usr.sbin/makefs/cd9660.c

   1 /*      $NetBSD: cd9660.c,v 1.32 2011/08/23 17:09:11 christos Exp $     */
   2
   3 /*
   4  * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
   5  * Perez-Rathke and Ram Vedam.  All rights reserved.
   6  *
   7  * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
   8  * Alan Perez-Rathke and Ram Vedam.
   9  *
  10  * Redistribution and use in source and binary forms, with or
  11  * without modification, are permitted provided that the following
  12  * conditions are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above
  16  *    copyright notice, this list of conditions and the following
  17  *    disclaimer in the documentation and/or other materials provided
  18  *    with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
  21  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  24  * DISCLAIMED.  IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
  25  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  28  * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  29  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  32  * OF SUCH DAMAGE.
  33  */
  34 /*
  35  * Copyright (c) 2001 Wasabi Systems, Inc.
  36  * All rights reserved.
  37  *
  38  * Written by Luke Mewburn for Wasabi Systems, Inc.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  * 3. All advertising materials mentioning features or use of this software
  49  *    must display the following acknowledgement:
  50  *      This product includes software developed for the NetBSD Project by
  51  *      Wasabi Systems, Inc.
  52  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  53  *    or promote products derived from this software without specific prior
  54  *    written permission.
  55  *
  56  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
  57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  58  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  59  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
  60  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  61  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  62  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  63  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  64  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  65  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  66  * POSSIBILITY OF SUCH DAMAGE.
  67  */
  68 /*
  69  * Copyright (c) 1982, 1986, 1989, 1993
  70  *      The Regents of the University of California.  All rights reserved.
  71  *
  72  * Redistribution and use in source and binary forms, with or without
  73  * modification, are permitted provided that the following conditions
  74  * are met:
  75  * 1. Redistributions of source code must retain the above copyright
  76  *    notice, this list of conditions and the following disclaimer.
  77  * 2. Redistributions in binary form must reproduce the above copyright
  78  *    notice, this list of conditions and the following disclaimer in the
  79  *    documentation and/or other materials provided with the distribution.
  80  * 3. Neither the name of the University nor the names of its contributors
  81  *    may be used to endorse or promote products derived from this software
  82  *    without specific prior written permission.
  83  *
  84  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  85  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  86  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  87  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  88  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  89  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  90  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  91  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  92  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  93  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  94  * SUCH DAMAGE.
  95  *
  96   */
  97
  98 #include <sys/cdefs.h>
  99 __FBSDID("$FreeBSD$");
 100
 101 #include <sys/param.h>
 102 #include <sys/queue.h>
 103 #include <ctype.h>
 104 #include <stdlib.h>
 105 #include <string.h>
 106
 107 #include "makefs.h"
 108 #include "cd9660.h"
 109 #include "cd9660/iso9660_rrip.h"
 110 #include "cd9660/cd9660_archimedes.h"
 111
 112 /*
 113  * Global variables
 114  */
 115 iso9660_disk diskStructure;
 116
 117 static void cd9660_finalize_PVD(void);
 118 static cd9660node *cd9660_allocate_cd9660node(void);
 119 static void cd9660_set_defaults(void);
 120 static int cd9660_arguments_set_string(const char *, const char *, int,
 121     char, char *);
 122 static void cd9660_populate_iso_dir_record(
 123     struct _iso_directory_record_cd9660 *, u_char, u_char, u_char,
 124     const char *);
 125 static void cd9660_setup_root_node(void);
 126 static int cd9660_setup_volume_descriptors(void);
 127 #if 0
 128 static int cd9660_fill_extended_attribute_record(cd9660node *);
 129 #endif
 130 static void cd9660_sort_nodes(cd9660node *);
 131 static int cd9660_translate_node_common(cd9660node *);
 132 static int cd9660_translate_node(fsnode *, cd9660node *);
 133 static int cd9660_compare_filename(const char *, const char *);
 134 static void cd9660_sorted_child_insert(cd9660node *, cd9660node *);
 135 static int cd9660_handle_collisions(cd9660node *, int);
 136 static cd9660node *cd9660_rename_filename(cd9660node *, int, int);
 137 static void cd9660_copy_filenames(cd9660node *);
 138 static void cd9660_sorting_nodes(cd9660node *);
 139 static int cd9660_count_collisions(cd9660node *);
 140 static cd9660node *cd9660_rrip_move_directory(cd9660node *);
 141 static int cd9660_add_dot_records(cd9660node *);
 142
 143 static void cd9660_convert_structure(fsnode *, cd9660node *, int,
 144     int *, int *);
 145 static void cd9660_free_structure(cd9660node *);
 146 static int cd9660_generate_path_table(void);
 147 static int cd9660_level1_convert_filename(const char *, char *, int);
 148 static int cd9660_level2_convert_filename(const char *, char *, int);
 149 #if 0
 150 static int cd9660_joliet_convert_filename(const char *, char *, int);
 151 #endif
 152 static int cd9660_convert_filename(const char *, char *, int);
 153 static void cd9660_populate_dot_records(cd9660node *);
 154 static int64_t cd9660_compute_offsets(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(const char *, cd9660node *, int,
 159     int);
 160 static cd9660node *cd9660_create_file(const char *, cd9660node *, cd9660node *);
 161 static cd9660node *cd9660_create_directory(const char *, cd9660node *,
 162     cd9660node *);
 163 static cd9660node *cd9660_create_special_directory(u_char, cd9660node *);
 164
 165
 166 /*
 167  * Allocate and initialize a cd9660node
 168  * @returns struct cd9660node * Pointer to new node, or NULL on error
 169  */
 170 static cd9660node *
 171 cd9660_allocate_cd9660node(void)
 172 {
 173         cd9660node *temp;
 174
 175         if ((temp = calloc(1, sizeof(cd9660node))) == NULL)
 176                 err(EXIT_FAILURE, "%s: calloc", __func__);
 177         TAILQ_INIT(&temp->cn_children);
 178         temp->parent = temp->dot_record = temp->dot_dot_record = NULL;
 179         temp->ptnext = temp->ptprev = temp->ptlast = NULL;
 180         temp->node = NULL;
 181         temp->isoDirRecord = NULL;
 182         temp->isoExtAttributes = NULL;
 183         temp->rr_real_parent = temp->rr_relocated = NULL;
 184         temp->su_tail_data = NULL;
 185         return temp;
 186 }
 187
 188 int cd9660_defaults_set = 0;
 189
 190 /**
 191 * Set default values for cd9660 extension to makefs
 192 */
 193 static void
 194 cd9660_set_defaults(void)
 195 {
 196         /*Fix the sector size for now, though the spec allows for other sizes*/
 197         diskStructure.sectorSize = 2048;
 198
 199         /* Set up defaults in our own structure */
 200         diskStructure.verbose_level = 0;
 201         diskStructure.keep_bad_images = 0;
 202         diskStructure.follow_sym_links = 0;
 203         diskStructure.isoLevel = 2;
 204
 205         diskStructure.rock_ridge_enabled = 0;
 206         diskStructure.rock_ridge_renamed_dir_name = 0;
 207         diskStructure.rock_ridge_move_count = 0;
 208         diskStructure.rr_moved_dir = 0;
 209
 210         diskStructure.archimedes_enabled = 0;
 211         diskStructure.chrp_boot = 0;
 212
 213         diskStructure.include_padding_areas = 1;
 214
 215         /* Spec breaking functionality */
 216         diskStructure.allow_deep_trees =
 217             diskStructure.allow_start_dot =
 218             diskStructure.allow_max_name =
 219             diskStructure.allow_illegal_chars =
 220             diskStructure.allow_lowercase =
 221             diskStructure.allow_multidot =
 222             diskStructure.omit_trailing_period = 0;
 223
 224         /* Make sure the PVD is clear */
 225         memset(&diskStructure.primaryDescriptor, 0, 2048);
 226
 227         memset(diskStructure.primaryDescriptor.publisher_id,    0x20,128);
 228         memset(diskStructure.primaryDescriptor.preparer_id,     0x20,128);
 229         memset(diskStructure.primaryDescriptor.application_id,  0x20,128);
 230         memset(diskStructure.primaryDescriptor.copyright_file_id, 0x20,37);
 231         memset(diskStructure.primaryDescriptor.abstract_file_id, 0x20,37);
 232         memset(diskStructure.primaryDescriptor.bibliographic_file_id, 0x20,37);
 233
 234         strcpy(diskStructure.primaryDescriptor.system_id, "FreeBSD");
 235
 236         cd9660_defaults_set = 1;
 237
 238         /* Boot support: Initially disabled */
