usr.sbin/makefs/cd9660.c

   1 /*      $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $     */
   2
   3 /*-
   4  * SPDX-License-Identifier: BSD-2-Clause-NetBSD 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  * $FreeBSD: head/usr.sbin/makefs/cd9660.c 331843 2018-03-31 15:04:41Z benno $
  99  */
 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                 OPT_STR('\0', "platformid", "Section Header Platform ID"),
 311
 312                 { .name = NULL }
 313         };
 314
 315         fsopts->fs_specific = diskStructure;
 316         fsopts->fs_options = copy_opts(cd9660_options);
 317
 318         cd9660_set_defaults(diskStructure);
 319 }
 320
 321 void
 322 cd9660_cleanup_opts(fsinfo_t *fsopts)
 323 {
 324         free(fsopts->fs_specific);
 325         free(fsopts->fs_options);
 326 }
 327
 328 static int
 329 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
 330                             char testmode, char * dest)
 331 {
 332         int len, test;
 333
 334         if (val == NULL)
 335                 warnx("error: The %s requires a string argument", fieldtitle);
 336         else if ((len = strlen(val)) <= length) {
 337                 if (testmode == 'd')
 338                         test = cd9660_valid_d_chars(val);
 339                 else
 340                         test = cd9660_valid_a_chars(val);
 341                 if (test) {
 342                         memcpy(dest, val, len);
 343                         if (test == 2)
 344                                 cd9660_uppercase_characters(dest, len);
 345                         return 1;
 346                 } else
 347                         warnx("error: The %s must be composed of "
 348                               "%c-characters", fieldtitle, testmode);
 349         } else
 350                 warnx("error: The %s must be at most 32 characters long",
 351                     fieldtitle);
 352         return 0;
 353 }
 354
 355 /*
 356  * Command-line parsing function
 357  */
 358
 359 int
 360 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
 361 {
 362         int     rv, i;
 363         iso9660_disk *diskStructure = fsopts->fs_specific;
 364         option_t *cd9660_options = fsopts->fs_options;
 365         char buf[1024];
 366         const char *name, *desc;
 367
 368         assert(option != NULL);
 369
 370         if (debug & DEBUG_FS_PARSE_OPTS)
 371                 printf("%s: got `%s'\n", __func__, option);
 372
 373         i = set_option(cd9660_options, option, buf, sizeof(buf));
 374         if (i == -1)
 375                 return 0;
 376
 377         if (cd9660_options[i].name == NULL)
 378                 abort();
 379
 380         name = cd9660_options[i].name;
 381         desc = cd9660_options[i].desc;
 382         switch (cd9660_options[i].letter) {
 383         case 'h':
 384         case 'S':
 385                 rv = 0; /* this is not handled yet */
 386                 break;
 387         case 'L':
 388                 rv = cd9660_arguments_set_string(buf, desc, 32, 'd',
 389                     diskStructure->primaryDescriptor.volume_id);
 390                 break;
 391         case 'A':
 392                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 393                     diskStructure->primaryDescriptor.application_id);
 394                 break;
 395         case 'P':
 396                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 397                     diskStructure->primaryDescriptor.publisher_id);
 398                 break;
 399         case 'p':
 400                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 401                     diskStructure->primaryDescriptor.preparer_id);
 402                 break;
 403         case 'V':
 404                 rv = cd9660_arguments_set_string(buf, desc, 128, 'a',
 405                     diskStructure->primaryDescriptor.volume_set_id);
 406                 break;
 407         /* Boot options */
 408         case 'B':
 409                 if (buf[0] == '\0') {
 410                         warnx("The Boot Image parameter requires a valid boot"
 411                             "information string");
 412                         rv = 0;
 413                 } else
 414                         rv = cd9660_add_boot_disk(diskStructure, buf);
 415                 break;
 416         case 'G':
 417                 if (buf[0] == '\0') {
 418                         warnx("The Generic Boot Image parameter requires a"
 419                             " valid boot information string");
 420                         rv = 0;
 421                 } else
 422                         rv = cd9660_add_generic_bootimage(diskStructure, buf);
 423                 break;
 424         default:
 425                 if (strcmp(name, "bootimagedir") == 0) {
 426                         /*
 427                          * XXXfvdl this is unused.
 428                          */
 429                         if (buf[0] == '\0') {
 430                                 warnx("The Boot Image Directory parameter"
 431                                     " requires a directory name");
 432                                 rv = 0;
 433                         } else {
 434                                 diskStructure->boot_image_directory =
 435                                     emalloc(strlen(buf) + 1);
 436                                 /* BIG TODO: Add the max length function here */
 437                                 rv = cd9660_arguments_set_string(buf, desc, 12,
 438                                     'd', diskStructure->boot_image_directory);
 439                         }
 440                 } else if (strcmp(name, "no-emul-boot") == 0 ||
 441                     strcmp(name, "no-boot") == 0 ||
 442                     strcmp(name, "hard-disk-boot") == 0) {
 443                         /* RRIP */
 444                         cd9660_eltorito_add_boot_option(diskStructure, name, 0);
 445                         rv = 1;
 446                 } else if (strcmp(name, "boot-load-segment") == 0 ||
 447                     strcmp(name, "platformid") == 0) {
 448                         if (buf[0] == '\0') {
 449                                 warnx("Option `%s' doesn't contain a value",
 450                                     name);
 451                                 rv = 0;
 452                         } else {
 453                                 cd9660_eltorito_add_boot_option(diskStructure,
 454                                     name, buf);
 455                                 rv = 1;
 456                         }
 457                 } else
 458                         rv = 1;
 459         }
 460         return rv;
 461 }
 462
 463 /*
 464  * Main function for cd9660_makefs
 465  * Builds the ISO image file
 466  * @param const char *image The image filename to create
 467  * @param const char *dir The directory that is being read
 468  * @param struct fsnode *root The root node of the filesystem tree
 469  * @param struct fsinfo_t *fsopts Any options
 470  */
 471 void
 472 cd9660_makefs(const char *image, const char *dir, fsnode *root,
 473     fsinfo_t *fsopts)
 474 {
 475         int64_t startoffset;
 476         int numDirectories;
 477         uint64_t pathTableSectors;
 478         int64_t firstAvailableSector;
 479         int64_t totalSpace;
 480         int error;
 481         cd9660node *real_root;
 482         iso9660_disk *diskStructure = fsopts->fs_specific;
 483
 484         if (diskStructure->verbose_level > 0)
 485                 printf("%s: ISO level is %i\n", __func__,
 486                     diskStructure->isoLevel);
 487         if (diskStructure->isoLevel < 2 &&
 488             diskStructure->allow_multidot)
 489                 errx(EXIT_FAILURE, "allow-multidot requires iso level of 2");
 490
 491         assert(image != NULL);
 492         assert(dir != NULL);
 493         assert(root != NULL);
 494
 495         if (diskStructure->displayHelp) {
 496                 /*
 497                  * Display help here - probably want to put it in
 498                  * a separate function
 499                  */
 500                 return;
 501         }
 502
 503         if (diskStructure->verbose_level > 0)
 504                 printf("%s: image %s directory %s root %p\n", __func__,
 505                     image, dir, root);
 506
 507         /* Set up some constants. Later, these will be defined with options */
