int main(int argc, char **argv) { int ret = 0, erg; int ch; skipclean = 1; while ((ch = getopt(argc, argv, "CfFnpy")) != -1) { switch (ch) { case 'C': /* for fsck_ffs compatibility */ break; case 'f': skipclean = 0; break; case 'F': /* * We can never run in the background. We must exit * silently with a nonzero exit code so that fsck(8) * can probe our support for -F. The exit code * doesn't really matter, but we use an unusual one * in case someone tries -F directly. The -F flag * is intentionally left out of the usage message. */ exit(5); case 'n': alwaysno = 1; alwaysyes = preen = 0; break; case 'y': alwaysyes = 1; alwaysno = preen = 0; break; case 'p': preen = 1; alwaysyes = alwaysno = 0; break; default: usage(); break; } } argc -= optind; argv += optind; if (!argc) usage(); while (--argc >= 0) { setcdevname(*argv, preen); erg = checkfilesys(*argv++); if (erg > ret) ret = erg; } return ret; }
int main(int argc, char *argv[]) { int ret = 0, erg; int ch; while ((ch = getopt(argc, argv, "pynf")) != -1) { switch (ch) { case 'f': /* Ignore for consistency with fsck_ffs */ break; case 'n': alwaysno = 1; alwaysyes = preen = 0; break; case 'y': alwaysyes = 1; alwaysno = preen = 0; break; case 'p': preen = 1; alwaysyes = alwaysno = 0; break; default: usage(); break; } } argc -= optind; argv += optind; if (!argc) usage(); while (argc-- > 0) { setcdevname(*argv, preen); erg = checkfilesys(*argv++); if (erg > ret) ret = erg; } exit(ret); }
int setup(char *dev) { long cg, size, asked, i, j, bmapsize; struct disklabel *lp; off_t sizepb; struct stat statb; struct fs proto; int doskipclean; int32_t maxsymlinklen, nindir, inopb; u_int64_t maxfilesize; char *realdev; havesb = 0; fswritefd = fsreadfd = -1; doskipclean = skipclean; if ((fsreadfd = opendev(dev, O_RDONLY, 0, &realdev)) < 0) { printf("Can't open %s: %s\n", dev, strerror(errno)); return (0); } if (strncmp(dev, realdev, PATH_MAX) != 0) { blockcheck(unrawname(realdev)); strlcpy(rdevname, realdev, sizeof(rdevname)); setcdevname(rdevname, dev, preen); } if (fstat(fsreadfd, &statb) < 0) { printf("Can't stat %s: %s\n", realdev, strerror(errno)); close(fsreadfd); return (0); } if (!S_ISCHR(statb.st_mode)) { pfatal("%s is not a character device", realdev); if (reply("CONTINUE") == 0) { close(fsreadfd); return (0); } } if (preen == 0) { printf("** %s", realdev); if (strncmp(dev, realdev, PATH_MAX) != 0) printf(" (%s)", dev); } if (nflag || (fswritefd = opendev(dev, O_WRONLY, 0, NULL)) < 0) { fswritefd = -1; if (preen) pfatal("NO WRITE ACCESS"); printf(" (NO WRITE)"); } if (preen == 0) printf("\n"); fsmodified = 0; lfdir = 0; initbarea(&sblk); initbarea(&asblk); sblk.b_un.b_buf = malloc(SBSIZE); asblk.b_un.b_buf = malloc(SBSIZE); if (sblk.b_un.b_buf == NULL || asblk.b_un.b_buf == NULL) errexit("cannot allocate space for superblock\n"); if ((lp = getdisklabel(NULL, fsreadfd)) != NULL) dev_bsize = secsize = lp->d_secsize; else dev_bsize = secsize = DEV_BSIZE; /* * Read in the superblock, looking for alternates if necessary */ if (readsb(1) == 0) { if (bflag || preen || calcsb(realdev, fsreadfd, &proto) == 0) return(0); if (reply("LOOK FOR ALTERNATE SUPERBLOCKS") == 0) return (0); for (i = 0; i < sizeof(altsbtry) / sizeof(altsbtry[0]); i++) { bflag = altsbtry[i]; /* proto