remove_hash.c revision 302408 
1/*	$FreeBSD: stable/11/contrib/ipfilter/lib/remove_hash.c 255332 2013-09-06 23:11:19Z cy $	*/
2
3/*
4 * Copyright (C) 2012 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id$
9 */
10
11#include <fcntl.h>
12#include <sys/ioctl.h>
13#include "ipf.h"
14#include "netinet/ip_lookup.h"
15#include "netinet/ip_htable.h"
16
17
18int
19remove_hash(iphp, iocfunc)
20	iphtable_t *iphp;
21	ioctlfunc_t iocfunc;
22{
23	iplookupop_t op;
24	iphtable_t iph;
25
26	if (pool_open() == -1)
27		return -1;
28
29	op.iplo_type = IPLT_HASH;
30	op.iplo_unit = iphp->iph_unit;
31	strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name));
32	if (*op.iplo_name == '\0')
33		op.iplo_arg = IPHASH_ANON;
34	op.iplo_size = sizeof(iph);
35	op.iplo_struct = &iph;
36
37	bzero((char *)&iph, sizeof(iph));
38	iph.iph_unit = iphp->iph_unit;
39	iph.iph_type = iphp->iph_type;
40	strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name));
41	iph.iph_flags = iphp->iph_flags;
42
43	if (pool_ioctl(iocfunc, SIOCLOOKUPDELTABLE, &op)) {
44		if ((opts & OPT_DONOTHING) == 0) {
45			return ipf_perror_fd(pool_fd(), iocfunc,
46					     "remove lookup hash table");
47		}
48	}
49	return 0;
50}
51