iso9660_rrip.c revision 1.10.4.1
1 /* $NetBSD: iso9660_rrip.c,v 1.10.4.1 2012/05/23 10:08:29 yamt 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 #if defined(__RCSID) && !defined(__lint) 46 __RCSID("$NetBSD: iso9660_rrip.c,v 1.10.4.1 2012/05/23 10:08:29 yamt Exp $"); 47 #endif /* !__lint */ 48 49 static void cd9660_rrip_initialize_inode(cd9660node *); 50 static int cd9660_susp_handle_continuation(cd9660node *); 51 static int cd9660_susp_handle_continuation_common(cd9660node *, int); 52 53 int 54 cd9660_susp_initialize(cd9660node *node, cd9660node *parent, 55 cd9660node *grandparent) 56 { 57 cd9660node *cn; 58 int r; 59 60 /* Make sure the node is not NULL. If it is, there are major problems */ 61 assert(node != NULL); 62 63 if (!(node->type & CD9660_TYPE_DOT) && 64 !(node->type & CD9660_TYPE_DOTDOT)) 65 TAILQ_INIT(&(node->head)); 66 if (node->dot_record != 0) 67 TAILQ_INIT(&(node->dot_record->head)); 68 if (node->dot_dot_record != 0) 69 TAILQ_INIT(&(node->dot_dot_record->head)); 70 71 /* SUSP specific entries here */ 72 if ((r = cd9660_susp_initialize_node(node)) < 0) 73 return r; 74 75 /* currently called cd9660node_rrip_init_links */ 76 r = cd9660_rrip_initialize_node(node, parent, grandparent); 77 if (r < 0) 78 return r; 79 80 /* 81 * See if we need a CE record, and set all of the 82 * associated counters. 83 * 84 * This should be called after all extensions. After 85 * this is called, no new records should be added. 86 */ 87 if ((r = cd9660_susp_handle_continuation(node)) < 0) 88 return r; 89 90 /* Recurse on children. */ 91 TAILQ_FOREACH(cn, &node->cn_children, cn_next_child) { 92 if ((r = cd9660_susp_initialize(cn, node, parent)) < 0) 93 return 0; 94 } 95 return 1; 96 } 97 98 int 99 cd9660_susp_finalize(cd9660node *node) 100 { 101 cd9660node *temp; 102 int r; 103 104 assert(node != NULL); 105 106 if (node == diskStructure.rootNode) 107 diskStructure.susp_continuation_area_current_free = 0; 108 109 if ((r = cd9660_susp_finalize_node(node)) < 0) 110 return r; 111 if ((r = cd9660_rrip_finalize_node(node)) < 0) 112 return r; 113 114 TAILQ_FOREACH(temp, &node->cn_children, cn_next_child) { 115 if ((r = cd9660_susp_finalize(temp)) < 0) 116 return r; 117 } 118 return 1; 119 } 120 121 /* 122 * If we really wanted to speed things up, we could have some sort of 123 * lookup table on the SUSP entry type that calls a functor. Or, we could 124 * combine the functions. These functions are kept separate to allow 125 * easier addition of other extensions. 126 127 * For the sake of simplicity and clarity, we won't be doing that for now. 128 */ 129 130 /* 131 * SUSP needs to update the following types: 132 * CE (continuation area) 133 */ 134 int 135 cd9660_susp_finalize_node(cd9660node *node) 136 { 137 struct ISO_SUSP_ATTRIBUTES *t; 138 139 /* Handle CE counters */ 140 if (node->susp_entry_ce_length > 0) { 141 node->susp_entry_ce_start = 142 diskStructure.susp_continuation_area_current_free; 143 diskStructure.susp_continuation_area_current_free += 144 node->susp_entry_ce_length; 145 } 146 147 TAILQ_FOREACH(t, &node->head, rr_ll) { 148 if (t->susp_type != SUSP_TYPE_SUSP || 149 t->entry_type != SUSP_ENTRY_SUSP_CE) 150 continue; 151 cd9660_bothendian_dword( 152 diskStructure. 