Exemplo n.º 1
0
void
pass4(void)
{
	ino_t inumber;
	struct zlncnt *zlnp;
	struct ext2fs_dinode *dp;
	struct inodesc idesc;
	int n;

	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = ADDR;
	idesc.id_func = pass4check;
	for (inumber = EXT2_ROOTINO; inumber <= lastino; inumber++) {
		if (inumber < EXT2_FIRSTINO && inumber > EXT2_ROOTINO)
			continue;
		idesc.id_number = inumber;
		switch (statemap[inumber]) {

		case FSTATE:
		case DFOUND:
			n = lncntp[inumber];
			if (n)
				adjust(&idesc, (short)n);
			else {
				for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
					if (zlnp->zlncnt == inumber) {
						zlnp->zlncnt = zlnhead->zlncnt;
						zlnp = zlnhead;
						zlnhead = zlnhead->next;
						free((char *)zlnp);
						clri(&idesc, "UNREF", 1);
						break;
					}
			}
			break;

		case DSTATE:
			clri(&idesc, "UNREF", 1);
			break;

		case DCLEAR:
			dp = ginode(inumber);
			if (inosize(dp) == 0) {
				clri(&idesc, "ZERO LENGTH", 1);
				break;
			}
			/* fall through */
		case FCLEAR:
			clri(&idesc, "BAD/DUP", 1);
			break;

		case USTATE:
			break;

		default:
			errexit("BAD STATE %d FOR INODE I=%llu\n",
			    statemap[inumber], (unsigned long long)inumber);
		}
	}
}
Exemplo n.º 2
0
void
pass4()
{
	register u_int32_t inumber;
	register struct zlncnt *zlnp;
	struct dinode *dp;
	struct inodesc idesc;
	int n;

	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = ADDR;
	idesc.id_func = pass4check;
	for (inumber = ROOTINO; inumber <= lastino; inumber++) {
		idesc.id_number = inumber;
		switch (statemap[inumber]) {

		case FSTATE:
		case DFOUND:
			n = lncntp[inumber];
			if (n)
				adjust(&idesc, (short)n);
			else {
				for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
					if (zlnp->zlncnt == inumber) {
						zlnp->zlncnt = zlnhead->zlncnt;
						zlnp = zlnhead;
						zlnhead = zlnhead->next;
						free((char *)zlnp);
						clri(&idesc, "UNREF", 1);
						break;
					}
			}
			break;

		case DSTATE:
			clri(&idesc, "UNREF", 1);
			break;

		case DCLEAR:
			dp = ginode(inumber);
			if (dp->di_size == 0) {
				clri(&idesc, "ZERO LENGTH", 1);
				break;
			}
			/* fall through */
		case FCLEAR:
			clri(&idesc, "BAD/DUP", 1);
			break;

		case USTATE:
			break;

		default:
			errx(EEXIT, "BAD STATE %d FOR INODE I=%d",
			    statemap[inumber], inumber);
		}
	}
}
Exemplo n.º 3
0
void
adjust(struct inodesc *idesc, int lcnt)
{
	struct ufs1_dinode *dp;
	int saveresolved;

	dp = ginode(idesc->id_number);
	if (dp->di_nlink == lcnt) {
		/*
		 * If we have not hit any unresolved problems, are running
		 * in preen mode, and are on a filesystem using soft updates,
		 * then just toss any partially allocated files.
		 */
		if (resolved && preen && usedsoftdep) {
			clri(idesc, "UNREF", 1);
			return;
		} else {
			/*
			 * The filesystem can be marked clean even if
			 * a file is not linked up, but is cleared.
			 * Hence, resolved should not be cleared when
			 * linkup is answered no, but clri is answered yes.
			 */
			saveresolved = resolved;
			if (linkup(idesc->id_number, (ufs1_ino_t)0, NULL) == 0) {
				resolved = saveresolved;
				clri(idesc, "UNREF", 0);
				return;
			}
			/*
			 * Account for the new reference created by linkup().
			 */
			dp = ginode(idesc->id_number);
			lcnt--;
		}
	}
	if (lcnt != 0) {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
			((dp->di_mode & IFMT) == IFDIR ? "DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d",
			dp->di_nlink, dp->di_nlink - lcnt);
		if (preen || usedsoftdep) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			if (preen)
				printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			dp->di_nlink -= lcnt;
			inodirty();
		}
	}
}
Exemplo n.º 4
0
void
adjust(struct inodesc *idesc, short lcnt)
{
	struct ext2fs_dinode *dp;

	dp = ginode(idesc->id_number);
	if (fs2h16(dp->e2di_nlink) == lcnt) {
		if (linkup(idesc->id_number, (ino_t)0) == 0)
			clri(idesc, "UNREF", 0);
	} else {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
			((fs2h16(dp->e2di_mode) & IFMT) == IFDIR ? "DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d",
			fs2h16(dp->e2di_nlink), fs2h16(dp->e2di_nlink) - lcnt);
		if (preen) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			dp->e2di_nlink = h2fs16(fs2h16(dp->e2di_nlink) - lcnt);
			inodirty();
		}
	}
}
Exemplo n.º 5
0
void
adjust(struct inodesc *idesc, short lcnt)
{
	union dinode *dp;

	dp = ginode(idesc->id_number);
	if (DIP(dp, di_nlink) == lcnt) {
		if (linkup(idesc->id_number, 0) == 0)
			clri(idesc, "UNREF", 0);
	} else {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
			((DIP(dp, di_mode) & IFMT) == IFDIR ? "DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d", DIP(dp, di_nlink),
		    DIP(dp, di_nlink) - lcnt);
		if (preen || usedsoftdep) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			if (preen)
				printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			DIP_SET(dp, di_nlink, DIP(dp, di_nlink) - lcnt);
			inodirty();
		}
	}
}
Exemplo n.º 6
0
void
adjust(struct inodesc *idesc, short lcnt)
{
	struct uvnode *vp;
	union lfs_dinode *dp;

