1/* $NetBSD: cd9660.c,v 1.31 2011/08/06 23:25:19 christos 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#include <sys/cdefs.h> 99__FBSDID("$FreeBSD$"); 100 101#include <string.h> 102#include <ctype.h> 103#include <sys/param.h> 104#include <sys/queue.h> 105 106#include "makefs.h" 107#include "cd9660.h" 108#include "cd9660/iso9660_rrip.h" 109#include "cd9660/cd9660_archimedes.h" 110 111/* 112 * Global variables 113 */ 114iso9660_disk diskStructure; 115 116static void cd9660_finalize_PVD(void); 117static cd9660node *cd9660_allocate_cd9660node(void); 118static void cd9660_set_defaults(void); 119static int cd9660_arguments_set_string(const char *, const char *, int, 120 char, char *); 121static void cd9660_populate_iso_dir_record( 122 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 123 const char *); 124static void cd9660_setup_root_node(void); 125static int cd9660_setup_volume_descriptors(void); 126#if 0 127static int cd9660_fill_extended_attribute_record(cd9660node *); 128#endif 129static void cd9660_sort_nodes(cd9660node *); 130static int cd9660_translate_node_common(cd9660node *); 131static int cd9660_translate_node(fsnode *, cd9660node *); 132static int cd9660_compare_filename(const char *, const char *); 133static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 134static int cd9660_handle_collisions(cd9660node *, int); 135static cd9660node *cd9660_rename_filename(cd9660node *, int, int); 136static void cd9660_copy_filenames(cd9660node *); 137static void cd9660_sorting_nodes(cd9660node *); 138static int cd9660_count_collisions(cd9660node *); 139static cd9660node *cd9660_rrip_move_directory(cd9660node *); 140static int cd9660_add_dot_records(cd9660node *); 141 142static void cd9660_convert_structure(fsnode *, cd9660node *, int, 143 int *, int *); 144static void cd9660_free_structure(cd9660node *); 145static int cd9660_generate_path_table(void); 146static int cd9660_level1_convert_filename(const char *, char *, int); 147static int cd9660_level2_convert_filename(const char *, char *, int); 148#if 0 149static int cd9660_joliet_convert_filename(const char *, char *, int); 150#endif 151static int cd9660_convert_filename(const char *, char *, int); 152static void cd9660_populate_dot_records(cd9660node *); 153static int64_t cd9660_compute_offsets(cd9660node *, int64_t); 154#if 0 155static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 156#endif 157static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int, 158 int); 159static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *); 160static cd9660node *cd9660_create_directory(const char *, cd9660node *, 161 cd9660node *); 162static cd9660node *cd9660_create_special_directory(u_char, cd9660node *); 163 164 165/* 166 * Allocate and initalize a cd9660node 167 * @returns struct cd9660node * Pointer to new node, or NULL on error 168 */ 169static cd9660node * 170cd9660_allocate_cd9660node(void) 171{ 172 cd9660node *temp; 173 174 if ((temp = calloc(1, sizeof(cd9660node))) == NULL) 175 err(EXIT_FAILURE, "%s: calloc", __func__); 176 TAILQ_INIT(&temp->cn_children); 177 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 178 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 179 temp->node = NULL; 180 temp->isoDirRecord = NULL; 181 temp->isoExtAttributes = NULL; 182 temp->rr_real_parent = temp->rr_relocated = NULL; 183 temp->su_tail_data = NULL; 184 return temp; 185} 186 187int cd9660_defaults_set = 0; 188 189/** 190* Set default values for cd9660 extension to makefs 191*/ 192static void 193cd9660_set_defaults(void) 194{ 195 /*Fix the sector size for now, though the spec allows for other sizes*/ 196 diskStructure.sectorSize = 2048; 197 198 /* Set up defaults in our own structure */ 199 diskStructure.verbose_level = 0; 200 diskStructure.keep_bad_images = 0; 201 diskStructure.follow_sym_links = 0; 202 diskStructure.isoLevel = 2; 203 204 diskStructure.rock_ridge_enabled = 0; 205 diskStructure.rock_ridge_renamed_dir_name = 0; 206 diskStructure.rock_ridge_move_count = 0; 207 diskStructure.rr_moved_dir = 0; 208 209 diskStructure.archimedes_enabled = 0; 210 diskStructure.chrp_boot = 0; 211 212 diskStructure.include_padding_areas = 1; 213 214 /* Spec breaking functionality */ 215 diskStructure.allow_deep_trees = 216 diskStructure.allow_start_dot = 217 diskStructure.allow_max_name = 218 diskStructure.allow_illegal_chars = 219 diskStructure.allow_lowercase = 220 diskStructure.allow_multidot = 221 diskStructure.omit_trailing_period = 0; 222 223 /* Make sure the PVD is clear */ 224 memset(&diskStructure.primaryDescriptor, 0, 2048); 225 226 memset(diskStructure.primaryDescriptor.publisher_id, 0x20,128); 227 memset(diskStructure.primaryDescriptor.preparer_id, 0x20,128); 228 memset(diskStructure.primaryDescriptor.application_id, 0x20,128); 229 memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,37); 230 memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,37); 231 memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,37); 232 233 strcpy(diskStructure.primaryDescriptor.system_id, "FreeBSD"); 234 235 cd9660_defaults_set = 1; 236 237 /* Boot support: Initially disabled */ 238 diskStructure.has_generic_bootimage = 0; 239 diskStructure.generic_bootimage = NULL; 240 241 diskStructure.boot_image_directory = 0; 242 /*memset(diskStructure.boot_descriptor, 0, 2048);*/ 243 244 diskStructure.is_bootable = 0; 245 TAILQ_INIT(&diskStructure.boot_images); 246 LIST_INIT(&diskStructure.boot_entries); 247} 248 249void 250cd9660_prep_opts(fsinfo_t *fsopts __unused) 251{ 252 cd9660_set_defaults(); 253} 254 255void 256cd9660_cleanup_opts(fsinfo_t *fsopts __unused) 257{ 258 259} 260 261static int 262cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 263 char testmode, char * dest) 264{ 265 int len, test; 266 267 if (val == NULL) 268 warnx("error: The %s requires a string argument", fieldtitle); 269 else if ((len = strlen(val)) <= length) { 270 if (testmode == 'd') 271 test = cd9660_valid_d_chars(val); 272 else 273 test = cd9660_valid_a_chars(val); 274 if (test) { 275 memcpy(dest, val, len); 276 if (test == 2) 277 cd9660_uppercase_characters(dest, len); 278 return 1; 279 } else 280 warnx("error: The %s must be composed of " 281 "%c-characters", fieldtitle, testmode); 282 } else 283 warnx("error: The %s must be at most 32 characters long", 284 fieldtitle); 285 return 0; 286} 287 288/* 289 * Command-line parsing function 290 */ 291 292int 293cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 294{ 295 char *var, *val; 296 int rv; 297 /* Set up allowed options - integer options ONLY */ 298 option_t cd9660_options[] = { 299 { "l", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 300 { "isolevel", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 301 { "verbose", &diskStructure.verbose_level, 0, 2, 302 "Turns on verbose output" }, 303 { "v", &diskStructure.verbose_level, 0 , 2, 304 "Turns on verbose output"}, 305 { .name = NULL } 306 }; 307 308 if (cd9660_defaults_set == 0) 309 cd9660_set_defaults(); 310 311 /* 312 * Todo : finish implementing this, and make a function that 313 * parses them 314 */ 315 /* 316 string_option_t cd9660_string_options[] = { 317 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS }, 318 { NULL } 319 } 320 */ 321 322 assert(option != NULL); 323 324 if (debug & DEBUG_FS_PARSE_OPTS) 325 printf("cd9660_parse_opts: got `%s'\n", option); 326 327 if ((var = strdup(option)) == NULL) 328 err(1, "allocating memory for copy of option