1/* $NetBSD: iso9660_rrip.c,v 1.14 2014/05/30 13:14:47 martin 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/* This will hold all the function definitions 35 * defined in iso9660_rrip.h 36 */ 37 38#include "makefs.h" 39#include "cd9660.h" 40#include "iso9660_rrip.h" 41#include <sys/queue.h> 42#include <stdio.h> 43 44#include <sys/cdefs.h> 45__FBSDID("$FreeBSD$"); 46 47static void cd9660_rrip_initialize_inode(cd9660node *); 48static int cd9660_susp_handle_continuation(cd9660node *); 49static int cd9660_susp_handle_continuation_common(cd9660node *, int); 50 51int 52cd9660_susp_initialize(cd9660node *node, cd9660node *parent, 53 cd9660node *grandparent) 54{ 55 cd9660node *cn; 56 int r; 57 58 /* Make sure the node is not NULL. If it is, there are major problems */ 59 assert(node != NULL); 60 61 if (!(node->type & CD9660_TYPE_DOT) && 62 !(node->type & CD9660_TYPE_DOTDOT)) 63 TAILQ_INIT(&(node->head)); 64 if (node->dot_record != 0) 65 TAILQ_INIT(&(node->dot_record->head)); 66 if (node->dot_dot_record != 0) 67 TAILQ_INIT(&(node->dot_dot_record->head)); 68 69 /* SUSP specific entries here */ 70 if ((r = cd9660_susp_initialize_node(node)) < 0) 71 return r; 72 73 /* currently called cd9660node_rrip_init_links */ 74 r = cd9660_rrip_initialize_node(node, parent, grandparent); 75 if (r < 0) 76 return r; 77 78 /* 79 * See if we need a CE record, and set all of the 80 * associated counters. 81 * 82 * This should be called after all extensions. After 83 * this is called, no new records should be added. 84 */ 85 if ((r = cd9660_susp_handle_continuation(node)) < 0) 86 return r; 87 88 /* Recurse on children. */ 89 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 90 if ((r = cd9660_susp_initialize(cn, node, parent)) < 0) 91 return 0; 92 } 93 return 1; 94} 95 96int 97cd9660_susp_finalize(cd9660node *node) 98{ 99 cd9660node *temp; 100 int r; 101 102 assert(node != NULL); 103 104 if (node == diskStructure.rootNode) 105 diskStructure.susp_continuation_area_current_free = 0; 106 107 if ((r = cd9660_susp_finalize_node(node)) < 0) 108 return r; 109 if ((r = cd9660_rrip_finalize_node(node)) < 0) 110 return r; 111 112 TAILQ_FOREACH(temp, &node->cn_children, cn_next_child) { 113 if ((r = cd9660_susp_finalize(temp)) < 0) 114 return r; 115 } 116 return 1; 117} 118 119/* 120 * If we really wanted to speed things up, we could have some sort of 121 * lookup table on the SUSP entry type that calls a functor. Or, we could 122 * combine the functions. These functions are kept separate to allow 123 * easier addition of other extensions. 124 125 * For the sake of simplicity and clarity, we won't be doing that for now. 126 */ 127 128/* 129 * SUSP needs to update the following types: 130 * CE (continuation area) 131 */ 132int 133cd9660_susp_finalize_node(cd9660node *node) 134{ 135 struct ISO_SUSP_ATTRIBUTES *t; 136 137 /* Handle CE counters */ 138 if (node->susp_entry_ce_length > 0) { 139 node->susp_entry_ce_start = 140 diskStructure.susp_continuation_area_current_free; 141 diskStructure.susp_continuation_area_current_free += 142 node->susp_entry_ce_length; 143 } 144 145 TAILQ_FOREACH(t, &node->head, rr_ll) { 146 if (t->susp_type != SUSP_TYPE_SUSP || 147 t->entry_type != SUSP_ENTRY_SUSP_CE) 148 continue; 149 cd9660_bothendian_dword( 150 diskStructure. 