677 lines
17 KiB
C
677 lines
17 KiB
C
/* $NetBSD: disks.c,v 1.46 2002/08/12 02:22:52 grant 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 developed 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 <errno.h>
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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 <util.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 "md.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 get_disks (void);
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static void foundffs (struct data *list, int num);
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static int do_fsck(const char *diskpart);
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static int fsck_root (void);
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static int
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do_flfs_newfs(const char *partname, int part, const char *mountpoint);
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static int fsck_num(const char *mp);
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static int fsck_with_error_menu(const char *diskpart);
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static int target_mount_with_error_menu(const char *opt, char *diskpart,
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const char *mntpt);
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static void
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get_disks(void)
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{
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char **xd = disk_names;
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char d_name[SSTRSIZE];
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struct disklabel l;
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int i;
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while (*xd != NULL) {
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for (i=0; i< MAX_DISKS; i++) {
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snprintf(d_name, SSTRSIZE, "%s%d", *xd, i);
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if (get_geom(d_name, &l) && numdisks < MAX_DISKS) {
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strncpy (disks[numdisks].dd_name,
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d_name, SSTRSIZE);
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strncat (disknames, d_name,
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SSTRSIZE-1-strlen(disknames));
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strncat (disknames, " ",
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SSTRSIZE-1-strlen(disknames));
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disks[numdisks].dd_cyl = l.d_ncylinders;
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disks[numdisks].dd_head = l.d_ntracks;
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disks[numdisks].dd_sec = l.d_nsectors;
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disks[numdisks].dd_secsize = l.d_secsize;
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disks[numdisks].dd_totsec = l.d_secperunit;
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numdisks++;
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}
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}
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xd++;
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}
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}
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int
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find_disks(void)
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{
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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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/* Find disks. */
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get_disks();
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/* need a redraw here, kernel messages hose everything */
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touchwin(stdscr);
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refresh();
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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 (!ISDISKSTART(*diskdev) ||
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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].dd_name) == 0)
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disk = &disks[i];
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sectorsize = disk->dd_secsize;
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if (disk->dd_totsec == 0)
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disk->dd_totsec = disk->dd_cyl * disk->dd_head * disk->dd_sec;
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dlcyl = disk->dd_cyl;
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dlhead = disk->dd_head;
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dlsec = disk->dd_sec;
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dlsize = disk->dd_totsec;
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dlcylsize = dlhead * dlsec;
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return numdisks;
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}
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void
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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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int poffset, psize, pend;
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if (disp < 0) {
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start = 0;
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stop = getmaxpartitions();
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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_table_add (MSG_fspart_header);
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for (i = start; i < stop; i++) {
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if (showall || bsdlabel[i].pi_size > 0) {
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poffset = bsdlabel[i].pi_offset / sizemult;
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psize = bsdlabel[i].pi_size / sizemult;
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if (psize == 0)
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pend = 0;
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else
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pend = (bsdlabel[i].pi_offset +
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bsdlabel[i].pi_size) / sizemult - 1;
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msg_table_add(MSG_fspart_row_start,
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'a'+i, poffset, pend, psize,
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fstypenames[bsdlabel[i].pi_fstype]);
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if (PI_ISBSDFS(&bsdlabel[i]))
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msg_table_add(MSG_fspart_row_end_bsd,
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bsdlabel[i].pi_bsize,
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bsdlabel[i].pi_fsize,
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preservemount[i] ? "Yes" : "No",
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fsmount[i]);
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else if (bsdlabel[i].pi_fstype == FS_MSDOS)
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msg_table_add(MSG_fspart_row_end_msdos,
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fsmount[i]);
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else
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msg_table_add(MSG_fspart_row_end_other);
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}
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}
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msg_display_add(MSG_newline);
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}
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/*
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* Label a disk using an MD-specific string DISKLABEL_CMD for
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* to invoke disklabel.
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* if MD code does not define DISKLABEL_CMD, this is a no-op.
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*
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* i386 port uses "/sbin/disklabel -w -r", just like i386
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* miniroot scripts, though this may leave a bogus incore label.
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*
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* Sun ports should use DISKLABEL_CMD "/sbin/disklabel -w"
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* to get incore to ondisk inode translation for the Sun proms.
