| 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 > SWAP_MAX) |
| 278 | swap = SWAP_MAX; |
| 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 | /* |
| 452 | * Maybe remove this limit entirely? |
| 453 | */ |
| 454 | if ((strcasecmp(mountpoint, "swap") == 0) && |
| 455 | (capacity > SWAP_MAX)) { |
| 456 | inform(a->c, _("Swap capacity is limited to %dG."), |
| 457 | SWAP_MAX / 1024); |
| 458 | valid = 0; |
| 459 | } |
| 460 | |
| 461 | /* |
| 462 | * If we made it through that obstacle course, all is well. |
| 463 | */ |
| 464 | |
| 465 | if (valid) |
| 466 | aura_dict_store(d, mountpoint, strlen(mountpoint) + 1, "", 1); |
| 467 | } |
| 468 | |
| 469 | if (!found_root) { |
| 470 | inform(a->c, _("You must include a / (root) subpartition.")); |
| 471 | valid = 0; |
| 472 | } |
| 473 | |
| 474 | if (aura_dict_size(d) > 16) { |
| 475 | inform(a->c, _("You cannot have more than 16 subpartitions " |
| 476 | "on a single primary partition. Remove some " |
| 477 | "and try again.")); |
| 478 | valid = 0; |
| 479 | } |
| 480 | |
| 481 | aura_dict_free(d); |
| 482 | |
| 483 | return(valid); |
| 484 | } |
| 485 | |
| 486 | static void |
| 487 | save_subpartition_selections(struct dfui_response *r, struct i_fn_args *a) |
| 488 | { |
| 489 | struct dfui_dataset *ds; |
| 490 | char tmpfsbacked; |
| 491 | const char *mountpoint, *capstring; |
| 492 | long capacity; |
| 493 | long bsize, fsize; |
| 494 | int softupdates; |
| 495 | int valid = 1; |
| 496 | |
| 497 | subpartitions_free(storage_get_selected_slice(a->s)); |
| 498 | |
| 499 | for (ds = dfui_response_dataset_get_first(r); valid && ds != NULL; |
| 500 | ds = dfui_dataset_get_next(ds)) { |
| 501 | mountpoint = dfui_dataset_get_value(ds, "mountpoint"); |
| 502 | capstring = dfui_dataset_get_value(ds, "capacity"); |
| 503 | |
| 504 | if (expert) { |
| 505 | softupdates = |
| 506 | (strcmp(dfui_dataset_get_value(ds, "softupdates"), "Y") == 0); |
| 507 | fsize = atol(dfui_dataset_get_value(ds, "fsize")); |
| 508 | bsize = atol(dfui_dataset_get_value(ds, "bsize")); |
| 509 | tmpfsbacked = (strcmp(dfui_dataset_get_value(ds, "tmpfsbacked"), "Y") == 0); |
| 510 | } else { |
| 511 | softupdates = (strcmp(mountpoint, "/") == 0 ? 0 : 1); |
| 512 | tmpfsbacked = 0; |
| 513 | fsize = -1; |
| 514 | bsize = -1; |
| 515 | } |
| 516 | |
| 517 | if (string_to_capacity(capstring, &capacity)) { |
| 518 | subpartition_new_ufs(storage_get_selected_slice(a->s), |
| 519 | mountpoint, capacity, |
| 520 | strcasecmp(dfui_dataset_get_value(ds, "encrypted"), "Y") == 0, |
| 521 | softupdates, fsize, bsize, tmpfsbacked); |
| 522 | } |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | static void |
| 527 | populate_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) |
| 528 | { |
| 529 | struct subpartition *sp; |
| 530 | struct dfui_dataset *ds; |
| 531 | char temp[32]; |
| 532 | int mtpt; |
| 533 | long capacity; |
| 534 | |
| 535 | if (slice_subpartition_first(storage_get_selected_slice(a->s)) != NULL) { |
| 536 | /* |
| 537 | * The user has already given us their subpartition |
| 538 | * preferences, so use them here. |
| 539 | */ |
| 540 | for (sp = slice_subpartition_first(storage_get_selected_slice(a->s)); |
| 541 | sp != NULL; sp = subpartition_next(sp)) { |
| 542 | ds = dfui_dataset_new(); |
| 543 | dfui_dataset_celldata_add(ds, "mountpoint", |
| 544 | subpartition_get_mountpoint(sp)); |
| 545 | dfui_dataset_celldata_add(ds, "capacity", |
