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/cdefs.h> 101 __FBSDID("$FreeBSD$"); 102 103 #include <sys/param.h> 104 #include <sys/queue.h> 105 #include <ctype.h> 106 #include <stdlib.h> 107 #include <string.h> 108 #include <util.h> 109 110 #include "makefs.h" 111 #include "cd9660.h" 112 #include "cd9660/iso9660_rrip.h" 113 #include "cd9660/cd9660_archimedes.h" 114 115 static void cd9660_finalize_PVD(iso9660_disk *); 116 static cd9660node *cd9660_allocate_cd9660node(void); 117 static void cd9660_set_defaults(iso9660_disk *); 118 static int cd9660_arguments_set_string(const char *, const char *, size_t, 119 char, char *); 120 static void cd9660_populate_iso_dir_record( 121 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 122 const char *); 123 static void cd9660_setup_root_node(iso9660_disk *); 124 static int cd9660_setup_volume_descriptors(iso9660_disk *); 125 #if 0 126 static int cd9660_fill_extended_attribute_record(cd9660node *); 127 #endif 128 static void cd9660_sort_nodes(cd9660node *); 129 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 130 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 131 static int cd9660_compare_filename(const char *, const char *); 132 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 133 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 134 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 135 int); 136 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 137 static void cd9660_sorting_nodes(cd9660node *); 138 static int cd9660_count_collisions(cd9660node *); 139 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 140 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 141 142 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 143 int *, int *); 144 static void cd9660_free_structure(cd9660node *); 145 static int cd9660_generate_path_table(iso9660_disk *); 146 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 147 int); 148 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 149 int); 150 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 151 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 152 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 153 #if 0 154 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 155 #endif 156 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 157 cd9660node *, int, int); 158 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 159 cd9660node *, cd9660node *); 160 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 161 cd9660node *, cd9660node *); 162 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 163 cd9660node *); 164 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 165 166 167 /* 168 * Allocate and initialize a cd9660node 169 * @returns struct cd9660node * Pointer to new node, or NULL on error 170 */ 171 static cd9660node * 172 cd9660_allocate_cd9660node(void) 173 { 174 cd9660node *temp = ecalloc(1, sizeof(*temp)); 175 176 TAILQ_INIT(&temp->cn_children); 177 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 178 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 179 temp->node = NULL; 180 temp->isoDirRecord = NULL; 181 temp->isoExtAttributes = NULL; 182 temp->rr_real_parent = temp->rr_relocated = NULL; 183 temp->su_tail_data = NULL; 184 return temp; 185 } 186 187 /** 188 * Set default values for cd9660 extension to makefs 189 */ 190 static void 191 cd9660_set_defaults(iso9660_disk *diskStructure) 192 { 193 /*Fix the sector size for now, though the spec allows for other sizes*/ 194 diskStructure->sectorSize = 2048; 195 196 /* Set up defaults in our own structure */ 197 diskStructure->verbose_level = 0; 198 diskStructure->keep_bad_images = 0; 199 diskStructure->isoLevel = 2; 200 201 diskStructure->rock_ridge_enabled = 0; 202 diskStructure->rock_ridge_renamed_dir_name = 0; 203 diskStructure->rock_ridge_move_count = 0; 204 diskStructure->rr_moved_dir = 0; 205 206 diskStructure->archimedes_enabled = 0; 207 diskStructure->chrp_boot = 0; 208 209 diskStructure->include_padding_areas = 1; 210 211 /* Spec breaking functionality */ 212 diskStructure->allow_deep_trees = 213 diskStructure->allow_start_dot = 214 diskStructure->allow_max_name = 215 diskStructure->allow_illegal_chars = 216 diskStructure->allow_lowercase = 217 diskStructure->allow_multidot = 218 diskStructure->omit_trailing_period = 0; 219 220 /* Make sure the PVD is clear */ 221 memset(&diskStructure->primaryDescriptor, 0, 2048); 222 223 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 224 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 225 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 226 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 227 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 228 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 229 230 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD"); 231 232 /* Boot support: Initially disabled */ 233 diskStructure->has_generic_bootimage = 0; 234 diskStructure->generic_bootimage = NULL; 235 236 diskStructure->boot_image_directory = 0; 237 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 238 239 diskStructure->is_bootable = 0; 240 TAILQ_INIT(&diskStructure->boot_images); 241 LIST_INIT(&diskStructure->boot_entries); 242 } 243 244 void 245 cd9660_prep_opts(fsinfo_t *fsopts) 246 { 247 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 248 249 #define OPT_STR(letter, name, desc) \ 250 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 251 252 #define OPT_NUM(letter, name, field, min, max, desc) \ 253 { letter, name, &diskStructure->field, \ 254 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 255 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 256 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 257 min, max, desc } 258 259 #define OPT_BOOL(letter, name, field, desc) \ 260 OPT_NUM(letter, name, field, 0, 1, desc) 261 262 const option_t cd9660_options[] = { 263 OPT_NUM('l', "isolevel", isoLevel, 264 1, 2, "ISO Level"), 265 OPT_NUM('v', "verbose", verbose_level, 266 0, 2, "Turns on verbose output"), 267 268 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 269 "Enable Rock-Ridge extensions"), 270 OPT_BOOL('C', "chrp-boot", chrp_boot, 271 "Enable CHRP boot"), 272 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 273 "Keep bad images"), 274 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 275 "Allow trees more than 8 levels"), 276 OPT_BOOL('a', "allow-max-name", allow_max_name, 277 "Allow 37 char filenames (unimplemented)"), 278 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 279 "Allow illegal characters in filenames"), 280 OPT_BOOL('m', "allow-multidot", allow_multidot, 281 "Allow multiple periods in filenames"), 282 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 283 "Omit trailing periods in filenames"), 284 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 285 "Allow lowercase characters in filenames"), 286 OPT_BOOL('\0', "archimedes", archimedes_enabled, 287 "Enable Archimedes structure"), 288 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 289 "Include padding areas"), 290 291 OPT_STR('A', "applicationid", "Application Identifier"), 292 OPT_STR('P', "publisher", "Publisher Identifier"), 293 OPT_STR('p', "preparer", "Preparer Identifier"), 294 OPT_STR('L', "label", "Disk Label"), 295 OPT_STR('V', "volumeid", "Volume Set Identifier"), 296 OPT_STR('B', "bootimage", "Boot image parameter"), 297 