1/* $NetBSD: cd9660.c,v 1.60 2023/12/28 12:13:55 tsutsui Exp $ */ 2 3/* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34/* 35 * Copyright (c) 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Luke Mewburn for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68/* 69 * Copyright (c) 1982, 1986, 1989, 1993 70 * The Regents of the University of California. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 */ 97 98#if HAVE_NBTOOL_CONFIG_H 99#include "nbtool_config.h" 100#else 101#include <sys/mount.h> 102#endif 103 104#include <sys/cdefs.h> 105#if defined(__RCSID) && !defined(__lint) 106__RCSID("$NetBSD: cd9660.c,v 1.60 2023/12/28 12:13:55 tsutsui Exp $"); 107#endif /* !__lint */ 108 109#include <string.h> 110#include <ctype.h> 111#include <sys/param.h> 112#include <sys/queue.h> 113#include <util.h> 114 115#include "makefs.h" 116#include "cd9660.h" 117#include "cd9660/iso9660_rrip.h" 118#include "cd9660/cd9660_archimedes.h" 119 120/* 121 * Global variables 122 */ 123 124static void cd9660_finalize_PVD(iso9660_disk *); 125static cd9660node *cd9660_allocate_cd9660node(void); 126static void cd9660_set_defaults(iso9660_disk *); 127static int cd9660_arguments_set_string(const char *, const char *, size_t, 128 char, char *); 129static void cd9660_populate_iso_dir_record( 130 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 131 const char *); 132static void cd9660_setup_root_node(iso9660_disk *); 133static int cd9660_setup_volume_descriptors(iso9660_disk *); 134#if 0 135static int cd9660_fill_extended_attribute_record(cd9660node *); 136#endif 137static void cd9660_sort_nodes(cd9660node *); 138static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 139static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 140static int cd9660_compare_filename(const char *, const char *); 141static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 142static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 143static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 144 int); 145static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 146static void cd9660_sorting_nodes(cd9660node *); 147static int cd9660_count_collisions(cd9660node *); 148static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 149static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 150 151static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 152 int *, int *); 153static void cd9660_free_structure(cd9660node *); 154static int cd9660_generate_path_table(iso9660_disk *); 155static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 156 int); 157static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 158 int); 159#if 0 160static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 161 int); 162#endif 163static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 164static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 165static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 166#if 0 167static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 168#endif 169static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 170 cd9660node *, int, int); 171static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 172 cd9660node *, cd9660node *); 173static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 174 cd9660node *, cd9660node *); 175static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 176 cd9660node *); 177static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 178 179 180/* 181 * Allocate and initialize a cd9660node 182 * @returns struct cd9660node * Pointer to new node, or NULL on error 183 */ 184static cd9660node * 185cd9660_allocate_cd9660node(void) 186{ 187 cd9660node *temp = ecalloc(1, sizeof(*temp)); 188 TAILQ_INIT(&temp->cn_children); 189 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 190 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 191 temp->node = NULL; 192 temp->isoDirRecord = NULL; 193 temp->isoExtAttributes = NULL; 194 temp->rr_real_parent = temp->rr_relocated = NULL; 195 temp->su_tail_data = NULL; 196 return temp; 197} 198 199int cd9660_defaults_set = 0; 200 201/** 202* Set default values for cd9660 extension to makefs 203*/ 204static void 205cd9660_set_defaults(iso9660_disk *diskStructure) 206{ 207 /*Fix the sector size for now, though the spec allows for other sizes*/ 208 diskStructure->sectorSize = 2048; 209 210 /* Set up defaults in our own structure */ 211 diskStructure->verbose_level = 0; 212 diskStructure->keep_bad_images = 0; 213 diskStructure->follow_sym_links = 0; 214 diskStructure->isoLevel = 2; 215 216 diskStructure->rock_ridge_enabled = 0; 217 diskStructure->rock_ridge_renamed_dir_name = 0; 218 diskStructure->rock_ridge_move_count = 0; 219 diskStructure->rr_moved_dir = 0; 220 221 diskStructure->archimedes_enabled = 0; 222 diskStructure->chrp_boot = 0; 223 224 diskStructure->include_padding_areas = 1; 225 226 /* Spec breaking functionality */ 227 diskStructure->allow_deep_trees = 228 diskStructure->allow_start_dot = 229 diskStructure->allow_max_name = 230 diskStructure->allow_illegal_chars = 231 diskStructure->allow_lowercase = 232 diskStructure->allow_multidot = 233 diskStructure->omit_trailing_period = 0; 234 235 /* Make sure the PVD is clear */ 236 memset(&diskStructure->primaryDescriptor, 0, 2048); 237 238 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 239 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 240 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 241 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 242 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 243 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 244 245 strcpy(diskStructure->primaryDescriptor.system_id,"NetBSD"); 246 247 cd9660_defaults_set = 1; 248 249 /* Boot support: Initially disabled */ 250 diskStructure->has_generic_bootimage = 0; 251 diskStructure->generic_bootimage = NULL; 252 253 diskStructure->boot_image_directory = 0; 254 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 255 256 diskStructure->is_bootable = 0; 257 TAILQ_INIT(&diskStructure->boot_images); 258 LIST_INIT(&diskStructure->boot_entries); 259} 260 261void 262cd9660_prep_opts(fsinfo_t *fsopts) 263{ 264 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 265 266#define OPT_STR(letter, name, desc) \ 267 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 268 269#define OPT_NUM(letter, name, field, min, max, desc) \ 270 { letter, name, &diskStructure->field, \ 271 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 272 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 273 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 274 min, max, desc } 275 276#define OPT_BOOL(letter, name, field, desc) \ 277 OPT_NUM(letter, name, field, 0, 1, desc) 278 279 const option_t cd9660_options[] = { 280 OPT_NUM('l', "isolevel", isoLevel, 281 1, 3, "ISO Level"), 282 OPT_NUM('v', "verbose", verbose_level, 283 0, 2, "Turns on verbose output"), 284 285 OPT_BOOL('h', "help", displayHelp, 286 "Show help message"), 287 OPT_BOOL('S', "follow-symlinks", follow_sym_links, 288 "Resolve symlinks in pathnames"), 289 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 290 "Enable Rock-Ridge extensions"), 291 OPT_BOOL('C', "chrp-boot", chrp_boot, 292 "Enable CHRP boot"), 293 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 294 "Keep bad images"), 295 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 296 "Allow trees more than 8 levels"), 297 OPT_BOOL('a', "allow-max-name", allow_max_name, 298 "Allow 37 char filenames (unimplemented)"), 299 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 