diff options
Diffstat (limited to 'sbin/fsck_ffs/pass2.c')
| -rw-r--r-- | sbin/fsck_ffs/pass2.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/sbin/fsck_ffs/pass2.c b/sbin/fsck_ffs/pass2.c deleted file mode 100644 index 088ecffb9817..000000000000 --- a/sbin/fsck_ffs/pass2.c +++ /dev/null @@ -1,486 +0,0 @@ -/* - * Copyright (c) 1980, 1986, 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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. - */ - -#ifndef lint -#if 0 -static const char sccsid[] = "@(#)pass2.c 8.9 (Berkeley) 4/28/95"; -#endif -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <sys/param.h> - -#include <ufs/ufs/dinode.h> -#include <ufs/ufs/dir.h> - -#include <err.h> -#include <string.h> - -#include "fsck.h" - -#define MINDIRSIZE (sizeof (struct dirtemplate)) - -static int blksort __P((const void *, const void *)); -static int pass2check __P((struct inodesc *)); - -void -pass2() -{ - register struct dinode *dp; - register struct inoinfo **inpp, *inp; - struct inoinfo **inpend; - struct inodesc curino; - struct dinode dino; - char pathbuf[MAXPATHLEN + 1]; - - switch (inoinfo(ROOTINO)->ino_state) { - - case USTATE: - pfatal("ROOT INODE UNALLOCATED"); - if (reply("ALLOCATE") == 0) { - ckfini(0); - exit(EEXIT); - } - if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO) - errx(EEXIT, "CANNOT ALLOCATE ROOT INODE"); - break; - - case DCLEAR: - pfatal("DUPS/BAD IN ROOT INODE"); - if (reply("REALLOCATE")) { - freeino(ROOTINO); - if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO) - errx(EEXIT, "CANNOT ALLOCATE ROOT INODE"); - break; - } - if (reply("CONTINUE") == 0) { - ckfini(0); - exit(EEXIT); - } - break; - - case FSTATE: - case FCLEAR: - pfatal("ROOT INODE NOT DIRECTORY"); - if (reply("REALLOCATE")) { - freeino(ROOTINO); - if (allocdir(ROOTINO, ROOTINO, 0755) != ROOTINO) - errx(EEXIT, "CANNOT ALLOCATE ROOT INODE"); - break; - } - if (reply("FIX") == 0) { - ckfini(0); - exit(EEXIT); - } - dp = ginode(ROOTINO); - dp->di_mode &= ~IFMT; - dp->di_mode |= IFDIR; - inodirty(); - break; - - case DSTATE: - break; - - default: - errx(EEXIT, "BAD STATE %d FOR ROOT INODE", - inoinfo(ROOTINO)->ino_state); - } - inoinfo(ROOTINO)->ino_state = DFOUND; - if (newinofmt) { - inoinfo(WINO)->ino_state = FSTATE; - inoinfo(WINO)->ino_type = DT_WHT; - } - /* - * Sort the directory list into disk block order. - */ - qsort((char *)inpsort, (size_t)inplast, sizeof *inpsort, blksort); - /* - * Check the integrity of each directory. - */ - memset(&curino, 0, sizeof(struct inodesc)); - curino.id_type = DATA; - curino.id_func = pass2check; - dp = &dino; - inpend = &inpsort[inplast]; - for (inpp = inpsort; inpp < inpend; inpp++) { - inp = *inpp; - if (inp->i_isize == 0) - continue; - if (inp->i_isize < MINDIRSIZE) { - direrror(inp->i_number, "DIRECTORY TOO SHORT"); - inp->i_isize = roundup(MINDIRSIZE, DIRBLKSIZ); - if (reply("FIX") == 1) { - dp = ginode(inp->i_number); - dp->di_size = inp->i_isize; - inodirty(); - dp = &dino; - } - } else if ((inp->i_isize & (DIRBLKSIZ - 1)) != 0) { - getpathname(pathbuf, inp->i_number, inp->i_number); - if (usedsoftdep) - pfatal("%s %s: LENGTH %d NOT MULTIPLE OF %d", - "DIRECTORY", pathbuf, inp->i_isize, - DIRBLKSIZ); - else - pwarn("%s %s: LENGTH %d NOT MULTIPLE OF %d", - "DIRECTORY", pathbuf, inp->i_isize, - DIRBLKSIZ); - if (preen) - printf(" (ADJUSTED)\n"); - inp->i_isize = roundup(inp->i_isize, DIRBLKSIZ); - if (preen || reply("ADJUST") == 1) { - dp = ginode(inp->i_number); - dp->di_size = roundup(inp->i_isize, DIRBLKSIZ); - inodirty(); - dp = &dino; - } - } - memset(&dino, 0, sizeof(struct dinode)); - dino.di_mode = IFDIR; - dp->di_size = inp->i_isize; - memmove(&dp->di_db[0], &inp->i_blks[0], (size_t)inp->i_numblks); - curino.id_number = inp->i_number; - curino.id_parent = inp->i_parent; - (void)ckinode(dp, &curino); - } - /* - * Now that the parents of all directories have been found, - * make another pass to verify the value of `..' - */ - for (inpp = inpsort; inpp < inpend; inpp++) { - inp = *inpp; - if (inp->i_parent == 0 || inp->i_isize == 0) - continue; - if (inoinfo(inp->i_parent)->ino_state == DFOUND && - inoinfo(inp->i_number)->ino_state == DSTATE) - inoinfo(inp->i_number)->ino_state = DFOUND; - if (inp->i_dotdot == inp->i_parent || - inp->i_dotdot == (ino_t)-1) - continue; - if (inp->i_dotdot == 0) { - inp->i_dotdot = inp->i_parent; - fileerror(inp->i_parent, inp->i_number, "MISSING '..'"); - if (reply("FIX") == 0) - continue; - (void)makeentry(inp->i_number, inp->i_parent, ".."); - inoinfo(inp->i_parent)->ino_linkcnt--; - continue; - } - fileerror(inp->i_parent, inp->i_number, - "BAD INODE NUMBER FOR '..'"); - if (reply("FIX") == 0) - continue; - inoinfo(inp->i_dotdot)->ino_linkcnt++; - inoinfo(inp->i_parent)->ino_linkcnt--; - inp->i_dotdot = inp->i_parent; - (void)changeino(inp->i_number, "..", inp->i_parent); - } - /* - * Mark all the directories that can be found from the root. - */ - propagate(); -} - -static int -pass2check(idesc) - struct inodesc *idesc; -{ - register struct direct *dirp = idesc->id_dirp; - register struct inoinfo *inp; - int n, entrysize, ret = 0; - struct dinode *dp; - char *errmsg; - struct direct proto; - char namebuf[MAXPATHLEN + 1]; - char pathbuf[MAXPATHLEN + 1]; - - /* - * If converting, set directory entry type. - */ - if (doinglevel2 && dirp->d_ino > 0 && dirp->d_ino < maxino) { - dirp->d_type = inoinfo(dirp->d_ino)->ino_type; - ret |= ALTERED; - } - /* - * check for "." - */ - if (idesc->id_entryno != 0) - goto chk1; - if (dirp->d_ino != 0 && strcmp(dirp->d_name, ".") == 0) { - if (dirp->d_ino != idesc->id_number) { - direrror(idesc->id_number, "BAD INODE NUMBER FOR '.'"); - dirp->d_ino = idesc->id_number; - if (reply("FIX") == 1) - ret |= ALTERED; - } - if (newinofmt && dirp->d_type != DT_DIR) { - direrror(idesc->id_number, "BAD TYPE VALUE FOR '.'"); - dirp->d_type = DT_DIR; - if (reply("FIX") == 1) - ret |= ALTERED; - } - goto chk1; - } - direrror(idesc->id_number, "MISSING '.'"); - proto.d_ino = idesc->id_number; - if (newinofmt) - proto.d_type = DT_DIR; - else - proto.d_type = 0; - proto.d_namlen = 1; - (void)strcpy(proto.d_name, "."); -# if BYTE_ORDER == LITTLE_ENDIAN - if (!newinofmt) { - u_char tmp; - - tmp = proto.d_type; - proto.d_type = proto.d_namlen; - proto.d_namlen = tmp; - } -# endif - entrysize = DIRSIZ(0, &proto); - if (dirp->d_ino != 0 && strcmp(dirp->d_name, "..") != 0) { - pfatal("CANNOT FIX, FIRST ENTRY IN DIRECTORY CONTAINS %s\n", - dirp->d_name); - } else if (dirp->d_reclen < entrysize) { - pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '.'\n"); - } else if (dirp->d_reclen < 2 * entrysize) { - proto.d_reclen = dirp->d_reclen; - memmove(dirp, &proto, (size_t)entrysize); - if (reply("FIX") == 1) - ret |= ALTERED; - } else { - n = dirp->d_reclen - entrysize; - proto.d_reclen = entrysize; - memmove(dirp, &proto, (size_t)entrysize); - idesc->id_entryno++; - inoinfo(dirp->d_ino)->ino_linkcnt--; - dirp = (struct direct *)((char *)(dirp) + entrysize); - memset(dirp, 0, (size_t)n); - dirp->d_reclen = n; - if (reply("FIX") == 1) - ret |= ALTERED; - } -chk1: - if (idesc->id_entryno > 1) - goto chk2; - inp = getinoinfo(idesc->id_number); - proto.d_ino = inp->i_parent; - if (newinofmt) - proto.d_type = DT_DIR; - else - proto.d_type = 0; - proto.d_namlen = 2; - (void)strcpy(proto.d_name, ".."); -# if BYTE_ORDER == LITTLE_ENDIAN - if (!newinofmt) { - u_char tmp; - - tmp = proto.d_type; - proto.d_type = proto.d_namlen; - proto.d_namlen = tmp; - } -# endif - entrysize = DIRSIZ(0, &proto); - if (idesc->id_entryno == 0) { - n = DIRSIZ(0, dirp); - if (dirp->d_reclen < n + entrysize) - goto chk2; - proto.d_reclen = dirp->d_reclen - n; - dirp->d_reclen = n; - idesc->id_entryno++; - inoinfo(dirp->d_ino)->ino_linkcnt--; - dirp = (struct direct *)((char *)(dirp) + n); - memset(dirp, 0, (size_t)proto.d_reclen); - dirp->d_reclen = proto.d_reclen; - } - if (dirp->d_ino != 0 && strcmp(dirp->d_name, "..") == 0) { - inp->i_dotdot = dirp->d_ino; - if (newinofmt && dirp->d_type != DT_DIR) { - direrror(idesc->id_number, "BAD TYPE VALUE FOR '..'"); - dirp->d_type = DT_DIR; - if (reply("FIX") == 1) - ret |= ALTERED; - } - goto chk2; - } - if (dirp->d_ino != 0 && strcmp(dirp->d_name, ".") != 0) { - fileerror(inp->i_parent, idesc->id_number, "MISSING '..'"); - pfatal("CANNOT FIX, SECOND ENTRY IN DIRECTORY CONTAINS %s\n", - dirp->d_name); - inp->i_dotdot = (ino_t)-1; - } else if (dirp->d_reclen < entrysize) { - fileerror(inp->i_parent, idesc->id_number, "MISSING '..'"); - pfatal("CANNOT FIX, INSUFFICIENT SPACE TO ADD '..'