349 lines
13 KiB
C
349 lines
13 KiB
C
/*
|
|
* The new sysinstall program.
|
|
*
|
|
* This is probably the last program in the `sysinstall' line - the next
|
|
* generation being essentially a complete rewrite.
|
|
*
|
|
* $Id: installUpgrade.c,v 1.44 1997/02/07 04:26:16 jkh Exp $
|
|
*
|
|
* Copyright (c) 1995
|
|
* Jordan Hubbard. All rights reserved.
|
|
*
|
|
* 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,
|
|
* verbatim and that no modifications are made prior to this
|
|
* point in the file.
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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.
|
|
*
|
|
*/
|
|
|
|
#include "sysinstall.h"
|
|
#include <sys/disklabel.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <sys/mount.h>
|
|
|
|
typedef struct _hitList {
|
|
enum { JUST_COPY, CALL_HANDLER } action ;
|
|
char *name;
|
|
Boolean optional;
|
|
void (*handler)(struct _hitList *self);
|
|
} HitList;
|
|
|
|
/* These are the only meaningful files I know about */
|
|
static HitList etc_files [] = {
|
|
{ JUST_COPY, "Xaccel.ini", TRUE, NULL },
|
|
{ JUST_COPY, "adduser.conf", TRUE, NULL },
|
|
{ JUST_COPY, "aliases", TRUE, NULL },
|
|
{ JUST_COPY, "aliases.db", TRUE, NULL },
|
|
{ JUST_COPY, "amd.map", TRUE, NULL },
|
|
{ JUST_COPY, "crontab", TRUE, NULL },
|
|
{ JUST_COPY, "csh.cshrc", TRUE, NULL },
|
|
{ JUST_COPY, "csh.login", TRUE, NULL },
|
|
{ JUST_COPY, "csh.logout", TRUE, NULL },
|
|
{ JUST_COPY, "daily", TRUE, NULL },
|
|
{ JUST_COPY, "disktab", TRUE, NULL },
|
|
{ JUST_COPY, "dm.conf", TRUE, NULL },
|
|
{ JUST_COPY, "exports", TRUE, NULL },
|
|
{ JUST_COPY, "fbtab", TRUE, NULL },
|
|
{ JUST_COPY, "fstab", FALSE, NULL },
|
|
{ JUST_COPY, "ftpusers", TRUE, NULL },
|
|
{ JUST_COPY, "gnats", TRUE, NULL },
|
|
{ JUST_COPY, "group", FALSE, NULL },
|
|
{ JUST_COPY, "host.conf", TRUE, NULL },
|
|
{ JUST_COPY, "hosts", TRUE, NULL },
|
|
{ JUST_COPY, "hosts.equiv", TRUE, NULL },
|
|
{ JUST_COPY, "hosts.lpd", TRUE, NULL },
|
|
{ JUST_COPY, "inetd.conf", TRUE, NULL },
|
|
{ JUST_COPY, "kerberosIV", TRUE, NULL },
|
|
{ JUST_COPY, "localtime", TRUE, NULL },
|
|
{ JUST_COPY, "login.access", TRUE, NULL },
|
|
{ JUST_COPY, "mail.rc", TRUE, NULL },
|
|
{ JUST_COPY, "make.conf", TRUE, NULL },
|
|
{ JUST_COPY, "manpath.config", TRUE, NULL },
|
|
{ JUST_COPY, "master.passwd", TRUE, NULL },
|
|
{ JUST_COPY, "mib.txt", TRUE, NULL },
|
|
{ JUST_COPY, "modems", TRUE, NULL },
|
|
{ JUST_COPY, "monthly", TRUE, NULL },
|
|
{ JUST_COPY, "motd", TRUE, NULL },
|
|
{ JUST_COPY, "namedb", TRUE, NULL },
|
|
{ JUST_COPY, "networks", TRUE, NULL },
|
|
{ JUST_COPY, "passwd", FALSE, NULL },
|
|
{ JUST_COPY, "phones", TRUE, NULL },
|
|
{ JUST_COPY, "ppp", TRUE, NULL },
|
|
{ JUST_COPY, "printcap", TRUE, NULL },
|
|
{ JUST_COPY, "profile", TRUE, NULL },
|
|
{ JUST_COPY, "protocols", TRUE, NULL },
|
|
{ JUST_COPY, "pwd.db", TRUE, NULL },
|
|
{ JUST_COPY, "rc.local", TRUE, NULL },
|
|
{ JUST_COPY, "remote", TRUE, NULL },
|
|
{ JUST_COPY, "resolv.conf", TRUE, NULL },
|
|
{ JUST_COPY, "rmt", TRUE, NULL },
|
|
{ JUST_COPY, "security", TRUE, NULL },
|
|
{ JUST_COPY, "sendmail.cf", TRUE, NULL },
|
|