| 546 | capacity_to_string(subpartition_get_capacity(sp))); |
| 547 | dfui_dataset_celldata_add(ds, "encrypted", |
| 548 | subpartition_is_encrypted(sp) ? "Y" : "N"); |
| 549 | if (expert) { |
| 550 | dfui_dataset_celldata_add(ds, "softupdates", |
| 551 | subpartition_is_softupdated(sp) ? "Y" : "N"); |
| 552 | dfui_dataset_celldata_add(ds, "tmpfsbacked", |
| 553 | subpartition_is_tmpfsbacked(sp) ? "Y" : "N"); |
| 554 | snprintf(temp, 32, "%ld", subpartition_get_fsize(sp)); |
| 555 | dfui_dataset_celldata_add(ds, "fsize", |
| 556 | temp); |
| 557 | snprintf(temp, 32, "%ld", subpartition_get_bsize(sp)); |
| 558 | dfui_dataset_celldata_add(ds, "bsize", |
| 559 | temp); |
| 560 | } |
| 561 | dfui_form_dataset_add(f, ds); |
| 562 | } |
| 563 | } else { |
| 564 | /* |
| 565 | * Otherwise, populate the form with datasets representing |
| 566 | * reasonably-calculated defaults. The defaults are chosen |
| 567 | * based on the slice's total capacity and the machine's |
| 568 | * total physical memory (for swap.) |
| 569 | */ |
| 570 | for (mtpt = 0; def_mountpt[mtpt] != NULL; mtpt++) { |
| 571 | capacity = default_capacity(a->s, mtpt); |
| 572 | ds = dfui_dataset_new(); |
| 573 | dfui_dataset_celldata_add(ds, "mountpoint", |
| 574 | def_mountpt[mtpt]); |
| 575 | dfui_dataset_celldata_add(ds, "capacity", |
| 576 | capacity_to_string(capacity)); |
| 577 | dfui_dataset_celldata_add(ds, "encrypted", "N"); |
| 578 | if (expert) { |
| 579 | dfui_dataset_celldata_add(ds, "softupdates", |
| 580 | strcmp(def_mountpt[mtpt], "/") != 0 ? "Y" : "N"); |
| 581 | dfui_dataset_celldata_add(ds, "tmpfsbacked", |
| 582 | "N"); |
| 583 | dfui_dataset_celldata_add(ds, "fsize", |
| 584 | capacity < 1024 ? "1024" : "2048"); |
| 585 | dfui_dataset_celldata_add(ds, "bsize", |
| 586 | capacity < 1024 ? "8192" : "16384"); |
| 587 | } |
| 588 | dfui_form_dataset_add(f, ds); |
| 589 | } |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | static int |
| 594 | warn_subpartition_selections(struct i_fn_args *a) |
| 595 | { |
| 596 | int valid = 0; |
| 597 | struct aura_buffer *omit, *consequences; |
| 598 | |
| 599 | omit = aura_buffer_new(2048); |
| 600 | consequences = aura_buffer_new(2048); |
| 601 | |
| 602 | valid = check_capacity(a); |
| 603 | if (subpartition_find(storage_get_selected_slice(a->s), "/var") == NULL) { |
| 604 | aura_buffer_cat(omit, "/var "); |
| 605 | aura_buffer_cat(consequences, _("/var will be a plain dir in /\n")); |
| 606 | } |
| 607 | if (subpartition_find(storage_get_selected_slice(a->s), "/usr") == NULL) { |
| 608 | aura_buffer_cat(omit, "/usr "); |
| 609 | aura_buffer_cat(consequences, _("/usr will be a plain dir in /\n")); |
| 610 | } |
| 611 | if (subpartition_find(storage_get_selected_slice(a->s), "/tmp") == NULL) { |
| 612 | aura_buffer_cat(omit, "/tmp "); |
| 613 | aura_buffer_cat(consequences, _("/tmp will be symlinked to /var/tmp\n")); |
| 614 | } |
| 615 | if (subpartition_find(storage_get_selected_slice(a->s), "/home") == NULL) { |
| 616 | aura_buffer_cat(omit, "/home "); |
| 617 | aura_buffer_cat(consequences, _("/home will be symlinked to /usr/home\n")); |
| 618 | } |
| 619 | |
| 620 | if (valid && aura_buffer_len(omit) > 0) { |
| 621 | switch (dfui_be_present_dialog(a->c, _("Really omit?"), |
| 622 | _("Omit Subpartition(s)|Return to Create Subpartitions"), |
| 623 | _("You have elected to not have the following " |
| 624 | "subpartition(s):\n\n%s\n\n" |
