void pass1(void) { uint_t c, i; daddr32_t cgd; struct inodesc idesc; fsck_ino_t inumber; fsck_ino_t maxinumber; /* * Set file system reserved blocks in used block map. */ for (c = 0; c < sblock.fs_ncg; c++) { cgd = cgdmin(&sblock, c); if (c == 0) { /* * Doing the first cylinder group, account for * the cg summaries as well. */ i = cgbase(&sblock, c); cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); } else { i = cgsblock(&sblock, c); } for (; i < cgd; i++) { note_used(i); } } /* * Note blocks being used by the log, so we don't declare * them as available and some time in the future we get a * freeing free block panic. */ if (islog && islogok && sblock.fs_logbno) examinelog(¬e_used); /* * Find all allocated blocks. This must be completed before * we read the contents of any directories, as dirscan() et al * don't want to know about block allocation holes. So, part * of this pass is to truncate any directories with holes to * just before those holes, so dirscan() can remain blissfully * ignorant. */ inumber = 0; n_files = n_blks = 0; resetinodebuf(); maxinumber = sblock.fs_ncg * sblock.fs_ipg; for (c = 0; c < sblock.fs_ncg; c++) { for (i = 0; i < sblock.fs_ipg; i++, inumber++) { if (inumber < UFSROOTINO) continue; init_inodesc(&idesc); idesc.id_type = ADDR; idesc.id_func = pass1check; verify_inode(inumber, &idesc, maxinumber); } } freeinodebuf(); }
void pass1() { ino_t inumber; int c, i, cgd; struct inodesc idesc; /* * Set file system reserved blocks in used block map. */ for (c = 0; c < sblock.fs_ncg; c++) { cgd = cgdmin(&sblock, c); if (c == 0) { i = cgbase(&sblock, c); cgd += howmany(sblock.fs_cssize, sblock.fs_fsize); } else i = cgsblock(&sblock, c); for (; i < cgd; i++) setbmap(i); } /* * Find all allocated blocks. */ memset(&idesc, 0, sizeof(struct inodesc)); idesc.id_type = ADDR; idesc.id_func = pass1check; inumber = 0; n_files = n_blks = 0; resetinodebuf(); for (c = 0; c < sblock.fs_ncg; c++) { for (i = 0; i < sblock.fs_ipg; i++, inumber++) { if (inumber < ROOTINO) continue; checkinode(inumber, &idesc); } } freeinodebuf(); }
/* * Scan the specified file system to check quota(s) present on it. */ int chkquota(char *specname, struct quotafile *qfu, struct quotafile *qfg) { struct fileusage *fup; union dinode *dp; int cg, i, mode, errs = 0; ino_t ino, inosused, userino = 0, groupino = 0; dev_t dev, userdev = 0, groupdev = 0; struct stat sb; const char *mntpt; char *cp; if (qfu != NULL) mntpt = quota_fsname(qfu); else if (qfg != NULL) mntpt = quota_fsname(qfg); else errx(1, "null quotafile information passed to chkquota()\n"); if (cflag) { if (vflag && qfu != NULL) printf("%s: convert user quota to %d bits\n", mntpt, cflag); if (qfu != NULL && quota_convert(qfu, cflag) < 0) { if (errno == EBADF) errx(1, "%s: cannot convert an active quota file", mntpt); err(1, "user quota conversion to size %d failed", cflag); } if (vflag && qfg != NULL) printf("%s: convert group quota to %d bits\n", mntpt, cflag); if (qfg != NULL && quota_convert(qfg, cflag) < 0) { if (errno == EBADF) errx(1, "%s: cannot convert an active quota file", mntpt); err(1, "group quota conversion to size %d failed", cflag); } } if ((fi = open(specname, O_RDONLY, 0)) < 0) { warn("%s", specname); return (1); } if ((stat(mntpt, &sb)) < 0) { warn("%s", mntpt); return (1); } dev = sb.st_dev; if (vflag) { (void)printf("*** Checking "); if (qfu) (void)printf("user%s", qfg ? " and " : ""); if (qfg) (void)printf("group"); (void)printf(" quotas for %s (%s)\n", specname, mntpt); } if (qfu) { if (stat(quota_qfname(qfu), &sb) == 0) { userino = sb.st_ino; userdev = sb.st_dev; } } if (qfg) { if (stat(quota_qfname(qfg), &sb) == 0) { groupino = sb.st_ino; groupdev = sb.st_dev; } } sync(); dev_bsize = 1; for (i = 0; sblock_try[i] != -1; i++) { bread(sblock_try[i], (char *)&sblock, (long)SBLOCKSIZE); if ((sblock.fs_magic == FS_UFS1_MAGIC || (sblock.fs_magic == FS_UFS2_MAGIC && sblock.fs_sblockloc == sblock_try[i])) && sblock.fs_bsize <= MAXBSIZE && sblock.fs_bsize >= sizeof(struct fs)) break; } if (sblock_try[i] == -1) { warn("Cannot find file system superblock"); return (1); } dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1); maxino = sblock.fs_ncg * sblock.fs_ipg; for (cg = 0; cg < sblock.fs_ncg; cg++) { ino = cg * sblock.fs_ipg; setinodebuf(ino); bread(fsbtodb(&sblock, cgtod(&sblock, cg)), (char *)(&cgblk), sblock.fs_cgsize); if (sblock.fs_magic == FS_UFS2_MAGIC) inosused = cgblk.cg_initediblk; else inosused = sblock.fs_ipg; /* * If we are using soft updates, then we can trust the * cylinder group inode allocation maps to tell us which * inodes are allocated. We will scan the used inode map * to find the inodes that are really in use, and then * read only those inodes in from disk. */ if (sblock.fs_flags & FS_DOSOFTDEP) { if (!cg_chkmagic(&cgblk)) errx(1, "CG %d: BAD MAGIC NUMBER\n", cg); cp = &cg_inosused(&cgblk)[(inosused - 1) / CHAR_BIT]; for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) { if (*cp == 0) continue; for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) { if (*cp & i) break; inosused--; } break; } if (inosused <= 0) continue; } for (i = 0; i < inosused; i++, ino++) { if ((dp = getnextinode(ino)) == NULL || ino < ROOTINO || (mode = DIP(dp, di_mode) & IFMT) == 0) continue; /* * XXX: Do not account for UIDs or GIDs that appear * to be negative to prevent generating 100GB+ * quota files. */ if ((int)DIP(dp, di_uid) < 0 || (int)DIP(dp, di_gid) < 0) { if (vflag) { if (aflag) (void)printf("%s: ", mntpt); (void)printf("out of range UID/GID (%u/%u) ino=%ju\n", DIP(dp, di_uid), DIP(dp,di_gid), (uintmax_t)ino); } continue; } /* * Do not account for file system snapshot files * or the actual quota data files to be consistent * with how they are handled inside the kernel. */ #ifdef SF_SNAPSHOT if (DIP(dp, di_flags) & SF_SNAPSHOT) continue; #endif if ((ino == userino && dev == userdev) || (ino == groupino && dev == groupdev)) continue; if (qfg) { fup = addid((u_long)DIP(dp, di_gid), GRPQUOTA, (char *)0, mntpt); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += DIP(dp, di_blocks); } if (qfu) { fup = addid((u_long)DIP(dp, di_uid), USRQUOTA, (char *)0, mntpt); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += DIP(dp, di_blocks); } } } freeinodebuf(); if (qfu) errs += update(mntpt, qfu, USRQUOTA); if (qfg) errs += update(mntpt, qfg, GRPQUOTA); close(fi); (void)fflush(stdout); return (errs); }
/* * Scan the specified filesystem to check quota(s) present on it. */ int chkquota(char *fsname, char *mntpt, struct quotaname *qnp) { struct fileusage *fup; struct ufs1_dinode *dp; int cg, i, mode, errs = 0; ino_t ino; if ((fi = open(fsname, O_RDONLY, 0)) < 0) { warn("%s", fsname); return (1); } if (vflag) { printf("*** Checking "); if (qnp->flags & HASUSR) printf("%s%s", qfextension[USRQUOTA], (qnp->flags & HASGRP) ? " and " : ""); if (qnp->flags & HASGRP) printf("%s", qfextension[GRPQUOTA]); printf(" quotas for %s (%s)\n", fsname, mntpt); } sync(); dev_bsize = 1; bread(SBOFF, (char *)&sblock, (long)SBSIZE); dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1); maxino = sblock.fs_ncg * sblock.fs_ipg; resetinodebuf(); for (ino = 0, cg = 0; cg < sblock.fs_ncg; cg++) { for (i = 0; i < sblock.fs_ipg; i++, ino++) { if (ino < ROOTINO) continue; if ((dp = getnextinode(ino)) == NULL) continue; if ((mode = dp->di_mode & IFMT) == 0) continue; if (qnp->flags & HASGRP) { fup = addid((u_long)dp->di_gid, GRPQUOTA, NULL); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += dp->di_blocks; } if (qnp->flags & HASUSR) { fup = addid((u_long)dp->di_uid, USRQUOTA, NULL); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += dp->di_blocks; } } } freeinodebuf(); if (qnp->flags & HASUSR) errs += update(mntpt, qnp->usrqfname, USRQUOTA); if (qnp->flags & HASGRP) errs += update(mntpt, qnp->grpqfname, GRPQUOTA); close(fi); return (errs); }
