1 /* $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $ */
4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
5 * Perez-Rathke and Ram Vedam. All rights reserved.
7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
8 * Alan Perez-Rathke and Ram Vedam.
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials provided
18 * with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
35 * Copyright (c) 2001 Wasabi Systems, Inc.
36 * All rights reserved.
38 * Written by Luke Mewburn for Wasabi Systems, Inc.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed for the NetBSD Project by
51 * Wasabi Systems, Inc.
52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
53 * or promote products derived from this software without specific prior
56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66 * POSSIBILITY OF SUCH DAMAGE.
69 * Copyright (c) 1982, 1986, 1989, 1993
70 * The Regents of the University of California. All rights reserved.
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
75 * 1. Redistributions of source code must retain the above copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 * notice, this list of conditions and the following disclaimer in the
79 * documentation and/or other materials provided with the distribution.
80 * 3. Neither the name of the University nor the names of its contributors
81 * may be used to endorse or promote products derived from this software
82 * without specific prior written permission.
84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
98 #include <sys/cdefs.h>
99 __FBSDID("$FreeBSD$");
101 #include <sys/param.h>
102 #include <sys/queue.h>
110 #include "cd9660/iso9660_rrip.h"
111 #include "cd9660/cd9660_archimedes.h"
113 static void cd9660_finalize_PVD(iso9660_disk *);
114 static cd9660node *cd9660_allocate_cd9660node(void);
115 static void cd9660_set_defaults(iso9660_disk *);
116 static int cd9660_arguments_set_string(const char *, const char *, int,
118 static void cd9660_populate_iso_dir_record(
119 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
121 static void cd9660_setup_root_node(iso9660_disk *);
122 static int cd9660_setup_volume_descriptors(iso9660_disk *);
124 static int cd9660_fill_extended_attribute_record(cd9660node *);
126 static void cd9660_sort_nodes(cd9660node *);
127 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *);
128 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *);
129 static int cd9660_compare_filename(const char *, const char *);
130 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
131 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int);
132 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int,
134 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *);
135 static void cd9660_sorting_nodes(cd9660node *);
136 static int cd9660_count_collisions(cd9660node *);
137 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *);
138 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *);
140 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int,
142 static void cd9660_free_structure(cd9660node *);
143 static int cd9660_generate_path_table(iso9660_disk *);
144 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *,
146 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *,
149 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *,
152 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
153 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
154 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
156 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
158 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
159 cd9660node *, int, int);
160 static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
161 cd9660node *, cd9660node *);
162 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
163 cd9660node *, cd9660node *);
164 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
166 static int cd9660_add_generic_bootimage(iso9660_disk *, const char *);
170 * Allocate and initialize a cd9660node
171 * @returns struct cd9660node * Pointer to new node, or NULL on error
174 cd9660_allocate_cd9660node(void)
176 cd9660node *temp = ecalloc(1, sizeof(*temp));
178 TAILQ_INIT(&temp->cn_children);
179 temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
180 temp->ptnext = temp->ptprev = temp->ptlast = NULL;
182 temp->isoDirRecord = NULL;
183 temp->isoExtAttributes = NULL;
184 temp->rr_real_parent = temp->rr_relocated = NULL;
185 temp->su_tail_data = NULL;
190 * Set default values for cd9660 extension to makefs
193 cd9660_set_defaults(iso9660_disk *diskStructure)
195 /*Fix the sector size for now, though the spec allows for other sizes*/
196 diskStructure->sectorSize = 2048;
198 /* Set up defaults in our own structure */
199 diskStructure->verbose_level = 0;
200 diskStructure->keep_bad_images = 0;
201 diskStructure->follow_sym_links = 0;
202 diskStructure->isoLevel = 2;
204 diskStructure->rock_ridge_enabled = 0;
205 diskStructure->rock_ridge_renamed_dir_name = 0;
206 diskStructure->rock_ridge_move_count = 0;
207 diskStructure->rr_moved_dir = 0;
209 diskStructure->archimedes_enabled = 0;
210 diskStructure->chrp_boot = 0;
212 diskStructure->include_padding_areas = 1;
214 /* Spec breaking functionality */
215 diskStructure->allow_deep_trees =
216 diskStructure->allow_start_dot =
217 diskStructure->allow_max_name =
218 diskStructure->allow_illegal_chars =
219 diskStructure->allow_lowercase =
220 diskStructure->allow_multidot =
221 diskStructure->omit_trailing_period = 0;
223 /* Make sure the PVD is clear */
224 memset(&diskStructure->primaryDescriptor, 0, 2048);
226 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128);
227 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128);
228 memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
229 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
230 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
231 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
233 strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
235 /* Boot support: Initially disabled */
236 diskStructure->has_generic_bootimage = 0;
237 diskStructure->generic_bootimage = NULL;
239 diskStructure->boot_image_directory = 0;
240 /*memset(diskStructure->boot_descriptor, 0, 2048);*/
242 diskStructure->is_bootable = 0;
243 TAILQ_INIT(&diskStructure->boot_images);
