freebsd-skq/usr.sbin/sysinstall/nfs.c
1995-05-30 05:13:24 +00:00

108 lines
3.4 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last attempt in the `sysinstall' line, the next
* generation being slated to essentially a complete rewrite.
*
* $Id: nfs.c,v 1.2 1995/05/29 11:01:35 jkh Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jordan Hubbard
* for the FreeBSD Project.
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "sysinstall.h"
#include <sys/errno.h>
#include <sys/fcntl.h>
#include <sys/syslimits.h>
#include <sys/param.h>
#include <sys/mount.h>
Boolean NFSMounted;
Boolean
mediaInitNFS(Device *dev)
{
Device *netDevice = (Device *)dev->private;
if (NFSMounted)
return TRUE;
if (netDevice->init)
if (!(*netDevice->init)(netDevice))
return FALSE;
if (Mkdir("/nfs", NULL))
return FALSE;
if (!vsystem("mount_nfs %s %s %s /nfs", getenv("nfsSlowPC") ? "-r 1024 -w 1024" : "",
getenv("nfsServerSecure") ? "-P" : "", dev->name))
return TRUE;
else {
msgConfirm("Error mounting %s on /nfs: %s (%u)\n", dev->name, strerror(errno), errno);
return FALSE;
}
NFSMounted = TRUE;
return TRUE;
}
int
mediaGetNFS(char *file)
{
char buf[PATH_MAX];
snprintf(buf, PATH_MAX, "/nfs/%s", file);
if (!access(buf, R_OK))
return open(buf, O_RDONLY);
snprintf(buf, PATH_MAX, "/nfs/dists/%s", file);
return open(buf, O_RDONLY);
}
void
mediaShutdownNFS(Device *dev)
{
Device *netdev = (Device *)dev->private;
if (!NFSMounted)
return;
msgDebug("Unmounting /nfs\n");
if (unmount("/nfs", 0) != 0)
msgConfirm("Could not unmount the NFS partition: %s\n", strerror(errno));
if (isDebug())
msgDebug("Unmount returned\n");
if (netdev->shutdown)
(*netdev->shutdown)(netdev);
NFSMounted = FALSE;
return;
}