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_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 51 #include "libaura/mem.h" 52 #include "libaura/buffer.h" 53 #include "libaura/dict.h" 54 #include "libaura/fspred.h" 55 56 #include "libdfui/dfui.h" 57 #include "libdfui/dump.h" 58 #include "libdfui/system.h" 59 60 #include "libinstaller/commands.h" 61 #include "libinstaller/diskutil.h" 62 #include "libinstaller/functions.h" 63 #include "libinstaller/uiutil.h" 64 65 #include "fn.h" 66 #include "flow.h" 67 #include "pathnames.h" 68 69 static int create_subpartitions(struct i_fn_args *); 70 static long default_capacity(struct storage *, int); 71 static int check_capacity(struct i_fn_args *); 72 static int check_subpartition_selections(struct dfui_response *, struct i_fn_args *); 73 static void save_subpartition_selections(struct dfui_response *, struct i_fn_args *); 74 static void populate_create_subpartitions_form(struct dfui_form *, struct i_fn_args *); 75 static int warn_subpartition_selections(struct i_fn_args *); 76 static int warn_encrypted_root(struct i_fn_args *); 77 static struct dfui_form *make_create_subpartitions_form(struct i_fn_args *); 78 static int show_create_subpartitions_form(struct dfui_form *, struct i_fn_args *); 79 80 static const char *def_mountpt[] = {"/", "swap", "/var", "/tmp", "/usr", "/home", NULL}; 81 static int expert = 0; 82 83 /* 84 * Given a set of subpartitions-to-be in the selected slice, 85 * create them. 86 */ 87 static int 88 create_subpartitions(struct i_fn_args *a) 89 { 90 struct subpartition *sp; 91 struct commands *cmds; 92 int result = 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, "DISKLABEL64"), 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 118 * '16 partitions' line. 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 /* 128 * 16 partitions: 129 * # size offset fstype 130 * c: 16383969 0 unused # 7999.985MB 131 */ 132 133 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"), 137 "# size offset fstype", 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_tmpfsbacked(sp)) { 156 continue; 157 } 158 if (subpartition_is_swap(sp)) { 159 command_add(cmds, "%s%s ' %c:\t%s\t*\tswap' >>%sinstall.disklabel", 160 a->os_root, cmd_name(a, "ECHO"), 161 subpartition_get_letter(sp), 162 capacity_to_string(subpartition_get_capacity(sp)), 163 a->tmp); 164 } else { 165 command_add(cmds, "%s%s ' %c:\t%s\t%s\t4.2BSD' >>%sinstall.disklabel", 166 a->os_root, cmd_name(a, "ECHO"), 167 subpartition_get_letter(sp), 168 capacity_to_string(subpartition_get_capacity(sp)), 169 subpartition_get_letter(sp) == 'a' ? "0" : "*", 170 a->tmp); 171 } 172 } 173 temp_file_add(a, "install.disklabel"); 174 175 /* 176 * Label the slice from the disklabel we just wove together. 177 */ 178 command_add(cmds, "%s%s -R -B -r %s %sinstall.disklabel", 179 a->os_root, cmd_name(a, "DISKLABEL64"), 180 slice_get_device_name(storage_get_selected_slice(a->s)), 181 a->tmp); 182 183 /* 184 * Create a snapshot of the disklabel we just created 185 * for debugging inspection in the log. 186 */ 187 command_add(cmds, "%s%s %s", 188 a->os_root, cmd_name(a, "DISKLABEL64"), 189 slice_get_device_name(storage_get_selected_slice(a->s))); 190 191 /* 192 * If encryption was specified, load dm(4). 193 */ 194 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 195 sp != NULL; sp = subpartition_next(sp)) { 196 if (subpartition_is_encrypted(sp)) { 197 fn_get_passphrase(a); 198 break; 199 } 200 } 201 202 /* 203 * Create filesystems on the newly-created subpartitions. 