1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 Nathan Whitehorn 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/stat.h> 33 #include <errno.h> 34 #include <fcntl.h> 35 #include <libutil.h> 36 #include <inttypes.h> 37 38 #include <libgeom.h> 39 #include <dialog.h> 40 #include <dlg_keys.h> 41 42 #include "partedit.h" 43 44 #define GPART_FLAGS "x" /* Do not commit changes by default */ 45 46 static void 47 gpart_show_error(const char *title, const char *explanation, const char *errstr) 48 { 49 char *errmsg; 50 char message[512]; 51 int error; 52 53 if (explanation == NULL) 54 explanation = ""; 55 56 error = strtol(errstr, &errmsg, 0); 57 if (errmsg != errstr) { 58 while (errmsg[0] == ' ') 59 errmsg++; 60 if (errmsg[0] != '\0') 61 sprintf(message, "%s%s. %s", explanation, 62 strerror(error), errmsg); 63 else 64 sprintf(message, "%s%s", explanation, strerror(error)); 65 } else { 66 sprintf(message, "%s%s", explanation, errmsg); 67 } 68 69 dialog_msgbox(title, message, 0, 0, TRUE); 70 } 71 72 static int 73 scheme_supports_labels(const char *scheme) 74 { 75 if (strcmp(scheme, "APM") == 0) 76 return (1); 77 if (strcmp(scheme, "GPT") == 0) 78 return (1); 79 80 return (0); 81 } 82 83 static void 84 newfs_command(const char *fstype, char *command, int use_default) 85 { 86 if (strcmp(fstype, "freebsd-ufs") == 0) { 87 int i; 88 DIALOG_LISTITEM items[] = { 89 {"UFS1", "UFS Version 1", 90 "Use version 1 of the UFS file system instead " 91 "of version 2 (not recommended)", 0 }, 92 {"SU", "Softupdates", 93 "Enable softupdates (default)", 1 }, 94 {"SUJ", "Softupdates journaling", 95 "Enable file system journaling (default - " 96 "turn off for SSDs)", 1 }, 97 {"TRIM", "Enable SSD TRIM support", 98 "Enable TRIM support, useful on solid-state drives", 99 0 }, 100 }; 101 102 if (!use_default) { 103 int choice; 104 choice = dlg_checklist("UFS Options", "", 0, 0, 0, 105 nitems(items), items, NULL, 106 FLAG_CHECK, &i); 107 if (choice == 1) /* Cancel */ 108 return; 109 } 110 111 strcpy(command, "newfs "); 112 for (i = 0; i < (int)nitems(items); i++) { 113 if (items[i].state == 0) 114 continue; 115 if (strcmp(items[i].name, "UFS1") == 0) 116 strcat(command, "-O1 "); 117 else if (strcmp(items[i].name, "SU") == 0) 118 strcat(command, "-U "); 119 else if (strcmp(items[i].name, "SUJ") == 0) 120 strcat(command, "-j "); 121 else if (strcmp(items[i].name, "TRIM") == 0) 122 strcat(command, "-t "); 123 } 124 } else if (strcmp(fstype, "freebsd-zfs") == 0) { 125 int i; 126 DIALOG_LISTITEM items[] = { 127 {"fletcher4", "checksum algorithm: fletcher4", 128 "Use fletcher4 for data integrity checking. " 129 "(default)", 1 }, 130 {"fletcher2", "checksum algorithm: fletcher2", 131 "Use fletcher2 for data integrity checking. " 132 "(not recommended)", 0 }, 133 {"sha256", "checksum algorithm: sha256", 134 "Use sha256 for data integrity checking. " 135 "(not recommended)", 0 }, 136 {"atime", "Update atimes for files", 137 "Disable atime update", 0 }, 138 }; 139 140 if (!use_default) { 141 int choice; 142 choice = dlg_checklist("ZFS Options", "", 0, 0, 0, 143 nitems(items), items, NULL, 144 FLAG_CHECK, &i); 145 if (choice == 1) /* Cancel */ 146 return; 147 } 148 149 strcpy(command, "zpool create -f -m none "); 150 if (getenv("BSDINSTALL_TMPBOOT") != NULL) { 151 char zfsboot_path[MAXPATHLEN]; 152 snprintf(zfsboot_path, sizeof(zfsboot_path), "%s/zfs", 153 getenv("BSDINSTALL_TMPBOOT")); 154 mkdir(zfsboot_path, S_IRWXU | S_IRGRP | S_IXGRP | 155 S_IROTH | S_IXOTH); 156 sprintf(command, "%s -o cachefile=%s/zpool.cache ", 157 command, zfsboot_path); 158 } 159 for (i = 0; i < (int)nitems(items); i++) { 160 if (items[i].state == 0) 161 continue; 162 if (strcmp(items[i].name, "fletcher4") == 0) 163 strcat(command, "-O checksum=fletcher4 "); 164 else if (strcmp(items[i].name, "fletcher2") == 0) 165 strcat(command, "-O checksum=fletcher2 "); 166 else if (strcmp(items[i].name, "sha256") == 0) 167 strcat(command, "-O checksum=sha256 "); 168 else if (strcmp(items[i].name, "atime") == 0) 169 strcat(command, "-O atime=off "); 170 } 171 } else if (strcmp(fstype, "fat32") == 0 || strcmp(fstype, "efi") == 0 || 172 strcmp(fstype, "ms-basic-data") == 0) { 173 int i; 174 DIALOG_LISTITEM items[] = { 175 {"FAT32", "FAT Type 32", 176 "Create a FAT32 filesystem (default)", 1 }, 177 {"FAT16", "FAT Type 16", 178 "Create a FAT16 filesystem", 0 }, 179 {"FAT12", "FAT Type 12", 180 "Create a FAT12 filesystem", 0 }, 181 }; 182 183 if (!use_default) { 184 int choice; 185 choice = dlg_checklist("FAT Options", "", 0, 0, 0, 186 nitems(items), items, NULL, 187 FLAG_RADIO, &i); 188 if (choice == 1) /* Cancel */ 189 return; 190 } 191 192 strcpy(command, "newfs_msdos "); 193 for (i = 0; i < (int)nitems(items); i++) { 194 if (items[i].state == 0) 195 continue; 196 if (strcmp(items[i].name, "FAT32") == 0) 197 strcat(command, "-F 32 -c 1"); 198 else if (strcmp(items[i].name, "FAT16") == 0) 199 strcat(command, "-F 16 "); 200 else if (strcmp(items[i].name, "FAT12") == 0) 201 strcat(command, "-F 12 "); 202 } 203 } else { 204 if (!use_default) 205 dialog_msgbox("Error", "No configurable options exist " 206 "for this filesystem.", 0, 0, TRUE); 207 command[0] = '\0'; 208 } 209 } 210 211 const char * 212 choose_part_type(const char *def_scheme) 213 { 214 int cancel, choice; 215 const char *scheme = NULL; 216 217 DIALOG_LISTITEM