1 /* $NetBSD: udf.c,v 1.8 2013/08/06 12:19:34 reinoud 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 1.8 2013/08/06 12:19:34 reinoud 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 #include "makefs.h" 57 #include "udf_create.h" 58 #include "udf_write.h" 59 #include "newfs_udf.h" 60 61 62 /* 63 * Note: due to the setup of the newfs code, the current state of the program 64 * and its options are helt in a few global variables. The FS specific parts 65 * are in a global `context' structure. 66 */ 67 68 /* global variables describing disc and format requests */ 69 int fd; /* device: file descriptor */ 70 char *dev; /* device: name */ 71 struct mmc_discinfo mmc_discinfo; /* device: disc info */ 72 73 char *format_str; /* format: string representation */ 74 int format_flags; /* format: attribute flags */ 75 int media_accesstype; /* derived from current mmc cap */ 76 int check_surface; /* for rewritables */ 77 int imagefile_secsize; /* for files */ 78 79 int display_progressbar; 80 81 int wrtrack_skew; 82 float meta_fract = (float) UDF_META_PERC / 100.0; 83 84 int mmc_profile; /* emulated profile */ 85 int req_enable, req_disable; 86 87 88 /* --------------------------------------------------------------------- */ 89 90 int 91 udf_write_sector(void *sector, uint32_t location) 92 { 93 uint64_t wpos; 94 ssize_t ret; 95 96 wpos = (uint64_t) location * context.sector_size; 97 ret = pwrite(fd, sector, context.sector_size, wpos); 98 if (ret == -1) 99 return errno; 100 if (ret < context.sector_size) 101 return EIO; 102 return 0; 103 } 104 105 106 /* not implemented for files */ 107 int 108 udf_surface_check(void) 109 { 110 return 0; 111 } 112 113 114 /* 115 * mmc_discinfo and mmc_trackinfo readers modified from origional in udf main 116 * code in sys/fs/udf/ 117 */ 118 119 #ifdef DEBUG 120 static void 121 udf_dump_discinfo(struct mmc_discinfo *di) 122 { 123 char bits[128]; 124 125 printf("Device/media info :\n"); 126 printf("\tMMC profile 0x%02x\n", di->mmc_profile); 127 printf("\tderived class %d\n", di->mmc_class); 128 printf("\tsector size %d\n", di->sector_size); 129 printf("\tdisc state %d\n", di->disc_state); 130 printf("\tlast ses state %d\n", di->last_session_state); 131 printf("\tbg format state %d\n", di->bg_format_state); 132 printf("\tfrst track %d\n", di->first_track); 133 printf("\tfst on last ses %d\n", di->first_track_last_session); 134 printf("\tlst on last ses %d\n", di->last_track_last_session); 135 printf("\tlink block penalty %d\n", di->link_block_penalty); 136 snprintb(bits, sizeof(bits), MMC_DFLAGS_FLAGBITS, 137 (uint64_t) di->disc_flags); 138 printf("\tdisc flags %s\n", bits); 139 printf("\tdisc id %x\n", di->disc_id); 140 printf("\tdisc barcode %"PRIx64"\n", di->disc_barcode); 141 142 printf("\tnum sessions %d\n", di->num_sessions); 143 printf("\tnum tracks %d\n", di->num_tracks); 144 145 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cur); 146 printf("\tcapabilities cur %s\n", bits); 147 snprintb(bits, sizeof(bits), MMC_CAP_FLAGBITS, di->mmc_cap); 148 printf("\tcapabilities cap %s\n", bits); 149 printf("\n"); 150 printf("\tlast_possible_lba %d\n", di->last_possible_lba); 151 printf("\n"); 152 } 153 #else 154 #define udf_dump_discinfo(a); 155 #endif 156 157 /* --------------------------------------------------------------------- */ 158 159 static int 160 udf_emulate_discinfo(fsinfo_t *fsopts, struct mmc_discinfo *di, 161 int mmc_emuprofile) 162 { 163 off_t sectors; 164 165 memset(di, 0, sizeof(*di)); 166 167 /* file support */ 168 if ((mmc_emuprofile != 0x01) && (fsopts->sectorsize != 2048)) 169 warnx("cd/dvd/bd sectorsize is not set to default 2048"); 170 171 sectors = fsopts->size / fsopts->sectorsize; 172 173 /* commons */ 174 di->mmc_profile = mmc_emuprofile; 175 di->disc_state = MMC_STATE_CLOSED; 176 di->last_session_state = MMC_STATE_CLOSED; 177 di->bg_format_state = MMC_BGFSTATE_COMPLETED; 178 di->link_block_penalty = 0; 179 180 di->disc_flags = MMC_DFLAGS_UNRESTRICTED; 181 182 di->last_possible_lba = sectors - 1; 183 di->sector_size = fsopts->sectorsize; 184 185 di->num_sessions = 1; 186 di->num_tracks = 1; 187 188 di->first_track = 1; 189 di->first_track_last_session = di->last_track_last_session = 1; 190 191 di->mmc_cur = MMC_CAP_RECORDABLE | MMC_CAP_ZEROLINKBLK; 192 switch (mmc_emuprofile) { 193 case 0x00: /* unknown, treat as CDROM */ 194 case 0x08: /* CDROM */ 195 case 0x10: /* DVDROM */ 196 case 0x40: /* BDROM */ 197 req_enable |= FORMAT_READONLY; 198 /* FALLTROUGH */ 199 case 0x01: /* disc */ 