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 <string.h> 78 #include <unistd.h> 79 80 #define afs disk.d_fs 81 #define acg disk.d_cg 82 83 static struct uufsd disk; 84 85 static int dumpfs(const char *, int); 86 static int dumpfsid(void); 87 static int dumpcg(void); 88 static int dumpfreespace(const char *, int); 89 static void dumpfreespacecg(int); 90 static int marshal(const char *); 91 static void pbits(void *, int); 92 static void pblklist(void *, int, off_t, int); 93 static const char *ufserr(void); 94 static void usage(void) __dead2; 95 96 int 97 main(int argc, char *argv[]) 98 { 99 const char *name; 100 int ch, dofreespace, domarshal, dolabel, dosb, eval; 101 102 dofreespace = domarshal = dolabel = dosb = eval = 0; 103 104 while ((ch = getopt(argc, argv, "lfms")) != -1) { 105 switch (ch) { 106 case 'f': 107 dofreespace++; 108 break; 109 case 'm': 110 domarshal = 1; 111 break; 112 case 'l': 113 dolabel = 1; 114 break; 115 case 's': 116 dosb = 1; 117 break; 118 case '?': 119 default: 120 usage(); 121 } 122 } 123 argc -= optind; 124 argv += optind; 125 126 if (argc < 1) 127 usage(); 128 if (dofreespace && domarshal) 129 usage(); 130 if (dofreespace > 2) 131 usage(); 132 133 while ((name = *argv++) != NULL) { 134 if (ufs_disk_fillout_blank(&disk, name) == -1 || 135 sbfind(&disk, 0) == -1) { 136 printf("\n%s: %s\n", name, ufserr()); 137 eval |= 1; 138 continue; 139 } 140 if (dofreespace) 141 eval |= dumpfreespace(name, dofreespace); 142 else if (domarshal) 143 eval |= marshal(name); 144 else if (dolabel) 145 eval |= dumpfsid(); 146 else 147 eval |= dumpfs(name, dosb); 148 ufs_disk_close(&disk); 149 } 150 exit(eval); 151 } 152 153 static int 154 dumpfsid(void) 155 { 156 157 printf("%sufsid/%08x%08x\n", _PATH_DEV, afs.fs_id[0], afs.fs_id[1]); 158 return 0; 159 } 160 161 static int 162 dumpfs(const char *name, int dosb) 163 { 164 time_t fstime, fsmtime; 165 int64_t fssize; 166 int32_t fsflags; 167 int i, ret; 168 169 switch (disk.d_ufs) { 170 case 2: 171 fssize = afs.fs_size; 172 fstime = afs.fs_time; 173 fsmtime = afs.fs_mtime; 174 printf("magic\t%x (UFS2)\n", afs.fs_magic); 175 printf("last mounted time\t%s", ctime(&fsmtime)); 176 printf("last modified time\t%s", ctime(&fstime)); 177 printf("superblock location\t%jd\tid\t[ %08x %08x ]\n", 178 (intmax_t)afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]); 179 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 180 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 181 break; 182 case 1: 183 fssize = afs.fs_old_size; 184 fstime = afs.fs_old_time; 185 printf("magic\t%x (UFS1)\ttime\t%s", 186 afs.fs_magic, ctime(&fstime)); 187 printf("id\t[ %08x %08x ]\n", afs.fs_id[0], afs.fs_id[1]); 188 printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n", 189 afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize); 190 break; 191 default: 192 printf("Unknown filesystem type %d\n", disk.d_ufs); 193 return (1); 194 } 195 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 196 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); 197 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 198 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); 199 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 200 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); 201 printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n", 202 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", 203 afs.fs_maxsymlinklen); 