 508
 509         /* Counter needed for path tables */
 510         numDirectories = 0;
 511
 512         /* Convert tree to our own format */
 513         /* Actually, we now need to add the REAL root node, at level 0 */
 514
 515         real_root = cd9660_allocate_cd9660node();
 516         real_root->isoDirRecord = emalloc(sizeof(*real_root->isoDirRecord));
 517         /* Leave filename blank for root */
 518         memset(real_root->isoDirRecord->name, 0,
 519             ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 520
 521         real_root->level = 0;
 522         diskStructure->rootNode = real_root;
 523         real_root->type = CD9660_TYPE_DIR;
 524         error = 0;
 525         real_root->node = root;
 526         cd9660_convert_structure(diskStructure, root, real_root, 1,
 527             &numDirectories, &error);
 528
 529         if (TAILQ_EMPTY(&real_root->cn_children)) {
 530                 errx(EXIT_FAILURE, "%s: converted directory is empty. "
 531                     "Tree conversion failed", __func__);
 532         } else if (error != 0) {
 533                 errx(EXIT_FAILURE, "%s: tree conversion failed", __func__);
 534         } else {
 535                 if (diskStructure->verbose_level > 0)
 536                         printf("%s: tree converted\n", __func__);
 537         }
 538
 539         /* Add the dot and dot dot records */
 540         cd9660_add_dot_records(diskStructure, real_root);
 541
 542         cd9660_setup_root_node(diskStructure);
 543
 544         if (diskStructure->verbose_level > 0)
 545                 printf("%s: done converting tree\n", __func__);
 546
 547         /* non-SUSP extensions */
 548         if (diskStructure->archimedes_enabled)
 549                 archimedes_convert_tree(diskStructure->rootNode);
 550
 551         /* Rock ridge / SUSP init pass */
 552         if (diskStructure->rock_ridge_enabled) {
 553                 cd9660_susp_initialize(diskStructure, diskStructure->rootNode,
 554                     diskStructure->rootNode, NULL);
 555         }
 556
 557         /* Build path table structure */
 558         diskStructure->pathTableLength = cd9660_generate_path_table(
 559             diskStructure);
 560
 561         pathTableSectors = CD9660_BLOCKS(diskStructure->sectorSize,
 562                 diskStructure->pathTableLength);
 563
 564         firstAvailableSector = cd9660_setup_volume_descriptors(diskStructure);
 565         if (diskStructure->is_bootable) {
 566                 firstAvailableSector = cd9660_setup_boot(diskStructure,
 567                     firstAvailableSector);
 568                 if (firstAvailableSector < 0)
 569                         errx(EXIT_FAILURE, "setup_boot failed");
 570         }
 571         /* LE first, then BE */
 572         diskStructure->primaryLittleEndianTableSector = firstAvailableSector;
 573         diskStructure->primaryBigEndianTableSector =
 574                 diskStructure->primaryLittleEndianTableSector + pathTableSectors;
 575
 576         /* Set the secondary ones to -1, not going to use them for now */
 577         diskStructure->secondaryBigEndianTableSector = -1;
 578         diskStructure->secondaryLittleEndianTableSector = -1;
 579
 580         diskStructure->dataFirstSector =
 581             diskStructure->primaryBigEndianTableSector + pathTableSectors;
 582         if (diskStructure->verbose_level > 0)
 583                 printf("%s: Path table conversion complete. "
 584                     "Each table is %i bytes, or %" PRIu64 " sectors.\n",
 585                     __func__,
 586                     diskStructure->pathTableLength, pathTableSectors);
 587
 588         startoffset = diskStructure->sectorSize*diskStructure->dataFirstSector;
 589
 590         totalSpace = cd9660_compute_offsets(diskStructure, real_root, startoffset);
 591
 592         diskStructure->totalSectors = diskStructure->dataFirstSector +
 593                 CD9660_BLOCKS(diskStructure->sectorSize, totalSpace);
 594
 595         /* Disabled until pass 1 is done */
 596         if (diskStructure->rock_ridge_enabled) {
 597                 diskStructure->susp_continuation_area_start_sector =
 598                     diskStructure->totalSectors;
 599                 diskStructure->totalSectors +=
 600                     CD9660_BLOCKS(diskStructure->sectorSize,
 601                         diskStructure->susp_continuation_area_size);
 602                 cd9660_susp_finalize(diskStructure, diskStructure->rootNode);
 603         }
 604
 605
 606         cd9660_finalize_PVD(diskStructure);
 607
 608         /* Add padding sectors, just for testing purposes right now */
 609         /* diskStructure->totalSectors+=150; */
 610
 611         /* Debugging output */
 612         if (diskStructure->verbose_level > 0) {
 613                 printf("%s: Sectors 0-15 reserved\n", __func__);
 614                 printf("%s: Primary path tables starts in sector %"
 615                     PRId64 "\n", __func__,
 616                     diskStructure->primaryLittleEndianTableSector);
 617                 printf("%s: File data starts in sector %"
 618                     PRId64 "\n", __func__, diskStructure->dataFirstSector);
 619                 printf("%s: Total sectors: %"
 620                     PRId64 "\n", __func__, diskStructure->totalSectors);
 621         }
 622
 623         /*
 624          * Add padding sectors at the end
 625          * TODO: Clean this up and separate padding
 626          */
 627         if (diskStructure->include_padding_areas)
 628                 diskStructure->totalSectors += 150;
 629
 630         cd9660_write_image(diskStructure, image);
 631
 632         if (diskStructure->verbose_level > 1) {
 633                 debug_print_volume_descriptor_information(diskStructure);
 634                 debug_print_tree(diskStructure, real_root, 0);
 635                 debug_print_path_tree(real_root);
 636         }
 637
 638         /* Clean up data structures */
 639         cd9660_free_structure(real_root);
 640
 641         if (diskStructure->verbose_level > 0)
 642                 printf("%s: done\n", __func__);
 643 }
 644
 645 /* Generic function pointer - implement later */
 646 typedef int (*cd9660node_func)(cd9660node *);
 647
 648 static void
 649 cd9660_finalize_PVD(iso9660_disk *diskStructure)
 650 {
 651         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 652
 653         /* root should be a fixed size of 34 bytes since it has no name */
 654         memcpy(diskStructure->primaryDescriptor.root_directory_record,
 655                 diskStructure->rootNode->dot_record->isoDirRecord, 34);
 656
 657         /* In RRIP, this might be longer than 34 */
 658         diskStructure->primaryDescriptor.root_directory_record[0] = 34;
 659
 660         /* Set up all the important numbers in the PVD */
 661         cd9660_bothendian_dword(diskStructure->totalSectors,
 662             (unsigned char *)diskStructure->primaryDescriptor.volume_space_size);
 663         cd9660_bothendian_word(1,
 664             (unsigned char *)diskStructure->primaryDescriptor.volume_set_size);
 665         cd9660_bothendian_word(1,
 666             (unsigned char *)
 667                 diskStructure->primaryDescriptor.volume_sequence_number);
 668         cd9660_bothendian_word(diskStructure->sectorSize,
 669             (unsigned char *)
 670                 diskStructure->primaryDescriptor.logical_block_size);
 671         cd9660_bothendian_dword(diskStructure->pathTableLength,
 672             (unsigned char *)diskStructure->primaryDescriptor.path_table_size);
 673
 674         cd9660_731(diskStructure->primaryLittleEndianTableSector,
 675                 (u_char *)diskStructure->primaryDescriptor.type_l_path_table);
 676         cd9660_732(diskStructure->primaryBigEndianTableSector,
 677                 (u_char *)diskStructure->primaryDescriptor.type_m_path_table);
 678
 679         diskStructure->primaryDescriptor.file_structure_version[0] = 1;
 680
 681         /* Pad all strings with spaces instead of nulls */
 682         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_id, 32);
 683         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.system_id, 32);
 684         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.volume_set_id,
 685             128);
 686         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.publisher_id,
