2 * Copyright (c) 1990, 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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)preen.c 8.5 (Berkeley) 4/28/95
30 * $FreeBSD: src/sbin/fsck/preen.c,v 1.16 1999/12/30 16:32:40 peter Exp $
33 #include <sys/param.h>
37 #include <vfs/ufs/dinode.h>
46 char preen
; /* just fix normal inconsistencies */
49 struct part
*next
; /* forward link of partitions on disk */
50 char *name
; /* device name */
51 char *fsname
; /* mounted filesystem name */
52 long auxdata
; /* auxillary data for application */
53 } *badlist
, **badnext
= &badlist
;
56 char *name
; /* disk base name */
57 struct disk
*next
; /* forward link for list of disks */
58 struct part
*part
; /* head of list of partitions on disk */
59 int pid
; /* If != 0, pid of proc working on */
64 static void addpart(char *name
, char *fsname
, long auxdata
);
65 static struct disk
*finddisk(char *name
);
66 static int startdisk(struct disk
*dk
,
67 int (*checkit
)(char *, char *, long, int));
70 checkfstab(int do_preen
, int maxrun
, int (*docheck
)(struct fstab
*),
71 int (*chkit
)(char *, char *, long, int))
74 struct disk
*dk
, *nextdisk
;
76 int ret
, pid
, retcode
, passno
, sumstatus
, status
;
81 for (passno
= 1; passno
<= 2; passno
++) {
82 if (setfsent() == 0) {
83 fprintf(stderr
, "Can't open checklist file: %s\n",
87 while ((fsp
= getfsent()) != NULL
) {
88 if ((auxdata
= (*docheck
)(fsp
)) == 0)
91 (passno
== 1 && fsp
->fs_passno
== 1)) {
92 if ((name
= blockcheck(fsp
->fs_spec
)) != NULL
) {
93 if ((sumstatus
= (*chkit
)(name
,
94 fsp
->fs_file
, auxdata
, 0)) != 0)
98 } else if (passno
== 2 && fsp
->fs_passno
> 1) {
99 if ((name
= blockcheck(fsp
->fs_spec
)) == NULL
) {
100 fprintf(stderr
, "BAD DISK NAME %s\n",
105 addpart(name
, fsp
->fs_file
, auxdata
);
117 for (passno
= 0; passno
< maxrun
; ++passno
) {
118 while ((ret
= startdisk(nextdisk
, chkit
)) && nrun
> 0)
122 nextdisk
= nextdisk
->next
;
124 while ((pid
= wait(&status
)) != -1) {
125 for (dk
= disks
; dk
; dk
= dk
->next
)
129 printf("Unknown pid %d\n", pid
);
132 if (WIFEXITED(status
))
133 retcode
= WEXITSTATUS(status
);
136 if (WIFSIGNALED(status
)) {
137 printf("%s (%s): EXITED WITH SIGNAL %d\n",
138 dk
->part
->name
, dk
->part
->fsname
,
143 sumstatus
|= retcode
;
145 badnext
= &dk
->part
->next
;
146 dk
->part
= dk
->part
->next
;
149 dk
->part
= dk
->part
->next
;
152 if (dk
->part
== NULL
)
155 if (nextdisk
== NULL
) {
157 while ((ret
= startdisk(dk
, chkit
)) &&
163 } else if (nrun
< maxrun
&& nrun
< ndisks
) {
165 if ((nextdisk
= nextdisk
->next
) == NULL
)
167 if (nextdisk
->part
!= NULL
&&
171 while ((ret
= startdisk(nextdisk
, chkit
)) &&
182 fprintf(stderr
, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
183 badlist
->next
? "S" : "", "UNEXPECTED INCONSISTENCY:");
184 for (pt
= badlist
; pt
; pt
= pt
->next
)
185 fprintf(stderr
, "%s (%s)%s", pt
->name
, pt
->fsname
,
186 pt
->next
? ", " : "\n");
196 struct disk
*dk
, **dkp
;
200 p
= strrchr(name
, '/');
201 p
= p
== NULL
? name
: p
+ 1;
202 while (*p
!= '\0' && !isdigit((u_char
)*p
))
204 while (isdigit((u_char
)*p
))
206 len
= (size_t)(p
- name
);
207 for (dk
= disks
, dkp
= &disks
; dk
; dkp
= &dk
->next
, dk
= dk
->next
) {
208 if (strncmp(dk
->name
, name
, len
) == 0 &&
212 if ((*dkp
= (struct disk
*)malloc(sizeof(struct disk
))) == NULL
) {
213 fprintf(stderr
, "out of memory");
217 if ((dk
->name
= malloc(len
+ 1)) == NULL
) {
218 fprintf(stderr
, "out of memory");
221 strncpy(dk
->name
, name
, len
);
222 dk
->name
[len
] = '\0';
231 addpart(char *name
, char *fsname
, long auxdata
)
233 struct disk
*dk
= finddisk(name
);
234 struct part
*pt
, **ppt
= &dk
->part
;
236 for (pt
= dk
->part
; pt
; ppt
= &pt
->next
, pt
= pt
->next
)
237 if (strcmp(pt
->name
, name
) == 0) {
238 printf("%s in fstab more than once!\n", name
);
241 if ((*ppt
= (struct part
*)malloc(sizeof(struct part
))) == NULL
) {
242 fprintf(stderr
, "out of memory");
246 if ((pt
->name
= malloc(strlen(name
) + 1)) == NULL
) {
247 fprintf(stderr
, "out of memory");
250 strcpy(pt
->name
, name
);
251 if ((pt
->fsname
= malloc(strlen(fsname
) + 1)) == NULL
) {
252 fprintf(stderr
, "out of memory");
255 strcpy(pt
->fsname
, fsname
);
257 pt
->auxdata
= auxdata
;
261 startdisk(struct disk
*dk
, int (*checkit
)(char *, char *, long ,int))
263 struct part
*pt
= dk
->part
;
271 exit((*checkit
)(pt
->name
, pt
->fsname
, pt
->auxdata
, 1));
277 blockcheck(char *origname
)
281 struct fstab
*fsinfo
;
282 int retried
= 0, len
;
286 if (stat(newname
, &stblock
) < 0) {
287 newname
= getdevpath(newname
, 0);
288 if (stat(newname
, &stblock
) < 0) {
289 printf("Can't stat %s: %s\n", newname
, strerror(errno
));
293 switch(stblock
.st_mode
& S_IFMT
) {
303 len
= strlen(origname
) - 1;
304 if (len
> 0 && origname
[len
] == '/')
305 /* remove trailing slash */
306 origname
[len
] = '\0';
307 if ((fsinfo
= getfsfile(origname
)) == NULL
) {
308 printf("Can't resolve %s to character special device",
312 newname
= fsinfo
->fs_spec
;
317 * Not a block or character device, just return name and
318 * let the user decide whether to use it.