2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
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
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.
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.
36 * Installer Function : Create HAMMER Subpartitions.
45 #define _(String) gettext (String)
47 #define _(String) (String)
50 #include "libaura/mem.h"
51 #include "libaura/buffer.h"
52 #include "libaura/dict.h"
53 #include "libaura/fspred.h"
55 #include "libdfui/dfui.h"
56 #include "libdfui/dump.h"
57 #include "libdfui/system.h"
59 #include "libinstaller/commands.h"
60 #include "libinstaller/diskutil.h"
61 #include "libinstaller/functions.h"
62 #include "libinstaller/uiutil.h"
66 #include "pathnames.h"
68 static int create_subpartitions(struct i_fn_args
*);
69 static long default_capacity(struct storage
*, const char *);
70 static int check_capacity(struct i_fn_args
*);
71 static int check_subpartition_selections(struct dfui_response
*, struct i_fn_args
*);
72 static void save_subpartition_selections(struct dfui_response
*, struct i_fn_args
*);
73 static void populate_create_subpartitions_form(struct dfui_form
*, struct i_fn_args
*);
74 static int warn_subpartition_selections(struct i_fn_args
*);
75 static struct dfui_form
*make_create_subpartitions_form(struct i_fn_args
*);
76 static int show_create_subpartitions_form(struct dfui_form
*, struct i_fn_args
*);
78 static const char *def_mountpt
[] = {"/boot", "swap", "/", NULL
};
79 static int expert
= 0;
82 * Given a set of subpartitions-to-be in the selected slice,
86 create_subpartitions(struct i_fn_args
*a
)
88 struct subpartition
*sp
;
89 struct commands
*cmds
;
93 cmds
= commands_new();
94 if (!is_file("%sinstall.disklabel.%s",
96 slice_get_device_name(storage_get_selected_slice(a
->s
)))) {
98 * Get a copy of the 'virgin' disklabel.
99 * XXX It might make more sense for this to
100 * happen right after format_slice() instead.
102 command_add(cmds
, "%s%s -r %s >%sinstall.disklabel.%s",
103 a
->os_root
, cmd_name(a
, "DISKLABEL64"),
104 slice_get_device_name(storage_get_selected_slice(a
->s
)),
106 slice_get_device_name(storage_get_selected_slice(a
->s
)));
110 * Weave together a new disklabel out the of the 'virgin'
111 * disklabel, and the user's subpartition choices.
115 * Take everything from the 'virgin' disklabel up until the
116 * '16 partitions' line.
119 command_add(cmds
, "%s%s '$2==\"partitions:\" || cut { cut = 1 } !cut { print $0 }' <%sinstall.disklabel.%s >%sinstall.disklabel",
120 a
->os_root
, cmd_name(a
, "AWK"),
122 slice_get_device_name(storage_get_selected_slice(a
->s
)),
127 * # size offset fstype
128 * c: 16383969 0 unused # 7999.985MB
131 command_add(cmds
, "%s%s '%d partitions:' >>%sinstall.disklabel",
132 a
->os_root
, cmd_name(a
, "ECHO"), num_partitions
,a
->tmp
);
133 command_add(cmds
, "%s%s '%s' >>%sinstall.disklabel",
134 a
->os_root
, cmd_name(a
, "ECHO"),
135 "# size offset fstype",
139 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
140 sp
!= NULL
; sp
= subpartition_next(sp
)) {
141 command_add(cmds
, "%s%s 'mountpoint: %s device: %s'",
142 a
->os_root
, cmd_name(a
, "ECHO"),
143 subpartition_get_mountpoint(sp
),
144 subpartition_get_device_name(sp
));
149 * Write a line for each subpartition the user wants.
151 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
152 sp
!= NULL
; sp
= subpartition_next(sp
)) {
153 if (subpartition_is_mfsbacked(sp
)) {
156 if (subpartition_is_swap(sp
)) {
157 command_add(cmds
, "%s%s ' %c:\t%s\t*\tswap' >>%sinstall.disklabel",
158 a
->os_root
, cmd_name(a
, "ECHO"),
159 subpartition_get_letter(sp
),
160 capacity_to_string(subpartition_get_capacity(sp
)),
162 } else if (strcmp(subpartition_get_mountpoint(sp
), "/boot") == 0) {
163 command_add(cmds
, "%s%s ' %c:\t%s\t0\t4.2BSD' >>%sinstall.disklabel",
164 a
->os_root
, cmd_name(a
, "ECHO"),
165 subpartition_get_letter(sp
),
166 capacity_to_string(subpartition_get_capacity(sp
)),
169 command_add(cmds
, "%s%s ' %c:\t%s\t*\tHAMMER' >>%sinstall.disklabel",
170 a
->os_root
, cmd_name(a
, "ECHO"),
171 subpartition_get_letter(sp
),
172 capacity_to_string(subpartition_get_capacity(sp
)),
176 temp_file_add(a
, "install.disklabel");
179 * Label the slice from the disklabel we just wove together.
181 command_add(cmds
, "%s%s -R -B -r %s %sinstall.disklabel",
182 a
->os_root
, cmd_name(a
, "DISKLABEL64"),
183 slice_get_device_name(storage_get_selected_slice(a
->s
)),
187 * Create a snapshot of the disklabel we just created
188 * for debugging inspection in the log.
190 command_add(cmds
, "%s%s %s",
191 a
->os_root
, cmd_name(a
, "DISKLABEL64"),
192 slice_get_device_name(storage_get_selected_slice(a
->s
)));
195 * Create filesystems on the newly-created subpartitions.
197 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
198 sp
!= NULL
; sp
= subpartition_next(sp
)) {
199 if (subpartition_is_swap(sp
) || subpartition_is_mfsbacked(sp
))
202 if (strcmp(subpartition_get_mountpoint(sp
), "/boot") == 0) {
203 command_add(cmds
, "%s%s %sdev/%s",
204 a
->os_root
, cmd_name(a
, "NEWFS"),
206 subpartition_get_device_name(sp
));
208 command_add(cmds
, "%s%s -f -L ROOT %sdev/%s",
209 a
->os_root
, cmd_name(a
, "NEWFS_HAMMER"),
211 subpartition_get_device_name(sp
));
215 result
= commands_execute(a
, cmds
);
221 default_capacity(struct storage
*s
, const char *mtpt
)
223 unsigned long boot
, root
, swap
;
224 unsigned long capacity
;
227 capacity
= slice_get_capacity(storage_get_selected_slice(s
));
228 mem
= storage_get_memsize(s
);
231 * Try to get 768M for /boot, but if space is tight go down to 128M
233 * For swap, start with 2*mem but take less if space is tight
235 * Rest goes to / (which is at least 75% slice size).
238 root
= capacity
/ 4 * 3;
243 while (boot
+ root
> capacity
- 384)
245 if (boot
+ root
+ swap
> capacity
)
246 swap
= capacity
- boot
- root
;
248 if (capacity
< DISK_MIN
)
250 else if (strcmp(mtpt
, "/boot") == 0)
252 else if (strcmp(mtpt
, "swap") == 0)
254 else if (strcmp(mtpt
, "/") == 0)
257 /* shouldn't ever happen */
262 check_capacity(struct i_fn_args
*a
)
264 struct subpartition
*sp
;
265 unsigned long min_capacity
[] = {128, 0, DISK_MIN
- 128, 0};
266 unsigned long total_capacity
= 0;
267 unsigned long remaining_capacity
;
268 int mtpt
, warn_smallpart
= 0;
270 remaining_capacity
= slice_get_capacity(storage_get_selected_slice(a
->s
));
271 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
272 sp
!= NULL
; sp
= subpartition_next(sp
)) {
273 if (subpartition_get_capacity(sp
) != -1)
274 remaining_capacity
-= subpartition_get_capacity(sp
);
277 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
278 sp
!= NULL
; sp
= subpartition_next(sp
)) {
279 if (subpartition_get_capacity(sp
) == -1)
282 total_capacity
+= subpartition_get_capacity(sp
);
283 for (mtpt
= 0; def_mountpt
[mtpt
] != NULL
; mtpt
++) {
284 if (strcmp(subpartition_get_mountpoint(sp
), def_mountpt
[mtpt
]) == 0 &&
285 min_capacity
[mtpt
] > 0 &&
286 subpartition_get_capacity(sp
) < min_capacity
[mtpt
]) {
287 inform(a
->c
, _("WARNING: the %s subpartition should "
288 "be at least %dM in size or you will "
289 "risk running out of space during "
290 "the installation."),
291 subpartition_get_mountpoint(sp
), min_capacity
[mtpt
]);
294 if ((subpartition_get_capacity(sp
) == -1 &&
295 remaining_capacity
< HAMMER_MIN
) ||
296 (strcmp(subpartition_get_mountpoint(sp
), "/boot") != 0 &&
297 strcmp(subpartition_get_mountpoint(sp
), "swap") != 0 &&
298 subpartition_get_capacity(sp
) < HAMMER_MIN
))
302 if (total_capacity
> slice_get_capacity(storage_get_selected_slice(a
->s
))) {
303 inform(a
->c
, _("The space allocated to all of your selected "
304 "subpartitions (%dM) exceeds the total "
305 "capacity of the selected primary partition "
306 "(%dM). Remove some subpartitions or choose "
307 "a smaller size for them and try again."),
308 total_capacity
, slice_get_capacity(storage_get_selected_slice(a
->s
)));
313 return (confirm_dangerous_action(a
->c
,
314 _("WARNING: HAMMER filesystems less than 50GB are "
316 "You may have to run 'hammer prune-everything' and "
318 "quite often, even if using a nohistory mount.")));
324 check_subpartition_selections(struct dfui_response
*r
, struct i_fn_args
*a
)
326 struct dfui_dataset
*ds
;
327 struct dfui_dataset
*star_ds
= NULL
;
329 const char *mountpoint
, *capstring
;
334 d
= aura_dict_new(1, AURA_DICT_LIST
);
336 if ((ds
= dfui_response_dataset_get_first(r
)) == NULL
) {
337 inform(a
->c
, _("Please set up at least one subpartition."));
341 for (ds
= dfui_response_dataset_get_first(r
); valid
&& ds
!= NULL
;
342 ds
= dfui_dataset_get_next(ds
)) {
344 dfui_dataset_dump(ds
);
346 mountpoint
= dfui_dataset_get_value(ds
, "mountpoint");
347 capstring
= dfui_dataset_get_value(ds
, "capacity");
349 if (aura_dict_exists(d
, mountpoint
, strlen(mountpoint
) + 1)) {
350 inform(a
->c
, _("The same mount point cannot be specified "
351 "for two different subpartitions."));
355 if (strcmp(mountpoint
, "/") == 0)
358 if (strcmp(capstring
, "*") == 0) {
359 if (star_ds
!= NULL
) {
360 inform(a
->c
, _("You cannot have more than one subpartition "
361 "with a '*' capacity (meaning 'use the remainder "
362 "of the primary partition'.)"));
369 if (!(!strcasecmp(mountpoint
, "swap") || mountpoint
[0] == '/')) {
370 inform(a
->c
, _("Mount point must be either 'swap', or it must "
371 "start with a '/'."));
375 if (strpbrk(mountpoint
, " \\\"'`") != NULL
) {
376 inform(a
->c
, _("Mount point may not contain the following "
377 "characters: blank space, backslash, or "
378 "single, double, or back quotes."));
382 if (strlen(capstring
) == 0) {
383 inform(a
->c
, _("A capacity must be specified."));
387 if (!string_to_capacity(capstring
, &capacity
)) {
388 inform(a
->c
, _("Capacity must be either a '*' symbol to indicate "
389 "'use the rest of the primary partition', or it "
390 "must be a series of decimal digits ending with a "
391 "'M' (indicating megabytes) or a 'G' (indicating "
396 if ((strcasecmp(mountpoint
, "swap") == 0) && (capacity
> 8192)) {
397 inform(a
->c
, _("Swap capacity is limited to 8G."));
402 * If we made it through that obstacle course, all is well.
