1/* $NetBSD: cd9660.c,v 1.61 2026/01/07 16:04:51 nia Exp $ */
2
3/*
4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
5 * Perez-Rathke and Ram Vedam. All rights reserved.
6 *
7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
8 * Alan Perez-Rathke and Ram Vedam.
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials provided
18 * with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
32 * OF SUCH DAMAGE.
33 */
34/*
35 * Copyright (c) 2001 Wasabi Systems, Inc.
36 * All rights reserved.
37 *
38 * Written by Luke Mewburn for Wasabi Systems, Inc.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. All advertising materials mentioning features or use of this software
49 * must display the following acknowledgement:
50 * This product includes software developed for the NetBSD Project by
51 * Wasabi Systems, Inc.
52 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
53 * or promote products derived from this software without specific prior
54 * written permission.
55 *
56 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
58 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
59 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
66 * POSSIBILITY OF SUCH DAMAGE.
67 */
68/*
69 * Copyright (c) 1982, 1986, 1989, 1993
70 * The Regents of the University of California. All rights reserved.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
74 * are met:
75 * 1. Redistributions of source code must retain the above copyright
76 * notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 * notice, this list of conditions and the following disclaimer in the
79 * documentation and/or other materials provided with the distribution.
80 * 3. Neither the name of the University nor the names of its contributors
81 * may be used to endorse or promote products derived from this software
82 * without specific prior written permission.
83 *
84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
94 * SUCH DAMAGE.
95 *
96 */
97
98#if HAVE_NBTOOL_CONFIG_H
99#include "nbtool_config.h"
100#else
101#include <sys/mount.h>
102#endif
103
104#include <sys/cdefs.h>
105#if defined(__RCSID) && !defined(__lint)
106__RCSID("$NetBSD: cd9660.c,v 1.61 2026/01/07 16:04:51 nia Exp $");
107#endif /* !__lint */
108
109#include <string.h>
110#include <ctype.h>
111#include <sys/param.h>
112#include <sys/queue.h>
113#include <util.h>
114
115#include "makefs.h"
116#include "cd9660.h"
117#include "cd9660/iso9660_rrip.h"
118#include "cd9660/cd9660_archimedes.h"
119
120/*
121 * Global variables
122 */
123
124static void cd9660_finalize_PVD(iso9660_disk *);
125static cd9660node *cd9660_allocate_cd9660node(void);
126static void cd9660_set_defaults(iso9660_disk *);
127static int cd9660_arguments_set_string(const char *, const char *, size_t,
128 char, char *);
129static void cd9660_populate_iso_dir_record(
130 struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
131 const char *);
132static void cd9660_setup_root_node(iso9660_disk *);
133static int cd9660_setup_volume_descriptors(iso9660_disk *);
134#if 0
135static int cd9660_fill_extended_attribute_record(cd9660node *);
136#endif
137static void cd9660_sort_nodes(cd9660node *);
138static int cd9660_translate_node_common(iso9660_disk *, cd9660node *);
139static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *);
140static int cd9660_compare_filename(const char *, const char *);
141static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
142static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int);
143static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int,
144 int);
145static void cd9660_copy_filenames(iso9660_disk *, cd9660node *);
146static void cd9660_sorting_nodes(cd9660node *);
147static int cd9660_count_collisions(cd9660node *);
148static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *);
149static int cd9660_add_dot_records(iso9660_disk *, cd9660node *);
150
151static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int,
152 int *, int *);
153static void cd9660_free_structure(cd9660node *);
154static int cd9660_generate_path_table(iso9660_disk *);
155static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *,
156 int);
157static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *,
158 int);
159#if 0
160static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *,
161 int);
162#endif
163static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
164static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
165static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
166#if 0
167static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
168#endif
169static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
170 cd9660node *, int, int);
171static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
172 cd9660node *, cd9660node *);
173static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
174 cd9660node *, cd9660node *);
175static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
176 cd9660node *);
177static int cd9660_add_generic_bootimage(iso9660_disk *, const char *);
178
179
180/*
181 * Allocate and initialize a cd9660node
182 * @returns struct cd9660node * Pointer to new node, or NULL on error
183 */
184static cd9660node *
185cd9660_allocate_cd9660node(void)
186{
187 cd9660node *temp = ecalloc(1, sizeof(*temp));
188 TAILQ_INIT(&temp->cn_children);
189 temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
190 temp->ptnext = temp->ptprev = temp->ptlast = NULL;
191 temp->node = NULL;
192 temp->isoDirRecord = NULL;
193 temp->isoExtAttributes = NULL;
194 temp->rr_real_parent = temp->rr_relocated = NULL;
195 temp->su_tail_data = NULL;
196 return temp;
197}
198
199int cd9660_defaults_set = 0;
200
201/**
202* Set default values for cd9660 extension to makefs
203*/
204static void
205cd9660_set_defaults(iso9660_disk *diskStructure)
206{
207 /*Fix the sector size for now, though the spec allows for other sizes*/
208 diskStructure->sectorSize = 2048;
209
210 /* Set up defaults in our own structure */
211 diskStructure->verbose_level = 0;
212 diskStructure->keep_bad_images = 0;
213 diskStructure->follow_sym_links = 0;
214 diskStructure->isoLevel = 2;
215
216 diskStructure->rock_ridge_enabled = 0;
217 diskStructure->rock_ridge_renamed_dir_name = 0;
218 diskStructure->rock_ridge_move_count = 0;
219 diskStructure->rr_moved_dir = 0;
220
221 diskStructure->archimedes_enabled = 0;
222 diskStructure->chrp_boot = 0;
223
224 diskStructure->include_padding_areas = 1;
225
226 /* Spec breaking functionality */
227 diskStructure->allow_deep_trees =
228 diskStructure->allow_start_dot =
229 diskStructure->allow_max_name =
230 diskStructure->allow_illegal_chars =
231 diskStructure->allow_lowercase =
232 diskStructure->allow_multidot =
233 diskStructure->omit_trailing_period = 0;
234
235 /* Make sure the PVD is clear */
236 memset(&diskStructure->primaryDescriptor, 0, 2048);
237
238 memset(diskStructure->primaryDescriptor.publisher_id, 0x20,128);
239 memset(diskStructure->primaryDescriptor.preparer_id, 0x20,128);
240 memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
241 memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
242 memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
243 memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
244
245 strcpy(diskStructure->primaryDescriptor.system_id,"NetBSD");
246
247 cd9660_defaults_set = 1;
248
249 /* Boot support: Initially disabled */
250 diskStructure->has_generic_bootimage = 0;
251 diskStructure->generic_bootimage = NULL;
252
253 diskStructure->boot_image_directory = 0;
254 /*memset(diskStructure->boot_descriptor, 0, 2048);*/
255
256 diskStructure->is_bootable = 0;
257 TAILQ_INIT(&diskStructure->boot_images);
258 LIST_INIT(&diskStructure->boot_entries);
259}
260
261void
262cd9660_prep_opts(fsinfo_t *fsopts)
263{
264 iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
265
266#define OPT_STR(letter, name, desc) \
267 { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
268
269#define OPT_NUM(letter, name, field, min, max, desc) \
270 { letter, name, &diskStructure->field, \
271 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
272 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
273 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
274 min, max, desc }
275
276#define OPT_BOOL(letter, name, field, desc) \
277 OPT_NUM(letter, name, field, 0, 1, desc)