300 "Allow illegal characters in filenames"), 301 OPT_BOOL('m', "allow-multidot", allow_multidot, 302 "Allow multiple periods in filenames"), 303 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 304 "Omit trailing periods in filenames"), 305 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 306 "Allow lowercase characters in filenames"), 307 OPT_BOOL('\0', "archimedes", archimedes_enabled, 308 "Enable Archimedes structure"), 309 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 310 "Include padding areas"), 311 312 OPT_STR('A', "applicationid", "Application Identifier"), 313 OPT_STR('P', "publisher", "Publisher Identifier"), 314 OPT_STR('p', "preparer", "Preparer Identifier"), 315 OPT_STR('L', "label", "Disk Label"), 316 OPT_STR('V', "volumeid", "Volume Set Identifier"), 317 OPT_STR('B', "bootimage", "Boot image parameter"), 318 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 319 OPT_STR('\0', "bootimagedir", "Boot image directory"), 320 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 321 OPT_STR('\0', "no-boot", "No boot support"), 322 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 323 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 324 OPT_STR('\0', "platformid", "Section Header Platform ID"), 325 326 { .name = NULL } 327 }; 328 329 fsopts->fs_specific = diskStructure; 330 fsopts->fs_options = copy_opts(cd9660_options); 331 332 cd9660_set_defaults(diskStructure); 333} 334 335void 336cd9660_cleanup_opts(fsinfo_t *fsopts) 337{ 338 free(fsopts->fs_specific); 339 free(fsopts->fs_options); 340} 341 342static int 343cd9660_arguments_set_string(const char *val, const char *fieldtitle, 344 size_t length, char testmode, char * dest) 345{ 346 size_t len; 347 int test; 348 349 if (val == NULL) 350 warnx("error: The %s requires a string argument", fieldtitle); 351 else if ((len = strlen(val)) <= length) { 352 if (testmode == 'd') 353 test = cd9660_valid_d_chars(val); 354 else 355 test = cd9660_valid_a_chars(val); 356 if (test) { 357 memcpy(dest, val, len); 358 if (test == 2) 359 cd9660_uppercase_characters(dest, len); 360 return 1; 361 } else 362 warnx("error: The %s must be composed of " 363 "%c-characters", fieldtitle, testmode); 364 } else 365 warnx("error: The %s must be at most 32 characters long", 366 fieldtitle); 367 return 0; 368} 369 370/* 371 * Command-line parsing function 372 */ 373 374int 375cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 376{ 377 int rv, i; 378 iso9660_disk *diskStructure = fsopts->fs_specific; 379 option_t *cd9660_options = fsopts->fs_options; 380 char buf[1024]; 381 const char *name, *desc; 382 383 assert(option != NULL); 384 385 if (debug & DEBUG_FS_PARSE_OPTS) 386 printf("%s: got `%s'\n", __func__, option); 387 388 i = set_option(cd9660_options, option, buf, sizeof(buf)); 389 if (i == -1) 390 return 0; 391 392 if (cd9660_options[i].name == NULL) 393 abort(); 394 395 396 name = cd9660_options[i].name; 397 desc = cd9660_options[i].desc; 398 switch (cd9660_options[i].letter) { 399 case 'h': 400 case 'S': 401 rv = 0; /* this is not handled yet */ 402 break; 403 case 'L': 404 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 405 diskStructure->primaryDescriptor.volume_id); 406 break; 407 case 'A': 408 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 409 diskStructure->primaryDescriptor.application_id); 410 break; 411 case 'P': 412 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 413 diskStructure->primaryDescriptor.publisher_id); 414 break; 415 case 'p': 416 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 417 diskStructure->primaryDescriptor.preparer_id); 418 break; 419 case 'V': 420 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 421 diskStructure->primaryDescriptor.volume_set_id); 422 break; 423 /* Boot options */ 424 case 'B': 425 if (buf[0] == '\0') { 426 warnx("The Boot Image parameter requires a valid boot" 427 " information string"); 428 rv = 0; 429 } else 430 rv = cd9660_add_boot_disk(diskStructure, buf); 431 break; 432 case 'G': 433 if (buf[0] == '\0') { 434 warnx("The Generic Boot Image parameter requires a" 435 " valid boot information string"); 436 rv = 0; 437 } else 438 rv = cd9660_add_generic_bootimage(diskStructure, buf); 439 break; 440 default: 441 if (strcmp(name, "bootimagedir") == 0) { 442 /* 443 * XXXfvdl this is unused. 444 */ 445 if (buf[0] == '\0') { 446 warnx("The Boot Image Directory parameter" 447 " requires a directory name"); 448 rv = 0; 449 } else { 450 diskStructure->boot_image_directory = 451 emalloc(strlen(buf) + 1); 452 /* BIG TODO: Add the max length function here */ 453 rv = cd9660_arguments_set_string(buf, desc, 12, 454 'd', diskStructure->boot_image_directory); 455 } 456 } else if (strcmp(name, "no-emul-boot") == 0 || 457 strcmp(name, "no-boot") == 0 || 458 strcmp(name, "hard-disk-boot") == 0) { 459 /* RRIP */ 460 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 461 rv = 1; 462 } else if (strcmp(name, "boot-load-segment") == 0 || 463 strcmp(name, "platformid") == 0) { 464 if (buf[0] == '\0') { 465 warnx("Option `%s' doesn't contain a value", 466 name); 467 rv = 0; 468 } else { 469 cd9660_eltorito_add_boot_option(diskStructure, 470 name, buf); 471 rv = 1; 472 } 473 } else 474 rv = 1; 475 } 476 return rv; 477} 478 479/* 480 * Main function for cd9660_makefs 481 * Builds the ISO image file 482 * @param const char *image The image filename to create 483 * @param const char *dir The directory that is being read 484 * @param struct fsnode *root The root node of the filesystem tree 485 * @param struct fsinfo_t *fsopts Any options 486 */ 487void 488cd9660_makefs(const char *image, const char *dir, fsnode *root, 489 fsinfo_t *fsopts) 490{ 491 int64_t startoffset; 492 int numDirectories; 493 uint64_t pathTableSectors; 494 int64_t firstAvailableSector; 495 int64_t totalSpace; 496 int error; 497 cd9660node *real_root; 498 iso9660_disk *diskStructure = fsopts->fs_specific; 499 500 if (diskStructure->verbose_level > 0) 501 printf("%s: ISO level is %i\n", __func__, 502 diskStructure->isoLevel); 503 if (diskStructure->isoLevel < 2 && 504 diskStructure->allow_multidot) 505 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 506 507 assert(image != NULL); 508 assert(dir != NULL); 509 assert(root != NULL); 510 511 if (diskStructure->displayHelp) { 512 /* 513 * Display help here - probably want to put it in 514 * a separate function 515 */ 516 return; 517 } 518 519 if (diskStructure->verbose_level > 0) 520 printf("%s: image %s directory %s root %p\n", __func__, 521 image, dir, root); 522 523 /* Set up some constants. Later, these will be defined with options */ 524 525 /* Counter needed for path tables */ 526 numDirectories = 0; 527 528 /* Convert tree to our own format */ 529 /* Actually, we now need to add the REAL root node, at level 0 */ 530 531 real_root = cd9660_allocate_cd9660node(); 532 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 533 /* Leave filename blank for root */ 534 memset(real_root->isoDirRecord->name, 0, 535 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 536 537 real_root->level = 0; 538 diskStructure->rootNode = real_root; 539 real_root->type = CD9660_TYPE_DIR; 540 error = 0; 541 real_root->node = root; 542 cd9660_convert_structure(diskStructure, root, real_root, 1, 543 &numDirectories, &error); 544 545 if (TAILQ_EMPTY(&real_root->cn_children)) { 546 errx(EXIT_FAILURE, "%s: converted directory is empty. " 547 "Tree conversion failed", __func__); 548 } else if (error != 0) { 549 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 550 } else { 551 if (diskStructure->verbose_level > 0) 552 printf("%s: tree converted\n", __func__); 553 } 554 555 /* Add the dot and dot dot records */ 556 cd9660_add_dot_records(diskStructure, real_root); 557 558 cd9660_setup_root_node(diskStructure); 559 560 if (diskStructure->verbose_level > 0) 561 printf("%s: done converting tree\n", __func__); 562 563 /* non-SUSP extensions */ 564 if (diskStructure->archimedes_enabled) 565 archimedes_convert_tree(diskStructure->rootNode); 566 567 /* Rock ridge / SUSP init pass */ 568 if (diskStructure->rock_ridge_enabled) { 569 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 570 diskStructure->rootNode, NULL); 571 } 572 573 /* Build path table structure */ 574 diskStructure->pathTableLength = cd9660_generate_path_table( 575 diskStructure); 576 577 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 578 diskStructure->pathTableLength); 579 580 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 581 if (diskStructure->is_bootable) { 582 firstAvailableSector = cd9660_setup_boot(diskStructure, 583 firstAvailableSector); 584 if (firstAvailableSector < 0) 585 errx(EXIT_FAILURE, "setup_boot failed"); 586 } 587 /* LE first, then BE */ 588 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 589 diskStructure->primaryBigEndianTableSector = 590 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 591 592 /* Set the secondary ones to -1, not going to use them for now */ 593 diskStructure->secondaryBigEndianTableSector = -1; 594 diskStructure->secondaryLittleEndianTableSector = -1; 595 596 diskStructure->dataFirstSector = 597 diskStructure->primaryBigEndianTableSector + pathTableSectors; 598 if (diskStructure->verbose_level > 0) 599 printf("%s: Path table conversion complete. " 600 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 601 __func__, 602 diskStructure->pathTableLength, pathTableSectors); 603 604 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 605 606 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 607 608 diskStructure->totalSectors = diskStructure->dataFirstSector + 609 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 610 611 /* Disabled until pass 1 is done */ 612 if (diskStructure->rock_ridge_enabled) { 613 diskStructure->susp_continuation_area_start_sector = 614 diskStructure->totalSectors; 615 diskStructure->totalSectors += 616 CD9660_BLOCKS(diskStructure->sectorSize, 617 diskStructure->susp_continuation_area_size); 618 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 619 } 620 621 622 cd9660_finalize_PVD(diskStructure); 623 624 /* Add padding sectors, just for testing purposes right now */ 625 /* diskStructure->totalSectors+=150; */ 626 627 /* Debugging output */ 628 if (diskStructure->verbose_level > 0) { 629 printf("%s: Sectors 0-15 reserved\n", __func__); 630 printf("%s: Primary path tables starts in sector %" 631 PRId64 "\n", __func__, 632 diskStructure->primaryLittleEndianTableSector); 633 printf("%s: File data starts in sector %" 634 PRId64 "\n", __func__, diskStructure->dataFirstSector); 635 printf("%s: Total sectors: %" 636 PRId64 "\n", __func__, diskStructure->totalSectors); 637 } 638 639 /* 640 * Add padding sectors at the end 641 * TODO: Clean this up and separate padding 642 */ 643 if (diskStructure->include_padding_areas) 644 diskStructure->totalSectors += 150; 645 646 cd9660_write_image(diskStructure, image); 647 648 if (diskStructure->verbose_level > 1) { 649 debug_print_volume_descriptor_information(diskStructure); 650 debug_print_tree(diskStructure, real_root, 0); 651 debug_print_path_tree(real_root); 652 } 653 654 /* Clean up data structures */ 655 cd9660_free_structure(real_root); 656 657 if (diskStructure->verbose_level > 0) 658 printf("%s: done\n", __func__); 659} 660 661/* Generic function pointer - implement later */ 662typedef int (*cd9660node_func)(cd9660node *); 663 664static void 665cd9660_finalize_PVD(iso9660_disk *diskStructure) 666{ 667 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 668 669 /* root should be a fixed size of 34 bytes since it has no name */ 670 memcpy(diskStructure->primaryDescriptor.root_directory_record, 671 diskStructure->rootNode->dot_record->isoDirRecord, 34); 672 673 /* In RRIP, this might be longer than 34 */ 674 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 675 676 /* Set up all the important numbers in the PVD */ 677 cd9660_bothendian_dword(diskStructure->totalSectors, 678 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 679 cd9660_bothendian_word(1, 680 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 681 cd9660_bothendian_word(1, 682 (unsigned char *) 683 diskStructure->primaryDescriptor.volume_sequence_number); 684 cd9660_bothendian_word(diskStructure->sectorSize, 685 (unsigned char *) 686 diskStructure->primaryDescriptor.logical_block_size); 687 cd9660_bothendian_dword(diskStructure->pathTableLength, 688 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 689 690 cd9660_731(diskStructure->primaryLittleEndianTableSector, 691 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 692 cd9660_732(diskStructure->primaryBigEndianTableSector, 693 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 694 695 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 696 697 /* Pad all strings with spaces instead of nulls */ 698 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 699 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 700 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 701 128); 702 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 703 128); 704 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 705 128); 706 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 707 128); 708 cd9660_pad_string_spaces( 709 diskStructure->primaryDescriptor.copyright_file_id, 37); 710 cd9660_pad_string_spaces( 711 diskStructure->primaryDescriptor.abstract_file_id, 37); 712 cd9660_pad_string_spaces( 713 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 714 715 /* Setup dates */ 716 cd9660_time_8426( 717 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 718 tstamp); 719 cd9660_time_8426( 720 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 721 tstamp); 722 723#if 0 724 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 725 tstamp); 726#endif 727 memset(diskStructure->primaryDescriptor.expiration_date, '0' ,16); 728 diskStructure->primaryDescriptor.expiration_date[16] = 0; 729 730 cd9660_time_8426( 731 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 732 tstamp); 733} 734 735static void 736cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 737 u_char ext_attr_length, u_char flags, 738 u_char name_len, const char * name) 739{ 740 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 741 742 record->ext_attr_length[0] = ext_attr_length; 743 cd9660_time_915(record->date, tstamp); 744 record->flags[0] = ISO_FLAG_CLEAR | flags; 745 record->file_unit_size[0] = 0; 746 record->interleave[0] = 0; 747 cd9660_bothendian_word(1, record->volume_sequence_number); 748 record->name_len[0] = name_len; 749 memset(record->name, '\0', sizeof (record->name)); 750 memcpy(record->name, name, name_len); 751 record->length[0] = 33 + name_len; 752 753 /* Todo : better rounding */ 754 record->length[0] += (record->length[0] & 1) ? 