Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / BCL / System / ApplicationActivator.cs / 5 / ApplicationActivator.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // ApplicationActivator class is the base class that handles activation of Add-ins. // There is a single designated instance of the ApplicationActivator in each Appdomain // to which all Add-in activation calls are routed to. The AppdomainManager for the // current Appdomain could provide its own custom ApplicationActivator, or an instance // of the default ApplicationActivator is created. // namespace System.Runtime.Hosting { using System.Deployment.Internal.Isolation; using System.Deployment.Internal.Isolation.Manifest; using System.IO; using System.Reflection; using System.Runtime.Remoting; using System.Security; using System.Security.Permissions; using System.Security.Policy; using System.Threading; internal sealed class ManifestRunner { private AppDomain m_domain; private string m_path; private string[] m_args; private ApartmentState m_apt; private Assembly m_assembly; private int m_runResult; // // We need to assert unmanaged code security permission to be // able to call ActivationContext.ApplicationDirectory. // [SecurityPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] internal ManifestRunner (AppDomain domain, ActivationContext activationContext) { m_domain = domain; string file, parameters; CmsUtils.GetEntryPoint(activationContext, out file, out parameters); if (String.IsNullOrEmpty(file)) throw new ArgumentException(Environment.GetResourceString("Argument_NoMain")); if (String.IsNullOrEmpty(parameters)) m_args = new string[0]; else m_args = parameters.Split(' '); m_apt = ApartmentState.Unknown; // get the 'merged' application directory path. string directoryName = activationContext.ApplicationDirectory; m_path = Path.Combine(directoryName, file); } internal Assembly EntryAssembly { [FileIOPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] [SecurityPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] get { if (m_assembly == null) m_assembly = Assembly.LoadFrom(m_path); return m_assembly; } } private void NewThreadRunner () { m_runResult = Run(false); } private int RunInNewThread () { Thread th = new Thread(new ThreadStart(NewThreadRunner)); th.SetApartmentState(m_apt); th.Start(); th.Join(); return m_runResult; } private int Run (bool checkAptModel) { if (checkAptModel && m_apt != ApartmentState.Unknown) { if (Thread.CurrentThread.GetApartmentState() != ApartmentState.Unknown && Thread.CurrentThread.GetApartmentState() != m_apt) return RunInNewThread(); Thread.CurrentThread.SetApartmentState(m_apt); } return m_domain.nExecuteAssembly(EntryAssembly, m_args); } internal int ExecuteAsAssembly () { Object[] attrs = EntryAssembly.EntryPoint.GetCustomAttributes(typeof(STAThreadAttribute), false); if (attrs.Length > 0) m_apt = ApartmentState.STA; attrs = EntryAssembly.EntryPoint.GetCustomAttributes(typeof(MTAThreadAttribute), false); if (attrs.Length > 0) if (m_apt == ApartmentState.Unknown) m_apt = ApartmentState.MTA; else m_apt = ApartmentState.Unknown; return Run(true); } } [System.Runtime.InteropServices.ComVisible(true)] public class ApplicationActivator { public ApplicationActivator () {} public virtual ObjectHandle CreateInstance (ActivationContext activationContext) { return CreateInstance(activationContext, null); } public virtual ObjectHandle CreateInstance (ActivationContext activationContext, string[] activationCustomData) { if (activationContext == null) throw new ArgumentNullException("activationContext"); if (CmsUtils.CompareIdentities(AppDomain.CurrentDomain.ActivationContext, activationContext)) { ManifestRunner runner = new ManifestRunner(AppDomain.CurrentDomain, activationContext); return new ObjectHandle(runner.ExecuteAsAssembly()); } AppDomainSetup adSetup = new AppDomainSetup(new ActivationArguments(activationContext, activationCustomData)); // we inherit the evidence from the calling domain return CreateInstanceHelper(adSetup); } protected static ObjectHandle CreateInstanceHelper (AppDomainSetup adSetup) { if (adSetup.ActivationArguments == null) throw new ArgumentException(Environment.GetResourceString("Arg_MissingActivationArguments")); adSetup.ActivationArguments.ActivateInstance = true; // inherit the caller's domain evidence for the activation. Evidence activatorEvidence = AppDomain.CurrentDomain.Evidence; // add the application identity as an evidence. Evidence appEvidence = CmsUtils.MergeApplicationEvidence(null, adSetup.ActivationArguments.ApplicationIdentity, adSetup.ActivationArguments.ActivationContext, adSetup.ActivationArguments.ActivationData); HostSecurityManager securityManager = AppDomain.CurrentDomain.HostSecurityManager; ApplicationTrust appTrust = securityManager.DetermineApplicationTrust(appEvidence, activatorEvidence, new TrustManagerContext()); if (appTrust == null || !appTrust.IsApplicationTrustedToRun) throw new PolicyException(Environment.GetResourceString("Policy_NoExecutionPermission"), System.