153 susp_continuation_area_start_sector, 154 t->attr.su_entry.CE.ca_sector); 155 156 cd9660_bothendian_dword( 157 diskStructure. 158 susp_continuation_area_start_sector, 159 t->attr.su_entry.CE.ca_sector); 160 cd9660_bothendian_dword(node->susp_entry_ce_start, 161 t->attr.su_entry.CE.offset); 162 cd9660_bothendian_dword(node->susp_entry_ce_length, 163 t->attr.su_entry.CE.length); 164 } 165 return 0; 166 } 167 168 int 169 cd9660_rrip_finalize_node(cd9660node *node) 170 { 171 struct ISO_SUSP_ATTRIBUTES *t; 172 173 TAILQ_FOREACH(t, &node->head, rr_ll) { 174 if (t->susp_type != SUSP_TYPE_RRIP) 175 continue; 176 switch (t->entry_type) { 177 case SUSP_ENTRY_RRIP_CL: 178 /* Look at rr_relocated*/ 179 if (node->rr_relocated == NULL) 180 return -1; 181 cd9660_bothendian_dword( 182 node->rr_relocated->fileDataSector, 183 (unsigned char *) 184 t->attr.rr_entry.CL.dir_loc); 185 break; 186 case SUSP_ENTRY_RRIP_PL: 187 /* Look at rr_real_parent */ 188 if (node->parent == NULL || 189 node->parent->rr_real_parent == NULL) 190 return -1; 191 cd9660_bothendian_dword( 192 node->parent->rr_real_parent->fileDataSector, 193 (unsigned char *) 194 t->attr.rr_entry.PL.dir_loc); 195 break; 196 } 197 } 198 return 0; 199 } 200 201 static int 202 cd9660_susp_handle_continuation_common(cd9660node *node, int space) 203 { 204 int ca_used, susp_used, susp_used_pre_ce, working; 205 struct ISO_SUSP_ATTRIBUTES *temp, *pre_ce, *last, *CE, *ST; 206 207 pre_ce = last = NULL; 208 working = 254 - space; 209 if (node->su_tail_size > 0) 210 /* Allow 4 bytes for "ST" record. */ 211 working -= node->su_tail_size + 4; 212 /* printf("There are %i bytes to work with\n",working); */ 213 214 susp_used_pre_ce = susp_used = 0; 215 ca_used = 0; 216 TAILQ_FOREACH(temp, &node->head, rr_ll) { 217 if (working < 0) 218 break; 219 /* 220 * printf("SUSP Entry found, length is %i\n", 221 * CD9660_SUSP_ENTRY_SIZE(temp)); 222 */ 223 working -= CD9660_SUSP_ENTRY_SIZE(temp); 224 if (working >= 0) { 225 last = temp; 226 susp_used += CD9660_SUSP_ENTRY_SIZE(temp); 227 } 228 if (working >= 28) { 229 /* 230 * Remember the last entry after which we 231 * could insert a "CE" entry. 232 */ 233 pre_ce = last; 234 susp_used_pre_ce = susp_used; 235 } 236 } 237 238 /* A CE entry is needed */ 239 if (working <= 0) { 240 CE = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 241 SUSP_ENTRY_SUSP_CE, "CE", SUSP_LOC_ENTRY); 242 cd9660_susp_ce(CE, node); 243 /* This will automatically insert at the appropriate location */ 244 if (pre_ce != NULL) 245 TAILQ_INSERT_AFTER(&node->head, pre_ce, CE, rr_ll); 246 else 247 TAILQ_INSERT_HEAD(&node->head, CE, rr_ll); 248 last = CE; 249 susp_used = susp_used_pre_ce + 28; 250 /* Count how much CA data is necessary */ 251 for (temp = TAILQ_NEXT(last, rr_ll); temp != NULL; 252 temp = TAILQ_NEXT(temp, rr_ll)) { 253 ca_used += CD9660_SUSP_ENTRY_SIZE(temp); 254 } 255 } 256 257 /* An ST entry is needed */ 258 if (node->su_tail_size > 0) { 259 ST = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 260 SUSP_ENTRY_SUSP_ST, "ST", SUSP_LOC_ENTRY); 261 