	/*
	 * XXX: (1) since lcnt is apparently a delta, rename it; (2)
	 * why is it a value to *subtract*? that is unnecessarily
	 * confusing.
	 */

	vp = vget(fs, idesc->id_number);
	dp = VTOD(vp);
	if (lfs_dino_getnlink(fs, dp) == lcnt) {
		if (linkup(idesc->id_number, (ino_t) 0) == 0)
			clri(idesc, "UNREF", 0);
	} else {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
		    ((lfs_dino_getmode(fs, dp) & LFS_IFMT) == LFS_IFDIR ? "DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d",
		    lfs_dino_getnlink(fs, dp), lfs_dino_getnlink(fs, dp) - lcnt);
		if (preen) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			lfs_dino_setnlink(fs, dp,
			    lfs_dino_getnlink(fs, dp) - lcnt);
			inodirty(VTOI(vp));
		}
	}
}
Exemplo n.º 7
0
void
adjust(struct inodesc *idesc, int lcnt)
{
	union dinode *dp;
	int saveresolved;

	dp = ginode(idesc->id_number);
	if (DIP(dp, di_nlink) == lcnt) {
		/*
		 * If we have not hit any unresolved problems, are running
		 * in preen mode, and are on a file system using soft updates,
		 * then just toss any partially allocated files.
		 */
		if (resolved && (preen || bkgrdflag) && usedsoftdep) {
			clri(idesc, "UNREF", 1);
			return;
		} else {
			/*
			 * The file system can be marked clean even if
			 * a file is not linked up, but is cleared.
			 * Hence, resolved should not be cleared when
			 * linkup is answered no, but clri is answered yes.
			 */
			saveresolved = resolved;
			if (linkup(idesc->id_number, (ino_t)0, NULL) == 0) {
				resolved = saveresolved;
				clri(idesc, "UNREF", 0);
				return;
			}
			/*
			 * Account for the new reference created by linkup().
			 */
			dp = ginode(idesc->id_number);
			lcnt--;
		}
	}
	if (lcnt != 0) {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
			((DIP(dp, di_mode) & IFMT) == IFDIR ? "DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d",
			DIP(dp, di_nlink), DIP(dp, di_nlink) - lcnt);
		if (preen || usedsoftdep) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			if (preen)
				printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			if (bkgrdflag == 0) {
				DIP_SET(dp, di_nlink, DIP(dp, di_nlink) - lcnt);
				inodirty();
			} else {
				cmd.value = idesc->id_number;
				cmd.size = -lcnt;
				if (debug)
					printf("adjrefcnt ino %ld amt %lld\n",
					    (long)cmd.value,
					    (long long)cmd.size);
				if (sysctl(adjrefcnt, MIBSIZE, 0, 0,
				    &cmd, sizeof cmd) == -1)
					rwerror("ADJUST INODE", cmd.value);
			}
		}
	}
}
Exemplo n.º 8
0
/*
 * Scan each entry in a directory block.
 */
int
dirscan(struct inodesc *idesc)
{
	struct direct *dp;
	struct bufarea *bp;
	int dsize, n;
	long blksiz;
#if DIRBLKSIZ > APPLEUFS_DIRBLKSIZ
	char dbuf[DIRBLKSIZ];
#else
	char dbuf[APPLEUFS_DIRBLKSIZ];
#endif

	if (idesc->id_type != DATA)
		errexit("wrong type to dirscan %d", idesc->id_type);
	if (idesc->id_entryno == 0 &&
	    (idesc->id_filesize & (dirblksiz - 1)) != 0)
		idesc->id_filesize = roundup(idesc->id_filesize, dirblksiz);
	blksiz = idesc->id_numfrags * sblock->fs_fsize;
	if (chkrange(idesc->id_blkno, idesc->id_numfrags)) {
		idesc->id_filesize -= blksiz;
		return (SKIP);
	}

	/*
	 * If we are are swapping byte order in directory entries, just swap
	 * this block and return.
	 */
	if (do_dirswap) {
		int off;
		bp = getdirblk(idesc->id_blkno, blksiz);
		for (off = 0; off < blksiz; off += iswap16(dp->d_reclen)) {
			dp = (struct direct *)(bp->b_un.b_buf + off);
			dp->d_ino = bswap32(dp->d_ino);
			dp->d_reclen = bswap16(dp->d_reclen);
			if (!newinofmt) {
				u_int8_t tmp = dp->d_namlen;
				dp->d_namlen = dp->d_type;
				dp->d_type = tmp;
			}
			if (dp->d_reclen == 0)
				break;
		}
		dirty(bp);
		idesc->id_filesize -= blksiz;
		return (idesc->id_filesize > 0 ? KEEPON : STOP);
	}

	idesc->id_loc = 0;
	for (dp = fsck_readdir(idesc); dp != NULL; dp = fsck_readdir(idesc)) {
		dsize = iswap16(dp->d_reclen);
		if (dsize > sizeof dbuf)
			dsize = sizeof dbuf;
		memmove(dbuf, dp, (size_t)dsize);
#		if (BYTE_ORDER == LITTLE_ENDIAN)
			if (!newinofmt && !needswap) {
#		else
			if (!newinofmt && needswap) {
#		endif
				struct direct *tdp = (struct direct *)dbuf;
				u_char tmp;

