dumpfs.c revision 1.55
1 /* $NetBSD: dumpfs.c,v 1.55 2010/02/27 09:53:33 mlelstv 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 1.55 2010/02/27 09:53:33 mlelstv 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/ffs/fs.h> 56 #include <ufs/ffs/ffs_extern.h> 57 58 #include <err.h> 59 #include <errno.h> 60 #include <fcntl.h> 61 #include <fstab.h> 62 #include <stdio.h> 63 #include <stdlib.h> 64 #include <string.h> 65 #include <stddef.h> 66 #include <unistd.h> 67 #include <util.h> 68 69 union fsun { 70 struct fs fs; 71 char pad[MAXBSIZE]; 72 } fsun; 73 #define afs fsun.fs 74 75 uint16_t opostblsave[32*8]; 76 77 union { 78 struct cg cg; 79 char pad[MAXBSIZE]; 80 } cgun; 81 #define acg cgun.cg 82 83 union { 84 struct wapbl_wc_header wh; 85 struct wapbl_wc_null wn; 86 char pad[MAXBSIZE]; 87 } jbuf; 88 #define awh jbuf.wh 89 #define awn jbuf.wn 90 91 #define OPT_FLAG(ch) (1 << ((ch) & 31)) 92 #define ISOPT(opt) (opt_flags & (opt)) 93 #define opt_alt_super OPT_FLAG('a') 94 #define opt_superblock OPT_FLAG('s') 95 #define opt_cg_summary OPT_FLAG('m') 96 #define opt_cg_info OPT_FLAG('c') 97 #define opt_inodes OPT_FLAG('i') 98 #define opt_journal OPT_FLAG('j') 99 #define opt_verbose OPT_FLAG('v') 100 #define DFLT_CHECK (opt_alt_super | opt_cg_info | opt_inodes | \ 101 opt_cg_summary | opt_superblock | opt_journal ) 102 #define DFLT_OPTS (opt_superblock | opt_cg_summary | opt_cg_info | opt_verbose) 103 104 long dev_bsize = 512; 105 int needswap, printold, is_ufs2; 106 int Fflag; 107 108 uint opt_flags; 109 110 int dumpfs(const char *); 111 int print_superblock(struct fs *, uint16_t *, const char *, int, off_t); 112 int print_cgsum(const char *, int); 113 int print_cginfo(const char *, int); 114 int print_inodes(const char *, int, int, int); 115 int print_alt_super(const char *, int); 116 int print_journal(const char *, int); 117 void print_journal_header(const char *); 118 off_t print_journal_entries(const char *, size_t); 119 int dumpcg(const char *, int, int); 120 int main(int, char **); 121 int openpartition(const char *, int, char *, size_t); 122 void pbits(int, void *, int); 123 void usage(void); 124 void print_ufs1_inode(int, int, void *); 125 void print_ufs2_inode(int, int, void *); 126 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, "acimsjvF")) != -1) 134 switch(ch) { 135 case 'a': /* alternate superblocks */ 136 case 'c': /* cylinder group info */ 137 case 'i': /* actual inodes */ 138 case 'm': /* cylinder group summary */ 139 case 's': /* superblock */ 140 case 'j': /* journal */ 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 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 / 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 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 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("flags\t"); 410 if (fs->fs_flags == 0) 411 printf("none"); 412 if (fs->fs_flags & FS_UNCLEAN) 413 printf("unclean "); 414 if (fs->fs_flags & FS_DOSOFTDEP) 415 printf("soft-updates "); 416 if (fs->fs_flags & FS_NEEDSFSCK) 417 printf("needs fsck run "); 418 if (fs->fs_flags & FS_INDEXDIRS) 419 printf("indexed directories "); 420 if (fs->fs_flags & FS_ACLS) 421 printf("acls "); 422 if (fs->fs_flags & FS_MULTILABEL) 423 printf("multilabel "); 424 if (fs->fs_flags & FS_FLAGS_UPDATED) 425 printf("fs_flags expanded "); 426 if (fs->fs_flags & FS_DOWAPBL) 427 