151 susp_continuation_area_start_sector, 152 t->attr.su_entry.CE.ca_sector); 153 154 cd9660_bothendian_dword( 155 diskStructure. 156 susp_continuation_area_start_sector, 157 t->attr.su_entry.CE.ca_sector); 158 cd9660_bothendian_dword(node->susp_entry_ce_start, 159 t->attr.su_entry.CE.offset); 160 cd9660_bothendian_dword(node->susp_entry_ce_length, 161 t->attr.su_entry.CE.length); 162 } 163 return 0; 164} 165 166int 167cd9660_rrip_finalize_node(cd9660node *node) 168{ 169 struct ISO_SUSP_ATTRIBUTES *t; 170 171 TAILQ_FOREACH(t, &node->head, rr_ll) { 172 if (t->susp_type != SUSP_TYPE_RRIP) 173 continue; 174 switch (t->entry_type) { 175 case SUSP_ENTRY_RRIP_CL: 176 /* Look at rr_relocated*/ 177 if (node->rr_relocated == NULL) 178 return -1; 179 cd9660_bothendian_dword( 180 node->rr_relocated->fileDataSector, 181 (unsigned char *) 182 t->attr.rr_entry.CL.dir_loc); 183 break; 184 case SUSP_ENTRY_RRIP_PL: 185 /* Look at rr_real_parent */ 186 if (node->parent == NULL || 187 node->parent->rr_real_parent == NULL) 188 return -1; 189 cd9660_bothendian_dword( 190 node->parent->rr_real_parent->fileDataSector, 191 (unsigned char *) 192 t->attr.rr_entry.PL.dir_loc); 193 break; 194 } 195 } 196 return 0; 197} 198 199static int 200cd9660_susp_handle_continuation_common(cd9660node *node, int space) 201{ 202 int ca_used, susp_used, susp_used_pre_ce, working; 203 struct ISO_SUSP_ATTRIBUTES *temp, *pre_ce, *last, *CE, *ST; 204 205 pre_ce = last = NULL; 206 working = 254 - space; 207 if (node->su_tail_size > 0) 208 /* Allow 4 bytes for "ST" record. */ 209 working -= node->su_tail_size + 4; 210 /* printf("There are %i bytes to work with\n",working); */ 211 212 susp_used_pre_ce = susp_used = 0; 213 ca_used = 0; 214 TAILQ_FOREACH(temp, &node->head, rr_ll) { 215 if (working < 0) 216 break; 217 /* 218 * printf("SUSP Entry found, length is %i\n", 219 * CD9660_SUSP_ENTRY_SIZE(temp)); 220 */ 221 working -= CD9660_SUSP_ENTRY_SIZE(temp); 222 if (working >= 0) { 223 last = temp; 224 susp_used += CD9660_SUSP_ENTRY_SIZE(temp); 225 } 226 if (working >= 28) { 227 /* 228 * Remember the last entry after which we 229 * could insert a "CE" entry. 230 */ 231 pre_ce = last; 232 susp_used_pre_ce = susp_used; 233 } 234 } 235 236 /* A CE entry is needed */ 237 if (working <= 0) { 238 CE = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 239 SUSP_ENTRY_SUSP_CE, "CE", SUSP_LOC_ENTRY); 240 cd9660_susp_ce(CE, node); 241 /* This will automatically insert at the appropriate location */ 242 if (pre_ce != NULL) 243 TAILQ_INSERT_AFTER(&node->head, pre_ce, CE, rr_ll); 244 else 245 TAILQ_INSERT_HEAD(&node->head, CE, rr_ll); 246 last = CE; 247 susp_used = susp_used_pre_ce + 28; 248 /* Count how much CA data is necessary */ 249 for (temp = TAILQ_NEXT(last, rr_ll); temp != NULL; 250 temp = TAILQ_NEXT(temp, rr_ll)) { 251 ca_used += CD9660_SUSP_ENTRY_SIZE(temp); 252 } 253 } 254 255 /* An ST entry is needed */ 256 if (node->su_tail_size > 0) { 257 ST = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 258 SUSP_ENTRY_SUSP_ST, "ST", SUSP_LOC_ENTRY); 259 cd9660_susp_st(ST, node); 260 if (last != NULL) 261 TAILQ_INSERT_AFTER(&node->head, last, ST, rr_ll); 262 else 263 TAILQ_INSERT_HEAD(&node->head, ST, rr_ll); 264 last = ST; 265 susp_used += 4; 266 } 267 if (last != NULL) 