1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org> */ |
3 | |
4 | /* Kernel module implementing an IP set type: the hash:ip,port,net type */ |
5 | |
6 | #include <linux/jhash.h> |
7 | #include <linux/module.h> |
8 | #include <linux/ip.h> |
9 | #include <linux/skbuff.h> |
10 | #include <linux/errno.h> |
11 | #include <linux/random.h> |
12 | #include <net/ip.h> |
13 | #include <net/ipv6.h> |
14 | #include <net/netlink.h> |
15 | #include <net/tcp.h> |
16 | |
17 | #include <linux/netfilter.h> |
18 | #include <linux/netfilter/ipset/pfxlen.h> |
19 | #include <linux/netfilter/ipset/ip_set.h> |
20 | #include <linux/netfilter/ipset/ip_set_getport.h> |
21 | #include <linux/netfilter/ipset/ip_set_hash.h> |
22 | |
23 | #define IPSET_TYPE_REV_MIN 0 |
24 | /* 1 SCTP and UDPLITE support added */ |
25 | /* 2 Range as input support for IPv4 added */ |
26 | /* 3 nomatch flag support added */ |
27 | /* 4 Counters support added */ |
28 | /* 5 Comments support added */ |
29 | /* 6 Forceadd support added */ |
30 | /* 7 skbinfo support added */ |
31 | #define IPSET_TYPE_REV_MAX 8 /* bucketsize, initval support added */ |
32 | |
33 | MODULE_LICENSE("GPL" ); |
34 | MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>" ); |
35 | IP_SET_MODULE_DESC("hash:ip,port,net" , IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); |
36 | MODULE_ALIAS("ip_set_hash:ip,port,net" ); |
37 | |
38 | /* Type specific function prefix */ |
39 | #define HTYPE hash_ipportnet |
40 | |
41 | /* We squeeze the "nomatch" flag into cidr: we don't support cidr == 0 |
42 | * However this way we have to store internally cidr - 1, |
43 | * dancing back and forth. |
44 | */ |
45 | #define IP_SET_HASH_WITH_NETS_PACKED |
46 | #define IP_SET_HASH_WITH_PROTO |
47 | #define IP_SET_HASH_WITH_NETS |
48 | |
49 | /* IPv4 variant */ |
50 | |
51 | /* Member elements */ |
52 | struct hash_ipportnet4_elem { |
53 | __be32 ip; |
54 | __be32 ip2; |
55 | __be16 port; |
56 | u8 cidr:7; |
57 | u8 nomatch:1; |
58 | u8 proto; |
59 | }; |
60 | |
61 | /* Common functions */ |
62 | |
63 | static bool |
64 | hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1, |
65 | const struct hash_ipportnet4_elem *ip2, |
66 | u32 *multi) |
67 | { |
68 | return ip1->ip == ip2->ip && |
69 | ip1->ip2 == ip2->ip2 && |
70 | ip1->cidr == ip2->cidr && |
71 | ip1->port == ip2->port && |
72 | ip1->proto == ip2->proto; |
73 | } |
74 | |
75 | static int |
76 | hash_ipportnet4_do_data_match(const struct hash_ipportnet4_elem *elem) |
77 | { |
78 | return elem->nomatch ? -ENOTEMPTY : 1; |
79 | } |
80 | |
81 | static void |
82 | hash_ipportnet4_data_set_flags(struct hash_ipportnet4_elem *elem, u32 flags) |
83 | { |
84 | elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH); |
85 | } |
86 | |
87 | static void |
88 | hash_ipportnet4_data_reset_flags(struct hash_ipportnet4_elem *elem, u8 *flags) |
89 | { |
90 | swap(*flags, elem->nomatch); |
91 | } |
92 | |
93 | static void |
94 | hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr) |
95 | { |
96 | elem->ip2 &= ip_set_netmask(pfxlen: cidr); |
97 | elem->cidr = cidr - 1; |
98 | } |
99 | |
100 | static bool |
101 | hash_ipportnet4_data_list(struct sk_buff *skb, |
102 | const struct hash_ipportnet4_elem *data) |
103 | { |
104 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
105 | |
106 | if (nla_put_ipaddr4(skb, type: IPSET_ATTR_IP, ipaddr: data->ip) || |
107 | nla_put_ipaddr4(skb, type: IPSET_ATTR_IP2, ipaddr: data->ip2) || |
108 | nla_put_net16(skb, attrtype: IPSET_ATTR_PORT, value: data->port) || |
109 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR2, value: data->cidr + 1) || |
110 | nla_put_u8(skb, attrtype: IPSET_ATTR_PROTO, value: data->proto) || |
111 | (flags && |
112 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
113 | goto nla_put_failure; |
114 | return false; |
115 | |
116 | nla_put_failure: |
117 | return true; |
118 | } |
