Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / AppDomain.cs / 7 / AppDomain.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*==============================================================================
**
** Class: AppDomain
**
**
** Purpose: Domains represent an application within the runtime. Objects can
** not be shared between domains and each domain can be configured
** independently.
**
**
=============================================================================*/
namespace System {
using System;
using System.Deployment.Internal.Isolation;
using System.Deployment.Internal.Isolation.Manifest;
using System.Reflection;
using System.Runtime;
using System.Runtime.Hosting;
using System.Runtime.CompilerServices;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Contexts;
using System.Security;
using System.Security.Permissions;
using System.Security.Principal;
using System.Security.Policy;
using System.Security.Util;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.Runtime.InteropServices;
using System.Runtime.Remoting;
using Context = System.Runtime.Remoting.Contexts.Context;
using System.Reflection.Emit;
using Message = System.Runtime.Remoting.Messaging.Message;
using CultureInfo = System.Globalization.CultureInfo;
using System.IO;
using BinaryFormatter = System.Runtime.Serialization.Formatters.Binary.BinaryFormatter;
using AssemblyHashAlgorithm = System.Configuration.Assemblies.AssemblyHashAlgorithm;
using System.Text;
using Microsoft.Win32;
using System.Runtime.ConstrainedExecution;
using System.Runtime.Versioning;
[ComVisible(true)]
public class ResolveEventArgs : EventArgs
{
private String _Name;
public String Name {
get {
return _Name;
}
}
public ResolveEventArgs(String name)
{
_Name = name;
}
}
[ComVisible(true)]
public class AssemblyLoadEventArgs : EventArgs
{
private Assembly _LoadedAssembly;
public Assembly LoadedAssembly {
get {
return _LoadedAssembly;
}
}
public AssemblyLoadEventArgs(Assembly loadedAssembly)
{
_LoadedAssembly = loadedAssembly;
}
}
[Serializable()]
[ComVisible(true)]
public delegate Assembly ResolveEventHandler(Object sender, ResolveEventArgs args);
[Serializable()]
[ComVisible(true)]
public delegate void AssemblyLoadEventHandler(Object sender, AssemblyLoadEventArgs args);
[Serializable()]
[ComVisible(true)]
public delegate void AppDomainInitializer(string[] args);
internal class AppDomainInitializerInfo
{
internal class ItemInfo
{
public string TargetTypeAssembly;
public string TargetTypeName;
public string MethodName;
}
internal ItemInfo[] Info;
internal AppDomainInitializerInfo(AppDomainInitializer init)
{
Info=null;
if (init==null)
return;
ArrayList itemInfo=new ArrayList();
ArrayList nestedDelegates=new ArrayList();
nestedDelegates.Add(init);
int idx=0;
while (nestedDelegates.Count>idx)
{
AppDomainInitializer curr=(AppDomainInitializer)nestedDelegates[idx++];
Delegate[] list= curr.GetInvocationList();
for (int i=0;i 0)
permission = new FileIOPermission(FileIOPermissionAccess.PathDiscovery, dataDirectory);
this.SetData("DataDirectory", dataDirectory, permission);
_activationContext = activationContext;
}
private void SetupDomainSecurityForApplication(ApplicationIdentity appIdentity, ApplicationTrust appTrust) {
// Set the Application trust on the managed side.
_applicationIdentity = appIdentity;
_applicationTrust = appTrust;
// Set the homogeneous bit in the VM's ApplicationSecurityDescriptor.
nSetSecurityHomogeneousFlag();
}
#endif //!FEATURE_PAL
// This method is called from CorHost2::ExecuteApplication to activate a ClickOnce application in the default AppDomain.
private int ActivateApplication () {
#if !FEATURE_PAL
ObjectHandle oh = Activator.CreateInstance(AppDomain.CurrentDomain.ActivationContext);
return (int) oh.Unwrap();
#else // !FEATURE_PAL
return 0;
#endif //!FEATURE_PAL
}
public AppDomainManager DomainManager {
[SecurityPermission(SecurityAction.LinkDemand, ControlDomainPolicy=true)]
get {
return _domainManager;
}
}
internal HostSecurityManager HostSecurityManager {
get {
HostSecurityManager securityManager = null;
AppDomainManager domainManager = AppDomain.CurrentDomain.DomainManager;
if (domainManager != null)
securityManager = domainManager.HostSecurityManager;
if (securityManager == null)
securityManager = new HostSecurityManager();
return securityManager;
}
}
private Assembly ResolveAssemblyForIntrospection(Object sender, ResolveEventArgs args)
{
return Assembly.ReflectionOnlyLoad(ApplyPolicy(args.Name));
}
private void EnableResolveAssembliesForIntrospection()
{
CurrentDomain.ReflectionOnlyAssemblyResolve += new ResolveEventHandler(ResolveAssemblyForIntrospection);
}
/**********************************************
* If an AssemblyName has a public key specified, the assembly is assumed
* to have a strong name and a hash will be computed when the assembly
* is saved.
**********************************************/
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, null,
null, null, null, null, ref stackMark, null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
IEnumerable assemblyAttributes)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
AssemblyBuilder assemblyBuilder = InternalDefineDynamicAssembly(name,
access,
null, null, null, null, null,
ref stackMark,
assemblyAttributes);
return assemblyBuilder;
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, dir,
null, null, null, null,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
Evidence evidence)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, null,
evidence, null, null, null,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, null, null,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
Evidence evidence)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, dir, evidence,
null, null, null, ref stackMark, null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, dir, null,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
Evidence evidence,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, null,
evidence,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
Evidence evidence,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return InternalDefineDynamicAssembly(name, access, dir,
evidence,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
null);
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
Evidence evidence,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions,
bool isSynchronized)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
AssemblyBuilder assemblyBuilder = InternalDefineDynamicAssembly(name,
access,
dir,
evidence,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
null);
return assemblyBuilder;
}
public AssemblyBuilder DefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
Evidence evidence,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions,
bool isSynchronized,
IEnumerable assemblyAttributes)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
AssemblyBuilder assemblyBuilder = InternalDefineDynamicAssembly(name,
access,
dir,
evidence,
requiredPermissions,
optionalPermissions,
refusedPermissions,
ref stackMark,
assemblyAttributes);
return assemblyBuilder;
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern String nApplyPolicy(AssemblyName an);
// Return the assembly name that results from applying policy.
[ComVisible(false)]
public String ApplyPolicy(String assemblyName)
{
AssemblyName asmName = new AssemblyName(assemblyName);
byte[] pk = asmName.GetPublicKeyToken();
if (pk == null)
pk = asmName.GetPublicKey();
// Simply-named assemblies cannot have policy, so for those,
// we simply return the passed-in assembly name.
if ((pk == null) || (pk.Length == 0))
return assemblyName;
else
return nApplyPolicy(asmName);
}
public ObjectHandle CreateInstance(String assemblyName,
String typeName)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
if (assemblyName == null)
throw new ArgumentNullException("assemblyName");
return Activator.CreateInstance(assemblyName,
typeName);
}
internal ObjectHandle InternalCreateInstanceWithNoSecurity (string assemblyName, string typeName) {
PermissionSet.s_fullTrust.Assert();
return CreateInstance(assemblyName, typeName);
}
public ObjectHandle CreateInstanceFrom(String assemblyFile,
String typeName)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
return Activator.CreateInstanceFrom(assemblyFile,
typeName);
}
internal ObjectHandle InternalCreateInstanceFromWithNoSecurity (string assemblyName, string typeName) {
PermissionSet.s_fullTrust.Assert();
return CreateInstanceFrom(assemblyName, typeName);
}
#if FEATURE_COMINTEROP
// The first parameter should be named assemblyFile, but it was incorrectly named in a previous
// release, and the compatibility police won't let us change the name now.
