1 /* $NetBSD: cd9660.c,v 1.56 2019/10/18 04:09:02 msaitoh Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause AND BSD-4-Clause 5 * 6 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 7 * Perez-Rathke and Ram Vedam. All rights reserved. 8 * 9 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 10 * Alan Perez-Rathke and Ram Vedam. 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer in the documentation and/or other materials provided 20 * with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 23 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 27 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 30 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 34 * OF SUCH DAMAGE. 35 */ 36 /* 37 * Copyright (c) 2001 Wasabi Systems, Inc. 38 * All rights reserved. 39 * 40 * Written by Luke Mewburn for Wasabi Systems, Inc. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed for the NetBSD Project by 53 * Wasabi Systems, Inc. 54 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 55 * or promote products derived from this software without specific prior 56 * written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 68 * POSSIBILITY OF SUCH DAMAGE. 69 */ 70 /* 71 * Copyright (c) 1982, 1986, 1989, 1993 72 * The Regents of the University of California. All rights reserved. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. Neither the name of the University nor the names of its contributors 83 * may be used to endorse or promote products derived from this software 84 * without specific prior written permission. 85 * 86 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 89 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 96 * SUCH DAMAGE. 97 * 98 */ 99 100 #include <sys/param.h> 101 #include <sys/queue.h> 102 #include <ctype.h> 103 #include <stdlib.h> 104 #include <string.h> 105 #include <util.h> 106 107 #include "makefs.h" 108 #include "cd9660.h" 109 #include "cd9660/iso9660_rrip.h" 110 111 static void cd9660_finalize_PVD(iso9660_disk *); 112 static cd9660node *cd9660_allocate_cd9660node(void); 113 static void cd9660_set_defaults(iso9660_disk *); 114 static int cd9660_arguments_set_string(const char *, const char *, size_t, 115 char, char *); 116 static void cd9660_populate_iso_dir_record( 117 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 118 const char *); 119 static void cd9660_setup_root_node(iso9660_disk *); 120 static int cd9660_setup_volume_descriptors(iso9660_disk *); 121 #if 0 122 static int cd9660_fill_extended_attribute_record(cd9660node *); 123 #endif 124 static void cd9660_sort_nodes(cd9660node *); 125 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 126 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 127 static int cd9660_compare_filename(const char *, const char *); 128 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 129 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 130 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 131 int); 132 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 133 static void cd9660_sorting_nodes(cd9660node *); 134 static int cd9660_count_collisions(cd9660node *); 135 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 136 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 137 138 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 139 int *, int *); 140 static void cd9660_free_structure(cd9660node *); 141 static int cd9660_generate_path_table(iso9660_disk *); 142 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 143 size_t, int); 144 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 145 size_t, int); 146 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, size_t, 147 int); 148 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 149 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 150 #if 0 151 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 152 #endif 153 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 154 cd9660node *, int, int); 155 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 156 cd9660node *, cd9660node *); 157 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 158 cd9660node *, cd9660node *); 159 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 160 cd9660node *); 161 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 162 163 164 /* 165 * Allocate and initialize a cd9660node 166 * @returns struct cd9660node * Pointer to new node, or NULL on error 167 */ 168 static cd9660node * 169 cd9660_allocate_cd9660node(void) 170 { 171 cd9660node *temp = ecalloc(1, sizeof(*temp)); 172 173 TAILQ_INIT(&temp->cn_children); 174 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 175 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 176 temp->node = NULL; 177 temp->isoDirRecord = NULL; 178 temp->isoExtAttributes = NULL; 179 temp->rr_real_parent = temp->rr_relocated = NULL; 180 temp->su_tail_data = NULL; 181 return temp; 182 } 183 184 /** 185 * Set default values for cd9660 extension to makefs 186 */ 187 static void 188 cd9660_set_defaults(iso9660_disk *diskStructure) 189 { 190 /*Fix the sector size for now, though the spec allows for other sizes*/ 191 diskStructure->sectorSize = 2048; 192 193 /* Set up defaults in our own structure */ 194 diskStructure->verbose_level = 0; 195 diskStructure->keep_bad_images = 0; 196 diskStructure->isoLevel = 2; 197 198 diskStructure->rock_ridge_enabled = 0; 199 diskStructure->rock_ridge_renamed_dir_name = 0; 200 diskStructure->rock_ridge_move_count = 0; 201 diskStructure->rr_moved_dir = 0; 202 203 diskStructure->chrp_boot = 0; 204 205 diskStructure->include_padding_areas = 1; 206 207 /* Spec breaking functionality */ 208 diskStructure->allow_deep_trees = 209 diskStructure->allow_start_dot = 210 diskStructure->allow_max_name = 211 diskStructure->allow_illegal_chars = 212 diskStructure->allow_lowercase = 213 diskStructure->allow_multidot = 214 diskStructure->omit_trailing_period = 0; 215 216 /* Make sure the PVD is clear */ 217 memset(&diskStructure->primaryDescriptor, 0, 2048); 218 219 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 220 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 221 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 222 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 223 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 224 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 225 226 strlcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD", 227 sizeof(diskStructure->primaryDescriptor.system_id)); 228 229 /* Boot support: Initially disabled */ 230 diskStructure->has_generic_bootimage = 0; 231 diskStructure->generic_bootimage = NULL; 232 233 diskStructure->boot_image_directory = 0; 234 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 235 236 diskStructure->is_bootable = 0; 237 TAILQ_INIT(&diskStructure->boot_images); 238 LIST_INIT(&diskStructure->boot_entries); 239 } 240 241 void 242 cd9660_prep_opts(fsinfo_t *fsopts) 243 { 244 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 245 246 #define OPT_STR(letter, name, desc) \ 247 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 248 249 #define OPT_NUM(letter, name, field, min, max, desc) \ 250 { letter, name, &diskStructure->field, \ 251 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 252 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 253 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 254 min, max, desc } 255 256 #define OPT_BOOL(letter, name, field, desc) \ 257 OPT_NUM(letter, name, field, 0, 1, desc) 258 259 const option_t cd9660_options[] = { 260 OPT_NUM('l', "isolevel", isoLevel, 261 1, 2, "ISO Level"), 