freebsd-dev/usr.sbin/sysinstall/floppy.c
Poul-Henning Kamp 25fce75ee4 Major cleanup. Mediaroutines now get asked about a file. All the
multi part stuff centralized.
The final check is backwards or something so it always said it failed,
even it it didn't.
Fixed tcpip address check to not be stupid, 10.0.255.1 is legal.
1995-05-27 23:39:35 +00:00

163 lines
4.6 KiB
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: floppy.c,v 1.1 1995/05/27 10:38:52 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 floppy media, though
* with one exception: genericGetDist() is actually used from lots of places
* since it can think of the world as just "one big floppy" too if that's
* appropriate.
*/
#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>
#undef MSDOSFS
static Device *floppyDev;
static Boolean floppyMounted;
/* For finding floppies */
static int
floppyChoiceHook(char *str)
{
Device **devs;
/* Clip garbage off the ends */
string_prune(str);
str = string_skipwhite(str);
if (!*str)
return 0;
devs = deviceFind(str, DEVICE_TYPE_FLOPPY);
if (devs)
floppyDev = devs[0];
return devs ? 1 : 0;
}
/* Our last-ditch routine for getting ROOT from a floppy */
int
getRootFloppy(void)
{
int fd = -1;
while (floppyDev == NULL || fd == -1) {
Device **devs;
int cnt;
devs = deviceFind(NULL, DEVICE_TYPE_FLOPPY);
cnt = deviceCount(devs);
if (cnt == 1)
floppyDev = devs[0];
else if (cnt > 1) {
DMenu *menu;
menu = deviceCreateMenu(&MenuMediaFloppy, DEVICE_TYPE_FLOPPY, floppyChoiceHook);
menu->title = "Please insert the ROOT floppy";
dmenuOpenSimple(menu);
}
else {
msgConfirm("No floppy devices found! Something is seriously wrong!");
return -1;
}
if (!floppyDev)
continue;
fd = open(floppyDev->devname, O_RDONLY);
}
return fd;
}
Boolean
mediaInitFloppy(Device *dev)
{
struct msdosfs_args dosargs;
char mountpoint[FILENAME_MAX];
if (floppyMounted)
return TRUE;
memset(&dosargs, 0, sizeof dosargs);
if (Mkdir("/mnt", NULL)) {
msgConfirm("Unable to make directory mountpoint for %s!", mountpoint);
return FALSE;
}
msgDebug("initFloppy: mount floppy %s on /mnt\n", dev->devname);
dosargs.fspec = dev->devname;
if (mount(MOUNT_MSDOS, "/mnt", 0, (caddr_t)&dosargs) == -1) {
msgConfirm("Error mounting floppy %s (%s) on /mnt : %s\n", dev->name,
dev->devname, mountpoint, strerror(errno));
return FALSE;
}
floppyMounted = TRUE;
return TRUE;
}
int
mediaGetFloppy(char *file)
{
char buf[PATH_MAX];
snprintf(buf, PATH_MAX, "/mnt/%s", file);
return open(buf,O_RDONLY);
}
void
mediaShutdownFloppy(Device *dev)
{
if (floppyMounted) {
if (vsystem("umount /mnt") != 0)
msgDebug("Umount of floppy on /mnt failed: %s (%d)\n", strerror(errno), errno);
else
floppyMounted = FALSE;
}
}