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162 lines
3.8 KiB
162 lines
3.8 KiB
#!/bin/sh |
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PKGVAR=/var/packages/zerotier/var |
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ZTO_PID_FILE="$PKGVAR/zerotier-one.pid" |
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WAT_PID_FILE="$PKGVAR/zerotier-watchdog.pid" |
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ZTO_LOG_FILE="$PKGVAR/zerotier-one.log" |
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log() |
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{ |
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local timestamp=$(date --iso-8601=second) |
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echo "$timestamp $1" >> $ZTO_LOG_FILE |
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} |
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configure_tun() |
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{ |
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log "Checking for TUN device" |
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# Create /dev/net/tun if needed |
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if ( [ ! -c /dev/net/tun ] ); then |
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if ( [ ! -d /dev/net ] ); then |
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mkdir -m 755 /dev/net |
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fi |
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log "Adding TUN device" |
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mknod /dev/net/tun c 10 200 |
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chmod 0755 /dev/net/tun |
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fi |
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# Load TUN kernel module |
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if ( !( lsmod | grep -q "^tun\s" ) ); then |
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log "Loading TUN kernel module" |
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insmod /lib/modules/tun.ko |
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fi |
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} |
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configure_cli() |
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{ |
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# Create ZT CLI symlinks if needed |
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mkdir -p /usr/local/bin/ |
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ln -s $SYNOPKG_PKGDEST/bin/zerotier-one /usr/local/bin/zerotier-cli |
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ln -s $SYNOPKG_PKGDEST/bin/zerotier-one /usr/local/bin/zerotier-idtool |
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rm -rf /var/lib/zerotier-one |
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ln -s /var/packages/zerotier/var /var/lib/zerotier-one |
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} |
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apply_routes() |
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{ |
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echo $BASHPID >> $WAT_PID_FILE |
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log "Started Watchdog ($(cat $WAT_PID_FILE))" |
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# Wait for ZT service to come online before attempting queries |
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sleep 15 |
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# Loop until killed, check for required routes and add if needed |
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while true |
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do |
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NETWORK_COUNT=$(zerotier-cli -j listnetworks | jq -r '. | length') |
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if [ "$NETWORK_COUNT" -gt 0 ]; then |
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for ((j=0; j<=$((NETWORK_COUNT-1)); j++)) |
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do |
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ROUTE_COUNT=$(zerotier-cli -j listnetworks | jq -r '.['$j'].routes | length') |
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for ((k=0; k<=$((ROUTE_COUNT-1)); k++)) |
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do |
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ROUTE=$(zerotier-cli -j listnetworks | jq -r '.['$j'].routes['$k'].target') |
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EXIST=$(ip route show $ROUTE | wc -l) |
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if [ $EXIST -eq 0 ]; |
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then |
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IFNAME=$(zerotier-cli -j listnetworks | jq -r '.['$j'] | .portDeviceName') |
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ip route add $ROUTE dev $IFNAME |
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log "Added route $ROUTE to dev $IFNAME" |
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# Routes will be deleted when ZT brings the interface down |
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fi |
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done |
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done |
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fi |
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sleep 15 |
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done |
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} |
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configure_routes() |
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{ |
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if [ -r "${WAT_PID_FILE}" ]; then |
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exit 0 |
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else |
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apply_routes & |
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fi |
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} |
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start_daemon() |
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{ |
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${SYNOPKG_PKGDEST}/bin/zerotier-one $PKGVAR -d |
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echo $(pidof zerotier-one) > ${ZTO_PID_FILE} |
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log "Started ZeroTier ($(cat $ZTO_PID_FILE))" |
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} |
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stop_daemon() { |
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if [ -r "$ZTO_PID_FILE" ]; then |
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local ZTO_PID=$(cat "${ZTO_PID_FILE}") |
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log "Stopped ZeroTier ($(cat $ZTO_PID_FILE))" |
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kill -TERM $ZTO_PID |
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wait_for_status 1 || kill -KILL $PID >> $LOG_FILE 2>&1 |
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rm -f $ZTO_PID_FILE > /dev/null |
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fi |
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if [ -r "$WAT_PID_FILE" ]; then |
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local WAT_PID=$(cat "${WAT_PID_FILE}") |
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log "Stopped Watchdog ($(cat $WAT_PID_FILE))" |
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kill -TERM $WAT_PID |
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rm -f $WAT_PID_FILE > /dev/null |
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fi |
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} |
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daemon_status() |
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{ |
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if [ -f $ZTO_PID_FILE ] && kill -0 `cat $ZTO_PID_FILE` > /dev/null 2>&1; then |
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return |
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fi |
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rm -f $ZTO_PID_FILE |
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return 1 |
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} |
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wait_for_status() |
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{ |
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counter=$2 |
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while [ $counter -gt 0 ]; do |
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daemon_status |
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[ $? -eq $1 ] && return |
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let counter=counter-1 |
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sleep 1 |
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done |
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return 1 |
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} |
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case "$1" in |
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start) |
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if ( pidof zerotier-one ); then |
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exit 0 |
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else |
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configure_tun |
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configure_cli |
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start_daemon |
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configure_routes |
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fi |
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;; |
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stop) |
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if ( pidof zerotier-one ); then |
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stop_daemon |
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else |
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exit 0 |
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fi |
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;; |
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status) |
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if ( pidof zerotier-one ); then |
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exit 0 |
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else |
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exit 1 |
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fi |
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;; |
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*) |
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exit 1 |
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;; |
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esac |
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exit 0
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