partially setup by calcsb */ if (readsb(0) != 0 && proto.fs_fsize == sblock.fs_fsize && proto.fs_bsize == sblock.fs_bsize) goto found; } for (cg = 0; cg < proto.fs_ncg; cg++) { bflag = fsbtodb(&proto, cgsblock(&proto, cg)); if (readsb(0) != 0) break; } if (cg >= proto.fs_ncg) { printf("%s %s\n%s %s\n%s %s\n", "SEARCH FOR ALTERNATE SUPER-BLOCK", "FAILED. YOU MUST USE THE", "-b OPTION TO FSCK_FFS TO SPECIFY THE", "LOCATION OF AN ALTERNATE", "SUPER-BLOCK TO SUPPLY NEEDED", "INFORMATION; SEE fsck_ffs(8)."); return(0); } found: doskipclean = 0; pwarn("USING ALTERNATE SUPERBLOCK AT %d\n", bflag); } if (debug) printf("clean = %d\n", sblock.fs_clean); if (sblock.fs_clean & FS_ISCLEAN) { if (doskipclean) { pwarn("%sile system is clean; not checking\n", preen ? "f" : "** F"); return (-1); } if (!preen) pwarn("** File system is already clean\n"); } maxfsblock = sblock.fs_size; maxino = sblock.fs_ncg * sblock.fs_ipg; sizepb = sblock.fs_bsize; maxfilesize = sblock.fs_bsize * NDADDR - 1; for (i = 0; i < NIADDR; i++) { sizepb *= NINDIR(&sblock); maxfilesize += sizepb; } /* * Check and potentially fix certain fields in the super block. */ if (sblock.fs_optim != FS_OPTTIME && sblock.fs_optim != FS_OPTSPACE) { pfatal("UNDEFINED OPTIMIZATION IN SUPERBLOCK"); if (reply("SET TO DEFAULT") == 1) { sblock.fs_optim = FS_OPTTIME; sbdirty(); } } if ((sblock.fs_minfree < 0 || sblock.fs_minfree > 99)) { pfatal("IMPOSSIBLE MINFREE=%d IN SUPERBLOCK", sblock.fs_minfree); if (reply("SET TO DEFAULT") == 1) { sblock.fs_minfree = 10; sbdirty(); } } if (sblock.fs_npsect < sblock.fs_nsect || sblock.fs_npsect > sblock.fs_nsect*2) { pwarn("IMPOSSIBLE NPSECT=%d IN SUPERBLOCK", sblock.fs_npsect); sblock.fs_npsect = sblock.fs_nsect; if (preen) printf(" (FIXED)\n"); if (preen || reply("SET TO DEFAULT") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_bmask != ~(sblock.fs_bsize - 1)) { pwarn("INCORRECT BMASK=%x IN SUPERBLOCK", sblock.fs_bmask); sblock.fs_bmask = ~(sblock.fs_bsize - 1); if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_fmask != ~(sblock.fs_fsize - 1)) { pwarn("INCORRECT FMASK=%x IN SUPERBLOCK", sblock.fs_fmask); sblock.fs_fmask = ~(sblock.fs_fsize - 1); if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (1 << sblock.fs_bshift != sblock.fs_bsize) { pwarn("INCORRECT BSHIFT=%d IN SUPERBLOCK", sblock.fs_bshift); sblock.fs_bshift = ffs(sblock.fs_bsize) - 1; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (1 << sblock.fs_fshift != sblock.fs_fsize) { pwarn("INCORRECT FSHIFT=%d IN SUPERBLOCK", sblock.fs_fshift); sblock.fs_fshift = ffs(sblock.fs_fsize) - 1; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_inodefmt < FS_44INODEFMT) { pwarn("Format of filesystem is too old.\n"); pwarn("Must update to modern format using a version of fsck\n"); pfatal("from before release 5.0 with the command ``fsck -c 2''\n"); exit(8); } if (sblock.fs_maxfilesize != maxfilesize) { pwarn("INCORRECT MAXFILESIZE=%llu IN SUPERBLOCK", (unsigned long long)sblock.fs_maxfilesize); sblock.fs_maxfilesize = maxfilesize; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } maxsymlinklen = sblock.fs_magic == FS_UFS1_MAGIC ? MAXSYMLINKLEN_UFS1 : MAXSYMLINKLEN_UFS2; if (sblock.fs_maxsymlinklen != maxsymlinklen) { pwarn("INCORRECT