200 /* set up a disc info profile for partitions/files */ 201 di->mmc_class = MMC_CLASS_DISC; 202 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE; 203 break; 204 case 0x09: /* CD-R */ 205 di->mmc_class = MMC_CLASS_CD; 206 di->mmc_cur |= MMC_CAP_SEQUENTIAL; 207 di->disc_state = MMC_STATE_EMPTY; 208 break; 209 case 0x0a: /* CD-RW + CD-MRW (regretably) */ 210 di->mmc_class = MMC_CLASS_CD; 211 di->mmc_cur |= MMC_CAP_REWRITABLE; 212 break; 213 case 0x13: /* DVD-RW */ 214 di->mmc_class = MMC_CLASS_DVD; 215 di->mmc_cur |= MMC_CAP_REWRITABLE; 216 break; 217 case 0x11: /* DVD-R */ 218 case 0x14: /* DVD-RW sequential */ 219 case 0x1b: /* DVD+R */ 220 case 0x2b: /* DVD+R DL */ 221 case 0x51: /* HD DVD-R */ 222 di->mmc_class = MMC_CLASS_DVD; 223 di->mmc_cur |= MMC_CAP_SEQUENTIAL; 224 di->disc_state = MMC_STATE_EMPTY; 225 break; 226 case 0x41: /* BD-R */ 227 di->mmc_class = MMC_CLASS_BD; 228 di->mmc_cur |= MMC_CAP_SEQUENTIAL | MMC_CAP_HW_DEFECTFREE; 229 di->disc_state = MMC_STATE_EMPTY; 230 break; 231 case 0x43: /* BD-RE */ 232 di->mmc_class = MMC_CLASS_BD; 233 di->mmc_cur |= MMC_CAP_REWRITABLE | MMC_CAP_HW_DEFECTFREE; 234 break; 235 default: 236 err(EINVAL, "makefs_udf: unknown or unimplemented device type"); 237 return EINVAL; 238 } 239 di->mmc_cap = di->mmc_cur; 240 241 udf_dump_discinfo(di); 242 return 0; 243 } 244 245 246 int 247 udf_update_trackinfo(struct mmc_discinfo *di, struct mmc_trackinfo *ti) 248 { 249 /* discs partition support */ 250 if (ti->tracknr != 1) 251 return EIO; 252 253 /* create fake ti */ 254 ti->sessionnr = 1; 255 256 ti->track_mode = 0; /* XXX */ 257 ti->data_mode = 0; /* XXX */ 258 ti->flags = MMC_TRACKINFO_LRA_VALID | MMC_TRACKINFO_NWA_VALID; 259 260 ti->track_start = 0; 261 ti->packet_size = 32; /* take sensible default */ 262 263 ti->track_size = di->last_possible_lba; 264 ti->next_writable = di->last_possible_lba; 265 ti->last_recorded = ti->next_writable; 266 ti->free_blocks = 0; 267 268 return 0; 269 } 270 271 #define OPT_STR(letter, name, desc) \ 272 { letter, name, NULL, OPT_STRBUF, 0, 0, desc } 273 274 #define OPT_NUM(letter, name, field, min, max, desc) \ 275 { letter, name, &diskStructure->field, \ 276 sizeof(diskStructure->field) == 8 ? OPT_INT64 : \ 277 (sizeof(diskStructure->field) == 4 ? OPT_INT32 : \ 278 (sizeof(diskStructure->field) == 2 ? OPT_INT16 : OPT_INT8)), \ 279 min, max, desc } 280 281 #define OPT_BOOL(letter, name, field, desc) \ 282 OPT_NUM(letter, name, field, 0, 1, desc) 283 284 void 285 udf_prep_opts(fsinfo_t *fsopts) 286 { 287 struct tm *tm; 288 time_t now; 289 290 const option_t udf_options[] = { 291 OPT_STR('T', "disctype", "disc type (cdrom,dvdrom,bdrom," 292 "dvdram,bdre,disk,cdr,dvdr,bdr,cdrw,dvdrw)"), 293 OPT_STR('L', "loglabel", "\"logical volume name\""), 294 OPT_STR('P', "discid", "[\"volset name\"':']" 295 "\"physical volume name\""), 296 { .name = NULL } 297 }; 298 299 /* initialise */ 300 format_str = strdup(""); 301 req_enable = req_disable = 0; 302 format_flags = FORMAT_INVALID; 303 fsopts->sectorsize = 512; /* minimum allowed sector size */ 304 305 srandom((unsigned long) time(NULL)); 306 307 mmc_profile = 0x01; /* 'disc'/file */ 308 309 udf_init_create_context(); 310 context.app_name = APP_NAME; 311 context.impl_name = IMPL_NAME; 312 context.app_version_main = APP_VERSION_MAIN; 313 context.app_version_sub = APP_VERSION_SUB; 314 315 /* minimum and maximum UDF versions we advise */ 316 context.min_udf = 0x102; 317 context.max_udf = 0x201; 318 319 /* use user's time zone as default */ 320 (void)time(&now); 321 tm = localtime(&now); 322 context.gmtoff = tm->tm_gmtoff; 323 324 /* return info */ 325 fsopts->fs_specific = NULL; 326 fsopts->fs_options = copy_opts(udf_options); 327 } 328 329 330 void 331 udf_cleanup_opts(fsinfo_t *fsopts) 332 { 333 free(fsopts->fs_options); 334 } 335 336 337 #define CDRSIZE ((uint64_t) 700*1024*1024) /* small approx */ 338 #define CDRWSIZE ((uint64_t) 576*1024*1024) /* small approx */ 339 #define DVDRSIZE ((uint64_t) 4488*1024*1024) /* small approx */ 340 #define DVDRAMSIZE ((uint64_t) 4330*1024*1024) /* small approx with spare */ 341 #define DVDRWSIZE ((uint64_t) 4482*1024*1024) /* small approx */ 342 #define BDRSIZE ((uint64_t) 23866*1024*1024) /* small approx */ 343 #define BDRESIZE ((uint64_t) 23098*1024*1024) /* small approx */ 344 345 int 346 udf_parse_opts(const char *option, fsinfo_t *fsopts) 347 { 348 option_t *udf_options = fsopts->fs_options; 349 uint64_t stdsize; 350 uint32_t set_sectorsize; 351 const char *name, *desc; 352 char