root/net/netfilter/ipset/ip_set_hash_netportnet.c

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DEFINITIONS

This source file includes following definitions.
  1. hash_netportnet4_data_equal
  2. hash_netportnet4_do_data_match
  3. hash_netportnet4_data_set_flags
  4. hash_netportnet4_data_reset_flags
  5. hash_netportnet4_data_reset_elem
  6. hash_netportnet4_data_netmask
  7. hash_netportnet4_data_list
  8. hash_netportnet4_data_next
  9. hash_netportnet4_init
  10. hash_netportnet4_kadt
  11. hash_netportnet4_uadt
  12. hash_netportnet6_data_equal
  13. hash_netportnet6_do_data_match
  14. hash_netportnet6_data_set_flags
  15. hash_netportnet6_data_reset_flags
  16. hash_netportnet6_data_reset_elem
  17. hash_netportnet6_data_netmask
  18. hash_netportnet6_data_list
  19. hash_netportnet6_data_next
  20. hash_netportnet6_init
  21. hash_netportnet6_kadt
  22. hash_netportnet6_uadt
  23. hash_netportnet_init
  24. hash_netportnet_fini

   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 /*                              0    Comments support added */
  25 /*                              1    Forceadd support added */
  26 #define IPSET_TYPE_REV_MAX      2 /* skbinfo support added */
  27 
  28 MODULE_LICENSE("GPL");
  29 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
  30 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
  31 MODULE_ALIAS("ip_set_hash:net,port,net");
  32 
  33 /* Type specific function prefix */
  34 #define HTYPE           hash_netportnet
  35 #define IP_SET_HASH_WITH_PROTO
  36 #define IP_SET_HASH_WITH_NETS
  37 #define IPSET_NET_COUNT 2
  38 
  39 /* IPv4 variant */
  40 
  41 /* Member elements */
  42 struct hash_netportnet4_elem {
  43         union {
  44                 __be32 ip[2];
  45                 __be64 ipcmp;
  46         };
  47         __be16 port;
  48         union {
  49                 u8 cidr[2];
  50                 u16 ccmp;
  51         };
  52         u16 padding;
  53         u8 nomatch;
  54         u8 proto;
  55 };
  56 
  57 /* Common functions */
  58 
  59 static inline bool
  60 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
  61                             const struct hash_netportnet4_elem *ip2,
  62                             u32 *multi)
  63 {
  64         return ip1->ipcmp == ip2->ipcmp &&
  65                ip1->ccmp == ip2->ccmp &&
  66                ip1->port == ip2->port &&
  67                ip1->proto == ip2->proto;
  68 }
  69 
  70 static inline int
  71 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
  72 {
  73         return elem->nomatch ? -ENOTEMPTY : 1;
  74 }
  75 
  76 static inline void
  77 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
  78 {
  79         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
  80 }
  81 
  82 static inline void
  83 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
  84 {
  85         swap(*flags, elem->nomatch);
  86 }
  87 
  88 static inline void
  89 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
  90                                  struct hash_netportnet4_elem *orig)
  91 {
  92         elem->ip[1] = orig->ip[1];
  93 }
  94 
  95 static inline void
  96 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
  97                               u8 cidr, bool inner)
  98 {
  99         if (inner) {
 100                 elem->ip[1] &= ip_set_netmask(cidr);
 101                 elem->cidr[1] = cidr;
 102         } else {
 103                 elem->ip[0] &= ip_set_netmask(cidr);
 104                 elem->cidr[0] = cidr;
 105         }
 106 }
 107 
 108 static bool
 109 hash_netportnet4_data_list(struct sk_buff *skb,
 110                            const struct hash_netportnet4_elem *data)
 111 {
 112         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 113 
 114         if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
 115             nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
 116             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 117             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 118             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 119             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 120             (flags &&
 121              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 122                 goto nla_put_failure;
 123         return false;
 124 
 125 nla_put_failure:
 126         return true;
 127 }
 128 
 129 static inline void
 130 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
 131                            const struct hash_netportnet4_elem *d)
 132 {
 133         next->ipcmp = d->ipcmp;
 134         next->port = d->port;
 135 }
 136 
 137 #define MTYPE           hash_netportnet4
 138 #define HOST_MASK       32
 139 #include "ip_set_hash_gen.h"
 140 
 141 static void
 142 hash_netportnet4_init(struct hash_netportnet4_elem *e)
 143 {
 144         e->cidr[0] = HOST_MASK;
 145         e->cidr[1] = HOST_MASK;
 146 }
 147 
 148 static int
 149 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 150                       const struct xt_action_param *par,
 151                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 152 {
 153         const struct hash_netportnet4 *h = set->data;
 154         ipset_adtfn adtfn = set->variant->adt[adt];
 155         struct hash_netportnet4_elem e = { };
 156         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 157 
 158         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 159         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 160         if (adt == IPSET_TEST)
 161                 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 162 
 163         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 164                                  &e.port, &e.proto))
 165                 return -EINVAL;
 166 
