299 lines
7.0 KiB
C
299 lines
7.0 KiB
C
/* $NetBSD: upgrade.c,v 1.45 2004/04/18 21:34:56 dsl Exp $ */
|
|
|
|
/*
|
|
* Copyright 1997 Piermont Information Systems Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Philip A. Nelson for Piermont Information Systems Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed for the NetBSD Project by
|
|
* Piermont Information Systems Inc.
|
|
* 4. The name of Piermont Information Systems Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
* THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
/* upgrade.c -- upgrade an installation. */
|
|
|
|
#include <stdio.h>
|
|
#include <curses.h>
|
|
#include <errno.h>
|
|
#include "defs.h"
|
|
#include "msg_defs.h"
|
|
#include "menu_defs.h"
|
|
|
|
/*
|
|
* local prototypes
|
|
*/
|
|
static int save_etc(void);
|
|
static int merge_etc(void);
|
|
static int save_X(void);
|
|
static int merge_X(void);
|
|
|
|
static int etc_saved;
|
|
|
|
/*
|
|
* Do the system upgrade.
|
|
*/
|
|
void
|
|
do_upgrade(void)
|
|
{
|
|
|
|
msg_display(MSG_upgradeusure);
|
|
process_menu(MENU_noyes, NULL);
|
|
if (!yesno)
|
|
return;
|
|
|
|
get_ramsize();
|
|
|
|
if (find_disks(msg_string(MSG_upgrade)) < 0)
|
|
return;
|
|
|
|
if (md_pre_update() < 0)
|
|
return;
|
|
|
|
process_menu(MENU_distset, NULL);
|
|
|
|
if (mount_disks() != 0)
|
|
return;
|
|
|
|
|
|
/*
|
|
* Save X symlink, ...
|
|
*/
|
|
if (save_X())
|
|
return;
|
|
|
|
#if 0
|
|
/*
|
|
* Move target /etc -> target /etc.old so existing configuration
|
|
* isn't overwritten by upgrade.
|
|
*/
|
|
if (sets_selected & SET_ETC && save_etc()) {
|
|
merge_X();
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* Do any md updating of the file systems ... e.g. bootblocks,
|
|
copy file systems ... */
|
|
if (!md_update())
|
|
return;
|
|
|
|
/* Done with disks. Ready to get and unpack tarballs. */
|
|
msg_display(MSG_disksetupdoneupdate);
|
|
getchar();
|
|
wrefresh(curscr);
|
|
wmove(stdscr, 0, 0);
|
|
wclear(stdscr);
|
|
wrefresh(stdscr);
|
|
|
|
if (get_and_unpack_sets(1, MSG_upgrcomplete, MSG_abortupgr) != 0)
|
|
return;
|
|
|
|
#if 0
|
|
/* Copy back any files we should restore after the upgrade.*/
|
|
if (sets_installed & SET_ETC)
|
|
merge_etc();
|
|
#endif
|
|
merge_X();
|
|
|
|
sanity_check();
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* save target /etc files.
|
|
* if target /etc.old exists, print a warning message and give up.
|
|
* otherwise move /etc into target /etc.old, and then copy
|
|
* back files we might want during the installation -- in case
|
|
* we are upgrading the target root.
|
|
*/
|
|
static int
|
|
save_etc(void)
|
|
{
|
|
|
|
if (target_dir_exists_p("/etc.old")) {
|
|
msg_display(MSG_etc_oldexists);
|
|
process_menu(MENU_ok, NULL);
|
|
return EEXIST;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf("saving /etc as /etc.old...");
|
|
#endif
|
|
|
|
/* Move target /etc to /etc.old. Abort on error. */
|
|
mv_within_target_or_die("/etc", "/etc.old");
|
|
|
|
etc_saved = 1;
|
|
|
|
/* now make an /etc that should let the user reboot. */
|
|
make_target_dir("/etc");
|
|
|
|
#ifdef DEBUG
|
|
printf("Copying essential files back into new /etc...");
|
|
#endif
|
|
/* essential stuff */
|
|
cp_within_target("/etc.old/ld.so.cache", "/etc/", 1);
|
|
cp_within_target("/etc.old/ld.so.conf", "/etc/", 0);
|
|
cp_within_target("/etc.old/resolv.conf", "/etc/", 1);
|
|
|
|
/*
|
|
* do NOT create fstab so that restarting an incomplete
|
|
* upgrade (eg., after power failure) will fail, and
|
|
* force the user to check and restore their old /etc.
