1 /* $NetBSD: cd9660.c,v 1.52 2015/12/24 15:52:37 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 1.52 2015/12/24 15:52:37 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 *, size_t, 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, 343 size_t length, char testmode, char * dest) 344 { 345 size_t len; 346 int test; 347 348 if (val == NULL) 349 warnx("error: The %s requires a string argument", fieldtitle); 350 else if ((len = strlen(val)) <= length) { 351 if (testmode == 'd') 352 test = cd9660_valid_d_chars(val); 353 else 354 test = cd9660_valid_a_chars(val); 355 if (test) { 356 memcpy(dest, val, len); 357 if (test == 2) 358 cd9660_uppercase_characters(dest, len); 359 return 1; 360 } else 361 warnx("error: The %s must be composed of " 362 "%c-characters", fieldtitle, testmode); 363 } else 364 warnx("error: The %s must be at most 32 characters long", 365 fieldtitle); 366 return 0; 367 } 368 369 /* 370 * Command-line parsing function 371 */ 372 373 int 374 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 375 { 376 int rv, i; 377 iso9660_disk *diskStructure = fsopts->fs_specific; 378 option_t *cd9660_options = fsopts->fs_options; 379 char buf[1024]; 380 const char *name, *desc; 381 382 assert(option != NULL); 383 384 if (debug & DEBUG_FS_PARSE_OPTS) 385 printf("%s: got `%s'\n", __func__, option); 386 387 i = set_option(cd9660_options, option, buf, sizeof(buf)); 388 if (i == -1) 389 return 0; 390 391 if (cd9660_options[i].name == NULL) 392 abort(); 393 394 395 name = cd9660_options[i].name; 396 desc = cd9660_options[i].desc; 397 switch (cd9660_options[i].letter) { 398 case 'h': 399 case 'S': 400 rv = 0; /* this is not handled yet */ 401 break; 402 case 'L': 403 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 404 diskStructure->primaryDescriptor.volume_id); 405 break; 406 case 'A': 407 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 408 diskStructure->primaryDescriptor.application_id); 409 break; 410 case 'P': 411 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 412 diskStructure->primaryDescriptor.publisher_id); 413 break; 414 case 'p': 415 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 416 diskStructure->primaryDescriptor.preparer_id); 417 break; 418 case 'V': 419 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 420 diskStructure->primaryDescriptor.volume_set_id); 421 break; 422 /* Boot options */ 423 case 'B': 424 if (buf[0] == '\0') { 425 warnx("The Boot Image parameter requires a valid boot" 426 " information string"); 427 rv = 0; 428 } else 429 rv = cd9660_add_boot_disk(diskStructure, buf); 430 break; 431 case 'G': 432 if (buf[0] == '\0') { 433 warnx("The Generic Boot Image parameter requires a" 434 " valid boot information string"); 435 rv = 0; 436 } else 437 rv = cd9660_add_generic_bootimage(diskStructure, buf); 438 break; 439 default: 440 if (strcmp(name, "bootimagedir") == 0) { 441 /* 442 * XXXfvdl this is unused. 443 */ 444 if (buf[0] == '\0') { 445 warnx("The Boot Image Directory parameter" 446 " requires a directory name"); 447 rv = 0; 448 } else { 449 diskStructure->boot_image_directory = 450 emalloc(strlen(buf) + 1); 451 /* BIG TODO: Add the max length function here */ 452 rv = cd9660_arguments_set_string(buf, desc, 12, 453 'd', diskStructure->boot_image_directory); 454 } 455 } else if (strcmp(name, "no-emul-boot") == 0 || 456 strcmp(name, "no-boot") == 0 || 457 strcmp(name, "hard-disk-boot") == 0) { 458 /* RRIP */ 459 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 460 rv = 1; 461 } else if (strcmp(name, "boot-load-segment") == 0) { 462 if (buf[0] == '\0') { 463 warnx("Option `%s' doesn't contain a value", 464 name); 465 rv = 0; 466 } else { 467 cd9660_eltorito_add_boot_option(diskStructure, 468 name, buf); 469 rv = 1; 470 } 471 } else 472 rv = 1; 473 } 474 return rv; 475 } 476 477 /* 478 * Main function for cd9660_makefs 479 * Builds the ISO image file 480 * @param const char *image The image filename to create 481 * @param const char *dir The directory that is being read 482 * @param struct fsnode *root The root node of the filesystem tree 483 * @param struct fsinfo_t *fsopts Any options 484 */ 485 void 486 cd9660_makefs(const char *image, const char *dir, fsnode *root, 487 fsinfo_t *fsopts) 488 { 489 int64_t startoffset; 490 int numDirectories; 491 uint64_t pathTableSectors; 492 int64_t firstAvailableSector; 493 int64_t totalSpace; 494 int error; 495 cd9660node *real_root; 496 iso9660_disk *diskStructure = fsopts->fs_specific; 497 498 if (diskStructure->verbose_level > 0) 499 printf("%s: ISO level is %i\n", __func__, 500 diskStructure->isoLevel); 501 if (diskStructure->isoLevel < 2 && 502 diskStructure->allow_multidot) 503 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 504 505 assert(image != NULL); 506 assert(dir != NULL); 507 assert(root != NULL); 508 509 if (diskStructure->displayHelp) { 510 /* 511 * Display help here - probably want to put it in 512 * a separate function 513 */ 514 return; 515 } 516 517 if (diskStructure->verbose_level > 0) 518 printf("%s: image %s directory %s root %p\n", __func__, 519 image, dir, root); 520 521 /* Set up some constants. Later, these will be defined with options */ 522 523 /* Counter needed for path tables */ 524 numDirectories = 0; 525 526 /* Convert tree to our own format */ 527 /* Actually, we now need to add the REAL root node, at level 0 */ 528 529 real_root = cd9660_allocate_cd9660node(); 530 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 531 /* Leave filename blank for root */ 532 memset(real_root->isoDirRecord->name, 0, 533 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 534 535 real_root->level = 0; 536 diskStructure->rootNode = real_root; 537 real_root->type = CD9660_TYPE_DIR; 538 error = 0; 539 real_root->node = root; 540 cd9660_convert_structure(diskStructure, root, real_root, 1, 541 &numDirectories, &error); 542 543 if (TAILQ_EMPTY(&real_root->cn_children)) { 544 errx(EXIT_FAILURE, "%s: converted directory is empty. " 545 "Tree conversion failed", __func__); 546 } else if (error != 0) { 547 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 548 } else { 549 if (diskStructure->verbose_level > 0) 550 printf("%s: tree converted\n", __func__); 551 } 552 553 /* Add the dot and dot dot records */ 554 cd9660_add_dot_records(diskStructure, real_root); 555 556 cd9660_setup_root_node(diskStructure); 557 558 if (diskStructure->verbose_level > 0) 559 printf("%s: done converting tree\n", __func__); 560 561 /* non-SUSP extensions */ 562 if (diskStructure->archimedes_enabled) 563 archimedes_convert_tree(diskStructure->rootNode); 564 565 /* Rock ridge / SUSP init pass */ 566 if (diskStructure->rock_ridge_enabled) { 567 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 568 diskStructure->rootNode, NULL); 569 } 570 571 /* Build path table structure */ 572 diskStructure->pathTableLength = cd9660_generate_path_table( 573 diskStructure); 574 575 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 576 diskStructure->pathTableLength); 577 578 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 579 if (diskStructure->is_bootable) { 580 firstAvailableSector = cd9660_setup_boot(diskStructure, 581 firstAvailableSector); 582 if (firstAvailableSector < 0) 583 errx(EXIT_FAILURE, "setup_boot failed"); 584 } 585 /* LE first, then BE */ 586 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 587 diskStructure->primaryBigEndianTableSector = 588 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 589 590 /* Set the secondary ones to -1, not going to use them for now */ 591 diskStructure->secondaryBigEndianTableSector = -1; 592 diskStructure->secondaryLittleEndianTableSector = -1; 593 594 diskStructure->dataFirstSector = 595 diskStructure->primaryBigEndianTableSector + pathTableSectors; 596 if (diskStructure->verbose_level > 0) 597 printf("%s: Path table conversion complete. " 598 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 599 __func__, 600 diskStructure->pathTableLength, pathTableSectors); 601 602 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 603 604 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 605 606 diskStructure->totalSectors = diskStructure->dataFirstSector + 607 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 608 609 /* Disabled until pass 1 is done */ 610 if (diskStructure->rock_ridge_enabled) { 611 diskStructure->susp_continuation_area_start_sector = 612 diskStructure->totalSectors; 613 diskStructure->totalSectors += 614 CD9660_BLOCKS(diskStructure->sectorSize, 615 diskStructure->susp_continuation_area_size); 616 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 617 } 618 619 620 cd9660_finalize_PVD(diskStructure); 621 622 /* Add padding sectors, just for testing purposes right now */ 623 /* diskStructure->totalSectors+=150; */ 624 625 /* Debugging output */ 626 if (diskStructure->verbose_level > 0) { 627 printf("%s: Sectors 0-15 reserved\n", __func__); 628 printf("%s: Primary path tables starts in sector %" 629 PRId64 "\n", __func__, 630 diskStructure->primaryLittleEndianTableSector); 631 printf("%s: File data starts in sector %" 632 PRId64 "\n", __func__, diskStructure->dataFirstSector); 633 printf("%s: Total sectors: %" 634 PRId64 "\n", __func__, diskStructure->totalSectors); 635 } 636 637 /* 638 * Add padding sectors at the end 639 * TODO: Clean this up and separate padding 640 */ 641 if (diskStructure->include_padding_areas) 642 diskStructure->totalSectors += 150; 643 644 cd9660_write_image(diskStructure, image); 645 646 if (diskStructure->verbose_level > 1) { 647 debug_print_volume_descriptor_information(diskStructure); 648 debug_print_tree(diskStructure, real_root, 0); 649 debug_print_path_tree(real_root); 650 } 651 652 /* Clean up data structures */ 653 cd9660_free_structure(real_root); 654 655 if (diskStructure->verbose_level > 0) 656 printf("%s: done\n", __func__); 657 } 658 659 /* Generic function pointer - implement later */ 660 typedef int (*cd9660node_func)(cd9660node *); 661 662 static void 663 cd9660_finalize_PVD(iso9660_disk *diskStructure) 664 { 665 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 666 667 /* root should be a fixed size of 34 bytes since it has no name */ 668 memcpy(diskStructure->primaryDescriptor.root_directory_record, 669 diskStructure->rootNode->dot_record->isoDirRecord, 34); 670 671 /* In RRIP, this might be longer than 34 */ 672 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 673 674 /* Set up all the important numbers in the PVD */ 675 cd9660_bothendian_dword(diskStructure->totalSectors, 676 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 677 cd9660_bothendian_word(1, 678 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 679 cd9660_bothendian_word(1, 680 (unsigned char *) 681 diskStructure->primaryDescriptor.volume_sequence_number); 682 cd9660_bothendian_word(diskStructure->sectorSize, 683 (unsigned char *) 684 diskStructure->primaryDescriptor.logical_block_size); 685 cd9660_bothendian_dword(diskStructure->pathTableLength, 686 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 687 688 cd9660_731(diskStructure->primaryLittleEndianTableSector, 689 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 690 cd9660_732(diskStructure->primaryBigEndianTableSector, 691 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 692 693 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 694 695 /* Pad all strings with spaces instead of nulls */ 696 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 697 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 698 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 699 128); 700 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 701 128); 702 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 703 128); 704 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 705 128); 706 cd9660_pad_string_spaces( 707 