1 /* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34 /* 35 * Copyright (c) 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Luke Mewburn for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68 /* 69 * Copyright (c) 1982, 1986, 1989, 1993 70 * The Regents of the University of California. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 */ 97 98 #include <sys/cdefs.h> 99 __FBSDID("$FreeBSD$"); 100 101 #include <sys/param.h> 102 #include <sys/queue.h> 103 #include <ctype.h> 104 #include <stdlib.h> 105 #include <string.h> 106 107 #include "makefs.h" 108 #include "cd9660.h" 109 #include "cd9660/iso9660_rrip.h" 110 #include "cd9660/cd9660_archimedes.h" 111 112 static void cd9660_finalize_PVD(iso9660_disk *); 113 static cd9660node *cd9660_allocate_cd9660node(void); 114 static void cd9660_set_defaults(iso9660_disk *); 115 static int cd9660_arguments_set_string(const char *, const char *, int, 116 char, char *); 117 static void cd9660_populate_iso_dir_record( 118 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 119 const char *); 120 static void cd9660_setup_root_node(iso9660_disk *); 121 static int cd9660_setup_volume_descriptors(iso9660_disk *); 122 #if 0 123 static int cd9660_fill_extended_attribute_record(cd9660node *); 124 #endif 125 static void cd9660_sort_nodes(cd9660node *); 126 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 127 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 128 static int cd9660_compare_filename(const char *, const char *); 129 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 130 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 131 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 132 int); 133 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 134 static void cd9660_sorting_nodes(cd9660node *); 135 static int cd9660_count_collisions(cd9660node *); 136 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 137 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 138 139 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 140 int *, int *); 141 static void cd9660_free_structure(cd9660node *); 142 static int cd9660_generate_path_table(iso9660_disk *); 143 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 144 int); 145 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 146 int); 147 #if 0 148 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 149 int); 150 #endif 151 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 152 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 153 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 154 #if 0 155 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 156 #endif 157 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 158 cd9660node *, int, int); 159 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 160 cd9660node *, cd9660node *); 161 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 162 cd9660node *, cd9660node *); 163 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 164 cd9660node *); 165 166 167 /* 168 * Allocate and initialize a cd9660node 169 * @returns struct cd9660node * Pointer to new node, or NULL on error 170 */ 171 static cd9660node * 172 cd9660_allocate_cd9660node(void) 173 { 174 cd9660node *temp; 175 176 if ((temp = calloc(1, sizeof(cd9660node))) == NULL) 177 err(EXIT_FAILURE, "%s: calloc", __func__); 178 TAILQ_INIT(&temp->cn_children); 179 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 180 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 181 temp->node = NULL; 182 temp->isoDirRecord = NULL; 183 temp->isoExtAttributes = NULL; 184 temp->rr_real_parent = temp->rr_relocated = NULL; 185 temp->su_tail_data = NULL; 186 return temp; 187 } 188 189 int cd9660_defaults_set = 0; 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 cd9660_defaults_set = 1; 238 239 /* Boot support: Initially disabled */ 240 diskStructure->has_generic_bootimage = 0; 241 diskStructure->generic_bootimage = NULL; 242 243 diskStructure->boot_image_directory = 0; 244 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 245 246 diskStructure->is_bootable = 0; 247 TAILQ_INIT(&diskStructure->boot_images); 248 LIST_INIT(&diskStructure->boot_entries); 249 } 250 251 void 252 cd9660_prep_opts(fsinfo_t *fsopts) 253 { 254 iso9660_disk *diskStructure; 255 256 if ((diskStructure = calloc(1, sizeof(*diskStructure))) == NULL) 257 err(EXIT_FAILURE, "%s: calloc", __func__); 258 259 fsopts->fs_specific = diskStructure; 260 261 cd9660_set_defaults(diskStructure); 262 } 263 264 void 265 cd9660_cleanup_opts(fsinfo_t *fsopts) 266 { 267 free(fsopts->fs_specific); 268 } 269 270 static int 271 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 272 char testmode, char * dest) 273 { 274 int len, test; 275 276 if (val == NULL) 277 warnx("error: The %s requires a string argument", fieldtitle); 278 else if ((len = strlen(val)) <= length) { 279 if (testmode == 'd') 280 test = cd9660_valid_d_chars(val); 281 else 282 test = cd9660_valid_a_chars(val); 283 if (test) { 284 memcpy(dest, val, len); 285 if (test == 2) 286 cd9660_uppercase_characters(dest, len); 287 return 1; 288 } else 289 warnx("error: The %s must be composed of " 290 "%c-characters", fieldtitle, testmode); 291 } else 292 warnx("error: The %s must be at most 32 characters long", 293 fieldtitle); 294 return 0; 295 } 296 297 /* 298 * Command-line parsing function 299 */ 300 301 int 302 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 303 { 304 char *var, *val; 305 int rv; 306 iso9660_disk *diskStructure = fsopts->fs_specific; 307 308 /* Set up allowed options - integer options ONLY */ 309 option_t cd9660_options[] = { 310 { "l", &diskStructure->isoLevel, 1, 2, "ISO Level" }, 311 { "isolevel", &diskStructure->isoLevel, 1, 2, "ISO Level" }, 312 { "verbose", &diskStructure->verbose_level, 0, 2, 313 "Turns on verbose output" }, 314 { "v", &diskStructure->verbose_level, 0 , 2, 315 "Turns on verbose output"}, 316 { .name = NULL } 317 }; 318 319 /* 320 * Todo : finish implementing this, and make a function that 321 * parses them 322 */ 323 /* 324 string_option_t cd9660_string_options[] = { 325 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS }, 326 { NULL } 327 } 328 */ 329 330 assert(option != NULL); 331 332 if (debug & DEBUG_FS_PARSE_OPTS) 333 printf("cd9660_parse_opts: got `%s'\n", option); 334 335 if ((var = strdup(option)) == NULL) 336 err(1, "allocating memory for copy of option string"); 337 rv = 1; 338 339 val = strchr(var, '='); 340 if (val != NULL) 341 *val++ = '\0'; 342 343 /* First handle options with no parameters */ 344 if (strcmp(var, "h") == 0) { 345 diskStructure->displayHelp = 1; 346 rv = 1; 347 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) { 348 /* this is not handled yet */ 349 diskStructure->follow_sym_links = 1; 350 rv = 1; 351 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) { 352 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd', 353 diskStructure->primaryDescriptor.volume_id); 354 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) { 355 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a', 356 diskStructure->primaryDescriptor.application_id); 357 } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) { 358 rv = cd9660_arguments_set_string(val, "Publisher Identifier", 359 128, 'a', diskStructure->primaryDescriptor.publisher_id); 360 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) { 361 rv = cd9660_arguments_set_string(val, "Preparer Identifier", 362 128, 'a', diskStructure->primaryDescriptor.preparer_id); 363 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) { 364 rv = cd9660_arguments_set_string(val, "Volume Set Identifier", 365 128, 'a', diskStructure->primaryDescriptor.volume_set_id); 366 /* Boot options */ 367 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) { 368 if (val == NULL) 369 warnx("error: The Boot Image parameter requires a valid boot information string"); 370 else 371 rv = cd9660_add_boot_disk(diskStructure, val); 372 } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) { 373 /* 374 * XXXfvdl this is unused. 