dumpfs.c revision 1.63.24.1
1 /* $NetBSD: dumpfs.c,v 1.63.24.1 2018/03/15 09:12:08 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1992, 1993 5 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __COPYRIGHT("@(#) Copyright (c) 1983, 1992, 1993\ 35 The Regents of the University of California. All rights reserved."); 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95"; 41 #else 42 __RCSID("$NetBSD: dumpfs.c,v 1.63.24.1 2018/03/15 09:12:08 pgoyette Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/time.h> 48 49 #include <sys/wapbl.h> 50 #include <sys/wapbl_replay.h> 51 52 #include <ufs/ufs/dinode.h> 53 #include <ufs/ufs/ufs_bswap.h> 54 #include <ufs/ufs/ufs_wapbl.h> 55 #include <ufs/ufs/quota.h> 56 #include <ufs/ffs/fs.h> 57 #include <ufs/ffs/ffs_extern.h> 58 59 #include <err.h> 60 #include <errno.h> 61 #include <fcntl.h> 62 #include <fstab.h> 63 #include <stdio.h> 64 #include <stdlib.h> 65 #include <string.h> 66 #include <stddef.h> 67 #include <unistd.h> 68 #include <util.h> 69 70 static union fsun { 71 struct fs fs; 72 char pad[MAXBSIZE]; 73 } fsun; 74 #define afs fsun.fs 75 76 static uint16_t opostblsave[32*8]; 77 78 static union { 79 struct cg cg; 80 char pad[MAXBSIZE]; 81 } cgun; 82 #define acg cgun.cg 83 84 static union { 85 struct wapbl_wc_header wh; 86 struct wapbl_wc_null wn; 87 char pad[MAXBSIZE]; 88 } jbuf; 89 #define awh jbuf.wh 90 #define awn jbuf.wn 91 92 #define OPT_FLAG(ch) (1 << ((ch) & 31)) 93 #define ISOPT(opt) (opt_flags & (opt)) 94 #define opt_alt_super OPT_FLAG('a') 95 #define opt_superblock OPT_FLAG('s') 96 #define opt_cg_summary OPT_FLAG('m') 97 #define opt_cg_info OPT_FLAG('c') 98 #define opt_inodes OPT_FLAG('i') 99 #define opt_journal OPT_FLAG('j') 100 #define opt_verbose OPT_FLAG('v') 101 #define DFLT_CHECK (opt_alt_super | opt_cg_info | opt_inodes | \ 102 opt_cg_summary | opt_superblock | opt_journal ) 103 #define DFLT_OPTS (opt_superblock | opt_cg_summary | opt_cg_info | opt_verbose) 104 105 static long dev_bsize = 512; 106 static int needswap, printold, is_ufs2; 107 static int Fflag; 108 109 static uint opt_flags; 110 111 static int dumpfs(const char *); 112 static int print_superblock(struct fs *, uint16_t *, const char *, int, off_t); 113 static int print_cgsum(const char *, int); 114 static int print_cginfo(const char *, int); 115 static int print_inodes(const char *, int, int, int); 116 static int print_alt_super(const char *, int); 117 static int print_journal(const char *, int); 118 static void print_journal_header(const char *); 119 static off_t print_journal_entries(const char *, size_t); 120 static int dumpcg(const char *, int, int); 121 static int openpartition(const char *, int, char *, size_t); 122 static void pbits(int, void *, int); 123 __dead static void usage(void); 124 static void print_ufs1_inode(int, int, void *); 125 static void print_ufs2_inode(int, int, void *); 126 static void fix_superblock(struct fs *, uint16_t *); 127 128 int 129 main(int argc, char *argv[]) 130 { 131 int ch, eval; 132 133 while ((ch = getopt(argc, argv, "acijmsvF")) != -1) 134 switch(ch) { 135 case 'a': /* alternate superblocks */ 136 case 'c': /* cylinder group info */ 137 case 'i': /* actual inodes */ 138 case 'j': /* journal */ 139 case 'm': /* cylinder group summary */ 140 case 's': /* superblock */ 141 case 