nrelease - fix/improve livecd
[dragonfly.git] / usr.sbin / installer / dfuibe_installer / fn_disk.c
1 /*
2  * Copyright (c)2004 The DragonFly Project.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  *   Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  *
11  *   Redistributions in binary form must reproduce the above copyright
12  *   notice, this list of conditions and the following disclaimer in
13  *   the documentation and/or other materials provided with the
14  *   distribution.
15  *
16  *   Neither the name of the DragonFly Project nor the names of its
17  *   contributors may be used to endorse or promote products derived
18  *   from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31  * OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 /*
35  * fn_disk.c
36  * Disk functions for installer.
37  * $Id: fn_disk.c,v 1.40 2005/03/13 01:53:58 cpressey Exp $
38  */
39
40 #include <sys/diskmbr.h>
41
42 #include <stdlib.h>
43 #include <unistd.h>
44 #include <string.h>
45
46 #ifdef ENABLE_NLS
47 #include <libintl.h>
48 #define _(String) gettext (String)
49 #else
50 #define _(String) (String)
51 #endif
52
53 #include "libaura/mem.h"
54 #include "libaura/fspred.h"
55
56 #include "libdfui/dfui.h"
57 #include "libdfui/system.h"
58
59 #include "libinstaller/commands.h"
60 #include "libinstaller/diskutil.h"
61 #include "libinstaller/functions.h"
62 #include "libinstaller/uiutil.h"
63
64 #include "fn.h"
65 #include "pathnames.h"
66
67 /*** DISK-RELATED FUNCTIONS ***/
68
69 /*
70  * Ask the user which physical disk they want.
71  * Changes ss->selected_disk if successful.
72  */
73 void
74 fn_select_disk(struct i_fn_args *a)
75 {
76         struct dfui_form *f;
77         struct dfui_action *k;
78         struct dfui_response *r;
79         struct disk *d;
80
81         f = dfui_form_create(
82             "select_disk",
83             _("Select Disk"),
84             a->short_desc,
85             "",
86
87             "p", "role",  "menu",
88             "p", "special", "dfinstaller_select_disk",
89
90             NULL
91         );
92
93         for (d = storage_disk_first(a->s); d != NULL; d = disk_next(d)) {
94                 dfui_form_action_add(f, disk_get_device_name(d),
95                     dfui_info_new(disk_get_desc(d), "", ""));
96         }
97
98         k = dfui_form_action_add(f, "cancel",
99             dfui_info_new(a->cancel_desc, "", ""));
100         dfui_action_property_set(k, "accelerator", "ESC");
101
102         if (!dfui_be_present(a->c, f, &r))
103                 abort_backend();
104
105         if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) {
106                 a->result = 0;
107         } else {
108                 d = disk_find(a->s, dfui_response_get_action_id(r));
109                 if (d == NULL) {
110                         inform(a->c, _("Internal error - response from frontend "
111                             "should be a valid device name."));
112                         a->result = 0;
113                 } else {
114                         storage_set_selected_disk(a->s, d);
115                         a->result = 1;
116                 }
117         }
118
119         dfui_form_free(f);
120         dfui_response_free(r);
121 }
122
123 /*
124  * Ask the user which slice on a the selected disk they want.
125  * Changes ss->selected_slice.
126  */
127 void
128 fn_select_slice(struct i_fn_args *a)
129 {
130         struct dfui_form *f;
131         struct dfui_action *k;
132         struct dfui_response *r;
133         struct slice *s;
134         char string[16];
135
136         f = dfui_form_create(
137             "select_slice",
138             _("Select Primary Partition"),
139             a->short_desc,
140             "",
141
142             "p", "role", "menu",
143             "p", "special", "dfinstaller_select_slice",
144
145             NULL
146         );
147
148         for (s = disk_slice_first(storage_get_selected_disk(a->s));
149              s != NULL; s = slice_next(s)) {
150                 snprintf(string, 16, "%d", slice_get_number(s));
151                 dfui_form_action_add(f, string,
152                     dfui_info_new(slice_get_desc(s), "", ""));
153         }
154
155         k = dfui_form_action_add(f, "cancel",
156             dfui_info_new(a->cancel_desc, "", ""));
157         dfui_action_property_set(k, "accelerator", "ESC");
158
159         if (!dfui_be_present(a->c, f, &r))
160                 abort_backend();
161
162         if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) {
163                 a->result = 0;
164         } else {
165                 s = slice_find(storage_get_selected_disk(a->s),
166                     atoi(dfui_response_get_action_id(r)));
167                 if (s == NULL) {
168                         inform(a->c, _("Internal error - response from frontend "
169                             "should be a valid slice number."));
170                         a->result = 0;
171                 } else {
172                         storage_set_selected_slice(a->s, s);
173                         a->result = 1;
174                 }
175         }
176
177         dfui_form_free(f);
178         dfui_response_free(r);
179 }
180
181 /*
182  * If ss->selected_disk == NULL, user will be asked for which disk.
