739 lines
18 KiB
C
739 lines
18 KiB
C
/* $NetBSD: disks.c,v 1.87 2004/10/16 13:20:10 dsl 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 <sys/swap.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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#define FSTYPENAMES
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#define MOUNTNAMES
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#define static
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#include <sys/disklabel.h>
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#undef static
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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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/* Disk descriptions */
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#define MAX_DISKS 15
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struct disk_desc {
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char dd_name[SSTRSIZE];
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uint dd_no_mbr;
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uint dd_cyl;
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uint dd_head;
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uint dd_sec;
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uint dd_secsize;
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uint dd_totsec;
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};
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/* Local prototypes */
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static int foundffs(struct data *, size_t);
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static int mount_root(void);
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static int fsck_preen(const char *, int, const char *);
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static void fixsb(const char *, const char *, char);
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#ifndef DISK_NAMES
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#define DISK_NAMES "wd", "sd", "ld"
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#endif
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static const char *disk_names[] = { DISK_NAMES, "vnd", NULL };
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static int
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get_disks(struct disk_desc *dd)
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{
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const char **xd;
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char *cp;
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struct disklabel l;
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int i;
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int numdisks;
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/* initialize */
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numdisks = 0;
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for (xd = disk_names; *xd != NULL; xd++) {
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for (i = 0; i < MAX_DISKS; i++) {
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strlcpy(dd->dd_name, *xd, sizeof dd->dd_name - 2);
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cp = strchr(dd->dd_name, ':');
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if (cp != NULL)
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dd->dd_no_mbr = ~strcmp(cp, ":no_mbr");
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else {
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dd->dd_no_mbr = 0;
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cp = strchr(dd->dd_name, 0);
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}
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snprintf(cp, 2 + 1, "%d", i);
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if (!get_geom(dd->dd_name, &l)) {
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if (errno == ENOENT)
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break;
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continue;
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}
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dd->dd_cyl = l.d_ncylinders;
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dd->dd_head = l.d_ntracks;
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dd->dd_sec = l.d_nsectors;
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dd->dd_secsize = l.d_secsize;
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dd->dd_totsec = l.d_secperunit;
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dd++;
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numdisks++;
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if (numdisks >= MAX_DISKS)
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return numdisks;
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}
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}
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return numdisks;
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}
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static int
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set_dsk_select(menudesc *m, void *arg)
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{
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*(int *)arg = m->cursel;
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return 1;
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}
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int
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find_disks(const char *doingwhat)
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{
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struct disk_desc disks[MAX_DISKS];
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menu_ent dsk_menu[nelem(disks)];
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struct disk_desc *disk;
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int i;
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int numdisks;
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int selected_disk = 0;
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int menu_no;
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/* Find disks. */
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numdisks = get_disks(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, NULL);
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/*endwin();*/
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return -1;
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}
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if (numdisks == 1) {
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/* One disk found! */
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msg_display(MSG_onedisk, disks[0].dd_name, doingwhat);
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process_menu(MENU_ok, NULL);
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} else {
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/* Multiple disks found! */
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for (i = 0; i < numdisks; i++) {
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dsk_menu[i].opt_name = disks[i].dd_name;
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dsk_menu[i].opt_menu = OPT_NOMENU;
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dsk_menu[i].opt_flags = OPT_EXIT;
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dsk_menu[i].opt_action = set_dsk_select;
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}
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menu_no = new_menu(MSG_Available_disks,
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dsk_menu, numdisks, -1, 4, 0, 0,
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MC_SCROLL | MC_NOEXITOPT,
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NULL, NULL, NULL, NULL, NULL);
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if (menu_no == -1)
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return -1;
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msg_display(MSG_ask_disk);
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process_menu(menu_no, &selected_disk);
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free_menu(menu_no);
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}
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disk = disks + selected_disk;
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strlcpy(diskdev, disk->dd_name, sizeof diskdev);
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sectorsize = disk->dd_secsize;
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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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no_mbr = disk->dd_no_mbr;
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if (dlsize == 0)
