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 %sdev/%s", 212 a->os_root, cmd_name(a, "CRYPTSETUP"), 213 a->os_root, 214 subpartition_get_device_name(sp)); 215 command_add(cmds, 216 "%s%s -d /tmp/t1 luksOpen %sdev/%s swap", 217 a->os_root, cmd_name(a, "CRYPTSETUP"), 218 a->os_root, 219 subpartition_get_device_name(sp)); 220 } 221 continue; 222 } 223 224 if (subpartition_is_encrypted(sp) && 225 strcmp(subpartition_get_mountpoint(sp), "/") != 0) { 226 command_add(cmds, 227 "%s%s -d /tmp/t1 luksFormat %sdev/%s", 228 a->os_root, cmd_name(a, "CRYPTSETUP"), 229 a->os_root, 230 subpartition_get_device_name(sp)); 231 command_add(cmds, 232 "%s%s -d /tmp/t1 luksOpen %sdev/%s %s", 233 a->os_root, cmd_name(a, "CRYPTSETUP"), 234 a->os_root, 235 subpartition_get_device_name(sp), 236 subpartition_get_mountpoint(sp) + 1); 237 command_add(cmds, "%s%s%s -b %ld -f %ld %sdev/mapper/%s", 238 a->os_root, cmd_name(a, "NEWFS"), 239 subpartition_is_softupdated(sp) ? " -U" : "", 240 subpartition_get_bsize(sp), 241 subpartition_get_fsize(sp), 242 a->os_root, 243 subpartition_get_mountpoint(sp) + 1); 244 } else { 245 command_add(cmds, "%s%s%s -b %ld -f %ld %sdev/%s", 246 a->os_root, cmd_name(a, "NEWFS"), 247 subpartition_is_softupdated(sp) ? " -U" : "", 248 subpartition_get_bsize(sp), 249 subpartition_get_fsize(sp), 250 a->os_root, 251 subpartition_get_device_name(sp)); 252 } 253 } 254 255 result = commands_execute(a, cmds); 256 commands_free(cmds); 257 return(result); 258 } 259 260 static long 261 default_capacity(struct storage *s, int mtpt) 262 { 263 unsigned long swap; 264 unsigned long capacity; 265 unsigned long mem; 266 267 if (mtpt == MTPT_HOME) 268 return(-1); 269 270 capacity = slice_get_capacity(storage_get_selected_slice(s)); 271 mem = storage_get_memsize(s); 272 swap = 2 * mem; 273 if (mem > (capacity / 2) || capacity < 4096) 274 swap = mem; 275 if (mem > capacity) 276 swap = capacity / 2; 277 if (swap > 8192) 278 swap = 8192; 279 280 if (capacity < DISK_MIN) { 281 /* 282 * For the purposes of this installer: 283 * can't be done. Sorry. 284 */ 285 return(-1); 286 } else if (capacity < 4096) { 287 switch (mtpt) { 288 case MTPT_ROOT: return(320); 289 case MTPT_SWAP: return(swap); 290 case MTPT_VAR: return(128); 291 case MTPT_TMP: return(128); 292 case MTPT_USR: return(1472); 293 } 294 } else if (capacity < 10240) { 295 switch (mtpt) { 296 case MTPT_ROOT: return(640); 297 case MTPT_SWAP: return(swap); 298 case MTPT_VAR: return(256); 299 case MTPT_TMP: return(256); 300 case MTPT_USR: return(2688); 301 } 302 } else { 303 switch (mtpt) { 304 case MTPT_ROOT: return(768); 305 case MTPT_SWAP: return(swap); 306 case MTPT_VAR: return(256); 307 case MTPT_TMP: return(256); 308 case MTPT_USR: return(7680); 309 } 310 } 311 /* shouldn't ever happen */ 312 return(-1); 313 } 314 315 static int 316 check_capacity(struct i_fn_args *a) 317 { 318 struct subpartition *sp; 319 long min_capacity[] = {320, 0, 16, 0, 1472, 0, 0}; 320 unsigned long total_capacity = 0; 321 int mtpt; 322 323 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) 324 min_capacity[MTPT_ROOT] += min_capacity[MTPT_USR]; 325 326 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 327 sp != NULL; sp = subpartition_next(sp)) { 328 long subpart_capacity = subpartition_get_capacity(sp); 329 const char *mountpt = subpartition_get_mountpoint(sp); 330 331 if (subpart_capacity == -1) 332 total_capacity++; 333 else 334 total_capacity += subpart_capacity; 335 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { 336 if (strcmp(mountpt, def_mountpt[mtpt]) == 0 && 337 subpart_capacity < min_capacity[mtpt] && 338 