'v': /* more verbose */ 142 opt_flags |= OPT_FLAG(ch); 143 break; 144 case 'F': /* File (not device) */ 145 Fflag = 1; 146 break; 147 case '?': 148 default: 149 usage(); 150 } 151 argc -= optind; 152 argv += optind; 153 154 if ((opt_flags & DFLT_CHECK) == 0) 155 opt_flags |= DFLT_OPTS; 156 157 if (argc < 1) 158 usage(); 159 160 for (eval = 0; *argv; ++argv) { 161 eval |= dumpfs(*argv); 162 } 163 164 exit(eval); 165 } 166 167 168 static int 169 dumpfs(const char *name) 170 { 171 static const off_t sblock_try[] = SBLOCKSEARCH; 172 char device[MAXPATHLEN]; 173 int fd, i; 174 int rval = 1; 175 176 if (Fflag) 177 fd = open(name, O_RDONLY); 178 else { 179 fd = openpartition(name, O_RDONLY, device, sizeof(device)); 180 name = device; 181 } 182 if (fd == -1) 183 goto err; 184 185 for (i = 0; ; i++) { 186 if (sblock_try[i] == -1) { 187 warnx("%s: could not find superblock, skipped", name); 188 return 1; 189 } 190 if (lseek(fd, sblock_try[i], SEEK_SET) == (off_t)-1) 191 continue; 192 if (read(fd, &afs, SBLOCKSIZE) != SBLOCKSIZE) 193 continue; 194 switch(afs.fs_magic) { 195 case FS_UFS2_MAGIC: 196 is_ufs2 = 1; 197 break; 198 case FS_UFS1_MAGIC: 199 break; 200 case FS_UFS2_MAGIC_SWAPPED: 201 is_ufs2 = 1; 202 needswap = 1; 203 break; 204 case FS_UFS1_MAGIC_SWAPPED: 205 needswap = 1; 206 break; 207 default: 208 continue; 209 } 210 fix_superblock(&afs, opostblsave); 211 if (printold) { 212 if (sblock_try[i] == SBLOCK_UFS2) 213 /* This might be an alternate superblock */ 214 continue; 215 } else { 216 if (sblock_try[i] != afs.fs_sblockloc) 217 /* This must be an alternate superblock */ 218 continue; 219 } 220 break; 221 } 222 223 224 dev_bsize = afs.fs_fsize / FFS_FSBTODB(&afs, 1); 225 226 rval = 0; 227 printf("file system: %s\n", name); 228 229 if (ISOPT(opt_superblock)) 230 rval = print_superblock(&afs, opostblsave, name, fd, sblock_try[i]); 231 if (rval == 0 && ISOPT(opt_cg_summary)) 232 rval = print_cgsum(name, fd); 233 if (rval == 0 && ISOPT(opt_alt_super)) 234 rval = print_alt_super(name, fd); 235 if (rval == 0 && ISOPT(opt_journal)) 236 rval = print_journal(name, fd); 237 if (rval == 0 && ISOPT(opt_cg_info)) 238 rval = print_cginfo(name, fd); 239 else if (rval == 0 && ISOPT(opt_inodes)) 240 rval = print_inodes(name, fd, 0, afs.fs_ncg); 241 242 err: 243 if (fd != -1) 244 (void)close(fd); 245 if (rval) 246 warn("%s", name); 247 return rval; 248 } 249 250 static void 251 fix_superblock(struct fs *fs, uint16_t *opostbl) 252 { 253 if (needswap && 254 (((int32_t)bswap32(fs->fs_old_postblformat) == FS_42POSTBLFMT) || 255 (bswap32(fs->fs_old_postbloff) == offsetof(struct fs, fs_old_postbl_start)))) { 256 int i; 257 memcpy(opostbl, &fs->fs_old_postbl_start, 512); 258 for(i=0;i<256;i++) 259 opostbl[i] = bswap16(opostbl[i]); 260 } else if (!needswap && 261 ((fs->fs_old_postblformat == FS_42POSTBLFMT) || 262 (fs->fs_old_postbloff == offsetof(struct fs, fs_old_postbl_start)))) { 263 memcpy(opostbl, &fs->fs_old_postbl_start, 512); 264 } 265 266 if (needswap) 267 ffs_sb_swap(fs, fs); 268 269 printold = (fs->fs_magic == FS_UFS1_MAGIC && 270 (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0); 271 if (printold) { 272 fs->fs_sblockloc = SBLOCK_UFS1; 273 fs->fs_flags = fs->fs_old_flags; 274 fs->fs_maxbsize = fs->fs_bsize; 275 fs->fs_time = fs->fs_old_time; 276 