cd9660.c revision 1.23
1 /* $NetBSD: cd9660.c,v 1.23 2008/11/21 10:02:12 ad 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 1.23 2008/11/21 10:02:12 ad 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 if (diskStructure.isoLevel < 2 && 456 diskStructure.allow_multidot) 457 errx(1, "allow-multidot requires iso level of 2\n"); 458 459 assert(image != NULL); 460 assert(dir != NULL); 461 assert(root != NULL); 462 assert(fsopts != NULL); 463 464 if (diskStructure.displayHelp) { 465 /* 466 * Display help here - probably want to put it in 467 * a separate function 468 */ 469 return; 470 } 471 472 diskStructure.rootFilesystemPath = dir; 473 474 if (diskStructure.verbose_level > 0) 475 printf("cd9660_makefs: image %s directory %s root %p\n", 476 image, dir, root); 477 478 /* Set up some constants. Later, these will be defined with options */ 479 480 /* Counter needed for path tables */ 481 numDirectories = 0; 482 483 /* Convert tree to our own format */ 484 /* Actually, we now need to add the REAL root node, at level 0 */ 485 486 real_root = cd9660_allocate_cd9660node(); 487 if ((real_root->isoDirRecord = 488 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 489 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 490 exit(1); 491 } 492 493 /* Leave filename blank for root */ 494 memset(real_root->isoDirRecord->name, 0, 495 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 496 497 real_root->level = 0; 498 diskStructure.rootNode = real_root; 499 real_root->type = CD9660_TYPE_DIR; 500 error = 0; 501 real_root->node = root; 502 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error); 503 504 if (TAILQ_EMPTY(&real_root->cn_children)) { 505 errx(1, "cd9660_makefs: converted directory is empty. " 506 "Tree conversion failed\n"); 507 } else if (error != 0) { 508 errx(1, "cd9660_makefs: tree conversion failed\n"); 509 } else { 510 if (diskStructure.verbose_level > 0) 511 printf("cd9660_makefs: tree converted\n"); 512 } 513 514 /* Add the dot and dot dot records */ 515 cd9660_add_dot_records(real_root); 516 517 cd9660_setup_root_node(); 518 519 if (diskStructure.verbose_level > 0) 520 printf("cd9660_makefs: done converting tree\n"); 521 522 /* Rock ridge / SUSP init pass */ 523 if (diskStructure.rock_ridge_enabled) { 524 cd9660_susp_initialize(diskStructure.rootNode, 525 diskStructure.rootNode, NULL); 526 } 527 528 /* Build path table structure */ 529 diskStructure.pathTableLength = cd9660_generate_path_table(); 530 531 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize, 532 diskStructure.pathTableLength); 533 534 firstAvailableSector = cd9660_setup_volume_descriptors(); 535 if (diskStructure.is_bootable) { 536 firstAvailableSector = cd9660_setup_boot(firstAvailableSector); 537 if (firstAvailableSector < 0) 538 errx(1, "setup_boot failed"); 539 } 540 /* LE first, then BE */ 541 diskStructure.primaryLittleEndianTableSector = firstAvailableSector; 542 diskStructure.primaryBigEndianTableSector = 543 diskStructure.primaryLittleEndianTableSector + pathTableSectors; 544 545 /* Set the secondary ones to -1, not going to use them for now */ 546 diskStructure.secondaryBigEndianTableSector = -1; 547 diskStructure.secondaryLittleEndianTableSector = -1; 548 549 diskStructure.dataFirstSector = 550 diskStructure.primaryBigEndianTableSector + pathTableSectors; 551 if (diskStructure.verbose_level > 0) 552 printf("cd9660_makefs: Path table conversion complete. " 553 "Each table is %i bytes, or %i sectors.\n", 554 diskStructure.pathTableLength, pathTableSectors); 555 556 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector; 557 558 totalSpace = cd9660_compute_offsets(real_root, startoffset); 559 560 diskStructure.totalSectors = diskStructure.dataFirstSector + 561 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace); 562 563 /* Disabled until pass 1 is done */ 564 if (diskStructure.rock_ridge_enabled) { 565 diskStructure.susp_continuation_area_start_sector = 566 diskStructure.totalSectors; 567 diskStructure.totalSectors += 568 CD9660_BLOCKS(diskStructure.sectorSize, 569 diskStructure.susp_continuation_area_size); 570 cd9660_susp_finalize(diskStructure.rootNode); 571 } 572 573 574 cd9660_finalize_PVD(); 575 576 /* Add padding sectors, just for testing purposes right now */ 577 /* diskStructure.totalSectors+=150; */ 578 579 /* Debugging output */ 580 if (diskStructure.verbose_level > 0) { 581 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 582 printf("cd9660_makefs: Primary path tables starts in sector %i\n", 583 diskStructure.primaryLittleEndianTableSector); 584 printf("cd9660_makefs: File data starts in sector %i\n", 585 diskStructure.dataFirstSector); 586 printf("cd9660_makefs: Total sectors: %i\n",diskStructure.totalSectors); 587 } 588 589 /* 590 * Add padding sectors at the end 591 * TODO: Clean this up and separate padding 592 */ 593 if (diskStructure.include_padding_areas) 594 diskStructure.totalSectors += 150; 595 596 cd9660_write_image(image); 597 598 if (diskStructure.verbose_level > 1) { 599 debug_print_volume_descriptor_information(); 600 debug_print_tree(real_root,0); 601 debug_print_path_tree(real_root); 602 } 603 604 /* Clean up data structures */ 605 cd9660_free_structure(real_root); 606 607 if (diskStructure.verbose_level > 0) 608 printf("cd9660_makefs: done\n"); 609 } 610 611 /* Generic function pointer - implement later */ 612 typedef int (*cd9660node_func)(cd9660node *); 613 614 static void 615 cd9660_finalize_PVD(void) 616 { 617 time_t tim; 618 unsigned char *temp; 619 620 /* Copy the root directory record */ 621 temp = (unsigned char *) &diskStructure.primaryDescriptor; 622 623 /* root should be a fixed size of 34 bytes since it has no name */ 624 memcpy(diskStructure.primaryDescriptor.root_directory_record, 625 diskStructure.rootNode->dot_record->isoDirRecord, 34); 626 627 /* In RRIP, this might be longer than 34 */ 628 diskStructure.primaryDescriptor.root_directory_record[0] = 34; 629 630 /* Set up all the