406 aura_dict_store(d
, mountpoint
, strlen(mountpoint
) + 1, "", 1);
410 inform(a
->c
, _("You must include a / (root) subpartition."));
414 if (aura_dict_size(d
) > 16) {
415 inform(a
->c
, _("You cannot have more than 16 subpartitions "
416 "on a single primary partition. Remove some "
427 save_subpartition_selections(struct dfui_response
*r
, struct i_fn_args
*a
)
429 struct dfui_dataset
*ds
;
430 const char *mountpoint
, *capstring
;
434 subpartitions_free(storage_get_selected_slice(a
->s
));
436 for (ds
= dfui_response_dataset_get_first(r
); valid
&& ds
!= NULL
;
437 ds
= dfui_dataset_get_next(ds
)) {
438 mountpoint
= dfui_dataset_get_value(ds
, "mountpoint");
439 capstring
= dfui_dataset_get_value(ds
, "capacity");
441 if (string_to_capacity(capstring
, &capacity
)) {
442 subpartition_new_hammer(storage_get_selected_slice(a
->s
),
443 mountpoint
, capacity
);
449 populate_create_subpartitions_form(struct dfui_form
*f
, struct i_fn_args
*a
)
451 struct subpartition
*sp
;
452 struct dfui_dataset
*ds
;
456 if (slice_subpartition_first(storage_get_selected_slice(a
->s
)) != NULL
) {
458 * The user has already given us their subpartition
459 * preferences, so use them here.
461 for (sp
= slice_subpartition_first(storage_get_selected_slice(a
->s
));
462 sp
!= NULL
; sp
= subpartition_next(sp
)) {
463 ds
= dfui_dataset_new();
464 dfui_dataset_celldata_add(ds
, "mountpoint",
465 subpartition_get_mountpoint(sp
));
466 dfui_dataset_celldata_add(ds
, "capacity",
467 capacity_to_string(subpartition_get_capacity(sp
)));
468 dfui_form_dataset_add(f
, ds
);
472 * Otherwise, populate the form with datasets representing
473 * reasonably-calculated defaults. The defaults are chosen
474 * based on the slice's total capacity and the machine's
475 * total physical memory (for swap.)
477 for (i
= 0; def_mountpt
[i
] != NULL
; i
++) {
478 capacity
= default_capacity(a
->s
, def_mountpt
[i
]);
479 ds
= dfui_dataset_new();
480 dfui_dataset_celldata_add(ds
, "mountpoint",
482 dfui_dataset_celldata_add(ds
, "capacity",
483 capacity_to_string(capacity
));
484 dfui_form_dataset_add(f
, ds
);
490 warn_subpartition_selections(struct i_fn_args
*a
)
494 if (subpartition_find(storage_get_selected_slice(a
->s
), "/boot") == NULL
) {
495 inform(a
->c
, _("The /boot partition must not be omitted."));
496 } else if (subpartition_find(storage_get_selected_slice(a
->s
), "/home") != NULL
||
497 subpartition_find(storage_get_selected_slice(a
->s
), "/tmp") != NULL
||
498 subpartition_find(storage_get_selected_slice(a
->s
), "/usr") != NULL
||
499 subpartition_find(storage_get_selected_slice(a
->s
), "/usr/obj") != NULL
||
500 subpartition_find(storage_get_selected_slice(a
->s
), "/var") != NULL
||
501 subpartition_find(storage_get_selected_slice(a
->s
), "/var/crash") != NULL
||
502 subpartition_find(storage_get_selected_slice(a
->s
), "/var/tmp") != NULL
) {
503 inform(a
->c
, _("Pseudo filesystems will automatically be created "
504 "for /home, /tmp, /usr, /usr/obj, /var, /var/crash "
505 "and /var/tmp and must not be specified."));
507 valid
= check_capacity(a
);
513 static struct dfui_form
*
514 make_create_subpartitions_form(struct i_fn_args
*a
)
517 char msg_buf
[1][1024];
519 snprintf(msg_buf
[0], sizeof(msg_buf
[0]),
520 _("Subpartitions further divide a primary partition for "
521 "use with %s. Some reasons you may want "
522 "a set of subpartitions are:\n\n"
523 "- you want to restrict how much data can be written "
524 "to certain parts of the primary partition, to quell "
525 "denial-of-service attacks; and\n"
526 "- you want to speed up access to data on the disk."
