auto import from //depot/cupcake/@135843
diff --git a/print-vrrp.c b/print-vrrp.c
new file mode 100644
index 0000000..1e87a50
--- /dev/null
+++ b/print-vrrp.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2000 William C. Fenner.
+ * All rights reserved.
+ *
+ * Kevin Steves <ks@hp.se> July 2000
+ * Modified to:
+ * - print version, type string and packet length
+ * - print IP address count if > 1 (-v)
+ * - verify checksum (-v)
+ * - print authentication string (-v)
+ *
+ * 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, and (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.
+ * The name of William C. Fenner may not 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[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-vrrp.c,v 1.9.2.1 2005/05/06 07:57:20 guy Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "interface.h"
+#include "extract.h"
+#include "addrtoname.h"
+
+/*
+ * RFC 2338:
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |Version| Type | Virtual Rtr ID| Priority | Count IP Addrs|
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Auth Type | Adver Int | Checksum |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IP Address (1) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | . |
+ * | . |
+ * | . |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IP Address (n) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Authentication Data (1) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Authentication Data (2) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+/* Type */
+#define VRRP_TYPE_ADVERTISEMENT 1
+
+static const struct tok type2str[] = {
+ { VRRP_TYPE_ADVERTISEMENT, "Advertisement" },
+ { 0, NULL }
+};
+
+/* Auth Type */
+#define VRRP_AUTH_NONE 0
+#define VRRP_AUTH_SIMPLE 1
+#define VRRP_AUTH_AH 2
+
+static const struct tok auth2str[] = {
+ { VRRP_AUTH_NONE, "none" },
+ { VRRP_AUTH_SIMPLE, "simple" },
+ { VRRP_AUTH_AH, "ah" },
+ { 0, NULL }
+};
+
+void
+vrrp_print(register const u_char *bp, register u_int len, int ttl)
+{
+ int version, type, auth_type;
+ const char *type_s;
+
+ TCHECK(bp[0]);
+ version = (bp[0] & 0xf0) >> 4;
+ type = bp[0] & 0x0f;
+ type_s = tok2str(type2str, "unknown type (%u)", type);
+ printf("VRRPv%u, %s", version, type_s);
+ if (ttl != 255)
+ printf(", (ttl %u)", ttl);
+ if (version != 2 || type != VRRP_TYPE_ADVERTISEMENT)
+ return;
+ TCHECK(bp[2]);
+ printf(", vrid %u, prio %u", bp[1], bp[2]);
+ TCHECK(bp[5]);
+ auth_type = bp[4];
+ printf(", authtype %s", tok2str(auth2str, NULL, auth_type));
+ printf(", intvl %us, length %u", bp[5],len);
+ if (vflag) {
+ int naddrs = bp[3];
+ int i;
+ char c;
+
+ if (TTEST2(bp[0], len) && in_cksum((const u_short*)bp, len, 0))
+ printf(", (bad vrrp cksum %x)",
+ EXTRACT_16BITS(&bp[6]));
+ printf(", addrs");
+ if (naddrs > 1)
+ printf("(%d)", naddrs);
+ printf(":");
+ c = ' ';
+ bp += 8;
+ for (i = 0; i < naddrs; i++) {
+ TCHECK(bp[3]);
+ printf("%c%s", c, ipaddr_string(bp));
+ c = ',';
+ bp += 4;
+ }
+ if (auth_type == VRRP_AUTH_SIMPLE) { /* simple text password */
+ TCHECK(bp[7]);
+ printf(" auth \"");
+ if (fn_printn(bp, 8, snapend)) {
+ printf("\"");
+ goto trunc;
+ }
+ printf("\"");
+ }
+ }
+ return;
+trunc:
+ printf("[|vrrp]");
+}