auto import from //depot/cupcake/@135843
diff --git a/print-msdp.c b/print-msdp.c
new file mode 100644
index 0000000..3f79b68
--- /dev/null
+++ b/print-msdp.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2001 William C. Fenner.
+ * 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, 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-msdp.c,v 1.7 2005/04/06 21:32:41 mcr Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#define MSDP_TYPE_MAX 7
+
+void
+msdp_print(const unsigned char *sp, u_int length)
+{
+ unsigned int type, len;
+
+ TCHECK2(*sp, 3);
+ /* See if we think we're at the beginning of a compound packet */
+ type = *sp;
+ len = EXTRACT_16BITS(sp + 1);
+ if (len > 1500 || len < 3 || type == 0 || type > MSDP_TYPE_MAX)
+ goto trunc; /* not really truncated, but still not decodable */
+ (void)printf(" msdp:");
+ while (length > 0) {
+ TCHECK2(*sp, 3);
+ type = *sp;
+ len = EXTRACT_16BITS(sp + 1);
+ if (len > 1400 || vflag)
+ printf(" [len %u]", len);
+ if (len < 3)
+ goto trunc;
+ sp += 3;
+ length -= 3;
+ switch (type) {
+ case 1: /* IPv4 Source-Active */
+ case 3: /* IPv4 Source-Active Response */
+ if (type == 1)
+ (void)printf(" SA");
+ else
+ (void)printf(" SA-Response");
+ TCHECK(*sp);
+ (void)printf(" %u entries", *sp);
+ if ((u_int)((*sp * 12) + 8) < len) {
+ (void)printf(" [w/data]");
+ if (vflag > 1) {
+ (void)printf(" ");
+ ip_print(gndo, sp + *sp * 12 + 8 - 3,
+ len - (*sp * 12 + 8));
+ }
+ }
+ break;
+ case 2:
+ (void)printf(" SA-Request");
+ TCHECK2(*sp, 5);
+ (void)printf(" for %s", ipaddr_string(sp + 1));
+ break;
+ case 4:
+ (void)printf(" Keepalive");
+ if (len != 3)
+ (void)printf("[len=%d] ", len);
+ break;
+ case 5:
+ (void)printf(" Notification");
+ break;
+ default:
+ (void)printf(" [type=%d len=%d]", type, len);
+ break;
+ }
+ sp += (len - 3);
+ length -= (len - 3);
+ }
+ return;
+trunc:
+ (void)printf(" [|msdp]");
+}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */