1 /*- 2 * Copyright (c) 2009-2012 Michihiro NAKAJIMA 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "archive_platform.h" 27 28 #ifdef HAVE_SYS_TYPES_H 29 #include <sys/types.h> 30 #endif 31 #ifdef HAVE_SYS_UTSNAME_H 32 #include <sys/utsname.h> 33 #endif 34 #ifdef HAVE_ERRNO_H 35 #include <errno.h> 36 #endif 37 #ifdef HAVE_LIMITS_H 38 #include <limits.h> 39 #endif 40 #include <stdio.h> 41 #include <stdarg.h> 42 #ifdef HAVE_STDLIB_H 43 #include <stdlib.h> 44 #endif 45 #include <time.h> 46 #ifdef HAVE_UNISTD_H 47 #include <unistd.h> 48 #endif 49 #ifdef HAVE_ZLIB_H 50 #include <zlib.h> 51 #endif 52 53 #include "archive.h" 54 #include "archive_endian.h" 55 #include "archive_entry.h" 56 #include "archive_entry_locale.h" 57 #include "archive_private.h" 58 #include "archive_rb.h" 59 #include "archive_write_private.h" 60 61 #if defined(_WIN32) && !defined(__CYGWIN__) 62 #define getuid() 0 63 #define getgid() 0 64 #endif 65 66 /*#define DEBUG 1*/ 67 #ifdef DEBUG 68 /* To compare to the ISO image file made by mkisofs. */ 69 #define COMPAT_MKISOFS 1 70 #endif 71 72 #define LOGICAL_BLOCK_BITS 11 73 #define LOGICAL_BLOCK_SIZE 2048 74 #define PATH_TABLE_BLOCK_SIZE 4096 75 76 #define SYSTEM_AREA_BLOCK 16 77 #define PRIMARY_VOLUME_DESCRIPTOR_BLOCK 1 78 #define SUPPLEMENTARY_VOLUME_DESCRIPTOR_BLOCK 1 79 #define BOOT_RECORD_DESCRIPTOR_BLOCK 1 80 #define VOLUME_DESCRIPTOR_SET_TERMINATOR_BLOCK 1 81 #define NON_ISO_FILE_SYSTEM_INFORMATION_BLOCK 1 82 #define RRIP_ER_BLOCK 1 83 #define PADDING_BLOCK 150 84 85 #define FD_1_2M_SIZE (1024 * 1200) 86 #define FD_1_44M_SIZE (1024 * 1440) 87 #define FD_2_88M_SIZE (1024 * 2880) 88 #define MULTI_EXTENT_SIZE (ARCHIVE_LITERAL_LL(1) << 32) /* 4Gi bytes. */ 89 #define MAX_DEPTH 8 90 #define RR_CE_SIZE 28 /* SUSP "CE" extension size */ 91 92 #define FILE_FLAG_EXISTENCE 0x01 93 #define FILE_FLAG_DIRECTORY 0x02 94 #define FILE_FLAG_ASSOCIATED 0x04 95 #define FILE_FLAG_RECORD 0x08 96 #define FILE_FLAG_PROTECTION 0x10 97 #define FILE_FLAG_MULTI_EXTENT 0x80 98 99 static const char rrip_identifier[] = 100 "RRIP_1991A"; 101 static const char rrip_descriptor[] = 102 "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES SUPPORT FOR " 103 "POSIX FILE SYSTEM SEMANTICS"; 104 static const char rrip_source[] = 105 "PLEASE CONTACT DISC PUBLISHER FOR SPECIFICATION SOURCE. " 106 "SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR FOR " 107 "CONTACT INFORMATION."; 108 #define RRIP_ER_ID_SIZE (sizeof(rrip_identifier)-1) 109 #define RRIP_ER_DSC_SIZE (sizeof(rrip_descriptor)-1) 110 #define RRIP_ER_SRC_SIZE (sizeof(rrip_source)-1) 111 #define RRIP_ER_SIZE (8 + RRIP_ER_ID_SIZE + \ 112 RRIP_ER_DSC_SIZE + RRIP_ER_SRC_SIZE) 113 114 static const unsigned char zisofs_magic[8] = { 115 0x37, 0xE4, 0x53, 0x96, 0xC9, 0xDB, 0xD6, 0x07 116 }; 117 118 #define ZF_HEADER_SIZE 16 /* zisofs header size. */ 119 #define ZF_LOG2_BS 15 /* log2 block size; 32K bytes. */ 120 #define ZF_BLOCK_SIZE (1UL << ZF_LOG2_BS) 121 122 /* 123 * Manage extra records. 124 */ 125 struct extr_rec { 126 int location; 127 int offset; 128 unsigned char buf[LOGICAL_BLOCK_SIZE]; 129 struct extr_rec *next; 130 }; 131 132 struct ctl_extr_rec { 133 int use_extr; 134 unsigned char *bp; 135 struct isoent *isoent; 136 unsigned char *ce_ptr; 137 int cur_len; 138 int dr_len; 139 int limit; 140 int extr_off; 141 int extr_loc; 142 }; 143 #define DR_SAFETY RR_CE_SIZE 144 #define DR_LIMIT (254 - DR_SAFETY) 145 146 /* 147 * The relation of struct isofile and isoent and archive_entry. 148 * 149 * Primary volume tree --> struct isoent 150 * | 151 * v 152 * struct isofile --> archive_entry 153 * ^ 154 * | 155 * Joliet volume tree --> struct isoent 156 * 157 * struct isoent has specific information for volume. 158 */ 159 160 struct isofile { 161 /* Used for managing struct isofile list. */ 162 struct isofile *allnext; 163 struct isofile *datanext; 164 /* Used for managing a hardlined struct isofile list. */ 165 struct isofile *hlnext; 166 struct isofile *hardlink_target; 167 168 struct archive_entry *entry; 169 170 /* 171 * Used for making a directory tree. 172 */ 173 struct archive_string parentdir; 174 struct archive_string basename; 175 struct archive_string basename_utf16; 176 struct archive_string symlink; 177 int dircnt; /* The number of elements of 178 * its parent directory */ 179 180 /* 181 * Used for a Directory Record. 182 */ 183 struct content { 184 int64_t offset_of_temp; 185 int64_t size; 186 int blocks; 187 uint32_t location; 188 /* 189 * One extent equals one content. 190 * If this entry has multi extent, `next' variable points 191 * next content data. 192 */ 193 struct content *next; /* next content */ 194 } content, *cur_content; 195 int write_content; 196 197 enum { 198 NO = 0, 199 BOOT_CATALOG, 200 BOOT_IMAGE, 201 } boot; 202 203 /* 204 * Used for a zisofs. 205 */ 206 struct { 207 unsigned char header_size; 208 unsigned char log2_bs; 209 uint32_t uncompressed_size; 210 } zisofs; 211 }; 212 213 struct isoent { 214 /* Keep `rbnode' at the first member of struct isoent. */ 215 struct archive_rb_node rbnode; 216 217 struct isofile *file; 218 219 struct isoent *parent; 220 /* A list of children.(use chnext) */ 221 struct { 222 struct isoent *first; 223 struct isoent **last; 224 int cnt; 225 } children; 226 struct archive_rb_tree rbtree; 227 228 /* A list of sub directories.(use drnext) */ 229 struct { 230 struct isoent *first; 231 struct isoent **last; 232 int cnt; 233 } subdirs; 234 /* A sorted list of sub directories. */ 235 struct isoent **children_sorted; 236 /* Used for managing struct isoent list. */ 237 struct isoent *chnext; 238 struct isoent *drnext; 239 struct isoent *ptnext; 240 241 /* 242 * Used for making a Directory Record. 243 */ 244 int dir_number; 245 struct { 246 int vd; 247 int self; 248 int parent; 249 int normal; 250 } dr_len; 251 uint32_t dir_location; 252 int dir_block; 253 254 /* 255 * Identifier: 256 * on primary, ISO9660 file/directory name. 257 * on joliet, UCS2 file/directory name. 258 * ext_off : offset of identifier extension. 259 * ext_len : length of identifier extension. 260 * id_len : byte size of identifier. 261 * on primary, this is ext_off + ext_len + version length. 262 * on joliet, this is ext_off + ext_len. 263 * mb_len : length of multibyte-character of identifier. 264 * on primary, mb_len and id_len are always the same. 265 * on joliet, mb_len and id_len are different. 266 */ 267 char *identifier; 268 int ext_off; 269 int ext_len; 270 int id_len; 271 int mb_len; 272 273 /* 274 * Used for making a Rockridge extension. 275 * This is a part of Directory Records. 276 */ 277 struct isoent *rr_parent; 278 struct isoent *rr_child; 279 280 /* Extra Record.(which we call in this source file) 281 * A maximum size of the Directory Record is 254. 282 * so, if generated RRIP data of a file cannot into a Directory 283 * Record because of its size, that surplus data relocate this 284 * Extra Record. 285 */ 286 struct { 287 struct extr_rec *first; 288 struct extr_rec **last; 289 struct extr_rec *current; 290 } extr_rec_list; 291 292 int virtual:1; 293 /* If set to one, this file type is a directory. 294 * A convenience flag to be used as 295 * "archive_entry_filetype(isoent->file->entry) == AE_IFDIR". 296 */ 297 int dir:1; 298 }; 299 300 struct hardlink { 301 struct archive_rb_node rbnode; 302 int nlink; 303 struct { 304 struct isofile *first; 305 struct isofile **last; 306 } file_list; 307 }; 308 309 /* 310 * ISO writer options 311 */ 312 struct iso_option { 313 /* 314 * Usage : abstract-file=<value> 315 * Type : string, max 37 bytes 316 * Default: Not specified 317 * COMPAT : mkisofs -abstract <value> 318 * 319 * Specifies Abstract Filename. 320 * This file shall be described in the Root Directory 321 * and containing a abstract statement. 322 */ 323 unsigned int abstract_file:1; 324 #define OPT_ABSTRACT_FILE_DEFAULT 0 /* Not specified */ 325 #define ABSTRACT_FILE_SIZE 37 326 327 /* 328 * Usage : application-id=<value> 329 * Type : string, max 128 bytes 330 * Default: Not specified 331 * COMPAT : mkisofs -A/-appid <value>. 332 * 333 * Specifies Application Identifier. 334 * If the first byte is set to '_'(5F), the remaining 335 * bytes of this option shall specify an identifier 336 * for a file containing the identification of the 337 * application. 338 * This file shall be described in the Root Directory. 339 */ 340 unsigned int application_id:1; 341 #define OPT_APPLICATION_ID_DEFAULT 0 /* Use default identifier */ 342 #define APPLICATION_IDENTIFIER_SIZE 128 343 344 /* 345 * Usage : !allow-vernum 346 * Type : boolean 347 * Default: Enabled 348 * : Violates the ISO9660 standard if disable. 349 * COMPAT: mkisofs -N 350 * 351 * Allow filenames to use version numbers. 352 */ 353 unsigned int allow_vernum:1; 354 #define OPT_ALLOW_VERNUM_DEFAULT 1 /* Enabled */ 355 356 /* 357 * Usage : biblio-file=<value> 358 * Type : string, max 37 bytes 359 * Default: Not specified 360 * COMPAT : mkisofs -biblio <value> 361 * 362 * Specifies Bibliographic Filename. 363 * This file shall be described in the Root Directory 364 * and containing bibliographic records. 365 */ 366 unsigned int biblio_file:1; 367 #define OPT_BIBLIO_FILE_DEFAULT 0 /* Not specified */ 368 #define BIBLIO_FILE_SIZE 37 369 370 /* 371 * Usage : boot=<value> 372 * Type : string 373 * Default: Not specified 374 * COMPAT : mkisofs -b/-eltorito-boot <value> 375 * 376 * Specifies "El Torito" boot image file to make 377 * a bootable CD. 378 */ 379 unsigned int boot:1; 380 #define OPT_BOOT_DEFAULT 0 /* Not specified */ 381 382 /* 383 * Usage : boot-catalog=<value> 384 * Type : string 385 * Default: "boot.catalog" 386 * COMPAT : mkisofs -c/-eltorito-catalog <value> 387 * 388 * Specifies a fullpath of El Torito boot catalog. 389 */ 390 unsigned int boot_catalog:1; 391 #define OPT_BOOT_CATALOG_DEFAULT 0 /* Not specified */ 392 393 /* 394 * Usage : boot-info-table 395 * Type : boolean 396 * Default: Disabled 397 * COMPAT : mkisofs -boot-info-table 398 * 399 * Modify the boot image file specified by `boot' 400 * option; ISO writer stores boot file information 401 * into the boot file in ISO image at offset 8 402 * through offset 64. 403 */ 404 unsigned int boot_info_table:1; 405 #define OPT_BOOT_INFO_TABLE_DEFAULT 0 /* Disabled */ 406 407 /* 408 * Usage : boot-load-seg=<value> 409 * Type : hexadecimal 410 * Default: Not specified 411 * COMPAT : mkisofs -boot-load-seg <value> 412 * 413 * Specifies a load segment for boot image. 414 * This is used with no-emulation mode. 415 */ 416 unsigned int boot_load_seg:1; 417 #define OPT_BOOT_LOAD_SEG_DEFAULT 0 /* Not specified */ 418 419 /* 420 * Usage : boot-load-size=<value> 421 * Type : decimal 422 * Default: Not specified 423 * COMPAT : mkisofs -boot-load-size <value> 424 * 425 * Specifies a sector count for boot image. 426 * This is used with no-emulation mode. 427 */ 428 unsigned int boot_load_size:1; 429 #define OPT_BOOT_LOAD_SIZE_DEFAULT 0 /* Not specified */ 430 431 /* 432 * Usage : boot-type=<boot-media-type> 433 * : 'no-emulation' : 'no emulation' image 434 * : 'fd' : floppy disk image 435 * : 'hard-disk' : hard disk image 436 * Type : string 437 * Default: Auto detect 438 * : We check a size of boot image; 439 * : If ths size is just 1.22M/1.44M/2.88M, 440 * : we assume boot_type is 'fd'; 441 * : otherwise boot_type is 'no-emulation'. 442 * COMPAT : 443 * boot=no-emulation 444 * mkisofs -no-emul-boot 445 * boot=fd 446 * This is a default on the mkisofs. 447 * boot=hard-disk 448 * mkisofs -hard-disk-boot 449 * 450 * Specifies a type of "El Torito" boot image. 451 */ 452 unsigned int boot_type:2; 453 #define OPT_BOOT_TYPE_AUTO 0 /* auto detect */ 454 #define OPT_BOOT_TYPE_NO_EMU 1 /* ``no emulation'' image */ 455 #define OPT_BOOT_TYPE_FD 2 /* floppy disk image */ 456 #define OPT_BOOT_TYPE_HARD_DISK 3 /* hard disk image */ 457 #define OPT_BOOT_TYPE_DEFAULT OPT_BOOT_TYPE_AUTO 458 459 /* 460 * Usage : compression-level=<value> 461 * Type : decimal 462 * Default: Not specified 463 * COMPAT : NONE 464 * 465 * Specifies compression level for option zisofs=direct. 466 */ 467 unsigned int compression_level:1; 468 #define OPT_COMPRESSION_LEVEL_DEFAULT 0 /* Not specified */ 469 470 /* 471 * Usage : copyright-file=<value> 472 * Type : string, max 37 bytes 473 * Default: Not specified 474 * COMPAT : mkisofs -copyright <value> 475 * 476 * Specifies Copyright Filename. 477 * This file shall be described in the Root Directory 478 * and containing a copyright statement. 479 */ 480 unsigned int copyright_file:1; 481 #define OPT_COPYRIGHT_FILE_DEFAULT 0 /* Not specified */ 482 #define COPYRIGHT_FILE_SIZE 37 483 484 /* 485 * Usage : gid=<value> 486 * Type : decimal 487 * Default: Not specified 488 * COMPAT : mkisofs -gid <value> 489 * 490 * Specifies a group id to rewrite the group id of all files. 491 */ 492 unsigned int gid:1; 493 #define OPT_GID_DEFAULT 0 /* Not specified */ 494 495 /* 496 * Usage : iso-level=[1234] 497 * Type : decimal 498 * Default: 1 499 * COMPAT : mkisofs -iso-level <value> 500 * 501 * Specifies ISO9600 Level. 502 * Level 1: [DEFAULT] 503 * - limits each file size less than 4Gi bytes; 504 * - a File Name shall not contain more than eight 505 * d-characters or eight d1-characters; 506 * - a File Name Extension shall not contain more than 507 * three d-characters or three d1-characters; 508 * - a Directory Identifier shall not contain more 509 * than eight d-characters or eight d1-characters. 510 * Level 2: 511 * - limits each file size less than 4Giga bytes; 512 * - a File Name shall not contain more than thirty 513 * d-characters or thirty d1-characters; 514 * - a File Name Extension shall not contain more than 515 * thirty d-characters or thirty d1-characters; 516 * - a Directory Identifier shall not contain more 517 * than thirty-one d-characters or thirty-one 518 * d1-characters. 519 * Level 3: 520 * - no limit of file size; use multi extent. 521 * Level 4: 522 * - this level 4 simulates mkisofs option 523 * '-iso-level 4'; 524 * - crate a enhanced volume as mkisofs doing; 525 * - allow a File Name to have leading dot; 526 * - allow a File Name to have all ASCII letters; 527 * - allow a File Name to have multiple dots; 528 * - allow more then 8 depths of directory trees; 529 * - disable a version number to a File Name; 530 * - disable a forced period to the tail of a File Name; 531 * - the maxinum length of files and directories is raised to 193. 532 * if rockridge option is disabled, raised to 207. 533 */ 534 unsigned int iso_level:3; 535 #define OPT_ISO_LEVEL_DEFAULT 1 /* ISO Level 1 */ 536 537 /* 538 * Usage : joliet[=long] 539 * : !joliet 540 * : Do not generate Joliet Volume and Records. 541 * : joliet [DEFAULT] 542 * : Generates Joliet Volume and Directory Records. 543 * : [COMPAT: mkisofs -J/-joliet] 544 * : joliet=long 545 * : The joliet filenames are up to 103 Unicode 546 * : characters. 547 * : This option breaks the Joliet specification. 548 * : [COMPAT: mkisofs -J -joliet-long] 549 * Type : boolean/string 550 * Default: Enabled 551 * COMPAT : mkisofs -J / -joliet-long 552 * 553 * Generates Joliet Volume and Directory Records. 554 */ 555 unsigned int joliet:2; 556 #define OPT_JOLIET_DISABLE 0 /* Not generate Joliet Records. */ 557 #define OPT_JOLIET_ENABLE 1 /* Generate Joliet Records. */ 558 #define OPT_JOLIET_LONGNAME 2 /* Use long joliet filenames.*/ 559 #define OPT_JOLIET_DEFAULT OPT_JOLIET_ENABLE 560 561 /* 562 * Usage : !limit-depth 563 * Type : boolean 564 * Default: Enabled 565 * : Violates the ISO9660 standard if disable. 566 * COMPAT : mkisofs -D/-disable-deep-relocation 567 * 568 * The number of levels in hierarchy cannot exceed eight. 569 */ 570 unsigned int limit_depth:1; 571 #define OPT_LIMIT_DEPTH_DEFAULT 1 /* Enabled */ 572 573 /* 574 * Usage : !limit-dirs 575 * Type : boolean 576 * Default: Enabled 577 * : Violates the ISO9660 standard if disable. 578 * COMPAT : mkisofs -no-limit-pathtables 579 * 580 * Limits the number of directories less than 65536 due 581 * to the size of the Parent Directory Number of Path 582 * Table. 583 */ 584 unsigned int limit_dirs:1; 585 #define OPT_LIMIT_DIRS_DEFAULT 1 /* Enabled */ 586 587 /* 588 * Usage : !pad 589 * Type : boolean 590 * Default: Enabled 591 * COMPAT : -pad/-no-pad 592 * 593 * Pads the end of the ISO image by null of 300Ki bytes. 594 */ 595 unsigned int pad:1; 596 #define OPT_PAD_DEFAULT 1 /* Enabled */ 597 598 /* 599 * Usage : publisher=<value> 600 * Type : string, max 128 bytes 601 * Default: Not specified 602 * COMPAT : mkisofs -publisher <value> 603 * 604 * Specifies Publisher Identifier. 605 * If the first byte is set to '_'(5F), the remaining 606 * bytes of this option shall specify an identifier 607 * for a file containing the identification of the user. 608 * This file shall be described in the Root Directory. 609 */ 610 unsigned int publisher:1; 611 #define OPT_PUBLISHER_DEFAULT 0 /* Not specified */ 612 #define PUBLISHER_IDENTIFIER_SIZE 128 613 614 /* 615 * Usage : rockridge 616 * : !rockridge 617 * : disable to generate SUSP and RR records. 618 * : rockridge 619 * : the same as 'rockridge=useful'. 620 * : rockridge=strict 621 * : generate SUSP and RR records. 622 * : [COMPAT: mkisofs -R] 623 * : rockridge=useful [DEFAULT] 624 * : generate SUSP and RR records. 625 * : [COMPAT: mkisofs -r] 626 * : NOTE Our rockridge=useful option does not set a zero 627 * : to uid and gid, you should use application 628 * : option such as --gid,--gname,--uid and --uname 629 * : badtar options instead. 630 * Type : boolean/string 631 * Default: Enabled as rockridge=useful 632 * COMPAT : mkisofs -r / -R 633 * 634 * Generates SUSP and RR records. 635 */ 636 unsigned int rr:2; 637 #define OPT_RR_DISABLED 0 638 #define OPT_RR_STRICT 1 639 #define OPT_RR_USEFUL 2 640 #define OPT_RR_DEFAULT OPT_RR_USEFUL 641 642 /* 643 * Usage : volume-id=<value> 644 * Type : string, max 32 bytes 645 * Default: Not specified 646 * COMPAT : mkisofs -V <value> 647 * 648 * Specifies Volume Identifier. 649 */ 650 unsigned int volume_id:1; 651 #define OPT_VOLUME_ID_DEFAULT 0 /* Use default identifier */ 652 #define VOLUME_IDENTIFIER_SIZE 32 653 654 /* 655 * Usage : !zisofs [DEFAULT] 656 * : Disable to generate RRIP 'ZF' extension. 657 * : zisofs 658 * : Make files zisofs file and generate RRIP 'ZF' 659 * : extension. So you do not need mkzftree utility 660 * : for making zisofs. 661 * : When the file size is less than one Logical Block 662 * : size, that file will not zisofs'ed since it does 663 * : reduece an ISO-image size. 664 * : 665 * : When you specify option 'boot=<boot-image>', that 666 * : 'boot-image' file won't be converted to zisofs file. 667 * Type : boolean 668 * Default: Disabled 669 * 670 * Generates RRIP 'ZF' System Use Entry. 671 */ 672 unsigned int zisofs:1; 673 #define OPT_ZISOFS_DISABLED 0 674 #define OPT_ZISOFS_DIRECT 1 675 #define OPT_ZISOFS_DEFAULT OPT_ZISOFS_DISABLED 676 677 }; 678 679 struct iso9660 { 680 /* The creation time of ISO image. */ 681 time_t birth_time; 682 /* A file stream of a temporary file, which file contents 683 * save to until ISO iamge can be created. */ 684 int temp_fd; 685 686 struct isofile *cur_file; 687 struct isoent *cur_dirent; 688 struct archive_string cur_dirstr; 689 uint64_t bytes_remaining; 690 int need_multi_extent; 691 692 /* Temporary string buffer for Joliet extension. */ 693 struct archive_string utf16be; 694 struct archive_string mbs; 695 696 struct archive_string_conv *sconv_to_utf16be; 697 struct archive_string_conv *sconv_from_utf16be; 698 699 /* A list of all of struct isofile entries. */ 700 struct { 701 struct isofile *first; 702 struct isofile **last; 703 } all_file_list; 704 705 /* A list of struct isofile entries which have its 706 * contents and are not a directory, a hardlined file 707 * and a symlink file. */ 708 struct { 709 struct isofile *first; 710 struct isofile **last; 711 } data_file_list; 712 713 /* Used for managing to find hardlinking files. */ 714 struct archive_rb_tree hardlink_rbtree; 715 716 /* Used for making the Path Table Record. */ 717 struct vdd { 718 /* the root of entry tree. */ 719 struct isoent *rootent; 720 enum vdd_type { 721 VDD_PRIMARY, 722 VDD_JOLIET, 723 VDD_ENHANCED 724 } vdd_type; 725 726 struct path_table { 727 struct isoent *first; 728 struct isoent **last; 729 struct isoent **sorted; 730 int cnt; 731 } *pathtbl; 732 int max_depth; 733 734 int path_table_block; 735 int path_table_size; 736 int location_type_L_path_table; 737 int location_type_M_path_table; 738 int total_dir_block; 739 } primary, joliet; 740 741 /* Used for making a Volume Descriptor. */ 742 int volume_space_size; 743 int volume_sequence_number; 744 int total_file_block; 745 struct archive_string volume_identifier; 746 struct archive_string publisher_identifier; 747 struct archive_string data_preparer_identifier; 748 struct archive_string application_identifier; 749 struct archive_string copyright_file_identifier; 750 struct archive_string abstract_file_identifier; 751 struct archive_string bibliographic_file_identifier; 752 753 /* Used for making rockridge extensions. */ 754 int location_rrip_er; 755 756 /* Used for making zisofs. */ 757 struct { 758 int detect_magic:1; 759 int making:1; 760 int allzero:1; 761 unsigned char magic_buffer[64]; 762 int magic_cnt; 763 764 #ifdef HAVE_ZLIB_H 765 /* 766 * Copy a compressed file to iso9660.zisofs.temp_fd 767 * and also copy a uncompressed file(original file) to 768 * iso9660.temp_fd . If the number of logical block 769 * of the compressed file is less than the number of 770 * logical block of the uncompressed file, use it and 771 * remove the copy of the uncompressed file. 772 * but if not, we use uncompressed file and remove 773 * the copy of the compressed file. 774 */ 775 uint32_t *block_pointers; 776 size_t block_pointers_allocated; 777 int block_pointers_cnt; 778 int block_pointers_idx; 779 int64_t total_size; 780 int64_t block_offset; 781 782 z_stream stream; 783 int stream_valid; 784 int64_t remaining; 785 int compression_level; 786 #endif 787 } zisofs; 788 789 struct isoent *directories_too_deep; 790 int dircnt_max; 791 792 /* Write buffer. */ 793 #define wb_buffmax() (LOGICAL_BLOCK_SIZE * 32) 794 #define wb_remaining(a) (((struct iso9660 *)(a)->format_data)->wbuff_remaining) 795 #define wb_offset(a) (((struct iso9660 *)(a)->format_data)->wbuff_offset \ 796 + wb_buffmax() - wb_remaining(a)) 797 unsigned char wbuff[LOGICAL_BLOCK_SIZE * 32]; 798 size_t wbuff_remaining; 799 enum { 800 WB_TO_STREAM, 801 WB_TO_TEMP 802 } wbuff_type; 803 int64_t wbuff_offset; 804 int64_t wbuff_written; 805 int64_t wbuff_tail; 806 807 /* 'El Torito' boot data. */ 808 struct { 809 /* boot catalog file */ 810 struct archive_string catalog_filename; 811 struct isoent *catalog; 812 /* boot image file */ 813 struct archive_string boot_filename; 814 struct isoent *boot; 815 816 unsigned char platform_id; 817 #define BOOT_PLATFORM_X86 0 818 #define BOOT_PLATFORM_PPC 1 819 #define BOOT_PLATFORM_MAC 2 820 struct archive_string id; 821 unsigned char media_type; 822 #define BOOT_MEDIA_NO_EMULATION 0 823 #define BOOT_MEDIA_1_2M_DISKETTE 1 824 #define BOOT_MEDIA_1_44M_DISKETTE 2 825 #define BOOT_MEDIA_2_88M_DISKETTE 3 826 #define BOOT_MEDIA_HARD_DISK 4 827 unsigned char system_type; 828 uint16_t boot_load_seg; 829 uint16_t boot_load_size; 830 #define BOOT_LOAD_SIZE 4 831 } el_torito; 832 833 struct iso_option opt; 834 }; 835 836 /* 837 * Types of Volume Descriptor 838 */ 839 enum VD_type { 840 VDT_BOOT_RECORD=0, /* Boot Record Volume Descriptor */ 841 VDT_PRIMARY=1, /* Primary Volume Descriptor */ 842 VDT_SUPPLEMENTARY=2, /* Supplementary Volume Descriptor */ 843 VDT_TERMINATOR=255 /* Volume Descriptor Set Terminator */ 844 }; 845 846 /* 847 * Types of Directory Record 848 */ 849 enum dir_rec_type { 850 DIR_REC_VD, /* Stored in Volume Descriptor. */ 851 DIR_REC_SELF, /* Stored as Current Directory. */ 852 DIR_REC_PARENT, /* Stored as Parent Directory. */ 853 DIR_REC_NORMAL, /* Stored as Child. */ 854 }; 855 856 /* 857 * Kinds of Volume Descriptor Character 858 */ 859 enum vdc { 860 VDC_STD, 861 VDC_LOWERCASE, 862 VDC_UCS2, 863 VDC_UCS2_DIRECT, 864 }; 865 866 /* 867 * IDentifier Resolver. 868 * Used for resolving duplicated filenames. 869 */ 870 struct idr { 871 struct idrent { 872 struct archive_rb_node rbnode; 873 /* Used in wait_list. */ 874 struct idrent *wnext; 875 struct idrent *avail; 876 877 struct isoent *isoent; 878 int weight; 879 int noff; 880 int rename_num; 881 } *idrent_pool; 882 883 struct archive_rb_tree rbtree; 884 885 struct { 886 struct idrent *first; 887 struct idrent **last; 888 } wait_list; 889 890 int pool_size; 891 int pool_idx; 892 int num_size; 893 int null_size; 894 895 char char_map[0x80]; 896 }; 897 898 enum char_type { 899 A_CHAR, 900 D_CHAR, 901 }; 902 903 904 static int iso9660_options(struct archive_write *, 905 const char *, const char *); 906 static int iso9660_write_header(struct archive_write *, 907 struct archive_entry *); 908 static ssize_t iso9660_write_data(struct archive_write *, 909 const void *, size_t); 910 static int iso9660_finish_entry(struct archive_write *); 911 static int iso9660_close(struct archive_write *); 912 static int iso9660_free(struct archive_write *); 913 914 static void get_system_identitier(char *, size_t); 915 static void set_str(unsigned char *, const char *, size_t, char, 916 const char *); 917 static inline int joliet_allowed_char(unsigned char, unsigned char); 918 static int set_str_utf16be(struct archive_write *, unsigned char *, 919 const char *, size_t, uint16_t, enum vdc); 920 static int set_str_a_characters_bp(struct archive_write *, 921 unsigned char *, int, int, const char *, enum vdc); 922 static int set_str_d_characters_bp(struct archive_write *, 923 unsigned char *, int, int, const char *, enum vdc); 924 static void set_VD_bp(unsigned char *, enum VD_type, unsigned char); 925 static inline void set_unused_field_bp(unsigned char *, int, int); 926 927 static unsigned char *extra_open_record(unsigned char *, int, 928 struct isoent *, struct ctl_extr_rec *); 929 static void extra_close_record(struct ctl_extr_rec *, int); 930 static unsigned char * extra_next_record(struct ctl_extr_rec *, int); 931 static unsigned char *extra_get_record(struct isoent *, int *, int *, int *); 932 static void extra_tell_used_size(struct ctl_extr_rec *, int); 933 static int extra_setup_location(struct isoent *, int); 934 static int set_directory_record_rr(unsigned char *, int, 935 struct isoent *, struct iso9660 *, enum dir_rec_type); 936 static int set_directory_record(unsigned char *, size_t, 937 struct isoent *, struct iso9660 *, enum dir_rec_type, 938 enum vdd_type); 939 static inline int get_dir_rec_size(struct iso9660 *, struct isoent *, 940 enum dir_rec_type, enum vdd_type); 941 static inline unsigned char *wb_buffptr(struct archive_write *); 942 static int wb_write_out(struct archive_write *); 943 static int wb_consume(struct archive_write *, size_t); 944 #ifdef HAVE_ZLIB_H 945 static int wb_set_offset(struct archive_write *, int64_t); 946 #endif 947 static int write_null(struct archive_write *, size_t); 948 static int write_VD_terminator(struct archive_write *); 949 static int set_file_identifier(unsigned char *, int, int, enum vdc, 950 struct archive_write *, struct vdd *, 951 struct archive_string *, const char *, int, 952 enum char_type); 953 static int write_VD(struct archive_write *, struct vdd *); 954 static int write_VD_boot_record(struct archive_write *); 955 static int write_information_block(struct archive_write *); 956 static int write_path_table(struct archive_write *, int, 957 struct vdd *); 958 static int write_directory_descriptors(struct archive_write *, 959 struct vdd *); 960 static int write_file_descriptors(struct archive_write *); 961 static int write_rr_ER(struct archive_write *); 962 static void calculate_path_table_size(struct vdd *); 963 964 static void isofile_init_entry_list(struct iso9660 *); 965 static void isofile_add_entry(struct iso9660 *, struct isofile *); 966 static void isofile_free_all_entries(struct iso9660 *); 967 static void isofile_init_entry_data_file_list(struct iso9660 *); 968 static void isofile_add_data_file(struct iso9660 *, struct isofile *); 969 static struct isofile * isofile_new(struct archive_write *, 970 struct archive_entry *); 971 static void isofile_free(struct isofile *); 972 static int isofile_gen_utility_names(struct archive_write *, 973 struct isofile *); 974 static int isofile_register_hardlink(struct archive_write *, 975 struct isofile *); 976 static void isofile_connect_hardlink_files(struct iso9660 *); 977 static void isofile_init_hardlinks(struct iso9660 *); 978 static void isofile_free_hardlinks(struct iso9660 *); 979 980 static struct isoent *isoent_new(struct isofile *); 981 static int isoent_clone_tree(struct archive_write *, 982 struct isoent **, struct isoent *); 983 static void _isoent_free(struct isoent *isoent); 984 static void isoent_free_all(struct isoent *); 985 static