cd9660.c revision 293290
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: stable/10/usr.sbin/makefs/cd9660.c 293290 2016-01-07 00:40:51Z bdrewery $"); 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 initialize 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, 2, "ISO Level" }, 300 { "isolevel", &diskStructure.isoLevel, 1, 2, "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 free(var); 432 return (rv); 433} 434 435/* 436 * Main function for cd9660_makefs 437 * Builds the ISO image file 438 * @param const char *image The image filename to create 439 * @param const char *dir The directory that is being read 440 * @param struct fsnode *root The root node of the filesystem tree 441 * @param struct fsinfo_t *fsopts Any options 442 */ 443void 444cd9660_makefs(const char *image, const char *dir, fsnode *root, 445 fsinfo_t *fsopts) 446{ 447 int64_t startoffset; 448 int numDirectories; 449 uint64_t pathTableSectors; 450 int64_t firstAvailableSector; 451 int64_t totalSpace; 452 int error; 453 cd9660node *real_root; 454 455 if (diskStructure.verbose_level > 0) 456 printf("cd9660_makefs: ISO level is %i\n", 457 diskStructure.isoLevel); 458 if (diskStructure.isoLevel < 2 && 459 diskStructure.allow_multidot) 460 errx(1, "allow-multidot requires iso level of 2\n"); 461 462 assert(image != NULL); 463 assert(dir != NULL); 464 assert(root != NULL); 465 466 if (diskStructure.displayHelp) { 467 /* 468 * Display help here - probably want to put it in 469 * a separate function 470 */ 471 return; 472 } 473 474 if (diskStructure.verbose_level > 0) 475 printf("cd9660_makefs: image %s directory %s root %p\n", 476 image, dir, root); 477 478 /* Set up some constants. Later, these will be defined with options */ 479 480 /* Counter needed for path tables */ 481 numDirectories = 0; 482 483 /* Convert tree to our own format */ 484 /* Actually, we now need to add the REAL root node, at level 0 */ 485 486 real_root = cd9660_allocate_cd9660node(); 487 if ((real_root->isoDirRecord = 488 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 489 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 490 exit(1); 491 } 492 493 /* Leave filename blank for root */ 494 memset(real_root->isoDirRecord->name, 0, 495 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 496 497 real_root->level = 0; 498 diskStructure.rootNode = real_root; 499 real_root->type = CD9660_TYPE_DIR; 500 error = 0; 501 real_root->node = root; 502 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error); 503 504 if (TAILQ_EMPTY(&real_root->cn_children)) { 505 errx(1, "cd9660_makefs: converted directory is empty. " 506 "Tree conversion failed\n"); 507 } else if (error != 0) { 508 errx(1, "cd9660_makefs: tree conversion failed\n"); 509 } else { 510 if (diskStructure.verbose_level > 0) 511 printf("cd9660_makefs: tree converted\n"); 512 } 513 514 /* Add the dot and dot dot records */ 515 cd9660_add_dot_records(real_root); 516 517 cd9660_setup_root_node(); 518 519 if (diskStructure.verbose_level > 0) 520 printf("cd9660_makefs: done converting tree\n"); 521 522 /* non-SUSP extensions */ 523 if (diskStructure.archimedes_enabled) 524 archimedes_convert_tree(diskStructure.rootNode); 525 526 /* Rock ridge / SUSP init pass */ 527 if (diskStructure.rock_ridge_enabled) { 528 cd9660_susp_initialize(diskStructure.rootNode, 529 diskStructure.rootNode, NULL); 530 } 531 532 /* Build path table structure */ 533 diskStructure.pathTableLength = cd9660_generate_path_table(); 534 535 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize, 536 diskStructure.pathTableLength); 537 538 firstAvailableSector = cd9660_setup_volume_descriptors(); 539 if (diskStructure.is_bootable) { 540 firstAvailableSector = cd9660_setup_boot(firstAvailableSector); 541 if (firstAvailableSector < 0) 542 errx(1, "setup_boot failed"); 543 } 544 /* LE first, then