|
|
#
|
|
|
# Setup Networking
|
|
|
#
|
|
|
|
|
|
# Load utility functions
|
|
|
. ./functions.sh
|
|
|
|
|
|
# Install and setup hostname
|
|
|
install_readonly files/network/hostname "${ETC_DIR}/hostname"
|
|
|
sed -i "s/^RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hostname"
|
|
|
|
|
|
# Install and setup hosts
|
|
|
install_readonly files/network/hosts "${ETC_DIR}/hosts"
|
|
|
sed -i "s/RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hosts"
|
|
|
|
|
|
# Ensure /etc/systemd/network directory is available
|
|
|
mkdir -p "${ETC_DIR}/systemd/network"
|
|
|
|
|
|
# Setup hostname entry with static IP
|
|
|
if [ "$NET_ETH_ADDRESS" != "" ] ; then
|
|
|
NET_IP=$(echo "${NET_ETH_ADDRESS}" | cut -f 1 -d'/')
|
|
|
sed -i "s/^127.0.1.1/${NET_IP}/" "${ETC_DIR}/hosts"
|
|
|
fi
|
|
|
|
|
|
# Remove IPv6 hosts
|
|
|
if [ "$ENABLE_IPV6" = false ] ; then
|
|
|
sed -i -e "/::[1-9]/d" -e "/^$/d" "${ETC_DIR}/hosts"
|
|
|
fi
|
|
|
|
|
|
# Install hint about network configuration
|
|
|
install_readonly files/network/interfaces "${ETC_DIR}/network/interfaces"
|
|
|
|
|
|
# Install configuration for interface eth0
|
|
|
install_readonly files/network/eth0.network "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
|
|
|
if [ "$RPI_MODEL" = 3P ] ; then
|
|
|
printf "\n[Link]\nGenericReceiveOffload=off\nTCPSegmentationOffload=off\nGenericSegmentationOffload=off" >> "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
fi
|
|
|
|
|
|
# Install configuration for interface wl*
|
|
|
install_readonly files/network/wlan0.network "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
|
|
|
#always with dhcp since wpa_supplicant integration is missing
|
|
|
sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
|
|
|
if [ "$ENABLE_ETH_DHCP" = true ] ; then
|
|
|
# Enable DHCP configuration for interface eth0
|
|
|
sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
|
|
|
# Set DHCP configuration to IPv4 only
|
|
|
if [ "$ENABLE_IPV6" = false ] ; then
|
|
|
sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
sed '/IPv6PrivacyExtensions=true/d' "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
fi
|
|
|
|
|
|
else # ENABLE_ETH_DHCP=false
|
|
|
# Set static network configuration for interface eth0
|
|
|
if [ -n NET_ETH_ADDRESS ] && [ -n NET_ETH_GATEWAY ] && [ -n NET_ETH_DNS_1 ] ; then
|
|
|
sed -i\
|
|
|
-e "s|DHCP=.*|DHCP=no|"\
|
|
|
-e "s|Address=\$|Address=${NET_ETH_ADDRESS}|"\
|
|
|
-e "s|Gateway=\$|Gateway=${NET_ETH_GATEWAY}|"\
|
|
|
-e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_ETH_DNS_1}|"\
|
|
|
-e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_ETH_DNS_2}|"\
|
|
|
-e "s|Domains=\$|Domains=${NET_ETH_DNS_DOMAINS}|"\
|
|
|
-e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_ETH_NTP_1}|"\
|
|
|
-e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_ETH_NTP_2}|"\
|
|
|
"${ETC_DIR}/systemd/network/eth0.network"
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
|
|
|
if [ "$ENABLE_WIRELESS" = true ] ; then
|
|
|
mkdir -p "${ETC_DIR}/wpa_supplicant"
|
|
|
if [ "$ENABLE_WIFI_DHCP" = true ] ; then
|
|
|
# Enable DHCP configuration for interface eth0
|
|
|
sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
|
|
|
# Set DHCP configuration to IPv4 only
|
|
|
if [ "$ENABLE_IPV6" = false ] ; then
|
|
|
sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
sed '/IPv6PrivacyExtensions=true/d' "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
fi
|
|
|
|
|
|
else # ENABLE_WIFI_DHCP=false
|
|
|
# Set static network configuration for interface eth0
|
|
|
if [ -n NET_WIFI_ADDRESS ] && [ -n NET_WIFI_GATEWAY ] && [ -n NET_WIFI_DNS_1 ] ; then
|
|
|
sed -i\
|
|
|
-e "s|DHCP=.*|DHCP=no|"\
|
|
|
-e "s|Address=\$|Address=${NET_WIFI_ADDRESS}|"\
|
|
|
-e "s|Gateway=\$|Gateway=${NET_WIFI_GATEWAY}|"\
|
|
|
-e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_WIFI_DNS_1}|"\
|
|
|
-e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_WIFI_DNS_2}|"\
|
|
|
-e "s|Domains=\$|Domains=${NET_WIFI_DNS_DOMAINS}|"\
|
|
|