375 */ 376 if (val == NULL) 377 errx(1, "error: The Boot Image Directory parameter" 378 " requires a directory name\n"); 379 else { 380 if ((diskStructure->boot_image_directory = 381 malloc(strlen(val) + 1)) == NULL) { 382 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts"); 383 exit(1); 384 } 385 386 /* BIG TODO: Add the max length function here */ 387 cd9660_arguments_set_string(val, "Boot Image Directory", 388 12 , 'd', diskStructure->boot_image_directory); 389 } 390 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) { 391 if (val == NULL) 392 warnx("error: The Boot Image parameter requires a valid boot information string"); 393 else 394 rv = cd9660_add_generic_bootimage(diskStructure, val); 395 } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding")) 396 diskStructure->include_padding_areas = 0; 397 /* RRIP */ 398 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge")) 399 diskStructure->rock_ridge_enabled = 1; 400 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes")) 401 diskStructure->archimedes_enabled = 1; 402 else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot")) 403 diskStructure->chrp_boot = 1; 404 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images")) 405 diskStructure->keep_bad_images = 1; 406 else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees")) 407 diskStructure->allow_deep_trees = 1; 408 else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name")) 409 diskStructure->allow_max_name = 1; 410 else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars")) 411 diskStructure->allow_illegal_chars = 1; 412 else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase")) 413 diskStructure->allow_lowercase = 1; 414 else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot")) 415 diskStructure->allow_multidot = 1; 416 else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period")) 417 diskStructure->omit_trailing_period = 1; 418 else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") || 419 CD9660_IS_COMMAND_ARG(var, "no-boot") || 420 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) { 421 cd9660_eltorito_add_boot_option(diskStructure, var, 0); 422 423 /* End of flag variables */ 424 } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) { 425 if (val == NULL) { 426 warnx("Option `%s' doesn't contain a value", var); 427 rv = 0; 428 } else { 429 cd9660_eltorito_add_boot_option(diskStructure, var, 430 val); 431 } 432 } else { 433 if (val == NULL) { 434 warnx("Option `%s' doesn't contain a value", var); 435 rv = 0; 436 } else 437 rv = set_option(cd9660_options, var, val); 438 } 439 440 free(var); 441 return (rv); 442 } 443 444 /* 445 * Main function for cd9660_makefs 446 * Builds the ISO image file 447 * @param const char *image The image filename to create 448 * @param const char *dir The directory that is being read 449 * @param struct fsnode *root The root node of the filesystem tree 450 * @param struct fsinfo_t *fsopts Any options 451 */ 452 void 453 cd9660_makefs(const char *image, const char *dir, fsnode *root, 454 fsinfo_t *fsopts) 455 { 456 int64_t startoffset; 457 int numDirectories; 458 uint64_t pathTableSectors; 459 int64_t firstAvailableSector; 460 int64_t totalSpace; 461 int error; 462 cd9660node *real_root; 463 iso9660_disk *diskStructure = fsopts->fs_specific; 464 465 if (diskStructure->verbose_level > 0) 466 printf("cd9660_makefs: ISO level is %i\n", 467 diskStructure->isoLevel); 468 if (diskStructure->isoLevel < 2 && 469 diskStructure->allow_multidot) 470 errx(1, "allow-multidot requires iso level of 2\n"); 471 472 assert(image != NULL); 473 assert(dir != NULL); 474 assert(root != NULL); 475 476 if (diskStructure->displayHelp) { 477 /* 478 * Display help here - probably want to put it in 479 * a separate function 480 */ 481 return; 482 } 483 484 if (diskStructure->verbose_level > 0) 485 printf("cd9660_makefs: image %s directory %s root %p\n", 486 image, dir, root); 487 488 /* Set up some constants. Later, these will be defined with options */ 489 490 /* Counter needed for path tables */ 491 numDirectories = 0; 492 493 /* Convert tree to our own format */ 494 /* Actually, we now need to add the REAL root node, at level 0 */ 495 496 real_root = cd9660_allocate_cd9660node(); 497 if ((real_root->isoDirRecord = 498 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 499 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 500 exit(1); 501 } 502 503 /* Leave filename blank for root */ 504 memset(real_root->isoDirRecord->name, 0, 505 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 506 507 real_root->level = 0; 508 diskStructure->rootNode = real_root; 509 real_root->type = CD9660_TYPE_DIR; 510 error = 0; 511 real_root->node = root; 512 cd9660_convert_structure(diskStructure, root, real_root, 1, 513 &numDirectories, &error); 514 515 if (TAILQ_EMPTY(&real_root->cn_children)) { 516 errx(1, "cd9660_makefs: converted directory is empty. " 517 "Tree conversion failed\n"); 518 } else if (error != 0) { 519 errx(1, "cd9660_makefs: tree conversion failed\n"); 520 } else { 521 if (diskStructure->verbose_level > 0) 522 printf("cd9660_makefs: tree converted\n"); 523 } 524 525 /* Add the dot and dot dot records */ 526 cd9660_add_dot_records(diskStructure, real_root); 527 528 cd9660_setup_root_node(diskStructure); 529 530 if (diskStructure->verbose_level > 0) 531 printf("cd9660_makefs: done converting tree\n"); 532 533 /* non-SUSP extensions */ 534 if (diskStructure->archimedes_enabled) 535 archimedes_convert_tree(diskStructure->rootNode); 536 537 /* Rock ridge / SUSP init pass */ 538 if (diskStructure->rock_ridge_enabled) { 539 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 540 diskStructure->rootNode, NULL); 541 } 542 543 /* Build path table structure */ 544 diskStructure->pathTableLength = cd9660_generate_path_table( 545 diskStructure); 546 547 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 548 diskStructure->pathTableLength); 549 550 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 551 if (diskStructure->is_bootable) { 552 firstAvailableSector = cd9660_setup_boot(diskStructure, 553 firstAvailableSector); 554 if (firstAvailableSector < 0) 555 errx(1, "setup_boot failed"); 556 } 557 /* LE first, then BE */ 558 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 559 diskStructure->primaryBigEndianTableSector = 560 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 561 562 /* Set the secondary ones to -1, not going to use them for now */ 563 diskStructure->secondaryBigEndianTableSector = -1; 564 diskStructure->secondaryLittleEndianTableSector = -1; 565 566 diskStructure->dataFirstSector = 567 diskStructure->primaryBigEndianTableSector + pathTableSectors; 568 if (diskStructure->verbose_level > 0) 569 printf("cd9660_makefs: Path table conversion complete. " 570 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 571 diskStructure->pathTableLength, pathTableSectors); 572 573 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 574 575 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 576 577 diskStructure->totalSectors = diskStructure->dataFirstSector + 578 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 579 580 /* Disabled until pass 1 is done */ 581 if (diskStructure->rock_ridge_enabled) { 582 diskStructure->susp_continuation_area_start_sector = 583 diskStructure->totalSectors; 584 diskStructure->totalSectors += 585 CD9660_BLOCKS(diskStructure->sectorSize, 586 diskStructure->susp_continuation_area_size); 587 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 588 } 589 590 591 cd9660_finalize_PVD(diskStructure); 592 593 /* Add padding sectors, just for testing purposes right now */ 594 /* diskStructure->totalSectors+=150; */ 595 596 /* Debugging output */ 597 if (diskStructure->verbose_level > 0) { 598 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 599 printf("cd9660_makefs: Primary path tables starts in sector %" 600 PRId64 "\n", diskStructure->primaryLittleEndianTableSector); 601 printf("cd9660_makefs: File data starts in sector %" 602 PRId64 "\n", diskStructure->dataFirstSector); 603 printf("cd9660_makefs: Total sectors: %" 604 PRId64 "\n", diskStructure->totalSectors); 605 } 606 607 /* 608 * Add padding sectors at the end 609 * TODO: Clean this up and separate padding 610 */ 611 if (diskStructure->include_padding_areas) 612 diskStructure->totalSectors += 150; 613 614 cd9660_write_image(diskStructure, image); 615 616 if (diskStructure->verbose_level > 1) { 617 debug_print_volume_descriptor_information(diskStructure); 618 debug_print_tree(diskStructure, real_root, 0); 619 debug_print_path_tree(real_root); 620 } 621 622 /* Clean up data structures */ 623 cd9660_free_structure(real_root); 624 625 if (diskStructure->verbose_level > 0) 626 printf("cd9660_makefs: done\n"); 627 } 628 629 /* Generic function pointer - implement later */ 630 typedef int (*cd9660node_func)(cd9660node *); 631 632 static void 633 cd9660_finalize_PVD(iso9660_disk *diskStructure) 634 { 635 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 636 637 /* root should be a fixed size of 34 bytes since it has no name */ 638 memcpy(diskStructure->primaryDescriptor.root_directory_record, 639 diskStructure->rootNode->dot_record->isoDirRecord, 34); 640 641 /* In RRIP, this might be longer than 34 */ 642 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 643 644 /* Set up all the important numbers in the PVD */ 645 cd9660_bothendian_dword(diskStructure->totalSectors, 646 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 647 cd9660_bothendian_word(1, 648 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 649 cd9660_bothendian_word(1, 650 (unsigned char *) 651 diskStructure->primaryDescriptor.volume_sequence_number); 652 cd9660_bothendian_word(diskStructure->sectorSize, 653 (unsigned char *) 654 diskStructure->primaryDescriptor.logical_block_size); 655 cd9660_bothendian_dword(diskStructure->pathTableLength, 656 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 657 658 cd9660_731(diskStructure->primaryLittleEndianTableSector, 659 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 660 cd9660_732(diskStructure->primaryBigEndianTableSector, 661 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 662 663 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 664 665 /* Pad all strings with spaces instead of nulls */ 666 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 667 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 668 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 669 128); 670 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 671 128); 672 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 673 128); 674 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 675 128); 676 cd9660_pad_string_spaces( 677 diskStructure->primaryDescriptor.copyright_file_id, 37); 678 cd9660_pad_string_spaces( 679 diskStructure->primaryDescriptor.abstract_file_id, 37); 680 cd9660_pad_string_spaces( 681 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 682 683 /* Setup dates */ 684 cd9660_time_8426( 685 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 686 tstamp); 687 cd9660_time_8426( 688 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 689 tstamp); 690 691 #if 0 692 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 693 tstamp); 694 #endif 695 696 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16); 697 diskStructure->primaryDescriptor.expiration_date[16] = 0; 698 699 cd9660_time_8426( 700 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 701 tstamp); 702 /* make this sane */ 703 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date, 704 tstamp); 705 } 706 707 static void 708 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 709 u_char ext_attr_length, u_char flags, 710 u_char name_len, const char * name) 711 { 712 record->ext_attr_length[0] = ext_attr_length; 713 record->flags[0] = ISO_FLAG_CLEAR | flags; 714 record->file_unit_size[0] = 0; 715 record->interleave[0] = 0; 716 cd9660_bothendian_word(1, record->volume_sequence_number); 717 record->name_len[0] = name_len; 718 memset(record->name, '\0', sizeof (record->name)); 719 memcpy(record->name, name, name_len); 720 record->length[0] = 33 + name_len; 721 722 /* Todo : better rounding */ 723 record->length[0] += (record->length[0] & 1) ? 1 : 0; 724 } 725 726 static void 727 cd9660_setup_root_node(iso9660_disk *diskStructure) 728 { 729 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 730 0, ISO_FLAG_DIRECTORY, 1, "\0"); 731 732 } 733 734 /*********** SUPPORT FUNCTIONS ***********/ 735 static int 736 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 737 { 738 /* Boot volume descriptor should come second */ 739 int sector = 16; 740 /* For now, a fixed 2 : PVD and terminator */ 741 volume_descriptor *temp, *t; 742 743 /* Set up the PVD */ 744 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 745 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 746 exit(1); 747 } 748 749 temp->volumeDescriptorData = 750 (unsigned char *)&diskStructure->primaryDescriptor; 751 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 752 temp->volumeDescriptorData[6] = 1; 753 temp->sector = sector; 754 memcpy(temp->volumeDescriptorData + 1, 755 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 756 diskStructure->firstVolumeDescriptor = temp; 757 758 sector++; 759 /* Set up boot support if enabled. BVD must reside in sector 17 */ 760 if (diskStructure->is_bootable) { 761 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 762 CD9660_MEM_ALLOC_ERROR( 763 "cd9660_setup_volume_descriptors"); 764 exit(1); 765 } 766 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 767 CD9660_MEM_ALLOC_ERROR( 768 "cd9660_setup_volume_descriptors"); 769 exit(1); 770 } 771 temp->next = t; 772 temp = t; 773 memset(t->volumeDescriptorData, 0, 2048); 774 t->sector = 17; 775 if (diskStructure->verbose_level > 0) 776 printf("Setting up boot volume descriptor\n"); 777 cd9660_setup_boot_volume_descriptor(diskStructure, t); 778 sector++; 779 } 780 781 /* Set up the terminator */ 782 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 783 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 784 exit(1); 785 } 786 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 787 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 788 exit(1); 789 } 790 791 temp->next = t; 792 memset(t->volumeDescriptorData, 0, 2048); 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 if ((node->isoExtAttributes = 813 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 814 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 815 exit(1); 816 }; 817 818 return 1; 819 } 820 #endif 821 822 static int 823 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 824 { 825 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 826 int test; 827 u_char flag; 828 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 829 830 /* Now populate the isoDirRecord structure */ 831 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 832 833 test = cd9660_convert_filename(diskStructure, newnode->node->name, 834 temp, !