diskStructure->primaryDescriptor.copyright_file_id, 37); 708 cd9660_pad_string_spaces( 709 diskStructure->primaryDescriptor.abstract_file_id, 37); 710 cd9660_pad_string_spaces( 711 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 712 713 /* Setup dates */ 714 cd9660_time_8426( 715 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 716 tstamp); 717 cd9660_time_8426( 718 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 719 tstamp); 720 721 #if 0 722 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 723 tstamp); 724 #endif 725 memset(diskStructure->primaryDescriptor.expiration_date, '0' ,16); 726 diskStructure->primaryDescriptor.expiration_date[16] = 0; 727 728 cd9660_time_8426( 729 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 730 tstamp); 731 } 732 733 static void 734 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 735 u_char ext_attr_length, u_char flags, 736 u_char name_len, const char * name) 737 { 738 record->ext_attr_length[0] = ext_attr_length; 739 record->flags[0] = ISO_FLAG_CLEAR | flags; 740 record->file_unit_size[0] = 0; 741 record->interleave[0] = 0; 742 cd9660_bothendian_word(1, record->volume_sequence_number); 743 record->name_len[0] = name_len; 744 memset(record->name, '\0', sizeof (record->name)); 745 memcpy(record->name, name, name_len); 746 record->length[0] = 33 + name_len; 747 748 /* Todo : better rounding */ 749 record->length[0] += (record->length[0] & 1) ? 1 : 0; 750 } 751 752 static void 753 cd9660_setup_root_node(iso9660_disk *diskStructure) 754 { 755 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 756 0, ISO_FLAG_DIRECTORY, 1, "\0"); 757 758 } 759 760 /*********** SUPPORT FUNCTIONS ***********/ 761 static int 762 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 763 { 764 /* Boot volume descriptor should come second */ 765 int sector = 16; 766 /* For now, a fixed 2 : PVD and terminator */ 767 volume_descriptor *temp, *t; 768 769 /* Set up the PVD */ 770 temp = emalloc(sizeof(*temp)); 771 temp->volumeDescriptorData = 772 (unsigned char *)&diskStructure->primaryDescriptor; 773 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 774 temp->volumeDescriptorData[6] = 1; 775 temp->sector = sector; 776 memcpy(temp->volumeDescriptorData + 1, 777 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 778 diskStructure->firstVolumeDescriptor = temp; 779 780 sector++; 781 /* Set up boot support if enabled. BVD must reside in sector 17 */ 782 if (diskStructure->is_bootable) { 783 t = emalloc(sizeof(*t)); 784 t->volumeDescriptorData = ecalloc(1, 2048); 785 temp->next = t; 786 temp = t; 787 t->sector = 17; 788 if (diskStructure->verbose_level > 0) 789 printf("Setting up boot volume descriptor\n"); 790 cd9660_setup_boot_volume_descriptor(diskStructure, t); 791 sector++; 792 } 793 794 /* Set up the terminator */ 795 t = emalloc(sizeof(*t)); 796 t->volumeDescriptorData = ecalloc(1, 2048); 797 temp->next = t; 798 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 799 t->next = 0; 800 t->volumeDescriptorData[6] = 1; 801 t->sector = sector; 802 memcpy(t->volumeDescriptorData + 1, 803 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 804 805 sector++; 806 return sector; 807 } 808 809 #if 0 810 /* 811 * Populate EAR at some point. Not required, but is used by NetBSD's 812 * cd9660 support 813 */ 814 static int 815 cd9660_fill_extended_attribute_record(cd9660node *node) 816 { 817 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 818 return 1; 819 } 820 #endif 821 822 static int 823 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 824 { 825 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 826 u_char flag; 827 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 828 829 /* Now populate the isoDirRecord structure */ 830 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 831 832 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 833 temp, !(S_ISDIR(newnode->node->type))); 834 835 flag = ISO_FLAG_CLEAR; 836 if (S_ISDIR(newnode->node->type)) 837 flag |= ISO_FLAG_DIRECTORY; 838 839 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 840 flag, strlen(temp), temp); 841 842 /* Set the various dates */ 843 844 /* If we want to use the current date and time */ 845 846 cd9660_time_915(newnode->isoDirRecord->date, tstamp); 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, 887 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 888 889 return 1; 890 } 891 892 /* 893 * Compares two ISO filenames 894 * @param const char * The first file name 895 * @param const char * The second file name 896 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 897 * the second is greater than the first 898 */ 899 static int 900 cd9660_compare_filename(const char *first, const char *second) 901 { 902 /* 903 * This can be made more optimal once it has been tested 904 * (the extra character, for example, is for testing) 905 */ 906 907 int p1 = 0; 908 int p2 = 0; 909 char c1, c2; 910 /* First, on the filename */ 911 912 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 913 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 914 c1 = first[p1]; 915 c2 = second[p2]; 916 if (c1 == '.' && c2 =='.') 917 break; 918 else if (c1 == '.') { 919 p2++; 920 c1 = ' '; 921 } else if (c2 == '.') { 922 p1++; 923 c2 = ' '; 924 } else { 925 p1++; 926 p2++; 927 } 928 929 if (c1 < c2) 930 return -1; 931 else if (c1 > c2) { 932 return 1; 933 } 934 } 935 936 if (first[p1] == '.' && second[p2] == '.') { 937 p1++; 938 p2++; 939 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 940 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 941 c1 = first[p1]; 942 c2 = second[p2]; 943 if (c1 == ';' && c2 == ';') 944 break; 945 else if (c1 == ';') { 946 p2++; 947 c1 = ' '; 948 } else if (c2 == ';') { 949 p1++; 950 c2 = ' '; 951 } else { 952 p1++; 953 p2++; 954 } 955 956 if (c1 < c2) 957 return -1; 958 else if (c1 > c2) 959 return 1; 960 } 961 } 962 return 0; 963 } 964 965 /* 966 * Insert a node into list with ISO sorting rules 967 * @param cd9660node * The head node of the list 968 * @param cd9660node * The node to be inserted 969 */ 970 static void 971 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 972 { 973 int compare; 974 cd9660node *cn; 975 struct cd9660_children_head *head = &parent->cn_children; 976 977 /* TODO: Optimize? */ 978 cn_new->parent = parent; 979 980 /* 981 * first will either be 0, the . or the .. 