mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
47b57a2fc8
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
182 lines
3.9 KiB
C
182 lines
3.9 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
simple tdb dump util
|
|
Copyright (C) Andrew Tridgell 2001
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "replace.h"
|
|
#include "system/locale.h"
|
|
#include "system/time.h"
|
|
#include "system/filesys.h"
|
|
#include "system/wait.h"
|
|
#include "tdb.h"
|
|
|
|
static void print_data(TDB_DATA d)
|
|
{
|
|
unsigned char *p = (unsigned char *)d.dptr;
|
|
int len = d.dsize;
|
|
while (len--) {
|
|
if (isprint(*p) && !strchr("\"\\", *p)) {
|
|
fputc(*p, stdout);
|
|
} else {
|
|
printf("\\%02X", *p);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
|
|
{
|
|
printf("{\n");
|
|
printf("key(%zu) = \"", key.dsize);
|
|
print_data(key);
|
|
printf("\"\n");
|
|
printf("data(%zu) = \"", dbuf.dsize);
|
|
print_data(dbuf);
|
|
printf("\"\n");
|
|
printf("}\n");
|
|
return 0;
|
|
}
|
|
|
|
static void log_stderr(struct tdb_context *tdb, enum tdb_debug_level level,
|
|
const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
|
|
|
|
static void log_stderr(struct tdb_context *tdb, enum tdb_debug_level level,
|
|
const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
const char *name = tdb_name(tdb);
|
|
const char *prefix = "";
|
|
|
|
if (!name)
|
|
name = "unnamed";
|
|
|
|
switch (level) {
|
|
case TDB_DEBUG_ERROR:
|
|
prefix = "ERROR: ";
|
|
break;
|
|
case TDB_DEBUG_WARNING:
|
|
prefix = "WARNING: ";
|
|
break;
|
|
case TDB_DEBUG_TRACE:
|
|
return;
|
|
|
|
default:
|
|
case TDB_DEBUG_FATAL:
|
|
prefix = "FATAL: ";
|
|
break;
|
|
}
|
|
|
|
va_start(ap, fmt);
|
|
fprintf(stderr, "tdb(%s): %s", name, prefix);
|
|
vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
static void emergency_walk(TDB_DATA key, TDB_DATA dbuf, void *keyname)
|
|
{
|
|
if (keyname) {
|
|
if (key.dsize != strlen(keyname))
|
|
return;
|
|
if (memcmp(key.dptr, keyname, key.dsize) != 0)
|
|
return;
|
|
}
|
|
traverse_fn(NULL, key, dbuf, NULL);
|
|
}
|
|
|
|
static int dump_tdb(const char *fname, const char *keyname, bool emergency)
|
|
{
|
|
TDB_CONTEXT *tdb;
|
|
TDB_DATA key, value;
|
|
struct tdb_logging_context logfn = {
|
|
.log_fn = log_stderr,
|
|
};
|
|
int tdb_flags = TDB_DEFAULT;
|
|
|
|
/*
|
|
* Note: that O_RDONLY implies TDB_NOLOCK, but we want to make it
|
|
* explicit as it's important when working on databases which were
|
|
* created with mutex locking.
|
|
*/
|
|
tdb_flags |= TDB_NOLOCK;
|
|
|
|
tdb = tdb_open_ex(fname, 0, tdb_flags, O_RDONLY, 0, &logfn, NULL);
|
|
if (!tdb) {
|
|
printf("Failed to open %s\n", fname);
|
|
return 1;
|
|
}
|
|
|
|
if (emergency) {
|
|
return tdb_rescue(tdb, emergency_walk, discard_const(keyname)) == 0;
|
|
}
|
|
if (!keyname) {
|
|
return tdb_traverse(tdb, traverse_fn, NULL) == -1 ? 1 : 0;
|
|
} else {
|
|
key.dptr = discard_const_p(uint8_t, keyname);
|
|
key.dsize = strlen(keyname);
|
|
value = tdb_fetch(tdb, key);
|
|
if (!value.dptr) {
|
|
return 1;
|
|
} else {
|
|
print_data(value);
|
|
free(value.dptr);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void usage( void)
|
|
{
|
|
printf( "Usage: tdbdump [options] <filename>\n\n");
|
|
printf( " -h this help message\n");
|
|
printf( " -k keyname dumps value of keyname\n");
|
|
printf( " -e emergency dump, for corrupt databases\n");
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
char *fname, *keyname=NULL;
|
|
bool emergency = false;
|
|
int c;
|
|
|
|
if (argc < 2) {
|
|
printf("Usage: tdbdump <fname>\n");
|
|
exit(1);
|
|
}
|
|
|
|
while ((c = getopt( argc, argv, "hk:e")) != -1) {
|
|
switch (c) {
|
|
case 'h':
|
|
usage();
|
|
exit( 0);
|
|
case 'k':
|
|
keyname = optarg;
|
|
break;
|
|
case 'e':
|
|
emergency = true;
|
|
break;
|
|
default:
|
|
usage();
|
|
exit( 1);
|
|
}
|
|
}
|
|
|
|
fname = argv[optind];
|
|
|
|
return dump_tdb(fname, keyname, emergency);
|
|
}
|