Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 1 | /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 as |
| 5 | * published by the Free Software Foundation. |
| 6 | */ |
| 7 | |
| 8 | /* Kernel module implementing an IP set type: the hash:ip,port,net type */ |
| 9 | |
| 10 | #include <linux/jhash.h> |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/ip.h> |
| 13 | #include <linux/skbuff.h> |
| 14 | #include <linux/errno.h> |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 15 | #include <linux/random.h> |
| 16 | #include <net/ip.h> |
| 17 | #include <net/ipv6.h> |
| 18 | #include <net/netlink.h> |
| 19 | #include <net/tcp.h> |
| 20 | |
| 21 | #include <linux/netfilter.h> |
| 22 | #include <linux/netfilter/ipset/pfxlen.h> |
| 23 | #include <linux/netfilter/ipset/ip_set.h> |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 24 | #include <linux/netfilter/ipset/ip_set_getport.h> |
| 25 | #include <linux/netfilter/ipset/ip_set_hash.h> |
| 26 | |
Jozsef Kadlecsik | 35b8dcf | 2013-04-30 23:02:43 +0200 | [diff] [blame] | 27 | #define IPSET_TYPE_REV_MIN 0 |
| 28 | /* 1 SCTP and UDPLITE support added */ |
| 29 | /* 2 Range as input support for IPv4 added */ |
| 30 | /* 3 nomatch flag support added */ |
Oliver Smith | fda75c6 | 2013-09-22 20:56:31 +0200 | [diff] [blame] | 31 | /* 4 Counters support added */ |
Josh Hunt | 07cf8f5 | 2014-02-28 22:14:57 -0500 | [diff] [blame] | 32 | /* 5 Comments support added */ |
Anton Danilov | af33141 | 2014-08-28 10:11:29 +0400 | [diff] [blame] | 33 | /* 6 Forceadd support added */ |
| 34 | #define IPSET_TYPE_REV_MAX 7 /* skbinfo support added */ |
Jozsef Kadlecsik | 10111a6 | 2012-09-21 21:59:32 +0200 | [diff] [blame] | 35 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 36 | MODULE_LICENSE("GPL"); |
| 37 | MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); |
Jozsef Kadlecsik | 35b8dcf | 2013-04-30 23:02:43 +0200 | [diff] [blame] | 38 | IP_SET_MODULE_DESC("hash:ip,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 39 | MODULE_ALIAS("ip_set_hash:ip,port,net"); |
| 40 | |
| 41 | /* Type specific function prefix */ |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 42 | #define HTYPE hash_ipportnet |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 43 | |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 44 | /* We squeeze the "nomatch" flag into cidr: we don't support cidr == 0 |
| 45 | * However this way we have to store internally cidr - 1, |
| 46 | * dancing back and forth. |
| 47 | */ |
| 48 | #define IP_SET_HASH_WITH_NETS_PACKED |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 49 | #define IP_SET_HASH_WITH_PROTO |
| 50 | #define IP_SET_HASH_WITH_NETS |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 51 | |
Jozsef Kadlecsik | 03c8b23 | 2013-09-07 00:43:52 +0200 | [diff] [blame] | 52 | /* IPv4 variant */ |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 53 | |
| 54 | /* Member elements */ |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 55 | struct hash_ipportnet4_elem { |
| 56 | __be32 ip; |
| 57 | __be32 ip2; |
| 58 | __be16 port; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 59 | u8 cidr:7; |
| 60 | u8 nomatch:1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 61 | u8 proto; |
| 62 | }; |
| 63 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 64 | /* Common functions */ |
| 65 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 66 | static inline bool |
| 67 | hash_ipportnet4_data_equal(const struct hash_ipportnet4_elem *ip1, |
Jozsef Kadlecsik | 89dc79b | 2011-07-21 12:06:18 +0200 | [diff] [blame] | 68 | const struct hash_ipportnet4_elem *ip2, |
| 69 | u32 *multi) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 70 | { |
| 71 | return ip1->ip == ip2->ip && |
| 72 | ip1->ip2 == ip2->ip2 && |
| 73 | ip1->cidr == ip2->cidr && |
| 74 | ip1->port == ip2->port && |
| 75 | ip1->proto == ip2->proto; |
| 76 | } |
| 77 | |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 78 | static inline int |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 79 | hash_ipportnet4_do_data_match(const struct hash_ipportnet4_elem *elem) |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 80 | { |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 81 | return elem->nomatch ? -ENOTEMPTY : 1; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | static inline void |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 85 | hash_ipportnet4_data_set_flags(struct hash_ipportnet4_elem *elem, u32 flags) |
| 86 | { |
| 87 | elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH); |
| 88 | } |
| 89 | |
| 90 | static inline void |
| 91 | hash_ipportnet4_data_reset_flags(struct hash_ipportnet4_elem *elem, u8 *flags) |
| 92 | { |
| 93 | swap(*flags, elem->nomatch); |
| 94 | } |
| 95 | |
