2005-06-13 10:57:58 +02:00
|
|
|
#! /bin/sh
|
|
|
|
#
|
|
|
|
# cryptodisks Now that all block devices should be available, setup
|
|
|
|
# encrypted block devices
|
|
|
|
#
|
|
|
|
# this script was slightly modified by age-at-systemausfall-dot-org,
|
2005-06-13 20:11:31 +02:00
|
|
|
# it now also executes mount commands. search for "MODED".
|
2005-06-13 10:57:58 +02:00
|
|
|
# it probably won't work with losetup (just devmapper)!
|
|
|
|
|
|
|
|
CRYPTCMD=/sbin/cryptsetup
|
|
|
|
DEVMAPCMD=/sbin/dmsetup
|
|
|
|
TABFILE=/etc/crypttab
|
|
|
|
MAPPER=/dev/mapper
|
|
|
|
|
|
|
|
test -x $CRYPTCMD || exit 0
|
|
|
|
test -x $DEVMAPCMD || exit 0
|
|
|
|
test -f $TABFILE || exit 0
|
|
|
|
|
|
|
|
[ -r /etc/default/cryptdisks ] && . /etc/default/cryptdisks
|
|
|
|
|
|
|
|
case "$CRYPTDISKS_ENABLE" in
|
|
|
|
[Nn]*)
|
|
|
|
exit 0
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
|
|
|
|
$DEVMAPCMD mknodes
|
|
|
|
|
|
|
|
case "$1" in
|
|
|
|
start)
|
|
|
|
echo -n "Starting crypto disks:"
|
|
|
|
egrep -v "^[[:space:]]*(#|$)" $TABFILE | while read dst src key opt; do
|
|
|
|
echo -ne "\n\t $dst"
|
|
|
|
if [ -b $MAPPER/$dst ]; then
|
|
|
|
### test if mapped but not mounted (probably wrong passphrase)
|
|
|
|
if [ `mount | grep -c /dev/mapper/$dst` -lt 1 ]; then
|
|
|
|
echo -n " (removing)"
|
|
|
|
$CRYPTCMD remove $dst
|
|
|
|
else
|
|
|
|
echo -n " (running)"
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
if [ ! -b $MAPPER/$dst ]; then
|
|
|
|
###
|
|
|
|
#else
|
|
|
|
echo -n " (starting)"
|
|
|
|
if [ "x$key" != "x" ] && [ "x$key" != "xnone" ]; then
|
|
|
|
INTERACTIVE="no"
|
|
|
|
if test -e "$key" ; then
|
|
|
|
MODE=`ls -l $key | sed 's/^....\(......\).*/\1/'`
|
|
|
|
OWNER=`ls -l $key | sed 's/^[^ ]* *[^ ]* *\([^ ]*\).*/\1/'`
|
|
|
|
if test "$MODE" != "------" && \
|
|
|
|
test "$key" != "/dev/urandom" && \
|
|
|
|
test "$key" != "/dev/hwrandom" && \
|
|
|
|
test "$key" != "/dev/random"; then
|
|
|
|
echo " - INSECURE MODE FOR $key" >&2
|
|
|
|
fi
|
|
|
|
if test $OWNER != root; then
|
|
|
|
echo " - INSECURE OWNER FOR $key" >&2
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
echo " - Keyfile for $dst not found, skipping" >&2
|
|
|
|
continue
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
INTERACTIVE="yes"
|
|
|
|
echo "..."
|
|
|
|
fi
|
|
|
|
|
|
|
|
PARAMS=""
|
|
|
|
MAKESWAP=""
|
|
|
|
MAKETMP=""
|
|
|
|
SKIP=""
|
|
|
|
|
|
|
|
# Parse the options field, convert to cryptsetup parameters
|
|
|
|
# and contruct the command line
|
|
|
|
while test "x$opt" != "x" ; do
|
|
|
|
ARG=`echo $opt | sed "s/,.*//"`
|
|
|
|
opt=${opt##$ARG}
|
|
|
|
opt=${opt##,}
|
|
|
|
PARAM=`echo $ARG | sed "s/=.*//"`
|
|
|
|
VALUE=${ARG##$PARAM=}
|
|
|
|
|
|
|
|
case "$PARAM" in
|
|
|
|
readonly)
|
|
|
|
PARAM=-r
|
|
|
|
VALUE=""
|
|
|
|
;;
|
|
|
|
cipher)
|
|
|
|
PARAM=-c
|
|
|
|
if test "x$VALUE" = "x" ; then
|
|
|
|
echo " - no value for cipher option, skipping" >&2
|
|
|
|
SKIP="yes"
|
|
|
|
fi
|
|
|
|
;;
|
|
|
|
size)
|
|
|
|
PARAM=-s
|
|
|
|
if test "x$VALUE" = "x" ; then
|
|
|
|
echo " - no value for size option, skipping" >&2
|
|
|
|
SKIP="yes"
|
|
|
|
fi
|
|
|
|
;;
|
|
|
|
hash)
|
|
|
|
PARAM=-h
|
|
|
|
if test "x$VALUE" = "x" ; then
|
|
|
|
echo " - no value for hash option, skipping" >&2
|
|
|
|
SKIP=yes
|
|
|
|
fi
|
|
|
|
;;
|
|
|
|
verify)
|
|
|
|
PARAM=-y
|
|
|
|
VALUE=""
|
|
|
|
;;
|
|
|
|
swap)
|
|