struct isoent * isoent_create_virtual_dir(struct archive_write *, 986 struct iso9660 *, const char *); 987 static int isoent_cmp_node(const struct archive_rb_node *, 988 const struct archive_rb_node *); 989 static int isoent_cmp_key(const struct archive_rb_node *, 990 const void *); 991 static int isoent_add_child_head(struct isoent *, struct isoent *); 992 static int isoent_add_child_tail(struct isoent *, struct isoent *); 993 static void isoent_remove_child(struct isoent *, struct isoent *); 994 static void isoent_setup_directory_location(struct iso9660 *, 995 int, struct vdd *); 996 static void isoent_setup_file_location(struct iso9660 *, int); 997 static int get_path_component(char *, size_t, const char *); 998 static int isoent_tree(struct archive_write *, struct isoent **); 999 static struct isoent *isoent_find_child(struct isoent *, const char *); 1000 static struct isoent *isoent_find_entry(struct isoent *, const char *); 1001 static void idr_relaxed_filenames(char *); 1002 static void idr_init(struct iso9660 *, struct vdd *, struct idr *); 1003 static void idr_cleanup(struct idr *); 1004 static int idr_ensure_poolsize(struct archive_write *, struct idr *, 1005 int); 1006 static int idr_start(struct archive_write *, struct idr *, 1007 int, int, int, int, const struct archive_rb_tree_ops *); 1008 static void idr_register(struct idr *, struct isoent *, int, 1009 int); 1010 static void idr_extend_identifier(struct idrent *, int, int); 1011 static void idr_resolve(struct idr *, void (*)(unsigned char *, int)); 1012 static void idr_set_num(unsigned char *, int); 1013 static void idr_set_num_beutf16(unsigned char *, int); 1014 static int isoent_gen_iso9660_identifier(struct archive_write *, 1015 struct isoent *, struct idr *); 1016 static int isoent_gen_joliet_identifier(struct archive_write *, 1017 struct isoent *, struct idr *); 1018 static int isoent_cmp_iso9660_identifier(const struct isoent *, 1019 const struct isoent *); 1020 static int isoent_cmp_node_iso9660(const struct archive_rb_node *, 1021 const struct archive_rb_node *); 1022 static int isoent_cmp_key_iso9660(const struct archive_rb_node *, 1023 const void *); 1024 static int isoent_cmp_joliet_identifier(const struct isoent *, 1025 const struct isoent *); 1026 static int isoent_cmp_node_joliet(const struct archive_rb_node *, 1027 const struct archive_rb_node *); 1028 static int isoent_cmp_key_joliet(const struct archive_rb_node *, 1029 const void *); 1030 static inline void path_table_add_entry(struct path_table *, struct isoent *); 1031 static inline struct isoent * path_table_last_entry(struct path_table *); 1032 static int isoent_make_path_table(struct archive_write *); 1033 static int isoent_find_out_boot_file(struct archive_write *, 1034 struct isoent *); 1035 static int isoent_create_boot_catalog(struct archive_write *, 1036 struct isoent *); 1037 static size_t fd_boot_image_size(int); 1038 static int make_boot_catalog(struct archive_write *); 1039 static int setup_boot_information(struct archive_write *); 1040 1041 static int zisofs_init(struct archive_write *, struct isofile *); 1042 static void zisofs_detect_magic(struct archive_write *, 1043 const void *, size_t); 1044 static int zisofs_write_to_temp(struct archive_write *, 1045 const void *, size_t); 1046 static int zisofs_finish_entry(struct archive_write *); 1047 static int zisofs_rewind_boot_file(struct archive_write *); 1048 static int zisofs_free(struct archive_write *); 1049 1050 int 1051 archive_write_set_format_iso9660(struct archive *_a) 1052 { 1053 struct archive_write *a = (struct archive_write *)_a; 1054 struct iso9660 *iso9660; 1055 1056 archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, 1057 ARCHIVE_STATE_NEW, "archive_write_set_format_iso9660"); 1058 1059 /* If another format was already registered, unregister it. */ 1060 if (a->format_free != NULL) 1061 (a->format_free)(a); 1062 1063 iso9660 = calloc(1, sizeof(*iso9660)); 1064 if (iso9660 == NULL) { 1065 archive_set_error(&a->archive, ENOMEM, 1066 "Can't allocate iso9660 data"); 1067 return (ARCHIVE_FATAL); 1068 } 1069 iso9660->birth_time = 0; 1070 iso9660->temp_fd = -1; 1071 iso9660->cur_file = NULL; 1072 iso9660->primary.max_depth = 0; 1073 iso9660->primary.vdd_type = VDD_PRIMARY; 1074 iso9660->primary.pathtbl = NULL; 1075 iso9660->joliet.rootent = NULL; 1076 iso9660->joliet.max_depth = 0; 1077 iso9660->joliet.vdd_type = VDD_JOLIET; 1078 iso9660->joliet.pathtbl = NULL; 1079 isofile_init_entry_list(iso9660); 1080 isofile_init_entry_data_file_list(iso9660); 1081 isofile_init_hardlinks(iso9660); 1082 iso9660->directories_too_deep = NULL; 1083 iso9660->dircnt_max = 1; 1084 iso9660->wbuff_remaining = wb_buffmax(); 1085 iso9660->wbuff_type = WB_TO_TEMP; 1086 iso9660->wbuff_offset = 0; 1087 iso9660->wbuff_written = 0; 1088 iso9660->wbuff_tail = 0; 1089 archive_string_init(&(iso9660->utf16be)); 1090 archive_string_init(&(iso9660->mbs)); 1091 1092 /* 1093 * Init Identifiers used for PVD and SVD. 1094 */ 1095 archive_string_init(&(iso9660->volume_identifier)); 1096 archive_strcpy(&(iso9660->volume_identifier), "CDROM"); 1097 archive_string_init(&(iso9660->publisher_identifier)); 1098 archive_string_init(&(iso9660->data_preparer_identifier)); 1099 archive_string_init(&(iso9660->application_identifier)); 1100 archive_strcpy(&(iso9660->application_identifier), 1101 archive_version_string()); 1102 archive_string_init(&(iso9660->copyright_file_identifier)); 1103 archive_string_init(&(iso9660->abstract_file_identifier)); 1104 archive_string_init(&(iso9660->bibliographic_file_identifier)); 1105 1106 /* 1107 * Init El Torito bootable CD variables. 1108 */ 1109 archive_string_init(&(iso9660->el_torito.catalog_filename)); 1110 iso9660->el_torito.catalog = NULL; 1111 /* Set default file name of boot catalog */ 1112 archive_strcpy(&(iso9660->el_torito.catalog_filename), 1113 "boot.catalog"); 1114 archive_string_init(&(iso9660->el_torito.boot_filename)); 1115 iso9660->el_torito.boot = NULL; 1116 iso9660->el_torito.platform_id = BOOT_PLATFORM_X86; 1117 archive_string_init(&(iso9660->el_torito.id)); 1118 iso9660->el_torito.boot_load_seg = 0; 1119 iso9660->el_torito.boot_load_size = BOOT_LOAD_SIZE; 1120 1121 /* 1122 * Init zisofs variables. 1123 */ 1124 #ifdef HAVE_ZLIB_H 1125 iso9660->zisofs.block_pointers = NULL; 1126 iso9660->zisofs.block_pointers_allocated = 0; 1127 iso9660->zisofs.stream_valid = 0; 1128 iso9660->zisofs.compression_level = 9; 1129 memset(&(iso9660->zisofs.stream), 0, 1130 sizeof(iso9660->zisofs.stream)); 1131 #endif 1132 1133 /* 1134 * Set default value of iso9660 options. 1135 */ 1136 iso9660->opt.abstract_file = OPT_ABSTRACT_FILE_DEFAULT; 1137 iso9660->opt.application_id = OPT_APPLICATION_ID_DEFAULT; 1138 iso9660->opt.allow_vernum = OPT_ALLOW_VERNUM_DEFAULT; 1139 iso9660->opt.biblio_file = OPT_BIBLIO_FILE_DEFAULT; 1140 iso9660->opt.boot = OPT_BOOT_DEFAULT; 1141 iso9660->opt.boot_catalog = OPT_BOOT_CATALOG_DEFAULT; 1142 iso9660->opt.boot_info_table = OPT_BOOT_INFO_TABLE_DEFAULT; 1143 iso9660->opt.boot_load_seg = OPT_BOOT_LOAD_SEG_DEFAULT; 1144 iso9660->opt.boot_load_size = OPT_BOOT_LOAD_SIZE_DEFAULT; 1145 iso9660->opt.boot_type = OPT_BOOT_TYPE_DEFAULT; 1146 iso9660->opt.compression_level = OPT_COMPRESSION_LEVEL_DEFAULT; 1147 iso9660->opt.copyright_file = OPT_COPYRIGHT_FILE_DEFAULT; 1148 iso9660->opt.iso_level = OPT_ISO_LEVEL_DEFAULT; 1149 iso9660->opt.joliet = OPT_JOLIET_DEFAULT; 1150 iso9660->opt.limit_depth = OPT_LIMIT_DEPTH_DEFAULT; 1151 iso9660->opt.limit_dirs = OPT_LIMIT_DIRS_DEFAULT; 1152 iso9660->opt.pad = OPT_PAD_DEFAULT; 1153 iso9660->opt.publisher = OPT_PUBLISHER_DEFAULT; 1154 iso9660->opt.rr = OPT_RR_DEFAULT; 1155 iso9660->opt.volume_id = OPT_VOLUME_ID_DEFAULT; 1156 iso9660->opt.zisofs = OPT_ZISOFS_DEFAULT; 1157 1158 /* Create the root directory. */ 1159 iso9660->primary.rootent = 1160 isoent_create_virtual_dir(a, iso9660, ""); 1161 if (iso9660->primary.rootent == NULL) { 1162 free(iso9660); 1163 archive_set_error(&a->archive, ENOMEM, 1164 "Can't allocate memory"); 1165 return (ARCHIVE_FATAL); 1166 } 1167 iso9660->primary.rootent->parent = iso9660->primary.rootent; 1168 iso9660->cur_dirent = iso9660->primary.rootent; 1169 archive_string_init(&(iso9660->cur_dirstr)); 1170 archive_string_ensure(&(iso9660->cur_dirstr), 1); 1171 iso9660->cur_dirstr.s[0] = 0; 1172 iso9660->sconv_to_utf16be = NULL; 1173 iso9660->sconv_from_utf16be = NULL; 1174 1175 a->format_data = iso9660; 1176 a->format_name = "iso9660"; 1177 a->format_options = iso9660_options; 1178 a->format_write_header = iso9660_write_header; 1179 a->format_write_data = iso9660_write_data; 1180 a->format_finish_entry = iso9660_finish_entry; 1181 a->format_close = iso9660_close; 1182 a->format_free = iso9660_free; 1183 a->archive.archive_format = ARCHIVE_FORMAT_ISO9660; 1184 a->archive.archive_format_name = "ISO9660"; 1185 1186 return (ARCHIVE_OK); 1187 } 1188 1189 static int 1190 get_str_opt(struct archive_write *a, struct archive_string *s, 1191 size_t maxsize, const char *key, const char *value) 1192 { 1193 1194 if (strlen(value) > maxsize) { 1195 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1196 "Value is longer than %zu characters " 1197 "for option ``%s''", maxsize, key); 1198 return (ARCHIVE_FATAL); 1199 } 1200 archive_strcpy(s, value); 1201 return (ARCHIVE_OK); 1202 } 1203 1204 static int 1205 get_num_opt(struct archive_write *a, int *num, int high, int low, 1206 const char *key, const char *value) 1207 { 1208 const char *p = value; 1209 int data = 0; 1210 int neg = 0; 1211 1212 if (p == NULL) { 1213 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1214 "Invalid value(empty) for option ``%s''", key); 1215 return (ARCHIVE_FATAL); 1216 } 1217 if (*p == '-') { 1218 neg = 1; 1219 p++; 1220 } 1221 while (*p) { 1222 if (*p >= '0' && *p <= '9') 1223 data = data * 10 + *p - '0'; 1224 else { 1225 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1226 "Invalid value for option ``%s''", key); 1227 return (ARCHIVE_FATAL); 1228 } 1229 if (data > high) { 1230 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1231 "Invalid value(over %d) for " 1232 "option ``%s''", high, key); 1233 return (ARCHIVE_FATAL); 1234 } 1235 if (data < low) { 1236 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1237 "Invalid value(under %d) for " 1238 "option ``%s''", low, key); 1239 return (ARCHIVE_FATAL); 1240 } 1241 p++; 1242 } 1243 if (neg) 1244 data *= -1; 1245 *num = data; 1246 1247 return (ARCHIVE_OK); 1248 } 1249 1250 static int 1251 iso9660_options(struct archive_write *a, const char *key, const char *value) 1252 { 1253 struct iso9660 *iso9660 = a->format_data; 1254 const char *p; 1255 int r; 1256 1257 switch (key[0]) { 1258 case 'a': 1259 if (strcmp(key, "abstract-file") == 0) { 1260 r = get_str_opt(a, 1261 &(iso9660->abstract_file_identifier), 1262 ABSTRACT_FILE_SIZE, key, value); 1263 iso9660->opt.abstract_file = r == ARCHIVE_OK; 1264 return (r); 1265 } 1266 if (strcmp(key, "application-id") == 0) { 1267 r = get_str_opt(a, 1268 &(iso9660->application_identifier), 1269 APPLICATION_IDENTIFIER_SIZE, key, value); 1270 iso9660->opt.application_id = r == ARCHIVE_OK; 1271 return (r); 1272 } 1273 if (strcmp(key, "allow-vernum") == 0) { 1274 iso9660->opt.allow_vernum = value != NULL; 1275 return (ARCHIVE_OK); 1276 } 1277 break; 1278 case 'b': 1279 if (strcmp(key, "biblio-file") == 0) { 1280 r = get_str_opt(a, 1281 &(iso9660->bibliographic_file_identifier), 1282 BIBLIO_FILE_SIZE, key, value); 1283 iso9660->opt.biblio_file = r == ARCHIVE_OK; 1284 return (r); 1285 } 1286 if (strcmp(key, "boot") == 0) { 1287 if (value == NULL) 1288 iso9660->opt.boot = 0; 1289 else { 1290 iso9660->opt.boot = 1; 1291 archive_strcpy( 1292 &(iso9660->el_torito.boot_filename), 1293 value); 1294 } 1295 return (ARCHIVE_OK); 1296 } 1297 if (strcmp(key, "boot-catalog") == 0) { 1298 r = get_str_opt(a, 1299 &(iso9660->el_torito.catalog_filename), 1300 1024, key, value); 1301 iso9660->opt.boot_catalog = r == ARCHIVE_OK; 1302 return (r); 1303 } 1304 if (strcmp(key, "boot-info-table") == 0) { 1305 iso9660->opt.boot_info_table = value != NULL; 1306 return (ARCHIVE_OK); 1307 } 1308 if (strcmp(key, "boot-load-seg") == 0) { 1309 uint32_t seg; 1310 1311 iso9660->opt.boot_load_seg = 0; 1312 if (value == NULL) 1313 goto invalid_value; 1314 seg = 0; 1315 p = value; 1316 if (p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) 1317 p += 2; 1318 while (*p) { 1319 if (seg) 1320 seg <<= 4; 1321 if (*p >= 'A' && *p <= 'F') 1322 seg += *p - 'A' + 0x0a; 1323 else if (*p >= 'a' && *p <= 'f') 1324 seg += *p - 'a' + 0x0a; 1325 else if (*p >= '0' && *p <= '9') 1326 seg += *p - '0'; 1327 else 1328 goto invalid_value; 1329 if (seg > 0xffff) { 1330 archive_set_error(&a->archive, 1331 ARCHIVE_ERRNO_MISC, 1332 "Invalid value(over 0xffff) for " 1333 "option ``%s''", key); 1334 return (ARCHIVE_FATAL); 1335 } 1336 p++; 1337 } 1338 iso9660->el_torito.boot_load_seg = (uint16_t)seg; 1339 iso9660->opt.boot_load_seg = 1; 1340 return (ARCHIVE_OK); 1341 } 1342 if (strcmp(key, "boot-load-size") == 0) { 1343 int num = 0; 1344 r = get_num_opt(a, &num, 0xffff, 1, key, value); 1345 iso9660->opt.boot_load_size = r == ARCHIVE_OK; 1346 if (r != ARCHIVE_OK) 1347 return (ARCHIVE_FATAL); 1348 iso9660->el_torito.boot_load_size = (uint16_t)num; 1349 return (ARCHIVE_OK); 1350 } 1351 if (strcmp(key, "boot-type") == 0) { 1352 if (value == NULL) 1353 goto invalid_value; 1354 if (strcmp(value, "no-emulation") == 0) 1355 iso9660->opt.boot_type = OPT_BOOT_TYPE_NO_EMU; 1356 else if (strcmp(value, "fd") == 0) 1357 iso9660->opt.boot_type = OPT_BOOT_TYPE_FD; 1358 else if (strcmp(value, "hard-disk") == 0) 1359 iso9660->opt.boot_type = OPT_BOOT_TYPE_HARD_DISK; 1360 else 1361 goto invalid_value; 1362 return (ARCHIVE_OK); 1363 } 1364 break; 1365 case 'c': 1366 if (strcmp(key, "compression-level") == 0) { 1367 #ifdef HAVE_ZLIB_H 1368 if (value == NULL || 1369 !(value[0] >= '0' && value[0] <= '9') || 1370 value[1] != '\0') 1371 goto invalid_value; 1372 iso9660->zisofs.compression_level = value[0] - '0'; 1373 iso9660->opt.compression_level = 1; 1374 return (ARCHIVE_OK); 1375 #else 1376 archive_set_error(&a->archive, 1377 ARCHIVE_ERRNO_MISC, 1378 "Option ``%s'' " 1379 "is not supported on this platform.", key); 1380 return (ARCHIVE_FATAL); 1381 #endif 1382 } 1383 if (strcmp(key, "copyright-file") == 0) { 1384 r = get_str_opt(a, 1385 &(iso9660->copyright_file_identifier), 1386 COPYRIGHT_FILE_SIZE, key, value); 1387 iso9660->opt.copyright_file = r == ARCHIVE_OK; 1388 return (r); 1389 } 1390 #ifdef DEBUG 1391 /* Specifies Volume creation date and time; 1392 * year(4),month(2),day(2),hour(2),minute(2),second(2). 1393 * e.g. "20090929033757" 1394 */ 1395 if (strcmp(key, "creation") == 0) { 1396 struct tm tm; 1397 char buf[5]; 1398 1399 p = value; 1400 if (p == NULL || strlen(p) < 14) 1401 goto invalid_value; 1402 memset(&tm, 0, sizeof(tm)); 1403 memcpy(buf, p, 4); buf[4] = '\0'; p += 4; 1404 tm.tm_year = strtol(buf, NULL, 10) - 1900; 1405 memcpy(buf, p, 2); buf[2] = '\0'; p += 2; 1406 tm.tm_mon = strtol(buf, NULL, 10) - 1; 1407 memcpy(buf, p, 2); buf[2] = '\0'; p += 2; 1408 tm.tm_mday = strtol(buf, NULL, 10); 1409 memcpy(buf, p, 2); buf[2] = '\0'; p += 2; 1410 tm.tm_hour = strtol(buf, NULL, 10); 1411 memcpy(buf, p, 2); buf[2] = '\0'; p += 2; 1412 tm.tm_min = strtol(buf, NULL, 10); 1413 memcpy(buf, p, 2); buf[2] = '\0'; 1414 tm.tm_sec = strtol(buf, NULL, 10); 1415 iso9660->birth_time = mktime(&tm); 1416 return (ARCHIVE_OK); 1417 } 1418 #endif 1419 break; 1420 case 'i': 1421 if (strcmp(key, "iso-level") == 0) { 1422 if (value != NULL && value[1] == '\0' && 1423 (value[0] >= '1' && value[0] <= '4')) { 1424 iso9660->opt.iso_level = value[0]-'0'; 1425 return (ARCHIVE_OK); 1426 } 1427 goto invalid_value; 1428 } 1429 break; 1430 case 'j': 1431 if (strcmp(key, "joliet") == 0) { 1432 if (value == NULL) 1433 iso9660->opt.joliet = OPT_JOLIET_DISABLE; 1434 else if (strcmp(value, "1") == 0) 1435 iso9660->opt.joliet = OPT_JOLIET_ENABLE; 1436 else if (strcmp(value, "long") == 0) 1437 iso9660->opt.joliet = OPT_JOLIET_LONGNAME; 1438 else 1439 goto invalid_value; 1440 return (ARCHIVE_OK); 1441 } 1442 break; 1443 case 'l': 1444 if (strcmp(key, "limit-depth") == 0) { 1445 iso9660->opt.limit_depth = value != NULL; 1446 return (ARCHIVE_OK); 1447 } 1448 if (strcmp(key, "limit-dirs") == 0) { 1449 iso9660->opt.limit_dirs = value != NULL; 1450 return (ARCHIVE_OK); 1451 } 1452 break; 1453 case 'p': 1454 if (strcmp(key, "pad") == 0) { 1455 iso9660->opt.pad = value != NULL; 1456 return (ARCHIVE_OK); 1457 } 1458 if (strcmp(key, "publisher") == 0) { 1459 r = get_str_opt(a, 1460 &(iso9660->publisher_identifier), 1461 PUBLISHER_IDENTIFIER_SIZE, key, value); 1462 iso9660->opt.publisher = r == ARCHIVE_OK; 1463 return (r); 1464 } 1465 break; 1466 case 'r': 1467 if (strcmp(key, "rockridge") == 0 || 1468 strcmp(key, "Rockridge") == 0) { 1469 if (value == NULL) 1470 iso9660->opt.rr = OPT_RR_DISABLED; 1471 else if (strcmp(value, "1") == 0) 1472 iso9660->opt.rr = OPT_RR_USEFUL; 1473 else if (strcmp(value, "strict") == 0) 1474 iso9660->opt.rr = OPT_RR_STRICT; 1475 else if (strcmp(value, "useful") == 0) 1476 iso9660->opt.rr = OPT_RR_USEFUL; 1477 else 1478 goto invalid_value; 1479 return (ARCHIVE_OK); 1480 } 1481 break; 1482 case 'v': 1483 if (strcmp(key, "volume-id") == 0) { 1484 r = get_str_opt(a, &(iso9660->volume_identifier), 1485 VOLUME_IDENTIFIER_SIZE, key, value); 1486 iso9660->opt.volume_id = r == ARCHIVE_OK; 1487 return (r); 1488 } 1489 break; 1490 case 'z': 1491 if (strcmp(key, "zisofs") == 0) { 1492 if (value == NULL) 1493 iso9660->opt.zisofs = OPT_ZISOFS_DISABLED; 1494 else { 1495 #ifdef HAVE_ZLIB_H 1496 iso9660->opt.zisofs = OPT_ZISOFS_DIRECT; 1497 #else 1498 archive_set_error(&a->archive, 1499 ARCHIVE_ERRNO_MISC, 1500 "``zisofs'' " 1501 "is not supported on this platform."); 1502 return (ARCHIVE_FATAL); 1503 #endif 1504 } 1505 return (ARCHIVE_OK); 1506 } 1507 break; 1508 } 1509 1510 /* Note: The "warn" return is just to inform the options 1511 * supervisor that we didn't handle it. It will generate 1512 * a suitable error if no one used this option. */ 1513 return (ARCHIVE_WARN); 1514 1515 invalid_value: 1516 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1517 "Invalid value for option ``%s''", key); 1518 return (ARCHIVE_FAILED); 1519 } 1520 1521 static int 1522 iso9660_write_header(struct archive_write *a, struct archive_entry *entry) 1523 { 1524 struct iso9660 *iso9660; 1525 struct isofile *file; 1526 struct isoent *isoent; 1527 int r, ret = ARCHIVE_OK; 1528 1529 iso9660 = a->format_data; 1530 1531 iso9660->cur_file = NULL; 1532 iso9660->bytes_remaining = 0; 1533 iso9660->need_multi_extent = 0; 1534 if (archive_entry_filetype(entry) == AE_IFLNK 1535 && iso9660->opt.rr == OPT_RR_DISABLED) { 1536 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1537 "Ignore symlink file."); 1538 iso9660->cur_file = NULL; 1539 return (ARCHIVE_WARN); 1540 } 1541 if (archive_entry_filetype(entry) == AE_IFREG && 1542 archive_entry_size(entry) >= MULTI_EXTENT_SIZE) { 1543 if (iso9660->opt.iso_level < 3) { 1544 archive_set_error(&a->archive, 1545 ARCHIVE_ERRNO_MISC, 1546 "Ignore over %lld bytes file. " 1547 "This file too large.", 1548 MULTI_EXTENT_SIZE); 1549 iso9660->cur_file = NULL; 1550 return (ARCHIVE_WARN); 1551 } 1552 iso9660->need_multi_extent = 1; 1553 } 1554 1555 file = isofile_new(a, entry); 1556 if (file == NULL) { 1557 archive_set_error(&a->archive, ENOMEM, 1558 "Can't allocate data"); 1559 return (ARCHIVE_FATAL); 1560 } 1561 r = isofile_gen_utility_names(a, file); 1562 if (r < ARCHIVE_WARN) { 1563 isofile_free(file); 1564 return (r); 1565 } 1566 else if (r < ret) 1567 ret = r; 1568 1569 /* 1570 * Ignore a path which looks like the top of directory name 1571 * since we have already made the root directory of an ISO image. 1572 */ 1573 if (archive_strlen(&(file->parentdir)) == 0 && 1574 archive_strlen(&(file->basename)) == 0) { 1575 isofile_free(file); 1576 return (r); 1577 } 1578 1579 isofile_add_entry(iso9660, file); 1580 isoent = isoent_new(file); 1581 if (isoent == NULL) { 1582 archive_set_error(&a->archive, ENOMEM, 1583 "Can't allocate data"); 1584 return (ARCHIVE_FATAL); 1585 } 1586 if (isoent->file->dircnt > iso9660->dircnt_max) 1587 iso9660->dircnt_max = isoent->file->dircnt; 1588 1589 /* Add the current file into tree */ 1590 r = isoent_tree(a, &isoent); 1591 if (r != ARCHIVE_OK) 1592 return (r); 1593 1594 /* If there is the same file in tree and 1595 * the current file is older than the file in tree. 1596 * So we don't need the current file data anymore. */ 1597 if (isoent->file != file) 1598 return (ARCHIVE_OK); 1599 1600 /* Non regular files contents are unneeded to be saved to 1601 * temporary files. */ 1602 if (archive_entry_filetype(file->entry) != AE_IFREG) 1603 return (ret); 1604 1605 /* 1606 * Set the current file to cur_file to read its contents. 1607 */ 1608 iso9660->cur_file = file; 1609 1610 if (archive_entry_nlink(file->entry) > 1) { 1611 r = isofile_register_hardlink(a, file); 1612 if (r != ARCHIVE_OK) 1613 return (ARCHIVE_FATAL); 1614 } 1615 1616 /* 1617 * Prepare to save the contents of the file. 1618 */ 1619 if (iso9660->temp_fd < 0) { 1620 iso9660->temp_fd = __archive_mktemp(NULL); 1621 if (iso9660->temp_fd < 0) { 1622 archive_set_error(&a->archive, errno, 1623 "Couldn't create temporary file"); 1624 return (ARCHIVE_FATAL); 1625 } 1626 } 1627 1628 /* Save an offset of current file in temporary file. */ 1629 file->content.offset_of_temp = wb_offset(a); 1630 file->cur_content = &(file->content); 1631 r = zisofs_init(a, file); 1632 if (r < ret) 1633 ret = r; 1634 iso9660->bytes_remaining = archive_entry_size(file->entry); 1635 1636 return (ret); 1637 } 1638 1639 static int 1640 write_to_temp(struct archive_write *a, const void *buff, size_t s) 1641 { 1642 struct iso9660 *iso9660 = a->format_data; 1643 ssize_t written; 1644 const unsigned char *b; 1645 1646 b = (const unsigned char *)buff; 1647 while (s) { 1648 written = write(iso9660->temp_fd, b, s); 1649 if (written < 0) { 1650 archive_set_error(&a->archive, errno, 1651 "Can't write to temporary file"); 1652 return (ARCHIVE_FATAL); 1653 } 1654 s -= written; 1655 b += written; 1656 } 1657 return (ARCHIVE_OK); 1658 } 1659 1660 static int 1661 wb_write_to_temp(struct archive_write *a, const void *buff, size_t s) 1662 { 1663 const char *xp = buff; 1664 size_t xs = s; 1665 1666 /* 1667 * If a written data size is big enough to use system-call 1668 * and there is no waiting data, this calls write_to_temp() in 1669 * order to reduce a extra memory copy. 1670 */ 1671 if (wb_remaining(a) == wb_buffmax() && s > (1024 * 16)) { 1672 struct iso9660 *iso9660 = (struct iso9660 *)a->format_data; 1673 xs = s % LOGICAL_BLOCK_SIZE; 1674 iso9660->wbuff_offset += s - xs; 1675 if (write_to_temp(a, buff, s - xs) != ARCHIVE_OK) 1676 return (ARCHIVE_FATAL); 1677 if (xs == 0) 1678 return (ARCHIVE_OK); 1679 xp += s - xs; 1680 } 1681 1682 while (xs) { 1683 size_t size = xs; 1684 if (size > wb_remaining(a)) 1685 size = wb_remaining(a); 1686 memcpy(wb_buffptr(a), xp, size); 1687 if (wb_consume(a, size) != ARCHIVE_OK) 1688 return (ARCHIVE_FATAL); 1689 xs -= size; 1690 xp += size; 1691 } 1692 return (ARCHIVE_OK); 1693 } 1694 1695 static int 1696 wb_write_padding_to_temp(struct archive_write *a, int64_t csize) 1697 { 1698 size_t ns; 1699 int ret; 1700 1701 ns = (size_t)(csize % LOGICAL_BLOCK_SIZE); 1702 if (ns != 0) 1703 ret = write_null(a, LOGICAL_BLOCK_SIZE - ns); 1704 else 1705 ret = ARCHIVE_OK; 1706 return (ret); 1707 } 1708 1709 static ssize_t 1710 write_iso9660_data(struct archive_write *a, const void *buff, size_t s) 1711 { 1712 struct iso9660 *iso9660 = a->format_data; 1713 size_t ws; 1714 1715 if (iso9660->temp_fd < 0) { 1716 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1717 "Couldn't create temporary file"); 1718 return (ARCHIVE_FATAL); 1719 } 1720 1721 ws = s; 1722 if (iso9660->need_multi_extent && 1723 (iso9660->cur_file->cur_content->size + ws) >= 1724 (MULTI_EXTENT_SIZE - LOGICAL_BLOCK_SIZE)) { 1725 struct content *con; 1726 size_t ts; 1727 1728 ts = (size_t)(MULTI_EXTENT_SIZE - LOGICAL_BLOCK_SIZE - 1729 iso9660->cur_file->cur_content->size); 1730 1731 if (iso9660->zisofs.detect_magic) 1732 zisofs_detect_magic(a, buff, ts); 1733 1734 if (iso9660->zisofs.making) { 1735 if (zisofs_write_to_temp(a, buff, ts) != ARCHIVE_OK) 1736 return (ARCHIVE_FATAL); 1737 } else { 1738 if (wb_write_to_temp(a, buff, ts) != ARCHIVE_OK) 1739 return (ARCHIVE_FATAL); 1740 iso9660->cur_file->cur_content->size += ts; 1741 } 1742 1743 /* Write padding. */ 1744 if (wb_write_padding_to_temp(a, 1745 iso9660->cur_file->cur_content->size) != ARCHIVE_OK) 1746 return (ARCHIVE_FATAL); 1747 1748 /* Compute the logical block number. */ 1749 iso9660->cur_file->cur_content->blocks = (int) 1750 ((iso9660->cur_file->cur_content->size 1751 + LOGICAL_BLOCK_SIZE -1) >> LOGICAL_BLOCK_BITS); 1752 1753 /* 1754 * Make next extent. 1755 */ 1756 ws -= ts; 1757 buff = (const void *)(((const unsigned char *)buff) + ts); 1758 /* Make a content for next extent. */ 1759 con = calloc(1, sizeof(*con)); 1760 if (con == NULL) { 1761 archive_set_error(&a->archive, ENOMEM, 1762 "Can't allocate content data"); 1763 return (ARCHIVE_FATAL); 1764 } 1765 con->offset_of_temp = wb_offset(a); 1766 iso9660->cur_file->cur_content->next = con; 1767 iso9660->cur_file->cur_content = con; 1768 #ifdef HAVE_ZLIB_H 1769 iso9660->zisofs.block_offset = 0; 1770 #endif 1771 } 1772 1773 if (iso9660->zisofs.detect_magic) 1774 zisofs_detect_magic(a, buff, ws); 1775 1776 if (iso9660->zisofs.making) { 1777 if (zisofs_write_to_temp(a, buff, ws) != ARCHIVE_OK) 1778 return (ARCHIVE_FATAL); 1779 } else { 1780 if (wb_write_to_temp(a, buff, ws) != ARCHIVE_OK) 1781 return (ARCHIVE_FATAL); 1782 iso9660->cur_file->cur_content->size += ws; 1783 } 1784 1785 return (s); 1786 } 1787 1788 static ssize_t 1789 iso9660_write_data(struct archive_write *a, const void *buff, size_t s) 1790 { 1791 struct iso9660 *iso9660 = a->format_data; 1792 ssize_t r; 1793 1794 if (iso9660->cur_file == NULL) 1795 return (0); 1796 if (archive_entry_filetype(iso9660->cur_file->entry) != AE_IFREG) 1797 return (0); 1798 if (s > iso9660->bytes_remaining) 1799 s = (size_t)iso9660->bytes_remaining; 1800 if (s == 0) 1801 return (0); 1802 1803 r = write_iso9660_data(a, buff, s); 1804 if (r > 0) 1805 iso9660->bytes_remaining -= r; 1806 return (r); 1807 } 1808 1809 static int 1810 iso9660_finish_entry(struct archive_write *a) 1811 { 1812 struct iso9660 *iso9660 = a->format_data; 1813 1814 if (iso9660->cur_file == NULL) 1815 return (ARCHIVE_OK); 1816 if (archive_entry_filetype(iso9660->cur_file->entry) != AE_IFREG) 1817 return (ARCHIVE_OK); 1818 if (iso9660->cur_file->content.size == 0) 1819 return (ARCHIVE_OK); 1820 1821 /* If there are unwritten data, write null data instead. */ 1822 while (iso9660->bytes_remaining > 0) { 1823 size_t s; 1824 1825 s = (iso9660->bytes_remaining > a->null_length)? 1826 a->null_length: (size_t)iso9660->bytes_remaining; 1827 if (write_iso9660_data(a, a->nulls, s) < 0) 1828 return (ARCHIVE_FATAL); 1829 iso9660->bytes_remaining -= s; 1830 } 1831 1832 if (iso9660->zisofs.making && zisofs_finish_entry(a) != ARCHIVE_OK) 1833 return (ARCHIVE_FATAL); 1834 1835 /* Write padding. */ 1836 if (wb_write_padding_to_temp(a, iso9660->cur_file->cur_content->size) 1837 != ARCHIVE_OK) 1838 return (ARCHIVE_FATAL); 1839 1840 /* Compute the logical block number. */ 1841 iso9660->cur_file->cur_content->blocks = (int) 1842 ((iso9660->cur_file->cur_content->size 1843 + LOGICAL_BLOCK_SIZE -1) >> LOGICAL_BLOCK_BITS); 1844 1845 /* Add the current file to data file list. */ 1846 isofile_add_data_file(iso9660, iso9660->cur_file); 1847 1848 return (ARCHIVE_OK); 1849 } 1850 1851 static int 1852 iso9660_close(struct archive_write *a) 1853 { 1854 struct iso9660 *iso9660; 1855 int ret, blocks; 1856 1857 iso9660 = a->format_data; 1858 1859 /* 1860 * Write remaining data out to the temporary file. 1861 */ 1862 if (wb_remaining(a) > 0) { 1863 ret = wb_write_out(a); 1864 if (ret < 0) 1865 return (ret); 1866 } 1867 1868 /* 1869 * Preparations... 1870 */ 1871 #ifdef DEBUG 1872 if (iso9660->birth_time == 0) 1873 #endif 1874 time(&(iso9660->birth_time)); 1875 1876 /* 1877 * Prepare a bootable ISO image. 1878 */ 1879 if (iso9660->opt.boot) { 1880 /* Find out the boot file entry. */ 1881 ret = isoent_find_out_boot_file(a, iso9660->primary.rootent); 1882 if (ret < 0) 1883 return (ret); 1884 /* Reconvert the boot file from zisofs'ed form to 1885 * plain form. */ 1886 ret = zisofs_rewind_boot_file(a); 1887 if (ret < 0) 1888 return (ret); 1889 /* Write remaining data out to the temporary file. */ 1890 if (wb_remaining(a) > 0) { 1891 ret = wb_write_out(a); 1892 if (ret < 0) 1893 return (ret); 1894 } 1895 /* Create the boot catalog. */ 1896 ret = isoent_create_boot_catalog(a, iso9660->primary.rootent); 1897 if (ret < 0) 1898 return (ret); 1899 } 1900 1901 /* 1902 * Prepare joliet extensions. 