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" 114 115 static void cd9660_finalize_PVD(iso9660_disk *); 116 static cd9660node *cd9660_allocate_cd9660node(void); 117 static void cd9660_set_defaults(iso9660_disk *); 118 static int cd9660_arguments_set_string(const char *, const char *, int, 119 char, char *); 120 static void cd9660_populate_iso_dir_record( 121 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 122 const char *); 123 static void cd9660_setup_root_node(iso9660_disk *); 124 static int cd9660_setup_volume_descriptors(iso9660_disk *); 125 #if 0 126 static int cd9660_fill_extended_attribute_record(cd9660node *); 127 #endif 128 static void cd9660_sort_nodes(cd9660node *); 129 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 130 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 131 static int cd9660_compare_filename(const char *, const char *); 132 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 133 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 134 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 135 int); 136 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 137 static void cd9660_sorting_nodes(cd9660node *); 138 static int cd9660_count_collisions(cd9660node *); 139 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 140 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 141 142 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 143 int *, int *); 144 static void cd9660_free_structure(cd9660node *); 145 static int cd9660_generate_path_table(iso9660_disk *); 146 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 147 int); 148 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 149 int); 150 #if 0 151 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 152 int); 153 #endif 154 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 155 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 156 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 157 #if 0 158 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 159 #endif 160 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 161 cd9660node *, int, int); 162 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 163 cd9660node *, cd9660node *); 164 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 165 cd9660node *, cd9660node *); 166 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 167 cd9660node *); 168 static 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 */ 175 static cd9660node * 176 cd9660_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 */ 194 static void 195 cd9660_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 } 248 249 void 250 cd9660_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 } 322 323 void 324 cd9660_cleanup_opts(fsinfo_t *fsopts) 325 { 326 free(fsopts->fs_specific); 327 free(fsopts->fs_options); 328 } 329 330 static int 331 cd9660_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: '%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: '%s' must be composed of %c-characters", 350 fieldtitle, testmode); 351 } else 352 warnx("error: '%s' must be at most 32 characters long", 353 fieldtitle); 354 return 0; 355 } 356 357 /* 358 * Command-line parsing function 359 */ 360 361 int 362 cd9660_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 */ 473 void 474 cd9660_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 */ 648 typedef int (*cd9660node_func)(cd9660node *); 649 650 static void 651 cd9660_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 } 724 725 static void 726 cd9660_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 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 731 732 record->ext_attr_length[0] = ext_attr_length; 733 cd9660_time_915(record->date, tstamp); 734 record->flags[0] = ISO_FLAG_CLEAR | flags; 735 record->file_unit_size[0] = 0; 736 record->interleave[0] = 0; 737 cd9660_bothendian_word(1, record->volume_sequence_number); 738 record->name_len[0] = name_len; 739 memset(record->name, '\0', sizeof (record->name)); 740 memcpy(record->name, name, name_len); 741 record->length[0] = 33 + name_len; 742 743 /* Todo : better rounding */ 744 record->length[0] += (record->length[0] & 1) ? 1 : 0; 745 } 746 747 static void 748 cd9660_setup_root_node(iso9660_disk *diskStructure) 749 { 750 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 751 0, ISO_FLAG_DIRECTORY, 1, "\0"); 752 753 } 754 755 /*********** SUPPORT FUNCTIONS ***********/ 756 static int 757 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 758 { 759 /* Boot volume descriptor should come second */ 760 int sector = 16; 761 /* For now, a fixed 2 : PVD and terminator */ 762 volume_descriptor *temp, *t; 763 764 /* Set up the PVD */ 765 temp = emalloc(sizeof(*temp)); 766 temp->volumeDescriptorData = 767 (unsigned char *)&diskStructure->primaryDescriptor; 768 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 769 temp->volumeDescriptorData[6] = 1; 770 temp->sector = sector; 771 memcpy(temp->volumeDescriptorData + 1, 772 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 773 diskStructure->firstVolumeDescriptor = temp; 774 775 sector++; 776 /* Set up boot support if enabled. BVD must reside in sector 17 */ 777 if (diskStructure->is_bootable) { 778 t = emalloc(sizeof(*t)); 779 t->volumeDescriptorData = ecalloc(1, 2048); 780 temp->next = t; 