string"); 329 rv = 1; 330 331 val = strchr(var, '='); 332 if (val != NULL) 333 *val++ = '\0'; 334 335 /* First handle options with no parameters */ 336 if (strcmp(var, "h") == 0) { 337 diskStructure.displayHelp = 1; 338 rv = 1; 339 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) { 340 /* this is not handled yet */ 341 diskStructure.follow_sym_links = 1; 342 rv = 1; 343 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) { 344 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd', 345 diskStructure.primaryDescriptor.volume_id); 346 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) { 347 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a', 348 diskStructure.primaryDescriptor.application_id); 349 } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) { 350 rv = cd9660_arguments_set_string(val, "Publisher Identifier", 351 128, 'a', diskStructure.primaryDescriptor.publisher_id); 352 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) { 353 rv = cd9660_arguments_set_string(val, "Preparer Identifier", 354 128, 'a', diskStructure.primaryDescriptor.preparer_id); 355 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) { 356 rv = cd9660_arguments_set_string(val, "Volume Set Identifier", 357 128, 'a', diskStructure.primaryDescriptor.volume_set_id); 358 /* Boot options */ 359 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) { 360 if (val == NULL) 361 warnx("error: The Boot Image parameter requires a valid boot information string"); 362 else 363 rv = cd9660_add_boot_disk(val); 364 } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) { 365 /* 366 * XXXfvdl this is unused. 367 */ 368 if (val == NULL) 369 errx(1, "error: The Boot Image Directory parameter" 370 " requires a directory name\n"); 371 else { 372 if ((diskStructure.boot_image_directory = 373 malloc(strlen(val) + 1)) == NULL) { 374 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts"); 375 exit(1); 376 } 377 378 /* BIG TODO: Add the max length function here */ 379 cd9660_arguments_set_string(val, "Boot Image Directory", 380 12 , 'd', diskStructure.boot_image_directory); 381 } 382 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) { 383 if (val == NULL) 384 warnx("error: The Boot Image parameter requires a valid boot information string"); 385 else 386 rv = cd9660_add_generic_bootimage(val); 387 } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding")) 388 diskStructure.include_padding_areas = 0; 389 /* RRIP */ 390 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge")) 391 diskStructure.rock_ridge_enabled = 1; 392 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes")) 393 diskStructure.archimedes_enabled = 1; 394 else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot")) 395 diskStructure.chrp_boot = 1; 396 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images")) 397 diskStructure.keep_bad_images = 1; 398 else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees")) 399 diskStructure.allow_deep_trees = 1; 400 else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name")) 401 diskStructure.allow_max_name = 1; 402 else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars")) 403 diskStructure.allow_illegal_chars = 1; 404 else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase")) 405 diskStructure.allow_lowercase = 1; 406 else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot")) 407 diskStructure.allow_multidot = 1; 408 else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period")) 409 diskStructure.omit_trailing_period = 1; 410 else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") || 411 CD9660_IS_COMMAND_ARG(var, "no-boot") || 412 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) { 413 cd9660_eltorito_add_boot_option(var, 0); 414 415 /* End of flag variables */ 416 } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) { 417 if (val == NULL) { 418 warnx("Option `%s' doesn't contain a value", var); 419 rv = 0; 420 } else { 421 cd9660_eltorito_add_boot_option(var, val); 422 } 423 } else { 424 if (val == NULL) { 425 warnx("Option `%s' doesn't contain a value", var); 426 rv = 0; 427 } else 428 rv = set_option(cd9660_options, var, val); 429 } 430 431 if (var) 432 free(var); 433 return (rv); 434} 435 436/* 437 * Main function for cd9660_makefs 438 * Builds the ISO image file 439 * @param const char *image The image filename to create 440 * @param const char *dir The directory that is being read 441 * @param struct fsnode *root The root node of the filesystem tree 442 * @param struct fsinfo_t *fsopts Any options 443 */ 444void 445cd9660_makefs(const char *image, const char *dir, fsnode *root, 446 fsinfo_t *fsopts) 447{ 448 int64_t startoffset; 449 int numDirectories; 450 uint64_t pathTableSectors; 451 int64_t firstAvailableSector; 452 int64_t totalSpace; 453 int error; 454 cd9660node *real_root; 455 456 if (diskStructure.verbose_level > 0) 457 printf("cd9660_makefs: ISO level is %i\n", 458 diskStructure.isoLevel); 459 if (diskStructure.isoLevel < 2 && 460 diskStructure.allow_multidot) 461 errx(1, "allow-multidot requires iso level of 2\n"); 462 463 assert(image != NULL); 464 assert(dir != NULL); 465 assert(root != NULL); 466 467 if (diskStructure.displayHelp) { 468 /* 469 * Display help here - probably want to put it in 470 * a separate function 471 */ 472 return; 473 } 474 475 if (diskStructure.verbose_level > 0) 476 printf("cd9660_makefs: image %s directory %s root %p\n", 477 image, dir, root); 478 479 /* Set up some constants. Later, these will be defined with options */ 480 481 /* Counter needed for path tables */ 482 numDirectories = 0; 483 484 /* Convert tree to our own format */ 485 /* Actually, we now need to add the REAL root node, at level 0 */ 486 487 real_root = cd9660_allocate_cd9660node(); 488 if ((real_root->isoDirRecord = 489 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 490 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 491 exit(1); 492 } 493 494 /* Leave filename blank for root */ 495 memset(real_root->isoDirRecord->name, 0, 496 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 497 498 real_root->level = 0; 499 diskStructure.rootNode = real_root; 500 real_root->type = CD9660_TYPE_DIR; 501 error = 0; 502 real_root->node = root; 503 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error); 504 505 if (TAILQ_EMPTY(&real_root->cn_children)) { 506 errx(1, "cd9660_makefs: converted directory is empty. " 507 "Tree conversion failed\n"); 508 } else if (error != 0) { 509 errx(1, "cd9660_makefs: tree conversion failed\n"); 510 } else { 511 if (diskStructure.verbose_level > 0) 512 printf("cd9660_makefs: tree converted\n"); 513 } 514 515 /* Add the dot and dot dot records */ 516 cd9660_add_dot_records(real_root); 517 518 cd9660_setup_root_node(); 519 520 if (diskStructure.verbose_level > 0) 521 printf("cd9660_makefs: done converting tree\n"); 522 523 /* non-SUSP extensions */ 524 if (diskStructure.archimedes_enabled) 525 archimedes_convert_tree(diskStructure.rootNode); 526 527 /* Rock ridge / SUSP init pass */ 528 if (diskStructure.rock_ridge_enabled) { 529 cd9660_susp_initialize(diskStructure.rootNode, 530 diskStructure.rootNode, NULL); 531 } 532 533 /* Build path table structure */ 534 diskStructure.pathTableLength = cd9660_generate_path_table(); 535 536 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize, 537 diskStructure.pathTableLength); 538 539 firstAvailableSector = cd9660_setup_volume_descriptors(); 540 if (diskStructure.is_bootable) { 