262 OPT_NUM('v', "verbose", verbose_level, 263 0, 2, "Turns on verbose output"), 264 265 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 266 "Enable Rock-Ridge extensions"), 267 OPT_BOOL('C', "chrp-boot", chrp_boot, 268 "Enable CHRP boot"), 269 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 270 "Keep bad images"), 271 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 272 "Allow trees more than 8 levels"), 273 OPT_BOOL('a', "allow-max-name", allow_max_name, 274 "Allow 37 char filenames (unimplemented)"), 275 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 276 "Allow illegal characters in filenames"), 277 OPT_BOOL('m', "allow-multidot", allow_multidot, 278 "Allow multiple periods in filenames"), 279 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 280 "Omit trailing periods in filenames"), 281 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 282 "Allow lowercase characters in filenames"), 283 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 284 "Include padding areas"), 285 286 OPT_STR('A', "applicationid", "Application Identifier"), 287 OPT_STR('P', "publisher", "Publisher Identifier"), 288 OPT_STR('p', "preparer", "Preparer Identifier"), 289 OPT_STR('L', "label", "Disk Label"), 290 OPT_STR('V', "volumeid", "Volume Set Identifier"), 291 OPT_STR('B', "bootimage", "Boot image parameter"), 292 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 293 OPT_STR('\0', "bootimagedir", "Boot image directory"), 294 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 295 OPT_STR('\0', "no-boot", "No boot support"), 296 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 297 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 298 OPT_STR('\0', "platformid", "Section Header Platform ID"), 299 300 { .name = NULL } 301 }; 302 303 fsopts->fs_specific = diskStructure; 304 fsopts->fs_options = copy_opts(cd9660_options); 305 306 cd9660_set_defaults(diskStructure); 307 } 308 309 void 310 cd9660_cleanup_opts(fsinfo_t *fsopts) 311 { 312 free(fsopts->fs_specific); 313 free(fsopts->fs_options); 314 } 315 316 static int 317 cd9660_arguments_set_string(const char *val, const char *fieldtitle, 318 size_t length, char testmode, char *dest) 319 { 320 size_t len; 321 int test; 322 323 if (val == NULL) 324 warnx("error: '%s' requires a string argument", fieldtitle); 325 else if ((len = strlen(val)) <= length) { 326 if (testmode == 'd') 327 test = cd9660_valid_d_chars(val); 328 else 329 test = cd9660_valid_a_chars(val); 330 if (test) { 331 memcpy(dest, val, len); 332 if (test == 2) 333 cd9660_uppercase_characters(dest, len); 334 return 1; 335 } else 336 warnx("error: '%s' must be composed of %c-characters", 337 fieldtitle, testmode); 338 } else 339 warnx("error: '%s' must be at most 32 characters long", 340 fieldtitle); 341 return 0; 342 } 343 344 /* 345 * Command-line parsing function 346 */ 347 348 int 349 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 350 { 351 int rv, i; 352 iso9660_disk *diskStructure = fsopts->fs_specific; 353 option_t *cd9660_options = fsopts->fs_options; 354 char buf[1024]; 355 const char *name, *desc; 356 357 assert(option != NULL); 358 359 if (debug & DEBUG_FS_PARSE_OPTS) 360 printf("%s: got `%s'\n", __func__, option); 361 362 i = set_option(cd9660_options, option, buf, sizeof(buf)); 363 if (i == -1) 364 return 0; 365 366 if (cd9660_options[i].name == NULL) 367 abort(); 368 369 name = cd9660_options[i].name; 370 desc = cd9660_options[i].desc; 371 switch (cd9660_options[i].letter) { 372 case 'h': 373 case 'S': 374 rv = 0; /* this is not handled yet */ 375 break; 376 case 'L': 377 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 378 diskStructure->primaryDescriptor.volume_id); 379 break; 380 case 'A': 381 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 382 diskStructure->primaryDescriptor.application_id); 383 break; 384 case 'P': 385 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 386 diskStructure->primaryDescriptor.publisher_id); 387 break; 388 case 'p': 389 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 390 diskStructure->primaryDescriptor.preparer_id); 391 break; 392 case 'V': 393 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 394 diskStructure->primaryDescriptor.volume_set_id); 395 break; 396 /* Boot options */ 397 case 'B': 398 if (buf[0] == '\0') { 399 warnx("The Boot Image parameter requires a valid boot" 400 "information string"); 401 rv = 0; 402 } else 403 rv = cd9660_add_boot_disk(diskStructure, buf); 404 break; 405 case 'G': 406 if (buf[0] == '\0') { 407 warnx("The Generic Boot Image parameter requires a" 408 " valid boot information string"); 409 rv = 0; 410 } else 411 rv = cd9660_add_generic_bootimage(diskStructure, buf); 412 break; 413 default: 414 if (strcmp(name, "bootimagedir") == 0) { 415 /* 416 * XXXfvdl this is unused. 417 */ 418 if (buf[0] == '\0') { 419 warnx("The Boot Image Directory parameter" 420 " requires a directory name"); 421 rv = 0; 422 } else { 423 diskStructure->boot_image_directory = 424 emalloc(strlen(buf) + 1); 425 /* BIG TODO: Add the max length function here */ 426 rv = cd9660_arguments_set_string(buf, desc, 12, 427 'd', diskStructure->boot_image_directory); 428 } 429 } else if (strcmp(name, "no-emul-boot") == 0 || 430 strcmp(name, "no-boot") == 0 || 431 strcmp(name, "hard-disk-boot") == 0) { 432 /* RRIP */ 433 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 434 rv = 1; 435 } else if (strcmp(name, "boot-load-segment") == 0 || 436 strcmp(name, "platformid") == 0) { 437 if (buf[0] == '\0') { 438 warnx("Option `%s' doesn't contain a value", 439 name); 440 rv = 0; 441 } else { 442 cd9660_eltorito_add_boot_option(diskStructure, 443 name, buf); 444 rv = 1; 445 } 446 } else 447 rv = 1; 448 } 449 return rv; 450 } 451 452 /* 453 * Main function for cd9660_makefs 454 * Builds the ISO image file 455 * @param const char *image The image filename to create 456 * @param const char *dir The directory that is being read 457 * @param struct fsnode *root The root node of the filesystem tree 458 * @param struct fsinfo_t *fsopts Any options 459 */ 460 void 461 cd9660_makefs(const char *image, const char *dir, fsnode *root, 462 fsinfo_t *fsopts) 463 { 464 int64_t startoffset; 465 int ret, numDirectories; 466 uint64_t pathTableSectors; 467 int64_t firstAvailableSector; 468 int64_t totalSpace; 469 int error; 470 cd9660node *real_root; 471 iso9660_disk *diskStructure = fsopts->fs_specific; 472 473 if (diskStructure->verbose_level > 0) 474 printf("%s: ISO level is %i\n", __func__, 475 diskStructure->isoLevel); 476 if (diskStructure->isoLevel < 2 && 477 diskStructure->allow_multidot) 478 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 479 480 assert(image != NULL); 481 assert(dir != NULL); 482 assert(root != NULL); 483 484 if (diskStructure->verbose_level > 0) 485 printf("%s: image %s directory %s root %p\n", __func__, 486 image, dir, root); 487 488 /* Set up some constants. Later, these will be defined with options */ 489 490 /* Counter needed for path tables */ 491 numDirectories = 0; 492 493 /* Convert tree to our own format */ 494 /* Actually, we now need to add the REAL root node, at level 0 */ 495 496 real_root = cd9660_allocate_cd9660node(); 497 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 498 /* Leave filename blank for root */ 499 memset(real_root->isoDirRecord->name, 0, 500 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 501 502 real_root->level = 0; 503 diskStructure->rootNode = real_root; 504 real_root->type = CD9660_TYPE_DIR; 505 error = 0; 506 real_root->node = root; 507 