/* * Scan the specified file system to check quota(s) present on it. */ int chkquota(const char *vfstype, const char *fsname, const char *mntpt, void *auxarg, pid_t *pidp) { struct quotaname *qnp = auxarg; struct fileusage *fup; union dinode *dp; int cg, i, mode, errs = 0, status; ino_t ino, inosused; pid_t pid; char *cp; switch (pid = fork()) { case -1: /* error */ warn("fork"); return 1; case 0: /* child */ if ((fi = open(fsname, O_RDONLY, 0)) < 0) err(1, "%s", fsname); sync(); dev_bsize = 1; for (i = 0; sblock_try[i] != -1; i++) { bread(sblock_try[i], (char *)&sblock, (long)SBLOCKSIZE); if ((sblock.fs_magic == FS_UFS1_MAGIC || (sblock.fs_magic == FS_UFS2_MAGIC && sblock.fs_sblockloc == sblock_try[i])) && sblock.fs_bsize <= MAXBSIZE && sblock.fs_bsize >= sizeof(struct fs)) break; } if (sblock_try[i] == -1) { warn("Cannot find file system superblock"); return (1); } dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1); maxino = sblock.fs_ncg * sblock.fs_ipg; for (cg = 0; cg < sblock.fs_ncg; cg++) { ino = cg * sblock.fs_ipg; setinodebuf(ino); bread(fsbtodb(&sblock, cgtod(&sblock, cg)), (char *)(&cgblk), sblock.fs_cgsize); if (sblock.fs_magic == FS_UFS2_MAGIC) inosused = cgblk.cg_initediblk; else inosused = sblock.fs_ipg; /* * If we are using soft updates, then we can trust the * cylinder group inode allocation maps to tell us which * inodes are allocated. We will scan the used inode map * to find the inodes that are really in use, and then * read only those inodes in from disk. */ if (sblock.fs_flags & FS_DOSOFTDEP) { if (!cg_chkmagic(&cgblk)) errx(1, "CG %d: BAD MAGIC NUMBER\n", cg); cp = &cg_inosused(&cgblk)[(inosused - 1) / CHAR_BIT]; for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) { if (*cp == 0) continue; for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) { if (*cp & i) break; inosused--; } break; } if (inosused <= 0) continue; } for (i = 0; i < inosused; i++, ino++) { if ((dp = getnextinode(ino)) == NULL || ino < ROOTINO || (mode = DIP(dp, di_mode) & IFMT) == 0) continue; if (qnp->flags & HASGRP) { fup = addid(DIP(dp, di_gid), GRPQUOTA, NULL); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += DIP(dp, di_blocks); } if (qnp->flags & HASUSR) { fup = addid(DIP(dp, di_uid), USRQUOTA, NULL); fup->fu_curinodes++; if (mode == IFREG || mode == IFDIR || mode == IFLNK) fup->fu_curblocks += DIP(dp, di_blocks); } } } freeinodebuf(); if (flags&(CHECK_DEBUG|CHECK_VERBOSE)) { (void)printf("*** Checking "); if (qnp->flags & HASUSR) { (void)printf("%s", qfextension[USRQUOTA]); if (qnp->flags & HASGRP) (void)printf(" and "); } if (qnp->flags & HASGRP) (void)printf("%s", qfextension[GRPQUOTA]); (void)printf(" quotas for %s (%s), %swait\n", fsname, mntpt, pidp? "no" : ""); } if (qnp->flags & HASUSR) errs += update(mntpt, qnp->usrqfname, USRQUOTA); if (qnp->flags & HASGRP) errs += update(mntpt, qnp->grpqfname, GRPQUOTA); close(fi); exit (errs); break; default: /* parent */ if (pidp != NULL) { *pidp = pid; return 0; } if (waitpid(pid, &status, 0) < 0) { warn("waitpid"); return 1; } if (WIFEXITED(status)) { if (WEXITSTATUS(status) != 0) return WEXITSTATUS(status); } else if (WIFSIGNALED(status)) { warnx("%s: %s", fsname, strsignal(WTERMSIG(status))); return 1; } break; } return (0); }