mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-27 20:14:12 +08:00
823644a72d
Fixing Travis CI build for LISP commit Adding testcases for lisp notify and register Fixing build warnings Added ND_TCHECK for relevant headers Fixing ND_TCHECK2 issues Adding support for multiple LOC records for same EID entry Fixing review issues, adding detailed tests Adding support for verbose outputs Adding RFC information for UDP PORT defination Removing Spaces in type names Print EID record related flags in verbose mode Using tok2str Fixing -Wpedantic issues Negative testcases, Packet structure comments, verbose mode flag printing Printing Map Version Print auth_data, decouple type and xtr_present extraction, handle malformed packets correctly Tests for latest code changes Printing useful info incase not built with IPv6 support
584 lines
27 KiB
C
584 lines
27 KiB
C
/*
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* Copyright (c) 1988-1997
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* The Regents of the University of California. All rights reserved.
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*
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* Copyright (c) 1998-2012 Michael Richardson <mcr@tcpdump.org>
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* The TCPDUMP project
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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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#ifndef netdissect_h
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#define netdissect_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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#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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#include <pcap.h>
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#include "ip.h" /* struct ip for nextproto4_cksum() */
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extern int32_t thiszone; /* seconds offset from gmt to local time */
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#if !defined(HAVE_SNPRINTF)
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int snprintf (char *str, size_t sz, const char *format, ...)
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#ifdef __ATTRIBUTE___FORMAT_OK
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__attribute__((format (printf, 3, 4)))
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#endif /* __ATTRIBUTE___FORMAT_OK */
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;
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#endif /* !defined(HAVE_SNPRINTF) */
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#if !defined(HAVE_VSNPRINTF)
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int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
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#ifdef __ATTRIBUTE___FORMAT_OK
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__attribute__((format (printf, 3, 0)))
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#endif /* __ATTRIBUTE___FORMAT_OK */
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;
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#endif /* !defined(HAVE_VSNPRINTF) */
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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 *str);
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#endif
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#ifndef HAVE_STRSEP
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extern char *strsep(char **, const char *);
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#endif
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struct tok {
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u_int v; /* value */
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const char *s; /* string */
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};
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extern const char *tok2strbuf(const struct tok *, const char *, u_int,
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char *buf, size_t bufsize);
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/* tok2str is deprecated */
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extern const char *tok2str(const struct tok *, const char *, u_int);
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extern char *bittok2str(const struct tok *, const char *, u_int);
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extern char *bittok2str_nosep(const struct tok *, const char *, u_int);
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typedef struct netdissect_options netdissect_options;
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#define IF_PRINTER_ARGS (netdissect_options *, const struct pcap_pkthdr *, const u_char *)
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typedef u_int (*if_printer) IF_PRINTER_ARGS;
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struct netdissect_options {
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int ndo_bflag; /* print 4 byte ASes in ASDOT notation */
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int ndo_eflag; /* print ethernet header */
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int ndo_fflag; /* don't translate "foreign" IP address */
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int ndo_Kflag; /* don't check TCP checksums */
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int ndo_nflag; /* leave addresses as numbers */
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int ndo_Nflag; /* remove domains from printed host names */
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int ndo_qflag; /* quick (shorter) output */
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int ndo_mflag; /* use the libsmi to translate OIDs */
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int ndo_Sflag; /* print raw TCP sequence numbers */
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int ndo_tflag; /* print packet arrival time */
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int ndo_uflag; /* Print undecoded NFS handles */
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int ndo_vflag; /* verbosity level */
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int ndo_xflag; /* print packet in hex */
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int ndo_Xflag; /* print packet in hex/ascii */
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int ndo_Aflag; /* print packet only in ascii observing TAB,
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* LF, CR and SPACE as graphical chars
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*/
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int ndo_Hflag; /* dissect 802.11s draft mesh standard */
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int ndo_packet_number; /* print a packet number in the beginning of line */
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int ndo_suppress_default_print; /* don't use default_print() for unknown packet types */
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int ndo_tstamp_precision; /* requested time stamp precision */
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const char *program_name; /* Name of the program using the library */
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char *ndo_espsecret;
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struct sa_list *ndo_sa_list_head; /* used by print-esp.c */
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struct sa_list *ndo_sa_default;
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char *ndo_sigsecret; /* Signature verification secret key */
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int ndo_packettype; /* as specified by -T */
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int ndo_snaplen;
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/*global pointers to beginning and end of current packet (during printing) */
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const u_char *ndo_packetp;
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const u_char *ndo_snapend;
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/* pointer to the if_printer function */
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if_printer ndo_if_printer;
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/* pointer to void function to output stuff */
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void (*ndo_default_print)(netdissect_options *,
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register const u_char *bp, register u_int length);
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/* pointer to function to do regular output */
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int (*ndo_printf)(netdissect_options *,
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const char *fmt, ...)
