--- /dev/null
+/*
+ * Copyright (c) 1982, 1986, 1993
+ * 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 the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Id: arcnet.h,v 1.1 2001-04-17 08:39:18 guy Exp $ (LBL)
+ *
+ * from: NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp
+ */
+
+/*
+ * Structure of a 2.5MB/s Arcnet header.
+ * as given to interface code.
+ */
+struct arc_header {
+ u_int8_t arc_shost;
+ u_int8_t arc_dhost;
+ u_int8_t arc_type;
+ /*
+ * only present for newstyle encoding with LL fragmentation.
+ * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
+ */
+ u_int8_t arc_flag;
+ u_int16_t arc_seqid;
+
+ /*
+ * only present in exception packets (arc_flag == 0xff)
+ */
+ u_int8_t arc_type2; /* same as arc_type */
+ u_int8_t arc_flag2; /* real flag value */
+ u_int16_t arc_seqid2; /* real seqid value */
+} __attribute__((__packed__));
+
+#define ARC_HDRLEN 3
+#define ARC_HDRNEWLEN 6
+#define ARC_HDRNEWLEN_EXC 10
+
+/* RFC 1051 */
+#define ARCTYPE_IP_OLD 240 /* IP protocol */
+#define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
+
+/* RFC 1201 */
+#define ARCTYPE_IP 212 /* IP protocol */
+#define ARCTYPE_ARP 213 /* address resolution protocol */
+#define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
+
+#define ARCTYPE_ATALK 221 /* Appletalk */
+#define ARCTYPE_BANIAN 247 /* Banyan Vines */
+#define ARCTYPE_IPX 250 /* Novell IPX */
+
+#define ARCTYPE_INET6 0xc4 /* IPng */
+#define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
--- /dev/null
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 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.
+ *
+ * From: NetBSD: print-arcnet.c,v 1.2 2000/04/24 13:02:28 itojun Exp
+ */
+#ifndef lint
+static const char rcsid[] =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-arcnet.c,v 1.1 2001-04-17 08:39:19 guy Exp $ (LBL)";
+#endif
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+struct mbuf;
+struct rtentry;
+
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <pcap.h>
+
+#include "interface.h"
+#include "arcnet.h"
+
+const u_char *packetp;
+const u_char *snapend;
+
+int arcnet_encap_print(u_char arctype, const u_char *p,
+ u_int length, u_int caplen);
+
+struct arctype_map {
+ const int arctype;
+ char * const name;
+} arctypemap[] = {
+ { ARCTYPE_IP_OLD, "oldip" },
+ { ARCTYPE_ARP_OLD, "oldarp" },
+ { ARCTYPE_IP, "ip" },
+ { ARCTYPE_ARP, "arp" },
+ { ARCTYPE_REVARP, "rarp" },
+ { ARCTYPE_ATALK, "atalk" },
+ { ARCTYPE_BANIAN, "banyan" },
+ { ARCTYPE_IPX, "ipx" },
+ { ARCTYPE_INET6, "ipv6" },
+ { ARCTYPE_DIAGNOSE, "diag" },
+ { 0, 0 }
+};
+
+static inline void
+arcnet_print(const u_char *bp, u_int length, int phds, int flag, u_int seqid)
+{
+ const struct arc_header *ap;
+ struct arctype_map *atmp;
+ char *arctypename;
+ char typebuf[3];
+
+
+ ap = (const struct arc_header *)bp;
+
+
+ if (qflag) {
+ (void)printf("%02x %02x %d: ",
+ ap->arc_shost,
+ ap->arc_dhost,
+ length);
+ return;
+ }
+
+ for (arctypename = NULL, atmp = arctypemap; atmp->arctype; atmp++) {
+ if (atmp->arctype == ap->arc_type) {
+ arctypename = atmp->name;
