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sbin/insmod wrapper: Add TRACE and DEBUG traces

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Thierry Laurion 2023-09-02 04:16:16 -04:00
parent 52947e2767
commit 51b1ad39c3
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GPG Key ID: E7B4A71658E36A93
1 changed files with 7 additions and 4 deletions
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11
initrd/sbin/insmod
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@ -4,10 +4,9 @@
# The default PCR to be extended is 5, but can be # The default PCR to be extended is 5, but can be
# overridden with the MODULE_PCR environment variable # overridden with the MODULE_PCR environment variable
die() { . /etc/functions
echo >&2 "$@"
exit 1 TRACE "Under insmod.sh"
}
MODULE="$1"; shift MODULE="$1"; shift
@ -31,18 +30,22 @@ if [ ! -r /sys/class/tpm/tpm0/pcrs -o ! -x /bin/tpm ]; then
fi fi
if [ -z "$tpm_missing" ]; then if [ -z "$tpm_missing" ]; then
DEBUG "Extending PCR $MODULE_PCR with $MODULE"
tpmr extend -ix "$MODULE_PCR" -if "$MODULE" \ tpmr extend -ix "$MODULE_PCR" -if "$MODULE" \
|| die "$MODULE: tpm extend failed" || die "$MODULE: tpm extend failed"
fi fi
if [ ! -z "$*" -a -z "$tpm_missing" ]; then if [ ! -z "$*" -a -z "$tpm_missing" ]; then
DEBUG "Extending PCR $MODULE_PCR with $*"
TMPFILE=/tmp/insmod.$$ TMPFILE=/tmp/insmod.$$
echo "$@" > $TMPFILE echo "$@" > $TMPFILE
DEBUG "Extending PCR $MODULE_PCR with $TMPFILE"
tpmr extend -ix "$MODULE_PCR" -if $TMPFILE \ tpmr extend -ix "$MODULE_PCR" -if $TMPFILE \
|| die "$MODULE: tpm extend on arguments failed" || die "$MODULE: tpm extend on arguments failed"
fi fi
# Since we have replaced the real insmod, we must invoke # Since we have replaced the real insmod, we must invoke
# the busybox insmod via the original executable # the busybox insmod via the original executable
DEBUG "Loading $MODULE with busybox insmod"
busybox insmod "$MODULE" "$@" \ busybox insmod "$MODULE" "$@" \
|| die "$MODULE: insmod failed" || die "$MODULE: insmod failed"