cd9660.c revision 1.20
1 /* $NetBSD: cd9660.c,v 1.20 2008/05/10 19:00:07 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34 /* 35 * Copyright (c) 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Luke Mewburn for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68 /* 69 * Copyright (c) 1982, 1986, 1989, 1993 70 * The Regents of the University of California. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 */ 97 98 #if HAVE_NBTOOL_CONFIG_H 99 #include "nbtool_config.h" 100 #else 101 #include <sys/mount.h> 102 #endif 103 104 #include <sys/cdefs.h> 105 #if defined(__RCSID) && !defined(__lint) 106 __RCSID("$NetBSD: cd9660.c,v 1.20 2008/05/10 19:00:07 skrll Exp $"); 107 #endif /* !__lint */ 108 109 #include <string.h> 110 #include <ctype.h> 111 #include <sys/param.h> 112 #include <sys/queue.h> 113 114 #include "makefs.h" 115 #include "cd9660.h" 116 #include "cd9660/iso9660_rrip.h" 117 118 /* 119 * Global variables 120 */ 121 iso9660_disk diskStructure; 122 123 static void cd9660_finalize_PVD(void); 124 static cd9660node *cd9660_allocate_cd9660node(void); 125 static void cd9660_set_defaults(void); 126 static int cd9660_arguments_set_string(const char *, const char *, int, 127 char, char *); 128 static void cd9660_populate_iso_dir_record( 129 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 130 const char *); 131 static void cd9660_setup_root_node(void); 132 static int cd9660_setup_volume_descriptors(void); 133 #if 0 134 static int cd9660_fill_extended_attribute_record(cd9660node *); 135 #endif 136 static void cd9660_sort_nodes(cd9660node *); 137 static int cd9960_translate_node_common(cd9660node *); 138 static int cd9660_translate_node(fsnode *, cd9660node *); 139 static int cd9660_compare_filename(const char *, const char *); 140 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 141 static int cd9660_handle_collisions(cd9660node *, int); 142 static cd9660node *cd9660_rename_filename(cd9660node *, int, int); 143 static void cd9660_copy_filenames(cd9660node *); 144 static void cd9660_sorting_nodes(cd9660node *); 145 static int cd9660_count_collisions(cd9660node *); 146 static cd9660node *cd9660_rrip_move_directory(cd9660node *); 147 static int cd9660_add_dot_records(cd9660node *); 148 149 static void cd9660_convert_structure(fsnode *, cd9660node *, int, 150 int *, int *); 151 static void cd9660_free_structure(cd9660node *); 152 static int cd9660_generate_path_table(void); 153 static int cd9660_level1_convert_filename(const char *, char *, int); 154 static int cd9660_level2_convert_filename(const char *, char *, int); 155 #if 0 156 static int cd9660_joliet_convert_filename(const char *, char *, int); 157 #endif 158 static int cd9660_convert_filename(const char *, char *, int); 159 static void cd9660_populate_dot_records(cd9660node *); 160 static int cd9660_compute_offsets(cd9660node *, int); 161 #if 0 162 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 163 #endif 164 static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int, 165 int); 166 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *); 167 static cd9660node *cd9660_create_directory(const char *, cd9660node *, 168 cd9660node *); 169 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *); 170 171 172 /* 173 * Allocate and initalize a cd9660node 174 * @returns struct cd9660node * Pointer to new node, or NULL on error 175 */ 176 static cd9660node * 177 cd9660_allocate_cd9660node(void) 178 { 179 cd9660node *temp; 180 181 if ((temp = calloc(1, sizeof(cd9660node))) == NULL) 182 err(EXIT_FAILURE, "%s: calloc", __func__); 183 TAILQ_INIT(&temp->cn_children); 184 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 185 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 186 temp->node = NULL; 187 temp->isoDirRecord = NULL; 188 temp->isoExtAttributes = NULL; 189 temp->rr_real_parent = temp->rr_relocated = NULL; 190 return temp; 191 } 192 193 int cd9660_defaults_set = 0; 194 195 /** 196 * Set default values for cd9660 extension to makefs 197 */ 198 static void 199 cd9660_set_defaults(void) 200 { 201 /*Fix the sector size for now, though the spec allows for other sizes*/ 202 diskStructure.sectorSize = 2048; 203 204 /* Set up defaults in our own structure */ 205 diskStructure.verbose_level = 0; 206 diskStructure.keep_bad_images = 0; 207 diskStructure.follow_sym_links = 0; 208 diskStructure.isoLevel = 2; 209 210 diskStructure.rock_ridge_enabled = 0; 211 diskStructure.rock_ridge_renamed_dir_name = 0; 212 diskStructure.rock_ridge_move_count = 0; 213 diskStructure.rr_moved_dir = 0; 214 215 diskStructure.include_padding_areas = 1; 216 217 /* Spec breaking functionality */ 218 diskStructure.allow_deep_trees = 219 diskStructure.allow_start_dot = 220 diskStructure.allow_max_name = 221 diskStructure.allow_illegal_chars = 222 diskStructure.allow_lowercase = 223 diskStructure.allow_multidot = 224 diskStructure.omit_trailing_period = 0; 225 226 /* Make sure the PVD is clear */ 227 memset(&diskStructure.primaryDescriptor, 0, 2048); 228 229 memset(diskStructure.primaryDescriptor.volume_set_id, 0x20,32); 230 memset(diskStructure.primaryDescriptor.publisher_id, 0x20,128); 231 memset(diskStructure.primaryDescriptor.preparer_id, 0x20,128); 232 memset(diskStructure.primaryDescriptor.application_id, 0x20,128); 233 memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,128); 234 memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,128); 235 memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,128); 236 237 strcpy(diskStructure.primaryDescriptor.system_id,"NetBSD"); 238 239 cd9660_defaults_set = 1; 240 241 /* Boot support: Initially disabled */ 242 diskStructure.has_generic_bootimage = 0; 243 diskStructure.generic_bootimage = NULL; 244 245 diskStructure.boot_image_directory = 0; 246 /*memset(diskStructure.boot_descriptor, 0, 2048);*/ 247 248 diskStructure.is_bootable = 0; 249 TAILQ_INIT(&diskStructure.boot_images); 250 LIST_INIT(&diskStructure.boot_entries); 251 } 252 253 void 254 cd9660_prep_opts(fsinfo_t *fsopts __unused) 255 { 256 cd9660_set_defaults(); 257 } 258 259 void 260 cd9660_cleanup_opts(fsinfo_t *fsopts __unused) 261 { 262 263 } 264 265 static int 266 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 267 char testmode, char * dest) 268 { 269 int len, test; 270 271 if (val == NULL) 272 warnx("error: The %s requires a string argument", fieldtitle); 273 else if ((len = strlen(val)) <= length) { 274 if (testmode == 'd') 275 test = cd9660_valid_d_chars(val); 276 else 277 test = cd9660_valid_a_chars(val); 278 if (test) { 279 memcpy(dest, val, len); 280 if (test == 2) 281 cd9660_uppercase_characters(dest, len); 282 return 1; 283 } else 284 warnx("error: The %s must be composed of " 285 "%c-characters", fieldtitle, testmode); 286 } else 287 warnx("error: The %s must be at most 32 characters long", 288 fieldtitle); 289 return 0; 290 } 291 292 /* 293 * Command-line parsing function 294 */ 295 296 int 297 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 298 { 299 char *var, *val; 300 int rv; 301 /* Set up allowed options - integer options ONLY */ 302 option_t cd9660_options[] = { 303 { "l", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 304 { "isolevel", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 305 { "verbose", &diskStructure.verbose_level, 0, 2, 306 "Turns on verbose output" }, 307 { "v", &diskStructure.verbose_level, 0 , 2, 308 "Turns on verbose output"}, 309 { .name = NULL } 310 }; 311 312 if (cd9660_defaults_set == 0) 313 cd9660_set_defaults(); 314 315 /* 316 * Todo : finish implementing this, and make a function that 317 * parses them 318 */ 319 /* 320 string_option_t cd9660_string_options[] = { 321 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS }, 322 { NULL } 323 } 324 */ 325 326 assert(option != NULL); 327 assert(fsopts != NULL); 328 329 if (debug & DEBUG_FS_PARSE_OPTS) 330 printf("cd9660_parse_opts: got `%s'\n", option); 331 332 if ((var = strdup(option)) == NULL) 333 err(1, "allocating memory for copy of option string"); 334 rv = 1; 335 336 val = strchr(var, '='); 337 if (val != NULL) 338 *val++ = '\0'; 339 340 /* First handle options with no parameters */ 341 if (strcmp(var, "h") == 0) { 342 diskStructure.displayHelp = 1; 343 rv = 1; 344 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) { 345 /* this is not handled yet */ 346 diskStructure.follow_sym_links = 1; 347 rv = 1; 348 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) { 349 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd', 350 diskStructure.primaryDescriptor.volume_id); 351 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) { 352 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a', 353 diskStructure.primaryDescriptor.application_id); 354 } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) { 355 rv = cd9660_arguments_set_string(val, "Publisher Identifier", 356 128, 'a', diskStructure.primaryDescriptor.publisher_id); 357 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) { 358 rv = cd9660_arguments_set_string(val, "Preparer Identifier", 359 128, 'a', diskStructure.primaryDescriptor.preparer_id); 360 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) { 361 rv = cd9660_arguments_set_string(val, "Volume Set Identifier", 362 128, 'a', diskStructure.primaryDescriptor.volume_set_id); 363 /* Boot options */ 364 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) { 365 if (val == NULL) 366 warnx("error: The Boot Image parameter requires a valid boot information string"); 367 else 368 rv = cd9660_add_boot_disk(val); 369 } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) { 370 /* 371 * XXXfvdl this is unused. 372 */ 373 if (val == NULL) 374 errx(1, "error: The Boot Image Directory parameter" 375 " requires a directory name\n"); 376 else { 377 if ((diskStructure.boot_image_directory = 378 malloc(strlen(val) + 1)) == NULL) { 379 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts"); 380 exit(1); 381 } 382 383 /* BIG TODO: Add the max length function here */ 384 cd9660_arguments_set_string(val, "Boot Image Directory", 385 12 , 'd', diskStructure.boot_image_directory); 386 } 387 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) { 388 if (val == NULL) 389 warnx("error: The Boot Image parameter requires a valid boot information string"); 390 else 391 rv = cd9660_add_generic_bootimage(val); 392 } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding")) 393 diskStructure.include_padding_areas = 0; 394 /* RRIP */ 395 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge")) 396 diskStructure.rock_ridge_enabled = 1; 397 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images")) 398 diskStructure.keep_bad_images = 1; 399 else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees")) 400 diskStructure.allow_deep_trees = 1; 401 else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name")) 402 diskStructure.allow_max_name = 1; 403 else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars")) 404 diskStructure.allow_illegal_chars = 1; 405 else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase")) 406 diskStructure.allow_lowercase = 1; 407 else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot")) 408 diskStructure.allow_multidot = 1; 409 else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period")) 410 diskStructure.omit_trailing_period = 1; 411 else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") || 412 CD9660_IS_COMMAND_ARG(var, "no-boot") || 413 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) { 414 cd9660_eltorito_add_boot_option(var, 0); 415 416 /* End of flag variables */ 417 } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) { 418 if (val == NULL) { 419 warnx("Option `%s' doesn't contain a value", var); 420 rv = 0; 421 } else { 422 cd9660_eltorito_add_boot_option(var, val); 423 } 424 } else 425 rv = set_option(cd9660_options, var, val); 426 427 if (var) 428 free(var); 429 return (rv); 430 } 431 432 /* 433 * Main function for cd9660_makefs 434 * Builds the ISO image file 435 * @param const char *image The image filename to create 436 * @param const char *dir The directory that is being read 437 * @param struct fsnode *root The root node of the filesystem tree 438 * @param struct fsinfo_t *fsopts Any options 439 */ 440 void 441 cd9660_makefs(const char *image, const char *dir, fsnode *root, 442 fsinfo_t *fsopts) 443 { 444 int startoffset; 445 int numDirectories; 446 int pathTableSectors; 447 int firstAvailableSector; 448 int totalSpace; 449 int error; 450 cd9660node *real_root; 451 452 if (diskStructure.verbose_level > 0) 453 printf("cd9660_makefs: ISO level is %i\n", 454 diskStructure.isoLevel); 455 456 assert(image != NULL); 457 assert(dir != NULL); 458 assert(root != NULL); 459 assert(fsopts != NULL); 460 461 if (diskStructure.displayHelp) { 462 /* 463 * Display help here - probably want to put it in 464 * a separate function 465 */ 466 return; 467 } 468 469 diskStructure.rootFilesystemPath = dir; 470 471 if (diskStructure.verbose_level > 0) 472 printf("cd9660_makefs: image %s directory %s root %p\n", 473 image, dir, root); 474 475 /* Set up some constants. Later, these will be defined with options */ 476 477 /* Counter needed for path tables */ 478 numDirectories = 0; 479 480 /* Convert tree to our own format */ 481 /* Actually, we now need to add the REAL root node, at level 0 */ 482 483 real_root = cd9660_allocate_cd9660node(); 484 if ((real_root->isoDirRecord = 485 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 486 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 487 exit(1); 488 } 489 490 /* Leave filename blank for root */ 491 memset(real_root->isoDirRecord->name, 0, 492 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 493 494 real_root->level = 0; 495 diskStructure.rootNode = real_root; 496 real_root->type = CD9660_TYPE_DIR; 497 error = 0; 498 real_root->node = root; 499 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error); 500 501 if (TAILQ_EMPTY(&real_root->cn_children)) { 502 errx(1, "cd9660_makefs: converted directory is empty. " 503 "Tree conversion failed\n"); 504 } else if (error != 0) { 505 errx(1, "cd9660_makefs: tree conversion failed\n"); 506 } else { 507 if (diskStructure.verbose_level > 0) 508 printf("cd9660_makefs: tree converted\n"); 509 } 510 511 /* Add the dot and dot dot records */ 512 cd9660_add_dot_records(real_root); 513 514 cd9660_setup_root_node(); 515 516 if (diskStructure.verbose_level > 0) 517 printf("cd9660_makefs: done converting tree\n"); 518 519 /* Rock ridge / SUSP init pass */ 520 if (diskStructure.rock_ridge_enabled) { 521 cd9660_susp_initialize(diskStructure.rootNode, 522 diskStructure.rootNode, NULL); 523 } 524 525 /* Build path table structure */ 526 diskStructure.pathTableLength = cd9660_generate_path_table(); 527 528 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize, 529 diskStructure.pathTableLength); 530 531 firstAvailableSector = cd9660_setup_volume_descriptors(); 532 if (diskStructure.is_bootable) { 533 firstAvailableSector = cd9660_setup_boot(firstAvailableSector); 534 if (firstAvailableSector < 0) 535 errx(1, "setup_boot failed"); 536 } 537 /* LE first, then BE */ 538 diskStructure.primaryLittleEndianTableSector = firstAvailableSector; 539 diskStructure.primaryBigEndianTableSector = 540 diskStructure.primaryLittleEndianTableSector + pathTableSectors; 541 542 /* Set the secondary ones to -1, not going to use them for now */ 543 diskStructure.secondaryBigEndianTableSector = -1; 544 diskStructure.secondaryLittleEndianTableSector = -1; 545 546 diskStructure.dataFirstSector = 547 diskStructure.primaryBigEndianTableSector + pathTableSectors; 548 if (diskStructure.verbose_level > 0) 549 printf("cd9660_makefs: Path table conversion complete. " 550 "Each table is %i bytes, or %i sectors.