1/* $OpenBSD: ecma167-udf.h,v 1.10 2022/01/11 03:13:59 jsg Exp $ */ 2/* $NetBSD: ecma167-udf.h,v 1.10 2008/06/24 15:30:33 reinoud Exp $ */ 3 4/*- 5 * Copyright (c) 2003, 2004, 2005, 2006, 2008 Reinoud Zandijk 6 * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * 31 * Extended and adapted for UDFv2.50+ bij Reinoud Zandijk based on the 32 * original by Scott Long. 33 * 34 * 20030508 Made some small typo and explanatory comments 35 * 20030510 Added UDF 2.01 structures 36 * 20030519 Added/correct comments on multi-partitioned logical volume space 37 * 20050616 Added pseudo overwrite 38 * 20050624 Added the missing extended attribute types and `magic values'. 39 * 20051106 Reworked some implementation use parts 40 * 41 */ 42 43 44#ifndef _FS_UDF_ECMA167_UDF_H_ 45#define _FS_UDF_ECMA167_UDF_H_ 46 47 48/* ecma167-udf.h */ 49 50/* Volume recognition sequence ECMA 167 rev. 3 16.1 */ 51struct vrs_desc { 52 uint8_t struct_type; 53 uint8_t identifier[5]; 54 uint8_t version; 55 uint8_t data[2041]; 56} __packed; 57 58 59#define VRS_NSR02 "NSR02" 60#define VRS_NSR03 "NSR03" 61#define VRS_BEA01 "BEA01" 62#define VRS_TEA01 "TEA01" 63#define VRS_CD001 "CD001" 64#define VRS_CDW02 "CDW02" 65 66 67/* Structure/definitions/constants a la ECMA 167 rev. 3 */ 68 69 70#define MAX_TAGID_VOLUMES 9 71/* Tag identifiers */ 72enum { 73 TAGID_SPARING_TABLE = 0, 74 TAGID_PRI_VOL = 1, 75 TAGID_ANCHOR = 2, 76 TAGID_VOL = 3, 77 TAGID_IMP_VOL = 4, 78 TAGID_PARTITION = 5, 79 TAGID_LOGVOL = 6, 80 TAGID_UNALLOC_SPACE = 7, 81 TAGID_TERM = 8, 82 TAGID_LOGVOL_INTEGRITY= 9, 83 TAGID_FSD = 256, 84 TAGID_FID = 257, 85 TAGID_ALLOCEXTENT = 258, 86 TAGID_INDIRECTENTRY = 259, 87 TAGID_ICB_TERM = 260, 88 TAGID_FENTRY = 261, 89 TAGID_EXTATTR_HDR = 262, 90 TAGID_UNALL_SP_ENTRY = 263, 91 TAGID_SPACE_BITMAP = 264, 92 TAGID_PART_INTEGRITY = 265, 93 TAGID_EXTFENTRY = 266, 94 TAGID_MAX = 266 95}; 96 97 98enum { 99 UDF_DOMAIN_FLAG_HARD_WRITE_PROTECT = 1, 100 UDF_DOMAIN_FLAG_SOFT_WRITE_PROTECT = 2 101}; 102 103 104enum { 105 UDF_ACCESSTYPE_NOT_SPECIFIED = 0, /* unknown */ 106 UDF_ACCESSTYPE_PSEUDO_OVERWITE = 0, /* pseudo overwritable, e.g. BD-R's LOW */ 107 UDF_ACCESSTYPE_READ_ONLY = 1, /* really only readable */ 108 UDF_ACCESSTYPE_WRITE_ONCE = 2, /* write once and you're done */ 109 UDF_ACCESSTYPE_REWRITABLE = 3, /* may need extra work to rewrite */ 110 UDF_ACCESSTYPE_OVERWRITABLE = 4 /* no limits on rewriting; e.g. harddisc*/ 111}; 112 113 114/* Descriptor tag [3/7.2] */ 115struct desc_tag { 116 uint16_t id; 117 uint16_t descriptor_ver; 118 uint8_t cksum; 119 uint8_t reserved; 120 uint16_t serial_num; 121 uint16_t desc_crc; 122 uint16_t desc_crc_len; 123 uint32_t tag_loc; 124} __packed; 125#define UDF_DESC_TAG_LENGTH 16 126 127 128/* Recorded Address [4/7.1] */ 129struct lb_addr { /* within partition space */ 130 uint32_t lb_num; 131 uint16_t part_num; 132} __packed; 133 134 135/* Extent Descriptor [3/7.1] */ 136struct extent_ad { 137 uint32_t len; 138 uint32_t loc; 139} __packed; 140 141 142/* Short Allocation Descriptor [4/14.14.1] */ 143struct short_ad { 144 uint32_t len; 145 uint32_t lb_num; 146} __packed; 147 148 149/* Long Allocation Descriptor [4/14.14.2] */ 150struct