982 * if . or .., this means no other entry may be written before first 983 * if 0, the new node may be inserted at the head 984 */ 985 986 TAILQ_FOREACH(cn, head, cn_next_child) { 987 /* 988 * Dont insert a node twice - 989 * that would cause an infinite loop 990 */ 991 if (cn_new == cn) 992 return; 993 994 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 995 cn->isoDirRecord->name); 996 997 if (compare == 0) 998 compare = cd9660_compare_filename(cn_new->node->name, 999 cn->node->name); 1000 1001 if (compare < 0) 1002 break; 1003 } 1004 if (cn == NULL) 1005 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 1006 else 1007 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 1008 } 1009 1010 /* 1011 * Called After cd9660_sorted_child_insert 1012 * handles file collisions by suffixing each filname with ~n 1013 * where n represents the files respective place in the ordering 1014 */ 1015 static int 1016 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1017 int past) 1018 { 1019 cd9660node *iter, *next, *prev; 1020 int skip; 1021 int delete_chars = 0; 1022 int temp_past = past; 1023 int temp_skip; 1024 int flag = 0; 1025 cd9660node *end_of_range; 1026 1027 for (iter = TAILQ_FIRST(&colliding->cn_children); 1028 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1029 if (strcmp(iter->isoDirRecord->name, 1030 next->isoDirRecord->name) != 0) { 1031 iter = TAILQ_NEXT(iter, cn_next_child); 1032 continue; 1033 } 1034 flag = 1; 1035 temp_skip = skip = cd9660_count_collisions(iter); 1036 end_of_range = iter; 1037 while (temp_skip > 0) { 1038 temp_skip--; 1039 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1040 } 1041 temp_past = past; 1042 while (temp_past > 0) { 1043 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1044 end_of_range = next; 1045 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1046 iter = prev; 1047 else 1048 delete_chars++; 1049 temp_past--; 1050 } 1051 skip += past; 1052 iter = cd9660_rename_filename(diskStructure, iter, skip, 1053 delete_chars); 1054 } 1055 return flag; 1056 } 1057 1058 1059 static cd9660node * 1060 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1061 int delete_chars) 1062 { 1063 int i = 0; 1064 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count; 1065 char *naming; 1066 int maxlength; 1067 char *tmp; 1068 1069 if (diskStructure->verbose_level > 0) 1070 printf("Rename_filename called\n"); 1071 1072 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1073 if (diskStructure->isoLevel == 1) 1074 maxlength = 8; 1075 else if (diskStructure->isoLevel == 2) 1076 maxlength = 31; 1077 else 1078 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1079 1080 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1081 1082 while (i < num) { 1083 powers = 1; 1084 count = 0; 1085 digits = 1; 1086 multiplier = 1; 1087 while (((int)(i / powers) ) >= 10) { 1088 digits++; 1089 powers = powers * 10; 1090 } 1091 1092 naming = iter->o_name; 1093 1094 /* 1095 while ((*naming != '.') && (*naming != ';')) { 1096 naming++; 1097 count++; 1098 } 1099 */ 1100 1101 dot = -1; 1102 semi = -1; 1103 while (count < maxlength) { 1104 if (*naming == '.') 1105 dot = count; 1106 else if (*naming == ';') { 1107 semi = count; 1108 break; 1109 } 1110 naming++; 1111 count++; 1112 } 1113 1114 if ((count + digits) < maxlength) 1115 numbts = count; 1116 else 1117 numbts = maxlength - (digits); 1118 numbts -= delete_chars; 1119 1120 /* 8.3 rules - keep the extension, add before the dot */ 1121 1122 /* 1123 * This code makes a bunch of assumptions. 1124 * See if you can spot them all :) 1125 */ 1126 1127 #if 0 1128 if (diskStructure->isoLevel == 1) { 1129 numbts = 8 - digits - delete_chars; 1130 if (dot < 0) { 1131 1132 } else { 1133 if (dot < 8) { 1134 memmove(&tmp[numbts],&tmp[dot],4); 1135 } 1136 } 1137 } 1138 #else 1139 __USE(dot); 1140 __USE(semi); 1141 __USE(multiplier); 1142 #endif 1143 1144 /* (copying just the filename before the '.' */ 1145 memcpy(tmp, (iter->o_name), numbts); 1146 1147 /* adding the appropriate number following the name */ 1148 temp = i; 1149 while (digits > 0) { 1150 digit = (int)(temp / powers); 1151 temp = temp - digit * powers; 1152 sprintf(&tmp[numbts] , "%d", digit); 1153 digits--; 1154 numbts++; 1155 powers = powers / 10; 1156 } 1157 1158 while ((*naming != ';') && (numbts < maxlength)) { 1159 tmp[numbts] = (*naming); 1160 naming++; 1161 numbts++; 1162 } 1163 1164 tmp[numbts] = ';'; 1165 tmp[numbts+1] = '1'; 1166 tmp[numbts+2] = '\0'; 1167 1168 /* 1169 * now tmp has exactly the identifier 1170 * we want so we'll copy it back to record 1171 */ 1172 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1173 1174 iter = TAILQ_NEXT(iter, cn_next_child); 1175 i++; 1176 } 1177 1178 free(tmp); 1179 return iter; 1180 } 1181 1182 /* Todo: Figure out why these functions are nec. */ 1183 static void 1184 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1185 { 1186 cd9660node *cn; 1187 1188 if (TAILQ_EMPTY(&node->cn_children)) 1189 return; 1190 1191 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1192 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1193 exit(1); 1194 } 1195 1196 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1197 cd9660_copy_filenames(diskStructure, cn); 1198 memcpy(cn->o_name, cn->isoDirRecord->name, 1199 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1200 } 1201 } 1202 1203 static void 1204 cd9660_sorting_nodes(cd9660node *node) 1205 { 1206 cd9660node *cn; 1207 1208 