def save(message, root, namespace_project, namespace_common):
"""Generate an XML representation of a message"""
# Create the initial xml tree
xmlMessage = etree.SubElement(root, "{" + namespace_common + "}message")
xmlMessage.set("id", str(message.getID()))
xmlMessage.set("timestamp", str(message.getTimestamp()))
# Add the data
subData = etree.SubElement(xmlMessage, "{" + namespace_common + "}data")
subData.text = str(message.getData())
# Depending of the type, we add its proper meta-datas
if message.getType() == "File":
FileMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "L2Network":
L2NetworkMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "L3Network":
L3NetworkMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "L4Network":
L4NetworkMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "IPC":
IPCMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "IRP":
IRPMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "IRPDeviceIoControl":
IRPDeviceIoControlMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
elif message.getType() == "RAW":
RawMessageFactory.save(message, xmlMessage, namespace_project, namespace_common)
else:
raise NameError('''There is no factory which would support
the generation of an xml representation of the message : ''' + str(message))
return etree.tostring(xmlMessage)
def save(message, root, namespace_project, namespace_common):
"""Generate an XML representation of a message"""
# Create the initial xml tree
xmlMessage = etree.SubElement(root,
"{" + namespace_common + "}message")
xmlMessage.set("id", str(message.getID()))
xmlMessage.set("timestamp", str(message.getTimestamp()))
# Add the data
subData = etree.SubElement(xmlMessage,
"{" + namespace_common + "}data")
subData.text = str(message.getData())
# Depending of the type, we add its proper meta-datas
if message.getType() == "File":
FileMessageFactory.save(message, xmlMessage, namespace_project,
namespace_common)
elif message.getType() == "L2Network":
L2NetworkMessageFactory.save(message, xmlMessage,
namespace_project, namespace_common)
elif message.getType() == "L3Network":
L3NetworkMessageFactory.save(message, xmlMessage,
namespace_project, namespace_common)
elif message.getType() == "L4Network":
L4NetworkMessageFactory.save(message, xmlMessage,
namespace_project, namespace_common)
elif message.getType() == "IPC":
IPCMessageFactory.save(message, xmlMessage, namespace_project,
namespace_common)
elif message.getType() == "IRP":
IRPMessageFactory.save(message, xmlMessage, namespace_project,
namespace_common)
elif message.getType() == "IRPDeviceIoControl":
IRPDeviceIoControlMessageFactory.save(message, xmlMessage,
namespace_project,
namespace_common)
elif message.getType() == "RAW":
RawMessageFactory.save(message, xmlMessage, namespace_project,
namespace_common)
else:
raise NameError('''There is no factory which would support
the generation of an xml representation of the message : ''' +
str(message))
return etree.tostring(xmlMessage)
def loadFromXML(rootElement, namespace, version):
"""loadFromXML:
Function which parses an XML and extract from it
the definition of a file message
@param rootElement: XML root of the file message
@return an instance of a message
@throw NameError if XML invalid"""
# Computes which type is it
if rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == "abstract":
raise NameError("The parsed xml doesn't represent a valid type message.")
# Parse common attributes (id, timestamp, data)
# Parse the data field and transform it into a byte array
if rootElement.find("{" + namespace + "}data") is None or not rootElement.find("{" + namespace + "}data").text:
raise NameError("The parsed message has no data specified")
data = bytearray(rootElement.find("{" + namespace + "}data").text)
id = str(rootElement.get("id"))
timestamp = float(rootElement.get("timestamp"))
if rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == FileMessageFactory.XML_SCHEMA_TYPE:
return FileMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
# # Preserve compatibility with former traces
# elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == "netzob-common:NetworkMessage":
# return OldFormatNetworkMessageFactory.loadFromXML(rootElement, namespace, version)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == L2NetworkMessageFactory.XML_SCHEMA_TYPE:
return L2NetworkMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == L3NetworkMessageFactory.XML_SCHEMA_TYPE:
return L3NetworkMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == L4NetworkMessageFactory.XML_SCHEMA_TYPE:
return L4NetworkMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == IPCMessageFactory.XML_SCHEMA_TYPE:
return IPCMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == IRPMessageFactory.XML_SCHEMA_TYPE:
return IRPMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == IRPDeviceIoControlMessageFactory.XML_SCHEMA_TYPE:
return IRPDeviceIoControlMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == RawMessageFactory.XML_SCHEMA_TYPE:
return RawMessageFactory.loadFromXML(rootElement, namespace, version, id, timestamp, data)
else:
raise NameError("The parsed xml doesn't represent a valid type message.")
return None
def loadFromXML(rootElement, namespace, version):
"""loadFromXML:
Function which parses an XML and extract from it
the definition of a file message
@param rootElement: XML root of the file message
@return an instance of a message
@throw NameError if XML invalid"""
# Computes which type is it
if rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == "abstract":
raise NameError(
"The parsed xml doesn't represent a valid type message.")
# Parse common attributes (id, timestamp, data)
# Parse the data field and transform it into a byte array
if rootElement.find("{" + namespace +
"}data") is None or not rootElement.find(
"{" + namespace + "}data").text:
raise NameError("The parsed message has no data specified")
data = bytearray(rootElement.find("{" + namespace + "}data").text)
id = str(rootElement.get("id"))
timestamp = float(rootElement.get("timestamp"))
if rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == FileMessageFactory.XML_SCHEMA_TYPE:
return FileMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp, data)
# # Preserve compatibility with former traces
# elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type", "abstract") == "netzob-common:NetworkMessage":
# return OldFormatNetworkMessageFactory.loadFromXML(rootElement, namespace, version)
elif rootElement.get(
"{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == L2NetworkMessageFactory.XML_SCHEMA_TYPE:
return L2NetworkMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp,
data)
elif rootElement.get(
"{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == L3NetworkMessageFactory.XML_SCHEMA_TYPE:
return L3NetworkMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp,
data)
elif rootElement.get(
"{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == L4NetworkMessageFactory.XML_SCHEMA_TYPE:
return L4NetworkMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp,
data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == IPCMessageFactory.XML_SCHEMA_TYPE:
return IPCMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == IRPMessageFactory.XML_SCHEMA_TYPE:
return IRPMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp, data)
elif rootElement.get(
"{http://www.w3.org/2001/XMLSchema-instance}type", "abstract"
) == IRPDeviceIoControlMessageFactory.XML_SCHEMA_TYPE:
return IRPDeviceIoControlMessageFactory.loadFromXML(
rootElement, namespace, version, id, timestamp, data)
elif rootElement.get("{http://www.w3.org/2001/XMLSchema-instance}type",
"abstract") == RawMessageFactory.XML_SCHEMA_TYPE:
return RawMessageFactory.loadFromXML(rootElement, namespace,
version, id, timestamp, data)
else:
raise NameError(
"The parsed xml doesn't represent a valid type message.")
return None
