666 lines
20 KiB
Bash
Executable File
666 lines
20 KiB
Bash
Executable File
#!/bin/bash
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# _____ _ _
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# | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
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# | __| _| -_| -_| . | . | | . | . | | -_|
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# |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___|
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#
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# Freedom in the Cloud
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#
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# Wifi functions
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#
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# License
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# =======
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#
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# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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WIFI_CHANNEL=2
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WIFI_INTERFACE=wlan0
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WIFI_TYPE='wpa2-psk'
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WIFI_SSID=
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WIFI_PASSPHRASE=
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WIFI_HOTSPOT='no'
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WIFI_NETWORKS_FILE=~/${PROJECT_NAME}-wifi.cfg
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# repo for atheros AR9271 wifi driver
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ATHEROS_WIFI_REPO="https://github.com/qca/open-ath9k-htc-firmware.git"
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function default_network_config {
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echo '# This file describes the network interfaces available on your system' > /etc/network/interfaces
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echo '# and how to activate them. For more information, see interfaces(5).' >> /etc/network/interfaces
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echo 'source /etc/network/interfaces.d/*' >> /etc/network/interfaces
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}
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# Debian stretch has a problem where the formerly predictable wlan0 and eth0
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# device names get assigned random names. This is a hacky workaround.
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# Also adding net.ifnames=0 to kernel options on bootloader may work.
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function enable_predictable_device_names {
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test_predictable=$(ls -la /etc/udev/rules.d/80-net-setup-link.rules)
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if [[ "$test_predictable" != *"/dev/null" ]]; then
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ln -s /dev/null /etc/udev/rules.d/80-net-setup-link.rules
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update-initramfs -u
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fi
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}
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function wifi_is_running {
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wifi_state=$(wpa_cli status)
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if [[ "$wifi_state" == *"COMPLETED"* ]]; then
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echo "1"
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else
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echo "0"
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fi
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}
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function wifi_static_network_interface {
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NETWORK_IS_STATIC=0
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read_config_param "NETWORK_IS_STATIC"
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if [ ${NETWORK_IS_STATIC} -eq 0 ]; then
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echo '#this line must always be here' > /etc/network/interfaces.d/static
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echo 'iface default inet dhcp' >> /etc/network/interfaces.d/static
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else
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read_config_param "LOCAL_NETWORK_STATIC_IP_ADDRESS"
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read_config_param "ROUTER_IP_ADDRESS"
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{ echo 'iface default inet static';
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echo " address ${LOCAL_NETWORK_STATIC_IP_ADDRESS}";
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echo ' netmask 255.255.255.0';
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echo " gateway ${ROUTER_IP_ADDRESS}"; } > /etc/network/interfaces.d/static
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fi
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}
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function setup_wifi_atheros {
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if [[ $(running_as_root) == "0" ]]; then
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return
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fi
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apt-get -yq install firmware-linux-free
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atheros_drivers_file=drivers/firmware-ath9k-htc.deb
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if [ ! -f $atheros_drivers_file ]; then
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if [ ! -f "$HOME/${PROJECT_NAME}/$atheros_drivers_file" ]; then
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return
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else
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atheros_drivers_file="$HOME/${PROJECT_NAME}/$atheros_drivers_file"
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fi
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else
