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freebsd/release/sysinstall/disks.c
Jordan K. Hubbard c49678020c Implement most of the CD extract code.
Clean up a few last display bugs.
Add sanity checking that makes sure user creates root and swap partitions.
Add swap partitions with swapon().
1995-05-22 14:10:25 +00:00

331 lines
9.0 KiB
C

/*
* The new sysinstall program.
*
* This is probably the last program in the `sysinstall' line - the next
* generation being essentially a complete rewrite.
*
* $Id: disks.c,v 1.26 1995/05/21 06:12:42 phk Exp $
*
* Copyright (c) 1995
* Jordan Hubbard. 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.
*
*/
#include "sysinstall.h"
#include <ctype.h>
#include <sys/disklabel.h>
/* Where we start displaying chunk information on the screen */
#define CHUNK_START_ROW 5
/* Where we keep track of MBR chunks */
static struct chunk *chunk_info[10];
static int current_chunk;
static void
record_chunks(Disk *d)
{
struct chunk *c1;
int i = 0;
int last_free = 0;
if (!d->chunks)
msgFatal("No chunk list found for %s!", d->name);
c1 = d->chunks->part;
current_chunk = 0;
while (c1) {
if (c1->type == unused && c1->size > last_free) {
last_free = c1->size;
current_chunk = i;
}
chunk_info[i++] = c1;
c1 = c1->next;
}
chunk_info[i] = NULL;
}
static void
print_chunks(Disk *d)
{
int row;
int i;
attrset(A_NORMAL);
mvaddstr(0, 0, "Disk name:\t");
clrtobot();
attrset(A_REVERSE); addstr(d->name); attrset(A_NORMAL);
attrset(A_REVERSE); mvaddstr(0, 55, "Master Partition Editor"); attrset(A_NORMAL);
mvprintw(1, 0,
"BIOS Geometry:\t%lu cyls/%lu heads/%lu sectors",
d->bios_cyl, d->bios_hd, d->bios_sect);
mvprintw(3, 1, "%10s %10s %10s %8s %8s %8s %8s %8s",
"Offset", "Size", "End", "Name", "PType", "Desc",
"Subtype", "Flags");
for (i = 0, row = CHUNK_START_ROW; chunk_info[i]; i++, row++) {
if (i == current_chunk)
attrset(A_REVERSE);
mvprintw(row, 2, "%10ld %10lu %10lu %8s %8d %8s %8d %6lx",
chunk_info[i]->offset, chunk_info[i]->size,
chunk_info[i]->end, chunk_info[i]->name,
chunk_info[i]->type, chunk_n[chunk_info[i]->type],
chunk_info[i]->subtype, chunk_info[i]->flags);
if (i == current_chunk)
attrset(A_NORMAL);
}
}
static void
print_command_summary()
{
mvprintw(14, 0, "The following commands are supported (in upper or lower case):");
mvprintw(16, 0, "A = Use Entire Disk B = Bad Block Scan C = Create Partition");
mvprintw(17, 0, "D = Delete Partition G = Set BIOS Geometry S = Set Bootable");
mvprintw(18, 0, "U = Undo All Changes W = `Wizard' Mode ESC = Exit this screen");
mvprintw(20, 0, "The currently selected partition is displayed in ");
attrset(A_REVERSE); addstr("reverse video."); attrset(A_NORMAL);
mvprintw(21, 0, "Use F1 or ? to get more help, arrow keys to move.");
move(0, 0);
}
static Disk *
diskPartition(Disk *d)
{
char *p;
int key = 0;
Boolean chunking;
char *msg = NULL;
char name[40];
chunking = TRUE;
strncpy(name, d->name, 40);
keypad(stdscr, TRUE);
clear();
record_chunks(d);
while (chunking) {
print_chunks(d);
print_command_summary();
if (msg) {
standout(); mvprintw(23, 0, msg); standend();
beep();
msg = NULL;
}
key = toupper(getch());
switch (key) {
case KEY_UP:
case '-':
if (current_chunk != 0)
--current_chunk;
break;
case KEY_DOWN:
case '+':
case '\r':
case '\n':
if (chunk_info[current_chunk + 1])
++current_chunk;
break;
case KEY_HOME:
current_chunk = 0;
break;
case KEY_END:
while (chunk_info[current_chunk + 1])
++current_chunk;
break;
case KEY_F(1):
case '?':
systemDisplayFile("slice.hlp");
break;
case 'A':
All_FreeBSD(d);
record_chunks(d);
break;
case 'B':
if (chunk_info[current_chunk]->type != freebsd)
msg = "Can only scan for bad blocks in FreeBSD partition.";
else if (strncmp(name, "sd", 2) ||
!msgYesNo("This typically makes sense only for ESDI, IDE or MFM drives.\nAre you sure you want to do this on a SCSI disk?"))