buffer[1024], *buf, *colon; 353 int i; 354 355 assert(option != NULL); 356 357 if (debug & DEBUG_FS_PARSE_OPTS) 358 printf("udf_parse_opts: got `%s'\n", option); 359 360 i = set_option(udf_options, option, buffer, sizeof(buffer)); 361 if (i == -1) 362 return 0; 363 364 if (udf_options[i].name == NULL) 365 abort(); 366 367 set_sectorsize = 0; 368 stdsize = 0; 369 370 buf = buffer; 371 name = udf_options[i].name; 372 desc = udf_options[i].desc; 373 switch (udf_options[i].letter) { 374 case 'T': 375 if (strcmp(buf, "cdrom") == 0) { 376 mmc_profile = 0x00; 377 } else if (strcmp(buf, "dvdrom") == 0) { 378 mmc_profile = 0x10; 379 } else if (strcmp(buf, "bdrom") == 0) { 380 mmc_profile = 0x40; 381 } else if (strcmp(buf, "dvdram") == 0) { 382 mmc_profile = 0x12; 383 stdsize = DVDRAMSIZE; 384 } else if (strcmp(buf, "bdre") == 0) { 385 mmc_profile = 0x43; 386 stdsize = BDRESIZE; 387 } else if (strcmp(buf, "disk") == 0) { 388 mmc_profile = 0x01; 389 } else if (strcmp(buf, "cdr") == 0) { 390 mmc_profile = 0x09; 391 stdsize = CDRSIZE; 392 } else if (strcmp(buf, "dvdr") == 0) { 393 mmc_profile = 0x1b; 394 stdsize = DVDRSIZE; 395 } else if (strcmp(buf, "bdr") == 0) { 396 mmc_profile = 0x41; 397 stdsize = BDRSIZE; 398 } else if (strcmp(buf, "cdrw") == 0) { 399 mmc_profile = 0x0a; 400 stdsize = CDRWSIZE; 401 } else if (strcmp(buf, "dvdrw") == 0) { 402 mmc_profile = 0x13; 403 stdsize = DVDRWSIZE; 404 } else { 405 errx(EINVAL, "Unknown or unimplemented disc format"); 406 return 0; 407 } 408 if (mmc_profile != 0x01) 409 set_sectorsize = 2048; 410 break; 411 case 'L': 412 if (context.logvol_name) free(context.logvol_name); 413 context.logvol_name = strdup(buf); 414 break; 415 case 'P': 416 if ((colon = strstr(buf, ":"))) { 417 if (context.volset_name) 418 free(context.volset_name); 419 *colon = 0; 420 context.volset_name = strdup(buf); 421 buf = colon+1; 422 } 423 if (context.primary_name) 424 free(context.primary_name); 425 if ((strstr(buf, ":"))) { 426 perror("primary name can't have ':' in its name"); 427 return 0; 428 } 429 context.primary_name = strdup(buf); 430 break; 431 } 432 if (set_sectorsize) 433 fsopts->sectorsize = set_sectorsize; 434 if (stdsize) 435 fsopts->size = stdsize; 436 return 1; 437 } 438 439 /* --------------------------------------------------------------------- */ 440 441 struct udf_stats { 442 uint32_t nfiles; 443 uint32_t ndirs; 444 uint32_t ndescr; 445 uint32_t nmetadatablocks; 446 uint32_t ndatablocks; 447 }; 448 449 450 /* node reference administration */ 451 static void 452 udf_inc_link(union dscrptr *dscr) 453 { 454 struct file_entry *fe; 455 struct extfile_entry *efe; 456 457 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 458 fe = &dscr->fe; 459 fe->link_cnt = udf_rw16(udf_rw16(fe->link_cnt) + 1); 460 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 461 efe = &dscr->efe; 462 efe->link_cnt = udf_rw16(udf_rw16(efe->link_cnt) + 1); 463 } else { 464 errx(1, "Bad tag passed to udf_inc_link"); 465 } 466 } 467 468 469 static void 470 udf_set_link_cnt(union dscrptr *dscr, int num) 471 { 472 struct file_entry *fe; 473 struct extfile_entry *efe; 474 475 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 476 fe = &dscr->fe; 477 fe->link_cnt = udf_rw16(num); 478 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 479 efe = &dscr->efe; 480 efe->link_cnt = udf_rw16(num); 481 } else { 482 errx(1, "Bad tag passed to udf_set_link_cnt"); 483 } 484 } 485 486 487 static uint32_t 488 udf_datablocks(off_t sz) 489 { 490 /* predictor if it can be written inside the node */ 491 if (sz < context.sector_size - UDF_EXTFENTRY_SIZE - 16) 492 return 0; 493 494 return UDF_ROUNDUP(sz, context.sector_size) / context.sector_size; 495 } 496 497 498 static void 499 udf_prepare_fids(struct long_ad *dir_icb, struct long_ad *dirdata_icb, 500 uint8_t *dirdata, uint32_t dirdata_size) 501 { 502 struct fileid_desc *fid; 503 struct long_ad *icb; 504 uint32_t fidsize, offset; 505 uint32_t location; 506 507 if (udf_datablocks(dirdata_size) == 0) { 508 /* going internal */ 509 icb = dir_icb; 510 } else { 511 /* external blocks to write to */ 512 icb = dirdata_icb; 513 } 514 515 for (offset = 0; offset < dirdata_size; offset += fidsize) { 516 /* for each FID: */ 517 fid = (struct fileid_desc *) (dirdata + offset); 518 assert(udf_rw16(fid->tag.id) == TAGID_FID); 519 520 location = udf_rw32(icb->loc.lb_num); 521 location += offset / context.sector_size; 522 523 fid->tag.tag_loc = udf_rw32(location); 524 udf_validate_tag_and_crc_sums((union dscrptr *) fid); 525 