244 LIST_INIT(&diskStructure->boot_entries);
248 cd9660_prep_opts(fsinfo_t *fsopts)
250 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
252 #define OPT_STR(letter, name, desc) \
253 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
255 #define OPT_NUM(letter, name, field, min, max, desc) \
256 { letter, name, &diskStructure->field, \
257 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
258 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
259 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
262 #define OPT_BOOL(letter, name, field, desc) \
263 OPT_NUM(letter, name, field, 0, 1, desc)
265 const option_t cd9660_options[] = {
266 OPT_NUM('l', "isolevel", isoLevel,
268 OPT_NUM('v', "verbose", verbose_level,
269 0, 2, "Turns on verbose output"),
271 OPT_BOOL('h', "help", displayHelp,
272 "Show help message"),
273 OPT_BOOL('S', "follow-symlinks", follow_sym_links,
274 "Resolve symlinks in pathnames"),
275 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
276 "Enable Rock-Ridge extensions"),
277 OPT_BOOL('C', "chrp-boot", chrp_boot,
279 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
281 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
282 "Allow trees more than 8 levels"),
283 OPT_BOOL('a', "allow-max-name", allow_max_name,
284 "Allow 37 char filenames (unimplemented)"),
285 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
286 "Allow illegal characters in filenames"),
287 OPT_BOOL('m', "allow-multidot", allow_multidot,
288 "Allow multiple periods in filenames"),
289 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
290 "Omit trailing periods in filenames"),
291 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
292 "Allow lowercase characters in filenames"),
293 OPT_BOOL('\0', "archimedes", archimedes_enabled,
294 "Enable Archimedes structure"),
295 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
296 "Include padding areas"),
298 OPT_STR('A', "applicationid", "Application Identifier"),
299 OPT_STR('P', "publisher", "Publisher Identifier"),
300 OPT_STR('p', "preparer", "Preparer Identifier"),
301 OPT_STR('L', "label", "Disk Label"),
302 OPT_STR('V', "volumeid", "Volume Set Identifier"),
303 OPT_STR('B', "bootimage", "Boot image parameter"),
304 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
305 OPT_STR('\0', "bootimagedir", "Boot image directory"),
306 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
307 OPT_STR('\0', "no-boot", "No boot support"),
308 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
309 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
314 fsopts->fs_specific = diskStructure;
315 fsopts->fs_options = copy_opts(cd9660_options);
317 cd9660_set_defaults(diskStructure);
321 cd9660_cleanup_opts(fsinfo_t *fsopts)
323 free(fsopts->fs_specific);
324 free(fsopts->fs_options);
328 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
329 char testmode, char * dest)
334 warnx("error: The %s requires a string argument", fieldtitle);
335 else if ((len = strlen(val)) <= length) {
337 test = cd9660_valid_d_chars(val);
339 test = cd9660_valid_a_chars(val);
341 memcpy(dest, val, len);
343 cd9660_uppercase_characters(dest, len);
346 warnx("error: The %s must be composed of "
347 "%c-characters", fieldtitle, testmode);
349 warnx("error: The %s must be at most 32 characters long",
355 * Command-line parsing function
359 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
362 iso9660_disk *diskStructure = fsopts->fs_specific;
363 option_t *cd9660_options = fsopts->fs_options;
365 const char *name, *desc;
367 assert(option != NULL);
369 if (debug & DEBUG_FS_PARSE_OPTS)
370 printf("%s: got `%s'\n", __func__, option);
372 i = set_option(cd9660_options, option, buf, sizeof(buf));
376 if (cd9660_options[i].name == NULL)
379 name = cd9660_options[i].name;
380 desc = cd9660_options[i].desc;
381 switch (cd9660_options[i].letter) {
384 rv = 0; /* this is not handled yet */
387 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
388 diskStructure->primaryDescriptor.volume_id);
391 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
392 diskStructure->primaryDescriptor.application_id);
395 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
396 diskStructure->primaryDescriptor.publisher_id);
399 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
400 diskStructure->primaryDescriptor.preparer_id);
403 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
404 diskStructure->primaryDescriptor.volume_set_id);
408 if (buf[0] == '\0') {
409 warnx("The Boot Image parameter requires a valid boot"
410 "information string");
413 rv = cd9660_add_boot_disk(diskStructure, buf);
416 if (buf[0] == '\0') {
417 warnx("The Generic Boot Image parameter requires a"
418 " valid boot information string");
421 rv = cd9660_add_generic_bootimage(diskStructure, buf);
424 if (strcmp(name, "bootimagedir") == 0) {
426 * XXXfvdl this is unused.
428 if (buf[0] == '\0') {
429 warnx("The Boot Image Directory parameter"
430 " requires a directory name");
433 diskStructure->boot_image_directory =
434 emalloc(strlen(buf) + 1);
435 /* BIG TODO: Add the max length function here */
436 rv = cd9660_arguments_set_string(buf, desc, 12,
437 'd', diskStructure->boot_image_directory);
439 } else if (strcmp(name, "no-emul-boot") == 0 ||
440 strcmp(name, "no-boot") == 0 ||
441 strcmp(name, "hard-disk-boot") == 0) {
443 cd9660_eltorito_add_boot_option(diskStructure, name, 0);
445 } else if (strcmp(name, "boot-load-segment") == 0) {
446 if (buf[0] == '\0') {
447 warnx("Option `%s' doesn't contain a value",
451 cd9660_eltorito_add_boot_option(diskStructure,
462 * Main function for cd9660_makefs
463 * Builds the ISO image file
464 * @param const char *image The image filename to create
465 * @param const char *dir The directory that is being read
466 * @param struct fsnode *root The root node of the filesystem tree
467 * @param struct fsinfo_t *fsopts Any options
470 cd9660_makefs(const char *image, const char *dir, fsnode *root,
475 uint64_t pathTableSectors;
476 int64_t firstAvailableSector;
479 cd9660node *real_root;
480 iso9660_disk *diskStructure = fsopts->fs_specific;
482 if (diskStructure->verbose_level > 0)
483 printf("%s: ISO level is %i\n", __func__,
484 diskStructure->isoLevel);
485 if (diskStructure->isoLevel < 2 &&
486 diskStructure->allow_multidot)
487 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
