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authorTheo de Raadt <deraadt@cvs.openbsd.org>1996-04-21 23:47:39 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1996-04-21 23:47:39 +0000
commit882e83ccf31fca22178b290a6753a605bb52044c (patch)
treee2e6ec6ef7e162fd03a03e5c71bc96ce90d1c105 /sbin/fsck/preen.c
parent67d88b0a9910a68bb666b448d2dac29cb4d3d8c2 (diff)
sync to netbsd 960418
Diffstat (limited to 'sbin/fsck/preen.c')
-rw-r--r--sbin/fsck/preen.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/sbin/fsck/preen.c b/sbin/fsck/preen.c
deleted file mode 100644
index d347cd3f1de..00000000000
--- a/sbin/fsck/preen.c
+++ /dev/null
@@ -1,370 +0,0 @@
-/* $NetBSD: preen.c,v 1.11 1995/03/18 14:55:59 cgd 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.
- */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)preen.c 8.3 (Berkeley) 12/6/94";
-#else
-static char rcsid[] = "$NetBSD: preen.c,v 1.11 1995/03/18 14:55:59 cgd Exp $";
-#endif
-#endif /* not lint */
-
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <fstab.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <unistd.h>
-
-struct part {
- struct part *next; /* forward link of partitions on disk */
- char *name; /* device name */
- char *fsname; /* mounted filesystem name */
- long auxdata; /* auxillary data for application */
-} *badlist, **badnext = &badlist;
-
-struct disk {
- char *name; /* disk base name */
- struct disk *next; /* forward link for list of disks */
- struct part *part; /* head of list of partitions on disk */
- int pid; /* If != 0, pid of proc working on */
-} *disks;
-
-int nrun, ndisks;
-char hotroot;
-
-char *rawname(), *unrawname(), *blockcheck();
-void addpart __P((char *, char *, long));
-int startdisk __P((struct disk *, int (*)() ));
-
-int
-checkfstab(preen, maxrun, docheck, chkit)
- int preen, maxrun;
- int (*docheck)(), (*chkit)();
-{
- register struct fstab *fsp;
- register struct disk *dk, *nextdisk;
- register struct part *pt;
- int ret, pid, retcode, passno, sumstatus, status;
- long auxdata;
- char *name;
-
- sumstatus = 0;
- for (passno = 1; passno <= 2; passno++) {
- if (setfsent() == 0) {
- fprintf(stderr, "Can't open checklist file: %s\n",
- _PATH_FSTAB);
- return (8);
- }
- while ((fsp = getfsent()) != 0) {
- if ((auxdata = (*docheck)(fsp)) == 0)
- continue;
- if (preen == 0 || passno == 1 && fsp->fs_passno == 1) {
- if (name = blockcheck(fsp->fs_spec)) {
- if (sumstatus = (*chkit)(name,
- fsp->fs_file, auxdata, 0))
- return (sumstatus);
- } else if (preen)
- return (8);
- } else if (passno == 2 && fsp->fs_passno > 1) {
- if ((name = blockcheck(fsp->fs_spec)) == NULL) {
- fprintf(stderr, "BAD DISK NAME %s\n",
- fsp->fs_spec);
- sumstatus |= 8;
- continue;
- }
- addpart(name, fsp->fs_file, auxdata);
- }
- }
- if (preen == 0)
- return (0);
- }
- if (preen) {
- if (maxrun == 0)
- maxrun = ndisks;
- if (maxrun > ndisks)
- maxrun = ndisks;
- nextdisk = disks;
- for (passno = 0; passno < maxrun; ++passno) {
- while (ret = startdisk(nextdisk, chkit) && nrun > 0)
- sleep(10);
- if (ret)
- return (ret);
- nextdisk = nextdisk->next;
- }
- while ((pid = wait(&status)) != -1) {
- for (dk = disks; dk; dk = dk->next)
- if (dk->pid == pid)
- break;
- if (dk == 0) {
- printf("Unknown pid %d\n", pid);
- continue;
- }
- if (WIFEXITED(status))
- retcode = WEXITSTATUS(status);
- else
- retcode = 0;
- if (WIFSIGNALED(status)) {
- printf("%s (%s): EXITED WITH SIGNAL %d\n",
- dk->part->name, dk->part->fsname,
- WTERMSIG(status));
- retcode = 8;
- }
- if (retcode != 0) {
- sumstatus |= retcode;
- *badnext = dk->part;
- badnext = &dk->part->next;
- dk->part = dk->part->next;
- *badnext = NULL;
- } else
- dk->part = dk->part->next;
- dk->pid = 0;
- nrun--;
- if (dk->part == NULL)
- ndisks--;
-
- if (nextdisk == NULL) {
- if (dk->part) {
- while (ret = startdisk(dk, chkit) &&
- nrun > 0)
- sleep(10);
- if (ret)
- return (ret);
- }
- } else if (nrun < maxrun && nrun < ndisks) {
- for ( ;; ) {
- if ((nextdisk = nextdisk->next) == NULL)
- nextdisk = disks;
