usr.sbin/makefs/cd9660.c

   1 /*      $NetBSD: cd9660.c,v 1.56 2019/10/18 04:09:02 msaitoh Exp $      */
   2
   3 /*-
   4  * SPDX-License-Identifier: BSD-2-Clause AND BSD-4-Clause
   5  *
   6  * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
   7  * Perez-Rathke and Ram Vedam.  All rights reserved.
   8  *
   9  * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
  10  * Alan Perez-Rathke and Ram Vedam.
  11  *
  12  * Redistribution and use in source and binary forms, with or
  13  * without modification, are permitted provided that the following
  14  * conditions are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above
  18  *    copyright notice, this list of conditions and the following
  19  *    disclaimer in the documentation and/or other materials provided
  20  *    with the distribution.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
  23  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26  * DISCLAIMED.  IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
  27  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
  28  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  30  * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  31  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  34  * OF SUCH DAMAGE.
  35  */
  36 /*
  37  * Copyright (c) 2001 Wasabi Systems, Inc.
  38  * All rights reserved.
  39  *
  40  * Written by Luke Mewburn for Wasabi Systems, Inc.
  41  *
  42  * Redistribution and use in source and binary forms, with or without
  43  * modification, are permitted provided that the following conditions
  44  * are met:
  45  * 1. Redistributions of source code must retain the above copyright
  46  *    notice, this list of conditions and the following disclaimer.
  47  * 2. Redistributions in binary form must reproduce the above copyright
  48  *    notice, this list of conditions and the following disclaimer in the
  49  *    documentation and/or other materials provided with the distribution.
  50  * 3. All advertising materials mentioning features or use of this software
  51  *    must display the following acknowledgement:
  52  *      This product includes software developed for the NetBSD Project by
  53  *      Wasabi Systems, Inc.
  54  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  55  *    or promote products derived from this software without specific prior
  56  *    written permission.
  57  *
  58  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  60  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  61  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  62  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  63  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  64  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  65  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  66  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  67  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  68  * POSSIBILITY OF SUCH DAMAGE.
  69  */
  70 /*
  71  * Copyright (c) 1982, 1986, 1989, 1993
  72  *      The Regents of the University of California.  All rights reserved.
  73  *
  74  * Redistribution and use in source and binary forms, with or without
  75  * modification, are permitted provided that the following conditions
  76  * are met:
  77  * 1. Redistributions of source code must retain the above copyright
  78  *    notice, this list of conditions and the following disclaimer.
  79  * 2. Redistributions in binary form must reproduce the above copyright
  80  *    notice, this list of conditions and the following disclaimer in the
  81  *    documentation and/or other materials provided with the distribution.
  82  * 3. Neither the name of the University nor the names of its contributors
  83  *    may be used to endorse or promote products derived from this software
  84  *    without specific prior written permission.
  85  *
  86  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  87  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  88  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  89  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  90  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  91  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  92  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  93  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  94  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  95  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  96  * SUCH DAMAGE.
  97  *
  98   */
  99
 100 #include <sys/cdefs.h>
 101 #include <sys/param.h>
 102 #include <sys/queue.h>
 103 #include <ctype.h>
 104 #include <stdlib.h>
 105 #include <string.h>
 106 #include <util.h>
 107
 108 #include "makefs.h"
 109 #include "cd9660.h"
 110 #include "cd9660/iso9660_rrip.h"
 111 #include "cd9660/cd9660_archimedes.h"
 112
 113 static void cd9660_finalize_PVD(iso9660_disk *);
 114 static cd9660node *cd9660_allocate_cd9660node(void);
 115 static void cd9660_set_defaults(iso9660_disk *);
 116 static int cd9660_arguments_set_string(const char *, const char *, size_t,
 117     char, char *);
 118 static void cd9660_populate_iso_dir_record(
 119     struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
 120     const char *);
 121 static void cd9660_setup_root_node(iso9660_disk *);
 122 static int cd9660_setup_volume_descriptors(iso9660_disk *);
 123 #if 0
 124 static int cd9660_fill_extended_attribute_record(cd9660node *);
 125 #endif
 126 static void cd9660_sort_nodes(cd9660node *);
 127 static int cd9660_translate_node_common(iso9660_disk *, cd9660node *);
 128 static int cd9660_translate_node(iso9660_disk *, fsnode *, cd9660node *);
 129 static int cd9660_compare_filename(const char *, const char *);
 130 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
 131 static int cd9660_handle_collisions(iso9660_disk *, cd9660node *, int);
 132 static cd9660node *cd9660_rename_filename(iso9660_disk *, cd9660node *, int,
 133     int);
 134 static void cd9660_copy_filenames(iso9660_disk *, cd9660node *);
 135 static void cd9660_sorting_nodes(cd9660node *);
 136 static int cd9660_count_collisions(cd9660node *);
 137 static cd9660node *cd9660_rrip_move_directory(iso9660_disk *, cd9660node *);
 138 static int cd9660_add_dot_records(iso9660_disk *, cd9660node *);
 139
 140 static void cd9660_convert_structure(iso9660_disk *, fsnode *, cd9660node *, int,
 141     int *, int *);
 142 static void cd9660_free_structure(cd9660node *);
 143 static int cd9660_generate_path_table(iso9660_disk *);
 144 static int cd9660_level1_convert_filename(iso9660_disk *, const char *, char *,
 145     int);
 146 static int cd9660_level2_convert_filename(iso9660_disk *, const char *, char *,
 147     int);
 148 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
 149 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
 150 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
 151 #if 0
 152 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
 153 #endif
 154 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
 155     cd9660node *, int, int);
 156 static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
 157     cd9660node *, cd9660node *);
 158 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
 159     cd9660node *, cd9660node *);
 160 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
 161     cd9660node *);
 162 static int  cd9660_add_generic_bootimage(iso9660_disk *, const char *);
 163
 164
 165 /*
 166  * Allocate and initialize a cd9660node
 167  * @returns struct cd9660node * Pointer to new node, or NULL on error
 168  */
 169 static cd9660node *
 170 cd9660_allocate_cd9660node(void)
 171 {
 172         cd9660node *temp = ecalloc(1, sizeof(*temp));
 173
 174         TAILQ_INIT(&temp->cn_children);
 175         temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
 176         temp->ptnext = temp->ptprev = temp->ptlast = NULL;
 177         temp->node = NULL;
 178         temp->isoDirRecord = NULL;
 179         temp->isoExtAttributes = NULL;
 180         temp->rr_real_parent = temp->rr_relocated = NULL;
 181         temp->su_tail_data = NULL;
 182         return temp;
 183 }
 184
 185 /**
 186 * Set default values for cd9660 extension to makefs
 187 */
 188 static void
 189 cd9660_set_defaults(iso9660_disk *diskStructure)
 190 {
 191         /*Fix the sector size for now, though the spec allows for other sizes*/
 192         diskStructure->sectorSize = 2048;
 193
 194         /* Set up defaults in our own structure */
 195         diskStructure->verbose_level = 0;
 196         diskStructure->keep_bad_images = 0;
 197         diskStructure->isoLevel = 2;
 198
 199         diskStructure->rock_ridge_enabled = 0;
 200         diskStructure->rock_ridge_renamed_dir_name = 0;
 201         diskStructure->rock_ridge_move_count = 0;
 202         diskStructure->rr_moved_dir = 0;
 203
 204         diskStructure->archimedes_enabled = 0;
 205         diskStructure->chrp_boot = 0;
 206
 207         diskStructure->include_padding_areas = 1;
 208
 209         /* Spec breaking functionality */
 210         diskStructure->allow_deep_trees =
 211             diskStructure->allow_start_dot =
