sbin/dumpfs/dumpfs.c

   1 /*
   2  * Copyright (c) 2002 Networks Associates Technology, Inc.
   3  * All rights reserved.
   4  *
   5  * This software was developed for the FreeBSD Project by Marshall
   6  * Kirk McKusick and Network Associates Laboratories, the Security
   7  * Research Division of Network Associates, Inc. under DARPA/SPAWAR
   8  * contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
   9  * research program
  10  *
  11  * Copyright (c) 1982, 1989, 1993
  12  *      The Regents of the University of California.  All rights reserved.
  13  * (c) UNIX System Laboratories, Inc.
  14  * Copyright (c) 1983, 1992, 1993
  15  *      The Regents of the University of California.  All rights reserved.
  16  *
  17  * Redistribution and use in source and binary forms, with or without
  18  * modification, are permitted provided that the following conditions
  19  * are met:
  20  * 1. Redistributions of source code must retain the above copyright
  21  *    notice, this list of conditions and the following disclaimer.
  22  * 2. Redistributions in binary form must reproduce the above copyright
  23  *    notice, this list of conditions and the following disclaimer in the
  24  *    documentation and/or other materials provided with the distribution.
  25  * 3. All advertising materials mentioning features or use of this software
  26  *    must display the following acknowledgement:
  27  *      This product includes software developed by the University of
  28  *      California, Berkeley and its contributors.
  29  * 4. Neither the name of the University nor the names of its contributors
  30  *    may be used to endorse or promote products derived from this software
  31  *    without specific prior written permission.
  32  *
  33  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  34  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  35  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  36  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  37  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  41  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  42  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  43  * SUCH DAMAGE.
  44  */
  45
  46 #ifndef lint
  47 static const char copyright[] =
  48 "@(#) Copyright (c) 1983, 1992, 1993\n\
  49         The Regents of the University of California.  All rights reserved.\n";
  50 #endif /* not lint */
  51
  52 #ifndef lint
  53 #if 0
  54 static char sccsid[] = "@(#)dumpfs.c    8.5 (Berkeley) 4/29/95";
  55 #endif
  56 static const char rcsid[] =
  57   "$FreeBSD$";
  58 #endif /* not lint */
  59
  60 #include <sys/param.h>
  61 #include <sys/time.h>
  62 #include <sys/disklabel.h>
  63
  64 #include <ufs/ufs/dinode.h>
  65 #include <ufs/ffs/fs.h>
  66
  67 #include <err.h>
  68 #include <errno.h>
  69 #include <fcntl.h>
  70 #include <fstab.h>
  71 #include <libufs.h>
  72 #include <stdint.h>
  73 #include <stdio.h>
  74 #include <stdlib.h>
  75 #include <unistd.h>
  76
  77 #define afs     disk.d_fs
  78 #define acg     disk.d_cg
  79
  80 struct uufsd disk;
  81
  82 int     dumpfs(const char *);
  83 int     dumpcg(void);
  84 int     marshal(const char *);
  85 void    pbits(void *, int);
  86 void    ufserr(const char *);
  87 void    usage(void) __dead2;
  88
  89 int
  90 main(int argc, char *argv[])
  91 {
  92         const char *name;
  93         int ch, domarshal, eval;
  94
  95         domarshal = eval = 0;
  96
  97         while ((ch = getopt(argc, argv, "m")) != -1) {
  98                 switch (ch) {
  99                 case 'm':
 100                         domarshal = 1;
 101                         break;
 102                 case '?':
 103                 default:
 104                         usage();
 105                 }
 106         }
 107         argc -= optind;
 108         argv += optind;
 109
 110         if (argc < 1)
 111                 usage();
 112
 113         while ((name = *argv++) != NULL) {
 114                 if (ufs_disk_fillout(&disk, name) == -1) {
 115                         ufserr(name);
 116                         eval |= 1;
 117                         continue;
 118                 }
 119                 if (domarshal)
 120                         eval |= marshal(name);
 121                 else
 122                         eval |= dumpfs(name);
 123                 ufs_disk_close(&disk);
 124         }
 125         exit(eval);
 126 }
 127
 128 int
 129 dumpfs(const char *name)
 130 {
 131         time_t fstime;
 132         int64_t fssize;
 133         int i;
 134
 135         switch (disk.d_ufs) {
 136         case 2:
 137                 fssize = afs.fs_size;
 138                 fstime = afs.fs_time;
 139                 printf("magic\t%x (UFS2)\ttime\t%s",
 140                     afs.fs_magic, ctime(&fstime));
 141                 printf("superblock location\t%qd\tid\t[ %x %x ]\n",
 142                     afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]);
 143                 printf("ncg\t%d\tsize\t%qd\tblocks\t%jd\n",
 144                     afs.fs_ncg, fssize, (intmax_t)afs.fs_dsize);
 145                 break;
 146         case 1:
 147                 fssize = afs.fs_old_size;
 148                 fstime = afs.fs_old_time;
 149                 printf("magic\t%x (UFS1)\ttime\t%s",
 150                     afs.fs_magic, ctime(&fstime));
 151                 printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]);
 152                 printf("ncg\t%d\tsize\t%qd\tblocks\t%jd\n",
 153                     afs.fs_ncg, fssize, (intmax_t)afs.fs_dsize);
 154                 break;
 155         default:
 156                 goto err;
 157         }
 158         printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
 159             afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
 160         printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
 161             afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
 162         printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
 163             afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
 164         printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n",
 165             afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
 166             afs.fs_maxsymlinklen);
 167         switch (disk.d_ufs) {
 168         case 2:
 169                 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
 170                     "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg,
 171                     afs.fs_maxcontig, afs.fs_contigsumsize);
 172                 printf("nbfree\t%qd\tndir\t%qd\tnifree\t%qd\tnffree\t%qd\n",
 173                     afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
 174                     afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
 175                 printf("bpg\t%d\tfpg\t%d\tipg\t%d\n",
 176                     afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
 177                 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%qu\n",
 178                     afs.fs_nindir, afs.fs_inopb, afs.fs_maxfilesize);
 179                 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n",
 180                     afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr,
 181                     afs.fs_cssize);
 182                 break;
 183         case 1:
 184                 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
 185                     afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize);
 186                 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
 187                     afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir,
 188                     afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree);
 189                 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
 190                     afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg,
 191                     afs.fs_ipg);
 192                 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n",
 193                     afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf,
 194                     afs.fs_maxfilesize);
 195                 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
 196                     afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset,
 197                     afs.fs_old_cgmask);
 198                 printf("csaddr\t%d\tcssize\t%d\n",
 199                     afs.fs_old_csaddr, afs.fs_cssize);
 200                 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n",
 201                     afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew,
 202                     afs.fs_old_interleave);
 203                 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n",
 204                     afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc);
 205                 break;
 206         default:
 207                 goto err;
 208         }
 209         printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
 210             afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
 211         printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n",
 212             afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
 213         printf("flags\t");
 214         if (afs.fs_flags == 0)
 215                 printf("none");
 216         if (afs.fs_flags & FS_UNCLEAN)
 217                         printf("unclean ");
 218         if (afs.fs_flags & FS_DOSOFTDEP)
 219                         printf("soft-updates ");
 220         if (afs.fs_flags & FS_NEEDSFSCK)
 221                         printf("needs fsck run ");
 222         if (afs.fs_flags & FS_INDEXDIRS)
 223                         printf("indexed directories ");
 224         if ((afs.fs_flags &
 225             ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS)) != 0)
 226                         printf("unknown flags (%#x)", afs.fs_flags &
 227                             ~(FS_UNCLEAN | FS_DOSOFTDEP |
 228                               FS_NEEDSFSCK | FS_INDEXDIRS));
 229         putchar('\n');
 230         printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
 231         afs.fs_csp = calloc(1, afs.fs_cssize);
 232         if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1)
 233                 goto err;
 234         for (i = 0; i < afs.fs_ncg; i++) {
 235                 struct csum *cs = &afs.fs_cs(&afs, i);
 236                 if (i && i % 4 == 0)
 237                         printf("\n\t");
 238                 printf("(%d,%d,%d,%d) ",
 239                     cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
 240         }
 241         printf("\n");
 242         if (fssize % afs.fs_fpg) {
 243                 if (disk.d_ufs == 1)
 244                         printf("cylinders in last group %d\n",
 245                             howmany(afs.fs_old_size % afs.fs_fpg,
 246                             afs.fs_old_spc / afs.fs_old_nspf));
 247                 printf("blocks in last group %ld\n\n",
 248                     (long)((fssize % afs.fs_fpg) / afs.fs_frag));
 249         }
 250         while ((i = cgread(&disk)) != 0) {
 251                 if (i == -1 || dumpcg())
 252                         goto err;
 253         }
 254         return (0);
 255
 256 err:    ufserr(name);
 257         return (1);
 258 }
 259
 260 int
 261 dumpcg(void)
 262 {
 263         time_t cgtime;
 264         off_t cur;
 265         int i, j;
 266
 267         printf("\ncg %d:\n", disk.d_lcg);
 268         cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize;
 269         switch (disk.d_ufs) {
 270         case 2:
 271                 cgtime = acg.cg_time;
 272                 printf("magic\t%x\ttell\t%qx\ttime\t%s",
 273                     acg.cg_magic, cur, ctime(&cgtime));
 274                 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\n",
 275                     acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk);
 276                 break;
 277         case 1:
 278                 cgtime = acg.cg_old_time;
 279                 printf("magic\t%x\ttell\t%qx\ttime\t%s",
 280                     acg.cg_magic, cur, ctime(&cgtime));
 281                 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
 282                     acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk,
 283                     acg.cg_ndblk);
 284                 break;
 285         default:
 286                 break;
 287         }
 288         printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
 289             acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
 290             acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
 291         printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
 292             acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
 293         for (i = 1, j = 0; i < afs.fs_frag; i++) {
 294                 printf("\t%d", acg.cg_frsum[i]);
 295                 j += i * acg.cg_frsum[i];
 296         }
 297         printf("\nsum of frsum: %d", j);
 298         if (afs.fs_contigsumsize > 0) {
 299                 for (i = 1; i < afs.fs_contigsumsize; i++) {
 300                         if ((i - 1) % 8 == 0)
 301                                 printf("\nclusters %d-%d:", i,
 302                                     afs.fs_contigsumsize - 1 < i + 7 ?
 303                                     afs.fs_contigsumsize - 1 : i + 7);
 304                         printf("\t%d", cg_clustersum(&acg)[i]);
 305                 }
 306                 printf("\nclusters size %d and over: %d\n",
 307                     afs.fs_contigsumsize,
 308                     cg_clustersum(&acg)[afs.fs_contigsumsize]);
 309                 printf("clusters free:\t");
 310                 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
 311         } else
 312                 printf("\n");
 313         printf("inodes used:\t");
 314         pbits(cg_inosused(&acg), afs.fs_ipg);
 315         printf("blks free:\t");
 316         pbits(cg_blksfree(&acg), afs.fs_fpg);
 317         return (0);
 318 }
 319
 320 int
 321 marshal(const char *name)
 322 {
 323         struct fs *fs;
 324
 325         fs = &disk.d_fs;
 326
 327         printf("# newfs command for %s (%s)\n", name, disk.d_name);
 328         printf("newfs ");
 329         printf("-O %d ", disk.d_ufs);
 330         if (fs->fs_flags & FS_DOSOFTDEP)
 331                 printf("-U ");
 332         printf("-a %d ", fs->fs_maxcontig);
 333         printf("-b %d ", fs->fs_bsize);
 334         /* -c is dumb */
 335         printf("-d %d ", fs->fs_maxbsize);
 336         printf("-e %d ", fs->fs_maxbpg);
 337         printf("-f %d ", fs->fs_fsize);
 338         printf("-g %d ", fs->fs_avgfilesize);
 339         printf("-h %d ", fs->fs_avgfpdir);
 340         /* -i is dumb */
 341         /* -j..l unimplemented */
 342         printf("-m %d ", fs->fs_minfree);
 343         /* -n unimplemented */
 344         printf("-o ");
 345         switch (fs->fs_optim) {
 346         case FS_OPTSPACE:
 347                 printf("space ");
 348                 break;
 349         case FS_OPTTIME:
 350                 printf("time ");
 351                 break;
 352         default:
 353                 printf("unknown ");
 354                 break;
 355         }
 356         /* -p..r unimplemented */
 357         printf("-s %jd ", (intmax_t)fs->fs_size);
 358         printf("%s ", disk.d_name);
 359         printf("\n");
 360
 361         return 0;
 362 }
 363
 364 void
 365 pbits(void *vp, int max)
 366 {
 367         int i;
 368         char *p;
 369         int count, j;
 370
 371         for (count = i = 0, p = vp; i < max; i++)
 372                 if (isset(p, i)) {
 373                         if (count)
 374                                 printf(",%s", count % 6 ? " " : "\n\t");
 375                         count++;
 376                         printf("%d", i);
 377                         j = i;
 378                         while ((i+1)<max && isset(p, i+1))
 379                                 i++;
 380                         if (i != j)
 381                                 printf("-%d", i);
 382                 }
 383         printf("\n");
 384 }
 385
 386 void
 387 ufserr(const char *name)
 388 {
 389         if (disk.d_error != NULL)
 390                 warnx("%s: %s", name, disk.d_error);
 391         else if (errno)
 392                 warn("%s", name);
 393 }
 394
 395 void
 396 usage(void)
 397 {
 398         (void)fprintf(stderr, "usage: dumpfs [-m] filesys | device\n");
 399         exit(1);
 400 }