fuzzer: Initial check in for improved fuzzing

Signed-off-by: Tim Rühsen <tim.ruehsen@gmx.de>

1 files changed, 35 insertions, 0 deletions

diff --git a/fuzz/gnutls_base64_decoder_fuzzer.c b/fuzz/gnutls_base64_decoder_fuzzer.c
new file mode 100644
index 0000000000..d3aef8b3ab
--- /dev/null
+++ b/fuzz/gnutls_base64_decoder_fuzzer.c
@@ -0,0 +1,35 @@
+/*
+# Copyright 2017 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+*/
+
+#include <stdint.h>
+
+#include <gnutls/gnutls.h>
+#include "fuzzer.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+	gnutls_datum_t raw = {.data = (unsigned char *)data, .size = size};
+	gnutls_datum_t out;
+	int ret;
+
+	ret = gnutls_pem_base64_decode2(NULL, &raw, &out);
+	if (ret >= 0)
+		gnutls_free(out.data);
+
+	return 0;
+}