JK |
252 | ip2 = ntohl(h->next.ip[1]); |
253 | } else { | |
254 | ip2 = ip2_from; | |
255 | } | |
ea53ac5b | 256 | |
0b8d9073 | 257 | do { |
ea53ac5b | 258 | e.ip[0] = htonl(ip); |
0b8d9073 JK |
259 | ip = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]); |
260 | do { | |
ea53ac5b | 261 | e.ip[1] = htonl(ip2); |
0b8d9073 | 262 | ip2 = ip_set_range_to_cidr(ip2, ip2_to, &e.cidr[1]); |
ea53ac5b OS |
263 | ret = adtfn(set, &e, &ext, &ext, flags); |
264 | if (ret && !ip_set_eexist(ret, flags)) | |
265 | return ret; | |
ca0f6a5c JK |
266 | |
267 | ret = 0; | |
0b8d9073 JK |
268 | } while (ip2++ < ip2_to); |
269 | ip2 = ip2_from; | |
270 | } while (ip++ < ip_to); | |
ea53ac5b OS |
271 | return ret; |
272 | } | |
273 | ||
274 | /* IPv6 variants */ | |
275 | ||
276 | struct hash_netnet6_elem { | |
277 | union nf_inet_addr ip[2]; | |
278 | u8 nomatch; | |
cac37639 | 279 | u8 padding; |
ea53ac5b OS |
280 | union { |
281 | u8 cidr[2]; | |
282 | u16 ccmp; | |
283 | }; | |
284 | }; | |
285 | ||
286 | /* Common functions */ | |
287 | ||
288 | static inline bool | |
289 | hash_netnet6_data_equal(const struct hash_netnet6_elem *ip1, | |
ca0f6a5c JK |
290 | const struct hash_netnet6_elem *ip2, |
291 | u32 *multi) | |
ea53ac5b OS |
292 | { |
293 | return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) && | |
294 | ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) && | |
295 | ip1->ccmp == ip2->ccmp; | |
296 | } | |
297 | ||
298 | static inline int | |
299 | hash_netnet6_do_data_match(const struct hash_netnet6_elem *elem) | |
300 | { | |
301 | return elem->nomatch ? -ENOTEMPTY : 1; | |
302 | } | |
303 | ||
304 | static inline void | |
305 | hash_netnet6_data_set_flags(struct hash_netnet6_elem *elem, u32 flags) | |
306 | { | |
307 | elem->nomatch = (flags >> 16) & IPSET_FLAG_NOMATCH; | |
308 | } | |
309 | ||
310 | static inline void | |
311 | hash_netnet6_data_reset_flags(struct hash_netnet6_elem *elem, u8 *flags) | |
312 | { | |
313 | swap(*flags, elem->nomatch); | |
314 | } | |
315 | ||
316 | static inline void | |
317 | hash_netnet6_data_reset_elem(struct hash_netnet6_elem *elem, | |
ca0f6a5c | 318 | struct hash_netnet6_elem *orig) |
ea53ac5b OS |
319 | { |
320 | elem->ip[1] = orig->ip[1]; | |
321 | } | |
322 | ||
323 | static inline void | |
324 | hash_netnet6_data_netmask(struct hash_netnet6_elem *elem, u8 cidr, bool inner) | |
325 | { | |
326 | if (inner) { | |
327 | ip6_netmask(&elem->ip[1], cidr); | |
328 | elem->cidr[1] = cidr; | |
329 | } else { | |
330 | ip6_netmask(&elem->ip[0], cidr); | |
331 | elem->cidr[0] = cidr; | |
332 | } | |
333 | } | |
334 | ||
335 | static bool | |
336 | hash_netnet6_data_list(struct sk_buff *skb, | |
ca0f6a5c | 337 | const struct hash_netnet6_elem *data) |
ea53ac5b OS |
338 | { |
339 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; | |
340 | ||
341 | if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) || | |
342 | nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) || | |
343 | nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) || | |
344 | nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) || | |
345 | (flags && | |
346 | nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) | |
347 | goto nla_put_failure; | |
9562cf28 | 348 | return false; |
ea53ac5b OS |
349 | |
350 | nla_put_failure: | |
9562cf28 | 351 | return true; |
ea53ac5b OS |
352 | } |
353 | ||
354 | static inline void | |
21956ab2 | 355 | hash_netnet6_data_next(struct hash_netnet6_elem *next, |
ca0f6a5c | 356 | const struct hash_netnet6_elem *d) |
ea53ac5b OS |
357 | { |
358 | } | |
359 | ||
360 | #undef MTYPE | |
ea53ac5b OS |
361 | #undef HOST_MASK |
362 | ||
363 | #define MTYPE hash_netnet6 | |
ea53ac5b OS |
364 | #define HOST_MASK 128 |
365 | #define IP_SET_EMIT_CREATE | |
366 | #include "ip_set_hash_gen.h" | |
367 | ||
96be5f28 ER |
368 | static void |
369 | hash_netnet6_init(struct hash_netnet6_elem *e) | |
370 | { | |
371 | e->cidr[0] = HOST_MASK; | |
372 | e->cidr[1] = HOST_MASK; | |
373 | } | |
374 | ||
ea53ac5b OS |
375 | static int |
376 | hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb, | |
ca0f6a5c JK |
377 | const struct xt_action_param *par, |
378 | enum ipset_adt adt, struct ip_set_adt_opt *opt) | |
ea53ac5b | 379 | { |
21956ab2 | 380 | const struct hash_netnet6 *h = set->data; |
ea53ac5b | 381 | ipset_adtfn adtfn = set->variant->adt[adt]; |
1a869205 | 382 | struct hash_netnet6_elem e = { }; |
ea53ac5b OS |
383 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
384 | ||
f690cbae JK |
385 | e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); |
386 | e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); | |
ea53ac5b | 387 | if (adt == IPSET_TEST) |
ca0f6a5c | 388 | e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK; |
ea53ac5b OS |
389 | |
390 | ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6); | |
