1 /* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 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 #include <sys/cdefs.h> 99 __FBSDID("$FreeBSD$"); 100 101 #include <sys/param.h> 102 #include <sys/queue.h> 103 #include <ctype.h> 104 #include <stdlib.h> 105 #include <string.h> 106 #include <util.h> 107 108 #include "makefs.h" 109 #include "cd9660.h" 110 #include "cd9660/iso9660_rrip.h" 111 #include "cd9660/cd9660_archimedes.h" 112 113 static void cd9660_finalize_PVD(iso9660_disk *); 114 static cd9660node *cd9660_allocate_cd9660node(void); 115 static void cd9660_set_defaults(iso9660_disk *); 116 static int cd9660_arguments_set_string(const char *, const char *, int, 117 char, char *); 118 static void cd9660_populate_iso_dir_record( 119 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char, 120 const char *); 121 static void cd9660_setup_root_node(iso9660_disk *); 122 static int cd9660_setup_volume_descriptors(iso9660_disk *); 123 #if 0 124 static int cd9660_fill_extended_attribute_record(cd9660node *); 125 #endif 126 static void cd9660_sort_nodes(cd9660node *); 127 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *); 128 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *); 129 static int cd9660_compare_filename(const char *, const char *); 130 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *); 131 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int); 132 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int, 133 int); 134 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *); 135 static void cd9660_sorting_nodes(cd9660node *); 136 static int cd9660_count_collisions(cd9660node *); 137 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *); 138 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *); 139 140 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int, 141 int *, int *); 142 static void cd9660_free_structure(cd9660node *); 143 static int cd9660_generate_path_table(iso9660_disk *); 144 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *, 145 int); 146 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *, 147 int); 148 #if 0 149 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *, 150 int); 151 #endif 152 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int); 153 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *); 154 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t); 155 #if 0 156 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int); 157 #endif 158 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *, 159 cd9660node *, int, int); 160 static cd9660node *cd9660_create_file(iso9660_disk *, const char *, 161 cd9660node *, cd9660node *); 162 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *, 163 cd9660node *, cd9660node *); 164 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char, 165 cd9660node *); 166 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *); 167 168 169 /* 170 * Allocate and initialize a cd9660node 171 * @returns struct cd9660node * Pointer to new node, or NULL on error 172 */ 173 static cd9660node * 174 cd9660_allocate_cd9660node(void) 175 { 176 cd9660node *temp = ecalloc(1, sizeof(*temp)); 177 178 TAILQ_INIT(&temp->cn_children); 179 temp->parent = temp->dot_record = temp->dot_dot_record = NULL; 180 temp->ptnext = temp->ptprev = temp->ptlast = NULL; 181 temp->node = NULL; 182 temp->isoDirRecord = NULL; 183 temp->isoExtAttributes = NULL; 184 temp->rr_real_parent = temp->rr_relocated = NULL; 185 temp->su_tail_data = NULL; 186 return temp; 187 } 188 189 /** 190 * Set default values for cd9660 extension to makefs 191 */ 192 static void 193 cd9660_set_defaults(iso9660_disk *diskStructure) 194 { 195 /*Fix the sector size for now, though the spec allows for other sizes*/ 196 diskStructure->sectorSize = 2048; 197 198 /* Set up defaults in our own structure */ 199 diskStructure->verbose_level = 0; 200 diskStructure->keep_bad_images = 0; 201 diskStructure->follow_sym_links = 0; 202 diskStructure->isoLevel = 2; 203 204 diskStructure->rock_ridge_enabled = 0; 205 diskStructure->rock_ridge_renamed_dir_name = 0; 206 diskStructure->rock_ridge_move_count = 0; 207 diskStructure->rr_moved_dir = 0; 208 209 diskStructure->archimedes_enabled = 0; 210 diskStructure->chrp_boot = 0; 211 212 diskStructure->include_padding_areas = 1; 213 214 /* Spec breaking functionality */ 215 diskStructure->allow_deep_trees = 216 diskStructure->allow_start_dot = 217 diskStructure->allow_max_name = 218 diskStructure->allow_illegal_chars = 219 diskStructure->allow_lowercase = 220 diskStructure->allow_multidot = 221 diskStructure->omit_trailing_period = 0; 222 223 /* Make sure the PVD is clear */ 224 memset(&diskStructure->primaryDescriptor, 0, 2048); 225 226 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128); 227 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128); 228 memset(diskStructure->primaryDescriptor.application_id, 0x20,128); 229 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37); 230 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37); 231 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37); 232 233 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD"); 234 235 /* Boot support: Initially disabled */ 236 diskStructure->has_generic_bootimage = 0; 237 diskStructure->generic_bootimage = NULL; 238 239 diskStructure->boot_image_directory = 0; 240 /*memset(diskStructure->boot_descriptor, 0, 2048);*/ 241 242 diskStructure->is_bootable = 0; 243 TAILQ_INIT(&diskStructure->boot_images); 244 LIST_INIT(&diskStructure->boot_entries); 245 } 246 247 void 248 cd9660_prep_opts(fsinfo_t *fsopts) 249 { 250 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure)); 251 252 #define OPT_STR(letter, name, desc) \ 253 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 254 255 #define OPT_NUM(letter, name, field, min, max, desc) \ 256 { letter, name, &diskStructure->field, \ 257 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 258 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 259 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 260 min, max, desc } 261 262 #define OPT_BOOL(letter, name, field, desc) \ 263 OPT_NUM(letter, name, field, 0, 1, desc) 264 265 const option_t cd9660_options[] = { 266 OPT_NUM('l', "isolevel", isoLevel, 267 1, 2, "ISO Level"), 268 OPT_NUM('v', "verbose", verbose_level, 269 0, 2, "Turns on verbose output"), 270 271 OPT_BOOL('h', "help", displayHelp, 272 "Show help message"), 273 OPT_BOOL('S', "follow-symlinks", follow_sym_links, 274 "Resolve symlinks in pathnames"), 275 OPT_BOOL('R', "rockridge", rock_ridge_enabled, 276 "Enable Rock-Ridge extensions"), 277 OPT_BOOL('C', "chrp-boot", chrp_boot, 278 "Enable CHRP boot"), 279 OPT_BOOL('K', "keep-bad-images", keep_bad_images, 280 "Keep bad images"), 281 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees, 282 "Allow trees more than 8 levels"), 283 OPT_BOOL('a', "allow-max-name", allow_max_name, 284 "Allow 37 char filenames (unimplemented)"), 285 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars, 286 "Allow illegal characters in filenames"), 287 OPT_BOOL('m', "allow-multidot", allow_multidot, 288 "Allow multiple periods in filenames"), 289 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period, 290 "Omit trailing periods in filenames"), 291 OPT_BOOL('\0', "allow-lowercase", allow_lowercase, 292 "Allow lowercase characters in filenames"), 293 OPT_BOOL('\0', "archimedes", archimedes_enabled, 294 "Enable Archimedes structure"), 295 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas, 296 "Include padding areas"), 297 298 OPT_STR('A', "applicationid", "Application Identifier"), 299 