63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
MBR_LBA_GAP = 0x3f
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BOOT_PARITION_SIZE = 0x300B85
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RECOVER_PARTITION_SIZE = 0x300BC4
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partitions = [
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0x102d83,
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0x403947,
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0x403947,
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0x48ed459,
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0x20014aa,
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]
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ext_offset = 0
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offsets = [0] * len(partitions)
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extended_base = MBR_LBA_GAP + BOOT_PARITION_SIZE + RECOVER_PARTITION_SIZE
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for i in range(len(partitions)):
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offsets[i] = ext_offset + extended_base
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ext_offset += partitions[i] + MBR_LBA_GAP
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# (Start, end, data)
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accounted_for = [
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(0, 1, True), # MBR
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(1, MBR_LBA_GAP, False),
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(MBR_LBA_GAP, MBR_LBA_GAP + BOOT_PARITION_SIZE, True),
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(MBR_LBA_GAP + BOOT_PARITION_SIZE, MBR_LBA_GAP + BOOT_PARITION_SIZE + RECOVER_PARTITION_SIZE, True),
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]
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for n, (i, j) in enumerate(zip(offsets, partitions)):
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accounted_for.append((
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i, i + 1, True
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))
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if n == 0:
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# SBR
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accounted_for.append((
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i + 1, i + 4, True
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))
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accounted_for.append((
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i + 4, i + MBR_LBA_GAP, False
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))
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else:
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accounted_for.append((
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i + 1, i + MBR_LBA_GAP, False
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))
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accounted_for.append((
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i + MBR_LBA_GAP, i + MBR_LBA_GAP + j, True
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))
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assert accounted_for[-1][1] == 0x77fa1d7
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last = 0
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for i in accounted_for:
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assert i[0] == last
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last = i[1]
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with open(r"G:\finale_dd\finale_dd.img", "rb") as finale_dd:
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for i in accounted_for:
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if i[2]:
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continue
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nbytes = i[1] - i[0]
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finale_dd.seek(i[0] * 512)
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print(f"Checking at {i[0] * 512:012x}-{i[1] * 512:012x}")
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if any(finale_dd.read(nbytes * 512)):
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print("!! FAIL")
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