public ObjectHandle CreateComInstanceFrom(String assemblyName,
String typeName)
{
if (this == null)
throw new NullReferenceException();
return Activator.CreateComInstanceFrom(assemblyName,
typeName);
}
public ObjectHandle CreateComInstanceFrom(String assemblyFile,
String typeName,
byte[] hashValue,
AssemblyHashAlgorithm hashAlgorithm)
{
if (this == null)
throw new NullReferenceException();
return Activator.CreateComInstanceFrom(assemblyFile,
typeName,
hashValue,
hashAlgorithm);
}
#endif // FEATURE_COMINTEROP
public ObjectHandle CreateInstance(String assemblyName,
String typeName,
Object[] activationAttributes)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
if (assemblyName == null)
throw new ArgumentNullException("assemblyName");
return Activator.CreateInstance(assemblyName,
typeName,
activationAttributes);
}
public ObjectHandle CreateInstanceFrom(String assemblyFile,
String typeName,
Object[] activationAttributes)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
return Activator.CreateInstanceFrom(assemblyFile,
typeName,
activationAttributes);
}
public ObjectHandle CreateInstance(String assemblyName,
String typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
if (assemblyName == null)
throw new ArgumentNullException("assemblyName");
return Activator.CreateInstance(assemblyName,
typeName,
ignoreCase,
bindingAttr,
binder,
args,
culture,
activationAttributes,
securityAttributes);
}
internal ObjectHandle InternalCreateInstanceWithNoSecurity (string assemblyName,
string typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes) {
PermissionSet.s_fullTrust.Assert();
return CreateInstance(assemblyName, typeName, ignoreCase, bindingAttr, binder, args, culture, activationAttributes, securityAttributes);
}
public ObjectHandle CreateInstanceFrom(String assemblyFile,
String typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes)
{
// jit does not check for that, so we should do it ...
if (this == null)
throw new NullReferenceException();
return Activator.CreateInstanceFrom(assemblyFile,
typeName,
ignoreCase,
bindingAttr,
binder,
args,
culture,
activationAttributes,
securityAttributes);
}
internal ObjectHandle InternalCreateInstanceFromWithNoSecurity (string assemblyName,
string typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes) {
PermissionSet.s_fullTrust.Assert();
return CreateInstanceFrom(assemblyName, typeName, ignoreCase, bindingAttr, binder, args, culture, activationAttributes, securityAttributes);
}
public Assembly Load(AssemblyName assemblyRef)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.InternalLoad(assemblyRef, null, ref stackMark, false);
}
public Assembly Load(String assemblyString)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.InternalLoad(assemblyString, null, ref stackMark, false);
}
public Assembly Load(byte[] rawAssembly)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.nLoadImage(rawAssembly,
null, // symbol store
null, // evidence
ref stackMark,
false
);
}
public Assembly Load(byte[] rawAssembly,
byte[] rawSymbolStore)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.nLoadImage(rawAssembly,
rawSymbolStore,
null, // evidence
ref stackMark,
false // fIntrospection
);
}
[SecurityPermissionAttribute( SecurityAction.Demand, ControlEvidence = true )]
public Assembly Load(byte[] rawAssembly,
byte[] rawSymbolStore,
Evidence securityEvidence)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.nLoadImage(rawAssembly,
rawSymbolStore,
securityEvidence,
ref stackMark,
false // fIntrospection
);
}
public Assembly Load(AssemblyName assemblyRef,
Evidence assemblySecurity)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.InternalLoad(assemblyRef, assemblySecurity, ref stackMark, false);
}
public Assembly Load(String assemblyString,
Evidence assemblySecurity)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return Assembly.InternalLoad(assemblyString, assemblySecurity, ref stackMark, false);
}
public int ExecuteAssembly(String assemblyFile)
{
return ExecuteAssembly(assemblyFile, null, null);
}
public int ExecuteAssembly(String assemblyFile,
Evidence assemblySecurity)
{
return ExecuteAssembly(assemblyFile, assemblySecurity, null);
}
public int ExecuteAssembly(String assemblyFile,
Evidence assemblySecurity,
String[] args)
{
Assembly assembly = Assembly.LoadFrom(assemblyFile, assemblySecurity);
if (args == null)
args = new String[0];
return nExecuteAssembly(assembly, args);
}
public int ExecuteAssembly(String assemblyFile,
Evidence assemblySecurity,
String[] args,
byte[] hashValue,
AssemblyHashAlgorithm hashAlgorithm)
{
Assembly assembly = Assembly.LoadFrom(assemblyFile,
assemblySecurity,
hashValue,
hashAlgorithm);
if (args == null)
args = new String[0];
return nExecuteAssembly(assembly, args);
}
public int ExecuteAssemblyByName(String assemblyName)
{
return ExecuteAssemblyByName(assemblyName, null, null);
}
public int ExecuteAssemblyByName(String assemblyName,
Evidence assemblySecurity)
{
return ExecuteAssemblyByName(assemblyName, assemblySecurity, null);
}
public int ExecuteAssemblyByName(String assemblyName,
Evidence assemblySecurity,
params String[] args)
{
Assembly assembly = Assembly.Load(assemblyName, assemblySecurity);
if (args == null)
args = new String[0];
return nExecuteAssembly(assembly, args);
}
public int ExecuteAssemblyByName(AssemblyName assemblyName,
Evidence assemblySecurity,
params String[] args)
{
Assembly assembly = Assembly.Load(assemblyName, assemblySecurity);
if (args == null)
args = new String[0];
return nExecuteAssembly(assembly, args);
}
public static AppDomain CurrentDomain
{
get { return Thread.GetDomain(); }
}
public Evidence Evidence
{
[SecurityPermissionAttribute(SecurityAction.Demand, ControlEvidence = true)]
get {
if (_SecurityIdentity == null) {
if (IsDefaultAppDomain()) {
//
// V1.x compatibility: the evidence of the default
// AppDomain is that of the entry assembly.
//
Assembly entryAsm = Assembly.GetEntryAssembly();
if (entryAsm != null)
return entryAsm.Evidence;
else
return new Evidence();
}
if (nIsDefaultAppDomainForSecurity()) {
//
// V1.x compatibility: If this is an AppDomain created
// by the default appdomain without an explicit evidence
// then reuse the evidence of the default AppDomain.
//
return GetDefaultDomain().Evidence;
}
}
Evidence ev = this.InternalEvidence;
return (ev == null ? ev : ev.Copy());
}
}
internal Evidence InternalEvidence
{
get {
return _SecurityIdentity;
}
}
// Should return a monotonically increasing appdomain ID that is unique for
// the lifetime of the process.