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*/
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int
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write_disklabel (void)
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{
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#ifdef DISKLABEL_CMD
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/* disklabel the disk */
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return run_prog(RUN_DISPLAY, MSG_cmdfail,
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"%s %s %s", DISKLABEL_CMD, diskdev, bsddiskname);
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#endif
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return 0;
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}
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int
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make_filesystems(void)
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{
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int i;
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char partname[STRSIZE];
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int error;
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/* Making new file systems and mounting them*/
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for (i = 0; i < getmaxpartitions(); i++) {
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/*
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* newfs and mount. For now, process only BSD filesystems.
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* but if this is the mounted-on root, has no mount
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* point defined, or is marked preserve, don't touch it!
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*/
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snprintf(partname, STRSIZE, "%s%c", diskdev, 'a'+i);
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if (PI_ISBSDFS(&bsdlabel[i]) && !is_active_rootpart(partname)) {
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error = do_flfs_newfs(partname, i, fsmount[i]);
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if (error)
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return error;
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}
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}
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return 0;
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}
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/* newfs and mount an ffs filesystem. */
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static int
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do_flfs_newfs(const char *partname, int partno, const char *mountpoint)
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{
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char devname[STRSIZE];
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int error;
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if (*mountpoint && !preservemount[partno])
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error = run_prog(RUN_DISPLAY, MSG_cmdfail, "%s /dev/r%s",
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bsdlabel[partno].pi_fstype == FS_BSDFFS ?
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"/sbin/newfs" : "/sbin/newfs_lfs", partname);
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else
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error = 0;
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if (*mountpoint && error == 0) {
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snprintf(devname, STRSIZE, "/dev/%s", partname);
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if (partno > 0) /* XXX strcmp(mountpoint, "/") ? XXX */
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make_target_dir(mountpoint);
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error = target_mount(bsdlabel[partno].pi_fstype == FS_BSDFFS ?
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"-v -o async" : "-v", devname, mountpoint);
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if (error) {
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msg_display(MSG_mountfail, devname, mountpoint);
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process_menu (MENU_ok);
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}
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}
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return error;
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}
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int
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make_fstab(void)
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{
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FILE *f;
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int i, swapdev = -1;
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/* Create the fstab. */
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make_target_dir("/etc");
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f = target_fopen("/etc/fstab", "w");
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if (logging)
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(void)fprintf(log, "Creating %s/etc/fstab.\n", target_prefix());
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scripting_fprintf(NULL, "cat <<EOF >%s/etc/fstab\n", target_prefix());
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if (f == NULL) {
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#ifndef DEBUG
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msg_display(MSG_createfstab);
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if (logging)
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(void)fprintf(log, "Failed to make /etc/fstab!\n");
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process_menu(MENU_ok);
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return 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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for (i = 0; i < getmaxpartitions(); i++)
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if (bsdlabel[i].pi_fstype == FS_BSDFFS) {
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char *s = "#";
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if (*fsmount[i] != '\0')
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s++;
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scripting_fprintf(f, "%s/dev/%s%c %s ffs rw 1 %d\n", s,
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diskdev, 'a'+i, fsmount[i],
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fsck_num(fsmount[i]));
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} else if (bsdlabel[i].pi_fstype == FS_BSDLFS) {
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char *s = "#";
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/* If there is no LFS, just comment it out. */
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if (!check_lfs_progs() && *fsmount[i] != '\0')
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s++;
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scripting_fprintf(f, "%s/dev/%s%c %s lfs rw 1 %d\n", s,
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diskdev, 'a'+i, fsmount[i],
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fsck_num(fsmount[i]));
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} else if (bsdlabel[i].pi_fstype == FS_MSDOS) {
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char *s = "#";
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if (*fsmount[i] != '\0')
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s++;
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scripting_fprintf(f, "%s/dev/%s%c %s msdos rw 0 0\n", s,
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diskdev, 'a'+i, fsmount[i]);
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} else if (bsdlabel[i].pi_fstype == FS_SWAP) {
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if (swapdev == -1)
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swapdev = i;
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scripting_fprintf(f, "/dev/%s%c none swap sw 0 0\n", diskdev, 'a'+i);
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}
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if (layout_tmp) {
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if (swapdev != -1)
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scripting_fprintf(f, "/dev/%s%c /tmp mfs rw\n", diskdev, 'a'+swapdev);
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else
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scripting_fprintf(f, "swap /tmp mfs rw\n");
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}
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scripting_fprintf(script, "/kern /kern kernfs rw\n");
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scripting_fprintf(NULL, "EOF\n");
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#ifndef DEBUG
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fclose(f);
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fflush(NULL);
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#endif
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/* We added /kern to fstab, make mountpoint. */
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make_target_dir("/kern");
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return 0;
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}
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/* Return the appropriate fs_passno field, as specified by fstab(5) */
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static int
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fsck_num(const char *mp)
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{
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return (strcmp(mp, "/") == 0) ? 1 : 2;
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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 %s", "c", NULL, 0, 0, foundffs},
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{"/dev/", "/dev/%s %s ufs %s", "c", NULL, 0, 0, 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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strstr(list[2].u.s_val, "noauto") == NULL) {
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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 {
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struct fs fs;
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char pad[SBSIZE];
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} 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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close(fd);
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return -1;
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}
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if ((ret = read(fd, &fs, SBSIZE)) != SBSIZE) {
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close(fd);
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return -2;
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}
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close(fd);
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if (fs_is_lfs(&fs.fs))
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return -4;
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if (fs.fs.fs_magic != FS_MAGIC)
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return -3;
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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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/*
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* Do an fsck. For now, assume ffs filesystems.