important numbers in the PVD */ 631 cd9660_bothendian_dword(diskStructure.totalSectors, 632 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size); 633 cd9660_bothendian_word(1, 634 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size); 635 cd9660_bothendian_word(1, 636 (unsigned char *) 637 diskStructure.primaryDescriptor.volume_sequence_number); 638 cd9660_bothendian_word(diskStructure.sectorSize, 639 (unsigned char *) 640 diskStructure.primaryDescriptor.logical_block_size); 641 cd9660_bothendian_dword(diskStructure.pathTableLength, 642 (unsigned char *)diskStructure.primaryDescriptor.path_table_size); 643 644 cd9660_731(diskStructure.primaryLittleEndianTableSector, 645 (u_char *)diskStructure.primaryDescriptor.type_l_path_table); 646 cd9660_732(diskStructure.primaryBigEndianTableSector, 647 (u_char *)diskStructure.primaryDescriptor.type_m_path_table); 648 649 diskStructure.primaryDescriptor.file_structure_version[0] = 1; 650 651 /* Pad all strings with spaces instead of nulls */ 652 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32); 653 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32); 654 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id, 655 128); 656 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id, 657 128); 658 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id, 659 128); 660 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id, 661 128); 662 cd9660_pad_string_spaces( 663 diskStructure.primaryDescriptor.copyright_file_id, 128); 664 cd9660_pad_string_spaces( 665 diskStructure.primaryDescriptor.abstract_file_id, 128); 666 cd9660_pad_string_spaces( 667 diskStructure.primaryDescriptor.bibliographic_file_id, 128); 668 669 /* Setup dates */ 670 time(&tim); 671 cd9660_time_8426( 672 (unsigned char *)diskStructure.primaryDescriptor.creation_date, 673 tim); 674 cd9660_time_8426( 675 (unsigned char *)diskStructure.primaryDescriptor.modification_date, 676 tim); 677 678 /* 679 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now); 680 */ 681 682 memset(diskStructure.primaryDescriptor.expiration_date, '0' ,17); 683 cd9660_time_8426( 684 (unsigned char *)diskStructure.primaryDescriptor.effective_date, 685 tim); 686 } 687 688 static void 689 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 690 u_char ext_attr_length, u_char flags, 691 u_char name_len, const char * name) 692 { 693 record->ext_attr_length[0] = ext_attr_length; 694 record->flags[0] = ISO_FLAG_CLEAR | flags; 695 record->file_unit_size[0] = 0; 696 record->interleave[0] = 0; 697 cd9660_bothendian_word(1, record->volume_sequence_number); 698 record->name_len[0] = name_len; 699 memset(record->name, '\0', sizeof (record->name)); 700 memcpy(record->name, name, name_len); 701 record->length[0] = 33 + name_len; 702 703 /* Todo : better rounding */ 704 record->length[0] += (record->length[0] & 1) ? 1 : 0; 705 } 706 707 static void 708 cd9660_setup_root_node(void) 709 { 710 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord, 711 0, ISO_FLAG_DIRECTORY, 1, "\0"); 712 713 } 714 715 /*********** SUPPORT FUNCTIONS ***********/ 716 static int 717 cd9660_setup_volume_descriptors(void) 718 { 719 /* Boot volume descriptor should come second */ 720 int sector = 16; 721 /* For now, a fixed 2 : PVD and terminator */ 722 volume_descriptor *temp, *t; 723 724 /* Set up the PVD */ 725 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 726 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 727 exit(1); 728 } 729 730 temp->volumeDescriptorData = 731 (unsigned char *)&diskStructure.primaryDescriptor; 732 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 733 temp->volumeDescriptorData[6] = 1; 734 temp->sector = sector; 735 memcpy(temp->volumeDescriptorData + 1, 736 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 737 diskStructure.firstVolumeDescriptor = temp; 738 739 sector++; 740 /* Set up boot support if enabled. BVD must reside in sector 17 */ 741 if (diskStructure.is_bootable) { 742 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 743 CD9660_MEM_ALLOC_ERROR( 744 "cd9660_setup_volume_descriptors"); 745 exit(1); 746 } 747 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 748 CD9660_MEM_ALLOC_ERROR( 749 "cd9660_setup_volume_descriptors"); 750 exit(1); 751 } 752 temp->next = t; 753 temp = t; 754 memset(t->volumeDescriptorData, 0, 2048); 755 t->sector = 17; 756 if (diskStructure.verbose_level > 0) 757 printf("Setting up boot volume descriptor\n"); 758 cd9660_setup_boot_volume_descriptor(t); 759 sector++; 760 } 761 762 /* Set up the terminator */ 763 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 764 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 765 exit(1); 766 } 767 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 768 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 769 exit(1); 770 } 771 772 temp->next = t; 773 memset(t->volumeDescriptorData, 0, 2048); 774 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 775 t->next = 0; 776 t->volumeDescriptorData[6] = 1; 777 t->sector = sector; 778 memcpy(t->volumeDescriptorData + 1, 779 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 780 781 sector++; 782 return sector; 783 } 784 785 #if 0 786 /* 787 * Populate EAR at some point. Not required, but is used by NetBSD's 788 * cd9660 support 789 */ 790 static int 791 cd9660_fill_extended_attribute_record(cd9660node *node) 792 { 793 if ((node->isoExtAttributes = 794 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 795 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 796 exit(1); 797 }; 798 799 return 1; 800 } 801 #endif 802 803 static int 804 cd9960_translate_node_common(cd9660node *newnode) 805 { 806 time_t tim; 807 int test; 808 u_char flag; 809 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 810 811 /* Now populate the isoDirRecord structure */ 812 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 813 814 test = cd9660_convert_filename(newnode->node->name, 815 temp, !