mirror of
https://github.com/ISpillMyDrink/OpenSuperClone.git
synced 2026-05-03 21:40:33 +00:00
Julian Frohmüller
130 lines
3.2 KiB
Plaintext
130 lines
3.2 KiB
Plaintext
seti $printhelp = $printhelp
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seti $help = $help
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if $help = 1
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echo 'Western Digital ROYL dump module 02 to file using vendor specific commands.'
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echo 'By default this will dump the sectors of the module to the file "mod02.bin".'
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echo 'It will also display the data on the screen.'
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echo 'Note that some USB drives do not support these vendor specific commands.'
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if $printhelp = 1
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exit 0
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endif
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echo 'Hit ENTER to continue...'
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userinput $choicestring
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previousscript
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endif
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include good_subroutines.osc
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# set a blank string variable to compare with user input
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# make sure not to set this anyplace else
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sets $null = ""
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# set this to itself for use with the menu system
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# make sure not to set this anyplace else
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# if it was not previously set it will = 0
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seti $using_menu = $using_menu
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seti $ask = 0
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variablecheck $file
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if $error_level < 16
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seti $ask = 1
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elseif $using_menu = 1
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seti $ask = 1
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endif
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if $ask = 1
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echo "Enter file name, or leave blank to show data on screen:"
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userinput $choicestring
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sets $file = $choicestring
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endif
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getfilesize $file
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if $error_level < 0
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echo "File '" $file "' not found."
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previousscript
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else
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seti $buffersize = $error_level
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buffersize $buffersize
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seti $scratchpad_size = $buffersize
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scratchpadsize $scratchpad_size
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clearbuffer
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readbuffer $file 0 0 $buffersize
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echo "Data read from file: " $file
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endif
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copybuffertoscratchpad 0 0 $buffersize
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seti $mod_length_sectors = $buffersize / 512
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# process the module
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echo "Header:"
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printscratchpad 0 4
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seti $mod_id = scratchpad 8 w
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echo "Module ID = " $mod_id
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echo "Size in sectors = " $mod_length_sectors
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seti $checksum = scratchpad 0xc dw
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hex
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echo "32 bit checksum = 0x" $checksum
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decimal
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echo "Mod version:"
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printscratchpad 0x10 8
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seti $total_records = scratchpad 0x30 w
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echo "Total records = " $total_records
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# process the data records
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seti $count = 0
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while $count < $total_records
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seti $offset = $count * 4
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seti $count = $count + 1
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seti $offset = $offset + 0x32
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seti $record_offset = scratchpad $offset w
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seti $offset = $offset + 2
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seti $record_size = scratchpad $offset w
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echo ""
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echo "Data record #" $count ":"
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printscratchpad $record_offset $record_size
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done
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# show the user and master passwords
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seti $offset = 18 * 4
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seti $offset = $offset + 0x32
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seti $record_offset = scratchpad $offset w
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seti $record_offset = $record_offset + 4
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echo ""
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echo "User password:"
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printscratchpad $record_offset 32
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seti $record_offset = $record_offset + 32
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echo "Master password:"
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printscratchpad $record_offset 32
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# calculate checksum
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seti $calculated_checksum = 0
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seti $count = 0
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while $count < $scratchpad_size
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seti $dword = scratchpad $count dw
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seti $calculated_checksum = $calculated_checksum + $dword
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seti $count = $count + 4
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# skip the actual checksum bytes
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if $count = 0xc
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seti $count = $count + 4
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endif
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done
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seti $calculated_checksum = $calculated_checksum & 0xffffffff
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seti $calculated_checksum = 0xffffffff - $calculated_checksum
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seti $calculated_checksum = $calculated_checksum + 1
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if $checksum = $calculated_checksum
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sets $message = " (good)"
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else
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sets $message = " (BAD)"
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endif
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hex
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echo
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echo "Calculated Checksum = 0x" $calculated_checksum $message
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decimal
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previousscript
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end
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