1/* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $ */ 2 3/*- 4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-4-Clause 5 * 6 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 7 * Perez-Rathke and Ram Vedam. All rights reserved. 8 * 9 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 10 * Alan Perez-Rathke and Ram Vedam. 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer in the documentation and/or other materials provided 20 * with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 23 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 27 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 30 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 34 * OF SUCH DAMAGE. 35 */ 36/* 37 * Copyright (c) 2001 Wasabi Systems, Inc. 38 * All rights reserved. 39 * 40 * Written by Luke Mewburn for Wasabi Systems, Inc. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed for the NetBSD Project by 53 * Wasabi Systems, Inc. 54 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 55 * or promote products derived from this software without specific prior 56 * written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 68 * POSSIBILITY OF SUCH DAMAGE. 69 */ 70/* 71 * Copyright (c) 1982, 1986, 1989, 1993 72 * The Regents of the University of California. All rights reserved. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. Neither the name of the University nor the names of its contributors 83 * may be used to endorse or promote products derived from this software 84 * without specific prior written permission. 85 * 86 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 87 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 89 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 90 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 91 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 92 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 93 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 94 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 95 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 96 * SUCH DAMAGE. 97 * 98 */ 99 100#include <sys/cdefs.h> 101__FBSDID("$FreeBSD$"); 102 103#include <sys/param.h> 104#include <sys/queue.h> 105#include <ctype.h> 106#include <stdlib.h> 107#include <string.h> 108#include <util.h> 109 110#include "makefs.h" 111#include "cd9660.h" 112#include "cd9660/iso9660_rrip.h" 113#include "cd9660/cd9660_archimedes.h" 114 115static void cd9660_finalize_PVD(iso9660_disk *); 116static cd9660node *cd9660_allocate_cd9660node(void); 117static void cd9660_set_defaults(iso9660_disk *); 118static int cd9660_arguments_set_string(const char *, const char *, int, 119 char, char *); 120static void cd9660_populate_iso_dir_record( 121 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 122 const char *); 123static void cd9660_setup_root_node(iso9660_disk *); 124static int cd9660_setup_volume_descriptors(iso9660_disk *); 125#if 0 126static int cd9660_fill_extended_attribute_record(cd9660node *); 127#endif 128static void cd9660_sort_nodes(cd9660node *); 129static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 130static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 131static int cd9660_compare_filename(const char *, const char *); 132static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 133static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 134static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 135 int); 136static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 137static void cd9660_sorting_nodes(cd9660node *); 138static int cd9660_count_collisions(cd9660node *); 139static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 140static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 141 142static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 143 int *, int *); 144static void cd9660_free_structure(cd9660node *); 145static int cd9660_generate_path_table(iso9660_disk *); 146static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 147 int); 148static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 149 int); 150#if 0 151static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 152 int); 153#endif 154static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 155static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 156static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 157#if 0 158static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 159#endif 160static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 161 cd9660node *, int, int); 162static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 163 cd9660node *, cd9660node *); 164static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 165 cd9660node *, cd9660node *); 166static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 167 cd9660node *); 168static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 169 170 171/* 172 * Allocate and initialize a cd9660node 173 * @returns struct cd9660node * Pointer to new node, or NULL on error 174 */ 175static cd9660node * 176cd9660_allocate_cd9660node(void) 177{ 178 cd9660node *temp = ecalloc(1, sizeof(*temp)); 179 180 TAILQ_INIT(&temp->cn_children); 181 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 182 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 183 temp->node = NULL; 184 temp->isoDirRecord = NULL; 185 temp->isoExtAttributes = NULL; 186 temp->rr_real_parent = temp->rr_relocated = NULL; 187 temp->su_tail_data = NULL; 188 return temp; 189} 190 191/** 192* Set default values for cd9660 extension to makefs 193*/ 194static void 195cd9660_set_defaults(iso9660_disk *diskStructure) 196{ 197 /*Fix the sector size for now, though the spec allows for other sizes*/ 198 diskStructure->sectorSize = 2048; 199 200 /* Set up defaults in our own structure */ 201 diskStructure->verbose_level = 0; 202 diskStructure->keep_bad_images = 0; 203 diskStructure->follow_sym_links = 0; 204 diskStructure->isoLevel = 2; 205 206 diskStructure->rock_ridge_enabled = 0; 207 diskStructure->rock_ridge_renamed_dir_name = 0; 208 diskStructure->rock_ridge_move_count = 0; 209 diskStructure->rr_moved_dir = 0; 210 211 diskStructure->archimedes_enabled = 0; 212 diskStructure->chrp_boot = 0; 213 214 diskStructure->include_padding_areas = 1; 215 216 /* Spec breaking functionality */ 217 diskStructure->allow_deep_trees = 218 diskStructure->allow_start_dot = 219 diskStructure->allow_max_name = 220 diskStructure->allow_illegal_chars = 221 diskStructure->allow_lowercase = 222 diskStructure->allow_multidot = 223 diskStructure->omit_trailing_period = 0; 224 225 /* Make sure the PVD is clear */ 226 memset(&diskStructure->primaryDescriptor, 0, 2048); 227 228 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 229 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 230 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 231 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 232 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 233 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 234 235 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD"); 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) 251{ 252 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 253 254#define OPT_STR(letter, name, desc) \ 255 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 256 257#define OPT_NUM(letter, name, field, min, max, desc) \ 258 { letter, name, &diskStructure->field, \ 259 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 260 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 261 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 262 min, max, desc } 263 264#define OPT_BOOL(letter, name, field, desc) \ 265 OPT_NUM(letter, name, field, 