def createFields(self):
yield Bit(self, "final", "Is this the final block?") # BFINAL
yield Enum(
Bits(self, "compression_type", 2), # BTYPE
{
0: "None",
1: "Fixed Huffman",
2: "Dynamic Huffman",
3: "Reserved"
})
if self["compression_type"].value == 0: # no compression
# align on byte boundary
padding = paddingSize(self.current_size + self.absolute_address, 8)
if padding:
yield PaddingBits(self, "padding[]", padding)
yield Int16(self, "len")
yield Int16(self, "nlen", "One's complement of len")
if self["len"].value != ~self["nlen"].value:
raise ParserError(
"len must be equal to the one's complement of nlen!")
# null stored blocks produced by some encoders (e.g. PIL)
if self["len"].value:
yield RawBytes(self, "data", self["len"].value,
"Uncompressed data")
return
elif self["compression_type"].value == 1: # Fixed Huffman
length_tree = {} # (size, huffman code): value
distance_tree = {}
for i in range(144):
length_tree[(8, i + 48)] = i
for i in range(144, 256):
length_tree[(9, i + 256)] = i
for i in range(256, 280):
length_tree[(7, i - 256)] = i
for i in range(280, 288):
length_tree[(8, i - 88)] = i
for i in range(32):
distance_tree[(5, i)] = i
elif self["compression_type"].value == 2: # Dynamic Huffman
yield Bits(self, "huff_num_length_codes", 5,
"Number of Literal/Length Codes, minus 257")
yield Bits(self, "huff_num_distance_codes", 5,
"Number of Distance Codes, minus 1")
yield Bits(self, "huff_num_code_length_codes", 4,
"Number of Code Length Codes, minus 4")
code_length_code_lengths = [0] * 19 # confusing variable name...
for i in self.CODE_LENGTH_ORDER[:self["huff_num_code_length_codes"]
.value + 4]:
field = Bits(self, "huff_code_length_code[%i]" % i, 3,
"Code lengths for the code length alphabet")
yield field
code_length_code_lengths[i] = field.value
code_length_tree = build_tree(code_length_code_lengths)
length_code_lengths = []
distance_code_lengths = []
for numcodes, name, lengths in (
(self["huff_num_length_codes"].value + 257, "length",
length_code_lengths),
(self["huff_num_distance_codes"].value + 1, "distance",
distance_code_lengths)):
while len(lengths) < numcodes:
field = HuffmanCode(self, "huff_%s_code[]" % name,
code_length_tree)
value = field.realvalue
if value < 16:
prev_value = value
field._description = "Literal Code Length %i (Huffman Code %i)" % (
value, field.value)
yield field
lengths.append(value)
else:
info = {
16: (3, 6, 2),
17: (3, 10, 3),
18: (11, 138, 7)
}[value]
if value == 16:
repvalue = prev_value
else:
repvalue = 0
field._description = "Repeat Code %i, Repeating value (%i) %i to %i times (Huffman Code %i)" % (
value, repvalue, info[0], info[1], field.value)
yield field
extrafield = Bits(
self, "huff_%s_code_extra[%s" %
(name, field.name.split('[')[1]), info[2])
num_repeats = extrafield.value + info[0]
extrafield._description = "Repeat Extra Bits (%i), total repeats %i" % (
extrafield.value, num_repeats)
yield extrafield
lengths += [repvalue] * num_repeats
length_tree = build_tree(length_code_lengths)
distance_tree = build_tree(distance_code_lengths)
else:
raise ParserError("Unsupported compression type 3!")
