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 <string.h>
 102 #include <ctype.h>
 103 #include <sys/param.h>
 104 #include <sys/queue.h>
 105
 106 #include "makefs.h"
 107 #include "cd9660.h"
 108 #include "cd9660/iso9660_rrip.h"
 109 #include "cd9660/cd9660_archimedes.h"
 110
 111 /*
 112  * Global variables
 113  */
 114 iso9660_disk diskStructure;
 115
 116 static void cd9660_finalize_PVD(void);
 117 static cd9660node *cd9660_allocate_cd9660node(void);
 118 static void cd9660_set_defaults(void);
 119 static int cd9660_arguments_set_string(const char *, const char *, int,
 120     char, char *);
 121 static void cd9660_populate_iso_dir_record(
 122     struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
 123     const char *);
 124 static void cd9660_setup_root_node(void);
 125 static int cd9660_setup_volume_descriptors(void);
 126 #if 0
 127 static int cd9660_fill_extended_attribute_record(cd9660node *);
 128 #endif
 129 static void cd9660_sort_nodes(cd9660node *);
 130 static int cd9660_translate_node_common(cd9660node *);
 131 static int cd9660_translate_node(fsnode *, cd9660node *);
 132 static int cd9660_compare_filename(const char *, const char *);
 133 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
 134 static int cd9660_handle_collisions(cd9660node *, int);
 135 static cd9660node *cd9660_rename_filename(cd9660node *, int, int);
 136 static void cd9660_copy_filenames(cd9660node *);
 137 static void cd9660_sorting_nodes(cd9660node *);
 138 static int cd9660_count_collisions(cd9660node *);
 139 static cd9660node *cd9660_rrip_move_directory(cd9660node *);
 140 static int cd9660_add_dot_records(cd9660node *);
 141
 142 static void cd9660_convert_structure(fsnode *, cd9660node *, int,
 143     int *, int *);
 144 static void cd9660_free_structure(cd9660node *);
 145 static int cd9660_generate_path_table(void);
 146 static int cd9660_level1_convert_filename(const char *, char *, int);
 147 static int cd9660_level2_convert_filename(const char *, char *, int);
 148 #if 0
 149 static int cd9660_joliet_convert_filename(const char *, char *, int);
 150 #endif
 151 static int cd9660_convert_filename(const char *, char *, int);
 152 static void cd9660_populate_dot_records(cd9660node *);
 153 static int64_t cd9660_compute_offsets(cd9660node *, int64_t);
 154 #if 0
 155 static int cd9660_copy_stat_info(cd9660node *, cd9660node *, int);
 156 #endif
 157 static cd9660node *cd9660_create_virtual_entry(const char *, cd9660node *, int,
 158     int);
 159 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *);
 160 static cd9660node *cd9660_create_directory(const char *, cd9660node *,
 161     cd9660node *);
 162 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *);
 163
 164
 165 /*
 166  * Allocate and initialize a cd9660node
 167  * @returns struct cd9660node * Pointer to new node, or NULL on error
 168  */
 169 static cd9660node *
 170 cd9660_allocate_cd9660node(void)
 171 {
 172         cd9660node *temp;
 173
 174         if ((temp = calloc(1, sizeof(cd9660node))) == NULL)
 175                 err(EXIT_FAILURE, "%s: calloc", __func__);
 176         TAILQ_INIT(&temp->cn_children);
 177         temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
 178         temp->ptnext = temp->ptprev = temp->ptlast = NULL;
 179         temp->node = NULL;
 180         temp->isoDirRecord = NULL;
 181         temp->isoExtAttributes = NULL;
 182         temp->rr_real_parent = temp->rr_relocated = NULL;
 183         temp->su_tail_data = NULL;
 184         return temp;
 185 }
 186
 187 int cd9660_defaults_set = 0;
 188
 189 /**
 190 * Set default values for cd9660 extension to makefs
 191 */
 192 static void
 193 cd9660_set_defaults(void)
 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         cd9660_defaults_set = 1;
 236
 237         /* Boot support: Initially disabled */
 238         diskStructure.has_generic_bootimage = 0;
 239         diskStructure.generic_bootimage = NULL;
 240
 241         diskStructure.boot_image_directory = 0;
 242         /*memset(diskStructure.boot_descriptor, 0, 2048);*/
 243
 244         diskStructure.is_bootable = 0;
 245         TAILQ_INIT(&diskStructure.boot_images);
 246         LIST_INIT(&diskStructure.boot_entries);
 247 }
 248
 249 void
 250 cd9660_prep_opts(fsinfo_t *fsopts __unused)
 251 {
 252         cd9660_set_defaults();
 253 }
 254
 255 void
 256 cd9660_cleanup_opts(fsinfo_t *fsopts __unused)
 257 {
 258
 259 }
 260
 261 static int
 262 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
 263                             char testmode, char * dest)
 264 {
 265         int len, test;
 266
 267         if (val == NULL)
 268                 warnx("error: The %s requires a string argument", fieldtitle);
 269         else if ((len = strlen(val)) <= length) {
 270                 if (testmode == 'd')
 271                         test = cd9660_valid_d_chars(val);
 272                 else
 273                         test = cd9660_valid_a_chars(val);
 274                 if (test) {
 275                         memcpy(dest, val, len);
 276                         if (test == 2)
 277                                 cd9660_uppercase_characters(dest, len);
 278                         return 1;
 279                 } else
 280                         warnx("error: The %s must be composed of "
 281                               "%c-characters", fieldtitle, testmode);
 282         } else
 283                 warnx("error: The %s must be at most 32 characters long",
 284                     fieldtitle);
 285         return 0;
 286 }
 287
 288 /*
 289  * Command-line parsing function
 290  */
 291
 292 int
 293 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
 294 {
 295         char *var, *val;
 296         int     rv;
 297         /* Set up allowed options - integer options ONLY */
 298         option_t cd9660_options[] = {
 299                 { "l", &diskStructure.isoLevel, 1, 2, "ISO Level" },
 300                 { "isolevel", &diskStructure.isoLevel, 1, 2, "ISO Level" },
 301                 { "verbose",  &diskStructure.verbose_level, 0, 2,
 302                   "Turns on verbose output" },
 303                 { "v", &diskStructure.verbose_level, 0 , 2,
 304                   "Turns on verbose output"},
 305                 { .name = NULL }
 306         };
 307
 308         if (cd9660_defaults_set == 0)
 309                 cd9660_set_defaults();
 310
 311         /*
 312          * Todo : finish implementing this, and make a function that
 313          * parses them
 314          */
 315         /*
 316         string_option_t cd9660_string_options[] = {
 317                 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS },
 318                 { NULL }
 319         }
 320         */
 321
 322         assert(option != NULL);
 323
 324         if (debug & DEBUG_FS_PARSE_OPTS)
 325                 printf("cd9660_parse_opts: got `%s'\n", option);
 326
 327         if ((var = strdup(option)) == NULL)
 328                 err(1, "allocating memory for copy of option string");
 329         rv = 1;
 330
 331         val = strchr(var, '=');
 332         if (val != NULL)
 333                 *val++ = '\0';
 334
 335         /* First handle options with no parameters */
 336         if (strcmp(var, "h") == 0) {
 337                 diskStructure.displayHelp = 1;
 338                 rv = 1;
 339         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) {
 340                 /* this is not handled yet */
 341                 diskStructure.follow_sym_links = 1;
 342                 rv = 1;
 343         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) {
 344                 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd',
 345                         diskStructure.primaryDescriptor.volume_id);
 346         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) {
 347                 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a',
 348                         diskStructure.primaryDescriptor.application_id);
 349         } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) {
 350                 rv = cd9660_arguments_set_string(val, "Publisher Identifier",
 351                         128, 'a', diskStructure.primaryDescriptor.publisher_id);
 352         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) {
 353                 rv = cd9660_arguments_set_string(val, "Preparer Identifier",
 354                     128, 'a', diskStructure.primaryDescriptor.preparer_id);
 355         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) {
 356                 rv = cd9660_arguments_set_string(val, "Volume Set Identifier",
 357                     128, 'a', diskStructure.primaryDescriptor.volume_set_id);
 358         /* Boot options */
 359         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) {
 360                 if (val == NULL)
 361                         warnx("error: The Boot Image parameter requires a valid boot information string");
 362                 else
 363                         rv = cd9660_add_boot_disk(val);
 364         } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) {
 365                 /*
 366                  * XXXfvdl this is unused.