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dlsize = disk->dd_cyl * disk->dd_head * disk->dd_sec;
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dlcylsize = dlhead * dlsec;
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/* Get existing/default label */
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memset(&oldlabel, 0, sizeof oldlabel);
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incorelabel(diskdev, oldlabel);
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/* Set 'target' label to current label in case we don't change it */
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memcpy(&bsdlabel, &oldlabel, sizeof bsdlabel);
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return numdisks;
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}
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void
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fmt_fspart(menudesc *m, int ptn, void *arg)
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{
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int poffset, psize, pend;
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const char *desc;
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static const char *Yes, *No;
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partinfo *p = bsdlabel + ptn;
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if (Yes == NULL) {
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Yes = msg_string(MSG_Yes);
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No = msg_string(MSG_No);
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}
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poffset = p->pi_offset / sizemult;
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psize = p->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 = (p->pi_offset + p->pi_size) / sizemult - 1;
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if (p->pi_fstype == FS_BSDFFS)
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if (p->pi_flags & PIF_FFSv2)
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desc = "FFSv2";
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else
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desc = "FFSv1";
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else
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desc = fstypenames[p->pi_fstype];
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#ifdef PART_BOOT
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if (ptn == PART_BOOT)
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desc = msg_string(MSG_Boot_partition_cant_change);
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#endif
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if (ptn == getrawpartition())
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desc = msg_string(MSG_Whole_disk_cant_change);
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else {
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if (ptn == PART_C)
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desc = msg_string(MSG_NetBSD_partition_cant_change);
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}
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wprintw(m->mw, msg_string(MSG_fspart_row),
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poffset, pend, psize, desc,
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p->pi_flags & PIF_NEWFS ? Yes : "",
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p->pi_flags & PIF_MOUNT ? Yes : "",
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p->pi_mount);
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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_program(RUN_DISPLAY, "%s -f /tmp/disktab %s '%s'",
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DISKLABEL_CMD, diskdev, bsddiskname);
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#else
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return 0;
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#endif
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}
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static int
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ptn_sort(const void *a, const void *b)
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{
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return strcmp(bsdlabel[*(const int *)a].pi_mount,
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bsdlabel[*(const int *)b].pi_mount);
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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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int ptn;
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int ptn_order[nelem(bsdlabel)];
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int error = 0;
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int maxpart = getmaxpartitions();
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char *newfs;
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const char *mnt_opts;
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const char *fsname;
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partinfo *lbl;
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if (maxpart > nelem(bsdlabel))
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maxpart = nelem(bsdlabel);
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/* Making new file systems and mounting them */
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/* sort to ensure /usr/local is mounted after /usr (etc) */
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for (i = 0; i < maxpart; i++)
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ptn_order[i] = i;
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qsort(ptn_order, maxpart, sizeof ptn_order[0], ptn_sort);
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for (i = 0; i < maxpart; 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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ptn = ptn_order[i];
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lbl = bsdlabel + ptn;
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if (is_active_rootpart(diskdev, ptn))
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continue;
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if (*lbl->pi_mount == 0)
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/* No mount point */
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continue;
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newfs = NULL;
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mnt_opts = NULL;
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fsname = NULL;
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switch (lbl->pi_fstype) {
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case FS_APPLEUFS:
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asprintf(&newfs, "/sbin/newfs %s%.0d",
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lbl->pi_isize != 0 ? "-i" : "", lbl->pi_isize);
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mnt_opts = "-tffs -o async";
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fsname = "ffs";
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break;
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case FS_BSDFFS:
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asprintf(&newfs, "/sbin/newfs -O %d -b %d -f %d %s%.0d",
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lbl->pi_flags & PIF_FFSv2 ? 2 : 1,
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lbl->pi_fsize * lbl->pi_frag, lbl->pi_fsize,
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lbl->pi_isize != 0 ? "-i" : "", lbl->pi_isize);
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mnt_opts = "-tffs -o async";
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fsname = "ffs";
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break;
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case FS_BSDLFS:
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asprintf(&newfs, "/sbin/newfs_lfs -b %d",
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lbl->pi_fsize * lbl->pi_frag);
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mnt_opts = "-tlfs";
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fsname = "lfs";
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break;
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case FS_MSDOS:
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mnt_opts = "-tmsdos";
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fsname = "msdos";
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break;
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}
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if (lbl->pi_flags & PIF_NEWFS && newfs != NULL) {
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error = run_program(RUN_DISPLAY | RUN_PROGRESS,
