461 lines
18 KiB
Bash
Executable File
461 lines
18 KiB
Bash
Executable File
#!/bin/bash
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#
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# RaspAP installation functions.
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# author: @billz
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# license: GNU General Public License v3.0
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raspap_dir="/etc/raspap"
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raspap_user="www-data"
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webroot_dir="/var/www/html"
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version=`sed 's/\..*//' /etc/debian_version`
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# Determine Raspbian version, set default home location for lighttpd and
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# php package to install
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if [ "$version" -eq "10" ]; then
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version_msg="Raspbian 10.0 (Buster)"
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php_package="php7.1-cgi"
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elif [ "$version" -eq "9" ]; then
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version_msg="Raspbian 9.0 (Stretch)"
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php_package="php7.0-cgi"
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elif [ "$version" -eq "8" ]; then
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install_error "Raspbian 8.0 (Jessie) and php5 are deprecated. Please upgrade."
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elif [ "$version" -lt "8" ]; then
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install_error "Raspbian ${version} is unsupported. Please upgrade."
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fi
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phpcgiconf=""
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if [ "$php_package" = "php7.1-cgi" ]; then
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phpcgiconf="/etc/php/7.1/cgi/php.ini"
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elif [ "$php_package" = "php7.0-cgi" ]; then
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phpcgiconf="/etc/php/7.0/cgi/php.ini"
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fi
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### NOTE: all the below functions are overloadable for system-specific installs
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# Prompts user to set options for installation
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function config_installation() {
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install_log "Configure installation"
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echo "Detected ${version_msg}"
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echo "Install directory: ${raspap_dir}"
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echo -n "Install to Lighttpd root directory: ${webroot_dir}? [Y/n]: "
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if [ "$assume_yes" == 0 ]; then
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read answer < /dev/tty
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if [ "$answer" != "${answer#[Nn]}" ]; then
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read -e -p < /dev/tty "Enter alternate Lighttpd directory: " -i "/var/www/html" webroot_dir
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fi
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else
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echo -e
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fi
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echo "Install to Lighttpd directory: ${webroot_dir}"
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echo -n "Complete installation with these values? [Y/n]: "
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if [ "$assume_yes" == 0 ]; then
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read answer < /dev/tty
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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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else
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echo -e
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fi
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}
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# Runs a system software update to make sure we're using all fresh packages
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function install_dependencies() {
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install_log "Installing required packages"
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sudo apt-get install $apt_option lighttpd $php_package git hostapd dnsmasq vnstat qrencode || install_error "Unable to install dependencies"
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}
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# Enables PHP for lighttpd and restarts service for settings to take effect
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function enable_php_lighttpd() {
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install_log "Enabling PHP for lighttpd"
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sudo lighttpd-enable-mod fastcgi-php
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sudo service lighttpd force-reload
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sudo systemctl restart lighttpd.service || install_error "Unable to restart lighttpd"
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}
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# Verifies existence and permissions of RaspAP directory
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function create_raspap_directories() {
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install_log "Creating RaspAP directories"
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if [ -d "$raspap_dir" ]; then
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sudo mv $raspap_dir "$raspap_dir.`date +%F-%R`" || install_error "Unable to move old '$raspap_dir' out of the way"
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fi
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sudo mkdir -p "$raspap_dir" || install_error "Unable to create directory '$raspap_dir'"
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# Create a directory for existing file backups.
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sudo mkdir -p "$raspap_dir/backups"
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# Create a directory to store networking configs
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sudo mkdir -p "$raspap_dir/networking"
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# Copy existing dhcpcd.conf to use as base config
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cat /etc/dhcpcd.conf | sudo tee -a /etc/raspap/networking/defaults
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sudo chown -R $raspap_user:$raspap_user "$raspap_dir" || install_error "Unable to change file ownership for '$raspap_dir'"
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}
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# Generate hostapd logging and service control scripts
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function create_hostapd_scripts() {
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install_log "Creating hostapd logging & control scripts"
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sudo mkdir $raspap_dir/hostapd || install_error "Unable to create directory '$raspap_dir/hostapd'"
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# Move logging shell scripts
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sudo cp "$webroot_dir/installers/"*log.sh "$raspap_dir/hostapd" || install_error "Unable to move logging scripts"
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# Move service control shell scripts
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sudo cp "$webroot_dir/installers/"service*.sh "$raspap_dir/hostapd" || install_error "Unable to move service control scripts"
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# Make enablelog.sh and disablelog.sh not writable by www-data group.
