xref: /freebsd/sbin/ipf/libipf/remove_hashnode.c (revision 41edb306f05651fcaf6c74f9e3557f59f80292e1)
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
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