321 lines
12 KiB
C
321 lines
12 KiB
C
/*
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* Copyright (c) 1988-2002
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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: /tcpdump/master/tcpdump/interface.h,v 1.178.4.2 2002/07/10 07:32:17 guy Exp $ (LBL)
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*
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* $FreeBSD$
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*/
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#ifndef tcpdump_interface_h
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#define tcpdump_interface_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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#include <sys/types.h>
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#include <sys/time.h>
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#ifndef HAVE___ATTRIBUTE__
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#define __attribute__(x)
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#endif
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/* snprintf et al */
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#include <stdarg.h>
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#if !defined(HAVE_SNPRINTF)
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int snprintf(char *, size_t, const char *, ...)
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__attribute__((format(printf, 3, 4)));
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#endif
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#if !defined(HAVE_VSNPRINTF)
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int vsnprintf(char *, size_t, const char *, va_list)
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__attribute__((format(printf, 3, 0)));
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#endif
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#ifndef HAVE_STRLCAT
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extern size_t strlcat(char *, const char *, size_t);
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#endif
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#ifndef HAVE_STRLCPY
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extern size_t strlcpy(char *, const char *, size_t);
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#endif
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#ifndef HAVE_STRDUP
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extern char *strdup(const char *);
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#endif
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struct tok {
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int v; /* value */
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const char *s; /* string */
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};
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extern int aflag; /* translate network and broadcast addresses */
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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 fflag; /* don't translate "foreign" IP address */
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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 Rflag; /* print sequence # field in AH/ESP*/
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extern int sflag; /* use the libsmi to translate OIDs */
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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 uflag; /* Print undecoded NFS handles */
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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 Xflag; /* print packet in hex/ascii */
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extern char *espsecret;
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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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#define PT_SNMP 6 /* Simple Network Management Protocol */
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#define PT_CNFP 7 /* Cisco NetFlow protocol */
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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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*/
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#ifndef INET6
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#define DEFAULT_SNAPLEN 68 /* ether + IPv4 + TCP + 14 */
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#else
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#define DEFAULT_SNAPLEN 96 /* ether + IPv6 + TCP + 22 */
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#endif
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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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#define ESRC(ep) ((ep)->ether_shost)
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#define EDST(ep) ((ep)->ether_dhost)
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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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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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/*
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* True if "l" bytes of "var" were captured.
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*
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* The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
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* that "snapend - (l)" underflows.
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*
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* The check is for <= rather than < because "l" might be 0.
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*/
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#define TTEST2(var, l) (snapend - (l) <= snapend && \
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(const u_char *)&(var) <= snapend - (l))
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/* True if "var" was captured */
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#define TTEST(var) TTEST2(var, sizeof(var))
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/* Bail if "l" bytes of "var" were not captured */
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#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
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/* Bail if "var" was not captured */
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#define TCHECK(var) TCHECK2(var, sizeof(var))
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extern void ts_print(const struct timeval *);
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extern void relts_print(int);
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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 const char *tok2strary_internal(const char **, int, const char *, int);
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#define tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)
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extern const char *dnaddr_string(u_short);
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extern void info(int);
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extern int infodelay;
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extern int infoprint;
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extern void error(const char *, ...)