278
279 const option_t cd9660_options[] = {
280 OPT_NUM('l', "isolevel", isoLevel,
281 1, 3, "ISO Level"),
282 OPT_NUM('v', "verbose", verbose_level,
283 0, 2, "Turns on verbose output"),
284
285 OPT_BOOL('h', "help", displayHelp,
286 "Show help message"),
287 OPT_BOOL('S', "follow-symlinks", follow_sym_links,
288 "Resolve symlinks in pathnames"),
289 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
290 "Enable Rock-Ridge extensions"),
291 OPT_BOOL('C', "chrp-boot", chrp_boot,
292 "Enable CHRP boot"),
293 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
294 "Keep bad images"),
295 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
296 "Allow trees more than 8 levels"),
297 OPT_BOOL('a', "allow-max-name", allow_max_name,
298 "Allow 37 char filenames (unimplemented)"),
299 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
300 "Allow illegal characters in filenames"),
301 OPT_BOOL('m', "allow-multidot", allow_multidot,
302 "Allow multiple periods in filenames"),
303 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
304 "Omit trailing periods in filenames"),
305 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
306 "Allow lowercase characters in filenames"),
307 OPT_BOOL('\0', "archimedes", archimedes_enabled,
308 "Enable Archimedes structure"),
309 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
310 "Include padding areas"),
311
312 OPT_STR('A', "applicationid", "Application Identifier"),
313 OPT_STR('P', "publisher", "Publisher Identifier"),
314 OPT_STR('p', "preparer", "Preparer Identifier"),
315 OPT_STR('L', "label", "Disk Label"),
316 OPT_STR('V', "volumeid", "Volume Set Identifier"),
317 OPT_STR('B', "bootimage", "Boot image parameter"),
318 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
319 OPT_STR('\0', "bootimagedir", "Boot image directory"),
320 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
321 OPT_STR('\0', "no-boot", "No boot support"),
322 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
323 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
324 OPT_STR('\0', "platformid", "Section Header Platform ID"),
325
326 { .name = NULL }
327 };
328
329 fsopts->fs_specific = diskStructure;
330 fsopts->fs_options = copy_opts(cd9660_options);
331
332 cd9660_set_defaults(diskStructure);
333}
334
335void
336cd9660_cleanup_opts(fsinfo_t *fsopts)
337{
338 free(fsopts->fs_specific);
339 free(fsopts->fs_options);
340}
341
342static int
343cd9660_arguments_set_string(const char *val, const char *fieldtitle,
344 size_t length, char testmode, char * dest)
345{
346 size_t len;
347 int test;
348
349 if (val == NULL)
350 warnx("error: The %s requires a string argument", fieldtitle);
351 else if ((len = strlen(val)) <= length) {
352 if (testmode == 'd')
353 test = cd9660_valid_d_chars(val);
354 else
355 test = cd9660_valid_a_chars(val);
356 if (test) {
357 memcpy(dest, val, len);
358 if (test == 2)
359 cd9660_uppercase_characters(dest, len);
360 return 1;
361 } else
362 warnx("error: The %s must be composed of "
363 "%c-characters", fieldtitle, testmode);
364 } else
365 warnx("error: The %s must be at most 32 characters long",
366 fieldtitle);
367 return 0;
368}
369
370/*
371 * Command-line parsing function
372 */
373
374int
375cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
376{
377 int rv, i;
378 iso9660_disk *diskStructure = fsopts->fs_specific;
379 option_t *cd9660_options = fsopts->fs_options;
380 char buf[1024];
381 const char *name, *desc;
382
383 assert(option != NULL);
384
385 if (debug & DEBUG_FS_PARSE_OPTS)
386 printf("%s: got `%s'\n", __func__, option);
387
388 i = set_option(cd9660_options, option, buf, sizeof(buf));
389 if (i == -1)
390 return 0;
391
392 if (cd9660_options[i].name == NULL)
393 abort();
394
395
396 name = cd9660_options[i].name;
397 desc = cd9660_options[i].desc;
398 switch (cd9660_options[i].letter) {
399 case 'h':
400 case 'S':
401 rv = 0; /* this is not handled yet */
402 break;
403 case 'L':
404 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
405 diskStructure->primaryDescriptor.volume_id);
406 break;
407 case 'A':
408 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
409 diskStructure->primaryDescriptor.application_id);
410 break;
411 case 'P':
412 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
413 diskStructure->primaryDescriptor.publisher_id);
414 break;
415 case 'p':
416 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
417 diskStructure->primaryDescriptor.preparer_id);
418 break;
419 case 'V':
420 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
421 diskStructure->primaryDescriptor.volume_set_id);
422 break;
423 /* Boot options */
424 case 'B':
425 if (buf[0] == '\0') {
426 warnx("The Boot Image parameter requires a valid boot"
427 " information string");
428 rv = 0;
429 } else
430 rv = cd9660_add_boot_disk(diskStructure, buf);
431 break;
432 case 'G':
433 if (buf[0] == '\0') {
434 warnx("The Generic Boot Image parameter requires a"
435 " valid boot information string");
436 rv = 0;
437 } else
438 rv = cd9660_add_generic_bootimage(diskStructure, buf);
439 break;
440 default:
441 if (strcmp(name, "bootimagedir") == 0) {
442 /*
443 * XXXfvdl this is unused.
444 */
445 if (buf[0] == '\0') {
446 warnx("The Boot Image Directory parameter"
447 " requires a directory name");
448 rv = 0;
449 } else {
450 diskStructure->boot_image_directory =
451 emalloc(strlen(buf) + 1);
452 /* BIG TODO: Add the max length function here */
453 rv = cd9660_arguments_set_string(buf, desc, 12,
454 'd', diskStructure->boot_image_directory);
455 }
456 } else if (strcmp(name, "no-emul-boot") == 0 ||
457 strcmp(name, "no-boot") == 0 ||
458 strcmp(name, "hard-disk-boot") == 0) {
459 /* RRIP */
460 cd9660_eltorito_add_boot_option(diskStructure, name, 0);
461 rv = 1;
462 } else if (strcmp(name, "boot-load-segment") == 0 ||
463 strcmp(name, "platformid") == 0) {
464 if (buf[0] == '\0') {
465 warnx("Option `%s' doesn't contain a value",
466 name);
467 rv = 0;
468 } else {
469 cd9660_eltorito_add_boot_option(diskStructure,
470 name, buf);
471 rv = 1;
472 }
473 } else
474 rv = 1;
475 }
476 return rv;
477}
478
479/*
480 * Main function for cd9660_makefs
481 * Builds the ISO image file
482 * @param const char *image The image filename to create
483 * @param const char *dir The directory that is being read
484 * @param struct fsnode *root The root node of the filesystem tree
485 * @param struct fsinfo_t *fsopts Any options
486 */
487void
488cd9660_makefs(const char *image, const char *dir, fsnode *root,
489 fsinfo_t *fsopts)
490{
491 int64_t startoffset;
492 int numDirectories;
493 uint64_t pathTableSectors;
494 int64_t firstAvailableSector;
495 int64_t totalSpace;
496 int error;
497 cd9660node *real_root;
498 iso9660_disk *diskStructure = fsopts->fs_specific;
499
500 if (diskStructure->verbose_level > 0)
501 printf("%s: ISO level is %i\n", __func__,
502 diskStructure->isoLevel);
503 if (diskStructure->isoLevel < 2 &&
504 diskStructure->allow_multidot)
505 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
506
507 assert(image != NULL);
508 assert(dir != NULL);
509 assert(root != NULL);
510
511 if (diskStructure->displayHelp) {
512 /*
513 * Display help here - probably want to put it in
514 * a separate function
515 */
516 return;
517 }
518
519 if (diskStructure->verbose_level > 0)
520 printf("%s: image %s directory %s root %p\n", __func__,
521 image, dir, root);
522
523 /* Set up some constants. Later, these will be defined with options */
524
525 /* Counter needed for path tables */
526 numDirectories = 0;
527
528 /* Convert tree to our own format */
529 /* Actually, we now need to add the REAL root node, at level 0 */
530
531 real_root = cd9660_allocate_cd9660node();
532 real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
533 /* Leave filename blank for root */
534 memset(real_root->isoDirRecord->name, 0,
535 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
536
537 real_root->level = 0;
538 diskStructure->rootNode = real_root;
539 real_root->type = CD9660_TYPE_DIR;
540 error = 0;
541 real_root->node = root;
542 cd9660_convert_structure(diskStructure, root, real_root, 1,
543 &numDirectories, &error);
544
545 if (TAILQ_EMPTY(&real_root->cn_children)) {
546 errx(EXIT_FAILURE, "%s: converted directory is empty. "
547 "Tree conversion failed", __func__);
