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-rw-r--r--contrib/tcpdump/interface.h2
-rw-r--r--contrib/tcpdump/print-token.c165
-rw-r--r--contrib/tcpdump/tcpdump.c2
-rw-r--r--contrib/tcpdump/token.h43
4 files changed, 211 insertions, 1 deletions
diff --git a/contrib/tcpdump/interface.h b/contrib/tcpdump/interface.h
index 7ccb3f5..4f5f692 100644
--- a/contrib/tcpdump/interface.h
+++ b/contrib/tcpdump/interface.h
@@ -176,6 +176,8 @@ extern void dvmrp_print(const u_char *, u_int);
extern void egp_print(const u_char *, u_int, const u_char *);
extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
const u_char *);
+extern void token_if_print(u_char *, const struct pcap_pkthdr *,
+ const u_char *);
extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
extern void gre_print(const u_char *, u_int);
extern void icmp_print(const u_char *, const u_char *);
diff --git a/contrib/tcpdump/print-token.c b/contrib/tcpdump/print-token.c
new file mode 100644
index 0000000..e1dff5b
--- /dev/null
+++ b/contrib/tcpdump/print-token.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 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.
+ *
+ * Hacked version of print-ether.c Larry Lile <lile@stdio.com>
+ */
+#ifndef lint
+static const char rcsid[] =
+ "@(#) $Header$";
+#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 "token.h"
+
+#include <netinet/in.h>
+#include <net/ethernet.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"
+#include "llc.h"
+
+const u_char *packetp;
+const u_char *snapend;
+
+static inline void
+token_print(register const u_char *bp, u_int length)
+{
+ register const struct token_header *tp;
+ register const struct llc *lp;
+ u_short ether_type;
+
+ tp = (const struct token_header *)bp;
+ lp = (struct llc *)(bp + TOKEN_HDR_LEN);
+ if (IS_SOURCE_ROUTED)
+ lp = (struct llc *)(bp + TOKEN_HDR_LEN + RIF_LENGTH);
+
+ /*
+ * Ethertype on ethernet is a short, but ethertype in an llc-snap has
+ * been defined as 2 u_chars. This is a stupid little hack to fix
+ * this for now but something better should be done using ntohs()
+ * XXX
+ */
+ ether_type = ((u_short)lp->ethertype[1] << 16) | lp->ethertype[0];
+
+ if (qflag)
+ (void)printf("%s %s %d: ",
+ etheraddr_string(ESRC(tp)),
+ etheraddr_string(EDST(tp)),
+ length);
+ else
+ (void)printf("%s %s %s %d: ",
+ etheraddr_string(ESRC(tp)),
+ etheraddr_string(EDST(tp)),
+ etherproto_string(ether_type),
+ 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
+token_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 token_header *tp;
+ u_short ether_type;
+ extern u_short extracted_ethertype;
+ u_int route_len = 0;
+ struct llc *lp;
+
+ tp = (struct token_header *)p;
+
+ ts_print(&h->ts);
+
+ if (caplen < TOKEN_HDR_LEN) {
+ printf("[|token-ring]");
+ goto out;
+ }
+
+ if (eflag)
+ token_print(p, length);
+
+ /*
+ * 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.
+ */
+ tp = (struct token_header *)p;
+
+ /* Adjust for source routing information in the MAC header */
+ if (IS_SOURCE_ROUTED) {
+ route_len = RIF_LENGTH;
+ }
+
+ /* Set pointer to llc header, adjusted for routing information */
+ lp = (struct llc *)(p + TOKEN_HDR_LEN + route_len);
+
+ packetp = p;
+ snapend = p + caplen;
+
+ /* Skip over token ring MAC header */
+ length -= TOKEN_HDR_LEN + route_len;
+ caplen -= TOKEN_HDR_LEN + route_len;
+ p += TOKEN_HDR_LEN + route_len;
+
+ ether_type = ntohs((int)lp->ethertype);
+
+ extracted_ethertype = 0;
+ /* Try to print the LLC-layer header & higher layers */
+ if (llc_print(p, length, caplen, ESRC(tp), EDST(tp)) == 0) {
+ /* ether_type not known, print raw packet */
+ if (!eflag)
+ token_print((u_char *)tp, length);
+ if (extracted_ethertype) {
+ printf("(LLC %s) ",
+ etherproto_string(htons(extracted_ethertype)));
+ }
+ if (!xflag && !qflag)
+ default_print(p, caplen);
+ }
+ if (xflag)
+ default_print(p, caplen);
+ out:
+ putchar('\n');
+}
diff --git a/contrib/tcpdump/tcpdump.c b/contrib/tcpdump/tcpdump.c
index 14a12e7..1526db2 100644
--- a/contrib/tcpdump/tcpdump.c
+++ b/contrib/tcpdump/tcpdump.c
@@ -91,7 +91,7 @@ struct printer {
static struct printer printers[] = {
{ ether_if_print, DLT_EN10MB },
- { ether_if_print, DLT_IEEE802 },
+ { token_if_print, DLT_IEEE802 },
{ sl_if_print, DLT_SLIP },
{ sl_bsdos_if_print, DLT_SLIP_BSDOS },
{ ppp_if_print, DLT_PPP },
diff --git a/contrib/tcpdump/token.h b/contrib/tcpdump/token.h
new file mode 100644
index 0000000..6f28a1e
--- /dev/null
+++ b/contrib/tcpdump/token.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 1998, Larry Lile
+ * 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 unmodified, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ */
+
+#define TOKEN_HDR_LEN 14
+#define IS_SOURCE_ROUTED (tp->ether_shost[0] & 0x80)
+#define RIF_LENGTH ((ntohs(tp->rcf) & 0x1f00) >> 8)
+#define TOKEN_RING_MAC_LEN 6
+#define ROUTING_SEGMENT_MAX 16
+
+struct token_header {
+ u_char ac;
+ u_char fc;
+ u_char ether_dhost[TOKEN_RING_MAC_LEN];
+ u_char ether_shost[TOKEN_RING_MAC_LEN];
+ u_short rcf;
+ u_short rseg[ROUTING_SEGMENT_MAX];
+};
+
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