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 to indicate " 433 "'use the rest of the primary partition', or it " 434 "must be a series of decimal digits ending with a " 435 "'M' (indicating megabytes) or a 'G' (indicating " 436 "gigabytes.)")); 437 valid = 0; 438 } 439 440 /* 441 * Maybe remove this limit entirely? 442 */ 443 if ((strcasecmp(mountpoint, "swap") == 0) && 444 (capacity > SWAP_MAX)) { 445 inform(a->c, _("Swap capacity is limited to %dG."), 446 SWAP_MAX / 1024); 447 valid = 0; 448 } 449 450 /* 451 * If we made it through that obstacle course, all is well. 452 */ 453 454 if (valid) 455 aura_dict_store(d, mountpoint, strlen(mountpoint) + 1, "", 1); 456 } 457 458 if (!found_root) { 459 inform(a->c, _("You must include a / (root) subpartition.")); 460 valid = 0; 461 } 462 463 if (aura_dict_size(d) > 16) { 464 inform(a->c, _("You cannot have more than 16 subpartitions " 465 "on a single primary partition. Remove some " 466 "and try again.")); 467 valid = 0; 468 } 469 470 aura_dict_free(d); 471 472 return(valid); 473 } 474 475 static void 476 save_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) 477 { 478 struct dfui_dataset *ds; 479 char tmpfsbacked; 480 const char *mountpoint, *capstring; 481 long capacity; 482 long bsize, fsize; 483 int softupdates; 484 int valid = 1; 485 486 subpartitions_free(storage_get_selected_slice(a->s)); 487 488 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; 489 ds = dfui_dataset_get_next(ds)) { 490 mountpoint = dfui_dataset_get_value(ds, "mountpoint"); 491 capstring = dfui_dataset_get_value(ds, "capacity"); 492 493 if (expert) { 494 softupdates = 495 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0); 496 fsize = atol(dfui_dataset_get_value(ds, "fsize")); 497 bsize = atol(dfui_dataset_get_value(ds, "bsize")); 498 tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); 499 } else { 500 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1); 501 tmpfsbacked = 0; 502 fsize = -1; 503 bsize = -1; 504 } 505 506 if (string_to_capacity(capstring, &capacity)) { 507 subpartition_new_ufs(storage_get_selected_slice(a->s), 508 mountpoint, capacity, 509 strcasecmp(dfui_dataset_get_value(ds, "encrypted"), "Y") == 0, 510 softupdates, fsize, bsize, tmpfsbacked); 511 } 512 } 513 } 514 515 static void 516 populate_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 517 { 518 struct subpartition *sp; 519 struct dfui_dataset *ds; 520 char temp[32]; 521 int mtpt; 522 long capacity; 523 524 if (slice_subpartition_first(storage_get_selected_slice(a->s)) != NULL) { 525 /* 526 * The user has already given us their subpartition 527 * preferences, so use them here. 528 */ 529 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 530 sp != NULL; sp = subpartition_next(sp)) { 531 ds = dfui_dataset_new(); 532 dfui_dataset_celldata_add(ds, "mountpoint", 533 subpartition_get_mountpoint(sp)); 534 dfui_dataset_celldata_add(ds, "capacity", 535 capacity_to_string(subpartition_get_capacity(sp))); 536 dfui_dataset_celldata_add(ds, "encrypted", 537 subpartition_is_encrypted(sp) ? "Y" : "N"); 538 if (expert) { 539 dfui_dataset_celldata_add(ds, "softupdates", 540 subpartition_is_softupdated(sp) ? "Y" : "N"); 541 dfui_dataset_celldata_add(ds, "tmpfsbacked", 542 subpartition_is_tmpfsbacked(sp) ? "Y" : "N"); 543 snprintf(temp, 32, "%ld", subpartition_get_fsize(sp)); 544 dfui_dataset_celldata_add(ds, "fsize", 545 temp); 546 snprintf(temp, 32, "%ld", subpartition_get_bsize(sp)); 547 dfui_dataset_celldata_add(ds, "bsize", 548 temp); 549 } 550 dfui_form_dataset_add(f, ds); 551 } 552 } else { 553 /* 554 * Otherwise, populate the form with datasets representing 555 * reasonably-calculated defaults. The defaults are chosen 556 * based on the slice's total capacity and the machine's 557 * total physical memory (for swap.) 558 */ 559 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { 560 capacity = default_capacity(a->s, mtpt); 561 ds = dfui_dataset_new(); 562 dfui_dataset_celldata_add(ds, "mountpoint", 563 def_mountpt[mtpt]); 564 dfui_dataset_celldata_add(ds, "capacity", 565 capacity_to_string(capacity)); 566 dfui_dataset_celldata_add(ds, "encrypted", "N"); 567 if (expert) { 568 dfui_dataset_celldata_add(ds, "softupdates", 569 strcmp(def_mountpt[mtpt], "/") != 0 ? "Y" : "N"); 570 dfui_dataset_celldata_add(ds, "tmpfsbacked", 571 "N"); 572 dfui_dataset_celldata_add(ds, "fsize", 573 capacity < 1024 ? "1024" : "2048"); 574 dfui_dataset_celldata_add(ds, "bsize", 575 capacity < 1024 ? "8192" : "16384"); 576 } 577 dfui_form_dataset_add(f, ds); 578 } 579 } 580 } 581 582 static int 583 warn_subpartition_selections(struct i_fn_args *a) 584 { 585 int valid = 0; 586 struct aura_buffer *omit, *consequences; 587 588 omit = aura_buffer_new(2048); 589 consequences = aura_buffer_new(2048); 590 591 valid = check_capacity(a); 592 if (subpartition_find(storage_get_selected_slice(a->s), "/var") == NULL) { 593 aura_buffer_cat(omit, "/var "); 594 aura_buffer_cat(consequences, _("/var will be a plain dir in /\n")); 595 } 596 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) { 597 aura_buffer_cat(omit, "/usr "); 598 aura_buffer_cat(consequences, _("/usr will be a plain dir in /\n")); 599 } 600 if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL) { 601 aura_buffer_cat(omit, "/tmp "); 602 aura_buffer_cat(consequences, _("/tmp will be symlinked to /var/tmp\n")); 603 } 604 if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL) { 605 aura_buffer_cat(omit, "/home "); 606 aura_buffer_cat(consequences, _("/home will be symlinked to /usr/home\n")); 607 } 608 609 if (valid && aura_buffer_len(omit) > 0) { 610 switch (dfui_be_present_dialog(a->c, _("Really omit?"), 611 _("Omit Subpartition(s)|Return to Create Subpartitions"), 612 _("You have elected to not have the following " 613 "subpartition(s):\n\n%s\n\n" 614 "The ramifications of these subpartition(s) being " 615 "missing will be:\n\n%s\n" 616 "Is this really what you want to do?"), 617 aura_buffer_buf(omit), aura_buffer_buf(consequences))) { 618 case 1: 619 valid = 1; 620 break; 621 case 2: 622 valid = 0; 623 break; 624 default: 625 abort_backend(); 626 } 627 } 628 629 aura_buffer_free(omit); 630 aura_buffer_free(consequences); 631 632 return(!valid); 633 } 634 635 static int 636 warn_encrypted_root(struct i_fn_args *a) 637 { 638 int valid = 1; 639 struct subpartition *sp; 640 641 sp = subpartition_find(storage_get_selected_slice(a->s), "/"); 642 if (sp == NULL) 643 return(!valid); 644 645 if (subpartition_is_encrypted(sp)) { 646 switch (dfui_be_present_dialog(a->c, _("root cannot be encrypted"), 647 _("Leave root unencrypted|Return to Create Subpartitions"), 648 _("You have selected encryption for the root partition which " 649 "is not supported."))) { 650 case 1: 651 subpartition_clr_encrypted(sp); 652 valid = 1; 653 break; 654 case 2: 655 valid = 0; 656 break; 657 default: 658 abort_backend(); 659 } 660 } 661 662 return(!valid); 663 } 664 665 static struct dfui_form * 666 make_create_subpartitions_form(struct i_fn_args *a) 667 { 668 struct dfui_field *fi; 669 struct dfui_form *f; 670 char msg_buf[1][1024]; 671 672 snprintf(msg_buf[0], sizeof(msg_buf[0]), 673 _("Subpartitions further divide a primary partition for " 674 "use with %s. Some reasons you may want " 675 "a set of subpartitions are:\n\n" 676 "- you want to restrict how much data can be written " 677 "to certain parts of the primary partition, to quell " 678 "denial-of-service attacks; and\n" 679 "- you want to speed up access to data on the disk." 680 ""), OPERATING_SYSTEM_NAME); 681 682 f = dfui_form_create( 683 "create_subpartitions", 684 _("Create Subpartitions"), 685 _("Set up the subpartitions (also known as just `partitions' " 686 "in BSD tradition) you want to have on this primary " 687 "partition.