def createFields(self):
yield String(self,
"header_id",
4,
"DataBase Header Markup (\"mhbd\")",
charset="ISO-8859-1")
yield UInt32(self, "header_length", "Header Length")
yield UInt32(self, "entry_length", "Entry Length")
yield UInt32(self, "unknown[]")
yield UInt32(self, "version_number", "Version Number")
yield UInt32(self, "child_number", "Number of Children")
yield UInt64(self, "id", "ID for this database")
yield UInt16(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt64(self, "unknown[]")
yield UInt16(self, "unknown[]")
yield UInt16(self, "hashing_scheme[]",
"Algorithm used to calculate the database hash")
yield NullBytes(self, "unknown[]", 20)
yield String(self, "language_id", 2, "Language ID")
yield UInt64(self, "persistent_id", "Library Persistent ID")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield RawBytes(self, "hash[]", 20)
yield Int32(self, "timezone_offset[]", "Timezone offset in seconds")
yield UInt16(self, "unknown[]")
yield RawBytes(self, "iphone_hash[]", 45)
size = self["header_length"].value - self.current_size / 8
if size > 0:
yield NullBytes(self, "padding", size)
for i in xrange(self["child_number"].value):
yield DataSet(self, "dataset[]")
padding = self.seekByte(self["entry_length"].value, "entry padding")
if padding:
yield padding
def createFields(self):
yield NullBytes(self, "unused", 6)
yield UInt8(self, "offsetIntSize",
"Size (in bytes) of offsets in the offset table")
yield UInt8(self, "objectRefSize",
"Size (in bytes) of object numbers in object references")
yield UInt64(self, "numObjects", "Number of objects in this file")
yield UInt64(self, "topObject", "Top-level object reference")
yield UInt64(self, "offsetTableOffset",
"File offset to the offset table")
def createFields(self):
yield GUID(self, "guid")
yield filesizeHandler(UInt64(self, "file_size"))
yield TimestampWin64(self, "creation_date")
yield UInt64(self, "pckt_count")
yield TimedeltaWin64(self, "play_duration")
yield TimedeltaWin64(self, "send_duration")
yield TimedeltaMillisWin64(self, "preroll")
yield Bit(self, "broadcast", "Is broadcast?")
yield Bit(self, "seekable", "Seekable stream?")
yield PaddingBits(self, "reserved[]", 30)
yield filesizeHandler(UInt32(self, "min_pckt_size"))
yield filesizeHandler(UInt32(self, "max_pckt_size"))
yield displayHandler(UInt32(self, "max_bitrate"), humanBitRate)
def parseVideoHeader(parent):
yield NullBytes(parent, "padding[]", 2)
yield String(parent, "fourcc", 4)
yield UInt32(parent, "size")
yield textHandler(UInt64(parent, "time_unit", "Frame duration"),
formatTimeUnit)
yield UInt64(parent, "sample_per_unit")
yield UInt32(parent, "default_len")
yield UInt32(parent, "buffer_size")
yield UInt16(parent, "bits_per_sample")
yield NullBytes(parent, "padding[]", 2)
yield UInt32(parent, "width")
yield UInt32(parent, "height")
yield NullBytes(parent, "padding[]", 4)
def createFields(self):
# Header
yield NullBytes(self, "zero_vector", 16)
yield GUID(self, "fs_guid")
yield UInt64(self, "volume_len")
yield String(self, "signature", 4)
yield UInt32(self, "attributes")
yield UInt16(self, "header_len")
yield UInt16(self, "checksum")
yield UInt16(self, "ext_header_offset")
yield UInt8(self, "reserved")
yield UInt8(self, "revision")
while True:
bm = BlockMap(self, "block_map[]")
yield bm
if bm['num_blocks'].value == 0 and bm['len'].value == 0:
break
# TODO must handle extended header
# Content
while not self.eof:
padding = paddingSize(self.current_size // 8, 8)
if padding:
yield PaddingBytes(self, "padding[]", padding)
yield File(self, "file[]")
def createFields(self):
yield UInt32(
self, "disk_number",
"Number of the disk with the start of the zip64 end of central directory"
)
yield UInt64(
self, "relative_offset",
"Relative offset of the zip64 end of central directory record")
yield UInt32(self, "disk_total_number", "Total number of disks")
def createFields(self):
yield GUID(self, "guid")
yield filesizeHandler(UInt64(self, "size"))
size = self["size"].value - self.current_size // 8
if 0 < size:
if self.handler:
yield self.handler(self, "content", size=size * 8)
else:
yield RawBytes(self, "content", size)
def createFields(self):
yield UInt64(self, "zip64_end_size",
"Size of zip64 end of central directory record")
yield ZipVersion(self, "version_made_by", "Version made by")
yield ZipVersion(self, "version_needed", "Version needed to extract")
yield UInt32(self, "number_disk", "Number of this disk")
yield UInt32(
self, "number_disk2",
"Number of the disk with the start of the central directory")
yield UInt64(
self, "number_entries",
"Total number of entries in the central directory on this disk")
yield UInt64(self, "number_entries2",
"Total number of entries in the central directory")
yield UInt64(self, "size", "Size of the central directory")
yield UInt64(self, "offset", "Offset of start of central directory")
if 0 < self["zip64_end_size"].value:
yield RawBytes(self, "data_sector", self["zip64_end_size"].value,
"zip64 extensible data sector")
def createFields(self):
yield SymbolStringTableOffset(
self, "name",
"Section name (index into section header string table)")
yield Enum(
textHandler(UInt32(self, "type", "Section type"), hexadecimal),
self.TYPE_NAME)
yield SectionFlags(self, "flags", "Section flags")
yield textHandler(UInt64(self, "VMA", "Virtual memory address"),
hexadecimal)
yield textHandler(
UInt64(self, "LMA", "Logical memory address (offset in file)"),
hexadecimal)
yield textHandler(UInt64(self, "size", "Section size (bytes)"),
hexadecimal)
yield UInt32(self, "link", "Index of a related section")
yield UInt32(self, "info", "Type-dependent information")
yield UInt64(self, "addr_align", "Address alignment (bytes)")
yield UInt64(self, "entry_size", "Size of each entry in section")
def createFields(self):
yield Enum(UInt32(self, "type", "Segment type"),
ProgramHeader32.TYPE_NAME)
yield ProgramFlags(self, "flags")
yield UInt64(self, "offset", "Offset")
yield textHandler(UInt64(self, "vaddr", "V. address"), hexadecimal)
yield textHandler(UInt64(self, "paddr", "P. address"), hexadecimal)
yield UInt64(self, "file_size", "File size")
yield UInt64(self, "mem_size", "Memory size")
yield UInt64(self, "align", "Alignment padding")
def createFields(self):
yield PascalString16(self,
"name",
"Name",
charset="UTF-16-LE",
strip="\0")
yield Enum(UInt16(self, "type"), self.TYPE_NAME)
yield UInt16(self, "value_length")
type = self["type"].value
size = self["value_length"].value
name = "value"
if type == 0 and (size % 2) == 0:
yield String(self, name, size, charset="UTF-16-LE", strip="\0")
elif type in (2, 3):
yield UInt32(self, name)
elif type == 4:
yield UInt64(self, name)
else:
yield RawBytes(self, name, size)
def createFields(self):
yield GUID(self, "type")
yield GUID(self, "error_correction")
yield UInt64(self, "time_offset")
yield UInt32(self, "data_len")
yield UInt32(self, "error_correct_len")
yield Bits(self, "stream_index", 7)
yield Bits(self, "reserved[]", 8)
yield Bit(self, "encrypted", "Content is encrypted?")