183  * Returns 1 if disk was formatted, 0 if it wasn't.
184  * If it was, ss->selected_disk and ss->selected_slice are set to it.
185  */
186 void
187 fn_format_disk_mbr(struct i_fn_args *a)
188 {
189         struct commands *cmds;
190         char *selected_disk_string;
191
192         if (storage_get_selected_disk(a->s) == NULL) {
193                 a->short_desc = _("Select a disk to format.");
194                 a->cancel_desc = _("Return to Utilities Menu");
195                 fn_select_disk(a);
196                 if (!a->result || storage_get_selected_disk(a->s) == NULL) {
197                         a->result = 0;
198                         return;
199                 }
200         }
201
202         if (confirm_dangerous_action(a->c,
203             _("WARNING!  ALL data in ALL partitions on the disk\n\n"
204             "%s\n\nwill be IRREVOCABLY ERASED!\n\nAre you ABSOLUTELY "
205             "SURE you wish to take this action?  This is your "
206             "LAST CHANCE to cancel!"), disk_get_desc(storage_get_selected_disk(a->s)))) {
207                 cmds = commands_new();
208
209                 command_add(cmds,
210                     "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
211                     a->os_root, cmd_name(a, "DD"),
212                     disk_get_device_name(storage_get_selected_disk(a->s)));
213                 command_add(cmds, "%s%s -BI %s",
214                     a->os_root, cmd_name(a, "FDISK"),
215                     disk_get_device_name(storage_get_selected_disk(a->s)));
216
217                 if (!commands_execute(a, cmds)) {
218                         inform(a->c, _("The disk\n\n%s\n\nwas "
219                             "not correctly formatted, and may "
220                             "now be in an inconsistent state. "
221                             "We recommend re-formatting it "
222                             "before attempting to install "
223                             "%s on it."),
224                             disk_get_desc(storage_get_selected_disk(a->s)),
225                             OPERATING_SYSTEM_NAME);
226                         commands_free(cmds);
227                         a->result = 0;
228                         return;
229                 }
230                 commands_free(cmds);
231
232                 /*
233                  * Since one of the disks has now changed, we must
234                  * refresh our view of them and re-select the disk
235                  * since the selected_disk pointer will be invalidated.
236                  */
237                 selected_disk_string = aura_strdup(
238                     disk_get_device_name(storage_get_selected_disk(a->s)));
239                 if (!survey_storage(a)) {
240                         inform(a->c, _("Errors occurred while probing "
241                             "the system for its storage capabilities."));
242                 }
243                 storage_set_selected_disk(a->s, disk_find(a->s, selected_disk_string));
244                 free(selected_disk_string);
245
246                 /*
247                  * Note that we formatted this disk and that we want
248                  * to use the first (and only) slice of it.