1 : 0; 755} 756 757static void 758cd9660_setup_root_node(iso9660_disk *diskStructure) 759{ 760 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 761 0, ISO_FLAG_DIRECTORY, 1, "\0"); 762 763} 764 765/*********** SUPPORT FUNCTIONS ***********/ 766static int 767cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 768{ 769 /* Boot volume descriptor should come second */ 770 int sector = 16; 771 /* For now, a fixed 2 : PVD and terminator */ 772 volume_descriptor *temp, *t; 773 774 /* Set up the PVD */ 775 temp = emalloc(sizeof(*temp)); 776 temp->volumeDescriptorData = 777 (unsigned char *)&diskStructure->primaryDescriptor; 778 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 779 temp->volumeDescriptorData[6] = 1; 780 temp->sector = sector; 781 memcpy(temp->volumeDescriptorData + 1, 782 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 783 diskStructure->firstVolumeDescriptor = temp; 784 785 sector++; 786 /* Set up boot support if enabled. BVD must reside in sector 17 */ 787 if (diskStructure->is_bootable) { 788 t = emalloc(sizeof(*t)); 789 t->volumeDescriptorData = ecalloc(1, 2048); 790 temp->next = t; 791 temp = t; 792 t->sector = 17; 793 if (diskStructure->verbose_level > 0) 794 printf("Setting up boot volume descriptor\n"); 795 cd9660_setup_boot_volume_descriptor(diskStructure, t); 796 sector++; 797 } 798 799 /* Set up the terminator */ 800 t = emalloc(sizeof(*t)); 801 t->volumeDescriptorData = ecalloc(1, 2048); 802 temp->next = t; 803 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 804 t->next = 0; 805 t->volumeDescriptorData[6] = 1; 806 t->sector = sector; 807 memcpy(t->volumeDescriptorData + 1, 808 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 809 810 sector++; 811 return sector; 812} 813 814#if 0 815/* 816 * Populate EAR at some point. Not required, but is used by NetBSD's 817 * cd9660 support 818 */ 819static int 820cd9660_fill_extended_attribute_record(cd9660node *node) 821{ 822 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 823 return 1; 824} 825#endif 826 827static int 828cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 829{ 830 u_char flag; 831 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 832 833 /* Now populate the isoDirRecord structure */ 834 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 835 836 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 837 temp, !(S_ISDIR(newnode->node->type))); 838 839 flag = ISO_FLAG_CLEAR; 840 if (S_ISDIR(newnode->node->type)) 841 flag |= ISO_FLAG_DIRECTORY; 842 843 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 844 flag, strlen(temp), temp); 845 846 cd9660_bothendian_dword(newnode->fileDataLength, 847 newnode->isoDirRecord->size); 848 /* If the file is a link, we want to set the size to 0 */ 849 if (S_ISLNK(newnode->node->type)) 850 newnode->fileDataLength = 0; 851 852 return 1; 853} 854 855/* 856 * Translate fsnode to cd9660node 857 * Translate filenames and other metadata, including dates, sizes, 858 * permissions, etc 859 * @param struct fsnode * The node generated by makefs 860 * @param struct cd9660node * The intermediate node to be written to 861 * @returns int 0 on failure, 1 on success 862 */ 863static int 864cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 865 cd9660node *newnode) 866{ 867 if (node == NULL) { 868 if (diskStructure->verbose_level > 0) 869 printf("%s: NULL node passed, returning\n", __func__); 870 return 0; 871 } 872 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 873 /* Set the node pointer */ 874 newnode->node = node; 875 876 /* Set the size */ 877 if (!(S_ISDIR(node->type))) 878 newnode->fileDataLength = node->inode->st.st_size; 879 880 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 881 return 0; 882 883 /* Finally, overwrite some of the values that are set by default */ 884 cd9660_time_915(newnode->isoDirRecord->date, 885 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 886 887 return 1; 888} 889 890/* 891 * Compares two ISO filenames 892 * @param const char * The first file name 893 * @param const char * The second file name 894 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 895 * the second is greater than the first 896 */ 897static int 898cd9660_compare_filename(const char *first, const char *second) 899{ 900 /* 901 * This can be made more optimal once it has been tested 902 * (the extra character, for example, is for testing) 903 */ 904 905 int p1 = 0; 906 int p2 = 0; 907 char c1, c2; 908 /* First, on the filename */ 909 910 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 911 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 912 c1 = first[p1]; 913 c2 = second[p2]; 914 if (c1 == '.' && c2 =='.') 915 break; 916 else if (c1 == '.') { 917 p2++; 918 c1 = ' '; 919 } else if (c2 == '.') { 920 p1++; 921 c2 = ' '; 922 } else { 923 p1++; 924 p2++; 925 } 926 927 if (c1 < c2) 928 return -1; 929 else if (c1 > c2) { 930 return 1; 931 } 932 } 933 934 if (first[p1] == '.' && second[p2] == '.') { 935 p1++; 936 p2++; 937 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 938 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 939 c1 = first[p1]; 940 c2 = second[p2]; 941 if (c1 == ';' && c2 == ';') 942 break; 943 else if (c1 == ';') { 944 p2++; 945 c1 = ' '; 946 } else if (c2 == ';') { 947 p1++; 948 c2 = ' '; 949 } else { 950 p1++; 951 p2++; 952 } 953 954 if (c1 < c2) 955 return -1; 956 else if (c1 > c2) 957 return 1; 958 } 959 } 960 return 0; 961} 962 963/* 964 * Insert a node into list with ISO sorting rules 965 * @param cd9660node * The head node of the list 966 * @param cd9660node * The node to be inserted 967 */ 968static void 969cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 970{ 971 int compare; 972 cd9660node *cn; 973 struct cd9660_children_head *head = &parent->cn_children; 974 975 /* TODO: Optimize? */ 976 cn_new->parent = parent; 977 978 /* 979 * first will either be 0, the . or the .. 980 * if . or .., this means no other entry may be written before first 981 * if 0, the new node may be inserted at the head 982 */ 983 984 TAILQ_FOREACH(cn, head, cn_next_child) { 985 /* 986 * Dont insert a node twice - 987 * that would cause an infinite loop 988 */ 989 if (cn_new == cn) 990 return; 991 992 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 993 cn->isoDirRecord->name); 994 995 if (compare == 0) 996 compare = cd9660_compare_filename(cn_new->node->name, 997 cn->node->name); 998 999 if (compare < 0) 1000 break; 1001 } 1002 if (cn == NULL) 1003 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1004 else 1005 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1006} 1007 1008/* 1009 * Called After cd9660_sorted_child_insert 1010 * handles file collisions by suffixing each filename with ~n 1011 * where n represents the files respective place in the ordering 1012 */ 1013static int 1014cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1015 int past) 1016{ 1017 cd9660node *iter, *next, *prev; 1018 int skip; 1019 int delete_chars = 0; 1020 int temp_past = past; 1021 int temp_skip; 1022 int flag = 0; 1023 cd9660node *end_of_range; 1024 1025 for (iter = TAILQ_FIRST(&colliding->cn_children); 1026 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1027 if (strcmp(iter->isoDirRecord->name, 1028 next->isoDirRecord->name) != 0) { 1029 iter = TAILQ_NEXT(iter, cn_next_child); 1030 continue; 1031 } 1032 flag = 1; 1033 temp_skip = skip = cd9660_count_collisions(iter); 1034 end_of_range = iter; 1035 while (temp_skip > 0) { 1036 temp_skip--; 1037 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1038 } 1039 temp_past = past; 1040 while (temp_past > 0) { 1041 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1042 end_of_range = next; 1043 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1044 iter = prev; 1045 else 1046 delete_chars++; 1047 temp_past--; 1048 } 1049 skip += past; 1050 iter = cd9660_rename_filename(diskStructure, iter, skip, 1051 delete_chars); 1052 } 1053 return flag; 1054} 1055 1056 1057static cd9660node * 1058cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1059 int delete_chars) 1060{ 1061 int i = 0; 1062 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1063 char *naming; 1064 int maxlength; 1065 char *tmp; 1066 1067 if (diskStructure->verbose_level > 0) 1068 printf("Rename_filename called\n"); 1069 1070 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1071 if (diskStructure->isoLevel == 1) 1072 maxlength = 8; 1073 else if (diskStructure->isoLevel == 2) 1074 maxlength = 31; 1075 else 1076 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1077 1078 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1079 1080 while (i < num && iter) { 1081 powers = 1; 1082 count = 0; 1083 digits = 1; 1084 multiplier = 1; 1085 while (((int)(i / powers) ) >= 10) { 1086 digits++; 1087 powers = powers * 10; 1088 } 1089 1090 naming = iter->o_name; 1091 1092 /* 1093 while ((*naming != '.') && (*naming != ';')) { 1094 naming++; 1095 count++; 1096 } 1097 */ 1098 1099 dot = -1; 1100 semi = -1; 1101 while (count < maxlength) { 1102 if (*naming == '.') 