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"%s /dev/r%s%c", newfs, diskdev, 'a' + ptn);
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} else {
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/* We'd better check it isn't dirty */
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error = fsck_preen(diskdev, ptn, fsname);
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}
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free(newfs);
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if (error != 0)
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return error;
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if (lbl->pi_flags & PIF_MOUNT && mnt_opts != NULL) {
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make_target_dir(lbl->pi_mount);
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error = target_mount(mnt_opts, diskdev, ptn,
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lbl->pi_mount);
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if (error) {
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msg_display(MSG_mountfail,
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diskdev, 'a' + ptn, lbl->pi_mount);
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process_menu(MENU_ok, NULL);
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return error;
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}
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}
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}
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return 0;
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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, swap_dev = -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(logfp,
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"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(logfp, "Failed to make /etc/fstab!\n");
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process_menu(MENU_ok, NULL);
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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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const char *s = "";
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const char *mp = bsdlabel[i].pi_mount;
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const char *fstype = "ffs";
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int fsck_pass = 0, dump_freq = 0;
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if (!*mp) {
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/*
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* No mount point specified, comment out line and
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* use /mnt as a placeholder for the mount point.
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*/
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s = "# ";
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mp = "/mnt";
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}
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switch (bsdlabel[i].pi_fstype) {
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case FS_UNUSED:
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continue;
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case FS_BSDLFS:
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/* If there is no LFS, just comment it out. */
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if (check_lfs_progs())
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s = "# ";
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fstype = "lfs";
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/* FALLTHROUGH */
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case FS_BSDFFS:
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fsck_pass = (strcmp(mp, "/") == 0) ? 1 : 2;
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dump_freq = 1;
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break;
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case FS_MSDOS:
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fstype = "msdos";
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break;
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case FS_SWAP:
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if (swap_dev == -1)
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swap_dev = i;
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scripting_fprintf(f, "/dev/%s%c none swap sw 0 0\n",
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diskdev, 'a' + i);
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continue;
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default:
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fstype = "???";
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s = "# ";
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break;
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}
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scripting_fprintf(f, "%s/dev/%s%c %s %s rw%s%s%s%s%s%s%s%s %d %d\n",
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s, diskdev, 'a' + i, mp, fstype,
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bsdlabel[i].pi_flags & PIF_MOUNT ? "" : ",noauto",
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bsdlabel[i].pi_flags & PIF_ASYNC ? ",async" : "",
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bsdlabel[i].pi_flags & PIF_NOATIME ? ",noatime" : "",
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bsdlabel[i].pi_flags & PIF_NODEV ? ",nodev" : "",
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bsdlabel[i].pi_flags & PIF_NODEVMTIME ? ",nodevmtime" : "",
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bsdlabel[i].pi_flags & PIF_NOEXEC ? ",noexec" : "",
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bsdlabel[i].pi_flags & PIF_NOSUID ? ",nosuid" : "",
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bsdlabel[i].pi_flags & PIF_SOFTDEP ? ",softdep" : "",
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dump_freq, fsck_pass);
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}
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if (tmp_mfs_size != 0) {
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if (swap_dev != -1)
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scripting_fprintf(f, "/dev/%s%c /tmp mfs rw,-s=%d\n",
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diskdev, 'a' + swap_dev, tmp_mfs_size);
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else
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scripting_fprintf(f, "swap /tmp mfs rw,-s=%d\n",
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tmp_mfs_size);
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}
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/* Add /kern and /proc to fstab and make mountpoint. */
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scripting_fprintf(f, "kernfs /kern kernfs rw\n");
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scripting_fprintf(f, "procfs /proc procfs rw,noauto\n");
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make_target_dir("/kern");
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make_target_dir("/proc");
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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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return 0;
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}
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static int
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/*ARGSUSED*/
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foundffs(struct data *list, size_t num)
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{
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int error;
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if (num < 2 || strcmp(list[1].u.s_val, "/") == 0 ||
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strstr(list[2].u.s_val, "noauto") != NULL)
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return 0;
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error = fsck_preen(list[0].u.s_val, ' '-'a', "ffs");
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if (error != 0)
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return error;
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error = target_mount("", list[0].u.s_val, ' '-'a', list[1].u.s_val);
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if (error != 0)
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return error;
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return 0;
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}
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|
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/*
|
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* Do an fsck. On failure, inform the user by showing a warning
|
|
* message and doing menu_ok() before proceeding.
