GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/tcpdump/print-atm.c Lines: 0 46 0.0 %
Date: 2017-11-13 Branches: 0 27 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: print-atm.c,v 1.12 2015/01/16 06:40:21 deraadt Exp $	*/
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/*
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 * Copyright (c) 1994, 1995, 1996, 1997
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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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#include <sys/time.h>
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#include <sys/socket.h>
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struct mbuf;
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struct rtentry;
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.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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#include <netinet/tcp.h>
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#include <stdio.h>
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#include <pcap.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "ethertype.h"
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/*
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 * This is the top level routine of the printer.  'p' is the points
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 * to the LLC/SNAP header of the packet, 'tvp' is the timestamp,
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 * 'length' is the length of the packet off the wire, and 'caplen'
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 * is the number of bytes actually captured.
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 */
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void
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atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
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{
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	u_int caplen = h->caplen;
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	u_int length = h->len;
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	u_short ethertype;
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	ts_print(&h->ts);
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	if (caplen < 8) {
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		printf("[|atm]");
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		goto out;
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	}
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	if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) {
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		/*XXX assume 802.6 MAC header from fore driver */
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#define MIN_ATM_8026_HDRLEN (20 + 8)
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		if (caplen < MIN_ATM_8026_HDRLEN) {
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			printf("[|atm]");
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			goto out;
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		}
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		if (eflag)
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			printf("%04x%04x %04x%04x ",
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			       p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3],
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			       p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7],
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			       p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11],
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			       p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]);
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		p += 20;
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		length -= 20;
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		caplen -= 20;
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	}
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	ethertype = p[6] << 8 | p[7];
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	if (eflag)
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		printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
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		       p[0], p[1], p[2], /* dsap/ssap/ctrl */
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		       p[3], p[4], p[5], /* manufacturer's code */
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		       ethertype);
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	/*
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	 * Some printers want to get back at the ethernet 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 -= 8;
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	caplen -= 8;
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	p += 8;
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	switch (ethertype) {
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	case ETHERTYPE_IP:
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		ip_print(p, length);
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		break;
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#ifdef INET6
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	case ETHERTYPE_IPV6:
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		ip6_print(p, length);
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		break;
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#endif /*INET6*/
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		/*XXX this probably isn't right */
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	case ETHERTYPE_ARP:
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	case ETHERTYPE_REVARP:
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		arp_print(p, length, caplen);
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		break;
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#ifdef notyet
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	case ETHERTYPE_DN:
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		decnet_print(p, length, caplen);
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		break;
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	case ETHERTYPE_ATALK:
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		if (vflag)
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			fputs("et1 ", stdout);
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		atalk_print(p, length);
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		break;
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	case ETHERTYPE_AARP:
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		aarp_print(p, length);
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		break;
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	case ETHERTYPE_LAT:
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	case ETHERTYPE_MOPRC:
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	case ETHERTYPE_MOPDL:
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		/* default_print for now */
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#endif
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	default:
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		/* ether_type not known, print raw packet */
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		if (!eflag)
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			printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
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			       p[0], p[1], p[2], /* dsap/ssap/ctrl */
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			       p[3], p[4], p[5], /* manufacturer's code */
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			       ethertype);
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		if (!xflag && !qflag)
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			default_print(p, caplen);
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	}
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	if (xflag)
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		default_print(p, caplen);
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 out:
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	putchar('\n');
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}