cd9660.c revision 1.30
1 /* $NetBSD: cd9660.c,v 1.30 2011/05/29 17:07:57 tsutsui 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 1.30 2011/05/29 17:07:57 tsutsui 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 #include "cd9660/cd9660_archimedes.h" 118 119 /* 120 * Global variables 121 */ 122 iso9660_disk diskStructure; 123 124 static void cd9660_finalize_PVD(void); 125 static cd9660node *cd9660_allocate_cd9660node(void); 126 static void cd9660_set_defaults(void); 127 static int cd9660_arguments_set_string(const char *, const char *, int, 128 char, char *); 129 static void cd9660_populate_iso_dir_record( 130 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 131 const char *); 132 static void cd9660_setup_root_node(void); 133 static int cd9660_setup_volume_descriptors(void); 134 #if 0 135 static int cd9660_fill_extended_attribute_record(cd9660node *); 136 #endif 137 static void cd9660_sort_nodes(cd9660node *); 138 static int cd9660_translate_node_common(cd9660node *); 139 static int cd9660_translate_node(fsnode *, cd9660node *); 140 static int cd9660_compare_filename(const char *, const char *); 141 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 142 static int cd9660_handle_collisions(cd9660node *, int); 143 static cd9660node *cd9660_rename_filename(cd9660node *, int, int); 144 static void cd9660_copy_filenames(cd9660node *); 145 static void cd9660_sorting_nodes(cd9660node *); 146 static int cd9660_count_collisions(cd9660node *); 147 static cd9660node *cd9660_rrip_move_directory(cd9660node *); 148 static int cd9660_add_dot_records(cd9660node *); 149 150 static void cd9660_convert_structure(fsnode *, cd9660node *, int, 151 int *, int *); 152 static void cd9660_free_structure(cd9660node *); 153 static int cd9660_generate_path_table(void); 154 static int cd9660_level1_convert_filename(const char *, char *, int); 155 static int cd9660_level2_convert_filename(const char *, char *, int); 156 #if 0 157 static int cd9660_joliet_convert_filename(const char *, char *, int); 158 #endif 159 static int cd9660_convert_filename(const char *, char *, int); 160 static void cd9660_populate_dot_records(cd9660node *); 161 static int64_t cd9660_compute_offsets(cd9660node *, int64_t); 162 #if 0 163 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 164 #endif 165 static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int, 166 int); 167 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *); 168 static cd9660node *cd9660_create_directory(const char *, cd9660node *, 169 cd9660node *); 170 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *); 171 172 173 /* 174 * Allocate and initalize a cd9660node 175 * @returns struct cd9660node * Pointer to new node, or NULL on error 176 */ 177 static cd9660node * 178 cd9660_allocate_cd9660node(void) 179 { 180 cd9660node *temp; 181 182 if ((temp = calloc(1, sizeof(cd9660node))) == NULL) 183 err(EXIT_FAILURE, "%s: calloc", __func__); 184 TAILQ_INIT(&temp->cn_children); 185 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 186 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 187 temp->node = NULL; 188 temp->isoDirRecord = NULL; 189 temp->isoExtAttributes = NULL; 190 temp->rr_real_parent = temp->rr_relocated = NULL; 191 temp->su_tail_data = NULL; 192 return temp; 193 } 194 195 int cd9660_defaults_set = 0; 196 197 /** 198 * Set default values for cd9660 extension to makefs 199 */ 200 static void 201 cd9660_set_defaults(void) 202 { 203 /*Fix the sector size for now, though the spec allows for other sizes*/ 204 diskStructure.sectorSize = 2048; 205 206 /* Set up defaults in our own structure */ 207 diskStructure.verbose_level = 0; 208 diskStructure.keep_bad_images = 0; 209 diskStructure.follow_sym_links = 0; 210 diskStructure.isoLevel = 2; 211 212 diskStructure.rock_ridge_enabled = 0; 213 diskStructure.rock_ridge_renamed_dir_name = 0; 214 diskStructure.rock_ridge_move_count = 0; 215 diskStructure.rr_moved_dir = 0; 216 217 diskStructure.archimedes_enabled = 0; 218 diskStructure.chrp_boot = 0; 219 220 diskStructure.include_padding_areas = 1; 221 222 /* Spec breaking functionality */ 223 diskStructure.allow_deep_trees = 224 diskStructure.allow_start_dot = 225 diskStructure.allow_max_name = 226 diskStructure.allow_illegal_chars = 227 diskStructure.allow_lowercase = 228 diskStructure.allow_multidot = 229 diskStructure.omit_trailing_period = 0; 230 231 /* Make sure the PVD is clear */ 232 memset(&diskStructure.primaryDescriptor, 0, 2048); 233 234 memset(diskStructure.primaryDescriptor.volume_set_id, 0x20,32); 235 memset(diskStructure.primaryDescriptor.publisher_id, 0x20,128); 236 memset(diskStructure.primaryDescriptor.preparer_id, 0x20,128); 237 memset(diskStructure.primaryDescriptor.application_id, 0x20,128); 238 memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,128); 239 memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,128); 240 memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,128); 241 242 strcpy(diskStructure.primaryDescriptor.system_id,"NetBSD"); 243 244 cd9660_defaults_set = 1; 245 246 /* Boot support: Initially disabled */ 247 diskStructure.has_generic_bootimage = 0; 248 diskStructure.generic_bootimage = NULL; 249 250 diskStructure.boot_image_directory = 0; 251 /*memset(diskStructure.boot_descriptor, 0, 2048);*/ 252 253 diskStructure.is_bootable = 0; 254 TAILQ_INIT(&diskStructure.boot_images); 255 LIST_INIT(&diskStructure.boot_entries); 256 } 257 258 void 259 cd9660_prep_opts(fsinfo_t *fsopts __unused) 260 { 261 cd9660_set_defaults(); 262 } 263 264 void 265 cd9660_cleanup_opts(fsinfo_t *fsopts __unused) 266 { 267 268 } 269 270 static int 271 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 272 char testmode, char * dest) 273 { 274 int len, test; 275 276 if (val == NULL) 277 warnx("error: The %s requires a string argument", fieldtitle); 278 else if ((len = strlen(val)) <= length) { 279 if (testmode == 'd') 280 test = cd9660_valid_d_chars(val); 281 else 282 test = cd9660_valid_a_chars(val); 283 if (test) { 284 memcpy(dest, val, len); 285 if (test == 2) 286 cd9660_uppercase_characters(dest, len); 287 return 1; 288 } else 289 warnx("error: The %s must be composed of " 290 "%c-characters", fieldtitle, testmode); 291 } else 292 warnx("error: The %s must be at most 32 characters long", 293 fieldtitle); 294 return 0; 295 } 296 297 /* 298 * Command-line parsing function 299 */ 300 301 int 302 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 303 { 304 char *var, *val; 305 int rv; 306 /* Set up allowed options - integer options ONLY */ 307 option_t cd9660_options[] = { 308 { "l", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 309 { "isolevel", &diskStructure.isoLevel, 1, 3, "ISO Level" }, 310 { "verbose", &diskStructure.verbose_level, 0, 2, 311 "Turns on verbose output" }, 312 { "v", &diskStructure.verbose_level, 0 , 2, 313 "Turns on verbose output"}, 314 { .name = NULL } 315 }; 316 317 if (cd9660_defaults_set == 0) 318 cd9660_set_defaults(); 319 320 /* 321 * Todo : finish implementing this, and make a function that 322 * parses them 323 */ 324 /* 325 string_option_t cd9660_string_options[] = { 326 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS }, 327 { NULL } 328 } 329 */ 330 331 assert(option != NULL); 332 333 if (debug & DEBUG_FS_PARSE_OPTS) 334 printf("cd9660_parse_opts: got `%s'\n", option); 335 336 if ((var = strdup(option)) == NULL) 337 err(1, "allocating memory for copy of option string"); 338 rv = 1; 339 340 val = strchr(var, '='); 341 if (val != NULL) 342 *val++ = '\0'; 343 344 /* First handle options with no parameters */ 345 if (strcmp(var, "h") == 0) { 346 diskStructure.displayHelp = 1; 347 rv = 1; 348 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) { 349 /* this is not handled yet */ 350 diskStructure.follow_sym_links = 1; 351 rv = 1; 352 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) { 353 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd', 354 diskStructure.primaryDescriptor.volume_id); 355 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) { 356 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a', 357 diskStructure.primaryDescriptor.application_id); 358 } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) { 359 rv = cd9660_arguments_set_string(val, "Publisher Identifier", 360 128, 'a', diskStructure.primaryDescriptor.publisher_id); 361 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) { 362 rv = cd9660_arguments_set_string(val, "Preparer Identifier", 363 128, 'a', diskStructure.primaryDescriptor.preparer_id); 364 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) { 365 rv = cd9660_arguments_set_string(val, "Volume Set Identifier", 366 128, 'a', diskStructure.primaryDescriptor.volume_set_id); 367 /* Boot options */ 368 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) { 369 if (val == NULL) 370 warnx("error: The Boot Image parameter requires a valid boot information string"); 371 else 372 rv = cd9660_add_boot_disk(val); 373 } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) { 374 /* 375 * XXXfvdl this is unused. 376 */ 377 if (val == NULL) 378 errx(1, "error: The Boot Image Directory parameter" 379 " requires a directory name\n"); 380 else { 381 if ((diskStructure.boot_image_directory = 382 malloc(strlen(val) + 1)) == NULL) { 383 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts"); 384 exit(1); 385 } 386 387 /* BIG TODO: Add the max length function here */ 388 cd9660_arguments_set_string(val, "Boot Image Directory", 389 12 , 'd', diskStructure.boot_image_directory); 390 } 391 } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) { 392 if (val == NULL) 393 warnx("error: The Boot Image parameter requires a valid boot information string"); 394 else 395 rv = cd9660_add_generic_bootimage(val); 396 } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding")) 397 diskStructure.include_padding_areas = 0; 398 /* RRIP */ 399 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge")) 400 diskStructure.rock_ridge_enabled = 1; 401 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes")) 402 diskStructure.archimedes_enabled = 1; 403 else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot")) 404 diskStructure.chrp_boot = 1; 405 else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images")) 406 diskStructure.keep_bad_images = 1; 407 else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees")) 408 diskStructure.allow_deep_trees = 1; 409 else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name")) 410 diskStructure.allow_max_name = 1; 411 else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars")) 412 diskStructure.allow_illegal_chars = 1; 413 else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase")) 414 diskStructure.allow_lowercase = 1; 415 else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot")) 416 diskStructure.allow_multidot = 1; 417 else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period")) 418 diskStructure.omit_trailing_period = 1; 419 else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") || 420 CD9660_IS_COMMAND_ARG(var, "no-boot") || 421 CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) { 422 cd9660_eltorito_add_boot_option(var, 0); 423 424 /* End of flag variables */ 425 } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) { 426 if (val == NULL) { 427 warnx("Option `%s' doesn't contain a value", var); 428 rv = 0; 429 } else { 430 cd9660_eltorito_add_boot_option(var, val); 431 } 432 } else { 433 if (val == NULL) { 434 warnx("Option `%s' doesn't contain a value", var); 435 rv = 0; 436 } else 437 rv = set_option(cd9660_options, var, val); 438 } 439 440 if (var) 441 free(var); 442 return (rv); 443 } 444 445 /* 446 * Main function for cd9660_makefs 447 * Builds the ISO image file 448 * @param const char *image The image filename to create 449 * @param const char *dir The directory that is being read 450 * @param struct fsnode *root The root node of the filesystem tree 451 * @param struct fsinfo_t *fsopts Any options 452 */ 453 void 454 cd9660_makefs(const char *image, const char *dir, fsnode *root, 455 fsinfo_t *fsopts) 456 { 457 int64_t startoffset; 458 int numDirectories; 459 uint64_t pathTableSectors; 460 int64_t firstAvailableSector; 461 int64_t totalSpace; 462 int error; 463 cd9660node *real_root; 464 465 if (diskStructure.verbose_level > 0) 466 printf("cd9660_makefs: ISO level is %i\n", 467 diskStructure.isoLevel); 468 if (diskStructure.isoLevel < 2 && 469 diskStructure.allow_multidot) 470 errx(1, "allow-multidot requires iso level of 2\n"); 471 472 assert(image != NULL); 473 assert(dir != NULL); 474 assert(root != NULL); 475 476 if (diskStructure.displayHelp) { 477 /* 478 * Display help here - probably want to put it in 479 * a separate function 480 */ 481 return; 482 } 483 484 diskStructure.rootFilesystemPath = dir; 485 486 if (diskStructure.verbose_level > 0) 487 printf("cd9660_makefs: image %s directory %s root %p\n", 488 image, dir, root); 489 490 /* Set up some constants. Later, these will be defined with options */ 491 492 /* Counter needed for path tables */ 493 numDirectories = 0; 494 495 /* Convert tree to our own format */ 496 /* Actually, we now need to add the REAL root node, at level 0 */ 497 498 real_root = cd9660_allocate_cd9660node(); 499 if ((real_root->isoDirRecord = 500 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) { 501 CD9660_MEM_ALLOC_ERROR("cd9660_makefs"); 502 exit(1); 503 } 504 505 /* Leave filename blank for root */ 506 memset(real_root->isoDirRecord->name, 0, 507 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 508 509 real_root->level = 0; 510 diskStructure.rootNode = real_root; 511 real_root->type = CD9660_TYPE_DIR; 512 error = 0; 513 real_root->node = root; 514 cd9660_convert_structure(root, real_root, 1, &numDirectories, &error); 515 516 if (TAILQ_EMPTY(&real_root->cn_children)) { 517 errx(1, "cd9660_makefs: converted directory is empty. " 518 "Tree conversion failed\n"); 519 } else if (error != 0) { 520 errx(1, "cd9660_makefs: tree conversion failed\n"); 521 } else { 522 if (diskStructure.verbose_level > 0) 523 printf("cd9660_makefs: tree converted\n"); 524 } 525 526 /* Add the dot and dot dot records */ 527 cd9660_add_dot_records(real_root); 528 529 cd9660_setup_root_node(); 530 531 if (diskStructure.verbose_level > 0) 532 printf("cd9660_makefs: done converting tree\n"); 533 534 /* non-SUSP extensions */ 535 if (diskStructure.archimedes_enabled) 536 archimedes_convert_tree(diskStructure.rootNode); 537 538 /* Rock ridge / SUSP init pass */ 539 if (diskStructure.rock_ridge_enabled) { 540 cd9660_susp_initialize(diskStructure.rootNode, 541 diskStructure.rootNode, NULL); 542 } 543 544 /* Build path table structure */ 545 diskStructure.pathTableLength = cd9660_generate_path_table(); 546 547 pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize, 548 diskStructure.pathTableLength); 549 550 firstAvailableSector = cd9660_setup_volume_descriptors(); 551 if (diskStructure.is_bootable) { 552 firstAvailableSector = cd9660_setup_boot(firstAvailableSector); 553 if (firstAvailableSector < 0) 554 errx(1, "setup_boot failed"); 555 } 556 /* LE first, then BE */ 557 diskStructure.primaryLittleEndianTableSector = firstAvailableSector; 558 diskStructure.primaryBigEndianTableSector = 559 diskStructure.primaryLittleEndianTableSector + pathTableSectors; 560 561 /* Set the secondary ones to -1, not going to use them for now */ 562 diskStructure.secondaryBigEndianTableSector = -1; 563 diskStructure.secondaryLittleEndianTableSector = -1; 564 565 diskStructure.dataFirstSector = 566 diskStructure.primaryBigEndianTableSector + pathTableSectors; 567 if (diskStructure.verbose_level > 0) 568 printf("cd9660_makefs: Path table conversion complete. " 569 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 570 diskStructure.pathTableLength, pathTableSectors); 571 572 startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector; 573 574 totalSpace = cd9660_compute_offsets(real_root, startoffset); 575 576 diskStructure.totalSectors = diskStructure.dataFirstSector + 577 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace); 578 579 /* Disabled until pass 1 is done */ 580 if (diskStructure.rock_ridge_enabled) { 581 diskStructure.susp_continuation_area_start_sector = 582 diskStructure.totalSectors; 583 diskStructure.totalSectors += 584 CD9660_BLOCKS(diskStructure.sectorSize, 585 diskStructure.susp_continuation_area_size); 586 cd9660_susp_finalize(diskStructure.rootNode); 587 } 588 589 590 cd9660_finalize_PVD(); 591 592 /* Add padding sectors, just for testing purposes right now */ 593 /* diskStructure.totalSectors+=150; */ 594 595 /* Debugging output */ 596 if (diskStructure.verbose_level > 0) { 597 printf("cd9660_makefs: Sectors 0-15 reserved\n"); 598 printf("cd9660_makefs: Primary path tables starts in sector %" 599 PRId64 "\n", diskStructure.primaryLittleEndianTableSector); 600 printf("cd9660_makefs: File data starts in sector %" 601 PRId64 "\n", diskStructure.dataFirstSector); 602 printf("cd9660_makefs: Total sectors: %" 603 PRId64 "\n", diskStructure.totalSectors); 604 } 605 606 /* 607 * Add padding sectors at the end 608 * TODO: Clean this up and separate padding 609 */ 610 if (diskStructure.include_padding_areas) 611 diskStructure.totalSectors += 150; 612 613 cd9660_write_image(image); 614 615 if (diskStructure.verbose_level > 1) { 616 debug_print_volume_descriptor_information(); 617 debug_print_tree(real_root,0); 618 debug_print_path_tree(real_root); 619 } 620 621 /* Clean up data structures */ 622 cd9660_free_structure(real_root); 623 624 if (diskStructure.verbose_level > 0) 625 printf("cd9660_makefs: done\n"); 626 } 627 628 /* Generic function pointer - implement later */ 629 typedef int (*cd9660node_func)(cd9660node *); 630 631 static void 632 cd9660_finalize_PVD(void) 633 { 634 time_t tim; 635 unsigned char *temp; 636 637 /* Copy the root directory record */ 638 temp = (unsigned char *) &diskStructure.primaryDescriptor; 639 640 /* root should be a fixed size of 34 bytes since it has no name */ 641 memcpy(diskStructure.primaryDescriptor.root_directory_record, 642 diskStructure.rootNode->dot_record->isoDirRecord, 34); 643 644 /* In RRIP, this might be longer than 34 */ 645 diskStructure.primaryDescriptor.root_directory_record[0] = 34; 646 647 /* Set up all the important numbers in the PVD */ 648 cd9660_bothendian_dword(diskStructure.totalSectors, 649 (unsigned char *)diskStructure.primaryDescriptor.volume_space_size); 650 cd9660_bothendian_word(1, 651 (unsigned char *)diskStructure.primaryDescriptor.volume_set_size); 652 cd9660_bothendian_word(1, 653 (unsigned char *) 654 diskStructure.primaryDescriptor.volume_sequence_number); 655 cd9660_bothendian_word(diskStructure.sectorSize, 656 (unsigned char *) 657 diskStructure.primaryDescriptor.logical_block_size); 658 cd9660_bothendian_dword(diskStructure.pathTableLength, 659 (unsigned char *)diskStructure.primaryDescriptor.path_table_size); 660 661 cd9660_731(diskStructure.primaryLittleEndianTableSector, 662 (u_char *)diskStructure.primaryDescriptor.type_l_path_table); 663 cd9660_732(diskStructure.primaryBigEndianTableSector, 664 (u_char *)diskStructure.primaryDescriptor.type_m_path_table); 665 666 diskStructure.primaryDescriptor.file_structure_version[0] = 1; 667 668 /* Pad all strings with spaces instead of nulls */ 669 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32); 670 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32); 671 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id, 672 128); 673 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id, 674 128); 675 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id, 676 128); 677 cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id, 678 128); 679 cd9660_pad_string_spaces( 680 diskStructure.primaryDescriptor.copyright_file_id, 128); 681 cd9660_pad_string_spaces( 682 diskStructure.primaryDescriptor.abstract_file_id, 128); 683 cd9660_pad_string_spaces( 684 diskStructure.primaryDescriptor.bibliographic_file_id, 128); 685 686 /* Setup dates */ 687 time(&tim); 688 cd9660_time_8426( 689 (unsigned char *)diskStructure.primaryDescriptor.creation_date, 690 tim); 691 cd9660_time_8426( 692 (unsigned char *)diskStructure.primaryDescriptor.modification_date, 693 tim); 694 695 /* 696 cd9660_set_date(diskStructure.primaryDescriptor.expiration_date, now); 697 */ 698 699 memset(diskStructure.primaryDescriptor.expiration_date, '0' ,17); 700 cd9660_time_8426( 701 (unsigned char *)diskStructure.primaryDescriptor.effective_date, 702 tim); 703 } 704 705 static void 706 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 707 u_char ext_attr_length, u_char flags, 708 u_char name_len, const char * name) 709 { 710 record->ext_attr_length[0] = ext_attr_length; 711 record->flags[0] = ISO_FLAG_CLEAR | flags; 712 record->file_unit_size[0] = 0; 713 record->interleave[0] = 0; 714 cd9660_bothendian_word(1, record->volume_sequence_number); 715 record->name_len[0] = name_len; 716 memset(record->name, '\0', sizeof (record->name)); 717 memcpy(record->name, name, name_len); 718 record->length[0] = 33 + name_len; 719 720 /* Todo : better rounding */ 721 record->length[0] += (record->length[0] & 1) ? 1 : 0; 722 } 723 724 static void 725 cd9660_setup_root_node(void) 726 { 727 cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord, 728 0, ISO_FLAG_DIRECTORY, 1, "\0"); 729 730 } 731 732 /*********** SUPPORT FUNCTIONS ***********/ 733 static int 734 cd9660_setup_volume_descriptors(void) 735 { 736 /* Boot volume descriptor should come second */ 737 int sector = 16; 738 /* For now, a fixed 2 : PVD and terminator */ 739 volume_descriptor *temp, *t; 740 741 /* Set up the PVD */ 742 if ((temp = malloc(sizeof(volume_descriptor))) == NULL) { 743 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 744 exit(1); 745 } 746 747 temp->volumeDescriptorData = 748 (unsigned char *)&diskStructure.primaryDescriptor; 749 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 750 temp->volumeDescriptorData[6] = 1; 751 temp->sector = sector; 752 memcpy(temp->volumeDescriptorData + 1, 753 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 754 diskStructure.firstVolumeDescriptor = temp; 755 756 sector++; 757 /* Set up boot support if enabled. BVD must reside in sector 17 */ 758 if (diskStructure.is_bootable) { 759 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 760 CD9660_MEM_ALLOC_ERROR( 761 "cd9660_setup_volume_descriptors"); 762 exit(1); 763 } 764 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 765 CD9660_MEM_ALLOC_ERROR( 766 "cd9660_setup_volume_descriptors"); 767 exit(1); 768 } 769 temp->next = t; 770 temp = t; 771 memset(t->volumeDescriptorData, 0, 2048); 772 t->sector = 17; 773 if (diskStructure.verbose_level > 0) 774 printf("Setting up boot