489 assert(image != NULL);
491 assert(root != NULL);
493 if (diskStructure->displayHelp) {
495 * Display help here - probably want to put it in
496 * a separate function
501 if (diskStructure->verbose_level > 0)
502 printf("%s: image %s directory %s root %p\n", __func__,
505 /* Set up some constants. Later, these will be defined with options */
507 /* Counter needed for path tables */
510 /* Convert tree to our own format */
511 /* Actually, we now need to add the REAL root node, at level 0 */
513 real_root = cd9660_allocate_cd9660node();
514 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
515 /* Leave filename blank for root */
516 memset(real_root->isoDirRecord->name, 0,
517 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
519 real_root->level = 0;
520 diskStructure->rootNode = real_root;
521 real_root->type = CD9660_TYPE_DIR;
523 real_root->node = root;
524 cd9660_convert_structure(diskStructure, root, real_root, 1,
525 &numDirectories, &error);
527 if (TAILQ_EMPTY(&real_root->cn_children)) {
528 errx(EXIT_FAILURE, "%s: converted directory is empty. "
529 "Tree conversion failed", __func__);
530 } else if (error != 0) {
531 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
533 if (diskStructure->verbose_level > 0)
534 printf("%s: tree converted\n", __func__);
537 /* Add the dot and dot dot records */
538 cd9660_add_dot_records(diskStructure, real_root);
540 cd9660_setup_root_node(diskStructure);
542 if (diskStructure->verbose_level > 0)
543 printf("%s: done converting tree\n", __func__);
545 /* non-SUSP extensions */
546 if (diskStructure->archimedes_enabled)
547 archimedes_convert_tree(diskStructure->rootNode);
549 /* Rock ridge / SUSP init pass */
550 if (diskStructure->rock_ridge_enabled) {
551 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
552 diskStructure->rootNode, NULL);
555 /* Build path table structure */
556 diskStructure->pathTableLength = cd9660_generate_path_table(
559 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
560 diskStructure->pathTableLength);
562 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
563 if (diskStructure->is_bootable) {
564 firstAvailableSector = cd9660_setup_boot(diskStructure,
565 firstAvailableSector);
566 if (firstAvailableSector < 0)
567 errx(EXIT_FAILURE, "setup_boot failed");
569 /* LE first, then BE */
570 diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
571 diskStructure->primaryBigEndianTableSector =
572 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
574 /* Set the secondary ones to -1, not going to use them for now */
575 diskStructure->secondaryBigEndianTableSector = -1;
576 diskStructure->secondaryLittleEndianTableSector = -1;
578 diskStructure->dataFirstSector =
579 diskStructure->primaryBigEndianTableSector + pathTableSectors;
580 if (diskStructure->verbose_level > 0)
581 printf("%s: Path table conversion complete. "
582 "Each table is %i bytes, or %" PRIu64 " sectors.\n",
584 diskStructure->pathTableLength, pathTableSectors);
586 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
588 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
590 diskStructure->totalSectors = diskStructure->dataFirstSector +
591 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
593 /* Disabled until pass 1 is done */
594 if (diskStructure->rock_ridge_enabled) {
595 diskStructure->susp_continuation_area_start_sector =
596 diskStructure->totalSectors;
597 diskStructure->totalSectors +=
598 CD9660_BLOCKS(diskStructure->sectorSize,
599 diskStructure->susp_continuation_area_size);
600 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
604 cd9660_finalize_PVD(diskStructure);
606 /* Add padding sectors, just for testing purposes right now */
607 /* diskStructure->totalSectors+=150; */
609 /* Debugging output */
610 if (diskStructure->verbose_level > 0) {
611 printf("%s: Sectors 0-15 reserved\n", __func__);
612 printf("%s: Primary path tables starts in sector %"
613 PRId64 "\n", __func__,
614 diskStructure->primaryLittleEndianTableSector);
615 printf("%s: File data starts in sector %"
616 PRId64 "\n", __func__, diskStructure->dataFirstSector);
617 printf("%s: Total sectors: %"
618 PRId64 "\n", __func__, diskStructure->totalSectors);
622 * Add padding sectors at the end
623 * TODO: Clean this up and separate padding
625 if (diskStructure->include_padding_areas)
626 diskStructure->totalSectors += 150;
628 cd9660_write_image(diskStructure, image);
630 if (diskStructure->verbose_level > 1) {
631 debug_print_volume_descriptor_information(diskStructure);
632 debug_print_tree(diskStructure, real_root, 0);
633 debug_print_path_tree(real_root);
636 /* Clean up data structures */
637 cd9660_free_structure(real_root);
639 if (diskStructure->verbose_level > 0)
640 printf("%s: done\n", __func__);
643 /* Generic function pointer - implement later */
644 typedef int (*cd9660node_func)(cd9660node *);
647 cd9660_finalize_PVD(iso9660_disk *diskStructure)
649 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
651 /* root should be a fixed size of 34 bytes since it has no name */
652 memcpy(diskStructure->primaryDescriptor.root_directory_record,
653 diskStructure->rootNode->dot_record->isoDirRecord, 34);
655 /* In RRIP, this might be longer than 34 */
656 diskStructure->primaryDescriptor.root_directory_record[0] = 34;
658 /* Set up all the important numbers in the PVD */
659 cd9660_bothendian_dword(diskStructure->totalSectors,
660 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
661 cd9660_bothendian_word(1,
662 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
663 cd9660_bothendian_word(1,
665 diskStructure->primaryDescriptor.volume_sequence_number);
666 cd9660_bothendian_word(diskStructure->sectorSize,
668 diskStructure->primaryDescriptor.logical_block_size);
669 cd9660_bothendian_dword(diskStructure->pathTableLength,
670 (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
672 cd9660_731(diskStructure->primaryLittleEndianTableSector,
673 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
674 cd9660_732(diskStructure->primaryBigEndianTableSector,
675 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
677 diskStructure->primaryDescriptor.file_structure_version[0] = 1;
679 /* Pad all strings with spaces instead of nulls */
680 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
681 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