| 625 | "The ramifications of these subpartition(s) being " |
| 626 | "missing will be:\n\n%s\n" |
| 627 | "Is this really what you want to do?"), |
| 628 | aura_buffer_buf(omit), aura_buffer_buf(consequences))) { |
| 629 | case 1: |
| 630 | valid = 1; |
| 631 | break; |
| 632 | case 2: |
| 633 | valid = 0; |
| 634 | break; |
| 635 | default: |
| 636 | abort_backend(); |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | aura_buffer_free(omit); |
| 641 | aura_buffer_free(consequences); |
| 642 | |
| 643 | return(!valid); |
| 644 | } |
| 645 | |
| 646 | static int |
| 647 | warn_encrypted_root(struct i_fn_args *a) |
| 648 | { |
| 649 | int valid = 1; |
| 650 | struct subpartition *sp; |
| 651 | |
| 652 | sp = subpartition_find(storage_get_selected_slice(a->s), "/"); |
| 653 | if (sp == NULL) |
| 654 | return(!valid); |
| 655 | |
| 656 | if (subpartition_is_encrypted(sp)) { |
| 657 | switch (dfui_be_present_dialog(a->c, _("root cannot be encrypted"), |
| 658 | _("Leave root unencrypted|Return to Create Subpartitions"), |
| 659 | _("You have selected encryption for the root partition which " |
| 660 | "is not supported."))) { |
| 661 | case 1: |
| 662 | subpartition_clr_encrypted(sp); |
| 663 | valid = 1; |
| 664 | break; |
| 665 | case 2: |
| 666 | valid = 0; |
| 667 | break; |
| 668 | default: |
| 669 | abort_backend(); |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | return(!valid); |
| 674 | } |
| 675 | |
| 676 | static struct dfui_form * |
| 677 | make_create_subpartitions_form(struct i_fn_args *a) |
| 678 | { |
| 679 | struct dfui_field *fi; |
| 680 | struct dfui_form *f; |
| 681 | char msg_buf[1][1024]; |
| 682 | |
| 683 | snprintf(msg_buf[0], sizeof(msg_buf[0]), |
| 684 | _("Subpartitions further divide a primary partition for " |
| 685 | "use with %s. Some reasons you may want " |
| 686 | "a set of subpartitions are:\n\n" |
| 687 | "- you want to restrict how much data can be written " |
| 688 | "to certain parts of the primary partition, to quell " |
| 689 | "denial-of-service attacks; and\n" |
| 690 | "- you want to speed up access to data on the disk." |
| 691 | ""), OPERATING_SYSTEM_NAME); |
| 692 | |
| 693 | f = dfui_form_create( |
| 694 | "create_subpartitions", |
| 695 | _("Create Subpartitions"), |
| 696 | _("Set up the subpartitions (also known as just `partitions' " |
| 697 | "in BSD tradition) you want to have on this primary " |
| 698 | "partition.\n\n" |
| 699 | "For Capacity, use 'M' to indicate megabytes, 'G' to " |
| 700 | "indicate gigabytes, or a single '*' to indicate " |
| 701 | "'use the remaining space on the primary partition'."), |
| 702 | |
| 703 | msg_buf[0], |
| 704 | |
| 705 | "p", "special", "dfinstaller_create_subpartitions", |
| 706 | "p", "minimum_width","64", |
| 707 | |
| 708 | "f", "mountpoint", _("Mountpoint"), "", "", |
| 709 | "f", "capacity", _("Capacity"), "", "", |
| 710 | |
| 711 | "f", "encrypted", _("Encrypted"), "", "", |
| 712 | "p", "control", "checkbox", |
| 713 | |
| 714 | "a", "ok", _("Accept and Create"), "", "", |
| 715 | "a", "cancel", |
| 716 | (disk_get_formatted(storage_get_selected_disk(a->s)) ? |
| 717 | _("Return to Select Disk") : |
| 718 | _("Return to Select Primary Partition")), "", "", |
| 719 | "p", "accelerator", "ESC", |
| 720 | |
| 721 | NULL |
| 722 | ); |
| 723 | |
| 724 | dfui_form_set_multiple(f, 1); |
| 725 | dfui_form_set_extensible(f, 1); |
| 726 | |
| 727 | if (expert) { |
| 728 | fi = dfui_form_field_add(f, "softupdates", |
