299 lines
11 KiB
Bash
Executable File
299 lines
11 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, set default home location for lighttpd and
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# php package to install
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webroot_dir="/var/www/html"
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if [ $version -eq 9 ]; then
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version_msg="Raspian 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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version_msg="Raspian 8.0 (Jessie)"
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php_package="php5-cgi"
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else
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version_msg="Raspian earlier than 8.0 (Wheezy)"
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webroot_dir="/var/www"
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php_package="php5-cgi"
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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 lighttpd-enable-mod fastcgi-php
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sudo service lighttpd force-reload
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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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# 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 logging enable/disable files for hostapd
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function create_logging_scripts() {
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install_log "Creating logging scripts"
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sudo mkdir $raspap_dir/hostapd || install_error "Unable to create directory '$raspap_dir/hostapd'"
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# Move existing shell scripts
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sudo mv $webroot_dir/installers/*log.sh $raspap_dir/hostapd || install_error "Unable to move logging scripts"
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}
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# Generate logging enable/disable files for hostapd
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function create_logging_scripts() {
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sudo mkdir /etc/raspap/hostapd
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sudo mv /var/www/html/installers/*log.sh /etc/raspap/hostapd
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}
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# Fetches latest files from github to webroot
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function download_latest_files() {
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if [ -d "$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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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`" "$raspap_dir/backups/rc.local"
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fi
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}
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# Move configuration file to the correct location
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function move_config_file() {
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if [ ! -d "$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 $webroot_dir/config/dhcpcd.conf /etc/dhcpcd.conf || install_error "Unable to move dhcpcd configuration file"
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# Generate required lines for Rasp AP to place into rc.local file.
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# #RASPAP is for removal script
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lines=(
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'echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward #RASPAP'
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'iptables -t nat -A POSTROUTING -j MASQUERADE #RASPAP'
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)
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for line in "${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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}
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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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# 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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sudo ln -s /usr/share/dhcpcd/hooks/10-wpa_supplicant /etc/dhcp/dhclient-enter-hooks.d/
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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-wlan0.conf"
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"/bin/cat /etc/wpa_supplicant/wpa_supplicant-wlan1.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-wlan0.conf"
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"/bin/cp /tmp/wifidata /etc/wpa_supplicant/wpa_supplicant-wlan1.conf"
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"/sbin/wpa_cli -i wlan0 scan_results"
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"/sbin/wpa_cli -i wlan0 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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"/sbin/ip link set wlan0 down"
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"/sbin/ip link set wlan0 up"
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"/sbin/ip -s a f label wlan0"
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"/sbin/ip link set wlan1 down"
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"/sbin/ip link set wlan1 up"
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"/sbin/ip -s a f label wlan1"
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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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)
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# Check if sudoers needs patching
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if [ $(sudo grep -c www-data /etc/sudoers) -ne 28 ]
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then
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# Sudoers file has incorrect number of commands. Wiping them out.
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install_log "Cleaning sudoers file"
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sudo sed -i '/www-data/d' /etc/sudoers
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install_log "Patching system sudoers file"
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# patch /etc/sudoers file
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for cmd in "${cmds[@]}"
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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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}
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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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create_logging_scripts
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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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