mirror of
https://github.com/pia-foss/manual-connections.git
synced 2025-02-05 14:08:29 +00:00
4e5714ecc5
Integrated one-line call support for DIP_TOKEN=none Fixed formatting issue introduced by longer server names of new servers Fixed spacing to normalize output in all conditions Updated readme to provide details about new one-line call example
510 lines
17 KiB
Bash
Executable File
510 lines
17 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2020 Private Internet Access, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# Check if terminal allows output, if yes, define colors for output
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if [[ -t 1 ]]; then
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ncolors=$(tput colors)
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if [[ -n $ncolors && $ncolors -ge 8 ]]; then
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red=$(tput setaf 1) # ANSI red
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green=$(tput setaf 2) # ANSI green
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nc=$(tput sgr0) # No Color
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else
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red=''
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green=''
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nc='' # No Color
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fi
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fi
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# Variables to use for validating input
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intCheck='^[0-9]+$'
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floatCheck='^[0-9]+([.][0-9]+)?$'
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# Only allow script to run as root
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if (( EUID != 0 )); then
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echo -e "${red}This script needs to be run as root. Try again with 'sudo $0'${nc}"
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exit 1
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fi
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# Erase previous authentication token if present
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rm -f /opt/piavpn-manual/token /opt/piavpn-manual/latencyList
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# Retry login if no token is generated
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while :; do
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while :; do
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# Check for in-line definition of $PIA_USER
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if [[ -z $PIA_USER ]]; then
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echo
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read -r -p "PIA username (p#######): " PIA_USER
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fi
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# Confirm format of PIA_USER input
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unPrefix=${PIA_USER:0:1}
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unSuffix=${PIA_USER:1}
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if [[ -z $PIA_USER ]]; then
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echo -e "\n${red}You must provide input.${nc}"
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elif [[ ${#PIA_USER} != 8 ]]; then
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echo -e "\n${red}A PIA username is always 8 characters long.${nc}"
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elif [[ $unPrefix != "P" ]] && [[ $unPrefix != "p" ]]; then
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echo -e "\n${red}A PIA username must start with \"p\".${nc}"
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elif ! [[ $unSuffix =~ $intCheck ]]; then
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echo -e "\n${red}Username formatting is always p#######!${nc}"
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else
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echo -e "\n${green}PIA_USER=$PIA_USER${nc}"
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break
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fi
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PIA_USER=""
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done
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export PIA_USER
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while :; do
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# Check for in-line definition of $PIA_PASS
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if [[ -z $PIA_PASS ]]; then
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echo
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echo -n "PIA password: "
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read -r -s PIA_PASS
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echo
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fi
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# Confirm format of PIA_PASS input
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if [[ -z $PIA_PASS ]]; then
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echo -e "\n${red}You must provide input.${nc}"
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elif [[ ${#PIA_PASS} -lt 8 ]]; then
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echo -e "\n${red}A PIA password is always a minimum of 8 characters long.${nc}"
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else
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echo -e "\n${green}PIA_PASS input received.${nc}"
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echo
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break
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fi
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PIA_PASS=""
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done
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export PIA_PASS
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# Confirm credentials and generate token
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./get_token.sh
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tokenLocation="/opt/piavpn-manual/token"
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# If the script failed to generate an authentication token, the script will exit early.