682 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
684 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
686 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
688 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
690 cd9660_pad_string_spaces(
691 diskStructure->primaryDescriptor.copyright_file_id, 37);
692 cd9660_pad_string_spaces(
693 diskStructure->primaryDescriptor.abstract_file_id, 37);
694 cd9660_pad_string_spaces(
695 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
699 (unsigned char *)diskStructure->primaryDescriptor.creation_date,
702 (unsigned char *)diskStructure->primaryDescriptor.modification_date,
706 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
710 memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
711 diskStructure->primaryDescriptor.expiration_date[16] = 0;
714 (unsigned char *)diskStructure->primaryDescriptor.effective_date,
717 cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
722 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
723 u_char ext_attr_length, u_char flags,
724 u_char name_len, const char * name)
726 record->ext_attr_length[0] = ext_attr_length;
727 record->flags[0] = ISO_FLAG_CLEAR | flags;
728 record->file_unit_size[0] = 0;
729 record->interleave[0] = 0;
730 cd9660_bothendian_word(1, record->volume_sequence_number);
731 record->name_len[0] = name_len;
732 memset(record->name, '\0', sizeof (record->name));
733 memcpy(record->name, name, name_len);
734 record->length[0] = 33 + name_len;
736 /* Todo : better rounding */
737 record->length[0] += (record->length[0] & 1) ? 1 : 0;
741 cd9660_setup_root_node(iso9660_disk *diskStructure)
743 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
744 0, ISO_FLAG_DIRECTORY, 1, "\0");
748 /*********** SUPPORT FUNCTIONS ***********/
750 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
752 /* Boot volume descriptor should come second */
754 /* For now, a fixed 2 : PVD and terminator */
755 volume_descriptor *temp, *t;
758 temp = emalloc(sizeof(*temp));
759 temp->volumeDescriptorData =
760 (unsigned char *)&diskStructure->primaryDescriptor;
761 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
762 temp->volumeDescriptorData[6] = 1;
763 temp->sector = sector;
764 memcpy(temp->volumeDescriptorData + 1,
765 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
766 diskStructure->firstVolumeDescriptor = temp;
769 /* Set up boot support if enabled. BVD must reside in sector 17 */
770 if (diskStructure->is_bootable) {
771 t = emalloc(sizeof(*t));
772 t->volumeDescriptorData = ecalloc(1, 2048);
776 if (diskStructure->verbose_level > 0)
777 printf("Setting up boot volume descriptor\n");
778 cd9660_setup_boot_volume_descriptor(diskStructure, t);
782 /* Set up the terminator */
783 t = emalloc(sizeof(*t));
784 t->volumeDescriptorData = ecalloc(1, 2048);
786 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
788 t->volumeDescriptorData[6] = 1;
790 memcpy(t->volumeDescriptorData + 1,
791 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
799 * Populate EAR at some point. Not required, but is used by NetBSD's
803 cd9660_fill_extended_attribute_record(cd9660node *node)
805 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
811 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
813 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
815 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
817 /* Now populate the isoDirRecord structure */
818 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
820 (void)cd9660_convert_filename(diskStructure, newnode->node->name,
821 temp, !(S_ISDIR(newnode->node->type)));
823 flag = ISO_FLAG_CLEAR;
824 if (S_ISDIR(newnode->node->type))
825 flag |= ISO_FLAG_DIRECTORY;
827 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
828 flag, strlen(temp), temp);
830 /* Set the various dates */
832 /* If we want to use the current date and time */
834 cd9660_time_915(newnode->isoDirRecord->date, tstamp);
836 cd9660_bothendian_dword(newnode->fileDataLength,
837 newnode->isoDirRecord->size);
838 /* If the file is a link, we want to set the size to 0 */
839 if (S_ISLNK(newnode->node->type))
840 newnode->fileDataLength = 0;
846 * Translate fsnode to cd9660node
847 * Translate filenames and other metadata, including dates, sizes,
849 * @param struct fsnode * The node generated by makefs
850 * @param struct cd9660node * The intermediate node to be written to
851 * @returns int 0 on failure, 1 on success
854 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
858 if (diskStructure->verbose_level > 0)
859 printf("%s: NULL node passed, returning\n", __func__);
862 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
863 /* Set the node pointer */
864 newnode->node = node;
867 if (!(S_ISDIR(node->type)))
868 newnode->fileDataLength = node->inode->st.st_size;
870 if (cd9660_translate_node_common(diskStructure, newnode) == 0)
873 /* Finally, overwrite some of the values that are set by default */
874 cd9660_time_915(newnode->isoDirRecord->date,
875 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
881 * Compares two ISO filenames
882 * @param const char * The first file name
883 * @param const char * The second file name
884 * @returns : -1 if first is less than second, 0 if they are the same, 1 if
885 * the second is greater than the first
888 cd9660_compare_filename(const char *first, const char *second)
891 * This can be made more optimal once it has been tested
892 * (the extra character, for example, is for testing)
898 /* First, on the filename */
900 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
901 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
904 if (c1 == '.' && c2 =='.')
906 else if (c1 == '.') {
909 } else if (c2 == '.') {
924 if (first[p1] == '.' && second[p2] == '.') {
927 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
928 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
931 if (c1 == ';' && c2 == ';')
933 else if (c1 == ';') {
936 } else if (c2 == ';') {
954 * Insert a node into list with ISO sorting rules
955 * @param cd9660node * The head node of the list
956 * @param cd9660node * The node to be inserted
959 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
963 struct cd9660_children_head *head = &parent->cn_children;
965 /* TODO: Optimize? */
966 cn_new->parent = parent;
969 * first will either be 0, the . or the ..
