1 /* $NetBSD: dumpfs.c,v 1.65 2021/09/18 03:05:20 christos 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 1.65 2021/09/18 03:05:20 christos 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_POSIX1EACLS) 423 printf("posix1e acls "); 424 if (fs->fs_flags & FS_NFS4ACLS) 425 printf("nfs4 acls "); 426 if (fs->fs_flags & FS_MULTILABEL) 427 printf("multilabel "); 428 if (fs->fs_flags & FS_GJOURNAL) 429 printf("gjournal "); 430 if (fs->fs_flags & FS_FLAGS_UPDATED) 431 printf("fs_flags expanded "); 432 if (fs->fs_flags & FS_DOWAPBL) 433 printf("wapbl "); 434 if (fs->fs_flags & FS_DOQUOTA2) 435 printf("quotas "); 436 if (fs->fs_flags & FS_TRIM) 437 printf("trim "); 438 fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | 439 FS_SUJ | FS_POSIX1EACLS | FS_MULTILABEL | FS_GJOURNAL | 440 FS_NFS4ACLS | FS_FLAGS_UPDATED | FS_DOWAPBL | 441 FS_DOQUOTA2 | FS_TRIM); 442 #ifdef FS_INDEXDIRS 443 if (fs->fs_flags & FS_INDEXDIRS) 444 printf("indexed directories "); 445 fsflags &= ~FS_INDEXDIRS 446 #endif 447 if (fsflags != 0) 448 printf("unknown flags (%#x)", fsflags); 449 printf("\nfsmnt\t%s\n", fs->fs_fsmnt); 450 if (!printold) { 451 printf("volname\t%s\tswuid\t%ju\n", 452 fs->fs_volname, (uintmax_t)fs->fs_swuid); 453 return 0; 454 } 455 456 if (fs->fs_old_cpc != 0) 457 printf("blocks available in each of %d rotational " 458 "positions\n", fs->fs_old_nrpos); 459 else 460 printf("(no rotational position table)\n\n"); 461 462 if (!ISOPT(opt_verbose)) { 463 return 0; 464 } 465 466 for (int c = 0; c < fs->fs_old_cpc; c++) { 467 printf("cylinder number %d:", c); 468 for (i = 0; i < fs->fs_old_nrpos; i++) { 469 if (old_fs_postbl(&afs, c, opostbl)[i] == -1) 470 continue; 471 printf("\n position %d:\t", i); 472 for (int j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; 473 ; j += old_fs_rotbl(&afs)[j], k++) { 474 printf("%5d", j); 475 if (k % 12 == 0) 476 printf("\n\t\t"); 477 if (old_fs_rotbl(&afs)[j] == 0) 478 break; 479 } 480 } 481 printf("\n"); 482 } 483 484 return 0; 485 } 486 487 static int 488 print_cgsum(const char *name, int fd) 489 { 490 struct csum *ccsp; 491 int i, j, size; 492 493 afs.fs_csp = calloc(1, afs.fs_cssize); 494 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { 495 size = afs.fs_cssize - i < afs.fs_bsize ? 496 afs.fs_cssize - i : afs.fs_bsize; 497 ccsp = (struct csum *)((char *)afs.fs_csp + i); 498 if (lseek(fd, 499 (off_t)(FFS_FSBTODB(&afs, (afs.fs_csaddr + j * afs.fs_frag))) * 500 dev_bsize, SEEK_SET) == (off_t)-1) 501 return 1; 502 if (read(fd, ccsp, size) != size) 503 return 1; 504 if (needswap) 505 ffs_csum_swap(ccsp, ccsp, size); 506 } 507 508 printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 509 for (i = 0; i < afs.fs_ncg; i++) { 510 struct csum *cs = &afs.fs_cs(&afs, i); 511 if (i && i % 4 == 0) 512 printf("\n\t"); 513 printf("(%d,%d,%d,%d) ", 514 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 515 } 516 printf("\n"); 517 if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) { 518 printf("cylinders in last group %d\n", 519 i = afs.fs_old_ncyl % afs.fs_old_cpg); 520 printf("blocks in last group %d\n", 521 i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift)); 522 } 523 free(afs.fs_csp); 524 afs.fs_csp = NULL; 525 526 return 0; 527 } 528 529 static int 530 print_alt_super(const char *name, int fd) 531 { 532 union fsun alt; 533 int i; 534 off_t loc; 535 uint16_t alt_opostblsave[32*8]; 536 int save_printold; 537 538 for (i = 0; i < afs.fs_ncg; i++) { 539 loc = (off_t)(FFS_FSBTODB(&afs, cgsblock(&afs, i))) * dev_bsize; 540 printf("\nalternate %d\n", i); 541 if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) { 542 warnx("%s: error reading alt %d", name, i); 543 return (1); 544 } 545 save_printold = printold; 546 fix_superblock(&alt.fs, alt_opostblsave); 547 if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) { 548 printold = save_printold; 549 return 1; 550 } 551 printold = save_printold; 552 } 553 return 0; 554 } 555 556 static int 557 print_cginfo(const char *name, int fd) 558 { 559 int i; 560 561 printf("\n"); 562 for (i = 0; i < afs.fs_ncg; i++) { 563 printf("\n"); 564 if (dumpcg(name, fd, i)) 565 return 1; 566 if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1)) 567 return 1; 568 } 569 return 0; 570 } 571 572 static int 573 print_inodes(const char *name, int fd, int c, int n) 574 { 575 void *ino_buf = malloc(afs.fs_bsize); 576 void (*print_inode)(int, int, void *); 577 int i, inum; 578 579 if (ino_buf == 0) 580 return 1; 581 582 print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode; 583 584 for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) { 585 if (pread(fd, ino_buf, afs.fs_bsize, 586 ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) { 587 free(ino_buf); 588 return 1; 589 } 590 for (i = 0; i < afs.fs_inopb; i++) 591 print_inode(inum + i, i, ino_buf); 592 } 593 594 free(ino_buf); 595 return 0; 596 } 597 598 static int 599 dumpcg(const char *name, int fd, int c) 600 { 601 off_t cur; 602 int i, j; 603 time_t t; 604 605 printf("cg %d:\n", c); 606 if ((cur = lseek(fd, (off_t)(FFS_FSBTODB(&afs, cgtod(&afs, c))) * dev_bsize, 607 SEEK_SET)) == (off_t)-1) 608 return (1); 609 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) { 610 warnx("%s: error reading cg", name); 611 return (1); 612 } 613 if (needswap) 614 ffs_cg_swap(&acg, &acg, &afs); 615 if (printold) 616 t = acg.cg_old_time; 617 else 618 t = acg.cg_time; 619 printf("magic\t%x\ttell\t%llx\ttime\t%s", 620 afs.fs_old_postblformat == FS_42POSTBLFMT ? 621 ((struct ocg *)&acg)->cg_magic : acg.cg_magic, 622 (long long)cur, ctime(&t)); 623 if (printold) 624 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 625 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 626 acg.cg_ndblk); 627 else 628 printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n", 629 acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk); 630 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 631 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 632 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 633 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 634 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 635 for (i = 1, j = 0; i < afs.fs_frag; i++) { 636 printf("\t%d", acg.cg_frsum[i]); 637 j += i * acg.cg_frsum[i]; 638 } 639 printf("\nsum of frsum: %d", j); 640 if (afs.fs_contigsumsize > 0) { 641 for (i = 1; i < afs.fs_contigsumsize; i++) { 642 if ((i - 1) % 8 == 0) 643 printf("\nclusters %d-%d:", i, 644 afs.fs_contigsumsize - 1 < i + 7 ? 645 afs.fs_contigsumsize - 1 : i + 7); 646 printf("\t%d", cg_clustersum(&acg, 0)[i]); 647 } 648 printf("\nclusters size %d and over: %d\n", 649 afs.fs_contigsumsize, 650 cg_clustersum(&acg, 0)[afs.fs_contigsumsize]); 651 printf("clusters free:\t"); 652 pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks); 653 } else 654 printf("\n"); 655 printf("iused:\t"); 656 pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg); 657 printf("free:\t"); 658 pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg); 659 if (printold && ISOPT(opt_verbose)) { 660 printf("b:\n"); 661 for (i = 0; i < afs.fs_old_cpg; i++) { 662 if (old_cg_blktot(&acg, 0)[i] == 0) 663 continue; 664 printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]); 665 for (j = 0; j < afs.fs_old_nrpos; j++) { 666 