diff options
Diffstat (limited to 'sbin/fsck_ffs/preen.c')
-rw-r--r-- | sbin/fsck_ffs/preen.c | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/sbin/fsck_ffs/preen.c b/sbin/fsck_ffs/preen.c deleted file mode 100644 index 371d344..0000000 --- a/sbin/fsck_ffs/preen.c +++ /dev/null @@ -1,282 +0,0 @@ -/* - * 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 const char sccsid[] = "@(#)preen.c 8.5 (Berkeley) 4/28/95"; -#endif -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/stat.h> -#include <sys/wait.h> - -#include <ufs/ufs/dinode.h> -#include <ufs/ffs/fs.h> - -#include <ctype.h> -#include <errno.h> -#include <fstab.h> -#include <string.h> - -#include "fsck.h" - -struct part { - struct part *next; /* forward link of partitions on disk */ - char *name; /* device name */ - char *fsname; /* mounted filesystem name */ - long auxdata; /* auxiliary 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; - -static void addpart(char *name, char *fsname, long auxdata); -static struct disk *finddisk(char *name); -static int startdisk(struct disk *dk,int (*checkit)(char *, char *, long, int)); - -int -checkfstab(int preen, int maxrun, int (*docheck)(struct fstab *), - int (*chkit)(char *, char *, long, int)) -{ - struct fstab *fsp; - struct disk *dk, *nextdisk; - 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)) != 0) { - if ((sumstatus = (*chkit)(name, - fsp->fs_file, auxdata, 0)) != 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); -} - -static struct disk * -finddisk(char *name) -{ - struct disk *dk, **dkp; - char *p; - size_t len; - - p = strrchr(name, '/'); - p = p == NULL ? name : p + 1; - while (*p != '\0' && !isdigit((u_char)*p)) - p++; - while (isdigit((u_char)*p)) - p++; - len = (size_t)(p - 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); -} - -static void -addpart(char *name, char *fsname, long auxdata) -{ - struct disk *dk = finddisk(name); - 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; -} - -static int -startdisk(struct disk *dk, int (*checkit)(char *, char *, long, int)) -{ - 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); -} - |