mirror of
https://github.com/pivpn/pivpn.git
synced 2024-12-18 19:00:15 +00:00
Added uninstall and Pi-hole detection
This commit is contained in:
Orazio
parent
e77f668021
commit
84f90b00a4
9 changed files with 275 additions and 42 deletions
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@ -1,5 +1,5 @@
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#!/usr/bin/env bash
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# PiVPN: Trivial OpenVPN or WireGUard setup and configuration
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# PiVPN: Trivial OpenVPN or WireGuard setup and configuration
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# Easiest setup and mangement of OpenVPN or WireGuard on Raspberry Pi
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# http://pivpn.io
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# Heavily adapted from the pi-hole.net project and...
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@ -20,7 +20,12 @@ PKG_CACHE="/var/lib/apt/lists/"
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UPDATE_PKG_CACHE="${PKG_MANAGER} update"
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PKG_INSTALL="${PKG_MANAGER} --yes --no-install-recommends install"
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PKG_COUNT="${PKG_MANAGER} -s -o Debug::NoLocking=true upgrade | grep -c ^Inst || true"
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# Dependencies that are required by the script, regardless of the VPN protocol chosen
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BASE_DEPS=(git tar wget grep iptables-persistent dnsutils whiptail net-tools dhcpcd5)
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# Dependencies that where actually installed by the script. For example if the script requires
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# grep and dnsutils but dnsutils is already installed, we save grep here. This way when uninstalling
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# PiVPN we won't prompt to remove packages that may have been installed by the user for other reasons
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TO_INSTALL=()
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pivpnGitUrl="https://github.com/orazioedoardo/pivpn.git"
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easyrsaVer="3.0.6"
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@ -30,7 +35,7 @@ easyrsaRel="https://github.com/OpenVPN/easy-rsa/releases/download/v${easyrsaVer}
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UNATTUPG_RELEASE="1.14"
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UNATTUPG_CONFIG="https://github.com/mvo5/unattended-upgrades/archive/${UNATTUPG_RELEASE}.tar.gz"
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WG_SNAPSHOT="0.0.20190913"
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WG_SNAPSHOT="0.0.20191012"
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WG_SOURCE="https://git.zx2c4.com/WireGuard/snapshot/WireGuard-${WG_SNAPSHOT}.tar.xz"
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# Find the rows and columns. Will default to 80x24 if it can not be detected.
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@ -212,10 +217,6 @@ notifyPackageUpdatesAvailable(){
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fi
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}
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packageCheckInstall(){
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dpkg-query -W -f='${Status}' "${1}" 2>/dev/null | grep -c "ok installed" || ${PKG_INSTALL} "${1}"
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}
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preconfigurePackages(){
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# Add support for https repositories if there are any that use it otherwise the installation will silently fail
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if grep -q https /etc/apt/sources.list; then
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@ -236,14 +237,20 @@ installDependentPackages(){
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# No spinner - conflicts with set -e
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declare -a argArray1=("${!1}")
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for i in "${argArray1[@]}"; do
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echo -n "::: Checking for $i..."
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if dpkg-query -W -f='${Status}' "${i}" 2>/dev/null | grep -q "ok installed"; then
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echo " installed!"
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else
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TO_INSTALL+=("${i}")
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echo " not installed!"
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fi
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done
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if command -v debconf-apt-progress &> /dev/null; then
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$SUDO debconf-apt-progress -- ${PKG_INSTALL} "${argArray1[@]}"
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else
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for i in "${argArray1[@]}"; do
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echo -n "::: Checking for $i..."
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$SUDO packageCheckInstall "${i}" &> /dev/null
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echo " installed!"
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done
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${PKG_INSTALL} "${argArray1[@]}"
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fi
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}
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@ -559,13 +566,13 @@ Pin-Priority: 500" | $SUDO tee /etc/apt/preferences.d/limit-unstable > /dev/null
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$SUDO apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 04EE7237B7D453EC 648ACFD622F3D138
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$SUDO ${UPDATE_PKG_CACHE} &> /dev/null
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PIVPN_DEPS=(raspberrypi-kernel-headers wireguard)
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PIVPN_DEPS=(raspberrypi-kernel-headers wireguard wireguard-tools wireguard-dkms)
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installDependentPackages PIVPN_DEPS[@]
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elif [ "$(uname -m)" = "armv6l" ]; then
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echo "::: Installing WireGuard from source... "
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PIVPN_DEPS=(libmnl-dev libelf-dev raspberrypi-kernel-headers build-essential pkg-config qrencode)
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PIVPN_DEPS=(checkinstall dkms libmnl-dev libelf-dev raspberrypi-kernel-headers build-essential pkg-config qrencode)
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installDependentPackages PIVPN_DEPS[@]
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# Delete any leftover code
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@ -591,8 +598,12 @@ Pin-Priority: 500" | $SUDO tee /etc/apt/preferences.d/limit-unstable > /dev/null
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exit 1
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fi
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# Use checkinstall to install userspace tools so if the user wants to uninstall
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# PiVPN we can just do apt remove wireguard-tools, instead of manually removing
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# files from the file system
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echo "::: Installing WireGuard tools... "
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if $SUDO make install tools; then
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if $SUDO checkinstall --pkgname wireguard-tools --pkgversion "${WG_SNAPSHOT}" -y make tools-install; then
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TO_INSTALL+=("wireguard-tools")
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echo "done!"