fs->fs_size = fs->fs_old_size; 277 fs->fs_dsize = fs->fs_old_dsize; 278 fs->fs_csaddr = fs->fs_old_csaddr; 279 fs->fs_cstotal.cs_ndir = fs->fs_old_cstotal.cs_ndir; 280 fs->fs_cstotal.cs_nbfree = fs->fs_old_cstotal.cs_nbfree; 281 fs->fs_cstotal.cs_nifree = fs->fs_old_cstotal.cs_nifree; 282 fs->fs_cstotal.cs_nffree = fs->fs_old_cstotal.cs_nffree; 283 } 284 285 if (printold && fs->fs_old_postblformat == FS_42POSTBLFMT) 286 fs->fs_old_nrpos = 8; 287 } 288 289 static int 290 print_superblock(struct fs *fs, uint16_t *opostbl, 291 const char *name, int fd, off_t sblock) 292 { 293 int i, size; 294 time_t t; 295 int32_t fsflags; 296 297 printf("format\tFFSv%d\n", is_ufs2+1); 298 #if BYTE_ORDER == LITTLE_ENDIAN 299 if (needswap) 300 #else 301 if (!needswap) 302 #endif 303 printf("endian\tbig-endian\n"); 304 else 305 printf("endian\tlittle-endian\n"); 306 t = fs->fs_time; 307 if ((sblock != SBLOCK_UFS1) || ISOPT(opt_alt_super)) 308 printf("location %lld\t(-b %lld)\n", 309 (long long)sblock, (long long)(sblock/dev_bsize)); 310 printf("magic\t%-8x\ttime\t%s", 311 fs->fs_magic, ctime(&t)); 312 313 if (is_ufs2) 314 i = 5; 315 else { 316 i = 0; 317 if (fs->fs_old_postblformat != FS_42POSTBLFMT) { 318 i++; 319 if (fs->fs_old_inodefmt >= FS_44INODEFMT) { 320 int max; 321 322 i++; 323 max = fs->fs_maxcontig; 324 size = fs->fs_contigsumsize; 325 if ((max < 2 && size == 0) 326 || (max > 1 && size >= MIN(max, FS_MAXCONTIG))) 327 i++; 328 } 329 if (fs->fs_old_flags & FS_FLAGS_UPDATED) { 330 i = 4; 331 } 332 } 333 } 334 if (!printold || fs->fs_sblockloc != SBLOCK_UFS1 || 335 fs->fs_id[0] || fs->fs_id[1]) 336 printf("superblock location\t%jd\tid\t[ %x %x ]\n", 337 (intmax_t)fs->fs_sblockloc, fs->fs_id[0], fs->fs_id[1]); 338 printf("cylgrp\t%s\tinodes\t%s\tsblock\t%s\tfslevel %d\n", 339 i < 1 ? "static" : "dynamic", 340 i < 2 ? "4.2/4.3BSD" : i < 5 ? "4.4BSD" : "FFSv2", 341 i < 4 ? "FFSv1" : "FFSv2", i); 342 printf("nbfree\t%lld\tndir\t%lld\tnifree\t%lld\tnffree\t%lld\n", 343 (long long)fs->fs_cstotal.cs_nbfree, 344 (long long)fs->fs_cstotal.cs_ndir, 345 (long long)fs->fs_cstotal.cs_nifree, 346 (long long)fs->fs_cstotal.cs_nffree); 347 if (printold) 348 printf("ncg\t%d\tncyl\t%d\tsize\t%lld\tblocks\t%lld\n", 349 fs->fs_ncg, fs->fs_old_ncyl, (long long)fs->fs_size, (long long)fs->fs_dsize); 350 else 351 printf("ncg\t%d\tsize\t%lld\tblocks\t%lld\n", 352 fs->fs_ncg, (long long)fs->fs_size, (long long)fs->fs_dsize); 353 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 354 fs->fs_bsize, fs->fs_bshift, fs->fs_bmask); 355 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 356 fs->fs_fsize, fs->fs_fshift, fs->fs_fmask); 357 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 358 fs->fs_frag, fs->fs_fragshift, fs->fs_fsbtodb); 359 if (printold) 360 printf("cpg\t%d\t", fs->fs_old_cpg); 361 printf("bpg\t%d\tfpg\t%d\tipg\t%d\n", 362 fs->fs_fpg / fs->fs_frag, fs->fs_fpg, fs->fs_ipg); 363 printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n", 364 fs->fs_minfree, fs->fs_optim == FS_OPTSPACE ? "space" : "time", 365 fs->fs_maxcontig, fs->fs_maxbpg); 366 if (printold) { 367 printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n", 368 fs->fs_old_rotdelay, fs->fs_old_headswitch, 369 fs->fs_old_trkseek, fs->fs_old_rps); 370 printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n", 