cd9660.c revision 1.48
1 /* $NetBSD: cd9660.c,v 1.48 2015/06/16 23:04:14 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34 /* 35 * Copyright (c) 2001 Wasabi Systems, Inc. 36 * All rights reserved. 37 * 38 * Written by Luke Mewburn for Wasabi Systems, Inc. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed for the NetBSD Project by 51 * Wasabi Systems, Inc. 52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 53 * or promote products derived from this software without specific prior 54 * written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 66 * POSSIBILITY OF SUCH DAMAGE. 67 */ 68 /* 69 * Copyright (c) 1982, 1986, 1989, 1993 70 * The Regents of the University of California. All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions 74 * are met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce the above copyright 78 * notice, this list of conditions and the following disclaimer in the 79 * documentation and/or other materials provided with the distribution. 80 * 3. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 */ 97 98 #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 1.48 2015/06/16 23:04:14 christos Exp $"); 107 #endif /* !__lint */ 108 109 #include <string.h> 110 #include <ctype.h> 111 #include <sys/param.h> 112 #include <sys/queue.h> 113 #include <util.h> 114 115 #include "makefs.h" 116 #include "cd9660.h" 117 #include "cd9660/iso9660_rrip.h" 118 #include "cd9660/cd9660_archimedes.h" 119 120 /* 121 * Global variables 122 */ 123 124 static void cd9660_finalize_PVD(iso9660_disk *); 125 static cd9660node *cd9660_allocate_cd9660node(void); 126 static void cd9660_set_defaults(iso9660_disk *); 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(iso9660_disk *); 133 static int cd9660_setup_volume_descriptors(iso9660_disk *); 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(iso9660_disk *, cd9660node *); 139 static int cd9660_translate_node(iso9660_disk *, 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(iso9660_disk *, cd9660node *, int); 143 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 144 int); 145 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 146 static void cd9660_sorting_nodes(cd9660node *); 147 static int cd9660_count_collisions(cd9660node *); 148 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 149 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 150 151 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 152 int *, int *); 153 static void cd9660_free_structure(cd9660node *); 154 static int cd9660_generate_path_table(iso9660_disk *); 155 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 156 int); 157 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 158 int); 159 #if 0 160 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 161 int); 162 #endif 163 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 164 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 165 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 166 #if 0 167 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 168 #endif 169 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 170 cd9660node *, int, int); 171 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 172 cd9660node *, cd9660node *); 173 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 174 cd9660node *, cd9660node *); 175 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 176 cd9660node *); 177 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 178 179 180 /* 181 * Allocate and initalize a cd9660node 182 * @returns struct cd9660node * Pointer to new node, or NULL on error 183 */ 184 static cd9660node * 185 cd9660_allocate_cd9660node(void) 186 { 187 cd9660node *temp = ecalloc(1, sizeof(*temp)); 188 TAILQ_INIT(&temp->cn_children); 189 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 190 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 191 temp->node = NULL; 192 temp->isoDirRecord = NULL; 193 temp->isoExtAttributes = NULL; 194 temp->rr_real_parent = temp->rr_relocated = NULL; 195 temp->su_tail_data = NULL; 196 return temp; 197 } 198 199 int cd9660_defaults_set = 0; 200 201 /** 202 * Set default values for cd9660 extension to makefs 203 */ 204 static void 205 cd9660_set_defaults(iso9660_disk *diskStructure) 206 { 207 /*Fix the sector size for now, though the spec allows for other sizes*/ 208 diskStructure->sectorSize = 2048; 209 210 /* Set up defaults in our own structure */ 211 diskStructure->verbose_level = 0; 212 diskStructure->keep_bad_images = 0; 213 diskStructure->follow_sym_links = 0; 214 diskStructure->isoLevel = 2; 215 216 diskStructure->rock_ridge_enabled = 0; 217 diskStructure->rock_ridge_renamed_dir_name = 0; 218 diskStructure->rock_ridge_move_count = 0; 219 diskStructure->rr_moved_dir = 0; 220 221 diskStructure->archimedes_enabled = 0; 222 diskStructure->chrp_boot = 0; 223 224 diskStructure->include_padding_areas = 1; 225 226 /* Spec breaking functionality */ 227 diskStructure->allow_deep_trees = 228 diskStructure->allow_start_dot = 229 diskStructure->allow_max_name = 230 diskStructure->allow_illegal_chars = 231 diskStructure->allow_lowercase = 232 diskStructure->allow_multidot = 233 diskStructure->omit_trailing_period = 0; 234 235 /* Make sure the PVD is clear */ 236 memset(&diskStructure->primaryDescriptor, 0, 2048); 237 238 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 239 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 240 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 241 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 242 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 243 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 244 245 strcpy(diskStructure->primaryDescriptor.system_id,"NetBSD"); 246 247 cd9660_defaults_set = 1; 248 249 /* Boot support: Initially disabled */ 250 diskStructure->has_generic_bootimage = 0; 251 diskStructure->generic_bootimage = NULL; 252 253 diskStructure->boot_image_directory = 0; 254 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 255 256 diskStructure->is_bootable = 0; 257 TAILQ_INIT(&diskStructure->boot_images); 258 LIST_INIT(&diskStructure->boot_entries); 259 } 260 261 void 262 cd9660_prep_opts(fsinfo_t *fsopts) 263 { 264 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 265 266 #define OPT_STR(letter, name, desc) \ 267 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 268 269 #define OPT_NUM(letter, name, field, min, max, desc) \ 270 { letter, name, &diskStructure->field, \ 271 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 272 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 273 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 274 min, max, desc } 275 276 #define OPT_BOOL(letter, name, field, desc) \ 277 OPT_NUM(letter, name, field, 0, 1, desc) 278 279 const option_t cd9660_options[] = { 280 OPT_NUM('l', "isolevel", isoLevel, 281 1, 3, "ISO Level"), 282 OPT_NUM('v', "verbose", verbose_level, 283 0, 2, "Turns on verbose output"), 284 285 OPT_BOOL('h', "help", displayHelp, 286 "Show help message"), 287 OPT_BOOL('S', "follow-symlinks", follow_sym_links, 288 "Resolve symlinks in pathnames"), 289 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 290 "Enable Rock-Ridge extensions"), 291 OPT_BOOL('C', "chrp-boot", chrp_boot, 292 "Enable CHRP boot"), 293 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 294 "Keep bad images"), 295 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 296 "Allow trees more than 8 