781 temp = t; 782 t->sector = 17; 783 if (diskStructure->verbose_level > 0) 784 printf("Setting up boot volume descriptor\n"); 785 cd9660_setup_boot_volume_descriptor(diskStructure, t); 786 sector++; 787 } 788 789 /* Set up the terminator */ 790 t = emalloc(sizeof(*t)); 791 t->volumeDescriptorData = ecalloc(1, 2048); 792 temp->next = t; 793 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 794 t->next = NULL; 795 t->volumeDescriptorData[6] = 1; 796 t->sector = sector; 797 memcpy(t->volumeDescriptorData + 1, 798 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 799 800 sector++; 801 return sector; 802 } 803 804 #if 0 805 /* 806 * Populate EAR at some point. Not required, but is used by NetBSD's 807 * cd9660 support 808 */ 809 static int 810 cd9660_fill_extended_attribute_record(cd9660node *node) 811 { 812 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 813 return 1; 814 } 815 #endif 816 817 static int 818 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 819 { 820 u_char flag; 821 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 822 823 /* Now populate the isoDirRecord structure */ 824 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 825 826 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 827 temp, !(S_ISDIR(newnode->node->type))); 828 829 flag = ISO_FLAG_CLEAR; 830 if (S_ISDIR(newnode->node->type)) 831 flag |= ISO_FLAG_DIRECTORY; 832 833 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 834 flag, strlen(temp), temp); 835 836 cd9660_bothendian_dword(newnode->fileDataLength, 837 newnode->isoDirRecord->size); 838 /* If the file is a link, we want to set the size to 0 */ 839 if (S_ISLNK(newnode->node->type)) 840 newnode->fileDataLength = 0; 841 842 return 1; 843 } 844 845 /* 846 * Translate fsnode to cd9660node 847 * Translate filenames and other metadata, including dates, sizes, 848 * permissions, etc 849 * @param struct fsnode * The node generated by makefs 850 * @param struct cd9660node * The intermediate node to be written to 851 * @returns int 0 on failure, 1 on success 852 */ 853 static int 854 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 855 cd9660node *newnode) 856 { 857 if (node == NULL) { 858 if (diskStructure->verbose_level > 0) 859 printf("%s: NULL node passed, returning\n", __func__); 860 return 0; 861 } 862 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 863 /* Set the node pointer */ 864 newnode->node = node; 865 866 /* Set the size */ 867 if (!(S_ISDIR(node->type))) 868 newnode->fileDataLength = node->inode->st.st_size; 869 870 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 871 return 0; 872 873 /* Finally, overwrite some of the values that are set by default */ 874 cd9660_time_915(newnode->isoDirRecord->date, 875 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 876 877 return 1; 878 } 879 880 /* 881 * Compares two ISO filenames 882 * @param const char * The first file name 883 * @param const char * The second file name 884 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 885 * the second is greater than the first 886 */ 887 static int 888 cd9660_compare_filename(const char *first, const char *second) 889 { 890 /* 891 * This can be made more optimal once it has been tested 892 * (the extra character, for example, is for testing) 893 */ 894 895 int p1 = 0; 896 int p2 = 0; 897 char c1, c2; 898 /* First, on the filename */ 899 900 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 901 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 902 c1 = first[p1]; 903 c2 = second[p2]; 904 if (c1 == '.' && c2 =='.') 905 break; 906 else if (c1 == '.') { 907 p2++; 908 c1 = ' '; 909 } else if (c2 == '.') { 910 p1++; 911 c2 = ' '; 912 } else { 913 p1++; 914 p2++; 915 } 916 917 if (c1 < c2) 918 return -1; 919 else if (c1 > c2) { 920 return 1; 921 } 922 } 923 924 if (first[p1] == '.' && second[p2] == '.') { 925 p1++; 926 p2++; 927 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 928 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 929 c1 = first[p1]; 930 c2 = second[p2]; 931 if (c1 == ';' && c2 == ';') 932 break; 933 else if (c1 == ';') { 934 p2++; 935 c1 = ' '; 936 } else if (c2 == ';') { 937 p1++; 938 c2 = ' '; 939 } else { 940 p1++; 941 p2++; 942 } 943 944 if (c1 < c2) 945 return -1; 946 else if (c1 > c2) 947 return 1; 948 } 949 } 950 return 0; 951 } 952 953 /* 954 * Insert a node into list with ISO sorting rules 955 * @param cd9660node * The head node of the list 956 * @param cd9660node * The node to be inserted 957 */ 958 static void 959 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 960 { 961 int compare; 962 cd9660node *cn; 963 struct cd9660_children_head *head = &parent->cn_children; 964 965 /* TODO: Optimize? */ 966 cn_new->parent = parent; 967 968 /* 969 * first will either be 0, the . or the .. 