 687             128);
 688         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.preparer_id,
 689             128);
 690         cd9660_pad_string_spaces(diskStructure->primaryDescriptor.application_id,
 691             128);
 692         cd9660_pad_string_spaces(
 693             diskStructure->primaryDescriptor.copyright_file_id, 37);
 694         cd9660_pad_string_spaces(
 695                 diskStructure->primaryDescriptor.abstract_file_id, 37);
 696         cd9660_pad_string_spaces(
 697                 diskStructure->primaryDescriptor.bibliographic_file_id, 37);
 698
 699         /* Setup dates */
 700         cd9660_time_8426(
 701             (unsigned char *)diskStructure->primaryDescriptor.creation_date,
 702             tstamp);
 703         cd9660_time_8426(
 704             (unsigned char *)diskStructure->primaryDescriptor.modification_date,
 705             tstamp);
 706
 707 #if 0
 708         cd9660_set_date(diskStructure->primaryDescriptor.expiration_date,
 709             tstamp);
 710 #endif
 711
 712         memset(diskStructure->primaryDescriptor.expiration_date, '0', 16);
 713         diskStructure->primaryDescriptor.expiration_date[16] = 0;
 714
 715         cd9660_time_8426(
 716             (unsigned char *)diskStructure->primaryDescriptor.effective_date,
 717             tstamp);
 718         /* make this sane */
 719         cd9660_time_915(diskStructure->rootNode->dot_record->isoDirRecord->date,
 720             tstamp);
 721 }
 722
 723 static void
 724 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
 725                                u_char ext_attr_length, u_char flags,
 726                                u_char name_len, const char * name)
 727 {
 728         record->ext_attr_length[0] = ext_attr_length;
 729         record->flags[0] = ISO_FLAG_CLEAR | flags;
 730         record->file_unit_size[0] = 0;
 731         record->interleave[0] = 0;
 732         cd9660_bothendian_word(1, record->volume_sequence_number);
 733         record->name_len[0] = name_len;
 734         memset(record->name, '\0', sizeof (record->name));
 735         memcpy(record->name, name, name_len);
 736         record->length[0] = 33 + name_len;
 737
 738         /* Todo : better rounding */
 739         record->length[0] += (record->length[0] & 1) ? 1 : 0;
 740 }
 741
 742 static void
 743 cd9660_setup_root_node(iso9660_disk *diskStructure)
 744 {
 745         cd9660_populate_iso_dir_record(diskStructure->rootNode->isoDirRecord,
 746             0, ISO_FLAG_DIRECTORY, 1, "\0");
 747
 748 }
 749
 750 /*********** SUPPORT FUNCTIONS ***********/
 751 static int
 752 cd9660_setup_volume_descriptors(iso9660_disk *diskStructure)
 753 {
 754         /* Boot volume descriptor should come second */
 755         int sector = 16;
 756         /* For now, a fixed 2 : PVD and terminator */
 757         volume_descriptor *temp, *t;
 758
 759         /* Set up the PVD */
 760         temp = emalloc(sizeof(*temp));
 761         temp->volumeDescriptorData =
 762            (unsigned char *)&diskStructure->primaryDescriptor;
 763         temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
 764         temp->volumeDescriptorData[6] = 1;
 765         temp->sector = sector;
 766         memcpy(temp->volumeDescriptorData + 1,
 767             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 768         diskStructure->firstVolumeDescriptor = temp;
 769
 770         sector++;
 771         /* Set up boot support if enabled. BVD must reside in sector 17 */
 772         if (diskStructure->is_bootable) {
 773                 t = emalloc(sizeof(*t));
 774                 t->volumeDescriptorData = ecalloc(1, 2048);
 775                 temp->next = t;
 776                 temp = t;
 777                 t->sector = 17;
 778                 if (diskStructure->verbose_level > 0)
 779                         printf("Setting up boot volume descriptor\n");
 780                 cd9660_setup_boot_volume_descriptor(diskStructure, t);
 781                 sector++;
 782         }
 783
 784         /* Set up the terminator */
 785         t = emalloc(sizeof(*t));
 786         t->volumeDescriptorData = ecalloc(1, 2048);
 787         temp->next = t;
 788         t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
 789         t->next = NULL;
 790         t->volumeDescriptorData[6] = 1;
 791         t->sector = sector;
 792         memcpy(t->volumeDescriptorData + 1,
 793             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 794
 795         sector++;
 796         return sector;
 797 }
 798
 799 #if 0
 800 /*
 801  * Populate EAR at some point. Not required, but is used by NetBSD's
 802  * cd9660 support
 803  */
 804 static int
 805 cd9660_fill_extended_attribute_record(cd9660node *node)
 806 {
 807         node->isoExtAttributes = emalloc(sizeof(*node->isoExtAttributes));
 808         return 1;
 809 }
 810 #endif
 811
 812 static int
 813 cd9660_translate_node_common(iso9660_disk *diskStructure, cd9660node *newnode)
 814 {
 815         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 816         u_char flag;
 817         char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
 818
 819         /* Now populate the isoDirRecord structure */
 820         memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 821
 822         (void)cd9660_convert_filename(diskStructure, newnode->node->name,
 823             temp, !(S_ISDIR(newnode->node->type)));
 824
 825         flag = ISO_FLAG_CLEAR;
 826         if (S_ISDIR(newnode->node->type))
 827                 flag |= ISO_FLAG_DIRECTORY;
 828
 829         cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
 830             flag, strlen(temp), temp);
 831
 832         /* Set the various dates */
 833
 834         /* If we want to use the current date and time */
 835
 836         cd9660_time_915(newnode->isoDirRecord->date, tstamp);
 837
 838         cd9660_bothendian_dword(newnode->fileDataLength,
 839             newnode->isoDirRecord->size);
 840         /* If the file is a link, we want to set the size to 0 */
 841         if (S_ISLNK(newnode->node->type))
 842                 newnode->fileDataLength = 0;
 843
 844         return 1;
 845 }
 846
 847 /*
 848  * Translate fsnode to cd9660node
 849  * Translate filenames and other metadata, including dates, sizes,
 850  * permissions, etc
 851  * @param struct fsnode * The node generated by makefs
 852  * @param struct cd9660node * The intermediate node to be written to
 853  * @returns int 0 on failure, 1 on success
 854  */
 855 static int
 856 cd9660_translate_node(iso9660_disk *diskStructure, fsnode *node,
 857     cd9660node *newnode)
 858 {
 859         if (node == NULL) {
 860                 if (diskStructure->verbose_level > 0)
 861                         printf("%s: NULL node passed, returning\n", __func__);
 862                 return 0;
 863         }
 864         newnode->isoDirRecord = emalloc(sizeof(*newnode->isoDirRecord));
 865         /* Set the node pointer */
 866         newnode->node = node;
 867
 868         /* Set the size */
 869         if (!(S_ISDIR(node->type)))
 870                 newnode->fileDataLength = node->inode->st.st_size;
 871
 872         if (cd9660_translate_node_common(diskStructure, newnode) == 0)
 873                 return 0;
 874
 875         /* Finally, overwrite some of the values that are set by default */
 876         cd9660_time_915(newnode->isoDirRecord->date,
 877             stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
 878
 879         return 1;
 880 }
 881
 882 /*
 883  * Compares two ISO filenames
 884  * @param const char * The first file name
 885  * @param const char * The second file name
 886  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
 887  *      the second is greater than the first
 888  */
 889 static int
 890 cd9660_compare_filename(const char *first, const char *second)
 891 {
 892         /*
 893          * This can be made more optimal once it has been tested
 894          * (the extra character, for example, is for testing)
 895          */
 896
 897         int p1 = 0;
 898         int p2 = 0;
 899         char c1, c2;
 900         /* First, on the filename */
 901
 902         while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
 903                 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
 904                 c1 = first[p1];
 905                 c2 = second[p2];
 906                 if (c1 == '.' && c2 =='.')