268 last->last_in_suf = 1; 269 270 node->susp_entry_size = susp_used; 271 node->susp_entry_ce_length = ca_used; 272 273 diskStructure.susp_continuation_area_size += ca_used; 274 return 1; 275} 276 277/* See if a continuation entry is needed for each of the different types */ 278static int 279cd9660_susp_handle_continuation(cd9660node *node) 280{ 281 assert (node != NULL); 282 283 /* Entry */ 284 if (cd9660_susp_handle_continuation_common( 285 node,(int)(node->isoDirRecord->length[0])) < 0) 286 return 0; 287 288 return 1; 289} 290 291int 292cd9660_susp_initialize_node(cd9660node *node) 293{ 294 struct ISO_SUSP_ATTRIBUTES *temp; 295 296 /* 297 * Requirements/notes: 298 * CE: is added for us where needed 299 * ST: not sure if it is even required, but if so, should be 300 * handled by the CE code 301 * PD: isn't needed (though might be added for testing) 302 * SP: is stored ONLY on the . record of the root directory 303 * ES: not sure 304 */ 305 306 /* Check for root directory, add SP and ER if needed. */ 307 if (node->type & CD9660_TYPE_DOT) { 308 if (node->parent == diskStructure.rootNode) { 309 temp = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 310 SUSP_ENTRY_SUSP_SP, "SP", SUSP_LOC_DOT); 311 cd9660_susp_sp(temp, node); 312 313 /* Should be first entry. */ 314 TAILQ_INSERT_HEAD(&node->head, temp, rr_ll); 315 } 316 } 317 return 1; 318} 319 320static void 321cd9660_rrip_initialize_inode(cd9660node *node) 322{ 323 struct ISO_SUSP_ATTRIBUTES *attr; 324 325 /* 326 * Inode dependent values - this may change, 327 * but for now virtual files and directories do 328 * not have an inode structure 329 */ 330 331 if ((node->node != NULL) && (node->node->inode != NULL)) { 332 /* PX - POSIX attributes */ 333 attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 334 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 335 cd9660node_rrip_px(attr, node->node); 336 337 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 338 339 /* TF - timestamp */ 340 attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 341 SUSP_ENTRY_RRIP_TF, "TF", SUSP_LOC_ENTRY); 342 cd9660node_rrip_tf(attr, node->node); 343 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 344 345 /* SL - Symbolic link */ 346 /* ?????????? Dan - why is this here? */ 347 if (TAILQ_EMPTY(&node->cn_children) && 348 node->node->inode != NULL && 349 S_ISLNK(node->node->inode->st.st_mode)) 350 cd9660_createSL(node); 351 352 /* PN - device number */ 353 if (node->node->inode != NULL && 354 ((S_ISCHR(node->node->inode->st.st_mode) || 355 S_ISBLK(node->node->inode->st.st_mode)))) { 356 attr = 357 cd9660node_susp_create_node(SUSP_TYPE_RRIP, 358 SUSP_ENTRY_RRIP_PN, "PN", 359 SUSP_LOC_ENTRY); 360 cd9660node_rrip_pn(attr, node->node); 361 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 362 } 363 } 364} 365 366int 367cd9660_rrip_initialize_node(cd9660node *node, cd9660node *parent, 368 cd9660node *grandparent) 369{ 370 struct ISO_SUSP_ATTRIBUTES *current = NULL; 371 372 assert(node != NULL); 373 374 if (node->type & CD9660_TYPE_DOT) { 375 /* 376 * Handle ER - should be the only entry to appear on 377 * a "." record 378 */ 379 if (node->parent == diskStructure.rootNode) { 380 cd9660_susp_ER(node, 1, SUSP_RRIP_ER_EXT_ID, 381 SUSP_RRIP_ER_EXT_DES, SUSP_RRIP_ER_EXT_SRC); 