1 /* $NetBSD: cd9660.c,v 1.61 2026/01/07 16:04:51 nia Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34 /* 35 * Copyright (c) 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Luke Mewburn for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68 /* 69 * Copyright (c) 1982, 1986, 1989, 1993 70 * The Regents of the University of California. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 */ 97 98 #if HAVE_NBTOOL_CONFIG_H 99 #include "nbtool_config.h" 100 #else 101 #include <sys/mount.h> 102 #endif 103 104 #include <sys/cdefs.h> 105 #if defined(__RCSID) && !defined(__lint) 106 __RCSID("$NetBSD: cd9660.c,v 1.61 2026/01/07 16:04:51 nia Exp $"); 107 #endif /* !__lint */ 108 109 #include <string.h> 110 #include <ctype.h> 111 #include <sys/param.h> 112 #include <sys/queue.h> 113 #include <util.h> 114 115 #include "makefs.h" 116 #include "cd9660.h" 117 #include "cd9660/iso9660_rrip.h" 118 #include "cd9660/cd9660_archimedes.h" 119 120 /* 121 * Global variables 122 */ 123 124 static void cd9660_finalize_PVD(iso9660_disk *); 125 static cd9660node *cd9660_allocate_cd9660node(void); 126 static void cd9660_set_defaults(iso9660_disk *); 127 static int cd9660_arguments_set_string(const char *, const char *, size_t, 128 char, char *); 129 static void cd9660_populate_iso_dir_record( 130 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 131 const char *); 132 static void cd9660_setup_root_node(iso9660_disk *); 133 static int cd9660_setup_volume_descriptors(iso9660_disk *); 134 #if 0 135 static int cd9660_fill_extended_attribute_record(cd9660node *); 136 #endif 137 static void cd9660_sort_nodes(cd9660node *); 138 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 139 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 140 static int cd9660_compare_filename(const char *, const char *); 141 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 142 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 143 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 144 int); 145 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 146 static void cd9660_sorting_nodes(cd9660node *); 147 static int cd9660_count_collisions(cd9660node *); 148 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 149 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 150 151 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 152 int *, int *); 153 static void cd9660_free_structure(cd9660node *); 154 static int cd9660_generate_path_table(iso9660_disk *); 155 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 156 int); 157 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 158 int); 159 #if 0 160 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 161 int); 162 #endif 163 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 164 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 165 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 166 #if 0 167 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 168 #endif 169 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 170 cd9660node *, int, int); 171 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 172 cd9660node *, cd9660node *); 173 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 174 cd9660node *, cd9660node *); 175 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 176 cd9660node *); 177 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 178 179 180 /* 181 * Allocate and initialize a cd9660node 182 * @returns struct cd9660node * Pointer to new node, or NULL on error 183 */ 184 static cd9660node * 185 cd9660_allocate_cd9660node(void) 186 { 187 cd9660node *temp = ecalloc(1, sizeof(*temp)); 188 TAILQ_INIT(&temp->cn_children); 189 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 190 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 191 temp->node = NULL; 192 temp->isoDirRecord = NULL; 193 temp->isoExtAttributes = NULL; 194 temp->rr_real_parent = temp->rr_relocated = NULL; 195 temp->su_tail_data = NULL; 196 return temp; 197 } 198 199 int cd9660_defaults_set = 0; 200 201 /** 202 * Set default values for cd9660 extension to makefs 203 */ 204 static void 205 cd9660_set_defaults(iso9660_disk *diskStructure) 206 { 207 /*Fix the sector size for now, though the spec allows for other sizes*/ 208 diskStructure->sectorSize = 2048; 209 210 /* Set up defaults in our own structure */ 211 diskStructure->verbose_level = 0; 212 diskStructure->keep_bad_images = 0; 213 diskStructure->follow_sym_links = 0; 214 diskStructure->isoLevel = 2; 215 216 diskStructure->rock_ridge_enabled = 0; 217 diskStructure->rock_ridge_renamed_dir_name = 0; 218 diskStructure->rock_ridge_move_count = 0; 219 diskStructure->rr_moved_dir = 0; 220 221 diskStructure->archimedes_enabled = 0; 222 diskStructure->chrp_boot = 0; 223 224 diskStructure->include_padding_areas = 1; 225 226 /* Spec breaking functionality */ 227 diskStructure->allow_deep_trees = 228 diskStructure->allow_start_dot = 229 diskStructure->allow_max_name = 230 diskStructure->allow_illegal_chars = 231 diskStructure->allow_lowercase = 232 diskStructure->allow_multidot = 233 diskStructure->omit_trailing_period = 0; 234 235 /* Make sure the PVD is clear */ 236 memset(&diskStructure->primaryDescriptor, 0, 2048); 237 238 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 239 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 240 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 241 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 242 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 243 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 244 245 strcpy(diskStructure->primaryDescriptor.system_id,"NetBSD"); 246 247 cd9660_defaults_set = 1; 248 249 /* Boot support: Initially disabled */ 250 diskStructure->has_generic_bootimage = 0; 251 diskStructure->generic_bootimage = NULL; 252 253 diskStructure->boot_image_directory = 0; 254 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 255 256 diskStructure->is_bootable = 0; 257 TAILQ_INIT(&diskStructure->boot_images); 258 LIST_INIT(&diskStructure->boot_entries); 259 } 260 261 void 262 cd9660_prep_opts(fsinfo_t *fsopts) 263 { 264 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 265 266 #define OPT_STR(letter, name, desc) \ 267 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 268 269 #define OPT_NUM(letter, name, field, min, max, desc) \ 270 { letter, name, &diskStructure->field, \ 271 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 272 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 273 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 274 min, max, desc } 275 276 #define OPT_BOOL(letter, name, field, desc) \ 277 OPT_NUM(letter, name, field, 0, 1, desc) 278 279 const option_t cd9660_options[] = { 280 OPT_NUM('l', "isolevel", isoLevel, 281 1, 3, "ISO Level"), 282 OPT_NUM('v', "verbose", verbose_level, 283 0, 2, "Turns on verbose output"), 284 285 OPT_BOOL('h', "help", displayHelp, 286 "Show help message"), 287 OPT_BOOL('S', "follow-symlinks", follow_sym_links, 288 "Resolve symlinks in pathnames"), 289 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 290 "Enable Rock-Ridge extensions"), 291 OPT_BOOL('C', "chrp-boot", chrp_boot, 292 "Enable CHRP boot"), 293 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 294 "Keep bad images"), 295 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 296 "Allow trees more than 8 levels"), 297 OPT_BOOL('a', "allow-max-name", allow_max_name, 298 "Allow 37 char filenames (unimplemented)"), 299 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 300 "Allow illegal characters in filenames"), 301 OPT_BOOL('m', "allow-multidot", allow_multidot, 302 "Allow multiple periods in filenames"), 303 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 304 "Omit trailing periods in filenames"), 305 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 306 "Allow lowercase characters in filenames"), 307 OPT_BOOL('\0', "archimedes", archimedes_enabled, 308 "Enable Archimedes structure"), 309 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 310 "Include padding areas"), 311 312 OPT_STR('A', "applicationid", "Application Identifier"), 313 OPT_STR('P', "publisher", "Publisher Identifier"), 314 OPT_STR('p', "preparer", "Preparer Identifier"), 315 OPT_STR('L', "label", "Disk Label"), 316 OPT_STR('V', "volumeid", "Volume Set Identifier"), 317 OPT_STR('B', "bootimage", "Boot image parameter"), 318 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 319 OPT_STR('\0', "bootimagedir", "Boot image directory"), 320 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 321 OPT_STR('\0', "no-boot", "No boot support"), 322 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 323 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 324 OPT_STR('\0', "platformid", "Section Header Platform ID"), 325 326 { .name = NULL } 327 }; 328 329 fsopts->fs_specific = diskStructure; 330 fsopts->fs_options = copy_opts(cd9660_options); 331 332 cd9660_set_defaults(diskStructure); 333 } 334 335 void 336 cd9660_cleanup_opts(fsinfo_t *fsopts) 337 { 338 free(fsopts->fs_specific); 339 free(fsopts->fs_options); 340 } 341 342 static int 343 cd9660_arguments_set_string(const char *val, const char *fieldtitle, 344 size_t length, char testmode, char * dest) 345 { 346 size_t len; 347 int test; 348 349 if (val == NULL) 350 warnx("error: The %s requires a string argument", fieldtitle); 351 else if ((len = strlen(val)) <= length) { 352 if (testmode == 'd') 353 test = cd9660_valid_d_chars(val); 354 else 355 test = cd9660_valid_a_chars(val); 356 if (test) { 357 memcpy(dest, val, len); 358 if (test == 2) 359 cd9660_uppercase_characters(dest, len); 360 return 1; 361 } else 362 warnx("error: The %s must be composed of " 363 "%c-characters", fieldtitle, testmode); 364 } else 365 warnx("error: The %s must be at most 32 characters long", 366 fieldtitle); 367 return 0; 368 } 369 370 /* 371 * Command-line parsing function 372 */ 373 374 int 375 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 376 { 377 int rv, i; 378 iso9660_disk *diskStructure = fsopts->fs_specific; 379 option_t *cd9660_options = fsopts->fs_options; 380 char buf[1024]; 381 const char *name, *desc; 382 383 assert(option != NULL); 384 385 if (debug & DEBUG_FS_PARSE_OPTS) 386 printf("%s: got `%s'\n", __func__, option); 387 388 i = set_option(cd9660_options, option, buf, sizeof(buf)); 389 if (i == -1) 390 return 0; 391 392 if (cd9660_options[i].name == NULL) 393 abort(); 394 395 396 name = cd9660_options[i].name; 397 desc = cd9660_options[i].desc; 398 switch (cd9660_options[i].letter) { 399 case 'h': 400 case 'S': 401 rv = 0; /* this is not handled yet */ 402 break; 403 case 'L': 404 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 405 diskStructure->primaryDescriptor.volume_id); 406 break; 407 case 'A': 408 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 409 diskStructure->primaryDescriptor.application_id); 410 break; 411 case 'P': 412 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 413 diskStructure->primaryDescriptor.publisher_id); 414 break; 415 case 'p': 416 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 417 diskStructure->primaryDescriptor.preparer_id); 418 break; 419 case 'V': 420 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 421 diskStructure->primaryDescriptor.volume_set_id); 422 break; 423 /* Boot options */ 424 case 'B': 425 if (buf[0] == '\0') { 426 warnx("The Boot Image parameter requires a valid boot" 427 " information string"); 428 rv = 0; 429 } else 430 rv = cd9660_add_boot_disk(diskStructure, buf); 431 break; 432 case 'G': 433 if (buf[0] == '\0') { 434 warnx("The Generic Boot Image parameter requires a" 435 " valid boot information string"); 436 rv = 0; 437 } else 438 rv = cd9660_add_generic_bootimage(diskStructure, buf); 439 break; 440 default: 441 if (strcmp(name, "bootimagedir") == 0) { 442 /* 443 * XXXfvdl this is unused. 444 */ 445 if (buf[0] == '\0') { 446 warnx("The Boot Image Directory parameter" 447 " requires a directory name"); 448 rv = 0; 449 } else { 450 diskStructure->boot_image_directory = 451 emalloc(strlen(buf) + 1); 452 /* BIG TODO: Add the max length function here */ 453 rv = cd9660_arguments_set_string(buf, desc, 12, 454 'd', diskStructure->boot_image_directory); 455 } 456 } else if (strcmp(name, "no-emul-boot") == 0 || 457 strcmp(name, "no-boot") == 0 || 458 strcmp(name, "hard-disk-boot") == 0) { 459 /* RRIP */ 460 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 461 rv = 1; 462 } else if (strcmp(name, "boot-load-segment") == 0 || 463 strcmp(name, "platformid") == 0) { 464 if (buf[0] == '\0') { 465 warnx("Option `%s' doesn't contain a value", 466 name); 467 rv = 0; 468 } else { 469 cd9660_eltorito_add_boot_option(diskStructure, 470 name, buf); 471 rv = 1; 472 } 473 } else 474 rv = 1; 475 } 476 return rv; 477 } 478 479 /* 480 * Main function for cd9660_makefs 481 * Builds the ISO image file 482 * @param const char *image The image filename to create 483 * @param const char *dir The directory that is being read 484 * @param struct fsnode *root The root node of the filesystem tree 485 * @param struct fsinfo_t *fsopts Any options 486 */ 487 void 488 cd9660_makefs(const char *image, const char *dir, fsnode *root, 489 fsinfo_t *fsopts) 490 { 491 int64_t startoffset; 492 int numDirectories; 493 uint64_t pathTableSectors; 494 int64_t firstAvailableSector; 495 int64_t totalSpace; 496 int error; 497 cd9660node *real_root; 498 iso9660_disk *diskStructure = fsopts->fs_specific; 499 500 if (diskStructure->verbose_level > 0) 501 printf("%s: ISO level is %i\n", __func__, 502 diskStructure->isoLevel); 503 if (diskStructure->isoLevel < 2 && 504 diskStructure->allow_multidot) 505 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 506 507 assert(image != NULL); 508 assert(dir != NULL); 509 assert(root != NULL); 510 511 if (diskStructure->displayHelp) { 512 /* 513 * Display help here - probably want to put it in 514 * a separate function 515 */ 516 return; 517 } 518 519 if (diskStructure->verbose_level > 0) 520 printf("%s: image %s directory %s root %p\n", __func__, 521 image, dir, root); 522 523 /* Set up some constants. Later, these will be defined with options */ 524 525 /* Counter needed for path tables */ 526 numDirectories = 0; 527 528 /* Convert tree to our own format */ 529 /* Actually, we now need to add the REAL root node, at level 0 */ 530 531 real_root = cd9660_allocate_cd9660node(); 532 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 533 /* Leave filename blank for root */ 534 memset(real_root->isoDirRecord->name, 0, 535 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 536 537 real_root->level = 0; 538 diskStructure->rootNode = real_root; 539 real_root->type = CD9660_TYPE_DIR; 540 error = 0; 541 real_root->node = root; 542 cd9660_convert_structure(diskStructure, root, real_root, 1, 543 &numDirectories, &error); 544 545 if (TAILQ_EMPTY(&real_root->cn_children)) { 546 errx(EXIT_FAILURE, "%s: converted directory is empty. " 547 "Tree conversion failed", __func__); 548 } else if (error != 0) { 549 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 550 } else { 551 if (diskStructure->verbose_level > 0) 552 printf("%s: tree converted\n", __func__); 553 } 554 555 /* Add the dot and dot dot records */ 556 