 367                  */
 368                 if (val == NULL)
 369                         errx(1, "error: The Boot Image Directory parameter"
 370                              " requires a directory name\n");
 371                 else {
 372                         if ((diskStructure.boot_image_directory =
 373                              malloc(strlen(val) + 1)) == NULL) {
 374                                 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts");
 375                                 exit(1);
 376                         }
 377
 378                         /* BIG TODO: Add the max length function here */
 379                         cd9660_arguments_set_string(val, "Boot Image Directory",
 380                             12 , 'd', diskStructure.boot_image_directory);
 381                 }
 382         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) {
 383                 if (val == NULL)
 384                         warnx("error: The Boot Image parameter requires a valid boot information string");
 385                 else
 386                         rv = cd9660_add_generic_bootimage(val);
 387         } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding"))
 388                 diskStructure.include_padding_areas = 0;
 389         /* RRIP */
 390         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge"))
 391                 diskStructure.rock_ridge_enabled = 1;
 392         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes"))
 393                 diskStructure.archimedes_enabled = 1;
 394         else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot"))
 395                 diskStructure.chrp_boot = 1;
 396         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images"))
 397                 diskStructure.keep_bad_images = 1;
 398         else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees"))
 399                 diskStructure.allow_deep_trees = 1;
 400         else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name"))
 401                 diskStructure.allow_max_name = 1;
 402         else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars"))
 403                 diskStructure.allow_illegal_chars = 1;
 404         else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase"))
 405                 diskStructure.allow_lowercase = 1;
 406         else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot"))
 407                 diskStructure.allow_multidot = 1;
 408         else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period"))
 409                 diskStructure.omit_trailing_period = 1;
 410         else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") ||
 411                  CD9660_IS_COMMAND_ARG(var, "no-boot") ||
 412                  CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) {
 413                 cd9660_eltorito_add_boot_option(var, 0);
 414
 415                 /* End of flag variables */
 416         } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) {
 417                 if (val == NULL) {
 418                         warnx("Option `%s' doesn't contain a value", var);
 419                         rv = 0;
 420                 } else {
 421                         cd9660_eltorito_add_boot_option(var, val);
 422                 }
 423         } else {
 424                 if (val == NULL) {
 425                         warnx("Option `%s' doesn't contain a value", var);
 426                         rv = 0;
 427                 } else
 428                         rv = set_option(cd9660_options, var, val);
 429         }
 430
 431         free(var);
 432         return (rv);
 433 }
 434
 435 /*
 436  * Main function for cd9660_makefs
 437  * Builds the ISO image file
 438  * @param const char *image The image filename to create
 439  * @param const char *dir The directory that is being read
 440  * @param struct fsnode *root The root node of the filesystem tree
 441  * @param struct fsinfo_t *fsopts Any options
 442  */
 443 void
 444 cd9660_makefs(const char *image, const char *dir, fsnode *root,
 445     fsinfo_t *fsopts)
 446 {
 447         int64_t startoffset;
 448         int numDirectories;
 449         uint64_t pathTableSectors;
 450         int64_t firstAvailableSector;
 451         int64_t totalSpace;
 452         int error;
 453         cd9660node *real_root;
 454
 455         if (diskStructure.verbose_level > 0)
 456                 printf("cd9660_makefs: ISO level is %i\n",
 457                     diskStructure.isoLevel);
 458         if (diskStructure.isoLevel < 2 &&
 459             diskStructure.allow_multidot)
 460                 errx(1, "allow-multidot requires iso level of 2\n");
 461
 462         assert(image != NULL);
 463         assert(dir != NULL);
 464         assert(root != NULL);
 465
 466         if (diskStructure.displayHelp) {
 467                 /*
 468                  * Display help here - probably want to put it in
 469                  * a separate function
 470                  */
 471                 return;
 472         }
 473
 474         if (diskStructure.verbose_level > 0)
 475                 printf("cd9660_makefs: image %s directory %s root %p\n",
 476                     image, dir, root);
 477
 478         /* Set up some constants. Later, these will be defined with options */
 479
 480         /* Counter needed for path tables */
 481         numDirectories = 0;
 482
 483         /* Convert tree to our own format */
 484         /* Actually, we now need to add the REAL root node, at level 0 */
 485
 486         real_root = cd9660_allocate_cd9660node();
 487         if ((real_root->isoDirRecord =
 488                 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) {
 489                 CD9660_MEM_ALLOC_ERROR("cd9660_makefs");
 490                 exit(1);
 491         }
 492
 493         /* Leave filename blank for root */
 494         memset(real_root->isoDirRecord->name, 0,
 495             ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 496
 497         real_root->level = 0;
 498         diskStructure.rootNode = real_root;
 499         real_root->type = CD9660_TYPE_DIR;
 500         error = 0;
 501         real_root->node = root;
 502         cd9660_convert_structure(root, real_root, 1, &numDirectories, &error);
 503
 504         if (TAILQ_EMPTY(&real_root->cn_children)) {
 505                 errx(1, "cd9660_makefs: converted directory is empty. "
 506                         "Tree conversion failed\n");
 507         } else if (error != 0) {
 508                 errx(1, "cd9660_makefs: tree conversion failed\n");
 509         } else {
 510                 if (diskStructure.verbose_level > 0)
 511                         printf("cd9660_makefs: tree converted\n");
 512         }
 513
 514         /* Add the dot and dot dot records */
 515         cd9660_add_dot_records(real_root);
 516
 517         cd9660_setup_root_node();
 518
 519         if (diskStructure.verbose_level > 0)
 520                 printf("cd9660_makefs: done converting tree\n");
 521
 522         /* non-SUSP extensions */
 523         if (diskStructure.archimedes_enabled)
 524                 archimedes_convert_tree(diskStructure.rootNode);
 525
 526         /* Rock ridge / SUSP init pass */
 527         if (diskStructure.rock_ridge_enabled) {
 528                 cd9660_susp_initialize(diskStructure.rootNode,
 529                     diskStructure.rootNode, NULL);
 530         }
 531
 532         /* Build path table structure */
 533         diskStructure.pathTableLength = cd9660_generate_path_table();
 534
 535         pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize,
 536                 diskStructure.pathTableLength);
 537
 538         firstAvailableSector = cd9660_setup_volume_descriptors();
 539         if (diskStructure.is_bootable) {
 540                 firstAvailableSector = cd9660_setup_boot(firstAvailableSector);
 541                 if (firstAvailableSector < 0)
 542                         errx(1, "setup_boot failed");
 543         }
 544         /* LE first, then BE */
 545         diskStructure.primaryLittleEndianTableSector = firstAvailableSector;
 546         diskStructure.primaryBigEndianTableSector =
 547                 diskStructure.primaryLittleEndianTableSector + pathTableSectors;
 548
 549         /* Set the secondary ones to -1, not going to use them for now */
 550         diskStructure.secondaryBigEndianTableSector = -1;
 551         diskStructure.secondaryLittleEndianTableSector = -1;
 552
 553         diskStructure.dataFirstSector =
 554             diskStructure.primaryBigEndianTableSector + pathTableSectors;
 555         if (diskStructure.verbose_level > 0)
 556                 printf("cd9660_makefs: Path table conversion complete. "
 557                        "Each table is %i bytes, or %" PRIu64 " sectors.\n",
 558                     diskStructure.pathTableLength, pathTableSectors);
 559
 560         startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector;
 561
 562         totalSpace = cd9660_compute_offsets(real_root, startoffset);
 563
 564         diskStructure.totalSectors = diskStructure.dataFirstSector +
 565                 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace);
 566
 567         /* Disabled until pass 1 is done */
 568         if (diskStructure.rock_ridge_enabled) {
 569                 diskStructure.susp_continuation_area_start_sector =
 570                     diskStructure.totalSectors;
 571                 diskStructure.totalSectors +=
 572                     CD9660_BLOCKS(diskStructure.sectorSize,
 573                         diskStructure.susp_continuation_area_size);
 574                 cd9660_susp_finalize(diskStructure.rootNode);
 575         }
 576
 577
 578         cd9660_finalize_PVD();
 579
 580         /* Add padding sectors, just for testing purposes right now */
 581         /* diskStructure.totalSectors+=150; */
 582
 583         /* Debugging output */
 584         if (diskStructure.verbose_level > 0) {
 585                 printf("cd9660_makefs: Sectors 0-15 reserved\n");
 586                 printf("cd9660_makefs: Primary path tables starts in sector %"
