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. 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[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95";
38 static const char rcsid[] =
42 #include <sys/param.h>
46 #include <ufs/ufs/dinode.h>
56 struct part *next; /* forward link of partitions on disk */
57 char *name; /* device name */
58 char *fsname; /* mounted filesystem name */
59 long auxdata; /* auxillary data for application */
60 } *badlist, **badnext = &badlist;
63 char *name; /* disk base name */
64 struct disk *next; /* forward link for list of disks */
65 struct part *part; /* head of list of partitions on disk */
66 int pid; /* If != 0, pid of proc working on */
71 static void addpart __P((char *name, char *fsname, long auxdata));
72 static struct disk *finddisk __P((char *name));
73 static int startdisk __P((struct disk *dk,
74 int (*checkit)(char *, char *, long, int)));
77 checkfstab(preen, maxrun, docheck, chkit)
80 int (*docheck)(struct fstab *);
81 int (*chkit)(char *, char *, long, int);
83 register struct fstab *fsp;
84 register struct disk *dk, *nextdisk;
85 register struct part *pt;
86 int ret, pid, retcode, passno, sumstatus, status;
91 for (passno = 1; passno <= 2; passno++) {
92 if (setfsent() == 0) {
93 fprintf(stderr, "Can't open checklist file: %s\n",
97 while ((fsp = getfsent()) != 0) {
98 if ((auxdata = (*docheck)(fsp)) == 0)
101 (passno == 1 && fsp->fs_passno == 1)) {
102 if ((name = blockcheck(fsp->fs_spec)) != 0) {
103 if ((sumstatus = (*chkit)(name,
104 fsp->fs_file, auxdata, 0)) != 0)
108 } else if (passno == 2 && fsp->fs_passno > 1) {
109 if ((name = blockcheck(fsp->fs_spec)) == NULL) {
110 fprintf(stderr, "BAD DISK NAME %s\n",
115 addpart(name, fsp->fs_file, auxdata);
127 for (passno = 0; passno < maxrun; ++passno) {
128 while ((ret = startdisk(nextdisk, chkit)) && nrun > 0)
132 nextdisk = nextdisk->next;
134 while ((pid = wait(&status)) != -1) {
135 for (dk = disks; dk; dk = dk->next)
139 printf("Unknown pid %d\n", pid);
142 if (WIFEXITED(status))
143 retcode = WEXITSTATUS(status);
146 if (WIFSIGNALED(status)) {
147 printf("%s (%s): EXITED WITH SIGNAL %d\n",
148 dk->part->name, dk->part->fsname,
153 sumstatus |= retcode;
155 badnext = &dk->part->next;
156 dk->part = dk->part->next;
159 dk->part = dk->part->next;
162 if (dk->part == NULL)
165 if (nextdisk == NULL) {
167 while ((ret = startdisk(dk, chkit)) &&
173 } else if (nrun < maxrun && nrun < ndisks) {
175 if ((nextdisk = nextdisk->next) == NULL)
177 if (nextdisk->part != NULL &&
181 while ((ret = startdisk(nextdisk, chkit)) &&
192 fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
193 badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
194 for (pt = badlist; pt; pt = pt->next)
195 fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
196 pt->next ? ", " : "\n");
207 register struct disk *dk, **dkp;
211 p = strrchr(name, '/');
212 p = p == NULL ? name : p + 1;
213 while (*p != '\0' && !isdigit((u_char)*p))
215 while (isdigit((u_char)*p))
217 len = (size_t)(p - name);
218 for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
219 if (strncmp(dk->name, name, len) == 0 &&
223 if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
224 fprintf(stderr, "out of memory");
228 if ((dk->name = malloc(len + 1)) == NULL) {
229 fprintf(stderr, "out of memory");
232 (void)strncpy(dk->name, name, len);
233 dk->name[len] = '\0';
242 addpart(name, fsname, auxdata)
246 struct disk *dk = finddisk(name);
247 register struct part *pt, **ppt = &dk->part;
249 for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
250 if (strcmp(pt->name, name) == 0) {
251 printf("%s in fstab more than once!\n", name);
254 if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
255 fprintf(stderr, "out of memory");
259 if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
260 fprintf(stderr, "out of memory");
263 (void)strcpy(pt->name, name);
264 if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
265 fprintf(stderr, "out of memory");
268 (void)strcpy(pt->fsname, fsname);
270 pt->auxdata = auxdata;
274 startdisk(dk, checkit)
275 register struct disk *dk;
276 int (*checkit)(char *, char *, long, int);
278 register struct part *pt = dk->part;
286 exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));
295 struct stat stslash, stblock, stchar;
297 struct fstab *fsinfo;
298 int retried = 0, len;
302 if (stat(newname, &stblock) < 0) {
303 printf("Can't stat %s: %s\n", newname, strerror(errno));
306 switch(stblock.st_mode & S_IFMT) {
314 len = strlen(origname) - 1;
315 if (len > 0 && origname[len] == '/')
316 /* remove trailing slash */
317 origname[len] = '\0';
318 if ((fsinfo = getfsfile(origname)) == NULL) {
319 printf("Can't resolve %s to character special device",
323 newname = fsinfo->fs_spec;
328 * Not a block or character device, just return name and
329 * let the user decide whether to use it.