371 fs->fs_spare2, fs->fs_old_nsect, fs->fs_old_npsect, 372 fs->fs_old_spc); 373 } 374 printf("symlinklen %d\t", fs->fs_maxsymlinklen); 375 if (printold) 376 printf("trackskew %d\tinterleave %d\t", 377 fs->fs_old_trackskew, fs->fs_old_interleave); 378 printf("contigsumsize %d\n", fs->fs_contigsumsize); 379 printf("maxfilesize 0x%016llx\n", 380 (unsigned long long)fs->fs_maxfilesize); 381 if (printold) 382 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", fs->fs_nindir, 383 fs->fs_inopb, fs->fs_old_nspf); 384 else 385 printf("nindir\t%d\tinopb\t%d\n", fs->fs_nindir, fs->fs_inopb); 386 if (!printold || (fs->fs_avgfilesize > 0) || (fs->fs_avgfpdir > 0)) 387 printf("avgfilesize %d\tavgfpdir %d\n", 388 fs->fs_avgfilesize, fs->fs_avgfpdir); 389 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 390 fs->fs_sblkno, fs->fs_cblkno, fs->fs_iblkno, fs->fs_dblkno); 391 printf("sbsize\t%d\tcgsize\t%d", fs->fs_sbsize, fs->fs_cgsize); 392 if (printold) 393 printf("\toffset\t%d\tmask\t0x%08x", 394 fs->fs_old_cgoffset, fs->fs_old_cgmask); 395 printf("\ncsaddr\t%lld\tcssize\t%d", 396 (long long)fs->fs_csaddr, fs->fs_cssize); 397 if (printold) 398 printf("\tshift\t%d\tmask\t0x%08x", 399 fs->fs_old_csshift, fs->fs_old_csmask); 400 printf("\ncgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t0x%02x\n", 401 fs->fs_cgrotor, fs->fs_fmod, fs->fs_ronly, fs->fs_clean); 402 printf("wapbl version 0x%x\tlocation %u\tflags 0x%x\n", 403 fs->fs_journal_version, fs->fs_journal_location, 404 fs->fs_journal_flags); 405 printf("wapbl loc0 %" PRIu64 "\tloc1 %" PRIu64, 406 fs->fs_journallocs[0], fs->fs_journallocs[1]); 407 printf("\tloc2 %" PRIu64 "\tloc3 %" PRIu64 "\n", 408 fs->fs_journallocs[2], fs->fs_journallocs[3]); 409 printf("usrquota %" PRIu64 "\tgrpquota %" PRIu64 "\n", 410 fs->fs_quotafile[USRQUOTA], fs->fs_quotafile[GRPQUOTA]); 411 printf("flags\t"); 412 if (fs->fs_flags == 0) 413 printf("none"); 414 if (fs->fs_flags & FS_UNCLEAN) 415 printf("unclean "); 416 if (fs->fs_flags & FS_DOSOFTDEP) 417 printf("soft-updates "); 418 if (fs->fs_flags & FS_NEEDSFSCK) 419 printf("needs fsck run "); 420 if (fs->fs_flags & FS_SUJ) 421 printf("journaled soft-updates "); 422 if (fs->fs_flags & FS_ACLS) 423 printf("acls "); 424 if (fs->fs_flags & FS_MULTILABEL) 425 printf("multilabel "); 426 if (fs->fs_flags & FS_GJOURNAL) 427 printf("gjournal "); 428 if (fs->fs_flags & FS_FLAGS_UPDATED) 429 printf("fs_flags expanded "); 430 if (fs->fs_flags & FS_DOWAPBL) 431 printf("wapbl "); 432 if (fs->fs_flags & FS_DOQUOTA2) 433 printf("quotas "); 434 if (fs->fs_flags & FS_TRIM) 435 printf("trim "); 436 fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | 437 FS_SUJ | FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | 438 FS_FLAGS_UPDATED | FS_DOWAPBL | FS_DOQUOTA2 | FS_TRIM); 439 #ifdef FS_INDEXDIRS 440 if (fs->fs_flags & FS_INDEXDIRS) 441 printf("indexed directories "); 442 fsflags &= ~FS_INDEXDIRS 443 #endif 444 if (fsflags != 0) 445 printf("unknown flags (%#x)", fsflags); 446 printf("\nfsmnt\t%s\n", fs->fs_fsmnt); 447 if (!printold) 448 printf("volname\t%s\tswuid\t%ju\n", 449 fs->fs_volname, (uintmax_t)fs->fs_swuid); 450 if (printold) { 451 if (fs->fs_old_cpc != 0) 452 printf("blocks available in each of %d rotational " 453 "positions\n", fs->fs_old_nrpos); 454 else 