-PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
-DAEMON=/usr/sbin/tincd
-NAME=tinc
-DESC="tinc daemons"
-NETS="test2"
-
-TCONF="/etc/tinc"
-
-test -f $DAEMON || exit 0
-
-set -e
-
-# Check the daemon
-if [ ! -x $TINCD ]; then
- echo "**tinc: daemon $TINCD does not exist or is not executable!"
- exit
-fi
-
-# Check the configuration directory
-if [ ! -d $TCONF ]; then
- echo "**tinc: configuration directory ($TCONF) not found!"
- exit
-fi
-
-
-##############################################################################
-# vpn_load () Loads VPN configuration
-#
-# $1 ... VPN to load
-
-
-vpn_load () {
- CFG="$TCONF/$1/tinc.conf"
- [ -f $CFG ] || { echo "tinc: $CFG does not exist" >&2 ; return 1; }
-
- # load TINCD config
- DEV=`grep -i -e '^[[:space:]]*TapDevice' $CFG | sed 's/[[:space:]]//g; s/^.*=//g'`
- VPN=`grep -i -e '^[[:space:]]*(MyOwnVPNIP|MyVirtualIP)' -E $CFG | head -1 | sed 's/[[:space:]]//g; s/^.*=//g'`
-
- # discourage empty and multiple entries
- [ -z "$DEV" ] && \
- { echo "tinc: TapDevice required" >&2 ; return 2; }
- echo $DEV | grep -q '^/dev/tap' ||
- { echo "tinc: TapDevice should be in form /dev/tapX" >&2 ; return 2; }
- [ `echo $DEV | wc -l` -gt 1 ] &&
- { echo "tinc: multiple TapDevice entries not allowed" >&2 ; return 3; }
- [ -z "$VPN" ] && \
- { echo "tinc: MyOwnVPNIP/MyVirtualIP required" >&2 ; return 2; }
- [ `echo $VPN | wc -l` -gt 1 ] &&
- { echo "tinc: multiple MyOwnVPNIP/MyVirtualIP entries not allowed" >&2 ; return 3; }
- echo $VPN | grep -q -x \
- '\([[:digit:]]\{1,3\}\.\)\{3\}[[:digit:]]\{1,3\}/[[:digit:]]\{1,2\}' || \
- { echo "tinc: badly formed MyOwnVPNIP/MyVirtualIP address $VPN" ; return 3; }
-
- # network device
- TAP=`echo $DEV | cut -d"/" -f3`
- NUM=`echo $TAP | sed 's/tap//'`
-
- # IP address, netmask length
- ADR=`echo $VPN | cut -d"/" -f1`
- LEN=`echo $VPN | cut -d"/" -f2`
-
- # Expand bitlength to netmask
- MSK=""; len=$LEN
- for cnt in 1 1 1 0 ; do
- if [ $len -ge 8 ]; then
- msk=8
- else
- msk=$len
- fi
-
- MSK="$MSK$((255 & (255 << (8 - msk))))"
- [ $cnt -ne 0 ] && MSK="$MSK."
- len=$((len-msk))
- done
-
- # Network & broadcast addresses
-# BRD=`ipcalc --broadcast $ADR $MSK | cut -d"=" -f2`
-# NET=`ipcalc --network $ADR $MSK | cut -d"=" -f2`
-
- # MAC address
- MAC=`printf "fe:fd:%0.2x:%0.2x:%0.2x:%0.2x" $(echo $ADR | sed 's/\./ /g')`
- echo
- echo "TAP $TAP NUM $NUM ADR $ADR LEN $LEN MSK $MSK BRD $BRD NET $NET MAC $MAC" >&2
- return 0
-}
-
-
-##############################################################################
-# vpn_start () starts specified VPN
-#
-# $1 ... VPN to start
-
-vpn_start () {
-
- vpn_load $1 || { echo "**tinc: could not vpn_load $1" >&2 ; return 1; }
-
- # create device file
- if [ ! -c $DEV ]; then
- [ -e $DEV ] && rm -f $DEV
- mknod --mode=0600 $DEV c 36 $((16 + NUM))
- fi
-
- # load device module
- { insmod ethertap --name="ethertap$NUM" unit="$NUM" 2>&1 || \
- { echo "**tinc: cannot insmod ethertap$NUM" >&2 ; return 2; } ;
- } | grep -v '^Us'
-
- # configure the interface
- ip link set $TAP address $MAC
- ip link set $TAP up
- ip addr flush dev $TAP 2>&1 | grep -v -x '^Nothing to flush.'
- ip addr add $VPN brd $BRD dev $TAP
-
- # start tincd
- $TINCD --net="$1" $DEBUG || \
- { echo "**tinc: could not start $TINCD" >&2; return 3; }
-
- # default interface route
- # ip route add $NET/$LEN dev $TAP
-
- # setup routes
- /etc/sysconfig/network-scripts/ifup-routes $TAP
-
- return 0
-} # vpn_start
-
-
-##############################################################################
-# vpn_stop () Stops specified VPN
-#
-# $1 ... VPN to stop
-
-vpn_stop () {
-
- vpn_load $1 || return 1
-
- # flush the routing table
- # ip route flush dev $TAP &> /dev/null
-
- # kill the tincd daemon
- PID="$TPIDS/tinc.$1.pid"
- if [ -f $PID ]; then
- $TINCD --net="$1" --kill &> /dev/null
- RET=$?
-
- if [ $RET -eq 0 ]; then
- dly=0
- while [ $dly -le 5 ]; do
- [ -f $PID ] || break
- sleep 1; dly=$((dly+1))
- done
- fi
-
- [ -f $PID ] && rm -f $PID
- fi