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05513e9e PM |
1 | /* |
2 | * Copyright (c) 2014 Patrick McHardy <kaber@trash.net> | |
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 | #include <linux/kernel.h> | |
10 | #include <linux/init.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/netlink.h> | |
13 | #include <linux/netfilter.h> | |
14 | #include <linux/netfilter/nf_tables.h> | |
15 | #include <net/netfilter/nf_tables.h> | |
16 | #include <net/netfilter/nft_reject.h> | |
17 | ||
18 | static void nft_reject_inet_eval(const struct nft_expr *expr, | |
19 | struct nft_data data[NFT_REG_MAX + 1], | |
20 | const struct nft_pktinfo *pkt) | |
21 | { | |
22 | switch (pkt->ops->pf) { | |
23 | case NFPROTO_IPV4: | |
ce898ecb | 24 | return nft_reject_ipv4_eval(expr, data, pkt); |
05513e9e | 25 | case NFPROTO_IPV6: |
ce898ecb | 26 | return nft_reject_ipv6_eval(expr, data, pkt); |
05513e9e PM |
27 | } |
28 | } | |
29 | ||
30 | static struct nft_expr_type nft_reject_inet_type; | |
31 | static const struct nft_expr_ops nft_reject_inet_ops = { | |
32 | .type = &nft_reject_inet_type, | |
33 | .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), | |
34 | .eval = nft_reject_inet_eval, | |
35 | .init = nft_reject_init, | |
36 | .dump = nft_reject_dump, | |
37 | }; | |
38 | ||
39 | static struct nft_expr_type nft_reject_inet_type __read_mostly = { | |
40 | .family = NFPROTO_INET, | |
41 | .name = "reject", | |
42 | .ops = &nft_reject_inet_ops, | |
43 | .policy = nft_reject_policy, | |
44 | .maxattr = NFTA_REJECT_MAX, | |
45 | .owner = THIS_MODULE, | |
46 | }; | |
47 | ||
48 | static int __init nft_reject_inet_module_init(void) | |
49 | { | |
50 | return nft_register_expr(&nft_reject_inet_type); | |
51 | } | |
52 | ||
53 | static void __exit nft_reject_inet_module_exit(void) | |
54 | { | |
55 | nft_unregister_expr(&nft_reject_inet_type); | |
56 | } | |
57 | ||
58 | module_init(nft_reject_inet_module_init); | |
59 | module_exit(nft_reject_inet_module_exit); | |
60 | ||
61 | MODULE_LICENSE("GPL"); | |
62 | MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); | |
63 | MODULE_ALIAS_NFT_AF_EXPR(1, "reject"); |