1 files changed, 57 insertions, 0 deletions
diff --git a/src/fuzz/set.c b/src/fuzz/set.c
new file mode 100644
index 0000000..22f953b
--- /dev/null
+++ b/src/fuzz/set.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#include <stdio.h>
+#undef stderr
+#define stderr stdin
+#define RUNSTATEDIR "/var/empty"
+#include "../curve25519.c"
+#define parse_allowedips parse_allowedips_ipc
+#include "../ipc.c"
+#undef parse_allowedips
+#include "../encoding.c"
+static FILE *hacked_fopen(const char *pathname, const char *mode);
+#define fopen hacked_fopen
+#include "../config.c"
+#include "../mnlg.c"
+#include "../set.c"
+#undef stderr
+
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+
+const char *__asan_default_options()
+{
+	return "verbosity=1";
+}
+
+const char *PROG_NAME = "wg";
+
+static FILE *hacked_fopen(const char *pathname, const char *mode)
+{
+	return fmemopen((char *)pathname, strlen(pathname), "r");
+}
+
+int LLVMFuzzerTestOneInput(const char *data, size_t data_len)
+{
+	char *argv[8192] = { "set", "wg0" }, *args;
+	size_t argc = 2;
+
+	if (!data_len)
+		return 0;
+
+	assert((args = malloc(data_len)));
+	memcpy(args, data, data_len);
+	args[data_len - 1] = '\0';
+
+	for (char *arg = strtok(args, " \t\n\r"); arg && argc < 8192; arg = strtok(NULL, " \t\n\r")) {
+		if (arg[0])
+			argv[argc++] = arg;
+	}
+	set_main(argc, argv);
+	free(args);
+	return 0;
+}