printf("wapbl "); 428 fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | 429 FS_INDEXDIRS | FS_ACLS | FS_MULTILABEL | 430 FS_FLAGS_UPDATED | FS_DOWAPBL); 431 if (fsflags != 0) 432 printf("unknown flags (%#x)", fsflags); 433 printf("\nfsmnt\t%s\n", fs->fs_fsmnt); 434 if (!printold) 435 printf("volname\t%s\tswuid\t%ju\n", 436 fs->fs_volname, (uintmax_t)fs->fs_swuid); 437 if (printold) { 438 if (fs->fs_old_cpc != 0) 439 printf("blocks available in each of %d rotational " 440 "positions\n", fs->fs_old_nrpos); 441 else 442 printf("(no rotational position table)\n\n"); 443 if (ISOPT(opt_verbose)) { 444 int c, j, k; 445 for (c = 0; c < fs->fs_old_cpc; c++) { 446 printf("cylinder number %d:", c); 447 for (i = 0; i < fs->fs_old_nrpos; i++) { 448 if (old_fs_postbl(&afs, c, opostbl)[i] == -1) 449 continue; 450 printf("\n position %d:\t", i); 451 for (j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; ; 452 j += old_fs_rotbl(&afs)[j], k++) { 453 printf("%5d", j); 454 if (k % 12 == 0) 455 printf("\n\t\t"); 456 if (old_fs_rotbl(&afs)[j] == 0) 457 break; 458 } 459 } 460 printf("\n"); 461 } 462 } 463 } 464 465 return 0; 466 } 467 468 int 469 print_cgsum(const char *name, int fd) 470 { 471 struct csum *ccsp; 472 int i, j, size; 473 474 afs.fs_csp = calloc(1, afs.fs_cssize); 475 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { 476 size = afs.fs_cssize - i < afs.fs_bsize ? 477 afs.fs_cssize - i : afs.fs_bsize; 478 ccsp = (struct csum *)((char *)afs.fs_csp + i); 479 if (lseek(fd, 480 (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag))) * 481 dev_bsize, SEEK_SET) == (off_t)-1) 482 return 1; 483 if (read(fd, ccsp, size) != size) 484 return 1; 485 if (needswap) 486 ffs_csum_swap(ccsp, ccsp, size); 487 } 488 489 printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 490 for (i = 0; i < afs.fs_ncg; i++) { 491 struct csum *cs = &afs.fs_cs(&afs, i); 492 if (i && i % 4 == 0) 493 printf("\n\t"); 494 printf("(%d,%d,%d,%d) ", 495 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 496 } 497 printf("\n"); 498 if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) { 499 printf("cylinders in last group %d\n", 500 i = afs.fs_old_ncyl % afs.fs_old_cpg); 501 printf("blocks in last group %d\n", 502 i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift)); 503 } 504 free(afs.fs_csp); 505 afs.fs_csp = NULL; 506 507 return 0; 508 } 509 510 int 511 print_alt_super(const char *name, int fd) 512 { 513 union fsun alt; 514 int i; 515 off_t loc; 516 uint16_t alt_opostblsave[32*8]; 517 int save_printold; 518 519 for (i = 0; i < afs.fs_ncg; i++) { 520 loc = (off_t)(fsbtodb(&afs, cgsblock(&afs, i))) * dev_bsize; 521 printf("\nalternate %d\n", i); 522 if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) { 523 warnx("%s: error reading alt %d", name, i); 524 return (1); 525 } 526 save_printold = printold; 527 fix_superblock(&alt.fs, alt_opostblsave); 528 if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) { 529 printold = save_printold; 530 return 1; 531 } 532 printold = save_printold; 533 } 534 return 0; 535 } 536 537 int 538 print_cginfo(const char *name, int fd) 539 { 540 int i; 541 542 printf("\n"); 543 for (i = 0; i < afs.fs_ncg; i++) { 544 printf("\n"); 545 if (dumpcg(name, fd, i)) 546 return 1; 547 if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1)) 548 return 1; 549 } 550 return 0; 551 } 552 553 int 