204 switch (disk.d_ufs) { 205 case 2: 206 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 207 "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg, 208 afs.fs_maxcontig, afs.fs_contigsumsize); 209 printf("nbfree\t%jd\tndir\t%jd\tnifree\t%jd\tnffree\t%jd\n", 210 (intmax_t)afs.fs_cstotal.cs_nbfree, 211 (intmax_t)afs.fs_cstotal.cs_ndir, 212 (intmax_t)afs.fs_cstotal.cs_nifree, 213 (intmax_t)afs.fs_cstotal.cs_nffree); 214 printf("bpg\t%d\tfpg\t%d\tipg\t%d\tunrefs\t%jd\n", 215 afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg, 216 (intmax_t)afs.fs_unrefs); 217 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%ju\n", 218 afs.fs_nindir, afs.fs_inopb, 219 (uintmax_t)afs.fs_maxfilesize); 220 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n", 221 afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr, 222 afs.fs_cssize); 223 break; 224 case 1: 225 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 226 afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize); 227 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 228 afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir, 229 afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree); 230 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", 231 afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, 232 afs.fs_ipg); 233 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%ju\n", 234 afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf, 235 (uintmax_t)afs.fs_maxfilesize); 236 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", 237 afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset, 238 afs.fs_old_cgmask); 239 printf("csaddr\t%jd\tcssize\t%d\n", 240 (intmax_t)afs.fs_csaddr, afs.fs_cssize); 241 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n", 242 afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew, 243 afs.fs_old_interleave); 244 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n", 245 afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc); 246 break; 247 default: 248 printf("Unknown filesystem type %d\n", disk.d_ufs); 249 return (1); 250 } 251 printf("old_cpg\t%d\tsize_cg\t%zu\tCGSIZE\t%zu\n", 252 afs.fs_old_cpg, sizeof(struct cg), CGSIZE(&afs)); 253 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 254 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); 255 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n", 256 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean); 257 printf("metaspace %jd\tavgfpdir %d\tavgfilesize %d\n", 258 afs.fs_metaspace, afs.fs_avgfpdir, afs.fs_avgfilesize); 259 printf("flags\t"); 260 if (afs.fs_old_flags & FS_FLAGS_UPDATED) 261 fsflags = afs.fs_flags; 262 else 263 fsflags = afs.fs_old_flags; 264 if (fsflags == 0) 265 printf("none"); 266 if (fsflags & FS_UNCLEAN) 267 printf("unclean "); 268 if (fsflags & FS_DOSOFTDEP) 269 printf("soft-updates%s ", (fsflags & FS_SUJ) ? "+journal" : ""); 270 if (fsflags & FS_NEEDSFSCK) 271 printf("needs-fsck-run "); 272 if (fsflags & FS_INDEXDIRS) 273 printf("indexed-directories "); 274 if (fsflags & FS_ACLS) 275 printf("acls "); 276 if (fsflags & FS_MULTILABEL) 277 printf("multilabel "); 278 if (fsflags & FS_GJOURNAL) 279 printf("gjournal "); 280 if (fsflags & FS_FLAGS_UPDATED) 281 printf("fs_flags-expanded "); 282 if (fsflags & FS_NFS4ACLS) 283 printf("nfsv4acls "); 284 if (fsflags & FS_TRIM) 285 printf("trim "); 286 fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_METACKHASH | 287 FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | FS_FLAGS_UPDATED | 288 FS_NFS4ACLS | FS_SUJ | FS_TRIM | FS_INDEXDIRS); 289 if (fsflags != 0) 290 printf("unknown-flags (%#x)", fsflags); 291 putchar('\n'); 292 if (afs.fs_flags & FS_METACKHASH) { 293 printf("check hashes\t"); 294 fsflags = afs.fs_metackhash; 295 if (fsflags == 0) 296 printf("none"); 297 if (fsflags & CK_SUPERBLOCK) 298 printf("superblock "); 299 if (fsflags & CK_CYLGRP) 300 printf("cylinder-groups "); 301 if (fsflags & CK_INODE) 302 printf("inodes "); 303 if (fsflags & CK_INDIR) 304 printf("indirect-blocks "); 305 if (fsflags & CK_DIR) 306 printf("directories "); 307 } 308 fsflags &= ~(CK_SUPERBLOCK | CK_CYLGRP | CK_INODE | CK_INDIR | CK_DIR); 309 if (fsflags != 0) 310 printf("unknown flags (%#x)", fsflags); 311 putchar('\n'); 312 printf("fsmnt\t%s\n", afs.fs_fsmnt); 313 printf("volname\t%s\tswuid\t%ju\tprovidersize\t%ju\n", 314 afs.fs_volname, (uintmax_t)afs.fs_swuid, 315 (uintmax_t)afs.fs_providersize); 316 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 317 for (i = 0; i < afs.fs_ncg; i++) { 318 struct csum *cs = &afs.fs_cs(&afs, i); 319 if (i && i % 4 == 0) 320 printf("\n\t"); 321 printf("(%d,%d,%d,%d) ", 322 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 323 } 324 printf("\n"); 325 if (fssize % afs.fs_fpg) { 326 if (disk.d_ufs == 1) 327 printf("cylinders in last group %d\n", 328 howmany(afs.fs_old_size % afs.fs_fpg, 329 afs.fs_old_spc / afs.fs_old_nspf)); 330 printf("blocks in last group %ld\n\n", 331 (long)((fssize % afs.fs_fpg) / afs.fs_frag)); 332 } 333 if (dosb) 334 return (0); 335 ret = 0; 336 while ((i = cgread(&disk)) != 0) { 337 if (i == -1) { 338 ret = 1; 339 printf("\ncg %d: %s\n", disk.d_lcg, ufserr()); 340 } else if (dumpcg()) 341 ret = 1; 342 } 343 return (ret); 344 } 345 346 static int 347 dumpcg(void) 348 { 349 time_t cgtime; 350 off_t cur; 351 int i, j; 352 353 printf("\ncg %d:\n", disk.d_lcg); 354 cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize; 355 switch (disk.d_ufs) { 356 case 2: 357 cgtime = acg.cg_time; 358 printf("magic\t%x\ttell\t%jx\ttime\t%s", 359 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 360 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\tunrefs %d\n", 361 acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk, 362 acg.cg_unrefs); 363 break; 364 case 1: 365 cgtime = acg.cg_old_time; 366 printf("magic\t%x\ttell\t%jx\ttime\t%s", 367 acg.cg_magic, (intmax_t)cur, ctime(&cgtime)); 368 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 369 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 370 acg.cg_ndblk); 371 break; 372 default: 373 break; 374 } 375 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 376 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 377 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 378 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 379 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 380 for (i = 1, j = 0; i < afs.fs_frag; i++) { 381 printf("\t%d", acg.cg_frsum[i]); 382 j += i * acg.cg_frsum[i]; 383 } 384 printf("\nsum of frsum: %d", j); 385 if (afs.fs_contigsumsize > 0) { 386 for (i = 1; i < afs.fs_contigsumsize; i++) { 387 if ((i - 1) % 8 == 0) 388 printf("\nclusters %d-%d:", i, 389 MIN(afs.fs_contigsumsize - 1, i + 7)); 390 printf("\t%d", cg_clustersum(&acg)[i]); 391 } 392 printf("\nclusters size %d and over: %d\n", 393 afs.fs_contigsumsize, 394 cg_clustersum(&acg)[afs.fs_contigsumsize]); 