290 lines
6.9 KiB
C
290 lines
6.9 KiB
C
/* $NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $ */
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/*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: preen.c,v 1.18 1998/07/26 20:02:36 mycroft Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <sys/queue.h>
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#include <ufs/ufs/quota.h>
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#include <err.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <fstab.h>
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#include <libutil.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "quotacheck.h"
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struct partentry {
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TAILQ_ENTRY(partentry) p_entries;
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char *p_devname; /* device name */
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const char *p_mntpt; /* mount point */
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struct quotafile *p_qfu; /* user quota file info ptr */
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struct quotafile *p_qfg; /* group quota file info */
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};
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TAILQ_HEAD(part, partentry) badh;
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struct diskentry {
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TAILQ_ENTRY(diskentry) d_entries;
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char *d_name; /* disk base name */
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TAILQ_HEAD(prt, partentry) d_part; /* list of partitions on disk */
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int d_pid; /* 0 or pid of fsck proc */
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};
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TAILQ_HEAD(disk, diskentry) diskh;
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static struct diskentry *finddisk(const char *);
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static void addpart(struct fstab *, struct quotafile *, struct quotafile *);
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static int startdisk(struct diskentry *);
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extern void *emalloc(size_t);
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extern char *estrdup(const char *);
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int
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checkfstab(int uflag, int gflag)
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{
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struct fstab *fs;
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struct diskentry *d, *nextdisk;
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struct partentry *p;
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int ret, pid, retcode, passno, sumstatus, status, nextpass;
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struct quotafile *qfu, *qfg;
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TAILQ_INIT(&badh);
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TAILQ_INIT(&diskh);
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sumstatus = 0;
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nextpass = 0;
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for (passno = 1; nextpass != INT_MAX; passno = nextpass) {
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nextpass = INT_MAX;
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if (setfsent() == 0) {
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warnx("Can't open checklist file: %s\n", _PATH_FSTAB);
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return (8);
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}
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while ((fs = getfsent()) != 0) {
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if (fs->fs_passno > passno && fs->fs_passno < nextpass)
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nextpass = fs->fs_passno;
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if (passno != fs->fs_passno)
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continue;
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qfu = NULL;
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if (uflag)
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qfu = quota_open(fs, USRQUOTA, O_CREAT|O_RDWR);
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qfg = NULL;
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if (gflag)
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qfg = quota_open(fs, GRPQUOTA, O_CREAT|O_RDWR);
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if (qfu == NULL && qfg == NULL)
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continue;
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if (passno == 1) {
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sumstatus = chkquota(fs->fs_spec, qfu, qfg);
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if (qfu)
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quota_close(qfu);
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if (qfg)
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quota_close(qfg);
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if (sumstatus)
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return (sumstatus);
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continue;
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}
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addpart(fs, qfu, qfg);
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}
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if (passno == 1)
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continue;
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TAILQ_FOREACH(nextdisk, &diskh, d_entries) {
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if ((ret = startdisk(nextdisk)) != 0)
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return ret;
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}
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while ((pid = wait(&status)) != -1) {
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TAILQ_FOREACH(d, &diskh, d_entries)
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if (d->d_pid == pid)
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break;
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if (d == NULL) {
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warnx("Unknown pid %d\n", pid);
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continue;
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}
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if (WIFEXITED(status))
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retcode = WEXITSTATUS(status);
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else
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retcode = 0;
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p = TAILQ_FIRST(&d->d_part);
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if (WIFSIGNALED(status)) {
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(void) fprintf(stderr,
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"%s: (%s): EXITED WITH SIGNAL %d\n",
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p->p_devname, p->p_mntpt,
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WTERMSIG(status));
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retcode = 8;
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}
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TAILQ_REMOVE(&d->d_part, p, p_entries);
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if (retcode != 0) {
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TAILQ_INSERT_TAIL(&badh, p, p_entries);
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sumstatus |= retcode;
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} else {
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free(p->p_devname);
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if (p->p_qfu)
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quota_close(p->p_qfu);
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if (p->p_qfg)
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quota_close(p->p_qfg);
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free(p);
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}
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d->d_pid = 0;
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if (TAILQ_EMPTY(&d->d_part)) {
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TAILQ_REMOVE(&diskh, d, d_entries);
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} else {
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if ((ret = startdisk(d)) != 0)
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return ret;
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}
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}
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}
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if (sumstatus) {
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p = TAILQ_FIRST(&badh);
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if (p == NULL)
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return (sumstatus);
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(void) fprintf(stderr,
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"THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
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TAILQ_NEXT(p, p_entries) ? "S" : "",
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"UNEXPECTED INCONSISTENCY:");
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for (; p; p = TAILQ_NEXT(p, p_entries))
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(void) fprintf(stderr,
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"%s: (%s)%s", p->p_devname, p->p_mntpt,
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TAILQ_NEXT(p, p_entries) ? ", " : "\n");
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return sumstatus;
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}
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(void) endfsent();
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return (0);
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}
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static struct diskentry *
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finddisk(const char *name)
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{
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const char *p;
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size_t len = 0;
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struct diskentry *d;
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p = strrchr(name, '/');
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if (p == NULL)
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p = name;
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else
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p++;
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for (; *p && !isdigit(*p); p++)
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continue;
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for (; *p && isdigit(*p); p++)
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continue;
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len = p - name;
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if (len == 0)
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len = strlen(name);
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TAILQ_FOREACH(d, &diskh, d_entries)
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if (strncmp(d->d_name, name, len) == 0 && d->d_name[len] == 0)
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return d;
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d = emalloc(sizeof(*d));
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d->d_name = estrdup(name);
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d->d_name[len] = '\0';
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TAILQ_INIT(&d->d_part);
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d->d_pid = 0;
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TAILQ_INSERT_TAIL(&diskh, d, d_entries);
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return d;
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}
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static void
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addpart(struct fstab *fs, struct quotafile *qfu, struct quotafile *qfg)
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{
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struct diskentry *d = finddisk(fs->fs_spec);
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struct partentry *p;
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TAILQ_FOREACH(p, &d->d_part, p_entries)
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if (strcmp(p->p_devname, fs->fs_spec) == 0) {
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warnx("%s in fstab more than once!\n", fs->fs_spec);
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return;
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}
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p = emalloc(sizeof(*p));
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p->p_devname = estrdup(blockcheck(fs->fs_spec));
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if (qfu != NULL)
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p->p_mntpt = quota_fsname(qfu);
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else
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p->p_mntpt = quota_fsname(qfg);
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p->p_qfu = qfu;
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p->p_qfg = qfg;
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TAILQ_INSERT_TAIL(&d->d_part, p, p_entries);
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}
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static int
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startdisk(struct diskentry *d)
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{
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struct partentry *p = TAILQ_FIRST(&d->d_part);
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d->d_pid = fork();
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if (d->d_pid < 0) {
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perror("fork");
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return (8);
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}
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if (d->d_pid == 0)
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exit(chkquota(p->p_devname, p->p_qfu, p->p_qfg));
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return (0);
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}
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