mirror of
https://github.com/RaspAP/raspap-webgui.git
synced 2024-11-22 15:40:22 +00:00
229 lines
8 KiB
Bash
Executable file
229 lines
8 KiB
Bash
Executable file
#!/bin/bash
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#
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# RaspAP uninstall functions
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# Author: @billz <billzimmerman@gmail.com>
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# License: GNU General Public License v3.0
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#
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# You are not obligated to bundle the LICENSE file with your RaspAP projects as long
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# as you leave these references intact in the header comments of your source files.
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# Exit on error
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set -o errexit
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# Exit on error inside functions
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set -o errtrace
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# Turn on traces, disabled by default
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# set -o xtrace
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# Set defaults
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readonly raspap_dir="/etc/raspap"
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readonly raspap_user="www-data"
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readonly raspap_sudoers="/etc/sudoers.d/090_raspap"
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readonly raspap_dnsmasq="/etc/dnsmasq.d/090_wlan0.conf"
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readonly raspap_sysctl="/etc/sysctl.d/90_raspap.conf"
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readonly raspap_adblock="/etc/dnsmasq.d/090_adblock.conf"
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readonly raspap_network="/etc/systemd/network/"
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readonly rulesv4="/etc/iptables/rules.v4"
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webroot_dir="/var/www/html"
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# Determines host Linux distrubtion details
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function _get_linux_distro() {
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if type lsb_release >/dev/null 2>&1; then # linuxbase.org
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OS=$(lsb_release -si)
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RELEASE=$(lsb_release -sr)
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CODENAME=$(lsb_release -sc)
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DESC=$(lsb_release -sd)
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elif [ -f /etc/os-release ]; then # freedesktop.org
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. /etc/os-release
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OS=$ID
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RELEASE=$VERSION_ID
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CODENAME=$VERSION_CODENAME
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DESC=$PRETTY_NAME
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else
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_install_error "Unsupported Linux distribution"
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fi
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}
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# Sets php package option based on Linux version, abort if unsupported distro
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function _set_php_package() {
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case $RELEASE in
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18.04|19.10) # Ubuntu Server
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php_package="php7.4-cgi"
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phpcgiconf="/etc/php/7.4/cgi/php.ini" ;;
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10*)
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php_package="php7.3-cgi"
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phpcgiconf="/etc/php/7.3/cgi/php.ini" ;;
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9*)
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php_package="php7.0-cgi"
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phpcgiconf="/etc/php/7.0/cgi/php.ini" ;;
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esac
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}
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# Outputs a RaspAP Install log line
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function _install_log() {
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echo -e "\033[1;32mRaspAP Uninstall: $*\033[m"
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}
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# Outputs a RaspAP Install Error log line and exits with status code 1
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function _install_error() {
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echo -e "\033[1;37;41mRaspAP Uninstall Error: $*\033[m"
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exit 1
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}
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# Checks to make sure uninstallation info is correct
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function _config_uninstallation() {
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_install_log "Configure uninstall of RaspAP"
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_get_linux_distro
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echo "Detected ${DESC}"
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echo "RaspAP install directory: ${raspap_dir}"
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echo -n "Lighttpd install directory: ${webroot_dir}? [Y/n]: "
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read answer
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if [ "$answer" != "${answer#[Nn]}" ]; then
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read -e -p "Enter alternate lighttpd directory: " -i "/var/www/html" webroot_dir
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fi
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echo "Uninstall from lighttpd directory: ${webroot_dir}"
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echo -n "Uninstall RaspAP with these values? [Y/n]: "
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read answer
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if [[ "$answer" != "${answer#[Nn]}" ]]; then
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echo "Installation aborted."
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exit 0
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fi
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}
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# Checks for/restore backup files
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function _check_for_backups() {
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if [ -d "$raspap_dir/backups" ]; then
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if [ -f "$raspap_dir/backups/hostapd.conf" ]; then
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echo -n "Restore the last hostapd configuration file? [y/N]: "
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read answer
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if [[ $answer -eq 'y' ]]; then
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sudo cp "$raspap_dir/backups/hostapd.conf" /etc/hostapd/hostapd.conf
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fi
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fi
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if [ -f "$raspap_dir/backups/dnsmasq.conf" ]; then
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echo -n "Restore the last dnsmasq configuration file? [y/N]: "
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read answer
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if [[ $answer -eq 'y' ]]; then
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sudo cp "$raspap_dir/backups/dnsmasq.conf" /etc/dnsmasq.conf
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fi
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fi
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if [ -f "$raspap_dir/backups/dhcpcd.conf" ]; then
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echo -n "Restore the last dhcpcd.conf file? [y/N]: "
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read answer
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if [[ $answer -eq 'y' ]]; then
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sudo cp "$raspap_dir/backups/dhcpcd.conf" /etc/dhcpcd.conf
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fi
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fi
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if [ -f "$raspap_dir/backups/php.ini" ] && [ -f "$phpcgiconf" ]; then
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echo -n "Restore the last php.ini file? [y/N]: "
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read answer
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if [[ $answer -eq 'y' ]]; then
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sudo cp "$raspap_dir/backups/php.ini" "$phpcgiconf"
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fi
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fi
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fi
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}
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# Removes RaspAP directories
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function _remove_raspap_directories() {
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_install_log "Removing RaspAP Directories"
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if [ ! -d "$raspap_dir" ]; then
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_install_error "RaspAP Configuration directory not found. Exiting."