541 firstAvailableSector = cd9660_setup_boot(firstAvailableSector); 542 if (firstAvailableSector < 0) 543 errx(1, "setup_boot failed"); 544 } 545 /* LE first, then BE */ 546 diskStructure.primaryLittleEndianTableSector = firstAvailableSector; 547 diskStructure.primaryBigEndianTableSector = 548 diskStructure.primaryLittleEndianTableSector + pathTableSectors; 549 550 /* Set the secondary ones to -1, not going to use them for now */ 551 diskStructure.secondaryBigEndianTableSector = -1; 552 diskStructure.secondaryLittleEndianTableSector = -1; 553 554 diskStructure.dataFirstSector = 555 diskStructure.primaryBigEndianTableSector + pathTableSectors; 556 if (diskStructure.verbose_level > 0) 557 printf("cd9660_makefs: Path table conversion complete. " 558 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 559 diskStructure.pathTableLength, pathTableSectors); 560 561 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector; 562 563 totalSpace = cd9660_compute_offsets(real_root, startoffset); 564 565 diskStructure.totalSectors = diskStructure.dataFirstSector + 566 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace); 567 568 /* Disabled until pass 1 is done */ 569 if (diskStructure.rock_ridge_enabled) { 570 diskStructure.susp_continuation_area_start_sector = 571 diskStructure.totalSectors; 572 diskStructure.totalSectors += 573 CD9660_BLOCKS(diskStructure.sectorSize, 574 diskStructure.susp_continuation_area_size); 575 cd9660_susp_finalize(diskStructure.rootNode); 576 } 577 578 579 cd9660_finalize_PVD(); 580 581 /* Add padding sectors, just for testing purposes right now */ 582 /* diskStructure.totalSectors+=150; */ 583 584 /* Debugging output */ 585 if (diskStructure.verbose_level > 0) { 586 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 587 printf("cd9660_makefs: Primary path tables starts in sector %" 588 PRId64 "\n", diskStructure.primaryLittleEndianTableSector); 589 printf("cd9660_makefs: File data starts in sector %" 590 PRId64 "\n", diskStructure.dataFirstSector); 591 printf("cd9660_makefs: Total sectors: %" 592 PRId64 "\n", diskStructure.totalSectors); 593 } 594 595 /* 596 * Add padding sectors at the end 597 * TODO: Clean this up and separate padding 598 */ 599 if (diskStructure.include_padding_areas) 600 diskStructure.totalSectors += 150; 601 602 cd9660_write_image(image); 603 604 if (diskStructure.verbose_level > 1) { 605 debug_print_volume_descriptor_information(); 606 debug_print_tree(real_root,0); 607 debug_print_path_tree(real_root); 608 } 609 610 /* Clean up data structures */ 611 cd9660_free_structure(real_root); 612 613 if (diskStructure.verbose_level > 0) 614 printf("cd9660_makefs: done\n"); 615} 616 617/* Generic function pointer - implement later */ 618typedef int (*cd9660node_func)(cd9660node *); 619 620static void 621cd9660_finalize_PVD(void) 622{ 623 time_t tim; 624 625 /* root should be a fixed size of 34 bytes since it has no name */ 626 memcpy(diskStructure.primaryDescriptor.root_directory_record, 627 diskStructure.rootNode->dot_record->isoDirRecord, 34); 628 629 /* In RRIP, this might be longer than 34 */ 630 diskStructure.primaryDescriptor.root_directory_record[0] = 34; 631 632 /* Set up all the important numbers in the PVD */ 633 cd9660_bothendian_dword(diskStructure.totalSectors, 634 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size); 635 cd9660_bothendian_word(1, 636 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size); 637 cd9660_bothendian_word(1, 638 (unsigned char *) 639 diskStructure.primaryDescriptor.volume_sequence_number); 640 cd9660_bothendian_word(diskStructure.sectorSize, 641 (unsigned char *) 642 diskStructure.primaryDescriptor.logical_block_size); 643 cd9660_bothendian_dword(diskStructure.pathTableLength, 644 (unsigned char *)diskStructure.primaryDescriptor.path_table_size); 645 646 cd9660_731(diskStructure.primaryLittleEndianTableSector, 647 (u_char *)diskStructure.primaryDescriptor.type_l_path_table); 648 cd9660_732(diskStructure.primaryBigEndianTableSector, 649 (u_char *)diskStructure.primaryDescriptor.type_m_path_table); 650 651 diskStructure.primaryDescriptor.file_structure_version[0] = 1; 652 653 /* Pad all strings with spaces instead of nulls */ 654 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32); 655 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32); 656 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id, 657 128); 658 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id, 659 128); 660 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id, 661 128); 662 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id, 663 128); 664 cd9660_pad_string_spaces( 665 diskStructure.primaryDescriptor.copyright_file_id, 37); 666 cd9660_pad_string_spaces( 667 diskStructure.primaryDescriptor.abstract_file_id, 37); 668 cd9660_pad_string_spaces( 669 diskStructure.primaryDescriptor.bibliographic_file_id, 37); 670 671 /* Setup dates */ 672 time(&tim); 673 cd9660_time_8426( 674 (unsigned char *)diskStructure.primaryDescriptor.creation_date, 675 tim); 676 cd9660_time_8426( 677 (unsigned char *)diskStructure.primaryDescriptor.modification_date, 678 tim); 679 680 /* 681 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now); 682 */ 683 684 memset(diskStructure.primaryDescriptor.expiration_date, '0', 16); 685 diskStructure.primaryDescriptor.expiration_date[16] = 0; 686 cd9660_time_8426( 687 (unsigned char *)diskStructure.primaryDescriptor.effective_date, 688 tim); 689} 690 691static void 692cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 693 u_char ext_attr_length, u_char flags, 694 u_char name_len, const char * name) 695{ 696 record->ext_attr_length[0] = ext_attr_length; 697 record->flags[0] = ISO_FLAG_CLEAR | flags; 698 record->file_unit_size[0] = 0; 699 record->interleave[0] = 0; 700 cd9660_bothendian_word(1, record->volume_sequence_number); 701 record->name_len[0] = name_len; 702 memset(record->name, '\0', sizeof (record->name)); 703 memcpy(record->name, name, name_len); 704 record->length[0] = 33 + name_len; 705 706 /* Todo : better rounding */ 707 record->length[0] += (record->length[0] & 1) ? 1 : 0; 708} 709 710static void 711cd9660_setup_root_node(void) 712{ 713 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord, 714 0, ISO_FLAG_DIRECTORY, 1, "\0"); 715 716} 717 718/*********** SUPPORT FUNCTIONS ***********/ 719static int 720cd9660_setup_volume_descriptors(void) 721{ 722 /* Boot volume descriptor should come second */ 723 int sector = 16; 724 /* For now, a fixed 2 : PVD and terminator */ 725 volume_descriptor *temp, *t; 726 727 /* Set up the PVD */ 728 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 729 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 730 exit(1); 731 } 732 733 temp->volumeDescriptorData = 734 (unsigned char *)&diskStructure.primaryDescriptor; 735 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 736 temp->volumeDescriptorData[6] = 1; 737 temp->sector = sector; 738 memcpy(temp->volumeDescriptorData + 1, 739 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 740 diskStructure.firstVolumeDescriptor = temp; 741 742 sector++; 743 /* Set up boot support if enabled. BVD must reside in sector 17 */ 744 if (diskStructure.is_bootable) { 745 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 746 CD9660_MEM_ALLOC_ERROR( 747 "cd9660_setup_volume_descriptors"); 748 exit(1); 749 } 750 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 751 CD9660_MEM_ALLOC_ERROR( 752 "cd9660_setup_volume_descriptors"); 753 exit(1); 754 } 755 temp->next = t; 756 temp = t; 757 memset(t->volumeDescriptorData, 0, 2048); 758 t->sector = 17; 759 if (diskStructure.verbose_level > 0) 760 printf("Setting up boot volume descriptor\n"); 761 cd9660_setup_boot_volume_descriptor(t); 762 sector++; 763 } 764 765 /* Set up the terminator */ 766 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 767 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 768 exit(1); 769 } 770 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 771 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 772 exit(1); 773 } 774 775 temp->next = t; 776 memset(t->volumeDescriptorData, 0, 2048); 777 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 778 t->next = 0; 779 t->volumeDescriptorData[6] = 1; 780 t->sector = sector; 781 memcpy(t->volumeDescriptorData + 1, 782 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 783 784 sector++; 785 return sector; 786} 787 788#if 0 789/* 790 * Populate EAR at some point. Not required, but is used by NetBSD's 791 * cd9660 support 792 */ 793static int 794cd9660_fill_extended_attribute_record(cd9660node *node) 795{ 796 if ((node->isoExtAttributes = 797 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 798 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 799 exit(1); 800 }; 801 802 return 1; 803} 804#endif 805 806static int 807cd9660_translate_node_common(cd9660node *newnode) 808{ 809 time_t tim; 810 int test; 811 u_char flag; 812 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 813 814 /* Now populate the isoDirRecord structure */ 815 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 816 817 test = cd9660_convert_filename(newnode->node->name, 818 temp, !(S_ISDIR(newnode->node->type))); 819 820 flag = ISO_FLAG_CLEAR; 821 if (S_ISDIR(newnode->node->type)) 822 flag |= ISO_FLAG_DIRECTORY; 823 824 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 825 flag, strlen(temp), temp); 826 827 /* Set the various dates */ 828 829 /* If we want to use the current date and time */ 830 time(&tim); 831 832 cd9660_time_915(newnode->isoDirRecord->date, tim); 833 834 cd9660_bothendian_dword(newnode->fileDataLength, 835 newnode->isoDirRecord->size); 836 /* If the file is a link, we want to set the size to 0 */ 837 if (S_ISLNK(newnode->node->type)) 838 newnode->fileDataLength = 0; 839 840 return 1; 841} 842 843/* 844 * Translate fsnode to cd9660node 845 * Translate filenames and other metadata, including dates, sizes, 846 * permissions, etc 847 * @param struct fsnode * The node generated by makefs 848 * @param struct cd9660node * The intermediate node to be written to 849 * @returns int 0 on failure, 1 on success 850 */ 851static int 852cd9660_translate_node(fsnode *node, cd9660node *newnode) 853{ 854 if (node == NULL) { 855 if (diskStructure.verbose_level > 0) 856 printf("cd9660_translate_node: NULL node passed, " 857 "returning\n"); 858 return 0; 859 } 860 if ((newnode->isoDirRecord = 861 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 862 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 863 return 0; 864 } 865 866 /* Set the node pointer */ 867 newnode->node = node; 868 869 /* Set the size */ 870 if (!(S_ISDIR(node->type))) 871 newnode->fileDataLength = node->inode->st.st_size; 872 873 if (cd9660_translate_node_common(newnode) == 0) 874 return 0; 875 876 /* Finally, overwrite some of the values that are set by default */ 877 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 878 879 return 1; 880} 881 882/* 883 * Compares two ISO filenames 884 * @param const char * The first file name 885 * @param const char * The second file name 886 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 887 * the second is greater than the first 888 */ 889static int 890cd9660_compare_filename(const char *first, const char *second) 891{ 892 /* 893 * This can be made more optimal once it has been tested 894 * (the extra character, for example, is for testing) 895 */ 896 897 int p1 = 0; 898 int p2 = 0; 899 char c1, c2; 900 /* First, on the filename */ 901 902 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 903 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 904 c1 = first[p1]; 905 c2 = second[p2]; 906 if (c1 == '.' && c2 =='.') 907 break; 908 else if (c1 == '.') { 909 p2++; 910 c1 = ' '; 911 } else if (c2 == '.') { 912 p1++; 913 c2 = ' '; 914 } else { 915 p1++; 916 p2++; 917 } 918 919 if (c1 < c2) 920 return -1; 921 else if (c1 > c2) { 922 return 1; 923 } 924 } 925 926 if (first[p1] == '.' && second[p2] == '.') { 927 p1++; 928 p2++; 929 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 930 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 931 c1 = first[p1]; 932 c2 = second[p2]; 933 if (c1 == ';' && c2 == ';') 934 break; 935 else if (c1 == ';') { 936 p2++; 937 c1 = ' '; 938 } else if (c2 == ';') { 939 p1++; 940 c2 = ' '; 941 } else { 942 p1++; 943 p2++; 944 } 945 946 if (c1 < c2) 947 return -1; 948 else if (c1 > c2) 949 return 1; 950 } 951 } 952 return 0; 953} 954 955/* 956 * Insert a node into list with ISO sorting rules 957 * @param cd9660node * The head node of the list 958 * @param cd9660node * The node to be inserted 959 */ 960static void 961cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 962{ 963 int compare; 964 cd9660node *cn; 965 struct cd9660_children_head *head = &parent->cn_children; 966 967 /* TODO: Optimize? */ 968 cn_new->parent = parent; 969 970 /* 971 * first will either be 0, the . or the .. 972 * if . or .., this means no other entry may be written before first 973 * if 0, the new node may be inserted at the head 974 */ 975 976 TAILQ_FOREACH(cn, head, cn_next_child) { 977 /* 978 * Dont insert a node twice - 979 * that would cause an infinite loop 980 */ 981 if (cn_new == cn) 982 return; 983 984 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 985 cn->isoDirRecord->name); 986 987 if (compare == 0) 988 compare = cd9660_compare_filename(cn_new->node->name, 989 cn->node->name); 990 991 if (compare < 0) 992 break; 993 } 994 if (cn == NULL) 995 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 996 else 997 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 998} 999 1000/* 1001 * Called After cd9660_sorted_child_insert 1002 * handles file collisions by suffixing each filname with ~n 1003 * where n represents the files respective place in the ordering 1004 */ 1005static int 1006cd9660_handle_collisions(cd9660node *colliding, int past) 1007{ 1008 cd9660node *iter, *next, *prev; 1009 int skip; 1010 int delete_chars = 0; 1011 int temp_past = past; 1012 int temp_skip; 1013 int flag = 0; 1014 cd9660node *end_of_range; 1015 1016 for (iter = TAILQ_FIRST(&colliding->cn_children); 1017 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1018 if (strcmp(iter->isoDirRecord->name, 1019 next->isoDirRecord->name) != 0) { 1020 iter = TAILQ_NEXT(iter, cn_next_child); 1021 continue; 1022 } 1023 flag = 1; 1024 temp_skip = skip = cd9660_count_collisions(iter); 1025 end_of_range = iter; 1026 while (temp_skip > 0) { 1027 temp_skip--; 1028 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1029 } 1030 temp_past = past; 1031 while (temp_past > 0) { 1032 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1033 end_of_range = next; 1034 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1035 iter = prev; 1036 else 1037 delete_chars++; 1038 temp_past--; 1039 } 1040 skip += past; 1041 iter = cd9660_rename_filename(iter, skip, delete_chars); 1042 } 1043 