usr.sbin/makefs/cd9660.c

   1 /*      $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos 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 #include <sys/cdefs.h>
  99 __FBSDID("$FreeBSD$");
 100
 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 *, int,
 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 #if 0
 149 static int cd9660_joliet_convert_filename(iso9660_disk *, const char *, char *,
 150     int);
 151 #endif
 152 static int cd9660_convert_filename(iso9660_disk *, const char *, char *, int);
 153 static void cd9660_populate_dot_records(iso9660_disk *, cd9660node *);
 154 static int64_t cd9660_compute_offsets(iso9660_disk *, cd9660node *, int64_t);
 155 #if 0
 156 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
 157 #endif
 158 static cd9660node *cd9660_create_virtual_entry(iso9660_disk *, const char *,
 159     cd9660node *, int, int);
 160 static cd9660node *cd9660_create_file(iso9660_disk *, const char *,
 161     cd9660node *, cd9660node *);
 162 static cd9660node *cd9660_create_directory(iso9660_disk *, const char *,
 163     cd9660node *, cd9660node *);
 164 static cd9660node *cd9660_create_special_directory(iso9660_disk *, u_char,
 165     cd9660node *);
 166 static int  cd9660_add_generic_bootimage(iso9660_disk *, const char *);
 167
 168
 169 /*
 170  * Allocate and initialize a cd9660node
 171  * @returns struct cd9660node * Pointer to new node, or NULL on error
 172  */
 173 static cd9660node *
 174 cd9660_allocate_cd9660node(void)
 175 {
 176         cd9660node *temp = ecalloc(1, sizeof(*temp));
 177
 178         TAILQ_INIT(&temp->cn_children);
 179         temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
 180         temp->ptnext = temp->ptprev = temp->ptlast = NULL;
 181         temp->node = NULL;
 182         temp->isoDirRecord = NULL;
 183         temp->isoExtAttributes = NULL;
 184         temp->rr_real_parent = temp->rr_relocated = NULL;
 185         temp->su_tail_data = NULL;
 186         return temp;
 187 }
 188
 189 /**
 190 * Set default values for cd9660 extension to makefs
 191 */
 192 static void
 193 cd9660_set_defaults(iso9660_disk *diskStructure)
 194 {
 195         /*Fix the sector size for now, though the spec allows for other sizes*/
 196         diskStructure->sectorSize = 2048;
 197
 198         /* Set up defaults in our own structure */
 199         diskStructure->verbose_level = 0;
 200         diskStructure->keep_bad_images = 0;
 201         diskStructure->follow_sym_links = 0;
 202         diskStructure->isoLevel = 2;
 203
 204         diskStructure->rock_ridge_enabled = 0;
 205         diskStructure->rock_ridge_renamed_dir_name = 0;
 206         diskStructure->rock_ridge_move_count = 0;
 207         diskStructure->rr_moved_dir = 0;
 208
 209         diskStructure->archimedes_enabled = 0;
 210         diskStructure->chrp_boot = 0;
 211
 212         diskStructure->include_padding_areas = 1;
 213
 214         /* Spec breaking functionality */
 215         diskStructure->allow_deep_trees =
 216             diskStructure->allow_start_dot =
 217             diskStructure->allow_max_name =
 218             diskStructure->allow_illegal_chars =
 219             diskStructure->allow_lowercase =
 220             diskStructure->allow_multidot =
 221             diskStructure->omit_trailing_period = 0;
 222
 223         /* Make sure the PVD is clear */
 224         memset(&diskStructure->primaryDescriptor, 0, 2048);
 225
 226         memset(diskStructure->primaryDescriptor.publisher_id,   0x20,128);
 227         memset(diskStructure->primaryDescriptor.preparer_id,    0x20,128);
 228         memset(diskStructure->primaryDescriptor.application_id, 0x20,128);
 229         memset(diskStructure->primaryDescriptor.copyright_file_id, 0x20,37);
 230         memset(diskStructure->primaryDescriptor.abstract_file_id, 0x20,37);
 231         memset(diskStructure->primaryDescriptor.bibliographic_file_id, 0x20,37);
 232
 233         strcpy(diskStructure->primaryDescriptor.system_id, "FreeBSD");
 234
 235         /* Boot support: Initially disabled */
 236         diskStructure->has_generic_bootimage = 0;
 237         diskStructure->generic_bootimage = NULL;
 238
 239         diskStructure->boot_image_directory = 0;
 240         /*memset(diskStructure->boot_descriptor, 0, 2048);*/
 241
 242         diskStructure->is_bootable = 0;
 243         TAILQ_INIT(&diskStructure->boot_images);
 244         LIST_INIT(&diskStructure->boot_entries);
 245 }
 246
 247 void
 248 cd9660_prep_opts(fsinfo_t *fsopts)
 249 {
 250         iso9660_disk *diskStructure = ecalloc(1, sizeof(*diskStructure));
 251
 252 #define OPT_STR(letter, name, desc) \
 253         { letter, name, NULL, OPT_STRBUF, 0, 0, desc }
 254
 255 #define OPT_NUM(letter, name, field, min, max, desc) \
 256         { letter, name, &diskStructure->field, \
 257           sizeof(diskStructure->field) == 8 ? OPT_INT64 : \
 258           (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \
 259           (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \
 260           min, max, desc }
 261
 262 #define OPT_BOOL(letter, name, field, desc) \
 263         OPT_NUM(letter, name, field, 0, 1, desc)
 264
 265         const option_t cd9660_options[] = {
 266                 OPT_NUM('l', "isolevel", isoLevel,
 267                     1, 2, "ISO Level"),
 268                 OPT_NUM('v', "verbose", verbose_level,
 269                     0, 2, "Turns on verbose output"),
 270
 271                 OPT_BOOL('h', "help", displayHelp,
 272                     "Show help message"),
 273                 OPT_BOOL('S', "follow-symlinks", follow_sym_links,
 274                     "Resolve symlinks in pathnames"),
 275                 OPT_BOOL('R', "rockridge", rock_ridge_enabled,
 276                     "Enable Rock-Ridge extensions"),
 277                 OPT_BOOL('C', "chrp-boot", chrp_boot,
 278                     "Enable CHRP boot"),
 279                 OPT_BOOL('K', "keep-bad-images", keep_bad_images,
 280                     "Keep bad images"),
 281                 OPT_BOOL('D', "allow-deep-trees", allow_deep_trees,
 282                     "Allow trees more than 8 levels"),
 283                 OPT_BOOL('a', "allow-max-name", allow_max_name,
 284                     "Allow 37 char filenames (unimplemented)"),
 285                 OPT_BOOL('i', "allow-illegal-chars", allow_illegal_chars,
 286                     "Allow illegal characters in filenames"),
 287                 OPT_BOOL('m', "allow-multidot", allow_multidot,
 288                     "Allow multiple periods in filenames"),
 289                 OPT_BOOL('o', "omit-trailing-period", omit_trailing_period,
 290                     "Omit trailing periods in filenames"),
 291                 OPT_BOOL('\0', "allow-lowercase", allow_lowercase,
 292                     "Allow lowercase characters in filenames"),
 293                 OPT_BOOL('\0', "archimedes", archimedes_enabled,
 294                     "Enable Archimedes structure"),
 295                 OPT_BOOL('\0', "no-trailing-padding", include_padding_areas,
 296                     "Include padding areas"),
 297
 298                 OPT_STR('A', "applicationid", "Application Identifier"),
 299                 OPT_STR('P', "publisher", "Publisher Identifier"),
 300                 OPT_STR('p', "preparer", "Preparer Identifier"),
 301                 OPT_STR('L', "label", "Disk Label"),
 302                 OPT_STR('V', "volumeid", "Volume Set Identifier"),
 303                 OPT_STR('B', "bootimage", "Boot image parameter"),
 304                 OPT_STR('G', "generic-bootimage", "Generic boot image param"),
 305                 OPT_STR('\0', "bootimagedir", "Boot image directory"),
 306                 OPT_STR('\0', "no-emul-boot", "No boot emulation"),
 307                 OPT_STR('\0', "no-boot", "No boot support"),
 308                 OPT_STR('\0', "hard-disk-boot", "Boot from hard disk"),
 309                 OPT_STR('\0', "boot-load-segment", "Boot load segment"),
 310
 311                 { .name = NULL }
 312         };
 313
 314         fsopts->fs_specific = diskStructure;
 315         fsopts->fs_options = copy_opts(cd9660_options);
 316
 317         cd9660_set_defaults(diskStructure);
 318 }
 319
 320 void
 321 cd9660_cleanup_opts(fsinfo_t *fsopts)
 322 {
 323         free(fsopts->fs_specific);
 324         free(fsopts->fs_options);
 325 }
 326
 327 static int
 328 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
 329                             char testmode, char * dest)
 330 {
 331         int len, test;
 332
 333         if (val == NULL)
 334                 warnx("error: The %s requires a string argument", fieldtitle);
 335         else if ((len = strlen(val)) <= length) {
 336                 if (testmode == 'd')
 337                         test = cd9660_valid_d_chars(val);
 338                 else
 339                         test = cd9660_valid_a_chars(val);
 340                 if (test) {
 341                         memcpy(dest, val, len);
 342                         if (test == 2)
 343                                 cd9660_uppercase_characters(dest, len);
 344                         return 1;
 345                 } else
 346                         warnx("error: The %s must be composed of "
 347                               "%c-characters", fieldtitle, testmode);
 348         } else
 349                 warnx("error: The %s must be at most 32 characters long",
 350                     fieldtitle);
 351         return 0;
 352 }
 353
 354 /*
 355  * Command-line parsing function
 356  */
 357
 358 int
 359 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
 360 {
 361         int     rv, i;
 362         iso9660_disk *diskStructure = fsopts->fs_specific;
 363         option_t *cd9660_options = fsopts->fs_options;
 364         char buf[1024];
 365         const char *name, *desc;
 366
 367         assert(option != NULL);
 368
 369         if (debug & DEBUG_FS_PARSE_OPTS)
