Flatten vendor/tcpdump and remove keyword expansion.

1 files changed, 140 insertions, 0 deletions

diff --git a/print-hsrp.c b/print-hsrp.c
new file mode 100644
index 0000000..1d22247
--- /dev/null
+++ b/print-hsrp.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2001 Julian Cowley
+ * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
+ */
+
+/* Cisco Hot Standby Router Protocol (HSRP). */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-hsrp.c,v 1.9.2.1 2005/05/06 07:57:17 guy Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+
+/* HSRP op code types. */
+static const char *op_code_str[] = {
+	"hello",
+	"coup",
+	"resign"
+};
+
+/* HSRP states and associated names. */
+static struct tok states[] = {
+	{  0, "initial" },
+	{  1, "learn" },
+	{  2, "listen" },
+	{  4, "speak" },
+	{  8, "standby" },
+	{ 16, "active" },
+	{  0, NULL }
+};
+
+/*
+ * RFC 2281:
+ *
+ *  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     |   Op Code     |     State     |   Hellotime   |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |   Holdtime    |   Priority    |     Group     |   Reserved    |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Authentication  Data                     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Authentication  Data                     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Virtual IP Address                       |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+#define HSRP_AUTH_SIZE	8
+
+/* HSRP protocol header. */
+struct hsrp {
+	u_int8_t	hsrp_version;
+	u_int8_t	hsrp_op_code;
+	u_int8_t	hsrp_state;
+	u_int8_t	hsrp_hellotime;
+	u_int8_t	hsrp_holdtime;
+	u_int8_t	hsrp_priority;
+	u_int8_t	hsrp_group;
+	u_int8_t	hsrp_reserved;
+	u_int8_t	hsrp_authdata[HSRP_AUTH_SIZE];
+	struct in_addr	hsrp_virtaddr;
+};
+
+void
+hsrp_print(register const u_int8_t *bp, register u_int len)
+{
+	struct hsrp *hp = (struct hsrp *) bp;
+
+	TCHECK(hp->hsrp_version);
+	printf("HSRPv%d", hp->hsrp_version);
+	if (hp->hsrp_version != 0)
+		return;
+	TCHECK(hp->hsrp_op_code);
+	printf("-");
+	printf("%s ", tok2strary(op_code_str, "unknown (%d)", hp->hsrp_op_code));
+	printf("%d: ", len);
+	TCHECK(hp->hsrp_state);
+	printf("state=%s ", tok2str(states, "Unknown (%d)", hp->hsrp_state));
+	TCHECK(hp->hsrp_group);
+	printf("group=%d ", hp->hsrp_group);
+	TCHECK(hp->hsrp_reserved);
+	if (hp->hsrp_reserved != 0) {
+		printf("[reserved=%d!] ", hp->hsrp_reserved);
+	}
+	TCHECK(hp->hsrp_virtaddr);
+	printf("addr=%s", ipaddr_string(&hp->hsrp_virtaddr));
+	if (vflag) {
+		printf(" hellotime=");
+		relts_print(hp->hsrp_hellotime);
+		printf(" holdtime=");
+		relts_print(hp->hsrp_holdtime);
+		printf(" priority=%d", hp->hsrp_priority);
+		printf(" auth=\"");
+		if (fn_printn(hp->hsrp_authdata, sizeof(hp->hsrp_authdata),
+		    snapend)) {
+			printf("\"");
+			goto trunc;
+		}
+		printf("\"");
+	}
+	return;
+trunc:
+	printf("[|hsrp]");
+}