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 298 OPT_STR('\0', "bootimagedir", "Boot image directory"), 299 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 300 OPT_STR('\0', "no-boot", "No boot support"), 301 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 302 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 303 OPT_STR('\0', "platformid", "Section Header Platform ID"), 304 305 { .name = NULL } 306 }; 307 308 fsopts->fs_specific = diskStructure; 309 fsopts->fs_options = copy_opts(cd9660_options); 310 311 cd9660_set_defaults(diskStructure); 312 } 313 314 void 315 cd9660_cleanup_opts(fsinfo_t *fsopts) 316 { 317 free(fsopts->fs_specific); 318 free(fsopts->fs_options); 319 } 320 321 static int 322 cd9660_arguments_set_string(const char *val, const char *fieldtitle, 323 size_t length, char testmode, char *dest) 324 { 325 size_t len; 326 int test; 327 328 if (val == NULL) 329 warnx("error: '%s' requires a string argument", fieldtitle); 330 else if ((len = strlen(val)) <= length) { 331 if (testmode == 'd') 332 test = cd9660_valid_d_chars(val); 333 else 334 test = cd9660_valid_a_chars(val); 335 if (test) { 336 memcpy(dest, val, len); 337 if (test == 2) 338 cd9660_uppercase_characters(dest, len); 339 return 1; 340 } else 341 warnx("error: '%s' must be composed of %c-characters", 342 fieldtitle, testmode); 343 } else 344 warnx("error: '%s' must be at most 32 characters long", 345 fieldtitle); 346 return 0; 347 } 348 349 /* 350 * Command-line parsing function 351 */ 352 353 int 354 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 355 { 356 int rv, i; 357 iso9660_disk *diskStructure = fsopts->fs_specific; 358 option_t *cd9660_options = fsopts->fs_options; 359 char buf[1024]; 360 const char *name, *desc; 361 362 assert(option != NULL); 363 364 if (debug & DEBUG_FS_PARSE_OPTS) 365 printf("%s: got `%s'\n", __func__, option); 366 367 i = set_option(cd9660_options, option, buf, sizeof(buf)); 368 if (i == -1) 369 return 0; 370 371 if (cd9660_options[i].name == NULL) 372 abort(); 373 374 name = cd9660_options[i].name; 375 desc = cd9660_options[i].desc; 376 switch (cd9660_options[i].letter) { 377 case 'h': 378 case 'S': 379 rv = 0; /* this is not handled yet */ 380 break; 381 case 'L': 382 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 383 diskStructure->primaryDescriptor.volume_id); 384 break; 385 case 'A': 386 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 387 diskStructure->primaryDescriptor.application_id); 388 break; 389 case 'P': 390 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 391 diskStructure->primaryDescriptor.publisher_id); 392 break; 393 case 'p': 394 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 395 diskStructure->primaryDescriptor.preparer_id); 396 break; 397 case 'V': 398 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 399 diskStructure->primaryDescriptor.volume_set_id); 400 break; 401 /* Boot options */ 402 case 'B': 403 if (buf[0] == '\0') { 404 warnx("The Boot Image parameter requires a valid boot" 405 "information string"); 406 rv = 0; 407 } else 408 rv = cd9660_add_boot_disk(diskStructure, buf); 409 break; 410 case 'G': 411 if (buf[0] == '\0') { 412 warnx("The Generic Boot Image parameter requires a" 413 " valid boot information string"); 414 rv = 0; 415 } else 416 rv = cd9660_add_generic_bootimage(diskStructure, buf); 417 break; 418 default: 419 if (strcmp(name, "bootimagedir") == 0) { 420 /* 421 * XXXfvdl this is unused. 422 */ 423 if (buf[0] == '\0') { 424 warnx("The Boot Image Directory parameter" 425 " requires a directory name"); 426 rv = 0; 427 } else { 428 diskStructure->boot_image_directory = 429 emalloc(strlen(buf) + 1); 430 /* BIG TODO: Add the max length function here */ 431 rv = cd9660_arguments_set_string(buf, desc, 12, 432 'd', diskStructure->boot_image_directory); 433 } 434 } else if (strcmp(name, "no-emul-boot") == 0 || 435 strcmp(name, "no-boot") == 0 || 436 strcmp(name, "hard-disk-boot") == 0) { 437 /* RRIP */ 438 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 439 rv = 1; 440 } else if (strcmp(name, "boot-load-segment") == 0 || 441 strcmp(name, "platformid") == 0) { 442 if (buf[0] == '\0') { 443 warnx("Option `%s' doesn't contain a value", 444 name); 445 rv = 0; 446 } else { 447 cd9660_eltorito_add_boot_option(diskStructure, 448 name, buf); 449 rv = 1; 450 } 451 } else 452 rv = 1; 453 } 454 return rv; 455 } 456 457 /* 458 * Main function for cd9660_makefs 459 * Builds the ISO image file 460 * @param const char *image The image filename to create 461 * @param const char *dir The directory that is being read 462 * @param struct fsnode *root The root node of the filesystem tree 463 * @param struct fsinfo_t *fsopts Any options 464 */ 465 void 466 cd9660_makefs(const char *image, const char *dir, fsnode *root, 467 fsinfo_t *fsopts) 468 { 469 int64_t startoffset; 470 int numDirectories; 471 uint64_t pathTableSectors; 472 int64_t firstAvailableSector; 473 int64_t totalSpace; 474 int error; 475 cd9660node *real_root; 476 iso9660_disk *diskStructure = fsopts->fs_specific; 477 478 if (diskStructure->verbose_level > 0) 479 printf("%s: ISO level is %i\n", __func__, 480 diskStructure->isoLevel); 481 if (diskStructure->isoLevel < 2 && 482 diskStructure->allow_multidot) 483 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 484 485 assert(image != NULL); 486 assert(dir != NULL); 487 assert(root != NULL); 488 489 if (diskStructure->verbose_level > 0) 490 printf("%s: image %s directory %s root %p\n", __func__, 491 image, dir, root); 492 493 /* Set up some constants. Later, these will be defined with options */ 494 495 /* Counter needed for path tables */ 496 numDirectories = 0; 497 498 /* Convert tree to our own format */ 499 /* Actually, we now need to add the REAL root node, at level 0 */ 500 501 real_root = cd9660_allocate_cd9660node(); 502 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 503 /* Leave filename blank for root */ 504 memset(real_root->isoDirRecord->name, 0, 505 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 506 507 real_root->level = 0; 508 diskStructure->rootNode = real_root; 509 real_root->type = CD9660_TYPE_DIR; 510 error = 0; 511 real_root->node = root; 512 cd9660_convert_structure(diskStructure, root, real_root, 1, 513 &numDirectories, &error); 514 515 if (TAILQ_EMPTY(&real_root->cn_children)) { 516 errx(EXIT_FAILURE, "%s: converted directory is empty. " 517 "Tree conversion failed", __func__); 518 } else if (error != 0) { 519 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 520 } else { 521 if (diskStructure->verbose_level > 0) 522 printf("%s: tree converted\n", __func__); 523 } 524 525 /* Add the dot and dot dot records */ 526 cd9660_add_dot_records(diskStructure, real_root); 527 528 cd9660_setup_root_node(diskStructure); 529 530 if (diskStructure->verbose_level > 0) 531 printf("%s: done converting tree\n", __func__); 532 533 /* non-SUSP extensions */ 534 if (diskStructure->archimedes_enabled) 535 archimedes_convert_tree(diskStructure->rootNode); 536 537 /* Rock ridge / SUSP init pass */ 538 if (diskStructure->rock_ridge_enabled) { 539 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 540 diskStructure->rootNode, NULL); 541 } 542 543 /* Build path table structure */ 544 diskStructure->pathTableLength = cd9660_generate_path_table( 545 diskStructure); 546 547 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 548 