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authormcr <mcr>1999-10-07 23:47:09 +0000
committermcr <mcr>1999-10-07 23:47:09 +0000
commitf555c163f90c9de17ebcef8313f86404c5174ca9 (patch)
treed039217784b67ee5dd91bc7a5bbc480d91c04356 /print-atm.c
downloadtcpdump-f555c163f90c9de17ebcef8313f86404c5174ca9.tar.gz
Initial revision
Diffstat (limited to 'print-atm.c')
-rw-r--r--print-atm.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/print-atm.c b/print-atm.c
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+/*
+ * 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');
+}