1 /* $NetBSD: udf.c,v 1.14 2013/10/19 17:16:37 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2006, 2008, 2013 Reinoud Zandijk 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 #if HAVE_NBTOOL_CONFIG_H 29 #include "nbtool_config.h" 30 #endif 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: udf.c,v 1.14 2013/10/19 17:16:37 christos Exp $"); 34 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <errno.h> 39 #include <time.h> 40 #include <assert.h> 41 #include <err.h> 42 #include <unistd.h> 43 #include <fcntl.h> 44 #include <sys/types.h> 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 #include <util.h> 48 49 #if !HAVE_NBTOOL_CONFIG_H 50 #define _EXPOSE_MMC 51 #include <sys/cdio.h> 52 #else 53 #include "udf/cdio_mmc_structs.h" 54 #endif 55 56 #if !HAVE_NBTOOL_CONFIG_H 57 #define HAVE_STRUCT_TM_TM_GMTOFF 58 #endif 59 60 #include "makefs.h" 61 #include "udf_create.h" 62 #include "udf_write.h" 63 #include "newfs_udf.h" 64 65 #undef APP_NAME 66 #define APP_NAME "*NetBSD makefs" 67 68 /* 69 * Note: due to the setup of the newfs code, the current state of the program 70 * and its options are helt in a few global variables. The FS specific parts 71 * are in a global `context' structure. 72 */ 73 74 /* global variables describing disc and format requests */ 75 int fd; /* device: file descriptor */ 76 char *dev; /* device: name */ 77 struct mmc_discinfo mmc_discinfo; /* device: disc info */ 78 79 char *format_str; /* format: string representation */ 80 int format_flags; /* format: attribute flags */ 81 int media_accesstype; /* derived from current mmc cap */ 82 int check_surface; /* for rewritables */ 83 int imagefile_secsize; /* for files */ 84 85 int display_progressbar; 86 87 int wrtrack_skew; 88 float meta_fract = (float) UDF_META_PERC / 100.0; 89 90 int mmc_profile; /* emulated profile */ 91 int req_enable, req_disable; 92 93 94 /* --------------------------------------------------------------------- */ 95 96 int 97 udf_write_sector(void *sector, uint64_t location) 98 { 99 uint64_t wpos; 100 ssize_t ret; 101 102 wpos = (uint64_t) location * context.sector_size; 103 ret = pwrite(fd, sector, context.sector_size, wpos); 104 if (ret == -1) 105 return errno; 106 if (ret < (int) context.sector_size) 107 return EIO; 108 return 0; 109 } 110 111 112 /* not implemented for files */ 113 int 114 udf_surface_check(void) 115 { 116 return 0; 117 } 118 119 120 /* 121 * mmc_discinfo and mmc_trackinfo readers modified from origional in udf main 122 * code in sys/fs/udf/ 123 */ 124 125 #ifdef DEBUG 126 static void 127 udf_dump_discinfo(struct mmc_discinfo *di) 128 { 129 char bits[128]; 130 131 printf("Device/media info :\n"); 132 printf("\tMMC profile 0x%02x\n", di->mmc_profile); 133 printf("\tderived class %d\n", di->mmc_class); 134 printf("\tsector size %d\n", di->sector_size); 135 printf("\tdisc state %d\n", di->disc_state); 136 printf("\tlast ses state %d\n", di->last_session_state); 137 printf("\tbg format state %d\n", di->bg_format_state); 138 printf("\tfrst track %d\n", di->first_track); 139 printf("\tfst on last ses %d\n", di->first_track_last_session); 140 printf("\tlst on last ses %d\n", di->last_track_last_session); 141 printf("\tlink block penalty %d\n", di->link_block_penalty); 142 snprintb(bits, sizeof(bits), MMC_DFLAGS_FLAGBITS, 143 (uint64_t) di->disc_flags); 144 printf("\tdisc flags %s\n", bits); 145 printf("\tdisc id %x\n", di->disc_id); 146 printf("\tdisc barcode %"PRIx64"\n", di->disc_barcode); 147 148 printf("\tnum sessions %d\n", di->num_sessions); 149 printf("\tnum tracks %d\n", di->num_tracks); 150 151 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cur); 152 printf("\tcapabilities cur %s\n", bits); 153 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cap); 154 printf("\tcapabilities cap %s\n", bits); 155 printf("\n"); 156 printf("\tlast_possible_lba %d\n", di->last_possible_lba); 157 printf("\n"); 158 } 159 #else 160 #define udf_dump_discinfo(a); 161 #endif 162 163 /* --------------------------------------------------------------------- */ 164 165 static int 166 udf_emulate_discinfo(fsinfo_t *fsopts, struct mmc_discinfo *di, 167 int mmc_emuprofile) 168 { 169 off_t sectors; 170 171 memset(di, 0, sizeof(*di)); 172 173 /* file support */ 174 if ((mmc_emuprofile != 0x01) && (fsopts->sectorsize != 2048)) 175 warnx("cd/dvd/bd sectorsize is not set to default 2048"); 176 177 sectors = fsopts->size / fsopts->sectorsize; 178 179 /* commons */ 180 di->mmc_profile = mmc_emuprofile; 181 di->disc_state = MMC_STATE_CLOSED; 182 di->last_session_state = MMC_STATE_CLOSED; 183 di->bg_format_state = MMC_BGFSTATE_COMPLETED; 184 di->link_block_penalty = 0; 185 186 di->disc_flags = MMC_DFLAGS_UNRESTRICTED; 187 188 di->last_possible_lba = sectors - 1; 189 di->sector_size = fsopts->sectorsize; 