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atheros_drivers_file=$(pwd)/$atheros_drivers_file
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fi
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dpkg -i "$atheros_drivers_file"
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reset_usb_devices
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update_wifi_adaptors 'wlan'
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if [ "$IFACE" ]; then
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wpa_action "${IFACE}" stop
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wpa_cli -i "${IFACE}" terminate
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#ifconfig $IFACE up
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ifup "$IFACE"
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fi
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}
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function setup_wifi {
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if [[ $SYSTEM_TYPE == "mesh"* ]]; then
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return
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fi
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if [ ! $WIFI_SSID ]; then
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return
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fi
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if [ ${#WIFI_SSID} -lt 2 ]; then
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return
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fi
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if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
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return
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fi
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HOTSPOT='no'
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if [[ $WIFI_HOTSPOT != 'no' ]]; then
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HOTSPOT='yes'
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fi
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if [ -f "$WIFI_NETWORKS_FILE" ]; then
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"${PROJECT_NAME}-wifi" --networks "$WIFI_NETWORKS_FILE"
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mark_complete "${FUNCNAME[0]}"
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return
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fi
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if [[ $WIFI_TYPE != 'none' ]]; then
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if [ ! $WIFI_PASSPHRASE ]; then
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echo $'No wifi passphrase was given'
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return
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fi
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if [ ${#WIFI_PASSPHRASE} -lt 2 ]; then
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echo $'Wifi passphrase was too short'
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return
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fi
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"${PROJECT_NAME}-wifi" -s "$WIFI_SSID" -t "$WIFI_TYPE" -p "$WIFI_PASSPHRASE" --hotspot "$HOTSPOT" --networks "$WIFI_NETWORKS_FILE"
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else
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"${PROJECT_NAME}-wifi" -s "$WIFI_SSID" -t "$WIFI_TYPE" --hotspot "$HOTSPOT" --networks "$WIFI_NETWORKS_FILE"
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fi
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mark_completed "${FUNCNAME[0]}"
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}
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# ath9k_htc driver
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function install_atheros_wifi {
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if [[ $(is_completed "${FUNCNAME[0]}") == "1" ]]; then
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return
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fi
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if [ "$INSTALLING_ON_BBB" != "yes" ]; then
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return
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fi
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if [[ $ENABLE_BATMAN != "yes" ]]; then
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return
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fi
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if [ -d "$INSTALL_DIR/open-ath9k-htc-firmware" ]; then
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return
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fi
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# have drivers already been installed ?
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if [ -f /lib/firmware/htc_9271.fw ]; then
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return
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fi
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apt-get -yq install build-essential cmake git m4 texinfo
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if [ ! -d "$INSTALL_DIR" ]; then
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mkdir -p "$INSTALL_DIR"
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fi
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cd "$INSTALL_DIR" || exit 24678246
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if [ ! -d "$INSTALL_DIR/open-ath9k-htc-firmware" ]; then
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function_check git_clone
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if ! git_clone "$ATHEROS_WIFI_REPO" "$INSTALL_DIR/open-ath9k-htc-firmware"; then
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rm -rf "$INSTALL_DIR/open-ath9k-htc-firmware"
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exit 74283
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fi
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fi
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cd "$INSTALL_DIR/open-ath9k-htc-firmware" || exit 24682468
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git checkout 1.4.0
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if ! make toolchain; then
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rm -rf "$INSTALL_DIR/open-ath9k-htc-firmware"