OPT_STR('P', "publisher", "Publisher Identifier"), 300 OPT_STR('p', "preparer", "Preparer Identifier"), 301 OPT_STR('L', "label", "Disk Label"), 302 OPT_STR('V', "volumeid", "Volume Set Identifier"), 303 OPT_STR('B', "bootimage", "Boot image parameter"), 304 OPT_STR('G', "generic-bootimage", "Generic boot image param"), 305 OPT_STR('\0', "bootimagedir", "Boot image directory"), 306 OPT_STR('\0', "no-emul-boot", "No boot emulation"), 307 OPT_STR('\0', "no-boot", "No boot support"), 308 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"), 309 OPT_STR('\0', "boot-load-segment", "Boot load segment"), 310 311 { .name = NULL } 312 }; 313 314 fsopts->fs_specific = diskStructure; 315 fsopts->fs_options = copy_opts(cd9660_options); 316 317 cd9660_set_defaults(diskStructure); 318 } 319 320 void 321 cd9660_cleanup_opts(fsinfo_t *fsopts) 322 { 323 free(fsopts->fs_specific); 324 free(fsopts->fs_options); 325 } 326 327 static int 328 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length, 329 char testmode, char * dest) 330 { 331 int len, test; 332 333 if (val == NULL) 334 warnx("error: The %s requires a string argument", fieldtitle); 335 else if ((len = strlen(val)) <= length) { 336 if (testmode == 'd') 337 test = cd9660_valid_d_chars(val); 338 else 339 test = cd9660_valid_a_chars(val); 340 if (test) { 341 memcpy(dest, val, len); 342 if (test == 2) 343 cd9660_uppercase_characters(dest, len); 344 return 1; 345 } else 346 warnx("error: The %s must be composed of " 347 "%c-characters", fieldtitle, testmode); 348 } else 349 warnx("error: The %s must be at most 32 characters long", 350 fieldtitle); 351 return 0; 352 } 353 354 /* 355 * Command-line parsing function 356 */ 357 358 int 359 cd9660_parse_opts(const char *option, fsinfo_t *fsopts) 360 { 361 int rv, i; 362 iso9660_disk *diskStructure = fsopts->fs_specific; 363 option_t *cd9660_options = fsopts->fs_options; 364 char buf[1024]; 365 const char *name, *desc; 366 367 assert(option != NULL); 368 369 if (debug & DEBUG_FS_PARSE_OPTS) 370 printf("%s: got `%s'\n", __func__, option); 371 372 i = set_option(cd9660_options, option, buf, sizeof(buf)); 373 if (i == -1) 374 return 0; 375 376 if (cd9660_options[i].name == NULL) 377 abort(); 378 379 name = cd9660_options[i].name; 380 desc = cd9660_options[i].desc; 381 switch (cd9660_options[i].letter) { 382 case 'h': 383 case 'S': 384 rv = 0; /* this is not handled yet */ 385 break; 386 case 'L': 387 rv = cd9660_arguments_set_string(buf, desc, 32, 'd', 388 diskStructure->primaryDescriptor.volume_id); 389 break; 390 case 'A': 391 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 392 diskStructure->primaryDescriptor.application_id); 393 break; 394 case 'P': 395 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 396 diskStructure->primaryDescriptor.publisher_id); 397 break; 398 case 'p': 399 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 400 diskStructure->primaryDescriptor.preparer_id); 401 break; 402 case 'V': 403 rv = cd9660_arguments_set_string(buf, desc, 128, 'a', 404 diskStructure->primaryDescriptor.volume_set_id); 405 break; 406 /* Boot options */ 407 case 'B': 408 if (buf[0] == '\0') { 409 warnx("The Boot Image parameter requires a valid boot" 410 "information string"); 411 rv = 0; 412 } else 413 rv = cd9660_add_boot_disk(diskStructure, buf); 414 break; 415 case 'G': 416 if (buf[0] == '\0') { 417 warnx("The Generic Boot Image parameter requires a" 418 " valid boot information string"); 419 rv = 0; 420 } else 421 rv = cd9660_add_generic_bootimage(diskStructure, buf); 422 break; 423 default: 424 if (strcmp(name, "bootimagedir") == 0) { 425 /* 426 * XXXfvdl this is unused. 427 */ 428 if (buf[0] == '\0') { 429 warnx("The Boot Image Directory parameter" 430 " requires a directory name"); 431 rv = 0; 432 } else { 433 diskStructure->boot_image_directory = 434 emalloc(strlen(buf) + 1); 435 /* BIG TODO: Add the max length function here */ 436 rv = cd9660_arguments_set_string(buf, desc, 12, 437 'd', diskStructure->boot_image_directory); 438 } 439 } else if (strcmp(name, "no-emul-boot") == 0 || 440 strcmp(name, "no-boot") == 0 || 441 strcmp(name, "hard-disk-boot") == 0) { 442 /* RRIP */ 443 cd9660_eltorito_add_boot_option(diskStructure, name, 0); 444 rv = 1; 445 } else if (strcmp(name, "boot-load-segment") == 0) { 446 if (buf[0] == '\0') { 447 warnx("Option `%s' doesn't contain a value", 448 name); 449 rv = 0; 450 } else { 451 cd9660_eltorito_add_boot_option(diskStructure, 452 name, buf); 453 rv = 1; 454 } 455 } else 456 rv = 1; 457 } 458 return rv; 459 } 460 461 /* 462 * Main function for cd9660_makefs 463 * Builds the ISO image file 464 * @param const char *image The image filename to create 465 * @param const char *dir The directory that is being read 466 * @param struct fsnode *root The root node of the filesystem tree 467 * @param struct fsinfo_t *fsopts Any options 468 */ 469 void 470 cd9660_makefs(const char *image, const char *dir, fsnode *root, 471 fsinfo_t *fsopts) 472 { 473 int64_t startoffset; 474 int numDirectories; 475 uint64_t pathTableSectors; 476 int64_t firstAvailableSector; 477 int64_t totalSpace; 478 int error; 479 cd9660node *real_root; 480 iso9660_disk *diskStructure = fsopts->fs_specific; 481 482 if (diskStructure->verbose_level > 0) 483 printf("%s: ISO level is %i\n", __func__, 484 diskStructure->isoLevel); 485 if (diskStructure->isoLevel < 2 && 486 diskStructure->allow_multidot) 487 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2"); 488 489 assert(image != NULL); 490 assert(dir != NULL); 491 assert(root != NULL); 492 493 if (diskStructure->displayHelp) { 494 /* 495 * Display help here - probably want to put it in 496 * a separate function 497 */ 498 return; 499 } 500 501 if (diskStructure->verbose_level > 0) 502 printf("%s: image %s directory %s root %p\n", __func__, 503 image, dir, root); 504 505 /* Set up some constants. Later, these will be defined with options */ 506 507 /* Counter needed for path tables */ 508 numDirectories = 0; 509 510 /* Convert tree to our own format */ 511 /* Actually, we now need to add the REAL root node, at level 0 */ 512 513 real_root = cd9660_allocate_cd9660node(); 514 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord)); 515 /* Leave filename blank for root */ 516 memset(real_root->isoDirRecord->name, 0, 517 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 518 519 real_root->level = 0; 520 diskStructure->rootNode = real_root; 521 real_root->type = CD9660_TYPE_DIR; 522 error = 0; 523 real_root->node = root; 524 cd9660_convert_structure(diskStructure, root, real_root, 1, 525 &numDirectories, &error); 526 527 if (TAILQ_EMPTY(&real_root->cn_children)) { 528 errx(EXIT_FAILURE, "%s: converted directory is empty. " 529 "Tree conversion failed", __func__); 530 } else if (error != 0) { 531 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__); 532 } else { 533 if (diskStructure->verbose_level > 0) 534 printf("%s: tree converted\n", __func__); 535 } 536 537 /* Add the dot and dot dot records */ 538 cd9660_add_dot_records(diskStructure, real_root); 539 540 cd9660_setup_root_node(diskStructure); 541 542 if (diskStructure->verbose_level > 0) 543 printf("%s: done converting tree\n", __func__); 544 545 /* non-SUSP extensions */ 546 if (diskStructure->archimedes_enabled) 547 archimedes_convert_tree(diskStructure->rootNode); 548 549 /* Rock ridge / SUSP init pass */ 550 if (diskStructure->rock_ridge_enabled) { 551 cd9660_susp_initialize(diskStructure, diskStructure->rootNode, 552 diskStructure->rootNode, NULL); 553 } 554 555 /* Build path table structure */ 556 diskStructure->pathTableLength = cd9660_generate_path_table( 557 diskStructure); 558 559 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize, 560 diskStructure->pathTableLength); 561 562 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure); 563 if (diskStructure->is_bootable) { 564 firstAvailableSector = cd9660_setup_boot(diskStructure, 565 firstAvailableSector); 566 if (firstAvailableSector < 0) 567 errx(EXIT_FAILURE, "setup_boot failed"); 568 } 569 /* LE first, then BE */ 570 diskStructure->primaryLittleEndianTableSector = firstAvailableSector; 571 diskStructure->primaryBigEndianTableSector = 572 diskStructure->primaryLittleEndianTableSector + pathTableSectors; 573 574 /* Set the secondary ones to -1, not going to use them for now */ 575 diskStructure->secondaryBigEndianTableSector = -1; 576 diskStructure->secondaryLittleEndianTableSector = -1; 577 578 diskStructure->dataFirstSector = 579 diskStructure->primaryBigEndianTableSector + pathTableSectors; 580 if (diskStructure->verbose_level > 0) 581 printf("%s: Path table conversion complete. " 582 "Each table is %i bytes, or %" PRIu64 " sectors.