249                  */
250                 disk_set_formatted(storage_get_selected_disk(a->s), 1);
251                 storage_set_selected_slice(a->s, disk_slice_first(storage_get_selected_disk(a->s)));
252
253                 if (!format_slice(a)) {
254                         inform(a->c, _("The sole primary partition of "
255                             "the disk\n\n%s\n\nwas "
256                             "not correctly formatted, and may "
257                             "now be in an inconsistent state. "
258                             "We recommend re-formatting the "
259                             "disk before attempting to install "
260                             "%s on it."),
261                             disk_get_desc(storage_get_selected_disk(a->s)),
262                             OPERATING_SYSTEM_NAME);
263                         a->result = 0;
264                         return;
265                 }
266                 inform(a->c, _("The disk\n\n%s\n\nwas formatted."),
267                     disk_get_desc(storage_get_selected_disk(a->s)));
268                 a->result = 1;
269         } else {
270                 inform(a->c, _("Action cancelled - no disks were formatted."));
271                 a->result = 0;
272         }
273 }
274
275 void
276 fn_format_disk_uefi(struct i_fn_args *a)
277 {
278         struct commands *cmds;
279         char *selected_disk_string;
280
281         if (storage_get_selected_disk(a->s) == NULL) {
282                 a->short_desc = _("Select a disk to format.");
283                 a->cancel_desc = _("Return to Utilities Menu");
284                 fn_select_disk(a);
285                 if (!a->result || storage_get_selected_disk(a->s) == NULL) {
286                         a->result = 0;
287                         return;
288                 }
289         }
290
291         if (confirm_dangerous_action(a->c,
292             _("WARNING!  ALL data in ALL partitions on the disk\n\n"
293             "%s\n\nwill be IRREVOCABLY ERASED!\n\nAre you ABSOLUTELY "
294             "SURE you wish to take this action?  This is your "
295             "LAST CHANCE to cancel!"), disk_get_desc(storage_get_selected_disk(a->s)))) {
296                 cmds = commands_new();
297
298                 command_add(cmds,
299                     "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
300                     a->os_root, cmd_name(a, "DD"),
301                     disk_get_device_name(storage_get_selected_disk(a->s)));
302                 command_add(cmds, "%s%s destroy %s",
303                     a->os_root, cmd_name(a, "GPT"),
304                     disk_get_device_name(storage_get_selected_disk(a->s)));
305                 command_add(cmds, "%s%s create -f %s",
306                     a->os_root, cmd_name(a, "GPT"),
307                     disk_get_device_name(storage_get_selected_disk(a->s)));
308                 command_add(cmds, "%s%s add -i 0 -s 262144 -t efi %s",
309                     a->os_root, cmd_name(a, "GPT"),
310                     disk_get_device_name(storage_get_selected_disk(a->s)));
311                 command_add(cmds, "%s%s add -i 1 -t dragonfly %s",
312                     a->os_root, cmd_name(a, "GPT"),
313                     disk_get_device_name(storage_get_selected_disk(a->s)));
314                 command_add(cmds, "%s%s -F 32 -c 2 -L EFI -m 0xf8 %ss0",
315                     a->os_root, cmd_name(a, "NEWFS_MSDOS"),
316                     disk_get_device_name(storage_get_selected_disk(a->s)));
317                 command_add(cmds, "%s%s /dev/%ss0 %smnt",
318                     a->os_root, cmd_name(a, "MOUNT_MSDOS"),
319                     disk_get_device_name(storage_get_selected_disk(a->s)),
320                     a->os_root);
321                 command_add(cmds, "%s%s -p %smnt/EFI/BOOT",
322                     a->os_root, cmd_name(a, "MKDIR"), a->os_root);
323                 command_add(cmds,
324                     "%s%s %s/boot/boot1.efi %smnt/EFI/BOOT/BOOTX64.EFI",
325                     a->os_root, cmd_name(a, "CP"),
326                     a->os_root, a->os_root);
327                 command_add(cmds, "%s%s %smnt",
328                     a->os_root, cmd_name(a, "UMOUNT"), a->os_root);
329
330                 if (!commands_execute(a, cmds)) {
331                         inform(a->c, _("The disk\n\n%s\n\nwas "
332                             "not correctly formatted, and may "
333                             "now be in an inconsistent state. "
334                             "We recommend re-formatting it "
335                             "before attempting to install "
336                             "%s on it."),
337                             disk_get_desc(storage_get_selected_disk(a->s)),
338                             OPERATING_SYSTEM_NAME);
339                         commands_free(cmds);
340                         a->result = 0;
341                         return;
342                 }
343                 commands_free(cmds);
344
345                 /*
346                  * Since one of the disks has now changed, we must
347                  * refresh our view of them and re-select the disk
348                  * since the selected_disk pointer will be invalidated.
