230 lines
8.7 KiB
Bash
Executable File
230 lines
8.7 KiB
Bash
Executable File
raspap_dir="/etc/raspap"
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raspap_user="www-data"
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version=`sed 's/\..*//' /etc/debian_version`
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# Determine version and set default home location for lighttpd
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if [ $version -ge 8 ]; then
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version_msg="Raspian version 8.0 or later"
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webroot_dir="/var/www/html"
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else
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version_msg="Raspian version earlier than 8.0"
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webroot_dir="/var/www"
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fi
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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 Install: $*\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 Install Error: $*\033[m"
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exit 1
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}
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# Outputs a welcome message
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function display_welcome() {
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raspberry='\033[0;35m'
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green='\033[1;32m'
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echo -e "${raspberry}\n"
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echo -e " 888888ba .d888888 888888ba"
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echo -e " 88 8b d8 88 88 8b"
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echo -e "a88aaaa8P' .d8888b. .d8888b. 88d888b. 88aaaaa88a a88aaaa8P"
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echo -e " 88 8b. 88 88 Y8ooooo. 88 88 88 88 88"
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echo -e " 88 88 88. .88 88 88. .88 88 88 88"
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echo -e " dP dP 88888P8 88888P 88Y888P 88 88 dP"
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echo -e " 88"
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echo -e " dP"
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echo -e "${green}"
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echo -e "The Quick Installer will guide you through a few easy steps\n\n"
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}
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### NOTE: all the below functions are overloadable for system-specific installs
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### NOTE: some of the below functions MUST be overloaded due to system-specific installs
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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 "Lighttpd directory: ${webroot_dir}"
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echo -n "Complete installation with these values? [y/N]: "
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read answer
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if [[ $answer != "y" ]]; 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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# Runs a system software update to make sure we're using all fresh packages
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function update_system_packages() {
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# OVERLOAD THIS
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install_error "No function definition for update_system_packages"
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}
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# Installs additional dependencies using system package manager
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function install_dependencies() {
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# OVERLOAD THIS
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install_error "No function definition for 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 lighty-enable-mod fastcgi-php
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if [ $? -eq 2 ]; then echo already enabled; else install_error "Cannot enable fastcgi-php for lighttpd"; fi
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sudo /etc/init.d/lighttpd restart || install_error "Unable to restart lighttpd"
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}
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# Verifies existence and permissions of RaspAP directory
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function create_raspap_directories() {
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install_log "Creating RaspAP directories"
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if [ -d "$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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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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# 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 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 https://github.com/billz/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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}
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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 '$raspap_dir'"
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sudo mv "$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 mv $webroot_dir/config/default_hostapd /etc/default/hostapd || install_error "Unable to move hostapd defaults file"
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sudo mv $webroot_dir/config/hostapd.conf /etc/hostapd/hostapd.conf || install_error "Unable to move hostapd configuration file"
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sudo mv $webroot_dir/config/dnsmasq.conf /etc/dnsmasq.conf || install_error "Unable to move dnsmasq configuration file"
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sudo mv $webroot_dir/config/dhcpcd.conf /etc/dhcpcd.conf || install_error "Unable to move dhcpcd configuration file"
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sudo mv $webroot_dir/config/rc.local /etc/rc.local || install_error "Unable to move rc.local file"
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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 \"www-data 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 wlan0'
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'/sbin/ifup wlan0'
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'/bin/cat /etc/wpa_supplicant/wpa_supplicant.conf'
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'/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant.conf'
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'/sbin/wpa_cli scan_results'
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'/sbin/wpa_cli scan'
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'/sbin/wpa_cli reconfigure'
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'/bin/cp /tmp/hostapddata /etc/hostapd/hostapd.conf'
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'/etc/init.d/hostapd start'
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'/etc/init.d/hostapd stop'
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'/etc/init.d/dnsmasq start'
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'/etc/init.d/dnsmasq stop'
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'/bin/cp /tmp/dhcpddata /etc/dnsmasq.conf'
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'/sbin/shutdown -h now'
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'/sbin/reboot'
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)
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# Check if sudoers needs patchin
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if [ $(sudo grep -c www-data /etc/sudoers) -ne 15 ]; then
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# Sudoers file has incorrect number of commands. Wiping them out.
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install_log "Cleaning sudoers file"
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sudo sed -i '/www-data/d' /etc/sudoers
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install_log "Patching system sudoers file"
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# patch /etc/sudoers file
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for cmd in "${cmds[@]}"; do
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sudo_add $cmd
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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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}
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function install_complete() {
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install_log "Installation completed!"
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echo -n "The system needs to be rebooted as a final step. Reboot now? [y/N]: "
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read answer
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if [[ $answer != "y" ]]; then
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echo "Installation aborted."
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exit 0
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fi
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sudo shutdown -r now || install_error "Unable to execute shutdown"
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}
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function install_raspap() {
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display_welcome
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config_installation
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update_system_packages
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install_dependencies
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enable_php_lighttpd
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create_raspap_directories
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check_for_old_configs
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download_latest_files
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change_file_ownership
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move_config_file
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default_configuration
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patch_system_files
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install_complete
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}
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