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) 1983, 1992, 1993 12 * The Regents of the University of California. All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. All advertising materials mentioning features or use of this software 23 * must display the following acknowledgement: 24 * This product includes software developed by the University of 25 * California, Berkeley and its contributors. 26 * 4. Neither the name of the University nor the names of its contributors 27 * may be used to endorse or promote products derived from this software 28 * without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 31 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 33 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 34 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 38 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 39 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 40 * SUCH DAMAGE. 41 */ 42 43 #ifndef lint 44 static const char copyright[] = 45 "@(#) Copyright (c) 1983, 1992, 1993\n\ 46 The Regents of the University of California. All rights reserved.\n"; 47 #endif /* not lint */ 48 49 #ifndef lint 50 #if 0 51 static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95"; 52 #endif 53 static const char rcsid[] = 54 "$FreeBSD$"; 55 #endif /* not lint */ 56 57 #include <sys/param.h> 58 #include <sys/time.h> 59 #include <sys/disklabel.h> 60 61 #include <ufs/ufs/dinode.h> 62 #include <ufs/ffs/fs.h> 63 64 #include <err.h> 65 #include <errno.h> 66 #include <fcntl.h> 67 #include <fstab.h> 68 #include <libufs.h> 69 #include <stdint.h> 70 #include <stdio.h> 71 #include <stdlib.h> 72 #include <unistd.h> 73 74 #define afs disk.d_fs 75 #define acg disk.d_cg 76 77 struct uufsd disk; 78 79 int dumpfs(const char *); 80 int dumpcg(void); 81 int marshal(const char *); 82 void pbits(void *, int); 83 void ufserr(const char *); 84 void usage(void) __dead2; 85 86 int 87 main(int argc, char *argv[]) 88 { 89 const char *name; 90 int ch, domarshal, eval; 91 92 domarshal = eval = 0; 93 94 while ((ch = getopt(argc, argv, "m")) != -1) { 95 switch (ch) { 96 case 'm': 97 domarshal = 1; 98 break; 99 case '?': 100 default: 101 usage(); 102 } 103 } 104 argc -= optind; 105 argv += optind; 106 107 if (argc < 1) 108 usage(); 109 110 while ((name = *argv++) != NULL) { 111 if (ufs_disk_fillout(&disk, name) == -1) { 112 ufserr(name); 113 eval |= 1; 114 continue; 115 } 116 if (domarshal) 117 eval |= marshal(name); 118 else 119 eval |= dumpfs(name); 120 ufs_disk_close(&disk); 121 } 122 exit(eval); 123 } 124 125 int 126 dumpfs(const char *name) 127 { 128 time_t fstime; 129 int64_t fssize; 130 int32_t fsflags; 131 int i; 132 133 switch (disk.d_ufs) { 134 case 2: 135 fssize = afs.fs_size; 136 fstime = afs.fs_time; 137 printf("magic\t%x (UFS2)\ttime\t%s", 138 afs.fs_magic, ctime(&fstime)); 139 printf("superblock location\t%qd\tid\t[ %x %x ]\n", 140 afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]); 141 printf("ncg\t%d\tsize\t%qd\tblocks\t%jd\n", 142 afs.fs_ncg, fssize, (intmax_t)afs.fs_dsize); 143 break; 144 case 1: 145 fssize = afs.fs_old_size; 146 fstime = afs.fs_old_time; 147 printf("magic\t%x (UFS1)\ttime\t%s", 148 afs.fs_magic, ctime(&fstime)); 149 printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]); 150 printf("ncg\t%d\tsize\t%qd\tblocks\t%jd\n", 151 afs.fs_ncg, fssize, (intmax_t)afs.fs_dsize); 152 break; 153 default: 154 goto err; 155 } 156 printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", 157 afs.fs_bsize, afs.fs_bshift, afs.fs_bmask); 158 printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", 159 afs.fs_fsize, afs.fs_fshift, afs.fs_fmask); 160 printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", 161 afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb); 162 printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n", 163 afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time", 164 afs.fs_maxsymlinklen); 165 switch (disk.d_ufs) { 166 case 2: 167 printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 168 "maxbsize", afs.fs_maxbsize, afs.fs_maxbpg, 169 afs.fs_maxcontig, afs.fs_contigsumsize); 170 printf("nbfree\t%qd\tndir\t%qd\tnifree\t%qd\tnffree\t%qd\n", 171 afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir, 172 afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree); 173 printf("bpg\t%d\tfpg\t%d\tipg\t%d\n", 174 afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg); 175 printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%qu\n", 176 afs.fs_nindir, afs.fs_inopb, afs.fs_maxfilesize); 177 printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n", 178 afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr, 179 afs.fs_cssize); 180 break; 181 case 1: 182 printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n", 183 afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize); 184 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 185 afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir, 186 afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree); 187 printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n", 188 afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, 189 afs.fs_ipg); 190 printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n", 191 afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf, 192 afs.fs_maxfilesize); 193 printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n", 194 afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset, 195 afs.fs_old_cgmask); 196 printf("csaddr\t%d\tcssize\t%d\n", 197 afs.fs_old_csaddr, afs.fs_cssize); 198 printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n", 199 afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew, 200 afs.fs_old_interleave); 201 printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n", 202 afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc); 203 break; 204 default: 205 goto err; 206 } 207 printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", 208 afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno); 209 printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n", 210 afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean); 211 printf("flags\t"); 212 if (afs.fs_old_flags & FS_FLAGS_UPDATED) 213 fsflags = afs.fs_flags; 214 else 215 fsflags = afs.fs_old_flags; 216 if (fsflags == 0) 217 printf("none"); 218 if (fsflags & FS_UNCLEAN) 219 printf("unclean "); 220 if (fsflags & FS_DOSOFTDEP) 221 printf("soft-updates "); 222 if (fsflags & FS_NEEDSFSCK) 223 printf("needs fsck run "); 224 if (fsflags & FS_INDEXDIRS) 225 printf("indexed directories "); 226 if (fsflags & FS_ACLS) 227 printf("acls "); 228 if (fsflags & FS_MULTILABEL) 229 printf("multilabel "); 230 if (fsflags & FS_FLAGS_UPDATED) 231 printf("fs_flags expanded "); 232 fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS | 233 FS_ACLS | FS_MULTILABEL | FS_FLAGS_UPDATED); 234 if (fsflags != 0) 235 printf("unknown flags (%#x)", fsflags); 236 putchar('\n'); 237 printf("fsmnt\t%s\n", afs.fs_fsmnt); 238 printf("volname\t%s\tswuid\t%qu\n", 239 afs.fs_volname, afs.fs_swuid); 240 printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); 241 afs.fs_csp = calloc(1, afs.fs_cssize); 242 if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1) 243 goto err; 244 for (i = 0; i < afs.fs_ncg; i++) { 245 struct csum *cs = &afs.fs_cs(&afs, i); 246 if (i && i % 4 == 0) 247 printf("\n\t"); 248 printf("(%d,%d,%d,%d) ", 249 cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); 250 } 251 printf("\n"); 252 if (fssize % afs.fs_fpg) { 253 if (disk.d_ufs == 1) 254 printf("cylinders in last group %d\n", 255 howmany(afs.fs_old_size % afs.fs_fpg, 256 afs.fs_old_spc / afs.fs_old_nspf)); 257 printf("blocks in last group %ld\n\n", 