levels"), 297 OPT_BOOL('a', "allow-max-name", allow_max_name, 298 "Allow 37 char filenames (unimplemented)"), 299 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 300 "Allow illegal characters in filenames"), 301 OPT_BOOL('D', "allow-multidot", allow_multidot, 302 "Allow multiple periods in filenames"), 303 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 304 "Omit trailing periods in filenames"), 305 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 306 "Allow lowercase characters in filenames"), 307 OPT_BOOL('\0', "archimedes", archimedes_enabled, 308 "Enable Archimedes structure"), 309 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 310 "Include padding areas"), 311 312 OPT_STR('A', "applicationid", "Application Identifier"), 313 OPT_STR('P', "publisher", "Publisher Identifier"), 314 OPT_STR('p', "preparer", "Preparer Identifier"), 315 OPT_STR('L', "label", "Disk Label"), 316 OPT_STR('V', "volumeid", "Volume Set Identifier"), 317 OPT_STR('B', "bootimage", "Boot image parameter"), 318 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 319 OPT_STR('\0', "bootimagedir", "Boot image directory"), 320 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 321 OPT_STR('\0', "no-boot", "No boot support"), 322 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 323 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 324 325 { .name = NULL } 326 }; 327 328 fsopts->fs_specific = diskStructure; 329 fsopts->fs_options = copy_opts(cd9660_options); 330 331 cd9660_set_defaults(diskStructure); 332 } 333 334 void 335 cd9660_cleanup_opts(fsinfo_t *fsopts) 336 { 337 free(fsopts->fs_specific); 338 free(fsopts->fs_options); 339 } 340 341 static int 342 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 343 char testmode, char * dest) 344 { 345 int len, test; 346 347 if (val == NULL) 348 warnx("error: The %s requires a string argument", fieldtitle); 349 else if ((len = strlen(val)) <= length) { 350 if (testmode == 'd') 351 test = cd9660_valid_d_chars(val); 352 else 353 test = cd9660_valid_a_chars(val); 354 if (test) { 355 memcpy(dest, val, len); 356 if (test == 2) 357 cd9660_uppercase_characters(dest, len); 358 return 1; 359 } else 360 warnx("error: The %s must be composed of " 361 "%c-characters", fieldtitle, testmode); 362 } else 363 warnx("error: The %s must be at most 32 characters long", 364 fieldtitle); 365 return 0; 366 } 367 368 /* 369 * Command-line parsing function 370 */ 371 372 int 373 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 374 { 375 int rv, i; 376 iso9660_disk *diskStructure = fsopts->fs_specific; 377 option_t *cd9660_options = fsopts->fs_options; 378 char buf[1024]; 379 const char *name, *desc; 380 381 assert(option != NULL); 382 383 if (debug & DEBUG_FS_PARSE_OPTS) 384 printf("%s: got `%s'\n", __func__, option); 385 386 i = set_option(cd9660_options, option, buf, sizeof(buf)); 387 if (i == -1) 388 return 0; 389 390 if (cd9660_options[i].name == NULL) 391 abort(); 392 393 394 name = cd9660_options[i].name; 395 desc = cd9660_options[i].desc; 396 switch (cd9660_options[i].letter) { 397 case 'h': 398 case 'S': 399 rv = 0; /* this is not handled yet */ 400 break; 401 case 'L': 402 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 403 diskStructure->primaryDescriptor.volume_id); 404 break; 405 case 'A': 406 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 407 diskStructure->primaryDescriptor.application_id); 408 break; 409 case 'P': 410 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 411 diskStructure->primaryDescriptor.publisher_id); 412 break; 413 case 'p': 414 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 415 diskStructure->primaryDescriptor.preparer_id); 416 break; 417 case 'V': 418 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 419 diskStructure->primaryDescriptor.volume_set_id); 420 break; 421 /* Boot options */ 422 case 'B': 423 if (buf[0] == '\0') { 424 warnx("The Boot Image parameter requires a valid boot" 425 " information string"); 426 rv = 0; 427 } else 428 rv = cd9660_add_boot_disk(diskStructure, buf); 429 break; 430 case 'G': 431 if (buf[0] == '\0') { 432 warnx("The Generic Boot Image parameter requires a" 433 " valid boot information string"); 434 rv = 0; 435 } else 436 rv = cd9660_add_generic_bootimage(diskStructure, buf); 437 break; 438 default: 439 if (strcmp(name, "bootimagedir") == 0) { 440 /* 441 * XXXfvdl this is unused. 442 */ 443 if (buf[0] == '\0') { 444 warnx("The Boot Image Directory parameter" 445 " requires a directory name"); 446 rv = 0; 447 } else { 448 diskStructure->boot_image_directory = 449 emalloc(strlen(buf) + 1); 450 /* BIG TODO: Add the max length function here */ 451 rv = cd9660_arguments_set_string(buf, desc, 12, 452 'd', diskStructure->boot_image_directory); 453 } 454 } else if (strcmp(name, "no-emul-boot") == 0 || 455 strcmp(name, "no-boot") == 0 || 456 strcmp(name, "hard-disk-boot") == 0) { 457 /* RRIP */ 458 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 459 rv = 1; 460 } else if (strcmp(name, "boot-load-segment") == 0) { 461 if (buf[0] == '\0') { 462 warnx("Option `%s' doesn't contain a value", 463 name); 464 rv = 0; 465 } else { 466 cd9660_eltorito_add_boot_option(diskStructure, 467 name, buf); 468 rv = 1; 469 } 470 } else 471 rv = 1; 472 } 473 return rv; 474 } 475 476 /* 477 * Main function for cd9660_makefs 478 * Builds the ISO image file 479 * @param const char *image The image filename to create 480 * @param const char *dir The directory that is being read 481 * @param struct fsnode *root The root node of the filesystem tree 482 * @param struct fsinfo_t *fsopts Any options 483 */ 484 void 485 cd9660_makefs(const char *image, const char *dir, fsnode *root, 486 fsinfo_t *fsopts) 487 { 488 int64_t startoffset; 489 int numDirectories; 490 uint64_t pathTableSectors; 491 int64_t firstAvailableSector; 492 int64_t totalSpace; 493 int error; 494 cd9660node *real_root; 495 iso9660_disk *diskStructure = fsopts->fs_specific; 496 497 if (diskStructure->verbose_level > 0) 498 printf("%s: ISO level is %i\n", __func__, 499 diskStructure->isoLevel); 500 if (diskStructure->isoLevel < 2 && 501 diskStructure->allow_multidot) 502 errx(1, "allow-multidot requires iso level of 2"); 503 504 assert(image != NULL); 505 assert(dir != NULL); 506 assert(root != NULL); 507 508 if (diskStructure->displayHelp) { 509 /* 510 * Display help here - probably want to put it in 511 * a separate function 512 */ 513 return; 514 } 515 516 if (diskStructure->verbose_level > 0) 517 printf("%s: image %s directory %s root %p\n", __func__, 518 image, dir, root); 519 520 /* Set up some constants. Later, these will be defined with options */ 521 522 /* Counter needed for path tables */ 523 numDirectories = 0; 524 525 /* Convert tree to our own format */ 526 /* Actually, we now need to add the REAL root node, at level 0 */ 527 528 real_root = cd9660_allocate_cd9660node(); 529 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 530 /* Leave filename blank for root */ 531 memset(real_root->isoDirRecord->name, 0, 532 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 533 534 real_root->level = 0; 535 diskStructure->rootNode = real_root; 536 real_root->type = CD9660_TYPE_DIR; 537 error = 0; 538 real_root->node = root; 539 cd9660_convert_structure(diskStructure, root, real_root, 1, 540 &numDirectories, &error); 541 542 if (TAILQ_EMPTY(&real_root->cn_children)) { 543 errx(1, "%s: converted directory is