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hotspot_ynh/scripts/install
2021-09-20 18:01:28 +02:00

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Bash

#!/bin/bash
# Wifi Hotspot app for YunoHost
# Copyright (C) 2015 Julien Vaubourg <julien@vaubourg.com>
# Contribute at https://github.com/labriqueinternet/hotspot_ynh
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
ynh_clean_setup () {
ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
wifi_ssid=$YNH_APP_ARG_WIFI_SSID
wifi_passphrase=$YNH_APP_ARG_WIFI_PASSPHRASE
firmware_nonfree=$YNH_APP_ARG_FIRMWARE_NONFREE
app=$YNH_APP_INSTANCE_NAME
# the service name must match the service template files
service_name='ynh-hotspot'
#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..."
final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
if [ $firmware_nonfree = "no" ]; then
firmware_nonfree=0
elif [ $firmware_nonfree = "yes" ]; then
firmware_nonfree=1
fi
# Check arguments
if [[ -z $wifi_ssid || -z $wifi_passphrase ]]; then
ynh_die --message="Your Wifi Hotspot needs a name and a password"
fi
# Check passphrase length
wifi_passphrase_length="$(echo -n "${wifi_passphrase}" | wc -c)"
if [[ $wifi_passphrase_length -lt 8 || $wifi_passphrase_length -gt 63 ]]; then
ynh_die --message="Your password must from 8 to 63 characters (WPA2 passphrase)"
fi
# Check no special characters are present in the passphrase
if [[ $wifi_passphrase =~ [^[:print:]] ]]; then
ynh_die --message="Only printable ASCII characters are permitted in your password (WPA2 passphrase)"
fi
#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."
ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=wifi_ssid --value="$wifi_ssid"
ynh_app_setting_set --app=$app --key=wifi_passphrase --value="$wifi_passphrase"
ynh_app_setting_set --app=$app --key=firmware_nonfree --value="$firmware_nonfree"
ynh_app_setting_set --app=$app --key=service_name --value=$service_name
#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring firewall..."
# Update firewall for DHCP
ynh_exec_warn_less yunohost firewall allow --no-upnp --ipv6 UDP 547
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP 67
#=================================================
# INSTALL NONFREE FIRWARE IF REQUESTED
#=================================================
ynh_script_progression --message="Installing firmware..."
export DEBIAN_FRONTEND=noninteractive
# Packaged USB Wireless Device firmwares
# Based on https://wiki.debian.org/WiFi#USB_Devices
if [[ $firmware_nonfree -eq 1 ]]; then
check_armbian_nonfree_conflict
ynh_install_extra_app_dependencies --repo="deb http://deb.debian.org/debian $(ynh_get_debian_release) non-free" --package="$nonfree_firmware_packages"
else
pkg_dependencies="$pkg_dependencies $free_firmware_packages"
fi
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."
ynh_install_app_dependencies $pkg_dependencies
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..."
# Create a system user
ynh_system_user_create --username=$app
# Ensure the system user has enough sudo permissions
install -b -o root -g root -m 0440 ../conf/sudoers.conf /etc/sudoers.d/${app}_ynh
ynh_replace_string --match_string="__HOTSPOT_SYSUSER__" --replace_string="${app}" --target_file="/etc/sudoers.d/${app}_ynh"
#=================================================
# INSTALL CUSTOM SCRIPTS
#=================================================
ynh_script_progression --message="Installing custom script..."
