Xamarin Public Jenkins 6992685b86 Imported Upstream version 4.2.0.179
Former-commit-id: 0a113cb3a6feb7873f632839b1307cc6033cd595
2015-11-10 14:54:39 +00:00

1015 lines
28 KiB
C#

//
// System.Reflection/Assembly.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Security;
using System.Security.Policy;
using System.Security.Permissions;
using System.Runtime.Serialization;
using System.Reflection;
using System.IO;
using System.Globalization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Configuration.Assemblies;
using System.Threading;
using System.Text;
using System.Diagnostics.Contracts;
using Mono.Security;
namespace System.Reflection {
[ComVisible (true)]
[ComDefaultInterfaceAttribute (typeof (_Assembly))]
[Serializable]
[ClassInterface(ClassInterfaceType.None)]
[StructLayout (LayoutKind.Sequential)]
#if MOBILE
public partial class Assembly : ICustomAttributeProvider {
#else
public abstract class Assembly : ICustomAttributeProvider, _Assembly, IEvidenceFactory, ISerializable {
#endif
internal class ResolveEventHolder {
public event ModuleResolveEventHandler ModuleResolve;
}
internal class UnmanagedMemoryStreamForModule : UnmanagedMemoryStream
{
Module module;
public unsafe UnmanagedMemoryStreamForModule (byte* pointer, long length, Module module)
: base (pointer, length)
{
this.module = module;
}
protected override void Dispose (bool disposing)
{
if (_isOpen) {
/*
* The returned pointer points inside metadata, so
* we have to increase the refcount of the module, and decrease
* it when the stream is finalized.
*/
module = null;
}
base.Dispose (disposing);
}
}
// Note: changes to fields must be reflected in _MonoReflectionAssembly struct (object-internals.h)
#pragma warning disable 649
private IntPtr _mono_assembly;
#pragma warning restore 649
private ResolveEventHolder resolve_event_holder;
#if !MOBILE
private Evidence _evidence;
internal PermissionSet _minimum; // for SecurityAction.RequestMinimum
internal PermissionSet _optional; // for SecurityAction.RequestOptional
internal PermissionSet _refuse; // for SecurityAction.RequestRefuse
private PermissionSet _granted; // for the resolved assembly granted permissions
private PermissionSet _denied; // for the resolved assembly denied permissions
#else
object _evidence, _minimum, _optional, _refuse, _granted, _denied;
#endif
private bool fromByteArray;
private string assemblyName;
protected
Assembly ()
{
resolve_event_holder = new ResolveEventHolder ();
}
//
// We can't store the event directly in this class, since the
// compiler would silently insert the fields before _mono_assembly
//
public event ModuleResolveEventHandler ModuleResolve {
[SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
add {
resolve_event_holder.ModuleResolve += value;
}
[SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
remove {
resolve_event_holder.ModuleResolve -= value;
}
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern string get_code_base (bool escaped);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern string get_fullname ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern string get_location ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern string InternalImageRuntimeVersion ();
// SECURITY: this should be the only caller to icall get_code_base
private string GetCodeBase (bool escaped)
{
string cb = get_code_base (escaped);
#if !NET_2_1
if (SecurityManager.SecurityEnabled) {
// we cannot divulge local file informations
if (String.Compare ("FILE://", 0, cb, 0, 7, true, CultureInfo.InvariantCulture) == 0) {
string file = cb.Substring (7);
new FileIOPermission (FileIOPermissionAccess.PathDiscovery, file).Demand ();
}
}
#endif
return cb;
}
public virtual string CodeBase {
get { return GetCodeBase (false); }
}
public virtual string EscapedCodeBase {
get { return GetCodeBase (true); }
}
public virtual string FullName {
get {
//
// FIXME: This is wrong, but it gets us going
// in the compiler for now
//
return ToString ();
}
}
public virtual extern MethodInfo EntryPoint {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
get;
}
public virtual Evidence Evidence {
[SecurityPermission (SecurityAction.Demand, ControlEvidence = true)]
get { return UnprotectedGetEvidence (); }
}
// note: the security runtime requires evidences but may be unable to do so...
internal Evidence UnprotectedGetEvidence ()
{
#if MOBILE
return null;
#else
// if the host (runtime) hasn't provided it's own evidence...