subpart_capacity != -1) { 339 inform(a->c, _("WARNING: The size (%ldM) specified for " 340 "the %s subpartition is too small. It " 341 "should be at least %ldM or you will " 342 "risk running out of space during " 343 "the installation."), 344 subpart_capacity, mountpt, 345 min_capacity[mtpt]); 346 } 347 } 348 } 349 350 if (total_capacity > slice_get_capacity(storage_get_selected_slice(a->s))) { 351 inform(a->c, _("The space allocated to all of your selected " 352 "subpartitions (%luM) exceeds the total " 353 "capacity of the selected primary partition " 354 "(%luM). Remove some subpartitions or choose " 355 "a smaller size for them and try again."), 356 total_capacity, slice_get_capacity(storage_get_selected_slice(a->s))); 357 return(0); 358 } 359 360 return(1); 361 } 362 363 static int 364 check_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) 365 { 366 struct dfui_dataset *ds; 367 struct dfui_dataset *star_ds = NULL; 368 struct aura_dict *d; 369 const char *mountpoint, *capstring; 370 long capacity = 0; 371 long bsize, fsize; 372 int found_root = 0; 373 int softupdates, tmpfsbacked; 374 int valid = 1; 375 376 d = aura_dict_new(1, AURA_DICT_LIST); 377 378 if ((ds = dfui_response_dataset_get_first(r)) == NULL) { 379 inform(a->c, _("Please set up at least one subpartition.")); 380 valid = 0; 381 } 382 383 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; 384 ds = dfui_dataset_get_next(ds)) { 385 #ifdef DEBUG 386 dfui_dataset_dump(ds); 387 #endif 388 mountpoint = dfui_dataset_get_value(ds, "mountpoint"); 389 capstring = dfui_dataset_get_value(ds, "capacity"); 390 391 if (expert) { 392 softupdates = 393 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0); 394 fsize = atol(dfui_dataset_get_value(ds, "fsize")); 395 bsize = atol(dfui_dataset_get_value(ds, "bsize")); 396 tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); 397 } else { 398 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1); 399 tmpfsbacked = (strcmp(mountpoint, "/tmp") == 0 ? 0 : 1); 400 fsize = -1; 401 bsize = -1; 402 } 403 404 if (aura_dict_exists(d, mountpoint, strlen(mountpoint) + 1)) { 405 inform(a->c, _("The same mount point cannot be specified " 406 "for two different subpartitions.")); 407 valid = 0; 408 } 409 410 if (strcmp(mountpoint, "/") == 0) 411 found_root = 1; 412 413 if (strcmp(capstring, "*") == 0) { 414 if (star_ds != NULL) { 415 inform(a->c, _("You cannot have more than one subpartition " 416 "with a '*' capacity (meaning 'use the remainder " 417 "of the primary partition'.)")); 418 valid = 0; 419 } else { 420 star_ds = ds; 421 } 422 } 423 424 if (!(!strcasecmp(mountpoint, "swap") || mountpoint[0] == '/')) { 425 inform(a->c, _("Mount point must be either 'swap', or it must " 426 "start with a '/'.")); 427 valid = 0; 428 } 429 430 if (strpbrk(mountpoint, " \\\"'`") != NULL) { 431 inform(a->c, _("Mount point may not contain the following " 432 "characters: blank space, backslash, or " 433 "single, double, or back quotes.")); 434 valid = 0; 435 } 436 437 if (strlen(capstring) == 0) { 438 inform(a->c, _("A capacity must be specified.")); 439 valid = 0; 440 } 441 442 if (!string_to_capacity(capstring, &capacity)) { 443 inform(a->c, _("Capacity must be either a '*' symbol to indicate " 444 "'use the rest of the primary partition', or it " 445 "must be a series of decimal digits ending with a " 446 "'M' (indicating megabytes) or a 'G' (indicating " 447 "gigabytes.)")); 448 valid = 0; 449 } 450 451 if ((strcasecmp(mountpoint, "swap") == 0) && (capacity > 8192)) { 452 inform(a->c, _("Swap capacity is limited to 8G.")); 453 valid = 0; 454 } 455 456 /* 457 * If we made it through that obstacle course, all is well. 458 */ 459 460 if (valid) 461 aura_dict_store(d, mountpoint, strlen(mountpoint) + 1, "", 1); 462 } 463 464 if (!found_root) { 465 inform(a->c, _("You must include a / (root) subpartition.")); 466 valid = 0; 467 } 468 469 if (aura_dict_size(d) > 16) { 470 inform(a->c, _("You cannot have more than 16 subpartitions " 471 "on a single primary partition. Remove some " 472 "and try again.")); 473 valid = 0; 474 } 475 476 aura_dict_free(d); 477 478 return(valid); 479 } 480 481 static void 482 save_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) 483 { 484 struct dfui_dataset *ds; 485 char tmpfsbacked; 486 const char *mountpoint, *capstring; 487 long capacity; 488 long bsize, fsize; 489 int softupdates; 490 int valid = 1; 491 492 subpartitions_free(storage_get_selected_slice(a->s)); 493 494 for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; 495 ds = dfui_dataset_get_next(ds)) { 496 mountpoint = dfui_dataset_get_value(ds, "mountpoint"); 497 capstring = dfui_dataset_get_value(ds, "capacity"); 498 499 if (expert) { 500 softupdates = 501 (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0); 502 fsize = atol(dfui_dataset_get_value(ds, "fsize")); 503 bsize = atol(dfui_dataset_get_value(ds, "bsize")); 504 tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); 505 } else { 506 softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1); 507 tmpfsbacked = 0; 508 fsize = -1; 509 bsize = -1; 510 } 511 512 if (string_to_capacity(capstring, &capacity)) { 513 subpartition_new_ufs(storage_get_selected_slice(a->s), 514 mountpoint, capacity, 515 strcasecmp(dfui_dataset_get_value(ds, "encrypted"), "Y") == 0, 516 softupdates, fsize, bsize, tmpfsbacked); 517 } 518 } 519 } 520 521 static void 522 populate_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 523 { 524 struct subpartition *sp; 525 struct dfui_dataset *ds; 526 char temp[32]; 527 int mtpt; 528 long capacity; 529 530 if (slice_subpartition_first(storage_get_selected_slice(a->s)) != NULL) { 531 /* 532 * The user has already given us their subpartition 533 * preferences, so use them here. 534 */ 535 for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); 536 sp != NULL; sp = subpartition_next(sp)) { 537 ds = dfui_dataset_new(); 538 dfui_dataset_celldata_add(ds, "mountpoint", 539 subpartition_get_mountpoint(sp)); 540 dfui_dataset_celldata_add(ds, "capacity", 541 capacity_to_string(subpartition_get_capacity(sp))); 542 dfui_dataset_celldata_add(ds, "encrypted", 543 subpartition_is_encrypted(sp) ? "Y" : "N"); 544 if (expert) { 545 dfui_dataset_celldata_add(ds, "softupdates", 546 subpartition_is_softupdated(sp) ? "Y" : "N"); 547 dfui_dataset_celldata_add(ds, "tmpfsbacked", 548 subpartition_is_tmpfsbacked(sp) ? "Y" : "N"); 549 snprintf(temp, 32, "%ld", subpartition_get_fsize(sp)); 550 dfui_dataset_celldata_add(ds, "fsize", 551 temp); 552 snprintf(temp, 32, "%ld", subpartition_get_bsize(sp)); 553 dfui_dataset_celldata_add(ds, "bsize", 554 temp); 555 } 556 dfui_form_dataset_add(f, ds); 557 } 558 } else { 559 /* 560 * Otherwise, populate the form with datasets representing 561 * reasonably-calculated defaults. The defaults are chosen 562 * based on the slice's total capacity and the machine's 563 * total physical memory (for swap.) 564 */ 565 for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { 566 capacity = default_capacity(a->s, mtpt); 567 ds = dfui_dataset_new(); 568 dfui_dataset_celldata_add(ds, "mountpoint", 569 def_mountpt[mtpt]); 570 dfui_dataset_celldata_add(ds, "capacity", 571 capacity_to_string(capacity)); 572 