1 files changed, 63 insertions, 0 deletions
diff --git a/fuzz/libpsl_load_fuzzer.c b/fuzz/libpsl_load_fuzzer.c
new file mode 100644
index 0000000..ecac40c
--- /dev/null
+++ b/fuzz/libpsl_load_fuzzer.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright(c) 2017-2018 Tim Ruehsen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * This file is part of libpsl.
+ */
+
+#include <config.h>
+
+#include <assert.h> /* assert */
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h> /* uint8_t */
+#elif defined (_MSC_VER)
+typedef unsigned __int8 uint8_t;
+#endif
+
+#include <stdlib.h> /* malloc, free */
+#include <string.h> /* memcpy */
+
+#include "libpsl.h"
+#include "fuzzer.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+#ifdef HAVE_FMEMOPEN
+	FILE *fp;
+	psl_ctx_t *psl;
+
+	fp = fmemopen((void *)data, size, "r");
+	if (!fp && size) /* libc6 < 2.22 return NULL when size == 0 */
+		assert(1);
+
+	psl = psl_load_fp(fp);
+	psl_is_public_suffix(NULL, NULL);
+	psl_is_public_suffix(psl, ".ü.com");
+
+	psl_free(psl);
+	if (fp)
+		fclose(fp);
+
+	psl_load_file("/dev/null");
+#endif
+
+	return 0;
+}