private IMessage CrossCtxInvoke(IMessage reqMsg)
{
IMessage message = null;
this.AssertValid();
message = this.HandleDispose(reqMsg);
if (message != null)
{
return(message);
}
message = this.HandleSetCOMIUnknown(reqMsg);
if (message != null)
{
return(message);
}
message = this.HandleSpecialMethods(reqMsg);
if (message != null)
{
return(message);
}
object transparentProxy = this.GetTransparentProxy();
MethodBase methodBase = ((IMethodMessage)reqMsg).MethodBase;
MemberInfo mi = methodBase;
MemberInfo mb = mi;
MemberInfo info3 = null;
MemberInfo m = ReflectionCache.ConvertToClassMI(base.GetProxiedType(), mi);
bool fIsAutoDone = false;
int num = ServicedComponentInfo.MICachedLookup(m);
if (reqMsg is IConstructionCallMessage)
{
ComMemberType method = ComMemberType.Method;
mb = Marshal.GetMethodInfoForComSlot(typeof(IManagedObject), 3, ref method);
}
else
{
info3 = this.AliasCall(methodBase as MethodInfo);
if (info3 != null)
{
mb = info3;
}
else if (this._fUseIntfDispatch || ((num & 4) != 0))
{
mb = ReflectionCache.ConvertToInterfaceMI(mi);
if (mb == null)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
}
else
{
fIsAutoDone = (num & 2) != 0;
}
}
return(this._callback.DoCallback(transparentProxy, reqMsg, this._context, fIsAutoDone, mb, this._gitCookie != 0));
}
private void CheckMethodAccess(IMessage request)
{
MethodBase mi = null;
MethodBase m = null;
IMethodMessage message = request as IMethodMessage;
if (message == null)
{
throw new UnauthorizedAccessException();
}
mi = message.MethodBase;
m = ReflectionCache.ConvertToClassMI(base.GetType(), mi) as MethodBase;
if (m == null)
{
throw new UnauthorizedAccessException();
}
if (ServicedComponentInfo.HasSpecialMethodAttributes(m))
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
if ((!mi.IsPublic || mi.IsStatic) && !IsMethodAllowedRemotely(mi))
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
Type declaringType = mi.DeclaringType;
if (!declaringType.IsPublic && !declaringType.IsNestedPublic)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
for (declaringType = mi.DeclaringType.DeclaringType; declaringType != null; declaringType = declaringType.DeclaringType)
{
if (!declaringType.IsPublic && !declaringType.IsNestedPublic)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
}
}
// Implement Invoke
public override IMessage Invoke(IMessage reqMsg)
{
AssertValid();
IMessage retMsg = null;
// CHECK FOR CTOR
if (reqMsg is IConstructionCallMessage)
{
DBG.Info(DBG.SC, "RSCP: Short circuiting constructor call.");
if (((IConstructionCallMessage)reqMsg).ArgCount > 0)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_ConstructorArguments"));
}
// WE don't need dispatch the constructor message, the default .ctor is called
// by CoCI
// Create the return message
MarshalByRefObject retObj = (MarshalByRefObject)GetTransparentProxy();
return(EnterpriseServicesHelper.CreateConstructionReturnMessage((IConstructionCallMessage)reqMsg, retObj));
}
// NON CTOR MESSAGE
MethodBase mb = ((IMethodMessage)reqMsg).MethodBase;
MemberInfo m = (MemberInfo)mb;
DBG.Assert(m != null, "member info should not be null");
if (mb == _getTypeMethod)
{
DBG.Info(DBG.SC, "RSCP: Hijacking call to GetType");
IMethodCallMessage mcm = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(ProxiedType, null, 0, mcm.LogicalCallContext, mcm));
}
if (mb == _getHashCodeMethod)
{
int hashCode = this.GetHashCode();
DBG.Info(DBG.SC, "RSCP: Hijacking call to GetHashCode, returning " + hashCode);