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exit 24820
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fi
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if ! make firmware; then
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rm -rf "$INSTALL_DIR/open-ath9k-htc-firmware"
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exit 63412
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fi
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if ! cp target_firmware/*.fw /lib/firmware/; then
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exit 74681
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fi
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mark_completed "${FUNCNAME[0]}"
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}
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function update_wifi_adaptors {
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interface_type="$1"
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IFACE=
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IFACE_SECONDARY=
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if [ ! "$interface_type" ]; then
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interface_type='wlan'
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fi
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for i in $(seq 10 -1 0); do
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ifdown --force "${interface_type}${i}" 2> /dev/null
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done
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for i in $(seq 10 -1 0); do
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if grep -q "${interface_type}${i}" /proc/net/dev; then
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if [ ! $IFACE ]; then
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IFACE="wlan${i}"
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else
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IFACE_SECONDARY="${interface_type}${i}"
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return
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fi
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fi
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done
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}
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function wifi_get_psk {
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ssid=$1
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passphrase=$2
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psk=$(wpa_passphrase "$ssid" "$passphrase" | grep 'psk=' | sed -n 2p | awk -F '=' '{print $2}')
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echo "$psk"
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}
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function hotspot_off {
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if [ ! -f /etc/hostapd/hostapd.conf ]; then
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return
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fi
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systemctl stop hostapd
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rm /etc/hostapd/hostapd.conf
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if [ -f /etc/network/interfaces_original_static ]; then
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cp /etc/network/interfaces_original_static /etc/network/interfaces.d/static
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else
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if [ -f /etc/network/interfaces.d/static ]; then
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rm /etc/network/interfaces.d/static
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fi
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fi
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if [ -f /etc/network/interfaces_original_wifi ]; then
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cp /etc/network/interfaces_original_wifi /etc/network/interfaces.d/wifi
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else
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if [ -f /etc/network/interfaces.d/wifi ]; then
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rm /etc/network/interfaces.d/wifi
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fi
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fi
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if [ -f /etc/network/interfaces.d/bridge ]; then
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rm /etc/network/interfaces.d/bridge
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fi
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default_network_config
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wpa_action ${WIFI_INTERFACE} stop
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wpa_cli -i ${WIFI_INTERFACE} terminate
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systemctl restart network-manager
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}
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function hotspot_on {
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if [ ! -f /etc/default/hostapd ]; then
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echo $'/etc/default/hostapd was not found'
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exit 67241
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fi
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if [ ${#WIFI_PASSPHRASE} -lt 8 ]; then
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echo $'Wifi hotspot passphrase is too short'
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exit 25719
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fi
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sed -i 's|#DAEMON_CONF=.*|DAEMON_CONF="/etc/hostapd/hostapd.conf"|g' /etc/default/hostapd
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{ echo '### Wireless network name ###';
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echo "interface=$WIFI_INTERFACE";
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echo '';
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echo '### Set your bridge name ###';
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echo 'bridge=br0';
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echo '';
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echo 'driver=nl80211';
