poolio.c revision 254219 
1/*
2 * Copyright (C) 2012 by Darren Reed.
3 *
4 * See the IPFILTER.LICENCE file for details on licencing.
5 *
6 * $Id: poolio.c,v 1.1.2.3 2012/07/22 08:04:24 darren_r Exp $
7 */
8
9#include <fcntl.h>
10#include <sys/ioctl.h>
11#include "ipf.h"
12#include "netinet/ip_lookup.h"
13#include "netinet/ip_pool.h"
14
15static int poolfd = -1;
16
17
18int
19pool_open()
20{
21
22	if ((opts & OPT_DONTOPEN) != 0)
23		return 0;
24
25	if (poolfd == -1)
26		poolfd = open(IPLOOKUP_NAME, O_RDWR);
27	return poolfd;
28}
29
30int
31pool_ioctl(iocfunc, cmd, ptr)
32	ioctlfunc_t iocfunc;
33	ioctlcmd_t cmd;
34	void *ptr;
35{
36	return (*iocfunc)(poolfd, cmd, ptr);
37}
38
39
40void
41pool_close()
42{
43	if (poolfd != -1) {
44		close(poolfd);
45		poolfd = -1;
46	}
47}
48
49int
50pool_fd()
51{
52	return poolfd;
53}
54