\n", 551 diskStructure.pathTableLength, pathTableSectors); 552 553 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector; 554 555 totalSpace = cd9660_compute_offsets(real_root, startoffset); 556 557 diskStructure.totalSectors = diskStructure.dataFirstSector + 558 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace); 559 560 /* Disabled until pass 1 is done */ 561 if (diskStructure.rock_ridge_enabled) { 562 diskStructure.susp_continuation_area_start_sector = 563 diskStructure.totalSectors; 564 diskStructure.totalSectors += 565 CD9660_BLOCKS(diskStructure.sectorSize, 566 diskStructure.susp_continuation_area_size); 567 cd9660_susp_finalize(diskStructure.rootNode); 568 } 569 570 571 cd9660_finalize_PVD(); 572 573 /* Add padding sectors, just for testing purposes right now */ 574 /* diskStructure.totalSectors+=150; */ 575 576 /* Debugging output */ 577 if (diskStructure.verbose_level > 0) { 578 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 579 printf("cd9660_makefs: Primary path tables starts in sector %i\n", 580 diskStructure.primaryLittleEndianTableSector); 581 printf("cd9660_makefs: File data starts in sector %i\n", 582 diskStructure.dataFirstSector); 583 printf("cd9660_makefs: Total sectors: %i\n",diskStructure.totalSectors); 584 } 585 586 /* 587 * Add padding sectors at the end 588 * TODO: Clean this up and separate padding 589 */ 590 if (diskStructure.include_padding_areas) 591 diskStructure.totalSectors += 150; 592 593 cd9660_write_image(image); 594 595 if (diskStructure.verbose_level > 1) { 596 debug_print_volume_descriptor_information(); 597 debug_print_tree(real_root,0); 598 debug_print_path_tree(real_root); 599 } 600 601 /* Clean up data structures */ 602 cd9660_free_structure(real_root); 603 604 if (diskStructure.verbose_level > 0) 605 printf("cd9660_makefs: done\n"); 606 } 607 608 /* Generic function pointer - implement later */ 609 typedef int (*cd9660node_func)(cd9660node *); 610 611 static void 612 cd9660_finalize_PVD(void) 613 { 614 time_t tim; 615 unsigned char *temp; 616 617 /* Copy the root directory record */ 618 temp = (unsigned char *) &diskStructure.primaryDescriptor; 619 620 /* root should be a fixed size of 34 bytes since it has no name */ 621 memcpy(diskStructure.primaryDescriptor.root_directory_record, 622 diskStructure.rootNode->dot_record->isoDirRecord, 34); 623 624 /* In RRIP, this might be longer than 34 */ 625 diskStructure.primaryDescriptor.root_directory_record[0] = 34; 626 627 /* Set up all the important numbers in the PVD */ 628 cd9660_bothendian_dword(diskStructure.totalSectors, 629 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size); 630 cd9660_bothendian_word(1, 631 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size); 632 cd9660_bothendian_word(1, 633 (unsigned char *) 634 diskStructure.primaryDescriptor.volume_sequence_number); 635 cd9660_bothendian_word(diskStructure.sectorSize, 636 (unsigned char *) 637 diskStructure.primaryDescriptor.logical_block_size); 638 cd9660_bothendian_dword(diskStructure.pathTableLength, 639 (unsigned char *)diskStructure.primaryDescriptor.path_table_size); 640 641 cd9660_731(diskStructure.primaryLittleEndianTableSector, 642 (u_char *)diskStructure.primaryDescriptor.type_l_path_table); 643 cd9660_732(diskStructure.primaryBigEndianTableSector, 644 (u_char *)diskStructure.primaryDescriptor.type_m_path_table); 645 646 diskStructure.primaryDescriptor.file_structure_version[0] = 1; 647 648 /* Pad all strings with spaces instead of nulls */ 649 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32); 650 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32); 651 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id, 652 128); 653 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id, 654 128); 655 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id, 656 128); 657 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id, 658 128); 659 cd9660_pad_string_spaces( 660 diskStructure.primaryDescriptor.copyright_file_id, 128); 661 cd9660_pad_string_spaces( 662 diskStructure.primaryDescriptor.abstract_file_id, 128); 663 cd9660_pad_string_spaces( 664 diskStructure.primaryDescriptor.bibliographic_file_id, 128); 665 666 /* Setup dates */ 667 time(&tim); 668 cd9660_time_8426( 669 (unsigned char *)diskStructure.primaryDescriptor.creation_date, 670 tim); 671 cd9660_time_8426( 672 (unsigned char *)diskStructure.primaryDescriptor.modification_date, 673 tim); 674 675 /* 676 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now); 677 */ 678 679 memset(diskStructure.primaryDescriptor.expiration_date, '0' ,17); 680 cd9660_time_8426( 681 (unsigned char *)diskStructure.primaryDescriptor.effective_date, 682 tim); 683 } 684 685 static void 686 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 687 u_char ext_attr_length, u_char flags, 688 u_char name_len, const char * name) 689 { 690 record->ext_attr_length[0] = ext_attr_length; 691 record->flags[0] = ISO_FLAG_CLEAR | flags; 692 record->file_unit_size[0] = 0; 693 record->interleave[0] = 0; 694 cd9660_bothendian_word(1, record->volume_sequence_number); 695 record->name_len[0] = name_len; 696 memcpy(record->name, name, name_len); 697 record->length[0] = 33 + name_len; 698 699 /* Todo : better rounding */ 700 record->length[0] += (record->length[0] & 1) ? 1 : 0; 701 } 702 703 static void 704 cd9660_setup_root_node(void) 705 { 706 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord, 707 0, ISO_FLAG_DIRECTORY, 1, "\0"); 708 709 } 710 711 /*********** SUPPORT FUNCTIONS ***********/ 712 static int 713 cd9660_setup_volume_descriptors(void) 714 { 715 /* Boot volume descriptor should come second */ 716 int sector = 16; 717 /* For now, a fixed 2 : PVD and terminator */ 718 volume_descriptor *temp, *t; 719 720 /* Set up the PVD */ 721 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 722 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 723 exit(1); 724 } 725 726 temp->volumeDescriptorData = 727 (unsigned char *)&diskStructure.primaryDescriptor; 728 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 729 temp->volumeDescriptorData[6] = 1; 730 temp->sector = sector; 731 memcpy(temp->volumeDescriptorData + 1, 732 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 733 diskStructure.firstVolumeDescriptor = temp; 734 735 sector++; 736 /* Set up boot support if enabled. BVD must reside in sector 17 */ 737 if (diskStructure.is_bootable) { 738 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 739 CD9660_MEM_ALLOC_ERROR( 740 "cd9660_setup_volume_descriptors"); 741 exit(1); 742 } 743 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 744 CD9660_MEM_ALLOC_ERROR( 745 "cd9660_setup_volume_descriptors"); 746 exit(1); 747 } 748 temp->next = t; 749 temp = t; 750 memset(t->volumeDescriptorData, 0, 2048); 751 t->sector = 17; 752 if (diskStructure.verbose_level > 0) 753 printf("Setting up boot volume descriptor\n"); 754 cd9660_setup_boot_volume_descritpor(t); 755 sector++; 756 } 757 758 /* Set up the terminator */ 759 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 760 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 761 exit(1); 762 } 763 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 764 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 765 exit(1); 766 } 767 768 temp->next = t; 769 memset(t->volumeDescriptorData, 0, 2048); 770 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 771 t->next = 0; 772 t->volumeDescriptorData[6] = 1; 773 t->sector = sector; 774 memcpy(t->volumeDescriptorData + 1, 775 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 776 777 sector++; 778 return sector; 779 } 780 781 #if 0 782 /* 783 * Populate EAR at some point. Not required, but is used by NetBSD's 784 * cd9660 support 785 */ 786 static int 787 cd9660_fill_extended_attribute_record(cd9660node *node) 788 { 789 if ((node->isoExtAttributes = 790 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 791 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 792 exit(1); 793 }; 794 795 return 1; 796 } 797 #endif 798 799 static int 800 cd9960_translate_node_common(cd9660node *newnode) 801 { 802 time_t tim; 803 int test; 804 u_char flag; 805 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 806 807 /* Now populate the isoDirRecord structure */ 808 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 809 810 test = cd9660_convert_filename(newnode->node->name, 811 temp, !(S_ISDIR(newnode->node->type))); 812 813 flag = ISO_FLAG_CLEAR; 814 if (S_ISDIR(newnode->node->type)) 815 flag |= ISO_FLAG_DIRECTORY; 816 817 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 818 flag, strlen(temp), temp); 819 820 /* Set the various dates */ 821 822 /* If we want to use the current date and time */ 823 time(&tim); 824 825 cd9660_time_915(newnode->isoDirRecord->date, tim); 826 827 cd9660_bothendian_dword(newnode->fileDataLength, 828 newnode->isoDirRecord->size); 829 /* If the file is a link, we want to set the size to 0 */ 830 if (S_ISLNK(newnode->node->type)) 831 newnode->fileDataLength = 0; 832 833 return 1; 834 } 835 836 /* 837 * Translate fsnode to cd9960node 838 * Translate filenames and other metadata, including dates, sizes, 839 * permissions, etc 840 * @param struct fsnode * The node generated by makefs 841 * @param struct cd9660node * The intermediate node to be written to 842 * @returns int 0 on failure, 1 on success 843 */ 844 static int 845 cd9660_translate_node(fsnode *node, cd9660node *newnode) 846 { 847 if (node == NULL) { 848 if (diskStructure.verbose_level > 0) 849 printf("cd9660_translate_node: NULL node passed, " 850 "returning\n"); 851 return 0; 852 } 853 if ((newnode->isoDirRecord = 854 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 855 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 856 return 0; 857 } 858 859 /* Set the node pointer */ 860 newnode->node = node; 861 862 /* Set the size */ 863 if (!(S_ISDIR(node->type))) 864 newnode->fileDataLength = node->inode->st.st_size; 865 866 if (cd9960_translate_node_common(newnode) == 0) 867 return 0; 868 869 /* Finally, overwrite some of the values that are set by default */ 870 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 871 872 return 1; 873 } 874 875 /* 876 * Compares two ISO filenames 877 * @param const char * The first file name 878 * @param const char * The second file name 879 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 880 * the second is greater than the first 881 */ 882 static int 883 cd9660_compare_filename(const char *first, const char *second) 884 { 885 /* 886 * This can be made more optimal once it has been tested 887 * (the extra character, for example, is for testing) 888 */ 889 890 int p1 = 0; 891 int p2 = 0; 892 char c1, c2; 893 /* First, on the filename */ 894 895 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 896 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 897 c1 = first[p1]; 898 c2 = second[p2]; 899 if (c1 == '.' && c2 =='.') 900 break; 901 else if (c1 == '.') { 902 p2++; 903 c1 = ' '; 904 } else if (c2 == '.') { 905 p1++; 906 c2 = ' '; 907 } else { 908 p1++; 909 p2++; 910 } 911 912 if (c1 < c2) 913 return -1; 914 else if (c1 > c2) { 915 return 1; 916 } 917 } 918 919 if (first[p1] == '.' && second[p2] == '.') { 920 p1++; 921 p2++; 922 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 923 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 924 c1 = first[p1]; 925 c2 = second[p2]; 926 if (c1 == ';' && c2 == ';') 927 break; 928 else if (c1 == ';') { 929 p2++; 930 c1 = ' '; 931 } else if (c2 == ';') { 932 p1++; 933 c2 = ' '; 934 } else { 935 p1++; 936 p2++; 937 } 938 939 if (c1 < c2) 940 return -1; 941 else if (c1 > c2) 942 return 1; 943 } 944 } 945 return 0; 946 } 947 948 /* 949 * Insert a node into list with ISO sorting rules 950 * @param cd9660node * The head node of the list 951 * @param cd9660node * The node to be inserted 952 */ 953 static void 954 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 955 { 956 int compare; 957 cd9660node *cn; 958 struct cd9660_children_head *head = &parent->cn_children; 959 960 /* TODO: Optimize? */ 961 cn_new->parent = parent; 962 963 /* 964 * first will either be 0, the . or the .. 965 * if . or .., this means no other entry may be written before first 966 * if 0, the new node may be inserted at the head 967 */ 968 969 TAILQ_FOREACH(cn, head, cn_next_child) { 970 /* 971 * Dont insert a node twice - 972 * that would cause an infinite loop 973 */ 974 if (cn_new == cn) 975 return; 976 977 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 978 cn->isoDirRecord->name); 979 980 if (compare == 0) 981 compare = cd9660_compare_filename(cn_new->node->name, 982 cn->node->name); 983 984 if (compare < 0) 985 break; 986 } 987 if (cn == NULL) 988 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 989 else 990 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 991 } 992 993 /* 994 * Called After cd9660_sorted_child_insert 995 * handles file collisions by suffixing each filname with ~n 996 * where n represents the files respective place in the ordering 997 */ 998 static int 999 cd9660_handle_collisions(cd9660node *colliding, int past) 1000 { 1001 cd9660node *iter, *next, *prev; 1002 int skip; 1003 int delete_chars = 0; 1004 int temp_past = past; 1005 int temp_skip; 1006 int flag = 0; 1007 cd9660node *end_of_range; 1008 1009 for (iter = TAILQ_FIRST(&colliding->cn_children); 1010 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1011 if (strcmp(iter->isoDirRecord->name, 1012 next->isoDirRecord->name) != 0) { 1013 iter = TAILQ_NEXT(iter, cn_next_child); 1014 continue; 1015 } 1016 flag = 1; 1017 temp_skip = skip = cd9660_count_collisions(iter); 1018 end_of_range = iter; 1019 while (temp_skip > 0) { 1020 temp_skip--; 1021 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1022 } 1023 temp_past = past; 1024 while (temp_past > 0) { 1025 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1026 end_of_range = next; 1027 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1028 iter = prev; 1029 else 1030 delete_chars++; 1031 temp_past--; 1032 } 1033 skip += past; 1034 iter = cd9660_rename_filename(iter, skip, delete_chars); 1035 } 1036 return flag; 1037 } 1038 1039 1040 static cd9660node * 1041 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars) 1042 { 1043 int i = 0; 1044 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1045 char *naming; 1046 int maxlength; 1047 char *tmp; 1048 1049 if (diskStructure.verbose_level > 0) 1050 printf("Rename_filename called\n"); 1051 1052 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1053 if (diskStructure.isoLevel == 1) 1054 maxlength = 8; 1055 else if (diskStructure.isoLevel == 2) 1056 maxlength = 31; 1057 else 1058 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1059 1060 tmp = malloc(maxlength + 1); 1061 1062 while (i < num) { 1063 powers = 1; 1064 count = 0; 1065 digits = 1; 1066 multiplier = 1; 1067 while (((int)(i / powers) ) >= 10) { 1068 digits++; 1069 powers = powers * 10; 1070 } 1071 1072 naming = iter->o_name; 1073 1074 /* 1075 while ((*naming != '.') && (*naming != ';')) { 1076 naming++; 1077 count++; 1078 } 1079 */ 1080 1081 dot = -1; 1082 semi = -1; 1083 while (count < maxlength) { 1084 if (*naming == '.') 