 239         diskStructure.has_generic_bootimage = 0;
 240         diskStructure.generic_bootimage = NULL;
 241
 242         diskStructure.boot_image_directory = 0;
 243         /*memset(diskStructure.boot_descriptor, 0, 2048);*/
 244
 245         diskStructure.is_bootable = 0;
 246         TAILQ_INIT(&diskStructure.boot_images);
 247         LIST_INIT(&diskStructure.boot_entries);
 248 }
 249
 250 void
 251 cd9660_prep_opts(fsinfo_t *fsopts __unused)
 252 {
 253         cd9660_set_defaults();
 254 }
 255
 256 void
 257 cd9660_cleanup_opts(fsinfo_t *fsopts __unused)
 258 {
 259
 260 }
 261
 262 static int
 263 cd9660_arguments_set_string(const char *val, const char *fieldtitle, int length,
 264                             char testmode, char * dest)
 265 {
 266         int len, test;
 267
 268         if (val == NULL)
 269                 warnx("error: The %s requires a string argument", fieldtitle);
 270         else if ((len = strlen(val)) <= length) {
 271                 if (testmode == 'd')
 272                         test = cd9660_valid_d_chars(val);
 273                 else
 274                         test = cd9660_valid_a_chars(val);
 275                 if (test) {
 276                         memcpy(dest, val, len);
 277                         if (test == 2)
 278                                 cd9660_uppercase_characters(dest, len);
 279                         return 1;
 280                 } else
 281                         warnx("error: The %s must be composed of "
 282                               "%c-characters", fieldtitle, testmode);
 283         } else
 284                 warnx("error: The %s must be at most 32 characters long",
 285                     fieldtitle);
 286         return 0;
 287 }
 288
 289 /*
 290  * Command-line parsing function
 291  */
 292
 293 int
 294 cd9660_parse_opts(const char *option, fsinfo_t *fsopts)
 295 {
 296         char *var, *val;
 297         int     rv;
 298         /* Set up allowed options - integer options ONLY */
 299         option_t cd9660_options[] = {
 300                 { "l", &diskStructure.isoLevel, 1, 2, "ISO Level" },
 301                 { "isolevel", &diskStructure.isoLevel, 1, 2, "ISO Level" },
 302                 { "verbose",  &diskStructure.verbose_level, 0, 2,
 303                   "Turns on verbose output" },
 304                 { "v", &diskStructure.verbose_level, 0 , 2,
 305                   "Turns on verbose output"},
 306                 { .name = NULL }
 307         };
 308
 309         if (cd9660_defaults_set == 0)
 310                 cd9660_set_defaults();
 311
 312         /*
 313          * Todo : finish implementing this, and make a function that
 314          * parses them
 315          */
 316         /*
 317         string_option_t cd9660_string_options[] = {
 318                 { "L", "Label", &diskStructure.primaryDescriptor.volume_id, 1, 32, "Disk Label", ISO_STRING_FILTER_DCHARS },
 319                 { NULL }
 320         }
 321         */
 322
 323         assert(option != NULL);
 324
 325         if (debug & DEBUG_FS_PARSE_OPTS)
 326                 printf("cd9660_parse_opts: got `%s'\n", option);
 327
 328         if ((var = strdup(option)) == NULL)
 329                 err(1, "allocating memory for copy of option string");
 330         rv = 1;
 331
 332         val = strchr(var, '=');
 333         if (val != NULL)
 334                 *val++ = '\0';
 335
 336         /* First handle options with no parameters */
 337         if (strcmp(var, "h") == 0) {
 338                 diskStructure.displayHelp = 1;
 339                 rv = 1;
 340         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "S", "follow-symlinks")) {
 341                 /* this is not handled yet */
 342                 diskStructure.follow_sym_links = 1;
 343                 rv = 1;
 344         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "L", "label")) {
 345                 rv = cd9660_arguments_set_string(val, "Disk Label", 32, 'd',
 346                         diskStructure.primaryDescriptor.volume_id);
 347         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "applicationid")) {
 348                 rv = cd9660_arguments_set_string(val, "Application Identifier", 128, 'a',
 349                         diskStructure.primaryDescriptor.application_id);
 350         } else if(CD9660_IS_COMMAND_ARG_DUAL(var, "P", "publisher")) {
 351                 rv = cd9660_arguments_set_string(val, "Publisher Identifier",
 352                         128, 'a', diskStructure.primaryDescriptor.publisher_id);
 353         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "p", "preparer")) {
 354                 rv = cd9660_arguments_set_string(val, "Preparer Identifier",
 355                     128, 'a', diskStructure.primaryDescriptor.preparer_id);
 356         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "V", "volumeid")) {
 357                 rv = cd9660_arguments_set_string(val, "Volume Set Identifier",
 358                     128, 'a', diskStructure.primaryDescriptor.volume_set_id);
 359         /* Boot options */
 360         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "B", "bootimage")) {
 361                 if (val == NULL)
 362                         warnx("error: The Boot Image parameter requires a valid boot information string");
 363                 else
 364                         rv = cd9660_add_boot_disk(val);
 365         } else if (CD9660_IS_COMMAND_ARG(var, "bootimagedir")) {
 366                 /*
 367                  * XXXfvdl this is unused.
 368                  */
 369                 if (val == NULL)
 370                         errx(1, "error: The Boot Image Directory parameter"
 371                              " requires a directory name\n");
 372                 else {
 373                         if ((diskStructure.boot_image_directory =
 374                              malloc(strlen(val) + 1)) == NULL) {
 375                                 CD9660_MEM_ALLOC_ERROR("cd9660_parse_opts");
 376                                 exit(1);
 377                         }
 378
 379                         /* BIG TODO: Add the max length function here */
 380                         cd9660_arguments_set_string(val, "Boot Image Directory",
 381                             12 , 'd', diskStructure.boot_image_directory);
 382                 }
 383         } else if (CD9660_IS_COMMAND_ARG_DUAL(var, "G", "generic-bootimage")) {
 384                 if (val == NULL)
 385                         warnx("error: The Boot Image parameter requires a valid boot information string");
 386                 else
 387                         rv = cd9660_add_generic_bootimage(val);
 388         } else if (CD9660_IS_COMMAND_ARG(var, "no-trailing-padding"))
 389                 diskStructure.include_padding_areas = 0;
 390         /* RRIP */
 391         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "R", "rockridge"))
 392                 diskStructure.rock_ridge_enabled = 1;
 393         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "A", "archimedes"))
 394                 diskStructure.archimedes_enabled = 1;
 395         else if (CD9660_IS_COMMAND_ARG(var, "chrp-boot"))
 396                 diskStructure.chrp_boot = 1;
 397         else if (CD9660_IS_COMMAND_ARG_DUAL(var, "K", "keep-bad-images"))
 398                 diskStructure.keep_bad_images = 1;
 399         else if (CD9660_IS_COMMAND_ARG(var, "allow-deep-trees"))
 400                 diskStructure.allow_deep_trees = 1;
 401         else if (CD9660_IS_COMMAND_ARG(var, "allow-max-name"))
 402                 diskStructure.allow_max_name = 1;
 403         else if (CD9660_IS_COMMAND_ARG(var, "allow-illegal-chars"))
 404                 diskStructure.allow_illegal_chars = 1;
 405         else if (CD9660_IS_COMMAND_ARG(var, "allow-lowercase"))
 406                 diskStructure.allow_lowercase = 1;
 407         else if (CD9660_IS_COMMAND_ARG(var,"allow-multidot"))
 408                 diskStructure.allow_multidot = 1;
 409         else if (CD9660_IS_COMMAND_ARG(var, "omit-trailing-period"))
 410                 diskStructure.omit_trailing_period = 1;
 411         else if (CD9660_IS_COMMAND_ARG(var, "no-emul-boot") ||
 412                  CD9660_IS_COMMAND_ARG(var, "no-boot") ||
 413                  CD9660_IS_COMMAND_ARG(var, "hard-disk-boot")) {
 414                 cd9660_eltorito_add_boot_option(var, 0);
 415
 416                 /* End of flag variables */
 417         } else if (CD9660_IS_COMMAND_ARG(var, "boot-load-segment")) {
 418                 if (val == NULL) {
 419                         warnx("Option `%s' doesn't contain a value", var);
 420                         rv = 0;
 421                 } else {
 422                         cd9660_eltorito_add_boot_option(var, val);
 423                 }
 424         } else {
 425                 if (val == NULL) {
 426                         warnx("Option `%s' doesn't contain a value", var);
 427                         rv = 0;
 428                 } else
 429                         rv = set_option(cd9660_options, var, val);
 430         }
 431
 432         free(var);
 433         return (rv);
 434 }
 435
 436 /*
 437  * Main function for cd9660_makefs
 438  * Builds the ISO image file
 439  * @param const char *image The image filename to create
 440  * @param const char *dir The directory that is being read
 441  * @param struct fsnode *root The root node of the filesystem tree
 442  * @param struct fsinfo_t *fsopts Any options
 443  */
 444 void
 445 cd9660_makefs(const char *image, const char *dir, fsnode *root,