while True:
field = HuffmanCode(self, "length_code[]", length_tree)
value = field.realvalue
if value < 256:
field._description = "Literal Code %r (Huffman Code %i)" % (
chr(value), field.value)
yield field
self.uncomp_data += chr(value)
if value == 256:
field._description = "Block Terminator Code (256) (Huffman Code %i)" % field.value
yield field
break
elif value > 256:
info = self.LENGTH_SYMBOLS[value]
if info[2] == 0:
field._description = "Length Code %i, Value %i (Huffman Code %i)" % (
value, info[0], field.value)
length = info[0]
yield field
else:
field._description = "Length Code %i, Values %i to %i (Huffman Code %i)" % (
value, info[0], info[1], field.value)
yield field
extrafield = Bits(
self, "length_extra[%s" % field.name.split('[')[1],
info[2])
length = extrafield.value + info[0]
extrafield._description = "Length Extra Bits (%i), total length %i" % (
extrafield.value, length)
yield extrafield
field = HuffmanCode(self, "distance_code[]", distance_tree)
value = field.realvalue
info = self.DISTANCE_SYMBOLS[value]
if info[2] == 0:
field._description = "Distance Code %i, Value %i (Huffman Code %i)" % (
value, info[0], field.value)
distance = info[0]
yield field
else:
field._description = "Distance Code %i, Values %i to %i (Huffman Code %i)" % (
value, info[0], info[1], field.value)
yield field
extrafield = Bits(
self, "distance_extra[%s" % field.name.split('[')[1],
info[2])
distance = extrafield.value + info[0]
extrafield._description = "Distance Extra Bits (%i), total length %i" % (
extrafield.value, distance)
yield extrafield
self.uncomp_data = extend_data(self.uncomp_data, length,
distance)
def createFields(self):
yield Enum(UInt32(self, "tag", "Tag"), self.tag_name_dict)
yield Enum(UInt32(self, "type", "Type"), Item.type_name)
yield UInt32(self, "offset", "Offset")
yield UInt32(self, "count", "Count")
def parseROP2(parser):
yield Enum(UInt16(parser, "operation"), ROP2_DESC)
def parsePenIndirect(parser):
yield Enum(UInt16(parser, "pen_style"), PEN_STYLE)
yield UInt16(parser, "pen_width")
yield UInt16(parser, "pen_height")
yield RGBA(parser, "color")
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
def createFields(self):
yield UInt32(self, "length", "Length of this structure")
if not self["length"].value:
return
yield Enum(
textHandler(
UInt32(self, "signature",
"Signature determining the function of this structure"),
hexadecimal), self.INFO_TYPE)
if self["signature"].value == 0xA0000003:
# Hostname and Other Stuff
yield UInt32(self, "remaining_length")
yield UInt32(self, "unknown[]")
yield String(
self,
"hostname",
16,
"Computer hostname on which shortcut was last modified",
strip="\0")
yield RawBytes(self, "unknown[]", 32)
yield RawBytes(self, "unknown[]", 32)
elif self["signature"].value == 0xA0000005:
# Special Folder Info
yield Enum(
UInt32(self, "special_folder_id", "ID of the special folder"),
self.SPECIAL_FOLDER)
yield UInt32(self, "offset", "Offset to Item ID entry")
elif self["signature"].value in (0xA0000001, 0xA0000006, 0xA0000007):
if self["signature"].value == 0xA0000001: # Link Target Information
object_name = "target"
# DarwinID (Windows Installer ID) Information
elif self["signature"].value == 0xA0000006:
object_name = "darwinID"
else: # Custom Icon Details
object_name = "icon_path"
yield CString(self,
object_name,
"Data (ASCII format)",
charset="ASCII")
# 260*2 = size of next part
remaining = self["length"].value - self.current_size // 8 - 260 * 2
if remaining:
yield RawBytes(self, "slack_space[]", remaining,
"Data beyond end of string")
yield CString(self,
object_name + '_unicode',
"Data (Unicode format)",
charset="UTF-16-LE",
truncate="\0")
remaining = self["length"].value - self.current_size // 8
if remaining:
yield RawBytes(self, "slack_space[]", remaining,
"Data beyond end of string")
elif self["signature"].value == 0xA0000002:
# Console Window Properties
yield ColorTableIndex(self, "color_text", 4,
"Screen text color index")
yield ColorTableIndex(self, "color_bg", 4,
"Screen background color index")
yield NullBytes(self, "reserved[]", 1)
yield ColorTableIndex(self, "color_popup_text", 4,
"Pop-up text color index")
yield ColorTableIndex(self, "color_popup_bg", 4,
"Pop-up background color index")
yield NullBytes(self, "reserved[]", 1)
yield UInt16(self, "buffer_width",
"Screen buffer width (character cells)")
yield UInt16(self, "buffer_height",
"Screen buffer height (character cells)")
yield UInt16(self, "window_width",
"Window width (character cells)")
yield UInt16(self, "window_height",
"Window height (character cells)")
yield UInt16(self, "position_left",
"Window distance from left edge (screen coords)")
yield UInt16(self, "position_top",
"Window distance from top edge (screen coords)")
yield UInt32(self, "font_number")
yield UInt32(self, "input_buffer_size")
yield UInt16(self, "font_width",
"Font width in pixels; 0 for a non-raster font")
yield UInt16(
self, "font_height",
"Font height in pixels; equal to the font size for non-raster fonts"
)
yield UInt32(self, "font_family")
yield UInt32(self, "font_weight")
yield String(self,
"font_name_unicode",
64,
"Font Name (Unicode format)",
charset="UTF-16-LE",
truncate="\0")
yield UInt32(self, "cursor_size",
"Relative size of cursor (% of character size)")
yield Enum(
UInt32(self, "full_screen", "Run console in full screen?"),
self.BOOL_ENUM)
yield Enum(
UInt32(
self, "quick_edit",
"Console uses quick-edit feature (using mouse to cut & paste)?"