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sudo chown -c root:"$raspap_user" "$raspap_dir/hostapd/"*.sh || install_error "Unable change owner and/or group"
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sudo chmod 750 "$raspap_dir/hostapd/"*.sh || install_error "Unable to change file permissions"
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}
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# Generate lighttpd service control scripts
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function create_lighttpd_scripts() {
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install_log "Creating lighttpd control scripts"
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sudo mkdir $raspap_dir/lighttpd || install_error "Unable to create directory '$raspap_dir/lighttpd"
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# Move service control shell scripts
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sudo cp "$webroot_dir/installers/"configport.sh "$raspap_dir/lighttpd" || install_error "Unable to move service control scripts"
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# Make configport.sh writable by www-data group
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sudo chown -c root:"$raspap_user" "$raspap_dir/lighttpd/"*.sh || install_error "Unable change owner and/or group"
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sudo chmod 750 "$raspap_dir/lighttpd/"*.sh || install_error "Unable to change file permissions"
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}
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# Prompt to install openvpn
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function prompt_install_openvpn() {
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install_log "Setting up OpenVPN support (beta)"
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echo -n "Install OpenVPN and enable client configuration? [Y/n]: "
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if [ "$assume_yes" == 0 ]; then
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read answer < /dev/tty
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if [ "$answer" != "${answer#[Nn]}" ]; then
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echo -e
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else
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install_openvpn
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fi
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elif [ "$ovpn_option" == 1 ]; then
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install_openvpn
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fi
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}
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# Install openvpn and enable client configuration option
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function install_openvpn() {
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install_log "Installing OpenVPN and enabling client configuration"
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sudo apt-get install -y openvpn || install_error "Unable to install openvpn"
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sudo sed -i "s/\('RASPI_OPENVPN_ENABLED', \)false/\1true/g" "$webroot_dir/includes/config.php" || install_error "Unable to modify config.php"
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echo "Enabling openvpn-client service on boot"
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sudo systemctl enable openvpn-client@client || install_error "Unable to enable openvpn-client daemon"
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create_openvpn_scripts || install_error "Unable to create openvpn control scripts"
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}
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# Generate openvpn logging and auth control scripts
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function create_openvpn_scripts() {
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install_log "Creating OpenVPN control scripts"
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sudo mkdir $raspap_dir/openvpn || install_error "Unable to create directory '$raspap_dir/openvpn'"
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# Move service auth control shell scripts
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sudo cp "$webroot_dir/installers/"configauth.sh "$raspap_dir/openvpn" || install_error "Unable to move auth control script"
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# Make configauth.sh writable by www-data group
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sudo chown -c root:"$raspap_user" "$raspap_dir/openvpn/"*.sh || install_error "Unable change owner and/or group"
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sudo chmod 750 "$raspap_dir/openvpn/"*.sh || install_error "Unable to change file permissions"
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}
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# Fetches latest files from github to webroot
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function download_latest_files() {
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if [ ! -d "$webroot_dir" ]; then
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sudo mkdir -p $webroot_dir || install_error "Unable to create new webroot directory"
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fi
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if [ -d "$webroot_dir" ]; then
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sudo mv $webroot_dir "$webroot_dir.`date +%F-%R`" || install_error "Unable to remove old webroot directory"
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fi
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install_log "Cloning latest files from github"
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# git clone --depth 1 https://github.com/billz/raspap-webgui /tmp/raspap-webgui || install_error "Unable to download files from github"
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git clone --single-branch --branch bridge-mode --depth 1 https://github.com/Taikuh/raspap-webgui /tmp/raspap-webgui || install_error "Unable to download files from github"
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sudo mv /tmp/raspap-webgui $webroot_dir || install_error "Unable to move raspap-webgui to web root"
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}
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# Sets files ownership in web root directory
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function change_file_ownership() {
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if [ ! -d "$webroot_dir" ]; then
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install_error "Web root directory doesn't exist"
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fi
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install_log "Changing file ownership in web root directory"
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sudo chown -R $raspap_user:$raspap_user "$webroot_dir" || install_error "Unable to change file ownership for '$webroot_dir'"
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}
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# Check for existing /etc/network/interfaces and /etc/hostapd/hostapd.conf files
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function check_for_old_configs() {
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if [ -f /etc/network/interfaces ]; then
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sudo cp /etc/network/interfaces "$raspap_dir/backups/interfaces.`date +%F-%R`"
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sudo ln -sf "$raspap_dir/backups/interfaces.`date +%F-%R`" "$raspap_dir/backups/interfaces"
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fi
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if [ -f /etc/hostapd/hostapd.conf ]; then
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sudo cp /etc/hostapd/hostapd.conf "$raspap_dir/backups/hostapd.conf.`date +%F-%R`"
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sudo ln -sf "$raspap_dir/backups/hostapd.conf.`date +%F-%R`" "$raspap_dir/backups/hostapd.conf"
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fi
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if [ -f /etc/dnsmasq.conf ]; then
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sudo cp /etc/dnsmasq.conf "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`"
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sudo ln -sf "$raspap_dir/backups/dnsmasq.conf.`date +%F-%R`" "$raspap_dir/backups/dnsmasq.conf"
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fi
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if [ -f /etc/dhcpcd.conf ]; then
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sudo cp /etc/dhcpcd.conf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`"
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sudo ln -sf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`" "$raspap_dir/backups/dhcpcd.conf"
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fi
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if [ -f /etc/rc.local ]; then
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sudo cp /etc/rc.local "$raspap_dir/backups/rc.local.`date +%F-%R`"
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sudo ln -sf "$raspap_dir/backups/rc.local.`date +%F-%R`" "$raspap_dir/backups/rc.local"
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fi
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for file in /etc/systemd/network/raspap-*.net*; do
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sudo cp "$file" "${raspap_dir}/backups/${file}.`date +%F-%R`"
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sudo ln -sf "${raspap_dir}/backups/${file}.`date +%F-%R`" "${raspap_dir}/backups/${file}"
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done
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}
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# Move configuration file to the correct location
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function move_config_file() {
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if [ ! -d "$raspap_dir" ]; then
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install_error "'$raspap_dir' directory doesn't exist"
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fi
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install_log "Moving configuration file to '$raspap_dir'"
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sudo cp "$webroot_dir"/raspap.php "$raspap_dir" || install_error "Unable to move files to '$raspap_dir'"
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sudo chown -R $raspap_user:$raspap_user "$raspap_dir" || install_error "Unable to change file ownership for '$raspap_dir'"
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}
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# Set up default configuration
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function default_configuration() {
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install_log "Setting up hostapd"
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if [ -f /etc/default/hostapd ]; then
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sudo mv /etc/default/hostapd /tmp/default_hostapd.old || install_error "Unable to remove old /etc/default/hostapd file"
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fi
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sudo cp $webroot_dir/config/default_hostapd /etc/default/hostapd || install_error "Unable to move hostapd defaults file"
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sudo cp $webroot_dir/config/hostapd.conf /etc/hostapd/hostapd.conf || install_error "Unable to move hostapd configuration file"
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sudo cp $webroot_dir/config/dnsmasq.conf /etc/dnsmasq.conf || install_error "Unable to move dnsmasq configuration file"
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sudo cp $webroot_dir/config/dhcpcd.conf /etc/dhcpcd.conf || install_error "Unable to move dhcpcd configuration file"
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[ -d /etc/dnsmasq.d ] || sudo mkdir /etc/dnsmasq.d
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sudo systemctl stop systemd-networkd
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sudo systemctl disable systemd-networkd
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sudo cp $webroot_dir/config/raspap-bridge-br0.netdev /etc/systemd/network/raspap-bridge-br0.netdev || install_error "Unable to move br0 netdev file"
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sudo cp $webroot_dir/config/raspap-br0-member-eth0.network /etc/systemd/network/raspap-br0-member-eth0.network || install_error "Unable to move br0 member file"
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if [ ! -f "$webroot_dir/includes/config.php" ]; then
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sudo cp "$webroot_dir/config/config.php" "$webroot_dir/includes/config.php"
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fi
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# Generate required lines for Rasp AP to place into rc.local file.