455 printf("(no rotational position table)\n\n"); 456 if (ISOPT(opt_verbose)) { 457 int c, j, k; 458 for (c = 0; c < fs->fs_old_cpc; c++) { 459 printf("cylinder number %d:", c); 460 for (i = 0; i < fs->fs_old_nrpos; i++) { 461 if (old_fs_postbl(&afs, c, opostbl)[i] == -1) 462 continue; 463 printf("\n position %d:\t", i); 464 for (j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; ; 465 j += old_fs_rotbl(&afs)[j], k++) { 466 printf("%5d", j); 467 if (k % 12 == 0) 468 printf("\n\t\t"); 469 if (old_fs_rotbl(&afs)[j] == 0) 470 break; 471 } 472 } 473 printf("\n"); 474 } 475 } 476 } 477 478 return 0; 479 } 480 481 static int 482 print_cgsum(const char *name, int fd) 483 { 484 struct csum *ccsp; 485 int i, j, size; 486 487 afs.fs_csp = calloc(1, afs.fs_cssize); 488 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { 489 size = afs.fs_cssize - i < afs.fs_bsize ? 490 afs.fs_cssize - i : afs.fs_bsize; 491 ccsp = (struct csum *)((char *)afs.fs_csp + i); 492 if (lseek(fd, 493 (off_t)(FFS_FSBTODB(&afs, (afs.fs_csaddr + j * afs.fs_frag))) * 494 dev_bsize, SEEK_SET) == (off_t)-1) 495 return 1; 496 if (read(fd, ccsp, size) != size) 497 return 1; 498 if (needswap) 499 ffs_csum_swap(ccsp, ccsp, size); 500 } 501 502 printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 503 for (i = 0; i < afs.fs_ncg; i++) { 504 struct csum *cs = &afs.fs_cs(&afs, i); 505 if (i && i % 4 == 0) 506 printf("\n\t"); 507 printf("(%d,%d,%d,%d) ", 508 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 509 } 510 printf("\n"); 511 if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) { 512 printf("cylinders in last group %d\n", 513 i = afs.fs_old_ncyl % afs.fs_old_cpg); 514 printf("blocks in last group %d\n", 515 i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift)); 516 } 517 free(afs.fs_csp); 518 afs.fs_csp = NULL; 519 520 return 0; 521 } 522 523 static int 524 print_alt_super(const char *name, int fd) 525 { 526 union fsun alt; 527 int i; 528 off_t loc; 529 uint16_t alt_opostblsave[32*8]; 530 int save_printold; 531 532 for (i = 0; i < afs.fs_ncg; i++) { 533 loc = (off_t)(FFS_FSBTODB(&afs, cgsblock(&afs, i))) * dev_bsize; 534 printf("\nalternate %d\n", i); 535 if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) { 536 warnx("%s: error reading alt %d", name, i); 537 return (1); 538 } 539 save_printold = printold; 540 fix_superblock(&alt.fs, alt_opostblsave); 541 if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) { 542 printold = save_printold; 543 return 1; 544 } 545 printold = save_printold; 546 } 547 return 0; 548 } 549 550 static int 551 print_cginfo(const char *name, int fd) 552 { 553 int i; 554 555 printf("\n"); 556 for (i = 0; i < afs.fs_ncg; i++) { 557 printf("\n"); 558 if (dumpcg(name, fd, i)) 559 return 1; 560 if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1)) 561 return 1; 562 } 563 return 0; 564 } 565 566 static int 567 print_inodes(const char *name, int fd, int c, int n) 568 { 569 void *ino_buf = malloc(afs.fs_bsize); 570 void (*print_inode)(int, int, void *); 571 int i, inum; 572 573 if (ino_buf == 0) 574 return 1; 575 576 print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode; 577 578 for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) { 579 if (pread(fd, ino_buf, afs.fs_bsize, 580 ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) { 