), self.BOOL_ENUM)
yield Enum(
UInt32(self, "insert_mode", "Console uses insertion mode?"),
self.BOOL_ENUM)
yield Enum(
UInt32(self, "auto_position",
"System automatically positions window?"),
self.BOOL_ENUM)
yield UInt32(self, "history_size",
"Size of the history buffer (in lines)")
yield UInt32(
self, "history_count",
"Number of history buffers (each process gets one up to this limit)"
)
yield Enum(
UInt32(
self, "history_no_dup",
"Automatically eliminate duplicate lines in the history buffer?"
), self.BOOL_ENUM)
for index in range(16):
yield ColorRef(self, "color[]")
elif self["signature"].value == 0xA0000004:
# Console Codepage Information
yield UInt32(self, "codepage", "Console's code page")
else:
yield RawBytes(self, "raw",
self["length"].value - self.current_size // 8)
def createFields(self):
yield UInt16(self, "length", "Length of Item ID Entry")
if not self["length"].value:
return
yield Enum(UInt8(self, "type"), self.ITEM_TYPE)
entrytype = self["type"].value
if entrytype in (0x1F, 0x70):
# GUID
yield RawBytes(self, "dummy", 1, "should be 0x50")
yield GUID(self, "guid")
elif entrytype == 0x2E:
# Shell extension
yield RawBytes(self, "dummy", 1, "should be 0x50")
if self["dummy"].value == '\0':
yield UInt16(self, "length_data",
"Length of shell extension-specific data")
if self["length_data"].value:
yield RawBytes(self, "data", self["length_data"].value,
"Shell extension-specific data")
yield GUID(self, "handler_guid")
yield GUID(self, "guid")
elif entrytype in (0x23, 0x25, 0x29, 0x2F):
# Drive
yield String(self, "drive", self["length"].value - 3, strip="\0")
elif entrytype in (0x30, 0x31, 0x32, 0x61, 0xb1):
yield RawBytes(self, "dummy", 1, "should be 0x00")
yield UInt32(self, "size", "size of file; 0 for folders")
yield DateTimeMSDOS32(self, "date_time",
"File/folder date and time")
yield MSDOSFileAttr16(self, "attribs", "File/folder attributes")
yield CString(self, "name", "File/folder name")
if self.root.hasUnicodeNames():
# Align to 2-bytes
n = paddingSize(self.current_size // 8, 2)
if n:
yield PaddingBytes(self, "pad", n)
yield UInt16(self, "length_w", "Length of wide struct member")
yield RawBytes(self, "unknown[]", 6)
yield DateTimeMSDOS32(self, "creation_date_time",
"File/folder creation date and time")
yield DateTimeMSDOS32(self, "access_date_time",
"File/folder last access date and time")
yield RawBytes(self, "unknown[]", 2)
yield UInt16(
self, "length_next",
"Length of next two strings (if zero, ignore this field)")
yield CString(self,
"unicode_name",
"File/folder name",
charset="UTF-16-LE")
if self["length_next"].value:
yield CString(self, "localized_name", "Localized name")
yield RawBytes(self, "unknown[]", 2)
else:
yield CString(self, "name_short", "File/folder short name")
elif entrytype in (0x41, 0x42, 0x46):
yield RawBytes(self, "unknown[]", 2)
yield CString(self, "name")
yield CString(self, "protocol")
yield RawBytes(self, "unknown[]", 2)
elif entrytype == 0x47:
# Whole Network
yield RawBytes(self, "unknown[]", 2)
yield CString(self, "name")
elif entrytype == 0xC3:
# Network Share
yield RawBytes(self, "unknown[]", 2)
yield CString(self, "name")
yield CString(self, "protocol")
yield CString(self, "description")
yield RawBytes(self, "unknown[]", 2)
elif entrytype == 0x4C:
# Web Folder
yield RawBytes(self, "unknown[]", 5)
yield TimestampWin64(self, "modification_time")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield UInt32(self, "unknown[]")
yield LnkString(self, "name")
yield RawBytes(self, "padding[]", 2)
yield LnkString(self, "address")
if self["address/length"].value:
yield RawBytes(self, "padding[]", 2)
else:
yield RawBytes(self, "raw", self["length"].value - 3)
def createFields(self):
yield Bits(self, "unused[]", 4)
yield Bit(self, "16bits")
yield Bits(self, "unused[]", 1)
yield Enum(Bits(self, "loop_mode", 2), SAMPLE_LOOP_MODE)
def createFields(self):
yield textHandler(UInt8(self, "zip_version", "ZIP version"),
ZipRevision)