349                  */
350                 selected_disk_string = aura_strdup(
351                     disk_get_device_name(storage_get_selected_disk(a->s)));
352                 if (!survey_storage(a)) {
353                         inform(a->c, _("Errors occurred while probing "
354                             "the system for its storage capabilities."));
355                 }
356                 storage_set_selected_disk(a->s,
357                     disk_find(a->s, selected_disk_string));
358                 free(selected_disk_string);
359
360                 /*
361                  * Note that we formatted this disk and that we want
362                  * to use the first (and only) slice of it.
363                  */
364                 disk_set_formatted(storage_get_selected_disk(a->s), 1);
365                 storage_set_selected_slice(a->s,
366                     disk_slice_first(storage_get_selected_disk(a->s)));
367
368                 inform(a->c, _("The disk\n\n%s\n\nwas formatted."),
369                     disk_get_desc(storage_get_selected_disk(a->s)));
370                 a->result = 1;
371         } else {
372                 inform(a->c, _("Action cancelled - no disks were formatted."));
373                 a->result = 0;
374         }
375 }
376
377 /*
378  * Wipes the start of the selected disk.
379  */
380 void
381 fn_wipe_start_of_disk(struct i_fn_args *a)
382 {
383         struct commands *cmds;
384
385         a->short_desc = _("If you are having problems formatting a disk, "
386             "it may be because of junk that has accumulated "
387             "in the boot block and the partition table. "
388             "A cure for this is to wipe out everything on "
389             "the first few sectors of the disk.  However, this "
390             "is a rather drastic action to take, so it is not "
391             "recommended unless you are otherwise "
392             "encountering problems.");
393         a->cancel_desc = _("Return to Utilities Menu");
394         fn_select_disk(a);
395         if (!a->result)
396                 return;
397
398         /* XXX check to make sure no slices on this disk are mounted first? */
399         if (storage_get_selected_disk(a->s) != NULL && confirm_dangerous_action(a->c,
400             _("WARNING!  ALL data in ALL partitions on the disk\n\n"
401             "%s\n\nwill be IRREVOCABLY ERASED!\n\nAre you ABSOLUTELY "
402             "SURE you wish to take this action?  This is your "
403             "LAST CHANCE to cancel!"), disk_get_desc(storage_get_selected_disk(a->s)))) {
404                 cmds = commands_new();
405                 command_add(cmds,
406                     "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
407                     a->os_root, cmd_name(a, "DD"),
408                     disk_get_device_name(storage_get_selected_disk(a->s)));
409                 if (commands_execute(a, cmds)) {
410                         inform(a->c, _("Start of disk was successfully wiped."));
411                 } else {
412                         inform(a->c, _("Some errors occurred. "
413                             "Start of disk was not successfully wiped."));
414                 }
415                 commands_free(cmds);
416         }
417 }
418
419 /*
420  * Wipes the start of the selected slice.
421  */
422 void
423 fn_wipe_start_of_slice(struct i_fn_args *a)
424 {
425         struct commands *cmds;
426
427         a->short_desc =
428           _("If you are having problems formatting a primary partition, "
429             "it may be because of junk that has accumulated in the "
430             "partition's `disklabel'. A cure for this is to wipe out "
431             "everything on the first few sectors of the primary partition. "
432             "However, this is a rather drastic action to take, so it is not "
433             "recommended unless you are otherwise encountering problems.");
434         a->cancel_desc = _("Return to Utilities Menu");
435         fn_select_slice(a);
436         if (!a->result)
437                 return;
438
439         if (confirm_dangerous_action(a->c,
440             _("WARNING!  ALL data in primary partition #%d,\n\n%s\n\non the "
441             "disk\n\n%s\n\n will be IRREVOCABLY ERASED!\n\nAre you "
442             "ABSOLUTELY SURE you wish to take this action?  This is "
443             "your LAST CHANCE to cancel!"),
444             slice_get_number(storage_get_selected_slice(a->s)),
445             slice_get_desc(storage_get_selected_slice(a->s)),
446             disk_get_desc(storage_get_selected_disk(a->s)))) {
447                 /* XXX check to make sure this slice is not mounted first */
448                 cmds = commands_new();
449                 command_add(cmds, "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
450                     a->os_root, cmd_name(a, "DD"),