526 fidsize = udf_fidsize(fid); 527 } 528 } 529 530 static int 531 udf_file_inject_blob(union dscrptr *dscr, uint8_t *blob, size_t size) 532 { 533 struct icb_tag *icb; 534 struct file_entry *fe; 535 struct extfile_entry *efe; 536 uint64_t inf_len, obj_size; 537 uint32_t l_ea, l_ad; 538 uint32_t free_space, desc_size; 539 uint16_t crclen; 540 uint8_t *data, *pos; 541 542 fe = NULL; 543 efe = NULL; 544 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 545 fe = &dscr->fe; 546 data = fe->data; 547 l_ea = udf_rw32(fe->l_ea); 548 l_ad = udf_rw32(fe->l_ad); 549 icb = &fe->icbtag; 550 inf_len = udf_rw64(fe->inf_len); 551 obj_size = 0; 552 desc_size = sizeof(struct file_entry); 553 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 554 efe = &dscr->efe; 555 data = efe->data; 556 l_ea = udf_rw32(efe->l_ea); 557 l_ad = udf_rw32(efe->l_ad); 558 icb = &efe->icbtag; 559 inf_len = udf_rw64(efe->inf_len); 560 obj_size = udf_rw64(efe->obj_size); 561 desc_size = sizeof(struct extfile_entry); 562 } else { 563 errx(1, "Bad tag passed to udf_file_inject_blob"); 564 } 565 crclen = udf_rw16(dscr->tag.desc_crc_len); 566 567 /* calculate free space */ 568 free_space = context.sector_size - (l_ea + l_ad) - desc_size; 569 if (udf_datablocks(size)) { 570 assert(free_space < size); 571 return 1; 572 } 573 574 /* going internal */ 575 assert(l_ad == 0); 576 assert((udf_rw16(icb->flags) & UDF_ICB_TAG_FLAGS_ALLOC_MASK) == 577 UDF_ICB_INTERN_ALLOC); 578 579 // assert(free_space >= size); 580 pos = data + l_ea + l_ad; 581 memcpy(pos, blob, size); 582 l_ad += size; 583 crclen += size; 584 585 inf_len += size; 586 obj_size += size; 587 588 if (fe) { 589 fe->l_ad = udf_rw32(l_ad); 590 fe->inf_len = udf_rw64(inf_len); 591 } else if (efe) { 592 efe->l_ad = udf_rw32(l_ad); 593 efe->inf_len = udf_rw64(inf_len); 594 efe->obj_size = udf_rw64(inf_len); 595 } 596 597 /* make sure the header sums stays correct */ 598 dscr->tag.desc_crc_len = udf_rw16(crclen); 599 udf_validate_tag_and_crc_sums(dscr); 600 601 return 0; 602 } 603 604 605 /* XXX no sparse file support */ 606 static void 607 udf_append_file_mapping(union dscrptr *dscr, struct long_ad *piece) 608 { 609 struct icb_tag *icb; 610 struct file_entry *fe; 611 struct extfile_entry *efe; 612 struct long_ad *last_long, last_piece; 613 struct short_ad *last_short, new_short; 614 uint64_t inf_len, obj_size, logblks_rec; 615 uint32_t l_ea, l_ad, size; 616 uint32_t last_lb_num, piece_lb_num; 617 uint32_t last_len, piece_len, last_flags; 618 uint32_t rest_len, merge_len, last_end; 619 uint16_t last_part_num, piece_part_num; 620 uint16_t crclen, cur_alloc; 621 uint8_t *data, *pos; 622 const int short_len = sizeof(struct short_ad); 623 const int long_len = sizeof(struct long_ad); 624 const int sector_size = context.sector_size; 625 const int use_shorts = (context.data_part == context.metadata_part); 626 uint64_t max_len = UDF_ROUNDDOWN(UDF_EXT_MAXLEN, sector_size); 627 628 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 629 fe = &dscr->fe; 630 data = fe->data; 631 l_ea = fe->l_ea; 632 l_ad = udf_rw32(fe->l_ad); 633 icb = &fe->icbtag; 634 inf_len = udf_rw64(fe->inf_len); 635 logblks_rec = udf_rw64(fe->logblks_rec); 636 obj_size = 0; 637 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 638 efe = &dscr->efe; 639 data = efe->data; 640 l_ea = efe->l_ea; 641 l_ad = udf_rw32(efe->l_ad); 642 icb = &efe->icbtag; 643 inf_len = udf_rw64(efe->inf_len); 644 obj_size = udf_rw64(efe->obj_size); 645 logblks_rec = udf_rw64(efe->logblks_rec); 646 } else { 647 errx(1, "Bad tag passed to udf_file_append_blob"); 648 } 649 crclen = udf_rw16(dscr->tag.desc_crc_len); 650 651 pos = data + l_ea; 652 cur_alloc = udf_rw16(icb->flags); 653 size = UDF_EXT_LEN(udf_rw32(piece->len)); 654 655 /* extract last entry as a long_ad */ 656 memset(&last_piece, 0, sizeof(last_piece)); 657 last_len = 0; 658 last_lb_num = 0; 659 last_part_num = 0; 660 if (l_ad != 0) { 661 if (use_shorts) { 662 assert(cur_alloc == UDF_ICB_SHORT_ALLOC); 663 pos += l_ad - short_len; 664 last_short = (struct short_ad *) pos; 665 last_lb_num = udf_rw32(last_short->lb_num); 666 last_part_num = udf_rw16(piece->loc.part_num); 667 last_len = UDF_EXT_LEN(udf_rw32(last_short->len)); 668 last_flags = UDF_EXT_FLAGS(udf_rw32(last_short->len)); 669 } else { 670 assert(cur_alloc == UDF_ICB_LONG_ALLOC); 671 pos += l_ad - long_len; 672 last_long = (struct long_ad *) pos; 673 last_lb_num = udf_rw32(last_long->loc.lb_num); 674 last_part_num = udf_rw16(last_long->loc.part_num); 675 last_len = UDF_EXT_LEN(udf_rw32(last_long->len)); 676 last_flags = UDF_EXT_FLAGS(udf_rw32(last_long->len)); 677 } 678 } 679 680 piece_len = UDF_EXT_LEN(udf_rw32(piece->len)); 681 piece_lb_num = udf_rw32(piece->loc.lb_num); 682 piece_part_num = udf_rw16(piece->loc.part_num); 683 684 /* try merging */ 685 rest_len = max_len - last_len; 686 687 merge_len = MIN(udf_rw32(piece->len), rest_len); 688 last_end = last_lb_num + (last_len / sector_size); 689 690 if ((piece_lb_num == last_end) && (last_part_num == piece_part_num)) { 691 /* we can merge */ 692 last_len += merge_len; 693 piece_len -= merge_len; 694 695 /* write back merge result */ 696 if (use_shorts) { 697 last_short->len = udf_rw32(last_len | last_flags); 698 } else { 699 last_long->len = udf_rw32(last_len | last_flags); 700 } 701 piece_lb_num += merge_len / sector_size; 702 } 703 704 if (piece_len) { 705 /* append new entry */ 706 pos = data + l_ea + l_ad; 707 if (use_shorts) { 708 icb->flags = udf_rw16(UDF_ICB_SHORT_ALLOC); 709 memset(&new_short, 0, short_len); 710 new_short.len = udf_rw32(piece_len); 711 new_short.lb_num = udf_rw32(piece_lb_num); 712 memcpy(pos, &new_short, short_len); 713 l_ad += short_len; 714 crclen += short_len; 715 } else { 716 icb->flags = udf_rw16(UDF_ICB_LONG_ALLOC); 717 piece->len = udf_rw32(piece_len); 718 piece->loc.lb_num = udf_rw32(piece_lb_num); 719 memcpy(pos, piece, long_len); 720 l_ad += long_len; 721 crclen += long_len; 722 } 723 } 724 piece->len = udf_rw32(0); 725 726 inf_len += size; 727 obj_size += size; 728 logblks_rec += UDF_ROUNDUP(size, sector_size) / sector_size; 729 730 dscr->tag.desc_crc_len = udf_rw16(crclen); 731 if (udf_rw16(dscr->tag.id) == TAGID_FENTRY) { 732 fe->l_ad = udf_rw32(l_ad); 733 fe->inf_len = udf_rw64(inf_len); 734 fe->logblks_rec = udf_rw64(logblks_rec); 735 } else if (udf_rw16(dscr->tag.id) == TAGID_EXTFENTRY) { 736 efe->l_ad = udf_rw32(l_ad); 737 efe->inf_len = udf_rw64(inf_len); 738 efe->obj_size = udf_rw64(inf_len); 739 efe->logblks_rec = udf_rw64(logblks_rec); 740 } 741 } 742 743 744 static int 745 udf_append_file_contents(union dscrptr *dscr, struct long_ad *data_icb, 746 uint8_t *fdata, size_t flen) 747 { 748 struct long_ad icb; 749 uint32_t location; 750 uint32_t phys; 751 uint16_t vpart; 752 uint8_t *bpos; 753 int cnt, sects; 754 int error; 755 756 if (udf_file_inject_blob(dscr, fdata, flen) == 0) 757 return 0; 758 759 /* has to be appended in mappings */ 760 icb = *data_icb; 761 icb.len = udf_rw32(flen); 762 while (udf_rw32(icb.len) > 0) 763 udf_append_file_mapping(dscr, &icb); 764 udf_validate_tag_and_crc_sums(dscr); 765 766 /* write out data piece */ 767 vpart = udf_rw16(data_icb->loc.part_num); 768 location = udf_rw32(data_icb->loc.lb_num); 769 sects = udf_datablocks(flen); 770 for (cnt = 0; cnt < sects; cnt++) { 771 bpos = fdata + cnt*context.sector_size; 772 phys = context.vtop_offset[vpart] + location + cnt; 773 error = udf_write_sector(bpos, phys); 774 if (error) 775 return error; 776 } 777 return 0; 778 } 779 780 781 static int 782 udf_create_new_file(struct stat *st, union dscrptr **dscr, 783 int filetype, struct long_ad *icb) 784 { 785 struct file_entry *fe; 786 struct extfile_entry *efe; 787 int error; 788 789 fe = NULL; 790 efe = NULL; 791 if (context.dscrver == 2) { 792 error = udf_create_new_fe(&fe, filetype, st); 793 if (error) 794 errx(error, "can't create fe"); 795 *dscr = (union dscrptr *) fe; 796 icb->longad_uniqueid = fe->unique_id; 797 } else { 798 error = udf_create_new_efe(&efe, filetype, st); 799 if (error) 800 errx(error, "can't create fe"); 801 *dscr = (union dscrptr *) efe; 802 icb->longad_uniqueid = efe->unique_id; 803 } 804 805 return 0; 806 } 807 808 809 static void 810 udf_estimate_walk(fsinfo_t *fsopts, 811 fsnode *root, char *dir, struct udf_stats *stats) 812 { 813 struct fileid_desc *fid; 814 struct long_ad dummy_ref; 815 fsnode *cur; 816 fsinode *fnode; 817 size_t pathlen = strlen(dir); 818 char *mydir = dir + pathlen; 819 off_t sz; 820 uint32_t nblk, ddoff; 821 uint32_t softlink_len; 822 uint8_t *softlink_buf; 823 int nentries; 824 int error; 825 826 stats->ndirs++; 827 828 /* 829 * Count number of directory entries and count directory size; needed 830 * for the reservation of enough space for the directory. Pity we 831 * don't keep the FIDs we created. If it turns out to be a issue we 832 * can cache it later. 