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-rw-r--r--tools/tdbdump.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/tools/tdbdump.c b/tools/tdbdump.c
new file mode 100644
index 0000000..9f1ab91
--- /dev/null
+++ b/tools/tdbdump.c
@@ -0,0 +1,181 @@
+/*
+ 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);
+}