[MethodImpl(MethodImplOptions.InternalCall)]
internal extern uint GetAppDomainId();
public String FriendlyName
{
get { return nGetFriendlyName(); }
}
public String BaseDirectory
{
get {
return FusionStore.ApplicationBase;
}
}
public String RelativeSearchPath
{
get { return FusionStore.PrivateBinPath; }
}
public bool ShadowCopyFiles
{
get {
String s = FusionStore.ShadowCopyFiles;
if((s != null) &&
(String.Compare(s, "true", StringComparison.OrdinalIgnoreCase) == 0))
return true;
else
return false;
}
}
public override String ToString()
{
StringBuilder sb = new StringBuilder();
String fn = nGetFriendlyName();
if (fn != null) {
sb.Append(Environment.GetResourceString("Loader_Name") + fn);
sb.Append(Environment.NewLine);
}
if(_Policies == null || _Policies.Length == 0)
sb.Append(Environment.GetResourceString("Loader_NoContextPolicies")
+ Environment.NewLine);
else {
sb.Append(Environment.GetResourceString("Loader_ContextPolicies")
+ Environment.NewLine);
for(int i = 0;i < _Policies.Length; i++) {
sb.Append(_Policies[i]);
sb.Append(Environment.NewLine);
}
}
return sb.ToString();
}
public Assembly[] GetAssemblies()
{
return nGetAssemblies(false /* forIntrospection */);
}
public Assembly[] ReflectionOnlyGetAssemblies()
{
return nGetAssemblies(true /* forIntrospection */);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern Assembly[] nGetAssemblies(bool forIntrospection);
// this is true when the handles are gone etc so really can't do anything
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern bool IsUnloadingForcedFinalize();
// this is true when we've just started going through the finalizers and are forcing objects to finalize
// so must be aware that certain infrastructure may have gone away
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public extern bool IsFinalizingForUnload();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern void PublishAnonymouslyHostedDynamicMethodsAssembly(Assembly assembly);
// Appends the following string to the private path. Valid paths
// are of the form "bin;util/i386" etc.
[Obsolete("AppDomain.AppendPrivatePath has been deprecated. Please investigate the use of AppDomainSetup.PrivateBinPath instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void AppendPrivatePath(String path)
{
if(path == null || path.Length == 0)
return;
String current = FusionStore.Value[(int) AppDomainSetup.LoaderInformation.PrivateBinPathValue];
StringBuilder appendPath = new StringBuilder();
if(current != null && current.Length > 0) {
// See if the last character is a separator
appendPath.Append(current);
if((current[current.Length-1] != Path.PathSeparator) &&
(path[0] != Path.PathSeparator))
appendPath.Append(Path.PathSeparator);
}
appendPath.Append(path);
String result = appendPath.ToString();
InternalSetPrivateBinPath(result);
}
[Obsolete("AppDomain.ClearPrivatePath has been deprecated. Please investigate the use of AppDomainSetup.PrivateBinPath instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void ClearPrivatePath()
{
InternalSetPrivateBinPath(String.Empty);
}
[Obsolete("AppDomain.ClearShadowCopyPath has been deprecated. Please investigate the use of AppDomainSetup.ShadowCopyDirectories instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void ClearShadowCopyPath()
{
InternalSetShadowCopyPath(String.Empty);
}
[Obsolete("AppDomain.SetCachePath has been deprecated. Please investigate the use of AppDomainSetup.CachePath instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void SetCachePath(String path)
{
InternalSetCachePath(path);
}
[method:SecurityPermissionAttribute(SecurityAction.LinkDemand, ControlAppDomain = true)]
[ResourceExposure(ResourceScope.AppDomain)]
[ResourceConsumption(ResourceScope.AppDomain)]
public void SetData (string name, object data) {
SetDataHelper(name, data, null);
}
[method:SecurityPermissionAttribute(SecurityAction.LinkDemand, ControlAppDomain = true)]
[ResourceExposure(ResourceScope.AppDomain)]
[ResourceConsumption(ResourceScope.AppDomain)]
public void SetData (string name, object data, IPermission permission) {
SetDataHelper(name, data, permission);
}
[ResourceExposure(ResourceScope.AppDomain)]
[ResourceConsumption(ResourceScope.Machine, ResourceScope.AppDomain)]
private void SetDataHelper (string name, object data, IPermission permission) {
if (name == null)
throw new ArgumentNullException("name");
//
// Synopsis:
// IgnoreSystemPolicy is provided as a legacy flag to allow callers to
// skip enterprise, machine and user policy levels. When this flag is set,
// any demands triggered in this AppDomain will be evaluated against the
// AppDomain CAS policy level that is set on the AppDomain.
// Security Requirements:
// The caller needs to be fully trusted in order to be able to set
// this legacy mode.
// Remarks:
// There needs to be an AppDomain policy level set before this compat
// switch can be set on the AppDomain.
//
if (name.Equals("IgnoreSystemPolicy")) {
lock (this) {
if (!_HasSetPolicy)
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_SetData"));
}
new PermissionSet(PermissionState.Unrestricted).Demand();
}
int key = AppDomainSetup.Locate(name);
if(key == -1)
LocalStore[name] = new object[] {data, permission};
else {
if (permission != null)
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_SetData"));
// Be sure to call these properties, not Value, since
// these do more than call Value.
switch(key) {
case (int) AppDomainSetup.LoaderInformation.DynamicBaseValue:
FusionStore.DynamicBase = (string) data;
break;
case (int) AppDomainSetup.LoaderInformation.DevPathValue:
FusionStore.DeveloperPath = (string) data;
break;
case (int) AppDomainSetup.LoaderInformation.ShadowCopyDirectoriesValue:
FusionStore.ShadowCopyDirectories = (string) data;
break;
case (int) AppDomainSetup.LoaderInformation.DisallowPublisherPolicyValue:
if(data != null)
FusionStore.DisallowPublisherPolicy = true;
else
FusionStore.DisallowPublisherPolicy = false;
break;
case (int) AppDomainSetup.LoaderInformation.DisallowCodeDownloadValue:
if (data != null)
FusionStore.DisallowCodeDownload = true;
else
FusionStore.DisallowCodeDownload = false;
break;
case (int) AppDomainSetup.LoaderInformation.DisallowBindingRedirectsValue:
if(data != null)
FusionStore.DisallowBindingRedirects = true;
else
FusionStore.DisallowBindingRedirects = false;
break;
case (int) AppDomainSetup.LoaderInformation.DisallowAppBaseProbingValue:
if(data != null)
FusionStore.DisallowApplicationBaseProbing = true;
else
FusionStore.DisallowApplicationBaseProbing = false;
break;
case (int) AppDomainSetup.LoaderInformation.ConfigurationBytesValue:
FusionStore.SetConfigurationBytes((byte[]) data);
break;
default:
FusionStore.Value[key] = (string) data;
break;
}
}
}
[ResourceExposure(ResourceScope.AppDomain)]
[ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
public Object GetData(string name)
{
if(name == null)
throw new ArgumentNullException("name");
int key = AppDomainSetup.Locate(name);
if(key == -1) {
if(name.Equals(AppDomainSetup.LoaderOptimizationKey))
return FusionStore.LoaderOptimization;
else {
object[] data = (object[]) LocalStore[name];
if (data == null)
return null;
if (data[1] != null) {
IPermission permission = (IPermission) data[1];
permission.Demand();
}
return data[0];
}
}
else {
// Be sure to call these properties, not Value, so
// that the appropriate permission demand will be done