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#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
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__attribute__ ((format (printf, 2, 3)))
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#endif
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;
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/* pointer to function to output errors */
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void (*ndo_error)(netdissect_options *,
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const char *fmt, ...)
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#ifdef __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS
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__attribute__ ((noreturn))
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#endif /* __ATTRIBUTE___NORETURN_OK_FOR_FUNCTION_POINTERS */
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#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
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__attribute__ ((format (printf, 2, 3)))
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#endif /* __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS */
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;
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/* pointer to function to output warnings */
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void (*ndo_warning)(netdissect_options *,
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const char *fmt, ...)
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#ifdef __ATTRIBUTE___FORMAT_OK_FOR_FUNCTION_POINTERS
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__attribute__ ((format (printf, 2, 3)))
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#endif
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;
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};
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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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#define PT_TFTP 8 /* trivial file transfer protocol */
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#define PT_AODV 9 /* Ad-hoc On-demand Distance Vector Protocol */
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#define PT_CARP 10 /* Common Address Redundancy Protocol */
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#define PT_RADIUS 11 /* RADIUS authentication Protocol */
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#define PT_ZMTP1 12 /* ZeroMQ Message Transport Protocol 1.0 */
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#define PT_VXLAN 13 /* Virtual eXtensible Local Area Network */
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#define PT_PGM 14 /* [UDP-encapsulated] Pragmatic General Multicast */
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#define PT_PGM_ZMTP1 15 /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
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#define PT_LMP 16 /* Link Management 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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* Maximum snapshot length. This should be enough to capture the full
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* packet on most network interfaces.
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*
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*
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* Somewhat arbitrary, but chosen to be:
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*
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* 1) big enough for maximum-size Linux loopback packets (65549)
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* and some USB packets captured with USBPcap:
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*
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* http://desowin.org/usbpcap/
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*
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* (> 131072, < 262144)
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*
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* and
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*
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* 2) small enough not to cause attempts to allocate huge amounts of
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* memory; some applications might use the snapshot length in a
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* savefile header to control the size of the buffer they allocate,
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* so a size of, say, 2^31-1 might not work well.
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*
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* XXX - does it need to be bigger still?
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*/
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#define MAXIMUM_SNAPLEN 262144
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/*
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* The default snapshot length is the maximum.
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*/
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#define DEFAULT_SNAPLEN MAXIMUM_SNAPLEN
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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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/*
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* True if "l" bytes of "var" were captured.
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*
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* The "ndo->ndo_snapend - (l) <= ndo->ndo_snapend" checks to make sure
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* "l" isn't so large that "ndo->ndo_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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* We cast the pointers to uintptr_t to make sure that the compiler
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* doesn't optimize away any of these tests (which it is allowed to
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* do, as adding an integer to, or subtracting an integer from, a
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* pointer assumes that the pointer is a pointer to an element of an
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* array and that the result of the addition or subtraction yields a
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* pointer to another member of the array, so that, for example, if
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* you subtract a positive integer from a pointer, the result is
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* guaranteed to be less than the original pointer value). See
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*
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* http://www.kb.cert.org/vuls/id/162289
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*/
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/*
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* Test in two parts to avoid these warnings:
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* comparison of unsigned expression >= 0 is always true [-Wtype-limits],
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* comparison is always true due to limited range of data type [-Wtype-limits].