 446     fsinfo_t *fsopts)
 447 {
 448         int64_t startoffset;
 449         int numDirectories;
 450         uint64_t pathTableSectors;
 451         int64_t firstAvailableSector;
 452         int64_t totalSpace;
 453         int error;
 454         cd9660node *real_root;
 455
 456         if (diskStructure.verbose_level > 0)
 457                 printf("cd9660_makefs: ISO level is %i\n",
 458                     diskStructure.isoLevel);
 459         if (diskStructure.isoLevel < 2 &&
 460             diskStructure.allow_multidot)
 461                 errx(1, "allow-multidot requires iso level of 2\n");
 462
 463         assert(image != NULL);
 464         assert(dir != NULL);
 465         assert(root != NULL);
 466
 467         if (diskStructure.displayHelp) {
 468                 /*
 469                  * Display help here - probably want to put it in
 470                  * a separate function
 471                  */
 472                 return;
 473         }
 474
 475         if (diskStructure.verbose_level > 0)
 476                 printf("cd9660_makefs: image %s directory %s root %p\n",
 477                     image, dir, root);
 478
 479         /* Set up some constants. Later, these will be defined with options */
 480
 481         /* Counter needed for path tables */
 482         numDirectories = 0;
 483
 484         /* Convert tree to our own format */
 485         /* Actually, we now need to add the REAL root node, at level 0 */
 486
 487         real_root = cd9660_allocate_cd9660node();
 488         if ((real_root->isoDirRecord =
 489                 malloc( sizeof(iso_directory_record_cd9660) )) == NULL) {
 490                 CD9660_MEM_ALLOC_ERROR("cd9660_makefs");
 491                 exit(1);
 492         }
 493
 494         /* Leave filename blank for root */
 495         memset(real_root->isoDirRecord->name, 0,
 496             ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 497
 498         real_root->level = 0;
 499         diskStructure.rootNode = real_root;
 500         real_root->type = CD9660_TYPE_DIR;
 501         error = 0;
 502         real_root->node = root;
 503         cd9660_convert_structure(root, real_root, 1, &numDirectories, &error);
 504
 505         if (TAILQ_EMPTY(&real_root->cn_children)) {
 506                 errx(1, "cd9660_makefs: converted directory is empty. "
 507                         "Tree conversion failed\n");
 508         } else if (error != 0) {
 509                 errx(1, "cd9660_makefs: tree conversion failed\n");
 510         } else {
 511                 if (diskStructure.verbose_level > 0)
 512                         printf("cd9660_makefs: tree converted\n");
 513         }
 514
 515         /* Add the dot and dot dot records */
 516         cd9660_add_dot_records(real_root);
 517
 518         cd9660_setup_root_node();
 519
 520         if (diskStructure.verbose_level > 0)
 521                 printf("cd9660_makefs: done converting tree\n");
 522
 523         /* non-SUSP extensions */
 524         if (diskStructure.archimedes_enabled)
 525                 archimedes_convert_tree(diskStructure.rootNode);
 526
 527         /* Rock ridge / SUSP init pass */
 528         if (diskStructure.rock_ridge_enabled) {
 529                 cd9660_susp_initialize(diskStructure.rootNode,
 530                     diskStructure.rootNode, NULL);
 531         }
 532
 533         /* Build path table structure */
 534         diskStructure.pathTableLength = cd9660_generate_path_table();
 535
 536         pathTableSectors = CD9660_BLOCKS(diskStructure.sectorSize,
 537                 diskStructure.pathTableLength);
 538
 539         firstAvailableSector = cd9660_setup_volume_descriptors();
 540         if (diskStructure.is_bootable) {
 541                 firstAvailableSector = cd9660_setup_boot(firstAvailableSector);
 542                 if (firstAvailableSector < 0)
 543                         errx(1, "setup_boot failed");
 544         }
 545         /* LE first, then BE */
 546         diskStructure.primaryLittleEndianTableSector = firstAvailableSector;
 547         diskStructure.primaryBigEndianTableSector =
 548                 diskStructure.primaryLittleEndianTableSector + pathTableSectors;
 549
 550         /* Set the secondary ones to -1, not going to use them for now */
 551         diskStructure.secondaryBigEndianTableSector = -1;
 552         diskStructure.secondaryLittleEndianTableSector = -1;
 553
 554         diskStructure.dataFirstSector =
 555             diskStructure.primaryBigEndianTableSector + pathTableSectors;
 556         if (diskStructure.verbose_level > 0)
 557                 printf("cd9660_makefs: Path table conversion complete. "
 558                        "Each table is %i bytes, or %" PRIu64 " sectors.\n",
 559                     diskStructure.pathTableLength, pathTableSectors);
 560
 561         startoffset = diskStructure.sectorSize*diskStructure.dataFirstSector;
 562
 563         totalSpace = cd9660_compute_offsets(real_root, startoffset);
 564
 565         diskStructure.totalSectors = diskStructure.dataFirstSector +
 566                 CD9660_BLOCKS(diskStructure.sectorSize, totalSpace);
 567
 568         /* Disabled until pass 1 is done */
 569         if (diskStructure.rock_ridge_enabled) {
 570                 diskStructure.susp_continuation_area_start_sector =
 571                     diskStructure.totalSectors;
 572                 diskStructure.totalSectors +=
 573                     CD9660_BLOCKS(diskStructure.sectorSize,
 574                         diskStructure.susp_continuation_area_size);
 575                 cd9660_susp_finalize(diskStructure.rootNode);
 576         }
 577
 578
 579         cd9660_finalize_PVD();
 580
 581         /* Add padding sectors, just for testing purposes right now */
 582         /* diskStructure.totalSectors+=150; */
 583
 584         /* Debugging output */
 585         if (diskStructure.verbose_level > 0) {
 586                 printf("cd9660_makefs: Sectors 0-15 reserved\n");
 587                 printf("cd9660_makefs: Primary path tables starts in sector %"
 588                     PRId64 "\n", diskStructure.primaryLittleEndianTableSector);
 589                 printf("cd9660_makefs: File data starts in sector %"
 590                     PRId64 "\n", diskStructure.dataFirstSector);
 591                 printf("cd9660_makefs: Total sectors: %"
 592                     PRId64 "\n", diskStructure.totalSectors);
 593         }
 594
 595         /*
 596          * Add padding sectors at the end
 597          * TODO: Clean this up and separate padding
 598          */
 599         if (diskStructure.include_padding_areas)
 600                 diskStructure.totalSectors += 150;
 601
 602         cd9660_write_image(image);
 603
 604         if (diskStructure.verbose_level > 1) {
 605                 debug_print_volume_descriptor_information();
 606                 debug_print_tree(real_root,0);
 607                 debug_print_path_tree(real_root);
 608         }
 609
 610         /* Clean up data structures */
 611         cd9660_free_structure(real_root);
 612
 613         if (diskStructure.verbose_level > 0)
 614                 printf("cd9660_makefs: done\n");
 615 }
 616
 617 /* Generic function pointer - implement later */
 618 typedef int (*cd9660node_func)(cd9660node *);
 619
 620 static void
 621 cd9660_finalize_PVD(void)
 622 {
 623         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 624
 625         /* root should be a fixed size of 34 bytes since it has no name */
 626         memcpy(diskStructure.primaryDescriptor.root_directory_record,
 627                 diskStructure.rootNode->dot_record->isoDirRecord, 34);
 628
 629         /* In RRIP, this might be longer than 34 */
 630         diskStructure.primaryDescriptor.root_directory_record[0] = 34;
 631
 632         /* Set up all the important numbers in the PVD */
 633         cd9660_bothendian_dword(diskStructure.totalSectors,
 634             (unsigned char *)diskStructure.primaryDescriptor.volume_space_size);
 635         cd9660_bothendian_word(1,
 636             (unsigned char *)diskStructure.primaryDescriptor.volume_set_size);
 637         cd9660_bothendian_word(1,
 638             (unsigned char *)
 639                 diskStructure.primaryDescriptor.volume_sequence_number);
 640         cd9660_bothendian_word(diskStructure.sectorSize,
 641             (unsigned char *)
 642                 diskStructure.primaryDescriptor.logical_block_size);
 643         cd9660_bothendian_dword(diskStructure.pathTableLength,
 644             (unsigned char *)diskStructure.primaryDescriptor.path_table_size);
 645
 646         cd9660_731(diskStructure.primaryLittleEndianTableSector,
 647                 (u_char *)diskStructure.primaryDescriptor.type_l_path_table);
 648         cd9660_732(diskStructure.primaryBigEndianTableSector,
 649                 (u_char *)diskStructure.primaryDescriptor.type_m_path_table);
 650
 651         diskStructure.primaryDescriptor.file_structure_version[0] = 1;
 652
 653         /* Pad all strings with spaces instead of nulls */
 654         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_id, 32);
 655         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.system_id, 32);
 656         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.volume_set_id,
 657             128);
 658         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.publisher_id,
 659             128);
 660         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.preparer_id,
 661             128);