 212             diskStructure->allow_max_name =
 213             diskStructure->allow_illegal_chars =
 214             diskStructure->allow_lowercase =
 215             diskStructure->allow_multidot =
 216             diskStructure->omit_trailing_period = 0;
 217
 218         /* Make sure the PVD is clear */
 219         memset(&diskStructure->primaryDescriptor, 0, 2048);
 220
 221         memset(diskStructure->primaryDescriptor.publisher_id,   0x20,128);
 222         memset(diskStructure->primaryDescriptor.preparer_id,    0x20,128);
 223         memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
 224         memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
 225         memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
 226         memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
 227
 228         strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
 229
 230         /* Boot support: Initially disabled */
 231         diskStructure->has_generic_bootimage = 0;
 232         diskStructure->generic_bootimage = NULL;
 233
 234         diskStructure->boot_image_directory = 0;
 235         /*memset(diskStructure->boot_descriptor, 0, 2048);*/
 236
 237         diskStructure->is_bootable = 0;
 238         TAILQ_INIT(&diskStructure->boot_images);
 239         LIST_INIT(&diskStructure->boot_entries);
 240 }
 241
 242 void
 243 cd9660_prep_opts(fsinfo_t *fsopts)
 244 {
 245         iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
 246
 247 #define OPT_STR(letter, name, desc) \
 248         { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
 249
 250 #define OPT_NUM(letter, name, field, min, max, desc) \
 251         { letter, name, &diskStructure->field, \
 252           sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
 253           (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
 254           (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
 255           min, max, desc }
 256
 257 #define OPT_BOOL(letter, name, field, desc) \
 258         OPT_NUM(letter, name, field, 0, 1, desc)
 259
 260         const option_t cd9660_options[] = {
 261                 OPT_NUM('l', "isolevel", isoLevel,
 262                     1, 2, "ISO Level"),
 263                 OPT_NUM('v', "verbose", verbose_level,
 264                     0, 2, "Turns on verbose output"),
 265
 266                 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
 267                     "Enable Rock-Ridge extensions"),
 268                 OPT_BOOL('C', "chrp-boot", chrp_boot,
 269                     "Enable CHRP boot"),
 270                 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
 271                     "Keep bad images"),
 272                 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
 273                     "Allow trees more than 8 levels"),
 274                 OPT_BOOL('a', "allow-max-name", allow_max_name,
 275                     "Allow 37 char filenames (unimplemented)"),
 276                 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
 277                     "Allow illegal characters in filenames"),
 278                 OPT_BOOL('m', "allow-multidot", allow_multidot,
 279                     "Allow multiple periods in filenames"),
 280                 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
 281                     "Omit trailing periods in filenames"),
 282                 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
 283                     "Allow lowercase characters in filenames"),
 284                 OPT_BOOL('\0', "archimedes", archimedes_enabled,
 285                     "Enable Archimedes structure"),
 286                 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
 287                     "Include padding areas"),
 288
 289                 OPT_STR('A', "applicationid", "Application Identifier"),
 290                 OPT_STR('P', "publisher", "Publisher Identifier"),
 291                 OPT_STR('p', "preparer", "Preparer Identifier"),
 292                 OPT_STR('L', "label", "Disk Label"),
 293                 OPT_STR('V', "volumeid", "Volume Set Identifier"),
 294                 OPT_STR('B', "bootimage", "Boot image parameter"),
 295                 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
 296                 OPT_STR('\0', "bootimagedir", "Boot image directory"),
 297                 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
 298                 OPT_STR('\0', "no-boot", "No boot support"),
 299                 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
 300                 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
 301                 OPT_STR('\0', "platformid", "Section Header Platform ID"),
 302
 303                 { .name = NULL }
 304         };
 305
 306         fsopts->fs_specific = diskStructure;
 307         fsopts->fs_options = copy_opts(cd9660_options);
 308
 309         cd9660_set_defaults(diskStructure);
 310 }
 311
 312 void
 313 cd9660_cleanup_opts(fsinfo_t *fsopts)
 314 {
 315         free(fsopts->fs_specific);
 316         free(fsopts->fs_options);
 317 }
 318
 319 static int
 320 cd9660_arguments_set_string(const char *val, const char *fieldtitle,
 321     size_t length, char testmode, char *dest)
 322 {
 323         size_t len;
 324         int test;
 325
 326         if (val == NULL)
 327                 warnx("error: '%s' requires a string argument", fieldtitle);
 328         else if ((len = strlen(val)) <= length) {
 329                 if (testmode == 'd')
 330                         test = cd9660_valid_d_chars(val);
 331                 else
 332                         test = cd9660_valid_a_chars(val);
 333                 if (test) {
 334                         memcpy(dest, val, len);
 335                         if (test == 2)
 336                                 cd9660_uppercase_characters(dest, len);
 337                         return 1;
 338                 } else
 339                         warnx("error: '%s' must be composed of %c-characters",
 340                             fieldtitle, testmode);
 341         } else
 342                 warnx("error: '%s' must be at most 32 characters long",
 343                     fieldtitle);
 344         return 0;
 345 }
 346
 347 /*
 348  * Command-line parsing function
 349  */
 350
 351 int
 352 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
 353 {
 354         int     rv, i;
 355         iso9660_disk *diskStructure = fsopts->fs_specific;
 356         option_t *cd9660_options = fsopts->fs_options;
 357         char buf[1024];
 358         const char *name, *desc;
 359
 360         assert(option != NULL);
 361
 362         if (debug & DEBUG_FS_PARSE_OPTS)
 363                 printf("%s: got `%s'\n", __func__, option);
 364
 365         i = set_option(cd9660_options, option, buf, sizeof(buf));
 366         if (i == -1)
 367                 return 0;
 368
 369         if (cd9660_options[i].name == NULL)
 370                 abort();
 371
 372         name = cd9660_options[i].name;
 373         desc = cd9660_options[i].desc;
 374         switch (cd9660_options[i].letter) {
 375         case 'h':
 376         case 'S':
 377                 rv = 0; /* this is not handled yet */
 378                 break;
 379         case 'L':
 380                 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
 381                     diskStructure->primaryDescriptor.volume_id);
 382                 break;
 383         case 'A':
 384                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 385                     diskStructure->primaryDescriptor.application_id);
 386                 break;
 387         case 'P':
 388                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 389                     diskStructure->primaryDescriptor.publisher_id);
 390                 break;
 391         case 'p':
 392                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 393                     diskStructure->primaryDescriptor.preparer_id);
 394                 break;
 395         case 'V':
 396                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 397                     diskStructure->primaryDescriptor.volume_set_id);
 398                 break;
 399         /* Boot options */
 400         case 'B':
 401                 if (buf[0] == '\0') {
 402                         warnx("The Boot Image parameter requires a valid boot"
 403                             "information string");
 404                         rv = 0;
 405                 } else
 406                         rv = cd9660_add_boot_disk(diskStructure, buf);
 407                 break;
 408         case 'G':
 409                 if (buf[0] == '\0') {
 410                         warnx("The Generic Boot Image parameter requires a"
 411                             " valid boot information string");
 412                         rv = 0;
 413                 } else
 414                         rv = cd9660_add_generic_bootimage(diskStructure, buf);
 415                 break;
 416         default:
 417                 if (strcmp(name, "bootimagedir") == 0) {
 418                         /*
 419                          * XXXfvdl this is unused.