|
|
MAKESWAP=yes
|
|
|
|
PARAM=""
|
|
|
|
VALUE=""
|
|
|
|
;;
|
|
|
|
tmp)
|
|
|
|
MAKETMP=yes
|
|
|
|
PARAM=""
|
|
|
|
VALUE=""
|
|
|
|
esac
|
|
|
|
PARAMS="$PARAMS $PARAM $VALUE"
|
|
|
|
done
|
|
|
|
|
|
|
|
# Set up loopback devices
|
|
|
|
if test -f "$src" ; then
|
|
|
|
test -d /sys/block/loop0 || modprobe loop || SKIP=yes
|
|
|
|
LOOP_ID=
|
|
|
|
for i in 0 1 2 3 4 5 6 7 ; do
|
|
|
|
if test "x`cat /sys/block/loop$i/size`" = "x0" ; then
|
|
|
|
LOOP_ID=$i
|
|
|
|
break
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
if test "x$LOOP_ID" = "x" ; then
|
|
|
|
SKIP=yes
|
|
|
|
else
|
|
|
|
losetup /dev/loop$LOOP_ID $src || SKIP=yes
|
|
|
|
src=/dev/loop$LOOP_ID
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test "x$SKIP" = "xyes" ; then
|
|
|
|
continue
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test "x$INTERACTIVE" = "xyes" ; then
|
|
|
|
if [ -e $src ];then
|
|
|
|
$CRYPTCMD $PARAMS create $dst $src <&1
|
|
|
|
else
|
|
|
|
echo -en "\t\t$src not found"
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
if [ -e $src ];then
|
|
|
|
$CRYPTCMD $PARAMS -d $key create $dst $src
|
|
|
|
else
|
|
|
|
echo -en "\t\t$src not found"
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test "x$MAKESWAP" = "xyes" && test -b $MAPPER/$dst; then
|
|
|
|
mkswap $MAPPER/$dst 2>/dev/null >/dev/null
|
|
|
|
fi
|
|
|
|
|
|
|
|
if test "x$MAKETMP" = "xyes" && test -b $MAPPER/$dst; then
|
|
|
|
mke2fs $MAPPER/$dst 2>/dev/null >/dev/null
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
echo "."
|
2005-06-13 20:11:31 +02:00
|
|
|
### MODED: mount stuff by age
|
2005-06-13 10:57:58 +02:00
|
|
|
partitions=`dmsetup ls | cut -f1`
|
|
|
|
for i in $partitions; do
|
2005-06-13 20:11:31 +02:00
|
|
|
if [ `mount | grep -c "^/dev/mapper/$i$"` -lt 1 ]; then
|
2005-06-13 10:57:58 +02:00
|
|
|
echo -en "\t$i (mounting)"
|
|
|
|
mount /dev/mapper/$i > /dev/null 2>&1
|
2005-06-13 20:11:31 +02:00
|
|
|
if [ $(mount | grep -c "^/dev/mapper/$i$") -lt 1 ]; then
|
2005-06-13 10:57:58 +02:00
|
|
|
echo -en " (\"mount /dev/mapper/$i\" failed)"
|
|
|
|
fi
|
|
|
|
echo ""
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
###
|
|
|
|
;;
|
|
|
|
stop)
|
|
|
|
echo -n "Stopping crypto disks:"
|
|
|
|
egrep -v "^[[:space:]]*(#|$)" $TABFILE | while read dst src key; do
|
|
|
|
echo -ne "\n\t $dst"
|
|
|
|
if test -b $MAPPER/$dst; then
|
|
|
|
if $DEVMAPCMD info $dst | grep -q '^Open count: *0$'; then
|
|
|
|
dev=`$DEVMAPCMD table $dst | sed 's/^.* \([0-9]*:[0-9]*\) .*/\1/'`
|
|
|
|
major=`echo $dev | sed 's/:.*//'`
|
|
|
|
minor=`echo $dev | sed 's/.*://'`
|
|
|
|
|
|
|
|
$CRYPTCMD remove $dst
|
|
|
|
if test -b $MAPPER/$dst; then
|
|
|
|
echo -n " (busy) (still decrypted)"
|
|
|
|
else
|
|
|
|
echo -n " (stopped)"
|
|
|
|
fi
|
|
|
|
# Detach loopback device, if attached
|
|
|
|
if test -f $src -a $major -eq 7; then
|
|
|
|
losetup -d /dev/loop$minor
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
echo -n " (busy) (still decrypted)"
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
echo -n " (stopped)"
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
|
|
|
|
echo "."
|
|
|
|
;;
|
|
|
|
restart|reload|force-reload)
|
|
|
|
$0 stop
|
|
|
|
$0 start
|
|
|
|
;;
|
|
|
|
retry)
|
|
|
|
$0 start
|
|
|
|
;;
|
|
|
|
*)
|
|
|
|
echo "Usage: $0 {start|stop|restart|reload|force-reload|retry}"
|
|
|
|
;;
|
|
|
|
esac
|
|
|
|
|