1085 dot = count; 1086 else if (*naming == ';') { 1087 semi = count; 1088 break; 1089 } 1090 naming++; 1091 count++; 1092 } 1093 1094 if ((count + digits) < maxlength) 1095 numbts = count; 1096 else 1097 numbts = maxlength - (digits); 1098 numbts -= delete_chars; 1099 1100 /* 8.3 rules - keep the extension, add before the dot */ 1101 1102 /* 1103 * This code makes a bunch of assumptions. 1104 * See if you can spot them all :) 1105 */ 1106 1107 /* 1108 if (diskStructure.isoLevel == 1) { 1109 numbts = 8 - digits - delete_chars; 1110 if (dot < 0) { 1111 1112 } else { 1113 if (dot < 8) { 1114 memmove(&tmp[numbts],&tmp[dot],4); 1115 } 1116 } 1117 } 1118 */ 1119 1120 /* (copying just the filename before the '.' */ 1121 memcpy(tmp, (iter->o_name), numbts); 1122 1123 /* adding the appropriate number following the name */ 1124 temp = i; 1125 while (digits > 0) { 1126 digit = (int)(temp / powers); 1127 temp = temp - digit * powers; 1128 sprintf(&tmp[numbts] , "%d", digit); 1129 digits--; 1130 numbts++; 1131 powers = powers / 10; 1132 } 1133 1134 while ((*naming != ';') && (numbts < maxlength)) { 1135 tmp[numbts] = (*naming); 1136 naming++; 1137 numbts++; 1138 } 1139 1140 tmp[numbts] = ';'; 1141 tmp[numbts+1] = '1'; 1142 1143 /* 1144 * now tmp has exactly the identifier 1145 * we want so we'll copy it back to record 1146 */ 1147 memcpy((iter->isoDirRecord->name), tmp, numbts + 2); 1148 1149 iter = TAILQ_NEXT(iter, cn_next_child); 1150 i++; 1151 } 1152 1153 free(tmp); 1154 return iter; 1155 } 1156 1157 /* Todo: Figure out why these functions are nec. */ 1158 static void 1159 cd9660_copy_filenames(cd9660node *node) 1160 { 1161 cd9660node *cn; 1162 1163 if (TAILQ_EMPTY(&node->cn_children)) 1164 return; 1165 1166 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1167 debug_print_tree(diskStructure.rootNode, 0); 1168 exit(1); 1169 } 1170 1171 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1172 cd9660_copy_filenames(cn); 1173 memcpy(cn->o_name, cn->isoDirRecord->name, 1174 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1175 } 1176 } 1177 1178 static void 1179 cd9660_sorting_nodes(cd9660node *node) 1180 { 1181 cd9660node *cn; 1182 1183 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1184 cd9660_sorting_nodes(cn); 1185 cd9660_sort_nodes(node); 1186 } 1187 1188 /* XXX Bubble sort. */ 1189 static void 1190 cd9660_sort_nodes(cd9660node *node) 1191 { 1192 cd9660node *cn, *next; 1193 1194 do { 1195 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1196 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1197 return; 1198 else if (strcmp(next->isoDirRecord->name, 1199 cn->isoDirRecord->name) >= 0) 1200 continue; 1201 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1202 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1203 break; 1204 } 1205 } while (cn != NULL); 1206 } 1207 1208 static int 1209 cd9660_count_collisions(cd9660node *copy) 1210 { 1211 int count = 0; 1212 cd9660node *iter, *next; 1213 1214 for (iter = copy; 1215 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1216 iter = next) { 1217 if (cd9660_compare_filename(iter->isoDirRecord->name, 1218 next->isoDirRecord->name) == 0) 1219 count++; 1220 else 1221 return count; 1222 } 1223 #if 0 1224 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1225 printf("cd9660_recurse_on_collision: count is %i \n", count); 1226 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1227 next->isoDirRecord->name); 1228 if (compare == 0) { 1229 count++; 1230 return cd9660_recurse_on_collision(next, count); 1231 } else 1232 return count; 1233 } 1234 #endif 1235 return count; 1236 } 1237 1238 static cd9660node * 1239 cd9660_rrip_move_directory(cd9660node *dir) 1240 { 1241 char newname[9]; 1242 cd9660node *tfile; 1243 1244 /* 1245 * This function needs to: 1246 * 1) Create an empty virtual file in place of the old directory 1247 * 2) Point the virtual file to the new directory 1248 * 3) Point the relocated directory to its old parent 1249 * 4) Move the directory specified by dir into rr_moved_dir, 1250 * and rename it to "diskStructure.rock_ridge_move_count" (as a string) 1251 */ 1252 1253 /* First see if the moved directory even exists */ 1254 if (diskStructure.rr_moved_dir == NULL) { 1255 diskStructure.rr_moved_dir = 1256 cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1257 diskStructure.rootNode, dir); 1258 if (diskStructure.rr_moved_dir == NULL) 1259 return 0; 1260 } 1261 1262 /* Create a file with the same ORIGINAL name */ 1263 tfile = cd9660_create_file(dir->node->name, dir->parent, dir); 1264 if (tfile == NULL) 1265 return NULL; 1266 1267 diskStructure.rock_ridge_move_count++; 1268 snprintf(newname, sizeof(newname), "%08i", 1269 diskStructure.rock_ridge_move_count); 1270 1271 /* Point to old parent */ 1272 dir->rr_real_parent = dir->parent; 1273 1274 /* Place the placeholder file */ 1275 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1276 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1277 cn_next_child); 1278 } else { 1279 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1280 } 1281 1282 /* Point to new parent */ 1283 dir->parent = diskStructure.rr_moved_dir; 1284 1285 /* Point the file to the moved directory */ 1286 tfile->rr_relocated = dir; 1287 1288 /* Actually move the directory */ 1289 cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir); 1290 1291 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1292 1293 /* Set the new name */ 1294 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1295 strncpy(dir->isoDirRecord->name, newname, 8); 1296 1297 return dir; 1298 } 1299 1300 static int 1301 cd9660_add_dot_records(cd9660node *root) 1302 { 1303 struct cd9660_children_head *head = &root->cn_children; 1304 cd9660node *cn; 1305 1306 TAILQ_FOREACH(cn, head, cn_next_child) { 1307 if ((cn->type & CD9660_TYPE_DIR) == 0) 1308 continue; 1309 /* Recursion first */ 1310 cd9660_add_dot_records(cn); 1311 } 1312 cd9660_create_special_directory(CD9660_TYPE_DOT, root); 1313 cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root); 1314 return 1; 1315 } 1316 1317 /* 1318 * Convert node to cd9660 structure 1319 * This function is designed to be called recursively on the root node of 1320 * the filesystem 1321 * Lots of recursion going on here, want to make sure it is efficient 1322 * @param struct fsnode * The root node to be converted 1323 * @param struct cd9660* The parent node (should not be NULL) 1324 * @param int Current directory depth 1325 * @param int* Running count of the number of directories that are being created 1326 */ 1327 static void 1328 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level, 1329 int *numDirectories, int *error) 1330 { 1331 fsnode *iterator = root; 1332 cd9660node *this_node; 1333 int working_level; 1334 int add; 1335 int flag = 0; 1336 int counter = 0; 1337 1338 /* 1339 * Newer, more efficient method, reduces recursion depth 1340 */ 1341 if (root == NULL) { 1342 warnx("%s: root is null\n", __func__); 1343 return; 1344 } 1345 1346 /* Test for an empty directory - makefs still gives us the . record */ 1347 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1348 && (root->name[1] == '\0')) { 1349 root = root->next; 1350 if (root == NULL) 1351 return; 1352 } 1353 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1354 CD9660_MEM_ALLOC_ERROR(__func__); 1355 } 1356 1357 /* 1358 * To reduce the number of recursive calls, we will iterate over 1359 * the next pointers to the right. 