+ break;
+ }
+ }
+ if (!arctypename) {
+ arctypename = typebuf;
+ (void)snprintf(typebuf, sizeof(typebuf), "%02x", ap->arc_type);
+ }
+
+ if (!phds) {
+ (void)printf("%02x %02x %s %d: ",
+ ap->arc_shost, ap->arc_dhost, arctypename,
+ length);
+ return;
+ }
+
+ if (flag == 0) {
+ (void)printf("%02x %02x %s seqid %04x %d: ",
+ ap->arc_shost, ap->arc_dhost, arctypename, seqid,
+ length);
+ return;
+ }
+
+ if (flag & 1)
+ (void)printf("%02x %02x %s seqid %04x "
+ "(first of %d fragments) %d: ",
+ ap->arc_shost, ap->arc_dhost, arctypename, seqid,
+ (flag + 3) / 2, length);
+ else
+ (void)printf("%02x %02x %s seqid %04x "
+ "(fragment %d) %d: ",
+ ap->arc_shost, ap->arc_dhost, arctypename, seqid,
+ flag/2 + 1, length);
+}
+
+/*
+ * This is the top level routine of the printer. 'p' is the points
+ * to the ether 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
+arcnet_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
+{
+ u_int caplen = h->caplen;
+ u_int length = h->len;
+ struct arc_header *ap;
+
+ int phds, flag = 0, archdrlen;
+ u_int seqid = 0;
+ u_char arc_type;
+
+ ts_print(&h->ts);
+
+ if (caplen < ARC_HDRLEN) {
+ printf("[|arcnet]");
+ goto out;
+ }
+
+ ap = (struct arc_header *)p;
+ arc_type = ap->arc_type;
+
+ switch (arc_type) {
+ default:
+ phds = 1;
+ break;
+ case ARCTYPE_IP_OLD:
+ case ARCTYPE_ARP_OLD:
+ case ARCTYPE_DIAGNOSE:
+ phds = 0;
+ archdrlen = ARC_HDRLEN;
+ break;
+ }
+
+ if (phds) {
+ if (caplen < ARC_HDRNEWLEN) {
+ arcnet_print(p, length, 0, 0, 0);
+ printf("[|phds]");
+ goto out;
+ }
+
+ if (ap->arc_flag == 0xff) {
+ if (caplen < ARC_HDRNEWLEN_EXC) {
+ arcnet_print(p, length, 0, 0, 0);
+ printf("[|phds extended]");
+ goto out;
+ }
+ flag = ap->arc_flag2;
+ seqid = ap->arc_seqid2;
+ archdrlen = ARC_HDRNEWLEN_EXC;
+ } else {
+ flag = ap->arc_flag;
+ seqid = ap->arc_seqid;
+ archdrlen = ARC_HDRNEWLEN;
+ }
+ }
+
+
+ if (eflag)
+ arcnet_print(p, length, phds, flag, seqid);
+
+ /*
+ * 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 -= archdrlen;
+ caplen -= archdrlen;
+ p += archdrlen;
+
+ if (phds && flag && (flag & 1) == 0)
+ goto out2;
+
+ if (!arcnet_encap_print(arc_type, p, length, caplen)) {
+ default_print(p, caplen);
+ goto out;
+ }
+
+ out2:
+ if (xflag)
+ default_print(p, caplen);
+
+ out:
+ putchar('\n');
+}
+
+/*
+ * Prints the packet encapsulated in an ARCnet data field,
+ * given the ARCnet system code.
+ *
+ * Returns non-zero if it can do so, zero if the system code is unknown.
+ */
+
+
+int
+arcnet_encap_print(u_char arctype, const u_char *p,
+ u_int length, u_int caplen)
+{
+ switch (arctype) {
+
+ case ARCTYPE_IP_OLD:
+ case ARCTYPE_IP:
+ ip_print(p, length);
+ return (1);
+
+#ifdef INET6
+ case ARCTYPE_INET6:
+ ip6_print(p, length);
+ return (1);
+#endif /*INET6*/
+
+ case ARCTYPE_ARP_OLD:
+ case ARCTYPE_ARP:
+ case ARCTYPE_REVARP:
+ arp_print(p, length, caplen);
+ return (1);
+
+ case ARCTYPE_ATALK: /* XXX was this ever used? */
+ if (vflag)
+ fputs("et1 ", stdout);
+ atalk_print(p, length);
+ return (1);
+
+ default:
+ return (0);
+ }
+}
projects / tcpdump / commitdiff