554 print_inodes(const char *name, int fd, int c, int n) 555 { 556 void *ino_buf = malloc(afs.fs_bsize); 557 void (*print_inode)(int, int, void *); 558 int i, inum; 559 560 if (ino_buf == 0) 561 return 1; 562 563 print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode; 564 565 for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) { 566 if (pread(fd, ino_buf, afs.fs_bsize, 567 ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) { 568 free(ino_buf); 569 return 1; 570 } 571 for (i = 0; i < afs.fs_inopb; i++) 572 print_inode(inum + i, i, ino_buf); 573 } 574 575 free(ino_buf); 576 return 0; 577 } 578 579 int 580 dumpcg(const char *name, int fd, int c) 581 { 582 off_t cur; 583 int i, j; 584 time_t t; 585 586 printf("cg %d:\n", c); 587 if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c))) * dev_bsize, 588 SEEK_SET)) == (off_t)-1) 589 return (1); 590 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) { 591 warnx("%s: error reading cg", name); 592 return (1); 593 } 594 if (needswap) 595 ffs_cg_swap(&acg, &acg, &afs); 596 if (printold) 597 t = acg.cg_old_time; 598 else 599 t = acg.cg_time; 600 printf("magic\t%x\ttell\t%llx\ttime\t%s", 601 afs.fs_old_postblformat == FS_42POSTBLFMT ? 602 ((struct ocg *)&acg)->cg_magic : acg.cg_magic, 603 (long long)cur, ctime(&t)); 604 if (printold) 605 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 606 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 607 acg.cg_ndblk); 608 else 609 printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n", 610 acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk); 611 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 612 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 613 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 614 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 615 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 616 for (i = 1, j = 0; i < afs.fs_frag; i++) { 617 printf("\t%d", acg.cg_frsum[i]); 618 j += i * acg.cg_frsum[i]; 619 } 620 printf("\nsum of frsum: %d", j); 621 if (afs.fs_contigsumsize > 0) { 622 for (i = 1; i < afs.fs_contigsumsize; i++) { 623 if ((i - 1) % 8 == 0) 624 printf("\nclusters %d-%d:", i, 625 afs.fs_contigsumsize - 1 < i + 7 ? 626 afs.fs_contigsumsize - 1 : i + 7); 627 printf("\t%d", cg_clustersum(&acg, 0)[i]); 628 } 629 printf("\nclusters size %d and over: %d\n", 630 afs.fs_contigsumsize, 631 cg_clustersum(&acg, 0)[afs.fs_contigsumsize]); 632 printf("clusters free:\t"); 633 pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks); 634 } else 635 printf("\n"); 636 printf("iused:\t"); 637 pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg); 638 printf("free:\t"); 639 pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg); 640 if (printold && ISOPT(opt_verbose)) { 641 printf("b:\n"); 642 for (i = 0; i < afs.fs_old_cpg; i++) { 643 if (old_cg_blktot(&acg, 0)[i] == 0) 644 continue; 645 printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]); 646 for (j = 0; j < afs.fs_old_nrpos; j++) { 647 if (afs.fs_old_cpc > 0 && 648 old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1) 649 continue; 650 printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]); 651 } 652 printf("\n"); 653 } 654 } 655 return (0); 656 } 657 658 void 659 print_ufs1_inode(int inum, int i_off, void *ibuf) 660 { 661 struct ufs1_dinode *i = ibuf; 662 663 i += i_off; 664 