0, 1, desc) 266 267 const option_t cd9660_options[] = { 268 OPT_NUM('l', "isolevel", isoLevel, 269 1, 2, "ISO Level"), 270 OPT_NUM('v', "verbose", verbose_level, 271 0, 2, "Turns on verbose output"), 272 273 OPT_BOOL('h', "help", displayHelp, 274 "Show help message"), 275 OPT_BOOL('S', "follow-symlinks", follow_sym_links, 276 "Resolve symlinks in pathnames"), 277 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 278 "Enable Rock-Ridge extensions"), 279 OPT_BOOL('C', "chrp-boot", chrp_boot, 280 "Enable CHRP boot"), 281 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 282 "Keep bad images"), 283 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 284 "Allow trees more than 8 levels"), 285 OPT_BOOL('a', "allow-max-name", allow_max_name, 286 "Allow 37 char filenames (unimplemented)"), 287 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 288 "Allow illegal characters in filenames"), 289 OPT_BOOL('m', "allow-multidot", allow_multidot, 290 "Allow multiple periods in filenames"), 291 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 292 "Omit trailing periods in filenames"), 293 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 294 "Allow lowercase characters in filenames"), 295 OPT_BOOL('\0', "archimedes", archimedes_enabled, 296 "Enable Archimedes structure"), 297 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 298 "Include padding areas"), 299 300 OPT_STR('A', "applicationid", "Application Identifier"), 301 OPT_STR('P', "publisher", "Publisher Identifier"), 302 OPT_STR('p', "preparer", "Preparer Identifier"), 303 OPT_STR('L', "label", "Disk Label"), 304 OPT_STR('V', "volumeid", "Volume Set Identifier"), 305 OPT_STR('B', "bootimage", "Boot image parameter"), 306 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 307 OPT_STR('\0', "bootimagedir", "Boot image directory"), 308 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 309 OPT_STR('\0', "no-boot", "No boot support"), 310 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 311 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 312 OPT_STR('\0', "platformid", "Section Header Platform ID"), 313 314 { .name = NULL } 315 }; 316 317 fsopts->fs_specific = diskStructure; 318 fsopts->fs_options = copy_opts(cd9660_options); 319 320 cd9660_set_defaults(diskStructure); 321} 322 323void 324cd9660_cleanup_opts(fsinfo_t *fsopts) 325{ 326 free(fsopts->fs_specific); 327 free(fsopts->fs_options); 328} 329 330static int 331cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 332 char testmode, char * dest) 333{ 334 int len, test; 335 336 if (val == NULL) 337 warnx("error: The %s requires a string argument", fieldtitle); 338 else if ((len = strlen(val)) <= length) { 339 if (testmode == 'd') 340 test = cd9660_valid_d_chars(val); 341 else 342 test = cd9660_valid_a_chars(val); 343 if (test) { 344 memcpy(dest, val, len); 345 if (test == 2) 346 cd9660_uppercase_characters(dest, len); 347 return 1; 348 } else 349 warnx("error: The %s must be composed of " 350 "%c-characters", fieldtitle, testmode); 351 } else 352 warnx("error: The %s must be at most 32 characters long", 353 fieldtitle); 354 return 0; 355} 356 357/* 358 * Command-line parsing function 359 */ 360 361int 362cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 363{ 364 int rv, i; 365 iso9660_disk *diskStructure = fsopts->fs_specific; 366 option_t *cd9660_options = fsopts->fs_options; 367 char buf[1024]; 368 const char *name, *desc; 369 370 assert(option != NULL); 371 372 if (debug & DEBUG_FS_PARSE_OPTS) 373 printf("%s: got `%s'\n", __func__, option); 374 375 i = set_option(cd9660_options, option, buf, sizeof(buf)); 376 if (i == -1) 377 return 0; 378 379 if (cd9660_options[i].name == NULL) 380 abort(); 381 382 name = cd9660_options[i].name; 383 desc = cd9660_options[i].desc; 384 switch (cd9660_options[i].letter) { 385 case 'h': 386 case 'S': 387 rv = 0; /* this is not handled yet */ 388 break; 389 case 'L': 390 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 391 diskStructure->primaryDescriptor.volume_id); 392 break; 393 case 'A': 394 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 395 diskStructure->primaryDescriptor.application_id); 396 break; 397 case 'P': 398 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 399 diskStructure->primaryDescriptor.publisher_id); 400 break; 401 case 'p': 402 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 403 diskStructure->primaryDescriptor.preparer_id); 404 break; 405 case 'V': 406 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 407 diskStructure->primaryDescriptor.volume_set_id); 408 break; 409 /* Boot options */ 410 case 'B': 411 if (buf[0] == '\0') { 412 warnx("The Boot Image parameter requires a valid boot" 413 "information string"); 414 rv = 0; 415 } else 416 rv = cd9660_add_boot_disk(diskStructure, buf); 417 break; 418 case 'G': 419 if (buf[0] == '\0') { 420 warnx("The Generic Boot Image parameter requires a" 421 " valid boot information string"); 422 rv = 0; 423 } else 424 rv = cd9660_add_generic_bootimage(diskStructure, buf); 425 break; 426 default: 427 if (strcmp(name, "bootimagedir") == 0) { 428 /* 429 * XXXfvdl this is unused. 430 */ 431 if (buf[0] == '\0') { 432 warnx("The Boot Image Directory parameter" 433 " requires a directory name"); 434 rv = 0; 435 } else { 436 diskStructure->boot_image_directory = 437 emalloc(strlen(buf) + 1); 438 /* BIG TODO: Add the max length function here */ 439 rv = cd9660_arguments_set_string(buf, desc, 12, 440 'd', diskStructure->boot_image_directory); 441 } 442 } else if (strcmp(name, "no-emul-boot") == 0 || 443 strcmp(name, "no-boot") == 0 || 444 strcmp(name, "hard-disk-boot") == 0) { 445 /* RRIP */ 446 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 447 rv = 1; 448 } else if (strcmp(name, "boot-load-segment") == 0 || 449 strcmp(name, "platformid") == 0) { 450 if (buf[0] == '\0') { 451 warnx("Option `%s' doesn't contain a value", 452 name); 453 rv = 0; 454 } else { 455 cd9660_eltorito_add_boot_option(diskStructure, 456 name, buf); 457 rv = 1; 458 } 459 } else 460 rv = 1; 461 } 462 return rv; 463} 464 465/* 466 * Main function for cd9660_makefs 467 * Builds the ISO image file 468 * @param const char *image The image filename to create 469 * @param const char *dir The directory that is being read 470 * @param struct fsnode *root The root node of the filesystem tree 471 * @param struct fsinfo_t *fsopts Any options 472 */ 473void 474cd9660_makefs(const char *image, const char *dir, fsnode *root, 475 fsinfo_t *fsopts) 476{ 477 int64_t startoffset; 478 int numDirectories; 479 uint64_t pathTableSectors; 480 int64_t firstAvailableSector; 481 int64_t totalSpace; 482 int error; 483 cd9660node *real_root; 484 iso9660_disk *diskStructure = fsopts->fs_specific; 485 486 if (diskStructure->verbose_level > 0) 487 printf("%s: ISO level is %i\n", __func__, 488 diskStructure->isoLevel); 489 if (diskStructure->isoLevel < 2 && 490 diskStructure->allow_multidot) 491 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 492 493 assert(image != NULL); 494 assert(dir != NULL); 495 assert(root != NULL); 496 497 if (diskStructure->displayHelp) { 498 /* 499 * Display help here - probably want to put it in 500 * a separate function 501 */ 502 return; 503 } 504 505 if (diskStructure->verbose_level > 0) 506 printf("%s: image %s directory %s root %p\n", __func__, 507 image, dir, root); 508 509 /* Set up some constants. Later, these will be defined with options */ 510 511 /* Counter needed for path tables */ 512 numDirectories = 0; 513 514 /* Convert tree to our own format */ 515 /* Actually, we now need to add the REAL root node, at level 0 */ 516 517 real_root = cd9660_allocate_cd9660node(); 518 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 