예제 #1
1
 internal CustomAttributeData(Module scope, CustomAttributeRecord caRecord)
 {
     this.m_scope = scope;
     this.m_ctor = (ConstructorInfo) RuntimeType.GetMethodBase(scope, (int) caRecord.tkCtor);
     ParameterInfo[] parametersNoCopy = this.m_ctor.GetParametersNoCopy();
     this.m_ctorParams = new CustomAttributeCtorParameter[parametersNoCopy.Length];
     for (int i = 0; i < parametersNoCopy.Length; i++)
     {
         this.m_ctorParams[i] = new CustomAttributeCtorParameter(InitCustomAttributeType(parametersNoCopy[i].ParameterType, scope));
     }
     FieldInfo[] fields = this.m_ctor.DeclaringType.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
     PropertyInfo[] properties = this.m_ctor.DeclaringType.GetProperties(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
     this.m_namedParams = new CustomAttributeNamedParameter[properties.Length + fields.Length];
     for (int j = 0; j < fields.Length; j++)
     {
         this.m_namedParams[j] = new CustomAttributeNamedParameter(fields[j].Name, CustomAttributeEncoding.Field, InitCustomAttributeType(fields[j].FieldType, scope));
     }
     for (int k = 0; k < properties.Length; k++)
     {
         this.m_namedParams[k + fields.Length] = new CustomAttributeNamedParameter(properties[k].Name, CustomAttributeEncoding.Property, InitCustomAttributeType(properties[k].PropertyType, scope));
     }
     this.m_members = new MemberInfo[fields.Length + properties.Length];
     fields.CopyTo(this.m_members, 0);
     properties.CopyTo(this.m_members, fields.Length);
     CustomAttributeEncodedArgument.ParseAttributeArguments(caRecord.blob, ref this.m_ctorParams, ref this.m_namedParams, this.m_scope);
 }
        private static bool IsCustomAttributeDefined(RuntimeModule decoratedModule, int decoratedMetadataToken, RuntimeType attributeFilterType, bool mustBeInheritable)
        {
            if (decoratedModule.Assembly.ReflectionOnly)
            {
                throw new InvalidOperationException(Environment.GetResourceString("Arg_ReflectionOnlyCA"));
            }
            MetadataImport metadataImport = decoratedModule.MetadataImport;

            CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(decoratedModule, decoratedMetadataToken);
            Assembly lastAptcaOkAssembly = null;

            for (int i = 0; i < customAttributeRecords.Length; i++)
            {
                RuntimeType        type;
                IRuntimeMethodInfo info;
                bool flag;
                bool flag2;
                CustomAttributeRecord caRecord = customAttributeRecords[i];
                if (FilterCustomAttributeRecord(caRecord, metadataImport, ref lastAptcaOkAssembly, decoratedModule, decoratedMetadataToken, attributeFilterType, mustBeInheritable, null, null, out type, out info, out flag, out flag2))
                {
                    return(true);
                }
            }
            return(false);
        }
예제 #3
0
 private CustomAttributeData(RuntimeModule scope, CustomAttributeRecord caRecord)
 {
     this.m_scope = scope;
     this.m_ctor  = (RuntimeConstructorInfo)RuntimeType.GetMethodBase(scope, caRecord.tkCtor);
     ParameterInfo[] parametersNoCopy = this.m_ctor.GetParametersNoCopy();
     this.m_ctorParams = new CustomAttributeCtorParameter[parametersNoCopy.Length];
     for (int i = 0; i < parametersNoCopy.Length; i++)
     {
         this.m_ctorParams[i] = new CustomAttributeCtorParameter(CustomAttributeData.InitCustomAttributeType((RuntimeType)parametersNoCopy[i].ParameterType));
     }
     FieldInfo[]    fields     = this.m_ctor.DeclaringType.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
     PropertyInfo[] properties = this.m_ctor.DeclaringType.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
     this.m_namedParams = new CustomAttributeNamedParameter[properties.Length + fields.Length];
     for (int j = 0; j < fields.Length; j++)
     {
         this.m_namedParams[j] = new CustomAttributeNamedParameter(fields[j].Name, CustomAttributeEncoding.Field, CustomAttributeData.InitCustomAttributeType((RuntimeType)fields[j].FieldType));
     }
     for (int k = 0; k < properties.Length; k++)
     {
         this.m_namedParams[k + fields.Length] = new CustomAttributeNamedParameter(properties[k].Name, CustomAttributeEncoding.Property, CustomAttributeData.InitCustomAttributeType((RuntimeType)properties[k].PropertyType));
     }
     this.m_members = new MemberInfo[fields.Length + properties.Length];
     fields.CopyTo(this.m_members, 0);
     properties.CopyTo(this.m_members, fields.Length);
     CustomAttributeEncodedArgument.ParseAttributeArguments(caRecord.blob, ref this.m_ctorParams, ref this.m_namedParams, this.m_scope);
 }
        internal static AttributeUsageAttribute GetAttributeUsage(RuntimeType decoratedAttribute)
        {
            RuntimeModule  runtimeModule  = decoratedAttribute.GetRuntimeModule();
            MetadataImport metadataImport = runtimeModule.MetadataImport;

            CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(runtimeModule, decoratedAttribute.MetadataToken);
            AttributeUsageAttribute attribute = null;

            for (int i = 0; i < customAttributeRecords.Length; i++)
            {
                CustomAttributeRecord record = customAttributeRecords[i];
                RuntimeType           type   = runtimeModule.ResolveType(metadataImport.GetParentToken((int)record.tkCtor), null, null) as RuntimeType;
                if (type == ((RuntimeType)typeof(AttributeUsageAttribute)))
                {
                    AttributeTargets targets;
                    bool             flag;
                    bool             flag2;
                    if (attribute != null)
                    {
                        throw new FormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString("Format_AttributeUsage"), new object[] { type }));
                    }
                    ParseAttributeUsageAttribute(record.blob, out targets, out flag, out flag2);
                    attribute = new AttributeUsageAttribute(targets, flag2, flag);
                }
            }
            if (attribute == null)
            {
                return(AttributeUsageAttribute.Default);
            }
            return(attribute);
        }
예제 #5
0
        internal static CustomAttributeRecord[] GetCustomAttributeRecords(RuntimeModule module, int targetToken)
        {
            MetadataImport     metadataImport = module.MetadataImport;
            MetadataEnumResult metadataEnumResult;

