mirror of
https://github.com/pivpn/pivpn.git
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rm openvpn:openvpn user/group iff openvpn pkg is removed. shellcheck cleanup. preliminary fixes. add (global) FIXMEs.
Signed-off-by: corbolais <corbolais@gmail.com>
This commit is contained in:
corbolais
parent
55dc52d3e0
commit
729674595b
1 changed files with 36 additions and 23 deletions
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@ -1,6 +1,9 @@
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#!/usr/bin/env bash
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# PiVPN: Uninstall Script
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### FIXME: global: config storage, refactor all scripts to adhere to the storage
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### FIXME: use variables where appropriate, reduce magic numbers by 99.9%, at least.
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PKG_MANAGER="apt-get"
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setupVars="/etc/pivpn/setupVars.conf"
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@ -9,12 +12,13 @@ if [ ! -f "${setupVars}" ]; then
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exit 1
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fi
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# shellcheck disable=SC1090
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source "${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 $2}')
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rows=$(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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@ -23,18 +27,19 @@ c=$(( columns / 2 ))
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r=$(( r < 20 ? 20 : r ))
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c=$(( c < 70 ? 70 : c ))
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### FIXME: introduce global lib
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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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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 $delay
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printf "\b\b\b\b\b\b"
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printf "\\b\\b\\b\\b\\b\\b"
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done
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printf " \b\b\b\b"
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printf " \\b\\b\\b\\b"
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}
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removeAll(){
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@ -52,6 +57,7 @@ removeAll(){
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# Removing firewall rules.
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echo "::: Removing firewall rules..."
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### FIXME: introduce global config space!
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if [ "$VPN" = "wireguard" ]; then
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pivpnPROTO="udp"
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pivpnDEV="wg0"
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@ -63,9 +69,11 @@ removeAll(){
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if [ "$USING_UFW" -eq 1 ]; then
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### FIXME: SC2154
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ufw delete allow "${pivpnPORT}"/"${pivpnPROTO}" > /dev/null
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### FIXME: SC2154
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ufw route delete allow in on "${pivpnDEV}" from "${pivpnNET}/24" out on "${IPv4dev}" to any > /dev/null
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sed -z "s/*nat\n:POSTROUTING ACCEPT \[0:0\]\n-I POSTROUTING -s ${pivpnNET}\/24 -o ${IPv4dev} -j MASQUERADE\nCOMMIT\n\n//" -i /etc/ufw/before.rules
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sed -z "s/*nat\\n:POSTROUTING ACCEPT \\[0:0\\]\\n-I POSTROUTING -s ${pivpnNET}\\/24 -o ${IPv4dev} -j MASQUERADE\\nCOMMIT\\n\\n//" -i /etc/ufw/before.rules
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iptables -t nat -D POSTROUTING -s "${pivpnNET}/24" -o "${IPv4dev}" -j MASQUERADE
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ufw reload &> /dev/null
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@ -100,6 +108,7 @@ removeAll(){
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# On Debian and armv7l Raspbian, remove the unstable repo (on armv6l Raspbian
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# there is no wireguard package). On Ubuntu, remove the PPA.
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### FIXME: unconditionally rm'ing unstable.list isn't a good idea, it appears. What if someone else put it there manually?
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if [ "$PLAT" = "Debian" ] || { [ "$PLAT" = "Raspbian" ] && [ "$(uname -m)" = "armv7l" ]; }; 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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@ -126,27 +135,30 @@ removeAll(){
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elif [ "${i}" = "unattended-upgrades" ]; then
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### REALLY???
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rm -rf /var/log/unattended-upgrades
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rm -rf /etc/apt/apt.conf.d/*periodic
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rm -rf /etc/apt/apt.conf.d/*unattended-upgrades
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elif [ "${i}" = "openvpn" ]; then
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deluser openvpn
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fi
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printf ":::\tRemoving %s..." "$i"; $PKG_MANAGER -y remove --purge "$i" &> /dev/null & spinner $!; printf "done!\n";
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printf ":::\\tRemoving %s..." "$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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[Nn]* ) printf ":::\\tSkipping %s\\n" "$i";
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break
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;;
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* ) printf "::: You must answer yes or no!\n";;
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* ) printf "::: You must answer yes or no!\\n";;
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esac
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done
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done
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# Take care of any additional package cleaning
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printf "::: Auto removing remaining dependencies..."
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$PKG_MANAGER -y autoremove &> /dev/null & spinner $!; printf "done!\n";
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$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 $!; printf "done!\n";
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$PKG_MANAGER -y autoclean &> /dev/null & spinner $!; printf "done!\\n";
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echo ":::"
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# Removing pivpn files
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@ -160,7 +172,7 @@ removeAll(){
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rm -rf /opt/pivpn
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rm -rf /etc/.pivpn
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rm -rf /etc/pivpn
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rm -rf /var/log/*pivpn*
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rm -f /var/log/*pivpn*
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rm -f /usr/local/bin/pivpn
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rm -f /etc/bash_completion.d/pivpn
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@ -169,28 +181,29 @@ removeAll(){
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if [ "$VPN" = "wireguard" ]; then
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rm -f /etc/wireguard/wg0.conf
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rm -rf /etc/wireguard/configs
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rm -rf /etc/wireguard/keys
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rm -rf $install_home/configs
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rm -f /etc/wireguard/configs
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rm -f /etc/wireguard/keys
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### FIXME SC2154
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rm -f "$install_home/configs"
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elif [ "$VPN" = "openvpn" ]; then
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rm -rf /var/log/*openvpn*
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rm -f /var/log/*openvpn*
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rm -f /etc/openvpn/server.conf
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rm -f /etc/openvpn/crl.pem
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rm -rf /etc/openvpn/easy-rsa
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rm -rf $install_home/ovpns
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rm -f /etc/openvpn/easy-rsa
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rm -f "$install_home/ovpns"
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fi
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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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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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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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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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@ -204,6 +217,6 @@ while true; do
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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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[Nn]* ) printf "::: Not removing anything, exiting...\\n"; break;;
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esac
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done
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