694c3b89fa
a boot selector in sector 0. Closes PR # conf/963: Using the... Submitted by: muir@idiom.com (David Muir Sharnoff)
643 lines
18 KiB
C
643 lines
18 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: disks.c,v 1.34 1995/12/11 16:32:31 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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*
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jordan Hubbard
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* for the FreeBSD Project.
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* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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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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#include "sysinstall.h"
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#include <ctype.h>
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#include <sys/disklabel.h>
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/* Where we start displaying chunk information on the screen */
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#define CHUNK_START_ROW 5
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/* Where we keep track of MBR chunks */
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static struct chunk *chunk_info[16];
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static int current_chunk;
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static void
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record_chunks(Disk *d)
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{
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struct chunk *c1;
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int i = 0;
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int last_free = 0;
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if (!d->chunks)
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msgFatal("No chunk list found for %s!", d->name);
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current_chunk = 0;
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for (c1 = d->chunks->part; c1; c1 = c1->next) {
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if (c1->type == unused && c1->size > last_free) {
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last_free = c1->size;
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current_chunk = i;
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}
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chunk_info[i++] = c1;
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}
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chunk_info[i] = NULL;
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}
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static void
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print_chunks(Disk *d)
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{
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int row;
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int i;
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if ((!d->bios_cyl || d->bios_cyl > 65536) || (!d->bios_hd || d->bios_hd > 256) || (!d->bios_sect || d->bios_sect >= 64)) {
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int sz;
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dialog_clear();
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msgConfirm("WARNING: The current geometry for %s is incorrect. Using\n"
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"a default geometry of 64 heads and 32 sectors. If this geometry\n"
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"is incorrect or you are unsure as to whether or not it's correct,\n"
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"please consult the Hardware Guide in the Documentation submenu\n"
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"or use the (G)eometry command to change it now.", d->name);
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d->bios_hd = 64;
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d->bios_sect = 32;
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sz = 0;
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for (i = 0; chunk_info[i]; i++)
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sz += chunk_info[i]->size;
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if (sz)
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d->bios_cyl = sz / ONE_MEG;
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else
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msgConfirm("Couldn't set geometry! You'll have to do it by hand.");
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}
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attrset(A_NORMAL);
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mvaddstr(0, 0, "Disk name:\t");
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clrtobot();
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attrset(A_REVERSE); addstr(d->name); attrset(A_NORMAL);
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attrset(A_REVERSE); mvaddstr(0, 55, "FDISK Partition Editor"); attrset(A_NORMAL);
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mvprintw(1, 0,
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"DISK Geometry:\t%lu cyls/%lu heads/%lu sectors",
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d->bios_cyl, d->bios_hd, d->bios_sect);
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mvprintw(3, 1, "%10s %10s %10s %8s %8s %8s %8s %8s",
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"Offset", "Size", "End", "Name", "PType", "Desc",
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"Subtype", "Flags");
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for (i = 0, row = CHUNK_START_ROW; chunk_info[i]; i++, row++) {
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if (i == current_chunk)
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attrset(A_REVERSE);
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mvprintw(row, 2, "%10ld %10lu %10lu %8s %8d %8s %8d\t%-6s",
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chunk_info[i]->offset, chunk_info[i]->size,
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chunk_info[i]->end, chunk_info[i]->name,
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chunk_info[i]->type, chunk_n[chunk_info[i]->type],
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chunk_info[i]->subtype, ShowChunkFlags(chunk_info[i]));
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if (i == current_chunk)
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attrset(A_NORMAL);
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}
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}
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static void
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print_command_summary()
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{
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mvprintw(14, 0, "The following commands are supported (in upper or lower case):");
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mvprintw(16, 0, "A = Use Entire Disk B = Bad Block Scan C = Create Partition");
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mvprintw(17, 0, "D = Delete Partition G = Set Drive Geometry S = Set Bootable");
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mvprintw(18, 0, "U = Undo All Changes Q = Finish W = Write Changes");
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mvprintw(20, 0, "The currently selected partition is displayed in ");
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attrset(A_REVERSE); addstr("reverse"); attrset(A_NORMAL); addstr(" video.");
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mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to move.");
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move(0, 0);
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}
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/* Partition a disk based wholly on which variables are set */
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static void
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scriptPartition(Device *dev, Disk *d)
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{
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char *cp;
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int i, sz;
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record_chunks(d);
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cp = variable_get(VAR_GEOMETRY);
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if (cp) {
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msgDebug("Setting geometry from script to: %s\n", cp);
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d->bios_cyl = strtol(cp, &cp, 0);
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d->bios_hd = strtol(cp + 1, &cp, 0);
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d->bios_sect = strtol(cp + 1, 0, 0);
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}
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cp = variable_get(VAR_DISKSPACE);
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if (cp) {
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if (!strcmp(cp, "free")) {
