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/* $OpenBSD: fsdbutil.c,v 1.20 2019/02/05 02:17:32 deraadt Exp $ */
/* $NetBSD: fsdbutil.c,v 1.5 1996/09/28 19:30:37 christos Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by John T. Kohl.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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/stat.h>
#include <sys/time.h>
#include <sys/mount.h>
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <grp.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include "fsdb.h"
#include "fsck.h"
char **
crack(char *line, int *argc)
{
static char *argv[8];
int i;
char *p, *val;
for (p = line, i = 0; p != NULL && i < 8; i++) {
while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
/**/;
if (val)
argv[i] = val;
else
break;
}
*argc = i;
return argv;
}
int
argcount(struct cmdtable *cmdp, int argc, char *argv[])
{
if (cmdp->minargc == cmdp->maxargc)
warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1);
else
warnx("command `%s' takes from %u to %u arguments",
cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
return 1;
}
void
printstat(const char *cp, ino_t inum, union dinode *dp)
{
const char *name;
time_t t;
char *p;
printf("%s: ", cp);
switch (DIP(dp, di_mode) & IFMT) {
case IFDIR:
puts("directory");
break;
case IFREG:
puts("regular file");
break;
case IFBLK:
printf("block special (%u,%u)",
(int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev)));
break;
case IFCHR:
printf("character special (%u,%u)",
(int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev)));
break;
case IFLNK:
fputs("symlink",stdout);
if (DIP(dp, di_size) > 0 &&
DIP(dp, di_size) < sblock.fs_maxsymlinklen &&
DIP(dp, di_blocks) == 0) {
char *p = sblock.fs_magic == FS_UFS1_MAGIC ?
(char *)dp->dp1.di_shortlink :
(char *)dp->dp2.di_shortlink;
printf(" to `%.*s'\n", (int)DIP(dp, di_size), p);
} else
putchar('\n');
break;
case IFSOCK:
puts("socket");
break;
case IFIFO:
puts("fifo");
break;
}
printf("I=%llu MODE=%o SIZE=%llu", (unsigned long long)inum,
DIP(dp, di_mode), DIP(dp, di_size));
t = DIP(dp, di_mtime);
p = ctime(&t);
printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
DIP(dp, di_mtimensec));
t = DIP(dp, di_ctime);
p = ctime(&t);
printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
DIP(dp, di_ctimensec));
t = DIP(dp, di_atime);
p = ctime(&t);
printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
DIP(dp, di_atimensec));
if ((name = user_from_uid(DIP(dp, di_uid), 1)) != NULL)
printf("OWNER=%s ", name);
else
printf("OWNUID=%u ", DIP(dp, di_uid));
if ((name = group_from_gid(DIP(dp, di_gid), 1)) != NULL)
printf("GRP=%s ", name);
else
printf("GID=%u ", DIP(dp, di_gid));
printf("LINKCNT=%d FLAGS=%#x BLKCNT=%x GEN=%x\n", DIP(dp, di_nlink),
DIP(dp, di_flags), (unsigned)DIP(dp, di_blocks), DIP(dp, di_gen));
}
int
checkactive(void)
{
if (!curinode) {
warnx("no current inode");
return 0;
}
return 1;
}
int
checkactivedir(void)
{
if (!curinode) {
warnx("no current inode");
return 0;
}
if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
warnx("inode %llu not a directory",
(unsigned long long)curinum);
return 0;
}
return 1;
}
int
printactive(void)
{
if (!checkactive())
return 1;
switch (DIP(curinode, di_mode) & IFMT) {
case IFDIR:
case IFREG:
case IFBLK:
case IFCHR:
case IFLNK:
case IFSOCK:
case IFIFO:
printstat("current inode", curinum, curinode);
break;
case 0:
printf("current inode %llu: unallocated inode\n",
(unsigned long long)curinum);
break;
default:
printf("current inode %llu: screwy itype 0%o (mode 0%o)?\n",
(unsigned long long)curinum, DIP(curinode, di_mode) & IFMT,
DIP(curinode, di_mode));
break;
}
return 0;
}
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