yield UInt32(self, "reserved[]")
size = self["data_len"].value
if size:
tag = self["type"].value
if tag in Object.TAG_INFO:
name, parser = Object.TAG_INFO[tag][0:2]
yield parser(self, name, size=size * 8)
else:
yield RawBytes(self, "data", size)
size = self["error_correct_len"].value
if size:
yield RawBytes(self, "error_correct", size)
def createFields(self):
yield String(self, 'capture_pattern', 4, charset="ASCII")
if self['capture_pattern'].value != self.MAGIC:
self.warning(
'Invalid signature. An Ogg page must start with "%s".' %
self.MAGIC)
yield UInt8(self, 'stream_structure_version')
yield Bit(self, 'continued_packet')
yield Bit(self, 'first_page')
yield Bit(self, 'last_page')
yield NullBits(self, 'unused', 5)
yield UInt64(self, 'abs_granule_pos')
yield textHandler(UInt32(self, 'serial'), hexadecimal)
yield UInt32(self, 'page')
yield textHandler(UInt32(self, 'checksum'), hexadecimal)
yield UInt8(self, 'lacing_size')
if self.lacing_size:
yield Lacing(self, "lacing", size=self.lacing_size * 8)
yield Segments(self,
"segments",
size=self._size - self._current_size)
def specialHeader(s, is_file):
yield filesizeHandler(
UInt32(s, "compressed_size", "Compressed size (bytes)"))
yield filesizeHandler(
UInt32(s, "uncompressed_size", "Uncompressed size (bytes)"))
yield Enum(UInt8(s, "host_os", "Operating system used for archiving"),
OS_NAME)
yield textHandler(UInt32(s, "crc32", "File CRC32"), hexadecimal)
yield TimeDateMSDOS32(s, "ftime", "Date and time (MS DOS format)")
yield textHandler(
UInt8(s, "version", "RAR version needed to extract file"),
formatRARVersion)
yield Enum(UInt8(s, "method", "Packing method"), COMPRESSION_NAME)
yield filesizeHandler(UInt16(s, "filename_length", "File name size"))
if s["host_os"].value in (OS_MSDOS, OS_WIN32):
yield MSDOSFileAttr32(s, "file_attr", "File attributes")
else:
yield textHandler(UInt32(s, "file_attr", "File attributes"),
hexadecimal)
# Start additional field from unrar
if s["flags/is_large"].value:
yield filesizeHandler(
UInt64(s, "large_size", "Extended 64bits filesize"))
# End additional field
size = s["filename_length"].value
if size > 0:
if s["flags/is_unicode"].value:
charset = "UTF-8"
else:
charset = "ISO-8859-15"
yield String(s, "filename", size, "Filename", charset=charset)
# Start additional fields from unrar - file only
if is_file:
if s["flags/has_salt"].value:
yield RawBytes(s, "salt", 8,
"Encryption salt to increase security")
if s["flags/has_ext_time"].value:
yield ExtTime(s, "extra_time")
def createFields(self):
yield String(self,
"header_id",
4,
"Playlist Header Markup (\"mhyp\")",
charset="ISO-8859-1")
yield UInt32(self, "header_length", "Header Length")
yield UInt32(self, "entry_length", "Entry Length")
yield UInt32(self, "data_object_child_count",
"Number of Child Data Objects")
yield UInt32(self, "playlist_count", "Number of Playlist Items")
yield Enum(UInt8(self, "type", "Normal or master playlist?"),
self.is_master_pl_name)
yield UInt8(self, "XXX1", "XXX1")
yield UInt8(self, "XXX2", "XXX2")
yield UInt8(self, "XXX3", "XXX3")
yield TimestampMac32(self, "creation_date",
"Date when the playlist was created")
yield UInt64(self, "playlistid", "Persistent Playlist ID")
yield UInt32(self, "unk3", "unk3")
yield UInt16(self, "string_mhod_count",
"Number of string MHODs for this playlist")
yield Enum(UInt16(self, "is_podcast", "Playlist or Podcast List?"),
self.is_podcast_name)
yield Enum(UInt32(self, "sort_order", "Playlist Sort Order"),
self.list_sort_order_name)
padding = self.seekByte(self["header_length"].value, "entry padding")
if padding:
yield padding
for i in xrange(self["data_object_child_count"].value):
yield DataObject(self, "mhod[]")
for i in xrange(self["playlist_count"].value):
yield PlaylistItem(self, "playlist_item[]")
def createFields(self):
yield GUID(self, "file_id")
yield UInt64(self, "packet_count")
yield PaddingBytes(self, "reserved", 2)
size = (self.size - self.current_size) // 8
yield RawBytes(self, "data", size)
def createFields(self):
yield textHandler(
UInt64(self, "next_hdr_offset", "Next header offset"), hexadecimal)
yield UInt64(self, "next_hdr_size", "Next header size")
yield textHandler(UInt32(self, "next_hdr_crc", "Next header CRC"),
hexadecimal)
def createFields(self):
yield String(self,
"header_id",
4,
"Track Item Header Markup (\"mhit\")",
charset="ISO-8859-1")
yield UInt32(self, "header_length", "Header Length")
yield UInt32(self, "entry_length", "Entry Length")
yield UInt32(self, "string_number", "Number of Strings")
yield UInt32(self, "unique_id", "Unique ID")
yield UInt32(self, "visible_tag", "Visible Tag")