diskStructure->pathTableLength); 549 550 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 551 if (diskStructure->is_bootable) { 552 firstAvailableSector = cd9660_setup_boot(diskStructure, 553 firstAvailableSector); 554 if (firstAvailableSector < 0) 555 errx(EXIT_FAILURE, "setup_boot failed"); 556 } 557 /* LE first, then BE */ 558 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 559 diskStructure->primaryBigEndianTableSector = 560 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 561 562 /* Set the secondary ones to -1, not going to use them for now */ 563 diskStructure->secondaryBigEndianTableSector = -1; 564 diskStructure->secondaryLittleEndianTableSector = -1; 565 566 diskStructure->dataFirstSector = 567 diskStructure->primaryBigEndianTableSector + pathTableSectors; 568 if (diskStructure->verbose_level > 0) 569 printf("%s: Path table conversion complete. " 570 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 571 __func__, 572 diskStructure->pathTableLength, pathTableSectors); 573 574 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 575 576 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 577 578 diskStructure->totalSectors = diskStructure->dataFirstSector + 579 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 580 581 /* Disabled until pass 1 is done */ 582 if (diskStructure->rock_ridge_enabled) { 583 diskStructure->susp_continuation_area_start_sector = 584 diskStructure->totalSectors; 585 diskStructure->totalSectors += 586 CD9660_BLOCKS(diskStructure->sectorSize, 587 diskStructure->susp_continuation_area_size); 588 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 589 } 590 591 592 cd9660_finalize_PVD(diskStructure); 593 594 /* Add padding sectors, just for testing purposes right now */ 595 /* diskStructure->totalSectors+=150; */ 596 597 /* Debugging output */ 598 if (diskStructure->verbose_level > 0) { 599 printf("%s: Sectors 0-15 reserved\n", __func__); 600 printf("%s: Primary path tables starts in sector %" 601 PRId64 "\n", __func__, 602 diskStructure->primaryLittleEndianTableSector); 603 printf("%s: File data starts in sector %" 604 PRId64 "\n", __func__, diskStructure->dataFirstSector); 605 printf("%s: Total sectors: %" 606 PRId64 "\n", __func__, diskStructure->totalSectors); 607 } 608 609 /* 610 * Add padding sectors at the end 611 * TODO: Clean this up and separate padding 612 */ 613 if (diskStructure->include_padding_areas) 614 diskStructure->totalSectors += 150; 615 616 cd9660_write_image(diskStructure, image); 617 618 if (diskStructure->verbose_level > 1) { 619 debug_print_volume_descriptor_information(diskStructure); 620 debug_print_tree(diskStructure, real_root, 0); 621 debug_print_path_tree(real_root); 622 } 623 624 /* Clean up data structures */ 625 cd9660_free_structure(real_root); 626 627 if (diskStructure->verbose_level > 0) 628 printf("%s: done\n", __func__); 629 } 630 631 /* Generic function pointer - implement later */ 632 typedef int (*cd9660node_func)(cd9660node *); 633 634 static void 635 cd9660_finalize_PVD(iso9660_disk *diskStructure) 636 { 637 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 638 639 /* root should be a fixed size of 34 bytes since it has no name */ 640 memcpy(diskStructure->primaryDescriptor.root_directory_record, 641 diskStructure->rootNode->dot_record->isoDirRecord, 34); 642 643 /* In RRIP, this might be longer than 34 */ 644 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 645 646 /* Set up all the important numbers in the PVD */ 647 cd9660_bothendian_dword(diskStructure->totalSectors, 648 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 649 cd9660_bothendian_word(1, 650 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 651 cd9660_bothendian_word(1, 652 (unsigned char *) 653 diskStructure->primaryDescriptor.volume_sequence_number); 654 cd9660_bothendian_word(diskStructure->sectorSize, 655 (unsigned char *) 656 diskStructure->primaryDescriptor.logical_block_size); 657 cd9660_bothendian_dword(diskStructure->pathTableLength, 658 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 659 660 cd9660_731(diskStructure->primaryLittleEndianTableSector, 661 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 662 cd9660_732(diskStructure->primaryBigEndianTableSector, 663 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 664 665 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 666 667 /* Pad all strings with spaces instead of nulls */ 668 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 669 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 670 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 671 128); 672 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 673 128); 674 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 675 128); 676 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 677 128); 678 cd9660_pad_string_spaces( 679 diskStructure->primaryDescriptor.copyright_file_id, 37); 680 cd9660_pad_string_spaces( 681 diskStructure->primaryDescriptor.abstract_file_id, 37); 682 cd9660_pad_string_spaces( 683 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 684 685 /* Setup dates */ 686 cd9660_time_8426( 687 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 688 tstamp); 689 cd9660_time_8426( 690 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 691 tstamp); 692 693 #if 0 694 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 695 tstamp); 696 #endif 697 698 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16); 699 diskStructure->primaryDescriptor.expiration_date[16] = 0; 700 701 cd9660_time_8426( 702 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 703 tstamp); 704 /* make this sane */ 705 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date, 706 tstamp); 707 } 708 709 static void 710 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 711 u_char ext_attr_length, u_char flags, 712 u_char name_len, const char * name) 713 { 714 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 715 716 record->ext_attr_length[0] = ext_attr_length; 717 cd9660_time_915(record->date, tstamp); 718 record->flags[0] = ISO_FLAG_CLEAR | flags; 719 record->file_unit_size[0] = 0; 720 record->interleave[0] = 0; 721 cd9660_bothendian_word(1, record->volume_sequence_number); 722 record->name_len[0] = name_len; 723 memset(record->name, '\0', sizeof (record->name)); 724 memcpy(record->name, name, name_len); 725 record->length[0] = 33 + name_len; 726 727 /* Todo : better rounding */ 728 record->length[0] += (record->length[0] & 1) ? 