\n", 583 __func__, 584 diskStructure->pathTableLength, pathTableSectors); 585 586 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector; 587 588 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset); 589 590 diskStructure->totalSectors = diskStructure->dataFirstSector + 591 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace); 592 593 /* Disabled until pass 1 is done */ 594 if (diskStructure->rock_ridge_enabled) { 595 diskStructure->susp_continuation_area_start_sector = 596 diskStructure->totalSectors; 597 diskStructure->totalSectors += 598 CD9660_BLOCKS(diskStructure->sectorSize, 599 diskStructure->susp_continuation_area_size); 600 cd9660_susp_finalize(diskStructure, diskStructure->rootNode); 601 } 602 603 604 cd9660_finalize_PVD(diskStructure); 605 606 /* Add padding sectors, just for testing purposes right now */ 607 /* diskStructure->totalSectors+=150; */ 608 609 /* Debugging output */ 610 if (diskStructure->verbose_level > 0) { 611 printf("%s: Sectors 0-15 reserved\n", __func__); 612 printf("%s: Primary path tables starts in sector %" 613 PRId64 "\n", __func__, 614 diskStructure->primaryLittleEndianTableSector); 615 printf("%s: File data starts in sector %" 616 PRId64 "\n", __func__, diskStructure->dataFirstSector); 617 printf("%s: Total sectors: %" 618 PRId64 "\n", __func__, diskStructure->totalSectors); 619 } 620 621 /* 622 * Add padding sectors at the end 623 * TODO: Clean this up and separate padding 624 */ 625 if (diskStructure->include_padding_areas) 626 diskStructure->totalSectors += 150; 627 628 cd9660_write_image(diskStructure, image); 629 630 if (diskStructure->verbose_level > 1) { 631 debug_print_volume_descriptor_information(diskStructure); 632 debug_print_tree(diskStructure, real_root, 0); 633 debug_print_path_tree(real_root); 634 } 635 636 /* Clean up data structures */ 637 cd9660_free_structure(real_root); 638 639 if (diskStructure->verbose_level > 0) 640 printf("%s: done\n", __func__); 641 } 642 643 /* Generic function pointer - implement later */ 644 typedef int (*cd9660node_func)(cd9660node *); 645 646 static void 647 cd9660_finalize_PVD(iso9660_disk *diskStructure) 648 { 649 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 650 651 /* root should be a fixed size of 34 bytes since it has no name */ 652 memcpy(diskStructure->primaryDescriptor.root_directory_record, 653 diskStructure->rootNode->dot_record->isoDirRecord, 34); 654 655 /* In RRIP, this might be longer than 34 */ 656 diskStructure->primaryDescriptor.root_directory_record[0] = 34; 657 658 /* Set up all the important numbers in the PVD */ 659 cd9660_bothendian_dword(diskStructure->totalSectors, 660 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size); 661 cd9660_bothendian_word(1, 662 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size); 663 cd9660_bothendian_word(1, 664 (unsigned char *) 665 diskStructure->primaryDescriptor.volume_sequence_number); 666 cd9660_bothendian_word(diskStructure->sectorSize, 667 (unsigned char *) 668 diskStructure->primaryDescriptor.logical_block_size); 669 cd9660_bothendian_dword(diskStructure->pathTableLength, 670 (unsigned char *)diskStructure->primaryDescriptor.path_table_size); 671 672 cd9660_731(diskStructure->primaryLittleEndianTableSector, 673 (u_char *)diskStructure->primaryDescriptor.type_l_path_table); 674 cd9660_732(diskStructure->primaryBigEndianTableSector, 675 (u_char *)diskStructure->primaryDescriptor.type_m_path_table); 676 677 diskStructure->primaryDescriptor.file_structure_version[0] = 1; 678 679 /* Pad all strings with spaces instead of nulls */ 680 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32); 681 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32); 682 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id, 683 128); 684 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id, 685 128); 686 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id, 687 128); 688 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id, 689 128); 690 cd9660_pad_string_spaces( 691 diskStructure->primaryDescriptor.copyright_file_id, 37); 692 cd9660_pad_string_spaces( 693 diskStructure->primaryDescriptor.abstract_file_id, 37); 694 cd9660_pad_string_spaces( 695 diskStructure->primaryDescriptor.bibliographic_file_id, 37); 696 697 /* Setup dates */ 698 cd9660_time_8426( 699 (unsigned char *)diskStructure->primaryDescriptor.creation_date, 700 tstamp); 701 cd9660_time_8426( 702 (unsigned char *)diskStructure->primaryDescriptor.modification_date, 703 tstamp); 704 705 #if 0 706 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date, 707 tstamp); 708 #endif 709 710 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16); 711 diskStructure->primaryDescriptor.expiration_date[16] = 0; 712 713 cd9660_time_8426( 714 (unsigned char *)diskStructure->primaryDescriptor.effective_date, 715 tstamp); 716 /* make this sane */ 717 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date, 718 tstamp); 719 } 720 721 static void 722 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record, 723 u_char ext_attr_length, u_char flags, 724 u_char name_len, const char * name) 725 { 726 record->ext_attr_length[0] = ext_attr_length; 727 record->flags[0] = ISO_FLAG_CLEAR | flags; 728 record->file_unit_size[0] = 0; 729 record->interleave[0] = 0; 730 cd9660_bothendian_word(1, record->volume_sequence_number); 731 record->name_len[0] = name_len; 732 memset(record->name, '\0', sizeof (record->name)); 733 memcpy(record->name, name, name_len); 734 record->length[0] = 33 + name_len; 735 736 /* Todo : better rounding */ 737 record->length[0] += (record->length[0] & 1) ? 