yield String(self, "file_type", 4, "File Type")
yield Enum(UInt8(self, "x1_type", "Extended Type 1"),
self.x1_type_name)
yield Enum(UInt8(self, "x2_type", "Extended type 2"),
self.x2_type_name)
yield UInt8(self, "compilation_flag", "Compilation Flag")
yield UInt8(self, "rating", "Rating")
yield TimestampMac32(self, "last_modified",
"Time of the last modification of the track")
yield filesizeHandler(UInt32(self, "size", "Track size in bytes"))
yield displayHandler(
UInt32(self, "length", "Track length in milliseconds"),
humanDuration)
yield UInt32(self, "track_number", "Number of this track")
yield UInt32(self, "total_track", "Total number of tracks")
yield UInt32(self, "year", "Year of the track")
yield UInt32(self, "bitrate", "Bitrate")
yield UInt32(self, "samplerate", "Sample Rate")
yield UInt32(self, "volume", "volume")
yield UInt32(self, "start_time", "Start playing at, in milliseconds")
yield UInt32(self, "stop_time", "Stop playing at, in milliseconds")
yield UInt32(self, "soundcheck", "SoundCheck preamp")
yield UInt32(self, "playcount_1", "Play count of the track")
yield UInt32(self, "playcount_2",
"Play count of the track when last synced")
yield TimestampMac32(self, "last_played_time",
"Time the song was last played")
yield UInt32(self, "disc_number", "disc number in multi disc sets")
yield UInt32(self, "total_discs",
"Total number of discs in the disc set")
yield UInt32(self, "userid", "User ID in the DRM scheme")
yield TimestampMac32(self, "added_date",
"Date when the item was added")
yield UInt32(self, "bookmark_time", "Bookmark time for AudioBook")
yield UInt64(
self, "dbid",
"Unique DataBase ID for the song (identical in mhit and in mhii)")
yield UInt8(self, "checked", "song is checked")
yield UInt8(self, "application_rating", "Last Rating before change")
yield UInt16(self, "BPM", "BPM of the track")
yield UInt16(self, "artwork_count", "number of artworks for this item")
yield UInt16(self, "unknown[]")
yield UInt32(self, "artwork_size", "Total size of artworks in bytes")
yield UInt32(self, "unknown[]")
yield Float32(self, "sample_rate_2", "Sample Rate express in float")
yield UInt32(self, "released_date",
"Date of release in Music Store or in Podcast")
yield UInt16(self, "unknown[]")
yield UInt16(self, "explicit_flag[]", "Explicit flag")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "skip_count[]", "Skip Count")
yield TimestampMac32(self, "last_skipped",
"Date when the item was last skipped")
yield UInt8(self, "has_artwork",
"0x01 for track with artwork, 0x02 otherwise")
yield UInt8(self, "skip_wen_shuffling",
"Skip that track when shuffling")
yield UInt8(self, "remember_playback_position",
"Remember playback position")
yield UInt8(self, "flag4", "Flag 4")
yield UInt64(self, "dbid2",
"Unique DataBase ID for the song (identical as above)")
yield UInt8(self, "lyrics_flag", "Lyrics Flag")
yield UInt8(self, "movie_file_flag", "Movie File Flag")
yield UInt8(self, "played_mark", "Track has been played")
yield UInt8(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "pregap[]",
"Number of samples of silence before the song starts")
yield UInt64(
self, "sample_count",
"Number of samples in the song (only for WAV and AAC files)")
yield UInt32(self, "unknown[]")
yield UInt32(self, "postgap[]",
"Number of samples of silence at the end of the song")
yield UInt32(self, "unknown[]")
yield Enum(UInt32(self, "media_type", "Media Type for video iPod"),
self.media_type_name)
yield UInt32(self, "season_number", "Season Number")
yield UInt32(self, "episode_number", "Episode Number")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(
self, "gapless_data[]",
"The size in bytes from first Sync Frame until the 8th before the last frame."
)
yield UInt32(self, "unknown[]")
yield UInt16(self, "gaplessTrackFlag[]", "1 if track has gapless data")
yield UInt16(self, "gaplessAlbumFlag[]",
"1 if track uses crossfading in iTunes")
yield RawBytes(self, "unknown[]", 20)
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt16(self, "unknown[]")
yield UInt16(self, "album_id[]",
"Album ID (used to link tracks with MHIAs)")
yield RawBytes(self, "unknown[]", 52)
yield UInt32(self, "mhii_link[]",
"Artwork ID (used to link tracks with MHIIs)")
padding = self.seekByte(self["header_length"].value, "header padding")
if padding:
yield padding
# while ((self.stream.readBytes(0, 4) == 'mhod') and ((self.current_size/8) < self["entry_length"].value)):
for i in xrange(self["string_number"].value):
yield DataObject(self, "data[]")
padding = self.seekBit(self._size, "entry padding")
if padding:
yield padding