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# #RASPAP is for removal script
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lines=(
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'echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward #RASPAP'
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'iptables -t nat -A POSTROUTING -j MASQUERADE #RASPAP'
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'iptables -t nat -A POSTROUTING -s 192.168.50.0\/24 ! -d 192.168.50.0\/24 -j MASQUERADE #RASPAP'
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)
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for line in "${lines[@]}"; do
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if grep "$line" /etc/rc.local > /dev/null; then
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echo "$line: Line already added"
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else
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sudo sed -i "s/^exit 0$/$line\nexit 0/" /etc/rc.local
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echo "Adding line $line"
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fi
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done
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# Force a reload of new settings in /etc/rc.local
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sudo systemctl restart rc-local.service
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sudo systemctl daemon-reload
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# Prompt to install RaspAP daemon
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echo -n "Enable RaspAP control service (Recommended)? [Y/n]: "
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if [ "$assume_yes" == 0 ]; then
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read answer < /dev/tty
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if [ "$answer" != "${answer#[Nn]}" ]; then
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echo -e
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else
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enable_raspap_daemon
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fi
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else
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echo -e
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enable_raspap_daemon
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fi
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}
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# Install and enable RaspAP daemon
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function enable_raspap_daemon() {
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install_log "Enabling RaspAP daemon"
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echo "Disable with: sudo systemctl disable raspap.service"
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sudo cp $webroot_dir/installers/raspap.service /lib/systemd/system/ || install_error "Unable to move raspap.service file"
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sudo systemctl enable raspap.service || install_error "Failed to enable raspap.service"
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}
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# Add a single entry to the sudoers file
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function sudo_add() {
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sudo bash -c "echo \"$raspap_user ALL=(ALL) NOPASSWD:$1\" | (EDITOR=\"tee -a\" visudo)" \
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|| install_error "Unable to patch /etc/sudoers"
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}
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# Adds www-data user to the sudoers file with restrictions on what the user can execute
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function patch_system_files() {
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# Set commands array
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cmds=(
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"/sbin/ifdown"
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"/sbin/ifup"
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"/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf"
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"/bin/cat /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf"
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"/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf"
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"/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wlan[0-9].conf"
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"/sbin/wpa_cli -i wlan[0-9] scan_results"
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"/sbin/wpa_cli -i wlan[0-9] scan"
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"/sbin/wpa_cli -i wlan[0-9] reconfigure"
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"/sbin/wpa_cli -i wlan[0-9] select_network"
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"/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf"
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"/bin/systemctl start hostapd.service"
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"/bin/systemctl stop hostapd.service"
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"/bin/systemctl start dnsmasq.service"
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"/bin/systemctl stop dnsmasq.service"
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"/bin/systemctl start openvpn-client@client"
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"/bin/systemctl stop openvpn-client@client"
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"/bin/cp /tmp/ovpnclient.ovpn /etc/openvpn/client/client.conf"
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"/bin/cp /tmp/authdata /etc/openvpn/client/login.conf"
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"/bin/cp /tmp/dnsmasqdata /etc/dnsmasq.conf"
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"/bin/cp /tmp/dhcpddata /etc/dhcpcd.conf"
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"/sbin/shutdown -h now"
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"/sbin/reboot"
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"/sbin/ip link set wlan[0-9] down"
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"/sbin/ip link set wlan[0-9] up"
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"/sbin/ip -s a f label wlan[0-9]"
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"/bin/cp /etc/raspap/networking/dhcpcd.conf /etc/dhcpcd.conf"
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"/etc/raspap/hostapd/enablelog.sh"
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"/etc/raspap/hostapd/disablelog.sh"
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"/etc/raspap/hostapd/servicestart.sh"
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"/etc/raspap/lighttpd/configport.sh"
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"/etc/raspap/openvpn/configauth.sh"
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)
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# Check if sudoers needs patching
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if [ $(sudo grep -c $raspap_user /etc/sudoers) -ne ${#cmds[@]} ]
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then
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# Sudoers file has incorrect number of commands. Wiping them out.
