1*f3ac6781SToomas Soome /*
2*f3ac6781SToomas Soome * Copyright (C) 2002 by Darren Reed.
3*f3ac6781SToomas Soome *
4*f3ac6781SToomas Soome * See the IPFILTER.LICENCE file for details on licencing.
5*f3ac6781SToomas Soome *
6*f3ac6781SToomas Soome * $Id: remove_hash.c,v 1.1 2003/04/13 06:40:14 darrenr Exp $
7*f3ac6781SToomas Soome */
8*f3ac6781SToomas Soome
9*f3ac6781SToomas Soome #include <fcntl.h>
10*f3ac6781SToomas Soome #include <sys/ioctl.h>
11*f3ac6781SToomas Soome #include "ipf.h"
12*f3ac6781SToomas Soome #include "netinet/ip_lookup.h"
13*f3ac6781SToomas Soome #include "netinet/ip_htable.h"
14*f3ac6781SToomas Soome
15*f3ac6781SToomas Soome static int hashfd = -1;
16*f3ac6781SToomas Soome
17*f3ac6781SToomas Soome
remove_hash(iphp,iocfunc)18*f3ac6781SToomas Soome int remove_hash(iphp, iocfunc)
19*f3ac6781SToomas Soome iphtable_t *iphp;
20*f3ac6781SToomas Soome ioctlfunc_t iocfunc;
21*f3ac6781SToomas Soome {
22*f3ac6781SToomas Soome iplookupop_t op;
23*f3ac6781SToomas Soome iphtable_t iph;
24*f3ac6781SToomas Soome
25*f3ac6781SToomas Soome if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
26*f3ac6781SToomas Soome hashfd = open(IPLOOKUP_NAME, O_RDWR);
27*f3ac6781SToomas Soome if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
28*f3ac6781SToomas Soome return -1;
29*f3ac6781SToomas Soome
30*f3ac6781SToomas Soome op.iplo_type = IPLT_HASH;
31*f3ac6781SToomas Soome op.iplo_unit = iphp->iph_unit;
32*f3ac6781SToomas Soome strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name));
33*f3ac6781SToomas Soome if (*op.iplo_name == '\0')
34*f3ac6781SToomas Soome op.iplo_arg = IPHASH_ANON;
35*f3ac6781SToomas Soome op.iplo_size = sizeof(iph);
36*f3ac6781SToomas Soome op.iplo_struct = &iph;
37*f3ac6781SToomas Soome
38*f3ac6781SToomas Soome bzero((char *)&iph, sizeof(iph));
39*f3ac6781SToomas Soome iph.iph_unit = iphp->iph_unit;
40*f3ac6781SToomas Soome iph.iph_type = iphp->iph_type;
41*f3ac6781SToomas Soome strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name));
42*f3ac6781SToomas Soome iph.iph_flags = iphp->iph_flags;
43*f3ac6781SToomas Soome
44*f3ac6781SToomas Soome if ((*iocfunc)(hashfd, SIOCLOOKUPDELTABLE, &op))
45*f3ac6781SToomas Soome if ((opts & OPT_DONOTHING) == 0) {
46*f3ac6781SToomas Soome perror("remove_hash:SIOCLOOKUPDELTABLE");
47*f3ac6781SToomas Soome return -1;
48*f3ac6781SToomas Soome }
49*f3ac6781SToomas Soome
50*f3ac6781SToomas Soome return 0;
51*f3ac6781SToomas Soome }
52