if (_evidence == null) {
// ... we will provide our own
lock (this) {
_evidence = Evidence.GetDefaultHostEvidence (this);
}
}
return _evidence;
#endif
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern bool get_global_assembly_cache ();
internal bool FromByteArray {
set { fromByteArray = value; }
}
public virtual String Location {
get {
if (fromByteArray)
return String.Empty;
string loc = get_location ();
#if !NET_2_1
if ((loc != String.Empty) && SecurityManager.SecurityEnabled) {
// we cannot divulge local file informations
new FileIOPermission (FileIOPermissionAccess.PathDiscovery, loc).Demand ();
}
#endif
return loc;
}
}
[ComVisible (false)]
public virtual string ImageRuntimeVersion {
get {
return InternalImageRuntimeVersion ();
}
}
public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
{
throw new NotImplementedException ();
}
public virtual bool IsDefined (Type attributeType, bool inherit)
{
return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
}
public virtual object [] GetCustomAttributes (bool inherit)
{
return MonoCustomAttrs.GetCustomAttributes (this, inherit);
}
public virtual object [] GetCustomAttributes (Type attributeType, bool inherit)
{
return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern object GetFilesInternal (String name, bool getResourceModules);
public virtual FileStream[] GetFiles ()
{
return GetFiles (false);
}
public virtual FileStream [] GetFiles (bool getResourceModules)
{
string[] names = (string[]) GetFilesInternal (null, getResourceModules);
if (names == null)
return EmptyArray<FileStream>.Value;
string location = Location;
FileStream[] res;
if (location != String.Empty) {
res = new FileStream [names.Length + 1];
res [0] = new FileStream (location, FileMode.Open, FileAccess.Read);
for (int i = 0; i < names.Length; ++i)
res [i + 1] = new FileStream (names [i], FileMode.Open, FileAccess.Read);
} else {
res = new FileStream [names.Length];
for (int i = 0; i < names.Length; ++i)
res [i] = new FileStream (names [i], FileMode.Open, FileAccess.Read);
}
return res;
}
public virtual FileStream GetFile (String name)
{
if (name == null)
throw new ArgumentNullException (null, "Name cannot be null.");
if (name.Length == 0)
throw new ArgumentException ("Empty name is not valid");
string filename = (string)GetFilesInternal (name, true);
if (filename != null)
return new FileStream (filename, FileMode.Open, FileAccess.Read);
else
return null;
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern IntPtr GetManifestResourceInternal (String name, out int size, out Module module);
public virtual Stream GetManifestResourceStream (String name)
{
if (name == null)
throw new ArgumentNullException ("name");
if (name.Length == 0)
throw new ArgumentException ("String cannot have zero length.",
"name");
ManifestResourceInfo info = GetManifestResourceInfo (name);
if (info == null) {
Assembly a = AppDomain.CurrentDomain.DoResourceResolve (name, this);
if (a != null && a != this)
return a.GetManifestResourceStream (name);
else
return null;
}
if (info.ReferencedAssembly != null)
return info.ReferencedAssembly.GetManifestResourceStream (name);
if ((info.FileName != null) && (info.ResourceLocation == 0)) {
if (fromByteArray)
throw new FileNotFoundException (info.FileName);
string location = Path.GetDirectoryName (Location);
string filename = Path.Combine (location, info.FileName);
return new FileStream (filename, FileMode.Open, FileAccess.Read);
}
int size;
Module module;
IntPtr data = GetManifestResourceInternal (name, out size, out module);
if (data == (IntPtr) 0)
return null;
else {
UnmanagedMemoryStream stream;
unsafe {
stream = new UnmanagedMemoryStreamForModule ((byte*) data, size, module);
}
return stream;
}
}
public virtual Stream GetManifestResourceStream (Type type, String name)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return GetManifestResourceStream(type, name, false, ref stackMark);
}
internal Stream GetManifestResourceStream (Type type, String name, bool skipSecurityCheck, ref StackCrawlMark stackMark)
{
StringBuilder sb = new StringBuilder ();
if (type == null) {
if (name == null)
throw new ArgumentNullException ("type");
} else {
String nameSpace = type.Namespace;
if (nameSpace != null) {
sb.Append (nameSpace);
if (name != null)
sb.Append (Type.Delimiter);
}
}
if (name != null)
sb.Append(name);
return GetManifestResourceStream (sb.ToString());
}
internal unsafe Stream GetManifestResourceStream(String name, ref StackCrawlMark stackMark, bool skipSecurityCheck)
{
return GetManifestResourceStream (null, name, skipSecurityCheck, ref stackMark);