 662         cd9660_pad_string_spaces(diskStructure.primaryDescriptor.application_id,
 663             128);
 664         cd9660_pad_string_spaces(
 665             diskStructure.primaryDescriptor.copyright_file_id, 37);
 666         cd9660_pad_string_spaces(
 667                 diskStructure.primaryDescriptor.abstract_file_id, 37);
 668         cd9660_pad_string_spaces(
 669                 diskStructure.primaryDescriptor.bibliographic_file_id, 37);
 670
 671         /* Setup dates */
 672         cd9660_time_8426(
 673             (unsigned char *)diskStructure.primaryDescriptor.creation_date,
 674             tstamp);
 675         cd9660_time_8426(
 676             (unsigned char *)diskStructure.primaryDescriptor.modification_date,
 677             tstamp);
 678
 679 #if 0
 680         cd9660_set_date(diskStructure.primaryDescriptor.expiration_date,
 681             tstamp);
 682 #endif
 683
 684         memset(diskStructure.primaryDescriptor.expiration_date, '0', 16);
 685         diskStructure.primaryDescriptor.expiration_date[16] = 0;
 686         cd9660_time_8426(
 687             (unsigned char *)diskStructure.primaryDescriptor.effective_date,
 688             tstamp);
 689         /* make this sane */
 690         cd9660_time_915(diskStructure.rootNode->dot_record->isoDirRecord->date,
 691             tstamp);
 692 }
 693
 694 static void
 695 cd9660_populate_iso_dir_record(struct _iso_directory_record_cd9660 *record,
 696                                u_char ext_attr_length, u_char flags,
 697                                u_char name_len, const char * name)
 698 {
 699         record->ext_attr_length[0] = ext_attr_length;
 700         record->flags[0] = ISO_FLAG_CLEAR | flags;
 701         record->file_unit_size[0] = 0;
 702         record->interleave[0] = 0;
 703         cd9660_bothendian_word(1, record->volume_sequence_number);
 704         record->name_len[0] = name_len;
 705         memset(record->name, '\0', sizeof (record->name));
 706         memcpy(record->name, name, name_len);
 707         record->length[0] = 33 + name_len;
 708
 709         /* Todo : better rounding */
 710         record->length[0] += (record->length[0] & 1) ? 1 : 0;
 711 }
 712
 713 static void
 714 cd9660_setup_root_node(void)
 715 {
 716         cd9660_populate_iso_dir_record(diskStructure.rootNode->isoDirRecord,
 717             0, ISO_FLAG_DIRECTORY, 1, "\0");
 718
 719 }
 720
 721 /*********** SUPPORT FUNCTIONS ***********/
 722 static int
 723 cd9660_setup_volume_descriptors(void)
 724 {
 725         /* Boot volume descriptor should come second */
 726         int sector = 16;
 727         /* For now, a fixed 2 : PVD and terminator */
 728         volume_descriptor *temp, *t;
 729
 730         /* Set up the PVD */
 731         if ((temp = malloc(sizeof(volume_descriptor))) == NULL) {
 732                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 733                 exit(1);
 734         }
 735
 736         temp->volumeDescriptorData =
 737            (unsigned char *)&diskStructure.primaryDescriptor;
 738         temp->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_PVD;
 739         temp->volumeDescriptorData[6] = 1;
 740         temp->sector = sector;
 741         memcpy(temp->volumeDescriptorData + 1,
 742             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 743         diskStructure.firstVolumeDescriptor = temp;
 744
 745         sector++;
 746         /* Set up boot support if enabled. BVD must reside in sector 17 */
 747         if (diskStructure.is_bootable) {
 748                 if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
 749                         CD9660_MEM_ALLOC_ERROR(
 750                             "cd9660_setup_volume_descriptors");
 751                         exit(1);
 752                 }
 753                 if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
 754                         CD9660_MEM_ALLOC_ERROR(
 755                             "cd9660_setup_volume_descriptors");
 756                         exit(1);
 757                 }
 758                 temp->next = t;
 759                 temp = t;
 760                 memset(t->volumeDescriptorData, 0, 2048);
 761                 t->sector = 17;
 762                 if (diskStructure.verbose_level > 0)
 763                         printf("Setting up boot volume descriptor\n");
 764                 cd9660_setup_boot_volume_descriptor(t);
 765                 sector++;
 766         }
 767
 768         /* Set up the terminator */
 769         if ((t = malloc(sizeof(volume_descriptor))) == NULL) {
 770                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 771                 exit(1);
 772         }
 773         if ((t->volumeDescriptorData = malloc(2048)) == NULL) {
 774                 CD9660_MEM_ALLOC_ERROR("cd9660_setup_volume_descriptors");
 775                 exit(1);
 776         }
 777
 778         temp->next = t;
 779         memset(t->volumeDescriptorData, 0, 2048);
 780         t->volumeDescriptorData[0] = ISO_VOLUME_DESCRIPTOR_TERMINATOR;
 781         t->next = NULL;
 782         t->volumeDescriptorData[6] = 1;
 783         t->sector = sector;
 784         memcpy(t->volumeDescriptorData + 1,
 785             ISO_VOLUME_DESCRIPTOR_STANDARD_ID, 5);
 786
 787         sector++;
 788         return sector;
 789 }
 790
 791 #if 0
 792 /*
 793  * Populate EAR at some point. Not required, but is used by NetBSD's
 794  * cd9660 support
 795  */
 796 static int
 797 cd9660_fill_extended_attribute_record(cd9660node *node)
 798 {
 799         if ((node->isoExtAttributes =
 800             malloc(sizeof(struct iso_extended_attributes))) == NULL) {
 801                 CD9660_MEM_ALLOC_ERROR("cd9660_fill_extended_attribute_record");
 802                 exit(1);
 803         };
 804
 805         return 1;
 806 }
 807 #endif
 808
 809 static int
 810 cd9660_translate_node_common(cd9660node *newnode)
 811 {
 812         time_t tstamp = stampst.st_ino ? stampst.st_mtime : time(NULL);
 813         int test;
 814         u_char flag;
 815         char temp[ISO_FILENAME_MAXLENGTH_WITH_PADDING];
 816
 817         /* Now populate the isoDirRecord structure */
 818         memset(temp, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
 819
 820         test = cd9660_convert_filename(newnode->node->name,
 821                 temp, !(S_ISDIR(newnode->node->type)));
 822
 823         flag = ISO_FLAG_CLEAR;
 824         if (S_ISDIR(newnode->node->type))
 825                 flag |= ISO_FLAG_DIRECTORY;
 826
 827         cd9660_populate_iso_dir_record(newnode->isoDirRecord, 0,
 828             flag, strlen(temp), temp);
 829
 830         /* Set the various dates */
 831
 832         /* If we want to use the current date and time */
 833
 834         cd9660_time_915(newnode->isoDirRecord->date, tstamp);
 835
 836         cd9660_bothendian_dword(newnode->fileDataLength,
 837             newnode->isoDirRecord->size);
 838         /* If the file is a link, we want to set the size to 0 */
 839         if (S_ISLNK(newnode->node->type))
 840                 newnode->fileDataLength = 0;
 841
 842         return 1;
 843 }
 844
 845 /*
 846  * Translate fsnode to cd9660node
 847  * Translate filenames and other metadata, including dates, sizes,
 848  * permissions, etc
 849  * @param struct fsnode * The node generated by makefs
 850  * @param struct cd9660node * The intermediate node to be written to
 851  * @returns int 0 on failure, 1 on success
 852  */
 853 static int
 854 cd9660_translate_node(fsnode *node, cd9660node *newnode)
 855 {
 856         if (node == NULL) {
 857                 if (diskStructure.verbose_level > 0)
 858                         printf("cd9660_translate_node: NULL node passed, "
 859                                "returning\n");
 860                 return 0;
 861         }
 862         if ((newnode->isoDirRecord =
 863                 malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
 864                 CD9660_MEM_ALLOC_ERROR("cd9660_translate_node");
 865                 return 0;
 866         }
 867
 868         /* Set the node pointer */
 869         newnode->node = node;
 870
 871         /* Set the size */
 872         if (!(S_ISDIR(node->type)))
 873                 newnode->fileDataLength = node->inode->st.st_size;
 874
 875         if (cd9660_translate_node_common(newnode) == 0)
 876                 return 0;
 877
 878         /* Finally, overwrite some of the values that are set by default */
 879         cd9660_time_915(newnode->isoDirRecord->date,
 880             stampst.st_ino ? stampst.st_mtime : node->inode->st.st_mtime);
 881
 882         return 1;
 883 }
 884
 885 /*
 886  * Compares two ISO filenames
 887  * @param const char * The first file name
 888  * @param const char * The second file name
 889  * @returns : -1 if first is less than second, 0 if they are the same, 1 if
 890  *      the second is greater than the first
 891  */
 892 static int
 893 cd9660_compare_filename(const char *first, const char *second)
 894 {
 895         /*
 896          * This can be made more optimal once it has been tested
 897          * (the extra character, for example, is for testing)
 898          */
 899
 900         int p1 = 0;
 901         int p2 = 0;
 902         char c1, c2;
 903         /* First, on the filename */
 904
 905         while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1
 906                 && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION-1) {
 907                 c1 = first[p1];
 908                 c2 = second[p2];
 909                 if (c1 == '.' && c2 =='.')