volume descriptor\n"); 775 cd9660_setup_boot_volume_descriptor(t); 776 sector++; 777 } 778 779 /* Set up the terminator */ 780 if ((t = malloc(sizeof(volume_descriptor))) == NULL) { 781 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 782 exit(1); 783 } 784 if ((t->volumeDescriptorData = malloc(2048)) == NULL) { 785 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors"); 786 exit(1); 787 } 788 789 temp->next = t; 790 memset(t->volumeDescriptorData, 0, 2048); 791 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 792 t->next = 0; 793 t->volumeDescriptorData[6] = 1; 794 t->sector = sector; 795 memcpy(t->volumeDescriptorData + 1, 796 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 797 798 sector++; 799 return sector; 800 } 801 802 #if 0 803 /* 804 * Populate EAR at some point. Not required, but is used by NetBSD's 805 * cd9660 support 806 */ 807 static int 808 cd9660_fill_extended_attribute_record(cd9660node *node) 809 { 810 if ((node->isoExtAttributes = 811 malloc(sizeof(struct iso_extended_attributes))) == NULL) { 812 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record"); 813 exit(1); 814 }; 815 816 return 1; 817 } 818 #endif 819 820 static int 821 cd9660_translate_node_common(cd9660node *newnode) 822 { 823 time_t tim; 824 int test; 825 u_char flag; 826 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 827 828 /* Now populate the isoDirRecord structure */ 829 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 830 831 test = cd9660_convert_filename(newnode->node->name, 832 temp, !(S_ISDIR(newnode->node->type))); 833 834 flag = ISO_FLAG_CLEAR; 835 if (S_ISDIR(newnode->node->type)) 836 flag |= ISO_FLAG_DIRECTORY; 837 838 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 839 flag, strlen(temp), temp); 840 841 /* Set the various dates */ 842 843 /* If we want to use the current date and time */ 844 time(&tim); 845 846 cd9660_time_915(newnode->isoDirRecord->date, tim); 847 848 cd9660_bothendian_dword(newnode->fileDataLength, 849 newnode->isoDirRecord->size); 850 /* If the file is a link, we want to set the size to 0 */ 851 if (S_ISLNK(newnode->node->type)) 852 newnode->fileDataLength = 0; 853 854 return 1; 855 } 856 857 /* 858 * Translate fsnode to cd9660node 859 * Translate filenames and other metadata, including dates, sizes, 860 * permissions, etc 861 * @param struct fsnode * The node generated by makefs 862 * @param struct cd9660node * The intermediate node to be written to 863 * @returns int 0 on failure, 1 on success 864 */ 865 static int 866 cd9660_translate_node(fsnode *node, cd9660node *newnode) 867 { 868 if (node == NULL) { 869 if (diskStructure.verbose_level > 0) 870 printf("cd9660_translate_node: NULL node passed, " 871 "returning\n"); 872 return 0; 873 } 874 if ((newnode->isoDirRecord = 875 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 876 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node"); 877 return 0; 878 } 879 880 /* Set the node pointer */ 881 newnode->node = node; 882 883 /* Set the size */ 884 if (!(S_ISDIR(node->type))) 885 newnode->fileDataLength = node->inode->st.st_size; 886 887 if (cd9660_translate_node_common(newnode) == 0) 888 return 0; 889 890 /* Finally, overwrite some of the values that are set by default */ 891 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 892 893 return 1; 894 } 895 896 /* 897 * Compares two ISO filenames 898 * @param const char * The first file name 899 * @param const char * The second file name 900 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 901 * the second is greater than the first 902 */ 903 static int 904 cd9660_compare_filename(const char *first, const char *second) 905 { 906 /* 907 * This can be made more optimal once it has been tested 908 * (the extra character, for example, is for testing) 909 */ 910 911 int p1 = 0; 912 int p2 = 0; 913 char c1, c2; 914 /* First, on the filename */ 915 916 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 917 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 918 c1 = first[p1]; 919 c2 = second[p2]; 920 if (c1 == '.' && c2 =='.') 921 break; 922 else if (c1 == '.') { 923 p2++; 924 c1 = ' '; 925 } else if (c2 == '.') { 926 p1++; 927 c2 = ' '; 928 } else { 929 p1++; 930 p2++; 931 } 932 933 if (c1 < c2) 934 return -1; 935 else if (c1 > c2) { 936 return 1; 937 } 938 } 939 940 if (first[p1] == '.' && second[p2] == '.') { 941 p1++; 942 p2++; 943 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 944 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 945 c1 = first[p1]; 946 c2 = second[p2]; 947 if (c1 == ';' && c2 == ';') 948 break; 949 else if (c1 == ';') { 950 p2++; 951 c1 = ' '; 952 } else if (c2 == ';') { 953 p1++; 954 c2 = ' '; 955 } else { 956 p1++; 957 p2++; 958 } 959 960 if (c1 < c2) 961 return -1; 962 else if (c1 > c2) 963 return 1; 964 } 965 } 966 return 0; 967 } 968 969 /* 970 * Insert a node into list with ISO sorting rules 971 * @param cd9660node * The head node of the list 972 * @param cd9660node * The node to be inserted 973 */ 974 static void 975 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 976 { 977 int compare; 978 cd9660node *cn; 979 struct cd9660_children_head *head = &parent->cn_children; 980 981 /* TODO: Optimize? */ 982 cn_new->parent = parent; 983 984 /* 985 * first will either be 0, the . or the .. 986 * if . or .., this means no other entry may be written before first 987 * if 0, the new node may be inserted at the head 988 */ 989 990 TAILQ_FOREACH(cn, head, cn_next_child) { 991 /* 992 * Dont insert a node twice - 993 * that would cause an infinite loop 994 */ 995 if (cn_new == cn) 996 return; 997 998 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 999 cn->isoDirRecord->name); 1000 1001 if (compare == 0) 1002 compare = cd9660_compare_filename(cn_new->node->name, 1003 cn->node->name); 1004 1005 if (compare < 0) 1006 break; 1007 } 1008 if (cn == NULL) 1009 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1010 else 1011 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1012 } 1013 1014 /* 1015 * Called After cd9660_sorted_child_insert 1016 * handles file collisions by suffixing each filname with ~n 1017 * where n represents the files respective place in the ordering 1018 */ 1019 static int 1020 cd9660_handle_collisions(cd9660node *colliding, int past) 1021 { 1022 cd9660node *iter, *next, *prev; 1023 int skip; 1024 int delete_chars = 0; 1025 int temp_past = past; 1026 int temp_skip; 1027 int flag = 0; 1028 cd9660node *end_of_range; 1029 1030 for (iter = TAILQ_FIRST(&colliding->cn_children); 1031 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1032 if (strcmp(iter->isoDirRecord->name, 1033 next->isoDirRecord->name) != 0) { 1034 iter = TAILQ_NEXT(iter, cn_next_child); 1035 continue; 1036 } 1037 flag = 1; 1038 temp_skip = skip = cd9660_count_collisions(iter); 1039 end_of_range = iter; 1040 while (temp_skip > 0) { 1041 temp_skip--; 1042 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1043 } 1044 temp_past = past; 1045 while (temp_past > 0) { 1046 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1047 end_of_range = next; 1048 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1049 iter = prev; 1050 else 1051 delete_chars++; 1052 temp_past--; 1053 } 1054 skip += past; 1055 iter = cd9660_rename_filename(iter, skip, delete_chars); 1056 } 1057 return flag; 1058 } 1059 1060 1061 static cd9660node * 1062 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars) 1063 { 1064 int i = 0; 1065 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1066 char *naming; 1067 int maxlength; 1068 char *tmp; 1069 1070 if (diskStructure.verbose_level > 0) 1071 printf("Rename_filename called\n"); 1072 1073 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1074 if (diskStructure.isoLevel == 1) 1075 maxlength = 8; 1076 else if (diskStructure.isoLevel == 2) 1077 maxlength = 31; 1078 else 1079 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1080 1081 tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1082 1083 while (i < num) { 1084 powers = 1; 1085 count = 0; 1086 digits = 1; 1087 multiplier = 1; 1088 while (((int)(i / powers) ) >= 10) { 1089 digits++; 1090 powers = powers * 10; 1091 } 1092 1093 naming = iter->o_name; 1094 1095 /* 1096 while ((*naming != '.') && (*naming != ';')) { 1097 naming++; 1098 count++; 1099 } 1100 */ 1101 1102 dot = -1; 1103 semi = -1; 1104 while (count < maxlength) { 1105 if (*naming == '.') 