1 /* 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2009 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * This software was developed at the University of Cambridge Computer 8 * Laboratory with support from a grant from Google, Inc. 9 * 10 * Copyright (c) 2002 Networks Associates Technology, Inc. 11 * All rights reserved. 12 * 13 * This software was developed for the FreeBSD Project by Marshall 14 * Kirk McKusick and Network Associates Laboratories, the Security 15 * Research Division of Network Associates, Inc. under DARPA/SPAWAR 16 * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS 17 * research program. 18 * 19 * Copyright (c) 1983, 1992, 1993 20 * The Regents of the University of California. All rights reserved. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the above copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. Neither the name of the University nor the names of its contributors 31 * may be used to endorse or promote products derived from this software 32 * without specific prior written permission. 33 * 34 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 35 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 36 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 37 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 38 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 39 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 40 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 41 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 42 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 43 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 44 * SUCH DAMAGE. 45 */ 46 47 #ifndef lint 48 static const char copyright[] = 49 "@(#) Copyright (c) 1983, 1992, 1993\n\ 50 The Regents of the University of California. All rights reserved.\n"; 51 #endif /* not lint */ 52 53 #ifndef lint 54 #if 0 55 static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95"; 56 #endif 57 #endif /* not lint */ 58 59 #include <sys/param.h> 60 #include <sys/time.h> 61 #include <sys/disklabel.h> 62 63 #include <ufs/ufs/dinode.h> 64 #include <ufs/ffs/fs.h> 65 66 #include <err.h> 67 #include <errno.h> 68 #include <fcntl.h> 69 #include <fstab.h> 70 #include <libufs.h> 71 #include <paths.h> 72 #include <stdint.h> 73 #include <stdio.h> 74 #include <stdlib.h> 75 #include <string.h> 76 #include <unistd.h> 77 78 #define afs disk.d_fs 79 #define acg disk.d_cg 80 81 static struct uufsd disk; 82 83 static int dumpfs(const char *, int); 84 static int dumpfsid(void); 85 static int dumpcg(void); 86 static int dumpfreespace(const char *, int); 87 static void dumpfreespacecg(int); 88 static int marshal(const char *); 89 static void pbits(void *, int); 90 static void pblklist(void *, int, off_t, int); 91 static const char *ufserr(void); 92 static void usage(void) __dead2; 93 94 int 95 main(int argc, char *argv[]) 96 { 97 const char *name; 98 int ch, dofreespace, domarshal, dolabel, dosb, eval; 99 100 dofreespace = domarshal = dolabel = dosb = eval = 0; 101 102 while ((ch = getopt(argc, argv, "lfms")) != -1) { 103 switch (ch) { 104 case 'f': 105 dofreespace++; 106 break; 107 case 'm': 108 domarshal = 1; 109 break; 110 case 'l': 111 dolabel = 1; 112 break; 113 case 's': 114 dosb = 1; 115 break; 116 case '?': 117 default: 118 usage(); 119 } 120 } 121 argc -= optind; 122 argv += optind; 123 124 if (argc < 1) 125 usage(); 126 if (dofreespace && domarshal) 127 usage(); 128 if (dofreespace > 2) 129 usage(); 130 131 while ((name = *argv++) != NULL) { 132 if (ufs_disk_fillout_blank(&disk, name) == -1 || 133 sbfind(&disk, 0) == -1) { 134 printf("\n%s: %s\n", name, ufserr()); 135 eval |= 1; 136 continue; 137 } 138 if (dofreespace) 139 eval |= dumpfreespace(name, dofreespace); 140 else if (domarshal) 141 eval |= marshal(name); 142 else if (dolabel) 143 eval |= dumpfsid(); 144 else 145 eval |= dumpfs(name, dosb); 146 ufs_disk_close(&disk); 147 } 148 exit(eval); 149 } 150 151 static int 152 dumpfsid(void) 153 { 154 155 