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if [[ ! -f $tokenLocation ]]; then
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read -r -p "Do you want to try again ([N]o/[y]es): " tryAgain
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if ! echo "${tryAgain:0:1}" | grep -iq y; then
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exit 1
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fi
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PIA_USER=""
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PIA_PASS=""
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else
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PIA_TOKEN=$( awk 'NR == 1' /opt/piavpn-manual/token )
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export PIA_TOKEN
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rm -f /opt/piavpn-manual/token
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break
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fi
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done
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# Check for in-line definition of $DIP_TOKEN
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if [[ -z $DIP_TOKEN ]]; then
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# Check for dedicated IP
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echo -n "Do you want to use a dedicated IP token ([N]o/[y]es): "
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read useDIP
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echo
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pfOption="true"
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else
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if echo ${DIP_TOKEN:0:1} | grep -iq n; then
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useDIP="no"
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echo -e "${red}Not using a dedicated IP.${nc}"
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echo
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DIP_TOKEN=""
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else
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useDIP="yes"
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fi
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fi
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if echo ${useDIP:0:1} | grep -iq y; then
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useDIP="true"
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while :; do
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while :; do
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# Check for in-line definition of $DIP_TOKEN
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if [[ -z $DIP_TOKEN ]]; then
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read -p "Dedicated token (DIP#############################): " DIP_TOKEN
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fi
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# Confirm format of DIP_TOKEN input
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dipPrefix=$( echo ${DIP_TOKEN:0:3} )
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if [[ -z "$DIP_TOKEN" ]]; then
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echo -e "\n${red}You must provide input.${nc}"
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elif [[ ${#DIP_TOKEN} != 32 ]]; then
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echo -e "\n${red}A dedicated IP token is always 32 characters long.${nc}"
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elif [[ $dipPrefix != "DIP" ]]; then
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echo -e "\n${red}A dedicated IP token must start with \"DIP\".${nc}"
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else
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break
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fi
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echo
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DIP_TOKEN=""
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done
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export DIP_TOKEN
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# Confirm DIP_TOKEN and retrieve connection details
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./get_dip.sh
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dipDetails="/opt/piavpn-manual/dipAddress"
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# If the script failed to generate retrieve dedicated IP information, the script will exit early.
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if [ ! -f "$dipDetails" ]; then
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read -p "Do you want to try again ([N]o/[y]es): " tryAgain
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echo
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if ! echo ${tryAgain:0:1} | grep -iq y; then
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exit 1
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fi
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DIP_TOKEN=""
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else
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dipAddress=$( awk 'NR == 1' /opt/piavpn-manual/dipAddress )
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dipHostname=$( awk 'NR == 2' /opt/piavpn-manual/dipAddress)
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dipKey=$( awk 'NR == 3' /opt/piavpn-manual/dipAddress )
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pfOption=$( awk 'NR == 5' /opt/piavpn-manual/dipAddress )
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rm -f /opt/piavpn-manual/dipAddress
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break
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fi
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done
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fi
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if [[ -z $DIP_TOKEN ]]; then
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echo "${green}DIP_TOKEN=none${nc}"
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else
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echo "${green}DIP_TOKEN=$DIP_TOKEN${nc}"
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fi
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echo
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# Erase previous connection details if present
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rm -f /opt/piavpn-manual/token /opt/piavpn-manual/latencyList
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# Prompt for port forwarding if no DIP or DIP allows it
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if [[ $pfOption = "false" ]]; then
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PIA_PF="false"
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fi
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# Check for in-line definition of PIA_PF and prompt for input
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if [[ -z $PIA_PF ]]; then
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echo -n "Do you want a forwarding port assigned ([N]o/[y]es): "
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read -r portForwarding
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echo
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if echo "${portForwarding:0:1}" | grep -iq y; then
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PIA_PF="true"
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fi
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fi
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if [[ $PIA_PF != "true" ]]; then
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PIA_PF="false"
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fi
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export PIA_PF
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echo -e "${green}PIA_PF=$PIA_PF${nc}"
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echo
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# Check for in-line definition of DISABLE_IPV6 and prompt for input
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if [[ -z $DISABLE_IPV6 ]]; then
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echo "Having active IPv6 connections might compromise security by allowing"
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echo "split tunnel connections that run outside the VPN tunnel."
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echo -n "Do you want to disable IPv6? (Y/n): "
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read -r DISABLE_IPV6
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echo
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fi
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if echo "${DISABLE_IPV6:0:1}" | grep -iq n; then
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echo -e "${red}IPv6 settings have not been altered.
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${nc}"
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else
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echo -e "The variable ${green}DISABLE_IPV6=$DISABLE_IPV6${nc}, does not start with 'n' for 'no'.