(S_ISDIR(newnode->node->type))); 835 836 flag = ISO_FLAG_CLEAR; 837 if (S_ISDIR(newnode->node->type)) 838 flag |= ISO_FLAG_DIRECTORY; 839 840 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 841 flag, strlen(temp), temp); 842 843 /* Set the various dates */ 844 845 /* If we want to use the current date and time */ 846 847 cd9660_time_915(newnode->isoDirRecord->date, tstamp); 848 849 cd9660_bothendian_dword(newnode->fileDataLength, 850 newnode->isoDirRecord->size); 851 /* If the file is a link, we want to set the size to 0 */ 852 if (S_ISLNK(newnode->node->type)) 853 newnode->fileDataLength = 0; 854 855 return 1; 856 } 857 858 /* 859 * Translate fsnode to cd9660node 860 * Translate filenames and other metadata, including dates, sizes, 861 * permissions, etc 862 * @param struct fsnode * The node generated by makefs 863 * @param struct cd9660node * The intermediate node to be written to 864 * @returns int 0 on failure, 1 on success 865 */ 866 static int 867 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 868 cd9660node *newnode) 869 { 870 if (node == NULL) { 871 if (diskStructure->verbose_level > 0) 872 printf("cd9660_translate_node: NULL node passed, " 873 "returning\n"); 874 return 0; 875 } 876 if ((newnode->isoDirRecord = 877 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 878 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 879 return 0; 880 } 881 882 /* Set the node pointer */ 883 newnode->node = node; 884 885 /* Set the size */ 886 if (!(S_ISDIR(node->type))) 887 newnode->fileDataLength = node->inode->st.st_size; 888 889 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 890 return 0; 891 892 /* Finally, overwrite some of the values that are set by default */ 893 cd9660_time_915(newnode->isoDirRecord->date, 894 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 895 896 return 1; 897 } 898 899 /* 900 * Compares two ISO filenames 901 * @param const char * The first file name 902 * @param const char * The second file name 903 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 904 * the second is greater than the first 905 */ 906 static int 907 cd9660_compare_filename(const char *first, const char *second) 908 { 909 /* 910 * This can be made more optimal once it has been tested 911 * (the extra character, for example, is for testing) 912 */ 913 914 int p1 = 0; 915 int p2 = 0; 916 char c1, c2; 917 /* First, on the filename */ 918 919 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 920 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 921 c1 = first[p1]; 922 c2 = second[p2]; 923 if (c1 == '.' && c2 =='.') 924 break; 925 else if (c1 == '.') { 926 p2++; 927 c1 = ' '; 928 } else if (c2 == '.') { 929 p1++; 930 c2 = ' '; 931 } else { 932 p1++; 933 p2++; 934 } 935 936 if (c1 < c2) 937 return -1; 938 else if (c1 > c2) { 939 return 1; 940 } 941 } 942 943 if (first[p1] == '.' && second[p2] == '.') { 944 p1++; 945 p2++; 946 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 947 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 948 c1 = first[p1]; 949 c2 = second[p2]; 950 if (c1 == ';' && c2 == ';') 951 break; 952 else if (c1 == ';') { 953 p2++; 954 c1 = ' '; 955 } else if (c2 == ';') { 956 p1++; 957 c2 = ' '; 958 } else { 959 p1++; 960 p2++; 961 } 962 963 if (c1 < c2) 964 return -1; 965 else if (c1 > c2) 966 return 1; 967 } 968 } 969 return 0; 970 } 971 972 /* 973 * Insert a node into list with ISO sorting rules 974 * @param cd9660node * The head node of the list 975 * @param cd9660node * The node to be inserted 976 */ 977 static void 978 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 979 { 980 int compare; 981 cd9660node *cn; 982 struct cd9660_children_head *head = &parent->cn_children; 983 984 /* TODO: Optimize? */ 985 cn_new->parent = parent; 986 987 /* 988 * first will either be 0, the . or the .. 989 * if . or .., this means no other entry may be written before first 990 * if 0, the new node may be inserted at the head 991 */ 992 993 TAILQ_FOREACH(cn, head, cn_next_child) { 994 /* 995 * Dont insert a node twice - 996 * that would cause an infinite loop 997 */ 998 if (cn_new == cn) 999 return; 1000 1001 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 1002 cn->isoDirRecord->name); 1003 1004 if (compare == 0) 1005 compare = cd9660_compare_filename(cn_new->node->name, 1006 cn->node->name); 1007 1008 if (compare < 0) 1009 break; 1010 } 1011 if (cn == NULL) 1012 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1013 else 1014 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1015 } 1016 1017 /* 1018 * Called After cd9660_sorted_child_insert 1019 * handles file collisions by suffixing each filname with ~n 1020 * where n represents the files respective place in the ordering 1021 */ 1022 static int 1023 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1024 int past) 1025 { 1026 cd9660node *iter, *next, *prev; 1027 int skip; 1028 int delete_chars = 0; 1029 int temp_past = past; 1030 int temp_skip; 1031 int flag = 0; 1032 cd9660node *end_of_range; 1033 1034 for (iter = TAILQ_FIRST(&colliding->cn_children); 1035 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1036 if (strcmp(iter->isoDirRecord->name, 1037 next->isoDirRecord->name) != 0) { 1038 iter = TAILQ_NEXT(iter, cn_next_child); 1039 continue; 1040 } 1041 flag = 1; 1042 temp_skip = skip = cd9660_count_collisions(iter); 1043 end_of_range = iter; 1044 while (temp_skip > 0) { 1045 temp_skip--; 1046 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1047 } 1048 temp_past = past; 1049 while (temp_past > 0) { 1050 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1051 end_of_range = next; 1052 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1053 iter = prev; 1054 else 1055 delete_chars++; 1056 temp_past--; 1057 } 1058 skip += past; 1059 iter = cd9660_rename_filename(diskStructure, iter, skip, 1060 delete_chars); 1061 } 1062 return flag; 1063 } 1064 1065 1066 static cd9660node * 1067 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1068 int delete_chars) 1069 { 1070 int i = 0; 1071 int numbts, digit, digits, temp, powers, count; 1072 char *naming; 1073 int maxlength; 1074 char *tmp; 1075 1076 if (diskStructure->verbose_level > 0) 1077 printf("Rename_filename called\n"); 1078 1079 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1080 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1081 if (diskStructure->isoLevel == 1) 1082 maxlength = 8; 1083 else if (diskStructure->isoLevel == 2) 1084 maxlength = 31; 1085 else 1086 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1087 1088 tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1089 1090 while (i < num && iter) { 1091 powers = 1; 1092 count = 0; 1093 digits = 1; 1094 while (((int)(i / powers) ) >= 10) { 1095 digits++; 1096 powers = powers * 10; 1097 } 1098 1099 naming = iter->o_name; 1100 1101 /* 1102 while ((*naming != '.') && (*naming != ';')) { 1103 naming++; 1104 count++; 1105 } 1106 */ 1107 1108 while (count < maxlength) { 1109 if (*naming == ';') 1110 break; 1111 naming++; 1112 count++; 1113 } 1114 1115 if ((count + digits) < maxlength) 1116 numbts = count; 1117 else 1118 numbts = maxlength - (digits); 1119 numbts -= delete_chars; 1120 1121 /* 8.3 rules - keep the extension, add before the dot */ 1122 1123 /* 1124 * This code makes a bunch of assumptions. 