190 191 di->num_sessions = 1; 192 di->num_tracks = 1; 193 194 di->first_track = 1; 195 di->first_track_last_session = di->last_track_last_session = 1; 196 197 di->mmc_cur = MMC_CAP_RECORDABLE | MMC_CAP_ZEROLINKBLK; 198 switch (mmc_emuprofile) { 199 case 0x00: /* unknown, treat as CDROM */ 200 case 0x08: /* CDROM */ 201 case 0x10: /* DVDROM */ 202 case 0x40: /* BDROM */ 203 req_enable |= FORMAT_READONLY; 204 /* FALLTROUGH */ 205 case 0x01: /* disc */ 206 /* set up a disc info profile for partitions/files */ 207 di->mmc_class = MMC_CLASS_DISC; 208 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE; 209 break; 210 case 0x09: /* CD-R */ 211 di->mmc_class = MMC_CLASS_CD; 212 di->mmc_cur |= MMC_CAP_SEQUENTIAL; 213 di->disc_state = MMC_STATE_EMPTY; 214 break; 215 case 0x0a: /* CD-RW + CD-MRW (regretably) */ 216 di->mmc_class = MMC_CLASS_CD; 217 di->mmc_cur |= MMC_CAP_REWRITABLE; 218 break; 219 case 0x13: /* DVD-RW */ 220 di->mmc_class = MMC_CLASS_DVD; 221 di->mmc_cur |= MMC_CAP_REWRITABLE; 222 break; 223 case 0x11: /* DVD-R */ 224 case 0x14: /* DVD-RW sequential */ 225 case 0x1b: /* DVD+R */ 226 case 0x2b: /* DVD+R DL */ 227 case 0x51: /* HD DVD-R */ 228 di->mmc_class = MMC_CLASS_DVD; 229 di->mmc_cur |= MMC_CAP_SEQUENTIAL; 230 di->disc_state = MMC_STATE_EMPTY; 231 break; 232 case 0x41: /* BD-R */ 233 di->mmc_class = MMC_CLASS_BD; 234 di->mmc_cur |= MMC_CAP_SEQUENTIAL | MMC_CAP_HW_DEFECTFREE; 235 di->disc_state = MMC_STATE_EMPTY; 236 break; 237 case 0x43: /* BD-RE */ 238 di->mmc_class = MMC_CLASS_BD; 239 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE; 240 break; 241 default: 242 err(EINVAL, "makefs_udf: unknown or unimplemented device type"); 243 return EINVAL; 244 } 245 di->mmc_cap = di->mmc_cur; 246 247 udf_dump_discinfo(di); 248 return 0; 249 } 250 251 252 int 253 udf_update_trackinfo(struct mmc_discinfo *di, struct mmc_trackinfo *ti) 254 { 255 /* discs partition support */ 256 if (ti->tracknr != 1) 257 return EIO; 258 259 /* create fake ti */ 260 ti->sessionnr = 1; 261 262 ti->track_mode = 0; /* XXX */ 263 ti->data_mode = 0; /* XXX */ 264 ti->flags = MMC_TRACKINFO_LRA_VALID | MMC_TRACKINFO_NWA_VALID; 265 266 ti->track_start = 0; 267 ti->packet_size = 32; /* take sensible default */ 268 269 ti->track_size = di->last_possible_lba; 270 ti->next_writable = di->last_possible_lba; 271 ti->last_recorded = ti->next_writable; 272 ti->free_blocks = 0; 273 274 return 0; 275 } 276 277 #define OPT_STR(letter, name, desc) \ 278 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 279 280 #define OPT_NUM(letter, name, field, min, max, desc) \ 281 { letter, name, &context.field, \ 282 sizeof(context.field) == 8 ? OPT_INT64 : \ 283 (sizeof(context.field) == 4 ? OPT_INT32 : \ 284 (sizeof(context.field) == 2 ? OPT_INT16 : OPT_INT8)), \ 285 min, max, desc } 286 287 #define OPT_BOOL(letter, name, field, desc) \ 288 OPT_NUM(letter, name, field, 0, 1, desc) 289 290 void 291 udf_prep_opts(fsinfo_t *fsopts) 292 { 293 struct tm *tm; 294 time_t now; 295 296 const option_t udf_options[] = { 297 OPT_STR('T', "disctype", "disc type (cdrom,dvdrom,bdrom," 298 "dvdram,bdre,disk,cdr,dvdr,bdr,cdrw,dvdrw)"), 299 OPT_STR('L', "loglabel", "\"logical volume name\""), 300 OPT_STR('P', "discid", "\"[volset name ':']" 301 "physical volume name\""), 302 OPT_NUM('t', "tz", gmtoff, -24, 24, "timezone"), 303 OPT_STR('v', "minver", "minimum UDF version in either " 304 "``0x201'' or ``2.01'' format"), 305 #if notyet 306 OPT_STR('V', "maxver", "maximum UDF version in either " 307 "``0x201'' or ``2.01'' format"), 308 #endif 309 { .name = NULL } 310 }; 311 312 /* initialise */ 313 format_str = strdup(""); 314 req_enable = req_disable = 0; 315 format_flags = FORMAT_INVALID; 316 fsopts->sectorsize = 512; /* minimum allowed sector size */ 317 318 srandom((unsigned long) time(NULL)); 319 320 mmc_profile = 0x01; /* 'disc'/file */ 321 322 udf_init_create_context(); 323 context.app_name = "*NetBSD makefs"; 324 context.app_version_main = APP_VERSION_MAIN; 325 context.app_version_sub = APP_VERSION_SUB; 326 context.impl_name = IMPL_NAME; 327 328 /* minimum and maximum UDF versions we advise */ 329 context.min_udf = 0x102; 330 context.max_udf = 0x201; /* 0x250 and 0x260 are not ready */ 331 332 /* use user's time zone as default */ 333 (void)time(&now); 334 tm = localtime(&now); 335 #ifdef HAVE_STRUCT_TM_TM_GMTOFF 336 context.gmtoff = tm->tm_gmtoff; 337 #else 338 context.gmtoff = 0; 339 #endif 340 341 /* return info */ 342 fsopts->fs_specific = NULL; 343 fsopts->fs_options = copy_opts(udf_options); 344 } 345 346 347 void 348 udf_cleanup_opts(fsinfo_t *fsopts) 349 { 350 free(fsopts->fs_options); 351 } 352 353 354 /* ----- included from newfs_udf.c ------ */ 355 /* ----- */ 356 357 358 #define CDRSIZE ((uint64_t) 700*1024*1024) /* small