mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-21 13:57:52 +00:00
35 lines
899 B
Bash
Executable File
35 lines
899 B
Bash
Executable File
#!/bin/bash
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set -e -o pipefail
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. /etc/functions
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TRACE "Under /bin/cbfs-init"
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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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# Load individual files
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cbfsfiles=`cbfs -t 50 -l 2>/dev/null | grep "^heads/initrd/"`
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for cbfsname in `echo $cbfsfiles`; do
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filename=${cbfsname:12}
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if [ ! -z "$filename" ]; then
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echo "Loading $filename from CBFS"
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mkdir -p `dirname $filename` \
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|| die "$filename: mkdir failed"
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cbfs -t 50 -r $cbfsname > "$filename" \
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|| die "$filename: cbfs file read failed"
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if [ "$CONFIG_TPM" = "y" ]; then
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TMPFILE=/tmp/cbfs.$$
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echo "$filename" > $TMPFILE
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cat $filename >> $TMPFILE
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echo " !!!!! Extending TPM PCR $CONFIG_PCR with $filename !!!!!"
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tpmr extend -ix "$CONFIG_PCR" -if $TMPFILE \
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|| die "$filename: tpm extend failed"
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fi
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fi
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done
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# TODO: copy CBFS file named "heads/initrd.tgz" to /tmp, measure and extract
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