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NetBSD/usr.sbin/tcpdump/interface.h
itojun 6baefd92e4 sync with recent KAME. 
- more length overflow check for ip6 related parsing
- protocol decode fixes
- add dhcp6 parser

XXX how should we maintain usr.sbin/tcpdump for years to come?
relationship with www.tcpdump.org codebase?
1999-12-10 05:45:07 +00:00

281 lines
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C
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/* $NetBSD: interface.h,v 1.12 1999/12/10 05:45:07 itojun Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that: (1) source code distributions
* retain the above copyright notice and this paragraph in its entirety, (2)
* distributions including binary code include the above copyright notice and
* this paragraph in its entirety in the documentation or other materials
* provided with the distribution, and (3) all advertising materials mentioning
* features or use of this software display the following acknowledgement:
* ``This product includes software developed by the University of California,
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
* the University 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 WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#) Header: interface.h,v 1.105 97/04/26 13:39:58 leres Exp (LBL)
*/
#ifndef tcpdump_interface_h
#define tcpdump_interface_h
#include "gnuc.h"
#ifdef HAVE_OS_PROTO_H
#include "os-proto.h"
#endif
struct tok {
int v; /* value */
char *s; /* string */
};
extern int aflag; /* translate network and broadcast addresses */
extern int dflag; /* print filter code */
extern int eflag; /* print ethernet header */
extern int fflag; /* don't translate "foreign" IP address */
extern int nflag; /* leave addresses as numbers */
extern int Nflag; /* remove domains from printed host names */
extern int qflag; /* quick (shorter) output */
extern int Rflag; /* print sequence # field in AH/ESP*/
extern int Sflag; /* print raw TCP sequence numbers */
extern int tflag; /* print packet arrival time */
extern int vflag; /* verbose */
extern int xflag; /* print packet in hex */
extern int Xflag; /* print packet in hex/ascii */
extern int packettype; /* as specified by -T */
#define PT_VAT 1 /* Visual Audio Tool */
#define PT_WB 2 /* distributed White Board */
#define PT_RPC 3 /* Remote Procedure Call */
#define PT_RTP 4 /* Real-Time Applications protocol */
#define PT_RTCP 5 /* Real-Time Applications control protocol */
#ifndef min
#define min(a,b) ((a)>(b)?(b):(a))
#endif
#ifndef max
#define max(a,b) ((b)>(a)?(b):(a))
#endif
#ifndef INET6
/*
* The default snapshot length. This value allows most printers to print
* useful information while keeping the amount of unwanted data down.
* In particular, it allows for an ethernet header, tcp/ip header, and
* 14 bytes of data (assuming no ip options).
*/
#define DEFAULT_SNAPLEN 68
#else
#define DEFAULT_SNAPLEN 96
#endif
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
#endif
#ifdef ETHER_HEADER_HAS_EA
#define ESRC(ep) ((ep)->ether_shost.ether_addr_octet)
#define EDST(ep) ((ep)->ether_dhost.ether_addr_octet)
#else
#define ESRC(ep) ((ep)->ether_shost)
#define EDST(ep) ((ep)->ether_dhost)
#endif
#ifdef __NetBSD__ /* actually NetBSD 1.2D and later */
#define APTYPE struct arphdr
#define HRD(ap) ((ap)->ar_hrd)
#define HLN(ap) ((ap)->ar_hln)
#define PLN(ap) ((ap)->ar_pln)
#define OP(ap) ((ap)->ar_op)
#define PRO(ap) ((ap)->ar_pro)
#define SHA(ap) (ar_sha(ap))
#define SPA(ap) (ar_spa(ap))
#define THA(ap) (ar_tha(ap))
#define TPA(ap) (ar_tpa(ap))
#else
#ifdef ETHER_ARP_HAS_X
#define SHA(ap) ((ap)->arp_xsha)
#define THA(ap) ((ap)->arp_xtha)
#define SPA(ap) ((ap)->arp_xspa)
#define TPA(ap) ((ap)->arp_xtpa)
#else
#ifdef ETHER_ARP_HAS_EA
#define SHA(ap) ((ap)->arp_sha.ether_addr_octet)
#define THA(ap) ((ap)->arp_tha.ether_addr_octet)
#else
#define SHA(ap) ((ap)->arp_sha)
#define THA(ap) ((ap)->arp_tha)
#endif
#define SPA(ap) ((ap)->arp_spa)
#define TPA(ap) ((ap)->arp_tpa)
#endif
#endif
#ifndef NTOHL
#define NTOHL(x) (x) = ntohl(x)
#define NTOHS(x) (x) = ntohs(x)
#define HTONL(x) (x) = htonl(x)
#define HTONS(x) (x) = htons(x)
#endif
#endif
/*
* XXX This is a really ugly hack, but the preprocessor simply doesn't
* know whether it's running on a 32- or 64-bit machine.
