2 * The new sysinstall program.
4 * This is probably the last program in the `sysinstall' line - the next
5 * generation being essentially a complete rewrite.
10 * Jordan Hubbard. All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer,
17 * verbatim and that no modifications are made prior to this
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
23 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #include "sysinstall.h"
38 #include <sys/disklabel.h>
39 #include <sys/errno.h>
40 #include <sys/ioctl.h>
41 #include <sys/fcntl.h>
43 #include <sys/param.h>
46 #include <sys/mount.h>
48 static int installUpgradeNonInteractive(dialogMenuItem *self);
50 typedef struct _hitList {
51 enum { JUST_COPY, CALL_HANDLER } action ;
54 void (*handler)(struct _hitList *self);
57 /* These are the only meaningful files I know about */
58 static HitList etc_files [] = {
59 { JUST_COPY, "Xaccel.ini", TRUE, NULL },
60 { JUST_COPY, "X11", TRUE, NULL },
61 { JUST_COPY, "adduser.conf", TRUE, NULL },
62 { JUST_COPY, "aliases", TRUE, NULL },
63 { JUST_COPY, "aliases.db", TRUE, NULL },
64 { JUST_COPY, "amd.map", TRUE, NULL },
65 { JUST_COPY, "auth.conf", TRUE, NULL },
66 { JUST_COPY, "crontab", TRUE, NULL },
67 { JUST_COPY, "csh.cshrc", TRUE, NULL },
68 { JUST_COPY, "csh.login", TRUE, NULL },
69 { JUST_COPY, "csh.logout", TRUE, NULL },
70 { JUST_COPY, "cvsupfile", TRUE, NULL },
71 { JUST_COPY, "devfs.conf", TRUE, NULL },
72 { JUST_COPY, "dhclient.conf", TRUE, NULL },
73 { JUST_COPY, "disktab", TRUE, NULL },
74 { JUST_COPY, "dumpdates", TRUE, NULL },
75 { JUST_COPY, "exports", TRUE, NULL },
76 { JUST_COPY, "fbtab", TRUE, NULL },
77 { JUST_COPY, "fstab", FALSE, NULL },
78 { JUST_COPY, "ftpusers", TRUE, NULL },
79 { JUST_COPY, "gettytab", TRUE, NULL },
80 { JUST_COPY, "gnats", TRUE, NULL },
81 { JUST_COPY, "group", FALSE, NULL },
82 { JUST_COPY, "hosts", TRUE, NULL },
83 { JUST_COPY, "hosts.allow", TRUE, NULL },
84 { JUST_COPY, "hosts.equiv", TRUE, NULL },
85 { JUST_COPY, "hosts.lpd", TRUE, NULL },
86 { JUST_COPY, "inetd.conf", TRUE, NULL },
87 { JUST_COPY, "localtime", TRUE, NULL },
88 { JUST_COPY, "login.access", TRUE, NULL },
89 { JUST_COPY, "login.conf", TRUE, NULL },
90 { JUST_COPY, "mail", TRUE, NULL },
91 { JUST_COPY, "mail.rc", TRUE, NULL },
92 { JUST_COPY, "mac.conf", TRUE, NULL },
93 { JUST_COPY, "make.conf", TRUE, NULL },
94 { JUST_COPY, "manpath.config", TRUE, NULL },
95 { JUST_COPY, "master.passwd", FALSE, NULL },
96 { JUST_COPY, "mergemaster.rc", TRUE, NULL },
97 { JUST_COPY, "motd", TRUE, NULL },
98 { JUST_COPY, "namedb", TRUE, NULL },
99 { JUST_COPY, "networks", TRUE, NULL },
100 { JUST_COPY, "newsyslog.conf", TRUE, NULL },
101 { JUST_COPY, "nsmb.conf", TRUE, NULL },
102 { JUST_COPY, "nsswitch.conf", TRUE, NULL },
103 { JUST_COPY, "ntp.conf", TRUE, NULL },
104 { JUST_COPY, "pam.conf", TRUE, NULL },
105 { JUST_COPY, "passwd", TRUE, NULL },
106 { JUST_COPY, "periodic", TRUE, NULL },
107 { JUST_COPY, "pf.conf", TRUE, NULL },
108 { JUST_COPY, "portsnap.conf", TRUE, NULL },
109 { JUST_COPY, "ppp", TRUE, NULL },
110 { JUST_COPY, "printcap", TRUE, NULL },
111 { JUST_COPY, "profile", TRUE, NULL },
112 { JUST_COPY, "protocols", TRUE, NULL },
113 { JUST_COPY, "pwd.db", TRUE, NULL },
114 { JUST_COPY, "rc.local", TRUE, NULL },
115 { JUST_COPY, "rc.firewall", TRUE, NULL },
116 { JUST_COPY, "rc.conf.local", TRUE, NULL },
117 { JUST_COPY, "remote", TRUE, NULL },
118 { JUST_COPY, "resolv.conf", TRUE, NULL },
119 { JUST_COPY, "rmt", TRUE, NULL },
