99633ab29b
Register family per netnamespace to ensure that sets are only visible in its approapriate namespace. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Copyright (c) 2008 Patrick McHardy <kaber@trash.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Development of this code funded by Astaro AG (http://www.astaro.com/)
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/netfilter_bridge.h>
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#include <net/netfilter/nf_tables.h>
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static struct nft_af_info nft_af_bridge __read_mostly = {
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.family = NFPROTO_BRIDGE,
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.nhooks = NF_BR_NUMHOOKS,
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.owner = THIS_MODULE,
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};
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static int nf_tables_bridge_init_net(struct net *net)
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{
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net->nft.bridge = kmalloc(sizeof(struct nft_af_info), GFP_KERNEL);
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if (net->nft.bridge == NULL)
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return -ENOMEM;
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memcpy(net->nft.bridge, &nft_af_bridge, sizeof(nft_af_bridge));
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if (nft_register_afinfo(net, net->nft.bridge) < 0)
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goto err;
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return 0;
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err:
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kfree(net->nft.bridge);
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return -ENOMEM;
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}
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static void nf_tables_bridge_exit_net(struct net *net)
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{
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nft_unregister_afinfo(net->nft.bridge);
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kfree(net->nft.bridge);
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}
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static struct pernet_operations nf_tables_bridge_net_ops = {
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.init = nf_tables_bridge_init_net,
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.exit = nf_tables_bridge_exit_net,
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};
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static int __init nf_tables_bridge_init(void)
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{
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return register_pernet_subsys(&nf_tables_bridge_net_ops);
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}
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static void __exit nf_tables_bridge_exit(void)
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{
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return unregister_pernet_subsys(&nf_tables_bridge_net_ops);
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}
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module_init(nf_tables_bridge_init);
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module_exit(nf_tables_bridge_exit);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
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MODULE_ALIAS_NFT_FAMILY(AF_BRIDGE);
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