}
internal String GetSimpleName()
{
AssemblyName aname = GetName (true);
return aname.Name;
}
internal byte[] GetPublicKey()
{
AssemblyName aname = GetName (true);
return aname.GetPublicKey ();
}
internal Version GetVersion()
{
AssemblyName aname = GetName (true);
return aname.Version;
}
private AssemblyNameFlags GetFlags()
{
AssemblyName aname = GetName (true);
return aname.Flags;
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal virtual extern Type[] GetTypes (bool exportedOnly);
public virtual Type[] GetTypes ()
{
return GetTypes (false);
}
public virtual Type[] GetExportedTypes ()
{
return GetTypes (true);
}
public virtual Type GetType (String name, Boolean throwOnError)
{
return GetType (name, throwOnError, false);
}
public virtual Type GetType (String name) {
return GetType (name, false, false);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern Type InternalGetType (Module module, String name, Boolean throwOnError, Boolean ignoreCase);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern static void InternalGetAssemblyName (string assemblyFile, AssemblyName aname);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
static extern void FillName (Assembly ass, AssemblyName aname);
[MonoTODO ("copiedName == true is not supported")]
public virtual AssemblyName GetName (Boolean copiedName)
{
#if !MOBILE
// CodeBase, which is restricted, will be copied into the AssemblyName object so...
if (SecurityManager.SecurityEnabled) {
GetCodeBase (true); // this will ensure the Demand is made
}
#endif
return UnprotectedGetName ();
}
public virtual AssemblyName GetName ()
{
return GetName (false);
}
// the security runtime requires access to the assemblyname (e.g. to get the strongname)
internal virtual AssemblyName UnprotectedGetName ()
{
AssemblyName aname = new AssemblyName ();
FillName (this, aname);
return aname;
}
public override string ToString ()
{
// note: ToString work without requiring CodeBase (so no checks are needed)
if (assemblyName != null)
return assemblyName;
assemblyName = get_fullname ();
return assemblyName;
}
public static String CreateQualifiedName (String assemblyName, String typeName)
{
return typeName + ", " + assemblyName;
}
public static Assembly GetAssembly (Type type)
{
if (type != null)
return type.Assembly;
throw new ArgumentNullException ("type");
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public static extern Assembly GetEntryAssembly();
internal Assembly GetSatelliteAssembly (CultureInfo culture, Version version, bool throwOnError)
{
if (culture == null)
throw new ArgumentNullException("culture");
Contract.EndContractBlock();
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
String name = GetSimpleName() + ".resources";
return InternalGetSatelliteAssembly(name, culture, version, true, ref stackMark);
}
internal RuntimeAssembly InternalGetSatelliteAssembly (String name, CultureInfo culture, Version version, bool throwOnFileNotFound, ref StackCrawlMark stackMark)
{
AssemblyName an = new AssemblyName ();
an.SetPublicKey (GetPublicKey ());
an.Flags = GetFlags () | AssemblyNameFlags.PublicKey;
if (version == null)
an.Version = GetVersion ();
else
an.Version = version;
an.CultureInfo = culture;
an.Name = name;
Assembly assembly;
try {
assembly = AppDomain.CurrentDomain.LoadSatellite (an, false);
if (assembly != null)
return (RuntimeAssembly)assembly;
} catch (FileNotFoundException) {
assembly = null;
// ignore
}
if (String.IsNullOrEmpty (Location))
return null;
// Try the assembly directory
string location = Path.GetDirectoryName (Location);
string fullName = Path.Combine (location, Path.Combine (culture.Name, an.Name + ".dll"));
if (!throwOnFileNotFound && !File.Exists (fullName))
return null;
return (RuntimeAssembly)LoadFrom (fullName);
}
#if !MOBILE
Type _Assembly.GetType ()
{
// Required or object::GetType becomes virtual final
return base.GetType ();
}
#endif
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern static Assembly LoadFrom (String assemblyFile, bool refonly);
public static Assembly LoadFrom (String assemblyFile)
{
return LoadFrom (assemblyFile, false);
}
[Obsolete]
public static Assembly LoadFrom (String assemblyFile, Evidence securityEvidence)
{
Assembly a = LoadFrom (assemblyFile, false);
#if !NET_2_1
if ((a != null) && (securityEvidence != null)) {
// merge evidence (i.e. replace defaults with provided evidences)
a.Evidence.Merge (securityEvidence);
}
#endif
return a;
}
[Obsolete]
[MonoTODO("This overload is not currently implemented")]
// FIXME: What are we missing?