switch(key) {
case (int) AppDomainSetup.LoaderInformation.ApplicationBaseValue:
return FusionStore.ApplicationBase;
case (int) AppDomainSetup.LoaderInformation.ConfigurationFileValue:
return FusionStore.ConfigurationFile;
case (int) AppDomainSetup.LoaderInformation.DynamicBaseValue:
return FusionStore.DynamicBase;
case (int) AppDomainSetup.LoaderInformation.DevPathValue:
return FusionStore.DeveloperPath;
case (int) AppDomainSetup.LoaderInformation.ApplicationNameValue:
return FusionStore.ApplicationName;
case (int) AppDomainSetup.LoaderInformation.PrivateBinPathValue:
return FusionStore.PrivateBinPath;
case (int) AppDomainSetup.LoaderInformation.PrivateBinPathProbeValue:
return FusionStore.PrivateBinPathProbe;
case (int) AppDomainSetup.LoaderInformation.ShadowCopyDirectoriesValue:
return FusionStore.ShadowCopyDirectories;
case (int) AppDomainSetup.LoaderInformation.ShadowCopyFilesValue:
return FusionStore.ShadowCopyFiles;
case (int) AppDomainSetup.LoaderInformation.CachePathValue:
return FusionStore.CachePath;
case (int) AppDomainSetup.LoaderInformation.LicenseFileValue:
return FusionStore.LicenseFile;
case (int) AppDomainSetup.LoaderInformation.DisallowPublisherPolicyValue:
return FusionStore.DisallowPublisherPolicy;
case (int) AppDomainSetup.LoaderInformation.DisallowCodeDownloadValue:
return FusionStore.DisallowCodeDownload;
case (int) AppDomainSetup.LoaderInformation.DisallowBindingRedirectsValue:
return FusionStore.DisallowBindingRedirects;
case (int) AppDomainSetup.LoaderInformation.DisallowAppBaseProbingValue:
return FusionStore.DisallowApplicationBaseProbing;
case (int) AppDomainSetup.LoaderInformation.ConfigurationBytesValue:
return FusionStore.GetConfigurationBytes();
default:
#if _DEBUG
BCLDebug.Assert(false, "Need to handle new LoaderInformation value in AppDomain.GetData()");
#endif
return null;
}
}
}
[Obsolete("AppDomain.GetCurrentThreadId has been deprecated because it does not provide a stable Id when managed threads are running on fibers (aka lightweight threads). To get a stable identifier for a managed thread, use the ManagedThreadId property on Thread. http://go.microsoft.com/fwlink/?linkid=14202", false)]
[DllImport(Microsoft.Win32.Win32Native.KERNEL32)]
public static extern int GetCurrentThreadId();
[SecurityPermissionAttribute( SecurityAction.Demand, ControlAppDomain = true ),
ReliabilityContract(Consistency.MayCorruptAppDomain, Cer.MayFail)]
public static void Unload(AppDomain domain)
{
if (domain == null)
throw new ArgumentNullException("domain");
try {
Int32 domainID = AppDomain.GetIdForUnload(domain);
if (domainID==0)
throw new CannotUnloadAppDomainException();
AppDomain.nUnload(domainID);
}
catch(Exception e) {
throw e; // throw it again to reset stack trace
}
}
// Explicitly set policy for a domain (providing policy hasn't been set
// previously). Making this call will guarantee that previously loaded
// assemblies will be granted permissions based on the default machine
// policy that was in place prior to this call.
[SecurityPermission(SecurityAction.LinkDemand, ControlDomainPolicy=true)]
public void SetAppDomainPolicy(PolicyLevel domainPolicy)
{
if (domainPolicy == null)
throw new ArgumentNullException("domainPolicy");
// Check that policy has not been set previously.
lock (this) {
if (_HasSetPolicy)
throw new PolicyException(Environment.GetResourceString("Policy_PolicyAlreadySet"));
_HasSetPolicy = true;
// Make sure that the loader allows us to change security policy
// at this time (this will throw if not.)
nChangeSecurityPolicy();
}
// Add the new policy level.
SecurityManager.PolicyManager.AddLevel(domainPolicy);
}
#if !FEATURE_PAL
public ActivationContext ActivationContext {
[SecurityPermission(SecurityAction.LinkDemand, ControlDomainPolicy=true)]
get {
return _activationContext;
}
}
public ApplicationIdentity ApplicationIdentity {
[SecurityPermission(SecurityAction.LinkDemand, ControlDomainPolicy=true)]
get {
return _applicationIdentity;
}
}
public ApplicationTrust ApplicationTrust {
[SecurityPermission(SecurityAction.LinkDemand, ControlDomainPolicy=true)]
get {
return _applicationTrust;
}
}
#endif // !FEATURE_PAL
// Set the default principal object to be attached to threads if they
// attempt to bind to a principal while executing in this appdomain. The
// default can only be set once.
[SecurityPermissionAttribute(SecurityAction.Demand, Flags=SecurityPermissionFlag.ControlPrincipal)]
public void SetThreadPrincipal(IPrincipal principal)
{
if (principal == null)
throw new ArgumentNullException("principal");
lock (this) {
// Check that principal has not been set previously.
if (_DefaultPrincipal != null)
throw new PolicyException(Environment.GetResourceString("Policy_PrincipalTwice"));
_DefaultPrincipal = principal;
}
}
// Similar to the above, but sets the class of principal to be created
// instead.
[SecurityPermissionAttribute(SecurityAction.Demand, Flags=SecurityPermissionFlag.ControlPrincipal)]
public void SetPrincipalPolicy(PrincipalPolicy policy)
{
_PrincipalPolicy = policy;
}
// This method gives AppDomain an infinite life time by preventing a lease from being
// created
public override Object InitializeLifetimeService()
{
return null;
}
// This is useful for requesting execution of some code
// in another appDomain ... the delegate may be defined
// on a marshal-by-value object or a marshal-by-ref or
// contextBound object.
public void DoCallBack(CrossAppDomainDelegate callBackDelegate)
{
if (callBackDelegate == null)
throw new ArgumentNullException("callBackDelegate");
callBackDelegate();
}
public String DynamicDirectory
{
get {
String dyndir = GetDynamicDir();
if (dyndir != null)
new FileIOPermission( FileIOPermissionAccess.PathDiscovery, dyndir ).Demand();
return dyndir;
}
}
public static AppDomain CreateDomain(String friendlyName,
Evidence securityInfo) // Optional
{
return CreateDomain(friendlyName,
securityInfo,
null);
}
public static AppDomain CreateDomain(String friendlyName,
Evidence securityInfo, // Optional
String appBasePath,
String appRelativeSearchPath,
bool shadowCopyFiles)
{
AppDomainSetup info = new AppDomainSetup();
info.ApplicationBase = appBasePath;
info.PrivateBinPath = appRelativeSearchPath;
if(shadowCopyFiles)
info.ShadowCopyFiles = "true";
return CreateDomain(friendlyName,
securityInfo,
info);
}
public static AppDomain CreateDomain(String friendlyName)
{
return CreateDomain(friendlyName, null, null);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern private String GetDynamicDir();
// Private helpers called from unmanaged code.
// Marshal a single object into a serialized blob.
private static byte[] MarshalObject(Object o)
{
CodeAccessPermission.AssertAllPossible();
return Serialize(o);
}
// Marshal two objects into serialized blobs.
private static byte[] MarshalObjects(Object o1, Object o2, out byte[] blob2)
{
CodeAccessPermission.AssertAllPossible();
byte[] blob1 = Serialize(o1);
blob2 = Serialize(o2);
return blob1;
}
// Unmarshal a single object from a serialized blob.
private static Object UnmarshalObject(byte[] blob)
{
CodeAccessPermission.AssertAllPossible();
return Deserialize(blob);
}
// Unmarshal two objects from serialized blobs.
private static Object UnmarshalObjects(byte[] blob1, byte[] blob2, out Object o2)
{
CodeAccessPermission.AssertAllPossible();
Object o1 = Deserialize(blob1);
o2 = Deserialize(blob2);
return o1;
}
// Helper routines.
