Adding upstream version 1.4.8.upstream/1.4.8upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+}