1 : 0; 738 } 739 740 static void 741 cd9660_setup_root_node(iso9660_disk *diskStructure) 742 { 743 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord, 744 0, ISO_FLAG_DIRECTORY, 1, "\0"); 745 746 } 747 748 /*********** SUPPORT FUNCTIONS ***********/ 749 static int 750 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure) 751 { 752 /* Boot volume descriptor should come second */ 753 int sector = 16; 754 /* For now, a fixed 2 : PVD and terminator */ 755 volume_descriptor *temp, *t; 756 757 /* Set up the PVD */ 758 temp = emalloc(sizeof(*temp)); 759 temp->volumeDescriptorData = 760 (unsigned char *)&diskStructure->primaryDescriptor; 761 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD; 762 temp->volumeDescriptorData[6] = 1; 763 temp->sector = sector; 764 memcpy(temp->volumeDescriptorData + 1, 765 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 766 diskStructure->firstVolumeDescriptor = temp; 767 768 sector++; 769 /* Set up boot support if enabled. BVD must reside in sector 17 */ 770 if (diskStructure->is_bootable) { 771 t = emalloc(sizeof(*t)); 772 t->volumeDescriptorData = ecalloc(1, 2048); 773 temp->next = t; 774 temp = t; 775 t->sector = 17; 776 if (diskStructure->verbose_level > 0) 777 printf("Setting up boot volume descriptor\n"); 778 cd9660_setup_boot_volume_descriptor(diskStructure, t); 779 sector++; 780 } 781 782 /* Set up the terminator */ 783 t = emalloc(sizeof(*t)); 784 t->volumeDescriptorData = ecalloc(1, 2048); 785 temp->next = t; 786 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR; 787 t->next = NULL; 788 t->volumeDescriptorData[6] = 1; 789 t->sector = sector; 790 memcpy(t->volumeDescriptorData + 1, 791 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5); 792 793 sector++; 794 return sector; 795 } 796 797 #if 0 798 /* 799 * Populate EAR at some point. Not required, but is used by NetBSD's 800 * cd9660 support 801 */ 802 static int 803 cd9660_fill_extended_attribute_record(cd9660node *node) 804 { 805 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes)); 806 return 1; 807 } 808 #endif 809 810 static int 811 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode) 812 { 813 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL); 814 u_char flag; 815 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING]; 816 817 /* Now populate the isoDirRecord structure */ 818 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 819 820 (void)cd9660_convert_filename(diskStructure, newnode->node->name, 821 temp, !(S_ISDIR(newnode->node->type))); 822 823 flag = ISO_FLAG_CLEAR; 824 if (S_ISDIR(newnode->node->type)) 825 flag |= ISO_FLAG_DIRECTORY; 826 827 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0, 828 flag, strlen(temp), temp); 829 830 /* Set the various dates */ 831 832 /* If we want to use the current date and time */ 833 834 cd9660_time_915(newnode->isoDirRecord->date, tstamp); 835 836 cd9660_bothendian_dword(newnode->fileDataLength, 837 newnode->isoDirRecord->size); 838 /* If the file is a link, we want to set the size to 0 */ 839 if (S_ISLNK(newnode->node->type)) 840 newnode->fileDataLength = 0; 841 842 return 1; 843 } 844 845 /* 846 * Translate fsnode to cd9660node 847 * Translate filenames and other metadata, including dates, sizes, 848 * permissions, etc 849 * @param struct fsnode * The node generated by makefs 850 * @param struct cd9660node * The intermediate node to be written to 851 * @returns int 0 on failure, 1 on success 852 */ 853 static int 854 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node, 855 cd9660node *newnode) 856 { 857 if (node == NULL) { 858 if (diskStructure->verbose_level > 0) 859 printf("%s: NULL node passed, returning\n", __func__); 860 return 0; 861 } 862 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord)); 863 /* Set the node pointer */ 864 newnode->node = node; 865 866 /* Set the size */ 867 if (!(S_ISDIR(node->type))) 868 newnode->fileDataLength = node->inode->st.st_size; 869 870 if (cd9660_translate_node_common(diskStructure, newnode) == 0) 871 return 0; 872 873 /* Finally, overwrite some of the values that are set by default */ 874 cd9660_time_915(newnode->isoDirRecord->date, 875 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime); 876 877 return 1; 878 } 879 880 /* 881 * Compares two ISO filenames 882 * @param const char * The first file name 883 * @param const char * The second file name 884 * @returns : -1 if first is less than second, 0 if they are the same, 1 if 885 * the second is greater than the first 886 */ 887 static int 888 cd9660_compare_filename(const char *first, const char *second) 889 { 890 /* 891 * This can be made more optimal once it has been tested 892 * (the extra character, for example, is for testing) 893 */ 894 895 int p1 = 0; 896 int p2 = 0; 897 char c1, c2; 898 /* First, on the filename */ 899 900 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1 901 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) { 902 c1 = first[p1]; 903 c2 = second[p2]; 904 if (c1 == '.' && c2 =='.') 905 break; 906 else if (c1 == '.') { 907 p2++; 908 c1 = ' '; 909 } else if (c2 == '.') { 910 p1++; 911 c2 = ' '; 912 } else { 913 p1++; 914 p2++; 915 } 916 917 if (c1 < c2) 918 return -1; 919 else if (c1 > c2) { 920 return 1; 921 } 922 } 923 924 if (first[p1] == '.' && second[p2] == '.') { 925 p1++; 926 p2++; 927 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1 928 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) { 929 c1 = first[p1]; 930 c2 = second[p2]; 931 if (c1 == ';' && c2 == ';') 932 break; 933 else if (c1 == ';') { 934 p2++; 935 c1 = ' '; 936 } else if (c2 == ';') { 937 p1++; 938 c2 = ' '; 939 } else { 940 p1++; 941 p2++; 942 } 943 944 if (c1 < c2) 945 return -1; 946 else if (c1 > c2) 947 return 1; 948 } 949 } 950 return 0; 951 } 952 953 /* 954 * Insert a node into list with ISO sorting rules 955 * @param cd9660node * The head node of the list 956 * @param cd9660node * The node to be inserted 957 */ 958 static void 959 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new) 960 { 961 int compare; 962 cd9660node *cn; 963 struct cd9660_children_head *head = &parent->cn_children; 964 965 /* TODO: Optimize? */ 966 cn_new->parent = parent; 967 968 /* 969 * first will either be 0, the . or the .. 970 * if . or .., this means no other entry may be written before first 971 * if 0, the new node may be inserted at the head 972 */ 973 974 TAILQ_FOREACH(cn, head, cn_next_child) { 975 /* 976 * Dont insert a node twice - 977 * that would cause an infinite loop 978 */ 979 if (cn_new == cn) 980 return; 981 982 compare = cd9660_compare_filename(cn_new->isoDirRecord->name, 983 cn->isoDirRecord->name); 984 985 if (compare == 0) 986 compare = cd9660_compare_filename(cn_new->node->name, 987 cn->node->name); 988 989 if (compare < 0) 990 break; 991 } 992 if (cn == NULL) 993 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child); 994 else 995 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child); 996 } 997 998 /* 999 * Called After cd9660_sorted_child_insert 1000 * handles file collisions by suffixing each filname with ~n 1001 * where n represents the files respective place in the ordering 1002 */ 1003 static int 1004 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding, 1005 int past) 1006 { 1007 cd9660node *iter, *next, *prev; 1008 int skip; 1009 int delete_chars = 0; 1010 int temp_past = past; 1011 int temp_skip; 1012 int flag = 0; 1013 cd9660node *end_of_range; 1014 1015 for (iter = TAILQ_FIRST(&colliding->cn_children); 1016 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) { 1017 if (strcmp(iter->isoDirRecord->name, 1018 next->isoDirRecord->name) != 0) { 1019 iter = TAILQ_NEXT(iter, cn_next_child); 1020 continue; 1021 } 1022 flag = 1; 1023 temp_skip = skip = cd9660_count_collisions(iter); 1024 end_of_range = iter; 1025 while (temp_skip > 0) { 1026 temp_skip--; 1027 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child); 1028 } 1029 temp_past = past; 1030 while (temp_past > 0) { 1031 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL) 1032 end_of_range = next; 1033 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL) 1034 iter = prev; 1035 else 1036 delete_chars++; 1037 temp_past--; 1038 } 1039 skip += past; 1040 iter = cd9660_rename_filename(diskStructure, iter, skip, 1041 delete_chars); 1042 } 1043 return flag; 1044 } 1045 1046 1047 static cd9660node * 1048 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num, 1049 int delete_chars) 1050 { 1051 int i = 0; 1052 int numbts, digit, digits, temp, powers, count; 1053 char *naming; 1054 int maxlength; 