approx */ 359 #define CDRWSIZE ((uint64_t) 576*1024*1024) /* small approx */ 360 #define DVDRSIZE ((uint64_t) 4488*1024*1024) /* small approx */ 361 #define DVDRAMSIZE ((uint64_t) 4330*1024*1024) /* small approx with spare */ 362 #define DVDRWSIZE ((uint64_t) 4482*1024*1024) /* small approx */ 363 #define BDRSIZE ((uint64_t) 23866*1024*1024) /* small approx */ 364 #define BDRESIZE ((uint64_t) 23098*1024*1024) /* small approx */ 365 int 366 udf_parse_opts(const char *option, fsinfo_t *fsopts) 367 { 368 option_t *udf_options = fsopts->fs_options; 369 uint64_t stdsize; 370 uint32_t set_sectorsize; 371 char buffer[1024], *buf, *colon; 372 int i; 373 374 assert(option != NULL); 375 376 if (debug & DEBUG_FS_PARSE_OPTS) 377 printf("udf_parse_opts: got `%s'\n", option); 378 379 i = set_option(udf_options, option, buffer, sizeof(buffer)); 380 if (i == -1) 381 return 0; 382 383 if (udf_options[i].name == NULL) 384 abort(); 385 386 set_sectorsize = 0; 387 stdsize = 0; 388 389 buf = buffer; 390 switch (udf_options[i].letter) { 391 case 'T': 392 if (strcmp(buf, "cdrom") == 0) { 393 mmc_profile = 0x00; 394 } else if (strcmp(buf, "dvdrom") == 0) { 395 mmc_profile = 0x10; 396 } else if (strcmp(buf, "bdrom") == 0) { 397 mmc_profile = 0x40; 398 } else if (strcmp(buf, "dvdram") == 0) { 399 mmc_profile = 0x12; 400 stdsize = DVDRAMSIZE; 401 } else if (strcmp(buf, "bdre") == 0) { 402 mmc_profile = 0x43; 403 stdsize = BDRESIZE; 404 } else if (strcmp(buf, "disk") == 0) { 405 mmc_profile = 0x01; 406 } else if (strcmp(buf, "cdr") == 0) { 407 mmc_profile = 0x09; 408 stdsize = CDRSIZE; 409 } else if (strcmp(buf, "dvdr") == 0) { 410 mmc_profile = 0x1b; 411 stdsize = DVDRSIZE; 412 } else if (strcmp(buf, "bdr") == 0) { 413 mmc_profile = 0x41; 414 stdsize = BDRSIZE; 415 } else if (strcmp(buf, "cdrw") == 0) { 416 mmc_profile = 0x0a; 417 stdsize = CDRWSIZE; 418 } else if (strcmp(buf, "dvdrw") == 0) { 419 mmc_profile = 0x13; 420 stdsize = DVDRWSIZE; 421 } else { 422 errx(EINVAL, "Unknown or unimplemented disc format"); 423 return 0; 424 } 425 if (mmc_profile != 0x01) 426 set_sectorsize = 2048; 427 break; 428 case 'L': 429 if (context.logvol_name) free(context.logvol_name); 430 context.logvol_name = strdup(buf); 431 break; 432 case 'P': 433 if ((colon = strstr(buf, ":"))) { 434 if (context.volset_name) 435 free(context.volset_name); 436 *colon = 0; 437 context.volset_name = strdup(buf); 438 buf = colon+1; 439 } 440 if (context.primary_name) 441 free(context.primary_name); 442 if ((strstr(buf, ":"))) { 443 errx(EINVAL, "primary name can't have ':' in its name"); 444 return 0; 445 } 446 context.primary_name = strdup(buf); 447 break; 448 case 'v': 449 context.min_udf = a_udf_version(buf, "min_udf"); 450 if (context.min_udf > 0x201) { 451 errx(EINVAL, "maximum supported version is UDF 2.01"); 452 return 0; 453 } 454 if (context.min_udf > context.max_udf) 455 context.max_udf = context.min_udf; 456 break; 457 } 458 if (set_sectorsize) 459 fsopts->sectorsize = set_sectorsize; 460 if (stdsize) 461 fsopts->size = stdsize; 462 return 1; 463 } 464 465 /* --------------------------------------------------------------------- */ 466 467 struct udf_stats { 468 uint32_t nfiles; 469 uint32_t ndirs; 470 uint32_t ndescr; 471 uint32_t nmetadatablocks; 472 uint32_t ndatablocks; 473 }; 474 475 476 /* node reference administration */ 477 static void 478 udf_inc_link(union dscrptr *dscr) 479 { 480 struct file_entry *fe; 481 struct extfile_entry *efe; 482 483 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 484 fe = &dscr->fe; 485 fe->link_cnt = udf_rw16(udf_rw16(fe->link_cnt) + 1); 486 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 487 efe = &dscr->efe; 488 efe->link_cnt = udf_rw16(udf_rw16(efe->link_cnt) + 1); 489 } else { 490 errx(1, "Bad tag passed to udf_inc_link"); 491 } 492 } 493 494 495 static void 496 udf_set_link_cnt(union dscrptr *dscr, int num) 497 { 498 struct file_entry *fe; 499 struct extfile_entry *efe; 500 501 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 502 fe = &dscr->fe; 503 fe->link_cnt = udf_rw16(num); 504 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 505 efe = &dscr->efe; 506 efe->link_cnt = udf_rw16(num); 507 } else { 508 errx(1, "Bad tag passed to udf_set_link_cnt"); 509 } 510 } 511 512 513 static uint32_t 514 udf_datablocks(off_t sz) 515 { 516 /* predictor if it can be written inside the node */ 517 if (sz < context.sector_size - UDF_EXTFENTRY_SIZE - 16) 518 return 0; 519 520 return UDF_ROUNDUP(sz, context.sector_size) / context.sector_size; 521 } 522 523 524 static void 525 udf_prepare_fids(struct long_ad *dir_icb, struct long_ad *dirdata_icb, 526 uint8_t *dirdata, uint32_t dirdata_size) 527 { 528 struct fileid_desc *fid; 529 struct long_ad *icb; 530 uint32_t fidsize, offset; 531 uint32_t location; 