 167         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
 168         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
 169         e.ip[0] &= ip_set_netmask(e.cidr[0]);
 170         e.ip[1] &= ip_set_netmask(e.cidr[1]);
 171 
 172         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 173 }
 174 
 175 static int
 176 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 177                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 178 {
 179         const struct hash_netportnet4 *h = set->data;
 180         ipset_adtfn adtfn = set->variant->adt[adt];
 181         struct hash_netportnet4_elem e = { };
 182         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 183         u32 ip = 0, ip_to = 0, p = 0, port, port_to;
 184         u32 ip2_from = 0, ip2_to = 0, ip2;
 185         bool with_ports = false;
 186         int ret;
 187 
 188         if (tb[IPSET_ATTR_LINENO])
 189                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 190 
 191         hash_netportnet4_init(&e);
 192         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 193                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 194                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 195                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 196                 return -IPSET_ERR_PROTOCOL;
 197 
 198         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
 199         if (ret)
 200                 return ret;
 201 
 202         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
 203         if (ret)
 204                 return ret;
 205 
 206         ret = ip_set_get_extensions(set, tb, &ext);
 207         if (ret)
 208                 return ret;
 209 
 210         if (tb[IPSET_ATTR_CIDR]) {
 211                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 212                 if (e.cidr[0] > HOST_MASK)
 213                         return -IPSET_ERR_INVALID_CIDR;
 214         }
 215 
 216         if (tb[IPSET_ATTR_CIDR2]) {
 217                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 218                 if (e.cidr[1] > HOST_MASK)
 219                         return -IPSET_ERR_INVALID_CIDR;
 220         }
 221 
 222         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 223 
 224         if (tb[IPSET_ATTR_PROTO]) {
 225                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 226                 with_ports = ip_set_proto_with_ports(e.proto);
 227 
 228                 if (e.proto == 0)
 229                         return -IPSET_ERR_INVALID_PROTO;
 230         } else {
 231                 return -IPSET_ERR_MISSING_PROTO;
 232         }
 233 
 234         if (!(with_ports || e.proto == IPPROTO_ICMP))
 235                 e.port = 0;
 236 
 237         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 238                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 239 
 240                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 241                         flags |= (IPSET_FLAG_NOMATCH << 16);
 242         }
 243 
 244         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
 245         if (adt == IPSET_TEST ||
 246             !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
 247                 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
 248                 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
 249                 ret = adtfn(set, &e, &ext, &ext, flags);
 250                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 251                        ip_set_eexist(ret, flags) ? 0 : ret;
 252         }
 253 
 254         ip_to = ip;
 255         if (tb[IPSET_ATTR_IP_TO]) {
 256                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 257                 if (ret)
 258                         return ret;
 259                 if (ip > ip_to)
 260                         swap(ip, ip_to);
 261                 if (unlikely(ip + UINT_MAX == ip_to))
 262                         return -IPSET_ERR_HASH_RANGE;
 263         } else {
 264                 ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
 265         }
 266 
 267         port_to = port = ntohs(e.port);
 268         if (tb[IPSET_ATTR_PORT_TO]) {
 269                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 270                 if (port > port_to)
 271                         swap(port, port_to);
 272         }
 273 
 274         ip2_to = ip2_from;
 275         if (tb[IPSET_ATTR_IP2_TO]) {
 276                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
 277                 if (ret)
 278                         return ret;
 279                 if (ip2_from > ip2_to)
 280                         swap(ip2_from, ip2_to);
 281                 if (unlikely(ip2_from + UINT_MAX == ip2_to))
 282                         return -IPSET_ERR_HASH_RANGE;
 283         } else {
 284                 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
 285         }
 286 
 287         if (retried) {
 288                 ip = ntohl(h->next.ip[0]);
 289                 p = ntohs(h->next.port);
 290                 ip2 = ntohl(h->next.ip[1]);
 291         } else {
 292                 p = port;
 293                 ip2 = ip2_from;
 294         }
 295 
 296         do {
 297                 e.ip[0] = htonl(ip);
 298                 ip = ip_set_range_to_cidr(ip, ip_to, &e.cidr[0]);
 299                 for (; p <= port_to; p++) {
 300                         e.port = htons(p);
 301                         do {
 302                                 e.ip[1] = htonl(ip2);
 303                                 ip2 = ip_set_range_to_cidr(ip2, ip2_to,
 304                                                            &e.cidr[1]);
 305                                 ret = adtfn(set, &e, &ext, &ext, flags);
 306                                 if (ret && !ip_set_eexist(ret, flags))