            metadataImport.EnumCustomAttributes(targetToken, out metadataEnumResult);
            CustomAttributeRecord[] array = new CustomAttributeRecord[metadataEnumResult.Length];
            for (int i = 0; i < array.Length; i++)
            {
                metadataImport.GetCustomAttributeProps(metadataEnumResult[i], out array[i].tkCtor.Value, out array[i].blob);
            }
            return(array);
        }
예제 #6
0
        internal static CustomAttributeRecord[] GetCustomAttributeRecords(RuntimeModule module, int targetToken)
        {
            MetadataImport     metadataImport = module.MetadataImport;
            MetadataEnumResult result;

            metadataImport.EnumCustomAttributes(targetToken, out result);
            CustomAttributeRecord[] customAttributeRecordArray = new CustomAttributeRecord[result.Length];
            for (int index = 0; index < customAttributeRecordArray.Length; ++index)
            {
                metadataImport.GetCustomAttributeProps(result[index], out customAttributeRecordArray[index].tkCtor.Value, out customAttributeRecordArray[index].blob);
            }
            return(customAttributeRecordArray);
        }
예제 #7
0
        internal static unsafe CustomAttributeRecord[] GetCustomAttributeRecords(RuntimeModule module, int targetToken)
        {
            MetadataImport metadataImport = module.MetadataImport;
            int            count          = metadataImport.EnumCustomAttributesCount(targetToken);
            int *          result         = (int *)stackalloc byte[(((IntPtr)count) * 4)];

            metadataImport.EnumCustomAttributes(targetToken, result, count);
            CustomAttributeRecord[] recordArray = new CustomAttributeRecord[count];
            for (int i = 0; i < count; i++)
            {
                metadataImport.GetCustomAttributeProps(result[i], out recordArray[i].tkCtor.Value, out recordArray[i].blob);
            }
            return(recordArray);
        }
예제 #8
0
        private static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
        {
            ctor              = (IRuntimeMethodInfo)null;
            attributeType     = (RuntimeType)null;
            ctorHasParameters = false;
            isVarArg          = false;
            IntPtr num = (IntPtr)((void *)((IntPtr)(void *)caRecord.blob.Signature + caRecord.blob.Length));

            attributeType = decoratedModule.ResolveType(scope.GetParentToken((int)caRecord.tkCtor), (Type[])null, (Type[])null) as RuntimeType;
            if (!attributeFilterType.IsAssignableFrom((TypeInfo)attributeType) || !CustomAttribute.AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes) || (attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
            {
                return(false);
            }
            RuntimeAssembly targetAssembly = (RuntimeAssembly)attributeType.Assembly;
            RuntimeAssembly sourceAssembly = (RuntimeAssembly)decoratedModule.Assembly;

            if ((Assembly)targetAssembly != lastAptcaOkAssembly && !RuntimeAssembly.AptcaCheck(targetAssembly, sourceAssembly))
            {
                return(false);
            }
            lastAptcaOkAssembly = (Assembly)sourceAssembly;
            ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);

            isVarArg          = ((uint)methodSignature[0] & 5U) > 0U;
            ctorHasParameters = (uint)methodSignature[1] > 0U;
            RuntimeTypeHandle runtimeTypeHandle1;

            if (ctorHasParameters)
            {
                ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), (int)caRecord.tkCtor);
            }
            else
            {
                // ISSUE: explicit reference operation
                // ISSUE: variable of a reference type
                IRuntimeMethodInfo& local = @ctor;
                runtimeTypeHandle1 = attributeType.GetTypeHandleInternal();
                IRuntimeMethodInfo defaultConstructor = runtimeTypeHandle1.GetDefaultConstructor();
예제 #9
0
 internal static unsafe CustomAttributeRecord[] GetCustomAttributeRecords(Module module, int targetToken)
 {
     MetadataImport metadataImport = module.MetadataImport;
     int count = metadataImport.EnumCustomAttributesCount(targetToken);
     int* result = stackalloc int[count];
     metadataImport.EnumCustomAttributes(targetToken, result, count);
     CustomAttributeRecord[] recordArray = new CustomAttributeRecord[count];
     for (int i = 0; i < count; i++)
     {
         metadataImport.GetCustomAttributeProps(result[i], out recordArray[i].tkCtor.Value, out recordArray[i].blob);
     }
     return recordArray;
 }
예제 #10
0
        [System.Security.SecurityCritical]  // auto-generated
        internal unsafe static CustomAttributeRecord[] GetCustomAttributeRecords(RuntimeModule module, int targetToken)
        {
            MetadataImport scope = module.MetadataImport;

            MetadataEnumResult tkCustomAttributeTokens;
            scope.EnumCustomAttributes(targetToken, out tkCustomAttributeTokens);

            CustomAttributeRecord[] records = new CustomAttributeRecord[tkCustomAttributeTokens.Length];

            for (int i = 0; i < records.Length; i++)
            {
                scope.GetCustomAttributeProps(
                    tkCustomAttributeTokens[i], out records[i].tkCtor.Value, out records[i].blob);
            }

            return records;
        }
예제 #11
0
        [System.Security.SecuritySafeCritical]  // auto-generated
        private CustomAttributeData(RuntimeModule scope, CustomAttributeRecord caRecord)
        {
            m_scope = scope;
            m_ctor = (RuntimeConstructorInfo)RuntimeType.GetMethodBase(scope, caRecord.tkCtor);

            ParameterInfo[] parameters = m_ctor.GetParametersNoCopy();            
            m_ctorParams = new CustomAttributeCtorParameter[parameters.Length];
            for (int i = 0; i < parameters.Length; i++)
                m_ctorParams[i] = new CustomAttributeCtorParameter(InitCustomAttributeType((RuntimeType)parameters[i].ParameterType));

