1 /*        $NetBSD: remove_hashnode.c,v 1.2 2012/07/22 14:27:37 darrenr Exp $    */
2 
3 /*
4  * Copyright (C) 2012 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * Id: remove_hashnode.c,v 1.1.1.2 2012/07/22 13:44:42 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 
17 
18 int
remove_hashnode(unit,name,node,iocfunc)19 remove_hashnode(unit, name, node, iocfunc)
20           int unit;
21           char *name;
22           iphtent_t *node;
23           ioctlfunc_t iocfunc;
24 {
25           iplookupop_t op;
26           iphtent_t ipe;
27 
28           if (pool_open() == -1)
29                     return -1;
30 
31           op.iplo_type = IPLT_HASH;
32           op.iplo_unit = unit;
33           op.iplo_size = sizeof(ipe);
34           op.iplo_struct = &ipe;
35           op.iplo_arg = 0;
36           strncpy(op.iplo_name, name, sizeof(op.iplo_name));
37 
38           bzero((char *)&ipe, sizeof(ipe));
39           bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
40                 sizeof(ipe.ipe_addr));
41           bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
42                 sizeof(ipe.ipe_mask));
43 
44           if (opts & OPT_DEBUG) {
45                     printf("\t%s - ", inet_ntoa(ipe.ipe_addr.in4));
46                     printf("%s\n", inet_ntoa(ipe.ipe_mask.in4));
47           }
48 
49           if (pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op)) {
50                     if (!(opts & OPT_DONOTHING)) {
51                               return ipf_perror_fd(pool_fd(), iocfunc,
52                                                        "remove lookup hash node");
53                     }
54           }
55           return 0;
56 }
57