-setup_loop() {
- local fspath=$1
- local module=$2
- local pattern=$3
- local offset=$4
-
- modprobe ${MP_QUIET} -b "$module"
- udevsettle
-
- for loopdev in $pattern; do
- if [ "$(cat $loopdev/size)" -eq 0 ]; then
- dev=$(sys2dev "${loopdev}")
- if [ -n "$offset" ]; then
- losetup -o "$offset" "$dev" "$fspath"
- else
- losetup "$dev" "$fspath"
- fi
- echo "$dev"
- return 0
- fi
- done
- panic "No loop devices available"
+load_keymap ()
+{
+ # Load custom keymap
+ if [ -x /bin/loadkeys -a -r /etc/boottime.kmap.gz ]
+ then
+ loadkeys /etc/boottime.kmap.gz
+ fi
+}
+
+setup_loop ()
+{
+ local fspath=${1}
+ local module=${2}
+ local pattern=${3}
+ local offset=${4}
+ local encryption=${5}
+
+ modprobe -q -b "${module}"
+ udevsettle
+
+ for loopdev in ${pattern}
+ do
+ if [ "$(cat ${loopdev}/size)" -eq 0 ]
+ then
+ dev=$(sys2dev "${loopdev}")
+ options=''
+
+ if [ 0 -lt "${offset}" ]
+ then
+ options="${options} -o ${offset}"
+ fi
+
+ if [ -z "${encryption}" ]
+ then
+ losetup ${options} "${dev}" "${fspath}"
+ else
+ # Loop AES encryption
+ while true
+ do
+ load_keymap
+
+ echo -n "Enter passphrase for root filesystem: " >&6
+ read -s passphrase
+ echo "${passphrase}" > /tmp/passphrase
+ unset passphrase
+ exec 9</tmp/passphrase
+ /sbin/losetup ${options} -e "${encryption}" -p 9 "${dev}" "${fspath}"
+ error=${?}
+ exec 9<&-
+ rm -f /tmp/passphrase
+
+ if [ 0 -eq ${error} ]
+ then
+ unset error
+ break
+ fi
+
+ echo
+ echo -n "There was an error decrypting the root filesystem ... Retry? [Y/n] " >&6
+ read answer
+
+ if [ "$(echo "${answer}" | cut -b1 | tr A-Z a-z)" = "n" ]
+ then
+ unset answer
+ break
+ fi
+ done
+ fi
+
+ echo "${dev}"
+ return 0
+ fi
+ done
+
+ panic "No loop devices available"