Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

514 lines (439 sloc) 20.859 kb
/*
* Copyright (c) 1988-1997
* The Regents of the University of California. All rights reserved.
*
* Copyright (c) 1998-2012 Michael Richardson <mcr@tcpdump.org>
* The TCPDUMP project
*
* 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/netdissect.h,v 1.27 2008-08-16 11:36:20 hannes Exp $ (LBL)
*/
#ifndef netdissect_h
#define netdissect_h
#ifdef HAVE_OS_PROTO_H
#include "os-proto.h"
#endif
#include <sys/types.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
#ifndef HAVE_STRLCAT
extern size_t strlcat (char *, const char *, size_t);
#endif
#ifndef HAVE_STRLCPY
extern size_t strlcpy (char *, const char *, size_t);
#endif
#ifndef HAVE_STRDUP
extern char *strdup (const char *str);
#endif
#ifndef HAVE_STRSEP
extern char *strsep(char **, const char *);
#endif
struct tok {
int v; /* value */
const char *s; /* string */
};
#define TOKBUFSIZE 128
extern const char *tok2strbuf(const struct tok *, const char *, int,
char *buf, size_t bufsize);
/* tok2str is deprecated */
extern const char *tok2str(const struct tok *, const char *, int);
extern char *bittok2str(const struct tok *, const char *, int);
extern char *bittok2str_nosep(const struct tok *, const char *, int);
typedef struct netdissect_options netdissect_options;
struct netdissect_options {
int ndo_aflag; /* translate network and broadcast addresses */
int ndo_bflag; /* print 4 byte ASes in ASDOT notation */
int ndo_eflag; /* print ethernet header */
int ndo_fflag; /* don't translate "foreign" IP address */
int ndo_Kflag; /* don't check TCP checksums */
int ndo_nflag; /* leave addresses as numbers */
int ndo_Nflag; /* remove domains from printed host names */
int ndo_qflag; /* quick (shorter) output */
int ndo_Rflag; /* print sequence # field in AH/ESP*/
int ndo_sflag; /* use the libsmi to translate OIDs */
int ndo_Sflag; /* print raw TCP sequence numbers */
int ndo_tflag; /* print packet arrival time */
int ndo_Uflag; /* "unbuffered" output of dump files */
int ndo_uflag; /* Print undecoded NFS handles */
int ndo_vflag; /* verbose */
int ndo_xflag; /* print packet in hex */
int ndo_Xflag; /* print packet in hex/ascii */
int ndo_Aflag; /* print packet only in ascii observing TAB,
* LF, CR and SPACE as graphical chars
*/
int ndo_Bflag; /* buffer size */
int ndo_Iflag; /* rfmon (monitor) mode */
int ndo_Oflag; /* run filter code optimizer */
int ndo_dlt; /* if != -1, ask libpcap for the DLT it names*/
int ndo_jflag; /* packet time stamp source */
int ndo_pflag; /* don't go promiscuous */
int ndo_Cflag; /* rotate dump files after this many bytes */
int ndo_Cflag_count; /* Keep track of which file number we're writing */
int ndo_Gflag; /* rotate dump files after this many seconds */
int ndo_Gflag_count; /* number of files created with Gflag rotation */
time_t ndo_Gflag_time; /* The last time_t the dump file was rotated. */
int ndo_Wflag; /* recycle output files after this number of files */
int ndo_WflagChars;
int ndo_Hflag; /* dissect 802.11s draft mesh standard */
int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
const char *ndo_dltname;
char *ndo_espsecret;
struct sa_list *ndo_sa_list_head; /* used by print-esp.c */
struct sa_list *ndo_sa_default;
char *ndo_sigsecret; /* Signature verification secret key */
struct esp_algorithm *ndo_espsecret_xform; /* cache of decoded */
char *ndo_espsecret_key;
int ndo_packettype; /* as specified by -T */
char *ndo_program_name; /*used to generate self-identifying messages */
int32_t ndo_thiszone; /* seconds offset from gmt to local time */
int ndo_snaplen;
/*global pointers to beginning and end of current packet (during printing) */
const u_char *ndo_packetp;
const u_char *ndo_snapend;
/* bookkeeping for ^T output */
int ndo_infodelay;
/* pointer to void function to output stuff */
void (*ndo_default_print)(netdissect_options *,
register const u_char *bp, register u_int length);
void (*ndo_info)(netdissect_options *, int verbose);
int (*ndo_printf)(netdissect_options *,
const char *fmt, ...)
