mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-27 03:53:53 +08:00
ASCII patches for tcpdump.
AH/ESP printing.
This commit is contained in:
mcr
parent
f6fa6a40d4
commit
2d86b23ecd
@ -17,7 +17,7 @@
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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/Makefile.in,v 1.208 1999-10-09 23:57:19 mcr Exp $ (LBL)
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# @(#) $Header: /tcpdump/master/tcpdump/Makefile.in,v 1.209 1999-10-17 21:56:53 mcr Exp $ (LBL)
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#
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# Various configurable paths (remember to edit Makefile.in, not Makefile)
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@ -66,7 +66,8 @@ INSTALL = @INSTALL@
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CSRC = tcpdump.c \
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print-arp.c print-atalk.c print-atm.c print-bootp.c \
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print-decnet.c print-domain.c print-dvmrp.c print-egp.c \
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print-ether.c print-fddi.c print-gre.c print-icmp.c \
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print-ether.c print-fddi.c print-isakmp.c print-ah.c print-esp.c \
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print-gre.c print-icmp.c \
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print-igrp.c print-ip.c print-ipx.c print-isoclns.c print-krb.c \
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print-llc.c print-nfs.c print-ntp.c print-null.c print-ospf.c \
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print-pim.c print-ppp.c print-raw.c print-rip.c print-sl.c \
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157
interface.h
157
interface.h
@ -1,5 +1,7 @@
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/* $NetBSD: interface.h,v 1.2 1995/03/06 19:10:18 mycroft Exp $ */
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/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
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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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@ -18,26 +20,33 @@
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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 1.106 1999-10-17 21:37:10 mcr Exp $ (LBL)
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* @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.107 1999-10-17 21:56:53 mcr Exp $ (LBL)
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*/
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#ifndef tcpdump_interface_h
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#define tcpdump_interface_h
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#include "gnuc.h"
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#ifdef HAVE_OS_PROTO_H
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#include "os-proto.h"
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#ifdef __GNUC__
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#define inline __inline
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#ifndef __dead
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#define __dead volatile
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#endif
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#else
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#define inline
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#define __dead
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#endif
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struct tok {
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#include "os.h" /* operating system stuff */
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#include "md.h" /* machine dependent stuff */
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#ifndef SIGRET
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#define SIGRET void /* default */
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#endif
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struct token {
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int v; /* value */
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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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@ -109,47 +118,38 @@ extern int packettype; /* as specified by -T */
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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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/* True if "l" bytes of "var" were captured */
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#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
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extern int fddipad; /* alignment offset for FDDI headers, in bytes */
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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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#ifdef __STDC__
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/* Eliminate some bogus warnings. */
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struct timeval;
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#endif
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typedef void (*printfunc)(u_char *, struct timeval *, int, int);
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extern void ts_print(const struct timeval *);
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extern int clock_sigfigs(void);
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int gmt2local(void);
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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 *tok2str(const struct token *, const char *, int);
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extern char *dnaddr_string(u_short);
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extern char *savestr(const char *);
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extern int initdevice(char *, int, int *);
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extern void wrapup(int);
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#if __STDC__
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extern __dead void error(const char *, ...)
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__attribute__((volatile, format (printf, 1, 2)));
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extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
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#endif
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extern __dead void error(char *, ...);
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extern void warning(char *, ...);
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extern char *read_infile(char *);
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extern char *copy_argv(char **);
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extern void usage(void);
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extern char *isonsap_string(const u_char *);
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extern char *llcsap_string(u_char);
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extern char *protoid_string(const u_char *);
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@ -158,52 +158,57 @@ extern char *dnnum_string(u_short);
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/* The printer routines. */
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#ifdef __STDC__
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struct pcap_pkthdr;
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#endif
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extern int ether_encap_print(u_short, const u_char *, u_int, u_int);
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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 *);
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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 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 ether_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 gre_print(const u_char *, u_int);
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extern void icmp_print(const u_char *, const u_char *);
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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 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 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 pim_print(const u_char *, u_int);
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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 null_if_print(u_char *, const struct pcap_pkthdr *, const u_char*);
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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_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
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const u_char *);
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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 sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
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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 *);
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extern void tftp_print(const u_char *, u_int);
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extern void udp_print(const u_char *, u_int, const u_char *);
