58 lines
1.1 KiB
Bash
Executable File
58 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Generate OpenVPN configs
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#
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set -ex
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server_url=$1
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[ -z "$server_url" ] && server_url=$(cat "$OPENVPN/server_url" 2> /dev/null)
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if [[ "$server_url" =~ ^((udp|tcp)://)?([0-9a-zA-Z\.]+)(:([0-9]+))?$ ]]; then
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proto=${BASH_REMATCH[2]};
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port=${BASH_REMATCH[5]};
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else
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echo "Common name not specified"
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exit 1
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fi
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# Apply defaults
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[ -z "$proto" ] && proto=1194
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[ -z "$port" ] && port=udp
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conf=$OPENVPN/openvpn.conf
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if [ -f "$conf" ]; then
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bak=$conf.$(date +%s).bak
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echo "Backing up $conf -> $bak"
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mv "$conf" "$bak"
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fi
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cat > "$conf" <<EOF
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server 192.168.255.0 255.255.255.0
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verb 3
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#duplicate-cn
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key $EASYRSA_PKI/private/$cn.key
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ca $EASYRSA_PKI/ca.crt
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cert $EASYRSA_PKI/issued/$cn.crt
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dh $EASYRSA_PKI/dh.pem
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tls-auth $EASYRSA_PKI/ta.key
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key-direction 0
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keepalive 10 60
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persist-key
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persist-tun
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push "dhcp-option DNS 8.8.4.4"
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push "dhcp-option DNS 8.8.8.8"
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client-config-dir $OPENVPN/ccd
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route 192.168.254.0 255.255.255.0
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proto $proto
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port $port
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dev tun0
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status /tmp/openvpn-status.log
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EOF
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# Clean-up duplicate configs
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diff -q "$bak" "$conf" && rm "$bak"
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