532 533 if (udf_datablocks(dirdata_size) == 0) { 534 /* going internal */ 535 icb = dir_icb; 536 } else { 537 /* external blocks to write to */ 538 icb = dirdata_icb; 539 } 540 541 for (offset = 0; offset < dirdata_size; offset += fidsize) { 542 /* for each FID: */ 543 fid = (struct fileid_desc *) (dirdata + offset); 544 assert(udf_rw16(fid->tag.id) == TAGID_FID); 545 546 location = udf_rw32(icb->loc.lb_num); 547 location += offset / context.sector_size; 548 549 fid->tag.tag_loc = udf_rw32(location); 550 udf_validate_tag_and_crc_sums((union dscrptr *) fid); 551 552 fidsize = udf_fidsize(fid); 553 } 554 } 555 556 static int 557 udf_file_inject_blob(union dscrptr *dscr, uint8_t *blob, off_t size) 558 { 559 struct icb_tag *icb; 560 struct file_entry *fe; 561 struct extfile_entry *efe; 562 uint64_t inf_len, obj_size; 563 uint32_t l_ea, l_ad; 564 uint32_t free_space, desc_size; 565 uint16_t crclen; 566 uint8_t *data, *pos; 567 568 fe = NULL; 569 efe = NULL; 570 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 571 fe = &dscr->fe; 572 data = fe->data; 573 l_ea = udf_rw32(fe->l_ea); 574 l_ad = udf_rw32(fe->l_ad); 575 icb = &fe->icbtag; 576 inf_len = udf_rw64(fe->inf_len); 577 obj_size = 0; 578 desc_size = sizeof(struct file_entry); 579 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 580 efe = &dscr->efe; 581 data = efe->data; 582 l_ea = udf_rw32(efe->l_ea); 583 l_ad = udf_rw32(efe->l_ad); 584 icb = &efe->icbtag; 585 inf_len = udf_rw64(efe->inf_len); 586 obj_size = udf_rw64(efe->obj_size); 587 desc_size = sizeof(struct extfile_entry); 588 } else { 589 errx(1, "Bad tag passed to udf_file_inject_blob"); 590 } 591 crclen = udf_rw16(dscr->tag.desc_crc_len); 592 593 /* calculate free space */ 594 free_space = context.sector_size - (l_ea + l_ad) - desc_size; 595 if (udf_datablocks(size)) { 596 assert(free_space < size); 597 return 1; 598 } 599 600 /* going internal */ 601 assert(l_ad == 0); 602 assert((udf_rw16(icb->flags) & UDF_ICB_TAG_FLAGS_ALLOC_MASK) == 603 UDF_ICB_INTERN_ALLOC); 604 605 // assert(free_space >= size); 606 pos = data + l_ea + l_ad; 607 memcpy(pos, blob, size); 608 l_ad += size; 609 crclen += size; 610 611 inf_len += size; 612 obj_size += size; 613 614 if (fe) { 615 fe->l_ad = udf_rw32(l_ad); 616 fe->inf_len = udf_rw64(inf_len); 617 } else if (efe) { 618 efe->l_ad = udf_rw32(l_ad); 619 efe->inf_len = udf_rw64(inf_len); 620 efe->obj_size = udf_rw64(inf_len); 621 } 622 623 /* make sure the header sums stays correct */ 624 dscr->tag.desc_crc_len = udf_rw16(crclen); 625 udf_validate_tag_and_crc_sums(dscr); 626 627 return 0; 628 } 629 630 631 /* XXX no sparse file support */ 632 static void 633 udf_append_file_mapping(union dscrptr *dscr, struct long_ad *piece) 634 { 635 struct icb_tag *icb; 636 struct file_entry *fe; 637 struct extfile_entry *efe; 638 struct long_ad *last_long, last_piece; 639 struct short_ad *last_short, new_short; 640 uint64_t inf_len, obj_size, logblks_rec; 641 uint32_t l_ea, l_ad, size; 642 uint32_t last_lb_num, piece_lb_num; 643 uint64_t last_len, piece_len, last_flags; 644 uint64_t rest_len, merge_len, last_end; 645 uint16_t last_part_num, piece_part_num; 646 uint16_t crclen, cur_alloc; 647 uint8_t *data, *pos; 648 const int short_len = sizeof(struct short_ad); 649 const int long_len = sizeof(struct long_ad); 650 const int sector_size = context.sector_size; 651 const int use_shorts = (context.data_part == context.metadata_part); 652 uint64_t max_len = UDF_ROUNDDOWN(UDF_EXT_MAXLEN, sector_size); 653 654 fe = NULL; 655 efe = NULL; 656 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 657 fe = &dscr->fe; 658 data = fe->data; 659 l_ea = fe->l_ea; 660 l_ad = udf_rw32(fe->l_ad); 661 icb = &fe->icbtag; 662 inf_len = udf_rw64(fe->inf_len); 663 logblks_rec = udf_rw64(fe->logblks_rec); 664 obj_size = 0; 665 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 666 efe = &dscr->efe; 667 data = efe->data; 668 l_ea = efe->l_ea; 669 l_ad = udf_rw32(efe->l_ad); 670 icb = &efe->icbtag; 671 inf_len = udf_rw64(efe->inf_len); 672 obj_size = udf_rw64(efe->obj_size); 673 logblks_rec = udf_rw64(efe->logblks_rec); 674 } else { 675 errx(1, "Bad tag passed to udf_file_append_blob"); 676 } 677 crclen = udf_rw16(dscr->tag.desc_crc_len); 678 679 pos = data + l_ea; 680 cur_alloc = udf_rw16(icb->flags); 681 size = UDF_EXT_LEN(udf_rw32(piece->len)); 682 683 /* extract last entry as a long_ad */ 684 memset(&last_piece, 0, sizeof(last_piece)); 685 last_len = 0; 686 last_lb_num = 0; 687 last_part_num = 0; 688 last_flags = 0; 689 last_short = NULL; 690 last_long = NULL; 691 if (l_ad != 0) { 692 if (use_shorts) { 693 assert(cur_alloc == UDF_ICB_SHORT_ALLOC); 694 pos += l_ad - short_len; 695 last_short = (struct short_ad *) pos; 696 last_lb_num = udf_rw32(last_short->lb_num); 697 