 907                         break;
 908                 else if (c1 == '.') {
 909                         p2++;
 910                         c1 = ' ';
 911                 } else if (c2 == '.') {
 912                         p1++;
 913                         c2 = ' ';
 914                 } else {
 915                         p1++;
 916                         p2++;
 917                 }
 918
 919                 if (c1 < c2)
 920                         return -1;
 921                 else if (c1 > c2) {
 922                         return 1;
 923                 }
 924         }
 925
 926         if (first[p1] == '.' && second[p2] == '.') {
 927                 p1++;
 928                 p2++;
 929                 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
 930                         && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
 931                         c1 = first[p1];
 932                         c2 = second[p2];
 933                         if (c1 == ';' && c2 == ';')
 934                                 break;
 935                         else if (c1 == ';') {
 936                                 p2++;
 937                                 c1 = ' ';
 938                         } else if (c2 == ';') {
 939                                 p1++;
 940                                 c2 = ' ';
 941                         } else {
 942                                 p1++;
 943                                 p2++;
 944                         }
 945
 946                         if (c1 < c2)
 947                                 return -1;
 948                         else if (c1 > c2)
 949                                 return 1;
 950                 }
 951         }
 952         return 0;
 953 }
 954
 955 /*
 956  * Insert a node into list with ISO sorting rules
 957  * @param cd9660node * The head node of the list
 958  * @param cd9660node * The node to be inserted
 959  */
 960 static void
 961 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
 962 {
 963         int compare;
 964         cd9660node *cn;
 965         struct cd9660_children_head *head = &parent->cn_children;
 966
 967         /* TODO: Optimize? */
 968         cn_new->parent = parent;
 969
 970         /*
 971          * first will either be 0, the . or the ..
 972          * if . or .., this means no other entry may be written before first
 973          * if 0, the new node may be inserted at the head
 974          */
 975
 976         TAILQ_FOREACH(cn, head, cn_next_child) {
 977                 /*
 978                  * Dont insert a node twice -
 979                  * that would cause an infinite loop
 980                  */
 981                 if (cn_new == cn)
 982                         return;
 983
 984                 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
 985                         cn->isoDirRecord->name);
 986
 987                 if (compare == 0)
 988                         compare = cd9660_compare_filename(cn_new->node->name,
 989                                 cn->node->name);
 990
 991                 if (compare < 0)
 992                         break;
 993         }
 994         if (cn == NULL)
 995                 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
 996         else
 997                 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
 998 }
 999
1000 /*
1001  * Called After cd9660_sorted_child_insert
1002  * handles file collisions by suffixing each filname with ~n
1003  * where n represents the files respective place in the ordering
1004  */
1005 static int
1006 cd9660_handle_collisions(iso9660_disk *diskStructure, cd9660node *colliding,
1007     int past)
1008 {
1009         cd9660node *iter, *next, *prev;
1010         int skip;
1011         int delete_chars = 0;
1012         int temp_past = past;
1013         int temp_skip;
1014         int flag = 0;
1015         cd9660node *end_of_range;
1016
1017         for (iter = TAILQ_FIRST(&colliding->cn_children);
1018              iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1019                 if (strcmp(iter->isoDirRecord->name,
1020                            next->isoDirRecord->name) != 0) {
1021                         iter = TAILQ_NEXT(iter, cn_next_child);
1022                         continue;
1023                 }
1024                 flag = 1;
1025                 temp_skip = skip = cd9660_count_collisions(iter);
1026                 end_of_range = iter;
1027                 while (temp_skip > 0) {
1028                         temp_skip--;
1029                         end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1030                 }
1031                 temp_past = past;
1032                 while (temp_past > 0) {
1033                         if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1034                                 end_of_range = next;
1035                         else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1036                                 iter = prev;
1037                         else
1038                                 delete_chars++;
1039                         temp_past--;
1040                 }
1041                 skip += past;
1042                 iter = cd9660_rename_filename(diskStructure, iter, skip,
1043                     delete_chars);
1044         }
1045         return flag;
1046 }
1047
1048
1049 static cd9660node *
1050 cd9660_rename_filename(iso9660_disk *diskStructure, cd9660node *iter, int num,
1051     int delete_chars)
1052 {
1053         int i = 0;
1054         int numbts, digit, digits, temp, powers, count;
1055         char *naming;
1056         int maxlength;
1057         char *tmp;
1058
1059         if (diskStructure->verbose_level > 0)
1060                 printf("Rename_filename called\n");
1061
1062         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1063         /* TODO : A LOT of chanes regarding 8.3 filenames */
1064         if (diskStructure->isoLevel == 1)
1065                 maxlength = 8;
1066         else if (diskStructure->isoLevel == 2)
1067                 maxlength = 31;
1068         else
1069                 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1070
1071         tmp = emalloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1072
1073         while (i < num && iter) {
1074                 powers = 1;
1075                 count = 0;
1076                 digits = 1;
1077                 while (((int)(i / powers) ) >= 10) {
1078                         digits++;
1079                         powers = powers * 10;
1080                 }
1081
1082                 naming = iter->o_name;
1083
1084                 /*
1085                 while ((*naming != '.') && (*naming != ';')) {
1086                         naming++;
1087                         count++;
1088                 }
1089                 */
1090
1091                 while (count < maxlength) {
1092                         if (*naming == ';')
1093                                 break;
1094                         naming++;
1095                         count++;
1096                 }
1097
1098                 if ((count + digits) < maxlength)
1099                         numbts = count;
1100                 else
1101                         numbts = maxlength - (digits);
1102                 numbts -= delete_chars;
1103
1104                 /* 8.3 rules - keep the extension, add before the dot */
1105
1106                 /*
1107                  * This code makes a bunch of assumptions.
1108                  * See if you can spot them all :)
1109                  */
1110
1111 #if 0
1112                 if (diskStructure->isoLevel == 1) {
1113                         numbts = 8 - digits - delete_chars;
1114                         if (dot < 0) {
1115
1116                         } else {
1117                                 if (dot < 8) {
1118                                         memmove(&tmp[numbts],&tmp[dot],4);
1119                                 }
1120                         }
1121                 }
1122 #endif
1123
1124                 /* (copying just the filename before the '.' */
1125                 memcpy(tmp, (iter->o_name), numbts);
1126
1127                 /* adding the appropriate number following the name */
1128                 temp = i;
1129                 while (digits > 0) {
1130                         digit = (int)(temp / powers);
1131                         temp = temp - digit * powers;
1132                         sprintf(&tmp[numbts] , "%d", digit);
1133                         digits--;
1134                         numbts++;
1135                         powers = powers / 10;
1136                 }
1137
1138                 while ((*naming != ';')  && (numbts < maxlength)) {
1139                         tmp[numbts] = (*naming);
1140                         naming++;
1141                         numbts++;
1142                 }
1143
1144                 tmp[numbts] = ';';
1145                 tmp[numbts+1] = '1';
1146                 tmp[numbts+2] = '\0';
1147
1148                 /*
1149                  * now tmp has exactly the identifier
1150                  * we want so we'll copy it back to record
1151                  */
1152                 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1153
1154                 iter = TAILQ_NEXT(iter, cn_next_child);
1155                 i++;
1156         }
1157
1158         free(tmp);
1159         return iter;
1160 }
1161
1162 /* Todo: Figure out why these functions are nec. */
1163 static void
1164 cd9660_copy_filenames(iso9660_disk *diskStructure, cd9660node *node)
1165 {
1166         cd9660node *cn;
1167
1168         if (TAILQ_EMPTY(&node->cn_children))
1169                 return;
1170
1171         if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1172                 debug_print_tree(diskStructure, diskStructure->rootNode, 0);
1173                 exit(1);
1174         }
1175