 587                     PRId64 "\n", diskStructure.primaryLittleEndianTableSector);
 588                 printf("cd9660_makefs: File data starts in sector %"
 589                     PRId64 "\n", diskStructure.dataFirstSector);
 590                 printf("cd9660_makefs: Total sectors: %"
 591                     PRId64 "\n", diskStructure.totalSectors);
 592         }
 593
 594         /*
 595          * Add padding sectors at the end
 596          * TODO: Clean this up and separate padding
 597          */
 598         if (diskStructure.include_padding_areas)
 599                 diskStructure.totalSectors += 150;
 600
 601         cd9660_write_image(image);
 602
 603         if (diskStructure.verbose_level > 1) {
 604                 debug_print_volume_descriptor_information();
 605                 debug_print_tree(real_root,0);
 606                 debug_print_path_tree(real_root);
 607         }
 608
 609         /* Clean up data structures */
 610         cd9660_free_structure(real_root);
 611
 612         if (diskStructure.verbose_level > 0)
 613                 printf("cd9660_makefs: done\n");
 614 }
 615
 616 /* Generic function pointer - implement later */
 617 typedef int (*cd9660node_func)(cd9660node *);
 618
 619 static void
 620 cd9660_finalize_PVD(void)
 621 {
 622         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 623
 624         /* root should be a fixed size of 34 bytes since it has no name */
 625         memcpy(diskStructure.primaryDescriptor.root_directory_record,
 626                 diskStructure.rootNode->dot_record->isoDirRecord, 34);
 627
 628         /* In RRIP, this might be longer than 34 */
 629         diskStructure.primaryDescriptor.root_directory_record[0] = 34;
 630
 631         /* Set up all the important numbers in the PVD */
 632         cd9660_bothendian_dword(diskStructure.totalSectors,
 633             (unsigned char *)diskStructure.primaryDescriptor.volume_space_size);
 634         cd9660_bothendian_word(1,
 635             (unsigned char *)diskStructure.primaryDescriptor.volume_set_size);
 636         cd9660_bothendian_word(1,
 637             (unsigned char *)
 638                 diskStructure.primaryDescriptor.volume_sequence_number);
 639         cd9660_bothendian_word(diskStructure.sectorSize,
 640             (unsigned char *)
 641                 diskStructure.primaryDescriptor.logical_block_size);
 642         cd9660_bothendian_dword(diskStructure.pathTableLength,
 643             (unsigned char *)diskStructure.primaryDescriptor.path_table_size);
 644
 645         cd9660_731(diskStructure.primaryLittleEndianTableSector,
 646                 (u_char *)diskStructure.primaryDescriptor.type_l_path_table);
 647         cd9660_732(diskStructure.primaryBigEndianTableSector,
 648                 (u_char *)diskStructure.primaryDescriptor.type_m_path_table);
 649
 650         diskStructure.primaryDescriptor.file_structure_version[0] = 1;
 651
 652         /* Pad all strings with spaces instead of nulls */
 653         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32);
 654         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32);
 655         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id,
 656             128);
 657         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id,
 658             128);
 659         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id,
 660             128);
 661         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id,
 662             128);
 663         cd9660_pad_string_spaces(
 664             diskStructure.primaryDescriptor.copyright_file_id, 37);
 665         cd9660_pad_string_spaces(
 666                 diskStructure.primaryDescriptor.abstract_file_id, 37);
 667         cd9660_pad_string_spaces(
 668                 diskStructure.primaryDescriptor.bibliographic_file_id, 37);
 669
 670         /* Setup dates */
 671         cd9660_time_8426(
 672             (unsigned char *)diskStructure.primaryDescriptor.creation_date,
 673             tstamp);
 674         cd9660_time_8426(
 675             (unsigned char *)diskStructure.primaryDescriptor.modification_date,
 676             tstamp);
 677
 678 #if 0
 679         cd9660_set_date(diskStructure.primaryDescriptor.expiration_date,
 680             tstamp);
 681 #endif
 682
 683         memset(diskStructure.primaryDescriptor.expiration_date, '0', 16);
 684         diskStructure.primaryDescriptor.expiration_date[16] = 0;
 685         cd9660_time_8426(
 686             (unsigned char *)diskStructure.primaryDescriptor.effective_date,
 687             tstamp);
 688         /* make this sane */
 689         cd9660_time_915(diskStructure.rootNode->dot_record->isoDirRecord->date,
 690             tstamp);
 691 }
 692
 693 static void
 694 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
 695                                u_char ext_attr_length, u_char flags,
 696                                u_char name_len, const char * name)
 697 {
 698         record->ext_attr_length[0] = ext_attr_length;
 699         record->flags[0] = ISO_FLAG_CLEAR | flags;
 700         record->file_unit_size[0] = 0;
 701         record->interleave[0] = 0;
 702         cd9660_bothendian_word(1, record->volume_sequence_number);
 703         record->name_len[0] = name_len;
 704         memset(record->name, '\0', sizeof (record->name));
 705         memcpy(record->name, name, name_len);
 706         record->length[0] = 33 + name_len;
 707
 708         /* Todo : better rounding */
 709         record->length[0] += (record->length[0] & 1) ? 1 : 0;
 710 }
 711
 712 static void
 713 cd9660_setup_root_node(void)
 714 {
 715         cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord,
 716             0, ISO_FLAG_DIRECTORY, 1, "\0");
 717
 718 }
 719
 720 /*********** SUPPORT FUNCTIONS ***********/
 721 static int
 722 cd9660_setup_volume_descriptors(void)
 723 {
 724         /* Boot volume descriptor should come second */
 725         int sector = 16;
 726         /* For now, a fixed 2 : PVD and terminator */
 727         volume_descriptor *temp, *t;
 728
 729         /* Set up the PVD */
 730         if ((temp = malloc(sizeof(volume_descriptor))) == NULL) {
 731                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 732                 exit(1);
 733         }
 734
 735         temp->volumeDescriptorData =
 736            (unsigned char *)&diskStructure.primaryDescriptor;
 737         temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
 738         temp->volumeDescriptorData[6] = 1;
 739         temp->sector = sector;
 740         memcpy(temp->volumeDescriptorData + 1,
 741             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 742         diskStructure.firstVolumeDescriptor = temp;
 743
 744         sector++;
 745         /* Set up boot support if enabled. BVD must reside in sector 17 */
 746         if (diskStructure.is_bootable) {
 747                 if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
 748                         CD9660_MEM_ALLOC_ERROR(
 749                             "cd9660_setup_volume_descriptors");
 750                         exit(1);
 751                 }
 752                 if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
 753                         CD9660_MEM_ALLOC_ERROR(
 754                             "cd9660_setup_volume_descriptors");
 755                         exit(1);
 756                 }
 757                 temp->next = t;
 758                 temp = t;
 759                 memset(t->volumeDescriptorData, 0, 2048);
 760                 t->sector = 17;
 761                 if (diskStructure.verbose_level > 0)
 762                         printf("Setting up boot volume descriptor\n");
 763                 cd9660_setup_boot_volume_descriptor(t);
 764                 sector++;
 765         }
 766
 767         /* Set up the terminator */
 768         if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
 769                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 770                 exit(1);
 771         }
 772         if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
 773                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 774                 exit(1);
 775         }
 776
 777         temp->next = t;
 778         memset(t->volumeDescriptorData, 0, 2048);
 779         t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
 780         t->next = NULL;
 781         t->volumeDescriptorData[6] = 1;
 782         t->sector = sector;
 783         memcpy(t->volumeDescriptorData + 1,
 784             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 785
 786         sector++;
 787         return sector;
 788 }
 789
 790 #if 0
 791 /*
 792  * Populate EAR at some point. Not required, but is used by NetBSD's
 793  * cd9660 support
 794  */
 795 static int
 796 cd9660_fill_extended_attribute_record(cd9660node *node)
 797 {
 798         if ((node->isoExtAttributes =
 799             malloc(sizeof(struct iso_extended_attributes))) == NULL) {
 800                 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record");
 801                 exit(1);
 802         };
 803
 804         return 1;
 805 }
 806 #endif
 807
 808 static int
 809 cd9660_translate_node_common(cd9660node *newnode)
 810 {
 811         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 812         int test;
 813         u_char flag;
 814         char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
 815
 816         /* Now populate the isoDirRecord structure */
 817         memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 818
 819         test = cd9660_convert_filename(newnode->node->name,
 820                 temp, !(S_ISDIR(newnode->node->type)));
 821
 822         flag = ISO_FLAG_CLEAR;
 823         if (S_ISDIR(newnode->node->type))
 824                 flag |= ISO_FLAG_DIRECTORY;
 825
 826         cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
 827             flag, strlen(temp), temp);
 828
 829         /* Set the various dates */
 830
 831         /* If we want to use the current date and time */
 832
 833         cd9660_time_915(newnode->isoDirRecord->date, tstamp);
