1 files changed, 49 insertions, 0 deletions
diff --git a/lib/tar/test/tar_fuzz.c b/lib/tar/test/tar_fuzz.c
new file mode 100644
index 0000000..21e6978
--- /dev/null
+++ b/lib/tar/test/tar_fuzz.c
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * tar_fuzz.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#include "config.h"
+
+#include "io/file.h"
+#include "tar/tar.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	tar_header_decoded_t hdr;
+	istream_t *fp;
+	int ret;
+
+	if (argc != 2) {
+		fputs("usage: tar_fuzz <tarball>\n", stderr);
+		return EXIT_FAILURE;
+	}
+
+	fp = istream_open_file(argv[1]);
+	if (fp == NULL)
+		return EXIT_FAILURE;
+
+	for (;;) {
+		ret = read_header(fp, &hdr);
+		if (ret > 0)
+			break;
+		if (ret < 0)
+			goto fail;
+
+		ret = istream_skip(fp, hdr.record_size);
+
+		clear_header(&hdr);
+		if (ret < 0)
+			goto fail;
+	}
+
+	sqfs_drop(fp);
+	return EXIT_SUCCESS;
+fail:
+	sqfs_drop(fp);
+	return EXIT_FAILURE;
+}