438 lines
11 KiB
C
438 lines
11 KiB
C
/* $NetBSD: disks.c,v 1.3 1997/10/07 04:01:30 phil Exp $ */
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/*
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* Copyright 1997 Piermont Information Systems Inc.
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* All rights reserved.
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*
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* Written by Philip A. Nelson for Piermont Information Systems Inc.
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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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* 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 develooped for the NetBSD Project by
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* Piermont Information Systems Inc.
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* 4. The name of Piermont Information Systems Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
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* AND 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 PIERMONT INFORMATION SYSTEMS INC. BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/* disks.c -- routines to deal with finding disks and labeling disks. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/param.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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#include "defs.h"
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#include "msg_defs.h"
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#include "menu_defs.h"
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#include "txtwalk.h"
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/* Local prototypes */
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static void found_disk(struct data *list, int num);
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static void foundffs (struct data *list, int num);
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struct lookfor msgbuf[] = {
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{"wd", "%s: %i, %d cyl, %d head, %d sec, %d", "c", NULL, found_disk},
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{"sd", "%s: %i, %d cyl, %d head, %d sec, %d b%i x %d", "c",
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NULL, found_disk}
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};
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int nummsgbuf = sizeof(msgbuf) / sizeof(struct lookfor);
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static void found_disk(struct data *list, int num)
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{ int i;
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if (numdisks < MAX_DISKS) {
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strncpy (disks[numdisks].name, list[0].u.s_val, SSTRSIZE);
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strncat (disknames, list[0].u.s_val,
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SSTRSIZE-1-strlen(disknames));
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strncat (disknames, " ", SSTRSIZE-1-strlen(disknames));
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disks[numdisks].geom[4] = 0;
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for (i=0; i<num-1; i++)
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disks[numdisks].geom[i] = list[i+1].u.i_val;
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numdisks++;
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}
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}
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int find_disks (void)
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{
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char *textbuf;
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int textsize;
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char *tp;
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char defname[STRSIZE];
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int i;
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/* initialize */
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disknames[0] = 0;
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numdisks = 0;
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/* Probe for hardware ... */
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textsize = collect (T_FILE, &textbuf, "/kern/msgbuf");
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if (textsize < 0) {
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endwin();
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fprintf (stderr, msg_string(MSG_openmsgbuf));
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exit(1);
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}
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walk (textbuf, textsize, msgbuf, nummsgbuf);
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free(textbuf);
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if (numdisks == 0) {
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/* No disks found! */
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msg_display (MSG_nodisk);
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process_menu (MENU_ok);
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endwin();
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return -1;
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} else if (numdisks == 1) {
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/* One disk found! */
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/* Remove that space we added. */
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disknames[strlen(disknames)-1] = 0;
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msg_display (MSG_onedisk, disknames, doingwhat);
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process_menu (MENU_ok);
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strcpy (diskdev, disknames);
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} else {
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/* Multiple disks found! */
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strcpy (defname, disknames);
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tp = defname;
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strsep(&tp, " ");
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msg_prompt (MSG_askdisk, defname, diskdev, 10, disknames);
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tp = diskdev;
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strsep(&tp, " ");
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diskdev[strlen(diskdev)+1] = 0;
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diskdev[strlen(diskdev)] = ' ';
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while (!(*diskdev == 'w' || *diskdev == 's') ||
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strstr(disknames, diskdev) == NULL) {
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msg_prompt (MSG_badname, defname, diskdev, 10,
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disknames);
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tp = diskdev;
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strsep(&tp, " ");
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diskdev[strlen(diskdev)+1] = 0;
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diskdev[strlen(diskdev)] = ' ';
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}
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/* Remove that space we added. */
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diskdev[strlen(diskdev)-1] = 0;
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}
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/* Set disk. */
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for (i=0; i<numdisks; i++)
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if (strcmp(diskdev, disks[i].name) == 0)
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disk = &disks[i];
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sectorsize = disk->geom[3];
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if (disk->geom[4] == 0)
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disk->geom[4] = disk->geom[0] * disk->geom[1] * disk->geom[2];
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return numdisks;
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}
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void disp_cur_fspart (int disp, int showall)
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{
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int i;
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int start, stop;
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if (disp < 0) {
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start = 0;
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stop = 8;
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} else {
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start = disp;
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stop = disp+1;
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}
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msg_display_add (MSG_fspart_head);
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for (i=start; i<stop; i++) {
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if (showall || bsdlabel[i][D_SIZE] > 0) {
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msg_printf_add (" %c:%10d%10d %6s",
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'a'+i,