1176         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1177                 cd9660_copy_filenames(diskStructure, cn);
1178                 memcpy(cn->o_name, cn->isoDirRecord->name,
1179                     ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1180         }
1181 }
1182
1183 static void
1184 cd9660_sorting_nodes(cd9660node *node)
1185 {
1186         cd9660node *cn;
1187
1188         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1189                 cd9660_sorting_nodes(cn);
1190         cd9660_sort_nodes(node);
1191 }
1192
1193 /* XXX Bubble sort. */
1194 static void
1195 cd9660_sort_nodes(cd9660node *node)
1196 {
1197         cd9660node *cn, *next;
1198
1199         do {
1200                 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1201                         if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1202                                 return;
1203                         else if (strcmp(next->isoDirRecord->name,
1204                                         cn->isoDirRecord->name) >= 0)
1205                                 continue;
1206                         TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1207                         TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1208                         break;
1209                 }
1210         } while (cn != NULL);
1211 }
1212
1213 static int
1214 cd9660_count_collisions(cd9660node *copy)
1215 {
1216         int count = 0;
1217         cd9660node *iter, *next;
1218
1219         for (iter = copy;
1220              (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1221              iter = next) {
1222                 if (cd9660_compare_filename(iter->isoDirRecord->name,
1223                         next->isoDirRecord->name) == 0)
1224                         count++;
1225                 else
1226                         return count;
1227         }
1228 #if 0
1229         if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1230                 printf("%s: count is %i\n", __func__, count);
1231                 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1232                         next->isoDirRecord->name);
1233                 if (compare == 0) {
1234                         count++;
1235                         return cd9660_recurse_on_collision(next, count);
1236                 } else
1237                         return count;
1238         }
1239 #endif
1240         return count;
1241 }
1242
1243 static cd9660node *
1244 cd9660_rrip_move_directory(iso9660_disk *diskStructure, cd9660node *dir)
1245 {
1246         char newname[9];
1247         cd9660node *tfile;
1248
1249         /*
1250          * This function needs to:
1251          * 1) Create an empty virtual file in place of the old directory
1252          * 2) Point the virtual file to the new directory
1253          * 3) Point the relocated directory to its old parent
1254          * 4) Move the directory specified by dir into rr_moved_dir,
1255          * and rename it to "diskStructure->rock_ridge_move_count" (as a string)
1256          */
1257
1258         /* First see if the moved directory even exists */
1259         if (diskStructure->rr_moved_dir == NULL) {
1260                 diskStructure->rr_moved_dir = cd9660_create_directory(
1261                     diskStructure, ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1262                     diskStructure->rootNode, dir);
1263                 if (diskStructure->rr_moved_dir == NULL)
1264                         return 0;
1265                 cd9660_time_915(diskStructure->rr_moved_dir->isoDirRecord->date,
1266                     stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1267         }
1268
1269         /* Create a file with the same ORIGINAL name */
1270         tfile = cd9660_create_file(diskStructure, dir->node->name, dir->parent,
1271             dir);
1272         if (tfile == NULL)
1273                 return NULL;
1274
1275         diskStructure->rock_ridge_move_count++;
1276         snprintf(newname, sizeof(newname), "%08i",
1277             diskStructure->rock_ridge_move_count);
1278
1279         /* Point to old parent */
1280         dir->rr_real_parent = dir->parent;
1281
1282         /* Place the placeholder file */
1283         if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1284                 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1285                     cn_next_child);
1286         } else {
1287                 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1288         }
1289
1290         /* Point to new parent */
1291         dir->parent = diskStructure->rr_moved_dir;
1292
1293         /* Point the file to the moved directory */
1294         tfile->rr_relocated = dir;
1295
1296         /* Actually move the directory */
1297         cd9660_sorted_child_insert(diskStructure->rr_moved_dir, dir);
1298
1299         /* TODO: Inherit permissions / ownership (basically the entire inode) */
1300
1301         /* Set the new name */
1302         memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1303         strncpy(dir->isoDirRecord->name, newname, 8);
1304         dir->isoDirRecord->length[0] = 34 + 8;
1305         dir->isoDirRecord->name_len[0] = 8;
1306
1307         return dir;
1308 }
1309
1310 static int
1311 cd9660_add_dot_records(iso9660_disk *diskStructure, cd9660node *root)
1312 {
1313         struct cd9660_children_head *head = &root->cn_children;
1314         cd9660node *cn;
1315
1316         TAILQ_FOREACH(cn, head, cn_next_child) {
1317                 if ((cn->type & CD9660_TYPE_DIR) == 0)
1318                         continue;
1319                 /* Recursion first */
1320                 cd9660_add_dot_records(diskStructure, cn);
1321         }
1322         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOT, root);
1323         cd9660_create_special_directory(diskStructure, CD9660_TYPE_DOTDOT,
1324             root);
1325         return 1;
1326 }
1327
1328 /*
1329  * Convert node to cd9660 structure
1330  * This function is designed to be called recursively on the root node of
1331  * the filesystem
1332  * Lots of recursion going on here, want to make sure it is efficient
1333  * @param struct fsnode * The root node to be converted
1334  * @param struct cd9660* The parent node (should not be NULL)
1335  * @param int Current directory depth
1336  * @param int* Running count of the number of directories that are being created
1337  */
1338 static void
1339 cd9660_convert_structure(iso9660_disk *diskStructure, fsnode *root,
1340     cd9660node *parent_node, int level, int *numDirectories, int *error)
1341 {
1342         fsnode *iterator = root;
1343         cd9660node *this_node;
1344         int working_level;
1345         int add;
1346         int flag = 0;
1347         int counter = 0;
1348
1349         /*
1350          * Newer, more efficient method, reduces recursion depth
1351          */
1352         if (root == NULL) {
1353                 warnx("%s: root is null", __func__);
1354                 return;
1355         }
1356
1357         /* Test for an empty directory - makefs still gives us the . record */
1358         if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1359                 && (root->name[1] == '\0')) {
1360                 root = root->next;
1361                 if (root == NULL)
1362                         return;
1363         }
1364         if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1365                 CD9660_MEM_ALLOC_ERROR(__func__);
1366         }
1367
1368         /*
1369          * To reduce the number of recursive calls, we will iterate over
1370          * the next pointers to the right.
1371          */
1372         while (iterator != NULL) {
1373                 add = 1;
1374                 /*
1375                  * Increment the directory count if this is a directory
1376                  * Ignore "." entries. We will generate them later
1377                  */
1378                 if (!S_ISDIR(iterator->type) ||
1379                     strcmp(iterator->name, ".") != 0) {
1380
1381                         /* Translate the node, including its filename */
1382                         this_node->parent = parent_node;
1383                         cd9660_translate_node(diskStructure, iterator,
1384                             this_node);
1385                         this_node->level = level;
1386
1387                         if (S_ISDIR(iterator->type)) {
1388                                 (*numDirectories)++;
1389                                 this_node->type = CD9660_TYPE_DIR;
1390                                 working_level = level + 1;
1391
1392                                 /*
1393                                  * If at level 8, directory would be at 8
1394                                  * and have children at 9 which is not
1395                                  * allowed as per ISO spec
1396                                  */
1397                                 if (level == 8) {
1398                                         if ((!diskStructure->allow_deep_trees) &&
1399                                           (!diskStructure->rock_ridge_enabled)) {
1400                                                 warnx("error: found entry "
1401                                                      "with depth greater "
1402                                                      "than 8.");
1403                                                 (*error) = 1;
1404                                                 return;
1405                                         } else if (diskStructure->
1406                                                    rock_ridge_enabled) {
1407                                                 working_level = 3;
1408                                                 /*
1409                                                  * Moved directory is actually
1410                                                  * at level 2.
