Source code for volatility3.framework.symbols.metadata
# This file is Copyright 2019 Volatility Foundation and licensed under the Volatility Software License 1.0
# which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
#
import datetime
import logging
from typing import Optional, Tuple, Union
from volatility3.framework import constants, interfaces
vollog = logging.getLogger(__name__)
[docs]class ProducerMetadata(interfaces.symbols.MetadataInterface):
"""Class to handle the Producer metadata from an ISF"""
@property
def name(self) -> Optional[str]:
return self._json_data.get("name", None)
@property
def version(self) -> Optional[Tuple[int]]:
"""Returns the version of the ISF file producer"""
version = self._json_data.get("version", None)
if not version:
return None
if all([x in "0123456789." for x in version]):
return tuple([int(x) for x in version.split(".")])
vollog.log(
constants.LOGLEVEL_VVVV,
f"Metadata version contains unexpected characters: '{version}'",
)
return None
@property
def datetime(self) -> Optional[datetime.datetime]:
"""Returns a timestamp for when the file was produced"""
if "datetime" not in self._json_data:
return None
try:
timestamp = datetime.datetime.strptime(
self._json_data["datetime"], "YYYY-MM-DD"
)
except (TypeError, ValueError):
vollog.debug("Invalid timestamp in producer information of symbol table")
return None
return timestamp
[docs]class WindowsMetadata(interfaces.symbols.MetadataInterface):
"""Class to handle the metadata from a Windows symbol table."""
@property
def pe_version(
self,
) -> Optional[Union[Tuple[int, int, int], Tuple[int, int, int, int]]]:
build = self._json_data.get("pe", {}).get("build", None)
revision = self._json_data.get("pe", {}).get("revision", None)
minor = self._json_data.get("pe", {}).get("minor", None)
major = self._json_data.get("pe", {}).get("major", None)
if revision is None or minor is None or major is None:
return None
if build is None:
return major, minor, revision
return major, minor, revision, build
@property
def pe_version_string(self) -> Optional[str]:
if self.pe_version is None:
return None
return ".".join(self.pe_version)
@property
def pdb_guid(self) -> Optional[str]:
return self._json_data.get("pdb", {}).get("GUID", None)
@property
def pdb_age(self) -> Optional[int]:
return self._json_data.get("pdb", {}).get("age", None)
[docs]class LinuxMetadata(interfaces.symbols.MetadataInterface):
"""Class to handle the metadata from a Linux symbol table."""