1 : 0; 729 } 730 731 static void 732 cd9660_setup_root_node(iso9660_disk *diskStructure) 733 { 734 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 735 0, ISO_FLAG_DIRECTORY, 1, "\0"); 736 737 } 738 739 /*********** SUPPORT FUNCTIONS ***********/ 740 static int 741 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 742 { 743 /* Boot volume descriptor should come second */ 744 int sector = 16; 745 /* For now, a fixed 2 : PVD and terminator */ 746 volume_descriptor *temp, *t; 747 748 /* Set up the PVD */ 749 temp = emalloc(sizeof(*temp)); 750 temp->volumeDescriptorData = 751 (unsigned char *)&diskStructure->primaryDescriptor; 752 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 753 temp->volumeDescriptorData[6] = 1; 754 temp->sector = sector; 755 memcpy(temp->volumeDescriptorData + 1, 756 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 757 diskStructure->firstVolumeDescriptor = temp; 758 759 sector++; 760 /* Set up boot support if enabled. BVD must reside in sector 17 */ 761 if (diskStructure->is_bootable) { 762 t = emalloc(sizeof(*t)); 763 t->volumeDescriptorData = ecalloc(1, 2048); 764 temp->next = t; 765 temp = t; 766 t->sector = 17; 767 if (diskStructure->verbose_level > 0) 768 printf("Setting up boot volume descriptor\n"); 769 cd9660_setup_boot_volume_descriptor(diskStructure, t); 770 sector++; 771 } 772 773 /* Set up the terminator */ 774 t = emalloc(sizeof(*t)); 775 t->volumeDescriptorData = ecalloc(1, 2048); 776 temp->next = t; 777 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 778 t->next = NULL; 779 t->volumeDescriptorData[6] = 1; 780 t->sector = sector; 781 memcpy(t->volumeDescriptorData + 1, 782 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 783 784 sector++; 785 return sector; 786 } 787 788 #if 0 789 /* 790 * Populate EAR at some point. Not required, but is used by NetBSD's 791 * cd9660 support 792 */ 793 static int 794 cd9660_fill_extended_attribute_record(cd9660node *node) 795 { 796 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 797 return 1; 798 } 799 #endif 800 801 static int 802 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 803 { 804 u_char flag; 805 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 806 807 /* Now populate the isoDirRecord structure */ 808 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 809 810 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 811 temp, !(S_ISDIR(newnode->node->type))); 812 813 flag = ISO_FLAG_CLEAR; 814 if (S_ISDIR(newnode->node->type)) 815 flag |= ISO_FLAG_DIRECTORY; 816 817 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 818 flag, strlen(temp), temp); 819 820 cd9660_bothendian_dword(newnode->fileDataLength, 821 newnode->isoDirRecord->size); 822 /* If the file is a link, we want to set the size to 0 */ 823 if (S_ISLNK(newnode->node->type)) 824 newnode->fileDataLength = 0; 825 826 return 1; 827 } 828 829 /* 830 * Translate fsnode to cd9660node 831 * Translate filenames and other metadata, including dates, sizes, 832 * permissions, etc 833 * @param struct fsnode * The node generated by makefs 834 * @param struct cd9660node * The intermediate node to be written to 835 * @returns int 0 on failure, 1 on success 836 */ 837 static int 838 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 839 cd9660node *newnode) 840 { 841 if (node == NULL) { 842 if (diskStructure->verbose_level > 0) 843 printf("%s: NULL node passed, returning\n", __func__); 844 return 0; 845 } 846 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 847 /* Set the node pointer */ 848 newnode->node = node; 849 850 /* Set the size */ 851 if (!(S_ISDIR(node->type))) 852 newnode->fileDataLength = node->inode->st.st_size; 853 854 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 855 return 0; 856 857 /* Finally, overwrite some of the values that are set by default */ 858 cd9660_time_915(newnode->isoDirRecord->date, 859 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 860 861 return 1; 862 } 863 864 /* 865 * Compares two ISO filenames 866 * @param const char * The first file name 867 * @param const char * The second file name 868 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 869 * the second is greater than the first 870 */ 871 static int 872 cd9660_compare_filename(const char *first, const char *second) 873 { 874 /* 875 * This can be made more optimal once it has been tested 876 * (the extra character, for example, is for testing) 877 */ 878 879 int p1 = 0; 880 int p2 = 0; 881 char c1, c2; 882 /* First, on the filename */ 883 884 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 885 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 886 c1 = first[p1]; 887 c2 = second[p2]; 888 if (c1 == '.' && c2 =='.') 889 break; 890 else if (c1 == '.') { 891 p2++; 892 c1 = ' '; 893 } else if (c2 == '.') { 894 p1++; 895 c2 = ' '; 896 } else { 897 p1++; 898 p2++; 899 } 900 901 if (c1 < c2) 902 return -1; 903 else if (c1 > c2) { 904 return 1; 905 } 906 } 907 908 if (first[p1] == '.' && second[p2] == '.') { 909 p1++; 910 p2++; 911 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 912 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 913 c1 = first[p1]; 914 c2 = second[p2]; 915 if (c1 == ';' && c2 == ';') 916 break; 917 else if (c1 == ';') { 918 p2++; 919 c1 = ' '; 920 } else if (c2 == ';') { 921 p1++; 922 c2 = ' '; 923 } else { 924 p1++; 925 p2++; 926 } 927 928 if (c1 < c2) 929 return -1; 930 else if (c1 > c2) 931 return 1; 932 } 933 } 934 return 0; 935 } 936 937 /* 938 * Insert a node into list with ISO sorting rules 939 * @param cd9660node * The head node of the list 940 * @param cd9660node * The node to be inserted 941 */ 942 static void 943 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 944 { 945 int compare; 946 cd9660node *cn; 947 struct cd9660_children_head *head = &parent->cn_children; 948 949 /* TODO: Optimize? */ 950 cn_new->parent = parent; 951 952 /* 953 * first will either be 0, the . or the .. 954 * if . or .., this means no other entry may be written before first 955 * if 0, the new node may be inserted at the head 956 */ 957 958 TAILQ_FOREACH(cn, head, cn_next_child) { 959 /* 960 * Dont insert a node twice - 961 * that would cause an infinite loop 962 */ 963 if (cn_new == cn) 964 return; 965 966 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 967 cn->isoDirRecord->name); 968 969 if (compare == 0) 970 compare = cd9660_compare_filename(cn_new->node->name, 971 cn->node->name); 972 973 if (compare < 0) 974 break; 975 } 976 if (cn == NULL) 977 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 978 else 979 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 980 } 981 982 /* 983 * Called After cd9660_sorted_child_insert 984 * handles file collisions by suffixing each filename with ~n 985 * where n represents the files respective place in the ordering 986 */ 987 static int 988 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 989 int past) 990 { 991 cd9660node *iter, *next, *prev; 992 int skip; 993 int delete_chars = 0; 994 int temp_past = past; 995 int temp_skip; 996 int flag = 0; 997 cd9660node *end_of_range; 998 999 for (iter = TAILQ_FIRST(&colliding->cn_children); 1000 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1001 if (strcmp(iter->isoDirRecord->name, 1002 next->isoDirRecord->name) != 0) { 1003 iter = TAILQ_NEXT(iter, cn_next_child); 1004 continue; 1005 } 1006 flag = 1; 1007 temp_skip = skip = cd9660_count_collisions(iter); 1008 end_of_range = iter; 1009 while (temp_skip > 0) { 1010 temp_skip--; 1011 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1012 } 1013 temp_past = past; 1014 while (temp_past > 0) { 1015 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1016 end_of_range = next; 1017 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1018 iter = prev; 1019 else 1020 delete_chars++; 1021 temp_past--; 1022 } 1023 skip += past; 1024 iter = cd9660_rename_filename(diskStructure, iter, skip, 1025 delete_chars); 1026 } 1027 return flag; 1028 } 1029 1030 1031 static cd9660node * 1032 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1033 int delete_chars) 1034 { 1035 int i = 0; 1036 int numbts, digit, digits, temp, powers, count; 1037 char *naming; 1038 int maxlength; 1039 char *tmp; 1040 1041 if (diskStructure->verbose_level > 0) 1042 printf("Rename_filename called\n"); 1043 1044 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1045 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1046 if (diskStructure->isoLevel == 1) 1047 maxlength = 8; 1048 else if (diskStructure->isoLevel == 2) 1049 maxlength = 31; 1050 else 1051 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1052 1053 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1054 1055 while (i < num && iter) { 1056 powers = 1; 1057 count = 0; 1058 digits = 1; 1059 while (((int)(i / powers) ) >= 10) { 1060 digits++; 1061 powers = powers * 10; 1062 } 1063 1064 naming = iter->o_name; 1065 1066 /* 1067 while ((*naming != '.') && (*naming != ';')) { 1068 naming++; 1069 count++; 1070 } 1071 */ 1072 1073 while (count < maxlength) { 1074 if (*naming == ';') 1075 break; 1076 naming++; 1077 count++; 1078 } 1079 1080 if ((count + digits) < maxlength) 1081 numbts = count; 1082 else 1083 numbts = maxlength - (digits); 1084 numbts -= delete_chars; 1085 1086 /* 8.3 rules - keep the extension, add before the dot */ 1087 1088 /* 1089 * This code makes a bunch of assumptions. 