(S_ISDIR(newnode->node->type))); 816 817 flag = ISO_FLAG_CLEAR; 818 if (S_ISDIR(newnode->node->type)) 819 flag |= ISO_FLAG_DIRECTORY; 820 821 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 822 flag, strlen(temp), temp); 823 824 /* Set the various dates */ 825 826 /* If we want to use the current date and time */ 827 time(&tim); 828 829 cd9660_time_915(newnode->isoDirRecord->date, tim); 830 831 cd9660_bothendian_dword(newnode->fileDataLength, 832 newnode->isoDirRecord->size); 833 /* If the file is a link, we want to set the size to 0 */ 834 if (S_ISLNK(newnode->node->type)) 835 newnode->fileDataLength = 0; 836 837 return 1; 838 } 839 840 /* 841 * Translate fsnode to cd9960node 842 * Translate filenames and other metadata, including dates, sizes, 843 * permissions, etc 844 * @param struct fsnode * The node generated by makefs 845 * @param struct cd9660node * The intermediate node to be written to 846 * @returns int 0 on failure, 1 on success 847 */ 848 static int 849 cd9660_translate_node(fsnode *node, cd9660node *newnode) 850 { 851 if (node == NULL) { 852 if (diskStructure.verbose_level > 0) 853 printf("cd9660_translate_node: NULL node passed, " 854 "returning\n"); 855 return 0; 856 } 857 if ((newnode->isoDirRecord = 858 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 859 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 860 return 0; 861 } 862 863 /* Set the node pointer */ 864 newnode->node = node; 865 866 /* Set the size */ 867 if (!(S_ISDIR(node->type))) 868 newnode->fileDataLength = node->inode->st.st_size; 869 870 if (cd9960_translate_node_common(newnode) == 0) 871 return 0; 872 873 /* Finally, overwrite some of the values that are set by default */ 874 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 875 876 return 1; 877 } 878 879 /* 880 * Compares two ISO filenames 881 * @param const char * The first file name 882 * @param const char * The second file name 883 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 884 * the second is greater than the first 885 */ 886 static int 887 cd9660_compare_filename(const char *first, const char *second) 888 { 889 /* 890 * This can be made more optimal once it has been tested 891 * (the extra character, for example, is for testing) 892 */ 893 894 int p1 = 0; 895 int p2 = 0; 896 char c1, c2; 897 /* First, on the filename */ 898 899 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 900 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 901 c1 = first[p1]; 902 c2 = second[p2]; 903 if (c1 == '.' && c2 =='.') 904 break; 905 else if (c1 == '.') { 906 p2++; 907 c1 = ' '; 908 } else if (c2 == '.') { 909 p1++; 910 c2 = ' '; 911 } else { 912 p1++; 913 p2++; 914 } 915 916 if (c1 < c2) 917 return -1; 918 else if (c1 > c2) { 919 return 1; 920 } 921 } 922 923 if (first[p1] == '.' && second[p2] == '.') { 924 p1++; 925 p2++; 926 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 927 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 928 c1 = first[p1]; 929 c2 = second[p2]; 930 if (c1 == ';' && c2 == ';') 931 break; 932 else if (c1 == ';') { 933 p2++; 934 c1 = ' '; 935 } else if (c2 == ';') { 936 p1++; 937 c2 = ' '; 938 } else { 939 p1++; 940 p2++; 941 } 942 943 if (c1 < c2) 944 return -1; 945 else if (c1 > c2) 946 return 1; 947 } 948 } 949 return 0; 950 } 951 952 /* 953 * Insert a node into list with ISO sorting rules 954 * @param cd9660node * The head node of the list 955 * @param cd9660node * The node to be inserted 956 */ 957 static void 958 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 959 { 960 int compare; 961 cd9660node *cn; 962 struct cd9660_children_head *head = &parent->cn_children; 963 964 /* TODO: Optimize? */ 965 cn_new->parent = parent; 966 967 /* 968 * first will either be 0, the . or the .. 969 * if . or .., this means no other entry may be written before first 970 * if 0, the new node may be inserted at the head 971 */ 972 973 TAILQ_FOREACH(cn, head, cn_next_child) { 974 /* 975 * Dont insert a node twice - 976 * that would cause an infinite loop 977 */ 978 if (cn_new == cn) 979 return; 980 981 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 982 cn->isoDirRecord->name); 983 984 if (compare == 0) 985 compare = cd9660_compare_filename(cn_new->node->name, 986 cn->node->name); 987 988 if (compare < 0) 989 break; 990 } 991 if (cn == NULL) 992 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 993 else 994 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 995 } 996 997 /* 998 * Called After cd9660_sorted_child_insert 999 * handles file collisions by suffixing each filname with ~n 1000 * where n represents the files respective place in the ordering 1001 */ 1002 static int 1003 cd9660_handle_collisions(cd9660node *colliding, int past) 1004 { 1005 cd9660node *iter, *next, *prev; 1006 int skip; 1007 int delete_chars = 0; 1008 int temp_past = past; 1009 int temp_skip; 1010 int flag = 0; 1011 cd9660node *end_of_range; 1012 1013 for (iter = TAILQ_FIRST(&colliding->cn_children); 1014 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1015 if (strcmp(iter->isoDirRecord->name, 1016 next->isoDirRecord->name) != 0) { 1017 iter = TAILQ_NEXT(iter, cn_next_child); 1018 continue; 1019 } 1020 flag = 1; 1021 temp_skip = skip = cd9660_count_collisions(iter); 1022 end_of_range = iter; 1023 while (temp_skip > 0) { 1024 temp_skip--; 1025 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1026 } 1027 temp_past = past; 1028 while (temp_past > 0) { 1029 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1030 end_of_range = next; 1031 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1032 iter = prev; 1033 else 1034 delete_chars++; 1035 temp_past--; 1036 } 1037 skip += past; 1038 iter = cd9660_rename_filename(iter, skip, delete_chars); 1039 } 1040 return flag; 1041 } 1042 1043 1044 static cd9660node * 1045 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars) 1046 { 1047 int i = 0; 1048 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1049 char *naming; 1050 int maxlength; 1051 char *tmp; 1052 1053 if (diskStructure.verbose_level > 0) 1054 printf("Rename_filename called\n"); 1055 1056 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1057 if (diskStructure.isoLevel == 1) 1058 maxlength = 8; 1059 else if (diskStructure.isoLevel == 2) 1060 maxlength = 31; 1061 else 1062 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1063 1064 tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1065 1066 while (i < num) { 1067 powers = 1; 1068 count = 0; 1069 digits = 1; 1070 multiplier = 1; 1071 while (((int)(i / powers) ) >= 10) { 1072 digits++; 1073 powers = powers * 10; 1074 } 1075 1076 naming = iter->o_name; 1077 1078 /* 1079 while ((*naming != '.') && (*naming != ';')) { 1080 naming++; 1081 count++; 1082 } 1083 */ 1084 1085 dot = -1; 1086 semi = -1; 1087 while (count < maxlength) { 1088 if (*naming == '.') 