119 | |
120 | static void |
121 | hash_ipportnet4_data_next(struct hash_ipportnet4_elem *next, |
122 | const struct hash_ipportnet4_elem *d) |
123 | { |
124 | next->ip = d->ip; |
125 | next->port = d->port; |
126 | next->ip2 = d->ip2; |
127 | } |
128 | |
129 | #define MTYPE hash_ipportnet4 |
130 | #define HOST_MASK 32 |
131 | #include "ip_set_hash_gen.h" |
132 | |
133 | static int |
134 | hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, |
135 | const struct xt_action_param *par, |
136 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
137 | { |
138 | const struct hash_ipportnet4 *h = set->data; |
139 | ipset_adtfn adtfn = set->variant->adt[adt]; |
140 | struct hash_ipportnet4_elem e = { |
141 | .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), |
142 | }; |
143 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
144 | |
145 | if (adt == IPSET_TEST) |
146 | e.cidr = HOST_MASK - 1; |
147 | |
148 | if (!ip_set_get_ip4_port(skb, src: opt->flags & IPSET_DIM_TWO_SRC, |
149 | port: &e.port, proto: &e.proto)) |
150 | return -EINVAL; |
151 | |
152 | ip4addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip); |
153 | ip4addrptr(skb, src: opt->flags & IPSET_DIM_THREE_SRC, addr: &e.ip2); |
154 | e.ip2 &= ip_set_netmask(pfxlen: e.cidr + 1); |
155 | |
156 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
157 | } |
158 | |
159 | static int |
160 | hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], |
161 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
162 | { |
163 | struct hash_ipportnet4 *h = set->data; |
164 | ipset_adtfn adtfn = set->variant->adt[adt]; |
165 | struct hash_ipportnet4_elem e = { .cidr = HOST_MASK - 1 }; |
166 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
167 | u32 ip = 0, ip_to = 0, p = 0, port, port_to; |
168 | u32 ip2_from = 0, ip2_to = 0, ip2, i = 0; |
169 | bool with_ports = false; |
170 | u8 cidr; |
171 | int ret; |
172 | |
173 | if (tb[IPSET_ATTR_LINENO]) |
174 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
175 | |
176 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
177 | !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || |
178 | !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || |
179 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
180 | return -IPSET_ERR_PROTOCOL; |
181 | |
182 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP], ipaddr: &ip); |
183 | if (ret) |
184 | return ret; |
185 | |
186 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
187 | if (ret) |
188 | return ret; |
189 | |
190 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP2], ipaddr: &ip2_from); |
191 | if (ret) |
192 | return ret; |
193 | |
194 | if (tb[IPSET_ATTR_CIDR2]) { |
195 | cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR2]); |
196 | if (!cidr || cidr > HOST_MASK) |
197 | return -IPSET_ERR_INVALID_CIDR; |
198 | e.cidr = cidr - 1; |
199 | } |
200 | |
201 | e.port = nla_get_be16(nla: tb[IPSET_ATTR_PORT]); |
202 | |
203 | if (tb[IPSET_ATTR_PROTO]) { |
204 | e.proto = nla_get_u8(nla: tb[IPSET_ATTR_PROTO]); |
205 | with_ports = ip_set_proto_with_ports(proto: e.proto); |
206 | |
207 | if (e.proto == 0) |
208 | return -IPSET_ERR_INVALID_PROTO; |
209 | } else { |
210 | return -IPSET_ERR_MISSING_PROTO; |
211 | } |
212 | |
213 | if (!(with_ports || e.proto == IPPROTO_ICMP)) |
214 | e.port = 0; |
215 | |
216 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
217 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
218 | |
219 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
220 | flags |= (IPSET_FLAG_NOMATCH << 16); |
221 | } |
222 | |
223 | with_ports = with_ports && tb[IPSET_ATTR_PORT_TO]; |
224 | if (adt == IPSET_TEST || |
225 | !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports || |
226 | tb[IPSET_ATTR_IP2_TO])) { |
227 | e.ip = htonl(ip); |
228 | e.ip2 = htonl(ip2_from & ip_set_hostmask(e.cidr + 1)); |
