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);
        }
Ejemplo n.º 2
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 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);
        }