1089 dot = count; 1090 else if (*naming == ';') { 1091 semi = count; 1092 break; 1093 } 1094 naming++; 1095 count++; 1096 } 1097 1098 if ((count + digits) < maxlength) 1099 numbts = count; 1100 else 1101 numbts = maxlength - (digits); 1102 numbts -= delete_chars; 1103 1104 /* 8.3 rules - keep the extension, add before the dot */ 1105 1106 /* 1107 * This code makes a bunch of assumptions. 1108 * See if you can spot them all :) 1109 */ 1110 1111 /* 1112 if (diskStructure.isoLevel == 1) { 1113 numbts = 8 - digits - delete_chars; 1114 if (dot < 0) { 1115 1116 } else { 1117 if (dot < 8) { 1118 memmove(&tmp[numbts],&tmp[dot],4); 1119 } 1120 } 1121 } 1122 */ 1123 1124 /* (copying just the filename before the '.' */ 1125 memcpy(tmp, (iter->o_name), numbts); 1126 1127 /* adding the appropriate number following the name */ 1128 temp = i; 1129 while (digits > 0) { 1130 digit = (int)(temp / powers); 1131 temp = temp - digit * powers; 1132 sprintf(&tmp[numbts] , "%d", digit); 1133 digits--; 1134 numbts++; 1135 powers = powers / 10; 1136 } 1137 1138 while ((*naming != ';') && (numbts < maxlength)) { 1139 tmp[numbts] = (*naming); 1140 naming++; 1141 numbts++; 1142 } 1143 1144 tmp[numbts] = ';'; 1145 tmp[numbts+1] = '1'; 1146 tmp[numbts+2] = '\0'; 1147 1148 /* 1149 * now tmp has exactly the identifier 1150 * we want so we'll copy it back to record 1151 */ 1152 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1153 1154 iter = TAILQ_NEXT(iter, cn_next_child); 1155 i++; 1156 } 1157 1158 free(tmp); 1159 return iter; 1160 } 1161 1162 /* Todo: Figure out why these functions are nec. */ 1163 static void 1164 cd9660_copy_filenames(cd9660node *node) 1165 { 1166 cd9660node *cn; 1167 1168 if (TAILQ_EMPTY(&node->cn_children)) 1169 return; 1170 1171 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1172 debug_print_tree(diskStructure.rootNode, 0); 1173 exit(1); 1174 } 1175 1176 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1177 cd9660_copy_filenames(cn); 1178 memcpy(cn->o_name, cn->isoDirRecord->name, 1179 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1180 } 1181 } 1182 1183 static void 1184 cd9660_sorting_nodes(cd9660node *node) 1185 { 1186 cd9660node *cn; 1187 1188 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1189 cd9660_sorting_nodes(cn); 1190 cd9660_sort_nodes(node); 1191 } 1192 1193 /* XXX Bubble sort. */ 1194 static void 1195 cd9660_sort_nodes(cd9660node *node) 1196 { 1197 cd9660node *cn, *next; 1198 1199 do { 1200 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1201 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1202 return; 1203 else if (strcmp(next->isoDirRecord->name, 1204 cn->isoDirRecord->name) >= 0) 1205 continue; 1206 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1207 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1208 break; 1209 } 1210 } while (cn != NULL); 1211 } 1212 1213 static int 1214 cd9660_count_collisions(cd9660node *copy) 1215 { 1216 int count = 0; 1217 cd9660node *iter, *next; 1218 1219 for (iter = copy; 1220 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1221 iter = next) { 1222 if (cd9660_compare_filename(iter->isoDirRecord->name, 1223 next->isoDirRecord->name) == 0) 1224 count++; 1225 else 1226 return count; 1227 } 1228 #if 0 1229 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1230 printf("cd9660_recurse_on_collision: count is %i \n", count); 1231 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1232 next->isoDirRecord->name); 1233 if (compare == 0) { 1234 count++; 1235 return cd9660_recurse_on_collision(next, count); 1236 } else 1237 return count; 1238 } 1239 #endif 1240 return count; 1241 } 1242 1243 static cd9660node * 1244 cd9660_rrip_move_directory(cd9660node *dir) 1245 { 1246 char newname[9]; 1247 cd9660node *tfile; 1248 1249 /* 1250 * This function needs to: 1251 * 1) Create an empty virtual file in place of the old directory 1252 * 2) Point the virtual file to the new directory 1253 * 3) Point the relocated directory to its old parent 1254 * 4) Move the directory specified by dir into rr_moved_dir, 1255 * and rename it to "diskStructure.rock_ridge_move_count" (as a string) 1256 */ 1257 1258 /* First see if the moved directory even exists */ 1259 if (diskStructure.rr_moved_dir == NULL) { 1260 diskStructure.rr_moved_dir = 1261 cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1262 diskStructure.rootNode, dir); 1263 if (diskStructure.rr_moved_dir == NULL) 1264 return 0; 1265 } 1266 1267 /* Create a file with the same ORIGINAL name */ 1268 tfile = cd9660_create_file(dir->node->name, dir->parent, dir); 1269 if (tfile == NULL) 1270 return NULL; 1271 1272 diskStructure.rock_ridge_move_count++; 1273 snprintf(newname, sizeof(newname), "%08i", 1274 diskStructure.rock_ridge_move_count); 1275 1276 /* Point to old parent */ 1277 dir->rr_real_parent = dir->parent; 1278 1279 /* Place the placeholder file */ 1280 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1281 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1282 cn_next_child); 1283 } else { 1284 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1285 } 1286 1287 /* Point to new