1903 */ 1904 if (iso9660->opt.joliet) { 1905 /* Make a new tree for joliet. */ 1906 ret = isoent_clone_tree(a, &(iso9660->joliet.rootent), 1907 iso9660->primary.rootent); 1908 if (ret < 0) 1909 return (ret); 1910 /* Make sure we have UTF-16BE convertors. 1911 * if there is no file entry, convertors are still 1912 * uninitilized. */ 1913 if (iso9660->sconv_to_utf16be == NULL) { 1914 iso9660->sconv_to_utf16be = 1915 archive_string_conversion_to_charset( 1916 &(a->archive), "UTF-16BE", 1); 1917 if (iso9660->sconv_to_utf16be == NULL) 1918 /* Couldn't allocate memory */ 1919 return (ARCHIVE_FATAL); 1920 iso9660->sconv_from_utf16be = 1921 archive_string_conversion_from_charset( 1922 &(a->archive), "UTF-16BE", 1); 1923 if (iso9660->sconv_from_utf16be == NULL) 1924 /* Couldn't allocate memory */ 1925 return (ARCHIVE_FATAL); 1926 } 1927 } 1928 1929 /* 1930 * Make Path Tables. 1931 */ 1932 ret = isoent_make_path_table(a); 1933 if (ret < 0) 1934 return (ret); 1935 1936 /* 1937 * Calculate a total volume size and setup all locations of 1938 * contents of an iso9660 image. 1939 */ 1940 blocks = SYSTEM_AREA_BLOCK 1941 + PRIMARY_VOLUME_DESCRIPTOR_BLOCK 1942 + VOLUME_DESCRIPTOR_SET_TERMINATOR_BLOCK 1943 + NON_ISO_FILE_SYSTEM_INFORMATION_BLOCK; 1944 if (iso9660->opt.boot) 1945 blocks += BOOT_RECORD_DESCRIPTOR_BLOCK; 1946 if (iso9660->opt.joliet) 1947 blocks += SUPPLEMENTARY_VOLUME_DESCRIPTOR_BLOCK; 1948 if (iso9660->opt.iso_level == 4) 1949 blocks += SUPPLEMENTARY_VOLUME_DESCRIPTOR_BLOCK; 1950 1951 /* Setup the locations of Path Table. */ 1952 iso9660->primary.location_type_L_path_table = blocks; 1953 blocks += iso9660->primary.path_table_block; 1954 iso9660->primary.location_type_M_path_table = blocks; 1955 blocks += iso9660->primary.path_table_block; 1956 if (iso9660->opt.joliet) { 1957 iso9660->joliet.location_type_L_path_table = blocks; 1958 blocks += iso9660->joliet.path_table_block; 1959 iso9660->joliet.location_type_M_path_table = blocks; 1960 blocks += iso9660->joliet.path_table_block; 1961 } 1962 1963 /* Setup the locations of directories. */ 1964 isoent_setup_directory_location(iso9660, blocks, 1965 &(iso9660->primary)); 1966 blocks += iso9660->primary.total_dir_block; 1967 if (iso9660->opt.joliet) { 1968 isoent_setup_directory_location(iso9660, blocks, 1969 &(iso9660->joliet)); 1970 blocks += iso9660->joliet.total_dir_block; 1971 } 1972 1973 if (iso9660->opt.rr) { 1974 iso9660->location_rrip_er = blocks; 1975 blocks += RRIP_ER_BLOCK; 1976 } 1977 1978 /* Setup the locations of all file contents. */ 1979 isoent_setup_file_location(iso9660, blocks); 1980 blocks += iso9660->total_file_block; 1981 if (iso9660->opt.boot && iso9660->opt.boot_info_table) { 1982 ret = setup_boot_information(a); 1983 if (ret < 0) 1984 return (ret); 1985 } 1986 1987 /* Now we have a total volume size. */ 1988 iso9660->volume_space_size = blocks; 1989 if (iso9660->opt.pad) 1990 iso9660->volume_space_size += PADDING_BLOCK; 1991 iso9660->volume_sequence_number = 1; 1992 1993 1994 /* 1995 * Write an ISO 9660 image. 1996 */ 1997 1998 /* Switc to start using wbuff as file buffer. */ 1999 iso9660->wbuff_remaining = wb_buffmax(); 2000 iso9660->wbuff_type = WB_TO_STREAM; 2001 iso9660->wbuff_offset = 0; 2002 iso9660->wbuff_written = 0; 2003 iso9660->wbuff_tail = 0; 2004 2005 /* Write The System Area */ 2006 ret = write_null(a, SYSTEM_AREA_BLOCK * LOGICAL_BLOCK_SIZE); 2007 if (ret != ARCHIVE_OK) 2008 return (ARCHIVE_FATAL); 2009 2010 /* Write Primary Volume Descriptor */ 2011 ret = write_VD(a, &(iso9660->primary)); 2012 if (ret != ARCHIVE_OK) 2013 return (ARCHIVE_FATAL); 2014 2015 if (iso9660->opt.boot) { 2016 /* Write Boot Record Volume Descriptor */ 2017 ret = write_VD_boot_record(a); 2018 if (ret != ARCHIVE_OK) 2019 return (ARCHIVE_FATAL); 2020 } 2021 2022 if (iso9660->opt.iso_level == 4) { 2023 /* Write Enhanced Volume Descriptor */ 2024 iso9660->primary.vdd_type = VDD_ENHANCED; 2025 ret = write_VD(a, &(iso9660->primary)); 2026 iso9660->primary.vdd_type = VDD_PRIMARY; 2027 if (ret != ARCHIVE_OK) 2028 return (ARCHIVE_FATAL); 2029 } 2030 2031 if (iso9660->opt.joliet) { 2032 ret = write_VD(a, &(iso9660->joliet)); 2033 if (ret != ARCHIVE_OK) 2034 return (ARCHIVE_FATAL); 2035 } 2036 2037 /* Write Volume Descriptor Set Terminator */ 2038 ret = write_VD_terminator(a); 2039 if (ret != ARCHIVE_OK) 2040 return (ARCHIVE_FATAL); 2041 2042 /* Write Non-ISO File System Information */ 2043 ret = write_information_block(a); 2044 if (ret != ARCHIVE_OK) 2045 return (ARCHIVE_FATAL); 2046 2047 /* Write Type L Path Table */ 2048 ret = write_path_table(a, 0, &(iso9660->primary)); 2049 if (ret != ARCHIVE_OK) 2050 return (ARCHIVE_FATAL); 2051 2052 /* Write Type M Path Table */ 2053 ret = write_path_table(a, 1, &(iso9660->primary)); 2054 if (ret != ARCHIVE_OK) 2055 return (ARCHIVE_FATAL); 2056 2057 if (iso9660->opt.joliet) { 2058 /* Write Type L Path Table */ 2059 ret = write_path_table(a, 0, &(iso9660->joliet)); 2060 if (ret != ARCHIVE_OK) 2061 return (ARCHIVE_FATAL); 2062 2063 /* Write Type M Path Table */ 2064 ret = write_path_table(a, 1, &(iso9660->joliet)); 2065 if (ret != ARCHIVE_OK) 2066 return (ARCHIVE_FATAL); 2067 } 2068 2069 /* Write Directory Descriptors */ 2070 ret = write_directory_descriptors(a, &(iso9660->primary)); 2071 if (ret != ARCHIVE_OK) 2072 return (ARCHIVE_FATAL); 2073 2074 if (iso9660->opt.joliet) { 2075 ret = write_directory_descriptors(a, &(iso9660->joliet)); 2076 if (ret != ARCHIVE_OK) 2077 return (ARCHIVE_FATAL); 2078 } 2079 2080 if (iso9660->opt.rr) { 2081 /* Write Rockridge ER(Extensions Reference) */ 2082 ret = write_rr_ER(a); 2083 if (ret != ARCHIVE_OK) 2084 return (ARCHIVE_FATAL); 2085 } 2086 2087 /* Write File Descriptors */ 2088 ret = write_file_descriptors(a); 2089 if (ret != ARCHIVE_OK) 2090 return (ARCHIVE_FATAL); 2091 2092 /* Write Padding */ 2093 if (iso9660->opt.pad) { 2094 ret = write_null(a, PADDING_BLOCK * LOGICAL_BLOCK_SIZE); 2095 if (ret != ARCHIVE_OK) 2096 return (ARCHIVE_FATAL); 2097 } 2098 2099 if (iso9660->directories_too_deep != NULL) { 2100 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 2101 "%s: Directories too deep.", 2102 archive_entry_pathname( 2103 iso9660->directories_too_deep->file->entry)); 2104 return (ARCHIVE_WARN); 2105 } 2106 2107 /* Write remaining data out. */ 2108 ret = wb_write_out(a); 2109 2110 return (ret); 2111 } 2112 2113 static int 2114 iso9660_free(struct archive_write *a) 2115 { 2116 struct iso9660 *iso9660; 2117 int i, ret; 2118 2119 iso9660 = a->format_data; 2120 2121 /* Close the temporary file. */ 2122 if (iso9660->temp_fd >= 0) 2123 close(iso9660->temp_fd); 2124 2125 /* Free some stuff for zisofs operations. */ 2126 ret = zisofs_free(a); 2127 2128 /* Remove directory entries in tree which includes file entries. */ 2129 isoent_free_all(iso9660->primary.rootent); 2130 for (i = 0; i < iso9660->primary.max_depth; i++) 2131 free(iso9660->primary.pathtbl[i].sorted); 2132 free(iso9660->primary.pathtbl); 2133 2134 if (iso9660->opt.joliet) { 2135 isoent_free_all(iso9660->joliet.rootent); 2136 for (i = 0; i < iso9660->joliet.max_depth; i++) 2137 free(iso9660->joliet.pathtbl[i].sorted); 2138 free(iso9660->joliet.pathtbl); 2139 } 2140 2141 /* Remove isofile entries. */ 2142 isofile_free_all_entries(iso9660); 2143 isofile_free_hardlinks(iso9660); 2144 2145 archive_string_free(&(iso9660->cur_dirstr)); 2146 archive_string_free(&(iso9660->volume_identifier)); 2147 archive_string_free(&(iso9660->publisher_identifier)); 2148 archive_string_free(&(iso9660->data_preparer_identifier)); 2149 archive_string_free(&(iso9660->application_identifier)); 2150 archive_string_free(&(iso9660->copyright_file_identifier)); 2151 archive_string_free(&(iso9660->abstract_file_identifier)); 2152 archive_string_free(&(iso9660->bibliographic_file_identifier)); 2153 archive_string_free(&(iso9660->el_torito.catalog_filename)); 2154 archive_string_free(&(iso9660->el_torito.boot_filename)); 2155 archive_string_free(&(iso9660->el_torito.id)); 2156 archive_string_free(&(iso9660->utf16be)); 2157 archive_string_free(&(iso9660->mbs)); 2158 2159 free(iso9660); 2160 a->format_data = NULL; 2161 2162 return (ret); 2163 } 2164 2165 /* 2166 * Get the System Identifier 2167 */ 2168 static void 2169 get_system_identitier(char *system_id, size_t size) 2170 { 2171 #if defined(HAVE_SYS_UTSNAME_H) 2172 struct utsname u; 2173 2174 uname(&u); 2175 strncpy(system_id, u.sysname, size-1); 2176 system_id[size-1] = '\0'; 2177 #elif defined(_WIN32) && !defined(__CYGWIN__) 2178 strncpy(system_id, "Windows", size-1); 2179 system_id[size-1] = '\0'; 2180 #else 2181 #error no way to get the system identifier on your platform. 2182 #endif 2183 } 2184 2185 static void 2186 set_str(unsigned char *p, const char *s, size_t l, char f, const char *map) 2187 { 2188 unsigned char c; 2189 2190 if (s == NULL) 2191 s = ""; 2192 while ((c = *s++) != 0 && l > 0) { 2193 if (c >= 0x80 || map[c] == 0) 2194 { 2195 /* illegal character */ 2196 if (c >= 'a' && c <= 'z') { 2197 /* convert c from a-z to A-Z */ 2198 c -= 0x20; 2199 } else 2200 c = 0x5f; 2201 } 2202 *p++ = c; 2203 l--; 2204 } 2205 /* If l isn't zero, fill p buffer by the character 2206 * which indicated by f. */ 2207 if (l > 0) 2208 memset(p , f, l); 2209 } 2210 2211 static inline int 2212 joliet_allowed_char(unsigned char high, unsigned char low) 2213 { 2214 int utf16 = (high << 8) | low; 2215 2216 if (utf16 <= 0x001F) 2217 return (0); 2218 2219 switch (utf16) { 2220 case 0x002A: /* '*' */ 2221 case 0x002F: /* '/' */ 2222 case 0x003A: /* ':' */ 2223 case 0x003B: /* ';' */ 2224 case 0x003F: /* '?' */ 2225 case 0x005C: /* '\' */ 2226 return (0);/* Not allowed. */ 2227 } 2228 return (1); 2229 } 2230 2231 static int 2232 set_str_utf16be(struct archive_write *a, unsigned char *p, const char *s, 2233 size_t l, uint16_t uf, enum vdc vdc) 2234 { 2235 size_t size, i; 2236 int onepad; 2237 2238 if (s == NULL) 2239 s = ""; 2240 if (l & 0x01) { 2241 onepad = 1; 2242 l &= ~1; 2243 } else 2244 onepad = 0; 2245 if (vdc == VDC_UCS2) { 2246 struct iso9660 *iso9660 = a->format_data; 2247 if (archive_strncpy_l(&iso9660->utf16be, s, strlen(s), 2248 iso9660->sconv_to_utf16be) != 0 && errno == ENOMEM) { 2249 archive_set_error(&a->archive, ENOMEM, 2250 "Can't allocate memory for UTF-16BE"); 2251 return (ARCHIVE_FATAL); 2252 } 2253 size = iso9660->utf16be.length; 2254 if (size > l) 2255 size = l; 2256 memcpy(p, iso9660->utf16be.s, size); 2257 } else { 2258 const uint16_t *u16 = (const uint16_t *)s; 2259 2260 size = 0; 2261 while (*u16++) 2262 size += 2; 2263 if (size > l) 2264 size = l; 2265 memcpy(p, s, size); 2266 } 2267 for (i = 0; i < size; i += 2, p += 2) { 2268 if (!joliet_allowed_char(p[0], p[1])) 2269 archive_be16enc(p, 0x005F);/* '_' */ 2270 } 2271 l -= size; 2272 while (l > 0) { 2273 archive_be16enc(p, uf); 2274 p += 2; 2275 l -= 2; 2276 } 2277 if (onepad) 2278 *p = 0; 2279 return (ARCHIVE_OK); 2280 } 2281 2282 static const char a_characters_map[0x80] = { 2283 /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ 2284 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 00-0F */ 2285 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 10-1F */ 2286 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 20-2F */ 2287 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 30-3F */ 2288 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 40-4F */ 2289 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,/* 50-5F */ 2290 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 60-6F */ 2291 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 70-7F */ 2292 }; 2293 2294 static const char a1_characters_map[0x80] = { 2295 /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ 2296 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 00-0F */ 2297 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 10-1F */ 2298 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 20-2F */ 2299 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 30-3F */ 2300 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 40-4F */ 2301 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,/* 50-5F */ 2302 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 60-6F */ 2303 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,/* 70-7F */ 2304 }; 2305 2306 static const char d_characters_map[0x80] = { 2307 /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ 2308 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 00-0F */ 2309 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 10-1F */ 2310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 20-2F */ 2311 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,/* 30-3F */ 2312 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 40-4F */ 2313 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,/* 50-5F */ 2314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 60-6F */ 2315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 70-7F */ 2316 }; 2317 2318 static const char d1_characters_map[0x80] = { 2319 /* 0 1 2 3 4 5 6 7 8 9 A B C D E F */ 2320 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 00-0F */ 2321 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 10-1F */ 2322 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,/* 20-2F */ 2323 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,/* 30-3F */ 2324 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 40-4F */ 2325 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,/* 50-5F */ 2326 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,/* 60-6F */ 2327 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,/* 70-7F */ 2328 }; 2329 2330 static int 2331 set_str_a_characters_bp(struct archive_write *a, unsigned char *bp, 2332 int from, int to, const char *s, enum vdc vdc) 2333 { 2334 int r; 2335 2336 switch (vdc) { 2337 case VDC_STD: 2338 set_str(bp+from, s, to - from + 1, 0x20, 2339 a_characters_map); 2340 r = ARCHIVE_OK; 2341 break; 2342 case VDC_LOWERCASE: 2343 set_str(bp+from, s, to - from + 1, 0x20, 2344 a1_characters_map); 2345 r = ARCHIVE_OK; 2346 break; 2347 case VDC_UCS2: 2348 case VDC_UCS2_DIRECT: 2349 r = set_str_utf16be(a, bp+from, s, to - from + 1, 2350 0x0020, vdc); 2351 break; 2352 default: 2353 r = ARCHIVE_FATAL; 2354 } 2355 return (r); 2356 } 2357 2358 static int 2359 set_str_d_characters_bp(struct archive_write *a, unsigned char *bp, 2360 int from, int to, const char *s, enum vdc vdc) 2361 { 2362 int r; 2363 2364 switch (vdc) { 2365 case VDC_STD: 2366 set_str(bp+from, s, to - from + 1, 0x20, 2367 d_characters_map); 2368 r = ARCHIVE_OK; 2369 break; 2370 case VDC_LOWERCASE: 2371 set_str(bp+from, s, to - from + 1, 0x20, 2372 d1_characters_map); 2373 r = ARCHIVE_OK; 2374 break; 2375 case VDC_UCS2: 2376 case VDC_UCS2_DIRECT: 2377 r = set_str_utf16be(a, bp+from, s, to - from + 1, 2378 0x0020, vdc); 2379 break; 2380 default: 2381 r = ARCHIVE_FATAL; 2382 } 2383 return (r); 2384 } 2385 2386 static void 2387 set_VD_bp(unsigned char *bp, enum VD_type type, unsigned char ver) 2388 { 2389 2390 /* Volume Descriptor Type */ 2391 bp[1] = (unsigned char)type; 2392 /* Standard Identifier */ 2393 memcpy(bp + 2, "CD001", 5); 2394 /* Volume Descriptor Version */ 2395 bp[7] = ver; 2396 } 2397 2398 static inline void 2399 set_unused_field_bp(unsigned char *bp, int from, int to) 2400 { 2401 memset(bp + from, 0, to - from + 1); 2402 } 2403 2404 /* 2405 * 8-bit unsigned numerical values. 2406 * ISO9660 Standard 7.1.1 2407 */ 2408 static inline void 2409 set_num_711(unsigned char *p, unsigned char value) 2410 { 2411 *p = value; 2412 } 2413 2414 /* 2415 * 8-bit signed numerical values. 2416 * ISO9660 Standard 7.1.2 2417 */ 2418 static inline void 2419 set_num_712(unsigned char *p, char value) 2420 { 2421 *((char *)p) = value; 2422 } 2423 2424 /* 2425 * Least significant byte first. 2426 * ISO9660 Standard 7.2.1 2427 */ 2428 static inline void 2429 set_num_721(unsigned char *p, uint16_t value) 2430 { 2431 archive_le16enc(p, value); 2432 } 2433 2434 /* 2435 * Most significant byte first. 2436 * ISO9660 Standard 7.2.2 2437 */ 2438 static inline void 2439 set_num_722(unsigned char *p, uint16_t value) 2440 { 2441 archive_be16enc(p, value); 2442 } 2443 2444 /* 2445 * Both-byte orders. 2446 * ISO9660 Standard 7.2.3 2447 */ 2448 static void 2449 set_num_723(unsigned char *p, uint16_t value) 2450 { 2451 archive_le16enc(p, value); 2452 archive_be16enc(p+2, value); 2453 } 2454 2455 /* 2456 * Least significant byte first. 2457 * ISO9660 Standard 7.3.1 2458 */ 2459 static inline void 2460 set_num_731(unsigned char *p, uint32_t value) 2461 { 2462 archive_le32enc(p, value); 2463 } 2464 2465 /* 2466 * Most significant byte first. 2467 * ISO9660 Standard 7.3.2 2468 */ 2469 static inline void 2470 set_num_732(unsigned char *p, uint32_t value) 2471 { 2472 archive_be32enc(p, value); 2473 } 2474 2475 /* 2476 * Both-byte orders. 2477 * ISO9660 Standard 7.3.3 2478 */ 2479 static inline void 2480 set_num_733(unsigned char *p, uint32_t value) 2481 { 2482 archive_le32enc(p, value); 2483 archive_be32enc(p+4, value); 2484 } 2485 2486 static void 2487 set_digit(unsigned char *p, size_t s, int value) 2488 { 2489 2490 while (s--) { 2491 p[s] = '0' + (value % 10); 2492 value /= 10; 2493 } 2494 } 2495 2496 #if defined(HAVE_STRUCT_TM_TM_GMTOFF) 2497 #define get_gmoffset(tm) ((tm)->tm_gmtoff) 2498 #elif defined(HAVE_STRUCT_TM___TM_GMTOFF) 2499 #define get_gmoffset(tm) ((tm)->__tm_gmtoff) 2500 #else 2501 static long 2502 get_gmoffset(struct tm *tm) 2503 { 2504 long offset; 2505 2506 #if defined(HAVE__GET_TIMEZONE) 2507 _get_timezone(&offset); 2508 #elif defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__) 2509 offset = _timezone; 2510 #else 2511 offset = timezone; 2512 #endif 2513 offset *= -1; 2514 if (tm->tm_isdst) 2515 offset += 3600; 2516 return (offset); 2517 } 2518 #endif 2519 2520 static void 2521 get_tmfromtime(struct tm *tm, time_t *t) 2522 { 2523 #if HAVE_LOCALTIME_R 2524 tzset(); 2525 localtime_r(t, tm); 2526 #elif HAVE__LOCALTIME64_S 2527 _localtime64_s(tm, t); 2528 #else 2529 memcpy(tm, localtime(t), sizeof(*tm)); 2530 #endif 2531 } 2532 2533 /* 2534 * Date and Time Format. 2535 * ISO9660 Standard 8.4.26.1 2536 */ 2537 static void 2538 set_date_time(unsigned char *p, time_t t) 2539 { 2540 struct tm tm; 2541 2542 get_tmfromtime(&tm, &t); 2543 set_digit(p, 4, tm.tm_year + 1900); 2544 set_digit(p+4, 2, tm.tm_mon + 1); 2545 set_digit(p+6, 2, tm.tm_mday); 2546 set_digit(p+8, 2, tm.tm_hour); 2547 set_digit(p+10, 2, tm.tm_min); 2548 set_digit(p+12, 2, tm.tm_sec); 2549 set_digit(p+14, 2, 0); 2550 set_num_712(p+16, (char)(get_gmoffset(&tm)/(60*15))); 2551 } 2552 2553 static void 2554 set_date_time_null(unsigned char *p) 2555 { 2556 memset(p, '0', 16); 2557 p[16] = 0; 2558 } 2559 2560 static void 2561 set_time_915(unsigned char *p, time_t t) 2562 { 2563 struct tm tm; 2564 2565 get_tmfromtime(&tm, &t); 2566 set_num_711(p+0, tm.tm_year); 2567 set_num_711(p+1, tm.tm_mon+1); 2568 set_num_711(p+2, tm.tm_mday); 2569 set_num_711(p+3, tm.tm_hour); 2570 set_num_711(p+4, tm.tm_min); 2571 set_num_711(p+5, tm.tm_sec); 2572 set_num_712(p+6, (char)(get_gmoffset(&tm)/(60*15))); 2573 } 2574 2575 2576 /* 2577 * Write SUSP "CE" System Use Entry. 2578 */ 2579 static int 2580 set_SUSP_CE(unsigned char *p, int location, int offset, int size) 2581 { 2582 unsigned char *bp = p -1; 2583 /* Extend the System Use Area 2584 * "CE" Format: 2585 * len ver 2586 * +----+----+----+----+-----------+-----------+ 2587 * | 'C'| 'E'| 1C | 01 | LOCATION1 | LOCATION2 | 2588 * +----+----+----+----+-----------+-----------+ 2589 * 0 1 2 3 4 12 20 2590 * +-----------+ 2591 * | LOCATION3 | 2592 * +-----------+ 2593 * 20 28 2594 * LOCATION1 : Location of Continuation of System Use Area. 2595 * LOCATION2 : Offset to Start of Continuation. 2596 * LOCATION3 : Length of the Continuation. 2597 */ 2598 2599 bp[1] = 'C'; 2600 bp[2] = 'E'; 2601 bp[3] = RR_CE_SIZE; /* length */ 2602 bp[4] = 1; /* version */ 2603 set_num_733(bp+5, location); 2604 set_num_733(bp+13, offset); 2605 set_num_733(bp+21, size); 2606 return (RR_CE_SIZE); 2607 } 2608 2609 /* 2610 * The functions, which names are beginning with extra_, are used to 2611 * control extra records. 2612 * The maximum size of a Directory Record is 254. When a filename is 2613 * very long, all of RRIP data of a file won't stored to the Directory 2614 * Record and so remaining RRIP data store to an extra record instead. 2615 */ 2616 static unsigned char * 2617 extra_open_record(unsigned char *bp, int dr_len, struct isoent *isoent, 2618 struct ctl_extr_rec *ctl) 2619 { 2620 ctl->bp = bp; 2621 if (bp != NULL) 2622 bp += dr_len; 2623 ctl->use_extr = 0; 2624 ctl->isoent = isoent; 2625 ctl->ce_ptr = NULL; 2626 ctl->cur_len = ctl->dr_len = dr_len; 2627 ctl->limit = DR_LIMIT; 2628 2629 return (bp); 2630 } 2631 2632 static void 2633 extra_close_record(struct ctl_extr_rec *ctl, int ce_size) 2634 { 2635 int padding = 0; 2636 2637 if (ce_size > 0) 2638 extra_tell_used_size(ctl, ce_size); 2639 /* Padding. */ 2640 if (ctl->cur_len & 0x01) { 2641 ctl->cur_len++; 2642 if (ctl->bp != NULL) 2643 ctl->bp[ctl->cur_len] = 0; 2644 padding = 1; 2645 } 2646 if (ctl->use_extr) { 2647 if (ctl->ce_ptr != NULL) 2648 set_SUSP_CE(ctl->ce_ptr, ctl->extr_loc, 2649 ctl->extr_off, ctl->cur_len - padding); 2650 } else 2651 ctl->dr_len = ctl->cur_len; 2652 } 2653 2654 #define extra_space(ctl) ((ctl)->limit - (ctl)->cur_len) 2655 2656 static unsigned char * 2657 extra_next_record(struct ctl_extr_rec *ctl, int length) 2658 { 2659 int cur_len = ctl->cur_len;/* save cur_len */ 2660 2661 /* Close the current extra record or Directory Record. */ 2662 extra_close_record(ctl, RR_CE_SIZE); 2663 2664 /* Get a next extra record. */ 2665 ctl->use_extr = 1; 2666 if (ctl->bp != NULL) { 2667 /* Storing data into an extra record. */ 2668 unsigned char *p; 2669 2670 /* Save the pointer where a CE extension will be 2671 * stored to. */ 2672 ctl->ce_ptr = &ctl->bp[cur_len+1]; 2673 p = extra_get_record(ctl->isoent, 2674 &ctl->limit, &ctl->extr_off, &ctl->extr_loc); 2675 ctl->bp = p - 1;/* the base of bp offset is 1. */ 2676 } else 2677 /* Calculating the size of an extra record. */ 2678 (void)extra_get_record(ctl->isoent, 2679 &ctl->limit, NULL, NULL); 2680 ctl->cur_len = 0; 2681 /* Check if an extra record is almost full. 2682 * If so, get a next one. */ 2683 if (extra_space(ctl) < length) 2684 (void)extra_next_record(ctl, length); 2685 2686 return (ctl->bp); 2687 } 2688 2689 static inline struct extr_rec * 2690 extra_last_record(struct isoent *isoent) 2691 { 2692 if (isoent->extr_rec_list.first == NULL) 2693 return (NULL); 2694 return ((struct extr_rec *)(void *) 2695 ((char *)(isoent->extr_rec_list.last) 2696 - offsetof(struct extr_rec, next))); 2697 } 2698 2699 static unsigned char * 2700 extra_get_record(struct isoent *isoent, int *space, int *off, int *loc) 2701 { 2702 struct extr_rec *rec; 2703 2704 isoent = isoent->parent; 2705 if (off != NULL) { 2706 /* Storing data into an extra record. */ 2707 rec = isoent->extr_rec_list.current; 2708 if (DR_SAFETY > LOGICAL_BLOCK_SIZE - rec->offset) 2709 rec = rec->next; 2710 } else { 2711 /* Calculating the size of an extra record. */ 2712 rec = extra_last_record(isoent); 2713 if (rec == NULL || 2714 DR_SAFETY > LOGICAL_BLOCK_SIZE - rec->offset) { 2715 rec = malloc(sizeof(*rec)); 2716 if (rec == NULL) 2717 return (NULL); 2718 rec->location = 0; 2719 rec->offset = 0; 2720 /* Insert `rec` into the tail of isoent->extr_rec_list */ 2721 rec->next = NULL; 2722 *isoent->extr_rec_list.last = rec; 2723 isoent->extr_rec_list.last = &(rec->next); 2724 } 2725 } 2726 *space = LOGICAL_BLOCK_SIZE - rec->offset - DR_SAFETY; 2727 if (*space & 0x01) 2728 *space -= 1;/* Keep padding space. */ 2729 if (off != NULL) 2730 *off = rec->offset; 2731 if (loc != NULL) 2732 *loc = rec->location; 2733 isoent->extr_rec_list.current = rec; 2734 2735 return (&rec->buf[rec->offset]); 2736 } 2737 2738 static void 2739 extra_tell_used_size(struct ctl_extr_rec *ctl, int size) 2740 { 2741 struct isoent *isoent; 2742 struct extr_rec *rec; 2743 2744 if (ctl->use_extr) { 2745 isoent = ctl->isoent->parent; 2746 rec = isoent->extr_rec_list.current; 2747 if (rec != NULL) 2748 rec->offset += size; 2749 } 2750 ctl->cur_len += size; 2751 } 2752 2753 static int 2754 extra_setup_location(struct isoent *isoent, int location) 2755 { 2756 struct extr_rec *rec; 2757 int cnt; 2758 2759 cnt = 0; 2760 rec = isoent->extr_rec_list.first; 2761 isoent->extr_rec_list.current = rec; 2762 while (rec) { 2763 cnt++; 2764 rec->location = location++; 2765 rec->offset = 0; 2766 rec = rec->next; 2767 } 2768 return (cnt); 2769 } 2770 2771 /* 2772 * Create the RRIP entries. 2773 */ 2774 static int 2775 set_directory_record_rr(unsigned char *bp, int dr_len, 2776 struct isoent *isoent, struct iso9660 *iso9660, enum dir_rec_type t) 2777 { 2778 /* Flags(BP 5) of the Rockridge "RR" System Use Field */ 2779 unsigned char rr_flag; 2780 #define RR_USE_PX 0x01 2781 #define RR_USE_PN 0x02 2782 #define RR_USE_SL 0x04 2783 #define RR_USE_NM 0x08 2784 #define RR_USE_CL 0x10 2785 #define RR_USE_PL 0x20 2786 #define RR_USE_RE 0x40 2787 #define RR_USE_TF 0x80 2788 int length; 2789 struct ctl_extr_rec ctl; 2790 struct isoent *rr_parent, *pxent; 2791 struct isofile *file; 2792 2793 bp = extra_open_record(bp, dr_len, isoent, &ctl); 2794 2795 if (t == DIR_REC_PARENT) { 2796 rr_parent = isoent->rr_parent; 2797 pxent = isoent->parent; 2798 if (rr_parent != NULL) 2799 isoent = rr_parent; 2800 else 2801 isoent = isoent->parent; 2802 } else { 2803 rr_parent = NULL; 2804 pxent = isoent; 2805 } 2806 file = isoent->file; 2807 2808 if (t != DIR_REC_NORMAL) { 2809 rr_flag = RR_USE_PX | RR_USE_TF; 2810 if (rr_parent != NULL) 2811 rr_flag |= RR_USE_PL; 2812 } else { 2813 rr_flag = RR_USE_PX | RR_USE_NM | RR_USE_TF; 2814 if (archive_entry_filetype(file->entry) == AE_IFLNK) 2815 rr_flag |= RR_USE_SL; 2816 if (isoent->rr_parent != NULL) 2817 rr_flag |= RR_USE_RE; 2818 if (isoent->rr_child != NULL) 2819 rr_flag |= RR_USE_CL; 2820 if (archive_entry_filetype(file->entry) == AE_IFCHR || 2821 archive_entry_filetype(file->entry) == AE_IFBLK) 2822 rr_flag |= RR_USE_PN; 2823 #ifdef COMPAT_MKISOFS 2824 /* 2825 * mkisofs 2.01.01a63 records "RE" extension to 2826 * the entry of "rr_moved" directory. 2827 * I don't understand this behavior. 2828 */ 2829 if (isoent->virtual && 2830 isoent->parent == iso9660->primary.rootent && 2831 strcmp(isoent->file->basename.s, "rr_moved") == 0) 2832 rr_flag |= RR_USE_RE; 2833 #endif 2834 } 2835 2836 /* Write "SP" System Use Entry. */ 2837 if (t == DIR_REC_SELF && isoent == isoent->parent) { 2838 length = 7; 2839 if (bp != NULL) { 2840 bp[1] = 'S'; 2841 bp[2] = 'P'; 2842 bp[3] = length; 2843 bp[4] = 1; /* version */ 2844 bp[5] = 0xBE; /* Check Byte */ 2845 bp[6] = 0xEF; /* Check Byte */ 2846 bp[7] = 0; 2847 bp += length; 2848 } 2849 extra_tell_used_size(&ctl, length); 2850 } 2851 2852 /* Write "RR" System Use Entry. */ 2853 length = 5; 2854 if (extra_space(&ctl) < length) 2855 bp = extra_next_record(&ctl, length); 2856 if (bp != NULL) { 2857 bp[1] = 'R'; 2858 bp[2] = 'R'; 2859 bp[3] = length; 2860 bp[4] = 1; /* version */ 2861 bp[5] = rr_flag; 2862 bp += length; 2863 } 2864 extra_tell_used_size(&ctl, length); 2865 2866 /* Write "NM" System Use Entry. */ 2867 if (rr_flag & RR_USE_NM) { 2868 /* 2869 * "NM" Format: 2870 * e.g. a basename is 'foo' 2871 * len ver flg 2872 * +----+----+----+----+----+----+----+----+ 2873 * | 'N'| 'M'| 08 | 01 | 00 | 'f'| 'o'| 'o'| 2874 * +----+----+----+----+----+----+----+----+ 2875 * <----------------- len -----------------> 2876 */ 2877 size_t nmlen = file->basename.length; 2878 const char *nm = file->basename.s; 2879 size_t nmmax; 2880 2881 if (extra_space(&ctl) < 6) 2882 bp = extra_next_record(&ctl, 6); 2883 if (bp != NULL) { 2884 bp[1] = 'N'; 2885 bp[2] = 'M'; 2886 bp[4] = 1; /* version */ 2887 } 2888 nmmax = extra_space(&ctl); 2889 if (nmmax > 0xff) 2890 nmmax = 0xff; 2891 while (nmlen + 5 > nmmax) { 2892 length = (int)nmmax; 2893 if (bp != NULL) { 2894 bp[3] = length; 2895 bp[5] = 0x01;/* Alternate Name continues 2896 * in next "NM" field */ 2897 memcpy(bp+6, nm, length - 5); 2898 bp += length; 2899 } 2900 nmlen -= length - 5; 2901 nm += length - 5; 2902 extra_tell_used_size(&ctl, length); 2903 if (extra_space(&ctl) < 6) { 2904 bp = extra_next_record(&ctl, 6); 2905 nmmax = extra_space(&ctl); 2906 if (nmmax > 0xff) 2907 nmmax = 0xff; 2908 } 2909 if (bp != NULL) { 2910 bp[1] = 'N'; 2911 bp[2] = 'M'; 2912 bp[4] = 1; /* version */ 2913 } 2914 } 2915 length = 5 + (int)nmlen; 2916 if (bp != NULL) { 2917 bp[3] = length; 2918 bp[5] = 0; 2919 memcpy(bp+6, nm, nmlen); 2920 bp += length; 2921 } 2922 extra_tell_used_size(&ctl, length); 2923 } 2924 2925 /* Write "PX" System Use Entry. */ 2926 if (rr_flag & RR_USE_PX) { 2927 /* 2928 * "PX" Format: 2929 * len ver 2930 * +----+----+----+----+-----------+-----------+ 2931 * | 'P'| 'X'| 2C | 01 | FILE MODE | LINKS | 2932 * +----+----+----+----+-----------+-----------+ 2933 * 0 1 2 3 4 12 20 2934 * +-----------+-----------+------------------+ 2935 * | USER ID | GROUP ID |FILE SERIAL NUMBER| 2936 * +-----------+-----------+------------------+ 2937 * 20 28 36 44 2938 */ 2939 length = 44; 2940 if (extra_space(&ctl) < length) 2941 bp = extra_next_record(&ctl, length); 2942 if (bp != NULL) { 2943 mode_t mode; 2944 int64_t uid; 2945 int64_t gid; 2946 2947 mode = archive_entry_mode(file->entry); 2948 uid = archive_entry_uid(file->entry); 2949 gid = archive_entry_gid(file->entry); 2950 if (iso9660->opt.rr == OPT_RR_USEFUL) { 2951 /* 2952 * This action is simular mkisofs -r option 2953 * but our rockridge=useful option does not 2954 * set a zero to uid and gid. 2955 */ 2956 /* set all read bit ON */ 2957 mode |= 0444; 2958 #if !defined(_WIN32) && !defined(__CYGWIN__) 2959 if (mode & 0111) 2960 #endif 2961 /* set all exec bit ON */ 2962 mode |= 0111; 2963 /* clear all write bits. */ 2964 mode &= ~0222; 2965 /* clear setuid,setgid,sticky bits. */ 2966 mode &= ~07000; 2967 } 2968 2969 bp[1] = 'P'; 2970 bp[2] = 'X'; 2971 bp[3] = length; 2972 bp[4] = 1; /* version */ 2973 /* file mode */ 2974 set_num_733(bp+5, mode); 2975 /* file links (stat.st_nlink) */ 2976 set_num_733(bp+13, 2977 archive_entry_nlink(file->entry)); 2978 set_num_733(bp+21, (uint32_t)uid); 2979 set_num_733(bp+29, (uint32_t)gid); 2980 /* File Serial Number */ 2981 if (pxent->dir) 2982 set_num_733(bp+37, pxent->dir_location); 2983 else if (file->hardlink_target != NULL) 2984 set_num_733(bp+37, 2985 file->hardlink_target->cur_content->location); 2986 else 2987 set_num_733(bp+37, 2988 file->cur_content->location); 2989 bp += length; 2990 } 2991 extra_tell_used_size(&ctl, length); 2992 } 2993 2994 /* Write "SL" System Use Entry. */ 2995 if (rr_flag & RR_USE_SL) { 2996 /* 2997 * "SL" Format: 2998 * e.g. a symbolic name is 'foo/bar' 2999 * len ver flg 3000 * +----+----+----+----+----+------------+ 3001 * | 'S'| 'L'| 0F | 01 | 00 | components | 3002 * +----+----+----+----+----+-----+------+ 3003 * 0 1 2 3 4 5 ...