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The axTLS implementation of the tls module only has a basic set of features. In particular it doesn't support the CERT_REQUIRED constant nor DTLS, nor can it load the `ec_key.der` key when acting as a server. So skip tests that require these features, which ends up being all the ssl/tls tests. Signed-off-by: Damien George <damien@micropython.org>
57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
# Test creating an SSL connection with certificates as bytes objects.
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try:
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import os
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import socket
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import ssl
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except ImportError:
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print("SKIP")
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raise SystemExit
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if not hasattr(ssl, "CERT_REQUIRED"):
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print("SKIP")
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raise SystemExit
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PORT = 8000
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# These are test certificates. See tests/README.md for details.
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certfile = "ec_cert.der"
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keyfile = "ec_key.der"
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with open(certfile, "rb") as cf:
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cert = cadata = cf.read()
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with open(keyfile, "rb") as kf:
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key = kf.read()
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# Server
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def instance0():
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multitest.globals(IP=multitest.get_network_ip())
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s = socket.socket()
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(socket.getaddrinfo("0.0.0.0", PORT)[0][-1])
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s.listen(1)
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multitest.next()
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s2, _ = s.accept()
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server_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
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server_ctx.load_cert_chain(cert, key)
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s2 = server_ctx.wrap_socket(s2, server_side=True)
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print(s2.read(16))
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s2.write(b"server to client")
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s2.close()
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s.close()
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# Client
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def instance1():
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multitest.next()
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s = socket.socket()
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s.connect(socket.getaddrinfo(IP, PORT)[0][-1])
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client_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
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client_ctx.verify_mode = ssl.CERT_REQUIRED
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client_ctx.load_verify_locations(cadata=cadata)
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s = client_ctx.wrap_socket(s, server_hostname="micropython.local")
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s.write(b"client to server")
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print(s.read(16))
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s.close()
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