 370                 printf("%s: got `%s'\n", __func__, option);
 371
 372         i = set_option(cd9660_options, option, buf, sizeof(buf));
 373         if (i == -1)
 374                 return 0;
 375
 376         if (cd9660_options[i].name == NULL)
 377                 abort();
 378
 379         name = cd9660_options[i].name;
 380         desc = cd9660_options[i].desc;
 381         switch (cd9660_options[i].letter) {
 382         case 'h':
 383         case 'S':
 384                 rv = 0; /* this is not handled yet */
 385                 break;
 386         case 'L':
 387                 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
 388                     diskStructure->primaryDescriptor.volume_id);
 389                 break;
 390         case 'A':
 391                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 392                     diskStructure->primaryDescriptor.application_id);
 393                 break;
 394         case 'P':
 395                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 396                     diskStructure->primaryDescriptor.publisher_id);
 397                 break;
 398         case 'p':
 399                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 400                     diskStructure->primaryDescriptor.preparer_id);
 401                 break;
 402         case 'V':
 403                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 404                     diskStructure->primaryDescriptor.volume_set_id);
 405                 break;
 406         /* Boot options */
 407         case 'B':
 408                 if (buf[0] == '\0') {
 409                         warnx("The Boot Image parameter requires a valid boot"
 410                             "information string");
 411                         rv = 0;
 412                 } else
 413                         rv = cd9660_add_boot_disk(diskStructure, buf);
 414                 break;
 415         case 'G':
 416                 if (buf[0] == '\0') {
 417                         warnx("The Generic Boot Image parameter requires a"
 418                             " valid boot information string");
 419                         rv = 0;
 420                 } else
 421                         rv = cd9660_add_generic_bootimage(diskStructure, buf);
 422                 break;
 423         default:
 424                 if (strcmp(name, "bootimagedir") == 0) {
 425                         /*
 426                          * XXXfvdl this is unused.
 427                          */
 428                         if (buf[0] == '\0') {
 429                                 warnx("The Boot Image Directory parameter"
 430                                     " requires a directory name");
 431                                 rv = 0;
 432                         } else {
 433                                 diskStructure->boot_image_directory =
 434                                     emalloc(strlen(buf) + 1);
 435                                 /* BIG TODO: Add the max length function here */
 436                                 rv = cd9660_arguments_set_string(buf, desc, 12,
 437                                     'd', diskStructure->boot_image_directory);
 438                         }
 439                 } else if (strcmp(name, "no-emul-boot") == 0 ||
 440                     strcmp(name, "no-boot") == 0 ||
 441                     strcmp(name, "hard-disk-boot") == 0) {
 442                         /* RRIP */
 443                         cd9660_eltorito_add_boot_option(diskStructure, name, 0);
 444                         rv = 1;
 445                 } else if (strcmp(name, "boot-load-segment") == 0) {
 446                         if (buf[0] == '\0') {
 447                                 warnx("Option `%s' doesn't contain a value",
 448                                     name);
 449                                 rv = 0;
 450                         } else {
 451                                 cd9660_eltorito_add_boot_option(diskStructure,
 452                                     name, buf);
 453                                 rv = 1;
 454                         }
 455                 } else
 456                         rv = 1;
 457         }
 458         return rv;
 459 }
 460
 461 /*
 462  * Main function for cd9660_makefs
 463  * Builds the ISO image file
 464  * @param const char *image The image filename to create
 465  * @param const char *dir The directory that is being read
 466  * @param struct fsnode *root The root node of the filesystem tree
 467  * @param struct fsinfo_t *fsopts Any options
 468  */
 469 void
 470 cd9660_makefs(const char *image, const char *dir, fsnode *root,
 471     fsinfo_t *fsopts)
 472 {
 473         int64_t startoffset;
 474         int numDirectories;
 475         uint64_t pathTableSectors;
 476         int64_t firstAvailableSector;
 477         int64_t totalSpace;
 478         int error;
 479         cd9660node *real_root;
 480         iso9660_disk *diskStructure = fsopts->fs_specific;
 481
 482         if (diskStructure->verbose_level > 0)
 483                 printf("%s: ISO level is %i\n", __func__,
 484                     diskStructure->isoLevel);
 485         if (diskStructure->isoLevel < 2 &&
 486             diskStructure->allow_multidot)
 487                 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
 488
 489         assert(image != NULL);
 490         assert(dir != NULL);
 491         assert(root != NULL);
 492
 493         if (diskStructure->displayHelp) {
 494                 /*
 495                  * Display help here - probably want to put it in
 496                  * a separate function
 497                  */
 498                 return;
 499         }
 500
 501         if (diskStructure->verbose_level > 0)
 502                 printf("%s: image %s directory %s root %p\n", __func__,
 503                     image, dir, root);
 504
 505         /* Set up some constants. Later, these will be defined with options */
 506
 507         /* Counter needed for path tables */
 508         numDirectories = 0;
 509
 510         /* Convert tree to our own format */
 511         /* Actually, we now need to add the REAL root node, at level 0 */
 512
 513         real_root = cd9660_allocate_cd9660node();
 514         real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
 515         /* Leave filename blank for root */
 516         memset(real_root->isoDirRecord->name, 0,
 517             ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 518
 519         real_root->level = 0;
 520         diskStructure->rootNode = real_root;
 521         real_root->type = CD9660_TYPE_DIR;
 522         error = 0;
 523         real_root->node = root;
 524         cd9660_convert_structure(diskStructure, root, real_root, 1,
 525             &numDirectories, &error);
 526
 527         if (TAILQ_EMPTY(&real_root->cn_children)) {
 528                 errx(EXIT_FAILURE, "%s: converted directory is empty. "
 529                     "Tree conversion failed", __func__);
 530         } else if (error != 0) {
 531                 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
 532         } else {
 533                 if (diskStructure->verbose_level > 0)
 534                         printf("%s: tree converted\n", __func__);
 535         }
 536
 537         /* Add the dot and dot dot records */
 538         cd9660_add_dot_records(diskStructure, real_root);
 539
 540         cd9660_setup_root_node(diskStructure);
 541
 542         if (diskStructure->verbose_level > 0)
 543                 printf("%s: done converting tree\n", __func__);
 544
 545         /* non-SUSP extensions */
 546         if (diskStructure->archimedes_enabled)
 547                 archimedes_convert_tree(diskStructure->rootNode);
 548
 549         /* Rock ridge / SUSP init pass */
 550         if (diskStructure->rock_ridge_enabled) {
 551                 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
 552                     diskStructure->rootNode, NULL);
 553         }
 554
 555         /* Build path table structure */
 556         diskStructure->pathTableLength = cd9660_generate_path_table(
 557             diskStructure);
 558
 559         pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
 560                 diskStructure->pathTableLength);
 561
 562         firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
 563         if (diskStructure->is_bootable) {
 564                 firstAvailableSector = cd9660_setup_boot(diskStructure,
 565                     firstAvailableSector);
 566                 if (firstAvailableSector < 0)
 567                         errx(EXIT_FAILURE, "setup_boot failed");
 568         }
 569         /* LE first, then BE */
 570         diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
 571         diskStructure->primaryBigEndianTableSector =
 572                 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
 573
 574         /* Set the secondary ones to -1, not going to use them for now */
 575         diskStructure->secondaryBigEndianTableSector = -1;
 576         diskStructure->secondaryLittleEndianTableSector = -1;
 577
 578         diskStructure->dataFirstSector =
 579             diskStructure->primaryBigEndianTableSector + pathTableSectors;
 580         if (diskStructure->verbose_level > 0)
 581                 printf("%s: Path table conversion complete. "
 582                     "Each table is %i bytes, or %" PRIu64 " sectors.\n",
 583                     __func__,
 584                     diskStructure->pathTableLength, pathTableSectors);
 585
 586         startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
 587
 588         totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
 589
 590         diskStructure->totalSectors = diskStructure->dataFirstSector +
 591                 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
 592
 593         /* Disabled until pass 1 is done */
 594         if (diskStructure->rock_ridge_enabled) {