|... 15 3004 * <----------------- len --------+------> 3005 * components : | 3006 * cflg clen | 3007 * +----+----+----+----+----+ | 3008 * | 00 | 03 | 'f'| 'o'| 'o'| <---+ 3009 * +----+----+----+----+----+ | 3010 * 5 6 7 8 9 10 | 3011 * cflg clen | 3012 * +----+----+----+----+----+ | 3013 * | 00 | 03 | 'b'| 'a'| 'r'| <---+ 3014 * +----+----+----+----+----+ 3015 * 10 11 12 13 14 15 3016 * 3017 * - cflg : flag of componet 3018 * - clen : length of componet 3019 */ 3020 const char *sl; 3021 char sl_last; 3022 3023 if (extra_space(&ctl) < 7) 3024 bp = extra_next_record(&ctl, 7); 3025 sl = file->symlink.s; 3026 sl_last = '\0'; 3027 if (bp != NULL) { 3028 bp[1] = 'S'; 3029 bp[2] = 'L'; 3030 bp[4] = 1; /* version */ 3031 } 3032 for (;;) { 3033 unsigned char *nc, *cf, *cl, cldmy = 0; 3034 int sllen, slmax; 3035 3036 slmax = extra_space(&ctl); 3037 if (slmax > 0xff) 3038 slmax = 0xff; 3039 if (bp != NULL) 3040 nc = &bp[6]; 3041 else 3042 nc = NULL; 3043 cf = cl = NULL; 3044 sllen = 0; 3045 while (*sl && sllen + 11 < slmax) { 3046 if (sl_last == '\0' && sl[0] == '/') { 3047 /* 3048 * flg len 3049 * +----+----+ 3050 * | 08 | 00 | ROOT component. 3051 * +----+----+ ("/") 3052 * 3053 * Root component has to appear 3054 * at the first component only. 3055 */ 3056 if (nc != NULL) { 3057 cf = nc++; 3058 *cf = 0x08; /* ROOT */ 3059 *nc++ = 0; 3060 } 3061 sllen += 2; 3062 sl++; 3063 sl_last = '/'; 3064 cl = NULL; 3065 continue; 3066 } 3067 if (((sl_last == '\0' || sl_last == '/') && 3068 sl[0] == '.' && sl[1] == '.' && 3069 (sl[2] == '/' || sl[2] == '\0')) || 3070 (sl[0] == '/' && 3071 sl[1] == '.' && sl[2] == '.' && 3072 (sl[3] == '/' || sl[3] == '\0'))) { 3073 /* 3074 * flg len 3075 * +----+----+ 3076 * | 04 | 00 | PARENT component. 3077 * +----+----+ ("..") 3078 */ 3079 if (nc != NULL) { 3080 cf = nc++; 3081 *cf = 0x04; /* PARENT */ 3082 *nc++ = 0; 3083 } 3084 sllen += 2; 3085 if (sl[0] == '/') 3086 sl += 3;/* skip "/.." */ 3087 else 3088 sl += 2;/* skip ".." */ 3089 sl_last = '.'; 3090 cl = NULL; 3091 continue; 3092 } 3093 if (((sl_last == '\0' || sl_last == '/') && 3094 sl[0] == '.' && 3095 (sl[1] == '/' || sl[1] == '\0')) || 3096 (sl[0] == '/' && sl[1] == '.' && 3097 (sl[2] == '/' || sl[2] == '\0'))) { 3098 /* 3099 * flg len 3100 * +----+----+ 3101 * | 02 | 00 | CURREENT component. 3102 * +----+----+ (".") 3103 */ 3104 if (nc != NULL) { 3105 cf = nc++; 3106 *cf = 0x02; /* CURRENT */ 3107 *nc++ = 0; 3108 } 3109 sllen += 2; 3110 if (sl[0] == '/') 3111 sl += 2;/* skip "/." */ 3112 else 3113 sl ++; /* skip "." */ 3114 sl_last = '.'; 3115 cl = NULL; 3116 continue; 3117 } 3118 if (sl[0] == '/' || cl == NULL) { 3119 if (nc != NULL) { 3120 cf = nc++; 3121 *cf = 0; 3122 cl = nc++; 3123 *cl = 0; 3124 } else 3125 cl = &cldmy; 3126 sllen += 2; 3127 if (sl[0] == '/') { 3128 sl_last = *sl++; 3129 continue; 3130 } 3131 } 3132 sl_last = *sl++; 3133 if (nc != NULL) { 3134 *nc++ = sl_last; 3135 (*cl) ++; 3136 } 3137 sllen++; 3138 } 3139 if (*sl) { 3140 length = 5 + sllen; 3141 if (bp != NULL) { 3142 /* 3143 * Mark flg as CONTINUE component. 3144 */ 3145 *cf |= 0x01; 3146 /* 3147 * len ver flg 3148 * +----+----+----+----+----+- 3149 * | 'S'| 'L'| XX | 01 | 01 | 3150 * +----+----+----+----+----+- 3151 * ^ 3152 * continues in next "SL" 3153 */ 3154 bp[3] = length; 3155 bp[5] = 0x01;/* This Symbolic Link 3156 * continues in next 3157 * "SL" field */ 3158 bp += length; 3159 } 3160 extra_tell_used_size(&ctl, length); 3161 if (extra_space(&ctl) < 11) 3162 bp = extra_next_record(&ctl, 11); 3163 if (bp != NULL) { 3164 /* Next 'SL' */ 3165 bp[1] = 'S'; 3166 bp[2] = 'L'; 3167 bp[4] = 1; /* version */ 3168 } 3169 } else { 3170 length = 5 + sllen; 3171 if (bp != NULL) { 3172 bp[3] = length; 3173 bp[5] = 0; 3174 bp += length; 3175 } 3176 extra_tell_used_size(&ctl, length); 3177 break; 3178 } 3179 } 3180 } 3181 3182 /* Write "TF" System Use Entry. */ 3183 if (rr_flag & RR_USE_TF) { 3184 /* 3185 * "TF" Format: 3186 * len ver 3187 * +----+----+----+----+-----+-------------+ 3188 * | 'T'| 'F'| XX | 01 |FLAGS| TIME STAMPS | 3189 * +----+----+----+----+-----+-------------+ 3190 * 0 1 2 3 4 5 XX 3191 * TIME STAMPS : ISO 9660 Standard 9.1.5. 3192 * If TF_LONG_FORM FLAGS is set, 3193 * use ISO9660 Standard 8.4.26.1. 3194 */ 3195 #define TF_CREATION 0x01 /* Creation time recorded */ 3196 #define TF_MODIFY 0x02 /* Modification time recorded */ 3197 #define TF_ACCESS 0x04 /* Last Access time recorded */ 3198 #define TF_ATTRIBUTES 0x08 /* Last Attribute Change time recorded */ 3199 #define TF_BACKUP 0x10 /* Last Backup time recorded */ 3200 #define TF_EXPIRATION 0x20 /* Expiration time recorded */ 3201 #define TF_EFFECTIVE 0x40 /* Effective time recorded */ 3202 #define TF_LONG_FORM 0x80 /* ISO 9660 17-byte time format used */ 3203 unsigned char tf_flags; 3204 3205 length = 5; 3206 tf_flags = 0; 3207 #ifndef COMPAT_MKISOFS 3208 if (archive_entry_birthtime_is_set(file->entry) && 3209 archive_entry_birthtime(file->entry) <= 3210 archive_entry_mtime(file->entry)) { 3211 length += 7; 3212 tf_flags |= TF_CREATION; 3213 } 3214 #endif 3215 if (archive_entry_mtime_is_set(file->entry)) { 3216 length += 7; 3217 tf_flags |= TF_MODIFY; 3218 } 3219 if (archive_entry_atime_is_set(file->entry)) { 3220 length += 7; 3221 tf_flags |= TF_ACCESS; 3222 } 3223 if (archive_entry_ctime_is_set(file->entry)) { 3224 length += 7; 3225 tf_flags |= TF_ATTRIBUTES; 3226 } 3227 if (extra_space(&ctl) < length) 3228 bp = extra_next_record(&ctl, length); 3229 if (bp != NULL) { 3230 bp[1] = 'T'; 3231 bp[2] = 'F'; 3232 bp[3] = length; 3233 bp[4] = 1; /* version */ 3234 bp[5] = tf_flags; 3235 bp += 5; 3236 /* Creation time */ 3237 if (tf_flags & TF_CREATION) { 3238 set_time_915(bp+1, 3239 archive_entry_birthtime(file->entry)); 3240 bp += 7; 3241 } 3242 /* Modification time */ 3243 if (tf_flags & TF_MODIFY) { 3244 set_time_915(bp+1, 3245 archive_entry_mtime(file->entry)); 3246 bp += 7; 3247 } 3248 /* Last Access time */ 3249 if (tf_flags & TF_ACCESS) { 3250 set_time_915(bp+1, 3251 archive_entry_atime(file->entry)); 3252 bp += 7; 3253 } 3254 /* Last Attribute Change time */ 3255 if (tf_flags & TF_ATTRIBUTES) { 3256 set_time_915(bp+1, 3257 archive_entry_ctime(file->entry)); 3258 bp += 7; 3259 } 3260 } 3261 extra_tell_used_size(&ctl, length); 3262 } 3263 3264 /* Write "RE" System Use Entry. */ 3265 if (rr_flag & RR_USE_RE) { 3266 /* 3267 * "RE" Format: 3268 * len ver 3269 * +----+----+----+----+ 3270 * | 'R'| 'E'| 04 | 01 | 3271 * +----+----+----+----+ 3272 * 0 1 2 3 4 3273 */ 3274 length = 4; 3275 if (extra_space(&ctl) < length) 3276 bp = extra_next_record(&ctl, length); 3277 if (bp != NULL) { 3278 bp[1] = 'R'; 3279 bp[2] = 'E'; 3280 bp[3] = length; 3281 bp[4] = 1; /* version */ 3282 bp += length; 3283 } 3284 extra_tell_used_size(&ctl, length); 3285 } 3286 3287 /* Write "PL" System Use Entry. */ 3288 if (rr_flag & RR_USE_PL) { 3289 /* 3290 * "PL" Format: 3291 * len ver 3292 * +----+----+----+----+------------+ 3293 * | 'P'| 'L'| 0C | 01 | *LOCATION | 3294 * +----+----+----+----+------------+ 3295 * 0 1 2 3 4 12 3296 * *LOCATION: location of parent directory 3297 */ 3298 length = 12; 3299 if (extra_space(&ctl) < length) 3300 bp = extra_next_record(&ctl, length); 3301 if (bp != NULL) { 3302 bp[1] = 'P'; 3303 bp[2] = 'L'; 3304 bp[3] = length; 3305 bp[4] = 1; /* version */ 3306 set_num_733(bp + 5, 3307 rr_parent->dir_location); 3308 bp += length; 3309 } 3310 extra_tell_used_size(&ctl, length); 3311 } 3312 3313 /* Write "CL" System Use Entry. */ 3314 if (rr_flag & RR_USE_CL) { 3315 /* 3316 * "CL" Format: 3317 * len ver 3318 * +----+----+----+----+------------+ 3319 * | 'C'| 'L'| 0C | 01 | *LOCATION | 3320 * +----+----+----+----+------------+ 3321 * 0 1 2 3 4 12 3322 * *LOCATION: location of child directory 3323 */ 3324 length = 12; 3325 if (extra_space(&ctl) < length) 3326 bp = extra_next_record(&ctl, length); 3327 if (bp != NULL) { 3328 bp[1] = 'C'; 3329 bp[2] = 'L'; 3330 bp[3] = length; 3331 bp[4] = 1; /* version */ 3332 set_num_733(bp + 5, 3333 isoent->rr_child->dir_location); 3334 bp += length; 3335 } 3336 extra_tell_used_size(&ctl, length); 3337 } 3338 3339 /* Write "PN" System Use Entry. */ 3340 if (rr_flag & RR_USE_PN) { 3341 /* 3342 * "PN" Format: 3343 * len ver 3344 * +----+----+----+----+------------+------------+ 3345 * | 'P'| 'N'| 14 | 01 | dev_t high | dev_t low | 3346 * +----+----+----+----+------------+------------+ 3347 * 0 1 2 3 4 12 20 3348 */ 3349 length = 20; 3350 if (extra_space(&ctl) < length) 3351 bp = extra_next_record(&ctl, length); 3352 if (bp != NULL) { 3353 uint64_t dev; 3354 3355 bp[1] = 'P'; 3356 bp[2] = 'N'; 3357 bp[3] = length; 3358 bp[4] = 1; /* version */ 3359 dev = (uint64_t)archive_entry_rdev(file->entry); 3360 set_num_733(bp + 5, (uint32_t)(dev >> 32)); 3361 set_num_733(bp + 13, (uint32_t)(dev & 0xFFFFFFFF)); 3362 bp += length; 3363 } 3364 extra_tell_used_size(&ctl, length); 3365 } 3366 3367 /* Write "ZF" System Use Entry. */ 3368 if (file->zisofs.header_size) { 3369 /* 3370 * "ZF" Format: 3371 * len ver 3372 * +----+----+----+----+----+----+-------------+ 3373 * | 'Z'| 'F'| 10 | 01 | 'p'| 'z'| Header Size | 3374 * +----+----+----+----+----+----+-------------+ 3375 * 0 1 2 3 4 5 6 7 3376 * +--------------------+-------------------+ 3377 * | Log2 of block Size | Uncompressed Size | 3378 * +--------------------+-------------------+ 3379 * 7 8 16 3380 */ 3381 length = 16; 3382 if (extra_space(&ctl) < length) 3383 bp = extra_next_record(&ctl, length); 3384 if (bp != NULL) { 3385 bp[1] = 'Z'; 3386 bp[2] = 'F'; 3387 bp[3] = length; 3388 bp[4] = 1; /* version */ 3389 bp[5] = 'p'; 3390 bp[6] = 'z'; 3391 bp[7] = file->zisofs.header_size; 3392 bp[8] = file->zisofs.log2_bs; 3393 set_num_733(bp + 9, file->zisofs.uncompressed_size); 3394 bp += length; 3395 } 3396 extra_tell_used_size(&ctl, length); 3397 } 3398 3399 /* Write "CE" System Use Entry. */ 3400 if (t == DIR_REC_SELF && isoent == isoent->parent) { 3401 length = RR_CE_SIZE; 3402 if (bp != NULL) 3403 set_SUSP_CE(bp+1, iso9660->location_rrip_er, 3404 0, RRIP_ER_SIZE); 3405 extra_tell_used_size(&ctl, length); 3406 } 3407 3408 extra_close_record(&ctl, 0); 3409 3410 return (ctl.dr_len); 3411 } 3412 3413 /* 3414 * Write data of a Directory Record or calculate writing bytes itself. 3415 * If parameter `p' is NULL, calculates the size of writing data, which 3416 * a Directory Record needs to write, then it saved and return 3417 * the calculated size. 3418 * Parameter `n' is a remaining size of buffer. when parameter `p' is 3419 * not NULL, check whether that `n' is not less than the saved size. 3420 * if that `n' is small, return zero. 3421 * 3422 * This format of the Directory Record is according to 3423 * ISO9660 Standard 9.1 3424 */ 3425 static int 3426 set_directory_record(unsigned char *p, size_t n, struct isoent *isoent, 3427 struct iso9660 *iso9660, enum dir_rec_type t, 3428 enum vdd_type vdd_type) 3429 { 3430 unsigned char *bp; 3431 size_t dr_len; 3432 size_t fi_len; 3433 3434 if (p != NULL) { 3435 /* 3436 * Check whether a write buffer size is less than the 3437 * saved size which is needed to write this Directory 3438 * Record. 3439 */ 3440 switch (t) { 3441 case DIR_REC_VD: 3442 dr_len = isoent->dr_len.vd; break; 3443 case DIR_REC_SELF: 3444 dr_len = isoent->dr_len.self; break; 3445 case DIR_REC_PARENT: 3446 dr_len = isoent->dr_len.parent; break; 3447 case DIR_REC_NORMAL: 3448 default: 3449 dr_len = isoent->dr_len.normal; break; 3450 } 3451 if (dr_len > n) 3452 return (0);/* Needs more buffer size. */ 3453 } 3454 3455 if (t == DIR_REC_NORMAL && isoent->identifier != NULL) 3456 fi_len = isoent->id_len; 3457 else 3458 fi_len = 1; 3459 3460 if (p != NULL) { 3461 struct isoent *xisoent; 3462 struct isofile *file; 3463 unsigned char flag; 3464 3465 if (t == DIR_REC_PARENT) 3466 xisoent = isoent->parent; 3467 else 3468 xisoent = isoent; 3469 file = isoent->file; 3470 if (file->hardlink_target != NULL) 3471 file = file->hardlink_target; 3472 /* Make a file flag. */ 3473 if (xisoent->dir) 3474 flag = FILE_FLAG_DIRECTORY; 3475 else { 3476 if (file->cur_content->next != NULL) 3477 flag = FILE_FLAG_MULTI_EXTENT; 3478 else 3479 flag = 0; 3480 } 3481 3482 bp = p -1; 3483 /* Extended Attribute Record Length */ 3484 set_num_711(bp+2, 0); 3485 /* Location of Extent */ 3486 if (xisoent->dir) 3487 set_num_733(bp+3, xisoent->dir_location); 3488 else 3489 set_num_733(bp+3, file->cur_content->location); 3490 /* Data Length */ 3491 if (xisoent->dir) 3492 set_num_733(bp+11, 3493 xisoent->dir_block * LOGICAL_BLOCK_SIZE); 3494 else 3495 set_num_733(bp+11, (uint32_t)file->cur_content->size); 3496 /* Recording Date and Time */ 3497 /* NOTE: 3498 * If a file type is symbolic link, you are seeing this 3499 * field value is different from a value mkisofs makes. 3500 * libarchive uses lstat to get this one, but it 3501 * seems mkisofs uses stat to get. 3502 */ 3503 set_time_915(bp+19, 3504 archive_entry_mtime(xisoent->file->entry)); 3505 /* File Flags */ 3506 bp[26] = flag; 3507 /* File Unit Size */ 3508 set_num_711(bp+27, 0); 3509 /* Interleave Gap Size */ 3510 set_num_711(bp+28, 0); 3511 /* Volume Sequence Number */ 3512 set_num_723(bp+29, iso9660->volume_sequence_number); 3513 /* Length of File Identifier */ 3514 set_num_711(bp+33, (unsigned char)fi_len); 3515 /* File Identifier */ 3516 switch (t) { 3517 case DIR_REC_VD: 3518 case DIR_REC_SELF: 3519 set_num_711(bp+34, 0); 3520 break; 3521 case DIR_REC_PARENT: 3522 set_num_711(bp+34, 1); 3523 break; 3524 case DIR_REC_NORMAL: 3525 if (isoent->identifier != NULL) 3526 memcpy(bp+34, isoent->identifier, fi_len); 3527 else 3528 set_num_711(bp+34, 0); 3529 break; 3530 } 3531 } else 3532 bp = NULL; 3533 dr_len = 33 + fi_len; 3534 /* Padding Field */ 3535 if (dr_len & 0x01) { 3536 dr_len ++; 3537 if (p != NULL) 3538 bp[dr_len] = 0; 3539 } 3540 3541 /* Volume Descriptor does not record extension. */ 3542 if (t == DIR_REC_VD) { 3543 if (p != NULL) 3544 /* Length of Directory Record */ 3545 set_num_711(p, (unsigned char)dr_len); 3546 else 3547 isoent->dr_len.vd = (int)dr_len; 3548 return ((int)dr_len); 3549 } 3550 3551 /* Rockridge */ 3552 if (iso9660->opt.rr && vdd_type != VDD_JOLIET) 3553 dr_len = set_directory_record_rr(bp, (int)dr_len, 3554 isoent, iso9660, t); 3555 3556 if (p != NULL) 3557 /* Length of Directory Record */ 3558 set_num_711(p, (unsigned char)dr_len); 3559 else { 3560 /* 3561 * Save the size which is needed to write this 3562 * Directory Record. 3563 */ 3564 switch (t) { 3565 case DIR_REC_VD: 3566 /* This case does not come, but compiler 3567 * complains that DIR_REC_VD not handled 3568 * in switch .... */ 3569 break; 3570 case DIR_REC_SELF: 3571 isoent->dr_len.self = (int)dr_len; break; 3572 case DIR_REC_PARENT: 3573 isoent->dr_len.parent = (int)dr_len; break; 3574 case DIR_REC_NORMAL: 3575 isoent->dr_len.normal = (int)dr_len; break; 3576 } 3577 } 3578 3579 return ((int)dr_len); 3580 } 3581 3582 /* 3583 * Calculate the size of a directory record. 3584 */ 3585 static inline int 3586 get_dir_rec_size(struct iso9660 *iso9660, struct isoent *isoent, 3587 enum dir_rec_type t, enum vdd_type vdd_type) 3588 { 3589 3590 return (set_directory_record(NULL, SIZE_MAX, 3591 isoent, iso9660, t, vdd_type)); 3592 } 3593 3594 /* 3595 * Manage to write ISO-image data with wbuff to reduce calling 3596 * __archive_write_output() for performance. 3597 */ 3598 3599 3600 static inline unsigned char * 3601 wb_buffptr(struct archive_write *a) 3602 { 3603 struct iso9660 *iso9660 = (struct iso9660 *)a->format_data; 3604 3605 return (&(iso9660->wbuff[sizeof(iso9660->wbuff) 3606 - iso9660->wbuff_remaining])); 3607 } 3608 3609 static int 3610 wb_write_out(struct archive_write *a) 3611 { 3612 struct iso9660 *iso9660 = (struct iso9660 *)a->format_data; 3613 size_t wsize, nw; 3614 int r; 3615 3616 wsize = sizeof(iso9660->wbuff) - iso9660->wbuff_remaining; 3617 nw = wsize % LOGICAL_BLOCK_SIZE; 3618 if (iso9660->wbuff_type == WB_TO_STREAM) 3619 r = __archive_write_output(a, iso9660->wbuff, wsize - nw); 3620 else 3621 r = write_to_temp(a, iso9660->wbuff, wsize - nw); 3622 /* Increase the offset. */ 3623 iso9660->wbuff_offset += wsize - nw; 3624 if (iso9660->wbuff_offset > iso9660->wbuff_written) 3625 iso9660->wbuff_written = iso9660->wbuff_offset; 3626 iso9660->wbuff_remaining = sizeof(iso9660->wbuff); 3627 if (nw) { 3628 iso9660->wbuff_remaining -= nw; 3629 memmove(iso9660->wbuff, iso9660->wbuff + wsize - nw, nw); 3630 } 3631 return (r); 3632 } 3633 3634 static int 3635 wb_consume(struct archive_write *a, size_t size) 3636 { 3637 struct iso9660 *iso9660 = (struct iso9660 *)a->format_data; 3638 3639 if (size > iso9660->wbuff_remaining || 3640 iso9660->wbuff_remaining == 0) { 3641 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3642 "Internal Programing error: iso9660:wb_consume()" 3643 " size=%jd, wbuff_remaining=%jd", 3644 (intmax_t)size, (intmax_t)iso9660->wbuff_remaining); 3645 return (ARCHIVE_FATAL); 3646 } 3647 iso9660->wbuff_remaining -= size; 3648 if (iso9660->wbuff_remaining < LOGICAL_BLOCK_SIZE) 3649 return (wb_write_out(a)); 3650 return (ARCHIVE_OK); 3651 } 3652 3653 #ifdef HAVE_ZLIB_H 3654 3655 static int 3656 wb_set_offset(struct archive_write *a, int64_t off) 3657 { 3658 struct iso9660 *iso9660 = (struct iso9660 *)a->format_data; 3659 int64_t used, ext_bytes; 3660 3661 if (iso9660->wbuff_type != WB_TO_TEMP) { 3662 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3663 "Internal Programing error: iso9660:wb_set_offset()"); 3664 return (ARCHIVE_FATAL); 3665 } 3666 3667 used = sizeof(iso9660->wbuff) - iso9660->wbuff_remaining; 3668 if (iso9660->wbuff_offset + used > iso9660->wbuff_tail) 3669 iso9660->wbuff_tail = iso9660->wbuff_offset + used; 3670 if (iso9660->wbuff_offset < iso9660->wbuff_written) { 3671 if (used > 0 && 3672 write_to_temp(a, iso9660->wbuff, (size_t)used) != ARCHIVE_OK) 3673 return (ARCHIVE_FATAL); 3674 iso9660->wbuff_offset = iso9660->wbuff_written; 3675 lseek(iso9660->temp_fd, iso9660->wbuff_offset, SEEK_SET); 3676 iso9660->wbuff_remaining = sizeof(iso9660->wbuff); 3677 used = 0; 3678 } 3679 if (off < iso9660->wbuff_offset) { 3680 /* 3681 * Write out waiting data. 3682 */ 3683 if (used > 0) { 3684 if (wb_write_out(a) != ARCHIVE_OK) 3685 return (ARCHIVE_FATAL); 3686 } 3687 lseek(iso9660->temp_fd, off, SEEK_SET); 3688 iso9660->wbuff_offset = off; 3689 iso9660->wbuff_remaining = sizeof(iso9660->wbuff); 3690 } else if (off <= iso9660->wbuff_tail) { 3691 iso9660->wbuff_remaining = (size_t) 3692 (sizeof(iso9660->wbuff) - (off - iso9660->wbuff_offset)); 3693 } else { 3694 ext_bytes = off - iso9660->wbuff_tail; 3695 iso9660->wbuff_remaining = (size_t)(sizeof(iso9660->wbuff) 3696 - (iso9660->wbuff_tail - iso9660->wbuff_offset)); 3697 while (ext_bytes >= (int64_t)iso9660->wbuff_remaining) { 3698 if (write_null(a, (size_t)iso9660->wbuff_remaining) 3699 != ARCHIVE_OK) 3700 return (ARCHIVE_FATAL); 3701 ext_bytes -= iso9660->wbuff_remaining; 3702 } 3703 if (ext_bytes > 0) { 3704 if (write_null(a, (size_t)ext_bytes) != ARCHIVE_OK) 3705 return (ARCHIVE_FATAL); 3706 } 3707 } 3708 return (ARCHIVE_OK); 3709 } 3710 3711 #endif /* HAVE_ZLIB_H */ 3712 3713 static int 3714 write_null(struct archive_write *a, size_t size) 3715 { 3716 size_t remaining; 3717 unsigned char *p, *old; 3718 int r; 3719 3720 remaining = wb_remaining(a); 3721 p = wb_buffptr(a); 3722 if (size <= remaining) { 3723 memset(p, 0, size); 3724 return (wb_consume(a, size)); 3725 } 3726 memset(p, 0, remaining); 3727 r = wb_consume(a, remaining); 3728 if (r != ARCHIVE_OK) 3729 return (r); 3730 size -= remaining; 3731 old = p; 3732 p = wb_buffptr(a); 3733 memset(p, 0, old - p); 3734 remaining = wb_remaining(a); 3735 while (size) { 3736 size_t wsize = size; 3737 3738 if (wsize > remaining) 3739 wsize = remaining; 3740 r = wb_consume(a, wsize); 3741 if (r != ARCHIVE_OK) 3742 return (r); 3743 size -= wsize; 3744 } 3745 return (ARCHIVE_OK); 3746 } 3747 3748 /* 3749 * Write Volume Descriptor Set Terminator 3750 */ 3751 static int 3752 write_VD_terminator(struct archive_write *a) 3753 { 3754 unsigned char *bp; 3755 3756 bp = wb_buffptr(a) -1; 3757 set_VD_bp(bp, VDT_TERMINATOR, 1); 3758 set_unused_field_bp(bp, 8, LOGICAL_BLOCK_SIZE); 3759 3760 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 3761 } 3762 3763 static int 3764 set_file_identifier(unsigned char *bp, int from, int to, enum vdc vdc, 3765 struct archive_write *a, struct vdd *vdd, struct archive_string *id, 3766 const char *label, int leading_under, enum char_type char_type) 3767 { 3768 char identifier[256]; 3769 struct isoent *isoent; 3770 const char *ids; 3771 size_t len; 3772 int r; 3773 3774 if (id->length > 0 && leading_under && id->s[0] != '_') { 3775 if (char_type == A_CHAR) 3776 r = set_str_a_characters_bp(a, bp, from, to, id->s, vdc); 3777 else 3778 r = set_str_d_characters_bp(a, bp, from, to, id->s, vdc); 3779 } else if (id->length > 0) { 3780 ids = id->s; 3781 if (leading_under) 3782 ids++; 3783 isoent = isoent_find_entry(vdd->rootent, ids); 3784 if (isoent == NULL) { 3785 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3786 "Not Found %s `%s'.", 3787 label, ids); 3788 return (ARCHIVE_FATAL); 3789 } 3790 len = isoent->ext_off + isoent->ext_len; 3791 if (vdd->vdd_type == VDD_JOLIET) { 3792 if (len > sizeof(identifier)-2) 3793 len = sizeof(identifier)-2; 3794 } else { 3795 if (len > sizeof(identifier)-1) 3796 len = sizeof(identifier)-1; 3797 } 3798 memcpy(identifier, isoent->identifier, len); 3799 identifier[len] = '\0'; 3800 if (vdd->vdd_type == VDD_JOLIET) { 3801 identifier[len+1] = 0; 3802 vdc = VDC_UCS2_DIRECT; 3803 } 3804 if (char_type == A_CHAR) 3805 r = set_str_a_characters_bp(a, bp, from, to, 3806 identifier, vdc); 3807 else 3808 r = set_str_d_characters_bp(a, bp, from, to, 3809 identifier, vdc); 3810 } else { 3811 if (char_type == A_CHAR) 3812 r = set_str_a_characters_bp(a, bp, from, to, NULL, vdc); 3813 else 3814 r = set_str_d_characters_bp(a, bp, from, to, NULL, vdc); 3815 } 3816 return (r); 3817 } 3818 3819 /* 3820 * Write Primary/Supplementary Volume Descriptor 3821 */ 3822 static int 3823 write_VD(struct archive_write *a, struct vdd *vdd) 3824 { 3825 struct iso9660 *iso9660; 3826 unsigned char *bp; 3827 uint16_t volume_set_size = 1; 3828 char identifier[256]; 3829 enum VD_type vdt; 3830 enum vdc vdc; 3831 unsigned char vd_ver, fst_ver; 3832 int r; 3833 3834 iso9660 = a->format_data; 3835 switch (vdd->vdd_type) { 3836 case VDD_JOLIET: 3837 vdt = VDT_SUPPLEMENTARY; 3838 vd_ver = fst_ver = 1; 3839 vdc = VDC_UCS2; 3840 break; 3841 case VDD_ENHANCED: 3842 vdt = VDT_SUPPLEMENTARY; 3843 vd_ver = fst_ver = 2; 3844 vdc = VDC_LOWERCASE; 3845 break; 3846 case VDD_PRIMARY: 3847 default: 3848 vdt = VDT_PRIMARY; 3849 vd_ver = fst_ver = 1; 3850 #ifdef COMPAT_MKISOFS 3851 vdc = VDC_LOWERCASE; 3852 #else 3853 vdc = VDC_STD; 3854 #endif 3855 break; 3856 } 3857 3858 bp = wb_buffptr(a) -1; 3859 /* Volume Descriptor Type */ 3860 set_VD_bp(bp, vdt, vd_ver); 3861 /* Unused Field */ 3862 set_unused_field_bp(bp, 8, 8); 3863 /* System Identifier */ 3864 get_system_identitier(identifier, sizeof(identifier)); 3865 r = set_str_a_characters_bp(a, bp, 9, 40, identifier, vdc); 3866 if (r != ARCHIVE_OK) 3867 return (r); 3868 /* Volume Identifier */ 3869 r = set_str_d_characters_bp(a, bp, 41, 72, 3870 iso9660->volume_identifier.s, vdc); 3871 if (r != ARCHIVE_OK) 3872 return (r); 3873 /* Unused Field */ 3874 set_unused_field_bp(bp, 73, 80); 3875 /* Volume Space Size */ 3876 set_num_733(bp+81, iso9660->volume_space_size); 3877 if (vdd->vdd_type == VDD_JOLIET) { 3878 /* Escape Sequences */ 3879 bp[89] = 0x25;/* UCS-2 Level 3 */ 3880 bp[90] = 0x2F; 3881 bp[91] = 0x45; 3882 memset(bp + 92, 0, 120 - 92 + 1); 3883 } else { 3884 /* Unused Field */ 3885 set_unused_field_bp(bp, 89, 120); 3886 } 3887 /* Volume Set Size */ 3888 set_num_723(bp+121, volume_set_size); 3889 /* Volume Sequence Number */ 3890 set_num_723(bp+125, iso9660->volume_sequence_number); 3891 /* Logical Block Size */ 3892 set_num_723(bp+129, LOGICAL_BLOCK_SIZE); 3893 /* Path Table Size */ 3894 set_num_733(bp+133, vdd->path_table_size); 3895 /* Location of Occurrence of Type L Path Table */ 3896 set_num_731(bp+141, vdd->location_type_L_path_table); 3897 /* Location of Optional Occurrence of Type L Path Table */ 3898 set_num_731(bp+145, 0); 3899 /* Location of Occurrence of Type M Path Table */ 3900 set_num_732(bp+149, vdd->location_type_M_path_table); 3901 /* Location of Optional Occurrence of Type M Path Table */ 3902 set_num_732(bp+153, 0); 3903 /* Directory Record for Root Directory(BP 157 to 190) */ 3904 set_directory_record(bp+157, 190-157+1, vdd->rootent, 3905 iso9660, DIR_REC_VD, vdd->vdd_type); 3906 /* Volume Set Identifier */ 3907 r = set_str_d_characters_bp(a, bp, 191, 318, "", vdc); 3908 if (r != ARCHIVE_OK) 3909 return (r); 3910 /* Publisher Identifier */ 3911 r = set_file_identifier(bp, 319, 446, vdc, a, vdd, 3912 &(iso9660->publisher_identifier), 3913 "Publisher File", 1, A_CHAR); 3914 if (r != ARCHIVE_OK) 3915 return (r); 3916 /* Data Preparer Identifier */ 3917 r = set_file_identifier(bp, 447, 574, vdc, a, vdd, 3918 &(iso9660->data_preparer_identifier), 3919 "Data Preparer File", 1, A_CHAR); 3920 if (r != ARCHIVE_OK) 3921 return (r); 3922 /* Application Identifier */ 3923 r = set_file_identifier(bp, 575, 702, vdc, a, vdd, 3924 &(iso9660->application_identifier), 3925 "Application File", 1, A_CHAR); 3926 if (r != ARCHIVE_OK) 3927 return (r); 3928 /* Copyright File Identifier */ 3929 r = set_file_identifier(bp, 703, 739, vdc, a, vdd, 3930 &(iso9660->copyright_file_identifier), 3931 "Copyright File", 0, D_CHAR); 3932 if (r != ARCHIVE_OK) 3933 return (r); 3934 /* Abstract File Identifier */ 3935 r = set_file_identifier(bp, 740, 776, vdc, a, vdd, 3936 &(iso9660->abstract_file_identifier), 3937 "Abstract File", 0, D_CHAR); 3938 if (r != ARCHIVE_OK) 3939 return (r); 3940 /* Bibliongraphic File Identifier */ 3941 r = set_file_identifier(bp, 777, 813, vdc, a, vdd, 3942 &(iso9660->bibliographic_file_identifier), 3943 "Bibliongraphic File", 0, D_CHAR); 3944 if (r != ARCHIVE_OK) 3945 return (r); 3946 /* Volume Creation Date and Time */ 3947 set_date_time(bp+814, iso9660->birth_time); 3948 /* Volume Modification Date and Time */ 3949 set_date_time(bp+831, iso9660->birth_time); 3950 /* Volume Expiration Date and Time(obsolete) */ 3951 set_date_time_null(bp+848); 3952 /* Volume Effective Date and Time */ 3953 set_date_time(bp+865, iso9660->birth_time); 3954 /* File Structure Version */ 3955 bp[882] = fst_ver; 3956 /* Reserved */ 3957 bp[883] = 0; 3958 /* Application Use */ 3959 memset(bp + 884, 0x20, 1395 - 884 + 1); 3960 /* Reserved */ 3961 set_unused_field_bp(bp, 1396, LOGICAL_BLOCK_SIZE); 3962 3963 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 3964 } 3965 3966 /* 3967 * Write Boot Record Volume Descriptor 3968 */ 3969 static int 3970 write_VD_boot_record(struct archive_write *a) 3971 { 3972 struct iso9660 *iso9660; 3973 unsigned char *bp; 3974 3975 iso9660 = a->format_data; 3976 bp = wb_buffptr(a) -1; 3977 /* Volume Descriptor Type */ 3978 set_VD_bp(bp, VDT_BOOT_RECORD, 1); 3979 /* Boot System Identifier */ 3980 memcpy(bp+8, "EL TORITO SPECIFICATION", 23); 3981 set_unused_field_bp(bp, 8+23, 39); 3982 /* Unused */ 3983 set_unused_field_bp(bp, 40, 71); 3984 /* Absolute pointer to first sector of Boot Catalog */ 3985 set_num_731(bp+72, 3986 iso9660->el_torito.catalog->file->content.location); 3987 /* Unused */ 3988 set_unused_field_bp(bp, 76, LOGICAL_BLOCK_SIZE); 3989 3990 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 3991 } 3992 3993 enum keytype { 3994 KEY_FLG, 3995 KEY_STR, 3996 KEY_INT, 3997 KEY_HEX, 3998 }; 3999 static void 4000 set_option_info(struct archive_string *info, int *opt, const char *key, 4001 enum keytype type, ...) 