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extern void wb_print(const void *, u_int);
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extern void arp_print(const u_char *, int, int);
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extern void ip_print(const u_char *, int);
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extern void tcp_print(const u_char *, int, const u_char *);
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extern void udp_print(const u_char *, int, const u_char *);
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extern void icmp_print(const u_char *, const u_char *);
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extern void default_print(const u_char *, int);
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extern void default_print_unaligned(const u_char *, int);
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extern void aarp_print(const u_char *, int);
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extern void atalk_print(const u_char *, int);
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extern void bootp_print(const u_char *, int, u_short, u_short);
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extern void decnet_print(const u_char *, int, int);
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extern void egp_print(const u_char *, int, const u_char *);
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extern int ether_encap_print(u_short, const u_char *, int, int);
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extern void ipx_print(const u_char *, int length);
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extern void isoclns_print(const u_char *, int, int,
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const u_char *, const u_char *);
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extern int llc_print(const u_char *, int, int, const u_char *, const u_char *);
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extern void nfsreply_print(const u_char *, int, const u_char *);
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extern void nfsreq_print(const u_char *, int, const u_char *);
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extern void ns_print(const u_char *, int);
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extern void ntp_print(const u_char *, int);
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extern void ospf_print(const u_char *, int, const u_char *);
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extern void rip_print(const u_char *, int);
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extern void snmp_print(const u_char *, int);
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extern void sunrpcrequest_print(const u_char *, int, const u_char *);
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extern void tftp_print(const u_char *, int);
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extern void wb_print(const void *, int);
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extern void print_ipproto(u_int proto, const struct ip *ip, const u_char *cp, int len);
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#define min(a,b) ((a)>(b)?(b):(a))
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#define max(a,b) ((b)>(a)?(b):(a))
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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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* In particular, it allows for an ethernet header, tcp/ip header, and
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* 14 bytes of data (assuming no ip options).
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*/
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#define DEFAULT_SNAPLEN 512
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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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101
print-ah.c
Normal file
101
print-ah.c
Normal file
@ -0,0 +1,101 @@
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/* $NetBSD: print-ah.c,v 1.4 1996/05/20 00:41:16 fvdl Exp $ */
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/*
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
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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)
|
||||
* 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
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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 lint
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static char rcsid[] =
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"@(#) Header: print-ah.c,v 1.37 94/06/10 17:01:42 mccanne Exp (LBL)";
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#endif
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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#undef NOERROR /* Solaris sucks */
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#include <arpa/nameser.h>
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#include <arpa/tftp.h>
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#ifdef SOLARIS
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#include <tiuser.h>
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#endif
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#include <rpc/rpc.h>
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#include <errno.h>
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#include <stdio.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "appletalk.h"
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#include "nfs.h"
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#include "bootp.h"
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extern int packettype;
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void
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ah_print(register const u_char *bp, int length, register const u_char *bp2)
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{
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register const struct ip *ip;
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register const u_char *cp, *nh;
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u_short nextheader;
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u_short ahlen, authlen;
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u_long spi, seqno;
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ip = (struct ip *)bp2;
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(void)printf("AH %s > %s\n\t\t",
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ipaddr_string(&ip->ip_src),
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ipaddr_string(&ip->ip_dst));
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if (length < 8) {
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(void)printf(" [|ah] truncated-ah %d", length);
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return;
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}
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nextheader = bp[0];
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ahlen = bp[1];
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spi = ntohl(*((u_long *)(bp+4)));
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seqno = ntohl(*((u_long *)(bp+8)));
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authlen = ahlen - 12;
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nh = bp+ahlen;
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if(authlen > length || authlen == 0)
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{
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authlen = length;
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}
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(void)printf("spi:%08x seqno:%d authlen: %d authdata: ", spi,
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seqno, authlen);
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(void)default_print_unaligned(bp+12, authlen);
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(void)print_ipproto(nextheader, ip, nh, length-authlen);
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}
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91
print-esp.c
Normal file
91
print-esp.c
Normal file
@ -0,0 +1,91 @@
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/* $NetBSD: print-ah.c,v 1.4 1996/05/20 00:41:16 fvdl Exp $ */
|
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|
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/*
|
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* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that: (1) source code distributions
|
||||
* retain the above copyright notice and this paragraph in its entirety, (2)
|
||||
* distributions including binary code include the above copyright notice and
|
||||
* this paragraph in its entirety in the documentation or other materials
|
||||
* provided with the distribution, and (3) all advertising materials mentioning
|
||||
* features or use of this software display the following acknowledgement:
|
||||
* ``This product includes software developed by the University of California,
|
||||
* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
||||
* the University nor the names of its contributors may be used to endorse
|
||||
* or promote products derived from this software without specific prior
|
||||
* written permission.