548 } else if (error != 0) {
549 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
550 } else {
551 if (diskStructure->verbose_level > 0)
552 printf("%s: tree converted\n", __func__);
553 }
554
555 /* Add the dot and dot dot records */
556 cd9660_add_dot_records(diskStructure, real_root);
557
558 cd9660_setup_root_node(diskStructure);
559
560 if (diskStructure->verbose_level > 0)
561 printf("%s: done converting tree\n", __func__);
562
563 /* non-SUSP extensions */
564 if (diskStructure->archimedes_enabled)
565 archimedes_convert_tree(diskStructure->rootNode);
566
567 /* Rock ridge / SUSP init pass */
568 if (diskStructure->rock_ridge_enabled) {
569 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
570 diskStructure->rootNode, NULL);
571 }
572
573 /* Build path table structure */
574 diskStructure->pathTableLength = cd9660_generate_path_table(
575 diskStructure);
576
577 pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
578 diskStructure->pathTableLength);
579
580 firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
581 if (diskStructure->is_bootable) {
582 firstAvailableSector = cd9660_setup_boot(diskStructure,
583 firstAvailableSector);
584 if (firstAvailableSector < 0)
585 errx(EXIT_FAILURE, "setup_boot failed");
586 }
587 /* LE first, then BE */
588 diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
589 diskStructure->primaryBigEndianTableSector =
590 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
591
592 /* Set the secondary ones to -1, not going to use them for now */
593 diskStructure->secondaryBigEndianTableSector = -1;
594 diskStructure->secondaryLittleEndianTableSector = -1;
595
596 diskStructure->dataFirstSector =
597 diskStructure->primaryBigEndianTableSector + pathTableSectors;
598 if (diskStructure->verbose_level > 0)
599 printf("%s: Path table conversion complete. "
600 "Each table is %i bytes, or %" PRIu64 " sectors.\n",
601 __func__,
602 diskStructure->pathTableLength, pathTableSectors);
603
604 startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
605
606 totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
607
608 if ((fsopts->maxsize > 0) && (totalSpace > fsopts->maxsize))
609 errx(EXIT_FAILURE, "won't fit due to set maximum disk size");
610
611 diskStructure->totalSectors = diskStructure->dataFirstSector +
612 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
613
614 /* Disabled until pass 1 is done */
615 if (diskStructure->rock_ridge_enabled) {
616 diskStructure->susp_continuation_area_start_sector =
617 diskStructure->totalSectors;
618 diskStructure->totalSectors +=
619 CD9660_BLOCKS(diskStructure->sectorSize,
620 diskStructure->susp_continuation_area_size);
621 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
622 }
623
624
625 cd9660_finalize_PVD(diskStructure);
626
627 /* Add padding sectors, just for testing purposes right now */
628 /* diskStructure->totalSectors+=150; */
629
630 /* Debugging output */
631 if (diskStructure->verbose_level > 0) {
632 printf("%s: Sectors 0-15 reserved\n", __func__);
633 printf("%s: Primary path tables starts in sector %"
634 PRId64 "\n", __func__,
635 diskStructure->primaryLittleEndianTableSector);
636 printf("%s: File data starts in sector %"
637 PRId64 "\n", __func__, diskStructure->dataFirstSector);
638 printf("%s: Total sectors: %"
639 PRId64 "\n", __func__, diskStructure->totalSectors);
640 }
641
642 /*
643 * Add padding sectors at the end
644 * TODO: Clean this up and separate padding
645 */
646 if (diskStructure->include_padding_areas)
647 diskStructure->totalSectors += 150;
648
649 cd9660_write_image(diskStructure, image);
650
651 if (diskStructure->verbose_level > 1) {
652 debug_print_volume_descriptor_information(diskStructure);
653 debug_print_tree(diskStructure, real_root, 0);
654 debug_print_path_tree(real_root);
655 }
656
657 /* Clean up data structures */
658 cd9660_free_structure(real_root);
659
660 if (diskStructure->verbose_level > 0)
661 printf("%s: done\n", __func__);
662}
663
664/* Generic function pointer - implement later */
665typedef int (*cd9660node_func)(cd9660node *);
666
667static void
668cd9660_finalize_PVD(iso9660_disk *diskStructure)
669{
670 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
671
672 /* root should be a fixed size of 34 bytes since it has no name */
673 memcpy(diskStructure->primaryDescriptor.root_directory_record,
674 diskStructure->rootNode->dot_record->isoDirRecord, 34);
675
676 /* In RRIP, this might be longer than 34 */
677 diskStructure->primaryDescriptor.root_directory_record[0] = 34;
678
679 /* Set up all the important numbers in the PVD */
680 cd9660_bothendian_dword(diskStructure->totalSectors,
681 (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
682 cd9660_bothendian_word(1,
683 (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
684 cd9660_bothendian_word(1,
685 (unsigned char *)
686 diskStructure->primaryDescriptor.volume_sequence_number);
687 cd9660_bothendian_word(diskStructure->sectorSize,
688 (unsigned char *)
689 diskStructure->primaryDescriptor.logical_block_size);
690 cd9660_bothendian_dword(diskStructure->pathTableLength,
691 (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
692
693 cd9660_731(diskStructure->primaryLittleEndianTableSector,
694 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
695 cd9660_732(diskStructure->primaryBigEndianTableSector,
696 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
697
698 diskStructure->primaryDescriptor.file_structure_version[0] = 1;
699
700 /* Pad all strings with spaces instead of nulls */
701 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
702 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
703 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
704 128);
705 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
706 128);
707 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
708 128);
709 cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
710 128);
711 cd9660_pad_string_spaces(
712 diskStructure->primaryDescriptor.copyright_file_id, 37);
713 cd9660_pad_string_spaces(
714 diskStructure->primaryDescriptor.abstract_file_id, 37);
715 cd9660_pad_string_spaces(
716 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
717
718 /* Setup dates */
719 cd9660_time_8426(
720 (unsigned char *)diskStructure->primaryDescriptor.creation_date,
721 tstamp);
722 cd9660_time_8426(
723 (unsigned char *)diskStructure->primaryDescriptor.modification_date,
724 tstamp);
725
726#if 0
727 cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
728 tstamp);
729#endif
730 memset(diskStructure->primaryDescriptor.expiration_date, '0' ,16);
731 diskStructure->primaryDescriptor.expiration_date[16] = 0;
732
733 cd9660_time_8426(
734 (unsigned char *)diskStructure->primaryDescriptor.effective_date,
735 tstamp);
736}
737
738static void
739cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
740 u_char ext_attr_length, u_char flags,
741 u_char name_len, const char * name)
742{
743 time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
744
745 record->ext_attr_length[0] = ext_attr_length;
746 cd9660_time_915(record->date, tstamp);
747 record->flags[0] = ISO_FLAG_CLEAR | flags;
748 record->file_unit_size[0] = 0;
749 record->interleave[0] = 0;
750 cd9660_bothendian_word(1, record->volume_sequence_number);
751 record->name_len[0] = name_len;
752 memset(record->name, '\0', sizeof (record->name));
753 memcpy(record->name, name, name_len);
754 record->length[0] = 33 + name_len;
755
756 /* Todo : better rounding */
757 record->length[0] += (record->length[0] & 1) ? 1 : 0;
758}
759
760static void
761cd9660_setup_root_node(iso9660_disk *diskStructure)
762{
763 cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
764 0, ISO_FLAG_DIRECTORY, 1, "\0");
765
766}
767
768/*********** SUPPORT FUNCTIONS ***********/
769static int
770cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
771{
772 /* Boot volume descriptor should come second */
773 int sector = 16;
774 /* For now, a fixed 2 : PVD and terminator */
775 volume_descriptor *temp, *t;
776
777 /* Set up the PVD */
778 temp = emalloc(sizeof(*temp));
779 temp->volumeDescriptorData =
780 (unsigned char *)&diskStructure->primaryDescriptor;
781 temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
782 temp->volumeDescriptorData[6] = 1;
783 temp->sector = sector;
784 memcpy(temp->volumeDescriptorData + 1,
