/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1991, 1993, 1994, 1995, 1996 * 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 const char rcsid[] = "@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/print-null.c,v 1.1.1.1 1999/05/02 03:58:34 wsanchez Exp $ (LBL)"; #endif #include <sys/param.h> #include <sys/time.h> #include <sys/socket.h> #include <sys/file.h> #include <sys/ioctl.h> #if __STDC__ struct mbuf; struct rtentry; #endif #include <net/if.h> #include <netinet/in.h> #include <netinet/in_systm.h> #include <netinet/ip.h> #include <netinet/if_ether.h> #include <netinet/ip_var.h> #include <netinet/udp.h> #include <netinet/udp_var.h> #include <netinet/tcp.h> #include <netinet/tcpip.h> #include <pcap.h> #include <stdio.h> #include <string.h> #include "addrtoname.h" #include "interface.h" #define NULL_HDRLEN 4 #ifndef AF_NS #define AF_NS 6 /* XEROX NS protocols */ #endif static void null_print(const u_char *p, const struct ip *ip, u_int length) { u_int family; memcpy((char *)&family, (char *)p, sizeof(family)); if (nflag) { /* XXX just dump the header */ return; } switch (family) { case AF_INET: printf("ip: "); break; case AF_NS: printf("ns: "); break; default: printf("AF %d: ", family); break; } } void null_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) { u_int length = h->len; u_int caplen = h->caplen; const struct ip *ip; ts_print(&h->ts); /* * Some printers want to get back at the link level addresses, * and/or check that they're not walking off the end of the packet. * Rather than pass them all the way down, we set these globals. */ packetp = p; snapend = p + caplen; length -= NULL_HDRLEN; ip = (struct ip *)(p + NULL_HDRLEN); if (eflag) null_print(p, ip, length); ip_print((const u_char *)ip, length); if (xflag) default_print((const u_char *)ip, caplen - NULL_HDRLEN); putchar('\n'); }