MAXSYMLINKLEN=%d IN SUPERBLOCK", sblock.fs_maxsymlinklen); sblock.fs_maxsymlinklen = maxsymlinklen; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_qbmask != ~sblock.fs_bmask) { pwarn("INCORRECT QBMASK=%lx IN SUPERBLOCK", (unsigned long)sblock.fs_qbmask); sblock.fs_qbmask = ~sblock.fs_bmask; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_qfmask != ~sblock.fs_fmask) { pwarn("INCORRECT QFMASK=%lx IN SUPERBLOCK", (unsigned long)sblock.fs_qfmask); sblock.fs_qfmask = ~sblock.fs_fmask; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_cgsize != fragroundup(&sblock, CGSIZE(&sblock))) { pwarn("INCONSISTENT CGSIZE=%d\n", sblock.fs_cgsize); sblock.fs_cgsize = fragroundup(&sblock, CGSIZE(&sblock)); if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_magic == FS_UFS2_MAGIC) inopb = sblock.fs_bsize / sizeof(struct ufs2_dinode); else inopb = sblock.fs_bsize / sizeof(struct ufs1_dinode); if (INOPB(&sblock) != inopb) { pwarn("INCONSISTENT INOPB=%d\n", INOPB(&sblock)); sblock.fs_inopb = inopb; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (sblock.fs_magic == FS_UFS2_MAGIC) nindir = sblock.fs_bsize / sizeof(int64_t); else nindir = sblock.fs_bsize / sizeof(int32_t); if (NINDIR(&sblock) != nindir) { pwarn("INCONSISTENT NINDIR=%d\n", NINDIR(&sblock)); sblock.fs_nindir = nindir; if (preen) printf(" (FIXED)\n"); if (preen || reply("FIX") == 1) { sbdirty(); dirty(&asblk); } } if (asblk.b_dirty && !bflag) { memcpy(&altsblock, &sblock, (size_t)sblock.fs_sbsize); flush(fswritefd, &asblk); } /* * read in the summary info. */ asked = 0; sblock.fs_csp = calloc(1, sblock.fs_cssize); if (sblock.fs_csp == NULL) { printf("cannot alloc %u bytes for cylinder group summary area\n", (unsigned)sblock.fs_cssize); goto badsblabel; } for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) { size = sblock.fs_cssize - i < sblock.fs_bsize ? sblock.fs_cssize - i : sblock.fs_bsize; if (bread(fsreadfd, (char *)sblock.fs_csp + i, fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag), size) != 0 && !asked) { pfatal("BAD SUMMARY INFORMATION"); if (reply("CONTINUE") == 0) { ckfini(0); errexit("%s", ""); } asked++; } } /* * allocate and initialize the necessary maps */ bmapsize = roundup(howmany(maxfsblock, NBBY), sizeof(int16_t)); blockmap = calloc((unsigned)bmapsize, sizeof(char)); if (blockmap == NULL) { printf("cannot alloc %u bytes for blockmap\n", (unsigned)bmapsize); goto badsblabel; } inostathead = calloc((unsigned)(sblock.fs_ncg), sizeof(struct inostatlist)); if (inostathead == NULL) { printf("cannot alloc %u bytes for inostathead\n", (unsigned)(sizeof(struct inostatlist) * (sblock.fs_ncg))); goto badsblabel; } numdirs = MAX(sblock.fs_cstotal.cs_ndir, 128); inplast = 0; listmax = numdirs + 10; inpsort = calloc((unsigned)listmax, sizeof(struct inoinfo *)); if (inpsort == NULL) { printf("cannot alloc %zu bytes for inpsort\n", (unsigned)listmax * sizeof(struct inoinfo *)); goto badsblabel; } inphead = calloc((unsigned)numdirs, sizeof(struct inoinfo *)); if (inphead == NULL) { printf("cannot alloc %zu bytes for inphead\n", (unsigned)numdirs * sizeof(struct inoinfo *)); goto badsblabel; } bufinit(); if (sblock.fs_flags & FS_DOSOFTDEP) usedsoftdep = 1; else usedsoftdep = 0; return (1); badsblabel: ckfini(0); return (0); }