1 files changed, 43 insertions, 0 deletions
diff --git a/projects/openvpn/fuzz_base64.c b/projects/openvpn/fuzz_base64.c
new file mode 100644
index 000000000..c9c45b84b
--- /dev/null
+++ b/projects/openvpn/fuzz_base64.c
@@ -0,0 +1,43 @@
+/* Copyright 2021 Google LLC
+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 <stdlib.h>
+#include <string.h>
+
+#include "base64.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+  if (size > 500) {
+    return 0;
+  }
+
+  char *new_str = (char *)malloc(size + 1);
+  if (new_str == NULL) {
+    return 0;
+  }
+  memcpy(new_str, data, size);
+  new_str[size] = '\0';
+
+  char *str = NULL;
+  openvpn_base64_encode(data, size, &str);
+  if(str != NULL) {
+    free(str);
+  }
+
+  uint16_t outsize = 10000;
+  char *output_buf = (char *)malloc(outsize);
+  openvpn_base64_decode(new_str, output_buf, outsize);
+  free(output_buf);
+
+  free(new_str);
+  return 0;
+}