581 free(ino_buf); 582 return 1; 583 } 584 for (i = 0; i < afs.fs_inopb; i++) 585 print_inode(inum + i, i, ino_buf); 586 } 587 588 free(ino_buf); 589 return 0; 590 } 591 592 static int 593 dumpcg(const char *name, int fd, int c) 594 { 595 off_t cur; 596 int i, j; 597 time_t t; 598 599 printf("cg %d:\n", c); 600 if ((cur = lseek(fd, (off_t)(FFS_FSBTODB(&afs, cgtod(&afs, c))) * dev_bsize, 601 SEEK_SET)) == (off_t)-1) 602 return (1); 603 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) { 604 warnx("%s: error reading cg", name); 605 return (1); 606 } 607 if (needswap) 608 ffs_cg_swap(&acg, &acg, &afs); 609 if (printold) 610 t = acg.cg_old_time; 611 else 612 t = acg.cg_time; 613 printf("magic\t%x\ttell\t%llx\ttime\t%s", 614 afs.fs_old_postblformat == FS_42POSTBLFMT ? 615 ((struct ocg *)&acg)->cg_magic : acg.cg_magic, 616 (long long)cur, ctime(&t)); 617 if (printold) 618 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 619 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 620 acg.cg_ndblk); 621 else 622 printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n", 623 acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk); 624 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 625 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 626 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 627 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 628 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 629 for (i = 1, j = 0; i < afs.fs_frag; i++) { 630 printf("\t%d", acg.cg_frsum[i]); 631 j += i * acg.cg_frsum[i]; 632 } 633 printf("\nsum of frsum: %d", j); 634 if (afs.fs_contigsumsize > 0) { 635 for (i = 1; i < afs.fs_contigsumsize; i++) { 636 if ((i - 1) % 8 == 0) 637 printf("\nclusters %d-%d:", i, 638 afs.fs_contigsumsize - 1 < i + 7 ? 639 afs.fs_contigsumsize - 1 : i + 7); 640 printf("\t%d", cg_clustersum(&acg, 0)[i]); 641 } 642 printf("\nclusters size %d and over: %d\n", 643 afs.fs_contigsumsize, 644 cg_clustersum(&acg, 0)[afs.fs_contigsumsize]); 645 printf("clusters free:\t"); 646 pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks); 647 } else 648 printf("\n"); 649 printf("iused:\t"); 650 pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg); 651 printf("free:\t"); 652 pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg); 653 if (printold && ISOPT(opt_verbose)) { 654 printf("b:\n"); 655 for (i = 0; i < afs.fs_old_cpg; i++) { 656 if (old_cg_blktot(&acg, 0)[i] == 0) 657 continue; 658 printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]); 659 for (j = 0; j < afs.fs_old_nrpos; j++) { 660 if (afs.fs_old_cpc > 0 && 661 old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1) 662 continue; 663 printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]); 664 } 665 printf("\n"); 666 } 667 } 668 return (0); 669 } 670 671 static void 672 print_ufs1_inode(int inum, int i_off, void *ibuf) 673 { 674 struct ufs1_dinode *i = ibuf; 675 676 i += i_off; 677 678 if (needswap) 679 ffs_dinode1_swap(i,i); 680 681 if (afs.fs_old_inodefmt < FS_44INODEFMT) { 682 i->di_uid = i->di_ouid; 683 i->di_gid = i->di_ogid; 684 } 685 686 if (inum % afs.fs_ipg == 0) 687 printf(" inode: mode nlink size" 688 " ctime.nsec flags blocks" 689 " generation uid gid\n"); 690 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 691 return; 692 printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n", 693 inum, i->di_mode, i->di_nlink, i->di_size, 694 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 695 i->di_gen, i->di_uid, i->di_gid); 696 } 697 698 static void 699 print_ufs2_inode(int inum, int i_off, void *ibuf) 700 { 701 struct ufs2_dinode *i = ibuf; 702 703 i += i_off; 704 705 if (needswap) 706 ffs_dinode2_swap(i,i); 707 708 if (inum % afs.fs_ipg == 0) 709 printf(" inode: mode nlink size" 710 " ctime.nsec flags blocks" 711 " generation uid gid\n"); 712 713 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 714 return; 715 716 printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n", 717 inum, i->di_mode, i->di_nlink, i->di_size, 718 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 719 i->di_gen, i->di_uid, i->di_gid); 720 } 721 722 static void 723 pbits(int offset, void *vp, int max) 724 { 725 int i; 726 char *p; 727 int count, j; 728 729 for (count = i = 0, p = vp; i < max; i++) 730 if (isset(p, i)) { 731 if (count) 732 printf(",%s", count % 6 ? " " : "\n\t"); 733 count++; 734 printf("%d", offset + i); 735 j = i; 736 while ((i+1)<max && isset(p, i+1)) 737 i++; 738 if (i != j) 739 printf("-%d", offset + i); 740 } 741 printf("\n"); 742 } 743 744 static int 745 print_journal(const char *name, int fd) 746 { 747 daddr_t off; 748 size_t count, blklen, bno, skip; 749 off_t boff, head, tail, len; 750 uint32_t generation; 751 752 if (afs.fs_journal_version != UFS_WAPBL_VERSION) 753 return 0; 754 755 generation = 0; 756 head = tail = 0; 757 758 switch (afs.fs_journal_location) { 759 case UFS_WAPBL_JOURNALLOC_END_PARTITION: 760 case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM: 761 762 off = afs.fs_journallocs[0]; 763 count = afs.fs_journallocs[1]; 764 blklen = afs.fs_journallocs[2]; 765 766 for (bno=0; bno<count; bno += skip / blklen) { 767 768 skip = blklen; 769 770 boff = bno * blklen; 771 if (bno * blklen >= 2 * blklen && 772 ((head >= tail && (boff < tail || boff >= head)) || 773 (head < tail && (boff >= head && boff < tail)))) 774 continue; 775 776 printf("journal block %lu offset %lld\n", 777 (unsigned long)bno, (long long) boff); 778 779 if (lseek(fd, (off_t)(off*blklen) + boff, SEEK_SET) 780 == (off_t)-1) 781 return (1); 782 if (read(fd, &jbuf, blklen) != (ssize_t)blklen) { 783 warnx("%s: error reading journal", name); 784 return 1; 785 } 786 787 switch (awh.wc_type) { 788 case 0: 789 break; 790 case WAPBL_WC_HEADER: 791 print_journal_header(name); 792 if (awh.wc_generation > generation) { 793 head = awh.wc_head; 794 tail = awh.wc_tail; 795 } 796 generation = awh.wc_generation; 797 skip = awh.wc_len; 798 break; 799 default: 800 len = print_journal_entries(name, blklen); 801 skip = awh.wc_len; 802 if (len != (off_t)skip) 803 printf(" CORRUPTED RECORD\n"); 804 break; 805 } 806 807 if (blklen == 0) 808 break; 809 810 skip = (skip + blklen - 1) / blklen * blklen; 811 if (skip == 0) 812 break; 813 814 } 815 break; 816 } 817 818 return 0; 819 } 820 821 static const char * 822 wapbl_type_string(unsigned t) 823 { 824 static char buf[12]; 825 826 switch (t) { 827 case WAPBL_WC_BLOCKS: 828 return "blocks"; 829 case WAPBL_WC_REVOCATIONS: 830 return "revocations"; 831 case WAPBL_WC_INODES: 832 return "inodes"; 833 case WAPBL_WC_HEADER: 834 return "header"; 835 } 836 837 snprintf(buf,sizeof(buf),"%08x",t); 838 return buf; 839 } 840 841 static void 842 print_journal_header(const char *name) 843 { 844 printf(" type %s len %d version %u\n", 845 wapbl_type_string(awh.wc_type), awh.wc_len, 846 awh.wc_version); 847 printf(" checksum %08x generation %9u\n", 848 awh.wc_checksum, awh.wc_generation); 849 printf(" fsid %08x.