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*/
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#define IS_NOT_NEGATIVE(x) (((x) > 0) || ((x) == 0))
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#define ND_TTEST2(var, l) \
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(IS_NOT_NEGATIVE(l) && \
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((uintptr_t)ndo->ndo_snapend - (l) <= (uintptr_t)ndo->ndo_snapend && \
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(uintptr_t)&(var) <= (uintptr_t)ndo->ndo_snapend - (l)))
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/* True if "var" was captured */
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#define ND_TTEST(var) ND_TTEST2(var, sizeof(var))
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/* Bail if "l" bytes of "var" were not captured */
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#define ND_TCHECK2(var, l) if (!ND_TTEST2(var, l)) goto trunc
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/* Bail if "var" was not captured */
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#define ND_TCHECK(var) ND_TCHECK2(var, sizeof(var))
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#define ND_PRINT(STUFF) (*ndo->ndo_printf)STUFF
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#define ND_DEFAULTPRINT(ap, length) (*ndo->ndo_default_print)(ndo, ap, length)
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extern void ts_print(netdissect_options *, const struct timeval *);
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extern void relts_print(netdissect_options *, int);
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extern int fn_print(netdissect_options *, const u_char *, const u_char *);
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extern int fn_printn(netdissect_options *, const u_char *, u_int, const u_char *);
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extern int fn_printzp(netdissect_options *, const u_char *, u_int, const u_char *);
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/*
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* Flags for txtproto_print().
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*/
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#define RESP_CODE_SECOND_TOKEN 0x00000001 /* response code is second token in response line */
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extern void txtproto_print(netdissect_options *, const u_char *, u_int,
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const char *, const char **, u_int);
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/*
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* Locale-independent macros for testing character properties and
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* stripping the 8th bit from characters. Assumed to be handed
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* a value between 0 and 255, i.e. don't hand them a char, as
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* those might be in the range -128 to 127.
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*/
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#define ND_ISASCII(c) (!((c) & 0x80)) /* value is an ASCII code point */
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#define ND_ISPRINT(c) ((c) >= 0x20 && (c) <= 0x7E)
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#define ND_ISGRAPH(c) ((c) > 0x20 && (c) <= 0x7E)
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#define ND_TOASCII(c) ((c) & 0x7F)
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extern void safeputchar(netdissect_options *, const u_char);
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extern void safeputs(netdissect_options *, const u_char *, const u_int);
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#ifdef LBL_ALIGN
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/*
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* The processor doesn't natively handle unaligned loads,
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* and the compiler might "helpfully" optimize memcpy()
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* and memcmp(), when handed pointers that would normally
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* be properly aligned, into sequences that assume proper
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* alignment.
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*
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* Do copies and compares of possibly-unaligned data by
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* calling routines that wrap memcpy() and memcmp(), to
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* prevent that optimization.
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*/
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extern void unaligned_memcpy(void *, const void *, size_t);
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extern int unaligned_memcmp(const void *, const void *, size_t);
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#define UNALIGNED_MEMCPY(p, q, l) unaligned_memcpy((p), (q), (l))
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#define UNALIGNED_MEMCMP(p, q, l) unaligned_memcmp((p), (q), (l))
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#else
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/*
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* The procesor natively handles unaligned loads, so just use memcpy()
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* and memcmp(), to enable those optimizations.