parent */ 1288 dir->parent = diskStructure.rr_moved_dir; 1289 1290 /* Point the file to the moved directory */ 1291 tfile->rr_relocated = dir; 1292 1293 /* Actually move the directory */ 1294 cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir); 1295 1296 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1297 1298 /* Set the new name */ 1299 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1300 strncpy(dir->isoDirRecord->name, newname, 8); 1301 1302 return dir; 1303 } 1304 1305 static int 1306 cd9660_add_dot_records(cd9660node *root) 1307 { 1308 struct cd9660_children_head *head = &root->cn_children; 1309 cd9660node *cn; 1310 1311 TAILQ_FOREACH(cn, head, cn_next_child) { 1312 if ((cn->type & CD9660_TYPE_DIR) == 0) 1313 continue; 1314 /* Recursion first */ 1315 cd9660_add_dot_records(cn); 1316 } 1317 cd9660_create_special_directory(CD9660_TYPE_DOT, root); 1318 cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root); 1319 return 1; 1320 } 1321 1322 /* 1323 * Convert node to cd9660 structure 1324 * This function is designed to be called recursively on the root node of 1325 * the filesystem 1326 * Lots of recursion going on here, want to make sure it is efficient 1327 * @param struct fsnode * The root node to be converted 1328 * @param struct cd9660* The parent node (should not be NULL) 1329 * @param int Current directory depth 1330 * @param int* Running count of the number of directories that are being created 1331 */ 1332 static void 1333 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level, 1334 int *numDirectories, int *error) 1335 { 1336 fsnode *iterator = root; 1337 cd9660node *this_node; 1338 int working_level; 1339 int add; 1340 int flag = 0; 1341 int counter = 0; 1342 1343 /* 1344 * Newer, more efficient method, reduces recursion depth 1345 */ 1346 if (root == NULL) { 1347 warnx("%s: root is null\n", __func__); 1348 return; 1349 } 1350 1351 /* Test for an empty directory - makefs still gives us the . record */ 1352 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1353 && (root->name[1] == '\0')) { 1354 root = root->next; 1355 if (root == NULL) 1356 return; 1357 } 1358 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1359 CD9660_MEM_ALLOC_ERROR(__func__); 1360 } 1361 1362 /* 1363 * To reduce the number of recursive calls, we will iterate over 1364 * the next pointers to the right. 1365 */ 1366 while (iterator != NULL) { 1367 add = 1; 1368 /* 1369 * Increment the directory count if this is a directory 1370 * Ignore "." entries. We will generate them later 1371 */ 1372 if (!S_ISDIR(iterator->type) || 1373 strcmp(iterator->name, ".") != 0) { 1374 1375 /* Translate the node, including its filename */ 1376 this_node->parent = parent_node; 1377 cd9660_translate_node(iterator, this_node); 1378 this_node->level = level; 1379 1380 if (S_ISDIR(iterator->type)) { 1381 (*numDirectories)++; 1382 this_node->type = CD9660_TYPE_DIR; 1383 working_level = level + 1; 1384 1385 /* 1386 * If at level 8, directory would be at 8 1387 * and have children at 9 which is not 1388 * allowed as per ISO spec 1389 */ 1390 if (level == 8) { 1391 if ((!diskStructure.allow_deep_trees) && 1392 (!diskStructure.rock_ridge_enabled)) { 1393 warnx("error: found entry " 1394 "with depth greater " 1395 "than 8."); 1396 (*error) = 1; 1397 return; 1398 } else if (diskStructure. 1399 rock_ridge_enabled) { 1400 working_level = 3; 1401 /* 1402 * Moved directory is actually 1403 * at level 2. 1404 */ 1405 this_node->level = 1406 working_level - 1; 1407 if (cd9660_rrip_move_directory( 1408 this_node) == 0) { 1409 warnx("Failure in " 1410 "cd9660_rrip_" 1411 "move_directory" 1412 ); 1413 (*error) = 1; 1414 return; 1415 } 1416 add = 0; 1417 } 1418 } 1419 1420 /* Do the recursive call on the children */ 1421 if (iterator->child != 0) { 1422 cd9660_convert_structure( 1423 iterator->child, this_node, 1424 working_level, 1425 numDirectories, error); 1426 1427 if ((*error) == 1) { 1428 warnx("%s: Error on recursive " 1429 "call", __func__); 1430 return; 1431 } 1432 } 1433 1434 } else { 1435 /* Only directories should have children */ 1436 assert(iterator->child == NULL); 1437 1438 this_node->type = CD9660_TYPE_FILE; 1439 } 1440 1441 /* 1442 * Finally, do a sorted insert 1443 */ 1444 if (add) { 1445 cd9660_sorted_child_insert( 1446 parent_node, this_node); 1447 } 1448 1449 /*Allocate new temp_node */ 1450 if (iterator->next != 0) { 1451 this_node = cd9660_allocate_cd9660node(); 1452 if (this_node == NULL) 1453 CD9660_MEM_ALLOC_ERROR(__func__); 1454 } 1455 } 1456 iterator = iterator->next; 1457 } 1458 1459 /* cd9660_handle_collisions(first_node); */ 1460 1461 /* TODO: need cleanup */ 1462 cd9660_copy_filenames(parent_node); 1463 1464 do { 1465 flag = cd9660_handle_collisions(parent_node, counter); 1466 counter++; 1467 cd9660_sorting_nodes(parent_node); 1468 } while ((flag == 1) && (counter < 100)); 1469 } 1470 1471 /* 1472 * Clean up the cd9660node tree 1473 * This is designed to be called recursively on the root node 1474 * @param struct cd9660node *root The node to free 1475 * @returns void 1476 */ 1477 static void 1478 cd9660_free_structure(cd9660node *root) 1479 { 1480 cd9660node *cn; 1481 1482 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1483 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1484 cd9660_free_structure(cn); 1485 } 1486 free(root); 1487 } 1488 1489 /* 1490 * Be a little more memory conservative: 1491 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1492 * just create a temporary structure 1493 */ 1494 struct ptq_entry 1495 { 1496 TAILQ_ENTRY(ptq_entry) ptq; 1497 cd9660node *node; 1498 } *n; 1499 1500 #define PTQUEUE_NEW(n,s,r,t){\ 1501 n = malloc(sizeof(struct s)); \ 1502 if (n == NULL) \ 1503 return r; \ 1504 n->node = t;\ 1505 } 1506 1507 /* 1508 * Generate the path tables 1509 * The specific implementation of this function is left as an exercise to the 1510 * programmer. It could be done recursively. Make sure you read how the path 1511 * table has to be laid out, it has levels. 