1055 char *tmp; 1056 1057 if (diskStructure->verbose_level > 0) 1058 printf("Rename_filename called\n"); 1059 1060 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1061 /* TODO : A LOT of chanes regarding 8.3 filenames */ 1062 if (diskStructure->isoLevel == 1) 1063 maxlength = 8; 1064 else if (diskStructure->isoLevel == 2) 1065 maxlength = 31; 1066 else 1067 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION; 1068 1069 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1070 1071 while (i < num && iter) { 1072 powers = 1; 1073 count = 0; 1074 digits = 1; 1075 while (((int)(i / powers) ) >= 10) { 1076 digits++; 1077 powers = powers * 10; 1078 } 1079 1080 naming = iter->o_name; 1081 1082 /* 1083 while ((*naming != '.') && (*naming != ';')) { 1084 naming++; 1085 count++; 1086 } 1087 */ 1088 1089 while (count < maxlength) { 1090 if (*naming == ';') 1091 break; 1092 naming++; 1093 count++; 1094 } 1095 1096 if ((count + digits) < maxlength) 1097 numbts = count; 1098 else 1099 numbts = maxlength - (digits); 1100 numbts -= delete_chars; 1101 1102 /* 8.3 rules - keep the extension, add before the dot */ 1103 1104 /* 1105 * This code makes a bunch of assumptions. 1106 * See if you can spot them all :) 1107 */ 1108 1109 #if 0 1110 if (diskStructure->isoLevel == 1) { 1111 numbts = 8 - digits - delete_chars; 1112 if (dot < 0) { 1113 1114 } else { 1115 if (dot < 8) { 1116 memmove(&tmp[numbts],&tmp[dot],4); 1117 } 1118 } 1119 } 1120 #endif 1121 1122 /* (copying just the filename before the '.' */ 1123 memcpy(tmp, (iter->o_name), numbts); 1124 1125 /* adding the appropriate number following the name */ 1126 temp = i; 1127 while (digits > 0) { 1128 digit = (int)(temp / powers); 1129 temp = temp - digit * powers; 1130 sprintf(&tmp[numbts] , "%d", digit); 1131 digits--; 1132 numbts++; 1133 powers = powers / 10; 1134 } 1135 1136 while ((*naming != ';') && (numbts < maxlength)) { 1137 tmp[numbts] = (*naming); 1138 naming++; 1139 numbts++; 1140 } 1141 1142 tmp[numbts] = ';'; 1143 tmp[numbts+1] = '1'; 1144 tmp[numbts+2] = '\0'; 1145 1146 /* 1147 * now tmp has exactly the identifier 1148 * we want so we'll copy it back to record 1149 */ 1150 memcpy((iter->isoDirRecord->name), tmp, numbts + 3); 1151 1152 iter = TAILQ_NEXT(iter, cn_next_child); 1153 i++; 1154 } 1155 1156 free(tmp); 1157 return iter; 1158 } 1159 1160 /* Todo: Figure out why these functions are nec. */ 1161 static void 1162 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node) 1163 { 1164 cd9660node *cn; 1165 1166 if (TAILQ_EMPTY(&node->cn_children)) 1167 return; 1168 1169 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) { 1170 debug_print_tree(diskStructure, diskStructure->rootNode, 0); 1171 exit(1); 1172 } 1173 1174 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1175 cd9660_copy_filenames(diskStructure, cn); 1176 memcpy(cn->o_name, cn->isoDirRecord->name, 1177 ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1178 } 1179 } 1180 1181 static void 1182 cd9660_sorting_nodes(cd9660node *node) 1183 { 1184 cd9660node *cn; 1185 1186 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) 1187 cd9660_sorting_nodes(cn); 1188 cd9660_sort_nodes(node); 1189 } 1190 1191 /* XXX Bubble sort. */ 1192 static void 1193 cd9660_sort_nodes(cd9660node *node) 1194 { 1195 cd9660node *cn, *next; 1196 1197 do { 1198 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 1199 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL) 1200 return; 1201 else if (strcmp(next->isoDirRecord->name, 1202 cn->isoDirRecord->name) >= 0) 1203 continue; 1204 TAILQ_REMOVE(&node->cn_children, next, cn_next_child); 1205 TAILQ_INSERT_BEFORE(cn, next, cn_next_child); 1206 break; 1207 } 1208 } while (cn != NULL); 1209 } 1210 1211 static int 1212 cd9660_count_collisions(cd9660node *copy) 1213 { 1214 int count = 0; 1215 cd9660node *iter, *next; 1216 1217 for (iter = copy; 1218 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL; 1219 iter = next) { 1220 if (cd9660_compare_filename(iter->isoDirRecord->name, 1221 next->isoDirRecord->name) == 0) 1222 count++; 1223 else 1224 return count; 1225 } 1226 #if 0 1227 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) { 1228 printf("%s: count is %i\n", __func__, count); 1229 compare = cd9660_compare_filename(iter->isoDirRecord->name, 1230 next->isoDirRecord->name); 1231 if (compare == 0) { 1232 count++; 1233 return cd9660_recurse_on_collision(next, count); 1234 } else 1235 return count; 1236 } 1237 #endif 1238 return count; 1239 } 1240 1241 static cd9660node * 1242 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir) 1243 { 1244 char newname[9]; 1245 cd9660node *tfile; 1246 1247 /* 1248 * This function needs to: 1249 * 1) Create an empty virtual file in place of the old directory 1250 * 2) Point the virtual file to the new directory 1251 * 3) Point the relocated directory to its old parent 1252 * 4) Move the directory specified by dir into rr_moved_dir, 1253 * and rename it to "diskStructure->rock_ridge_move_count" (as a string) 1254 */ 1255 1256 /* First see if the moved directory even exists */ 1257 if (diskStructure->rr_moved_dir == NULL) { 1258 diskStructure->rr_moved_dir = cd9660_create_directory( 1259 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME, 1260 diskStructure->rootNode, dir); 1261 if (diskStructure->rr_moved_dir == NULL) 1262 return 0; 1263 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date, 1264 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec); 1265 } 1266 1267 /* Create a file with the same ORIGINAL name */ 1268 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent, 1269 dir); 1270 if (tfile == NULL) 1271 return NULL; 1272 1273 diskStructure->rock_ridge_move_count++; 1274 snprintf(newname, sizeof(newname), "%08i", 1275 diskStructure->rock_ridge_move_count); 1276 1277 /* Point to old parent */ 1278 dir->rr_real_parent = dir->parent; 1279 1280 /* Place the placeholder file */ 1281 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) { 1282 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile, 1283 cn_next_child); 1284 } else { 1285 cd9660_sorted_child_insert(dir->rr_real_parent, tfile); 1286 } 1287 1288 /* Point to new parent */ 1289 dir->parent = diskStructure->rr_moved_dir; 1290 1291 /* Point the file to the moved directory */ 1292 tfile->rr_relocated = dir; 1293 1294 /* Actually move the directory */ 1295 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir); 1296 1297 /* TODO: Inherit permissions / ownership (basically the entire inode) */ 1298 1299 /* Set the new name */ 1300 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING); 1301 strncpy(dir->isoDirRecord->name, newname, 8); 1302 dir->isoDirRecord->length[0] = 34 + 8; 1303 dir->isoDirRecord->name_len[0] = 8; 1304 1305 return dir; 1306 } 1307 1308 static int 1309 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root) 1310 { 1311 struct cd9660_children_head *head = &root->cn_children; 1312 cd9660node *cn; 1313 1314 TAILQ_FOREACH(cn, head, cn_next_child) { 1315 if ((cn->type & CD9660_TYPE_DIR) == 0) 1316 continue; 1317 /* Recursion first */ 1318 cd9660_add_dot_records(diskStructure, cn); 1319 } 1320 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root); 1321 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT, 1322 root); 1323 return 1; 1324 } 1325 1326 /* 1327 * Convert node to cd9660 structure 1328 * This function is designed to be called recursively on the root node of 1329 * the filesystem 1330 * Lots of recursion going on here, want to make sure it is efficient 1331 * @param struct fsnode * The root node to be converted 1332 * @param struct cd9660* The parent node (should not be NULL) 1333 * @param int Current directory depth 1334 * @param int* Running count of the number of directories that are being created 1335 */ 1336 static void 1337 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root, 1338 cd9660node *parent_node, int level, int *numDirectories, int *error) 1339 { 1340 fsnode *iterator = root; 1341 cd9660node *this_node; 1342 int working_level; 1343 int add; 1344 int flag = 0; 1345 int counter = 0; 1346 1347 /* 1348 * Newer, more efficient method, reduces recursion depth 1349 */ 1350 if (root == NULL) { 1351 warnx("%s: root is null", __func__); 1352 return; 1353 } 1354 1355 /* Test for an empty directory - makefs still gives us the . record */ 1356 if ((S_ISDIR(root->type)) && (root->name[0] == '.') 