{ JUST_COPY, "services", TRUE, NULL },
|
|
{ JUST_COPY, "shells", TRUE, NULL },
|
|
{ JUST_COPY, "skeykeys", TRUE, NULL },
|
|
{ JUST_COPY, "spwd.db", TRUE, NULL },
|
|
{ JUST_COPY, "supfile", TRUE, NULL },
|
|
{ JUST_COPY, "sysconfig", FALSE, NULL },
|
|
{ JUST_COPY, "syslog.conf", TRUE, NULL },
|
|
{ JUST_COPY, "termcap", TRUE, NULL },
|
|
{ JUST_COPY, "ttys", TRUE, NULL },
|
|
{ JUST_COPY, "uucp", TRUE, NULL },
|
|
{ JUST_COPY, "weekly", TRUE, NULL },
|
|
{ 0 },
|
|
};
|
|
|
|
void
|
|
traverseHitlist(HitList *h)
|
|
{
|
|
system("rm -rf /etc/upgrade");
|
|
Mkdir("/etc/upgrade");
|
|
while (h->name) {
|
|
if (!file_readable(h->name)) {
|
|
if (!h->optional)
|
|
msgConfirm("Unable to find an old /etc/%s file! That is decidedly non-standard and\n"
|
|
"your upgraded system may function a little strangely as a result.", h->name);
|
|
}
|
|
else {
|
|
if (h->action == JUST_COPY) {
|
|
/* Move the just-loaded copy aside */
|
|
vsystem("mv /etc/%s /etc/upgrade/%s", h->name, h->name);
|
|
|
|
/* Copy the old one into its place */
|
|
msgNotify("Resurrecting %s..", h->name);
|
|
/* Do this with tar so that symlinks and such are preserved */
|
|
if (vsystem("tar cf - %s | tar xpf - -C /etc", h->name))
|
|
msgConfirm("Unable to resurrect your old /etc/%s! Hmmmm.", h->name);
|
|
}
|
|
else /* call handler */
|
|
h->handler(h);
|
|
}
|
|
++h;
|
|
}
|
|
}
|
|
|
|
int
|
|
installUpgrade(dialogMenuItem *self)
|
|
{
|
|
char *saved_etc;
|
|
Boolean extractingBin = TRUE;
|
|
|
|
variable_set2(SYSTEM_STATE, "upgrade");
|
|
systemDisplayHelp("upgrade");
|
|
|
|
dialog_clear_norefresh();
|
|
if (msgYesNo("Given all that scary stuff you just read, are you sure you want to\n"
|
|
"risk it all and proceed with this upgrade?") != 0)
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
|
|
if (!Dists) {
|
|
msgConfirm("You haven't specified any distributions yet. The upgrade procedure will\n"
|
|
"only upgrade those portions of the system for which a distribution has\n"
|
|
"been selected. In the next screen, we'll go to the Distributions menu\n"
|
|
"to select those portions of the new system you wish to install on top of\n"
|
|
"the old.");
|
|
if (!dmenuOpenSimple(&MenuDistributions, FALSE) || !Dists)
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
dialog_clear_norefresh();
|
|
}
|
|
else if (!(Dists & DIST_BIN)) { /* No bin selected? Not much of an upgrade.. */
|
|
if (msgYesNo("You didn't select the bin distribution as one of the distributons to load.\n"
|
|
"This one is pretty vital to a successful upgrade. Are you SURE you don't\n"
|
|
"want to select the bin distribution? Chose No to bring up the Distributions\n"
|
|
"menu.") != 0) {
|
|
if (!dmenuOpenSimple(&MenuDistributions, FALSE))
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
dialog_clear_norefresh();
|
|
}
|
|
}
|
|
|
|
/* Still?! OK! They must know what they're doing.. */
|
|
if (!(Dists & DIST_BIN))
|
|
extractingBin = FALSE;
|
|
|
|
if (RunningAsInit) {
|
|
Device **devs;
|
|
int i, cnt;
|
|
char *cp;
|
|
|
|
cp = variable_get(VAR_DISK);
|
|
devs = deviceFind(cp, DEVICE_TYPE_DISK);
|
|
cnt = deviceCount(devs);
|
|
if (!cnt) {
|
|