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else
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echo "failed!"
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@ -619,6 +630,7 @@ Pin-Priority: 500" | $SUDO tee /etc/apt/preferences.d/limit-unstable > /dev/null
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echo "::: Installing WireGuard modules via DKMS... "
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if $SUDO dkms install wireguard/"${WG_SNAPSHOT}"; then
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TO_INSTALL+=("wireguard-dkms")
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echo "done!"
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else
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echo "failed!"
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@ -628,12 +640,14 @@ Pin-Priority: 500" | $SUDO tee /etc/apt/preferences.d/limit-unstable > /dev/null
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elif [ "$(uname -m)" = "x86_64" ] || [ "$(uname -m)" = "i686" ]; then
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echo "::: Installing WireGuard from Debian package... "
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echo "::: Adding Debian repository... "
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echo "deb http://deb.debian.org/debian/ unstable main" | $SUDO tee /etc/apt/sources.list.d/unstable.list > /dev/null
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echo "Package: *
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Pin: release a=unstable
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Pin-Priority: 90" | $SUDO tee /etc/apt/preferences.d/limit-unstable > /dev/null
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$SUDO ${UPDATE_PKG_CACHE} &> /dev/null
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PIVPN_DEPS=(linux-headers-amd64 qrencode wireguard)
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PIVPN_DEPS=(linux-headers-amd64 qrencode wireguard wireguard-tools wireguard-dkms)
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installDependentPackages PIVPN_DEPS[@]
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fi
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@ -726,7 +740,25 @@ askCustomPort(){
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echo "pivpnPORT=${pivpnPORT}" >> /tmp/setupVars.conf
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}
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askClientDNS() {
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askClientDNS(){
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# Detect and offer to use Pi-hole
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if command -v pihole &>/dev/null; then
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if (whiptail --backtitle "Setup PiVPN" --title "Pi-hole" --yesno "We have detected a Pi-hole installation, do you want to use it as the DNS server for the VPN, so you get ad blocking on the go?" ${r} ${c}); then
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if [ "$VPN" = "WireGuard" ]; then
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pivpnDEV="wg0"
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elif [ "$VPN" = "OpenVPN" ]; then
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pivpnDEV="tun0"
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fi
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pivpnDNS1="$IPv4addr"
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echo "interface=$pivpnDNS" | $SUDO tee /etc/dnsmasq.d/02-pivpn.conf > /dev/null
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$SUDO pihole restartdns
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echo "pivpnDNS1=${pivpnDNS1}" >> /tmp/setupVars.conf
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return
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fi
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fi
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DNSChoseCmd=(whiptail --separate-output --radiolist "Select the DNS Provider for your VPN Clients (press space to select). To use your own, select Custom." ${r} ${c} 6)
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DNSChooseOptions=(Google "" on
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OpenDNS "" off
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@ -799,6 +831,7 @@ askClientDNS() {
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exit 1
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fi
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echo "USING_PIHOLE=${USING_PIHOLE}" >> /tmp/setupVars.conf
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echo "pivpnDNS1=${pivpnDNS1}" >> /tmp/setupVars.conf
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echo "pivpnDNS2=${pivpnDNS2}" >> /tmp/setupVars.conf
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}
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@ -1221,6 +1254,7 @@ installScripts(){
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fi
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FOLDER=$(tr '[:upper:]' '[:lower:]' <<< "$VPN")
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$SUDO cp /etc/.pivpn/scripts/uninstall.sh /opt/pivpn/
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$SUDO cp /etc/.pivpn/scripts/$FOLDER/*.sh /opt/pivpn/
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$SUDO chmod 0755 /opt/pivpn/*.sh
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$SUDO cp /etc/.pivpn/scripts/$FOLDER/pivpn /usr/local/bin/pivpn
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@ -1344,6 +1378,8 @@ main(){
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askUnattendedUpgrades
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confUnattendedUpgrades
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echo "TO_INSTALL=(${TO_INSTALL[*]})" >> /tmp/setupVars.conf
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$SUDO cp /tmp/setupVars.conf "$setupVars"
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installScripts
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@ -1,4 +1,4 @@
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#/bin/bash
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#!/bin/bash
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###Updates pivpn scripts (Not PiVPN)
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###Main Vars
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197
scripts/uninstall.sh
Executable file
197
scripts/uninstall.sh
Executable file
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@ -0,0 +1,197 @@
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#!/usr/bin/env bash
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# PiVPN: Uninstall Script
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PKG_MANAGER="apt-get"
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WG_SNAPSHOT="0.0.20191012"
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setupVars="/etc/pivpn/setupVars.conf"
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if [ ! -f "${setupVars}" ]; then
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echo "::: Missing setup vars file!"
