00001 /* -*- Mode: c; tab-width: 8; indent-tabs-mode: 1; c-basic-offset: 8; -*- */ 00002 /* 00003 * Copyright (c) 1993, 1994, 1995, 1996, 1997 00004 * The Regents of the University of California. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 3. All advertising materials mentioning features or use of this software 00015 * must display the following acknowledgement: 00016 * This product includes software developed by the Computer Systems 00017 * Engineering Group at Lawrence Berkeley Laboratory. 00018 * 4. Neither the name of the University nor of the Laboratory may be used 00019 * to endorse or promote products derived from this software without 00020 * specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00023 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00024 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00025 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00026 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00027 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00028 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00029 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00031 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00032 * SUCH DAMAGE. 00033 * 00034 * @(#) $Header: /usr/cvsroot/winpcap/dox/libpcap/funcs/pcap.h,v 1.16 2003/06/10 11:04:56 fulvio Exp $ (LBL) 00035 */ 00036 00037 00038 00077 pcap_t *pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf); 00078 00091 pcap_t *pcap_open_dead(int linktype, int snaplen); 00092 00107 pcap_t *pcap_open_offline(const char *fname, char *errbuf); 00108 00118 pcap_dumper_t *pcap_dump_open(pcap_t *p, const char *fname); 00119 00137 int pcap_setnonblock(pcap_t *p, int nonblock, char *errbuf); 00138 00148 int pcap_getnonblock(pcap_t *p, char *errbuf); 00149 00167 int pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf); 00168 00175 void pcap_freealldevs(pcap_if_t *alldevsp); 00176 00189 char *pcap_lookupdev(char *errbuf); 00190 00204 int pcap_lookupnet(char *device, bpf_u_int32 *netp, bpf_u_int32 *maskp, char *errbuf); 00205 00248 int pcap_dispatch(pcap_t *p, int cnt, pcap_handler callback, u_char *user); 00249 00269 int pcap_loop(pcap_t *p, int cnt, pcap_handler callback, u_char *user); 00270 00281 void pcap_dump(u_char *user, const struct pcap_pkthdr *h, const u_char *sp); 00282 00297 int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask); 00298 00318 int pcap_compile_nopcap(int snaplen_arg, int linktype_arg, struct bpf_program *program, char *buf, int optimize, bpf_u_int32 mask); 00319 00330 int pcap_setfilter(pcap_t *p, struct bpf_program *fp); 00331 00342 void pcap_freecode(struct bpf_program *fp); 00343 00354 u_char *pcap_next(pcap_t *p, struct pcap_pkthdr *h); 00355 00472 int pcap_datalink(pcap_t *p); 00473 00481 int pcap_snapshot(pcap_t *p); 00482 00487 int pcap_is_swapped(pcap_t *p); 00488 00494 int pcap_major_version(pcap_t *p); 00495 00501 int pcap_minor_version(pcap_t *p); 00502 00517 int pcap_stats(pcap_t *p, struct pcap_stat *ps); 00518 00528 FILE *pcap_file(pcap_t *p); 00529 00540 int pcap_fileno(pcap_t *p); 00541 00548 void pcap_perror(pcap_t *p, char *prefix); 00549 00560 char *pcap_geterr(pcap_t *p); 00561 00568 char *pcap_strerror(int error); 00569 00575 \fn void pcap_close(pcap_t *p); 00576 00582 \fn void pcap_dump_close(pcap_dumper_t *p); 00583 00593 \fn int pcap_setbuff(pcap_t *p, int dim); 00600 int pcap_setmode(pcap_t *p, int mode); 00601 00613 int pcap_sendpacket(pcap_t *p, u_char *buf, int size); 00614 00627 int pcap_setmintocopy(pcap_t *p, int size); 00628 00636 HANDLE pcap_getevent(pcap_t *p); 00637 00650 pcap_send_queue* pcap_sendqueue_alloc(u_int memsize); 00651 00658 void pcap_sendqueue_destroy(pcap_send_queue* queue); 00659 00674 int pcap_sendqueue_queue(pcap_send_queue* queue, const struct pcap_pkthdr *pkt_header, const u_char *pkt_data); 00675 00699 u_int pcap_sendqueue_transmit(pcap_t *p, pcap_send_queue* queue, int sync); 00700 00717 int pcap_next_ex(pcap_t *p, struct pcap_pkthdr **pkt_header, u_char **pkt_data); 00718 00741 int pcap_live_dump(pcap_t *p, char *filename, int maxsize, int maxpacks); 00742 00757 int pcap_live_dump_ended(pcap_t *p, int sync); 00758 00782 struct pcap_stat *pcap_stats_ex(pcap_t *p, int *pcap_stat_size); 00783 00792 typedef void (*pcap_handler)(u_char *user, const struct pcap_pkthdr *pkt_header, 00793 const u_char *pkt_data); 00794 00795 00813 bool pcap_offline_filter(struct bpf_program *prog, const struct pcap_pkthdr *header, const u_char *pkt_data); 00814
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