|
|
* Returns 0 on success, or nonzero return code from fsck() on failure.
|
|
*/
|
|
static int
|
|
fsck_preen(const char *disk, int ptn, const char *fsname)
|
|
{
|
|
char *prog;
|
|
int error;
|
|
|
|
ptn += 'a';
|
|
if (fsname == NULL)
|
|
return 0;
|
|
/* first check fsck program exists, if not assue ok */
|
|
asprintf(&prog, "/sbin/fsck_%s", fsname);
|
|
if (prog == NULL)
|
|
return 0;
|
|
if (access(prog, X_OK) != 0)
|
|
return 0;
|
|
if (!strcmp(fsname,"ffs"))
|
|
fixsb(prog, disk, ptn);
|
|
error = run_program(0, "%s -p -q /dev/r%s%c", prog, disk, ptn);
|
|
free(prog);
|
|
if (error != 0) {
|
|
msg_display(MSG_badfs, disk, ptn, error);
|
|
process_menu(MENU_ok, NULL);
|
|
/* XXX at this point maybe we should run a full fsck? */
|
|
}
|
|
return error;
|
|
}
|
|
|
|
/* This performs the same function as the etc/rc.d/fixsb script
|
|
* which attempts to correct problems with ffs1 filesystems
|
|
* which may have been introduced by booting a netbsd-current kernel
|
|
* from between April of 2003 and January 2004. For more information
|
|
* This script was developed as a response to NetBSD pr install/25138
|
|
* Additional prs regarding the original issue include:
|
|
* bin/17910 kern/21283 kern/21404 port-macppc/23925 port-macppc/23926
|
|
*/
|
|
static void
|
|
fixsb(const char *prog, const char *disk, char ptn)
|
|
{
|
|
int fd;
|
|
int rval;
|
|
union {
|
|
struct fs fs;
|
|
char buf[SBLOCKSIZE];
|
|
} sblk;
|
|
struct fs *fs = &sblk.fs;
|
|
|
|
snprintf(sblk.buf, sizeof(sblk.buf), "/dev/r%s%c",
|
|
disk, ptn == ' ' ? 0 : ptn);
|
|
fd = open(sblk.buf, O_RDONLY);
|
|
if (fd == -1)
|
|
return;
|
|
|
|
/* Read ffsv1 main superblock */
|
|
rval = pread(fd, sblk.buf, sizeof sblk.buf, SBLOCK_UFS1);
|
|
close(fd);
|
|
if (rval != sizeof sblk.buf)
|
|
return;
|
|
|
|
if (fs->fs_magic != FS_UFS1_MAGIC &&
|
|
fs->fs_magic != FS_UFS1_MAGIC_SWAPPED)
|
|
/* Not FFSv1 */
|
|
return;
|
|
if (fs->fs_old_flags & FS_FLAGS_UPDATED)
|
|
/* properly updated fslevel 4 */
|
|
return;
|
|
if (fs->fs_bsize != fs->fs_maxbsize)
|
|
/* not messed up */
|
|
return;
|
|
|
|
/*
|
|
* OK we have a munged fs, first 'upgrade' to fslevel 4,
|
|
* We specify -b16 in order to stop fsck bleating that the
|
|
* sb doesn't match the first alternate.