public static Assembly LoadFrom (String assemblyFile, Evidence securityEvidence, byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm)
{
throw new NotImplementedException ();
}
[MonoTODO]
public static Assembly LoadFrom (String assemblyFile, byte [] hashValue, AssemblyHashAlgorithm hashAlgorithm)
{
throw new NotImplementedException ();
}
public static Assembly UnsafeLoadFrom (String assemblyFile)
{
return LoadFrom (assemblyFile);
}
[Obsolete]
public static Assembly LoadFile (String path, Evidence securityEvidence)
{
if (path == null)
throw new ArgumentNullException ("path");
if (path == String.Empty)
throw new ArgumentException ("Path can't be empty", "path");
// FIXME: Make this do the right thing
return LoadFrom (path, securityEvidence);
}
public static Assembly LoadFile (String path)
{
return LoadFile (path, null);
}
public static Assembly Load (String assemblyString)
{
return AppDomain.CurrentDomain.Load (assemblyString);
}
[Obsolete]
public static Assembly Load (String assemblyString, Evidence assemblySecurity)
{
return AppDomain.CurrentDomain.Load (assemblyString, assemblySecurity);
}
public static Assembly Load (AssemblyName assemblyRef)
{
return AppDomain.CurrentDomain.Load (assemblyRef);
}
[Obsolete]
public static Assembly Load (AssemblyName assemblyRef, Evidence assemblySecurity)
{
return AppDomain.CurrentDomain.Load (assemblyRef, assemblySecurity);
}
public static Assembly Load (Byte[] rawAssembly)
{
return AppDomain.CurrentDomain.Load (rawAssembly);
}
public static Assembly Load (Byte[] rawAssembly, Byte[] rawSymbolStore)
{
return AppDomain.CurrentDomain.Load (rawAssembly, rawSymbolStore);
}
[Obsolete]
public static Assembly Load (Byte[] rawAssembly, Byte[] rawSymbolStore,
Evidence securityEvidence)
{
return AppDomain.CurrentDomain.Load (rawAssembly, rawSymbolStore, securityEvidence);
}
[MonoLimitation ("Argument securityContextSource is ignored")]
public static Assembly Load (byte [] rawAssembly, byte [] rawSymbolStore, SecurityContextSource securityContextSource)
{
return AppDomain.CurrentDomain.Load (rawAssembly, rawSymbolStore);
}
public static Assembly ReflectionOnlyLoad (byte[] rawAssembly)
{
return AppDomain.CurrentDomain.Load (rawAssembly, null, null, true);
}
public static Assembly ReflectionOnlyLoad (string assemblyString)
{
return AppDomain.CurrentDomain.Load (assemblyString, null, true);
}
public static Assembly ReflectionOnlyLoadFrom (string assemblyFile)
{
if (assemblyFile == null)
throw new ArgumentNullException ("assemblyFile");
return LoadFrom (assemblyFile, true);
}
[Obsolete]
public static Assembly LoadWithPartialName (string partialName)
{
return LoadWithPartialName (partialName, null);
}
[MonoTODO ("Not implemented")]
public Module LoadModule (string moduleName, byte [] rawModule)
{
throw new NotImplementedException ();
}
[MonoTODO ("Not implemented")]
public
virtual
Module LoadModule (string moduleName, byte [] rawModule, byte [] rawSymbolStore)
{
throw new NotImplementedException ();
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private static extern Assembly load_with_partial_name (string name, Evidence e);
[Obsolete]
public static Assembly LoadWithPartialName (string partialName, Evidence securityEvidence)
{
return LoadWithPartialName (partialName, securityEvidence, true);
}
/**
* LAMESPEC: It is possible for this method to throw exceptions IF the name supplied
* is a valid gac name and contains filesystem entry charachters at the end of the name
* ie System/// will throw an exception. However ////System will not as that is canocolized
* out of the name.
