196 lines
6.9 KiB
C
196 lines
6.9 KiB
C
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/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* @(#) $Header: interface.h,v 1.95 96/07/14 19:38:52 leres Exp $ (LBL)
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*/
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#ifndef tcpdump_interface_h
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#define tcpdump_interface_h
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#include "gnuc.h"
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#endif
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struct tok {
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int v; /* value */
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char *s; /* string */
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};
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extern int dflag; /* print filter code */
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extern int eflag; /* print ethernet header */
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extern int nflag; /* leave addresses as numbers */
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extern int Nflag; /* remove domains from printed host names */
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extern int qflag; /* quick (shorter) output */
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extern int Sflag; /* print raw TCP sequence numbers */
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extern int tflag; /* print packet arrival time */
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extern int vflag; /* verbose */
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extern int xflag; /* print packet in hex */
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extern int packettype; /* as specified by -T */
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#define PT_VAT 1 /* Visual Audio Tool */
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#define PT_WB 2 /* distributed White Board */
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#define PT_RPC 3 /* Remote Procedure Call */
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#define PT_RTP 4 /* Real-Time Applications protocol */
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#define PT_RTCP 5 /* Real-Time Applications control protocol */
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extern char *program_name; /* used to generate self-identifying messages */
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extern int32_t thiszone; /* seconds offset from gmt to local time */
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extern int snaplen;
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/* global pointers to beginning and end of current packet (during printing) */
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extern const u_char *packetp;
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extern const u_char *snapend;
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#define TCHECK2(var, l) if ((u_char *)&(var) > snapend - (l)) goto trunc
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#define TCHECK(var) TCHECK2(var, sizeof(var))
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#ifdef __STDC__
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struct timeval;
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#endif
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extern void ts_print(const struct timeval *);
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extern int32_t gmt2local(void);
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extern int fn_print(const u_char *, const u_char *);
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extern int fn_printn(const u_char *, u_int, const u_char *);
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extern const char *tok2str(const struct tok *, const char *, int);
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extern char *dnaddr_string(u_short);
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extern char *savestr(const char *);
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extern void wrapup(int);
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#if __STDC__
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extern __dead void error(const char *, ...)
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__attribute__((volatile, format (printf, 1, 2)));
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extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
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#endif
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extern char *read_infile(char *);
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extern char *copy_argv(char **);
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extern char *isonsap_string(const u_char *);
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extern char *llcsap_string(u_char);
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extern char *protoid_string(const u_char *);
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extern char *dnname_string(u_short);
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extern char *dnnum_string(u_short);
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/* The printer routines. */
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#ifdef __STDC__
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struct pcap_pkthdr;
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#endif
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extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char*);
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extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char*);
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extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void arp_print(const u_char *, u_int, u_int);
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extern void ip_print(const u_char *, u_int);
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extern void tcp_print(const u_char *, u_int, const u_char *);
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extern void udp_print(const u_char *, u_int, const u_char *);
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extern void icmp_print(const u_char *, const u_char *);
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extern void igrp_print(const u_char *, u_int, const u_char *);
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extern void default_print(const u_char *, u_int);
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extern void default_print_unaligned(const u_char *, u_int);
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extern void aarp_print(const u_char *, u_int);
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extern void atalk_print(const u_char *, u_int);
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extern void bootp_print(const u_char *, u_int, u_short, u_short);
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extern void decnet_print(const u_char *, u_int, u_int);
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extern void egp_print(const u_char *, u_int, const u_char *);
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extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
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extern void ipx_print(const u_char *, u_int);
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extern void isoclns_print(const u_char *, u_int, u_int,
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const u_char *, const u_char *);
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extern int llc_print(const u_char *, u_int, u_int,
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const u_char *, const u_char *);
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extern void nfsreply_print(const u_char *, u_int, const u_char *);
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extern void nfsreq_print(const u_char *, u_int, const u_char *);
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extern void ns_print(const u_char *, u_int);
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extern void ntp_print(const u_char *, u_int);
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extern void ospf_print(const u_char *, u_int, const u_char *);
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extern void rip_print(const u_char *, u_int);
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extern void snmp_print(const u_char *, u_int);
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extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
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extern void tftp_print(const u_char *, u_int);
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extern void wb_print(const void *, u_int);
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extern void dvmrp_print(const u_char *, u_int);
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extern void pim_print(const u_char *, u_int);
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extern void krb_print(const u_char *, u_int);
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#ifndef min
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#define min(a,b) ((a)>(b)?(b):(a))
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#endif
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#ifndef max
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#define max(a,b) ((b)>(a)?(b):(a))
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#endif
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/*
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* The default snapshot length. This value allows most printers to print
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* useful information while keeping the amount of unwanted data down.
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* In particular, it allows for an ethernet header, tcp/ip header, and
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* 14 bytes of data (assuming no ip options).
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*/
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#define DEFAULT_SNAPLEN 68
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#ifndef BIG_ENDIAN
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#define BIG_ENDIAN 4321
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#define LITTLE_ENDIAN 1234
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#endif
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#ifdef ETHER_HEADER_HAS_EA
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#define ESRC(ep) ((ep)->ether_shost.ether_addr_octet)
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#define EDST(ep) ((ep)->ether_dhost.ether_addr_octet)
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#else
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#define ESRC(ep) ((ep)->ether_shost)
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#define EDST(ep) ((ep)->ether_dhost)
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#endif
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#ifdef ETHER_ARP_HAS_X
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#define SHA(ap) ((ap)->arp_xsha)
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#define THA(ap) ((ap)->arp_xtha)
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#define SPA(ap) ((ap)->arp_xspa)
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#define TPA(ap) ((ap)->arp_xtpa)
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#else
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#ifdef ETHER_ARP_HAS_EA
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#define SHA(ap) ((ap)->arp_sha.ether_addr_octet)
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#define THA(ap) ((ap)->arp_tha.ether_addr_octet)
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#else
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#define SHA(ap) ((ap)->arp_sha)
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#define THA(ap) ((ap)->arp_tha)
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#endif
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#define SPA(ap) ((ap)->arp_spa)
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#define TPA(ap) ((ap)->arp_tpa)
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#endif
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#ifndef NTOHL
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#define NTOHL(x) (x) = ntohl(x)
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#define NTOHS(x) (x) = ntohs(x)
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#define HTONL(x) (x) = htonl(x)
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#define HTONS(x) (x) = htons(x)
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#endif
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#endif
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