/* $NetBSD: dumpfs.c,v 1.66.2.2 2023/05/13 11:51:14 martin Exp $ */ /* * Copyright (c) 1983, 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint __COPYRIGHT("@(#) Copyright (c) 1983, 1992, 1993\ The Regents of the University of California. All rights reserved."); #endif /* not lint */ #ifndef lint #if 0 static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95"; #else __RCSID("$NetBSD: dumpfs.c,v 1.66.2.2 2023/05/13 11:51:14 martin Exp $"); #endif #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static union fsun { struct fs fs; char pad[MAXBSIZE]; } fsun; #define afs fsun.fs static uint16_t opostblsave[32*8]; static union { struct cg cg; char pad[MAXBSIZE]; } cgun; #define acg cgun.cg static union { struct wapbl_wc_header wh; struct wapbl_wc_null wn; char pad[MAXBSIZE]; } jbuf; #define awh jbuf.wh #define awn jbuf.wn #define OPT_FLAG(ch) (1 << ((ch) & 31)) #define ISOPT(opt) (opt_flags & (opt)) #define opt_alt_super OPT_FLAG('a') #define opt_superblock OPT_FLAG('s') #define opt_cg_summary OPT_FLAG('m') #define opt_cg_info OPT_FLAG('c') #define opt_inodes OPT_FLAG('i') #define opt_journal OPT_FLAG('j') #define opt_verbose OPT_FLAG('v') #define DFLT_CHECK (opt_alt_super | opt_cg_info | opt_inodes | \ opt_cg_summary | opt_superblock | opt_journal ) #define DFLT_OPTS (opt_superblock | opt_cg_summary | opt_cg_info | opt_verbose) static long dev_bsize = 512; static int needswap, printold, is_ufs2; static int Fflag; static uint opt_flags; static int dumpfs(const char *); static int print_superblock(struct fs *, uint16_t *, const char *, int, off_t); static int print_cgsum(const char *, int); static int print_cginfo(const char *, int); static int print_inodes(const char *, int, int, int); static int print_alt_super(const char *, int); static int print_journal(const char *, int); static void print_journal_header(const char *); static off_t print_journal_entries(const char *, size_t); static int dumpcg(const char *, int, int); static int openpartition(const char *, int, char *, size_t); static void pbits(int, void *, int); __dead static void usage(void); static void print_ufs1_inode(int, int, void *); static void print_ufs2_inode(int, int, void *); static void fix_superblock(struct fs *, uint16_t *); int main(int argc, char *argv[]) { int ch, eval; while ((ch = getopt(argc, argv, "acijmsvF")) != -1) switch(ch) { case 'a': /* alternate superblocks */ case 'c': /* cylinder group info */ case 'i': /* actual inodes */ case 'j': /* journal */ case 'm': /* cylinder group summary */ case 's': /* superblock */ case 'v': /* more verbose */ opt_flags |= OPT_FLAG(ch); break; case 'F': /* File (not device) */ Fflag = 1; break; case '?': default: usage(); } argc -= optind; argv += optind; if ((opt_flags & DFLT_CHECK) == 0) opt_flags |= DFLT_OPTS; if (argc < 1) usage(); for (eval = 0; *argv; ++argv) { eval |= dumpfs(*argv); } exit(eval); } static int dumpfs(const char *name) { static const off_t sblock_try[] = SBLOCKSEARCH; char device[MAXPATHLEN]; int fd, i; int rval = 1; if (Fflag) fd = open(name, O_RDONLY); else { fd = openpartition(name, O_RDONLY, device, sizeof(device)); name = device; } if (fd == -1) goto err; for (i = 0; ; i++) { if (sblock_try[i] == -1) { warnx("%s: could not find superblock, skipped", name); return 1; } if (lseek(fd, sblock_try[i], SEEK_SET) == (off_t)-1) continue; if (read(fd, &afs, SBLOCKSIZE) != SBLOCKSIZE) continue; switch(afs.fs_magic) { case FS_UFS2EA_MAGIC: case FS_UFS2_MAGIC: is_ufs2 = 1; break; case FS_UFS1_MAGIC: break; case FS_UFS2EA_MAGIC_SWAPPED: case FS_UFS2_MAGIC_SWAPPED: is_ufs2 = 1; needswap = 1; break; case FS_UFS1_MAGIC_SWAPPED: needswap = 1; break; default: continue; } fix_superblock(&afs, opostblsave); if (printold) { if (sblock_try[i] == SBLOCK_UFS2) /* This might be an alternate superblock */ continue; } else { if (sblock_try[i] != afs.fs_sblockloc) /* This must be an alternate superblock */ continue; } break; } dev_bsize = afs.fs_fsize / FFS_FSBTODB(&afs, 1); rval = 0; printf("file system: %s\n", name); if (ISOPT(opt_superblock)) rval = print_superblock(&afs, opostblsave, name, fd, sblock_try[i]); if (rval == 0 && ISOPT(opt_cg_summary)) rval = print_cgsum(name, fd); if (rval == 0 && ISOPT(opt_alt_super)) rval = print_alt_super(name, fd); if (rval == 0 && ISOPT(opt_journal)) rval = print_journal(name, fd); if (rval == 0 && ISOPT(opt_cg_info)) rval = print_cginfo(name, fd); else if (rval == 0 && ISOPT(opt_inodes)) rval = print_inodes(name, fd, 0, afs.fs_ncg); err: if (fd != -1) (void)close(fd); if (rval) warn("%s", name); return rval; } static void fix_superblock(struct fs *fs, uint16_t *opostbl) { if (needswap && (((int32_t)bswap32(fs->fs_old_postblformat) == FS_42POSTBLFMT) || (bswap32(fs->fs_old_postbloff) == offsetof(struct fs, fs_old_postbl_start)))) { int i; memcpy(opostbl, &fs->fs_old_postbl_start, 512); for(i=0;i<256;i++) opostbl[i] = bswap16(opostbl[i]); } else if (!needswap && ((fs->fs_old_postblformat == FS_42POSTBLFMT) || (fs->fs_old_postbloff == offsetof(struct fs, fs_old_postbl_start)))) { memcpy(opostbl, &fs->fs_old_postbl_start, 512); } if (needswap) ffs_sb_swap(fs, fs); printold = (fs->fs_magic == FS_UFS1_MAGIC && (fs->fs_old_flags & FS_FLAGS_UPDATED) == 0); if (printold) { fs->fs_sblockloc = SBLOCK_UFS1; fs->fs_flags = fs->fs_old_flags; fs->fs_maxbsize = fs->fs_bsize; fs->fs_time = fs->fs_old_time; fs->fs_size = fs->fs_old_size; fs->fs_dsize = fs->fs_old_dsize; fs->fs_csaddr = fs->fs_old_csaddr; fs->fs_cstotal.cs_ndir = fs->fs_old_cstotal.cs_ndir; fs->fs_cstotal.cs_nbfree = fs->fs_old_cstotal.cs_nbfree; fs->fs_cstotal.cs_nifree = fs->fs_old_cstotal.cs_nifree; fs->fs_cstotal.cs_nffree = fs->fs_old_cstotal.cs_nffree; } if (printold && fs->fs_old_postblformat == FS_42POSTBLFMT) fs->fs_old_nrpos = 8; } static int print_superblock(struct fs *fs, uint16_t *opostbl, const char *name, int fd, off_t sblock) { int i, size; time_t t; int32_t fsflags; printf("format\tFFSv%d%s\n", is_ufs2+1, fs->fs_magic == FS_UFS2EA_MAGIC ? "ea" : ""); #if BYTE_ORDER == LITTLE_ENDIAN if (needswap) #else if (!needswap) #endif printf("endian\tbig-endian\n"); else printf("endian\tlittle-endian\n"); t = fs->fs_time; if ((sblock != SBLOCK_UFS1) || ISOPT(opt_alt_super)) printf("location %lld\t(-b %lld)\n", (long