UDF_ADImp_use { 151 uint16_t flags; 152 uint32_t unique_id; 153} __packed; 154#define UDF_ADIMP_FLAGS_EXTENT_ERASED 1 155 156 157struct long_ad { 158 uint32_t len; 159 struct lb_addr loc; /* within a logical volume mapped partition space !! */ 160 union { 161 uint8_t bytes[6]; 162 struct UDF_ADImp_use im_used; 163 } __packed impl; 164} __packed; 165#define longad_uniqueid impl.im_used.unique_id 166 167 168/* Extended Allocation Descriptor [4/14.14.3] ; identifies an extent of allocation descriptors ; also in UDF ? */ 169struct ext_ad { 170 uint32_t ex_len; 171 uint32_t rec_len; 172 uint32_t inf_len; 173 struct lb_addr ex_loc; 174 uint8_t reserved[2]; 175} __packed; 176 177 178/* ICB : Information Control Block; positioning */ 179union icb { 180 struct short_ad s_ad; 181 struct long_ad l_ad; 182 struct ext_ad e_ad; 183} __packed; 184 185 186/* short/long/ext extent have flags encoded in length */ 187#define UDF_EXT_ALLOCATED (0<<30) 188#define UDF_EXT_FREED (1<<30) 189#define UDF_EXT_ALLOCATED_BUT_NOT_USED (1<<30) 190#define UDF_EXT_FREE (2<<30) 191#define UDF_EXT_REDIRECT (3<<30) 192#define UDF_EXT_FLAGS(len) ((len) & (3<<30)) 193#define UDF_EXT_LEN(len) ((len) & ((1<<30)-1)) 194#define UDF_EXT_MAXLEN ((1<<30)-1) 195 196 197/* Character set spec [1/7.2.1] */ 198struct charspec { 199 uint8_t type; 200 uint8_t inf[63]; 201} __packed; 202 203 204struct pathcomp { 205 uint8_t type; 206 uint8_t l_ci; 207 uint16_t comp_filever; 208 uint8_t ident[256]; 209} __packed; 210#define UDF_PATH_COMP_SIZE 4 211#define UDF_PATH_COMP_RESERVED 0 212#define UDF_PATH_COMP_ROOT 1 213#define UDF_PATH_COMP_MOUNTROOT 2 214#define UDF_PATH_COMP_PARENTDIR 3 215#define UDF_PATH_COMP_CURDIR 4 216#define UDF_PATH_COMP_NAME 5 217 218 219/* Timestamp [1/7.3] */ 220struct timestamp { 221 uint16_t type_tz; 222 uint16_t year; 223 uint8_t month; 224 uint8_t day; 225 uint8_t hour; 226 uint8_t minute; 227 uint8_t second; 228 uint8_t centisec; 229 uint8_t hund_usec; 230 uint8_t usec; 231} __packed; 232#define UDF_TIMESTAMP_SIZE 12 233 234 235/* Entity Identifier [1/7.4] */ 236#define UDF_REGID_ID_SIZE 23 237struct regid { 238 uint8_t flags; 239 uint8_t id[UDF_REGID_ID_SIZE]; 240 uint8_t id_suffix[8]; 241} __packed; 242 243 244/* ICB Tag [4/14.6] */ 245struct icb_tag { 246 uint32_t prev_num_dirs; 247 uint16_t strat_type; 248 uint8_t strat_param[2]; 249 uint16_t max_num_entries; 250 uint8_t reserved; 251 uint8_t file_type; 252 struct lb_addr parent_icb; 253 uint16_t flags; 254} __packed; 255#define UDF_ICB_TAG_FLAGS_ALLOC_MASK 0x03 256#define UDF_ICB_SHORT_ALLOC 0x00 257#define UDF_ICB_LONG_ALLOC 0x01 258#define UDF_ICB_EXT_ALLOC 0x02 259#define UDF_ICB_INTERN_ALLOC 0x03 260 261#define UDF_ICB_TAG_FLAGS_DIRORDERED (1<< 3) 262#define UDF_ICB_TAG_FLAGS_NONRELOC (1<< 4) 263#define UDF_ICB_TAG_FLAGS_CONTIGUOUS (1<< 9) 264#define UDF_ICB_TAG_FLAGS_MULTIPLEVERS (1<<12) 265 266#define UDF_ICB_TAG_FLAGS_SETUID (1<< 6) 267#define UDF_ICB_TAG_FLAGS_SETGID (1<< 7) 268#define UDF_ICB_TAG_FLAGS_STICKY (1<< 8) 269 270#define UDF_ICB_FILETYPE_UNKNOWN 0 271#define UDF_ICB_FILETYPE_UNALLOCSPACE 1 272#define UDF_ICB_FILETYPE_PARTINTEGRITY 2 273#define UDF_ICB_FILETYPE_INDIRECTENTRY 