391 | ip6addrptr(skb, opt->flags & IPSET_DIM_TWO_SRC, &e.ip[1].in6); | |
392 | ip6_netmask(&e.ip[0], e.cidr[0]); | |
393 | ip6_netmask(&e.ip[1], e.cidr[1]); | |
394 | ||
395 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); | |
396 | } | |
397 | ||
398 | static int | |
399 | hash_netnet6_uadt(struct ip_set *set, struct nlattr *tb[], | |
ca0f6a5c | 400 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
ea53ac5b OS |
401 | { |
402 | ipset_adtfn adtfn = set->variant->adt[adt]; | |
96be5f28 | 403 | struct hash_netnet6_elem e = { }; |
ea53ac5b OS |
404 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
405 | int ret; | |
406 | ||
a212e08e SP |
407 | if (tb[IPSET_ATTR_LINENO]) |
408 | *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); | |
409 | ||
96be5f28 | 410 | hash_netnet6_init(&e); |
ea53ac5b | 411 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
7dd37bc8 | 412 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
ea53ac5b OS |
413 | return -IPSET_ERR_PROTOCOL; |
414 | if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO])) | |
415 | return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; | |
416 | ||
8e55d2e5 SP |
417 | ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]); |
418 | if (ret) | |
419 | return ret; | |
420 | ||
421 | ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]); | |
422 | if (ret) | |
423 | return ret; | |
424 | ||
425 | ret = ip_set_get_extensions(set, tb, &ext); | |
ea53ac5b OS |
426 | if (ret) |
427 | return ret; | |
428 | ||
aff22758 | 429 | if (tb[IPSET_ATTR_CIDR]) { |
ea53ac5b | 430 | e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]); |
aff22758 SP |
431 | if (!e.cidr[0] || e.cidr[0] > HOST_MASK) |
432 | return -IPSET_ERR_INVALID_CIDR; | |
433 | } | |
ea53ac5b | 434 | |
aff22758 | 435 | if (tb[IPSET_ATTR_CIDR2]) { |
ea53ac5b | 436 | e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]); |
aff22758 SP |
437 | if (!e.cidr[1] || e.cidr[1] > HOST_MASK) |
438 | return -IPSET_ERR_INVALID_CIDR; | |
439 | } | |
ea53ac5b OS |
440 | |
441 | ip6_netmask(&e.ip[0], e.cidr[0]); | |
442 | ip6_netmask(&e.ip[1], e.cidr[1]); | |
443 | ||
444 | if (tb[IPSET_ATTR_CADT_FLAGS]) { | |
445 | u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); | |
ca0f6a5c | 446 | |
ea53ac5b OS |
447 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
448 | flags |= (IPSET_FLAG_NOMATCH << 16); | |
449 | } | |
450 | ||
451 | ret = adtfn(set, &e, &ext, &ext, flags); | |
452 | ||
453 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : | |
454 | ip_set_eexist(ret, flags) ? 0 : ret; | |
455 | } | |
456 | ||
457 | static struct ip_set_type hash_netnet_type __read_mostly = { | |
458 | .name = "hash:net,net", | |
459 | .protocol = IPSET_PROTOCOL, | |
460 | .features = IPSET_TYPE_IP | IPSET_TYPE_IP2 | IPSET_TYPE_NOMATCH, | |
461 | .dimension = IPSET_DIM_TWO, | |
462 | .family = NFPROTO_UNSPEC, | |
463 | .revision_min = IPSET_TYPE_REV_MIN, | |
464 | .revision_max = IPSET_TYPE_REV_MAX, | |
465 | .create = hash_netnet_create, | |
466 | .create_policy = { | |
467 | [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, | |
468 | [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, | |
469 | [IPSET_ATTR_PROBES] = { .type = NLA_U8 }, | |
470 | [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, | |
471 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, | |
472 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, | |
473 | }, | |
474 | .adt_policy = { | |
475 | [IPSET_ATTR_IP] = { .type = NLA_NESTED }, | |
476 | [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, | |
477 | [IPSET_ATTR_IP2] = { .type = NLA_NESTED }, | |
478 | [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED }, | |
479 | [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, | |
480 | [IPSET_ATTR_CIDR2] = { .type = NLA_U8 }, | |
481 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, | |
482 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, | |
483 | [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, | |
484 | [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, | |
03726186 SP |
485 | [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING, |
486 | .len = IPSET_MAX_COMMENT_SIZE }, | |
af331419 AD |
487 | [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, |
488 | [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, | |
489 | [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, | |
ea53ac5b OS |
490 | }, |
491 | .me = THIS_MODULE, | |
492 | }; | |
493 | ||
494 | static int __init | |
495 | hash_netnet_init(void) | |
496 | { | |
497 | return ip_set_type_register(&hash_netnet_type); | |
498 | } | |
499 | ||
500 | static void __exit | |
501 | hash_netnet_fini(void) | |
502 | { | |
18f84d41 | 503 | rcu_barrier(); |
ea53ac5b OS |
504 | ip_set_type_unregister(&hash_netnet_type); |
505 | } | |
506 | ||
507 | module_init(hash_netnet_init); | |
508 | module_exit(hash_netnet_fini); |