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echo "country_code=UK";
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echo "ssid=$WIFI_SSID";
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echo 'hw_mode=g';
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echo 'channel=6';
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echo 'wpa=2';
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echo "wpa_passphrase=$WIFI_PASSPHRASE";
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echo '';
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echo '## Key management algorithms ##';
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echo 'wpa_key_mgmt=WPA-PSK';
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echo '';
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echo '## Set cipher suites (encryption algorithms) ##';
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echo '## TKIP = Temporal Key Integrity Protocol';
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echo '## CCMP = AES in Counter mode with CBC-MAC';
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echo 'wpa_pairwise=TKIP';
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echo 'rsn_pairwise=CCMP';
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echo '';
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echo '## Shared Key Authentication ##'
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echo 'auth_algs=1';
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echo '';
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echo '## Accept all MAC address ###';
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echo 'macaddr_acl=0'; } > /etc/hostapd/hostapd.conf
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if [ ! -f /etc/network/interfaces_original_static ]; then
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if [ -f /etc/network/interfaces.d/static ]; then
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cp /etc/network/interfaces.d/static /etc/network/interfaces_original_static
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fi
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fi
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if [ ! -f /etc/network/interfaces_original_wifi ]; then
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if [ -f /etc/network/interfaces.d/wifi ]; then
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cp /etc/network/interfaces.d/wifi /etc/network/interfaces_original_wifi
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fi
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fi
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default_network_config
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echo "allow-hotplug $WIFI_INTERFACE" > /etc/network/interfaces.d/wifi
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echo "iface $WIFI_INTERFACE inet manual" >> /etc/network/interfaces.d/wifi
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echo 'allow-hotplug eth0' >> /etc/network/interfaces.d/static
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echo 'iface eth0 inet manual' >> /etc/network/interfaces.d/static
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echo 'iface br0 inet static' >> /etc/network/interfaces.d/bridge
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echo " bridge_ports $WIFI_INTERFACE eth0" >> /etc/network/interfaces.d/bridge
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systemctl restart network-manager
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ifup $WIFI_INTERFACE
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systemctl restart hostapd
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}
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function wifi_store_original_network_settings {
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if [ ! -f /etc/network/interfaces_original ]; then
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if ! grep -q "# wifi enabled" /etc/network/interfaces; then
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cp /etc/network/interfaces /etc/network/interfaces_original
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fi
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fi
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}
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function wifi_original_network_settings {
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remove_config_param "NETWORK_IS_STATIC"
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if [ -f /etc/network/interfaces.d/static ]; then
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rm /etc/network/interfaces.d/static
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fi
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if [ -f /etc/network/interfaces.d/wifi ]; then
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rm /etc/network/interfaces.d/wifi
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fi
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if [ -f /etc/network/interfaces.d/bridge ]; then
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rm /etc/network/interfaces.d/bridge
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fi
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}
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function wifi_wpa2_psk {
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ssid=$1
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passphrase=$2
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wifi_store_original_network_settings
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echo 'allow-hotplug eth0' > /etc/network/interfaces.d/static
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echo 'iface eth0 inet dhcp' >> /etc/network/interfaces.d/static
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echo "allow-hotplug ${WIFI_INTERFACE}" > /etc/network/interfaces.d/wifi
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echo "iface ${WIFI_INTERFACE} inet manual" >> /etc/network/interfaces.d/wifi
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echo " wpa-roam $WIFI_CONFIG" >> /etc/network/interfaces.d/wifi
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wifi_static_network_interface
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wpa_passphrase "$ssid" "$passphrase" > "$WIFI_CONFIG"
