00cef679df
Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will only support Ethernet. Tcpdump itself should be ok, but libpcap needs lot of work. For the detailed change history, look at the commit log entries for the is-newarp branch.
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/* $NetBSD: print-null.c,v 1.4 1997/03/15 18:37:57 is Exp $ */
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/*
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* Copyright (c) 1991, 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)
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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 lint
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static char rcsid[] =
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"@(#)Header: print-null.c,v 1.14 94/06/10 17:01:35 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/socket.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <net/if.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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#ifdef __NetBSD__
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#include <net/if_ether.h>
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#else
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#include <netinet/if_ether.h>
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#endif
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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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#include <netinet/tcp.h>
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#include <netinet/tcpip.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 "pcap.h"
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#define NULL_HDRLEN 4
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static void
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null_print(const u_char *p, const struct ip *ip, int length)
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{
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u_int family;
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bcopy(p, &family, sizeof(family));
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if (nflag) {
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/* XXX just dump the header */
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return;
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}
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switch (family) {
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case AF_INET:
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printf("ip: ");
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break;
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case AF_NS:
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printf("ns: ");
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break;
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default:
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printf("AF %d: ", family);
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break;
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}
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}
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void
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null_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
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{
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int length = h->len;
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int caplen = h->caplen;
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const struct ip *ip;
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ts_print(&h->ts);
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/*
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* Some printers want to get back at the link level addresses,
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* and/or check that they're not walking off the end of the packet.
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* Rather than pass them all the way down, we set these globals.
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*/
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packetp = p;
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snapend = p + caplen;
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length -= NULL_HDRLEN;
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ip = (struct ip *)(p + NULL_HDRLEN);
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if (eflag)
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null_print(p, ip, length);
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ip_print((const u_char *)ip, length);
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if (xflag)
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default_print((const u_char *)ip, caplen - NULL_HDRLEN);
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putchar('\n');
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}
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