*/
// FIXME: LoadWithPartialName must look cache (no CAS) or read from disk (CAS)
internal static Assembly LoadWithPartialName (string partialName, Evidence securityEvidence, bool oldBehavior)
{
if (!oldBehavior)
throw new NotImplementedException ();
if (partialName == null)
throw new NullReferenceException ();
return load_with_partial_name (partialName, securityEvidence);
}
public Object CreateInstance (String typeName)
{
return CreateInstance (typeName, false);
}
public Object CreateInstance (String typeName, Boolean ignoreCase)
{
Type t = GetType (typeName, false, ignoreCase);
if (t == null)
return null;
try {
return Activator.CreateInstance (t);
} catch (InvalidOperationException) {
throw new ArgumentException ("It is illegal to invoke a method on a Type loaded via ReflectionOnly methods.");
}
}
public
virtual
Object CreateInstance (String typeName, Boolean ignoreCase,
BindingFlags bindingAttr, Binder binder,
Object[] args, CultureInfo culture,
Object[] activationAttributes)
{
Type t = GetType (typeName, false, ignoreCase);
if (t == null)
return null;
try {
return Activator.CreateInstance (t, bindingAttr, binder, args, culture, activationAttributes);
} catch (InvalidOperationException) {
throw new ArgumentException ("It is illegal to invoke a method on a Type loaded via ReflectionOnly methods.");
}
}
public Module[] GetLoadedModules ()
{
return GetLoadedModules (false);
}
public Module[] GetModules ()
{
return GetModules (false);
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal virtual extern Module[] GetModulesInternal ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern virtual String[] GetManifestResourceNames ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static Assembly GetExecutingAssembly ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
public extern static Assembly GetCallingAssembly ();
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal static extern AssemblyName[] GetReferencedAssemblies (Assembly module);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
private extern bool GetManifestResourceInfoInternal (String name, ManifestResourceInfo info);
public virtual ManifestResourceInfo GetManifestResourceInfo (String resourceName)
{
if (resourceName == null)
throw new ArgumentNullException ("resourceName");
if (resourceName.Length == 0)
throw new ArgumentException ("String cannot have zero length.");
ManifestResourceInfo result = new ManifestResourceInfo (null, null, 0);
bool found = GetManifestResourceInfoInternal (resourceName, result);
if (found)
return result;
else
return null;
}
[MonoTODO ("Currently it always returns zero")]
[ComVisible (false)]
public
virtual
long HostContext {
get { return 0; }
}
internal virtual Module GetManifestModule () {
return GetManifestModuleInternal ();
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
internal extern Module GetManifestModuleInternal ();
[ComVisible (false)]
public virtual extern bool ReflectionOnly {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
get;
}
public override int GetHashCode ()
{
return base.GetHashCode ();
}
public override bool Equals (object o)
{
if (((object) this) == o)
return true;
if (o == null)
return false;
Assembly other = (Assembly) o;
return other._mono_assembly == _mono_assembly;
}
#if !NET_2_1
// Code Access Security
internal void Resolve ()
{
lock (this) {
// FIXME: As we (currently) delay the resolution until the first CAS
// Demand it's too late to evaluate the Minimum permission set as a
// condition to load the assembly into the AppDomain
LoadAssemblyPermissions ();
Evidence e = new Evidence (UnprotectedGetEvidence ()); // we need a copy to add PRE
e.AddHost (new PermissionRequestEvidence (_minimum, _optional, _refuse));
_granted = SecurityManager.ResolvePolicy (e,
_minimum, _optional, _refuse, out _denied);
}
}
internal PermissionSet GrantedPermissionSet {
get {
if (_granted == null) {