printf("%sufsid/%08x%08x\n", _PATH_DEV, afs.fs_id[0], afs.fs_id[1]); 156 return 0; 157 } 158 159 static int 160 dumpfs(const char *name, int dosb) 161 { 162 time_t fstime, fsmtime; 163 int64_t fssize; 164 int32_t fsflags; 165 int i, ret; 166 167 switch (disk.d_ufs) { 168 case 2: 169 fssize = afs.fs_size; 170 fstime = afs.fs_time; 171 fsmtime = afs.fs_mtime; 172 printf("magic\t%x (UFS2)\n", afs.fs_magic); 173 printf("last mounted time\t%s", ctime(&fsmtime)); 174 printf("last modified time\t%s", ctime(&fstime)); 175 printf("superblock location\t%jd\tid\t[ %08x %08x ]\n", 176 (intmax_t)afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]); 177 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 178 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 179 break; 180 case 1: 181 fssize = afs.fs_old_size; 182 fstime = afs.fs_old_time; 183 printf("magic\t%x (UFS1)\ttime\t%s", 184 afs.fs_magic, ctime(&fstime)); 185 printf("id\t[ %08x %08x ]\n", afs.fs_id[0], afs.fs_id[1]); 186 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 187 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 188 break; 189 default: 190 printf("Unknown filesystem type %d\n", disk.d_ufs); 191 return (1); 192 } 193 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 194 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); 195 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 196 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); 197 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 198 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); 199 printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n", 200 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", 201 afs.fs_maxsymlinklen); 202 switch (disk.d_ufs) { 203 case 2: 204 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 205 "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg, 206 afs.fs_maxcontig, afs.fs_contigsumsize); 207 printf("nbfree\t%jd\tndir\t%jd\tnifree\t%jd\tnffree\t%jd\n", 208 (intmax_t)afs.fs_cstotal.cs_nbfree, 209 (intmax_t)afs.fs_cstotal.cs_ndir, 210 (intmax_t)afs.fs_cstotal.cs_nifree, 211 (intmax_t)afs.fs_cstotal.cs_nffree); 212 printf("bpg\t%d\tfpg\t%d\tipg\t%d\tunrefs\t%jd\n", 213 afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg, 214 (intmax_t)afs.fs_unrefs); 215 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%ju\n", 216 afs.fs_nindir, afs.fs_inopb, 217 (uintmax_t)afs.fs_maxfilesize); 218 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n", 219 afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr, 220 afs.fs_cssize); 221 break; 222 case 1: 223 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 224 afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize); 225 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 226 afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir, 227 afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree); 228 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", 229 afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, 230 afs.fs_ipg); 231 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%ju\n", 232 afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf, 233 (uintmax_t)afs.fs_maxfilesize); 234 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", 235 afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset, 236 afs.fs_old_cgmask); 237 printf("csaddr\t%jd\tcssize\t%d\n", 238 (intmax_t)afs.fs_csaddr, afs.fs_cssize); 239 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n", 240 afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew, 241 afs.fs_old_interleave); 242 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n", 243 afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc); 244 break; 245 default: 246 printf("Unknown filesystem type %d\n", disk.d_ufs); 247 return (1); 248 } 249 printf("old_cpg\t%d\tsize_cg\t%zu\tCGSIZE\t%zu\n", 250 afs.fs_old_cpg, sizeof(struct cg), CGSIZE(&afs)); 251 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 252 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); 