#
# chkconfig: 2345 46 54
#
-# version: 1.0.4
-# author
: Lubomir Bulej <pallas@kadan.cz>
-# Modified for RPM by Mads Kiilerich <mads@kiilerich.com>
+# version: 1.0.8
+# author
s: Lubomir Bulej <pallas@kadan.cz>
+# Mads Kiilerich <mads@kiilerich.com>
#
-# description: this script takes care of starting and setting up of VPNs \
-# provided by tincd daemon. It parses the configuration files \
-# in all VPN directories and sets up the interfaces and routing
+# description: This script parses tinc configuration files for networks given \
+# in /etc/tinc/nets.boot and for each of the networks it sets up \
+# the interface and static routes and starts the tinc daemon.
#
# processname: tincd
TPIDS=/var/run
#DEBUG=-dddd
+NETSFILE=$TCONF/nets.boot
+
# Check the daemon
if [ ! -x $TINCD ]; then
- echo "**tinc: daemon $TINCD does not exist or is not executable!"
+ echo "**tinc: $TINCD does not exist or is not executable!" >&2
exit
fi
-# Check if ip-route is installed
-if [ ! -f /sbin/ip ]; then
- echo "**tinc: ip-route utilities not installed!"
+# Check the configuration directory
+if [ ! -d $TCONF ]; then
+ echo "**tinc: configuration directory ($TCONF) not found!" >&2
exit
fi
-# Check the configuration directory
-if [ ! -d $TCONF ]; then
- echo "**tinc: configuration directory ($TCONF) not found!"
+# Check nets.boot
+if [ ! -f $NETSFILE ]; then
+ echo "**tinc: file with list of VPNs to start ($NETSFILE) not found!" >&2
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 "TAP $TAP NUM $NUM ADR $ADR LEN $LEN MSK $MSK BRD $BRD NET $NET MAC $MAC" >&2
- return 0
-}
+# Load names of networks to be started
+NETS="$(sed -e 's/#.*//; s/[[:space:]]//g; /^$/ d' $NETSFILE)"
##############################################################################
# $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
-
+ { MSG="could not start daemon for network $1"; return 3; }
return 0
} # vpn_start
# $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
dly=0
while [ $dly -le 5 ]; do
[ -f $PID ] || break
- sleep 1; dly=$((dly+1))
+ sleep 1; dly=$((dly + 1))
done
fi
+ # remove stale PID file
[ -f $PID ] && rm -f $PID
fi
-
- # bring the interface down
- ip link set $TAP down &> /dev/null
-
- # remove ethertap module
- rmmod "ethertap$NUM" &> /dev/null
-
return 0
} # vpn_stop
+# Check if there is anything to start
+if [ ! -z "$1" -a "$1" != "status" -a -z "$NETS" ]; then
+ echo "**tinc: no networks found in $NETSFILE!" >&2
+ exit
+fi
+
+
# See how we were called.
case "$1" in
start)
- for vpn in `ls -1 $TCONF`; do
- echo -n "Bringing up VPN $vpn: "
- vpn_start $vpn && action "" /bin/true
+ for vpn in $NETS; do
+ echo -n "Bringing up TINC network $vpn: "
+ vpn_start $vpn && \
+ success "startup of network $vpn" || \
+ failure "startup of network $vpn"
+ echo
+
+ if [ ! -z "$MSG" ]; then
+ [ ! -z "$ERR" ] && echo "$ERR" >&2
+ echo "**tinc: $MSG" >&2
+ fi
done
touch /var/lock/subsys/tinc
;;
stop)
- for vpn in `ls -1 $TCONF`; do
- echo -n "Shutting down VPN $vpn: "
- vpn_stop $vpn && action "" /bin/true
+ for vpn in $NETS; do
+ echo -n "Shutting down TINC network $vpn: "
+ vpn_stop $vpn && \
+ success "shutdown of network $vpn" || \
+ failure "shutdown of network $vpn"
+ echo
+
+ if [ ! -z "$MSG" ]; then
+ [ ! -z "$ERR" ] && echo "$ERR" >&2
+ echo "**tinc: $MSG" >&2
+ fi
done
rm -f /var/lock/subsys/tinc
status)
echo -n "Configured VPNs: "
- for vpn in `ls -1 $TCONF`; do
+ for vpn in $NETS; do
PID="$TPIDS/tinc.$vpn.pid"
- echo -n "$vpn:"
- if [ -f $PID -a `ps ax | grep "^ *$(cat $PID)" | wc -l` -eq 1 ]
- then
- echo -n "OK "
- else
- echo -n "DEAD "
- fi
+
+ [ -f $PID ] && PID="$(cat $PID)" || PID="-dead-"
+ ps ax | grep "^[[:space:]]*$PID" && STS="OK" || STS="DEAD"
+ echo -n "$vpn:$STS "
done
echo
;;
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