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systemctl restart network-manager
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ifup $WIFI_INTERFACE
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}
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function wifi_none {
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ssid=$1
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wifi_store_original_network_settings
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echo 'allow-hotplug eth0' > /etc/network/interfaces.d/static
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echo 'iface eth0 inet dhcp' >> /etc/network/interfaces.d/static
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echo "allow-hotplug ${WIFI_INTERFACE}" > /etc/network/interfaces.d/wifi
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echo "iface ${WIFI_INTERFACE} inet manual" >> /etc/network/interfaces.d/wifi
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echo " wpa-roam $WIFI_CONFIG" >> /etc/network/interfaces.d/wifi
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wifi_static_network_interface
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{ echo 'ctrl_interface=/run/wpa_supplicant';
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echo 'update_config=1';
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echo 'eapol_version=1';
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echo '';
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echo 'network={'; } > "$WIFI_CONFIG"
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if [[ "${ssid}" != $'any' && "${ssid}" != $'all' && "${ssid}" != $'open' ]]; then
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echo " ssid=\"${ssid}\"" >> "$WIFI_CONFIG"
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fi
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echo ' key_mgmt=NONE' >> "$WIFI_CONFIG"
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echo '}' >> "$WIFI_CONFIG"
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systemctl restart network-manager
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ifup $WIFI_INTERFACE
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}
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function networks_from_file {
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if [ ! -f "$WIFI_NETWORKS_FILE" ]; then
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exit 4
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fi
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if [[ $(config_param_exists "WIFI_INTERFACE") == "0" ]]; then
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exit 5
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fi
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read_config_param "WIFI_INTERFACE"
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wifi_store_original_network_settings
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echo 'allow-hotplug eth0' > /etc/network/interfaces.d/static
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echo 'iface eth0 inet dhcp' >> /etc/network/interfaces.d/static
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{ echo "allow-hotplug ${WIFI_INTERFACE}";
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echo "iface ${WIFI_INTERFACE} inet manual";
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echo " wpa-roam $WIFI_CONFIG"; } > /etc/network/interfaces.d/wifi
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wifi_static_network_interface
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# remove wpa_supplicant.conf if it exists
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if [ -f "$WIFI_CONFIG" ]; then
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rm -f "$WIFI_CONFIG"
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fi
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{ echo 'ctrl_interface=/run/wpa_supplicant';
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echo 'update_config=1';
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echo 'eapol_version=1';
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echo ''; } > "$WIFI_CONFIG"
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ctr=0
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while read -r line
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do
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if [ ${#line} -gt 1 ]; then
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if [[ "$line" != '#'* ]]; then
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if [ $ctr -eq 0 ]; then
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WIFI_SSID="$line"
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fi
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if [ $ctr -eq 1 ]; then
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WIFI_TYPE="$line"
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if [[ $WIFI_TYPE == $'none' || $WIFI_TYPE == $'open' ]]; then
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echo 'network={' >> "$WIFI_CONFIG"
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if [[ "${WIFI_SSID}" != $'any' && "${WIFI_SSID}" != $'all' && "${WIFI_SSID}" != $'open' ]]; then
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echo " ssid=\"${WIFI_SSID}\"" >> "$WIFI_CONFIG"
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fi
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echo ' key_mgmt=NONE' >> "$WIFI_CONFIG"
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echo '}' >> "$WIFI_CONFIG"
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ctr=0
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continue
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fi
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fi
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if [ $ctr -eq 2 ]; then
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WIFI_PASSPHRASE="$line"
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wpa_passphrase "$WIFI_SSID" "$WIFI_PASSPHRASE" >> "$WIFI_CONFIG"
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ctr=0
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continue
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fi
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ctr=$((ctr + 1))
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fi