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*/
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#define UNALIGNED_MEMCPY(p, q, l) memcpy((p), (q), (l))
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#define UNALIGNED_MEMCMP(p, q, l) memcmp((p), (q), (l))
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#endif
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#define PLURAL_SUFFIX(n) \
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(((n) != 1) ? "s" : "")
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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 if_printer lookup_printer(int);
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/* The DLT printer routines */
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extern u_int ap1394_if_print IF_PRINTER_ARGS;
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extern u_int arcnet_if_print IF_PRINTER_ARGS;
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extern u_int arcnet_linux_if_print IF_PRINTER_ARGS;
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extern u_int atm_if_print IF_PRINTER_ARGS;
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extern u_int bt_if_print IF_PRINTER_ARGS;
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extern u_int chdlc_if_print IF_PRINTER_ARGS;
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extern u_int cip_if_print IF_PRINTER_ARGS;
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extern u_int enc_if_print IF_PRINTER_ARGS;
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extern u_int ether_if_print IF_PRINTER_ARGS;
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extern u_int fddi_if_print IF_PRINTER_ARGS;
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extern u_int fr_if_print IF_PRINTER_ARGS;
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extern u_int ieee802_11_if_print IF_PRINTER_ARGS;
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extern u_int ieee802_11_radio_avs_if_print IF_PRINTER_ARGS;
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extern u_int ieee802_11_radio_if_print IF_PRINTER_ARGS;
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extern u_int ieee802_15_4_if_print IF_PRINTER_ARGS;
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extern u_int ipfc_if_print IF_PRINTER_ARGS;
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extern u_int ipnet_if_print IF_PRINTER_ARGS;
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extern u_int juniper_atm1_print IF_PRINTER_ARGS;
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extern u_int juniper_atm2_print IF_PRINTER_ARGS;
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extern u_int juniper_chdlc_print IF_PRINTER_ARGS;
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extern u_int juniper_es_print IF_PRINTER_ARGS;
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extern u_int juniper_ether_print IF_PRINTER_ARGS;
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extern u_int juniper_frelay_print IF_PRINTER_ARGS;
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extern u_int juniper_ggsn_print IF_PRINTER_ARGS;
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extern u_int juniper_mfr_print IF_PRINTER_ARGS;
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extern u_int juniper_mlfr_print IF_PRINTER_ARGS;
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extern u_int juniper_mlppp_print IF_PRINTER_ARGS;
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extern u_int juniper_monitor_print IF_PRINTER_ARGS;
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extern u_int juniper_ppp_print IF_PRINTER_ARGS;
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extern u_int juniper_pppoe_atm_print IF_PRINTER_ARGS;
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extern u_int juniper_pppoe_print IF_PRINTER_ARGS;
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extern u_int juniper_services_print IF_PRINTER_ARGS;
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extern u_int lane_if_print IF_PRINTER_ARGS;
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extern u_int ltalk_if_print IF_PRINTER_ARGS;
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extern u_int mfr_if_print IF_PRINTER_ARGS;
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extern u_int netanalyzer_if_print IF_PRINTER_ARGS;
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extern u_int netanalyzer_transparent_if_print IF_PRINTER_ARGS;
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extern u_int nflog_if_print IF_PRINTER_ARGS;
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extern u_int null_if_print IF_PRINTER_ARGS;
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extern u_int pflog_if_print IF_PRINTER_ARGS;
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extern u_int pktap_if_print IF_PRINTER_ARGS;
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extern u_int ppi_if_print IF_PRINTER_ARGS;
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extern u_int ppp_bsdos_if_print IF_PRINTER_ARGS;
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extern u_int ppp_hdlc_if_print IF_PRINTER_ARGS;
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extern u_int ppp_if_print IF_PRINTER_ARGS;
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extern u_int pppoe_if_print IF_PRINTER_ARGS;
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extern u_int prism_if_print IF_PRINTER_ARGS;
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extern u_int raw_if_print IF_PRINTER_ARGS;
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extern u_int sl_bsdos_if_print IF_PRINTER_ARGS;
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extern u_int sl_if_print IF_PRINTER_ARGS;
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extern u_int sll_if_print IF_PRINTER_ARGS;
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extern u_int sunatm_if_print IF_PRINTER_ARGS;
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extern u_int symantec_if_print IF_PRINTER_ARGS;
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extern u_int token_if_print IF_PRINTER_ARGS;
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extern u_int usb_linux_48_byte_print IF_PRINTER_ARGS;
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extern u_int usb_linux_64_byte_print IF_PRINTER_ARGS;
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/* The printer routines. */
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extern void aarp_print(netdissect_options *, const u_char *, u_int);
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extern int ah_print(netdissect_options *, register const u_char *);
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extern void ahcp_print(netdissect_options *, const u_char *, const u_int);
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extern void aodv_print(netdissect_options *, const u_char *, u_int, int);