if (chunk_info[current_chunk]->flags & CHUNK_BAD144)
chunk_info[current_chunk]->flags &= ~CHUNK_BAD144;
else
chunk_info[current_chunk]->flags |= CHUNK_BAD144;
break;
case 'C':
if (chunk_info[current_chunk]->type != unused)
msg = "Partition in use, delete it first or move to an unused one.";
else {
char *val, tmp[20], *cp;
int size;
snprintf(tmp, 20, "%d", chunk_info[current_chunk]->size);
val = msgGetInput(tmp, "Please specify the size for new FreeBSD partition in blocks, or append\na trailing `M' for megabytes (e.g. 20M).");
if (val && (size = strtol(val, &cp, 0)) > 0) {
if (*cp && toupper(*cp) == 'M')
size *= 2048;
Create_Chunk(d, chunk_info[current_chunk]->offset,
size,
freebsd,
3,
(chunk_info[current_chunk]->flags &
CHUNK_ALIGN));
record_chunks(d);
}
}
break;
case 'D':
if (chunk_info[current_chunk]->type == unused)
msg = "Partition is already unused!";
else {
Delete_Chunk(d, chunk_info[current_chunk]);
record_chunks(d);
}
break;
case 'G': {
char *val, geometry[80];
snprintf(geometry, 80, "%lu/%lu/%lu",
d->bios_cyl, d->bios_hd, d->bios_sect);
val = msgGetInput(geometry,
"Please specify the new geometry in cyl/hd/sect format.\nDon't forget to use the two slash (/) separator characters!\nIt's not possible to parse the field without them.");
if (val) {
d->bios_cyl = strtol(val, &val, 0);
d->bios_hd = strtol(val + 1, &val, 0);
d->bios_sect = strtol(val + 1, 0, 0);
}
}
break;
case 'S':
/* Set Bootable */
chunk_info[current_chunk]->flags |= CHUNK_ACTIVE;
break;
case 'U':
Free_Disk(d);
d = Open_Disk(name);
if (!d)
msgFatal("Can't reopen disk %s!", name);
record_chunks(d);
break;
case 'W':
if (!msgYesNo("Are you sure you want to go into Wizard mode?\nNo seat belts whatsoever are provided!")) {
dialog_clear();
end_dialog();
DialogActive = FALSE;
slice_wizard(d);
dialog_clear();
DialogActive = TRUE;
record_chunks(d);
}
else
msg = "Wise choice!";
break;
case 27: /* ESC */
chunking = FALSE;
break;
default:
beep();
msg = "Type F1 or ? for help";
break;
}
}
p = CheckRules(d);
if (p) {
msgConfirm(p);
free(p);
}
dialog_clear();
variable_set2(DISK_PARTITIONED, "yes");
return d;
}
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) {
msgConfirm("Unable to find disk %s!", str);
return 0;
}
else if (devs[1])
msgConfirm("Bizarre multiple match for %s!", str);
devs[0]->private = diskPartition((Disk *)devs[0]->private);
devs[0]->enabled = TRUE;
str = cp;
}
return devs ? 1 : 0;
}
int
diskPartitionEditor(char *str)
{
DMenu *menu;
menu = deviceCreateMenu(&MenuDiskDevices, DEVICE_TYPE_DISK, partitionHook);
if (!menu) {
msgConfirm("No devices suitable for installation found!\n\nPlease verify that your disk controller (and attached drives) were detected properly. This can be done by selecting the ``Bootmsg'' option on the main menu and reviewing the boot messages carefully.");
}
else {
dmenuOpenSimple(menu);
free(menu);
}
return 0;
}