installer: Raise the absolute minimum disk size to 2GB.
[dragonfly.git] / usr.sbin / installer / dfuibe_installer / fn_subpart_ufs.c
CommitLineData
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1/*
2 * Copyright (c)2004 The DragonFly Project. All rights reserved.
21c1c48a 3 *
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4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
21c1c48a 7 *
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8 * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
21c1c48a 10 *
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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.
21c1c48a 15 *
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16 * Neither the name of the DragonFly Project nor the names of its
17 * contributors may be used to endorse or promote products derived
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18 * from this software without specific prior written permission.
19 *
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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
21c1c48a 31 * OF THE POSSIBILITY OF SUCH DAMAGE.
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32 */
33
34/*
35 * fn_subpart.c
36 * Installer Function : Create Subpartitions.
37 * $Id: fn_subpart.c,v 1.50 2005/04/07 20:22:40 cpressey Exp $
38 */
39
40#include <stdio.h>
41#include <stdlib.h>
42#include <string.h>
43
44#ifdef ENABLE_NLS
45#include <libintl.h>
46#define _(String) gettext (String)
47#else
48#define _(String) (String)
49#endif
50
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51#include "libaura/mem.h"
52#include "libaura/buffer.h"
53#include "libaura/dict.h"
54#include "libaura/fspred.h"
337ad0df 55
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56#include "libdfui/dfui.h"
57#include "libdfui/dump.h"
58#include "libdfui/system.h"
337ad0df 59
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60#include "libinstaller/commands.h"
61#include "libinstaller/diskutil.h"
62#include "libinstaller/functions.h"
63#include "libinstaller/uiutil.h"
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64
65#include "fn.h"
66#include "flow.h"
67#include "pathnames.h"
68
69static int create_subpartitions(struct i_fn_args *);
70static long default_capacity(struct storage *, int);
71static int check_capacity(struct i_fn_args *);
72static int check_subpartition_selections(struct dfui_response *, struct i_fn_args *);
73static void save_subpartition_selections(struct dfui_response *, struct i_fn_args *);
74static void populate_create_subpartitions_form(struct dfui_form *, struct i_fn_args *);
75static int warn_subpartition_selections(struct i_fn_args *);
76static struct dfui_form *make_create_subpartitions_form(struct i_fn_args *);
77static int show_create_subpartitions_form(struct dfui_form *, struct i_fn_args *);
78
6cd7259e 79static const char *def_mountpt[] = {"/", "swap", "/var", "/tmp", "/usr", "/home", NULL};
971d1cca 80static int expert = 0;
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81
82/*
83 * Given a set of subpartitions-to-be in the selected slice,
84 * create them.
85 */
86static int
87create_subpartitions(struct i_fn_args *a)
88{
89 struct subpartition *sp;
90 struct commands *cmds;
91 int result = 0;
92 int copied_original = 0;
93 int num_partitions;
94
95 cmds = commands_new();
96 if (!is_file("%sinstall.disklabel.%s",
97 a->tmp,
98 slice_get_device_name(storage_get_selected_slice(a->s)))) {
99 /*
100 * Get a copy of the 'virgin' disklabel.
101 * XXX It might make more sense for this to
102 * happen right after format_slice() instead.
103 */
104 command_add(cmds, "%s%s -r %s >%sinstall.disklabel.%s",
105 a->os_root, cmd_name(a, "DISKLABEL"),
106 slice_get_device_name(storage_get_selected_slice(a->s)),
107 a->tmp,
108 slice_get_device_name(storage_get_selected_slice(a->s)));
109 }
110
111 /*
112 * Weave together a new disklabel out the of the 'virgin'
113 * disklabel, and the user's subpartition choices.
114 */
115
116 /*
117 * Take everything from the 'virgin' disklabel up until the
b5ca2d7f 118 * '16 partitions' line.
