121b2869f7
as last step of upgrade, so /etc/fstab exists after reboot. * util.c: correct sense of test in sanity-check helper check_for(). Change variable name to `found' for readability.
444 lines
10 KiB
C
444 lines
10 KiB
C
/* $NetBSD: util.c,v 1.18 1997/11/06 09:02:37 jonathan 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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/* util.c -- routines that don't really fit anywhere else... */
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/stat.h>
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#include <curses.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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/*
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* local prototypes
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*/
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static int check_for __P((const char *type, const char *pathname));
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void get_ramsize(void)
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{
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long len=sizeof(long);
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int mib[2] = {CTL_HW, HW_PHYSMEM};
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sysctl(mib, 2, (void *)&ramsize, (size_t *)&len, NULL, 0);
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/* Find out how many Megs ... round up. */
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rammb = (ramsize + MEG - 1) / MEG;
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}
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static int asked = 0;
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void ask_sizemult (void)
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{
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if (!asked) {
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msg_display (MSG_sizechoice, dlcylsize);
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process_menu (MENU_sizechoice);
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}
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asked = 1;
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}
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void reask_sizemult (void)
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{
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asked = 0;
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ask_sizemult ();
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}
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/* Returns 1 for "y" or "Y" and "n" otherwise. CR => default. */
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int
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ask_ynquestion (char *quest, char def, ...)
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{
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char line[STRSIZE];
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va_list ap;
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char c;
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va_start(ap, def);
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vsnprintf (line, STRSIZE, quest, ap);
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va_end(ap);
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if (def)
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printf ("%s [%c]: ", line, def);
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else
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printf ("%s: ", line);
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c = getchar();
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if (c == '\n')
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return def == 'y';
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while (getchar() != '\n') /* eat characters */;
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return c == 'y' || c == 'Y';
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}
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void run_makedev (void)
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{
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msg_display (MSG_makedev);
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sleep (1);
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/* make /dev, in case the user didn't extract it. */
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make_target_dir("/dev");
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target_chdir_or_die("/dev");
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run_prog ("/bin/sh MAKEDEV all");
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}
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/* Load files from floppy. */
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int get_via_floppy (void)
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{
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char distname[STRSIZE];
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char fddev[STRSIZE] = "/dev/fd0a";
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char fname[STRSIZE];
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char fullname[STRSIZE];
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distinfo *list;
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char post[4];
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int mounted = 0;
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int first;
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struct stat sb;
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cd_dist_dir ("unloading from floppy");
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msg_prompt_add (MSG_fddev, fddev, fddev, STRSIZE);
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list = dist_list;
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while (list->name) {
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strcpy (post, ".aa");
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snprintf (distname, STRSIZE, list->name, rels, dist_postfix);
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while (list->getit && strcmp(&post[1],list->fdlast) <= 0) {
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snprintf (fname, STRSIZE, list->name, rels, post);
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snprintf (fullname, STRSIZE, "/mnt2/%s", fname);
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first = 1;
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while (!mounted || stat(fullname, &sb)) {
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if (mounted)
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run_prog ("/sbin/umount /mnt2 "
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"2>/dev/null");
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if (first)
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msg_display (MSG_fdmount, fname);
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else
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msg_display (MSG_fdnotfound, fname);
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process_menu (MENU_fdok);
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if (!yesno)
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return 0;
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while (run_prog("/sbin/mount -t %s %s /mnt2",
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fdtype, fddev)) {
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msg_display (MSG_fdremount, fname);
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process_menu (MENU_fdremount);
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if (!yesno)
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return 0;
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}
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mounted = 1;
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first = 0;
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}
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run_prog ("/bin/cat %s >> %s", fullname, distname);
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if (post[2] < 'z')
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post[2]++;
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else
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post[2]='a', post[1]++;
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}
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run_prog ("/sbin/umount /mnt2 2>/dev/null");
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mounted = 0;
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list++;
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}
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#ifndef DEBUG
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chdir("/"); /* back to current real root */
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#endif
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return 1;
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}
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/* Get from a CDROM distribution. */
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int
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get_via_cdrom(void)
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{
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/* Get server and filepath */
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process_menu (MENU_cdromsource);
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/* Fill in final default path. */
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strncat (ftp_dir, rels, STRSIZE-strlen(ftp_dir));
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strcat (ftp_dir, "/");
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strncat (ftp_dir, machine, STRSIZE-strlen(ftp_dir));
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/* Mount it */
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while (run_prog ("/sbin/mount -rt cd9660 /dev/%sa /mnt2", cdrom_dev)) {
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process_menu (MENU_cdrombadmount);
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if (!yesno)
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return 0;
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/* Verify distribution files exist. XXX */
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}
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/* return location, don't clean... */
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strcpy (dist_dir, "/mnt2");
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strncat (dist_dir, cdrom_dir, STRSIZE-strlen(dist_dir)-1);
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clean_dist_dir = 0;
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mnt2_mounted = 1;
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return 1;
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}
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int
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get_via_localfs(void)
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{
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/* Get device, filesystem, and filepath */
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process_menu (MENU_localfssource);
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/* Mount it */
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while (run_prog ("/sbin/mount -rt %s /dev/%s /mnt2", localfs_fs,
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localfs_dev)) {
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process_menu (MENU_localfsbadmount);
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if (!yesno)
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return 0;
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/* Verify distribution files exist. XXX */
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}
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/* return location, don't clean... */
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strcpy (dist_dir, "/mnt2");
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strncat (dist_dir, localfs_dir, STRSIZE-strlen(dist_dir)-1);
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clean_dist_dir = 0;
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mnt2_mounted = 1;
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return 1;
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}
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void cd_dist_dir (char *forwhat)
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{
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/* ask user for the mountpoint. */
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msg_prompt (MSG_distdir, dist_dir, dist_dir, STRSIZE, forwhat);
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/* make sure the directory exists. */
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make_target_dir(dist_dir);
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clean_dist_dir = 1;
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target_chdir_or_die(dist_dir);
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}
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/* Support for custom distribution fetches / unpacks. */
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void toggle_getit (int num)
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{
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dist_list[num].getit ^= 1;
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}
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void show_cur_distsets (void)
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{
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distinfo *list;
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msg_display (MSG_cur_distsets);
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list = dist_list;
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while (list->name) {
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msg_printf_add ("%s%s\n", list->desc, list->getit ?