1411                                                  */
1412                                                 this_node->level =
1413                                                     working_level - 1;
1414                                                 if (cd9660_rrip_move_directory(
1415                                                         diskStructure,
1416                                                         this_node) == NULL) {
1417                                                         warnx("Failure in "
1418                                                               "cd9660_rrip_"
1419                                                               "move_directory"
1420                                                         );
1421                                                         (*error) = 1;
1422                                                         return;
1423                                                 }
1424                                                 add = 0;
1425                                         }
1426                                 }
1427
1428                                 /* Do the recursive call on the children */
1429                                 if (iterator->child != NULL) {
1430                                         cd9660_convert_structure(diskStructure,
1431                                                 iterator->child, this_node,
1432                                                 working_level,
1433                                                 numDirectories, error);
1434
1435                                         if ((*error) == 1) {
1436                                                 warnx("%s: Error on recursive "
1437                                                     "call", __func__);
1438                                                 return;
1439                                         }
1440                                 }
1441
1442                         } else {
1443                                 /* Only directories should have children */
1444                                 assert(iterator->child == NULL);
1445
1446                                 this_node->type = CD9660_TYPE_FILE;
1447                         }
1448
1449                         /*
1450                          * Finally, do a sorted insert
1451                          */
1452                         if (add) {
1453                                 cd9660_sorted_child_insert(
1454                                     parent_node, this_node);
1455                         }
1456
1457                         /*Allocate new temp_node */
1458                         if (iterator->next != NULL) {
1459                                 this_node = cd9660_allocate_cd9660node();
1460                                 if (this_node == NULL)
1461                                         CD9660_MEM_ALLOC_ERROR(__func__);
1462                         }
1463                 }
1464                 iterator = iterator->next;
1465         }
1466
1467         /* cd9660_handle_collisions(first_node); */
1468
1469         /* TODO: need cleanup */
1470         cd9660_copy_filenames(diskStructure, parent_node);
1471
1472         do {
1473                 flag = cd9660_handle_collisions(diskStructure, parent_node,
1474                     counter);
1475                 counter++;
1476                 cd9660_sorting_nodes(parent_node);
1477         } while ((flag == 1) && (counter < 100));
1478 }
1479
1480 /*
1481  * Clean up the cd9660node tree
1482  * This is designed to be called recursively on the root node
1483  * @param struct cd9660node *root The node to free
1484  * @returns void
1485  */
1486 static void
1487 cd9660_free_structure(cd9660node *root)
1488 {
1489         cd9660node *cn;
1490
1491         while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1492                 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1493                 cd9660_free_structure(cn);
1494         }
1495         free(root);
1496 }
1497
1498 /*
1499  * Be a little more memory conservative:
1500  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1501  * just create a temporary structure
1502  */
1503 static struct ptq_entry
1504 {
1505         TAILQ_ENTRY(ptq_entry) ptq;
1506         cd9660node *node;
1507 } *n;
1508
1509 #define PTQUEUE_NEW(n,s,r,t){\
1510         n = emalloc(sizeof(struct s));  \
1511         n->node = t;\
1512 }
1513
1514 /*
1515  * Generate the path tables
1516  * The specific implementation of this function is left as an exercise to the
1517  * programmer. It could be done recursively. Make sure you read how the path
1518  * table has to be laid out, it has levels.
1519  * @param struct iso9660_disk *disk The disk image
1520  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1521  */
1522 static int
1523 cd9660_generate_path_table(iso9660_disk *diskStructure)
1524 {
1525         cd9660node *cn, *dirNode = diskStructure->rootNode;
1526         cd9660node *last = dirNode;
1527         int pathTableSize = 0;  /* computed as we go */
1528         int counter = 1;        /* root gets a count of 0 */
1529
1530         TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1531         TAILQ_INIT(&pt_head);
1532
1533         PTQUEUE_NEW(n, ptq_entry, -1, diskStructure->rootNode);
1534
1535         /* Push the root node */
1536         TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1537
1538         /* Breadth-first traversal of file structure */
1539         while (pt_head.tqh_first != 0) {
1540                 n = pt_head.tqh_first;
1541                 dirNode = n->node;
1542                 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1543                 free(n);
1544
1545                 /* Update the size */
1546                 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1547                     + dirNode->isoDirRecord->name_len[0]+
1548                         (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1549                         /* includes the padding bit */
1550
1551                 dirNode->ptnumber=counter;
1552                 if (dirNode != last) {
1553                         last->ptnext = dirNode;
1554                         dirNode->ptprev = last;
1555                 }
1556                 last = dirNode;
1557
1558                 /* Push children onto queue */
1559                 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1560                         /*
1561                          * Dont add the DOT and DOTDOT types to the path
1562                          * table.
1563                          */
1564                         if ((cn->type != CD9660_TYPE_DOT)
1565                                 && (cn->type != CD9660_TYPE_DOTDOT)) {
1566
1567                                 if (S_ISDIR(cn->node->type)) {
1568                                         PTQUEUE_NEW(n, ptq_entry, -1, cn);
1569                                         TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1570                                 }
1571                         }
1572                 }
1573                 counter++;
1574         }
1575         return pathTableSize;
1576 }
1577
1578 void
1579 cd9660_compute_full_filename(cd9660node *node, char *buf)
1580 {
1581         int len;
1582
1583         len = CD9660MAXPATH + 1;
1584         len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1585             node->node->path, node->node->name);
1586         if (len > CD9660MAXPATH)
1587                 errx(EXIT_FAILURE, "Pathname too long.");
1588 }
1589
1590 /* NEW filename conversion method */
1591 typedef int(*cd9660_filename_conversion_functor)(iso9660_disk *, const char *,
1592     char *, int);
1593
1594
1595 /*
1596  * TODO: These two functions are almost identical.
1597  * Some code cleanup is possible here
1598  *
1599  * XXX bounds checking!
1600  */
1601 static int
1602 cd9660_level1_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1603     char *newname, int is_file)
1604 {
1605         /*
1606          * ISO 9660 : 10.1
1607          * File Name shall not contain more than 8 d or d1 characters
1608          * File Name Extension shall not contain more than 3 d or d1 characters
1609          * Directory Identifier shall not contain more than 8 d or d1 characters
1610          */
1611         int namelen = 0;
1612         int extlen = 0;
1613         int found_ext = 0;
1614
1615         while (*oldname != '\0' && extlen < 3) {
1616                 /* Handle period first, as it is special */
1617                 if (*oldname == '.') {
1618                         if (found_ext) {
1619                                 *newname++ = '_';
1620                                 extlen ++;
1621                         }
1622                         else {
1623                                 *newname++ = '.';
1624                                 found_ext = 1;
1625                         }
1626                 } else {
1627                         /* cut RISC OS file type off ISO name */
1628                         if (diskStructure->archimedes_enabled &&
1629                             *oldname == ',' && strlen(oldname) == 4)
1630                                 break;
1631
1632                         /* Enforce 12.3 / 8 */
1633                         if (namelen == 8 && !found_ext)
1634                                 break;
1635
1636                         if (islower((unsigned char)*oldname))
1637                                 *newname++ = toupper((unsigned char)*oldname);
1638                         else if (isupper((unsigned char)*oldname)
1639                             || isdigit((unsigned char)*oldname))
1640                                 *newname++ = *oldname;
1641                         else
1642                                 *newname++ = '_';
1643
1644                         if (found_ext)
1645                                 extlen++;
1646                         else
1647                                 namelen++;
1648                 }
1649                 oldname++;
1650         }
1651         if (is_file) {
1652                 if (!found_ext && !diskStructure->omit_trailing_period)
1653                         *newname++ = '.';
1654                 /* Add version */
1655                 sprintf(newname, ";%i", 1);
1656         }
1657         return namelen + extlen + found_ext;
1658 }
1659
1660 /* XXX bounds checking! */
1661 static int
1662 cd9660_level2_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1663     char *newname, int is_file)
1664 {
1665         /*
1666          * ISO 9660 : 7.5.1
1667          * File name : 0+ d or d1 characters
1668          * separator 1 (.)
1669          * File name extension : 0+ d or d1 characters
1670          * separator 2 (;)
1671          * File version number (5 characters, 1-32767)
1672          * 1 <= Sum of File name and File name extension <= 30
1673          */
1674         int namelen = 0;
1675         int extlen = 0;
1676         int found_ext = 0;
1677
1678         while (*oldname != '\0' && namelen + extlen < 30) {
1679                 /* Handle period first, as it is special */
1680                 if (*oldname == '.') {
1681                         if (found_ext) {
1682                                 if (diskStructure->allow_multidot) {
1683                                         *newname++ = '.';
1684                                 } else {
1685                                         *newname++ = '_';
1686                                 }
1687                                 extlen ++;
1688                         }
1689                         else {
1690                                 *newname++ = '.';
1691                                 found_ext = 1;
1692                         }
1693                 } else {
1694                         /* cut RISC OS file type off ISO name */
1695                         if (diskStructure->archimedes_enabled &&
1696                             *oldname == ',' && strlen(oldname) == 4)
1697                                 break;
1698
1699                          if (islower((unsigned char)*oldname))
1700                                 *newname++ = toupper((unsigned char)*oldname);
1701                         else if (isupper((unsigned char)*oldname) ||
1702                             isdigit((unsigned char)*oldname))
1703                                 *newname++ = *oldname;
1704                         else if (diskStructure->allow_multidot &&
1705                             *oldname == '.') {
1706                                 *newname++ = '.';
1707                         } else {
1708                                 *newname++ = '_';
1709                         }
1710
1711                         if (found_ext)
1712                                 extlen++;
1713                         else
1714                                 namelen++;
1715                 }
1716                 oldname ++;
1717         }
1718         if (is_file) {
1719                 if (!found_ext && !diskStructure->omit_trailing_period)
1720                         *newname++ = '.';
1721                 /* Add version */
1722                 sprintf(newname, ";%i", 1);
1723         }
1724         return namelen + extlen + found_ext;
1725 }
1726
1727 #if 0
1728 static int
1729 cd9660_joliet_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1730     char *newname, int is_file)
1731 {
1732         /* TODO: implement later, move to cd9660_joliet.c ?? */
1733 }
1734 #endif
1735
1736
1737 /*
1738  * Convert a file name to ISO compliant file name
1739  * @param char * oldname The original filename
1740  * @param char ** newname The new file name, in the appropriate character
1741  *                        set and of appropriate length
1742  * @param int 1 if file, 0 if directory
1743  * @returns int The length of the new string
1744  */
1745 static int
1746 cd9660_convert_filename(iso9660_disk *diskStructure, const char *oldname,
1747     char *newname, int is_file)
1748 {
1749         assert(1 <= diskStructure->isoLevel && diskStructure->isoLevel <= 2);
1750         /* NEW */
1751         cd9660_filename_conversion_functor conversion_function = NULL;
1752         if (diskStructure->isoLevel == 1)
1753                 conversion_function = &cd9660_level1_convert_filename;
1754         else if (diskStructure->isoLevel == 2)
1755                 conversion_function = &cd9660_level2_convert_filename;
1756         return (*conversion_function)(diskStructure, oldname, newname, is_file);
1757 }
1758
1759 int
1760 cd9660_compute_record_size(iso9660_disk *diskStructure, cd9660node *node)
1761 {
1762         int size = node->isoDirRecord->length[0];
1763
1764         if (diskStructure->rock_ridge_enabled)
1765                 size += node->susp_entry_size;
1766         size += node->su_tail_size;
1767         size += size & 1; /* Ensure length of record is even. */
1768         assert(size <= 254);
1769         return size;
1770 }
1771
1772 static void
1773 cd9660_populate_dot_records(iso9660_disk *diskStructure, cd9660node *node)
1774 {
1775         node->dot_record->fileDataSector = node->fileDataSector;
1776         memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1777         node->dot_record->isoDirRecord->name_len[0] = 1;
1778         node->dot_record->isoDirRecord->name[0] = 0;
1779         node->dot_record->isoDirRecord->name[1] = 0;
1780         node->dot_record->isoDirRecord->length[0] = 34;
1781         node->dot_record->fileRecordSize =
1782             cd9660_compute_record_size(diskStructure, node->dot_record);
1783
1784         if (node == diskStructure->rootNode) {
1785                 node->dot_dot_record->fileDataSector = node->fileDataSector;
1786                 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1787                     34);
1788         } else {
1789                 node->dot_dot_record->fileDataSector =
1790                     node->parent->fileDataSector;
1791                 memcpy(node->dot_dot_record->isoDirRecord,
1792                     node->parent->isoDirRecord,34);
1793         }
1794         node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1795         node->dot_dot_record->isoDirRecord->name[0] = 1;
1796         node->dot_dot_record->isoDirRecord->name[1] = 0;
1797         node->dot_dot_record->isoDirRecord->length[0] = 34;
1798         node->dot_dot_record->fileRecordSize =
1799             cd9660_compute_record_size(diskStructure, node->dot_dot_record);
1800 }
1801
1802 /*
1803  * @param struct cd9660node *node The node
1804  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1805  * @returns int The total size of files and directory entries (should be
1806  *              a multiple of sector size)
1807 */
1808 static int64_t
1809 cd9660_compute_offsets(iso9660_disk *diskStructure, cd9660node *node,
1810     int64_t startOffset)
1811 {
1812         /*
1813          * This function needs to compute the size of directory records and
1814          * runs, file lengths, and set the appropriate variables both in
1815          * cd9660node and isoDirEntry
1816          */
1817         int64_t used_bytes = 0;
1818         int64_t current_sector_usage = 0;
1819         cd9660node *child;
1820         fsinode *inode;
1821         int64_t r;
1822
1823         assert(node != NULL);
1824
1825
1826         /*
1827          * NOTE : There needs to be some special case detection for
1828          * the "real root" node, since for it, node->node is undefined
1829          */
1830
1831         node->fileDataSector = -1;
1832
1833         if (node->type & CD9660_TYPE_DIR) {
1834                 node->fileRecordSize = cd9660_compute_record_size(
1835                     diskStructure, node);
1836                 /*Set what sector this directory starts in*/
1837                 node->fileDataSector =
1838                     CD9660_BLOCKS(diskStructure->sectorSize,startOffset);
1839
1840                 cd9660_bothendian_dword(node->fileDataSector,
1841                     node->isoDirRecord->extent);
1842
1843                 /*
1844                  * First loop over children, need to know the size of
1845                  * their directory records
1846                  */
1847                 node->fileSectorsUsed = 1;
1848                 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1849                         node->fileDataLength +=
1850                             cd9660_compute_record_size(diskStructure, child);
1851                         if ((cd9660_compute_record_size(diskStructure, child) +
1852                             current_sector_usage) >=
1853                             diskStructure->sectorSize) {
1854                                 current_sector_usage = 0;
1855                                 node->fileSectorsUsed++;
1856                         }
1857
1858                         current_sector_usage +=
1859                             cd9660_compute_record_size(diskStructure, child);
1860                 }
1861
1862                 cd9660_bothendian_dword(node->fileSectorsUsed *
1863                         diskStructure->sectorSize,node->isoDirRecord->size);
1864
1865                 /*
1866                  * This should point to the sector after the directory
1867                  * record (or, the first byte in that sector)
1868                  */
1869                 used_bytes += node->fileSectorsUsed * diskStructure->sectorSize;
1870
1871                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1872                      child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1873                         /* Directories need recursive call */
1874                         if (S_ISDIR(child->node->type)) {
1875                                 r = cd9660_compute_offsets(diskStructure, child,
1876                                     used_bytes + startOffset);
1877
1878                                 if (r != -1)
1879                                         used_bytes += r;
1880                                 else
1881                                         return -1;
1882                         }
1883                 }
1884
1885                 /* Explicitly set the . and .. records */