258 (long)((fssize % afs.fs_fpg) / afs.fs_frag)); 259 } 260 while ((i = cgread(&disk)) != 0) { 261 if (i == -1 || dumpcg()) 262 goto err; 263 } 264 return (0); 265 266 err: ufserr(name); 267 return (1); 268 } 269 270 int 271 dumpcg(void) 272 { 273 time_t cgtime; 274 off_t cur; 275 int i, j; 276 277 printf("\ncg %d:\n", disk.d_lcg); 278 cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize; 279 switch (disk.d_ufs) { 280 case 2: 281 cgtime = acg.cg_time; 282 printf("magic\t%x\ttell\t%qx\ttime\t%s", 283 acg.cg_magic, cur, ctime(&cgtime)); 284 printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\n", 285 acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk); 286 break; 287 case 1: 288 cgtime = acg.cg_old_time; 289 printf("magic\t%x\ttell\t%qx\ttime\t%s", 290 acg.cg_magic, cur, ctime(&cgtime)); 291 printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", 292 acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, 293 acg.cg_ndblk); 294 break; 295 default: 296 break; 297 } 298 printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", 299 acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, 300 acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); 301 printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", 302 acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); 303 for (i = 1, j = 0; i < afs.fs_frag; i++) { 304 printf("\t%d", acg.cg_frsum[i]); 305 j += i * acg.cg_frsum[i]; 306 } 307 printf("\nsum of frsum: %d", j); 308 if (afs.fs_contigsumsize > 0) { 309 for (i = 1; i < afs.fs_contigsumsize; i++) { 310 if ((i - 1) % 8 == 0) 311 printf("\nclusters %d-%d:", i, 312 afs.fs_contigsumsize - 1 < i + 7 ? 313 afs.fs_contigsumsize - 1 : i + 7); 314 printf("\t%d", cg_clustersum(&acg)[i]); 315 } 316 printf("\nclusters size %d and over: %d\n", 317 afs.fs_contigsumsize, 318 cg_clustersum(&acg)[afs.fs_contigsumsize]); 319 printf("clusters free:\t"); 320 pbits(cg_clustersfree(&acg), acg.cg_nclusterblks); 321 } else 322 printf("\n"); 323 printf("inodes used:\t"); 324 pbits(cg_inosused(&acg), afs.fs_ipg); 325 printf("blks free:\t"); 326 pbits(cg_blksfree(&acg), afs.fs_fpg); 327 return (0); 328 } 329 330 int 331 marshal(const char *name) 332 { 333 struct fs *fs; 334 335 fs = &disk.d_fs; 336 337 printf("# newfs command for %s (%s)\n", name, disk.d_name); 338 printf("newfs "); 339 printf("-O %d ", disk.d_ufs); 340 if (fs->fs_flags & FS_DOSOFTDEP) 341 printf("-U "); 342 printf("-a %d ", fs->fs_maxcontig); 343 printf("-b %d ", fs->fs_bsize); 344 /* -c is dumb */ 345 printf("-d %d ", fs->fs_maxbsize); 346 printf("-e %d ", fs->fs_maxbpg); 347 printf("-f %d ", fs->fs_fsize); 348 printf("-g %d ", fs->fs_avgfilesize); 349 printf("-h %d ", fs->fs_avgfpdir); 350 /* -i is dumb */ 351 /* -j..l unimplemented */ 352 printf("-m %d ", fs->fs_minfree); 353 /* -n unimplemented */ 354 printf("-o "); 355 switch (fs->fs_optim) { 356 case FS_OPTSPACE: 357 printf("space "); 358 break; 359 case FS_OPTTIME: 360 printf("time "); 361 break; 362 default: 363 printf("unknown "); 364 break; 365 } 366 /* -p..r unimplemented */ 367 printf("-s %jd ", (intmax_t)fs->fs_size); 368 printf("%s ", disk.d_name); 369 printf("\n"); 370 371 return 0; 372 } 373 374 void 375 pbits(void *vp, int max) 376 { 377 int i; 378 char *p; 379 int count, j; 380 381 for (count = i = 0, p = vp; i < max; i++) 382 if (isset(p, i)) { 383 if (count) 384 printf(",%s", count % 6 ? " " : "\n\t"); 385 count++; 386 printf("%d", i); 387 j = i; 388 while ((i+1)<max && isset(p, i+1)) 389 i++; 390 if (i != j) 391 printf("-%d", i); 392 } 393 printf("\n"); 394 } 395 396 void 397 ufserr(const char *name) 398 { 399 if (disk.d_error != NULL) 400 warnx("%s: %s", name, disk.d_error); 401 else if (errno) 402 warn("%s", name); 403 } 404 405 void 406 usage(void) 407 { 408 (void)fprintf(stderr, "usage: dumpfs [-m] filesys | device\n"); 409 exit(1); 410 } 411