Home | History | Annotate | Line # | Download | only in pflogd
pflogd.h revision 1.2 
      1 /*	$OpenBSD: pflogd.h,v 1.2 2004/01/15 20:15:14 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 #ifdef __OpenBSD__
     20 #include <sys/limits.h>
     21 #else
     22 #include <limits.h>
     23 #endif
     24 #include <pcap.h>
     25 
     26 #define DEF_SNAPLEN 116		/* default plus allow for larger header of pflog */
     27 #define PCAP_TO_MS 500		/* pcap read timeout (ms) */
     28 #define PCAP_NUM_PKTS 1000	/* max number of packets to process at each loop */
     29 #define PCAP_OPT_FIL 1		/* filter optimization */
     30 #define FLUSH_DELAY 60		/* flush delay */
     31 
     32 #define PFLOGD_LOG_FILE		"/var/log/pflog"
     33 #define PFLOGD_DEFAULT_IF	"pflog0"
     34 
     35 #define PFLOGD_MAXSNAPLEN	INT_MAX
     36 #define PFLOGD_BUFSIZE		65536	/* buffer size for incoming packets */
     37 
     38 void  logmsg(int priority, const char *message, ...);
     39 
     40 /* Privilege separation */
     41 int	priv_init(void);
     42 int	priv_set_snaplen(int snaplen);
     43 int	priv_open_log(void);
     44 pcap_t *pcap_open_live_fd(int fd, int snaplen, char *ebuf);
     45 
     46 void set_pcap_filter(void);
     47 /* File descriptor send/recv */
     48 void send_fd(int, int);
     49 int  receive_fd(int);
     50 
     51 extern int Debug;
     52