970 * if . or .., this means no other entry may be written before first
971 * if 0, the new node may be inserted at the head
974 TAILQ_FOREACH(cn, head, cn_next_child) {
976 * Dont insert a node twice -
977 * that would cause an infinite loop
982 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
983 cn->isoDirRecord->name);
986 compare = cd9660_compare_filename(cn_new->node->name,
993 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
995 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
999 * Called After cd9660_sorted_child_insert
1000 * handles file collisions by suffixing each filname with ~n
1001 * where n represents the files respective place in the ordering
1004 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
1007 cd9660node *iter, *next, *prev;
1009 int delete_chars = 0;
1010 int temp_past = past;
1013 cd9660node *end_of_range;
1015 for (iter = TAILQ_FIRST(&colliding->cn_children);
1016 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1017 if (strcmp(iter->isoDirRecord->name,
1018 next->isoDirRecord->name) != 0) {
1019 iter = TAILQ_NEXT(iter, cn_next_child);
1023 temp_skip = skip = cd9660_count_collisions(iter);
1024 end_of_range = iter;
1025 while (temp_skip > 0) {
1027 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1030 while (temp_past > 0) {
1031 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1032 end_of_range = next;
1033 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1040 iter = cd9660_rename_filename(diskStructure, iter, skip,
1048 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1052 int numbts, digit, digits, temp, powers, count;
1057 if (diskStructure->verbose_level > 0)
1058 printf("Rename_filename called\n");
1060 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1061 /* TODO : A LOT of chanes regarding 8.3 filenames */
1062 if (diskStructure->isoLevel == 1)
1064 else if (diskStructure->isoLevel == 2)
1067 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1069 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1071 while (i < num && iter) {
1075 while (((int)(i / powers) ) >= 10) {
1077 powers = powers * 10;
1080 naming = iter->o_name;
1083 while ((*naming != '.') && (*naming != ';')) {
1089 while (count < maxlength) {
1096 if ((count + digits) < maxlength)
1099 numbts = maxlength - (digits);
1100 numbts -= delete_chars;
1102 /* 8.3 rules - keep the extension, add before the dot */
1105 * This code makes a bunch of assumptions.
1106 * See if you can spot them all :)
1110 if (diskStructure->isoLevel == 1) {
1111 numbts = 8 - digits - delete_chars;
1116 memmove(&tmp[numbts],&tmp[dot],4);
1122 /* (copying just the filename before the '.' */
1123 memcpy(tmp, (iter->o_name), numbts);
1125 /* adding the appropriate number following the name */
1127 while (digits > 0) {
1128 digit = (int)(temp / powers);
1129 temp = temp - digit * powers;
1130 sprintf(&tmp[numbts] , "%d", digit);
1133 powers = powers / 10;
1136 while ((*naming != ';') && (numbts < maxlength)) {
1137 tmp[numbts] = (*naming);
1143 tmp[numbts+1] = '1';
1144 tmp[numbts+2] = '\0';
1147 * now tmp has exactly the identifier
1148 * we want so we'll copy it back to record
1150 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1152 iter = TAILQ_NEXT(iter, cn_next_child);
1160 /* Todo: Figure out why these functions are nec. */
1162 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1166 if (TAILQ_EMPTY(&node->cn_children))
1169 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1170 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1174 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1175 cd9660_copy_filenames(diskStructure, cn);
1176 memcpy(cn->o_name, cn->isoDirRecord->name,
1177 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1182 cd9660_sorting_nodes(cd9660node *node)
1186 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1187 cd9660_sorting_nodes(cn);
1188 cd9660_sort_nodes(node);
1191 /* XXX Bubble sort. */
1193 cd9660_sort_nodes(cd9660node *node)
1195 cd9660node *cn, *next;
1198 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1199 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1201 else if (strcmp(next->isoDirRecord->name,
1202 cn->isoDirRecord->name) >= 0)
1204 TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1205 TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1208 } while (cn != NULL);
1212 cd9660_count_collisions(cd9660node *copy)
1215 cd9660node *iter, *next;
1218 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1220 if (cd9660_compare_filename(iter->isoDirRecord->name,
1221 next->isoDirRecord->name) == 0)
1227 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1228 printf("%s: count is %i\n", __func__, count);
1229 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1230 next->isoDirRecord->name);
1233 return cd9660_recurse_on_collision(next, count);
1242 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1248 * This function needs to:
1249 * 1) Create an empty virtual file in place of the old directory
1250 * 2) Point the virtual file to the new directory
1251 * 3) Point the relocated directory to its old parent
1252 * 4) Move the directory specified by dir into rr_moved_dir,
1253 * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1256 /* First see if the moved directory even exists */
1257 if (diskStructure->rr_moved_dir == NULL) {
1258 diskStructure->rr_moved_dir = cd9660_create_directory(
1259 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1260 diskStructure->rootNode, dir);
1261 if (diskStructure->rr_moved_dir == NULL)
1263 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1264 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1267 /* Create a file with the same ORIGINAL name */
1268 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1273 diskStructure->rock_ridge_move_count++;
1274 snprintf(newname, sizeof(newname), "%08i",
1275 diskStructure->rock_ridge_move_count);
1277 /* Point to old parent */
1278 dir->rr_real_parent = dir->parent;
1280 /* Place the placeholder file */
1281 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1282 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1285 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1288 /* Point to new parent */
1289 dir->parent = diskStructure->rr_moved_dir;
1291 /* Point the file to the moved directory */
1292 tfile->rr_relocated = dir;
1294 /* Actually move the directory */
1295 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1297 /* TODO: Inherit permissions / ownership (basically the entire inode) */
1299 /* Set the new name */
1300 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1301 strncpy(dir->isoDirRecord->name, newname, 8);
1302 dir->isoDirRecord->length[0] = 34 + 8;
1303 dir->isoDirRecord->name_len[0] = 8;
1309 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1311 struct cd9660_children_head *head = &root->cn_children;
1314 TAILQ_FOREACH(cn, head, cn_next_child) {
1315 if ((cn->type & CD9660_TYPE_DIR) == 0)
1317 /* Recursion first */
1318 cd9660_add_dot_records(diskStructure, cn);
1320 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1321 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1327 * Convert node to cd9660 structure
1328 * This function is designed to be called recursively on the root node of
1330 * Lots of recursion going on here, want to make sure it is efficient
1331 * @param struct fsnode * The root node to be converted
1332 * @param struct cd9660* The parent node (should not be NULL)
1333 * @param int Current directory depth
1334 * @param int* Running count of the number of directories that are being created
1337 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1338 cd9660node *parent_node, int level, int *numDirectories, int *error)
1340 fsnode *iterator = root;
1341 cd9660node *this_node;
1348 * Newer, more efficient method, reduces recursion depth
1351 warnx("%s: root is null", __func__);
1355 /* Test for an empty directory - makefs still gives us the . record */
1356 if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1357 && (root->name[1] == '\0')) {
1362 if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1363 CD9660_MEM_ALLOC_ERROR(__func__);
1367 * To reduce the number of recursive calls, we will iterate over
1368 * the next pointers to the right.