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exit 1
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fi
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source "${setupVars}"
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# Find the rows and columns. Will default to 80x24 if it can not be detected.
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screen_size=$(stty size 2>/dev/null || echo 24 80)
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rows=$(echo $screen_size | awk '{print $1}')
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columns=$(echo $screen_size | awk '{print $2}')
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# Divide by two so the dialogs take up half of the screen, which looks nice.
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r=$(( rows / 2 ))
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c=$(( columns / 2 ))
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# Unless the screen is tiny
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r=$(( r < 20 ? 20 : r ))
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c=$(( c < 70 ? 70 : c ))
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spinner(){
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local pid=$1
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local delay=0.50
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local spinstr='/-\|'
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while [ "$(ps a | awk '{print $1}' | grep "$pid")" ]; do
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local temp=${spinstr#?}
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printf " [%c] " "$spinstr"
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local spinstr=$temp${spinstr%"$temp"}
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sleep $delay
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printf "\b\b\b\b\b\b"
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done
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printf " \b\b\b\b"
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}
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removeAll(){
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# Stopping and disabling services
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echo "::: Stopping and disabling services..."
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if [ "$VPN" = "WireGuard" ]; then
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systemctl stop wg-quick@wg0
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systemctl disable wg-quick@wg0 &> /dev/null
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elif [ "$VPN" = "OpenVPN" ]; then
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systemctl stop openvpn
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systemctl disable openvpn &> /dev/null
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fi
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# Removing firewall rules.
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echo "::: Removing firewall rules..."
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if [ "$VPN" = "WireGuard" ]; then
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pivpnDEV="wg0"
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pivpnNET="10.6.0.0/24"
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elif [ "$VPN" = "OpenVPN" ]; then
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pivpnDEV="tun0"
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pivpnNET="10.8.0.0/24"
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fi
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if [ "$USING_UFW" -eq 1 ]; then
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ufw delete allow "${pivpnPORT}"/udp > /dev/null
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ufw route delete allow in on "$pivpnDEV" from "$pivpnNET" out on "${IPv4dev}" to any > /dev/null
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sed -z "s/*nat\n:POSTROUTING ACCEPT \[0:0\]\n-I POSTROUTING -s 10.6.0.0\/24 -o ${IPv4dev} -j MASQUERADE\nCOMMIT\n\n//" -i /etc/ufw/before.rules
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ufw reload &> /dev/null
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elif [ "$USING_UFW" -eq 0 ]; then
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if [ "$INPUT_CHAIN_EDITED" -eq 1 ]; then
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iptables -D INPUT -i "${IPv4dev}" -p udp --dport "${pivpnPORT}" -j ACCEPT
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fi
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if [ "$FORWARD_CHAIN_EDITED" -eq 1 ]; then
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iptables -D FORWARD -d "$pivpnNET" -i "${IPv4dev}" -o "$pivpnDEV" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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iptables -D FORWARD -s "$pivpnNET" -i "$pivpnDEV" -o "${IPv4dev}" -j ACCEPT
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fi
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iptables -t nat -D POSTROUTING -s "$pivpnNET" -o "${IPv4dev}" -j MASQUERADE
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iptables-save > /etc/iptables/rules.v4
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fi
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# Disable IPv4 forwarding
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sed -i '/net.ipv4.ip_forward=1/c\#net.ipv4.ip_forward=1' /etc/sysctl.conf
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sysctl -p
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# Purge dependencies
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echo "::: Purge dependencies..."