cd9660_susp_st(ST, node); 262 if (last != NULL) 263 TAILQ_INSERT_AFTER(&node->head, last, ST, rr_ll); 264 else 265 TAILQ_INSERT_HEAD(&node->head, ST, rr_ll); 266 last = ST; 267 susp_used += 4; 268 } 269 if (last != NULL) 270 last->last_in_suf = 1; 271 272 node->susp_entry_size = susp_used; 273 node->susp_entry_ce_length = ca_used; 274 275 diskStructure.susp_continuation_area_size += ca_used; 276 return 1; 277 } 278 279 /* See if a continuation entry is needed for each of the different types */ 280 static int 281 cd9660_susp_handle_continuation(cd9660node *node) 282 { 283 assert (node != NULL); 284 285 /* Entry */ 286 if (cd9660_susp_handle_continuation_common( 287 node,(int)(node->isoDirRecord->length[0])) < 0) 288 return 0; 289 290 return 1; 291 } 292 293 int 294 cd9660_susp_initialize_node(cd9660node *node) 295 { 296 struct ISO_SUSP_ATTRIBUTES *temp; 297 298 /* 299 * Requirements/notes: 300 * CE: is added for us where needed 301 * ST: not sure if it is even required, but if so, should be 302 * handled by the CE code 303 * PD: isnt needed (though might be added for testing) 304 * SP: is stored ONLY on the . record of the root directory 305 * ES: not sure 306 */ 307 308 /* Check for root directory, add SP and ER if needed. */ 309 if (node->type & CD9660_TYPE_DOT) { 310 if (node->parent == diskStructure.rootNode) { 311 temp = cd9660node_susp_create_node(SUSP_TYPE_SUSP, 312 SUSP_ENTRY_SUSP_SP, "SP", SUSP_LOC_DOT); 313 cd9660_susp_sp(temp, node); 314 315 /* Should be first entry. */ 316 TAILQ_INSERT_HEAD(&node->head, temp, rr_ll); 317 } 318 } 319 return 1; 320 } 321 322 static void 323 cd9660_rrip_initialize_inode(cd9660node *node) 324 { 325 struct ISO_SUSP_ATTRIBUTES *attr; 326 327 /* 328 * Inode dependent values - this may change, 329 * but for now virtual files and directories do 330 * not have an inode structure 331 */ 332 333 if ((node->node != NULL) && (node->node->inode != NULL)) { 334 /* PX - POSIX attributes */ 335 attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 336 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 337 cd9660node_rrip_px(attr, node->node); 338 339 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 340 341 /* TF - timestamp */ 342 attr = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 343 SUSP_ENTRY_RRIP_TF, "TF", SUSP_LOC_ENTRY); 344 cd9660node_rrip_tf(attr, node->node); 345 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 346 347 /* SL - Symbolic link */ 348 /* ?????????? Dan - why is this here? */ 349 if (TAILQ_EMPTY(&node->cn_children) && 350 node->node->inode != NULL && 351 S_ISLNK(node->node->inode->st.st_mode)) 352 cd9660_createSL(node); 353 354 /* PN - device number */ 355 if (node->node->inode != NULL && 356 ((S_ISCHR(node->node->inode->st.st_mode) || 357 S_ISBLK(node->node->inode->st.st_mode)))) { 358 attr = 359 cd9660node_susp_create_node(SUSP_TYPE_RRIP, 360 SUSP_ENTRY_RRIP_PN, "PN", 361 SUSP_LOC_ENTRY); 362 cd9660node_rrip_pn(attr, node->node); 363 TAILQ_INSERT_TAIL(&node->head, attr, rr_ll); 364 } 365 } 366 } 367 368 int 369 cd9660_rrip_initialize_node(cd9660node *node, cd9660node *parent, 370 cd9660node *grandparent) 371 { 372 struct