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  1. Jenkins
  2. JENKINS-62033

Swarm client -disableSslVerification option does not disable SSL hostname verification

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    Details

    • Type: Bug
    • Status: Resolved (View Workflow)
    • Priority: Minor
    • Resolution: Fixed
    • Component/s: swarm-plugin
    • Labels:
      None
    • Environment:
      Jenkins 2.222.1
      swarm-client 3.4 up through 3.19
    • Similar Issues:
    • Released As:
      3.20

      Description

      When running the following command line:

      /usr/bin/java -jar /tmp/swarm-client.3.19.jar \

         -disableSslVerification \

         -deleteExistingClients \

              -disableClientsUniqueId \

              -showHostName \

              -noRetryAfterConnected \

              -executors=7 \

              -labels 'blftest' \

              -master https://myjenkins.example.com \

             -username jenkins \

              -passwordEnvVariable ADMIN_PSW

       

      I received the following output

      Apr 23, 2020 6:58:15 PM hudson.plugins.swarm.Client logArguments
      INFO: Client invoked with: -deleteExistingClients true -disableClientsUniqueId true -disableSslVerification true -executors 7 -labels [blftest] -master https://myjenkins.example.com -noRetryAfterConnected true -passwordEnvVariable ADMIN_PSW -showHostName true -username *****
      Apr 23, 2020 6:58:15 PM hudson.plugins.swarm.Client run
      INFO: Discovering Jenkins master
      Apr 23, 2020 6:58:15 PM hudson.plugins.swarm.Client run
      SEVERE: IOException occurred
      javax.net.ssl.SSLPeerUnverifiedException: Certificate for <myjenkins.example.com> doesn't match any of the subject alternative names: [ingress.local]
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.verifyHostname(SSLConnectionSocketFactory.java:507)
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:437)
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:384)
      at shaded.org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
      at shaded.org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
      at shaded.org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
      at shaded.org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
      at shaded.org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
      at shaded.org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
      at shaded.org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
      at shaded.org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
      at shaded.org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
      at hudson.plugins.swarm.SwarmClient.discoverFromMasterUrl(SwarmClient.java:142)
      at hudson.plugins.swarm.Client.run(Client.java:150)
      at hudson.plugins.swarm.Client.main(Client.java:128)

      javax.net.ssl.SSLPeerUnverifiedException: Certificate for <myjenkins.example.com> doesn't match any of the subject alternative names: [ingress.local]
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.verifyHostname(SSLConnectionSocketFactory.java:507)
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket(SSLConnectionSocketFactory.java:437)
      at shaded.org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:384)
      at shaded.org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142)
      at shaded.org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
      at shaded.org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
      at shaded.org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
      at shaded.org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
      at shaded.org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
      at shaded.org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
      at shaded.org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
      at shaded.org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
      at hudson.plugins.swarm.SwarmClient.discoverFromMasterUrl(SwarmClient.java:142)
      at hudson.plugins.swarm.Client.run(Client.java:150)
      at hudson.plugins.swarm.Client.main(Client.java:128)
      Apr 23, 2020 6:58:15 PM hudson.plugins.swarm.Client run
      INFO: Retrying in 10 seconds

       

      Not sure why the Subject Alternative name is even being checked when I specified "-disableSslVerification".  I tried 'curl -k' and it works as expected.

       

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              Assignee:
              basil Basil Crow
              Reporter:
              blf Brian Farrell
              Votes:
              1 Vote for this issue
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              4 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: