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diff --git a/release/sysinstall/installUpgrade.c b/release/sysinstall/installUpgrade.c
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+/*
+ * The new sysinstall program.
+ *
+ * This is probably the last program in the `sysinstall' line - the next
+ * generation being essentially a complete rewrite.
+ *
+ * $Id$
+ *
+ * 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();
+ }
+
+ if (!mediaVerify()) {
+ msgConfirm("Now you must specify an installation medium for the upgrade.");
+media:
+ if (!dmenuOpenSimple(&MenuMedia, FALSE) || !mediaDevice)
+ 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?"))
+ 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;
+}
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