665 if (needswap) 666 ffs_dinode1_swap(i,i); 667 668 if (afs.fs_old_inodefmt < FS_44INODEFMT) { 669 i->di_uid = i->di_ouid; 670 i->di_gid = i->di_ogid; 671 } 672 673 if (inum % afs.fs_ipg == 0) 674 printf(" inode: mode nlink size" 675 " ctime.nsec flags blocks" 676 " generation uid gid\n"); 677 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 678 return; 679 printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n", 680 inum, i->di_mode, i->di_nlink, i->di_size, 681 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 682 i->di_gen, i->di_uid, i->di_gid); 683 } 684 685 void 686 print_ufs2_inode(int inum, int i_off, void *ibuf) 687 { 688 struct ufs2_dinode *i = ibuf; 689 690 i += i_off; 691 692 if (needswap) 693 ffs_dinode2_swap(i,i); 694 695 if (inum % afs.fs_ipg == 0) 696 printf(" inode: mode nlink size" 697 " ctime.nsec flags blocks" 698 " generation uid gid\n"); 699 700 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 701 return; 702 703 printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n", 704 inum, i->di_mode, i->di_nlink, i->di_size, 705 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 706 i->di_gen, i->di_uid, i->di_gid); 707 } 708 709 void 710 pbits(int offset, void *vp, int max) 711 { 712 int i; 713 char *p; 714 int count, j; 715 716 for (count = i = 0, p = vp; i < max; i++) 717 if (isset(p, i)) { 718 if (count) 719 printf(",%s", count % 6 ? " " : "\n\t"); 720 count++; 721 printf("%d", offset + i); 722 j = i; 723 while ((i+1)<max && isset(p, i+1)) 724 i++; 725 if (i != j) 726 printf("-%d", offset + i); 727 } 728 printf("\n"); 729 } 730 731 int 732 print_journal(const char *name, int fd) 733 { 734 daddr_t off; 735 size_t count, blklen, bno, skip; 736 off_t boff, head, tail, len; 737 uint32_t generation; 738 739 if (afs.fs_journal_version != UFS_WAPBL_VERSION) 740 return 0; 741 742 generation = 0; 743 head = tail = 0; 744 745 switch (afs.fs_journal_location) { 746 case UFS_WAPBL_JOURNALLOC_END_PARTITION: 747 case UFS_WAPBL_JOURNALLOC_IN_FILESYSTEM: 748 749 off = afs.fs_journallocs[0]; 750 count = afs.fs_journallocs[1]; 751 blklen = afs.fs_journallocs[2]; 752 753 for (bno=0; bno<count; bno += skip / DEV_BSIZE) { 754 755 skip = blklen; 756 757 boff = bno * DEV_BSIZE; 758 if (bno * DEV_BSIZE >= 2 * blklen && 759 ((head >= tail && (boff < tail || boff >= head)) || 760 (head < tail && (boff >= head && boff < tail)))) 761 continue; 762 763 printf("journal block %lu offset %lld\n", 764 (unsigned long)bno, (long long) boff); 765 766 if (lseek(fd, (off_t)(off*DEV_BSIZE) + boff, SEEK_SET) 767 == (off_t)-1) 768 return (1); 769 if (read(fd, &jbuf, blklen) != (ssize_t)blklen) { 770 warnx("%s: error reading journal", name); 771 return 1; 772 } 773 774 switch (awh.wc_type) { 775 case 0: 776 break; 777 case WAPBL_WC_HEADER: 778 print_journal_header(name); 779 if (awh.wc_generation > generation) { 780 head = awh.wc_head; 781 tail = awh.wc_tail; 782 } 783 generation = awh.wc_generation; 784 skip = awh.wc_len; 785 break; 786 default: 787 len = print_journal_entries(name, blklen); 788 skip = awh.wc_len; 789 if (len != (off_t)skip) 790 printf(" CORRUPTED RECORD\n"); 791 break; 792 } 793 794 if (blklen) 795 skip = (skip + blklen - 1) / blklen * blklen; 796 if (skip == 0) 797 break; 798 799 } 800 break; 801 } 802 803 return 0; 804 } 805 806 static const char * 807 wapbl_type_string(unsigned t) 