            FieldInfo[] fields = m_ctor.DeclaringType.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
            PropertyInfo[] properties = m_ctor.DeclaringType.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
            m_namedParams = new CustomAttributeNamedParameter[properties.Length + fields.Length];
            for (int i = 0; i < fields.Length; i++)
                m_namedParams[i] = new CustomAttributeNamedParameter(
                    fields[i].Name, CustomAttributeEncoding.Field, InitCustomAttributeType((RuntimeType)fields[i].FieldType));
            for (int i = 0; i < properties.Length; i++)
                m_namedParams[i + fields.Length] = new CustomAttributeNamedParameter(
                    properties[i].Name, CustomAttributeEncoding.Property, InitCustomAttributeType((RuntimeType)properties[i].PropertyType));

            m_members = new MemberInfo[fields.Length + properties.Length];
            fields.CopyTo(m_members, 0);
            properties.CopyTo(m_members, fields.Length);

            CustomAttributeEncodedArgument.ParseAttributeArguments(caRecord.blob, ref m_ctorParams, ref m_namedParams, m_scope);
        }
        private static unsafe object[] GetCustomAttributes(RuntimeModule decoratedModule, int decoratedMetadataToken, int pcaCount, RuntimeType attributeFilterType, bool mustBeInheritable, IList derivedAttributes, bool isDecoratedTargetSecurityTransparent)
        {
            if (decoratedModule.Assembly.ReflectionOnly)
            {
                throw new InvalidOperationException(Environment.GetResourceString("Arg_ReflectionOnlyCA"));
            }
            MetadataImport metadataImport = decoratedModule.MetadataImport;

            CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(decoratedModule, decoratedMetadataToken);
            Type elementType = (((attributeFilterType == null) || attributeFilterType.IsValueType) || attributeFilterType.ContainsGenericParameters) ? typeof(object) : attributeFilterType;

            if ((attributeFilterType == null) && (customAttributeRecords.Length == 0))
            {
                return(CreateAttributeArrayHelper(elementType, 0));
            }
            object[]             attributes = CreateAttributeArrayHelper(elementType, customAttributeRecords.Length);
            int                  length     = 0;
            SecurityContextFrame frame      = new SecurityContextFrame();

            frame.Push(decoratedModule.GetRuntimeAssembly());
            Assembly lastAptcaOkAssembly = null;

            for (int i = 0; i < customAttributeRecords.Length; i++)
            {
                bool   flag2;
                bool   flag3;
                object obj2 = null;
                CustomAttributeRecord caRecord      = customAttributeRecords[i];
                IRuntimeMethodInfo    ctor          = null;
                RuntimeType           attributeType = null;
                int    namedArgs = 0;
                IntPtr signature = caRecord.blob.Signature;
                IntPtr blobEnd   = (IntPtr)(((void *)signature) + caRecord.blob.Length);
                int    num4      = (int)((long)((((void *)blobEnd) - ((void *)signature)) / 1));
                if (FilterCustomAttributeRecord(caRecord, metadataImport, ref lastAptcaOkAssembly, decoratedModule, decoratedMetadataToken, attributeFilterType, mustBeInheritable, attributes, derivedAttributes, out attributeType, out ctor, out flag2, out flag3))
                {
                    if (ctor != null)
                    {
                        RuntimeMethodHandle.CheckLinktimeDemands(ctor, decoratedModule, isDecoratedTargetSecurityTransparent);
                    }
                    RuntimeConstructorInfo.CheckCanCreateInstance(attributeType, flag3);
                    if (flag2)
                    {
                        obj2 = CreateCaObject(decoratedModule, ctor, ref signature, blobEnd, out namedArgs);
                    }
                    else
                    {
                        obj2 = RuntimeTypeHandle.CreateCaInstance(attributeType, ctor);
                        if (num4 == 0)
                        {
                            namedArgs = 0;
                        }
                        else
                        {
                            if (Marshal.ReadInt16(signature) != 1)
                            {
                                throw new CustomAttributeFormatException();
                            }
                            signature = (IntPtr)(((void *)signature) + 2);
                            namedArgs = Marshal.ReadInt16(signature);
                            signature = (IntPtr)(((void *)signature) + 2);
                        }
                    }
                    for (int j = 0; j < namedArgs; j++)
                    {
                        string      str;
                        bool        flag4;
                        RuntimeType type;
                        object      obj3;
                        IntPtr      ptr1 = caRecord.blob.Signature;
                        GetPropertyOrFieldData(decoratedModule, ref signature, blobEnd, out str, out flag4, out type, out obj3);
                        try
                        {
                            if (flag4)
                            {
                                if ((type == null) && (obj3 != null))
                                {
                                    type = (RuntimeType)obj3.GetType();
                                    if (type == Type_RuntimeType)
                                    {
                                        type = Type_Type;
                                    }
                                }
                                RuntimePropertyInfo property = null;
                                if (type == null)
                                {
                                    property = attributeType.GetProperty(str) as RuntimePropertyInfo;
                                }
                                else
                                {
                                    property = attributeType.GetProperty(str, type, Type.EmptyTypes) as RuntimePropertyInfo;
                                }
                                if (property == null)
                                {
                                    throw new CustomAttributeFormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString(flag4 ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), new object[] { str }));
                                }
                                RuntimeMethodInfo setMethod = property.GetSetMethod(true) as RuntimeMethodInfo;
                                if (setMethod.IsPublic)
                                {
                                    RuntimeMethodHandle.CheckLinktimeDemands(setMethod, decoratedModule, isDecoratedTargetSecurityTransparent);
                                    setMethod.Invoke(obj2, BindingFlags.Default, null, new object[] { obj3 }, null, true);
                                }
                            }
                            else
                            {
                                RtFieldInfo field = attributeType.GetField(str) as RtFieldInfo;
                                if (isDecoratedTargetSecurityTransparent)
                                {
                                    RuntimeFieldHandle.CheckAttributeAccess(field.FieldHandle, decoratedModule.GetNativeHandle());
                                }
                                field.InternalSetValue(obj2, obj3, BindingFlags.Default, Type.DefaultBinder, null, false);
                            }
                        }
                        catch (Exception exception)
                        {
                            throw new CustomAttributeFormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString(flag4 ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), new object[] { str }), exception);
                        }
                    }
                    if (!signature.Equals(blobEnd))
                    {
                        throw new CustomAttributeFormatException();
                    }
                    attributes[length++] = obj2;
                }
            }
            frame.Pop();
            if ((length == customAttributeRecords.Length) && (pcaCount == 0))
            {
                return(attributes);
            }
            object[] destinationArray = CreateAttributeArrayHelper(elementType, length + pcaCount);
            Array.Copy(attributes, 0, destinationArray, 0, length);
            return(destinationArray);
        }
예제 #13
0
        [System.Security.SecurityCritical]  // auto-generated
        private unsafe static bool FilterCustomAttributeRecord(
            CustomAttributeRecord caRecord,
            MetadataImport scope,
            ref Assembly lastAptcaOkAssembly, 
            RuntimeModule decoratedModule,
            MetadataToken decoratedToken,
            RuntimeType attributeFilterType,
            bool mustBeInheritable,
            object[] attributes,
            IList derivedAttributes,
            out RuntimeType attributeType,
            out IRuntimeMethodInfo ctor,
            out bool ctorHasParameters,
            out bool isVarArg)
        {
            ctor = null;
            attributeType = null;
            ctorHasParameters = false;
            isVarArg = false;
            
