dumpfs.c revision 1.50
1 /* $NetBSD: dumpfs.c,v 1.50 2008/07/31 05:38:07 simonb 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 1.50 2008/07/31 05:38:07 simonb Exp $"); 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/time.h> 48 49 #include <ufs/ufs/dinode.h> 50 #include <ufs/ufs/ufs_bswap.h> 51 #include <ufs/ffs/fs.h> 52 #include <ufs/ffs/ffs_extern.h> 53 54 #include <err.h> 55 #include <errno.h> 56 #include <fcntl.h> 57 #include <fstab.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #include <stddef.h> 62 #include <unistd.h> 63 #include <util.h> 64 65 union fsun { 66 struct fs fs; 67 char pad[MAXBSIZE]; 68 } fsun; 69 #define afs fsun.fs 70 71 uint16_t opostblsave[32*8]; 72 73 union { 74 struct cg cg; 75 char pad[MAXBSIZE]; 76 } cgun; 77 #define acg cgun.cg 78 79 #define OPT_FLAG(ch) (1 << ((ch) & 31)) 80 #define ISOPT(opt) (opt_flags & (opt)) 81 #define opt_alt_super OPT_FLAG('a') 82 #define opt_superblock OPT_FLAG('s') 83 #define opt_cg_summary OPT_FLAG('m') 84 #define opt_cg_info OPT_FLAG('c') 85 #define opt_inodes OPT_FLAG('i') 86 #define opt_verbose OPT_FLAG('v') 87 #define DFLT_CHECK (opt_alt_super | opt_cg_info | opt_inodes | \ 88 opt_cg_summary | opt_superblock) 89 #define DFLT_OPTS (opt_superblock | opt_cg_summary | opt_cg_info | opt_verbose) 90 91 long dev_bsize = 512; 92 int needswap, printold, is_ufs2; 93 int Fflag; 94 95 uint opt_flags; 96 97 int dumpfs(const char *); 98 int print_superblock(struct fs *, uint16_t *, const char *, int, off_t); 99 int print_cgsum(const char *, int); 100 int print_cginfo(const char *, int); 101 int print_inodes(const char *, int, int, int); 102 int print_alt_super(const char *, int); 103 int dumpcg(const char *, int, int); 104 int main(int, char **); 105 int openpartition(const char *, int, char *, size_t); 106 void pbits(int, void *, int); 107 void usage(void); 108 void print_ufs1_inode(int, int, void *); 109 void print_ufs2_inode(int, int, void *); 110 void fix_superblock(struct fs *, uint16_t *); 111 112 int 113 main(int argc, char *argv[]) 114 { 115 int ch, eval; 116 117 while ((ch = getopt(argc, argv, "acimsvF")) != -1) 118 switch(ch) { 119 case 'a': /* alternate superblocks */ 120 case 'c': /* cylinder group info */ 121 case 'i': /* actual inodes */ 122 case 'm': /* cylinder group summary */ 123 case 's': /* superblock */ 124 case 'v': /* more verbose */ 125 opt_flags |= OPT_FLAG(ch); 126 break; 127 case 'F': /* File (not device) */ 128 Fflag = 1; 129 break; 130 case '?': 131 default: 132 usage(); 133 } 134 argc -= optind; 135 argv += optind; 136 137 if ((opt_flags & DFLT_CHECK) == 0) 138 opt_flags |= DFLT_OPTS; 139 140 if (argc < 1) 141 usage(); 142 143 for (eval = 0; *argv; ++argv) { 144 eval |= dumpfs(*argv); 145 } 146 147 exit(eval); 148 } 149 150 151 int 152 dumpfs(const char *name) 153 { 154 const static off_t sblock_try[] = SBLOCKSEARCH; 155 char device[MAXPATHLEN]; 156 int fd, i; 157 int rval = 1; 158 159 if (Fflag) 160 fd = open(name, O_RDONLY); 161 else { 162 fd = openpartition(name, O_RDONLY, device, sizeof(device)); 163 name = device; 164 } 165 if (fd == -1) 166 goto err; 167 168 for (i = 0; ; i++) { 169 if (sblock_try[i] == -1) { 170 warnx("%s: could not find superblock, skipped", name); 171 return 1; 172 } 173 if (lseek(fd, sblock_try[i], SEEK_SET) == (off_t)-1) 174 continue; 175 if (read(fd, &afs, SBLOCKSIZE) != SBLOCKSIZE) 176 continue; 