#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
__attribute__ ((format (printf, 2, 3)))
#endif
;
void (*ndo_error)(netdissect_options *,
const char *fmt, ...)
#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
__attribute__ ((noreturn, format (printf, 2, 3)))
#endif
;
void (*ndo_warning)(netdissect_options *,
const char *fmt, ...)
#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
__attribute__ ((format (printf, 2, 3)))
#endif
;
};
#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 */
#define PT_TFTP 8 /* trivial file transfer protocol */
#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */
#define PT_CARP 10 /* Common Address Redundancy Protocol */
#define PT_RADIUS 11 /* RADIUS authentication Protocol */
#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */
#ifndef min
#define min(a,b) ((a)>(b)?(b):(a))
#endif
#ifndef max
#define max(a,b) ((b)>(a)?(b):(a))
#endif
/*
* Maximum snapshot length. This should be enough to capture the full
* packet on most network interfaces.
*
* XXX - could it be larger? If so, should it? Some applications might
* use the snapshot length in a savefile header to control the size of
* the buffer they allocate, so a size of, say, 2^31-1 might not work
* well.
*/
#define MAXIMUM_SNAPLEN 65535
/*
* The default snapshot length is the maximum.
*/
#define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
#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
/*
* True if "l" bytes of "var" were captured.
*
* The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
* "l" isn't so large that "ndo->ndo_snapend - (l)" underflows.
*
* The check is for <= rather than < because "l" might be 0.
*/
#define ND_TTEST2(var, l) (ndo->ndo_snapend - (l) <= ndo->ndo_snapend && \
(const u_char *)&(var) <= ndo->ndo_snapend - (l))
/* True if "var" was captured */
#define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
/* Bail if "l" bytes of "var" were not captured */
#define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
/* Bail if "var" was not captured */
#define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
#define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
#define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
#if 0
extern void ts_print(netdissect_options *ipdo,
const struct timeval *);
extern void relts_print(int);
#endif
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 void wrapup(int);
#if 0
extern char *read_infile(netdissect_options *, char *);
extern char *copy_argv(netdissect_options *, char **);
#endif
extern void safeputchar(int);
extern void safeputs(const char *, int);
#define PLURAL_SUFFIX(n) \
(((n) != 1) ? "s" : "")
#if 0
extern const char *isonsap_string(netdissect_options *, const u_char *);
extern const char *protoid_string(netdissect_options *, const u_char *);
extern const char *dnname_string(netdissect_options *, u_short);
extern const char *dnnum_string(netdissect_options *, u_short);
#endif
/* The printer routines. */
#include <pcap.h>
typedef u_int (*if_ndo_printer)(struct netdissect_options *ndo,
const struct pcap_pkthdr *, const u_char *);
typedef u_int (*if_printer)(const struct pcap_pkthdr *, const u_char *);
extern if_ndo_printer lookup_ndo_printer(int);
extern if_printer lookup_printer(int);
extern void eap_print(netdissect_options *,const u_char *, u_int);
extern int esp_print(netdissect_options *,
register const u_char *bp, int len, register const u_char *bp2,
int *nhdr, int *padlen);
extern void arp_print(netdissect_options *,const u_char *, u_int, u_int);
extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
extern void icmp6_print(netdissect_options *ndo, const u_char *,
u_int, const u_char *, int);
extern void isakmp_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void isakmp_rfc3948_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void ip_print(netdissect_options *,const u_char *, u_int);
extern void ip_print_inner(netdissect_options *ndo,
const u_char *bp, u_int length, u_int nh,
const u_char *bp2);
extern void rrcp_print(netdissect_options *,const u_char *, u_int);
extern void ether_print(netdissect_options *,
const u_char *, u_int, u_int,
void (*)(netdissect_options *, const u_char *),
const u_char *);
extern u_int ether_if_print(netdissect_options *,