private static byte[] Serialize(Object o)
{
if (o == null)
{
return null;
}
else if (o is ISecurityEncodable)
{
SecurityElement element = ((ISecurityEncodable)o).ToXml();
MemoryStream ms = new MemoryStream( 4096 );
ms.WriteByte( 0 );
StreamWriter writer = new StreamWriter( ms, Encoding.UTF8 );
element.ToWriter( writer );
writer.Flush();
return ms.ToArray();
}
else
{
MemoryStream ms = new MemoryStream();
ms.WriteByte( 1 );
CrossAppDomainSerializer.SerializeObject(o, ms);
return ms.ToArray();
}
}
private static Object Deserialize(byte[] blob)
{
if (blob == null)
return null;
if (blob[0] == 0)
{
Parser parser = new Parser( blob, Tokenizer.ByteTokenEncoding.UTF8Tokens, 1 );
SecurityElement root = parser.GetTopElement();
if (root.Tag.Equals( "IPermission" ) || root.Tag.Equals( "Permission" ))
{
IPermission ip = System.Security.Util.XMLUtil.CreatePermission( root, PermissionState.None, false );
if (ip == null)
{
return null;
}
ip.FromXml( root );
return ip;
}
else if (root.Tag.Equals( "PermissionSet" ))
{
PermissionSet permissionSet = new PermissionSet();
permissionSet.FromXml( root, false, false );
return permissionSet;
}
else if (root.Tag.Equals( "PermissionToken" ))
{
PermissionToken pToken = new PermissionToken();
pToken.FromXml( root );
return pToken;
}
else
{
return null;
}
}
else
{
Object obj = null;
using(MemoryStream stream = new MemoryStream( blob, 1, blob.Length - 1 )) {
obj = CrossAppDomainSerializer.DeserializeObject(stream);
}
BCLDebug.Assert( !(obj is IPermission), "IPermission should be xml deserialized" );
BCLDebug.Assert( !(obj is PermissionSet), "PermissionSet should be xml deserialized" );
return obj;
}
}
private AppDomain() {
throw new NotSupportedException(Environment.GetResourceString(ResId.NotSupported_Constructor));
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern AssemblyBuilder nCreateDynamicAssembly(AssemblyName name,
Evidence identity,
ref StackCrawlMark stackMark,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions,
AssemblyBuilderAccess access,
DynamicAssemblyFlags flags);
internal class AssemblyBuilderLock { }
internal AssemblyBuilder InternalDefineDynamicAssembly(
AssemblyName name,
AssemblyBuilderAccess access,
String dir,
Evidence evidence,
PermissionSet requiredPermissions,
PermissionSet optionalPermissions,
PermissionSet refusedPermissions,
ref StackCrawlMark stackMark,
IEnumerable unsafeAssemblyAttributes)
{
lock(typeof(AssemblyBuilderLock))
{
if (name == null)
throw new ArgumentNullException("name");
if (access != AssemblyBuilderAccess.Run && access != AssemblyBuilderAccess.Save &&
access != AssemblyBuilderAccess.RunAndSave && access != AssemblyBuilderAccess.ReflectionOnly)
throw new ArgumentException(Environment.GetResourceString("Arg_EnumIllegalVal", (int)access), "access");
// Set the public key from the key pair if one has been provided.
// (Overwite any public key in the Assembly name, since it's no
// longer valid to have a disparity).
if (name.KeyPair != null)
name.SetPublicKey(name.KeyPair.PublicKey);
// If the caller is trusted they can supply identity
// evidence for the new assembly. Otherwise we copy the
// current grant and deny sets from the caller's assembly,
// inject them into the new assembly and mark policy as
// resolved. If/when the assembly is persisted and
// reloaded, the normal rules for gathering evidence will
// be used.
if (evidence != null)
new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
// Scan the assembly level attributes for any attributes which modify how we create the
// assembly. Currently, we only look for SecurityTransparentAttribute, which will cause
// the demand for the target permissions to be suppressed if a critical assembly is emitting
// the dynamic assembly.
List assemblyAttributes = null;
DynamicAssemblyFlags assemblyFlags = DynamicAssemblyFlags.None;
if (unsafeAssemblyAttributes != null)
{
// Create a copy to ensure that it cannot be modified from another thread
// as it is used further below.
assemblyAttributes = new List(unsafeAssemblyAttributes);
foreach (CustomAttributeBuilder attribute in assemblyAttributes)
{
if (attribute.m_con.DeclaringType == typeof(SecurityTransparentAttribute))
assemblyFlags |= DynamicAssemblyFlags.Transparent;
}
}
AssemblyBuilder assemblyBuilder = new AssemblyBuilder(nCreateDynamicAssembly(name,
evidence,
ref stackMark,
requiredPermissions,
optionalPermissions,
refusedPermissions,
access,
assemblyFlags));
assemblyBuilder.m_assemblyData = new AssemblyBuilderData(assemblyBuilder,
name.Name,
access,
dir);
assemblyBuilder.m_assemblyData.AddPermissionRequests(requiredPermissions,
optionalPermissions,
refusedPermissions);
if (assemblyAttributes != null)
{
foreach (CustomAttributeBuilder assemblyAttribute in assemblyAttributes)
assemblyBuilder.SetCustomAttribute(assemblyAttribute);
}
// Make sure the manifest module is initialized to a ModuleBuilder
assemblyBuilder.m_assemblyData.GetInMemoryAssemblyModule();
return assemblyBuilder;
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern int _nExecuteAssembly(Assembly assembly, String[] args);
internal int nExecuteAssembly(Assembly assembly, String[] args)
{
return _nExecuteAssembly(assembly.InternalAssembly, args);
}
internal void CreateRemotingData()
{
lock(this) {
if (_RemotingData == null)
_RemotingData = new DomainSpecificRemotingData();
}
}
internal DomainSpecificRemotingData RemotingData
{
get
{
if (_RemotingData == null)
CreateRemotingData();
return _RemotingData;
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern String nGetFriendlyName();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern bool nIsDefaultAppDomainForSecurity();
// support reliability for certain event handlers, if the target
// methods also participate in this discipline. If caller passes
// an existing MulticastDelegate, then we could use a MDA to indicate
// that reliability is not guaranteed. But if it is a single cast
// scenario, we can make it work.
public event EventHandler ProcessExit
{
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
add
{
if (value != null)
{
RuntimeHelpers.PrepareDelegate(value);
lock(this)
_processExit += value;
}
}
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
remove
{
lock(this)
_processExit -= value;
}
}
public event EventHandler DomainUnload
{
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
add
{
if (value != null)
{
RuntimeHelpers.PrepareDelegate(value);
lock(this)
_domainUnload += value;
}
}
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
remove
{
lock(this)
_domainUnload -= value;
}
}
public event UnhandledExceptionEventHandler UnhandledException
{
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
add
{
if (value != null)
{
RuntimeHelpers.PrepareDelegate(value);
lock(this)
_unhandledException += value;
}
}
[SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
remove
{
lock(this)
_unhandledException -= value;
}
}
private void OnAssemblyLoadEvent(Assembly LoadedAssembly)
{
AssemblyLoadEventHandler eventHandler=AssemblyLoad;
if (eventHandler != null) {
AssemblyLoadEventArgs ea = new AssemblyLoadEventArgs(LoadedAssembly);
eventHandler(this, ea);
}
}
private Assembly OnResourceResolveEvent(String resourceName)
{
ResolveEventHandler eventHandler=ResourceResolve;
if ( eventHandler == null)
return null;
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++) {
Assembly ret = ((ResolveEventHandler) ds[i])(this, new ResolveEventArgs(resourceName));
if (ret != null)
return ret.InternalAssembly;
}
return null;
}
private Assembly OnTypeResolveEvent(String typeName)
{
ResolveEventHandler eventHandler=TypeResolve;
if (eventHandler == null)
return null;
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++) {
Assembly ret = ((ResolveEventHandler) ds[i])(this, new ResolveEventArgs(typeName));
if (ret != null)
return ret.InternalAssembly;
}
return null;
}
private Assembly OnAssemblyResolveEvent(String assemblyFullName)
{
ResolveEventHandler eventHandler=AssemblyResolve;
if (eventHandler == null)
return null;
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++) {
Assembly ret = ((ResolveEventHandler) ds[i])(this, new ResolveEventArgs(assemblyFullName));
if (ret != null)
return ret.InternalAssembly;
}
return null;
}
private Assembly OnReflectionOnlyAssemblyResolveEvent(String assemblyFullName)
{
ResolveEventHandler eventHandler = ReflectionOnlyAssemblyResolve;
if (eventHandler != null) {
Delegate[] ds = eventHandler.GetInvocationList();
int len = ds.Length;
for (int i = 0; i < len; i++) {
Assembly ret = ((ResolveEventHandler) ds[i])(this, new ResolveEventArgs(assemblyFullName));
if (ret != null)
return ret.InternalAssembly;
}
}
return null;
}
internal AppDomainSetup FusionStore
{
get {
#if _DEBUG
BCLDebug.Assert(_FusionStore != null,
"Fusion store has not been correctly setup in this domain");
#endif
return _FusionStore;
}
}
[ResourceExposure(ResourceScope.AppDomain)]
private Hashtable LocalStore
{
get {
if (_LocalStore != null)
return _LocalStore;
else {
_LocalStore = Hashtable.Synchronized(new Hashtable());
return _LocalStore;
}
}
}
private void TurnOnBindingRedirects()
{
_FusionStore.DisallowBindingRedirects = false;
}
// This will throw a CannotUnloadAppDomainException if the appdomain is
// in another process.