| 729 | dfui_info_new(_("Softupdates"), "", "")); |
| 730 | dfui_field_property_set(fi, "control", "checkbox"); |
| 731 | |
| 732 | fi = dfui_form_field_add(f, "tmpfsbacked", |
| 733 | dfui_info_new(_("TMPFS"), "", "")); |
| 734 | dfui_field_property_set(fi, "control", "checkbox"); |
| 735 | |
| 736 | fi = dfui_form_field_add(f, "fsize", |
| 737 | dfui_info_new(_("Frag Sz"), "", "")); |
| 738 | |
| 739 | fi = dfui_form_field_add(f, "bsize", |
| 740 | dfui_info_new(_("Block Sz"), "", "")); |
| 741 | |
| 742 | dfui_form_action_add(f, "switch", |
| 743 | dfui_info_new(_("Switch to Normal Mode"), "", "")); |
| 744 | } else { |
| 745 | dfui_form_action_add(f, "switch", |
| 746 | dfui_info_new(_("Switch to Expert Mode"), "", "")); |
| 747 | } |
| 748 | |
| 749 | return(f); |
| 750 | } |
| 751 | |
| 752 | /* |
| 753 | * Returns: |
| 754 | * -1 = the form should be redisplayed |
| 755 | * 0 = failure, function is over |
| 756 | * 1 = success, function is over |
| 757 | */ |
| 758 | static int |
| 759 | show_create_subpartitions_form(struct dfui_form *f, struct i_fn_args *a) |
| 760 | { |
| 761 | struct dfui_dataset *ds; |
| 762 | struct dfui_response *r; |
| 763 | |
| 764 | for (;;) { |
| 765 | if (dfui_form_dataset_get_first(f) == NULL) |
| 766 | populate_create_subpartitions_form(f, a); |
| 767 | |
| 768 | if (!dfui_be_present(a->c, f, &r)) |
| 769 | abort_backend(); |
| 770 | |
| 771 | if (strcmp(dfui_response_get_action_id(r), "cancel") == 0) { |
| 772 | dfui_response_free(r); |
| 773 | return(0); |
| 774 | } else if (strcmp(dfui_response_get_action_id(r), "switch") == 0) { |
| 775 | if (check_subpartition_selections(r, a)) { |
| 776 | save_subpartition_selections(r, a); |
| 777 | expert = expert ? 0 : 1; |
| 778 | dfui_response_free(r); |
| 779 | return(-1); |
| 780 | } |
| 781 | } else { |
| 782 | if (check_subpartition_selections(r, a)) { |
| 783 | save_subpartition_selections(r, a); |
| 784 | if (!warn_subpartition_selections(a) && |
| 785 | !warn_encrypted_root(a)) { |
| 786 | if (!create_subpartitions(a)) { |
| 787 | inform(a->c, _("The subpartitions you chose were " |
| 788 | "not correctly created, and the " |
| 789 | "primary partition may " |
| 790 | "now be in an inconsistent state. " |
| 791 | "We recommend re-formatting it " |
| 792 | "before proceeding.")); |
| 793 | dfui_response_free(r); |
| 794 | return(0); |
| 795 | } else { |
| 796 | dfui_response_free(r); |
| 797 | return(1); |
| 798 | } |
| 799 | } |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | dfui_form_datasets_free(f); |
| 804 | /* dfui_form_datasets_add_from_response(f, r); */ |
| 805 | for (ds = dfui_response_dataset_get_first(r); ds != NULL; |
| 806 | ds = dfui_dataset_get_next(ds)) { |
| 807 | dfui_form_dataset_add(f, dfui_dataset_dup(ds)); |
| 808 | } |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | void |
| 813 | fn_create_subpartitions_ufs(struct i_fn_args *a) |
| 814 | { |
| 815 | struct dfui_form *f; |
| 816 | int done = 0; |
| 817 | |
| 818 | a->result = 0; |
| 819 | while (!done) { |
| 820 | f = make_create_subpartitions_form(a); |
| 821 | switch (show_create_subpartitions_form(f, a)) { |
| 822 | case -1: |
| 823 | done = 0; |
| 824 | break; |
| 825 | case 0: |
| 826 | done = 1; |
| 827 | a->result = 0; |
| 828 | break; |
| 829 | case 1: |
| 830 | done = 1; |
| 831 | a->result = 1; |
| 832 | break; |
| 833 | } |
| 834 | dfui_form_free(f); |
| 835 | } |
| 836 | } |