last_part_num = udf_rw16(piece->loc.part_num); 698 last_len = UDF_EXT_LEN(udf_rw32(last_short->len)); 699 last_flags = UDF_EXT_FLAGS(udf_rw32(last_short->len)); 700 } else { 701 assert(cur_alloc == UDF_ICB_LONG_ALLOC); 702 pos += l_ad - long_len; 703 last_long = (struct long_ad *) pos; 704 last_lb_num = udf_rw32(last_long->loc.lb_num); 705 last_part_num = udf_rw16(last_long->loc.part_num); 706 last_len = UDF_EXT_LEN(udf_rw32(last_long->len)); 707 last_flags = UDF_EXT_FLAGS(udf_rw32(last_long->len)); 708 } 709 } 710 711 piece_len = UDF_EXT_LEN(udf_rw32(piece->len)); 712 piece_lb_num = udf_rw32(piece->loc.lb_num); 713 piece_part_num = udf_rw16(piece->loc.part_num); 714 715 /* try merging */ 716 rest_len = max_len - last_len; 717 718 merge_len = MIN(piece_len, rest_len); 719 last_end = last_lb_num + (last_len / sector_size); 720 721 if ((piece_lb_num == last_end) && (last_part_num == piece_part_num)) { 722 /* we can merge */ 723 last_len += merge_len; 724 piece_len -= merge_len; 725 726 /* write back merge result */ 727 if (use_shorts) { 728 last_short->len = udf_rw32(last_len | last_flags); 729 } else { 730 last_long->len = udf_rw32(last_len | last_flags); 731 } 732 piece_lb_num += merge_len / sector_size; 733 } 734 735 if (piece_len) { 736 /* append new entry */ 737 pos = data + l_ea + l_ad; 738 if (use_shorts) { 739 icb->flags = udf_rw16(UDF_ICB_SHORT_ALLOC); 740 memset(&new_short, 0, short_len); 741 new_short.len = udf_rw32(piece_len); 742 new_short.lb_num = udf_rw32(piece_lb_num); 743 memcpy(pos, &new_short, short_len); 744 l_ad += short_len; 745 crclen += short_len; 746 } else { 747 icb->flags = udf_rw16(UDF_ICB_LONG_ALLOC); 748 piece->len = udf_rw32(piece_len); 749 piece->loc.lb_num = udf_rw32(piece_lb_num); 750 memcpy(pos, piece, long_len); 751 l_ad += long_len; 752 crclen += long_len; 753 } 754 } 755 piece->len = udf_rw32(0); 756 757 inf_len += size; 758 obj_size += size; 759 logblks_rec += UDF_ROUNDUP(size, sector_size) / sector_size; 760 761 dscr->tag.desc_crc_len = udf_rw16(crclen); 762 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 763 fe->l_ad = udf_rw32(l_ad); 764 fe->inf_len = udf_rw64(inf_len); 765 fe->logblks_rec = udf_rw64(logblks_rec); 766 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 767 efe->l_ad = udf_rw32(l_ad); 768 efe->inf_len = udf_rw64(inf_len); 769 efe->obj_size = udf_rw64(inf_len); 770 efe->logblks_rec = udf_rw64(logblks_rec); 771 } 772 } 773 774 775 static int 776 udf_append_file_contents(union dscrptr *dscr, struct long_ad *data_icb, 777 uint8_t *fdata, off_t flen) 778 { 779 struct long_ad icb; 780 uint32_t location; 781 uint64_t phys; 782 uint16_t vpart; 783 uint8_t *bpos; 784 int cnt, sects; 785 int error; 786 787 if (udf_file_inject_blob(dscr, fdata, flen) == 0) 788 return 0; 789 790 /* has to be appended in mappings */ 791 icb = *data_icb; 792 icb.len = udf_rw32(flen); 793 while (udf_rw32(icb.len) > 0) 794 udf_append_file_mapping(dscr, &icb); 795 udf_validate_tag_and_crc_sums(dscr); 796 797 /* write out data piece */ 798 vpart = udf_rw16(data_icb->loc.part_num); 799 location = udf_rw32(data_icb->loc.lb_num); 800 sects = udf_datablocks(flen); 801 for (cnt = 0; cnt < sects; cnt++) { 802 bpos = fdata + cnt*context.sector_size; 803 phys = context.vtop_offset[vpart] + location + cnt; 804 error = udf_write_sector(bpos, phys); 805 if (error) 806 return error; 807 } 808 return 0; 809 } 810 811 812 static int 813 udf_create_new_file(struct stat *st, union dscrptr **dscr, 814 int filetype, struct long_ad *icb) 815 { 816 struct file_entry *fe; 817 struct extfile_entry *efe; 818 int error; 819 820 fe = NULL; 821 efe = NULL; 822 if (context.dscrver == 2) { 823 error = udf_create_new_fe(&fe, filetype, st); 824 if (error) 825 errx(error, "can't create fe"); 826 *dscr = (union dscrptr *) fe; 827 icb->longad_uniqueid = fe->unique_id; 828 } else { 829 error = udf_create_new_efe(&efe, filetype, st); 830 if (error) 831 errx(error, "can't create fe"); 832 *dscr = (union dscrptr *) efe; 833 icb->longad_uniqueid = efe->unique_id; 834 } 835 836 return 0; 837 } 838 839 840 static void 841 udf_estimate_walk(fsinfo_t *fsopts, 842 fsnode *root, char *dir, struct udf_stats *stats) 843 { 844 struct fileid_desc *fid; 845 struct long_ad dummy_ref; 846 fsnode *cur; 847 fsinode *fnode; 848 size_t pathlen = strlen(dir); 849 char *mydir = dir + pathlen; 850 off_t sz; 851 uint32_t nblk, ddoff; 852 uint32_t softlink_len; 853 uint8_t *softlink_buf; 854 int nentries; 855 int error; 856 857 stats->ndirs++; 858 859 /* 860 * Count number of directory entries and count directory size; needed 861 * for the reservation of enough space for the directory. Pity we 862 * don't keep the FIDs we created. If it turns out to be a issue we 863 * can cache it later. 