1886                 cd9660_populate_dot_records(diskStructure, node);
1887
1888                 /* Finally, do another iteration to write the file data*/
1889                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1890                      child != NULL;
1891                      child = TAILQ_NEXT(child, cn_next_child)) {
1892                         /* Files need extent set */
1893                         if (S_ISDIR(child->node->type))
1894                                 continue;
1895                         child->fileRecordSize =
1896                             cd9660_compute_record_size(diskStructure, child);
1897
1898                         child->fileSectorsUsed =
1899                             CD9660_BLOCKS(diskStructure->sectorSize,
1900                                 child->fileDataLength);
1901
1902                         inode = child->node->inode;
1903                         if ((inode->flags & FI_ALLOCATED) == 0) {
1904                                 inode->ino =
1905                                     CD9660_BLOCKS(diskStructure->sectorSize,
1906                                         used_bytes + startOffset);
1907                                 inode->flags |= FI_ALLOCATED;
1908                                 used_bytes += child->fileSectorsUsed *
1909                                     diskStructure->sectorSize;
1910                         } else {
1911                                 INODE_WARNX(("%s: already allocated inode %d "
1912                                       "data sectors at %" PRIu32, __func__,
1913                                       (int)inode->st.st_ino, inode->ino));
1914                         }
1915                         child->fileDataSector = inode->ino;
1916                         cd9660_bothendian_dword(child->fileDataSector,
1917                                 child->isoDirRecord->extent);
1918                 }
1919         }
1920
1921         return used_bytes;
1922 }
1923
1924 #if 0
1925 /* Might get rid of this func */
1926 static int
1927 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1928 {
1929         to->node->inode->st.st_dev = 0;
1930         to->node->inode->st.st_ino = 0;
1931         to->node->inode->st.st_size = 0;
1932         to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1933         to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1934         to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1935         to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1936         to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1937         to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1938         to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1939         /* Clear out type */
1940         to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1941         if (file)
1942                 to->node->inode->st.st_mode |= S_IFREG;
1943         else
1944                 to->node->inode->st.st_mode |= S_IFDIR;
1945         return 1;
1946 }
1947 #endif
1948
1949 static cd9660node *
1950 cd9660_create_virtual_entry(iso9660_disk *diskStructure, const char *name,
1951     cd9660node *parent, int file, int insert)
1952 {
1953         cd9660node *temp;
1954         fsnode * tfsnode;
1955
1956         assert(parent != NULL);
1957
1958         temp = cd9660_allocate_cd9660node();
1959         if (temp == NULL)
1960                 return NULL;
1961
1962         tfsnode = emalloc(sizeof(*tfsnode));
1963         tfsnode->name = estrdup(name);
1964         temp->isoDirRecord = emalloc(sizeof(*temp->isoDirRecord));
1965
1966         cd9660_convert_filename(diskStructure, tfsnode->name,
1967             temp->isoDirRecord->name, file);
1968
1969         temp->node = tfsnode;
1970         temp->parent = parent;
1971
1972         if (insert) {
1973                 if (temp->parent != NULL) {
1974                         temp->level = temp->parent->level + 1;
1975                         if (!TAILQ_EMPTY(&temp->parent->cn_children))
1976                                 cd9660_sorted_child_insert(temp->parent, temp);
1977                         else
1978                                 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1979                                     temp, cn_next_child);
1980                 }
1981         }
1982
1983         if (parent->node != NULL) {
1984                 tfsnode->type = parent->node->type;
1985         }
1986
1987         /* Clear out file type bits */
1988         tfsnode->type &= ~(S_IFMT);
1989         if (file)
1990                 tfsnode->type |= S_IFREG;
1991         else
1992                 tfsnode->type |= S_IFDIR;
1993
1994         /* Indicate that there is no spec entry (inode) */
1995         tfsnode->flags &= ~(FSNODE_F_HASSPEC);
1996 #if 0
1997         cd9660_copy_stat_info(parent, temp, file);
1998 #endif
1999         return temp;
2000 }
2001
2002 static cd9660node *
2003 cd9660_create_file(iso9660_disk *diskStructure, const char *name,
2004     cd9660node *parent, cd9660node *me)
2005 {
2006         cd9660node *temp;
2007
2008         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 1, 1);
2009         if (temp == NULL)
2010                 return NULL;
2011
2012         temp->fileDataLength = 0;
2013
2014         temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2015
2016         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2017         *temp->node->inode = *me->node->inode;
2018
2019         if (cd9660_translate_node_common(diskStructure, temp) == 0)
2020                 return NULL;
2021         return temp;
2022 }
2023
2024 /*
2025  * Create a new directory which does not exist on disk
2026  * @param const char * name The name to assign to the directory
2027  * @param const char * parent Pointer to the parent directory
2028  * @returns cd9660node * Pointer to the new directory
2029  */
2030 static cd9660node *
2031 cd9660_create_directory(iso9660_disk *diskStructure, const char *name,
2032     cd9660node *parent, cd9660node *me)
2033 {
2034         cd9660node *temp;
2035
2036         temp = cd9660_create_virtual_entry(diskStructure, name, parent, 0, 1);
2037         if (temp == NULL)
2038                 return NULL;
2039         temp->node->type |= S_IFDIR;
2040
2041         temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2042
2043         temp->node->inode = ecalloc(1, sizeof(*temp->node->inode));
2044         *temp->node->inode = *me->node->inode;
2045
2046         if (cd9660_translate_node_common(diskStructure, temp) == 0)
2047                 return NULL;
2048         return temp;
2049 }
2050
2051 static cd9660node *
2052 cd9660_create_special_directory(iso9660_disk *diskStructure, u_char type,
2053     cd9660node *parent)
2054 {
2055         cd9660node *temp, *first;
2056         char na[2];
2057
2058         assert(parent != NULL);
2059
2060         if (type == CD9660_TYPE_DOT)
2061                 na[0] = 0;
2062         else if (type == CD9660_TYPE_DOTDOT)
2063                 na[0] = 1;
2064         else
2065                 return 0;
2066
2067         na[1] = 0;
2068         if ((temp = cd9660_create_virtual_entry(diskStructure, na, parent,
2069             0, 0)) == NULL)
2070                 return NULL;
2071
2072         temp->parent = parent;
2073         temp->type = type;
2074         temp->isoDirRecord->length[0] = 34;
2075         /* Dot record is always first */
2076         if (type == CD9660_TYPE_DOT) {
2077                 parent->dot_record = temp;
2078                 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2079         /* DotDot should be second */
2080         } else if (type == CD9660_TYPE_DOTDOT) {
2081                 parent->dot_dot_record = temp;
2082                 /*
2083                  * If the first child is the dot record, insert
2084                  * this second.  Otherwise, insert it at the head.
2085                  */
2086                 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2087                     (first->type & CD9660_TYPE_DOT) == 0) {
2088                         TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2089                             cn_next_child);
2090                 } else {
2091                         TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2092                             cn_next_child);
2093                 }
2094         }
2095
2096         return temp;
2097 }
2098
2099 static int
2100 cd9660_add_generic_bootimage(iso9660_disk *diskStructure, const char *bootimage)
2101 {
2102         struct stat stbuf;
2103
2104         assert(bootimage != NULL);
2105
2106         if (*bootimage == '\0') {
2107                 warnx("Error: Boot image must be a filename");
2108                 return 0;
2109         }
2110
2111         diskStructure->generic_bootimage = estrdup(bootimage);
2112
2113         /* Get information about the file */
2114         if (lstat(diskStructure->generic_bootimage, &stbuf) == -1)
2115                 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2116                     diskStructure->generic_bootimage);
2117
2118         if (stbuf.st_size > 32768) {
2119                 warnx("Error: Boot image must be no greater than 32768 bytes");
2120                 return 0;
2121         }
2122
2123         if (diskStructure->verbose_level > 0) {
2124                 printf("Generic boot image has size %lld\n",
2125                     (long long)stbuf.st_size);
2126         }
2127
2128         diskStructure->has_generic_bootimage = 1;
2129
2130         return 1;
2131 }