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