install -o root -g root -m 0755 ../conf/iw_multissid /usr/local/bin/
install -o root -g root -m 0755 ../conf/iw_devices /usr/local/bin/
install -o root -g root -m 0755 ../conf/iw_ssids /usr/local/bin/
install -o root -g root -m 0755 ../conf/ipv6_expanded /usr/local/bin/
install -o root -g root -m 0755 ../conf/ipv6_compressed /usr/local/bin/
if [[ ! -v ip6_net ]]; then # if ip6_net not set
ip6_net=none
ip6_addr=none
if [[ -e /tmp/.ynh-vpnclient-started ]]; then
vpnclient_ip6_net=$(ynh_app_setting_get vpnclient ip6_net 2>&1)
vpnclient_ip6_addr=$(ynh_app_setting_get vpnclient ip6_addr 2>&1)
if [[ $vpnclient_ip6_net =~ :: && $vpnclient_ip6_addr =~ :: ]]; then
ip6_net=${vpnclient_ip6_net}
ip6_addr=${vpnclient_ip6_addr}
fi
fi
fi
hot_reload_usb_wifi_cards
wifi_device=$(bash ../conf/iw_devices | awk -F\| '{ print $1 }')
ynh_app_setting_set --app=$app --key=multissid --value=1
ynh_app_setting_set --app=$app --key=ssid_nb --value=1
ynh_app_setting_set --app=$app --key=wifi_ssid --value="${wifi_ssid}"
ynh_app_setting_set --app=$app --key=wifi_secure --value=1
ynh_app_setting_set --app=$app --key=wifi_passphrase --value="${wifi_passphrase}"
ynh_app_setting_set --app=$app --key=wifi_device --value="${wifi_device}"
ynh_app_setting_set --app=$app --key=wifi_channel --value=6
ynh_app_setting_set --app=$app --key=ip6_addr --value="${ip6_addr}"
ynh_app_setting_set --app=$app --key=ip6_firewall --value=1
ynh_app_setting_set --app=$app --key=ip6_net --value="${ip6_net}"
ynh_app_setting_set --app=$app --key=dns --value="2001:913::8,2001:910:800::12,80.67.188.188,80.67.169.12"
ynh_app_setting_set --app=$app --key=ip4_nat_prefix --value=10.0.242
ynh_app_setting_set --app=$app --key=vpnclient --value=no
if [[ -z $wifi_device ]]; then
ynh_app_setting_set --app=$app --key=service_enabled --value=0
wifi_device=none
else
ynh_app_setting_set --app=$app --key=service_enabled --value=1
fi
#=================================================
# COPY CONFIGS
#=================================================
ynh_script_progression --message="Copying configuration..."
mkdir -pm 0755 /etc/dnsmasq.dhcpd/
chown root: /etc/dnsmasq.dhcpd/
install -b -o root -g root -m 0644 ../conf/hostapd.conf.tpl? /etc/hostapd/
install -b -o root -g root -m 0644 ../conf/dnsmasq_dhcpdv6.conf.tpl /etc/dnsmasq.dhcpd/dhcpdv6.conf.tpl
install -b -o root -g root -m 0644 ../conf/dnsmasq_dhcpdv4.conf.tpl /etc/dnsmasq.dhcpd/dhcpdv4.conf.tpl
# Copy init script
install -o root -g root -m 0755 ../conf/$service_name /usr/local/bin/
ynh_replace_string --match_string="__PHPVERSION__" --replace_string="${YNH_PHP_VERSION}" --target_file="/usr/local/bin/$service_name"
#=================================================
# COPY WEB SOURCES
#=================================================
ynh_script_progression --message="Setting up source files..."
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
mkdir -pm 0755 $final_path
cp -a ../sources/* ${final_path}/
chmod 750 "$final_path"
chmod o-rwx "$final_path"
chown -R $app:www-data "$final_path"
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."
# Create a dedicated NGINX config
ynh_add_nginx_config
#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..."
# Create a dedicated PHP-FPM config
ynh_add_fpm_config
#=================================================
# CONFIGURE HOSTAPD
#=================================================
ynh_script_progression --message="Configuring hostapd..."
## hostapd
ynh_replace_string --match_string="^DAEMON_CONF=$" --replace_string="&/etc/hostapd/hostapd.conf" --target_file=/etc/init.d/hostapd
# We also need to put this in /etc/default/hostapd because on some setup
# like RPi, the version of hostapd is different and /etc/init.d/hostapd
# isnt used ... instead the service is "pure systemd" ...
echo "DAEMON_CONF=/etc/hostapd/hostapd.conf" > /etc/default/hostapd
# Apply configuration
ynh_add_config --template="config.php.tpl" --destination="$final_path/config.php"
chown $app:$app "$final_path/config.php"
# Set default inits
# The boot order of these services are important, so they are disabled by default
# and the ynh-hotspot service handles them.
systemctl disable hostapd --quiet
systemctl stop hostapd
systemctl unmask hostapd # On some system e.g. RPi, for some reason hostapd is masked after install ...
#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
ynh_script_progression --message="Storing the config file checksum..."
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="/etc/init.d/hostapd"
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..."
# Create a dedicated systemd config
ynh_add_systemd_config --service=$service_name
# Remove IPv6 address set if there is a VPN installed
if [[ $ip6_addr != none ]]; then
if ip -6 address show dev tun0 2> /dev/null | grep -q "${ip6_addr}/"; then
ip address delete "${ip6_addr}/128" dev tun0 &> /dev/null
fi
fi
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."
yunohost service add $service_name --description "Creates a Wi-Fi access point" --test_status "systemctl is-active hostapd"
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."
# Start a systemd service if device is present
if [[ $wifi_device == none ]]; then
echo "WARNING: Wifi Hotspot is not started because no wifi device was found (please, check the web admin)" >&2
else
ynh_systemd_action --service_name=$service_name --action="start" --log_path=systemd #--line_match="Started YunoHost Wifi Hotspot"
fi
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Installation of $app completed"