1125 * See if you can spot them all :) 1126 */ 1127 1128 /* 1129 if (diskStructure->isoLevel == 1) { 1130 numbts = 8 - digits - delete_chars; 1131 if (dot < 0) { 1132 1133 } else { 1134 if (dot < 8) { 1135 memmove(&tmp[numbts],&tmp[dot],4); 1136 } 1137 } 1138 } 1139 */ 1140 1141 /* (copying just the filename before the '.' */ 1142 memcpy(tmp, (iter->o_name), numbts); 1143 1144 /* adding the appropriate number following the name */ 1145 temp = i; 1146 while (digits > 0) { 1147 digit = (int)(temp / powers); 1148 temp = temp - digit * powers; 1149 sprintf(&tmp[numbts] , "%d", digit); 1150 digits--; 1151 numbts++; 1152 powers = powers / 10; 1153 } 1154 1155 while ((*naming != ';') && (numbts < maxlength)) { 1156 tmp[numbts] = (*naming); 1157 naming++; 1158 numbts++; 1159 } 1160 1161 tmp[numbts] = ';'; 1162 tmp[numbts+1] = '1'; 1163 tmp[numbts+2] = '\0'; 1164 1165 /* 1166 * now tmp has exactly the identifier 1167 * we want so we'll copy it back to record 1168 */ 1169 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1170 1171 iter = TAILQ_NEXT(iter, cn_next_child); 1172 i++; 1173 } 1174 1175 free(tmp); 1176 return iter; 1177 } 1178 1179 /* Todo: Figure out why these functions are nec. */ 1180 static void 1181 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1182 { 1183 cd9660node *cn; 1184 1185 if (TAILQ_EMPTY(&node->cn_children)) 1186 return; 1187 1188 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1189 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1190 exit(1); 1191 } 1192 1193 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1194 cd9660_copy_filenames(diskStructure, cn); 1195 memcpy(cn->o_name, cn->isoDirRecord->name, 1196 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1197 } 1198 } 1199 1200 static void 1201 cd9660_sorting_nodes(cd9660node *node) 1202 { 1203 cd9660node *cn; 1204 1205 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1206 cd9660_sorting_nodes(cn); 1207 cd9660_sort_nodes(node); 1208 } 1209 1210 /* XXX Bubble sort. */ 1211 static void 1212 cd9660_sort_nodes(cd9660node *node) 1213 { 1214 cd9660node *cn, *next; 1215 1216 do { 1217 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1218 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1219 return; 1220 else if (strcmp(next->isoDirRecord->name, 1221 cn->isoDirRecord->name) >= 0) 1222 continue; 1223 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1224 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1225 break; 1226 } 1227 } while (cn != NULL); 1228 } 1229 1230 static int 1231 cd9660_count_collisions(cd9660node *copy) 1232 { 1233 int count = 0; 1234 cd9660node *iter, *next; 1235 1236 for (iter = copy; 1237 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1238 iter = next) { 1239 if (cd9660_compare_filename(iter->isoDirRecord->name, 1240 next->isoDirRecord->name) == 0) 1241 count++; 1242 else 1243 return count; 1244 } 1245 #if 0 1246 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1247 printf("cd9660_recurse_on_collision: count is %i \n", count); 1248 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1249 next->isoDirRecord->name); 1250 if (compare == 0) { 1251 count++; 1252 return cd9660_recurse_on_collision(next, count); 1253 } else 1254 return count; 1255 } 1256 #endif 1257 return count; 1258 } 1259 1260 static cd9660node * 1261 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1262 { 1263 char newname[9]; 1264 cd9660node *tfile; 1265 1266 /* 1267 * This function needs to: 1268 * 1) Create an empty virtual file in place of the old directory 1269 * 2) Point the virtual file to the new directory 1270 * 3) Point the relocated directory to its old parent 1271 * 4) Move the directory specified by dir into rr_moved_dir, 1272 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1273 */ 1274 1275 /* First see if the moved directory even exists */ 1276 if (diskStructure->rr_moved_dir == NULL) { 1277 diskStructure->rr_moved_dir = cd9660_create_directory( 1278 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1279 diskStructure->rootNode, dir); 1280 if (diskStructure->rr_moved_dir == NULL) 1281 return 0; 1282 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1283 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1284 } 1285 1286 /* Create a file with the same ORIGINAL name */ 1287 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1288 dir); 1289 if (tfile == NULL) 1290 return NULL; 1291 1292 diskStructure->rock_ridge_move_count++; 1293 snprintf(newname, sizeof(newname), "%08i", 1294 diskStructure->rock_ridge_move_count); 1295 1296 /* Point to old parent */ 1297 dir->rr_real_parent = dir->parent; 1298 1299 /* Place the placeholder file */ 1300 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1301 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1302 cn_next_child); 1303 } else { 1304 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1305 } 1306 1307 /* Point to new parent */ 1308 dir->parent = diskStructure->rr_moved_dir; 1309 1310 /* Point the file to the moved directory */ 1311 tfile->rr_relocated = dir; 1312 1313 /* Actually move the directory */ 1314 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1315 1316 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1317 1318 /* Set the new name */ 1319 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1320 strncpy(dir->isoDirRecord->name, newname, 8); 1321 dir->isoDirRecord->length[0] = 34 + 8; 1322 dir->isoDirRecord->name_len[0] = 8; 1323 1324 return dir; 1325 } 1326 1327 static int 1328 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1329 { 1330 struct cd9660_children_head *head = &root->cn_children; 1331 cd9660node *cn; 1332 1333 TAILQ_FOREACH(cn, head, cn_next_child) { 1334 if ((cn->type & CD9660_TYPE_DIR) == 0) 1335 continue; 1336 /* Recursion first */ 1337 cd9660_add_dot_records(diskStructure, cn); 1338 } 1339 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1340 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1341 root); 1342 return 1; 1343 } 1344 1345 /* 1346 * Convert node to cd9660 structure 1347 * This function is designed to be called recursively on the root node of 1348 * the filesystem 1349 * Lots of recursion going on here, want to make sure it is efficient 1350 * @param struct fsnode * The root node to be converted 1351 * @param struct cd9660* The parent node (should not be NULL) 1352 * @param int Current directory depth 1353 * @param int* Running count of the number of directories that are being created 1354 */ 1355 static void 1356 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1357 cd9660node *parent_node, int level, int *numDirectories, int *error) 1358 { 1359 fsnode *iterator = root; 1360 cd9660node *this_node; 1361 int working_level; 1362 int add; 1363 int flag = 0; 1364 int counter = 0; 1365 1366 /* 1367 * Newer, more efficient method, reduces recursion depth 1368 */ 1369 if (root == NULL) { 1370 warnx("%s: root is null\n", __func__); 1371 return; 1372 } 1373 1374 /* Test for an empty directory - makefs still gives us the . record */ 1375 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1376 && (root->name[1] == '\0')) { 1377 root = root->next; 1378 if (root == NULL) 1379 return; 1380 } 1381 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1382 CD9660_MEM_ALLOC_ERROR(__func__); 1383 } 1384 1385 /* 1386 * To reduce the number of recursive calls, we will iterate over 1387 * the next pointers to the right. 