const struct pcap_pkthdr *,const u_char *);
extern u_int netanalyzer_if_print(netdissect_options *,
const struct pcap_pkthdr *,const u_char *);
extern u_int netanalyzer_transparent_if_print(netdissect_options *,
const struct pcap_pkthdr *,
const u_char *);
extern int ethertype_print(netdissect_options *,u_short, const u_char *,
u_int, u_int);
/* stuff that has not yet been rototiled */
#if 0
extern void ascii_print(netdissect_options *,u_int);
extern void hex_and_ascii_print_with_offset(netdissect_options *,const char *,
u_int, u_int);
extern void hex_and_ascii_print(netdissect_options *,const char *, u_int);
extern void hex_print_with_offset(netdissect_options *,const char *,
u_int, u_int);
extern void hex_print(netdissect_options *,const char *, u_int);
extern void telnet_print(netdissect_options *,const u_char *, u_int);
extern int llc_print(netdissect_options *,
const u_char *, u_int, u_int, const u_char *,
const u_char *, u_short *);
extern void aarp_print(netdissect_options *,const u_char *, u_int);
extern void atalk_print(netdissect_options *,const u_char *, u_int);
extern void atm_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
extern void bootp_print(netdissect_options *,const u_char *,
u_int, u_short, u_short);
extern void bgp_print(netdissect_options *,const u_char *, int);
extern void bxxp_print(netdissect_options *,const u_char *, u_int);
extern void chdlc_if_print(u_char *user, const struct pcap_pkthdr *h,
register const u_char *p);
extern void chdlc_print(netdissect_options *ndo,
register const u_char *p, u_int length, u_int caplen);
extern void cisco_autorp_print(netdissect_options *,
const u_char *, u_int);
extern void cnfp_print(netdissect_options *,const u_char *cp,
u_int len, const u_char *bp);
extern void decnet_print(netdissect_options *,const u_char *,
u_int, u_int);
extern void default_print(netdissect_options *,const u_char *, u_int);
extern void dvmrp_print(netdissect_options *,const u_char *, u_int);
extern void egp_print(netdissect_options *,const u_char *, u_int,
const u_char *);
extern void arcnet_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(netdissect_options *,const u_char *, u_int);
extern void icmp_print(netdissect_options *,const u_char *, u_int,
const u_char *);
extern void hsrp_print(netdissect_options *ndo,
register const u_char *bp, register u_int len);
extern void ieee802_11_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
extern void igmp_print(netdissect_options *,
register const u_char *, u_int);
extern void igrp_print(netdissect_options *,const u_char *, u_int,
const u_char *);
extern int nextproto4_cksum(const struct ip *, const u_int8_t *, u_int, u_int);
extern void ipN_print(netdissect_options *,const u_char *, u_int);
extern void ipx_print(netdissect_options *,const u_char *, u_int);
extern void isoclns_print(netdissect_options *,const u_char *,
u_int, u_int, const u_char *, const u_char *);
extern void krb_print(netdissect_options *,const u_char *, u_int);
extern void llap_print(netdissect_options *,const u_char *, u_int);
extern const char *linkaddr_string(netdissect_options *ndo,
const u_char *ep, const unsigned int len);
extern void ltalk_if_print(netdissect_options *ndo,
u_char *user, const struct pcap_pkthdr *h,
const u_char *p);
extern void mpls_print(netdissect_options *ndo,
const u_char *bp, u_int length);
extern void msdp_print(netdissect_options *ndo,
const unsigned char *sp, u_int length);
extern void nfsreply_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void nfsreq_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void ns_print(netdissect_options *,const u_char *, u_int);
extern void ntp_print(netdissect_options *,const u_char *, u_int);
extern void null_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
extern void ospf_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void pimv1_print(netdissect_options *,const u_char *, u_int);
extern void mobile_print(netdissect_options *,const u_char *, u_int);
extern void pim_print(netdissect_options *,const u_char *, u_int, u_int);
extern void pppoe_if_print(u_char *,const struct pcap_pkthdr *, const u_char *);
extern void pppoe_print(netdissect_options *,const u_char *, u_int);
extern void ppp_print(netdissect_options *,