cd9660_add_dot_records(diskStructure, real_root); 557 558 cd9660_setup_root_node(diskStructure); 559 560 if (diskStructure->verbose_level > 0) 561 printf("%s: done converting tree\n", __func__); 562 563 /* non-SUSP extensions */ 564 if (diskStructure->archimedes_enabled) 565 archimedes_convert_tree(diskStructure->rootNode); 566 567 /* Rock ridge / SUSP init pass */ 568 if (diskStructure->rock_ridge_enabled) { 569 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 570 diskStructure->rootNode, NULL); 571 } 572 573 /* Build path table structure */ 574 diskStructure->pathTableLength = cd9660_generate_path_table( 575 diskStructure); 576 577 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 578 diskStructure->pathTableLength); 579 580 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 581 if (diskStructure->is_bootable) { 582 firstAvailableSector = cd9660_setup_boot(diskStructure, 583 firstAvailableSector); 584 if (firstAvailableSector < 0) 585 errx(EXIT_FAILURE, "setup_boot failed"); 586 } 587 /* LE first, then BE */ 588 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 589 diskStructure->primaryBigEndianTableSector = 590 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 591 592 /* Set the secondary ones to -1, not going to use them for now */ 593 diskStructure->secondaryBigEndianTableSector = -1; 594 diskStructure->secondaryLittleEndianTableSector = -1; 595 596 diskStructure->dataFirstSector = 597 diskStructure->primaryBigEndianTableSector + pathTableSectors; 598 if (diskStructure->verbose_level > 0) 599 printf("%s: Path table conversion complete. " 600 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 601 __func__, 602 diskStructure->pathTableLength, pathTableSectors); 603 604 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 605 606 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 607 608 if ((fsopts->maxsize > 0) && (totalSpace > fsopts->maxsize)) 609 errx(EXIT_FAILURE, "won't fit due to set maximum disk size"); 610 611 diskStructure->totalSectors = diskStructure->dataFirstSector + 612 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 613 614 /* Disabled until pass 1 is done */ 615 if (diskStructure->rock_ridge_enabled) { 616 diskStructure->susp_continuation_area_start_sector = 617 diskStructure->totalSectors; 618 diskStructure->totalSectors += 619 CD9660_BLOCKS(diskStructure->sectorSize, 620 diskStructure->susp_continuation_area_size); 621 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 622 } 623 624 625 cd9660_finalize_PVD(diskStructure); 626 627 /* Add padding sectors, just for testing purposes right now */ 628 /* diskStructure->totalSectors+=150; */ 629 630 /* Debugging output */ 631 if (diskStructure->verbose_level > 0) { 632 printf("%s: Sectors 0-15 reserved\n", __func__); 633 printf("%s: Primary path tables starts in sector %" 634 PRId64 "\n", __func__, 635 diskStructure->primaryLittleEndianTableSector); 636 printf("%s: File data starts in sector %" 637 PRId64 "\n", __func__, diskStructure->dataFirstSector); 638 printf("%s: Total sectors: %" 639 PRId64 "\n", __func__, diskStructure->totalSectors); 640 } 641 642 /* 643 * Add padding sectors at the end 644 * TODO: Clean this up and separate padding 645 */ 646 if (diskStructure->include_padding_areas) 647 diskStructure->totalSectors += 150; 648 649 cd9660_write_image(diskStructure, image); 650 651 if (diskStructure->verbose_level > 1) { 652 debug_print_volume_descriptor_information(diskStructure); 653 debug_print_tree(diskStructure, real_root, 0); 654 debug_print_path_tree(real_root); 655 } 656 657 /* Clean up data structures */ 658 cd9660_free_structure(real_root); 659 660 if (diskStructure->verbose_level > 0) 661 printf("%s: done\n", __func__); 662 } 663 664 /* Generic function pointer - implement later */ 665 typedef int (*cd9660node_func)(cd9660node *); 666 667 static void 668 cd9660_finalize_PVD(iso9660_disk *diskStructure) 669 { 670 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 671 672 /* root should be a fixed size of 34 bytes since it has no name */ 673 memcpy(diskStructure->primaryDescriptor.root_directory_record, 674 diskStructure->rootNode->dot_record->isoDirRecord, 34); 675 676 /* In RRIP, this might be longer than 34 */ 677 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 678 679 /* Set up all the important numbers in the PVD */ 680 cd9660_bothendian_dword(diskStructure->totalSectors, 681 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 682 cd9660_bothendian_word(1, 683 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 684 cd9660_bothendian_word(1, 685 (unsigned char *) 686 diskStructure->primaryDescriptor.volume_sequence_number); 687 cd9660_bothendian_word(diskStructure->sectorSize, 688 (unsigned char *) 689 diskStructure->primaryDescriptor.logical_block_size); 690 cd9660_bothendian_dword(diskStructure->pathTableLength, 691 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 692 693 cd9660_731(diskStructure->primaryLittleEndianTableSector, 694 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 695 cd9660_732(diskStructure->primaryBigEndianTableSector, 696 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 697 698 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 699 700 /* Pad all strings with spaces instead of nulls */ 701 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 702 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 703 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 704 128); 705 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 706 128); 707 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 708 128); 709 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 710 128); 711 cd9660_pad_string_spaces( 712 diskStructure->primaryDescriptor.copyright_file_id, 37); 713 cd9660_pad_string_spaces( 714 diskStructure->primaryDescriptor.abstract_file_id, 37); 715 cd9660_pad_string_spaces( 716 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 717 718 /* Setup dates */ 719 cd9660_time_8426( 720 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 721 tstamp); 722 cd9660_time_8426( 723 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 724 tstamp); 725 726 #if 0 727 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 728 tstamp); 729 #endif 730 memset(diskStructure->primaryDescriptor.expiration_date, '0' ,16); 731 diskStructure->primaryDescriptor.expiration_date[16] = 0; 732 733 cd9660_time_8426( 734 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 735 tstamp); 736 } 737 738 static void 739 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 740 u_char ext_attr_length, u_char flags, 741 u_char name_len, const char * name) 742 { 743 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 744 745 record->ext_attr_length[0] = ext_attr_length; 746 cd9660_time_915(record->date, tstamp); 747 record->flags[0] = ISO_FLAG_CLEAR | flags; 748 record->file_unit_size[0] = 0; 749 record->interleave[0] = 0; 750 cd9660_bothendian_word(1, record->volume_sequence_number); 751 record->name_len[0] = name_len; 752 memset(record->name, '\0', sizeof (record->name)); 753 memcpy(record->name, name, name_len); 754 record->length[0] = 33 + name_len; 755 756 /* Todo : better rounding */ 757 record->length[0] += (record->length[0] & 1) ? 