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673 lines
20 KiB
C
673 lines
20 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 1.89 1997/09/03 10:47:44 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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*
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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 diskPartitionNonInteractive(Device *dev, Disk *d);
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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 = NULL;
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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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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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if (current_chunk >= i)
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current_chunk = i - 1;
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}
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static int Total;
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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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for (i = Total = 0; chunk_info[i]; i++)
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Total += chunk_info[i]->size;
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if (d->bios_cyl > 65536 || d->bios_hd > 256 || d->bios_sect >= 64) {
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dialog_clear_norefresh();
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msgConfirm("WARNING: A geometry of %d/%d/%d for %s is incorrect. Using\n"
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"a more likely geometry. If this geometry is incorrect or you\n"
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"are unsure as to whether or not it's correct, please consult\n"
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"the Hardware Guide in the Documentation submenu or use the\n"
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"(G)eometry command to change it now.\n\n"
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"Remember: you need to enter whatever your BIOS thinks the\n"
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"geometry is! For IDE, it's what you were told in the BIOS\n"
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"setup. For SCSI, it's the translation mode your controller is\n"
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"using. Do NOT use a ``physical geometry''.",
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d->bios_cyl, d->bios_hd, d->bios_sect, d->name);
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Sanitize_Bios_Geom(d);
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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 = %lu sectors",
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d->bios_cyl, d->bios_hd, d->bios_sect,
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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(ATTR_SELECTED);
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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,
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slice_type_name(chunk_info[i]->type, chunk_info[i]->subtype),
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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 Slice");
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mvprintw(17, 0, "D = Delete Slice G = Set Drive Geometry S = Set Bootable");
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mvprintw(18, 0, "U = Undo All Changes Q = Finish");
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if (!RunningAsInit)
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mvprintw(18, 48, "W = Write Changes");
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mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to select.");
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move(0, 0);
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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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i = dmenuOpenSimple(&MenuMBRType, FALSE);
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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 *cp, *p;
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int rv, 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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WINDOW *w = savescr();
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chunking = TRUE;
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keypad(stdscr, TRUE);
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/* Flush both the dialog and curses library views of the screen
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since we don't always know who called us */
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dialog_clear_norefresh(), clear();
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current_chunk = 0;
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/* Set up the chunk array */
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record_chunks(d);
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while (chunking) {
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char *val, geometry[80];
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/* Now print our overall state */
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if (d)
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print_chunks(d);
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print_command_summary();
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if (msg) {
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attrset(title_attr); mvprintw(23, 0, msg); attrset(A_NORMAL);
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beep();
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msg = NULL;
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}
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else {
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move(23, 0);
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clrtoeol();
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}
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/* Get command character */
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key = getch();
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switch (toupper(key)) {
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case '\014': /* ^L (redraw) */
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clear();
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msg = NULL;
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break;
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case '\020': /* ^P */
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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 '\016': /* ^N */
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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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clear();
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break;
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case 'A':
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cp = variable_get(VAR_DEDICATE_DISK);
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if (cp && !strcasecmp(cp, "always"))
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rv = 1;
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else {
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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)?\n"
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"(See also the section about ``dangerously dedicated''\n"
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"disks in the FreeBSD FAQ.)");
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if (rv == -1)
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rv = 0;
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}
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All_FreeBSD(d, rv);
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variable_set2(DISK_PARTITIONED, "yes");
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record_chunks(d);
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clear();
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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 slice.";