 834
 835         cd9660_bothendian_dword(newnode->fileDataLength,
 836             newnode->isoDirRecord->size);
 837         /* If the file is a link, we want to set the size to 0 */
 838         if (S_ISLNK(newnode->node->type))
 839                 newnode->fileDataLength = 0;
 840
 841         return 1;
 842 }
 843
 844 /*
 845  * Translate fsnode to cd9660node
 846  * Translate filenames and other metadata, including dates, sizes,
 847  * permissions, etc
 848  * @param struct fsnode * The node generated by makefs
 849  * @param struct cd9660node * The intermediate node to be written to
 850  * @returns int 0 on failure, 1 on success
 851  */
 852 static int
 853 cd9660_translate_node(fsnode *node, cd9660node *newnode)
 854 {
 855         if (node == NULL) {
 856                 if (diskStructure.verbose_level > 0)
 857                         printf("cd9660_translate_node: NULL node passed, "
 858                                "returning\n");
 859                 return 0;
 860         }
 861         if ((newnode->isoDirRecord =
 862                 malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
 863                 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node");
 864                 return 0;
 865         }
 866
 867         /* Set the node pointer */
 868         newnode->node = node;
 869
 870         /* Set the size */
 871         if (!(S_ISDIR(node->type)))
 872                 newnode->fileDataLength = node->inode->st.st_size;
 873
 874         if (cd9660_translate_node_common(newnode) == 0)
 875                 return 0;
 876
 877         /* Finally, overwrite some of the values that are set by default */
 878         cd9660_time_915(newnode->isoDirRecord->date,
 879             stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
 880
 881         return 1;
 882 }
 883
 884 /*
 885  * Compares two ISO filenames
 886  * @param const char * The first file name
 887  * @param const char * The second file name
 888  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
 889  *      the second is greater than the first
 890  */
 891 static int
 892 cd9660_compare_filename(const char *first, const char *second)
 893 {
 894         /*
 895          * This can be made more optimal once it has been tested
 896          * (the extra character, for example, is for testing)
 897          */
 898
 899         int p1 = 0;
 900         int p2 = 0;
 901         char c1, c2;
 902         /* First, on the filename */
 903
 904         while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
 905                 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
 906                 c1 = first[p1];
 907                 c2 = second[p2];
 908                 if (c1 == '.' && c2 =='.')
 909                         break;
 910                 else if (c1 == '.') {
 911                         p2++;
 912                         c1 = ' ';
 913                 } else if (c2 == '.') {
 914                         p1++;
 915                         c2 = ' ';
 916                 } else {
 917                         p1++;
 918                         p2++;
 919                 }
 920
 921                 if (c1 < c2)
 922                         return -1;
 923                 else if (c1 > c2) {
 924                         return 1;
 925                 }
 926         }
 927
 928         if (first[p1] == '.' && second[p2] == '.') {
 929                 p1++;
 930                 p2++;
 931                 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
 932                         && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
 933                         c1 = first[p1];
 934                         c2 = second[p2];
 935                         if (c1 == ';' && c2 == ';')
 936                                 break;
 937                         else if (c1 == ';') {
 938                                 p2++;
 939                                 c1 = ' ';
 940                         } else if (c2 == ';') {
 941                                 p1++;
 942                                 c2 = ' ';
 943                         } else {
 944                                 p1++;
 945                                 p2++;
 946                         }
 947
 948                         if (c1 < c2)
 949                                 return -1;
 950                         else if (c1 > c2)
 951                                 return 1;
 952                 }
 953         }
 954         return 0;
 955 }
 956
 957 /*
 958  * Insert a node into list with ISO sorting rules
 959  * @param cd9660node * The head node of the list
 960  * @param cd9660node * The node to be inserted
 961  */
 962 static void
 963 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
 964 {
 965         int compare;
 966         cd9660node *cn;
 967         struct cd9660_children_head *head = &parent->cn_children;
 968
 969         /* TODO: Optimize? */
 970         cn_new->parent = parent;
 971
 972         /*
 973          * first will either be 0, the . or the ..
 974          * if . or .., this means no other entry may be written before first
 975          * if 0, the new node may be inserted at the head
 976          */
 977
 978         TAILQ_FOREACH(cn, head, cn_next_child) {
 979                 /*
 980                  * Dont insert a node twice -
 981                  * that would cause an infinite loop
 982                  */
 983                 if (cn_new == cn)
 984                         return;
 985
 986                 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
 987                         cn->isoDirRecord->name);
 988
 989                 if (compare == 0)
 990                         compare = cd9660_compare_filename(cn_new->node->name,
 991                                 cn->node->name);
 992
 993                 if (compare < 0)
 994                         break;
 995         }
 996         if (cn == NULL)
 997                 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
 998         else
 999                 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1000 }
1001
1002 /*
1003  * Called After cd9660_sorted_child_insert
1004  * handles file collisions by suffixing each filname with ~n
1005  * where n represents the files respective place in the ordering
1006  */
1007 static int
1008 cd9660_handle_collisions(cd9660node *colliding, int past)
1009 {
1010         cd9660node *iter, *next, *prev;
1011         int skip;
1012         int delete_chars = 0;
1013         int temp_past = past;
1014         int temp_skip;
1015         int flag = 0;
1016         cd9660node *end_of_range;
1017
1018         for (iter = TAILQ_FIRST(&colliding->cn_children);
1019              iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1020                 if (strcmp(iter->isoDirRecord->name,
1021                            next->isoDirRecord->name) != 0) {
1022                         iter = TAILQ_NEXT(iter, cn_next_child);
1023                         continue;
1024                 }
1025                 flag = 1;
1026                 temp_skip = skip = cd9660_count_collisions(iter);
1027                 end_of_range = iter;
1028                 while (temp_skip > 0) {
1029                         temp_skip--;
1030                         end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1031                 }
1032                 temp_past = past;
1033                 while (temp_past > 0) {
1034                         if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1035                                 end_of_range = next;
1036                         else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1037                                 iter = prev;
1038                         else
1039                                 delete_chars++;
1040                         temp_past--;
1041                 }
1042                 skip += past;
1043                 iter = cd9660_rename_filename(iter, skip, delete_chars);
1044         }
1045         return flag;
1046 }
1047
1048
1049 static cd9660node *
1050 cd9660_rename_filename(cd9660node *iter, int num, int delete_chars)
1051 {
1052         int i = 0;
1053         int numbts, digit, digits, temp, powers, count;
1054         char *naming;
1055         int maxlength;
1056         char *tmp;
1057
1058         if (diskStructure.verbose_level > 0)
1059                 printf("Rename_filename called\n");
1060
1061         assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2);
1062         /* TODO : A LOT of chanes regarding 8.3 filenames */
1063         if (diskStructure.isoLevel == 1)
1064                 maxlength = 8;
1065         else if (diskStructure.isoLevel == 2)
1066                 maxlength = 31;
1067         else
1068                 maxlength = ISO_FILENAME_MAXLENGTH_BEFORE_VERSION;
1069
1070         tmp = malloc(ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1071
1072         while (i < num) {
1073                 powers = 1;
1074                 count = 0;
1075                 digits = 1;
1076                 while (((int)(i / powers) ) >= 10) {
1077                         digits++;
1078                         powers = powers * 10;
1079                 }
1080
1081                 naming = iter->o_name;
1082
1083                 /*
1084                 while ((*naming != '.') && (*naming != ';')) {
1085                         naming++;
1086                         count++;
1087                 }
1088                 */
1089
1090                 while (count < maxlength) {
1091                         if (*naming == ';')
1092                                 break;
1093                         naming++;
1094                         count++;
1095                 }
1096
1097                 if ((count + digits) < maxlength)
1098                         numbts = count;
1099                 else
1100                         numbts = maxlength - (digits);
1101                 numbts -= delete_chars;
1102
1103                 /* 8.3 rules - keep the extension, add before the dot */
1104
1105                 /*
1106                  * This code makes a bunch of assumptions.