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* Returns zero if the fsck completed with no errors.
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* Returns a negative numbe to indicate a bad inode type,
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* and a positive non-zero value if exec'ing fsck returns an error.
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* If the filesystem is an out-of-date version, prompt the user
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* whether to upgrade the filesystem level.
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*
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*/
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static int
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do_fsck(const char *diskpart)
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{
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char raw[SSTRSIZE];
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int inodetype;
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char *upgr = "", *prog = "/sbin/fsck_ffs";
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int err;
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/* cons up raw partition name. */
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snprintf (raw, SSTRSIZE, "/dev/r%s", diskpart);
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inodetype = inode_kind (raw);
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if (inodetype == -4) {
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if (check_lfs_progs() == 0)
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return EOPNOTSUPP; /* XXX */
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prog = "/sbin/fsck_lfs";
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} else if (inodetype < 0) {
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/* error */
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return inodetype;
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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 3 ";
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}
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/*endwin();*/
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#ifndef DEBUG_SETS
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err = run_prog(RUN_DISPLAY, NULL, "%s %s%s", prog, upgr, raw);
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#else
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err = run_prog(RUN_DISPLAY, NULL, "%s -f %s%s", prog, upgr, raw);
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#endif
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wrefresh(stdscr);
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return err;
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}
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/*
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* Do an fsck. On failure, inform the user by showing a warning
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* message and doing menu_ok() before proceeding.
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* acknowledge the warning before continuing.
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* Returns 0 on success, or nonzero return code from do_fsck() on failure.
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*/
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int
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fsck_with_error_menu(const char *diskpart)
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{
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int error;
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if ((error = do_fsck(diskpart)) != 0) {
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#ifdef DEBUG
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fprintf(stderr, "sysinst: do_fsck() returned err %d\n", error);
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#endif
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msg_display(MSG_badfs, diskpart, "", error);
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process_menu(MENU_ok);
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}
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return error;
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}
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/*
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* Do target_mount, but print a message and do menu_ok() before
|
|
* proceeding, to inform the user.
|
|
* returns 0 if the mount completed without indicating errors,
|
|
* and an nonzero error code from target_mount() otherwise.
|
|
*/
|
|
int target_mount_with_error_menu(const char *opt,
|
|
char *diskpart, const char *mntpoint)
|
|
{
|
|
int error;
|
|
char devname[STRSIZE];
|
|
|
|
snprintf(devname, STRSIZE, "/dev/%s", diskpart);
|
|
#ifdef DEBUG
|
|
fprintf(stderr, "sysinst: mount_with_error_menu: %s %s %s\n",
|
|
opt, devname, mntpoint);
|
|
#endif
|
|
|
|
if ((error = target_mount(opt, devname, mntpoint)) != 0) {
|
|
msg_display (MSG_badmount, devname, "");
|
|
process_menu (MENU_ok);
|
|
return error;
|
|
} else {
|
|
#ifdef DEBUG
|
|
printf("mount %s %s %s OK\n", opt, diskpart, mntpoint);
|
|
#endif
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/*
|
|
* fsck and mount the root partition.