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install_log "Cleaning system sudoers file"
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sudo sed -i "/$raspap_user/d" /etc/sudoers
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install_log "Patching system sudoers file"
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# patch /etc/sudoers file
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for cmd in "${cmds[@]}"
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do
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sudo_add $cmd
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IFS=$'\n'
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done
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else
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install_log "Sudoers file already patched"
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fi
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# Add symlink to prevent wpa_cli cmds from breaking with multiple wlan interfaces
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install_log "Symlinked wpa_supplicant hooks for multiple wlan interfaces"
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if [ ! -f /usr/share/dhcpcd/hooks/10-wpa_supplicant ]; then
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sudo ln -s /usr/share/dhcpcd/hooks/10-wpa_supplicant /etc/dhcp/dhclient-enter-hooks.d/
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fi
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# Unmask and enable hostapd.service
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install_log "Unmasking and enabling hostapd service"
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sudo systemctl unmask hostapd.service
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sudo systemctl enable hostapd.service
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}
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# Optimize configuration of php-cgi.
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function optimize_php() {
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install_log "Optimize PHP configuration"
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if [ ! -f "$phpcgiconf" ]; then
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install_warning "PHP configuration could not be found."
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return
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fi
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# Backup php.ini and create symlink for restoring.
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datetimephpconf=$(date +%F-%R)
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sudo cp "$phpcgiconf" "$raspap_dir/backups/php.ini.$datetimephpconf"
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sudo ln -sf "$raspap_dir/backups/php.ini.$datetimephpconf" "$raspap_dir/backups/php.ini"
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echo -n "Enable HttpOnly for session cookies (Recommended)? [Y/n]: "
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if [ "$assume_yes" == 0 ]; then
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read answer < /dev/tty
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if [ "$answer" != "${answer#[Nn]}" ]; then
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echo -e
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else
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php_session_cookie=1;
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fi
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fi
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if [ "$assume_yes" == 1 ] || [ "$php_session_cookie" == 1 ]; then
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echo "Php-cgi enabling session.cookie_httponly."
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sudo sed -i -E 's/^session\.cookie_httponly\s*=\s*(0|([O|o]ff)|([F|f]alse)|([N|n]o))\s*$/session.cookie_httponly = 1/' "$phpcgiconf"
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fi
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|
|
if [ "$php_package" = "php7.1-cgi" ]; then
|
|
echo -n "Enable PHP OPCache (Recommended)? [Y/n]: "
|
|
if [ "$assume_yes" == 0 ]; then
|
|
read answer < /dev/tty
|
|
if [ "$answer" != "${answer#[Nn]}" ]; then
|
|
echo -e
|
|
else
|
|
php_opcache=1;
|
|
fi
|
|
fi
|
|
|
|
if [ "$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 < /dev/tty
|
|
if [ "$answer" != "${answer#[Nn]}" ]; 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
|
|
enable_php_lighttpd
|
|
create_raspap_directories
|
|
optimize_php
|
|
check_for_old_configs
|
|
download_latest_files
|
|
change_file_ownership
|
|
create_hostapd_scripts
|
|
create_lighttpd_scripts
|
|
move_config_file
|
|
default_configuration
|
|
prompt_install_openvpn
|
|
patch_system_files
|
|
install_complete
|
|
}
|