229 | ret = adtfn(set, &e, &ext, &ext, flags); |
230 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
231 | ip_set_eexist(ret, flags) ? 0 : ret; |
232 | } |
233 | |
234 | ip_to = ip; |
235 | if (tb[IPSET_ATTR_IP_TO]) { |
236 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP_TO], ipaddr: &ip_to); |
237 | if (ret) |
238 | return ret; |
239 | if (ip > ip_to) |
240 | swap(ip, ip_to); |
241 | } else if (tb[IPSET_ATTR_CIDR]) { |
242 | cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
243 | |
244 | if (!cidr || cidr > HOST_MASK) |
245 | return -IPSET_ERR_INVALID_CIDR; |
246 | ip_set_mask_from_to(ip, ip_to, cidr); |
247 | } |
248 | |
249 | port_to = port = ntohs(e.port); |
250 | if (tb[IPSET_ATTR_PORT_TO]) { |
251 | port_to = ip_set_get_h16(attr: tb[IPSET_ATTR_PORT_TO]); |
252 | if (port > port_to) |
253 | swap(port, port_to); |
254 | } |
255 | |
256 | ip2_to = ip2_from; |
257 | if (tb[IPSET_ATTR_IP2_TO]) { |
258 | ret = ip_set_get_hostipaddr4(nla: tb[IPSET_ATTR_IP2_TO], ipaddr: &ip2_to); |
259 | if (ret) |
260 | return ret; |
261 | if (ip2_from > ip2_to) |
262 | swap(ip2_from, ip2_to); |
263 | if (ip2_from + UINT_MAX == ip2_to) |
264 | return -IPSET_ERR_HASH_RANGE; |
265 | } else { |
266 | ip_set_mask_from_to(ip2_from, ip2_to, e.cidr + 1); |
267 | } |
268 | |
269 | if (retried) { |
270 | ip = ntohl(h->next.ip); |
271 | p = ntohs(h->next.port); |
272 | ip2 = ntohl(h->next.ip2); |
273 | } else { |
274 | p = port; |
275 | ip2 = ip2_from; |
276 | } |
277 | for (; ip <= ip_to; ip++) { |
278 | e.ip = htonl(ip); |
279 | for (; p <= port_to; p++) { |
280 | e.port = htons(p); |
281 | do { |
282 | i++; |
283 | e.ip2 = htonl(ip2); |
284 | ip2 = ip_set_range_to_cidr(from: ip2, to: ip2_to, cidr: &cidr); |
285 | e.cidr = cidr - 1; |
286 | if (i > IPSET_MAX_RANGE) { |
287 | hash_ipportnet4_data_next(next: &h->next, |
288 | d: &e); |
289 | return -ERANGE; |
290 | } |
291 | ret = adtfn(set, &e, &ext, &ext, flags); |
292 | |
293 | if (ret && !ip_set_eexist(ret, flags)) |
294 | return ret; |
295 | |
296 | ret = 0; |
297 | } while (ip2++ < ip2_to); |
298 | ip2 = ip2_from; |
299 | } |
300 | p = port; |
301 | } |
302 | return ret; |
303 | } |
304 | |
305 | /* IPv6 variant */ |
306 | |
307 | struct hash_ipportnet6_elem { |
308 | union nf_inet_addr ip; |
309 | union nf_inet_addr ip2; |
310 | __be16 port; |
311 | u8 cidr:7; |
312 | u8 nomatch:1; |
313 | u8 proto; |
314 | }; |
315 | |
316 | /* Common functions */ |
317 | |
318 | static bool |
319 | hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1, |
320 | const struct hash_ipportnet6_elem *ip2, |
321 | u32 *multi) |
322 | { |
323 | return ipv6_addr_equal(a1: &ip1->ip.in6, a2: &ip2->ip.in6) && |
324 | ipv6_addr_equal(a1: &ip1->ip2.in6, a2: &ip2->ip2.in6) && |
325 | ip1->cidr == ip2->cidr && |
326 | ip1->port == ip2->port && |
327 | ip1->proto == ip2->proto; |
328 | } |
329 | |
330 | static int |
331 | hash_ipportnet6_do_data_match(const struct hash_ipportnet6_elem *elem) |
332 | { |
333 | return elem->nomatch ? -ENOTEMPTY : 1; |
334 | } |
335 | |
336 | static void |
337 | hash_ipportnet6_data_set_flags(struct hash_ipportnet6_elem *elem, u32 flags) |
338 | { |
339 | elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH); |
340 | } |
341 | |
342 | static void |
343 | hash_ipportnet6_data_reset_flags(struct hash_ipportnet6_elem *elem, u8 *flags) |
344 | { |
345 | swap(*flags, elem->nomatch); |
346 | } |
347 | |
348 | static void |
349 | hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr) |
350 | { |
351 | ip6_netmask(ip: &elem->ip2, prefix: cidr); |
352 | elem->cidr = cidr - 1; |
353 | } |
354 | |
355 | static bool |
356 | hash_ipportnet6_data_list(struct sk_buff *skb, |
357 | const struct hash_ipportnet6_elem *data) |
358 | { |
359 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
360 | |
361 | if (nla_put_ipaddr6(skb, type: IPSET_ATTR_IP, ipaddrptr: &data->ip.in6) || |