| 96 | static inline void |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 97 | hash_ipportnet4_data_netmask(struct hash_ipportnet4_elem *elem, u8 cidr) |
| 98 | { |
| 99 | elem->ip2 &= ip_set_netmask(cidr); |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 100 | elem->cidr = cidr - 1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 101 | } |
| 102 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 103 | static bool |
| 104 | hash_ipportnet4_data_list(struct sk_buff *skb, |
| 105 | const struct hash_ipportnet4_elem *data) |
| 106 | { |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 107 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
| 108 | |
David S. Miller | 7cf7899 | 2012-04-01 19:54:46 -0400 | [diff] [blame] | 109 | if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) || |
| 110 | nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip2) || |
| 111 | nla_put_net16(skb, IPSET_ATTR_PORT, data->port) || |
| 112 | nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr + 1) || |
| 113 | nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) || |
| 114 | (flags && |
| 115 | nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
| 116 | goto nla_put_failure; |
Sergey Popovich | 728a7e6 | 2015-05-02 19:28:15 +0200 | [diff] [blame] | 117 | return false; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 118 | |
| 119 | nla_put_failure: |
Sergey Popovich | 728a7e6 | 2015-05-02 19:28:15 +0200 | [diff] [blame] | 120 | return true; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 121 | } |
| 122 | |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 123 | static inline void |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 124 | hash_ipportnet4_data_next(struct hash_ipportnet4_elem *next, |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 125 | const struct hash_ipportnet4_elem *d) |
| 126 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 127 | next->ip = d->ip; |
| 128 | next->port = d->port; |
| 129 | next->ip2 = d->ip2; |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 130 | } |
| 131 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 132 | #define MTYPE hash_ipportnet4 |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 133 | #define HOST_MASK 32 |
| 134 | #include "ip_set_hash_gen.h" |
| 135 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 136 | static int |
| 137 | hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 138 | const struct xt_action_param *par, |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 139 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 140 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 141 | const struct hash_ipportnet *h = set->data; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 142 | ipset_adtfn adtfn = set->variant->adt[adt]; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 143 | struct hash_ipportnet4_elem e = { |
Jozsef Kadlecsik | a04d8b6 | 2013-09-30 09:05:54 +0200 | [diff] [blame] | 144 | .cidr = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK) - 1, |
Jozsef Kadlecsik | 9b03a5e | 2011-06-16 18:58:20 +0200 | [diff] [blame] | 145 | }; |
Jozsef Kadlecsik | ca134ce | 2013-09-07 00:10:07 +0200 | [diff] [blame] | 146 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 147 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 148 | if (adt == IPSET_TEST) |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 149 | e.cidr = HOST_MASK - 1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 150 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 151 | if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC, |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 152 | &e.port, &e.proto)) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 153 | return -EINVAL; |
| 154 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 155 | ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip); |
| 156 | ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip2); |
| 157 | e.ip2 &= ip_set_netmask(e.cidr + 1); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 158 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 159 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | static int |
| 163 | hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 164 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 165 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 166 | const struct hash_ipportnet *h = set->data; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 167 | ipset_adtfn adtfn = set->variant->adt[adt]; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 168 | struct hash_ipportnet4_elem e = { .cidr = HOST_MASK - 1 }; |
Jozsef Kadlecsik | ca134ce | 2013-09-07 00:10:07 +0200 | [diff] [blame] | 169 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
Jozsef Kadlecsik | 20b2fab | 2013-05-01 18:47:32 +0200 | [diff] [blame] | 170 | u32 ip = 0, ip_to = 0, p = 0, port, port_to; |