            IntPtr blobStart = caRecord.blob.Signature;
            IntPtr blobEnd = (IntPtr)((byte*)blobStart + caRecord.blob.Length);

#if FEATURE_LEGACYNETCF
            if (CompatibilitySwitches.IsAppEarlierThanWindowsPhone8) {
                try
                {
                    // Resolve attribute type from ctor parent token found in decorated decoratedModule scope
                    attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;
                }
                catch(Exception)
                {
                    return false;
                }
            }
            else
#endif
            // Resolve attribute type from ctor parent token found in decorated decoratedModule scope
            attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;


            // Test attribute type against user provided attribute type filter
            if (!(attributeFilterType.IsAssignableFrom(attributeType)))
                return false;

            // Ensure if attribute type must be inheritable that it is inhertiable
            // Ensure that to consider a duplicate attribute type AllowMultiple is true
            if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
                return false;

            // Windows Runtime attributes aren't real types - they exist to be read as metadata only, and as such
            // should be filtered out of the GetCustomAttributes path.
            if ((attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
            {
                return false;
            }

#if FEATURE_APTCA
            // APTCA checks
            RuntimeAssembly attributeAssembly = (RuntimeAssembly)attributeType.Assembly;
            RuntimeAssembly decoratedModuleAssembly = (RuntimeAssembly)decoratedModule.Assembly;

            if (attributeAssembly != lastAptcaOkAssembly && 
                !RuntimeAssembly.AptcaCheck(attributeAssembly, decoratedModuleAssembly))
                return false;

            // Cache last successful APTCA check (optimization)
            lastAptcaOkAssembly = decoratedModuleAssembly;
#endif // FEATURE_APTCA

            // Resolve the attribute ctor
            ConstArray ctorSig = scope.GetMethodSignature(caRecord.tkCtor);
            isVarArg = (ctorSig[0] & 0x05) != 0;
            ctorHasParameters = ctorSig[1] != 0;

            if (ctorHasParameters)
            {
                // Resolve method ctor token found in decorated decoratedModule scope
                ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), caRecord.tkCtor);
            }
            else
            {
                // Resolve method ctor token from decorated decoratedModule scope
                ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();

                if (ctor == null && !attributeType.IsValueType)
                    throw new MissingMethodException(".ctor");
            }

            // Visibility checks
            MetadataToken tkParent = new MetadataToken();
                
            if (decoratedToken.IsParamDef)
            {
                tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
                tkParent = new MetadataToken(scope.GetParentToken(tkParent));
            }               
            else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef) 
            {
                tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
            }
            else if (decoratedToken.IsTypeDef)
            {
                tkParent = decoratedToken;
            }
            else if (decoratedToken.IsGenericPar)
            {
                tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));

                // decoratedToken is a generic parameter on a method. Get the declaring Type of the method.
                if (tkParent.IsMethodDef)
                    tkParent = new MetadataToken(scope.GetParentToken(tkParent));
            }
            else
            {
                // We need to relax this when we add support for other types of decorated tokens.
                Contract.Assert(decoratedToken.IsModule || decoratedToken.IsAssembly, 
                                "The decoratedToken must be either an assembly, a module, a type, or a member.");
            }

            // If the attribute is on a type, member, or parameter we check access against the (declaring) type,
            // otherwise we check access against the module.
            RuntimeTypeHandle parentTypeHandle = tkParent.IsTypeDef ?
                                                    decoratedModule.ModuleHandle.ResolveTypeHandle(tkParent) :
                                                    new RuntimeTypeHandle();

            return RuntimeMethodHandle.IsCAVisibleFromDecoratedType(attributeType.TypeHandle, ctor, parentTypeHandle, decoratedModule);
        }
        internal unsafe static CustomAttributeRecord[] GetCustomAttributeRecords(Module module, int targetToken)
        {
            MetadataImport scope = module.MetadataImport;

            int cCustomAttributeTokens = scope.EnumCustomAttributesCount(targetToken);
            int* tkCustomAttributeTokens = stackalloc int[cCustomAttributeTokens];
            scope.EnumCustomAttributes(targetToken, tkCustomAttributeTokens, cCustomAttributeTokens);

            CustomAttributeRecord[] records = new CustomAttributeRecord[cCustomAttributeTokens];

            for (int i = 0; i < cCustomAttributeTokens; i++)
            {
                scope.GetCustomAttributeProps(
                    tkCustomAttributeTokens[i], out records[i].tkCtor.Value, out records[i].blob);
            }

            return records;
        }
        internal unsafe static bool FilterCustomAttributeRecord(
            CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, 
            Module decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable,
            object[] attributes, IList derivedAttributes,
            out RuntimeType attributeType, out RuntimeMethodHandle ctor, out bool ctorHasParameters, out bool isVarArg)
        {
            ctor = new RuntimeMethodHandle();
            attributeType = null;
            ctorHasParameters = false;
            isVarArg = false;
            