785 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
786 diskStructure->firstVolumeDescriptor = temp;
787
788 sector++;
789 /* Set up boot support if enabled. BVD must reside in sector 17 */
790 if (diskStructure->is_bootable) {
791 t = emalloc(sizeof(*t));
792 t->volumeDescriptorData = ecalloc(1, 2048);
793 temp->next = t;
794 temp = t;
795 t->sector = 17;
796 if (diskStructure->verbose_level > 0)
797 printf("Setting up boot volume descriptor\n");
798 cd9660_setup_boot_volume_descriptor(diskStructure, t);
799 sector++;
800 }
801
802 /* Set up the terminator */
803 t = emalloc(sizeof(*t));
804 t->volumeDescriptorData = ecalloc(1, 2048);
805 temp->next = t;
806 t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
807 t->next = 0;
808 t->volumeDescriptorData[6] = 1;
809 t->sector = sector;
810 memcpy(t->volumeDescriptorData + 1,
811 ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
812
813 sector++;
814 return sector;
815}
816
817#if 0
818/*
819 * Populate EAR at some point. Not required, but is used by NetBSD's
820 * cd9660 support
821 */
822static int
823cd9660_fill_extended_attribute_record(cd9660node *node)
824{
825 node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
826 return 1;
827}
828#endif
829
830static int
831cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
832{
833 u_char flag;
834 char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
835
836 /* Now populate the isoDirRecord structure */
837 memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
838
839 (void)cd9660_convert_filename(diskStructure, newnode->node->name,
840 temp, !(S_ISDIR(newnode->node->type)));
841
842 flag = ISO_FLAG_CLEAR;
843 if (S_ISDIR(newnode->node->type))
844 flag |= ISO_FLAG_DIRECTORY;
845
846 cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
847 flag, strlen(temp), temp);
848
849 cd9660_bothendian_dword(newnode->fileDataLength,
850 newnode->isoDirRecord->size);
851 /* If the file is a link, we want to set the size to 0 */
852 if (S_ISLNK(newnode->node->type))
853 newnode->fileDataLength = 0;
854
855 return 1;
856}
857
858/*
859 * Translate fsnode to cd9660node
860 * Translate filenames and other metadata, including dates, sizes,
861 * permissions, etc
862 * @param struct fsnode * The node generated by makefs
863 * @param struct cd9660node * The intermediate node to be written to
864 * @returns int 0 on failure, 1 on success
865 */
866static int
867cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
868 cd9660node *newnode)
869{
870 if (node == NULL) {
871 if (diskStructure->verbose_level > 0)
872 printf("%s: NULL node passed, returning\n", __func__);
873 return 0;
874 }
875 newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
876 /* Set the node pointer */
877 newnode->node = node;
878
879 /* Set the size */
880 if (!(S_ISDIR(node->type)))
881 newnode->fileDataLength = node->inode->st.st_size;
882
883 if (cd9660_translate_node_common(diskStructure, newnode) == 0)
884 return 0;
885
886 /* Finally, overwrite some of the values that are set by default */
887 cd9660_time_915(newnode->isoDirRecord->date,
888 stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
889
890 return 1;
891}
892
893/*
894 * Compares two ISO filenames
895 * @param const char * The first file name
896 * @param const char * The second file name
897 * @returns : -1 if first is less than second, 0 if they are the same, 1 if
898 * the second is greater than the first
899 */
900static int
901cd9660_compare_filename(const char *first, const char *second)
902{
903 /*
904 * This can be made more optimal once it has been tested
905 * (the extra character, for example, is for testing)
906 */
907
908 int p1 = 0;
909 int p2 = 0;
910 char c1, c2;
911 /* First, on the filename */
912
913 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
914 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
915 c1 = first[p1];
916 c2 = second[p2];
917 if (c1 == '.' && c2 =='.')
918 break;
919 else if (c1 == '.') {
920 p2++;
921 c1 = ' ';
922 } else if (c2 == '.') {
923 p1++;
924 c2 = ' ';
925 } else {
926 p1++;
927 p2++;
928 }
929
930 if (c1 < c2)
931 return -1;
932 else if (c1 > c2) {
933 return 1;
934 }
935 }
936
937 if (first[p1] == '.' && second[p2] == '.') {
938 p1++;
939 p2++;
940 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
941 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
942 c1 = first[p1];
943 c2 = second[p2];
944 if (c1 == ';' && c2 == ';')
945 break;
946 else if (c1 == ';') {
947 p2++;
948 c1 = ' ';
949 } else if (c2 == ';') {
950 p1++;
951 c2 = ' ';
952 } else {
953 p1++;
954 p2++;
955 }
956
957 if (c1 < c2)
958 return -1;
959 else if (c1 > c2)
960 return 1;
961 }
962 }
963 return 0;
964}
965
966/*
967 * Insert a node into list with ISO sorting rules
968 * @param cd9660node * The head node of the list
969 * @param cd9660node * The node to be inserted
970 */
971static void
972cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
973{
974 int compare;
975 cd9660node *cn;
976 struct cd9660_children_head *head = &parent->cn_children;
977
978 /* TODO: Optimize? */
979 cn_new->parent = parent;
980
981 /*
982 * first will either be 0, the . or the ..
983 * if . or .., this means no other entry may be written before first
984 * if 0, the new node may be inserted at the head
985 */
986
987 TAILQ_FOREACH(cn, head, cn_next_child) {
988 /*
989 * Dont insert a node twice -
990 * that would cause an infinite loop
991 */
992 if (cn_new == cn)
993 return;
994
995 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
996 cn->isoDirRecord->name);
997
998 if (compare == 0)
999 compare = cd9660_compare_filename(cn_new->node->name,
1000 cn->node->name);
1001
1002 if (compare < 0)
1003 break;
1004 }
1005 if (cn == NULL)
1006 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
1007 else
1008 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1009}
1010
1011/*
1012 * Called After cd9660_sorted_child_insert
1013 * handles file collisions by suffixing each filename with ~n
1014 * where n represents the files respective place in the ordering
1015 */
1016static int
1017cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
1018 int past)
1019{
1020 cd9660node *iter, *next, *prev;
1021 int skip;
1022 int delete_chars = 0;
1023 int temp_past = past;
1024 int temp_skip;
1025 int flag = 0;
1026 cd9660node *end_of_range;
1027
1028 for (iter = TAILQ_FIRST(&colliding->cn_children);
1029 iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1030 if (strcmp(iter->isoDirRecord->name,
1031 next->isoDirRecord->name) != 0) {
1032 iter = TAILQ_NEXT(iter, cn_next_child);
1033 continue;
1034 }
1035 flag = 1;
1036 temp_skip = skip = cd9660_count_collisions(iter);
1037 end_of_range = iter;
1038 while (temp_skip > 0) {
1039 temp_skip--;
1040 end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1041 }
1042 temp_past = past;
1043 while (temp_past > 0) {
1044 if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1045 end_of_range = next;
1046 else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1047 iter = prev;
1048 else
1049 delete_chars++;
1050 temp_past--;
1051 }
1052 skip += past;
1053 iter = cd9660_rename_filename(diskStructure, iter, skip,
1054 delete_chars);
1055 }
1056 return flag;
1057}
1058
1059
1060static cd9660node *
1061cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1062 int delete_chars)
1063{
1064 int i = 0;
1065 int numbts, dot, semi, digit, digits, temp, powers, multiplier, count;
1066 char *naming;
1067 int maxlength;
1068 char *tmp;
1069
1070 if (diskStructure->verbose_level > 0)
1071 printf("Rename_filename called\n");
1072
1073 /* TODO : A LOT of chanes regarding 8.3 filenames */
1074 if (diskStructure->isoLevel == 1)
1075 maxlength = 8;
1076 else if (diskStructure->isoLevel == 2)
1077 maxlength = 31;
1078 else
1079 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1080
1081 tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1082
1083 while (i < num && iter) {
1084 powers = 1;
1085 count = 0;
1086 digits = 1;
1087 multiplier = 1;
1088 while (((int)(i / powers) ) >= 10) {
1089 digits++;
1090 powers = powers * 10;
1091 }
1092
1093 naming = iter->o_name;
1094
1095 /*
1096 while ((*naming != '.') && (*naming != ';')) {
1097 naming++;
1098 count++;
1099 }
1100 */
1101
1102 dot = -1;
1103 semi = -1;
1104 while (count < maxlength) {
1105 if (*naming == '.')
1106 dot = count;
1107 else if (*naming == ';') {
1108 semi = count;
1109 break;
1110 }
1111 naming++;
1112 count++;
1113 }
1114
1115 if ((count + digits) < maxlength)
1116 numbts = count;
1117 else
1118 numbts = maxlength - (digits);
1119 numbts -= delete_chars;
1120
1121 /* 8.3 rules - keep the extension, add before the dot */
1122
1123 /*
1124 * This code makes a bunch of assumptions.
1125 * See if you can spot them all :)
1126 */
1127
1128#if 0
1129 if (diskStructure->isoLevel == 1) {
1130 numbts = 8 - digits - delete_chars;
1131 if (dot < 0) {
1132
1133 } else {
1134 if (dot < 8) {
1135 memmove(&tmp[numbts],&tmp[dot],4);
1136 }
1137 }
1138 }
1139#else
1140 __USE(dot);
1141 __USE(semi);
1142 __USE(multiplier);
1143#endif
1144
1145 /* (copying just the filename before the '.' */
1146 memcpy(tmp, (iter->o_name), numbts);
1147
1148 /* adding the appropriate number following the name */
1149 temp = i;
1150 while (digits > 0) {
1151 digit = (int)(temp / powers);
1152 temp = temp - digit * powers;
1153 sprintf(&tmp[numbts] , "%d", digit);
1154 digits--;
1155 numbts++;
1156 powers = powers / 10;
1157 }
1158
1159 while ((*naming != ';') && (numbts < maxlength)) {
1160 tmp[numbts] = (*naming);
1161 naming++;
1162 numbts++;
1163 }
1164
1165 tmp[numbts] = ';';
1166 tmp[numbts+1] = '1';
1167 tmp[numbts+2] = '\0';
1168
1169 /*
1170 * now tmp has exactly the identifier
1171 * we want so we'll copy it back to record
1172 */
1173 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1174
1175 iter = TAILQ_NEXT(iter, cn_next_child);
1176 i++;
1177 }
1178
1179 free(tmp);
1180 return iter;
1181}
1182
1183/* Todo: Figure out why these functions are nec. */
1184static void
1185cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1186{
1187 cd9660node *cn;
1188
1189 if (TAILQ_EMPTY(&node->cn_children))
1190 return;
1191
1192 if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1193 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1194 exit(EXIT_FAILURE);
1195 }
1196
1197 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1198 cd9660_copy_filenames(diskStructure, cn);
1199 memcpy(cn->o_name, cn->isoDirRecord->name,
1200 ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1201 }
1202}
1203
1204static void
1205cd9660_sorting_nodes(cd9660node *node)
1206{
1207 cd9660node *cn;
1208
1209 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1210 cd9660_sorting_nodes(cn);
1211 cd9660_sort_nodes(node);
1212}
1213
1214/* XXX Bubble sort. */
1215static void
1216cd9660_sort_nodes(cd9660node *node)
1217{
1218 cd9660node *cn, *next;
1219
1220 do {
1221 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1222 if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1223 return;
1224 else if (strcmp(next->isoDirRecord->name,
1225 cn->isoDirRecord->name) >= 0)
1226 continue;
1227 TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1228 TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1229 break;
1230 }
1231 } while (cn != NULL);
1232}
1233
1234static int
1235cd9660_count_collisions(cd9660node *copy)
1236{
1237 int count = 0;
1238 cd9660node *iter, *next;
1239
1240 for (iter = copy;
1241 (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1242 iter = next) {
1243 if (cd9660_compare_filename(iter->isoDirRecord->name,
1244 next->isoDirRecord->name) == 0)
1245 count++;
1246 else
1247 return count;
1248 }
1249#if 0
1250 if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1251 printf("%s: count is %i \n", __func__, count);
1252 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1253 next->isoDirRecord->name);
1254 if (compare == 0) {
1255 count++;
1256 return cd9660_recurse_on_collision(next, count);
1257 } else
1258 return count;
1259 }
1260#endif
1261 return count;
1262}
1263
1264static cd9660node *
1265cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1266{
1267 char newname[9];
1268 cd9660node *tfile;
1269
1270 /*
1271 * This function needs to:
1272 * 1) Create an empty virtual file in place of the old directory
1273 * 2) Point the virtual file to the new directory
1274 * 3) Point the relocated directory to its old parent
1275 * 4) Move the directory specified by dir into rr_moved_dir,
1276 * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1277 */
1278
1279 /* First see if the moved directory even exists */
1280 if (diskStructure->rr_moved_dir == NULL) {
1281 diskStructure->rr_moved_dir = cd9660_create_directory(
1282 diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1283 diskStructure->rootNode, dir);
1284 if (diskStructure->rr_moved_dir == NULL)
1285 return 0;
1286 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1287 stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1288 }
1289
1290 /* Create a file with the same ORIGINAL name */
1291 tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1292 dir);
1293 if (tfile == NULL)
1294 return NULL;
1295
1296 diskStructure->rock_ridge_move_count++;
1297 snprintf(newname, sizeof(newname), "%08u",
1298 diskStructure->rock_ridge_move_count);
1299
1300 /* Point to old parent */
1301 dir->rr_real_parent = dir->parent;
1302
1303 /* Place the placeholder file */
1304 if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1305 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1306 cn_next_child);
1307 } else {
1308 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1309 }
1310
1311 /* Point to new parent */
1312 dir->parent = diskStructure->rr_moved_dir;
1313
1314 /* Point the file to the moved directory */
1315 tfile->rr_relocated = dir;
1316
1317 /* Actually move the directory */
1318 cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1319
1320 /* TODO: Inherit permissions / ownership (basically the entire inode) */
1321
1322 /* Set the new name */
1323 memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1324 strncpy(dir->isoDirRecord->name, newname, 8);
1325 dir->isoDirRecord->length[0] = 34 + 8;
1326 dir->isoDirRecord->name_len[0] = 8;
1327
1328 return dir;
1329}
1330
1331static int
1332cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1333{
1334 struct cd9660_children_head *head = &root->cn_children;
1335 cd9660node *cn;
1336
1337 TAILQ_FOREACH(cn, head, cn_next_child) {
1338 if ((cn->type & CD9660_TYPE_DIR) == 0)
1339 continue;
1340 /* Recursion first */
1341 cd9660_add_dot_records(diskStructure, cn);
1342 }
1343 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1344 cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1345 root);
1346 return 1;
1347}
1348
1349/*
1350 * Convert node to cd9660 structure
1351 * This function is designed to be called recursively on the root node of
1352 * the filesystem
1353 * Lots of recursion going on here, want to make sure it is efficient
1354 * @param struct fsnode * The root node to be converted
1355 * @param struct cd9660* The parent node (should not be NULL)
1356 * @param int Current directory depth
1357 * @param int* Running count of the number of directories that are being created
1358 */
1359static void
1360cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1361 cd9660node *parent_node, int level, int *numDirectories, int *error)
1362{
1363 fsnode *iterator = root;
1364 cd9660node *this_node;
1365 int working_level;
1366 int add;
1367 int flag = 0;
1368 int counter = 0;
1369
1370 /*
1371 * Newer, more efficient method, reduces recursion depth
1372 */
1373 if (root == NULL) {
1374 warnx("%s: root is null", __func__);
1375 return;
1376 }
1377
1378 /* Test for an empty directory - makefs still gives us the . record */
1379 if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1380 && (root->name[1] == '\0')) {
1381 root = root->next;
1382 if (root == NULL)
1383 return;
1384 }
1385 if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1386 CD9660_MEM_ALLOC_ERROR(__func__);
1387 }
1388
1389 /*
1390 * To reduce the number of recursive calls, we will iterate over
1391 * the next pointers to the right.