970 * if . or .., this means no other entry may be written before first 971 * if 0, the new node may be inserted at the head 972 */ 973 974 TAILQ_FOREACH(cn, head, cn_next_child) { 975 /* 976 * Dont insert a node twice - 977 * that would cause an infinite loop 978 */ 979 if (cn_new == cn) 980 return; 981 982 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 983 cn->isoDirRecord->name); 984 985 if (compare == 0) 986 compare = cd9660_compare_filename(cn_new->node->name, 987 cn->node->name); 988 989 if (compare < 0) 990 break; 991 } 992 if (cn == NULL) 993 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 994 else 995 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 996 } 997 998 /* 999 * Called After cd9660_sorted_child_insert 1000 * handles file collisions by suffixing each filename with ~n 1001 * where n represents the files respective place in the ordering 1002 */ 1003 static int 1004 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1005 int past) 1006 { 1007 cd9660node *iter, *next, *prev; 1008 int skip; 1009 int delete_chars = 0; 1010 int temp_past = past; 1011 int temp_skip; 1012 int flag = 0; 1013 cd9660node *end_of_range; 1014 1015 for (iter = TAILQ_FIRST(&colliding->cn_children); 1016 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1017 if (strcmp(iter->isoDirRecord->name, 1018 next->isoDirRecord->name) != 0) { 1019 iter = TAILQ_NEXT(iter, cn_next_child); 1020 continue; 1021 } 1022 flag = 1; 1023 temp_skip = skip = cd9660_count_collisions(iter); 1024 end_of_range = iter; 1025 while (temp_skip > 0) { 1026 temp_skip--; 1027 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1028 } 1029 temp_past = past; 1030 while (temp_past > 0) { 1031 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1032 end_of_range = next; 1033 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1034 iter = prev; 1035 else 1036 delete_chars++; 1037 temp_past--; 1038 } 1039 skip += past; 1040 iter = cd9660_rename_filename(diskStructure, iter, skip, 1041 delete_chars); 1042 } 1043 return flag; 1044 } 1045 1046 1047 static cd9660node * 1048 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1049 int delete_chars) 1050 { 1051 int i = 0; 1052 int numbts, digit, digits, temp, powers, count; 1053 char *naming; 1054 int maxlength; 1055 char *tmp; 1056 1057 if (diskStructure->verbose_level > 0) 1058 printf("Rename_filename called\n"); 1059 1060 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1061 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1062 if (diskStructure->isoLevel == 1) 1063 maxlength = 8; 1064 else if (diskStructure->isoLevel == 2) 1065 maxlength = 31; 1066 else 1067 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1068 1069 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1070 1071 while (i < num && iter) { 1072 powers = 1; 1073 count = 0; 1074 digits = 1; 1075 while (((int)(i / powers) ) >= 10) { 1076 digits++; 1077 powers = powers * 10; 1078 } 1079 1080 naming = iter->o_name; 1081 1082 /* 1083 while ((*naming != '.') && (*naming != ';')) { 1084 naming++; 1085 count++; 1086 } 1087 */ 1088 1089 while (count < maxlength) { 1090 if (*naming == ';') 1091 break; 1092 naming++; 1093 count++; 1094 } 1095 1096 if ((count + digits) < maxlength) 1097 numbts = count; 1098 else 1099 numbts = maxlength - (digits); 1100 numbts -= delete_chars; 1101 1102 /* 8.3 rules - keep the extension, add before the dot */ 1103 1104 /* 1105 * This code makes a bunch of assumptions. 1106 * See if you can spot them all :) 1107 */ 1108 1109 #if 0 1110 if (diskStructure->isoLevel == 1) { 1111 numbts = 8 - digits - delete_chars; 1112 if (dot < 0) { 1113 1114 } else { 1115 if (dot < 8) { 1116 memmove(&tmp[numbts],&tmp[dot],4); 1117 } 1118 } 1119 } 1120 #endif 1121 1122 /* (copying just the filename before the '.' */ 1123 memcpy(tmp, (iter->o_name), numbts); 1124 1125 /* adding the appropriate number following the name */ 1126 temp = i; 1127 while (digits > 0) { 1128 digit = (int)(temp / powers); 1129 temp = temp - digit * powers; 1130 sprintf(&tmp[numbts] , "%d", digit); 1131 digits--; 1132 numbts++; 1133 powers = powers / 10; 1134 } 1135 1136 while ((*naming != ';') && (numbts < maxlength)) { 1137 tmp[numbts] = (*naming); 1138 naming++; 1139 numbts++; 1140 } 1141 1142 tmp[numbts] = ';'; 1143 tmp[numbts+1] = '1'; 1144 tmp[numbts+2] = '\0'; 1145 1146 /* 1147 * now tmp has exactly the identifier 1148 * we want so we'll copy it back to record 1149 */ 1150 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1151 1152 iter = TAILQ_NEXT(iter, cn_next_child); 1153 i++; 1154 } 1155 1156 free(tmp); 1157 return iter; 1158 } 1159 1160 /* Todo: Figure out why these functions are nec. */ 1161 static void 1162 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1163 { 1164 cd9660node *cn; 1165 1166 if (TAILQ_EMPTY(&node->cn_children)) 1167 return; 1168 1169 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1170 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1171 exit(1); 1172 } 1173 1174 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1175 cd9660_copy_filenames(diskStructure, cn); 1176 memcpy(cn->o_name, cn->isoDirRecord->name, 1177 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1178 } 1179 } 1180 1181 static void 1182 cd9660_sorting_nodes(cd9660node *node) 1183 { 1184 cd9660node *cn; 1185 1186 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1187 cd9660_sorting_nodes(cn); 1188 cd9660_sort_nodes(node); 1189 } 1190 1191 /* XXX Bubble sort. */ 1192 static void 1193 cd9660_sort_nodes(cd9660node *node) 1194 { 1195 cd9660node *cn, *next; 1196 1197 do { 1198 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1199 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1200 return; 1201 else if (strcmp(next->isoDirRecord->name, 1202 cn->isoDirRecord->name) >= 0) 1203 continue; 1204 