/usr/include/libnfnetlink/linux_nfnetlink.h is in libnfnetlink-dev 1.0.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | #ifndef _NFNETLINK_H
#define _NFNETLINK_H
#include <linux/types.h>
#include <libnfnetlink/linux_nfnetlink_compat.h>
enum nfnetlink_groups {
NFNLGRP_NONE,
#define NFNLGRP_NONE NFNLGRP_NONE
NFNLGRP_CONNTRACK_NEW,
#define NFNLGRP_CONNTRACK_NEW NFNLGRP_CONNTRACK_NEW
NFNLGRP_CONNTRACK_UPDATE,
#define NFNLGRP_CONNTRACK_UPDATE NFNLGRP_CONNTRACK_UPDATE
NFNLGRP_CONNTRACK_DESTROY,
#define NFNLGRP_CONNTRACK_DESTROY NFNLGRP_CONNTRACK_DESTROY
NFNLGRP_CONNTRACK_EXP_NEW,
#define NFNLGRP_CONNTRACK_EXP_NEW NFNLGRP_CONNTRACK_EXP_NEW
NFNLGRP_CONNTRACK_EXP_UPDATE,
#define NFNLGRP_CONNTRACK_EXP_UPDATE NFNLGRP_CONNTRACK_EXP_UPDATE
NFNLGRP_CONNTRACK_EXP_DESTROY,
#define NFNLGRP_CONNTRACK_EXP_DESTROY NFNLGRP_CONNTRACK_EXP_DESTROY
__NFNLGRP_MAX,
};
#define NFNLGRP_MAX (__NFNLGRP_MAX - 1)
/* General form of address family dependent message.
*/
struct nfgenmsg {
u_int8_t nfgen_family; /* AF_xxx */
u_int8_t version; /* nfnetlink version */
u_int16_t res_id; /* resource id */
};
#define NFNETLINK_V0 0
/* netfilter netlink message types are split in two pieces:
* 8 bit subsystem, 8bit operation.
*/
#define NFNL_SUBSYS_ID(x) ((x & 0xff00) >> 8)
#define NFNL_MSG_TYPE(x) (x & 0x00ff)
/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
* won't work anymore */
#define NFNL_SUBSYS_NONE 0
#define NFNL_SUBSYS_CTNETLINK 1
#define NFNL_SUBSYS_CTNETLINK_EXP 2
#define NFNL_SUBSYS_QUEUE 3
#define NFNL_SUBSYS_ULOG 4
#define NFNL_SUBSYS_COUNT 5
#ifdef __KERNEL__
#include <linux/netlink.h>
#include <linux/capability.h>
#include <net/netlink.h>
struct nfnl_callback
{
int (*call)(struct sock *nl, struct sk_buff *skb,
struct nlmsghdr *nlh, struct nlattr *cda[]);
const struct nla_policy *policy; /* netlink attribute policy */
const u_int16_t attr_count; /* number of nlattr's */
};
struct nfnetlink_subsystem
{
const char *name;
__u8 subsys_id; /* nfnetlink subsystem ID */
__u8 cb_count; /* number of callbacks */
const struct nfnl_callback *cb; /* callback for individual types */
};
extern int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
extern int nfnetlink_has_listeners(unsigned int group);
extern int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group,
int echo);
extern int nfnetlink_unicast(struct sk_buff *skb, u_int32_t pid, int flags);
#define MODULE_ALIAS_NFNL_SUBSYS(subsys) \
MODULE_ALIAS("nfnetlink-subsys-" __stringify(subsys))
#endif /* __KERNEL__ */
#endif /* _NFNETLINK_H */
|