527 ""), OPERATING_SYSTEM_NAME
);
529 f
= dfui_form_create(
530 "create_subpartitions",
531 _("Create Subpartitions"),
532 _("Set up the subpartitions (also known as just `partitions' "
533 "in BSD tradition) you want to have on this primary "
534 "partition. In most cases you should be fine with "
535 "the default settings.\n\n"
536 "For Capacity, use 'M' to indicate megabytes, 'G' to "
537 "indicate gigabytes, or a single '*' to indicate "
538 "'use the remaining space on the primary partition'."),
542 "p", "special", "dfinstaller_create_subpartitions",
543 "p", "minimum_width","64",
545 "f", "mountpoint", _("Mountpoint"), "", "",
546 "f", "capacity", _("Capacity"), "", "",
548 "a", "ok", _("Accept and Create"), "", "",
550 (disk_get_formatted(storage_get_selected_disk(a
->s
)) ?
551 _("Return to Select Disk") :
552 _("Return to Select Primary Partition")), "", "",
553 "p", "accelerator", "ESC",
558 dfui_form_set_multiple(f
, 1);
559 dfui_form_set_extensible(f
, 1);
561 * Remove ATM until HAMMER installer support is better
562 * dfui_form_set_extensible(f, 1);
566 fi
= dfui_form_field_add(f
, "softupdates",
567 dfui_info_new(_("Softupdates"), "", ""));
568 dfui_field_property_set(fi
, "control", "checkbox");
570 fi
= dfui_form_field_add(f
, "mfsbacked",
571 dfui_info_new(_("MFS"), "", ""));
572 dfui_field_property_set(fi
, "control", "checkbox");
574 fi
= dfui_form_field_add(f
, "fsize",
575 dfui_info_new(_("Frag Sz"), "", ""));
577 fi
= dfui_form_field_add(f
, "bsize",
578 dfui_info_new(_("Block Sz"), "", ""));
580 dfui_form_action_add(f
, "switch",
581 dfui_info_new(_("Switch to Normal Mode"), "", ""));
583 dfui_form_action_add(f
, "switch",
584 dfui_info_new(_("Switch to Expert Mode"), "", ""));
592 * -1 = the form should be redisplayed
593 * 0 = failure, function is over
594 * 1 = success, function is over
597 show_create_subpartitions_form(struct dfui_form
*f
, struct i_fn_args
*a
)
599 struct dfui_dataset
*ds
;
600 struct dfui_response
*r
;
603 if (dfui_form_dataset_get_first(f
) == NULL
)
604 populate_create_subpartitions_form(f
, a
);
606 if (!dfui_be_present(a
->c
, f
, &r
))
609 if (strcmp(dfui_response_get_action_id(r
), "cancel") == 0) {
610 dfui_response_free(r
);
612 } else if (strcmp(dfui_response_get_action_id(r
), "switch") == 0) {
613 if (check_subpartition_selections(r
, a
)) {
614 save_subpartition_selections(r
, a
);
615 expert
= expert
? 0 : 1;
616 dfui_response_free(r
);
620 if (check_subpartition_selections(r
, a
)) {
621 save_subpartition_selections(r
, a
);
622 if (!warn_subpartition_selections(a
)) {
623 if (!create_subpartitions(a
)) {
624 inform(a
->c
, _("The subpartitions you chose were "
625 "not correctly created, and the "
626 "primary partition may "
627 "now be in an inconsistent state. "
628 "We recommend re-formatting it "
629 "before proceeding."));
630 dfui_response_free(r
);
633 dfui_response_free(r
);
640 dfui_form_datasets_free(f
);
641 /* dfui_form_datasets_add_from_response(f, r); */
642 for (ds
= dfui_response_dataset_get_first(r
); ds
!= NULL
;
643 ds
= dfui_dataset_get_next(ds
)) {
644 dfui_form_dataset_add(f
, dfui_dataset_dup(ds
));
650 * fn_create_subpartitions_hammer: let the user specify what subpartitions they
651 * want on the disk, how large each should be, and where it should be mounted.
654 fn_create_subpartitions_hammer(struct i_fn_args
*a
)
661 f
= make_create_subpartitions_form(a
);
662 switch (show_create_subpartitions_form(f
, a
)) {