3 274#define UDF_ICB_FILETYPE_DIRECTORY 4 275#define UDF_ICB_FILETYPE_RANDOMACCESS 5 276#define UDF_ICB_FILETYPE_BLOCKDEVICE 6 277#define UDF_ICB_FILETYPE_CHARDEVICE 7 278#define UDF_ICB_FILETYPE_EXTATTRREC 8 279#define UDF_ICB_FILETYPE_FIFO 9 280#define UDF_ICB_FILETYPE_SOCKET 10 281#define UDF_ICB_FILETYPE_TERM 11 282#define UDF_ICB_FILETYPE_SYMLINK 12 283#define UDF_ICB_FILETYPE_STREAMDIR 13 284#define UDF_ICB_FILETYPE_VAT 248 285#define UDF_ICB_FILETYPE_REALTIME 249 286#define UDF_ICB_FILETYPE_META_MAIN 250 287#define UDF_ICB_FILETYPE_META_MIRROR 251 288 289 290/* Anchor Volume Descriptor Pointer [3/10.2] */ 291struct anchor_vdp { 292 struct desc_tag tag; 293 struct extent_ad main_vds_ex; /* to main volume descriptor set ; 16 sectors min */ 294 struct extent_ad reserve_vds_ex; /* copy of main volume descriptor set ; 16 sectors min */ 295} __packed; 296 297 298/* Volume Descriptor Pointer [3/10.3] */ 299struct vol_desc_ptr { 300 struct desc_tag tag; /* use for extending the volume descriptor space */ 301 uint32_t vds_number; 302 struct extent_ad next_vds_ex; /* points to the next block for volume descriptor space */ 303} __packed; 304 305 306/* Primary Volume Descriptor [3/10.1] */ 307struct pri_vol_desc { 308 struct desc_tag tag; 309 uint32_t seq_num; /* MAX prevail */ 310 uint32_t pvd_num; /* assigned by author; 0 is special as in it may only occur once */ 311 char vol_id[32]; /* KEY ; main identifier of this disc */ 312 uint16_t vds_num; /* volume descriptor number; i.e. what volume number is it */ 313 uint16_t max_vol_seq; /* maximum volume descriptor number known */ 314 uint16_t ichg_lvl; 315 uint16_t max_ichg_lvl; 316 uint32_t charset_list; 317 uint32_t max_charset_list; 318 char volset_id[128]; /* KEY ; if part of a multi-disc set or a band of volumes */ 319 struct charspec desc_charset; /* KEY according to ECMA 167 */ 320 struct charspec explanatory_charset; 321 struct extent_ad vol_abstract; 322 struct extent_ad vol_copyright; 323 struct regid app_id; 324 struct timestamp time; 325 struct regid imp_id; 326 uint8_t imp_use[64]; 327 uint32_t prev_vds_loc; /* location of predecessor _lov ? */ 328 uint16_t flags; /* bit 0 : if set indicates volume set name is meaningful */ 329 uint8_t reserved[22]; 330} __packed; 331 332 333/* UDF specific implementation use part of the implementation use volume descriptor */ 334struct udf_lv_info { 335 struct charspec lvi_charset; 336 char logvol_id[128]; 337 338 char lvinfo1[36]; 339 char lvinfo2[36]; 340 char lvinfo3[36]; 341 342 struct regid impl_id; 343 uint8_t impl_use[128]; 344} __packed; 345 346 347/* Implementation use Volume Descriptor */ 348struct impvol_desc { 349 struct desc_tag tag; 350 uint32_t seq_num; 351 struct regid impl_id; 352 union { 353 struct udf_lv_info lv_info; 354 char impl_use[460]; 355 } __packed _impl_use; 356} __packed; 357 358 359/* Logical Volume Descriptor [3/10.6] */ 360struct logvol_desc { 361 struct desc_tag tag; 362 uint32_t seq_num; /* MAX prevail */ 363 struct charspec desc_charset; /* KEY */ 364 char logvol_id[128]; /* KEY */ 365 uint32_t lb_size; 366 struct regid domain_id; 367 union { 368 struct long_ad fsd_loc; /* to fileset