1357 && (root->name[1] == '\0')) { 1358 root = root->next; 1359 if (root == NULL) 1360 return; 1361 } 1362 if ((this_node = cd9660_allocate_cd9660node()) == NULL) { 1363 CD9660_MEM_ALLOC_ERROR(__func__); 1364 } 1365 1366 /* 1367 * To reduce the number of recursive calls, we will iterate over 1368 * the next pointers to the right. 1369 */ 1370 while (iterator != NULL) { 1371 add = 1; 1372 /* 1373 * Increment the directory count if this is a directory 1374 * Ignore "." entries. We will generate them later 1375 */ 1376 if (!S_ISDIR(iterator->type) || 1377 strcmp(iterator->name, ".") != 0) { 1378 1379 /* Translate the node, including its filename */ 1380 this_node->parent = parent_node; 1381 cd9660_translate_node(diskStructure, iterator, 1382 this_node); 1383 this_node->level = level; 1384 1385 if (S_ISDIR(iterator->type)) { 1386 (*numDirectories)++; 1387 this_node->type = CD9660_TYPE_DIR; 1388 working_level = level + 1; 1389 1390 /* 1391 * If at level 8, directory would be at 8 1392 * and have children at 9 which is not 1393 * allowed as per ISO spec 1394 */ 1395 if (level == 8) { 1396 if ((!diskStructure->allow_deep_trees) && 1397 (!diskStructure->rock_ridge_enabled)) { 1398 warnx("error: found entry " 1399 "with depth greater " 1400 "than 8."); 1401 (*error) = 1; 1402 return; 1403 } else if (diskStructure-> 1404 rock_ridge_enabled) { 1405 working_level = 3; 1406 /* 1407 * Moved directory is actually 1408 * at level 2. 1409 */ 1410 this_node->level = 1411 working_level - 1; 1412 if (cd9660_rrip_move_directory( 1413 diskStructure, 1414 this_node) == NULL) { 1415 warnx("Failure in " 1416 "cd9660_rrip_" 1417 "move_directory" 1418 ); 1419 (*error) = 1; 1420 return; 1421 } 1422 add = 0; 1423 } 1424 } 1425 1426 /* Do the recursive call on the children */ 1427 if (iterator->child != NULL) { 1428 cd9660_convert_structure(diskStructure, 1429 iterator->child, this_node, 1430 working_level, 1431 numDirectories, error); 1432 1433 if ((*error) == 1) { 1434 warnx("%s: Error on recursive " 1435 "call", __func__); 1436 return; 1437 } 1438 } 1439 1440 } else { 1441 /* Only directories should have children */ 1442 assert(iterator->child == NULL); 1443 1444 this_node->type = CD9660_TYPE_FILE; 1445 } 1446 1447 /* 1448 * Finally, do a sorted insert 1449 */ 1450 if (add) { 1451 cd9660_sorted_child_insert( 1452 parent_node, this_node); 1453 } 1454 1455 /*Allocate new temp_node */ 1456 if (iterator->next != NULL) { 1457 this_node = cd9660_allocate_cd9660node(); 1458 if (this_node == NULL) 1459 CD9660_MEM_ALLOC_ERROR(__func__); 1460 } 1461 } 1462 iterator = iterator->next; 1463 } 1464 1465 /* cd9660_handle_collisions(first_node); */ 1466 1467 /* TODO: need cleanup */ 1468 cd9660_copy_filenames(diskStructure, parent_node); 1469 1470 do { 1471 flag = cd9660_handle_collisions(diskStructure, parent_node, 1472 counter); 1473 counter++; 1474 cd9660_sorting_nodes(parent_node); 1475 } while ((flag == 1) && (counter < 100)); 1476 } 1477 1478 /* 1479 * Clean up the cd9660node tree 1480 * This is designed to be called recursively on the root node 1481 * @param struct cd9660node *root The node to free 1482 * @returns void 1483 */ 1484 static void 1485 cd9660_free_structure(cd9660node *root) 1486 { 1487 cd9660node *cn; 1488 1489 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) { 1490 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child); 1491 cd9660_free_structure(cn); 1492 } 1493 free(root); 1494 } 1495 1496 /* 1497 * Be a little more memory conservative: 1498 * instead of having the TAILQ_ENTRY as part of the cd9660node, 1499 * just create a temporary structure 1500 */ 1501 static struct ptq_entry 1502 { 1503 TAILQ_ENTRY(ptq_entry) ptq; 1504 cd9660node *node; 1505 } *n; 1506 1507 #define PTQUEUE_NEW(n,s,r,t){\ 1508 n = emalloc(sizeof(struct s)); \ 1509 n->node = t;\ 1510 } 1511 1512 /* 1513 * Generate the path tables 1514 * The specific implementation of this function is left as an exercise to the 1515 * programmer. It could be done recursively. Make sure you read how the path 1516 * table has to be laid out, it has levels. 1517 * @param struct iso9660_disk *disk The disk image 1518 * @returns int The number of built path tables (between 1 and 4), 0 on failure 1519 */ 1520 static int 1521 cd9660_generate_path_table(iso9660_disk *diskStructure) 1522 { 1523 cd9660node *cn, *dirNode = diskStructure->rootNode; 1524 cd9660node *last = dirNode; 1525 int pathTableSize = 0; /* computed as we go */ 1526 int counter = 1; /* root gets a count of 0 */ 1527 1528 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head; 1529 TAILQ_INIT(&pt_head); 1530 1531 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode); 1532 1533 /* Push the root node */ 1534 TAILQ_INSERT_HEAD(&pt_head, n, ptq); 1535 1536 /* Breadth-first traversal of file structure */ 1537 while (pt_head.tqh_first != 0) { 1538 n = pt_head.tqh_first; 1539 dirNode = n->node; 1540 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq); 1541 free(n); 1542 1543 /* Update the size */ 1544 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE 1545 + dirNode->isoDirRecord->name_len[0]+ 1546 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1); 1547 /* includes the padding bit */ 1548 1549 dirNode->ptnumber=counter; 1550 if (dirNode != last) { 1551 last->ptnext = dirNode; 1552 dirNode->ptprev = last; 1553 } 1554 last = dirNode; 1555 1556 /* Push children onto queue */ 1557 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) { 1558 /* 1559 * Dont add the DOT and DOTDOT types to the path 1560 * table. 1561 */ 1562 if ((cn->type != CD9660_TYPE_DOT) 1563 && (cn->type != CD9660_TYPE_DOTDOT)) { 1564 1565 if (S_ISDIR(cn->node->type)) { 1566 PTQUEUE_NEW(n, ptq_entry, -1, cn); 1567 TAILQ_INSERT_TAIL(&pt_head, n, ptq); 1568 } 1569 } 1570 } 1571 counter++; 1572 } 1573 return pathTableSize; 1574 } 1575 1576 void 1577 cd9660_compute_full_filename(cd9660node *node, char *buf) 1578 { 1579 int len; 1580 1581 len = CD9660MAXPATH + 1; 1582 len = snprintf(buf, len, "%s/%s/%s", node->node->root, 1583 node->node->path, node->node->name); 1584 if (len > CD9660MAXPATH) 1585 errx(EXIT_FAILURE, "Pathname too long."); 1586 } 1587 1588 /* NEW filename conversion method */ 1589 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *, 1590 char *, int); 1591 1592 1593 /* 1594 * TODO: These two functions are almost identical. 1595 * Some code cleanup is possible here 1596 * 1597 * XXX bounds checking! 