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${green}Defaulting to yes.${nc}
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"
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sysctl -w net.ipv6.conf.all.disable_ipv6=1
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sysctl -w net.ipv6.conf.default.disable_ipv6=1
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echo
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echo -e "${red}IPv6 has been disabled${nc}, you can ${green}enable it again with: "
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echo "sysctl -w net.ipv6.conf.all.disable_ipv6=0"
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echo "sysctl -w net.ipv6.conf.default.disable_ipv6=0"
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echo -e "${nc}"
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fi
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# Only prompt for server selection if no DIP has been specified
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if [[ -z $DIP_TOKEN ]]; then
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# Input validation and check for conflicting declarations of AUTOCONNECT and PREFERRED_REGION
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# If both variables are set, AUTOCONNECT has superiority and PREFERRED_REGION is ignored
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if [[ -z $AUTOCONNECT ]]; then
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echo "AUTOCONNECT was not declared."
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echo
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selectServer="ask"
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elif echo "${AUTOCONNECT:0:1}" | grep -iq f; then
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if [[ $AUTOCONNECT != "false" ]]; then
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echo -e "The variable ${green}AUTOCONNECT=$AUTOCONNECT${nc}, starts with 'f' for 'false'."
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AUTOCONNECT="false"
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echo -e "Updated ${green}AUTOCONNECT=$AUTOCONNECT${nc}"
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echo
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fi
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selectServer="yes"
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else
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if [[ $AUTOCONNECT != "true" ]]; then
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echo -e "The variable ${green}AUTOCONNECT=$AUTOCONNECT${nc}, does not start with 'f' for 'false'."
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AUTOCONNECT="true"
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echo -e "Updated ${green}AUTOCONNECT=$AUTOCONNECT${nc}"
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echo
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fi
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if [[ -z $PREFERRED_REGION ]]; then
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echo -e "${green}AUTOCONNECT=true${nc}"
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echo
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else
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echo
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echo "AUTOCONNECT supersedes in-line definitions of PREFERRED_REGION."
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echo -e "${red}PREFERRED_REGION=$PREFERRED_REGION will be ignored.${nc}
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"
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PREFERRED_REGION=""
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fi
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selectServer="no"
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fi
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# Prompt the user to specify a server or auto-connect to the lowest latency
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while :; do
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if [[ -z $PREFERRED_REGION ]]; then
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# If autoconnect is not set, prompt the user to specify a server or auto-connect to the lowest latency
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if [[ $selectServer == "ask" ]]; then
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echo -n "Do you want to manually select a server, instead of auto-connecting to the
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server with the lowest latency ([N]o/[y]es): "
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read -r selectServer
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echo
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fi
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# Call the region script with input to create an ordered list based upon latency
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# When $PREFERRED_REGION is set to none, get_region.sh will generate a list of servers
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# that meet the latency requirements specified by $MAX_LATENCY.
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# When $VPN_PROTOCOL is set to no, get_region.sh will sort that list of servers
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# to allow for numeric selection, or an easy manual review of options.
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if echo "${selectServer:0:1}" | grep -iq y; then
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# This sets the maximum allowed latency in seconds.
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# All servers that respond slower than this will be ignored.
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if [[ -z $MAX_LATENCY ]]; then
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echo -n "With no input, the maximum allowed latency will be set to 0.05s (50ms).
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If your connection has high latency, you may need to increase this value.
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For example, you can try 0.2 for 200ms allowed latency.
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"
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else
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latencyInput=$MAX_LATENCY
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fi
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# Assure that input is numeric and properly formatted.