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1205 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1206 break; 1207 } 1208 } while (cn != NULL); 1209 } 1210 1211 static int 1212 cd9660_count_collisions(cd9660node *copy) 1213 { 1214 int count = 0; 1215 cd9660node *iter, *next; 1216 1217 for (iter = copy; 1218 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1219 iter = next) { 1220 if (cd9660_compare_filename(iter->isoDirRecord->name, 1221 next->isoDirRecord->name) == 0) 1222 count++; 1223 else 1224 return count; 1225 } 1226 #if 0 1227 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1228 printf("%s: count is %i\n", __func__, count); 1229 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1230 next->isoDirRecord->name); 1231 if (compare == 0) { 1232 count++; 1233 return cd9660_recurse_on_collision(next, count); 1234 } else 1235 return count; 1236 } 1237 #endif 1238 return count; 1239 } 1240 1241 static cd9660node * 1242 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1243 { 1244 char newname[9]; 1245 cd9660node *tfile; 1246 1247 /* 1248 * This function needs to: 1249 * 1) Create an empty virtual file in place of the old directory 1250 * 2) Point the virtual file to the new directory 1251 * 3) Point the relocated directory to its old parent 1252 * 4) Move the directory specified by dir into rr_moved_dir, 1253 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1254 */ 1255 1256 /* First see if the moved directory even exists */ 1257 if (diskStructure->rr_moved_dir == NULL) { 1258 diskStructure->rr_moved_dir = cd9660_create_directory( 1259 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1260 diskStructure->rootNode, dir); 1261 if (diskStructure->rr_moved_dir == NULL) 1262 return 0; 1263 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1264 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1265 } 1266 1267 /* Create a file with the same ORIGINAL name */ 1268 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1269 dir); 1270 if (tfile == NULL) 1271 return NULL; 1272 1273 diskStructure->rock_ridge_move_count++; 1274 snprintf(newname, sizeof(newname), "%08i", 1275 diskStructure->rock_ridge_move_count); 1276 1277 /* Point to old parent */ 1278 dir->rr_real_parent = dir->parent; 1279 1280 /* Place the placeholder file */ 1281 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1282 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1283 cn_next_child); 1284 } else { 1285 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1286 } 1287 1288 /* Point to new parent */ 1289 dir->parent = diskStructure->rr_moved_dir; 1290 1291 /* Point the file to the moved directory */ 1292 tfile->rr_relocated = dir; 1293 1294 /* Actually move the directory */ 1295 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1296 1297 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1298 1299 /* Set the new name */ 1300 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1301 strncpy(dir->isoDirRecord->name, newname, 8); 1302 dir->isoDirRecord->length[0] = 34 + 8; 1303 dir->isoDirRecord->name_len[0] = 8; 1304 1305 return dir; 1306 } 1307 1308 static int 1309 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1310 { 1311 struct cd9660_children_head *head = &root->cn_children; 1312 cd9660node *cn; 1313 1314 TAILQ_FOREACH(cn, head, cn_next_child) { 1315 if ((cn->type & CD9660_TYPE_DIR) == 0) 1316 continue; 1317 /* Recursion first */ 1318 cd9660_add_dot_records(diskStructure, cn); 1319 } 1320 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1321 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1322 root); 1323 return 1; 1324 } 1325 1326 /* 1327 * Convert node to cd9660 structure 1328 * This function is designed to be called recursively on the root node of 1329 * the filesystem 1330 * Lots of recursion going on here, want to make sure it is efficient 1331 * @param struct fsnode * The root node to be converted 1332 * @param struct cd9660* The parent node (should not be NULL) 1333 * @param int Current directory depth 1334 * @param int* Running count of the number of directories that are being created 1335 */ 1336 static void 1337 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1338 cd9660node *parent_node, int level, int *numDirectories, int *error) 1339 { 1340 fsnode *iterator = root; 1341 cd9660node *this_node; 1342 int working_level; 1343 int add; 1344 int flag = 0; 1345 int counter = 0; 1346 1347 /* 1348 * Newer, more efficient method, reduces recursion depth 1349 */ 1350 if (root == NULL) { 1351 warnx("%s: root is null", __func__); 1352 return; 1353 } 1354 1355 /* Test for an empty directory - makefs still gives us the . record */ 1356 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1357 && (root->name[1] == '\0')) { 1358 root = root->next; 1359 if (root == NULL) 1360 return; 1361 } 1362 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1363 CD9660_MEM_ALLOC_ERROR(__func__); 1364 } 1365 1366 /* 1367 * To reduce the number of recursive calls, we will iterate over 1368 * the next pointers to the right. 