diff options
author | mcr <mcr> | 1999-10-07 23:47:09 +0000 |
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committer | mcr <mcr> | 1999-10-07 23:47:09 +0000 |
commit | f555c163f90c9de17ebcef8313f86404c5174ca9 (patch) | |
tree | d039217784b67ee5dd91bc7a5bbc480d91c04356 /print-atm.c | |
download | tcpdump-f555c163f90c9de17ebcef8313f86404c5174ca9.tar.gz |
Initial revision
Diffstat (limited to 'print-atm.c')
-rw-r--r-- | print-atm.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/print-atm.c b/print-atm.c new file mode 100644 index 00000000..6d6463c9 --- /dev/null +++ b/print-atm.c @@ -0,0 +1,148 @@ +/* + * Copyright (c) 1994, 1995, 1996, 1997 + * 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: /tcpdump/master/tcpdump/print-atm.c,v 1.9 1999-10-07 23:47:11 mcr Exp $ (LBL)"; +#endif + +#include <sys/param.h> +#include <sys/time.h> +#include <sys/socket.h> + +#if __STDC__ +struct mbuf; +struct rtentry; +#endif +#include <net/if.h> + +#include <netinet/in.h> +#include <netinet/if_ether.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> +#include <netinet/tcp.h> +#include <netinet/tcpip.h> + +#include <stdio.h> +#include <pcap.h> + +#include "interface.h" +#include "addrtoname.h" +#include "ethertype.h" + +/* + * This is the top level routine of the printer. 'p' is the points + * to the LLC/SNAP header of the packet, 'tvp' is the timestamp, + * 'length' is the length of the packet off the wire, and 'caplen' + * is the number of bytes actually captured. + */ +void +atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) +{ + u_int caplen = h->caplen; + u_int length = h->len; + u_short ethertype; + + ts_print(&h->ts); + + if (caplen < 8) { + printf("[|atm]"); + goto out; + } + if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) { + /*XXX assume 802.6 MAC header from fore driver */ + if (eflag) + printf("%04x%04x %04x%04x ", + p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3], + p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7], + p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11], + p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]); + p += 20; + length -= 20; + caplen -= 20; + } + ethertype = p[6] << 8 | p[7]; + if (eflag) + printf("%02x %02x %02x %02x-%02x-%02x %04x: ", + p[0], p[1], p[2], /* dsap/ssap/ctrl */ + p[3], p[4], p[5], /* manufacturer's code */ + ethertype); + + /* + * Some printers want to get back at the ethernet 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 -= 8; + caplen -= 8; + p += 8; + + switch (ethertype) { + + case ETHERTYPE_IP: + ip_print(p, length); + break; + + /*XXX this probably isn't right */ + case ETHERTYPE_ARP: + case ETHERTYPE_REVARP: + arp_print(p, length, caplen); + break; +#ifdef notyet + case ETHERTYPE_DN: + decnet_print(p, length, caplen); + break; + + case ETHERTYPE_ATALK: + if (vflag) + fputs("et1 ", stdout); + atalk_print(p, length); + break; + + case ETHERTYPE_AARP: + aarp_print(p, length); + break; + + case ETHERTYPE_LAT: + case ETHERTYPE_MOPRC: + case ETHERTYPE_MOPDL: + /* default_print for now */ +#endif + default: + /* ether_type not known, print raw packet */ + if (!eflag) + printf("%02x %02x %02x %02x-%02x-%02x %04x: ", + p[0], p[1], p[2], /* dsap/ssap/ctrl */ + p[3], p[4], p[5], /* manufacturer's code */ + ethertype); + if (!xflag && !qflag) + default_print(p, caplen); + } + if (xflag) + default_print(p, caplen); + out: + putchar('\n'); +} |