return flag; 1044} 1045 1046 1047static cd9660node * 1048cd9660_rename_filename(cd9660node *iter, int num, int delete_chars) 1049{ 1050 int i = 0; 1051 int numbts, digit, digits, temp, powers, count; 1052 char *naming; 1053 int maxlength; 1054 char *tmp; 1055 1056 if (diskStructure.verbose_level > 0) 1057 printf("Rename_filename called\n"); 1058 1059 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1060 if (diskStructure.isoLevel == 1) 1061 maxlength = 8; 1062 else if (diskStructure.isoLevel == 2) 1063 maxlength = 31; 1064 else 1065 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1066 1067 tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1068 1069 while (i < num) { 1070 powers = 1; 1071 count = 0; 1072 digits = 1; 1073 while (((int)(i / powers) ) >= 10) { 1074 digits++; 1075 powers = powers * 10; 1076 } 1077 1078 naming = iter->o_name; 1079 1080 /* 1081 while ((*naming != '.') && (*naming != ';')) { 1082 naming++; 1083 count++; 1084 } 1085 */ 1086 1087 while (count < maxlength) { 1088 if (*naming == ';') 1089 break; 1090 naming++; 1091 count++; 1092 } 1093 1094 if ((count + digits) < maxlength) 1095 numbts = count; 1096 else 1097 numbts = maxlength - (digits); 1098 numbts -= delete_chars; 1099 1100 /* 8.3 rules - keep the extension, add before the dot */ 1101 1102 /* 1103 * This code makes a bunch of assumptions. 1104 * See if you can spot them all :) 1105 */ 1106 1107 /* 1108 if (diskStructure.isoLevel == 1) { 1109 numbts = 8 - digits - delete_chars; 1110 if (dot < 0) { 1111 1112 } else { 1113 if (dot < 8) { 1114 memmove(&tmp[numbts],&tmp[dot],4); 1115 } 1116 } 1117 } 1118 */ 1119 1120 /* (copying just the filename before the '.' */ 1121 memcpy(tmp, (iter->o_name), numbts); 1122 1123 /* adding the appropriate number following the name */ 1124 temp = i; 1125 while (digits > 0) { 1126 digit = (int)(temp / powers); 1127 temp = temp - digit * powers; 1128 sprintf(&tmp[numbts] , "%d", digit); 1129 digits--; 1130 numbts++; 1131 powers = powers / 10; 1132 } 1133 1134 while ((*naming != ';') && (numbts < maxlength)) { 1135 tmp[numbts] = (*naming); 1136 naming++; 1137 numbts++; 1138 } 1139 1140 tmp[numbts] = ';'; 1141 tmp[numbts+1] = '1'; 1142 tmp[numbts+2] = '\0'; 1143 1144 /* 1145 * now tmp has exactly the identifier 1146 * we want so we'll copy it back to record 1147 */ 1148 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1149 1150 iter = TAILQ_NEXT(iter, cn_next_child); 1151 i++; 1152 } 1153 1154 free(tmp); 1155 return iter; 1156} 1157 1158/* Todo: Figure out why these functions are nec. */ 1159static void 1160cd9660_copy_filenames(cd9660node *node) 1161{ 1162 cd9660node *cn; 1163 1164 if (TAILQ_EMPTY(&node->cn_children)) 1165 return; 1166 1167 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1168 debug_print_tree(diskStructure.rootNode, 0); 1169 exit(1); 1170 } 1171 1172 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1173 cd9660_copy_filenames(cn); 1174 memcpy(cn->o_name, cn->isoDirRecord->name, 1175 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1176 } 1177} 1178 1179static void 1180cd9660_sorting_nodes(cd9660node *node) 1181{ 1182 cd9660node *cn; 1183 1184 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1185 cd9660_sorting_nodes(cn); 1186 cd9660_sort_nodes(node); 1187} 1188 1189/* XXX Bubble sort. */ 1190static void 1191cd9660_sort_nodes(cd9660node *node) 1192{ 1193 cd9660node *cn, *next; 1194 1195 do { 1196 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1197 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1198 return; 1199 else if (strcmp(next->isoDirRecord->name, 1200 cn->isoDirRecord->name) >= 0) 1201 continue; 1202 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1203 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1204 break; 1205 } 1206 } while (cn != NULL); 1207} 1208 1209static int 1210cd9660_count_collisions(cd9660node *copy) 1211{ 1212 int count = 0; 1213 cd9660node *iter, *next; 1214 1215 for (iter = copy; 1216 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1217 iter = next) { 1218 if (cd9660_compare_filename(iter->isoDirRecord->name, 1219 next->isoDirRecord->name) == 0) 1220 count++; 1221 else 1222 return count; 1223 } 1224#if 0 1225 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1226 printf("cd9660_recurse_on_collision: count is %i \n", count); 1227 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1228 next->isoDirRecord->name); 1229 if (compare == 0) { 1230 count++; 1231 return cd9660_recurse_on_collision(next, count); 1232 } else 1233 return count; 1234 } 1235#endif 1236 return count; 1237} 1238 1239static cd9660node * 1240cd9660_rrip_move_directory(cd9660node *dir) 1241{ 1242 char newname[9]; 1243 cd9660node *tfile; 1244 1245 /* 1246 * This function needs to: 1247 * 1) Create an empty virtual file in place of the old directory 1248 * 2) Point the virtual file to the new directory 1249 * 3) Point the relocated directory to its old parent 1250 * 4) Move the directory specified by dir into rr_moved_dir, 1251 * and rename it to "diskStructure.rock_ridge_move_count" (as a string) 1252 */ 1253 1254 /* First see if the moved directory even exists */ 1255 if (diskStructure.rr_moved_dir == NULL) { 1256 diskStructure.rr_moved_dir = 1257 cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1258 diskStructure.rootNode, dir); 1259 if (diskStructure.rr_moved_dir == NULL) 1260 return 0; 1261 } 1262 1263 /* Create a file with the same ORIGINAL name */ 1264 tfile = cd9660_create_file(dir->node->name, dir->parent, dir); 1265 if (tfile == NULL) 1266 return NULL; 1267 1268 diskStructure.rock_ridge_move_count++; 1269 snprintf(newname, sizeof(newname), "%08i", 1270 diskStructure.rock_ridge_move_count); 1271 1272 /* Point to old parent */ 1273 dir->rr_real_parent = dir->parent; 1274 1275 /* Place the placeholder file */ 1276 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1277 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1278 cn_next_child); 1279 } else { 1280 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1281 } 1282 1283 /* Point to new parent */ 1284 dir->parent = diskStructure.rr_moved_dir; 1285 1286 /* Point the file to the moved directory */ 1287 tfile->rr_relocated = dir; 1288 1289 /* Actually move the directory */ 1290 cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir); 1291 1292 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1293 1294 /* Set the new name */ 1295 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1296 strncpy(dir->isoDirRecord->name, newname, 8); 1297 dir->isoDirRecord->length[0] = 34 + 8; 1298 dir->isoDirRecord->name_len[0] = 8; 1299 1300 return dir; 1301} 1302 1303static int 1304cd9660_add_dot_records(cd9660node *root) 1305{ 1306 struct cd9660_children_head *head = &root->cn_children; 1307 cd9660node *cn; 1308 1309 TAILQ_FOREACH(cn, head, cn_next_child) { 1310 if ((cn->type & CD9660_TYPE_DIR) == 0) 1311 continue; 1312 /* Recursion first */ 1313 cd9660_add_dot_records(cn); 1314 } 1315 cd9660_create_special_directory(CD9660_TYPE_DOT, root); 1316 cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root); 1317 return 1; 1318} 1319 1320/* 1321 * Convert node to cd9660 structure 1322 * This function is designed to be called recursively on the root node of 1323 * the filesystem 1324 * Lots of recursion going on here, want to make sure it is efficient 1325 * @param struct fsnode * The root node to be converted 1326 * @param struct cd9660* The parent node (should not be NULL) 1327 * @param int Current directory depth 1328 * @param int* Running count of the number of directories that are being created 1329 */ 1330static void 1331cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level, 1332 int *numDirectories, int *error) 1333{ 1334 fsnode *iterator = root; 1335 cd9660node *this_node; 1336 int working_level; 1337 int add; 1338 int flag = 0; 1339 int counter = 0; 1340 1341 /* 1342 * Newer, more efficient method, reduces recursion depth 1343 */ 1344 if (root == NULL) { 1345 warnx("%s: root is null\n", __func__); 1346 return; 1347 } 1348 1349 /* Test for an empty directory - makefs still gives us the . record */ 1350 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1351 && (root->name[1] == '\0')) { 1352 root = root->next; 1353 if (root == NULL) 1354 return; 1355 } 1356 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1357 CD9660_MEM_ALLOC_ERROR(__func__); 1358 } 1359 1360 /* 1361 * To reduce the number of recursive calls, we will iterate over 1362 * the next pointers to the right. 