1369 */ 1370 while (iterator != NULL) { 1371 add = 1; 1372 /* 1373 * Increment the directory count if this is a directory 1374 * Ignore "." entries. We will generate them later 1375 */ 1376 if (!S_ISDIR(iterator->type) || 1377 strcmp(iterator->name, ".") != 0) { 1378 1379 /* Translate the node, including its filename */ 1380 this_node->parent = parent_node; 1381 cd9660_translate_node(diskStructure, iterator, 1382 this_node); 1383 this_node->level = level; 1384 1385 if (S_ISDIR(iterator->type)) { 1386 (*numDirectories)++; 1387 this_node->type = CD9660_TYPE_DIR; 1388 working_level = level + 1; 1389 1390 /* 1391 * If at level 8, directory would be at 8 1392 * and have children at 9 which is not 1393 * allowed as per ISO spec 1394 */ 1395 if (level == 8) { 1396 if ((!diskStructure->allow_deep_trees) && 1397 (!diskStructure->rock_ridge_enabled)) { 1398 warnx("error: found entry " 1399 "with depth greater " 1400 "than 8."); 1401 (*error) = 1; 1402 return; 1403 } else if (diskStructure-> 1404 rock_ridge_enabled) { 1405 working_level = 3; 1406 /* 1407 * Moved directory is actually 1408 * at level 2. 1409 */ 1410 this_node->level = 1411 working_level - 1; 1412 if (cd9660_rrip_move_directory( 1413 diskStructure, 1414 this_node) == NULL) { 1415 warnx("Failure in " 1416 "cd9660_rrip_" 1417 "move_directory" 1418 ); 1419 (*error) = 1; 1420 return; 1421 } 1422 add = 0; 1423 } 1424 } 1425 1426 /* Do the recursive call on the children */ 1427 if (iterator->child != NULL) { 1428 cd9660_convert_structure(diskStructure, 1429 iterator->child, this_node, 1430 working_level, 1431 numDirectories, error); 1432 1433 if ((*error) == 1) { 1434 warnx("%s: Error on recursive " 1435 "call", __func__); 1436 return; 1437 } 1438 } 1439 1440 } else { 1441 /* Only directories should have children */ 1442 assert(iterator->child == NULL); 1443 1444 this_node->type = CD9660_TYPE_FILE; 1445 } 1446 1447 /* 1448 * Finally, do a sorted insert 1449 */ 1450 if (add) { 1451 cd9660_sorted_child_insert( 1452 parent_node, this_node); 1453 } 1454 1455 /*Allocate new temp_node */ 1456 if (iterator->next != NULL) { 1457 this_node = cd9660_allocate_cd9660node(); 1458 if (this_node == NULL) 1459 CD9660_MEM_ALLOC_ERROR(__func__); 1460 } 1461 } 1462 iterator = iterator->next; 1463 } 1464 1465 /* cd9660_handle_collisions(first_node); */ 1466 1467 /* TODO: need cleanup */ 1468 cd9660_copy_filenames(diskStructure, parent_node); 1469 1470 do { 1471 flag = cd9660_handle_collisions(diskStructure, parent_node, 1472 counter); 1473 counter++; 1474 cd9660_sorting_nodes(parent_node); 1475 } while ((flag == 1) && (counter < 100)); 1476 } 1477 1478 /* 1479 * Clean up the cd9660node tree 1480 * This is designed to be called recursively on the root node 1481 * @param struct cd9660node *root The node to free 1482 * @returns void 1483 */ 1484 static void 1485 cd9660_free_structure(cd9660node *root) 1486 { 1487 cd9660node *cn; 1488 1489 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1490 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1491 cd9660_free_structure(cn); 1492 } 1493 free(root); 1494 } 1495 1496 /* 1497 * Be a little more memory conservative: 1498 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1499 * just create a temporary structure 1500 */ 1501 static struct ptq_entry 1502 { 1503 TAILQ_ENTRY(ptq_entry) ptq; 1504 cd9660node *node; 1505 } *n; 1506 1507 #define PTQUEUE_NEW(n,s,r,t){\ 1508 n = emalloc(sizeof(struct s)); \ 1509 n->node = t;\ 1510 } 1511 1512 /* 1513 * Generate the path tables 1514 * The specific implementation of this function is left as an exercise to the 1515 * programmer. It could be done recursively. Make sure you read how the path 1516 * table has to be laid out, it has levels. 1517 * @param struct iso9660_disk *disk The disk image 1518 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1519 */ 1520 static int 1521 cd9660_generate_path_table(iso9660_disk *diskStructure) 1522 { 1523 cd9660node *cn, *dirNode = diskStructure->rootNode; 1524 cd9660node *last = dirNode; 1525 int pathTableSize = 0; /* computed as we go */ 1526 int counter = 1; /* root gets a count of 0 */ 1527 1528 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1529 TAILQ_INIT(&pt_head); 1530 1531 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1532 1533 /* Push the root node */ 1534 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1535 1536 /* Breadth-first traversal of file structure */ 1537 while (pt_head.tqh_first != 0) { 1538 n = pt_head.tqh_first; 1539 dirNode = n->node; 1540 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1541 free(n); 1542 1543 /* Update the size */ 1544 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1545 + dirNode->isoDirRecord->name_len[0]+ 1546 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1547 /* includes the padding bit */ 1548 1549 dirNode->ptnumber=counter; 1550 if (dirNode != last) { 1551 last->ptnext = dirNode; 1552 dirNode->ptprev = last; 1553 } 1554 last = dirNode; 1555 1556 /* Push children onto queue */ 1557 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1558 /* 1559 * Dont add the DOT and DOTDOT types to the path 1560 * table. 1561 */ 1562 if ((cn->type != CD9660_TYPE_DOT) 1563 && (cn->type != CD9660_TYPE_DOTDOT)) { 1564 1565 if (S_ISDIR(cn->node->type)) { 1566 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1567 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1568 } 1569 } 1570 } 1571 counter++; 1572 } 1573 return pathTableSize; 1574 } 1575 1576 void 1577 cd9660_compute_full_filename(cd9660node *node, char *buf) 1578 { 1579 int len; 1580 1581 len = PATH_MAX; 1582 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1583 node->node->path, node->node->name); 1584 if (len >= PATH_MAX) 1585 errx(EXIT_FAILURE, "Pathname too long."); 1586 } 1587 1588 /* NEW filename conversion method */ 1589 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1590 char *, int); 1591 1592 1593 /* 1594 * TODO: These two functions are almost identical. 