| 171 | u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2; |
Jozsef Kadlecsik | 5e0c1eb | 2011-03-20 15:33:26 +0100 | [diff] [blame] | 172 | bool with_ports = false; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 173 | u8 cidr; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 174 | int ret; |
| 175 | |
Sergey Popovich | a212e08 | 2015-06-12 21:26:43 +0200 | [diff] [blame^] | 176 | if (tb[IPSET_ATTR_LINENO]) |
| 177 | *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); |
| 178 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 179 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
| 180 | !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || |
| 181 | !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || |
Sergey Popovich | 7dd37bc | 2015-06-12 21:14:09 +0200 | [diff] [blame] | 182 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 183 | return -IPSET_ERR_PROTOCOL; |
| 184 | |
Sergey Popovich | 8e55d2e | 2015-05-02 19:28:07 +0200 | [diff] [blame] | 185 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip); |
| 186 | if (ret) |
| 187 | return ret; |
| 188 | |
| 189 | ret = ip_set_get_extensions(set, tb, &ext); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 190 | if (ret) |
| 191 | return ret; |
| 192 | |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 193 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 194 | if (ret) |
| 195 | return ret; |
| 196 | |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 197 | if (tb[IPSET_ATTR_CIDR2]) { |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 198 | cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]); |
| 199 | if (!cidr || cidr > HOST_MASK) |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 200 | return -IPSET_ERR_INVALID_CIDR; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 201 | e.cidr = cidr - 1; |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 202 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 203 | |
Sergey Popovich | d25472e | 2015-05-02 19:28:10 +0200 | [diff] [blame] | 204 | e.port = nla_get_be16(tb[IPSET_ATTR_PORT]); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 205 | |
| 206 | if (tb[IPSET_ATTR_PROTO]) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 207 | e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]); |
| 208 | with_ports = ip_set_proto_with_ports(e.proto); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 209 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 210 | if (e.proto == 0) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 211 | return -IPSET_ERR_INVALID_PROTO; |
| 212 | } else |
| 213 | return -IPSET_ERR_MISSING_PROTO; |
| 214 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 215 | if (!(with_ports || e.proto == IPPROTO_ICMP)) |
| 216 | e.port = 0; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 217 | |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 218 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 219 | u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); |
| 220 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 221 | flags |= (IPSET_FLAG_NOMATCH << 16); |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 222 | } |
| 223 | |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 224 | with_ports = with_ports && tb[IPSET_ATTR_PORT_TO]; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 225 | if (adt == IPSET_TEST || |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 226 | !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports || |
| 227 | tb[IPSET_ATTR_IP2_TO])) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 228 | e.ip = htonl(ip); |
| 229 | e.ip2 = htonl(ip2_from & ip_set_hostmask(e.cidr + 1)); |
| 230 | ret = adtfn(set, &e, &ext, &ext, flags); |
Jozsef Kadlecsik | 0f1799b | 2013-09-16 20:04:53 +0200 | [diff] [blame] | 231 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 232 | ip_set_eexist(ret, flags) ? 0 : ret; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 233 | } |
| 234 | |
Jozsef Kadlecsik | 4fe198e | 2012-11-19 06:42:21 +0000 | [diff] [blame] | 235 | ip_to = ip; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 236 | if (tb[IPSET_ATTR_IP_TO]) { |
| 237 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); |
| 238 | if (ret) |
| 239 | return ret; |
| 240 | if (ip > ip_to) |
| 241 | swap(ip, ip_to); |
| 242 | } else if (tb[IPSET_ATTR_CIDR]) { |
Jozsef Kadlecsik | b3aabd1 | 2013-04-30 18:40:43 +0200 | [diff] [blame] | 243 | cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 244 | |
Sergey Popovich | cabfd13 | 2015-05-02 19:28:11 +0200 | [diff] [blame] | 245 | if (!cidr || cidr > HOST_MASK) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 246 | return -IPSET_ERR_INVALID_CIDR; |
Jozsef Kadlecsik | e6146e8 | 2011-06-16 18:55:58 +0200 | [diff] [blame] | 247 | ip_set_mask_from_to(ip, ip_to, cidr); |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 248 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 249 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 250 | port_to = port = ntohs(e.port); |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 251 | if (tb[IPSET_ATTR_PORT_TO]) { |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 252 | port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]); |
| 253 | if (port > port_to) |
| 254 | swap(port, port_to); |
Jozsef Kadlecsik | 5e0c1eb | 2011-03-20 15:33:26 +0100 | [diff] [blame] | 255 | } |
Jozsef Kadlecsik | 4fe198e | 2012-11-19 06:42:21 +0000 | [diff] [blame] | 256 | |
| 257 | ip2_to = ip2_from; |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 258 | if (tb[IPSET_ATTR_IP2_TO]) { |
| 259 | ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to); |
| 260 | if (ret) |
| 261 | return ret; |
| 262 | if (ip2_from > ip2_to) |
| 263 | swap(ip2_from, ip2_to); |
| 264 | if (ip2_from + UINT_MAX == ip2_to) |
| 265 | return -IPSET_ERR_HASH_RANGE; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 266 | } else |
| 267 | ip_set_mask_from_to(ip2_from, ip2_to, e.cidr + 1); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 268 | |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 269 | if (retried) |
Jozsef Kadlecsik | 6e27c9b | 2012-09-21 21:44:58 +0200 | [diff] [blame] | 270 | ip = ntohl(h->next.ip); |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 271 | for (; !before(ip_to, ip); ip++) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 272 | e.ip = htonl(ip); |
Jozsef Kadlecsik | 6e27c9b | 2012-09-21 21:44:58 +0200 | [diff] [blame] | 273 | p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port) |
| 274 | : port; |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 275 | for (; p <= port_to; p++) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 276 | e.port = htons(p); |
Jozsef Kadlecsik | ca134ce | 2013-09-07 00:10:07 +0200 | [diff] [blame] | 277 | ip2 = retried && |
| 278 | ip == ntohl(h->next.ip) && |
| 279 | p == ntohs(h->next.port) |
Jozsef Kadlecsik | 6e27c9b | 2012-09-21 21:44:58 +0200 | [diff] [blame] | 280 | ? ntohl(h->next.ip2) : ip2_from; |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 281 | while (!after(ip2, ip2_to)) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 282 | e.ip2 = htonl(ip2); |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 283 | ip2_last = ip_set_range_to_cidr(ip2, ip2_to, |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 284 | &cidr); |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 285 | e.cidr = cidr - 1; |
| 286 | ret = adtfn(set, &e, &ext, &ext, flags); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 287 | |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 288 | if (ret && !ip_set_eexist(ret, flags)) |
| 289 | return ret; |
| 290 | else |
| 291 | ret = 0; |
| 292 | ip2 = ip2_last + 1; |
| 293 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 294 | } |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 295 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 296 | return ret; |
| 297 | } |
| 298 | |
Jozsef Kadlecsik | 03c8b23 | 2013-09-07 00:43:52 +0200 | [diff] [blame] | 299 | /* IPv6 variant */ |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 300 | |
| 301 | struct hash_ipportnet6_elem { |
| 302 | union nf_inet_addr ip; |
| 303 | union nf_inet_addr ip2; |
| 304 | __be16 port; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 305 | u8 cidr:7; |
| 306 | u8 nomatch:1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 307 | u8 proto; |
| 308 | }; |
| 309 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 310 | /* Common functions */ |
| 311 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 312 | static inline bool |
| 313 | hash_ipportnet6_data_equal(const struct hash_ipportnet6_elem *ip1, |
Jozsef Kadlecsik | 89dc79b | 2011-07-21 12:06:18 +0200 | [diff] [blame] | 314 | const struct hash_ipportnet6_elem *ip2, |
| 315 | u32 *multi) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 316 | { |
YOSHIFUJI Hideaki / 吉藤英明 | 29e3b16 | 2013-01-29 12:49:03 +0000 | [diff] [blame] | 317 | return ipv6_addr_equal(&ip1->ip.in6, &ip2->ip.in6) && |
| 318 | ipv6_addr_equal(&ip1->ip2.in6, &ip2->ip2.in6) && |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 319 | ip1->cidr == ip2->cidr && |
| 320 | ip1->port == ip2->port && |
| 321 | ip1->proto == ip2->proto; |
| 322 | } |