 420                          */
 421                         if (buf[0] == '\0') {
 422                                 warnx("The Boot Image Directory parameter"
 423                                     " requires a directory name");
 424                                 rv = 0;
 425                         } else {
 426                                 diskStructure->boot_image_directory =
 427                                     emalloc(strlen(buf) + 1);
 428                                 /* BIG TODO: Add the max length function here */
 429                                 rv = cd9660_arguments_set_string(buf, desc, 12,
 430                                     'd', diskStructure->boot_image_directory);
 431                         }
 432                 } else if (strcmp(name, "no-emul-boot") == 0 ||
 433                     strcmp(name, "no-boot") == 0 ||
 434                     strcmp(name, "hard-disk-boot") == 0) {
 435                         /* RRIP */
 436                         cd9660_eltorito_add_boot_option(diskStructure, name, 0);
 437                         rv = 1;
 438                 } else if (strcmp(name, "boot-load-segment") == 0 ||
 439                     strcmp(name, "platformid") == 0) {
 440                         if (buf[0] == '\0') {
 441                                 warnx("Option `%s' doesn't contain a value",
 442                                     name);
 443                                 rv = 0;
 444                         } else {
 445                                 cd9660_eltorito_add_boot_option(diskStructure,
 446                                     name, buf);
 447                                 rv = 1;
 448                         }
 449                 } else
 450                         rv = 1;
 451         }
 452         return rv;
 453 }
 454
 455 /*
 456  * Main function for cd9660_makefs
 457  * Builds the ISO image file
 458  * @param const char *image The image filename to create
 459  * @param const char *dir The directory that is being read
 460  * @param struct fsnode *root The root node of the filesystem tree
 461  * @param struct fsinfo_t *fsopts Any options
 462  */
 463 void
 464 cd9660_makefs(const char *image, const char *dir, fsnode *root,
 465     fsinfo_t *fsopts)
 466 {
 467         int64_t startoffset;
 468         int numDirectories;
 469         uint64_t pathTableSectors;
 470         int64_t firstAvailableSector;
 471         int64_t totalSpace;
 472         int error;
 473         cd9660node *real_root;
 474         iso9660_disk *diskStructure = fsopts->fs_specific;
 475
 476         if (diskStructure->verbose_level > 0)
 477                 printf("%s: ISO level is %i\n", __func__,
 478                     diskStructure->isoLevel);
 479         if (diskStructure->isoLevel < 2 &&
 480             diskStructure->allow_multidot)
 481                 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
 482
 483         assert(image != NULL);
 484         assert(dir != NULL);
 485         assert(root != NULL);
 486
 487         if (diskStructure->verbose_level > 0)
 488                 printf("%s: image %s directory %s root %p\n", __func__,
 489                     image, dir, root);
 490
 491         /* Set up some constants. Later, these will be defined with options */
 492
 493         /* Counter needed for path tables */
 494         numDirectories = 0;
 495
 496         /* Convert tree to our own format */
 497         /* Actually, we now need to add the REAL root node, at level 0 */
 498
 499         real_root = cd9660_allocate_cd9660node();
 500         real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
 501         /* Leave filename blank for root */
 502         memset(real_root->isoDirRecord->name, 0,
 503             ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 504
 505         real_root->level = 0;
 506         diskStructure->rootNode = real_root;
 507         real_root->type = CD9660_TYPE_DIR;
 508         error = 0;
 509         real_root->node = root;
 510         cd9660_convert_structure(diskStructure, root, real_root, 1,
 511             &numDirectories, &error);
 512
 513         if (TAILQ_EMPTY(&real_root->cn_children)) {
 514                 errx(EXIT_FAILURE, "%s: converted directory is empty. "
 515                     "Tree conversion failed", __func__);
 516         } else if (error != 0) {
 517                 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
 518         } else {
 519                 if (diskStructure->verbose_level > 0)
 520                         printf("%s: tree converted\n", __func__);
 521         }
 522
 523         /* Add the dot and dot dot records */
 524         cd9660_add_dot_records(diskStructure, real_root);
 525
 526         cd9660_setup_root_node(diskStructure);
 527
 528         if (diskStructure->verbose_level > 0)
 529                 printf("%s: done converting tree\n", __func__);
 530
 531         /* non-SUSP extensions */
 532         if (diskStructure->archimedes_enabled)
 533                 archimedes_convert_tree(diskStructure->rootNode);
 534
 535         /* Rock ridge / SUSP init pass */
 536         if (diskStructure->rock_ridge_enabled) {
 537                 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
 538                     diskStructure->rootNode, NULL);
 539         }
 540
 541         /* Build path table structure */
 542         diskStructure->pathTableLength = cd9660_generate_path_table(
 543             diskStructure);
 544
 545         pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
 546                 diskStructure->pathTableLength);
 547
 548         firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
 549         if (diskStructure->is_bootable) {
 550                 firstAvailableSector = cd9660_setup_boot(diskStructure,
 551                     firstAvailableSector);
 552                 if (firstAvailableSector < 0)
 553                         errx(EXIT_FAILURE, "setup_boot failed");
 554         }
 555         /* LE first, then BE */
 556         diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
 557         diskStructure->primaryBigEndianTableSector =
 558                 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
 559
 560         /* Set the secondary ones to -1, not going to use them for now */
 561         diskStructure->secondaryBigEndianTableSector = -1;
 562         diskStructure->secondaryLittleEndianTableSector = -1;
 563
 564         diskStructure->dataFirstSector =
 565             diskStructure->primaryBigEndianTableSector + pathTableSectors;
 566         if (diskStructure->verbose_level > 0)
 567                 printf("%s: Path table conversion complete. "
 568                     "Each table is %i bytes, or %" PRIu64 " sectors.\n",
 569                     __func__,
 570                     diskStructure->pathTableLength, pathTableSectors);
 571
 572         startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
 573
 574         totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
 575
 576         diskStructure->totalSectors = diskStructure->dataFirstSector +
 577                 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
 578
 579         /* Disabled until pass 1 is done */
 580         if (diskStructure->rock_ridge_enabled) {
 581                 diskStructure->susp_continuation_area_start_sector =
 582                     diskStructure->totalSectors;
 583                 diskStructure->totalSectors +=
 584                     CD9660_BLOCKS(diskStructure->sectorSize,
 585                         diskStructure->susp_continuation_area_size);
 586                 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
 587         }
 588
 589
 590         cd9660_finalize_PVD(diskStructure);
 591
 592         /* Add padding sectors, just for testing purposes right now */
 593         /* diskStructure->totalSectors+=150; */
 594
 595         /* Debugging output */
 596         if (diskStructure->verbose_level > 0) {
 597                 printf("%s: Sectors 0-15 reserved\n", __func__);
 598                 printf("%s: Primary path tables starts in sector %"
 599                     PRId64 "\n", __func__,
 600                     diskStructure->primaryLittleEndianTableSector);
 601                 printf("%s: File data starts in sector %"
 602                     PRId64 "\n", __func__, diskStructure->dataFirstSector);
 603                 printf("%s: Total sectors: %"
 604                     PRId64 "\n", __func__, diskStructure->totalSectors);
 605         }
 606
 607         /*
 608          * Add padding sectors at the end
 609          * TODO: Clean this up and separate padding
 610          */
 611         if (diskStructure->include_padding_areas)
 612                 diskStructure->totalSectors += 150;
 613
 614         cd9660_write_image(diskStructure, image);
 615
 616         if (diskStructure->verbose_level > 1) {
 617                 debug_print_volume_descriptor_information(diskStructure);
 618                 debug_print_tree(diskStructure, real_root, 0);
 619                 debug_print_path_tree(real_root);
 620         }
 621
 622         /* Clean up data structures */
 623         cd9660_free_structure(real_root);
 624
 625         if (diskStructure->verbose_level > 0)
 626                 printf("%s: done\n", __func__);
 627 }
 628
 629 /* Generic function pointer - implement later */
 630 typedef int (*cd9660node_func)(cd9660node *);
 631
 632 static void
 633 cd9660_finalize_PVD(iso9660_disk *diskStructure)
 634 {
 635         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 636
 637         /* root should be a fixed size of 34 bytes since it has no name */
 638         memcpy(diskStructure->primaryDescriptor.root_directory_record,
 639                 diskStructure->rootNode->dot_record->isoDirRecord, 34);
 640
 641         /* In RRIP, this might be longer than 34 */
 642         diskStructure->primaryDescriptor.root_directory_record[0] = 34;
 643
 644         /* Set up all the important numbers in the PVD */
 645         cd9660_bothendian_dword(diskStructure->totalSectors,
 646             (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
 647         cd9660_bothendian_word(1,
 648             (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
 649         cd9660_bothendian_word(1,
 650             (unsigned char *)
 651                 diskStructure->primaryDescriptor.volume_sequence_number);
 652         cd9660_bothendian_word(diskStructure->sectorSize,
 653             (unsigned char *)
 654                 diskStructure->primaryDescriptor.logical_block_size);
 655         cd9660_bothendian_dword(diskStructure->pathTableLength,
 656             (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
 657
 658         cd9660_731(diskStructure->primaryLittleEndianTableSector,
 659                 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
 660         cd9660_732(diskStructure->primaryBigEndianTableSector,
 661                 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
 662
 663         diskStructure->primaryDescriptor.file_structure_version[0] = 1;
 664
 665         /* Pad all strings with spaces instead of nulls */
 666         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
 667         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
 668         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
 669             128);
 670         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
 671             128);
 672         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
 673             128);
 674         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
 675             128);
 676         cd9660_pad_string_spaces(
 677             diskStructure->primaryDescriptor.copyright_file_id, 37);
 678         cd9660_pad_string_spaces(
 679                 diskStructure->primaryDescriptor.abstract_file_id, 37);
 680         cd9660_pad_string_spaces(
 681                 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
 682
 683         /* Setup dates */
 684         cd9660_time_8426(
 685             (unsigned char *)diskStructure->primaryDescriptor.creation_date,
 686             tstamp);
 687         cd9660_time_8426(
 688             (unsigned char *)diskStructure->primaryDescriptor.modification_date,
 689             tstamp);
 690
 691 #if 0
 692         cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
 693             tstamp);
 694 #endif
 695
 696         memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
 697         diskStructure->primaryDescriptor.expiration_date[16] = 0;
 698
 699         cd9660_time_8426(
 700             (unsigned char *)diskStructure->primaryDescriptor.effective_date,
 701             tstamp);
 702         /* make this sane */
 703         cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
 704             tstamp);
 705 }
 706
 707 static void
 708 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
 709                                u_char ext_attr_length, u_char flags,
 710                                u_char name_len, const char * name)
 711 {
 712         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 713
 714         record->ext_attr_length[0] = ext_attr_length;
 715         cd9660_time_915(record->date, tstamp);
 716         record->flags[0] = ISO_FLAG_CLEAR | flags;
 717         record->file_unit_size[0] = 0;
 718         record->interleave[0] = 0;
 719         cd9660_bothendian_word(1, record->volume_sequence_number);
 720         record->name_len[0] = name_len;
 721         memset(record->name, '\0', sizeof (record->name));
 722         memcpy(record->name, name, name_len);
 723         record->length[0] = 33 + name_len;
 724
 725         /* Todo : better rounding */
 726         record->length[0] += (record->length[0] & 1) ? 1 : 0;
 727 }
 728
 729 static void
 730 cd9660_setup_root_node(iso9660_disk *diskStructure)
 731 {
 732         cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
 733             0, ISO_FLAG_DIRECTORY, 1, "\0");
 734
 735 }
 736
 737 /*********** SUPPORT FUNCTIONS ***********/
 738 static int
 739 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
 740 {
 741         /* Boot volume descriptor should come second */
 742         int sector = 16;
 743         /* For now, a fixed 2 : PVD and terminator */
 744         volume_descriptor *temp, *t;
 745
 746         /* Set up the PVD */
 747         temp = emalloc(sizeof(*temp));
 748         temp->volumeDescriptorData =
 749            (unsigned char *)&diskStructure->primaryDescriptor;
 750         temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
 751         temp->volumeDescriptorData[6] = 1;
 752         temp->sector = sector;
 753         memcpy(temp->volumeDescriptorData + 1,
 754             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 755         diskStructure->firstVolumeDescriptor = temp;
 756
 757         sector++;
 758         /* Set up boot support if enabled. BVD must reside in sector 17 */
 759         if (diskStructure->is_bootable) {
 760                 t = emalloc(sizeof(*t));
 761                 t->volumeDescriptorData = ecalloc(1, 2048);
 762                 temp->next = t;
 763                 temp = t;
 764                 t->sector = 17;
 765                 if (diskStructure->verbose_level > 0)
 766                         printf("Setting up boot volume descriptor\n");
 767                 cd9660_setup_boot_volume_descriptor(diskStructure, t);
 768                 sector++;
 769         }
 770
 771         /* Set up the terminator */
 772         t = emalloc(sizeof(*t));
 773         t->volumeDescriptorData = ecalloc(1, 2048);
 774         temp->next = t;
 775         t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
 776         t->next = NULL;
 777         t->volumeDescriptorData[6] = 1;
 778         t->sector = sector;
 779         memcpy(t->volumeDescriptorData + 1,
 780             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 781
 782         sector++;
 783         return sector;
 784 }
 785
 786 #if 0
 787 /*
 788  * Populate EAR at some point. Not required, but is used by NetBSD's
 789  * cd9660 support
 790  */
 791 static int
 792 cd9660_fill_extended_attribute_record(cd9660node *node)
 793 {
 794         node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
 795         return 1;
 796 }
 797 #endif
 798
 799 static int
 800 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
 801 {
 802         u_char flag;
 803         char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
 804
 805         /* Now populate the isoDirRecord structure */
 806         memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 807
 808         (void)cd9660_convert_filename(diskStructure, newnode->node->name,
 809             temp, !(S_ISDIR(newnode->node->type)));
 810
 811         flag = ISO_FLAG_CLEAR;
 812         if (S_ISDIR(newnode->node->type))
 813                 flag |= ISO_FLAG_DIRECTORY;
 814
 815         cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
 816             flag, strlen(temp), temp);
 817
 818         cd9660_bothendian_dword(newnode->fileDataLength,
 819             newnode->isoDirRecord->size);
 820         /* If the file is a link, we want to set the size to 0 */
 821         if (S_ISLNK(newnode->node->type))
 822                 newnode->fileDataLength = 0;
 823
 824         return 1;
 825 }
 826
 827 /*
 828  * Translate fsnode to cd9660node
 829  * Translate filenames and other metadata, including dates, sizes,
 830  * permissions, etc
 831  * @param struct fsnode * The node generated by makefs
 832  * @param struct cd9660node * The intermediate node to be written to
 833  * @returns int 0 on failure, 1 on success
 834  */
 835 static int
 836 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
 837     cd9660node *newnode)
 838 {
 839         if (node == NULL) {
 840                 if (diskStructure->verbose_level > 0)
 841                         printf("%s: NULL node passed, returning\n", __func__);
 842                 return 0;
 843         }
 844         newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
 845         /* Set the node pointer */
 846         newnode->node = node;
 847
 848         /* Set the size */
 849         if (!(S_ISDIR(node->type)))
 850                 newnode->fileDataLength = node->inode->st.st_size;
 851
 852         if (cd9660_translate_node_common(diskStructure, newnode) == 0)
 853                 return 0;
 854
 855         /* Finally, overwrite some of the values that are set by default */
 856         cd9660_time_915(newnode->isoDirRecord->date,
 857             stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
 858
 859         return 1;
 860 }
 861
 862 /*
 863  * Compares two ISO filenames
 864  * @param const char * The first file name
 865  * @param const char * The second file name
 866  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
 867  *      the second is greater than the first
 868  */
 869 static int
 870 cd9660_compare_filename(const char *first, const char *second)
 871 {
 872         /*
 873          * This can be made more optimal once it has been tested
 874          * (the extra character, for example, is for testing)
 875          */
 876
 877         int p1 = 0;
 878         int p2 = 0;
 879         char c1, c2;
 880         /* First, on the filename */
 881
 882         while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
 883                 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
 884                 c1 = first[p1];
 885                 c2 = second[p2];
 886                 if (c1 == '.' && c2 =='.')
 887                         break;
 888                 else if (c1 == '.') {
 889                         p2++;
 890                         c1 = ' ';
 891                 } else if (c2 == '.') {
 892                         p1++;
 893                         c2 = ' ';
 894                 } else {
 895                         p1++;
 896                         p2++;
 897                 }
 898
 899                 if (c1 < c2)
 900                         return -1;
 901                 else if (c1 > c2) {
 902                         return 1;
 903                 }
 904         }
 905
 906         if (first[p1] == '.' && second[p2] == '.') {
 907                 p1++;
 908                 p2++;
 909                 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
 910                         && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
 911                         c1 = first[p1];
 912                         c2 = second[p2];
 913                         if (c1 == ';' && c2 == ';')
 914                                 break;
 915                         else if (c1 == ';') {
 916                                 p2++;
 917                                 c1 = ' ';
 918                         } else if (c2 == ';') {
 919                                 p1++;
 920                                 c2 = ' ';
 921                         } else {
 922                                 p1++;
 923                                 p2++;
 924                         }
 925
 926                         if (c1 < c2)
 927                                 return -1;
 928                         else if (c1 > c2)
 929                                 return 1;
 930                 }
 931         }
 932         return 0;
 933 }
 934
 935 /*
 936  * Insert a node into list with ISO sorting rules
 937  * @param cd9660node * The head node of the list
 938  * @param cd9660node * The node to be inserted
 939  */
 940 static void
 941 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
 942 {
 943         int compare;
 944         cd9660node *cn;
 945         struct cd9660_children_head *head = &parent->cn_children;
 946
 947         /* TODO: Optimize? */
 948         cn_new->parent = parent;
 949
 950         /*
 951          * first will either be 0, the . or the ..