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119 */
120 num_partitions = 16;
121 command_add(cmds, "%s%s '$2==\"partitions:\" || cut { cut = 1 } !cut { print $0 }' <%sinstall.disklabel.%s >%sinstall.disklabel",
122 a->os_root, cmd_name(a, "AWK"),
123 a->tmp,
124 slice_get_device_name(storage_get_selected_slice(a->s)),
125 a->tmp);
126
127 /*
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128 * 16 partitions:
129 * # size offset fstype
130 * c: 16383969 0 unused # 7999.985MB
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131 */
132
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133 command_add(cmds, "%s%s '%d partitions:' >>%sinstall.disklabel",
134 a->os_root, cmd_name(a, "ECHO"), num_partitions ,a->tmp);
135 command_add(cmds, "%s%s '%s' >>%sinstall.disklabel",
136 a->os_root, cmd_name(a, "ECHO"),
b5ca2d7f 137 "# size offset fstype",
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138 a->tmp);
139
140#ifdef DEBUG
141 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
142 sp != NULL; sp = subpartition_next(sp)) {
143 command_add(cmds, "%s%s 'mountpoint: %s device: %s'",
144 a->os_root, cmd_name(a, "ECHO"),
145 subpartition_get_mountpoint(sp),
146 subpartition_get_device_name(sp));
147 }
148#endif
149
150 /*
151 * Write a line for each subpartition the user wants.
152 */
153 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
154 sp != NULL; sp = subpartition_next(sp)) {
155 if (subpartition_is_mfsbacked(sp)) {
156 continue;
157 }
158 if (subpartition_get_letter(sp) > 'c' && !copied_original) {
159 /*
160 * Copy the 'c' line from the 'virgin' disklabel.
161 */
162 command_add(cmds, "%s%s '^ c:' %sinstall.disklabel.%s >>%sinstall.disklabel",
163 a->os_root, cmd_name(a, "GREP"),
164 a->tmp,
165 slice_get_device_name(storage_get_selected_slice(a->s)),
166 a->tmp);
167 copied_original = 1;
168 }
169 if (subpartition_is_swap(sp)) {
170 command_add(cmds, "%s%s ' %c:\t%s\t*\tswap' >>%sinstall.disklabel",
171 a->os_root, cmd_name(a, "ECHO"),
172 subpartition_get_letter(sp),
173 capacity_to_string(subpartition_get_capacity(sp)),
174 a->tmp);
175 } else {
b5ca2d7f 176 command_add(cmds, "%s%s ' %c:\t%s\t%s\t4.2BSD' >>%sinstall.disklabel",
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177 a->os_root, cmd_name(a, "ECHO"),
178 subpartition_get_letter(sp),
179 capacity_to_string(subpartition_get_capacity(sp)),
180 subpartition_get_letter(sp) == 'a' ? "0" : "*",
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181 a->tmp);
182 }
183 }
184 if (!copied_original) {
185 /*
186 * Copy the 'c' line from the 'virgin' disklabel,
187 * if we haven't yet (less than 2 subpartitions.)
188 */
189 command_add(cmds, "%s%s '^ c:' %sinstall.disklabel.%s >>%sinstall.disklabel",
190 a->os_root, cmd_name(a, "GREP"),
191 a->tmp,
192 slice_get_device_name(storage_get_selected_slice(a->s)),
193 a->tmp);
194 }
195 temp_file_add(a, "install.disklabel");
196
197 /*
198 * Label the slice from the disklabel we just wove together.
199 */
200 command_add(cmds, "%s%s -R -B -r %s %sinstall.disklabel",
201 a->os_root, cmd_name(a, "DISKLABEL"),
202 slice_get_device_name(storage_get_selected_slice(a->s)),
203 a->tmp);
204
205 /*
206 * Create a snapshot of the disklabel we just created
207 * for debugging inspection in the log.
208 */
209 command_add(cmds, "%s%s %s",
210 a->os_root, cmd_name(a, "DISKLABEL"),
211 slice_get_device_name(storage_get_selected_slice(a->s)));
212
213 /*
214 * Create filesystems on the newly-created subpartitions.
215 */
216 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
217 sp != NULL; sp = subpartition_next(sp)) {
218 if (subpartition_is_swap(sp) || subpartition_is_mfsbacked(sp))
219 continue;
220
221 /*
222 * Ensure that all the needed device nodes exist.
