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33 lines
655 B
Bash
33 lines
655 B
Bash
#!/bin/bash
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#
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# Quick and dirty extracter to get the EC image out of the iso file
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# Copyright (C) 2016 Hamish Coleman
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#
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# TODO:
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# - a tool that is portable to Windows
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# - should output dependancy information
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INFOFILE="$1"
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if [ ! -r "$INFOFILE" ]; then
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echo Need file with source and offset info
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exit 1
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fi
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shift
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OUT="$1"
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if [ -z "$OUT" ]; then
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echo Need output filename
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exit 1
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fi
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read SOURCE OFFSET LENGTH <"$INFOFILE"
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# assume that output filename is blahdyblah.img.orig
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OUT1=$(basename "$OUT" .orig).enc.orig
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set -x
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dd if=$SOURCE bs=$[$OFFSET] skip=1 | dd bs=$[$LENGTH] count=1 of="$OUT1"
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mec-tools/mec_encrypt -d "$OUT1" >"$OUT"
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