4002 { 4003 va_list ap; 4004 char prefix; 4005 const char *s; 4006 int d; 4007 4008 prefix = (*opt==0)? ' ':','; 4009 va_start(ap, type); 4010 switch (type) { 4011 case KEY_FLG: 4012 d = va_arg(ap, int); 4013 archive_string_sprintf(info, "%c%s%s", 4014 prefix, (d == 0)?"!":"", key); 4015 break; 4016 case KEY_STR: 4017 s = va_arg(ap, const char *); 4018 archive_string_sprintf(info, "%c%s=%s", 4019 prefix, key, s); 4020 break; 4021 case KEY_INT: 4022 d = va_arg(ap, int); 4023 archive_string_sprintf(info, "%c%s=%d", 4024 prefix, key, d); 4025 break; 4026 case KEY_HEX: 4027 d = va_arg(ap, int); 4028 archive_string_sprintf(info, "%c%s=%x", 4029 prefix, key, d); 4030 break; 4031 } 4032 va_end(ap); 4033 4034 *opt = 1; 4035 } 4036 4037 /* 4038 * Make Non-ISO File System Information 4039 */ 4040 static int 4041 write_information_block(struct archive_write *a) 4042 { 4043 struct iso9660 *iso9660; 4044 char buf[128]; 4045 const char *v; 4046 int opt, r; 4047 struct archive_string info; 4048 size_t info_size = LOGICAL_BLOCK_SIZE * 4049 NON_ISO_FILE_SYSTEM_INFORMATION_BLOCK; 4050 4051 iso9660 = (struct iso9660 *)a->format_data; 4052 if (info_size > wb_remaining(a)) { 4053 r = wb_write_out(a); 4054 if (r != ARCHIVE_OK) 4055 return (r); 4056 } 4057 archive_string_init(&info); 4058 if (archive_string_ensure(&info, info_size) == NULL) { 4059 archive_set_error(&a->archive, ENOMEM, 4060 "Can't allocate memory"); 4061 return (ARCHIVE_FATAL); 4062 } 4063 memset(info.s, 0, info_size); 4064 opt = 0; 4065 #if defined(HAVE__CTIME64_S) 4066 _ctime64_s(buf, sizeof(buf), &(iso9660->birth_time)); 4067 #elif defined(HAVE_CTIME_R) 4068 ctime_r(&(iso9660->birth_time), buf); 4069 #else 4070 strncpy(buf, ctime(&(iso9660->birth_time)), sizeof(buf)-1); 4071 buf[sizeof(buf)-1] = '\0'; 4072 #endif 4073 archive_string_sprintf(&info, 4074 "INFO %s%s", buf, archive_version_string()); 4075 if (iso9660->opt.abstract_file != OPT_ABSTRACT_FILE_DEFAULT) 4076 set_option_info(&info, &opt, "abstract-file", 4077 KEY_STR, iso9660->abstract_file_identifier.s); 4078 if (iso9660->opt.application_id != OPT_APPLICATION_ID_DEFAULT) 4079 set_option_info(&info, &opt, "application-id", 4080 KEY_STR, iso9660->application_identifier.s); 4081 if (iso9660->opt.allow_vernum != OPT_ALLOW_VERNUM_DEFAULT) 4082 set_option_info(&info, &opt, "allow-vernum", 4083 KEY_FLG, iso9660->opt.allow_vernum); 4084 if (iso9660->opt.biblio_file != OPT_BIBLIO_FILE_DEFAULT) 4085 set_option_info(&info, &opt, "biblio-file", 4086 KEY_STR, iso9660->bibliographic_file_identifier.s); 4087 if (iso9660->opt.boot != OPT_BOOT_DEFAULT) 4088 set_option_info(&info, &opt, "boot", 4089 KEY_STR, iso9660->el_torito.boot_filename.s); 4090 if (iso9660->opt.boot_catalog != OPT_BOOT_CATALOG_DEFAULT) 4091 set_option_info(&info, &opt, "boot-catalog", 4092 KEY_STR, iso9660->el_torito.catalog_filename.s); 4093 if (iso9660->opt.boot_info_table != OPT_BOOT_INFO_TABLE_DEFAULT) 4094 set_option_info(&info, &opt, "boot-info-table", 4095 KEY_FLG, iso9660->opt.boot_info_table); 4096 if (iso9660->opt.boot_load_seg != OPT_BOOT_LOAD_SEG_DEFAULT) 4097 set_option_info(&info, &opt, "boot-load-seg", 4098 KEY_HEX, iso9660->el_torito.boot_load_seg); 4099 if (iso9660->opt.boot_load_size != OPT_BOOT_LOAD_SIZE_DEFAULT) 4100 set_option_info(&info, &opt, "boot-load-size", 4101 KEY_INT, iso9660->el_torito.boot_load_size); 4102 if (iso9660->opt.boot_type != OPT_BOOT_TYPE_DEFAULT) { 4103 v = "no-emulation"; 4104 if (iso9660->opt.boot_type == OPT_BOOT_TYPE_FD) 4105 v = "fd"; 4106 if (iso9660->opt.boot_type == OPT_BOOT_TYPE_HARD_DISK) 4107 v = "hard-disk"; 4108 set_option_info(&info, &opt, "boot-type", 4109 KEY_STR, v); 4110 } 4111 #ifdef HAVE_ZLIB_H 4112 if (iso9660->opt.compression_level != OPT_COMPRESSION_LEVEL_DEFAULT) 4113 set_option_info(&info, &opt, "compression-level", 4114 KEY_INT, iso9660->zisofs.compression_level); 4115 #endif 4116 if (iso9660->opt.copyright_file != OPT_COPYRIGHT_FILE_DEFAULT) 4117 set_option_info(&info, &opt, "copyright-file", 4118 KEY_STR, iso9660->copyright_file_identifier.s); 4119 if (iso9660->opt.iso_level != OPT_ISO_LEVEL_DEFAULT) 4120 set_option_info(&info, &opt, "iso-level", 4121 KEY_INT, iso9660->opt.iso_level); 4122 if (iso9660->opt.joliet != OPT_JOLIET_DEFAULT) { 4123 if (iso9660->opt.joliet == OPT_JOLIET_LONGNAME) 4124 set_option_info(&info, &opt, "joliet", 4125 KEY_STR, "long"); 4126 else 4127 set_option_info(&info, &opt, "joliet", 4128 KEY_FLG, iso9660->opt.joliet); 4129 } 4130 if (iso9660->opt.limit_depth != OPT_LIMIT_DEPTH_DEFAULT) 4131 set_option_info(&info, &opt, "limit-depth", 4132 KEY_FLG, iso9660->opt.limit_depth); 4133 if (iso9660->opt.limit_dirs != OPT_LIMIT_DIRS_DEFAULT) 4134 set_option_info(&info, &opt, "limit-dirs", 4135 KEY_FLG, iso9660->opt.limit_dirs); 4136 if (iso9660->opt.pad != OPT_PAD_DEFAULT) 4137 set_option_info(&info, &opt, "pad", 4138 KEY_FLG, iso9660->opt.pad); 4139 if (iso9660->opt.publisher != OPT_PUBLISHER_DEFAULT) 4140 set_option_info(&info, &opt, "publisher", 4141 KEY_STR, iso9660->publisher_identifier.s); 4142 if (iso9660->opt.rr != OPT_RR_DEFAULT) { 4143 if (iso9660->opt.rr == OPT_RR_DISABLED) 4144 set_option_info(&info, &opt, "rockridge", 4145 KEY_FLG, iso9660->opt.rr); 4146 else if (iso9660->opt.rr == OPT_RR_STRICT) 4147 set_option_info(&info, &opt, "rockridge", 4148 KEY_STR, "strict"); 4149 else if (iso9660->opt.rr == OPT_RR_USEFUL) 4150 set_option_info(&info, &opt, "rockridge", 4151 KEY_STR, "useful"); 4152 } 4153 if (iso9660->opt.volume_id != OPT_VOLUME_ID_DEFAULT) 4154 set_option_info(&info, &opt, "volume-id", 4155 KEY_STR, iso9660->volume_identifier.s); 4156 if (iso9660->opt.zisofs != OPT_ZISOFS_DEFAULT) 4157 set_option_info(&info, &opt, "zisofs", 4158 KEY_FLG, iso9660->opt.zisofs); 4159 4160 memcpy(wb_buffptr(a), info.s, info_size); 4161 archive_string_free(&info); 4162 return (wb_consume(a, info_size)); 4163 } 4164 4165 static int 4166 write_rr_ER(struct archive_write *a) 4167 { 4168 unsigned char *p; 4169 4170 p = wb_buffptr(a); 4171 4172 memset(p, 0, LOGICAL_BLOCK_SIZE); 4173 p[0] = 'E'; 4174 p[1] = 'R'; 4175 p[3] = 0x01; 4176 p[2] = RRIP_ER_SIZE; 4177 p[4] = RRIP_ER_ID_SIZE; 4178 p[5] = RRIP_ER_DSC_SIZE; 4179 p[6] = RRIP_ER_SRC_SIZE; 4180 p[7] = 0x01; 4181 memcpy(&p[8], rrip_identifier, p[4]); 4182 memcpy(&p[8+p[4]], rrip_descriptor, p[5]); 4183 memcpy(&p[8+p[4]+p[5]], rrip_source, p[6]); 4184 4185 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 4186 } 4187 4188 static void 4189 calculate_path_table_size(struct vdd *vdd) 4190 { 4191 int depth, size; 4192 struct path_table *pt; 4193 4194 pt = vdd->pathtbl; 4195 size = 0; 4196 for (depth = 0; depth < vdd->max_depth; depth++) { 4197 struct isoent **ptbl; 4198 int i, cnt; 4199 4200 if ((cnt = pt[depth].cnt) == 0) 4201 break; 4202 4203 ptbl = pt[depth].sorted; 4204 for (i = 0; i < cnt; i++) { 4205 int len; 4206 4207 if (ptbl[i]->identifier == NULL) 4208 len = 1; /* root directory */ 4209 else 4210 len = ptbl[i]->id_len; 4211 if (len & 0x01) 4212 len++; /* Padding Field */ 4213 size += 8 + len; 4214 } 4215 } 4216 vdd->path_table_size = size; 4217 vdd->path_table_block = 4218 ((size + PATH_TABLE_BLOCK_SIZE -1) / 4219 PATH_TABLE_BLOCK_SIZE) * 4220 (PATH_TABLE_BLOCK_SIZE / LOGICAL_BLOCK_SIZE); 4221 } 4222 4223 static int 4224 _write_path_table(struct archive_write *a, int type_m, int depth, 4225 struct vdd *vdd) 4226 { 4227 unsigned char *bp, *wb; 4228 struct isoent **ptbl; 4229 size_t wbremaining; 4230 int i, r, wsize; 4231 4232 if (vdd->pathtbl[depth].cnt == 0) 4233 return (0); 4234 4235 wsize = 0; 4236 wb = wb_buffptr(a); 4237 wbremaining = wb_remaining(a); 4238 bp = wb - 1; 4239 ptbl = vdd->pathtbl[depth].sorted; 4240 for (i = 0; i < vdd->pathtbl[depth].cnt; i++) { 4241 struct isoent *np; 4242 size_t len; 4243 4244 np = ptbl[i]; 4245 if (np->identifier == NULL) 4246 len = 1; /* root directory */ 4247 else 4248 len = np->id_len; 4249 if (wbremaining - ((bp+1) - wb) < (len + 1 + 8)) { 4250 r = wb_consume(a, (bp+1) - wb); 4251 if (r < 0) 4252 return (r); 4253 wb = wb_buffptr(a); 4254 wbremaining = wb_remaining(a); 4255 bp = wb -1; 4256 } 4257 /* Length of Directory Identifier */ 4258 set_num_711(bp+1, (unsigned char)len); 4259 /* Extended Attribute Record Length */ 4260 set_num_711(bp+2, 0); 4261 /* Location of Extent */ 4262 if (type_m) 4263 set_num_732(bp+3, np->dir_location); 4264 else 4265 set_num_731(bp+3, np->dir_location); 4266 /* Parent Directory Number */ 4267 if (type_m) 4268 set_num_722(bp+7, np->parent->dir_number); 4269 else 4270 set_num_721(bp+7, np->parent->dir_number); 4271 /* Directory Identifier */ 4272 if (np->identifier == NULL) 4273 bp[9] = 0; 4274 else 4275 memcpy(&bp[9], np->identifier, len); 4276 if (len & 0x01) { 4277 /* Padding Field */ 4278 bp[9+len] = 0; 4279 len++; 4280 } 4281 wsize += 8 + (int)len; 4282 bp += 8 + len; 4283 } 4284 if ((bp + 1) > wb) { 4285 r = wb_consume(a, (bp+1)-wb); 4286 if (r < 0) 4287 return (r); 4288 } 4289 return (wsize); 4290 } 4291 4292 static int 4293 write_path_table(struct archive_write *a, int type_m, struct vdd *vdd) 4294 { 4295 int depth, r; 4296 size_t path_table_size; 4297 4298 r = ARCHIVE_OK; 4299 path_table_size = 0; 4300 for (depth = 0; depth < vdd->max_depth; depth++) { 4301 r = _write_path_table(a, type_m, depth, vdd); 4302 if (r < 0) 4303 return (r); 4304 path_table_size += r; 4305 } 4306 4307 /* Write padding data. */ 4308 path_table_size = path_table_size % PATH_TABLE_BLOCK_SIZE; 4309 if (path_table_size > 0) 4310 r = write_null(a, PATH_TABLE_BLOCK_SIZE - path_table_size); 4311 return (r); 4312 } 4313 4314 static int 4315 calculate_directory_descriptors(struct iso9660 *iso9660, struct vdd *vdd, 4316 struct isoent *isoent, int depth) 4317 { 4318 struct isoent **enttbl; 4319 int bs, block, i; 4320 4321 block = 1; 4322 bs = get_dir_rec_size(iso9660, isoent, DIR_REC_SELF, vdd->vdd_type); 4323 bs += get_dir_rec_size(iso9660, isoent, DIR_REC_PARENT, vdd->vdd_type); 4324 4325 if (isoent->children.cnt <= 0 || (vdd->vdd_type != VDD_JOLIET && 4326 !iso9660->opt.rr && depth + 1 >= vdd->max_depth)) 4327 return (block); 4328 4329 enttbl = isoent->children_sorted; 4330 for (i = 0; i < isoent->children.cnt; i++) { 4331 struct isoent *np = enttbl[i]; 4332 struct isofile *file; 4333 4334 file = np->file; 4335 if (file->hardlink_target != NULL) 4336 file = file->hardlink_target; 4337 file->cur_content = &(file->content); 4338 do { 4339 int dr_l; 4340 4341 dr_l = get_dir_rec_size(iso9660, np, DIR_REC_NORMAL, 4342 vdd->vdd_type); 4343 if ((bs + dr_l) > LOGICAL_BLOCK_SIZE) { 4344 block ++; 4345 bs = dr_l; 4346 } else 4347 bs += dr_l; 4348 file->cur_content = file->cur_content->next; 4349 } while (file->cur_content != NULL); 4350 } 4351 return (block); 4352 } 4353 4354 static int 4355 _write_directory_descriptors(struct archive_write *a, struct vdd *vdd, 4356 struct isoent *isoent, int depth) 4357 { 4358 struct iso9660 *iso9660 = a->format_data; 4359 struct isoent **enttbl; 4360 unsigned char *p, *wb; 4361 int i, r; 4362 int dr_l; 4363 4364 p = wb = wb_buffptr(a); 4365 #define WD_REMAINING (LOGICAL_BLOCK_SIZE - (p - wb)) 4366 p += set_directory_record(p, WD_REMAINING, isoent, 4367 iso9660, DIR_REC_SELF, vdd->vdd_type); 4368 p += set_directory_record(p, WD_REMAINING, isoent, 4369 iso9660, DIR_REC_PARENT, vdd->vdd_type); 4370 4371 if (isoent->children.cnt <= 0 || (vdd->vdd_type != VDD_JOLIET && 4372 !iso9660->opt.rr && depth + 1 >= vdd->max_depth)) { 4373 memset(p, 0, WD_REMAINING); 4374 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 4375 } 4376 4377 enttbl = isoent->children_sorted; 4378 for (i = 0; i < isoent->children.cnt; i++) { 4379 struct isoent *np = enttbl[i]; 4380 struct isofile *file = np->file; 4381 4382 if (file->hardlink_target != NULL) 4383 file = file->hardlink_target; 4384 file->cur_content = &(file->content); 4385 do { 4386 dr_l = set_directory_record(p, WD_REMAINING, 4387 np, iso9660, DIR_REC_NORMAL, 4388 vdd->vdd_type); 4389 if (dr_l == 0) { 4390 memset(p, 0, WD_REMAINING); 4391 r = wb_consume(a, LOGICAL_BLOCK_SIZE); 4392 if (r < 0) 4393 return (r); 4394 p = wb = wb_buffptr(a); 4395 dr_l = set_directory_record(p, 4396 WD_REMAINING, np, iso9660, 4397 DIR_REC_NORMAL, vdd->vdd_type); 4398 } 4399 p += dr_l; 4400 file->cur_content = file->cur_content->next; 4401 } while (file->cur_content != NULL); 4402 } 4403 memset(p, 0, WD_REMAINING); 4404 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 4405 } 4406 4407 static int 4408 write_directory_descriptors(struct archive_write *a, struct vdd *vdd) 4409 { 4410 struct isoent *np; 4411 int depth, r; 4412 4413 depth = 0; 4414 np = vdd->rootent; 4415 do { 4416 struct extr_rec *extr; 4417 4418 r = _write_directory_descriptors(a, vdd, np, depth); 4419 if (r < 0) 4420 return (r); 4421 if (vdd->vdd_type != VDD_JOLIET) { 4422 /* 4423 * This extract record is used by SUSP,RRIP. 4424 * Not for joliet. 4425 */ 4426 for (extr = np->extr_rec_list.first; 4427 extr != NULL; 4428 extr = extr->next) { 4429 unsigned char *wb; 4430 4431 wb = wb_buffptr(a); 4432 memcpy(wb, extr->buf, extr->offset); 4433 memset(wb + extr->offset, 0, 4434 LOGICAL_BLOCK_SIZE - extr->offset); 4435 r = wb_consume(a, LOGICAL_BLOCK_SIZE); 4436 if (r < 0) 4437 return (r); 4438 } 4439 } 4440 4441 if (np->subdirs.first != NULL && depth + 1 < vdd->max_depth) { 4442 /* Enter to sub directories. */ 4443 np = np->subdirs.first; 4444 depth++; 4445 continue; 4446 } 4447 while (np != np->parent) { 4448 if (np->drnext == NULL) { 4449 /* Return to the parent directory. */ 4450 np = np->parent; 4451 depth--; 4452 } else { 4453 np = np->drnext; 4454 break; 4455 } 4456 } 4457 } while (np != np->parent); 4458 4459 return (ARCHIVE_OK); 4460 } 4461 4462 /* 4463 * Read file contents from the temporary file, and write it. 4464 */ 4465 static int 4466 write_file_contents(struct archive_write *a, int64_t offset, int64_t size) 4467 { 4468 struct iso9660 *iso9660 = a->format_data; 4469 int r; 4470 4471 lseek(iso9660->temp_fd, offset, SEEK_SET); 4472 4473 while (size) { 4474 size_t rsize; 4475 ssize_t rs; 4476 unsigned char *wb; 4477 4478 wb = wb_buffptr(a); 4479 rsize = wb_remaining(a); 4480 if (rsize > (size_t)size) 4481 rsize = (size_t)size; 4482 rs = read(iso9660->temp_fd, wb, rsize); 4483 if (rs <= 0) { 4484 archive_set_error(&a->archive, errno, 4485 "Can't read temporary file(%jd)", (intmax_t)rs); 4486 return (ARCHIVE_FATAL); 4487 } 4488 size -= rs; 4489 r = wb_consume(a, rs); 4490 if (r < 0) 4491 return (r); 4492 } 4493 return (ARCHIVE_OK); 4494 } 4495 4496 static int 4497 write_file_descriptors(struct archive_write *a) 4498 { 4499 struct iso9660 *iso9660 = a->format_data; 4500 struct isofile *file; 4501 int64_t blocks, offset; 4502 int r; 4503 4504 blocks = 0; 4505 offset = 0; 4506 4507 /* Make the boot catalog contents, and write it. */ 4508 if (iso9660->el_torito.catalog != NULL) { 4509 r = make_boot_catalog(a); 4510 if (r < 0) 4511 return (r); 4512 } 4513 4514 /* Write the boot file contents. */ 4515 if (iso9660->el_torito.boot != NULL) { 4516 file = iso9660->el_torito.boot->file; 4517 blocks = file->content.blocks; 4518 offset = file->content.offset_of_temp; 4519 if (offset != 0) { 4520 r = write_file_contents(a, offset, 4521 blocks << LOGICAL_BLOCK_BITS); 4522 if (r < 0) 4523 return (r); 4524 blocks = 0; 4525 offset = 0; 4526 } 4527 } 4528 4529 /* Write out all file contents. */ 4530 for (file = iso9660->data_file_list.first; 4531 file != NULL; file = file->datanext) { 4532 4533 if (!file->write_content) 4534 continue; 4535 4536 if ((offset + (blocks << LOGICAL_BLOCK_BITS)) < 4537 file->content.offset_of_temp) { 4538 if (blocks > 0) { 4539 r = write_file_contents(a, offset, 4540 blocks << LOGICAL_BLOCK_BITS); 4541 if (r < 0) 4542 return (r); 4543 } 4544 blocks = 0; 4545 offset = file->content.offset_of_temp; 4546 } 4547 4548 file->cur_content = &(file->content); 4549 do { 4550 blocks += file->cur_content->blocks; 4551 /* Next fragument */ 4552 file->cur_content = file->cur_content->next; 4553 } while (file->cur_content != NULL); 4554 } 4555 4556 /* Flush out remaining blocks. */ 4557 if (blocks > 0) { 4558 r = write_file_contents(a, offset, 4559 blocks << LOGICAL_BLOCK_BITS); 4560 if (r < 0) 4561 return (r); 4562 } 4563 4564 return (ARCHIVE_OK); 4565 } 4566 4567 static void 4568 isofile_init_entry_list(struct iso9660 *iso9660) 4569 { 4570 iso9660->all_file_list.first = NULL; 4571 iso9660->all_file_list.last = &(iso9660->all_file_list.first); 4572 } 4573 4574 static void 4575 isofile_add_entry(struct iso9660 *iso9660, struct isofile *file) 4576 { 4577 file->allnext = NULL; 4578 *iso9660->all_file_list.last = file; 4579 iso9660->all_file_list.last = &(file->allnext); 4580 } 4581 4582 static void 4583 isofile_free_all_entries(struct iso9660 *iso9660) 4584 { 4585 struct isofile *file, *file_next; 4586 4587 file = iso9660->all_file_list.first; 4588 while (file != NULL) { 4589 file_next = file->allnext; 4590 isofile_free(file); 4591 file = file_next; 4592 } 4593 } 4594 4595 static void 4596 isofile_init_entry_data_file_list(struct iso9660 *iso9660) 4597 { 4598 iso9660->data_file_list.first = NULL; 4599 iso9660->data_file_list.last = &(iso9660->data_file_list.first); 4600 } 4601 4602 static void 4603 isofile_add_data_file(struct iso9660 *iso9660, struct isofile *file) 4604 { 4605 file->datanext = NULL; 4606 *iso9660->data_file_list.last = file; 4607 iso9660->data_file_list.last = &(file->datanext); 4608 } 4609 4610 4611 static struct isofile * 4612 isofile_new(struct archive_write *a, struct archive_entry *entry) 4613 { 4614 struct isofile *file; 4615 4616 file = calloc(1, sizeof(*file)); 4617 if (file == NULL) 4618 return (NULL); 4619 4620 if (entry != NULL) 4621 file->entry = archive_entry_clone(entry); 4622 else 4623 file->entry = archive_entry_new2(&a->archive); 4624 if (file->entry == NULL) { 4625 free(file); 4626 return (NULL); 4627 } 4628 archive_string_init(&(file->parentdir)); 4629 archive_string_init(&(file->basename)); 4630 archive_string_init(&(file->basename_utf16)); 4631 archive_string_init(&(file->symlink)); 4632 file->cur_content = &(file->content); 4633 4634 return (file); 4635 } 4636 4637 static void 4638 isofile_free(struct isofile *file) 4639 { 4640 struct content *con, *tmp; 4641 4642 con = file->content.next; 4643 while (con != NULL) { 4644 tmp = con; 4645 con = con->next; 4646 free(tmp); 4647 } 4648 archive_entry_free(file->entry); 4649 archive_string_free(&(file->parentdir)); 4650 archive_string_free(&(file->basename)); 4651 archive_string_free(&(file->basename_utf16)); 4652 archive_string_free(&(file->symlink)); 4653 free(file); 4654 } 4655 4656 #if defined(_WIN32) || defined(__CYGWIN__) 4657 static int 4658 cleanup_backslash_1(char *p) 4659 { 4660 int mb, dos; 4661 4662 mb = dos = 0; 4663 while (*p) { 4664 if (*(unsigned char *)p > 127) 4665 mb = 1; 4666 if (*p == '\\') { 4667 /* If we have not met any multi-byte characters, 4668 * we can replace '\' with '/'. */ 4669 if (!mb) 4670 *p = '/'; 4671 dos = 1; 4672 } 4673 p++; 4674 } 4675 if (!mb || !dos) 4676 return (0); 4677 return (-1); 4678 } 4679 4680 static void 4681 cleanup_backslash_2(wchar_t *p) 4682 { 4683 4684 /* Convert a path-separator from '\' to '/' */ 4685 while (*p != L'\0') { 4686 if (*p == L'\\') 4687 *p = L'/'; 4688 p++; 4689 } 4690 } 4691 #endif 4692 4693 /* 4694 * Generate a parent directory name and a base name from a pathname. 4695 */ 4696 static int 4697 isofile_gen_utility_names(struct archive_write *a, struct isofile *file) 4698 { 4699 struct iso9660 *iso9660; 4700 const char *pathname; 4701 char *p, *dirname, *slash; 4702 size_t len; 4703 int ret = ARCHIVE_OK; 4704 4705 iso9660 = a->format_data; 4706 4707 archive_string_empty(&(file->parentdir)); 4708 archive_string_empty(&(file->basename)); 4709 archive_string_empty(&(file->basename_utf16)); 4710 archive_string_empty(&(file->symlink)); 4711 4712 pathname = archive_entry_pathname(file->entry); 4713 if (pathname == NULL || pathname[0] == '\0') {/* virtual root */ 4714 file->dircnt = 0; 4715 return (ret); 4716 } 4717 4718 /* 4719 * Make a UTF-16BE basename if Joliet extension enabled. 4720 */ 4721 if (iso9660->opt.joliet) { 4722 const char *u16, *ulast; 4723 size_t u16len, ulen_last; 4724 4725 if (iso9660->sconv_to_utf16be == NULL) { 4726 iso9660->sconv_to_utf16be = 4727 archive_string_conversion_to_charset( 4728 &(a->archive), "UTF-16BE", 1); 4729 if (iso9660->sconv_to_utf16be == NULL) 4730 /* Couldn't allocate memory */ 4731 return (ARCHIVE_FATAL); 4732 iso9660->sconv_from_utf16be = 4733 archive_string_conversion_from_charset( 4734 &(a->archive), "UTF-16BE", 1); 4735 if (iso9660->sconv_from_utf16be == NULL) 4736 /* Couldn't allocate memory */ 4737 return (ARCHIVE_FATAL); 4738 } 4739 4740 /* 4741 * Converte a filename to UTF-16BE. 4742 */ 4743 if (0 > archive_entry_pathname_l(file->entry, &u16, &u16len, 4744 iso9660->sconv_to_utf16be)) { 4745 if (errno == ENOMEM) { 4746 archive_set_error(&a->archive, ENOMEM, 4747 "Can't allocate memory for UTF-16BE"); 4748 return (ARCHIVE_FATAL); 4749 } 4750 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 4751 "A filename cannot be converted to UTF-16BE;" 4752 "You should disable making Joliet extension"); 4753 ret = ARCHIVE_WARN; 4754 } 4755 4756 /* 4757 * Make sure a path separator is not in the last; 4758 * Remove trailing '/'. 4759 */ 4760 while (u16len >= 2) { 4761 #if defined(_WIN32) || defined(__CYGWIN__) 4762 if (u16[u16len-2] == 0 && 4763 (u16[u16len-1] == '/' || u16[u16len-1] == '\\')) 4764 #else 4765 if (u16[u16len-2] == 0 && u16[u16len-1] == '/') 4766 #endif 4767 { 4768 u16len -= 2; 4769 } else 4770 break; 4771 } 4772 4773 /* 4774 * Find a basename in UTF-16BE. 4775 */ 4776 ulast = u16; 4777 u16len >>= 1; 4778 ulen_last = u16len; 4779 while (u16len > 0) { 4780 #if defined(_WIN32) || defined(__CYGWIN__) 4781 if (u16[0] == 0 && (u16[1] == '/' || u16[1] == '\\')) 4782 #else 4783 if (u16[0] == 0 && u16[1] == '/') 4784 #endif 4785 { 4786 ulast = u16 + 2; 4787 ulen_last = u16len -1; 4788 } 4789 u16 += 2; 4790 u16len --; 4791 } 4792 ulen_last <<= 1; 4793 if (archive_string_ensure(&(file->basename_utf16), 4794 ulen_last) == NULL) { 4795 archive_set_error(&a->archive, ENOMEM, 4796 "Can't allocate memory for UTF-16BE"); 4797 return (ARCHIVE_FATAL); 4798 } 4799 4800 /* 4801 * Set UTF-16BE basename. 4802 */ 4803 memcpy(file->basename_utf16.s, ulast, ulen_last); 4804 file->basename_utf16.length = ulen_last; 4805 } 4806 4807 archive_strcpy(&(file->parentdir), pathname); 4808 #if defined(_WIN32) || defined(__CYGWIN__) 4809 /* 4810 * Convert a path-separator from '\' to '/' 4811 */ 4812 if (cleanup_backslash_1(file->parentdir.s) != 0) { 4813 const wchar_t *wp = archive_entry_pathname_w(file->entry); 4814 struct archive_wstring ws; 4815 4816 if (wp != NULL) { 4817 int r; 4818 archive_string_init(&ws); 4819 archive_wstrcpy(&ws, wp); 4820 cleanup_backslash_2(ws.s); 4821 archive_string_empty(&(file->parentdir)); 4822 r = archive_string_append_from_wcs(&(file->parentdir), 4823 ws.s, ws.length); 4824 archive_wstring_free(&ws); 4825 if (r < 0 && errno == ENOMEM) { 4826 archive_set_error(&a->archive, ENOMEM, 4827 "Can't allocate memory"); 4828 return (ARCHIVE_FATAL); 4829 } 4830 } 4831 } 4832 #endif 4833 4834 len = file->parentdir.length; 4835 p = dirname = file->parentdir.s; 4836 4837 /* 4838 * Remove leading '/', '../' and './' elements 4839 */ 4840 while (*p) { 4841 if (p[0] == '/') { 4842 p++; 4843 len--; 4844 } else if (p[0] != '.') 4845 break; 4846 else if (p[1] == '.' && p[2] == '/') { 4847 p += 3; 4848 len -= 3; 4849 } else if (p[1] == '/' || (p[1] == '.' && p[2] == '\0')) { 4850 p += 2; 4851 len -= 2; 4852 } else if (p[1] == '\0') { 4853 p++; 4854 len--; 4855 } else 4856 break; 4857 } 4858 if (p != dirname) { 4859 memmove(dirname, p, len+1); 4860 p = dirname; 4861 } 4862 /* 4863 * Remove "/","/." and "/.." elements from tail. 4864 */ 4865 while (len > 0) { 4866 size_t ll = len; 4867 4868 if (len > 0 && p[len-1] == '/') { 4869 p[len-1] = '\0'; 4870 len--; 4871 } 4872 if (len > 1 && p[len-2] == '/' && p[len-1] == '.') { 4873 p[len-2] = '\0'; 4874 len -= 2; 4875 } 4876 if (len > 2 && p[len-3] == '/' && p[len-2] == '.' && 4877 p[len-1] == '.') { 4878 p[len-3] = '\0'; 4879 len -= 3; 4880 } 4881 if (ll == len) 4882 break; 4883 } 4884 while (*p) { 4885 if (p[0] == '/') { 4886 if (p[1] == '/') 4887 /* Convert '//' --> '/' */ 4888 strcpy(p, p+1); 4889 else if (p[1] == '.' && p[2] == '/') 4890 /* Convert '/./' --> '/' */ 4891 strcpy(p, p+2); 4892 else if (p[1] == '.' && p[2] == '.' && p[3] == '/') { 4893 /* Convert 'dir/dir1/../dir2/' 4894 * --> 'dir/dir2/' 4895 */ 4896 char *rp = p -1; 4897 while (rp >= dirname) { 4898 if (*rp == '/') 4899 break; 4900 --rp; 4901 } 4902 if (rp > dirname) { 4903 strcpy(rp, p+3); 4904 p = rp; 4905 } else { 4906 strcpy(dirname, p+4); 4907 p = dirname; 4908 } 4909 } else 4910 p++; 4911 } else 4912 p++; 4913 } 4914 p = dirname; 4915 len = strlen(p); 4916 4917 if (archive_entry_filetype(file->entry) == AE_IFLNK) { 4918 /* Convert symlink name too. */ 4919 pathname = archive_entry_symlink(file->entry); 4920 archive_strcpy(&(file->symlink), pathname); 4921 #if defined(_WIN32) || defined(__CYGWIN__) 4922 /* 4923 * Convert a path-separator from '\' to '/' 4924 */ 4925 if (archive_strlen(&(file->symlink)) > 0 && 4926 cleanup_backslash_1(file->symlink.s) != 0) { 4927 const wchar_t *wp = 4928 archive_entry_symlink_w(file->entry); 4929 struct archive_wstring ws; 4930 4931 if (wp != NULL) { 4932 int r; 4933 archive_string_init(&ws); 4934 archive_wstrcpy(&ws, wp); 4935 cleanup_backslash_2(ws.s); 4936 archive_string_empty(&(file->symlink)); 4937 r = archive_string_append_from_wcs( 4938 &(file->symlink), 4939 ws.s, ws.length); 4940 archive_wstring_free(&ws); 4941 if (r < 0 && errno == ENOMEM) { 4942 archive_set_error(&a->archive, ENOMEM, 4943 "Can't allocate memory"); 4944 return (ARCHIVE_FATAL); 4945 } 4946 } 4947 } 4948 #endif 4949 } 4950 /* 4951 * - Count up directory elements. 4952 * - Find out the position which points the last position of 4953 * path separator('/'). 4954 */ 4955 slash = NULL; 4956 file->dircnt = 0; 4957 for (; *p != '\0'; p++) 4958 if (*p == '/') { 4959 slash = p; 4960 file->dircnt++; 4961 } 4962 if (slash == NULL) { 4963 /* The pathname doesn't have a parent directory. */ 4964 file->parentdir.length = len; 4965 archive_string_copy(&(file->basename), &(file->parentdir)); 4966 archive_string_empty(&(file->parentdir)); 4967 *file->parentdir.s = '\0'; 4968 return (ret); 4969 } 4970 4971 /* Make a basename from dirname and slash */ 4972 *slash = '\0'; 4973 file->parentdir.length = slash - dirname; 4974 archive_strcpy(&(file->basename), slash + 1); 4975 if (archive_entry_filetype(file->entry) == AE_IFDIR) 4976 file->dircnt ++; 4977 return (ret); 4978 } 4979 4980 /* 4981 * Register a entry to get a hardlink target. 4982 */ 4983 static int 4984 isofile_register_hardlink(struct archive_write *a, struct isofile *file) 4985 { 4986 struct iso9660 *iso9660 = a->format_data; 4987 struct hardlink *hl; 4988 const char *pathname; 4989 4990 archive_entry_set_nlink(file->entry, 1); 4991 pathname = archive_entry_hardlink(file->entry); 4992 if (pathname == NULL) { 4993 /* This `file` is a hardlink target. */ 4994 hl = malloc(sizeof(*hl)); 4995 if (hl == NULL) { 4996 archive_set_error(&a->archive, ENOMEM, 4997 "Can't allocate memory"); 4998 return (ARCHIVE_FATAL); 4999 } 5000 hl->nlink = 1; 5001 /* A hardlink target must be the first position. */ 5002 file->hlnext = NULL; 5003 hl->file_list.first = file; 5004 hl->file_list.last = &(file->hlnext); 5005 __archive_rb_tree_insert_node(&(iso9660->hardlink_rbtree), 5006 (struct archive_rb_node *)hl); 5007 } else { 5008 hl = (struct hardlink *)__archive_rb_tree_find_node( 5009 &(iso9660->hardlink_rbtree), pathname); 5010 if (hl != NULL) { 5011 /* Insert `file` entry into the tail. */ 5012 file->hlnext = NULL; 5013 *hl->file_list.last = file; 5014 hl->file_list.last = &(file->hlnext); 5015 hl->nlink++; 5016 } 5017 archive_entry_unset_size(file->entry); 5018 } 5019 5020 return (ARCHIVE_OK); 5021 } 5022 5023 /* 5024 * Hardlinked files have to have the same location of extent. 5025 * We have to find out hardlink target entries for the entries 5026 * which have a hardlink target name. 5027 */ 5028 static void 5029 isofile_connect_hardlink_files(struct iso9660 *iso9660) 5030 { 5031 struct archive_rb_node *n; 5032 struct hardlink *hl; 5033 struct isofile *target, *nf; 5034 5035 ARCHIVE_RB_TREE_FOREACH(n, &(iso9660->hardlink_rbtree)) { 5036 hl = (struct hardlink *)n; 5037 5038 /* The first entry must be a hardlink target. */ 5039 target = hl->file_list.first; 5040 archive_entry_set_nlink(target->entry, hl->nlink); 5041 /* Set a hardlink target to reference entries. */ 5042 for (nf = target->hlnext; 5043 nf != NULL; nf = nf->hlnext) { 5044 nf->hardlink_target = target; 5045 archive_entry_set_nlink(nf->entry, hl->nlink); 5046 } 5047 } 5048 } 5049 5050 static int 5051 isofile_hd_cmp_node(const struct archive_rb_node *n1, 5052 const struct archive_rb_node *n2) 5053 { 5054 const struct hardlink *h1 = (const struct hardlink *)n1; 5055 const struct hardlink *h2 = (const struct hardlink *)n2; 5056 5057 return (strcmp(archive_entry_pathname(h1->file_list.first->entry), 5058 archive_entry_pathname(h2->file_list.first->entry))); 5059 } 5060 5061 static int 5062 isofile_hd_cmp_key(const struct archive_rb_node *n, const void *key) 5063 { 5064 const struct hardlink *h = (const struct hardlink *)n; 5065 5066 return (strcmp(archive_entry_pathname(h->file_list.first->entry), 5067 (const char *)key)); 5068 } 5069 5070 static void 5071 isofile_init_hardlinks(struct iso9660 *iso9660) 5072 { 5073 static const struct archive_rb_tree_ops rb_ops = { 5074 isofile_hd_cmp_node, isofile_hd_cmp_key, 5075 }; 5076 5077 __archive_rb_tree_init(&(iso9660->hardlink_rbtree), &rb_ops); 5078 } 5079 5080 static void 5081 isofile_free_hardlinks(struct iso9660 *iso9660) 5082 { 5083 struct archive_rb_node *n, *next; 5084 5085 for (n = ARCHIVE_RB_TREE_MIN(&(iso9660->hardlink_rbtree)); n;) { 5086 next = __archive_rb_tree_iterate(&(iso9660->hardlink_rbtree), 5087 n, ARCHIVE_RB_DIR_RIGHT); 5088 free(n); 5089 n = next; 5090 } 5091 } 5092 5093 static struct isoent * 5094 isoent_new(struct isofile *file) 5095 { 5096 struct isoent *isoent; 5097 static const struct archive_rb_tree_ops rb_ops = { 5098 isoent_cmp_node, isoent_cmp_key, 5099 }; 5100 5101 isoent = calloc(1, sizeof(*isoent)); 5102 if (isoent == NULL) 5103 return (NULL); 5104 isoent->file = file; 5105 isoent->children.first = NULL; 5106 isoent->children.last = &(isoent->children.first); 5107 __archive_rb_tree_init(&(isoent->rbtree), &rb_ops); 5108 isoent->subdirs.first = NULL; 5109 isoent->subdirs.last = &(isoent->subdirs.first); 5110 isoent->extr_rec_list.first = NULL; 5111 isoent->extr_rec_list.last = &(isoent->extr_rec_list.first); 5112 isoent->extr_rec_list.current = NULL; 5113 if (archive_entry_filetype(file->entry) == AE_IFDIR) 5114 isoent->dir = 1; 5115 5116 return (isoent); 5117 } 5118 5119 static inline struct isoent * 5120 isoent_clone(struct isoent *src) 5121 { 5122 return (isoent_new(src->file)); 5123 } 5124 5125 static void 5126 _isoent_free(struct isoent *isoent) 5127 { 5128 struct extr_rec *er, *er_next; 5129 5130 free(isoent->children_sorted); 5131 free(isoent->identifier); 5132 er = isoent->extr_rec_list.first; 5133 while (er != NULL) { 5134 er_next = er->next; 5135 free(er); 5136 er = er_next; 5137 } 5138 free(isoent); 5139 } 5140 5141 static void 5142 isoent_free_all(struct isoent *isoent) 5143 { 5144 struct isoent *np, *np_temp; 5145 5146 if (isoent == NULL) 5147 return; 5148 np = isoent; 5149 for (;;) { 5150 if (np->dir) { 5151 if (np->children.first != NULL) { 5152 /* Enter to sub directories. */ 5153 np = np->children.first; 5154 continue; 5155 } 5156 } 5157 for (;;) { 5158 np_temp = np; 5159 if (np->chnext == NULL) { 5160 /* Return to the parent directory. */ 5161 np = np->parent; 5162 _isoent_free(np_temp); 5163 if (np == np_temp) 5164 return; 5165 } else { 5166 np = np->chnext; 5167 _isoent_free(np_temp); 5168 break; 5169 } 5170 } 5171 } 5172 } 5173 5174 static struct isoent * 5175 isoent_create_virtual_dir(struct archive_write *a, struct iso9660 *iso9660, const char *pathname) 5176 { 5177 struct isofile *file; 5178 struct isoent *isoent; 5179 5180 file = isofile_new(a, NULL); 5181 if (file == NULL) 5182 return (NULL); 5183 archive_entry_set_pathname(file->entry, pathname); 5184 archive_entry_unset_mtime(file->entry); 5185 archive_entry_unset_atime(file->entry); 5186 archive_entry_unset_ctime(file->entry); 5187 archive_entry_set_uid(file->entry, getuid()); 5188 archive_entry_set_gid(file->entry, getgid()); 5189 archive_entry_set_mode(file->entry, 0555 | AE_IFDIR); 5190 archive_entry_set_nlink(file->entry, 2); 5191 if (isofile_gen_utility_names(a, file) < ARCHIVE_WARN) { 5192 isofile_free(file); 5193 return (NULL); 5194 } 5195 isofile_add_entry(iso9660, file); 5196 5197 isoent = isoent_new(file); 5198 if (isoent == NULL) 5199 return (NULL); 5200 isoent->dir = 1; 5201 isoent->virtual = 1; 5202 5203 return (isoent); 5204 } 5205 5206 static int 5207 isoent_cmp_node(const struct archive_rb_node *n1, 5208 const struct archive_rb_node *n2) 5209 { 5210 const struct isoent *e1 = (const struct isoent *)n1; 5211 const struct isoent *e2 = (const struct isoent *)n2; 5212 5213 return (strcmp(e1->file->basename.s, e2->file->basename.s)); 5214 } 5215 5216 static int 5217 isoent_cmp_key(const struct archive_rb_node *n, const void *key) 5218 { 5219 const struct isoent *e = (const struct isoent *)n; 5220 5221 return (strcmp(e->file->basename.s, (const char *)key)); 5222 } 5223 5224 static int 5225 isoent_add_child_head(struct isoent *parent, struct isoent *child) 5226 { 5227 5228 if (!__archive_rb_tree_insert_node( 5229 &(parent->rbtree), (struct archive_rb_node *)child)) 5230 return (0); 5231 if ((child->chnext = parent->children.first) == NULL) 5232 parent->children.last = &(child->chnext); 5233 parent->children.first = child; 5234 parent->children.cnt++; 5235 child->parent = parent; 5236 5237 /* Add a child to a sub-directory chain */ 5238 if (child->dir) { 5239 if ((child->drnext = parent->subdirs.first) == NULL) 5240 parent->subdirs.last = &(child->drnext); 5241 parent->subdirs.first = child; 5242 parent->subdirs.cnt++; 5243 child->parent = parent; 5244 } else 5245 child->drnext = NULL; 5246 return (1); 5247 } 5248 5249 static int 5250 isoent_add_child_tail(struct isoent *parent, struct isoent *child) 5251 { 5252 5253 if (!__archive_rb_tree_insert_node( 5254 &(parent->rbtree), (struct archive_rb_node *)child)) 5255 return (0); 5256 child->chnext = NULL; 5257 *parent->children.last = child; 5258 parent->children.last = &(child->chnext); 5259 parent->children.cnt++; 5260 child->parent = parent; 5261 5262 /* Add a child to a sub-directory chain */ 5263 child->drnext = NULL; 5264 if (child->dir) { 5265 *parent->subdirs.last = child; 5266 parent->subdirs.last = &(child->drnext); 5267 parent->subdirs.cnt++; 5268 child->parent = parent; 5269 } 5270 return (1); 5271 } 5272 5273 static void 5274 isoent_remove_child(struct isoent *parent, struct isoent *child) 5275 { 5276 struct isoent *ent; 5277 5278 /* Remove a child entry from children chain. */ 5279 ent = parent->children.first; 5280 while (ent->chnext != child) 5281 ent = ent->chnext; 5282 if ((ent->chnext = ent->chnext->chnext) == NULL) 5283 parent->children.last = &(ent->chnext); 5284 parent->children.cnt--; 5285 5286 if (child->dir) { 5287 /* Remove a child entry from sub-directory chain. */ 5288 ent = parent->subdirs.first; 5289 while (ent->drnext != child) 5290 ent = ent->drnext; 5291 if ((ent->drnext = ent->drnext->drnext) == NULL) 5292 parent->subdirs.last = &(ent->drnext); 5293 parent->subdirs.cnt--; 5294 } 5295 5296 __archive_rb_tree_remove_node(&(parent->rbtree), 5297 (struct archive_rb_node *)child); 5298 } 5299 5300 static int 5301 isoent_clone_tree(struct archive_write *a, struct isoent **nroot, 5302 struct isoent *root) 5303 { 5304 struct isoent *np, *xroot, *newent; 5305 5306 np = root; 5307 xroot = NULL; 5308 do { 5309 newent = isoent_clone(np); 5310 if (newent == NULL) { 5311 archive_set_error(&a->archive, ENOMEM, 5312 "Can't allocate memory"); 5313 return (ARCHIVE_FATAL); 5314 } 5315 if (xroot == NULL) { 5316 *nroot = xroot = newent; 5317 newent->parent = xroot; 5318 } else 5319 isoent_add_child_tail(xroot, newent); 5320 if (np->dir && np->children.first != NULL) { 5321 /* Enter to sub directories. */ 5322 np = np->children.first; 5323 xroot = newent; 5324 continue; 5325 } 5326 while (np != np->parent) { 5327 if (np->chnext == NULL) { 5328 /* Return to the parent directory. */ 5329 np = np->parent; 5330 xroot = xroot->parent; 5331 } else { 5332 np = np->chnext; 5333 break; 5334 } 5335 } 5336 } while (np != np->parent); 5337 5338 return (ARCHIVE_OK); 5339 } 5340 5341 /* 5342 * Setup directory locations. 5343 */ 5344 static void 5345 isoent_setup_directory_location(struct iso9660 *iso9660, int location, 5346 struct vdd *vdd) 5347 { 5348 struct isoent *np; 5349 int depth; 5350 5351 vdd->total_dir_block = 0; 5352 depth = 0; 5353 np = vdd->rootent; 5354 do { 5355 int block; 5356 5357 np->dir_block = calculate_directory_descriptors( 5358 iso9660, vdd, np, depth); 5359 vdd->total_dir_block += np->dir_block; 5360 np->dir_location = location; 5361 location += np->dir_block; 5362 block = extra_setup_location(np, location); 5363 vdd->total_dir_block += block; 5364 location += block; 5365 5366 if (np->subdirs.first != NULL && depth + 1 < vdd->max_depth) { 5367 /* Enter to sub directories. */ 5368 np = np->subdirs.first; 5369 depth++; 5370 continue; 5371 } 5372 while (np != np->parent) { 5373 if (np->drnext == NULL) { 5374 /* Return to the parent directory. */ 5375 np = np->parent; 5376 depth--; 5377 } else { 5378 np = np->drnext; 5379 break; 5380 } 5381 } 5382 } while (np != np->parent); 5383 } 5384 5385 static void 5386 _isoent_file_location(struct iso9660 *iso9660, struct isoent *isoent, 5387 int *symlocation) 5388 { 5389 struct isoent **children; 5390 int n; 5391 5392 if (isoent->children.cnt == 0) 5393 return; 5394 5395 children = isoent->children_sorted; 5396 for (n = 0; n < isoent->children.cnt; n++) { 5397 struct isoent *np; 5398 struct isofile *file; 5399 5400 np = children[n]; 5401 if (np->dir) 5402 continue; 5403 if (np == iso9660->el_torito.boot) 5404 continue; 5405 file = np->file; 5406 if (file->boot || file->hardlink_target != NULL) 5407 continue; 5408 if (archive_entry_filetype(file->entry) == AE_IFLNK || 5409 file->content.size == 0) { 5410 /* 5411 * Do not point a valid location. 5412 * Make sure entry is not hardlink file. 5413 */ 5414 file->content.location = (*symlocation)--; 5415 continue; 5416 } 5417 5418 file->write_content = 1; 5419 } 5420 } 5421 5422 /* 5423 * Setup file locations. 5424 */ 5425 static void 5426 isoent_setup_file_location(struct iso9660 *iso9660, int location) 5427 { 5428 struct isoent *isoent; 5429 struct isoent *np; 5430 struct isofile *file; 5431 size_t size; 5432 int block; 5433 int depth; 5434 int joliet; 5435 int symlocation; 5436 int total_block; 5437 5438 iso9660->total_file_block = 0; 5439 if ((isoent = iso9660->el_torito.catalog) != NULL) { 5440 isoent->file->content.location = location; 5441 block = (int)((archive_entry_size(isoent->file->entry) + 5442 LOGICAL_BLOCK_SIZE -1) >> LOGICAL_BLOCK_BITS); 5443 location += block; 5444 iso9660->total_file_block += block; 5445 } 5446 if ((isoent = iso9660->el_torito.boot) != NULL) { 5447 isoent->file->content.location = location; 5448 size = fd_boot_image_size(iso9660->el_torito.media_type); 5449 if (size == 0) 5450 size = (size_t)archive_entry_size(isoent->file->entry); 5451 block = ((int)size + LOGICAL_BLOCK_SIZE -1) 5452 >> LOGICAL_BLOCK_BITS; 5453 location += block; 5454 iso9660->total_file_block += block; 5455 isoent->file->content.blocks = block; 5456 } 5457 5458 depth = 0; 5459 symlocation = -16; 5460 if (!iso9660->opt.rr && iso9660->opt.joliet) { 5461 joliet = 1; 5462 np = iso9660->joliet.rootent; 5463 } else { 5464 joliet = 0; 5465 np = iso9660->primary.rootent; 5466 } 5467 do { 5468 _isoent_file_location(iso9660, np, &symlocation); 5469 5470 if (np->subdirs.first != NULL && 5471 (joliet || 5472 ((iso9660->opt.rr == OPT_RR_DISABLED && 5473 depth + 2 < iso9660->primary.max_depth) || 5474 (iso9660->opt.rr && 5475 depth + 1 < iso9660->primary.max_depth)))) { 5476 /* Enter to sub directories. */ 5477 np = np->subdirs.first; 5478 depth++; 5479 continue; 5480 } 5481 while (np != np->parent) { 5482 if (np->drnext == NULL) { 5483 /* Return to the parent directory. */ 5484 np = np->parent; 5485 depth--; 5486 } else { 5487 np = np->drnext; 5488 break; 5489 } 5490 } 5491 } while (np != np->parent); 5492 5493 total_block = 0; 5494 for (file = iso9660->data_file_list.first; 5495 file != NULL; file = file->datanext) { 5496 5497 if (!file->write_content) 5498 continue; 5499 5500 file->cur_content = &(file->content); 5501 do { 5502 file->cur_content->location = location; 5503 location += file->cur_content->blocks; 5504 total_block += file->cur_content->blocks; 5505 /* Next fragument */ 5506 file->cur_content = file->cur_content->next; 5507 } while (file->cur_content != NULL); 5508 } 5509 iso9660->total_file_block += total_block; 5510 } 5511 5512 static int 5513 get_path_component(char *name, size_t n, const char *fn) 5514 { 5515 char *p; 5516 size_t l; 5517 5518 p = strchr(fn, '/'); 5519 if (p == NULL) { 5520 if ((l = strlen(fn)) == 0) 5521 return (0); 5522 } else 5523 l = p - fn; 5524 if (l > n -1) 5525 return (-1); 5526 memcpy(name, fn, l); 5527 name[l] = '\0'; 5528 5529 return ((int)l); 5530 } 5531 5532 /* 5533 * Add a new entry into the tree. 5534 */ 5535 static int 5536 isoent_tree(struct archive_write *a, struct isoent **isoentpp) 5537 { 5538 #if defined(_WIN32) && !defined(__CYGWIN__) 5539 char name[_MAX_FNAME];/* Included null terminator size. */ 5540 #elif defined(NAME_MAX) && NAME_MAX >= 255 5541 char name[NAME_MAX+1]; 5542 #else 5543 char name[256]; 5544 #endif 5545 struct iso9660 *iso9660 = a->format_data; 5546 struct isoent *dent, *isoent, *np; 5547 struct isofile *f1, *f2; 5548 const char *fn, *p; 5549 int l; 5550 5551 isoent = *isoentpp; 5552 dent = iso9660->primary.rootent; 5553 if (isoent->file->parentdir.length > 0) 5554 fn = p = isoent->file->parentdir.s; 5555 else 5556 fn = p = ""; 5557 5558 /* 5559 * If the path of the parent directory of `isoent' entry is 5560 * the same as the path of `cur_dirent', add isoent to 5561 * `cur_dirent'. 5562 */ 5563 if (archive_strlen(&(iso9660->cur_dirstr)) 5564 == archive_strlen(&(isoent->file->parentdir)) && 5565 strcmp(iso9660->cur_dirstr.s, fn) == 0) { 5566 if (!isoent_add_child_tail(iso9660->cur_dirent, isoent)) { 5567 np = (struct isoent *)__archive_rb_tree_find_node( 5568 &(iso9660->cur_dirent->rbtree), 5569 isoent->file->basename.s); 5570 goto same_entry; 5571 } 5572 return (ARCHIVE_OK); 5573 } 5574 5575 for (;;) { 5576 l = get_path_component(name, sizeof(name), fn); 5577 if (l == 0) { 5578 np = NULL; 5579 break; 5580 } 5581 if (l < 0) { 5582 archive_set_error(&a->archive, 5583 ARCHIVE_ERRNO_MISC, 5584 "A name buffer is too small"); 5585 _isoent_free(isoent); 5586 return (ARCHIVE_FATAL); 5587 } 5588 5589 np = isoent_find_child(dent, name); 5590 if (np == NULL || fn[0] == '\0') 5591 break; 5592 5593 /* Find next subdirectory. */ 5594 if (!np->dir) { 5595 /* NOT Directory! */ 5596 archive_set_error(&a->archive, 5597 ARCHIVE_ERRNO_MISC, 5598 "`%s' is not directory, we cannot insert `%s' ", 5599 archive_entry_pathname(np->file->entry), 5600 archive_entry_pathname(isoent->file->entry)); 5601 _isoent_free(isoent); 5602 *isoentpp = NULL; 5603 return (ARCHIVE_FAILED); 5604 } 5605 fn += l; 5606 if (fn[0] == '/') 5607 fn++; 5608 dent = np; 5609 } 5610 if (np == NULL) { 5611 /* 5612 * Create virtual parent directories. 5613 */ 5614 while (fn[0] != '\0') { 5615 struct isoent *vp; 5616 struct archive_string as; 5617 5618 archive_string_init(&as); 5619 archive_strncat(&as, p, fn - p + l); 5620 if (as.s[as.length-1] == '/') { 5621 as.s[as.length-1] = '\0'; 5622 as.length--; 5623 } 5624 vp = isoent_create_virtual_dir(a, iso9660, as.s); 5625 if (vp == NULL) { 5626 archive_string_free(&as); 5627 archive_set_error(&a->archive, ENOMEM, 5628 "Can't allocate memory"); 5629 _isoent_free(isoent); 5630 *isoentpp = NULL; 5631 return (ARCHIVE_FATAL); 5632 } 5633 archive_string_free(&as); 5634 5635 if (vp->file->dircnt > iso9660->dircnt_max) 5636 iso9660->dircnt_max = vp->file->dircnt; 5637 isoent_add_child_tail(dent, vp); 5638 np = vp; 5639 5640 fn += l; 5641 if (fn[0] == '/') 5642 fn++; 5643 l = get_path_component(name, sizeof(name), fn); 5644 if (l < 0) { 5645 archive_string_free(&as); 5646 archive_set_error(&a->archive, 5647 ARCHIVE_ERRNO_MISC, 5648 "A name buffer is too small"); 5649 _isoent_free(isoent); 5650 *isoentpp = NULL; 5651 return (ARCHIVE_FATAL); 5652 } 5653 dent = np; 5654 } 5655 5656 /* Found out the parent directory where isoent can be 5657 * inserted. */ 5658 iso9660->cur_dirent = dent; 5659 archive_string_empty(&(iso9660->cur_dirstr)); 5660 archive_string_ensure(&(iso9660->cur_dirstr), 5661 archive_strlen(&(dent->file->parentdir)) + 5662 archive_strlen(&(dent->file->basename)) + 2); 5663 if (archive_strlen(&(dent->file->parentdir)) + 5664 archive_strlen(&(dent->file->basename)) == 0) 5665 iso9660->cur_dirstr.s[0] = 0; 5666 else { 5667 if (archive_strlen(&(dent->file->parentdir)) > 0) { 5668 archive_string_copy(&(iso9660->cur_dirstr), 5669 &(dent->file->parentdir)); 5670 archive_strappend_char(&(iso9660->cur_dirstr), '/'); 5671 } 5672 archive_string_concat(&(iso9660->cur_dirstr), 5673 &(dent->file->basename)); 5674 } 5675 5676 if (!isoent_add_child_tail(dent, isoent)) { 5677 np = (struct isoent *)__archive_rb_tree_find_node( 5678 &(dent->rbtree), isoent->file->basename.s); 5679 goto same_entry; 5680 } 5681 return (ARCHIVE_OK); 5682 } 5683 5684 same_entry: 5685 /* 5686 * We have already has the entry the filename of which is 5687 * the same. 5688 */ 5689 f1 = np->file; 5690 f2 = isoent->file; 5691 5692 /* If the file type of entries is different, 5693 * we cannot handle it. */ 5694 if (archive_entry_filetype(f1->entry) != 5695 archive_entry_filetype(f2->entry)) { 5696 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 5697 "Found duplicate entries `%s' and its file type is " 5698 "different", 5699 archive_entry_pathname(f1->entry)); 5700 _isoent_free(isoent); 5701 *isoentpp = NULL; 5702 return (ARCHIVE_FAILED); 5703 } 5704 5705 /* Swap file entries. */ 5706 np->file = f2; 5707 isoent->file = f1; 5708 np->virtual = 0; 5709 5710 _isoent_free(isoent); 5711 *isoentpp = np; 5712 return (ARCHIVE_OK); 5713 } 5714 5715 /* 5716 * Find a entry from `isoent' 5717 */ 5718 static struct isoent * 5719 isoent_find_child(struct isoent *isoent, const char *child_name) 5720 { 5721 struct isoent *np; 5722 5723 np = (struct isoent *)__archive_rb_tree_find_node( 5724 &(isoent->rbtree), child_name); 5725 return (np); 5726 } 5727 5728 /* 5729 * Find a entry full-path of which is specified by `fn' parameter, 5730 * in the tree. 5731 */ 5732 static struct isoent * 5733 isoent_find_entry(struct isoent *rootent, const char *fn) 5734 { 5735 #if defined(_WIN32) && !defined(__CYGWIN__) 5736 char name[_MAX_FNAME];/* Included null terminator size. */ 5737 #elif defined(NAME_MAX) && NAME_MAX >= 255 5738 char name[NAME_MAX+1]; 5739 #else 5740 char name[256]; 5741 #endif 5742 struct isoent *isoent, *np; 5743 int l; 5744 5745 isoent = rootent; 5746 np = NULL; 5747 for (;;) { 5748 l = get_path_component(name, sizeof(name), fn); 5749 if (l == 0) 5750 break; 5751 fn += l; 5752 if (fn[0] == '/') 5753 fn++; 5754 5755 np = isoent_find_child(isoent, name); 5756 if (np == NULL) 5757 break; 5758 if (fn[0] == '\0') 5759 break;/* We found out the entry */ 5760 5761 /* Try sub directory. */ 5762 isoent = np; 5763 np = NULL; 5764 if (!isoent->dir) 5765 break;/* Not directory */ 5766 } 5767 5768 return (np); 5769 } 5770 5771 /* 5772 * Following idr_* functions are used for resolving duplicated filenames 5773 * and unreceivable filenames to generate ISO9660/Joliet Identifiers. 5774 */ 5775 5776 static void 5777 idr_relaxed_filenames(char *map) 5778 { 5779 int i; 5780 5781 for (i = 0x21; i <= 0x2F; i++) 5782 map[i] = 1; 5783 for (i = 0x3A; i <= 0x41; i++) 5784 map[i] = 1; 5785 for (i = 0x5B; i <= 0x5E; i++) 5786 map[i] = 1; 5787 map[0x60] = 1; 5788 for (i = 0x7B; i <= 0x7E; i++) 5789 map[i] = 1; 5790 } 5791 5792 static void 5793 idr_init(struct iso9660 *iso9660, struct vdd *vdd, struct idr *idr) 5794 { 5795 5796 idr->idrent_pool = NULL; 5797 idr->pool_size = 0; 5798 if (vdd->vdd_type != VDD_JOLIET) { 5799 if (iso9660->opt.iso_level <= 3) { 5800 memcpy(idr->char_map, d_characters_map, 5801 sizeof(idr->char_map)); 5802 } else { 5803 memcpy(idr->char_map, d1_characters_map, 5804 sizeof(idr->char_map)); 5805 idr_relaxed_filenames(idr->char_map); 5806 } 5807 } 5808 } 5809 5810 static void 5811 idr_cleanup(struct idr *idr) 5812 { 5813 free(idr->idrent_pool); 5814 } 5815 5816 static int 5817 idr_ensure_poolsize(struct archive_write *a, struct idr *idr, 5818 int cnt) 5819 { 5820 5821 if (idr->pool_size < cnt) { 5822 void *p; 5823 const int bk = (1 << 7) - 1; 5824 int psize; 5825 5826 psize = (cnt + bk) & ~bk; 5827 p = realloc(idr->idrent_pool, sizeof(struct idrent) * psize); 5828 if (p == NULL) { 5829 archive_set_error(&a->archive, ENOMEM, 5830 "Can't allocate memory"); 5831 return (ARCHIVE_FATAL); 5832 } 5833 idr->idrent_pool = (struct idrent *)p; 5834 idr->pool_size = psize; 5835 } 5836 return (ARCHIVE_OK); 5837 } 5838 5839 static int 5840 idr_start(struct archive_write *a, struct idr *idr, int cnt, int ffmax, 5841 int num_size, int null_size, const struct archive_rb_tree_ops *rbt_ops) 5842 { 5843 int r; 5844 5845 (void)ffmax; /* UNUSED */ 5846 5847 r = idr_ensure_poolsize(a, idr, cnt); 5848 if (r != ARCHIVE_OK) 5849 return (r); 5850 __archive_rb_tree_init(&(idr->rbtree), rbt_ops); 5851 idr->wait_list.first = NULL; 5852 idr->wait_list.last = &(idr->wait_list.first); 5853 idr->pool_idx = 0; 5854 idr->num_size = num_size; 5855 idr->null_size = null_size; 5856 return (ARCHIVE_OK); 5857 } 5858 5859 static void 5860 idr_register(struct idr *idr, struct isoent *isoent, int weight, int noff) 5861 { 5862 struct idrent *idrent, *n; 5863 5864 idrent = &(idr->idrent_pool[idr->pool_idx++]); 5865 idrent->wnext = idrent->avail = NULL; 5866 idrent->isoent = isoent; 5867 idrent->weight = weight; 5868 idrent->noff = noff; 5869 idrent->rename_num = 0; 5870 5871 if (!__archive_rb_tree_insert_node(&(idr->rbtree), &(idrent->rbnode))) { 5872 n = (struct idrent *)__archive_rb_tree_find_node( 5873 &(idr->rbtree), idrent->isoent); 5874 if (n != NULL) { 5875 /* this `idrent' needs to rename. */ 5876 idrent->avail = n; 5877 *idr->wait_list.last = idrent; 5878 idr->wait_list.last = &(idrent->wnext); 5879 } 5880 } 5881 } 5882 5883 static void 5884 idr_extend_identifier(struct idrent *wnp, int numsize, int nullsize) 5885 { 5886 unsigned char *p; 5887 int wnp_ext_off; 5888 5889 wnp_ext_off = wnp->isoent->ext_off; 5890 if (wnp->noff + numsize != wnp_ext_off) { 5891 p = (unsigned char *)wnp->isoent->identifier; 5892 /* Extend the filename; foo.c --> foo___.c */ 5893 memmove(p + wnp->noff + numsize, p + wnp_ext_off, 5894 wnp->isoent->ext_len + nullsize); 5895 wnp->isoent->ext_off = wnp_ext_off = wnp->noff + numsize; 5896 wnp->isoent->id_len = wnp_ext_off + wnp->isoent->ext_len; 5897 } 5898 } 5899 5900 static void 5901 idr_resolve(struct idr *idr, void (*fsetnum)(unsigned char *p, int num)) 5902 { 5903 struct idrent *n; 5904 unsigned char *p; 5905 5906 for (n = idr->wait_list.first; n != NULL; n = n->wnext) { 5907 idr_extend_identifier(n, idr->num_size, idr->null_size); 5908 p = (unsigned char *)n->isoent->identifier + n->noff; 5909 do { 5910 fsetnum(p, n->avail->rename_num++); 5911 } while (!__archive_rb_tree_insert_node( 5912 &(idr->rbtree), &(n->rbnode))); 5913 } 5914 } 5915 5916 static void 5917 idr_set_num(unsigned char *p, int num) 5918 { 5919 static const char xdig[] = { 5920 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 5921 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 5922 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 5923 'U', 'V', 'W', 'X', 'Y', 'Z' 5924 }; 5925 5926 num %= sizeof(xdig) * sizeof(xdig) * sizeof(xdig); 5927 p[0] = xdig[(num / (sizeof(xdig) * sizeof(xdig)))]; 5928 num %= sizeof(xdig) * sizeof(xdig); 5929 p[1] = xdig[ (num / sizeof(xdig))]; 5930 num %= sizeof(xdig); 5931 p[2] = xdig[num]; 5932 } 5933 5934 static void 5935 idr_set_num_beutf16(unsigned char *p, int num) 5936 { 5937 static const uint16_t xdig[] = { 5938 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 5939 0x0036, 0x0037, 0x0038, 0x0039, 5940 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 5941 0x0047, 0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 5942 0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 5943 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 5944 0x0059, 0x005A 5945 }; 5946 #define XDIG_CNT (sizeof(xdig)/sizeof(xdig[0])) 5947 5948 num %= XDIG_CNT * XDIG_CNT * XDIG_CNT; 5949 archive_be16enc(p, xdig[(num / (XDIG_CNT * XDIG_CNT))]); 5950 num %= XDIG_CNT * XDIG_CNT; 5951 archive_be16enc(p+2, xdig[ (num / XDIG_CNT)]); 5952 num %= XDIG_CNT; 5953 archive_be16enc(p+4, xdig[num]); 5954 } 5955 5956 /* 5957 * Generate ISO9660 Identifier. 5958 */ 5959 static int 5960 isoent_gen_iso9660_identifier(struct archive_write *a, struct isoent *isoent, 5961 struct idr *idr) 5962 { 5963 struct iso9660 *iso9660; 5964 struct isoent *np; 5965 char *p; 5966 int l, r; 5967 const char *char_map; 5968 char allow_ldots, allow_multidot, allow_period, allow_vernum; 5969 int fnmax, ffmax, dnmax; 5970 static const struct archive_rb_tree_ops rb_ops = { 5971 isoent_cmp_node_iso9660, isoent_cmp_key_iso9660 5972 }; 5973 5974 if (isoent->children.cnt == 0) 5975 return (0); 5976 5977 iso9660 = a->format_data; 5978 char_map = idr->char_map; 5979 if (iso9660->opt.iso_level <= 3) { 5980 allow_ldots = 0; 5981 allow_multidot = 0; 5982 allow_period = 1; 5983 allow_vernum = iso9660->opt.allow_vernum; 5984 if (iso9660->opt.iso_level == 1) { 5985 fnmax = 8; 5986 ffmax = 12;/* fnmax + '.' + 3 */ 5987 dnmax = 8; 5988 } else { 5989 fnmax = 30; 5990 ffmax = 31; 5991 dnmax = 31; 5992 } 5993 } else { 5994 allow_ldots = allow_multidot = 1; 5995 allow_period = allow_vernum = 0; 5996 if (iso9660->opt.rr) 5997 /* 5998 * MDR : The maximum size of Directory Record(254). 5999 * DRL : A Directory Record Length(33). 6000 * CE : A size of SUSP CE System Use Entry(28). 6001 * MDR - DRL - CE = 254 - 33 - 28 = 193. 6002 */ 6003 fnmax = ffmax = dnmax = 193; 6004 else 6005 /* 6006 * XA : CD-ROM XA System Use Extension 6007 * Information(14). 6008 * MDR - DRL - XA = 254 - 33 -14 = 207. 6009 */ 6010 fnmax = ffmax = dnmax = 207; 6011 } 6012 6013 r = idr_start(a, idr, isoent->children.cnt, ffmax, 3, 1, &rb_ops); 6014 if (r < 0) 6015 return (r); 6016 6017 for (np = isoent->children.first; np != NULL; np = np->chnext) { 6018 char *dot, *xdot; 6019 int ext_off, noff, weight; 6020 6021 l = (int)np->file->basename.length; 6022 p = malloc(l+31+2+1); 6023 if (p == NULL) { 6024 archive_set_error(&a->archive, ENOMEM, 6025 "Can't allocate memory"); 6026 return (ARCHIVE_FATAL); 6027 } 6028 memcpy(p, np->file->basename.s, l); 6029 p[l] = '\0'; 6030 np->identifier = p; 6031 6032 dot = xdot = NULL; 6033 if (!allow_ldots) { 6034 /* 6035 * If there is a '.' character at the first byte, 6036 * it has to be replaced by '_' character. 6037 */ 6038 if (*p == '.') 