xref: /freebsd/sbin/ipf/libipf/load_hashnode.c (revision 994297b01b98816bea1abf45ae4bac1bc69ee7a0)
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(int unit, char *name, iphtent_t *node, int ttl,
20 	ioctlfunc_t iocfunc)
21 {
22 	iplookupop_t op;
23 	iphtent_t ipe;
24 	char *what;
25 	int err;
26 
27 	if (pool_open() == -1)
28 		return (-1);
29 
30 	op.iplo_type = IPLT_HASH;
31 	op.iplo_unit = unit;
32 	op.iplo_arg = 0;
33 	op.iplo_size = sizeof(ipe);
34 	op.iplo_struct = &ipe;
35 	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
36 
37 	bzero((char *)&ipe, sizeof(ipe));
38 	ipe.ipe_family = node->ipe_family;
39 	ipe.ipe_die = ttl;
40 	bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
41 	      sizeof(ipe.ipe_addr));
42 	bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
43 	      sizeof(ipe.ipe_mask));
44 	bcopy((char *)&node->ipe_group, (char *)&ipe.ipe_group,
45 	      sizeof(ipe.ipe_group));
46 
47 	if ((opts & OPT_REMOVE) == 0) {
48 		what = "add";
49 		err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
50 	} else {
51 		what = "delete";
52 		err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
53 	}
54 
55 	if (err != 0)
56 		if (!(opts & OPT_DONOTHING)) {
57 			char msg[80];
58 
59 			snprintf(msg, sizeof(msg), "%s node from lookup hash table", what);
60 			return (ipf_perror_fd(pool_fd(), iocfunc, msg));
61 		}
62 	return (0);
63 }
64