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1209 cd9660_sorting_nodes(cn); 1210 cd9660_sort_nodes(node); 1211 } 1212 1213 /* XXX Bubble sort. */ 1214 static void 1215 cd9660_sort_nodes(cd9660node *node) 1216 { 1217 cd9660node *cn, *next; 1218 1219 do { 1220 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1221 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1222 return; 1223 else if (strcmp(next->isoDirRecord->name, 1224 cn->isoDirRecord->name) >= 0) 1225 continue; 1226 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1227 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1228 break; 1229 } 1230 } while (cn != NULL); 1231 } 1232 1233 static int 1234 cd9660_count_collisions(cd9660node *copy) 1235 { 1236 int count = 0; 1237 cd9660node *iter, *next; 1238 1239 for (iter = copy; 1240 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1241 iter = next) { 1242 if (cd9660_compare_filename(iter->isoDirRecord->name, 1243 next->isoDirRecord->name) == 0) 1244 count++; 1245 else 1246 return count; 1247 } 1248 #if 0 1249 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1250 printf("%s: count is %i \n", __func__, count); 1251 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1252 next->isoDirRecord->name); 1253 if (compare == 0) { 1254 count++; 1255 return cd9660_recurse_on_collision(next, count); 1256 } else 1257 return count; 1258 } 1259 #endif 1260 return count; 1261 } 1262 1263 static cd9660node * 1264 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1265 { 1266 char newname[9]; 1267 cd9660node *tfile; 1268 1269 /* 1270 * This function needs to: 1271 * 1) Create an empty virtual file in place of the old directory 1272 * 2) Point the virtual file to the new directory 1273 * 3) Point the relocated directory to its old parent 1274 * 4) Move the directory specified by dir into rr_moved_dir, 1275 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1276 */ 1277 1278 /* First see if the moved directory even exists */ 1279 if (diskStructure->rr_moved_dir == NULL) { 1280 diskStructure->rr_moved_dir = cd9660_create_directory( 1281 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1282 diskStructure->rootNode, dir); 1283 if (diskStructure->rr_moved_dir == NULL) 1284 return 0; 1285 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1286 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1287 } 1288 1289 /* Create a file with the same ORIGINAL name */ 1290 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1291 dir); 1292 if (tfile == NULL) 1293 return NULL; 1294 1295 diskStructure->rock_ridge_move_count++; 1296 snprintf(newname, sizeof(newname), "%08i", 1297 diskStructure->rock_ridge_move_count); 1298 1299 /* Point to old parent */ 1300 dir->rr_real_parent = dir->parent; 1301 1302 /* Place the placeholder file */ 1303 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1304 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1305 cn_next_child); 1306 } else { 1307 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1308 } 1309 1310 /* Point to new parent */ 1311 dir->parent = diskStructure->rr_moved_dir; 1312 1313 /* Point the file to the moved directory */ 1314 tfile->rr_relocated = dir; 1315 1316 /* Actually move the directory */ 1317 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1318 1319 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1320 1321 /* Set the new name */ 1322 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1323 strncpy(dir->isoDirRecord->name, newname, 8); 1324 dir->isoDirRecord->length[0] = 34 + 8; 1325 dir->isoDirRecord->name_len[0] = 8; 1326 1327 return dir; 1328 } 1329 1330 static int 1331 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1332 { 1333 struct cd9660_children_head *head = &root->cn_children; 1334 cd9660node *cn; 1335 1336 TAILQ_FOREACH(cn, head, cn_next_child) { 1337 if ((cn->type & CD9660_TYPE_DIR) == 0) 1338 continue; 1339 /* Recursion first */ 1340 cd9660_add_dot_records(diskStructure, cn); 1341 } 1342 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1343 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1344 root); 1345 return 1; 1346 } 1347 1348 /* 1349 * Convert node to cd9660 structure 1350 * This function is designed to be called recursively on the root node of 1351 * the filesystem 1352 * Lots of recursion going on here, want to make sure it is efficient 1353 * @param struct fsnode * The root node to be converted 1354 * @param struct cd9660* The parent node (should not be NULL) 1355 * @param int Current directory depth 1356 * @param int* Running count of the number of directories that are being created 1357 */ 1358 static void 1359 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1360 cd9660node *parent_node, int level, int *numDirectories, int *error) 1361 { 1362 fsnode *iterator = root; 1363 cd9660node *this_node; 1364 int working_level; 1365 int add; 1366 int flag = 0; 1367 int counter = 0; 1368 1369 /* 1370 * Newer, more efficient method, reduces recursion depth 1371 */ 1372 if (root == NULL) { 1373 warnx("%s: root is null", __func__); 1374 return; 1375 } 1376 1377 /* Test for an empty directory - makefs still gives us the . record */ 1378 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1379 && (root->name[1] == '\0')) { 1380 root = root->next; 1381 if (root == NULL) 1382 return; 1383 } 1384 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1385 CD9660_MEM_ALLOC_ERROR(__func__); 1386 } 1387 1388 /* 1389 * To reduce the number of recursive calls, we will iterate over 1390 * the next pointers to the right. 