1107                  * See if you can spot them all :)
1108                  */
1109
1110                 /*
1111                 if (diskStructure.isoLevel == 1) {
1112                         numbts = 8 - digits - delete_chars;
1113                         if (dot < 0) {
1114
1115                         } else {
1116                                 if (dot < 8) {
1117                                         memmove(&tmp[numbts],&tmp[dot],4);
1118                                 }
1119                         }
1120                 }
1121                 */
1122
1123                 /* (copying just the filename before the '.' */
1124                 memcpy(tmp, (iter->o_name), numbts);
1125
1126                 /* adding the appropriate number following the name */
1127                 temp = i;
1128                 while (digits > 0) {
1129                         digit = (int)(temp / powers);
1130                         temp = temp - digit * powers;
1131                         sprintf(&tmp[numbts] , "%d", digit);
1132                         digits--;
1133                         numbts++;
1134                         powers = powers / 10;
1135                 }
1136
1137                 while ((*naming != ';')  && (numbts < maxlength)) {
1138                         tmp[numbts] = (*naming);
1139                         naming++;
1140                         numbts++;
1141                 }
1142
1143                 tmp[numbts] = ';';
1144                 tmp[numbts+1] = '1';
1145                 tmp[numbts+2] = '\0';
1146
1147                 /*
1148                  * now tmp has exactly the identifier
1149                  * we want so we'll copy it back to record
1150                  */
1151                 memcpy((iter->isoDirRecord->name), tmp, numbts + 3);
1152
1153                 iter = TAILQ_NEXT(iter, cn_next_child);
1154                 i++;
1155         }
1156
1157         free(tmp);
1158         return iter;
1159 }
1160
1161 /* Todo: Figure out why these functions are nec. */
1162 static void
1163 cd9660_copy_filenames(cd9660node *node)
1164 {
1165         cd9660node *cn;
1166
1167         if (TAILQ_EMPTY(&node->cn_children))
1168                 return;
1169
1170         if (TAILQ_FIRST(&node->cn_children)->isoDirRecord == NULL) {
1171                 debug_print_tree(diskStructure.rootNode, 0);
1172                 exit(1);
1173         }
1174
1175         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1176                 cd9660_copy_filenames(cn);
1177                 memcpy(cn->o_name, cn->isoDirRecord->name,
1178                     ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1179         }
1180 }
1181
1182 static void
1183 cd9660_sorting_nodes(cd9660node *node)
1184 {
1185         cd9660node *cn;
1186
1187         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child)
1188                 cd9660_sorting_nodes(cn);
1189         cd9660_sort_nodes(node);
1190 }
1191
1192 /* XXX Bubble sort. */
1193 static void
1194 cd9660_sort_nodes(cd9660node *node)
1195 {
1196         cd9660node *cn, *next;
1197
1198         do {
1199                 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1200                         if ((next = TAILQ_NEXT(cn, cn_next_child)) == NULL)
1201                                 return;
1202                         else if (strcmp(next->isoDirRecord->name,
1203                                         cn->isoDirRecord->name) >= 0)
1204                                 continue;
1205                         TAILQ_REMOVE(&node->cn_children, next, cn_next_child);
1206                         TAILQ_INSERT_BEFORE(cn, next, cn_next_child);
1207                         break;
1208                 }
1209         } while (cn != NULL);
1210 }
1211
1212 static int
1213 cd9660_count_collisions(cd9660node *copy)
1214 {
1215         int count = 0;
1216         cd9660node *iter, *next;
1217
1218         for (iter = copy;
1219              (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;
1220              iter = next) {
1221                 if (cd9660_compare_filename(iter->isoDirRecord->name,
1222                         next->isoDirRecord->name) == 0)
1223                         count++;
1224                 else
1225                         return count;
1226         }
1227 #if 0
1228         if ((next = TAILQ_NEXT(iter, cn_next_child)) != NULL) {
1229                 printf("cd9660_recurse_on_collision: count is %i \n", count);
1230                 compare = cd9660_compare_filename(iter->isoDirRecord->name,
1231                         next->isoDirRecord->name);
1232                 if (compare == 0) {
1233                         count++;
1234                         return cd9660_recurse_on_collision(next, count);
1235                 } else
1236                         return count;
1237         }
1238 #endif
1239         return count;
1240 }
1241
1242 static cd9660node *
1243 cd9660_rrip_move_directory(cd9660node *dir)
1244 {
1245         char newname[9];
1246         cd9660node *tfile;
1247
1248         /*
1249          * This function needs to:
1250          * 1) Create an empty virtual file in place of the old directory
1251          * 2) Point the virtual file to the new directory
1252          * 3) Point the relocated directory to its old parent
1253          * 4) Move the directory specified by dir into rr_moved_dir,
1254          * and rename it to "diskStructure.rock_ridge_move_count" (as a string)
1255          */
1256
1257         /* First see if the moved directory even exists */
1258         if (diskStructure.rr_moved_dir == NULL) {
1259                 diskStructure.rr_moved_dir =
1260                         cd9660_create_directory(ISO_RRIP_DEFAULT_MOVE_DIR_NAME,
1261                                 diskStructure.rootNode, dir);
1262                 if (diskStructure.rr_moved_dir == NULL)
1263                         return 0;
1264                 cd9660_time_915(diskStructure.rr_moved_dir->isoDirRecord->date,
1265                     stampst.st_ino ? stampst.st_mtime : start_time.tv_sec);
1266         }
1267
1268         /* Create a file with the same ORIGINAL name */
1269         tfile = cd9660_create_file(dir->node->name, dir->parent, 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(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(cn);
1319         }
1320         cd9660_create_special_directory(CD9660_TYPE_DOT, root);
1321         cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root);
1322         return 1;
1323 }
1324
1325 /*
1326  * Convert node to cd9660 structure
1327  * This function is designed to be called recursively on the root node of
1328  * the filesystem
1329  * Lots of recursion going on here, want to make sure it is efficient
1330  * @param struct fsnode * The root node to be converted
1331  * @param struct cd9660* The parent node (should not be NULL)
1332  * @param int Current directory depth
1333  * @param int* Running count of the number of directories that are being created
1334  */
1335 static void
1336 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level,
1337                          int *numDirectories, int *error)
1338 {
1339         fsnode *iterator = root;
1340         cd9660node *this_node;
1341         int working_level;
1342         int add;
1343         int flag = 0;
1344         int counter = 0;
1345
1346         /*
1347          * Newer, more efficient method, reduces recursion depth
1348          */
1349         if (root == NULL) {
1350                 warnx("%s: root is null\n", __func__);
1351                 return;
1352         }
1353
1354         /* Test for an empty directory - makefs still gives us the . record */
1355         if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1356                 && (root->name[1] == '\0')) {
1357                 root = root->next;
1358                 if (root == NULL)
1359                         return;
1360         }
1361         if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1362                 CD9660_MEM_ALLOC_ERROR(__func__);
1363         }
1364
1365         /*
1366          * To reduce the number of recursive calls, we will iterate over
1367          * the next pointers to the right.
