mirror of
https://github.com/YunoHost-Apps/hotspot_ynh.git
synced 2024-09-03 19:25:53 +02:00
250 lines
9.3 KiB
Bash
250 lines
9.3 KiB
Bash
#!/bin/bash
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#=================================================
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# GENERIC START
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#=================================================
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# IMPORT GENERIC HELPERS
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#=================================================
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source _common.sh
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source /usr/share/yunohost/helpers
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#=================================================
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# MANAGE SCRIPT FAILURE
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#=================================================
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ynh_clean_setup () {
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ynh_clean_check_starting
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}
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# Exit if an error occurs during the execution of the script
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ynh_abort_if_errors
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#=================================================
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# RETRIEVE ARGUMENTS FROM THE MANIFEST
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#=================================================
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wifi_ssid=$YNH_APP_ARG_WIFI_SSID
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wifi_passphrase=$YNH_APP_ARG_WIFI_PASSPHRASE
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firmware_nonfree=$YNH_APP_ARG_FIRMWARE_NONFREE
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app=$YNH_APP_INSTANCE_NAME
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# the service name must match the service template files
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service_name=ynh-$app
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#=================================================
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# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
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#=================================================
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ynh_script_progression --message="Validating installation parameters..."
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# Check arguments
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if [[ -z $wifi_ssid ]] || [[ -z $wifi_passphrase ]]; then
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ynh_die --message="Your Wifi Hotspot needs a name and a password"
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fi
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# Check passphrase length
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wifi_passphrase_length="$(wc -c <<< "${wifi_passphrase}")"
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if [[ $wifi_passphrase_length -lt 8 ]] || [[ $wifi_passphrase_length -gt 63 ]]; then
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ynh_die --message="Your password must from 8 to 63 characters (WPA2 passphrase)"
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fi
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# Check no special characters are present in the passphrase
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if [[ $wifi_passphrase =~ [^[:print:]] ]]; then
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ynh_die --message="Only printable ASCII characters are permitted in your password (WPA2 passphrase)"
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fi
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#=================================================
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# STORE SETTINGS FROM MANIFEST
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#=================================================
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ynh_script_progression --message="Storing installation settings..."
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ynh_app_setting_set --app=$app --key=wifi_ssid --value="$wifi_ssid"
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ynh_app_setting_set --app=$app --key=wifi_passphrase --value="$wifi_passphrase"
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ynh_app_setting_set --app=$app --key=firmware_nonfree --value="$firmware_nonfree"
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ynh_app_setting_set --app=$app --key=service_name --value=$service_name
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#=================================================
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# STANDARD MODIFICATIONS
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#=================================================
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# FIND AND OPEN A PORT
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#=================================================
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ynh_script_progression --message="Configuring firewall..."
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# Update firewall for DHCP
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ynh_exec_warn_less yunohost firewall allow --no-upnp --ipv6 UDP 547
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ynh_exec_warn_less yunohost firewall allow --no-upnp UDP 67
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# Meh idk where to put this ... On RPi, by default wlan is blocked
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if test -e /usr/sbin/rfkill && rfkill | grep wlan | grep -q -w 'blocked'
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then
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ynh_print_info "Unblocking wlan interface..."
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/usr/sbin/rfkill unblock wlan
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fi
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#=================================================
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# INSTALL NONFREE FIRWARE IF REQUESTED
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#=================================================
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ynh_script_progression --message="Installing firmware..."
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export DEBIAN_FRONTEND=noninteractive
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# Packaged USB Wireless Device firmwares
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# Based on https://wiki.debian.org/WiFi#USB_Devices
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if [[ $firmware_nonfree -eq 1 ]]; then
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check_armbian_nonfree_conflict
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ynh_install_extra_app_dependencies --repo="deb http://deb.debian.org/debian $(ynh_get_debian_release) non-free" --package="$nonfree_firmware_packages"
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else
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pkg_dependencies="$pkg_dependencies $free_firmware_packages"
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fi
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#=================================================
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# INSTALL DEPENDENCIES
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#=================================================
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ynh_script_progression --message="Installing dependencies..."
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ynh_install_app_dependencies $pkg_dependencies
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#=================================================
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# CREATE DEDICATED USER
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#=================================================
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ynh_script_progression --message="Configuring system user..."
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# Create a system user
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ynh_system_user_create --username=$app
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#=================================================
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# SPECIFIC SETTINGS
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#=================================================
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ynh_script_progression --message="Configuring hotspot..."
