/usr/include/libnetfilter_log/libipulog.h is in libnetfilter-log-dev 1.0.0-1ubuntu1.
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 | #ifndef _LIBIPULOG_H
#define _LIBIPULOG_H
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
/* FIXME: glibc sucks */
#ifndef MSG_TRUNC
#define MSG_TRUNC 0x20
#endif
#define ULOG_MAC_LEN 80
#define ULOG_PREFIX_LEN 32
#define ULOG_IFNAMSIZ 16
/* Format of the ULOG packets passed through netlink */
typedef struct ulog_packet_msg {
unsigned long mark;
long timestamp_sec;
long timestamp_usec;
unsigned int hook;
char indev_name[ULOG_IFNAMSIZ];
char outdev_name[ULOG_IFNAMSIZ];
size_t data_len;
char prefix[ULOG_PREFIX_LEN];
unsigned char mac_len;
unsigned char mac[ULOG_MAC_LEN];
unsigned char payload[0];
} ulog_packet_msg_t;
struct ipulog_handle;
extern int ipulog_errno;
u_int32_t ipulog_group2gmask(u_int32_t group);
struct ipulog_handle *ipulog_create_handle(u_int32_t gmask, u_int32_t rmem);
void ipulog_destroy_handle(struct ipulog_handle *h);
ssize_t ipulog_read(struct ipulog_handle *h,
unsigned char *buf, size_t len, int timeout);
ulog_packet_msg_t *ipulog_get_packet(struct ipulog_handle *h,
const unsigned char *buf,
size_t len);
char *ipulog_strerror(int errcode);
void ipulog_perror(const char *s);
enum
{
IPULOG_ERR_NONE = 0,
IPULOG_ERR_IMPL,
IPULOG_ERR_HANDLE,
IPULOG_ERR_SOCKET,
IPULOG_ERR_BIND,
IPULOG_ERR_RECVBUF,
IPULOG_ERR_RECV,
IPULOG_ERR_NLEOF,
IPULOG_ERR_TRUNC,
IPULOG_ERR_INVGR,
IPULOG_ERR_INVNL,
};
#define IPULOG_MAXERR IPULOG_ERR_INVNL
#endif /* _LIBIPULOG_H */
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