            IntPtr blobStart = caRecord.blob.Signature;
            IntPtr blobEnd = (IntPtr)((byte*)blobStart + caRecord.blob.Length);

            // Resolve attribute type from ctor parent token found in decorated decoratedModule scope
            attributeType = decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType;

            // Test attribute type against user provided attribute type filter
            if (!(attributeFilterType.IsAssignableFrom(attributeType)))
                return false;

            if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
                return false;

            // APTCA checks
            if (attributeType.Assembly != lastAptcaOkAssembly && 
                !attributeType.Assembly.AptcaCheck(decoratedModule.Assembly))
                return false;

            // Cache last successful APTCA check (optimization)
            lastAptcaOkAssembly = decoratedModule.Assembly;

            // Resolve the attribute ctor
            ConstArray ctorSig = scope.GetMethodSignature(caRecord.tkCtor);
            isVarArg = (ctorSig[0] & 0x05) != 0;
            ctorHasParameters = ctorSig[1] != 0;

            if (ctorHasParameters)
            {
                // Resolve method ctor token found in decorated decoratedModule scope
                ctor = decoratedModule.ModuleHandle.ResolveMethodHandle(caRecord.tkCtor);
            }
            else
            {
                // Resolve method ctor token from decorated decoratedModule scope
                ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();

                if (ctor.IsNullHandle() && !attributeType.IsValueType)
                    throw new MissingMethodException(".ctor");
            }

            // Visibility checks
            if (ctor.IsNullHandle())
            {
                if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule.ModuleHandle))
                    return false;            
                
                return true;
            }
            
            if (ctor.IsVisibleFromModule(decoratedModule))
                return true;
            
            MetadataToken tkParent = new MetadataToken();
                
            if (decoratedToken.IsParamDef)
            {
                tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
                tkParent = new MetadataToken(scope.GetParentToken(tkParent));
            }               
            else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef) 
            {
                tkParent = new MetadataToken(scope.GetParentToken(decoratedToken));
            }
            else if (decoratedToken.IsTypeDef)
            {
                tkParent = decoratedToken;
            }
            
            if (tkParent.IsTypeDef)
                return ctor.IsVisibleFromType(decoratedModule.ModuleHandle.ResolveTypeHandle(tkParent));
            
            return false;
        }
예제 #16
0
 internal static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, Module decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out RuntimeMethodHandle ctor, out bool ctorHasParameters, out bool isVarArg)
 {
     ctor = new RuntimeMethodHandle();
     attributeType = null;
     ctorHasParameters = false;
     isVarArg = false;
     IntPtr ptr1 = (IntPtr) (((void*) caRecord.blob.Signature) + caRecord.blob.Length);
     attributeType = decoratedModule.ResolveType(scope.GetParentToken((int) caRecord.tkCtor), null, null) as RuntimeType;
     if (!attributeFilterType.IsAssignableFrom(attributeType))
     {
         return false;
     }
     if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
     {
         return false;
     }
     if ((attributeType.Assembly != lastAptcaOkAssembly) && !attributeType.Assembly.AptcaCheck(decoratedModule.Assembly))
     {
         return false;
     }
     lastAptcaOkAssembly = decoratedModule.Assembly;
     ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);
     isVarArg = (methodSignature[0] & 5) != 0;
     ctorHasParameters = methodSignature[1] != 0;
     if (ctorHasParameters)
     {
         ctor = decoratedModule.ModuleHandle.ResolveMethodHandle((int) caRecord.tkCtor);
     }
     else
     {
         ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
         if (ctor.IsNullHandle() && !attributeType.IsValueType)
         {
             throw new MissingMethodException(".ctor");
         }
     }
     if (ctor.IsNullHandle())
     {
         if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule.ModuleHandle))
         {
             return false;
         }
         return true;
     }
     if (ctor.IsVisibleFromModule(decoratedModule))
     {
         return true;
     }
     MetadataToken token = new MetadataToken();
     if (decoratedToken.IsParamDef)
     {
         token = new MetadataToken(scope.GetParentToken((int) decoratedToken));
         token = new MetadataToken(scope.GetParentToken((int) token));
     }
     else if ((decoratedToken.IsMethodDef || decoratedToken.IsProperty) || (decoratedToken.IsEvent || decoratedToken.IsFieldDef))
     {
         token = new MetadataToken(scope.GetParentToken((int) decoratedToken));
     }
     else if (decoratedToken.IsTypeDef)
     {
         token = decoratedToken;
     }
     return (token.IsTypeDef && ctor.IsVisibleFromType(decoratedModule.ModuleHandle.ResolveTypeHandle((int) token)));
 }
        private static unsafe bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
        {
            ctor              = null;
            attributeType     = null;
            ctorHasParameters = false;
            isVarArg          = false;
            IntPtr ptr1 = (IntPtr)(((void *)caRecord.blob.Signature) + caRecord.blob.Length);

            attributeType = decoratedModule.ResolveType(scope.GetParentToken((int)caRecord.tkCtor), null, null) as RuntimeType;
            if (!attributeFilterType.IsAssignableFrom(attributeType))
            {
                return(false);
            }
            if (!AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
            {
                return(false);
            }
            RuntimeAssembly targetAssembly = (RuntimeAssembly)attributeType.Assembly;
            RuntimeAssembly assembly       = (RuntimeAssembly)decoratedModule.Assembly;

            if ((targetAssembly != lastAptcaOkAssembly) && !RuntimeAssembly.AptcaCheck(targetAssembly, assembly))
            {
                return(false);
            }
            lastAptcaOkAssembly = assembly;
            ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);

            isVarArg          = (methodSignature[0] & 5) != 0;
            ctorHasParameters = methodSignature[1] != 0;
            if (ctorHasParameters)
            {
                ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), (int)caRecord.tkCtor);
            }
            else
            {
                ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
                if ((ctor == null) && !attributeType.IsValueType)
                {
                    throw new MissingMethodException(".ctor");
                }
            }
            if (ctor == null)
            {
                if (!attributeType.IsVisible && !attributeType.TypeHandle.IsVisibleFromModule(decoratedModule))
                {
                    return(false);
                }
                return(true);
            }
            if (RuntimeMethodHandle.IsVisibleFromModule(ctor, decoratedModule))
            {
                return(true);
            }
            MetadataToken token = new MetadataToken();