120 { JUST_COPY, "sendmail.cf", TRUE, NULL },
121 { JUST_COPY, "sendmail.cw", TRUE, NULL },
122 { JUST_COPY, "services", TRUE, NULL },
123 { JUST_COPY, "shells", TRUE, NULL },
124 { JUST_COPY, "skeykeys", TRUE, NULL },
125 { JUST_COPY, "snmpd.config", TRUE, NULL },
126 { JUST_COPY, "spwd.db", TRUE, NULL },
127 { JUST_COPY, "src.conf", TRUE, NULL },
128 { JUST_COPY, "ssh", TRUE, NULL },
129 { JUST_COPY, "sysctl.conf", TRUE, NULL },
130 { JUST_COPY, "syslog.conf", TRUE, NULL },
131 { JUST_COPY, "ttys", TRUE, NULL },
132 { 0, NULL, FALSE, NULL },
136 traverseHitlist(HitList *h)
138 system("rm -rf /etc/upgrade");
139 Mkdir("/etc/upgrade");
141 if (!file_readable(h->name)) {
143 msgConfirm("Unable to find an old /etc/%s file! That is decidedly non-standard and\n"
144 "your upgraded system may function a little strangely as a result.", h->name);
147 if (h->action == JUST_COPY) {
148 /* Move the just-loaded copy aside */
149 vsystem("mv /etc/%s /etc/upgrade/%s", h->name, h->name);
151 /* Copy the old one into its place */
152 msgNotify("Resurrecting %s..", h->name);
153 /* Do this with tar so that symlinks and such are preserved */
154 if (vsystem("tar cf - %s | tar xpf - -C /etc", h->name))
155 msgConfirm("Unable to resurrect your old /etc/%s! Hmmmm.", h->name);
157 else /* call handler */
165 installUpgrade(dialogMenuItem *self)
167 char saved_etc[FILENAME_MAX];
168 Boolean extractingBin = TRUE;
170 if (variable_get(VAR_NONINTERACTIVE))
171 return installUpgradeNonInteractive(self);
173 variable_set2(SYSTEM_STATE, "upgrade", 0);
176 if (msgYesNo("Before beginning a binary upgrade, please review the upgrade instructions,\n"
177 "which are located in the \"Install\" document under the main documentation\n"
178 "menu. Given that you have read these instructions and understand the risks\n"
179 "and precautions involved, are you sure that you want to proceed with\n"
180 "this upgrade?") != 0)
181 return DITEM_FAILURE;
184 msgConfirm("First, you must select some distribution components. The upgrade procedure\n"
185 "will only upgrade the distributions you select in the next set of menus.");
186 if (!dmenuOpenSimple(&MenuDistributions, FALSE) || !Dists)
187 return DITEM_FAILURE;
189 else if (!(Dists & DIST_BASE)) { /* No base selected? Not much of an upgrade.. */
190 if (msgYesNo("You didn't select the base distribution as one of the distributons to load.\n"
191 "This one is pretty vital to a successful upgrade. Are you SURE you don't\n"
192 "want to select the base distribution? Chose No to bring up the Distributions\n"
193 "menu again.") != 0) {
194 if (!dmenuOpenSimple(&MenuDistributions, FALSE))
195 return DITEM_FAILURE;
199 /* Still?! OK! They must know what they're doing.. */
200 if (!(Dists & DIST_BASE))
201 extractingBin = FALSE;
208 cp = variable_get(VAR_DISK);
209 devs = deviceFind(cp, DEVICE_TYPE_DISK);
210 cnt = deviceCount(devs);
212 msgConfirm("No disks found! Please verify that your disk controller is being\n"
213 "properly probed at boot time. See the Hardware Guide on the\n"
214 "Documentation menu for clues on diagnosing this type of problem.");
215 return DITEM_FAILURE | DITEM_RESTORE;
218 /* Enable all the drives before we start */
219 for (i = 0; i < cnt; i++)
220 devs[i]->enabled = TRUE;
223 msgConfirm("OK. First, we're going to go to the disk label editor. In this editor\n"
224 "you will be expected to Mount any partitions you're interested in\n"