223 */
224 command_add_ensure_dev(a, cmds,
225 disk_get_device_name(storage_get_selected_disk(a->s)));
226 command_add_ensure_dev(a, cmds,
227 slice_get_device_name(storage_get_selected_slice(a->s)));
228 command_add_ensure_dev(a, cmds,
229 subpartition_get_device_name(sp));
230
b5ca2d7f 231 command_add(cmds, "%s%s%s -b %ld -f %ld %sdev/%s",
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232 a->os_root, cmd_name(a, "NEWFS"),
233 subpartition_is_softupdated(sp) ? " -U" : "",
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234 subpartition_get_bsize(sp),
235 subpartition_get_fsize(sp),
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236 a->os_root,
237 subpartition_get_device_name(sp));
238 }
239
240 result = commands_execute(a, cmds);
241 commands_free(cmds);
242 return(result);
243}
244
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245static long
246default_capacity(struct storage *s, int mtpt)
247{
248 unsigned long swap;
249 unsigned long capacity;
6cd7259e 250 unsigned long mem;
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251
252 if (mtpt == MTPT_HOME)
253 return(-1);
254
255 capacity = slice_get_capacity(storage_get_selected_slice(s));
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256 mem = storage_get_memsize(s);
257 swap = 2 * mem;
258 if (mem > (capacity / 2) || capacity < 4096)
259 swap = mem;
260 if (mem > capacity)
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261 swap = capacity / 2;
262 if (swap > 8192)
263 swap = 8192;
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264
265 if (capacity < DISK_MIN) {
266 /*
267 * For the purposes of this installer:
268 * can't be done. Sorry.
269 */
270 return(-1);
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271 } else if (capacity < 4096) {
272 switch (mtpt) {
6cd7259e 273 case MTPT_ROOT: return(256);
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274 case MTPT_SWAP: return(swap);
275 case MTPT_VAR: return(128);
276 case MTPT_TMP: return(128);
6cd7259e 277 case MTPT_USR: return(1536);
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278 }
279 } else if (capacity < 10240) {
280 switch (mtpt) {
281 case MTPT_ROOT: return(256);
282 case MTPT_SWAP: return(swap);
283 case MTPT_VAR: return(256);
284 case MTPT_TMP: return(256);
285 case MTPT_USR: return(3072);
286 }
287 } else {
288 switch (mtpt) {
289 case MTPT_ROOT: return(256);
290 case MTPT_SWAP: return(swap);
291 case MTPT_VAR: return(256);
292 case MTPT_TMP: return(256);
293 case MTPT_USR: return(8192);
294 }
295 }
296 /* shouldn't ever happen */
297 return(-1);
298}
299
300static int
301check_capacity(struct i_fn_args *a)
302{
28b0b759 303 struct subpartition *sp;
6cd7259e 304 unsigned long min_capacity[] = {256, 0, 16, 0, 1536, 0, 0};
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305 unsigned long total_capacity = 0;
306 int mtpt;
21c1c48a 307
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308 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL)
309 min_capacity[MTPT_ROOT] += min_capacity[MTPT_USR];
310
311 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
312 sp != NULL; sp = subpartition_next(sp)) {
471c08bb 313 if (subpartition_get_capacity(sp) == -1)
28b0b759 314 total_capacity++;
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315 else
316 total_capacity += subpartition_get_capacity(sp);
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317 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) {
318 if (strcmp(subpartition_get_mountpoint(sp), def_mountpt[mtpt]) == 0 &&
319 min_capacity[mtpt] > 0 &&
320 subpartition_get_capacity(sp) < min_capacity[mtpt]) {
321 inform(a->c, _("WARNING: the %s subpartition should "
322 "be at least %dM in size or you will "