dfui_dataset_celldata_add(ds, "encrypted", "N"); 573 if (expert) { 574 dfui_dataset_celldata_add(ds, "softupdates", 575 strcmp(def_mountpt[mtpt], "/") != 0 ? "Y" : "N"); 576 dfui_dataset_celldata_add(ds, "tmpfsbacked", 577 "N"); 578 dfui_dataset_celldata_add(ds, "fsize", 579 capacity < 1024 ? "1024" : "2048"); 580 dfui_dataset_celldata_add(ds, "bsize", 581 capacity < 1024 ? "8192" : "16384"); 582 } 583 dfui_form_dataset_add(f, ds); 584 } 585 } 586 } 587 588 static int 589 warn_subpartition_selections(struct i_fn_args *a) 590 { 591 int valid = 0; 592 struct aura_buffer *omit, *consequences; 593 594 omit = aura_buffer_new(2048); 595 consequences = aura_buffer_new(2048); 596 597 valid = check_capacity(a); 598 if (subpartition_find(storage_get_selected_slice(a->s), "/var") == NULL) { 599 aura_buffer_cat(omit, "/var "); 600 aura_buffer_cat(consequences, _("/var will be a plain dir in /\n")); 601 } 602 if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) { 603 aura_buffer_cat(omit, "/usr "); 604 aura_buffer_cat(consequences, _("/usr will be a plain dir in /\n")); 605 } 606 if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL) { 607 aura_buffer_cat(omit, "/tmp "); 608 aura_buffer_cat(consequences, _("/tmp will be symlinked to /var/tmp\n")); 609 } 610 if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL) { 611 aura_buffer_cat(omit, "/home "); 612 aura_buffer_cat(consequences, _("/home will be symlinked to /usr/home\n")); 613 } 614 615 if (valid && aura_buffer_len(omit) > 0) { 616 switch (dfui_be_present_dialog(a->c, _("Really omit?"), 617 _("Omit Subpartition(s)|Return to Create Subpartitions"), 618 _("You have elected to not have the following " 619 "subpartition(s):\n\n%s\n\n" 620 "The ramifications of these subpartition(s) being " 621 "missing will be:\n\n%s\n" 622 "Is this really what you want to do?"), 623 aura_buffer_buf(omit), aura_buffer_buf(consequences))) { 624 case 1: 625 valid = 1; 626 break; 627 case 2: 628 valid = 0; 629 break; 630 default: 631 abort_backend(); 632 } 633 } 634 635 aura_buffer_free(omit); 636 aura_buffer_free(consequences); 637 638 return(!valid); 639 } 640 641 static int 642 warn_encrypted_root(struct i_fn_args *a) 643 { 644 int valid = 1; 645 struct subpartition *sp; 646 647 sp = subpartition_find(storage_get_selected_slice(a->s), "/"); 648 if (sp == NULL) 649 return(!valid); 650 651 if (subpartition_is_encrypted(sp)) { 652 switch (dfui_be_present_dialog(a->c, _("root cannot be encrypted"), 653 _("Leave root unencrypted|Return to Create Subpartitions"), 654 _("You have selected encryption for the root partition which " 655 "is not supported."))) { 656 case 1: 657 valid = 1; 658 break; 659 case 2: 660 valid = 0; 661 break; 662 default: 663 abort_backend(); 664 } 665 } 666 667 return(!valid); 668 } 669 670 static struct dfui_form * 671 make_create_subpartitions_form(struct i_fn_args *a) 672 { 673 struct dfui_field *fi; 674 struct dfui_form *f; 675 char msg_buf[1][1024]; 676 677 snprintf(msg_buf[0], sizeof(msg_buf[0]), 678 _("Subpartitions further divide a primary partition for " 679 "use with %s. Some reasons you may want " 680 "a set of subpartitions are:\n\n" 681 "- you want to restrict how much data can be written " 682 "to certain parts of the primary partition, to quell " 683 "denial-of-service attacks; and\n" 684 "- you want to speed up access to data on the disk." 685 ""), OPERATING_SYSTEM_NAME); 686 687 f = dfui_form_create( 688 "create_subpartitions", 689 _("Create Subpartitions"), 690 _("Set up the subpartitions (also known as just `partitions' " 691 "in BSD tradition) you want to have on this primary " 692 "partition.