1090 * See if you can spot them all :) 1091 */ 1092 1093 #if 0 1094 if (diskStructure->isoLevel == 1) { 1095 numbts = 8 - digits - delete_chars; 1096 if (dot < 0) { 1097 1098 } else { 1099 if (dot < 8) { 1100 memmove(&tmp[numbts],&tmp[dot],4); 1101 } 1102 } 1103 } 1104 #endif 1105 1106 /* (copying just the filename before the '.' */ 1107 memcpy(tmp, (iter->o_name), numbts); 1108 1109 /* adding the appropriate number following the name */ 1110 temp = i; 1111 while (digits > 0) { 1112 digit = (int)(temp / powers); 1113 temp = temp - digit * powers; 1114 sprintf(&tmp[numbts] , "%d", digit); 1115 digits--; 1116 numbts++; 1117 powers = powers / 10; 1118 } 1119 1120 while ((*naming != ';') && (numbts < maxlength)) { 1121 tmp[numbts] = (*naming); 1122 naming++; 1123 numbts++; 1124 } 1125 1126 tmp[numbts] = ';'; 1127 tmp[numbts+1] = '1'; 1128 tmp[numbts+2] = '\0'; 1129 1130 /* 1131 * now tmp has exactly the identifier 1132 * we want so we'll copy it back to record 1133 */ 1134 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1135 1136 iter = TAILQ_NEXT(iter, cn_next_child); 1137 i++; 1138 } 1139 1140 free(tmp); 1141 return iter; 1142 } 1143 1144 /* Todo: Figure out why these functions are nec. */ 1145 static void 1146 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1147 { 1148 cd9660node *cn; 1149 1150 if (TAILQ_EMPTY(&node->cn_children)) 1151 return; 1152 1153 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1154 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1155 exit(1); 1156 } 1157 1158 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1159 cd9660_copy_filenames(diskStructure, cn); 1160 memcpy(cn->o_name, cn->isoDirRecord->name, 1161 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1162 } 1163 } 1164 1165 static void 1166 cd9660_sorting_nodes(cd9660node *node) 1167 { 1168 cd9660node *cn; 1169 1170 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1171 cd9660_sorting_nodes(cn); 1172 cd9660_sort_nodes(node); 1173 } 1174 1175 /* XXX Bubble sort. */ 1176 static void 1177 cd9660_sort_nodes(cd9660node *node) 1178 { 1179 cd9660node *cn, *next; 1180 1181 do { 1182 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1183 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1184 return; 1185 else if (strcmp(next->isoDirRecord->name, 1186 cn->isoDirRecord->name) >= 0) 1187 continue; 1188 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1189 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1190 break; 1191 } 1192 } while (cn != NULL); 1193 } 1194 1195 static int 1196 cd9660_count_collisions(cd9660node *copy) 1197 { 1198 int count = 0; 1199 cd9660node *iter, *next; 1200 1201 for (iter = copy; 1202 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1203 iter = next) { 1204 if (cd9660_compare_filename(iter->isoDirRecord->name, 1205 next->isoDirRecord->name) == 0) 1206 count++; 1207 else 1208 return count; 1209 } 1210 #if 0 1211 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1212 printf("%s: count is %i\n", __func__, count); 1213 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1214 next->isoDirRecord->name); 1215 if (compare == 0) { 1216 count++; 1217 return cd9660_recurse_on_collision(next, count); 1218 } else 1219 return count; 1220 } 1221 #endif 1222 return count; 1223 } 1224 1225 static cd9660node * 1226 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1227 { 1228 char newname[9]; 1229 cd9660node *tfile; 1230 1231 /* 1232 * This function needs to: 1233 * 1) Create an empty virtual file in place of the old directory 1234 * 2) Point the virtual file to the new directory 1235 * 3) Point the relocated directory to its old parent 1236 * 4) Move the directory specified by dir into rr_moved_dir, 1237 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1238 */ 1239 1240 /* First see if the moved directory even exists */ 1241 if (diskStructure->rr_moved_dir == NULL) { 1242 diskStructure->rr_moved_dir = cd9660_create_directory( 1243 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1244 diskStructure->rootNode, dir); 1245 if (diskStructure->rr_moved_dir == NULL) 1246 return 0; 1247 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1248 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1249 } 1250 1251 /* Create a file with the same ORIGINAL name */ 1252 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1253 dir); 1254 if (tfile == NULL) 1255 return NULL; 1256 1257 diskStructure->rock_ridge_move_count++; 1258 snprintf(newname, sizeof(newname), "%08u", 1259 diskStructure->rock_ridge_move_count); 1260 1261 /* Point to old parent */ 1262 dir->rr_real_parent = dir->parent; 1263 1264 /* Place the placeholder file */ 1265 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1266 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1267 cn_next_child); 1268 } else { 1269 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1270 } 1271 1272 /* Point to new parent */ 1273 dir->parent = diskStructure->rr_moved_dir; 1274 1275 /* Point the file to the moved directory */ 1276 tfile->rr_relocated = dir; 1277 1278 /* Actually move the directory */ 1279 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1280 1281 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1282 1283 /* Set the new name */ 1284 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1285 strncpy(dir->isoDirRecord->name, newname, 8); 1286 dir->isoDirRecord->length[0] = 34 + 8; 1287 dir->isoDirRecord->name_len[0] = 8; 1288 1289 return dir; 1290 } 1291 1292 static int 1293 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1294 { 1295 struct cd9660_children_head *head = &root->cn_children; 1296 cd9660node *cn; 1297 1298 TAILQ_FOREACH(cn, head, cn_next_child) { 1299 if ((cn->type & CD9660_TYPE_DIR) == 0) 1300 continue; 1301 /* Recursion first */ 1302 cd9660_add_dot_records(diskStructure, cn); 1303 } 1304 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1305 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1306 root); 1307 return 1; 1308 } 1309 1310 /* 1311 * Convert node to cd9660 structure 1312 * This function is designed to be called recursively on the root node of 1313 * the filesystem 1314 * Lots of recursion going on here, want to make sure it is efficient 1315 * @param struct fsnode * The root node to be converted 1316 * @param struct cd9660* The parent node (should not be NULL) 1317 * @param int Current directory depth 1318 * @param int* Running count of the number of directories that are being created 1319 */ 1320 static void 1321 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1322 cd9660node *parent_node, int level, int *numDirectories, int *error) 1323 { 1324 fsnode *iterator = root; 1325 cd9660node *this_node; 1326 int working_level; 1327 int add; 1328 int flag = 0; 1329 int counter = 0; 1330 1331 /* 1332 * Newer, more efficient method, reduces recursion depth 1333 */ 1334 if (root == NULL) { 1335 warnx("%s: root is null", __func__); 1336 return; 1337 } 1338 1339 /* Test for an empty directory - makefs still gives us the . record */ 1340 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1341 && (root->name[1] == '\0')) { 1342 root = root->next; 1343 if (root == NULL) 1344 return; 1345 } 1346 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1347 CD9660_MEM_ALLOC_ERROR(__func__); 1348 } 1349 1350 /* 1351 * To reduce the number of recursive calls, we will iterate over 1352 * the next pointers to the right. 