1392 */
1393 while (iterator != NULL) {
1394 add = 1;
1395 /*
1396 * Increment the directory count if this is a directory
1397 * Ignore "." entries. We will generate them later
1398 */
1399 if (!S_ISDIR(iterator->type) ||
1400 strcmp(iterator->name, ".") != 0) {
1401
1402 /* Translate the node, including its filename */
1403 this_node->parent = parent_node;
1404 cd9660_translate_node(diskStructure, iterator,
1405 this_node);
1406 this_node->level = level;
1407
1408 if (S_ISDIR(iterator->type)) {
1409 (*numDirectories)++;
1410 this_node->type = CD9660_TYPE_DIR;
1411 working_level = level + 1;
1412
1413 /*
1414 * If at level 8, directory would be at 8
1415 * and have children at 9 which is not
1416 * allowed as per ISO spec
1417 */
1418 if (level == 8) {
1419 if ((!diskStructure->allow_deep_trees) &&
1420 (!diskStructure->rock_ridge_enabled)) {
1421 warnx("error: found entry "
1422 "with depth greater "
1423 "than 8.");
1424 (*error) = 1;
1425 return;
1426 } else if (diskStructure->
1427 rock_ridge_enabled) {
1428 working_level = 3;
1429 /*
1430 * Moved directory is actually
1431 * at level 2.
1432 */
1433 this_node->level =
1434 working_level - 1;
1435 if (cd9660_rrip_move_directory(
1436 diskStructure,
1437 this_node) == 0) {
1438 warnx("Failure in "
1439 "cd9660_rrip_"
1440 "move_directory"
1441 );
1442 (*error) = 1;
1443 return;
1444 }
1445 add = 0;
1446 }
1447 }
1448
1449 /* Do the recursive call on the children */
1450 if (iterator->child != 0) {
1451 cd9660_convert_structure(diskStructure,
1452 iterator->child, this_node,
1453 working_level,
1454 numDirectories, error);
1455
1456 if ((*error) == 1) {
1457 warnx("%s: Error on recursive "
1458 "call", __func__);
1459 return;
1460 }
1461 }
1462
1463 } else {
1464 /* Only directories should have children */
1465 assert(iterator->child == NULL);
1466
1467 this_node->type = CD9660_TYPE_FILE;
1468 }
1469
1470 /*
1471 * Finally, do a sorted insert
1472 */
1473 if (add) {
1474 cd9660_sorted_child_insert(
1475 parent_node, this_node);
1476 }
1477
1478 /*Allocate new temp_node */
1479 if (iterator->next != 0) {
1480 this_node = cd9660_allocate_cd9660node();
1481 if (this_node == NULL)
1482 CD9660_MEM_ALLOC_ERROR(__func__);
1483 }
1484 }
1485 iterator = iterator->next;
1486 }
1487
1488 /* cd9660_handle_collisions(first_node); */
1489
1490 /* TODO: need cleanup */
1491 cd9660_copy_filenames(diskStructure, parent_node);
1492
1493 do {
1494 flag = cd9660_handle_collisions(diskStructure, parent_node,
1495 counter);
1496 counter++;
1497 cd9660_sorting_nodes(parent_node);
1498 } while ((flag == 1) && (counter < 100));
1499}
1500
1501/*
1502 * Clean up the cd9660node tree
1503 * This is designed to be called recursively on the root node
1504 * @param struct cd9660node *root The node to free
1505 * @returns void
1506 */
1507static void
1508cd9660_free_structure(cd9660node *root)
1509{
1510 cd9660node *cn;
1511
1512 while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1513 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1514 cd9660_free_structure(cn);
1515 }
1516 free(root);
1517}
1518
1519/*
1520 * Be a little more memory conservative:
1521 * instead of having the TAILQ_ENTRY as part of the cd9660node,
1522 * just create a temporary structure
1523 */
1524struct ptq_entry
1525{
1526 TAILQ_ENTRY(ptq_entry) ptq;
1527 cd9660node *node;
1528} *n;
1529
1530#define PTQUEUE_NEW(n,s,r,t){\
1531 n = emalloc(sizeof(struct s)); \
1532 if (n == NULL) \
1533 return r; \
1534 n->node = t;\
1535}
1536
1537/*
1538 * Generate the path tables
1539 * The specific implementation of this function is left as an exercise to the
1540 * programmer. It could be done recursively. Make sure you read how the path
1541 * table has to be laid out, it has levels.
1542 * @param struct iso9660_disk *disk The disk image
1543 * @returns int The number of built path tables (between 1 and 4), 0 on failure
1544 */
1545static int
1546cd9660_generate_path_table(iso9660_disk *diskStructure)
1547{
1548 cd9660node *cn, *dirNode = diskStructure->rootNode;
1549 cd9660node *last = dirNode;
1550 int pathTableSize = 0; /* computed as we go */
1551 int counter = 1; /* root gets a count of 0 */
1552
1553 TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1554 TAILQ_INIT(&pt_head);
1555
1556 PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1557
1558 /* Push the root node */
1559 TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1560
1561 /* Breadth-first traversal of file structure */
1562 while (pt_head.tqh_first != 0) {
1563 n = pt_head.tqh_first;
1564 dirNode = n->node;
1565 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1566 free(n);
1567
1568 /* Update the size */
1569 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1570 + dirNode->isoDirRecord->name_len[0]+
1571 (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1572 /* includes the padding bit */
1573
1574 dirNode->ptnumber=counter;
1575 if (dirNode != last) {
1576 last->ptnext = dirNode;
1577 dirNode->ptprev = last;
1578 }
1579 last = dirNode;
1580
1581 /* Push children onto queue */
1582 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1583 /*
1584 * Dont add the DOT and DOTDOT types to the path
1585 * table.
1586 */
1587 if ((cn->type != CD9660_TYPE_DOT)
1588 && (cn->type != CD9660_TYPE_DOTDOT)) {
1589
1590 if (S_ISDIR(cn->node->type)) {
1591 PTQUEUE_NEW(n, ptq_entry, -1, cn);
1592 TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1593 }
1594 }
1595 }
1596 counter++;
1597 }
1598 return pathTableSize;
1599}
1600
1601void
1602cd9660_compute_full_filename(cd9660node *node, char *buf)
1603{
1604 int len;
1605
1606 len = CD9660MAXPATH + 1;
1607 len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1608 node->node->path, node->node->name);
1609 if (len > CD9660MAXPATH)
1610 errx(EXIT_FAILURE, "Pathname too long.");
1611}
1612
1613/* NEW filename conversion method */
1614typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
1615 char *, int);
1616
1617
1618/*
1619 * TODO: These two functions are almost identical.
1620 * Some code cleanup is possible here
1621 *
1622 * XXX bounds checking!