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msg_string(MSG_yes) : msg_string(MSG_no));
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list++;
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}
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}
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/* Do we want a verbose extract? */
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static int verbose = -1;
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void
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ask_verbose_dist (void)
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{
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if (verbose < 0) {
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msg_display (MSG_verboseextract);
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process_menu (MENU_noyes);
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verbose = yesno;
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}
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}
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void
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extract_file (char *path)
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{
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char *owd;
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int tarexit;
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owd = getcwd (NULL,0);
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/* cd to the target root. */
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target_chdir_or_die("/");
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/* now extract set files files into "./". */
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(void)printf (msg_string(MSG_extracting), path);
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tarexit = run_prog ("/usr/bin/tar --unlink -xpz%s -f %s",
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verbose ? "v":"", path);
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/* Check tarexit for errors and give warning. */
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if (tarexit)
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ask_ynquestion (msg_string(MSG_tarerror), 0, path);
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chdir (owd);
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free (owd);
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}
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void
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extract_dist (void)
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{
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char distname[STRSIZE];
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char fname[STRSIZE];
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distinfo *list;
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char extdir[STRSIZE];
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/* For NFS, distdir is mounted in the _current_ root. */
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strncpy(extdir, dist_dir, STRSIZE);
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endwin();
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list = dist_list;
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while (list->name) {
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if (list->getit) {
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(void)snprintf (distname, STRSIZE, list->name, rels,
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dist_postfix);
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(void)snprintf (fname, STRSIZE, "%s/%s", extdir,
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distname);
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extract_file (fname);
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}
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list++;
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}
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puts(CL);
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wrefresh(stdscr);
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}
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/*
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* Get and unpack the distribution.
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* show success_msg if installation completes. Otherwise,,
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* sHow failure_msg and wait for the user to ack it before continuing.
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* success_msg and failure_msg must both be 0-adic messages.
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*/
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void get_and_unpack_sets(int success_msg, int failure_msg)
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{
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/* Get the distribution files */
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process_menu (MENU_distmedium);
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if (nodist)
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return;
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ask_verbose_dist ();
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if (got_dist) {
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/* Extract the distribution */
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extract_dist ();
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/* Configure the system */
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run_makedev ();
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/* Other configuration. */
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mnt_net_config();
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/* Clean up ... */
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if (clean_dist_dir)
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run_prog ("/bin/rm -rf %s", dist_dir);
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/* Mounted dist dir? */
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if (mnt2_mounted)
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run_prog ("/sbin/umount /mnt2");
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/* Install/Upgrade complete ... reboot or exit to script */
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msg_display (success_msg);
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process_menu (MENU_ok);
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} else {
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msg_display (failure_msg);
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process_menu (MENU_ok);
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}
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}
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/*
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* Do a quick sanity check that the target can reboot.
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* return 1 if everything OK, 0 if there is a problem.
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* Uses a table of files we expect to find after a base install/upgrade.
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*/
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/* test flag and pathname to check for after unpacking. */
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struct check_table { const char *testarg; const char *path;} checks[] = {
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{ "-f", "/netbsd" },
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{ "-d ""/etc" },
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{ "-f", "/etc/fstab" },
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{ "-f", "/sbin/init" },
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{ "-f", "/bin/sh" },
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{ "-d" "/dev" },
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{ "-c", "/dev/console" },
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/* XXX check for rootdev in target /dev? */
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{ "-f", "/etc/fstab" },
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{ "-f", "/sbin/fsck" },
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{ "-f", "/sbin/fsck_ffs" },
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{ "-f", "/sbin/mount" },
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{ "-f", "/sbin/mount_ffs" },
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{ "-f", "/sbin/mount_nfs" },
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#if defined(DEBUG) || 1
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{ "-f", "/foo/bar" }, /* XXX */
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#endif
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{ 0, 0 }
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};
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/*
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* Check target for a single file.
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*/
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static int check_for(const char *type, const char *pathname)
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{
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int found;
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found = (target_test(type, pathname) == 0);
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if (found == 0)
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msg_display(MSG_rootmissing, pathname);
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return found;
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}
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int
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sanity_check()
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{
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int target_ok = 1;
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struct check_table *p;
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for (p = checks; p->path; p++) {
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target_ok = target_ok && check_for(p->testarg, p->path);
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}
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if (target_ok)
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return 0;
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/* Uh, oh. Something's missing. */
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msg_display(MSG_badroot);
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process_menu(MENU_ok);
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return 1;
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}
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