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mirror of https://github.com/billz/raspap-webgui.git synced 2023-10-10 13:37:24 +02:00

Refactor configure_networking, create get_linux_distro

This commit is contained in:
billz 2020-03-21 17:31:38 +00:00
parent 15d829c0b1
commit a943942bdd

View File

@ -8,49 +8,16 @@ raspap_dir="/etc/raspap"
raspap_user="www-data"
raspap_sudoers="/etc/sudoers.d/090_raspap"
raspap_dnsmasq="/etc/dnsmasq.d/090_raspap.conf"
raspap_sysctl="/etc/sysctl.d/90_raspap.conf"
raspap_iptables="/etc/raspap.iptables.rules"
webroot_dir="/var/www/html"
git_source_url="https://github.com/$repo" # $repo from install.raspap.com
# Fetch details for various Linux distros
if type lsb_release >/dev/null 2>&1; then # linuxbase.org
OS=$(lsb_release -si)
RELEASE=$(lsb_release -sr)
CODENAME=$(lsb_release -sc)
DESC=$(lsb_release -sd)
elif [ -f /etc/os-release ]; then # freedesktop.org
. /etc/os-release
OS=$ID
RELEASE=$VERSION_ID
CODENAME=$VERSION_CODENAME
DESC=$PRETTY_NAME
else
install_error "Unsupported Linux distribution"
fi
# Set php package option based on Linux release version,
# abort if unsupported distro
case $RELEASE in
"18.04") # Ubuntu 18.04 LTS
php_package="php7.4-cgi"
phpcgiconf="/etc/php/7.4/cgi/php.ini" ;;
"10")
php_package="php7.3-cgi"
phpcgiconf="/etc/php/7.3/cgi/php.ini" ;;
"9")
php_package="php7.0-cgi"
phpcgiconf="/etc/php/7.0/cgi/php.ini" ;;
"8")
install_error "${DESC} and php5 are not supported. Please upgrade." ;;
*)
install_error "${DESC} is unsupported. Please install on a supported distro." ;;
esac
### NOTE: all the below functions are overloadable for system-specific installs
# NOTE: all the below functions are overloadable for system-specific installs
# Prompts user to set options for installation
function config_installation() {
install_log "Configure installation"
get_linux_distro
echo "Detected OS: ${DESC}"
echo "Using GitHub repository: ${repo} ${branch} branch"
echo "Install directory: ${raspap_dir}"
@ -76,14 +43,56 @@ function config_installation() {
fi
}
# Determines host Linux distrubtion details
function get_linux_distro() {
if type lsb_release >/dev/null 2>&1; then # linuxbase.org
OS=$(lsb_release -si)
RELEASE=$(lsb_release -sr)
CODENAME=$(lsb_release -sc)
DESC=$(lsb_release -sd)
elif [ -f /etc/os-release ]; then # freedesktop.org
. /etc/os-release
OS=$ID
RELEASE=$VERSION_ID
CODENAME=$VERSION_CODENAME
DESC=$PRETTY_NAME
else
install_error "Unsupported Linux distribution"
fi
}
# Sets php package option based on Linux release version,
# abort if unsupported distro
function set_php_package() {
case $RELEASE in
"18.04") # Ubuntu 18.04 LTS
php_package="php7.4-cgi"
phpcgiconf="/etc/php/7.4/cgi/php.ini" ;;
"10")
php_package="php7.3-cgi"
phpcgiconf="/etc/php/7.3/cgi/php.ini" ;;
"9")
php_package="php7.0-cgi"
phpcgiconf="/etc/php/7.0/cgi/php.ini" ;;
"8")
install_error "${DESC} and php5 are not supported. Please upgrade." ;;
*)
install_error "${DESC} is unsupported. Please install on a supported distro." ;;
esac
}
# Runs a system software update to make sure we're using all fresh packages
function install_dependencies() {
install_log "Installing required packages"
set_php_package
if [ "$php_package" = "php7.4-cgi" ]; then
echo "Adding apt-repository ppa:ondrej/php"
sudo add-apt-repository ppa:ondrej/php || install_error "Unable to add-apt-repository ppa:ondrej/php"