msgConfirm("No disks found! Please verify that your disk controller is being\n"
|
|
"properly probed at boot time. See the Hardware Guide on the\n"
|
|
"Documentation menu for clues on diagnosing this type of problem.");
|
|
return DITEM_FAILURE;
|
|
}
|
|
else {
|
|
/* Enable all the drives befor we start */
|
|
for (i = 0; i < cnt; i++)
|
|
devs[i]->enabled = TRUE;
|
|
}
|
|
|
|
msgConfirm("OK. First, we're going to go to the disk label editor. In this editor\n"
|
|
"you will be expected to Mount any partitions you're interested in\n"
|
|
"upgrading. DO NOT set the Newfs flag to Y on anything in the label editor\n"
|
|
"unless you're absolutely sure you know what you're doing! In this\n"
|
|
"instance, you'll be using the label editor as little more than a fancy\n"
|
|
"screen-oriented partition mounting tool.\n\n"
|
|
"Once you're done in the label editor, press Q to return here for the next\n"
|
|
"step.");
|
|
|
|
if (DITEM_STATUS(diskLabelEditor(self)) == DITEM_FAILURE) {
|
|
msgConfirm("The disk label editor returned an error status. Upgrade operation\n"
|
|
"aborted.");
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
}
|
|
|
|
/* Don't write out MBR info */
|
|
variable_set2(DISK_PARTITIONED, "written");
|
|
if (DITEM_STATUS(diskLabelCommit(self)) == DITEM_FAILURE) {
|
|
msgConfirm("Not all file systems were properly mounted. Upgrade operation\n"
|
|
"aborted.");
|
|
variable_unset(DISK_PARTITIONED);
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
}
|
|
|
|
msgNotify("Updating /stand on root filesystem");
|
|
(void)vsystem("find -x /stand | cpio %s -pdum /mnt", cpioVerbosity());
|
|
|
|
if (DITEM_STATUS(chroot("/mnt")) == DITEM_FAILURE) {
|
|
msgConfirm("Unable to chroot to /mnt - something is wrong with the\n"
|
|
"root partition or the way it's mounted if this doesn't work.");
|
|
variable_unset(DISK_PARTITIONED);
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
}
|
|
chdir("/");
|
|
systemCreateHoloshell();
|
|
}
|
|
|
|
media:
|
|
if (!mediaVerify())
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
|
|
if (!mediaDevice->init(mediaDevice)) {
|
|
if (!msgYesNo("Couldn't initialize the media. Would you like\n"
|
|
"to adjust your media selection and try again?")) {
|
|
mediaDevice = NULL;
|
|
goto media;
|
|
}
|
|
else
|
|
return DITEM_FAILURE | DITEM_REDRAW;
|
|
}
|
|
|
|
saved_etc = NULL;
|
|
if (extractingBin) {
|
|
while (!saved_etc) {
|
|
saved_etc = msgGetInput("/usr/tmp/etc", "Under which directory do you wish to save your current /etc?");
|
|
if (!saved_etc || !*saved_etc || Mkdir(saved_etc)) {
|
|
saved_etc = NULL;
|
|
if (msgYesNo("Directory was not specified, was invalid or user selected Cancel.\n\n"
|
|
"Doing an upgrade without first backing up your /etc directory is a very\n"
|
|
"bad idea! Do you want to go back and specify the save directory again?") != 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (saved_etc) {
|
|
msgNotify("Preserving /etc directory..");
|
|
if (vsystem("tar -cf - -C /etc . | tar -xpf - -C %s", saved_etc))
|
|
if (msgYesNo("Unable to backup your /etc into %s.\n"
|
|
"Do you want to continue anyway?", saved_etc) != 0)
|
|
return DITEM_FAILURE | DITEM_RESTORE;
