# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild from pkg_resources import parse_version from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO from enum import Enum import collections if parse_version(ks_version) < parse_version('0.7'): raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) class SystemdJournal(KaitaiStruct): """systemd, a popular user-space system/service management suite on Linux, offers logging functionality, storing incoming logs in a binary journal format. On live Linux system running systemd, these journals are typically located at: * /run/log/journal/machine-id/*.journal (volatile, lost after reboot) * /var/log/journal/machine-id/*.journal (persistent, but disabled by default on Debian / Ubuntu) .. seealso:: Source - https://www.freedesktop.org/wiki/Software/systemd/journal-files/ """ class State(Enum): offline = 0 online = 1 archived = 2 SEQ_FIELDS = ["header", "objects"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['header']['start'] = self._io.pos() self._raw_header = self._io.read_bytes(self.len_header) io = KaitaiStream(BytesIO(self._raw_header)) self.header = self._root.Header(io, self, self._root) self.header._read() self._debug['header']['end'] = self._io.pos() self._debug['objects']['start'] = self._io.pos() self.objects = [None] * (self.header.num_objects) for i in range(self.header.num_objects): if not 'arr' in self._debug['objects']: self._debug['objects']['arr'] = [] self._debug['objects']['arr'].append({'start': self._io.pos()}) _t_objects = self._root.JournalObject(self._io, self, self._root) _t_objects._read() self.objects[i] = _t_objects self._debug['objects']['arr'][i]['end'] = self._io.pos() self._debug['objects']['end'] = self._io.pos() class Header(KaitaiStruct): SEQ_FIELDS = ["signature", "compatible_flags", "incompatible_flags", "state", "reserved", "file_id", "machine_id", "boot_id", "seqnum_id", "len_header", "len_arena", "ofs_data_hash_table", "len_data_hash_table", "ofs_field_hash_table", "len_field_hash_table", "ofs_tail_object", "num_objects", "num_entries", "tail_entry_seqnum", "head_entry_seqnum", "ofs_entry_array", "head_entry_realtime", "tail_entry_realtime", "tail_entry_monotonic", "num_data", "num_fields", "num_tags", "num_entry_arrays"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['signature']['start'] = self._io.pos() self.signature = self._io.ensure_fixed_contents(b"\x4C\x50\x4B\x53\x48\x48\x52\x48") self._debug['signature']['end'] = self._io.pos() self._debug['compatible_flags']['start'] = self._io.pos() self.compatible_flags = self._io.read_u4le() self._debug['compatible_flags']['end'] = self._io.pos() self._debug['incompatible_flags']['start'] = self._io.pos() self.incompatible_flags = self._io.read_u4le() self._debug['incompatible_flags']['end'] = self._io.pos() self._debug['state']['start'] = self._io.pos() self.state = KaitaiStream.resolve_enum(self._root.State, self._io.read_u1()) self._debug['state']['end'] = self._io.pos() self._debug['reserved']['start'] = self._io.pos() self.reserved = self._io.read_bytes(7) self._debug['reserved']['end'] = self._io.pos() self._debug['file_id']['start'] = self._io.pos() self.file_id = self._io.read_bytes(16) self._debug['file_id']['end'] = self._io.pos() self._debug['machine_id']['start'] = self._io.pos() self.machine_id = self._io.read_bytes(16) self._debug['machine_id']['end'] = self._io.pos() self._debug['boot_id']['start'] = self._io.pos() self.boot_id = self._io.read_bytes(16) self._debug['boot_id']['end'] = self._io.pos() self._debug['seqnum_id']['start'] = self._io.pos() self.seqnum_id = self._io.read_bytes(16) self._debug['seqnum_id']['end'] = self._io.pos() self._debug['len_header']['start'] = self._io.pos() self.len_header = self._io.read_u8le() self._debug['len_header']['end'] = self._io.pos() self._debug['len_arena']['start'] = self._io.pos() self.len_arena = self._io.read_u8le() self._debug['len_arena']['end'] = self._io.pos() self._debug['ofs_data_hash_table']['start'] = self._io.pos() self.ofs_data_hash_table = self._io.read_u8le() self._debug['ofs_data_hash_table']['end'] = self._io.pos() self._debug['len_data_hash_table']['start'] = self._io.pos() self.len_data_hash_table = self._io.read_u8le() self._debug['len_data_hash_table']['end'] = self._io.pos() self._debug['ofs_field_hash_table']['start'] = self._io.pos() self.ofs_field_hash_table = self._io.read_u8le() self._debug['ofs_field_hash_table']['end'] = self._io.pos() self._debug['len_field_hash_table']['start'] = self._io.pos() self.len_field_hash_table = self._io.read_u8le() self._debug['len_field_hash_table']['end'] = self._io.pos() self._debug['ofs_tail_object']['start'] = self._io.pos() self.ofs_tail_object = self._io.read_u8le() self._debug['ofs_tail_object']['end'] = self._io.pos() self._debug['num_objects']['start'] = self._io.pos() self.num_objects = self._io.read_u8le() self._debug['num_objects']['end'] = self._io.pos() self._debug['num_entries']['start'] = self._io.pos() self.num_entries = self._io.read_u8le() self._debug['num_entries']['end'] = self._io.pos() self._debug['tail_entry_seqnum']['start'] = self._io.pos() self.tail_entry_seqnum = self._io.read_u8le() self._debug['tail_entry_seqnum']['end'] = self._io.pos() self._debug['head_entry_seqnum']['start'] = self._io.pos() self.head_entry_seqnum = self._io.read_u8le() self._debug['head_entry_seqnum']['end'] = self._io.pos() self._debug['ofs_entry_array']['start'] = self._io.pos() self.ofs_entry_array = self._io.read_u8le() self._debug['ofs_entry_array']['end'] = self._io.pos() self._debug['head_entry_realtime']['start'] = self._io.pos() self.head_entry_realtime = self._io.read_u8le() self._debug['head_entry_realtime']['end'] = self._io.pos() self._debug['tail_entry_realtime']['start'] = self._io.pos() self.tail_entry_realtime = self._io.read_u8le() self._debug['tail_entry_realtime']['end'] = self._io.pos() self._debug['tail_entry_monotonic']['start'] = self._io.pos() self.tail_entry_monotonic = self._io.read_u8le() self._debug['tail_entry_monotonic']['end'] = self._io.pos() if not (self._io.is_eof()): self._debug['num_data']['start'] = self._io.pos() self.num_data = self._io.read_u8le() self._debug['num_data']['end'] = self._io.pos() if not (self._io.is_eof()): self._debug['num_fields']['start'] = self._io.pos() self.num_fields = self._io.read_u8le() self._debug['num_fields']['end'] = self._io.pos() if not (self._io.is_eof()): self._debug['num_tags']['start'] = self._io.pos() self.num_tags = self._io.read_u8le() self._debug['num_tags']['end'] = self._io.pos() if not (self._io.is_eof()): self._debug['num_entry_arrays']['start'] = self._io.pos() self.num_entry_arrays = self._io.read_u8le() self._debug['num_entry_arrays']['end'] = self._io.pos() class JournalObject(KaitaiStruct): """ .. seealso:: Source - https://www.freedesktop.org/wiki/Software/systemd/journal-files/#objects """ class ObjectTypes(Enum): unused = 0 data = 1 field = 2 entry = 3 data_hash_table = 4 field_hash_table = 5 entry_array = 6 tag = 7 SEQ_FIELDS = ["padding", "object_type", "flags", "reserved", "len_object", "payload"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['padding']['start'] = self._io.pos() self.padding = self._io.read_bytes(((8 - self._io.pos()) % 8)) self._debug['padding']['end'] = self._io.pos() self._debug['object_type']['start'] = self._io.pos() self.object_type = KaitaiStream.resolve_enum(self._root.JournalObject.ObjectTypes, self._io.read_u1()) self._debug['object_type']['end'] = self._io.pos() self._debug['flags']['start'] = self._io.pos() self.flags = self._io.read_u1() self._debug['flags']['end'] = self._io.pos() self._debug['reserved']['start'] = self._io.pos() self.reserved = self._io.read_bytes(6) self._debug['reserved']['end'] = self._io.pos() self._debug['len_object']['start'] = self._io.pos() self.len_object = self._io.read_u8le() self._debug['len_object']['end'] = self._io.pos() self._debug['payload']['start'] = self._io.pos() _on = self.object_type if _on == self._root.JournalObject.ObjectTypes.data: self._raw_payload = self._io.read_bytes((self.len_object - 16)) io = KaitaiStream(BytesIO(self._raw_payload)) self.payload = self._root.DataObject(io, self, self._root) self.payload._read() else: self.payload = self._io.read_bytes((self.len_object - 16)) self._debug['payload']['end'] = self._io.pos() class DataObject(KaitaiStruct): """Data objects are designed to carry log payload, typically in form of a "key=value" string in `payload` attribute. .. seealso:: Source - https://www.freedesktop.org/wiki/Software/systemd/journal-files/#dataobjects """ SEQ_FIELDS = ["hash", "ofs_next_hash", "ofs_head_field", "ofs_entry", "ofs_entry_array", "num_entries", "payload"] def __init__(self, _io, _parent=None, _root=None): self._io = _io self._parent = _parent self._root = _root if _root else self self._debug = collections.defaultdict(dict) def _read(self): self._debug['hash']['start'] = self._io.pos() self.hash = self._io.read_u8le() self._debug['hash']['end'] = self._io.pos() self._debug['ofs_next_hash']['start'] = self._io.pos() self.ofs_next_hash = self._io.read_u8le() self._debug['ofs_next_hash']['end'] = self._io.pos() self._debug['ofs_head_field']['start'] = self._io.pos() self.ofs_head_field = self._io.read_u8le() self._debug['ofs_head_field']['end'] = self._io.pos() self._debug['ofs_entry']['start'] = self._io.pos() self.ofs_entry = self._io.read_u8le() self._debug['ofs_entry']['end'] = self._io.pos() self._debug['ofs_entry_array']['start'] = self._io.pos() self.ofs_entry_array = self._io.read_u8le() self._debug['ofs_entry_array']['end'] = self._io.pos() self._debug['num_entries']['start'] = self._io.pos() self.num_entries = self._io.read_u8le() self._debug['num_entries']['end'] = self._io.pos() self._debug['payload']['start'] = self._io.pos() self.payload = self._io.read_bytes_full() self._debug['payload']['end'] = self._io.pos() @property def next_hash(self): if hasattr(self, '_m_next_hash'): return self._m_next_hash if hasattr(self, '_m_next_hash') else None if self.ofs_next_hash != 0: io = self._root._io _pos = io.pos() io.seek(self.ofs_next_hash) self._debug['_m_next_hash']['start'] = io.pos() self._m_next_hash = self._root.JournalObject(io, self, self._root) self._m_next_hash._read() self._debug['_m_next_hash']['end'] = io.pos() io.seek(_pos) return self._m_next_hash if hasattr(self, '_m_next_hash') else None @property def head_field(self): if hasattr(self, '_m_head_field'): return self._m_head_field if hasattr(self, '_m_head_field') else None if self.ofs_head_field != 0: io = self._root._io _pos = io.pos() io.seek(self.ofs_head_field) self._debug['_m_head_field']['start'] = io.pos() self._m_head_field = self._root.JournalObject(io, self, self._root) self._m_head_field._read() self._debug['_m_head_field']['end'] = io.pos() io.seek(_pos) return self._m_head_field if hasattr(self, '_m_head_field') else None @property def entry(self): if hasattr(self, '_m_entry'): return self._m_entry if hasattr(self, '_m_entry') else None if self.ofs_entry != 0: io = self._root._io _pos = io.pos() io.seek(self.ofs_entry) self._debug['_m_entry']['start'] = io.pos() self._m_entry = self._root.JournalObject(io, self, self._root) self._m_entry._read() self._debug['_m_entry']['end'] = io.pos() io.seek(_pos) return self._m_entry if hasattr(self, '_m_entry') else None @property def entry_array(self): if hasattr(self, '_m_entry_array'): return self._m_entry_array if hasattr(self, '_m_entry_array') else None if self.ofs_entry_array != 0: io = self._root._io _pos = io.pos() io.seek(self.ofs_entry_array) self._debug['_m_entry_array']['start'] = io.pos() self._m_entry_array = self._root.JournalObject(io, self, self._root) self._m_entry_array._read() self._debug['_m_entry_array']['end'] = io.pos() io.seek(_pos) return self._m_entry_array if hasattr(self, '_m_entry_array') else None @property def len_header(self): """Header length is used to set substream size, as it thus required prior to declaration of header. """ if hasattr(self, '_m_len_header'): return self._m_len_header if hasattr(self, '_m_len_header') else None _pos = self._io.pos() self._io.seek(88) self._debug['_m_len_header']['start'] = self._io.pos() self._m_len_header = self._io.read_u8le() self._debug['_m_len_header']['end'] = self._io.pos() self._io.seek(_pos) return self._m_len_header if hasattr(self, '_m_len_header') else None @property def data_hash_table(self): if hasattr(self, '_m_data_hash_table'): return self._m_data_hash_table if hasattr(self, '_m_data_hash_table') else None _pos = self._io.pos() self._io.seek(self.header.ofs_data_hash_table) self._debug['_m_data_hash_table']['start'] = self._io.pos() self._m_data_hash_table = self._io.read_bytes(self.header.len_data_hash_table) self._debug['_m_data_hash_table']['end'] = self._io.pos() self._io.seek(_pos) return self._m_data_hash_table if hasattr(self, '_m_data_hash_table') else None @property def field_hash_table(self): if hasattr(self, '_m_field_hash_table'): return self._m_field_hash_table if hasattr(self, '_m_field_hash_table') else None _pos = self._io.pos() self._io.seek(self.header.ofs_field_hash_table) self._debug['_m_field_hash_table']['start'] = self._io.pos() self._m_field_hash_table = self._io.read_bytes(self.header.len_field_hash_table) self._debug['_m_field_hash_table']['end'] = self._io.pos() self._io.seek(_pos) return self._m_field_hash_table if hasattr(self, '_m_field_hash_table') else None