1368          */
1369         while (iterator != NULL) {
1370                 add = 1;
1371                 /*
1372                  * Increment the directory count if this is a directory
1373                  * Ignore "." entries. We will generate them later
1374                  */
1375                 if (!S_ISDIR(iterator->type) ||
1376                     strcmp(iterator->name, ".") != 0) {
1377
1378                         /* Translate the node, including its filename */
1379                         this_node->parent = parent_node;
1380                         cd9660_translate_node(iterator, this_node);
1381                         this_node->level = level;
1382
1383                         if (S_ISDIR(iterator->type)) {
1384                                 (*numDirectories)++;
1385                                 this_node->type = CD9660_TYPE_DIR;
1386                                 working_level = level + 1;
1387
1388                                 /*
1389                                  * If at level 8, directory would be at 8
1390                                  * and have children at 9 which is not
1391                                  * allowed as per ISO spec
1392                                  */
1393                                 if (level == 8) {
1394                                         if ((!diskStructure.allow_deep_trees) &&
1395                                           (!diskStructure.rock_ridge_enabled)) {
1396                                                 warnx("error: found entry "
1397                                                      "with depth greater "
1398                                                      "than 8.");
1399                                                 (*error) = 1;
1400                                                 return;
1401                                         } else if (diskStructure.
1402                                                    rock_ridge_enabled) {
1403                                                 working_level = 3;
1404                                                 /*
1405                                                  * Moved directory is actually
1406                                                  * at level 2.
1407                                                  */
1408                                                 this_node->level =
1409                                                     working_level - 1;
1410                                                 if (cd9660_rrip_move_directory(
1411                                                         this_node) == NULL) {
1412                                                         warnx("Failure in "
1413                                                               "cd9660_rrip_"
1414                                                               "move_directory"
1415                                                         );
1416                                                         (*error) = 1;
1417                                                         return;
1418                                                 }
1419                                                 add = 0;
1420                                         }
1421                                 }
1422
1423                                 /* Do the recursive call on the children */
1424                                 if (iterator->child != NULL) {
1425                                         cd9660_convert_structure(
1426                                             iterator->child, this_node,
1427                                                 working_level,
1428                                                 numDirectories, error);
1429
1430                                         if ((*error) == 1) {
1431                                                 warnx("%s: Error on recursive "
1432                                                     "call", __func__);
1433                                                 return;
1434                                         }
1435                                 }
1436
1437                         } else {
1438                                 /* Only directories should have children */
1439                                 assert(iterator->child == NULL);
1440
1441                                 this_node->type = CD9660_TYPE_FILE;
1442                         }
1443
1444                         /*
1445                          * Finally, do a sorted insert
1446                          */
1447                         if (add) {
1448                                 cd9660_sorted_child_insert(
1449                                     parent_node, this_node);
1450                         }
1451
1452                         /*Allocate new temp_node */
1453                         if (iterator->next != NULL) {
1454                                 this_node = cd9660_allocate_cd9660node();
1455                                 if (this_node == NULL)
1456                                         CD9660_MEM_ALLOC_ERROR(__func__);
1457                         }
1458                 }
1459                 iterator = iterator->next;
1460         }
1461
1462         /* cd9660_handle_collisions(first_node); */
1463
1464         /* TODO: need cleanup */
1465         cd9660_copy_filenames(parent_node);
1466
1467         do {
1468                 flag = cd9660_handle_collisions(parent_node, counter);
1469                 counter++;
1470                 cd9660_sorting_nodes(parent_node);
1471         } while ((flag == 1) && (counter < 100));
1472 }
1473
1474 /*
1475  * Clean up the cd9660node tree
1476  * This is designed to be called recursively on the root node
1477  * @param struct cd9660node *root The node to free
1478  * @returns void
1479  */
1480 static void
1481 cd9660_free_structure(cd9660node *root)
1482 {
1483         cd9660node *cn;
1484
1485         while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1486                 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1487                 cd9660_free_structure(cn);
1488         }
1489         free(root);
1490 }
1491
1492 /*
1493  * Be a little more memory conservative:
1494  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1495  * just create a temporary structure
1496  */
1497 struct ptq_entry
1498 {
1499         TAILQ_ENTRY(ptq_entry) ptq;
1500         cd9660node *node;
1501 } *n;
1502
1503 #define PTQUEUE_NEW(n,s,r,t){\
1504         n = malloc(sizeof(struct s));   \
1505         if (n == NULL)  \
1506                 return r; \
1507         n->node = t;\
1508 }
1509
1510 /*
1511  * Generate the path tables
1512  * The specific implementation of this function is left as an exercise to the
1513  * programmer. It could be done recursively. Make sure you read how the path
1514  * table has to be laid out, it has levels.
1515  * @param struct iso9660_disk *disk The disk image
1516  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1517  */
1518 static int
1519 cd9660_generate_path_table(void)
1520 {
1521         cd9660node *cn, *dirNode = diskStructure.rootNode;
1522         cd9660node *last = dirNode;
1523         int pathTableSize = 0;  /* computed as we go */
1524         int counter = 1;        /* root gets a count of 0 */
1525
1526         TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1527         TAILQ_INIT(&pt_head);
1528
1529         PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode);
1530
1531         /* Push the root node */
1532         TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1533
1534         /* Breadth-first traversal of file structure */
1535         while (pt_head.tqh_first != 0) {
1536                 n = pt_head.tqh_first;
1537                 dirNode = n->node;
1538                 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1539                 free(n);
1540
1541                 /* Update the size */
1542                 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1543                     + dirNode->isoDirRecord->name_len[0]+
1544                         (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1545                         /* includes the padding bit */
1546
1547                 dirNode->ptnumber=counter;
1548                 if (dirNode != last) {
1549                         last->ptnext = dirNode;
1550                         dirNode->ptprev = last;
1551                 }
1552                 last = dirNode;
1553
1554                 /* Push children onto queue */
1555                 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1556                         /*
1557                          * Dont add the DOT and DOTDOT types to the path
1558                          * table.
1559                          */
1560                         if ((cn->type != CD9660_TYPE_DOT)
1561                                 && (cn->type != CD9660_TYPE_DOTDOT)) {
1562
1563                                 if (S_ISDIR(cn->node->type)) {
1564                                         PTQUEUE_NEW(n, ptq_entry, -1, cn);
1565                                         TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1566                                 }
1567                         }
1568                 }
1569                 counter++;
1570         }
1571         return pathTableSize;
1572 }
1573
1574 void
1575 cd9660_compute_full_filename(cd9660node *node, char *buf)
1576 {
1577         int len;
1578
1579         len = CD9660MAXPATH + 1;
1580         len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1581             node->node->path, node->node->name);
1582         if (len > CD9660MAXPATH)
1583                 errx(1, "Pathname too long.");
1584 }
1585
1586 /* NEW filename conversion method */
1587 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int);
1588
1589
1590 /*
1591  * TODO: These two functions are almost identical.
1592  * Some code cleanup is possible here
1593  *
1594  * XXX bounds checking!
