#!/bin/bash # # RaspAP installation functions. # author: @billz # license: GNU General Public License v3.0 raspap_dir="/etc/raspap" raspap_user="www-data" webroot_dir="/var/www/html" version=`sed 's/\..*//' /etc/debian_version` # Determine Raspbian version, set default home location for lighttpd and # php package to install if [ $version -eq 10 ]; then version_msg="Raspbian 10.0 (Buster)" php_package="php7.1-cgi" elif [ $version -eq 9 ]; then version_msg="Raspbian 9.0 (Stretch)" php_package="php7.0-cgi" elif [ $version -eq 8 ]; then version_msg="Raspbian 8.0 (Jessie)" php_package="php5-cgi" else version_msg="Raspbian earlier than 8.0 (Wheezy)" webroot_dir="/var/www" php_package="php5-cgi" fi phpcgiconf="" if [ "$php_package" = "php7.1-cgi" ]; then phpcgiconf="/etc/php/7.1/cgi/php.ini" elif [ "$php_package" = "php7.0-cgi" ]; then phpcgiconf="/etc/php/7.0/cgi/php.ini" elif [ "$php_package" = "php5-cgi" ]; then phpcgiconf="/etc/php5/cgi/php.ini" fi # Outputs a RaspAP Install log line function install_log() { echo -e "\033[1;32mRaspAP Install: $*\033[m" } # Outputs a RaspAP Install Error log line and exits with status code 1 function install_error() { echo -e "\033[1;37;41mRaspAP Install Error: $*\033[m" exit 1 } # Outputs a RaspAP Warning line function install_warning() { echo -e "\033[1;33mWarning: $*\033[m" } # Outputs a welcome message function display_welcome() { raspberry='\033[0;35m' green='\033[1;32m' echo -e "${raspberry}\n" echo -e " 888888ba .d888888 888888ba" echo -e " 88 8b d8 88 88 8b" echo -e "a88aaaa8P' .d8888b. .d8888b. 88d888b. 88aaaaa88a a88aaaa8P" echo -e " 88 8b. 88 88 Y8ooooo. 88 88 88 88 88" echo -e " 88 88 88. .88 88 88. .88 88 88 88" echo -e " dP dP 88888P8 88888P 88Y888P 88 88 dP" echo -e " 88" echo -e " dP" echo -e "${green}" echo -e "The Quick Installer will guide you through a few easy steps\n\n" } ### NOTE: all the below functions are overloadable for system-specific installs ### NOTE: some of the below functions MUST be overloaded due to system-specific installs function config_installation() { install_log "Configure installation" echo "Detected ${version_msg}" echo "Install directory: ${raspap_dir}" echo "Lighttpd directory: ${webroot_dir}" echo -n "Complete installation with these values? [y/N]: " if [ $assume_yes == 0 ]; then read answer if [[ $answer != "y" ]]; then echo "Installation aborted." exit 0 fi else echo -e fi } # Runs a system software update to make sure we're using all fresh packages function update_system_packages() { # OVERLOAD THIS install_error "No function definition for update_system_packages" } # Installs additional dependencies using system package manager function install_dependencies() { # OVERLOAD THIS install_error "No function definition for install_dependencies" } # Enables PHP for lighttpd and restarts service for settings to take effect function enable_php_lighttpd() { install_log "Enabling PHP for lighttpd" sudo lighttpd-enable-mod fastcgi-php sudo service lighttpd force-reload sudo /etc/init.d/lighttpd restart || install_error "Unable to restart lighttpd" } # Verifies existence and permissions of RaspAP directory function create_raspap_directories() { install_log "Creating RaspAP directories" if [ -d "$raspap_dir" ]; then sudo mv $raspap_dir "$raspap_dir.`date +%F-%R`" || install_error "Unable to move old '$raspap_dir' out of the way" fi sudo mkdir -p "$raspap_dir" || install_error "Unable to create directory '$raspap_dir'" # Create a directory for existing file backups. sudo mkdir -p "$raspap_dir/backups" # Create a directory to store networking configs sudo mkdir -p "$raspap_dir/networking" # Copy existing dhcpcd.conf to use as base config cat /etc/dhcpcd.conf | sudo tee -a /etc/raspap/networking/defaults sudo chown -R $raspap_user:$raspap_user "$raspap_dir" || install_error "Unable to change file ownership for '$raspap_dir'" } # Generate hostapd logging and service control scripts function create_hostapd_scripts() { install_log "Creating hostapd logging & control scripts" sudo mkdir $raspap_dir/hostapd || install_error "Unable to create directory '$raspap_dir/hostapd'" # Move logging shell scripts sudo cp "$webroot_dir/installers/"*log.sh "$raspap_dir/hostapd" || install_error "Unable to move logging scripts" # Move service control shell scripts sudo cp "$webroot_dir/installers/"service*.sh "$raspap_dir/hostapd" || install_error "Unable to move service control scripts" # Make enablelog.sh and disablelog.sh not writable by www-data group. sudo chown -c root:"$raspap_user" "$raspap_dir/hostapd/"*.sh || install_error "Unable change owner and/or group." sudo chmod 750 "$raspap_dir/hostapd/"*.sh || install_error "Unable to change file permissions." } # Fetches latest files from github to webroot function download_latest_files() { if [ -d "$webroot_dir" ]; then sudo mv $webroot_dir "$webroot_dir.