1103 dot = count; 1104 else if (*naming == ';') { 1105 semi = count; 1106 break; 1107 } 1108 naming++; 1109 count++; 1110 } 1111 1112 if ((count + digits) < maxlength) 1113 numbts = count; 1114 else 1115 numbts = maxlength - (digits); 1116 numbts -= delete_chars; 1117 1118 /* 8.3 rules - keep the extension, add before the dot */ 1119 1120 /* 1121 * This code makes a bunch of assumptions. 1122 * See if you can spot them all :) 1123 */ 1124 1125#if 0 1126 if (diskStructure->isoLevel == 1) { 1127 numbts = 8 - digits - delete_chars; 1128 if (dot < 0) { 1129 1130 } else { 1131 if (dot < 8) { 1132 memmove(&tmp[numbts],&tmp[dot],4); 1133 } 1134 } 1135 } 1136#else 1137 __USE(dot); 1138 __USE(semi); 1139 __USE(multiplier); 1140#endif 1141 1142 /* (copying just the filename before the '.' */ 1143 memcpy(tmp, (iter->o_name), numbts); 1144 1145 /* adding the appropriate number following the name */ 1146 temp = i; 1147 while (digits > 0) { 1148 digit = (int)(temp / powers); 1149 temp = temp - digit * powers; 1150 sprintf(&tmp[numbts] , "%d", digit); 1151 digits--; 1152 numbts++; 1153 powers = powers / 10; 1154 } 1155 1156 while ((*naming != ';') && (numbts < maxlength)) { 1157 tmp[numbts] = (*naming); 1158 naming++; 1159 numbts++; 1160 } 1161 1162 tmp[numbts] = ';'; 1163 tmp[numbts+1] = '1'; 1164 tmp[numbts+2] = '\0'; 1165 1166 /* 1167 * now tmp has exactly the identifier 1168 * we want so we'll copy it back to record 1169 */ 1170 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1171 1172 iter = TAILQ_NEXT(iter, cn_next_child); 1173 i++; 1174 } 1175 1176 free(tmp); 1177 return iter; 1178} 1179 1180/* Todo: Figure out why these functions are nec. */ 1181static void 1182cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1183{ 1184 cd9660node *cn; 1185 1186 if (TAILQ_EMPTY(&node->cn_children)) 1187 return; 1188 1189 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1190 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1191 exit(EXIT_FAILURE); 1192 } 1193 1194 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1195 cd9660_copy_filenames(diskStructure, cn); 1196 memcpy(cn->o_name, cn->isoDirRecord->name, 1197 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1198 } 1199} 1200 1201static void 1202cd9660_sorting_nodes(cd9660node *node) 1203{ 1204 cd9660node *cn; 1205 1206 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1207 cd9660_sorting_nodes(cn); 1208 cd9660_sort_nodes(node); 1209} 1210 1211/* XXX Bubble sort. */ 1212static void 1213cd9660_sort_nodes(cd9660node *node) 1214{ 1215 cd9660node *cn, *next; 1216 1217 do { 1218 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1219 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1220 return; 1221 else if (strcmp(next->isoDirRecord->name, 1222 cn->isoDirRecord->name) >= 0) 1223 continue; 1224 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1225 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1226 break; 1227 } 1228 } while (cn != NULL); 1229} 1230 1231static int 1232cd9660_count_collisions(cd9660node *copy) 1233{ 1234 int count = 0; 1235 cd9660node *iter, *next; 1236 1237 for (iter = copy; 1238 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1239 iter = next) { 1240 if (cd9660_compare_filename(iter->isoDirRecord->name, 1241 next->isoDirRecord->name) == 0) 1242 count++; 1243 else 1244 return count; 1245 } 1246#if 0 1247 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1248 printf("%s: count is %i \n", __func__, count); 1249 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1250 next->isoDirRecord->name); 1251 if (compare == 0) { 1252 count++; 1253 return cd9660_recurse_on_collision(next, count); 1254 } else 1255 return count; 1256 } 1257#endif 1258 return count; 1259} 1260 1261static cd9660node * 1262cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1263{ 1264 char newname[9]; 1265 cd9660node *tfile; 1266 1267 /* 1268 * This function needs to: 1269 * 1) Create an empty virtual file in place of the old directory 1270 * 2) Point the virtual file to the new directory 1271 * 3) Point the relocated directory to its old parent 1272 * 4) Move the directory specified by dir into rr_moved_dir, 1273 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1274 */ 1275 1276 /* First see if the moved directory even exists */ 1277 if (diskStructure->rr_moved_dir == NULL) { 1278 diskStructure->rr_moved_dir = cd9660_create_directory( 1279 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1280 diskStructure->rootNode, dir); 1281 if (diskStructure->rr_moved_dir == NULL) 1282 return 0; 1283 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1284 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1285 } 1286 1287 /* Create a file with the same ORIGINAL name */ 1288 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1289 dir); 1290 if (tfile == NULL) 1291 return NULL; 1292 1293 diskStructure->rock_ridge_move_count++; 1294 snprintf(newname, sizeof(newname), "%08u", 1295 diskStructure->rock_ridge_move_count); 1296 1297 /* Point to old parent */ 1298 dir->rr_real_parent = dir->parent; 1299 1300 /* Place the placeholder file */ 1301 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1302 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1303 cn_next_child); 1304 } else { 1305 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1306 } 1307 1308 /* Point to new parent */ 1309 dir->parent = diskStructure->rr_moved_dir; 1310 1311 /* Point the file to the moved directory */ 1312 tfile->rr_relocated = dir; 1313 1314 /* Actually move the directory */ 1315 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1316 1317 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1318 1319 /* Set the new name */ 1320 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1321 strncpy(dir->isoDirRecord->name, newname, 8); 1322 dir->isoDirRecord->length[0] = 34 + 8; 1323 dir->isoDirRecord->name_len[0] = 8; 1324 1325 return dir; 1326} 1327 1328static int 1329cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1330{ 1331 struct cd9660_children_head *head = &root->cn_children; 1332 cd9660node *cn; 1333 1334 TAILQ_FOREACH(cn, head, cn_next_child) { 1335 if ((cn->type & CD9660_TYPE_DIR) == 0) 1336 continue; 1337 /* Recursion first */ 1338 cd9660_add_dot_records(diskStructure, cn); 1339 } 1340 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1341 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1342 root); 1343 return 1; 1344} 1345 1346/* 1347 * Convert node to cd9660 structure 1348 * This function is designed to