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extern void aoe_print(netdissect_options *, const u_char *, const u_int);
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extern void arp_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void ascii_print(netdissect_options *, const u_char *, u_int);
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extern void atalk_print(netdissect_options *, const u_char *, u_int);
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extern void atm_print(netdissect_options *, u_int, u_int, u_int, const u_char *, u_int, u_int);
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extern void babel_print(netdissect_options *, const u_char *, u_int);
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extern void beep_print(netdissect_options *, const u_char *, u_int);
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extern void bfd_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void bgp_print(netdissect_options *, const u_char *, int);
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extern char *bgp_vpn_rd_print (netdissect_options *, const u_char *);
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extern void bootp_print(netdissect_options *, const u_char *, u_int);
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extern void calm_fast_print(netdissect_options *, const u_char *, const u_char *, u_int);
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extern void carp_print(netdissect_options *, const u_char *, u_int, int);
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extern void cdp_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void cfm_print(netdissect_options *, const u_char *, u_int);
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extern u_int chdlc_print(netdissect_options *, register const u_char *, u_int);
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extern void cisco_autorp_print(netdissect_options *, const u_char *, u_int);
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extern void cnfp_print(netdissect_options *, const u_char *);
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extern void dccp_print(netdissect_options *, const u_char *, const u_char *, u_int);
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extern void decnet_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void dhcp6_print(netdissect_options *, const u_char *, u_int);
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extern int dstopt_print(netdissect_options *, const u_char *);
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extern void dtp_print(netdissect_options *, const u_char *, u_int);
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extern void dvmrp_print(netdissect_options *, const u_char *, u_int);
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extern void eap_print(netdissect_options *, const u_char *, u_int);
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extern void egp_print(netdissect_options *, const u_char *, u_int);
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extern void eigrp_print(netdissect_options *, const u_char *, u_int);
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extern int esp_print(netdissect_options *, const u_char *, const int, const u_char *, int *, int *);
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extern u_int ether_print(netdissect_options *, const u_char *, u_int, u_int, void (*)(netdissect_options *, const u_char *), const u_char *);
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extern int ethertype_print(netdissect_options *, u_short, const u_char *, u_int, u_int);
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extern u_int fddi_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void forces_print(netdissect_options *, const u_char *, u_int);
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extern u_int fr_print(netdissect_options *, register const u_char *, u_int);
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extern int frag6_print(netdissect_options *, const u_char *, const u_char *);
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extern void ftp_print(netdissect_options *, const u_char *, u_int);
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extern void geneve_print(netdissect_options *, const u_char *, u_int);
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extern void geonet_print(netdissect_options *, const u_char *, const u_char *, u_int);
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extern void gre_print(netdissect_options *, const u_char *, u_int);
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extern int hbhopt_print(netdissect_options *, const u_char *);
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extern void hex_and_ascii_print(netdissect_options *, const char *, const u_char *, u_int);
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extern void hex_and_ascii_print_with_offset(netdissect_options *, const char *, const u_char *, u_int, u_int);
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extern void hex_print(netdissect_options *, const char *ident, const u_char *cp, u_int);
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extern void hex_print_with_offset(netdissect_options *, const char *ident, const u_char *cp, u_int, u_int);
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extern void hsrp_print(netdissect_options *, const u_char *, u_int);
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extern void http_print(netdissect_options *, const u_char *, u_int);
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extern void icmp6_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
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extern void icmp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
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extern void igmp_print(netdissect_options *, const u_char *, u_int);
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extern void igrp_print(netdissect_options *, const u_char *, u_int);
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extern void ip6_print(netdissect_options *, const u_char *, u_int);
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extern void ipN_print(netdissect_options *, const u_char *, u_int);
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extern void ip_print(netdissect_options *, const u_char *, u_int);
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extern void ip_print_inner(netdissect_options *, const u_char *, u_int, u_int nh, const u_char *);
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extern int ipcomp_print(netdissect_options *, register const u_char *, int *);
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extern void ipx_netbios_print(netdissect_options *, const u_char *, u_int);
