1 files changed, 72 insertions, 0 deletions
diff --git a/wpa_supplicant/hidl/1.0/misc_utils.h b/wpa_supplicant/hidl/1.0/misc_utils.h
new file mode 100644
index 00000000..354ec328
--- /dev/null
+++ b/wpa_supplicant/hidl/1.0/misc_utils.h
@@ -0,0 +1,72 @@
+/*
+ * hidl interface for wpa_supplicant daemon
+ * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef MISC_UTILS_H_
+#define MISC_UTILS_H_
+
+extern "C" {
+#include "wpabuf.h"
+}
+
+namespace {
+constexpr size_t kWpsPinNumDigits = 8;
+// Custom deleter for wpabuf.
+void freeWpaBuf(wpabuf *ptr) { wpabuf_free(ptr); }
+}  // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace supplicant {
+namespace V1_0 {
+namespace implementation {
+namespace misc_utils {
+using wpabuf_unique_ptr = std::unique_ptr<wpabuf, void (*)(wpabuf *)>;
+
+// Creates a unique_ptr for wpabuf ptr with a custom deleter.
+inline wpabuf_unique_ptr createWpaBufUniquePtr(struct wpabuf *raw_ptr)
+{
+	return {raw_ptr, freeWpaBuf};
+}
+
+// Creates a wpabuf ptr with a custom deleter copying the data from the provided
+// vector.
+inline wpabuf_unique_ptr convertVectorToWpaBuf(const std::vector<uint8_t> &data)
+{
+	return createWpaBufUniquePtr(
+	    wpabuf_alloc_copy(data.data(), data.size()));
+}
+
+// Copies the provided wpabuf contents to a std::vector.
+inline std::vector<uint8_t> convertWpaBufToVector(const struct wpabuf *buf)
+{
+	if (buf) {
+		return std::vector<uint8_t>(
+		    wpabuf_head_u8(buf), wpabuf_head_u8(buf) + wpabuf_len(buf));
+	} else {
+		return std::vector<uint8_t>();
+	}
+}
+
+// Returns a string holding the wps pin.
+inline std::string convertWpsPinToString(int pin)
+{
+	char pin_str[kWpsPinNumDigits + 1];
+	snprintf(pin_str, sizeof(pin_str), "%08d", pin);
+	return pin_str;
+}
+
+}  // namespace misc_utils
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace supplicant
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+#endif  // MISC_UTILS_H_