 952          * if . or .., this means no other entry may be written before first
 953          * if 0, the new node may be inserted at the head
 954          */
 955
 956         TAILQ_FOREACH(cn, head, cn_next_child) {
 957                 /*
 958                  * Dont insert a node twice -
 959                  * that would cause an infinite loop
 960                  */
 961                 if (cn_new == cn)
 962                         return;
 963
 964                 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
 965                         cn->isoDirRecord->name);
 966
 967                 if (compare == 0)
 968                         compare = cd9660_compare_filename(cn_new->node->name,
 969                                 cn->node->name);
 970
 971                 if (compare < 0)
 972                         break;
 973         }
 974         if (cn == NULL)
 975                 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
 976         else
 977                 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
 978 }
 979
 980 /*
 981  * Called After cd9660_sorted_child_insert
 982  * handles file collisions by suffixing each filename with ~n
 983  * where n represents the files respective place in the ordering
 984  */
 985 static int
 986 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
 987     int past)
 988 {
 989         cd9660node *iter, *next, *prev;
 990         int skip;
 991         int delete_chars = 0;
 992         int temp_past = past;
 993         int temp_skip;
 994         int flag = 0;
 995         cd9660node *end_of_range;
 996
 997         for (iter = TAILQ_FIRST(&colliding->cn_children);
 998              iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
 999                 if (strcmp(iter->isoDirRecord->name,
1000                            next->isoDirRecord->name) != 0) {
1001                         iter = TAILQ_NEXT(iter, cn_next_child);
1002                         continue;
1003                 }
1004                 flag = 1;
1005                 temp_skip = skip = cd9660_count_collisions(iter);
1006                 end_of_range = iter;
1007                 while (temp_skip > 0) {
1008                         temp_skip--;
1009                         end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1010                 }
1011                 temp_past = past;
1012                 while (temp_past > 0) {
1013                         if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1014                                 end_of_range = next;
1015                         else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1016                                 iter = prev;
1017                         else
1018                                 delete_chars++;
1019                         temp_past--;
1020                 }
1021                 skip += past;
1022                 iter = cd9660_rename_filename(diskStructure, iter, skip,
1023                     delete_chars);
1024         }
1025         return flag;
1026 }
1027
1028
1029 static cd9660node *
1030 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1031     int delete_chars)
1032 {
1033         int i = 0;
1034         int numbts, digit, digits, temp, powers, count;
1035         char *naming;
1036         int maxlength;
1037         char *tmp;
1038
1039         if (diskStructure->verbose_level > 0)
1040                 printf("Rename_filename called\n");
1041
1042         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1043         /* TODO : A LOT of chanes regarding 8.3 filenames */
1044         if (diskStructure->isoLevel == 1)
1045                 maxlength = 8;
1046         else if (diskStructure->isoLevel == 2)
1047                 maxlength = 31;
1048         else
1049                 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1050
1051         tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1052
1053         while (i < num && iter) {
1054                 powers = 1;
1055                 count = 0;
1056                 digits = 1;
1057                 while (((int)(i / powers) ) >= 10) {
1058                         digits++;
1059                         powers = powers * 10;
1060                 }
1061
1062                 naming = iter->o_name;
1063
1064                 /*
1065                 while ((*naming != '.') && (*naming != ';')) {
1066                         naming++;
1067                         count++;
1068                 }
1069                 */
1070
1071                 while (count < maxlength) {
1072                         if (*naming == ';')
1073                                 break;
1074                         naming++;
1075                         count++;
1076                 }
1077
1078                 if ((count + digits) < maxlength)
1079                         numbts = count;
1080                 else
1081                         numbts = maxlength - (digits);
1082                 numbts -= delete_chars;
1083
1084                 /* 8.3 rules - keep the extension, add before the dot */
1085
1086                 /*
1087                  * This code makes a bunch of assumptions.
1088                  * See if you can spot them all :)
1089                  */
1090
1091 #if 0
1092                 if (diskStructure->isoLevel == 1) {
1093                         numbts = 8 - digits - delete_chars;
1094                         if (dot < 0) {
1095
1096                         } else {
1097                                 if (dot < 8) {
1098                                         memmove(&tmp[numbts],&tmp[dot],4);
1099                                 }
1100                         }
1101                 }
1102 #endif
1103
1104                 /* (copying just the filename before the '.' */
1105                 memcpy(tmp, (iter->o_name), numbts);
1106
1107                 /* adding the appropriate number following the name */
1108                 temp = i;
1109                 while (digits > 0) {
1110                         digit = (int)(temp / powers);
1111                         temp = temp - digit * powers;
1112                         sprintf(&tmp[numbts] , "%d", digit);
1113                         digits--;
1114                         numbts++;
1115                         powers = powers / 10;
1116                 }
1117
1118                 while ((*naming != ';')  && (numbts < maxlength)) {
1119                         tmp[numbts] = (*naming);
1120                         naming++;
1121                         numbts++;
1122                 }
1123
1124                 tmp[numbts] = ';';
1125                 tmp[numbts+1] = '1';
1126                 tmp[numbts+2] = '\0';
1127
1128                 /*
1129                  * now tmp has exactly the identifier
1130                  * we want so we'll copy it back to record
1131                  */
1132                 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1133
1134                 iter = TAILQ_NEXT(iter, cn_next_child);
1135                 i++;
1136         }
1137
1138         free(tmp);
1139         return iter;
1140 }
1141
1142 /* Todo: Figure out why these functions are nec. */
1143 static void
1144 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1145 {
1146         cd9660node *cn;
1147
1148         if (TAILQ_EMPTY(&node->cn_children))
1149                 return;
1150
1151         if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1152                 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1153                 exit(1);
1154         }
1155
1156         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1157                 cd9660_copy_filenames(diskStructure, cn);
1158                 memcpy(cn->o_name, cn->isoDirRecord->name,
1159                     ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1160         }
1161 }
1162
1163 static void
1164 cd9660_sorting_nodes(cd9660node *node)
1165 {
1166         cd9660node *cn;
1167
1168         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1169                 cd9660_sorting_nodes(cn);
1170         cd9660_sort_nodes(node);
1171 }
1172
1173 /* XXX Bubble sort. */
1174 static void
1175 cd9660_sort_nodes(cd9660node *node)
1176 {
1177         cd9660node *cn, *next;
1178
1179         do {
1180                 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1181                         if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1182                                 return;
1183                         else if (strcmp(next->isoDirRecord->name,
1184                                         cn->isoDirRecord->name) >= 0)
1185                                 continue;
1186                         TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1187                         TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1188                         break;
1189                 }
1190         } while (cn != NULL);
1191 }
1192
1193 static int
1194 cd9660_count_collisions(cd9660node *copy)
1195 {
1196         int count = 0;
1197         cd9660node *iter, *next;
1198
1199         for (iter = copy;
1200              (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1201              iter = next) {
1202                 if (cd9660_compare_filename(iter->isoDirRecord->name,
1203                         next->isoDirRecord->name) == 0)
1204                         count++;
1205                 else
1206                         return count;
1207         }
1208 #if 0
1209         if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1210                 printf("%s: count is %i\n", __func__, count);
1211                 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1212                         next->isoDirRecord->name);
1213                 if (compare == 0) {
1214                         count++;
1215                         return cd9660_recurse_on_collision(next, count);
1216                 } else
1217                         return count;
1218         }
1219 #endif
1220         return count;
1221 }
1222
1223 static cd9660node *
1224 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1225 {
1226         char newname[9];
1227         cd9660node *tfile;
1228
1229         /*
1230          * This function needs to:
1231          * 1) Create an empty virtual file in place of the old directory
1232          * 2) Point the virtual file to the new directory
1233          * 3) Point the relocated directory to its old parent
1234          * 4) Move the directory specified by dir into rr_moved_dir,
1235          * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1236          */
1237
1238         /* First see if the moved directory even exists */
1239         if (diskStructure->rr_moved_dir == NULL) {
1240                 diskStructure->rr_moved_dir = cd9660_create_directory(
1241                     diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1242                     diskStructure->rootNode, dir);
1243                 if (diskStructure->rr_moved_dir == NULL)
1244                         return 0;
1245                 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1246                     stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1247         }
1248
1249         /* Create a file with the same ORIGINAL name */
1250         tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1251             dir);
1252         if (tfile == NULL)
1253                 return NULL;
1254
1255         diskStructure->rock_ridge_move_count++;
1256         snprintf(newname, sizeof(newname), "%08u",
1257             diskStructure->rock_ridge_move_count);
1258
1259         /* Point to old parent */
1260         dir->rr_real_parent = dir->parent;
1261
1262         /* Place the placeholder file */
1263         if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1264                 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1265                     cn_next_child);
1266         } else {
1267                 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1268         }
1269
1270         /* Point to new parent */
1271         dir->parent = diskStructure->rr_moved_dir;
1272
1273         /* Point the file to the moved directory */
1274         tfile->rr_relocated = dir;
1275
1276         /* Actually move the directory */
1277         cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1278
1279         /* TODO: Inherit permissions / ownership (basically the entire inode) */
1280
1281         /* Set the new name */
1282         memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1283         strncpy(dir->isoDirRecord->name, newname, 8);
1284         dir->isoDirRecord->length[0] = 34 + 8;
1285         dir->isoDirRecord->name_len[0] = 8;
1286
1287         return dir;
1288 }
1289
1290 static int
1291 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1292 {
1293         struct cd9660_children_head *head = &root->cn_children;
1294         cd9660node *cn;
1295
1296         TAILQ_FOREACH(cn, head, cn_next_child) {
1297                 if ((cn->type & CD9660_TYPE_DIR) == 0)
1298                         continue;
1299                 /* Recursion first */
1300                 cd9660_add_dot_records(diskStructure, cn);
1301         }
1302         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1303         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1304             root);
1305         return 1;
1306 }
1307
1308 /*
1309  * Convert node to cd9660 structure
1310  * This function is designed to be called recursively on the root node of
1311  * the filesystem
1312  * Lots of recursion going on here, want to make sure it is efficient
1313  * @param struct fsnode * The root node to be converted
1314  * @param struct cd9660* The parent node (should not be NULL)
1315  * @param int Current directory depth
1316  * @param int* Running count of the number of directories that are being created
1317  */
1318 static void
1319 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1320     cd9660node *parent_node, int level, int *numDirectories, int *error)
1321 {
1322         fsnode *iterator = root;
1323         cd9660node *this_node;
1324         int working_level;
1325         int add;
1326         int flag = 0;
1327         int counter = 0;
1328
1329         /*
1330          * Newer, more efficient method, reduces recursion depth
1331          */
1332         if (root == NULL) {
1333                 warnx("%s: root is null", __func__);
1334                 return;
1335         }
1336
1337         /* Test for an empty directory - makefs still gives us the . record */
1338         if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1339                 && (root->name[1] == '\0')) {
1340                 root = root->next;
1341                 if (root == NULL)
1342                         return;
1343         }
1344         if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1345                 CD9660_MEM_ALLOC_ERROR(__func__);
1346         }
1347
1348         /*
1349          * To reduce the number of recursive calls, we will iterate over
1350          * the next pointers to the right.
