13704ca508
names suggest, they perform methods on Device's. In addition, they check that the pointer passed to them is valid; if it isn't, they pretend that the action failed. This fixes some crashes due to NULL dereferences (e.g., PR 26509). Approved by: jkh (some time ago)
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated to essentially a complete rewrite.
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*
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* $FreeBSD$
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <sys/errno.h>
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#include <sys/fcntl.h>
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#include <sys/syslimits.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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Boolean NFSMounted;
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static char mountpoint[] = "/dist";
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Boolean
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mediaInitNFS(Device *dev)
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{
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Device *netDevice = (Device *)dev->private;
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WINDOW *w = savescr();
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if (NFSMounted)
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return TRUE;
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if (!DEVICE_INIT(netDevice))
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return FALSE;
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if (Mkdir(mountpoint))
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return FALSE;
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msgNotify("Mounting %s over NFS on %s", dev->name, mountpoint);
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if (vsystem("mount_nfs %s %s %s %s",
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variable_get(VAR_SLOW_ETHER) ? "-r 1024 -w 1024" : "",
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variable_get(VAR_NFS_SECURE) ? "-P" : "", dev->name, mountpoint)) {
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msgConfirm("Error mounting %s on %s: %s.", dev->name, mountpoint, strerror(errno));
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if (netDevice)
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DEVICE_SHUTDOWN(netDevice);
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restorescr(w);
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return FALSE;
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}
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NFSMounted = TRUE;
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if (isDebug())
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msgDebug("Mounted NFS device %s onto %s\n", dev->name, mountpoint);
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restorescr(w);
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return TRUE;
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}
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FILE *
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mediaGetNFS(Device *dev, char *file, Boolean probe)
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{
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return mediaGenericGet(mountpoint, file);
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}
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void
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mediaShutdownNFS(Device *dev)
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{
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if (!NFSMounted)
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return;
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msgDebug("Unmounting NFS partition on %s", mountpoint);
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if (unmount(mountpoint, MNT_FORCE) != 0)
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msgConfirm("Could not unmount the NFS partition: %s", strerror(errno));
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NFSMounted = FALSE;
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return;
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}
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