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MAX_LATENCY=0.05 # default
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while :; do
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if [[ -z $latencyInput ]]; then
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read -r -p "Custom latency (no input required for 50ms): " latencyInput
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echo
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fi
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customLatency=0
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customLatency+=$latencyInput
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if [[ -z $latencyInput ]]; then
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break
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elif [[ $latencyInput == 0 ]]; then
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echo -e "${red}Latency input must not be zero.${nc}\n"
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elif ! [[ $customLatency =~ $floatCheck ]]; then
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echo -e "${red}Latency input must be numeric.${nc}\n"
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elif [[ $latencyInput =~ $intCheck ]]; then
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MAX_LATENCY=$latencyInput
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break
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else
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MAX_LATENCY=$customLatency
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break
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fi
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latencyInput=""
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done
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export MAX_LATENCY
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echo -e "${green}MAX_LATENCY=$MAX_LATENCY${nc}"
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PREFERRED_REGION="none"
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export PREFERRED_REGION
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VPN_PROTOCOL="no"
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export VPN_PROTOCOL
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VPN_PROTOCOL=no ./get_region.sh
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if [[ -s /opt/piavpn-manual/latencyList ]]; then
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# Output the ordered list of servers that meet the latency specification $MAX_LATENCY
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echo -e "Ordered list of servers with latency less than ${green}$MAX_LATENCY${nc} seconds:"
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i=0
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while read -r line; do
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i=$((i+1))
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time=$( awk 'NR == '$i' {print $1}' /opt/piavpn-manual/latencyList )
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id=$( awk 'NR == '$i' {print $2}' /opt/piavpn-manual/latencyList )
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ip=$( awk 'NR == '$i' {print $3}' /opt/piavpn-manual/latencyList )
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location1=$( awk 'NR == '$i' {print $4}' /opt/piavpn-manual/latencyList )
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location2=$( awk 'NR == '$i' {print $5}' /opt/piavpn-manual/latencyList )
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location3=$( awk 'NR == '$i' {print $6}' /opt/piavpn-manual/latencyList )
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location4=$( awk 'NR == '$i' {print $7}' /opt/piavpn-manual/latencyList )
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location="$location1 $location2 $location3 $location4"
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printf "%3s : %-8s %-15s %23s" $i "$time" "$ip" "$id"
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echo " - $location"
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done < /opt/piavpn-manual/latencyList
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echo
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# Receive input to specify the server to connect to manually
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while :; do
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read -r -p "Input the number of the server you want to connect to ([1]-[$i]) : " serverSelection
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if [[ -z $serverSelection ]]; then
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echo -e "\n${red}You must provide input.${nc}\n"
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elif ! [[ $serverSelection =~ $intCheck ]]; then
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echo -e "\n${red}You must enter a number.${nc}\n"
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elif [[ $serverSelection -lt 1 ]]; then
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echo -e "\n${red}You must enter a number greater than 1.${nc}\n"
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elif [[ $serverSelection -gt $i ]]; then
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echo -e "\n${red}You must enter a number between 1 and $i.${nc}\n"
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else
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PREFERRED_REGION=$( awk 'NR == '"$serverSelection"' {print $2}' /opt/piavpn-manual/latencyList )
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echo
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echo -e "${green}PREFERRED_REGION=$PREFERRED_REGION${nc}"
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break
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fi
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done
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# Write the serverID for use when connecting, and display the serverName for user confirmation
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export PREFERRED_REGION
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echo
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break
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else
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exit 1
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fi
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else
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echo -e "${green}You will auto-connect to the server with the lowest latency.${nc}"
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echo
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break
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fi
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else
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# Validate in-line declaration of PREFERRED_REGION; if invalid remove input to initiate prompts
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echo "Region input is : $PREFERRED_REGION"
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export PREFERRED_REGION
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VPN_PROTOCOL=no ./get_region.sh
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if [[ $? != 1 ]]; then
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break
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fi
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PREFERRED_REGION=""
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fi
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done
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fi
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if [[ -z $VPN_PROTOCOL ]]; then
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VPN_PROTOCOL="none"
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fi
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# This section asks for user connection preferences
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case $VPN_PROTOCOL in
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openvpn)
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VPN_PROTOCOL="openvpn_udp_standard"
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;;
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wireguard | openvpn_udp_standard | openvpn_udp_strong | openvpn_tcp_standard | openvpn_tcp_strong)
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;;
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none | *)
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echo -n "Connection method ([W]ireguard/[o]penvpn): "
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read -r connection_method
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echo
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VPN_PROTOCOL="wireguard"
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if echo "${connection_method:0:1}" | grep -iq o; then
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echo -n "Connection method ([U]dp/[t]cp): "
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read -r protocolInput
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echo
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protocol="udp"
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if echo "${protocolInput:0:1}" | grep -iq t; then
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protocol="tcp"
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fi
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echo "Higher levels of encryption trade performance for security. "
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echo -n "Do you want to use strong encryption ([N]o/[y]es): "
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read -r strongEncryption
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echo
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encryption="standard"
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if echo "${strongEncryption:0:1}" | grep -iq y; then
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encryption="strong"
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fi
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VPN_PROTOCOL="openvpn_${protocol}_${encryption}"
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fi
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;;
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esac
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export VPN_PROTOCOL
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echo -e "${green}VPN_PROTOCOL=$VPN_PROTOCOL
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${nc}"
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# Check for the required presence of resolvconf for setting DNS on wireguard connections
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setDNS="yes"
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if ! command -v resolvconf &>/dev/null && [[ $VPN_PROTOCOL == "wireguard" ]]; then
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echo -e "${red}The resolvconf package could not be found."