				tmp = tdp->d_namlen;
				tdp->d_namlen = tdp->d_type;
				tdp->d_type = tmp;
			}
		idesc->id_dirp = (struct direct *)dbuf;
		if ((n = (*idesc->id_func)(idesc)) & ALTERED) {
#			if (BYTE_ORDER == LITTLE_ENDIAN)
				if (!newinofmt && !doinglevel2 && !needswap) {
#			else
				if (!newinofmt && !doinglevel2 && needswap) {
#			endif
					struct direct *tdp;
					u_char tmp;

					tdp = (struct direct *)dbuf;
					tmp = tdp->d_namlen;
					tdp->d_namlen = tdp->d_type;
					tdp->d_type = tmp;
				}
			bp = getdirblk(idesc->id_blkno, blksiz);
			memmove(bp->b_un.b_buf + idesc->id_loc - dsize, dbuf,
			    (size_t)dsize);
			dirty(bp);
			sbdirty();
		}
		if (n & STOP) 
			return (n);
	}
	return (idesc->id_filesize > 0 ? KEEPON : STOP);
}

/*
 * get next entry in a directory.
 */
static struct direct *
fsck_readdir(struct inodesc *idesc)
{
	struct direct *dp, *ndp;
	struct bufarea *bp;
	long size, blksiz, fix, dploc;

	blksiz = idesc->id_numfrags * sblock->fs_fsize;
	bp = getdirblk(idesc->id_blkno, blksiz);
	if (idesc->id_loc % dirblksiz == 0 && idesc->id_filesize > 0 &&
	    idesc->id_loc < blksiz) {
		dp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
		if (dircheck(idesc, dp))
			goto dpok;
		if (idesc->id_fix == IGNORE)
			return (0);
		fix = dofix(idesc, "DIRECTORY CORRUPTED");
		bp = getdirblk(idesc->id_blkno, blksiz);
		dp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
		dp->d_reclen = iswap16(dirblksiz);
		dp->d_ino = 0;
		dp->d_type = 0;
		dp->d_namlen = 0;
		dp->d_name[0] = '\0';
		if (fix)
			dirty(bp);
		else 
			markclean = 0;
		idesc->id_loc += dirblksiz;
		idesc->id_filesize -= dirblksiz;
		return (dp);
	}
dpok:
	if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz)
		return NULL;
	dploc = idesc->id_loc;
	dp = (struct direct *)(bp->b_un.b_buf + dploc);
	idesc->id_loc += iswap16(dp->d_reclen);
	idesc->id_filesize -= iswap16(dp->d_reclen);
	if ((idesc->id_loc % dirblksiz) == 0)
		return (dp);
	ndp = (struct direct *)(bp->b_un.b_buf + idesc->id_loc);
	if (idesc->id_loc < blksiz && idesc->id_filesize > 0 &&
	    dircheck(idesc, ndp) == 0) {
		size = dirblksiz - (idesc->id_loc % dirblksiz);
		idesc->id_loc += size;
		idesc->id_filesize -= size;
		if (idesc->id_fix == IGNORE)
			return (0);
		fix = dofix(idesc, "DIRECTORY CORRUPTED");
		bp = getdirblk(idesc->id_blkno, blksiz);
		dp = (struct direct *)(bp->b_un.b_buf + dploc);
		dp->d_reclen = iswap16(iswap16(dp->d_reclen) + size);
		if (fix)
			dirty(bp);
		else 
			markclean = 0;
	}
	return (dp);
}

/*
 * Verify that a directory entry is valid.
 * This is a superset of the checks made in the kernel.
 */
static int
dircheck(struct inodesc *idesc, struct direct *dp)
{
	int size;
	char *cp;
	u_char namlen, type;
	int spaceleft;

	spaceleft = dirblksiz - (idesc->id_loc % dirblksiz);
	if (iswap32(dp->d_ino) >= maxino ||
	    dp->d_reclen == 0 ||
	    iswap16(dp->d_reclen) > spaceleft ||
	    (iswap16(dp->d_reclen) & 0x3) != 0) 
		return (0);
	if (dp->d_ino == 0)
		return (1);
	size = DIRSIZ(!newinofmt, dp, needswap);
#	if (BYTE_ORDER == LITTLE_ENDIAN)
		if (!newinofmt && !needswap) {
#	else
		if (!newinofmt && needswap) {
#	endif
			type = dp->d_namlen;
			namlen = dp->d_type;
		} else {
			namlen = dp->d_namlen;
			type = dp->d_type;
		}
	if (iswap16(dp->d_reclen) < size ||
	    idesc->id_filesize < size ||
	    /* namlen > MAXNAMLEN || */
	    type > 15)
		return (0);
	for (cp = dp->d_name, size = 0; size < namlen; size++)
		if (*cp == '\0' || (*cp++ == '/'))
			return (0);
	if (*cp != '\0')
		return (0);
	return (1);
}

void
direrror(ino_t ino, const char *errmesg)
{

	fileerror(ino, ino, errmesg);
}

void
fileerror(ino_t cwd, ino_t ino, const char *errmesg)
{
	union dinode *dp;
	char pathbuf[MAXPATHLEN + 1];
	uint16_t mode;