519 /* Leave filename blank for root */ 520 memset(real_root->isoDirRecord->name, 0, 521 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 522 523 real_root->level = 0; 524 diskStructure->rootNode = real_root; 525 real_root->type = CD9660_TYPE_DIR; 526 error = 0; 527 real_root->node = root; 528 cd9660_convert_structure(diskStructure, root, real_root, 1, 529 &numDirectories, &error); 530 531 if (TAILQ_EMPTY(&real_root->cn_children)) { 532 errx(EXIT_FAILURE, "%s: converted directory is empty. " 533 "Tree conversion failed", __func__); 534 } else if (error != 0) { 535 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 536 } else { 537 if (diskStructure->verbose_level > 0) 538 printf("%s: tree converted\n", __func__); 539 } 540 541 /* Add the dot and dot dot records */ 542 cd9660_add_dot_records(diskStructure, real_root); 543 544 cd9660_setup_root_node(diskStructure); 545 546 if (diskStructure->verbose_level > 0) 547 printf("%s: done converting tree\n", __func__); 548 549 /* non-SUSP extensions */ 550 if (diskStructure->archimedes_enabled) 551 archimedes_convert_tree(diskStructure->rootNode); 552 553 /* Rock ridge / SUSP init pass */ 554 if (diskStructure->rock_ridge_enabled) { 555 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 556 diskStructure->rootNode, NULL); 557 } 558 559 /* Build path table structure */ 560 diskStructure->pathTableLength = cd9660_generate_path_table( 561 diskStructure); 562 563 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 564 diskStructure->pathTableLength); 565 566 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 567 if (diskStructure->is_bootable) { 568 firstAvailableSector = cd9660_setup_boot(diskStructure, 569 firstAvailableSector); 570 if (firstAvailableSector < 0) 571 errx(EXIT_FAILURE, "setup_boot failed"); 572 } 573 /* LE first, then BE */ 574 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 575 diskStructure->primaryBigEndianTableSector = 576 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 577 578 /* Set the secondary ones to -1, not going to use them for now */ 579 diskStructure->secondaryBigEndianTableSector = -1; 580 diskStructure->secondaryLittleEndianTableSector = -1; 581 582 diskStructure->dataFirstSector = 583 diskStructure->primaryBigEndianTableSector + pathTableSectors; 584 if (diskStructure->verbose_level > 0) 585 printf("%s: Path table conversion complete. " 586 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 587 __func__, 588 diskStructure->pathTableLength, pathTableSectors); 589 590 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 591 592 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 593 594 diskStructure->totalSectors = diskStructure->dataFirstSector + 595 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 596 597 /* Disabled until pass 1 is done */ 598 if (diskStructure->rock_ridge_enabled) { 599 diskStructure->susp_continuation_area_start_sector = 600 diskStructure->totalSectors; 601 diskStructure->totalSectors += 602 CD9660_BLOCKS(diskStructure->sectorSize, 603 diskStructure->susp_continuation_area_size); 604 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 605 } 606 607 608 cd9660_finalize_PVD(diskStructure); 609 610 /* Add padding sectors, just for testing purposes right now */ 611 /* diskStructure->totalSectors+=150; */ 612 613 /* Debugging output */ 614 if (diskStructure->verbose_level > 0) { 615 printf("%s: Sectors 0-15 reserved\n", __func__); 616 printf("%s: Primary path tables starts in sector %" 617 PRId64 "\n", __func__, 618 diskStructure->primaryLittleEndianTableSector); 619 printf("%s: File data starts in sector %" 620 PRId64 "\n", __func__, diskStructure->dataFirstSector); 621 printf("%s: Total sectors: %" 622 PRId64 "\n", __func__, diskStructure->totalSectors); 623 } 624 625 /* 626 * Add padding sectors at the end 627 * TODO: Clean this up and separate padding 628 */ 629 if (diskStructure->include_padding_areas) 630 diskStructure->totalSectors += 150; 631 632 cd9660_write_image(diskStructure, image); 633 634 if (diskStructure->verbose_level > 1) { 635 debug_print_volume_descriptor_information(diskStructure); 636 debug_print_tree(diskStructure, real_root, 0); 637 debug_print_path_tree(real_root); 638 } 639 640 /* Clean up data structures */ 641 cd9660_free_structure(real_root); 642 643 if (diskStructure->verbose_level > 0) 644 printf("%s: done\n", __func__); 645} 646 647/* Generic function pointer - implement later */ 648typedef int (*cd9660node_func)(cd9660node *); 649 650static void 651cd9660_finalize_PVD(iso9660_disk *diskStructure) 652{ 653 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 654 655 /* root should be a fixed size of 34 bytes since it has no name */ 656 memcpy(diskStructure->primaryDescriptor.root_directory_record, 657 diskStructure->rootNode->dot_record->isoDirRecord, 34); 658 659 /* In RRIP, this might be longer than 34 */ 660 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 661 662 /* Set up all the important numbers in the PVD */ 663 cd9660_bothendian_dword(diskStructure->totalSectors, 664 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 665 cd9660_bothendian_word(1, 666 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 667 cd9660_bothendian_word(1, 668 (unsigned char *) 669 diskStructure->primaryDescriptor.volume_sequence_number); 670 cd9660_bothendian_word(diskStructure->sectorSize, 671 (unsigned char *) 672 diskStructure->primaryDescriptor.logical_block_size); 673 cd9660_bothendian_dword(diskStructure->pathTableLength, 674 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 675 676 cd9660_731(diskStructure->primaryLittleEndianTableSector, 677 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 678 cd9660_732(diskStructure->primaryBigEndianTableSector, 679 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 680 681 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 682 683 /* Pad all strings with spaces instead of nulls */ 684 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 685 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 686 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 687 128); 688 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 689 128); 690 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 691 128); 692 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 693 128); 694 cd9660_pad_string_spaces( 695 diskStructure->primaryDescriptor.copyright_file_id, 37); 696 cd9660_pad_string_spaces( 697 diskStructure->primaryDescriptor.abstract_file_id, 37); 698 cd9660_pad_string_spaces( 699 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 700 701 /* Setup dates */ 702 cd9660_time_8426( 703 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 704 tstamp); 705 cd9660_time_8426( 706 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 707 tstamp); 708 709#if 0 710 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 711 tstamp); 712#endif 713 714 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16); 715 diskStructure->primaryDescriptor.expiration_date[16] = 0; 716 717 cd9660_time_8426( 718 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 719 tstamp); 720 /* make this sane */ 721 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date, 722 tstamp); 723} 724 725static void 726cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 727 u_char ext_attr_length, u_char flags, 728 u_char name_len, const char * name) 729{ 730 record->ext_attr_length[0] = ext_attr_length; 731 record->flags[0] = ISO_FLAG_CLEAR | flags; 732 record->file_unit_size[0] = 0; 733 record->interleave[0] = 0; 734 cd9660_bothendian_word(1, record->volume_sequence_number); 735 record->name_len[0] = name_len; 736 memset(record->name, '\0', sizeof (record->name)); 737 memcpy(record->name, name, name_len); 738 record->length[0] = 33 + name_len; 739 740 /* Todo : better rounding */ 741 record->length[0] += (record->length[0] & 1) ? 