BE */ 545 diskStructure.primaryLittleEndianTableSector = firstAvailableSector; 546 diskStructure.primaryBigEndianTableSector = 547 diskStructure.primaryLittleEndianTableSector + pathTableSectors; 548 549 /* Set the secondary ones to -1, not going to use them for now */ 550 diskStructure.secondaryBigEndianTableSector = -1; 551 diskStructure.secondaryLittleEndianTableSector = -1; 552 553 diskStructure.dataFirstSector = 554 diskStructure.primaryBigEndianTableSector + pathTableSectors; 555 if (diskStructure.verbose_level > 0) 556 printf("cd9660_makefs: Path table conversion complete. " 557 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 558 diskStructure.pathTableLength, pathTableSectors); 559 560 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector; 561 562 totalSpace = cd9660_compute_offsets(real_root, startoffset); 563 564 diskStructure.totalSectors = diskStructure.dataFirstSector + 565 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace); 566 567 /* Disabled until pass 1 is done */ 568 if (diskStructure.rock_ridge_enabled) { 569 diskStructure.susp_continuation_area_start_sector = 570 diskStructure.totalSectors; 571 diskStructure.totalSectors += 572 CD9660_BLOCKS(diskStructure.sectorSize, 573 diskStructure.susp_continuation_area_size); 574 cd9660_susp_finalize(diskStructure.rootNode); 575 } 576 577 578 cd9660_finalize_PVD(); 579 580 /* Add padding sectors, just for testing purposes right now */ 581 /* diskStructure.totalSectors+=150; */ 582 583 /* Debugging output */ 584 if (diskStructure.verbose_level > 0) { 585 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 586 printf("cd9660_makefs: Primary path tables starts in sector %" 587 PRId64 "\n", diskStructure.primaryLittleEndianTableSector); 588 printf("cd9660_makefs: File data starts in sector %" 589 PRId64 "\n", diskStructure.dataFirstSector); 590 printf("cd9660_makefs: Total sectors: %" 591 PRId64 "\n", diskStructure.totalSectors); 592 } 593 594 /* 595 * Add padding sectors at the end 596 * TODO: Clean this up and separate padding 597 */ 598 if (diskStructure.include_padding_areas) 599 diskStructure.totalSectors += 150; 600 601 cd9660_write_image(image); 602 603 if (diskStructure.verbose_level > 1) { 604 debug_print_volume_descriptor_information(); 605 debug_print_tree(real_root,0); 606 debug_print_path_tree(real_root); 607 } 608 609 /* Clean up data structures */ 610 cd9660_free_structure(real_root); 611 612 if (diskStructure.verbose_level > 0) 613 printf("cd9660_makefs: done\n"); 614} 615 616/* Generic function pointer - implement later */ 617typedef int (*cd9660node_func)(cd9660node *); 618 619static void 620cd9660_finalize_PVD(void) 621{ 622 time_t tim; 623 624 /* root should be a fixed size of 34 bytes since it has no name */ 625 memcpy(diskStructure.primaryDescriptor.root_directory_record, 626 diskStructure.rootNode->dot_record->isoDirRecord, 34); 627 628 /* In RRIP, this might be longer than 34 */ 629 diskStructure.primaryDescriptor.root_directory_record[0] = 34; 630 631 /* Set up all the important numbers in the PVD */ 632 cd9660_bothendian_dword(diskStructure.totalSectors, 633 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size); 634 cd9660_bothendian_word(1, 635 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size); 636 cd9660_bothendian_word(1, 637 (unsigned char *) 638 diskStructure.primaryDescriptor.volume_sequence_number); 639 cd9660_bothendian_word(diskStructure.sectorSize, 640 (unsigned char *) 641 diskStructure.primaryDescriptor.logical_block_size); 642 cd9660_bothendian_dword(diskStructure.pathTableLength, 643 (unsigned char *)diskStructure.primaryDescriptor.path_table_size); 644 645 cd9660_731(diskStructure.primaryLittleEndianTableSector, 646 (u_char *)diskStructure.primaryDescriptor.type_l_path_table); 647 cd9660_732(diskStructure.primaryBigEndianTableSector, 