1512 * @param struct iso9660_disk *disk The disk image 1513 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1514 */ 1515 static int 1516 cd9660_generate_path_table(void) 1517 { 1518 cd9660node *cn, *dirNode = diskStructure.rootNode; 1519 cd9660node *last = dirNode; 1520 int pathTableSize = 0; /* computed as we go */ 1521 int counter = 1; /* root gets a count of 0 */ 1522 int parentRecNum = 0; /* root's parent is '0' */ 1523 1524 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1525 TAILQ_INIT(&pt_head); 1526 1527 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode); 1528 1529 /* Push the root node */ 1530 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1531 1532 /* Breadth-first traversal of file structure */ 1533 while (pt_head.tqh_first != 0) { 1534 n = pt_head.tqh_first; 1535 dirNode = n->node; 1536 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1537 free(n); 1538 1539 /* Update the size */ 1540 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1541 + dirNode->isoDirRecord->name_len[0]+ 1542 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1543 /* includes the padding bit */ 1544 1545 dirNode->ptnumber=counter; 1546 if (dirNode != last) { 1547 last->ptnext = dirNode; 1548 dirNode->ptprev = last; 1549 } 1550 last = dirNode; 1551 1552 parentRecNum = 1; 1553 if (dirNode->parent != 0) 1554 parentRecNum = dirNode->parent->ptnumber; 1555 1556 /* Push children onto queue */ 1557 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1558 /* 1559 * Dont add the DOT and DOTDOT types to the path 1560 * table. 1561 */ 1562 if ((cn->type != CD9660_TYPE_DOT) 1563 && (cn->type != CD9660_TYPE_DOTDOT)) { 1564 1565 if (S_ISDIR(cn->node->type)) { 1566 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1567 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1568 } 1569 } 1570 } 1571 counter++; 1572 } 1573 return pathTableSize; 1574 } 1575 1576 void 1577 cd9660_compute_full_filename(cd9660node *node, char *buf, int level) 1578 { 1579 cd9660node *parent; 1580 1581 parent = (node->rr_real_parent == NULL ? 1582 node->parent : node->rr_real_parent); 1583 if (parent != NULL) { 1584 cd9660_compute_full_filename(parent, buf, level + 1); 1585 strcat(buf, node->node->name); 1586 } else { 1587 /* We are at the root */ 1588 strcat(buf, diskStructure.rootFilesystemPath); 1589 if (buf[strlen(buf) - 1] == '/') 1590 buf[strlen(buf) - 1] = '\0'; 1591 } 1592 1593 if (level != 0) 1594 strcat(buf, "/"); 1595 } 1596 1597 /* NEW filename conversion method */ 1598 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int); 1599 1600 1601 /* 1602 * TODO: These two functions are almost identical. 1603 * Some code cleanup is possible here 1604 * 1605 * XXX bounds checking! 1606 */ 1607 static int 1608 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file) 1609 { 1610 /* 1611 * ISO 9660 : 10.1 1612 * File Name shall not contain more than 8 d or d1 characters 1613 * File Name Extension shall not contain more than 3 d or d1 characters 1614 * Directory Identifier shall not contain more than 8 d or d1 characters 1615 */ 1616 int namelen = 0; 1617 int extlen = 0; 1618 int found_ext = 0; 1619 1620 while (*oldname != '\0') { 1621 /* Handle period first, as it is special */ 1622 if (*oldname == '.') { 1623 if (found_ext) { 1624 *newname++ = '_'; 1625 extlen ++; 1626 } 1627 else { 1628 *newname++ = '.'; 1629 found_ext = 1; 1630 } 1631 } else { 1632 /* Enforce 12.3 / 8 */ 1633 if (((namelen == 8) && !found_ext) || 1634 (found_ext && extlen == 3)) { 1635 break; 1636 } 1637 1638 if (islower((unsigned char)*oldname)) 1639 *newname++ = toupper((unsigned char)*oldname); 1640 else if (isupper((unsigned char)*oldname) 1641 || isdigit((unsigned char)*oldname)) 1642 *newname++ = *oldname; 1643 else 1644 *newname++ = '_'; 1645 1646 if (found_ext) 1647 extlen++; 1648 else 1649 namelen++; 1650 } 1651 oldname ++; 1652 } 1653 if (is_file) { 1654 if (!found_ext && !diskStructure.omit_trailing_period) 1655 *newname++ = '.'; 1656 /* Add version */ 1657 sprintf(newname, ";%i", 1); 1658 } 1659 return namelen + extlen + found_ext; 1660 } 1661 1662 /* XXX bounds checking! */ 1663 static int 1664 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file) 1665 { 1666 /* 1667 * ISO 9660 : 7.5.1 1668 * File name : 0+ d or d1 characters 1669 * separator 1 (.) 1670 * File name extension : 0+ d or d1 characters 1671 * separator 2 (;) 1672 * File version number (5 characters, 1-32767) 1673 * 1 <= Sum of File name and File name extension <= 30 1674 */ 1675 int namelen = 0; 1676 int extlen = 0; 1677 int found_ext = 0; 1678 1679 while (*oldname != '\0') { 1680 /* Handle period first, as it is special */ 1681 if (*oldname == '.') { 1682 if (found_ext) { 1683 if (diskStructure.allow_multidot) { 1684 *newname++ = '.'; 1685 } else { 1686 *newname++ = '_'; 1687 } 1688 extlen ++; 1689 } 1690 else { 1691 *newname++ = '.'; 1692 found_ext = 1; 1693 } 1694 } else { 1695 if ((namelen + extlen) == 30) 1696 break; 1697 1698 if (islower((unsigned char)*oldname)) 1699 *newname++ = toupper((unsigned char)*oldname); 1700 else if (isupper((unsigned char)*oldname) || 1701 isdigit((unsigned char)*oldname)) 1702 *newname++ = *oldname; 1703 else if (diskStructure.allow_multidot && 1704 *oldname == '.') { 1705 *newname++ = '.'; 1706 } else { 1707 *newname++ = '_'; 1708 } 1709 1710 if (found_ext) 1711 extlen++; 1712 else 1713 namelen++; 1714 } 1715 oldname ++; 1716 } 1717 if (is_file) { 1718 if (!found_ext && !diskStructure.omit_trailing_period) 1719 *newname++ = '.'; 1720 /* Add version */ 1721 sprintf(newname, ";%i", 1); 1722 } 1723 return namelen + extlen + found_ext; 1724 } 1725 1726 #if 0 1727 static int 1728 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file) 1729 { 1730 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1731 } 1732 #endif 1733 1734 1735 /* 1736 * Convert a file name to ISO compliant file name 1737 * @param char * oldname