362 | nla_put_ipaddr6(skb, type: IPSET_ATTR_IP2, ipaddrptr: &data->ip2.in6) || |
363 | nla_put_net16(skb, attrtype: IPSET_ATTR_PORT, value: data->port) || |
364 | nla_put_u8(skb, attrtype: IPSET_ATTR_CIDR2, value: data->cidr + 1) || |
365 | nla_put_u8(skb, attrtype: IPSET_ATTR_PROTO, value: data->proto) || |
366 | (flags && |
367 | nla_put_net32(skb, attrtype: IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
368 | goto nla_put_failure; |
369 | return false; |
370 | |
371 | nla_put_failure: |
372 | return true; |
373 | } |
374 | |
375 | static void |
376 | hash_ipportnet6_data_next(struct hash_ipportnet6_elem *next, |
377 | const struct hash_ipportnet6_elem *d) |
378 | { |
379 | next->port = d->port; |
380 | } |
381 | |
382 | #undef MTYPE |
383 | #undef HOST_MASK |
384 | |
385 | #define MTYPE hash_ipportnet6 |
386 | #define HOST_MASK 128 |
387 | #define IP_SET_EMIT_CREATE |
388 | #include "ip_set_hash_gen.h" |
389 | |
390 | static int |
391 | hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, |
392 | const struct xt_action_param *par, |
393 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
394 | { |
395 | const struct hash_ipportnet6 *h = set->data; |
396 | ipset_adtfn adtfn = set->variant->adt[adt]; |
397 | struct hash_ipportnet6_elem e = { |
398 | .cidr = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), |
399 | }; |
400 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
401 | |
402 | if (adt == IPSET_TEST) |
403 | e.cidr = HOST_MASK - 1; |
404 | |
405 | if (!ip_set_get_ip6_port(skb, src: opt->flags & IPSET_DIM_TWO_SRC, |
406 | port: &e.port, proto: &e.proto)) |
407 | return -EINVAL; |
408 | |
409 | ip6addrptr(skb, src: opt->flags & IPSET_DIM_ONE_SRC, addr: &e.ip.in6); |
410 | ip6addrptr(skb, src: opt->flags & IPSET_DIM_THREE_SRC, addr: &e.ip2.in6); |
411 | ip6_netmask(ip: &e.ip2, prefix: e.cidr + 1); |
412 | |
413 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
414 | } |
415 | |
416 | static int |
417 | hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[], |
418 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
419 | { |
420 | const struct hash_ipportnet6 *h = set->data; |
421 | ipset_adtfn adtfn = set->variant->adt[adt]; |
422 | struct hash_ipportnet6_elem e = { .cidr = HOST_MASK - 1 }; |
423 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
424 | u32 port, port_to; |
425 | bool with_ports = false; |
426 | u8 cidr; |
427 | int ret; |
428 | |
429 | if (tb[IPSET_ATTR_LINENO]) |
430 | *lineno = nla_get_u32(nla: tb[IPSET_ATTR_LINENO]); |
431 | |
432 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
433 | !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || |
434 | !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || |
435 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
436 | return -IPSET_ERR_PROTOCOL; |
437 | if (unlikely(tb[IPSET_ATTR_IP_TO])) |
438 | return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; |
439 | if (unlikely(tb[IPSET_ATTR_CIDR])) { |
440 | cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR]); |
441 | |
442 | if (cidr != HOST_MASK) |
443 | return -IPSET_ERR_INVALID_CIDR; |
444 | } |
445 | |
446 | ret = ip_set_get_ipaddr6(nla: tb[IPSET_ATTR_IP], ipaddr: &e.ip); |
447 | if (ret) |
448 | return ret; |
449 | |
450 | ret = ip_set_get_extensions(set, tb, ext: &ext); |
451 | if (ret) |
452 | return ret; |
453 | |
454 | ret = ip_set_get_ipaddr6(nla: tb[IPSET_ATTR_IP2], ipaddr: &e.ip2); |
455 | if (ret) |
456 | return ret; |
457 | |
458 | if (tb[IPSET_ATTR_CIDR2]) { |
459 | cidr = nla_get_u8(nla: tb[IPSET_ATTR_CIDR2]); |
460 | if (!cidr || cidr > HOST_MASK) |
461 | return -IPSET_ERR_INVALID_CIDR; |
462 | e.cidr = cidr - 1; |
463 | } |
464 | |
465 | ip6_netmask(ip: &e.ip2, prefix: e.cidr + 1); |
466 | |
467 | e.port = nla_get_be16(nla: tb[IPSET_ATTR_PORT]); |
468 | |
469 | if (tb[IPSET_ATTR_PROTO]) { |
470 | e.proto = nla_get_u8(nla: tb[IPSET_ATTR_PROTO]); |
