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https://github.com/tailscale/tailscale.git
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32e0ba5e68
Updates #8217 Signed-off-by: David Anderson <danderson@tailscale.com>
130 lines
3.1 KiB
Bash
Executable File
130 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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SERVICE_NAME="tailscale"
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if [ "${SYNOPKG_DSM_VERSION_MAJOR}" -eq "6" ]; then
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PKGVAR="/var/packages/Tailscale/etc"
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else
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PKGVAR="${SYNOPKG_PKGVAR}"
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fi
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PID_FILE="${PKGVAR}/tailscaled.pid"
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LOG_FILE="${PKGVAR}/tailscaled.stdout.log"
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STATE_FILE="${PKGVAR}/tailscaled.state"
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SOCKET_FILE="${PKGVAR}/tailscaled.sock"
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PORT="41641"
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SERVICE_COMMAND="${SYNOPKG_PKGDEST}/bin/tailscaled \
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--state=${STATE_FILE} \
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--socket=${SOCKET_FILE} \
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--port=$PORT"
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if [ "${SYNOPKG_DSM_VERSION_MAJOR}" -eq "7" -a ! -e "/dev/net/tun" ]; then
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# TODO(maisem/crawshaw): Disable the tun device in DSM7 for now.
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SERVICE_COMMAND="${SERVICE_COMMAND} --tun=userspace-networking"
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fi
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if [ "${SYNOPKG_DSM_VERSION_MAJOR}" -eq "6" ]; then
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chown -R tailscale:tailscale "${PKGVAR}/"
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fi
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start_daemon() {
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local ts=$(date --iso-8601=second)
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echo "${ts} Starting ${SERVICE_NAME} with: ${SERVICE_COMMAND}" >${LOG_FILE}
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STATE_DIRECTORY=${PKGVAR} ${SERVICE_COMMAND} 2>&1 | sed -u '1,200p;201s,.*,[further tailscaled logs suppressed],p;d' >>${LOG_FILE} &
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# We pipe tailscaled's output to sed, so "$!" retrieves the PID of sed not tailscaled.
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# Use jobs -p to retrieve the PID of the most recent process group leader.
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jobs -p >"${PID_FILE}"
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}
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stop_daemon() {
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if [ -r "${PID_FILE}" ]; then
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local PID=$(cat "${PID_FILE}")
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local ts=$(date --iso-8601=second)
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echo "${ts} Stopping ${SERVICE_NAME} service PID=${PID}" >>${LOG_FILE}
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kill -TERM $PID >>${LOG_FILE} 2>&1
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wait_for_status 1 || kill -KILL $PID >>${LOG_FILE} 2>&1
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rm -f "${PID_FILE}" >/dev/null
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fi
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}
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daemon_status() {
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if [ -r "${PID_FILE}" ]; then
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local PID=$(cat "${PID_FILE}")
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if ps -o pid -p ${PID} > /dev/null; then
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return
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fi
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rm -f "${PID_FILE}" >/dev/null
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fi
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return 1
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}
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wait_for_status() {
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# 20 tries
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# sleeps for 1 second after each try
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local counter=20
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while [ ${counter} -gt 0 ]; do
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daemon_status
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[ $? -eq $1 ] && return
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counter=$((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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ensure_tun_created() {
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if [ "${SYNOPKG_DSM_VERSION_MAJOR}" -eq "7" ]; then
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# TODO(maisem/crawshaw): Disable the tun device in DSM7 for now.
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return
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fi
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# Create the necessary file structure for /dev/net/tun
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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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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 the tun module if not already loaded
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if (!(lsmod | grep -q "^tun\s")); then
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insmod /lib/modules/tun.ko
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fi
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}
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case $1 in
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start)
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if daemon_status; then
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exit 0
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else
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ensure_tun_created
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start_daemon
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exit $?
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fi
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;;
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stop)
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if daemon_status; then
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stop_daemon
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exit $?
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else
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exit 0
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fi
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;;
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status)
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if daemon_status; then
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echo "${SERVICE_NAME} is running"
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exit 0
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else
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echo "${SERVICE_NAME} is not running"
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exit 3
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fi
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;;
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log)
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exit 0
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;;
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*)
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echo "command $1 is not implemented"
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exit 0
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;;
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esac
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