177 switch(afs.fs_magic) { 178 case FS_UFS2_MAGIC: 179 is_ufs2 = 1; 180 break; 181 case FS_UFS1_MAGIC: 182 break; 183 case FS_UFS2_MAGIC_SWAPPED: 184 is_ufs2 = 1; 185 needswap = 1; 186 break; 187 case FS_UFS1_MAGIC_SWAPPED: 188 needswap = 1; 189 break; 190 default: 191 continue; 192 } 193 fix_superblock(&afs, opostblsave); 194 if (printold) { 195 if (sblock_try[i] == SBLOCK_UFS2) 196 /* This might be an alternate superblock */ 197 continue; 198 } else { 199 if (sblock_try[i] != afs.fs_sblockloc) 200 /* This must be an alternate superblock */ 201 continue; 202 } 203 break; 204 } 205 206 207 dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1); 208 209 rval = 0; 210 printf("file system: %s\n", name); 211 212 if (ISOPT(opt_superblock)) 213 rval = print_superblock(&afs, opostblsave, name, fd, sblock_try[i]); 214 if (rval == 0 && ISOPT(opt_cg_summary)) 215 rval = print_cgsum(name, fd); 216 if (rval == 0 && ISOPT(opt_alt_super)) 217 rval = print_alt_super(name, fd); 218 if (rval == 0 && ISOPT(opt_cg_info)) 219 rval = print_cginfo(name, fd); 220 else if (rval == 0 && ISOPT(opt_inodes)) 221 rval = print_inodes(name, fd, 0, afs.fs_ncg); 222 223 err: 224 if (fd != -1) 225 (void)close(fd); 226 if (rval) 227 warn("%s", name); 228 return rval; 229 } 230 231 void 232 fix_superblock(struct fs *fs, uint16_t *opostbl) 233 { 234 if (needswap && 235 ((bswap32(fs->fs_old_postblformat) == FS_42POSTBLFMT) || 236 (bswap32(fs->fs_old_postbloff) == offsetof(struct fs, fs_old_postbl_start)))) { 237 int i; 238 memcpy(opostbl, &fs->fs_old_postbl_start, 512); 239 for(i=0;i<256;i++) 240 opostbl[i] = bswap16(opostbl[i]); 241 } else if (!needswap && 242 ((fs->fs_old_postblformat == FS_42POSTBLFMT) || 243 (fs->fs_old_postbloff == offsetof(struct fs, fs_old_postbl_start)))) { 244 memcpy(opostbl, &fs->fs_old_postbl_start, 512); 245 } 246 247 if (needswap) 248 ffs_sb_swap(fs, fs); 249 250 printold = (fs->fs_magic == FS_UFS1_MAGIC && 251 (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0); 252 if (printold) { 253 fs->fs_sblockloc = SBLOCK_UFS1; 254 fs->fs_flags = fs->fs_old_flags; 255 fs->fs_maxbsize = fs->fs_bsize; 256 fs->fs_time = fs->fs_old_time; 257 fs->fs_size = fs->fs_old_size; 258 fs->fs_dsize = fs->fs_old_dsize; 259 fs->fs_csaddr = fs->fs_old_csaddr; 260 fs->fs_cstotal.cs_ndir = fs->fs_old_cstotal.cs_ndir; 261 fs->fs_cstotal.cs_nbfree = fs->fs_old_cstotal.cs_nbfree; 262 fs->fs_cstotal.cs_nifree = fs->fs_old_cstotal.cs_nifree; 263 fs->fs_cstotal.cs_nffree = fs->fs_old_cstotal.cs_nffree; 264 } 265 266 if (printold && fs->fs_old_postblformat == FS_42POSTBLFMT) 267 fs->fs_old_nrpos = 8; 268 } 269 270 int 271 print_superblock(struct fs *fs, uint16_t *opostbl, 272 const char *name, int fd, off_t sblock) 273 { 274 int i, size; 275 time_t t; 276 int32_t fsflags; 277 278 #if BYTE_ORDER == LITTLE_ENDIAN 279 if (needswap) 280 #else 281 if (!needswap) 282 #endif 283 printf("endian\tbig-endian\n"); 284 else 285 printf("endian\tlittle-endian\n"); 286 t = fs->fs_time; 287 if ((sblock != SBLOCK_UFS1) || ISOPT(opt_alt_super)) 288 printf("location %lld\t(-b %lld)\n", 289 (long long)sblock, (long long)(sblock/dev_bsize)); 290 printf("magic\t%x (UFS%d)\ttime\t%s", 291 fs->fs_magic, is_ufs2+1, ctime(&t)); 292 293 if (is_ufs2) 294 i = 5; 295 else { 296 i = 0; 297 if (fs->fs_old_postblformat != FS_42POSTBLFMT) { 298 i++; 299 if (fs->fs_old_inodefmt >= FS_44INODEFMT) { 