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  1. C Driver
  2. CDRIVER-5712

Driver uses wrong authentication database for Atlas

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    • Type: Icon: Bug Bug
    • Resolution: Works as Designed
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: 1.27.5
    • Component/s: libmongoc
    • None
    • C Drivers
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      I am using the Mongo-C Driver in syslog-ng and have a connection string as this:

      mongodb+srv://dev.******.mongodb.net/raw-1?readPreference=primaryPreferred&tls=true&authSource=$external&authMechanism=MONGODB-X509&tlsCertificateKeyFile=/opt/mediation/certs/client.syslog-ng.pem&tlsCAFile=/etc/ssl/certs/ca-bundle.crt

      As you see, connection is authenticated with x.509 certificate rather than username+password.

      It throws an error at start:

      mongoc: Cannot override URI option "authSource" from TXT record "authSource=admin"

      According documentation, setting authSource=$external is needed when authentication is done by x.509 certificate, thus I cannot skip it.

       

      When I connect to an on-premise MongoDB, i.e.

      mongodb://tdube04mipmed1:27017,tdube04mipmed0:27017/raw-01?readPreference=primaryPreferred&tls=true&authSource=$external&authMechanism=MONGODB-X509&tlsCertificateKeyFile=/opt/mediation/certs/client.syslog-ng.pem&tlsCAFile=/etc/ssl/certs/ca-bundle.crt

      then it is working fine.

       

      I am using version mongo-c-driver.x86_64 1.27.5-1.el8 on Linux RHEL 8.1

      See few more details at mongodb driver uses wrong authentication database at MongoDB Atlas

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            Assignee:
            kevin.albertson@mongodb.com Kevin Albertson
            Reporter:
            wernfried.domscheit@sunrise.net Wernfried Domscheit
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              Created:
              Updated:
              Resolved: