From 7811628c58985af2ecaa6a0baacebcaafccc8cc1 Mon Sep 17 00:00:00 2001 From: jkh Date: Sat, 27 May 1995 10:39:04 +0000 Subject: Things were getting seriously hard to find. Do a quick reorg pass over the code and split things into more logical groupings. --- usr.sbin/sysinstall/floppy.c | 177 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 usr.sbin/sysinstall/floppy.c (limited to 'usr.sbin/sysinstall/floppy.c') diff --git a/usr.sbin/sysinstall/floppy.c b/usr.sbin/sysinstall/floppy.c new file mode 100644 index 0000000..2c4df0b --- /dev/null +++ b/usr.sbin/sysinstall/floppy.c @@ -0,0 +1,177 @@ +/* + * 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: media_strategy.c,v 1.28 1995/05/26 20:30:59 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 +#include +#include +#include +#include +#include +#include + +#define MSDOSFS +#include +#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 *dist, char *path) +{ + char buf[PATH_MAX]; + char *fname; + Attribs *dist_attr; + int retval; + + dist_attr = safe_malloc(sizeof(Attribs) * MAX_ATTRIBS); + + snprintf(buf, PATH_MAX, "/stand/info/%s.inf", dist); + if (!access(buf, R_OK) && attr_parse(&dist_attr, buf) == 0) + { + msgConfirm("Cannot load information file for %s distribution!\nPlease verify that your media is valid and try again.", dist); + free(dist_attr); + return FALSE; + } + fname = index(dist, '/') + 1; + snprintf(buf, PATH_MAX, "/mnt/%s", fname); + + retval = genericGetDist(buf, dist_attr, TRUE); + free(dist_attr); + return retval; +} + +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; + } +} -- cgit v1.1