[issue41239] SSL Certificate verify failed in Python3.6/3.7

[Wu Wenyan]

Wu Wenyan <wuwy.fnst at cn.fujitsu.com> added the comment:

You are right. I used openssl.cnf when created a csr, and ignore it when created cer.
Now the code works fine with python3.7, but still cannot work in python3.6.
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.6/site-packages/pywbem/cim_operations.py", line 1919, in EnumerateInstances
    **extra)
  File "/usr/local/lib/python3.6/site-packages/pywbem/cim_operations.py", line 1232, in _imethodcall
    conn_id=self.conn_id)
  File "/usr/local/lib/python3.6/site-packages/pywbem/cim_http.py", line 776, in wbem_request
    client.endheaders()
  File "/usr/lib64/python3.6/http/client.py", line 1234, in endheaders
    self._send_output(message_body, encode_chunked=encode_chunked)
  File "/usr/lib64/python3.6/http/client.py", line 1026, in _send_output
    self.send(msg)
  File "/usr/local/lib/python3.6/site-packages/pywbem/cim_http.py", line 461, in send
    self.connect()  # pylint: disable=no-member
  File "/usr/local/lib/python3.6/site-packages/pywbem/cim_http.py", line 619, in connect
    return self.sock.connect((self.host, self.port))
  File "/usr/lib64/python3.6/ssl.py", line 1064, in connect
    self._real_connect(addr, False)
  File "/usr/lib64/python3.6/ssl.py", line 1055, in _real_connect
    self.do_handshake()
  File "/usr/lib64/python3.6/ssl.py", line 1032, in do_handshake
    self._sslobj.do_handshake()
  File "/usr/lib64/python3.6/ssl.py", line 648, in do_handshake
    raise ValueError("check_hostname needs server_hostname "
ValueError: check_hostname needs server_hostname argument

Could you please check the attached file for me again?

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Added file: https://bugs.python.org/file49307/server_cer_1.txt

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<https://bugs.python.org/issue41239>
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