if (SecurityManager.ResolvingPolicyLevel != null) {
if (SecurityManager.ResolvingPolicyLevel.IsFullTrustAssembly (this))
return DefaultPolicies.FullTrust;
else
return null; // we can't resolve during resolution
}
Resolve ();
}
return _granted;
}
}
internal PermissionSet DeniedPermissionSet {
get {
// yes we look for granted, as denied may be null
if (_granted == null) {
if (SecurityManager.ResolvingPolicyLevel != null) {
if (SecurityManager.ResolvingPolicyLevel.IsFullTrustAssembly (this))
return null;
else
return DefaultPolicies.FullTrust; // deny unrestricted
}
Resolve ();
}
return _denied;
}
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
extern internal static bool LoadPermissions (Assembly a,
ref IntPtr minimum, ref int minLength,
ref IntPtr optional, ref int optLength,
ref IntPtr refused, ref int refLength);
// Support for SecurityAction.RequestMinimum, RequestOptional and RequestRefuse
private void LoadAssemblyPermissions ()
{
IntPtr minimum = IntPtr.Zero, optional = IntPtr.Zero, refused = IntPtr.Zero;
int minLength = 0, optLength = 0, refLength = 0;
if (LoadPermissions (this, ref minimum, ref minLength, ref optional,
ref optLength, ref refused, ref refLength)) {
// Note: no need to cache these permission sets as they will only be created once
// at assembly resolution time.
if (minLength > 0) {
byte[] data = new byte [minLength];
Marshal.Copy (minimum, data, 0, minLength);
_minimum = SecurityManager.Decode (data);
}
if (optLength > 0) {
byte[] data = new byte [optLength];
Marshal.Copy (optional, data, 0, optLength);
_optional = SecurityManager.Decode (data);
}
if (refLength > 0) {
byte[] data = new byte [refLength];
Marshal.Copy (refused, data, 0, refLength);
_refuse = SecurityManager.Decode (data);
}
}
}
public virtual PermissionSet PermissionSet {
get { return this.GrantedPermissionSet; }
}
public virtual SecurityRuleSet SecurityRuleSet {
get { throw CreateNIE (); }
}
#endif
static Exception CreateNIE ()
{
return new NotImplementedException ("Derived classes must implement it");
}
public virtual IList<CustomAttributeData> GetCustomAttributesData ()
{
return CustomAttributeData.GetCustomAttributes (this);
}
[MonoTODO]
public bool IsFullyTrusted {
get { return true; }
}
public virtual Type GetType (string name, bool throwOnError, bool ignoreCase)
{
throw CreateNIE ();
}
public virtual Module GetModule (String name)
{
throw CreateNIE ();
}
public virtual AssemblyName[] GetReferencedAssemblies ()
{
throw CreateNIE ();
}
public virtual Module[] GetModules (bool getResourceModules)
{
throw CreateNIE ();
}
[MonoTODO ("Always returns the same as GetModules")]
public virtual Module[] GetLoadedModules (bool getResourceModules)
{
throw CreateNIE ();
}
public virtual Assembly GetSatelliteAssembly (CultureInfo culture)
{
throw CreateNIE ();
}
public virtual Assembly GetSatelliteAssembly (CultureInfo culture, Version version)
{
throw CreateNIE ();
}
public virtual Module ManifestModule {
get { throw CreateNIE (); }
}
public virtual bool GlobalAssemblyCache {
get { throw CreateNIE (); }
}
public virtual bool IsDynamic {
get { return false; }
}
public static bool operator == (Assembly left, Assembly right)
{
if ((object)left == (object)right)
return true;
if ((object)left == null ^ (object)right == null)
return false;
return left.Equals (right);
}
public static bool operator != (Assembly left, Assembly right)
{
if ((object)left == (object)right)
return false;
if ((object)left == null ^ (object)right == null)
return true;
return !left.Equals (right);
}
public virtual IEnumerable<TypeInfo> DefinedTypes {
get {
foreach (var type in GetTypes ()) {
yield return type.GetTypeInfo ();
}
}
}
public virtual IEnumerable<Type> ExportedTypes {
get { return GetExportedTypes (); }
}
public virtual IEnumerable<Module> Modules {
get { return GetModules (); }
}
public virtual IEnumerable<CustomAttributeData> CustomAttributes {
get { return GetCustomAttributesData (); }
}
}
}