be called recursively on the root node of 1349 * the filesystem 1350 * Lots of recursion going on here, want to make sure it is efficient 1351 * @param struct fsnode * The root node to be converted 1352 * @param struct cd9660* The parent node (should not be NULL) 1353 * @param int Current directory depth 1354 * @param int* Running count of the number of directories that are being created 1355 */ 1356static void 1357cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1358 cd9660node *parent_node, int level, int *numDirectories, int *error) 1359{ 1360 fsnode *iterator = root; 1361 cd9660node *this_node; 1362 int working_level; 1363 int add; 1364 int flag = 0; 1365 int counter = 0; 1366 1367 /* 1368 * Newer, more efficient method, reduces recursion depth 1369 */ 1370 if (root == NULL) { 1371 warnx("%s: root is null", __func__); 1372 return; 1373 } 1374 1375 /* Test for an empty directory - makefs still gives us the . record */ 1376 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1377 && (root->name[1] == '\0')) { 1378 root = root->next; 1379 if (root == NULL) 1380 return; 1381 } 1382 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1383 CD9660_MEM_ALLOC_ERROR(__func__); 1384 } 1385 1386 /* 1387 * To reduce the number of recursive calls, we will iterate over 1388 * the next pointers to the right. 1389 */ 1390 while (iterator != NULL) { 1391 add = 1; 1392 /* 1393 * Increment the directory count if this is a directory 1394 * Ignore "." entries. We will generate them later 1395 */ 1396 if (!S_ISDIR(iterator->type) || 1397 strcmp(iterator->name, ".") != 0) { 1398 1399 /* Translate the node, including its filename */ 1400 this_node->parent = parent_node; 1401 cd9660_translate_node(diskStructure, iterator, 1402 this_node); 1403 this_node->level = level; 1404 1405 if (S_ISDIR(iterator->type)) { 1406 (*numDirectories)++; 1407 this_node->type = CD9660_TYPE_DIR; 1408 working_level = level + 1; 1409 1410 /* 1411 * If at level 8, directory would be at 8 1412 * and have children at 9 which is not 1413 * allowed as per ISO spec 1414 */ 1415 if (level == 8) { 1416 if ((!diskStructure->allow_deep_trees) && 1417 (!diskStructure->rock_ridge_enabled)) { 1418 warnx("error: found entry " 1419 "with depth greater " 1420 "than 8."); 1421 (*error) = 1; 1422 return; 1423 } else if (diskStructure-> 1424 rock_ridge_enabled) { 1425 working_level = 3; 1426 /* 1427 * Moved directory is actually 1428 * at level 2. 1429 */ 1430 this_node->level = 1431 working_level - 1; 1432 if (cd9660_rrip_move_directory( 1433 diskStructure, 1434 this_node) == 0) { 1435 warnx("Failure in " 1436 "cd9660_rrip_" 1437 "move_directory" 1438 ); 1439 (*error) = 1; 1440 return; 1441 } 1442 add = 0; 1443 } 1444 } 1445 1446 /* Do the recursive call on the children */ 1447 if (iterator->child != 0) { 1448 cd9660_convert_structure(diskStructure, 1449 iterator->child, this_node, 1450 working_level, 1451 numDirectories, error); 1452 1453 if ((*error) == 1) { 1454 warnx("%s: Error on recursive " 1455 "call", __func__); 1456 return; 1457 } 1458 } 1459 1460 } else { 1461 /* Only directories should have children */ 1462 assert(iterator->child == NULL); 1463 1464 this_node->type = CD9660_TYPE_FILE; 1465 } 1466 1467 /* 1468 * Finally, do a sorted insert 1469 */ 1470 if (add) { 1471 cd9660_sorted_child_insert( 1472 parent_node, this_node); 1473 } 1474 1475 /*Allocate new temp_node */ 1476 if (iterator->next != 0) { 1477 this_node = cd9660_allocate_cd9660node(); 1478 if (this_node == NULL) 1479 CD9660_MEM_ALLOC_ERROR(__func__); 1480 } 1481 } 1482 iterator = iterator->next; 1483 } 1484 1485 /* cd9660_handle_collisions(first_node); */ 1486 1487 /* TODO: need cleanup */ 1488 cd9660_copy_filenames(diskStructure, parent_node); 1489 1490 do { 1491 flag = cd9660_handle_collisions(diskStructure, parent_node, 1492 counter); 1493 counter++; 1494 cd9660_sorting_nodes(parent_node); 1495 } while ((flag == 1) && (counter < 100)); 1496} 1497 1498/* 1499 * Clean up the cd9660node tree 1500 * This is designed to be called recursively on the root node 1501 * @param struct cd9660node *root The node to free 1502 * @returns void 1503 */ 1504static void 1505cd9660_free_structure(cd9660node *root) 1506{ 1507 cd9660node *cn; 1508 1509 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1510 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1511 cd9660_free_structure(cn); 1512 } 1513 free(root); 1514} 1515 1516/* 1517 * Be a little more memory conservative: 1518 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1519 * just create a temporary structure 1520 */ 1521struct ptq_entry 1522{ 1523 TAILQ_ENTRY(ptq_entry) ptq; 1524 cd9660node *node; 1525} *n; 1526 1527#define PTQUEUE_NEW(n,s,r,t){\ 1528 n = emalloc(sizeof(struct s)); \ 1529 if (n == NULL) \ 1530 return r; \ 1531 n->node = t;\ 1532} 1533 1534/* 1535 * Generate the path tables 1536 * The specific implementation of this function is left as an exercise to the 1537 * programmer. It could be done recursively. Make sure you read how the path 1538 * table has to be laid out, it has levels. 1539 * @param struct iso9660_disk *disk The disk image 1540 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1541 */ 1542static int 1543cd9660_generate_path_table(iso9660_disk *diskStructure) 1544{ 1545 cd9660node *cn, *dirNode = diskStructure->rootNode; 1546 cd9660node *last = dirNode; 1547 int pathTableSize = 0; /* computed as we go */ 1548 int counter = 1; /* root gets a count of 0 */ 1549 1550 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1551 TAILQ_INIT(&pt_head); 1552 1553 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1554 1555 /* Push the root node */ 1556 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1557 1558 /* Breadth-first traversal of file structure */ 1559 while (pt_head.tqh_first != 0) { 1560 n = pt_head.tqh_first; 1561 dirNode = n->node; 1562 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1563 free(n); 1564 1565 /* Update the size */ 1566 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1567 + dirNode->isoDirRecord->name_len[0]+ 1568 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1569 /* includes the padding bit */ 1570 1571 dirNode->ptnumber=counter; 1572 if (dirNode != last) { 1573 last->ptnext = dirNode; 1574 dirNode->ptprev = last; 1575 } 1576 last = dirNode; 1577 1578 /* Push children onto queue */ 1579 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1580 /* 1581 * Dont add the DOT and DOTDOT types to the path 1582 * table. 1583 */ 1584 if ((cn->type != CD9660_TYPE_DOT) 1585 && (cn->type != CD9660_TYPE_DOTDOT)) { 1586 1587 if (S_ISDIR(cn->node->type)) { 1588 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1589 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1590 } 1591 } 1592 } 1593 counter++; 1594 } 1595 return pathTableSize; 1596} 1597 1598void 1599cd9660_compute_full_filename(cd9660node *node, char *buf) 1600{ 1601 int len; 1602 1603 len = CD9660MAXPATH + 1; 1604 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1605 node->node->path, node->node->name); 1606 if (len > CD9660MAXPATH) 1607 errx(EXIT_FAILURE, "Pathname too long."); 1608} 1609 1610/* NEW filename conversion method */ 1611typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1612 char *, int); 1613 1614 1615/* 1616 * TODO: These two functions are almost identical. 1617 * Some code cleanup is possible here 1618 * 1619 * XXX bounds checking! 