descriptor SEQUENCE */ 369 uint8_t logvol_content_use[16]; 370 } __packed _lvd_use; 371 uint32_t mt_l; /* Partition map length */ 372 uint32_t n_pm; /* Number of partition maps */ 373 struct regid imp_id; 374 uint8_t imp_use[128]; 375 struct extent_ad integrity_seq_loc; 376 uint8_t maps[1]; 377} __packed; 378#define lv_fsd_loc _lvd_use.fsd_loc 379 380#define UDF_INTEGRITY_OPEN 0 381#define UDF_INTEGRITY_CLOSED 1 382 383 384#define UDF_PMAP_SIZE 64 385 386/* Type 1 Partition Map [3/10.7.2] */ 387struct part_map_1 { 388 uint8_t type; 389 uint8_t len; 390 uint16_t vol_seq_num; 391 uint16_t part_num; 392} __packed; 393 394 395/* Type 2 Partition Map [3/10.7.3] */ 396struct part_map_2 { 397 uint8_t type; 398 uint8_t len; 399 uint8_t reserved[2]; 400 struct regid part_id; 401 uint16_t vol_seq_num; 402 uint16_t part_num; 403 uint8_t reserved2[24]; 404} __packed; 405 406 407/* Virtual Partition Map [UDF 2.01/2.2.8] */ 408struct part_map_virt { 409 uint8_t type; 410 uint8_t len; 411 uint8_t reserved[2]; 412 struct regid id; 413 uint16_t vol_seq_num; 414 uint16_t part_num; 415 uint8_t reserved1[24]; 416} __packed; 417 418 419/* Sparable Partition Map [UDF 2.01/2.2.9] */ 420struct part_map_spare { 421 uint8_t type; 422 uint8_t len; 423 uint8_t reserved[2]; 424 struct regid id; 425 uint16_t vol_seq_num; 426 uint16_t part_num; 427 uint16_t packet_len; 428 uint8_t n_st; /* Number of redundant sparing tables range 1-4 */ 429 uint8_t reserved1; 430 uint32_t st_size; /* size of EACH sparing table */ 431 uint32_t st_loc[1]; /* locations of sparing tables */ 432} __packed; 433 434 435/* Metadata Partition Map [UDF 2.50/2.2.10] */ 436struct part_map_meta { 437 uint8_t type; 438 uint8_t len; 439 uint8_t reserved[2]; 440 struct regid id; 441 uint16_t vol_seq_num; 442 uint16_t part_num; 443 uint32_t meta_file_lbn; /* logical block number for file entry within part_num */ 444 uint32_t meta_mirror_file_lbn; 445 uint32_t meta_bitmap_file_lbn; 446 uint32_t alloc_unit_size; /* allocation unit size in blocks */ 447 uint16_t alignment_unit_size; /* alignment necessary in blocks */ 448 uint8_t flags; 449 uint8_t reserved1[5]; 450} __packed; 451#define METADATA_DUPLICATED 1 452 453 454union udf_pmap { 455 uint8_t data[UDF_PMAP_SIZE]; 456 struct part_map_1 pm1; 457 struct part_map_2 pm2; 458 struct part_map_virt pmv; 459 struct part_map_spare pms; 460 struct part_map_meta pmm; 461} __packed; 462 463 464/* Sparing Map Entry [UDF 2.01/2.2.11] */ 465struct spare_map_entry { 466 uint32_t org; /* partition relative address */ 467 uint32_t map; /* absolute disc address (!) can be in partition, but doesn't have to be */ 468} __packed; 469 470 471/* Sparing Table [UDF 2.01/2.2.11] */ 472struct udf_sparing_table { 473 struct desc_tag tag; 474 struct regid id; 475 uint16_t rt_l; /* Relocation Table len */ 476 uint8_t reserved[2]; 477 uint32_t seq_num; 478 struct spare_map_entry entries[1]; 479} __packed; 480 481 482#define UDF_NO_PREV_VAT 0xffffffff 483/* UDF 1.50 VAT suffix [UDF 2.2.10 (UDF 1.50 spec)] */ 484struct udf_oldvat_tail { 485 struct regid id; /* "*UDF Virtual Alloc Tbl" */ 486 uint32_t prev_vat; 487} __packed; 488 489 490/* VAT table [UDF 