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||||
*/
|
||||
|
||||
#ifndef lint
|
||||
static char rcsid[] =
|
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"@(#) Header: print-ah.c,v 1.37 94/06/10 17:01:42 mccanne Exp (LBL)";
|
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#endif
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/types.h>
|
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#include <sys/socket.h>
|
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|
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#include <netinet/udp.h>
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#include <netinet/udp_var.h>
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|
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#undef NOERROR /* Solaris sucks */
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#include <arpa/nameser.h>
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#include <arpa/tftp.h>
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|
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#ifdef SOLARIS
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#include <tiuser.h>
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#endif
|
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#include <rpc/rpc.h>
|
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|
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#include <errno.h>
|
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#include <stdio.h>
|
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|
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#include "interface.h"
|
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#include "addrtoname.h"
|
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#include "appletalk.h"
|
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|
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#include "nfs.h"
|
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#include "bootp.h"
|
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|
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extern int packettype;
|
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|
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|
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void
|
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esp_print(register const u_char *bp, int length, register const u_char *bp2)
|
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{
|
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register const struct ip *ip;
|
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register const u_char *cp, *nh;
|
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u_short ahlen, authlen;
|
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u_long spi, seqno;
|
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|
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ip = (struct ip *)bp2;
|
||||
|
||||
(void)printf("ESP %s > %s\n\t\t",
|
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ipaddr_string(&ip->ip_src),
|
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ipaddr_string(&ip->ip_dst));
|
||||
|
||||
if (length < 8) {
|
||||
(void)printf(" [|esp] truncated-esp %d", length);
|
||||
return;
|
||||
}
|
||||
|
||||
spi = ntohl(*((u_long *)(bp)));
|
||||
seqno = ntohl(*((u_long *)(bp+4)));
|
||||
|
||||
nh = bp+ahlen;
|
||||
|
||||
(void)printf("spi:%08x seqno:%d ciphertext: ", spi, seqno);
|
||||
(void)default_print_unaligned(bp+8, length-8);
|
||||
|
||||
/* XXX it would be nice to decrypt! */
|
||||
}
|
||||
388
print-ip.c
388
print-ip.c
@ -1,5 +1,7 @@
|
||||
/* $NetBSD: print-ip.c,v 1.4 1995/04/24 13:27:43 cgd Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
|
||||
* Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
@ -21,11 +23,12 @@
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-ip.c,v 1.67 1999-10-17 21:37:13 mcr Exp $ (LBL)";
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-ip.c,v 1.68 1999-10-17 21:56:54 mcr Exp $ (LBL)";
|
||||
#endif
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
|
||||
#include <netinet/in.h>
|
||||
@ -34,160 +37,49 @@ static const char rcsid[] =
|
||||
#include <netinet/udp.h>
|
||||
#include <netinet/tcp.h>
|
||||
|
||||
#ifdef HAVE_MALLOC_H
|
||||
#include <malloc.h>
|
||||
#endif
|
||||
#include <stdio.h>
|
||||
#ifdef __STDC__
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#endif
|
||||
#include <unistd.h>
|
||||
|
||||
#include "addrtoname.h"
|
||||
#include "interface.h"
|
||||
#include "extract.h" /* must come after interface.h */
|
||||
|
||||
/* Compatibility */
|
||||
#ifndef IPPROTO_ND
|
||||
#define IPPROTO_ND 77
|
||||
#endif
|
||||
|
||||
#ifndef IN_CLASSD
|
||||
#define IN_CLASSD(i) (((int32_t)(i) & 0xf0000000) == 0xe0000000)
|
||||
#endif
|
||||
|
||||
/* (following from ipmulti/mrouted/prune.h) */
|
||||
|
||||
/*
|
||||
* The packet format for a traceroute request.
|
||||
*/
|
||||
struct tr_query {
|
||||
u_int tr_src; /* traceroute source */
|
||||
u_int tr_dst; /* traceroute destination */
|
||||
u_int tr_raddr; /* traceroute response address */
|
||||
#ifdef WORDS_BIGENDIAN
|
||||
struct {
|
||||
u_int ttl : 8; /* traceroute response ttl */
|
||||
u_int qid : 24; /* traceroute query id */
|
||||
} q;
|
||||
#else
|
||||
struct {
|
||||
u_int qid : 24; /* traceroute query id */
|
||||
u_int ttl : 8; /* traceroute response ttl */
|
||||
} q;
|
||||
#endif
|
||||
};
|
||||
|
||||
#define tr_rttl q.ttl
|
||||
#define tr_qid q.qid
|
||||
|
||||
/*
|
||||
* Traceroute response format. A traceroute response has a tr_query at the
|
||||
* beginning, followed by one tr_resp for each hop taken.