1391 */ 1392 while (iterator != NULL) { 1393 add = 1; 1394 /* 1395 * Increment the directory count if this is a directory 1396 * Ignore "." entries. We will generate them later 1397 */ 1398 if (!S_ISDIR(iterator->type) || 1399 strcmp(iterator->name, ".") != 0) { 1400 1401 /* Translate the node, including its filename */ 1402 this_node->parent = parent_node; 1403 cd9660_translate_node(diskStructure, iterator, 1404 this_node); 1405 this_node->level = level; 1406 1407 if (S_ISDIR(iterator->type)) { 1408 (*numDirectories)++; 1409 this_node->type = CD9660_TYPE_DIR; 1410 working_level = level + 1; 1411 1412 /* 1413 * If at level 8, directory would be at 8 1414 * and have children at 9 which is not 1415 * allowed as per ISO spec 1416 */ 1417 if (level == 8) { 1418 if ((!diskStructure->allow_deep_trees) && 1419 (!diskStructure->rock_ridge_enabled)) { 1420 warnx("error: found entry " 1421 "with depth greater " 1422 "than 8."); 1423 (*error) = 1; 1424 return; 1425 } else if (diskStructure-> 1426 rock_ridge_enabled) { 1427 working_level = 3; 1428 /* 1429 * Moved directory is actually 1430 * at level 2. 1431 */ 1432 this_node->level = 1433 working_level - 1; 1434 if (cd9660_rrip_move_directory( 1435 diskStructure, 1436 this_node) == 0) { 1437 warnx("Failure in " 1438 "cd9660_rrip_" 1439 "move_directory" 1440 ); 1441 (*error) = 1; 1442 return; 1443 } 1444 add = 0; 1445 } 1446 } 1447 1448 /* Do the recursive call on the children */ 1449 if (iterator->child != 0) { 1450 cd9660_convert_structure(diskStructure, 1451 iterator->child, this_node, 1452 working_level, 1453 numDirectories, error); 1454 1455 if ((*error) == 1) { 1456 warnx("%s: Error on recursive " 1457 "call", __func__); 1458 return; 1459 } 1460 } 1461 1462 } else { 1463 /* Only directories should have children */ 1464 assert(iterator->child == NULL); 1465 1466 this_node->type = CD9660_TYPE_FILE; 1467 } 1468 1469 /* 1470 * Finally, do a sorted insert 1471 */ 1472 if (add) { 1473 cd9660_sorted_child_insert( 1474 parent_node, this_node); 1475 } 1476 1477 /*Allocate new temp_node */ 1478 if (iterator->next != 0) { 1479 this_node = cd9660_allocate_cd9660node(); 1480 if (this_node == NULL) 1481 CD9660_MEM_ALLOC_ERROR(__func__); 1482 } 1483 } 1484 iterator = iterator->next; 1485 } 1486 1487 /* cd9660_handle_collisions(first_node); */ 1488 1489 /* TODO: need cleanup */ 1490 cd9660_copy_filenames(diskStructure, parent_node); 1491 1492 do { 1493 flag = cd9660_handle_collisions(diskStructure, parent_node, 1494 counter); 1495 counter++; 1496 cd9660_sorting_nodes(parent_node); 1497 } while ((flag == 1) && (counter < 100)); 1498 } 1499 1500 /* 1501 * Clean up the cd9660node tree 1502 * This is designed to be called recursively on the root node 1503 * @param struct cd9660node *root The node to free 1504 * @returns void 1505 */ 1506 static void 1507 cd9660_free_structure(cd9660node *root) 1508 { 1509 cd9660node *cn; 1510 1511 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1512 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1513 cd9660_free_structure(cn); 1514 } 1515 free(root); 1516 } 1517 1518 /* 1519 * Be a little more memory conservative: 1520 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1521 * just create a temporary structure 1522 */ 1523 struct ptq_entry 1524 { 1525 TAILQ_ENTRY(ptq_entry) ptq; 1526 cd9660node *node; 1527 } *n; 1528 1529 #define PTQUEUE_NEW(n,s,r,t){\ 1530 n = emalloc(sizeof(struct s)); \ 1531 if (n == NULL) \ 1532 return r; \ 1533 n->node = t;\ 1534 } 1535 1536 /* 1537 * Generate the path tables 1538 * The specific implementation of this function is left as an exercise to the 1539 * programmer. It could be done recursively. Make sure you read how the path 1540 * table has to be laid out, it has levels. 1541 * @param struct iso9660_disk *disk The disk image 1542 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1543 */ 1544 static int 1545 cd9660_generate_path_table(iso9660_disk *diskStructure) 1546 { 1547 cd9660node *cn, *dirNode = diskStructure->rootNode; 1548 cd9660node *last = dirNode; 1549 int pathTableSize = 0; /* computed as we go */ 1550 int counter = 1; /* root gets a count of 0 */ 1551 1552 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1553 TAILQ_INIT(&pt_head); 1554 1555 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1556 1557 /* Push the root node */ 1558 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1559 1560 /* Breadth-first traversal of file structure */ 1561 while (pt_head.tqh_first != 0) { 1562 n = pt_head.tqh_first; 1563 dirNode = n->node; 1564 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1565 free(n); 1566 1567 /* Update the size */ 1568 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1569 + dirNode->isoDirRecord->name_len[0]+ 1570 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1571 /* includes the padding bit */ 1572 1573 dirNode->ptnumber=counter; 1574 if (dirNode != last) { 1575 last->ptnext = dirNode; 1576 dirNode->ptprev = last; 1577 } 1578 last = dirNode; 1579 1580 /* Push children onto queue */ 1581 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1582 /* 1583 * Dont add the DOT and DOTDOT types to the path 1584 * table. 1585 */ 1586 if ((cn->type != CD9660_TYPE_DOT) 1587 && (cn->type != CD9660_TYPE_DOTDOT)) { 1588 1589 if (S_ISDIR(cn->node->type)) { 1590 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1591 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1592 } 1593 } 1594 } 1595 counter++; 1596 } 1597 return pathTableSize; 1598 } 1599 1600 void 1601 cd9660_compute_full_filename(cd9660node *node, char *buf) 1602 { 1603 int len; 1604 1605 len = CD9660MAXPATH + 1; 1606 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1607 node->node->path, node->node->name); 1608 if (len > CD9660MAXPATH) 1609 errx(EXIT_FAILURE, "Pathname too long."); 1610 } 1611 1612 /* NEW filename conversion method */ 1613 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1614 char *, int); 1615 1616 1617 /* 1618 * TODO: These two functions are almost identical. 1619 * Some code cleanup is possible here 1620 * 1621 * XXX bounds checking! 