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pcap.h

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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.
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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
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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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