1353 */ 1354 while (iterator != NULL) { 1355 add = 1; 1356 /* 1357 * Increment the directory count if this is a directory 1358 * Ignore "." entries. We will generate them later 1359 */ 1360 if (!S_ISDIR(iterator->type) || 1361 strcmp(iterator->name, ".") != 0) { 1362 1363 /* Translate the node, including its filename */ 1364 this_node->parent = parent_node; 1365 cd9660_translate_node(diskStructure, iterator, 1366 this_node); 1367 this_node->level = level; 1368 1369 if (S_ISDIR(iterator->type)) { 1370 (*numDirectories)++; 1371 this_node->type = CD9660_TYPE_DIR; 1372 working_level = level + 1; 1373 1374 /* 1375 * If at level 8, directory would be at 8 1376 * and have children at 9 which is not 1377 * allowed as per ISO spec 1378 */ 1379 if (level == 8) { 1380 if ((!diskStructure->allow_deep_trees) && 1381 (!diskStructure->rock_ridge_enabled)) { 1382 warnx("error: found entry " 1383 "with depth greater " 1384 "than 8."); 1385 (*error) = 1; 1386 return; 1387 } else if (diskStructure-> 1388 rock_ridge_enabled) { 1389 working_level = 3; 1390 /* 1391 * Moved directory is actually 1392 * at level 2. 1393 */ 1394 this_node->level = 1395 working_level - 1; 1396 if (cd9660_rrip_move_directory( 1397 diskStructure, 1398 this_node) == NULL) { 1399 warnx("Failure in " 1400 "cd9660_rrip_" 1401 "move_directory" 1402 ); 1403 (*error) = 1; 1404 return; 1405 } 1406 add = 0; 1407 } 1408 } 1409 1410 /* Do the recursive call on the children */ 1411 if (iterator->child != NULL) { 1412 cd9660_convert_structure(diskStructure, 1413 iterator->child, this_node, 1414 working_level, 1415 numDirectories, error); 1416 1417 if ((*error) == 1) { 1418 warnx("%s: Error on recursive " 1419 "call", __func__); 1420 return; 1421 } 1422 } 1423 1424 } else { 1425 /* Only directories should have children */ 1426 assert(iterator->child == NULL); 1427 1428 this_node->type = CD9660_TYPE_FILE; 1429 } 1430 1431 /* 1432 * Finally, do a sorted insert 1433 */ 1434 if (add) { 1435 cd9660_sorted_child_insert( 1436 parent_node, this_node); 1437 } 1438 1439 /*Allocate new temp_node */ 1440 if (iterator->next != NULL) { 1441 this_node = cd9660_allocate_cd9660node(); 1442 if (this_node == NULL) 1443 CD9660_MEM_ALLOC_ERROR(__func__); 1444 } 1445 } 1446 iterator = iterator->next; 1447 } 1448 1449 /* cd9660_handle_collisions(first_node); */ 1450 1451 /* TODO: need cleanup */ 1452 cd9660_copy_filenames(diskStructure, parent_node); 1453 1454 do { 1455 flag = cd9660_handle_collisions(diskStructure, parent_node, 1456 counter); 1457 counter++; 1458 cd9660_sorting_nodes(parent_node); 1459 } while ((flag == 1) && (counter < 100)); 1460 } 1461 1462 /* 1463 * Clean up the cd9660node tree 1464 * This is designed to be called recursively on the root node 1465 * @param struct cd9660node *root The node to free 1466 * @returns void 1467 */ 1468 static void 1469 cd9660_free_structure(cd9660node *root) 1470 { 1471 cd9660node *cn; 1472 1473 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1474 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1475 cd9660_free_structure(cn); 1476 } 1477 free(root); 1478 } 1479 1480 /* 1481 * Be a little more memory conservative: 1482 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1483 * just create a temporary structure 1484 */ 1485 static struct ptq_entry 1486 { 1487 TAILQ_ENTRY(ptq_entry) ptq; 1488 cd9660node *node; 1489 } *n; 1490 1491 #define PTQUEUE_NEW(n,s,r,t){\ 1492 n = emalloc(sizeof(struct s)); \ 1493 n->node = t;\ 1494 } 1495 1496 /* 1497 * Generate the path tables 1498 * The specific implementation of this function is left as an exercise to the 1499 * programmer. It could be done recursively. Make sure you read how the path 1500 * table has to be laid out, it has levels. 1501 * @param struct iso9660_disk *disk The disk image 1502 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1503 */ 1504 static int 1505 cd9660_generate_path_table(iso9660_disk *diskStructure) 1506 { 1507 cd9660node *cn, *dirNode = diskStructure->rootNode; 1508 cd9660node *last = dirNode; 1509 int pathTableSize = 0; /* computed as we go */ 1510 int counter = 1; /* root gets a count of 0 */ 1511 1512 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1513 TAILQ_INIT(&pt_head); 1514 1515 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1516 1517 /* Push the root node */ 1518 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1519 1520 /* Breadth-first traversal of file structure */ 1521 while (pt_head.tqh_first != 0) { 1522 n = pt_head.tqh_first; 1523 dirNode = n->node; 1524 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1525 free(n); 1526 1527 /* Update the size */ 1528 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1529 + dirNode->isoDirRecord->name_len[0]+ 1530 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1531 /* includes the padding bit */ 1532 1533 dirNode->ptnumber=counter; 1534 if (dirNode != last) { 1535 last->ptnext = dirNode; 1536 dirNode->ptprev = last; 1537 } 1538 last = dirNode; 1539 1540 /* Push children onto queue */ 1541 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1542 /* 1543 * Dont add the DOT and DOTDOT types to the path 1544 * table. 1545 */ 1546 if ((cn->type != CD9660_TYPE_DOT) 1547 && (cn->type != CD9660_TYPE_DOTDOT)) { 1548 1549 if (S_ISDIR(cn->node->type)) { 1550 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1551 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1552 } 1553 } 1554 } 1555 counter++; 1556 } 1557 return pathTableSize; 1558 } 1559 1560 void 1561 cd9660_compute_full_filename(cd9660node *node, char *buf) 1562 { 1563 int len; 1564 1565 len = PATH_MAX; 1566 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1567 node->node->path, node->node->name); 1568 if (len >= PATH_MAX) 1569 errx(EXIT_FAILURE, "Pathname too long."); 1570 } 1571 1572 /* 1573 * TODO: These two functions are almost identical. 1574 * Some code cleanup is possible here 1575 * 1576 * XXX bounds checking! 