6039 *p++ = '_'; 6040 } 6041 for (;*p; p++) { 6042 if (*p & 0x80) { 6043 *p = '_'; 6044 continue; 6045 } 6046 if (char_map[(unsigned char)*p]) { 6047 /* if iso-level is '4', a character '.' is 6048 * allowed by char_map. */ 6049 if (*p == '.') { 6050 xdot = dot; 6051 dot = p; 6052 } 6053 continue; 6054 } 6055 if (*p >= 'a' && *p <= 'z') { 6056 *p -= 'a' - 'A'; 6057 continue; 6058 } 6059 if (*p == '.') { 6060 xdot = dot; 6061 dot = p; 6062 if (allow_multidot) 6063 continue; 6064 } 6065 *p = '_'; 6066 } 6067 p = np->identifier; 6068 weight = -1; 6069 if (dot == NULL) { 6070 int nammax; 6071 6072 if (np->dir) 6073 nammax = dnmax; 6074 else 6075 nammax = fnmax; 6076 6077 if (l > nammax) { 6078 p[nammax] = '\0'; 6079 weight = nammax; 6080 ext_off = nammax; 6081 } else 6082 ext_off = l; 6083 } else { 6084 *dot = '.'; 6085 ext_off = (int)(dot - p); 6086 6087 if (iso9660->opt.iso_level == 1) { 6088 if (dot - p <= 8) { 6089 if (strlen(dot) > 4) { 6090 /* A length of a file extension 6091 * must be less than 4 */ 6092 dot[4] = '\0'; 6093 weight = 0; 6094 } 6095 } else { 6096 p[8] = dot[0]; 6097 p[9] = dot[1]; 6098 p[10] = dot[2]; 6099 p[11] = dot[3]; 6100 p[12] = '\0'; 6101 weight = 8; 6102 ext_off = 8; 6103 } 6104 } else if (np->dir) { 6105 if (l > dnmax) { 6106 p[dnmax] = '\0'; 6107 weight = dnmax; 6108 if (ext_off > dnmax) 6109 ext_off = dnmax; 6110 } 6111 } else if (l > ffmax) { 6112 int extlen = (int)strlen(dot); 6113 int xdoff; 6114 6115 if (xdot != NULL) 6116 xdoff = (int)(xdot - p); 6117 else 6118 xdoff = 0; 6119 6120 if (extlen > 1 && xdoff < fnmax-1) { 6121 int off; 6122 6123 if (extlen > ffmax) 6124 extlen = ffmax; 6125 off = ffmax - extlen; 6126 if (off == 0) { 6127 /* A dot('.') character 6128 * does't place to the first 6129 * byte of identifier. */ 6130 off ++; 6131 extlen --; 6132 } 6133 memmove(p+off, dot, extlen); 6134 p[ffmax] = '\0'; 6135 ext_off = off; 6136 weight = off; 6137 #ifdef COMPAT_MKISOFS 6138 } else if (xdoff >= fnmax-1) { 6139 /* Simulate a bug(?) of mkisofs. */ 6140 p[fnmax-1] = '\0'; 6141 ext_off = fnmax-1; 6142 weight = fnmax-1; 6143 #endif 6144 } else { 6145 p[fnmax] = '\0'; 6146 ext_off = fnmax; 6147 weight = fnmax; 6148 } 6149 } 6150 } 6151 /* Save an offset of a file name extension to sort files. */ 6152 np->ext_off = ext_off; 6153 np->ext_len = (int)strlen(&p[ext_off]); 6154 np->id_len = l = ext_off + np->ext_len; 6155 6156 /* Make an offset of the number which is used to be set 6157 * hexadecimal number to avoid duplicate identififier. */ 6158 if (iso9660->opt.iso_level == 1) { 6159 if (ext_off >= 5) 6160 noff = 5; 6161 else 6162 noff = ext_off; 6163 } else { 6164 if (l == ffmax) 6165 noff = ext_off - 3; 6166 else if (l == ffmax-1) 6167 noff = ext_off - 2; 6168 else if (l == ffmax-2) 6169 noff = ext_off - 1; 6170 else 6171 noff = ext_off; 6172 } 6173 /* Register entry to the identifier resolver. */ 6174 idr_register(idr, np, weight, noff); 6175 } 6176 6177 /* Resolve duplicate identifier. */ 6178 idr_resolve(idr, idr_set_num); 6179 6180 /* Add a period and a version number to identifiers. */ 6181 for (np = isoent->children.first; np != NULL; np = np->chnext) { 6182 if (!np->dir && np->rr_child == NULL) { 6183 p = np->identifier + np->ext_off + np->ext_len; 6184 if (np->ext_len == 0 && allow_period) { 6185 *p++ = '.'; 6186 np->ext_len = 1; 6187 } 6188 if (np->ext_len == 1 && !allow_period) { 6189 *--p = '\0'; 6190 np->ext_len = 0; 6191 } 6192 np->id_len = np->ext_off + np->ext_len; 6193 if (allow_vernum) { 6194 *p++ = ';'; 6195 *p++ = '1'; 6196 np->id_len += 2; 6197 } 6198 *p = '\0'; 6199 } else 6200 np->id_len = np->ext_off + np->ext_len; 6201 np->mb_len = np->id_len; 6202 } 6203 return (ARCHIVE_OK); 6204 } 6205 6206 /* 6207 * Generate Joliet Identifier. 6208 */ 6209 static int 6210 isoent_gen_joliet_identifier(struct archive_write *a, struct isoent *isoent, 6211 struct idr *idr) 6212 { 6213 struct iso9660 *iso9660; 6214 struct isoent *np; 6215 unsigned char *p; 6216 size_t l; 6217 int r; 6218 int ffmax, parent_len; 6219 static const struct archive_rb_tree_ops rb_ops = { 6220 isoent_cmp_node_joliet, isoent_cmp_key_joliet 6221 }; 6222 6223 if (isoent->children.cnt == 0) 6224 return (0); 6225 6226 iso9660 = a->format_data; 6227 if (iso9660->opt.joliet == OPT_JOLIET_LONGNAME) 6228 ffmax = 206; 6229 else 6230 ffmax = 128; 6231 6232 r = idr_start(a, idr, isoent->children.cnt, ffmax, 6, 2, &rb_ops); 6233 if (r < 0) 6234 return (r); 6235 6236 parent_len = 1; 6237 for (np = isoent; np->parent != np; np = np->parent) 6238 parent_len += np->mb_len + 1; 6239 6240 for (np = isoent->children.first; np != NULL; np = np->chnext) { 6241 unsigned char *dot; 6242 int ext_off, noff, weight; 6243 size_t lt; 6244 6245 if ((int)(l = np->file->basename_utf16.length) > ffmax) 6246 l = ffmax; 6247 6248 p = malloc((l+1)*2); 6249 if (p == NULL) { 6250 archive_set_error(&a->archive, ENOMEM, 6251 "Can't allocate memory"); 6252 return (ARCHIVE_FATAL); 6253 } 6254 memcpy(p, np->file->basename_utf16.s, l); 6255 p[l] = 0; 6256 p[l+1] = 0; 6257 6258 np->identifier = (char *)p; 6259 lt = l; 6260 dot = p + l; 6261 weight = 0; 6262 while (lt > 0) { 6263 if (!joliet_allowed_char(p[0], p[1])) 6264 archive_be16enc(p, 0x005F); /* '_' */ 6265 else if (p[0] == 0 && p[1] == 0x2E) /* '.' */ 6266 dot = p; 6267 p += 2; 6268 lt -= 2; 6269 } 6270 ext_off = (int)(dot - (unsigned char *)np->identifier); 6271 np->ext_off = ext_off; 6272 np->ext_len = (int)l - ext_off; 6273 np->id_len = (int)l; 6274 6275 /* 6276 * Get a length of MBS of a full-pathname. 6277 */ 6278 if ((int)np->file->basename_utf16.length > ffmax) { 6279 if (archive_strncpy_l(&iso9660->mbs, 6280 (const char *)np->identifier, l, 6281 iso9660->sconv_from_utf16be) != 0 && 6282 errno == ENOMEM) { 6283 archive_set_error(&a->archive, errno, 6284 "No memory"); 6285 return (ARCHIVE_FATAL); 6286 } 6287 np->mb_len = (int)iso9660->mbs.length; 6288 if (np->mb_len != (int)np->file->basename.length) 6289 weight = np->mb_len; 6290 } else 6291 np->mb_len = (int)np->file->basename.length; 6292 6293 /* If a length of full-pathname is longer than 240 bytes, 6294 * it violates Joliet extensions regulation. */ 6295 if (parent_len + np->mb_len > 240) { 6296 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 6297 "The regulation of Joliet extensions;" 6298 " A length of a full-pathname of `%s' is " 6299 "longer than 240 bytes, (p=%d, b=%d)", 6300 archive_entry_pathname(np->file->entry), 6301 (int)parent_len, (int)np->mb_len); 6302 return (ARCHIVE_FATAL); 6303 } 6304 6305 /* Make an offset of the number which is used to be set 6306 * hexadecimal number to avoid duplicate identifier. */ 6307 if ((int)l == ffmax) 6308 noff = ext_off - 6; 6309 else if ((int)l == ffmax-2) 6310 noff = ext_off - 4; 6311 else if ((int)l == ffmax-4) 6312 noff = ext_off - 2; 6313 else 6314 noff = ext_off; 6315 /* Register entry to the identifier resolver. */ 6316 idr_register(idr, np, weight, noff); 6317 } 6318 6319 /* Resolve duplicate identifier with Joliet Volume. */ 6320 idr_resolve(idr, idr_set_num_beutf16); 6321 6322 return (ARCHIVE_OK); 6323 } 6324 6325 /* 6326 * This comparing rule is according to ISO9660 Standard 9.3 6327 */ 6328 static int 6329 isoent_cmp_iso9660_identifier(const struct isoent *p1, const struct isoent *p2) 6330 { 6331 const char *s1, *s2; 6332 int cmp; 6333 int l; 6334 6335 s1 = p1->identifier; 6336 s2 = p2->identifier; 6337 6338 /* Compare File Name */ 6339 l = p1->ext_off; 6340 if (l > p2->ext_off) 6341 l = p2->ext_off; 6342 cmp = memcmp(s1, s2, l); 6343 if (cmp != 0) 6344 return (cmp); 6345 if (p1->ext_off < p2->ext_off) { 6346 s2 += l; 6347 l = p2->ext_off - p1->ext_off; 6348 while (l--) 6349 if (0x20 != *s2++) 6350 return (0x20 6351 - *(const unsigned char *)(s2 - 1)); 6352 } else if (p1->ext_off > p2->ext_off) { 6353 s1 += l; 6354 l = p1->ext_off - p2->ext_off; 6355 while (l--) 6356 if (0x20 != *s1++) 6357 return (*(const unsigned char *)(s1 - 1) 6358 - 0x20); 6359 } 6360 /* Compare File Name Extension */ 6361 if (p1->ext_len == 0 && p2->ext_len == 0) 6362 return (0); 6363 if (p1->ext_len == 1 && p2->ext_len == 1) 6364 return (0); 6365 if (p1->ext_len <= 1) 6366 return (-1); 6367 if (p2->ext_len <= 1) 6368 return (1); 6369 l = p1->ext_len; 6370 if (l > p2->ext_len) 6371 l = p2->ext_len; 6372 s1 = p1->identifier + p1->ext_off; 6373 s2 = p2->identifier + p2->ext_off; 6374 if (l > 1) { 6375 cmp = memcmp(s1, s2, l); 6376 if (cmp != 0) 6377 return (cmp); 6378 } 6379 if (p1->ext_len < p2->ext_len) { 6380 s2 += l; 6381 l = p2->ext_len - p1->ext_len; 6382 while (l--) 6383 if (0x20 != *s2++) 6384 return (0x20 6385 - *(const unsigned char *)(s2 - 1)); 6386 } else if (p1->ext_len > p2->ext_len) { 6387 s1 += l; 6388 l = p1->ext_len - p2->ext_len; 6389 while (l--) 6390 if (0x20 != *s1++) 6391 return (*(const unsigned char *)(s1 - 1) 6392 - 0x20); 6393 } 6394 /* Compare File Version Number */ 6395 /* No operation. The File Version Number is always one. */ 6396 6397 return (cmp); 6398 } 6399 6400 static int 6401 isoent_cmp_node_iso9660(const struct archive_rb_node *n1, 6402 const struct archive_rb_node *n2) 6403 { 6404 const struct idrent *e1 = (const struct idrent *)n1; 6405 const struct idrent *e2 = (const struct idrent *)n2; 6406 6407 return (isoent_cmp_iso9660_identifier(e2->isoent, e1->isoent)); 6408 } 6409 6410 static int 6411 isoent_cmp_key_iso9660(const struct archive_rb_node *node, const void *key) 6412 { 6413 const struct isoent *isoent = (const struct isoent *)key; 6414 const struct idrent *idrent = (const struct idrent *)node; 6415 6416 return (isoent_cmp_iso9660_identifier(isoent, idrent->isoent)); 6417 } 6418 6419 static int 6420 isoent_cmp_joliet_identifier(const struct isoent *p1, const struct isoent *p2) 6421 { 6422 const unsigned char *s1, *s2; 6423 int cmp; 6424 int l; 6425 6426 s1 = (const unsigned char *)p1->identifier; 6427 s2 = (const unsigned char *)p2->identifier; 6428 6429 /* Compare File Name */ 6430 l = p1->ext_off; 6431 if (l > p2->ext_off) 6432 l = p2->ext_off; 6433 cmp = memcmp(s1, s2, l); 6434 if (cmp != 0) 6435 return (cmp); 6436 if (p1->ext_off < p2->ext_off) { 6437 s2 += l; 6438 l = p2->ext_off - p1->ext_off; 6439 while (l--) 6440 if (0 != *s2++) 6441 return (- *(const unsigned char *)(s2 - 1)); 6442 } else if (p1->ext_off > p2->ext_off) { 6443 s1 += l; 6444 l = p1->ext_off - p2->ext_off; 6445 while (l--) 6446 if (0 != *s1++) 6447 return (*(const unsigned char *)(s1 - 1)); 6448 } 6449 /* Compare File Name Extension */ 6450 if (p1->ext_len == 0 && p2->ext_len == 0) 6451 return (0); 6452 if (p1->ext_len == 2 && p2->ext_len == 2) 6453 return (0); 6454 if (p1->ext_len <= 2) 6455 return (-1); 6456 if (p2->ext_len <= 2) 6457 return (1); 6458 l = p1->ext_len; 6459 if (l > p2->ext_len) 6460 l = p2->ext_len; 6461 s1 = (unsigned char *)(p1->identifier + p1->ext_off); 6462 s2 = (unsigned char *)(p2->identifier + p2->ext_off); 6463 if (l > 1) { 6464 cmp = memcmp(s1, s2, l); 6465 if (cmp != 0) 6466 return (cmp); 6467 } 6468 if (p1->ext_len < p2->ext_len) { 6469 s2 += l; 6470 l = p2->ext_len - p1->ext_len; 6471 while (l--) 6472 if (0 != *s2++) 6473 return (- *(const unsigned char *)(s2 - 1)); 6474 } else if (p1->ext_len > p2->ext_len) { 6475 s1 += l; 6476 l = p1->ext_len - p2->ext_len; 6477 while (l--) 6478 if (0 != *s1++) 6479 return (*(const unsigned char *)(s1 - 1)); 6480 } 6481 /* Compare File Version Number */ 6482 /* No operation. The File Version Number is always one. */ 6483 6484 return (cmp); 6485 } 6486 6487 static int 6488 isoent_cmp_node_joliet(const struct archive_rb_node *n1, 6489 const struct archive_rb_node *n2) 6490 { 6491 const struct idrent *e1 = (const struct idrent *)n1; 6492 const struct idrent *e2 = (const struct idrent *)n2; 6493 6494 return (isoent_cmp_joliet_identifier(e2->isoent, e1->isoent)); 6495 } 6496 6497 static int 6498 isoent_cmp_key_joliet(const struct archive_rb_node *node, const void *key) 6499 { 6500 const struct isoent *isoent = (const struct isoent *)key; 6501 const struct idrent *idrent = (const struct idrent *)node; 6502 6503 return (isoent_cmp_joliet_identifier(isoent, idrent->isoent)); 6504 } 6505 6506 static int 6507 isoent_make_sorted_files(struct archive_write *a, struct isoent *isoent, 6508 struct idr *idr) 6509 { 6510 struct archive_rb_node *rn; 6511 struct isoent **children; 6512 6513 children = malloc(isoent->children.cnt * sizeof(struct isoent *)); 6514 if (children == NULL) { 6515 archive_set_error(&a->archive, ENOMEM, 6516 "Can't allocate memory"); 6517 return (ARCHIVE_FATAL); 6518 } 6519 isoent->children_sorted = children; 6520 6521 ARCHIVE_RB_TREE_FOREACH(rn, &(idr->rbtree)) { 6522 struct idrent *idrent = (struct idrent *)rn; 6523 *children ++ = idrent->isoent; 6524 } 6525 return (ARCHIVE_OK); 6526 } 6527 6528 /* 6529 * - Generate ISO9660 and Joliet identifiers from basenames. 6530 * - Sort files by each directory. 6531 */ 6532 static int 6533 isoent_traverse_tree(struct archive_write *a, struct vdd* vdd) 6534 { 6535 struct iso9660 *iso9660 = a->format_data; 6536 struct isoent *np; 6537 struct idr idr; 6538 int depth; 6539 int r; 6540 int (*genid)(struct archive_write *, struct isoent *, struct idr *); 6541 6542 idr_init(iso9660, vdd, &idr); 6543 np = vdd->rootent; 6544 depth = 0; 6545 if (vdd->vdd_type == VDD_JOLIET) 6546 genid = isoent_gen_joliet_identifier; 6547 else 6548 genid = isoent_gen_iso9660_identifier; 6549 do { 6550 if (np->virtual && 6551 !archive_entry_mtime_is_set(np->file->entry)) { 6552 /* Set properly times to virtual directory */ 6553 archive_entry_set_mtime(np->file->entry, 6554 iso9660->birth_time, 0); 6555 archive_entry_set_atime(np->file->entry, 6556 iso9660->birth_time, 0); 6557 archive_entry_set_ctime(np->file->entry, 6558 iso9660->birth_time, 0); 6559 } 6560 if (np->children.first != NULL) { 6561 if (vdd->vdd_type != VDD_JOLIET && 6562 !iso9660->opt.rr && depth + 1 >= vdd->max_depth) { 6563 if (np->children.cnt > 0) 6564 iso9660->directories_too_deep = np; 6565 } else { 6566 /* Generate Identifier */ 6567 r = genid(a, np, &idr); 6568 if (r < 0) 6569 goto exit_traverse_tree; 6570 r = isoent_make_sorted_files(a, np, &idr); 6571 if (r < 0) 6572 goto exit_traverse_tree; 6573 6574 if (np->subdirs.first != NULL && 6575 depth + 1 < vdd->max_depth) { 6576 /* Enter to sub directories. */ 6577 np = np->subdirs.first; 6578 depth++; 6579 continue; 6580 } 6581 } 6582 } 6583 while (np != np->parent) { 6584 if (np->drnext == NULL) { 6585 /* Return to the parent directory. */ 6586 np = np->parent; 6587 depth--; 6588 } else { 6589 np = np->drnext; 6590 break; 6591 } 6592 } 6593 } while (np != np->parent); 6594 6595 r = ARCHIVE_OK; 6596 exit_traverse_tree: 6597 idr_cleanup(&idr); 6598 6599 return (r); 6600 } 6601 6602 /* 6603 * Collect directory entries into path_table by a directory depth. 6604 */ 6605 static int 6606 isoent_collect_dirs(struct vdd *vdd, struct isoent *rootent, int depth) 6607 { 6608 struct isoent *np; 6609 6610 if (rootent == NULL) 6611 rootent = vdd->rootent; 6612 np = rootent; 6613 do { 6614 /* Register current directory to pathtable. */ 6615 path_table_add_entry(&(vdd->pathtbl[depth]), np); 6616 6617 if (np->subdirs.first != NULL && depth + 1 < vdd->max_depth) { 6618 /* Enter to sub directories. */ 6619 np = np->subdirs.first; 6620 depth++; 6621 continue; 6622 } 6623 while (np != rootent) { 6624 if (np->drnext == NULL) { 6625 /* Return to the parent directory. */ 6626 np = np->parent; 6627 depth--; 6628 } else { 6629 np = np->drnext; 6630 break; 6631 } 6632 } 6633 } while (np != rootent); 6634 6635 return (ARCHIVE_OK); 6636 } 6637 6638 /* 6639 * The entry whose number of levels in a directory hierarchy is 6640 * large than eight relocate to rr_move directory. 6641 */ 6642 static int 6643 isoent_rr_move_dir(struct archive_write *a, struct isoent **rr_moved, 6644 struct isoent *curent, struct isoent **newent) 6645 { 6646 struct iso9660 *iso9660 = a->format_data; 6647 struct isoent *rrmoved, *mvent, *np; 6648 6649 if ((rrmoved = *rr_moved) == NULL) { 6650 struct isoent *rootent = iso9660->primary.rootent; 6651 /* There isn't rr_move entry. 6652 * Create rr_move entry and insert it into the root entry. 6653 */ 6654 rrmoved = isoent_create_virtual_dir(a, iso9660, "rr_moved"); 6655 if (rrmoved == NULL) { 6656 archive_set_error(&a->archive, ENOMEM, 6657 "Can't allocate memory"); 6658 return (ARCHIVE_FATAL); 6659 } 6660 /* Add "rr_moved" entry to the root entry. */ 6661 isoent_add_child_head(rootent, rrmoved); 6662 archive_entry_set_nlink(rootent->file->entry, 6663 archive_entry_nlink(rootent->file->entry) + 1); 6664 /* Register "rr_moved" entry to second level pathtable. */ 6665 path_table_add_entry(&(iso9660->primary.pathtbl[1]), rrmoved); 6666 /* Save rr_moved. */ 6667 *rr_moved = rrmoved; 6668 } 6669 /* 6670 * Make a clone of curent which is going to be relocated 6671 * to rr_moved. 6672 */ 6673 mvent = isoent_clone(curent); 6674 if (mvent == NULL) { 6675 archive_set_error(&a->archive, ENOMEM, 6676 "Can't allocate memory"); 6677 return (ARCHIVE_FATAL); 6678 } 6679 /* linking.. and use for creating "CL", "PL" and "RE" */ 6680 mvent->rr_parent = curent->parent; 6681 curent->rr_child = mvent; 6682 /* 6683 * Move subdirectories from the curent to mvent 6684 */ 6685 if (curent->children.first != NULL) { 6686 *mvent->children.last = curent->children.first; 6687 mvent->children.last = curent->children.last; 6688 } 6689 for (np = mvent->children.first; np != NULL; np = np->chnext) 6690 np->parent = mvent; 6691 mvent->children.cnt = curent->children.cnt; 6692 curent->children.cnt = 0; 6693 curent->children.first = NULL; 6694 curent->children.last = &curent->children.first; 6695 6696 if (curent->subdirs.first != NULL) { 6697 *mvent->subdirs.last = curent->subdirs.first; 6698 mvent->subdirs.last = curent->subdirs.last; 6699 } 6700 mvent->subdirs.cnt = curent->subdirs.cnt; 6701 curent->subdirs.cnt = 0; 6702 curent->subdirs.first = NULL; 6703 curent->subdirs.last = &curent->subdirs.first; 6704 6705 /* 6706 * The mvent becomes a child of the rr_moved entry. 6707 */ 6708 isoent_add_child_tail(rrmoved, mvent); 6709 archive_entry_set_nlink(rrmoved->file->entry, 6710 archive_entry_nlink(rrmoved->file->entry) + 1); 6711 /* 6712 * This entry which relocated to the rr_moved directory 6713 * has to set the flag as a file. 6714 * See also RRIP 4.1.5.1 Description of the "CL" System Use Entry. 6715 */ 6716 curent->dir = 0; 6717 6718 *newent = mvent; 6719 6720 return (ARCHIVE_OK); 6721 } 6722 6723 static int 6724 isoent_rr_move(struct archive_write *a) 6725 { 6726 struct iso9660 *iso9660 = a->format_data; 6727 struct path_table *pt; 6728 struct isoent *rootent, *rr_moved; 6729 struct isoent *np, *last; 6730 int r; 6731 6732 pt = &(iso9660->primary.pathtbl[MAX_DEPTH-1]); 6733 /* Theare aren't level 8 directories reaching a deepr level. */ 6734 if (pt->cnt == 0) 6735 return (ARCHIVE_OK); 6736 6737 rootent = iso9660->primary.rootent; 6738 /* If "rr_moved" directory is already existing, 6739 * we have to use it. */ 6740 rr_moved = isoent_find_child(rootent, "rr_moved"); 6741 if (rr_moved != NULL && 6742 rr_moved != rootent->children.first) { 6743 /* 6744 * It's necessary that rr_move is the first entry 6745 * of the root. 6746 */ 6747 /* Remove "rr_moved" entry from children chain. */ 6748 isoent_remove_child(rootent, rr_moved); 6749 6750 /* Add "rr_moved" entry into the head of children chain. */ 6751 isoent_add_child_head(rootent, rr_moved); 6752 } 6753 6754 /* 6755 * Check level 8 path_table. 6756 * If find out sub directory entries, that entries move to rr_move. 6757 */ 6758 np = pt->first; 6759 while (np != NULL) { 6760 last = path_table_last_entry(pt); 6761 for (; np != NULL; np = np->ptnext) { 6762 struct isoent *mvent; 6763 struct isoent *newent; 6764 6765 if (!np->dir) 6766 continue; 6767 for (mvent = np->subdirs.first; 6768 mvent != NULL; mvent = mvent->drnext) { 6769 r = isoent_rr_move_dir(a, &rr_moved, 6770 mvent, &newent); 6771 if (r < 0) 6772 return (r); 6773 isoent_collect_dirs(&(iso9660->primary), 6774 newent, 2); 6775 } 6776 } 6777 /* If new entries are added to level 8 path_talbe, 6778 * its sub directory entries move to rr_move too. 6779 */ 6780 np = last->ptnext; 6781 } 6782 6783 return (ARCHIVE_OK); 6784 } 6785 6786 /* 6787 * This comparing rule is according to ISO9660 Standard 6.9.1 6788 */ 6789 static int 6790 _compare_path_table(const void *v1, const void *v2) 6791 { 6792 const struct isoent *p1, *p2; 6793 const char *s1, *s2; 6794 int cmp, l; 6795 6796 p1 = *((const struct isoent **)(uintptr_t)v1); 6797 p2 = *((const struct isoent **)(uintptr_t)v2); 6798 6799 /* Compare parent directory number */ 6800 cmp = p1->parent->dir_number - p2->parent->dir_number; 6801 if (cmp != 0) 6802 return (cmp); 6803 6804 /* Compare indetifier */ 6805 s1 = p1->identifier; 6806 s2 = p2->identifier; 6807 l = p1->ext_off; 6808 if (l > p2->ext_off) 6809 l = p2->ext_off; 6810 cmp = strncmp(s1, s2, l); 6811 if (cmp != 0) 6812 return (cmp); 6813 if (p1->ext_off < p2->ext_off) { 6814 s2 += l; 6815 l = p2->ext_off - p1->ext_off; 6816 while (l--) 6817 if (0x20 != *s2++) 6818 return (0x20 6819 - *(const unsigned char *)(s2 - 1)); 6820 } else if (p1->ext_off > p2->ext_off) { 6821 s1 += l; 6822 l = p1->ext_off - p2->ext_off; 6823 while (l--) 6824 if (0x20 != *s1++) 6825 return (*(const unsigned char *)(s1 - 1) 6826 - 0x20); 6827 } 6828 return (0); 6829 } 6830 6831 static int 6832 _compare_path_table_joliet(const void *v1, const void *v2) 6833 { 6834 const struct isoent *p1, *p2; 6835 const unsigned char *s1, *s2; 6836 int cmp, l; 6837 6838 p1 = *((const struct isoent **)(uintptr_t)v1); 6839 p2 = *((const struct isoent **)(uintptr_t)v2); 6840 6841 /* Compare parent directory number */ 6842 cmp = p1->parent->dir_number - p2->parent->dir_number; 6843 if (cmp != 0) 6844 return (cmp); 6845 6846 /* Compare indetifier */ 6847 s1 = (const unsigned char *)p1->identifier; 6848 s2 = (const unsigned char *)p2->identifier; 6849 l = p1->ext_off; 6850 if (l > p2->ext_off) 6851 l = p2->ext_off; 6852 cmp = memcmp(s1, s2, l); 6853 if (cmp != 0) 6854 return (cmp); 6855 if (p1->ext_off < p2->ext_off) { 6856 s2 += l; 6857 l = p2->ext_off - p1->ext_off; 6858 while (l--) 6859 if (0 != *s2++) 6860 return (- *(const unsigned char *)(s2 - 1)); 6861 } else if (p1->ext_off > p2->ext_off) { 6862 s1 += l; 6863 l = p1->ext_off - p2->ext_off; 6864 while (l--) 6865 if (0 != *s1++) 6866 return (*(const unsigned char *)(s1 - 1)); 6867 } 6868 return (0); 6869 } 6870 6871 static inline void 6872 path_table_add_entry(struct path_table *pathtbl, struct isoent *ent) 6873 { 6874 ent->ptnext = NULL; 6875 *pathtbl->last = ent; 6876 pathtbl->last = &(ent->ptnext); 6877 pathtbl->cnt ++; 6878 } 6879 6880 static inline struct isoent * 6881 path_table_last_entry(struct path_table *pathtbl) 6882 { 6883 if (pathtbl->first == NULL) 6884 return (NULL); 6885 return (((struct isoent *)(void *) 6886 ((char *)(pathtbl->last) - offsetof(struct isoent, ptnext)))); 6887 } 6888 6889 /* 6890 * Sort directory entries in path_table 6891 * and assign directory number to each entries. 6892 */ 6893 static int 6894 isoent_make_path_table_2(struct archive_write *a, struct vdd *vdd, 6895 int depth, int *dir_number) 6896 { 6897 struct isoent *np; 6898 struct isoent **enttbl; 6899 struct path_table *pt; 6900 int i; 6901 6902 pt = &vdd->pathtbl[depth]; 6903 if (pt->cnt == 0) { 6904 pt->sorted = NULL; 6905 return (ARCHIVE_OK); 6906 } 6907 enttbl = malloc(pt->cnt * sizeof(struct isoent *)); 6908 if (enttbl == NULL) { 6909 archive_set_error(&a->archive, ENOMEM, 6910 "Can't allocate memory"); 6911 return (ARCHIVE_FATAL); 6912 } 6913 pt->sorted = enttbl; 6914 for (np = pt->first; np != NULL; np = np->ptnext) 6915 *enttbl ++ = np; 6916 enttbl = pt->sorted; 6917 6918 switch (vdd->vdd_type) { 6919 case VDD_PRIMARY: 6920 case VDD_ENHANCED: 6921 #ifdef __COMPAR_FN_T 6922 qsort(enttbl, pt->cnt, sizeof(struct isoent *), 6923 (__compar_fn_t)_compare_path_table); 6924 #else 6925 qsort(enttbl, pt->cnt, sizeof(struct isoent *), 6926 _compare_path_table); 6927 #endif 6928 break; 6929 case VDD_JOLIET: 6930 #ifdef __COMPAR_FN_T 6931 qsort(enttbl, pt->cnt, sizeof(struct isoent *), 6932 (__compar_fn_t)_compare_path_table_joliet); 6933 #else 6934 qsort(enttbl, pt->cnt, sizeof(struct isoent *), 6935 _compare_path_table_joliet); 6936 #endif 6937 break; 6938 } 6939 for (i = 0; i < pt->cnt; i++) 6940 enttbl[i]->dir_number = (*dir_number)++; 6941 6942 return (ARCHIVE_OK); 6943 } 6944 6945 static int 6946 isoent_alloc_path_table(struct archive_write *a, struct vdd *vdd, 6947 int max_depth) 6948 { 6949 int i; 6950 6951 vdd->max_depth = max_depth; 6952 vdd->pathtbl = malloc(sizeof(*vdd->pathtbl) * vdd->max_depth); 6953 if (vdd->pathtbl == NULL) { 6954 archive_set_error(&a->archive, ENOMEM, 6955 "Can't allocate memory"); 6956 return (ARCHIVE_FATAL); 6957 } 6958 for (i = 0; i < vdd->max_depth; i++) { 6959 vdd->pathtbl[i].first = NULL; 6960 vdd->pathtbl[i].last = &(vdd->pathtbl[i].first); 6961 vdd->pathtbl[i].sorted = NULL; 6962 vdd->pathtbl[i].cnt = 0; 6963 } 6964 return (ARCHIVE_OK); 6965 } 6966 6967 /* 6968 * Make Path Tables 6969 */ 6970 static int 6971 isoent_make_path_table(struct archive_write *a) 6972 { 6973 struct iso9660 *iso9660 = a->format_data; 6974 int depth, r; 6975 int dir_number; 6976 6977 /* 6978 * Init Path Table. 6979 */ 6980 if (iso9660->dircnt_max >= MAX_DEPTH && 6981 (!iso9660->opt.limit_depth || iso9660->opt.iso_level == 4)) 6982 r = isoent_alloc_path_table(a, &(iso9660->primary), 6983 iso9660->dircnt_max + 1); 6984 else 6985 /* The number of levels in the hierarchy cannot exceed 6986 * eight. */ 6987 r = isoent_alloc_path_table(a, &(iso9660->primary), 6988 MAX_DEPTH); 6989 if (r < 0) 6990 return (r); 6991 if (iso9660->opt.joliet) { 6992 r = isoent_alloc_path_table(a, &(iso9660->joliet), 6993 iso9660->dircnt_max + 1); 6994 if (r < 0) 6995 return (r); 6996 } 6997 6998 /* Step 0. 6999 * - Collect directories for primary and joliet. 7000 */ 7001 isoent_collect_dirs(&(iso9660->primary), NULL, 0); 7002 if (iso9660->opt.joliet) 7003 isoent_collect_dirs(&(iso9660->joliet), NULL, 0); 7004 /* 7005 * Rockridge; move deeper depth directories to rr_moved. 7006 */ 7007 if (iso9660->opt.rr) { 7008 r = isoent_rr_move(a); 7009 if (r < 0) 7010 return (r); 7011 } 7012 7013 /* Update nlink. */ 7014 isofile_connect_hardlink_files(iso9660); 7015 7016 /* Step 1. 7017 * - Renew a value of the depth of that directories. 7018 * - Resolve hardlinks. 7019 * - Convert pathnames to ISO9660 name or UCS2(joliet). 7020 * - Sort files by each directory. 7021 */ 7022 r = isoent_traverse_tree(a, &(iso9660->primary)); 7023 if (r < 0) 7024 return (r); 7025 if (iso9660->opt.joliet) { 7026 r = isoent_traverse_tree(a, &(iso9660->joliet)); 7027 if (r < 0) 7028 return (r); 7029 } 7030 7031 /* Step 2. 7032 * - Sort directories. 7033 * - Assign all directory number. 7034 */ 7035 dir_number = 1; 7036 for (depth = 0; depth < iso9660->primary.max_depth; depth++) { 7037 r = isoent_make_path_table_2(a, &(iso9660->primary), 7038 depth, &dir_number); 7039 if (r < 0) 7040 return (r); 7041 } 7042 if (iso9660->opt.joliet) { 7043 dir_number = 1; 7044 for (depth = 0; depth < iso9660->joliet.max_depth; depth++) { 7045 r = isoent_make_path_table_2(a, &(iso9660->joliet), 7046 depth, &dir_number); 7047 if (r < 0) 7048 return (r); 7049 } 7050 } 7051 if (iso9660->opt.limit_dirs && dir_number > 0xffff) { 7052 /* 7053 * Maximum number of directories is 65535(0xffff) 7054 * doe to size(16bit) of Parent Directory Number of 7055 * the Path Table. 7056 * See also ISO9660 Standard 9.4. 7057 */ 7058 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7059 "Too many directories(%d) over 65535.", dir_number); 7060 return (ARCHIVE_FATAL); 7061 } 7062 7063 /* Get the size of the Path Table. */ 7064 calculate_path_table_size(&(iso9660->primary)); 7065 if (iso9660->opt.joliet) 7066 calculate_path_table_size(&(iso9660->joliet)); 7067 7068 return (ARCHIVE_OK); 7069 } 7070 7071 static int 7072 isoent_find_out_boot_file(struct archive_write *a, struct isoent *rootent) 7073 { 7074 struct iso9660 *iso9660 = a->format_data; 7075 7076 /* Find a isoent of the boot file. */ 7077 iso9660->el_torito.boot = isoent_find_entry(rootent, 7078 iso9660->el_torito.boot_filename.s); 7079 if (iso9660->el_torito.boot == NULL) { 7080 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7081 "Can't find the boot image file ``%s''", 7082 iso9660->el_torito.boot_filename.s); 7083 return (ARCHIVE_FATAL); 7084 } 7085 iso9660->el_torito.boot->file->boot = BOOT_IMAGE; 7086 return (ARCHIVE_OK); 7087 } 7088 7089 static int 7090 isoent_create_boot_catalog(struct archive_write *a, struct isoent *rootent) 7091 { 7092 struct iso9660 *iso9660 = a->format_data; 7093 struct isofile *file; 7094 struct isoent *isoent; 7095 struct archive_entry *entry; 7096 7097 (void)rootent; /* UNUSED */ 7098 /* 7099 * Create the entry which is the "boot.catalog" file. 7100 */ 7101 file = isofile_new(a, NULL); 7102 if (file == NULL) { 7103 archive_set_error(&a->archive, ENOMEM, 7104 "Can't allocate memory"); 7105 return (ARCHIVE_FATAL); 7106 } 7107 archive_entry_set_pathname(file->entry, 7108 iso9660->el_torito.catalog_filename.s); 7109 archive_entry_set_size(file->entry, LOGICAL_BLOCK_SIZE); 7110 archive_entry_set_mtime(file->entry, iso9660->birth_time, 0); 7111 archive_entry_set_atime(file->entry, iso9660->birth_time, 0); 7112 archive_entry_set_ctime(file->entry, iso9660->birth_time, 0); 7113 archive_entry_set_uid(file->entry, getuid()); 7114 archive_entry_set_gid(file->entry, getgid()); 7115 archive_entry_set_mode(file->entry, AE_IFREG | 0444); 7116 archive_entry_set_nlink(file->entry, 1); 7117 7118 if (isofile_gen_utility_names(a, file) < ARCHIVE_WARN) { 7119 isofile_free(file); 7120 return (ARCHIVE_FATAL); 7121 } 7122 file->boot = BOOT_CATALOG; 7123 file->content.size = LOGICAL_BLOCK_SIZE; 7124 isofile_add_entry(iso9660, file); 7125 7126 isoent = isoent_new(file); 7127 if (isoent == NULL) { 7128 archive_set_error(&a->archive, ENOMEM, 7129 "Can't allocate memory"); 7130 return (ARCHIVE_FATAL); 7131 } 7132 isoent->virtual = 1; 7133 7134 /* Add the "boot.catalog" entry into tree */ 7135 if (isoent_tree(a, &isoent) != ARCHIVE_OK) 7136 return (ARCHIVE_FATAL); 7137 7138 iso9660->el_torito.catalog = isoent; 7139 /* 7140 * Get a boot medai type. 7141 */ 7142 switch (iso9660->opt.boot_type) { 7143 default: 7144 case OPT_BOOT_TYPE_AUTO: 7145 /* Try detecting a media type of the boot image. */ 7146 entry = iso9660->el_torito.boot->file->entry; 7147 if (archive_entry_size(entry) == FD_1_2M_SIZE) 7148 iso9660->el_torito.media_type = 7149 BOOT_MEDIA_1_2M_DISKETTE; 7150 else if (archive_entry_size(entry) == FD_1_44M_SIZE) 7151 iso9660->el_torito.media_type = 7152 BOOT_MEDIA_1_44M_DISKETTE; 7153 else if (archive_entry_size(entry) == FD_2_88M_SIZE) 7154 iso9660->el_torito.media_type = 7155 BOOT_MEDIA_2_88M_DISKETTE; 7156 else 7157 /* We cannot decide whether the boot image is 7158 * hard-disk. */ 7159 iso9660->el_torito.media_type = 7160 BOOT_MEDIA_NO_EMULATION; 7161 break; 7162 case OPT_BOOT_TYPE_NO_EMU: 7163 iso9660->el_torito.media_type = BOOT_MEDIA_NO_EMULATION; 7164 break; 7165 case OPT_BOOT_TYPE_HARD_DISK: 7166 iso9660->el_torito.media_type = BOOT_MEDIA_HARD_DISK; 7167 break; 7168 case OPT_BOOT_TYPE_FD: 7169 entry = iso9660->el_torito.boot->file->entry; 7170 if (archive_entry_size(entry) <= FD_1_2M_SIZE) 7171 iso9660->el_torito.media_type = 7172 BOOT_MEDIA_1_2M_DISKETTE; 7173 else if (archive_entry_size(entry) <= FD_1_44M_SIZE) 7174 iso9660->el_torito.media_type = 7175 BOOT_MEDIA_1_44M_DISKETTE; 7176 else if (archive_entry_size(entry) <= FD_2_88M_SIZE) 7177 iso9660->el_torito.media_type = 7178 BOOT_MEDIA_2_88M_DISKETTE; 7179 else { 7180 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7181 "Boot image file(``%s'') size is too big " 7182 "for fd type.", 7183 iso9660->el_torito.boot_filename.s); 7184 return (ARCHIVE_FATAL); 7185 } 7186 break; 7187 } 7188 7189 /* 7190 * Get a system type. 7191 * TODO: `El Torito' specification says "A copy of byte 5 from the 7192 * Partition Table found in the boot image". 