833 */ 834 fid = (struct fileid_desc *) malloc(context.sector_size); 835 assert(fid); 836 837 ddoff = 40; /* '..' entry */ 838 for (cur = root, nentries = 0; cur != NULL; cur = cur->next) { 839 switch (cur->type & S_IFMT) { 840 default: 841 /* what kind of nodes? */ 842 break; 843 case S_IFCHR: 844 case S_IFBLK: 845 /* not supported yet */ 846 continue; 847 case S_IFDIR: 848 if (strcmp(cur->name, ".") == 0) 849 continue; 850 case S_IFLNK: 851 case S_IFREG: 852 /* create dummy FID to see how long name will become */ 853 udf_create_fid(ddoff, fid, cur->name, 0, &dummy_ref); 854 855 nentries++; 856 ddoff += udf_fidsize(fid); 857 } 858 } 859 sz = ddoff; 860 861 root->inode->st.st_size = sz; /* max now */ 862 root->inode->flags |= FI_SIZED; 863 864 nblk = udf_datablocks(sz); 865 stats->nmetadatablocks += nblk; 866 867 /* for each entry in the directory, there needs to be a (E)FE */ 868 stats->nmetadatablocks += nentries + 1; 869 870 /* recurse */ 871 for (cur = root; cur != NULL; cur = cur->next) { 872 switch (cur->type & S_IFMT) { 873 default: 874 /* what kind of nodes? */ 875 break; 876 case S_IFCHR: 877 case S_IFBLK: 878 /* not supported yet */ 879 // stats->nfiles++; 880 break; 881 case S_IFDIR: 882 if (strcmp(cur->name, ".") == 0) 883 continue; 884 /* empty dir? */ 885 if (!cur->child) 886 break; 887 mydir[0] = '/'; 888 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen); 889 udf_estimate_walk(fsopts, cur->child, dir, stats); 890 mydir[0] = '\0'; 891 break; 892 case S_IFREG: 893 fnode = cur->inode; 894 /* don't double-count hard-links */ 895 if (!(fnode->flags & FI_SIZED)) { 896 sz = fnode->st.st_size; 897 nblk = udf_datablocks(sz); 898 stats->ndatablocks += nblk; 899 /* ... */ 900 fnode->flags |= FI_SIZED; 901 } 902 stats->nfiles++; 903 break; 904 case S_IFLNK: 905 /* softlink */ 906 fnode = cur->inode; 907 /* don't double-count hard-links */ 908 if (!(fnode->flags & FI_SIZED)) { 909 error = udf_encode_symlink(&softlink_buf, 910 &softlink_len, cur->symlink); 911 if (error) { 912 printf("SOFTLINK error %d\n", error); 913 break; 914 } 915 nblk = udf_datablocks(softlink_len); 916 stats->ndatablocks += nblk; 917 fnode->flags |= FI_SIZED; 918 919 free(softlink_buf); 920 } 921 stats->nfiles++; 922 break; 923 } 924 } 925 } 926 927 928 #define UDF_MAX_CHUNK_SIZE (4*1024*1024) 929 static int 930 udf_copy_file(struct stat *st, char *path, fsnode *cur, struct fileid_desc *fid, 931 struct long_ad *icb) 932 { 933 union dscrptr *dscr; 934 struct long_ad data_icb; 935 fsinode *fnode; 936 size_t sz, chunk, rd; 937 uint8_t *data; 938 int nblk; 939 int i, f; 940 int error; 941 942 fnode = cur->inode; 943 944 f = open(path, O_RDONLY); 945 if (f < 0) { 946 warn("Can't open file %s for reading", cur->name); 947 return errno; 948 } 949 950 /* claim disc space for the (e)fe descriptor for this file */ 951 udf_metadata_alloc(1, icb); 952 udf_create_new_file(st, &dscr, UDF_ICB_FILETYPE_RANDOMACCESS, icb); 953 954 sz = fnode->st.st_size; 955 956 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE); 957 data = malloc(MAX(chunk, context.sector_size)); 958 assert(data); 959 960 printf(" "); 961 i = 0; 962 error = 0; 963 while (chunk) { 964 rd = read(f, data, chunk); 965 if (rd != chunk) { 966 warn("Short read of file %s\n", cur->name); 967 error = errno; 968 break; 969 } 970 printf("\b%c", "\\|/-"[i++ % 4]); fflush(stdout);fflush(stderr); 971 972 nblk = udf_datablocks(chunk); 973 if (nblk > 0) 974 udf_data_alloc(nblk, &data_icb); 975 udf_append_file_contents(dscr, &data_icb, data, chunk); 976 977 sz -= chunk; 978 chunk = MIN(sz, UDF_MAX_CHUNK_SIZE); 979 } 980 printf("\b \n"); 981 close(f); 982 free(data); 983 984 /* write out dscr (e)fe */ 985 udf_set_link_cnt(dscr, fnode->nlink); 986 udf_write_dscr_virt(dscr, udf_rw32(icb->loc.lb_num), 987 udf_rw16(icb->loc.part_num), 1); 988 free(dscr); 989 990 /* remember our location for hardlinks */ 991 cur->inode->fsuse = malloc(sizeof(struct long_ad)); 992 memcpy(cur->inode->fsuse, icb, sizeof(struct long_ad)); 993 994 return error; 995 } 996 997 998 static int 999 udf_populate_walk(fsinfo_t *fsopts, fsnode *root, char *dir, 1000 struct long_ad *parent_icb, struct long_ad *dir_icb) 1001 { 1002 union dscrptr *dir_dscr, *dscr; 1003 struct fileid_desc *fid; 1004 struct long_ad icb, data_icb, dirdata_icb; 1005 fsnode *cur; 1006 fsinode *fnode; 1007 size_t pathlen = strlen(dir); 1008 size_t dirlen; 1009 char *mydir = dir + pathlen; 1010 uint32_t nblk, ddoff; 1011 uint32_t softlink_len; 1012 uint8_t *softlink_buf; 1013 uint8_t *dirdata; 1014 int error, ret, retval; 1015 1016 /* claim disc space for the (e)fe descriptor for this dir */ 1017 udf_metadata_alloc(1, dir_icb); 1018 1019 /* create new e(fe) */ 