113 lines
3.5 KiB
C
113 lines
3.5 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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* $Id: dos.c,v 1.19 1998/09/08 11:44:07 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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* Copyright (c) 1995
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* Gary J Palmer. 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/stat.h>
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <grp.h>
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#define MSDOSFS
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#include <sys/mount.h>
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#include <msdosfs/msdosfsmount.h>
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#undef MSDOSFS
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static Boolean DOSMounted;
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Boolean
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mediaInitDOS(Device *dev)
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{
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struct msdosfs_args args;
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if (!RunningAsInit || DOSMounted)
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return TRUE;
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if (DITEM_STATUS(Mkdir("/dist")) != DITEM_SUCCESS)
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return FALSE;
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memset(&args, 0, sizeof(args));
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args.fspec = dev->devname;
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args.uid = args.gid = 0;
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args.mask = 0777;
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if (mount("msdos", "/dist", MNT_RDONLY, (caddr_t)&args) == -1) {
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msgConfirm("Error mounting %s on /dist: %s (%u)", args.fspec, strerror(errno), errno);
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return FALSE;
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}
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else
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msgDebug("Mounted DOS device (%s) on /dist.\n", args.fspec);
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DOSMounted = TRUE;
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return TRUE;
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}
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FILE *
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mediaGetDOS(Device *dev, char *file, Boolean probe)
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{
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char buf[PATH_MAX];
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if (isDebug())
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msgDebug("Request for %s from DOS\n", file);
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snprintf(buf, PATH_MAX, "/dist/%s", file);
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if (file_readable(buf))
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return fopen(buf, "r");
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snprintf(buf, PATH_MAX, "/dist/dists/%s", file);
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if (file_readable(buf))
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return fopen(buf, "r");
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snprintf(buf, PATH_MAX, "/dist/%s/%s", variable_get(VAR_RELNAME), file);
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if (file_readable(buf))
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return fopen(buf, "r");
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snprintf(buf, PATH_MAX, "/dist/%s/dists/%s", variable_get(VAR_RELNAME), file);
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return fopen(buf, "r");
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}
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void
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mediaShutdownDOS(Device *dev)
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{
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if (!RunningAsInit || !DOSMounted)
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return;
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msgDebug("Unmounting %s from /dist\n", dev->name);
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if (unmount("/dist", MNT_FORCE) != 0)
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msgConfirm("Could not unmount the DOS partition: %s", strerror(errno));
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if (isDebug())
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msgDebug("Unmount successful\n");
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DOSMounted = FALSE;
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return;
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}
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