1106 dot = count; 1107 else if (*naming == ';') { 1108 semi = count; 1109 break; 1110 } 1111 naming++; 1112 count++; 1113 } 1114 1115 if ((count + digits) < maxlength) 1116 numbts = count; 1117 else 1118 numbts = maxlength - (digits); 1119 numbts -= delete_chars; 1120 1121 /* 8.3 rules - keep the extension, add before the dot */ 1122 1123 /* 1124 * This code makes a bunch of assumptions. 1125 * See if you can spot them all :) 1126 */ 1127 1128 /* 1129 if (diskStructure.isoLevel == 1) { 1130 numbts = 8 - digits - delete_chars; 1131 if (dot < 0) { 1132 1133 } else { 1134 if (dot < 8) { 1135 memmove(&tmp[numbts],&tmp[dot],4); 1136 } 1137 } 1138 } 1139 */ 1140 1141 /* (copying just the filename before the '.' */ 1142 memcpy(tmp, (iter->o_name), numbts); 1143 1144 /* adding the appropriate number following the name */ 1145 temp = i; 1146 while (digits > 0) { 1147 digit = (int)(temp / powers); 1148 temp = temp - digit * powers; 1149 sprintf(&tmp[numbts] , "%d", digit); 1150 digits--; 1151 numbts++; 1152 powers = powers / 10; 1153 } 1154 1155 while ((*naming != ';') && (numbts < maxlength)) { 1156 tmp[numbts] = (*naming); 1157 naming++; 1158 numbts++; 1159 } 1160 1161 tmp[numbts] = ';'; 1162 tmp[numbts+1] = '1'; 1163 tmp[numbts+2] = '\0'; 1164 1165 /* 1166 * now tmp has exactly the identifier 1167 * we want so we'll copy it back to record 1168 */ 1169 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1170 1171 iter = TAILQ_NEXT(iter, cn_next_child); 1172 i++; 1173 } 1174 1175 free(tmp); 1176 return iter; 1177 } 1178 1179 /* Todo: Figure out why these functions are nec. */ 1180 static void 1181 cd9660_copy_filenames(cd9660node *node) 1182 { 1183 cd9660node *cn; 1184 1185 if (TAILQ_EMPTY(&node->cn_children)) 1186 return; 1187 1188 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1189 debug_print_tree(diskStructure.rootNode, 0); 1190 exit(1); 1191 } 1192 1193 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1194 cd9660_copy_filenames(cn); 1195 memcpy(cn->o_name, cn->isoDirRecord->name, 1196 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1197 } 1198 } 1199 1200 static void 1201 cd9660_sorting_nodes(cd9660node *node) 1202 { 1203 cd9660node *cn; 1204 1205 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1206 cd9660_sorting_nodes(cn); 1207 cd9660_sort_nodes(node); 1208 } 1209 1210 /* XXX Bubble sort. */ 1211 static void 1212 cd9660_sort_nodes(cd9660node *node) 1213 { 1214 cd9660node *cn, *next; 1215 1216 do { 1217 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1218 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1219 return; 1220 else if (strcmp(next->isoDirRecord->name, 1221 cn->isoDirRecord->name) >= 0) 1222 continue; 1223 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1224 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1225 break; 1226 } 1227 } while (cn != NULL); 1228 } 1229 1230 static int 1231 cd9660_count_collisions(cd9660node *copy) 1232 { 1233 int count = 0; 1234 cd9660node *iter, *next; 1235 1236 for (iter = copy; 1237 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1238 iter = next) { 1239 if (cd9660_compare_filename(iter->isoDirRecord->name, 1240 next->isoDirRecord->name) == 0) 1241 count++; 1242 else 1243 return count; 1244 } 1245 #if 0 1246 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1247 printf("cd9660_recurse_on_collision: count is %i \n", count); 1248 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1249 next->isoDirRecord->name); 1250 if (compare == 0) { 1251 count++; 1252 return cd9660_recurse_on_collision(next, count); 1253 } else 1254 return count; 1255 } 1256 #endif 1257 return count; 1258 } 1259 1260 static cd9660node * 1261 cd9660_rrip_move_directory(cd9660node *dir) 1262 { 1263 char newname[9]; 1264 cd9660node *tfile; 1265 1266 /* 1267 * This function needs to: 1268 * 1) Create an empty virtual file in place of the old directory 1269 * 2) Point the virtual file to the new directory 1270 * 3) Point the relocated directory to its old parent 1271 * 4) Move the directory specified by dir into rr_moved_dir, 1272 * and rename it to "diskStructure.rock_ridge_move_count" (as a string) 1273 */ 1274 1275 /* First see if the moved directory even exists */ 1276 if (diskStructure.rr_moved_dir == NULL) { 1277 diskStructure.rr_moved_dir = 1278 cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1279 diskStructure.rootNode, dir); 1280 if (diskStructure.rr_moved_dir == NULL) 1281 return 0; 1282 } 1283 1284 /* Create a file with the same ORIGINAL name */ 1285 tfile = cd9660_create_file(dir->node->name, dir->parent, dir); 1286 if (tfile == NULL) 1287 return NULL; 1288 1289 diskStructure.rock_ridge_move_count++; 1290 snprintf(newname, sizeof(newname), "%08i", 1291 diskStructure.rock_ridge_move_count); 1292 1293 /* Point to old parent */ 1294 dir->rr_real_parent = dir->parent; 1295 1296 /* Place the placeholder file */ 1297 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1298 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1299 cn_next_child); 1300 } else { 1301 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1302 } 1303 1304 /* Point to new parent */ 1305 dir->parent = diskStructure.rr_moved_dir; 1306 1307 /* Point the file to the moved directory */ 1308 tfile->rr_relocated = dir; 1309 1310 /* Actually move the directory */ 1311 cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir); 1312 1313 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1314 1315 /* Set the new name */ 1316 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1317 strncpy(dir->isoDirRecord->name, newname, 8); 1318 dir->isoDirRecord->length[0] = 34 + 8; 1319 dir->isoDirRecord->name_len[0] = 8; 1320 1321 return dir; 1322 } 1323 1324 static int 1325 cd9660_add_dot_records(cd9660node *root) 1326 { 1327 struct cd9660_children_head *head = &root->cn_children; 1328 cd9660node *cn; 1329 1330 TAILQ_FOREACH(cn, head, cn_next_child) { 1331 if ((cn->type & CD9660_TYPE_DIR) == 0) 1332 continue; 1333 /* Recursion first */ 1334 cd9660_add_dot_records(cn); 1335 } 1336 cd9660_create_special_directory(CD9660_TYPE_DOT, root); 1337 cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root); 1338 return 1; 1339 } 1340 1341 /* 1342 * Convert node to cd9660 structure 1343 * This function is designed to be called recursively on the root node of 1344 * the filesystem 1345 * Lots of recursion going on here, want to make sure it is efficient 1346 * @param struct fsnode * The root node to be converted 1347 * @param struct cd9660* The parent node (should not be NULL) 1348 * @param int Current directory depth 1349 * @param int* Running count of the number of directories that are being created 1350 */ 1351 static void 1352 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level, 1353 int *numDirectories, int *error) 1354 { 1355 fsnode *iterator = root; 1356 cd9660node *this_node; 1357 int working_level; 1358 int add; 1359 int flag = 0; 1360 int counter = 0; 1361 1362 /* 1363 * Newer, more efficient method, reduces recursion depth 1364 */ 1365 if (root == NULL) { 1366 warnx("%s: root is null\n", __func__); 1367 return; 1368 } 1369 1370 /* Test for an empty directory - makefs still gives us the . record */ 1371 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1372 && (root->name[1] == '\0')) { 1373 root = root->next; 1374 if (root == NULL) 1375 return; 1376 } 1377 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1378 CD9660_MEM_ALLOC_ERROR(__func__); 1379 } 1380 1381 /* 1382 * To reduce the number of recursive calls, we will iterate over 1383 * the next pointers to the right. 