253 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n", 254 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean); 255 printf("metaspace %jd\tavgfpdir %d\tavgfilesize %d\n", 256 afs.fs_metaspace, afs.fs_avgfpdir, afs.fs_avgfilesize); 257 printf("flags\t"); 258 if (afs.fs_old_flags & FS_FLAGS_UPDATED) 259 fsflags = afs.fs_flags; 260 else 261 fsflags = afs.fs_old_flags; 262 if (fsflags == 0) 263 printf("none"); 264 if (fsflags & FS_UNCLEAN) 265 printf("unclean "); 266 if (fsflags & FS_DOSOFTDEP) 267 printf("soft-updates%s ", (fsflags & FS_SUJ) ? "+journal" : ""); 268 if (fsflags & FS_NEEDSFSCK) 269 printf("needs-fsck-run "); 270 if (fsflags & FS_INDEXDIRS) 271 printf("indexed-directories "); 272 if (fsflags & FS_ACLS) 273 printf("acls "); 274 if (fsflags & FS_MULTILABEL) 275 printf("multilabel "); 276 if (fsflags & FS_GJOURNAL) 277 printf("gjournal "); 278 if (fsflags & FS_FLAGS_UPDATED) 279 printf("fs_flags-expanded "); 280 if (fsflags & FS_NFS4ACLS) 281 printf("nfsv4acls "); 282 if (fsflags & FS_TRIM) 283 printf("trim "); 284 fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_METACKHASH | 285 FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | FS_FLAGS_UPDATED | 286 FS_NFS4ACLS | FS_SUJ | FS_TRIM | FS_INDEXDIRS); 287 if (fsflags != 0) 288 printf("unknown-flags (%#x)", fsflags); 289 putchar('\n'); 290 if (afs.fs_flags & FS_METACKHASH) { 291 printf("check hashes\t"); 292 fsflags = afs.fs_metackhash; 293 if (fsflags == 0) 294 printf("none"); 295 if (fsflags & CK_SUPERBLOCK) 296 printf("superblock "); 297 if (fsflags & CK_CYLGRP) 298 printf("cylinder-groups "); 299 if (fsflags & CK_INODE) 300 printf("inodes "); 301 if (fsflags & CK_INDIR) 302 printf("indirect-blocks "); 303 if (fsflags & CK_DIR) 304 printf("directories "); 305 } 306 fsflags &= ~(CK_SUPERBLOCK | CK_CYLGRP | CK_INODE | CK_INDIR | CK_DIR); 307 if (fsflags != 0) 308 printf("unknown flags (%#x)", fsflags); 309 putchar('\n'); 310 printf("fsmnt\t%s\n", afs.fs_fsmnt); 311 printf("volname\t%s\tswuid\t%ju\tprovidersize\t%ju\n", 312 afs.fs_volname, (uintmax_t)afs.fs_swuid, 313 (uintmax_t)afs.fs_providersize); 314 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 315 for (i = 0; i < afs.fs_ncg; i++) { 316 struct csum *cs = &afs.fs_cs(&afs, i); 317 if (i && i % 4 == 0) 318 printf("\n\t"); 319 printf("(%d,%d,%d,%d) ", 320 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 321 } 322 printf("\n"); 323 if (fssize % afs.fs_fpg) { 324 if (disk.d_ufs == 1) 325 printf("cylinders in last group %d\n", 326 howmany(afs.fs_old_size % afs.fs_fpg, 327 afs.fs_old_spc / afs.fs_old_nspf)); 328 printf("blocks in last group %ld\n\n", 329 (long)((fssize % afs.fs_fpg) / afs.fs_frag)); 330 } 331 if (dosb) 332 return (0); 333 ret = 0; 334 while ((i = cgread(&disk)) != 0) { 335 if (i == -1) { 336 ret = 1; 337 printf("\ncg %d: %s\n", disk.d_lcg, ufserr()); 338 } else if (dumpcg()) 339 ret = 1; 340 } 341 return (ret); 342 } 343 344 static int 345 dumpcg(void) 346 { 347 time_t cgtime; 348 off_t cur; 349 int i, j; 350 351 printf("\ncg %d:\n", disk.d_lcg); 352 cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize; 353 switch (disk.d_ufs) { 354 case 2: 355 cgtime = acg.cg_time; 356 printf("magic\t%x\ttell\t%jx\ttime\t%s", 357 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 358 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\tunrefs %d\n", 359 acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk, 360 acg.cg_unrefs); 361 break; 362 case 1: 363 cgtime = acg.cg_old_time; 364 printf("magic\t%x\ttell\t%jx\ttime\t%s", 365 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 366 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 367 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 368 acg.cg_ndblk); 369 break; 370 default: 371 break; 372 } 373 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 374 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 375 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 376 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 377 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 378 for (i = 1, j = 0; i < afs.fs_frag; i++) { 379 printf("\t%d", acg.cg_frsum[i]); 380 j += i * acg.cg_frsum[i]; 381 } 382 printf("\nsum of frsum: %d", j); 383 if (afs.fs_contigsumsize > 0) { 384 for (i = 1; i < afs.fs_contigsumsize; i++) { 385 if ((i - 1) % 8 == 0) 386 printf("\nclusters %d-%d:", i, 387 MIN(afs.fs_contigsumsize - 1, i + 7)); 388 printf("\t%d", cg_clustersum(&acg)[i]); 389 } 390 printf("\nclusters size %d and over: %d\n", 391 afs.fs_contigsumsize, 392 cg_clustersum(&acg)[afs.fs_contigsumsize]); 393 printf("clusters free:\t"); 394 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks); 395 } else 396 printf("\n"); 397 printf("inodes used:\t"); 398 pbits(cg_inosused(&acg), afs.fs_ipg); 399 printf("blks free:\t"); 400 pbits(cg_blksfree(&acg), afs.fs_fpg); 401 return (0); 402 } 403 404 static int 405 dumpfreespace(const char *name, int fflag) 406 { 407 intmax_t startblkno; 408 int i, ret; 409 410 ret = 0; 411 while ((i = cgread(&disk)) != 0) { 412 if (i != -1) { 413 dumpfreespacecg(fflag); 414 } else { 415 startblkno = disk.d_lcg * afs.fs_fpg; 416 printf("\nBlocks %jd-%jd of cg %d skipped: %s\n", 417 startblkno, startblkno + afs.fs_fpg - 1, 418 disk.d_lcg, ufserr()); 419 ret = 1; 420 } 421 } 422 return (ret); 423 } 424 425 static void 426 dumpfreespacecg(int fflag) 427 { 428 429 pblklist(cg_blksfree(&acg), afs.fs_fpg, disk.d_lcg * afs.fs_fpg, 430 fflag); 431 } 432 433 static int 434 marshal(const char *name) 435 { 436 struct fs *fs; 437 438 fs = &disk.d_fs; 439 440 printf("# newfs command for %s (%s)\n", name, disk.d_name); 441 printf("newfs "); 442 if (fs->fs_volname[0] != '\0') 443 printf("-L %s ", fs->fs_volname); 444 printf("-O %d ", disk.d_ufs); 445 if (fs->fs_flags & FS_DOSOFTDEP) 446 printf("-U "); 447 printf("-a %d ", fs->fs_maxcontig); 448 printf("-b %d ", fs->fs_bsize); 449 /* -c is dumb */ 450 printf("-d %d ", fs->fs_maxbsize); 451 printf("-e %d ", fs->fs_maxbpg); 452 printf("-f %d ", fs->fs_fsize); 453 printf("-g %d ", fs->fs_avgfilesize); 454 printf("-h %d ", fs->fs_avgfpdir); 455 printf("-i %jd ", fragroundup(fs, lblktosize(fs, fragstoblks(fs, 456 fs->fs_fpg)) / fs->fs_ipg)); 457 if (fs->fs_flags & FS_SUJ) 458 printf("-j "); 459 if (fs->fs_flags & FS_GJOURNAL) 460 printf("-J "); 461 printf("-k %jd ", fs->fs_metaspace); 462 if (fs->fs_flags & FS_MULTILABEL) 463 printf("-l "); 464 printf("-m %d ", fs->fs_minfree); 465 /* -n unimplemented */ 466 printf("-o "); 467 switch (fs->fs_optim) { 468 case FS_OPTSPACE: 469 printf("space "); 470 break; 471 case FS_OPTTIME: 472 printf("time "); 473 break; 474 default: 475 printf("unknown "); 476 break; 477 } 478 /* -p..r unimplemented */ 479 printf("-s %jd ", (intmax_t)fsbtodb(fs, fs->fs_size)); 480 if (fs->fs_flags & FS_TRIM) 481 printf("-t "); 482 printf("%s ", disk.d_name); 483 printf("\n"); 484 485 return 0; 486 } 487 488 static void 489 pbits(void *vp, int max) 490 { 491 int i; 492 char *p; 493 int count, j; 494 495 for (count = i = 0, p = vp; i < max; i++) 496 if (isset(p, i)) { 497 if (count) 498 printf(",%s", count % 6 ? " " : "\n\t"); 499 count++; 500 printf("%d", i); 501 j = i; 502 while ((i+1)<max && isset(p, i+1)) 503 i++; 504 if (i != j) 505 printf("-%d", i); 506 } 507 printf("\n"); 508 } 509 510 static void 511 pblklist(void *vp, int max, off_t offset, int fflag) 512 { 513 int i, j; 514 char *p; 515 516 for (i = 0, p = vp; i < max; i++) { 517 if (isset(p, i)) { 518 printf("%jd", (intmax_t)(i + offset)); 519 if (fflag < 2) { 520 j = i; 521 while ((i+1)<max && isset(p, i+1)) 522 i++; 523 if (i != j) 524 printf("-%jd", (intmax_t)(i + offset)); 525 } 526 printf("\n"); 527 } 528 } 529 } 530 531 static const char * 532 ufserr(void) 533 { 534 if (disk.d_error != NULL) 535 return(disk.d_error); 536 if (errno) 537 return (strerror(errno)); 538 return ("unknown error"); 539 } 540 541 static void 542 usage(void) 543 { 544 (void)fprintf(stderr, "usage: dumpfs [-flm] filesys | device\n"); 545 exit(1); 546 } 547