1598 */ 1599 static int 1600 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1601 char *newname, int is_file) 1602 { 1603 /* 1604 * ISO 9660 : 10.1 1605 * File Name shall not contain more than 8 d or d1 characters 1606 * File Name Extension shall not contain more than 3 d or d1 characters 1607 * Directory Identifier shall not contain more than 8 d or d1 characters 1608 */ 1609 int namelen = 0; 1610 int extlen = 0; 1611 int found_ext = 0; 1612 1613 while (*oldname != '\0' && extlen < 3) { 1614 /* Handle period first, as it is special */ 1615 if (*oldname == '.') { 1616 if (found_ext) { 1617 *newname++ = '_'; 1618 extlen ++; 1619 } 1620 else { 1621 *newname++ = '.'; 1622 found_ext = 1; 1623 } 1624 } else { 1625 /* cut RISC OS file type off ISO name */ 1626 if (diskStructure->archimedes_enabled && 1627 *oldname == ',' && strlen(oldname) == 4) 1628 break; 1629 1630 /* Enforce 12.3 / 8 */ 1631 if (namelen == 8 && !found_ext) 1632 break; 1633 1634 if (islower((unsigned char)*oldname)) 1635 *newname++ = toupper((unsigned char)*oldname); 1636 else if (isupper((unsigned char)*oldname) 1637 || isdigit((unsigned char)*oldname)) 1638 *newname++ = *oldname; 1639 else 1640 *newname++ = '_'; 1641 1642 if (found_ext) 1643 extlen++; 1644 else 1645 namelen++; 1646 } 1647 oldname++; 1648 } 1649 if (is_file) { 1650 if (!found_ext && !diskStructure->omit_trailing_period) 1651 *newname++ = '.'; 1652 /* Add version */ 1653 sprintf(newname, ";%i", 1); 1654 } 1655 return namelen + extlen + found_ext; 1656 } 1657 1658 /* XXX bounds checking! */ 1659 static int 1660 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1661 char *newname, int is_file) 1662 { 1663 /* 1664 * ISO 9660 : 7.5.1 1665 * File name : 0+ d or d1 characters 1666 * separator 1 (.) 1667 * File name extension : 0+ d or d1 characters 1668 * separator 2 (;) 1669 * File version number (5 characters, 1-32767) 1670 * 1 <= Sum of File name and File name extension <= 30 1671 */ 1672 int namelen = 0; 1673 int extlen = 0; 1674 int found_ext = 0; 1675 1676 while (*oldname != '\0' && namelen + extlen < 30) { 1677 /* Handle period first, as it is special */ 1678 if (*oldname == '.') { 1679 if (found_ext) { 1680 if (diskStructure->allow_multidot) { 1681 *newname++ = '.'; 1682 } else { 1683 *newname++ = '_'; 1684 } 1685 extlen ++; 1686 } 1687 else { 1688 *newname++ = '.'; 1689 found_ext = 1; 1690 } 1691 } else { 1692 /* cut RISC OS file type off ISO name */ 1693 if (diskStructure->archimedes_enabled && 1694 *oldname == ',' && strlen(oldname) == 4) 1695 break; 1696 1697 if (islower((unsigned char)*oldname)) 1698 *newname++ = toupper((unsigned char)*oldname); 1699 else if (isupper((unsigned char)*oldname) || 1700 isdigit((unsigned char)*oldname)) 1701 *newname++ = *oldname; 1702 else if (diskStructure->allow_multidot && 1703 *oldname == '.') { 1704 *newname++ = '.'; 1705 } else { 1706 *newname++ = '_'; 1707 } 1708 1709 if (found_ext) 1710 extlen++; 1711 else 1712 namelen++; 1713 } 1714 oldname ++; 1715 } 1716 if (is_file) { 1717 if (!found_ext && !diskStructure->omit_trailing_period) 1718 *newname++ = '.'; 1719 /* Add version */ 1720 sprintf(newname, ";%i", 1); 1721 } 1722 return namelen + extlen + found_ext; 1723 } 1724 1725 #if 0 1726 static int 1727 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1728 char *newname, int is_file) 1729 { 1730 /* TODO: implement later, move to cd9660_joliet.c ?? */ 1731 } 1732 #endif 1733 1734 1735 /* 1736 * Convert a file name to ISO compliant file name 1737 * @param char * oldname The original filename 1738 * @param char ** newname The new file name, in the appropriate character 1739 * set and of appropriate length 1740 * @param int 1 if file, 0 if directory 1741 * @returns int The length of the new string 1742 */ 1743 static int 1744 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname, 1745 char *newname, int is_file) 1746 { 1747 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2); 1748 /* NEW */ 1749 cd9660_filename_conversion_functor conversion_function = NULL; 1750 if (diskStructure->isoLevel == 1) 1751 conversion_function = &cd9660_level1_convert_filename; 1752 else if (diskStructure->isoLevel == 2) 1753 conversion_function = &cd9660_level2_convert_filename; 1754 return (*conversion_function)(diskStructure, oldname, newname, is_file); 1755 } 1756 1757 int 1758 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node) 1759 { 1760 int size = node->isoDirRecord->length[0]; 1761 1762 if (diskStructure->rock_ridge_enabled) 1763 size += node->susp_entry_size; 1764 size += node->su_tail_size; 1765 size += size & 1; /* Ensure length of record is even. */ 1766 assert(size <= 254); 1767 return size; 1768 } 1769 1770 static void 1771 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node) 1772 { 1773 node->dot_record->fileDataSector = node->fileDataSector; 1774 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34); 1775 node->dot_record->isoDirRecord->name_len[0] = 1; 1776 node->dot_record->isoDirRecord->name[0] = 0; 1777 node->dot_record->isoDirRecord->name[1] = 0; 1778 node->dot_record->isoDirRecord->length[0] = 34; 1779 node->dot_record->fileRecordSize = 1780 cd9660_compute_record_size(diskStructure, node->dot_record); 1781 1782 if (node == diskStructure->rootNode) { 1783 node->dot_dot_record->fileDataSector = node->fileDataSector; 1784 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord, 1785 34); 1786 } else { 1787 node->dot_dot_record->fileDataSector = 1788 node->parent->fileDataSector; 1789 memcpy(node->dot_dot_record->isoDirRecord, 1790 node->parent->isoDirRecord,34); 1791 } 1792 node->dot_dot_record->isoDirRecord->name_len[0] = 1; 1793 node->dot_dot_record->isoDirRecord->name[0] = 1; 1794 node->dot_dot_record->isoDirRecord->name[1] = 0; 1795 node->dot_dot_record->isoDirRecord->length[0] = 34; 1796 node->dot_dot_record->fileRecordSize = 1797 cd9660_compute_record_size(diskStructure, node->dot_dot_record); 1798 } 1799 1800 /* 1801 * @param struct cd9660node *node The node 1802 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector 1803 * @returns int The total size of files and directory entries (should be 1804 * a multiple of sector size) 1805 */ 1806 static int64_t 1807 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node, 1808 int64_t startOffset) 1809 { 1810 /* 1811 * This function needs to compute the size of directory records and 1812 * runs, file lengths, and set the appropriate variables both in 1813 * cd9660node and isoDirEntry 1814 */ 1815 int64_t used_bytes = 0; 1816 int64_t current_sector_usage = 0; 1817 cd9660node *child; 1818 fsinode *inode; 1819 int64_t r; 1820 1821 assert(node != NULL); 1822 1823 1824 /* 1825 * NOTE : There needs to be some special case detection for 1826 * the "real root" node, since for it, node->node is undefined 1827 */ 1828 1829 node->fileDataSector = -1; 1830 1831 if (node->type & CD9660_TYPE_DIR) { 1832 node->fileRecordSize = cd9660_compute_record_size( 1833 diskStructure, node); 1834 /*Set what sector this directory starts in*/ 1835 node->fileDataSector = 1836 CD9660_BLOCKS(diskStructure->sectorSize,startOffset); 1837 1838 cd9660_bothendian_dword(node->fileDataSector, 1839 node->isoDirRecord->extent); 1840 1841 /* 1842 * First loop over children, need to know the size of 1843 * their directory records 1844 */ 1845 node->fileSectorsUsed = 1; 1846 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) { 1847 node->fileDataLength += 1848 cd9660_compute_record_size(diskStructure, child); 1849 if ((cd9660_compute_record_size(diskStructure, child) + 1850 current_sector_usage) >= 1851 diskStructure->sectorSize) { 1852 current_sector_usage = 0; 1853 node->fileSectorsUsed++; 1854 } 1855 1856 current_sector_usage += 1857 cd9660_compute_record_size(diskStructure, child); 1858 } 1859 1860 cd9660_bothendian_dword(node->fileSectorsUsed * 1861 diskStructure->sectorSize,node->isoDirRecord->size); 1862 1863 /* 1864 * This should point to the sector after the directory 1865 * record (or, the first byte in that sector) 1866 */ 1867 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize; 