648 (u_char *)diskStructure.primaryDescriptor.type_m_path_table); 649 650 diskStructure.primaryDescriptor.file_structure_version[0] = 1; 651 652 /* Pad all strings with spaces instead of nulls */ 653 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32); 654 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32); 655 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id, 656 128); 657 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id, 658 128); 659 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id, 660 128); 661 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id, 662 128); 663 cd9660_pad_string_spaces( 664 diskStructure.primaryDescriptor.copyright_file_id, 37); 665 cd9660_pad_string_spaces( 666 diskStructure.primaryDescriptor.abstract_file_id, 37); 667 cd9660_pad_string_spaces( 668 diskStructure.primaryDescriptor.bibliographic_file_id, 37); 669 670 /* Setup dates */ 671 time(&tim); 672 cd9660_time_8426( 673 (unsigned char *)diskStructure.primaryDescriptor.creation_date, 674 tim); 675 cd9660_time_8426( 676 (unsigned char *)diskStructure.primaryDescriptor.modification_date, 677 tim); 678 679 /* 680 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now); 681 */ 682 683 memset(diskStructure.primaryDescriptor.expiration_date, '0', 16); 684 diskStructure.primaryDescriptor.expiration_date[16] = 0; 685 cd9660_time_8426( 686 (unsigned char *)diskStructure.primaryDescriptor.effective_date, 687 tim); 688} 689 690static void 691cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 692 u_char ext_attr_length, u_char flags, 693 u_char name_len, const char * name) 694{ 695 record->ext_attr_length[0] = ext_attr_length; 696 record->flags[0] = ISO_FLAG_CLEAR | flags; 697 record->file_unit_size[0] = 0; 698 record->interleave[0] = 0; 699 cd9660_bothendian_word(1, record->volume_sequence_number); 700 record->name_len[0] = name_len; 701 memset(record->name, '\0', sizeof (record->name)); 702 memcpy(record->name, name, name_len); 703 record->length[0] = 33 + name_len; 704 705 /* Todo : better rounding */ 706 record->length[0] += (record->length[0] & 1) ? 1 : 0; 707} 708 709static void 710cd9660_setup_root_node(void) 711{ 712 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord, 713 0, ISO_FLAG_DIRECTORY, 1, "\0"); 714 715} 716 717/*********** SUPPORT FUNCTIONS ***********/ 718static int 719cd9660_setup_volume_descriptors(void) 720{ 721 /* Boot volume descriptor should come second */ 722 int sector = 16; 723 /* For now, a fixed 2 : PVD and terminator */ 724 volume_descriptor *temp, *t; 725 726 /* Set up the PVD */ 727 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 728 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 729 exit(1); 730 } 731 732 temp->volumeDescriptorData = 733 (unsigned char *)&diskStructure.primaryDescriptor; 734 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 735 temp->volumeDescriptorData[6] = 1; 736 temp->sector = sector; 737 memcpy(temp->volumeDescriptorData + 1, 738 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 739 diskStructure.firstVolumeDescriptor = temp; 740 741 sector++; 742 /* Set up boot support if enabled. BVD must reside in sector 17 */ 743 if (diskStructure.is_bootable) { 744 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 745 CD9660_MEM_ALLOC_ERROR( 746 "cd9660_setup_volume_descriptors"); 747 exit(1); 748 } 749 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 750 CD9660_MEM_ALLOC_ERROR( 751 "cd9660_setup_volume_descriptors"); 752 exit(1); 753 } 754 temp->next = t; 755 temp = t; 756 memset(t->volumeDescriptorData, 0, 2048); 757 t->sector = 17; 758 if (diskStructure.verbose_level > 0) 759 printf("Setting up boot volume descriptor\n"); 760 cd9660_setup_boot_volume_descriptor(t); 761 sector++; 762 } 763 764 /* Set up the terminator */ 765 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 766 