 910                         break;
 911                 else if (c1 == '.') {
 912                         p2++;
 913                         c1 = ' ';
 914                 } else if (c2 == '.') {
 915                         p1++;
 916                         c2 = ' ';
 917                 } else {
 918                         p1++;
 919                         p2++;
 920                 }
 921
 922                 if (c1 < c2)
 923                         return -1;
 924                 else if (c1 > c2) {
 925                         return 1;
 926                 }
 927         }
 928
 929         if (first[p1] == '.' && second[p2] == '.') {
 930                 p1++;
 931                 p2++;
 932                 while (p1 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1
 933                         && p2 < ISO_FILENAME_MAXLENGTH_BEFORE_VERSION - 1) {
 934                         c1 = first[p1];
 935                         c2 = second[p2];
 936                         if (c1 == ';' && c2 == ';')
 937                                 break;
 938                         else if (c1 == ';') {
 939                                 p2++;
 940                                 c1 = ' ';
 941                         } else if (c2 == ';') {
 942                                 p1++;
 943                                 c2 = ' ';
 944                         } else {
 945                                 p1++;
 946                                 p2++;
 947                         }
 948
 949                         if (c1 < c2)
 950                                 return -1;
 951                         else if (c1 > c2)
 952                                 return 1;
 953                 }
 954         }
 955         return 0;
 956 }
 957
 958 /*
 959  * Insert a node into list with ISO sorting rules
 960  * @param cd9660node * The head node of the list
 961  * @param cd9660node * The node to be inserted
 962  */
 963 static void
 964 cd9660_sorted_child_insert(cd9660node *parent, cd9660node *cn_new)
 965 {
 966         int compare;
 967         cd9660node *cn;
 968         struct cd9660_children_head *head = &parent->cn_children;
 969
 970         /* TODO: Optimize? */
 971         cn_new->parent = parent;
 972
 973         /*
 974          * first will either be 0, the . or the ..
 975          * if . or .., this means no other entry may be written before first
 976          * if 0, the new node may be inserted at the head
 977          */
 978
 979         TAILQ_FOREACH(cn, head, cn_next_child) {
 980                 /*
 981                  * Dont insert a node twice -
 982                  * that would cause an infinite loop
 983                  */
 984                 if (cn_new == cn)
 985                         return;
 986
 987                 compare = cd9660_compare_filename(cn_new->isoDirRecord->name,
 988                         cn->isoDirRecord->name);
 989
 990                 if (compare == 0)
 991                         compare = cd9660_compare_filename(cn_new->node->name,
 992                                 cn->node->name);
 993
 994                 if (compare < 0)
 995                         break;
 996         }
 997         if (cn == NULL)
 998                 TAILQ_INSERT_TAIL(head, cn_new, cn_next_child);
 999         else
1000                 TAILQ_INSERT_BEFORE(cn, cn_new, cn_next_child);
1001 }
1002
1003 /*
1004  * Called After cd9660_sorted_child_insert
1005  * handles file collisions by suffixing each filname with ~n
1006  * where n represents the files respective place in the ordering
1007  */
1008 static int
1009 cd9660_handle_collisions(cd9660node *colliding, int past)
1010 {
1011         cd9660node *iter, *next, *prev;
1012         int skip;
1013         int delete_chars = 0;
1014         int temp_past = past;
1015         int temp_skip;
1016         int flag = 0;
1017         cd9660node *end_of_range;
1018
1019         for (iter = TAILQ_FIRST(&colliding->cn_children);
1020              iter != NULL && (next = TAILQ_NEXT(iter, cn_next_child)) != NULL;) {
1021                 if (strcmp(iter->isoDirRecord->name,
1022                            next->isoDirRecord->name) != 0) {
1023                         iter = TAILQ_NEXT(iter, cn_next_child);
1024                         continue;
1025                 }
1026                 flag = 1;
1027                 temp_skip = skip = cd9660_count_collisions(iter);
1028                 end_of_range = iter;
1029                 while (temp_skip > 0) {
1030                         temp_skip--;
1031                         end_of_range = TAILQ_NEXT(end_of_range, cn_next_child);
1032                 }
1033                 temp_past = past;
1034                 while (temp_past > 0) {
1035                         if ((next = TAILQ_NEXT(end_of_range, cn_next_child)) != NULL)
1036                                 end_of_range = next;
1037                         else if ((prev = TAILQ_PREV(iter, cd9660_children_head, cn_next_child)) != NULL)
1038                                 iter = prev;
1039                         else
1040                                 delete_chars++;
1041                         temp_past--;
1042                 }
1043                 skip += past;
1044                 iter = cd9660_rename_filename(iter, skip, delete_chars);
1045         }
1046         return flag;
1047 }
1048
1049
1050 static cd9660node *
1051 cd9660_rename_filename(cd9660node *iter, int num, 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 = malloc(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                 /*
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                 */
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(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.rootNode, 0);
1173                 exit(1);
1174         }
1175
1176         TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) {
1177                 cd9660_copy_filenames(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("cd9660_recurse_on_collision: count is %i \n", 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(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 =
1261                         cd9660_create_directory(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(dir->node->name, dir->parent, dir);
1271         if (tfile == NULL)
1272                 return NULL;
1273
1274         diskStructure.rock_ridge_move_count++;
1275         snprintf(newname, sizeof(newname), "%08i",
1276             diskStructure.rock_ridge_move_count);
1277
1278         /* Point to old parent */
1279         dir->rr_real_parent = dir->parent;
1280
1281         /* Place the placeholder file */
1282         if (TAILQ_EMPTY(&dir->rr_real_parent->cn_children)) {
1283                 TAILQ_INSERT_HEAD(&dir->rr_real_parent->cn_children, tfile,
1284                     cn_next_child);
1285         } else {
1286                 cd9660_sorted_child_insert(dir->rr_real_parent, tfile);
1287         }
1288
1289         /* Point to new parent */
1290         dir->parent = diskStructure.rr_moved_dir;
1291
1292         /* Point the file to the moved directory */
1293         tfile->rr_relocated = dir;
1294
1295         /* Actually move the directory */
1296         cd9660_sorted_child_insert(diskStructure.rr_moved_dir, dir);
1297
1298         /* TODO: Inherit permissions / ownership (basically the entire inode) */
1299
1300         /* Set the new name */
1301         memset(dir->isoDirRecord->name, 0, ISO_FILENAME_MAXLENGTH_WITH_PADDING);
1302         strncpy(dir->isoDirRecord->name, newname, 8);
1303         dir->isoDirRecord->length[0] = 34 + 8;
1304         dir->isoDirRecord->name_len[0] = 8;
1305
1306         return dir;
1307 }
1308
1309 static int
1310 cd9660_add_dot_records(cd9660node *root)
1311 {
1312         struct cd9660_children_head *head = &root->cn_children;
1313         cd9660node *cn;
1314
1315         TAILQ_FOREACH(cn, head, cn_next_child) {
1316                 if ((cn->type & CD9660_TYPE_DIR) == 0)
1317                         continue;
1318                 /* Recursion first */
1319                 cd9660_add_dot_records(cn);
1320         }
1321         cd9660_create_special_directory(CD9660_TYPE_DOT, root);
1322         cd9660_create_special_directory(CD9660_TYPE_DOTDOT, root);
1323         return 1;
1324 }
1325
1326 /*
1327  * Convert node to cd9660 structure
1328  * This function is designed to be called recursively on the root node of
1329  * the filesystem
1330  * Lots of recursion going on here, want to make sure it is efficient
1331  * @param struct fsnode * The root node to be converted
1332  * @param struct cd9660* The parent node (should not be NULL)
1333  * @param int Current directory depth
1334  * @param int* Running count of the number of directories that are being created
1335  */
1336 static void
1337 cd9660_convert_structure(fsnode *root, cd9660node *parent_node, int level,
1338                          int *numDirectories, int *error)
1339 {
1340         fsnode *iterator = root;
1341         cd9660node *this_node;
1342         int working_level;
1343         int add;
1344         int flag = 0;
1345         int counter = 0;
1346
1347         /*
1348          * Newer, more efficient method, reduces recursion depth
1349          */
1350         if (root == NULL) {
1351                 warnx("%s: root is null\n", __func__);
1352                 return;
1353         }
1354
1355         /* Test for an empty directory - makefs still gives us the . record */
1356         if ((S_ISDIR(root->type)) && (root->name[0] == '.')
1357                 && (root->name[1] == '\0')) {
1358                 root = root->next;
1359                 if (root == NULL)
1360                         return;
1361         }
1362         if ((this_node = cd9660_allocate_cd9660node()) == NULL) {
1363                 CD9660_MEM_ALLOC_ERROR(__func__);
1364         }
1365
1366         /*
1367          * To reduce the number of recursive calls, we will iterate over
1368          * the next pointers to the right.
1369          */
1370         while (iterator != NULL) {
1371                 add = 1;
1372                 /*
1373                  * Increment the directory count if this is a directory
1374                  * Ignore "." entries. We will generate them later
1375                  */
1376                 if (!S_ISDIR(iterator->type) ||
1377                     strcmp(iterator->name, ".") != 0) {
1378
1379                         /* Translate the node, including its filename */
1380                         this_node->parent = parent_node;
1381                         cd9660_translate_node(iterator, this_node);
1382                         this_node->level = level;
1383
1384                         if (S_ISDIR(iterator->type)) {
1385                                 (*numDirectories)++;
1386                                 this_node->type = CD9660_TYPE_DIR;
1387                                 working_level = level + 1;
1388
1389                                 /*
1390                                  * If at level 8, directory would be at 8
1391                                  * and have children at 9 which is not
1392                                  * allowed as per ISO spec
1393                                  */
1394                                 if (level == 8) {
1395                                         if ((!diskStructure.allow_deep_trees) &&
1396                                           (!diskStructure.rock_ridge_enabled)) {
1397                                                 warnx("error: found entry "
1398                                                      "with depth greater "
1399                                                      "than 8.");
1400                                                 (*error) = 1;
1401                                                 return;
1402                                         } else if (diskStructure.
1403                                                    rock_ridge_enabled) {
1404                                                 working_level = 3;
1405                                                 /*
1406                                                  * Moved directory is actually
1407                                                  * at level 2.
1408                                                  */
1409                                                 this_node->level =
1410                                                     working_level - 1;
1411                                                 if (cd9660_rrip_move_directory(
1412                                                         this_node) == NULL) {
1413                                                         warnx("Failure in "
1414                                                               "cd9660_rrip_"
1415                                                               "move_directory"
1416                                                         );
1417                                                         (*error) = 1;
1418                                                         return;
1419                                                 }
1420                                                 add = 0;
1421                                         }
1422                                 }
1423
1424                                 /* Do the recursive call on the children */
1425                                 if (iterator->child != NULL) {
1426                                         cd9660_convert_structure(
1427                                             iterator->child, this_node,
1428                                                 working_level,
1429                                                 numDirectories, error);
1430
1431                                         if ((*error) == 1) {
1432                                                 warnx("%s: Error on recursive "
1433                                                     "call", __func__);
1434                                                 return;
1435                                         }
1436                                 }
1437
1438                         } else {
1439                                 /* Only directories should have children */
1440                                 assert(iterator->child == NULL);
1441
1442                                 this_node->type = CD9660_TYPE_FILE;
1443                         }
1444
1445                         /*
1446                          * Finally, do a sorted insert
1447                          */
1448                         if (add) {
1449                                 cd9660_sorted_child_insert(
1450                                     parent_node, this_node);
1451                         }
1452
1453                         /*Allocate new temp_node */
1454                         if (iterator->next != NULL) {
1455                                 this_node = cd9660_allocate_cd9660node();
1456                                 if (this_node == NULL)
1457                                         CD9660_MEM_ALLOC_ERROR(__func__);
1458                         }
1459                 }
1460                 iterator = iterator->next;
1461         }
1462
1463         /* cd9660_handle_collisions(first_node); */
1464
1465         /* TODO: need cleanup */
1466         cd9660_copy_filenames(parent_node);
1467
1468         do {
1469                 flag = cd9660_handle_collisions(parent_node, counter);
1470                 counter++;
1471                 cd9660_sorting_nodes(parent_node);
1472         } while ((flag == 1) && (counter < 100));
1473 }
1474
1475 /*
1476  * Clean up the cd9660node tree
1477  * This is designed to be called recursively on the root node
1478  * @param struct cd9660node *root The node to free
1479  * @returns void
1480  */
1481 static void
1482 cd9660_free_structure(cd9660node *root)
1483 {
1484         cd9660node *cn;
1485
1486         while ((cn = TAILQ_FIRST(&root->cn_children)) != NULL) {
1487                 TAILQ_REMOVE(&root->cn_children, cn, cn_next_child);
1488                 cd9660_free_structure(cn);
1489         }
1490         free(root);
1491 }
1492
1493 /*
1494  * Be a little more memory conservative:
1495  * instead of having the TAILQ_ENTRY as part of the cd9660node,
1496  * just create a temporary structure
1497  */
1498 struct ptq_entry
1499 {
1500         TAILQ_ENTRY(ptq_entry) ptq;
1501         cd9660node *node;
1502 } *n;
1503
1504 #define PTQUEUE_NEW(n,s,r,t){\
1505         n = malloc(sizeof(struct s));   \
1506         if (n == NULL)  \
1507                 return r; \
1508         n->node = t;\
1509 }
1510
1511 /*
1512  * Generate the path tables
1513  * The specific implementation of this function is left as an exercise to the
1514  * programmer. It could be done recursively. Make sure you read how the path
1515  * table has to be laid out, it has levels.
1516  * @param struct iso9660_disk *disk The disk image
1517  * @returns int The number of built path tables (between 1 and 4), 0 on failure
1518  */
1519 static int
1520 cd9660_generate_path_table(void)
1521 {
1522         cd9660node *cn, *dirNode = diskStructure.rootNode;
1523         cd9660node *last = dirNode;
1524         int pathTableSize = 0;  /* computed as we go */
1525         int counter = 1;        /* root gets a count of 0 */
1526
1527         TAILQ_HEAD(cd9660_pt_head, ptq_entry) pt_head;
1528         TAILQ_INIT(&pt_head);
1529
1530         PTQUEUE_NEW(n, ptq_entry, -1, diskStructure.rootNode);
1531
1532         /* Push the root node */
1533         TAILQ_INSERT_HEAD(&pt_head, n, ptq);
1534
1535         /* Breadth-first traversal of file structure */
1536         while (pt_head.tqh_first != 0) {
1537                 n = pt_head.tqh_first;
1538                 dirNode = n->node;
1539                 TAILQ_REMOVE(&pt_head, pt_head.tqh_first, ptq);
1540                 free(n);
1541
1542                 /* Update the size */
1543                 pathTableSize += ISO_PATHTABLE_ENTRY_BASESIZE
1544                     + dirNode->isoDirRecord->name_len[0]+
1545                         (dirNode->isoDirRecord->name_len[0] % 2 == 0 ? 0 : 1);
1546                         /* includes the padding bit */
1547
1548                 dirNode->ptnumber=counter;
1549                 if (dirNode != last) {
1550                         last->ptnext = dirNode;
1551                         dirNode->ptprev = last;
1552                 }
1553                 last = dirNode;
1554
1555                 /* Push children onto queue */
1556                 TAILQ_FOREACH(cn, &dirNode->cn_children, cn_next_child) {
1557                         /*
1558                          * Dont add the DOT and DOTDOT types to the path
1559                          * table.
1560                          */
1561                         if ((cn->type != CD9660_TYPE_DOT)
1562                                 && (cn->type != CD9660_TYPE_DOTDOT)) {
1563
1564                                 if (S_ISDIR(cn->node->type)) {
1565                                         PTQUEUE_NEW(n, ptq_entry, -1, cn);
1566                                         TAILQ_INSERT_TAIL(&pt_head, n, ptq);
1567                                 }
1568                         }
1569                 }
1570                 counter++;
1571         }
1572         return pathTableSize;
1573 }
1574
1575 void
1576 cd9660_compute_full_filename(cd9660node *node, char *buf)
1577 {
1578         int len;
1579
1580         len = CD9660MAXPATH + 1;
1581         len = snprintf(buf, len, "%s/%s/%s", node->node->root,
1582             node->node->path, node->node->name);
1583         if (len > CD9660MAXPATH)
1584                 errx(1, "Pathname too long.");
1585 }
1586
1587 /* NEW filename conversion method */
1588 typedef int(*cd9660_filename_conversion_functor)(const char *, char *, int);
1589
1590
1591 /*
1592  * TODO: These two functions are almost identical.
1593  * Some code cleanup is possible here
1594  *
1595  * XXX bounds checking!
1596  */
1597 static int
1598 cd9660_level1_convert_filename(const char *oldname, char *newname, int is_file)
1599 {
1600         /*
1601          * ISO 9660 : 10.1
1602          * File Name shall not contain more than 8 d or d1 characters
1603          * File Name Extension shall not contain more than 3 d or d1 characters
1604          * Directory Identifier shall not contain more than 8 d or d1 characters
1605          */
1606         int namelen = 0;
1607         int extlen = 0;
1608         int found_ext = 0;
1609
1610         while (*oldname != '\0' && extlen < 3) {
1611                 /* Handle period first, as it is special */
1612                 if (*oldname == '.') {
1613                         if (found_ext) {
1614                                 *newname++ = '_';
1615                                 extlen ++;
1616                         }
1617                         else {
1618                                 *newname++ = '.';
1619                                 found_ext = 1;
1620                         }
1621                 } else {
1622                         /* cut RISC OS file type off ISO name */
1623                         if (diskStructure.archimedes_enabled &&
1624                             *oldname == ',' && strlen(oldname) == 4)
1625                                 break;
1626
1627                         /* Enforce 12.3 / 8 */
1628                         if (namelen == 8 && !found_ext)
1629                                 break;
1630
1631                         if (islower((unsigned char)*oldname))
1632                                 *newname++ = toupper((unsigned char)*oldname);
1633                         else if (isupper((unsigned char)*oldname)
1634                             || isdigit((unsigned char)*oldname))
1635                                 *newname++ = *oldname;
1636                         else
1637                                 *newname++ = '_';
1638
1639                         if (found_ext)
1640                                 extlen++;
1641                         else
1642                                 namelen++;
1643                 }
1644                 oldname++;
1645         }
1646         if (is_file) {
1647                 if (!found_ext && !diskStructure.omit_trailing_period)
1648                         *newname++ = '.';
1649                 /* Add version */
1650                 sprintf(newname, ";%i", 1);
1651         }
1652         return namelen + extlen + found_ext;
1653 }
1654
1655 /* XXX bounds checking! */
1656 static int
1657 cd9660_level2_convert_filename(const char *oldname, char *newname, int is_file)
1658 {
1659         /*
1660          * ISO 9660 : 7.5.1
1661          * File name : 0+ d or d1 characters
1662          * separator 1 (.)