items[] = { 218 {"APM", "Apple Partition Map", 219 "Bootable on PowerPC Apple Hardware", 0 }, 220 {"BSD", "BSD Labels", 221 "Bootable on most x86 systems", 0 }, 222 {"GPT", "GUID Partition Table", 223 "Bootable on most x86 systems and EFI aware ARM64", 0 }, 224 {"MBR", "DOS Partitions", 225 "Bootable on most x86 systems", 0 }, 226 {"VTOC8", "Sun VTOC8 Partition Table", 227 "Bootable on Sun SPARC systems", 0 }, 228 }; 229 230 parttypemenu: 231 dialog_vars.default_item = __DECONST(char *, def_scheme); 232 cancel = dlg_menu("Partition Scheme", 233 "Select a partition scheme for this volume:", 0, 0, 0, 234 nitems(items), items, &choice, NULL); 235 dialog_vars.default_item = NULL; 236 237 if (cancel) 238 return NULL; 239 240 if (!is_scheme_bootable(items[choice].name)) { 241 char message[512]; 242 sprintf(message, "This partition scheme (%s) is not " 243 "bootable on this platform. Are you sure you want " 244 "to proceed?", items[choice].name); 245 dialog_vars.defaultno = TRUE; 246 cancel = dialog_yesno("Warning", message, 0, 0); 247 dialog_vars.defaultno = FALSE; 248 if (cancel) /* cancel */ 249 goto parttypemenu; 250 } 251 252 scheme = items[choice].name; 253 254 return scheme; 255 } 256 257 int 258 gpart_partition(const char *lg_name, const char *scheme) 259 { 260 int cancel; 261 struct gctl_req *r; 262 const char *errstr; 263 264 schememenu: 265 if (scheme == NULL) { 266 scheme = choose_part_type(default_scheme()); 267 268 if (scheme == NULL) 269 return (-1); 270 271 if (!is_scheme_bootable(scheme)) { 272 char message[512]; 273 sprintf(message, "This partition scheme (%s) is not " 274 "bootable on this platform. Are you sure you want " 275 "to proceed?", scheme); 276 dialog_vars.defaultno = TRUE; 277 cancel = dialog_yesno("Warning", message, 0, 0); 278 dialog_vars.defaultno = FALSE; 279 if (cancel) { /* cancel */ 280 /* Reset scheme so user can choose another */ 281 scheme = NULL; 282 goto schememenu; 283 } 284 } 285 } 286 287 r = gctl_get_handle(); 288 gctl_ro_param(r, "class", -1, "PART"); 289 gctl_ro_param(r, "arg0", -1, lg_name); 290 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 291 gctl_ro_param(r, "scheme", -1, scheme); 292 gctl_ro_param(r, "verb", -1, "create"); 293 294 errstr = gctl_issue(r); 295 if (errstr != NULL && errstr[0] != '\0') { 296 gpart_show_error("Error", NULL, errstr); 297 gctl_free(r); 298 scheme = NULL; 299 goto schememenu; 300 } 301 gctl_free(r); 302 303 if (bootcode_path(scheme) != NULL) 304 get_part_metadata(lg_name, 1)->bootcode = 1; 305 return (0); 306 } 307 308 static void 309 gpart_activate(struct gprovider *pp) 310 { 311 struct gconfig *gc; 312 struct gctl_req *r; 313 const char *errstr, *scheme; 314 const char *attribute = NULL; 315 intmax_t idx; 316 317 /* 318 * Some partition schemes need this partition to be marked 'active' 319 * for it to be bootable. 320 */ 321 LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) { 322 if (strcmp(gc->lg_name, "scheme") == 0) { 323 scheme = gc->lg_val; 324 break; 325 } 326 } 327 328 if (strcmp(scheme, "MBR") == 0 || strcmp(scheme, "EBR") == 0) 329 attribute = "active"; 330 else 331 return; 332 333 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 334 if (strcmp(gc->lg_name, "index") == 0) { 335 idx = atoi(gc->lg_val); 336 break; 337 } 338 } 339 340 r = gctl_get_handle(); 341 gctl_ro_param(r, "class", -1, "PART"); 342 gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name); 343 gctl_ro_param(r, "verb", -1, "set"); 344 gctl_ro_param(r, "attrib", -1, attribute); 345 gctl_ro_param(r, "index", sizeof(idx), &idx); 346 347 errstr = gctl_issue(r); 348 if (errstr != NULL && errstr[0] != '\0') 349 gpart_show_error("Error", "Error marking partition active:", 350 errstr); 351 gctl_free(r); 352 } 353 354 void 355 gpart_set_root(const char *lg_name, const char *attribute) 356 { 357 struct gctl_req *r; 358 const char *errstr; 359 360 r = gctl_get_handle(); 361 gctl_ro_param(r, "class", -1, "PART"); 362 gctl_ro_param(r, "arg0", -1, lg_name); 363 gctl_ro_param(r, "flags", -1, "C"); 364 gctl_ro_param(r, "verb", -1, "set"); 365 gctl_ro_param(r, "attrib", -1, attribute); 366 367 errstr = gctl_issue(r); 368 if (errstr != NULL && errstr[0] != '\0') 369 gpart_show_error("Error", "Error setting parameter on disk:", 370 errstr); 371 gctl_free(r); 372 } 373 374 static void 375 gpart_bootcode(struct ggeom *gp) 376 { 377 const char *bootcode; 378 struct gconfig *gc; 379 struct gctl_req *r; 380 const char *errstr, *scheme; 381 uint8_t *boot; 382 size_t bootsize, bytes; 383 int bootfd; 384 385 /* 386 * Write default bootcode to the newly partitioned disk, if that 387 * applies on this platform. 