1595  */
1596 static int
1597 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
1598 {
1599         /*
1600          * ISO 9660 : 10.1
1601          * File Name shall not contain more than 8 d or d1 characters
1602          * File Name Extension shall not contain more than 3 d or d1 characters
1603          * Directory Identifier shall not contain more than 8 d or d1 characters
1604          */
1605         int namelen = 0;
1606         int extlen = 0;
1607         int found_ext = 0;
1608
1609         while (*oldname != '\0' && extlen < 3) {
1610                 /* Handle period first, as it is special */
1611                 if (*oldname == '.') {
1612                         if (found_ext) {
1613                                 *newname++ = '_';
1614                                 extlen ++;
1615                         }
1616                         else {
1617                                 *newname++ = '.';
1618                                 found_ext = 1;
1619                         }
1620                 } else {
1621                         /* cut RISC OS file type off ISO name */
1622                         if (diskStructure.archimedes_enabled &&
1623                             *oldname == ',' && strlen(oldname) == 4)
1624                                 break;
1625                         /* Enforce 12.3 / 8 */
1626                         if (namelen == 8 && !found_ext)
1627                                 break;
1628
1629                         if (islower((unsigned char)*oldname))
1630                                 *newname++ = toupper((unsigned char)*oldname);
1631                         else if (isupper((unsigned char)*oldname)
1632                                     || isdigit((unsigned char)*oldname))
1633                                 *newname++ = *oldname;
1634                         else
1635                                 *newname++ = '_';
1636
1637                         if (found_ext)
1638                                 extlen++;
1639                         else
1640                                 namelen++;
1641                 }
1642                 oldname ++;
1643         }
1644         if (is_file) {
1645                 if (!found_ext && !diskStructure.omit_trailing_period)
1646                         *newname++ = '.';
1647                 /* Add version */
1648                 sprintf(newname, ";%i", 1);
1649         }
1650         return namelen + extlen + found_ext;
1651 }
1652
1653 /* XXX bounds checking! */
1654 static int
1655 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
1656 {
1657         /*
1658          * ISO 9660 : 7.5.1
1659          * File name : 0+ d or d1 characters
1660          * separator 1 (.)
1661          * File name extension : 0+ d or d1 characters
1662          * separator 2 (;)
1663          * File version number (5 characters, 1-32767)
1664          * 1 <= Sum of File name and File name extension <= 30
1665          */
1666         int namelen = 0;
1667         int extlen = 0;
1668         int found_ext = 0;
1669
1670         while (*oldname != '\0' && namelen + extlen < 30) {
1671                 /* Handle period first, as it is special */
1672                 if (*oldname == '.') {
1673                         if (found_ext) {
1674                                 if (diskStructure.allow_multidot) {
1675                                         *newname++ = '.';
1676                                 } else {
1677                                         *newname++ = '_';
1678                                 }
1679                                 extlen ++;
1680                         }
1681                         else {
1682                                 *newname++ = '.';
1683                                 found_ext = 1;
1684                         }
1685                 } else {
1686                         /* cut RISC OS file type off ISO name */
1687                         if (diskStructure.archimedes_enabled &&
1688                             *oldname == ',' && strlen(oldname) == 4)
1689                                 break;
1690
1691                          if (islower((unsigned char)*oldname))
1692                                 *newname++ = toupper((unsigned char)*oldname);
1693                         else if (isupper((unsigned char)*oldname) ||
1694                             isdigit((unsigned char)*oldname))
1695                                 *newname++ = *oldname;
1696                         else if (diskStructure.allow_multidot &&
1697                             *oldname == '.') {
1698                                 *newname++ = '.';
1699                         } else {
1700                                 *newname++ = '_';
1701                         }
1702
1703                         if (found_ext)
1704                                 extlen++;
1705                         else
1706                                 namelen++;
1707                 }
1708                 oldname ++;
1709         }
1710         if (is_file) {
1711                 if (!found_ext && !diskStructure.omit_trailing_period)
1712                         *newname++ = '.';
1713                 /* Add version */
1714                 sprintf(newname, ";%i", 1);
1715         }
1716         return namelen + extlen + found_ext;
1717 }
1718
1719 #if 0
1720 static int
1721 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file)
1722 {
1723         /* TODO: implement later, move to cd9660_joliet.c ?? */
1724 }
1725 #endif
1726
1727
1728 /*
1729  * Convert a file name to ISO compliant file name
1730  * @param char * oldname The original filename
1731  * @param char ** newname The new file name, in the appropriate character
1732  *                        set and of appropriate length
1733  * @param int 1 if file, 0 if directory
1734  * @returns int The length of the new string
1735  */
1736 static int
1737 cd9660_convert_filename(const char *oldname, char *newname, int is_file)
1738 {
1739         assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2);
1740         /* NEW */
1741         cd9660_filename_conversion_functor conversion_function = NULL;
1742         if (diskStructure.isoLevel == 1)
1743                 conversion_function = &cd9660_level1_convert_filename;
1744         else if (diskStructure.isoLevel == 2)
1745                 conversion_function = &cd9660_level2_convert_filename;
1746         return (*conversion_function)(oldname, newname, is_file);
1747 }
1748
1749 int
1750 cd9660_compute_record_size(cd9660node *node)
1751 {
1752         int size = node->isoDirRecord->length[0];
1753
1754         if (diskStructure.rock_ridge_enabled)
1755                 size += node->susp_entry_size;
1756         size += node->su_tail_size;
1757         size += size & 1; /* Ensure length of record is even. */
1758         assert(size <= 254);
1759         return size;
1760 }
1761
1762 static void
1763 cd9660_populate_dot_records(cd9660node *node)
1764 {
1765         node->dot_record->fileDataSector = node->fileDataSector;
1766         memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1767         node->dot_record->isoDirRecord->name_len[0] = 1;
1768         node->dot_record->isoDirRecord->name[0] = 0;
1769         node->dot_record->isoDirRecord->name[1] = 0;
1770         node->dot_record->isoDirRecord->length[0] = 34;
1771         node->dot_record->fileRecordSize =
1772             cd9660_compute_record_size(node->dot_record);
1773
1774         if (node == diskStructure.rootNode) {
1775                 node->dot_dot_record->fileDataSector = node->fileDataSector;
1776                 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1777                     34);
1778         } else {
1779                 node->dot_dot_record->fileDataSector =
1780                     node->parent->fileDataSector;
1781                 memcpy(node->dot_dot_record->isoDirRecord,
1782                     node->parent->isoDirRecord,34);
1783         }
1784         node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1785         node->dot_dot_record->isoDirRecord->name[0] = 1;
1786         node->dot_dot_record->isoDirRecord->name[1] = 0;
1787         node->dot_dot_record->isoDirRecord->length[0] = 34;
1788         node->dot_dot_record->fileRecordSize =
1789             cd9660_compute_record_size(node->dot_dot_record);
1790 }
1791
1792 /*
1793  * @param struct cd9660node *node The node
1794  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1795  * @returns int The total size of files and directory entries (should be
1796  *              a multiple of sector size)
1797 */
1798 static int64_t
1799 cd9660_compute_offsets(cd9660node *node, int64_t startOffset)
1800 {
1801         /*
1802          * This function needs to compute the size of directory records and
1803          * runs, file lengths, and set the appropriate variables both in
1804          * cd9660node and isoDirEntry
1805          */
1806         int64_t used_bytes = 0;
1807         int64_t current_sector_usage = 0;
1808         cd9660node *child;
1809         fsinode *inode;
1810         int64_t r;
1811
1812         assert(node != NULL);
1813
1814
1815         /*
1816          * NOTE : There needs to be some special case detection for
1817          * the "real root" node, since for it, node->node is undefined
1818          */
1819
1820         node->fileDataSector = -1;
1821
1822         if (node->type & CD9660_TYPE_DIR) {
1823                 node->fileRecordSize = cd9660_compute_record_size(node);
1824                 /*Set what sector this directory starts in*/
1825                 node->fileDataSector =
1826                     CD9660_BLOCKS(diskStructure.sectorSize,startOffset);
1827
1828                 cd9660_bothendian_dword(node->fileDataSector,
1829                     node->isoDirRecord->extent);
1830
1831                 /*
1832                  * First loop over children, need to know the size of
1833                  * their directory records
1834                  */
1835                 node->fileSectorsUsed = 1;
1836                 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1837                         node->fileDataLength +=
1838                             cd9660_compute_record_size(child);