empty. ", __func__, 544 "Tree conversion failed"); 545 } else if (error != 0) { 546 errx(1, "cd9660_makefs: tree conversion failed"); 547 } else { 548 if (diskStructure->verbose_level > 0) 549 printf("%s: tree converted\n", __func__); 550 } 551 552 /* Add the dot and dot dot records */ 553 cd9660_add_dot_records(diskStructure, real_root); 554 555 cd9660_setup_root_node(diskStructure); 556 557 if (diskStructure->verbose_level > 0) 558 printf("%s: done converting tree\n", __func__); 559 560 /* non-SUSP extensions */ 561 if (diskStructure->archimedes_enabled) 562 archimedes_convert_tree(diskStructure->rootNode); 563 564 /* Rock ridge / SUSP init pass */ 565 if (diskStructure->rock_ridge_enabled) { 566 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 567 diskStructure->rootNode, NULL); 568 } 569 570 /* Build path table structure */ 571 diskStructure->pathTableLength = cd9660_generate_path_table( 572 diskStructure); 573 574 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 575 diskStructure->pathTableLength); 576 577 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 578 if (diskStructure->is_bootable) { 579 firstAvailableSector = cd9660_setup_boot(diskStructure, 580 firstAvailableSector); 581 if (firstAvailableSector < 0) 582 errx(1, "setup_boot failed"); 583 } 584 /* LE first, then BE */ 585 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 586 diskStructure->primaryBigEndianTableSector = 587 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 588 589 /* Set the secondary ones to -1, not going to use them for now */ 590 diskStructure->secondaryBigEndianTableSector = -1; 591 diskStructure->secondaryLittleEndianTableSector = -1; 592 593 diskStructure->dataFirstSector = 594 diskStructure->primaryBigEndianTableSector + pathTableSectors; 595 if (diskStructure->verbose_level > 0) 596 printf("%s: Path table conversion complete. " 597 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 598 __func__, 599 diskStructure->pathTableLength, pathTableSectors); 600 601 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 602 603 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 604 605 diskStructure->totalSectors = diskStructure->dataFirstSector + 606 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 607 608 /* Disabled until pass 1 is done */ 609 if (diskStructure->rock_ridge_enabled) { 610 diskStructure->susp_continuation_area_start_sector = 611 diskStructure->totalSectors; 612 diskStructure->totalSectors += 613 CD9660_BLOCKS(diskStructure->sectorSize, 614 diskStructure->susp_continuation_area_size); 615 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 616 } 617 618 619 cd9660_finalize_PVD(diskStructure); 620 621 /* Add padding sectors, just for testing purposes right now */ 622 /* diskStructure->totalSectors+=150; */ 623 624 /* Debugging output */ 625 if (diskStructure->verbose_level > 0) { 626 printf("%s: Sectors 0-15 reserved\n", __func__); 627 printf("%s: Primary path tables starts in sector %" 628 PRId64 "\n", __func__, 629 diskStructure->primaryLittleEndianTableSector); 630 printf("%s: File data starts in sector %" 631 PRId64 "\n", __func__, diskStructure->dataFirstSector); 632 printf("%s: Total sectors: %" 633 PRId64 "\n", __func__, diskStructure->totalSectors); 634 } 635 636 /* 637 * Add padding sectors at the end 638 * TODO: Clean this up and separate padding 639 */ 640 if (diskStructure->include_padding_areas) 641 diskStructure->totalSectors += 150; 642 643 cd9660_write_image(diskStructure, image); 644 645 if (diskStructure->verbose_level > 1) { 646 debug_print_volume_descriptor_information(diskStructure); 647 debug_print_tree(diskStructure, real_root, 0); 648 debug_print_path_tree(real_root); 649 } 650 651 /* Clean up data structures */ 652 cd9660_free_structure(real_root); 653 654 if (diskStructure->verbose_level > 0) 655 printf("%s: done\n", __func__); 656 } 657 658 /* Generic function pointer - implement later */ 659 typedef int (*cd9660node_func)(cd9660node *); 660 661 static void 662 cd9660_finalize_PVD(iso9660_disk *diskStructure) 663 { 664 time_t tim; 665 666 /* root should be a fixed size of 34 bytes since it has no name */ 667 memcpy(diskStructure->primaryDescriptor.root_directory_record, 668 diskStructure->rootNode->dot_record->isoDirRecord, 34); 669 670 /* In RRIP, this might be longer than 34 */ 671 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 672 673 /* Set up all the important numbers in the PVD */ 674 cd9660_bothendian_dword(diskStructure->totalSectors, 675 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 676 cd9660_bothendian_word(1, 677 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 678 cd9660_bothendian_word(1, 679 (unsigned char *) 680 diskStructure->primaryDescriptor.volume_sequence_number); 681 cd9660_bothendian_word(diskStructure->sectorSize, 682 (unsigned char *) 683 diskStructure->primaryDescriptor.logical_block_size); 684 cd9660_bothendian_dword(diskStructure->pathTableLength, 685 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 686 687 cd9660_731(diskStructure->primaryLittleEndianTableSector, 688 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 689 cd9660_732(diskStructure->primaryBigEndianTableSector, 690 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 691 692 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 693 694 /* Pad all strings with spaces instead of nulls */ 695 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 696 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 697 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 698 128); 699 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 700 128); 701 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 702 128); 703 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 704 128); 705 cd9660_pad_string_spaces( 706 diskStructure->primaryDescriptor.copyright_file_id, 37); 707 cd9660_pad_string_spaces( 708 diskStructure->primaryDescriptor.abstract_file_id, 37); 709 cd9660_pad_string_spaces( 710 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 711 712 /* Setup dates */ 713 time(&tim); 714 cd9660_time_8426( 715 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 716 tim); 717 cd9660_time_8426( 718 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 719 tim); 720 721 /* 722 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, now); 723 */ 724 memset(diskStructure->primaryDescriptor.expiration_date, '0' ,16); 725 diskStructure->primaryDescriptor.expiration_date[16] = 0; 726 727 cd9660_time_8426( 728 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 729 tim); 730 } 731 732 static void 733 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 734 u_char ext_attr_length, u_char flags, 735 u_char name_len, const char * name) 736 { 737 record->ext_attr_length[0] = ext_attr_length; 738 record->flags[0] = ISO_FLAG_CLEAR | flags; 739 record->file_unit_size[0] = 0; 740 record->interleave[0] = 0; 741 cd9660_bothendian_word(1, record->volume_sequence_number); 742 record->name_len[0] = name_len; 743 memset(record->name, '\0', sizeof (record->name)); 744 memcpy(record->name, name, name_len); 745 record->length[0] = 33 + name_len; 746 747 /* Todo : better rounding */ 748 record->length[0] += (record->length[0] & 1) ? 