225 "upgrading. DO NOT set the Newfs flag to Y on anything in the label editor\n"
226 "unless you're absolutely sure you know what you're doing! In this\n"
227 "instance, you'll be using the label editor as little more than a fancy\n"
228 "screen-oriented partition mounting tool.\n\n"
229 "Once you're done in the label editor, press Q to return here for the next\n"
232 if (DITEM_STATUS(diskLabelEditor(self)) == DITEM_FAILURE) {
233 msgConfirm("The disk label editor returned an error status. Upgrade operation\n"
235 return DITEM_FAILURE | DITEM_RESTORE;
238 /* Don't write out MBR info */
239 variable_set2(DISK_PARTITIONED, "written", 0);
240 if (DITEM_STATUS(diskLabelCommit(self)) == DITEM_FAILURE) {
241 msgConfirm("Not all file systems were properly mounted. Upgrade operation\n"
243 variable_unset(DISK_PARTITIONED);
244 return DITEM_FAILURE | DITEM_RESTORE;
247 msgNotify("Updating /stand on root filesystem");
248 (void)vsystem("find -x /stand | cpio %s -pdum /mnt", cpioVerbosity());
250 if (DITEM_STATUS(chroot("/mnt")) == DITEM_FAILURE) {
251 msgConfirm("Unable to chroot to /mnt - something is wrong with the\n"
252 "root partition or the way it's mounted if this doesn't work.");
253 variable_unset(DISK_PARTITIONED);
254 return DITEM_FAILURE | DITEM_RESTORE;
257 installEnvironment();
258 systemCreateHoloshell();
263 /* Don't allow sources to be upgraded if we have src already */
264 if (directory_exists("/usr/src/") && (Dists & DIST_SRC)) {
267 msgConfirm("Warning: /usr/src exists and sources were selected as upgrade\n"
268 "targets. Unfortunately, this is not the way to upgrade your\n"
269 "sources - please use CTM or CVSup or some other method which\n"
270 "handles ``deletion events'', unlike this particular feature.\n\n"
271 "Your existing /usr/src will not be affected by this upgrade.\n");
275 while (!*saved_etc) {
276 char *cp = msgGetInput("/var/tmp/etc", "Under which directory do you wish to save your current /etc?");
278 if (!cp || !*cp || Mkdir(cp)) {
279 if (msgYesNo("Directory was not specified, was invalid or user selected Cancel.\n\n"
280 "Doing an upgrade without first backing up your /etc directory is a very\n"
281 "bad idea! Do you want to go back and specify the save directory again?") != 0)
285 SAFE_STRCPY(saved_etc, cp);
290 msgNotify("Preserving /etc directory..");
291 if (vsystem("tar -cBpf - -C /etc . | tar --unlink -xBpf - -C %s", saved_etc))
292 if (msgYesNo("Unable to backup your /etc into %s.\n"
293 "Do you want to continue anyway?", saved_etc) != 0)
294 return DITEM_FAILURE;
295 msgNotify("Preserving /root directory..");
296 vsystem("tar -cBpf - -C / root | tar --unlink -xBpf - -C %s", saved_etc);
299 msgNotify("chflags'ing old binaries - please wait.");
300 (void)vsystem("chflags -R noschg /bin /sbin /lib /libexec /usr/bin /usr/sbin /usr/lib /usr/libexec /var/empty /boot/kernel*");
302 if (directory_exists("/boot/kernel")) {
303 if (directory_exists("/boot/kernel.prev")) {
304 msgNotify("Removing /boot/kernel.prev");
305 if (system("rm -fr /boot/kernel.prev")) {
306 msgConfirm("NOTICE: I'm trying to back up /boot/kernel to\n"
307 "/boot/kernel.prev, but /boot/kernel.prev exists and I\n"
308 "can't remove it. This means that the backup will, in\n"
309 "all probability, fail.");
312 msgNotify("Moving old kernel to /boot/kernel.prev");
313 if (system("mv /boot/kernel /boot/kernel.prev")) {
314 if (!msgYesNo("Hmmm! I couldn't move the old kernel over! Do you want to\n"
315 "treat this as a big problem and abort the upgrade? Due to the\n"
