2 * Copyright (c) 1980, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char sccsid[] = "@(#)pass2.c 8.9 (Berkeley) 4/28/95";
38 static const char rcsid[] =
42 #include <sys/param.h>
44 #include <ufs/ufs/dinode.h>
45 #include <ufs/ufs/dir.h>
46 #include <ufs/ffs/fs.h>
53 #define MINDIRSIZE (sizeof (struct dirtemplate))
55 static int blksort(const void *, const void *);
56 static int pass2check(struct inodesc *);
62 struct inoinfo **inpp, *inp;
63 struct inoinfo **inpend;
64 struct inodesc curino;
66 char pathbuf[MAXPATHLEN + 1];
68 switch (inoinfo(ROOTINO)->ino_state) {
71 pfatal("ROOT INODE UNALLOCATED");
72 if (reply("ALLOCATE") == 0) {
76 if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO)
77 errx(EEXIT, "CANNOT ALLOCATE ROOT INODE");
81 pfatal("DUPS/BAD IN ROOT INODE");
82 if (reply("REALLOCATE")) {
84 if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO)
85 errx(EEXIT, "CANNOT ALLOCATE ROOT INODE");
88 if (reply("CONTINUE") == 0) {
96 pfatal("ROOT INODE NOT DIRECTORY");
97 if (reply("REALLOCATE")) {
99 if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO)
100 errx(EEXIT, "CANNOT ALLOCATE ROOT INODE");
103 if (reply("FIX") == 0) {
107 dp = ginode(ROOTINO);
108 dp->di_mode &= ~IFMT;
109 dp->di_mode |= IFDIR;
117 errx(EEXIT, "BAD STATE %d FOR ROOT INODE",
118 inoinfo(ROOTINO)->ino_state);
120 inoinfo(ROOTINO)->ino_state = DFOUND;
122 inoinfo(WINO)->ino_state = FSTATE;
123 inoinfo(WINO)->ino_type = DT_WHT;
126 * Sort the directory list into disk block order.
128 qsort((char *)inpsort, (size_t)inplast, sizeof *inpsort, blksort);
130 * Check the integrity of each directory.
132 memset(&curino, 0, sizeof(struct inodesc));
133 curino.id_type = DATA;
134 curino.id_func = pass2check;
136 inpend = &inpsort[inplast];
137 for (inpp = inpsort; inpp < inpend; inpp++) {
139 printf("%s: phase 2: dir %d of %d (%d%%)\n", cdevname,
140 inpp - inpsort, (int)inplast,
141 (int)((inpp - inpsort) * 100 / inplast));
145 if (inp->i_isize == 0)
147 if (inp->i_isize < MINDIRSIZE) {
148 direrror(inp->i_number, "DIRECTORY TOO SHORT");
149 inp->i_isize = roundup(MINDIRSIZE, DIRBLKSIZ);
150 if (reply("FIX") == 1) {
151 dp = ginode(inp->i_number);
152 dp->di_size = inp->i_isize;
156 } else if ((inp->i_isize & (DIRBLKSIZ - 1)) != 0) {
157 getpathname(pathbuf, inp->i_number, inp->i_number);
159 pfatal("%s %s: LENGTH %d NOT MULTIPLE OF %d",
160 "DIRECTORY", pathbuf, inp->i_isize,
163 pwarn("%s %s: LENGTH %d NOT MULTIPLE OF %d",
164 "DIRECTORY", pathbuf, inp->i_isize,
167 printf(" (ADJUSTED)\n");
168 inp->i_isize = roundup(inp->i_isize, DIRBLKSIZ);
169 if (preen || reply("ADJUST") == 1) {
170 dp = ginode(inp->i_number);
171 dp->di_size = roundup(inp->i_isize, DIRBLKSIZ);
176 memset(&dino, 0, sizeof(struct dinode));
177 dino.di_mode = IFDIR;
178 dp->di_size = inp->i_isize;
179 memmove(&dp->di_db[0], &inp->i_blks[0], (size_t)inp->i_numblks);
180 curino.id_number = inp->i_number;
181 curino.id_parent = inp->i_parent;
182 (void)ckinode(dp, &curino);
185 * Now that the parents of all directories have been found,
186 * make another pass to verify the value of `..'
188 for (inpp = inpsort; inpp < inpend; inpp++) {
190 if (inp->i_parent == 0 || inp->i_isize == 0)
192 if (inoinfo(inp->i_parent)->ino_state == DFOUND &&
193 inoinfo(inp->i_number)->ino_state == DSTATE)
194 inoinfo(inp->i_number)->ino_state = DFOUND;
195 if (inp->i_dotdot == inp->i_parent ||
196 inp->i_dotdot == (ino_t)-1)
198 if (inp->i_dotdot == 0) {
199 inp->i_dotdot = inp->i_parent;
200 fileerror(inp->i_parent, inp->i_number, "MISSING '..'");
201 if (reply("FIX") == 0)
203 (void)makeentry(inp->i_number, inp->i_parent, "..");
204 inoinfo(inp->i_parent)->ino_linkcnt--;
207 fileerror(inp->i_parent, inp->i_number,
208 "BAD INODE NUMBER FOR '..'");
209 if (reply("FIX") == 0)
211 inoinfo(inp->i_dotdot)->ino_linkcnt++;
212 inoinfo(inp->i_parent)->ino_linkcnt--;
213 inp->i_dotdot = inp->i_parent;
214 (void)changeino(inp->i_number, "..", inp->i_parent);
217 * Mark all the directories that can be found from the root.
223 pass2check(struct inodesc *idesc)
225 struct direct *dirp = idesc->id_dirp;
227 int n, entrysize, ret = 0;
231 char namebuf[MAXPATHLEN + 1];
232 char pathbuf[MAXPATHLEN + 1];
235 * If converting, set directory entry type.
237 if (doinglevel2 && dirp->d_ino > 0 && dirp->d_ino < maxino) {
238 dirp->d_type = inoinfo(dirp->d_ino)->ino_type;
244 if (idesc->id_entryno != 0)
246 if (dirp->d_ino != 0 && strcmp(dirp->d_name, ".") == 0) {
247 if (dirp->d_ino != idesc->id_number) {
248 direrror(idesc->id_number, "BAD INODE NUMBER FOR '.'");
249 dirp->d_ino = idesc->id_number;
250 if (reply("FIX") == 1)
253 if (newinofmt && dirp->d_type != DT_DIR) {
254 direrror(idesc->id_number, "BAD TYPE VALUE FOR '.'");
255 dirp->d_type = DT_DIR;
256 if (reply("FIX") == 1)
261 direrror(idesc->id_number, "MISSING '.'");
262 proto.d_ino = idesc->id_number;
264 proto.d_type = DT_DIR;
268 (void)strcpy(proto.d_name, ".");
269 # if BYTE_ORDER == LITTLE_ENDIAN
274 proto.d_type = proto.d_namlen;
275 proto.d_namlen = tmp;
278 entrysize = DIRSIZ(0, &proto);
279 if (dirp->d_ino != 0 && strcmp(dirp->d_name, "..") != 0) {
280 pfatal("CANNOT FIX, FIRST ENTRY IN DIRECTORY CONTAINS %s\n",
282 } else if (dirp->d_reclen < entrysize) {
283 pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '.'\n");
284 } else if (dirp->d_reclen < 2 * entrysize) {
285 proto.d_reclen = dirp->d_reclen;
286 memmove(dirp, &proto, (size_t)entrysize);
287 if (reply("FIX") == 1)
290 n = dirp->d_reclen - entrysize;
291 proto.d_reclen = entrysize;
292 memmove(dirp, &proto, (size_t)entrysize);
294 inoinfo(dirp->d_ino)->ino_linkcnt--;
295 dirp = (struct direct *)((char *)(dirp) + entrysize);
296 memset(dirp, 0, (size_t)n);
298 if (reply("FIX") == 1)
302 if (idesc->id_entryno > 1)
304 inp = getinoinfo(idesc->id_number);
305 proto.d_ino = inp->i_parent;
307 proto.d_type = DT_DIR;
311 (void)strcpy(proto.d_name, "..");
312 # if BYTE_ORDER == LITTLE_ENDIAN
317 proto.d_type = proto.d_namlen;
318 proto.d_namlen = tmp;
321 entrysize = DIRSIZ(0, &proto);
322 if (idesc->id_entryno == 0) {
324 if (dirp->d_reclen < n + entrysize)
326 proto.d_reclen = dirp->d_reclen - n;
329 inoinfo(dirp->d_ino)->ino_linkcnt--;
330 dirp = (struct direct *)((char *)(dirp) + n);
331 memset(dirp, 0, (size_t)proto.d_reclen);
332 dirp->d_reclen = proto.d_reclen;
334 if (dirp->d_ino != 0 && strcmp(dirp->d_name, "..") == 0) {
335 inp->i_dotdot = dirp->d_ino;
336 if (newinofmt && dirp->d_type != DT_DIR) {
337 direrror(idesc->id_number, "BAD TYPE VALUE FOR '..'");
338 dirp->d_type = DT_DIR;
339 if (reply("FIX") == 1)
344 if (dirp->d_ino != 0 && strcmp(dirp->d_name, ".") != 0) {
345 fileerror(inp->i_parent, idesc->id_number, "MISSING '..'");
346 pfatal("CANNOT FIX, SECOND ENTRY IN DIRECTORY CONTAINS %s\n",
348 inp->i_dotdot = (ino_t)-1;
349 } else if (dirp->d_reclen < entrysize) {
350 fileerror(inp->i_parent, idesc->id_number, "MISSING '..'");
351 pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '..'\n");
352 inp->i_dotdot = (ino_t)-1;
353 } else if (inp->i_parent != 0) {
355 * We know the parent, so fix now.
