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PONeed How To help moving system.serviceModel config section into my code
 

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    <p>I have developed a Client/Server application for my current employer and one of the requirements is that the client part be distributed as a DLL. Since DLLs don't 'do' dllName.dll.config files, I need to move the config into the code. I have done this to the best of my ability, but I'm now getting this exception; </p> <blockquote> <p>The X.509 certificate CN=ComputerName chain building failed.<br> The certificate that was used has a trust chain that cannot be verified. Replace the certificate or change the certificateValidationMode. An internal certificate chaining error has occurred.</p> </blockquote> <p>I have googled, and otherwise searched all over for a resolution to this, but so far I can't find anything with a clear enough explaination of the various close-but-not-really-it solutions I've seen.</p> <p>Anyway, there is a certificate in My LocalStore, but it's really only used by the server (currently testing both client and server on the same XP Pro box), at least, as far as I understand things. (Still pretty new to WCF) (Note how the client config file below does not get or otherwise point out the aforementioned cert to the client whatsoever.</p> <p>The client's app.config looks like the following, and works just great via our test EXE, which contains the section of this config file.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;configuration&gt; &lt;system.serviceModel&gt; &lt;bindings&gt; &lt;netTcpBinding&gt; &lt;binding name="MyTcpBinding_IFileXferService" receiveTimeout="02:00:00" sendTimeout="02:00:00" transferMode="Streamed" maxBufferSize="65536" maxReceivedMessageSize="2147483647"&gt; &lt;readerQuotas maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="65536" /&gt; &lt;security mode="Transport"&gt; &lt;transport clientCredentialType="None" /&gt; &lt;/security&gt; &lt;/binding&gt; &lt;/netTcpBinding&gt; &lt;/bindings&gt; &lt;behaviors&gt; &lt;endpointBehaviors&gt; &lt;behavior name="ClientConfigBehavior"&gt; &lt;dataContractSerializer maxItemsInObjectGraph="6553600" /&gt; &lt;clientCredentials&gt; &lt;serviceCertificate&gt; &lt;authentication certificateValidationMode="None" /&gt; &lt;/serviceCertificate&gt; &lt;/clientCredentials&gt; &lt;/behavior&gt; &lt;/endpointBehaviors&gt; &lt;/behaviors&gt; &lt;client&gt; &lt;endpoint name="ClientConfig" binding="netTcpBinding" bindingConfiguration="MyTcpBinding_IFileXferService" behaviorConfiguration="ClientConfigBehavior" contract="ServiceRefs.IFileXferService" /&gt; &lt;/client&gt; &lt;/system.serviceModel&gt; &lt;/configuration&gt; </code></pre> <p>But now that I've moved the configuration information into the code (so that the DLL can be distributed without a .config file), I am, again, getting the exception mentioned above. (By the way, if we figure out that a given setting needs to be changable, I can add it to our own xml config file.)</p> <p>The code meant to replace the above config looks like this:</p> <pre><code> ... netTcpBinding = new NetTcpBinding(); endpointAddr = new EndpointAddress(HostURI); updateMaxItemsBehavior(); // method below this snippet TimeSpan tsTwoHours = new TimeSpan(2,0,0); netTcpBinding.ReceiveTimeout = tsTwoHours; netTcpBinding.SendTimeout = tsTwoHours; netTcpBinding.TransferMode = TransferMode.Streamed; netTcpBinding.MaxBufferSize = 65536; netTcpBinding.MaxReceivedMessageSize = 2147483647; netTcpBinding.ReaderQuotas.MaxStringContentLength = 2147483647; netTcpBinding.ReaderQuotas.MaxArrayLength = 2147483647; netTcpBinding.ReaderQuotas.MaxBytesPerRead = 65536; // double the 64k default netTcpBinding.MaxBufferPoolSize = 131072; netTcpBinding.Security.Mode = SecurityMode.Transport; netTcpBinding.Security.Transport.ClientCredentialType = TcpClientCredentialType.None; // now to instantiate the service proxy client svcClient = new FileXferServiceClient(netTcpBinding, endpointAddr); </code></pre> <p>I've tried this with various combinations of these next bits, but can't get around the dang exception.</p> <pre><code> // Set the certificate for the client. X509Certificate2 cert = new X509Certificate2(); svcClient.ClientCredentials.ClientCertificate.Certificate = cert; //svcClient.ClientCredentials.ClientCertificate.SetCertificate( // StoreLocation.LocalMachine, // StoreName.My, // X509FindType.FindByThumbprint, // "ThumbprintThumbprintThumbprintThumbprint"); // here's this // private void updateMaxItemsBehavior() { svcEndpoint = new ServiceEndpoint( new ContractDescription("IFileXferService")); foreach (OperationDescription operation in svcEndpoint.Contract.Operations) { operation.Behaviors .Find&lt;DataContractSerializerOperationBehavior&gt;() .MaxItemsInObjectGraph = 6553600; } } </code></pre> <p>In summary, our test Winforms app (and thus the client-side of our WCF app) works fine with the config settings in the wfappname.exe.config file, but now that I've tried to move this all into code, it's apparently demanding a certificate. I guess what I'm really hoping for is 'how do I duplicate the above app.config in code so that the app.config is not needed by my WCF Client.'</p> <p>Can anyone help me with this? (I'll be yer best friend!) ; )</p> <p>Thanks, Scott</p>
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