if (afs.fs_old_cpc > 0 && 667 old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1) 668 continue; 669 printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]); 670 } 671 printf("\n"); 672 } 673 } 674 return (0); 675 } 676 677 static void 678 print_ufs1_inode(int inum, int i_off, void *ibuf) 679 { 680 struct ufs1_dinode *i = ibuf; 681 682 i += i_off; 683 684 if (needswap) 685 ffs_dinode1_swap(i,i); 686 687 if (afs.fs_old_inodefmt < FS_44INODEFMT) { 688 i->di_uid = i->di_ouid; 689 i->di_gid = i->di_ogid; 690 } 691 692 if (inum % afs.fs_ipg == 0) 693 printf(" inode: mode nlink size" 694 " ctime.nsec flags blocks" 695 " generation uid gid\n"); 696 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 697 return; 698 printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n", 699 inum, i->di_mode, i->di_nlink, i->di_size, 700 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 701 i->di_gen, i->di_uid, i->di_gid); 702 } 703 704 static void 705 print_ufs2_inode(int inum, int i_off, void *ibuf) 706 { 707 struct ufs2_dinode *i = ibuf; 708 709 i += i_off; 710 711 if (needswap) 712 ffs_dinode2_swap(i,i); 713 714 if (inum % afs.fs_ipg == 0) 715 printf(" inode: mode nlink size" 716 " ctime.nsec flags blocks" 717 " generation uid gid\n"); 718 719 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 720 return; 721 722 printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n", 723 inum, i->di_mode, i->di_nlink, i->di_size, 724 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 725 i->di_gen, i->di_uid, i->di_gid); 726 } 727 728 static void 729 pbits(int offset, void *vp, int max) 730 { 731 int i; 732 char *p; 733 int count, j; 734 735 for (count = i = 0, p = vp; i < max; i++) 736 if (isset(p, i)) { 737 if (count) 738 printf(",%s", count % 6 ? " " : "\n\t"); 739 count++; 740 printf("%d", offset + i); 741 j = i; 742 while ((i+1)<max && isset(p, i+1)) 743 i++; 744 if (i != j) 745 printf("-%d", offset + i); 746 } 747 printf("\n"); 748 } 749 750 static int 751 print_journal(const char *name, int fd) 752 { 753 daddr_t off; 754 size_t count, blklen, bno, skip; 755 off_t boff, head, tail, len; 756 uint32_t generation; 757 758 if (afs.fs_journal_version != UFS_WAPBL_VERSION) 759 return 0; 760 761 generation = 0; 762 head = tail = 0; 763 764 switch (afs.fs_journal_location) { 765 case UFS_WAPBL_JOURNALLOC_END_PARTITION: 766 case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM: 767 768 off = afs.fs_journallocs[0]; 769 count = afs.fs_journallocs[1]; 770 blklen = afs.fs_journallocs[2]; 771 772 for (bno=0; bno<count; bno += skip / blklen) { 773 774 skip = blklen; 775 776 boff = bno * blklen; 777 if (bno * blklen >= 2 * blklen && 778 ((head >= tail && (boff < tail || boff >= head)) || 779 (head < tail && (boff >= head && boff < tail)))) 780 continue; 781 782 printf("journal block %lu offset %lld\n", 783 (unsigned long)bno, (long long) boff); 784 785 if (lseek(fd, (off_t)(off*blklen) + boff, SEEK_SET) 786 == (off_t)-1) 787 return (1); 788 if (read(fd, &jbuf, blklen) != (ssize_t)blklen) { 789 warnx("%s: error reading journal", name); 790 return 1; 791 } 792 793 switch (awh.wc_type) { 794 case 0: 795 break; 796 case WAPBL_WC_HEADER: 797 print_journal_header(name); 798 if (awh.wc_generation > generation) { 799 head = awh.wc_head; 800 tail = awh.wc_tail; 801 } 802 generation = awh.wc_generation; 803 skip = awh.wc_len; 804 break; 805 default: 806 len = print_journal_entries(name, blklen); 807 skip = awh.wc_len; 808 if (len != (off_t)skip) 809 printf(" CORRUPTED RECORD\n"); 810 break; 811 } 812 813 if (blklen == 0) 814 break; 815 816 skip = (skip + blklen - 1) / blklen * blklen; 817 