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29 lines
661 B
Plaintext
29 lines
661 B
Plaintext
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#!/bin/ash
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set -e -o pipefail
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. /etc/functions
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# Update initrd with CBFS files
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if [ -z "$CONFIG_PCR" ]; then
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CONFIG_PCR=7
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fi
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CONFIG_GUID="74696e69-6472-632e-7069-6f2f75736572"
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# copy EFI file named $CONFIG_GUID to /tmp, measure and extract
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GUID=`uefi -l | grep "^$CONFIG_GUID"`
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if [ -n "GUID" ]; then
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echo "Loading $GUID from ROM"
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TMPFILE=/tmp/uefi.$$
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uefi -r $GUID | gunzip -c > $TMPFILE \
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|| die "Failed to read config GUID from ROM"
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if [ "$CONFIG_TPM" = "y" ]; then
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tpm extend -ix "$CONFIG_PCR" -if $TMPFILE \
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|| die "$filename: tpm extend failed"
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fi
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( cd / ; cpio -iud < $TMPFILE 2>/dev/null ) \
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|| die "Failed to extract config GUID"
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fi
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