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 767 exit(1); 768 } 769 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 770 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 771 exit(1); 772 } 773 774 temp->next = t; 775 memset(t->volumeDescriptorData, 0, 2048); 776 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 777 t->next = 0; 778 t->volumeDescriptorData[6] = 1; 779 t->sector = sector; 780 memcpy(t->volumeDescriptorData + 1, 781 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 782 783 sector++; 784 return sector; 785} 786 787#if 0 788/* 789 * Populate EAR at some point. Not required, but is used by NetBSD's 790 * cd9660 support 791 */ 792static int 793cd9660_fill_extended_attribute_record(cd9660node *node) 794{ 795 if ((node->isoExtAttributes = 796 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 797 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 798 exit(1); 799 }; 800 801 return 1; 802} 803#endif 804 805static int 806cd9660_translate_node_common(cd9660node *newnode) 807{ 808 time_t tim; 809 int test; 810 u_char flag; 811 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 812 813 /* Now populate the isoDirRecord structure */ 814 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 815 816 test = cd9660_convert_filename(newnode->node->name, 817 temp, !(S_ISDIR(newnode->node->type))); 818 819 flag = ISO_FLAG_CLEAR; 820 if (S_ISDIR(newnode->node->type)) 821 flag |= ISO_FLAG_DIRECTORY; 822 823 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 824 flag, strlen(temp), temp); 825 826 /* Set the various dates */ 827 828 /* If we want to use the current date and time */ 829 time(&tim); 830 831 cd9660_time_915(newnode->isoDirRecord->date, tim); 832 833 cd9660_bothendian_dword(newnode->fileDataLength, 834 newnode->isoDirRecord->size); 835 /* If the file is a link, we want to set the size to 0 */ 836 if (S_ISLNK(newnode->node->type)) 837 newnode->fileDataLength = 0; 838 839 return 1; 840} 841 842/* 843 * Translate fsnode to cd9660node 844 * Translate filenames and other metadata, including dates, sizes, 845 * permissions, etc 846 * @param struct fsnode * The node generated by makefs 847 * @param struct cd9660node * The intermediate node to be written to 848 * @returns int 0 on failure, 1 on success 849 */ 850static int 851cd9660_translate_node(fsnode *node, cd9660node *newnode) 852{ 853 if (node == NULL) { 854 if (diskStructure.verbose_level > 0) 855 printf("cd9660_translate_node: NULL node passed, " 856 "returning\n"); 857 return 0; 858 } 859 if ((newnode->isoDirRecord = 860 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 861 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 862 return 0; 863 } 864 865 /* Set the node pointer */ 866 newnode->node = node; 867 868 /* Set the size */ 869 if (!(S_ISDIR(node->type))) 870 newnode->fileDataLength = node->inode->st.st_size; 871 872 if (cd9660_translate_node_common(newnode) == 0) 873 return 0; 874 875 /* Finally, overwrite some of the values that are set by default */ 876 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 877 878 return 1; 879} 880 881/* 882 * Compares two ISO filenames 883 * @param const char * The first file name 884 * @param const char * The second file name 885 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 886 * the second is greater than the first 887 */ 888static int 889cd9660_compare_filename(const char *first, const char *second) 890{ 891 /* 892 * This can be made more optimal once it has been tested 893 * (the extra character, for example, is for testing) 894 */ 895 896 int p1 = 0; 897 int p2 = 0; 898 char c1, c2; 899 /* First, on the filename */ 900 901 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 902 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 903 c1 = first[p1]; 904 c2 = second[p2]; 905 if (c1 == '.' && c2 =='.') 