1839                         if ((cd9660_compute_record_size(child) +
1840                             current_sector_usage) >=
1841                             diskStructure.sectorSize) {
1842                                 current_sector_usage = 0;
1843                                 node->fileSectorsUsed++;
1844                         }
1845
1846                         current_sector_usage +=
1847                             cd9660_compute_record_size(child);
1848                 }
1849
1850                 cd9660_bothendian_dword(node->fileSectorsUsed *
1851                         diskStructure.sectorSize,node->isoDirRecord->size);
1852
1853                 /*
1854                  * This should point to the sector after the directory
1855                  * record (or, the first byte in that sector)
1856                  */
1857                 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize;
1858
1859                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1860                      child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1861                         /* Directories need recursive call */
1862                         if (S_ISDIR(child->node->type)) {
1863                                 r = cd9660_compute_offsets(child,
1864                                     used_bytes + startOffset);
1865
1866                                 if (r != -1)
1867                                         used_bytes += r;
1868                                 else
1869                                         return -1;
1870                         }
1871                 }
1872
1873                 /* Explicitly set the . and .. records */
1874                 cd9660_populate_dot_records(node);
1875
1876                 /* Finally, do another iteration to write the file data*/
1877                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1878                      child != NULL;
1879                      child = TAILQ_NEXT(child, cn_next_child)) {
1880                         /* Files need extent set */
1881                         if (S_ISDIR(child->node->type))
1882                                 continue;
1883                         child->fileRecordSize =
1884                             cd9660_compute_record_size(child);
1885
1886                         child->fileSectorsUsed =
1887                             CD9660_BLOCKS(diskStructure.sectorSize,
1888                                 child->fileDataLength);
1889
1890                         inode = child->node->inode;
1891                         if ((inode->flags & FI_ALLOCATED) == 0) {
1892                                 inode->ino =
1893                                     CD9660_BLOCKS(diskStructure.sectorSize,
1894                                         used_bytes + startOffset);
1895                                 inode->flags |= FI_ALLOCATED;
1896                                 used_bytes += child->fileSectorsUsed *
1897                                     diskStructure.sectorSize;
1898                         } else {
1899                                 INODE_WARNX(("%s: already allocated inode %d "
1900                                       "data sectors at %" PRIu32, __func__,
1901                                       (int)inode->st.st_ino, inode->ino));
1902                         }
1903                         child->fileDataSector = inode->ino;
1904                         cd9660_bothendian_dword(child->fileDataSector,
1905                                 child->isoDirRecord->extent);
1906                 }
1907         }
1908
1909         return used_bytes;
1910 }
1911
1912 #if 0
1913 /* Might get rid of this func */
1914 static int
1915 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1916 {
1917         to->node->inode->st.st_dev = 0;
1918         to->node->inode->st.st_ino = 0;
1919         to->node->inode->st.st_size = 0;
1920         to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1921         to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1922         to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1923         to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1924         to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1925         to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1926         to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1927         /* Clear out type */
1928         to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1929         if (file)
1930                 to->node->inode->st.st_mode |= S_IFREG;
1931         else
1932                 to->node->inode->st.st_mode |= S_IFDIR;
1933         return 1;
1934 }
1935 #endif
1936
1937 static cd9660node *
1938 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file,
1939                             int insert)
1940 {
1941         cd9660node *temp;
1942         fsnode * tfsnode;
1943
1944         assert(parent != NULL);
1945
1946         temp = cd9660_allocate_cd9660node();
1947         if (temp == NULL)
1948                 return NULL;
1949
1950         if ((tfsnode = malloc(sizeof(fsnode))) == NULL) {
1951                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1952                 return NULL;
1953         }
1954
1955         /* Assume for now name is a valid length */
1956         if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) {
1957                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1958                 return NULL;
1959         }
1960
1961         if ((temp->isoDirRecord =
1962             malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
1963                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1964                 return NULL;
1965         }
1966
1967         strcpy(tfsnode->name, name);
1968
1969         cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file);
1970
1971         temp->node = tfsnode;
1972         temp->parent = parent;
1973
1974         if (insert) {
1975                 if (temp->parent != NULL) {
1976                         temp->level = temp->parent->level + 1;
1977                         if (!TAILQ_EMPTY(&temp->parent->cn_children))
1978                                 cd9660_sorted_child_insert(temp->parent, temp);
1979                         else
1980                                 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1981                                     temp, cn_next_child);
1982                 }
1983         }
1984
1985         if (parent->node != NULL) {
1986                 tfsnode->type = parent->node->type;
1987         }
1988
1989         /* Clear out file type bits */
1990         tfsnode->type &= ~(S_IFMT);
1991         if (file)
1992                 tfsnode->type |= S_IFREG;
1993         else
1994                 tfsnode->type |= S_IFDIR;
1995
1996         /* Indicate that there is no spec entry (inode) */
1997         tfsnode->flags &= ~(FSNODE_F_HASSPEC);
1998 #if 0
1999         cd9660_copy_stat_info(parent, temp, file);
2000 #endif
2001         return temp;
2002 }
2003
2004 static cd9660node *
2005 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me)
2006 {
2007         cd9660node *temp;
2008
2009         temp = cd9660_create_virtual_entry(name,parent,1,1);
2010         if (temp == NULL)
2011                 return NULL;
2012
2013         temp->fileDataLength = 0;
2014
2015         temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2016
2017         if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2018                 return NULL;
2019         *temp->node->inode = *me->node->inode;
2020
2021         if (cd9660_translate_node_common(temp) == 0)
2022                 return NULL;
2023         return temp;
2024 }
2025
2026 /*
2027  * Create a new directory which does not exist on disk
2028  * @param const char * name The name to assign to the directory
2029  * @param const char * parent Pointer to the parent directory
2030  * @returns cd9660node * Pointer to the new directory
2031  */
2032 static cd9660node *
2033 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me)
2034 {
2035         cd9660node *temp;
2036
2037         temp = cd9660_create_virtual_entry(name,parent,0,1);
2038         if (temp == NULL)
2039                 return NULL;
2040         temp->node->type |= S_IFDIR;
2041
2042         temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2043
2044         if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2045                 return NULL;
2046         *temp->node->inode = *me->node->inode;
2047
2048         if (cd9660_translate_node_common(temp) == 0)
2049                 return NULL;
2050         return temp;
2051 }
2052
2053 static cd9660node *
2054 cd9660_create_special_directory(u_char type, cd9660node *parent)
2055 {
2056         cd9660node *temp, *first;
2057         char na[2];
2058
2059         assert(parent != NULL);
2060
2061         if (type == CD9660_TYPE_DOT)
2062                 na[0] = 0;
2063         else if (type == CD9660_TYPE_DOTDOT)
2064                 na[0] = 1;
2065         else
2066                 return 0;
2067
2068         na[1] = 0;
2069         if ((temp = cd9660_create_virtual_entry(na, parent, 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 int
2100 cd9660_add_generic_bootimage(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         if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) {
2112                 warn("%s: strdup", __func__);
2113                 return 0;
2114         }
2115
2116         /* Get information about the file */
2117         if (lstat(diskStructure.generic_bootimage, &stbuf) == -1)
2118                 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2119                     diskStructure.generic_bootimage);
2120
2121         if (stbuf.st_size > 32768) {
2122                 warnx("Error: Boot image must be no greater than 32768 bytes");
2123                 return 0;
2124         }
2125
2126         if (diskStructure.verbose_level > 0) {
2127                 printf("Generic boot image image has size %lld\n",
2128                     (long long)stbuf.st_size);
2129         }
2130
2131         diskStructure.has_generic_bootimage = 1;
2132
2133         return 1;
2134 }