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https://github.com/Nyr/openvpn-install.git
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Add support command line parameters
This commit is contained in:
Denis
parent
0ce2775a3a
commit
4ab14b48b1
1 changed files with 109 additions and 22 deletions
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@ -4,6 +4,62 @@
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#
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# Copyright (c) 2013 Nyr. Released under the MIT License.
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usage()
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{
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cat << EOF
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usage: $0 options
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This script will setup your own VPN server in no more than a minute.
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OPTIONS:
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-i VALUE IP address
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-p VALUE Protocol
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-P VALUE PORT
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-d VALUE Type of DNS
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-c VALUE Client name
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-y Not asking press any key
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-h Display this help
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EOF
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}
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IP_ADDR=
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PROTOCOL=
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PORT=
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DNS=
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CLIENT=
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NOT_ASK=
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while getopts ":i:p:P:d:c:yh" OPTION
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do
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case $OPTION in
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h)
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usage
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exit 1
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;;
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i)
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IP_ADDR=$OPTARG
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;;
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p)
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PROTOCOL=$OPTARG
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;;
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P)
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PORT=$OPTARG
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;;
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d)
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DNS=$OPTARG
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;;
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c)
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CLIENT=$OPTARG
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;;
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y)
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NOT_ASK=1
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;;
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?)
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usage
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exit
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;;
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esac
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done
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# Detect Debian users running the script with "sh" instead of bash
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if readlink /proc/$$/exe | grep -q "dash"; then
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@ -171,11 +227,18 @@ else
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echo "I need to ask you a few questions before starting the setup."
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echo "You can leave the default options and just press enter if you are ok with them."
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echo
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echo "First, provide the IPv4 address of the network interface you want OpenVPN"
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echo "listening to."
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# Autodetect IP address and pre-fill for the user
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IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
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read -p "IP address: " -e -i $IP IP
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if [ -z "$IP_ADDR" ]; then
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echo "First, provide the IPv4 address of the network interface you want OpenVPN"
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echo "listening to."
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# Autodetect IP address and pre-fill for the user
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IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
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read -p "IP address: " -e -i $IP IP
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else
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IP=$IP_ADDR
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echo "IP address: $IP_ADDR"
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fi
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# If $IP is a private IP address, the server must be behind NAT
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if echo "$IP" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then
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echo
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@ -183,10 +246,15 @@ else
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read -p "Public IP address / hostname: " -e PUBLICIP
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fi
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echo
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echo "Which protocol do you want for OpenVPN connections?"
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echo " 1) UDP (recommended)"
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echo " 2) TCP"
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read -p "Protocol [1-2]: " -e -i 1 PROTOCOL
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if [ -z "$PROTOCOL" ]; then
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echo "Which protocol do you want for OpenVPN connections?"
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echo " 1) UDP (recommended)"
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echo " 2) TCP"
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read -p "Protocol [1-2]: " -e -i 1 PROTOCOL
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else
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echo "Connections protocol: $PROTOCOL"
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fi
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case $PROTOCOL in
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1)
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PROTOCOL=udp
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@ -196,23 +264,42 @@ else
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;;
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esac
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echo
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echo "What port do you want OpenVPN listening to?"
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read -p "Port: " -e -i 1194 PORT
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if [ -z "$PORT" ]; then
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echo "What port do you want OpenVPN listening to?"
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read -p "Port: " -e -i 1194 PORT
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else
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echo "Listening port: $PORT"
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fi
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echo
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echo "Which DNS do you want to use with the VPN?"
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echo " 1) Current system resolvers"
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echo " 2) 1.1.1.1"
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echo " 3) Google"
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echo " 4) OpenDNS"
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echo " 5) Verisign"
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read -p "DNS [1-5]: " -e -i 1 DNS
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if [ -z "$DNS" ]; then
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echo "Which DNS do you want to use with the VPN?"
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echo " 1) Current system resolvers"
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echo " 2) 1.1.1.1"
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echo " 3) Google"
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echo " 4) OpenDNS"
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echo " 5) Verisign"
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read -p "DNS [1-5]: " -e -i 1 DNS
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else
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echo "DNS type: $DNS"
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fi
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echo
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echo "Finally, tell me your name for the client certificate."
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echo "Please, use one word only, no special characters."
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read -p "Client name: " -e -i client CLIENT
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if [ -z "$CLIENT" ]; then
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echo "Finally, tell me your name for the client certificate."
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echo "Please, use one word only, no special characters."
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read -p "Client name: " -e -i client CLIENT
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else
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echo "Client name: $CLIENT"
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fi
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echo
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echo "Okay, that was all I needed. We are ready to set up your OpenVPN server now."
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read -n1 -r -p "Press any key to continue..."
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if [ -z "$NOT_ASK" ]; then
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read -n1 -r -p "Press any key to continue..."
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fi
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if [[ "$OS" = 'debian' ]]; then
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apt-get update
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apt-get install openvpn iptables openssl ca-certificates -y
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