1370 while (iterator != NULL) {
1373 * Increment the directory count if this is a directory
1374 * Ignore "." entries. We will generate them later
1376 if (!S_ISDIR(iterator->type) ||
1377 strcmp(iterator->name, ".") != 0) {
1379 /* Translate the node, including its filename */
1380 this_node->parent = parent_node;
1381 cd9660_translate_node(diskStructure, iterator,
1383 this_node->level = level;
1385 if (S_ISDIR(iterator->type)) {
1386 (*numDirectories)++;
1387 this_node->type = CD9660_TYPE_DIR;
1388 working_level = level + 1;
1391 * If at level 8, directory would be at 8
1392 * and have children at 9 which is not
1393 * allowed as per ISO spec
1396 if ((!diskStructure->allow_deep_trees) &&
1397 (!diskStructure->rock_ridge_enabled)) {
1398 warnx("error: found entry "
1399 "with depth greater "
1403 } else if (diskStructure->
1404 rock_ridge_enabled) {
1407 * Moved directory is actually
1412 if (cd9660_rrip_move_directory(
1414 this_node) == NULL) {
1426 /* Do the recursive call on the children */
1427 if (iterator->child != NULL) {
1428 cd9660_convert_structure(diskStructure,
1429 iterator->child, this_node,
1431 numDirectories, error);
1433 if ((*error) == 1) {
1434 warnx("%s: Error on recursive "
1441 /* Only directories should have children */
1442 assert(iterator->child == NULL);
1444 this_node->type = CD9660_TYPE_FILE;
1448 * Finally, do a sorted insert
1451 cd9660_sorted_child_insert(
1452 parent_node, this_node);
1455 /*Allocate new temp_node */
1456 if (iterator->next != NULL) {
1457 this_node = cd9660_allocate_cd9660node();
1458 if (this_node == NULL)
1459 CD9660_MEM_ALLOC_ERROR(__func__);
1462 iterator = iterator->next;
1465 /* cd9660_handle_collisions(first_node); */
1467 /* TODO: need cleanup */
1468 cd9660_copy_filenames(diskStructure, parent_node);
1471 flag = cd9660_handle_collisions(diskStructure, parent_node,
1474 cd9660_sorting_nodes(parent_node);
1475 } while ((flag == 1) && (counter < 100));
1479 * Clean up the cd9660node tree
1480 * This is designed to be called recursively on the root node
1481 * @param struct cd9660node *root The node to free
1485 cd9660_free_structure(cd9660node *root)
1489 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1490 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1491 cd9660_free_structure(cn);
1497 * Be a little more memory conservative:
1498 * instead of having the TAILQ_ENTRY as part of the cd9660node,
1499 * just create a temporary structure
1501 static struct ptq_entry
1503 TAILQ_ENTRY(ptq_entry) ptq;
1507 #define PTQUEUE_NEW(n,s,r,t){\
1508 n = emalloc(sizeof(struct s)); \
1513 * Generate the path tables
1514 * The specific implementation of this function is left as an exercise to the
1515 * programmer. It could be done recursively. Make sure you read how the path
1516 * table has to be laid out, it has levels.
1517 * @param struct iso9660_disk *disk The disk image
1518 * @returns int The number of built path tables (between 1 and 4), 0 on failure
1521 cd9660_generate_path_table(iso9660_disk *diskStructure)
1523 cd9660node *cn, *dirNode = diskStructure->rootNode;
1524 cd9660node *last = dirNode;
1525 int pathTableSize = 0; /* computed as we go */
1526 int counter = 1; /* root gets a count of 0 */
1528 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1529 TAILQ_INIT(&pt_head);
1531 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1533 /* Push the root node */
1534 TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1536 /* Breadth-first traversal of file structure */
1537 while (pt_head.tqh_first != 0) {
1538 n = pt_head.tqh_first;
1540 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1543 /* Update the size */
1544 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1545 + dirNode->isoDirRecord->name_len[0]+
1546 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1547 /* includes the padding bit */
1549 dirNode->ptnumber=counter;
1550 if (dirNode != last) {
1551 last->ptnext = dirNode;
1552 dirNode->ptprev = last;
1556 /* Push children onto queue */
1557 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1559 * Dont add the DOT and DOTDOT types to the path
1562 if ((cn->type != CD9660_TYPE_DOT)
1563 && (cn->type != CD9660_TYPE_DOTDOT)) {
1565 if (S_ISDIR(cn->node->type)) {
1566 PTQUEUE_NEW(n, ptq_entry, -1, cn);
1567 TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1573 return pathTableSize;
1577 cd9660_compute_full_filename(cd9660node *node, char *buf)
1581 len = CD9660MAXPATH + 1;
1582 len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1583 node->node->path, node->node->name);
1584 if (len > CD9660MAXPATH)
1585 errx(EXIT_FAILURE, "Pathname too long.");
1588 /* NEW filename conversion method */
1589 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
1594 * TODO: These two functions are almost identical.
