dist/pf/sbin/pflogd/pflogd.h

   1 /*      $NetBSD$        */
   2 /*      $OpenBSD: pflogd.h,v 1.3 2006/01/15 16:38:04 canacar 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 #ifdef __OpenBSD__
  21 #include <sys/limits.h>
  22 #else
  23 #include <limits.h>
  24 #endif
  25 #include <pcap.h>
  26
  27 #define DEF_SNAPLEN 116         /* default plus allow for larger header of pflog */
  28 #define PCAP_TO_MS 500          /* pcap read timeout (ms) */
  29 #define PCAP_NUM_PKTS 1000      /* max number of packets to process at each loop */
  30 #define PCAP_OPT_FIL 1          /* filter optimization */
  31 #define FLUSH_DELAY 60          /* flush delay */
  32
  33 #define PFLOGD_LOG_FILE         "/var/log/pflog"
  34 #define PFLOGD_DEFAULT_IF       "pflog0"
  35
  36 #define PFLOGD_MAXSNAPLEN       INT_MAX
  37 #define PFLOGD_BUFSIZE          65536   /* buffer size for incoming packets */
  38
  39 void  logmsg(int priority, const char *message, ...);
  40
  41 /* Privilege separation */
  42 int     priv_init(void);
  43 int     priv_set_snaplen(int snaplen);
  44 int     priv_open_log(void);
  45 int     priv_move_log(void);
  46 pcap_t *pcap_open_live_fd(int fd, int snaplen, char *ebuf);
  47
  48 void set_pcap_filter(void);
  49 /* File descriptor send/recv */
  50 void send_fd(int, int);
  51 int  receive_fd(int);
  52
  53 extern int Debug;