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
internal static Int32 GetIdForUnload(AppDomain domain)
{
if (RemotingServices.IsTransparentProxy(domain))
{
return RemotingServices.GetServerDomainIdForProxy(domain);
}
else
return domain.Id;
}
// Used to determine if server object context is valid in
// x-domain remoting scenarios.
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
internal static extern bool IsDomainIdValid(Int32 id);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
static internal extern AppDomain GetDefaultDomain();
// Internal routine to retrieve the default principal object. If this is
// called before the principal has been explicitly set, it will
// automatically allocate a default principal based on the policy set by
// SetPrincipalPolicy.
internal IPrincipal GetThreadPrincipal()
{
IPrincipal principal = null;
lock (this) {
if (_DefaultPrincipal == null) {
switch (_PrincipalPolicy) {
case PrincipalPolicy.NoPrincipal:
principal = null;
break;
case PrincipalPolicy.UnauthenticatedPrincipal:
principal = new GenericPrincipal(new GenericIdentity("", ""),
new String[] {""});
break;
#if !FEATURE_PAL
case PrincipalPolicy.WindowsPrincipal:
principal = new WindowsPrincipal(WindowsIdentity.GetCurrent());
break;
#endif // !FEATURE_PAL
default:
principal = null;
break;
}
}
else
principal = _DefaultPrincipal;
return principal;
}
}
internal void CreateDefaultContext()
{
lock(this) {
// if it has not been created we ask the Context class to
// create a new default context for this appdomain.
if (_DefaultContext == null)
_DefaultContext = Context.CreateDefaultContext();
}
}
internal Context GetDefaultContext()
{
if (_DefaultContext == null)
CreateDefaultContext();
return _DefaultContext;
}
[SecurityPermissionAttribute( SecurityAction.Demand, ControlAppDomain = true )]
public static AppDomain CreateDomain(String friendlyName,
Evidence securityInfo,
AppDomainSetup info)
{
AppDomainManager domainManager = AppDomain.CurrentDomain.DomainManager;
if (domainManager != null)
return domainManager.CreateDomain(friendlyName, securityInfo, info);
// No AppDomainManager is set up for this domain
if (friendlyName == null)
throw new ArgumentNullException(Environment.GetResourceString("ArgumentNull_String"));
// If evidence is provided, we check to make sure that is allowed.
if (securityInfo != null)
new SecurityPermission( SecurityPermissionFlag.ControlEvidence ).Demand();
return nCreateDomain(friendlyName,
info,
securityInfo,
securityInfo == null ? AppDomain.CurrentDomain.InternalEvidence : null,
AppDomain.CurrentDomain.GetSecurityDescriptor());
}
#if !FEATURE_PAL
public static AppDomain CreateDomain (string friendlyName,
Evidence securityInfo,
AppDomainSetup info,
PermissionSet grantSet,
params StrongName[] fullTrustAssemblies)
{
if (info == null)
throw new ArgumentNullException("info");
if (info.ApplicationBase == null)
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_AppDomainSandboxAPINeedsExplicitAppBase"));
info.ApplicationTrust = new ApplicationTrust(grantSet, fullTrustAssemblies);
return CreateDomain(friendlyName, securityInfo, info);
}
#endif // !FEATURE_PAL
public static AppDomain CreateDomain(String friendlyName,
Evidence securityInfo, // Optional
String appBasePath,
String appRelativeSearchPath,
bool shadowCopyFiles,
AppDomainInitializer adInit,
string[] adInitArgs)
{
AppDomainSetup info = new AppDomainSetup();
info.ApplicationBase = appBasePath;
info.PrivateBinPath = appRelativeSearchPath;
info.AppDomainInitializer=adInit;
info.AppDomainInitializerArguments=adInitArgs;
if(shadowCopyFiles)
info.ShadowCopyFiles = "true";
return CreateDomain(friendlyName,
securityInfo,
info);
}
private void SetupFusionStore(AppDomainSetup info)
{
// Create the application base and configuration file from the imagelocation
// passed in or use the Win32 Image name.
if(info.Value[(int) AppDomainSetup.LoaderInformation.ApplicationBaseValue] == null ||
info.Value[(int) AppDomainSetup.LoaderInformation.ConfigurationFileValue] == null ) {
AppDomain defaultDomain = GetDefaultDomain();
if (this == defaultDomain) {
// The default domain gets its defaults from the main process.
info.SetupDefaultApplicationBase(RuntimeEnvironment.GetModuleFileName());
}
else {
// Other domains get their defaults from the default domain. This way, a host process
// can use AppDomainManager to set up the defaults for every domain created in the process.
if (info.Value[(int) AppDomainSetup.LoaderInformation.ConfigurationFileValue] == null)
info.ConfigurationFile = defaultDomain.FusionStore.Value[(int) AppDomainSetup.LoaderInformation.ConfigurationFileValue];
if (info.Value[(int) AppDomainSetup.LoaderInformation.ApplicationBaseValue] == null)
info.ApplicationBase = defaultDomain.FusionStore.Value[(int) AppDomainSetup.LoaderInformation.ApplicationBaseValue];
if (info.Value[(int) AppDomainSetup.LoaderInformation.ApplicationNameValue] == null)
info.ApplicationName = defaultDomain.FusionStore.Value[(int) AppDomainSetup.LoaderInformation.ApplicationNameValue];
}
}
// If there is no relative path then check the
// environment
if(info.Value[(int) AppDomainSetup.LoaderInformation.PrivateBinPathValue] == null)
info.PrivateBinPath = Environment.nativeGetEnvironmentVariable(AppDomainSetup.PrivateBinPathEnvironmentVariable);
// Add the developer path if it exists on this
// machine.
if(info.DeveloperPath == null)
info.DeveloperPath = RuntimeEnvironment.GetDeveloperPath();
// Set up the fusion context
IntPtr fusionContext = GetFusionContext();
info.SetupFusionContext(fusionContext);
// Set loader optimization policy
if (info.LoaderOptimization != LoaderOptimization.NotSpecified)
UpdateLoaderOptimization((int) info.LoaderOptimization);
// This must be the last action taken
_FusionStore = info;
}
// used to package up evidence, so it can be serialized
// for the call to InternalRemotelySetupRemoteDomain
[Serializable]
private class EvidenceCollection
{
public Evidence ProvidedSecurityInfo;
public Evidence CreatorsSecurityInfo;
}
private static void RunInitializer(AppDomainSetup setup)
{
if (setup.AppDomainInitializer!=null)
{
string[] args=null;
if (setup.AppDomainInitializerArguments!=null)
args=(string[])setup.AppDomainInitializerArguments.Clone();
setup.AppDomainInitializer(args);
}
}
// Used to switch into other AppDomain and call SetupRemoteDomain.
