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 1.10 2003/03/13 13:05:47 fulvio Exp $ (LBL) 00035 */ 00036 00037 00108 pcap_t *pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf); 00109 00119 pcap_t *pcap_open_dead(int linktype, int snaplen); 00120 00132 pcap_t *pcap_open_offline(const char *fname, char *errbuf); 00133 00143 pcap_dumper_t *pcap_dump_open(pcap_t *p, const char *fname); 00144 00162 int pcap_setnonblock(pcap_t *p, int nonblock, char *errbuf); 00163 00173 int pcap_getnonblock(pcap_t *p, char *errbuf); 00174 00189 int pcap_findalldevs(pcap_if_t **alldevsp, char *errbuf); 00190 00197 void pcap_freealldevs(pcap_if_t *alldevsp); 00198 00208 char *pcap_lookupdev(char *errbuf); 00209 00220 int pcap_lookupnet(char *device, bpf_u_int32 *netp, bpf_u_int32 *maskp, char *errbuf); 00221 00261 int pcap_dispatch(pcap_t *p, int cnt, pcap_handler callback, u_char *user); 00262 00279 int pcap_loop(pcap_t *p, int cnt, pcap_handler callback, u_char *user); 00280 00291 void pcap_dump(u_char *user, const struct pcap_pkthdr *h, const u_char *sp); 00292 00307 int pcap_compile(pcap_t *p, struct bpf_program *fp, char *str, int optimize, bpf_u_int32 netmask); 00308 00329 int pcap_compile_nopcap(int snaplen_arg, int linktype_arg, struct bpf_program *program, char *buf, int optimize, bpf_u_int32 mask); 00330 00341 int pcap_setfilter(pcap_t *p, struct bpf_program *fp); 00342 00353 void pcap_freecode(struct bpf_program *fp); 00354 00365 u_char *pcap_next(pcap_t *p, struct pcap_pkthdr *h); 00366 00483 int pcap_datalink(pcap_t *p); 00484 00492 int pcap_snapshot(pcap_t *p); 00493 00498 int pcap_is_swapped(pcap_t *p); 00499 00505 int pcap_major_version(pcap_t *p); 00506 00512 int pcap_minor_version(pcap_t *p); 00513 00528 int pcap_stats(pcap_t *p, struct pcap_stat *ps); 00529 00539 FILE *pcap_file(pcap_t *p); 00540 00550 int pcap_fileno(pcap_t *p); 00551 00558 void pcap_perror(pcap_t *p, char *prefix); 00559 00570 char *pcap_geterr(pcap_t *p); 00571 00578 char *pcap_strerror(int error); 00579 00585 \fn void pcap_close(pcap_t *p); 00586 00592 \fn void pcap_dump_close(pcap_dumper_t *p); 00593 00603 \fn int pcap_setbuff(pcap_t *p, int dim); 00610 int pcap_setmode(pcap_t *p, int mode); 00611 00623 int pcap_sendpacket(pcap_t *p, u_char *buf, int size); 00624 00637 int pcap_setmintocopy(pcap_t *p, int size); 00638 00646 HANDLE pcap_getevent(pcap_t *p); 00647 00660 pcap_send_queue* pcap_sendqueue_alloc(u_int memsize); 00661 00668 void pcap_sendqueue_destroy(pcap_send_queue* queue); 00669 00684 int pcap_sendqueue_queue(pcap_send_queue* queue, const struct pcap_pkthdr *pkt_header, const u_char *pkt_data); 00685 00709 u_int pcap_sendqueue_transmit(pcap_t *p, pcap_send_queue* queue, int sync); 00710 00727 int pcap_next_ex(pcap_t *p, struct pcap_pkthdr **pkt_header, u_char **pkt_data); 00728 00751 int pcap_live_dump(pcap_t *p, char *filename, int maxsize, int maxpacks); 00752 00767 int pcap_live_dump_ended(pcap_t *p, int sync); 00768 00776 int pcap_stats_ex(pcap_t *p, struct pcap_stat *ps); 00777 00786 typedef void (*pcap_handler)(u_char *user, const struct pcap_pkthdr *pkt_header, 00787 const u_char *pkt_data); 00788
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