IMethodCallMessage mcm = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(hashCode, null, 0, mcm.LogicalCallContext, mcm));
}
DBG.Info(DBG.SC, "RSCP: Delivering call to " + mb.Name);
// convert to class member info
MemberInfo clsMemInfo = ReflectionCache.ConvertToClassMI(ProxiedType, m);
DBG.Assert(!clsMemInfo.ReflectedType.IsInterface,
"Failed to convert interface member info to class member info");
// dispatch the call
#if _DEBUG
if (clsMemInfo != m)
{
DBG.Info(DBG.SC, "RSCP: converted interface to class call: " + clsMemInfo.Name);
}
#endif
try
{
int iMethodInfo;
// check for rolebased security
if (_fUseIntfDispatch ||
(((iMethodInfo = ServicedComponentInfo.MICachedLookup(clsMemInfo)) & ServicedComponentInfo.MI_HASSPECIALATTRIBUTES) != 0) ||
((iMethodInfo & ServicedComponentInfo.MI_EXECUTEMESSAGEVALID) != 0)
)
{
// role based security implies we dispatch through an interface
MemberInfo intfMemInfo = ReflectionCache.ConvertToInterfaceMI(m);
if (intfMemInfo == null)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
//retMsg = EnterpriseServicesHelper.DispatchRemoteCall(reqMsg, intfMemInfo, _server);
MethodCallMessageWrapperEx msgex = new MethodCallMessageWrapperEx((IMethodCallMessage)reqMsg, (MethodBase)intfMemInfo);
retMsg = RemotingServices.ExecuteMessage((MarshalByRefObject)_server, (IMethodCallMessage)msgex);
}
else
{
// check for AutoDone
bool fAutoDone = (iMethodInfo & ServicedComponentInfo.MI_AUTODONE) != 0;
String s = ComponentServices.ConvertToString(reqMsg);
IRemoteDispatch iremDisp = (IRemoteDispatch)_server;
String sret;
if (fAutoDone)
{
sret = iremDisp.RemoteDispatchAutoDone(s);
}
else
{
sret = iremDisp.RemoteDispatchNotAutoDone(s);
}
retMsg = ComponentServices.ConvertToReturnMessage(sret, reqMsg);
}
}
catch (COMException e)
{
if (!(e.ErrorCode == Util.CONTEXT_E_ABORTED || e.ErrorCode == Util.CONTEXT_E_ABORTING))
{
throw;
}
if (IsDisposeRequest(reqMsg))
{
IMethodCallMessage mcm = reqMsg as IMethodCallMessage;
retMsg = new ReturnMessage(null, null, 0, mcm.LogicalCallContext, mcm);
}
else
{
throw;
}
}
// if disposing, we need to release this side of the world.
if (IsDisposeRequest(reqMsg))
{
Dispose(true);
}
return(retMsg);
}
private void CheckMethodAccess(IMessage request)
{
MethodBase reqmethod = null; // Method from the request
MethodBase implmethod = null; // The implementation we will dispatch on.
IMethodMessage call = request as IMethodMessage;
if (call == null)
{
throw new UnauthorizedAccessException();
}
reqmethod = call.MethodBase;
// Make sure we investigate the implementation, not the interface
// for attributes (such as SecureMethod)
implmethod = ReflectionCache.ConvertToClassMI(GetType(), reqmethod) as MethodBase;
if (implmethod == null)
{
throw new UnauthorizedAccessException();
}
// Check implementation for dispatch attributes
if (ServicedComponentInfo.HasSpecialMethodAttributes(implmethod))
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
// Verify the method is not private, internal, or static. Use
// the method that's being requested here, in case it's an
// explicit interface implementation (they're all private).
if (!reqmethod.IsPublic || reqmethod.IsStatic)
{
// If this is a special method (such as the FieldGetter or Setter, thne
// go ahead and let it through.
if (!IsMethodAllowedRemotely(reqmethod))
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
}
// Make sure that the type we're invoking on is public! This
// covers invokes on public methods of internal interfaces.