1595 * Some code cleanup is possible here 1596 * 1597 * XXX bounds checking! 1598 */ 1599 static int 1600 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1601 char *newname, int is_file) 1602 { 1603 /* 1604 * ISO 9660 : 10.1 1605 * File Name shall not contain more than 8 d or d1 characters 1606 * File Name Extension shall not contain more than 3 d or d1 characters 1607 * Directory Identifier shall not contain more than 8 d or d1 characters 1608 */ 1609 int namelen = 0; 1610 int extlen = 0; 1611 int found_ext = 0; 1612 1613 while (*oldname != '\0' && extlen < 3) { 1614 /* Handle period first, as it is special */ 1615 if (*oldname == '.') { 1616 if (found_ext) { 1617 *newname++ = '_'; 1618 extlen ++; 1619 } 1620 else { 1621 *newname++ = '.'; 1622 found_ext = 1; 1623 } 1624 } else { 1625 /* cut RISC OS file type off ISO name */ 1626 if (diskStructure->archimedes_enabled && 1627 *oldname == ',' && strlen(oldname) == 4) 1628 break; 1629 1630 /* Enforce 12.3 / 8 */ 1631 if (namelen == 8 && !found_ext) 1632 break; 1633 1634 if (islower((unsigned char)*oldname)) 1635 *newname++ = toupper((unsigned char)*oldname); 1636 else if (isupper((unsigned char)*oldname) 1637 || isdigit((unsigned char)*oldname)) 1638 *newname++ = *oldname; 1639 else 1640 *newname++ = '_'; 1641 1642 if (found_ext) 1643 extlen++; 1644 else 1645 namelen++; 1646 } 1647 oldname++; 1648 } 1649 if (is_file) { 1650 if (!found_ext && !diskStructure->omit_trailing_period) 1651 *newname++ = '.'; 1652 /* Add version */ 1653 sprintf(newname, ";%i", 1); 1654 } 1655 return namelen + extlen + found_ext; 1656 } 1657 1658 /* XXX bounds checking! */ 1659 static int 1660 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1661 char *newname, int is_file) 1662 { 1663 /* 1664 * ISO 9660 : 7.5.1 1665 * File name : 0+ d or d1 characters 1666 * separator 1 (.) 1667 * File name extension : 0+ d or d1 characters 1668 * separator 2 (;) 1669 * File version number (5 characters, 1-32767) 1670 * 1 <= Sum of File name and File name extension <= 30 1671 */ 1672 int namelen = 0; 1673 int extlen = 0; 1674 int found_ext = 0; 1675 1676 while (*oldname != '\0' && namelen + extlen < 30) { 1677 /* Handle period first, as it is special */ 1678 if (*oldname == '.') { 1679 if (found_ext) { 1680 if (diskStructure->allow_multidot) { 1681 *newname++ = '.'; 1682 } else { 1683 *newname++ = '_'; 1684 } 1685 extlen ++; 1686 } 1687 else { 1688 *newname++ = '.'; 1689 found_ext = 1; 1690 } 1691 } else { 1692 /* cut RISC OS file type off ISO name */ 1693 if (diskStructure->archimedes_enabled && 1694 *oldname == ',' && strlen(oldname) == 4) 1695 break; 1696 1697 if (islower((unsigned char)*oldname)) 1698 *newname++ = toupper((unsigned char)*oldname); 1699 else if (isupper((unsigned char)*oldname) || 1700 isdigit((unsigned char)*oldname)) 1701 *newname++ = *oldname; 1702 else if (diskStructure->allow_multidot && 1703 *oldname == '.') { 1704 *newname++ = '.'; 1705 } else { 1706 *newname++ = '_'; 1707 } 1708 1709 if (found_ext) 1710 extlen++; 1711 else 1712 namelen++; 1713 } 1714 oldname ++; 1715 } 1716 if (is_file) { 1717 if (!found_ext && !diskStructure->omit_trailing_period) 1718 *newname++ = '.'; 1719 /* Add version */ 1720 sprintf(newname, ";%i", 1); 1721 } 1722 return namelen + extlen + found_ext; 1723 } 1724 1725 #if 0 1726 static int 1727 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1728 char *newname, int is_file) 1729 { 1730 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1731 } 1732 #endif 1733 1734 1735 /* 1736 * Convert a file name to ISO compliant file name 1737 * @param char * oldname The original filename 1738 * @param char ** newname The new file name, in the appropriate character 1739 * set and of appropriate length 1740 * @param int 1 if file, 0 if directory 1741 * @returns int The length of the new string 1742 */ 1743 static int 1744 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1745 char *newname, int is_file) 1746 { 1747 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1748 /* NEW */ 1749 cd9660_filename_conversion_functor conversion_function = NULL; 1750 if (diskStructure->isoLevel == 1) 1751 conversion_function = &cd9660_level1_convert_filename; 1752 else if (diskStructure->isoLevel == 2) 1753 conversion_function = &cd9660_level2_convert_filename; 1754 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1755 } 1756 1757 int 1758 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1759 { 1760 int size = node->isoDirRecord->length[0]; 1761 1762 if (diskStructure->rock_ridge_enabled) 1763 size += node->susp_entry_size; 1764 size += node->su_tail_size; 1765 size += size & 1; /* Ensure length of record is even. */ 1766 assert(size <= 254); 1767 return size; 1768 } 1769 1770 static void 1771 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1772 { 1773 node->dot_record->fileDataSector = node->fileDataSector; 1774 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1775 