316 "way that this upgrade process works, you will have to reboot\n"
317 "and start over from the beginning. Select Yes to reboot now"))
321 msgConfirm("NOTICE: Your old kernel is in /boot/kernel.prev should this\n"
322 "upgrade fail for any reason and you need to boot your old\n"
328 /* We do this very late, but we unfortunately need to back up /etc first */
330 return DITEM_FAILURE;
332 if (!DEVICE_INIT(mediaDevice)) {
333 if (!msgYesNo("Couldn't initialize the media. Would you like\n"
334 "to adjust your media selection and try again?")) {
339 return DITEM_FAILURE | DITEM_REDRAW | DITEM_RESTORE;
342 msgNotify("Beginning extraction of distributions.");
343 if (DITEM_STATUS(distExtractAll(self)) == DITEM_FAILURE) {
344 msgConfirm("Hmmmm. We couldn't even extract the base distribution. This upgrade\n"
345 "should be considered a failure and started from the beginning, sorry!\n"
346 "The system will reboot now.");
351 if (!extractingBin || !(Dists & DIST_BASE)) {
352 msgNotify("The extraction process seems to have had some problems, but we got most\n"
353 "of the essentials. We'll treat this as a warning since it may have been\n"
354 "only non-essential distributions which failed to load.");
357 msgConfirm("Hmmmm. We couldn't even extract the base distribution. This upgrade\n"
358 "should be considered a failure and started from the beginning, sorry!\n"
359 "The system will reboot now.");
366 vsystem("disklabel -B `awk '$2~/\\/$/ {print substr($1, 6, 5)}' /etc/fstab`");
367 msgNotify("First stage of upgrade completed successfully!\n\n"
368 "Next comes stage 2, where we attempt to resurrect your /etc\n"
371 if (saved_etc && chdir(saved_etc)) {
372 msgConfirm("Unable to go to your saved /etc directory in %s?! Argh!\n"
373 "Something went seriously wrong! It's quite possible that\n"
374 "your former /etc is toast. I hope you didn't have any\n"
375 "important customizations you wanted to keep in there.. :(", saved_etc);
378 /* Now try to resurrect the /etc files */
379 traverseHitlist(etc_files);
380 /* Resurrect the root dotfiles */
381 vsystem("tar -cBpf - root | tar -xBpf - -C / && rm -rf root");
384 msgConfirm("Upgrade completed! All of your old /etc files have been restored.\n"
385 "For your reference, the new /etc files are in /etc/upgrade/ in case\n"
386 "you wish to upgrade these files by hand (though that should not be\n"
387 "strictly necessary). If your root partition is specified in /etc/fstab\n"
388 "using the old \"compatibility\" slice, you may also wish to update it to\n"
389 "use a fully qualified slice name in order to avoid warnings on startup.\n\n"
390 "When you're ready to reboot into the new system, simply exit the installation.");
391 return DITEM_SUCCESS | DITEM_REDRAW | DITEM_RESTORE;
395 installUpgradeNonInteractive(dialogMenuItem *self)
398 Boolean extractingBin = TRUE;
400 variable_set2(SYSTEM_STATE, "upgrade", 0);
402 /* Make sure at least BIN is selected */
410 cp = variable_get(VAR_DISK);
411 devs = deviceFind(cp, DEVICE_TYPE_DISK);
412 cnt = deviceCount(devs);
414 msgConfirm("No disks found! Please verify that your disk controller is being\n"
415 "properly probed at boot time. See the Hardware Guide on the\n"
416 "Documentation menu for clues on diagnosing this type of problem.");
417 return DITEM_FAILURE;
420 /* Enable all the drives before we start */
421 for (i = 0; i < cnt; i++)
422 devs[i]->enabled = TRUE;
425 msgConfirm("OK. First, we're going to go to the disk label editor. In this editor\n"