1 : 0; 758 } 759 760 static void 761 cd9660_setup_root_node(iso9660_disk *diskStructure) 762 { 763 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 764 0, ISO_FLAG_DIRECTORY, 1, "\0"); 765 766 } 767 768 /*********** SUPPORT FUNCTIONS ***********/ 769 static int 770 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 771 { 772 /* Boot volume descriptor should come second */ 773 int sector = 16; 774 /* For now, a fixed 2 : PVD and terminator */ 775 volume_descriptor *temp, *t; 776 777 /* Set up the PVD */ 778 temp = emalloc(sizeof(*temp)); 779 temp->volumeDescriptorData = 780 (unsigned char *)&diskStructure->primaryDescriptor; 781 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 782 temp->volumeDescriptorData[6] = 1; 783 temp->sector = sector; 784 memcpy(temp->volumeDescriptorData + 1, 785 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 786 diskStructure->firstVolumeDescriptor = temp; 787 788 sector++; 789 /* Set up boot support if enabled. BVD must reside in sector 17 */ 790 if (diskStructure->is_bootable) { 791 t = emalloc(sizeof(*t)); 792 t->volumeDescriptorData = ecalloc(1, 2048); 793 temp->next = t; 794 temp = t; 795 t->sector = 17; 796 if (diskStructure->verbose_level > 0) 797 printf("Setting up boot volume descriptor\n"); 798 cd9660_setup_boot_volume_descriptor(diskStructure, t); 799 sector++; 800 } 801 802 /* Set up the terminator */ 803 t = emalloc(sizeof(*t)); 804 t->volumeDescriptorData = ecalloc(1, 2048); 805 temp->next = t; 806 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 807 t->next = 0; 808 t->volumeDescriptorData[6] = 1; 809 t->sector = sector; 810 memcpy(t->volumeDescriptorData + 1, 811 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 812 813 sector++; 814 return sector; 815 } 816 817 #if 0 818 /* 819 * Populate EAR at some point. Not required, but is used by NetBSD's 820 * cd9660 support 821 */ 822 static int 823 cd9660_fill_extended_attribute_record(cd9660node *node) 824 { 825 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 826 return 1; 827 } 828 #endif 829 830 static int 831 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 832 { 833 u_char flag; 834 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 835 836 /* Now populate the isoDirRecord structure */ 837 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 838 839 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 840 temp, !(S_ISDIR(newnode->node->type))); 841 842 flag = ISO_FLAG_CLEAR; 843 if (S_ISDIR(newnode->node->type)) 844 flag |= ISO_FLAG_DIRECTORY; 845 846 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 847 flag, strlen(temp), temp); 848 849 cd9660_bothendian_dword(newnode->fileDataLength, 850 newnode->isoDirRecord->size); 851 /* If the file is a link, we want to set the size to 0 */ 852 if (S_ISLNK(newnode->node->type)) 853 newnode->fileDataLength = 0; 854 855 return 1; 856 } 857 858 /* 859 * Translate fsnode to cd9660node 860 * Translate filenames and other metadata, including dates, sizes, 861 * permissions, etc 862 * @param struct fsnode * The node generated by makefs 863 * @param struct cd9660node * The intermediate node to be written to 864 * @returns int 0 on failure, 1 on success 865 */ 866 static int 867 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 868 cd9660node *newnode) 869 { 870 if (node == NULL) { 871 if (diskStructure->verbose_level > 0) 872 printf("%s: NULL node passed, returning\n", __func__); 873 return 0; 874 } 875 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 876 /* Set the node pointer */ 877 newnode->node = node; 878 879 /* Set the size */ 880 if (!(S_ISDIR(node->type))) 881 newnode->fileDataLength = node->inode->st.st_size; 882 883 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 884 return 0; 885 886 /* Finally, overwrite some of the values that are set by default */ 887 cd9660_time_915(newnode->isoDirRecord->date, 888 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 889 890 return 1; 891 } 892 893 /* 894 * Compares two ISO filenames 895 * @param const char * The first file name 896 * @param const char * The second file name 897 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 898 * the second is greater than the first 899 */ 900 static int 901 cd9660_compare_filename(const char *first, const char *second) 902 { 903 /* 904 * This can be made more optimal once it has been tested 905 * (the extra character, for example, is for testing) 906 */ 907 908 int p1 = 0; 909 int p2 = 0; 910 char c1, c2; 911 /* First, on the filename */ 912 913 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 914 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 915 c1 = first[p1]; 916 c2 = second[p2]; 917 if (c1 == '.' && c2 =='.') 918 break; 919 else if (c1 == '.') { 920 p2++; 921 c1 = ' '; 922 } else if (c2 == '.') { 923 p1++; 924 c2 = ' '; 925 } else { 926 p1++; 927 p2++; 928 } 929 930 if (c1 < c2) 931 return -1; 932 else if (c1 > c2) { 933 return 1; 934 } 935 } 936 937 if (first[p1] == '.' && second[p2] == '.') { 938 p1++; 939 p2++; 940 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 941 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 942 c1 = first[p1]; 943 c2 = second[p2]; 944 if (c1 == ';' && c2 == ';') 945 break; 946 else if (c1 == ';') { 947 p2++; 948 c1 = ' '; 949 } else if (c2 == ';') { 950 p1++; 951 c2 = ' '; 952 } else { 953 p1++; 954 p2++; 955 } 956 957 if (c1 < c2) 958 return -1; 959 else if (c1 > c2) 960 return 1; 961 } 962 } 963 return 0; 964 } 965 966 /* 967 * Insert a node into list with ISO sorting rules 968 * @param cd9660node * The head node of the list 969 * @param cd9660node * The node to be inserted 970 */ 971 static void 972 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 973 { 974 int compare; 975 cd9660node *cn; 976 struct cd9660_children_head *head = &parent->cn_children; 977 978 /* TODO: Optimize? */ 979 cn_new->parent = parent; 980 981 /* 982 * first will either be 0, the . or the .. 983 * if . or .., this means no other entry may be written before first 984 * if 0, the new node may be inserted at the head 985 */ 986 987 TAILQ_FOREACH(cn, head, cn_next_child) { 988 /* 989 * Dont insert a node twice - 990 * that would cause an infinite loop 991 */ 992 if (cn_new == cn) 993 return; 994 995 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 996 cn->isoDirRecord->name); 997 998 if (compare == 0) 999 compare = cd9660_compare_filename(cn_new->node->name, 1000 cn->node->name); 1001 1002 if (compare < 0) 1003 break; 1004 } 1005 if (cn == NULL) 1006 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1007 else 1008 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1009 } 1010 1011 /* 1012 * Called After cd9660_sorted_child_insert 1013 * handles file collisions by suffixing each filename with ~n 1014 * where n represents the files respective place in the ordering 1015 */ 1016 static int 1017 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1018 int past) 1019 { 1020 cd9660node *iter, *next, *prev; 1021 int skip; 1022 int delete_chars = 0; 1023 int temp_past = past; 1024 int temp_skip; 1025 int flag = 0; 1026 cd9660node *end_of_range; 1027 1028 for (iter = TAILQ_FIRST(&colliding->cn_children); 1029 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1030 if (strcmp(iter->isoDirRecord->name, 1031 next->isoDirRecord->name) != 0) { 1032 iter = TAILQ_NEXT(iter, cn_next_child); 1033 continue; 1034 } 1035 flag = 1; 1036 temp_skip = skip = cd9660_count_collisions(iter); 1037 end_of_range = iter; 1038 while (temp_skip > 0) { 1039 temp_skip--; 1040 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1041 } 1042 temp_past = past; 1043 while (temp_past > 0) { 1044 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1045 end_of_range = next; 1046 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1047 iter = prev; 1048 else 1049 delete_chars++; 1050 temp_past--; 1051 } 1052 skip += past; 1053 iter = cd9660_rename_filename(diskStructure, iter, skip, 1054 delete_chars); 1055 } 1056 return flag; 1057 } 1058 1059 1060 static cd9660node * 1061 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1062 int delete_chars) 1063 { 1064 int i = 0; 1065 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1066 char *naming; 1067 int maxlength; 1068 char *tmp; 1069 1070 if (diskStructure->verbose_level > 0) 1071 printf("Rename_filename called\n"); 1072 1073 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1074 if (diskStructure->isoLevel == 1) 1075 maxlength = 8; 1076 else if (diskStructure->isoLevel == 2) 1077 maxlength = 31; 1078 else 1079 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1080 1081 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1082 1083 while (i < num && iter) { 1084 powers = 1; 1085 count = 0; 1086 digits = 1; 1087 multiplier = 1; 1088 while (((int)(i / powers) ) >= 10) { 1089 digits++; 1090 powers = powers * 10; 1091 } 1092 1093 naming = iter->o_name; 1094 1095 /* 1096 while ((*naming != '.') && (*naming != ';')) { 1097 naming++; 1098 count++; 1099 } 1100 */ 1101 1102 dot = -1; 1103 semi = -1; 1104 while (count < maxlength) { 1105 if (*naming == '.') 