mirror of
https://github.com/linuxboot/heads.git
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70 lines
2.5 KiB
Bash
Executable File
70 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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function printusage {
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echo "Usage: $0 -m <me_cleaner>(optional)"
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}
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BLOBDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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FINAL_ME_BIN_SHA256SUM="c140d04d792bed555e616065d48bdc327bb78f0213ccc54c0ae95f12b28896a4 $BLOBDIR/me.bin"
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ME_EXE_SHA256SUM="f60e1990e2da2b7efa58a645502d22d50afd97b53a092781beee9b0322b61153 g1rg24ww.exe"
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ME8_5M_PRODUCTION_SHA256SUM="821c6fa16e62e15bc902ce2e958ffb61f63349a471685bed0dc78ce721a01bfa app/ME8_5M_Production.bin"
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if [ "$#" -eq 0 ]; then printusage; fi
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while getopts ":m:" opt; do
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case $opt in
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m)
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if [ -x "$OPTARG" ]; then
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MECLEAN="$OPTARG"
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fi
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;;
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*)
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;;
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esac
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done
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if [ -e "$BLOBDIR/me.bin" ]; then
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echo "$BLOBDIR/me.bin found..."
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if ! echo "$FINAL_ME_BIN_SHA256SUM" | sha256sum --check; then
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echo "$BLOBDIR/me.bin doesn't pass integrity validation. Continuing..."
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rm -f "$BLOBDIR/me.bin"
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else
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echo "$BLOBDIR/me.bin already extracted and neutered outside of ROMP and BUP"
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exit 0
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fi
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fi
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if [ -z "$MECLEAN" ]; then
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MECLEAN=$(command -v "$BLOBDIR/../../build/x86/coreboot-"*/util/me_cleaner/me_cleaner.py 2>&1 | head -n1)
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if [ -z "$MECLEAN" ]; then
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echo "me_cleaner.py required but not found or specified with -m. Aborting."
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exit 1
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fi
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fi
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echo "### Creating temp dir"
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extractdir=$(mktemp -d)
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cd "$extractdir" || exit
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echo "### Downloading https://download.lenovo.com/pccbbs/mobiles/g1rg24ww.exe..."
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wget https://download.lenovo.com/pccbbs/mobiles/g1rg24ww.exe || { echo "ERROR: wget not found" && exit 1; }
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echo "### Verifying expected hash of g1rg24ww.exe"
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echo "$ME_EXE_SHA256SUM" | sha256sum --check || { echo "Failed sha256sum verification on downloaded binary..." && exit 1; }
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echo "### Extracting g1rg24ww.exe..."
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innoextract ./g1rg24ww.exe || { echo "Failed calling innoextract. Tool installed on host?" && exit 1; }
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echo "### Verifying expected hash of app/ME8_5M_Production.bin"
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echo "$ME8_5M_PRODUCTION_SHA256SUM" | sha256sum --check || { echo "Failed sha256sum verification on extracted binary..." && exit 1; }
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bioscopy="some_value" # Assign a value to the bioscopy variable
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echo "### Applying me_cleaner to neuter+deactivate+maximize reduction of ME on $bioscopy, outputting minimized ME under $BLOBDIR/me.bin... "
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"$MECLEAN" -r -t -O "$BLOBDIR/me.bin" app/ME8_5M_Production.bin
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echo "### Verifying expected hash of me.bin"
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echo "$FINAL_ME_BIN_SHA256SUM" | sha256sum --check || { echo "Failed sha256sum verification on final binary..." && exit 1; }
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echo "### Cleaning up..."
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cd - >/dev/null
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rm -r "$extractdir"
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