121 lines
3.8 KiB
C
121 lines
3.8 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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* $Id$
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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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/* These routines deal with getting things off of tape media */
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#include "sysinstall.h"
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#include <sys/fcntl.h>
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#include <sys/param.h>
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static Boolean tapeInitted;
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char *
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mediaTapeBlocksize(void)
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{
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char *cp = variable_get(VAR_TAPE_BLOCKSIZE);
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return cp ? cp : DEFAULT_TAPE_BLOCKSIZE;
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}
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Boolean
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mediaInitTape(Device *dev)
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{
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/* This is REALLY gross, but we need to do the init later in get due to the fact
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* that media is initialized BEFORE a filesystem is mounted now.
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*/
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return TRUE;
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}
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FILE *
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mediaGetTape(Device *dev, char *file, Boolean probe)
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{
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char buf[PATH_MAX];
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FILE *fp;
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int i;
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if (!tapeInitted) {
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msgDebug("Tape init routine called for %s (private dir is %s)\n", dev->name, dev->private);
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Mkdir(dev->private);
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if (chdir(dev->private)) {
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msgConfirm("Unable to CD to %s before extracting tape!\n"
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"Tape media is not selected and thus cannot be installed from.", dev->private);
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return (FILE *)IO_ERROR;
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}
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/* We know the tape is already in the drive, so go for it */
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msgNotify("First extracting distributions from %s...", dev->description);
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if (!strcmp(dev->name, "rft0"))
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i = vsystem("ft | cpio -idum %s --block-size %s", cpioVerbosity(), mediaTapeBlocksize());
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else
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i = vsystem("cpio -idum %s --block-size %s -I %s", cpioVerbosity(), mediaTapeBlocksize(), dev->devname);
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if (!i) {
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tapeInitted = TRUE;
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msgDebug("Tape initialized successfully.\n");
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}
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else {
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msgConfirm("Tape extract command failed with status %d!\n"
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"Unable to use tape media.", i);
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return (FILE *)IO_ERROR;
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}
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}
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sprintf(buf, "%s/%s", (char *)dev->private, file);
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if (isDebug())
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msgDebug("Request for %s from tape (looking in %s)\n", file, buf);
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if (file_readable(buf))
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fp = fopen(buf, "r");
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else {
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sprintf(buf, "%s/dists/%s", (char *)dev->private, file);
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fp = fopen(buf, "r");
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}
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/* Nuke the files behind us to save space */
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if (fp)
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unlink(buf);
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return fp;
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}
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void
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mediaShutdownTape(Device *dev)
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{
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if (!tapeInitted)
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return;
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if (file_readable(dev->private)) {
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msgNotify("Cleaning up results of tape extract in %s..", dev->private);
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(void)vsystem("rm -rf %s", (char *)dev->private);
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}
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tapeInitted = FALSE;
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}
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