1106 dot = count; 1107 else if (*naming == ';') { 1108 semi = count; 1109 break; 1110 } 1111 naming++; 1112 count++; 1113 } 1114 1115 if ((count + digits) < maxlength) 1116 numbts = count; 1117 else 1118 numbts = maxlength - (digits); 1119 numbts -= delete_chars; 1120 1121 /* 8.3 rules - keep the extension, add before the dot */ 1122 1123 /* 1124 * This code makes a bunch of assumptions. 1125 * See if you can spot them all :) 1126 */ 1127 1128 #if 0 1129 if (diskStructure->isoLevel == 1) { 1130 numbts = 8 - digits - delete_chars; 1131 if (dot < 0) { 1132 1133 } else { 1134 if (dot < 8) { 1135 memmove(&tmp[numbts],&tmp[dot],4); 1136 } 1137 } 1138 } 1139 #else 1140 __USE(dot); 1141 __USE(semi); 1142 __USE(multiplier); 1143 #endif 1144 1145 /* (copying just the filename before the '.' */ 1146 memcpy(tmp, (iter->o_name), numbts); 1147 1148 /* adding the appropriate number following the name */ 1149 temp = i; 1150 while (digits > 0) { 1151 digit = (int)(temp / powers); 1152 temp = temp - digit * powers; 1153 sprintf(&tmp[numbts] , "%d", digit); 1154 digits--; 1155 numbts++; 1156 powers = powers / 10; 1157 } 1158 1159 while ((*naming != ';') && (numbts < maxlength)) { 1160 tmp[numbts] = (*naming); 1161 naming++; 1162 numbts++; 1163 } 1164 1165 tmp[numbts] = ';'; 1166 tmp[numbts+1] = '1'; 1167 tmp[numbts+2] = '\0'; 1168 1169 /* 1170 * now tmp has exactly the identifier 1171 * we want so we'll copy it back to record 1172 */ 1173 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1174 1175 iter = TAILQ_NEXT(iter, cn_next_child); 1176 i++; 1177 } 1178 1179 free(tmp); 1180 return iter; 1181 } 1182 1183 /* Todo: Figure out why these functions are nec. */ 1184 static void 1185 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1186 { 1187 cd9660node *cn; 1188 1189 if (TAILQ_EMPTY(&node->cn_children)) 1190 return; 1191 1192 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1193 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1194 exit(EXIT_FAILURE); 1195 } 1196 1197 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1198 cd9660_copy_filenames(diskStructure, cn); 1199 memcpy(cn->o_name, cn->isoDirRecord->name, 1200 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1201 } 1202 } 1203 1204 static void 1205 cd9660_sorting_nodes(cd9660node *node) 1206 { 1207 cd9660node *cn; 1208 1209 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1210 cd9660_sorting_nodes(cn); 1211 cd9660_sort_nodes(node); 1212 } 1213 1214 /* XXX Bubble sort. */ 1215 static void 1216 cd9660_sort_nodes(cd9660node *node) 1217 { 1218 cd9660node *cn, *next; 1219 1220 do { 1221 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1222 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1223 return; 1224 else if (strcmp(next->isoDirRecord->name, 1225 cn->isoDirRecord->name) >= 0) 1226 continue; 1227 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1228 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1229 break; 1230 } 1231 } while (cn != NULL); 1232 } 1233 1234 static int 1235 cd9660_count_collisions(cd9660node *copy) 1236 { 1237 int count = 0; 1238 cd9660node *iter, *next; 1239 1240 for (iter = copy; 1241 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1242 iter = next) { 1243 if (cd9660_compare_filename(iter->isoDirRecord->name, 1244 next->isoDirRecord->name) == 0) 1245 count++; 1246 else 1247 return count; 1248 } 1249 #if 0 1250 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1251 printf("%s: count is %i \n", __func__, count); 1252 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1253 next->isoDirRecord->name); 1254 if (compare == 0) { 1255 count++; 1256 return cd9660_recurse_on_collision(next, count); 1257 } else 1258 return count; 1259 } 1260 #endif 1261 return count; 1262 } 1263 1264 static cd9660node * 1265 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1266 { 1267 char newname[9]; 1268 cd9660node *tfile; 1269 1270 /* 1271 * This function needs to: 1272 * 1) Create an empty virtual file in place of the old directory 1273 * 2) Point the virtual file to the new directory 1274 * 3) Point the relocated directory to its old parent 1275 * 4) Move the directory specified by dir into rr_moved_dir, 1276 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1277 */ 1278 1279 /* First see if the moved directory even exists */ 1280 if (diskStructure->rr_moved_dir == NULL) { 1281 diskStructure->rr_moved_dir = cd9660_create_directory( 1282 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1283 diskStructure->rootNode, dir); 1284 if (diskStructure->rr_moved_dir == NULL) 1285 return 0; 1286 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1287 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1288 } 1289 1290 /* Create a file with the same ORIGINAL name */ 1291 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1292 dir); 1293 if (tfile == NULL) 1294 return NULL; 1295 1296 diskStructure->rock_ridge_move_count++; 1297 snprintf(newname, sizeof(newname), "%08u", 1298 diskStructure->rock_ridge_move_count); 1299 1300 /* Point to old parent */ 1301 dir->rr_real_parent = dir->parent; 1302 1303 /* Place the placeholder file */ 1304 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1305 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1306 cn_next_child); 1307 } else { 1308 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1309 } 1310 1311 /* Point to new parent */ 1312 dir->parent = diskStructure->rr_moved_dir; 1313 1314 /* Point the file to the moved directory */ 1315 tfile->rr_relocated = dir; 1316 1317 /* Actually move the directory */ 1318 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1319 1320 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1321 1322 /* Set the new name */ 1323 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1324 strncpy(dir->isoDirRecord->name, newname, 8); 1325 dir->isoDirRecord->length[0] = 34 + 8; 1326 dir->isoDirRecord->name_len[0] = 8; 1327 1328 return dir; 1329 } 1330 1331 static int 1332 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1333 { 1334 struct cd9660_children_head *head = &root->cn_children; 1335 cd9660node *cn; 1336 1337 TAILQ_FOREACH(cn, head, cn_next_child) { 1338 if ((cn->type & CD9660_TYPE_DIR) == 0) 1339 continue; 1340 /* Recursion first */ 1341 cd9660_add_dot_records(diskStructure, cn); 1342 } 1343 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1344 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1345 root); 1346 return 1; 1347 } 1348 1349 /* 1350 * Convert node to cd9660 structure 1351 * This function is designed to be called