1 : 0; 742} 743 744static void 745cd9660_setup_root_node(iso9660_disk *diskStructure) 746{ 747 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 748 0, ISO_FLAG_DIRECTORY, 1, "\0"); 749 750} 751 752/*********** SUPPORT FUNCTIONS ***********/ 753static int 754cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 755{ 756 /* Boot volume descriptor should come second */ 757 int sector = 16; 758 /* For now, a fixed 2 : PVD and terminator */ 759 volume_descriptor *temp, *t; 760 761 /* Set up the PVD */ 762 temp = emalloc(sizeof(*temp)); 763 temp->volumeDescriptorData = 764 (unsigned char *)&diskStructure->primaryDescriptor; 765 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 766 temp->volumeDescriptorData[6] = 1; 767 temp->sector = sector; 768 memcpy(temp->volumeDescriptorData + 1, 769 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 770 diskStructure->firstVolumeDescriptor = temp; 771 772 sector++; 773 /* Set up boot support if enabled. BVD must reside in sector 17 */ 774 if (diskStructure->is_bootable) { 775 t = emalloc(sizeof(*t)); 776 t->volumeDescriptorData = ecalloc(1, 2048); 777 temp->next = t; 778 temp = t; 779 t->sector = 17; 780 if (diskStructure->verbose_level > 0) 781 printf("Setting up boot volume descriptor\n"); 782 cd9660_setup_boot_volume_descriptor(diskStructure, t); 783 sector++; 784 } 785 786 /* Set up the terminator */ 787 t = emalloc(sizeof(*t)); 788 t->volumeDescriptorData = ecalloc(1, 2048); 789 temp->next = t; 790 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 791 t->next = NULL; 792 t->volumeDescriptorData[6] = 1; 793 t->sector = sector; 794 memcpy(t->volumeDescriptorData + 1, 795 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 796 797 sector++; 798 return sector; 799} 800 801#if 0 802/* 803 * Populate EAR at some point. Not required, but is used by NetBSD's 804 * cd9660 support 805 */ 806static int 807cd9660_fill_extended_attribute_record(cd9660node *node) 808{ 809 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 810 return 1; 811} 812#endif 813 814static int 815cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 816{ 817 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 818 u_char flag; 819 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 820 821 /* Now populate the isoDirRecord structure */ 822 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 823 824 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 825 temp, !(S_ISDIR(newnode->node->type))); 826 827 flag = ISO_FLAG_CLEAR; 828 if (S_ISDIR(newnode->node->type)) 829 flag |= ISO_FLAG_DIRECTORY; 830 831 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 832 flag, strlen(temp), temp); 833 834 /* Set the various dates */ 835 836 /* If we want to use the current date and time */ 837 838 cd9660_time_915(newnode->isoDirRecord->date, tstamp); 839 840 cd9660_bothendian_dword(newnode->fileDataLength, 841 newnode->isoDirRecord->size); 842 /* If the file is a link, we want to set the size to 0 */ 843 if (S_ISLNK(newnode->node->type)) 844 newnode->fileDataLength = 0; 845 846 return 1; 847} 848 849/* 850 * Translate fsnode to cd9660node 851 * Translate filenames and other metadata, including dates, sizes, 852 * permissions, etc 853 * @param struct fsnode * The node generated by makefs 854 * @param struct cd9660node * The intermediate node to be written to 855 * @returns int 0 on failure, 1 on success 856 */ 857static int 858cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 859 cd9660node *newnode) 860{ 861 if (node == NULL) { 862 if (diskStructure->verbose_level > 0) 863 printf("%s: NULL node passed, returning\n", __func__); 864 return 0; 865 } 866 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 867 /* Set the node pointer */ 868 newnode->node = node; 869 870 /* Set the size */ 871 if (!(S_ISDIR(node->type))) 872 newnode->fileDataLength = node->inode->st.st_size; 873 874 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 875 return 0; 876 877 /* Finally, overwrite some of the values that are set by default */ 878 cd9660_time_915(newnode->isoDirRecord->date, 879 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 880 881 return 1; 882} 883 884/* 885 * Compares two ISO filenames 886 * @param const char * The first file name 887 * @param const char * The second file name 888 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 889 * the second is greater than the first 890 */ 891static int 892cd9660_compare_filename(const char *first, const char *second) 893{ 894 /* 895 * This can be made more optimal once it has been tested 896 * (the extra character, for example, is for testing) 897 */ 898 899 int p1 = 0; 900 int p2 = 0; 901 char c1, c2; 902 /* First, on the filename */ 903 904 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 905 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 906 c1 = first[p1]; 907 c2 = second[p2]; 908 if (c1 == '.' && c2 =='.') 909 break; 910 else if (c1 == '.') { 911 p2++; 912 c1 = ' '; 913 } else if (c2 == '.') { 914 p1++; 915 c2 = ' '; 916 } else { 917 p1++; 918 p2++; 919 } 920 921 if (c1 < c2) 922 return -1; 923 else if (c1 > c2) { 924 return 1; 925 } 926 } 927 928 if (first[p1] == '.' && second[p2] == '.') { 929 p1++; 930 p2++; 931 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 932 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 933 c1 = first[p1]; 934 c2 = second[p2]; 935 if (c1 == ';' && c2 == ';') 936 break; 937 else if (c1 == ';') { 938 p2++; 939 c1 = ' '; 940 } else if (c2 == ';') { 941 p1++; 942 c2 = ' '; 943 } else { 944 p1++; 945 p2++; 946 } 947 948 if (c1 < c2) 949 return -1; 950 else if (c1 > c2) 951 return 1; 952 } 953 } 954 return 0; 955} 956 957/* 958 * Insert a node into list with ISO sorting rules 959 * @param cd9660node * The head node of the list 960 * @param cd9660node * The node to be inserted 961 */ 962static void 963cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 964{ 965 int compare; 966 cd9660node *cn; 967 struct cd9660_children_head *head = &parent->cn_children; 968 969 /* TODO: Optimize? */ 970 cn_new->parent = parent; 971 972 /* 973 * first will either be 0, the . or the .. 974 * if . or .., this means no other entry may be written before first 975 * if 0, the new node may be inserted at the head 976 */ 977 978 TAILQ_FOREACH(cn, head, cn_next_child) { 979 /* 980 * Dont insert a node twice - 981 * that would cause an infinite loop 982 */ 983 if (cn_new == cn) 984 return; 985 986 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 987 cn->isoDirRecord->name); 988 989 if (compare == 0) 990 compare = cd9660_compare_filename(cn_new->node->name, 991 cn->node->name); 992 993 if (compare < 0) 994 break; 995 } 996 if (cn == NULL) 997 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 998 else 999 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1000} 1001 1002/* 1003 * Called After cd9660_sorted_child_insert 1004 * handles file collisions by suffixing each filname with ~n 1005 * where n represents the files respective place in the ordering 1006 */ 1007static int 1008cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1009 int past) 1010{ 1011 cd9660node *iter, *next, *prev; 1012 int skip; 1013 int delete_chars = 0; 1014 int temp_past = past; 1015 int temp_skip; 1016 int flag = 0; 1017 cd9660node *end_of_range; 1018 1019 for (iter = TAILQ_FIRST(&colliding->cn_children); 1020 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1021 if (strcmp(iter->isoDirRecord->name, 1022 next->isoDirRecord->name) != 0) { 1023 iter = TAILQ_NEXT(iter, cn_next_child); 1024 