 307                                         return ret;
 308 
 309                                 ret = 0;
 310                         } while (ip2++ < ip2_to);
 311                         ip2 = ip2_from;
 312                 }
 313                 p = port;
 314         } while (ip++ < ip_to);
 315         return ret;
 316 }
 317 
 318 /* IPv6 variant */
 319 
 320 struct hash_netportnet6_elem {
 321         union nf_inet_addr ip[2];
 322         __be16 port;
 323         union {
 324                 u8 cidr[2];
 325                 u16 ccmp;
 326         };
 327         u16 padding;
 328         u8 nomatch;
 329         u8 proto;
 330 };
 331 
 332 /* Common functions */
 333 
 334 static inline bool
 335 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
 336                             const struct hash_netportnet6_elem *ip2,
 337                             u32 *multi)
 338 {
 339         return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
 340                ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
 341                ip1->ccmp == ip2->ccmp &&
 342                ip1->port == ip2->port &&
 343                ip1->proto == ip2->proto;
 344 }
 345 
 346 static inline int
 347 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
 348 {
 349         return elem->nomatch ? -ENOTEMPTY : 1;
 350 }
 351 
 352 static inline void
 353 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
 354 {
 355         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 356 }
 357 
 358 static inline void
 359 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
 360 {
 361         swap(*flags, elem->nomatch);
 362 }
 363 
 364 static inline void
 365 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
 366                                  struct hash_netportnet6_elem *orig)
 367 {
 368         elem->ip[1] = orig->ip[1];
 369 }
 370 
 371 static inline void
 372 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
 373                               u8 cidr, bool inner)
 374 {
 375         if (inner) {
 376                 ip6_netmask(&elem->ip[1], cidr);
 377                 elem->cidr[1] = cidr;
 378         } else {
 379                 ip6_netmask(&elem->ip[0], cidr);
 380                 elem->cidr[0] = cidr;
 381         }
 382 }
 383 
 384 static bool
 385 hash_netportnet6_data_list(struct sk_buff *skb,
 386                            const struct hash_netportnet6_elem *data)
 387 {
 388         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 389 
 390         if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
 391             nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
 392             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 393             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 394             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 395             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 396             (flags &&
 397              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 398                 goto nla_put_failure;
 399         return false;
 400 
 401 nla_put_failure:
 402         return true;
 403 }
 404 
 405 static inline void
 406 hash_netportnet6_data_next(struct hash_netportnet6_elem *next,
 407                            const struct hash_netportnet6_elem *d)
 408 {
 409         next->port = d->port;
 410 }
 411 
 412 #undef MTYPE
 413 #undef HOST_MASK
 414 
 415 #define MTYPE           hash_netportnet6
 416 #define HOST_MASK       128
 417 #define IP_SET_EMIT_CREATE
 418 #include "ip_set_hash_gen.h"
 419 
 420 static void
 421 hash_netportnet6_init(struct hash_netportnet6_elem *e)
 422 {
 423         e->cidr[0] = HOST_MASK;
 424         e->cidr[1] = HOST_MASK;
 425 }
 426 
 427 static int
 428 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 429                       const struct xt_action_param *par,
 430                       enum ipset_adt adt, struct ip_set_adt_opt *opt)
 431 {
 432         const struct hash_netportnet6 *h = set->data;
 433         ipset_adtfn adtfn = set->variant->adt[adt];
 434         struct hash_netportnet6_elem e = { };
 435         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 436 
 437         e.cidr[0] = INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 438         e.cidr[1] = INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 439         if (adt == IPSET_TEST)
 440                 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 441 
 442         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 443                                  &e.port, &e.proto))
 444                 return -EINVAL;
 445 
 446         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
 447         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
 448         ip6_netmask(&e.ip[0], e.cidr[0]);
 449         ip6_netmask(&e.ip[1], e.cidr[1]);
 450 
 451         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 452 }
 453 
 454 static int
 455 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 456                       enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 457 {
 458         const struct hash_netportnet6 *h = set->data;
 459         ipset_adtfn adtfn = set->variant->adt[adt];
 460         struct hash_netportnet6_elem e = { };
 461         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 462         u32 port, port_to;
 463         bool with_ports = false;
 464         int ret;
 465 
 466         if (tb[IPSET_ATTR_LINENO])
 467                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 468 
 469         hash_netportnet6_init(&e);
 470         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 471                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 472                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 473                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
