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);
}
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);
}
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);
}
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);
}
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);
}
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();
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;
}
[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;
}
[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);
}
[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;
}
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)));
}
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);
}