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61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
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/*
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* (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org>
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* (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
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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 (or any later at your option).
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*/
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#include <linux/types.h>
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#include <linux/netfilter.h>
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#include <linux/skbuff.h>
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#include <linux/vmalloc.h>
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#include <linux/stddef.h>
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#include <linux/err.h>
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#include <linux/percpu.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <linux/slab.h>
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#include <linux/export.h>
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_conntrack_core.h>
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#include <net/netfilter/nf_conntrack_extend.h>
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#include <net/netfilter/nf_conntrack_timeout.h>
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struct ctnl_timeout *
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(*nf_ct_timeout_find_get_hook)(const char *name) __read_mostly;
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EXPORT_SYMBOL_GPL(nf_ct_timeout_find_get_hook);
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void (*nf_ct_timeout_put_hook)(struct ctnl_timeout *timeout) __read_mostly;
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EXPORT_SYMBOL_GPL(nf_ct_timeout_put_hook);
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static struct nf_ct_ext_type timeout_extend __read_mostly = {
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.len = sizeof(struct nf_conn_timeout),
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.align = __alignof__(struct nf_conn_timeout),
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.id = NF_CT_EXT_TIMEOUT,
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};
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int nf_conntrack_timeout_init(struct net *net)
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{
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int ret = 0;
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if (net_eq(net, &init_net)) {
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ret = nf_ct_extend_register(&timeout_extend);
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if (ret < 0) {
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printk(KERN_ERR "nf_ct_timeout: Unable to register "
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"timeout extension.\n");
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return ret;
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}
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}
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return 0;
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}
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void nf_conntrack_timeout_fini(struct net *net)
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{
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if (net_eq(net, &init_net))
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nf_ct_extend_unregister(&timeout_extend);
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}
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