 474                 return -IPSET_ERR_PROTOCOL;
 475         if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
 476                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 477 
 478         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]);
 479         if (ret)
 480                 return ret;
 481 
 482         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]);
 483         if (ret)
 484                 return ret;
 485 
 486         ret = ip_set_get_extensions(set, tb, &ext);
 487         if (ret)
 488                 return ret;
 489 
 490         if (tb[IPSET_ATTR_CIDR]) {
 491                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 492                 if (e.cidr[0] > HOST_MASK)
 493                         return -IPSET_ERR_INVALID_CIDR;
 494         }
 495 
 496         if (tb[IPSET_ATTR_CIDR2]) {
 497                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 498                 if (e.cidr[1] > HOST_MASK)
 499                         return -IPSET_ERR_INVALID_CIDR;
 500         }
 501 
 502         ip6_netmask(&e.ip[0], e.cidr[0]);
 503         ip6_netmask(&e.ip[1], e.cidr[1]);
 504 
 505         e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 506 
 507         if (tb[IPSET_ATTR_PROTO]) {
 508                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 509                 with_ports = ip_set_proto_with_ports(e.proto);
 510 
 511                 if (e.proto == 0)
 512                         return -IPSET_ERR_INVALID_PROTO;
 513         } else {
 514                 return -IPSET_ERR_MISSING_PROTO;
 515         }
 516 
 517         if (!(with_ports || e.proto == IPPROTO_ICMPV6))
 518                 e.port = 0;
 519 
 520         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 521                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 522 
 523                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 524                         flags |= (IPSET_FLAG_NOMATCH << 16);
 525         }
 526 
 527         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 528                 ret = adtfn(set, &e, &ext, &ext, flags);
 529                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 530                        ip_set_eexist(ret, flags) ? 0 : ret;
 531         }
 532 
 533         port = ntohs(e.port);
 534         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 535         if (port > port_to)
 536                 swap(port, port_to);
 537 
 538         if (retried)
 539                 port = ntohs(h->next.port);
 540         for (; port <= port_to; port++) {
 541                 e.port = htons(port);
 542                 ret = adtfn(set, &e, &ext, &ext, flags);
 543 
 544                 if (ret && !ip_set_eexist(ret, flags))
 545                         return ret;
 546 
 547                 ret = 0;
 548         }
 549         return ret;
 550 }
 551 
 552 static struct ip_set_type hash_netportnet_type __read_mostly = {
 553         .name           = "hash:net,port,net",
 554         .protocol       = IPSET_PROTOCOL,
 555         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
 556                           IPSET_TYPE_NOMATCH,
 557         .dimension      = IPSET_DIM_THREE,
 558         .family         = NFPROTO_UNSPEC,
 559         .revision_min   = IPSET_TYPE_REV_MIN,
 560         .revision_max   = IPSET_TYPE_REV_MAX,
 561         .create         = hash_netportnet_create,
 562         .create_policy  = {
 563                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 564                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 565                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
 566                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 567                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 568                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 569         },
 570         .adt_policy     = {
 571                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 572                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 573                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 574                 [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
 575                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 576                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 577                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 578                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 579                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 580                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 581                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 582                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 583                 [IPSET_ATTR_BYTES]      = { .type = NLA_U64 },
 584                 [IPSET_ATTR_PACKETS]    = { .type = NLA_U64 },
 585                 [IPSET_ATTR_COMMENT]    = { .type = NLA_NUL_STRING,
 586                                             .len  = IPSET_MAX_COMMENT_SIZE },
 587                 [IPSET_ATTR_SKBMARK]    = { .type = NLA_U64 },
 588                 [IPSET_ATTR_SKBPRIO]    = { .type = NLA_U32 },
 589                 [IPSET_ATTR_SKBQUEUE]   = { .type = NLA_U16 },
 590         },
 591         .me             = THIS_MODULE,
 592 };
 593 
 594 static int __init
 595 hash_netportnet_init(void)
 596 {
 597         return ip_set_type_register(&hash_netportnet_type);
 598 }
 599 
 600 static void __exit
 601 hash_netportnet_fini(void)
 602 {
 603         rcu_barrier();
 604         ip_set_type_unregister(&hash_netportnet_type);
 605 }
 606 
 607 module_init(hash_netportnet_init);
 608 module_exit(hash_netportnet_fini);

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