recursively on the root node of 1352 * the filesystem 1353 * Lots of recursion going on here, want to make sure it is efficient 1354 * @param struct fsnode * The root node to be converted 1355 * @param struct cd9660* The parent node (should not be NULL) 1356 * @param int Current directory depth 1357 * @param int* Running count of the number of directories that are being created 1358 */ 1359 static void 1360 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1361 cd9660node *parent_node, int level, int *numDirectories, int *error) 1362 { 1363 fsnode *iterator = root; 1364 cd9660node *this_node; 1365 int working_level; 1366 int add; 1367 int flag = 0; 1368 int counter = 0; 1369 1370 /* 1371 * Newer, more efficient method, reduces recursion depth 1372 */ 1373 if (root == NULL) { 1374 warnx("%s: root is null", __func__); 1375 return; 1376 } 1377 1378 /* Test for an empty directory - makefs still gives us the . record */ 1379 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1380 && (root->name[1] == '\0')) { 1381 root = root->next; 1382 if (root == NULL) 1383 return; 1384 } 1385 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1386 CD9660_MEM_ALLOC_ERROR(__func__); 1387 } 1388 1389 /* 1390 * To reduce the number of recursive calls, we will iterate over 1391 * the next pointers to the right. 1392 */ 1393 while (iterator != NULL) { 1394 add = 1; 1395 /* 1396 * Increment the directory count if this is a directory 1397 * Ignore "." entries. We will generate them later 1398 */ 1399 if (!S_ISDIR(iterator->type) || 1400 strcmp(iterator->name, ".") != 0) { 1401 1402 /* Translate the node, including its filename */ 1403 this_node->parent = parent_node; 1404 cd9660_translate_node(diskStructure, iterator, 1405 this_node); 1406 this_node->level = level; 1407 1408 if (S_ISDIR(iterator->type)) { 1409 (*numDirectories)++; 1410 this_node->type = CD9660_TYPE_DIR; 1411 working_level = level + 1; 1412 1413 /* 1414 * If at level 8, directory would be at 8 1415 * and have children at 9 which is not 1416 * allowed as per ISO spec 1417 */ 1418 if (level == 8) { 1419 if ((!diskStructure->allow_deep_trees) && 1420 (!diskStructure->rock_ridge_enabled)) { 1421 warnx("error: found entry " 1422 "with depth greater " 1423 "than 8."); 1424 (*error) = 1; 1425 return; 1426 } else if (diskStructure-> 1427 rock_ridge_enabled) { 1428 working_level = 3; 1429 /* 1430 * Moved directory is actually 1431 * at level 2. 1432 */ 1433 this_node->level = 1434 working_level - 1; 1435 if (cd9660_rrip_move_directory( 1436 diskStructure, 1437 this_node) == 0) { 1438 warnx("Failure in " 1439 "cd9660_rrip_" 1440 "move_directory" 1441 ); 1442 (*error) = 1; 1443 return; 1444 } 1445 add = 0; 1446 } 1447 } 1448 1449 /* Do the recursive call on the children */ 1450 if (iterator->child != 0) { 1451 cd9660_convert_structure(diskStructure, 1452 iterator->child, this_node, 1453 working_level, 1454 numDirectories, error); 1455 1456 if ((*error) == 1) { 1457 warnx("%s: Error on recursive " 1458 "call", __func__); 1459 return; 1460 } 1461 } 1462 1463 } else { 1464 /* Only directories should have children */ 1465 assert(iterator->child == NULL); 1466 1467 this_node->type = CD9660_TYPE_FILE; 1468 } 1469 1470 /* 1471 * Finally, do a sorted insert 1472 */ 1473 if (add) { 1474 cd9660_sorted_child_insert( 1475 parent_node, this_node); 1476 } 1477 1478 /*Allocate new temp_node */ 1479 if (iterator->next != 0) { 1480 this_node = cd9660_allocate_cd9660node(); 1481 if (this_node == NULL) 1482 CD9660_MEM_ALLOC_ERROR(__func__); 1483 } 1484 } 1485 iterator = iterator->next; 1486 } 1487 1488 /* cd9660_handle_collisions(first_node); */ 1489 1490 /* TODO: need cleanup */ 1491 cd9660_copy_filenames(diskStructure, parent_node); 1492 1493 do { 1494 flag = cd9660_handle_collisions(diskStructure, parent_node, 1495 counter); 1496 counter++; 1497 cd9660_sorting_nodes(parent_node); 1498 } while ((flag == 1) && (counter < 100)); 1499 } 1500 1501 /* 1502 * Clean up the cd9660node tree 1503 * This is designed to be called recursively on the root node 1504 * @param struct cd9660node *root The node to free 1505 * @returns void 1506 */ 1507 static void 1508 cd9660_free_structure(cd9660node *root) 1509 { 1510 cd9660node *cn; 1511 1512 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1513 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1514 cd9660_free_structure(cn); 1515 } 1516 free(root); 1517 } 1518 1519 /* 1520 * Be a little more memory conservative: 1521 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1522 * just create a temporary structure 1523 */ 1524 struct ptq_entry 1525 { 1526 TAILQ_ENTRY(ptq_entry) ptq; 1527 cd9660node *node; 1528 } *n; 1529 1530 #define PTQUEUE_NEW(n,s,r,t){\ 1531 n = emalloc(sizeof(struct s)); \ 1532 if (n == NULL) \ 1533 return r; \ 1534 n->node = t;\ 1535 } 1536 1537 /* 1538 * Generate the path tables 1539 * The specific implementation of this function is left as an exercise to the 1540 * programmer. It could be done recursively. Make sure you read how the path 1541 * table has to be laid out, it has levels. 1542 * @param struct iso9660_disk *disk The disk image 1543 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1544 */ 1545 static int 1546 cd9660_generate_path_table(iso9660_disk *diskStructure) 1547 { 1548 cd9660node *cn, *dirNode = diskStructure->rootNode; 1549 cd9660node *last = dirNode; 1550 int pathTableSize = 0; /* computed as we go */ 1551 int counter = 1; /* root gets a count of 0 */ 1552 1553 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1554 TAILQ_INIT(&pt_head); 1555 1556 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1557 1558 /* Push the root node */ 1559 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1560 1561 /* Breadth-first traversal of file structure */ 1562 while (pt_head.tqh_first != 0) { 1563 n = pt_head.tqh_first; 1564 dirNode = n->node; 1565 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1566 free(n); 1567 1568 /* Update the size */ 1569 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1570 + dirNode->isoDirRecord->name_len[0]+ 1571 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1572 /* includes the padding bit */ 1573 1574 dirNode->ptnumber=counter; 1575 if (dirNode != last) { 1576 last->ptnext = dirNode; 1577 dirNode->ptprev = last; 1578 } 1579 last = dirNode; 1580 1581 /* Push children onto queue */ 1582 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1583 /* 1584 * Dont add the DOT and DOTDOT types to the path 1585 * table. 1586 */ 1587 if ((cn->type != CD9660_TYPE_DOT) 1588 && (cn->type != CD9660_TYPE_DOTDOT)) { 1589 1590 if (S_ISDIR(cn->node->type)) { 1591 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1592 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1593 } 1594 } 1595 } 1596 counter++; 1597 } 1598 return pathTableSize; 1599 } 1600 1601 void 1602 cd9660_compute_full_filename(cd9660node *node, char *buf) 1603 { 1604 int len; 1605 1606 len = CD9660MAXPATH + 1; 1607 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1608 node->node->path, node->node->name); 1609 if (len > CD9660MAXPATH) 1610 errx(EXIT_FAILURE, "Pathname too long."); 1611 } 1612 1613 /* NEW filename conversion method */ 1614 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1615 char *, int); 1616 1617 1618 /* 1619 * TODO: These two functions are almost identical. 1620 * Some code cleanup is possible here 1621 * 1622 * XXX bounds checking! 