204 */ 205 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 206 sp != NULL; sp = subpartition_next(sp)) { 207 if (subpartition_is_swap(sp) || subpartition_is_tmpfsbacked(sp)) { 208 if (subpartition_is_swap(sp) && 209 subpartition_is_encrypted(sp)) { 210 command_add(cmds, 211 "%s%s -d /tmp/t1 luksFormat /dev/%s", 212 a->os_root, cmd_name(a, "CRYPTSETUP"), 213 subpartition_get_device_name(sp)); 214 command_add(cmds, 215 "%s%s -d /tmp/t1 luksOpen /dev/%s swap", 216 a->os_root, cmd_name(a, "CRYPTSETUP"), 217 subpartition_get_device_name(sp)); 218 } 219 continue; 220 } 221 222 if (subpartition_is_encrypted(sp) && 223 strcmp(subpartition_get_mountpoint(sp), "/") != 0) { 224 command_add(cmds, 225 "%s%s -d /tmp/t1 luksFormat /dev/%s", 226 a->os_root, cmd_name(a, "CRYPTSETUP"), 227 subpartition_get_device_name(sp)); 228 command_add(cmds, 229 "%s%s -d /tmp/t1 luksOpen /dev/%s %s", 230 a->os_root, cmd_name(a, "CRYPTSETUP"), 231 subpartition_get_device_name(sp), 232 subpartition_get_mountpoint(sp) + 1); 233 command_add(cmds, "%s%s%s -b %ld -f %ld /dev/mapper/%s", 234 a->os_root, cmd_name(a, "NEWFS"), 235 subpartition_is_softupdated(sp) ? " -U" : "", 236 subpartition_get_bsize(sp), 237 subpartition_get_fsize(sp), 238 subpartition_get_mountpoint(sp) + 1); 239 } else { 240 command_add(cmds, "%s%s%s -b %ld -f %ld /dev/%s", 241 a->os_root, cmd_name(a, "NEWFS"), 242 subpartition_is_softupdated(sp) ? " -U" : "", 243 subpartition_get_bsize(sp), 244 subpartition_get_fsize(sp), 245 subpartition_get_device_name(sp)); 246 } 247 } 248 249 result = commands_execute(a, cmds); 250 commands_free(cmds); 251 return(result); 252 } 253 254 static long 255 default_capacity(struct storage *s, int mtpt) 256 { 257 unsigned long swap; 258 unsigned long capacity; 259 unsigned long mem; 260 261 if (mtpt == MTPT_HOME) 262 return(-1); 263 264 capacity = slice_get_capacity(storage_get_selected_slice(s)); 265 mem = storage_get_memsize(s); 266 swap = 2 * mem; 267 if (mem > (capacity / 2) || capacity < 4096) 268 swap = mem; 269 if (mem > capacity) 270 swap = capacity / 2; 271 if (swap > SWAP_MAX) 272 swap = SWAP_MAX; 273 274 if (capacity < DISK_MIN) { 275 /* 276 * For the purposes of this installer: 277 * can't be done. Sorry. 278 */ 279 return(-1); 280 } else if (capacity < 4096) { 281 switch (mtpt) { 282 case MTPT_ROOT: return(320); 283 case MTPT_SWAP: return(swap); 284 case MTPT_VAR: return(128); 285 case MTPT_TMP: return(128); 286 case MTPT_USR: return(1472); 287 } 288 } else if (capacity < 10240) { 289 switch (mtpt) { 290 case MTPT_ROOT: return(640); 291 case MTPT_SWAP: return(swap); 292 case MTPT_VAR: return(256); 293 case MTPT_TMP: return(256); 294 case MTPT_USR: return(2688); 295 } 296 } else { 297 switch (mtpt) { 298 case MTPT_ROOT: return(768); 299 case MTPT_SWAP: return(swap); 300 case MTPT_VAR: return(256); 301 case MTPT_TMP: return(256); 302 case MTPT_USR: return(7680); 303 } 304 } 305 /* shouldn't ever happen */ 306 return(-1); 307 } 308 309 static int 310 check_capacity(struct i_fn_args *a) 311 { 312 struct subpartition *sp; 313 long min_capacity[] = {320, 0, 16, 0, 1472, 0, 0}; 314 unsigned long total_capacity = 0; 315 int mtpt; 316 317 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) 318 min_capacity[MTPT_ROOT] += min_capacity[MTPT_USR]; 319 320 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 321 sp != NULL; sp = subpartition_next(sp)) { 322 long subpart_capacity = subpartition_get_capacity(sp); 323 const char *mountpt = subpartition_get_mountpoint(sp); 324 325 if (subpart_capacity == -1) 326 total_capacity++; 327 else 328 total_capacity += subpart_capacity; 329 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { 330 if (strcmp(mountpt, def_mountpt[mtpt]) == 0 && 331 subpart_capacity < min_capacity[mtpt] && 332 subpart_capacity != -1) { 333 inform(a->c, _("WARNING: The size (%ldM) specified for " 334 "the %s subpartition is too small. It " 335 "should be at least %ldM or you will " 336 "risk running out of space during " 337 "the installation."), 338 subpart_capacity, mountpt, 339 min_capacity[mtpt]); 340 } 341 } 342 } 343 344 if (total_capacity > slice_get_capacity(storage_get_selected_slice(a->s))) { 345 inform(a->c, _("The space allocated to all of your selected " 346 "subpartitions (%luM) exceeds the total " 347 "capacity of the selected primary partition " 348 "(%luM). Remove some subpartitions or choose " 349 "a smaller size for them and try again."), 350 total_capacity, slice_get_capacity(storage_get_selected_slice(a->s))); 351 return(0); 352 } 353 354 return(1); 355 } 356 357 static int 358 check_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) 359 { 360 struct dfui_dataset *ds; 361 struct dfui_dataset *star_ds = NULL; 362 struct aura_dict *d; 363 const char *mountpoint, *capstring; 364 long capacity = 0; 365 int found_root = 0; 366 int valid = 1; 367 368 d = aura_dict_new(1, AURA_DICT_LIST); 369 370 if ((ds = dfui_response_dataset_get_first(r)) == NULL) { 371 inform(a->c, _("Please set up at least one subpartition.")); 372 valid = 0; 373 } 374 375 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; 376 ds = dfui_dataset_get_next(ds)) { 377 #ifdef DEBUG 378 dfui_dataset_dump(ds); 379 #endif 380 mountpoint = dfui_dataset_get_value(ds, "mountpoint"); 381 capstring = dfui_dataset_get_value(ds, "capacity"); 382 383 if (expert) { 384 int tmpfsbacked; 385 386 tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); 387 if (tmpfsbacked && strcmp(mountpoint, "/") == 0) { 388 inform(a->c, _("/ cannot be TMPFS backed.")); 389 valid = 0; 390 } 391 } 392 393 if (aura_dict_exists(d, mountpoint, strlen(mountpoint) + 1)) { 394 inform(a->c, _("The same mount point cannot be specified " 395 "for two different subpartitions.")); 396 valid = 0; 397 } 398 399 if (strcmp(mountpoint, "/") == 0) 400 found_root = 1; 401 402 if (strcmp(capstring, "*") == 0) { 403 if (star_ds != NULL) { 404 inform(a->c, _("You cannot have more than one subpartition " 405 "with a '*' capacity (meaning 'use the remainder " 406 "of the primary partition'.)")); 407 valid = 0; 408 } else { 409 star_ds = ds; 410 } 411 } 412 413 if (!(!strcasecmp(mountpoint, "swap") || mountpoint[0] == '/')) { 414 inform(a->c, _("Mount point must be either 'swap', or it must " 415 "start with a '/'.")); 416 valid = 0; 417 } 418 419 if (strpbrk(mountpoint, " \\\"'`") != NULL) { 420 inform(a->c, _("Mount point may not contain the following " 421 "characters: blank space, backslash, or " 422 "single, double, or back quotes.")); 423 valid = 0; 424 } 425 426 if (strlen(capstring) == 0) { 427 inform(a->c, _("A capacity must be specified.")); 428 valid = 0; 429 } 430 431 if (!string_to_capacity(capstring, &capacity)) { 432 inform(a->c, _("Capacity must be either a '*' symbol " 433 "to indicate 'use the rest of the primary " 434 "partition', or it must be a series of decimal " 435 "digits ending with an 'M' (indicating " 436 "megabytes), a 'G' (indicating gigabytes) and " 437 "so on (up to 'E'.)")); 438 valid = 0; 439 } 440 441 /* 442 * Maybe remove this limit entirely? 