382 } 383 if (parent != NULL && parent->node != NULL && 384 parent->node->inode != NULL) { 385 /* PX - POSIX attributes */ 386 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 387 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 388 cd9660node_rrip_px(current, parent->node); 389 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 390 } 391 } else if (node->type & CD9660_TYPE_DOTDOT) { 392 if (grandparent != NULL && grandparent->node != NULL && 393 grandparent->node->inode != NULL) { 394 /* PX - POSIX attributes */ 395 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 396 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 397 cd9660node_rrip_px(current, grandparent->node); 398 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 399 } 400 /* Handle PL */ 401 if (parent != NULL && parent->rr_real_parent != NULL) { 402 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 403 SUSP_ENTRY_RRIP_PL, "PL", SUSP_LOC_DOTDOT); 404 cd9660_rrip_PL(current,node); 405 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 406 } 407 } else { 408 cd9660_rrip_initialize_inode(node); 409 410 /* 411 * Not every node needs a NM set - only if the name is 412 * actually different. IE: If a file is TEST -> TEST, 413 * no NM. test -> TEST, need a NM 414 * 415 * The rr_moved_dir needs to be assigned a NM record as well. 416 */ 417 if (node == diskStructure.rr_moved_dir) { 418 cd9660_rrip_add_NM(node, RRIP_DEFAULT_MOVE_DIR_NAME); 419 } 420 else if ((node->node != NULL) && 421 ((strlen(node->node->name) != 422 (uint8_t)node->isoDirRecord->name_len[0]) || 423 (memcmp(node->node->name,node->isoDirRecord->name, 424 (uint8_t)node->isoDirRecord->name_len[0]) != 0))) { 425 cd9660_rrip_NM(node); 426 } 427 428 429 430 /* Rock ridge directory relocation code here. */ 431 432 /* First handle the CL for the placeholder file. */ 433 if (node->rr_relocated != NULL) { 434 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 435 SUSP_ENTRY_RRIP_CL, "CL", SUSP_LOC_ENTRY); 436 cd9660_rrip_CL(current, node); 437 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 438 } 439 440 /* Handle RE*/ 441 if (node->rr_real_parent != NULL) { 442 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 443 SUSP_ENTRY_RRIP_RE, "RE", SUSP_LOC_ENTRY); 444 cd9660_rrip_RE(current,node); 445 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 446 } 447 } 448 return 1; 449} 450 451struct ISO_SUSP_ATTRIBUTES* 452cd9660node_susp_create_node(int susp_type, int entry_type, const char *type_id, 453 int write_loc) 454{ 455 struct ISO_SUSP_ATTRIBUTES* temp; 456 457 if ((temp = malloc(sizeof(struct ISO_SUSP_ATTRIBUTES))) == NULL) { 458 CD9660_MEM_ALLOC_ERROR("cd9660node_susp_create_node"); 459 exit(1); 460 } 461 462 temp->susp_type = susp_type; 463 temp->entry_type = entry_type; 464 temp->last_in_suf = 0; 465 /* Phase this out */ 466 temp->type_of[0] = type_id[0]; 467 temp->type_of[1] = type_id[1]; 468 temp->write_location = write_loc; 469 470 /* 471 * Since the first four bytes is common, lets go ahead and 472 * set the type identifier, since we are passing that to this 473 * function anyhow. 