1363 */ 1364 while (iterator != NULL) { 1365 add = 1; 1366 /* 1367 * Increment the directory count if this is a directory 1368 * Ignore "." entries. We will generate them later 1369 */ 1370 if (!S_ISDIR(iterator->type) || 1371 strcmp(iterator->name, ".") != 0) { 1372 1373 /* Translate the node, including its filename */ 1374 this_node->parent = parent_node; 1375 cd9660_translate_node(iterator, this_node); 1376 this_node->level = level; 1377 1378 if (S_ISDIR(iterator->type)) { 1379 (*numDirectories)++; 1380 this_node->type = CD9660_TYPE_DIR; 1381 working_level = level + 1; 1382 1383 /* 1384 * If at level 8, directory would be at 8 1385 * and have children at 9 which is not 1386 * allowed as per ISO spec 1387 */ 1388 if (level == 8) { 1389 if ((!diskStructure.allow_deep_trees) && 1390 (!diskStructure.rock_ridge_enabled)) { 1391 warnx("error: found entry " 1392 "with depth greater " 1393 "than 8."); 1394 (*error) = 1; 1395 return; 1396 } else if (diskStructure. 1397 rock_ridge_enabled) { 1398 working_level = 3; 1399 /* 1400 * Moved directory is actually 1401 * at level 2. 1402 */ 1403 this_node->level = 1404 working_level - 1; 1405 if (cd9660_rrip_move_directory( 1406 this_node) == 0) { 1407 warnx("Failure in " 1408 "cd9660_rrip_" 1409 "move_directory" 1410 ); 1411 (*error) = 1; 1412 return; 1413 } 1414 add = 0; 1415 } 1416 } 1417 1418 /* Do the recursive call on the children */ 1419 if (iterator->child != 0) { 1420 cd9660_convert_structure( 1421 iterator->child, this_node, 1422 working_level, 1423 numDirectories, error); 1424 1425 if ((*error) == 1) { 1426 warnx("%s: Error on recursive " 1427 "call", __func__); 1428 return; 1429 } 1430 } 1431 1432 } else { 1433 /* Only directories should have children */ 1434 assert(iterator->child == NULL); 1435 1436 this_node->type = CD9660_TYPE_FILE; 1437 } 1438 1439 /* 1440 * Finally, do a sorted insert 1441 */ 1442 if (add) { 1443 cd9660_sorted_child_insert( 1444 parent_node, this_node); 1445 } 1446 1447 /*Allocate new temp_node */ 1448 if (iterator->next != 0) { 1449 this_node = cd9660_allocate_cd9660node(); 1450 if (this_node == NULL) 1451 CD9660_MEM_ALLOC_ERROR(__func__); 1452 } 1453 } 1454 iterator = iterator->next; 1455 } 1456 1457 /* cd9660_handle_collisions(first_node); */ 1458 1459 /* TODO: need cleanup */ 1460 cd9660_copy_filenames(parent_node); 1461 1462 do { 1463 flag = cd9660_handle_collisions(parent_node, counter); 1464 counter++; 1465 cd9660_sorting_nodes(parent_node); 1466 } while ((flag == 1) && (counter < 100)); 1467} 1468 1469/* 1470 * Clean up the cd9660node tree 1471 * This is designed to be called recursively on the root node 1472 * @param struct cd9660node *root The node to free 1473 * @returns void 1474 */ 1475static void 1476cd9660_free_structure(cd9660node *root) 1477{ 1478 cd9660node *cn; 1479 1480 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1481 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1482 cd9660_free_structure(cn); 1483 } 1484 free(root); 1485} 1486 1487/* 1488 * Be a little more memory conservative: 1489 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1490 * just create a temporary structure 1491 */ 1492struct ptq_entry 1493{ 1494 TAILQ_ENTRY(ptq_entry) ptq; 1495 cd9660node *node; 1496} *n; 1497 1498#define PTQUEUE_NEW(n,s,r,t){\ 1499 n = malloc(sizeof(struct s)); \ 1500 if (n == NULL) \ 1501 return r; \ 1502 n->node = t;\ 1503} 1504 1505/* 1506 * Generate the path tables 1507 * The specific implementation of this function is left as an exercise to the 1508 * programmer. It could be done recursively. Make sure you read how the path 1509 * table has to be laid out, it has levels. 1510 * @param struct iso9660_disk *disk The disk image 1511 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1512 */ 1513static int 1514cd9660_generate_path_table(void) 1515{ 1516 cd9660node *cn, *dirNode = diskStructure.rootNode; 1517 cd9660node *last = dirNode; 1518 int pathTableSize = 0; /* computed as we go */ 1519 int counter = 1; /* root gets a count of 0 */ 1520 1521 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1522 TAILQ_INIT(&pt_head); 1523 1524 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode); 1525 1526 /* Push the root node */ 1527 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1528 1529 /* Breadth-first traversal of file structure */ 1530 while (pt_head.tqh_first != 0) { 1531 n = pt_head.tqh_first; 1532 dirNode = n->node; 1533 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1534 free(n); 1535 1536 /* Update the size */ 1537 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1538 + dirNode->isoDirRecord->name_len[0]+ 1539 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1540 /* includes the padding bit */ 1541 1542 dirNode->ptnumber=counter; 1543 if (dirNode != last) { 1544 last->ptnext = dirNode; 1545 dirNode->ptprev = last; 1546 } 1547 last = dirNode; 1548 1549 /* Push children onto queue */ 1550 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1551 /* 1552 * Dont add the DOT and DOTDOT types to the path 1553 * table. 1554 */ 1555 if ((cn->type != CD9660_TYPE_DOT) 1556 && (cn->type != CD9660_TYPE_DOTDOT)) { 1557 1558 if (S_ISDIR(cn->node->type)) { 1559 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1560 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1561 } 1562 } 1563 } 1564 counter++; 1565 } 1566 return pathTableSize; 1567} 1568 1569void 1570cd9660_compute_full_filename(cd9660node *node, char *buf) 1571{ 1572 int len; 1573 1574 len = CD9660MAXPATH + 1; 1575 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1576 node->node->path, node->node->name); 1577 if (len > CD9660MAXPATH) 1578 errx(1, "Pathname too long."); 1579} 1580 1581/* NEW filename conversion method */ 1582typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int); 1583 1584 1585/* 1586 * TODO: These two functions are almost identical. 1587 * Some code cleanup is possible here 1588 * 1589 * XXX bounds checking! 