load_poolnode.c revision 145519 
1/*	$FreeBSD: head/contrib/ipfilter/lib/load_poolnode.c 145519 2005-04-25 18:20:15Z darrenr $	*/
2
3/*
4 * Copyright (C) 2002 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * Id: load_poolnode.c,v 1.3.2.1 2004/03/06 14:33:29 darrenr Exp
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_pool.h"
16
17static int poolfd = -1;
18
19
20int load_poolnode(role, name, node, iocfunc)
21int role;
22char *name;
23ip_pool_node_t *node;
24ioctlfunc_t iocfunc;
25{
26	ip_pool_node_t pn;
27	iplookupop_t op;
28	int err;
29
30	if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
31		poolfd = open(IPLOOKUP_NAME, O_RDWR);
32	if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
33		return -1;
34
35	op.iplo_unit = role;
36	op.iplo_type = IPLT_POOL;
37	op.iplo_arg = 0;
38	op.iplo_struct = &pn;
39	op.iplo_size = sizeof(pn);
40	strncpy(op.iplo_name, name, sizeof(op.iplo_name));
41
42	bzero((char *)&pn, sizeof(pn));
43	bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
44	      sizeof(pn.ipn_addr));
45	bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
46	      sizeof(pn.ipn_mask));
47	pn.ipn_info = node->ipn_info;
48	strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
49
50	if ((opts & OPT_REMOVE) == 0)
51		err = (*iocfunc)(poolfd, SIOCLOOKUPADDNODE, &op);
52	else
53		err = (*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op);
54
55	if (err != 0) {
56		if ((opts & OPT_DONOTHING) == 0) {
57			perror("load_pool:SIOCLOOKUP*NODE");
58			return -1;
59		}
60	}
61
62	return 0;
63}
64