freebsd-src/release/sysinstall/nfs.c
1997-02-22 14:13:04 +00:00

111 lines
3.5 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.
*
* $Id$
*
* 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.
*
* 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)
{
char *mountpoint = "/dist";
Device *netDevice = (Device *)dev->private;
if (NFSMounted)
return TRUE;
if (netDevice && !netDevice->init(netDevice))
return FALSE;
if (Mkdir(mountpoint))
return FALSE;
msgNotify("Mounting %s over NFS on %s", dev->name, mountpoint);
if (vsystem("mount_nfs %s %s %s %s",
variable_get(VAR_SLOW_ETHER) ? "-r 1024 -w 1024" : "",
variable_get(VAR_NFS_SECURE) ? "-P" : "", dev->name, mountpoint)) {
msgConfirm("Error mounting %s on %s: %s.", dev->name, mountpoint, strerror(errno));
if (netDevice)
netDevice->shutdown(netDevice);
return FALSE;
}
NFSMounted = TRUE;
msgDebug("Mounted NFS device %s onto %s\n", dev->name, mountpoint);
return TRUE;
}
FILE *
mediaGetNFS(Device *dev, char *file, Boolean probe)
{
char buf[PATH_MAX];
if (isDebug())
msgDebug("Request for %s from NFS\n", file);
snprintf(buf, PATH_MAX, "/dist/%s", file);
if (file_readable(buf))
return fopen(buf, "r");
snprintf(buf, PATH_MAX, "/dist/dists/%s", file);
if (file_readable(buf))
return fopen(buf, "r");
snprintf(buf, PATH_MAX, "/dist/%s/%s", variable_get(VAR_RELNAME), file);
if (file_readable(buf))
return fopen(buf, "r");
snprintf(buf, PATH_MAX, "/dist/%s/dists/%s", variable_get(VAR_RELNAME), file);
return fopen(buf, "r");
}
void
mediaShutdownNFS(Device *dev)
{
/* Device *netdev = (Device *)dev->private; */
char *mountpoint = "/dist";
if (!NFSMounted)
return;
msgNotify("Unmounting NFS partition on %s", mountpoint);
if (unmount(mountpoint, MNT_FORCE) != 0)
msgConfirm("Could not unmount the NFS partition: %s", strerror(errno));
msgDebug("Unmount of NFS partition successful\n");
/* if (netdev) netdev->shutdown(netdev); */
NFSMounted = FALSE;
return;
}