1 : 0; 749 } 750 751 static void 752 cd9660_setup_root_node(iso9660_disk *diskStructure) 753 { 754 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 755 0, ISO_FLAG_DIRECTORY, 1, "\0"); 756 757 } 758 759 /*********** SUPPORT FUNCTIONS ***********/ 760 static int 761 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 762 { 763 /* Boot volume descriptor should come second */ 764 int sector = 16; 765 /* For now, a fixed 2 : PVD and terminator */ 766 volume_descriptor *temp, *t; 767 768 /* Set up the PVD */ 769 temp = emalloc(sizeof(*temp)); 770 temp->volumeDescriptorData = 771 (unsigned char *)&diskStructure->primaryDescriptor; 772 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 773 temp->volumeDescriptorData[6] = 1; 774 temp->sector = sector; 775 memcpy(temp->volumeDescriptorData + 1, 776 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 777 diskStructure->firstVolumeDescriptor = temp; 778 779 sector++; 780 /* Set up boot support if enabled. BVD must reside in sector 17 */ 781 if (diskStructure->is_bootable) { 782 t = emalloc(sizeof(*t)); 783 t->volumeDescriptorData = ecalloc(1, 2048); 784 temp->next = t; 785 temp = t; 786 t->sector = 17; 787 if (diskStructure->verbose_level > 0) 788 printf("Setting up boot volume descriptor\n"); 789 cd9660_setup_boot_volume_descriptor(diskStructure, t); 790 sector++; 791 } 792 793 /* Set up the terminator */ 794 t = emalloc(sizeof(*t)); 795 t->volumeDescriptorData = ecalloc(1, 2048); 796 temp->next = t; 797 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 798 t->next = 0; 799 t->volumeDescriptorData[6] = 1; 800 t->sector = sector; 801 memcpy(t->volumeDescriptorData + 1, 802 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 803 804 sector++; 805 return sector; 806 } 807 808 #if 0 809 /* 810 * Populate EAR at some point. Not required, but is used by NetBSD's 811 * cd9660 support 812 */ 813 static int 814 cd9660_fill_extended_attribute_record(cd9660node *node) 815 { 816 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 817 return 1; 818 } 819 #endif 820 821 static int 822 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 823 { 824 time_t tim; 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 (void)cd9660_convert_filename(diskStructure, 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(iso9660_disk *diskStructure, fsnode *node, 867 cd9660node *newnode) 868 { 869 if (node == NULL) { 870 if (diskStructure->verbose_level > 0) 871 printf("%s: NULL node passed, returning\n", __func__); 872 return 0; 873 } 874 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 875 /* Set the node pointer */ 876 newnode->node = node; 877 878 /* Set the size */ 879 if (!(S_ISDIR(node->type))) 880 newnode->fileDataLength = node->inode->st.st_size; 881 882 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 883 return 0; 884 885 /* Finally, overwrite some of the values that are set by default */ 886 cd9660_time_915(newnode->isoDirRecord->date, node->inode->st.st_mtime); 887 888 return 1; 889 } 890 891 /* 892 * Compares two ISO filenames 893 * @param const char * The first file name 894 * @param const char * The second file name 895 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 896 * the second is greater than the first 897 */ 898 static int 899 cd9660_compare_filename(const char *first, const char *second) 900 { 901 /* 902 * This can be made more optimal once it has been tested 903 * (the extra character, for example, is for testing) 904 */ 905 906 int p1 = 0; 907 int p2 = 0; 908 char c1, c2; 909 /* First, on the filename */ 910 911 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 912 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 913 c1 = first[p1]; 914 c2 = second[p2]; 915 if (c1 == '.' && c2 =='.') 916 break; 917 else if (c1 == '.') { 918 p2++; 919 c1 = ' '; 920 } else if (c2 == '.') { 921 p1++; 922 c2 = ' '; 923 } else { 924 p1++; 925 p2++; 926 } 927 928 if (c1 < c2) 929 return -1; 930 else if (c1 > c2) { 931 return 1; 932 } 933 } 934 935 if (first[p1] == '.' && second[p2] == '.') { 936 p1++; 937 p2++; 938 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 939 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 940 c1 = first[p1]; 941 c2 = second[p2]; 942 if (c1 == ';' && c2 == ';') 943 break; 944 else if (c1 == ';') { 945 p2++; 946 c1 = ' '; 947 } else if (c2 == ';') { 948 p1++; 949 c2 = ' '; 950 } else { 951 p1++; 952 p2++; 953 } 954 955 if (c1 < c2) 956 return -1; 957 else if (c1 > c2) 958 return 1; 959 } 960 } 961 return 0; 962 } 963 964 /* 965 * Insert a node into list with ISO sorting rules 966 * @param cd9660node * The head node of the list 967 * @param cd9660node * The node to be inserted 968 */ 969 static void 970 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 971 { 972 int compare; 973 cd9660node *cn; 974 struct cd9660_children_head *head = &parent->cn_children; 975 976 /* TODO: Optimize? */ 977 cn_new->parent = parent; 978 979 /* 980 * first will either be 0, the . or the .. 981 * if . or .., this means no other entry may be written before first 982 * if 0, the new node may be inserted at the head 983 */ 984 985 TAILQ_FOREACH(cn, head, cn_next_child) { 986 /* 987 * Dont insert a node twice - 988 * that would cause an infinite loop 989 */ 990 if (cn_new == cn) 991 return; 992 993 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 994 cn->isoDirRecord->name); 995 996 if (compare == 0) 997 compare = cd9660_compare_filename(cn_new->node->name, 998 cn->node->name); 999 1000 if (compare < 0) 1001 break; 1002 } 1003 if (cn == NULL) 1004 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1005 else 1006 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1007 } 1008 1009 /* 1010 * Called After cd9660_sorted_child_insert 1011 * handles file collisions by suffixing each filname with ~n 1012 * where n represents the files respective place in the ordering 1013 */ 1014 static int 1015 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1016 int past) 1017 { 1018 cd9660node *iter, *next, *prev; 1019 int skip; 1020 int delete_chars = 0; 1021 int temp_past = past; 1022 int temp_skip; 1023 int flag = 0; 1024 cd9660node *end_of_range; 1025 1026 for (iter = TAILQ_FIRST(&colliding->cn_children); 1027 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1028 if (strcmp(iter->isoDirRecord->name, 1029 next->isoDirRecord->name) != 0) { 1030 iter = TAILQ_NEXT(iter, cn_next_child); 1031 continue; 1032 } 1033 flag = 1; 1034 temp_skip = skip = cd9660_count_collisions(iter); 1035 end_of_range = iter; 1036 while (temp_skip > 0) { 1037 temp_skip--; 1038 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1039 } 1040 temp_past = past; 1041 while (temp_past > 0) { 1042 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1043 end_of_range = next; 1044 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1045 iter = prev; 1046 else 1047 delete_chars++; 1048 temp_past--; 1049 } 1050 skip += past; 1051 iter = cd9660_rename_filename(diskStructure, iter, skip, 1052 delete_chars); 1053 } 1054 return flag; 1055 } 1056 1057 1058 static cd9660node * 1059 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1060 int delete_chars) 1061 { 1062 int i = 0; 1063 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1064 char *naming; 1065 int maxlength; 1066 char *tmp; 1067 1068 if (diskStructure->verbose_level > 0) 1069 printf("Rename_filename called\n"); 1070 1071 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1072 if (diskStructure->isoLevel == 1) 1073 maxlength = 8; 1074 else if (diskStructure->isoLevel == 2) 1075 maxlength = 31; 1076 else 1077 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1078 1079 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1080 1081 while (i < num) { 1082 powers = 1; 1083 count = 0; 1084 digits = 1; 1085 multiplier = 1; 1086 while (((int)(i / powers) ) >= 10) { 1087 digits++; 1088 powers = powers * 10; 1089 } 1090 1091 naming = iter->o_name; 1092 1093 /* 1094 while ((*naming != '.') && (*naming != ';')) { 1095 naming++; 1096 count++; 1097 } 1098 */ 1099 1100 dot = -1; 1101 semi = -1; 1102 while (count < maxlength) { 1103 if (*naming == '.') 