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fi
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done < "$WIFI_NETWORKS_FILE"
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systemctl restart network-manager
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#ifconfig ${WIFI_INTERFACE} up
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ifup $WIFI_INTERFACE
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}
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function wifi_networks_file_header {
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{ echo $'# Add wifi networks as follows:';
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echo '#';
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echo $'# MySSID';
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echo $'# wpa2-psk';
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echo $'# myWifiPassphrase';
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echo '#';
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echo $'# AnotherSSID';
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echo $'# none';
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echo '#'; } > "$WIFI_NETWORKS_FILE"
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}
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function create_networks_interactive {
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remove_config_param "WIFI_INTERFACE"
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update_wifi_adaptors 'wlan'
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if [ ! "$IFACE" ]; then
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# Don't try to configure wifi if there are no adaptors
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return
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|
fi
|
|
|
|
if [ -f "$WIFI_NETWORKS_FILE" ]; then
|
|
rm "$WIFI_NETWORKS_FILE"
|
|
fi
|
|
|
|
# By default connect to any open wifi
|
|
WIFI_SSID=''
|
|
WIFI_TYPE=$'open'
|
|
|
|
wifi_ctr=0
|
|
wifi_networks_done=
|
|
wifi_settings_defined=
|
|
while [ ! $wifi_networks_done ]
|
|
do
|
|
data=$(mktemp 2>/dev/null)
|
|
wifistr=$"\\nTo use this system via wifi (eg. USB dongle) enter the details below, otherwise just select Ok:"
|
|
if [ -f /root/.wifi-only ]; then
|
|
wifistr=$"\\nEnter your wifi login details below."
|
|
fi
|
|
dialog --backtitle $"Freedombone Configuration" \
|
|
--title $"Wifi Settings ${wifi_ctr}" \
|
|
--form "$wifistr" 13 65 4 \
|
|
$"SSID (can be 'any'):" 1 1 "$WIFI_SSID" 1 24 30 30 \
|
|
$"Type (open/wpa2-psk):" 2 1 "$WIFI_TYPE" 2 24 10 10 \
|
|
$"Passphrase:" 3 1 "$WIFI_PASSPHRASE" 3 24 50 50 \
|
|
2> "$data"
|
|
sel=$?
|
|
case $sel in
|
|
1) rm -f "$data"
|
|
return;;
|
|
255) rm -f "$data"
|
|
return;;
|
|
esac
|
|
WIFI_SSID=$(sed -n 1p < "$data")
|
|
WIFI_TYPE=$(sed -n 2p < "$data")
|
|
WIFI_PASSPHRASE=$(sed -n 3p < "$data")
|
|
rm -f "$data"
|
|
|
|
# If the wifi-only indicator is present then wifi details must
|
|
# be specified, otherwise they're optional
|
|
if [ ! -f /root/.wifi-only ]; then
|
|
# if these fields are empty then there are no more wifi networks
|
|
if [ ${#WIFI_SSID} -lt 2 ]; then
|
|
wifi_networks_done='yes'
|
|
continue
|
|
fi
|
|
if [ ${#WIFI_TYPE} -lt 2 ]; then
|
|
wifi_networks_done='yes'
|
|
continue
|
|
fi
|
|
fi
|
|
|
|
if [ ! -f "$WIFI_NETWORKS_FILE" ]; then
|
|
wifi_networks_file_header
|
|
fi
|
|
|
|
# update the wifi networks file
|
|
{ echo '';
|
|
echo "$WIFI_SSID";
|
|
echo "$WIFI_TYPE"; } >> "$WIFI_NETWORKS_FILE"
|
|
if [ ${#WIFI_PASSPHRASE} -gt 1 ]; then
|
|
echo "$WIFI_PASSPHRASE" >> "$WIFI_NETWORKS_FILE"
|
|
fi
|
|
|
|
if [ ${#WIFI_SSID} -gt 1 ]; then
|
|
if [ ${#WIFI_TYPE} -gt 1 ]; then
|
|
if [[ "${WIFI_TYPE}" == $'none' || "${WIFI_TYPE}" == $'open' ]]; then
|
|
write_config_param "WIFI_INTERFACE" "$WIFI_INTERFACE"
|
|
return
|
|
else
|
|
if [ ${#WIFI_PASSPHRASE} -gt 1 ]; then
|
|
write_config_param "WIFI_INTERFACE" "$WIFI_INTERFACE"
|
|
return
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# clear values
|
|
WIFI_SSID=
|
|
WIFI_PASSPHRASE=
|
|
|
|
wifi_ctr=$((wifi_ctr + 1))
|
|
done
|
|
}
|
|
|
|
function disable_wifi {
|
|
if [[ ${1} == 'yes' || ${1} == 'y' ]]; then
|
|
hotspot_off
|
|
|
|
if [ -f /etc/network/interfaces.d/static ]; then
|
|
rm /etc/network/interfaces.d/static
|
|
fi
|
|
if [ -f /etc/network/interfaces.d/wifi ]; then
|
|
rm /etc/network/interfaces.d/wifi
|
|
fi
|
|
if [ -f /etc/network/interfaces.d/bridge ]; then
|
|
rm /etc/network/interfaces.d/bridge
|
|
fi
|
|
|
|
default_network_config
|
|
|
|
remove_config_param "WIFI_INTERFACE"
|
|
wpa_action ${WIFI_INTERFACE} stop
|
|
wpa_cli -i ${WIFI_INTERFACE} terminate
|
|
systemctl restart network-manager
|
|
else
|
|
networks_from_file
|
|
fi
|
|
}
|
|
|
|
function count_wlan {
|
|
# counts the number of wlan devices
|
|
ctr=0
|
|
|
|
for i in $(seq 0 1 10); do
|
|
if grep -q "wlan${i}" /proc/net/dev; then
|
|
ctr=$((ctr + 1))
|
|
fi
|
|
done
|
|
echo $ctr
|
|
}
|
|
|
|
function wifi_exists {
|
|
if grep -q "wlan" /proc/net/dev; then
|
|
echo "1"
|
|
else
|
|
echo "0"
|
|
fi
|
|
}
|
|
|
|
function remove_wifi_startup_script {
|
|
remove_config_param "WIFI_INTERFACE"
|
|
systemd_file=/etc/systemd/system/wifistart.service
|
|
if [ -f $systemd_file ]; then
|
|
systemctl stop wifistart
|
|
systemctl disable wifistart
|
|
rm $systemd_file
|
|
fi
|
|
if [ -f "$HOME/${PROJECT_NAME}-wifi.cfg" ]; then
|
|
rm "$HOME/${PROJECT_NAME}-wifi.cfg"
|
|
fi
|
|
}
|
|
|
|
function create_wifi_startup_script {
|
|
systemd_file=/etc/systemd/system/wifistart.service
|
|
{ echo '[Unit]';
|
|
echo 'Description=WifiStartup (Start wifi networking)';
|
|
echo 'After=syslog.target';
|
|
echo 'After=network.target';
|
|
echo 'After=remote-fs.target';
|
|
echo '';
|
|
echo '[Service]';
|
|
echo 'Type=simple';
|
|
echo 'User=root';
|
|
echo 'Group=root';
|
|
echo 'WorkingDirectory=/root';
|
|
echo "ExecStart=/usr/local/bin/${PROJECT_NAME}-wifi --wait 5 2> /dev/null";
|
|
echo '';
|
|
echo '[Install]';
|
|
echo 'WantedBy=multi-user.target'; } > $systemd_file
|
|
|
|
systemctl enable wifistart
|
|
systemctl daemon-reload
|
|
}
|
|
|
|
function remove_wifi_startup_script {
|
|
systemd_file=/etc/systemd/system/wifistart.service
|
|
if [ -f $systemd_file ]; then
|
|
systemctl disable wifistart
|
|
systemctl daemon-reload
|
|
rm $systemd_file
|
|
fi
|
|
}
|
|
|
|
# NOTE: deliberately no exit 0
|