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ip6_net=""
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ip6_dns=""
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if [[ ! -v ip6_net ]]; then # if ip6_net not set
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if [[ -e /tmp/.ynh-vpnclient-started ]]; then
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vpnclient_ip6_net=$(ynh_app_setting_get vpnclient ip6_net 2>&1)
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if [[ $vpnclient_ip6_net =~ :: ]]; then
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ip6_net=${vpnclient_ip6_net}
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ip6_dns="${ip6_net}1"
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fi
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fi
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fi
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ip4_nat_prefix_index=${app##*__}
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if [[ "${ip4_nat_prefix_index}" == "${app}" ]]; then
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ip4_nat_prefix_index=0
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fi
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ip4_nat_prefix="10.${ip4_nat_prefix_index}.242"
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ip4_dns="${ip4_nat_prefix}.1"
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hot_reload_usb_wifi_cards
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wifi_device=$(iw_devices | awk -F\| '{ print $1 }')
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wifi_secure=1
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wifi_channel=6
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ynh_app_setting_set --app=$app --key=wifi_ssid --value="${wifi_ssid}"
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ynh_app_setting_set --app=$app --key=wifi_secure --value="${wifi_secure}"
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ynh_app_setting_set --app=$app --key=wifi_passphrase --value="${wifi_passphrase}"
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ynh_app_setting_set --app=$app --key=wifi_device --value="${wifi_device}"
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ynh_app_setting_set --app=$app --key=wifi_channel --value="${wifi_channel}"
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ynh_app_setting_set --app=$app --key=ip6_firewall --value=1
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ynh_app_setting_set --app=$app --key=ip6_dns --value="${ip6_dns}"
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ynh_app_setting_set --app=$app --key=ip6_net --value="${ip6_net}"
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ynh_app_setting_set --app=$app --key=ip4_dns --value="${ip4_dns}"
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ynh_app_setting_set --app=$app --key=ip4_nat_prefix --value="${ip4_nat_prefix}"
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if [[ -z $wifi_device ]]; then
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ynh_app_setting_set --app=$app --key=service_enabled --value=0
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else
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ynh_app_setting_set --app=$app --key=service_enabled --value=1
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fi
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#=================================================
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# COPY CONFIGS
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#=================================================
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ynh_script_progression --message="Copying configuration files..."
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mkdir -pm 0755 /etc/hostapd/$app/
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chown root: /etc/hostapd/$app/
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mkdir -pm 0755 /etc/dnsmasq.$app/
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chown root: /etc/dnsmasq.$app/
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install -b -o root -g root -m 0644 ../conf/hostapd.conf.tpl /etc/hostapd/$app/hostapd.conf.tpl
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install -b -o root -g root -m 0644 ../conf/dnsmasq_dhcpdv6.conf.tpl /etc/dnsmasq.$app/dhcpdv6.conf.tpl
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install -b -o root -g root -m 0644 ../conf/dnsmasq_dhcpdv4.conf.tpl /etc/dnsmasq.$app/dhcpdv4.conf.tpl
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# Copy init script
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ynh_add_config --template="../conf/ynh-hotspot" --destination="/usr/local/bin/$service_name"
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chmod 0755 "/usr/local/bin/$service_name"
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# Copy openvpn scripts
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mkdir -pm 0755 /etc/openvpn/scripts
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mkdir -pm 0755 /etc/openvpn/scripts/route-up.d
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mkdir -pm 0755 /etc/openvpn/scripts/route-down.d
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ynh_add_config --template="../conf/openvpn_90-hotspot" --destination="/etc/openvpn/scripts/route-up.d/90-$service_name"
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ynh_add_config --template="../conf/openvpn_90-hotspot" --destination="/etc/openvpn/scripts/route-down.d/90-$service_name"
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chmod 0755 "/etc/openvpn/scripts/route-up.d/90-${service_name}"
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chmod 0755 "/etc/openvpn/scripts/route-down.d/90-${service_name}"
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#=================================================
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# CONFIGURE HOSTAPD
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#=================================================
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ynh_script_progression --message="Configuring hostapd..."
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# Set default inits
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# The boot order of these services are important, so they are disabled by default
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# and the ynh-hotspot service handles them.
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systemctl disable hostapd --quiet 2>&1
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systemctl stop hostapd 2>&1
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systemctl unmask hostapd 2>&1 # On some system e.g. RPi, for some reason hostapd is masked after install ...
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if [[ -n ${wifi_device} ]]; then
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if [ "${wifi_secure}" -eq 1 ]; then
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sec_comment=""
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else
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sec_comment="#"
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fi
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ynh_add_config --template="/etc/hostapd/$app/hostapd.conf.tpl" --destination="/etc/hostapd/$app/hostapd.conf"
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ynh_add_config --template="/etc/dnsmasq.$app/dhcpdv4.conf.tpl" --destination="/etc/dnsmasq.$app/dhcpdv4.conf"
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if [[ -n "${ip6_net}" ]] && [[ "${ip6_net}" != "none" ]]; then
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ynh_add_config --template="/etc/dnsmasq.$app/dhcpdv6.conf.tpl" --destination="/etc/dnsmasq.$app/dhcpdv6.conf"
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fi
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fi
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#=================================================
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# SETUP SYSTEMD
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#=================================================
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ynh_script_progression --message="Configuring a systemd service..."
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# Create a dedicated systemd config
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ynh_add_systemd_config --service=$service_name
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# Create custom systemd config for hostapd to handle multiple wifi devices
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ynh_add_systemd_config --service="hostapd@$app" --template="../conf/systemd_hostapd.service"
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#=================================================
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# INTEGRATE SERVICE IN YUNOHOST
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#=================================================
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ynh_script_progression --message="Integrating service in YunoHost..."
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yunohost service add $service_name --description "Creates a Wi-Fi access point" --test_status "systemctl is-active hostapd@$app"
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#=================================================
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# START SYSTEMD SERVICE
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#=================================================
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ynh_script_progression --message="Starting a systemd service..."
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# Start a systemd service if device is present
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if [[ $wifi_device == "" ]]; then
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echo "WARNING: Wifi Hotspot is not started because no wifi device was found (please, check the web admin)" >&2
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else
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ynh_systemd_action --service_name=$service_name --action="start" --log_path=systemd #--line_match="Started YunoHost Wifi Hotspot"
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fi
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_script_progression --message="Installation of $app completed"
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