xref: /freebsd/sbin/ipf/libipf/load_hashnode.c (revision 963f5dc7a30624e95d72fb7f87b8892651164e46)
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 load_hashnode(unit, name, node, ttl, iocfunc)
20 	int unit;
21 	char *name;
22 	iphtent_t *node;
23 	int ttl;
24 	ioctlfunc_t iocfunc;
25 {
26 	iplookupop_t op;
27 	iphtent_t ipe;
28 	char *what;
29 	int err;
30 
31 	if (pool_open() == -1)
32 		return -1;
33 
34 	op.iplo_type = IPLT_HASH;
35 	op.iplo_unit = unit;
36 	op.iplo_arg = 0;
37 	op.iplo_size = sizeof(ipe);
38 	op.iplo_struct = &ipe;
39 	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
40 
41 	bzero((char *)&ipe, sizeof(ipe));
42 	ipe.ipe_family = node->ipe_family;
43 	ipe.ipe_die = ttl;
44 	bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
45 	      sizeof(ipe.ipe_addr));
46 	bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
47 	      sizeof(ipe.ipe_mask));
48 	bcopy((char *)&node->ipe_group, (char *)&ipe.ipe_group,
49 	      sizeof(ipe.ipe_group));
50 
51 	if ((opts & OPT_REMOVE) == 0) {
52 		what = "add";
53 		err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
54 	} else {
55 		what = "delete";
56 		err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
57 	}
58 
59 	if (err != 0)
60 		if (!(opts & OPT_DONOTHING)) {
61 			char msg[80];
62 
63 			snprintf(msg, sizeof(msg), "%s node from lookup hash table", what);
64 			return ipf_perror_fd(pool_fd(), iocfunc, msg);
65 		}
66 	return 0;
67 }
68