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[FreeBSD/releng/9.2.git] / contrib / ipfilter / lib / remove_pool.c
1 /*      $FreeBSD$       */
2
3 /*
4  * Copyright (C) 2003 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * $Id: remove_pool.c,v 1.1.4.1 2006/06/16 17:21:16 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_htable.h"
16
17 static int poolfd = -1;
18
19
20 int remove_pool(poolp, iocfunc)
21 ip_pool_t *poolp;
22 ioctlfunc_t iocfunc;
23 {
24         iplookupop_t op;
25         ip_pool_t pool;
26
27         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
28                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
29         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
30                 return -1;
31
32         op.iplo_type = IPLT_POOL;
33         op.iplo_unit = poolp->ipo_unit;
34         strncpy(op.iplo_name, poolp->ipo_name, sizeof(op.iplo_name));
35         op.iplo_size = sizeof(pool);
36         op.iplo_struct = &pool;
37
38         bzero((char *)&pool, sizeof(pool));
39         pool.ipo_unit = poolp->ipo_unit;
40         strncpy(pool.ipo_name, poolp->ipo_name, sizeof(pool.ipo_name));
41         pool.ipo_flags = poolp->ipo_flags;
42
43         if ((*iocfunc)(poolfd, SIOCLOOKUPDELTABLE, &op))
44                 if ((opts & OPT_DONOTHING) == 0) {
45                         perror("remove_pool:SIOCLOOKUPDELTABLE");
46                         return -1;
47                 }
48
49         return 0;
50 }