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bsdlabel[i][D_SIZE]/sizemult ,
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bsdlabel[i][D_OFFSET]/sizemult,
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fstype[bsdlabel[i][D_FSTYPE]]);
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if (bsdlabel[i][D_FSTYPE] == T_42BSD)
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msg_printf_add ("%6d%6d %s",
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bsdlabel[i][D_BSIZE],
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bsdlabel[i][D_FSIZE],
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fsmount[i]);
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else if (bsdlabel[i][D_FSTYPE] == T_MSDOS)
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msg_printf_add ("%12s %s", "", fsmount[i]);
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msg_printf_add("\n");
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}
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}
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msg_printf_add("\n");
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}
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/* choose a fake geometry. */
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void scsi_fake (void)
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{
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long fact[20];
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int numf;
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int geom[5][4] = {{0}};
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int i, j;
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int sects = disk->geom[4];
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int head, sec;
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int stop = disk->geom[0]*disk->geom[1]*disk->geom[2];
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i=0;
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while (i < 4 && sects > stop) {
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factor (sects, fact, 20, &numf);
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if (numf >= 3) {
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head = fact[0];
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j = 1;
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while (j < numf-2 && head*fact[j] < 50)
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head *= fact[j++];
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sec = fact[j++];
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while (j < numf-1 && sec*fact[j] < 500)
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sec *= fact[j++];
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if (head >= 5 &&
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sec >= 50) {
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geom[i][0] = sects / (head*sec);
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geom[i][1] = head;
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geom[i][2] = sec;
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geom[i][3] = head * sec * geom[i][0];
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i++;
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}
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}
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sects--;
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}
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while (i < 5) {
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geom[i][0] = disk->geom[0];
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geom[i][1] = disk->geom[1];
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geom[i][2] = disk->geom[2];
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geom[i][3] = stop;
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i++;
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}
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msg_display (MSG_scsi_fake, disk->geom[4],
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geom[0][0], geom[0][1], geom[0][2], geom[0][3],
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geom[1][0], geom[1][1], geom[1][2], geom[1][3],
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geom[2][0], geom[2][1], geom[2][2], geom[2][3],
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geom[3][0], geom[3][1], geom[3][2], geom[3][3],
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geom[4][0], geom[4][1], geom[4][2], geom[4][3]);
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process_menu (MENU_scsi_fake);
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if (fake_sel >= 0) {
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dlcyl = disk->geom[0] = geom[fake_sel][0];
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dlhead = disk->geom[1] = geom[fake_sel][1];
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dlsec = disk->geom[2] = geom[fake_sel][2];
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dlsize = disk->geom[4] = geom[fake_sel][3];
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}
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}
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void write_disklabel (void)
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{
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/* disklabel the disk */
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printf ("%s", msg_string (MSG_dodisklabel));
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run_prog ("/sbin/disklabel -w -r %s %s", diskdev, bsddiskname);
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}
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void make_filesystems (void)
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{
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int i;
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/* Making new file systems and mounting them*/
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printf ("%s", msg_string (MSG_donewfs));
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for (i=0; i<8; i++)
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if (bsdlabel[i][D_FSTYPE] == T_42BSD) {
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run_prog ("/sbin/newfs /dev/r%s%c", diskdev, 'a'+i);
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if (*fsmount[i]) {
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if (i > 0) {
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run_prog ("/bin/mkdir /mnt%s",
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fsmount[i]);
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run_prog ("/sbin/mount -v /dev/%s%c"
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" /mnt%s",
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diskdev, 'a'+i,
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fsmount[i]);
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} else
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run_prog ("/sbin/mount -v /dev/%s%c"
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" /mnt", diskdev, 'a'+i);
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}
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}
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}
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void make_fstab (void)
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{
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FILE *f;
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int i;
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/* Create the fstab. */
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f = fopen ("/mnt/etc/fstab", "w");
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if (f == NULL) {
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#ifndef DEBUG
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(void)fprintf (stderr, msg_string (MSG_createfstab));
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exit(1);
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#else
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f = stdout;
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#endif
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}
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(void)fprintf (f, "/dev/%sa / ffs rw 1 1\n", diskdev);
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(void)fprintf (f, "/dev/%sb none swap sw 0 0\n", diskdev);
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for (i=4; i<8; i++)
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if (bsdlabel[i][D_FSTYPE] == T_42BSD)
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(void)fprintf (f, "/dev/%s%c %s ffs rw 1 2\n",
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diskdev, 'a'+i, fsmount[i]);
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else if (bsdlabel[i][D_FSTYPE] == T_MSDOS )
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(void)fprintf (f, "/dev/%s%c %s msdos rw 0 0\n",
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diskdev, 'a'+i, fsmount[i]);
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(void)fprintf (f, "/kern /kern kernfs rw\n");
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#ifndef DEBUG
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fclose(f);
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#endif
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}
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/* Get information on the file systems mounted from the root filesystem.