906 break; 907 else if (c1 == '.') { 908 p2++; 909 c1 = ' '; 910 } else if (c2 == '.') { 911 p1++; 912 c2 = ' '; 913 } else { 914 p1++; 915 p2++; 916 } 917 918 if (c1 < c2) 919 return -1; 920 else if (c1 > c2) { 921 return 1; 922 } 923 } 924 925 if (first[p1] == '.' && second[p2] == '.') { 926 p1++; 927 p2++; 928 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 929 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 930 c1 = first[p1]; 931 c2 = second[p2]; 932 if (c1 == ';' && c2 == ';') 933 break; 934 else if (c1 == ';') { 935 p2++; 936 c1 = ' '; 937 } else if (c2 == ';') { 938 p1++; 939 c2 = ' '; 940 } else { 941 p1++; 942 p2++; 943 } 944 945 if (c1 < c2) 946 return -1; 947 else if (c1 > c2) 948 return 1; 949 } 950 } 951 return 0; 952} 953 954/* 955 * Insert a node into list with ISO sorting rules 956 * @param cd9660node * The head node of the list 957 * @param cd9660node * The node to be inserted 958 */ 959static void 960cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 961{ 962 int compare; 963 cd9660node *cn; 964 struct cd9660_children_head *head = &parent->cn_children; 965 966 /* TODO: Optimize? */ 967 cn_new->parent = parent; 968 969 /* 970 * first will either be 0, the . or the .. 971 * if . or .., this means no other entry may be written before first 972 * if 0, the new node may be inserted at the head 973 */ 974 975 TAILQ_FOREACH(cn, head, cn_next_child) { 976 /* 977 * Dont insert a node twice - 978 * that would cause an infinite loop 979 */ 980 if (cn_new == cn) 981 return; 982 983 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 984 cn->isoDirRecord->name); 985 986 if (compare == 0) 987 compare = cd9660_compare_filename(cn_new->node->name, 988 cn->node->name); 989 990 if (compare < 0) 991 break; 992 } 993 if (cn == NULL) 994 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 995 else 996 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 997} 998 999/* 1000 * Called After cd9660_sorted_child_insert 1001 * handles file collisions by suffixing each filname with ~n 1002 * where n represents the files respective place in the ordering 1003 */ 1004static int 1005cd9660_handle_collisions(cd9660node *colliding, int past) 1006{ 1007 cd9660node *iter, *next, *prev; 1008 int skip; 1009 int delete_chars = 0; 1010 int temp_past = past; 1011 int temp_skip; 1012 int flag = 0; 1013 cd9660node *end_of_range; 1014 1015 for (iter = TAILQ_FIRST(&colliding->cn_children); 1016 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1017 if (strcmp(iter->isoDirRecord->name, 1018 next->isoDirRecord->name) != 0) { 1019 iter = TAILQ_NEXT(iter, cn_next_child); 1020 continue; 1021 } 1022 flag = 1; 1023 temp_skip = skip = cd9660_count_collisions(iter); 1024 end_of_range = iter; 1025 while (temp_skip > 0) { 1026 temp_skip--; 1027 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1028 } 1029 temp_past = past; 1030 while (temp_past > 0) { 1031 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1032 end_of_range = next; 1033 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1034 iter = prev; 1035 else 1036 delete_chars++; 1037 temp_past--; 1038 } 1039 skip += past; 1040 iter = cd9660_rename_filename(iter, skip, delete_chars); 1041 } 1042 return flag; 1043} 1044 1045 1046static cd9660node * 1047cd9660_rename_filename(cd9660node *iter, int num, int delete_chars) 1048{ 1049 int i = 0; 1050 int numbts, digit, digits, temp, powers, count; 1051 char *naming; 1052 int maxlength; 1053 char *tmp; 1054 1055 if (diskStructure.verbose_level > 0) 1056 printf("Rename_filename called\n"); 1057 1058 assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2); 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 assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2); 1735 /* NEW */ 1736 cd9660_filename_conversion_functor conversion_function = 0; 1737 if (diskStructure.isoLevel == 1) 1738 conversion_function = &cd9660_level1_convert_filename; 1739 else if (diskStructure.isoLevel == 2) 1740 conversion_function = &cd9660_level2_convert_filename; 1741 return (*conversion_function)(oldname, newname, is_file); 1742} 1743 1744int 1745cd9660_compute_record_size(cd9660node *node) 1746{ 1747 int size = node->isoDirRecord->length[0]; 1748 1749 if (diskStructure.rock_ridge_enabled) 1750 size += node->susp_entry_size; 1751 size += node->su_tail_size; 1752 size += size & 1; /* Ensure length of record is even. */ 1753 assert(size <= 254); 1754 return size; 1755} 1756 1757static void 1758cd9660_populate_dot_records(cd9660node *node) 1759{ 1760 node->dot_record->fileDataSector = node->fileDataSector; 1761 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1762 node->dot_record->isoDirRecord->name_len[0] = 1; 1763 node->dot_record->isoDirRecord->name[0] = 0; 1764 node->dot_record->isoDirRecord->name[1] = 0; 1765 node->dot_record->isoDirRecord->length[0] = 34; 1766 node->dot_record->fileRecordSize = 1767 cd9660_compute_record_size(node->dot_record); 1768 1769 if (node == diskStructure.rootNode) { 1770 node->dot_dot_record->fileDataSector = node->fileDataSector; 1771 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1772 34); 1773 } else { 1774 node->dot_dot_record->fileDataSector = 1775 node->parent->fileDataSector; 1776 memcpy(node->dot_dot_record->isoDirRecord, 1777 node->parent->isoDirRecord,34); 1778 } 1779 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1780 node->dot_dot_record->isoDirRecord->name[0] = 1; 1781 node->dot_dot_record->isoDirRecord->name[1] = 0; 1782 node->dot_dot_record->isoDirRecord->length[0] = 34; 1783 node->dot_dot_record->fileRecordSize = 1784 cd9660_compute_record_size(node->dot_dot_record); 1785} 1786 1787/* 1788 * @param struct cd9660node *node The node 1789 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1790 * @returns int The total size of files and directory entries (should be 1791 * a multiple of sector size) 1792*/ 1793static int64_t 1794cd9660_compute_offsets(cd9660node *node, int64_t startOffset) 1795{ 1796 /* 1797 * This function needs to compute the size of directory records and 1798 * runs, file lengths, and set the appropriate variables both in 1799 * cd9660node and isoDirEntry 1800 */ 1801 int64_t used_bytes = 0; 1802 int64_t current_sector_usage = 0; 1803 cd9660node *child; 1804 fsinode *inode; 1805 int64_t r; 1806 1807 assert(node != NULL); 1808 1809 1810 /* 1811 * NOTE : There needs to be some special case detection for 1812 * the "real root" node, since for it, node->node is undefined 1813 */ 1814 1815 node->fileDataSector = -1; 1816 1817 if (node->type & CD9660_TYPE_DIR) { 1818 node->fileRecordSize = cd9660_compute_record_size(node); 1819 /*Set what sector this directory starts in*/ 1820 node->fileDataSector = 1821 CD9660_BLOCKS(diskStructure.sectorSize,startOffset); 1822 1823 cd9660_bothendian_dword(node->fileDataSector, 1824 node->isoDirRecord->extent); 1825 1826 /* 1827 * First loop over children, need to know the size of 1828 * their directory records 1829 */ 1830 node->fileSectorsUsed = 1; 1831 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1832 node->fileDataLength += 1833 cd9660_compute_record_size(child); 1834 if ((cd9660_compute_record_size(child) + 1835 current_sector_usage) >= 1836 diskStructure.sectorSize) { 1837 current_sector_usage = 0; 1838 node->fileSectorsUsed++; 1839 } 1840 1841 current_sector_usage += 1842 cd9660_compute_record_size(child); 1843 } 1844 1845 cd9660_bothendian_dword(node->fileSectorsUsed * 1846 diskStructure.sectorSize,node->isoDirRecord->size); 1847 1848 /* 1849 * This should point to the sector after the directory 1850 * record (or, the first byte in that sector) 1851 */ 1852 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize; 1853 1854 