node->dot_record->isoDirRecord->name_len[0] = 1; 1776 node->dot_record->isoDirRecord->name[0] = 0; 1777 node->dot_record->isoDirRecord->name[1] = 0; 1778 node->dot_record->isoDirRecord->length[0] = 34; 1779 node->dot_record->fileRecordSize = 1780 cd9660_compute_record_size(diskStructure, node->dot_record); 1781 1782 if (node == diskStructure->rootNode) { 1783 node->dot_dot_record->fileDataSector = node->fileDataSector; 1784 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1785 34); 1786 } else { 1787 node->dot_dot_record->fileDataSector = 1788 node->parent->fileDataSector; 1789 memcpy(node->dot_dot_record->isoDirRecord, 1790 node->parent->isoDirRecord,34); 1791 } 1792 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1793 node->dot_dot_record->isoDirRecord->name[0] = 1; 1794 node->dot_dot_record->isoDirRecord->name[1] = 0; 1795 node->dot_dot_record->isoDirRecord->length[0] = 34; 1796 node->dot_dot_record->fileRecordSize = 1797 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1798 } 1799 1800 /* 1801 * @param struct cd9660node *node The node 1802 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1803 * @returns int The total size of files and directory entries (should be 1804 * a multiple of sector size) 1805 */ 1806 static int64_t 1807 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1808 int64_t startOffset) 1809 { 1810 /* 1811 * This function needs to compute the size of directory records and 1812 * runs, file lengths, and set the appropriate variables both in 1813 * cd9660node and isoDirEntry 1814 */ 1815 int64_t used_bytes = 0; 1816 int64_t current_sector_usage = 0; 1817 cd9660node *child; 1818 fsinode *inode; 1819 int64_t r; 1820 1821 assert(node != NULL); 1822 1823 1824 /* 1825 * NOTE : There needs to be some special case detection for 1826 * the "real root" node, since for it, node->node is undefined 1827 */ 1828 1829 node->fileDataSector = -1; 1830 1831 if (node->type & CD9660_TYPE_DIR) { 1832 node->fileRecordSize = cd9660_compute_record_size( 1833 diskStructure, node); 1834 /*Set what sector this directory starts in*/ 1835 node->fileDataSector = 1836 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1837 1838 cd9660_bothendian_dword(node->fileDataSector, 1839 node->isoDirRecord->extent); 1840 1841 /* 1842 * First loop over children, need to know the size of 1843 * their directory records 1844 */ 1845 node->fileSectorsUsed = 1; 1846 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1847 node->fileDataLength += 1848 cd9660_compute_record_size(diskStructure, child); 1849 if ((cd9660_compute_record_size(diskStructure, child) + 1850 current_sector_usage) >= 1851 diskStructure->sectorSize) { 1852 current_sector_usage = 0; 1853 node->fileSectorsUsed++; 1854 } 1855 1856 current_sector_usage += 1857 cd9660_compute_record_size(diskStructure, child); 1858 } 1859 1860 cd9660_bothendian_dword(node->fileSectorsUsed * 1861 diskStructure->sectorSize,node->isoDirRecord->size); 1862 1863 /* 1864 * This should point to the sector after the directory 1865 * record (or, the first byte in that sector) 1866 */ 1867 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1868 1869 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1870 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1871 /* Directories need recursive call */ 1872 if (S_ISDIR(child->node->type)) { 1873 r = cd9660_compute_offsets(diskStructure, child, 1874 used_bytes + startOffset); 1875 1876 if (r != -1) 1877 used_bytes += r; 1878 else 1879 return -1; 1880 } 1881 } 1882 1883 /* Explicitly set the . and .. records */ 1884 cd9660_populate_dot_records(diskStructure, node); 1885 1886 /* Finally, do another iteration to write the file data*/ 1887 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1888 child != NULL; 1889 child = TAILQ_NEXT(child, cn_next_child)) { 1890 /* Files need extent set */ 1891 if (S_ISDIR(child->node->type)) 1892 continue; 1893 child->fileRecordSize = 1894 cd9660_compute_record_size(diskStructure, child); 1895 1896 child->fileSectorsUsed = 1897 CD9660_BLOCKS(diskStructure->sectorSize, 1898 child->fileDataLength); 1899 1900 inode = child->node->inode; 1901 if ((inode->flags & FI_ALLOCATED) == 0) { 1902 inode->ino = 1903 CD9660_BLOCKS(diskStructure->sectorSize, 1904 used_bytes + startOffset); 1905 inode->flags |= FI_ALLOCATED; 1906 used_bytes += child->fileSectorsUsed * 1907 diskStructure->sectorSize; 1908 } else { 1909 INODE_WARNX(("%s: already allocated inode %d " 1910 "data sectors at %" PRIu32, __func__, 1911 (int)inode->st.st_ino, inode->ino)); 1912 } 1913 child->fileDataSector = inode->ino; 1914 cd9660_bothendian_dword(child->fileDataSector, 1915 child->isoDirRecord->extent); 1916 } 1917 } 1918 1919 return used_bytes; 1920 } 1921 1922 #if 0 1923 /* Might get rid of this func */ 1924 static int 1925 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1926 { 1927 to->node->inode->st.st_dev = 0; 1928 to->node->inode->st.st_ino = 0; 1929 to->node->inode->st.st_size = 0; 1930 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1931 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1932 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1933 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1934 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1935 