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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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clear();
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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 = "Slice 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, subtype;
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chunk_e partitiontype;
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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 slice in blocks\n"
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"or append 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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strcpy(tmp, "165");
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val = msgGetInput(tmp, "Enter type of partition to create:\n\n"
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"Pressing Enter will choose the default, a native FreeBSD\n"
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"slice (type 165). You can choose other types, 6 for a\n"
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"DOS partition or 131 for a Linux partition, for example.\n\n"
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"Note: If you choose a non-FreeBSD partition type, it will not\n"
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"be formatted or otherwise prepared, it will simply reserve space\n"
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"for you to use another tool, such as DOS FORMAT, to later format\n"
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"and use the partition.");
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if (val && (subtype = strtol(val, NULL, 0)) > 0) {
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if (subtype==165)
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partitiontype=freebsd;
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else if (subtype==6)
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partitiontype=fat;
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else
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partitiontype=unknown;
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Create_Chunk(d, chunk_info[current_chunk]->offset, size, partitiontype, subtype,
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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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clear();
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}
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break;
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case KEY_DC:
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case 'D':
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if (chunk_info[current_chunk]->type == unused)
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msg = "Slice 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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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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long nc, nh, ns;
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nc = strtol(val, &val, 0);
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nh = strtol(val + 1, &val, 0);
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ns = strtol(val + 1, 0, 0);
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Set_Bios_Geom(d, nc, nh, ns);
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}
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clear();
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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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if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) {
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msgConfirm("You've already written this information out - you\n"
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"can't undo it.");
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}
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else if (!msgYesNo("Are you SURE you want to Undo everything?")) {
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char cp[BUFSIZ];
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sstrncpy(cp, d->name, sizeof cp);
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Free_Disk(dev->private);
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d = Open_Disk(cp);
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if (!d)
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msgConfirm("Can't reopen disk %s! Internal state is probably corrupted", cp);
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dev->private = d;
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variable_unset(DISK_PARTITIONED);
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variable_unset(DISK_LABELLED);
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if (d)
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record_chunks(d);
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}
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clear();
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break;
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case 'W':
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if ((cp = variable_get(DISK_LABELLED)) && !strcmp(cp, "written")) {
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msgConfirm("You've already written this information out - if\n"
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"you wish to overwrite it, you'll have to restart.");
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}
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else if (!msgYesNo("WARNING: This should only be used when modifying an EXISTING\n"
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"installation. If you are installing FreeBSD for the first time\n"
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"then you should simply type Q when you're finished here and your\n"
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"changes will be committed in one batch automatically at the end of\n"
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"these questions.\n\n"
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"Are you absolutely sure you want to do this now?")) {
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variable_set2(DISK_PARTITIONED, "yes");
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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) && (mbrContents = getBootMgr(d->name)) != NULL)
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Set_Boot_Mgr(d, mbrContents);
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if (DITEM_STATUS(diskPartitionWrite(NULL)) != DITEM_SUCCESS)
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msgConfirm("Disk partition write returned an error status!");
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else
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msgConfirm("Wrote FDISK partition information out successfully.");
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}
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clear();
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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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clear();
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refresh();
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slice_wizard(d);
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variable_set2(DISK_PARTITIONED, "yes");
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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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clear();
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break;
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case '\033': /* ESC */
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case 'Q':
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chunking = FALSE;
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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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char buf[FILENAME_MAX];
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dialog_clear_norefresh();
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use_helpline("Press F1 to read more about disk slices.");
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use_helpfile(systemHelpFile("partition", buf));
