Use python ssl

.builder/actions/main.py

@@ -0,0 +1,12 @@
+import socket
+import ssl
+
+context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+context.load_cert_chain('tls13.pem.crt', 'tls13.key')
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) as sock:
+    sock.bind(('127.0.0.1', 59443))
+    sock.listen(5)
+    with context.wrap_socket(sock, server_side=True) as ssock:
+        conn, addr = ssock.accept()
+        print("accepted new conn: {}".format(addr))

.builder/actions/tls_server_setup.py

@@ -55,14 +55,18 @@ def run(self, env):
         for c in iter(lambda: p1.stderr.read(1), b""):
             sys.stdout.buffer.write(c)
 
-        p = subprocess.Popen(["openssl.exe", "s_server",
-                               "-accept", "localhost:59443",
-                               "-key", "tls13.key",
-                               "-cert", "tls13.pem.crt",
-                               "-chainCAfile", "tls13_root_ca.pem.crt",
-                               "-alpn", "x-amzn-mqtt-ca",
-                               "-debug", "-state",
-                               ], cwd=dir, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        # p = subprocess.Popen(["openssl.exe", "s_server",
+        #                        "-accept", "localhost:59443",
+        #                        "-key", "tls13.key",
+        #                        "-cert", "tls13.pem.crt",
+        #                        "-chainCAfile", "tls13_root_ca.pem.crt",
+        #                        "-alpn", "x-amzn-mqtt-ca",
+        #                        "-debug", "-state",
+        #                        ], cwd=dir, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+        python_path = sys.executable
+        p = subprocess.Popen([python_path, "main.py",
+                              ], cwd=dir, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         time.sleep(1)
         p.poll()
         print("Return code is {}".format(p.returncode))