cd9660_convert_structure(diskStructure, root, real_root, 1, 508 &numDirectories, &error); 509 510 if (TAILQ_EMPTY(&real_root->cn_children)) { 511 errx(EXIT_FAILURE, "%s: converted directory is empty. " 512 "Tree conversion failed", __func__); 513 } else if (error != 0) { 514 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 515 } else { 516 if (diskStructure->verbose_level > 0) 517 printf("%s: tree converted\n", __func__); 518 } 519 520 /* Add the dot and dot dot records */ 521 cd9660_add_dot_records(diskStructure, real_root); 522 523 cd9660_setup_root_node(diskStructure); 524 525 if (diskStructure->verbose_level > 0) 526 printf("%s: done converting tree\n", __func__); 527 528 /* Rock ridge / SUSP init pass */ 529 if (diskStructure->rock_ridge_enabled) { 530 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 531 diskStructure->rootNode, NULL); 532 } 533 534 /* Build path table structure */ 535 diskStructure->pathTableLength = cd9660_generate_path_table( 536 diskStructure); 537 538 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 539 diskStructure->pathTableLength); 540 541 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 542 if (diskStructure->is_bootable) { 543 firstAvailableSector = cd9660_setup_boot(diskStructure, 544 firstAvailableSector); 545 if (firstAvailableSector < 0) 546 errx(EXIT_FAILURE, "setup_boot failed"); 547 } 548 /* LE first, then BE */ 549 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 550 diskStructure->primaryBigEndianTableSector = 551 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 552 553 /* Set the secondary ones to -1, not going to use them for now */ 554 diskStructure->secondaryBigEndianTableSector = -1; 555 diskStructure->secondaryLittleEndianTableSector = -1; 556 557 diskStructure->dataFirstSector = 558 diskStructure->primaryBigEndianTableSector + pathTableSectors; 559 if (diskStructure->verbose_level > 0) 560 printf("%s: Path table conversion complete. " 561 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 562 __func__, 563 diskStructure->pathTableLength, pathTableSectors); 564 565 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 566 567 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 568 569 diskStructure->totalSectors = diskStructure->dataFirstSector + 570 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 571 572 /* Disabled until pass 1 is done */ 573 if (diskStructure->rock_ridge_enabled) { 574 diskStructure->susp_continuation_area_start_sector = 575 diskStructure->totalSectors; 576 diskStructure->totalSectors += 577 CD9660_BLOCKS(diskStructure->sectorSize, 578 diskStructure->susp_continuation_area_size); 579 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 580 } 581 582 583 cd9660_finalize_PVD(diskStructure); 584 585 /* Add padding sectors, just for testing purposes right now */ 586 /* diskStructure->totalSectors+=150; */ 587 588 /* Debugging output */ 589 if (diskStructure->verbose_level > 0) { 590 printf("%s: Sectors 0-15 reserved\n", __func__); 591 printf("%s: Primary path tables starts in sector %" 592 PRId64 "\n", __func__, 593 diskStructure->primaryLittleEndianTableSector); 594 printf("%s: File data starts in sector %" 595 PRId64 "\n", __func__, diskStructure->dataFirstSector); 596 printf("%s: Total sectors: %" 597 PRId64 "\n", __func__, diskStructure->totalSectors); 598 } 599 600 /* 601 * Add padding sectors at the end 602 * TODO: Clean this up and separate padding 603 */ 604 if (diskStructure->include_padding_areas) 605 diskStructure->totalSectors += 150; 606 607 ret = cd9660_write_image(diskStructure, image); 608 609 if (diskStructure->verbose_level > 1) { 610 debug_print_volume_descriptor_information(diskStructure); 611 debug_print_tree(diskStructure, real_root, 0); 612 debug_print_path_tree(real_root); 613 } 614 615 /* Clean up data structures */ 616 cd9660_free_structure(real_root); 617 618 if (diskStructure->verbose_level > 0) 619 printf("%s: done ret = %d\n", __func__, ret); 620 621 if (ret == 0) /* cd9660_write_image() failed */ 622 exit(1); 623 } 624 625 /* Generic function pointer - implement later */ 626 typedef int (*cd9660node_func)(cd9660node *); 627 628 static void 629 cd9660_finalize_PVD(iso9660_disk *diskStructure) 630 { 631 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 632 633 /* root should be a fixed size of 34 bytes since it has no name */ 634 memcpy(diskStructure->primaryDescriptor.root_directory_record, 635 diskStructure->rootNode->dot_record->isoDirRecord, 34); 636 637 /* In RRIP, this might be longer than 34 */ 638 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 639 640 /* Set up all the important numbers in the PVD */ 641 cd9660_bothendian_dword(diskStructure->totalSectors, 642 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 643 cd9660_bothendian_word(1, 644 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 645 cd9660_bothendian_word(1, 646 (unsigned char *) 647 diskStructure->primaryDescriptor.volume_sequence_number); 648 cd9660_bothendian_word(diskStructure->sectorSize, 649 (unsigned char *) 650 diskStructure->primaryDescriptor.logical_block_size); 651 cd9660_bothendian_dword(diskStructure->pathTableLength, 652 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 653 654 cd9660_731(diskStructure->primaryLittleEndianTableSector, 655 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 656 cd9660_732(diskStructure->primaryBigEndianTableSector, 657 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 658 659 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 660 661 /* Pad all strings with spaces instead of nulls */ 662 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 663 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 664 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 665 128); 666 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 667 128); 668 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 669 128); 670 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 671 128); 672 cd9660_pad_string_spaces( 673 diskStructure->primaryDescriptor.copyright_file_id, 37); 674 cd9660_pad_string_spaces( 675 diskStructure->primaryDescriptor.abstract_file_id, 37); 676 cd9660_pad_string_spaces( 677 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 678 679 /* Setup dates */ 680 cd9660_time_8426( 681 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 682 tstamp); 683 cd9660_time_8426( 684 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 685 tstamp); 686 687 #if 0 688 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 689 tstamp); 690 #endif 691 692 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16); 693 diskStructure->primaryDescriptor.expiration_date[16] = 0; 694 695 cd9660_time_8426( 696 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 697 tstamp); 698 /* make this sane */ 699 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date, 700 tstamp); 701 } 702 703 static void 704 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 705 u_char ext_attr_length, u_char flags, 706 u_char name_len, const char * name) 707 { 708 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 709 710 record->ext_attr_length[0] = ext_attr_length; 711 cd9660_time_915(record->date, tstamp); 712 record->flags[0] = ISO_FLAG_CLEAR | flags; 713 record->file_unit_size[0] = 0; 714 record->interleave[0] = 0; 715 cd9660_bothendian_word(1, record->volume_sequence_number); 716 record->name_len[0] = name_len; 717 memset(record->name, '\0', sizeof (record->name)); 718 memcpy(record->name, name, name_len); 719 record->length[0] = 33 + name_len; 720 721 /* Todo : better rounding */ 722 record->length[0] += (record->length[0] & 1) ? 