freebsd-nq/sbin/fsdb/fsdbutil.c
Kirk McKusick 68d7185b64 The fsdb(8) utility uses the fsck_ffs(8) disk I/O interfaces, so
switch from using libufs's bread() to using fsck_ffs's getdatablk()
when importing tools/diag/prtblnos's prtblknos().

Sponsored by: Netflix
2020-09-19 20:06:12 +00:00

254 lines
6.4 KiB
C

/* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1995 John T. Kohl
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR `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 AUTHOR 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
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <ctype.h>
#include <err.h>
#include <grp.h>
#include <pwd.h>
#include <stdint.h>
#include <string.h>
#include <time.h>
#include <timeconv.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include <sys/ioctl.h>
#include "fsdb.h"
#include "fsck.h"
void prtblknos(struct fs *fs, union dinode *dp);
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;
}
char **
recrack(char *line, int *argc, int argc_max)
{
static char *argv[8];
int i;
char *p, *val;
for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) {
while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
/**/;
if (val)
argv[i] = val;
else
break;
}
argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1;
argv[i][strcspn(argv[i], "\n")] = '\0';
*argc = i + 1;
return argv;
}
int
argcount(struct cmdtable *cmdp, int argc, char *argv[])
{
if (cmdp->minargc == cmdp->maxargc)
warnx("command `%s' takes %u arguments, got %u", cmdp->cmd,
cmdp->minargc-1, argc-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)
{
struct group *grp;
struct passwd *pw;
ufs2_daddr_t blocks;
int64_t gen;
char *p;
time_t t;
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 (%#jx)", (uintmax_t)DIP(dp, di_rdev));
break;
case IFCHR:
printf("character special (%#jx)", 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) {
if (sblock.fs_magic == FS_UFS1_MAGIC)
p = (caddr_t)dp->dp1.di_db;
else
p = (caddr_t)dp->dp2.di_db;
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=%ju MODE=%o SIZE=%ju", (uintmax_t)inum, DIP(dp, di_mode),
(uintmax_t)DIP(dp, di_size));
if (sblock.fs_magic != FS_UFS1_MAGIC) {
t = _time64_to_time(dp->dp2.di_birthtime);
p = ctime(&t);
printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
dp->dp2.di_birthnsec);
}
if (sblock.fs_magic == FS_UFS1_MAGIC)
t = _time32_to_time(dp->dp1.di_mtime);
else
t = _time64_to_time(dp->dp2.di_mtime);
p = ctime(&t);
printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
DIP(dp, di_mtimensec));
if (sblock.fs_magic == FS_UFS1_MAGIC)
t = _time32_to_time(dp->dp1.di_ctime);
else
t = _time64_to_time(dp->dp2.di_ctime);
p = ctime(&t);
printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
DIP(dp, di_ctimensec));
if (sblock.fs_magic == FS_UFS1_MAGIC)
t = _time32_to_time(dp->dp1.di_atime);
else
t = _time64_to_time(dp->dp2.di_atime);
p = ctime(&t);
printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
DIP(dp, di_atimensec));
if ((pw = getpwuid(DIP(dp, di_uid))))
printf("OWNER=%s ", pw->pw_name);
else
printf("OWNUID=%u ", DIP(dp, di_uid));
if ((grp = getgrgid(DIP(dp, di_gid))))
printf("GRP=%s ", grp->gr_name);
else
printf("GID=%u ", DIP(dp, di_gid));
blocks = DIP(dp, di_blocks);
gen = DIP(dp, di_gen);
printf("LINKCNT=%d FLAGS=%#x BLKCNT=%jx GEN=%jx\n", DIP(dp, di_nlink),
DIP(dp, di_flags), (intmax_t)blocks, (intmax_t)gen);
}
int
checkactive(void)
{
if (!curinode) {
warnx("no current inode\n");
return 0;
}
return 1;
}
int
checkactivedir(void)
{
if (!curinode) {
warnx("no current inode\n");
return 0;
}
if ((DIP(curinode, di_mode) & IFMT) != IFDIR) {
warnx("inode %ju not a directory", (uintmax_t)curinum);
return 0;
}
return 1;
}
int
printactive(int doblocks)
{
if (!checkactive())
return 1;
switch (DIP(curinode, di_mode) & IFMT) {
case IFDIR:
case IFREG:
case IFBLK:
case IFCHR:
case IFLNK:
case IFSOCK:
case IFIFO:
if (doblocks)
prtblknos(&sblock, curinode);
else
printstat("current inode", curinum, curinode);
break;
case 0:
printf("current inode %ju: unallocated inode\n", (uintmax_t)curinum);
break;
default:
printf("current inode %ju: screwy itype 0%o (mode 0%o)?\n",
(uintmax_t)curinum, DIP(curinode, di_mode) & IFMT,
DIP(curinode, di_mode));
break;
}
return 0;
}