yield Enum(UInt8(self, "host_os", "ZIP Host OS"), self.HOST_OS)
def createFields(self):
yield Enum(UInt8(self, "compression", "Compression method"),
self.COMPRESSION_NAME)
def createFields(self):
yield Enum(UInt32(self, "mode", "Layer mode"), self.MODE_NAME)
def createFields(self):
yield Enum(Bits(self, "ext_type", 4), self.EXT_TYPE)
ext_type = self['ext_type'].value
if ext_type == 1:
# Sequence extension
yield Bits(self, 'profile_and_level', 8)
yield Bit(self, 'progressive_sequence')
yield Bits(self, 'chroma_format', 2)
yield Bits(self, 'horiz_size_ext', 2)
yield Bits(self, 'vert_size_ext', 2)
yield Bits(self, 'bit_rate_ext', 12)
yield Bits(self, 'pad[]', 1)
yield Bits(self, 'vbv_buffer_size_ext', 8)
yield Bit(self, 'low_delay')
yield Bits(self, 'frame_rate_ext_n', 2)
yield Bits(self, 'frame_rate_ext_d', 5)
elif ext_type == 2:
# Sequence Display extension
yield Bits(self, 'video_format', 3)
yield Bit(self, 'color_desc_present')
if self['color_desc_present'].value:
yield UInt8(self, 'color_primaries')
yield UInt8(self, 'transfer_characteristics')
yield UInt8(self, 'matrix_coeffs')
yield Bits(self, 'display_horiz_size', 14)
yield Bits(self, 'pad[]', 1)
yield Bits(self, 'display_vert_size', 14)
yield NullBits(self, 'pad[]', 3)
elif ext_type == 8:
yield Bits(self,
'f_code[0][0]',
4,
description="forward horizontal")
yield Bits(self, 'f_code[0][1]', 4, description="forward vertical")
yield Bits(self,
'f_code[1][0]',
4,
description="backward horizontal")
yield Bits(self,
'f_code[1][1]',
4,
description="backward vertical")
yield Bits(self, 'intra_dc_precision', 2)
yield Bits(self, 'picture_structure', 2)
yield Bit(self, 'top_field_first')
yield Bit(self, 'frame_pred_frame_dct')
yield Bit(self, 'concealment_motion_vectors')
yield Bit(self, 'q_scale_type')
yield Bit(self, 'intra_vlc_format')
yield Bit(self, 'alternate_scan')
yield Bit(self, 'repeat_first_field')
yield Bit(self, 'chroma_420_type')
yield Bit(self, 'progressive_frame')
yield Bit(self, 'composite_display')
if self['composite_display'].value:
yield Bit(self, 'v_axis')
yield Bits(self, 'field_sequence', 3)
yield Bit(self, 'sub_carrier')
yield Bits(self, 'burst_amplitude', 7)
yield Bits(self, 'sub_carrier_phase', 8)
yield NullBits(self, 'pad[]', 2)
else:
yield NullBits(self, 'pad[]', 6)
else:
yield RawBits(self, "raw[]", 4)
def createFields(self):
yield Enum(UInt32(self, "type"), self.TYPE_NAME)
yield UInt32(self, "format")
yield filesizeHandler(UInt32(self, "size"))
yield UInt32(self, "offset")
def createFields(self):
yield Enum(textHandler(UInt32(self, "type"), hexadecimal),
self.ATTR_NAME)
yield UInt32(self, "size")
yield UInt8(self, "non_resident", "Non-resident flag")
yield UInt8(self, "name_length", "Name length in bytes")
yield UInt16(self, "name_offset", "Name offset")
yield UInt16(self, "flags")
yield textHandler(UInt16(self, "attribute_id"), hexadecimal)
if self['non_resident'].value:
yield UInt64(self, "runlist_start",
"Starting Virtual Cluster Number of the runlist")
yield UInt64(self, "runlist_stop",
"Ending Virtual Cluster Number of the runlist")
yield UInt16(self, "runlist_offset", "Offset to the runlist")
yield UInt16(self, "compression_unit", "Compression unit size")
yield UInt32(self, "unused[]")
yield UInt64(self, "size_allocated",
"Allocated size of the attribute content")
yield UInt64(self, "size_actual",
"Actual size of the attribute content")
yield UInt64(self, "size_initialized",
"Initialized size of the attribute content")
if self['name_length'].value:
padding = self.seekByte(self['name_offset'].value)
if padding:
yield padding
yield String(self,
"name",
self['name_length'].value * 2,
charset="UTF-16-LE")
padding = self.seekByte(self['runlist_offset'].value)
if padding:
yield padding
yield RunList(self, "runlist")
else:
yield UInt32(self, "length_attr", "Length of the Attribute")
yield UInt16(self, "offset_attr", "Offset of the Attribute")
yield UInt8(self, "indexed_flag")
if self['name_length'].value:
padding = self.seekByte(self['name_offset'].value)
if padding:
yield padding
yield String(self,
"name",
self['name_length'].value * 2,
charset="UTF-16-LE")
padding = self.seekByte(self['offset_attr'].value)
if padding:
yield padding
if self._parser:
yield from self._parser(self)
else:
size = self["length_attr"].value
if size:
yield RawBytes(self, "data", size)
size = (self.size - self.current_size) // 8
if size:
yield PaddingBytes(self, "end_padding", size)
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
yield SerializedContent(self, "classDesc")
self.root.newHandle(self)
yield SerializedContent(self, "enumConstantName")
def createFields(self):
yield String(self, "magic", 4, "Signature (BLP2)")
yield Enum(UInt32(self, "compression", "Compression type"), {
0: "JPEG Compressed",
1: "Uncompressed or DXT/S3TC compressed"
})
yield Enum(UInt8(self, "encoding", "Encoding type"), {
1: "Raw",
2: "DXT/S3TC Texture Compression (a.k.a. DirectX)"
})
yield UInt8(self, "alpha_depth",
"Alpha channel depth, in bits (0 = no alpha)")
yield Enum(
UInt8(self, "alpha_encoding", "Encoding used for alpha channel"), {
0: "DXT1 alpha (0 or 1 bit alpha)",
1: "DXT3 alpha (4 bit alpha)",
7: "DXT5 alpha (8 bit interpolated alpha)"
})
yield Enum(
UInt8(self, "has_mips", "Are mip levels present?"), {
0: "No mip levels",
1:
"Mip levels present; number of levels determined by image size"
})
yield UInt32(self, "width", "Base image width")
yield UInt32(self, "height", "Base image height")
for i in range(16):
yield UInt32(self, "mipmap_offset[]")
for i in range(16):
yield UInt32(self, "mipmap_size[]")
yield PaletteRGBA(self, "palette", 256)
compression = self["compression"].value
encoding = self["encoding"].value
alpha_depth = self["alpha_depth"].value
alpha_encoding = self["alpha_encoding"].value
width = self["width"].value
height = self["height"].value
if compression == 0: # JPEG Compression
yield UInt32(self, "jpeg_header_len")
yield RawBytes(self, "jpeg_header", self["jpeg_header_len"].value,
"Shared JPEG Header")
offsets = self.array("mipmap_offset")
sizes = self.array("mipmap_size")
for i in range(16):
if not offsets[i].value or not sizes[i].value:
continue
padding = self.seekByte(offsets[i].value)
if padding:
yield padding
if compression == 0:
yield RawBytes(
self, "mipmap[%i]" % i, sizes[i].value,
"JPEG data, append to header to recover complete image")
elif compression == 1 and encoding == 1:
yield Generic2DArray(self, "mipmap_indexes[%i]" % i, height,
width, PaletteIndex, "row", "index",
"Indexes into the palette")
if alpha_depth == 1:
yield GenericVector(self, "mipmap_alphas[%i]" % i, height,
width, Bit, "row", "is_opaque",
"Alpha values")
elif alpha_depth == 8:
yield GenericVector(self, "mipmap_alphas[%i]" % i, height,
width, UInt8, "row", "alpha",
"Alpha values")
elif compression == 1 and encoding == 2:
block_height = alignValue(height, 4) // 4
block_width = alignValue(width, 4) // 4
if alpha_depth in [0, 1] and alpha_encoding == 0:
yield Generic2DArray(self, "mipmap[%i]" % i, block_height,
block_width, DXT1, "row", "block",
"DXT1-compressed image blocks")
elif alpha_depth == 8 and alpha_encoding == 1:
yield Generic2DArray(self, "mipmap[%i]" % i, block_height,
block_width, DXT3, "row", "block",
"DXT3-compressed image blocks")
elif alpha_depth == 8 and alpha_encoding == 7:
yield Generic2DArray(self, "mipmap[%i]" % i, block_height,
block_width, DXT5, "row", "block",
"DXT5-compressed image blocks")
width /= 2
height /= 2
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
yield Int32(self, "handle")
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
yield SerializedContent(self, "classDesc")
self.root.newHandle(self)
yield ObjectValue(self, "value")
def createFields(self):
yield UInt32(self, "signature", "Shortcut signature (0x0000004C)")
yield GUID(self, "guid",
"Shortcut GUID (00021401-0000-0000-C000-000000000046)")
yield Bit(self, "has_shell_id", "Is the Item ID List present?")