388 */ 389 LIST_FOREACH(gc, &gp->lg_config, lg_config) { 390 if (strcmp(gc->lg_name, "scheme") == 0) { 391 scheme = gc->lg_val; 392 break; 393 } 394 } 395 396 bootcode = bootcode_path(scheme); 397 if (bootcode == NULL) 398 return; 399 400 bootfd = open(bootcode, O_RDONLY); 401 if (bootfd < 0) { 402 dialog_msgbox("Bootcode Error", strerror(errno), 0, 0, 403 TRUE); 404 return; 405 } 406 407 bootsize = lseek(bootfd, 0, SEEK_END); 408 boot = malloc(bootsize); 409 lseek(bootfd, 0, SEEK_SET); 410 bytes = 0; 411 while (bytes < bootsize) 412 bytes += read(bootfd, boot + bytes, bootsize - bytes); 413 close(bootfd); 414 415 r = gctl_get_handle(); 416 gctl_ro_param(r, "class", -1, "PART"); 417 gctl_ro_param(r, "arg0", -1, gp->lg_name); 418 gctl_ro_param(r, "verb", -1, "bootcode"); 419 gctl_ro_param(r, "bootcode", bootsize, boot); 420 421 errstr = gctl_issue(r); 422 if (errstr != NULL && errstr[0] != '\0') 423 gpart_show_error("Bootcode Error", NULL, errstr); 424 gctl_free(r); 425 free(boot); 426 } 427 428 static void 429 gpart_partcode(struct gprovider *pp, const char *fstype) 430 { 431 struct gconfig *gc; 432 const char *scheme; 433 const char *indexstr; 434 char message[255], command[255]; 435 436 LIST_FOREACH(gc, &pp->lg_geom->lg_config, lg_config) { 437 if (strcmp(gc->lg_name, "scheme") == 0) { 438 scheme = gc->lg_val; 439 break; 440 } 441 } 442 443 /* Make sure this partition scheme needs partcode on this platform */ 444 if (partcode_path(scheme, fstype) == NULL) 445 return; 446 447 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 448 if (strcmp(gc->lg_name, "index") == 0) { 449 indexstr = gc->lg_val; 450 break; 451 } 452 } 453 454 /* Shell out to gpart for partcode for now */ 455 sprintf(command, "gpart bootcode -p %s -i %s %s", 456 partcode_path(scheme, fstype), indexstr, pp->lg_geom->lg_name); 457 if (system(command) != 0) { 458 sprintf(message, "Error installing partcode on partition %s", 459 pp->lg_name); 460 dialog_msgbox("Error", message, 0, 0, TRUE); 461 } 462 } 463 464 void 465 gpart_destroy(struct ggeom *lg_geom) 466 { 467 struct gctl_req *r; 468 struct gprovider *pp; 469 const char *errstr; 470 int force = 1; 471 472 /* Delete all child metadata */ 473 LIST_FOREACH(pp, &lg_geom->lg_provider, lg_provider) 474 gpart_delete(pp); 475 476 /* Revert any local changes to get this geom into a pristine state */ 477 r = gctl_get_handle(); 478 gctl_ro_param(r, "class", -1, "PART"); 479 gctl_ro_param(r, "arg0", -1, lg_geom->lg_name); 480 gctl_ro_param(r, "verb", -1, "undo"); 481 gctl_issue(r); /* Ignore errors -- these are non-fatal */ 482 gctl_free(r); 483 484 /* Now destroy the geom itself */ 485 r = gctl_get_handle(); 486 gctl_ro_param(r, "class", -1, "PART"); 487 gctl_ro_param(r, "arg0", -1, lg_geom->lg_name); 488 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 489 gctl_ro_param(r, "force", sizeof(force), &force); 490 gctl_ro_param(r, "verb", -1, "destroy"); 491 errstr = gctl_issue(r); 492 if (errstr != NULL && errstr[0] != '\0') { 493 /* 494 * Check if we reverted away the existence of the geom 495 * altogether. Show all other errors to the user. 496 */ 497 if (strtol(errstr, NULL, 0) != EINVAL) 498 gpart_show_error("Error", NULL, errstr); 499 } 500 gctl_free(r); 501 502 /* And any metadata associated with the partition scheme itself */ 503 delete_part_metadata(lg_geom->lg_name); 504 } 505 506 void 507 gpart_edit(struct gprovider *pp) 508 { 509 struct gctl_req *r; 510 struct gconfig *gc; 511 struct gconsumer *cp; 512 struct ggeom *geom; 513 const char *errstr, *oldtype, *scheme; 514 struct partition_metadata *md; 515 char sizestr[32]; 516 char newfs[255]; 517 intmax_t idx; 518 int hadlabel, choice, junk, nitems; 519 unsigned i; 520 521 DIALOG_FORMITEM items[] = { 522 {0, "Type:", 5, 0, 0, FALSE, "", 11, 0, 12, 15, 0, 523 FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-zfs, " 524 "freebsd-swap)", FALSE}, 525 {0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 0, 0, 526 FALSE, "Partition size. Append K, M, G for kilobytes, " 527 "megabytes or gigabytes.", FALSE}, 528 {0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0, 529 FALSE, "Path at which to mount this partition (leave blank " 530 "for swap, set to / for root filesystem)", FALSE}, 531 {0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE, 532 "Partition name. Not all partition schemes support this.", 533 FALSE}, 534 }; 535 536 /* 537 * Find the PART geom we are manipulating. This may be a consumer of 538 * this provider, or its parent. Check the consumer case first. 539 */ 540 geom = NULL; 541 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers) 542 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) { 543 /* Check for zombie geoms, treating them as blank */ 544 scheme = NULL; 545 LIST_FOREACH(gc, &cp->lg_geom->lg_config, lg_config) { 546 if (strcmp(gc->lg_name, "scheme") == 0) { 547 scheme = gc->lg_val; 548 break; 549 } 550 } 551 if (scheme == NULL || strcmp(scheme, "(none)") == 0) { 552 gpart_partition(cp->lg_geom->lg_name, NULL); 553 return; 554 } 555 556 /* If this is a nested partition, edit as usual */ 557 if (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0) 558 break; 559 560 /* Destroy the geom and all sub-partitions */ 561 gpart_destroy(cp->lg_geom); 562 563 /* Now re-partition and return */ 564 gpart_partition(cp->lg_geom->lg_name, NULL); 565 return; 566 } 567 568 if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0) 569 geom = pp->lg_geom; 570 571 if (geom == NULL) { 572 /* Disk not partitioned, so partition it */ 573 gpart_partition(pp->lg_name, NULL); 574 return; 575 } 576 577 LIST_FOREACH(gc, &geom->lg_config, lg_config) { 578 if (strcmp(gc->lg_name, "scheme") == 0) { 579 scheme = gc->lg_val; 580 break; 581 } 582 } 583 584 nitems = scheme_supports_labels(scheme) ? 