r13197: Add -k switch to dump the data of a single key.

(This used to be commit 23503ff45f2a377728bc5ebb1e6db2755bb5ca2b)

1 files changed, 41 insertions, 5 deletions

diff --git a/source3/tdb/tdbdump.c b/source3/tdb/tdbdump.c
index 6cac0bc5cc..b702fb0735 100644
--- a/source3/tdb/tdbdump.c
+++ b/source3/tdb/tdbdump.c
@@ -59,9 +59,10 @@ static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *stat
 	return 0;
 }
 
-static int dump_tdb(const char *fname)
+static int dump_tdb(const char *fname, const char *keyname)
 {
 	TDB_CONTEXT *tdb;
+	TDB_DATA key, value;
 	
 	tdb = tdb_open(fname, 0, 0, O_RDONLY, 0);
 	if (!tdb) {
@@ -69,20 +70,55 @@ static int dump_tdb(const char *fname)
 		return 1;
 	}
 
-	tdb_traverse(tdb, traverse_fn, NULL);
+	if (!keyname) {
+		tdb_traverse(tdb, traverse_fn, NULL);
+	} else {
+		key.dptr = (char *)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");
+}
+
  int main(int argc, char *argv[])
 {
-	char *fname;
+	char *fname, *keyname=NULL;
+	int c;
 
 	if (argc < 2) {
 		printf("Usage: tdbdump <fname>\n");
 		exit(1);
 	}
 
-	fname = argv[1];
+	while ((c = getopt( argc, argv, "hk:")) != -1) {
+		switch (c) {
+		case 'h':
+			usage();
+			exit( 0);
+		case 'k':
+			keyname = optarg;
+			break;
+		default:
+			usage();
+			exit( 1);
+		}
+	}
+
+	fname = argv[optind];
 
-	return dump_tdb(fname);
+	return dump_tdb(fname, keyname);
 }