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if (!variable_get(VAR_NO_WARN))
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dialog_mesgbox("Disk slicing warning:", p, -1, -1);
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free(p);
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}
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restorescr(w);
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}
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static int
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partitionHook(dialogMenuItem *selected)
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{
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Device **devs = NULL;
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devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK);
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if (!devs) {
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msgConfirm("Unable to find disk %s!", selected->prompt);
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return DITEM_FAILURE;
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}
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/* Toggle enabled status? */
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if (!devs[0]->enabled) {
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devs[0]->enabled = TRUE;
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diskPartition(devs[0], (Disk *)devs[0]->private);
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}
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else
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devs[0]->enabled = FALSE;
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return DITEM_SUCCESS | DITEM_REDRAW;
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}
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static int
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partitionCheck(dialogMenuItem *selected)
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{
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Device **devs = NULL;
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devs = deviceFind(selected->prompt, DEVICE_TYPE_DISK);
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if (!devs || devs[0]->enabled == FALSE)
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return FALSE;
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return TRUE;
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}
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int
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diskPartitionEditor(dialogMenuItem *self)
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{
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DMenu *menu;
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Device **devs;
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int i, cnt;
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char *cp;
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cp = variable_get(VAR_DISK);
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devs = deviceFind(cp, DEVICE_TYPE_DISK);
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cnt = deviceCount(devs);
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if (!cnt) {
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msgConfirm("No disks found! Please verify that your disk controller is being\n"
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"properly probed at boot time. See the Hardware Guide on the\n"
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"Documentation menu for clues on diagnosing this type of problem.");
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i = DITEM_FAILURE;
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}
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else if (cnt == 1) {
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devs[0]->enabled = TRUE;
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if (variable_get(VAR_NONINTERACTIVE))
|
|
diskPartitionNonInteractive(devs[0], (Disk *)devs[0]->private);
|
|
else
|
|
diskPartition(devs[0], (Disk *)devs[0]->private);
|
|
i = DITEM_SUCCESS;
|
|
}
|
|
else {
|
|
menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook, partitionCheck);
|
|
if (!menu) {
|
|
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 = DITEM_FAILURE;
|
|
}
|
|
else {
|
|
i = dmenuOpenSimple(menu, FALSE) ? DITEM_SUCCESS : DITEM_FAILURE;
|
|
free(menu);
|
|
}
|
|
i = i | DITEM_RESTORE;
|
|
}
|
|
return i;
|
|
}
|
|
|
|
int
|
|
diskPartitionWrite(dialogMenuItem *self)
|
|
{
|
|
Device **devs;
|
|
char *cp;
|
|
int i;
|
|
|
|
if ((cp = variable_get(DISK_PARTITIONED)) && strcmp(cp, "yes"))
|
|
return DITEM_SUCCESS;
|
|
else if (!cp) {
|
|
msgConfirm("You must partition the disk(s) before this option can be used.");
|
|
return DITEM_FAILURE;
|
|
}
|
|
|
|
devs = deviceFind(NULL, DEVICE_TYPE_DISK);
|
|
if (!devs) {
|
|
msgConfirm("Unable to find any disks to write to??");
|
|
return DITEM_FAILURE;
|
|
}
|
|
if (isDebug())
|
|
msgDebug("diskPartitionWrite: Examining %d devices\n", deviceCount(devs));
|
|
|
|
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 (!Fake && Write_Disk(d)) {
|
|
msgConfirm("ERROR: Unable to write data to disk %s!", d->name);
|
|
return DITEM_FAILURE;
|
|
}
|
|
/* 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 slice %s", c1->name);
|
|
if (!Fake) {
|
|
ret = vsystem("bad144 -v /dev/r%s 1234", c1->name);
|
|
if (ret)
|
|
msgConfirm("Bad144 init on %s returned status of %d!", c1->name, ret);
|
|
ret = vsystem("bad144 -v -s /dev/r%s", c1->name);
|
|
if (ret)
|
|
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 DITEM_SUCCESS;
|
|
}
|
|
|
|
/* Partition a disk based wholly on which variables are set */
|
|
static void
|
|
diskPartitionNonInteractive(Device *dev, Disk *d)
|
|
{
|
|
char *cp;
|
|
int i, sz, all_disk = 0;
|
|
u_char *mbrContents;
|
|
|
|
record_chunks(d);
|
|
cp = variable_get(VAR_GEOMETRY);
|
|
if (cp) {
|
|
msgDebug("Setting geometry from script to: %s\n", cp);
|
|
d->bios_cyl = strtol(cp, &cp, 0);
|
|
d->bios_hd = strtol(cp + 1, &cp, 0);
|
|
d->bios_sect = strtol(cp + 1, 0, 0);
|
|
}
|
|
|
|
cp = variable_get(VAR_PARTITION);
|
|
if (cp) {
|
|
if (!strcmp(cp, "free")) {
|
|
/* Do free disk space case */
|
|
for (i = 0; chunk_info[i]; i++) {
|
|
/* If a chunk is at least 10MB in size, use it. */
|
|
if (chunk_info[i]->type == unused && chunk_info[i]->size > (10 * ONE_MEG)) {
|
|
Create_Chunk(d, chunk_info[i]->offset, chunk_info[i]->size, freebsd, 3,
|
|
(chunk_info[i]->flags & CHUNK_ALIGN));
|
|
variable_set2(DISK_PARTITIONED, "yes");
|
|
break;
|
|
}
|
|
}
|
|
if (!chunk_info[i]) {
|
|
dialog_clear();
|
|
msgConfirm("Unable to find any free space on this disk!");
|
|
return;
|
|
}
|
|
}
|
|
else if (!strcmp(cp, "all")) {
|
|
/* Do all disk space case */
|
|
msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name);
|
|
|
|
All_FreeBSD(d, FALSE);
|
|
}
|
|
else if (!strcmp(cp, "exclusive")) {
|
|
/* Do really-all-the-disk-space case */
|
|
msgDebug("Warning: Devoting all of disk %s to FreeBSD.\n", d->name);
|
|
|
|
All_FreeBSD(d, all_disk = TRUE);
|
|
}
|
|
else if ((sz = strtol(cp, &cp, 0))) {
|
|
/* Look for sz bytes free */
|
|
if (*cp && toupper(*cp) == 'M')
|
|
sz *= ONE_MEG;
|
|
for (i = 0; chunk_info[i]; i++) {
|
|
/* If a chunk is at least sz MB, use it. */
|
|
if (chunk_info[i]->type == unused && chunk_info[i]->size >= sz) {
|
|
Create_Chunk(d, chunk_info[i]->offset, sz, freebsd, 3, (chunk_info[i]->flags & CHUNK_ALIGN));
|
|
variable_set2(DISK_PARTITIONED, "yes");
|
|
break;
|
|
}
|
|
}
|
|
if (!chunk_info[i]) {
|
|
dialog_clear();
|
|
msgConfirm("Unable to find %d free blocks on this disk!", sz);
|
|
return;
|
|
}
|
|
}
|
|
else if (!strcmp(cp, "existing")) {
|
|
/* Do existing FreeBSD case */
|
|
for (i = 0; chunk_info[i]; i++) {
|
|
if (chunk_info[i]->type == freebsd)
|
|
break;
|
|
}
|
|
if (!chunk_info[i]) {
|
|
dialog_clear();
|
|
msgConfirm("Unable to find any existing FreeBSD partitions on this disk!");
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
dialog_clear();
|
|
msgConfirm("`%s' is an invalid value for %s - is config file valid?", cp, VAR_PARTITION);
|
|
return;
|
|
}
|
|
if (!all_disk) {
|
|
mbrContents = getBootMgr(d->name);
|
|
Set_Boot_Mgr(d, mbrContents);
|
|
}
|
|
variable_set2(DISK_PARTITIONED, "yes");
|
|
}
|
|
}
|