36 lines
853 B
Bash
36 lines
853 B
Bash
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#!/bin/bash
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set -ex
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OPENVPN_CONFIG=${1:-/client/config.ovpn}
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# Run in background, rely on bash for job management
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openvpn --config "$OPENVPN_CONFIG" --management 127.0.0.1 9999 &
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# Spin waiting for interface to exist signifying connection
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timeout=10
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for i in $(seq $timeout); do
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# Break when connected
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#echo state | busybox nc 127.0.0.1 9999 | grep -q "CONNECTED,SUCCESS" && break;
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# Bash magic for tcp sockets
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if exec 3<>/dev/tcp/127.0.0.1/9999; then
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# Consume all header input
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while read -t 0.1 <&3; do true; done
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echo "state" >&3
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read -t 1 <&3
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echo -n $REPLY | grep -q "CONNECTED,SUCCESS" && break || true
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exec 3>&-
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fi
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# Else sleep
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sleep 1
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done
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if [ $i -ge $timeout ]; then
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echo "Error starting OpenVPN, i=$i, exiting."
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exit 2;
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fi
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# The show is over.
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kill %1
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