1351          */
1352         while (iterator != NULL) {
1353                 add = 1;
1354                 /*
1355                  * Increment the directory count if this is a directory
1356                  * Ignore "." entries. We will generate them later
1357                  */
1358                 if (!S_ISDIR(iterator->type) ||
1359                     strcmp(iterator->name, ".") != 0) {
1360
1361                         /* Translate the node, including its filename */
1362                         this_node->parent = parent_node;
1363                         cd9660_translate_node(diskStructure, iterator,
1364                             this_node);
1365                         this_node->level = level;
1366
1367                         if (S_ISDIR(iterator->type)) {
1368                                 (*numDirectories)++;
1369                                 this_node->type = CD9660_TYPE_DIR;
1370                                 working_level = level + 1;
1371
1372                                 /*
1373                                  * If at level 8, directory would be at 8
1374                                  * and have children at 9 which is not
1375                                  * allowed as per ISO spec
1376                                  */
1377                                 if (level == 8) {
1378                                         if ((!diskStructure->allow_deep_trees) &&
1379                                           (!diskStructure->rock_ridge_enabled)) {
1380                                                 warnx("error: found entry "
1381                                                      "with depth greater "
1382                                                      "than 8.");
1383                                                 (*error) = 1;
1384                                                 return;
1385                                         } else if (diskStructure->
1386                                                    rock_ridge_enabled) {
1387                                                 working_level = 3;
1388                                                 /*
1389                                                  * Moved directory is actually
1390                                                  * at level 2.
1391                                                  */
1392                                                 this_node->level =
1393                                                     working_level - 1;
1394                                                 if (cd9660_rrip_move_directory(
1395                                                         diskStructure,
1396                                                         this_node) == NULL) {
1397                                                         warnx("Failure in "
1398                                                               "cd9660_rrip_"
1399                                                               "move_directory"
1400                                                         );
1401                                                         (*error) = 1;
1402                                                         return;
1403                                                 }
1404                                                 add = 0;
1405                                         }
1406                                 }
1407
1408                                 /* Do the recursive call on the children */
1409                                 if (iterator->child != NULL) {
1410                                         cd9660_convert_structure(diskStructure,
1411                                                 iterator->child, this_node,
1412                                                 working_level,
1413                                                 numDirectories, error);
1414
1415                                         if ((*error) == 1) {
1416                                                 warnx("%s: Error on recursive "
1417                                                     "call", __func__);
1418                                                 return;
1419                                         }
1420                                 }
1421
1422                         } else {
1423                                 /* Only directories should have children */
1424                                 assert(iterator->child == NULL);
1425
1426                                 this_node->type = CD9660_TYPE_FILE;
1427                         }
1428
1429                         /*
1430                          * Finally, do a sorted insert
1431                          */
1432                         if (add) {
1433                                 cd9660_sorted_child_insert(
1434                                     parent_node, this_node);
1435                         }
1436
1437                         /*Allocate new temp_node */
1438                         if (iterator->next != NULL) {
1439                                 this_node = cd9660_allocate_cd9660node();
1440                                 if (this_node == NULL)
1441                                         CD9660_MEM_ALLOC_ERROR(__func__);
1442                         }
1443                 }
1444                 iterator = iterator->next;
1445         }
1446
1447         /* cd9660_handle_collisions(first_node); */
1448
1449         /* TODO: need cleanup */
1450         cd9660_copy_filenames(diskStructure, parent_node);
1451
1452         do {
1453                 flag = cd9660_handle_collisions(diskStructure, parent_node,
1454                     counter);
1455                 counter++;
1456                 cd9660_sorting_nodes(parent_node);
1457         } while ((flag == 1) && (counter < 100));
1458 }
1459
1460 /*
1461  * Clean up the cd9660node tree
1462  * This is designed to be called recursively on the root node
1463  * @param struct cd9660node *root The node to free
1464  * @returns void
1465  */
1466 static void
1467 cd9660_free_structure(cd9660node *root)
1468 {
1469         cd9660node *cn;
1470
1471         while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1472                 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1473                 cd9660_free_structure(cn);
1474         }
1475         free(root);
1476 }
1477
1478 /*
1479  * Be a little more memory conservative:
1480  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1481  * just create a temporary structure
1482  */
1483 static struct ptq_entry
1484 {
1485         TAILQ_ENTRY(ptq_entry) ptq;
1486         cd9660node *node;
1487 } *n;
1488
1489 #define PTQUEUE_NEW(n,s,r,t){\
1490         n = emalloc(sizeof(struct s));  \
1491         n->node = t;\
1492 }
1493
1494 /*
1495  * Generate the path tables
1496  * The specific implementation of this function is left as an exercise to the
1497  * programmer. It could be done recursively. Make sure you read how the path
1498  * table has to be laid out, it has levels.
1499  * @param struct iso9660_disk *disk The disk image
1500  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1501  */
1502 static int
1503 cd9660_generate_path_table(iso9660_disk *diskStructure)
1504 {
1505         cd9660node *cn, *dirNode = diskStructure->rootNode;
1506         cd9660node *last = dirNode;
1507         int pathTableSize = 0;  /* computed as we go */
1508         int counter = 1;        /* root gets a count of 0 */
1509
1510         TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1511         TAILQ_INIT(&pt_head);
1512
1513         PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1514
1515         /* Push the root node */
1516         TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1517
1518         /* Breadth-first traversal of file structure */
1519         while (pt_head.tqh_first != 0) {
1520                 n = pt_head.tqh_first;
1521                 dirNode = n->node;
1522                 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1523                 free(n);
1524
1525                 /* Update the size */
1526                 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1527                     + dirNode->isoDirRecord->name_len[0]+
1528                         (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1529                         /* includes the padding bit */
1530
1531                 dirNode->ptnumber=counter;
1532                 if (dirNode != last) {
1533                         last->ptnext = dirNode;
1534                         dirNode->ptprev = last;
1535                 }
1536                 last = dirNode;
1537
1538                 /* Push children onto queue */
1539                 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1540                         /*
1541                          * Dont add the DOT and DOTDOT types to the path
1542                          * table.
1543                          */
1544                         if ((cn->type != CD9660_TYPE_DOT)
1545                                 && (cn->type != CD9660_TYPE_DOTDOT)) {
1546
1547                                 if (S_ISDIR(cn->node->type)) {
1548                                         PTQUEUE_NEW(n, ptq_entry, -1, cn);
1549                                         TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1550                                 }
1551                         }
1552                 }
1553                 counter++;
1554         }
1555         return pathTableSize;
1556 }
1557
1558 void
1559 cd9660_compute_full_filename(cd9660node *node, char *buf)
1560 {
1561         int len;
1562
1563         len = PATH_MAX;
1564         len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1565             node->node->path, node->node->name);
1566         if (len >= PATH_MAX)
1567                 errx(EXIT_FAILURE, "Pathname too long.");
1568 }
1569
1570 /*
1571  * TODO: These two functions are almost identical.