864 */ 865 fid = (struct fileid_desc *) malloc(context.sector_size); 866 assert(fid); 867 868 ddoff = 40; /* '..' entry */ 869 for (cur = root, nentries = 0; cur != NULL; cur = cur->next) { 870 switch (cur->type & S_IFMT) { 871 default: 872 /* what kind of nodes? */ 873 break; 874 case S_IFCHR: 875 case S_IFBLK: 876 /* not supported yet */ 877 continue; 878 case S_IFDIR: 879 if (strcmp(cur->name, ".") == 0) 880 continue; 881 case S_IFLNK: 882 case S_IFREG: 883 /* create dummy FID to see how long name will become */ 884 udf_create_fid(ddoff, fid, cur->name, 0, &dummy_ref); 885 886 nentries++; 887 ddoff += udf_fidsize(fid); 888 } 889 } 890 sz = ddoff; 891 892 root->inode->st.st_size = sz; /* max now */ 893 root->inode->flags |= FI_SIZED; 894 895 nblk = udf_datablocks(sz); 896 stats->nmetadatablocks += nblk; 897 898 /* for each entry in the directory, there needs to be a (E)FE */ 899 stats->nmetadatablocks += nentries + 1; 900 901 /* recurse */ 902 for (cur = root; cur != NULL; cur = cur->next) { 903 switch (cur->type & S_IFMT) { 904 default: 905 /* what kind of nodes? */ 906 break; 907 case S_IFCHR: 908 case S_IFBLK: 909 /* not supported yet */ 910 // stats->nfiles++; 911 break; 912 case S_IFDIR: 913 if (strcmp(cur->name, ".") == 0) 914 continue; 915 /* empty dir? */ 916 if (!cur->child) 917 break; 918 mydir[0] = '/'; 919 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen); 920 udf_estimate_walk(fsopts, cur->child, dir, stats); 921 mydir[0] = '\0'; 922 break; 923 case S_IFREG: 924 fnode = cur->inode; 925 /* don't double-count hard-links */ 926 if (!(fnode->flags & FI_SIZED)) { 927 sz = fnode->st.st_size; 928 nblk = udf_datablocks(sz); 929 stats->ndatablocks += nblk; 930 /* ... */ 931 fnode->flags |= FI_SIZED; 932 } 933 stats->nfiles++; 934 break; 935 case S_IFLNK: 936 /* softlink */ 937 fnode = cur->inode; 938 /* don't double-count hard-links */ 939 if (!(fnode->flags & FI_SIZED)) { 940 error = udf_encode_symlink(&softlink_buf, 941 &softlink_len, cur->symlink); 942 if (error) { 943 printf("SOFTLINK error %d\n", error); 944 break; 945 } 946 nblk = udf_datablocks(softlink_len); 947 stats->ndatablocks += nblk; 948 fnode->flags |= FI_SIZED; 949 950 free(softlink_buf); 951 } 952 stats->nfiles++; 953 break; 954 } 955 } 956 } 957 958 959 #define UDF_MAX_CHUNK_SIZE (4*1024*1024) 960 static int 961 udf_copy_file(struct stat *st, char *path, fsnode *cur, struct fileid_desc *fid, 962 struct long_ad *icb) 963 { 964 union dscrptr *dscr; 965 struct long_ad data_icb; 966 fsinode *fnode; 967 off_t sz, chunk, rd; 968 uint8_t *data; 969 int nblk; 970 int i, f; 971 int error; 972 973 fnode = cur->inode; 974 975 f = open(path, O_RDONLY); 976 if (f < 0) { 977 warn("Can't open file %s for reading", cur->name); 978 return errno; 979 } 980 981 /* claim disc space for the (e)fe descriptor for this file */ 982 udf_metadata_alloc(1, icb); 983 udf_create_new_file(st, &dscr, UDF_ICB_FILETYPE_RANDOMACCESS, icb); 984 985 sz = fnode->st.st_size; 986 987 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE); 988 data = malloc(MAX(chunk, context.sector_size)); 989 assert(data); 990 991 printf(" "); 992 i = 0; 993 error = 0; 994 while (chunk) { 995 rd = read(f, data, chunk); 996 if (rd != chunk) { 997 warn("Short read of file %s\n", cur->name); 998 error = errno; 999 break; 1000 } 1001 printf("\b%c", "\\|/-"[i++ % 4]); fflush(stdout);fflush(stderr); 1002 1003 nblk = udf_datablocks(chunk); 1004 if (nblk > 0) 1005 udf_data_alloc(nblk, &data_icb); 1006 udf_append_file_contents(dscr, &data_icb, data, chunk); 1007 1008 sz -= chunk; 1009 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE); 1010 } 1011 printf("\b \n"); 1012 close(f); 1013 free(data); 1014 1015 /* write out dscr (e)fe */ 1016 udf_set_link_cnt(dscr, fnode->nlink); 1017 udf_write_dscr_virt(dscr, udf_rw32(icb->loc.lb_num), 1018 udf_rw16(icb->loc.part_num), 1); 1019 free(dscr); 1020 1021 /* remember our location for hardlinks */ 1022 cur->inode->fsuse = malloc(sizeof(struct long_ad)); 1023 memcpy(cur->inode->fsuse, icb, sizeof(struct long_ad)); 1024 1025 return error; 1026 } 1027 1028 1029 static int 1030 udf_populate_walk(fsinfo_t *fsopts, fsnode *root, char *dir, 1031 struct long_ad *parent_icb, struct long_ad *dir_icb) 1032 { 1033 union dscrptr *dir_dscr, *dscr; 1034 struct fileid_desc *fid; 1035 struct long_ad icb, data_icb, dirdata_icb; 1036 fsnode *cur; 1037 fsinode *fnode; 1038 size_t pathlen = strlen(dir); 1039 size_t dirlen; 1040 char *mydir = dir + pathlen; 1041 uint32_t nblk, ddoff; 1042 uint32_t softlink_len; 1043 uint8_t *softlink_buf; 1044 uint8_t *dirdata; 1045 int error, ret, retval; 1046 1047 /* claim disc space for the (e)fe descriptor for this dir */ 1048 udf_metadata_alloc(1, dir_icb); 1049 1050 /* create new e(fe) */ 1051 udf_create_new_file(&root->inode->st, &dir_dscr, 1052 