1388 */ 1389 while (iterator != NULL) { 1390 add = 1; 1391 /* 1392 * Increment the directory count if this is a directory 1393 * Ignore "." entries. We will generate them later 1394 */ 1395 if (!S_ISDIR(iterator->type) || 1396 strcmp(iterator->name, ".") != 0) { 1397 1398 /* Translate the node, including its filename */ 1399 this_node->parent = parent_node; 1400 cd9660_translate_node(diskStructure, iterator, 1401 this_node); 1402 this_node->level = level; 1403 1404 if (S_ISDIR(iterator->type)) { 1405 (*numDirectories)++; 1406 this_node->type = CD9660_TYPE_DIR; 1407 working_level = level + 1; 1408 1409 /* 1410 * If at level 8, directory would be at 8 1411 * and have children at 9 which is not 1412 * allowed as per ISO spec 1413 */ 1414 if (level == 8) { 1415 if ((!diskStructure->allow_deep_trees) && 1416 (!diskStructure->rock_ridge_enabled)) { 1417 warnx("error: found entry " 1418 "with depth greater " 1419 "than 8."); 1420 (*error) = 1; 1421 return; 1422 } else if (diskStructure-> 1423 rock_ridge_enabled) { 1424 working_level = 3; 1425 /* 1426 * Moved directory is actually 1427 * at level 2. 1428 */ 1429 this_node->level = 1430 working_level - 1; 1431 if (cd9660_rrip_move_directory( 1432 diskStructure, 1433 this_node) == NULL) { 1434 warnx("Failure in " 1435 "cd9660_rrip_" 1436 "move_directory" 1437 ); 1438 (*error) = 1; 1439 return; 1440 } 1441 add = 0; 1442 } 1443 } 1444 1445 /* Do the recursive call on the children */ 1446 if (iterator->child != NULL) { 1447 cd9660_convert_structure(diskStructure, 1448 iterator->child, this_node, 1449 working_level, 1450 numDirectories, error); 1451 1452 if ((*error) == 1) { 1453 warnx("%s: Error on recursive " 1454 "call", __func__); 1455 return; 1456 } 1457 } 1458 1459 } else { 1460 /* Only directories should have children */ 1461 assert(iterator->child == NULL); 1462 1463 this_node->type = CD9660_TYPE_FILE; 1464 } 1465 1466 /* 1467 * Finally, do a sorted insert 1468 */ 1469 if (add) { 1470 cd9660_sorted_child_insert( 1471 parent_node, this_node); 1472 } 1473 1474 /*Allocate new temp_node */ 1475 if (iterator->next != NULL) { 1476 this_node = cd9660_allocate_cd9660node(); 1477 if (this_node == NULL) 1478 CD9660_MEM_ALLOC_ERROR(__func__); 1479 } 1480 } 1481 iterator = iterator->next; 1482 } 1483 1484 /* cd9660_handle_collisions(first_node); */ 1485 1486 /* TODO: need cleanup */ 1487 cd9660_copy_filenames(diskStructure, parent_node); 1488 1489 do { 1490 flag = cd9660_handle_collisions(diskStructure, parent_node, 1491 counter); 1492 counter++; 1493 cd9660_sorting_nodes(parent_node); 1494 } while ((flag == 1) && (counter < 100)); 1495 } 1496 1497 /* 1498 * Clean up the cd9660node tree 1499 * This is designed to be called recursively on the root node 1500 * @param struct cd9660node *root The node to free 1501 * @returns void 1502 */ 1503 static void 1504 cd9660_free_structure(cd9660node *root) 1505 { 1506 cd9660node *cn; 1507 1508 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1509 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1510 cd9660_free_structure(cn); 1511 } 1512 free(root); 1513 } 1514 1515 /* 1516 * Be a little more memory conservative: 1517 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1518 * just create a temporary structure 1519 */ 1520 struct ptq_entry 1521 { 1522 TAILQ_ENTRY(ptq_entry) ptq; 1523 cd9660node *node; 1524 } *n; 1525 1526 #define PTQUEUE_NEW(n,s,r,t){\ 1527 n = malloc(sizeof(struct s)); \ 1528 if (n == NULL) \ 1529 return r; \ 1530 n->node = t;\ 1531 } 1532 1533 /* 1534 * Generate the path tables 1535 * The specific implementation of this function is left as an exercise to the 1536 * programmer. It could be done recursively. Make sure you read how the path 1537 * table has to be laid out, it has levels. 1538 * @param struct iso9660_disk *disk The disk image 1539 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1540 */ 1541 static int 1542 cd9660_generate_path_table(iso9660_disk *diskStructure) 1543 { 1544 cd9660node *cn, *dirNode = diskStructure->rootNode; 1545 cd9660node *last = dirNode; 1546 int pathTableSize = 0; /* computed as we go */ 1547 int counter = 1; /* root gets a count of 0 */ 1548 1549 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1550 TAILQ_INIT(&pt_head); 1551 1552 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1553 1554 /* Push the root node */ 1555 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1556 1557 /* Breadth-first traversal of file structure */ 1558 while (pt_head.tqh_first != 0) { 1559 n = pt_head.tqh_first; 1560 dirNode = n->node; 1561 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1562 free(n); 1563 1564 /* Update the size */ 1565 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1566 + dirNode->isoDirRecord->name_len[0]+ 1567 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1568 /* includes the padding bit */ 1569 1570 dirNode->ptnumber=counter; 1571 if (dirNode != last) { 1572 last->ptnext = dirNode; 1573 dirNode->ptprev = last; 1574 } 1575 last = dirNode; 1576 1577 /* Push children onto queue */ 1578 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1579 /* 1580 * Dont add the DOT and DOTDOT types to the path 1581 * table. 1582 */ 1583 if ((cn->type != CD9660_TYPE_DOT) 1584 && (cn->type != CD9660_TYPE_DOTDOT)) { 1585 1586 if (S_ISDIR(cn->node->type)) { 1587 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1588 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1589 } 1590 } 1591 } 1592 counter++; 1593 } 1594 return pathTableSize; 1595 } 1596 1597 void 1598 cd9660_compute_full_filename(cd9660node *node, char *buf) 1599 { 1600 int len; 1601 1602 len = CD9660MAXPATH + 1; 1603 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1604 node->node->path, node->node->name); 1605 if (len > CD9660MAXPATH) 1606 errx(1, "Pathname too long."); 1607 } 1608 1609 /* NEW filename conversion method */ 1610 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1611 char *, int); 1612 1613 1614 /* 1615 * TODO: These two functions are almost identical. 1616 * Some code cleanup is possible here 1617 * 1618 * XXX bounds checking! 1619 */ 1620 static int 1621 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1622 char *newname, int is_file) 1623 { 1624 /* 1625 * ISO 9660 : 10.1 1626 * File Name shall not contain more than 8 d or d1 characters 1627 * File Name Extension shall not contain more than 3 d or d1 characters 1628 * Directory Identifier shall not contain more than 8 d or d1 characters 1629 */ 1630 int namelen = 0; 1631 int extlen = 0; 1632 int found_ext = 0; 1633 1634 while (*oldname != '\0' && extlen < 3) { 1635 /* Handle period first, as it is special */ 1636 if (*oldname == '.') { 1637 if (found_ext) { 1638 *newname++ = '_'; 1639 extlen ++; 1640 } 1641 else { 1642 *newname++ = '.'; 1643 found_ext = 1; 1644 } 1645 } else { 1646 /* cut RISC OS file type off ISO name */ 1647 if (diskStructure->archimedes_enabled && 1648 *oldname == ',' && strlen(oldname) == 4) 1649 break; 1650 1651 /* Enforce 12.3 / 8 */ 1652 if (namelen == 8 && !found_ext) 1653 break; 1654 1655 if (islower((unsigned char)*oldname)) 1656 *newname++ = toupper((unsigned char)*oldname); 1657 else if (isupper((unsigned char)*oldname) 1658 || isdigit((unsigned char)*oldname)) 1659 *newname++ = *oldname; 1660 else 1661 *newname++ = '_'; 1662 1663 if (found_ext) 1664 extlen++; 1665 else 1666 namelen++; 1667 } 1668 oldname++; 1669 } 1670 if (is_file) { 1671 if (!found_ext && !diskStructure->omit_trailing_period) 1672 *newname++ = '.'; 1673 /* Add version */ 1674 sprintf(newname, ";%i", 1); 1675 } 1676 return namelen + extlen + found_ext; 1677 } 1678 1679 /* XXX bounds checking! */ 1680 static int 1681 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1682 char *newname, int is_file) 1683 { 1684 /* 1685 * ISO 9660 : 7.5.1 1686 * File name : 0+ d or d1 characters 1687 * separator 1 (.) 