1104 dot = count; 1105 else if (*naming == ';') { 1106 semi = count; 1107 break; 1108 } 1109 naming++; 1110 count++; 1111 } 1112 1113 if ((count + digits) < maxlength) 1114 numbts = count; 1115 else 1116 numbts = maxlength - (digits); 1117 numbts -= delete_chars; 1118 1119 /* 8.3 rules - keep the extension, add before the dot */ 1120 1121 /* 1122 * This code makes a bunch of assumptions. 1123 * See if you can spot them all :) 1124 */ 1125 1126 #if 0 1127 if (diskStructure->isoLevel == 1) { 1128 numbts = 8 - digits - delete_chars; 1129 if (dot < 0) { 1130 1131 } else { 1132 if (dot < 8) { 1133 memmove(&tmp[numbts],&tmp[dot],4); 1134 } 1135 } 1136 } 1137 #else 1138 __USE(dot); 1139 __USE(semi); 1140 __USE(multiplier); 1141 #endif 1142 1143 /* (copying just the filename before the '.' */ 1144 memcpy(tmp, (iter->o_name), numbts); 1145 1146 /* adding the appropriate number following the name */ 1147 temp = i; 1148 while (digits > 0) { 1149 digit = (int)(temp / powers); 1150 temp = temp - digit * powers; 1151 sprintf(&tmp[numbts] , "%d", digit); 1152 digits--; 1153 numbts++; 1154 powers = powers / 10; 1155 } 1156 1157 while ((*naming != ';') && (numbts < maxlength)) { 1158 tmp[numbts] = (*naming); 1159 naming++; 1160 numbts++; 1161 } 1162 1163 tmp[numbts] = ';'; 1164 tmp[numbts+1] = '1'; 1165 tmp[numbts+2] = '\0'; 1166 1167 /* 1168 * now tmp has exactly the identifier 1169 * we want so we'll copy it back to record 1170 */ 1171 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1172 1173 iter = TAILQ_NEXT(iter, cn_next_child); 1174 i++; 1175 } 1176 1177 free(tmp); 1178 return iter; 1179 } 1180 1181 /* Todo: Figure out why these functions are nec. */ 1182 static void 1183 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1184 { 1185 cd9660node *cn; 1186 1187 if (TAILQ_EMPTY(&node->cn_children)) 1188 return; 1189 1190 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1191 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1192 exit(1); 1193 } 1194 1195 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1196 cd9660_copy_filenames(diskStructure, cn); 1197 memcpy(cn->o_name, cn->isoDirRecord->name, 1198 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1199 } 1200 } 1201 1202 static void 1203 cd9660_sorting_nodes(cd9660node *node) 1204 { 1205 cd9660node *cn; 1206 1207 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1208 cd9660_sorting_nodes(cn); 1209 cd9660_sort_nodes(node); 1210 } 1211 1212 /* XXX Bubble sort. */ 1213 static void 1214 cd9660_sort_nodes(cd9660node *node) 1215 { 1216 cd9660node *cn, *next; 1217 1218 do { 1219 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1220 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1221 return; 1222 else if (strcmp(next->isoDirRecord->name, 1223 cn->isoDirRecord->name) >= 0) 1224 continue; 1225 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1226 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1227 break; 1228 } 1229 } while (cn != NULL); 1230 } 1231 1232 static int 1233 cd9660_count_collisions(cd9660node *copy) 1234 { 1235 int count = 0; 1236 cd9660node *iter, *next; 1237 1238 for (iter = copy; 1239 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1240 iter = next) { 1241 if (cd9660_compare_filename(iter->isoDirRecord->name, 1242 next->isoDirRecord->name) == 0) 1243 count++; 1244 else 1245 return count; 1246 } 1247 #if 0 1248 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1249 printf("%s: count is %i \n", __func__, count); 1250 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1251 next->isoDirRecord->name); 1252 if (compare == 0) { 1253 count++; 1254 return cd9660_recurse_on_collision(next, count); 1255 } else 1256 return count; 1257 } 1258 #endif 1259 return count; 1260 } 1261 1262 static cd9660node * 1263 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1264 { 1265 char newname[9]; 1266 cd9660node *tfile; 1267 1268 /* 1269 * This function needs to: 1270 * 1) Create an empty virtual file in place of the old directory 1271 * 2) Point the virtual file to the new directory 1272 * 3) Point the relocated directory to its old parent 1273 * 4) Move the directory specified by dir into rr_moved_dir, 1274 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1275 */ 1276 1277 /* First see if the moved directory even exists */ 1278 if (diskStructure->rr_moved_dir == NULL) { 1279 diskStructure->rr_moved_dir = cd9660_create_directory( 1280 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1281 diskStructure->rootNode, dir); 1282 if (diskStructure->rr_moved_dir == NULL) 1283 return 0; 1284 } 1285 1286 /* Create a file with the same ORIGINAL name */ 1287 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1288 dir); 1289 if (tfile == NULL) 1290 return NULL; 1291 1292 diskStructure->rock_ridge_move_count++; 1293 snprintf(newname, sizeof(newname), "%08i", 1294 diskStructure->rock_ridge_move_count); 1295 1296 /* Point to old parent */ 1297 dir->rr_real_parent = dir->parent; 1298 1299 /* Place the placeholder file */ 1300 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1301 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1302 cn_next_child); 1303 } else { 1304 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1305 } 1306 1307 /* Point to new parent */ 1308 dir->parent = diskStructure->rr_moved_dir; 1309 1310 /* Point the file to the moved directory */ 1311 tfile->rr_relocated = dir; 1312 1313 /* Actually move the directory */ 1314 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1315 1316 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1317 1318 /* Set the new name */ 1319 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1320 strncpy(dir->isoDirRecord->name, newname, 8); 1321 dir->isoDirRecord->length[0] = 34 + 8; 1322 dir->isoDirRecord->name_len[0] = 8; 1323 1324 return dir; 1325 } 1326 1327 static int 1328 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1329 { 1330 struct cd9660_children_head *head = &root->cn_children; 1331 cd9660node *cn; 1332 1333 TAILQ_FOREACH(cn, head, cn_next_child) { 1334 if ((cn->type & CD9660_TYPE_DIR) == 0) 1335 continue; 1336 /* Recursion first */ 1337 cd9660_add_dot_records(diskStructure, cn); 1338 } 1339 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1340 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1341 root); 1342 return 1; 1343 } 1344 1345 /* 1346 * Convert node to cd9660 structure 1347 * This function is designed to be called recursively on the root node of 1348 * the filesystem 1349 * Lots of recursion going on here, want to make sure it is efficient 1350 * @param struct fsnode * The root node to be converted 1351 * @param struct cd9660* The parent node (should not be NULL) 1352 * @param int Current directory depth 1353 * @param int* Running count of the number of directories that are being created 1354 */ 1355 static void 1356 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1357 cd9660node *parent_node, int level, int *numDirectories, int *error) 1358 { 1359 fsnode *iterator = root; 1360 cd9660node *this_node; 1361 int working_level; 1362 int add; 1363 int flag = 0; 1364 int counter = 0; 1365 1366 /* 1367 * Newer, more efficient method, reduces recursion depth 1368 */ 1369 if (root == NULL) { 1370 warnx("%s: root is null", __func__); 1371 return; 1372 } 1373 1374 /* Test for an empty directory - makefs still gives us the . record */ 1375 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1376 && (root->name[1] == '\0')) { 1377 root = root->next; 1378 if (root == NULL) 1379 return; 1380 } 1381 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1382 CD9660_MEM_ALLOC_ERROR(__func__); 1383 } 1384 1385 /* 1386 * To reduce the number of recursive calls, we will iterate over 1387 * the next pointers to the right. 