1577 */ 1578 static int 1579 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1580 char *newname, int is_file) 1581 { 1582 /* 1583 * ISO 9660 : 10.1 1584 * File Name shall not contain more than 8 d or d1 characters 1585 * File Name Extension shall not contain more than 3 d or d1 characters 1586 * Directory Identifier shall not contain more than 8 d or d1 characters 1587 */ 1588 int namelen = 0; 1589 int extlen = 0; 1590 int found_ext = 0; 1591 1592 while (*oldname != '\0' && extlen < 3) { 1593 /* Handle period first, as it is special */ 1594 if (*oldname == '.') { 1595 if (found_ext) { 1596 *newname++ = '_'; 1597 extlen ++; 1598 } 1599 else { 1600 *newname++ = '.'; 1601 found_ext = 1; 1602 } 1603 } else { 1604 /* cut RISC OS file type off ISO name */ 1605 if (diskStructure->archimedes_enabled && 1606 *oldname == ',' && strlen(oldname) == 4) 1607 break; 1608 1609 /* Enforce 12.3 / 8 */ 1610 if (namelen == 8 && !found_ext) 1611 break; 1612 1613 if (islower((unsigned char)*oldname)) 1614 *newname++ = toupper((unsigned char)*oldname); 1615 else if (isupper((unsigned char)*oldname) 1616 || isdigit((unsigned char)*oldname)) 1617 *newname++ = *oldname; 1618 else 1619 *newname++ = '_'; 1620 1621 if (found_ext) 1622 extlen++; 1623 else 1624 namelen++; 1625 } 1626 oldname++; 1627 } 1628 if (is_file) { 1629 if (!found_ext && !diskStructure->omit_trailing_period) 1630 *newname++ = '.'; 1631 /* Add version */ 1632 sprintf(newname, ";%i", 1); 1633 } 1634 return namelen + extlen + found_ext; 1635 } 1636 1637 /* XXX bounds checking! */ 1638 static int 1639 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1640 char *newname, int is_file) 1641 { 1642 /* 1643 * ISO 9660 : 7.5.1 1644 * File name : 0+ d or d1 characters 1645 * separator 1 (.) 1646 * File name extension : 0+ d or d1 characters 1647 * separator 2 (;) 1648 * File version number (5 characters, 1-32767) 1649 * 1 <= Sum of File name and File name extension <= 30 1650 */ 1651 int namelen = 0; 1652 int extlen = 0; 1653 int found_ext = 0; 1654 1655 while (*oldname != '\0' && namelen + extlen < 30) { 1656 /* Handle period first, as it is special */ 1657 if (*oldname == '.') { 1658 if (found_ext) { 1659 if (diskStructure->allow_multidot) { 1660 *newname++ = '.'; 1661 } else { 1662 *newname++ = '_'; 1663 } 1664 extlen ++; 1665 } 1666 else { 1667 *newname++ = '.'; 1668 found_ext = 1; 1669 } 1670 } else { 1671 /* cut RISC OS file type off ISO name */ 1672 if (diskStructure->archimedes_enabled && 1673 *oldname == ',' && strlen(oldname) == 4) 1674 break; 1675 1676 if (islower((unsigned char)*oldname)) 1677 *newname++ = toupper((unsigned char)*oldname); 1678 else if (isupper((unsigned char)*oldname) || 1679 isdigit((unsigned char)*oldname)) 1680 *newname++ = *oldname; 1681 else if (diskStructure->allow_multidot && 1682 *oldname == '.') { 1683 *newname++ = '.'; 1684 } else { 1685 *newname++ = '_'; 1686 } 1687 1688 if (found_ext) 1689 extlen++; 1690 else 1691 namelen++; 1692 } 1693 oldname ++; 1694 } 1695 if (is_file) { 1696 if (!found_ext && !diskStructure->omit_trailing_period) 1697 *newname++ = '.'; 1698 /* Add version */ 1699 sprintf(newname, ";%i", 1); 1700 } 1701 return namelen + extlen + found_ext; 1702 } 1703 1704 /* 1705 * Convert a file name to ISO compliant file name 1706 * @param char * oldname The original filename 1707 * @param char ** newname The new file name, in the appropriate character 1708 * set and of appropriate length 1709 * @param int 1 if file, 0 if directory 1710 * @returns int The length of the new string 1711 */ 1712 static int 1713 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1714 char *newname, int is_file) 1715 { 1716 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1717 if (diskStructure->isoLevel == 1) 1718 return(cd9660_level1_convert_filename(diskStructure, 1719 oldname, newname, is_file)); 1720 else if (diskStructure->isoLevel == 2) 1721 return (cd9660_level2_convert_filename(diskStructure, 1722 oldname, newname, is_file)); 1723 abort(); 1724 } 1725 1726 int 1727 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1728 { 1729 int size = node->isoDirRecord->length[0]; 1730 1731 if (diskStructure->rock_ridge_enabled) 1732 size += node->susp_entry_size; 1733 size += node->su_tail_size; 1734 size += size & 1; /* Ensure length of record is even. */ 1735 assert(size <= 254); 1736 return size; 1737 } 1738 1739 static void 1740 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1741 { 1742 node->dot_record->fileDataSector = node->fileDataSector; 1743 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1744 node->dot_record->isoDirRecord->name_len[0] = 1; 1745 node->dot_record->isoDirRecord->name[0] = 0; 1746 node->dot_record->isoDirRecord->name[1] = 0; 1747 node->dot_record->isoDirRecord->length[0] = 34; 1748 node->dot_record->fileRecordSize = 1749 cd9660_compute_record_size(diskStructure, node->dot_record); 1750 1751 if (node == diskStructure->rootNode) { 1752 node->dot_dot_record->fileDataSector = node->fileDataSector; 1753 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1754 34); 1755 } else { 1756 node->dot_dot_record->fileDataSector = 1757 node->parent->fileDataSector; 1758 memcpy(node->dot_dot_record->isoDirRecord, 1759 node->parent->isoDirRecord,34); 1760 } 1761 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1762 node->dot_dot_record->isoDirRecord->name[0] = 1; 1763 node->dot_dot_record->isoDirRecord->name[1] = 0; 1764 node->dot_dot_record->isoDirRecord->length[0] = 34; 1765 node->dot_dot_record->fileRecordSize = 1766 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1767 } 1768 1769 /* 1770 * @param struct cd9660node *node The node 1771 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1772 * @returns int The total size of files and directory entries (should be 1773 * a multiple of sector size) 1774 */ 1775 static int64_t 1776 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1777 int64_t startOffset) 1778 { 1779 /* 1780 * This function needs to compute the size of directory records and 1781 * runs, file lengths, and set the appropriate variables both in 1782 * cd9660node and isoDirEntry 1783 */ 1784 int64_t used_bytes = 0; 1785 int64_t current_sector_usage = 0; 1786 cd9660node *child; 1787 fsinode *inode; 1788 int64_t r; 1789 1790 assert(node != NULL); 1791 1792 1793 /* 1794 * NOTE : There needs to be some special case detection for 1795 * the "real root" node, since for it, node->node is undefined 1796 */ 1797 1798 node->fileDataSector = -1; 1799 1800 if (node->type & CD9660_TYPE_DIR) { 1801 node->fileRecordSize = cd9660_compute_record_size( 1802 diskStructure, node); 1803 /*Set what sector this directory starts in*/ 1804 node->fileDataSector = 1805 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1806 1807 cd9660_bothendian_dword(node->fileDataSector, 1808 node->isoDirRecord->extent); 1809 1810 /* 1811 * First loop over children, need to know the size of 1812 * their directory records 1813 */ 1814 node->fileSectorsUsed = 1; 1815 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1816 node->fileDataLength += 1817 cd9660_compute_record_size(diskStructure, child); 1818 if ((cd9660_compute_record_size(diskStructure, child) + 1819 current_sector_usage) >= 1820 diskStructure->sectorSize) { 1821 current_sector_usage = 0; 1822 node->fileSectorsUsed++; 1823 } 1824 1825 current_sector_usage += 1826 cd9660_compute_record_size(diskStructure, child); 1827 } 1828 1829 cd9660_bothendian_dword(node->fileSectorsUsed * 1830 diskStructure->sectorSize,node->isoDirRecord->size); 1831 1832 /* 1833 * This should point to the sector after the directory 1834 * record (or, the first byte in that sector) 1835 */ 1836 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1837 1838 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1839 