mirror of
https://github.com/tailscale/tailscale.git
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59 lines
1.4 KiB
Bash
Executable File
59 lines
1.4 KiB
Bash
Executable File
# Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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#! /bin/sh
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export PATH=$PATH:/tailscale/bin
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AUTH_KEY="${AUTH_KEY:-}"
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ROUTES="${ROUTES:-}"
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DEST_IP="${DEST_IP:-}"
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EXTRA_ARGS="${EXTRA_ARGS:-}"
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USERSPACE="${USERSPACE:-true}"
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KUBE_SECRET="${KUBE_SECRET:-tailscale}"
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set -e
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TAILSCALED_ARGS="--state=kube:${KUBE_SECRET} --socket=/tmp/tailscaled.sock"
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if [[ "${USERSPACE}" == "true" ]]; then
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if [[ ! -z "${DEST_IP}" ]]; then
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echo "IP forwarding is not supported in userspace mode"
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exit 1
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fi
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TAILSCALED_ARGS="${TAILSCALED_ARGS} --tun=userspace-networking"
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else
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if [[ ! -d /dev/net ]]; then
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mkdir -p /dev/net
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fi
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if [[ ! -c /dev/net/tun ]]; then
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mknod /dev/net/tun c 10 200
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fi
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fi
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echo "Starting tailscaled"
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tailscaled ${TAILSCALED_ARGS} &
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PID=$!
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UP_ARGS="--accept-dns=false"
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if [[ ! -z "${ROUTES}" ]]; then
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UP_ARGS="--advertise-routes=${ROUTES} ${UP_ARGS}"
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fi
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if [[ ! -z "${AUTH_KEY}" ]]; then
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UP_ARGS="--authkey=${AUTH_KEY} ${UP_ARGS}"
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fi
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if [[ ! -z "${EXTRA_ARGS}" ]]; then
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UP_ARGS="${UP_ARGS} ${EXTRA_ARGS:-}"
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fi
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echo "Running tailscale up"
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tailscale --socket=/tmp/tailscaled.sock up ${UP_ARGS}
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if [[ ! -z "${DEST_IP}" ]]; then
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echo "Adding iptables rule for DNAT"
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iptables -t nat -I PREROUTING -d "$(tailscale ip -4)" -j DNAT --to-destination "${DEST_IP}"
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fi
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wait ${PID} |