1388 */ 1389 while (iterator != NULL) { 1390 add = 1; 1391 /* 1392 * Increment the directory count if this is a directory 1393 * Ignore "." entries. We will generate them later 1394 */ 1395 if (!S_ISDIR(iterator->type) || 1396 strcmp(iterator->name, ".") != 0) { 1397 1398 /* Translate the node, including its filename */ 1399 this_node->parent = parent_node; 1400 cd9660_translate_node(diskStructure, iterator, 1401 this_node); 1402 this_node->level = level; 1403 1404 if (S_ISDIR(iterator->type)) { 1405 (*numDirectories)++; 1406 this_node->type = CD9660_TYPE_DIR; 1407 working_level = level + 1; 1408 1409 /* 1410 * If at level 8, directory would be at 8 1411 * and have children at 9 which is not 1412 * allowed as per ISO spec 1413 */ 1414 if (level == 8) { 1415 if ((!diskStructure->allow_deep_trees) && 1416 (!diskStructure->rock_ridge_enabled)) { 1417 warnx("error: found entry " 1418 "with depth greater " 1419 "than 8."); 1420 (*error) = 1; 1421 return; 1422 } else if (diskStructure-> 1423 rock_ridge_enabled) { 1424 working_level = 3; 1425 /* 1426 * Moved directory is actually 1427 * at level 2. 1428 */ 1429 this_node->level = 1430 working_level - 1; 1431 if (cd9660_rrip_move_directory( 1432 diskStructure, 1433 this_node) == 0) { 1434 warnx("Failure in " 1435 "cd9660_rrip_" 1436 "move_directory" 1437 ); 1438 (*error) = 1; 1439 return; 1440 } 1441 add = 0; 1442 } 1443 } 1444 1445 /* Do the recursive call on the children */ 1446 if (iterator->child != 0) { 1447 cd9660_convert_structure(diskStructure, 1448 iterator->child, this_node, 1449 working_level, 1450 numDirectories, error); 1451 1452 if ((*error) == 1) { 1453 warnx("%s: Error on recursive " 1454 "call", __func__); 1455 return; 1456 } 1457 } 1458 1459 } else { 1460 /* Only directories should have children */ 1461 assert(iterator->child == NULL); 1462 1463 this_node->type = CD9660_TYPE_FILE; 1464 } 1465 1466 /* 1467 * Finally, do a sorted insert 1468 */ 1469 if (add) { 1470 cd9660_sorted_child_insert( 1471 parent_node, this_node); 1472 } 1473 1474 /*Allocate new temp_node */ 1475 if (iterator->next != 0) { 1476 this_node = cd9660_allocate_cd9660node(); 1477 if (this_node == NULL) 1478 CD9660_MEM_ALLOC_ERROR(__func__); 1479 } 1480 } 1481 iterator = iterator->next; 1482 } 1483 1484 /* cd9660_handle_collisions(first_node); */ 1485 1486 /* TODO: need cleanup */ 1487 cd9660_copy_filenames(diskStructure, parent_node); 1488 1489 do { 1490 flag = cd9660_handle_collisions(diskStructure, parent_node, 1491 counter); 1492 counter++; 1493 cd9660_sorting_nodes(parent_node); 1494 } while ((flag == 1) && (counter < 100)); 1495 } 1496 1497 /* 1498 * Clean up the cd9660node tree 1499 * This is designed to be called recursively on the root node 1500 * @param struct cd9660node *root The node to free 1501 * @returns void 1502 */ 1503 static void 1504 cd9660_free_structure(cd9660node *root) 1505 { 1506 cd9660node *cn; 1507 1508 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1509 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1510 cd9660_free_structure(cn); 1511 } 1512 free(root); 1513 } 1514 1515 /* 1516 * Be a little more memory conservative: 1517 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1518 * just create a temporary structure 1519 */ 1520 struct ptq_entry 1521 { 1522 TAILQ_ENTRY(ptq_entry) ptq; 1523 cd9660node *node; 1524 } *n; 1525 1526 #define PTQUEUE_NEW(n,s,r,t){\ 1527 n = emalloc(sizeof(struct s)); \ 1528 if (n == NULL) \ 1529 return r; \ 1530 n->node = t;\ 1531 } 1532 1533 /* 1534 * Generate the path tables 1535 * The specific implementation of this function is left as an exercise to the 1536 * programmer. It could be done recursively. Make sure you read how the path 1537 * table has to be laid out, it has levels. 1538 * @param struct iso9660_disk *disk The disk image 1539 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1540 */ 1541 static int 1542 cd9660_generate_path_table(iso9660_disk *diskStructure) 1543 { 1544 cd9660node *cn, *dirNode = diskStructure->rootNode; 1545 cd9660node *last = dirNode; 1546 int pathTableSize = 0; /* computed as we go */ 1547 int counter = 1; /* root gets a count of 0 */ 1548 1549 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1550 TAILQ_INIT(&pt_head); 1551 1552 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1553 1554 /* Push the root node */ 1555 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1556 1557 /* Breadth-first traversal of file structure */ 1558 while (pt_head.tqh_first != 0) { 1559 n = pt_head.tqh_first; 1560 dirNode = n->node; 1561 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1562 free(n); 1563 1564 /* Update the size */ 1565 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1566 + dirNode->isoDirRecord->name_len[0]+ 1567 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1568 /* includes the padding bit */ 1569 1570 dirNode->ptnumber=counter; 1571 if (dirNode != last) { 1572 last->ptnext = dirNode; 1573 dirNode->ptprev = last; 1574 } 1575 last = dirNode; 1576 1577 /* Push children onto queue */ 1578 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1579 /* 1580 * Dont add the DOT and DOTDOT types to the path 1581 * table. 1582 */ 1583 if ((cn->type != CD9660_TYPE_DOT) 1584 && (cn->type != CD9660_TYPE_DOTDOT)) { 1585 1586 if (S_ISDIR(cn->node->type)) { 1587 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1588 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1589 } 1590 } 1591 } 1592 counter++; 1593 } 1594 return pathTableSize; 1595 } 1596 1597 void 1598 cd9660_compute_full_filename(cd9660node *node, char *buf) 1599 { 1600 int len; 1601 1602 len = CD9660MAXPATH + 1; 1603 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1604 node->node->path, node->node->name); 1605 if (len > CD9660MAXPATH) 1606 errx(1, "Pathname too long."); 1607 } 1608 1609 /* NEW filename conversion method */ 1610 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1611 char *, int); 1612 1613 1614 /* 1615 * TODO: These two functions are almost identical. 1616 * Some code cleanup is possible here 1617 * 1618 * XXX bounds checking! 