1622 */ 1623 static int 1624 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1625 char *newname, int is_file) 1626 { 1627 /* 1628 * ISO 9660 : 10.1 1629 * File Name shall not contain more than 8 d or d1 characters 1630 * File Name Extension shall not contain more than 3 d or d1 characters 1631 * Directory Identifier shall not contain more than 8 d or d1 characters 1632 */ 1633 int namelen = 0; 1634 int extlen = 0; 1635 int found_ext = 0; 1636 1637 while (*oldname != '\0' && extlen < 3) { 1638 /* Handle period first, as it is special */ 1639 if (*oldname == '.') { 1640 if (found_ext) { 1641 *newname++ = '_'; 1642 extlen ++; 1643 } 1644 else { 1645 *newname++ = '.'; 1646 found_ext = 1; 1647 } 1648 } else { 1649 /* cut RISC OS file type off ISO name */ 1650 if (diskStructure->archimedes_enabled && 1651 *oldname == ',' && strlen(oldname) == 4) 1652 break; 1653 1654 /* Enforce 12.3 / 8 */ 1655 if (namelen == 8 && !found_ext) 1656 break; 1657 1658 if (islower((unsigned char)*oldname)) 1659 *newname++ = toupper((unsigned char)*oldname); 1660 else if (isupper((unsigned char)*oldname) 1661 || isdigit((unsigned char)*oldname)) 1662 *newname++ = *oldname; 1663 else 1664 *newname++ = '_'; 1665 1666 if (found_ext) 1667 extlen++; 1668 else 1669 namelen++; 1670 } 1671 oldname++; 1672 } 1673 if (is_file) { 1674 if (!found_ext && !diskStructure->omit_trailing_period) 1675 *newname++ = '.'; 1676 /* Add version */ 1677 sprintf(newname, ";%i", 1); 1678 } 1679 return namelen + extlen + found_ext; 1680 } 1681 1682 /* XXX bounds checking! */ 1683 static int 1684 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1685 char *newname, int is_file) 1686 { 1687 /* 1688 * ISO 9660 : 7.5.1 1689 * File name : 0+ d or d1 characters 1690 * separator 1 (.) 1691 * File name extension : 0+ d or d1 characters 1692 * separator 2 (;) 1693 * File version number (5 characters, 1-32767) 1694 * 1 <= Sum of File name and File name extension <= 30 1695 */ 1696 int namelen = 0; 1697 int extlen = 0; 1698 int found_ext = 0; 1699 1700 while (*oldname != '\0' && namelen + extlen < 30) { 1701 /* Handle period first, as it is special */ 1702 if (*oldname == '.') { 1703 if (found_ext) { 1704 if (diskStructure->allow_multidot) { 1705 *newname++ = '.'; 1706 } else { 1707 *newname++ = '_'; 1708 } 1709 extlen ++; 1710 } 1711 else { 1712 *newname++ = '.'; 1713 found_ext = 1; 1714 } 1715 } else { 1716 /* cut RISC OS file type off ISO name */ 1717 if (diskStructure->archimedes_enabled && 1718 *oldname == ',' && strlen(oldname) == 4) 1719 break; 1720 1721 if (islower((unsigned char)*oldname)) 1722 *newname++ = toupper((unsigned char)*oldname); 1723 else if (isupper((unsigned char)*oldname) || 1724 isdigit((unsigned char)*oldname)) 1725 *newname++ = *oldname; 1726 else if (diskStructure->allow_multidot && 1727 *oldname == '.') { 1728 *newname++ = '.'; 1729 } else { 1730 *newname++ = '_'; 1731 } 1732 1733 if (found_ext) 1734 extlen++; 1735 else 1736 namelen++; 1737 } 1738 oldname ++; 1739 } 1740 if (is_file) { 1741 if (!found_ext && !diskStructure->omit_trailing_period) 1742 *newname++ = '.'; 1743 /* Add version */ 1744 sprintf(newname, ";%i", 1); 1745 } 1746 return namelen + extlen + found_ext; 1747 } 1748 1749 #if 0 1750 static int 1751 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1752 char *newname, int is_file) 1753 { 1754 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1755 } 1756 #endif 1757 1758 1759 /* 1760 * Convert a file name to ISO compliant file name 1761 * @param char * oldname The original filename 1762 * @param char ** newname The new file name, in the appropriate character 1763 * set and of appropriate length 1764 * @param int 1 if file, 0 if directory 1765 * @returns int The length of the new string 1766 */ 1767 static int 1768 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1769 char *newname, int is_file) 1770 { 1771 /* NEW */ 1772 cd9660_filename_conversion_functor conversion_function = 0; 1773 if (diskStructure->isoLevel == 1) 1774 conversion_function = &cd9660_level1_convert_filename; 1775 else if (diskStructure->isoLevel == 2) 1776 conversion_function = &cd9660_level2_convert_filename; 1777 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1778 } 1779 1780 int 1781 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1782 { 1783 int size = node->isoDirRecord->length[0]; 1784 1785 if (diskStructure->rock_ridge_enabled) 1786 size += node->susp_entry_size; 1787 size += node->su_tail_size; 1788 size += size & 1; /* Ensure length of record is even. */ 1789 assert(size <= 254); 1790 return size; 1791 } 1792 1793 static void 1794 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1795 { 1796 node->dot_record->fileDataSector = node->fileDataSector; 1797 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1798 node->dot_record->isoDirRecord->name_len[0] = 1; 1799 node->dot_record->isoDirRecord->name[0] = 0; 1800 node->dot_record->isoDirRecord->name[1] = 0; 1801 node->dot_record->isoDirRecord->length[0] = 34; 1802 node->dot_record->fileRecordSize = 1803 cd9660_compute_record_size(diskStructure, node->dot_record); 1804 1805 if (node == diskStructure->rootNode) { 1806 node->dot_dot_record->fileDataSector = node->fileDataSector; 1807 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1808 34); 1809 } else { 1810 node->dot_dot_record->fileDataSector = 1811 node->parent->fileDataSector; 1812 memcpy(node->dot_dot_record->isoDirRecord, 1813 node->parent->isoDirRecord,34); 1814 } 1815 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1816 node->dot_dot_record->isoDirRecord->name[0] = 1; 1817 node->dot_dot_record->isoDirRecord->name[1] = 0; 1818 node->dot_dot_record->isoDirRecord->length[0] = 34; 1819 node->dot_dot_record->fileRecordSize = 1820 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1821 } 1822 1823 /* 1824 * @param struct cd9660node *node The node 1825 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1826 * @returns int The total size of files and directory entries (should be 1827 * a multiple of sector size) 1828 */ 1829 static int64_t 1830 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1831 int64_t startOffset) 1832 { 1833 /* 