1868 1869 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1870 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) { 1871 /* Directories need recursive call */ 1872 if (S_ISDIR(child->node->type)) { 1873 r = cd9660_compute_offsets(diskStructure, child, 1874 used_bytes + startOffset); 1875 1876 if (r != -1) 1877 used_bytes += r; 1878 else 1879 return -1; 1880 } 1881 } 1882 1883 /* Explicitly set the . and .. records */ 1884 cd9660_populate_dot_records(diskStructure, node); 1885 1886 /* Finally, do another iteration to write the file data*/ 1887 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child); 1888 child != NULL; 1889 child = TAILQ_NEXT(child, cn_next_child)) { 1890 /* Files need extent set */ 1891 if (S_ISDIR(child->node->type)) 1892 continue; 1893 child->fileRecordSize = 1894 cd9660_compute_record_size(diskStructure, child); 1895 1896 child->fileSectorsUsed = 1897 CD9660_BLOCKS(diskStructure->sectorSize, 1898 child->fileDataLength); 1899 1900 inode = child->node->inode; 1901 if ((inode->flags & FI_ALLOCATED) == 0) { 1902 inode->ino = 1903 CD9660_BLOCKS(diskStructure->sectorSize, 1904 used_bytes + startOffset); 1905 inode->flags |= FI_ALLOCATED; 1906 used_bytes += child->fileSectorsUsed * 1907 diskStructure->sectorSize; 1908 } else { 1909 INODE_WARNX(("%s: already allocated inode %d " 1910 "data sectors at %" PRIu32, __func__, 1911 (int)inode->st.st_ino, inode->ino)); 1912 } 1913 child->fileDataSector = inode->ino; 1914 cd9660_bothendian_dword(child->fileDataSector, 1915 child->isoDirRecord->extent); 1916 } 1917 } 1918 1919 return used_bytes; 1920 } 1921 1922 #if 0 1923 /* Might get rid of this func */ 1924 static int 1925 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file) 1926 { 1927 to->node->inode->st.st_dev = 0; 1928 to->node->inode->st.st_ino = 0; 1929 to->node->inode->st.st_size = 0; 1930 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize; 1931 to->node->inode->st.st_atime = from->node->inode->st.st_atime; 1932 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime; 1933 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime; 1934 to->node->inode->st.st_uid = from->node->inode->st.st_uid; 1935 to->node->inode->st.st_gid = from->node->inode->st.st_gid; 1936 to->node->inode->st.st_mode = from->node->inode->st.st_mode; 1937 /* Clear out type */ 1938 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT); 1939 if (file) 1940 to->node->inode->st.st_mode |= S_IFREG; 1941 else 1942 to->node->inode->st.st_mode |= S_IFDIR; 1943 return 1; 1944 } 1945 #endif 1946 1947 static cd9660node * 1948 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name, 1949 cd9660node *parent, int file, int insert) 1950 { 1951 cd9660node *temp; 1952 fsnode * tfsnode; 1953 1954 assert(parent != NULL); 1955 1956 temp = cd9660_allocate_cd9660node(); 1957 if (temp == NULL) 1958 return NULL; 1959 1960 tfsnode = emalloc(sizeof(*tfsnode)); 1961 tfsnode->name = estrdup(name); 1962 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord)); 1963 1964 cd9660_convert_filename(diskStructure, tfsnode->name, 1965 temp->isoDirRecord->name, file); 1966 1967 temp->node = tfsnode; 1968 temp->parent = parent; 1969 1970 if (insert) { 1971 if (temp->parent != NULL) { 1972 temp->level = temp->parent->level + 1; 1973 if (!TAILQ_EMPTY(&temp->parent->cn_children)) 1974 cd9660_sorted_child_insert(temp->parent, temp); 1975 else 1976 TAILQ_INSERT_HEAD(&temp->parent->cn_children, 1977 temp, cn_next_child); 1978 } 1979 } 1980 1981 if (parent->node != NULL) { 1982 tfsnode->type = parent->node->type; 1983 } 1984 1985 /* Clear out file type bits */ 1986 tfsnode->type &= ~(S_IFMT); 1987 if (file) 1988 tfsnode->type |= S_IFREG; 1989 else 1990 tfsnode->type |= S_IFDIR; 1991 1992 /* Indicate that there is no spec entry (inode) */ 1993 tfsnode->flags &= ~(FSNODE_F_HASSPEC); 1994 #if 0 1995 cd9660_copy_stat_info(parent, temp, file); 1996 #endif 1997 return temp; 1998 } 1999 2000 static cd9660node * 2001 cd9660_create_file(iso9660_disk *diskStructure, const char *name, 2002 cd9660node *parent, cd9660node *me) 2003 { 2004 cd9660node *temp; 2005 2006 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1); 2007 if (temp == NULL) 2008 return NULL; 2009 2010 temp->fileDataLength = 0; 2011 2012 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL; 2013 2014 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2015 *temp->node->inode = *me->node->inode; 2016 2017 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2018 return NULL; 2019 return temp; 2020 } 2021 2022 /* 2023 * Create a new directory which does not exist on disk 2024 * @param const char * name The name to assign to the directory 2025 * @param const char * parent Pointer to the parent directory 2026 * @returns cd9660node * Pointer to the new directory 2027 */ 2028 static cd9660node * 2029 cd9660_create_directory(iso9660_disk *diskStructure, const char *name, 2030 cd9660node *parent, cd9660node *me) 2031 { 2032 cd9660node *temp; 2033 2034 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1); 2035 if (temp == NULL) 2036 return NULL; 2037 temp->node->type |= S_IFDIR; 2038 2039 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL; 2040 2041 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode)); 2042 *temp->node->inode = *me->node->inode; 2043 2044 if (cd9660_translate_node_common(diskStructure, temp) == 0) 2045 return NULL; 2046 return temp; 2047 } 2048 2049 static cd9660node * 2050 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type, 2051 cd9660node *parent) 2052 { 2053 cd9660node *temp, *first; 2054 char na[2]; 2055 2056 assert(parent != NULL); 2057 2058 if (type == CD9660_TYPE_DOT) 2059 na[0] = 0; 2060 else if (type == CD9660_TYPE_DOTDOT) 2061 na[0] = 1; 2062 else 2063 return 0; 2064 2065 na[1] = 0; 2066 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent, 2067 0, 0)) == NULL) 2068 return NULL; 2069 2070 temp->parent = parent; 2071 temp->type = type; 2072 temp->isoDirRecord->length[0] = 34; 2073 /* Dot record is always first */ 2074 if (type == CD9660_TYPE_DOT) { 2075 parent->dot_record = temp; 2076 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child); 2077 /* DotDot should be second */ 2078 } else if (type == CD9660_TYPE_DOTDOT) { 2079 parent->dot_dot_record = temp; 2080 /* 2081 * If the first child is the dot record, insert 2082 * this second. Otherwise, insert it at the head. 2083 */ 2084 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL || 2085 (first->type & CD9660_TYPE_DOT) == 0) { 2086 TAILQ_INSERT_HEAD(&parent->cn_children, temp, 2087 cn_next_child); 2088 } else { 2089 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp, 2090 cn_next_child); 2091 } 2092 } 2093 2094 return temp; 2095 } 2096 2097 static int 2098 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage) 2099 { 2100 struct stat stbuf; 2101 2102 assert(bootimage != NULL); 2103 2104 if (*bootimage == '\0') { 2105 warnx("Error: Boot image must be a filename"); 2106 return 0; 2107 } 2108 2109 diskStructure->generic_bootimage = estrdup(bootimage); 2110 2111 /* Get information about the file */ 2112 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1) 2113 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__, 2114 diskStructure->generic_bootimage); 2115 2116 if (stbuf.st_size > 32768) { 2117 warnx("Error: Boot image must be no greater than 32768 bytes"); 2118 return 0; 2119 } 2120 2121 if (diskStructure->verbose_level > 0) { 2122 printf("Generic boot image image has size %lld\n", 2123 (long long)stbuf.st_size); 2124 } 2125 2126 diskStructure->has_generic_bootimage = 1; 2127 2128 return 1; 2129 } 2130