1590 */ 1591static int 1592cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file) 1593{ 1594 /* 1595 * ISO 9660 : 10.1 1596 * File Name shall not contain more than 8 d or d1 characters 1597 * File Name Extension shall not contain more than 3 d or d1 characters 1598 * Directory Identifier shall not contain more than 8 d or d1 characters 1599 */ 1600 int namelen = 0; 1601 int extlen = 0; 1602 int found_ext = 0; 1603 1604 while (*oldname != '\0' && extlen < 3) { 1605 /* Handle period first, as it is special */ 1606 if (*oldname == '.') { 1607 if (found_ext) { 1608 *newname++ = '_'; 1609 extlen ++; 1610 } 1611 else { 1612 *newname++ = '.'; 1613 found_ext = 1; 1614 } 1615 } else { 1616 /* cut RISC OS file type off ISO name */ 1617 if (diskStructure.archimedes_enabled && 1618 *oldname == ',' && strlen(oldname) == 4) 1619 break; 1620 /* Enforce 12.3 / 8 */ 1621 if (namelen == 8 && !found_ext) 1622 break; 1623 1624 if (islower((unsigned char)*oldname)) 1625 *newname++ = toupper((unsigned char)*oldname); 1626 else if (isupper((unsigned char)*oldname) 1627 || isdigit((unsigned char)*oldname)) 1628 *newname++ = *oldname; 1629 else 1630 *newname++ = '_'; 1631 1632 if (found_ext) 1633 extlen++; 1634 else 1635 namelen++; 1636 } 1637 oldname ++; 1638 } 1639 if (is_file) { 1640 if (!found_ext && !diskStructure.omit_trailing_period) 1641 *newname++ = '.'; 1642 /* Add version */ 1643 sprintf(newname, ";%i", 1); 1644 } 1645 return namelen + extlen + found_ext; 1646} 1647 1648/* XXX bounds checking! */ 1649static int 1650cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file) 1651{ 1652 /* 1653 * ISO 9660 : 7.5.1 1654 * File name : 0+ d or d1 characters 1655 * separator 1 (.) 1656 * File name extension : 0+ d or d1 characters 1657 * separator 2 (;) 1658 * File version number (5 characters, 1-32767) 1659 * 1 <= Sum of File name and File name extension <= 30 1660 */ 1661 int namelen = 0; 1662 int extlen = 0; 1663 int found_ext = 0; 1664 1665 while (*oldname != '\0' && namelen + extlen < 30) { 1666 /* Handle period first, as it is special */ 1667 if (*oldname == '.') { 1668 if (found_ext) { 1669 if (diskStructure.allow_multidot) { 1670 *newname++ = '.'; 1671 } else { 1672 *newname++ = '_'; 1673 } 1674 extlen ++; 1675 } 1676 else { 1677 *newname++ = '.'; 1678 found_ext = 1; 1679 } 1680 } else { 1681 /* cut RISC OS file type off ISO name */ 1682 if (diskStructure.archimedes_enabled && 1683 *oldname == ',' && strlen(oldname) == 4) 1684 break; 1685 1686 if (islower((unsigned char)*oldname)) 1687 *newname++ = toupper((unsigned char)*oldname); 1688 else if (isupper((unsigned char)*oldname) || 1689 isdigit((unsigned char)*oldname)) 1690 *newname++ = *oldname; 1691 else if (diskStructure.allow_multidot && 1692 *oldname == '.') { 1693 *newname++ = '.'; 1694 } else { 1695 *newname++ = '_'; 1696 } 1697 1698 if (found_ext) 1699 extlen++; 1700 else 1701 namelen++; 1702 } 1703 oldname ++; 1704 } 1705 if (is_file) { 1706 if (!found_ext && !diskStructure.omit_trailing_period) 1707 *newname++ = '.'; 1708 /* Add version */ 1709 sprintf(newname, ";%i", 1); 1710 } 1711 return namelen + extlen + found_ext; 1712} 1713 1714#if 0 1715static int 1716cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file) 1717{ 1718 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1719} 1720#endif 1721 1722 1723/* 1724 * Convert a file name to ISO compliant file name 1725 * @param char * oldname The original filename 1726 * @param char ** newname The new file name, in the appropriate character 1727 * set and of appropriate length 1728 * @param int 1 if file, 0 if directory 1729 * @returns int The length of the new string 1730 */ 1731static int 1732cd9660_convert_filename(const char *oldname, char *newname, int is_file) 1733{ 1734 /* NEW */ 1735 cd9660_filename_conversion_functor conversion_function = 0; 1736 if (diskStructure.isoLevel == 1) 1737 conversion_function = &cd9660_level1_convert_filename; 1738 else if (diskStructure.isoLevel == 2) 1739 conversion_function = &cd9660_level2_convert_filename; 1740 return (*conversion_function)(oldname, newname, is_file); 1741} 1742 1743int 1744cd9660_compute_record_size(cd9660node *node) 1745{ 1746 int size = node->isoDirRecord->length[0]; 1747 1748 if (diskStructure.rock_ridge_enabled) 1749 size += node->susp_entry_size; 1750 size += node->su_tail_size; 1751 size += size & 1; /* Ensure length of record is even. */ 1752 assert(size <= 254); 1753 return size; 1754} 1755 1756static void 1757cd9660_populate_dot_records(cd9660node *node) 1758{ 1759 node->dot_record->fileDataSector = node->fileDataSector; 1760 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1761 node->dot_record->isoDirRecord->name_len[0] = 1; 1762 node->dot_record->isoDirRecord->name[0] = 0; 1763 node->dot_record->isoDirRecord->name[1] = 0; 1764 node->dot_record->isoDirRecord->length[0] = 34; 1765 node->dot_record->fileRecordSize = 1766 cd9660_compute_record_size(node->dot_record); 1767 1768 if (node == diskStructure.rootNode) { 1769 node->dot_dot_record->fileDataSector = node->fileDataSector; 1770 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1771 34); 1772 } else { 1773 node->dot_dot_record->fileDataSector = 1774 node->parent->fileDataSector; 1775 memcpy(node->dot_dot_record->isoDirRecord, 1776 node->parent->isoDirRecord,34); 1777 } 1778 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1779 node->dot_dot_record->isoDirRecord->name[0] = 1; 1780 node->dot_dot_record->isoDirRecord->name[1] = 0; 1781 node->dot_dot_record->isoDirRecord->length[0] = 34; 1782 node->dot_dot_record->fileRecordSize = 1783 cd9660_compute_record_size(node->dot_dot_record); 1784} 1785 1786/* 1787 * @param struct cd9660node *node The node 1788 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1789 * @returns int The total size of files and directory entries (should be 1790 * a multiple of sector size) 1791*/ 1792static int64_t 1793cd9660_compute_offsets(cd9660node *node, int64_t startOffset) 1794{ 1795 /* 1796 * This function needs to compute the size of directory records and 1797 * runs, file lengths, and set the appropriate variables both in 1798 * cd9660node and isoDirEntry 1799 */ 1800 int64_t used_bytes = 0; 1801 int64_t current_sector_usage = 0; 1802 cd9660node *child; 1803 fsinode *inode; 1804 int64_t r; 1805 1806 assert(node != NULL); 1807 1808 1809 /* 1810 * NOTE : There needs to be some special case detection for 1811 * the "real root" node, since for it, node->node is undefined 1812 */ 1813 1814 node->fileDataSector = -1; 1815 1816 if (node->type & CD9660_TYPE_DIR) { 1817 node->fileRecordSize = cd9660_compute_record_size(node); 1818 /*Set what sector this directory starts in*/ 1819 node->fileDataSector = 1820 CD9660_BLOCKS(diskStructure.sectorSize,startOffset); 1821 1822 cd9660_bothendian_dword(node->fileDataSector, 1823 node->isoDirRecord->extent); 1824 1825 /* 1826 * First loop over children, need to know the size of 1827 * their directory records 1828 */ 1829 node->fileSectorsUsed = 1; 1830 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1831 node->fileDataLength += 1832 cd9660_compute_record_size(child); 1833 if ((cd9660_compute_record_size(child) + 1834 current_sector_usage) >= 1835 diskStructure.sectorSize) { 1836 current_sector_usage = 0; 1837 node->fileSectorsUsed++; 1838 } 1839 1840 current_sector_usage += 1841 cd9660_compute_record_size(child); 1842 } 1843 1844 cd9660_bothendian_dword(node->fileSectorsUsed * 1845 diskStructure.sectorSize,node->isoDirRecord->size); 1846 1847 /* 1848 * This should point to the sector after the directory 1849 * record (or, the first byte in that sector) 1850 */ 1851 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize; 1852 1853 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1854 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1855 /* Directories need recursive call */ 1856 if (S_ISDIR(child->node->type)) { 1857 r = cd9660_compute_offsets(child, 1858 used_bytes + startOffset); 1859 1860 if (r != -1) 1861 used_bytes += r; 1862 else 1863 return -1; 1864 } 1865 } 1866 1867 /* Explicitly set the . and .. records */ 1868 cd9660_populate_dot_records(node); 1869 1870 /* Finally, do another iteration to write the file data*/ 1871 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1872 child != NULL; 1873 child = TAILQ_NEXT(child, cn_next_child)) { 1874 /* Files need extent set */ 1875 if (S_ISDIR(child->node->type)) 1876 continue; 1877 child->fileRecordSize = 1878 cd9660_compute_record_size(child); 1879 1880 child->fileSectorsUsed = 1881 CD9660_BLOCKS(diskStructure.sectorSize, 1882 child->fileDataLength); 1883 1884 inode = child->node->inode; 1885 if ((inode->flags & FI_ALLOCATED) == 0) { 1886 inode->ino = 1887 CD9660_BLOCKS(diskStructure.sectorSize, 1888 used_bytes + startOffset); 1889 inode->flags |= FI_ALLOCATED; 1890 used_bytes += child->fileSectorsUsed * 1891 diskStructure.sectorSize; 1892 } else { 1893 INODE_WARNX(("%s: already allocated inode %d " 1894 "data sectors at %" PRIu32, __func__, 1895 (int)inode->st.st_ino, inode->ino)); 1896 } 1897 child->fileDataSector = inode->ino; 1898 cd9660_bothendian_dword(child->fileDataSector, 1899 child->isoDirRecord->extent); 1900 } 1901 } 1902 1903 return used_bytes; 1904} 1905 1906#if 0 1907/* Might get rid of this func */ 1908static int 1909cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1910{ 1911 to->node->inode->st.st_dev = 0; 1912 to->node->inode->st.st_ino = 0; 1913 to->node->inode->st.st_size = 0; 1914 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1915 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1916 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1917 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1918 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1919 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1920 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1921 /* Clear out type */ 1922 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1923 if (file) 1924 to->node->inode->st.st_mode |= S_IFREG; 1925 else 1926 to->node->inode->st.st_mode |= S_IFDIR; 1927 return 1; 1928} 1929#endif 1930 1931static cd9660node * 1932cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file, 1933 int insert) 1934{ 1935 cd9660node *temp; 1936 fsnode * tfsnode; 1937 1938 assert(parent != NULL); 1939 1940 temp = cd9660_allocate_cd9660node(); 1941 if (temp == NULL) 1942 return NULL; 1943 1944 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1945 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1946 return NULL; 1947 } 1948 1949 /* Assume for now name is a valid length */ 1950 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1951 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1952 return NULL; 1953 } 1954 1955 if ((temp->isoDirRecord = 1956 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1957 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1958 return NULL; 1959 } 1960 1961 strcpy(tfsnode->name, name); 1962 1963 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file); 1964 1965 temp->node = tfsnode; 1966 temp->parent = parent; 1967 1968 if (insert) { 1969 if (temp->parent != NULL) { 1970 temp->level = temp->parent->level + 1; 1971 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1972 cd9660_sorted_child_insert(temp->parent, temp); 1973 else 1974 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1975 temp, cn_next_child); 1976 } 1977 } 1978 1979 if (parent->node != NULL) { 1980 tfsnode->type = parent->node->type; 1981 } 1982 1983 /* Clear out file type bits */ 1984 tfsnode->type &= ~(S_IFMT); 1985 if (file) 1986 tfsnode->type |= S_IFREG; 1987 else 1988 tfsnode->type |= S_IFDIR; 1989 1990 /* Indicate that there is no spec entry (inode) */ 1991 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1992#if 0 1993 cd9660_copy_stat_info(parent, temp, file); 1994#endif 1995 return temp; 1996} 1997 1998static cd9660node * 1999cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me) 2000{ 2001 cd9660node *temp; 2002 2003 temp = cd9660_create_virtual_entry(name,parent,1,1); 2004 if (temp == NULL) 2005 return NULL; 2006 2007 temp->fileDataLength = 0; 2008 2009 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2010 2011 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2012 return NULL; 2013 *temp->node->inode = *me->node->inode; 2014 2015 if (cd9660_translate_node_common(temp) == 0) 2016 return NULL; 2017 return temp; 2018} 2019 2020/* 2021 * Create a new directory which does not exist on disk 2022 * @param const char * name The name to assign to the directory 2023 * @param const char * parent Pointer to the parent directory 2024 * @returns cd9660node * Pointer to the new directory 2025 */ 2026static cd9660node * 2027cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me) 2028{ 2029 cd9660node *temp; 2030 2031 temp = cd9660_create_virtual_entry(name,parent,0,1); 2032 if (temp == NULL) 2033 return NULL; 2034 temp->node->type |= S_IFDIR; 2035 2036 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2037 2038 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2039 return NULL; 2040 *temp->node->inode = *me->node->inode; 2041 2042 if (cd9660_translate_node_common(temp) == 0) 2043 return NULL; 2044 return temp; 2045} 2046 2047static cd9660node * 2048cd9660_create_special_directory(u_char type, cd9660node *parent) 2049{ 2050 cd9660node *temp, *first; 2051 char na[2]; 2052 2053 assert(parent != NULL); 2054 2055 if (type == CD9660_TYPE_DOT) 2056 na[0] = 0; 2057 else if (type == CD9660_TYPE_DOTDOT) 2058 na[0] = 1; 2059 else 2060 return 0; 2061 2062 na[1] = 0; 2063 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL) 2064 return NULL; 2065 2066 temp->parent = parent; 2067 temp->type = type; 2068 temp->isoDirRecord->length[0] = 34; 2069 /* Dot record is always first */ 2070 if (type == CD9660_TYPE_DOT) { 2071 parent->dot_record = temp; 2072 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2073 /* DotDot should be second */ 2074 } else if (type == CD9660_TYPE_DOTDOT) { 2075 parent->dot_dot_record = temp; 2076 /* 2077 * If the first child is the dot record, insert 2078 * this second. Otherwise, insert it at the head. 2079 */ 2080 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2081 (first->type & CD9660_TYPE_DOT) == 0) { 2082 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2083 cn_next_child); 2084 } else { 2085 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2086 cn_next_child); 2087 } 2088 } 2089 2090 return temp; 2091} 2092 2093int 2094cd9660_add_generic_bootimage(const char *bootimage) 2095{ 2096 struct stat stbuf; 2097 2098 assert(bootimage != NULL); 2099 2100 if (*bootimage == '\0') { 2101 warnx("Error: Boot image must be a filename"); 2102 return 0; 2103 } 2104 2105 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) { 2106 warn("%s: strdup", __func__); 2107 return 0; 2108 } 2109 2110 /* Get information about the file */ 2111 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1) 2112 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2113 diskStructure.generic_bootimage); 2114 2115 if (stbuf.st_size > 32768) { 2116 warnx("Error: Boot image must be no greater than 32768 bytes"); 2117 return 0; 2118 } 2119 2120 if (diskStructure.verbose_level > 0) { 2121 printf("Generic boot image image has size %lld\n", 2122 (long long)stbuf.st_size); 2123 } 2124 2125 diskStructure.has_generic_bootimage = 1; 2126 2127 return 1; 2128} 2129