mirror of
https://github.com/pivpn/pivpn.git
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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
197
scripts/uninstall.sh
Executable file
197
scripts/uninstall.sh
Executable file
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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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