            if (decoratedToken.IsParamDef)
            {
                token = new MetadataToken(scope.GetParentToken((int)decoratedToken));
                token = new MetadataToken(scope.GetParentToken((int)token));
            }
            else if ((decoratedToken.IsMethodDef || decoratedToken.IsProperty) || (decoratedToken.IsEvent || decoratedToken.IsFieldDef))
            {
                token = new MetadataToken(scope.GetParentToken((int)decoratedToken));
            }
            else if (decoratedToken.IsTypeDef)
            {
                token = decoratedToken;
            }
            return(token.IsTypeDef && RuntimeMethodHandle.IsVisibleFromType(ctor, decoratedModule.ModuleHandle.ResolveTypeHandle((int)token)));
        }
예제 #18
0
        private static unsafe object[] GetCustomAttributes(RuntimeModule decoratedModule, int decoratedMetadataToken, int pcaCount, RuntimeType attributeFilterType, bool mustBeInheritable, IList derivedAttributes, bool isDecoratedTargetSecurityTransparent)
        {
            if (decoratedModule.Assembly.ReflectionOnly)
            {
                throw new InvalidOperationException(Environment.GetResourceString("Arg_ReflectionOnlyCA"));
            }
            MetadataImport metadataImport = decoratedModule.MetadataImport;

            CustomAttributeRecord[] attributeRecords = CustomAttributeData.GetCustomAttributeRecords(decoratedModule, decoratedMetadataToken);
            Type elementType = (attributeFilterType == (RuntimeType)null || attributeFilterType.IsValueType ? 1 : (attributeFilterType.ContainsGenericParameters ? 1 : 0)) != 0 ? typeof(object) : (Type)attributeFilterType;

            if (attributeFilterType == (RuntimeType)null && attributeRecords.Length == 0)
            {
                return(CustomAttribute.CreateAttributeArrayHelper(elementType, 0));
            }
            object[]             attributeArrayHelper1 = CustomAttribute.CreateAttributeArrayHelper(elementType, attributeRecords.Length);
            int                  length = 0;
            SecurityContextFrame securityContextFrame = new SecurityContextFrame();

            securityContextFrame.Push(decoratedModule.GetRuntimeAssembly());
            Assembly lastAptcaOkAssembly = (Assembly)null;

            for (int index1 = 0; index1 < attributeRecords.Length; ++index1)
            {
                CustomAttributeRecord caRecord      = attributeRecords[index1];
                IRuntimeMethodInfo    ctor          = (IRuntimeMethodInfo)null;
                RuntimeType           attributeType = (RuntimeType)null;
                int    namedArgs = 0;
                IntPtr ptr1      = caRecord.blob.Signature;
                IntPtr blobEnd   = (IntPtr)((void *)((IntPtr)(void *)ptr1 + caRecord.blob.Length));
                int    num       = (int)((sbyte *)(void *)blobEnd - (sbyte *)(void *)ptr1);
                bool   ctorHasParameters;
                bool   isVarArg;
                if (CustomAttribute.FilterCustomAttributeRecord(caRecord, metadataImport, ref lastAptcaOkAssembly, decoratedModule, (MetadataToken)decoratedMetadataToken, attributeFilterType, mustBeInheritable, attributeArrayHelper1, derivedAttributes, out attributeType, out ctor, out ctorHasParameters, out isVarArg))
                {
                    if (ctor != null)
                    {
                        RuntimeMethodHandle.CheckLinktimeDemands(ctor, decoratedModule, isDecoratedTargetSecurityTransparent);
                    }
                    RuntimeConstructorInfo.CheckCanCreateInstance((Type)attributeType, isVarArg);
                    object target;
                    if (ctorHasParameters)
                    {
                        target = CustomAttribute.CreateCaObject(decoratedModule, ctor, ref ptr1, blobEnd, out namedArgs);
                    }
                    else
                    {
                        target = RuntimeTypeHandle.CreateCaInstance(attributeType, ctor);
                        if (num == 0)
                        {
                            namedArgs = 0;
                        }
                        else
                        {
                            if ((int)Marshal.ReadInt16(ptr1) != 1)
                            {
                                throw new CustomAttributeFormatException();
                            }
                            IntPtr ptr2 = (IntPtr)((void *)((IntPtr)(void *)ptr1 + 2));
                            namedArgs = (int)Marshal.ReadInt16(ptr2);
                            ptr1      = (IntPtr)((void *)((IntPtr)(void *)ptr2 + 2));
                        }
                    }
                    for (int index2 = 0; index2 < namedArgs; ++index2)
                    {
                        IntPtr      signature = caRecord.blob.Signature;
                        string      name;
                        bool        isProperty;
                        RuntimeType type;
                        object      obj;
                        CustomAttribute.GetPropertyOrFieldData(decoratedModule, ref ptr1, blobEnd, out name, out isProperty, out type, out obj);
                        try
                        {
                            if (isProperty)
                            {
                                if (type == (RuntimeType)null && obj != null)
                                {
                                    type = (RuntimeType)obj.GetType();
                                    if (type == CustomAttribute.Type_RuntimeType)
                                    {
                                        type = CustomAttribute.Type_Type;
                                    }
                                }
                                RuntimePropertyInfo runtimePropertyInfo = !(type == (RuntimeType)null) ? attributeType.GetProperty(name, (Type)type, Type.EmptyTypes) as RuntimePropertyInfo : attributeType.GetProperty(name) as RuntimePropertyInfo;
                                if ((PropertyInfo)runtimePropertyInfo == (PropertyInfo)null)
                                {
                                    throw new CustomAttributeFormatException(string.Format((IFormatProvider)CultureInfo.CurrentUICulture, Environment.GetResourceString(isProperty ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), (object)name));
                                }
                                RuntimeMethodInfo runtimeMethodInfo = runtimePropertyInfo.GetSetMethod(true) as RuntimeMethodInfo;
                                if (runtimeMethodInfo.IsPublic)
                                {
                                    RuntimeMethodHandle.CheckLinktimeDemands((IRuntimeMethodInfo)runtimeMethodInfo, decoratedModule, isDecoratedTargetSecurityTransparent);
                                    runtimeMethodInfo.UnsafeInvoke(target, BindingFlags.Default, (Binder)null, new object[1] {
                                        obj
                                    }, (CultureInfo)null);
                                }
                            }
                            else
                            {
                                RtFieldInfo rtFieldInfo = attributeType.GetField(name) as RtFieldInfo;
                                if (isDecoratedTargetSecurityTransparent)
                                {
                                    RuntimeFieldHandle.CheckAttributeAccess(rtFieldInfo.FieldHandle, decoratedModule.GetNativeHandle());
                                }
                                rtFieldInfo.CheckConsistency(target);
                                rtFieldInfo.UnsafeSetValue(target, obj, BindingFlags.Default, Type.DefaultBinder, (CultureInfo)null);
                            }
                        }
                        catch (Exception ex)
                        {
                            throw new CustomAttributeFormatException(string.Format((IFormatProvider)CultureInfo.CurrentUICulture, Environment.GetResourceString(isProperty ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), (object)name), ex);
                        }
                    }
                    if (!ptr1.Equals((object)blobEnd))
                    {
                        throw new CustomAttributeFormatException();
                    }
                    attributeArrayHelper1[length++] = target;
                }
            }
            securityContextFrame.Pop();
            if (length == attributeRecords.Length && pcaCount == 0)
            {
                return(attributeArrayHelper1);
            }
            object[] attributeArrayHelper2 = CustomAttribute.CreateAttributeArrayHelper(elementType, length + pcaCount);
            Array.Copy((Array)attributeArrayHelper1, 0, (Array)attributeArrayHelper2, 0, length);
            return(attributeArrayHelper2);
        }
        private unsafe static bool FilterCustomAttributeRecord(CustomAttributeRecord caRecord, MetadataImport scope, ref Assembly lastAptcaOkAssembly, RuntimeModule decoratedModule, MetadataToken decoratedToken, RuntimeType attributeFilterType, bool mustBeInheritable, object[] attributes, IList derivedAttributes, out RuntimeType attributeType, out IRuntimeMethodInfo ctor, out bool ctorHasParameters, out bool isVarArg)
        {
            ctor              = null;
            attributeType     = null;
            ctorHasParameters = false;
            isVarArg          = false;
            IntPtr signature = caRecord.blob.Signature;
            IntPtr intPtr    = (IntPtr)((void *)((byte *)((void *)signature) + caRecord.blob.Length));