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for i in "${TO_INSTALL[@]}"; do
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while true; do
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read -rp "::: Do you wish to remove $i from your system? [Y/n]: " yn
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case $yn in
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[Yy]* ) if [ "${i}" = "wireguard" ]; then
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if [ "$(uname -m)" = "armv7l" ] || [ "$(uname -m)" = "x86_64" ] || [ "$(uname -m)" = "i686" ]; then
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rm /etc/apt/sources.list.d/unstable.list
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rm /etc/apt/preferences.d/limit-unstable
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$PKG_MANAGER update &> /dev/null
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fi
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rm -rf /etc/wireguard
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rm -rf $install_home/configs
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elif [ "${i}" = "wireguard-dkms" ]; then
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# If we installed wireguard-dkms and we are on armv6l, then we manually need
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# to remove the kernel module and skip the apt uninstallation (since it's not an
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# actual package)
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if [ "$(uname -m)" = "armv6l" ]; then
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dkms remove wireguard/"${WG_SNAPSHOT}" --all
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rm -rf /usr/src/wireguard-*
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break
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fi
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elif [ "${i}" = "dirmngr" ]; then
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# If dirmngr was installed, then we had previously installed wireguard on armv7l
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# so we remove the repository keys
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apt-key remove E1CF20DDFFE4B89E802658F1E0B11894F66AEC98 80D15823B7FD1561F9F7BCDDDC30D7C23CBBABEE &> /dev/null
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elif [ "${i}" = "openvpn" ]; then
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rm -rf /var/log/*openvpn*
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rm -rf /etc/openvpn
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rm -rf $install_home/ovpns
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elif [ "${i}" = "unattended-upgrades" ]; then
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rm -rf /var/log/unattended-upgrades
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rm -rf /etc/apt/apt.conf.d/*periodic
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rm -rf /etc/apt/apt.conf.d/*unattended-upgrades
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fi
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printf ":::\tRemoving %s..." "$i"; $PKG_MANAGER -y remove --purge "$i" &> /dev/null & spinner $!; printf "done!\n";
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break
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;;
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[Nn]* ) printf ":::\tSkipping %s\n" "$i";
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break
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;;
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* ) printf "::: You must answer yes or no!\n";;
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esac
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done
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done
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# Take care of any additional package cleaning
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printf "::: Auto removing remaining dependencies..."
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$PKG_MANAGER -y autoremove &> /dev/null & spinner $!; printf "done!\n";
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printf "::: Auto cleaning remaining dependencies..."
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$PKG_MANAGER -y autoclean &> /dev/null & spinner $!; printf "done!\n";
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echo ":::"
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# Removing pivpn files
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echo "::: Removing pivpn system files..."
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if [ -f /etc/dnsmasq.d/02-pivpn.conf ]; then
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rm /etc/dnsmasq.d/02-pivpn.conf
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pihole restartdns
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fi
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rm -rf /opt/pivpn
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rm -rf /etc/.pivpn
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rm -rf /etc/pivpn
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rm -rf /var/log/*pivpn*
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rm /usr/local/bin/pivpn
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rm /etc/bash_completion.d/pivpn
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echo ":::"
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printf "::: Finished removing PiVPN from your system.\n"
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printf "::: Reinstall by simpling running\n:::\n:::\tcurl -L https://install.pivpn.io | bash\n:::\n::: at any time!\n:::\n"
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}
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askreboot(){
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printf "It is \e[1mstrongly\e[0m recommended to reboot after un-installation.\n"
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read -p "Would you like to reboot now? [y/n]: " -n 1 -r
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echo
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if [[ ${REPLY} =~ ^[Yy]$ ]]; then
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printf "\nRebooting system...\n"
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sleep 3
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shutdown -r now
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fi
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}
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######### SCRIPT ###########
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echo "::: Preparing to remove packages, be sure that each may be safely removed depending on your operating system."
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echo "::: (SAFE TO REMOVE ALL ON RASPBIAN)"
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while true; do
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read -rp "::: Do you wish to completely remove PiVPN configuration and installed packages from your system? (You will be prompted for each package) [y/n]: " yn
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case $yn in
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[Yy]* ) removeAll; askreboot; break;;
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[Nn]* ) printf "::: Not removing anything, exiting...\n"; break;;
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esac
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done
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@ -29,7 +29,7 @@ done
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cd /etc/wireguard/configs
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if [ ! -s clients.txt ]; then
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echo "::: There are no clients to remove"
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echo "::: There are no clients to show"
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exit 1
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fi
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