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Enable LUKS encrypted squashfs #2594

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Enable LUKS encrypted squashfs #2594

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19 changes: 17 additions & 2 deletions modules.d/90dmsquash-live/dmsquash-live-root.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -324,8 +324,23 @@ if [ -e "$SQUASHED" ]; then
SQUASHED="/run/initramfs/squashed.img"
fi

SQUASHED_LOOPDEV=$(losetup -f)
losetup -r "$SQUASHED_LOOPDEV" $SQUASHED
SQUASHED_TYPE=$(blkid -s TYPE -o value $SQUASHED)
if [ $SQUASHED_TYPE = 'crypto_LUKS' ]; then
luks_uuid=$(blkid -s UUID -o value $SQUASHED)
LUKS_LOOPDEV=$(losetup -fPr --show $SQUASHED)
SQUASHED_LOOPDEV="/dev/mapper/luks-$luks_uuid"
timeout=$(getarg rd.luks.timeout)
[ -z "$timeout" ] && timeout=86400
waittime=0
while [ ! -h $SQUASHED_LOOPDEV ] && [ $waittime -le $timeout ]; do
echo Waiting for $SQUASHED_LOOPDEV > /dev/kmsg
waittime=$(($waittime + 1))
sleep 1
done
else
SQUASHED_LOOPDEV=$(losetup -f)
losetup -r "$SQUASHED_LOOPDEV" $SQUASHED
fi
mkdir -m 0755 -p /run/initramfs/squashfs
mount -n -t squashfs -o ro "$SQUASHED_LOOPDEV" /run/initramfs/squashfs

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