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/*
* 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: floppy.c,v 1.30 1998/10/12 23:45:06 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.
*
* 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 floppy media */
#include "sysinstall.h"
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/errno.h>
#include <sys/param.h>
#include <sys/wait.h>
#include <unistd.h>
#include <grp.h>
#define MSDOSFS
#include <sys/mount.h>
#include <msdosfs/msdosfsmount.h>
#undef MSDOSFS
#include <ufs/ufs/ufsmount.h>
static Boolean floppyMounted;
char *distWanted;
static char mountpoint[] = "/dist";
Boolean
mediaInitFloppy(Device *dev)
{
struct msdosfs_args dosargs;
struct ufs_args u_args;
if (floppyMounted)
return TRUE;
if (Mkdir(mountpoint)) {
msgConfirm("Unable to make %s directory mountpoint for %s!", mountpoint, dev->devname);
return FALSE;
}
msgDebug("Init floppy called for %s distribution.\n", distWanted ? distWanted : "some");
if (!variable_get(VAR_NONINTERACTIVE)) {
if (!distWanted)
msgConfirm("Please insert floppy in %s", dev->description);
else
msgConfirm("Please insert floppy containing %s in %s",
distWanted, dev->description);
}
memset(&dosargs, 0, sizeof dosargs);
dosargs.fspec = dev->devname;
dosargs.uid = dosargs.gid = 0;
dosargs.mask = 0777;
memset(&u_args, 0, sizeof(u_args));
u_args.fspec = dev->devname;
if (mount("msdos", mountpoint, MNT_RDONLY, (caddr_t)&dosargs) == -1) {
if (mount("ufs", mountpoint, MNT_RDONLY, (caddr_t)&u_args) == -1) {
msgConfirm("Error mounting floppy %s (%s) on %s : %s",
dev->name, dev->devname, mountpoint, strerror(errno));
return FALSE;
}
}
floppyMounted = TRUE;
distWanted = NULL;
return TRUE;
}
FILE *
mediaGetFloppy(Device *dev, char *file, Boolean probe)
{
char buf[PATH_MAX];
FILE *fp;
int nretries = 5;
/*
* floppies don't use mediaGenericGet() because it's too expensive
* to speculatively open files on a floppy disk. Make user get it
* right or give up with floppies.
*/
snprintf(buf, PATH_MAX, "%s/%s", mountpoint, file);
if (!file_readable(buf)) {
if (probe)
return NULL;
else {
while (!file_readable(buf)) {
if (!--nretries) {
msgConfirm("GetFloppy: Failed to get %s after retries;\ngiving up.", buf);
return NULL;
}
distWanted = buf;
mediaShutdownFloppy(dev);
if (!mediaInitFloppy(dev))
return NULL;
}
}
}
fp = fopen(buf, "r");
return fp;
}
void
mediaShutdownFloppy(Device *dev)
{
if (floppyMounted) {
if (unmount(mountpoint, MNT_FORCE) != 0)
msgDebug("Umount of floppy on %s failed: %s (%d)\n", mountpoint, strerror(errno), errno);
else {
floppyMounted = FALSE;
if (!variable_get(VAR_NONINTERACTIVE))
msgConfirm("You may remove the floppy from %s", dev->description);
}
}
}
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