// We cannot simply call through the proxy, because if there
// are any remoting sinks registered, they can add non-mscorlib
// objects to the message (causing an assembly load exception when
// we try to deserialize it on the other side)
private static object RemotelySetupRemoteDomain(AppDomain appDomainProxy,
String friendlyName,
AppDomainSetup setup,
Evidence providedSecurityInfo,
Evidence creatorsSecurityInfo,
IntPtr parentSecurityDescriptor)
{
BCLDebug.Assert(RemotingServices.IsTransparentProxy(appDomainProxy),
"Expected a proxy to the AppDomain.");
// get context and appdomain id
IntPtr contextId;
int domainId;
RemotingServices.GetServerContextAndDomainIdForProxy(
appDomainProxy, out contextId, out domainId);
if (contextId==IntPtr.Zero)
throw new AppDomainUnloadedException();
// serialize evidence
EvidenceCollection evidenceCollection = null;
if ((providedSecurityInfo != null) ||
(creatorsSecurityInfo != null)) {
evidenceCollection = new EvidenceCollection();
evidenceCollection.ProvidedSecurityInfo = providedSecurityInfo;
evidenceCollection.CreatorsSecurityInfo = creatorsSecurityInfo;
}
bool bNeedGenericFormatter = false;
char[] serProvidedEvidence = null, serCreatorEvidence = null;
byte[] serializedEvidence = null;
AppDomainInitializerInfo initializerInfo=null;
if (providedSecurityInfo != null) {
serProvidedEvidence = PolicyManager.MakeEvidenceArray(providedSecurityInfo, true);
if (serProvidedEvidence == null)
bNeedGenericFormatter = true;
}
if (creatorsSecurityInfo != null && !bNeedGenericFormatter) {
serCreatorEvidence = PolicyManager.MakeEvidenceArray(creatorsSecurityInfo, true);
if (serCreatorEvidence == null)
bNeedGenericFormatter = true;
}
if (evidenceCollection != null && bNeedGenericFormatter) {
serProvidedEvidence = serCreatorEvidence = null;
serializedEvidence =
CrossAppDomainSerializer.SerializeObject(evidenceCollection).GetBuffer();
}
if (setup!=null && setup.AppDomainInitializer!=null)
initializerInfo=new AppDomainInitializerInfo(setup.AppDomainInitializer);
return InternalRemotelySetupRemoteDomain(contextId,
domainId,
friendlyName,
setup,
parentSecurityDescriptor,
serProvidedEvidence,
serCreatorEvidence,
serializedEvidence,
initializerInfo);
} // RemotelySetupRemoteDomain
[MethodImplAttribute(MethodImplOptions.NoInlining)]
private static Object InternalRemotelySetupRemoteDomainHelper(Object[] args)
{
String friendlyName = (String)args[0];
AppDomainSetup setup = (AppDomainSetup)args[1];
IntPtr parentSecurityDescriptor = (IntPtr)args[2];
char[] serProvidedEvidence = (char[])args[3];
char[] serCreatorEvidence = (char[])args[4];
byte[] serializedEvidence = (byte[])args[5];
AppDomainInitializerInfo initializerInfo = (AppDomainInitializerInfo)args[6];
AppDomain ad = Thread.CurrentContext.AppDomain;
AppDomainSetup newSetup=new AppDomainSetup(setup,false);
ad.SetupFusionStore(newSetup);
// extract evidence
Evidence providedSecurityInfo = null;
Evidence creatorsSecurityInfo = null;
if (serializedEvidence == null) {
if (serProvidedEvidence != null)
providedSecurityInfo = new Evidence(serProvidedEvidence);
if (serCreatorEvidence != null)
creatorsSecurityInfo = new Evidence(serCreatorEvidence);
}
else {
EvidenceCollection evidenceCollection = (EvidenceCollection)
CrossAppDomainSerializer.DeserializeObject(new MemoryStream(serializedEvidence));
providedSecurityInfo = evidenceCollection.ProvidedSecurityInfo;
creatorsSecurityInfo = evidenceCollection.CreatorsSecurityInfo;
}
// set up the friendly name
ad.nSetupFriendlyName(friendlyName);
if (setup != null && setup.SandboxInterop)
{
ad.nSetDisableInterfaceCache();
}
// set up the AppDomainManager for this domain and initialize security.
ad.SetDomainManager(providedSecurityInfo,
creatorsSecurityInfo,
parentSecurityDescriptor,
true);
// can load user code now
if(initializerInfo!=null)
newSetup.AppDomainInitializer=initializerInfo.Unwrap();
RunInitializer(newSetup);
// Activate the application if needed.
ObjectHandle oh = null;
#if !FEATURE_PAL
AppDomainSetup adSetup = ad.FusionStore;
if (adSetup.ActivationArguments != null && adSetup.ActivationArguments.ActivateInstance)
oh = Activator.CreateInstance(ad.ActivationContext);
#endif //!FEATURE_PAL
return RemotingServices.MarshalInternal(oh, null, null);
}
[MethodImplAttribute(MethodImplOptions.NoInlining)]
private static object InternalRemotelySetupRemoteDomain(IntPtr contextId,
int domainId,
String friendlyName,
AppDomainSetup setup,
IntPtr parentSecurityDescriptor,
char[] serProvidedEvidence,
char[] serCreatorEvidence,
byte[] serializedEvidence,
AppDomainInitializerInfo initializerInfo)
{
InternalCrossContextDelegate xctxDel =
new InternalCrossContextDelegate(InternalRemotelySetupRemoteDomainHelper);
Object[] args = new Object[]
{
friendlyName,
setup,
parentSecurityDescriptor,
serProvidedEvidence,
serCreatorEvidence,
serializedEvidence,
initializerInfo
};
return Thread.CurrentThread.InternalCrossContextCallback(null, contextId, domainId, xctxDel, args);
} // InternalSetupRemoteDomain
// This routine is called from unmanaged code to
// set the default fusion context.
private void SetupDomain(bool allowRedirects, String path, String configFile)
{
// It is possible that we could have multiple threads initializing
// the default domain. We will just take the winner of these two.
// (eg. one thread doing a com call and another doing attach for IJW)
lock (this) {
if(_FusionStore == null) {
AppDomainSetup setup = new AppDomainSetup();
if(path != null)
setup.Value[(int) AppDomainSetup.LoaderInformation.ApplicationBaseValue] = path;
if(configFile != null)
setup.Value[(int) AppDomainSetup.LoaderInformation.ConfigurationFileValue] = configFile;
// Default fusion context starts with binding redirects turned off.
if (!allowRedirects)
setup.DisallowBindingRedirects = true;
SetupFusionStore(setup);
}
}
}
private void SetupLoaderOptimization(LoaderOptimization policy)
{
if(policy != LoaderOptimization.NotSpecified) {
#if _DEBUG
BCLDebug.Assert(FusionStore.LoaderOptimization == LoaderOptimization.NotSpecified,
"It is illegal to change the Loader optimization on a domain");
#endif
FusionStore.LoaderOptimization = policy;
UpdateLoaderOptimization((int) FusionStore.LoaderOptimization);
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern IntPtr GetFusionContext();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern IntPtr GetSecurityDescriptor();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal static extern AppDomain nCreateDomain(String friendlyName,
AppDomainSetup setup,
Evidence providedSecurityInfo,
Evidence creatorsSecurityInfo,
IntPtr parentSecurityDescriptor);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal static extern ObjRef nCreateInstance(String friendlyName,
AppDomainSetup setup,
Evidence providedSecurityInfo,
Evidence creatorsSecurityInfo,
IntPtr parentSecurityDescriptor);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern void nSetupDomainSecurity(Evidence appDomainEvidence, IntPtr creatorsSecurityDescriptor, bool publishAppDomain);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern void nSetupFriendlyName(string friendlyName);
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern void nSetDisableInterfaceCache();
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern void UpdateLoaderOptimization(int optimization);
//
// This is just designed to prevent compiler warnings.