4 : 3; 585 586 /* Edit editable parameters of a partition */ 587 hadlabel = 0; 588 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 589 if (strcmp(gc->lg_name, "type") == 0) { 590 oldtype = gc->lg_val; 591 items[0].text = gc->lg_val; 592 } 593 if (strcmp(gc->lg_name, "label") == 0 && gc->lg_val != NULL) { 594 hadlabel = 1; 595 items[3].text = gc->lg_val; 596 } 597 if (strcmp(gc->lg_name, "index") == 0) 598 idx = atoi(gc->lg_val); 599 } 600 601 TAILQ_FOREACH(md, &part_metadata, metadata) { 602 if (md->name != NULL && strcmp(md->name, pp->lg_name) == 0) { 603 if (md->fstab != NULL) 604 items[2].text = md->fstab->fs_file; 605 break; 606 } 607 } 608 609 humanize_number(sizestr, 7, pp->lg_mediasize, "B", HN_AUTOSCALE, 610 HN_NOSPACE | HN_DECIMAL); 611 items[1].text = sizestr; 612 613 editpart: 614 choice = dlg_form("Edit Partition", "", 0, 0, 0, nitems, items, &junk); 615 616 if (choice) /* Cancel pressed */ 617 goto endedit; 618 619 /* If this is the root partition, check that this fs is bootable */ 620 if (strcmp(items[2].text, "/") == 0 && !is_fs_bootable(scheme, 621 items[0].text)) { 622 char message[512]; 623 sprintf(message, "This file system (%s) is not bootable " 624 "on this system. Are you sure you want to proceed?", 625 items[0].text); 626 dialog_vars.defaultno = TRUE; 627 choice = dialog_yesno("Warning", message, 0, 0); 628 dialog_vars.defaultno = FALSE; 629 if (choice == 1) /* cancel */ 630 goto editpart; 631 } 632 633 /* Check if the label has a / in it */ 634 if (strchr(items[3].text, '/') != NULL) { 635 dialog_msgbox("Error", "Label contains a /, which is not an " 636 "allowed character.", 0, 0, TRUE); 637 goto editpart; 638 } 639 640 r = gctl_get_handle(); 641 gctl_ro_param(r, "class", -1, "PART"); 642 gctl_ro_param(r, "arg0", -1, geom->lg_name); 643 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 644 gctl_ro_param(r, "verb", -1, "modify"); 645 gctl_ro_param(r, "index", sizeof(idx), &idx); 646 if (hadlabel || items[3].text[0] != '\0') 647 gctl_ro_param(r, "label", -1, items[3].text); 648 gctl_ro_param(r, "type", -1, items[0].text); 649 errstr = gctl_issue(r); 650 if (errstr != NULL && errstr[0] != '\0') { 651 gpart_show_error("Error", NULL, errstr); 652 gctl_free(r); 653 goto editpart; 654 } 655 gctl_free(r); 656 657 newfs_command(items[0].text, newfs, 1); 658 set_default_part_metadata(pp->lg_name, scheme, items[0].text, 659 items[2].text, (strcmp(oldtype, items[0].text) != 0) ? 660 newfs : NULL); 661 662 endedit: 663 if (strcmp(oldtype, items[0].text) != 0 && cp != NULL) 664 gpart_destroy(cp->lg_geom); 665 if (strcmp(oldtype, items[0].text) != 0 && strcmp(items[0].text, 666 "freebsd") == 0) 667 gpart_partition(pp->lg_name, "BSD"); 668 669 for (i = 0; i < nitems(items); i++) 670 if (items[i].text_free) 671 free(items[i].text); 672 } 673 674 void 675 set_default_part_metadata(const char *name, const char *scheme, 676 const char *type, const char *mountpoint, const char *newfs) 677 { 678 struct partition_metadata *md; 679 char *zpool_name = NULL; 680 const char *default_bootmount = NULL; 681 int i; 682 683 /* Set part metadata */ 684 md = get_part_metadata(name, 1); 685 686 if (newfs) { 687 if (md->newfs != NULL) { 688 free(md->newfs); 689 md->newfs = NULL; 690 } 691 692 if (newfs != NULL && newfs[0] != '\0') { 693 md->newfs = malloc(strlen(newfs) + strlen(" /dev/") + 694 strlen(mountpoint) + 5 + strlen(name) + 1); 695 if (strcmp("freebsd-zfs", type) == 0) { 696 zpool_name = strdup((strlen(mountpoint) == 1) ? 697 "root" : &mountpoint[1]); 698 for (i = 0; zpool_name[i] != 0; i++) 699 if (!isalnum(zpool_name[i])) 700 zpool_name[i] = '_'; 701 sprintf(md->newfs, "%s %s /dev/%s", newfs, 702 zpool_name, name); 703 } else { 704 sprintf(md->newfs, "%s /dev/%s", newfs, name); 705 } 706 } 707 } 708 709 if (strcmp(type, "freebsd-swap") == 0) 710 mountpoint = "none"; 711 if (strcmp(type, bootpart_type(scheme, &default_bootmount)) == 0) { 712 if (default_bootmount == NULL) { 713 714 int fd = open("/tmp/bsdinstall-esps", O_CREAT | O_WRONLY | O_APPEND, 715 0600); 716 if (fd > 0) { 717 write(fd, md->name, strlen(md->name)); 718 close(fd); 719 } 720 721 md->bootcode = 1; 722 } 723 else if (mountpoint == NULL || strlen(mountpoint) == 0) 724 mountpoint = default_bootmount; 725 } 726 727 /* VTOC8 needs partcode at the start of partitions */ 728 if (strcmp(scheme, "VTOC8") == 0 && (strcmp(type, "freebsd-ufs") == 0 729 || strcmp(type, "freebsd-zfs") == 0)) 730 md->bootcode = 1; 731 732 if (mountpoint == NULL || mountpoint[0] == '\0') { 733 if (md->fstab != NULL) { 734 free(md->fstab->fs_spec); 735 free(md->fstab->fs_file); 736 free(md->fstab->fs_vfstype); 737 free(md->fstab->fs_mntops); 738 free(md->fstab->fs_type); 739 free(md->fstab); 740 md->fstab = NULL; 741 } 742 } else { 743 if (md->fstab == NULL) { 744 md->fstab = malloc(sizeof(struct fstab)); 745 } else { 746 free(md->fstab->fs_spec); 747 free(md->fstab->fs_file); 748 free(md->fstab->fs_vfstype); 749 free(md->fstab->fs_mntops); 750 free(md->fstab->fs_type); 751 } 752 if (strcmp("freebsd-zfs", type) == 0) { 753 md->fstab->fs_spec = strdup(zpool_name); 754 } else { 755 md->fstab->fs_spec = malloc(strlen(name) + 756 strlen("/dev/") + 1); 757 sprintf(md->fstab->fs_spec, "/dev/%s", name); 758 } 759 md->fstab->fs_file = strdup(mountpoint); 760 /* Get VFS from text after freebsd-, if possible */ 761 if (strncmp("freebsd-", type, 8) == 0) 762 md->fstab->fs_vfstype = strdup(&type[8]); 763 else if (strcmp("fat32", type) == 0 || strcmp("efi", type) == 0 764 || strcmp("ms-basic-data", type) == 0) 765 md->fstab->fs_vfstype = strdup("msdosfs"); 766 else 767 md->fstab->fs_vfstype = strdup(type); /* Guess */ 768 if (strcmp(type, "freebsd-swap") == 0) { 769 md->fstab->fs_type = strdup(FSTAB_SW); 770 md->fstab->fs_freq = 0; 771 md->fstab->fs_passno = 0; 772 } else if (strcmp(type, "freebsd-zfs") == 0) { 773 md->fstab->fs_type = strdup(FSTAB_RW); 774 md->fstab->fs_freq = 0; 775 md->fstab->fs_passno = 0; 776 } else { 777 md->fstab->fs_type = strdup(FSTAB_RW); 778 if (strcmp(mountpoint, "/") == 0) { 779 md->fstab->fs_freq = 1; 780 md->fstab->fs_passno = 1; 781 } else { 782 md->fstab->fs_freq = 2; 783 md->fstab->fs_passno = 2; 784 } 785 } 786 md->fstab->fs_mntops = strdup(md->fstab->fs_type); 787 } 788 789 if (zpool_name != NULL) 790 free(zpool_name); 791 } 792 793 static 794 int part_compare(const void *xa, const void *xb) 795 { 796 struct gprovider **a = (struct gprovider **)xa; 797 struct gprovider **b = (struct gprovider **)xb; 798 intmax_t astart, bstart; 799 struct gconfig *gc; 800 801 astart = bstart = 0; 802 LIST_FOREACH(gc, &(*a)->lg_config, lg_config) 803 if (strcmp(gc->lg_name, "start") == 0) { 804 astart = strtoimax(gc->lg_val, NULL, 0); 805 break; 806 } 807 LIST_FOREACH(gc, &(*b)->lg_config, lg_config) 808 if (strcmp(gc->lg_name, "start") == 0) { 809 bstart = strtoimax(gc->lg_val, NULL, 0); 810 break; 811 } 812 813 if (astart < bstart) 814 return -1; 815 else if (astart > bstart) 816 return 1; 817 else 818 return 0; 819 } 820 821 intmax_t 822 gpart_max_free(struct ggeom *geom, intmax_t *npartstart) 823 { 824 struct gconfig *gc; 825 struct gprovider *pp, **providers; 826 intmax_t sectorsize, stripesize, offset; 827 intmax_t lastend; 828 intmax_t start, end; 829 intmax_t maxsize, maxstart; 830 intmax_t partstart, partend; 831 int i, nparts; 832 833 /* Now get the maximum free size and free start */ 834 start = end = 0; 835 LIST_FOREACH(gc, &geom->lg_config, lg_config) { 836 if (strcmp(gc->lg_name, "first") == 0) 837 start = strtoimax(gc->lg_val, NULL, 0); 838 if (strcmp(gc->lg_name, "last") == 0) 839 end = strtoimax(gc->lg_val, NULL, 0); 840 } 841 842 i = nparts = 0; 843 LIST_FOREACH(pp, &geom->lg_provider, lg_provider) 844 nparts++; 845 providers = calloc(nparts, sizeof(providers[0])); 846 LIST_FOREACH(pp, &geom->lg_provider, lg_provider) 847 providers[i++] = pp; 848 qsort(providers, nparts, sizeof(providers[0]), part_compare); 849 850 lastend = start - 1; 851 maxsize = 0; 852 for (i = 0; i < nparts; i++) { 853 pp = providers[i]; 854 855 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 856 if (strcmp(gc->lg_name, "start") == 0) 857 partstart = strtoimax(gc->lg_val, NULL, 0); 858 if (strcmp(gc->lg_name, "end") == 0) 859 partend = strtoimax(gc->lg_val, NULL, 0); 860 } 861 862 if (partstart - lastend > maxsize) { 863 maxsize = partstart - lastend - 1; 864 maxstart = lastend + 1; 865 } 866 867 lastend = partend; 868 } 869 870 if (end - lastend > maxsize) { 871 maxsize = end - lastend; 872 maxstart = lastend + 1; 873 } 874 875 pp = LIST_FIRST(&geom->lg_consumer)->lg_provider; 876 877 /* 878 * Round the start and size of the largest available space up to 879 * the nearest multiple of the adjusted stripe size. 880 * 881 * The adjusted stripe size is the least common multiple of the 882 * actual stripe size, or the sector size if no stripe size was 883 * reported, and 4096. The reason for this is that contemporary 884 * disks often have 4096-byte physical sectors but report 512 885 * bytes instead for compatibility with older / broken operating 886 * systems and BIOSes. For the same reasons, virtualized storage 887 * may also report a 512-byte stripe size, or none at all. 888 */ 889 sectorsize = pp->lg_sectorsize; 890 if ((stripesize = pp->lg_stripesize) == 0) 891 stripesize = sectorsize; 892 while (stripesize % 4096 != 0) 893 stripesize *= 2; 894 if ((offset = maxstart * sectorsize % stripesize) != 0) { 895 offset = (stripesize - offset) / sectorsize; 896 maxstart += offset; 897 maxsize -= offset; 898 } 899 900 if (npartstart != NULL) 901 *npartstart = maxstart; 902 903 return (maxsize); 904 } 905 906 static size_t 907 add_boot_partition(struct ggeom *geom, struct gprovider *pp, 908 const char *scheme, int interactive) 909 { 910 struct gconfig *gc; 911 struct gprovider *ppi; 912 int choice; 913 914 /* Check for existing freebsd-boot partition */ 915 LIST_FOREACH(ppi, &geom->lg_provider, lg_provider) { 916 struct partition_metadata *md; 917 const char *bootmount = NULL; 918 919 LIST_FOREACH(gc, &ppi->lg_config, lg_config) 920 if (strcmp(gc->lg_name, "type") == 0) 921 break; 922 if (gc == NULL) 923 continue; 924 if (strcmp(gc->lg_val, bootpart_type(scheme, &bootmount)) != 0) 925 continue; 926 927 /* 928 * If the boot partition is not mountable and needs partcode, 929 * but doesn't have it, it doesn't satisfy our requirements. 