1595 * Some code cleanup is possible here
1597 * XXX bounds checking!
1600 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1601 char *newname, int is_file)
1605 * File Name shall not contain more than 8 d or d1 characters
1606 * File Name Extension shall not contain more than 3 d or d1 characters
1607 * Directory Identifier shall not contain more than 8 d or d1 characters
1613 while (*oldname != '\0' && extlen < 3) {
1614 /* Handle period first, as it is special */
1615 if (*oldname == '.') {
1625 /* cut RISC OS file type off ISO name */
1626 if (diskStructure->archimedes_enabled &&
1627 *oldname == ',' && strlen(oldname) == 4)
1630 /* Enforce 12.3 / 8 */
1631 if (namelen == 8 && !found_ext)
1634 if (islower((unsigned char)*oldname))
1635 *newname++ = toupper((unsigned char)*oldname);
1636 else if (isupper((unsigned char)*oldname)
1637 || isdigit((unsigned char)*oldname))
1638 *newname++ = *oldname;
1650 if (!found_ext && !diskStructure->omit_trailing_period)
1653 sprintf(newname, ";%i", 1);
1655 return namelen + extlen + found_ext;
1658 /* XXX bounds checking! */
1660 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1661 char *newname, int is_file)
1665 * File name : 0+ d or d1 characters
1667 * File name extension : 0+ d or d1 characters
1669 * File version number (5 characters, 1-32767)
1670 * 1 <= Sum of File name and File name extension <= 30
1676 while (*oldname != '\0' && namelen + extlen < 30) {
1677 /* Handle period first, as it is special */
1678 if (*oldname == '.') {
1680 if (diskStructure->allow_multidot) {
1692 /* cut RISC OS file type off ISO name */
1693 if (diskStructure->archimedes_enabled &&
1694 *oldname == ',' && strlen(oldname) == 4)
1697 if (islower((unsigned char)*oldname))
1698 *newname++ = toupper((unsigned char)*oldname);
1699 else if (isupper((unsigned char)*oldname) ||
1700 isdigit((unsigned char)*oldname))
1701 *newname++ = *oldname;
1702 else if (diskStructure->allow_multidot &&
1717 if (!found_ext && !diskStructure->omit_trailing_period)
1720 sprintf(newname, ";%i", 1);
1722 return namelen + extlen + found_ext;
1727 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1728 char *newname, int is_file)
1730 /* TODO: implement later, move to cd9660_joliet.c ?? */
1736 * Convert a file name to ISO compliant file name
1737 * @param char * oldname The original filename
1738 * @param char ** newname The new file name, in the appropriate character
1739 * set and of appropriate length
1740 * @param int 1 if file, 0 if directory
1741 * @returns int The length of the new string
1744 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1745 char *newname, int is_file)
1747 assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1749 cd9660_filename_conversion_functor conversion_function = NULL;
1750 if (diskStructure->isoLevel == 1)
1751 conversion_function = &cd9660_level1_convert_filename;
1752 else if (diskStructure->isoLevel == 2)
1753 conversion_function = &cd9660_level2_convert_filename;
1754 return (*conversion_function)(diskStructure, oldname, newname, is_file);
1758 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1760 int size = node->isoDirRecord->length[0];
1762 if (diskStructure->rock_ridge_enabled)
1763 size += node->susp_entry_size;
1764 size += node->su_tail_size;
1765 size += size & 1; /* Ensure length of record is even. */
1766 assert(size <= 254);
1771 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1773 node->dot_record->fileDataSector = node->fileDataSector;
1774 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1775 node->dot_record->isoDirRecord->name_len[0] = 1;
1776 node->dot_record->isoDirRecord->name[0] = 0;
1777 node->dot_record->isoDirRecord->name[1] = 0;
1778 node->dot_record->isoDirRecord->length[0] = 34;
1779 node->dot_record->fileRecordSize =
1780 cd9660_compute_record_size(diskStructure, node->dot_record);
1782 if (node == diskStructure->rootNode) {
1783 node->dot_dot_record->fileDataSector = node->fileDataSector;
1784 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1787 node->dot_dot_record->fileDataSector =
1788 node->parent->fileDataSector;
1789 memcpy(node->dot_dot_record->isoDirRecord,
1790 node->parent->isoDirRecord,34);
1792 node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1793 node->dot_dot_record->isoDirRecord->name[0] = 1;
1794 node->dot_dot_record->isoDirRecord->name[1] = 0;
1795 node->dot_dot_record->isoDirRecord->length[0] = 34;
1796 node->dot_dot_record->fileRecordSize =
1797 cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1801 * @param struct cd9660node *node The node
1802 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1803 * @returns int The total size of files and directory entries (should be
1804 * a multiple of sector size)
1807 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1808 int64_t startOffset)
1811 * This function needs to compute the size of directory records and
1812 * runs, file lengths, and set the appropriate variables both in
1813 * cd9660node and isoDirEntry
1815 int64_t used_bytes = 0;
1816 int64_t current_sector_usage = 0;
1821 assert(node != NULL);
1825 * NOTE : There needs to be some special case detection for
1826 * the "real root" node, since for it, node->node is undefined
1829 node->fileDataSector = -1;
1831 if (node->type & CD9660_TYPE_DIR) {
1832 node->fileRecordSize = cd9660_compute_record_size(
1833 diskStructure, node);
1834 /*Set what sector this directory starts in*/
1835 node->fileDataSector =
1836 CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1838 cd9660_bothendian_dword(node->fileDataSector,
1839 node->isoDirRecord->extent);
1842 * First loop over children, need to know the size of
1843 * their directory records
1845 node->fileSectorsUsed = 1;
1846 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1847 node->fileDataLength +=
1848 cd9660_compute_record_size(diskStructure, child);
1849 if ((cd9660_compute_record_size(diskStructure, child) +
1850 current_sector_usage) >=
1851 diskStructure->sectorSize) {
1852 current_sector_usage = 0;
1853 node->fileSectorsUsed++;
1856 current_sector_usage +=
1857 cd9660_compute_record_size(diskStructure, child);
1860 cd9660_bothendian_dword(node->fileSectorsUsed *