300 int max; 301 302 i++; 303 max = fs->fs_maxcontig; 304 size = fs->fs_contigsumsize; 305 if ((max < 2 && size == 0) 306 || (max > 1 && size >= MIN(max, FS_MAXCONTIG))) 307 i++; 308 } 309 if (fs->fs_old_flags & FS_FLAGS_UPDATED) { 310 i = 4; 311 } 312 } 313 } 314 if (!printold || fs->fs_sblockloc != SBLOCK_UFS1 || 315 fs->fs_id[0] || fs->fs_id[1]) 316 printf("superblock location\t%jd\tid\t[ %x %x ]\n", 317 (intmax_t)fs->fs_sblockloc, fs->fs_id[0], fs->fs_id[1]); 318 printf("cylgrp\t%s\tinodes\t%s\tsblock\t%s\tfslevel %d\n", 319 i < 1 ? "static" : "dynamic", 320 i < 2 ? "4.2/4.3BSD" : i < 5 ? "4.4BSD" : "FFSv2", 321 i < 4 ? "FFSv1" : "FFSv2", i); 322 printf("nbfree\t%lld\tndir\t%lld\tnifree\t%lld\tnffree\t%lld\n", 323 (long long)fs->fs_cstotal.cs_nbfree, 324 (long long)fs->fs_cstotal.cs_ndir, 325 (long long)fs->fs_cstotal.cs_nifree, 326 (long long)fs->fs_cstotal.cs_nffree); 327 if (printold) 328 printf("ncg\t%d\tncyl\t%d\tsize\t%lld\tblocks\t%lld\n", 329 fs->fs_ncg, fs->fs_old_ncyl, (long long)fs->fs_size, (long long)fs->fs_dsize); 330 else 331 printf("ncg\t%d\tsize\t%lld\tblocks\t%lld\n", 332 fs->fs_ncg, (long long)fs->fs_size, (long long)fs->fs_dsize); 333 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 334 fs->fs_bsize, fs->fs_bshift, fs->fs_bmask); 335 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 336 fs->fs_fsize, fs->fs_fshift, fs->fs_fmask); 337 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 338 fs->fs_frag, fs->fs_fragshift, fs->fs_fsbtodb); 339 if (printold) 340 printf("cpg\t%d\t", fs->fs_old_cpg); 341 printf("bpg\t%d\tfpg\t%d\tipg\t%d\n", 342 fs->fs_fpg / fs->fs_frag, fs->fs_fpg, fs->fs_ipg); 343 printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n", 344 fs->fs_minfree, fs->fs_optim == FS_OPTSPACE ? "space" : "time", 345 fs->fs_maxcontig, fs->fs_maxbpg); 346 if (printold) { 347 printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n", 348 fs->fs_old_rotdelay, fs->fs_old_headswitch, 349 fs->fs_old_trkseek, fs->fs_old_rps); 350 printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n", 351 fs->fs_spare2, fs->fs_old_nsect, fs->fs_old_npsect, 352 fs->fs_old_spc); 353 } 354 printf("symlinklen %d\t", fs->fs_maxsymlinklen); 355 if (printold) 356 printf("trackskew %d\tinterleave %d\t", 357 fs->fs_old_trackskew, fs->fs_old_interleave); 358 printf("contigsumsize %d\n", fs->fs_contigsumsize); 359 printf("maxfilesize 0x%016llx\n", 360 (unsigned long long)fs->fs_maxfilesize); 361 if (printold) 362 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", fs->fs_nindir, 363 fs->fs_inopb, fs->fs_old_nspf); 364 else 365 printf("nindir\t%d\tinopb\t%d\n", fs->fs_nindir, fs->fs_inopb); 366 if (!printold || (fs->fs_avgfilesize > 0) || (fs->fs_avgfpdir > 0)) 367 printf("avgfilesize %d\tavgfpdir %d\n", 368 fs->fs_avgfilesize, fs->fs_avgfpdir); 369 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 370 fs->fs_sblkno, fs->fs_cblkno, fs->fs_iblkno, fs->fs_dblkno); 371 printf("sbsize\t%d\tcgsize\t%d", fs->fs_sbsize, fs->fs_cgsize); 372 if (printold) 373 printf("\toffset\t%d\tmask\t0x%08x", 374 fs->fs_old_cgoffset, fs->fs_old_cgmask); 375 printf("\ncsaddr\t%lld\tcssize\t%d", 376 (long long)fs->fs_csaddr, fs->fs_cssize); 377 if (printold) 378 printf("\tshift\t%d\tmask\t0x%08x", 379 fs->fs_old_csshift, fs->fs_old_csmask); 380 printf("\ncgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t0x%02x\n", 