| 323 | |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 324 | static inline int |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 325 | hash_ipportnet6_do_data_match(const struct hash_ipportnet6_elem *elem) |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 326 | { |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 327 | return elem->nomatch ? -ENOTEMPTY : 1; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | static inline void |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 331 | hash_ipportnet6_data_set_flags(struct hash_ipportnet6_elem *elem, u32 flags) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 332 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 333 | elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH); |
| 334 | } |
| 335 | |
| 336 | static inline void |
| 337 | hash_ipportnet6_data_reset_flags(struct hash_ipportnet6_elem *elem, u8 *flags) |
| 338 | { |
| 339 | swap(*flags, elem->nomatch); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | static inline void |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 343 | hash_ipportnet6_data_netmask(struct hash_ipportnet6_elem *elem, u8 cidr) |
| 344 | { |
| 345 | ip6_netmask(&elem->ip2, cidr); |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 346 | elem->cidr = cidr - 1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | static bool |
| 350 | hash_ipportnet6_data_list(struct sk_buff *skb, |
| 351 | const struct hash_ipportnet6_elem *data) |
| 352 | { |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 353 | u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0; |
| 354 | |
David S. Miller | 7cf7899 | 2012-04-01 19:54:46 -0400 | [diff] [blame] | 355 | if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) || |
| 356 | nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip2.in6) || |
| 357 | nla_put_net16(skb, IPSET_ATTR_PORT, data->port) || |
| 358 | nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr + 1) || |
| 359 | nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) || |
| 360 | (flags && |
| 361 | nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) |
| 362 | goto nla_put_failure; |
Sergey Popovich | 728a7e6 | 2015-05-02 19:28:15 +0200 | [diff] [blame] | 363 | return false; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 364 | |
| 365 | nla_put_failure: |
Sergey Popovich | 728a7e6 | 2015-05-02 19:28:15 +0200 | [diff] [blame] | 366 | return true; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 367 | } |
| 368 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 369 | static inline void |
| 370 | hash_ipportnet6_data_next(struct hash_ipportnet4_elem *next, |
| 371 | const struct hash_ipportnet6_elem *d) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 372 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 373 | next->port = d->port; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 374 | } |
| 375 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 376 | #undef MTYPE |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 377 | #undef HOST_MASK |
| 378 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 379 | #define MTYPE hash_ipportnet6 |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 380 | #define HOST_MASK 128 |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 381 | #define IP_SET_EMIT_CREATE |
| 382 | #include "ip_set_hash_gen.h" |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 383 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 384 | static int |
| 385 | hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, |
Jozsef Kadlecsik | b66554c | 2011-06-16 18:56:47 +0200 | [diff] [blame] | 386 | const struct xt_action_param *par, |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 387 | enum ipset_adt adt, struct ip_set_adt_opt *opt) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 388 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 389 | const struct hash_ipportnet *h = set->data; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 390 | ipset_adtfn adtfn = set->variant->adt[adt]; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 391 | struct hash_ipportnet6_elem e = { |
Jozsef Kadlecsik | a04d8b6 | 2013-09-30 09:05:54 +0200 | [diff] [blame] | 392 | .cidr = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK) - 1, |
Jozsef Kadlecsik | 9b03a5e | 2011-06-16 18:58:20 +0200 | [diff] [blame] | 393 | }; |
Jozsef Kadlecsik | ca134ce | 2013-09-07 00:10:07 +0200 | [diff] [blame] | 394 | struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 395 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 396 | if (adt == IPSET_TEST) |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 397 | e.cidr = HOST_MASK - 1; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 398 | |
Jozsef Kadlecsik | ac8cc92 | 2011-06-16 18:42:40 +0200 | [diff] [blame] | 399 | if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC, |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 400 | &e.port, &e.proto)) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 401 | return -EINVAL; |
| 402 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 403 | ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6); |