2.0.1/2.2.10] */ 491struct udf_vat { 492 uint16_t header_len; 493 uint16_t impl_use_len; 494 char logvol_id[128]; /* newer version of the LVD one */ 495 uint32_t prev_vat; 496 uint32_t num_files; 497 uint32_t num_directories; 498 uint16_t min_udf_readver; 499 uint16_t min_udf_writever; 500 uint16_t max_udf_writever; 501 uint16_t reserved; 502 uint8_t data[1]; /* impl.use followed by VAT entries (uint32_t) */ 503} __packed; 504 505 506/* Space bitmap descriptor as found in the partition header descriptor */ 507struct space_bitmap_desc { 508 struct desc_tag tag; /* TagId 264 */ 509 uint32_t num_bits; /* number of bits */ 510 uint32_t num_bytes; /* bytes that contain it */ 511 uint8_t data[1]; 512} __packed; 513 514 515/* Unalloc space entry as found in the partition header descriptor */ 516struct space_entry_desc { 517 struct desc_tag tag; /* TagId 263 */ 518 struct icb_tag icbtag; /* type 1 */ 519 uint32_t l_ad; /* in bytes */ 520 uint8_t entry[1]; 521} __packed; 522 523 524/* Partition header descriptor; in the contents_use of part_desc */ 525struct part_hdr_desc { 526 struct short_ad unalloc_space_table; 527 struct short_ad unalloc_space_bitmap; 528 struct short_ad part_integrity_table; /* has to be ZERO for UDF */ 529 struct short_ad freed_space_table; 530 struct short_ad freed_space_bitmap; 531 uint8_t reserved[88]; 532} __packed; 533 534 535/* Partition Descriptor [3/10.5] */ 536struct part_desc { 537 struct desc_tag tag; 538 uint32_t seq_num; /* MAX prevailing */ 539 uint16_t flags; /* bit 0 : if set the space is allocated */ 540 uint16_t part_num; /* KEY */ 541 struct regid contents; 542 union { 543 struct part_hdr_desc part_hdr; 544 uint8_t contents_use[128]; 545 } _impl_use; 546 uint32_t access_type; /* R/W, WORM etc. */ 547 uint32_t start_loc; /* start of partition with given length */ 548 uint32_t part_len; 549 struct regid imp_id; 550 uint8_t imp_use[128]; 551 uint8_t reserved[156]; 552} __packed; 553#define pd_part_hdr _impl_use.part_hdr 554#define UDF_PART_FLAG_ALLOCATED 1 555 556 557/* Unallocated Space Descriptor (UDF 2.01/2.2.5) */ 558struct unalloc_sp_desc { 559 struct desc_tag tag; 560 uint32_t seq_num; /* MAX prevailing */ 561 uint32_t alloc_desc_num; 562 struct extent_ad alloc_desc[1]; 563} __packed; 564 565 566/* Logical Volume Integrity Descriptor [3/30.10] */ 567struct logvolhdr { 568 uint64_t next_unique_id; 569 /* rest reserved */ 570} __packed; 571 572 573struct udf_logvol_info { 574 struct regid impl_id; 575 uint32_t num_files; 576 uint32_t num_directories; 577 uint16_t min_udf_readver; 578 uint16_t min_udf_writever; 579 uint16_t max_udf_writever; 580} __packed; 581 582 583struct logvol_int_desc { 584 struct desc_tag tag; 585 struct timestamp time; 586 uint32_t integrity_type; 587 struct extent_ad next_extent; 588 union { 589 struct logvolhdr logvolhdr; 590 int8_t reserved[32]; 591 } __packed _impl_use; 592 uint32_t num_part; 593 uint32_t l_iu; 594 uint32_t tables[1]; /* Freespace table, Sizetable, Implementation use */ 595} __packed; 596#define lvint_next_unique_id _impl_use.logvolhdr.next_unique_id 597 598 599/* File Set Descriptor [4/14.1] */ 600struct fileset_desc { 601 struct desc_tag tag; 