451                     slice_get_device_name(storage_get_selected_slice(a->s)));
452                 if (commands_execute(a, cmds)) {
453                         inform(a->c, _("Start of primary partition was successfully wiped."));
454                 } else {
455                         inform(a->c, _("Some errors occurred. "
456                             "Start of primary partition was not successfully wiped."));
457                 }
458                 commands_free(cmds);
459         }
460 }
461
462 static void
463 ask_to_wipe_boot_sector(struct i_fn_args *a, struct commands *fcmds)
464 {
465         struct commands *cmds;
466         struct command *cmd;
467         char *disk;
468
469         for (cmd = command_get_first(fcmds); cmd != NULL;
470              cmd = command_get_next(cmd)) {
471                 disk = command_get_tag(cmd);
472                 if (disk != NULL &&
473                     command_get_result(cmd) > 0 &&
474                     command_get_result(cmd) < 256) {
475                         switch (dfui_be_present_dialog(a->c,
476                             _("Bootblock Install Failed"),
477                             _("Re-Initialize Bootblock|Cancel"),
478                             _("Warning: bootblocks were not successfully "
479                             "installed on the disk `%s'. This may be "
480                             "because the disk is new and not yet "
481                             "formatted. If this is the case, it might "
482                             "help to re-initialize the boot sector, "
483                             "then try installing the bootblock again. "
484                             "Note that this should not affect the "
485                             "partition table of the disk."),
486                             disk)) {
487                         case 1:
488                                 cmds = commands_new();
489                                 command_add(cmds,
490                                     "%s%s | %s%s -B /dev/%s",
491                                     a->os_root, cmd_name(a, "YES"),
492                                     a->os_root, cmd_name(a, "FDISK"),
493                                     disk);
494                                 if (commands_execute(a, cmds)) {
495                                         inform(a->c, _("Boot sector successfully initialized."));
496                                 } else {
497                                         inform(a->c, _("Some errors occurred. "
498                                             "Boot sector was not successfully initialized."));
499                                 }
500                                 commands_free(cmds);
501                                 break;
502                         default:
503                                 break;
504                         }
505                 }
506         }
507 }
508
509 void
510 fn_install_bootblocks(struct i_fn_args *a, const char *device)
511 {
512         struct dfui_form *f;
513         struct dfui_response *r;
514         struct dfui_dataset *ds;
515         struct disk *d;
516         struct commands *cmds;
517         struct command *cmd;
518         char disk[64], boot0cfg[32], packet[32];
519         char msg_buf[1][1024];
520
521         snprintf(msg_buf[0], sizeof(msg_buf[0]),
522             "'Packet Mode' refers to using newer BIOS calls to boot "
523             "from a partition of the disk.  It is generally not "
524             "required unless:\n\n"
525             "- your BIOS does not support legacy mode; or\n"
526             "- your %s primary partition resides on a "
527             "cylinder of the disk beyond cylinder 1024; or\n"
528             "- you just can't get it to boot without it.",
529             OPERATING_SYSTEM_NAME);
530
531         f = dfui_form_create(
532             "install_bootstrap",
533             _("Install Bootblock(s)"),
534             a->short_desc,
535
536             msg_buf[0],
537
538             "p", "special", "dfinstaller_install_bootstrap",
539
540             "f", "disk", _("Disk Drive"),
541             _("The disk on which you wish to install a bootblock"), "",
542             "p", "editable", "false",
543             "f", "boot0cfg", _("Install Bootblock?"),
544             _("Install a bootblock on this disk"), "",
545             "p", "control", "checkbox",
546             "f", "packet", _("Packet Mode?"),
547             _("Select this to use 'packet mode' to boot the disk"), "",
548             "p", "control", "checkbox",
549
550             "a", "ok", _("Accept and Install Bootblocks"), "", "",
551             "a", "cancel", a->cancel_desc, "", "",
552             "p", "accelerator", "ESC",
553
554             NULL
555         );
556
557         dfui_form_set_multiple(f, 1);
558
559         if (device != NULL) {
