root/sbin/ipf/libipf/remove_hash.c

/*
 * Copyright (C) 2012 by Darren Reed.
 *
 * See the IPFILTER.LICENCE file for details on licencing.
 *
 * $Id$
 */

#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_htable.h"


int
remove_hash(iphtable_t *iphp, ioctlfunc_t iocfunc)
{
        iplookupop_t op;
        iphtable_t iph;

        if (pool_open() == -1)
                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 (pool_ioctl(iocfunc, SIOCLOOKUPDELTABLE, &op)) {
                if ((opts & OPT_DONOTHING) == 0) {
                        return (ipf_perror_fd(pool_fd(), iocfunc,
                                             "remove lookup hash table"));
                }
        }
        return (0);
}