UDF_ICB_FILETYPE_DIRECTORY, dir_icb); 1053 1054 /* claim space for the directory contents */ 1055 dirlen = root->inode->st.st_size; 1056 nblk = udf_datablocks(dirlen); 1057 if (nblk > 0) { 1058 /* claim disc space for the dir contents */ 1059 udf_data_alloc(nblk, &dirdata_icb); 1060 } 1061 1062 /* allocate memory for the directory contents */ 1063 nblk++; 1064 dirdata = malloc(nblk * context.sector_size); 1065 assert(dirdata); 1066 memset(dirdata, 0, nblk * context.sector_size); 1067 1068 /* create and append '..' */ 1069 fid = (struct fileid_desc *) dirdata; 1070 ddoff = udf_create_parentfid(fid, parent_icb); 1071 1072 /* for '..' */ 1073 udf_inc_link(dir_dscr); 1074 1075 /* recurse */ 1076 retval = 0; 1077 for (cur = root; cur != NULL; cur = cur->next) { 1078 mydir[0] = '/'; 1079 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen); 1080 1081 fid = (struct fileid_desc *) (dirdata + ddoff); 1082 switch (cur->type & S_IFMT) { 1083 default: 1084 /* what kind of nodes? */ 1085 retval = 2; 1086 break; 1087 case S_IFCHR: 1088 case S_IFBLK: 1089 /* not supported */ 1090 retval = 2; 1091 warnx("device node %s not supported", dir); 1092 break; 1093 case S_IFDIR: 1094 /* not an empty dir? */ 1095 if (strcmp(cur->name, ".") == 0) 1096 break; 1097 assert(cur->child); 1098 if (cur->child) { 1099 ret = udf_populate_walk(fsopts, cur->child, 1100 dir, dir_icb, &icb); 1101 if (ret) 1102 retval = 2; 1103 } 1104 udf_create_fid(ddoff, fid, cur->name, 1105 UDF_FILE_CHAR_DIR, &icb); 1106 udf_inc_link(dir_dscr); 1107 ddoff += udf_fidsize(fid); 1108 break; 1109 case S_IFREG: 1110 fnode = cur->inode; 1111 /* don't re-copy hard-links */ 1112 if (!(fnode->flags & FI_WRITTEN)) { 1113 printf("%s", dir); 1114 error = udf_copy_file(&fnode->st, dir, cur, 1115 fid, &icb); 1116 if (!error) { 1117 fnode->flags |= FI_WRITTEN; 1118 udf_create_fid(ddoff, fid, cur->name, 1119 0, &icb); 1120 ddoff += udf_fidsize(fid); 1121 } else { 1122 retval = 2; 1123 } 1124 } else { 1125 /* hardlink! */ 1126 printf("%s (hardlink)\n", dir); 1127 udf_create_fid(ddoff, fid, cur->name, 1128 0, (struct long_ad *) (fnode->fsuse)); 1129 ddoff += udf_fidsize(fid); 1130 } 1131 fnode->nlink--; 1132 if (fnode->nlink == 0) 1133 free(fnode->fsuse); 1134 break; 1135 case S_IFLNK: 1136 /* softlink */ 1137 fnode = cur->inode; 1138 printf("%s -> %s\n", dir, cur->symlink); 1139 error = udf_encode_symlink(&softlink_buf, 1140 &softlink_len, cur->symlink); 1141 if (error) { 1142 printf("SOFTLINK error %d\n", error); 1143 retval = 2; 1144 break; 1145 } 1146 1147 udf_metadata_alloc(1, &icb); 1148 udf_create_new_file(&fnode->st, &dscr, 1149 UDF_ICB_FILETYPE_SYMLINK, &icb); 1150 1151 nblk = udf_datablocks(softlink_len); 1152 if (nblk > 0) 1153 udf_data_alloc(nblk, &data_icb); 1154 udf_append_file_contents(dscr, &data_icb, 1155 softlink_buf, softlink_len); 1156 1157 /* write out dscr (e)fe */ 1158 udf_inc_link(dscr); 1159 udf_write_dscr_virt(dscr, udf_rw32(icb.loc.lb_num), 1160 udf_rw16(icb.loc.part_num), 1); 1161 1162 free(dscr); 1163 free(softlink_buf); 1164 1165 udf_create_fid(ddoff, fid, cur->name, 0, &icb); 1166 ddoff += udf_fidsize(fid); 1167 break; 1168 } 1169 mydir[0] = '\0'; 1170 } 1171 1172 /* writeout directory contents */ 1173 dirlen = ddoff; /* XXX might bite back */ 1174 1175 udf_prepare_fids(dir_icb, &dirdata_icb, dirdata, dirlen); 1176 udf_append_file_contents(dir_dscr, &dirdata_icb, dirdata, dirlen); 1177 1178 /* write out dir_dscr (e)fe */ 1179 udf_write_dscr_virt(dir_dscr, udf_rw32(dir_icb->loc.lb_num), 1180 udf_rw16(dir_icb->loc.part_num), 1); 1181 1182 free(dirdata); 1183 free(dir_dscr); 1184 return retval; 1185 } 1186 1187 1188 static int 1189 udf_populate(const char *dir, fsnode *root, fsinfo_t *fsopts, 1190 struct udf_stats *stats) 1191 { 1192 struct long_ad rooticb; 1193 static char path[MAXPATHLEN+1]; 1194 int error; 1195 1196 /* make sure the root gets the rootdir entry */ 1197 context.metadata_alloc_pos = layout.rootdir; 1198 context.data_alloc_pos = layout.rootdir; 1199 1200 strncpy(path, dir, sizeof(path)); 1201 error = udf_populate_walk(fsopts, root, path, &rooticb, &rooticb); 1202 1203 return error; 1204 } 1205 1206 1207 static void 1208 udf_enumerate_and_estimate(const char *dir, fsnode *root, fsinfo_t *fsopts, 1209 struct udf_stats *stats) 1210 { 1211 char path[MAXPATHLEN + 1]; 1212 off_t proposed_size; 1213 uint32_t n, nblk; 1214 1215 strncpy(path, dir, sizeof(path)); 1216 1217 /* calculate strict minimal size */ 1218 udf_estimate_walk(fsopts, root, path, stats); 1219 printf("ndirs %d\n", stats->ndirs); 1220 printf("nfiles %d\n", stats->nfiles); 1221 printf("ndata_blocks %d\n", stats->ndatablocks); 1222 printf("nmetadata_blocks %d\n", stats->nmetadatablocks); 1223 printf("\n"); 1224 1225 /* adjust for options : free file nodes */ 1226 