|
||||
*/
|
||||
struct tr_resp {
|
||||
u_int tr_qarr; /* query arrival time */
|
||||
u_int tr_inaddr; /* incoming interface address */
|
||||
u_int tr_outaddr; /* outgoing interface address */
|
||||
u_int tr_rmtaddr; /* parent address in source tree */
|
||||
u_int tr_vifin; /* input packet count on interface */
|
||||
u_int tr_vifout; /* output packet count on interface */
|
||||
u_int tr_pktcnt; /* total incoming packets for src-grp */
|
||||
u_char tr_rproto; /* routing proto deployed on router */
|
||||
u_char tr_fttl; /* ttl required to forward on outvif */
|
||||
u_char tr_smask; /* subnet mask for src addr */
|
||||
u_char tr_rflags; /* forwarding error codes */
|
||||
};
|
||||
|
||||
/* defs within mtrace */
|
||||
#define TR_QUERY 1
|
||||
#define TR_RESP 2
|
||||
|
||||
/* fields for tr_rflags (forwarding error codes) */
|
||||
#define TR_NO_ERR 0
|
||||
#define TR_WRONG_IF 1
|
||||
#define TR_PRUNED 2
|
||||
#define TR_OPRUNED 3
|
||||
#define TR_SCOPED 4
|
||||
#define TR_NO_RTE 5
|
||||
#define TR_NO_FWD 7
|
||||
#define TR_NO_SPACE 0x81
|
||||
#define TR_OLD_ROUTER 0x82
|
||||
|
||||
/* fields for tr_rproto (routing protocol) */
|
||||
#define TR_PROTO_DVMRP 1
|
||||
#define TR_PROTO_MOSPF 2
|
||||
#define TR_PROTO_PIM 3
|
||||
#define TR_PROTO_CBT 4
|
||||
|
||||
static void print_mtrace(register const u_char *bp, register u_int len)
|
||||
{
|
||||
register struct tr_query *tr = (struct tr_query *)(bp + 8);
|
||||
|
||||
printf("mtrace %d: %s to %s reply-to %s", tr->tr_qid,
|
||||
ipaddr_string(&tr->tr_src), ipaddr_string(&tr->tr_dst),
|
||||
ipaddr_string(&tr->tr_raddr));
|
||||
if (IN_CLASSD(ntohl(tr->tr_raddr)))
|
||||
printf(" with-ttl %d", tr->tr_rttl);
|
||||
}
|
||||
|
||||
static void print_mresp(register const u_char *bp, register u_int len)
|
||||
{
|
||||
register struct tr_query *tr = (struct tr_query *)(bp + 8);
|
||||
|
||||
printf("mresp %d: %s to %s reply-to %s", tr->tr_qid,
|
||||
ipaddr_string(&tr->tr_src), ipaddr_string(&tr->tr_dst),
|
||||
ipaddr_string(&tr->tr_raddr));
|
||||
if (IN_CLASSD(ntohl(tr->tr_raddr)))
|
||||
printf(" with-ttl %d", tr->tr_rttl);
|
||||
}
|
||||
#include "addrtoname.h"
|
||||
|
||||
static void
|
||||
igmp_print(register const u_char *bp, register u_int len,
|
||||
igmp_print(register const u_char *bp, register int len,
|
||||
register const u_char *bp2)
|
||||
{
|
||||
register const struct ip *ip;
|
||||
register const u_char *ep;
|
||||
|
||||
ip = (const struct ip *)bp2;
|
||||
ep = (const u_char *)snapend;
|
||||
(void)printf("%s > %s: ",
|
||||
ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
|
||||
TCHECK2(bp[0], 8);
|
||||
switch (bp[0]) {
|
||||
case 0x11:
|
||||
if (bp + 7 > ep) {
|
||||
(void)printf("[|igmp]");
|
||||
return;
|
||||
}
|
||||
switch (bp[0] & 0xf) {
|
||||
case 1:
|
||||
(void)printf("igmp query");
|
||||
if (*(int *)&bp[4])
|
||||
