1/*	$OpenBSD: pflogd.h,v 1.3 2006/01/15 16:38:04 canacar Exp $ */
2
3/*
4 * Copyright (c) 2003 Can Erkin Acar
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/limits.h>
20#include <pcap.h>
21
22#define DEF_SNAPLEN 116		/* default plus allow for larger header of pflog */
23#define PCAP_TO_MS 500		/* pcap read timeout (ms) */
24#define PCAP_NUM_PKTS 1000	/* max number of packets to process at each loop */
25#define PCAP_OPT_FIL 1		/* filter optimization */
26#define FLUSH_DELAY 60		/* flush delay */
27
28#define PFLOGD_LOG_FILE		"/var/log/pflog"
29#define PFLOGD_DEFAULT_IF	"pflog0"
30
31#define PFLOGD_MAXSNAPLEN	INT_MAX
32#define PFLOGD_BUFSIZE		65536	/* buffer size for incoming packets */
33
34void  logmsg(int priority, const char *message, ...);
35
36/* Privilege separation */
37int	priv_init(void);
38int	priv_set_snaplen(int snaplen);
39int	priv_open_log(void);
40int	priv_move_log(void);
41pcap_t *pcap_open_live_fd(int fd, int snaplen, char *ebuf);
42
43void set_pcap_filter(void);
44/* File descriptor send/recv */
45void send_fd(int, int);
46int  receive_fd(int);
47
48extern int Debug;
49