freebsd-dev/usr.sbin/sysinstall/tape.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: tape.c,v 1.3 1995/05/28 03:05:04 jkh Exp $
 *
 * Copyright (c) 1995
 *	Jordan Hubbard.  All rights reserved.
 * Copyright (c) 1995
 * 	Gary J Palmer. 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.
 *
 */

/* These routines deal with getting things off of tape media */

#include "sysinstall.h"
#include <sys/fcntl.h>
#include <sys/param.h>

static Boolean tapeInitted;

Boolean
mediaInitTape(Device *dev)
{
    int i;

    if (tapeInitted)
	return TRUE;

    Mkdir("/usr/tmp/tape", NULL);
    if (chdir("/usr/tmp/tape")) {
	Mkdir("/var/tmp/tape", NULL);
	if (chdir("/var/tmp/tape"))
	    return FALSE;
    }
    msgConfirm("Insert tape into %s and press return", dev->description);
    if (!strcmp(dev->name, "ft0"))
	i = vsystem("ft | tar xvf -");
    else
	i = vsystem("tar xvf %s", dev->devname);
    if (!i) {
	tapeInitted = TRUE;
	return TRUE;
    }
    else
	msgConfirm("Tape extract command failed with status %d!", i);
    return FALSE;
}

int
mediaGetTape(char *file)
{
    char buf[PATH_MAX];

    sprintf(buf, "/usr/tmp/tape/%s", file);
    if (!access(buf, R_OK))
	return open(buf, O_RDONLY);
    sprintf(buf, "/var/tmp/tape/%s", file);
    return open(buf, O_RDONLY);
}

void
mediaShutdownTape(Device *dev)
{
    if (!tapeInitted)
	return;
    if (!access("/usr/tmp/tape", X_OK))
	(void)vsystem("rm -rf /usr/tmp/tape");
    else if (!access("/var/tmp/tape", X_OK))
	(void)vsystem("rm -rf /var/tmp/tape");
    tapeInitted = FALSE;
}