395 printf("clusters free:\t"); 396 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks); 397 } else 398 printf("\n"); 399 printf("inodes used:\t"); 400 pbits(cg_inosused(&acg), afs.fs_ipg); 401 printf("blks free:\t"); 402 pbits(cg_blksfree(&acg), afs.fs_fpg); 403 return (0); 404 } 405 406 static int 407 dumpfreespace(const char *name, int fflag) 408 { 409 intmax_t startblkno; 410 int i, ret; 411 412 ret = 0; 413 while ((i = cgread(&disk)) != 0) { 414 if (i != -1) { 415 dumpfreespacecg(fflag); 416 } else { 417 startblkno = disk.d_lcg * afs.fs_fpg; 418 printf("\nBlocks %jd-%jd of cg %d skipped: %s\n", 419 startblkno, startblkno + afs.fs_fpg - 1, 420 disk.d_lcg, ufserr()); 421 ret = 1; 422 } 423 } 424 return (ret); 425 } 426 427 static void 428 dumpfreespacecg(int fflag) 429 { 430 431 pblklist(cg_blksfree(&acg), afs.fs_fpg, disk.d_lcg * afs.fs_fpg, 432 fflag); 433 } 434 435 static int 436 marshal(const char *name) 437 { 438 struct fs *fs; 439 440 fs = &disk.d_fs; 441 442 printf("# newfs command for %s (%s)\n", name, disk.d_name); 443 printf("newfs "); 444 if (fs->fs_volname[0] != '\0') 445 printf("-L %s ", fs->fs_volname); 446 printf("-O %d ", disk.d_ufs); 447 if (fs->fs_flags & FS_DOSOFTDEP) 448 printf("-U "); 449 printf("-a %d ", fs->fs_maxcontig); 450 printf("-b %d ", fs->fs_bsize); 451 /* -c is dumb */ 452 printf("-d %d ", fs->fs_maxbsize); 453 printf("-e %d ", fs->fs_maxbpg); 454 printf("-f %d ", fs->fs_fsize); 455 printf("-g %d ", fs->fs_avgfilesize); 456 printf("-h %d ", fs->fs_avgfpdir); 457 printf("-i %jd ", fragroundup(fs, lblktosize(fs, fragstoblks(fs, 458 fs->fs_fpg)) / fs->fs_ipg)); 459 if (fs->fs_flags & FS_SUJ) 460 printf("-j "); 461 if (fs->fs_flags & FS_GJOURNAL) 462 printf("-J "); 463 printf("-k %jd ", fs->fs_metaspace); 464 if (fs->fs_flags & FS_MULTILABEL) 465 printf("-l "); 466 printf("-m %d ", fs->fs_minfree); 467 /* -n unimplemented */ 468 printf("-o "); 469 switch (fs->fs_optim) { 470 case FS_OPTSPACE: 471 printf("space "); 472 break; 473 case FS_OPTTIME: 474 printf("time "); 475 break; 476 default: 477 printf("unknown "); 478 break; 479 } 480 /* -p..r unimplemented */ 481 printf("-s %jd ", (intmax_t)fsbtodb(fs, fs->fs_size)); 482 if (fs->fs_flags & FS_TRIM) 483 printf("-t "); 484 printf("%s ", disk.d_name); 485 printf("\n"); 486 487 return 0; 488 } 489 490 static void 491 pbits(void *vp, int max) 492 { 493 int i; 494 char *p; 495 int count, j; 496 497 for (count = i = 0, p = vp; i < max; i++) 498 if (isset(p, i)) { 499 if (count) 500 printf(",%s", count % 6 ? " " : "\n\t"); 501 count++; 502 printf("%d", i); 503 j = i; 504 while ((i+1)<max && isset(p, i+1)) 505 i++; 506 if (i != j) 507 printf("-%d", i); 508 } 509 printf("\n"); 510 } 511 512 static void 513 pblklist(void *vp, int max, off_t offset, int fflag) 514 { 515 int i, j; 516 char *p; 517 518 for (i = 0, p = vp; i < max; i++) { 519 if (isset(p, i)) { 520 printf("%jd", (intmax_t)(i + offset)); 521 if (fflag < 2) { 522 j = i; 523 while ((i+1)<max && isset(p, i+1)) 524 i++; 525 if (i != j) 526 printf("-%jd", (intmax_t)(i + offset)); 527 } 528 printf("\n"); 529 } 530 } 531 } 532 533 static const char * 534 ufserr(void) 535 { 536 if (disk.d_error != NULL) 537 return(disk.d_error); 538 if (errno) 539 return (strerror(errno)); 540 return ("unknown error"); 541 } 542 543 static void 544 usage(void) 545 { 546 (void)fprintf(stderr, "usage: dumpfs [-flm] filesys | device\n"); 547 exit(1); 548 } 549