381 fs->fs_cgrotor, fs->fs_fmod, fs->fs_ronly, fs->fs_clean); 382 printf("wapbl version 0x%x\tlocation %u\tflags 0x%x\n", 383 fs->fs_journal_version, fs->fs_journal_location, 384 fs->fs_journal_flags); 385 printf("wapbl loc0 %" PRIu64 "\tloc1 %" PRIu64, 386 fs->fs_journallocs[0], fs->fs_journallocs[1]); 387 printf("\tloc1 %" PRIu64 "\tloc2 %" PRIu64 "\n", 388 fs->fs_journallocs[2], fs->fs_journallocs[3]); 389 printf("flags\t"); 390 if (fs->fs_flags == 0) 391 printf("none"); 392 if (fs->fs_flags & FS_UNCLEAN) 393 printf("unclean "); 394 if (fs->fs_flags & FS_DOSOFTDEP) 395 printf("soft-updates "); 396 if (fs->fs_flags & FS_NEEDSFSCK) 397 printf("needs fsck run "); 398 if (fs->fs_flags & FS_INDEXDIRS) 399 printf("indexed directories "); 400 if (fs->fs_flags & FS_ACLS) 401 printf("acls "); 402 if (fs->fs_flags & FS_MULTILABEL) 403 printf("multilabel "); 404 if (fs->fs_flags & FS_FLAGS_UPDATED) 405 printf("fs_flags expanded "); 406 if (fs->fs_flags & FS_DOWAPBL) 407 printf("wapbl "); 408 fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | 409 FS_INDEXDIRS | FS_ACLS | FS_MULTILABEL | 410 FS_FLAGS_UPDATED | FS_DOWAPBL); 411 if (fsflags != 0) 412 printf("unknown flags (%#x)", fsflags); 413 printf("\nfsmnt\t%s\n", fs->fs_fsmnt); 414 if (!printold) 415 printf("volname\t%s\tswuid\t%ju\n", 416 fs->fs_volname, (uintmax_t)fs->fs_swuid); 417 if (printold) { 418 if (fs->fs_old_cpc != 0) 419 printf("blocks available in each of %d rotational " 420 "positions\n", fs->fs_old_nrpos); 421 else 422 printf("(no rotational position table)\n\n"); 423 if (ISOPT(opt_verbose)) { 424 int c, j, k; 425 for (c = 0; c < fs->fs_old_cpc; c++) { 426 printf("cylinder number %d:", c); 427 for (i = 0; i < fs->fs_old_nrpos; i++) { 428 if (old_fs_postbl(&afs, c, opostbl)[i] == -1) 429 continue; 430 printf("\n position %d:\t", i); 431 for (j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; ; 432 j += old_fs_rotbl(&afs)[j], k++) { 433 printf("%5d", j); 434 if (k % 12 == 0) 435 printf("\n\t\t"); 436 if (old_fs_rotbl(&afs)[j] == 0) 437 break; 438 } 439 } 440 printf("\n"); 441 } 442 } 443 } 444 445 return 0; 446 } 447 448 int 449 print_cgsum(const char *name, int fd) 450 { 451 struct csum *ccsp; 452 int i, j, size; 453 454 afs.fs_csp = calloc(1, afs.fs_cssize); 455 for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { 456 size = afs.fs_cssize - i < afs.fs_bsize ? 457 afs.fs_cssize - i : afs.fs_bsize; 458 ccsp = (struct csum *)((char *)afs.fs_csp + i); 459 if (lseek(fd, 460 (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag))) * 461 dev_bsize, SEEK_SET) == (off_t)-1) 462 return 1; 463 if (read(fd, ccsp, size) != size) 464 return 1; 465 if (needswap) 466 ffs_csum_swap(ccsp, ccsp, size); 467 } 468 469 printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 470 for (i = 0; i < afs.fs_ncg; i++) { 471 struct csum *cs = &afs.fs_cs(&afs, i); 472 if (i && i % 4 == 0) 473 printf("\n\t"); 474 printf("(%d,%d,%d,%d) ", 475 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 476 } 477 printf("\n"); 478 if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) { 479 printf("cylinders in last group %d\n", 480 i = afs.fs_old_ncyl % afs.fs_old_cpg); 481 printf("blocks in last group %d\n", 482 i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift)); 483 } 484 free(afs.fs_csp); 485 afs.fs_csp = NULL; 486 487 return 0; 488 } 489 490 int 491 