471 | with_ports = ip_set_proto_with_ports(proto: e.proto); |
472 | |
473 | if (e.proto == 0) |
474 | return -IPSET_ERR_INVALID_PROTO; |
475 | } else { |
476 | return -IPSET_ERR_MISSING_PROTO; |
477 | } |
478 | |
479 | if (!(with_ports || e.proto == IPPROTO_ICMPV6)) |
480 | e.port = 0; |
481 | |
482 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
483 | u32 cadt_flags = ip_set_get_h32(attr: tb[IPSET_ATTR_CADT_FLAGS]); |
484 | |
485 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
486 | flags |= (IPSET_FLAG_NOMATCH << 16); |
487 | } |
488 | |
489 | if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) { |
490 | ret = adtfn(set, &e, &ext, &ext, flags); |
491 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
492 | ip_set_eexist(ret, flags) ? 0 : ret; |
493 | } |
494 | |
495 | port = ntohs(e.port); |
496 | port_to = ip_set_get_h16(attr: tb[IPSET_ATTR_PORT_TO]); |
497 | if (port > port_to) |
498 | swap(port, port_to); |
499 | |
500 | if (retried) |
501 | port = ntohs(h->next.port); |
502 | for (; port <= port_to; port++) { |
503 | e.port = htons(port); |
504 | ret = adtfn(set, &e, &ext, &ext, flags); |
505 | |
506 | if (ret && !ip_set_eexist(ret, flags)) |
507 | return ret; |
508 | |
509 | ret = 0; |
510 | } |
511 | return ret; |
512 | } |
513 | |
514 | static struct ip_set_type hash_ipportnet_type __read_mostly = { |
515 | .name = "hash:ip,port,net" , |
516 | .protocol = IPSET_PROTOCOL, |
517 | .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 | |
518 | IPSET_TYPE_NOMATCH, |
519 | .dimension = IPSET_DIM_THREE, |
520 | .family = NFPROTO_UNSPEC, |
521 | .revision_min = IPSET_TYPE_REV_MIN, |
522 | .revision_max = IPSET_TYPE_REV_MAX, |
523 | .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE, |
524 | .create = hash_ipportnet_create, |
525 | .create_policy = { |
526 | [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, |
527 | [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, |
528 | [IPSET_ATTR_INITVAL] = { .type = NLA_U32 }, |
529 | [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 }, |
530 | [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, |
531 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
532 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
533 | }, |
534 | .adt_policy = { |
535 | [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
536 | [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, |
537 | [IPSET_ATTR_IP2] = { .type = NLA_NESTED }, |
538 | [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED }, |
539 | [IPSET_ATTR_PORT] = { .type = NLA_U16 }, |
540 | [IPSET_ATTR_PORT_TO] = { .type = NLA_U16 }, |
541 | [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, |
542 | [IPSET_ATTR_CIDR2] = { .type = NLA_U8 }, |
543 | [IPSET_ATTR_PROTO] = { .type = NLA_U8 }, |
544 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
545 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
546 | [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, |
547 | [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, |
548 | [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, |
549 | [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING, |
550 | .len = IPSET_MAX_COMMENT_SIZE }, |
551 | [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, |
552 | [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, |
553 | [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, |
554 | }, |
555 | .me = THIS_MODULE, |
556 | }; |
557 | |
558 | static int __init |
559 | hash_ipportnet_init(void) |
560 | { |
561 | return ip_set_type_register(set_type: &hash_ipportnet_type); |
562 | } |
563 | |
564 | static void __exit |
565 | hash_ipportnet_fini(void) |
566 | { |
567 | rcu_barrier(); |
568 | ip_set_type_unregister(set_type: &hash_ipportnet_type); |
569 | } |
570 | |
571 | module_init(hash_ipportnet_init); |
572 | module_exit(hash_ipportnet_fini); |
573 | |