Virgin import of unmodified tcpdump v3.2.1 distribution from LBL.

Obtained from: ftp://ftp.ee.lbl.gov/tcpdump.tar.Z on 19-Aug-1996.

1 files changed, 159 insertions, 0 deletions

diff --git a/contrib/tcpdump/print-rip.c b/contrib/tcpdump/print-rip.c
new file mode 100644
index 0000000..8791712
--- /dev/null
+++ b/contrib/tcpdump/print-rip.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 1989, 1990, 1991, 1993, 1994, 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.
+ */
+
+#ifndef lint
+static char rcsid[] =
+    "@(#) $Header: print-rip.c,v 1.34 96/07/23 14:17:26 leres Exp $ (LBL)";
+#endif
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/socket.h>
+
+#include <netinet/in.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 <stdio.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"			/* must come after interface.h */
+
+struct rip {
+	u_char rip_cmd;			/* request/response */
+	u_char rip_vers;		/* protocol version # */
+	u_short rip_zero2;		/* unused */
+};
+#define	RIPCMD_REQUEST		1	/* want info */
+#define	RIPCMD_RESPONSE		2	/* responding to request */
+#define	RIPCMD_TRACEON		3	/* turn tracing on */
+#define	RIPCMD_TRACEOFF		4	/* turn it off */
+#define	RIPCMD_POLL		5	/* want info from everybody */
+#define	RIPCMD_POLLENTRY	6	/* poll for entry */
+
+struct rip_netinfo {
+	u_short rip_family;
+	u_short rip_tag;
+	u_int32_t rip_dest;
+	u_int32_t rip_dest_mask;
+	u_int32_t rip_router;
+	u_int32_t rip_metric;		/* cost of route */
+};
+
+static void
+rip_entry_print(register int vers, register const struct rip_netinfo *ni)
+{
+	register u_char *cp, *ep;
+
+	if (EXTRACT_16BITS(&ni->rip_family) != AF_INET) {
+
+		printf(" [family %d:", EXTRACT_16BITS(&ni->rip_family));
+		cp = (u_char *)&ni->rip_tag;
+		ep = (u_char *)&ni->rip_metric + sizeof(ni->rip_metric);
+		for (; cp < ep; cp += 2)
+			printf(" %04x", EXTRACT_16BITS(cp));
+		printf("]");
+	} else if (vers < 2) {
+		/* RFC 1058 */
+		printf(" %s", ipaddr_string(&ni->rip_dest));
+	} else {
+		/* RFC 1723 */
+		printf(" {%s", ipaddr_string(&ni->rip_dest));
+		if (ni->rip_dest_mask)
+			printf("/%s", ipaddr_string(&ni->rip_dest_mask));
+		if (ni->rip_router)
+			printf("->%s", ipaddr_string(&ni->rip_router));
+		if (ni->rip_tag)
+			printf(" tag %04x", EXTRACT_16BITS(&ni->rip_tag));
+		printf("}");
+	}
+	printf("(%d)", EXTRACT_32BITS(&ni->rip_metric));
+}
+
+void
+rip_print(const u_char *dat, u_int length)
+{
+	register const struct rip *rp;
+	register const struct rip_netinfo *ni;
+	register int i, j, trunc;
+
+	i = min(length, snapend - dat) - (sizeof(*rp) - sizeof(*ni));
+	if (i < 0)
+		return;
+
+	rp = (struct rip *)dat;
+	switch (rp->rip_cmd) {
+
+	case RIPCMD_REQUEST:
+		printf(" rip-req %d", length);
+		break;
+
+	case RIPCMD_RESPONSE:
+		j = length / sizeof(*ni);
+		if (j * sizeof(*ni) != length - 4)
+			printf(" rip-resp %d[%d]:", j, length);
+		else
+			printf(" rip-resp %d:", j);
+		trunc = ((i / sizeof(*ni)) * sizeof(*ni) != i);
+		ni = (struct rip_netinfo *)(rp + 1);
+		for (; (i -= sizeof(*ni)) >= 0; ++ni)
+			rip_entry_print(rp->rip_vers, ni);
+		if (trunc)
+			printf("[|rip]");
+		break;
+
+	case RIPCMD_TRACEON:
+		printf(" rip-traceon %d: \"", length);
+		(void)fn_print((const u_char *)(rp + 1), snapend);
+		fputs("\"\n", stdout);
+		break;
+
+	case RIPCMD_TRACEOFF:
+		printf(" rip-traceoff %d", length);
+		break;
+
+	case RIPCMD_POLL:
+		printf(" rip-poll %d", length);
+		break;
+
+	case RIPCMD_POLLENTRY:
+		printf(" rip-pollentry %d", length);
+		break;
+
+	default:
+		printf(" rip-#%d %d", rp->rip_cmd, length);
+		break;
+	}
+	switch (rp->rip_vers) {
+
+	case 1:
+	case 2:
+		break;
+
+	default:
+		printf(" [vers %d]", rp->rip_vers);
+		break;
+        }
+}