[WIP] Added wireguard, prepare to test and debug

client/WireGuard-Bridging-Header.h

@@ -0,0 +1,29 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "wireguard-go-version.h"
+#include "3rd/wireguard-apple/Sources/WireGuardKitC/WireGuardKitC.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#define WG_KEY_LEN (32)
+#define WG_KEY_LEN_BASE64 (45)
+#define WG_KEY_LEN_HEX (65)
+
+void key_to_base64(char base64[WG_KEY_LEN_BASE64],
+                   const uint8_t key[WG_KEY_LEN]);
+bool key_from_base64(uint8_t key[WG_KEY_LEN], const char* base64);
+
+void key_to_hex(char hex[WG_KEY_LEN_HEX], const uint8_t key[WG_KEY_LEN]);
+bool key_from_hex(uint8_t key[WG_KEY_LEN], const char* hex);
+
+bool key_eq(const uint8_t key1[WG_KEY_LEN], const uint8_t key2[WG_KEY_LEN]);
+
+void write_msg_to_log(const char* tag, const char* msg);
+
+#import "TargetConditionals.h"
+#if TARGET_OS_OSX
+#  include <libproc.h>
+#endif