(void)printf(" [gaddr %s]", ipaddr_string(&bp[4]));
|
||||
if (len != 8)
|
||||
(void)printf(" [len %d]", len);
|
||||
break;
|
||||
case 0x12:
|
||||
case 2:
|
||||
(void)printf("igmp report %s", ipaddr_string(&bp[4]));
|
||||
if (len != 8)
|
||||
(void)printf(" [len %d]", len);
|
||||
break;
|
||||
case 0x16:
|
||||
(void)printf("igmp nreport %s", ipaddr_string(&bp[4]));
|
||||
break;
|
||||
case 0x17:
|
||||
(void)printf("igmp leave %s", ipaddr_string(&bp[4]));
|
||||
break;
|
||||
case 0x13:
|
||||
(void)printf("igmp dvmrp");
|
||||
case 3:
|
||||
(void)printf("igmp dvmrp %s", ipaddr_string(&bp[4]));
|
||||
if (len < 8)
|
||||
(void)printf(" [len %d]", len);
|
||||
else
|
||||
dvmrp_print(bp, len);
|
||||
break;
|
||||
case 0x14:
|
||||
(void)printf("igmp pim");
|
||||
pim_print(bp, len);
|
||||
break;
|
||||
case 0x1e:
|
||||
print_mresp(bp, len);
|
||||
break;
|
||||
case 0x1f:
|
||||
print_mtrace(bp, len);
|
||||
break;
|
||||
default:
|
||||
(void)printf("igmp-%d", bp[0] & 0xf);
|
||||
@ -195,37 +87,18 @@ igmp_print(register const u_char *bp, register u_int len,
|
||||
}
|
||||
if ((bp[0] >> 4) != 1)
|
||||
(void)printf(" [v%d]", bp[0] >> 4);
|
||||
|
||||
TCHECK2(bp[0], len);
|
||||
if (vflag) {
|
||||
/* Check the IGMP checksum */
|
||||
u_int32_t sum = 0;
|
||||
int count;
|
||||
const u_short *sp = (u_short *)bp;
|
||||
|
||||
for (count = len / 2; --count >= 0; )
|
||||
sum += *sp++;
|
||||
if (len & 1)
|
||||
sum += ntohs(*(u_char *) sp << 8);
|
||||
while (sum >> 16)
|
||||
sum = (sum & 0xffff) + (sum >> 16);
|
||||
sum = 0xffff & ~sum;
|
||||
if (sum != 0)
|
||||
printf(" bad igmp cksum %x!", EXTRACT_16BITS(&bp[2]));
|
||||
}
|
||||
return;
|
||||
trunc:
|
||||
fputs("[|igmp]", stdout);
|
||||
if (bp[1])
|
||||
(void)printf(" [b1=0x%x]", bp[1]);
|
||||
}
|
||||
|
||||
/*
|
||||
* print the recorded route in an IP RR, LSRR or SSRR option.
|
||||
*/
|
||||
static void
|
||||
ip_printroute(const char *type, register const u_char *cp, u_int length)
|
||||
ip_printroute(const char *type, register const u_char *cp, int length)
|
||||
{
|
||||
register u_int ptr = cp[2] - 1;
|
||||
register u_int len;
|
||||
int ptr = cp[2] - 1;
|
||||
int len;
|
||||
|
||||
printf(" %s{", type);
|
||||
if ((length + 1) & 3)
|
||||
@ -237,7 +110,15 @@ ip_printroute(const char *type, register const u_char *cp, u_int length)
|
||||
for (len = 3; len < length; len += 4) {
|
||||
if (ptr == len)
|
||||
type = "#";
|
||||
#ifdef TCPDUMP_ALIGN
|
||||
{
|
||||
struct in_addr addr;
|
||||
bcopy((char *)&cp[len], (char *)&addr, sizeof(addr));
|
||||
printf("%s%s", type, ipaddr_string(&addr));
|
||||
}
|
||||
#else
|
||||
printf("%s%s", type, ipaddr_string(&cp[len]));
|
||||
#endif
|
||||
type = " ";
|
||||
}
|
||||
printf("%s}", ptr == len? "#" : "");
|
||||
@ -247,18 +128,14 @@ ip_printroute(const char *type, register const u_char *cp, u_int length)
|
||||
* print IP options.
|
||||
*/
|
||||
static void
|
||||
ip_optprint(register const u_char *cp, u_int length)
|
||||
ip_optprint(register const u_char *cp, int length)
|
||||
{
|
||||
register u_int len;
|
||||
int len;
|
||||
|
||||
for (; length > 0; cp += len, length -= len) {
|
||||
int tt = *cp;
|
||||
|
||||
len = (tt == IPOPT_NOP || tt == IPOPT_EOL) ? 1 : cp[1];
|
||||
if (len <= 0) {
|
||||
printf("[|ip op len %d]", len);
|
||||
return;
|
||||
}
|
||||
if (&cp[1] >= snapend || cp + len > snapend) {
|
||||
printf("[|ip]");
|
||||
return;
|
||||
@ -311,7 +188,7 @@ static int
|
||||
in_cksum(const struct ip *ip)
|
||||
{
|
||||
register const u_short *sp = (u_short *)ip;
|
||||
register u_int32_t sum = 0;
|
||||
register u_int32 sum = 0;
|
||||
register int count;
|
||||
|
||||
/*
|
||||
@ -326,41 +203,107 @@ in_cksum(const struct ip *ip)
|
||||
return (sum);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
print_ipproto(u_int proto, const struct ip *ip,
|
||||
const u_char *cp, int len)
|
||||
{
|
||||
switch (proto) {
|
||||
case IPPROTO_TCP:
|
||||
tcp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
case IPPROTO_UDP:
|
||||
udp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
case IPPROTO_ICMP:
|
||||
icmp_print(cp, (const u_char *)ip);
|
||||
break;
|
||||
case IPPROTO_ND:
|
||||
(void)printf("%s > %s:", ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
(void)printf(" nd %d", len);
|
||||
break;
|
||||
case IPPROTO_EGP:
|
||||
egp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
#ifndef IPPROTO_OSPF
|
||||
#define IPPROTO_OSPF 89
|
||||
#endif
|
||||
case IPPROTO_OSPF:
|
||||
ospf_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
#ifndef IPPROTO_IGMP
|
||||
#define IPPROTO_IGMP 2
|
||||
#endif
|
||||
case IPPROTO_IGMP:
|
||||
igmp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
#ifndef IPPROTO_ENCAP
|
||||
#define IPPROTO_ENCAP 4
|
||||
#endif
|
||||
case IPPROTO_ENCAP:
|
||||
/* ip-in-ip encapsulation */
|
||||
if (vflag)
|
||||
(void)printf("%s > %s: ",
|
||||
ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
ip_print(cp, len);
|
||||
if (! vflag) {
|
||||
printf(" (encap)");
|
||||
return;
|
||||
}
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_ESP
|
||||
#define IPPROTO_ESP 50
|
||||
#endif
|
||||
case IPPROTO_ESP:
|
||||
esp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_AH
|
||||
#define IPPROTO_AH 51
|
||||
#endif
|
||||
case IPPROTO_AH:
|
||||
ah_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
default:
|
||||
(void)printf("%s > %s:", ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
(void)printf(" ip-proto-%d %d", proto, len);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* print an IP datagram.
|
||||
*/
|
||||
void
|
||||
ip_print(register const u_char *bp, register u_int length)
|
||||
ip_print(register const u_char *bp, register int length)
|
||||
{
|
||||
register const struct ip *ip;
|
||||
register u_int hlen, len, off;
|
||||
register int hlen;
|
||||
register int len;
|
||||
register int off;
|
||||
register const u_char *cp;
|
||||
|
||||
ip = (const struct ip *)bp;
|
||||
#ifdef LBL_ALIGN
|
||||
#ifdef TCPDUMP_ALIGN
|
||||
/*
|
||||
* If the IP header is not aligned, copy into abuf.
|
||||
* The IP header is not word aligned, so copy into abuf.
|
||||
* This will never happen with BPF. It does happen raw packet
|
||||
* dumps from -r.
|
||||
*/
|
||||
if ((long)ip & 3) {
|
||||
static u_char *abuf = NULL;
|
||||
static int didwarn = 0;
|
||||
if ((long)ip & (sizeof(long)-1)) {
|
||||
static u_char *abuf;
|
||||
|
||||
if (abuf == NULL) {
|
||||
if (abuf == 0)
|
||||
abuf = (u_char *)malloc(snaplen);
|
||||
if (abuf == NULL)
|
||||
error("ip_print: malloc");
|
||||
}
|
||||
memcpy((char *)abuf, (char *)ip, min(length, snaplen));
|
||||
bcopy((char *)ip, (char *)abuf, min(length, snaplen));
|
||||
snapend += abuf - (u_char *)ip;
|
||||
packetp = abuf;
|
||||
ip = (struct ip *)abuf;
|
||||
/* We really want libpcap to give us aligned packets */
|
||||
if (!didwarn) {
|
||||
warning("compensating for unaligned libpcap packets");
|
||||
++didwarn;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if ((u_char *)(ip + 1) > snapend) {
|
||||
@ -386,86 +329,7 @@ ip_print(register const u_char *bp, register u_int length)
|
||||
off = ntohs(ip->ip_off);
|
||||
if ((off & 0x1fff) == 0) {
|
||||
cp = (const u_char *)ip + hlen;
|
||||
switch (ip->ip_p) {
|
||||
|
||||
case IPPROTO_TCP:
|
||||
tcp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
case IPPROTO_UDP:
|
||||
udp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
case IPPROTO_ICMP:
|
||||
icmp_print(cp, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_IGRP
|
||||
#define IPPROTO_IGRP 9
|
||||
#endif
|
||||
case IPPROTO_IGRP:
|
||||
igrp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
case IPPROTO_ND:
|
||||
(void)printf("%s > %s:", ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
(void)printf(" nd %d", len);
|
||||
break;
|
||||
|
||||
case IPPROTO_EGP:
|
||||
egp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_OSPF
|
||||
#define IPPROTO_OSPF 89
|
||||
#endif
|
||||
case IPPROTO_OSPF:
|
||||
ospf_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_IGMP
|
||||
#define IPPROTO_IGMP 2
|
||||
#endif
|
||||
case IPPROTO_IGMP:
|
||||
igmp_print(cp, len, (const u_char *)ip);
|
||||
break;
|
||||
|
||||
case 4:
|
||||
/* DVMRP multicast tunnel (ip-in-ip encapsulation) */
|
||||
if (vflag)
|
||||
(void)printf("%s > %s: ",
|
||||
ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
ip_print(cp, len);
|
||||
if (! vflag) {
|
||||
printf(" (ipip)");
|
||||
return;
|
||||
}
|
||||
break;
|
||||
|
||||
#ifndef IPPROTO_GRE
|
||||
#define IPPROTO_GRE 47
|
||||
#endif
|
||||
case IPPROTO_GRE:
|
||||
if (vflag)
|
||||
(void)printf("gre %s > %s: ",
|
||||
ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
/* do it */
|
||||
gre_print(cp, len);
|
||||
if (! vflag) {
|
||||
printf(" (gre encap)");
|
||||
return;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
(void)printf("%s > %s:", ipaddr_string(&ip->ip_src),
|
||||
ipaddr_string(&ip->ip_dst));
|
||||
(void)printf(" ip-proto-%d %d", ip->ip_p, len);
|
||||
break;
|
||||
}
|
||||
print_ipproto(ip->ip_p, ip, cp, len);
|
||||
}
|
||||
/*
|
||||
* for fragmented datagrams, print id:size@offset. On all
|
||||
@ -504,13 +368,11 @@ ip_print(register const u_char *bp, register u_int length)
|
||||
(void)printf("%sid %d", sep, (int)ntohs(ip->ip_id));
|
||||
sep = ", ";
|
||||
}
|
||||
if ((u_char *)ip + hlen <= snapend) {
|
||||
sum = in_cksum(ip);
|
||||
if (sum != 0) {
|
||||
(void)printf("%sbad cksum %x!", sep,
|
||||
ntohs(ip->ip_sum));
|
||||
sep = ", ";
|
||||
}
|
||||
sum = in_cksum(ip);
|
||||
if (sum != 0) {
|
||||
(void)printf("%sbad cksum %x!", sep,
|
||||
ntohs(ip->ip_sum));
|
||||
sep = ", ";
|
||||
}
|
||||
if ((hlen -= sizeof(struct ip)) > 0) {
|
||||
(void)printf("%soptlen=%d", sep, hlen);
|
||||
|
||||
11
print-udp.c
11
print-udp.c
@ -21,7 +21,7 @@
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.61 1999-10-17 21:37:16 mcr Exp $ (LBL)";
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-udp.c,v 1.62 1999-10-17 21:56:54 mcr Exp $ (LBL)";