930 */ 931 md = get_part_metadata(ppi->lg_name, 0); 932 if (bootmount == NULL && (md == NULL || !md->bootcode)) 933 continue; 934 935 /* If it is mountable, but mounted somewhere else, remount */ 936 if (bootmount != NULL && md != NULL && md->fstab != NULL 937 && strlen(md->fstab->fs_file) > 0 938 && strcmp(md->fstab->fs_file, bootmount) != 0) 939 continue; 940 941 /* If it is mountable, but mountpoint is not set, mount it */ 942 if (bootmount != NULL && md == NULL) 943 set_default_part_metadata(ppi->lg_name, scheme, 944 gc->lg_val, bootmount, NULL); 945 946 /* Looks good at this point, no added data needed */ 947 return (0); 948 } 949 950 if (interactive) 951 choice = dialog_yesno("Boot Partition", 952 "This partition scheme requires a boot partition " 953 "for the disk to be bootable. Would you like to " 954 "make one now?", 0, 0); 955 else 956 choice = 0; 957 958 if (choice == 0) { /* yes */ 959 struct partition_metadata *md; 960 const char *bootmount = NULL; 961 char *bootpartname = NULL; 962 char sizestr[7]; 963 964 humanize_number(sizestr, 7, 965 bootpart_size(scheme), "B", HN_AUTOSCALE, 966 HN_NOSPACE | HN_DECIMAL); 967 968 gpart_create(pp, bootpart_type(scheme, &bootmount), 969 sizestr, bootmount, &bootpartname, 0); 970 971 if (bootpartname == NULL) /* Error reported to user already */ 972 return 0; 973 974 /* If the part is not mountable, make sure newfs isn't set */ 975 if (bootmount == NULL) { 976 md = get_part_metadata(bootpartname, 0); 977 if (md != NULL && md->newfs != NULL) { 978 free(md->newfs); 979 md->newfs = NULL; 980 } 981 } 982 983 free(bootpartname); 984 985 return (bootpart_size(scheme)); 986 } 987 988 return (0); 989 } 990 991 void 992 gpart_create(struct gprovider *pp, const char *default_type, 993 const char *default_size, const char *default_mountpoint, 994 char **partname, int interactive) 995 { 996 struct gctl_req *r; 997 struct gconfig *gc; 998 struct gconsumer *cp; 999 struct ggeom *geom; 1000 const char *errstr, *scheme; 1001 char sizestr[32], startstr[32], output[64], *newpartname; 1002 char newfs[255], options_fstype[64]; 1003 intmax_t maxsize, size, sector, firstfree, stripe; 1004 uint64_t bytes; 1005 int nitems, choice, junk; 1006 unsigned i; 1007 1008 DIALOG_FORMITEM items[] = { 1009 {0, "Type:", 5, 0, 0, FALSE, "freebsd-ufs", 11, 0, 12, 15, 0, 1010 FALSE, "Filesystem type (e.g. freebsd-ufs, freebsd-zfs, " 1011 "freebsd-swap)", FALSE}, 1012 {0, "Size:", 5, 1, 0, FALSE, "", 11, 1, 12, 15, 0, 1013 FALSE, "Partition size. Append K, M, G for kilobytes, " 1014 "megabytes or gigabytes.", FALSE}, 1015 {0, "Mountpoint:", 11, 2, 0, FALSE, "", 11, 2, 12, 15, 0, 1016 FALSE, "Path at which to mount partition (blank for " 1017 "swap, / for root filesystem)", FALSE}, 1018 {0, "Label:", 7, 3, 0, FALSE, "", 11, 3, 12, 15, 0, FALSE, 1019 "Partition name. Not all partition schemes support this.", 1020 FALSE}, 1021 }; 1022 1023 if (partname != NULL) 1024 *partname = NULL; 1025 1026 /* Record sector and stripe sizes */ 1027 sector = pp->lg_sectorsize; 1028 stripe = pp->lg_stripesize; 1029 1030 /* 1031 * Find the PART geom we are manipulating. This may be a consumer of 1032 * this provider, or its parent. Check the consumer case first. 1033 */ 1034 geom = NULL; 1035 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers) 1036 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) { 1037 geom = cp->lg_geom; 1038 break; 1039 } 1040 1041 if (geom == NULL && strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0) 1042 geom = pp->lg_geom; 1043 1044 /* Now get the partition scheme */ 1045 scheme = NULL; 1046 if (geom != NULL) { 1047 LIST_FOREACH(gc, &geom->lg_config, lg_config) 1048 if (strcmp(gc->lg_name, "scheme") == 0) 1049 scheme = gc->lg_val; 1050 } 1051 1052 if (geom == NULL || scheme == NULL || strcmp(scheme, "(none)") == 0) { 1053 if (gpart_partition(pp->lg_name, NULL) == 0) 1054 dialog_msgbox("", 1055 "The partition table has been successfully created." 1056 " Please press Create again to create partitions.", 1057 0, 0, TRUE); 1058 1059 return; 1060 } 1061 1062 /* 1063 * If we still don't have a geom, either the user has 1064 * canceled partitioning or there has been an error which has already 1065 * been displayed, so bail. 1066 */ 1067 if (geom == NULL) 1068 return; 1069 1070 maxsize = size = gpart_max_free(geom, &firstfree); 1071 if (size <= 0) { 1072 dialog_msgbox("Error", "No free space left on device.", 0, 0, 1073 TRUE); 1074 return; 1075 } 1076 1077 humanize_number(sizestr, 7, size*sector, "B", HN_AUTOSCALE, 1078 HN_NOSPACE | HN_DECIMAL); 1079 items[1].text = sizestr; 1080 1081 /* Special-case the MBR default type for nested partitions */ 1082 if (strcmp(scheme, "MBR") == 0) { 1083 items[0].text = "freebsd"; 1084 items[0].help = "Filesystem type (e.g. freebsd, fat32)"; 1085 } 1086 1087 nitems = scheme_supports_labels(scheme) ? 4 : 3; 1088 1089 if (default_type != NULL) 1090 items[0].text = (char *)default_type; 1091 if (default_size != NULL) 1092 items[1].text = (char *)default_size; 1093 if (default_mountpoint != NULL) 1094 items[2].text = (char *)default_mountpoint; 1095 1096 /* Default options */ 1097 strncpy(options_fstype, items[0].text, 1098 sizeof(options_fstype)); 1099 newfs_command(options_fstype, newfs, 1); 1100 addpartform: 1101 if (interactive) { 1102 dialog_vars.extra_label = "Options"; 1103 dialog_vars.extra_button = TRUE; 1104 choice = dlg_form("Add Partition", "", 0, 0, 0, nitems, 1105 items, &junk); 1106 dialog_vars.extra_button = FALSE; 1107 switch (choice) { 1108 case 0: /* OK */ 1109 break; 1110 case 1: /* Cancel */ 1111 return; 1112 case 3: /* Options */ 1113 strncpy(options_fstype, items[0].text, 1114 sizeof(options_fstype)); 1115 newfs_command(options_fstype, newfs, 0); 1116 goto addpartform; 1117 } 1118 } 1119 1120 /* 1121 * If the user changed the fs type after specifying options, undo 1122 * their choices in favor of the new filesystem's defaults. 