continue; 1025 } 1026 flag = 1; 1027 temp_skip = skip = cd9660_count_collisions(iter); 1028 end_of_range = iter; 1029 while (temp_skip > 0) { 1030 temp_skip--; 1031 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1032 } 1033 temp_past = past; 1034 while (temp_past > 0) { 1035 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1036 end_of_range = next; 1037 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1038 iter = prev; 1039 else 1040 delete_chars++; 1041 temp_past--; 1042 } 1043 skip += past; 1044 iter = cd9660_rename_filename(diskStructure, iter, skip, 1045 delete_chars); 1046 } 1047 return flag; 1048} 1049 1050 1051static cd9660node * 1052cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1053 int delete_chars) 1054{ 1055 int i = 0; 1056 int numbts, digit, digits, temp, powers, count; 1057 char *naming; 1058 int maxlength; 1059 char *tmp; 1060 1061 if (diskStructure->verbose_level > 0) 1062 printf("Rename_filename called\n"); 1063 1064 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1065 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1066 if (diskStructure->isoLevel == 1) 1067 maxlength = 8; 1068 else if (diskStructure->isoLevel == 2) 1069 maxlength = 31; 1070 else 1071 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1072 1073 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1074 1075 while (i < num && iter) { 1076 powers = 1; 1077 count = 0; 1078 digits = 1; 1079 while (((int)(i / powers) ) >= 10) { 1080 digits++; 1081 powers = powers * 10; 1082 } 1083 1084 naming = iter->o_name; 1085 1086 /* 1087 while ((*naming != '.') && (*naming != ';')) { 1088 naming++; 1089 count++; 1090 } 1091 */ 1092 1093 while (count < maxlength) { 1094 if (*naming == ';') 1095 break; 1096 naming++; 1097 count++; 1098 } 1099 1100 if ((count + digits) < maxlength) 1101 numbts = count; 1102 else 1103 numbts = maxlength - (digits); 1104 numbts -= delete_chars; 1105 1106 /* 8.3 rules - keep the extension, add before the dot */ 1107 1108 /* 1109 * This code makes a bunch of assumptions. 1110 * See if you can spot them all :) 1111 */ 1112 1113#if 0 1114 if (diskStructure->isoLevel == 1) { 1115 numbts = 8 - digits - delete_chars; 1116 if (dot < 0) { 1117 1118 } else { 1119 if (dot < 8) { 1120 memmove(&tmp[numbts],&tmp[dot],4); 1121 } 1122 } 1123 } 1124#endif 1125 1126 /* (copying just the filename before the '.' */ 1127 memcpy(tmp, (iter->o_name), numbts); 1128 1129 /* adding the appropriate number following the name */ 1130 temp = i; 1131 while (digits > 0) { 1132 digit = (int)(temp / powers); 1133 temp = temp - digit * powers; 1134 sprintf(&tmp[numbts] , "%d", digit); 1135 digits--; 1136 numbts++; 1137 powers = powers / 10; 1138 } 1139 1140 while ((*naming != ';') && (numbts < maxlength)) { 1141 tmp[numbts] = (*naming); 1142 naming++; 1143 numbts++; 1144 } 1145 1146 tmp[numbts] = ';'; 1147 tmp[numbts+1] = '1'; 1148 tmp[numbts+2] = '\0'; 1149 1150 /* 1151 * now tmp has exactly the identifier 1152 * we want so we'll copy it back to record 1153 */ 1154 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1155 1156 iter = TAILQ_NEXT(iter, cn_next_child); 1157 i++; 1158 } 1159 1160 free(tmp); 1161 return iter; 1162} 1163 1164/* Todo: Figure out why these functions are nec. */ 1165static void 1166cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1167{ 1168 cd9660node *cn; 1169 1170 if (TAILQ_EMPTY(&node->cn_children)) 1171 return; 1172 1173 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1174 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1175 exit(1); 1176 } 1177 1178 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1179 cd9660_copy_filenames(diskStructure, cn); 1180 memcpy(cn->o_name, cn->isoDirRecord->name, 1181 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1182 } 1183} 1184 1185static void 1186cd9660_sorting_nodes(cd9660node *node) 1187{ 1188 cd9660node *cn; 1189 1190 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1191 cd9660_sorting_nodes(cn); 1192 cd9660_sort_nodes(node); 1193} 1194 1195/* XXX Bubble sort. */ 1196static void 1197cd9660_sort_nodes(cd9660node *node) 1198{ 1199 cd9660node *cn, *next; 1200 1201 do { 1202 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1203 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1204 return; 1205 else if (strcmp(next->isoDirRecord->name, 1206 cn->isoDirRecord->name) >= 0) 1207 continue; 1208 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1209 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1210 break; 1211 } 1212 } while (cn != NULL); 1213} 1214 1215static int 1216cd9660_count_collisions(cd9660node *copy) 1217{ 1218 int count = 0; 1219 cd9660node *iter, *next; 1220 1221 for (iter = copy; 1222 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1223 iter = next) { 1224 if (cd9660_compare_filename(iter->isoDirRecord->name, 1225 next->isoDirRecord->name) == 0) 1226 count++; 1227 else 1228 return count; 1229 } 1230#if 0 1231 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1232 printf("%s: count is %i\n", __func__, count); 1233 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1234 next->isoDirRecord->name); 1235 if (compare == 0) { 1236 count++; 1237 return cd9660_recurse_on_collision(next, count); 1238 } else 1239 return count; 1240 } 1241#endif 1242 return count; 1243} 1244 1245static cd9660node * 1246cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1247{ 1248 char newname[9]; 1249 cd9660node *tfile; 1250 1251 /* 1252 * This function needs to: 1253 * 1) Create an empty virtual file in place of the old directory 1254 * 2) Point the virtual file to the new directory 1255 * 3) Point the relocated directory to its old parent 1256 * 4) Move the directory specified by dir into rr_moved_dir, 1257 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1258 */ 1259 1260 /* First see if the moved directory even exists */ 1261 if (diskStructure->rr_moved_dir == NULL) { 1262 diskStructure->rr_moved_dir = cd9660_create_directory( 1263 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1264 diskStructure->rootNode, dir); 1265 if (diskStructure->rr_moved_dir == NULL) 1266 return 0; 1267 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1268 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1269 } 1270 1271 /* Create a file with the same ORIGINAL name */ 1272 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1273 dir); 1274 if (tfile == NULL) 1275 return NULL; 1276 1277 diskStructure->rock_ridge_move_count++; 1278 snprintf(newname, sizeof(newname), "%08i", 1279 diskStructure->rock_ridge_move_count); 1280 1281 /* Point to old parent */ 1282 dir->rr_real_parent = dir->parent; 1283 1284 /* Place the placeholder file */ 1285 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1286 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1287 cn_next_child); 1288 } else { 1289 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1290 } 1291 1292 /* Point to new parent */ 1293 dir->parent = diskStructure->rr_moved_dir; 1294 1295 /* Point the file to the moved directory */ 1296 tfile->rr_relocated = dir; 1297 1298 /* Actually move the directory */ 1299 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1300 1301 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1302 1303 /* Set the new name */ 1304 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1305 strncpy(dir->isoDirRecord->name, newname, 8); 1306 dir->isoDirRecord->length[0] = 34 + 8; 1307 dir->isoDirRecord->name_len[0] = 8; 1308 1309 return dir; 1310} 1311 1312static int 1313cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1314{ 1315 struct cd9660_children_head *head = &root->cn_children; 1316 cd9660node *cn; 1317 1318 TAILQ_FOREACH(cn, head, cn_next_child) { 1319 if ((cn->type & CD9660_TYPE_DIR) == 0) 1320 continue; 1321 /* Recursion first */ 1322 cd9660_add_dot_records(diskStructure, cn); 1323 } 1324 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1325 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1326 root); 1327 return 1; 1328} 1329 1330/* 1331 * Convert node to cd9660 structure 1332 * This function is designed to be called recursively on the root node of 1333 * the filesystem 1334 * Lots of recursion going on here, want to make sure it is efficient 1335 * @param struct fsnode * The root node to be converted 1336 * @param struct cd9660* The parent node (should not be NULL) 1337 * @param int Current directory depth 1338 * @param int* Running count of the number of directories that are being created 1339 */ 1340static void 1341cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1342 cd9660node *parent_node, int level, int *numDirectories, int *error) 1343{ 1344 fsnode *iterator = root; 1345 cd9660node *this_node; 1346 int working_level; 1347 int add; 1348 int flag = 0; 1349 int counter = 0; 1350 1351 /* 1352 * Newer, more efficient method, reduces recursion depth 1353 */ 1354 if (root == NULL) { 1355 warnx("%s: root is null", __func__); 1356 return; 1357 } 1358 1359 /* Test for an empty directory - makefs still gives us the . record */ 1360 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1361 && (root->name[1] == '\0')) { 1362 root = root->next; 1363 if (root == NULL) 1364 return; 1365 } 1366 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1367 CD9660_MEM_ALLOC_ERROR(__func__); 1368 } 1369 1370 /* 1371 * To reduce the number of recursive calls, we will iterate over 1372 * the next pointers to the right. 1373 */ 1374 while (iterator != NULL) { 1375 add = 1; 1376 /* 1377 * Increment the directory count if this is a directory 1378 * Ignore "." entries. We will generate them later 1379 */ 1380 if (!S_ISDIR(iterator->type) || 1381 strcmp(iterator->name, ".") != 0) { 1382 1383 /* Translate the node, including its filename */ 1384 this_node->parent = parent_node; 1385 cd9660_translate_node(diskStructure, iterator, 1386 this_node); 1387 this_node->level = level; 1388 1389 if (S_ISDIR(iterator->type)) { 1390 (*numDirectories)++; 1391 this_node->type = CD9660_TYPE_DIR; 1392 working_level = level + 1; 1393 1394 /* 1395 * If at level 8, directory would be at 8 1396 * and have children at 9 which is not 1397 * allowed as per ISO spec 1398 */ 1399 if (level == 8) { 1400 if ((!diskStructure->allow_deep_trees) && 1401 (!diskStructure->rock_ridge_enabled)) { 1402 warnx("error: found entry " 1403 "with depth greater " 1404 "than 8."); 1405 (*error) = 1; 1406 return; 1407 } else if (diskStructure-> 1408 rock_ridge_enabled) { 1409 working_level = 3; 1410 /* 1411 * Moved directory is actually 1412 * at level 2. 1413 */ 1414 this_node->level = 1415 working_level - 1; 1416 if (cd9660_rrip_move_directory( 1417 diskStructure, 1418 this_node) == NULL) { 1419 warnx("Failure in " 1420 "cd9660_rrip_" 1421 "move_directory" 1422 ); 1423 (*error) = 1; 1424 return; 1425 } 1426 add = 0; 1427 } 1428 } 1429 1430 /* Do the recursive call on the children */ 1431 if (iterator->child != NULL) { 1432 cd9660_convert_structure(diskStructure, 1433 iterator->child, this_node, 1434 working_level, 1435 numDirectories, error); 1436 1437 if ((*error) == 1) { 1438 warnx("%s: Error on recursive " 1439 "call", __func__); 1440 return; 1441 } 1442 } 1443 1444 } else { 1445 /* Only directories should have children */ 1446 assert(iterator->child == NULL); 1447 1448 this_node->type = CD9660_TYPE_FILE; 1449 } 1450 1451 /* 1452 * Finally, do a sorted insert 1453 */ 1454 if (add) { 1455 cd9660_sorted_child_insert( 1456 parent_node, this_node); 1457 } 1458 1459 /*Allocate new temp_node */ 1460 if (iterator->next != NULL) { 1461 this_node = cd9660_allocate_cd9660node(); 1462 if (this_node == NULL) 1463 CD9660_MEM_ALLOC_ERROR(__func__); 1464 } 1465 } 1466 iterator = iterator->next; 1467 } 1468 1469 /* cd9660_handle_collisions(first_node); */ 1470 1471 /* TODO: need cleanup */ 1472 cd9660_copy_filenames(diskStructure, parent_node); 1473 1474 do { 1475 flag = cd9660_handle_collisions(diskStructure, parent_node, 1476 counter); 1477 counter++; 1478 cd9660_sorting_nodes(parent_node); 1479 } while ((flag == 1) && (counter < 100)); 1480} 1481 1482/* 1483 * Clean up the cd9660node tree 1484 * This is designed to be called recursively on the root node 1485 * @param struct cd9660node *root The node to free 1486 * @returns void 1487 */ 1488static void 1489cd9660_free_structure(cd9660node *root) 1490{ 1491 cd9660node *cn; 1492 1493 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1494 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1495 cd9660_free_structure(cn); 1496 } 1497 free(root); 1498} 1499 1500/* 1501 * Be a little more memory conservative: 1502 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1503 * just create a temporary structure 1504 */ 1505static struct ptq_entry 1506{ 1507 TAILQ_ENTRY(ptq_entry) ptq; 1508 cd9660node *node; 1509} *n; 1510 1511#define PTQUEUE_NEW(n,s,r,t){\ 1512 n = emalloc(sizeof(struct s)); \ 1513 n->node = t;\ 1514} 1515 1516/* 1517 * Generate the path tables 1518 * The specific implementation of this function is left as an exercise to the 1519 * programmer. It could be done recursively. Make sure you read how the path 1520 * table has to be laid out, it has levels. 1521 * @param struct iso9660_disk *disk The disk image 1522 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1523 */ 1524static int 1525cd9660_generate_path_table(iso9660_disk *diskStructure) 1526{ 1527 cd9660node *cn, *dirNode = diskStructure->rootNode; 1528 cd9660node *last = dirNode; 1529 int pathTableSize = 0; /* computed as we go */ 1530 int counter = 1; /* root gets a count of 0 */ 1531 1532 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1533 TAILQ_INIT(&pt_head); 1534 1535 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1536 1537 /* Push the root node */ 1538 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1539 1540 /* Breadth-first traversal of file structure */ 1541 while (pt_head.tqh_first != 0) { 1542 n = pt_head.tqh_first; 1543 dirNode = n->node; 1544 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1545 free(n); 1546 1547 /* Update the size */ 1548 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1549 + dirNode->isoDirRecord->name_len[0]+ 1550 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1551 /* includes the padding bit */ 1552 1553 dirNode->ptnumber=counter; 1554 if (dirNode != last) { 1555 last->ptnext = dirNode; 1556 dirNode->ptprev = last; 1557 } 1558 last = dirNode; 1559 1560 /* Push children onto queue */ 1561 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1562 /* 1563 * Dont add the DOT and DOTDOT types to the path 1564 * table. 1565 */ 1566 if ((cn->type != CD9660_TYPE_DOT) 1567 && (cn->type != CD9660_TYPE_DOTDOT)) { 1568 1569 if (S_ISDIR(cn->node->type)) { 1570 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1571 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1572 } 1573 } 1574 } 1575 counter++; 1576 } 1577 return pathTableSize; 1578} 1579 1580void 1581cd9660_compute_full_filename(cd9660node *node, char *buf) 1582{ 1583 int len; 1584 1585 len = CD9660MAXPATH + 1; 1586 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1587 node->node->path, node->node->name); 1588 if (len > CD9660MAXPATH) 1589 errx(EXIT_FAILURE, "Pathname too long."); 1590} 1591 1592/* NEW filename conversion method */ 1593typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1594 char *, int); 1595 1596 1597/* 1598 * TODO: These two functions are almost identical. 1599 * Some code cleanup is possible here 1600 * 1601 * XXX bounds checking! 