 595                 diskStructure->susp_continuation_area_start_sector =
 596                     diskStructure->totalSectors;
 597                 diskStructure->totalSectors +=
 598                     CD9660_BLOCKS(diskStructure->sectorSize,
 599                         diskStructure->susp_continuation_area_size);
 600                 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
 601         }
 602
 603
 604         cd9660_finalize_PVD(diskStructure);
 605
 606         /* Add padding sectors, just for testing purposes right now */
 607         /* diskStructure->totalSectors+=150; */
 608
 609         /* Debugging output */
 610         if (diskStructure->verbose_level > 0) {
 611                 printf("%s: Sectors 0-15 reserved\n", __func__);
 612                 printf("%s: Primary path tables starts in sector %"
 613                     PRId64 "\n", __func__,
 614                     diskStructure->primaryLittleEndianTableSector);
 615                 printf("%s: File data starts in sector %"
 616                     PRId64 "\n", __func__, diskStructure->dataFirstSector);
 617                 printf("%s: Total sectors: %"
 618                     PRId64 "\n", __func__, diskStructure->totalSectors);
 619         }
 620
 621         /*
 622          * Add padding sectors at the end
 623          * TODO: Clean this up and separate padding
 624          */
 625         if (diskStructure->include_padding_areas)
 626                 diskStructure->totalSectors += 150;
 627
 628         cd9660_write_image(diskStructure, image);
 629
 630         if (diskStructure->verbose_level > 1) {
 631                 debug_print_volume_descriptor_information(diskStructure);
 632                 debug_print_tree(diskStructure, real_root, 0);
 633                 debug_print_path_tree(real_root);
 634         }
 635
 636         /* Clean up data structures */
 637         cd9660_free_structure(real_root);
 638
 639         if (diskStructure->verbose_level > 0)
 640                 printf("%s: done\n", __func__);
 641 }
 642
 643 /* Generic function pointer - implement later */
 644 typedef int (*cd9660node_func)(cd9660node *);
 645
 646 static void
 647 cd9660_finalize_PVD(iso9660_disk *diskStructure)
 648 {
 649         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 650
 651         /* root should be a fixed size of 34 bytes since it has no name */
 652         memcpy(diskStructure->primaryDescriptor.root_directory_record,
 653                 diskStructure->rootNode->dot_record->isoDirRecord, 34);
 654
 655         /* In RRIP, this might be longer than 34 */
 656         diskStructure->primaryDescriptor.root_directory_record[0] = 34;
 657
 658         /* Set up all the important numbers in the PVD */
 659         cd9660_bothendian_dword(diskStructure->totalSectors,
 660             (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
 661         cd9660_bothendian_word(1,
 662             (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
 663         cd9660_bothendian_word(1,
 664             (unsigned char *)
 665                 diskStructure->primaryDescriptor.volume_sequence_number);
 666         cd9660_bothendian_word(diskStructure->sectorSize,
 667             (unsigned char *)
 668                 diskStructure->primaryDescriptor.logical_block_size);
 669         cd9660_bothendian_dword(diskStructure->pathTableLength,
 670             (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
 671
 672         cd9660_731(diskStructure->primaryLittleEndianTableSector,
 673                 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
 674         cd9660_732(diskStructure->primaryBigEndianTableSector,
 675                 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
 676
 677         diskStructure->primaryDescriptor.file_structure_version[0] = 1;
 678
 679         /* Pad all strings with spaces instead of nulls */
 680         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
 681         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
 682         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
 683             128);
 684         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
 685             128);
 686         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
 687             128);
 688         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
 689             128);
 690         cd9660_pad_string_spaces(
 691             diskStructure->primaryDescriptor.copyright_file_id, 37);
 692         cd9660_pad_string_spaces(
 693                 diskStructure->primaryDescriptor.abstract_file_id, 37);
 694         cd9660_pad_string_spaces(
 695                 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
 696
 697         /* Setup dates */
 698         cd9660_time_8426(
 699             (unsigned char *)diskStructure->primaryDescriptor.creation_date,
 700             tstamp);
 701         cd9660_time_8426(
 702             (unsigned char *)diskStructure->primaryDescriptor.modification_date,
 703             tstamp);
 704
 705 #if 0
 706         cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
 707             tstamp);
 708 #endif
 709
 710         memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
 711         diskStructure->primaryDescriptor.expiration_date[16] = 0;
 712
 713         cd9660_time_8426(
 714             (unsigned char *)diskStructure->primaryDescriptor.effective_date,
 715             tstamp);
 716         /* make this sane */
 717         cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
 718             tstamp);
 719 }
 720
 721 static void
 722 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
 723                                u_char ext_attr_length, u_char flags,
 724                                u_char name_len, const char * name)
 725 {
 726         record->ext_attr_length[0] = ext_attr_length;
 727         record->flags[0] = ISO_FLAG_CLEAR | flags;
 728         record->file_unit_size[0] = 0;
 729         record->interleave[0] = 0;
 730         cd9660_bothendian_word(1, record->volume_sequence_number);
 731         record->name_len[0] = name_len;
 732         memset(record->name, '\0', sizeof (record->name));
 733         memcpy(record->name, name, name_len);
 734         record->length[0] = 33 + name_len;
 735
 736         /* Todo : better rounding */
 737         record->length[0] += (record->length[0] & 1) ? 1 : 0;
 738 }
 739
 740 static void
 741 cd9660_setup_root_node(iso9660_disk *diskStructure)
 742 {
 743         cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
 744             0, ISO_FLAG_DIRECTORY, 1, "\0");
 745
 746 }
 747
 748 /*********** SUPPORT FUNCTIONS ***********/
 749 static int
 750 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
 751 {
 752         /* Boot volume descriptor should come second */
 753         int sector = 16;
 754         /* For now, a fixed 2 : PVD and terminator */
 755         volume_descriptor *temp, *t;
 756
 757         /* Set up the PVD */
 758         temp = emalloc(sizeof(*temp));
 759         temp->volumeDescriptorData =
 760            (unsigned char *)&diskStructure->primaryDescriptor;
 761         temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
 762         temp->volumeDescriptorData[6] = 1;
 763         temp->sector = sector;
 764         memcpy(temp->volumeDescriptorData + 1,
 765             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 766         diskStructure->firstVolumeDescriptor = temp;
 767
 768         sector++;
 769         /* Set up boot support if enabled. BVD must reside in sector 17 */
 770         if (diskStructure->is_bootable) {
 771                 t = emalloc(sizeof(*t));
 772                 t->volumeDescriptorData = ecalloc(1, 2048);
 773                 temp->next = t;
 774                 temp = t;
 775                 t->sector = 17;
 776                 if (diskStructure->verbose_level > 0)
 777                         printf("Setting up boot volume descriptor\n");
 778                 cd9660_setup_boot_volume_descriptor(diskStructure, t);
 779                 sector++;
 780         }
 781
 782         /* Set up the terminator */
 783         t = emalloc(sizeof(*t));
 784         t->volumeDescriptorData = ecalloc(1, 2048);
 785         temp->next = t;
 786         t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
 787         t->next = NULL;
 788         t->volumeDescriptorData[6] = 1;
 789         t->sector = sector;
 790         memcpy(t->volumeDescriptorData + 1,
 791             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 792
 793         sector++;
 794         return sector;
 795 }
 796
 797 #if 0
 798 /*
 799  * Populate EAR at some point. Not required, but is used by NetBSD's
 800  * cd9660 support
 801  */
 802 static int
 803 cd9660_fill_extended_attribute_record(cd9660node *node)
 804 {
 805         node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
 806         return 1;
 807 }
 808 #endif
 809
 810 static int
 811 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
 812 {
 813         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 814         u_char flag;
 815         char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
 816
 817         /* Now populate the isoDirRecord structure */
 818         memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 819
 820         (void)cd9660_convert_filename(diskStructure, newnode->node->name,
 821             temp, !(S_ISDIR(newnode->node->type)));
 822
 823         flag = ISO_FLAG_CLEAR;
 824         if (S_ISDIR(newnode->node->type))
 825                 flag |= ISO_FLAG_DIRECTORY;
 826
 827         cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
 828             flag, strlen(temp), temp);
 829
 830         /* Set the various dates */
 831
 832         /* If we want to use the current date and time */
 833
 834         cd9660_time_915(newnode->isoDirRecord->date, tstamp);
 835
 836         cd9660_bothendian_dword(newnode->fileDataLength,