\n\n" 693 "For Capacity, use 'M' to indicate megabytes, 'G' to " 694 "indicate gigabytes, or a single '*' to indicate " 695 "'use the remaining space on the primary partition'."), 696 697 msg_buf[0], 698 699 "p", "special", "dfinstaller_create_subpartitions", 700 "p", "minimum_width","64", 701 702 "f", "mountpoint", _("Mountpoint"), "", "", 703 "f", "capacity", _("Capacity"), "", "", 704 705 "f", "encrypted", _("Encrypted"), "", "", 706 "p", "control", "checkbox", 707 708 "a", "ok", _("Accept and Create"), "", "", 709 "a", "cancel", 710 (disk_get_formatted(storage_get_selected_disk(a->s)) ? 711 _("Return to Select Disk") : 712 _("Return to Select Primary Partition")), "", "", 713 "p", "accelerator", "ESC", 714 715 NULL 716 ); 717 718 dfui_form_set_multiple(f, 1); 719 dfui_form_set_extensible(f, 1); 720 721 if (expert) { 722 fi = dfui_form_field_add(f, "softupdates", 723 dfui_info_new(_("Softupdates"), "", "")); 724 dfui_field_property_set(fi, "control", "checkbox"); 725 726 fi = dfui_form_field_add(f, "tmpfsbacked", 727 dfui_info_new(_("TMPFS"), "", "")); 728 dfui_field_property_set(fi, "control", "checkbox"); 729 730 fi = dfui_form_field_add(f, "fsize", 731 dfui_info_new(_("Frag Sz"), "", "")); 732 733 fi = dfui_form_field_add(f, "bsize", 734 dfui_info_new(_("Block Sz"), "", "")); 735 736 dfui_form_action_add(f, "switch", 737 dfui_info_new(_("Switch to Normal Mode"), "", "")); 738 } else { 739 dfui_form_action_add(f, "switch", 740 dfui_info_new(_("Switch to Expert Mode"), "", "")); 741 } 742 743 return(f); 744 } 745 746 /* 747 * Returns: 748 * -1 = the form should be redisplayed 749 * 0 = failure, function is over 750 * 1 = success, function is over 751 */ 752 static int 753 show_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) 754 { 755 struct dfui_dataset *ds; 756 struct dfui_response *r; 757 758 for (;;) { 759 if (dfui_form_dataset_get_first(f) == NULL) 760 populate_create_subpartitions_form(f, a); 761 762 if (!dfui_be_present(a->c, f, &r)) 763 abort_backend(); 764 765 if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) { 766 dfui_response_free(r); 767 return(0); 768 } else if (strcmp(dfui_response_get_action_id(r), "switch") == 0) { 769 if (check_subpartition_selections(r, a)) { 770 save_subpartition_selections(r, a); 771 expert = expert ? 0 : 1; 772 dfui_response_free(r); 773 return(-1); 774 } 775 } else { 776 if (check_subpartition_selections(r, a)) { 777 save_subpartition_selections(r, a); 778 if (!warn_subpartition_selections(a) && 779 !warn_encrypted_root(a)) { 780 if (!create_subpartitions(a)) { 781 inform(a->c, _("The subpartitions you chose were " 782 "not correctly created, and the " 783 "primary partition may " 784 "now be in an inconsistent state. " 785 "We recommend re-formatting it " 786 "before proceeding.")); 787 dfui_response_free(r); 788 return(0); 789 } else { 790 dfui_response_free(r); 791 return(1); 792 } 793 } 794 } 795 } 796 797 dfui_form_datasets_free(f); 798 /* dfui_form_datasets_add_from_response(f, r); */ 799 for (ds = dfui_response_dataset_get_first(r); ds != NULL; 800 ds = dfui_dataset_get_next(ds)) { 801 dfui_form_dataset_add(f, dfui_dataset_dup(ds)); 802 } 803 } 804 } 805 806 void 807 fn_create_subpartitions_ufs(struct i_fn_args *a) 808 { 809 struct dfui_form *f; 810 int done = 0; 811 812 a->result = 0; 813 while (!done) { 814 f = make_create_subpartitions_form(a); 815 switch (show_create_subpartitions_form(f, a)) { 816 case -1: 817 done = 0; 818 break; 819 case 0: 820 done = 1; 821 a->result = 0; 822 break; 823 case 1: 824 done = 1; 825 a->result = 1; 826 break; 827 } 828 dfui_form_free(f); 829 } 830 } 831