1 : 0; 723 } 724 725 static void 726 cd9660_setup_root_node(iso9660_disk *diskStructure) 727 { 728 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 729 0, ISO_FLAG_DIRECTORY, 1, "\0"); 730 731 } 732 733 /*********** SUPPORT FUNCTIONS ***********/ 734 static int 735 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 736 { 737 /* Boot volume descriptor should come second */ 738 int sector = 16; 739 /* For now, a fixed 2 : PVD and terminator */ 740 volume_descriptor *temp, *t; 741 742 /* Set up the PVD */ 743 temp = emalloc(sizeof(*temp)); 744 temp->volumeDescriptorData = 745 (unsigned char *)&diskStructure->primaryDescriptor; 746 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 747 temp->volumeDescriptorData[6] = 1; 748 temp->sector = sector; 749 memcpy(temp->volumeDescriptorData + 1, 750 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 751 diskStructure->firstVolumeDescriptor = temp; 752 753 sector++; 754 /* Set up boot support if enabled. BVD must reside in sector 17 */ 755 if (diskStructure->is_bootable) { 756 t = emalloc(sizeof(*t)); 757 t->volumeDescriptorData = ecalloc(1, 2048); 758 temp->next = t; 759 temp = t; 760 t->sector = 17; 761 if (diskStructure->verbose_level > 0) 762 printf("Setting up boot volume descriptor\n"); 763 cd9660_setup_boot_volume_descriptor(diskStructure, t); 764 sector++; 765 } 766 767 /* Set up the terminator */ 768 t = emalloc(sizeof(*t)); 769 t->volumeDescriptorData = ecalloc(1, 2048); 770 temp->next = t; 771 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 772 t->next = NULL; 773 t->volumeDescriptorData[6] = 1; 774 t->sector = sector; 775 memcpy(t->volumeDescriptorData + 1, 776 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 777 778 sector++; 779 return sector; 780 } 781 782 #if 0 783 /* 784 * Populate EAR at some point. Not required, but is used by NetBSD's 785 * cd9660 support 786 */ 787 static int 788 cd9660_fill_extended_attribute_record(cd9660node *node) 789 { 790 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 791 return 1; 792 } 793 #endif 794 795 static int 796 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 797 { 798 u_char flag; 799 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 800 801 /* Now populate the isoDirRecord structure */ 802 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 803 804 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 805 temp, sizeof(temp), !(S_ISDIR(newnode->node->type))); 806 807 flag = ISO_FLAG_CLEAR; 808 if (S_ISDIR(newnode->node->type)) 809 flag |= ISO_FLAG_DIRECTORY; 810 811 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 812 flag, strlen(temp), temp); 813 814 cd9660_bothendian_dword(newnode->fileDataLength, 815 newnode->isoDirRecord->size); 816 /* If the file is a link, we want to set the size to 0 */ 817 if (S_ISLNK(newnode->node->type)) 818 newnode->fileDataLength = 0; 819 820 return 1; 821 } 822 823 /* 824 * Translate fsnode to cd9660node 825 * Translate filenames and other metadata, including dates, sizes, 826 * permissions, etc 827 * @param struct fsnode * The node generated by makefs 828 * @param struct cd9660node * The intermediate node to be written to 829 * @returns int 0 on failure, 1 on success 830 */ 831 static int 832 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 833 cd9660node *newnode) 834 { 835 if (node == NULL) { 836 if (diskStructure->verbose_level > 0) 837 printf("%s: NULL node passed, returning\n", __func__); 838 return 0; 839 } 840 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 841 /* Set the node pointer */ 842 newnode->node = node; 843 844 /* Set the size */ 845 if (!(S_ISDIR(node->type))) 846 newnode->fileDataLength = node->inode->st.st_size; 847 848 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 849 return 0; 850 851 /* Finally, overwrite some of the values that are set by default */ 852 cd9660_time_915(newnode->isoDirRecord->date, 853 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 854 855 return 1; 856 } 857 858 /* 859 * Compares two ISO filenames 860 * @param const char * The first file name 861 * @param const char * The second file name 862 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 863 * the second is greater than the first 864 */ 865 static int 866 cd9660_compare_filename(const char *first, const char *second) 867 { 868 /* 869 * This can be made more optimal once it has been tested 870 * (the extra character, for example, is for testing) 871 */ 872 873 int p1 = 0; 874 int p2 = 0; 875 char c1, c2; 876 /* First, on the filename */ 877 878 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 879 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 880 c1 = first[p1]; 881 c2 = second[p2]; 882 if (c1 == '.' && c2 =='.') 883 break; 884 else if (c1 == '.') { 885 p2++; 886 c1 = ' '; 887 } else if (c2 == '.') { 888 p1++; 889 c2 = ' '; 890 } else { 891 p1++; 892 p2++; 893 } 894 895 if (c1 < c2) 896 return -1; 897 else if (c1 > c2) { 898 return 1; 899 } 900 } 901 902 if (first[p1] == '.' && second[p2] == '.') { 903 p1++; 904 p2++; 905 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 906 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 907 c1 = first[p1]; 908 c2 = second[p2]; 909 if (c1 == ';' && c2 == ';') 910 break; 911 else if (c1 == ';') { 912 p2++; 913 c1 = ' '; 914 } else if (c2 == ';') { 915 p1++; 916 c2 = ' '; 917 } else { 918 p1++; 919 p2++; 920 } 921 922 if (c1 < c2) 923 return -1; 924 else if (c1 > c2) 925 return 1; 926 } 927 } 928 return 0; 929 } 930 931 /* 932 * Insert a node into list with ISO sorting rules 933 * @param cd9660node * The head node of the list 934 * @param cd9660node * The node to be inserted 935 */ 936 static void 937 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 938 { 939 int compare; 940 cd9660node *cn; 941 struct cd9660_children_head *head = &parent->cn_children; 942 943 /* TODO: Optimize? */ 944 cn_new->parent = parent; 945 946 /* 947 * first will either be 0, the . or the .. 948 * if . or .., this means no other entry may be written before first 949 * if 0, the new node may be inserted at the head 950 */ 951 952 TAILQ_FOREACH(cn, head, cn_next_child) { 953 /* 954 * Dont insert a node twice - 955 * that would cause an infinite loop 956 */ 957 if (cn_new == cn) 958 return; 959 960 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 961 cn->isoDirRecord->name); 962 963 if (compare == 0) 964 compare = cd9660_compare_filename(cn_new->node->name, 965 cn->node->name); 966 967 if (compare < 0) 968 break; 969 } 970 if (cn == NULL) 971 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 972 else 973 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 974 } 975 976 /* 977 * Called After cd9660_sorted_child_insert 978 * handles file collisions by suffixing each filename with ~n 979 * where n represents the files respective place in the ordering 980 */ 981 static int 982 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 983 int past) 984 { 985 cd9660node *iter, *next, *prev; 986 int skip; 987 int delete_chars = 0; 988 int temp_past = past; 989 int temp_skip; 990 int flag = 0; 991 cd9660node *end_of_range; 992 993 for (iter = TAILQ_FIRST(&colliding->cn_children); 994 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 995 if (strcmp(iter->isoDirRecord->name, 996 next->isoDirRecord->name) != 0) { 997 iter = TAILQ_NEXT(iter, cn_next_child); 998 continue; 999 } 1000 flag = 1; 1001 temp_skip = skip = cd9660_count_collisions(iter); 1002 end_of_range = iter; 1003 while (temp_skip > 0) { 1004 temp_skip--; 1005 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1006 } 1007 temp_past = past; 1008 while (temp_past > 0) { 1009 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1010 end_of_range = next; 1011 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1012 iter = prev; 1013 else 1014 delete_chars++; 1015 temp_past--; 1016 } 1017 skip += past; 1018 iter = cd9660_rename_filename(diskStructure, iter, skip, 1019 delete_chars); 1020 } 1021 return flag; 1022 } 1023 1024 1025 static cd9660node * 1026 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1027 int delete_chars) 1028 { 1029 int i = 0; 1030 int numbts, digit, digits, temp, powers, count; 1031 char *naming; 1032 int maxlength; 1033 char *tmp; 1034 1035 if (diskStructure->verbose_level > 0) 1036 printf("Rename_filename called\n"); 1037 1038 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1039 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1040 if (diskStructure->isoLevel == 1) 1041 maxlength = 8; 1042 else if (diskStructure->isoLevel == 2) 1043 maxlength = 31; 1044 else 1045 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1046 1047 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1048 1049 while (i < num && iter) { 1050 powers = 1; 1051 count = 0; 1052 digits = 1; 1053 while (((int)(i / powers) ) >= 10) { 1054 digits++; 1055 powers = powers * 10; 1056 } 1057 1058 naming = iter->o_name; 1059 1060 /* 1061 while ((*naming != '.') && (*naming != ';')) { 1062 naming++; 1063 count++; 1064 } 1065 */ 1066 1067 while (count < maxlength) { 1068 if (*naming == ';') 1069 break; 1070 naming++; 1071 count++; 1072 } 1073 1074 if ((count + digits) < maxlength) 1075 numbts = count; 1076 else 1077 numbts = maxlength - (digits); 1078 numbts -= delete_chars; 1079 1080 /* 8.3 rules - keep the extension, add before the dot */ 1081 1082 /* 1083 * This code makes a bunch of assumptions. 1084 * See if you can spot them all :) 1085 */ 1086 1087 #if 0 1088 if (diskStructure->isoLevel == 1) { 1089 numbts = 8 - digits - delete_chars; 1090 if (dot < 0) { 1091 1092 } else { 1093 if (dot < 8) { 1094 memmove(&tmp[numbts],&tmp[dot],4); 1095 } 1096 } 1097 } 1098 #endif 1099 1100 /* (copying just the filename before the '.' */ 1101 memcpy(tmp, (iter->o_name), numbts); 1102 1103 /* adding the appropriate number following the name */ 1104 temp = i; 1105 while (digits > 0) { 1106 digit = (int)(temp / powers); 1107 temp = temp - digit * powers; 1108 snprintf(&tmp[numbts], 1109 ISO_FILENAME_MAXLENGTH_WITH_PADDING - numbts, 1110 "%d", digit); 1111 digits--; 1112 numbts++; 1113 powers = powers / 10; 1114 } 1115 1116 while ((*naming != ';') && (numbts < maxlength)) { 1117 tmp[numbts] = (*naming); 1118 naming++; 1119 numbts++; 1120 } 1121 1122 tmp[numbts] = ';'; 1123 tmp[numbts+1] = '1'; 1124 tmp[numbts+2] = '\0'; 1125 1126 /* 1127 * now tmp has exactly the identifier 1128 * we want so we'll copy it back to record 1129 */ 1130 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1131 1132 iter = TAILQ_NEXT(iter, cn_next_child); 1133 i++; 1134 } 1135 1136 free(tmp); 1137 return iter; 1138 } 1139 1140 /* Todo: Figure out why these functions are nec. */ 1141 static void 1142 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1143 { 1144 cd9660node *cn; 1145 1146 if (TAILQ_EMPTY(&node->cn_children)) 1147 return; 1148 1149 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1150 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1151 exit(1); 1152 } 1153 1154 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1155 cd9660_copy_filenames(diskStructure, cn); 1156 memcpy(cn->o_name, cn->isoDirRecord->name, 1157 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1158 } 1159 } 1160 1161 static void 1162 cd9660_sorting_nodes(cd9660node *node) 1163 { 1164 cd9660node *cn; 1165 1166 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1167 cd9660_sorting_nodes(cn); 1168 cd9660_sort_nodes(node); 1169 } 1170 1171 /* XXX Bubble sort. */ 1172 static void 1173 cd9660_sort_nodes(cd9660node *node) 1174 { 1175 cd9660node *cn, *next; 1176 1177 do { 1178 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1179 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1180 return; 1181 else if (strcmp(next->isoDirRecord->name, 1182 cn->isoDirRecord->name) >= 0) 1183 continue; 1184 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1185 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1186 break; 1187 } 1188 } while (cn != NULL); 1189 } 1190 1191 static int 1192 cd9660_count_collisions(cd9660node *copy) 1193 { 1194 int count = 0; 1195 cd9660node *iter, *next; 1196 1197 for (iter = copy; 1198 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1199 iter = next) { 1200 if (cd9660_compare_filename(iter->isoDirRecord->name, 1201 next->isoDirRecord->name) == 0) 1202 count++; 1203 else 1204 return count; 1205 } 1206 #if 0 1207 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1208 printf("%s: count is %i\n", __func__, count); 1209 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1210 next->isoDirRecord->name); 1211 if (compare == 0) { 1212 count++; 1213 return cd9660_recurse_on_collision(next, count); 1214 } else 1215 return count; 1216 } 1217 #endif 1218 return count; 1219 } 1220 1221 static cd9660node * 1222 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1223 { 1224 char newname[9]; 1225 cd9660node *tfile; 1226 1227 /* 1228 * This function needs to: 1229 * 1) Create an empty virtual file in place of the old directory 1230 * 2) Point the virtual file to the new directory 1231 * 3) Point the relocated directory to its old parent 1232 * 4) Move the directory specified by dir into rr_moved_dir, 1233 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1234 */ 1235 1236 /* First see if the moved directory even exists */ 1237 if (diskStructure->rr_moved_dir == NULL) { 1238 diskStructure->rr_moved_dir = cd9660_create_directory( 1239 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1240 diskStructure->rootNode, dir); 1241 if (diskStructure->rr_moved_dir == NULL) 1242 return 0; 1243 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1244 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1245 } 1246 1247 /* Create a file with the same ORIGINAL name */ 1248 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1249 dir); 1250 if (tfile == NULL) 1251 return NULL; 1252 1253 diskStructure->rock_ridge_move_count++; 1254 snprintf(newname, sizeof(newname), "%08u", 1255 diskStructure->rock_ridge_move_count); 1256 1257 /* Point to old parent */ 1258 dir->rr_real_parent = dir->parent; 1259 1260 /* Place the placeholder file */ 1261 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1262 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1263 cn_next_child); 1264 } else { 1265 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1266 } 1267 1268 /* Point to new parent */ 1269 dir->parent = diskStructure->rr_moved_dir; 1270 1271 /* Point the file to the moved directory */ 1272 tfile->rr_relocated = dir; 1273 1274 /* Actually move the directory */ 1275 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1276 1277 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1278 1279 /* Set the new name */ 1280 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1281 strncpy(dir->isoDirRecord->name, newname, 8); 1282 dir->isoDirRecord->length[0] = 34 + 8; 1283 dir->isoDirRecord->name_len[0] = 8; 1284 1285 return dir; 1286 } 1287 1288 static int 1289 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1290 { 1291 struct cd9660_children_head *head = &root->cn_children; 1292 cd9660node *cn; 1293 1294 TAILQ_FOREACH(cn, head, cn_next_child) { 1295 if ((cn->type & CD9660_TYPE_DIR) == 0) 1296 continue; 1297 /* Recursion first */ 1298 cd9660_add_dot_records(diskStructure, cn); 1299 } 1300 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1301 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1302 root); 1303 return 1; 1304 } 1305 1306 /* 1307 * Convert node to cd9660 structure 1308 * This function is designed to be called recursively on the root node of 1309 * the filesystem 1310 * Lots of recursion going on here, want to make sure it is efficient 1311 * @param struct fsnode * The root node to be converted 1312 * @param struct cd9660* The parent node (should not be NULL) 1313 * @param int Current directory depth 1314 * @param int* Running count of the number of directories that are being created 1315 */ 1316 static void 1317 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1318 cd9660node *parent_node, int level, int *numDirectories, int *error) 1319 { 1320 fsnode *iterator = root; 1321 cd9660node *this_node; 1322 int working_level; 1323 int add; 1324 int flag = 0; 1325 int counter = 0; 1326 1327 /* 1328 * Newer, more efficient method, reduces recursion depth 1329 */ 1330 if (root == NULL) { 1331 warnx("%s: root is null", __func__); 1332 return; 1333 } 1334 1335 /* Test for an empty directory - makefs still gives us the . record */ 1336 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1337 && (root->name[1] == '\0')) { 1338 root = root->next; 1339 if (root == NULL) 1340 return; 1341 } 1342 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1343 CD9660_MEM_ALLOC_ERROR(__func__); 1344 } 1345 1346 /* 1347 * To reduce the number of recursive calls, we will iterate over 1348 * the next pointers to the right. 1349 */ 1350 while (iterator != NULL) { 1351 add = 1; 1352 /* 1353 * Increment the directory count if this is a directory 1354 * Ignore "." entries. We will generate them later 1355 */ 1356 if (!S_ISDIR(iterator->type) || 1357 strcmp(iterator->name, ".") != 0) { 1358 1359 /* Translate the node, including its filename */ 1360 this_node->parent = parent_node; 1361 cd9660_translate_node(diskStructure, iterator, 1362 this_node); 1363 this_node->level = level; 1364 1365 if (S_ISDIR(iterator->type)) { 1366 (*numDirectories)++; 1367 this_node->type = CD9660_TYPE_DIR; 1368 working_level = level + 1; 1369 1370 /* 1371 * If at level 8, directory would be at 8 1372 * and have children at 9 which is not 1373 * allowed as per ISO spec 1374 */ 1375 if (level == 8) { 1376 if ((!diskStructure->allow_deep_trees) && 1377 (!diskStructure->rock_ridge_enabled)) { 1378 warnx("error: found entry " 1379 "with depth greater " 1380 "than 8."); 1381 (*error) = 1; 1382 return; 1383 } else if (diskStructure-> 1384 rock_ridge_enabled) { 1385 working_level = 3; 1386 /* 1387 * Moved directory is actually 1388 * at level 2. 1389 */ 1390 this_node->level = 1391 working_level - 1; 1392 if (cd9660_rrip_move_directory( 1393 diskStructure, 1394 this_node) == NULL) { 1395 warnx("Failure in " 1396 "cd9660_rrip_" 1397 "move_directory" 1398 ); 1399 (*error) = 1; 1400 return; 1401 } 1402 add = 0; 1403 } 1404 } 1405 1406 /* Do the recursive call on the children */ 1407 if (iterator->child != NULL) { 1408 cd9660_convert_structure(diskStructure, 1409 iterator->child, this_node, 1410 working_level, 1411 numDirectories, error); 1412 1413 if ((*error) == 1) { 1414 warnx("%s: Error on recursive " 1415 "call", __func__); 1416 return; 1417 } 1418 } 1419 1420 } else { 1421 /* Only directories should have children */ 1422 assert(iterator->child == NULL); 1423 1424 this_node->type = CD9660_TYPE_FILE; 1425 } 1426 1427 /* 1428 * Finally, do a sorted insert 1429 */ 1430 if (add) { 1431 cd9660_sorted_child_insert( 1432 parent_node, this_node); 1433 } 1434 1435 /*Allocate new temp_node */ 1436 if (iterator->next != NULL) { 1437 this_node = cd9660_allocate_cd9660node(); 1438 if (this_node == NULL) 1439 CD9660_MEM_ALLOC_ERROR(__func__); 1440 } 1441 } 1442 iterator = iterator->next; 1443 } 1444 1445 /* cd9660_handle_collisions(first_node); */ 1446 1447 /* TODO: need cleanup */ 1448 cd9660_copy_filenames(diskStructure, parent_node); 1449 1450 do { 1451 flag = cd9660_handle_collisions(diskStructure, parent_node, 1452 counter); 1453 counter++; 1454 cd9660_sorting_nodes(parent_node); 1455 } while ((flag == 1) && (counter < 100)); 1456 } 1457 1458 /* 1459 * Clean up the cd9660node tree 1460 * This is designed to be called recursively on the root node 1461 * @param struct cd9660node *root The node to free 1462 * @returns void 1463 */ 1464 static void 1465 cd9660_free_structure(cd9660node *root) 1466 { 1467 cd9660node *cn; 1468 1469 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1470 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1471 cd9660_free_structure(cn); 1472 } 1473 free(root); 1474 } 1475 1476 /* 1477 * Be a little more memory conservative: 1478 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1479 * just create a temporary structure 1480 */ 1481 static struct ptq_entry 1482 { 1483 TAILQ_ENTRY(ptq_entry) ptq; 1484 cd9660node *node; 1485 } *n; 1486 1487 #define PTQUEUE_NEW(n,s,r,t){\ 1488 n = emalloc(sizeof(struct s)); \ 1489 n->node = t;\ 1490 } 1491 1492 /* 1493 * Generate the path tables 1494 * The specific implementation of this function is left as an exercise to the 1495 * programmer. It could be done recursively. Make sure you read how the path 1496 * table has to be laid out, it has levels. 1497 * @param struct iso9660_disk *disk The disk image 1498 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1499 */ 1500 static int 1501 cd9660_generate_path_table(iso9660_disk *diskStructure) 1502 { 1503 cd9660node *cn, *dirNode = diskStructure->rootNode; 1504 cd9660node *last = dirNode; 1505 int pathTableSize = 0; /* computed as we go */ 1506 int counter = 1; /* root gets a count of 0 */ 1507 1508 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1509 TAILQ_INIT(&pt_head); 1510 1511 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1512 1513 /* Push the root node */ 1514 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1515 1516 /* Breadth-first traversal of file structure */ 1517 while (!TAILQ_EMPTY(&pt_head)) { 1518 n = TAILQ_FIRST(&pt_head); 1519 dirNode = n->node; 1520 TAILQ_REMOVE(&pt_head, n, ptq); 1521 free(n); 1522 1523 /* Update the size */ 1524 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1525 + dirNode->isoDirRecord->name_len[0]+ 1526 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1527 /* includes the padding bit */ 1528 1529 dirNode->ptnumber=counter; 1530 if (dirNode != last) { 1531 last->ptnext = dirNode; 1532 dirNode->ptprev = last; 1533 } 1534 last = dirNode; 1535 1536 /* Push children onto queue */ 1537 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1538 /* 1539 * Dont add the DOT and DOTDOT types to the path 1540 * table. 1541 */ 1542 if ((cn->type != CD9660_TYPE_DOT) 1543 && (cn->type != CD9660_TYPE_DOTDOT)) { 1544 1545 if (S_ISDIR(cn->node->type)) { 1546 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1547 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1548 } 1549 } 1550 } 1551 counter++; 1552 } 1553 return pathTableSize; 1554 } 1555 1556 void 1557 cd9660_compute_full_filename(cd9660node *node, char *buf) 1558 { 1559 int len; 1560 1561 len = PATH_MAX; 1562 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1563 node->node->path, node->node->name); 1564 if (len >= PATH_MAX) 1565 errx(EXIT_FAILURE, "Pathname too long."); 1566 } 1567 1568 /* 1569 * TODO: These two functions are almost identical. 1570 * Some code cleanup is possible here 1571 * 1572 * XXX bounds checking! 1573 */ 1574 static int 1575 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1576 char *newname, size_t newnamelen, int is_file) 1577 { 1578 /* 1579 * ISO 9660 : 10.1 1580 * File Name shall not contain more than 8 d or d1 characters 1581 * File Name Extension shall not contain more than 3 d or d1 characters 1582 * Directory Identifier shall not contain more than 8 d or d1 characters 1583 */ 1584 int namelen = 0; 1585 int extlen = 0; 1586 int found_ext = 0; 1587 char *orignewname = newname; 1588 1589 while (*oldname != '\0' && extlen < 3) { 1590 /* Handle period first, as it is special */ 1591 if (*oldname == '.') { 1592 if (found_ext) { 1593 *newname++ = '_'; 1594 extlen ++; 1595 } 1596 else { 1597 *newname++ = '.'; 1598 found_ext = 1; 1599 } 1600 } else { 1601 /* Enforce 12.3 / 8 */ 1602 if (namelen == 8 && !found_ext) 1603 break; 1604 1605 if (islower((unsigned char)*oldname)) 1606 *newname++ = toupper((unsigned char)*oldname); 1607 else if (isupper((unsigned char)*oldname) 1608 || isdigit((unsigned char)*oldname)) 1609 *newname++ = *oldname; 1610 else 1611 *newname++ = '_'; 1612 1613 if (found_ext) 1614 extlen++; 1615 else 1616 namelen++; 1617 } 1618 oldname++; 1619 } 1620 if (is_file) { 1621 if (!found_ext && !diskStructure->omit_trailing_period) 1622 *newname++ = '.'; 1623 /* Add version */ 1624 snprintf(newname, newnamelen - (newname - orignewname), ";%i", 1); 1625 } 1626 return namelen + extlen + found_ext; 1627 } 1628 1629 /* XXX bounds checking! */ 1630 static int 1631 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1632 char *newname, size_t newnamelen, int is_file) 1633 { 1634 /* 1635 * ISO 9660 : 7.5.1 1636 * File name : 0+ d or d1 characters 1637 * separator 1 (.) 1638 * File name extension : 0+ d or d1 characters 1639 * separator 2 (;) 1640 * File version number (5 characters, 1-32767) 1641 * 1 <= Sum of File name and File name extension <= 30 1642 */ 1643 int namelen = 0; 1644 int extlen = 0; 1645 int found_ext = 0; 1646 char *orignewname = newname; 1647 1648 while (*oldname != '\0' && namelen + extlen < 30) { 1649 /* Handle period first, as it is special */ 1650 if (*oldname == '.') { 1651 if (found_ext) { 1652 if (diskStructure->allow_multidot) { 1653 *newname++ = '.'; 1654 } else { 1655 *newname++ = '_'; 1656 } 1657 extlen ++; 1658 } 1659 else { 1660 *newname++ = '.'; 1661 found_ext = 1; 1662 } 1663 } else { 1664 if (islower((unsigned char)*oldname)) 1665 *newname++ = toupper((unsigned char)*oldname); 1666 else if (isupper((unsigned char)*oldname) || 1667 isdigit((unsigned char)*oldname)) 1668 *newname++ = *oldname; 1669 else if (diskStructure->allow_multidot && 1670 *oldname == '.') { 1671 *newname++ = '.'; 1672 } else { 1673 *newname++ = '_'; 1674 } 1675 1676 if (found_ext) 1677 extlen++; 1678 else 1679 namelen++; 1680 } 1681 oldname ++; 1682 } 1683 if (is_file) { 1684 if (!found_ext && !diskStructure->omit_trailing_period) 1685 *newname++ = '.'; 1686 /* Add version */ 1687 snprintf(newname, newnamelen - (newname - orignewname), ";%i", 1); 1688 } 1689 return namelen + extlen + found_ext; 1690 } 1691 1692 /* 1693 * Convert a file name to ISO compliant file name 1694 * @param char * oldname The original filename 1695 * @param char ** newname The new file name, in the appropriate character 1696 * set and of appropriate length 1697 * @param int 1 if file, 0 if directory 1698 * @returns int The length of the new string 1699 */ 1700 static int 1701 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1702 char *newname, size_t newnamelen, int is_file) 1703 { 1704 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1705 if (diskStructure->isoLevel == 1) 1706 return(cd9660_level1_convert_filename(diskStructure, 1707 oldname, newname, newnamelen, is_file)); 1708 else if (diskStructure->isoLevel == 2) 1709 return (cd9660_level2_convert_filename(diskStructure, 1710 oldname, newname, newnamelen, is_file)); 1711 abort(); 1712 } 1713 1714 int 1715 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1716 { 1717 int size = node->isoDirRecord->length[0]; 1718 1719 if (diskStructure->rock_ridge_enabled) 1720 size += node->susp_entry_size; 1721 size += node->su_tail_size; 1722 size += size & 1; /* Ensure length of record is even. */ 1723 assert(size <= 254); 1724 return size; 1725 } 1726 1727 static void 1728 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1729 { 1730 node->dot_record->fileDataSector = node->fileDataSector; 1731 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1732 node->dot_record->isoDirRecord->name_len[0] = 1; 1733 node->dot_record->isoDirRecord->name[0] = 0; 1734 node->dot_record->isoDirRecord->name[1] = 0; 1735 node->dot_record->isoDirRecord->length[0] = 34; 1736 node->dot_record->fileRecordSize = 1737 cd9660_compute_record_size(diskStructure, node->dot_record); 1738 1739 if (node == diskStructure->rootNode) { 1740 node->dot_dot_record->fileDataSector = node->fileDataSector; 1741 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1742 34); 1743 } else { 1744 node->dot_dot_record->fileDataSector = 1745 node->parent->fileDataSector; 1746 memcpy(node->dot_dot_record->isoDirRecord, 1747 node->parent->isoDirRecord,34); 1748 } 1749 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1750 node->dot_dot_record->isoDirRecord->name[0] = 1; 1751 node->dot_dot_record->isoDirRecord->name[1] = 0; 1752 node->dot_dot_record->isoDirRecord->length[0] = 34; 1753 node->dot_dot_record->fileRecordSize = 1754 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1755 } 1756 1757 /* 1758 * @param struct cd9660node *node The node 1759 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1760 * @returns int The total size of files and directory entries (should be 1761 * a multiple of sector size) 1762 */ 1763 static int64_t 1764 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1765 int64_t startOffset) 1766 { 1767 /* 1768 * This function needs to compute the size of directory records and 1769 * runs, file lengths, and set the appropriate variables both in 1770 * cd9660node and isoDirEntry 1771 */ 1772 int64_t used_bytes = 0; 1773 int64_t current_sector_usage = 0; 1774 cd9660node *child; 1775 fsinode *inode; 1776 int64_t r; 1777 1778 assert(node != NULL); 1779 1780 1781 /* 1782 * NOTE : There needs to be some special case detection for 1783 * the "real root" node, since for it, node->node is undefined 1784 */ 1785 1786 node->fileDataSector = -1; 1787 1788 if (node->type & CD9660_TYPE_DIR) { 1789 node->fileRecordSize = cd9660_compute_record_size( 1790 diskStructure, node); 1791 /*Set what sector this directory starts in*/ 1792 node->fileDataSector = 1793 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1794 1795 cd9660_bothendian_dword(node->fileDataSector, 1796 node->isoDirRecord->extent); 1797 1798 /* 1799 * First loop over children, need to know the size of 1800 * their directory records 1801 */ 1802 node->fileSectorsUsed = 1; 1803 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1804 node->fileDataLength += 1805 cd9660_compute_record_size(diskStructure, child); 1806 if ((cd9660_compute_record_size(diskStructure, child) + 1807 current_sector_usage) >= 1808 diskStructure->sectorSize) { 1809 current_sector_usage = 0; 1810 node->fileSectorsUsed++; 1811 } 1812 1813 current_sector_usage += 1814 cd9660_compute_record_size(diskStructure, child); 1815 } 1816 1817 cd9660_bothendian_dword(node->fileSectorsUsed * 1818 diskStructure->sectorSize,node->isoDirRecord->size); 1819 1820 /* 1821 * This should point to the sector after the directory 1822 * record (or, the first byte in that sector) 1823 */ 1824 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1825 1826 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1827 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1828 /* Directories need recursive call */ 1829 if (S_ISDIR(child->node->type)) { 1830 r = cd9660_compute_offsets(diskStructure, child, 1831 used_bytes + startOffset); 1832 1833 if (r != -1) 1834 used_bytes += r; 1835 else 1836 return -1; 1837 } 1838 } 1839 1840 /* Explicitly set the . and .. records */ 1841 cd9660_populate_dot_records(diskStructure, node); 1842 1843 /* Finally, do another iteration to write the file data*/ 1844 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1845 child != NULL; 1846 child = TAILQ_NEXT(child, cn_next_child)) { 1847 /* Files need extent set */ 1848 if (S_ISDIR(child->node->type)) 1849 continue; 1850 child->fileRecordSize = 1851 cd9660_compute_record_size(diskStructure, child); 1852 1853 child->fileSectorsUsed = 1854 CD9660_BLOCKS(diskStructure->sectorSize, 1855 child->fileDataLength); 1856 1857 inode = child->node->inode; 1858 if ((inode->flags & FI_ALLOCATED) == 0) { 1859 inode->ino = 1860 CD9660_BLOCKS(diskStructure->sectorSize, 1861 used_bytes + startOffset); 1862 inode->flags |= FI_ALLOCATED; 1863 used_bytes += child->fileSectorsUsed * 1864 diskStructure->sectorSize; 1865 } else { 1866 INODE_WARNX(("%s: already allocated inode %d " 1867 "data sectors at %" PRIu32, __func__, 1868 (int)inode->st.st_ino, inode->ino)); 1869 } 1870 child->fileDataSector = inode->ino; 1871 cd9660_bothendian_dword(child->fileDataSector, 1872 child->isoDirRecord->extent); 1873 } 1874 } 1875 1876 return used_bytes; 1877 } 1878 1879 #if 0 1880 /* Might get rid of this func */ 1881 static int 1882 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1883 { 1884 to->node->inode->st.st_dev = 0; 1885 to->node->inode->st.st_ino = 0; 1886 to->node->inode->st.st_size = 0; 1887 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1888 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1889 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1890 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1891 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1892 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1893 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1894 /* Clear out type */ 1895 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1896 if (file) 1897 to->node->inode->st.st_mode |= S_IFREG; 1898 else 1899 to->node->inode->st.st_mode |= S_IFDIR; 1900 return 1; 1901 } 1902 #endif 1903 1904 static cd9660node * 1905 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1906 cd9660node *parent, int file, int insert) 1907 { 1908 cd9660node *temp; 1909 fsnode * tfsnode; 1910 1911 assert(parent != NULL); 1912 1913 temp = cd9660_allocate_cd9660node(); 1914 if (temp == NULL) 1915 return NULL; 1916 1917 tfsnode = emalloc(sizeof(*tfsnode)); 1918 tfsnode->name = estrdup(name); 1919 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1920 1921 cd9660_convert_filename(diskStructure, tfsnode->name, 1922 temp->isoDirRecord->name, sizeof(temp->isoDirRecord->name), file); 1923 1924 temp->node = tfsnode; 1925 temp->parent = parent; 1926 1927 if (insert) { 1928 if (temp->parent != NULL) { 1929 temp->level = temp->parent->level + 1; 1930 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1931 cd9660_sorted_child_insert(temp->parent, temp); 1932 else 1933 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1934 temp, cn_next_child); 1935 } 1936 } 1937 1938 if (parent->node != NULL) { 1939 tfsnode->type = parent->node->type; 1940 } 1941 1942 /* Clear out file type bits */ 1943 tfsnode->type &= ~(S_IFMT); 1944 if (file) 1945 tfsnode->type |= S_IFREG; 1946 else 1947 tfsnode->type |= S_IFDIR; 1948 1949 /* Indicate that there is no spec entry (inode) */ 1950 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1951 #if 0 1952 cd9660_copy_stat_info(parent, temp, file); 1953 #endif 1954 return temp; 1955 } 1956 1957 static cd9660node * 1958 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 1959 cd9660node *parent, cd9660node *me) 1960 { 1961 cd9660node *temp; 1962 1963 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 1964 if (temp == NULL) 1965 return NULL; 1966 1967 temp->fileDataLength = 0; 1968 1969 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 1970 1971 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 1972 *temp->node->inode = *me->node->inode; 1973 1974 if (cd9660_translate_node_common(diskStructure, temp) == 0) 1975 return NULL; 1976 return temp; 1977 } 1978 1979 /* 1980 * Create a new directory which does not exist on disk 1981 * @param const char * name The name to assign to the directory 1982 * @param const char * parent Pointer to the parent directory 1983 * @returns cd9660node * Pointer to the new directory 1984 */ 1985 static cd9660node * 1986 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 1987 cd9660node *parent, cd9660node *me) 1988 { 1989 cd9660node *temp; 1990 1991 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 1992 if (temp == NULL) 1993 return NULL; 1994 temp->node->type |= S_IFDIR; 1995 1996 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 1997 1998 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 1999 *temp->node->inode = *me->node->inode; 2000 2001 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2002 return NULL; 2003 return temp; 2004 } 2005 2006 static cd9660node * 2007 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2008 cd9660node *parent) 2009 { 2010 cd9660node *temp, *first; 2011 char na[2]; 2012 2013 assert(parent != NULL); 2014 2015 if (type == CD9660_TYPE_DOT) 2016 na[0] = 0; 2017 else if (type == CD9660_TYPE_DOTDOT) 2018 na[0] = 1; 2019 else 2020 return 0; 2021 2022 na[1] = 0; 2023 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2024 0, 0)) == NULL) 2025 return NULL; 2026 2027 temp->parent = parent; 2028 temp->type = type; 2029 temp->isoDirRecord->length[0] = 34; 2030 /* Dot record is always first */ 2031 if (type == CD9660_TYPE_DOT) { 2032 parent->dot_record = temp; 2033 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2034 /* DotDot should be second */ 2035 } else if (type == CD9660_TYPE_DOTDOT) { 2036 parent->dot_dot_record = temp; 2037 /* 2038 * If the first child is the dot record, insert 2039 * this second. Otherwise, insert it at the head. 2040 */ 2041 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2042 (first->type & CD9660_TYPE_DOT) == 0) { 2043 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2044 cn_next_child); 2045 } else { 2046 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2047 cn_next_child); 2048 } 2049 } 2050 2051 return temp; 2052 } 2053 2054 static int 2055 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2056 { 2057 struct stat stbuf; 2058 2059 assert(bootimage != NULL); 2060 2061 if (*bootimage == '\0') { 2062 warnx("Error: Boot image must be a filename"); 2063 return 0; 2064 } 2065 2066 diskStructure->generic_bootimage = estrdup(bootimage); 2067 2068 /* Get information about the file */ 2069 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2070 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2071 diskStructure->generic_bootimage); 2072 2073 if (stbuf.st_size > 32768) { 2074 warnx("Error: Boot image must be no greater than 32768 bytes"); 2075 return 0; 2076 } 2077 2078 if (diskStructure->verbose_level > 0) { 2079 printf("Generic boot image has size %lld\n", 2080 (long long)stbuf.st_size); 2081 } 2082 2083 diskStructure->has_generic_bootimage = 1; 2084 2085 return 1; 2086 } 2087