602 struct timestamp time; 603 uint16_t ichg_lvl; 604 uint16_t max_ichg_lvl; 605 uint32_t charset_list; 606 uint32_t max_charset_list; 607 uint32_t fileset_num; /* key! */ 608 uint32_t fileset_desc_num; 609 struct charspec logvol_id_charset; 610 char logvol_id[128]; /* for recovery */ 611 struct charspec fileset_charset; 612 char fileset_id[32]; /* Mountpoint !! */ 613 char copyright_file_id[32]; 614 char abstract_file_id[32]; 615 struct long_ad rootdir_icb; /* to rootdir; icb->virtual ? */ 616 struct regid domain_id; 617 struct long_ad next_ex; /* to the next fileset_desc extent */ 618 struct long_ad streamdir_icb; /* streamdir; needed? */ 619 uint8_t reserved[32]; 620} __packed; 621 622 623/* File Identifier Descriptor [4/14.4] */ 624struct fileid_desc { 625 struct desc_tag tag; 626 uint16_t file_version_num; 627 uint8_t file_char; 628 uint8_t l_fi; /* Length of file identifier area */ 629 struct long_ad icb; 630 uint16_t l_iu; /* Length of implementation use area */ 631 uint8_t data[0]; 632} __packed; 633#define UDF_FID_SIZE 38 634#define UDF_FILE_CHAR_VIS (1 << 0) /* Invisible */ 635#define UDF_FILE_CHAR_DIR (1 << 1) /* Directory */ 636#define UDF_FILE_CHAR_DEL (1 << 2) /* Deleted */ 637#define UDF_FILE_CHAR_PAR (1 << 3) /* Parent Directory */ 638#define UDF_FILE_CHAR_META (1 << 4) /* Stream metadata */ 639 640 641/* Extended attributes [4/14.10.1] */ 642struct extattrhdr_desc { 643 struct desc_tag tag; 644 uint32_t impl_attr_loc; /* offsets within this descriptor */ 645 uint32_t appl_attr_loc; /* ditto */ 646} __packed; 647#define UDF_IMPL_ATTR_LOC_NOT_PRESENT 0xffffffff 648#define UDF_APPL_ATTR_LOC_NOT_PRESENT 0xffffffff 649 650 651/* Extended attribute entry [4/48.10.2] */ 652struct extattr_entry { 653 uint32_t type; 654 uint8_t subtype; 655 uint8_t reserved[3]; 656 uint32_t a_l; 657} __packed; 658 659 660/* Extended attribute entry; type 2048 [4/48.10.8] */ 661struct impl_extattr_entry { 662 struct extattr_entry hdr; 663 uint32_t iu_l; 664 struct regid imp_id; 665 uint8_t data[1]; 666} __packed; 667 668 669/* Extended attribute entry; type 65 536 [4/48.10.9] */ 670struct appl_extattr_entry { 671 struct extattr_entry hdr; 672 uint32_t au_l; 673 struct regid appl_id; 674 uint8_t data[1]; 675} __packed; 676 677 678/* File Times attribute entry; type 5 or type 6 [4/48.10.5], [4/48.10.6] */ 679struct filetimes_extattr_entry { 680 struct extattr_entry hdr; 681 uint32_t d_l; /* length of times[] data following */ 682 uint32_t existence; /* bitmask */ 683 struct timestamp times[1]; /* in order of ascending bits */ 684} __packed; 685#define UDF_FILETIMES_ATTR_NO 5 686#define UDF_FILETIMES_FILE_CREATION 1 687#define UDF_FILETIMES_FILE_DELETION 4 688#define UDF_FILETIMES_FILE_EFFECTIVE 8 689#define UDF_FILETIMES_FILE_BACKUPED 16 690#define UDF_FILETIMES_ATTR_SIZE(no) (20 + (no)*sizeof(struct timestamp)) 691 692 693/* Device Specification Extended Attribute [4/4.10.7] */ 694struct device_extattr_entry { 695 struct extattr_entry hdr; 696 uint32_t iu_l; /* length of implementation use */ 697 uint32_t major; 698 uint32_t minor; 699 uint8_t data[1]; /* UDF: if nonzero length, contain developer ID regid */ 700} __packed; 701#define