1623 */
1624static int
1625cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1626 char *newname, int is_file)
1627{
1628 /*
1629 * ISO 9660 : 10.1
1630 * File Name shall not contain more than 8 d or d1 characters
1631 * File Name Extension shall not contain more than 3 d or d1 characters
1632 * Directory Identifier shall not contain more than 8 d or d1 characters
1633 */
1634 int namelen = 0;
1635 int extlen = 0;
1636 int found_ext = 0;
1637
1638 while (*oldname != '\0' && extlen < 3) {
1639 /* Handle period first, as it is special */
1640 if (*oldname == '.') {
1641 if (found_ext) {
1642 *newname++ = '_';
1643 extlen ++;
1644 }
1645 else {
1646 *newname++ = '.';
1647 found_ext = 1;
1648 }
1649 } else {
1650 /* cut RISC OS file type off ISO name */
1651 if (diskStructure->archimedes_enabled &&
1652 *oldname == ',' && strlen(oldname) == 4)
1653 break;
1654
1655 /* Enforce 12.3 / 8 */
1656 if (namelen == 8 && !found_ext)
1657 break;
1658
1659 if (islower((unsigned char)*oldname))
1660 *newname++ = toupper((unsigned char)*oldname);
1661 else if (isupper((unsigned char)*oldname)
1662 || isdigit((unsigned char)*oldname))
1663 *newname++ = *oldname;
1664 else
1665 *newname++ = '_';
1666
1667 if (found_ext)
1668 extlen++;
1669 else
1670 namelen++;
1671 }
1672 oldname++;
1673 }
1674 if (is_file) {
1675 if (!found_ext && !diskStructure->omit_trailing_period)
1676 *newname++ = '.';
1677 /* Add version */
1678 sprintf(newname, ";%i", 1);
1679 }
1680 return namelen + extlen + found_ext;
1681}
1682
1683/* XXX bounds checking! */
1684static int
1685cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1686 char *newname, int is_file)
1687{
1688 /*
1689 * ISO 9660 : 7.5.1
1690 * File name : 0+ d or d1 characters
1691 * separator 1 (.)
1692 * File name extension : 0+ d or d1 characters
1693 * separator 2 (;)
1694 * File version number (5 characters, 1-32767)
1695 * 1 <= Sum of File name and File name extension <= 30
1696 */
1697 int namelen = 0;
1698 int extlen = 0;
1699 int found_ext = 0;
1700
1701 while (*oldname != '\0' && namelen + extlen < 30) {
1702 /* Handle period first, as it is special */
1703 if (*oldname == '.') {
1704 if (found_ext) {
1705 if (diskStructure->allow_multidot) {
1706 *newname++ = '.';
1707 } else {
1708 *newname++ = '_';
1709 }
1710 extlen ++;
1711 }
1712 else {
1713 *newname++ = '.';
1714 found_ext = 1;
1715 }
1716 } else {
1717 /* cut RISC OS file type off ISO name */
1718 if (diskStructure->archimedes_enabled &&
1719 *oldname == ',' && strlen(oldname) == 4)
1720 break;
1721
1722 if (islower((unsigned char)*oldname))
1723 *newname++ = toupper((unsigned char)*oldname);
1724 else if (isupper((unsigned char)*oldname) ||
1725 isdigit((unsigned char)*oldname))
1726 *newname++ = *oldname;
1727 else if (diskStructure->allow_multidot &&
1728 *oldname == '.') {
1729 *newname++ = '.';
1730 } else {
1731 *newname++ = '_';
1732 }
1733
1734 if (found_ext)
1735 extlen++;
1736 else
1737 namelen++;
1738 }
1739 oldname ++;
1740 }
1741 if (is_file) {
1742 if (!found_ext && !diskStructure->omit_trailing_period)
1743 *newname++ = '.';
1744 /* Add version */
1745 sprintf(newname, ";%i", 1);
1746 }
1747 return namelen + extlen + found_ext;
1748}
1749
1750#if 0
1751static int
1752cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1753 char *newname, int is_file)
1754{
1755 /* TODO: implement later, move to cd9660_joliet.c ?? */
1756}
1757#endif
1758
1759
1760/*
1761 * Convert a file name to ISO compliant file name
1762 * @param char * oldname The original filename
1763 * @param char ** newname The new file name, in the appropriate character
1764 * set and of appropriate length
1765 * @param int 1 if file, 0 if directory
1766 * @returns int The length of the new string
1767 */
1768static int
1769cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1770 char *newname, int is_file)
1771{
1772 /* NEW */
1773 cd9660_filename_conversion_functor conversion_function = 0;
1774 if (diskStructure->isoLevel == 1)
1775 conversion_function = &cd9660_level1_convert_filename;
1776 else if (diskStructure->isoLevel == 2)
1777 conversion_function = &cd9660_level2_convert_filename;
1778 return (*conversion_function)(diskStructure, oldname, newname, is_file);
1779}
1780
1781int
1782cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1783{
1784 int size = node->isoDirRecord->length[0];
1785
1786 if (diskStructure->rock_ridge_enabled)
1787 size += node->susp_entry_size;
1788 size += node->su_tail_size;
1789 size += size & 1; /* Ensure length of record is even. */
1790 assert(size <= 254);
1791 return size;
1792}
1793
1794static void
1795cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1796{
1797 node->dot_record->fileDataSector = node->fileDataSector;
1798 memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1799 node->dot_record->isoDirRecord->name_len[0] = 1;
1800 node->dot_record->isoDirRecord->name[0] = 0;
1801 node->dot_record->isoDirRecord->name[1] = 0;
1802 node->dot_record->isoDirRecord->length[0] = 34;
1803 node->dot_record->fileRecordSize =
1804 cd9660_compute_record_size(diskStructure, node->dot_record);
1805
1806 if (node == diskStructure->rootNode) {
1807 node->dot_dot_record->fileDataSector = node->fileDataSector;
1808 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1809 34);
1810 } else {
1811 node->dot_dot_record->fileDataSector =
1812 node->parent->fileDataSector;
1813 memcpy(node->dot_dot_record->isoDirRecord,
1814 node->parent->isoDirRecord,34);
1815 }
1816 node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1817 node->dot_dot_record->isoDirRecord->name[0] = 1;
1818 node->dot_dot_record->isoDirRecord->name[1] = 0;
1819 node->dot_dot_record->isoDirRecord->length[0] = 34;
1820 node->dot_dot_record->fileRecordSize =
1821 cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1822}
1823
1824/*
1825 * @param struct cd9660node *node The node
1826 * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1827 * @returns int The total size of files and directory entries (should be
1828 * a multiple of sector size)
1829*/
1830static int64_t
1831cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1832 int64_t startOffset)
1833{
1834 /*
1835 * This function needs to compute the size of directory records and
1836 * runs, file lengths, and set the appropriate variables both in
1837 * cd9660node and isoDirEntry
1838 */
1839 int64_t used_bytes = 0;
1840 int64_t current_sector_usage = 0;
1841 cd9660node *child;
1842 fsinode *inode;
1843 int64_t r;
1844
1845 assert(node != NULL);
1846
1847
1848 /*
1849 * NOTE : There needs to be some special case detection for
1850 * the "real root" node, since for it, node->node is undefined
1851 */
1852
1853 node->fileDataSector = -1;
1854
1855 if (node->type & CD9660_TYPE_DIR) {
1856 node->fileRecordSize = cd9660_compute_record_size(
1857 diskStructure, node);
1858 /*Set what sector this directory starts in*/
1859 node->fileDataSector =
1860 CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1861
1862 cd9660_bothendian_dword(node->fileDataSector,
1863 node->isoDirRecord->extent);
1864
1865 /*
1866 * First loop over children, need to know the size of
1867 * their directory records
1868 */
1869 node->fileSectorsUsed = 1;
1870 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1871 node->fileDataLength +=
1872 cd9660_compute_record_size(diskStructure, child);
1873 if ((cd9660_compute_record_size(diskStructure, child) +
1874 current_sector_usage) >=
1875 diskStructure->sectorSize) {
1876 current_sector_usage = 0;
1877 node->fileSectorsUsed++;
1878 }
1879
1880 current_sector_usage +=
1881 cd9660_compute_record_size(diskStructure, child);
1882 }
1883
1884 cd9660_bothendian_dword(node->fileSectorsUsed *