808 { 809 static char buf[12]; 810 811 switch (t) { 812 case WAPBL_WC_BLOCKS: 813 return "blocks"; 814 case WAPBL_WC_REVOCATIONS: 815 return "revocations"; 816 case WAPBL_WC_INODES: 817 return "inodes"; 818 case WAPBL_WC_HEADER: 819 return "header"; 820 } 821 822 snprintf(buf,sizeof(buf),"%08x",t); 823 return buf; 824 } 825 826 void 827 print_journal_header(const char *name) 828 { 829 printf(" type %s len %d version %u\n", 830 wapbl_type_string(awh.wc_type), awh.wc_len, 831 awh.wc_version); 832 printf(" checksum %08x generation %9u\n", 833 awh.wc_checksum, awh.wc_generation); 834 printf(" fsid %08x.%08x time %llu nsec %u\n", 835 awh.wc_fsid[0], awh.wc_fsid[1], 836 (unsigned long long)awh.wc_time, awh.wc_timensec); 837 printf(" log_bshift %10u fs_bshift %10u\n", 838 awh.wc_log_dev_bshift, awh.wc_fs_dev_bshift); 839 printf(" head %10lld tail %10lld\n", 840 (long long)awh.wc_head, (long long)awh.wc_tail); 841 printf(" circ_off %10lld circ_size %10lld\n", 842 (long long)awh.wc_circ_off, (long long)awh.wc_circ_size); 843 } 844 845 off_t 846 print_journal_entries(const char *name, size_t blklen) 847 { 848 int i, n; 849 struct wapbl_wc_blocklist *wcb; 850 struct wapbl_wc_inodelist *wci; 851 off_t len = 0; 852 int ph; 853 854 printf(" type %s len %d", 855 wapbl_type_string(awn.wc_type), awn.wc_len); 856 857 switch (awn.wc_type) { 858 case WAPBL_WC_BLOCKS: 859 case WAPBL_WC_REVOCATIONS: 860 wcb = (struct wapbl_wc_blocklist *)&awn; 861 printf(" blkcount %u\n", wcb->wc_blkcount); 862 ph = (blklen - offsetof(struct wapbl_wc_blocklist, wc_blocks)) 863 / sizeof(wcb->wc_blocks[0]); 864 n = MIN(wcb->wc_blkcount, ph); 865 for (i=0; i<n; i++) { 866 if (ISOPT(opt_verbose)) { 867 printf(" %3d: daddr %14llu dlen %d\n", i, 868 (unsigned long long)wcb->wc_blocks[i].wc_daddr, 869 wcb->wc_blocks[i].wc_dlen); 870 } 871 len += wcb->wc_blocks[i].wc_dlen; 872 } 873 if (awn.wc_type == WAPBL_WC_BLOCKS) { 874 if (len % blklen) 875 len += blklen - len % blklen; 876 } else 877 len = 0; 878 break; 879 case WAPBL_WC_INODES: 880 wci = (struct wapbl_wc_inodelist *)&awn; 881 printf(" count %u clear %u\n", 882 wci->wc_inocnt, wci->wc_clear); 883 ph = (blklen - offsetof(struct wapbl_wc_inodelist, wc_inodes)) 884 / sizeof(wci->wc_inodes[0]); 885 n = MIN(wci->wc_inocnt, ph); 886 for (i=0; i<n; ++i) { 887 if (ISOPT(opt_verbose)) { 888 printf(" %3d: inumber %10u imode %08x\n", i, 889 wci->wc_inodes[i].wc_inumber, 890 wci->wc_inodes[i].wc_imode); 891 } 892 } 893 break; 894 default: 895 printf("\n"); 896 break; 897 } 898 899 return len + blklen; 900 } 901 902 void 903 usage(void) 904 { 905 906 (void)fprintf(stderr, "usage: dumpfs [-acFimsjv] filesys | device [...]\n"); 907 exit(1); 908 } 909 910 int 911 openpartition(const char *name, int flags, char *device, size_t devicelen) 912 { 913 char rawspec[MAXPATHLEN], *p; 914 struct fstab *fs; 915 int fd, oerrno; 916 917 fs = getfsfile(name); 918 if (fs) { 919 if ((p = strrchr(fs->fs_spec, '/')) != NULL) { 920 snprintf(rawspec, sizeof(rawspec), "%.*s/r%s", 921 (int)(p - fs->fs_spec), fs->fs_spec, p + 1); 922 name = rawspec; 923 } else 924 name = fs->fs_spec; 925 } 926 fd = opendisk(name, flags, device, devicelen, 0); 927 if (fd == -1 && errno == ENOENT) { 928 oerrno = errno; 929 strlcpy(device, name, devicelen); 930 errno = oerrno; 931 } 932 return (fd); 933 } 934
Indexes created Wed Oct 15 16:09:53 GMT 2025