Add tests/fuzzers for OSS Fuzz (#965)

1 files changed, 72 insertions, 0 deletions

diff --git a/tests/fuzzers/fuzzingengine.c b/tests/fuzzers/fuzzingengine.c
new file mode 100644
index 00000000..512235db
--- /dev/null
+++ b/tests/fuzzers/fuzzingengine.c
@@ -0,0 +1,72 @@
+/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2017, IntoPix SA <contact@intopix.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int LLVMFuzzerTestOneInput(void *buf, size_t len);
+int LLVMFuzzerInitialize(int* argc, char*** argv);
+
+int main(int argc, char* argv[])
+{
+    LLVMFuzzerInitialize(&argc, &argv);
+    if (argc < 2) {
+        return LLVMFuzzerTestOneInput(" ", 1);
+    } else {
+        int nRet = 0;
+        void* buf = NULL;
+        int nLen = 0;
+        FILE* f = fopen(argv[1], "rb");
+        if (!f) {
+            fprintf(stderr, "%s does not exist.\n", argv[1]);
+            exit(1);
+        }
+        fseek(f, 0, SEEK_END);
+        nLen = (int)ftell(f);
+        fseek(f, 0, SEEK_SET);
+        buf = malloc(nLen);
+        if (!buf) {
+            fprintf(stderr, "malloc failed.\n");
+            fclose(f);
+            exit(1);
+        }
+        if (fread(buf, nLen, 1, f) != 1) {
+            fprintf(stderr, "fread failed.\n");
+            fclose(f);
+            free(buf);
+            exit(1);
+        }
+        fclose(f);
+        nRet = LLVMFuzzerTestOneInput(buf, nLen);
+        free(buf);
+        return nRet;
+    }
+}