|
|
*/
|
|
|
|
/* general config */
|
|
cp_within_target("/etc.old/rc", "/etc/", 0);
|
|
cp_within_target("/etc.old/rc.conf", "/etc/", 0);
|
|
cp_within_target("/etc.old/rc.local", "/etc/", 0);
|
|
|
|
/* network config */
|
|
cp_within_target("/etc.old/ifconfig.*", "/etc/", 0);
|
|
/* these should become parts of rc.conf */
|
|
cp_within_target("/etc.old/myname", "/etc/", 1);
|
|
cp_within_target("/etc.old/mygate", "/etc/", 1);
|
|
cp_within_target("/etc.old/defaultdomain", "/etc/", 1);
|
|
|
|
/* old-style network config */
|
|
cp_within_target("/etc.old/hostname.*", "/etc/", 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Attempt to undo save_etc() if the install fails
|
|
*/
|
|
|
|
void
|
|
restore_etc(void)
|
|
{
|
|
const char *tp;
|
|
|
|
if (!etc_saved)
|
|
return;
|
|
if (sets_installed & SET_ETC)
|
|
return;
|
|
|
|
tp = target_prefix();
|
|
run_program(0, "mv -f %s/etc.old/* %s/etc", tp, tp);
|
|
/* rmdir isn't in our root, chroot and use the one in the target */
|
|
run_program(RUN_CHROOT, "rmdir /etc.old");
|
|
etc_saved = 0;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Save X symlink to X.old so it can be recovered later
|
|
*/
|
|
static int
|
|
save_X(void)
|
|
{
|
|
/* Only care for X if it's a symlink */
|
|
if (target_symlink_exists_p("/usr/X11R6/bin/X")) {
|
|
if (target_symlink_exists_p("/usr/X11R6/bin/X.old")) {
|
|
msg_display(MSG_X_oldexists);
|
|
process_menu(MENU_ok, NULL);
|
|
return EEXIST;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf("saving /usr/X11R6/bin/X as .../X.old ...");
|
|
#endif
|
|
|
|
/* Move target .../X to .../X.old. Abort on error. */
|
|
mv_within_target_or_die("/usr/X11R6/bin/X",
|
|
"/usr/X11R6/bin/X.old");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Merge back saved target /etc files after unpacking the new
|
|
* sets has completed.
|
|
*/
|
|
static int
|
|
merge_etc(void)
|
|
{
|
|
|
|
if (etc_saved == 0)
|
|
return 0;
|
|
etc_saved = 0;
|
|
|
|
/* just move back fstab, so we can boot cleanly. */
|
|
cp_within_target("/etc.old/fstab", "/etc/", 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Merge back saved target X files after unpacking the new
|
|
* sets has completed.
|
|
*/
|
|
static int
|
|
merge_X(void)
|
|
{
|
|
if (target_symlink_exists_p("/usr/X11R6/bin/X.old")) {
|
|
/* Only move back X if it's a symlink - we don't want
|
|
* to restore old binaries */
|
|
mv_within_target_or_die("/usr/X11R6/bin/X.old",
|
|
"/usr/X11R6/bin/X");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Unpacks sets, clobbering existing contents.
|
|
*/
|
|
void
|
|
do_reinstall_sets(void)
|
|
{
|
|
|
|
unwind_mounts();
|
|
msg_display(MSG_reinstallusure);
|
|
process_menu(MENU_noyes, NULL);
|
|
if (!yesno)
|
|
return;
|
|
|
|
if (find_disks(msg_string(MSG_reinstall)) < 0)
|
|
return;
|
|
|
|
process_menu(MENU_distset, NULL);
|
|
|
|
if (mount_disks() != 0)
|
|
return;
|
|
|
|
/* Unpack the distribution. */
|
|
if (get_and_unpack_sets(0, MSG_unpackcomplete, MSG_abortunpack) != 0)
|
|
return;
|
|
|
|
sanity_check();
|
|
}
|