fi
sudo apt-get install $apt_option lighttpd git hostapd dnsmasq $php_package $dhcpcd_package vnstat qrencode || install_error "Unable to install dependencies"
# Set dconf-set-selections
echo iptables-persistent iptables-persistent/autosave_v4 boolean true | sudo debconf-set-selections
echo iptables-persistent iptables-persistent/autosave_v6 boolean true | sudo debconf-set-selections
sudo apt-get install $apt_option lighttpd git hostapd dnsmasq iptables-persistent $php_package $dhcpcd_package vnstat qrencode || install_error "Unable to install dependencies"
}
# Enables PHP for lighttpd and restarts service for settings to take effect
@ -226,11 +235,6 @@ function check_for_old_configs() {
sudo ln -sf "$raspap_dir/backups/dhcpcd.conf.`date +%F-%R`" "$raspap_dir/backups/dhcpcd.conf"
fi
if [ -f $raspap_sysctl ]; then
sudo cp $raspap_sysctl "$raspap_dir/backups/sysctl.d.`date +%F-%R`"
sudo ln -sf "$raspap_dir/backups/sysctl.d.`date +%F-%R`" "$raspap_dir/backups/sysctl.d"
fi
for file in /etc/systemd/network/raspap-*.net*; do
if [ -f "${file}" ]; then
filename=$(basename $file)
@ -283,30 +287,18 @@ function enable_raspap_daemon() {
sudo systemctl enable raspap.service || install_error "Failed to enable raspap.service"
}
# Configure IP forwarding, IP tables rules and RaspAP daemon
# Configure IP forwarding, set IP tables rules, prompt to install RaspAP daemon
function configure_networking() {
install_log "Configuring networking"
# Enable IP forwarding in /etc/sysctl.d/90_raspap.conf
if [ ! -f $raspap_sysctl ]; then
echo "Enabling IP forwarding"
sudo touch $raspap_sysctl || install_error "Unable to create ${raspap_sysctl}"
echo "net.ipv4.ip_forward = 1" | sudo tee -a $raspap_sysctl || install_error "Unable to append to ${raspap_sysctl}"
sudo sysctl -p $raspap_sysctl || install_error "Unable to load sysctl settings from file"
fi
echo "Enabling IP forwarding"
sudo sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf || install_error "Unable to set IP forwarding"
sudo sysctl -p /etc/sysctl.conf || install_error "Unable to execute sysctl"
echo "Enabling persistent IP tables rules"
if [ ! -f "/etc/iptables.raspap.rules" ]; then
sudo cp "$webroot_dir/installers/iptables.rules" /etc/iptables.raspap.rules || install_error "Unable to move iptables.rules"
fi
if [ ! -f "/etc/systemd/system/iptables.service" ]; then
echo "Enabling iptables.service"
sudo cp "$webroot_dir/installers/iptables.service" /etc/systemd/system/ || install_error "Unable to move iptables.service file"
sudo update-alternatives --set iptables /usr/sbin/iptables-legacy || install_error "Unable to execute update-alternatives"
sudo systemctl daemon-reload
sudo systemctl enable iptables.service || install_error "Failed to enable iptables.service"
sudo systemctl start iptables.service || install_error "Unable to start iptables.service"
fi
echo "Creating IP tables rules"
sudo iptables -t nat -A POSTROUTING -j MASQUERADE || install_error "Unable to execute iptables"
sudo iptables -t nat -A POSTROUTING -s 192.168.50.0/24 ! -d 192.168.50.0/24 -j MASQUERADE || install_error "Unable to execute iptables"
echo "Persisting IP tables rules"
sudo iptables-save | sudo tee $raspap_iptables
# Prompt to install RaspAP daemon
echo -n "Enable RaspAP control service (Recommended)? [Y/n]: "