1384 */ 1385 while (iterator != NULL) { 1386 add = 1; 1387 /* 1388 * Increment the directory count if this is a directory 1389 * Ignore "." entries. We will generate them later 1390 */ 1391 if (!S_ISDIR(iterator->type) || 1392 strcmp(iterator->name, ".") != 0) { 1393 1394 /* Translate the node, including its filename */ 1395 this_node->parent = parent_node; 1396 cd9660_translate_node(iterator, this_node); 1397 this_node->level = level; 1398 1399 if (S_ISDIR(iterator->type)) { 1400 (*numDirectories)++; 1401 this_node->type = CD9660_TYPE_DIR; 1402 working_level = level + 1; 1403 1404 /* 1405 * If at level 8, directory would be at 8 1406 * and have children at 9 which is not 1407 * allowed as per ISO spec 1408 */ 1409 if (level == 8) { 1410 if ((!diskStructure.allow_deep_trees) && 1411 (!diskStructure.rock_ridge_enabled)) { 1412 warnx("error: found entry " 1413 "with depth greater " 1414 "than 8."); 1415 (*error) = 1; 1416 return; 1417 } else if (diskStructure. 1418 rock_ridge_enabled) { 1419 working_level = 3; 1420 /* 1421 * Moved directory is actually 1422 * at level 2. 1423 */ 1424 this_node->level = 1425 working_level - 1; 1426 if (cd9660_rrip_move_directory( 1427 this_node) == 0) { 1428 warnx("Failure in " 1429 "cd9660_rrip_" 1430 "move_directory" 1431 ); 1432 (*error) = 1; 1433 return; 1434 } 1435 add = 0; 1436 } 1437 } 1438 1439 /* Do the recursive call on the children */ 1440 if (iterator->child != 0) { 1441 cd9660_convert_structure( 1442 iterator->child, this_node, 1443 working_level, 1444 numDirectories, error); 1445 1446 if ((*error) == 1) { 1447 warnx("%s: Error on recursive " 1448 "call", __func__); 1449 return; 1450 } 1451 } 1452 1453 } else { 1454 /* Only directories should have children */ 1455 assert(iterator->child == NULL); 1456 1457 this_node->type = CD9660_TYPE_FILE; 1458 } 1459 1460 /* 1461 * Finally, do a sorted insert 1462 */ 1463 if (add) { 1464 cd9660_sorted_child_insert( 1465 parent_node, this_node); 1466 } 1467 1468 /*Allocate new temp_node */ 1469 if (iterator->next != 0) { 1470 this_node = cd9660_allocate_cd9660node(); 1471 if (this_node == NULL) 1472 CD9660_MEM_ALLOC_ERROR(__func__); 1473 } 1474 } 1475 iterator = iterator->next; 1476 } 1477 1478 /* cd9660_handle_collisions(first_node); */ 1479 1480 /* TODO: need cleanup */ 1481 cd9660_copy_filenames(parent_node); 1482 1483 do { 1484 flag = cd9660_handle_collisions(parent_node, counter); 1485 counter++; 1486 cd9660_sorting_nodes(parent_node); 1487 } while ((flag == 1) && (counter < 100)); 1488 } 1489 1490 /* 1491 * Clean up the cd9660node tree 1492 * This is designed to be called recursively on the root node 1493 * @param struct cd9660node *root The node to free 1494 * @returns void 1495 */ 1496 static void 1497 cd9660_free_structure(cd9660node *root) 1498 { 1499 cd9660node *cn; 1500 1501 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1502 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1503 cd9660_free_structure(cn); 1504 } 1505 free(root); 1506 } 1507 1508 /* 1509 * Be a little more memory conservative: 1510 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1511 * just create a temporary structure 1512 */ 1513 struct ptq_entry 1514 { 1515 TAILQ_ENTRY(ptq_entry) ptq; 1516 cd9660node *node; 1517 } *n; 1518 1519 #define PTQUEUE_NEW(n,s,r,t){\ 1520 n = malloc(sizeof(struct s)); \ 1521 if (n == NULL) \ 1522 return r; \ 1523 n->node = t;\ 1524 } 1525 1526 /* 1527 * Generate the path tables 1528 * The specific implementation of this function is left as an exercise to the 1529 * programmer. It could be done recursively. Make sure you read how the path 1530 * table has to be laid out, it has levels. 1531 * @param struct iso9660_disk *disk The disk image 1532 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1533 */ 1534 static int 1535 cd9660_generate_path_table(void) 1536 { 1537 cd9660node *cn, *dirNode = diskStructure.rootNode; 1538 cd9660node *last = dirNode; 1539 int pathTableSize = 0; /* computed as we go */ 1540 int counter = 1; /* root gets a count of 0 */ 1541 int parentRecNum = 0; /* root's parent is '0' */ 1542 1543 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1544 TAILQ_INIT(&pt_head); 1545 1546 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode); 1547 1548 /* Push the root node */ 1549 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1550 1551 /* Breadth-first traversal of file structure */ 1552 while (pt_head.tqh_first != 0) { 1553 n = pt_head.tqh_first; 1554 dirNode = n->node; 1555 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1556 free(n); 1557 1558 /* Update the size */ 1559 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1560 + dirNode->isoDirRecord->name_len[0]+ 1561 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1562 /* includes the padding bit */ 1563 1564 dirNode->ptnumber=counter; 1565 if (dirNode != last) { 1566 last->ptnext = dirNode; 1567 dirNode->ptprev = last; 1568 } 1569 last = dirNode; 1570 1571 parentRecNum = 1; 1572 if (dirNode->parent != 0) 1573 parentRecNum = dirNode->parent->ptnumber; 1574 1575 /* Push children onto queue */ 1576 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1577 /* 1578 * Dont add the DOT and DOTDOT types to the path 1579 * table. 1580 */ 1581 if ((cn->type != CD9660_TYPE_DOT) 1582 && (cn->type != CD9660_TYPE_DOTDOT)) { 1583 1584 if (S_ISDIR(cn->node->type)) { 1585 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1586 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1587 } 1588 } 1589 } 1590 counter++; 1591 } 1592 return pathTableSize; 1593 } 1594 1595 void 1596 cd9660_compute_full_filename(cd9660node *node, char *buf, int level) 1597 { 1598 cd9660node *parent; 1599 1600 parent = (node->rr_real_parent == NULL ? 1601 node->parent : node->rr_real_parent); 1602 if (parent != NULL) { 1603 cd9660_compute_full_filename(parent, buf, level + 1); 1604 strcat(buf, node->node->name); 1605 } else { 1606 /* We are at the root */ 1607 strcat(buf, diskStructure.rootFilesystemPath); 1608 if (buf[strlen(buf) - 1] == '/') 1609 buf[strlen(buf) - 1] = '\0'; 1610 } 1611 1612 if (level != 0) 1613 strcat(buf, "/"); 1614 } 1615 1616 /* NEW filename conversion method */ 1617 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int); 1618 1619 1620 /* 1621 * TODO: These two functions are almost identical. 1622 * Some code cleanup is possible here 1623 * 1624 * XXX bounds checking! 