|
|
}
|
|
if (file_readable("/kernel")) {
|
|
msgNotify("Moving old kernel to /kernel.prev");
|
|
if (system("chflags noschg /kernel && mv /kernel /kernel.prev")) {
|
|
if (!msgYesNo("Hmmm! I couldn't move the old kernel over! Do you want to\n"
|
|
"treat this as a big problem and abort the upgrade? Due to the\n"
|
|
"way that this upgrade process works, you will have to reboot\n"
|
|
"and start over from the beginning. Select Yes to reboot now"))
|
|
systemShutdown(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
msgNotify("Beginning extraction of distributions..");
|
|
if (DITEM_STATUS(distExtractAll(self)) == DITEM_FAILURE) {
|
|
msgConfirm("Hmmmm. We couldn't even extract the bin distribution. This upgrade\n"
|
|
"should be considered a failure and started from the beginning, sorry!\n"
|
|
"The system will reboot now.");
|
|
dialog_clear();
|
|
systemShutdown(1);
|
|
}
|
|
else if (Dists) {
|
|
if (!extractingBin || !(Dists & DIST_BIN)) {
|
|
msgNotify("The extraction process seems to have had some problems, but we got most\n"
|
|
"of the essentials. We'll treat this as a warning since it may have been\n"
|
|
"only non-essential distributions which failed to load.");
|
|
}
|
|
else {
|
|
msgConfirm("Hmmmm. We couldn't even extract the bin distribution. This upgrade\n"
|
|
"should be considered a failure and started from the beginning, sorry!\n"
|
|
"The system will reboot now.");
|
|
dialog_clear();
|
|
systemShutdown(1);
|
|
}
|
|
}
|
|
|
|
if (extractingBin) {
|
|
msgNotify("OK, now it's time to go pound on your root a little bit to create all the\n"
|
|
"/dev entries and such that a new system expects to see. I'll also perform a\n"
|
|
"few \"fixup\" operations to repair the effects of splatting a bin distribution\n"
|
|
"on top of an existing system..");
|
|
if (DITEM_STATUS(installFixup(self)) == DITEM_FAILURE) {
|
|
msgConfirm("Hmmmmm. The fixups don't seem to have been very happy.\n"
|
|
"You may wish to examine the system a little more closely when\n"
|
|
"it comes time to merge your /etc customizations back.");
|
|
}
|
|
}
|
|
|
|
msgNotify("First stage of upgrade completed successfully!\n\n"
|
|
"Next comes stage 2, where we attempt to resurrect your /etc\n"
|
|
"directory!");
|
|
|
|
if (saved_etc && chdir(saved_etc)) {
|
|
msgConfirm("Unable to go to your saved /etc directory in %s?! Argh!\n"
|
|
"Something went seriously wrong! It's quite possible that\n"
|
|
"your former /etc is toast. I hope you didn't have any\n"
|
|
"important customizations you wanted to keep in there.. :(", saved_etc);
|
|
}
|
|
else {
|
|
/* Now try to resurrect the /etc files */
|
|
traverseHitlist(etc_files);
|
|
}
|
|
|
|
msgConfirm("OK! At this stage, we've resurrected all the /etc files\n"
|
|
"and moved each new copy over to /etc/update/<file> in case you want\n"
|
|
"to see what the new versions look like. If you want to wander over\n"
|
|
"to the Emergency Holographic Shell [ALT-F4] at this point to do\n"
|
|
"that, now would be a good time. When you're ready to reboot into\n"
|
|
"the new system, just exit the installation.");
|
|
return DITEM_SUCCESS | DITEM_REDRAW;
|
|
}
|