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1855 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1856 /* Directories need recursive call */ 1857 if (S_ISDIR(child->node->type)) { 1858 r = cd9660_compute_offsets(child, 1859 used_bytes + startOffset); 1860 1861 if (r != -1) 1862 used_bytes += r; 1863 else 1864 return -1; 1865 } 1866 } 1867 1868 /* Explicitly set the . and .. records */ 1869 cd9660_populate_dot_records(node); 1870 1871 /* Finally, do another iteration to write the file data*/ 1872 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1873 child != NULL; 1874 child = TAILQ_NEXT(child, cn_next_child)) { 1875 /* Files need extent set */ 1876 if (S_ISDIR(child->node->type)) 1877 continue; 1878 child->fileRecordSize = 1879 cd9660_compute_record_size(child); 1880 1881 child->fileSectorsUsed = 1882 CD9660_BLOCKS(diskStructure.sectorSize, 1883 child->fileDataLength); 1884 1885 inode = child->node->inode; 1886 if ((inode->flags & FI_ALLOCATED) == 0) { 1887 inode->ino = 1888 CD9660_BLOCKS(diskStructure.sectorSize, 1889 used_bytes + startOffset); 1890 inode->flags |= FI_ALLOCATED; 1891 used_bytes += child->fileSectorsUsed * 1892 diskStructure.sectorSize; 1893 } else { 1894 INODE_WARNX(("%s: already allocated inode %d " 1895 "data sectors at %" PRIu32, __func__, 1896 (int)inode->st.st_ino, inode->ino)); 1897 } 1898 child->fileDataSector = inode->ino; 1899 cd9660_bothendian_dword(child->fileDataSector, 1900 child->isoDirRecord->extent); 1901 } 1902 } 1903 1904 return used_bytes; 1905} 1906 1907#if 0 1908/* Might get rid of this func */ 1909static int 1910cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1911{ 1912 to->node->inode->st.st_dev = 0; 1913 to->node->inode->st.st_ino = 0; 1914 to->node->inode->st.st_size = 0; 1915 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1916 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1917 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1918 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1919 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1920 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1921 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1922 /* Clear out type */ 1923 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1924 if (file) 1925 to->node->inode->st.st_mode |= S_IFREG; 1926 else 1927 to->node->inode->st.st_mode |= S_IFDIR; 1928 return 1; 1929} 1930#endif 1931 1932static cd9660node * 1933cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file, 1934 int insert) 1935{ 1936 cd9660node *temp; 1937 fsnode * tfsnode; 1938 1939 assert(parent != NULL); 1940 1941 temp = cd9660_allocate_cd9660node(); 1942 if (temp == NULL) 1943 return NULL; 1944 1945 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1946 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1947 return NULL; 1948 } 1949 1950 /* Assume for now name is a valid length */ 1951 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1952 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1953 return NULL; 1954 } 1955 1956 if ((temp->isoDirRecord = 1957 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1958 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1959 return NULL; 1960 } 1961 1962 strcpy(tfsnode->name, name); 1963 1964 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file); 1965 1966 temp->node = tfsnode; 1967 temp->parent = parent; 1968 1969 if (insert) { 1970 if (temp->parent != NULL) { 1971 temp->level = temp->parent->level + 1; 1972 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1973 cd9660_sorted_child_insert(temp->parent, temp); 1974 else 1975 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1976 temp, cn_next_child); 1977 } 1978 } 1979 1980 if (parent->node != NULL) { 1981 tfsnode->type = parent->node->type; 1982 } 1983 1984 /* Clear out file type bits */ 1985 tfsnode->type &= ~(S_IFMT); 1986 if (file) 1987 tfsnode->type |= S_IFREG; 1988 else 1989 tfsnode->type |= S_IFDIR; 1990 1991 /* Indicate that there is no spec entry (inode) */ 1992 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1993#if 0 1994 cd9660_copy_stat_info(parent, temp, file); 1995#endif 1996 return temp; 1997} 1998 1999static cd9660node * 2000cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me) 2001{ 2002 cd9660node *temp; 2003 2004 temp = cd9660_create_virtual_entry(name,parent,1,1); 2005 if (temp == NULL) 2006 return NULL; 2007 2008 temp->fileDataLength = 0; 2009 2010 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2011 2012 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2013 return NULL; 2014 *temp->node->inode = *me->node->inode; 2015 2016 if (cd9660_translate_node_common(temp) == 0) 2017 return NULL; 2018 return temp; 2019} 2020 2021/* 2022 * Create a new directory which does not exist on disk 2023 * @param const char * name The name to assign to the directory 2024 * @param const char * parent Pointer to the parent directory 2025 * @returns cd9660node * Pointer to the new directory 2026 */ 2027static cd9660node * 2028cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me) 2029{ 2030 cd9660node *temp; 2031 2032 temp = cd9660_create_virtual_entry(name,parent,0,1); 2033 if (temp == NULL) 2034 return NULL; 2035 temp->node->type |= S_IFDIR; 2036 2037 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2038 2039 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2040 return NULL; 2041 *temp->node->inode = *me->node->inode; 2042 2043 if (cd9660_translate_node_common(temp) == 0) 2044 return NULL; 2045 return temp; 2046} 2047 2048static cd9660node * 2049cd9660_create_special_directory(u_char type, cd9660node *parent) 2050{ 2051 cd9660node *temp, *first; 2052 char na[2]; 2053 2054 assert(parent != NULL); 2055 2056 if (type == CD9660_TYPE_DOT) 2057 na[0] = 0; 2058 else if (type == CD9660_TYPE_DOTDOT) 2059 na[0] = 1; 2060 else 2061 return 0; 2062 2063 na[1] = 0; 2064 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL) 2065 return NULL; 2066 2067 temp->parent = parent; 2068 temp->type = type; 2069 temp->isoDirRecord->length[0] = 34; 2070 /* Dot record is always first */ 2071 if (type == CD9660_TYPE_DOT) { 2072 parent->dot_record = temp; 2073 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2074 /* DotDot should be second */ 2075 } else if (type == CD9660_TYPE_DOTDOT) { 2076 parent->dot_dot_record = temp; 2077 /* 2078 * If the first child is the dot record, insert 2079 * this second. Otherwise, insert it at the head. 2080 */ 2081 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2082 (first->type & CD9660_TYPE_DOT) == 0) { 2083 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2084 cn_next_child); 2085 } else { 2086 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2087 cn_next_child); 2088 } 2089 } 2090 2091 return temp; 2092} 2093 2094int 2095cd9660_add_generic_bootimage(const char *bootimage) 2096{ 2097 struct stat stbuf; 2098 2099 assert(bootimage != NULL); 2100 2101 if (*bootimage == '\0') { 2102 warnx("Error: Boot image must be a filename"); 2103 return 0; 2104 } 2105 2106 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) { 2107 warn("%s: strdup", __func__); 2108 return 0; 2109 } 2110 2111 /* Get information about the file */ 2112 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1) 2113 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2114 diskStructure.generic_bootimage); 2115 2116 if (stbuf.st_size > 32768) { 2117 warnx("Error: Boot image must be no greater than 32768 bytes"); 2118 return 0; 2119 } 2120 2121 if (diskStructure.verbose_level > 0) { 2122 printf("Generic boot image image has size %lld\n", 2123 (long long)stbuf.st_size); 2124 } 2125 2126 diskStructure.has_generic_bootimage = 1; 2127 2128 return 1; 2129} 2130