print_alt_super(const char *name, int fd) 492 { 493 union fsun alt; 494 int i; 495 off_t loc; 496 uint16_t alt_opostblsave[32*8]; 497 int save_printold; 498 499 for (i = 0; i < afs.fs_ncg; i++) { 500 loc = (off_t)(fsbtodb(&afs, cgsblock(&afs, i))) * dev_bsize; 501 printf("\nalternate %d\n", i); 502 if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) { 503 warnx("%s: error reading alt %d", name, i); 504 return (1); 505 } 506 save_printold = printold; 507 fix_superblock(&alt.fs, alt_opostblsave); 508 if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) { 509 printold = save_printold; 510 return 1; 511 } 512 printold = save_printold; 513 } 514 return 0; 515 } 516 517 int 518 print_cginfo(const char *name, int fd) 519 { 520 int i; 521 522 printf("\n"); 523 for (i = 0; i < afs.fs_ncg; i++) { 524 printf("\n"); 525 if (dumpcg(name, fd, i)) 526 return 1; 527 if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1)) 528 return 1; 529 } 530 return 0; 531 } 532 533 int 534 print_inodes(const char *name, int fd, int c, int n) 535 { 536 void *ino_buf = malloc(afs.fs_bsize); 537 void (*print_inode)(int, int, void *); 538 int i, inum; 539 540 if (ino_buf == 0) 541 return 1; 542 543 print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode; 544 545 for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) { 546 if (pread(fd, ino_buf, afs.fs_bsize, 547 ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) { 548 free(ino_buf); 549 return 1; 550 } 551 for (i = 0; i < afs.fs_inopb; i++) 552 print_inode(inum + i, i, ino_buf); 553 } 554 555 free(ino_buf); 556 return 0; 557 } 558 559 int 560 dumpcg(const char *name, int fd, int c) 561 { 562 off_t cur; 563 int i, j; 564 time_t t; 565 566 printf("cg %d:\n", c); 567 if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c))) * dev_bsize, 568 SEEK_SET)) == (off_t)-1) 569 return (1); 570 if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) { 571 warnx("%s: error reading cg", name); 572 return (1); 573 } 574 if (needswap) 575 ffs_cg_swap(&acg, &acg, &afs); 576 if (printold) 577 t = acg.cg_old_time; 578 else 579 t = acg.cg_time; 580 printf("magic\t%x\ttell\t%llx\ttime\t%s", 581 afs.fs_old_postblformat == FS_42POSTBLFMT ? 582 ((struct ocg *)&acg)->cg_magic : acg.cg_magic, 583 (long long)cur, ctime(&t)); 584 if (printold) 585 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 586 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 587 acg.cg_ndblk); 588 else 589 printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n", 590 acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk); 591 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 592 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 593 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 594 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 595 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 596 for (i = 1, j = 0; i < afs.fs_frag; i++) { 597 printf("\t%d", acg.cg_frsum[i]); 598 j += i * acg.cg_frsum[i]; 599 } 600 printf("\nsum of frsum: %d", j); 601 if (afs.fs_contigsumsize > 0) { 602 for (i = 1; i < afs.fs_contigsumsize; i++) { 603 if ((i - 1) % 8 == 0) 604 printf("\nclusters %d-%d:", i, 605 afs.fs_contigsumsize - 1 < i + 7 ? 