1572  * Some code cleanup is possible here
1573  *
1574  * XXX bounds checking!
1575  */
1576 static int
1577 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1578     char *newname, int is_file)
1579 {
1580         /*
1581          * ISO 9660 : 10.1
1582          * File Name shall not contain more than 8 d or d1 characters
1583          * File Name Extension shall not contain more than 3 d or d1 characters
1584          * Directory Identifier shall not contain more than 8 d or d1 characters
1585          */
1586         int namelen = 0;
1587         int extlen = 0;
1588         int found_ext = 0;
1589
1590         while (*oldname != '\0' && extlen < 3) {
1591                 /* Handle period first, as it is special */
1592                 if (*oldname == '.') {
1593                         if (found_ext) {
1594                                 *newname++ = '_';
1595                                 extlen ++;
1596                         }
1597                         else {
1598                                 *newname++ = '.';
1599                                 found_ext = 1;
1600                         }
1601                 } else {
1602                         /* cut RISC OS file type off ISO name */
1603                         if (diskStructure->archimedes_enabled &&
1604                             *oldname == ',' && strlen(oldname) == 4)
1605                                 break;
1606
1607                         /* Enforce 12.3 / 8 */
1608                         if (namelen == 8 && !found_ext)
1609                                 break;
1610
1611                         if (islower((unsigned char)*oldname))
1612                                 *newname++ = toupper((unsigned char)*oldname);
1613                         else if (isupper((unsigned char)*oldname)
1614                             || isdigit((unsigned char)*oldname))
1615                                 *newname++ = *oldname;
1616                         else
1617                                 *newname++ = '_';
1618
1619                         if (found_ext)
1620                                 extlen++;
1621                         else
1622                                 namelen++;
1623                 }
1624                 oldname++;
1625         }
1626         if (is_file) {
1627                 if (!found_ext && !diskStructure->omit_trailing_period)
1628                         *newname++ = '.';
1629                 /* Add version */
1630                 sprintf(newname, ";%i", 1);
1631         }
1632         return namelen + extlen + found_ext;
1633 }
1634
1635 /* XXX bounds checking! */
1636 static int
1637 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1638     char *newname, int is_file)
1639 {
1640         /*
1641          * ISO 9660 : 7.5.1
1642          * File name : 0+ d or d1 characters
1643          * separator 1 (.)
1644          * File name extension : 0+ d or d1 characters
1645          * separator 2 (;)
1646          * File version number (5 characters, 1-32767)
1647          * 1 <= Sum of File name and File name extension <= 30
1648          */
1649         int namelen = 0;
1650         int extlen = 0;
1651         int found_ext = 0;
1652
1653         while (*oldname != '\0' && namelen + extlen < 30) {
1654                 /* Handle period first, as it is special */
1655                 if (*oldname == '.') {
1656                         if (found_ext) {
1657                                 if (diskStructure->allow_multidot) {
1658                                         *newname++ = '.';
1659                                 } else {
1660                                         *newname++ = '_';
1661                                 }
1662                                 extlen ++;
1663                         }
1664                         else {
1665                                 *newname++ = '.';
1666                                 found_ext = 1;
1667                         }
1668                 } else {
1669                         /* cut RISC OS file type off ISO name */
1670                         if (diskStructure->archimedes_enabled &&
1671                             *oldname == ',' && strlen(oldname) == 4)
1672                                 break;
1673
1674                          if (islower((unsigned char)*oldname))
1675                                 *newname++ = toupper((unsigned char)*oldname);
1676                         else if (isupper((unsigned char)*oldname) ||
1677                             isdigit((unsigned char)*oldname))
1678                                 *newname++ = *oldname;
1679                         else if (diskStructure->allow_multidot &&
1680                             *oldname == '.') {
1681                                 *newname++ = '.';
1682                         } else {
1683                                 *newname++ = '_';
1684                         }
1685
1686                         if (found_ext)
1687                                 extlen++;
1688                         else
1689                                 namelen++;
1690                 }
1691                 oldname ++;
1692         }
1693         if (is_file) {
1694                 if (!found_ext && !diskStructure->omit_trailing_period)
1695                         *newname++ = '.';
1696                 /* Add version */
1697                 sprintf(newname, ";%i", 1);
1698         }
1699         return namelen + extlen + found_ext;
1700 }
1701
1702 /*
1703  * Convert a file name to ISO compliant file name
1704  * @param char * oldname The original filename
1705  * @param char ** newname The new file name, in the appropriate character
1706  *                        set and of appropriate length
1707  * @param int 1 if file, 0 if directory
1708  * @returns int The length of the new string
1709  */
1710 static int
1711 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1712     char *newname, int is_file)
1713 {
1714         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1715         if (diskStructure->isoLevel == 1)
1716                 return(cd9660_level1_convert_filename(diskStructure,
1717                     oldname, newname, is_file));
1718         else if (diskStructure->isoLevel == 2)
1719                 return (cd9660_level2_convert_filename(diskStructure,
1720                     oldname, newname, is_file));
1721         abort();
1722 }
1723
1724 int
1725 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1726 {
1727         int size = node->isoDirRecord->length[0];
1728
1729         if (diskStructure->rock_ridge_enabled)
1730                 size += node->susp_entry_size;
1731         size += node->su_tail_size;
1732         size += size & 1; /* Ensure length of record is even. */
1733         assert(size <= 254);
1734         return size;
1735 }
1736
1737 static void
1738 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1739 {
1740         node->dot_record->fileDataSector = node->fileDataSector;
1741         memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1742         node->dot_record->isoDirRecord->name_len[0] = 1;
1743         node->dot_record->isoDirRecord->name[0] = 0;
1744         node->dot_record->isoDirRecord->name[1] = 0;
1745         node->dot_record->isoDirRecord->length[0] = 34;
1746         node->dot_record->fileRecordSize =
1747             cd9660_compute_record_size(diskStructure, node->dot_record);
1748
1749         if (node == diskStructure->rootNode) {
1750                 node->dot_dot_record->fileDataSector = node->fileDataSector;
1751                 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1752                     34);
1753         } else {
1754                 node->dot_dot_record->fileDataSector =
1755                     node->parent->fileDataSector;
1756                 memcpy(node->dot_dot_record->isoDirRecord,
1757                     node->parent->isoDirRecord,34);
1758         }
1759         node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1760         node->dot_dot_record->isoDirRecord->name[0] = 1;
1761         node->dot_dot_record->isoDirRecord->name[1] = 0;
1762         node->dot_dot_record->isoDirRecord->length[0] = 34;
1763         node->dot_dot_record->fileRecordSize =
1764             cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1765 }
1766
1767 /*
1768  * @param struct cd9660node *node The node
1769  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1770  * @returns int The total size of files and directory entries (should be
1771  *              a multiple of sector size)
1772 */
1773 static int64_t
1774 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1775     int64_t startOffset)
1776 {
1777         /*
1778          * This function needs to compute the size of directory records and
1779          * runs, file lengths, and set the appropriate variables both in
1780          * cd9660node and isoDirEntry
1781          */
1782         int64_t used_bytes = 0;
1783         int64_t current_sector_usage = 0;
1784         cd9660node *child;
1785         fsinode *inode;
1786         int64_t r;
1787
1788         assert(node != NULL);
1789
1790
1791         /*
1792          * NOTE : There needs to be some special case detection for
1793          * the "real root" node, since for it, node->node is undefined
1794          */
1795
1796         node->fileDataSector = -1;
1797
1798         if (node->type & CD9660_TYPE_DIR) {
1799                 node->fileRecordSize = cd9660_compute_record_size(
1800                     diskStructure, node);
1801                 /*Set what sector this directory starts in*/
1802                 node->fileDataSector =
1803                     CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1804
1805                 cd9660_bothendian_dword(node->fileDataSector,
1806                     node->isoDirRecord->extent);
1807
1808                 /*
1809                  * First loop over children, need to know the size of
1810                  * their directory records
1811                  */
1812                 node->fileSectorsUsed = 1;
1813                 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1814                         node->fileDataLength +=
1815                             cd9660_compute_record_size(diskStructure, child);
1816                         if ((cd9660_compute_record_size(diskStructure, child) +
1817                             current_sector_usage) >=
1818                             diskStructure->sectorSize) {
1819                                 current_sector_usage = 0;
1820                                 node->fileSectorsUsed++;
1821                         }
1822
1823                         current_sector_usage +=