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/* Do free disk space case */
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for (i = 0; chunk_info[i]; i++) {
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/* If a chunk is at least 10MB in size, use it. */
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if (chunk_info[i]->type == unused && chunk_info[i]->size > (10 * ONE_MEG)) {
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Create_Chunk(d, chunk_info[i]->offset, chunk_info[i]->size, freebsd, 3,
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(chunk_info[i]->flags & CHUNK_ALIGN));
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variable_set2(DISK_PARTITIONED, "yes");
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break;
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}
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}
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if (!chunk_info[i]) {
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dialog_clear();
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msgConfirm("Unable to find any free space on this disk!");
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return;
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}
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}
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else if (!strcmp(cp, "all")) {
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/* Do all disk space case */
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msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name);
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All_FreeBSD(d, FALSE);
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}
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else if (!strcmp(cp, "exclusive")) {
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/* Do really-all-the-disk-space case */
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msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name);
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All_FreeBSD(d, TRUE);
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}
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else if ((sz = strtol(cp, &cp, 0))) {
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/* Look for sz bytes free */
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if (*cp && toupper(*cp) == 'M')
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sz *= ONE_MEG;
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for (i = 0; chunk_info[i]; i++) {
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/* If a chunk is at least sz MB, use it. */
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if (chunk_info[i]->type == unused && chunk_info[i]->size >= sz) {
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Create_Chunk(d, chunk_info[i]->offset, sz, freebsd, 3, (chunk_info[i]->flags & CHUNK_ALIGN));
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variable_set2(DISK_PARTITIONED, "yes");
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break;
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}
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}
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if (!chunk_info[i]) {
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dialog_clear();
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msgConfirm("Unable to find %d free blocks on this disk!", sz);
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return;
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}
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}
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else if (!strcmp(cp, "existing")) {
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/* Do existing FreeBSD case */
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for (i = 0; chunk_info[i]; i++) {
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if (chunk_info[i]->type == freebsd)
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break;
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}
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if (!chunk_info[i]) {
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dialog_clear();
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msgConfirm("Unable to find any existing FreeBSD partitions on this disk!");
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return;
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}
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}
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else {
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dialog_clear();
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msgConfirm("`%s' is an invalid value for %s - is config file valid?", cp, VAR_DISKSPACE);
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return;
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}
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variable_set2(DISK_PARTITIONED, "yes");
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}
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}
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static u_char *
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getBootMgr(char *dname)
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{
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extern u_char mbr[], bteasy17[];
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char str[80];
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char *cp;
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int i = 0;
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cp = variable_get(VAR_BOOTMGR);
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if (!cp) {
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/* Figure out what kind of MBR the user wants */
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sprintf(str, "Install Boot Manager for drive %s?", dname);
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MenuMBRType.title = str;
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dialog_clear();
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i = dmenuOpenSimple(&MenuMBRType);
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}
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else {
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if (!strncmp(cp, "boot", 4))
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BootMgr = 0;
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else if (!strcmp(cp, "standard"))
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BootMgr = 1;
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else
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BootMgr = 2;
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}
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if (cp || i) {
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switch (BootMgr) {
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case 0:
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return bteasy17;
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case 1:
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return mbr;
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case 2:
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default:
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break;
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}
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}
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return NULL;
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}
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void
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diskPartition(Device *dev, Disk *d)
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{
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char *p;
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int key = 0;
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Boolean chunking;
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char *msg = NULL;
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u_char *mbrContents;
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chunking = TRUE;
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keypad(stdscr, TRUE);
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clear();
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record_chunks(d);
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while (chunking) {
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print_chunks(d);
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print_command_summary();
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if (msg) {
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standout(); mvprintw(23, 0, msg); standend();
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beep();
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msg = NULL;
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}
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key = toupper(getch());
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switch (key) {
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case '\014': /* ^L */
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clear();
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print_command_summary();
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continue;
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case KEY_UP:
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case '-':
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if (current_chunk != 0)
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--current_chunk;
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break;
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case KEY_DOWN:
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case '+':
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case '\r':
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case '\n':
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if (chunk_info[current_chunk + 1])
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++current_chunk;
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break;
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case KEY_HOME:
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current_chunk = 0;
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break;
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case KEY_END:
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while (chunk_info[current_chunk + 1])
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++current_chunk;
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break;
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case KEY_F(1):
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case '?':
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systemDisplayHelp("slice");
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break;
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case 'A': {
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int rv;
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rv = msgYesNo("Do you want to do this with a true partition entry\n"
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"so as to remain cooperative with any future possible\n"
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"operating systems on the drive(s)?");
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if (rv) {
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rv = !msgYesNo("This is dangerous in that it will make the drive totally\n"
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"uncooperative with other potential operating systems on the\n"
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"same disk. It will lead instead to a totally dedicated disk,\n"
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"starting at the very first sector, bypassing all BIOS geometry\n"
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"considerations. This precludes the existance of any boot\n"
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"manager or other stuff in sector 0, since the BSD bootstrap\n"
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"will live there.\n"
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"You will run into serious trouble with ST-506 and ESDI drives\n"
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"and possibly some IDE drives (e.g. drives running under the\n"
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"control of sort of disk manager). SCSI drives are considerably\n"
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"less at risk.\n\n"
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"Do you insist on dedicating the entire disk this way?");
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}
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All_FreeBSD(d, rv);
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if (rv)
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d->bios_hd = d->bios_sect = d->bios_cyl = 1;
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variable_set2(DISK_PARTITIONED, "yes");
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record_chunks(d);
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}
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break;
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case 'B':
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if (chunk_info[current_chunk]->type != freebsd)
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msg = "Can only scan for bad blocks in FreeBSD partition.";
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else if (strncmp(d->name, "sd", 2) ||
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!msgYesNo("This typically makes sense only for ESDI, IDE or MFM drives.\n"
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"Are you sure you want to do this on a SCSI disk?")) {
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if (chunk_info[current_chunk]->flags & CHUNK_BAD144)
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chunk_info[current_chunk]->flags &= ~CHUNK_BAD144;
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else
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chunk_info[current_chunk]->flags |= CHUNK_BAD144;
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}
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break;
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case 'C':
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if (chunk_info[current_chunk]->type != unused)
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msg = "Partition in use, delete it first or move to an unused one.";
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else {
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char *val, tmp[20], *cp;
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int size;
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snprintf(tmp, 20, "%d", chunk_info[current_chunk]->size);
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val = msgGetInput(tmp, "Please specify the size for new FreeBSD partition in blocks, or append\n"
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"a trailing `M' for megabytes (e.g. 20M).");
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if (val && (size = strtol(val, &cp, 0)) > 0) {
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if (*cp && toupper(*cp) == 'M')
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size *= ONE_MEG;
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Create_Chunk(d, chunk_info[current_chunk]->offset, size, freebsd, 3,
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(chunk_info[current_chunk]->flags & CHUNK_ALIGN));
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variable_set2(DISK_PARTITIONED, "yes");
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record_chunks(d);
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}
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}
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break;
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case 'D':
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if (chunk_info[current_chunk]->type == unused)
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msg = "Partition is already unused!";
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else {
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Delete_Chunk(d, chunk_info[current_chunk]);
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variable_set2(DISK_PARTITIONED, "yes");
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record_chunks(d);
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}
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break;
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case 'G': {
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char *val, geometry[80];
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snprintf(geometry, 80, "%lu/%lu/%lu", d->bios_cyl, d->bios_hd, d->bios_sect);
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val = msgGetInput(geometry, "Please specify the new geometry in cyl/hd/sect format.\n"
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"Don't forget to use the two slash (/) separator characters!\n"
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"It's not possible to parse the field without them.");
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if (val) {
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d->bios_cyl = strtol(val, &val, 0);
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d->bios_hd = strtol(val + 1, &val, 0);
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d->bios_sect = strtol(val + 1, 0, 0);
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}
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}
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break;
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case 'S':
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/* Set Bootable */
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chunk_info[current_chunk]->flags |= CHUNK_ACTIVE;
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break;
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case 'U':
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clear();
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if (msgYesNo("Are you SURE you want to Undo everything?"))
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break;
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d = Open_Disk(d->name);
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if (!d) {
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dialog_clear();
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msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", d->name);
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return;
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}
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Free_Disk(dev->private);
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dev->private = d;
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variable_unset(DISK_PARTITIONED);
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record_chunks(d);
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break;
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case 'W':
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if (!msgYesNo("Are you SURE you want to write this now? You do also\n"
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"have the option of not modifying the disk until *all*\n"
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"configuration information has been entered, at which\n"
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"point you can do it all at once. If you're unsure, then\n"
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"PLEASE CHOOSE NO at this dialog! This option is DANGEROUS\n"
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"if you do not know EXACTLY what you are doing!")) {
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variable_set2(DISK_PARTITIONED, "yes");
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clear();
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/* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated
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* disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested
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* booteasy or a "standard" MBR -- both would be fatal in this case.
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*/
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if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL
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&& (mbrContents = getBootMgr(d->name)) != NULL)
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Set_Boot_Mgr(d, mbrContents);
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if (diskPartitionWrite(NULL) != RET_SUCCESS) {
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dialog_clear();
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msgConfirm("Disk partition write returned an error status!");
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}
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else {
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msgConfirm("Wrote FDISK partition information out successfully.");
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}
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}
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break;
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case '|':
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if (!msgYesNo("Are you SURE you want to go into Wizard mode?\n"
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"No seat belts whatsoever are provided!")) {
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dialog_clear();
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end_dialog();
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DialogActive = FALSE;
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slice_wizard(d);
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variable_set2(DISK_PARTITIONED, "yes");
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dialog_clear();
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DialogActive = TRUE;
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record_chunks(d);
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}
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else
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msg = "Wise choice!";
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break;
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case 'Q':
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chunking = FALSE;
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clear();
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/* Don't trash the MBR if the first (and therefore only) chunk is marked for a truly dedicated
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* disk (i.e., the disklabel starts at sector 0), even in cases where the user has requested
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* booteasy or a "standard" MBR -- both would be fatal in this case.
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*/
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if ((d->chunks->part->flags & CHUNK_FORCE_ALL) != CHUNK_FORCE_ALL
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&& (mbrContents = getBootMgr(d->name)) != NULL)
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Set_Boot_Mgr(d, mbrContents);
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break;
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default:
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beep();
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msg = "Type F1 or ? for help";
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break;
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}
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}
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p = CheckRules(d);
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if (p) {
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dialog_clear();
|
|
msgConfirm(p);
|
|
free(p);
|
|
}
|
|
dialog_clear();
|
|
}
|
|
|
|
static int
|
|
partitionHook(char *str)
|
|
{
|
|
Device **devs = NULL;
|
|
|
|
/* Clip garbage off the ends */
|
|
string_prune(str);
|
|
str = string_skipwhite(str);
|
|
/* Try and open all the disks */
|
|
while (str) {
|
|
char *cp;
|
|
|
|
cp = index(str, '\n');
|
|
if (cp)
|
|
*cp++ = 0;
|
|
if (!*str) {
|
|
beep();
|
|
return 0;
|
|
}
|
|
devs = deviceFind(str, DEVICE_TYPE_DISK);
|
|
if (!devs) {
|
|
dialog_clear();
|
|
msgConfirm("Unable to find disk %s!", str);
|
|
return 0;
|
|
}
|
|
devs[0]->enabled = TRUE;
|
|
diskPartition(devs[0], (Disk *)devs[0]->private);
|
|
str = cp;
|
|
}
|
|
return devs ? 1 : 0;
|
|
}
|
|
|
|
int
|
|
diskPartitionEditor(char *str)
|
|
{
|
|
DMenu *menu;
|
|
Device **devs;
|
|
int i, cnt;
|
|
char *cp;
|
|
|
|
cp = variable_get(VAR_DISK);
|
|
devs = deviceFind(cp, DEVICE_TYPE_DISK);
|
|
cnt = deviceCount(devs);
|
|
if (!cnt) {
|
|
dialog_clear();
|
|
msgConfirm("No disks found! Please verify that your disk controller is being\n"
|
|
"properly probed at boot time. See the Hardware Guide on the\n"
|
|
"Documentation menu for clues on diagnosing this type of problem.");
|
|
i = RET_FAIL;
|
|
}
|
|
else if (cnt == 1) {
|
|
devs[0]->enabled = TRUE;
|
|
if (str && !strcmp(str, "script"))
|
|
scriptPartition(devs[0], (Disk *)devs[0]->private);
|
|
else
|
|
diskPartition(devs[0], (Disk *)devs[0]->private);
|
|
i = RET_SUCCESS;
|
|
variable_set2(DISK_SELECTED, "yes");
|
|
}
|
|
else {
|
|
menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook);
|
|
if (!menu) {
|
|
dialog_clear();
|
|
msgConfirm("No devices suitable for installation found!\n\n"
|
|
"Please verify that your disk controller (and attached drives)\n"
|
|
"were detected properly. This can be done by pressing the\n"
|
|
"[Scroll Lock] key and using the Arrow keys to move back to\n"
|
|
"the boot messages. Press [Scroll Lock] again to return.");
|
|
i = RET_FAIL;
|
|
}
|
|
else {
|
|
if (!dmenuOpenSimple(menu))
|
|
i = RET_FAIL;
|
|
else {
|
|
i = RET_SUCCESS;
|
|
variable_set2(DISK_SELECTED, "yes");
|
|
}
|
|
free(menu);
|
|
}
|
|
}
|
|
return i;
|
|
}
|
|
|
|
int
|
|
diskPartitionWrite(char *str)
|
|
{
|
|
extern u_char boot1[], boot2[];
|
|
Device **devs;
|
|
char *cp;
|
|
int i;
|
|
|
|
if ((cp = variable_get(DISK_PARTITIONED)) && strcmp(cp, "yes"))
|
|
return RET_SUCCESS;
|
|
else if (!cp) {
|
|
dialog_clear();
|
|
msgConfirm("You must partition the disk(s) before this option can be used.");
|
|
return RET_FAIL;
|
|
}
|
|
|
|
devs = deviceFind(NULL, DEVICE_TYPE_DISK);
|
|
if (!devs) {
|
|
dialog_clear();
|
|
msgConfirm("Unable to find any disks to write to??");
|
|
return RET_FAIL;
|
|
}
|
|
|
|
for (i = 0; devs[i]; i++) {
|
|
Chunk *c1;
|
|
Disk *d = (Disk *)devs[i]->private;
|
|
|
|
if (!devs[i]->enabled)
|
|
continue;
|
|
|
|
Set_Boot_Blocks(d, boot1, boot2);
|
|
msgNotify("Writing partition information to drive %s", d->name);
|
|
if (Write_Disk(d)) {
|
|
dialog_clear();
|
|
msgConfirm("ERROR: Unable to write data to disk %s!", d->name);
|
|
return RET_FAIL;
|
|
}
|
|
/* Now scan for bad blocks, if necessary */
|
|
for (c1 = d->chunks->part; c1; c1 = c1->next) {
|
|
if (c1->flags & CHUNK_BAD144) {
|
|
int ret;
|
|
|
|
msgNotify("Running bad block scan on partition %s", c1->name);
|
|
ret = vsystem("bad144 -v /dev/r%s 1234", c1->name);
|
|
if (ret) {
|
|
dialog_clear();
|
|
msgConfirm("Bad144 init on %s returned status of %d!", c1->name, ret);
|
|
}
|
|
ret = vsystem("bad144 -v -s /dev/r%s", c1->name);
|
|
if (ret) {
|
|
dialog_clear();
|
|
msgConfirm("Bad144 scan on %s returned status of %d!", c1->name, ret);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* Now it's not "yes", but "written" */
|
|
variable_set2(DISK_PARTITIONED, "written");
|
|
return RET_SUCCESS;
|
|
}
|