7193 */ 7194 iso9660->el_torito.system_type = 0; 7195 7196 /* 7197 * Get an ID. 7198 */ 7199 if (iso9660->opt.publisher) 7200 archive_string_copy(&(iso9660->el_torito.id), 7201 &(iso9660->publisher_identifier)); 7202 7203 7204 return (ARCHIVE_OK); 7205 } 7206 7207 /* 7208 * If a media type is floppy, return its image size. 7209 * otherwise return 0. 7210 */ 7211 static size_t 7212 fd_boot_image_size(int media_type) 7213 { 7214 switch (media_type) { 7215 case BOOT_MEDIA_1_2M_DISKETTE: 7216 return (FD_1_2M_SIZE); 7217 case BOOT_MEDIA_1_44M_DISKETTE: 7218 return (FD_1_44M_SIZE); 7219 case BOOT_MEDIA_2_88M_DISKETTE: 7220 return (FD_2_88M_SIZE); 7221 default: 7222 return (0); 7223 } 7224 } 7225 7226 /* 7227 * Make a boot catalog image data. 7228 */ 7229 static int 7230 make_boot_catalog(struct archive_write *a) 7231 { 7232 struct iso9660 *iso9660 = a->format_data; 7233 unsigned char *block; 7234 unsigned char *p; 7235 uint16_t sum, *wp; 7236 7237 block = wb_buffptr(a); 7238 memset(block, 0, LOGICAL_BLOCK_SIZE); 7239 p = block; 7240 /* 7241 * Validation Entry 7242 */ 7243 /* Header ID */ 7244 p[0] = 1; 7245 /* Platform ID */ 7246 p[1] = iso9660->el_torito.platform_id; 7247 /* Reserved */ 7248 p[2] = p[3] = 0; 7249 /* ID */ 7250 if (archive_strlen(&(iso9660->el_torito.id)) > 0) 7251 strncpy((char *)p+4, iso9660->el_torito.id.s, 23); 7252 p[27] = 0; 7253 /* Checksum */ 7254 p[28] = p[29] = 0; 7255 /* Key */ 7256 p[30] = 0x55; 7257 p[31] = 0xAA; 7258 7259 sum = 0; 7260 wp = (uint16_t *)block; 7261 while (wp < (uint16_t *)&block[32]) 7262 sum += archive_le16dec(wp++); 7263 set_num_721(&block[28], (~sum) + 1); 7264 7265 /* 7266 * Initial/Default Entry 7267 */ 7268 p = &block[32]; 7269 /* Boot Indicator */ 7270 p[0] = 0x88; 7271 /* Boot media type */ 7272 p[1] = iso9660->el_torito.media_type; 7273 /* Load Segment */ 7274 if (iso9660->el_torito.media_type == BOOT_MEDIA_NO_EMULATION) 7275 set_num_721(&p[2], iso9660->el_torito.boot_load_seg); 7276 else 7277 set_num_721(&p[2], 0); 7278 /* System Type */ 7279 p[4] = iso9660->el_torito.system_type; 7280 /* Unused */ 7281 p[5] = 0; 7282 /* Sector Count */ 7283 if (iso9660->el_torito.media_type == BOOT_MEDIA_NO_EMULATION) 7284 set_num_721(&p[6], iso9660->el_torito.boot_load_size); 7285 else 7286 set_num_721(&p[6], 1); 7287 /* Load RBA */ 7288 set_num_731(&p[8], 7289 iso9660->el_torito.boot->file->content.location); 7290 /* Unused */ 7291 memset(&p[12], 0, 20); 7292 7293 return (wb_consume(a, LOGICAL_BLOCK_SIZE)); 7294 } 7295 7296 static int 7297 setup_boot_information(struct archive_write *a) 7298 { 7299 struct iso9660 *iso9660 = a->format_data; 7300 struct isoent *np; 7301 int64_t size; 7302 uint32_t sum; 7303 unsigned char buff[4096]; 7304 7305 np = iso9660->el_torito.boot; 7306 lseek(iso9660->temp_fd, 7307 np->file->content.offset_of_temp + 64, SEEK_SET); 7308 size = archive_entry_size(np->file->entry) - 64; 7309 if (size <= 0) { 7310 archive_set_error(&a->archive, errno, 7311 "Boot file(%jd) is too small", (intmax_t)size + 64); 7312 return (ARCHIVE_FATAL); 7313 } 7314 sum = 0; 7315 while (size > 0) { 7316 size_t rsize; 7317 ssize_t i, rs; 7318 7319 if (size > (int64_t)sizeof(buff)) 7320 rsize = sizeof(buff); 7321 else 7322 rsize = (size_t)size; 7323 7324 rs = read(iso9660->temp_fd, buff, rsize); 7325 if (rs <= 0) { 7326 archive_set_error(&a->archive, errno, 7327 "Can't read temporary file(%jd)", 7328 (intmax_t)rs); 7329 return (ARCHIVE_FATAL); 7330 } 7331 for (i = 0; i < rs; i += 4) 7332 sum += archive_le32dec(buff + i); 7333 size -= rs; 7334 } 7335 /* Set the location of Primary Volume Descriptor. */ 7336 set_num_731(buff, SYSTEM_AREA_BLOCK); 7337 /* Set the location of the boot file. */ 7338 set_num_731(buff+4, np->file->content.location); 7339 /* Set the size of the boot file. */ 7340 size = fd_boot_image_size(iso9660->el_torito.media_type); 7341 if (size == 0) 7342 size = archive_entry_size(np->file->entry); 7343 set_num_731(buff+8, (uint32_t)size); 7344 /* Set the sum of the boot file. */ 7345 set_num_731(buff+12, sum); 7346 /* Clear reserved bytes. */ 7347 memset(buff+16, 0, 40); 7348 7349 /* Overwrite the boot file. */ 7350 lseek(iso9660->temp_fd, 7351 np->file->content.offset_of_temp + 8, SEEK_SET); 7352 return (write_to_temp(a, buff, 56)); 7353 } 7354 7355 #ifdef HAVE_ZLIB_H 7356 7357 static int 7358 zisofs_init_zstream(struct archive_write *a) 7359 { 7360 struct iso9660 *iso9660 = a->format_data; 7361 int r; 7362 7363 iso9660->zisofs.stream.next_in = NULL; 7364 iso9660->zisofs.stream.avail_in = 0; 7365 iso9660->zisofs.stream.total_in = 0; 7366 iso9660->zisofs.stream.total_out = 0; 7367 if (iso9660->zisofs.stream_valid) 7368 r = deflateReset(&(iso9660->zisofs.stream)); 7369 else { 7370 r = deflateInit(&(iso9660->zisofs.stream), 7371 iso9660->zisofs.compression_level); 7372 iso9660->zisofs.stream_valid = 1; 7373 } 7374 switch (r) { 7375 case Z_OK: 7376 break; 7377 default: 7378 case Z_STREAM_ERROR: 7379 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7380 "Internal error initializing " 7381 "compression library: invalid setup parameter"); 7382 return (ARCHIVE_FATAL); 7383 case Z_MEM_ERROR: 7384 archive_set_error(&a->archive, ENOMEM, 7385 "Internal error initializing " 7386 "compression library"); 7387 return (ARCHIVE_FATAL); 7388 case Z_VERSION_ERROR: 7389 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7390 "Internal error initializing " 7391 "compression library: invalid library version"); 7392 return (ARCHIVE_FATAL); 7393 } 7394 return (ARCHIVE_OK); 7395 } 7396 7397 #endif /* HAVE_ZLIB_H */ 7398 7399 static int 7400 zisofs_init(struct archive_write *a, struct isofile *file) 7401 { 7402 struct iso9660 *iso9660 = a->format_data; 7403 #ifdef HAVE_ZLIB_H 7404 uint64_t tsize; 7405 size_t _ceil, bpsize; 7406 int r; 7407 #endif 7408 7409 iso9660->zisofs.detect_magic = 0; 7410 iso9660->zisofs.making = 0; 7411 7412 if (!iso9660->opt.rr || !iso9660->opt.zisofs) 7413 return (ARCHIVE_OK); 7414 7415 if (archive_entry_size(file->entry) >= 24 && 7416 archive_entry_size(file->entry) < MULTI_EXTENT_SIZE) { 7417 /* Acceptable file size for zisofs. */ 7418 iso9660->zisofs.detect_magic = 1; 7419 iso9660->zisofs.magic_cnt = 0; 7420 } 7421 if (!iso9660->zisofs.detect_magic) 7422 return (ARCHIVE_OK); 7423 7424 #ifdef HAVE_ZLIB_H 7425 /* The number of Logical Blocks which uncompressed data 7426 * will use in iso-image file is the same as the number of 7427 * Logical Blocks which zisofs(compressed) data will use 7428 * in ISO-image file. It won't reduce iso-image file size. */ 7429 if (archive_entry_size(file->entry) <= LOGICAL_BLOCK_SIZE) 7430 return (ARCHIVE_OK); 7431 7432 /* Initialize compression library */ 7433 r = zisofs_init_zstream(a); 7434 if (r != ARCHIVE_OK) 7435 return (ARCHIVE_FATAL); 7436 7437 /* Mark file->zisofs to create RRIP 'ZF' Use Entry. */ 7438 file->zisofs.header_size = ZF_HEADER_SIZE >> 2; 7439 file->zisofs.log2_bs = ZF_LOG2_BS; 7440 file->zisofs.uncompressed_size = 7441 (uint32_t)archive_entry_size(file->entry); 7442 7443 /* Calculate a size of Block Pointers of zisofs. */ 7444 _ceil = (file->zisofs.uncompressed_size + ZF_BLOCK_SIZE -1) 7445 >> file->zisofs.log2_bs; 7446 iso9660->zisofs.block_pointers_cnt = (int)_ceil + 1; 7447 iso9660->zisofs.block_pointers_idx = 0; 7448 7449 /* Ensure a buffer size used for Block Pointers */ 7450 bpsize = iso9660->zisofs.block_pointers_cnt * 7451 sizeof(iso9660->zisofs.block_pointers[0]); 7452 if (iso9660->zisofs.block_pointers_allocated < bpsize) { 7453 free(iso9660->zisofs.block_pointers); 7454 iso9660->zisofs.block_pointers = malloc(bpsize); 7455 if (iso9660->zisofs.block_pointers == NULL) { 7456 archive_set_error(&a->archive, ENOMEM, 7457 "Can't allocate data"); 7458 return (ARCHIVE_FATAL); 7459 } 7460 iso9660->zisofs.block_pointers_allocated = bpsize; 7461 } 7462 7463 /* 7464 * Skip zisofs header and Block Pointers, which we will write 7465 * after all compressed data of a file written to the temporary 7466 * file. 7467 */ 7468 tsize = ZF_HEADER_SIZE + bpsize; 7469 if (write_null(a, (size_t)tsize) != ARCHIVE_OK) 7470 return (ARCHIVE_FATAL); 7471 7472 /* 7473 * Initialize some variables to make zisofs. 7474 */ 7475 archive_le32enc(&(iso9660->zisofs.block_pointers[0]), 7476 (uint32_t)tsize); 7477 iso9660->zisofs.remaining = file->zisofs.uncompressed_size; 7478 iso9660->zisofs.making = 1; 7479 iso9660->zisofs.allzero = 1; 7480 iso9660->zisofs.block_offset = tsize; 7481 iso9660->zisofs.total_size = tsize; 7482 iso9660->cur_file->cur_content->size = tsize; 7483 #endif 7484 7485 return (ARCHIVE_OK); 7486 } 7487 7488 static void 7489 zisofs_detect_magic(struct archive_write *a, const void *buff, size_t s) 7490 { 7491 struct iso9660 *iso9660 = a->format_data; 7492 struct isofile *file = iso9660->cur_file; 7493 const unsigned char *p, *endp; 7494 const unsigned char *magic_buff; 7495 uint32_t uncompressed_size; 7496 unsigned char header_size; 7497 unsigned char log2_bs; 7498 size_t _ceil, doff; 7499 uint32_t bst, bed; 7500 int magic_max; 7501 int64_t entry_size; 7502 7503 entry_size = archive_entry_size(file->entry); 7504 if ((int64_t)sizeof(iso9660->zisofs.magic_buffer) > entry_size) 7505 magic_max = (int)entry_size; 7506 else 7507 magic_max = sizeof(iso9660->zisofs.magic_buffer); 7508 7509 if (iso9660->zisofs.magic_cnt == 0 && s >= (size_t)magic_max) 7510 /* It's unnecessary we copy buffer. */ 7511 magic_buff = buff; 7512 else { 7513 if (iso9660->zisofs.magic_cnt < magic_max) { 7514 size_t l; 7515 7516 l = sizeof(iso9660->zisofs.magic_buffer) 7517 - iso9660->zisofs.magic_cnt; 7518 if (l > s) 7519 l = s; 7520 memcpy(iso9660->zisofs.magic_buffer 7521 + iso9660->zisofs.magic_cnt, buff, l); 7522 iso9660->zisofs.magic_cnt += (int)l; 7523 if (iso9660->zisofs.magic_cnt < magic_max) 7524 return; 7525 } 7526 magic_buff = iso9660->zisofs.magic_buffer; 7527 } 7528 iso9660->zisofs.detect_magic = 0; 7529 p = magic_buff; 7530 7531 /* Check the magic code of zisofs. */ 7532 if (memcmp(p, zisofs_magic, sizeof(zisofs_magic)) != 0) 7533 /* This is not zisofs file which made by mkzftree. */ 7534 return; 7535 p += sizeof(zisofs_magic); 7536 7537 /* Read a zisofs header. */ 7538 uncompressed_size = archive_le32dec(p); 7539 header_size = p[4]; 7540 log2_bs = p[5]; 7541 if (uncompressed_size < 24 || header_size != 4 || 7542 log2_bs > 30 || log2_bs < 7) 7543 return;/* Invalid or not supported header. */ 7544 7545 /* Calculate a size of Block Pointers of zisofs. */ 7546 _ceil = (uncompressed_size + 7547 (ARCHIVE_LITERAL_LL(1) << log2_bs) -1) >> log2_bs; 7548 doff = (_ceil + 1) * 4 + 16; 7549 if (entry_size < (int64_t)doff) 7550 return;/* Invalid data. */ 7551 7552 /* Check every Block Pointer has valid value. */ 7553 p = magic_buff + 16; 7554 endp = magic_buff + magic_max; 7555 while (_ceil && p + 8 <= endp) { 7556 bst = archive_le32dec(p); 7557 if (bst != doff) 7558 return;/* Invalid data. */ 7559 p += 4; 7560 bed = archive_le32dec(p); 7561 if (bed < bst || bed > entry_size) 7562 return;/* Invalid data. */ 7563 doff += bed - bst; 7564 _ceil--; 7565 } 7566 7567 file->zisofs.uncompressed_size = uncompressed_size; 7568 file->zisofs.header_size = header_size; 7569 file->zisofs.log2_bs = log2_bs; 7570 7571 /* Disable making a zisofs image. */ 7572 iso9660->zisofs.making = 0; 7573 } 7574 7575 #ifdef HAVE_ZLIB_H 7576 7577 /* 7578 * Compress data and write it to a temporary file. 7579 */ 7580 static int 7581 zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s) 7582 { 7583 struct iso9660 *iso9660 = a->format_data; 7584 struct isofile *file = iso9660->cur_file; 7585 const unsigned char *b; 7586 z_stream *zstrm; 7587 size_t avail, csize; 7588 int flush, r; 7589 7590 zstrm = &(iso9660->zisofs.stream); 7591 zstrm->next_out = wb_buffptr(a); 7592 zstrm->avail_out = (uInt)wb_remaining(a); 7593 b = (const unsigned char *)buff; 7594 do { 7595 avail = ZF_BLOCK_SIZE - zstrm->total_in; 7596 if (s < avail) { 7597 avail = s; 7598 flush = Z_NO_FLUSH; 7599 } else 7600 flush = Z_FINISH; 7601 iso9660->zisofs.remaining -= avail; 7602 if (iso9660->zisofs.remaining <= 0) 7603 flush = Z_FINISH; 7604 7605 zstrm->next_in = (Bytef *)(uintptr_t)(const void *)b; 7606 zstrm->avail_in = (uInt)avail; 7607 7608 /* 7609 * Check if current data block are all zero. 7610 */ 7611 if (iso9660->zisofs.allzero) { 7612 const unsigned char *nonzero = b; 7613 const unsigned char *nonzeroend = b + avail; 7614 7615 while (nonzero < nonzeroend) 7616 if (*nonzero++) { 7617 iso9660->zisofs.allzero = 0; 7618 break; 7619 } 7620 } 7621 b += avail; 7622 s -= avail; 7623 7624 /* 7625 * If current data block are all zero, we do not use 7626 * compressed data. 7627 */ 7628 if (flush == Z_FINISH && iso9660->zisofs.allzero && 7629 avail + zstrm->total_in == ZF_BLOCK_SIZE) { 7630 if (iso9660->zisofs.block_offset != 7631 file->cur_content->size) { 7632 int64_t diff; 7633 7634 r = wb_set_offset(a, 7635 file->cur_content->offset_of_temp + 7636 iso9660->zisofs.block_offset); 7637 if (r != ARCHIVE_OK) 7638 return (r); 7639 diff = file->cur_content->size - 7640 iso9660->zisofs.block_offset; 7641 file->cur_content->size -= diff; 7642 iso9660->zisofs.total_size -= diff; 7643 } 7644 zstrm->avail_in = 0; 7645 } 7646 7647 /* 7648 * Compress file data. 7649 */ 7650 while (zstrm->avail_in > 0) { 7651 csize = zstrm->total_out; 7652 r = deflate(zstrm, flush); 7653 switch (r) { 7654 case Z_OK: 7655 case Z_STREAM_END: 7656 csize = zstrm->total_out - csize; 7657 if (wb_consume(a, csize) != ARCHIVE_OK) 7658 return (ARCHIVE_FATAL); 7659 iso9660->zisofs.total_size += csize; 7660 iso9660->cur_file->cur_content->size += csize; 7661 zstrm->next_out = wb_buffptr(a); 7662 zstrm->avail_out = (uInt)wb_remaining(a); 7663 break; 7664 default: 7665 archive_set_error(&a->archive, 7666 ARCHIVE_ERRNO_MISC, 7667 "Compression failed:" 7668 " deflate() call returned status %d", 7669 r); 7670 return (ARCHIVE_FATAL); 7671 } 7672 } 7673 7674 if (flush == Z_FINISH) { 7675 /* 7676 * Save the information of one zisofs block. 7677 */ 7678 iso9660->zisofs.block_pointers_idx ++; 7679 archive_le32enc(&(iso9660->zisofs.block_pointers[ 7680 iso9660->zisofs.block_pointers_idx]), 7681 (uint32_t)iso9660->zisofs.total_size); 7682 r = zisofs_init_zstream(a); 7683 if (r != ARCHIVE_OK) 7684 return (ARCHIVE_FATAL); 7685 iso9660->zisofs.allzero = 1; 7686 iso9660->zisofs.block_offset = file->cur_content->size; 7687 } 7688 } while (s); 7689 7690 return (ARCHIVE_OK); 7691 } 7692 7693 static int 7694 zisofs_finish_entry(struct archive_write *a) 7695 { 7696 struct iso9660 *iso9660 = a->format_data; 7697 struct isofile *file = iso9660->cur_file; 7698 unsigned char buff[16]; 7699 size_t s; 7700 int64_t tail; 7701 7702 /* Direct temp file stream to zisofs temp file stream. */ 7703 archive_entry_set_size(file->entry, iso9660->zisofs.total_size); 7704 7705 /* 7706 * Save a file pointer which points the end of current zisofs data. 7707 */ 7708 tail = wb_offset(a); 7709 7710 /* 7711 * Make a header. 7712 * 7713 * +-----------------+----------------+-----------------+ 7714 * | Header 16 bytes | Block Pointers | Compressed data | 7715 * +-----------------+----------------+-----------------+ 7716 * 0 16 +X 7717 * Block Pointers : 7718 * 4 * (((Uncompressed file size + block_size -1) / block_size) + 1) 7719 * 7720 * Write zisofs header. 7721 * Magic number 7722 * +----+----+----+----+----+----+----+----+ 7723 * | 37 | E4 | 53 | 96 | C9 | DB | D6 | 07 | 7724 * +----+----+----+----+----+----+----+----+ 7725 * 0 1 2 3 4 5 6 7 8 7726 * 7727 * +------------------------+------------------+ 7728 * | Uncompressed file size | header_size >> 2 | 7729 * +------------------------+------------------+ 7730 * 8 12 13 7731 * 7732 * +-----------------+----------------+ 7733 * | log2 block_size | Reserved(0000) | 7734 * +-----------------+----------------+ 7735 * 13 14 16 7736 */ 7737 memcpy(buff, zisofs_magic, 8); 7738 set_num_731(buff+8, file->zisofs.uncompressed_size); 7739 buff[12] = file->zisofs.header_size; 7740 buff[13] = file->zisofs.log2_bs; 7741 buff[14] = buff[15] = 0;/* Reserved */ 7742 7743 /* Move to the right position to write the header. */ 7744 wb_set_offset(a, file->content.offset_of_temp); 7745 7746 /* Write the header. */ 7747 if (wb_write_to_temp(a, buff, 16) != ARCHIVE_OK) 7748 return (ARCHIVE_FATAL); 7749 7750 /* 7751 * Write zisofs Block Pointers. 7752 */ 7753 s = iso9660->zisofs.block_pointers_cnt * 7754 sizeof(iso9660->zisofs.block_pointers[0]); 7755 if (wb_write_to_temp(a, iso9660->zisofs.block_pointers, s) 7756 != ARCHIVE_OK) 7757 return (ARCHIVE_FATAL); 7758 7759 /* Set a file pointer back to the end of the temporary file. */ 7760 wb_set_offset(a, tail); 7761 7762 return (ARCHIVE_OK); 7763 } 7764 7765 static int 7766 zisofs_free(struct archive_write *a) 7767 { 7768 struct iso9660 *iso9660 = a->format_data; 7769 int ret = ARCHIVE_OK; 7770 7771 free(iso9660->zisofs.block_pointers); 7772 if (iso9660->zisofs.stream_valid && 7773 deflateEnd(&(iso9660->zisofs.stream)) != Z_OK) { 7774 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7775 "Failed to clean up compressor"); 7776 ret = ARCHIVE_FATAL; 7777 } 7778 iso9660->zisofs.block_pointers = NULL; 7779 iso9660->zisofs.stream_valid = 0; 7780 return (ret); 7781 } 7782 7783 struct zisofs_extract { 7784 int pz_log2_bs; /* Log2 of block size */ 7785 uint64_t pz_uncompressed_size; 7786 size_t uncompressed_buffer_size; 7787 7788 int initialized:1; 7789 int header_passed:1; 7790 7791 uint32_t pz_offset; 7792 unsigned char *block_pointers; 7793 size_t block_pointers_size; 7794 size_t block_pointers_avail; 7795 size_t block_off; 7796 uint32_t block_avail; 7797 7798 z_stream stream; 7799 int stream_valid; 7800 }; 7801 7802 static ssize_t 7803 zisofs_extract_init(struct archive_write *a, struct zisofs_extract *zisofs, 7804 const unsigned char *p, size_t bytes) 7805 { 7806 size_t avail = bytes; 7807 size_t _ceil, xsize; 7808 7809 /* Allocate block pointers buffer. */ 7810 _ceil = (size_t)((zisofs->pz_uncompressed_size + 7811 (((int64_t)1) << zisofs->pz_log2_bs) - 1) 7812 >> zisofs->pz_log2_bs); 7813 xsize = (_ceil + 1) * 4; 7814 if (zisofs->block_pointers == NULL) { 7815 size_t alloc = ((xsize >> 10) + 1) << 10; 7816 zisofs->block_pointers = malloc(alloc); 7817 if (zisofs->block_pointers == NULL) { 7818 archive_set_error(&a->archive, ENOMEM, 7819 "No memory for zisofs decompression"); 7820 return (ARCHIVE_FATAL); 7821 } 7822 } 7823 zisofs->block_pointers_size = xsize; 7824 7825 /* Allocate uncompressed data buffer. */ 7826 zisofs->uncompressed_buffer_size = (size_t)1UL << zisofs->pz_log2_bs; 7827 7828 /* 7829 * Read the file header, and check the magic code of zisofs. 7830 */ 7831 if (!zisofs->header_passed) { 7832 int err = 0; 7833 if (avail < 16) { 7834 archive_set_error(&a->archive, 7835 ARCHIVE_ERRNO_FILE_FORMAT, 7836 "Illegal zisofs file body"); 7837 return (ARCHIVE_FATAL); 7838 } 7839 7840 if (memcmp(p, zisofs_magic, sizeof(zisofs_magic)) != 0) 7841 err = 1; 7842 else if (archive_le32dec(p + 8) != zisofs->pz_uncompressed_size) 7843 err = 1; 7844 else if (p[12] != 4 || p[13] != zisofs->pz_log2_bs) 7845 err = 1; 7846 if (err) { 7847 archive_set_error(&a->archive, 7848 ARCHIVE_ERRNO_FILE_FORMAT, 7849 "Illegal zisofs file body"); 7850 return (ARCHIVE_FATAL); 7851 } 7852 avail -= 16; 7853 p += 16; 7854 zisofs->header_passed = 1; 7855 } 7856 7857 /* 7858 * Read block pointers. 7859 */ 7860 if (zisofs->header_passed && 7861 zisofs->block_pointers_avail < zisofs->block_pointers_size) { 7862 xsize = zisofs->block_pointers_size 7863 - zisofs->block_pointers_avail; 7864 if (avail < xsize) 7865 xsize = avail; 7866 memcpy(zisofs->block_pointers 7867 + zisofs->block_pointers_avail, p, xsize); 7868 zisofs->block_pointers_avail += xsize; 7869 avail -= xsize; 7870 if (zisofs->block_pointers_avail 7871 == zisofs->block_pointers_size) { 7872 /* We've got all block pointers and initialize 7873 * related variables. */ 7874 zisofs->block_off = 0; 7875 zisofs->block_avail = 0; 7876 /* Complete a initialization */ 7877 zisofs->initialized = 1; 7878 } 7879 } 7880 return ((ssize_t)avail); 7881 } 7882 7883 static ssize_t 7884 zisofs_extract(struct archive_write *a, struct zisofs_extract *zisofs, 7885 const unsigned char *p, size_t bytes) 7886 { 7887 size_t avail; 7888 int r; 7889 7890 if (!zisofs->initialized) { 7891 ssize_t rs = zisofs_extract_init(a, zisofs, p, bytes); 7892 if (rs < 0) 7893 return (rs); 7894 if (!zisofs->initialized) { 7895 /* We need more data. */ 7896 zisofs->pz_offset += (uint32_t)bytes; 7897 return (bytes); 7898 } 7899 avail = rs; 7900 p += bytes - avail; 7901 } else 7902 avail = bytes; 7903 7904 /* 7905 * Get block offsets from block pointers. 7906 */ 7907 if (zisofs->block_avail == 0) { 7908 uint32_t bst, bed; 7909 7910 if (zisofs->block_off + 4 >= zisofs->block_pointers_size) { 7911 /* There isn't a pair of offsets. */ 7912 archive_set_error(&a->archive, 7913 ARCHIVE_ERRNO_FILE_FORMAT, 7914 "Illegal zisofs block pointers"); 7915 return (ARCHIVE_FATAL); 7916 } 7917 bst = archive_le32dec( 7918 zisofs->block_pointers + zisofs->block_off); 7919 if (bst != zisofs->pz_offset + (bytes - avail)) { 7920 archive_set_error(&a->archive, 7921 ARCHIVE_ERRNO_FILE_FORMAT, 7922 "Illegal zisofs block pointers(cannot seek)"); 7923 return (ARCHIVE_FATAL); 7924 } 7925 bed = archive_le32dec( 7926 zisofs->block_pointers + zisofs->block_off + 4); 7927 if (bed < bst) { 7928 archive_set_error(&a->archive, 7929 ARCHIVE_ERRNO_FILE_FORMAT, 7930 "Illegal zisofs block pointers"); 7931 return (ARCHIVE_FATAL); 7932 } 7933 zisofs->block_avail = bed - bst; 7934 zisofs->block_off += 4; 7935 7936 /* Initialize compression library for new block. */ 7937 if (zisofs->stream_valid) 7938 r = inflateReset(&zisofs->stream); 7939 else 7940 r = inflateInit(&zisofs->stream); 7941 if (r != Z_OK) { 7942 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7943 "Can't initialize zisofs decompression."); 7944 return (ARCHIVE_FATAL); 7945 } 7946 zisofs->stream_valid = 1; 7947 zisofs->stream.total_in = 0; 7948 zisofs->stream.total_out = 0; 7949 } 7950 7951 /* 7952 * Make uncompressed data. 7953 */ 7954 if (zisofs->block_avail == 0) { 7955 /* 7956 * It's basically 32K bytes NUL data. 7957 */ 7958 unsigned char *wb; 7959 size_t size, wsize; 7960 7961 size = zisofs->uncompressed_buffer_size; 7962 while (size) { 7963 wb = wb_buffptr(a); 7964 if (size > wb_remaining(a)) 7965 wsize = wb_remaining(a); 7966 else 7967 wsize = size; 7968 memset(wb, 0, wsize); 7969 r = wb_consume(a, wsize); 7970 if (r < 0) 7971 return (r); 7972 size -= wsize; 7973 } 7974 } else { 7975 zisofs->stream.next_in = (Bytef *)(uintptr_t)(const void *)p; 7976 if (avail > zisofs->block_avail) 7977 zisofs->stream.avail_in = zisofs->block_avail; 7978 else 7979 zisofs->stream.avail_in = (uInt)avail; 7980 zisofs->stream.next_out = wb_buffptr(a); 7981 zisofs->stream.avail_out = (uInt)wb_remaining(a); 7982 7983 r = inflate(&zisofs->stream, 0); 7984 switch (r) { 7985 case Z_OK: /* Decompressor made some progress.*/ 7986 case Z_STREAM_END: /* Found end of stream. */ 7987 break; 7988 default: 7989 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 7990 "zisofs decompression failed (%d)", r); 7991 return (ARCHIVE_FATAL); 7992 } 7993 avail -= zisofs->stream.next_in - p; 7994 zisofs->block_avail -= (uint32_t)(zisofs->stream.next_in - p); 7995 r = wb_consume(a, wb_remaining(a) - zisofs->stream.avail_out); 7996 if (r < 0) 7997 return (r); 7998 } 7999 zisofs->pz_offset += (uint32_t)bytes; 8000 return (bytes - avail); 8001 } 8002 8003 static int 8004 zisofs_rewind_boot_file(struct archive_write *a) 8005 { 8006 struct iso9660 *iso9660 = a->format_data; 8007 struct isofile *file; 8008 unsigned char *rbuff; 8009 ssize_t r; 8010 size_t remaining, rbuff_size; 8011 struct zisofs_extract zext; 8012 int64_t read_offset, write_offset, new_offset; 8013 int fd, ret = ARCHIVE_OK; 8014 8015 file = iso9660->el_torito.boot->file; 8016 /* 8017 * There is nothing to do if this boot file does not have 8018 * zisofs header. 8019 */ 8020 if (file->zisofs.header_size == 0) 8021 return (ARCHIVE_OK); 8022 8023 /* 8024 * Uncompress the zisofs'ed file contents. 8025 */ 8026 memset(&zext, 0, sizeof(zext)); 8027 zext.pz_uncompressed_size = file->zisofs.uncompressed_size; 8028 zext.pz_log2_bs = file->zisofs.log2_bs; 8029 8030 fd = iso9660->temp_fd; 8031 new_offset = wb_offset(a); 8032 read_offset = file->content.offset_of_temp; 8033 remaining = (size_t)file->content.size; 8034 if (remaining > 1024 * 32) 8035 rbuff_size = 1024 * 32; 8036 else 8037 rbuff_size = remaining; 8038 8039 rbuff = malloc(rbuff_size); 8040 if (rbuff == NULL) { 8041 archive_set_error(&a->archive, ENOMEM, "Can't allocate memory"); 8042 return (ARCHIVE_FATAL); 8043 } 8044 while (remaining) { 8045 size_t rsize; 8046 ssize_t rs; 8047 8048 /* Get the current file pointer. */ 8049 write_offset = lseek(fd, 0, SEEK_CUR); 8050 8051 /* Change the file pointer to read. */ 8052 lseek(fd, read_offset, SEEK_SET); 8053 8054 rsize = rbuff_size; 8055 if (rsize > remaining) 8056 rsize = remaining; 8057 rs = read(iso9660->temp_fd, rbuff, rsize); 8058 if (rs <= 0) { 8059 archive_set_error(&a->archive, errno, 8060 "Can't read temporary file(%jd)", (intmax_t)rs); 8061 ret = ARCHIVE_FATAL; 8062 break; 8063 } 8064 remaining -= rs; 8065 read_offset += rs; 8066 8067 /* Put the file pointer back to write. */ 8068 lseek(fd, write_offset, SEEK_SET); 8069 8070 r = zisofs_extract(a, &zext, rbuff, rs); 8071 if (r < 0) { 8072 ret = (int)r; 8073 break; 8074 } 8075 } 8076 8077 if (ret == ARCHIVE_OK) { 8078 /* 8079 * Change the boot file content from zisofs'ed data 8080 * to plain data. 8081 */ 8082 file->content.offset_of_temp = new_offset; 8083 file->content.size = file->zisofs.uncompressed_size; 8084 archive_entry_set_size(file->entry, file->content.size); 8085 /* Set to be no zisofs. */ 8086 file->zisofs.header_size = 0; 8087 file->zisofs.log2_bs = 0; 8088 file->zisofs.uncompressed_size = 0; 8089 r = wb_write_padding_to_temp(a, file->content.size); 8090 if (r < 0) 8091 ret = ARCHIVE_FATAL; 8092 } 8093 8094 /* 8095 * Free the resource we used in this function only. 8096 */ 8097 free(rbuff); 8098 free(zext.block_pointers); 8099 if (zext.stream_valid && inflateEnd(&(zext.stream)) != Z_OK) { 8100 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 8101 "Failed to clean up compressor"); 8102 ret = ARCHIVE_FATAL; 8103 } 8104 8105 return (ret); 8106 } 8107 8108 #else 8109 8110 static int 8111 zisofs_write_to_temp(struct archive_write *a, const void *buff, size_t s) 8112 { 8113 (void)buff; /* UNUSED */ 8114 (void)s; /* UNUSED */ 8115 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, "Programing error"); 8116 return (ARCHIVE_FATAL); 8117 } 8118 8119 static int 8120 zisofs_rewind_boot_file(struct archive_write *a) 8121 { 8122 struct iso9660 *iso9660 = a->format_data; 8123 8124 if (iso9660->el_torito.boot->file->zisofs.header_size != 0) { 8125 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 8126 "We cannot extract the zisofs imaged boot file;" 8127 " this may not boot in being zisofs imaged"); 8128 return (ARCHIVE_FAILED); 8129 } 8130 return (ARCHIVE_OK); 8131 } 8132 8133 static int 8134 zisofs_finish_entry(struct archive_write *a) 8135 { 8136 (void)a; /* UNUSED */ 8137 return (ARCHIVE_OK); 8138 } 8139 8140 static int 8141 zisofs_free(struct archive_write *a) 8142 { 8143 (void)a; /* UNUSED */ 8144 return (ARCHIVE_OK); 8145 } 8146 8147 #endif /* HAVE_ZLIB_H */ 8148 8149