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1840 /* Directories need recursive call */ 1841 if (S_ISDIR(child->node->type)) { 1842 r = cd9660_compute_offsets(diskStructure, child, 1843 used_bytes + startOffset); 1844 1845 if (r != -1) 1846 used_bytes += r; 1847 else 1848 return -1; 1849 } 1850 } 1851 1852 /* Explicitly set the . and .. records */ 1853 cd9660_populate_dot_records(diskStructure, node); 1854 1855 /* Finally, do another iteration to write the file data*/ 1856 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1857 child != NULL; 1858 child = TAILQ_NEXT(child, cn_next_child)) { 1859 /* Files need extent set */ 1860 if (S_ISDIR(child->node->type)) 1861 continue; 1862 child->fileRecordSize = 1863 cd9660_compute_record_size(diskStructure, child); 1864 1865 child->fileSectorsUsed = 1866 CD9660_BLOCKS(diskStructure->sectorSize, 1867 child->fileDataLength); 1868 1869 inode = child->node->inode; 1870 if ((inode->flags & FI_ALLOCATED) == 0) { 1871 inode->ino = 1872 CD9660_BLOCKS(diskStructure->sectorSize, 1873 used_bytes + startOffset); 1874 inode->flags |= FI_ALLOCATED; 1875 used_bytes += child->fileSectorsUsed * 1876 diskStructure->sectorSize; 1877 } else { 1878 INODE_WARNX(("%s: already allocated inode %d " 1879 "data sectors at %" PRIu32, __func__, 1880 (int)inode->st.st_ino, inode->ino)); 1881 } 1882 child->fileDataSector = inode->ino; 1883 cd9660_bothendian_dword(child->fileDataSector, 1884 child->isoDirRecord->extent); 1885 } 1886 } 1887 1888 return used_bytes; 1889 } 1890 1891 #if 0 1892 /* Might get rid of this func */ 1893 static int 1894 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1895 { 1896 to->node->inode->st.st_dev = 0; 1897 to->node->inode->st.st_ino = 0; 1898 to->node->inode->st.st_size = 0; 1899 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1900 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1901 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1902 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1903 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1904 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1905 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1906 /* Clear out type */ 1907 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1908 if (file) 1909 to->node->inode->st.st_mode |= S_IFREG; 1910 else 1911 to->node->inode->st.st_mode |= S_IFDIR; 1912 return 1; 1913 } 1914 #endif 1915 1916 static cd9660node * 1917 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1918 cd9660node *parent, int file, int insert) 1919 { 1920 cd9660node *temp; 1921 fsnode * tfsnode; 1922 1923 assert(parent != NULL); 1924 1925 temp = cd9660_allocate_cd9660node(); 1926 if (temp == NULL) 1927 return NULL; 1928 1929 tfsnode = emalloc(sizeof(*tfsnode)); 1930 tfsnode->name = estrdup(name); 1931 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1932 1933 cd9660_convert_filename(diskStructure, tfsnode->name, 1934 temp->isoDirRecord->name, file); 1935 1936 temp->node = tfsnode; 1937 temp->parent = parent; 1938 1939 if (insert) { 1940 if (temp->parent != NULL) { 1941 temp->level = temp->parent->level + 1; 1942 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1943 cd9660_sorted_child_insert(temp->parent, temp); 1944 else 1945 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1946 temp, cn_next_child); 1947 } 1948 } 1949 1950 if (parent->node != NULL) { 1951 tfsnode->type = parent->node->type; 1952 } 1953 1954 /* Clear out file type bits */ 1955 tfsnode->type &= ~(S_IFMT); 1956 if (file) 1957 tfsnode->type |= S_IFREG; 1958 else 1959 tfsnode->type |= S_IFDIR; 1960 1961 /* Indicate that there is no spec entry (inode) */ 1962 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1963 #if 0 1964 cd9660_copy_stat_info(parent, temp, file); 1965 #endif 1966 return temp; 1967 } 1968 1969 static cd9660node * 1970 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 1971 cd9660node *parent, cd9660node *me) 1972 { 1973 cd9660node *temp; 1974 1975 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 1976 if (temp == NULL) 1977 return NULL; 1978 1979 temp->fileDataLength = 0; 1980 1981 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 1982 1983 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 1984 *temp->node->inode = *me->node->inode; 1985 1986 if (cd9660_translate_node_common(diskStructure, temp) == 0) 1987 return NULL; 1988 return temp; 1989 } 1990 1991 /* 1992 * Create a new directory which does not exist on disk 1993 * @param const char * name The name to assign to the directory 1994 * @param const char * parent Pointer to the parent directory 1995 * @returns cd9660node * Pointer to the new directory 1996 */ 1997 static cd9660node * 1998 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 1999 cd9660node *parent, cd9660node *me) 2000 { 2001 cd9660node *temp; 2002 2003 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2004 if (temp == NULL) 2005 return NULL; 2006 temp->node->type |= S_IFDIR; 2007 2008 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2009 2010 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2011 *temp->node->inode = *me->node->inode; 2012 2013 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2014 return NULL; 2015 return temp; 2016 } 2017 2018 static cd9660node * 2019 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2020 cd9660node *parent) 2021 { 2022 cd9660node *temp, *first; 2023 char na[2]; 2024 2025 assert(parent != NULL); 2026 2027 if (type == CD9660_TYPE_DOT) 2028 na[0] = 0; 2029 else if (type == CD9660_TYPE_DOTDOT) 2030 na[0] = 1; 2031 else 2032 return 0; 2033 2034 na[1] = 0; 2035 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2036 0, 0)) == NULL) 2037 return NULL; 2038 2039 temp->parent = parent; 2040 temp->type = type; 2041 temp->isoDirRecord->length[0] = 34; 2042 /* Dot record is always first */ 2043 if (type == CD9660_TYPE_DOT) { 2044 parent->dot_record = temp; 2045 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2046 /* DotDot should be second */ 2047 } else if (type == CD9660_TYPE_DOTDOT) { 2048 parent->dot_dot_record = temp; 2049 /* 2050 * If the first child is the dot record, insert 2051 * this second. Otherwise, insert it at the head. 2052 */ 2053 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2054 (first->type & CD9660_TYPE_DOT) == 0) { 2055 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2056 cn_next_child); 2057 } else { 2058 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2059 cn_next_child); 2060 } 2061 } 2062 2063 return temp; 2064 } 2065 2066 static int 2067 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2068 { 2069 struct stat stbuf; 2070 2071 assert(bootimage != NULL); 2072 2073 if (*bootimage == '\0') { 2074 warnx("Error: Boot image must be a filename"); 2075 return 0; 2076 } 2077 2078 diskStructure->generic_bootimage = estrdup(bootimage); 2079 2080 /* Get information about the file */ 2081 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2082 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2083 diskStructure->generic_bootimage); 2084 2085 if (stbuf.st_size > 32768) { 2086 warnx("Error: Boot image must be no greater than 32768 bytes"); 2087 return 0; 2088 } 2089 2090 if (diskStructure->verbose_level > 0) { 2091 printf("Generic boot image has size %lld\n", 2092 (long long)stbuf.st_size); 2093 } 2094 2095 diskStructure->has_generic_bootimage = 1; 2096 2097 return 1; 2098 } 2099