// This field is used from native, but we need to prevent the compiler warnings.
//
[Obsolete("AppDomain.SetShadowCopyPath has been deprecated. Please investigate the use of AppDomainSetup.ShadowCopyDirectories instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void SetShadowCopyPath(String path)
{
InternalSetShadowCopyPath(path);
}
[Obsolete("AppDomain.SetShadowCopyFiles has been deprecated. Please investigate the use of AppDomainSetup.ShadowCopyFiles instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void SetShadowCopyFiles()
{
InternalSetShadowCopyFiles();
}
[Obsolete("AppDomain.SetDynamicBase has been deprecated. Please investigate the use of AppDomainSetup.DynamicBase instead. http://go.microsoft.com/fwlink/?linkid=14202")]
[method:SecurityPermissionAttribute( SecurityAction.LinkDemand, ControlAppDomain = true )]
public void SetDynamicBase(String path)
{
InternalSetDynamicBase(path);
}
public AppDomainSetup SetupInformation
{
get {
return new AppDomainSetup(FusionStore,true);
}
}
internal void InternalSetShadowCopyPath(String path)
{
IntPtr fusionContext = GetFusionContext();
AppDomainSetup.UpdateContextProperty(fusionContext, AppDomainSetup.ShadowCopyDirectoriesKey, path);
FusionStore.ShadowCopyDirectories = path;
}
internal void InternalSetShadowCopyFiles()
{
IntPtr fusionContext = GetFusionContext();
AppDomainSetup.UpdateContextProperty(fusionContext, AppDomainSetup.ShadowCopyFilesKey, "true");
FusionStore.ShadowCopyFiles = "true";
}
internal void InternalSetCachePath(String path)
{
IntPtr fusionContext = GetFusionContext();
FusionStore.CachePath = path;
AppDomainSetup.UpdateContextProperty(fusionContext, AppDomainSetup.CachePathKey,
FusionStore.Value[(int) AppDomainSetup.LoaderInformation.CachePathValue]);
}
internal void InternalSetPrivateBinPath(String path)
{
IntPtr fusionContext = GetFusionContext();
AppDomainSetup.UpdateContextProperty(fusionContext, AppDomainSetup.PrivateBinPathKey, path);
FusionStore.PrivateBinPath = path;
}
internal void InternalSetDynamicBase(String path)
{
IntPtr fusionContext = GetFusionContext();
FusionStore.DynamicBase = path;
AppDomainSetup.UpdateContextProperty(fusionContext, AppDomainSetup.DynamicBaseKey,
FusionStore.Value[(int) AppDomainSetup.LoaderInformation.DynamicBaseValue]);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern String IsStringInterned(String str);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern String GetOrInternString(String str);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
internal extern void nGetGrantSet( out PermissionSet granted, out PermissionSet denied );
[MethodImplAttribute(MethodImplOptions.InternalCall)]
private extern void nChangeSecurityPolicy();
[MethodImplAttribute(MethodImplOptions.InternalCall),
ReliabilityContract(Consistency.MayCorruptAppDomain, Cer.MayFail)]
internal static extern void nUnload(Int32 domainInternal);
public Object CreateInstanceAndUnwrap(String assemblyName,
String typeName)
{
ObjectHandle oh = CreateInstance(assemblyName, typeName);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
public Object CreateInstanceAndUnwrap(String assemblyName,
String typeName,
Object[] activationAttributes)
{
ObjectHandle oh = CreateInstance(assemblyName, typeName, activationAttributes);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
public Object CreateInstanceAndUnwrap(String assemblyName,
String typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes)
{
ObjectHandle oh = CreateInstance(assemblyName, typeName, ignoreCase, bindingAttr,
binder, args, culture, activationAttributes, securityAttributes);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
// The first parameter should be named assemblyFile, but it was incorrectly named in a previous
// release, and the compatibility police won't let us change the name now.
public Object CreateInstanceFromAndUnwrap(String assemblyName,
String typeName)
{
ObjectHandle oh = CreateInstanceFrom(assemblyName, typeName);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
// The first parameter should be named assemblyFile, but it was incorrectly named in a previous
// release, and the compatibility police won't let us change the name now.
public Object CreateInstanceFromAndUnwrap(String assemblyName,
String typeName,
Object[] activationAttributes)
{
ObjectHandle oh = CreateInstanceFrom(assemblyName, typeName, activationAttributes);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
// The first parameter should be named assemblyFile, but it was incorrectly named in a previous
// release, and the compatibility police won't let us change the name now.
public Object CreateInstanceFromAndUnwrap(String assemblyName,
String typeName,
bool ignoreCase,
BindingFlags bindingAttr,
Binder binder,
Object[] args,
CultureInfo culture,
Object[] activationAttributes,
Evidence securityAttributes)
{
ObjectHandle oh = CreateInstanceFrom(assemblyName, typeName, ignoreCase, bindingAttr,
binder, args, culture, activationAttributes, securityAttributes);
if (oh == null)
return null;
return oh.Unwrap();
} // CreateInstanceAndUnwrap
public Int32 Id
{
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
get {
return GetId();
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
internal extern Int32 GetId();
public bool IsDefaultAppDomain()
{
if (this == GetDefaultDomain())
return true;
return false;
}
private static AppDomainSetup InternalCreateDomainSetup(String imageLocation)
{
int i = imageLocation.LastIndexOf('\\');
#if PLATFORM_UNIX
int j = imageLocation.LastIndexOf('/');
i = i > j ? i : j;
#endif
BCLDebug.Assert(i != -1, "invalid image location");
AppDomainSetup info = new AppDomainSetup();
info.ApplicationBase = imageLocation.Substring(0, i+1);
StringBuilder config = new StringBuilder(imageLocation.Substring(i+1));
config.Append(AppDomainSetup.ConfigurationExtension);
info.ConfigurationFile = config.ToString();
return info;
}
// Used by the validator for testing but not executing an assembly
private static AppDomain InternalCreateDomain(String imageLocation)
{
AppDomainSetup info = InternalCreateDomainSetup(imageLocation);
return CreateDomain("Validator",
null,
info);
}
private void InternalSetDomainContext(String imageLocation)
{
SetupFusionStore(InternalCreateDomainSetup(imageLocation));
}
void _AppDomain.GetTypeInfoCount(out uint pcTInfo)
{
throw new NotImplementedException();
}
void _AppDomain.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException();
}
void _AppDomain.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException();
}
void _AppDomain.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException();
}
}
// CallBacks provide a facility to request execution of some code
// in another context/appDomain.
// CrossAppDomainDelegate type is defined for appdomain call backs.
// The delegate used to request a callbak through the DoCallBack method
// must be of CrossContextDelegate type.
[System.Runtime.InteropServices.ComVisible(true)]
public delegate void CrossAppDomainDelegate();
}
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