357 inp->i_dotdot = inp->i_parent;
358 fileerror(inp->i_parent, idesc->id_number, "MISSING '..'");
359 proto.d_reclen = dirp->d_reclen;
360 memmove(dirp, &proto, (size_t)entrysize);
361 if (reply("FIX") == 1)
365 if (dirp->d_ino != 0)
366 inoinfo(dirp->d_ino)->ino_linkcnt--;
369 if (dirp->d_ino == 0)
371 if (dirp->d_namlen <= 2 &&
372 dirp->d_name[0] == '.' &&
373 idesc->id_entryno >= 2) {
374 if (dirp->d_namlen == 1) {
375 direrror(idesc->id_number, "EXTRA '.' ENTRY");
377 if (reply("FIX") == 1)
379 return (KEEPON | ret);
381 if (dirp->d_name[1] == '.') {
382 direrror(idesc->id_number, "EXTRA '..' ENTRY");
384 if (reply("FIX") == 1)
386 return (KEEPON | ret);
391 if (dirp->d_ino > maxino) {
392 fileerror(idesc->id_number, dirp->d_ino, "I OUT OF RANGE");
394 } else if (newinofmt &&
395 ((dirp->d_ino == WINO && dirp->d_type != DT_WHT) ||
396 (dirp->d_ino != WINO && dirp->d_type == DT_WHT))) {
397 fileerror(idesc->id_number, dirp->d_ino, "BAD WHITEOUT ENTRY");
399 dirp->d_type = DT_WHT;
400 if (reply("FIX") == 1)
404 switch (inoinfo(dirp->d_ino)->ino_state) {
406 if (idesc->id_entryno <= 2)
408 fileerror(idesc->id_number, dirp->d_ino, "UNALLOCATED");
414 if (idesc->id_entryno <= 2)
416 if (inoinfo(dirp->d_ino)->ino_state == FCLEAR)
418 else if (!preen && !usedsoftdep)
419 errmsg = "ZERO LENGTH DIRECTORY";
424 fileerror(idesc->id_number, dirp->d_ino, errmsg);
425 if ((n = reply("REMOVE")) == 1)
427 dp = ginode(dirp->d_ino);
428 inoinfo(dirp->d_ino)->ino_state =
429 (dp->di_mode & IFMT) == IFDIR ? DSTATE : FSTATE;
430 inoinfo(dirp->d_ino)->ino_linkcnt = dp->di_nlink;
434 if (inoinfo(idesc->id_number)->ino_state == DFOUND)
435 inoinfo(dirp->d_ino)->ino_state = DFOUND;
439 inp = getinoinfo(dirp->d_ino);
440 if (inp->i_parent != 0 && idesc->id_entryno > 2) {
441 getpathname(pathbuf, idesc->id_number,
443 getpathname(namebuf, dirp->d_ino, dirp->d_ino);
444 pwarn("%s%s%s %s %s\n", pathbuf,
445 (strcmp(pathbuf, "/") == 0 ? "" : "/"),
447 "IS AN EXTRANEOUS HARD LINK TO DIRECTORY",
449 if (cursnapshot != 0)
452 printf(" (REMOVED)\n");
456 if ((n = reply("REMOVE")) == 1)
459 if (idesc->id_entryno > 2)
460 inp->i_parent = idesc->id_number;
465 dirp->d_type != inoinfo(dirp->d_ino)->ino_type) {
466 fileerror(idesc->id_number, dirp->d_ino,
468 dirp->d_type = inoinfo(dirp->d_ino)->ino_type;
469 if (reply("FIX") == 1)
472 inoinfo(dirp->d_ino)->ino_linkcnt--;
476 errx(EEXIT, "BAD STATE %d FOR INODE I=%d",
477 inoinfo(dirp->d_ino)->ino_state, dirp->d_ino);
483 return (ret|KEEPON|ALTERED);
487 * Routine to sort disk blocks.
490 blksort(const void *arg1, const void *arg2)
493 return ((*(struct inoinfo **)arg1)->i_blks[0] -
494 (*(struct inoinfo **)arg2)->i_blks[0]);