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(netdissect_options *,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(netdissect_options *,const u_char *, u_int);
extern void rpki_rtr_print(netdissect_options *,const u_char *, u_int);
extern void sctp_print(netdissect_options *ndo,
const u_char *bp, const u_char *bp2,
u_int sctpPacketLength);
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 sll_if_print(u_char *,
const struct pcap_pkthdr *, const u_char *);
extern void snmp_print(netdissect_options *,const u_char *, u_int);
extern void sunrpcrequest_print(netdissect_options *,const u_char *,
u_int, const u_char *);
extern void tcp_print(netdissect_options *,const u_char *, u_int,
const u_char *, int);
extern void tftp_print(netdissect_options *,const u_char *, u_int);
extern void timed_print(netdissect_options *,const u_char *, u_int);
extern void udp_print(netdissect_options *,const u_char *, u_int,
const u_char *, int);
extern void wb_print(netdissect_options *,const void *, u_int);
extern int ah_print(netdissect_options *,register const u_char *,
register const u_char *);
extern void esp_print_decodesecret(netdissect_options *ndo);
extern int ipcomp_print(netdissect_options *,register const u_char *,
register const u_char *, int *);
extern void rx_print(netdissect_options *,register const u_char *,
int, int, int, u_char *);
extern void netbeui_print(netdissect_options *,u_short,
const u_char *, int);
extern void ipx_netbios_print(netdissect_options *,const u_char *, u_int);
extern void nbt_tcp_print(netdissect_options *,const u_char *, int);
extern void nbt_udp137_print(netdissect_options *,
const u_char *data, int);
extern void nbt_udp138_print(netdissect_options *,
const u_char *data, int);
extern char *smb_errstr(netdissect_options *,int, int);
extern const char *nt_errstr(netdissect_options *, u_int32_t);
extern void print_data(netdissect_options *,const unsigned char *, int);
extern void l2tp_print(netdissect_options *,const u_char *, u_int);
extern void lcp_print(netdissect_options *,const u_char *, u_int);
extern void vrrp_print(netdissect_options *,const u_char *bp,
u_int len, int ttl);
extern void carp_print(netdissect_options *,const u_char *bp,
u_int len, int ttl);
extern void cdp_print(netdissect_options *,const u_char *,
u_int, u_int, const u_char *, const u_char *);
extern void stp_print(netdissect_options *,const u_char *p, u_int length);
extern void radius_print(netdissect_options *,const u_char *, u_int);
extern void lwres_print(netdissect_options *,const u_char *, u_int);
extern void pptp_print(netdissect_options *,const u_char *, u_int);
#endif
extern u_int ipnet_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
extern u_int ppi_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
extern u_int ieee802_15_4_if_print(netdissect_options *,const struct pcap_pkthdr *, const u_char *);
#ifdef INET6
extern void ip6_print(netdissect_options *,const u_char *, u_int);
#if 0
extern void ip6_opt_print(netdissect_options *,const u_char *, int);
extern int nextproto6_cksum(const struct ip6_hdr *, const u_int8_t *, u_int, u_int);
extern int hbhopt_print(netdissect_options *,const u_char *);
extern int dstopt_print(netdissect_options *,const u_char *);
extern int frag6_print(netdissect_options *,const u_char *,
const u_char *);
extern void icmp6_print(netdissect_options *,const u_char *,
const u_char *);
extern void ripng_print(netdissect_options *,const u_char *, int);
extern int rt6_print(netdissect_options *,const u_char *, const u_char *);
extern void ospf6_print(netdissect_options *,const u_char *, u_int);
extern void dhcp6_print(netdissect_options *,const u_char *,
u_int, u_int16_t, u_int16_t);
extern void zephyr_print(netdissect_options * ndo,
const u_char *cp, int length);
#endif /* 0 */
#endif /*INET6*/
#if 0
struct cksum_vec {
const u_int8_t *ptr;
int len;
};
extern u_int16_t in_cksum(const struct cksum_vec *, int);
extern u_int16_t in_cksum_shouldbe(u_int16_t, u_int16_t);
#endif
extern void esp_print_decodesecret(netdissect_options *ndo);
extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *ndo,
int initiator,
u_char spii[8], u_char spir[8],
u_char *buf, u_char *end);
#endif /* netdissect_h */
Jump to Line
Something went wrong with that request. Please try again.