323 "risk running out of space during "
324 "the installation."),
325 subpartition_get_mountpoint(sp), min_capacity[mtpt]);
326 }
327 }
328 }
329
330 if (total_capacity > slice_get_capacity(storage_get_selected_slice(a->s))) {
331 inform(a->c, _("The space allocated to all of your selected "
332 "subpartitions (%dM) exceeds the total "
333 "capacity of the selected primary partition "
334 "(%dM). Remove some subpartitions or choose "
335 "a smaller size for them and try again."),
336 total_capacity, slice_get_capacity(storage_get_selected_slice(a->s)));
337 return(0);
338 }
339
340 return(1);
341}
342
343static int
344check_subpartition_selections(struct dfui_response *r, struct i_fn_args *a)
345{
346 struct dfui_dataset *ds;
347 struct dfui_dataset *star_ds = NULL;
348 struct aura_dict *d;
349 const char *mountpoint, *capstring;
350 long capacity = 0;
351 long bsize, fsize;
352 int found_root = 0;
353 int softupdates, mfsbacked;
354 int valid = 1;
355
356 d = aura_dict_new(1, AURA_DICT_LIST);
357
358 if ((ds = dfui_response_dataset_get_first(r)) == NULL) {
359 inform(a->c, _("Please set up at least one subpartition."));
360 valid = 0;
361 }
362
363 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL;
364 ds = dfui_dataset_get_next(ds)) {
365#ifdef DEBUG
366 dfui_dataset_dump(ds);
367#endif
368 mountpoint = dfui_dataset_get_value(ds, "mountpoint");
369 capstring = dfui_dataset_get_value(ds, "capacity");
370
371 if (expert) {
372 softupdates =
373 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0);
374 fsize = atol(dfui_dataset_get_value(ds, "fsize"));
375 bsize = atol(dfui_dataset_get_value(ds, "bsize"));
376 mfsbacked = (strcmp(dfui_dataset_get_value(ds, "mfsbacked"), "Y") == 0);
377 } else {
378 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1);
379 mfsbacked = (strcmp(mountpoint, "/tmp") == 0 ? 0 : 1);
380 fsize = -1;
381 bsize = -1;
382 }
383
384 if (aura_dict_exists(d, mountpoint, strlen(mountpoint) + 1)) {
385 inform(a->c, _("The same mount point cannot be specified "
386 "for two different subpartitions."));
387 valid = 0;
388 }
389
390 if (strcmp(mountpoint, "/") == 0)
391 found_root = 1;
392
393 if (strcmp(capstring, "*") == 0) {
394 if (star_ds != NULL) {
395 inform(a->c, _("You cannot have more than one subpartition "
396 "with a '*' capacity (meaning 'use the remainder "
397 "of the primary partition'.)"));
398 valid = 0;
399 } else {
400 star_ds = ds;
401 }
402 }
21c1c48a 403
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404 if (!(!strcasecmp(mountpoint, "swap") || mountpoint[0] == '/')) {
405 inform(a->c, _("Mount point must be either 'swap', or it must "
406 "start with a '/'."));
407 valid = 0;
408 }
409
410 if (strpbrk(mountpoint, " \\\"'`") != NULL) {
411 inform(a->c, _("Mount point may not contain the following "
412 "characters: blank space, backslash, or "
413 "single, double, or back quotes."));
414 valid = 0;
415 }
21c1c48a 416
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417 if (strlen(capstring) == 0) {
418 inform(a->c, _("A capacity must be specified."));
419 valid = 0;
420 }
421
422 if (!string_to_capacity(capstring, &capacity)) {
423 inform(a->c, _("Capacity must be either a '*' symbol to indicate "
424 "'use the rest of the primary partition', or it "
425 "must be a series of decimal digits ending with a "
426 "'M' (indicating megabytes) or a 'G' (indicating "
427 "gigabytes.)"));
428 valid = 0;
429 }
430
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431 if ((strcasecmp(mountpoint, "swap") == 0) && (capacity > 8192)) {
432 inform(a->c, _("Swap capacity is limited to 8G."));
433 valid = 0;
434 }
435
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436 /*
437 * If we made it through that obstacle course, all is well.