if (fsopts->freefiles) { 1227 /* be mercifull and reserve more for the FID */ 1228 stats->nmetadatablocks += fsopts->freefiles * 1.5; 1229 } else if ((n = fsopts->freefilepc)) { 1230 stats->nmetadatablocks += (stats->nmetadatablocks*n) / (100-n); 1231 } 1232 1233 /* adjust for options : free data blocks */ 1234 if (fsopts->freeblocks) { 1235 stats->ndatablocks += fsopts->freeblocks; 1236 } else if ((n = fsopts->freeblockpc)) { 1237 stats->ndatablocks += (stats->ndatablocks * n) / (100-n); 1238 } 1239 1240 /* rough predictor of minimum disc size */ 1241 nblk = stats->ndatablocks + stats->nmetadatablocks; 1242 nblk = (double) nblk * (1.0 + 1.0/8.0); /* free space map */ 1243 nblk += 256; /* pre-volume space */ 1244 nblk += 256; /* post-volume space */ 1245 nblk += 64; /* safeguard */ 1246 1247 /* try to honour minimum size */ 1248 n = fsopts->minsize / fsopts->sectorsize; 1249 if (nblk < n) { 1250 stats->ndatablocks += (n - nblk); 1251 nblk += n - nblk; 1252 } 1253 proposed_size = (off_t) nblk * fsopts->sectorsize; 1254 /* sanity size */ 1255 if (proposed_size < 512*1024) 1256 proposed_size = 512*1024; 1257 1258 if (fsopts->size) { 1259 if (fsopts->size < proposed_size) 1260 err(EINVAL, "makefs_udf: won't fit on disc!"); 1261 } else { 1262 fsopts->size = proposed_size; 1263 } 1264 1265 fsopts->inodes = stats->nfiles + stats->ndirs; 1266 } 1267 1268 1269 void 1270 udf_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 1271 { 1272 struct udf_stats stats; 1273 uint64_t truncate_len; 1274 char scrap[255]; 1275 int error; 1276 1277 /* determine format */ 1278 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile); 1279 printf("req_enable %d, req_disable %d\n", req_enable, req_disable); 1280 1281 context.sector_size = fsopts->sectorsize; 1282 error = udf_derive_format(req_enable, req_disable, false); 1283 if (error) 1284 err(EINVAL, "makefs_udf: can't determine format"); 1285 1286 /* names */ 1287 error = udf_proces_names(); 1288 if (error) 1289 err(EINVAL, "makefs_udf: bad names given"); 1290 1291 /* set return value to 1 indicating error */ 1292 error = 1; 1293 1294 /* estimate the amount of space needed */ 1295 memset(&stats, 0, sizeof(stats)); 1296 udf_enumerate_and_estimate(dir, root, fsopts, &stats); 1297 1298 printf("Calculated size of `%s': %lld bytes, %ld inodes\n", 1299 image, (long long)fsopts->size, (long)fsopts->inodes); 1300 1301 /* create file image */ 1302 if ((fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) == -1) { 1303 err(EXIT_FAILURE, "%s", image); 1304 } 1305 if (lseek(fd, fsopts->size - 1, SEEK_SET) == -1) { 1306 goto err_exit; 1307 } 1308 if (write(fd, &fd, 1) != 1) { 1309 goto err_exit; 1310 } 1311 if (lseek(fd, 0, SEEK_SET) == -1) { 1312 goto err_exit; 1313 } 1314 fsopts->fd = fd; 1315 1316 /* calculate metadata percentage */ 1317 meta_fract = fsopts->size / (stats.nmetadatablocks*fsopts->sectorsize); 1318 meta_fract = ((int) ((meta_fract + 0.005)*100.0)) / 100; 1319 1320 /* update mmc info but now with correct size */ 1321 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile); 1322 1323 printf("Building disc compatible with UDF version %x to %x\n\n", 1324 context.min_udf, context.max_udf); 1325 (void)snprintb(scrap, sizeof(scrap), FORMAT_FLAGBITS, 1326 (uint64_t) format_flags); 1327 printf("UDF properties %s\n", scrap); 1328 printf("Volume set `%s'\n", context.volset_name); 1329 printf("Primary volume `%s`\n", context.primary_name); 1330 printf("Logical volume `%s`\n", context.logvol_name); 1331 if (format_flags & FORMAT_META) 1332 printf("Metadata percentage %d %%\n", 1333 (int) (100.0*stats.ndatablocks/stats.nmetadatablocks)); 1334 printf("\n"); 1335 udf_do_newfs_prefix(); 1336 1337 /* update context */ 1338 context.unique_id = 0; 1339 1340 /* XXX are the next two needed? or should be re-count them? */ 1341 context.num_files = stats.nfiles; 1342 context.num_directories = stats.ndirs; 1343 1344 error = udf_populate(dir, root, fsopts, &stats); 1345 1346 udf_do_newfs_postfix(); 1347 1348 if (format_flags & FORMAT_VAT) { 1349 truncate_len = context.vtop_offset[context.data_part] + 1350 context.data_alloc_pos; 1351 truncate_len *= context.sector_size; 1352 1353 printf("\nTruncing the disc-image to allow for VAT\n"); 1354 printf("Free space left on this volume approx. " 1355 "%"PRIu64" KiB, %"PRIu64" MiB\n", 1356 (fsopts->size - truncate_len)/1024, 1357 (fsopts->size - truncate_len)/1024/1024); 1358 ftruncate(fd, truncate_len); 1359 } 1360 1361 if (error) { 1362 error = 2; /* some files couldn't be added */ 1363 goto err_exit; 1364 } 1365 1366 close(fd); 1367 return; 1368 1369 err_exit: 1370 close(fd); 1371 if (error == 2) { 1372 errx(error, "Not all files could be added"); 1373 } else { 1374 errx(error, "creation of %s failed", image); 1375 } 1376 } 1377 1378