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/*
* Copyright (C) 1993-2001 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "ipf.h"
void nat_setgroupmap(n)
ipnat_t *n;
{
if (n->in_outmsk == n->in_inmsk)
n->in_ippip = 1;
else if (n->in_flags & IPN_AUTOPORTMAP) {
n->in_ippip = ~ntohl(n->in_inmsk);
if (n->in_outmsk != 0xffffffff)
n->in_ippip /= (~ntohl(n->in_outmsk) + 1);
n->in_ippip++;
if (n->in_ippip == 0)
n->in_ippip = 1;
n->in_ppip = USABLE_PORTS / n->in_ippip;
} else {
n->in_space = USABLE_PORTS * ~ntohl(n->in_outmsk);
n->in_nip = 0;
if (!(n->in_ppip = n->in_pmin))
n->in_ppip = 1;
n->in_ippip = USABLE_PORTS / n->in_ppip;
}
}
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