yield Bit(self, "target_is_file", "Is a file or a directory?")
yield Bit(self, "has_description", "Is the Description field present?")
yield Bit(self, "has_rel_path",
"Is the relative path to the target available?")
yield Bit(self, "has_working_dir", "Is there a working directory?")
yield Bit(self, "has_cmd_line_args",
"Are there any command line arguments?")
yield Bit(self, "has_custom_icon", "Is there a custom icon?")
yield Bit(self, "has_unicode_names", "Are Unicode names used?")
yield Bit(self, "force_no_linkinfo")
yield Bit(self, "has_exp_sz")
yield Bit(self, "run_in_separate")
yield Bit(self, "has_logo3id", "Is LOGO3 ID info present?")
yield Bit(self, "has_darwinid", "Is the DarwinID info present?")
yield Bit(self, "runas_user", "Is the target run as another user?")
yield Bit(self, "has_exp_icon_sz",
"Is custom icon information available?")
yield Bit(self, "no_pidl_alias")
yield Bit(self, "force_unc_name")
yield Bit(self, "run_with_shim_layer")
yield PaddingBits(self, "reserved[]", 14,
"Flag bits reserved for future use")
yield MSDOSFileAttr32(self, "target_attr")
yield TimestampWin64(self, "creation_time")
yield TimestampWin64(self, "modification_time")
yield TimestampWin64(self, "last_access_time")
yield filesizeHandler(UInt32(self, "target_filesize"))
yield UInt32(self, "icon_number")
yield Enum(UInt32(self, "show_window"), self.SHOW_WINDOW_STATE)
yield textHandler(
UInt8(self, "hot_key", "Hot key used for quick access"),
text_hot_key)
yield Bit(self, "hot_key_shift", "Hot key: is Shift used?")
yield Bit(self, "hot_key_ctrl", "Hot key: is Ctrl used?")
yield Bit(self, "hot_key_alt", "Hot key: is Alt used?")
yield PaddingBits(self, "hot_key_reserved", 21, "Hot key: (reserved)")
yield NullBytes(self, "reserved[]", 8)
if self["has_shell_id"].value:
yield ItemIdList(self, "item_idlist", "Item ID List")
if self["target_is_file"].value:
yield FileLocationInfo(self, "file_location_info",
"File Location Info")
if self["has_description"].value:
yield LnkString(self, "description")
if self["has_rel_path"].value:
yield LnkString(self, "relative_path", "Relative path to target")
if self["has_working_dir"].value:
yield LnkString(self, "working_dir",
"Working directory (dir to start target in)")
if self["has_cmd_line_args"].value:
yield LnkString(self, "cmd_line_args", "Command Line Arguments")
if self["has_custom_icon"].value:
yield LnkString(self, "custom_icon", "Custom Icon Path")
while not self.eof:
yield ExtraInfo(self, "extra_info[]")
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
self.root.newHandle(self)
yield PascalString16(self, "value", charset="UTF-8")
def parseCreateBrushIndirect(parser):
yield Enum(UInt16(parser, "brush_style"), BRUSH_STYLE)
yield RGBA(parser, "color")
yield Enum(UInt16(parser, "brush_hatch"), HATCH_STYLE)
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
self.root.resetHandles()
def parseVideo(parent, size):
yield Enum(Bits(parent, "frame_type", 4, "Frame type"), FRAME_TYPE)
yield Enum(Bits(parent, "codec", 4, "Video codec"), VIDEO_CODEC_NAME)
if 1 < size:
yield RawBytes(parent, "data", size - 1)
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
yield UInt32(self, "size")
if self['size'].value:
yield RawBytes(self, "data", self['size'].value)
def createFields(self):
yield UInt32(self, "inodes_count", "Total inode count")