1625 */ 1626 static int 1627 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file) 1628 { 1629 /* 1630 * ISO 9660 : 10.1 1631 * File Name shall not contain more than 8 d or d1 characters 1632 * File Name Extension shall not contain more than 3 d or d1 characters 1633 * Directory Identifier shall not contain more than 8 d or d1 characters 1634 */ 1635 int namelen = 0; 1636 int extlen = 0; 1637 int found_ext = 0; 1638 1639 while (*oldname != '\0') { 1640 /* Handle period first, as it is special */ 1641 if (*oldname == '.') { 1642 if (found_ext) { 1643 *newname++ = '_'; 1644 extlen ++; 1645 } 1646 else { 1647 *newname++ = '.'; 1648 found_ext = 1; 1649 } 1650 } else { 1651 /* cut RISC OS file type off ISO name */ 1652 if (diskStructure.archimedes_enabled && 1653 *oldname == ',' && strlen(oldname) == 4) 1654 break; 1655 /* Enforce 12.3 / 8 */ 1656 if (((namelen == 8) && !found_ext) || 1657 (found_ext && extlen == 3)) { 1658 break; 1659 } 1660 1661 if (islower((unsigned char)*oldname)) 1662 *newname++ = toupper((unsigned char)*oldname); 1663 else if (isupper((unsigned char)*oldname) 1664 || isdigit((unsigned char)*oldname)) 1665 *newname++ = *oldname; 1666 else 1667 *newname++ = '_'; 1668 1669 if (found_ext) 1670 extlen++; 1671 else 1672 namelen++; 1673 } 1674 oldname ++; 1675 } 1676 if (is_file) { 1677 if (!found_ext && !diskStructure.omit_trailing_period) 1678 *newname++ = '.'; 1679 /* Add version */ 1680 sprintf(newname, ";%i", 1); 1681 } 1682 return namelen + extlen + found_ext; 1683 } 1684 1685 /* XXX bounds checking! */ 1686 static int 1687 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file) 1688 { 1689 /* 1690 * ISO 9660 : 7.5.1 1691 * File name : 0+ d or d1 characters 1692 * separator 1 (.) 1693 * File name extension : 0+ d or d1 characters 1694 * separator 2 (;) 1695 * File version number (5 characters, 1-32767) 1696 * 1 <= Sum of File name and File name extension <= 30 1697 */ 1698 int namelen = 0; 1699 int extlen = 0; 1700 int found_ext = 0; 1701 1702 while (*oldname != '\0') { 1703 /* Handle period first, as it is special */ 1704 if (*oldname == '.') { 1705 if (found_ext) { 1706 if (diskStructure.allow_multidot) { 1707 *newname++ = '.'; 1708 } else { 1709 *newname++ = '_'; 1710 } 1711 extlen ++; 1712 } 1713 else { 1714 *newname++ = '.'; 1715 found_ext = 1; 1716 } 1717 } else { 1718 /* cut RISC OS file type off ISO name */ 1719 if (diskStructure.archimedes_enabled && 1720 *oldname == ',' && strlen(oldname) == 4) 1721 break; 1722 if ((namelen + extlen) == 30) 1723 break; 1724 1725 if (islower((unsigned char)*oldname)) 1726 *newname++ = toupper((unsigned char)*oldname); 1727 else if (isupper((unsigned char)*oldname) || 1728 isdigit((unsigned char)*oldname)) 1729 *newname++ = *oldname; 1730 else if (diskStructure.allow_multidot && 1731 *oldname == '.') { 1732 *newname++ = '.'; 1733 } else { 1734 *newname++ = '_'; 1735 } 1736 1737 if (found_ext) 1738 extlen++; 1739 else 1740 namelen++; 1741 } 1742 oldname ++; 1743 } 1744 if (is_file) { 1745 if (!found_ext && !diskStructure.omit_trailing_period) 1746 *newname++ = '.'; 1747 /* Add version */ 1748 sprintf(newname, ";%i", 1); 1749 } 1750 return namelen + extlen + found_ext; 1751 } 1752 1753 #if 0 1754 static int 1755 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file) 1756 { 1757 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1758 } 1759 #endif 1760 1761 1762 /* 1763 * Convert a file name to ISO compliant file name 1764 * @param char * oldname The original filename 1765 * @param char ** newname The new file name, in the appropriate character 1766 * set and of appropriate length 1767 * @param int 1 if file, 0 if directory 1768 * @returns int The length of the new string 1769 */ 1770 static int 1771 cd9660_convert_filename(const char *oldname, char *newname, int is_file) 1772 { 1773 /* NEW */ 1774 cd9660_filename_conversion_functor conversion_function = 0; 1775 if (diskStructure.isoLevel == 1) 1776 conversion_function = &cd9660_level1_convert_filename; 1777 else if (diskStructure.isoLevel == 2) 1778 conversion_function = &cd9660_level2_convert_filename; 1779 return (*conversion_function)(oldname, newname, is_file); 1780 } 1781 1782 int 1783 cd9660_compute_record_size(cd9660node *node) 1784 { 1785 int size = node->isoDirRecord->length[0]; 1786 1787 if (diskStructure.rock_ridge_enabled) 1788 size += node->susp_entry_size; 1789 size += node->su_tail_size; 1790 size += size & 1; /* Ensure length of record is even. */ 1791 assert(size <= 254); 1792 return size; 1793 } 1794 1795 static void 1796 cd9660_populate_dot_records(cd9660node *node) 1797 { 1798 node->dot_record->fileDataSector = node->fileDataSector; 1799 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1800 node->dot_record->isoDirRecord->name_len[0] = 1; 1801 node->dot_record->isoDirRecord->name[0] = 0; 1802 node->dot_record->isoDirRecord->name[1] = 0; 1803 node->dot_record->isoDirRecord->length[0] = 34; 1804 node->dot_record->fileRecordSize = 1805 cd9660_compute_record_size(node->dot_record); 1806 1807 if (node == diskStructure.rootNode) { 1808 node->dot_dot_record->fileDataSector = node->fileDataSector; 1809 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1810 34); 1811 } else { 1812 node->dot_dot_record->fileDataSector = 1813 node->parent->fileDataSector; 1814 memcpy(node->dot_dot_record->isoDirRecord, 1815 node->parent->isoDirRecord,34); 1816 } 1817 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1818 node->dot_dot_record->isoDirRecord->name[0] = 1; 1819 node->dot_dot_record->isoDirRecord->name[1] = 0; 1820 node->dot_dot_record->isoDirRecord->length[0] = 34; 1821 node->dot_dot_record->fileRecordSize = 1822 cd9660_compute_record_size(node->dot_dot_record); 1823 } 1824 1825 /* 1826 * @param struct cd9660node *node The node 1827 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1828 * @returns int The total size of files and directory entries (should be 1829 * a multiple of sector size) 1830 */ 1831 static int64_t 1832 cd9660_compute_offsets(cd9660node *node, int64_t startOffset) 1833 { 1834 /* 1835 * This function needs to compute the size of directory records and 1836 * runs, file lengths, and set the appropriate variables both in 1837 * cd9660node and isoDirEntry 1838 */ 1839 int64_t used_bytes = 0; 1840 int64_t current_sector_usage = 0; 1841 cd9660node *child; 1842 fsinode *inode; 1843 int64_t r; 1844 1845 assert(node != NULL); 1846 1847 1848 /* 1849 * NOTE : There needs to be some special case detection for 1850 * the "real root" node, since for it, node->node is undefined 1851 */ 1852 1853 node->fileDataSector = -1; 1854 1855 if (node->type & CD9660_TYPE_DIR) { 1856 node->fileRecordSize = cd9660_compute_record_size(node); 1857 /*Set what sector this directory starts in*/ 1858 node->fileDataSector = 1859 CD9660_BLOCKS(diskStructure.sectorSize,startOffset); 1860 1861 cd9660_bothendian_dword(node->fileDataSector, 1862 node->isoDirRecord->extent); 1863 1864 /* 1865 * First loop over children, need to know the size of 1866 * their directory records 1867 */ 1868 node->fileSectorsUsed = 1; 1869 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1870 node->fileDataLength += 1871 cd9660_compute_record_size(child); 1872 if ((cd9660_compute_record_size(child) + 1873 current_sector_usage) >= 1874 diskStructure.sectorSize) { 1875 current_sector_usage = 0; 1876 node->fileSectorsUsed++; 1877 } 1878 1879 current_sector_usage += 1880 cd9660_compute_record_size(child); 1881 } 1882 1883 cd9660_bothendian_dword(node->fileSectorsUsed * 1884 diskStructure.sectorSize,node->isoDirRecord->size); 1885 1886 /* 1887 * This should point to the sector after the directory 1888 * record (or, the first byte in that sector) 1889 */ 1890 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize; 1891 1892 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1893 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1894 /* Directories need recursive call */ 1895 if (S_ISDIR(child->node->type)) { 1896 r = cd9660_compute_offsets(child, 1897 used_bytes + startOffset); 1898 1899 if (r != -1) 1900 used_bytes += r; 1901 else 1902 return -1; 1903 } 1904 } 1905 1906 /* Explicitly set the . and .. records */ 1907 cd9660_populate_dot_records(node); 1908 1909 /* Finally, do another iteration to write the file data*/ 1910 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1911 child != NULL; 1912 child = TAILQ_NEXT(child, cn_next_child)) { 1913 /* Files need extent set */ 1914 if (S_ISDIR(child->node->type)) 1915 continue; 1916 child->fileRecordSize = 1917 cd9660_compute_record_size(child); 1918 1919 child->fileSectorsUsed = 1920 CD9660_BLOCKS(diskStructure.sectorSize, 1921 child->fileDataLength); 1922 1923 inode = child->node->inode; 1924 if ((inode->flags & FI_ALLOCATED) == 0) { 1925 inode->ino = 1926 CD9660_BLOCKS(diskStructure.sectorSize, 1927 used_bytes + startOffset); 1928 inode->flags |= FI_ALLOCATED; 1929 used_bytes += child->fileSectorsUsed * 1930 diskStructure.sectorSize; 1931 } else { 1932 INODE_WARNX(("%s: already allocated inode %d " 1933 "data sectors at %" PRIu32, __func__, 1934 (int)inode->st.st_ino, inode->ino)); 1935 } 1936 child->fileDataSector = inode->ino; 1937 cd9660_bothendian_dword(child->fileDataSector, 1938 child->isoDirRecord->extent); 1939 } 1940 } 1941 1942 return used_bytes; 1943 } 1944 1945 #if 0 1946 /* Might get rid of this func */ 1947 static int 1948 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1949 { 1950 to->node->inode->st.st_dev = 0; 1951 to->node->inode->st.st_ino = 0; 1952 to->node->inode->st.st_size = 0; 1953 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1954 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1955 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1956 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1957 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1958 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1959 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1960 /* Clear out type */ 1961 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1962 if (file) 1963 to->node->inode->st.st_mode |= S_IFREG; 1964 else 1965 to->node->inode->st.st_mode |= S_IFDIR; 1966 return 1; 1967 } 1968 #endif 1969 1970 static cd9660node * 1971 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file, 1972 int insert) 1973 { 1974 cd9660node *temp; 1975 fsnode * tfsnode; 1976 1977 assert(parent != NULL); 1978 1979 temp = cd9660_allocate_cd9660node(); 1980 if (temp == NULL) 1981 return NULL; 1982 1983 if ((tfsnode = malloc(sizeof(fsnode))) == NULL) { 1984 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1985 return NULL; 1986 } 1987 1988 /* Assume for now name is a valid length */ 1989 if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) { 1990 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1991 return NULL; 1992 } 1993 1994 if ((temp->isoDirRecord = 1995 malloc(sizeof(iso_directory_record_cd9660))) == NULL) { 1996 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry"); 1997 return NULL; 1998 } 1999 2000 strcpy(tfsnode->name, name); 2001 2002 cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file); 2003 2004 temp->node = tfsnode; 2005 temp->parent = parent; 2006 2007 if (insert) { 2008 if (temp->parent != NULL) { 2009 temp->level = temp->parent->level + 1; 2010 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 2011 cd9660_sorted_child_insert(temp->parent, temp); 2012 else 2013 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 2014 temp, cn_next_child); 2015 } 2016 } 2017 2018 if (parent->node != NULL) { 2019 tfsnode->type = parent->node->type; 2020 } 2021 2022 /* Clear out file type bits */ 2023 tfsnode->type &= ~(S_IFMT); 2024 if (file) 2025 tfsnode->type |= S_IFREG; 2026 else 2027 tfsnode->type |= S_IFDIR; 2028 2029 /* Indicate that there is no spec entry (inode) */ 2030 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2031 #if 0 2032 cd9660_copy_stat_info(parent, temp, file); 2033 #endif 2034 return temp; 2035 } 2036 2037 static cd9660node * 2038 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me) 2039 { 2040 cd9660node *temp; 2041 2042 temp = cd9660_create_virtual_entry(name,parent,1,1); 2043 if (temp == NULL) 2044 return NULL; 2045 2046 temp->fileDataLength = 0; 2047 2048 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2049 2050 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2051 return NULL; 2052 *temp->node->inode = *me->node->inode; 2053 2054 if (cd9660_translate_node_common(temp) == 0) 2055 return NULL; 2056 return temp; 2057 } 2058 2059 /* 2060 * Create a new directory which does not exist on disk 2061 * @param const char * name The name to assign to the directory 2062 * @param const char * parent Pointer to the parent directory 2063 * @returns cd9660node * Pointer to the new directory 2064 */ 2065 static cd9660node * 2066 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me) 2067 { 2068 cd9660node *temp; 2069 2070 temp = cd9660_create_virtual_entry(name,parent,0,1); 2071 if (temp == NULL) 2072 return NULL; 2073 temp->node->type |= S_IFDIR; 2074 2075 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2076 2077 if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL) 2078 return NULL; 2079 *temp->node->inode = *me->node->inode; 2080 2081 if (cd9660_translate_node_common(temp) == 0) 2082 return NULL; 2083 return temp; 2084 } 2085 2086 static cd9660node * 2087 cd9660_create_special_directory(u_char type, cd9660node *parent) 2088 { 2089 cd9660node *temp, *first; 2090 char na[2]; 2091 2092 assert(parent != NULL); 2093 2094 if (type == CD9660_TYPE_DOT) 2095 na[0] = 0; 2096 else if (type == CD9660_TYPE_DOTDOT) 2097 na[0] = 1; 2098 else 2099 return 0; 2100 2101 na[1] = 0; 2102 if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL) 2103 return NULL; 2104 2105 temp->parent = parent; 2106 temp->type = type; 2107 temp->isoDirRecord->length[0] = 34; 2108 /* Dot record is always first */ 2109 if (type == CD9660_TYPE_DOT) { 2110 parent->dot_record = temp; 2111 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2112 /* DotDot should be second */ 2113 } else if (type == CD9660_TYPE_DOTDOT) { 2114 parent->dot_dot_record = temp; 2115 /* 2116 * If the first child is the dot record, insert 2117 * this second. Otherwise, insert it at the head. 2118 */ 2119 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2120 (first->type & CD9660_TYPE_DOT) == 0) { 2121 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2122 cn_next_child); 2123 } else { 2124 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2125 cn_next_child); 2126 } 2127 } 2128 2129 return temp; 2130 } 2131 2132 int 2133 cd9660_add_generic_bootimage(const char *bootimage) 2134 { 2135 struct stat stbuf; 2136 2137 assert(bootimage != NULL); 2138 2139 if (*bootimage == '\0') { 2140 warnx("Error: Boot image must be a filename"); 2141 return 0; 2142 } 2143 2144 if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) { 2145 warn("%s: strdup", __func__); 2146 return 0; 2147 } 2148 2149 /* Get information about the file */ 2150 if (lstat(diskStructure.generic_bootimage, &stbuf) == -1) 2151 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2152 diskStructure.generic_bootimage); 2153 2154 if (stbuf.st_size > 32768) { 2155 warnx("Error: Boot image must be no greater than 32768 bytes"); 2156 return 0; 2157 } 2158 2159 if (diskStructure.verbose_level > 0) { 2160 printf("Generic boot image image has size %lld\n", 2161 (long long)stbuf.st_size); 2162 } 2163 2164 diskStructure.has_generic_bootimage = 1; 2165 2166 return 1; 2167 } 2168
Indexes created Mon Sep 22 10:09:38 GMT 2025