 837             newnode->isoDirRecord->size);
 838         /* If the file is a link, we want to set the size to 0 */
 839         if (S_ISLNK(newnode->node->type))
 840                 newnode->fileDataLength = 0;
 841
 842         return 1;
 843 }
 844
 845 /*
 846  * Translate fsnode to cd9660node
 847  * Translate filenames and other metadata, including dates, sizes,
 848  * permissions, etc
 849  * @param struct fsnode * The node generated by makefs
 850  * @param struct cd9660node * The intermediate node to be written to
 851  * @returns int 0 on failure, 1 on success
 852  */
 853 static int
 854 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
 855     cd9660node *newnode)
 856 {
 857         if (node == NULL) {
 858                 if (diskStructure->verbose_level > 0)
 859                         printf("%s: NULL node passed, returning\n", __func__);
 860                 return 0;
 861         }
 862         newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
 863         /* Set the node pointer */
 864         newnode->node = node;
 865
 866         /* Set the size */
 867         if (!(S_ISDIR(node->type)))
 868                 newnode->fileDataLength = node->inode->st.st_size;
 869
 870         if (cd9660_translate_node_common(diskStructure, newnode) == 0)
 871                 return 0;
 872
 873         /* Finally, overwrite some of the values that are set by default */
 874         cd9660_time_915(newnode->isoDirRecord->date,
 875             stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
 876
 877         return 1;
 878 }
 879
 880 /*
 881  * Compares two ISO filenames
 882  * @param const char * The first file name
 883  * @param const char * The second file name
 884  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
 885  *      the second is greater than the first
 886  */
 887 static int
 888 cd9660_compare_filename(const char *first, const char *second)
 889 {
 890         /*
 891          * This can be made more optimal once it has been tested
 892          * (the extra character, for example, is for testing)
 893          */
 894
 895         int p1 = 0;
 896         int p2 = 0;
 897         char c1, c2;
 898         /* First, on the filename */
 899
 900         while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
 901                 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
 902                 c1 = first[p1];
 903                 c2 = second[p2];
 904                 if (c1 == '.' && c2 =='.')
 905                         break;
 906                 else if (c1 == '.') {
 907                         p2++;
 908                         c1 = ' ';
 909                 } else if (c2 == '.') {
 910                         p1++;
 911                         c2 = ' ';
 912                 } else {
 913                         p1++;
 914                         p2++;
 915                 }
 916
 917                 if (c1 < c2)
 918                         return -1;
 919                 else if (c1 > c2) {
 920                         return 1;
 921                 }
 922         }
 923
 924         if (first[p1] == '.' && second[p2] == '.') {
 925                 p1++;
 926                 p2++;
 927                 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
 928                         && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
 929                         c1 = first[p1];
 930                         c2 = second[p2];
 931                         if (c1 == ';' && c2 == ';')
 932                                 break;
 933                         else if (c1 == ';') {
 934                                 p2++;
 935                                 c1 = ' ';
 936                         } else if (c2 == ';') {
 937                                 p1++;
 938                                 c2 = ' ';
 939                         } else {
 940                                 p1++;
 941                                 p2++;
 942                         }
 943
 944                         if (c1 < c2)
 945                                 return -1;
 946                         else if (c1 > c2)
 947                                 return 1;
 948                 }
 949         }
 950         return 0;
 951 }
 952
 953 /*
 954  * Insert a node into list with ISO sorting rules
 955  * @param cd9660node * The head node of the list
 956  * @param cd9660node * The node to be inserted
 957  */
 958 static void
 959 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
 960 {
 961         int compare;
 962         cd9660node *cn;
 963         struct cd9660_children_head *head = &parent->cn_children;
 964
 965         /* TODO: Optimize? */
 966         cn_new->parent = parent;
 967
 968         /*
 969          * first will either be 0, the . or the ..
 970          * if . or .., this means no other entry may be written before first
 971          * if 0, the new node may be inserted at the head
 972          */
 973
 974         TAILQ_FOREACH(cn, head, cn_next_child) {
 975                 /*
 976                  * Dont insert a node twice -
 977                  * that would cause an infinite loop
 978                  */
 979                 if (cn_new == cn)
 980                         return;
 981
 982                 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
 983                         cn->isoDirRecord->name);
 984
 985                 if (compare == 0)
 986                         compare = cd9660_compare_filename(cn_new->node->name,
 987                                 cn->node->name);
 988
 989                 if (compare < 0)
 990                         break;
 991         }
 992         if (cn == NULL)
 993                 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
 994         else
 995                 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
 996 }
 997
 998 /*
 999  * Called After cd9660_sorted_child_insert
1000  * handles file collisions by suffixing each filname with ~n
1001  * where n represents the files respective place in the ordering
1002  */
1003 static int
1004 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
1005     int past)
1006 {
1007         cd9660node *iter, *next, *prev;
1008         int skip;
1009         int delete_chars = 0;
1010         int temp_past = past;
1011         int temp_skip;
1012         int flag = 0;
1013         cd9660node *end_of_range;
1014
1015         for (iter = TAILQ_FIRST(&colliding->cn_children);
1016              iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1017                 if (strcmp(iter->isoDirRecord->name,
1018                            next->isoDirRecord->name) != 0) {
1019                         iter = TAILQ_NEXT(iter, cn_next_child);
1020                         continue;
1021                 }
1022                 flag = 1;
1023                 temp_skip = skip = cd9660_count_collisions(iter);
1024                 end_of_range = iter;
1025                 while (temp_skip > 0) {
1026                         temp_skip--;
1027                         end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1028                 }
1029                 temp_past = past;
1030                 while (temp_past > 0) {
1031                         if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1032                                 end_of_range = next;
1033                         else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1034                                 iter = prev;
1035                         else
1036                                 delete_chars++;
1037                         temp_past--;
1038                 }
1039                 skip += past;
1040                 iter = cd9660_rename_filename(diskStructure, iter, skip,
1041                     delete_chars);
1042         }
1043         return flag;
1044 }
1045
1046
1047 static cd9660node *
1048 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1049     int delete_chars)
1050 {
1051         int i = 0;
1052         int numbts, digit, digits, temp, powers, count;
1053         char *naming;
1054         int maxlength;
1055         char *tmp;
1056
1057         if (diskStructure->verbose_level > 0)
1058                 printf("Rename_filename called\n");
1059
1060         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1061         /* TODO : A LOT of chanes regarding 8.3 filenames */
1062         if (diskStructure->isoLevel == 1)
1063                 maxlength = 8;
1064         else if (diskStructure->isoLevel == 2)
1065                 maxlength = 31;
1066         else
1067                 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1068
1069         tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1070
1071         while (i < num && iter) {
1072                 powers = 1;
1073                 count = 0;
1074                 digits = 1;
1075                 while (((int)(i / powers) ) >= 10) {
1076                         digits++;
1077                         powers = powers * 10;
1078                 }
1079
1080                 naming = iter->o_name;
1081
1082                 /*
1083                 while ((*naming != '.') && (*naming != ';')) {
1084                         naming++;
1085                         count++;
1086                 }
1087                 */
1088
1089                 while (count < maxlength) {
1090                         if (*naming == ';')
1091                                 break;
1092                         naming++;
1093                         count++;
1094                 }
1095
1096                 if ((count + digits) < maxlength)
1097                         numbts = count;
1098                 else
1099                         numbts = maxlength - (digits);
1100                 numbts -= delete_chars;
1101
1102                 /* 8.3 rules - keep the extension, add before the dot */
1103
1104                 /*
1105                  * This code makes a bunch of assumptions.