UDF_DEVICESPEC_ATTR_NO 12 702 703 704/* VAT LV extension Extended Attribute [UDF 3.3.4.5.1.3] 1.50 errata */ 705struct vatlvext_extattr_entry { 706 uint64_t unique_id_chk; /* needs to be copy of ICB's */ 707 uint32_t num_files; 708 uint32_t num_directories; 709 char logvol_id[128]; /* replaces logvol name */ 710} __packed; 711 712 713/* File Entry [4/14.9] */ 714struct file_entry { 715 struct desc_tag tag; 716 struct icb_tag icbtag; 717 uint32_t uid; 718 uint32_t gid; 719 uint32_t perm; 720 uint16_t link_cnt; 721 uint8_t rec_format; 722 uint8_t rec_disp_attr; 723 uint32_t rec_len; 724 uint64_t inf_len; 725 uint64_t logblks_rec; 726 struct timestamp atime; 727 struct timestamp mtime; 728 struct timestamp attrtime; 729 uint32_t ckpoint; 730 struct long_ad ex_attr_icb; 731 struct regid imp_id; 732 uint64_t unique_id; 733 uint32_t l_ea; /* Length of extended attribute area */ 734 uint32_t l_ad; /* Length of allocation descriptors */ 735 uint8_t data[1]; 736} __packed; 737#define UDF_FENTRY_SIZE 176 738#define UDF_FENTRY_PERM_USER_MASK 0x07 739#define UDF_FENTRY_PERM_GRP_MASK 0xE0 740#define UDF_FENTRY_PERM_OWNER_MASK 0x1C00 741 742 743/* Extended File Entry [4/48.17] */ 744struct extfile_entry { 745 struct desc_tag tag; 746 struct icb_tag icbtag; 747 uint32_t uid; 748 uint32_t gid; 749 uint32_t perm; 750 uint16_t link_cnt; 751 uint8_t rec_format; 752 uint8_t rec_disp_attr; 753 uint32_t rec_len; 754 uint64_t inf_len; 755 uint64_t obj_size; 756 uint64_t logblks_rec; 757 struct timestamp atime; 758 struct timestamp mtime; 759 struct timestamp ctime; 760 struct timestamp attrtime; 761 uint32_t ckpoint; 762 uint32_t reserved1; 763 struct long_ad ex_attr_icb; 764 struct long_ad streamdir_icb; 765 struct regid imp_id; 766 uint64_t unique_id; 767 uint32_t l_ea; /* Length of extended attribute area */ 768 uint32_t l_ad; /* Length of allocation descriptors */ 769 uint8_t data[1]; 770} __packed; 771#define UDF_EXTFENTRY_SIZE 216 772 773 774/* Indirect entry [ecma 48.7] */ 775struct indirect_entry { 776 struct desc_tag tag; 777 struct icb_tag icbtag; 778 struct long_ad indirect_icb; 779} __packed; 780 781 782/* Allocation extent descriptor [ecma 48.5] */ 783struct alloc_ext_entry { 784 struct desc_tag tag; 785 uint32_t prev_entry; 786 uint32_t l_ad; 787 uint8_t data[1]; 788} __packed; 789 790 791union dscrptr { 792 struct desc_tag tag; 793 struct anchor_vdp avdp; 794 struct vol_desc_ptr vdp; 795 struct pri_vol_desc pvd; 796 struct logvol_desc lvd; 797 struct unalloc_sp_desc usd; 798 struct logvol_int_desc lvid; 799 struct impvol_desc ivd; 800 struct part_desc pd; 801 struct fileset_desc fsd; 802 struct fileid_desc fid; 803 struct file_entry fe; 804 struct extfile_entry efe; 805 struct extattrhdr_desc eahd; 806 struct indirect_entry inde; 807 struct alloc_ext_entry aee; 808 struct udf_sparing_table spt; 809 struct space_bitmap_desc sbd; 810 struct space_entry_desc sed; 811} __packed; 812 813/* Useful defines */ 814 815#define GETICB(ad_type, fentry, offset) \ 816 (struct ad_type *)&fentry->data[offset] 817 818#define GETICBLEN(ad_type, icb) letoh32(((struct ad_type *)(icb))->len) 819 820#endif /* !_FS_UDF_ECMA167_UDF_H_ */ 821 822