- if (nextdisk->part != NULL &&
- nextdisk->pid == 0)
- break;
- }
- while (ret = startdisk(nextdisk, chkit) &&
- nrun > 0)
- sleep(10);
- if (ret)
- return (ret);
- }
- }
- }
- if (sumstatus) {
- if (badlist == 0)
- return (sumstatus);
- fprintf(stderr, "THE FOLLOWING FILE SYSTEM%s HAD AN %s\n\t",
- badlist->next ? "S" : "", "UNEXPECTED INCONSISTENCY:");
- for (pt = badlist; pt; pt = pt->next)
- fprintf(stderr, "%s (%s)%s", pt->name, pt->fsname,
- pt->next ? ", " : "\n");
- return (sumstatus);
- }
- (void)endfsent();
- return (0);
-}
-
-struct disk *
-finddisk(name)
- char *name;
-{
- register struct disk *dk, **dkp;
- register char *p;
- size_t len;
-
- for (p = name + strlen(name) - 1; p >= name; --p)
- if (isdigit(*p)) {
- len = p - name + 1;
- break;
- }
- if (p < name)
- len = strlen(name);
-
- for (dk = disks, dkp = &disks; dk; dkp = &dk->next, dk = dk->next) {
- if (strncmp(dk->name, name, len) == 0 &&
- dk->name[len] == 0)
- return (dk);
- }
- if ((*dkp = (struct disk *)malloc(sizeof(struct disk))) == NULL) {
- fprintf(stderr, "out of memory");
- exit (8);
- }
- dk = *dkp;
- if ((dk->name = malloc(len + 1)) == NULL) {
- fprintf(stderr, "out of memory");
- exit (8);
- }
- (void)strncpy(dk->name, name, len);
- dk->name[len] = '\0';
- dk->part = NULL;
- dk->next = NULL;
- dk->pid = 0;
- ndisks++;
- return (dk);
-}
-
-void
-addpart(name, fsname, auxdata)
- char *name, *fsname;
- long auxdata;
-{
- struct disk *dk = finddisk(name);
- register struct part *pt, **ppt = &dk->part;
-
- for (pt = dk->part; pt; ppt = &pt->next, pt = pt->next)
- if (strcmp(pt->name, name) == 0) {
- printf("%s in fstab more than once!\n", name);
- return;
- }
- if ((*ppt = (struct part *)malloc(sizeof(struct part))) == NULL) {
- fprintf(stderr, "out of memory");
- exit (8);
- }
- pt = *ppt;
- if ((pt->name = malloc(strlen(name) + 1)) == NULL) {
- fprintf(stderr, "out of memory");
- exit (8);
- }
- (void)strcpy(pt->name, name);
- if ((pt->fsname = malloc(strlen(fsname) + 1)) == NULL) {
- fprintf(stderr, "out of memory");
- exit (8);
- }
- (void)strcpy(pt->fsname, fsname);
- pt->next = NULL;
- pt->auxdata = auxdata;
-}
-
-int
-startdisk(dk, checkit)
- register struct disk *dk;
- int (*checkit)();
-{
- register struct part *pt = dk->part;
-
- dk->pid = fork();
- if (dk->pid < 0) {
- perror("fork");
- return (8);
- }
- if (dk->pid == 0)
- exit((*checkit)(pt->name, pt->fsname, pt->auxdata, 1));
- nrun++;
- return (0);
-}
-
-char *
-blockcheck(origname)
- char *origname;
-{
- struct stat stslash, stblock, stchar;
- char *newname, *raw;
- int retried = 0;
-
- hotroot = 0;
- if (stat("/", &stslash) < 0) {
- perror("/");
- printf("Can't stat root\n");
- return (origname);
- }
- newname = origname;
-retry:
- if (stat(newname, &stblock) < 0) {
- perror(newname);
- printf("Can't stat %s\n", newname);
- return (origname);
- }
- if (S_ISBLK(stblock.st_mode)) {
- if (stslash.st_dev == stblock.st_rdev)
- hotroot++;
- raw = rawname(newname);
- if (stat(raw, &stchar) < 0) {
- perror(raw);
- printf("Can't stat %s\n", raw);
- return (origname);
- }
- if (S_ISCHR(stchar.st_mode)) {
- return (raw);
- } else {
- printf("%s is not a character device\n", raw);
- return (origname);
- }
- } else if (S_ISCHR(stblock.st_mode) && !retried) {
- newname = unrawname(newname);
- retried++;
- goto retry;
- }
- /*
- * Not a block or character device, just return name and
- * let the user decide whether to use it.
- */
- return (origname);
-}
-
-char *
-unrawname(name)
- char *name;
-{
- char *dp;
- struct stat stb;
-
- if ((dp = strrchr(name, '/')) == 0)
- return (name);
- if (stat(name, &stb) < 0)
- return (name);
- if (!S_ISCHR(stb.st_mode))
- return (name);
- if (dp[1] != 'r')
- return (name);
- (void)strcpy(&dp[1], &dp[2]);
- return (name);
-}
-
-char *
-rawname(name)
- char *name;
-{
- static char rawbuf[32];
- char *dp;
-
- if ((dp = strrchr(name, '/')) == 0)
- return (0);
- *dp = 0;
- (void)strcpy(rawbuf, name);
- *dp = '/';
- (void)strcat(rawbuf, "/r");
- (void)strcat(rawbuf, &dp[1]);
- return (rawbuf);
-}