1106                  * See if you can spot them all :)
1107                  */
1108
1109 #if 0
1110                 if (diskStructure->isoLevel == 1) {
1111                         numbts = 8 - digits - delete_chars;
1112                         if (dot < 0) {
1113
1114                         } else {
1115                                 if (dot < 8) {
1116                                         memmove(&tmp[numbts],&tmp[dot],4);
1117                                 }
1118                         }
1119                 }
1120 #endif
1121
1122                 /* (copying just the filename before the '.' */
1123                 memcpy(tmp, (iter->o_name), numbts);
1124
1125                 /* adding the appropriate number following the name */
1126                 temp = i;
1127                 while (digits > 0) {
1128                         digit = (int)(temp / powers);
1129                         temp = temp - digit * powers;
1130                         sprintf(&tmp[numbts] , "%d", digit);
1131                         digits--;
1132                         numbts++;
1133                         powers = powers / 10;
1134                 }
1135
1136                 while ((*naming != ';')  && (numbts < maxlength)) {
1137                         tmp[numbts] = (*naming);
1138                         naming++;
1139                         numbts++;
1140                 }
1141
1142                 tmp[numbts] = ';';
1143                 tmp[numbts+1] = '1';
1144                 tmp[numbts+2] = '\0';
1145
1146                 /*
1147                  * now tmp has exactly the identifier
1148                  * we want so we'll copy it back to record
1149                  */
1150                 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1151
1152                 iter = TAILQ_NEXT(iter, cn_next_child);
1153                 i++;
1154         }
1155
1156         free(tmp);
1157         return iter;
1158 }
1159
1160 /* Todo: Figure out why these functions are nec. */
1161 static void
1162 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1163 {
1164         cd9660node *cn;
1165
1166         if (TAILQ_EMPTY(&node->cn_children))
1167                 return;
1168
1169         if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1170                 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1171                 exit(1);
1172         }
1173
1174         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1175                 cd9660_copy_filenames(diskStructure, cn);
1176                 memcpy(cn->o_name, cn->isoDirRecord->name,
1177                     ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1178         }
1179 }
1180
1181 static void
1182 cd9660_sorting_nodes(cd9660node *node)
1183 {
1184         cd9660node *cn;
1185
1186         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1187                 cd9660_sorting_nodes(cn);
1188         cd9660_sort_nodes(node);
1189 }
1190
1191 /* XXX Bubble sort. */
1192 static void
1193 cd9660_sort_nodes(cd9660node *node)
1194 {
1195         cd9660node *cn, *next;
1196
1197         do {
1198                 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1199                         if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1200                                 return;
1201                         else if (strcmp(next->isoDirRecord->name,
1202                                         cn->isoDirRecord->name) >= 0)
1203                                 continue;
1204                         TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1205                         TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1206                         break;
1207                 }
1208         } while (cn != NULL);
1209 }
1210
1211 static int
1212 cd9660_count_collisions(cd9660node *copy)
1213 {
1214         int count = 0;
1215         cd9660node *iter, *next;
1216
1217         for (iter = copy;
1218              (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1219              iter = next) {
1220                 if (cd9660_compare_filename(iter->isoDirRecord->name,
1221                         next->isoDirRecord->name) == 0)
1222                         count++;
1223                 else
1224                         return count;
1225         }
1226 #if 0
1227         if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1228                 printf("%s: count is %i\n", __func__, count);
1229                 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1230                         next->isoDirRecord->name);
1231                 if (compare == 0) {
1232                         count++;
1233                         return cd9660_recurse_on_collision(next, count);
1234                 } else
1235                         return count;
1236         }
1237 #endif
1238         return count;
1239 }
1240
1241 static cd9660node *
1242 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1243 {
1244         char newname[9];
1245         cd9660node *tfile;
1246
1247         /*
1248          * This function needs to:
1249          * 1) Create an empty virtual file in place of the old directory
1250          * 2) Point the virtual file to the new directory
1251          * 3) Point the relocated directory to its old parent
1252          * 4) Move the directory specified by dir into rr_moved_dir,
1253          * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1254          */
1255
1256         /* First see if the moved directory even exists */
1257         if (diskStructure->rr_moved_dir == NULL) {
1258                 diskStructure->rr_moved_dir = cd9660_create_directory(
1259                     diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1260                     diskStructure->rootNode, dir);
1261                 if (diskStructure->rr_moved_dir == NULL)
1262                         return 0;
1263                 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1264                     stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1265         }
1266
1267         /* Create a file with the same ORIGINAL name */
1268         tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1269             dir);
1270         if (tfile == NULL)
1271                 return NULL;
1272
1273         diskStructure->rock_ridge_move_count++;
1274         snprintf(newname, sizeof(newname), "%08i",
1275             diskStructure->rock_ridge_move_count);
1276
1277         /* Point to old parent */
1278         dir->rr_real_parent = dir->parent;
1279
1280         /* Place the placeholder file */
1281         if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1282                 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1283                     cn_next_child);
1284         } else {
1285                 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1286         }
1287
1288         /* Point to new parent */
1289         dir->parent = diskStructure->rr_moved_dir;
1290
1291         /* Point the file to the moved directory */
1292         tfile->rr_relocated = dir;
1293
1294         /* Actually move the directory */
1295         cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1296
1297         /* TODO: Inherit permissions / ownership (basically the entire inode) */
1298
1299         /* Set the new name */
1300         memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1301         strncpy(dir->isoDirRecord->name, newname, 8);
1302         dir->isoDirRecord->length[0] = 34 + 8;
1303         dir->isoDirRecord->name_len[0] = 8;
1304
1305         return dir;
1306 }
1307
1308 static int
1309 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1310 {
1311         struct cd9660_children_head *head = &root->cn_children;
1312         cd9660node *cn;
1313
1314         TAILQ_FOREACH(cn, head, cn_next_child) {
1315                 if ((cn->type & CD9660_TYPE_DIR) == 0)
1316                         continue;
1317                 /* Recursion first */
1318                 cd9660_add_dot_records(diskStructure, cn);
1319         }
1320         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1321         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1322             root);
1323         return 1;
1324 }
1325
1326 /*
1327  * Convert node to cd9660 structure
1328  * This function is designed to be called recursively on the root node of
1329  * the filesystem
1330  * Lots of recursion going on here, want to make sure it is efficient
1331  * @param struct fsnode * The root node to be converted
1332  * @param struct cd9660* The parent node (should not be NULL)
1333  * @param int Current directory depth
1334  * @param int* Running count of the number of directories that are being created
1335  */
1336 static void
1337 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1338     cd9660node *parent_node, int level, int *numDirectories, int *error)
1339 {
1340         fsnode *iterator = root;
1341         cd9660node *this_node;
1342         int working_level;
1343         int add;
1344         int flag = 0;
1345         int counter = 0;
1346
1347         /*
1348          * Newer, more efficient method, reduces recursion depth
1349          */
1350         if (root == NULL) {
1351                 warnx("%s: root is null", __func__);
1352                 return;
1353         }
1354
1355         /* Test for an empty directory - makefs still gives us the . record */
1356         if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1357                 && (root->name[1] == '\0')) {
1358                 root = root->next;
1359                 if (root == NULL)
1360                         return;
1361         }
1362         if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1363                 CD9660_MEM_ALLOC_ERROR(__func__);
1364         }
1365
1366         /*
1367          * To reduce the number of recursive calls, we will iterate over
1368          * the next pointers to the right.