1620 */ 1621static int 1622cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1623 char *newname, int is_file) 1624{ 1625 /* 1626 * ISO 9660 : 10.1 1627 * File Name shall not contain more than 8 d or d1 characters 1628 * File Name Extension shall not contain more than 3 d or d1 characters 1629 * Directory Identifier shall not contain more than 8 d or d1 characters 1630 */ 1631 int namelen = 0; 1632 int extlen = 0; 1633 int found_ext = 0; 1634 1635 while (*oldname != '\0' && extlen < 3) { 1636 /* Handle period first, as it is special */ 1637 if (*oldname == '.') { 1638 if (found_ext) { 1639 *newname++ = '_'; 1640 extlen ++; 1641 } 1642 else { 1643 *newname++ = '.'; 1644 found_ext = 1; 1645 } 1646 } else { 1647 /* cut RISC OS file type off ISO name */ 1648 if (diskStructure->archimedes_enabled && 1649 *oldname == ',' && strlen(oldname) == 4) 1650 break; 1651 1652 /* Enforce 12.3 / 8 */ 1653 if (namelen == 8 && !found_ext) 1654 break; 1655 1656 if (islower((unsigned char)*oldname)) 1657 *newname++ = toupper((unsigned char)*oldname); 1658 else if (isupper((unsigned char)*oldname) 1659 || isdigit((unsigned char)*oldname)) 1660 *newname++ = *oldname; 1661 else 1662 *newname++ = '_'; 1663 1664 if (found_ext) 1665 extlen++; 1666 else 1667 namelen++; 1668 } 1669 oldname++; 1670 } 1671 if (is_file) { 1672 if (!found_ext && !diskStructure->omit_trailing_period) 1673 *newname++ = '.'; 1674 /* Add version */ 1675 sprintf(newname, ";%i", 1); 1676 } 1677 return namelen + extlen + found_ext; 1678} 1679 1680/* XXX bounds checking! */ 1681static int 1682cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1683 char *newname, int is_file) 1684{ 1685 /* 1686 * ISO 9660 : 7.5.1 1687 * File name : 0+ d or d1 characters 1688 * separator 1 (.) 1689 * File name extension : 0+ d or d1 characters 1690 * separator 2 (;) 1691 * File version number (5 characters, 1-32767) 1692 * 1 <= Sum of File name and File name extension <= 30 1693 */ 1694 int namelen = 0; 1695 int extlen = 0; 1696 int found_ext = 0; 1697 1698 while (*oldname != '\0' && namelen + extlen < 30) { 1699 /* Handle period first, as it is special */ 1700 if (*oldname == '.') { 1701 if (found_ext) { 1702 if (diskStructure->allow_multidot) { 1703 *newname++ = '.'; 1704 } else { 1705 *newname++ = '_'; 1706 } 1707 extlen ++; 1708 } 1709 else { 1710 *newname++ = '.'; 1711 found_ext = 1; 1712 } 1713 } else { 1714 /* cut RISC OS file type off ISO name */ 1715 if (diskStructure->archimedes_enabled && 1716 *oldname == ',' && strlen(oldname) == 4) 1717 break; 1718 1719 if (islower((unsigned char)*oldname)) 1720 *newname++ = toupper((unsigned char)*oldname); 1721 else if (isupper((unsigned char)*oldname) || 1722 isdigit((unsigned char)*oldname)) 1723 *newname++ = *oldname; 1724 else if (diskStructure->allow_multidot && 1725 *oldname == '.') { 1726 *newname++ = '.'; 1727 } else { 1728 *newname++ = '_'; 1729 } 1730 1731 if (found_ext) 1732 extlen++; 1733 else 1734 namelen++; 1735 } 1736 oldname ++; 1737 } 1738 if (is_file) { 1739 if (!found_ext && !diskStructure->omit_trailing_period) 1740 *newname++ = '.'; 1741 /* Add version */ 1742 sprintf(newname, ";%i", 1); 1743 } 1744 return namelen + extlen + found_ext; 1745} 1746 1747#if 0 1748static int 1749cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1750 char *newname, int is_file) 1751{ 1752 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1753} 1754#endif 1755 1756 1757/* 1758 * Convert a file name to ISO compliant file name 1759 * @param char * oldname The original filename 1760 * @param char ** newname The new file name, in the appropriate character 1761 * set and of appropriate length 1762 * @param int 1 if file, 0 if directory 1763 * @returns int The length of the new string 1764 */ 1765static int 1766cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1767 char *newname, int is_file) 1768{ 1769 /* NEW */ 1770 cd9660_filename_conversion_functor conversion_function = 0; 1771 if (diskStructure->isoLevel == 1) 1772 conversion_function = &cd9660_level1_convert_filename; 1773 else if (diskStructure->isoLevel == 2) 1774 conversion_function = &cd9660_level2_convert_filename; 1775 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1776} 1777 1778int 1779cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1780{ 1781 int size = node->isoDirRecord->length[0]; 1782 1783 if (diskStructure->rock_ridge_enabled) 1784 size += node->susp_entry_size; 1785 size += node->su_tail_size; 1786 size += size & 1; /* Ensure length of record is even. */ 1787 assert(size <= 254); 1788 return size; 1789} 1790 1791static void 1792cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1793{ 1794 node->dot_record->fileDataSector = node->fileDataSector; 1795 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1796 node->dot_record->isoDirRecord->name_len[0] = 1; 1797 node->dot_record->isoDirRecord->name[0] = 0; 1798 node->dot_record->isoDirRecord->name[1] = 0; 1799 node->dot_record->isoDirRecord->length[0] = 34; 1800 node->dot_record->fileRecordSize = 1801 cd9660_compute_record_size(diskStructure, node->dot_record); 1802 1803 if (node == diskStructure->rootNode) { 1804 node->dot_dot_record->fileDataSector = node->fileDataSector; 1805 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1806 34); 1807 } else { 1808 node->dot_dot_record->fileDataSector = 1809 node->parent->fileDataSector; 1810 memcpy(node->dot_dot_record->isoDirRecord, 1811 node->parent->isoDirRecord,34); 1812 } 1813 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1814 node->dot_dot_record->isoDirRecord->name[0] = 1; 1815 node->dot_dot_record->isoDirRecord->name[1] = 0; 1816 node->dot_dot_record->isoDirRecord->length[0] = 34; 1817 node->dot_dot_record->fileRecordSize = 1818 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1819} 1820 1821/* 1822 * @param struct cd9660node *node The node 1823 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1824 * @returns int The total size of files and directory entries (should be 1825 * a multiple of sector size) 1826*/ 1827static int64_t 1828cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1829 int64_t startOffset) 1830{ 1831 /* 1832 * This function needs to compute the size of directory records and 1833 * runs, file lengths, and set the appropriate variables both in 1834 * cd9660node and isoDirEntry 1835 */ 1836 int64_t used_bytes = 0; 1837 int64_t current_sector_usage = 0; 1838 cd9660node *child; 1839 fsinode *inode; 1840 int64_t r; 1841 1842 assert(node != NULL); 1843 1844 1845 /* 1846 * NOTE : There needs to be some special case detection for 1847 * the "real root" node, since for it, node->node is undefined 1848 */ 1849 1850 node->fileDataSector = -1; 1851 1852 if (node->type & CD9660_TYPE_DIR) { 1853 node->fileRecordSize = cd9660_compute_record_size( 1854 diskStructure, node); 1855 /*Set what sector this directory starts in*/ 1856 node->fileDataSector = 1857 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1858 1859 cd9660_bothendian_dword(node->fileDataSector, 1860 node->isoDirRecord->extent); 1861 1862 /* 1863 * First loop over children, need to know the size of 1864 * their directory records 1865 */ 1866 node->fileSectorsUsed = 1; 1867 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1868 node->fileDataLength += 1869 cd9660_compute_record_size(diskStructure, child); 1870 if ((cd9660_compute_record_size(diskStructure, child) + 1871 current_sector_usage) >= 1872 diskStructure->sectorSize) { 1873 current_sector_usage = 0; 1874 node->fileSectorsUsed++; 1875 } 1876 1877 current_sector_usage += 1878 cd9660_compute_record_size(diskStructure, child); 1879 } 1880 1881 cd9660_bothendian_dword(node->fileSectorsUsed * 1882 diskStructure->sectorSize,node->isoDirRecord->size); 1883 1884 /* 1885 * This should point to