1861 diskStructure->sectorSize,node->isoDirRecord->size);
1864 * This should point to the sector after the directory
1865 * record (or, the first byte in that sector)
1867 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1869 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1870 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1871 /* Directories need recursive call */
1872 if (S_ISDIR(child->node->type)) {
1873 r = cd9660_compute_offsets(diskStructure, child,
1874 used_bytes + startOffset);
1883 /* Explicitly set the . and .. records */
1884 cd9660_populate_dot_records(diskStructure, node);
1886 /* Finally, do another iteration to write the file data*/
1887 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1889 child = TAILQ_NEXT(child, cn_next_child)) {
1890 /* Files need extent set */
1891 if (S_ISDIR(child->node->type))
1893 child->fileRecordSize =
1894 cd9660_compute_record_size(diskStructure, child);
1896 child->fileSectorsUsed =
1897 CD9660_BLOCKS(diskStructure->sectorSize,
1898 child->fileDataLength);
1900 inode = child->node->inode;
1901 if ((inode->flags & FI_ALLOCATED) == 0) {
1903 CD9660_BLOCKS(diskStructure->sectorSize,
1904 used_bytes + startOffset);
1905 inode->flags |= FI_ALLOCATED;
1906 used_bytes += child->fileSectorsUsed *
1907 diskStructure->sectorSize;
1909 INODE_WARNX(("%s: already allocated inode %d "
1910 "data sectors at %" PRIu32, __func__,
1911 (int)inode->st.st_ino, inode->ino));
1913 child->fileDataSector = inode->ino;
1914 cd9660_bothendian_dword(child->fileDataSector,
1915 child->isoDirRecord->extent);
1923 /* Might get rid of this func */
1925 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1927 to->node->inode->st.st_dev = 0;
1928 to->node->inode->st.st_ino = 0;
1929 to->node->inode->st.st_size = 0;
1930 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1931 to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1932 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1933 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1934 to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1935 to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1936 to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1937 /* Clear out type */
1938 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1940 to->node->inode->st.st_mode |= S_IFREG;
1942 to->node->inode->st.st_mode |= S_IFDIR;
1948 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1949 cd9660node *parent, int file, int insert)
1954 assert(parent != NULL);
1956 temp = cd9660_allocate_cd9660node();
1960 tfsnode = emalloc(sizeof(*tfsnode));
1961 tfsnode->name = estrdup(name);
1962 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1964 cd9660_convert_filename(diskStructure, tfsnode->name,
1965 temp->isoDirRecord->name, file);
1967 temp->node = tfsnode;
1968 temp->parent = parent;
1971 if (temp->parent != NULL) {
1972 temp->level = temp->parent->level + 1;
1973 if (!TAILQ_EMPTY(&temp->parent->cn_children))
1974 cd9660_sorted_child_insert(temp->parent, temp);
1976 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1977 temp, cn_next_child);
1981 if (parent->node != NULL) {
1982 tfsnode->type = parent->node->type;
1985 /* Clear out file type bits */
1986 tfsnode->type &= ~(S_IFMT);
1988 tfsnode->type |= S_IFREG;
1990 tfsnode->type |= S_IFDIR;
1992 /* Indicate that there is no spec entry (inode) */
1993 tfsnode->flags &= ~(FSNODE_F_HASSPEC);
1995 cd9660_copy_stat_info(parent, temp, file);
2001 cd9660_create_file(iso9660_disk *diskStructure, const char *name,
2002 cd9660node *parent, cd9660node *me)
2006 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
2010 temp->fileDataLength = 0;
2012 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2014 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2015 *temp->node->inode = *me->node->inode;
2017 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2023 * Create a new directory which does not exist on disk
2024 * @param const char * name The name to assign to the directory
2025 * @param const char * parent Pointer to the parent directory
2026 * @returns cd9660node * Pointer to the new directory
2029 cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
2030 cd9660node *parent, cd9660node *me)
2034 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2037 temp->node->type |= S_IFDIR;
2039 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2041 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2042 *temp->node->inode = *me->node->inode;
2044 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2050 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2053 cd9660node *temp, *first;
2056 assert(parent != NULL);
2058 if (type == CD9660_TYPE_DOT)
2060 else if (type == CD9660_TYPE_DOTDOT)
2066 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2070 temp->parent = parent;
2072 temp->isoDirRecord->length[0] = 34;
2073 /* Dot record is always first */
2074 if (type == CD9660_TYPE_DOT) {
2075 parent->dot_record = temp;
2076 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2077 /* DotDot should be second */
2078 } else if (type == CD9660_TYPE_DOTDOT) {
2079 parent->dot_dot_record = temp;
2081 * If the first child is the dot record, insert
2082 * this second. Otherwise, insert it at the head.
2084 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2085 (first->type & CD9660_TYPE_DOT) == 0) {
2086 TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2089 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2098 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2102 assert(bootimage != NULL);
2104 if (*bootimage == '\0') {
2105 warnx("Error: Boot image must be a filename");
2109 diskStructure->generic_bootimage = estrdup(bootimage);
2111 /* Get information about the file */
2112 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2113 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2114 diskStructure->generic_bootimage);
2116 if (stbuf.st_size > 32768) {
2117 warnx("Error: Boot image must be no greater than 32768 bytes");
2121 if (diskStructure->verbose_level > 0) {
2122 printf("Generic boot image image has size %lld\n",
2123 (long long)stbuf.st_size);
2126 diskStructure->has_generic_bootimage = 1;