341 lines
8.5 KiB
C
341 lines
8.5 KiB
C
/* $NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1990, 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95";
|
|
#else
|
|
__RCSID("$NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <err.h>
|
|
#include <ctype.h>
|
|
#include <fstab.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "fsutil.h"
|
|
|
|
struct partentry {
|
|
TAILQ_ENTRY(partentry) p_entries;
|
|
char *p_devname; /* device name */
|
|
char *p_mntpt; /* mount point */
|
|
char *p_type; /* filesystem type */
|
|
void *p_auxarg; /* auxiliary argument */
|
|
};
|
|
|
|
TAILQ_HEAD(part, partentry) badh;
|
|
|
|
struct diskentry {
|
|
TAILQ_ENTRY(diskentry) d_entries;
|
|
char *d_name; /* disk base name */
|
|
TAILQ_HEAD(prt, partentry) d_part; /* list of partitions on disk */
|
|
int d_pid; /* 0 or pid of fsck proc */
|
|
};
|
|
|
|
TAILQ_HEAD(disk, diskentry) diskh;
|
|
|
|
static int nrun = 0, ndisks = 0;
|
|
|
|
static struct diskentry *finddisk __P((const char *));
|
|
static void addpart __P((const char *, const char *, const char *, void *));
|
|
static int startdisk __P((struct diskentry *,
|
|
int (*)(const char *, const char *, const char *, void *, pid_t *)));
|
|
static void printpart __P((void));
|
|
|
|
int
|
|
checkfstab(flags, maxrun, docheck, checkit)
|
|
int flags, maxrun;
|
|
void *(*docheck) __P((struct fstab *));
|
|
int (*checkit) __P((const char *, const char *, const char *, void *,
|
|
pid_t *));
|
|
{
|
|
struct fstab *fs;
|
|
struct diskentry *d, *nextdisk;
|
|
struct partentry *p;
|
|
int ret, pid, retcode, passno, sumstatus, status;
|
|
void *auxarg;
|
|
const char *name;
|
|
|
|
TAILQ_INIT(&badh);
|
|
TAILQ_INIT(&diskh);
|
|
|
|
sumstatus = 0;
|
|
|
|
for (passno = 1; passno <= 2; passno++) {
|
|
if (setfsent() == 0) {
|
|
warnx("Can't open checklist file: %s\n", _PATH_FSTAB);
|
|
return (8);
|
|
}
|
|
while ((fs = getfsent()) != 0) {
|
|
if ((auxarg = (*docheck)(fs)) == NULL)
|
|
continue;
|
|
|
|
name = blockcheck(fs->fs_spec);
|
|
if (flags & CHECK_DEBUG)
|
|
printf("pass %d, name %s\n", passno, name);
|
|
|
|
if ((flags & CHECK_PREEN) == 0 ||
|
|
(passno == 1 && fs->fs_passno == 1)) {
|
|
if (name == NULL) {
|
|
if (flags & CHECK_PREEN)
|
|
return 8;
|
|
else
|
|
continue;
|
|
}
|
|
sumstatus = (*checkit)(fs->fs_vfstype,
|
|
name, fs->fs_file, auxarg, NULL);
|
|
|
|
if (sumstatus)
|
|
return (sumstatus);
|
|
} else if (passno == 2 && fs->fs_passno > 1) {
|
|
if (name == NULL) {
|
|
(void) fprintf(stderr,
|
|
"BAD DISK NAME %s\n", fs->fs_spec);
|
|
sumstatus |= 8;
|
|
continue;
|
|
}
|
|
addpart(fs->fs_vfstype, name, fs->fs_file,
|
|
auxarg);
|
|
}
|
|
}
|
|
if ((flags & CHECK_PREEN) == 0)
|
|
return 0;
|
|
}
|
|
|
|
if (flags & CHECK_DEBUG)
|
|
printpart();
|
|
|
|
if (flags & CHECK_PREEN) {
|
|
if (maxrun == 0)
|
|
maxrun = ndisks;
|
|
if (maxrun > ndisks)
|
|
maxrun = ndisks;
|
|
nextdisk = diskh.tqh_first;
|
|
for (passno = 0; passno < maxrun; ++passno) {
|
|
if ((ret = startdisk(nextdisk, checkit)) != 0)
|
|
return ret;
|
|
nextdisk = nextdisk->d_entries.tqe_next;
|
|
}
|
|
|
|
while ((pid = wait(&status)) != -1) {
|
|
for (d = diskh.tqh_first; d; d = d->d_entries.tqe_next)
|
|
if (d->d_pid == pid)
|
|
break;
|
|
|
|
if (d == NULL) {
|
|
warnx("Unknown pid %d\n", pid);
|
|
continue;
|
|
}
|
|
|
|
|
|
if (WIFEXITED(status))
|
|
retcode = WEXITSTATUS(status);
|
|
else
|
|
retcode = 0;
|
|
|
|
p = d->d_part.tqh_first;
|
|
|
|
if (flags & (CHECK_DEBUG|CHECK_VERBOSE))
|
|
(void) printf("done %s: %s (%s) = 0x%x\n",
|
|
p->p_type, p->p_devname, p->p_mntpt,
|
|
status);
|
|
|
|