-e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_WIFI_NTP_1}|"\
|
|
|
-e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_WIFI_NTP_2}|"\
|
|
|
"${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
fi
|
|
|
fi
|
|
|
|
|
|
if [ ! -z "$NET_WIFI_SSID" ] && [ ! -z "$NET_WIFI_PSK" ] ; then
|
|
|
chroot_exec printf "
|
|
|
ctrl_interface=/run/wpa_supplicant
|
|
|
update_config=1
|
|
|
eapol_version=1
|
|
|
ap_scan=1
|
|
|
fast_reauth=1
|
|
|
|
|
|
" > "${ETC_DIR}/wpa_supplicant/wpa_supplicant-wlan0.conf"
|
|
|
|
|
|
#Configure WPA_supplicant
|
|
|
chroot_exec wpa_passphrase "$NET_WIFI_SSID" "$NET_WIFI_PSK" >> "${ETC_DIR}/wpa_supplicant/wpa_supplicant-wlan0.conf"
|
|
|
|
|
|
chroot_exec systemctl enable wpa_supplicant.service
|
|
|
chroot_exec systemctl enable wpa_supplicant@wlan0.service
|
|
|
fi
|
|
|
# Remove empty settings from wlan configuration
|
|
|
sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/wlan0.network"
|
|
|
# If WLAN is enabled copy wlan configuration too
|
|
|
mv -v "${ETC_DIR}/systemd/network/wlan0.network" "${LIB_DIR}/systemd/network/11-wlan0.network"
|
|
|
fi
|
|
|
|
|
|
# Remove empty settings from network configuration
|
|
|
sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/eth0.network"
|
|
|
|
|
|
# Move systemd network configuration if required by Debian release
|
|
|
mv -v "${ETC_DIR}/systemd/network/eth0.network" "${LIB_DIR}/systemd/network/10-eth0.network"
|
|
|
|
|
|
#Clean up
|
|
|
rm -fr "${ETC_DIR}/systemd/network"
|
|
|
|
|
|
# Enable systemd-networkd service
|
|
|
chroot_exec systemctl enable systemd-networkd
|
|
|
|
|
|
# Install host.conf resolver configuration
|
|
|
install_readonly files/network/host.conf "${ETC_DIR}/host.conf"
|
|
|
|
|
|
# Enable network stack hardening
|
|
|
if [ "$ENABLE_HARDNET" = true ] ; then
|
|
|
# Install sysctl.d configuration files
|
|
|
install_readonly files/sysctl.d/82-rpi-net-hardening.conf "${ETC_DIR}/sysctl.d/82-rpi-net-hardening.conf"
|
|
|
|
|
|
# Setup resolver warnings about spoofed addresses
|
|
|
sed -i "s/^# spoof warn/spoof warn/" "${ETC_DIR}/host.conf"
|
|
|
fi
|
|
|
|
|
|
# Enable time sync
|
|
|
if [ "$NET_NTP_1" != "" ] ; then
|
|
|
chroot_exec systemctl enable systemd-timesyncd.service
|
|
|
fi
|
|
|
|
|
|
# Download the firmware binary blob required to use the RPi3 wireless interface
|
|
|
if [ "$ENABLE_WIRELESS" = true ] ; then
|
|
|
if [ ! -d "${WLAN_FIRMWARE_DIR}" ] ; then
|
|
|
mkdir -p "${WLAN_FIRMWARE_DIR}"
|
|
|
fi
|
|
|
|
|
|
# Create temporary directory for firmware binary blob
|
|
|
temp_dir=$(as_nobody mktemp -d)
|
|
|
|
|
|
# Fetch firmware binary blob for RPI3B+ or Pi4
|
|
|
if [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ] ; then
|
|
|
# Fetch firmware binary blob for RPi3P
|
|
|
as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.bin"
|
|
|
as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.txt"
|
|
|
as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.clm_blob" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.clm_blob"
|
|
|
|
|
|
# Move downloaded firmware binary blob
|
|
|
mv "${temp_dir}/brcmfmac43455-sdio."* "${WLAN_FIRMWARE_DIR}/"
|
|
|
|
|
|
# Set permissions of the firmware binary blob
|
|
|
chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
|
|
|
chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
|
|
|
elif [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 0 ] ; then
|
|
|
# Fetch firmware binary blob for RPi3
|
|
|
as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.bin"
|
|
|
as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.txt"
|
|
|
|
|
|
# Move downloaded firmware binary blob
|
|
|
mv "${temp_dir}/brcmfmac43430-sdio."* "${WLAN_FIRMWARE_DIR}/"
|
|
|
|
|
|
# Set permissions of the firmware binary blob
|
|
|
chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
|
|
|
chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
|
|
|
fi
|
|
|
|
|
|
# Remove temporary directory for firmware binary blob
|
|
|
rm -fr "${temp_dir}"
|
|
|
fi
|
|
|
|