long)sblock, (long long)(sblock/dev_bsize)); printf("magic\t%-8x\ttime\t%s", fs->fs_magic, ctime(&t)); if (is_ufs2) i = -1; else { i = 0; if (fs->fs_old_postblformat != FS_42POSTBLFMT) { i++; if (fs->fs_old_inodefmt >= FS_44INODEFMT) { int max; i++; max = fs->fs_maxcontig; size = fs->fs_contigsumsize; if ((max < 2 && size == 0) || (max > 1 && size >= MIN(max, FS_MAXCONTIG))) i++; } if (fs->fs_old_flags & FS_FLAGS_UPDATED) { i = 4; } } } if (!printold || fs->fs_sblockloc != SBLOCK_UFS1 || fs->fs_id[0] || fs->fs_id[1]) printf("superblock location\t%jd\tid\t[ %x %x ]\n", (intmax_t)fs->fs_sblockloc, fs->fs_id[0], fs->fs_id[1]); if (!is_ufs2) printf("cylgrp\t%s\tinodes\t%s\tsblock\t%s\tfslevel %d\n", i < 1 ? "static" : "dynamic", i < 2 ? "4.2/4.3BSD" : i < 5 ? "4.4BSD" : "FFSv2", i < 4 ? "FFSv1" : "FFSv2", i); printf("nbfree\t%lld\tndir\t%lld\tnifree\t%lld\tnffree\t%lld\n", (long long)fs->fs_cstotal.cs_nbfree, (long long)fs->fs_cstotal.cs_ndir, (long long)fs->fs_cstotal.cs_nifree, (long long)fs->fs_cstotal.cs_nffree); if (printold) printf("ncg\t%d\tncyl\t%d\tsize\t%lld\tblocks\t%lld\n", fs->fs_ncg, fs->fs_old_ncyl, (long long)fs->fs_size, (long long)fs->fs_dsize); else printf("ncg\t%d\tsize\t%lld\tblocks\t%lld\n", fs->fs_ncg, (long long)fs->fs_size, (long long)fs->fs_dsize); printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n", fs->fs_bsize, fs->fs_bshift, fs->fs_bmask); printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n", fs->fs_fsize, fs->fs_fshift, fs->fs_fmask); printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n", fs->fs_frag, fs->fs_fragshift, fs->fs_fsbtodb); if (printold) printf("cpg\t%d\t", fs->fs_old_cpg); printf("bpg\t%d\tfpg\t%d\tipg\t%d\n", fs->fs_fpg / fs->fs_frag, fs->fs_fpg, fs->fs_ipg); printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n", fs->fs_minfree, fs->fs_optim == FS_OPTSPACE ? "space" : "time", fs->fs_maxcontig, fs->fs_maxbpg); if (printold) { printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n", fs->fs_old_rotdelay, fs->fs_old_headswitch, fs->fs_old_trkseek, fs->fs_old_rps); printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n", fs->fs_spare2, fs->fs_old_nsect, fs->fs_old_npsect, fs->fs_old_spc); } printf("symlinklen %d\t", fs->fs_maxsymlinklen); if (printold) printf("trackskew %d\tinterleave %d\t", fs->fs_old_trackskew, fs->fs_old_interleave); printf("contigsumsize %d\n", fs->fs_contigsumsize); printf("maxfilesize 0x%016llx\n", (unsigned long long)fs->fs_maxfilesize); if (printold) printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n", fs->fs_nindir, fs->fs_inopb, fs->fs_old_nspf); else printf("nindir\t%d\tinopb\t%d\n", fs->fs_nindir, fs->fs_inopb); if (!printold || (fs->fs_avgfilesize > 0) || (fs->fs_avgfpdir > 0)) printf("avgfilesize %d\tavgfpdir %d\n", fs->fs_avgfilesize, fs->fs_avgfpdir); printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n", fs->fs_sblkno, fs->fs_cblkno, fs->fs_iblkno, fs->fs_dblkno); printf("sbsize\t%d\tcgsize\t%d", fs->fs_sbsize, fs->fs_cgsize); if (printold) printf("\toffset\t%d\tmask\t0x%08x", fs->fs_old_cgoffset, fs->fs_old_cgmask); printf("\ncsaddr\t%lld\tcssize\t%d", (long