443 */ 444 if ((strcasecmp(mountpoint, "swap") == 0) && 445 (capacity > SWAP_MAX)) { 446 inform(a->c, _("Swap capacity is limited to %dG."), 447 SWAP_MAX / 1024); 448 valid = 0; 449 } 450 451 /* 452 * If we made it through that obstacle course, all is well. 453 */ 454 455 if (valid) 456 aura_dict_store(d, mountpoint, strlen(mountpoint) + 1, "", 1); 457 } 458 459 if (!found_root) { 460 inform(a->c, _("You must include a / (root) subpartition.")); 461 valid = 0; 462 } 463 464 if (aura_dict_size(d) > 16) { 465 inform(a->c, _("You cannot have more than 16 subpartitions " 466 "on a single primary partition. Remove some " 467 "and try again.")); 468 valid = 0; 469 } 470 471 aura_dict_free(d); 472 473 return(valid); 474 } 475 476 static void 477 save_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) 478 { 479 struct dfui_dataset *ds; 480 char tmpfsbacked; 481 const char *mountpoint, *capstring; 482 long capacity; 483 long bsize, fsize; 484 int softupdates; 485 int valid = 1; 486 487 subpartitions_free(storage_get_selected_slice(a->s)); 488 489 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; 490 ds = dfui_dataset_get_next(ds)) { 491 mountpoint = dfui_dataset_get_value(ds, "mountpoint"); 492 capstring = dfui_dataset_get_value(ds, "capacity"); 493 494 if (expert) { 495 softupdates = 496 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0); 497 fsize = atol(dfui_dataset_get_value(ds, "fsize")); 498 bsize = atol(dfui_dataset_get_value(ds, "bsize")); 499 tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); 500 } else { 501 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1); 502 tmpfsbacked = 0; 503 fsize = -1; 504 bsize = -1; 505 } 506 507 if (string_to_capacity(capstring, &capacity)) { 508 subpartition_new_ufs(storage_get_selected_slice(a->s), 509 mountpoint, capacity, 510 strcasecmp(dfui_dataset_get_value(ds, "encrypted"), "Y") == 0, 511 softupdates, fsize, bsize, tmpfsbacked); 512 } 513 } 514 } 515 516 static void 517 populate_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 518 { 519 struct subpartition *sp; 520 struct dfui_dataset *ds; 521 char temp[32]; 522 int mtpt; 523 long capacity; 524 525 if (slice_subpartition_first(storage_get_selected_slice(a->s)) != NULL) { 526 /* 527 * The user has already given us their subpartition 528 * preferences, so use them here. 529 */ 530 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 531 sp != NULL; sp = subpartition_next(sp)) { 532 ds = dfui_dataset_new(); 533 dfui_dataset_celldata_add(ds, "mountpoint", 534 subpartition_get_mountpoint(sp)); 535 dfui_dataset_celldata_add(ds, "capacity", 536 capacity_to_string(subpartition_get_capacity(sp))); 537 dfui_dataset_celldata_add(ds, "encrypted", 538 subpartition_is_encrypted(sp) ? "Y" : "N"); 539 if (expert) { 540 dfui_dataset_celldata_add(ds, "softupdates", 541 subpartition_is_softupdated(sp) ? "Y" : "N"); 542 dfui_dataset_celldata_add(ds, "tmpfsbacked", 543 subpartition_is_tmpfsbacked(sp) ? "Y" : "N"); 544 snprintf(temp, 32, "%ld", subpartition_get_fsize(sp)); 545 dfui_dataset_celldata_add(ds, "fsize", 546 temp); 547 snprintf(temp, 32, "%ld", subpartition_get_bsize(sp)); 548 dfui_dataset_celldata_add(ds, "bsize", 549 temp); 550 } 551 dfui_form_dataset_add(f, ds); 552 } 553 } else { 554 /* 555 * Otherwise, populate the form with datasets representing 556 * reasonably-calculated defaults. The defaults are chosen 557 * based on the slice's total capacity and the machine's 558 * total physical memory (for swap.) 559 */ 560 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { 561 capacity = default_capacity(a->s, mtpt); 562 ds = dfui_dataset_new(); 563 dfui_dataset_celldata_add(ds, "mountpoint", 564 def_mountpt[mtpt]); 565 dfui_dataset_celldata_add(ds, "capacity", 566 capacity_to_string(capacity)); 567 dfui_dataset_celldata_add(ds, "encrypted", "N"); 568 if (expert) { 569 dfui_dataset_celldata_add(ds, "softupdates", 570 strcmp(def_mountpt[mtpt], "/") != 0 ? "Y" : "N"); 571 dfui_dataset_celldata_add(ds, "tmpfsbacked", 572 "N"); 573 dfui_dataset_celldata_add(ds, "fsize", 574 capacity < 1024 ? "1024" : "2048"); 575 dfui_dataset_celldata_add(ds, "bsize", 576 capacity < 1024 ? "8192" : "16384"); 577 } 578 dfui_form_dataset_add(f, ds); 579 } 580 } 581 } 582 583 static int 584 warn_subpartition_selections(struct i_fn_args *a) 585 { 586 int valid = 0; 587 struct aura_buffer *omit, *consequences; 588 589 omit = aura_buffer_new(2048); 590 consequences = aura_buffer_new(2048); 591 592 valid = check_capacity(a); 593 if (subpartition_find(storage_get_selected_slice(a->s), "/var") == NULL) { 594 aura_buffer_cat(omit, "/var "); 595 aura_buffer_cat(consequences, _("/var will be a plain dir in /\n")); 596 } 597 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) { 598 aura_buffer_cat(omit, "/usr "); 599 aura_buffer_cat(consequences, _("/usr will be a plain dir in /\n")); 600 } 601 if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL) { 602 aura_buffer_cat(omit, "/tmp "); 603 aura_buffer_cat(consequences, _("/tmp will be symlinked to /var/tmp\n")); 604 } 605 if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL) { 606 aura_buffer_cat(omit, "/home "); 607 aura_buffer_cat(consequences, _("/home will be symlinked to /usr/home\n")); 608 } 609 610 if (valid && aura_buffer_len(omit) > 0) { 611 switch (dfui_be_present_dialog(a->c, _("Really omit?"), 612 _("Omit Subpartition(s)|Return to Create Subpartitions"), 613 _("You have elected to not have the following " 614 "subpartition(s):\n\n%s\n\n" 615 "The ramifications of these subpartition(s) being " 616 "missing will be:\n\n%s\n" 617 "Is this really what you want to do?"), 618 aura_buffer_buf(omit), aura_buffer_buf(consequences))) { 619 case 1: 620 valid = 1; 621 break; 622 case 2: 623 valid = 0; 624 break; 625 default: 626 abort_backend(); 627 } 628 } 629 630 aura_buffer_free(omit); 631 aura_buffer_free(consequences); 632 633 return(!valid); 634 } 635 636 static int 637 warn_encrypted_root(struct i_fn_args *a) 638 { 639 int valid = 1; 640 struct subpartition *sp; 641 642 sp = subpartition_find(storage_get_selected_slice(a->s), "/"); 643 if (sp == NULL) 644 return(!valid); 645 646 if (subpartition_is_encrypted(sp)) { 647 switch (dfui_be_present_dialog(a->c, _("root cannot be encrypted"), 648 _("Leave root unencrypted|Return to Create Subpartitions"), 649 _("You have selected encryption for the root partition which " 650 "is not supported."))) { 651 case 1: 652 subpartition_clr_encrypted(sp); 653 valid = 1; 654 break; 655 case 2: 656 valid = 0; 657 break; 658 default: 659 abort_backend(); 660 } 661 } 662 663 return(!valid); 664 } 665 666 static struct dfui_form * 667 make_create_subpartitions_form(struct i_fn_args *a) 668 { 669 struct dfui_field *fi; 670 struct dfui_form *f; 671 char msg_buf[1][1024]; 672 673 snprintf(msg_buf[0], sizeof(msg_buf[0]), 674 _("Subpartitions further divide a primary partition for " 675 "use with %s. Some reasons you may want " 676 "a set of subpartitions are:\n\n" 677 "- you want to restrict how much data can be written " 678 "to certain parts of the primary partition, to quell " 679 "denial-of-service attacks; and\n" 680 "- you want to speed up access to data on the disk." 681 ""), OPERATING_SYSTEM_NAME); 682 683 f = dfui_form_create( 684 "create_subpartitions", 685 _("Create Subpartitions"), 686 _("Set up the subpartitions (also known as just `partitions' " 687 "in BSD tradition) you want to have on this primary " 688 "partition.