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[FreeBSD/releng/9.2.git] / contrib / ipfilter / lib / remove_poolnode.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_poolnode.c,v 1.3.2.1 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_pool.h"
16
17 static int poolfd = -1;
18
19
20 int remove_poolnode(unit, name, node, iocfunc)
21 int unit;
22 char *name;
23 ip_pool_node_t *node;
24 ioctlfunc_t iocfunc;
25 {
26         ip_pool_node_t pn;
27         iplookupop_t op;
28
29         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
30                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
31         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
32                 return -1;
33
34         op.iplo_unit = unit;
35         op.iplo_type = IPLT_POOL;
36         op.iplo_arg = 0;
37         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
38         op.iplo_struct = &pn;
39         op.iplo_size = sizeof(pn);
40
41         bzero((char *)&pn, sizeof(pn));
42         bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
43               sizeof(pn.ipn_addr));
44         bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
45               sizeof(pn.ipn_mask));
46         pn.ipn_info = node->ipn_info;
47         strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
48
49         if ((*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op)) {
50                 if ((opts & OPT_DONOTHING) == 0) {
51                         perror("remove_pool:SIOCLOOKUPDELNODE");
52                         return -1;
53                 }
54         }
55
56         return 0;
57 }