560                 ds = dfui_dataset_new();
561                 dfui_dataset_celldata_add(ds, "disk", device);
562                 dfui_dataset_celldata_add(ds, "boot0cfg", "Y");
563                 dfui_dataset_celldata_add(ds, "packet", "Y");
564                 dfui_form_dataset_add(f, ds);
565         } else {
566                 for (d = storage_disk_first(a->s); d != NULL; d = disk_next(d)) {
567                         ds = dfui_dataset_new();
568                         dfui_dataset_celldata_add(ds, "disk",
569                             disk_get_device_name(d));
570                         dfui_dataset_celldata_add(ds, "boot0cfg", "Y");
571                         dfui_dataset_celldata_add(ds, "packet", "Y");
572                         dfui_form_dataset_add(f, ds);
573                 }
574         }
575
576         if (!dfui_be_present(a->c, f, &r))
577                 abort_backend();
578
579         a->result = 0;
580         if (strcmp(dfui_response_get_action_id(r), "ok") == 0) {
581                 cmds = commands_new();
582
583                 for (ds = dfui_response_dataset_get_first(r); ds != NULL;
584                      ds = dfui_dataset_get_next(ds)) {
585                         strlcpy(disk, dfui_dataset_get_value(ds, "disk"), 64);
586                         strlcpy(boot0cfg, dfui_dataset_get_value(ds, "boot0cfg"), 32);
587                         strlcpy(packet, dfui_dataset_get_value(ds, "packet"), 32);
588
589                         if (strcasecmp(boot0cfg, "Y") == 0) {
590                                 cmd = command_add(cmds, "%s%s -B -o %spacket %s",
591                                     a->os_root, cmd_name(a, "BOOT0CFG"),
592                                     strcasecmp(packet, "Y") == 0 ? "" : "no",
593                                     disk);
594                                 command_set_failure_mode(cmd, COMMAND_FAILURE_WARN);
595                                 command_set_tag(cmd, "%s", disk);
596                                 cmd = command_add(cmds, "%s%s -v %s",
597                                     a->os_root, cmd_name(a, "BOOT0CFG"),
598                                     disk);
599                                 command_set_failure_mode(cmd, COMMAND_FAILURE_WARN);
600                                 command_set_tag(cmd, "%s", disk);
601                         }
602                 }
603
604                 if (!commands_execute(a, cmds)) {
605                         ask_to_wipe_boot_sector(a, cmds);
606                 } else {
607                         inform(a->c, _("Bootblocks were successfully installed!"));
608                         a->result = 1;
609                 }
610                 commands_free(cmds);
611         }
612
613         dfui_form_free(f);
614         dfui_response_free(r);
615 }
616
617 void
618 fn_format_msdos_floppy(struct i_fn_args *a)
619 {
620         struct commands *cmds;
621
622         switch (dfui_be_present_dialog(a->c, _("Format MSDOS Floppy"),
623             _("Format Floppy|Return to Utilities Menu"),
624             _("Please insert the floppy to be formatted "
625             "in unit 0 (``drive A:'')."))) {
626         case 1:
627                 cmds = commands_new();
628                 command_add(cmds, "%s%s -y -f 1440 /dev/fd0",
629                     a->os_root, cmd_name(a, "FDFORMAT"));
630                 command_add(cmds, "%s%s -f 1440 fd0",
631                     a->os_root, cmd_name(a, "NEWFS_MSDOS"));
632                 if (commands_execute(a, cmds))
633                         inform(a->c, _("Floppy successfully formatted!"));
634                 else
635                         inform(a->c, _("Floppy was not successfully formatted."));
636                 break;
637         case 2:
638                 return;
639         default:
640                 abort_backend();
641         }
642 }
643
644 void
645 fn_create_cdboot_floppy(struct i_fn_args *a)
646 {
647         struct commands *cmds;
648         char msg_buf[1][1024];
649
650         snprintf(msg_buf[0], sizeof(msg_buf[0]),
651             "%s cannot be installed from a floppy; "
652             "it must be installed from a booted CD-ROM. "
653             "However, many older systems do not support booting "
654             "from a CD-ROM. For these systems, a boot disk can be "
655             "created. This boot disk contains the Smart Boot "
656             "Manager program, which can boot a CD-ROM even "
657             "on systems with BIOSes which do not support booting "
658             "from the CD-ROM.\n\n"
659             "Smart Boot Manager is not a part of %s; "
660             "the Smart Boot Manager project can be found here:\n\n"
661             "http://btmgr.sourceforge.net/\n\n"
662             "To create a CDBoot floppy, insert a blank floppy "
663             "in unit 0 (``drive A:'') before proceeding."