yield UInt32(self, "blocks_count", "Total block count")
yield UInt32(self, "r_blocks_count",
"Reserved (superuser-only) block count")
yield UInt32(self, "free_blocks_count", "Free block count")
yield UInt32(self, "free_inodes_count", "Free inode count")
yield UInt32(self, "first_data_block", "First data block")
yield UInt32(self, "log_block_size",
"Block size = 2**(10+log_block_size)")
yield UInt32(self, "log_frag_size", "Cluster size = 2**log_frag_size")
yield UInt32(self, "blocks_per_group", "Blocks per group")
yield UInt32(self, "frags_per_group", "Fragments per group")
yield UInt32(self, "inodes_per_group", "Inodes per group")
yield TimestampUnix32(self, "mtime", "Mount time")
yield TimestampUnix32(self, "wtime", "Write time")
yield UInt16(self, "mnt_count", "Mount count since the last fsck")
yield UInt16(self, "max_mnt_count",
"Max mount count before fsck is needed")
yield UInt16(self, "magic", "Magic number (0xEF53)")
yield Enum(UInt16(self, "state", "File system state"), self.state_desc)
yield Enum(UInt16(self, "errors", "Behaviour when detecting errors"),
self.error_handling_desc)
yield UInt16(self, "minor_rev_level", "Minor revision level")
yield TimestampUnix32(self, "last_check", "Time of last check")
yield textHandler(
UInt32(self, "check_interval", "Maximum time between checks"),
self.postMaxTime)
yield Enum(UInt32(self, "creator_os", "Creator OS"), self.os_name)
yield Enum(UInt32(self, "rev_level", "Revision level"),
self.revision_levels)
yield UInt16(self, "def_resuid", "Default uid for reserved blocks")
yield UInt16(self, "def_resgid", "Default gid for reserved blocks")
yield UInt32(self, "first_ino", "First non-reserved inode")
yield UInt16(self, "inode_size", "Size of inode structure")
yield UInt16(self, "block_group_nr",
"Block group # of this superblock")
yield FeatureCompatFlags(
self, "feature_compat",
"Compatible feature set (can mount even if these features are unsupported)"
)
yield FeatureIncompatFlags(
self, "feature_incompat",
"Incompatible feature set (must support all features to mount)")
yield FeatureROCompatFlags(
self, "feature_ro_compat",
"Read-only compatible feature set (can only mount r/o if a feature is unsupported)"
)
yield UUID(self, "uuid", "128-bit UUID for volume")
yield String(self, "volume_name", 16, "Volume name", strip="\0")
yield String(self,
"last_mounted",
64,
"Directory where last mounted",
strip="\0")
yield UInt32(self, "compression",
"For compression (algorithm usage bitmap)")
yield UInt8(self, "prealloc_blocks",
"Number of blocks to try to preallocate")
yield UInt8(self, "prealloc_dir_blocks",
"Number to preallocate for directories")
yield UInt16(self, "reserved_gdt_blocks",
"Number of reserved GDT entries for future expansion")
yield RawBytes(self, "journal_uuid", 16, "UUID of journal superblock")
yield UInt32(self, "journal_inum", "Inode number of journal file")
yield UInt32(
self, "journal_dev",
"Device number of journal file (if ext_journal feature is set)")
yield UInt32(self, "last_orphan",
"Start of list of orphaned inodes to delete")
# ext3 stuff
yield RawBytes(self, "hash_seed", 16,
"Seeds used for the directory indexing hash algorithm")
yield Enum(
UInt8(self, "def_hash_version",
"Default hash version for directory indexing"),
self.htree_hash_algo_desc)
yield UInt8(self, "jnl_backup_type",
"Does jnl_blocks contain a backup of i_block and i_size?")