1834 * This function needs to compute the size of directory records and 1835 * runs, file lengths, and set the appropriate variables both in 1836 * cd9660node and isoDirEntry 1837 */ 1838 int64_t used_bytes = 0; 1839 int64_t current_sector_usage = 0; 1840 cd9660node *child; 1841 fsinode *inode; 1842 int64_t r; 1843 1844 assert(node != NULL); 1845 1846 1847 /* 1848 * NOTE : There needs to be some special case detection for 1849 * the "real root" node, since for it, node->node is undefined 1850 */ 1851 1852 node->fileDataSector = -1; 1853 1854 if (node->type & CD9660_TYPE_DIR) { 1855 node->fileRecordSize = cd9660_compute_record_size( 1856 diskStructure, 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(diskStructure, child); 1872 if ((cd9660_compute_record_size(diskStructure, 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(diskStructure, 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(diskStructure, 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(diskStructure, 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(diskStructure, 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(iso9660_disk *diskStructure, const char *name, 1972 cd9660node *parent, int file, 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 tfsnode = emalloc(sizeof(*tfsnode)); 1984 tfsnode->name = estrdup(name); 1985 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1986 1987 cd9660_convert_filename(diskStructure, tfsnode->name, 1988 temp->isoDirRecord->name, file); 1989 1990 temp->node = tfsnode; 1991 temp->parent = parent; 1992 1993 if (insert) { 1994 if (temp->parent != NULL) { 1995 temp->level = temp->parent->level + 1; 1996 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1997 cd9660_sorted_child_insert(temp->parent, temp); 1998 else 1999 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 2000 temp, cn_next_child); 2001 } 2002 } 2003 2004 if (parent->node != NULL) { 2005 tfsnode->type = parent->node->type; 2006 } 2007 2008 /* Clear out file type bits */ 2009 tfsnode->type &= ~(S_IFMT); 2010 if (file) 2011 tfsnode->type |= S_IFREG; 2012 else 2013 tfsnode->type |= S_IFDIR; 2014 2015 /* Indicate that there is no spec entry (inode) */ 2016 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 2017 #if 0 2018 cd9660_copy_stat_info(parent, temp, file); 2019 #endif 2020 return temp; 2021 } 2022 2023 static cd9660node * 2024 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2025 cd9660node *parent, cd9660node *me) 2026 { 2027 cd9660node *temp; 2028 2029 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2030 if (temp == NULL) 2031 return NULL; 2032 2033 temp->fileDataLength = 0; 2034 2035 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2036 2037 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2038 *temp->node->inode = *me->node->inode; 2039 2040 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2041 return NULL; 2042 return temp; 2043 } 2044 2045 /* 2046 * Create a new directory which does not exist on disk 2047 * @param const char * name The name to assign to the directory 2048 * @param const char * parent Pointer to the parent directory 2049 * @returns cd9660node * Pointer to the new directory 2050 */ 2051 static cd9660node * 2052 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2053 cd9660node *parent, cd9660node *me) 2054 { 2055 cd9660node *temp; 2056 2057 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2058 if (temp == NULL) 2059 return NULL; 2060 temp->node->type |= S_IFDIR; 2061 2062 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2063 2064 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2065 *temp->node->inode = *me->node->inode; 2066 2067 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2068 return NULL; 2069 return temp; 2070 } 2071 2072 static cd9660node * 2073 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2074 cd9660node *parent) 2075 { 2076 cd9660node *temp, *first; 2077 char na[2]; 2078 2079 assert(parent != NULL); 2080 2081 if (type == CD9660_TYPE_DOT) 2082 na[0] = 0; 2083 else if (type == CD9660_TYPE_DOTDOT) 2084 na[0] = 1; 2085 else 2086 return 0; 2087 2088 na[1] = 0; 2089 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2090 0, 0)) == NULL) 2091 return NULL; 2092 2093 temp->parent = parent; 2094 temp->type = type; 2095 temp->isoDirRecord->length[0] = 34; 2096 /* Dot record is always first */ 2097 if (type == CD9660_TYPE_DOT) { 2098 parent->dot_record = temp; 2099 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2100 /* DotDot should be second */ 2101 } else if (type == CD9660_TYPE_DOTDOT) { 2102 parent->dot_dot_record = temp; 2103 /* 2104 * If the first child is the dot record, insert 2105 * this second. Otherwise, insert it at the head. 2106 */ 2107 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2108 (first->type & CD9660_TYPE_DOT) == 0) { 2109 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2110 cn_next_child); 2111 } else { 2112 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2113 cn_next_child); 2114 } 2115 } 2116 2117 return temp; 2118 } 2119 2120 static int 2121 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2122 { 2123 struct stat stbuf; 2124 2125 assert(bootimage != NULL); 2126 2127 if (*bootimage == '\0') { 2128 warnx("Error: Boot image must be a filename"); 2129 return 0; 2130 } 2131 2132 diskStructure->generic_bootimage = estrdup(bootimage); 2133 2134 /* Get information about the file */ 2135 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2136 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2137 diskStructure->generic_bootimage); 2138 2139 if (stbuf.st_size > 32768) { 2140 warnx("Error: Boot image must be no greater than 32768 bytes"); 2141 return 0; 2142 } 2143 2144 if (diskStructure->verbose_level > 0) { 2145 printf("Generic boot image image has size %lld\n", 2146 (long long)stbuf.st_size); 2147 } 2148 2149 diskStructure->has_generic_bootimage = 1; 2150 2151 return 1; 2152 } 2153