606 afs.fs_contigsumsize - 1 : i + 7); 607 printf("\t%d", cg_clustersum(&acg, 0)[i]); 608 } 609 printf("\nclusters size %d and over: %d\n", 610 afs.fs_contigsumsize, 611 cg_clustersum(&acg, 0)[afs.fs_contigsumsize]); 612 printf("clusters free:\t"); 613 pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks); 614 } else 615 printf("\n"); 616 printf("iused:\t"); 617 pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg); 618 printf("free:\t"); 619 pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg); 620 if (printold && ISOPT(opt_verbose)) { 621 printf("b:\n"); 622 for (i = 0; i < afs.fs_old_cpg; i++) { 623 if (old_cg_blktot(&acg, 0)[i] == 0) 624 continue; 625 printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]); 626 for (j = 0; j < afs.fs_old_nrpos; j++) { 627 if (afs.fs_old_cpc > 0 && 628 old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1) 629 continue; 630 printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]); 631 } 632 printf("\n"); 633 } 634 } 635 return (0); 636 } 637 638 void 639 print_ufs1_inode(int inum, int i_off, void *ibuf) 640 { 641 struct ufs1_dinode *i = ibuf; 642 643 i += i_off; 644 645 if (needswap) 646 ffs_dinode1_swap(i,i); 647 648 if (afs.fs_old_inodefmt < FS_44INODEFMT) { 649 i->di_uid = i->di_ouid; 650 i->di_gid = i->di_ogid; 651 } 652 653 if (inum % afs.fs_ipg == 0) 654 printf(" inode: mode nlink size" 655 " ctime.nsec flags blocks" 656 " generation uid gid\n"); 657 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 658 return; 659 printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n", 660 inum, i->di_mode, i->di_nlink, i->di_size, 661 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 662 i->di_gen, i->di_uid, i->di_gid); 663 } 664 665 void 666 print_ufs2_inode(int inum, int i_off, void *ibuf) 667 { 668 struct ufs2_dinode *i = ibuf; 669 670 i += i_off; 671 672 if (needswap) 673 ffs_dinode2_swap(i,i); 674 675 if (inum % afs.fs_ipg == 0) 676 printf(" inode: mode nlink size" 677 " ctime.nsec flags blocks" 678 " generation uid gid\n"); 679 680 if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) 681 return; 682 683 printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n", 684 inum, i->di_mode, i->di_nlink, i->di_size, 685 i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, 686 i->di_gen, i->di_uid, i->di_gid); 687 } 688 689 690 void 691 pbits(int offset, void *vp, int max) 692 { 693 int i; 694 char *p; 695 int count, j; 696 697 for (count = i = 0, p = vp; i < max; i++) 698 if (isset(p, i)) { 699 if (count) 700 printf(",%s", count % 6 ? " " : "\n\t"); 701 count++; 702 printf("%d", offset + i); 703 j = i; 704 while ((i+1)<max && isset(p, i+1)) 705 i++; 706 if (i != j) 707 printf("-%d", offset + i); 708 } 709 printf("\n"); 710 } 711 712 void 713 usage(void) 714 { 715 716 (void)fprintf(stderr, "usage: dumpfs [-acFimsv] filesys | device [...]\n"); 717 exit(1); 718 } 719 720 int 721 openpartition(const char *name, int flags, char *device, size_t devicelen) 722 { 723 char rawspec[MAXPATHLEN], *p; 724 struct fstab *fs; 725 int fd, oerrno; 726 727 fs = getfsfile(name); 728 if (fs) { 729 if ((p = strrchr(fs->fs_spec, '/')) != NULL) { 730 snprintf(rawspec, sizeof(rawspec), "%.*s/r%s", 731 (int)(p - fs->fs_spec), fs->fs_spec, p + 1); 732 name = rawspec; 733 } else 734 name = fs->fs_spec; 735 } 736 fd = opendisk(name, flags, device, devicelen, 0); 737 if (fd == -1 && errno == ENOENT) { 738 oerrno = errno; 739 strlcpy(device, name, devicelen); 740 errno = oerrno; 741 } 742 return (fd); 743 } 744
Indexes created Wed Sep 24 05:09:52 GMT 2025