\n"); - inp->i_dotdot = (ino_t)-1; - } else if (inp->i_parent != 0) { - /* - * We know the parent, so fix now. - */ - inp->i_dotdot = inp->i_parent; - fileerror(inp->i_parent, idesc->id_number, "MISSING '..'"); - proto.d_reclen = dirp->d_reclen; - memmove(dirp, &proto, (size_t)entrysize); - if (reply("FIX") == 1) - ret |= ALTERED; - } - idesc->id_entryno++; - if (dirp->d_ino != 0) - inoinfo(dirp->d_ino)->ino_linkcnt--; - return (ret|KEEPON); -chk2: - if (dirp->d_ino == 0) - return (ret|KEEPON); - if (dirp->d_namlen <= 2 && - dirp->d_name[0] == '.' && - idesc->id_entryno >= 2) { - if (dirp->d_namlen == 1) { - direrror(idesc->id_number, "EXTRA '.' ENTRY"); - dirp->d_ino = 0; - if (reply("FIX") == 1) - ret |= ALTERED; - return (KEEPON | ret); - } - if (dirp->d_name[1] == '.') { - direrror(idesc->id_number, "EXTRA '..' ENTRY"); - dirp->d_ino = 0; - if (reply("FIX") == 1) - ret |= ALTERED; - return (KEEPON | ret); - } - } - idesc->id_entryno++; - n = 0; - if (dirp->d_ino > maxino) { - fileerror(idesc->id_number, dirp->d_ino, "I OUT OF RANGE"); - n = reply("REMOVE"); - } else if (newinofmt && - ((dirp->d_ino == WINO && dirp->d_type != DT_WHT) || - (dirp->d_ino != WINO && dirp->d_type == DT_WHT))) { - fileerror(idesc->id_number, dirp->d_ino, "BAD WHITEOUT ENTRY"); - dirp->d_ino = WINO; - dirp->d_type = DT_WHT; - if (reply("FIX") == 1) - ret |= ALTERED; - } else { -again: - switch (inoinfo(dirp->d_ino)->ino_state) { - case USTATE: - if (idesc->id_entryno <= 2) - break; - fileerror(idesc->id_number, dirp->d_ino, "UNALLOCATED"); - n = reply("REMOVE"); - break; - - case DCLEAR: - case FCLEAR: - if (idesc->id_entryno <= 2) - break; - if (inoinfo(dirp->d_ino)->ino_state == FCLEAR) - errmsg = "DUP/BAD"; - else if (!preen && !usedsoftdep) - errmsg = "ZERO LENGTH DIRECTORY"; - else { - n = 1; - break; - } - fileerror(idesc->id_number, dirp->d_ino, errmsg); - if ((n = reply("REMOVE")) == 1) - break; - dp = ginode(dirp->d_ino); - inoinfo(dirp->d_ino)->ino_state = - (dp->di_mode & IFMT) == IFDIR ? DSTATE : FSTATE; - inoinfo(dirp->d_ino)->ino_linkcnt = dp->di_nlink; - goto again; - - case DSTATE: - if (inoinfo(idesc->id_number)->ino_state == DFOUND) - inoinfo(dirp->d_ino)->ino_state = DFOUND; - /* fall through */ - - case DFOUND: - inp = getinoinfo(dirp->d_ino); - if (inp->i_parent != 0 && idesc->id_entryno > 2) { - getpathname(pathbuf, idesc->id_number, - idesc->id_number); - getpathname(namebuf, dirp->d_ino, dirp->d_ino); - pwarn("%s %s %s\n", pathbuf, - "IS AN EXTRANEOUS HARD LINK TO DIRECTORY", - namebuf); - if (preen) { - printf(" (REMOVED)\n"); - n = 1; - break; - } - if ((n = reply("REMOVE")) == 1) - break; - } - if (idesc->id_entryno > 2) - inp->i_parent = idesc->id_number; - /* fall through */ - - case FSTATE: - if (newinofmt && - dirp->d_type != inoinfo(dirp->d_ino)->ino_type) { - fileerror(idesc->id_number, dirp->d_ino, - "BAD TYPE VALUE"); - dirp->d_type = inoinfo(dirp->d_ino)->ino_type; - if (reply("FIX") == 1) - ret |= ALTERED; - } - inoinfo(dirp->d_ino)->ino_linkcnt--; - break; - - default: - errx(EEXIT, "BAD STATE %d FOR INODE I=%d", - inoinfo(dirp->d_ino)->ino_state, dirp->d_ino); - } - } - if (n == 0) - return (ret|KEEPON); - dirp->d_ino = 0; - return (ret|KEEPON|ALTERED); -} - -/* - * Routine to sort disk blocks. - */ -static int -blksort(arg1, arg2) - const void *arg1, *arg2; -{ - - return ((*(struct inoinfo **)arg1)->i_blks[0] - - (*(struct inoinfo **)arg2)->i_blks[0]); -} |