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36 lines
1 KiB
C
36 lines
1 KiB
C
#ifndef _NF_NAT_CORE_H
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#define _NF_NAT_CORE_H
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#include <linux/list.h>
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_nat.h>
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/* This header used to share core functionality between the standalone
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NAT module, and the compatibility layer's use of NAT for masquerading. */
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extern unsigned int nf_nat_packet(struct nf_conn *ct,
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enum ip_conntrack_info ctinfo,
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unsigned int hooknum,
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struct sk_buff *skb);
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extern int nf_nat_icmp_reply_translation(struct nf_conn *ct,
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enum ip_conntrack_info ctinfo,
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unsigned int hooknum,
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struct sk_buff *skb);
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static inline int nf_nat_initialized(struct nf_conn *ct,
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enum nf_nat_manip_type manip)
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{
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if (manip == IP_NAT_MANIP_SRC)
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return test_bit(IPS_SRC_NAT_DONE_BIT, &ct->status);
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else
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return test_bit(IPS_DST_NAT_DONE_BIT, &ct->status);
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}
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struct nlattr;
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extern int
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(*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
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enum nf_nat_manip_type manip,
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const struct nlattr *attr);
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#endif /* _NF_NAT_CORE_H */
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