438 */
439
440 if (valid)
441 aura_dict_store(d, mountpoint, strlen(mountpoint) + 1, "", 1);
442 }
443
444 if (!found_root) {
445 inform(a->c, _("You must include a / (root) subpartition."));
446 valid = 0;
447 }
448
449 if (aura_dict_size(d) > 16) {
450 inform(a->c, _("You cannot have more than 16 subpartitions "
451 "on a single primary partition. Remove some "
452 "and try again."));
453 valid = 0;
454 }
455
456 aura_dict_free(d);
457
458 return(valid);
459}
460
461static void
462save_subpartition_selections(struct dfui_response *r, struct i_fn_args *a)
463{
464 struct dfui_dataset *ds;
465 char mfsbacked;
466 const char *mountpoint, *capstring;
467 long capacity;
468 long bsize, fsize;
469 int softupdates;
470 int valid = 1;
471
472 subpartitions_free(storage_get_selected_slice(a->s));
473
474 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL;
475 ds = dfui_dataset_get_next(ds)) {
476 mountpoint = dfui_dataset_get_value(ds, "mountpoint");
477 capstring = dfui_dataset_get_value(ds, "capacity");
478
479 if (expert) {
480 softupdates =
481 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0);
482 fsize = atol(dfui_dataset_get_value(ds, "fsize"));
483 bsize = atol(dfui_dataset_get_value(ds, "bsize"));
7a8881e0 484 mfsbacked = (strcmp(dfui_dataset_get_value(ds, "mfsbacked"), "Y") == 0);
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485 } else {
486 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1);
487 mfsbacked = 0;
488 fsize = -1;
489 bsize = -1;
490 }
491
492 if (string_to_capacity(capstring, &capacity)) {
493 subpartition_new(storage_get_selected_slice(a->s), mountpoint, capacity,
494 softupdates, fsize, bsize, mfsbacked);
495 }
496 }
497}
498
499static void
500populate_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a)
501{
502 struct subpartition *sp;
503 struct dfui_dataset *ds;
504 char temp[32];
505 int mtpt;
506 long capacity;
507
508 if (slice_subpartition_first(storage_get_selected_slice(a->s)) != NULL) {
509 /*
510 * The user has already given us their subpartition
511 * preferences, so use them here.
512 */
513 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s));
514 sp != NULL; sp = subpartition_next(sp)) {
515 ds = dfui_dataset_new();
516 dfui_dataset_celldata_add(ds, "mountpoint",
517 subpartition_get_mountpoint(sp));
518 dfui_dataset_celldata_add(ds, "capacity",
519 capacity_to_string(subpartition_get_capacity(sp)));
520 if (expert) {
521 dfui_dataset_celldata_add(ds, "softupdates",
522 subpartition_is_softupdated(sp) ? "Y" : "N");
523 dfui_dataset_celldata_add(ds, "mfsbacked",
524 subpartition_is_mfsbacked(sp) ? "Y" : "N");
525 snprintf(temp, 32, "%ld", subpartition_get_fsize(sp));
526 dfui_dataset_celldata_add(ds, "fsize",
527 temp);
528 snprintf(temp, 32, "%ld", subpartition_get_bsize(sp));
529 dfui_dataset_celldata_add(ds, "bsize",
530 temp);
531 }
532 dfui_form_dataset_add(f, ds);
533 }
534 } else {
535 /*
536 * Otherwise, populate the form with datasets representing
537 * reasonably-calculated defaults. The defaults are chosen
538 * based on the slice's total capacity and the machine's
539 * total physical memory (for swap.)
540 */
541 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) {
542 capacity = default_capacity(a->s, mtpt);
543 ds = dfui_dataset_new();
544 dfui_dataset_celldata_add(ds, "mountpoint",
545 def_mountpt[mtpt]);
546 dfui_dataset_celldata_add(ds, "capacity",
547 capacity_to_string(capacity));
548 if (expert) {
