fix typos and duplicate packet

exorcise/partition/ntfs/__init__.py

@@ -10,7 +10,10 @@ from .mft import MFTRecord
 
 class IDPacket(Struct):
     magic  = Sig(b'\x0E')
-    unk1   = Sig(bytes([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]))
+    type   = UInt(16)
+    unk3   = Data(4)
+    id     = UInt(32)
+    unk4   = Data(4)
     footer = Sig(b'\x0F')
 
 class BufferPacket(Struct, generics=['D']):
@@ -29,17 +32,9 @@ class BufferChecksumPacket(Struct):
     unk5     = Sig(bytes([0, 0, 0, 0]))
     footer   = Sig(b'\x0B')
 
-class MFTPacket(Struct):
-    magic  = Sig(b'\x0E')
-    type   = UInt(16)
-    unk3   = Data(4)
-    id     = UInt(32)
-    unk4   = Data(4)
-    footer = Sig(b'\x0F')
-
 
 class NTFSIndex(Struct):
-    header = MFTPacket
+    header = IDPacket
     b      = Data(10)
     data   = MFTRecord  # NTFSPropertyTag.SMftRecordSize
 

exorcise/partition/ntfs/attributes.py

@@ -224,7 +224,7 @@ class IndexRootAttribute(Struct):
         spec.node = IndexNode[Attribute.options[self.type]]
 
 @attribute(0xA0)
-class IndexAllocationAttribute(Struct, generic=['G']):
+class IndexAllocationAttribute(Struct, generics=['G']):
     nodes = Arr(IndexNode[G])
 
 @attribute(0xB0)