%08x time %llu nsec %u\n", 850 awh.wc_fsid[0], awh.wc_fsid[1], 851 (unsigned long long)awh.wc_time, awh.wc_timensec); 852 printf(" log_bshift %10u fs_bshift %10u\n", 853 awh.wc_log_dev_bshift, awh.wc_fs_dev_bshift); 854 printf(" head %10lld tail %10lld\n", 855 (long long)awh.wc_head, (long long)awh.wc_tail); 856 printf(" circ_off %10lld circ_size %10lld\n", 857 (long long)awh.wc_circ_off, (long long)awh.wc_circ_size); 858 } 859 860 static off_t 861 print_journal_entries(const char *name, size_t blklen) 862 { 863 int i, n; 864 struct wapbl_wc_blocklist *wcb; 865 struct wapbl_wc_inodelist *wci; 866 off_t len = 0; 867 int ph; 868 869 printf(" type %s len %d", 870 wapbl_type_string(awn.wc_type), awn.wc_len); 871 872 switch (awn.wc_type) { 873 case WAPBL_WC_BLOCKS: 874 case WAPBL_WC_REVOCATIONS: 875 wcb = (struct wapbl_wc_blocklist *)&awn; 876 printf(" blkcount %u\n", wcb->wc_blkcount); 877 ph = (blklen - offsetof(struct wapbl_wc_blocklist, wc_blocks)) 878 / sizeof(wcb->wc_blocks[0]); 879 n = MIN(wcb->wc_blkcount, ph); 880 for (i=0; i<n; i++) { 881 if (ISOPT(opt_verbose)) { 882 printf(" %3d: daddr %14llu dlen %d\n", i, 883 (unsigned long long)wcb->wc_blocks[i].wc_daddr, 884 wcb->wc_blocks[i].wc_dlen); 885 } 886 len += wcb->wc_blocks[i].wc_dlen; 887 } 888 if (awn.wc_type == WAPBL_WC_BLOCKS) { 889 if (len % blklen) 890 len += blklen - len % blklen; 891 } else 892 len = 0; 893 break; 894 case WAPBL_WC_INODES: 895 wci = (struct wapbl_wc_inodelist *)&awn; 896 printf(" count %u clear %u\n", 897 wci->wc_inocnt, wci->wc_clear); 898 ph = (blklen - offsetof(struct wapbl_wc_inodelist, wc_inodes)) 899 / sizeof(wci->wc_inodes[0]); 900 n = MIN(wci->wc_inocnt, ph); 901 for (i=0; i<n; ++i) { 902 if (ISOPT(opt_verbose)) { 903 printf(" %3d: inumber %10u imode %08x\n", i, 904 wci->wc_inodes[i].wc_inumber, 905 wci->wc_inodes[i].wc_imode); 906 } 907 } 908 break; 909 default: 910 printf("\n"); 911 break; 912 } 913 914 return len + blklen; 915 } 916 917 static void 918 usage(void) 919 { 920 921 (void)fprintf(stderr, "usage: dumpfs [-acFijmsv] filesys | device [...]\n"); 922 exit(1); 923 } 924 925 static int 926 openpartition(const char *name, int flags, char *device, size_t devicelen) 927 { 928 char rawspec[MAXPATHLEN], xbuf[MAXPATHLEN], *p; 929 struct fstab *fs; 930 int fd, oerrno; 931 932 fs = getfsfile(name); 933 if (fs) { 934 const char *fsspec; 935 fsspec = getfsspecname(xbuf, sizeof(xbuf), fs->fs_spec); 936 if (fsspec == NULL) { 937 warn("%s", xbuf); 938 return -1; 939 } 940 if ((p = strrchr(fsspec, '/')) != NULL) { 941 snprintf(rawspec, sizeof(rawspec), "%.*s/r%s", 942 (int)(p - fsspec), fsspec, p + 1); 943 name = rawspec; 944 } else 945 name = fsspec; 946 } 947 fd = opendisk(name, flags, device, devicelen, 0); 948 if (fd == -1 && errno == ENOENT) { 949 oerrno = errno; 950 strlcpy(device, name, devicelen); 951 errno = oerrno; 952 } 953 return (fd); 954 } 955
Indexes created Wed Oct 15 03:09:54 GMT 2025