|
||||
#endif
|
||||
|
||||
#include <sys/param.h>
|
||||
@ -294,6 +294,10 @@ rtcp_print(const u_char *hdr, const u_char *ep)
|
||||
#define RIP_PORT 520 /*XXX*/
|
||||
#define KERBEROS_SEC_PORT 750 /*XXX*/
|
||||
|
||||
#define ISAKMP_PORT 500
|
||||
#define ISAKMP_UPORT1 7500
|
||||
#define ISAKMP_UPORT2 8500
|
||||
|
||||
void
|
||||
udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
|
||||
{
|
||||
@ -441,6 +445,11 @@ udp_print(register const u_char *bp, u_int length, register const u_char *bp2)
|
||||
ntp_print((const u_char *)(up + 1), length);
|
||||
else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
|
||||
krb_print((const void *)(up + 1), length);
|
||||
else if (ISPORT(ISAKMP_PORT) ||
|
||||
ISPORT(ISAKMP_UPORT1) ||
|
||||
ISPORT(ISAKMP_UPORT2)) {
|
||||
isakmp_print((const u_char *)(up + 1), length);
|
||||
}
|
||||
else if (dport == 3456)
|
||||
vat_print((const void *)(up + 1), length, up);
|
||||
/*
|
||||
|
||||
73
tcpdump.c
73
tcpdump.c
@ -24,7 +24,7 @@ static const char copyright[] =
|
||||
"@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997\n\
|
||||
The Regents of the University of California. All rights reserved.\n";
|
||||
static const char rcsid[] =
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/tcpdump.c,v 1.130 1999-10-17 21:37:17 mcr Exp $ (LBL)";
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/tcpdump.c,v 1.131 1999-10-17 21:56:54 mcr Exp $ (LBL)";
|
||||
#endif
|
||||
|
||||
/*
|
||||
@ -47,6 +47,9 @@ static const char rcsid[] =
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <netinet/in_systm.h>
|
||||
#include <netinet/ip.h>
|
||||
|
||||
#include "interface.h"
|
||||
#include "addrtoname.h"
|
||||
#include "machdep.h"
|
||||
@ -387,22 +390,42 @@ cleanup(int signo)
|
||||
void
|
||||
default_print_unaligned(register const u_char *cp, register u_int length)
|
||||
{
|
||||
register u_int i, s;
|
||||
register int nshorts;
|
||||
register u_int i, s;
|
||||
register int nshorts;
|
||||
|
||||
nshorts = (u_int) length / sizeof(u_short);
|
||||
i = 0;
|
||||
while (--nshorts >= 0) {
|
||||
if ((i++ % 8) == 0)
|
||||
(void)printf("\n\t\t\t");
|
||||
s = *cp++;
|
||||
(void)printf(" %02x%02x", s, *cp++);
|
||||
}
|
||||
if (length & 1) {
|
||||
if ((i % 8) == 0)
|
||||
(void)printf("\n\t\t\t");
|
||||
(void)printf(" %02x", *cp);
|
||||
}
|
||||
char line[81];
|
||||
|
||||
nshorts = (u_int) length / sizeof(u_short);
|
||||
i = 0;
|
||||
memset(line, ' ', 80);
|
||||
line[81]='\0';
|
||||
|
||||
putchar('\n');
|
||||
while (nshorts >= 0) {
|
||||
|
||||
snprintf(line+20+i*5, 7, "%02x%02x ", cp[0], cp[1]);
|
||||
|
||||
if(isprint(cp[0])) {
|
||||
line[62+i*2]=cp[0];
|
||||
} else {
|
||||
line[62+i*2]='.';
|
||||
}
|
||||
if(isprint(cp[1])) {
|
||||
line[62+i*2+1]=cp[1];
|
||||
} else {
|
||||
line[62+i*2+1]='.';
|
||||
}
|
||||
i++;
|
||||
if (i == 8) {
|
||||
line[60]=' ';
|
||||
line[61]=' ';
|
||||
line[62+16]='\0';
|
||||
puts(line);
|
||||
i=0;
|
||||
}
|
||||
cp += 2;
|
||||
nshorts--;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
@ -417,23 +440,7 @@ default_print(register const u_char *bp, register u_int length)
|
||||
register u_int i;
|
||||
register int nshorts;
|
||||
|
||||
if ((long)bp & 1) {
|
||||
default_print_unaligned(bp, length);
|
||||
return;
|
||||
}
|
||||
sp = (u_short *)bp;
|
||||
nshorts = (u_int) length / sizeof(u_short);
|
||||
i = 0;
|
||||
while (--nshorts >= 0) {
|
||||
if ((i++ % 8) == 0)
|
||||
(void)printf("\n\t\t\t");
|
||||
(void)printf(" %04x", ntohs(*sp++));
|
||||
}
|
||||
if (length & 1) {
|
||||
if ((i % 8) == 0)
|
||||
(void)printf("\n\t\t\t");
|
||||
(void)printf(" %02x", *(u_char *)sp);
|
||||
}
|
||||
default_print_unaligned(bp, length);
|
||||
}
|
||||
|
||||
__dead void
|
||||
|
||||
Loading…
Reference in New Issue
Block a user