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