public static int CalculateSizeOfbfObject(SimpleBinaryFormatterRootObject inBinaryFormatterRootObject)
{
int size = 17; // fized header size
foreach (SimpleBinaryFormatterObject bfObj in inBinaryFormatterRootObject.binaryFormatterObjects)
{
if (bfObj.typeBytes != null)
size += bfObj.typeBytes.Length;
if (bfObj.valueBytes != null)
size += bfObj.valueBytes.Length;
}
return size;
}
public static MemoryStream SimpleBinaryFormatterRootObjectToStream(SimpleBinaryFormatterRootObject inBinaryFormatterRootObject)
{
int fullsize = CalculateSizeOfbfObject(inBinaryFormatterRootObject);
MemoryStream ms = new MemoryStream(fullsize);
ms.Write(inBinaryFormatterRootObject.headerBytes, 0, inBinaryFormatterRootObject.headerBytes.Length);
foreach (SimpleBinaryFormatterObject bfObj in inBinaryFormatterRootObject.binaryFormatterObjects)
{
if (bfObj.typeBytes != null)
ms.Write(bfObj.typeBytes, 0, bfObj.typeBytes.Length);
if (bfObj.valueBytes != null)
ms.Write(bfObj.valueBytes, 0, bfObj.valueBytes.Length);
}
return ms;
}
public static String JsonNetBinaryFormatterObjectSerializer(SimpleBinaryFormatterRootObject inBinaryFormatterRootObject)
{
return(Newtonsoft.Json.JsonConvert.SerializeObject(inBinaryFormatterRootObject, typeof(Helpers.ModifiedVulnerableBinaryFormatters.SimpleBinaryFormatterRootObject), null));
}
public static MemoryStream ReconstructFromJsonNetSerializedBinaryFormatterObject(String jsonNet_str)
{
SimpleBinaryFormatterRootObject deserialized_obj = (SimpleBinaryFormatterRootObject)Newtonsoft.Json.JsonConvert.DeserializeObject(jsonNet_str, typeof(SimpleBinaryFormatterRootObject));
return(ReconstructFromBinaryFormatterObject(deserialized_obj));
}
public static MemoryStream JsonToStream(String jsonNet_str)
{
SimpleBinaryFormatterRootObject deserialized_obj = (SimpleBinaryFormatterRootObject)Newtonsoft.Json.JsonConvert.DeserializeObject(jsonNet_str, typeof(SimpleBinaryFormatterRootObject));
return SimpleBinaryFormatterRootObjectToStream(deserialized_obj);
}
