NetBSD/dist/ipf/lib/remove_hash.c

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2004-03-28 12:55:20 +04:00
/* $NetBSD: remove_hash.c,v 1.1.1.1 2004/03/28 08:56:20 martti Exp $ */
/*
* Copyright (C) 2002 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Id: remove_hash.c,v 1.1 2003/04/13 06:40:14 darrenr Exp
*/
#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_htable.h"
static int hashfd = -1;
int remove_hash(iphp, iocfunc)
iphtable_t *iphp;
ioctlfunc_t iocfunc;
{
iplookupop_t op;
iphtable_t iph;
if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
hashfd = open(IPLOOKUP_NAME, O_RDWR);
if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
return -1;
op.iplo_type = IPLT_HASH;
op.iplo_unit = iphp->iph_unit;
strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name));
if (*op.iplo_name == '\0')
op.iplo_arg = IPHASH_ANON;
op.iplo_size = sizeof(iph);
op.iplo_struct = &iph;
bzero((char *)&iph, sizeof(iph));
iph.iph_unit = iphp->iph_unit;
iph.iph_type = iphp->iph_type;
strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name));
iph.iph_flags = iphp->iph_flags;
if ((*iocfunc)(hashfd, SIOCLOOKUPDELTABLE, &op))
if ((opts & OPT_DONOTHING) == 0) {
perror("remove_hash:SIOCLOOKUPDELTABLE");
return -1;
}
return 0;
}