	pwarn("%s ", errmesg);
	pinode(ino);
	printf("\n");
	getpathname(pathbuf, sizeof(pathbuf), cwd, ino);
	if (ino < ROOTINO || ino > maxino) {
		pfatal("NAME=%s\n", pathbuf);
		return;
	}
	dp = ginode(ino);
	if (ftypeok(dp)) {
		mode = DIP(dp, mode);
		pfatal("%s=%s\n",
		    (iswap16(mode) & IFMT) == IFDIR ? "DIR" : "FILE", pathbuf);
	}
	else
		pfatal("NAME=%s\n", pathbuf);
}

void
adjust(struct inodesc *idesc, int lcnt)
{
	union dinode *dp;
	int16_t nlink;
	int saveresolved;

	dp = ginode(idesc->id_number);
	nlink = iswap16(DIP(dp, nlink));
	if (nlink == lcnt) {
		/*
		 * If we have not hit any unresolved problems, are running
		 * in preen mode, and are on a file system using soft updates,
		 * then just toss any partially allocated files.
		 */
		if (resolved && preen && usedsoftdep) {
			clri(idesc, "UNREF", 1);
			return;
		} else {
			/*
			 * The file system can be marked clean even if
			 * a file is not linked up, but is cleared.
			 * Hence, resolved should not be cleared when
			 * linkup is answered no, but clri is answered yes.
			 */
			saveresolved = resolved;
			if (linkup(idesc->id_number, (ino_t)0, NULL) == 0) {
				resolved = saveresolved;
				clri(idesc, "UNREF", 0);
				return;
			}
			/*
			 * Account for the new reference created by linkup().
			 */
			dp = ginode(idesc->id_number);
			lcnt--;
		}
	}
	if (lcnt != 0) {
		pwarn("LINK COUNT %s", (lfdir == idesc->id_number) ? lfname :
			((iswap16(DIP(dp, mode)) & IFMT) == IFDIR ?
			"DIR" : "FILE"));
		pinode(idesc->id_number);
		printf(" COUNT %d SHOULD BE %d",
			nlink, nlink - lcnt);
		if (preen || usedsoftdep) {
			if (lcnt < 0) {
				printf("\n");
				pfatal("LINK COUNT INCREASING");
			}
			if (preen)
				printf(" (ADJUSTED)\n");
		}
		if (preen || reply("ADJUST") == 1) {
			DIP_SET(dp, nlink, iswap16(nlink - lcnt));
			inodirty();
		} else 
			markclean = 0;
	}
}

static int
mkentry(struct inodesc *idesc)
{
	struct direct *dirp = idesc->id_dirp;
	struct direct newent;
	int newlen, oldlen;

	newent.d_namlen = strlen(idesc->id_name);
	newlen = DIRSIZ(0, &newent, 0);
	if (dirp->d_ino != 0)
		oldlen = DIRSIZ(0, dirp, 0);
	else
		oldlen = 0;
	if (iswap16(dirp->d_reclen) - oldlen < newlen)
		return (KEEPON);
	newent.d_reclen = iswap16(iswap16(dirp->d_reclen) - oldlen);
	dirp->d_reclen = iswap16(oldlen);
	dirp = (struct direct *)(((char *)dirp) + oldlen);
	/* ino to be entered is in id_parent */
	dirp->d_ino = iswap32(idesc->id_parent);
	dirp->d_reclen = newent.d_reclen;
	if (newinofmt)
		dirp->d_type = inoinfo(idesc->id_parent)->ino_type;
	else
		dirp->d_type = 0;
	dirp->d_namlen = newent.d_namlen;
	memmove(dirp->d_name, idesc->id_name, (size_t)newent.d_namlen + 1);
#	if (BYTE_ORDER == LITTLE_ENDIAN)
		/*
		 * If the entry was split, dirscan() will only reverse the byte
		 * order of the original entry, and not the new one, before
		 * writing it back out.  So, we reverse the byte order here if
		 * necessary.
		 */
		if (oldlen != 0 && !newinofmt && !doinglevel2 && !needswap) {
#	else
		if (oldlen != 0 && !newinofmt && !doinglevel2 && needswap) {
#	endif
			u_char tmp;

			tmp = dirp->d_namlen;
			dirp->d_namlen = dirp->d_type;
			dirp->d_type = tmp;
		}
	return (ALTERED|STOP);
}

static int
chgino(struct inodesc *idesc)
{
	struct direct *dirp = idesc->id_dirp;

	if (memcmp(dirp->d_name, idesc->id_name, (int)dirp->d_namlen + 1))
		return (KEEPON);
	dirp->d_ino = iswap32(idesc->id_parent);
	if (newinofmt)
		dirp->d_type = inoinfo(idesc->id_parent)->ino_type;
	else
		dirp->d_type = 0;
	return (ALTERED|STOP);
}

int
linkup(ino_t orphan, ino_t parentdir, char *name)
{
	union dinode *dp;
	int lostdir;
	ino_t oldlfdir;
	struct inodesc idesc;
	char tempname[BUFSIZ];
	int16_t nlink;
	uint16_t mode;

	memset(&idesc, 0, sizeof(struct inodesc));
	dp = ginode(orphan);
	mode = iswap16(DIP(dp, mode));
	nlink = iswap16(DIP(dp, nlink));
	lostdir = (mode & IFMT) == IFDIR;
	pwarn("UNREF %s ", lostdir ? "DIR" : "FILE");
	pinode(orphan);
	if (preen  && DIP(dp, size) == 0)
		return (0);
	if (preen)
		printf(" (RECONNECTED)\n");
	else
		if (reply("RECONNECT") == 0) {
			markclean = 0;
			return (0);
		}
	if (parentdir != 0)
		inoinfo(parentdir)->ino_linkcnt++;
	if (lfdir == 0) {
		dp = ginode(ROOTINO);
		idesc.id_name = lfname;
		idesc.id_type = DATA;
		idesc.id_func = findino;
		idesc.id_number = ROOTINO;
		if ((ckinode(dp, &idesc) & FOUND) != 0) {
			lfdir = idesc.id_parent;
		} else {
			pwarn("NO lost+found DIRECTORY");
			if (preen || reply("CREATE")) {
				lfdir = allocdir(ROOTINO, (ino_t)0, lfmode);
				if (lfdir != 0) {
					if (makeentry(ROOTINO, lfdir, lfname) != 0) {
						numdirs++;
						if (preen)
							printf(" (CREATED)\n");
					} else {
						freedir(lfdir, ROOTINO);
						lfdir = 0;
						if (preen)
							printf("\n");
					}
				}
				if (lfdir != 0) {
					reparent(lfdir, ROOTINO);
				}
			}
		}
		if (lfdir == 0) {
			pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY\n\n");
			markclean = 0;
			return (0);
		}
	}
	dp = ginode(lfdir);
	mode = DIP(dp, mode);
	mode = iswap16(mode);
	if ((mode & IFMT) != IFDIR) {
		pfatal("lost+found IS NOT A DIRECTORY");
		if (reply("REALLOCATE") == 0) {
			markclean = 0;
			return (0);
		}
		oldlfdir = lfdir;
		lfdir = allocdir(ROOTINO, (ino_t)0, lfmode);
		if (lfdir == 0) {
			pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY\n\n");
			markclean = 0;
			return (0);
		}
		if ((changeino(ROOTINO, lfname, lfdir) & ALTERED) == 0) {
			pfatal("SORRY. CANNOT CREATE lost+found DIRECTORY\n\n");
			markclean = 0;
			return (0);
		}
		inodirty();
		reparent(lfdir, ROOTINO);
		idesc.id_type = ADDR;
		idesc.id_func = pass4check;
		idesc.id_number = oldlfdir;
		adjust(&idesc, inoinfo(oldlfdir)->ino_linkcnt + 1);
		inoinfo(oldlfdir)->ino_linkcnt = 0;
		dp = ginode(lfdir);
	}
	if (inoinfo(lfdir)->ino_state != DFOUND) {
		pfatal("SORRY. NO lost+found DIRECTORY\n\n");
		markclean = 0;
		return (0);
	}
	(void)lftempname(tempname, orphan);
	if (makeentry(lfdir, orphan, (name ? name : tempname)) == 0) {
		pfatal("SORRY. NO SPACE IN lost+found DIRECTORY");
		printf("\n\n");
		markclean = 0;
		return (0);
	}
	inoinfo(orphan)->ino_linkcnt--;
	if (lostdir) {
		if ((changeino(orphan, "..", lfdir) & ALTERED) == 0 &&
		    parentdir != (ino_t)-1)
			(void)makeentry(orphan, lfdir, "..");
		dp = ginode(lfdir);
		nlink = DIP(dp, nlink);
		DIP_SET(dp, nlink, iswap16(iswap16(nlink) + 1));
		inodirty();
		inoinfo(lfdir)->ino_linkcnt++;
		reparent(orphan, lfdir);
		pwarn("DIR I=%llu CONNECTED. ", (unsigned long long)orphan);
		if (parentdir != (ino_t)-1)
			printf("PARENT WAS I=%llu\n",
			    (unsigned long long)parentdir);
		if (preen == 0)
			printf("\n");
	}
	return (1);
}

/*
 * fix an entry in a directory.
 */
int
changeino(ino_t dir, const char *name, ino_t newnum)
{
	struct inodesc idesc;

	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = DATA;
	idesc.id_func = chgino;
	idesc.id_number = dir;
	idesc.id_fix = DONTKNOW;
	idesc.id_name = name;
	idesc.id_parent = newnum;	/* new value for name */
	return (ckinode(ginode(dir), &idesc));
}

/*
 * make an entry in a directory
 */
int
makeentry(ino_t parent, ino_t ino, const char *name)
{
	union dinode *dp;
	struct inodesc idesc;
	char pathbuf[MAXPATHLEN + 1];
	
	if (parent < ROOTINO || parent >= maxino ||
	    ino < ROOTINO || ino >= maxino)
		return (0);
	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = DATA;
	idesc.id_func = mkentry;
	idesc.id_number = parent;
	idesc.id_parent = ino;	/* this is the inode to enter */
	idesc.id_fix = DONTKNOW;
	idesc.id_name = name;
	dp = ginode(parent);
	if (iswap64(DIP(dp, size)) % dirblksiz) {
		DIP_SET(dp, size,
		    iswap64(roundup(iswap64(DIP(dp, size)), dirblksiz)));
		inodirty();
	}
	if ((ckinode(dp, &idesc) & ALTERED) != 0)
		return (1);
	getpathname(pathbuf, sizeof(pathbuf), parent, parent);
	dp = ginode(parent);
	if (expanddir(dp, pathbuf) == 0)
		return (0);
	return (ckinode(dp, &idesc) & ALTERED);
}