1020 udf_create_new_file(&root->inode->st, &dir_dscr, 1021 UDF_ICB_FILETYPE_DIRECTORY, dir_icb); 1022 1023 /* claim space for the directory contents */ 1024 dirlen = root->inode->st.st_size; 1025 nblk = udf_datablocks(dirlen); 1026 if (nblk > 0) { 1027 /* claim disc space for the dir contents */ 1028 udf_data_alloc(nblk, &dirdata_icb); 1029 } 1030 1031 /* allocate memory for the directory contents */ 1032 nblk++; 1033 dirdata = malloc(nblk * context.sector_size); 1034 assert(dirdata); 1035 memset(dirdata, 0, nblk * context.sector_size); 1036 1037 /* create and append '..' */ 1038 fid = (struct fileid_desc *) dirdata; 1039 ddoff = udf_create_parentfid(fid, parent_icb); 1040 1041 /* for '..' */ 1042 udf_inc_link(dir_dscr); 1043 1044 /* recurse */ 1045 retval = 0; 1046 for (cur = root; cur != NULL; cur = cur->next) { 1047 mydir[0] = '/'; 1048 strncpy(&mydir[1], cur->name, MAXPATHLEN - pathlen); 1049 1050 fid = (struct fileid_desc *) (dirdata + ddoff); 1051 switch (cur->type & S_IFMT) { 1052 default: 1053 /* what kind of nodes? */ 1054 retval = 2; 1055 break; 1056 case S_IFCHR: 1057 case S_IFBLK: 1058 /* not supported */ 1059 retval = 2; 1060 warnx("device node %s not supported", dir); 1061 break; 1062 case S_IFDIR: 1063 /* not an empty dir? */ 1064 if (strcmp(cur->name, ".") == 0) 1065 break; 1066 assert(cur->child); 1067 if (cur->child) { 1068 ret = udf_populate_walk(fsopts, cur->child, 1069 dir, dir_icb, &icb); 1070 if (ret) 1071 retval = 2; 1072 } 1073 udf_create_fid(ddoff, fid, cur->name, 1074 UDF_FILE_CHAR_DIR, &icb); 1075 udf_inc_link(dir_dscr); 1076 ddoff += udf_fidsize(fid); 1077 break; 1078 case S_IFREG: 1079 fnode = cur->inode; 1080 /* don't re-copy hard-links */ 1081 if (!(fnode->flags & FI_WRITTEN)) { 1082 printf("%s", dir); 1083 error = udf_copy_file(&fnode->st, dir, cur, 1084 fid, &icb); 1085 if (!error) { 1086 fnode->flags |= FI_WRITTEN; 1087 udf_create_fid(ddoff, fid, cur->name, 1088 0, &icb); 1089 ddoff += udf_fidsize(fid); 1090 } else { 1091 retval = 2; 1092 } 1093 } else { 1094 /* hardlink! */ 1095 printf("%s (hardlink)\n", dir); 1096 udf_create_fid(ddoff, fid, cur->name, 1097 0, (struct long_ad *) (fnode->fsuse)); 1098 ddoff += udf_fidsize(fid); 1099 } 1100 fnode->nlink--; 1101 if (fnode->nlink == 0) 1102 free(fnode->fsuse); 1103 break; 1104 case S_IFLNK: 1105 /* softlink */ 1106 fnode = cur->inode; 1107 printf("%s -> %s\n", dir, cur->symlink); 1108 error = udf_encode_symlink(&softlink_buf, 1109 &softlink_len, cur->symlink); 1110 if (error) { 1111 printf("SOFTLINK error %d\n", error); 1112 retval = 2; 1113 break; 1114 } 1115 1116 udf_metadata_alloc(1, &icb); 1117 udf_create_new_file(&fnode->st, &dscr, 1118 UDF_ICB_FILETYPE_SYMLINK, &icb); 1119 1120 nblk = udf_datablocks(softlink_len); 1121 if (nblk > 0) 1122 udf_data_alloc(nblk, &data_icb); 1123 udf_append_file_contents(dscr, &data_icb, 1124 softlink_buf, softlink_len); 1125 1126 /* write out dscr (e)fe */ 1127 udf_inc_link(dscr); 1128 udf_write_dscr_virt(dscr, udf_rw32(icb.loc.lb_num), 1129 udf_rw16(icb.loc.part_num), 1); 1130 1131 free(dscr); 1132 free(softlink_buf); 1133 1134 udf_create_fid(ddoff, fid, cur->name, 0, &icb); 1135 ddoff += udf_fidsize(fid); 1136 break; 1137 } 1138 mydir[0] = '\0'; 1139 } 1140 1141 /* writeout directory contents */ 1142 dirlen = ddoff; /* XXX might bite back */ 1143 1144 udf_prepare_fids(dir_icb, &dirdata_icb, dirdata, dirlen); 1145 udf_append_file_contents(dir_dscr, &dirdata_icb, dirdata, dirlen); 1146 1147 /* write out dir_dscr (e)fe */ 1148 udf_write_dscr_virt(dir_dscr, udf_rw32(dir_icb->loc.lb_num), 1149 udf_rw16(dir_icb->loc.part_num), 1); 1150 1151 free(dirdata); 1152 free(dir_dscr); 1153 return retval; 1154 } 1155 1156 1157 static int 1158 udf_populate(const char *dir, fsnode *root, fsinfo_t *fsopts, 1159 struct udf_stats *stats) 1160 { 1161 struct long_ad rooticb; 1162 static char path[MAXPATHLEN+1]; 1163 int error; 1164 1165 /* make sure the root gets the rootdir entry */ 1166 context.metadata_alloc_pos = layout.rootdir; 1167 context.data_alloc_pos = layout.rootdir; 1168 1169 strncpy(path, dir, sizeof(path)); 1170 error = udf_populate_walk(fsopts, root, path, &rooticb, &rooticb); 1171 1172 return error; 1173 } 1174 1175 1176 static void 1177 udf_enumerate_and_estimate(const char *dir, fsnode *root, fsinfo_t *fsopts, 1178 struct udf_stats *stats) 1179 { 1180 char path[MAXPATHLEN + 1]; 1181 off_t proposed_size; 1182 uint32_t n, nblk; 1183 1184 strncpy(path, dir, sizeof(path)); 1185 1186 /* calculate strict minimal size */ 1187 