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host name doesn't match when using LDAP and ca_cert #295

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perfectspr opened this issue Mar 22, 2018 · 2 comments · May be fixed by #296
Open

host name doesn't match when using LDAP and ca_cert #295

perfectspr opened this issue Mar 22, 2018 · 2 comments · May be fixed by #296

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@perfectspr
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conn = connect(host=‘example.com', port=21050, database=‘default’, auth_mechanism='LDAP', user=‘xxxxx’, password=‘xxxxx’, use_ssl=True, ca_cert='truststore.pem')

Log:

Traceback (most recent call last):                                                        
  File "impyla_test.py", line 2, in <module>                                              
    conn = connect(host=‘example.com', port=21050, database=‘default’, auth_mechanism='LDAP', user=‘xxxxx’, password=‘xxxxx’, use_ssl=True, ca_cert='truststore.pem')          
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/site-packages/impala/dbapi.py", line 147, in connect                                                                             
    auth_mechanism=auth_mechanism)                                                        
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/site-packages/impala/hiveserver2.py", line 758, in connect                                                                       
    transport.open()                         
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/site-packages/thrift_sasl/__init__.py", line 61, in open                                                                         
    self._trans.open()                                                                    : " + CONNECTION_URL);                                                                     
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/site-packages/thriftpy/transport/socket.py", line 96, in open                                                                    
    self.sock.connect(addr)                                                               
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/ssl.py", line 1027, in connect        
    self._real_connect(addr, False)           
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/ssl.py", line 1018, in _real_connect   
    self.do_handshake()                      
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/ssl.py", line 996, in do_handshake    
    self._sslobj.do_handshake()                                                           
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/ssl.py", line 646, in do_handshake     
    match_hostname(self.getpeercert(), self.server_hostname)                               
  File "/usr/local/anaconda3/envs/acs/lib/python3.5/ssl.py", line 309, in match_hostname  
    % (hostname, dnsnames[0]))                                                             
ssl.CertificateError: hostname ‘example.com' doesn't match ‘example1.com'
@perfectspr
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perfectspr commented Mar 22, 2018 •
edited
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Should provide an option to disable hostname verification for SSL connection

@perfectspr perfectspr linked a pull request Mar 22, 2018 that will close this issue
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@prasanna-sk
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Hi - I am facing the same issue - Hostname we connected to <> doesn't match certificate provided commonName.

We use the same certificate for impala-shell and it works fine, tableau connection (with Allow for common Name mismatch - checked) and it works fine too.

Is there a patch/fix to this?

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add 'validate' option to disable or enable hostname verification
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@perfectspr @prasanna-sk