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echo "This script can not set DNS for you and you will"
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echo -e "need to invoke DNS protection some other way.${nc}"
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echo
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setDNS="no"
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fi
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# Check for in-line definition of PIA_DNS and prompt for input
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if [[ $setDNS == "yes" ]]; then
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if [[ -z $PIA_DNS ]]; then
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echo "Using third party DNS could allow DNS monitoring."
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echo -n "Do you want to force PIA DNS ([Y]es/[n]o): "
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read -r setDNS
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echo
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PIA_DNS="true"
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if echo "${setDNS:0:1}" | grep -iq n; then
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PIA_DNS="false"
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fi
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fi
|
|
elif [[ $PIA_DNS != "true" || $setDNS == "no" ]]; then
|
|
PIA_DNS="false"
|
|
fi
|
|
export PIA_DNS
|
|
echo -e "${green}PIA_DNS=$PIA_DNS${nc}"
|
|
|
|
CONNECTION_READY="true"
|
|
export CONNECTION_READY
|
|
|
|
if [[ -z $DIP_TOKEN ]]; then
|
|
./get_region.sh
|
|
elif [[ $VPN_PROTOCOL == wireguard ]]; then
|
|
echo
|
|
echo -e "You will be connecting with ${green}WG_SERVER_IP=$dipAddress${nc} using"
|
|
echo -e "${green}VPN_PROTOCOL=wireguard${nc}, so we will automatically connect to WireGuard,"
|
|
echo "by running this command:"
|
|
echo -e "$ ${green}PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN" \\
|
|
echo "DIP_TOKEN=$DIP_TOKEN" \\
|
|
echo "WG_SERVER_IP=$dipAddress WG_HOSTNAME=$dipHostname" \\
|
|
echo -e "./connect_to_wireguard_with_token.sh${nc}"
|
|
echo
|
|
PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN DIP_TOKEN=$DIP_TOKEN \
|
|
WG_SERVER_IP=$dipAddress WG_HOSTNAME=$dipHostname \
|
|
./connect_to_wireguard_with_token.sh
|
|
rm -f /opt/piavpn-manual/latencyList
|
|
exit 0
|
|
elif [[ $VPN_PROTOCOL == openvpn* ]]; then
|
|
echo
|
|
echo "The dedicated IP connection will be started with"
|
|
echo -e "${green}VPN_PROTOCOL=$VPN_PROTOCOL${nc}, so we will automatically"
|
|
echo "connect to OpenVPN, by running this command:"
|
|
echo -e "$ ${green}PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN" \\
|
|
echo "DIP_TOKEN=$DIP_TOKEN OVPN_SERVER_IP=$dipAddress" \\
|
|
echo "OVPN_HOSTNAME=$dipHostname" \\
|
|
echo "CONNECTION_SETTINGS=$VPN_PROTOCOL" \\
|
|
echo -e "./connect_to_openvpn_with_token.sh${nc}"
|
|
echo
|
|
PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN \
|
|
DIP_TOKEN=$DIP_TOKEN OVPN_SERVER_IP=$dipAddress \
|
|
OVPN_HOSTNAME=$dipHostname \
|
|
CONNECTION_SETTINGS=$VPN_PROTOCOL \
|
|
./connect_to_openvpn_with_token.sh
|
|
rm -f /opt/piavpn-manual/latencyList
|
|
exit 0
|
|
fi
|