1619 */ 1620 static int 1621 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1622 char *newname, int is_file) 1623 { 1624 /* 1625 * ISO 9660 : 10.1 1626 * File Name shall not contain more than 8 d or d1 characters 1627 * File Name Extension shall not contain more than 3 d or d1 characters 1628 * Directory Identifier shall not contain more than 8 d or d1 characters 1629 */ 1630 int namelen = 0; 1631 int extlen = 0; 1632 int found_ext = 0; 1633 1634 while (*oldname != '\0' && extlen < 3) { 1635 /* Handle period first, as it is special */ 1636 if (*oldname == '.') { 1637 if (found_ext) { 1638 *newname++ = '_'; 1639 extlen ++; 1640 } 1641 else { 1642 *newname++ = '.'; 1643 found_ext = 1; 1644 } 1645 } else { 1646 /* cut RISC OS file type off ISO name */ 1647 if (diskStructure->archimedes_enabled && 1648 *oldname == ',' && strlen(oldname) == 4) 1649 break; 1650 1651 /* Enforce 12.3 / 8 */ 1652 if (namelen == 8 && !found_ext) 1653 break; 1654 1655 if (islower((unsigned char)*oldname)) 1656 *newname++ = toupper((unsigned char)*oldname); 1657 else if (isupper((unsigned char)*oldname) 1658 || isdigit((unsigned char)*oldname)) 1659 *newname++ = *oldname; 1660 else 1661 *newname++ = '_'; 1662 1663 if (found_ext) 1664 extlen++; 1665 else 1666 namelen++; 1667 } 1668 oldname++; 1669 } 1670 if (is_file) { 1671 if (!found_ext && !diskStructure->omit_trailing_period) 1672 *newname++ = '.'; 1673 /* Add version */ 1674 sprintf(newname, ";%i", 1); 1675 } 1676 return namelen + extlen + found_ext; 1677 } 1678 1679 /* XXX bounds checking! */ 1680 static int 1681 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1682 char *newname, int is_file) 1683 { 1684 /* 1685 * ISO 9660 : 7.5.1 1686 * File name : 0+ d or d1 characters 1687 * separator 1 (.) 1688 * File name extension : 0+ d or d1 characters 1689 * separator 2 (;) 1690 * File version number (5 characters, 1-32767) 1691 * 1 <= Sum of File name and File name extension <= 30 1692 */ 1693 int namelen = 0; 1694 int extlen = 0; 1695 int found_ext = 0; 1696 1697 while (*oldname != '\0' && namelen + extlen < 30) { 1698 /* Handle period first, as it is special */ 1699 if (*oldname == '.') { 1700 if (found_ext) { 1701 if (diskStructure->allow_multidot) { 1702 *newname++ = '.'; 1703 } else { 1704 *newname++ = '_'; 1705 } 1706 extlen ++; 1707 } 1708 else { 1709 *newname++ = '.'; 1710 found_ext = 1; 1711 } 1712 } else { 1713 /* cut RISC OS file type off ISO name */ 1714 if (diskStructure->archimedes_enabled && 1715 *oldname == ',' && strlen(oldname) == 4) 1716 break; 1717 1718 if (islower((unsigned char)*oldname)) 1719 *newname++ = toupper((unsigned char)*oldname); 1720 else if (isupper((unsigned char)*oldname) || 1721 isdigit((unsigned char)*oldname)) 1722 *newname++ = *oldname; 1723 else if (diskStructure->allow_multidot && 1724 *oldname == '.') { 1725 *newname++ = '.'; 1726 } else { 1727 *newname++ = '_'; 1728 } 1729 1730 if (found_ext) 1731 extlen++; 1732 else 1733 namelen++; 1734 } 1735 oldname ++; 1736 } 1737 if (is_file) { 1738 if (!found_ext && !diskStructure->omit_trailing_period) 1739 *newname++ = '.'; 1740 /* Add version */ 1741 sprintf(newname, ";%i", 1); 1742 } 1743 return namelen + extlen + found_ext; 1744 } 1745 1746 #if 0 1747 static int 1748 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1749 char *newname, int is_file) 1750 { 1751 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1752 } 1753 #endif 1754 1755 1756 /* 1757 * Convert a file name to ISO compliant file name 1758 * @param char * oldname The original filename 1759 * @param char ** newname The new file name, in the appropriate character 1760 * set and of appropriate length 1761 * @param int 1 if file, 0 if directory 1762 * @returns int The length of the new string 1763 */ 1764 static int 1765 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1766 char *newname, int is_file) 1767 { 1768 /* NEW */ 1769 cd9660_filename_conversion_functor conversion_function = 0; 1770 if (diskStructure->isoLevel == 1) 1771 conversion_function = &cd9660_level1_convert_filename; 1772 else if (diskStructure->isoLevel == 2) 1773 conversion_function = &cd9660_level2_convert_filename; 1774 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1775 } 1776 1777 int 1778 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1779 { 1780 int size = node->isoDirRecord->length[0]; 1781 1782 if (diskStructure->rock_ridge_enabled) 1783 size += node->susp_entry_size; 1784 size += node->su_tail_size; 1785 size += size & 1; /* Ensure length of record is even. */ 1786 assert(size <= 254); 1787 return size; 1788 } 1789 1790 static void 1791 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1792 { 1793 node->dot_record->fileDataSector = node->fileDataSector; 1794 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1795 node->dot_record->isoDirRecord->name_len[0] = 1; 1796 node->dot_record->isoDirRecord->name[0] = 0; 1797 node->dot_record->isoDirRecord->name[1] = 0; 1798 node->dot_record->isoDirRecord->length[0] = 34; 1799 node->dot_record->fileRecordSize = 1800 cd9660_compute_record_size(diskStructure, node->dot_record); 1801 1802 if (node == diskStructure->rootNode) { 1803 node->dot_dot_record->fileDataSector = node->fileDataSector; 1804 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1805 34); 1806 } else { 1807 node->dot_dot_record->fileDataSector = 1808 node->parent->fileDataSector; 1809 memcpy(node->dot_dot_record->isoDirRecord, 1810 node->parent->isoDirRecord,34); 1811 } 1812 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1813 node->dot_dot_record->isoDirRecord->name[0] = 1; 1814 node->dot_dot_record->isoDirRecord->name[1] = 0; 1815 node->dot_dot_record->isoDirRecord->length[0] = 34; 1816 node->dot_dot_record->fileRecordSize = 1817 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1818 } 1819 1820 /* 1821 * @param struct cd9660node *node The node 1822 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1823 * @returns int The total size of files and directory entries (should be 1824 * a multiple of sector size) 1825 */ 1826 static int64_t 1827 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1828 int64_t startOffset) 1829 { 1830 /* 1831 * This function needs to compute the size of directory records and 1832 * runs, file lengths, and set the appropriate variables both in 1833 * cd9660node and isoDirEntry 1834 */ 1835 int64_t used_bytes = 0; 1836 int64_t current_sector_usage = 0; 1837 cd9660node *child; 1838 fsinode *inode; 1839 int64_t r; 1840 1841 assert(node != NULL); 1842 1843 1844 /* 1845 * NOTE : There needs to be some special case detection for 1846 * the "real root" node, since for it, node->node is undefined 1847 */ 1848 1849 node->fileDataSector = -1; 1850 1851 if (node->type & CD9660_TYPE_DIR) { 1852 node->fileRecordSize = cd9660_compute_record_size( 1853 diskStructure, node); 1854 /*Set what sector this directory starts in*/ 1855 node->fileDataSector = 1856 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1857 1858 cd9660_bothendian_dword(node->fileDataSector, 1859 node->isoDirRecord->extent); 1860 1861 /* 1862 * First loop over children, need to know the size of 1863 * their directory records 1864 */ 1865 node->fileSectorsUsed = 1; 1866 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1867 node->fileDataLength += 1868 cd9660_compute_record_size(diskStructure, child); 1869 if ((cd9660_compute_record_size(diskStructure, child) + 1870 current_sector_usage) >= 1871 diskStructure->sectorSize) { 1872 current_sector_usage = 0; 1873 node->fileSectorsUsed++; 1874 } 1875 1876 current_sector_usage += 1877 cd9660_compute_record_size(diskStructure, child); 1878 } 1879 1880 cd9660_bothendian_dword(node->fileSectorsUsed * 1881 diskStructure->sectorSize,node->isoDirRecord->size); 1882 1883 /* 1884 * This should point to the sector after the directory 1885 * record (or, the first byte in that sector) 1886 */ 1887 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1888 1889 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1890 