xref: /freebsd/sbin/ipf/libipf/remove_hashnode.c (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1 
2 /*
3  * Copyright (C) 2012 by Darren Reed.
4  *
5  * See the IPFILTER.LICENCE file for details on licencing.
6  *
7  * $Id$
8  */
9 
10 #include <fcntl.h>
11 #include <sys/ioctl.h>
12 #include "ipf.h"
13 #include "netinet/ip_lookup.h"
14 #include "netinet/ip_htable.h"
15 
16 
17 int
18 remove_hashnode(int unit, char *name, iphtent_t *node, ioctlfunc_t iocfunc)
19 {
20 	iplookupop_t op;
21 	iphtent_t ipe;
22 
23 	if (pool_open() == -1)
24 		return (-1);
25 
26 	op.iplo_type = IPLT_HASH;
27 	op.iplo_unit = unit;
28 	op.iplo_size = sizeof(ipe);
29 	op.iplo_struct = &ipe;
30 	op.iplo_arg = 0;
31 	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
32 
33 	bzero((char *)&ipe, sizeof(ipe));
34 	bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
35 	      sizeof(ipe.ipe_addr));
36 	bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
37 	      sizeof(ipe.ipe_mask));
38 
39 	if (opts & OPT_DEBUG) {
40 		printf("\t%s - ", inet_ntoa(ipe.ipe_addr.in4));
41 		printf("%s\n", inet_ntoa(ipe.ipe_mask.in4));
42 	}
43 
44 	if (pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op)) {
45 		if (!(opts & OPT_DONOTHING)) {
46 			return (ipf_perror_fd(pool_fd(), iocfunc,
47 					     "remove lookup hash node"));
48 		}
49 	}
50 	return (0);
51 }
52