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extern void ipx_print(netdissect_options *, const u_char *, u_int);
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extern void isakmp_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void isakmp_rfc3948_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void isoclns_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void krb_print(netdissect_options *, const u_char *);
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extern void l2tp_print(netdissect_options *, const u_char *, u_int);
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extern void lane_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void ldp_print(netdissect_options *, const u_char *, u_int);
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extern void lisp_print(netdissect_options *, const u_char *, u_int);
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extern u_int llap_print(netdissect_options *, const u_char *, u_int);
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extern int llc_print(netdissect_options *, const u_char *, u_int, u_int, const u_char *, const u_char *);
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extern void lldp_print(netdissect_options *, const u_char *, u_int);
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extern void lmp_print(netdissect_options *, const u_char *, u_int);
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extern void loopback_print(netdissect_options *, const u_char *, const u_int);
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extern void lspping_print(netdissect_options *, const u_char *, u_int);
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extern void lwapp_control_print(netdissect_options *, const u_char *, u_int, int);
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extern void lwapp_data_print(netdissect_options *, const u_char *, u_int);
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extern void lwres_print(netdissect_options *, const u_char *, u_int);
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extern void m3ua_print(netdissect_options *, const u_char *, const u_int);
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extern void medsa_print(netdissect_options *, const u_char *, u_int, u_int);
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extern u_int mfr_print(netdissect_options *, register const u_char *, u_int);
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extern void mobile_print(netdissect_options *, const u_char *, u_int);
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extern int mobility_print(netdissect_options *, const u_char *, const u_char *);
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extern void mpcp_print(netdissect_options *, const u_char *, u_int);
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extern void mpls_print(netdissect_options *, const u_char *, u_int);
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extern int mptcp_print(netdissect_options *, const u_char *, u_int, u_char);
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extern void msdp_print(netdissect_options *, const u_char *, u_int);
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extern void msnlb_print(netdissect_options *, const u_char *);
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extern void nbt_tcp_print(netdissect_options *, const u_char *, int);
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extern void nbt_udp137_print(netdissect_options *, const u_char *, int);
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extern void nbt_udp138_print(netdissect_options *, const u_char *, int);
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extern void netbeui_print(netdissect_options *, u_short, const u_char *, int);
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extern void nfsreply_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void nfsreply_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void nfsreq_print_noaddr(netdissect_options *, const u_char *, u_int, const u_char *);
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extern const u_char * ns_nprint (netdissect_options *, register const u_char *, register const u_char *);
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extern void ns_print(netdissect_options *, const u_char *, u_int, int);
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extern void ntp_print(netdissect_options *, const u_char *, u_int);
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extern int oam_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void olsr_print(netdissect_options *, const u_char *, u_int, int);
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extern void openflow_print(netdissect_options *, const u_char *, const u_int);
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extern void ospf6_print(netdissect_options *, const u_char *, u_int);
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extern void ospf_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern int ospf_print_grace_lsa(netdissect_options *, const uint8_t *, u_int);
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extern int ospf_print_te_lsa(netdissect_options *, const uint8_t *, u_int);
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extern void otv_print(netdissect_options *, const u_char *, u_int);
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extern void pgm_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void pim_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void pimv1_print(netdissect_options *, const u_char *, u_int);
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extern u_int ppp_print(netdissect_options *, register const u_char *, u_int);
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extern u_int pppoe_print(netdissect_options *, const u_char *, u_int);
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extern void pptp_print(netdissect_options *, const u_char *);
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extern int print_unknown_data(netdissect_options *, const u_char *, const char *, int);
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extern char *q922_string(netdissect_options *, const u_char *, u_int);
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extern void q933_print(netdissect_options *, const u_char *, u_int);
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extern void radius_print(netdissect_options *, const u_char *, u_int);
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extern void rip_print(netdissect_options *, const u_char *, u_int);
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extern void ripng_print(netdissect_options *, const u_char *, unsigned int);
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extern void rpki_rtr_print(netdissect_options *, const u_char *, u_int);
