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POReading configuration section from a restricted appdomain
 

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    <p>I have some configuration section defined in a signed assembly A, that are used in an app domain that loads its own configuration file, created by the assembly A. </p> <p>The assembly loaded B is not a full trust application. </p> <p>All assemblies are written using .Net 4. </p> <p>The assembly security is managed using PermissionSet.</p> <p>The problem is that the domain created is not able to access the section, resulting in a SecurityException "Request Failed." The action demanded is : <code>&lt;PermissionSet class="System.Security.PermissionSet" version="1" Unrestricted="true"/&gt;</code></p> <p>I already tried to give lots of permissions, without any effects : </p> <pre><code> permSet.AddPermission(new System.Security.Permissions.FileIOPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.ReflectionPermission(ReflectionPermissionFlag.MemberAccess)); permSet.AddPermission(new System.Security.Permissions.SecurityPermission(SecurityPermissionFlag.ControlEvidence)); permSet.AddPermission(new System.Security.Permissions.SecurityPermission(SecurityPermissionFlag.ControlPolicy)); permSet.AddPermission(new System.Security.Permissions.SecurityPermission(SecurityPermissionFlag.SerializationFormatter)); System.Configuration.Configuration cnf = System.Configuration.ConfigurationManager.OpenMachineConfiguration(); permSet.AddPermission(new System.Security.Permissions.FileIOPermission(FileIOPermissionAccess.Read, cnf.FilePath)); permSet.AddPermission(new System.Security.Permissions.GacIdentityPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.EnvironmentPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.PublisherIdentityPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.RegistryPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.SecurityPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.StrongNameIdentityPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.TypeDescriptorPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.UrlIdentityPermission(PermissionState.Unrestricted)); permSet.AddPermission(new System.Security.Permissions.ZoneIdentityPermission(PermissionState.Unrestricted)); </code></pre> <p>I try to access the section like this : </p> <pre><code>(MySection)ConfigurationManager.GetSection("mySectionGroup/mySection") </code></pre> <p>And like this : </p> <pre><code>var configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None); var config = (DictionaryConfigurationSection)configuration.GetSection("agent/dictionaries"); </code></pre> <p>The section is defined with the requirePermission set to false.</p> <p>Thanks</p>
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