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 static const char rcsid[] = 58 "$FreeBSD$"; 59 #endif /* not lint */ 60 61 #include <sys/param.h> 62 #include <sys/time.h> 63 #include <sys/disklabel.h> 64 65 #include <ufs/ufs/dinode.h> 66 #include <ufs/ffs/fs.h> 67 68 #include <err.h> 69 #include <errno.h> 70 #include <fcntl.h> 71 #include <fstab.h> 72 #include <libufs.h> 73 #include <paths.h> 74 #include <stdint.h> 75 #include <stdio.h> 76 #include <stdlib.h> 77 #include <unistd.h> 78 79 #define afs disk.d_fs 80 #define acg disk.d_cg 81 82 static struct uufsd disk; 83 84 static int dumpfs(const char *); 85 static int dumpfsid(void); 86 static int dumpcg(void); 87 static int dumpfreespace(const char *, int); 88 static void dumpfreespacecg(int); 89 static int marshal(const char *); 90 static void pbits(void *, int); 91 static void pblklist(void *, int, off_t, int); 92 static void ufserr(const char *); 93 static void usage(void) __dead2; 94 95 int 96 main(int argc, char *argv[]) 97 { 98 const char *name; 99 int ch, dofreespace, domarshal, dolabel, eval; 100 101 dofreespace = domarshal = dolabel = eval = 0; 102 103 while ((ch = getopt(argc, argv, "lfm")) != -1) { 104 switch (ch) { 105 case 'f': 106 dofreespace++; 107 break; 108 case 'm': 109 domarshal = 1; 110 break; 111 case 'l': 112 dolabel = 1; 113 break; 114 case '?': 115 default: 116 usage(); 117 } 118 } 119 argc -= optind; 120 argv += optind; 121 122 if (argc < 1) 123 usage(); 124 if (dofreespace && domarshal) 125 usage(); 126 if (dofreespace > 2) 127 usage(); 128 129 while ((name = *argv++) != NULL) { 130 if (ufs_disk_fillout(&disk, name) == -1) { 131 ufserr(name); 132 eval |= 1; 133 continue; 134 } 135 if (dofreespace) 136 eval |= dumpfreespace(name, dofreespace); 137 else if (domarshal) 138 eval |= marshal(name); 139 else if (dolabel) 140 eval |= dumpfsid(); 141 else 142 eval |= dumpfs(name); 143 ufs_disk_close(&disk); 144 } 145 exit(eval); 146 } 147 148 static int 149 dumpfsid(void) 150 { 151 152 printf("%sufsid/%08x%08x\n", _PATH_DEV, afs.fs_id[0], afs.fs_id[1]); 153 return 0; 154 } 155 156 static int 157 dumpfs(const char *name) 158 { 159 time_t fstime; 160 int64_t fssize; 161 int32_t fsflags; 162 int i; 163 164 switch (disk.d_ufs) { 165 case 2: 166 fssize = afs.fs_size; 167 fstime = afs.fs_time; 168 printf("magic\t%x (UFS2)\ttime\t%s", 169 afs.fs_magic, ctime(&fstime)); 170 printf("superblock location\t%jd\tid\t[ %08x %08x ]\n", 171 (intmax_t)afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]); 172 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 173 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 174 break; 175 case 1: 176 fssize = afs.fs_old_size; 177 fstime = afs.fs_old_time; 178 printf("magic\t%x (UFS1)\ttime\t%s", 179 afs.fs_magic, ctime(&fstime)); 180 printf("id\t[ %08x %08x ]\n", afs.fs_id[0], afs.fs_id[1]); 181 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 182 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 183 break; 184 default: 185 goto err; 186 } 187 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 188 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); 189 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 190 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); 191 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 192 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); 193 printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n", 194 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", 195 afs.fs_maxsymlinklen); 196 switch (disk.d_ufs) { 197 case 2: 198 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 199 "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg, 200 afs.fs_maxcontig, afs.fs_contigsumsize); 201 printf("nbfree\t%jd\tndir\t%jd\tnifree\t%jd\tnffree\t%jd\n", 202 (intmax_t)afs.fs_cstotal.cs_nbfree, 203 (intmax_t)afs.fs_cstotal.cs_ndir, 204 (intmax_t)afs.fs_cstotal.cs_nifree, 205 (intmax_t)afs.fs_cstotal.cs_nffree); 206 printf("bpg\t%d\tfpg\t%d\tipg\t%d\tunrefs\t%jd\n", 207 afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg, 208 (intmax_t)afs.fs_unrefs); 209 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%ju\n", 210 afs.fs_nindir, afs.fs_inopb, 211 (uintmax_t)afs.fs_maxfilesize); 212 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n", 213 afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr, 214 afs.fs_cssize); 215 break; 216 case 1: 217 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 218 afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize); 219 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 220 afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir, 221 afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree); 222 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", 223 afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, 224 afs.fs_ipg); 225 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%ju\n", 226 afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf, 227 (uintmax_t)afs.fs_maxfilesize); 228 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", 229 afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset, 230 afs.fs_old_cgmask); 231 printf("csaddr\t%d\tcssize\t%d\n", 232 afs.fs_old_csaddr, afs.fs_cssize); 233 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n", 234 afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew, 235 afs.fs_old_interleave); 236 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n", 237 afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc); 238 break; 239 default: 240 goto err; 241 } 242 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 243 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); 244 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n", 245 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean); 246 printf("metaspace %jd\tavgfpdir %d\tavgfilesize %d\n", 247 afs.fs_metaspace, afs.fs_avgfpdir, afs.fs_avgfilesize); 248 printf("flags\t"); 249 if (afs.fs_old_flags & FS_FLAGS_UPDATED) 250 fsflags = afs.fs_flags; 251 else 252 fsflags = afs.fs_old_flags; 253 if (fsflags == 0) 254 printf("none"); 255 if (fsflags & FS_UNCLEAN) 256 printf("unclean "); 257 if (fsflags & FS_DOSOFTDEP) 258 printf("soft-updates%s ", (fsflags & FS_SUJ) ? "+journal" : ""); 259 if (fsflags & FS_NEEDSFSCK) 260 printf("needs fsck run "); 261 if (fsflags & FS_INDEXDIRS) 262 printf("indexed directories "); 263 if (fsflags & FS_ACLS) 264 printf("acls "); 265 if (fsflags & FS_MULTILABEL) 266 printf("multilabel "); 267 if (fsflags & FS_GJOURNAL) 268 printf("gjournal "); 269 if (fsflags & FS_FLAGS_UPDATED) 270 printf("fs_flags expanded "); 271 if (fsflags & FS_NFS4ACLS) 272 printf("nfsv4acls "); 273 if (fsflags & FS_TRIM) 274 printf("trim "); 275 fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS | 276 FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | FS_FLAGS_UPDATED | 277 FS_NFS4ACLS | FS_SUJ | FS_TRIM); 278 if (fsflags != 0) 279 printf("unknown flags (%#x)", fsflags); 280 putchar('\n'); 281 printf("check hashes\t"); 282 fsflags = afs.fs_metackhash; 283 if (fsflags == 0) 284 printf("none"); 285 if (fsflags & CK_SUPERBLOCK) 286 printf("superblock "); 287 if (fsflags & CK_CYLGRP) 288 printf("cylinder-groups "); 289 if (fsflags & CK_INODE) 290 printf("inodes "); 291 if (fsflags & CK_INDIR) 292 printf("indirect-blocks "); 293 if (fsflags & CK_DIR) 294 printf("directories "); 295 fsflags &= ~(CK_SUPERBLOCK | CK_CYLGRP | CK_INODE | CK_INDIR | CK_DIR); 296 if (fsflags != 0) 297 printf("unknown flags (%#x)", fsflags); 298 putchar('\n'); 299 printf("fsmnt\t%s\n", afs.fs_fsmnt); 300 printf("volname\t%s\tswuid\t%ju\tprovidersize\t%ju\n", 301 afs.fs_volname, (uintmax_t)afs.fs_swuid, 302 (uintmax_t)afs.fs_providersize); 303 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 304 afs.fs_csp = calloc(1, afs.fs_cssize); 305 if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1) 306 goto err; 307 for (i = 0; i < afs.fs_ncg; i++) { 308 struct csum *cs = &afs.fs_cs(&afs, i); 309 if (i && i % 4 == 0) 310 printf("\n\t"); 311 printf("(%d,%d,%d,%d) ", 312 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 313 } 314 printf("\n"); 315 if (fssize % afs.fs_fpg) { 316 if (disk.d_ufs == 1) 317 printf("cylinders in last group %d\n", 318 howmany(afs.fs_old_size % afs.fs_fpg, 319 afs.fs_old_spc / afs.fs_old_nspf)); 320 printf("blocks in last group %ld\n\n", 321 (long)((fssize % afs.fs_fpg) / afs.fs_frag)); 322 } 323 while ((i = cgread(&disk)) != 0) { 324 if (i == -1 || dumpcg()) 325 goto err; 326 } 327 return (0); 328 329 err: ufserr(name); 330 return (1); 331 } 332 333 static int 334 dumpcg(void) 335 { 336 time_t cgtime; 337 off_t cur; 338 int i, j; 339 340 printf("\ncg %d:\n", disk.d_lcg); 341 cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize; 342 switch (disk.d_ufs) { 343 case 2: 344 cgtime = acg.cg_time; 345 printf("magic\t%x\ttell\t%jx\ttime\t%s", 346 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 347 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\tunrefs %d\n", 348 acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk, 349 acg.cg_unrefs); 350 break; 351 case 1: 352 cgtime = acg.cg_old_time; 353 printf("magic\t%x\ttell\t%jx\ttime\t%s", 354 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 355 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 356 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 357 acg.cg_ndblk); 358 break; 359 default: 360 break; 361 } 362 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 363 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 364 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 365 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 366 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 367 for (i = 1, j = 0; i < afs.fs_frag; i++) { 368 printf("\t%d", acg.cg_frsum[i]); 369 j += i * acg.cg_frsum[i]; 370 } 371 printf("\nsum of frsum: %d", j); 372 if (afs.fs_contigsumsize > 0) { 373 for (i = 1; i < afs.fs_contigsumsize; i++) { 374 if ((i - 1) % 8 == 0) 375 printf("\nclusters %d-%d:", i, 376 MIN(afs.fs_contigsumsize - 1, i + 7)); 377 printf("\t%d", cg_clustersum(&acg)[i]); 378 } 379 printf("\nclusters size %d and over: %d\n", 380 afs.fs_contigsumsize, 381 cg_clustersum(&acg)[afs.fs_contigsumsize]); 382 printf("clusters free:\t"); 383 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks); 384 } else 385 printf("\n"); 386 printf("inodes used:\t"); 387 pbits(cg_inosused(&acg), afs.fs_ipg); 388 printf("blks free:\t"); 389 pbits(cg_blksfree(&acg), afs.fs_fpg); 390 return (0); 391 } 392 393 static int 394 dumpfreespace(const char *name, int fflag) 395 { 396 int i; 397 398 while ((i = cgread(&disk)) != 0) { 399 if (i == -1) 400 goto err; 401 dumpfreespacecg(fflag); 402 } 403 return (0); 404 err: 405 ufserr(name); 406 return (1); 407 } 408 409 static void 410 dumpfreespacecg(int fflag) 411 { 412 413 pblklist(cg_blksfree(&acg), afs.fs_fpg, disk.d_lcg * afs.fs_fpg, 414 fflag); 415 } 416 417 static int 418 marshal(const char *name) 419 { 420 struct fs *fs; 421 422 fs = &disk.d_fs; 423 424 printf("# newfs command for %s (%s)\n", name, disk.d_name); 425 printf("newfs "); 426 if (fs->fs_volname[0] != '\0') 427 printf("-L %s ", fs->fs_volname); 428 printf("-O %d ", disk.d_ufs); 429 if (fs->fs_flags & FS_DOSOFTDEP) 430 printf("-U "); 431 printf("-a %d ", fs->fs_maxcontig); 432 printf("-b %d ", fs->fs_bsize); 433 /* -c is dumb */ 434 printf("-d %d ", fs->fs_maxbsize); 435 printf("-e %d ", fs->fs_maxbpg); 436 printf("-f %d ", fs->fs_fsize); 437 printf("-g %d ", fs->fs_avgfilesize); 438 printf("-h %d ", fs->fs_avgfpdir); 439 printf("-i %jd ", fragroundup(fs, lblktosize(fs, fragstoblks(fs, 440 fs->fs_fpg)) / fs->fs_ipg)); 441 if (fs->fs_flags & FS_SUJ) 442 printf("-j "); 443 if (fs->fs_flags & FS_GJOURNAL) 444 printf("-J "); 445 printf("-k %jd ", fs->fs_metaspace); 446 if (fs->fs_flags & FS_MULTILABEL) 447 printf("-l "); 448 printf("-m %d ", fs->fs_minfree); 449 /* -n unimplemented */ 450 printf("-o "); 451 switch (fs->fs_optim) { 452 case FS_OPTSPACE: 453 printf("space "); 454 break; 455 case FS_OPTTIME: 456 printf("time "); 457 break; 458 default: 459 printf("unknown "); 460 break; 461 } 462 /* -p..r unimplemented */ 463 printf("-s %jd ", (intmax_t)fsbtodb(fs, fs->fs_size)); 464 if (fs->fs_flags & FS_TRIM) 465 printf("-t "); 466 printf("%s ", disk.d_name); 467 printf("\n"); 468 469 return 0; 470 } 471 472 static void 473 pbits(void *vp, int max) 474 { 475 int i; 476 char *p; 477 int count, j; 478 479 for (count = i = 0, p = vp; i < max; i++) 480 if (isset(p, i)) { 481 if (count) 482 printf(",%s", count % 6 ? " " : "\n\t"); 483 count++; 484 printf("%d", i); 485 j = i; 486 while ((i+1)<max && isset(p, i+1)) 487 i++; 488 if (i != j) 489 printf("-%d", i); 490 } 491 printf("\n"); 492 } 493 494 static void 495 pblklist(void *vp, int max, off_t offset, int fflag) 496 { 497 int i, j; 498 char *p; 499 500 for (i = 0, p = vp; i < max; i++) { 501 if (isset(p, i)) { 502 printf("%jd", (intmax_t)(i + offset)); 503 if (fflag < 2) { 504 j = i; 505 while ((i+1)<max && isset(p, i+1)) 506 i++; 507 if (i != j) 508 printf("-%jd", (intmax_t)(i + offset)); 509 } 510 printf("\n"); 511 } 512 } 513 } 514 515 static void 516 ufserr(const char *name) 517 { 518 if (disk.d_error != NULL) 519 warnx("%s: %s", name, disk.d_error); 520 else if (errno) 521 warn("%s", name); 522 } 523 524 static void 525 usage(void) 526 { 527 (void)fprintf(stderr, "usage: dumpfs [-flm] filesys | device\n"); 528 exit(1); 529 } 530