1663          * File name extension : 0+ d or d1 characters
1664          * separator 2 (;)
1665          * File version number (5 characters, 1-32767)
1666          * 1 <= Sum of File name and File name extension <= 30
1667          */
1668         int namelen = 0;
1669         int extlen = 0;
1670         int found_ext = 0;
1671
1672         while (*oldname != '\0' && namelen + extlen < 30) {
1673                 /* Handle period first, as it is special */
1674                 if (*oldname == '.') {
1675                         if (found_ext) {
1676                                 if (diskStructure.allow_multidot) {
1677                                         *newname++ = '.';
1678                                 } else {
1679                                         *newname++ = '_';
1680                                 }
1681                                 extlen ++;
1682                         }
1683                         else {
1684                                 *newname++ = '.';
1685                                 found_ext = 1;
1686                         }
1687                 } else {
1688                         /* cut RISC OS file type off ISO name */
1689                         if (diskStructure.archimedes_enabled &&
1690                             *oldname == ',' && strlen(oldname) == 4)
1691                                 break;
1692
1693                          if (islower((unsigned char)*oldname))
1694                                 *newname++ = toupper((unsigned char)*oldname);
1695                         else if (isupper((unsigned char)*oldname) ||
1696                             isdigit((unsigned char)*oldname))
1697                                 *newname++ = *oldname;
1698                         else if (diskStructure.allow_multidot &&
1699                             *oldname == '.') {
1700                                 *newname++ = '.';
1701                         } else {
1702                                 *newname++ = '_';
1703                         }
1704
1705                         if (found_ext)
1706                                 extlen++;
1707                         else
1708                                 namelen++;
1709                 }
1710                 oldname ++;
1711         }
1712         if (is_file) {
1713                 if (!found_ext && !diskStructure.omit_trailing_period)
1714                         *newname++ = '.';
1715                 /* Add version */
1716                 sprintf(newname, ";%i", 1);
1717         }
1718         return namelen + extlen + found_ext;
1719 }
1720
1721 #if 0
1722 static int
1723 cd9660_joliet_convert_filename(const char *oldname, char *newname, int is_file)
1724 {
1725         /* TODO: implement later, move to cd9660_joliet.c ?? */
1726 }
1727 #endif
1728
1729
1730 /*
1731  * Convert a file name to ISO compliant file name
1732  * @param char * oldname The original filename
1733  * @param char ** newname The new file name, in the appropriate character
1734  *                        set and of appropriate length
1735  * @param int 1 if file, 0 if directory
1736  * @returns int The length of the new string
1737  */
1738 static int
1739 cd9660_convert_filename(const char *oldname, char *newname, int is_file)
1740 {
1741         assert(1 <= diskStructure.isoLevel && diskStructure.isoLevel <= 2);
1742         /* NEW */
1743         cd9660_filename_conversion_functor conversion_function = NULL;
1744         if (diskStructure.isoLevel == 1)
1745                 conversion_function = &cd9660_level1_convert_filename;
1746         else if (diskStructure.isoLevel == 2)
1747                 conversion_function = &cd9660_level2_convert_filename;
1748         return (*conversion_function)(oldname, newname, is_file);
1749 }
1750
1751 int
1752 cd9660_compute_record_size(cd9660node *node)
1753 {
1754         int size = node->isoDirRecord->length[0];
1755
1756         if (diskStructure.rock_ridge_enabled)
1757                 size += node->susp_entry_size;
1758         size += node->su_tail_size;
1759         size += size & 1; /* Ensure length of record is even. */
1760         assert(size <= 254);
1761         return size;
1762 }
1763
1764 static void
1765 cd9660_populate_dot_records(cd9660node *node)
1766 {
1767         node->dot_record->fileDataSector = node->fileDataSector;
1768         memcpy(node->dot_record->isoDirRecord,node->isoDirRecord, 34);
1769         node->dot_record->isoDirRecord->name_len[0] = 1;
1770         node->dot_record->isoDirRecord->name[0] = 0;
1771         node->dot_record->isoDirRecord->name[1] = 0;
1772         node->dot_record->isoDirRecord->length[0] = 34;
1773         node->dot_record->fileRecordSize =
1774             cd9660_compute_record_size(node->dot_record);
1775
1776         if (node == diskStructure.rootNode) {
1777                 node->dot_dot_record->fileDataSector = node->fileDataSector;
1778                 memcpy(node->dot_dot_record->isoDirRecord,node->isoDirRecord,
1779                     34);
1780         } else {
1781                 node->dot_dot_record->fileDataSector =
1782                     node->parent->fileDataSector;
1783                 memcpy(node->dot_dot_record->isoDirRecord,
1784                     node->parent->isoDirRecord,34);
1785         }
1786         node->dot_dot_record->isoDirRecord->name_len[0] = 1;
1787         node->dot_dot_record->isoDirRecord->name[0] = 1;
1788         node->dot_dot_record->isoDirRecord->name[1] = 0;
1789         node->dot_dot_record->isoDirRecord->length[0] = 34;
1790         node->dot_dot_record->fileRecordSize =
1791             cd9660_compute_record_size(node->dot_dot_record);
1792 }
1793
1794 /*
1795  * @param struct cd9660node *node The node
1796  * @param int The offset (in bytes) - SHOULD align to the beginning of a sector
1797  * @returns int The total size of files and directory entries (should be
1798  *              a multiple of sector size)
1799 */
1800 static int64_t
1801 cd9660_compute_offsets(cd9660node *node, int64_t startOffset)
1802 {
1803         /*
1804          * This function needs to compute the size of directory records and
1805          * runs, file lengths, and set the appropriate variables both in
1806          * cd9660node and isoDirEntry
1807          */
1808         int64_t used_bytes = 0;
1809         int64_t current_sector_usage = 0;
1810         cd9660node *child;
1811         fsinode *inode;
1812         int64_t r;
1813
1814         assert(node != NULL);
1815
1816
1817         /*
1818          * NOTE : There needs to be some special case detection for
1819          * the "real root" node, since for it, node->node is undefined
1820          */
1821
1822         node->fileDataSector = -1;
1823
1824         if (node->type & CD9660_TYPE_DIR) {
1825                 node->fileRecordSize = cd9660_compute_record_size(node);
1826                 /*Set what sector this directory starts in*/
1827                 node->fileDataSector =
1828                     CD9660_BLOCKS(diskStructure.sectorSize,startOffset);
1829
1830                 cd9660_bothendian_dword(node->fileDataSector,
1831                     node->isoDirRecord->extent);
1832
1833                 /*
1834                  * First loop over children, need to know the size of
1835                  * their directory records
1836                  */
1837                 node->fileSectorsUsed = 1;
1838                 TAILQ_FOREACH(child, &node->cn_children, cn_next_child) {
1839                         node->fileDataLength +=
1840                             cd9660_compute_record_size(child);
1841                         if ((cd9660_compute_record_size(child) +
1842                             current_sector_usage) >=
1843                             diskStructure.sectorSize) {
1844                                 current_sector_usage = 0;
1845                                 node->fileSectorsUsed++;
1846                         }
1847
1848                         current_sector_usage +=
1849                             cd9660_compute_record_size(child);
1850                 }
1851
1852                 cd9660_bothendian_dword(node->fileSectorsUsed *
1853                         diskStructure.sectorSize,node->isoDirRecord->size);
1854
1855                 /*
1856                  * This should point to the sector after the directory
1857                  * record (or, the first byte in that sector)
1858                  */
1859                 used_bytes += node->fileSectorsUsed * diskStructure.sectorSize;
1860
1861                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1862                      child != NULL; child = TAILQ_NEXT(child, cn_next_child)) {
1863                         /* Directories need recursive call */
1864                         if (S_ISDIR(child->node->type)) {
1865                                 r = cd9660_compute_offsets(child,
1866                                     used_bytes + startOffset);
1867
1868                                 if (r != -1)
1869                                         used_bytes += r;
1870                                 else
1871                                         return -1;
1872                         }
1873                 }
1874
1875                 /* Explicitly set the . and .. records */
1876                 cd9660_populate_dot_records(node);
1877
1878                 /* Finally, do another iteration to write the file data*/
1879                 for (child = TAILQ_NEXT(node->dot_dot_record, cn_next_child);
1880                      child != NULL;
1881                      child = TAILQ_NEXT(child, cn_next_child)) {
1882                         /* Files need extent set */
