1 /* $FreeBSD$ */
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
18 int
remove_hash(iphtable_t * iphp,ioctlfunc_t iocfunc)19 remove_hash(iphtable_t *iphp, ioctlfunc_t iocfunc)
20 {
21 iplookupop_t op;
22 iphtable_t iph;
23
24 if (pool_open() == -1)
25 return (-1);
26
27 op.iplo_type = IPLT_HASH;
28 op.iplo_unit = iphp->iph_unit;
29 strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name));
30 if (*op.iplo_name == '\0')
31 op.iplo_arg = IPHASH_ANON;
32 op.iplo_size = sizeof(iph);
33 op.iplo_struct = &iph;
34
35 bzero((char *)&iph, sizeof(iph));
36 iph.iph_unit = iphp->iph_unit;
37 iph.iph_type = iphp->iph_type;
38 strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name));
39 iph.iph_flags = iphp->iph_flags;
40
41 if (pool_ioctl(iocfunc, SIOCLOOKUPDELTABLE, &op)) {
42 if ((opts & OPT_DONOTHING) == 0) {
43 return (ipf_perror_fd(pool_fd(), iocfunc,
44 "remove lookup hash table"));
45 }
46 }
47 return (0);
48 }
49