if (skip == 0) 818 break; 819 820 } 821 break; 822 } 823 824 return 0; 825 } 826 827 static const char * 828 wapbl_type_string(unsigned t) 829 { 830 static char buf[12]; 831 832 switch (t) { 833 case WAPBL_WC_BLOCKS: 834 return "blocks"; 835 case WAPBL_WC_REVOCATIONS: 836 return "revocations"; 837 case WAPBL_WC_INODES: 838 return "inodes"; 839 case WAPBL_WC_HEADER: 840 return "header"; 841 } 842 843 snprintf(buf,sizeof(buf),"%08x",t); 844 return buf; 845 } 846 847 static void 848 print_journal_header(const char *name) 849 { 850 printf(" type %s len %d version %u\n", 851 wapbl_type_string(awh.wc_type), awh.wc_len, 852 awh.wc_version); 853 printf(" checksum %08x generation %9u\n", 854 awh.wc_checksum, awh.wc_generation); 855 printf(" fsid %08x.%08x time %llu nsec %u\n", 856 awh.wc_fsid[0], awh.wc_fsid[1], 857 (unsigned long long)awh.wc_time, awh.wc_timensec); 858 printf(" log_bshift %10u fs_bshift %10u\n", 859 awh.wc_log_dev_bshift, awh.wc_fs_dev_bshift); 860 printf(" head %10lld tail %10lld\n", 861 (long long)awh.wc_head, (long long)awh.wc_tail); 862 printf(" circ_off %10lld circ_size %10lld\n", 863 (long long)awh.wc_circ_off, (long long)awh.wc_circ_size); 864 } 865 866 static off_t 867 print_journal_entries(const char *name, size_t blklen) 868 { 869 int i, n; 870 struct wapbl_wc_blocklist *wcb; 871 struct wapbl_wc_inodelist *wci; 872 off_t len = 0; 873 int ph; 874 875 printf(" type %s len %d", 876 wapbl_type_string(awn.wc_type), awn.wc_len); 877 878 switch (awn.wc_type) { 879 case WAPBL_WC_BLOCKS: 880 case WAPBL_WC_REVOCATIONS: 881 wcb = (struct wapbl_wc_blocklist *)&awn; 882 printf(" blkcount %u\n", wcb->wc_blkcount); 883 ph = (blklen - offsetof(struct wapbl_wc_blocklist, wc_blocks)) 884 / sizeof(wcb->wc_blocks[0]); 885 n = MIN(wcb->wc_blkcount, ph); 886 for (i=0; i<n; i++) { 887 if (ISOPT(opt_verbose)) { 888 printf(" %3d: daddr %14llu dlen %d\n", i, 889 (unsigned long long)wcb->wc_blocks[i].wc_daddr, 890 wcb->wc_blocks[i].wc_dlen); 891 } 892 len += wcb->wc_blocks[i].wc_dlen; 893 } 894 if (awn.wc_type == WAPBL_WC_BLOCKS) { 895 if (len % blklen) 896 len += blklen - len % blklen; 897 } else 898 len = 0; 899 break; 900 case WAPBL_WC_INODES: 901 wci = (struct wapbl_wc_inodelist *)&awn; 902 printf(" count %u clear %u\n", 903 wci->wc_inocnt, wci->wc_clear); 904 ph = (blklen - offsetof(struct wapbl_wc_inodelist, wc_inodes)) 905 / sizeof(wci->wc_inodes[0]); 906 n = MIN(wci->wc_inocnt, ph); 907 for (i=0; i<n; ++i) { 908 if (ISOPT(opt_verbose)) { 909 printf(" %3d: inumber %10u imode %08x\n", i, 910 wci->wc_inodes[i].wc_inumber, 911 wci->wc_inodes[i].wc_imode); 912 } 913 } 914 break; 915 default: 916 printf("\n"); 917 break; 918 } 919 920 return len + blklen; 921 } 922 923 static void 924 usage(void) 925 { 926 927 (void)fprintf(stderr, "usage: dumpfs [-acFijmsv] filesys | device [...]\n"); 928 exit(1); 929 } 930 931 static int 932 openpartition(const char *name, int flags, char *device, size_t devicelen) 933 { 934 char rawspec[MAXPATHLEN], xbuf[MAXPATHLEN], *p; 935 struct fstab *fs; 936 int fd, oerrno; 937 938 fs = getfsfile(name); 939 if (fs) { 940 const char *fsspec; 941 fsspec = getfsspecname(xbuf, sizeof(xbuf), fs->fs_spec); 942 if (fsspec == NULL) { 943 warn("%s", xbuf); 944 return -1; 945 } 946 if ((p = strrchr(fsspec, '/')) != NULL) { 947 snprintf(rawspec, sizeof(rawspec), "%.*s/r%s", 948 (int)(p - fsspec), fsspec, p + 1); 949 name = rawspec; 950 } else 951 name = fsspec; 952 } 953 fd = opendisk(name, flags, device, devicelen, 0); 954 if (fd == -1 && errno == ENOENT) { 955 oerrno = errno; 956 strlcpy(device, name, devicelen); 957 errno = oerrno; 958 } 959 return (fd); 960 } 961