1883                         if (S_ISDIR(child->node->type))
1884                                 continue;
1885                         child->fileRecordSize =
1886                             cd9660_compute_record_size(child);
1887
1888                         child->fileSectorsUsed =
1889                             CD9660_BLOCKS(diskStructure.sectorSize,
1890                                 child->fileDataLength);
1891
1892                         inode = child->node->inode;
1893                         if ((inode->flags & FI_ALLOCATED) == 0) {
1894                                 inode->ino =
1895                                     CD9660_BLOCKS(diskStructure.sectorSize,
1896                                         used_bytes + startOffset);
1897                                 inode->flags |= FI_ALLOCATED;
1898                                 used_bytes += child->fileSectorsUsed *
1899                                     diskStructure.sectorSize;
1900                         } else {
1901                                 INODE_WARNX(("%s: already allocated inode %d "
1902                                       "data sectors at %" PRIu32, __func__,
1903                                       (int)inode->st.st_ino, inode->ino));
1904                         }
1905                         child->fileDataSector = inode->ino;
1906                         cd9660_bothendian_dword(child->fileDataSector,
1907                                 child->isoDirRecord->extent);
1908                 }
1909         }
1910
1911         return used_bytes;
1912 }
1913
1914 #if 0
1915 /* Might get rid of this func */
1916 static int
1917 cd9660_copy_stat_info(cd9660node *from, cd9660node *to, int file)
1918 {
1919         to->node->inode->st.st_dev = 0;
1920         to->node->inode->st.st_ino = 0;
1921         to->node->inode->st.st_size = 0;
1922         to->node->inode->st.st_blksize = from->node->inode->st.st_blksize;
1923         to->node->inode->st.st_atime = from->node->inode->st.st_atime;
1924         to->node->inode->st.st_mtime = from->node->inode->st.st_mtime;
1925         to->node->inode->st.st_ctime = from->node->inode->st.st_ctime;
1926         to->node->inode->st.st_uid = from->node->inode->st.st_uid;
1927         to->node->inode->st.st_gid = from->node->inode->st.st_gid;
1928         to->node->inode->st.st_mode = from->node->inode->st.st_mode;
1929         /* Clear out type */
1930         to->node->inode->st.st_mode = to->node->inode->st.st_mode & ~(S_IFMT);
1931         if (file)
1932                 to->node->inode->st.st_mode |= S_IFREG;
1933         else
1934                 to->node->inode->st.st_mode |= S_IFDIR;
1935         return 1;
1936 }
1937 #endif
1938
1939 static cd9660node *
1940 cd9660_create_virtual_entry(const char *name, cd9660node *parent, int file,
1941                             int insert)
1942 {
1943         cd9660node *temp;
1944         fsnode * tfsnode;
1945
1946         assert(parent != NULL);
1947
1948         temp = cd9660_allocate_cd9660node();
1949         if (temp == NULL)
1950                 return NULL;
1951
1952         if ((tfsnode = malloc(sizeof(fsnode))) == NULL) {
1953                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1954                 return NULL;
1955         }
1956
1957         /* Assume for now name is a valid length */
1958         if ((tfsnode->name = malloc(strlen(name) + 1)) == NULL) {
1959                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1960                 return NULL;
1961         }
1962
1963         if ((temp->isoDirRecord =
1964             malloc(sizeof(iso_directory_record_cd9660))) == NULL) {
1965                 CD9660_MEM_ALLOC_ERROR("cd9660_create_virtual_entry");
1966                 return NULL;
1967         }
1968
1969         strcpy(tfsnode->name, name);
1970
1971         cd9660_convert_filename(tfsnode->name, temp->isoDirRecord->name, file);
1972
1973         temp->node = tfsnode;
1974         temp->parent = parent;
1975
1976         if (insert) {
1977                 if (temp->parent != NULL) {
1978                         temp->level = temp->parent->level + 1;
1979                         if (!TAILQ_EMPTY(&temp->parent->cn_children))
1980                                 cd9660_sorted_child_insert(temp->parent, temp);
1981                         else
1982                                 TAILQ_INSERT_HEAD(&temp->parent->cn_children,
1983                                     temp, cn_next_child);
1984                 }
1985         }
1986
1987         if (parent->node != NULL) {
1988                 tfsnode->type = parent->node->type;
1989         }
1990
1991         /* Clear out file type bits */
1992         tfsnode->type &= ~(S_IFMT);
1993         if (file)
1994                 tfsnode->type |= S_IFREG;
1995         else
1996                 tfsnode->type |= S_IFDIR;
1997
1998         /* Indicate that there is no spec entry (inode) */
1999         tfsnode->flags &= ~(FSNODE_F_HASSPEC);
2000 #if 0
2001         cd9660_copy_stat_info(parent, temp, file);
2002 #endif
2003         return temp;
2004 }
2005
2006 static cd9660node *
2007 cd9660_create_file(const char * name, cd9660node *parent, cd9660node *me)
2008 {
2009         cd9660node *temp;
2010
2011         temp = cd9660_create_virtual_entry(name,parent,1,1);
2012         if (temp == NULL)
2013                 return NULL;
2014
2015         temp->fileDataLength = 0;
2016
2017         temp->type = CD9660_TYPE_FILE | CD9660_TYPE_VIRTUAL;
2018
2019         if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2020                 return NULL;
2021         *temp->node->inode = *me->node->inode;
2022
2023         if (cd9660_translate_node_common(temp) == 0)
2024                 return NULL;
2025         return temp;
2026 }
2027
2028 /*
2029  * Create a new directory which does not exist on disk
2030  * @param const char * name The name to assign to the directory
2031  * @param const char * parent Pointer to the parent directory
2032  * @returns cd9660node * Pointer to the new directory
2033  */
2034 static cd9660node *
2035 cd9660_create_directory(const char *name, cd9660node *parent, cd9660node *me)
2036 {
2037         cd9660node *temp;
2038
2039         temp = cd9660_create_virtual_entry(name,parent,0,1);
2040         if (temp == NULL)
2041                 return NULL;
2042         temp->node->type |= S_IFDIR;
2043
2044         temp->type = CD9660_TYPE_DIR | CD9660_TYPE_VIRTUAL;
2045
2046         if ((temp->node->inode = calloc(1, sizeof(fsinode))) == NULL)
2047                 return NULL;
2048         *temp->node->inode = *me->node->inode;
2049
2050         if (cd9660_translate_node_common(temp) == 0)
2051                 return NULL;
2052         return temp;
2053 }
2054
2055 static cd9660node *
2056 cd9660_create_special_directory(u_char type, cd9660node *parent)
2057 {
2058         cd9660node *temp, *first;
2059         char na[2];
2060
2061         assert(parent != NULL);
2062
2063         if (type == CD9660_TYPE_DOT)
2064                 na[0] = 0;
2065         else if (type == CD9660_TYPE_DOTDOT)
2066                 na[0] = 1;
2067         else
2068                 return 0;
2069
2070         na[1] = 0;
2071         if ((temp = cd9660_create_virtual_entry(na, parent, 0, 0)) == NULL)
2072                 return NULL;
2073
2074         temp->parent = parent;
2075         temp->type = type;
2076         temp->isoDirRecord->length[0] = 34;
2077         /* Dot record is always first */
2078         if (type == CD9660_TYPE_DOT) {
2079                 parent->dot_record = temp;
2080                 TAILQ_INSERT_HEAD(&parent->cn_children, temp, cn_next_child);
2081         /* DotDot should be second */
2082         } else if (type == CD9660_TYPE_DOTDOT) {
2083                 parent->dot_dot_record = temp;
2084                 /*
2085                  * If the first child is the dot record, insert
2086                  * this second.  Otherwise, insert it at the head.
2087                  */
2088                 if ((first = TAILQ_FIRST(&parent->cn_children)) == NULL ||
2089                     (first->type & CD9660_TYPE_DOT) == 0) {
2090                         TAILQ_INSERT_HEAD(&parent->cn_children, temp,
2091                             cn_next_child);
2092                 } else {
2093                         TAILQ_INSERT_AFTER(&parent->cn_children, first, temp,
2094                             cn_next_child);
2095                 }
2096         }
2097
2098         return temp;
2099 }
2100
2101 int
2102 cd9660_add_generic_bootimage(const char *bootimage)
2103 {
2104         struct stat stbuf;
2105
2106         assert(bootimage != NULL);
2107
2108         if (*bootimage == '\0') {
2109                 warnx("Error: Boot image must be a filename");
2110                 return 0;
2111         }
2112
2113         if ((diskStructure.generic_bootimage = strdup(bootimage)) == NULL) {
2114                 warn("%s: strdup", __func__);
2115                 return 0;
2116         }
2117
2118         /* Get information about the file */
2119         if (lstat(diskStructure.generic_bootimage, &stbuf) == -1)
2120                 err(EXIT_FAILURE, "%s: lstat(\"%s\")", __func__,
2121                     diskStructure.generic_bootimage);
2122
2123         if (stbuf.st_size > 32768) {
2124                 warnx("Error: Boot image must be no greater than 32768 bytes");
2125                 return 0;
2126         }
2127
2128         if (diskStructure.verbose_level > 0) {
2129                 printf("Generic boot image image has size %lld\n",
2130                     (long long)stbuf.st_size);
2131         }
2132
2133         diskStructure.has_generic_bootimage = 1;
2134
2135         return 1;
2136 }