*/
#ifdef __alpha__
#define INT64_FORMAT "%ld"
#define U_INT64_FORMAT "%lu"
#define HEX_INT64_FORMAT "%lx"
#else
#define INT64_FORMAT "%qd"
#define U_INT64_FORMAT "%qu"
#define HEX_INT64_FORMAT "%qx"
#endif
extern char *program_name; /* used to generate self-identifying messages */
extern int32_t thiszone; /* seconds offset from gmt to local time */
extern int snaplen;
/* global pointers to beginning and end of current packet (during printing) */
extern const u_char *packetp;
extern const u_char *snapend;
/* True if "l" bytes of "var" were captured */
#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
/* True if "var" was captured */
#define TTEST(var) TTEST2(var, sizeof(var))
/* Bail if "l" bytes of "var" were not captured */
#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
/* Bail if "var" was not captured */
#define TCHECK(var) TCHECK2(var, sizeof(var))
#ifdef __STDC__
struct timeval;
#endif
extern void ts_print(const struct timeval *);
extern int fn_print(const u_char *, const u_char *);
extern int fn_printn(const u_char *, u_int, const u_char *);
extern const char *tok2str(const struct tok *, const char *, int);
extern char *dnaddr_string(u_short);
extern void wrapup(int);
#if __STDC__
extern __dead void error(const char *, ...)
__attribute__((volatile, format (printf, 1, 2)));
extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
#endif
extern char *read_infile(char *);
extern char *copy_argv(char **);
extern char *isonsap_string(const u_char *);
extern char *llcsap_string(u_char);
extern char *protoid_string(const u_char *);
extern char *dnname_string(u_short);
extern char *dnnum_string(u_short);
/* The printer routines. */
#ifdef __STDC__
struct pcap_pkthdr;
struct p8022Hdr;
#endif
extern void ascii_print_with_offset(const u_char *, u_int, u_int);
extern void ascii_print(const u_char *, u_int);
extern void hex_print_with_offset(const u_char *, u_int, u_int);
extern void hex_print(const u_char *, u_int);
extern void telnet_print(const u_char *, u_int);
extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
extern int llc_print(const u_char *, u_int, u_int, const u_char *,
const u_char *);
extern void aarp_print(const u_char *, u_int);
extern void arp_print(const u_char *, u_int, u_int);
extern void atalk_print(const u_char *, u_int);
extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void bootp_print(const u_char *, u_int, u_short, u_short);
extern void bgp_print(const u_char *, int);
extern void decnet_print(const u_char *, u_int, u_int);
extern void default_print(const u_char *, u_int);
extern void default_print_unaligned(const u_char *, u_int);
extern void dvmrp_print(const u_char *, u_int);
extern void egp_print(const u_char *, u_int, const u_char *);
extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void gre_print(const u_char *, u_int);
extern void icmp_print(const u_char *, const u_char *);
extern void igrp_print(const u_char *, u_int, const u_char *);
extern void ip_print(const u_char *, u_int);
extern void ipx_print(const u_char *, u_int);
extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
const u_char *);
extern void krb_print(const u_char *, u_int);
extern void l2tp_print(const u_char *dat, u_int length);
extern void llap_print(const u_char *, u_int);
extern void mobile_print(const u_char *, u_int);
extern void netbios_print(struct p8022Hdr *, u_int);
extern void nfsreply_print(const u_char *, u_int, const u_char *);
extern void nfsreq_print(const u_char *, u_int, const u_char *);
extern void ns_print(const u_char *, u_int);
extern void ntp_print(const u_char *, u_int);
extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void ospf_print(const u_char *, u_int, const u_char *);
extern void igmp_pim_print(const u_char *, u_int);
extern void pim_print(const u_char *, u_int);
extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void ppp_netbsd_serial_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void rip_print(const u_char *, u_int);
extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void snmp_print(const u_char *, u_int);
extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
extern void tcp_print(const u_char *, u_int, const u_char *);
extern void tftp_print(const u_char *, u_int);
extern void token_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void udp_print(const u_char *, u_int, const u_char *);
extern void wb_print(const void *, u_int);
extern void hdlc_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern int ah_print(register const u_char *, register const u_char *);
extern int esp_print(register const u_char *, register const u_char *, int *);
extern void isakmp_print(const u_char *, u_int, const u_char *);
extern int ipcomp_print(register const u_char *, register const u_char *, int *);
#ifdef INET6
extern void ip6_print(const u_char *, int);
extern void ip6_opt_print __P((const u_char *, int));
extern int hbhopt_print(const u_char *);
extern int dstopt_print(const u_char *);
extern int frag6_print(const u_char *, const u_char *);
extern void icmp6_print(const u_char *, const u_char *);
extern void ripng_print(const u_char *, int);
extern int rt6_print(const u_char *, const u_char *);
extern void ospf6_print(const u_char *, u_int);
extern void dhcp6_print(const u_char *, u_int, u_short, u_short);
#endif /*INET6*/
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