| 404 | ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip2.in6); |
| 405 | ip6_netmask(&e.ip2, e.cidr + 1); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 406 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 407 | return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static int |
| 411 | hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[], |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 412 | enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 413 | { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 414 | const struct hash_ipportnet *h = set->data; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 415 | ipset_adtfn adtfn = set->variant->adt[adt]; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 416 | struct hash_ipportnet6_elem e = { .cidr = HOST_MASK - 1 }; |
Jozsef Kadlecsik | ca134ce | 2013-09-07 00:10:07 +0200 | [diff] [blame] | 417 | struct ip_set_ext ext = IP_SET_INIT_UEXT(set); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 418 | u32 port, port_to; |
Jozsef Kadlecsik | 5e0c1eb | 2011-03-20 15:33:26 +0100 | [diff] [blame] | 419 | bool with_ports = false; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 420 | u8 cidr; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 421 | int ret; |
| 422 | |
Sergey Popovich | a212e08 | 2015-06-12 21:26:43 +0200 | [diff] [blame^] | 423 | if (tb[IPSET_ATTR_LINENO]) |
| 424 | *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); |
| 425 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 426 | if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || |
| 427 | !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || |
| 428 | !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || |
Sergey Popovich | 2c227f2 | 2015-06-12 21:23:31 +0200 | [diff] [blame] | 429 | !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 430 | return -IPSET_ERR_PROTOCOL; |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 431 | if (unlikely(tb[IPSET_ATTR_IP_TO])) |
| 432 | return -IPSET_ERR_HASH_RANGE_UNSUPPORTED; |
Sergey Popovich | 2c227f2 | 2015-06-12 21:23:31 +0200 | [diff] [blame] | 433 | if (unlikely(tb[IPSET_ATTR_CIDR])) { |
| 434 | u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]); |
| 435 | |
| 436 | if (cidr != HOST_MASK) |
| 437 | return -IPSET_ERR_INVALID_CIDR; |
| 438 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 439 | |
Sergey Popovich | 8e55d2e | 2015-05-02 19:28:07 +0200 | [diff] [blame] | 440 | ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip); |
| 441 | if (ret) |
| 442 | return ret; |
| 443 | |
| 444 | ret = ip_set_get_extensions(set, tb, &ext); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 445 | if (ret) |
| 446 | return ret; |
| 447 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 448 | ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip2); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 449 | if (ret) |
| 450 | return ret; |
| 451 | |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 452 | if (tb[IPSET_ATTR_CIDR2]) { |
| 453 | cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]); |
| 454 | if (!cidr || cidr > HOST_MASK) |
| 455 | return -IPSET_ERR_INVALID_CIDR; |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 456 | e.cidr = cidr - 1; |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 457 | } |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 458 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 459 | ip6_netmask(&e.ip2, e.cidr + 1); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 460 | |
Sergey Popovich | d25472e | 2015-05-02 19:28:10 +0200 | [diff] [blame] | 461 | e.port = nla_get_be16(tb[IPSET_ATTR_PORT]); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 462 | |
| 463 | if (tb[IPSET_ATTR_PROTO]) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 464 | e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]); |
| 465 | with_ports = ip_set_proto_with_ports(e.proto); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 466 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 467 | if (e.proto == 0) |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 468 | return -IPSET_ERR_INVALID_PROTO; |
| 469 | } else |
| 470 | return -IPSET_ERR_MISSING_PROTO; |
| 471 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 472 | if (!(with_ports || e.proto == IPPROTO_ICMPV6)) |
| 473 | e.port = 0; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 474 | |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 475 | if (tb[IPSET_ATTR_CADT_FLAGS]) { |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 476 | u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); |
| 477 | if (cadt_flags & IPSET_FLAG_NOMATCH) |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 478 | flags |= (IPSET_FLAG_NOMATCH << 16); |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 479 | } |
| 480 | |
