49 lines
939 B
Bash
49 lines
939 B
Bash
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#!/bin/sh
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. /usr/local/etc/unlock-luks.conf
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. /usr/local/share/unlock-luks-helpers.sh
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REMOTE_UNLOCK=/usr/local/bin/remote-unlock.sh
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DROPBEAR_PORT="${DROPBEAR_PORT:-22}"
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TIMEOUT="${TIMEOUT:-60}"
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YK_SLOT="${YK_SLOT:-2}"
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[ -z "$YK_CHALLENGE" ] && return 1
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[ -z "$SOURCE_UUIDS" ] && return 1
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[ -z "$TARGETS" ] && return 1
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loop() {
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starttime=$(date +%s)
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usedtime=0
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while ! check_is_open && [ "$usedtime" -le "$TIMEOUT" ]; do
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while [ -f "$LOCK_FILE" ]; do
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sleep 1
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done
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yk_decrypt
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sleep 1
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endtime=$(date +%s)
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usedtime=$((endtime - starttime))
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done
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}
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dropbear \
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-R -s -F \
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-G root \
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-p "${DROPBEAR_PORT}" \
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-c "${REMOTE_UNLOCK}" &
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DROPBEAR_PID="$!"
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sleep 0.5
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# shellcheck disable=SC2064
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trap "kill $DROPBEAR_PID" EXIT
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loop
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kill "${DROPBEAR_PID}"
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if check_is_open; then
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printf "decryption succeeded\n"
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else
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printf "decryption failed\n"
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fi
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