549 dfui_dataset_celldata_add(ds, "softupdates",
550 strcmp(def_mountpt[mtpt], "/") != 0 ? "Y" : "N");
551 dfui_dataset_celldata_add(ds, "mfsbacked",
552 "N");
553 dfui_dataset_celldata_add(ds, "fsize",
554 capacity < 1024 ? "1024" : "2048");
555 dfui_dataset_celldata_add(ds, "bsize",
556 capacity < 1024 ? "8192" : "16384");
557 }
558 dfui_form_dataset_add(f, ds);
559 }
560 }
561}
562
563static int
564warn_subpartition_selections(struct i_fn_args *a)
565{
566 int valid = 0;
567 struct aura_buffer *omit, *consequences;
568
569 omit = aura_buffer_new(2048);
570 consequences = aura_buffer_new(2048);
571
572 valid = check_capacity(a);
573 if (subpartition_find(storage_get_selected_slice(a->s), "/var") == NULL) {
574 aura_buffer_cat(omit, "/var ");
575 aura_buffer_cat(consequences, _("/var will be a plain dir in /\n"));
576 }
577 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) {
578 aura_buffer_cat(omit, "/usr ");
579 aura_buffer_cat(consequences, _("/usr will be a plain dir in /\n"));
580 }
581 if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL) {
582 aura_buffer_cat(omit, "/tmp ");
583 aura_buffer_cat(consequences, _("/tmp will be symlinked to /var/tmp\n"));
584 }
585 if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL) {
586 aura_buffer_cat(omit, "/home ");
587 aura_buffer_cat(consequences, _("/home will be symlinked to /usr/home\n"));
588 }
589
590 if (valid && aura_buffer_len(omit) > 0) {
591 switch (dfui_be_present_dialog(a->c, _("Really omit?"),
592 _("Omit Subpartition(s)|Return to Create Subpartitions"),
593 _("You have elected to not have the following "
594 "subpartition(s):\n\n%s\n\n"
595 "The ramifications of these subpartition(s) being "
596 "missing will be:\n\n%s\n"
597 "Is this really what you want to do?"),
598 aura_buffer_buf(omit), aura_buffer_buf(consequences))) {
599 case 1:
600 valid = 1;
601 break;
602 case 2:
603 valid = 0;
604 break;
605 default:
606 abort_backend();
607 }
608 }
609
610 aura_buffer_free(omit);
611 aura_buffer_free(consequences);
612
613 return(!valid);
614}
615
616static struct dfui_form *
617make_create_subpartitions_form(struct i_fn_args *a)
618{
619 struct dfui_field *fi;
620 struct dfui_form *f;
621 char msg_buf[1][1024];
622
623 snprintf(msg_buf[0], sizeof(msg_buf[0]),
624 _("Subpartitions further divide a primary partition for "
625 "use with %s. Some reasons you may want "
626 "a set of subpartitions are:\n\n"
627 "- you want to restrict how much data can be written "
628 "to certain parts of the primary partition, to quell "
629 "denial-of-service attacks; and\n"
630 "- you want to speed up access to data on the disk."
631 ""), OPERATING_SYSTEM_NAME);
632
633 f = dfui_form_create(
634 "create_subpartitions",
635 _("Create Subpartitions"),
636 _("Set up the subpartitions (also known as just `partitions' "
637 "in BSD tradition) you want to have on this primary "
638 "partition.\n\n"
639 "For Capacity, use 'M' to indicate megabytes, 'G' to "
640 "indicate gigabytes, or a single '*' to indicate "
641 "'use the remaining space on the primary partition'."),
642
643 msg_buf[0],
644
645 "p", "special", "dfinstaller_create_subpartitions",
646 "p", "minimum_width","64",
647
648 "f", "mountpoint", _("Mountpoint"), "", "",
649 "f", "capacity", _("Capacity"), "", "",
650
651 "a", "ok", _("Accept and Create"), "", "",
21c1c48a 652 "a", "cancel",
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653 (disk_get_formatted(storage_get_selected_disk(a->s)) ?