Jozsef Kadlecsik | 5e0c1eb | 2011-03-20 15:33:26 +0100 | [diff] [blame] | 481 | if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 482 | ret = adtfn(set, &e, &ext, &ext, flags); |
Jozsef Kadlecsik | 0f1799b | 2013-09-16 20:04:53 +0200 | [diff] [blame] | 483 | return ip_set_enomatch(ret, flags, adt, set) ? -ret : |
Jozsef Kadlecsik | 43c56e5 | 2013-04-08 21:51:25 +0200 | [diff] [blame] | 484 | ip_set_eexist(ret, flags) ? 0 : ret; |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 485 | } |
| 486 | |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 487 | port = ntohs(e.port); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 488 | port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]); |
| 489 | if (port > port_to) |
| 490 | swap(port, port_to); |
| 491 | |
Jozsef Kadlecsik | 3d14b17 | 2011-06-16 18:49:17 +0200 | [diff] [blame] | 492 | if (retried) |
Jozsef Kadlecsik | 6e27c9b | 2012-09-21 21:44:58 +0200 | [diff] [blame] | 493 | port = ntohs(h->next.port); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 494 | for (; port <= port_to; port++) { |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 495 | e.port = htons(port); |
| 496 | ret = adtfn(set, &e, &ext, &ext, flags); |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 497 | |
| 498 | if (ret && !ip_set_eexist(ret, flags)) |
| 499 | return ret; |
| 500 | else |
| 501 | ret = 0; |
| 502 | } |
| 503 | return ret; |
| 504 | } |
| 505 | |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 506 | static struct ip_set_type hash_ipportnet_type __read_mostly = { |
| 507 | .name = "hash:ip,port,net", |
| 508 | .protocol = IPSET_PROTOCOL, |
Jozsef Kadlecsik | 3e0304a | 2012-09-21 22:02:36 +0200 | [diff] [blame] | 509 | .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 | |
| 510 | IPSET_TYPE_NOMATCH, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 511 | .dimension = IPSET_DIM_THREE, |
Jan Engelhardt | c15f1c8 | 2012-02-14 00:24:10 +0100 | [diff] [blame] | 512 | .family = NFPROTO_UNSPEC, |
Jozsef Kadlecsik | 35b8dcf | 2013-04-30 23:02:43 +0200 | [diff] [blame] | 513 | .revision_min = IPSET_TYPE_REV_MIN, |
| 514 | .revision_max = IPSET_TYPE_REV_MAX, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 515 | .create = hash_ipportnet_create, |
| 516 | .create_policy = { |
| 517 | [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, |
| 518 | [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, |
| 519 | [IPSET_ATTR_PROBES] = { .type = NLA_U8 }, |
| 520 | [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, |
| 521 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
Jozsef Kadlecsik | 5d50e1d8 | 2013-04-08 22:50:55 +0200 | [diff] [blame] | 522 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 523 | }, |
| 524 | .adt_policy = { |
| 525 | [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
| 526 | [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, |
| 527 | [IPSET_ATTR_IP2] = { .type = NLA_NESTED }, |
Jozsef Kadlecsik | d0d9e0a | 2011-06-16 18:52:41 +0200 | [diff] [blame] | 528 | [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED }, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 529 | [IPSET_ATTR_PORT] = { .type = NLA_U16 }, |
| 530 | [IPSET_ATTR_PORT_TO] = { .type = NLA_U16 }, |
| 531 | [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, |
| 532 | [IPSET_ATTR_CIDR2] = { .type = NLA_U8 }, |
| 533 | [IPSET_ATTR_PROTO] = { .type = NLA_U8 }, |
Jozsef Kadlecsik | 2a7cef2 | 2012-01-14 17:16:36 +0100 | [diff] [blame] | 534 | [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 535 | [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
| 536 | [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, |
Jozsef Kadlecsik | 00d71b2 | 2013-04-08 23:11:02 +0200 | [diff] [blame] | 537 | [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, |
| 538 | [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, |
Sergey Popovich | 0372618 | 2015-05-02 19:28:16 +0200 | [diff] [blame] | 539 | [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING, |
| 540 | .len = IPSET_MAX_COMMENT_SIZE }, |
Anton Danilov | af33141 | 2014-08-28 10:11:29 +0400 | [diff] [blame] | 541 | [IPSET_ATTR_SKBMARK] = { .type = NLA_U64 }, |
| 542 | [IPSET_ATTR_SKBPRIO] = { .type = NLA_U32 }, |
| 543 | [IPSET_ATTR_SKBQUEUE] = { .type = NLA_U16 }, |
Jozsef Kadlecsik | 41d22f7 | 2011-02-01 15:51:00 +0100 | [diff] [blame] | 544 | }, |
| 545 | .me = THIS_MODULE, |
| 546 | }; |
| 547 | |
| 548 | static int __init |
| 549 | hash_ipportnet_init(void) |
| 550 | { |
| 551 | return ip_set_type_register(&hash_ipportnet_type); |
| 552 | } |
| 553 | |
| 554 | static void __exit |
| 555 | hash_ipportnet_fini(void) |
| 556 | { |
| 557 | ip_set_type_unregister(&hash_ipportnet_type); |
| 558 | } |
| 559 | |
| 560 | module_init(hash_ipportnet_init); |
| 561 | module_exit(hash_ipportnet_fini); |