/*
 * Attempt to expand the size of a directory
 */
static int
expanddir(union dinode *dp, char *name)
{
	daddr_t lastbn, newblk, dirblk;
	struct bufarea *bp;
	char *cp;
#if DIRBLKSIZ > APPLEUFS_DIRBLKSIZ
	char firstblk[DIRBLKSIZ];
#else
	char firstblk[APPLEUFS_DIRBLKSIZ];
#endif
	struct ufs1_dinode *dp1 = NULL;
	struct ufs2_dinode *dp2 = NULL;

	if (is_ufs2)
		dp2 = &dp->dp2;
	else
		dp1 = &dp->dp1;

	lastbn = lblkno(sblock, iswap64(DIP(dp, size)));
	if (lastbn >= NDADDR - 1 || DIP(dp, db[lastbn]) == 0 ||
	    DIP(dp, size) == 0)
		return (0);
	if ((newblk = allocblk(sblock->fs_frag)) == 0)
		return (0);
	if (is_ufs2) {
		dp2->di_db[lastbn + 1] = dp2->di_db[lastbn];
		dp2->di_db[lastbn] = iswap64(newblk);
		dp2->di_size = iswap64(iswap64(dp2->di_size)+sblock->fs_bsize);
		dp2->di_blocks = iswap64(iswap64(dp2->di_blocks) +
		    btodb(sblock->fs_bsize));
		dirblk = iswap64(dp2->di_db[lastbn + 1]);
	} else {
		dp1->di_db[lastbn + 1] = dp1->di_db[lastbn];
		dp1->di_db[lastbn] = iswap32((int32_t)newblk);
		dp1->di_size = iswap64(iswap64(dp1->di_size)+sblock->fs_bsize);
		dp1->di_blocks = iswap32(iswap32(dp1->di_blocks) +
		    btodb(sblock->fs_bsize));
		dirblk = iswap32(dp1->di_db[lastbn + 1]);
	}
	bp = getdirblk(dirblk, sblksize(sblock, DIP(dp, size), lastbn + 1));
	if (bp->b_errs)
		goto bad;
	memmove(firstblk, bp->b_un.b_buf, dirblksiz);
	bp = getdirblk(newblk, sblock->fs_bsize);
	if (bp->b_errs)
		goto bad;
	memmove(bp->b_un.b_buf, firstblk, dirblksiz);
	emptydir.dot_reclen = iswap16(dirblksiz);
	for (cp = &bp->b_un.b_buf[dirblksiz];
	     cp < &bp->b_un.b_buf[sblock->fs_bsize];
	     cp += dirblksiz)
		memmove(cp, &emptydir, sizeof emptydir);
	dirty(bp);
	bp = getdirblk(dirblk, sblksize(sblock, DIP(dp, size), lastbn + 1));
	if (bp->b_errs)
		goto bad;
	memmove(bp->b_un.b_buf, &emptydir, sizeof emptydir);
	pwarn("NO SPACE LEFT IN %s", name);
	if (preen)
		printf(" (EXPANDED)\n");
	else if (reply("EXPAND") == 0)
		goto bad;
	dirty(bp);
	inodirty();
	return (1);
bad:
	if (is_ufs2) {
		dp2->di_db[lastbn] = dp2->di_db[lastbn + 1];
		dp2->di_db[lastbn + 1] = 0;
		dp2->di_size = iswap64(iswap64(dp2->di_size)-sblock->fs_bsize);
		dp2->di_blocks = iswap64(iswap64(dp2->di_blocks) -
		    btodb(sblock->fs_bsize));
	} else {
		dp1->di_db[lastbn] = dp1->di_db[lastbn + 1];
		dp1->di_db[lastbn + 1] = 0;
		dp1->di_size = iswap64(iswap64(dp1->di_size)-sblock->fs_bsize);
		dp1->di_blocks = iswap32(iswap32(dp1->di_blocks) -
		    btodb(sblock->fs_bsize));
	}
	freeblk(newblk, sblock->fs_frag);
	markclean = 0;
	return (0);
}

/*
 * allocate a new directory
 */
ino_t
allocdir(ino_t parent, ino_t request, int mode)
{
	ino_t ino;
	char *cp;
	union dinode *dp;
	struct bufarea *bp;
	struct inoinfo *inp;
	struct dirtemplate *dirp;
	daddr_t dirblk;

	ino = allocino(request, IFDIR|mode);
	if (ino < ROOTINO)
		return 0;
	dirhead.dot_reclen = iswap16(12);
	dirhead.dotdot_reclen = iswap16(dirblksiz - 12);
	odirhead.dot_reclen = iswap16(12);
	odirhead.dotdot_reclen = iswap16(dirblksiz - 12);
	odirhead.dot_namlen = iswap16(1);
	odirhead.dotdot_namlen = iswap16(2);
	if (newinofmt)
		dirp = &dirhead;
	else
		dirp = (struct dirtemplate *)&odirhead;
	dirp->dot_ino = iswap32(ino);
	dirp->dotdot_ino = iswap32(parent);
	dp = ginode(ino);
	dirblk = is_ufs2 ? iswap64(dp->dp2.di_db[0])
		    : iswap32(dp->dp1.di_db[0]);
	bp = getdirblk(dirblk, sblock->fs_fsize);
	if (bp->b_errs) {
		freeino(ino);
		return (0);
	}
	memmove(bp->b_un.b_buf, dirp, sizeof(struct dirtemplate));
	emptydir.dot_reclen = iswap16(dirblksiz);
	for (cp = &bp->b_un.b_buf[dirblksiz];
	     cp < &bp->b_un.b_buf[sblock->fs_fsize];
	     cp += dirblksiz)
		memmove(cp, &emptydir, sizeof emptydir);
	dirty(bp);
	DIP_SET(dp, nlink, iswap16(2));
	inodirty();
	if (ino == ROOTINO) {
		inoinfo(ino)->ino_linkcnt = iswap16(DIP(dp, nlink));
		cacheino(dp, ino);
		return(ino);
	}
	if (inoinfo(parent)->ino_state != DSTATE &&
	    inoinfo(parent)->ino_state != DFOUND) {
		freeino(ino);
		return (0);
	}
	cacheino(dp, ino);
	inp = getinoinfo(ino);
	inp->i_parent = parent;
	inp->i_dotdot = parent;
	inoinfo(ino)->ino_state = inoinfo(parent)->ino_state;
	if (inoinfo(ino)->ino_state == DSTATE) {
		inoinfo(ino)->ino_linkcnt = iswap16(DIP(dp, nlink));
		inoinfo(parent)->ino_linkcnt++;
	}
	dp = ginode(parent);
	DIP_SET(dp, nlink, iswap16(iswap16(DIP(dp, nlink)) + 1));
	inodirty();
	return (ino);
}
Exemplo n.º 9
0
void
pass4(void)
{
	ino_t inumber;
	union dinode *dp;
	struct inodesc idesc;
	int i, n, cg;

	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = ADDR;
	idesc.id_func = pass4check;
	for (cg = 0; cg < sblock.fs_ncg; cg++) {
		if (got_siginfo) {
			printf("%s: phase 4: cyl group %d of %d (%d%%)\n",
			    cdevname, cg, sblock.fs_ncg,
			    cg * 100 / sblock.fs_ncg);
			got_siginfo = 0;
		}
		if (got_sigalarm) {
			setproctitle("%s p4 %d%%", cdevname,
			    cg * 100 / sblock.fs_ncg);
			got_sigalarm = 0;
		}
		inumber = cg * sblock.fs_ipg;
		for (i = 0; i < inostathead[cg].il_numalloced; i++, inumber++) {
			if (inumber < UFS_ROOTINO)
				continue;
			idesc.id_number = inumber;
			switch (inoinfo(inumber)->ino_state) {

			case FZLINK:
			case DZLINK:
				if (inoinfo(inumber)->ino_linkcnt == 0) {
					clri(&idesc, "UNREF", 1);
					break;
				}
				/* fall through */

			case FSTATE:
			case DFOUND:
				n = inoinfo(inumber)->ino_linkcnt;
				if (n) {
					adjust(&idesc, (short)n);
					break;
				}
				break;

			case DSTATE:
				clri(&idesc, "UNREF", 1);
				break;

			case DCLEAR:
				/* if on snapshot, already cleared */
				if (cursnapshot != 0)
					break;
				dp = ginode(inumber);
				if (DIP(dp, di_size) == 0) {
					clri(&idesc, "ZERO LENGTH", 1);
					break;
				}
				/* fall through */
			case FCLEAR:
				clri(&idesc, "BAD/DUP", 1);
				break;

			case USTATE:
				break;

			default:
				errx(EEXIT, "BAD STATE %d FOR INODE I=%ju",
				    inoinfo(inumber)->ino_state,
				    (uintmax_t)inumber);
			}
		}
	}
}
Exemplo n.º 10
0
int
fileClri(File *dir, char *elem, char *uid)
{
	return clri(_fileWalk(dir, elem, 1), uid);
}
Exemplo n.º 11
0
int
fileClriPath(Fs *fs, char *path, char *uid)
{
	return clri(_fileOpen(fs, path, 1), uid);
}
Exemplo n.º 12
0
pass4()
{
    register ino_t inumber;
    register struct zlncnt *zlnp;
    struct inodesc idesc;
    int n;
#if defined(ACLS) && defined(AFS_HPUX_ENV)
    register struct dinode *dp;
#endif /* ACLS */


    memset(&idesc, 0, sizeof(struct inodesc));
    idesc.id_type = ADDR;
    idesc.id_func = pass4check;
    for (inumber = ROOTINO; inumber <= lastino; inumber++) {
	idesc.id_number = inumber;
#if defined(ACLS) && defined(AFS_HPUX_ENV)
	switch (statemap[inumber] & STATE) {
#else /* no ACLS */
	switch (statemap[inumber]) {
#endif /* ACLS */

	case FSTATE:
	case DFOUND:
	    n = lncntp[inumber];
	    if (n)
		adjust(&idesc, (short)n);
	    else {
		for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
		    if (zlnp->zlncnt == inumber) {
			zlnp->zlncnt = zlnhead->zlncnt;
			zlnp = zlnhead;
			zlnhead = zlnhead->next;
			free((char *)zlnp);
			clri(&idesc, "UNREF", 1);
			break;
		    }
	    }
	    break;

#ifdef VICE
	case VSTATE:
	    nViceFiles++;
	    break;
#endif /* VICE */

	case DSTATE:
	    clri(&idesc, "UNREF", 1);
	    break;

	case DCLEAR:
	case FCLEAR:
	    clri(&idesc, "BAD/DUP", 1);
	    break;

	case USTATE:
	    break;

#if defined(ACLS) && defined(AFS_HPUX_ENV)
	    /* 
	     * UNreferenced continuation inode 
	     */
	case CSTATE:
	    clri(&idesc, "UNREF", 2);
	    break;