ISO_SUSP_ATTRIBUTES *current = NULL; 373 374 assert(node != NULL); 375 376 if (node->type & CD9660_TYPE_DOT) { 377 /* 378 * Handle ER - should be the only entry to appear on 379 * a "." record 380 */ 381 if (node->parent == diskStructure.rootNode) { 382 cd9660_susp_ER(node, 1, SUSP_RRIP_ER_EXT_ID, 383 SUSP_RRIP_ER_EXT_DES, SUSP_RRIP_ER_EXT_SRC); 384 } 385 if (parent != NULL && parent->node != NULL && 386 parent->node->inode != NULL) { 387 /* PX - POSIX attributes */ 388 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 389 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 390 cd9660node_rrip_px(current, parent->node); 391 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 392 } 393 } else if (node->type & CD9660_TYPE_DOTDOT) { 394 if (grandparent != NULL && grandparent->node != NULL && 395 grandparent->node->inode != NULL) { 396 /* PX - POSIX attributes */ 397 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 398 SUSP_ENTRY_RRIP_PX, "PX", SUSP_LOC_ENTRY); 399 cd9660node_rrip_px(current, grandparent->node); 400 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 401 } 402 /* Handle PL */ 403 if (parent != NULL && parent->rr_real_parent != NULL) { 404 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 405 SUSP_ENTRY_RRIP_PL, "PL", SUSP_LOC_DOTDOT); 406 cd9660_rrip_PL(current,node); 407 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 408 } 409 } else { 410 cd9660_rrip_initialize_inode(node); 411 412 /* 413 * Not every node needs a NM set - only if the name is 414 * actually different. IE: If a file is TEST -> TEST, 415 * no NM. test -> TEST, need a NM 416 * 417 * The rr_moved_dir needs to be assigned a NM record as well. 418 */ 419 if (node == diskStructure.rr_moved_dir) { 420 cd9660_rrip_add_NM(node, RRIP_DEFAULT_MOVE_DIR_NAME); 421 } 422 else if ((node->node != NULL) && 423 ((strlen(node->node->name) != 424 (uint8_t)node->isoDirRecord->name_len[0]) || 425 (memcmp(node->node->name,node->isoDirRecord->name, 426 (uint8_t)node->isoDirRecord->name_len[0]) != 0))) { 427 cd9660_rrip_NM(node); 428 } 429 430 431 432 /* Rock ridge directory relocation code here. */ 433 434 /* First handle the CL for the placeholder file. */ 435 if (node->rr_relocated != NULL) { 436 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 437 SUSP_ENTRY_RRIP_CL, "CL", SUSP_LOC_ENTRY); 438 cd9660_rrip_CL(current, node); 439 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 440 } 441 442 /* Handle RE*/ 443 if (node->rr_real_parent != NULL) { 444 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 445 SUSP_ENTRY_RRIP_RE, "RE", SUSP_LOC_ENTRY); 446 cd9660_rrip_RE(current,node); 447 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 448 } 449 } 450 return 1; 451 } 452 453 struct ISO_SUSP_ATTRIBUTES* 454 cd9660node_susp_create_node(int susp_type, int entry_type, const char *type_id, 455 int write_loc) 456 { 457 struct ISO_SUSP_ATTRIBUTES* temp; 458 459 if ((temp = malloc(sizeof(struct ISO_SUSP_ATTRIBUTES))) == NULL) { 460 CD9660_MEM_ALLOC_ERROR("cd9660node_susp_create_node"); 461 exit(1); 462 } 463 464 temp->susp_type = susp_type; 465 temp->entry_type = entry_type; 466 temp->last_in_suf = 0; 467 /* Phase this out */ 468 temp->type_of[0] = type_id[0]; 469 temp->type_of[1] = type_id[1]; 470 temp->write_location = write_loc; 471 472 /* 473 * Since the first four bytes is common, lets go ahead and 474 * set the type identifier, since we are passing that to this 475 * function anyhow. 