\n\n" 689 "For Capacity, use 'M' to indicate megabytes, 'G' to " 690 "indicate gigabytes, and so on (up to 'E'.) A single '*' " 691 "indicates 'use the remaining space on the primary partition'."), 692 693 msg_buf[0], 694 695 "p", "special", "dfinstaller_create_subpartitions", 696 "p", "minimum_width","64", 697 698 "f", "mountpoint", _("Mountpoint"), "", "", 699 "f", "capacity", _("Capacity"), "", "", 700 701 "f", "encrypted", _("Encrypted"), "", "", 702 "p", "control", "checkbox", 703 704 "a", "ok", _("Accept and Create"), "", "", 705 "a", "cancel", 706 (disk_get_formatted(storage_get_selected_disk(a->s)) ? 707 _("Return to Select Disk") : 708 _("Return to Select Primary Partition")), "", "", 709 "p", "accelerator", "ESC", 710 711 NULL 712 ); 713 714 dfui_form_set_multiple(f, 1); 715 dfui_form_set_extensible(f, 1); 716 717 if (expert) { 718 fi = dfui_form_field_add(f, "softupdates", 719 dfui_info_new(_("Softupdates"), "", "")); 720 dfui_field_property_set(fi, "control", "checkbox"); 721 722 fi = dfui_form_field_add(f, "tmpfsbacked", 723 dfui_info_new(_("TMPFS"), "", "")); 724 dfui_field_property_set(fi, "control", "checkbox"); 725 726 fi = dfui_form_field_add(f, "fsize", 727 dfui_info_new(_("Frag Sz"), "", "")); 728 729 fi = dfui_form_field_add(f, "bsize", 730 dfui_info_new(_("Block Sz"), "", "")); 731 732 dfui_form_action_add(f, "switch", 733 dfui_info_new(_("Switch to Normal Mode"), "", "")); 734 } else { 735 dfui_form_action_add(f, "switch", 736 dfui_info_new(_("Switch to Expert Mode"), "", "")); 737 } 738 739 return(f); 740 } 741 742 /* 743 * Returns: 744 * -1 = the form should be redisplayed 745 * 0 = failure, function is over 746 * 1 = success, function is over 747 */ 748 static int 749 show_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 750 { 751 struct dfui_dataset *ds; 752 struct dfui_response *r; 753 754 for (;;) { 755 if (dfui_form_dataset_get_first(f) == NULL) 756 populate_create_subpartitions_form(f, a); 757 758 if (!dfui_be_present(a->c, f, &r)) 759 abort_backend(); 760 761 if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) { 762 dfui_response_free(r); 763 return(0); 764 } else if (strcmp(dfui_response_get_action_id(r), "switch") == 0) { 765 if (check_subpartition_selections(r, a)) { 766 save_subpartition_selections(r, a); 767 expert = expert ? 0 : 1; 768 dfui_response_free(r); 769 return(-1); 770 } 771 } else { 772 if (check_subpartition_selections(r, a)) { 773 save_subpartition_selections(r, a); 774 if (!warn_subpartition_selections(a) && 775 !warn_encrypted_root(a)) { 776 if (!create_subpartitions(a)) { 777 inform(a->c, _("The subpartitions you chose were " 778 "not correctly created, and the " 779 "primary partition may " 780 "now be in an inconsistent state. " 781 "We recommend re-formatting it " 782 "before proceeding.")); 783 dfui_response_free(r); 784 return(0); 785 } else { 786 dfui_response_free(r); 787 return(1); 788 } 789 } 790 } 791 } 792 793 dfui_form_datasets_free(f); 794 /* dfui_form_datasets_add_from_response(f, r); */ 795 for (ds = dfui_response_dataset_get_first(r); ds != NULL; 796 ds = dfui_dataset_get_next(ds)) { 797 dfui_form_dataset_add(f, dfui_dataset_dup(ds)); 798 } 799 } 800 } 801 802 void 803 fn_create_subpartitions_ufs(struct i_fn_args *a) 804 { 805 struct dfui_form *f; 806 int done = 0; 807 808 a->result = 0; 809 while (!done) { 810 f = make_create_subpartitions_form(a); 811 switch (show_create_subpartitions_form(f, a)) { 812 case -1: 813 done = 0; 814 break; 815 case 0: 816 done = 1; 817 a->result = 0; 818 break; 819 case 1: 820 done = 1; 821 a->result = 1; 822 break; 823 } 824 dfui_form_free(f); 825 } 826 } 827