474 */ 475 temp->attr.su_entry.SP.h.type[0] = type_id[0]; 476 temp->attr.su_entry.SP.h.type[1] = type_id[1]; 477 return temp; 478} 479 480int 481cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES* p, cd9660node *node __unused) 482{ 483 p->attr.rr_entry.PL.h.length[0] = 12; 484 p->attr.rr_entry.PL.h.version[0] = 1; 485 return 1; 486} 487 488int 489cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) 490{ 491 p->attr.rr_entry.CL.h.length[0] = 12; 492 p->attr.rr_entry.CL.h.version[0] = 1; 493 return 1; 494} 495 496int 497cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) 498{ 499 p->attr.rr_entry.RE.h.length[0] = 4; 500 p->attr.rr_entry.RE.h.version[0] = 1; 501 return 1; 502} 503 504void 505cd9660_createSL(cd9660node *node) 506{ 507 struct ISO_SUSP_ATTRIBUTES* current; 508 int path_count, dir_count, done, i, j, dir_copied; 509 char temp_cr[255]; 510 char temp_sl[255]; /* used in copying continuation entry*/ 511 char* sl_ptr; 512 513 sl_ptr = node->node->symlink; 514 515 done = 0; 516 path_count = 0; 517 dir_count = 0; 518 dir_copied = 0; 519 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 520 SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); 521 522 current->attr.rr_entry.SL.h.version[0] = 1; 523 current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; 524 525 if (*sl_ptr == '/') { 526 temp_cr[0] = SL_FLAGS_ROOT; 527 temp_cr[1] = 0; 528 memcpy(current->attr.rr_entry.SL.component + path_count, 529 temp_cr, 2); 530 path_count += 2; 531 sl_ptr++; 532 } 533 534 for (i = 0; i < (dir_count + 2); i++) 535 temp_cr[i] = '\0'; 536 537 while (!done) { 538 while ((*sl_ptr != '/') && (*sl_ptr != '\0')) { 539 dir_copied = 1; 540 if (*sl_ptr == '.') { 541 if ((*(sl_ptr + 1) == '/') || (*(sl_ptr + 1) 542 == '\0')) { 543 temp_cr[0] = SL_FLAGS_CURRENT; 544 sl_ptr++; 545 } else if(*(sl_ptr + 1) == '.') { 546 if ((*(sl_ptr + 2) == '/') || 547 (*(sl_ptr + 2) == '\0')) { 548 temp_cr[0] = SL_FLAGS_PARENT; 549 sl_ptr += 2; 550 } 551 } else { 552 temp_cr[dir_count+2] = *sl_ptr; 553 sl_ptr++; 554 dir_count++; 555 } 556 } else { 557 temp_cr[dir_count + 2] = *sl_ptr; 558 sl_ptr++; 559 dir_count++; 560 } 561 } 562 563 if ((path_count + dir_count) >= 249) { 564 current->attr.rr_entry.SL.flags[0] |= SL_FLAGS_CONTINUE; 565 566 j = 0; 567 568 if (path_count <= 249) { 569 while(j != (249 - path_count)) { 570 temp_sl[j] = temp_cr[j]; 571 j++; 572 } 573 temp_sl[0] = SL_FLAGS_CONTINUE; 574 temp_sl[1] = j - 2; 575 memcpy( 576 current->attr.rr_entry.SL.component + 577 path_count, 578 temp_sl, j); 579 } 580 581 path_count += j; 582 current->attr.rr_entry.SL.h.length[0] = path_count + 5; 583 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 584 current= cd9660node_susp_create_node(SUSP_TYPE_RRIP, 585 SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); 586 current->attr.rr_entry.SL.h.version[0] = 1; 587 current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; 588 589 path_count = 0; 590 591 if (dir_count > 2) { 592 while (j != dir_count + 2) { 593 current->attr.rr_entry.SL.component[ 594 path_count + 2] = temp_cr[j]; 595 j++; 596 path_count++; 597 } 598 current->attr.rr_entry.SL.component[1] 599 = path_count; 600 path_count+= 2; 601 } else { 602 while(j != dir_count) { 603 current->attr.rr_entry.SL.component[ 604 path_count+2] = temp_cr[j]; 605 j++; 606 path_count++; 607 } 608 } 609 } else { 610 if (dir_copied == 1) { 611 temp_cr[1] = dir_count; 612 memcpy(current->attr.rr_entry.SL.component + 613 path_count, 614 temp_cr, dir_count + 2); 615 path_count += dir_count + 2; 616 } 617 } 618 619 if (*sl_ptr == '\0') { 620 done = 1; 621 current->attr.rr_entry.SL.h.length[0] = path_count + 5; 622 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 623 } else { 624 sl_ptr++; 625 dir_count = 0; 626 dir_copied = 0; 627 for(i = 0; i < 255; i++) { 628 temp_cr[i] = '\0'; 629 } 630 } 631 } 632} 633 634int 635cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *v, fsnode *pxinfo) 636{ 637 v->attr.rr_entry.PX.h.length[0] = 44; 638 v->attr.rr_entry.PX.h.version[0] = 1; 639 cd9660_bothendian_dword(pxinfo->inode->st.st_mode, 640 v->attr.rr_entry.PX.mode); 641 cd9660_bothendian_dword(pxinfo->inode->st.st_nlink, 642 v->attr.rr_entry.PX.links); 643 cd9660_bothendian_dword(pxinfo->inode->st.st_uid, 644 v->attr.rr_entry.PX.uid); 645 cd9660_bothendian_dword(pxinfo->inode->st.st_gid, 646 v->attr.rr_entry.PX.gid); 647 cd9660_bothendian_dword(pxinfo->inode->st.st_ino, 648 v->attr.rr_entry.PX.serial); 649 650 return 1; 651} 652 653int 654cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *pn_field, fsnode *fnode) 655{ 656 pn_field->attr.rr_entry.PN.h.length[0] = 20; 657 pn_field->attr.rr_entry.PN.h.version[0] = 1; 658 659 if (sizeof (fnode->inode->st.st_rdev) > 4) 660 cd9660_bothendian_dword( 661 (uint64_t)fnode->inode->st.st_rdev >> 32, 662 pn_field->attr.rr_entry.PN.high); 663 else 664 cd9660_bothendian_dword(0, pn_field->attr.rr_entry.PN.high); 665 666 cd9660_bothendian_dword(fnode->inode->st.st_rdev & 0xffffffff, 667 pn_field->attr.rr_entry.PN.low); 668 return 1; 669} 670 671#if 0 672int 673cd9660node_rrip_nm(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *file_node) 674{ 675 int nm_length = strlen(file_node->isoDirRecord->name) + 5; 676 p->attr.rr_entry.NM.h.type[0] = 'N'; 677 p->attr.rr_entry.NM.h.type[1] = 'M'; 678 sprintf(p->attr.rr_entry.NM.altname, "%s", file_node->isoDirRecord->name); 679 p->attr.rr_entry.NM.h.length[0] = (unsigned char)nm_length; 680 p->attr.rr_entry.NM.h.version[0] = (unsigned char)1; 681 p->attr.rr_entry.NM.flags[0] = (unsigned char) NM_PARENT; 682 return 1; 683} 684#endif 685 686int 687cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *p, fsnode *_node) 688{ 689 p->attr.rr_entry.TF.flags[0] = TF_MODIFY | TF_ACCESS | TF_ATTRIBUTES; 690 p->attr.rr_entry.TF.h.length[0] = 5; 691 p->attr.rr_entry.TF.h.version[0] = 1; 692 693 /* 694 * Need to add creation time, backup time, 695 * expiration time, and effective time. 696 */ 697 698 cd9660_time_915(p->attr.rr_entry.TF.timestamp, 699 _node->inode->st.st_atime); 700 p->attr.rr_entry.TF.h.length[0] += 7; 701 702 cd9660_time_915(p->attr.rr_entry.TF.timestamp + 7, 703 _node->inode->st.st_mtime); 704 p->attr.rr_entry.TF.h.length[0] += 7; 705 706 cd9660_time_915(p->attr.rr_entry.TF.timestamp + 14, 707 _node->inode->st.st_ctime); 708 p->attr.rr_entry.TF.h.length[0] += 7; 709 return 1; 710} 711 712int 713cd9660_susp_sp(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused) 714{ 715 p->attr.su_entry.SP.h.length[0] = 7; 716 p->attr.su_entry.SP.h.version[0] = 1; 717 p->attr.su_entry.SP.check[0] = 0xBE; 718 p->attr.su_entry.SP.check[1] = 0xEF; 719 p->attr.su_entry.SP.len_skp[0] = 0; 720 return 1; 721} 722 723int 