`date +%F-%R`" || install_error "Unable to remove old webroot directory" fi install_log "Cloning latest files from github" git clone --depth 1 https://github.com/billz/raspap-webgui /tmp/raspap-webgui || install_error "Unable to download files from github" sudo mv /tmp/raspap-webgui $webroot_dir || install_error "Unable to move raspap-webgui to web root" } # Sets files ownership in web root directory function change_file_ownership() { if [ ! -d "$webroot_dir" ]; then install_error "Web root directory doesn't exist" fi install_log "Changing file ownership in web root directory" sudo chown -R $raspap_user:$raspap_user "$webroot_dir" || install_error "Unable to change file ownership for '$webroot_dir'" } # Check for existing /etc/network/interfaces and /etc/hostapd/hostapd.conf files function check_for_old_configs() { if [ -f /etc/network/interfaces ]; then sudo cp /etc/network/interfaces "$raspap_dir/backups/interfaces.`date +%F-%R`" sudo ln -sf "$raspap_dir/backups/interfaces.`date +%F-%R`" "$raspap_dir/backups/interfaces" fi if [ -f /etc/hostapd/hostapd.conf ]; then sudo cp /etc/hostapd/hostapd.conf "$raspap_dir/backups/hostapd.conf.`date +%F-%R`" sudo ln -sf "$raspap_dir/backups/hostapd.conf.`date +%F-%R`" "$raspap_dir/backups/hostapd.conf" fi if [ -f /etc/dnsmasq.conf ]; then sudo cp /etc/dnsmasq.conf "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`" sudo ln -sf "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`" "$raspap_dir/backups/dnsmasq.conf" fi if [ -f /etc/dhcpcd.conf ]; then sudo cp /etc/dhcpcd.conf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`" sudo ln -sf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`" "$raspap_dir/backups/dhcpcd.conf" fi if [ -f /etc/rc.local ]; then sudo cp /etc/rc.local "$raspap_dir/backups/rc.local.`date +%F-%R`" sudo ln -sf "$raspap_dir/backups/rc.local.`date +%F-%R`" "$raspap_dir/backups/rc.local" fi } # Move configuration file to the correct location function move_config_file() { if [ ! -d "$raspap_dir" ]; then install_error "'$raspap_dir' directory doesn't exist" fi install_log "Moving configuration file to '$raspap_dir'" sudo cp "$webroot_dir"/raspap.php "$raspap_dir" || install_error "Unable to move files to '$raspap_dir'" sudo chown -R $raspap_user:$raspap_user "$raspap_dir" || install_error "Unable to change file ownership for '$raspap_dir'" } # Set up default configuration function default_configuration() { install_log "Setting up hostapd" if [ -f /etc/default/hostapd ]; then sudo mv /etc/default/hostapd /tmp/default_hostapd.old || install_error "Unable to remove old /etc/default/hostapd file" fi sudo cp $webroot_dir/config/default_hostapd /etc/default/hostapd || install_error "Unable to move hostapd defaults file" sudo cp $webroot_dir/config/hostapd.conf /etc/hostapd/hostapd.conf || install_error "Unable to move hostapd configuration file" sudo cp $webroot_dir/config/dnsmasq.conf /etc/dnsmasq.conf || install_error "Unable to move dnsmasq configuration file" sudo cp $webroot_dir/config/dhcpcd.conf /etc/dhcpcd.conf || install_error "Unable to move dhcpcd configuration file" # Generate required lines for Rasp AP to place into rc.local file. # #RASPAP is for removal script lines=( 'echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward #RASPAP' 'iptables -t nat -A POSTROUTING -j MASQUERADE #RASPAP' 'iptables -t nat -A POSTROUTING -s 192.168.50.0\/24 ! -d 192.168.50.0\/24 -j MASQUERADE #RASPAP' ) for line in "${lines[@]}"; do if grep "$line" /etc/rc.local > /dev/null; then echo "$line: Line already added" else sudo sed -i "s/^exit 0$/$line\nexit 0/" /etc/rc.local echo "Adding line $line" fi done # Force a reload of new settings in /etc/rc.local sudo systemctl restart rc-local.service sudo systemctl daemon-reload # Prompt to install RaspAP daemon echo -n "Enable RaspAP control service (Recommended)? [Y/n]: " if [ $assume_yes == 0 ]; then read answer if [ "$answer" != 'n' ] && [ "$answer" != 'N' ]; then enable_raspap_daemon fi else echo -e enable_raspap_daemon fi } # Install and enable RaspAP daemon function enable_raspap_daemon() { install_log "Enabling RaspAP daemon" echo "Disable with: sudo systemctl disable raspap.service" sudo cp $webroot_dir/installers/raspap.service /lib/systemd/system/ || install_error "Unable to move raspap.service file" sudo systemctl enable raspap.service || install_error "Failed to enable raspap.service" } # Add a single entry to the sudoers file function sudo_add() { sudo bash -c "echo \"www-data ALL=(ALL) NOPASSWD:$1\" | (EDITOR=\"tee -a\" visudo)" \ || install_error "Unable to patch /etc/sudoers" } # Adds www-data user to the sudoers file with restrictions on what the user can execute function patch_system_files() { # add symlink to prevent wpa_cli cmds from breaking with multiple wlan interfaces install_log "symlinked wpa_supplicant hooks for multiple wlan interfaces" sudo ln -s /usr/share/dhcpcd/hooks/10-wpa_supplicant /etc/dhcp/dhclient-enter-hooks.d/ # Set commands array cmds=( "/sbin/ifdown" "/sbin/ifup" "/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf" "/bin/cat /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf" "/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf" "/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf" "/sbin/wpa_cli -i wlan[0-9] scan_results" "/sbin/wpa_cli -i wlan[0-9] scan" "/sbin/wpa_cli -i wlan[0-9] reconfigure" "/sbin/wpa_cli -i wlan[0-9] select_network" "/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf" "/etc/init.d/hostapd start" "/etc/init.d/hostapd stop" "/etc/init.d/dnsmasq start" "/etc/init.d/dnsmasq stop" "/bin/cp /tmp/dnsmasqdata /etc/dnsmasq.conf" "/bin/cp /tmp/dhcpddata /etc/dhcpcd.conf" "/sbin/shutdown -h now" "/sbin/reboot" "/sbin/ip link set wlan[0-9] down" "/sbin/ip link set wlan[0-9] up" "/sbin/ip -s a f label wlan[0-9]" "/bin/cp /etc/raspap/networking/dhcpcd.conf /etc/dhcpcd.conf" "/etc/raspap/hostapd/enablelog.sh" "/etc/raspap/hostapd/disablelog.sh" "/etc/raspap/hostapd/servicestart.sh" ) # Check if sudoers needs patching if [ $(sudo grep -c www-data /etc/sudoers) -ne 28 ] then # Sudoers file has incorrect number of commands. Wiping them out. install_log "Cleaning sudoers file" sudo sed -i '/www-data/d' /etc/sudoers install_log "Patching system sudoers file" # patch /etc/sudoers file for cmd in "${cmds[@]}" do sudo_add $cmd IFS=$'\n' done else install_log "Sudoers file already patched" fi # Unmask and enable hostapd.service sudo systemctl unmask hostapd.service sudo systemctl enable hostapd.service } # Optimize configuration of php-cgi. function optimize_php() { install_log "Optimize PHP configuration" if [ ! -f "$phpcgiconf" ]; then install_warning "PHP configuration could not be found." return fi # Backup php.ini and create symlink for restoring. datetimephpconf=$(date +%F-%R) sudo cp "$phpcgiconf" "$raspap_dir/backups/php.ini.$datetimephpconf" sudo ln -sf "$raspap_dir/backups/php.ini.$datetimephpconf" "$raspap_dir/backups/php.ini" echo -n "Enable HttpOnly for session cookies (Recommended)? [Y/n]: " if [ $assume_yes == 0 ]; then read answer if [ "$answer" != 'n' ] && [ "$answer" != 'N' ]; then $php_session_cookie=1; fi fi if [ $assume_yes == 1 ] || [ $php_session_cookie == 1 ]; then echo "Php-cgi enabling session.cookie_httponly." sudo sed -i -E 's/^session\.cookie_httponly\s*=\s*(0|([O|o]ff)|([F|f]alse)|([N|n]o))\s*$/session.cookie_httponly = 1/' "$phpcgiconf" fi if [ "$php_package" = "php7.1-cgi" ]; then echo -n "Enable PHP OPCache (Recommended)? [Y/n]: " if [ $assume_yes == 0 ]; then read answer if [ "$answer" != 'n' ] && [ "$answer" != 'N' ]; then $php_opcache=1; fi fi if [ $assume_yes == 1 ] || [ $phpopcache == 1 ]; then echo -e "Php-cgi enabling opcache.enable." sudo sed -i -E 's/^;?opcache\.enable\s*=\s*(0|([O|o]ff)|([F|f]alse)|([N|n]o))\s*$/opcache.enable = 1/' "$phpcgiconf" # Make sure opcache extension is turned on. if [ -f "/usr/sbin/phpenmod" ]; then sudo phpenmod opcache else install_warning "phpenmod not found." fi fi fi } function install_complete() { install_log "Installation completed!" if [ $assume_yes == 0 ]; then # Prompt to reboot if wired ethernet (eth0) is connected. # With default_configuration this will create an active AP on restart. if ip a | grep -q ': eth0:.*state UP'; then echo -n "The system needs to be rebooted as a final step. Reboot now? [y/N]: " read answer if [[ $answer != "y" ]]; then echo "Installation reboot aborted." exit 0 fi sudo shutdown -r now || install_error "Unable to execute shutdown" fi fi } function install_raspap() { display_welcome config_installation update_system_packages install_dependencies optimize_php enable_php_lighttpd create_raspap_directories check_for_old_configs download_latest_files change_file_ownership create_hostapd_scripts move_config_file default_configuration patch_system_files install_complete }