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1936 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1937 /* Clear out type */ 1938 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1939 if (file) 1940 to->node->inode->st.st_mode |= S_IFREG; 1941 else 1942 to->node->inode->st.st_mode |= S_IFDIR; 1943 return 1; 1944 } 1945 #endif 1946 1947 static cd9660node * 1948 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1949 cd9660node *parent, int file, int insert) 1950 { 1951 cd9660node *temp; 1952 fsnode * tfsnode; 1953 1954 assert(parent != NULL); 1955 1956 temp = cd9660_allocate_cd9660node(); 1957 if (temp == NULL) 1958 return NULL; 1959 1960 tfsnode = emalloc(sizeof(*tfsnode)); 1961 tfsnode->name = estrdup(name); 1962 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1963 1964 cd9660_convert_filename(diskStructure, tfsnode->name, 1965 temp->isoDirRecord->name, file); 1966 1967 temp->node = tfsnode; 1968 temp->parent = parent; 1969 1970 if (insert) { 1971 if (temp->parent != NULL) { 1972 temp->level = temp->parent->level + 1; 1973 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1974 cd9660_sorted_child_insert(temp->parent, temp); 1975 else 1976 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1977 temp, cn_next_child); 1978 } 1979 } 1980 1981 if (parent->node != NULL) { 1982 tfsnode->type = parent->node->type; 1983 } 1984 1985 /* Clear out file type bits */ 1986 tfsnode->type &= ~(S_IFMT); 1987 if (file) 1988 tfsnode->type |= S_IFREG; 1989 else 1990 tfsnode->type |= S_IFDIR; 1991 1992 /* Indicate that there is no spec entry (inode) */ 1993 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1994 #if 0 1995 cd9660_copy_stat_info(parent, temp, file); 1996 #endif 1997 return temp; 1998 } 1999 2000 static cd9660node * 2001 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2002 cd9660node *parent, cd9660node *me) 2003 { 2004 cd9660node *temp; 2005 2006 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2007 if (temp == NULL) 2008 return NULL; 2009 2010 temp->fileDataLength = 0; 2011 2012 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2013 2014 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2015 *temp->node->inode = *me->node->inode; 2016 2017 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2018 return NULL; 2019 return temp; 2020 } 2021 2022 /* 2023 * Create a new directory which does not exist on disk 2024 * @param const char * name The name to assign to the directory 2025 * @param const char * parent Pointer to the parent directory 2026 * @returns cd9660node * Pointer to the new directory 2027 */ 2028 static cd9660node * 2029 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2030 cd9660node *parent, cd9660node *me) 2031 { 2032 cd9660node *temp; 2033 2034 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2035 if (temp == NULL) 2036 return NULL; 2037 temp->node->type |= S_IFDIR; 2038 2039 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2040 2041 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2042 *temp->node->inode = *me->node->inode; 2043 2044 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2045 return NULL; 2046 return temp; 2047 } 2048 2049 static cd9660node * 2050 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2051 cd9660node *parent) 2052 { 2053 cd9660node *temp, *first; 2054 char na[2]; 2055 2056 assert(parent != NULL); 2057 2058 if (type == CD9660_TYPE_DOT) 2059 na[0] = 0; 2060 else if (type == CD9660_TYPE_DOTDOT) 2061 na[0] = 1; 2062 else 2063 return 0; 2064 2065 na[1] = 0; 2066 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2067 0, 0)) == NULL) 2068 return NULL; 2069 2070 temp->parent = parent; 2071 temp->type = type; 2072 temp->isoDirRecord->length[0] = 34; 2073 /* Dot record is always first */ 2074 if (type == CD9660_TYPE_DOT) { 2075 parent->dot_record = temp; 2076 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2077 /* DotDot should be second */ 2078 } else if (type == CD9660_TYPE_DOTDOT) { 2079 parent->dot_dot_record = temp; 2080 /* 2081 * If the first child is the dot record, insert 2082 * this second. Otherwise, insert it at the head. 2083 */ 2084 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2085 (first->type & CD9660_TYPE_DOT) == 0) { 2086 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2087 cn_next_child); 2088 } else { 2089 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2090 cn_next_child); 2091 } 2092 } 2093 2094 return temp; 2095 } 2096 2097 static int 2098 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2099 { 2100 struct stat stbuf; 2101 2102 assert(bootimage != NULL); 2103 2104 if (*bootimage == '\0') { 2105 warnx("Error: Boot image must be a filename"); 2106 return 0; 2107 } 2108 2109 diskStructure->generic_bootimage = estrdup(bootimage); 2110 2111 /* Get information about the file */ 2112 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2113 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2114 diskStructure->generic_bootimage); 2115 2116 if (stbuf.st_size > 32768) { 2117 warnx("Error: Boot image must be no greater than 32768 bytes"); 2118 return 0; 2119 } 2120 2121 if (diskStructure->verbose_level > 0) { 2122 printf("Generic boot image has size %lld\n", 2123 (long long)stbuf.st_size); 2124 } 2125 2126 diskStructure->has_generic_bootimage = 1; 2127 2128 return 1; 2129 } 2130