1369          */
1370         while (iterator != NULL) {
1371                 add = 1;
1372                 /*
1373                  * Increment the directory count if this is a directory
1374                  * Ignore "." entries. We will generate them later
1375                  */
1376                 if (!S_ISDIR(iterator->type) ||
1377                     strcmp(iterator->name, ".") != 0) {
1378
1379                         /* Translate the node, including its filename */
1380                         this_node->parent = parent_node;
1381                         cd9660_translate_node(diskStructure, iterator,
1382                             this_node);
1383                         this_node->level = level;
1384
1385                         if (S_ISDIR(iterator->type)) {
1386                                 (*numDirectories)++;
1387                                 this_node->type = CD9660_TYPE_DIR;
1388                                 working_level = level + 1;
1389
1390                                 /*
1391                                  * If at level 8, directory would be at 8
1392                                  * and have children at 9 which is not
1393                                  * allowed as per ISO spec
1394                                  */
1395                                 if (level == 8) {
1396                                         if ((!diskStructure->allow_deep_trees) &&
1397                                           (!diskStructure->rock_ridge_enabled)) {
1398                                                 warnx("error: found entry "
1399                                                      "with depth greater "
1400                                                      "than 8.");
1401                                                 (*error) = 1;
1402                                                 return;
1403                                         } else if (diskStructure->
1404                                                    rock_ridge_enabled) {
1405                                                 working_level = 3;
1406                                                 /*
1407                                                  * Moved directory is actually
1408                                                  * at level 2.
1409                                                  */
1410                                                 this_node->level =
1411                                                     working_level - 1;
1412                                                 if (cd9660_rrip_move_directory(
1413                                                         diskStructure,
1414                                                         this_node) == NULL) {
1415                                                         warnx("Failure in "
1416                                                               "cd9660_rrip_"
1417                                                               "move_directory"
1418                                                         );
1419                                                         (*error) = 1;
1420                                                         return;
1421                                                 }
1422                                                 add = 0;
1423                                         }
1424                                 }
1425
1426                                 /* Do the recursive call on the children */
1427                                 if (iterator->child != NULL) {
1428                                         cd9660_convert_structure(diskStructure,
1429                                                 iterator->child, this_node,
1430                                                 working_level,
1431                                                 numDirectories, error);
1432
1433                                         if ((*error) == 1) {
1434                                                 warnx("%s: Error on recursive "
1435                                                     "call", __func__);
1436                                                 return;
1437                                         }
1438                                 }
1439
1440                         } else {
1441                                 /* Only directories should have children */
1442                                 assert(iterator->child == NULL);
1443
1444                                 this_node->type = CD9660_TYPE_FILE;
1445                         }
1446
1447                         /*
1448                          * Finally, do a sorted insert
1449                          */
1450                         if (add) {
1451                                 cd9660_sorted_child_insert(
1452                                     parent_node, this_node);
1453                         }
1454
1455                         /*Allocate new temp_node */
1456                         if (iterator->next != NULL) {
1457                                 this_node = cd9660_allocate_cd9660node();
1458                                 if (this_node == NULL)
1459                                         CD9660_MEM_ALLOC_ERROR(__func__);
1460                         }
1461                 }
1462                 iterator = iterator->next;
1463         }
1464
1465         /* cd9660_handle_collisions(first_node); */
1466
1467         /* TODO: need cleanup */
1468         cd9660_copy_filenames(diskStructure, parent_node);
1469
1470         do {
1471                 flag = cd9660_handle_collisions(diskStructure, parent_node,
1472                     counter);
1473                 counter++;
1474                 cd9660_sorting_nodes(parent_node);
1475         } while ((flag == 1) && (counter < 100));
1476 }
1477
1478 /*
1479  * Clean up the cd9660node tree
1480  * This is designed to be called recursively on the root node
1481  * @param struct cd9660node *root The node to free
1482  * @returns void
1483  */
1484 static void
1485 cd9660_free_structure(cd9660node *root)
1486 {
1487         cd9660node *cn;
1488
1489         while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1490                 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1491                 cd9660_free_structure(cn);
1492         }
1493         free(root);
1494 }
1495
1496 /*
1497  * Be a little more memory conservative:
1498  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1499  * just create a temporary structure
1500  */
1501 static struct ptq_entry
1502 {
1503         TAILQ_ENTRY(ptq_entry) ptq;
1504         cd9660node *node;
1505 } *n;
1506
1507 #define PTQUEUE_NEW(n,s,r,t){\
1508         n = emalloc(sizeof(struct s));  \
1509         n->node = t;\
1510 }
1511
1512 /*
1513  * Generate the path tables
1514  * The specific implementation of this function is left as an exercise to the
1515  * programmer. It could be done recursively. Make sure you read how the path
1516  * table has to be laid out, it has levels.
1517  * @param struct iso9660_disk *disk The disk image
1518  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1519  */
1520 static int
1521 cd9660_generate_path_table(iso9660_disk *diskStructure)
1522 {
1523         cd9660node *cn, *dirNode = diskStructure->rootNode;
1524         cd9660node *last = dirNode;
1525         int pathTableSize = 0;  /* computed as we go */
1526         int counter = 1;        /* root gets a count of 0 */
1527
1528         TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1529         TAILQ_INIT(&pt_head);
1530
1531         PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1532
1533         /* Push the root node */
1534         TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1535
1536         /* Breadth-first traversal of file structure */
1537         while (pt_head.tqh_first != 0) {
1538                 n = pt_head.tqh_first;
1539                 dirNode = n->node;
1540                 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1541                 free(n);
1542
1543                 /* Update the size */
1544                 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1545                     + dirNode->isoDirRecord->name_len[0]+
1546                         (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1547                         /* includes the padding bit */
1548
1549                 dirNode->ptnumber=counter;
1550                 if (dirNode != last) {
1551                         last->ptnext = dirNode;
1552                         dirNode->ptprev = last;
1553                 }
1554                 last = dirNode;
1555
1556                 /* Push children onto queue */
1557                 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1558                         /*
1559                          * Dont add the DOT and DOTDOT types to the path
1560                          * table.
1561                          */
1562                         if ((cn->type != CD9660_TYPE_DOT)
1563                                 && (cn->type != CD9660_TYPE_DOTDOT)) {
1564
1565                                 if (S_ISDIR(cn->node->type)) {
1566                                         PTQUEUE_NEW(n, ptq_entry, -1, cn);
1567                                         TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1568                                 }
1569                         }
1570                 }
1571                 counter++;
1572         }
1573         return pathTableSize;
1574 }
1575
1576 void
1577 cd9660_compute_full_filename(cd9660node *node, char *buf)
1578 {
1579         int len;
1580
1581         len = CD9660MAXPATH + 1;
1582         len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1583             node->node->path, node->node->name);
1584         if (len > CD9660MAXPATH)
1585                 errx(EXIT_FAILURE, "Pathname too long.");
1586 }
1587
1588 /* NEW filename conversion method */
1589 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
1590     char *, int);
1591
1592
1593 /*
1594  * TODO: These two functions are almost identical.
1595  * Some code cleanup is possible here
1596  *
1597  * XXX bounds checking!
