1 /*
2  * Copyright (C) 2002 by Darren Reed.
3  *
4  * See the IPFILTER.LICENCE file for details on licencing.
5  *
6  * $Id: load_hashnode.c,v 1.2.4.1 2004/03/06 14:33:28 darrenr Exp $
7  *
8  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
9  * Use is subject to license terms.
10  */
11 
12 #pragma ident	"%Z%%M%	%I%	%E% SMI"
13 
14 #include <fcntl.h>
15 #include <sys/ioctl.h>
16 #include "ipf.h"
17 #include "netinet/ip_lookup.h"
18 #include "netinet/ip_htable.h"
19 
20 static int hashfd = -1;
21 
22 
23 int load_hashnode(unit, name, node, iocfunc)
24 int unit;
25 char *name;
26 iphtent_t *node;
27 ioctlfunc_t iocfunc;
28 {
29 	iplookupop_t op;
30 	iphtent_t ipe;
31 	int err;
32 
33 	if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
34 		hashfd = open(IPLOOKUP_NAME, O_RDWR);
35 	if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
36 		return -1;
37 
38 	op.iplo_type = IPLT_HASH;
39 	op.iplo_unit = unit;
40 	op.iplo_arg = 0;
41 	op.iplo_size = sizeof(ipe);
42 	op.iplo_struct = &ipe;
43 	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
44 
45 	bzero((char *)&ipe, sizeof(ipe));
46 	ipe.ipe_family = node->ipe_family;
47 	bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
48 	      sizeof(ipe.ipe_addr));
49 	bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
50 	      sizeof(ipe.ipe_mask));
51 	bcopy((char *)&node->ipe_group, (char *)&ipe.ipe_group,
52 	      sizeof(ipe.ipe_group));
53 
54 	if ((opts & OPT_REMOVE) == 0)
55 		err = (*iocfunc)(hashfd, SIOCLOOKUPADDNODE, &op);
56 	else
57 		err = (*iocfunc)(hashfd, SIOCLOOKUPDELNODE, &op);
58 
59 	if (err != 0)
60 		if (!(opts & OPT_DONOTHING)) {
61 			perror("load_hash:SIOCLOOKUP*NODE");
62 			return -1;
63 		}
64 	return 0;
65 }
66