1360 */ 1361 while (iterator != NULL) { 1362 add = 1; 1363 /* 1364 * Increment the directory count if this is a directory 1365 * Ignore "." entries. We will generate them later 1366 */ 1367 if (!S_ISDIR(iterator->type) || 1368 strcmp(iterator->name, ".") != 0) { 1369 1370 /* Translate the node, including its filename */ 1371 this_node->parent = parent_node; 1372 cd9660_translate_node(iterator, this_node); 1373 this_node->level = level; 1374 1375 if (S_ISDIR(iterator->type)) { 1376 (*numDirectories)++; 1377 this_node->type = CD9660_TYPE_DIR; 1378 working_level = level + 1; 1379 1380 /* 1381 * If at level 8, directory would be at 8 1382 * and have children at 9 which is not 1383 * allowed as per ISO spec 1384 */ 1385 if (level == 8) { 1386 if ((!diskStructure.allow_deep_trees) && 1387 (!diskStructure.rock_ridge_enabled)) { 1388 warnx("error: found entry " 1389 "with depth greater " 1390 "than 8."); 1391 (*error) = 1; 1392 return; 1393 } else if (diskStructure. 1394 rock_ridge_enabled) { 1395 working_level = 3; 1396 /* 1397 * Moved directory is actually 1398 * at level 2. 1399 */ 1400 this_node->level = 1401 working_level - 1; 1402 if (cd9660_rrip_move_directory( 1403 this_node) == 0) { 1404 warnx("Failure in " 1405 "cd9660_rrip_" 1406 "move_directory" 1407 ); 1408 (*error) = 1; 1409 return; 1410 } 1411 add = 0; 1412 } 1413 } 1414 1415 /* Do the recursive call on the children */ 1416 if (iterator->child != 0) { 1417 cd9660_convert_structure( 1418 iterator->child, this_node, 1419 working_level, 1420 numDirectories, error); 1421 1422 if ((*error) == 1) { 1423 warnx("%s: Error on recursive " 1424 "call", __func__); 1425 return; 1426 } 1427 } 1428 1429 } else { 1430 /* Only directories should have children */ 1431 assert(iterator->child == NULL); 1432 1433 this_node->type = CD9660_TYPE_FILE; 1434 } 1435 1436 /* 1437 * Finally, do a sorted insert 1438 */ 1439 if (add) { 1440 cd9660_sorted_child_insert( 1441 parent_node, this_node); 1442 } 1443 1444 /*Allocate new temp_node */ 1445 if (iterator->next != 0) { 1446 this_node = cd9660_allocate_cd9660node(); 1447 if (this_node == NULL) 1448 CD9660_MEM_ALLOC_ERROR(__func__); 1449 } 1450 } 1451 iterator = iterator->next; 1452 } 1453 1454 /* cd9660_handle_collisions(first_node); */ 1455 1456 /* TODO: need cleanup */ 1457 cd9660_copy_filenames(parent_node); 1458 1459 do { 1460 flag = cd9660_handle_collisions(parent_node, counter); 1461 counter++; 1462 cd9660_sorting_nodes(parent_node); 1463 } while ((flag == 1) && (counter < 100)); 1464 } 1465 1466 /* 1467 * Clean up the cd9660node tree 1468 * This is designed to be called recursively on the root node 1469 * @param struct cd9660node *root The node to free 1470 * @returns void 1471 */ 1472 static void 1473 cd9660_free_structure(cd9660node *root) 1474 { 1475 cd9660node *cn; 1476 1477 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1478 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1479 cd9660_free_structure(cn); 1480 } 1481 free(root); 1482 } 1483 1484 /* 1485 * Be a little more memory conservative: 1486 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1487 * just create a temporary structure 1488 */ 1489 struct ptq_entry 1490 { 1491 TAILQ_ENTRY(ptq_entry) ptq; 1492 cd9660node *node; 1493 } *n; 1494 1495 #define PTQUEUE_NEW(n,s,r,t){\ 1496 n = malloc(sizeof(struct s)); \ 1497 if (n == NULL) \ 1498 return r; \ 1499 n->node = t;\ 1500 } 1501 1502 /* 1503 * Generate the path tables 1504 * The specific implementation of this function is left as an exercise to the 1505 * programmer. It could be done recursively. Make sure you read how the path 1506 * table has to be laid out, it has levels. 1507 * @param struct iso9660_disk *disk The disk image 1508 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1509 */ 1510 static int 1511 cd9660_generate_path_table(void) 1512 { 1513 cd9660node *cn, *dirNode = diskStructure.rootNode; 1514 cd9660node *last = dirNode; 1515 int pathTableSize = 0; /* computed as we go */ 1516 int counter = 1; /* root gets a count of 0 */ 1517 int parentRecNum = 0; /* root's parent is '0' */ 1518 1519 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1520 TAILQ_INIT(&pt_head); 1521 1522 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode); 1523 1524 /* Push the root node */ 1525 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1526 1527 /* Breadth-first traversal of file structure */ 1528 while (pt_head.tqh_first != 0) { 1529 n = pt_head.tqh_first; 1530 dirNode = n->node; 1531 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1532 free(n); 1533 1534 /* Update the size */ 1535 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1536 + dirNode->isoDirRecord->name_len[0]+ 1537 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1538 /* includes the padding bit */ 1539 1540 dirNode->ptnumber=counter; 1541 if (dirNode != last) { 1542 last->ptnext = dirNode; 1543 dirNode->ptprev = last; 1544 } 1545 last = dirNode; 1546 1547 parentRecNum = 1; 1548 if (dirNode->parent != 0) 1549 parentRecNum = dirNode->parent->ptnumber; 1550 1551 /* Push children onto queue */ 1552 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1553 /* 1554 * Dont add the DOT and DOTDOT types to the path 1555 * table. 1556 */ 1557 if ((cn->type != CD9660_TYPE_DOT) 1558 && (cn->type != CD9660_TYPE_DOTDOT)) { 1559 1560 if (S_ISDIR(cn->node->type)) { 1561 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1562 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1563 } 1564 } 1565 } 1566 counter++; 1567 } 1568 return pathTableSize; 1569 } 1570 1571 void 1572 cd9660_compute_full_filename(cd9660node *node, char *buf, int level) 1573 { 1574 cd9660node *parent; 1575 1576 parent = (node->rr_real_parent == NULL ? 1577 node->parent : node->rr_real_parent); 1578 if (parent != NULL) { 1579 cd9660_compute_full_filename(parent, buf, level + 1); 1580 strcat(buf, node->node->name); 1581 } else { 1582 /* We are at the root */ 1583 strcat(buf, diskStructure.rootFilesystemPath); 1584 if (buf[strlen(buf) - 1] == '/') 1585 buf[strlen(buf) - 1] = '\0'; 1586 } 1587 1588 if (level != 0) 1589 strcat(buf, "/"); 1590 } 1591 1592 /* NEW filename conversion method */ 1593 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int); 1594 1595 1596 /* 1597 * TODO: These two functions are almost identical. 1598 * Some code cleanup is possible here 1599 * 1600 * XXX bounds checking! 