724cd9660_susp_st(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *stinfo __unused) 725{ 726 p->attr.su_entry.ST.h.type[0] = 'S'; 727 p->attr.su_entry.ST.h.type[1] = 'T'; 728 p->attr.su_entry.ST.h.length[0] = 4; 729 p->attr.su_entry.ST.h.version[0] = 1; 730 return 1; 731} 732 733int 734cd9660_susp_ce(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *spinfo __unused) 735{ 736 p->attr.su_entry.CE.h.length[0] = 28; 737 p->attr.su_entry.CE.h.version[0] = 1; 738 /* Other attributes dont matter right now, will be updated later */ 739 return 1; 740} 741 742int 743cd9660_susp_pd(struct ISO_SUSP_ATTRIBUTES *p __unused, int length __unused) 744{ 745 return 1; 746} 747 748void 749cd9660_rrip_add_NM(cd9660node *node, const char *name) 750{ 751 int working,len; 752 const char *p; 753 struct ISO_SUSP_ATTRIBUTES *r; 754 755 /* 756 * Each NM record has 254 byes to work with. This means that 757 * the name data itself only has 249 bytes to work with. So, a 758 * name with 251 characters would require two nm records. 759 */ 760 p = name; 761 working = 1; 762 while (working) { 763 r = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 764 SUSP_ENTRY_RRIP_NM, "NM", SUSP_LOC_ENTRY); 765 r->attr.rr_entry.NM.h.version[0] = 1; 766 r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_NONE; 767 len = strlen(p); 768 769 if (len > 249) { 770 len = 249; 771 r->attr.rr_entry.NM.flags[0] = RRIP_NM_FLAGS_CONTINUE; 772 } else { 773 working = 0; 774 } 775 memcpy(r->attr.rr_entry.NM.altname, p, len); 776 r->attr.rr_entry.NM.h.length[0] = 5 + len; 777 778 TAILQ_INSERT_TAIL(&node->head, r, rr_ll); 779 780 p += len; 781 } 782} 783 784void 785cd9660_rrip_NM(cd9660node *node) 786{ 787 cd9660_rrip_add_NM(node, node->node->name); 788} 789 790struct ISO_SUSP_ATTRIBUTES* 791cd9660_susp_ER(cd9660node *node, 792 u_char ext_version, const char* ext_id, const char* ext_des, 793 const char* ext_src) 794{ 795 int l; 796 struct ISO_SUSP_ATTRIBUTES *r; 797 798 r = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 799 SUSP_ENTRY_SUSP_ER, "ER", SUSP_LOC_DOT); 800 801 /* Fixed data is 8 bytes */ 802 r->attr.su_entry.ER.h.length[0] = 8; 803 r->attr.su_entry.ER.h.version[0] = 1; 804 805 r->attr.su_entry.ER.len_id[0] = (u_char)strlen(ext_id); 806 r->attr.su_entry.ER.len_des[0] = (u_char)strlen(ext_des); 807 r->attr.su_entry.ER.len_src[0] = (u_char)strlen(ext_src); 808 809 l = r->attr.su_entry.ER.len_id[0] + 810 r->attr.su_entry.ER.len_src[0] + 811 r->attr.su_entry.ER.len_des[0]; 812 813 /* Everything must fit. */ 814 assert(l + r->attr.su_entry.ER.h.length[0] <= 254); 815 816 r->attr.su_entry.ER.h.length[0] += (u_char)l; 817 818 819 r->attr.su_entry.ER.ext_ver[0] = ext_version; 820 memcpy(r->attr.su_entry.ER.ext_data, ext_id, 821 (int)r->attr.su_entry.ER.len_id[0]); 822 l = (int) r->attr.su_entry.ER.len_id[0]; 823 memcpy(r->attr.su_entry.ER.ext_data + l,ext_des, 824 (int)r->attr.su_entry.ER.len_des[0]); 825 826 l += (int)r->attr.su_entry.ER.len_des[0]; 827 memcpy(r->attr.su_entry.ER.ext_data + l,ext_src, 828 (int)r->attr.su_entry.ER.len_src[0]); 829 830 TAILQ_INSERT_TAIL(&node->head, r, rr_ll); 831 return r; 832} 833 834struct ISO_SUSP_ATTRIBUTES* 835cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES *last __unused, cd9660node *node __unused) 836{ 837 return NULL; 838} 839