__HResults.CORSEC_E_NO_EXEC_PERM, null); ObjRef or = AppDomain.nCreateInstance(adSetup.ActivationArguments.ApplicationIdentity.FullName, adSetup, appEvidence, appEvidence == null ? AppDomain.CurrentDomain.InternalEvidence : null, AppDomain.CurrentDomain.GetSecurityDescriptor()); if (or == null) return null; return RemotingServices.Unmarshal(or) as ObjectHandle; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== // // ApplicationActivator class is the base class that handles activation of Add-ins. // There is a single designated instance of the ApplicationActivator in each Appdomain // to which all Add-in activation calls are routed to. The AppdomainManager for the // current Appdomain could provide its own custom ApplicationActivator, or an instance // of the default ApplicationActivator is created. // namespace System.Runtime.Hosting { using System.Deployment.Internal.Isolation; using System.Deployment.Internal.Isolation.Manifest; using System.IO; using System.Reflection; using System.Runtime.Remoting; using System.Security; using System.Security.Permissions; using System.Security.Policy; using System.Threading; internal sealed class ManifestRunner { private AppDomain m_domain; private string m_path; private string[] m_args; private ApartmentState m_apt; private Assembly m_assembly; private int m_runResult; // // We need to assert unmanaged code security permission to be // able to call ActivationContext.ApplicationDirectory. // [SecurityPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] internal ManifestRunner (AppDomain domain, ActivationContext activationContext) { m_domain = domain; string file, parameters; CmsUtils.GetEntryPoint(activationContext, out file, out parameters); if (String.IsNullOrEmpty(file)) throw new ArgumentException(Environment.GetResourceString("Argument_NoMain")); if (String.IsNullOrEmpty(parameters)) m_args = new string[0]; else m_args = parameters.Split(' '); m_apt = ApartmentState.Unknown; // get the 'merged' application directory path. string directoryName = activationContext.ApplicationDirectory; m_path = Path.Combine(directoryName, file); } internal Assembly EntryAssembly { [FileIOPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] [SecurityPermissionAttribute(SecurityAction.Assert, Unrestricted=true)] get { if (m_assembly == null) m_assembly = Assembly.LoadFrom(m_path); return m_assembly; } } private void NewThreadRunner () { m_runResult = Run(false); } private int RunInNewThread () { Thread th = new Thread(new ThreadStart(NewThreadRunner)); th.SetApartmentState(m_apt); th.Start(); th.Join(); return m_runResult; } private int Run (bool checkAptModel) { if (checkAptModel && m_apt != ApartmentState.Unknown) { if (Thread.CurrentThread.GetApartmentState() != ApartmentState.Unknown && Thread.CurrentThread.GetApartmentState() != m_apt) return RunInNewThread(); Thread.CurrentThread.SetApartmentState(m_apt); } return m_domain.nExecuteAssembly(EntryAssembly, m_args); } internal int ExecuteAsAssembly () { Object[] attrs = EntryAssembly.EntryPoint.GetCustomAttributes(typeof(STAThreadAttribute), false); if (attrs.Length > 0) m_apt = ApartmentState.STA; attrs = EntryAssembly.EntryPoint.GetCustomAttributes(typeof(MTAThreadAttribute), false); if (attrs.Length > 0) if (m_apt == ApartmentState.Unknown) m_apt = ApartmentState.MTA; else m_apt = ApartmentState.Unknown; return Run(true); } } [System.Runtime.InteropServices.ComVisible(true)] public class ApplicationActivator { public ApplicationActivator () {} public virtual ObjectHandle CreateInstance (ActivationContext activationContext) { return CreateInstance(activationContext, null); } public virtual ObjectHandle CreateInstance (ActivationContext activationContext, string[] activationCustomData) { if (activationContext == null) throw new ArgumentNullException("activationContext"); if (CmsUtils.CompareIdentities(AppDomain.CurrentDomain.ActivationContext, activationContext)) { ManifestRunner runner = new ManifestRunner(AppDomain.CurrentDomain, activationContext); return new ObjectHandle(runner.ExecuteAsAssembly()); } AppDomainSetup adSetup = new AppDomainSetup(new ActivationArguments(activationContext, activationCustomData)); // we inherit the evidence from the calling domain return CreateInstanceHelper(adSetup); } protected static ObjectHandle CreateInstanceHelper (AppDomainSetup adSetup) { if (adSetup.ActivationArguments == null) throw new ArgumentException(Environment.GetResourceString("Arg_MissingActivationArguments")); adSetup.ActivationArguments.ActivateInstance = true; // inherit the caller's domain evidence for the activation. Evidence activatorEvidence = AppDomain.CurrentDomain.Evidence; // add the application identity as an evidence. Evidence appEvidence = CmsUtils.MergeApplicationEvidence(null, adSetup.ActivationArguments.ApplicationIdentity, adSetup.ActivationArguments.ActivationContext, adSetup.ActivationArguments.ActivationData); HostSecurityManager securityManager = AppDomain.CurrentDomain.HostSecurityManager; ApplicationTrust appTrust = securityManager.DetermineApplicationTrust(appEvidence, activatorEvidence, new TrustManagerContext()); if (appTrust == null || !appTrust.IsApplicationTrustedToRun) throw new PolicyException(Environment.GetResourceString("Policy_NoExecutionPermission"), System.__HResults.CORSEC_E_NO_EXEC_PERM, null); ObjRef or = AppDomain.nCreateInstance(adSetup.ActivationArguments.ApplicationIdentity.FullName, adSetup, appEvidence, appEvidence == null ? AppDomain.CurrentDomain.InternalEvidence : null, AppDomain.CurrentDomain.GetSecurityDescriptor()); if (or == null) return null; return RemotingServices.Unmarshal(or) as ObjectHandle; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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