long)fs->fs_csaddr, fs->fs_cssize); if (printold) printf("\tshift\t%d\tmask\t0x%08x", fs->fs_old_csshift, fs->fs_old_csmask); printf("\ncgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t0x%02x\n", fs->fs_cgrotor, fs->fs_fmod, fs->fs_ronly, fs->fs_clean); printf("wapbl version 0x%x\tlocation %u\tflags 0x%x\n", fs->fs_journal_version, fs->fs_journal_location, fs->fs_journal_flags); printf("wapbl loc0 %" PRIu64 "\tloc1 %" PRIu64, fs->fs_journallocs[0], fs->fs_journallocs[1]); printf("\tloc2 %" PRIu64 "\tloc3 %" PRIu64 "\n", fs->fs_journallocs[2], fs->fs_journallocs[3]); printf("usrquota %" PRIu64 "\tgrpquota %" PRIu64 "\n", fs->fs_quotafile[USRQUOTA], fs->fs_quotafile[GRPQUOTA]); printf("flags\t"); if (fs->fs_flags == 0) printf("none"); if (fs->fs_flags & FS_UNCLEAN) printf("unclean "); if (fs->fs_flags & FS_DOSOFTDEP) printf("soft-updates "); if (fs->fs_flags & FS_NEEDSFSCK) printf("needs fsck run "); if (fs->fs_flags & FS_SUJ) printf("journaled soft-updates "); if (fs->fs_flags & FS_POSIX1EACLS) printf("posix1e acls "); if (fs->fs_flags & FS_NFS4ACLS) printf("nfs4 acls "); if (fs->fs_flags & FS_MULTILABEL) printf("multilabel "); if (fs->fs_flags & FS_GJOURNAL) printf("gjournal "); if (fs->fs_flags & FS_FLAGS_UPDATED) printf("fs_flags expanded "); if (fs->fs_flags & FS_DOWAPBL) printf("wapbl "); if (fs->fs_flags & FS_DOQUOTA2) printf("quotas "); if (fs->fs_flags & FS_TRIM) printf("trim "); fsflags = fs->fs_flags & ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_SUJ | FS_POSIX1EACLS | FS_MULTILABEL | FS_GJOURNAL | FS_NFS4ACLS | FS_FLAGS_UPDATED | FS_DOWAPBL | FS_DOQUOTA2 | FS_TRIM); #ifdef FS_INDEXDIRS if (fs->fs_flags & FS_INDEXDIRS) printf("indexed directories "); fsflags &= ~FS_INDEXDIRS #endif if (fsflags != 0) printf("unknown flags (%#x)", fsflags); printf("\nfsmnt\t%s\n", fs->fs_fsmnt); if (!printold) { printf("volname\t%s\tswuid\t%ju\n", fs->fs_volname, (uintmax_t)fs->fs_swuid); return 0; } if (fs->fs_old_cpc != 0) printf("blocks available in each of %d rotational " "positions\n", fs->fs_old_nrpos); else printf("(no rotational position table)\n\n"); if (!ISOPT(opt_verbose)) { return 0; } for (int c = 0; c < fs->fs_old_cpc; c++) { printf("cylinder number %d:", c); for (i = 0; i < fs->fs_old_nrpos; i++) { if (old_fs_postbl(&afs, c, opostbl)[i] == -1) continue; printf("\n position %d:\t", i); for (int j = old_fs_postbl(&afs, c, opostbl)[i], k = 1; ; j += old_fs_rotbl(&afs)[j], k++) { printf("%5d", j); if (k % 12 == 0) printf("\n\t\t"); if (old_fs_rotbl(&afs)[j] == 0) break; } } printf("\n"); } return 0; } static int print_cgsum(const char *name, int fd) { struct csum *ccsp; int i, j, size; uint32_t cgnum; afs.fs_csp = calloc(1, afs.fs_cssize); for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) { size = afs.fs_cssize - i < afs.fs_bsize ? afs.fs_cssize - i : afs.fs_bsize; ccsp = (struct csum *)((char *)afs.fs_csp + i); if (lseek(fd, (off_t)(FFS_FSBTODB(&afs, (afs.fs_csaddr + j * afs.fs_frag))) * dev_bsize, SEEK_SET) == (off_t)-1) return 1; if (read(fd, ccsp, size) != size) return 1; if (needswap) ffs_csum_swap(ccsp, ccsp, size); } printf("cs[].cs_(nbfree,ndir,nifree,nffree):\n\t"); for (cgnum = 0; cgnum < afs.fs_ncg; cgnum++) { struct csum *cs = &afs.fs_cs(&afs, cgnum); if (i && i % 4 == 0) printf("\n\t"); printf("(%d,%d,%d,%d) ", cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree); } printf("\n"); if (printold && (afs.fs_old_ncyl % afs.fs_old_cpg)) { printf("cylinders in last group %d\n", i = afs.fs_old_ncyl % afs.fs_old_cpg); printf("blocks in last group %d\n", i * afs.fs_old_spc / (afs.fs_old_nspf << afs.fs_fragshift)); } free(afs.fs_csp); afs.fs_csp = NULL; return 0; } static int print_alt_super(const char *name, int fd) { union fsun alt; uint32_t i; off_t loc; uint16_t alt_opostblsave[32*8]; int save_printold; for (i = 0; i < afs.fs_ncg; i++) { loc = (off_t)(FFS_FSBTODB(&afs, cgsblock(&afs, i))) * dev_bsize; printf("\nalternate %d\n", i); if (pread(fd, &alt, sizeof alt, loc) != sizeof alt) { warnx("%s: error reading alt %d", name, i); return (1); } save_printold = printold; fix_superblock(&alt.fs, alt_opostblsave); if (print_superblock(&alt.fs, alt_opostblsave, name, fd, loc)) { printold = save_printold; return 1; } printold = save_printold; } return 0; } static int print_cginfo(const char *name, int fd) { uint32_t i; printf("\n"); for (i = 0; i < afs.fs_ncg; i++) { printf("\n"); if (dumpcg(name, fd, i)) return 1; if (ISOPT(opt_inodes) && print_inodes(name, fd, i, 1)) return 1; } return 0; } static int print_inodes(const char *name, int fd, int c, int n) { void *ino_buf = malloc(afs.fs_bsize); void (*print_inode)(int, int, void *); ino_t inum; uint32_t i; if (ino_buf == 0) return 1; print_inode = is_ufs2 ? print_ufs2_inode : print_ufs1_inode; for (inum = c * afs.fs_ipg ; inum < (c+n) * afs.fs_ipg; inum += afs.fs_inopb) { if (pread(fd, ino_buf, afs.fs_bsize, ino_to_fsba(&afs, inum) * afs.fs_fsize) != afs.fs_bsize) { free(ino_buf); return 1; } for (i = 0; i < afs.fs_inopb; i++) print_inode(inum + i, i, ino_buf); } free(ino_buf); return 0; } static int dumpcg(const char *name, int fd, int c) { off_t cur; int i, j; time_t t; printf("cg %d:\n", c); if ((cur = lseek(fd, (off_t)(FFS_FSBTODB(&afs, cgtod(&afs, c))) * dev_bsize, SEEK_SET)) == (off_t)-1) return (1); if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) { warnx("%s: error reading cg", name); return (1); } if (needswap) ffs_cg_swap(&acg, &acg, &afs); if (printold) t = acg.cg_old_time; else t = acg.cg_time; printf("magic\t%x\ttell\t%llx\ttime\t%s", afs.fs_old_postblformat == FS_42POSTBLFMT ? ((struct ocg *)&acg)->cg_magic : acg.cg_magic, (long long)cur, ctime(&t)); if (printold) printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n", acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk, acg.cg_ndblk); else printf("cgx\t%d\tniblk\t%d\tndblk\t%d\n", acg.cg_cgx, acg.cg_niblk, acg.cg_ndblk); printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n", acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir, acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree); printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum", acg.cg_rotor, acg.cg_irotor, acg.cg_frotor); for (i = 1, j = 0; i < afs.fs_frag; i++) { printf("\t%d", acg.cg_frsum[i]); j += i * acg.cg_frsum[i]; } printf("\nsum of frsum: %d", j); if (afs.fs_contigsumsize > 0) { for (i = 1; i < afs.fs_contigsumsize; i++) { if ((i - 1) % 8 == 0) printf("\nclusters %d-%d:", i, afs.fs_contigsumsize - 1 < i + 7 ? afs.fs_contigsumsize - 1 : i + 7); printf("\t%d", cg_clustersum(&acg, 0)[i]); } printf("\nclusters size %d and over: %d\n", afs.fs_contigsumsize, cg_clustersum(&acg, 0)[afs.fs_contigsumsize]); printf("clusters free:\t"); pbits(0, cg_clustersfree(&acg, 0), acg.cg_nclusterblks); } else printf("\n"); printf("iused:\t"); pbits(0 * c * afs.fs_ipg, cg_inosused(&acg, 0), afs.fs_ipg); printf("free:\t"); pbits(0, cg_blksfree(&acg, 0), afs.fs_fpg); if (printold && ISOPT(opt_verbose)) { printf("b:\n"); for (i = 0; i < afs.fs_old_cpg; i++) { if (old_cg_blktot(&acg, 0)[i] == 0) continue; printf(" c%d:\t(%d)\t", i, old_cg_blktot(&acg, 0)[i]); for (j = 0; j < afs.fs_old_nrpos; j++) { if (afs.fs_old_cpc > 0 && old_fs_postbl(&afs, i % afs.fs_old_cpc, opostblsave)[j] == -1) continue; printf(" %d", old_cg_blks(&afs, &acg, i, 0)[j]); } printf("\n"); } } return (0); } static void print_ufs1_inode(int inum, int i_off, void *ibuf) { struct ufs1_dinode *i = ibuf; i += i_off; if (needswap) ffs_dinode1_swap(i,i); if (afs.fs_old_inodefmt < FS_44INODEFMT) { i->di_uid = i->di_ouid; i->di_gid = i->di_ogid; } if (inum % afs.fs_ipg == 0) printf(" inode: mode nlink size" " ctime.nsec flags blocks" " generation uid gid\n"); if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) return; printf("%8u: %6o %6d %20" PRIu64 " %10u.%09u %8x %10u %8x %10u %10u\n", inum, i->di_mode, i->di_nlink, i->di_size, i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, i->di_gen, i->di_uid, i->di_gid); } static void print_ufs2_inode(int inum, int i_off, void *ibuf) { struct ufs2_dinode *i = ibuf; i += i_off; if (needswap) ffs_dinode2_swap(i,i); if (inum % afs.fs_ipg == 0) printf(" inode: mode nlink size" " ctime.nsec flags blocks" " generation uid gid\n"); if (i->di_mode == 0 && i->di_nlink == 0 && !ISOPT(opt_verbose)) return; printf("%8u: %6o %6d %20" PRIu64 " %10" PRIu64 ".%09u %8x %10" PRIu64 " %8x %10u %10u\n", inum, i->di_mode, i->di_nlink, i->di_size, i->di_ctime, i->di_ctimensec, i->di_flags, i->di_blocks, i->di_gen, i->di_uid, i->di_gid); } static void pbits(int offset, void *vp, int max) { int i; char *p; int count, j; for (count = i = 0, p = vp; i < max; i++) if (isset(p, i)) { if (count) printf(",%s", count % 6 ? " " : "\n\t"); count++; printf("%d", offset + i); j = i; while ((i+1)= 2 * blklen && ((head >= tail && (boff < tail || boff >= head)) || (head < tail && (boff >= head && boff < tail)))) continue; printf("journal block %lu offset %lld\n", (unsigned long)bno, (long long) boff); if (lseek(fd, (off_t)(off*blklen) + boff, SEEK_SET) == (off_t)-1) return (1); if (read(fd, &jbuf, blklen) != (ssize_t)blklen) { warnx("%s: error reading journal", name); return 1; } switch (awh.wc_type) { case 0: break; case WAPBL_WC_HEADER: print_journal_header(name); if (awh.wc_generation > generation) { head = awh.wc_head; tail = awh.wc_tail; } generation = awh.wc_generation; skip = awh.wc_len; break; default: len = print_journal_entries(name, blklen); skip = awh.wc_len; if (len != (off_t)skip) printf(" CORRUPTED RECORD\n"); break; } if (blklen == 0) break; skip = (skip + blklen - 1) / blklen * blklen; if (skip == 0) break; } break; } return 0; } static const char * wapbl_type_string(unsigned t) { static char buf[12]; switch (t) { case WAPBL_WC_BLOCKS: return "blocks"; case WAPBL_WC_REVOCATIONS: return "revocations"; case WAPBL_WC_INODES: return "inodes"; case WAPBL_WC_HEADER: return "header"; } snprintf(buf,sizeof(buf),"%08x",t); return buf; } static void print_journal_header(const char *name) { printf(" type %s len %d version %u\n", wapbl_type_string(awh.wc_type), awh.wc_len, awh.wc_version); printf(" checksum %08x generation %9u\n", awh.wc_checksum, awh.wc_generation); printf(" fsid %08x.%08x time %llu nsec %u\n", awh.wc_fsid[0], awh.wc_fsid[1], (unsigned long long)awh.wc_time, awh.wc_timensec); printf(" log_bshift %10u fs_bshift %10u\n", awh.wc_log_dev_bshift, awh.wc_fs_dev_bshift); printf(" head %10lld tail %10lld\n", (long long)awh.wc_head, (long long)awh.wc_tail); printf(" circ_off %10lld circ_size %10lld\n", (long long)awh.wc_circ_off, (long long)awh.wc_circ_size); } static off_t print_journal_entries(const char *name, size_t blklen) { int i, n; struct wapbl_wc_blocklist *wcb; struct wapbl_wc_inodelist *wci; off_t len = 0; int ph; printf(" type %s len %d", wapbl_type_string(awn.wc_type), awn.wc_len); switch (awn.wc_type) { case WAPBL_WC_BLOCKS: case WAPBL_WC_REVOCATIONS: wcb = (struct wapbl_wc_blocklist *)&awn; printf(" blkcount %u\n", wcb->wc_blkcount); ph = (blklen - offsetof(struct wapbl_wc_blocklist, wc_blocks)) / sizeof(wcb->wc_blocks[0]); n = MIN(wcb->wc_blkcount, ph); for (i=0; iwc_blocks[i].wc_daddr, wcb->wc_blocks[i].wc_dlen); } len += wcb->wc_blocks[i].wc_dlen; } if (awn.wc_type == WAPBL_WC_BLOCKS) { if (len % blklen) len += blklen - len % blklen; } else len = 0; break; case WAPBL_WC_INODES: wci = (struct wapbl_wc_inodelist *)&awn; printf(" count %u clear %u\n", wci->wc_inocnt, wci->wc_clear); ph = (blklen - offsetof(struct wapbl_wc_inodelist, wc_inodes)) / sizeof(wci->wc_inodes[0]); n = MIN(wci->wc_inocnt, ph); for (i=0; iwc_inodes[i].wc_inumber, wci->wc_inodes[i].wc_imode); } } break; default: printf("\n"); break; } return len + blklen; } static void usage(void) { (void)fprintf(stderr, "usage: dumpfs [-acFijmsv] filesys | device [...]\n"); exit(1); } static int openpartition(const char *name, int flags, char *device, size_t devicelen) { char rawspec[MAXPATHLEN], xbuf[MAXPATHLEN], *p; struct fstab *fs; int fd, oerrno; fs = getfsfile(name); if (fs) { const char *fsspec; fsspec = getfsspecname(xbuf, sizeof(xbuf), fs->fs_spec); if (fsspec == NULL) { warn("%s", xbuf); return -1; } if ((p = strrchr(fsspec, '/')) != NULL) { snprintf(rawspec, sizeof(rawspec), "%.*s/r%s", (int)(p - fsspec), fsspec, p + 1); name = rawspec; } else name = fsspec; } fd = opendisk(name, flags, device, devicelen, 0); if (fd == -1 && errno == ENOENT) { oerrno = errno; strlcpy(device, name, devicelen); errno = oerrno; } return (fd); }