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* Offer to convert them into 4.4BSD inodes if they are not 4.4BSD
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* inodes. Fsck them. Mount them.
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*/
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static struct lookfor fstabbuf[] = {
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{"/dev/", "/dev/%s %s ffs", "c", NULL, foundffs},
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{"/dev/", "/dev/%s %s ufs", "c", NULL, foundffs},
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};
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static int numfstabbuf = sizeof(fstabbuf) / sizeof(struct lookfor);
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#define MAXDEVS 40
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static char dev[MAXDEVS][SSTRSIZE];
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static char mnt[MAXDEVS][STRSIZE];
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static int devcnt = 0;
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static void
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foundffs (struct data *list, int num)
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{
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if (strcmp(list[1].u.s_val, "/") != 0) {
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strncpy(dev[devcnt], list[0].u.s_val, SSTRSIZE);
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strncpy(mnt[devcnt], list[1].u.s_val, STRSIZE);
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devcnt++;
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}
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}
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static int
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inode_kind (char *dev)
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{
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union { struct fs fs; char pad[SBSIZE];} fs;
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int fd;
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int ret;
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fd = open (dev, O_RDONLY, 0);
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if (fd < 0)
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return fd;
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if (lseek(fd, (off_t)SBOFF, SEEK_SET) == (off_t)-1)
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return -1;
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if ((ret = read(fd, &fs, SBSIZE)) != SBSIZE) {
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close (fd);
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return -1;
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}
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close (fd);
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if (fs.fs.fs_magic != FS_MAGIC)
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return -1;
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if (fs.fs.fs_inodefmt < FS_44INODEFMT)
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return 0;
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return 1;
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}
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static int
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do_fsck(char *disk, char *part)
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{
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char raw[SSTRSIZE];
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int inodetype;
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char * upgr = "";
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snprintf (raw, SSTRSIZE, "/dev/r%s%s", disk, part);
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inodetype = inode_kind (raw);
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if (inodetype < 0) {
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/* error */
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return 0;
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}
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else if (inodetype == 0) {
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/* Ask to upgrade */
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msg_display (MSG_upgrinode, raw);
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process_menu (MENU_yesno);
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if (yesno)
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upgr = "-c ";
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}
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endwin();
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if (run_prog ("/sbin/fsck -f -p %s%s", upgr, raw)) {
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wrefresh(stdscr);
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return 0;
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}
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wrefresh(stdscr);
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return 1;
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}
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int
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fsck_disks (void)
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{ char *fstab;
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int fstabsize;
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int i;
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/* First the root device. */
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if (!do_fsck (diskdev, "a")) {
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msg_display (MSG_badfs, diskdev, "a");
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process_menu (MENU_ok);
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return 0;
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}
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if (run_prog ("/sbin/mount /dev/%sa /mnt", diskdev)) {
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msg_display (MSG_badmount, diskdev, "a");
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process_menu (MENU_ok);
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return 0;
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}
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/* Get the fstab. */
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fs_num = 0;
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fstabsize = collect (T_FILE, &fstab, "/mnt/etc/fstab");
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if (fstabsize < 0) {
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/* error ! */
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return 0;
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}
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walk (fstab, fstabsize, fstabbuf, numfstabbuf);
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free(fstab);
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for (i=0; i < devcnt; i++) {
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if (!do_fsck (dev[i], "")) {
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msg_display (MSG_badfs, dev[i], "");
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process_menu (MENU_ok);
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return 0;
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}
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if (run_prog ("/sbin/mount /dev/%s %s", dev[i], mnt[i])) {
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msg_display (MSG_badmount, dev[i], "");
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process_menu (MENU_ok);
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return 0;
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}
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}
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return 1;
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}
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