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1891 /* Directories need recursive call */ 1892 if (S_ISDIR(child->node->type)) { 1893 r = cd9660_compute_offsets(diskStructure, child, 1894 used_bytes + startOffset); 1895 1896 if (r != -1) 1897 used_bytes += r; 1898 else 1899 return -1; 1900 } 1901 } 1902 1903 /* Explicitly set the . and .. records */ 1904 cd9660_populate_dot_records(diskStructure, node); 1905 1906 /* Finally, do another iteration to write the file data*/ 1907 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1908 child != NULL; 1909 child = TAILQ_NEXT(child, cn_next_child)) { 1910 /* Files need extent set */ 1911 if (S_ISDIR(child->node->type)) 1912 continue; 1913 child->fileRecordSize = 1914 cd9660_compute_record_size(diskStructure, child); 1915 1916 child->fileSectorsUsed = 1917 CD9660_BLOCKS(diskStructure->sectorSize, 1918 child->fileDataLength); 1919 1920 inode = child->node->inode; 1921 if ((inode->flags & FI_ALLOCATED) == 0) { 1922 inode->ino = 1923 CD9660_BLOCKS(diskStructure->sectorSize, 1924 used_bytes + startOffset); 1925 inode->flags |= FI_ALLOCATED; 1926 used_bytes += child->fileSectorsUsed * 1927 diskStructure->sectorSize; 1928 } else { 1929 INODE_WARNX(("%s: already allocated inode %d " 1930 "data sectors at %" PRIu32, __func__, 1931 (int)inode->st.st_ino, inode->ino)); 1932 } 1933 child->fileDataSector = inode->ino; 1934 cd9660_bothendian_dword(child->fileDataSector, 1935 child->isoDirRecord->extent); 1936 } 1937 } 1938 1939 return used_bytes; 1940 } 1941 1942 #if 0 1943 /* Might get rid of this func */ 1944 static int 1945 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1946 { 1947 to->node->inode->st.st_dev = 0; 1948 to->node->inode->st.st_ino = 0; 1949 to->node->inode->st.st_size = 0; 1950 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1951 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1952 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1953 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1954 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1955 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1956 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1957 /* Clear out type */ 1958 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1959 if (file) 1960 to->node->inode->st.st_mode |= S_IFREG; 1961 else 1962 to->node->inode->st.st_mode |= S_IFDIR; 1963 return 1; 1964 } 1965 #endif 1966 1967 static cd9660node * 1968 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1969 cd9660node *parent, int file, int insert) 1970 { 1971 cd9660node *temp; 1972 fsnode * tfsnode; 1973 1974 assert(parent != NULL); 1975 1976 temp = cd9660_allocate_cd9660node(); 1977 if (temp == NULL) 1978 return NULL; 1979 1980 tfsnode = emalloc(sizeof(*tfsnode)); 1981 tfsnode->name = estrdup(name); 1982 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1983 1984 cd9660_convert_filename(diskStructure, tfsnode->name, 1985 temp->isoDirRecord->name, file); 1986 1987 temp->node = tfsnode; 1988 temp->parent = parent; 1989 1990 if (insert) { 1991 if (temp->parent != NULL) { 1992 temp->level = temp->parent->level + 1; 1993 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1994 cd9660_sorted_child_insert(temp->parent, temp); 1995 else 1996 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1997 temp, cn_next_child); 1998 } 1999 } 2000 2001 if (parent->node != NULL) { 2002 tfsnode->type = parent->node->type; 2003 } 2004 2005 /* Clear out file type bits */ 2006 tfsnode->type &= ~(S_IFMT); 2007 if (file) 2008 tfsnode->type |= S_IFREG; 2009 else 2010 tfsnode->type |= S_IFDIR; 2011 2012 /* Indicate that there is no spec entry (inode) */ 2013 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2014 #if 0 2015 cd9660_copy_stat_info(parent, temp, file); 2016 #endif 2017 return temp; 2018 } 2019 2020 static cd9660node * 2021 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2022 cd9660node *parent, cd9660node *me) 2023 { 2024 cd9660node *temp; 2025 2026 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2027 if (temp == NULL) 2028 return NULL; 2029 2030 temp->fileDataLength = 0; 2031 2032 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2033 2034 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2035 *temp->node->inode = *me->node->inode; 2036 2037 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2038 return NULL; 2039 return temp; 2040 } 2041 2042 /* 2043 * Create a new directory which does not exist on disk 2044 * @param const char * name The name to assign to the directory 2045 * @param const char * parent Pointer to the parent directory 2046 * @returns cd9660node * Pointer to the new directory 2047 */ 2048 static cd9660node * 2049 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2050 cd9660node *parent, cd9660node *me) 2051 { 2052 cd9660node *temp; 2053 2054 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2055 if (temp == NULL) 2056 return NULL; 2057 temp->node->type |= S_IFDIR; 2058 2059 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2060 2061 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2062 *temp->node->inode = *me->node->inode; 2063 2064 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2065 return NULL; 2066 return temp; 2067 } 2068 2069 static cd9660node * 2070 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2071 cd9660node *parent) 2072 { 2073 cd9660node *temp, *first; 2074 char na[2]; 2075 2076 assert(parent != NULL); 2077 2078 if (type == CD9660_TYPE_DOT) 2079 na[0] = 0; 2080 else if (type == CD9660_TYPE_DOTDOT) 2081 na[0] = 1; 2082 else 2083 return 0; 2084 2085 na[1] = 0; 2086 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2087 0, 0)) == NULL) 2088 return NULL; 2089 2090 temp->parent = parent; 2091 temp->type = type; 2092 temp->isoDirRecord->length[0] = 34; 2093 /* Dot record is always first */ 2094 if (type == CD9660_TYPE_DOT) { 2095 parent->dot_record = temp; 2096 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2097 /* DotDot should be second */ 2098 } else if (type == CD9660_TYPE_DOTDOT) { 2099 parent->dot_dot_record = temp; 2100 /* 2101 * If the first child is the dot record, insert 2102 * this second. Otherwise, insert it at the head. 2103 */ 2104 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2105 (first->type & CD9660_TYPE_DOT) == 0) { 2106 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2107 cn_next_child); 2108 } else { 2109 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2110 cn_next_child); 2111 } 2112 } 2113 2114 return temp; 2115 } 2116 2117 static int 2118 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2119 { 2120 struct stat stbuf; 2121 2122 assert(bootimage != NULL); 2123 2124 if (*bootimage == '\0') { 2125 warnx("Error: Boot image must be a filename"); 2126 return 0; 2127 } 2128 2129 diskStructure->generic_bootimage = estrdup(bootimage); 2130 2131 /* Get information about the file */ 2132 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2133 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2134 diskStructure->generic_bootimage); 2135 2136 if (stbuf.st_size > 32768) { 2137 warnx("Error: Boot image must be no greater than 32768 bytes"); 2138 return 0; 2139 } 2140 2141 if (diskStructure->verbose_level > 0) { 2142 printf("Generic boot image image has size %lld\n", 2143 (long long)stbuf.st_size); 2144 } 2145 2146 diskStructure->has_generic_bootimage = 1; 2147 2148 return 1; 2149 } 2150
Indexes created Thu Sep 25 08:09:54 GMT 2025