--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/ipf/lib/common/getnattype.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 1993-2001 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ * Added redirect stuff and a variety of bug fixes. (mcn@EnGarde.com)
+ *
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"@(#)getnattype.c	1.3	07/01/19 SMI"
+
+#include "ipf.h"
+#include "kmem.h"
+
+#if !defined(lint)
+static const char rcsid[] = "@(#)$Id: getnattype.c,v 1.3 2004/01/17 17:26:07 darrenr Exp $";
+#endif
+
+
+/*
+ * Get a nat filter type given its kernel address.
+ */
+char *getnattype(nat, alive)
+nat_t *nat;
+int alive;
+{
+	static char unknownbuf[20];
+	ipnat_t *ipn, ipnatbuff;
+	char *which;
+	int type;
+
+	if (!nat)
+		return "???";
+	if (alive) {
+		type = nat->nat_redir;
+	} else {
+		ipn = nat->nat_ptr;
+		if (kmemcpy((char *)&ipnatbuff, (long)ipn, sizeof(ipnatbuff)))
+			return "!!!";
+		type = ipnatbuff.in_redir;
+	}
+
+	switch (type)
+	{
+	case NAT_MAP :
+		which = "MAP";
+		break;
+	case NAT_MAPBLK :
+		which = "MAP-BLOCK";
+		break;
+	case NAT_REDIRECT :
+		which = "RDR";
+		break;
+	case NAT_BIMAP :
+		which = "BIMAP";
+		break;
+	default :
+		sprintf(unknownbuf, "unknown(%04x)", type & 0xffffffff);
+		which = unknownbuf;
+		break;
+	}
+	return which;
+}