664             "",
665             OPERATING_SYSTEM_NAME, OPERATING_SYSTEM_NAME);
666
667         switch (dfui_be_present_dialog(a->c, _("Create CDBoot Floppy"),
668             _("Create CDBoot Floppy|Return to Utilities Menu"),
669             "%s", msg_buf[0])) {
670         case 1:
671                 cmds = commands_new();
672                 command_add(cmds, "%s%s -c %sboot/cdboot.flp.bz2 | "
673                     "%s%s of=/dev/fd0 bs=32k",
674                     a->os_root, cmd_name(a, "BUNZIP2"),
675                     a->os_root,
676                     a->os_root, cmd_name(a, "DD"));
677                 if (commands_execute(a, cmds))
678                         inform(a->c, _("CDBoot floppy successfully created!"));
679                 else
680                         inform(a->c, _("CDBoot floppy was not successfully created."));
681                 break;
682         case 2:
683                 return;
684         default:
685                 abort_backend();
686         }
687 }
688
689 /**** NON-fn_ FUNCTIONS ***/
690
691 int
692 format_slice(struct i_fn_args *a)
693 {
694         struct commands *cmds;
695         struct command *cmd;
696         int result;
697         int cyl, hd, sec;
698
699         cmds = commands_new();
700
701         /*
702          * The information in a->s NEEDS to be accurate here!
703          * Presumably we just did a survey_storage() recently.
704          * XXX should we do another one here anyway just to be paranoid?
705          */
706
707         /*
708          * Make sure the survey did get disk info correctly or fail
709          */
710         if ((storage_get_selected_disk(a->s) == NULL) ||
711             (storage_get_selected_slice(a->s) == NULL))
712                 return 0;
713
714         /*
715          * Set the slice's sysid to 108.
716          */
717         disk_get_geometry(storage_get_selected_disk(a->s), &cyl, &hd, &sec);
718         command_add(cmds, "%s%s 'g c%d h%d s%d' >%snew.fdisk",
719             a->os_root, cmd_name(a, "ECHO"),
720             cyl, hd, sec,
721             a->tmp);
722         command_add(cmds, "%s%s 'p %d %d %lu %lu' >>%snew.fdisk",
723             a->os_root, cmd_name(a, "ECHO"),
724             slice_get_number(storage_get_selected_slice(a->s)),
725             DOSPTYP_DFLYBSD,
726             slice_get_start(storage_get_selected_slice(a->s)),
727             slice_get_size(storage_get_selected_slice(a->s)),
728             a->tmp);
729         if (slice_get_flags(storage_get_selected_slice(a->s)) & 0x80) {
730                 command_add(cmds, "%s%s 'a %d' >>%snew.fdisk",
731                     a->os_root, cmd_name(a, "ECHO"),
732                     slice_get_number(storage_get_selected_slice(a->s)),
733                     a->tmp);
734         }
735
736         command_add(cmds, "%s%s %snew.fdisk",
737             a->os_root, cmd_name(a, "CAT"), a->tmp);
738         temp_file_add(a, "new.fdisk");
739
740         /*
741          * Execute the fdisk script.
742          */
743         cmd = command_add(cmds, "%s%s -v -f %snew.fdisk %s",
744             a->os_root, cmd_name(a, "FDISK"), a->tmp,
745             disk_get_device_name(storage_get_selected_disk(a->s)));
746         if (slice_get_size(storage_get_selected_slice(a->s)) == 0xFFFFFFFFU)
747                 command_set_failure_mode(cmd, COMMAND_FAILURE_IGNORE);
748
749         /*
750          * If there is an old 'virgin' disklabel hanging around
751          * in the temp dir, get rid of it.  This won't happen
752          * from a real CD, but might happen with '-o' installs.
753          */
754         command_add(cmds, "%s%s -f %sinstall.disklabel.%s",
755             a->os_root, cmd_name(a, "RM"),
756             a->tmp,
757             slice_get_device_name(storage_get_selected_slice(a->s)));
758
759         result = commands_execute(a, cmds);
760
761         commands_free(cmds);
762
763         return(result);
764 }