1/*	$FreeBSD$	*/
2
3/*
4 * Copyright (C) 2003 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id: remove_hashnode.c,v 1.1.4.1 2006/06/16 17:21:16 darrenr Exp $
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
17static int hashfd = -1;
18
19
20int remove_hashnode(unit, name, node, iocfunc)
21int unit;
22char *name;
23iphtent_t *node;
24ioctlfunc_t iocfunc;
25{
26	iplookupop_t op;
27	iphtent_t ipe;
28
29	if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
30		hashfd = open(IPLOOKUP_NAME, O_RDWR);
31	if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
32		return -1;
33
34	op.iplo_type = IPLT_HASH;
35	op.iplo_unit = unit;
36	op.iplo_size = sizeof(ipe);
37	op.iplo_struct = &ipe;
38	op.iplo_arg = 0;
39	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
40
41	bzero((char *)&ipe, sizeof(ipe));
42	bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
43	      sizeof(ipe.ipe_addr));
44	bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
45	      sizeof(ipe.ipe_mask));
46
47	if (opts & OPT_DEBUG) {
48		printf("\t%s - ", inet_ntoa(ipe.ipe_addr.in4));
49		printf("%s\n", inet_ntoa(ipe.ipe_mask.in4));
50	}
51
52	if ((*iocfunc)(hashfd, SIOCLOOKUPDELNODE, &op))
53		if (!(opts & OPT_DONOTHING)) {
54			perror("remove_hash:SIOCLOOKUPDELNODE");
55			return -1;
56		}
57	return 0;
58}
59