476 */ 477 temp->attr.su_entry.SP.h.type[0] = type_id[0]; 478 temp->attr.su_entry.SP.h.type[1] = type_id[1]; 479 return temp; 480 } 481 482 int 483 cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES* p, cd9660node *node __unused) 484 { 485 p->attr.rr_entry.PL.h.length[0] = 12; 486 p->attr.rr_entry.PL.h.version[0] = 1; 487 return 1; 488 } 489 490 int 491 cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) 492 { 493 p->attr.rr_entry.CL.h.length[0] = 12; 494 p->attr.rr_entry.CL.h.version[0] = 1; 495 return 1; 496 } 497 498 int 499 cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *p, cd9660node *node __unused) 500 { 501 p->attr.rr_entry.RE.h.length[0] = 4; 502 p->attr.rr_entry.RE.h.version[0] = 1; 503 return 1; 504 } 505 506 void 507 cd9660_createSL(cd9660node *node) 508 { 509 struct ISO_SUSP_ATTRIBUTES* current; 510 int path_count, dir_count, done, i, j, dir_copied; 511 char temp_cr[255]; 512 char temp_sl[255]; /* used in copying continuation entry*/ 513 char* sl_ptr; 514 515 sl_ptr = node->node->symlink; 516 517 done = 0; 518 path_count = 0; 519 dir_count = 0; 520 dir_copied = 0; 521 current = cd9660node_susp_create_node(SUSP_TYPE_RRIP, 522 SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); 523 524 current->attr.rr_entry.SL.h.version[0] = 1; 525 current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; 526 527 if (*sl_ptr == '/') { 528 temp_cr[0] = SL_FLAGS_ROOT; 529 temp_cr[1] = 0; 530 memcpy(current->attr.rr_entry.SL.component + path_count, 531 temp_cr, 2); 532 path_count += 2; 533 sl_ptr++; 534 } 535 536 for (i = 0; i < (dir_count + 2); i++) 537 temp_cr[i] = '\0'; 538 539 while (!done) { 540 while ((*sl_ptr != '/') && (*sl_ptr != '\0')) { 541 dir_copied = 1; 542 if (*sl_ptr == '.') { 543 if ((*(sl_ptr + 1) == '/') || (*(sl_ptr + 1) 544 == '\0')) { 545 temp_cr[0] = SL_FLAGS_CURRENT; 546 sl_ptr++; 547 } else if(*(sl_ptr + 1) == '.') { 548 if ((*(sl_ptr + 2) == '/') || 549 (*(sl_ptr + 2) == '\0')) { 550 temp_cr[0] = SL_FLAGS_PARENT; 551 sl_ptr += 2; 552 } 553 } else { 554 temp_cr[dir_count+2] = *sl_ptr; 555 sl_ptr++; 556 dir_count++; 557 } 558 } else { 559 temp_cr[dir_count + 2] = *sl_ptr; 560 sl_ptr++; 561 dir_count++; 562 } 563 } 564 565 if ((path_count + dir_count) >= 249) { 566 current->attr.rr_entry.SL.flags[0] |= SL_FLAGS_CONTINUE; 567 568 j = 0; 569 570 if (path_count <= 249) { 571 while(j != (249 - path_count)) { 572 temp_sl[j] = temp_cr[j]; 573 j++; 574 } 575 temp_sl[0] = SL_FLAGS_CONTINUE; 576 temp_sl[1] = j - 2; 577 memcpy( 578 current->attr.rr_entry.SL.component + 579 path_count, 580 temp_sl, j); 581 } 582 583 path_count += j; 584 current->attr.rr_entry.SL.h.length[0] = path_count + 5; 585 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 586 current= cd9660node_susp_create_node(SUSP_TYPE_RRIP, 587 SUSP_ENTRY_RRIP_SL, "SL", SUSP_LOC_ENTRY); 588 current->attr.rr_entry.SL.h.version[0] = 1; 589 current->attr.rr_entry.SL.flags[0] = SL_FLAGS_NONE; 590 591 path_count = 0; 592 593 if (dir_count > 2) { 594 while (j != dir_count + 2) { 595 current->attr.rr_entry.SL.component[ 596 path_count + 2] = temp_cr[j]; 597 j++; 598 path_count++; 599 } 600 current->attr.rr_entry.SL.component[1] 601 = path_count; 602 path_count+= 2; 603 } else { 604 while(j != dir_count) { 605 current->attr.rr_entry.SL.component[ 606 path_count+2] = temp_cr[j]; 607 j++; 608 path_count++; 609 } 610 } 611 } else { 612 if (dir_copied == 1) { 613 temp_cr[1] = dir_count; 614 memcpy(current->attr.rr_entry.SL.component + 615 path_count, 616 temp_cr, dir_count + 2); 617 path_count += dir_count + 2; 618 } 619 } 620 621 if (*sl_ptr == '\0') { 622 done = 1; 623 current->attr.rr_entry.SL.h.length[0] = path_count + 5; 624 TAILQ_INSERT_TAIL(&node->head, current, rr_ll); 625 } else { 626 sl_ptr++; 627 dir_count = 0; 628 dir_copied = 0; 629 for(i = 0; i < 255; i++) { 630 temp_cr[i] = '\0'; 631 } 632 } 633 } 634 } 635 636 int 637 cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *v, fsnode *pxinfo) 638 { 639 v->attr.rr_entry.PX.h.length[0] = 36; 640 v->attr.rr_entry.PX.h.version[0] = 1; 641 cd9660_bothendian_dword(pxinfo->inode->st.st_mode, 642 v->attr.rr_entry.PX.mode); 643 cd9660_bothendian_dword(pxinfo->inode->st.st_nlink, 644 v->attr.rr_entry.PX.links); 645 cd9660_bothendian_dword(pxinfo->inode->st.st_uid, 646 v->attr.rr_entry.PX.uid); 647 cd9660_bothendian_dword(pxinfo->inode->st.st_gid, 648 v->attr.rr_entry.PX.gid); 649 650 /* Ignoring the serial number for now */ 651 return 1; 652 } 653 654 int 655 cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *pn_field, fsnode *fnode) 656 { 657 pn_field->attr.rr_entry.PN.h.length[0] = 20; 658 pn_field->attr.rr_entry.PN.h.version[0] = 1; 659 660 if (sizeof (fnode->inode->st.st_dev) > 32) 661 cd9660_bothendian_dword((uint64_t)fnode->inode->st.st_dev >> 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_dev & 0xffffffff, 667 pn_field->attr.rr_entry.PN.low); 668 return 1; 669 } 670 671 #if 0 672 int 673 cd9660node_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 685 686 int 687 cd9660node_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] = 4; 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 } 711 712 int 713 cd9660_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 } 722 723 int 724 cd9660_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 } 732 733 int 734 cd9660_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 } 741 742 int 743 cd9660_susp_pd(struct ISO_SUSP_ATTRIBUTES *p __unused, int length __unused) 744 { 745 return 1; 746 } 747 748 void 749 cd9660_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 } 783 784 void 785 cd9660_rrip_NM(cd9660node *node) 786 { 787 cd9660_rrip_add_NM(node, node->node->name); 788 } 789 790 struct ISO_SUSP_ATTRIBUTES* 791 cd9660_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 } 833 834 struct ISO_SUSP_ATTRIBUTES* 835 cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES *last __unused, cd9660node *node __unused) 836 { 837 return NULL; 838 } 839
Indexes created Tue Oct 21 08:09:48 GMT 2025