1688 * File name extension : 0+ d or d1 characters 1689 * separator 2 (;) 1690 * File version number (5 characters, 1-32767) 1691 * 1 <= Sum of File name and File name extension <= 30 1692 */ 1693 int namelen = 0; 1694 int extlen = 0; 1695 int found_ext = 0; 1696 1697 while (*oldname != '\0' && namelen + extlen < 30) { 1698 /* Handle period first, as it is special */ 1699 if (*oldname == '.') { 1700 if (found_ext) { 1701 if (diskStructure->allow_multidot) { 1702 *newname++ = '.'; 1703 } else { 1704 *newname++ = '_'; 1705 } 1706 extlen ++; 1707 } 1708 else { 1709 *newname++ = '.'; 1710 found_ext = 1; 1711 } 1712 } else { 1713 /* cut RISC OS file type off ISO name */ 1714 if (diskStructure->archimedes_enabled && 1715 *oldname == ',' && strlen(oldname) == 4) 1716 break; 1717 1718 if (islower((unsigned char)*oldname)) 1719 *newname++ = toupper((unsigned char)*oldname); 1720 else if (isupper((unsigned char)*oldname) || 1721 isdigit((unsigned char)*oldname)) 1722 *newname++ = *oldname; 1723 else if (diskStructure->allow_multidot && 1724 *oldname == '.') { 1725 *newname++ = '.'; 1726 } else { 1727 *newname++ = '_'; 1728 } 1729 1730 if (found_ext) 1731 extlen++; 1732 else 1733 namelen++; 1734 } 1735 oldname ++; 1736 } 1737 if (is_file) { 1738 if (!found_ext && !diskStructure->omit_trailing_period) 1739 *newname++ = '.'; 1740 /* Add version */ 1741 sprintf(newname, ";%i", 1); 1742 } 1743 return namelen + extlen + found_ext; 1744 } 1745 1746 #if 0 1747 static int 1748 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1749 char *newname, int is_file) 1750 { 1751 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1752 } 1753 #endif 1754 1755 1756 /* 1757 * Convert a file name to ISO compliant file name 1758 * @param char * oldname The original filename 1759 * @param char ** newname The new file name, in the appropriate character 1760 * set and of appropriate length 1761 * @param int 1 if file, 0 if directory 1762 * @returns int The length of the new string 1763 */ 1764 static int 1765 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1766 char *newname, int is_file) 1767 { 1768 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1769 /* NEW */ 1770 cd9660_filename_conversion_functor conversion_function = NULL; 1771 if (diskStructure->isoLevel == 1) 1772 conversion_function = &cd9660_level1_convert_filename; 1773 else if (diskStructure->isoLevel == 2) 1774 conversion_function = &cd9660_level2_convert_filename; 1775 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1776 } 1777 1778 int 1779 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1780 { 1781 int size = node->isoDirRecord->length[0]; 1782 1783 if (diskStructure->rock_ridge_enabled) 1784 size += node->susp_entry_size; 1785 size += node->su_tail_size; 1786 size += size & 1; /* Ensure length of record is even. */ 1787 assert(size <= 254); 1788 return size; 1789 } 1790 1791 static void 1792 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1793 { 1794 node->dot_record->fileDataSector = node->fileDataSector; 1795 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1796 node->dot_record->isoDirRecord->name_len[0] = 1; 1797 node->dot_record->isoDirRecord->name[0] = 0; 1798 node->dot_record->isoDirRecord->name[1] = 0; 1799 node->dot_record->isoDirRecord->length[0] = 34; 1800 node->dot_record->fileRecordSize = 1801 cd9660_compute_record_size(diskStructure, node->dot_record); 1802 1803 if (node == diskStructure->rootNode) { 1804 node->dot_dot_record->fileDataSector = node->fileDataSector; 1805 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1806 34); 1807 } else { 1808 node->dot_dot_record->fileDataSector = 1809 node->parent->fileDataSector; 1810 memcpy(node->dot_dot_record->isoDirRecord, 1811 node->parent->isoDirRecord,34); 1812 } 1813 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1814 node->dot_dot_record->isoDirRecord->name[0] = 1; 1815 node->dot_dot_record->isoDirRecord->name[1] = 0; 1816 node->dot_dot_record->isoDirRecord->length[0] = 34; 1817 node->dot_dot_record->fileRecordSize = 1818 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1819 } 1820 1821 /* 1822 * @param struct cd9660node *node The node 1823 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1824 * @returns int The total size of files and directory entries (should be 1825 * a multiple of sector size) 1826 */ 1827 static int64_t 1828 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1829 int64_t startOffset) 1830 { 1831 /* 1832 * This function needs to compute the size of directory records and 1833 * runs, file lengths, and set the appropriate variables both in 1834 * cd9660node and isoDirEntry 1835 */ 1836 int64_t used_bytes = 0; 1837 int64_t current_sector_usage = 0; 1838 cd9660node *child; 1839 fsinode *inode; 1840 int64_t r; 1841 1842 assert(node != NULL); 1843 1844 1845 /* 1846 * NOTE : There needs to be some special case detection for 1847 * the "real root" node, since for it, node->node is undefined 1848 */ 1849 1850 node->fileDataSector = -1; 1851 1852 if (node->type & CD9660_TYPE_DIR) { 1853 node->fileRecordSize = cd9660_compute_record_size( 1854 diskStructure, node); 1855 /*Set what sector this directory starts in*/ 1856 node->fileDataSector = 1857 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1858 1859 cd9660_bothendian_dword(node->fileDataSector, 1860 node->isoDirRecord->extent); 1861 1862 /* 1863 * First loop over children, need to know the size of 1864 * their directory records 1865 */ 1866 node->fileSectorsUsed = 1; 1867 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1868 node->fileDataLength += 1869 cd9660_compute_record_size(diskStructure, child); 1870 if ((cd9660_compute_record_size(diskStructure, child) + 1871 current_sector_usage) >= 1872 diskStructure->sectorSize) { 1873 current_sector_usage = 0; 1874 node->fileSectorsUsed++; 1875 } 1876 1877 current_sector_usage += 1878 cd9660_compute_record_size(diskStructure, child); 1879 } 1880 1881 cd9660_bothendian_dword(node->fileSectorsUsed * 1882 diskStructure->sectorSize,node->isoDirRecord->size); 1883 1884 /* 1885 * This should point to the sector after the directory 1886 * record (or, the first byte in that sector) 1887 */ 1888 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1889 1890 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1891 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1892 /* Directories need recursive call */ 1893 if (S_ISDIR(child->node->type)) { 1894 r = cd9660_compute_offsets(diskStructure, child, 1895 used_bytes + startOffset); 1896 1897 if (r != -1) 1898 used_bytes += r; 1899 else 1900 return -1; 1901 } 1902 } 1903 1904 /* Explicitly set the . and .. records */ 1905 cd9660_populate_dot_records(diskStructure, node); 1906 1907 /* Finally, do another iteration to write the file data*/ 1908 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1909 child != NULL; 1910 child = TAILQ_NEXT(child, cn_next_child)) { 1911 /* Files need extent set */ 1912 if (S_ISDIR(child->node->type)) 1913 continue; 1914 child->fileRecordSize = 1915 cd9660_compute_record_size(diskStructure, child); 1916 1917 child->fileSectorsUsed = 1918 CD9660_BLOCKS(diskStructure->sectorSize, 1919 child->fileDataLength); 1920 1921 inode = child->node->inode; 1922 if ((inode->flags & FI_ALLOCATED) == 0) { 1923 inode->ino = 1924 CD9660_BLOCKS(diskStructure->sectorSize, 1925 used_bytes + startOffset); 1926 inode->flags |= FI_ALLOCATED; 1927 used_bytes += child->fileSectorsUsed * 1928 diskStructure->sectorSize; 1929 } else { 1930 INODE_WARNX(("%s: already allocated inode %d " 1931 "data sectors at %" PRIu32, __func__, 1932 (int)inode->st.st_ino, inode->ino)); 1933 } 1934 child->fileDataSector = inode->ino; 1935 cd9660_bothendian_dword(child->fileDataSector, 1936 child->isoDirRecord->extent); 1937 } 1938 } 1939 1940 return used_bytes; 1941 } 1942 1943 #if 0 1944 /* Might get rid of this func */ 1945 static int 1946 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1947 { 1948 to->node->inode->st.st_dev = 0; 1949 to->node->inode->st.st_ino = 0; 1950 to->node->inode->st.st_size = 0; 1951 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1952 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1953 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1954 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1955 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1956 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1957 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1958 /* Clear out type */ 1959 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1960 if (file) 1961 to->node->inode->st.st_mode |= S_IFREG; 1962 else 1963 to->node->inode->st.st_mode |= S_IFDIR; 1964 return 1; 1965 } 1966 #endif 1967 1968 static cd9660node * 1969 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1970 cd9660node *parent, int file, int insert) 1971 { 1972 cd9660node *temp; 1973 fsnode * tfsnode; 1974 1975 assert(parent != NULL); 1976 1977 temp = cd9660_allocate_cd9660node(); 1978 if (temp == NULL) 1979 return NULL; 1980 1981 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1982 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1983 return NULL; 1984 } 1985 1986 /* Assume for now name is a valid length */ 1987 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1988 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1989 return NULL; 1990 } 1991 1992 if ((temp->isoDirRecord = 1993 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1994 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1995 return NULL; 1996 } 1997 1998 strcpy(tfsnode->name, name); 1999 2000 cd9660_convert_filename(diskStructure, tfsnode->name, 2001 temp->isoDirRecord->name, file); 2002 2003 temp->node = tfsnode; 2004 temp->parent = parent; 2005 2006 if (insert) { 2007 if (temp->parent != NULL) { 2008 temp->level = temp->parent->level + 1; 2009 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 2010 cd9660_sorted_child_insert(temp->parent, temp); 2011 else 2012 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 2013 temp, cn_next_child); 2014 } 2015 } 2016 2017 if (parent->node != NULL) { 2018 tfsnode->type = parent->node->type; 2019 } 2020 2021 /* Clear out file type bits */ 2022 tfsnode->type &= ~(S_IFMT); 2023 if (file) 2024 tfsnode->type |= S_IFREG; 2025 else 2026 tfsnode->type |= S_IFDIR; 2027 2028 /* Indicate that there is no spec entry (inode) */ 2029 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2030 #if 0 2031 cd9660_copy_stat_info(parent, temp, file); 2032 #endif 2033 return temp; 2034 } 2035 2036 static cd9660node * 2037 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2038 cd9660node *parent, cd9660node *me) 2039 { 2040 cd9660node *temp; 2041 2042 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2043 if (temp == NULL) 2044 return NULL; 2045 2046 temp->fileDataLength = 0; 2047 2048 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2049 2050 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2051 return NULL; 2052 *temp->node->inode = *me->node->inode; 2053 2054 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2055 return NULL; 2056 return temp; 2057 } 2058 2059 /* 2060 * Create a new directory which does not exist on disk 2061 * @param const char * name The name to assign to the directory 2062 * @param const char * parent Pointer to the parent directory 2063 * @returns cd9660node * Pointer to the new directory 2064 */ 2065 static cd9660node * 2066 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2067 cd9660node *parent, cd9660node *me) 2068 { 2069 cd9660node *temp; 2070 2071 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2072 if (temp == NULL) 2073 return NULL; 2074 temp->node->type |= S_IFDIR; 2075 2076 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2077 2078 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2079 return NULL; 2080 *temp->node->inode = *me->node->inode; 2081 2082 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2083 return NULL; 2084 return temp; 2085 } 2086 2087 static cd9660node * 2088 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2089 cd9660node *parent) 2090 { 2091 cd9660node *temp, *first; 2092 char na[2]; 2093 2094 assert(parent != NULL); 2095 2096 if (type == CD9660_TYPE_DOT) 2097 na[0] = 0; 2098 else if (type == CD9660_TYPE_DOTDOT) 2099 na[0] = 1; 2100 else 2101 return 0; 2102 2103 na[1] = 0; 2104 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2105 0, 0)) == NULL) 2106 return NULL; 2107 2108 temp->parent = parent; 2109 temp->type = type; 2110 temp->isoDirRecord->length[0] = 34; 2111 /* Dot record is always first */ 2112 if (type == CD9660_TYPE_DOT) { 2113 parent->dot_record = temp; 2114 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2115 /* DotDot should be second */ 2116 } else if (type == CD9660_TYPE_DOTDOT) { 2117 parent->dot_dot_record = temp; 2118 /* 2119 * If the first child is the dot record, insert 2120 * this second. Otherwise, insert it at the head. 2121 */ 2122 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2123 (first->type & CD9660_TYPE_DOT) == 0) { 2124 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2125 cn_next_child); 2126 } else { 2127 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2128 cn_next_child); 2129 } 2130 } 2131 2132 return temp; 2133 } 2134 2135 int 2136 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2137 { 2138 struct stat stbuf; 2139 2140 assert(bootimage != NULL); 2141 2142 if (*bootimage == '\0') { 2143 warnx("Error: Boot image must be a filename"); 2144 return 0; 2145 } 2146 2147 if ((diskStructure->generic_bootimage = strdup(bootimage)) == NULL) { 2148 warn("%s: strdup", __func__); 2149 return 0; 2150 } 2151 2152 /* Get information about the file */ 2153 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2154 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2155 diskStructure->generic_bootimage); 2156 2157 if (stbuf.st_size > 32768) { 2158 warnx("Error: Boot image must be no greater than 32768 bytes"); 2159 return 0; 2160 } 2161 2162 if (diskStructure->verbose_level > 0) { 2163 printf("Generic boot image image has size %lld\n", 2164 (long long)stbuf.st_size); 2165 } 2166 2167 diskStructure->has_generic_bootimage = 1; 2168 2169 return 1; 2170 } 2171