1824                             cd9660_compute_record_size(diskStructure, child);
1825                 }
1826
1827                 cd9660_bothendian_dword(node->fileSectorsUsed *
1828                         diskStructure->sectorSize,node->isoDirRecord->size);
1829
1830                 /*
1831                  * This should point to the sector after the directory
1832                  * record (or, the first byte in that sector)
1833                  */
1834                 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1835
1836                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1837                      child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1838                         /* Directories need recursive call */
1839                         if (S_ISDIR(child->node->type)) {
1840                                 r = cd9660_compute_offsets(diskStructure, child,
1841                                     used_bytes + startOffset);
1842
1843                                 if (r != -1)
1844                                         used_bytes += r;
1845                                 else
1846                                         return -1;
1847                         }
1848                 }
1849
1850                 /* Explicitly set the . and .. records */
1851                 cd9660_populate_dot_records(diskStructure, node);
1852
1853                 /* Finally, do another iteration to write the file data*/
1854                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1855                      child != NULL;
1856                      child = TAILQ_NEXT(child, cn_next_child)) {
1857                         /* Files need extent set */
1858                         if (S_ISDIR(child->node->type))
1859                                 continue;
1860                         child->fileRecordSize =
1861                             cd9660_compute_record_size(diskStructure, child);
1862
1863                         child->fileSectorsUsed =
1864                             CD9660_BLOCKS(diskStructure->sectorSize,
1865                                 child->fileDataLength);
1866
1867                         inode = child->node->inode;
1868                         if ((inode->flags & FI_ALLOCATED) == 0) {
1869                                 inode->ino =
1870                                     CD9660_BLOCKS(diskStructure->sectorSize,
1871                                         used_bytes + startOffset);
1872                                 inode->flags |= FI_ALLOCATED;
1873                                 used_bytes += child->fileSectorsUsed *
1874                                     diskStructure->sectorSize;
1875                         } else {
1876                                 INODE_WARNX(("%s: already allocated inode %d "
1877                                       "data sectors at %" PRIu32, __func__,
1878                                       (int)inode->st.st_ino, inode->ino));
1879                         }
1880                         child->fileDataSector = inode->ino;
1881                         cd9660_bothendian_dword(child->fileDataSector,
1882                                 child->isoDirRecord->extent);
1883                 }
1884         }
1885
1886         return used_bytes;
1887 }
1888
1889 #if 0
1890 /* Might get rid of this func */
1891 static int
1892 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1893 {
1894         to->node->inode->st.st_dev = 0;
1895         to->node->inode->st.st_ino = 0;
1896         to->node->inode->st.st_size = 0;
1897         to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1898         to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1899         to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1900         to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1901         to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1902         to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1903         to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1904         /* Clear out type */
1905         to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1906         if (file)
1907                 to->node->inode->st.st_mode |= S_IFREG;
1908         else
1909                 to->node->inode->st.st_mode |= S_IFDIR;
1910         return 1;
1911 }
1912 #endif
1913
1914 static cd9660node *
1915 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1916     cd9660node *parent, int file, int insert)
1917 {
1918         cd9660node *temp;
1919         fsnode * tfsnode;
1920
1921         assert(parent != NULL);
1922
1923         temp = cd9660_allocate_cd9660node();
1924         if (temp == NULL)
1925                 return NULL;
1926
1927         tfsnode = emalloc(sizeof(*tfsnode));
1928         tfsnode->name = estrdup(name);
1929         temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1930
1931         cd9660_convert_filename(diskStructure, tfsnode->name,
1932             temp->isoDirRecord->name, file);
1933
1934         temp->node = tfsnode;
1935         temp->parent = parent;
1936
1937         if (insert) {
1938                 if (temp->parent != NULL) {
1939                         temp->level = temp->parent->level + 1;
1940                         if (!TAILQ_EMPTY(&temp->parent->cn_children))
1941                                 cd9660_sorted_child_insert(temp->parent, temp);
1942                         else
1943                                 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1944                                     temp, cn_next_child);
1945                 }
1946         }
1947
1948         if (parent->node != NULL) {
1949                 tfsnode->type = parent->node->type;
1950         }
1951
1952         /* Clear out file type bits */
1953         tfsnode->type &= ~(S_IFMT);
1954         if (file)
1955                 tfsnode->type |= S_IFREG;
1956         else
1957                 tfsnode->type |= S_IFDIR;
1958
1959         /* Indicate that there is no spec entry (inode) */
1960         tfsnode->flags &= ~(FSNODE_F_HASSPEC);
1961 #if 0
1962         cd9660_copy_stat_info(parent, temp, file);
1963 #endif
1964         return temp;
1965 }
1966
1967 static cd9660node *
1968 cd9660_create_file(iso9660_disk *diskStructure, const char *name,
1969     cd9660node *parent, cd9660node *me)
1970 {
1971         cd9660node *temp;
1972
1973         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
1974         if (temp == NULL)
1975                 return NULL;
1976
1977         temp->fileDataLength = 0;
1978
1979         temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
1980
1981         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
1982         *temp->node->inode = *me->node->inode;
1983
1984         if (cd9660_translate_node_common(diskStructure, temp) == 0)
1985                 return NULL;
1986         return temp;
1987 }
1988
1989 /*
1990  * Create a new directory which does not exist on disk
1991  * @param const char * name The name to assign to the directory
1992  * @param const char * parent Pointer to the parent directory
1993  * @returns cd9660node * Pointer to the new directory
1994  */
1995 static cd9660node *
1996 cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
1997     cd9660node *parent, cd9660node *me)
1998 {
1999         cd9660node *temp;
2000
2001         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2002         if (temp == NULL)
2003                 return NULL;
2004         temp->node->type |= S_IFDIR;
2005
2006         temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2007
2008         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2009         *temp->node->inode = *me->node->inode;
2010
2011         if (cd9660_translate_node_common(diskStructure, temp) == 0)
2012                 return NULL;
2013         return temp;
2014 }
2015
2016 static cd9660node *
2017 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2018     cd9660node *parent)
2019 {
2020         cd9660node *temp, *first;
2021         char na[2];
2022
2023         assert(parent != NULL);
2024
2025         if (type == CD9660_TYPE_DOT)
2026                 na[0] = 0;
2027         else if (type == CD9660_TYPE_DOTDOT)
2028                 na[0] = 1;
2029         else
2030                 return 0;
2031
2032         na[1] = 0;
2033         if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2034             0, 0)) == NULL)
2035                 return NULL;
2036
2037         temp->parent = parent;
2038         temp->type = type;
2039         temp->isoDirRecord->length[0] = 34;
2040         /* Dot record is always first */
2041         if (type == CD9660_TYPE_DOT) {
2042                 parent->dot_record = temp;
2043                 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2044         /* DotDot should be second */
2045         } else if (type == CD9660_TYPE_DOTDOT) {
2046                 parent->dot_dot_record = temp;
2047                 /*
2048                  * If the first child is the dot record, insert
2049                  * this second.  Otherwise, insert it at the head.
2050                  */
2051                 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2052                     (first->type & CD9660_TYPE_DOT) == 0) {
2053                         TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2054                             cn_next_child);
2055                 } else {
2056                         TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2057                             cn_next_child);
2058                 }
2059         }
2060
2061         return temp;
2062 }
2063
2064 static int
2065 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2066 {
2067         struct stat stbuf;
2068
2069         assert(bootimage != NULL);
2070
2071         if (*bootimage == '\0') {
2072                 warnx("Error: Boot image must be a filename");
2073                 return 0;
2074         }
2075
2076         diskStructure->generic_bootimage = estrdup(bootimage);
2077
2078         /* Get information about the file */
2079         if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2080                 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2081                     diskStructure->generic_bootimage);
2082
2083         if (stbuf.st_size > 32768) {
2084                 warnx("Error: Boot image must be no greater than 32768 bytes");
2085                 return 0;
2086         }
2087
2088         if (diskStructure->verbose_level > 0) {
2089                 printf("Generic boot image has size %lld\n",
2090                     (long long)stbuf.st_size);
2091         }
2092
2093         diskStructure->has_generic_bootimage = 1;
2094
2095         return 1;
2096 }