the sector after the directory 1886 * record (or, the first byte in that sector) 1887 */ 1888 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1889 1890 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1891 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1892 /* Directories need recursive call */ 1893 if (S_ISDIR(child->node->type)) { 1894 r = cd9660_compute_offsets(diskStructure, child, 1895 used_bytes + startOffset); 1896 1897 if (r != -1) 1898 used_bytes += r; 1899 else 1900 return -1; 1901 } 1902 } 1903 1904 /* Explicitly set the . and .. records */ 1905 cd9660_populate_dot_records(diskStructure, node); 1906 1907 /* Finally, do another iteration to write the file data*/ 1908 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1909 child != NULL; 1910 child = TAILQ_NEXT(child, cn_next_child)) { 1911 /* Files need extent set */ 1912 if (S_ISDIR(child->node->type)) 1913 continue; 1914 child->fileRecordSize = 1915 cd9660_compute_record_size(diskStructure, child); 1916 1917 child->fileSectorsUsed = 1918 CD9660_BLOCKS(diskStructure->sectorSize, 1919 child->fileDataLength); 1920 1921 inode = child->node->inode; 1922 if ((inode->flags & FI_ALLOCATED) == 0) { 1923 inode->ino = 1924 CD9660_BLOCKS(diskStructure->sectorSize, 1925 used_bytes + startOffset); 1926 inode->flags |= FI_ALLOCATED; 1927 used_bytes += child->fileSectorsUsed * 1928 diskStructure->sectorSize; 1929 } else { 1930 INODE_WARNX(("%s: already allocated inode %d " 1931 "data sectors at %" PRIu32, __func__, 1932 (int)inode->st.st_ino, inode->ino)); 1933 } 1934 child->fileDataSector = inode->ino; 1935 cd9660_bothendian_dword(child->fileDataSector, 1936 child->isoDirRecord->extent); 1937 } 1938 } 1939 1940 return used_bytes; 1941} 1942 1943#if 0 1944/* Might get rid of this func */ 1945static int 1946cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1947{ 1948 to->node->inode->st.st_dev = 0; 1949 to->node->inode->st.st_ino = 0; 1950 to->node->inode->st.st_size = 0; 1951 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1952 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1953 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1954 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1955 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1956 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1957 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1958 /* Clear out type */ 1959 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1960 if (file) 1961 to->node->inode->st.st_mode |= S_IFREG; 1962 else 1963 to->node->inode->st.st_mode |= S_IFDIR; 1964 return 1; 1965} 1966#endif 1967 1968static cd9660node * 1969cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1970 cd9660node *parent, int file, int insert) 1971{ 1972 cd9660node *temp; 1973 fsnode * tfsnode; 1974 1975 assert(parent != NULL); 1976 1977 temp = cd9660_allocate_cd9660node(); 1978 if (temp == NULL) 1979 return NULL; 1980 1981 tfsnode = emalloc(sizeof(*tfsnode)); 1982 tfsnode->name = estrdup(name); 1983 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1984 1985 cd9660_convert_filename(diskStructure, tfsnode->name, 1986 temp->isoDirRecord->name, file); 1987 1988 temp->node = tfsnode; 1989 temp->parent = parent; 1990 1991 if (insert) { 1992 if (temp->parent != NULL) { 1993 temp->level = temp->parent->level + 1; 1994 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1995 cd9660_sorted_child_insert(temp->parent, temp); 1996 else 1997 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1998 temp, cn_next_child); 1999 } 2000 } 2001 2002 if (parent->node != NULL) { 2003 tfsnode->type = parent->node->type; 2004 } 2005 2006 /* Clear out file type bits */ 2007 tfsnode->type &= ~(S_IFMT); 2008 if (file) 2009 tfsnode->type |= S_IFREG; 2010 else 2011 tfsnode->type |= S_IFDIR; 2012 2013 /* Indicate that there is no spec entry (inode) */ 2014 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2015#if 0 2016 cd9660_copy_stat_info(parent, temp, file); 2017#endif 2018 return temp; 2019} 2020 2021static cd9660node * 2022cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2023 cd9660node *parent, cd9660node *me) 2024{ 2025 cd9660node *temp; 2026 2027 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2028 if (temp == NULL) 2029 return NULL; 2030 2031 temp->fileDataLength = 0; 2032 2033 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2034 2035 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2036 *temp->node->inode = *me->node->inode; 2037 2038 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2039 return NULL; 2040 return temp; 2041} 2042 2043/* 2044 * Create a new directory which does not exist on disk 2045 * @param const char * name The name to assign to the directory 2046 * @param const char * parent Pointer to the parent directory 2047 * @returns cd9660node * Pointer to the new directory 2048 */ 2049static cd9660node * 2050cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2051 cd9660node *parent, cd9660node *me) 2052{ 2053 cd9660node *temp; 2054 2055 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2056 if (temp == NULL) 2057 return NULL; 2058 temp->node->type |= S_IFDIR; 2059 2060 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2061 2062 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2063 *temp->node->inode = *me->node->inode; 2064 2065 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2066 return NULL; 2067 return temp; 2068} 2069 2070static cd9660node * 2071cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2072 cd9660node *parent) 2073{ 2074 cd9660node *temp, *first; 2075 char na[2]; 2076 2077 assert(parent != NULL); 2078 2079 if (type == CD9660_TYPE_DOT) 2080 na[0] = 0; 2081 else if (type == CD9660_TYPE_DOTDOT) 2082 na[0] = 1; 2083 else 2084 return 0; 2085 2086 na[1] = 0; 2087 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2088 0, 0)) == NULL) 2089 return NULL; 2090 2091 temp->parent = parent; 2092 temp->type = type; 2093 temp->isoDirRecord->length[0] = 34; 2094 /* Dot record is always first */ 2095 if (type == CD9660_TYPE_DOT) { 2096 parent->dot_record = temp; 2097 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2098 /* DotDot should be second */ 2099 } else if (type == CD9660_TYPE_DOTDOT) { 2100 parent->dot_dot_record = temp; 2101 /* 2102 * If the first child is the dot record, insert 2103 * this second. Otherwise, insert it at the head. 2104 */ 2105 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2106 (first->type & CD9660_TYPE_DOT) == 0) { 2107 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2108 cn_next_child); 2109 } else { 2110 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2111 cn_next_child); 2112 } 2113 } 2114 2115 return temp; 2116} 2117 2118static int 2119cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2120{ 2121 struct stat stbuf; 2122 2123 assert(bootimage != NULL); 2124 2125 if (*bootimage == '\0') { 2126 warnx("Error: Boot image must be a filename"); 2127 return 0; 2128 } 2129 2130 diskStructure->generic_bootimage = estrdup(bootimage); 2131 2132 /* Get information about the file */ 2133 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2134 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2135 diskStructure->generic_bootimage); 2136 2137 if (stbuf.st_size > 32768) { 2138 warnx("Error: Boot image must be no greater than 32768 bytes"); 2139 return 0; 2140 } 2141 2142 if (diskStructure->verbose_level > 0) { 2143 printf("Generic boot image image has size %lld\n", 2144 (long long)stbuf.st_size); 2145 } 2146 2147 diskStructure->has_generic_bootimage = 1; 2148 2149 return 1; 2150} 2151