1623 */ 1624 static int 1625 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1626 char *newname, int is_file) 1627 { 1628 /* 1629 * ISO 9660 : 10.1 1630 * File Name shall not contain more than 8 d or d1 characters 1631 * File Name Extension shall not contain more than 3 d or d1 characters 1632 * Directory Identifier shall not contain more than 8 d or d1 characters 1633 */ 1634 int namelen = 0; 1635 int extlen = 0; 1636 int found_ext = 0; 1637 1638 while (*oldname != '\0' && extlen < 3) { 1639 /* Handle period first, as it is special */ 1640 if (*oldname == '.') { 1641 if (found_ext) { 1642 *newname++ = '_'; 1643 extlen ++; 1644 } 1645 else { 1646 *newname++ = '.'; 1647 found_ext = 1; 1648 } 1649 } else { 1650 /* cut RISC OS file type off ISO name */ 1651 if (diskStructure->archimedes_enabled && 1652 *oldname == ',' && strlen(oldname) == 4) 1653 break; 1654 1655 /* Enforce 12.3 / 8 */ 1656 if (namelen == 8 && !found_ext) 1657 break; 1658 1659 if (islower((unsigned char)*oldname)) 1660 *newname++ = toupper((unsigned char)*oldname); 1661 else if (isupper((unsigned char)*oldname) 1662 || isdigit((unsigned char)*oldname)) 1663 *newname++ = *oldname; 1664 else 1665 *newname++ = '_'; 1666 1667 if (found_ext) 1668 extlen++; 1669 else 1670 namelen++; 1671 } 1672 oldname++; 1673 } 1674 if (is_file) { 1675 if (!found_ext && !diskStructure->omit_trailing_period) 1676 *newname++ = '.'; 1677 /* Add version */ 1678 sprintf(newname, ";%i", 1); 1679 } 1680 return namelen + extlen + found_ext; 1681 } 1682 1683 /* XXX bounds checking! */ 1684 static int 1685 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1686 char *newname, int is_file) 1687 { 1688 /* 1689 * ISO 9660 : 7.5.1 1690 * File name : 0+ d or d1 characters 1691 * separator 1 (.) 1692 * File name extension : 0+ d or d1 characters 1693 * separator 2 (;) 1694 * File version number (5 characters, 1-32767) 1695 * 1 <= Sum of File name and File name extension <= 30 1696 */ 1697 int namelen = 0; 1698 int extlen = 0; 1699 int found_ext = 0; 1700 1701 while (*oldname != '\0' && namelen + extlen < 30) { 1702 /* Handle period first, as it is special */ 1703 if (*oldname == '.') { 1704 if (found_ext) { 1705 if (diskStructure->allow_multidot) { 1706 *newname++ = '.'; 1707 } else { 1708 *newname++ = '_'; 1709 } 1710 extlen ++; 1711 } 1712 else { 1713 *newname++ = '.'; 1714 found_ext = 1; 1715 } 1716 } else { 1717 /* cut RISC OS file type off ISO name */ 1718 if (diskStructure->archimedes_enabled && 1719 *oldname == ',' && strlen(oldname) == 4) 1720 break; 1721 1722 if (islower((unsigned char)*oldname)) 1723 *newname++ = toupper((unsigned char)*oldname); 1724 else if (isupper((unsigned char)*oldname) || 1725 isdigit((unsigned char)*oldname)) 1726 *newname++ = *oldname; 1727 else if (diskStructure->allow_multidot && 1728 *oldname == '.') { 1729 *newname++ = '.'; 1730 } else { 1731 *newname++ = '_'; 1732 } 1733 1734 if (found_ext) 1735 extlen++; 1736 else 1737 namelen++; 1738 } 1739 oldname ++; 1740 } 1741 if (is_file) { 1742 if (!found_ext && !diskStructure->omit_trailing_period) 1743 *newname++ = '.'; 1744 /* Add version */ 1745 sprintf(newname, ";%i", 1); 1746 } 1747 return namelen + extlen + found_ext; 1748 } 1749 1750 #if 0 1751 static int 1752 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1753 char *newname, int is_file) 1754 { 1755 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1756 } 1757 #endif 1758 1759 1760 /* 1761 * Convert a file name to ISO compliant file name 1762 * @param char * oldname The original filename 1763 * @param char ** newname The new file name, in the appropriate character 1764 * set and of appropriate length 1765 * @param int 1 if file, 0 if directory 1766 * @returns int The length of the new string 1767 */ 1768 static int 1769 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1770 char *newname, int is_file) 1771 { 1772 /* NEW */ 1773 cd9660_filename_conversion_functor conversion_function = 0; 1774 if (diskStructure->isoLevel == 1) 1775 conversion_function = &cd9660_level1_convert_filename; 1776 else if (diskStructure->isoLevel == 2) 1777 conversion_function = &cd9660_level2_convert_filename; 1778 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1779 } 1780 1781 int 1782 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1783 { 1784 int size = node->isoDirRecord->length[0]; 1785 1786 if (diskStructure->rock_ridge_enabled) 1787 size += node->susp_entry_size; 1788 size += node->su_tail_size; 1789 size += size & 1; /* Ensure length of record is even. */ 1790 assert(size <= 254); 1791 return size; 1792 } 1793 1794 static void 1795 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1796 { 1797 node->dot_record->fileDataSector = node->fileDataSector; 1798 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1799 node->dot_record->isoDirRecord->name_len[0] = 1; 1800 node->dot_record->isoDirRecord->name[0] = 0; 1801 node->dot_record->isoDirRecord->name[1] = 0; 1802 node->dot_record->isoDirRecord->length[0] = 34; 1803 node->dot_record->fileRecordSize = 1804 cd9660_compute_record_size(diskStructure, node->dot_record); 1805 1806 if (node == diskStructure->rootNode) { 1807 node->dot_dot_record->fileDataSector = node->fileDataSector; 1808 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1809 34); 1810 } else { 1811 node->dot_dot_record->fileDataSector = 1812 node->parent->fileDataSector; 1813 memcpy(node->dot_dot_record->isoDirRecord, 1814 node->parent->isoDirRecord,34); 1815 } 1816 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1817 node->dot_dot_record->isoDirRecord->name[0] = 1; 1818 node->dot_dot_record->isoDirRecord->name[1] = 0; 1819 node->dot_dot_record->isoDirRecord->length[0] = 34; 1820 node->dot_dot_record->fileRecordSize = 1821 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1822 } 1823 1824 /* 1825 * @param struct cd9660node *node The node 1826 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1827 * @returns int The total size of files and directory entries (should be 1828 * a multiple of sector size) 1829 */ 1830 static int64_t 1831 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1832 int64_t startOffset) 1833 { 1834 /* 1835 * This function needs to compute the size of directory records and 1836 * runs, file lengths, and set the appropriate variables both in 1837 * cd9660node and isoDirEntry 1838 */ 1839 int64_t used_bytes = 0; 1840 int64_t current_sector_usage = 0; 1841 cd9660node *child; 1842 fsinode *inode; 1843 int64_t r; 1844 1845 assert(node != NULL); 1846 1847 1848 /* 1849 * NOTE : There needs to be some special case detection for 1850 * the "real root" node, since for it, node->node is undefined 1851 */ 1852 1853 node->fileDataSector = -1; 1854 1855 if (node->type & CD9660_TYPE_DIR) { 1856 node->fileRecordSize = cd9660_compute_record_size( 1857 diskStructure, node); 1858 /*Set what sector this directory starts in*/ 1859 node->fileDataSector = 1860 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1861 1862 cd9660_bothendian_dword(node->fileDataSector, 1863 node->isoDirRecord->extent); 1864 1865 /* 1866 * First loop over children, need to know the size of 1867 * their directory records 1868 */ 1869 node->fileSectorsUsed = 1; 1870 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1871 node->fileDataLength += 1872 cd9660_compute_record_size(diskStructure, child); 1873 if ((cd9660_compute_record_size(diskStructure, child) + 1874 current_sector_usage) >= 1875 diskStructure->sectorSize) { 1876 current_sector_usage = 0; 1877 node->fileSectorsUsed++; 1878 } 1879 1880 current_sector_usage += 1881 cd9660_compute_record_size(diskStructure, child); 1882 } 1883 1884 cd9660_bothendian_dword(node->fileSectorsUsed * 1885 diskStructure->sectorSize,node->isoDirRecord->size); 1886 1887 /* 1888 * This should point to the sector after the directory 1889 * record (or, the first byte in that sector) 1890 */ 1891 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1892 1893 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1894 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1895 /* Directories need recursive call */ 1896 if (S_ISDIR(child->node->type)) { 1897 r = cd9660_compute_offsets(diskStructure, child, 1898 used_bytes + startOffset); 1899 1900 if (r != -1) 1901 used_bytes += r; 1902 else 1903 return -1; 1904 } 1905 } 1906 1907 /* Explicitly set the . and .. records */ 1908 cd9660_populate_dot_records(diskStructure, node); 1909 1910 /* Finally, do another iteration to write the file data*/ 1911 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1912 child != NULL; 1913 child = TAILQ_NEXT(child, cn_next_child)) { 1914 /* Files need extent set */ 1915 if (S_ISDIR(child->node->type)) 1916 continue; 1917 child->fileRecordSize = 1918 cd9660_compute_record_size(diskStructure, child); 1919 1920 child->fileSectorsUsed = 1921 CD9660_BLOCKS(diskStructure->sectorSize, 1922 child->fileDataLength); 1923 1924 inode = child->node->inode; 1925 if ((inode->flags & FI_ALLOCATED) == 0) { 1926 inode->ino = 1927 CD9660_BLOCKS(diskStructure->sectorSize, 1928 used_bytes + startOffset); 1929 inode->flags |= FI_ALLOCATED; 1930 used_bytes += child->fileSectorsUsed * 1931 diskStructure->sectorSize; 1932 } else { 1933 INODE_WARNX(("%s: already allocated inode %d " 1934 "data sectors at %" PRIu32, __func__, 1935 (int)inode->st.st_ino, inode->ino)); 1936 } 1937 child->fileDataSector = inode->ino; 1938 cd9660_bothendian_dword(child->fileDataSector, 1939 child->isoDirRecord->extent); 1940 } 1941 } 1942 1943 return used_bytes; 1944 } 1945 1946 #if 0 1947 /* Might get rid of this func */ 1948 static int 1949 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1950 { 1951 to->node->inode->st.st_dev = 0; 1952 to->node->inode->st.st_ino = 0; 1953 to->node->inode->st.st_size = 0; 1954 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1955 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1956 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1957 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1958 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1959 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1960 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1961 /* Clear out type */ 1962 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1963 if (file) 1964 to->node->inode->st.st_mode |= S_IFREG; 1965 else 1966 to->node->inode->st.st_mode |= S_IFDIR; 1967 return 1; 1968 } 1969 #endif 1970 1971 static cd9660node * 1972 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1973 cd9660node *parent, int file, int insert) 1974 { 1975 cd9660node *temp; 1976 fsnode * tfsnode; 1977 1978 assert(parent != NULL); 1979 1980 temp = cd9660_allocate_cd9660node(); 1981 if (temp == NULL) 1982 return NULL; 1983 1984 tfsnode = emalloc(sizeof(*tfsnode)); 1985 tfsnode->name = estrdup(name); 1986 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1987 1988 cd9660_convert_filename(diskStructure, tfsnode->name, 1989 temp->isoDirRecord->name, file); 1990 1991 temp->node = tfsnode; 1992 temp->parent = parent; 1993 1994 if (insert) { 1995 if (temp->parent != NULL) { 1996 temp->level = temp->parent->level + 1; 1997 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1998 cd9660_sorted_child_insert(temp->parent, temp); 1999 else 2000 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 2001 temp, cn_next_child); 2002 } 2003 } 2004 2005 if (parent->node != NULL) { 2006 tfsnode->type = parent->node->type; 2007 } 2008 2009 /* Clear out file type bits */ 2010 tfsnode->type &= ~(S_IFMT); 2011 if (file) 2012 tfsnode->type |= S_IFREG; 2013 else 2014 tfsnode->type |= S_IFDIR; 2015 2016 /* Indicate that there is no spec entry (inode) */ 2017 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2018 #if 0 2019 cd9660_copy_stat_info(parent, temp, file); 2020 #endif 2021 return temp; 2022 } 2023 2024 static cd9660node * 2025 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2026 cd9660node *parent, cd9660node *me) 2027 { 2028 cd9660node *temp; 2029 2030 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2031 if (temp == NULL) 2032 return NULL; 2033 2034 temp->fileDataLength = 0; 2035 2036 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2037 2038 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2039 *temp->node->inode = *me->node->inode; 2040 2041 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2042 return NULL; 2043 return temp; 2044 } 2045 2046 /* 2047 * Create a new directory which does not exist on disk 2048 * @param const char * name The name to assign to the directory 2049 * @param const char * parent Pointer to the parent directory 2050 * @returns cd9660node * Pointer to the new directory 2051 */ 2052 static cd9660node * 2053 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2054 cd9660node *parent, cd9660node *me) 2055 { 2056 cd9660node *temp; 2057 2058 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2059 if (temp == NULL) 2060 return NULL; 2061 temp->node->type |= S_IFDIR; 2062 2063 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2064 2065 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2066 *temp->node->inode = *me->node->inode; 2067 2068 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2069 return NULL; 2070 return temp; 2071 } 2072 2073 static cd9660node * 2074 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2075 cd9660node *parent) 2076 { 2077 cd9660node *temp, *first; 2078 char na[2]; 2079 2080 assert(parent != NULL); 2081 2082 if (type == CD9660_TYPE_DOT) 2083 na[0] = 0; 2084 else if (type == CD9660_TYPE_DOTDOT) 2085 na[0] = 1; 2086 else 2087 return 0; 2088 2089 na[1] = 0; 2090 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2091 0, 0)) == NULL) 2092 return NULL; 2093 2094 temp->parent = parent; 2095 temp->type = type; 2096 temp->isoDirRecord->length[0] = 34; 2097 /* Dot record is always first */ 2098 if (type == CD9660_TYPE_DOT) { 2099 parent->dot_record = temp; 2100 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2101 /* DotDot should be second */ 2102 } else if (type == CD9660_TYPE_DOTDOT) { 2103 parent->dot_dot_record = temp; 2104 /* 2105 * If the first child is the dot record, insert 2106 * this second. Otherwise, insert it at the head. 2107 */ 2108 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2109 (first->type & CD9660_TYPE_DOT) == 0) { 2110 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2111 cn_next_child); 2112 } else { 2113 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2114 cn_next_child); 2115 } 2116 } 2117 2118 return temp; 2119 } 2120 2121 static int 2122 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2123 { 2124 struct stat stbuf; 2125 2126 assert(bootimage != NULL); 2127 2128 if (*bootimage == '\0') { 2129 warnx("Error: Boot image must be a filename"); 2130 return 0; 2131 } 2132 2133 diskStructure->generic_bootimage = estrdup(bootimage); 2134 2135 /* Get information about the file */ 2136 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2137 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2138 diskStructure->generic_bootimage); 2139 2140 if (stbuf.st_size > 32768) { 2141 warnx("Error: Boot image must be no greater than 32768 bytes"); 2142 return 0; 2143 } 2144 2145 if (diskStructure->verbose_level > 0) { 2146 printf("Generic boot image image has size %lld\n", 2147 (long long)stbuf.st_size); 2148 } 2149 2150 diskStructure->has_generic_bootimage = 1; 2151 2152 return 1; 2153 } 2154
Indexes created Sun Oct 25 00:26:45 UTC 2026