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fi
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if [ ! -d "$webroot_dir" ]; then
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_install_error "RaspAP Installation directory not found. Exiting."
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fi
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sudo rm -rf "$webroot_dir"/* || _install_error "Unable to remove $webroot_dir"
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sudo rm -rf "$raspap_dir" || _install_error "Unable to remove $raspap_dir"
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}
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# Removes raspapd.service
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function _remove_raspap_service() {
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_install_log "Removing raspapd.service"
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sudo rm /lib/systemd/system/raspapd.service || _install_error "Unable to remove raspap.service file"
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sudo systemctl daemon-reload
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sudo systemctl disable raspapd.service || _install_error "Failed to disable raspap.service"
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echo "Done."
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}
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# Restores networking config to pre-install defaults
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function _restore_networking() {
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_install_log "Restoring networking config to pre-install defaults"
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echo "Disabling IP forwarding in $raspap_sysctl"
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sudo rm "$raspap_sysctl" || _install_error "Unable to remove $raspap_sysctl"
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sudo /etc/init.d/procps restart || _install_error "Unable to execute procps"
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echo "Checking iptables rules"
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rules=(
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"-A POSTROUTING -j MASQUERADE"
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"-A POSTROUTING -s 192.168.50.0/24 ! -d 192.168.50.0/24 -j MASQUERADE"
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)
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for rule in "${rules[@]}"; do
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if grep -- "$rule" $rulesv4 > /dev/null; then
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rule=$(sed -e 's/^\(-A POSTROUTING\)/-t nat -D POSTROUTING/' <<< $rule)
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echo "Removing rule: ${rule}"
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sudo iptables $rule || _install_error "Unable to execute iptables"
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removed=true
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fi
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done
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# Persist rules if removed
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if [ "$removed" = true ]; then
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echo "Removing persistent iptables rules"
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sudo iptables-save | sudo tee $rulesv4 > /dev/null || _install_error "Unable to execute iptables-save"
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fi
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echo "Done."
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# Remove dnsmasq and bridge configs
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echo "Removing 090_raspap.conf from dnsmasq"
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sudo rm "$raspap_dnsmasq" || _install_error "Unable to remove $raspap_dnsmasq"
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echo "Removing raspap bridge configurations"
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sudo rm "$raspap_network"/raspap* || _install_error "Unable to remove bridge config"
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if [ -f $raspap_adblock ]; then
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echo "Removing raspap adblock configuration"
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sudo rm "$raspap_adblock" || _install_error "Unable to remove adblock config"
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fi
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}
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# Removes installed packages
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function _remove_installed_packages() {
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_install_log "Removing installed packages"
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_set_php_package
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if [ ${OS,,} = "debian" ] || [ ${OS,,} = "ubuntu" ]; then
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dhcpcd_package="dhcpcd5"
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else
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dhcpcd_package="dnsmasq"
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fi
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echo -n "Remove the following installed packages? lighttpd hostapd iptables-persistent $php_package $dhcpcd_package vnstat qrencode [y/N]: "
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read answer
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if [ "$answer" != 'n' ] && [ "$answer" != 'N' ]; then
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echo "Removing packages."
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sudo apt-get remove lighttpd hostapd iptables-persistent $php_package $dhcpcd_package vnstat qrencode || _install_error "Unable to remove installed packages"
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sudo apt-get autoremove || _install_error "Unable to run apt autoremove"
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else
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echo "Leaving packages installed."
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fi
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}
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# Removes www-data from sudoers
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function _remove_sudoers() {
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_install_log "Removing sudoers permissions"
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echo "Removing ${raspap_sudoers}"
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sudo rm "$raspap_sudoers" || _install_error "Unable to remove $raspap_sudoers"
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echo "Done."
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}
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function _uninstall_complete() {
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_install_log "Uninstall completed"
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echo "It is recommended that you reboot your system as a final step."
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}
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function _remove_raspap() {
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_config_uninstallation
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_check_for_backups
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_remove_raspap_service
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_restore_networking
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_remove_raspap_directories
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_remove_installed_packages
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_remove_sudoers
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_uninstall_complete
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}
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_remove_raspap
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