| Current Path : /usr/src/contrib/ipfilter/lib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ipfilter/lib/checkrev.c |
/* $FreeBSD: release/9.1.0/contrib/ipfilter/lib/checkrev.c 170268 2007-06-04 02:54:36Z darrenr $ */
/*
* Copyright (C) 2000-2004 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: checkrev.c,v 1.12.2.2 2006/06/16 17:20:56 darrenr Exp $
*/
#include <sys/ioctl.h>
#include <fcntl.h>
#include "ipf.h"
#include "netinet/ipl.h"
int checkrev(ipfname)
char *ipfname;
{
static int vfd = -1;
struct friostat fio, *fiop = &fio;
ipfobj_t ipfo;
bzero((caddr_t)&ipfo, sizeof(ipfo));
ipfo.ipfo_rev = IPFILTER_VERSION;
ipfo.ipfo_size = sizeof(*fiop);
ipfo.ipfo_ptr = (void *)fiop;
ipfo.ipfo_type = IPFOBJ_IPFSTAT;
if ((vfd == -1) && ((vfd = open(ipfname, O_RDONLY)) == -1)) {
perror("open device");
return -1;
}
if (ioctl(vfd, SIOCGETFS, &ipfo)) {
perror("ioctl(SIOCGETFS)");
close(vfd);
vfd = -1;
return -1;
}
if (strncmp(IPL_VERSION, fio.f_version, sizeof(fio.f_version))) {
return -1;
}
return 0;
}