The original filename 1738 * @param char ** newname The new file name, in the appropriate character 1739 * set and of appropriate length 1740 * @param int 1 if file, 0 if directory 1741 * @returns int The length of the new string 1742 */ 1743 static int 1744 cd9660_convert_filename(const char *oldname, char *newname, int is_file) 1745 { 1746 /* NEW */ 1747 cd9660_filename_conversion_functor conversion_function = 0; 1748 if (diskStructure.isoLevel == 1) 1749 conversion_function = &cd9660_level1_convert_filename; 1750 else if (diskStructure.isoLevel == 2) 1751 conversion_function = &cd9660_level2_convert_filename; 1752 return (*conversion_function)(oldname, newname, is_file); 1753 } 1754 1755 int 1756 cd9660_compute_record_size(cd9660node *node) 1757 { 1758 int size = node->isoDirRecord->length[0]; 1759 1760 if (diskStructure.rock_ridge_enabled) 1761 size += node->susp_entry_size; 1762 return size; 1763 } 1764 1765 static void 1766 cd9660_populate_dot_records(cd9660node *node) 1767 { 1768 node->dot_record->fileDataSector = node->fileDataSector; 1769 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1770 node->dot_record->isoDirRecord->name_len[0] = 1; 1771 node->dot_record->isoDirRecord->name[0] = 0; 1772 node->dot_record->isoDirRecord->name[1] = 0; 1773 node->dot_record->isoDirRecord->length[0] = 34; 1774 node->dot_record->fileRecordSize = 1775 cd9660_compute_record_size(node->dot_record); 1776 1777 if (node == diskStructure.rootNode) { 1778 node->dot_dot_record->fileDataSector = node->fileDataSector; 1779 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1780 34); 1781 } else { 1782 node->dot_dot_record->fileDataSector = 1783 node->parent->fileDataSector; 1784 memcpy(node->dot_dot_record->isoDirRecord, 1785 node->parent->isoDirRecord,34); 1786 } 1787 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1788 node->dot_dot_record->isoDirRecord->name[0] = 1; 1789 node->dot_dot_record->isoDirRecord->name[1] = 0; 1790 node->dot_dot_record->isoDirRecord->length[0] = 34; 1791 node->dot_dot_record->fileRecordSize = 1792 cd9660_compute_record_size(node->dot_dot_record); 1793 } 1794 1795 /* 1796 * @param struct cd9660node *node The node 1797 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1798 * @returns int The total size of files and directory entries (should be 1799 * a multiple of sector size) 1800 */ 1801 static int 1802 cd9660_compute_offsets(cd9660node *node, int startOffset) 1803 { 1804 /* 1805 * This function needs to compute the size of directory records and 1806 * runs, file lengths, and set the appropriate variables both in 1807 * cd9660node and isoDirEntry 1808 */ 1809 int used_bytes = 0; 1810 int current_sector_usage = 0; 1811 cd9660node *child; 1812 fsinode *inode; 1813 int r; 1814 1815 assert(node != NULL); 1816 1817 1818 /* 1819 * NOTE : There needs to be some special case detection for 1820 * the "real root" node, since for it, node->node is undefined 1821 */ 1822 1823 node->fileDataSector = -1; 1824 1825 if (node->type & CD9660_TYPE_DIR) { 1826 node->fileRecordSize = cd9660_compute_record_size(node); 1827 /*Set what sector this directory starts in*/ 1828 node->fileDataSector = 1829 CD9660_BLOCKS(diskStructure.sectorSize,startOffset); 1830 1831 cd9660_bothendian_dword(node->fileDataSector, 1832 node->isoDirRecord->extent); 1833 1834 /* 1835 * First loop over children, need to know the size of 1836 * their directory records 1837 */ 1838 node->fileSectorsUsed = 1; 1839 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1840 node->fileDataLength += 1841 cd9660_compute_record_size(child); 1842 if ((cd9660_compute_record_size(child) + 1843 current_sector_usage) >= 1844 diskStructure.sectorSize) { 1845 current_sector_usage = 0; 1846 node->fileSectorsUsed++; 1847 } 1848 1849 current_sector_usage += 1850 cd9660_compute_record_size(child); 1851 } 1852 1853 cd9660_bothendian_dword(node->fileSectorsUsed * 1854 diskStructure.sectorSize,node->isoDirRecord->size); 1855 1856 /* 1857 * This should point to the sector after the directory 1858 * record (or, the first byte in that sector) 1859 */ 1860 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize; 1861 1862 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1863 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1864 /* Directories need recursive call */ 1865 if (S_ISDIR(child->node->type)) { 1866 r = cd9660_compute_offsets(child, 1867 used_bytes + startOffset); 1868 1869 if (r != -1) 1870 used_bytes += r; 1871 else 1872 return -1; 1873 } 1874 } 1875 1876 /* Explicitly set the . and .. records */ 1877 cd9660_populate_dot_records(node); 1878 1879 /* Finally, do another iteration to write the file data*/ 1880 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1881 child != NULL; 1882 child = TAILQ_NEXT(child, cn_next_child)) { 1883 /* Files need extent set */ 1884 if (S_ISDIR(child->node->type)) 1885 continue; 1886 child->fileRecordSize = 1887 cd9660_compute_record_size(child); 1888 1889 child->fileSectorsUsed = 1890 CD9660_BLOCKS(diskStructure.sectorSize, 1891 child->fileDataLength); 1892 1893 inode = child->node->inode; 1894 if ((inode->flags & FI_ALLOCATED) == 0) { 1895 inode->ino = 1896 CD9660_BLOCKS(diskStructure.sectorSize, 1897 used_bytes + startOffset); 1898 inode->flags |= FI_ALLOCATED; 1899 used_bytes += child->fileSectorsUsed * 1900 diskStructure.sectorSize; 1901 } else { 1902 INODE_WARNX(("%s: already allocated inode %d " 1903 "data sectors at %" PRIu32, __func__, 1904 (int)inode->st.st_ino, inode->ino)); 1905 } 1906 child->fileDataSector = inode->ino; 1907 cd9660_bothendian_dword(child->fileDataSector, 1908 child->isoDirRecord->extent); 1909 } 1910 } 1911 1912 return used_bytes; 1913 } 1914 1915 #if 0 1916 /* Might get rid of this func */ 1917 static int 1918 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1919 { 1920 to->node->inode->st.st_dev = 0; 1921 to->node->inode->st.st_ino = 0; 1922 to->node->inode->st.st_size = 0; 1923 