1598  */
1599 static int
1600 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1601     char *newname, int is_file)
1602 {
1603         /*
1604          * ISO 9660 : 10.1
1605          * File Name shall not contain more than 8 d or d1 characters
1606          * File Name Extension shall not contain more than 3 d or d1 characters
1607          * Directory Identifier shall not contain more than 8 d or d1 characters
1608          */
1609         int namelen = 0;
1610         int extlen = 0;
1611         int found_ext = 0;
1612
1613         while (*oldname != '\0' && extlen < 3) {
1614                 /* Handle period first, as it is special */
1615                 if (*oldname == '.') {
1616                         if (found_ext) {
1617                                 *newname++ = '_';
1618                                 extlen ++;
1619                         }
1620                         else {
1621                                 *newname++ = '.';
1622                                 found_ext = 1;
1623                         }
1624                 } else {
1625                         /* cut RISC OS file type off ISO name */
1626                         if (diskStructure->archimedes_enabled &&
1627                             *oldname == ',' && strlen(oldname) == 4)
1628                                 break;
1629
1630                         /* Enforce 12.3 / 8 */
1631                         if (namelen == 8 && !found_ext)
1632                                 break;
1633
1634                         if (islower((unsigned char)*oldname))
1635                                 *newname++ = toupper((unsigned char)*oldname);
1636                         else if (isupper((unsigned char)*oldname)
1637                             || isdigit((unsigned char)*oldname))
1638                                 *newname++ = *oldname;
1639                         else
1640                                 *newname++ = '_';
1641
1642                         if (found_ext)
1643                                 extlen++;
1644                         else
1645                                 namelen++;
1646                 }
1647                 oldname++;
1648         }
1649         if (is_file) {
1650                 if (!found_ext && !diskStructure->omit_trailing_period)
1651                         *newname++ = '.';
1652                 /* Add version */
1653                 sprintf(newname, ";%i", 1);
1654         }
1655         return namelen + extlen + found_ext;
1656 }
1657
1658 /* XXX bounds checking! */
1659 static int
1660 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1661     char *newname, int is_file)
1662 {
1663         /*
1664          * ISO 9660 : 7.5.1
1665          * File name : 0+ d or d1 characters
1666          * separator 1 (.)
1667          * File name extension : 0+ d or d1 characters
1668          * separator 2 (;)
1669          * File version number (5 characters, 1-32767)
1670          * 1 <= Sum of File name and File name extension <= 30
1671          */
1672         int namelen = 0;
1673         int extlen = 0;
1674         int found_ext = 0;
1675
1676         while (*oldname != '\0' && namelen + extlen < 30) {
1677                 /* Handle period first, as it is special */
1678                 if (*oldname == '.') {
1679                         if (found_ext) {
1680                                 if (diskStructure->allow_multidot) {
1681                                         *newname++ = '.';
1682                                 } else {
1683                                         *newname++ = '_';
1684                                 }
1685                                 extlen ++;
1686                         }
1687                         else {
1688                                 *newname++ = '.';
1689                                 found_ext = 1;
1690                         }
1691                 } else {
1692                         /* cut RISC OS file type off ISO name */
1693                         if (diskStructure->archimedes_enabled &&
1694                             *oldname == ',' && strlen(oldname) == 4)
1695                                 break;
1696
1697                          if (islower((unsigned char)*oldname))
1698                                 *newname++ = toupper((unsigned char)*oldname);
1699                         else if (isupper((unsigned char)*oldname) ||
1700                             isdigit((unsigned char)*oldname))
1701                                 *newname++ = *oldname;
1702                         else if (diskStructure->allow_multidot &&
1703                             *oldname == '.') {
1704                                 *newname++ = '.';
1705                         } else {
1706                                 *newname++ = '_';
1707                         }
1708
1709                         if (found_ext)
1710                                 extlen++;
1711                         else
1712                                 namelen++;
1713                 }
1714                 oldname ++;
1715         }
1716         if (is_file) {
1717                 if (!found_ext && !diskStructure->omit_trailing_period)
1718                         *newname++ = '.';
1719                 /* Add version */
1720                 sprintf(newname, ";%i", 1);
1721         }
1722         return namelen + extlen + found_ext;
1723 }
1724
1725 #if 0
1726 static int
1727 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1728     char *newname, int is_file)
1729 {
1730         /* TODO: implement later, move to cd9660_joliet.c ?? */
1731 }
1732 #endif
1733
1734
1735 /*
1736  * Convert a file name to ISO compliant file name
1737  * @param char * oldname The original filename
1738  * @param char ** newname The new file name, in the appropriate character
1739  *                        set and of appropriate length
1740  * @param int 1 if file, 0 if directory
1741  * @returns int The length of the new string
1742  */
1743 static int
1744 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1745     char *newname, int is_file)
1746 {
1747         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1748         /* NEW */
1749         cd9660_filename_conversion_functor conversion_function = NULL;
1750         if (diskStructure->isoLevel == 1)
1751                 conversion_function = &cd9660_level1_convert_filename;
1752         else if (diskStructure->isoLevel == 2)
1753                 conversion_function = &cd9660_level2_convert_filename;
1754         return (*conversion_function)(diskStructure, oldname, newname, is_file);
1755 }
1756
1757 int
1758 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1759 {
1760         int size = node->isoDirRecord->length[0];
1761
1762         if (diskStructure->rock_ridge_enabled)
1763                 size += node->susp_entry_size;
1764         size += node->su_tail_size;
1765         size += size & 1; /* Ensure length of record is even. */
1766         assert(size <= 254);
1767         return size;
1768 }
1769
1770 static void
1771 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1772 {
1773         node->dot_record->fileDataSector = node->fileDataSector;
1774         memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1775         node->dot_record->isoDirRecord->name_len[0] = 1;
1776         node->dot_record->isoDirRecord->name[0] = 0;
1777         node->dot_record->isoDirRecord->name[1] = 0;
1778         node->dot_record->isoDirRecord->length[0] = 34;
1779         node->dot_record->fileRecordSize =
1780             cd9660_compute_record_size(diskStructure, node->dot_record);
1781
1782         if (node == diskStructure->rootNode) {
1783                 node->dot_dot_record->fileDataSector = node->fileDataSector;
1784                 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1785                     34);
1786         } else {
1787                 node->dot_dot_record->fileDataSector =
1788                     node->parent->fileDataSector;
1789                 memcpy(node->dot_dot_record->isoDirRecord,
1790                     node->parent->isoDirRecord,34);
1791         }
1792         node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1793         node->dot_dot_record->isoDirRecord->name[0] = 1;
1794         node->dot_dot_record->isoDirRecord->name[1] = 0;
1795         node->dot_dot_record->isoDirRecord->length[0] = 34;
1796         node->dot_dot_record->fileRecordSize =
1797             cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1798 }
1799
1800 /*
1801  * @param struct cd9660node *node The node
1802  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1803  * @returns int The total size of files and directory entries (should be
1804  *              a multiple of sector size)
1805 */
1806 static int64_t
1807 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1808     int64_t startOffset)
1809 {
1810         /*
1811          * This function needs to compute the size of directory records and
1812          * runs, file lengths, and set the appropriate variables both in
1813          * cd9660node and isoDirEntry
1814          */
1815         int64_t used_bytes = 0;
1816         int64_t current_sector_usage = 0;
1817         cd9660node *child;
1818         fsinode *inode;
1819         int64_t r;
1820
1821         assert(node != NULL);
1822
1823
1824         /*
1825          * NOTE : There needs to be some special case detection for
1826          * the "real root" node, since for it, node->node is undefined
1827          */
1828
1829         node->fileDataSector = -1;
1830
1831         if (node->type & CD9660_TYPE_DIR) {
1832                 node->fileRecordSize = cd9660_compute_record_size(
1833                     diskStructure, node);
1834                 /*Set what sector this directory starts in*/
1835                 node->fileDataSector =
1836                     CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1837
1838                 cd9660_bothendian_dword(node->fileDataSector,
1839                     node->isoDirRecord->extent);
1840
1841                 /*
1842                  * First loop over children, need to know the size of
1843                  * their directory records
1844                  */
1845                 node->fileSectorsUsed = 1;
1846                 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1847                         node->fileDataLength +=
1848                             cd9660_compute_record_size(diskStructure, child);
1849                         if ((cd9660_compute_record_size(diskStructure, child) +
1850                             current_sector_usage) >=
1851                             diskStructure->sectorSize) {
1852                                 current_sector_usage = 0;
1853                                 node->fileSectorsUsed++;
1854                         }
