8d8f2bab5a
Also make mountpoint for each media type easier to change. Also reshuffled some menus for easier usage.
151 lines
4.4 KiB
C
151 lines
4.4 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: floppy.c,v 1.30 1998/10/12 23:45:06 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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/* These routines deal with getting things off of floppy media */
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#include "sysinstall.h"
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#include <sys/fcntl.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 <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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#include <ufs/ufs/ufsmount.h>
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static Boolean floppyMounted;
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char *distWanted;
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static char mountpoint[] = "/dist";
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Boolean
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mediaInitFloppy(Device *dev)
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{
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struct msdosfs_args dosargs;
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struct ufs_args u_args;
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if (floppyMounted)
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return TRUE;
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if (Mkdir(mountpoint)) {
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msgConfirm("Unable to make %s directory mountpoint for %s!", mountpoint, dev->devname);
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return FALSE;
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}
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msgDebug("Init floppy called for %s distribution.\n", distWanted ? distWanted : "some");
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if (!variable_get(VAR_NONINTERACTIVE)) {
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if (!distWanted)
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msgConfirm("Please insert floppy in %s", dev->description);
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else
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msgConfirm("Please insert floppy containing %s in %s",
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distWanted, dev->description);
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}
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memset(&dosargs, 0, sizeof dosargs);
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dosargs.fspec = dev->devname;
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dosargs.uid = dosargs.gid = 0;
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dosargs.mask = 0777;
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memset(&u_args, 0, sizeof(u_args));
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u_args.fspec = dev->devname;
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if (mount("msdos", mountpoint, MNT_RDONLY, (caddr_t)&dosargs) == -1) {
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if (mount("ufs", mountpoint, MNT_RDONLY, (caddr_t)&u_args) == -1) {
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msgConfirm("Error mounting floppy %s (%s) on %s : %s",
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dev->name, dev->devname, mountpoint, strerror(errno));
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return FALSE;
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}
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}
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floppyMounted = TRUE;
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distWanted = NULL;
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return TRUE;
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}
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FILE *
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mediaGetFloppy(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 nretries = 5;
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/*
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* floppies don't use mediaGenericGet() because it's too expensive
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* to speculatively open files on a floppy disk. Make user get it
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* right or give up with floppies.
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*/
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snprintf(buf, PATH_MAX, "%s/%s", mountpoint, file);
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if (!file_readable(buf)) {
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if (probe)
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return NULL;
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else {
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while (!file_readable(buf)) {
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if (!--nretries) {
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msgConfirm("GetFloppy: Failed to get %s after retries;\ngiving up.", buf);
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return NULL;
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}
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distWanted = buf;
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mediaShutdownFloppy(dev);
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if (!mediaInitFloppy(dev))
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return NULL;
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}
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}
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}
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fp = fopen(buf, "r");
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return fp;
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}
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void
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mediaShutdownFloppy(Device *dev)
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{
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if (floppyMounted) {
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if (unmount(mountpoint, MNT_FORCE) != 0)
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msgDebug("Umount of floppy on %s failed: %s (%d)\n", mountpoint, strerror(errno), errno);
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else {
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floppyMounted = FALSE;
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if (!variable_get(VAR_NONINTERACTIVE))
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msgConfirm("You may remove the floppy from %s", dev->description);
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}
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}
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}
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