usr.sbin/pflogd/pflogd.h

   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 <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
  34 void  logmsg(int priority, const char *message, ...) __printflike(2, 3);
  35
  36 /* Privilege separation */
  37 int     priv_init(void);
  38 int     priv_set_snaplen(int snaplen);
  39 int     priv_open_log(void);
  40 int     priv_move_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;