1885 diskStructure->sectorSize,node->isoDirRecord->size);
1886
1887 /*
1888 * This should point to the sector after the directory
1889 * record (or, the first byte in that sector)
1890 */
1891 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1892
1893 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1894 child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1895 /* Directories need recursive call */
1896 if (S_ISDIR(child->node->type)) {
1897 r = cd9660_compute_offsets(diskStructure, child,
1898 used_bytes + startOffset);
1899
1900 if (r != -1)
1901 used_bytes += r;
1902 else
1903 return -1;
1904 }
1905 }
1906
1907 /* Explicitly set the . and .. records */
1908 cd9660_populate_dot_records(diskStructure, node);
1909
1910 /* Finally, do another iteration to write the file data*/
1911 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1912 child != NULL;
1913 child = TAILQ_NEXT(child, cn_next_child)) {
1914 /* Files need extent set */
1915 if (S_ISDIR(child->node->type))
1916 continue;
1917 child->fileRecordSize =
1918 cd9660_compute_record_size(diskStructure, child);
1919
1920 child->fileSectorsUsed =
1921 CD9660_BLOCKS(diskStructure->sectorSize,
1922 child->fileDataLength);
1923
1924 inode = child->node->inode;
1925 if ((inode->flags & FI_ALLOCATED) == 0) {
1926 inode->ino =
1927 CD9660_BLOCKS(diskStructure->sectorSize,
1928 used_bytes + startOffset);
1929 inode->flags |= FI_ALLOCATED;
1930 used_bytes += child->fileSectorsUsed *
1931 diskStructure->sectorSize;
1932 } else {
1933 INODE_WARNX(("%s: already allocated inode %d "
1934 "data sectors at %" PRIu32, __func__,
1935 (int)inode->st.st_ino, inode->ino));
1936 }
1937 child->fileDataSector = inode->ino;
1938 cd9660_bothendian_dword(child->fileDataSector,
1939 child->isoDirRecord->extent);
1940 }
1941 }
1942
1943 return used_bytes;
1944}
1945
1946#if 0
1947/* Might get rid of this func */
1948static int
1949cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1950{
1951 to->node->inode->st.st_dev = 0;
1952 to->node->inode->st.st_ino = 0;
1953 to->node->inode->st.st_size = 0;
1954 to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1955 to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1956 to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1957 to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1958 to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1959 to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1960 to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1961 /* Clear out type */
1962 to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1963 if (file)
1964 to->node->inode->st.st_mode |= S_IFREG;
1965 else
1966 to->node->inode->st.st_mode |= S_IFDIR;
1967 return 1;
1968}
1969#endif
1970
1971static cd9660node *
1972cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1973 cd9660node *parent, int file, int insert)
1974{
1975 cd9660node *temp;
1976 fsnode * tfsnode;
1977
1978 assert(parent != NULL);
1979
1980 temp = cd9660_allocate_cd9660node();
1981 if (temp == NULL)
1982 return NULL;
1983
1984 tfsnode = emalloc(sizeof(*tfsnode));
1985 tfsnode->name = estrdup(name);
1986 temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1987
1988 cd9660_convert_filename(diskStructure, tfsnode->name,
1989 temp->isoDirRecord->name, file);
1990
1991 temp->node = tfsnode;
1992 temp->parent = parent;
1993
1994 if (insert) {
1995 if (temp->parent != NULL) {
1996 temp->level = temp->parent->level + 1;
1997 if (!TAILQ_EMPTY(&temp->parent->cn_children))
1998 cd9660_sorted_child_insert(temp->parent, temp);
1999 else
2000 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
2001 temp, cn_next_child);
2002 }
2003 }
2004
2005 if (parent->node != NULL) {
2006 tfsnode->type = parent->node->type;
2007 }
2008
2009 /* Clear out file type bits */
2010 tfsnode->type &= ~(S_IFMT);
2011 if (file)
2012 tfsnode->type |= S_IFREG;
2013 else
2014 tfsnode->type |= S_IFDIR;
2015
2016 /* Indicate that there is no spec entry (inode) */
2017 tfsnode->flags &= ~(FSNODE_F_HASSPEC);
2018#if 0
2019 cd9660_copy_stat_info(parent, temp, file);
2020#endif
2021 return temp;
2022}
2023
2024static cd9660node *
2025cd9660_create_file(iso9660_disk *diskStructure, const char *name,
2026 cd9660node *parent, cd9660node *me)
2027{
2028 cd9660node *temp;
2029
2030 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
2031 if (temp == NULL)
2032 return NULL;
2033
2034 temp->fileDataLength = 0;
2035
2036 temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2037
2038 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2039 *temp->node->inode = *me->node->inode;
2040
2041 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2042 return NULL;
2043 return temp;
2044}
2045
2046/*
2047 * Create a new directory which does not exist on disk
2048 * @param const char * name The name to assign to the directory
2049 * @param const char * parent Pointer to the parent directory
2050 * @returns cd9660node * Pointer to the new directory
2051 */
2052static cd9660node *
2053cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
2054 cd9660node *parent, cd9660node *me)
2055{
2056 cd9660node *temp;
2057
2058 temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2059 if (temp == NULL)
2060 return NULL;
2061 temp->node->type |= S_IFDIR;
2062
2063 temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2064
2065 temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2066 *temp->node->inode = *me->node->inode;
2067
2068 if (cd9660_translate_node_common(diskStructure, temp) == 0)
2069 return NULL;
2070 return temp;
2071}
2072
2073static cd9660node *
2074cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2075 cd9660node *parent)
2076{
2077 cd9660node *temp, *first;
2078 char na[2];
2079
2080 assert(parent != NULL);
2081
2082 if (type == CD9660_TYPE_DOT)
2083 na[0] = 0;
2084 else if (type == CD9660_TYPE_DOTDOT)
2085 na[0] = 1;
2086 else
2087 return 0;
2088
2089 na[1] = 0;
2090 if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2091 0, 0)) == NULL)
2092 return NULL;
2093
2094 temp->parent = parent;
2095 temp->type = type;
2096 temp->isoDirRecord->length[0] = 34;
2097 /* Dot record is always first */
2098 if (type == CD9660_TYPE_DOT) {
2099 parent->dot_record = temp;
2100 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2101 /* DotDot should be second */
2102 } else if (type == CD9660_TYPE_DOTDOT) {
2103 parent->dot_dot_record = temp;
2104 /*
2105 * If the first child is the dot record, insert
2106 * this second. Otherwise, insert it at the head.
2107 */
2108 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2109 (first->type & CD9660_TYPE_DOT) == 0) {
2110 TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2111 cn_next_child);
2112 } else {
2113 TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2114 cn_next_child);
2115 }
2116 }
2117
2118 return temp;
2119}
2120
2121static int
2122cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2123{
2124 struct stat stbuf;
2125
2126 assert(bootimage != NULL);
2127
2128 if (*bootimage == '\0') {
2129 warnx("Error: Boot image must be a filename");
2130 return 0;
2131 }
2132
2133 diskStructure->generic_bootimage = estrdup(bootimage);
2134
2135 /* Get information about the file */
2136 if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2137 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2138 diskStructure->generic_bootimage);
2139
2140 if (stbuf.st_size > 32768) {
2141 warnx("Error: Boot image must be no greater than 32768 bytes");
2142 return 0;
2143 }
2144
2145 if (diskStructure->verbose_level > 0) {
2146 printf("Generic boot image image has size %lld\n",
2147 (long long)stbuf.st_size);
2148 }
2149
2150 diskStructure->has_generic_bootimage = 1;
2151
2152 return 1;
2153}