	    /* 
	     * referenced continuation inode 
	     */
	case CRSTATE:
	    if ((dp = ginode(inumber)) == NULL)
		break;
	    if (dp->di_nlink != 1)
		if (!qflag) {
		    pwarn("BAD LINK COUNT IN CONTINUATION INODE ");
		    pwarn("I=%u (%ld should be %ld)", inumber, dp->di_nlink,
			  1);
		    if (preen)
#ifdef VICE
			vprintf(" (CORRECTED)\n");
#else
			printf(" (CORRECTED)\n");
#endif /* VICE */
		    else {
			if (reply("CORRECT") == 0)
			    continue;
		    }
		    dp->di_nlink = 1;
		    inodirty();
		}
	    break;
#endif /* ACLS */

	default:
	    errexit("BAD STATE %d FOR INODE I=%d", statemap[inumber],
		    inumber);
	}
    }
Exemplo n.º 13
0
void
pass4(void)
{
	ino_t inumber;
	struct zlncnt *zlnp;
	union dinode *dp;
	struct inodesc idesc;
	int n, c, i;

	memset(&idesc, 0, sizeof(struct inodesc));
	idesc.id_type = ADDR;
	idesc.id_func = pass4check;
	info_fn = pass4_info;
	for (c = 0; c < sblock.fs_ncg; c++) {
		inumber = c * sblock.fs_ipg;
		for (i = 0; i < inostathead[c].il_numalloced; i++, inumber++) {
			if (inumber < ROOTINO)
				continue;
 			idesc.id_number = inumber;
			switch (GET_ISTATE(inumber)) {

			case FSTATE:
			case DFOUND:
				n = ILNCOUNT(inumber);
				if (n) {
					adjust(&idesc, (short)n);
					break;
				}
				for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
					if (zlnp->zlncnt == inumber) {
						zlnp->zlncnt = zlnhead->zlncnt;
						zlnp = zlnhead;
						zlnhead = zlnhead->next;
						free((char *)zlnp);
						clri(&idesc, "UNREF", 1);
						break;
					}
				break;

			case DSTATE:
				clri(&idesc, "UNREF", 1);
				break;

			case DCLEAR:
				dp = ginode(inumber);
				if (DIP(dp, di_size) == 0) {
					clri(&idesc, "ZERO LENGTH", 1);
					break;
				}
				/* FALLTHROUGH */
			case FCLEAR:
				clri(&idesc, "BAD/DUP", 1);
				break;

			case USTATE:
				break;

			default:
				errexit("BAD STATE %d FOR INODE I=%llu\n",
				    GET_ISTATE(inumber),
				    (unsigned long long)inumber);
			}
		}
	}
	info_fn = NULL;
}
Exemplo n.º 14
0
pass4()
{
    ino_t inumber;
    struct zlncnt *zlnp;
    struct inodesc idesc;
    int n;
#if defined(ACLS) && defined(AFS_HPUX_ENV)
    struct dinode *dp;
#endif /* ACLS */


    memset(&idesc, 0, sizeof(struct inodesc));
    idesc.id_type = ADDR;
    idesc.id_func = pass4check;
    for (inumber = ROOTINO; inumber <= lastino; inumber++) {
	idesc.id_number = inumber;
#if defined(ACLS) && defined(AFS_HPUX_ENV)
	switch (statemap[inumber] & STATE) {
#else /* no ACLS */
	switch (statemap[inumber]) {
#endif /* ACLS */

	case FSTATE:
	case DFOUND:
	    n = lncntp[inumber];
	    if (n)
		adjust(&idesc, (short)n);
	    else {
		for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
		    if (zlnp->zlncnt == inumber) {
			zlnp->zlncnt = zlnhead->zlncnt;
			zlnp = zlnhead;
			zlnhead = zlnhead->next;
			free((char *)zlnp);
			clri(&idesc, "UNREF", 1);
			break;
		    }
	    }
	    break;

#ifdef VICE
	case VSTATE:
	    nViceFiles++;
	    break;
#endif /* VICE */

	case DSTATE:
	    clri(&idesc, "UNREF", 1);
	    break;

	case DCLEAR:
	case FCLEAR:
	    clri(&idesc, "BAD/DUP", 1);
	    break;

	case USTATE:
	    break;

#if defined(ACLS) && defined(AFS_HPUX_ENV)
	    /*
	     * UNreferenced continuation inode
	     */
	case CSTATE:
	    clri(&idesc, "UNREF", 2);
	    break;

	    /*
	     * referenced continuation inode
	     */
	case CRSTATE:
	    if ((dp = ginode(inumber)) == NULL)
		break;
	    if (dp->di_nlink != 1)
		if (!qflag) {
		    pwarn("BAD LINK COUNT IN CONTINUATION INODE ");
		    pwarn("I=%u (%ld should be %ld)", inumber, dp->di_nlink,
			  1);
		    if (preen)
			printf(" (CORRECTED)\n");
		    else {
			if (reply("CORRECT") == 0)
			    continue;
		    }
		    dp->di_nlink = 1;
		    inodirty();
		}
	    break;
#endif /* ACLS */

	default:
	    errexit("BAD STATE %d FOR INODE I=%d", statemap[inumber],
		    inumber);
	}
    }
}

pass4check(idesc)
     struct inodesc *idesc;
{
    struct dups *dlp;
    int nfrags, res = KEEPON;
    daddr_t blkno = idesc->id_blkno;

    for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
	if (chkrange(blkno, 1)) {
	    res = SKIP;
	} else if (testbmap(blkno)) {
	    for (dlp = duplist; dlp; dlp = dlp->next) {
		if (dlp->dup != blkno)
		    continue;
		dlp->dup = duplist->dup;
		dlp = duplist;
		duplist = duplist->next;
		free((char *)dlp);
		break;
	    }
	    if (dlp == 0) {
		clrbmap(blkno);
		n_blks--;
	    }
	}
    }
    return (res);
}