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brant-ruan/compile_exp_and_compress_cpio.sh

Created September 2, 2022 06:57
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compile_exp_and_compress_cpio.sh
#!/bin/bash
# Compress initramfs with the included statically linked exploit
in=$1
out=$(echo $in | awk '{ print substr( $0, 1, length($0)-2 ) }')
gcc $in -static -o $out || exit 255
mv $out initramfs
pushd . && pushd initramfs
find . -print0 | cpio --null --format=newc -o 2>/dev/null | gzip -9 > ../initramfs.cpio.gz
popd
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