            attributeType = (decoratedModule.ResolveType(scope.GetParentToken(caRecord.tkCtor), null, null) as RuntimeType);
            if (!attributeFilterType.IsAssignableFrom(attributeType))
            {
                return(false);
            }
            if (!CustomAttribute.AttributeUsageCheck(attributeType, mustBeInheritable, attributes, derivedAttributes))
            {
                return(false);
            }
            if ((attributeType.Attributes & TypeAttributes.WindowsRuntime) == TypeAttributes.WindowsRuntime)
            {
                return(false);
            }
            RuntimeAssembly runtimeAssembly  = (RuntimeAssembly)attributeType.Assembly;
            RuntimeAssembly runtimeAssembly2 = (RuntimeAssembly)decoratedModule.Assembly;

            if (runtimeAssembly != lastAptcaOkAssembly && !RuntimeAssembly.AptcaCheck(runtimeAssembly, runtimeAssembly2))
            {
                return(false);
            }
            lastAptcaOkAssembly = runtimeAssembly2;
            ConstArray methodSignature = scope.GetMethodSignature(caRecord.tkCtor);

            isVarArg          = ((methodSignature[0] & 5) > 0);
            ctorHasParameters = (methodSignature[1] > 0);
            if (ctorHasParameters)
            {
                ctor = ModuleHandle.ResolveMethodHandleInternal(decoratedModule.GetNativeHandle(), caRecord.tkCtor);
            }
            else
            {
                ctor = attributeType.GetTypeHandleInternal().GetDefaultConstructor();
                if (ctor == null && !attributeType.IsValueType)
                {
                    throw new MissingMethodException(".ctor");
                }
            }
            MetadataToken token = default(MetadataToken);

            if (decoratedToken.IsParamDef)
            {
                token = new MetadataToken(scope.GetParentToken(decoratedToken));
                token = new MetadataToken(scope.GetParentToken(token));
            }
            else if (decoratedToken.IsMethodDef || decoratedToken.IsProperty || decoratedToken.IsEvent || decoratedToken.IsFieldDef)
            {
                token = new MetadataToken(scope.GetParentToken(decoratedToken));
            }
            else if (decoratedToken.IsTypeDef)
            {
                token = decoratedToken;
            }
            else if (decoratedToken.IsGenericPar)
            {
                token = new MetadataToken(scope.GetParentToken(decoratedToken));
                if (token.IsMethodDef)
                {
                    token = new MetadataToken(scope.GetParentToken(token));
                }
            }
            RuntimeTypeHandle sourceTypeHandle = token.IsTypeDef ? decoratedModule.ModuleHandle.ResolveTypeHandle(token) : default(RuntimeTypeHandle);

            return(RuntimeMethodHandle.IsCAVisibleFromDecoratedType(attributeType.TypeHandle, ctor, sourceTypeHandle, decoratedModule));
        }
        private unsafe static object[] GetCustomAttributes(RuntimeModule decoratedModule, int decoratedMetadataToken, int pcaCount, RuntimeType attributeFilterType, bool mustBeInheritable, IList derivedAttributes, bool isDecoratedTargetSecurityTransparent)
        {
            if (decoratedModule.Assembly.ReflectionOnly)
            {
                throw new InvalidOperationException(Environment.GetResourceString("Arg_ReflectionOnlyCA"));
            }
            MetadataImport metadataImport = decoratedModule.MetadataImport;