udf_estimate_walk(fsopts, root, path, stats); 1188 printf("ndirs %d\n", stats->ndirs); 1189 printf("nfiles %d\n", stats->nfiles); 1190 printf("ndata_blocks %d\n", stats->ndatablocks); 1191 printf("nmetadata_blocks %d\n", stats->nmetadatablocks); 1192 printf("\n"); 1193 1194 /* adjust for options : free file nodes */ 1195 if (fsopts->freefiles) { 1196 /* be mercifull and reserve more for the FID */ 1197 stats->nmetadatablocks += fsopts->freefiles * 1.5; 1198 } else if ((n = fsopts->freefilepc)) { 1199 stats->nmetadatablocks += (stats->nmetadatablocks*n) / (100-n); 1200 } 1201 1202 /* adjust for options : free data blocks */ 1203 if (fsopts->freeblocks) { 1204 stats->ndatablocks += fsopts->freeblocks; 1205 } else if ((n = fsopts->freeblockpc)) { 1206 stats->ndatablocks += (stats->ndatablocks * n) / (100-n); 1207 } 1208 1209 /* rough predictor of minimum disc size */ 1210 nblk = stats->ndatablocks + stats->nmetadatablocks; 1211 nblk = (double) nblk * (1.0 + 1.0/8.0); /* free space map */ 1212 nblk += 256; /* pre-volume space */ 1213 nblk += 256; /* post-volume space */ 1214 nblk += 64; /* safeguard */ 1215 1216 /* try to honour minimum size */ 1217 n = fsopts->minsize / fsopts->sectorsize; 1218 if (nblk < n) { 1219 stats->ndatablocks += (n - nblk); 1220 nblk += n - nblk; 1221 } 1222 proposed_size = (off_t) nblk * fsopts->sectorsize; 1223 /* sanity size */ 1224 if (proposed_size < 512*1024) 1225 proposed_size = 512*1024; 1226 1227 if (fsopts->size) { 1228 if (fsopts->size < proposed_size) 1229 err(EINVAL, "makefs_udf: won't fit on disc!"); 1230 } else { 1231 fsopts->size = proposed_size; 1232 } 1233 1234 fsopts->inodes = stats->nfiles + stats->ndirs; 1235 } 1236 1237 1238 void 1239 udf_makefs(const char *image, const char *dir, fsnode *root, fsinfo_t *fsopts) 1240 { 1241 struct udf_stats stats; 1242 uint64_t truncate_len; 1243 int error; 1244 1245 /* determine format */ 1246 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile); 1247 printf("req_enable %d, req_disable %d\n", req_enable, req_disable); 1248 1249 context.sector_size = fsopts->sectorsize; 1250 error = udf_derive_format(req_enable, req_disable, false); 1251 if (error) 1252 err(EINVAL, "makefs_udf: can't determine format"); 1253 1254 /* names */ 1255 error = udf_proces_names(); 1256 if (error) 1257 err(EINVAL, "makefs_udf: bad names given"); 1258 1259 /* set return value to 1 indicating error */ 1260 error = 1; 1261 1262 /* estimate the amount of space needed */ 1263 memset(&stats, 0, sizeof(stats)); 1264 udf_enumerate_and_estimate(dir, root, fsopts, &stats); 1265 1266 printf("Calculated size of `%s': %lld bytes, %ld inodes\n", 1267 image, (long long)fsopts->size, (long)fsopts->inodes); 1268 1269 /* create file image */ 1270 if ((fd = open(image, O_RDWR | O_CREAT | O_TRUNC, 0666)) == -1) { 1271 err(EXIT_FAILURE, "%s", image); 1272 } 1273 if (lseek(fd, fsopts->size - 1, SEEK_SET) == -1) { 1274 goto err_exit; 1275 } 1276 if (write(fd, &fd, 1) != 1) { 1277 goto err_exit; 1278 } 1279 if (lseek(fd, 0, SEEK_SET) == -1) { 1280 goto err_exit; 1281 } 1282 fsopts->fd = fd; 1283 1284 /* calculate metadata percentage */ 1285 meta_fract = fsopts->size / (stats.nmetadatablocks*fsopts->sectorsize); 1286 meta_fract = ((int) ((meta_fract + 0.005)*100.0)) / 100; 1287 1288 /* update mmc info but now with correct size */ 1289 udf_emulate_discinfo(fsopts, &mmc_discinfo, mmc_profile); 1290 1291 udf_do_newfs_prefix(); 1292 1293 /* update context */ 1294 context.unique_id = 0; 1295 1296 /* XXX are the next two needed? or should be re-count them? */ 1297 context.num_files = stats.nfiles; 1298 context.num_directories = stats.ndirs; 1299 1300 error = udf_populate(dir, root, fsopts, &stats); 1301 1302 udf_do_newfs_postfix(); 1303 1304 if (format_flags & FORMAT_VAT) { 1305 truncate_len = context.vtop_offset[context.data_part] + 1306 context.data_alloc_pos; 1307 truncate_len *= context.sector_size; 1308 1309 printf("\nTruncing the disc-image to allow for VAT\n"); 1310 printf("Free space left on this volume approx. " 1311 "%"PRIu64" KiB, %"PRIu64" MiB\n", 1312 (fsopts->size - truncate_len)/1024, 1313 (fsopts->size - truncate_len)/1024/1024); 1314 ftruncate(fd, truncate_len); 1315 } 1316 1317 if (error) { 1318 error = 2; /* some files couldn't be added */ 1319 goto err_exit; 1320 } 1321 1322 close(fd); 1323 return; 1324 1325 err_exit: 1326 close(fd); 1327 if (error == 2) { 1328 errx(error, "Not all files could be added"); 1329 } else { 1330 errx(error, "creation of %s failed", image); 1331 } 1332 } 1333 1334