|
|
*/
|
|
int
|
|
fsck_root()
|
|
{
|
|
int error;
|
|
char rootdev[STRSIZE];
|
|
|
|
/* cons up the root name: partition 'a' on the target diskdev.*/
|
|
snprintf(rootdev, STRSIZE, "%s%c", diskdev, 'a');
|
|
#ifdef DEBUG
|
|
printf("fsck_root: rootdev is %s\n", rootdev);
|
|
#endif
|
|
error = fsck_with_error_menu(rootdev);
|
|
if (error != 0)
|
|
return error;
|
|
|
|
if (target_already_root()) {
|
|
return (0);
|
|
}
|
|
|
|
/* Mount /dev/<diskdev>a on target's "".
|
|
* If we pass "" as mount-on, Prefixing will DTRT.
|
|
* for now, use no options.
|
|
* XXX consider -o remount in case target root is
|
|
* current root, still readonly from single-user?
|
|
*/
|
|
error = target_mount_with_error_menu("", rootdev, "");
|
|
|
|
#ifdef DEBUG
|
|
printf("fsck_root: mount of %s returns %d\n", rootdev, error);
|
|
#endif
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
fsck_disks(void)
|
|
{ char *fstab;
|
|
int fstabsize;
|
|
int i;
|
|
int error;
|
|
|
|
/* First the root device. */
|
|
if (!target_already_root()) {
|
|
error = fsck_root();
|
|
if (error != 0 && error != EBUSY) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* Check the target /etc/fstab exists before trying to parse it. */
|
|
if (target_dir_exists_p("/etc") == 0 ||
|
|
target_file_exists_p("/etc/fstab") == 0) {
|
|
msg_display(MSG_noetcfstab, diskdev);
|
|
process_menu(MENU_ok);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* Get fstab entries from the target-root /etc/fstab. */
|
|
fstabsize = target_collect_file(T_FILE, &fstab, "/etc/fstab");
|
|
if (fstabsize < 0) {
|
|
/* error ! */
|
|
msg_display(MSG_badetcfstab, diskdev);
|
|
process_menu(MENU_ok);
|
|
return 0;
|
|
}
|
|
walk(fstab, fstabsize, fstabbuf, numfstabbuf);
|
|
free(fstab);
|
|
|
|
for (i = 0; i < devcnt; i++) {
|
|
if (fsck_with_error_menu(dev[i]))
|
|
return 0;
|
|
|
|
#ifdef DEBUG
|
|
printf("sysinst: mount %s\n", dev[i]);
|
|
#endif
|
|
if (target_mount_with_error_menu("", dev[i], mnt[i]) != 0) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
set_swap(dev, pp, enable)
|
|
const char *dev;
|
|
partinfo *pp;
|
|
{
|
|
partinfo parts[16];
|
|
int i, maxpart;
|
|
|
|
if (pp == NULL) {
|
|
emptylabel(parts);
|
|
if (incorelabel(dev, parts) < 0)
|
|
return -1;
|
|
pp = parts;
|
|
}
|
|
|
|
maxpart = getmaxpartitions();
|
|
|
|
for (i = 0; i < maxpart; i++) {
|
|
if (pp[i].pi_fstype == FS_SWAP) {
|
|
if (run_prog(0, NULL,
|
|
"/sbin/swapctl -%c /dev/%s%c",
|
|
enable ? 'a' : 'd', dev, 'a' + i) != 0)
|
|
return -1;
|
|
if (enable)
|
|
strcpy(swapdev, dev);
|
|
else
|
|
swapdev[0] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* XXX
|
|
* these belong in bsddisklabel.c but until that is common across all sysinst
|
|
* ports, they need to be here.
|
|
*/
|
|
|
|
void
|
|
show_cur_filesystems()
|
|
{
|
|
|
|
msg_display(MSG_cur_fs);
|
|
msg_table_add(MSG_cur_fs_header);
|
|
msg_table_add(MSG_cur_fs_row, "/ ", "[X] (always)");
|
|
msg_table_add(MSG_cur_fs_row, "swap ", layout_swap ? "[X]" : "");
|
|
msg_table_add(MSG_cur_fs_row, "/usr ", layout_usr ? "[X]" : "");
|
|
msg_table_add(MSG_cur_fs_row, "/var ", layout_var ? "[X]" : "");
|
|
msg_table_add(MSG_cur_fs_row, "/home", layout_home ? "[X]" : "");
|
|
msg_table_add(MSG_cur_fs_row, "/tmp ", layout_tmp ? "[X] (mfs)" : " (mfs)");
|
|
}
|
|
|
|
int layout_swap, layout_usr, layout_tmp, layout_var, layout_home;
|
|
|