1601 */ 1602 static int 1603 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file) 1604 { 1605 /* 1606 * ISO 9660 : 10.1 1607 * File Name shall not contain more than 8 d or d1 characters 1608 * File Name Extension shall not contain more than 3 d or d1 characters 1609 * Directory Identifier shall not contain more than 8 d or d1 characters 1610 */ 1611 int namelen = 0; 1612 int extlen = 0; 1613 int found_ext = 0; 1614 1615 while (*oldname != '\0') { 1616 /* Handle period first, as it is special */ 1617 if (*oldname == '.') { 1618 if (found_ext) { 1619 *newname++ = '_'; 1620 extlen ++; 1621 } 1622 else { 1623 *newname++ = '.'; 1624 found_ext = 1; 1625 } 1626 } else { 1627 /* Enforce 12.3 / 8 */ 1628 if (((namelen == 8) && !found_ext) || 1629 (found_ext && extlen == 3)) { 1630 break; 1631 } 1632 1633 if (islower((unsigned char)*oldname)) 1634 *newname++ = toupper((unsigned char)*oldname); 1635 else if (isupper((unsigned char)*oldname) 1636 || isdigit((unsigned char)*oldname)) 1637 *newname++ = *oldname; 1638 else 1639 *newname++ = '_'; 1640 1641 if (found_ext) 1642 extlen++; 1643 else 1644 namelen++; 1645 } 1646 oldname ++; 1647 } 1648 if (is_file) { 1649 if (!found_ext && !diskStructure.omit_trailing_period) 1650 *newname++ = '.'; 1651 /* Add version */ 1652 sprintf(newname, ";%i", 1); 1653 } 1654 return namelen + extlen + found_ext; 1655 } 1656 1657 /* XXX bounds checking! */ 1658 static int 1659 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file) 1660 { 1661 /* 1662 * ISO 9660 : 7.5.1 1663 * File name : 0+ d or d1 characters 1664 * separator 1 (.) 1665 * File name extension : 0+ d or d1 characters 1666 * separator 2 (;) 1667 * File version number (5 characters, 1-32767) 1668 * 1 <= Sum of File name and File name extension <= 30 1669 */ 1670 int namelen = 0; 1671 int extlen = 0; 1672 int found_ext = 0; 1673 1674 while (*oldname != '\0') { 1675 /* Handle period first, as it is special */ 1676 if (*oldname == '.') { 1677 if (found_ext) { 1678 *newname++ = '_'; 1679 extlen ++; 1680 } 1681 else { 1682 *newname++ = '.'; 1683 found_ext = 1; 1684 } 1685 } else { 1686 if ((namelen + extlen) == 30) 1687 break; 1688 1689 if (islower((unsigned char)*oldname)) 1690 *newname++ = toupper((unsigned char)*oldname); 1691 else if (isupper((unsigned char)*oldname) || 1692 isdigit((unsigned char)*oldname)) 1693 *newname++ = *oldname; 1694 else 1695 *newname++ = '_'; 1696 1697 if (found_ext) 1698 extlen++; 1699 else 1700 namelen++; 1701 } 1702 oldname ++; 1703 } 1704 if (is_file) { 1705 if (!found_ext && !diskStructure.omit_trailing_period) 1706 *newname++ = '.'; 1707 /* Add version */ 1708 sprintf(newname, ";%i", 1); 1709 } 1710 return namelen + extlen + found_ext; 1711 } 1712 1713 #if 0 1714 static int 1715 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file) 1716 { 1717 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1718 } 1719 #endif 1720 1721 1722 /* 1723 * Convert a file name to ISO compliant file name 1724 * @param char * oldname The original filename 1725 * @param char ** newname The new file name, in the appropriate character 1726 * set and of appropriate length 1727 * @param int 1 if file, 0 if directory 1728 * @returns int The length of the new string 1729 */ 1730 static int 1731 cd9660_convert_filename(const char *oldname, char *newname, int is_file) 1732 { 1733 /* NEW */ 1734 cd9660_filename_conversion_functor conversion_function = 0; 1735 if (diskStructure.isoLevel == 1) 1736 conversion_function = &cd9660_level1_convert_filename; 1737 else if (diskStructure.isoLevel == 2) 1738 conversion_function = &cd9660_level2_convert_filename; 1739 return (*conversion_function)(oldname, newname, is_file); 1740 } 1741 1742 int 1743 cd9660_compute_record_size(cd9660node *node) 1744 { 1745 int size = node->isoDirRecord->length[0]; 1746 1747 if (diskStructure.rock_ridge_enabled) 1748 size += node->susp_entry_size; 1749 return size; 1750 } 1751 1752 static void 1753 cd9660_populate_dot_records(cd9660node *node) 1754 { 1755 node->dot_record->fileDataSector = node->fileDataSector; 1756 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1757 node->dot_record->isoDirRecord->name_len[0] = 1; 1758 node->dot_record->isoDirRecord->name[0] = 0; 1759 node->dot_record->isoDirRecord->name[1] = 0; 1760 node->dot_record->isoDirRecord->length[0] = 34; 1761 node->dot_record->fileRecordSize = 1762 cd9660_compute_record_size(node->dot_record); 1763 1764 if (node == diskStructure.rootNode) { 1765 node->dot_dot_record->fileDataSector = node->fileDataSector; 1766 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1767 34); 1768 } else { 1769 node->dot_dot_record->fileDataSector = 1770 node->parent->fileDataSector; 1771 memcpy(node->dot_dot_record->isoDirRecord, 1772 node->parent->isoDirRecord,34); 1773 } 1774 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1775 node->dot_dot_record->isoDirRecord->name[0] = 1; 1776 node->dot_dot_record->isoDirRecord->name[1] = 0; 1777 node->dot_dot_record->isoDirRecord->length[0] = 34; 1778 node->dot_dot_record->fileRecordSize = 1779 cd9660_compute_record_size(node->dot_dot_record); 1780 } 1781 1782 /* 1783 * @param struct cd9660node *node The node 1784 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1785 * @returns int The total size of files and directory entries (should be 1786 * a multiple of sector size) 1787 */ 1788 static int 1789 cd9660_compute_offsets(cd9660node *node, int startOffset) 1790 { 1791 /* 1792 * This function needs to compute the size of directory records and 1793 * runs, file lengths, and set the appropriate variables both in 1794 * cd9660node and isoDirEntry 1795 */ 1796 int used_bytes = 0; 1797 int current_sector_usage = 0; 1798 cd9660node *child; 1799 fsinode *inode; 1800 int r; 1801 1802 assert(node != NULL); 1803 1804 1805 /* 1806 * NOTE : There needs to be some special case detection for 1807 * the "real root" node, since for it, node->node is undefined 1808 */ 1809 1810 node->fileDataSector = -1; 1811 1812 if (node->type & CD9660_TYPE_DIR) { 1813 node->fileRecordSize = cd9660_compute_record_size(node); 1814 /*Set what sector this directory starts in*/ 1815 node->fileDataSector = 1816 CD9660_BLOCKS(diskStructure.sectorSize,startOffset); 1817 1818 cd9660_bothendian_dword(node->fileDataSector, 1819 node->isoDirRecord->extent); 1820 1821 /* 1822 * First loop over children, need to know the size of 1823 * their directory records 1824 */ 1825 node->fileSectorsUsed = 1; 1826 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1827 node->fileDataLength += 1828 cd9660_compute_record_size(child); 1829 if ((cd9660_compute_record_size(child) + 1830 current_sector_usage) >= 1831 diskStructure.sectorSize) { 1832 current_sector_usage = 0; 1833 node->fileSectorsUsed++; 1834 } 1835 1836 current_sector_usage += 1837 cd9660_compute_record_size(child); 1838 } 1839 1840 cd9660_bothendian_dword(node->fileSectorsUsed * 1841 diskStructure.sectorSize,node->isoDirRecord->size); 1842 1843 /* 1844 * This should point to the sector after the directory 1845 * record (or, the first byte in that sector) 1846 */ 1847 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize; 1848 1849 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1850 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1851 /* Directories need recursive call */ 1852 if (S_ISDIR(child->node->type)) { 1853 r = cd9660_compute_offsets(child, 1854 used_bytes + startOffset); 1855 1856 if (r != -1) 1857 used_bytes += r; 