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#!/bin/sh
. /lib/partman/lib/crypto-base.sh
# 1. Check if active encrypted devices exist
crypto=no
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
if [ -f crypt_realdev ]; then
crypto=yes
break
fi
done
if [ $crypto = no ]; then
exit 0
fi
# 2. Check if unencrypted swap has been configured
for dev in $DEVICES/*; do
[ -d "$dev" ] || continue
cd $dev
# Accept swap on crypto
[ -f crypt_realdev ] && continue
device=$(cat $dev/device)
# Accept e.g. swap on lvm on crypto
if echo $device | grep -q "^/dev/mapper/"; then
if dm_is_safe "$device"; then
continue
fi
fi
partitions=
open_dialog PARTITIONS
while { read_line num id size type fs path name; [ "$id" ]; }; do
[ "$fs" != free ] || continue
partitions="$partitions $id"
done
close_dialog
for id in $partitions; do
[ -f $id/method ] || continue
method=$(cat $id/method)
if [ "$method" = swap ]; then
# Unsafe swap! Abort commit
db_fset partman-crypto/unsafe_swap seen false
db_input critical partman-crypto/unsafe_swap
db_go || true
exit 1
fi
done
done
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