pcap.h
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- /*
- * Copyright (c) 1993, 1994, 1995, 1996, 1997
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Computer Systems
- * Engineering Group at Lawrence Berkeley Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#) $Header: /usr/local/cvs/nessus-libraries/libpcap-nessus/pcap.h,v 1.3 2003/02/06 20:28:09 renaud Exp $ (LBL)
- */
- #ifndef lib_pcap_h
- #define lib_pcap_h
- #include <sys/types.h>
- #include <sys/time.h>
- #include "net/bpf.h"
- #include <stdio.h>
- #define PCAP_VERSION_MAJOR 2
- #define PCAP_VERSION_MINOR 4
- #define PCAP_ERRBUF_SIZE 256
- /*
- * Compatibility for systems that have a bpf.h that
- * predates the bpf typedefs for 64-bit support.
- */
- #if BPF_RELEASE - 0 < 199406
- typedef int bpf_int32;
- typedef u_int bpf_u_int32;
- #endif
- typedef struct pcap pcap_t;
- typedef struct pcap_dumper pcap_dumper_t;
- /*
- * The first record in the file contains saved values for some
- * of the flags used in the printout phases of tcpdump.
- * Many fields here are 32 bit ints so compilers won't insert unwanted
- * padding; these files need to be interchangeable across architectures.
- */
- struct pcap_file_header {
- bpf_u_int32 magic;
- u_short version_major;
- u_short version_minor;
- bpf_int32 thiszone; /* gmt to local correction */
- bpf_u_int32 sigfigs; /* accuracy of timestamps */
- bpf_u_int32 snaplen; /* max length saved portion of each pkt */
- bpf_u_int32 linktype; /* data link type (DLT_*) */
- };
- /*
- * Each packet in the dump file is prepended with this generic header.
- * This gets around the problem of different headers for different
- * packet interfaces.
- */
- struct pcap_pkthdr {
- struct timeval ts; /* time stamp */
- bpf_u_int32 caplen; /* length of portion present */
- bpf_u_int32 len; /* length this packet (off wire) */
- };
- /*
- * As returned by the pcap_stats()
- */
- struct pcap_stat {
- u_int ps_recv; /* number of packets received */
- u_int ps_drop; /* number of packets dropped */
- u_int ps_ifdrop; /* drops by interface XXX not yet supported */
- };
- typedef void (*pcap_handler)(u_char *, const struct pcap_pkthdr *,
- const u_char *);
- char *pcap_lookupdev(char *);
- int pcap_lookupnet(char *, bpf_u_int32 *, bpf_u_int32 *, char *);
- pcap_t *pcap_open_live(char *, int, int, int, char *);
- pcap_t *pcap_open_offline(const char *, char *);
- void pcap_close(pcap_t *);
- int pcap_loop(pcap_t *, int, pcap_handler, u_char *);
- int pcap_dispatch(pcap_t *, int, pcap_handler, u_char *);
- const u_char*
- pcap_next(pcap_t *, struct pcap_pkthdr *);
- int pcap_stats(pcap_t *, struct pcap_stat *);
- int pcap_setfilter(pcap_t *, struct bpf_program *);
- void pcap_perror(pcap_t *, char *);
- char *pcap_strerror(int);
- char *pcap_geterr(pcap_t *);
- int pcap_compile(pcap_t *, struct bpf_program *, char *, int,
- bpf_u_int32);
- /* XXX */
- int pcap_freecode(pcap_t *, struct bpf_program *);
- int pcap_datalink(pcap_t *);
- int pcap_snapshot(pcap_t *);
- int pcap_is_swapped(pcap_t *);
- int pcap_major_version(pcap_t *);
- int pcap_minor_version(pcap_t *);
- /* XXX */
- FILE *pcap_file(pcap_t *);
- int pcap_fileno(pcap_t *);
- pcap_dumper_t *pcap_dump_open(pcap_t *, const char *);
- void pcap_dump_close(pcap_dumper_t *);
- void pcap_dump(u_char *, const struct pcap_pkthdr *, const u_char *);
- /* XXX this guy lives in the bpf tree */
- u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int);
- char *bpf_image(struct bpf_insn *, int);
- #endif