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/* $FreeBSD$ */
/*
* Copyright (C) 2002-2004 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Added redirect stuff and a variety of bug fixes. (mcn@EnGarde.com)
*/
#include "ipf.h"
#include "kmem.h"
#if !defined(lint)
static const char rcsid[] = "@(#)$Id: getnattype.c,v 1.3.2.2 2006/07/14 06:12:24 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, ipnat;
char *which;
int type;
if (!nat)
return "???";
if (alive) {
type = nat->nat_redir;
} else {
ipn = nat->nat_ptr;
if (kmemcpy((char *)&ipnat, (long)ipn, sizeof(ipnat)))
return "!!!";
type = ipnat.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;
}
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