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- /* $Id: libpcap.h 767 2004-10-06 12:48:49Z aturner $ */
- /*
- * Copyright (c) 2001-2004 Aaron Turner, Matt Bing.
- * 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. Neither the names of the copyright owners nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``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 AUTHORS OR COPYRIGHT HOLDERS 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.
- */
- #ifndef _LIBPCAP_H_
- #define _LIBPCAP_H_
- #include "config.h"
- #include "tcpreplay.h"
- #include <sys/time.h>
- #include <sys/types.h>
- /* magic constants for various pcap file types */
- #define PCAP_MAGIC 0xa1b2c3d4
- #define PCAP_SWAPPED_MAGIC 0xd4c3b2a1
- #define PCAP_MODIFIED_MAGIC 0xa1b2cd34
- #define PCAP_SWAPPED_MODIFIED_MAGIC 0x34cdb2a1
- /* data prefixing each packet in modified pcap */
- struct pcap_mod_pkthdr {
- struct pcap_pkthdr hdr; /* normal header */
- u_int32_t ifindex; /* receiving interface index */
- u_int16_t protocol; /* ethernet packet type */
- u_int8_t pkt_type; /* ethernet packet type */
- u_int8_t pad; /* padding */
- };
- /* data describing a pcap */
- struct pcap_info {
- int modified;
- char *swapped;
- struct pcap_file_header phdr;
- char *linktype;
- int cnt;
- int bytes;
- int trunc;
- struct timespec start_tm;
- struct timespec finish_tm;
- };
- int is_pcap(int);
- int get_next_pcap(int, struct packet *);
- void stat_pcap(int, struct pcap_info *);
- #endif
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