|
|
*/
|
|
run_program(RUN_DISPLAY | RUN_PROGRESS,
|
|
"%s -p -b 16 -c 4 /dev/r%s%c", prog, disk, ptn);
|
|
/* Then downgrade to fslevel 3 */
|
|
run_program(RUN_DISPLAY | RUN_PROGRESS,
|
|
"%s -p -c 3 /dev/r%s%c", prog, disk, ptn);
|
|
}
|
|
|
|
/*
|
|
* fsck and mount the root partition.
|
|
*/
|
|
int
|
|
mount_root(void)
|
|
{
|
|
int error;
|
|
|
|
error = fsck_preen(diskdev, rootpart, "ffs");
|
|
if (error != 0)
|
|
return error;
|
|
|
|
/* 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?
|
|
*/
|
|
return target_mount("", diskdev, rootpart, "");
|
|
}
|
|
|
|
/* Get information on the file systems mounted from the root filesystem.
|
|
* Offer to convert them into 4.4BSD inodes if they are not 4.4BSD
|
|
* inodes. Fsck them. Mount them.
|
|
*/
|
|
|
|
int
|
|
mount_disks(void)
|
|
{
|
|
char *fstab;
|
|
int fstabsize;
|
|
int error;
|
|
|
|
static struct lookfor fstabbuf[] = {
|
|
{"/dev/", "/dev/%s %s ffs %s", "c", NULL, 0, 0, foundffs},
|
|
{"/dev/", "/dev/%s %s ufs %s", "c", NULL, 0, 0, foundffs},
|
|
};
|
|
static size_t numfstabbuf = sizeof(fstabbuf) / sizeof(struct lookfor);
|
|
|
|
/* First the root device. */
|
|
if (!target_already_root()) {
|
|
error = mount_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, NULL);
|
|
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, NULL);
|
|
return 0;
|
|
}
|
|
error = walk(fstab, (size_t)fstabsize, fstabbuf, numfstabbuf);
|
|
free(fstab);
|
|
|
|
return error;
|
|
}
|
|
|
|
int
|
|
set_swap(const char *disk, partinfo *pp)
|
|
{
|
|
int i;
|
|
char *cp;
|
|
int rval;
|
|
|
|
if (pp == NULL)
|
|
pp = oldlabel;
|
|
|
|
for (i = 0; i < MAXPARTITIONS; i++) {
|
|
if (pp[i].pi_fstype != FS_SWAP)
|
|
continue;
|
|
asprintf(&cp, "/dev/%s%c", disk, 'a' + i);
|
|
rval = swapctl(SWAP_ON, cp, 0);
|
|
free(cp);
|
|
if (rval != 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
check_swap(const char *disk, int remove_swap)
|
|
{
|
|
struct swapent *swap;
|
|
char *cp;
|
|
int nswap;
|
|
int l;
|
|
int rval = 0;
|
|
|
|
nswap = swapctl(SWAP_NSWAP, 0, 0);
|
|
if (nswap <= 0)
|
|
return 0;
|
|
|
|
swap = malloc(nswap * sizeof *swap);
|
|
if (swap == NULL)
|
|
return -1;
|
|
|
|
nswap = swapctl(SWAP_STATS, swap, nswap);
|
|
if (nswap < 0)
|
|
goto bad_swap;
|
|
|
|
l = strlen(disk);
|
|
while (--nswap >= 0) {
|
|
/* Should we check the se_dev or se_path? */
|
|
cp = swap[nswap].se_path;
|
|
if (memcmp(cp, "/dev/", 5) != 0)
|
|
continue;
|
|
if (memcmp(cp + 5, disk, l) != 0)
|
|
continue;
|
|
if (!isalpha(*(unsigned char *)(cp + 5 + l)))
|
|
continue;
|
|
if (cp[5 + l + 1] != 0)
|
|
continue;
|
|
/* ok path looks like it is for this device */
|
|
if (!remove_swap) {
|
|
/* count active swap areas */
|
|
rval++;
|
|
continue;
|
|
}
|
|
if (swapctl(SWAP_OFF, cp, 0) == -1)
|
|
rval = -1;
|
|
}
|
|
|
|
done:
|
|
free(swap);
|
|
return rval;
|
|
|
|
bad_swap:
|
|
rval = -1;
|
|
goto done;
|
|
}
|