\n\n" 688 "For Capacity, use 'M' to indicate megabytes, 'G' to " 689 "indicate gigabytes, or a single '*' to indicate " 690 "'use the remaining space on the primary partition'."), 691 692 msg_buf[0], 693 694 "p", "special", "dfinstaller_create_subpartitions", 695 "p", "minimum_width","64", 696 697 "f", "mountpoint", _("Mountpoint"), "", "", 698 "f", "capacity", _("Capacity"), "", "", 699 700 "f", "encrypted", _("Encrypted"), "", "", 701 "p", "control", "checkbox", 702 703 "a", "ok", _("Accept and Create"), "", "", 704 "a", "cancel", 705 (disk_get_formatted(storage_get_selected_disk(a->s)) ? 706 _("Return to Select Disk") : 707 _("Return to Select Primary Partition")), "", "", 708 "p", "accelerator", "ESC", 709 710 NULL 711 ); 712 713 dfui_form_set_multiple(f, 1); 714 dfui_form_set_extensible(f, 1); 715 716 if (expert) { 717 fi = dfui_form_field_add(f, "softupdates", 718 dfui_info_new(_("Softupdates"), "", "")); 719 dfui_field_property_set(fi, "control", "checkbox"); 720 721 fi = dfui_form_field_add(f, "tmpfsbacked", 722 dfui_info_new(_("TMPFS"), "", "")); 723 dfui_field_property_set(fi, "control", "checkbox"); 724 725 fi = dfui_form_field_add(f, "fsize", 726 dfui_info_new(_("Frag Sz"), "", "")); 727 728 fi = dfui_form_field_add(f, "bsize", 729 dfui_info_new(_("Block Sz"), "", "")); 730 731 dfui_form_action_add(f, "switch", 732 dfui_info_new(_("Switch to Normal Mode"), "", "")); 733 } else { 734 dfui_form_action_add(f, "switch", 735 dfui_info_new(_("Switch to Expert Mode"), "", "")); 736 } 737 738 return(f); 739 } 740 741 /* 742 * Returns: 743 * -1 = the form should be redisplayed 744 * 0 = failure, function is over 745 * 1 = success, function is over 746 */ 747 static int 748 show_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 749 { 750 struct dfui_dataset *ds; 751 struct dfui_response *r; 752 753 for (;;) { 754 if (dfui_form_dataset_get_first(f) == NULL) 755 populate_create_subpartitions_form(f, a); 756 757 if (!dfui_be_present(a->c, f, &r)) 758 abort_backend(); 759 760 if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) { 761 dfui_response_free(r); 762 return(0); 763 } else if (strcmp(dfui_response_get_action_id(r), "switch") == 0) { 764 if (check_subpartition_selections(r, a)) { 765 save_subpartition_selections(r, a); 766 expert = expert ? 0 : 1; 767 dfui_response_free(r); 768 return(-1); 769 } 770 } else { 771 if (check_subpartition_selections(r, a)) { 772 save_subpartition_selections(r, a); 773 if (!warn_subpartition_selections(a) && 774 !warn_encrypted_root(a)) { 775 if (!create_subpartitions(a)) { 776 inform(a->c, _("The subpartitions you chose were " 777 "not correctly created, and the " 778 "primary partition may " 779 "now be in an inconsistent state. " 780 "We recommend re-formatting it " 781 "before proceeding.")); 782 dfui_response_free(r); 783 return(0); 784 } else { 785 dfui_response_free(r); 786 return(1); 787 } 788 } 789 } 790 } 791 792 dfui_form_datasets_free(f); 793 /* dfui_form_datasets_add_from_response(f, r); */ 794 for (ds = dfui_response_dataset_get_first(r); ds != NULL; 795 ds = dfui_dataset_get_next(ds)) { 796 dfui_form_dataset_add(f, dfui_dataset_dup(ds)); 797 } 798 } 799 } 800 801 void 802 fn_create_subpartitions_ufs(struct i_fn_args *a) 803 { 804 struct dfui_form *f; 805 int done = 0; 806 807 a->result = 0; 808 while (!done) { 809 f = make_create_subpartitions_form(a); 810 switch (show_create_subpartitions_form(f, a)) { 811 case -1: 812 done = 0; 813 break; 814 case 0: 815 done = 1; 816 a->result = 0; 817 break; 818 case 1: 819 done = 1; 820 a->result = 1; 821 break; 822 } 823 dfui_form_free(f); 824 } 825 } 826