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tcpdump/interface.h

300 lines
12 KiB
C
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/*
* 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: /tcpdump/master/tcpdump/interface.h,v 1.140 2000-10-06 06:49:21 guy Exp $ (LBL)
*/
#ifndef tcpdump_interface_h
#define tcpdump_interface_h
#ifdef HAVE_OS_PROTO_H
#include "os-proto.h"
#endif
#include <sys/types.h>
#include <sys/time.h>
#ifndef HAVE___ATTRIBUTE__
#define __attribute__(x)
#endif
/* snprintf et al */
#include <stdarg.h>
#if !defined(HAVE_SNPRINTF)
int snprintf (char *str, size_t sz, const char *format, ...)
__attribute__ ((format (printf, 3, 4)));
#endif
#if !defined(HAVE_VSNPRINTF)
int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
__attribute__((format (printf, 3, 0)));
#endif
#if !defined(HAVE_ASPRINTF)
int asprintf (char **ret, const char *format, ...)
__attribute__ ((format (printf, 2, 3)));
#endif
#if !defined(HAVE_VASPRINTF)
int vasprintf (char **ret, const char *format, va_list ap)
__attribute__((format (printf, 2, 0)));
#endif
#if !defined(HAVE_ASNPRINTF)
int asnprintf (char **ret, size_t max_sz, const char *format, ...)
__attribute__ ((format (printf, 3, 4)));
#endif
#if !defined(HAVE_VASNPRINTF)
int vasnprintf (char **ret, size_t max_sz, const char *format, va_list ap)
__attribute__((format (printf, 3, 0)));
#endif
#ifndef HAVE_STRLCAT
extern size_t strlcat __P((char *, const char *, size_t));
#endif
#ifndef HAVE_STRLCPY
extern size_t strlcpy __P((char *, const char *, size_t));
#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; /* use the libsmi to translate OIDs */
extern int Sflag; /* print raw TCP sequence numbers */
extern int tflag; /* print packet arrival time */
extern int uflag; /* Print undecoded NFS handles */
extern int vflag; /* verbose */
extern int xflag; /* print packet in hex */
extern int Xflag; /* print packet in hex/ascii */
extern char *espsecret;
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 */
#define PT_SNMP 6 /* Simple Network Management Protocol */
#define PT_CNFP 7 /* Cisco NetFlow 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
#define ESRC(ep) ((ep)->ether_shost)
#define EDST(ep) ((ep)->ether_dhost)
#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
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))
struct timeval;
extern void ts_print(const struct timeval *);
extern void relts_print(int);
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);
extern void error(const char *, ...)
__attribute__((noreturn, format (printf, 1, 2)));
extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
extern char *read_infile(char *);
extern char *copy_argv(char **);
extern void safeputchar(int);
extern void safeputs(const 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. */
struct pcap_pkthdr;
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 telnet_print(const u_char *, u_int);
extern void hex_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 bxxp_print(const u_char *, u_int);
extern void cnfp_print(const u_char *cp, u_int len, const u_char *bp);
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 ether_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
extern void token_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 *, u_int, 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 ipN_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 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 pimv1_print(const u_char *, u_int);
extern void cisco_autorp_print(const u_char *, u_int);
extern void mobile_print(const u_char *, u_int);
extern void pim_print(const u_char *, u_int);
extern void pppoe_print(const u_char *, u_int);
extern void ppp_print(register const u_char *, u_int);
extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void ppp_hdlc_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 int vjc_print(register const char *, register u_int, u_short);
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 lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
extern void cip_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 chdlc_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 timed_print(const u_char *, u_int);
extern void udp_print(const u_char *, u_int, const u_char *);
extern void wb_print(const void *, u_int);
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 *);
extern void rx_print(register const u_char *, int, int, int, u_char *);
extern void netbeui_print(const u_char *, const u_char *);
extern void ipx_netbios_print(const u_char *, const u_char *);
extern void nbt_tcp_print(const u_char *, int);
extern void nbt_udp137_print(const u_char *data, int);
extern void nbt_udp138_print(const u_char *data, int);
extern char *smb_errstr(int, int);
extern void print_data(const unsigned char *, int);
extern void l2tp_print(const u_char *, u_int);
extern void lcp_print(const u_char *, u_int);
extern void vrrp_print(const u_char *bp, u_int len, int ttl);
extern void cdp_print(const u_char *p, u_int length, u_int caplen,
const u_char *esrc, const u_char *edst);
extern void stp_print(const u_char *p, u_int length);
extern void radius_print(const u_char *, u_int);
#ifdef INET6
extern void ip6_print(const u_char *, int);
extern void ip6_opt_print(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_int16_t, u_int16_t);
#endif /*INET6*/
extern u_short in_cksum(const u_short *addr, register int len, u_short csum);
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