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1924 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1925 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1926 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1927 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1928 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1929 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1930 /* Clear out type */ 1931 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1932 if (file) 1933 to->node->inode->st.st_mode |= S_IFREG; 1934 else 1935 to->node->inode->st.st_mode |= S_IFDIR; 1936 return 1; 1937 } 1938 #endif 1939 1940 static cd9660node * 1941 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file, 1942 int insert) 1943 { 1944 cd9660node *temp; 1945 fsnode * tfsnode; 1946 1947 assert(parent != NULL); 1948 1949 temp = cd9660_allocate_cd9660node(); 1950 if (temp == NULL) 1951 return NULL; 1952 1953 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1954 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1955 return NULL; 1956 } 1957 1958 /* Assume for now name is a valid length */ 1959 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1960 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1961 return NULL; 1962 } 1963 1964 if ((temp->isoDirRecord = 1965 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1966 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1967 return NULL; 1968 } 1969 1970 strcpy(tfsnode->name, name); 1971 1972 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file); 1973 1974 temp->node = tfsnode; 1975 temp->parent = parent; 1976 1977 if (insert) { 1978 if (temp->parent != NULL) { 1979 temp->level = temp->parent->level + 1; 1980 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1981 cd9660_sorted_child_insert(temp->parent, temp); 1982 else 1983 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1984 temp, cn_next_child); 1985 } 1986 } 1987 1988 if (parent->node != NULL) { 1989 tfsnode->type = parent->node->type; 1990 } 1991 1992 /* Clear out file type bits */ 1993 tfsnode->type &= ~(S_IFMT); 1994 if (file) 1995 tfsnode->type |= S_IFREG; 1996 else 1997 tfsnode->type |= S_IFDIR; 1998 1999 /* Indicate that there is no spec entry (inode) */ 2000 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2001 #if 0 2002 cd9660_copy_stat_info(parent, temp, file); 2003 #endif 2004 return temp; 2005 } 2006 2007 static cd9660node * 2008 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me) 2009 { 2010 cd9660node *temp; 2011 2012 temp = cd9660_create_virtual_entry(name,parent,1,1); 2013 if (temp == NULL) 2014 return NULL; 2015 2016 temp->fileDataLength = 0; 2017 2018 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2019 2020 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2021 return NULL; 2022 *temp->node->inode = *me->node->inode; 2023 2024 if (cd9960_translate_node_common(temp) == 0) 2025 return NULL; 2026 return temp; 2027 } 2028 2029 /* 2030 * Create a new directory which does not exist on disk 2031 * @param const char * name The name to assign to the directory 2032 * @param const char * parent Pointer to the parent directory 2033 * @returns cd9660node * Pointer to the new directory 2034 */ 2035 static cd9660node * 2036 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me) 2037 { 2038 cd9660node *temp; 2039 2040 temp = cd9660_create_virtual_entry(name,parent,0,1); 2041 if (temp == NULL) 2042 return NULL; 2043 temp->node->type |= S_IFDIR; 2044 2045 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2046 2047 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2048 return NULL; 2049 *temp->node->inode = *me->node->inode; 2050 2051 if (cd9960_translate_node_common(temp) == 0) 2052 return NULL; 2053 return temp; 2054 } 2055 2056 static cd9660node * 2057 cd9660_create_special_directory(u_char type, cd9660node *parent) 2058 { 2059 cd9660node *temp, *first; 2060 char na[2]; 2061 2062 assert(parent != NULL); 2063 2064 if (type == CD9660_TYPE_DOT) 2065 na[0] = 0; 2066 else if (type == CD9660_TYPE_DOTDOT) 2067 na[0] = 1; 2068 else 2069 return 0; 2070 2071 na[1] = 0; 2072 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL) 2073 return NULL; 2074 2075 temp->parent = parent; 2076 temp->type = type; 2077 temp->isoDirRecord->length[0] = 34; 2078 /* Dot record is always first */ 2079 if (type == CD9660_TYPE_DOT) { 2080 parent->dot_record = temp; 2081 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2082 /* DotDot should be second */ 2083 } else if (type == CD9660_TYPE_DOTDOT) { 2084 parent->dot_dot_record = temp; 2085 /* 2086 * If the first child is the dot record, insert 2087 * this second. Otherwise, insert it at the head. 2088 */ 2089 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2090 (first->type & CD9660_TYPE_DOT) == 0) { 2091 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2092 cn_next_child); 2093 } else { 2094 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2095 cn_next_child); 2096 } 2097 } 2098 2099 return temp; 2100 } 2101 2102 int 2103 cd9660_add_generic_bootimage(const char *bootimage) 2104 { 2105 struct stat stbuf; 2106 2107 assert(bootimage != NULL); 2108 2109 if (*bootimage == '\0') { 2110 warnx("Error: Boot image must be a filename"); 2111 return 0; 2112 } 2113 2114 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) { 2115 warn("%s: strdup", __func__); 2116 return 0; 2117 } 2118 2119 /* Get information about the file */ 2120 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1) 2121 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2122 diskStructure.generic_bootimage); 2123 2124 if (stbuf.st_size > 32768) { 2125 warnx("Error: Boot image must be no greater than 32768 bytes"); 2126 return 0; 2127 } 2128 2129 if (diskStructure.verbose_level > 0) { 2130 printf("Generic boot image image has size %lld\n", 2131 (long long)stbuf.st_size); 2132 } 2133 2134 diskStructure.has_generic_bootimage = 1; 2135 2136 return 1; 2137 } 2138
Indexes created Tue Sep 23 23:09:58 GMT 2025