xref: /src/dist/pf/sbin/pflogd/pflogd.h

/*	$NetBSD: pflogd.h,v 1.5 2012/02/29 23:42:28 joerg Exp $	*/
/*	$OpenBSD: pflogd.h,v 1.3 2006/01/15 16:38:04 canacar Exp $ */

/*
 * Copyright (c) 2003 Can Erkin Acar
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef __OpenBSD__
#include <sys/limits.h>
#else
#include <limits.h>
#endif
#include <pcap.h>

#define DEF_SNAPLEN 116		/* default plus allow for larger header of pflog */
#define PCAP_TO_MS 500		/* pcap read timeout (ms) */
#define PCAP_NUM_PKTS 1000	/* max number of packets to process at each loop */
#define PCAP_OPT_FIL 1		/* filter optimization */
#define FLUSH_DELAY 60		/* flush delay */

#define PFLOGD_LOG_FILE		"/var/log/pflog"
#define PFLOGD_DEFAULT_IF	"pflog0"

#define PFLOGD_MAXSNAPLEN	INT_MAX
#define PFLOGD_BUFSIZE		65536	/* buffer size for incoming packets */

void  logmsg(int priority, const char *message, ...) __printflike(2, 3);

/* Privilege separation */
int	priv_init(void);
int	priv_set_snaplen(int snaplen);
int	priv_open_log(void);
int	priv_move_log(void);
pcap_t *pcap_open_live_fd(int fd, int snaplen, char *ebuf);

void set_pcap_filter(void);
/* File descriptor send/recv */
void send_fd(int, int);
int  receive_fd(int);

extern int Debug;