426 "you will be expected to Mount any partitions you're interested in\n"
427 "upgrading. DO NOT set the Newfs flag to Y on anything in the label editor\n"
428 "unless you're absolutely sure you know what you're doing! In this\n"
429 "instance, you'll be using the label editor as little more than a fancy\n"
430 "screen-oriented partition mounting tool.\n\n"
431 "Once you're done in the label editor, press Q to return here for the next\n"
434 if (DITEM_STATUS(diskLabelEditor(self)) == DITEM_FAILURE) {
435 msgConfirm("The disk label editor returned an error status. Upgrade operation\n"
437 return DITEM_FAILURE;
440 /* Don't write out MBR info */
441 variable_set2(DISK_PARTITIONED, "written", 0);
442 if (DITEM_STATUS(diskLabelCommit(self)) == DITEM_FAILURE) {
443 msgConfirm("Not all file systems were properly mounted. Upgrade operation\n"
445 variable_unset(DISK_PARTITIONED);
446 return DITEM_FAILURE;
450 msgNotify("chflags'ing old binaries - please wait.");
451 (void)vsystem("chflags -R noschg /mnt/");
453 msgNotify("Updating /stand on root filesystem");
454 (void)vsystem("find -x /stand | cpio %s -pdum /mnt", cpioVerbosity());
456 if (DITEM_STATUS(chroot("/mnt")) == DITEM_FAILURE) {
457 msgConfirm("Unable to chroot to /mnt - something is wrong with the\n"
458 "root partition or the way it's mounted if this doesn't work.");
459 variable_unset(DISK_PARTITIONED);
460 return DITEM_FAILURE;
463 systemCreateHoloshell();
466 if (!mediaVerify() || !DEVICE_INIT(mediaDevice)) {
467 msgNotify("Upgrade: Couldn't initialize media.");
468 return DITEM_FAILURE;
471 saved_etc = "/var/tmp/etc";
473 msgNotify("Preserving /etc directory..");
474 if (vsystem("tar -cpBf - -C /etc . | tar -xpBf - -C %s", saved_etc)) {
475 msgNotify("Unable to backup your /etc into %s.", saved_etc);
476 return DITEM_FAILURE;
480 * Back up the old kernel, leaving it in place in case we
483 if (directory_exists("/boot/kernel")) {
484 if (directory_exists("/boot/kernel.prev")) {
485 msgNotify("Removing /boot/kernel.prev");
486 if (system("rm -fr /boot/kernel.prev")) {
487 msgConfirm("NOTICE: I'm trying to back up /boot/kernel to\n"
488 "/boot/kernel.prev, but /boot/kernel.prev exists and I\n"
489 "can't remove it. This means that the backup will, in\n"
490 "all probability, fail.");
493 msgNotify("Copying old kernel to /boot/kernel.prev");
494 vsystem("cp -Rp /boot/kernel /boot/kernel.prev");
497 msgNotify("Beginning extraction of distributions.");
498 if (DITEM_STATUS(distExtractAll(self)) == DITEM_FAILURE) {
499 msgConfirm("Hmmmm. We couldn't even extract the base distribution. This upgrade\n"
500 "should be considered a failure and started from the beginning, sorry!\n"
501 "The system will reboot now.");
506 if (!(Dists & DIST_BASE)) {
507 msgNotify("The extraction process seems to have had some problems, but we got most\n"
508 "of the essentials. We'll treat this as a warning since it may have been\n"
509 "only non-essential distributions which failed to upgrade.");
512 msgConfirm("Hmmmm. We couldn't even extract the base distribution. This upgrade\n"
513 "should be considered a failure and started from the beginning, sorry!\n"
514 "The system will reboot now.");
520 msgNotify("First stage of upgrade completed successfully.");
521 if (vsystem("tar -cpBf - -C %s . | tar --unlink -xpBf - -C /etc", saved_etc)) {
522 msgNotify("Unable to resurrect your old /etc!");
523 return DITEM_FAILURE;
525 return DITEM_SUCCESS | DITEM_REDRAW;