1858 else 1859 return -1; 1860 } 1861 } 1862 1863 /* Explicitly set the . and .. records */ 1864 cd9660_populate_dot_records(node); 1865 1866 /* Finally, do another iteration to write the file data*/ 1867 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1868 child != NULL; 1869 child = TAILQ_NEXT(child, cn_next_child)) { 1870 /* Files need extent set */ 1871 if (S_ISDIR(child->node->type)) 1872 continue; 1873 child->fileRecordSize = 1874 cd9660_compute_record_size(child); 1875 1876 child->fileSectorsUsed = 1877 CD9660_BLOCKS(diskStructure.sectorSize, 1878 child->fileDataLength); 1879 1880 inode = child->node->inode; 1881 if ((inode->flags & FI_ALLOCATED) == 0) { 1882 inode->ino = 1883 CD9660_BLOCKS(diskStructure.sectorSize, 1884 used_bytes + startOffset); 1885 inode->flags |= FI_ALLOCATED; 1886 used_bytes += child->fileSectorsUsed * 1887 diskStructure.sectorSize; 1888 } else { 1889 INODE_WARNX(("%s: already allocated inode %d " 1890 "data sectors at %" PRIu32, __func__, 1891 (int)inode->st.st_ino, inode->ino)); 1892 } 1893 child->fileDataSector = inode->ino; 1894 cd9660_bothendian_dword(child->fileDataSector, 1895 child->isoDirRecord->extent); 1896 } 1897 } 1898 1899 return used_bytes; 1900 } 1901 1902 #if 0 1903 /* Might get rid of this func */ 1904 static int 1905 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1906 { 1907 to->node->inode->st.st_dev = 0; 1908 to->node->inode->st.st_ino = 0; 1909 to->node->inode->st.st_size = 0; 1910 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1911 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1912 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1913 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1914 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1915 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1916 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1917 /* Clear out type */ 1918 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1919 if (file) 1920 to->node->inode->st.st_mode |= S_IFREG; 1921 else 1922 to->node->inode->st.st_mode |= S_IFDIR; 1923 return 1; 1924 } 1925 #endif 1926 1927 static cd9660node * 1928 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file, 1929 int insert) 1930 { 1931 cd9660node *temp; 1932 fsnode * tfsnode; 1933 1934 assert(parent != NULL); 1935 1936 temp = cd9660_allocate_cd9660node(); 1937 if (temp == NULL) 1938 return NULL; 1939 1940 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1941 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1942 return NULL; 1943 } 1944 1945 /* Assume for now name is a valid length */ 1946 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1947 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1948 return NULL; 1949 } 1950 1951 if ((temp->isoDirRecord = 1952 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1953 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1954 return NULL; 1955 } 1956 1957 strcpy(tfsnode->name, name); 1958 1959 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file); 1960 1961 temp->node = tfsnode; 1962 temp->parent = parent; 1963 1964 if (insert) { 1965 if (temp->parent != NULL) { 1966 temp->level = temp->parent->level + 1; 1967 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1968 cd9660_sorted_child_insert(temp->parent, temp); 1969 else 1970 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1971 temp, cn_next_child); 1972 } 1973 } 1974 1975 if (parent->node != NULL) { 1976 tfsnode->type = parent->node->type; 1977 } 1978 1979 /* Clear out file type bits */ 1980 tfsnode->type &= ~(S_IFMT); 1981 if (file) 1982 tfsnode->type |= S_IFREG; 1983 else 1984 tfsnode->type |= S_IFDIR; 1985 1986 /* Indicate that there is no spec entry (inode) */ 1987 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1988 #if 0 1989 cd9660_copy_stat_info(parent, temp, file); 1990 #endif 1991 return temp; 1992 } 1993 1994 static cd9660node * 1995 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me) 1996 { 1997 cd9660node *temp; 1998 1999 temp = cd9660_create_virtual_entry(name,parent,1,1); 2000 if (temp == NULL) 2001 return NULL; 2002 2003 temp->fileDataLength = 0; 2004 2005 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2006 2007 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2008 return NULL; 2009 *temp->node->inode = *me->node->inode; 2010 2011 if (cd9960_translate_node_common(temp) == 0) 2012 return NULL; 2013 return temp; 2014 } 2015 2016 /* 2017 * Create a new directory which does not exist on disk 2018 * @param const char * name The name to assign to the directory 2019 * @param const char * parent Pointer to the parent directory 2020 * @returns cd9660node * Pointer to the new directory 2021 */ 2022 static cd9660node * 2023 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me) 2024 { 2025 cd9660node *temp; 2026 2027 temp = cd9660_create_virtual_entry(name,parent,0,1); 2028 if (temp == NULL) 2029 return NULL; 2030 temp->node->type |= S_IFDIR; 2031 2032 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2033 2034 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2035 return NULL; 2036 *temp->node->inode = *me->node->inode; 2037 2038 if (cd9960_translate_node_common(temp) == 0) 2039 return NULL; 2040 return temp; 2041 } 2042 2043 static cd9660node * 2044 cd9660_create_special_directory(u_char type, cd9660node *parent) 2045 { 2046 cd9660node *temp, *first; 2047 char na[2]; 2048 2049 assert(parent != NULL); 2050 2051 if (type == CD9660_TYPE_DOT) 2052 na[0] = 0; 2053 else if (type == CD9660_TYPE_DOTDOT) 2054 na[0] = 1; 2055 else 2056 return 0; 2057 2058 na[1] = 0; 2059 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL) 2060 return NULL; 2061 2062 temp->parent = parent; 2063 temp->type = type; 2064 temp->isoDirRecord->length[0] = 34; 2065 /* Dot record is always first */ 2066 if (type == CD9660_TYPE_DOT) { 2067 parent->dot_record = temp; 2068 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2069 /* DotDot should be second */ 2070 } else if (type == CD9660_TYPE_DOTDOT) { 2071 parent->dot_dot_record = temp; 2072 /* 2073 * If the first child is the dot record, insert 2074 * this second. Otherwise, insert it at the head. 2075 */ 2076 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2077 (first->type & CD9660_TYPE_DOT) == 0) { 2078 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2079 cn_next_child); 2080 } else { 2081 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2082 cn_next_child); 2083 } 2084 } 2085 2086 return temp; 2087 } 2088 2089 int 2090 cd9660_add_generic_bootimage(const char *bootimage) 2091 { 2092 struct stat stbuf; 2093 2094 assert(bootimage != NULL); 2095 2096 if (*bootimage == '\0') { 2097 warnx("Error: Boot image must be a filename"); 2098 return 0; 2099 } 2100 2101 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) { 2102 warn("%s: strdup", __func__); 2103 return 0; 2104 } 2105 2106 /* Get information about the file */ 2107 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1) 2108 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2109 diskStructure.generic_bootimage); 2110 2111 if (stbuf.st_size > 32768) { 2112 warnx("Error: Boot image must be no greater than 32768 bytes"); 2113 return 0; 2114 } 2115 2116 if (diskStructure.verbose_level > 0) { 2117 printf("Generic boot image image has size %lld\n", 2118 (long long)stbuf.st_size); 2119 } 2120 2121 diskStructure.has_generic_bootimage = 1; 2122 2123 return 1; 2124 } 2125
Indexes created Wed Sep 24 05:09:52 GMT 2025