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extern void rrcp_print(netdissect_options *, const u_char *, u_int);
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extern void rsvp_print(netdissect_options *, const u_char *, u_int);
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extern int rt6_print(netdissect_options *, const u_char *, const u_char *);
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extern void rtsp_print(netdissect_options *, const u_char *, u_int);
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extern void rx_print(netdissect_options *, register const u_char *, int, int, int, const u_char *);
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extern void sctp_print(netdissect_options *, const u_char *, const u_char *, u_int);
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extern void sflow_print(netdissect_options *, const u_char *, u_int);
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extern void sip_print(netdissect_options *, const u_char *, u_int);
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extern void slow_print(netdissect_options *, const u_char *, u_int);
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extern void smb_print_data(netdissect_options *, const unsigned char *, int);
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extern void smb_tcp_print(netdissect_options *, const u_char *, int);
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extern void smtp_print(netdissect_options *, const u_char *, u_int);
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extern int snap_print(netdissect_options *, const u_char *, u_int, u_int, const u_char *, const u_char *, u_int);
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extern void snmp_print(netdissect_options *, const u_char *, u_int);
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extern void stp_print(netdissect_options *, const u_char *, u_int);
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extern void sunrpcrequest_print(netdissect_options *, const u_char *, u_int, const u_char *);
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extern void syslog_print(netdissect_options *, const u_char *, u_int);
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extern void tcp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
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extern void telnet_print(netdissect_options *, const u_char *, u_int);
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extern void tftp_print(netdissect_options *, const u_char *, u_int);
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extern void timed_print(netdissect_options *, const u_char *);
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extern void tipc_print(netdissect_options *, const u_char *, u_int, u_int);
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extern u_int token_print(netdissect_options *, const u_char *, u_int, u_int);
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extern void udld_print(netdissect_options *, const u_char *, u_int);
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extern void udp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
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extern int vjc_print(netdissect_options *, register const char *, u_short);
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extern void vqp_print(netdissect_options *, register const u_char *, register u_int);
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extern void vrrp_print(netdissect_options *, const u_char *, u_int, const u_char *, int);
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extern void vtp_print(netdissect_options *, const u_char *, u_int);
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extern void vxlan_print(netdissect_options *, const u_char *, u_int);
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extern void wb_print(netdissect_options *, const void *, u_int);
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extern void zephyr_print(netdissect_options *, const u_char *, int);
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extern void zmtp1_print(netdissect_options *, const u_char *, u_int);
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extern void zmtp1_print_datagram(netdissect_options *, const u_char *, const u_int);
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/* checksum routines */
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extern void init_checksum(void);
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extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
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extern uint16_t create_osi_cksum(const uint8_t *, int, int);
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struct cksum_vec {
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const uint8_t *ptr;
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int len;
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};
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extern uint16_t in_cksum(const struct cksum_vec *, int);
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extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);
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extern int nextproto4_cksum(netdissect_options *, const struct ip *, const uint8_t *, u_int, u_int, u_int);
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/* Utilities */
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extern int mask2plen(uint32_t);
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extern int mask62plen(const u_char *);
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extern const char *dnname_string(netdissect_options *, u_short);
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extern const char *dnnum_string(netdissect_options *, u_short);
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extern char *smb_errstr(int, int);
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extern const char *nt_errstr(uint32_t);
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extern int decode_prefix4(netdissect_options *, const u_char *, u_int, char *, u_int);
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extern int decode_prefix6(netdissect_options *, const u_char *, u_int, char *, u_int);
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extern void esp_print_decodesecret(netdissect_options *);
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extern int esp_print_decrypt_buffer_by_ikev2(netdissect_options *, int,
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u_char spii[8], u_char spir[8],
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const u_char *, const u_char *);
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#endif /* netdissect_h */
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