yield UInt16(self, "desc_size",
"Size of group descriptors (if 64bit feature is set)")
yield DefaultMountOptionFlags(self, "default_mount_opts",
"Default mount options")
yield UInt32(
self, "first_meta_bg",
"First metablock block group (if meta_bg feature is set)")
yield TimestampUnix32(self, "mkfs_time",
"When the filesystem was created")
yield RawBytes(self, "jnl_blocks", 17 * 4,
"Backup of the journal inode's i_block and i_size")
yield PaddingBytes(self, "reserved[]",
(1024 << self['log_block_size'].value) -
self.current_size // 8)
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
self.root.resetHandles()
yield SerializedObject(self, "object")
self.root.resetHandles()
def parsePolyFillMode(parser):
yield Enum(UInt16(parser, "operation"), POLYFILL_MODE)
def createFields(self):
yield Enum(UInt8(self, "typecode"), TYPECODE_NAMES)
self.root.newHandle(self)
yield LongString(self, "value")
def parseEmfMappingMode(parser):
yield Enum(Int32(parser, "mapping_mode"), EMF_MAPPING_MODE)
def createFields(self):
yield Enum(
Bits(self, "marker_type", 4), {
0: "Simple",
1: "Int",
2: "Real",
3: "Date",
4: "Data",
5: "ASCII String",
6: "UTF-16-BE String",
8: "UID",
10: "Array",
13: "Dict",
})
markertype = self['marker_type'].value
if markertype == 0:
# Simple (Null)
yield Enum(Bits(self, "value", 4), {
0: "Null",
8: "False",
9: "True",
15: "Fill Byte",
})
if self['value'].display == "False":
self.xml = lambda prefix: prefix + "<false/>"
elif self['value'].display == "True":
self.xml = lambda prefix: prefix + "<true/>"
else:
self.xml = lambda prefix: prefix + ""
elif markertype == 1:
# Int
yield Bits(self, "size", 4, "log2 of number of bytes")
size = self['size'].value
# 8-bit (size=0), 16-bit (size=1) and 32-bit (size=2) numbers are unsigned
# 64-bit (size=3) numbers are signed
yield GenericInteger(self, "value", (size >= 3), (2**size) * 8)
self.xml = lambda prefix: prefix + \
"<integer>%s</integer>" % self['value'].value
elif markertype == 2:
# Real
yield Bits(self, "size", 4, "log2 of number of bytes")
if self['size'].value == 2: # 2**2 = 4 byte float
yield Float32(self, "value")
elif self['size'].value == 3: # 2**3 = 8 byte float
yield Float64(self, "value")
else:
# FIXME: What is the format of the real?
yield Bits(self, "value", (2**self['size'].value) * 8)
self.xml = lambda prefix: prefix + \
"<real>%s</real>" % self['value'].value
elif markertype == 3:
# Date
yield Bits(self, "extra", 4, "Extra value, should be 3")
# Use a heuristic to determine which epoch to use
def cvt_time(v):
v = timedelta(seconds=v)
epoch2001 = datetime(2001, 1, 1)
epoch1970 = datetime(1970, 1, 1)
if (epoch2001 + v - datetime.today()).days > 5 * 365:
return epoch1970 + v
return epoch2001 + v
yield displayHandler(Float64(self, "value"),
lambda x: humanDatetime(cvt_time(x)))
self.xml = lambda prefix: prefix + "<date>%sZ</date>" % (cvt_time(
self['value'].value).isoformat())
elif markertype == 4:
# Data
yield BPListSize(self, "size")
if self['size'].value:
yield Bytes(self, "value", self['size'].value)
self.xml = lambda prefix: prefix + \
"<data>\n%s\n%s</data>" % (
self['value'].value.encode('base64').strip(), prefix)
else:
self.xml = lambda prefix: prefix + '<data></data>'
elif markertype == 5:
# ASCII String
yield BPListSize(self, "size")
if self['size'].value:
yield String(self,
"value",
self['size'].value,
charset="ASCII")
self.xml = lambda prefix: prefix + \
"<string>%s</string>" % (
self['value'].value.replace('&', '&').encode('iso-8859-1'))
else:
self.xml = lambda prefix: prefix + '<string></string>'
elif markertype == 6:
# UTF-16-BE String
yield BPListSize(self, "size")
if self['size'].value:
yield String(self,
"value",
self['size'].value * 2,
charset="UTF-16-BE")
self.xml = lambda prefix: prefix + \
"<string>%s</string>" % (
self['value'].value.replace('&', '&').encode('utf-8'))
else:
self.xml = lambda prefix: prefix + '<string></string>'
elif markertype == 8:
# UID
yield Bits(self, "size", 4, "Number of bytes minus 1")
yield GenericInteger(self, "value", False,
(self['size'].value + 1) * 8)
self.xml = lambda prefix: prefix + "" # no equivalent?
elif markertype == 10:
# Array
yield BPListSize(self, "size")
size = self['size'].value
if size:
yield BPListArray(self, "value", size)
self.xml = lambda prefix: self['value'].createXML(prefix)
elif markertype == 13:
# Dict
yield BPListSize(self, "size")
yield BPListDict(self, "value", self['size'].value)
self.xml = lambda prefix: self['value'].createXML(prefix)
else:
yield Bits(self, "value", 4)
self.xml = lambda prefix: ''
