xref: /dragonfly/usr.sbin/pflogd/pflogd.h (revision 49781055)
1 /*	$OpenBSD: pflogd.h,v 1.2 2004/01/15 20:15:14 canacar Exp $ */
2 /*	$DragonFly: src/usr.sbin/pflogd/pflogd.h,v 1.1 2004/09/21 21:25:28 joerg Exp $ */
3 
4 /*
5  * Copyright (c) 2003 Can Erkin Acar
6  *
7  * Permission to use, copy, modify, and distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <limits.h>
21 #include <pcap.h>
22 
23 #define DEF_SNAPLEN 116		/* default plus allow for larger header of pflog */
24 #define PCAP_TO_MS 500		/* pcap read timeout (ms) */
25 #define PCAP_NUM_PKTS 1000	/* max number of packets to process at each loop */
26 #define PCAP_OPT_FIL 1		/* filter optimization */
27 #define FLUSH_DELAY 60		/* flush delay */
28 
29 #define PFLOGD_LOG_FILE		"/var/log/pflog"
30 #define PFLOGD_DEFAULT_IF	"pflog0"
31 
32 #define PFLOGD_MAXSNAPLEN	INT_MAX
33 #define PFLOGD_BUFSIZE		65536	/* buffer size for incoming packets */
34 
35 void  logmsg(int priority, const char *message, ...);
36 
37 /* Privilege separation */
38 int	priv_init(void);
39 int	priv_set_snaplen(int snaplen);
40 int	priv_open_log(void);
41 pcap_t *pcap_open_live_fd(int fd, int snaplen, char *ebuf);
42 
43 void set_pcap_filter(void);
44 /* File descriptor send/recv */
45 void send_fd(int, int);
46 int  receive_fd(int);
47 
48 extern int Debug;
49