1855
1856                         current_sector_usage +=
1857                             cd9660_compute_record_size(diskStructure, child);
1858                 }
1859
1860                 cd9660_bothendian_dword(node->fileSectorsUsed *
1861                         diskStructure->sectorSize,node->isoDirRecord->size);
1862
1863                 /*
1864                  * This should point to the sector after the directory
1865                  * record (or, the first byte in that sector)
1866                  */
1867                 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1868
1869                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1870                      child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1871                         /* Directories need recursive call */
1872                         if (S_ISDIR(child->node->type)) {
1873                                 r = cd9660_compute_offsets(diskStructure, child,
1874                                     used_bytes + startOffset);
1875
1876                                 if (r != -1)
1877                                         used_bytes += r;
1878                                 else
1879                                         return -1;
1880                         }
1881                 }
1882
1883                 /* Explicitly set the . and .. records */
1884                 cd9660_populate_dot_records(diskStructure, node);
1885
1886                 /* Finally, do another iteration to write the file data*/
1887                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1888                      child != NULL;
1889                      child = TAILQ_NEXT(child, cn_next_child)) {
1890                         /* Files need extent set */
1891                         if (S_ISDIR(child->node->type))
1892                                 continue;
1893                         child->fileRecordSize =
1894                             cd9660_compute_record_size(diskStructure, child);
1895
1896                         child->fileSectorsUsed =
1897                             CD9660_BLOCKS(diskStructure->sectorSize,
1898                                 child->fileDataLength);
1899
1900                         inode = child->node->inode;
1901                         if ((inode->flags & FI_ALLOCATED) == 0) {
1902                                 inode->ino =
1903                                     CD9660_BLOCKS(diskStructure->sectorSize,
1904                                         used_bytes + startOffset);
1905                                 inode->flags |= FI_ALLOCATED;
1906                                 used_bytes += child->fileSectorsUsed *
1907                                     diskStructure->sectorSize;
1908                         } else {
1909                                 INODE_WARNX(("%s: already allocated inode %d "
1910                                       "data sectors at %" PRIu32, __func__,
1911                                       (int)inode->st.st_ino, inode->ino));
1912                         }
1913                         child->fileDataSector = inode->ino;
1914                         cd9660_bothendian_dword(child->fileDataSector,
1915                                 child->isoDirRecord->extent);
1916                 }
1917         }
1918
1919         return used_bytes;
1920 }
1921
1922 #if 0
1923 /* Might get rid of this func */
1924 static int
1925 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1926 {
1927         to->node->inode->st.st_dev = 0;
1928         to->node->inode->st.st_ino = 0;
1929         to->node->inode->st.st_size = 0;
1930         to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1931         to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1932         to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1933         to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1934         to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1935         to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1936         to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1937         /* Clear out type */
1938         to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1939         if (file)
1940                 to->node->inode->st.st_mode |= S_IFREG;
1941         else
1942                 to->node->inode->st.st_mode |= S_IFDIR;
1943         return 1;
1944 }
1945 #endif
1946
1947 static cd9660node *
1948 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1949     cd9660node *parent, int file, int insert)
1950 {
1951         cd9660node *temp;
1952         fsnode * tfsnode;
1953
1954         assert(parent != NULL);
1955
1956         temp = cd9660_allocate_cd9660node();
1957         if (temp == NULL)
1958                 return NULL;
1959
1960         tfsnode = emalloc(sizeof(*tfsnode));
1961         tfsnode->name = estrdup(name);
1962         temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1963
1964         cd9660_convert_filename(diskStructure, tfsnode->name,
1965             temp->isoDirRecord->name, file);
1966
1967         temp->node = tfsnode;
1968         temp->parent = parent;
1969
1970         if (insert) {
1971                 if (temp->parent != NULL) {
1972                         temp->level = temp->parent->level + 1;
1973                         if (!TAILQ_EMPTY(&temp->parent->cn_children))
1974                                 cd9660_sorted_child_insert(temp->parent, temp);
1975                         else
1976                                 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1977                                     temp, cn_next_child);
1978                 }
1979         }
1980
1981         if (parent->node != NULL) {
1982                 tfsnode->type = parent->node->type;
1983         }
1984
1985         /* Clear out file type bits */
1986         tfsnode->type &= ~(S_IFMT);
1987         if (file)
1988                 tfsnode->type |= S_IFREG;
1989         else
1990                 tfsnode->type |= S_IFDIR;
1991
1992         /* Indicate that there is no spec entry (inode) */
1993         tfsnode->flags &= ~(FSNODE_F_HASSPEC);
1994 #if 0
1995         cd9660_copy_stat_info(parent, temp, file);
1996 #endif
1997         return temp;
1998 }
1999
2000 static cd9660node *
2001 cd9660_create_file(iso9660_disk *diskStructure, const char *name,
2002     cd9660node *parent, cd9660node *me)
2003 {
2004         cd9660node *temp;
2005
2006         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
2007         if (temp == NULL)
2008                 return NULL;
2009
2010         temp->fileDataLength = 0;
2011
2012         temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2013
2014         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2015         *temp->node->inode = *me->node->inode;
2016
2017         if (cd9660_translate_node_common(diskStructure, temp) == 0)
2018                 return NULL;
2019         return temp;
2020 }
2021
2022 /*
2023  * Create a new directory which does not exist on disk
2024  * @param const char * name The name to assign to the directory
2025  * @param const char * parent Pointer to the parent directory
2026  * @returns cd9660node * Pointer to the new directory
2027  */
2028 static cd9660node *
2029 cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
2030     cd9660node *parent, cd9660node *me)
2031 {
2032         cd9660node *temp;
2033
2034         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2035         if (temp == NULL)
2036                 return NULL;
2037         temp->node->type |= S_IFDIR;
2038
2039         temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2040
2041         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2042         *temp->node->inode = *me->node->inode;
2043
2044         if (cd9660_translate_node_common(diskStructure, temp) == 0)
2045                 return NULL;
2046         return temp;
2047 }
2048
2049 static cd9660node *
2050 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2051     cd9660node *parent)
2052 {
2053         cd9660node *temp, *first;
2054         char na[2];
2055
2056         assert(parent != NULL);
2057
2058         if (type == CD9660_TYPE_DOT)
2059                 na[0] = 0;
2060         else if (type == CD9660_TYPE_DOTDOT)
2061                 na[0] = 1;
2062         else
2063                 return 0;
2064
2065         na[1] = 0;
2066         if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2067             0, 0)) == NULL)
2068                 return NULL;
2069
2070         temp->parent = parent;
2071         temp->type = type;
2072         temp->isoDirRecord->length[0] = 34;
2073         /* Dot record is always first */
2074         if (type == CD9660_TYPE_DOT) {
2075                 parent->dot_record = temp;
2076                 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2077         /* DotDot should be second */
2078         } else if (type == CD9660_TYPE_DOTDOT) {
2079                 parent->dot_dot_record = temp;
2080                 /*
2081                  * If the first child is the dot record, insert
2082                  * this second.  Otherwise, insert it at the head.
2083                  */
2084                 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2085                     (first->type & CD9660_TYPE_DOT) == 0) {
2086                         TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2087                             cn_next_child);
2088                 } else {
2089                         TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2090                             cn_next_child);
2091                 }
2092         }
2093
2094         return temp;
2095 }
2096
2097 static int
2098 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2099 {
2100         struct stat stbuf;
2101
2102         assert(bootimage != NULL);
2103
2104         if (*bootimage == '\0') {
2105                 warnx("Error: Boot image must be a filename");
2106                 return 0;
2107         }
2108
2109         diskStructure->generic_bootimage = estrdup(bootimage);
2110
2111         /* Get information about the file */
2112         if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2113                 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2114                     diskStructure->generic_bootimage);
2115
2116         if (stbuf.st_size > 32768) {
2117                 warnx("Error: Boot image must be no greater than 32768 bytes");
2118                 return 0;
2119         }
2120
2121         if (diskStructure->verbose_level > 0) {
2122                 printf("Generic boot image image has size %lld\n",
2123                     (long long)stbuf.st_size);
2124         }
2125
2126         diskStructure->has_generic_bootimage = 1;
2127
2128         return 1;
2129 }