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__attribute__((noreturn, format (printf, 1, 2)));
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extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
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extern char *read_infile(char *);
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extern char *copy_argv(char **);
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extern void safeputchar(int);
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extern void safeputs(const char *);
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extern const char *isonsap_string(const u_char *);
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extern const char *llcsap_string(u_char);
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extern const char *protoid_string(const u_char *);
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extern const char *ipxsap_string(u_short);
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extern const char *dnname_string(u_short);
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extern const char *dnnum_string(u_short);
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/* The printer routines. */
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#include <pcap.h>
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extern void ascii_print_with_offset(const u_char *, u_int, u_int);
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extern void ascii_print(const u_char *, u_int);
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extern void hex_print_with_offset(const u_char *, u_int, u_int);
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extern void telnet_print(const u_char *, u_int);
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extern void hex_print(const u_char *, u_int);
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extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
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extern int llc_print(const u_char *, u_int, u_int, const u_char *,
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const u_char *, u_short *);
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extern void aarp_print(const u_char *, u_int);
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extern void arp_print(const u_char *, u_int, u_int);
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extern void atalk_print(const u_char *, u_int);
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extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void bootp_print(const u_char *, u_int, u_short, u_short);
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extern void bgp_print(const u_char *, int);
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extern void beep_print(const u_char *, u_int);
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extern void cnfp_print(const u_char *, u_int, const u_char *);
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extern void decnet_print(const u_char *, u_int, u_int);
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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 dvmrp_print(const u_char *, u_int);
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extern void egp_print(const u_char *, u_int, const u_char *);
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extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *,
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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 token_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 ieee802_11_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void gre_print(const u_char *, u_int);
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extern void icmp_print(const u_char *, u_int, const u_char *);
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extern void igmp_print(const u_char *, u_int);
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extern void igrp_print(const u_char *, u_int, const u_char *);
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extern void ip_print(const u_char *, u_int);
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extern void ipN_print(const u_char *, 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, const u_char *,
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const u_char *);
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extern void krb_print(const u_char *, u_int);
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extern void llap_print(const u_char *, u_int);
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extern void ltalk_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void msdp_print(const unsigned char *, u_int);
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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 null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void ospf_print(const u_char *, u_int, const u_char *);
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extern void pimv1_print(const u_char *, u_int);
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extern void cisco_autorp_print(const u_char *, u_int);
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extern void mobile_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 pppoe_print(const u_char *, u_int);
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extern void ppp_print(register const u_char *, u_int);
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extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void pppoe_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern int vjc_print(register const char *, register u_int, u_short);
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extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void rip_print(const u_char *, u_int);
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extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
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extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
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extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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extern void chdlc_print(register const u_char *, u_int, u_int);
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extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
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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 tcp_print(const u_char *, u_int, const u_char *, int);
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extern void tftp_print(const u_char *, u_int);
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extern void timed_print(const u_char *, u_int);
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extern void udp_print(const u_char *, u_int, const u_char *, int);
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extern void wb_print(const void *, u_int);
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extern int ah_print(register const u_char *, register const u_char *);
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extern int esp_print(register const u_char *, register const u_char *, int *, int *);
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extern void isakmp_print(const u_char *, u_int, const u_char *);
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extern int ipcomp_print(register const u_char *, register const u_char *, int *);
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extern void rx_print(register const u_char *, int, int, int, u_char *);
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extern void netbeui_print(u_short, const u_char *, int);
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extern void ipx_netbios_print(const u_char *, u_int);
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extern void nbt_tcp_print(const u_char *, int);
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extern void nbt_udp137_print(const u_char *, int);
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extern void nbt_udp138_print(const u_char *, int);
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extern char *smb_errstr(int, int);
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extern void print_data(const unsigned char *, int);
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extern void l2tp_print(const u_char *, u_int);
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extern void lcp_print(const u_char *, u_int);
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extern void vrrp_print(const u_char *, u_int, int);
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extern void cdp_print(const u_char *, u_int, u_int, const u_char *,
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const u_char *);
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extern void stp_print(const u_char *, u_int);
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extern void radius_print(const u_char *, u_int);
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extern void lwres_print(const u_char *, u_int);
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extern void pptp_print(const u_char *, u_int);
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extern void sctp_print(const u_char *, const u_char *, u_int);
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extern void mpls_print(const u_char *, u_int);
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extern void zephyr_print(const u_char *, int);
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extern void hsrp_print(const u_char *, u_int);
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#ifdef INET6
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extern void ip6_print(const u_char *, u_int);
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extern void ip6_opt_print(const u_char *, int);
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extern int hbhopt_print(const u_char *);
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extern int dstopt_print(const u_char *);
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extern int frag6_print(const u_char *, const u_char *);
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extern void icmp6_print(const u_char *, const u_char *);
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extern void ripng_print(const u_char *, unsigned int);
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extern int rt6_print(const u_char *, const u_char *);
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extern void ospf6_print(const u_char *, u_int);
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extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t);
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#endif /*INET6*/
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extern u_short in_cksum(const u_short *, register u_int, int);
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#ifndef HAVE_BPF_DUMP
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struct bpf_program;
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extern void bpf_dump(struct bpf_program *, int);
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#endif
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