1602 */ 1603static int 1604cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1605 char *newname, int is_file) 1606{ 1607 /* 1608 * ISO 9660 : 10.1 1609 * File Name shall not contain more than 8 d or d1 characters 1610 * File Name Extension shall not contain more than 3 d or d1 characters 1611 * Directory Identifier shall not contain more than 8 d or d1 characters 1612 */ 1613 int namelen = 0; 1614 int extlen = 0; 1615 int found_ext = 0; 1616 1617 while (*oldname != '\0' && extlen < 3) { 1618 /* Handle period first, as it is special */ 1619 if (*oldname == '.') { 1620 if (found_ext) { 1621 *newname++ = '_'; 1622 extlen ++; 1623 } 1624 else { 1625 *newname++ = '.'; 1626 found_ext = 1; 1627 } 1628 } else { 1629 /* cut RISC OS file type off ISO name */ 1630 if (diskStructure->archimedes_enabled && 1631 *oldname == ',' && strlen(oldname) == 4) 1632 break; 1633 1634 /* Enforce 12.3 / 8 */ 1635 if (namelen == 8 && !found_ext) 1636 break; 1637 1638 if (islower((unsigned char)*oldname)) 1639 *newname++ = toupper((unsigned char)*oldname); 1640 else if (isupper((unsigned char)*oldname) 1641 || isdigit((unsigned char)*oldname)) 1642 *newname++ = *oldname; 1643 else 1644 *newname++ = '_'; 1645 1646 if (found_ext) 1647 extlen++; 1648 else 1649 namelen++; 1650 } 1651 oldname++; 1652 } 1653 if (is_file) { 1654 if (!found_ext && !diskStructure->omit_trailing_period) 1655 *newname++ = '.'; 1656 /* Add version */ 1657 sprintf(newname, ";%i", 1); 1658 } 1659 return namelen + extlen + found_ext; 1660} 1661 1662/* XXX bounds checking! */ 1663static int 1664cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1665 char *newname, int is_file) 1666{ 1667 /* 1668 * ISO 9660 : 7.5.1 1669 * File name : 0+ d or d1 characters 1670 * separator 1 (.) 1671 * File name extension : 0+ d or d1 characters 1672 * separator 2 (;) 1673 * File version number (5 characters, 1-32767) 1674 * 1 <= Sum of File name and File name extension <= 30 1675 */ 1676 int namelen = 0; 1677 int extlen = 0; 1678 int found_ext = 0; 1679 1680 while (*oldname != '\0' && namelen + extlen < 30) { 1681 /* Handle period first, as it is special */ 1682 if (*oldname == '.') { 1683 if (found_ext) { 1684 if (diskStructure->allow_multidot) { 1685 *newname++ = '.'; 1686 } else { 1687 *newname++ = '_'; 1688 } 1689 extlen ++; 1690 } 1691 else { 1692 *newname++ = '.'; 1693 found_ext = 1; 1694 } 1695 } else { 1696 /* cut RISC OS file type off ISO name */ 1697 if (diskStructure->archimedes_enabled && 1698 *oldname == ',' && strlen(oldname) == 4) 1699 break; 1700 1701 if (islower((unsigned char)*oldname)) 1702 *newname++ = toupper((unsigned char)*oldname); 1703 else if (isupper((unsigned char)*oldname) || 1704 isdigit((unsigned char)*oldname)) 1705 *newname++ = *oldname; 1706 else if (diskStructure->allow_multidot && 1707 *oldname == '.') { 1708 *newname++ = '.'; 1709 } else { 1710 *newname++ = '_'; 1711 } 1712 1713 if (found_ext) 1714 extlen++; 1715 else 1716 namelen++; 1717 } 1718 oldname ++; 1719 } 1720 if (is_file) { 1721 if (!found_ext && !diskStructure->omit_trailing_period) 1722 *newname++ = '.'; 1723 /* Add version */ 1724 sprintf(newname, ";%i", 1); 1725 } 1726 return namelen + extlen + found_ext; 1727} 1728 1729#if 0 1730static int 1731cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1732 char *newname, int is_file) 1733{ 1734 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1735} 1736#endif 1737 1738 1739/* 1740 * Convert a file name to ISO compliant file name 1741 * @param char * oldname The original filename 1742 * @param char ** newname The new file name, in the appropriate character 1743 * set and of appropriate length 1744 * @param int 1 if file, 0 if directory 1745 * @returns int The length of the new string 1746 */ 1747static int 1748cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1749 char *newname, int is_file) 1750{ 1751 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1752 /* NEW */ 1753 cd9660_filename_conversion_functor conversion_function = NULL; 1754 if (diskStructure->isoLevel == 1) 1755 conversion_function = &cd9660_level1_convert_filename; 1756 else if (diskStructure->isoLevel == 2) 1757 conversion_function = &cd9660_level2_convert_filename; 1758 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1759} 1760 1761int 1762cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1763{ 1764 int size = node->isoDirRecord->length[0]; 1765 1766 if (diskStructure->rock_ridge_enabled) 1767 size += node->susp_entry_size; 1768 size += node->su_tail_size; 1769 size += size & 1; /* Ensure length of record is even. */ 1770 assert(size <= 254); 1771 return size; 1772} 1773 1774static void 1775cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1776{ 1777 node->dot_record->fileDataSector = node->fileDataSector; 1778 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1779 node->dot_record->isoDirRecord->name_len[0] = 1; 1780 node->dot_record->isoDirRecord->name[0] = 0; 1781 node->dot_record->isoDirRecord->name[1] = 0; 1782 node->dot_record->isoDirRecord->length[0] = 34; 1783 node->dot_record->fileRecordSize = 1784 cd9660_compute_record_size(diskStructure, node->dot_record); 1785 1786 if (node == diskStructure->rootNode) { 1787 node->dot_dot_record->fileDataSector = node->fileDataSector; 1788 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1789 34); 1790 } else { 1791 node->dot_dot_record->fileDataSector = 1792 node->parent->fileDataSector; 1793 memcpy(node->dot_dot_record->isoDirRecord, 1794 node->parent->isoDirRecord,34); 1795 } 1796 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1797 node->dot_dot_record->isoDirRecord->name[0] = 1; 1798 node->dot_dot_record->isoDirRecord->name[1] = 0; 1799 node->dot_dot_record->isoDirRecord->length[0] = 34; 1800 node->dot_dot_record->fileRecordSize = 1801 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1802} 1803 1804/* 1805 * @param struct cd9660node *node The node 1806 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1807 * @returns int The total size of files and directory entries (should be 1808 * a multiple of sector size) 1809*/ 1810static int64_t 1811cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1812 int64_t startOffset) 1813{ 1814 /* 1815 * This function needs to compute the size of directory records and 1816 * runs, file lengths, and set the appropriate variables both in 1817 * cd9660node and isoDirEntry 1818 */ 1819 int64_t used_bytes = 0; 1820 int64_t current_sector_usage = 0; 1821 cd9660node *child; 1822 fsinode *inode; 1823 int64_t r; 1824 1825 assert(node != NULL); 1826 1827 1828 /* 1829 * NOTE : There needs to be some special case detection for 1830 * the "real root" node, since for it, node->node is undefined 1831 */ 1832 1833 node->fileDataSector = -1; 1834 1835 if (node->type & CD9660_TYPE_DIR) { 1836 node->fileRecordSize = cd9660_compute_record_size( 1837 diskStructure, node); 1838 /*Set what sector this directory starts in*/ 1839 node->fileDataSector = 1840 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1841 1842 cd9660_bothendian_dword(node->fileDataSector, 1843 node->isoDirRecord->extent); 1844 1845 /* 1846 * First loop over children, need to know the size of 1847 * their directory records 1848 */ 1849 node->fileSectorsUsed = 1; 1850 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1851 node->fileDataLength += 1852 cd9660_compute_record_size(diskStructure, child); 1853 if ((cd9660_compute_record_size(diskStructure, child) + 1854 current_sector_usage) >= 1855 diskStructure->sectorSize) { 1856 current_sector_usage = 0; 1857 node->fileSectorsUsed++; 1858 } 1859 1860 current_sector_usage += 1861 cd9660_compute_record_size(diskStructure, child); 1862 } 1863 1864 cd9660_bothendian_dword(node->fileSectorsUsed * 1865 diskStructure->sectorSize,node->isoDirRecord->size); 1866 1867 /* 1868 * This should point to the sector after the directory 1869 * record (or, the first byte in that sector) 1870 */ 1871 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1872 1873 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1874 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1875 /* Directories need recursive call */ 1876 if (S_ISDIR(child->node->type)) { 1877 r = cd9660_compute_offsets(diskStructure, child, 1878 used_bytes + startOffset); 1879 1880 if (r != -1) 1881 used_bytes += r; 1882 else 1883 return -1; 1884 } 1885 } 1886 1887 /* Explicitly set the . and .. records */ 1888 cd9660_populate_dot_records(diskStructure, node); 1889 1890 /* Finally, do another iteration to write the file data*/ 1891 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1892 child != NULL; 1893 child = TAILQ_NEXT(child, cn_next_child)) { 1894 /* Files need extent set */ 1895 if (S_ISDIR(child->node->type)) 1896 continue; 1897 child->fileRecordSize = 1898 cd9660_compute_record_size(diskStructure, child); 1899 1900 child->fileSectorsUsed = 1901 CD9660_BLOCKS(diskStructure->sectorSize, 1902 child->fileDataLength); 1903 1904 inode = child->node->inode; 1905 if ((inode->flags & FI_ALLOCATED) == 0) { 1906 inode->ino = 1907 CD9660_BLOCKS(diskStructure->sectorSize, 1908 used_bytes + startOffset); 1909 inode->flags |= FI_ALLOCATED; 1910 used_bytes += child->fileSectorsUsed * 1911 diskStructure->sectorSize; 1912 } else { 1913 INODE_WARNX(("%s: already allocated inode %d " 1914 "data sectors at %" PRIu32, __func__, 1915 (int)inode->st.st_ino, inode->ino)); 1916 } 1917 child->fileDataSector = inode->ino; 1918 cd9660_bothendian_dword(child->fileDataSector, 1919 child->isoDirRecord->extent); 1920 } 1921 } 1922 1923 return used_bytes; 1924} 1925 1926#if 0 1927/* Might get rid of this func */ 1928static int 1929cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1930{ 1931 to->node->inode->st.st_dev = 0; 1932 to->node->inode->st.st_ino = 0; 1933 to->node->inode->st.st_size = 0; 1934 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1935 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1936 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1937 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1938 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1939 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1940 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1941 /* Clear out type */ 1942 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1943 if (file) 1944 to->node->inode->st.st_mode |= S_IFREG; 1945 else 1946 to->node->inode->st.st_mode |= S_IFDIR; 1947 return 1; 1948} 1949#endif 1950 1951static cd9660node * 1952cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1953 cd9660node *parent, int file, int insert) 1954{ 1955 cd9660node *temp; 1956 fsnode * tfsnode; 1957 1958 assert(parent != NULL); 1959 1960 temp = cd9660_allocate_cd9660node(); 1961 if (temp == NULL) 1962 return NULL; 1963 1964 tfsnode = emalloc(sizeof(*tfsnode)); 1965 tfsnode->name = estrdup(name); 1966 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1967 1968 cd9660_convert_filename(diskStructure, tfsnode->name, 1969 temp->isoDirRecord->name, file); 1970 1971 temp->node = tfsnode; 1972 temp->parent = parent; 1973 1974 if (insert) { 1975 if (temp->parent != NULL) { 1976 temp->level = temp->parent->level + 1; 1977 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1978 cd9660_sorted_child_insert(temp->parent, temp); 1979 else 1980 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1981 temp, cn_next_child); 1982 } 1983 } 1984 1985 if (parent->node != NULL) { 1986 tfsnode->type = parent->node->type; 1987 } 1988 1989 /* Clear out file type bits */ 1990 tfsnode->type &= ~(S_IFMT); 1991 if (file) 1992 tfsnode->type |= S_IFREG; 1993 else 1994 tfsnode->type |= S_IFDIR; 1995 1996 /* Indicate that there is no spec entry (inode) */ 1997 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1998#if 0 1999 cd9660_copy_stat_info(parent, temp, file); 2000#endif 2001 return temp; 2002} 2003 2004static cd9660node * 2005cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2006 cd9660node *parent, cd9660node *me) 2007{ 2008 cd9660node *temp; 2009 2010 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2011 if (temp == NULL) 2012 return NULL; 2013 2014 temp->fileDataLength = 0; 2015 2016 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2017 2018 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2019 *temp->node->inode = *me->node->inode; 2020 2021 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2022 return NULL; 2023 return temp; 2024} 2025 2026/* 2027 * Create a new directory which does not exist on disk 2028 * @param const char * name The name to assign to the directory 2029 * @param const char * parent Pointer to the parent directory 2030 * @returns cd9660node * Pointer to the new directory 2031 */ 2032static cd9660node * 2033cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2034 cd9660node *parent, cd9660node *me) 2035{ 2036 cd9660node *temp; 2037 2038 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2039 if (temp == NULL) 2040 return NULL; 2041 temp->node->type |= S_IFDIR; 2042 2043 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2044 2045 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2046 *temp->node->inode = *me->node->inode; 2047 2048 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2049 return NULL; 2050 return temp; 2051} 2052 2053static cd9660node * 2054cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2055 cd9660node *parent) 2056{ 2057 cd9660node *temp, *first; 2058 char na[2]; 2059 2060 assert(parent != NULL); 2061 2062 if (type == CD9660_TYPE_DOT) 2063 na[0] = 0; 2064 else if (type == CD9660_TYPE_DOTDOT) 2065 na[0] = 1; 2066 else 2067 return 0; 2068 2069 na[1] = 0; 2070 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2071 0, 0)) == NULL) 2072 return NULL; 2073 2074 temp->parent = parent; 2075 temp->type = type; 2076 temp->isoDirRecord->length[0] = 34; 2077 /* Dot record is always first */ 2078 if (type == CD9660_TYPE_DOT) { 2079 parent->dot_record = temp; 2080 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2081 /* DotDot should be second */ 2082 } else if (type == CD9660_TYPE_DOTDOT) { 2083 parent->dot_dot_record = temp; 2084 /* 2085 * If the first child is the dot record, insert 2086 * this second. Otherwise, insert it at the head. 2087 */ 2088 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2089 (first->type & CD9660_TYPE_DOT) == 0) { 2090 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2091 cn_next_child); 2092 } else { 2093 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2094 cn_next_child); 2095 } 2096 } 2097 2098 return temp; 2099} 2100 2101static int 2102cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2103{ 2104 struct stat stbuf; 2105 2106 assert(bootimage != NULL); 2107 2108 if (*bootimage == '\0') { 2109 warnx("Error: Boot image must be a filename"); 2110 return 0; 2111 } 2112 2113 diskStructure->generic_bootimage = estrdup(bootimage); 2114 2115 /* Get information about the file */ 2116 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2117 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2118 diskStructure->generic_bootimage); 2119 2120 if (stbuf.st_size > 32768) { 2121 warnx("Error: Boot image must be no greater than 32768 bytes"); 2122 return 0; 2123 } 2124 2125 if (diskStructure->verbose_level > 0) { 2126 printf("Generic boot image has size %lld\n", 2127 (long long)stbuf.st_size); 2128 } 2129 2130 diskStructure->has_generic_bootimage = 1; 2131 2132 return 1; 2133} 2134