Type reqtype = reqmethod.DeclaringType;
if (!reqtype.IsPublic && !reqtype.IsNestedPublic)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
// Deal with nested types! Get the declaring type of the method,
// and then get the outer type that declared that. It'll be
// non-null if this is a nested type.
reqtype = reqmethod.DeclaringType.DeclaringType;
while (reqtype != null)
{
if (!reqtype.IsPublic && !reqtype.IsNestedPublic)
{
throw new UnauthorizedAccessException(Resource.FormatString("ServicedComponentException_SecurityNoPrivateAccess"));
}
reqtype = reqtype.DeclaringType;
}
}
public override IMessage Invoke(IMessage reqMsg)
{
this.AssertValid();
IMessage message = null;
if (reqMsg is IConstructionCallMessage)
{
if (((IConstructionCallMessage)reqMsg).ArgCount > 0)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_ConstructorArguments"));
}
MarshalByRefObject transparentProxy = (MarshalByRefObject)this.GetTransparentProxy();
return(EnterpriseServicesHelper.CreateConstructionReturnMessage((IConstructionCallMessage)reqMsg, transparentProxy));
}
MethodBase methodBase = ((IMethodMessage)reqMsg).MethodBase;
MemberInfo mi = methodBase;
if (methodBase == _getTypeMethod)
{
IMethodCallMessage mcm = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(this.ProxiedType, null, 0, mcm.LogicalCallContext, mcm));
}
if (methodBase == _getHashCodeMethod)
{
int hashCode = this.GetHashCode();
IMethodCallMessage message3 = (IMethodCallMessage)reqMsg;
return(new ReturnMessage(hashCode, null, 0, message3.LogicalCallContext, message3));
}
if (methodBase == _isInstanceOfTypeMethod)
{
IMethodCallMessage message4 = (IMethodCallMessage)reqMsg;
Type inArg = (Type)message4.GetInArg(0);
return(new ReturnMessage(inArg.IsInstanceOfType(this.ProxiedType), null, 0, message4.LogicalCallContext, message4));
}
MemberInfo m = ReflectionCache.ConvertToClassMI(this.ProxiedType, mi);
try
{
int num2;
if ((this._fUseIntfDispatch || (((num2 = ServicedComponentInfo.MICachedLookup(m)) & 4) != 0)) || ((num2 & 8) != 0))
{
MemberInfo info3 = ReflectionCache.ConvertToInterfaceMI(mi);
if (info3 == null)
{
throw new ServicedComponentException(Resource.FormatString("ServicedComponentException_SecurityMapping"));
}
MethodCallMessageWrapperEx ex = new MethodCallMessageWrapperEx((IMethodCallMessage)reqMsg, (MethodBase)info3);
message = RemotingServices.ExecuteMessage((MarshalByRefObject)this._server, ex);
}
else
{
string str2;
bool flag = (num2 & 2) != 0;
string s = ComponentServices.ConvertToString(reqMsg);
IRemoteDispatch dispatch = (IRemoteDispatch)this._server;
if (flag)
{
str2 = dispatch.RemoteDispatchAutoDone(s);
}
else
{
str2 = dispatch.RemoteDispatchNotAutoDone(s);
}
message = ComponentServices.ConvertToReturnMessage(str2, reqMsg);
}
}
catch (COMException exception)
{
if ((exception.ErrorCode != -2147164158) && (exception.ErrorCode != -2147164157))
{
throw;
}
if (!this.IsDisposeRequest(reqMsg))
{
throw;
}
IMethodCallMessage message5 = reqMsg as IMethodCallMessage;
message = new ReturnMessage(null, null, 0, message5.LogicalCallContext, message5);
}
if (this.IsDisposeRequest(reqMsg))
{
this.Dispose(true);
}
return(message);
}