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# test ssl verify_callback
import io
import socket
import tls
def verify_callback(cert, depth):
print("verify_callback:", type(cert), len(cert) > 100, depth)
return 0
def verify_callback_fail(cert, depth):
print("verify_callback_fail:", type(cert), len(cert) > 100, depth)
return 1
def test(peer_addr):
context = tls.SSLContext(tls.PROTOCOL_TLS_CLIENT)
context.verify_mode = tls.CERT_OPTIONAL
context.verify_callback = verify_callback
s = socket.socket()
s.connect(peer_addr)
s = context.wrap_socket(s)
s.close()
context.verify_callback = verify_callback_fail
s = socket.socket()
s.connect(peer_addr)
try:
s = context.wrap_socket(s)
except OSError as e:
print(e.args[1])
if __name__ == "__main__":
test(socket.getaddrinfo("micropython.org", 443)[0][-1])
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