            CustomAttributeRecord[] customAttributeRecords = CustomAttributeData.GetCustomAttributeRecords(decoratedModule, decoratedMetadataToken);
            Type elementType = (attributeFilterType == null || attributeFilterType.IsValueType || attributeFilterType.ContainsGenericParameters) ? typeof(object) : attributeFilterType;

            if (attributeFilterType == null && customAttributeRecords.Length == 0)
            {
                return(CustomAttribute.CreateAttributeArrayHelper(elementType, 0));
            }
            object[]             array = CustomAttribute.CreateAttributeArrayHelper(elementType, customAttributeRecords.Length);
            int                  num   = 0;
            SecurityContextFrame securityContextFrame = default(SecurityContextFrame);

            securityContextFrame.Push(decoratedModule.GetRuntimeAssembly());
            Assembly assembly = null;

            for (int i = 0; i < customAttributeRecords.Length; i++)
            {
                object obj = null;
                CustomAttributeRecord caRecord          = customAttributeRecords[i];
                IRuntimeMethodInfo    runtimeMethodInfo = null;
                RuntimeType           runtimeType       = null;
                int    num2    = 0;
                IntPtr intPtr  = caRecord.blob.Signature;
                IntPtr intPtr2 = (IntPtr)((void *)((byte *)((void *)intPtr) + caRecord.blob.Length));
                int    num3    = (int)((long)((byte *)((void *)intPtr2) - (byte *)((void *)intPtr)));
                bool   flag;
                bool   isVarArg;
                if (CustomAttribute.FilterCustomAttributeRecord(caRecord, metadataImport, ref assembly, decoratedModule, decoratedMetadataToken, attributeFilterType, mustBeInheritable, array, derivedAttributes, out runtimeType, out runtimeMethodInfo, out flag, out isVarArg))
                {
                    if (runtimeMethodInfo != null)
                    {
                        RuntimeMethodHandle.CheckLinktimeDemands(runtimeMethodInfo, decoratedModule, isDecoratedTargetSecurityTransparent);
                    }
                    RuntimeConstructorInfo.CheckCanCreateInstance(runtimeType, isVarArg);
                    if (flag)
                    {
                        obj = CustomAttribute.CreateCaObject(decoratedModule, runtimeMethodInfo, ref intPtr, intPtr2, out num2);
                    }
                    else
                    {
                        obj = RuntimeTypeHandle.CreateCaInstance(runtimeType, runtimeMethodInfo);
                        if (num3 == 0)
                        {
                            num2 = 0;
                        }
                        else
                        {
                            if (Marshal.ReadInt16(intPtr) != 1)
                            {
                                throw new CustomAttributeFormatException();
                            }
                            intPtr = (IntPtr)((void *)((byte *)((void *)intPtr) + 2));
                            num2   = (int)Marshal.ReadInt16(intPtr);
                            intPtr = (IntPtr)((void *)((byte *)((void *)intPtr) + 2));
                        }
                    }
                    for (int j = 0; j < num2; j++)
                    {
                        IntPtr      signature = caRecord.blob.Signature;
                        string      text;
                        bool        flag2;
                        RuntimeType runtimeType2;
                        object      obj2;
                        CustomAttribute.GetPropertyOrFieldData(decoratedModule, ref intPtr, intPtr2, out text, out flag2, out runtimeType2, out obj2);
                        try
                        {
                            if (flag2)
                            {
                                if (runtimeType2 == null && obj2 != null)
                                {
                                    runtimeType2 = (RuntimeType)obj2.GetType();
                                    if (runtimeType2 == CustomAttribute.Type_RuntimeType)
                                    {
                                        runtimeType2 = CustomAttribute.Type_Type;
                                    }
                                }
                                RuntimePropertyInfo runtimePropertyInfo;
                                if (runtimeType2 == null)
                                {
                                    runtimePropertyInfo = (runtimeType.GetProperty(text) as RuntimePropertyInfo);
                                }
                                else
                                {
                                    runtimePropertyInfo = (runtimeType.GetProperty(text, runtimeType2, Type.EmptyTypes) as RuntimePropertyInfo);
                                }
                                if (runtimePropertyInfo == null)
                                {
                                    throw new CustomAttributeFormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString(flag2 ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), text));
                                }
                                RuntimeMethodInfo runtimeMethodInfo2 = runtimePropertyInfo.GetSetMethod(true) as RuntimeMethodInfo;
                                if (runtimeMethodInfo2.IsPublic)
                                {
                                    RuntimeMethodHandle.CheckLinktimeDemands(runtimeMethodInfo2, decoratedModule, isDecoratedTargetSecurityTransparent);
                                    runtimeMethodInfo2.UnsafeInvoke(obj, BindingFlags.Default, null, new object[]
                                    {
                                        obj2
                                    }, null);
                                }
                            }
                            else
                            {
                                RtFieldInfo rtFieldInfo = runtimeType.GetField(text) as RtFieldInfo;
                                if (isDecoratedTargetSecurityTransparent)
                                {
                                    RuntimeFieldHandle.CheckAttributeAccess(rtFieldInfo.FieldHandle, decoratedModule.GetNativeHandle());
                                }
                                rtFieldInfo.CheckConsistency(obj);
                                rtFieldInfo.UnsafeSetValue(obj, obj2, BindingFlags.Default, Type.DefaultBinder, null);
                            }
                        }
                        catch (Exception inner)
                        {
                            throw new CustomAttributeFormatException(string.Format(CultureInfo.CurrentUICulture, Environment.GetResourceString(flag2 ? "RFLCT.InvalidPropFail" : "RFLCT.InvalidFieldFail"), text), inner);
                        }
                    }
                    if (!intPtr.Equals(intPtr2))
                    {
                        throw new CustomAttributeFormatException();
                    }
                    array[num++] = obj;
                }
            }
            securityContextFrame.Pop();
            if (num == customAttributeRecords.Length && pcaCount == 0)
            {
                return(array);
            }
            object[] array2 = CustomAttribute.CreateAttributeArrayHelper(elementType, num + pcaCount);
            Array.Copy(array, 0, array2, 0, num);
            return(array2);
        }