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
main(int argc,char * argv[])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
dumpfsid(void)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
dumpfs(const char * name,int dosb)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
dumpcg(void)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
dumpfreespace(const char * name,int fflag)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
dumpfreespacecg(int fflag)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
marshal(const char * name)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
pbits(void * vp,int max)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
pblklist(void * vp,int max,off_t offset,int fflag)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 *
ufserr(void)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
usage(void)542 usage(void)
543 {
544 (void)fprintf(stderr, "usage: dumpfs [-flm] filesys | device\n");
545 exit(1);
546 }
547