654 _("Return to Select Disk") :
655 _("Return to Select Primary Partition")), "", "",
656 "p", "accelerator", "ESC",
657
658 NULL
659 );
660
661 dfui_form_set_multiple(f, 1);
662 dfui_form_set_extensible(f, 1);
663
664 if (expert) {
665 fi = dfui_form_field_add(f, "softupdates",
666 dfui_info_new(_("Softupdates"), "", ""));
667 dfui_field_property_set(fi, "control", "checkbox");
668
669 fi = dfui_form_field_add(f, "mfsbacked",
670 dfui_info_new(_("MFS"), "", ""));
671 dfui_field_property_set(fi, "control", "checkbox");
672
673 fi = dfui_form_field_add(f, "fsize",
674 dfui_info_new(_("Frag Sz"), "", ""));
675
676 fi = dfui_form_field_add(f, "bsize",
677 dfui_info_new(_("Block Sz"), "", ""));
678
679 dfui_form_action_add(f, "switch",
680 dfui_info_new(_("Switch to Normal Mode"), "", ""));
681 } else {
682 dfui_form_action_add(f, "switch",
683 dfui_info_new(_("Switch to Expert Mode"), "", ""));
684 }
685
686 return(f);
687}
688
689/*
690 * Returns:
691 * -1 = the form should be redisplayed
692 * 0 = failure, function is over
693 * 1 = success, function is over
694 */
695static int
696show_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a)
697{
698 struct dfui_dataset *ds;
699 struct dfui_response *r;
700
701 for (;;) {
702 if (dfui_form_dataset_get_first(f) == NULL)
703 populate_create_subpartitions_form(f, a);
704
705 if (!dfui_be_present(a->c, f, &r))
706 abort_backend();
21c1c48a 707
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708 if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) {
709 dfui_response_free(r);
710 return(0);
711 } else if (strcmp(dfui_response_get_action_id(r), "switch") == 0) {
712 if (check_subpartition_selections(r, a)) {
713 save_subpartition_selections(r, a);
714 expert = expert ? 0 : 1;
715 dfui_response_free(r);
716 return(-1);
717 }
718 } else {
719 if (check_subpartition_selections(r, a)) {
720 save_subpartition_selections(r, a);
721 if (!warn_subpartition_selections(a)) {
722 if (!create_subpartitions(a)) {
723 inform(a->c, _("The subpartitions you chose were "
724 "not correctly created, and the "
725 "primary partition may "
726 "now be in an inconsistent state. "
727 "We recommend re-formatting it "
728 "before proceeding."));
729 dfui_response_free(r);
730 return(0);
731 } else {
732 dfui_response_free(r);
733 return(1);
734 }
735 }
736 }
737 }
21c1c48a 738
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739 dfui_form_datasets_free(f);
740 /* dfui_form_datasets_add_from_response(f, r); */
741 for (ds = dfui_response_dataset_get_first(r); ds != NULL;
742 ds = dfui_dataset_get_next(ds)) {
743 dfui_form_dataset_add(f, dfui_dataset_dup(ds));
744 }
745 }
746}
747
748/*
749 * fn_create_subpartitions: let the user specify what subpartitions they
750 * want on the disk, how large each should be, and where it should be mounted.
751 */
752void
753fn_create_subpartitions(struct i_fn_args *a)
754{
971d1cca
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755 struct commands *cmds;
756
757 cmds = commands_new();
758
759 /*
760 * Auto-disklabel the slice.
761 * NB: one cannot use "/dev/adXsY" here -
762 * it must be in the form "adXsY".
763 */
764 if (use_hammer == 1) {
8e219cc8 765 command_add(cmds, "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
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766 a->os_root, cmd_name(a, "DD"),
767 slice_get_raw_device_name(storage_get_selected_slice(a->s)));
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768 command_add(cmds, "%s%s -B -r -w %s auto",
769 a->os_root, cmd_name(a, "DISKLABEL64"),
770 slice_get_raw_device_name(storage_get_selected_slice(a->s)));
771 commands_execute(a, cmds);
772 commands_free(cmds);
773 fn_create_subpartitions_hammer(a);
774 } else {
8e219cc8 775 command_add(cmds, "%s%s if=/dev/zero of=/dev/%s bs=32k count=16",
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776 a->os_root, cmd_name(a, "DD"),
777 slice_get_raw_device_name(storage_get_selected_slice(a->s)));
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778 command_add(cmds, "%s%s -B -r -w %s auto",
779 a->os_root, cmd_name(a, "DISKLABEL"),
780 slice_get_raw_device_name(storage_get_selected_slice(a->s)));
781 commands_execute(a, cmds);
782 commands_free(cmds);
783 fn_create_subpartitions_ufs(a);
784 }
785}
786
787void
788fn_create_subpartitions_ufs(struct i_fn_args *a)
789{
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790 struct dfui_form *f;
791 int done = 0;
792
793 a->result = 0;
794 while (!done) {
795 f = make_create_subpartitions_form(a);
796 switch (show_create_subpartitions_form(f, a)) {
797 case -1:
798 done = 0;
799 break;
800 case 0:
801 done = 1;
802 a->result = 0;
803 break;
804 case 1:
805 done = 1;
806 a->result = 1;
807 break;
808 }
809 dfui_form_free(f);
810 }
811}