if (WIFSIGNALED(status)) {
|
|
(void) fprintf(stderr,
|
|
"%s: %s (%s): EXITED WITH SIGNAL %d\n",
|
|
p->p_type, p->p_devname, p->p_mntpt,
|
|
WTERMSIG(status));
|
|
retcode = 8;
|
|
}
|
|
|
|
TAILQ_REMOVE(&d->d_part, p, p_entries);
|
|
|
|
if (retcode != 0) {
|
|
TAILQ_INSERT_TAIL(&badh, p, p_entries);
|
|
sumstatus |= retcode;
|
|
} else {
|
|
free(p->p_type);
|
|
free(p->p_devname);
|
|
free(p);
|
|
}
|
|
d->d_pid = 0;
|
|
nrun--;
|
|
|
|
if (d->d_part.tqh_first == NULL)
|
|
ndisks--;
|
|
|
|
if (nextdisk == NULL) {
|
|
if (d->d_part.tqh_first) {
|
|
if ((ret = startdisk(d, checkit)) != 0)
|
|
return ret;
|
|
}
|
|
} else if (nrun < maxrun && nrun < ndisks) {
|
|
for ( ;; ) {
|
|
nextdisk = nextdisk->d_entries.tqe_next;
|
|
if (nextdisk == NULL)
|
|
nextdisk = diskh.tqh_first;
|
|
if (nextdisk->d_part.tqh_first != NULL
|
|
&& nextdisk->d_pid == 0)
|
|
break;
|
|
}
|
|
if ((ret = startdisk(nextdisk, checkit)) != 0)
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
if (sumstatus) {
|
|
p = badh.tqh_first;
|
|
if (p == NULL)
|
|
return (sumstatus);
|
|
|
|
(void) fprintf(stderr,
|
|
"THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
|
|
p->p_entries.tqe_next ? "S" : "",
|
|
"UNEXPECTED INCONSISTENCY:");
|
|
|
|
for (; p; p = p->p_entries.tqe_next)
|
|
(void) fprintf(stderr,
|
|
"%s: %s (%s)%s", p->p_type, p->p_devname,
|
|
p->p_mntpt, p->p_entries.tqe_next ? ", " : "\n");
|
|
|
|
return sumstatus;
|
|
}
|
|
(void) endfsent();
|
|
return (0);
|
|
}
|
|
|
|
|
|
static struct diskentry *
|
|
finddisk(name)
|
|
const char *name;
|
|
{
|
|
const char *p;
|
|
size_t len = 0;
|
|
struct diskentry *d;
|
|
|
|
for (len = strlen(name), p = name + len - 1; p >= name; --p)
|
|
if (isdigit(*p)) {
|
|
len = p - name + 1;
|
|
break;
|
|
}
|
|
if (p < name)
|
|
len = strlen(name);
|
|
|
|
for (d = diskh.tqh_first; d != NULL; d = d->d_entries.tqe_next)
|
|
if (strncmp(d->d_name, name, len) == 0 && d->d_name[len] == 0)
|
|
return d;
|
|
|
|
d = emalloc(sizeof(*d));
|
|
d->d_name = estrdup(name);
|
|
d->d_name[len] = '\0';
|
|
TAILQ_INIT(&d->d_part);
|
|
d->d_pid = 0;
|
|
|
|
TAILQ_INSERT_TAIL(&diskh, d, d_entries);
|
|
ndisks++;
|
|
|
|
return d;
|
|
}
|
|
|
|
|
|
static void
|
|
printpart()
|
|
{
|
|
struct diskentry *d;
|
|
struct partentry *p;
|
|
|
|
for (d = diskh.tqh_first; d != NULL; d = d->d_entries.tqe_next) {
|
|
(void) printf("disk %s: ", d->d_name);
|
|
for (p = d->d_part.tqh_first; p != NULL;
|
|
p = p->p_entries.tqe_next)
|
|
(void) printf("%s ", p->p_devname);
|
|
(void) printf("\n");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
addpart(type, devname, mntpt, auxarg)
|
|
const char *type, *devname, *mntpt;
|
|
void *auxarg;
|
|
{
|
|
struct diskentry *d = finddisk(devname);
|
|
struct partentry *p;
|
|
|
|
for (p = d->d_part.tqh_first; p != NULL; p = p->p_entries.tqe_next)
|
|
if (strcmp(p->p_devname, devname) == 0) {
|
|
warnx("%s in fstab more than once!\n", devname);
|
|
return;
|
|
}
|
|
|
|
p = emalloc(sizeof(*p));
|
|
p->p_devname = estrdup(devname);
|
|
p->p_mntpt = estrdup(mntpt);
|
|
p->p_type = estrdup(type);
|
|
p->p_auxarg = auxarg;
|
|
|
|
TAILQ_INSERT_TAIL(&d->d_part, p, p_entries);
|
|
}
|
|
|
|
|
|
static int
|
|
startdisk(d, checkit)
|
|
struct diskentry *d;
|
|
int (*checkit) __P((const char *, const char *, const char *, void *,
|
|
pid_t *));
|
|
{
|
|
struct partentry *p = d->d_part.tqh_first;
|
|
int rv;
|
|
|
|
while ((rv = (*checkit)(p->p_type, p->p_devname, p->p_mntpt,
|
|
p->p_auxarg, &d->d_pid)) != 0 && nrun > 0)
|
|
sleep(10);
|
|
|
|
if (rv == 0)
|
|
nrun++;
|
|
|
|
return rv;
|
|
}
|