1123 */ 1124 if (strcmp(options_fstype, items[0].text) != 0) { 1125 strncpy(options_fstype, items[0].text, sizeof(options_fstype)); 1126 newfs_command(options_fstype, newfs, 1); 1127 } 1128 1129 size = maxsize; 1130 if (strlen(items[1].text) > 0) { 1131 if (expand_number(items[1].text, &bytes) != 0) { 1132 char error[512]; 1133 1134 sprintf(error, "Invalid size: %s\n", strerror(errno)); 1135 dialog_msgbox("Error", error, 0, 0, TRUE); 1136 goto addpartform; 1137 } 1138 size = MIN((intmax_t)(bytes/sector), maxsize); 1139 } 1140 1141 /* Check if the label has a / in it */ 1142 if (strchr(items[3].text, '/') != NULL) { 1143 dialog_msgbox("Error", "Label contains a /, which is not an " 1144 "allowed character.", 0, 0, TRUE); 1145 goto addpartform; 1146 } 1147 1148 /* Warn if no mountpoint set */ 1149 if (strcmp(items[0].text, "freebsd-ufs") == 0 && 1150 items[2].text[0] != '/') { 1151 choice = 0; 1152 if (interactive) { 1153 dialog_vars.defaultno = TRUE; 1154 choice = dialog_yesno("Warning", 1155 "This partition does not have a valid mountpoint " 1156 "(for the partition from which you intend to boot the " 1157 "operating system, the mountpoint should be /). Are you " 1158 "sure you want to continue?" 1159 , 0, 0); 1160 dialog_vars.defaultno = FALSE; 1161 } 1162 if (choice == 1) /* cancel */ 1163 goto addpartform; 1164 } 1165 1166 /* 1167 * Error if this scheme needs nested partitions, this is one, and 1168 * a mountpoint was set. 1169 */ 1170 if (strcmp(items[0].text, "freebsd") == 0 && 1171 strlen(items[2].text) > 0) { 1172 dialog_msgbox("Error", "Partitions of type \"freebsd\" are " 1173 "nested BSD-type partition schemes and cannot have " 1174 "mountpoints. After creating one, select it and press " 1175 "Create again to add the actual file systems.", 0, 0, TRUE); 1176 goto addpartform; 1177 } 1178 1179 /* If this is the root partition, check that this scheme is bootable */ 1180 if (strcmp(items[2].text, "/") == 0 && !is_scheme_bootable(scheme)) { 1181 char message[512]; 1182 sprintf(message, "This partition scheme (%s) is not bootable " 1183 "on this platform. Are you sure you want to proceed?", 1184 scheme); 1185 dialog_vars.defaultno = TRUE; 1186 choice = dialog_yesno("Warning", message, 0, 0); 1187 dialog_vars.defaultno = FALSE; 1188 if (choice == 1) /* cancel */ 1189 goto addpartform; 1190 } 1191 1192 /* If this is the root partition, check that this fs is bootable */ 1193 if (strcmp(items[2].text, "/") == 0 && !is_fs_bootable(scheme, 1194 items[0].text)) { 1195 char message[512]; 1196 sprintf(message, "This file system (%s) is not bootable " 1197 "on this system. Are you sure you want to proceed?", 1198 items[0].text); 1199 dialog_vars.defaultno = TRUE; 1200 choice = dialog_yesno("Warning", message, 0, 0); 1201 dialog_vars.defaultno = FALSE; 1202 if (choice == 1) /* cancel */ 1203 goto addpartform; 1204 } 1205 1206 /* 1207 * If this is the root partition, and we need a boot partition, ask 1208 * the user to add one. 1209 */ 1210 1211 if ((strcmp(items[0].text, "freebsd") == 0 || 1212 strcmp(items[2].text, "/") == 0) && bootpart_size(scheme) > 0) { 1213 size_t bytes = add_boot_partition(geom, pp, scheme, 1214 interactive); 1215 1216 /* Now adjust the part we are really adding forward */ 1217 if (bytes > 0) { 1218 firstfree += bytes / sector; 1219 size -= (bytes + stripe)/sector; 1220 if (stripe > 0 && (firstfree*sector % stripe) != 0) 1221 firstfree += (stripe - ((firstfree*sector) % 1222 stripe)) / sector; 1223 } 1224 } 1225 1226 r = gctl_get_handle(); 1227 gctl_ro_param(r, "class", -1, "PART"); 1228 gctl_ro_param(r, "arg0", -1, geom->lg_name); 1229 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 1230 gctl_ro_param(r, "verb", -1, "add"); 1231 1232 gctl_ro_param(r, "type", -1, items[0].text); 1233 snprintf(sizestr, sizeof(sizestr), "%jd", size); 1234 gctl_ro_param(r, "size", -1, sizestr); 1235 snprintf(startstr, sizeof(startstr), "%jd", firstfree); 1236 gctl_ro_param(r, "start", -1, startstr); 1237 if (items[3].text[0] != '\0') 1238 gctl_ro_param(r, "label", -1, items[3].text); 1239 gctl_rw_param(r, "output", sizeof(output), output); 1240 errstr = gctl_issue(r); 1241 if (errstr != NULL && errstr[0] != '\0') { 1242 gpart_show_error("Error", NULL, errstr); 1243 gctl_free(r); 1244 goto addpartform; 1245 } 1246 newpartname = strtok(output, " "); 1247 gctl_free(r); 1248 1249 /* 1250 * Try to destroy any geom that gpart picked up already here from 1251 * dirty blocks. 1252 */ 1253 r = gctl_get_handle(); 1254 gctl_ro_param(r, "class", -1, "PART"); 1255 gctl_ro_param(r, "arg0", -1, newpartname); 1256 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 1257 junk = 1; 1258 gctl_ro_param(r, "force", sizeof(junk), &junk); 1259 gctl_ro_param(r, "verb", -1, "destroy"); 1260 gctl_issue(r); /* Error usually expected and non-fatal */ 1261 gctl_free(r); 1262 1263 1264 if (strcmp(items[0].text, "freebsd") == 0) 1265 gpart_partition(newpartname, "BSD"); 1266 else 1267 set_default_part_metadata(newpartname, scheme, 1268 items[0].text, items[2].text, newfs); 1269 1270 for (i = 0; i < nitems(items); i++) 1271 if (items[i].text_free) 1272 free(items[i].text); 1273 1274 if (partname != NULL) 1275 *partname = strdup(newpartname); 1276 } 1277 1278 void 1279 gpart_delete(struct gprovider *pp) 1280 { 1281 struct gconfig *gc; 1282 struct ggeom *geom; 1283 struct gconsumer *cp; 1284 struct gctl_req *r; 1285 const char *errstr; 1286 intmax_t idx; 1287 int is_partition; 1288 1289 /* Is it a partition? */ 1290 is_partition = (strcmp(pp->lg_geom->lg_class->lg_name, "PART") == 0); 1291 1292 /* Find out if this is the root of a gpart geom */ 1293 geom = NULL; 1294 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers) 1295 if (strcmp(cp->lg_geom->lg_class->lg_name, "PART") == 0) { 1296 geom = cp->lg_geom; 1297 break; 1298 } 1299 1300 /* If so, destroy all children */ 1301 if (geom != NULL) { 1302 gpart_destroy(geom); 1303 1304 /* If this is a partition, revert it, so it can be deleted */ 1305 if (is_partition) { 1306 r = gctl_get_handle(); 1307 gctl_ro_param(r, "class", -1, "PART"); 1308 gctl_ro_param(r, "arg0", -1, geom->lg_name); 1309 gctl_ro_param(r, "verb", -1, "undo"); 1310 gctl_issue(r); /* Ignore non-fatal errors */ 1311 gctl_free(r); 1312 } 1313 } 1314 1315 /* 1316 * If this is not a partition, see if that is a problem, complain if 1317 * necessary, and return always, since we need not do anything further, 1318 * error or no. 1319 */ 1320 if (!is_partition) { 1321 if (geom == NULL) 1322 dialog_msgbox("Error", 1323 "Only partitions can be deleted.", 0, 0, TRUE); 1324 return; 1325 } 1326 1327 r = gctl_get_handle(); 1328 gctl_ro_param(r, "class", -1, pp->lg_geom->lg_class->lg_name); 1329 gctl_ro_param(r, "arg0", -1, pp->lg_geom->lg_name); 1330 gctl_ro_param(r, "flags", -1, GPART_FLAGS); 1331 gctl_ro_param(r, "verb", -1, "delete"); 1332 1333 LIST_FOREACH(gc, &pp->lg_config, lg_config) { 1334 if (strcmp(gc->lg_name, "index") == 0) { 1335 idx = atoi(gc->lg_val); 1336 gctl_ro_param(r, "index", sizeof(idx), &idx); 1337 break; 1338 } 1339 } 1340 1341 errstr = gctl_issue(r); 1342 if (errstr != NULL && errstr[0] != '\0') { 1343 gpart_show_error("Error", NULL, errstr); 1344 gctl_free(r); 1345 return; 1346 } 1347 1348 gctl_free(r); 1349 1350 delete_part_metadata(pp->lg_name); 1351 } 1352 1353 void 1354 gpart_revert_all(struct gmesh *mesh) 1355 { 1356 struct gclass *classp; 1357 struct gconfig *gc; 1358 struct ggeom *gp; 1359 struct gctl_req *r; 1360 const char *modified; 1361 1362 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 1363 if (strcmp(classp->lg_name, "PART") == 0) 1364 break; 1365 } 1366 1367 if (strcmp(classp->lg_name, "PART") != 0) { 1368 dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE); 1369 return; 1370 } 1371 1372 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 1373 modified = "true"; /* XXX: If we don't know (kernel too old), 1374 * assume there are modifications. */ 1375 LIST_FOREACH(gc, &gp->lg_config, lg_config) { 1376 if (strcmp(gc->lg_name, "modified") == 0) { 1377 modified = gc->lg_val; 1378 break; 1379 } 1380 } 1381 1382 if (strcmp(modified, "false") == 0) 1383 continue; 1384 1385 r = gctl_get_handle(); 1386 gctl_ro_param(r, "class", -1, "PART"); 1387 gctl_ro_param(r, "arg0", -1, gp->lg_name); 1388 gctl_ro_param(r, "verb", -1, "undo"); 1389 1390 gctl_issue(r); 1391 gctl_free(r); 1392 } 1393 } 1394 1395 void 1396 gpart_commit(struct gmesh *mesh) 1397 { 1398 struct partition_metadata *md; 1399 struct gclass *classp; 1400 struct ggeom *gp; 1401 struct gconfig *gc; 1402 struct gconsumer *cp; 1403 struct gprovider *pp; 1404 struct gctl_req *r; 1405 const char *errstr; 1406 const char *modified; 1407 const char *rootfs; 1408 1409 LIST_FOREACH(classp, &mesh->lg_class, lg_class) { 1410 if (strcmp(classp->lg_name, "PART") == 0) 1411 break; 1412 } 1413 1414 /* Figure out what filesystem / uses */ 1415 rootfs = "ufs"; /* Assume ufs if nothing else present */ 1416 TAILQ_FOREACH(md, &part_metadata, metadata) { 1417 if (md->fstab != NULL && strcmp(md->fstab->fs_file, "/") == 0) { 1418 rootfs = md->fstab->fs_vfstype; 1419 break; 1420 } 1421 } 1422 1423 if (strcmp(classp->lg_name, "PART") != 0) { 1424 dialog_msgbox("Error", "gpart not found!", 0, 0, TRUE); 1425 return; 1426 } 1427 1428 LIST_FOREACH(gp, &classp->lg_geom, lg_geom) { 1429 modified = "true"; /* XXX: If we don't know (kernel too old), 1430 * assume there are modifications. */ 1431 LIST_FOREACH(gc, &gp->lg_config, lg_config) { 1432 if (strcmp(gc->lg_name, "modified") == 0) { 1433 modified = gc->lg_val; 1434 break; 1435 } 1436 } 1437 1438 if (strcmp(modified, "false") == 0) 1439 continue; 1440 1441 /* Add bootcode if necessary, before the commit */ 1442 md = get_part_metadata(gp->lg_name, 0); 1443 if (md != NULL && md->bootcode) 1444 gpart_bootcode(gp); 1445 1446 /* Now install partcode on its partitions, if necessary */ 1447 LIST_FOREACH(pp, &gp->lg_provider, lg_provider) { 1448 md = get_part_metadata(pp->lg_name, 0); 1449 if (md == NULL || !md->bootcode) 1450 continue; 1451 1452 /* Mark this partition active if that's required */ 1453 gpart_activate(pp); 1454 1455 /* Check if the partition has sub-partitions */ 1456 LIST_FOREACH(cp, &pp->lg_consumers, lg_consumers) 1457 if (strcmp(cp->lg_geom->lg_class->lg_name, 1458 "PART") == 0) 1459 break; 1460 1461 if (cp == NULL) /* No sub-partitions */ 1462 gpart_partcode(pp, rootfs); 1463 } 1464 1465 r = gctl_get_handle(); 1466 gctl_ro_param(r, "class", -1, "PART"); 1467 gctl_ro_param(r, "arg0", -1, gp->lg_name); 1468 gctl_ro_param(r, "verb", -1, "commit"); 1469 1470 errstr = gctl_issue(r); 1471 if (errstr != NULL && errstr[0] != '\0') 1472 gpart_show_error("Error", NULL, errstr); 1473 gctl_free(r); 1474 } 1475 } 1476 1477