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91 lines
3 KiB
Django/Jinja
Executable file
91 lines
3 KiB
Django/Jinja
Executable file
#!/bin/bash
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IFACE={{ discovered_wireless_iface }}
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RASPBIAN=0
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NETPLAN=0
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SSID="NA"
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# when we get here br0 should be available and dbus wpa_supplicant was started if enabled. None
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# of the backends that use wpa_supplicant should be active yet based on the Before= After= lines
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# in the iiab-wifi-test.service unit file.
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# covers systemd-networkd
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if [ -f /etc/wpa_supplicant/wpa_supplicant-$IFACE.conf ]; then
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SSID=`grep ssid /etc/wpa_supplicant/wpa_supplicant-$IFACE.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
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fi
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# covers raspbian
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if [ -f /etc/wpa_supplicant/wpa_supplicant.conf ]; then
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RASPBIAN=1
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if /usr/sbin/rfkill list wifi | grep -q "Soft blocked: yes" ; then
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echo "unblocking WiFi"
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rfkill unblock wifi
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fi
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SSID=`grep ssid /etc/wpa_supplicant/wpa_supplicant.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
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fi
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# covers netplan's bugs workaround
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# https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1862760
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# https://bugs.launchpad.net/netplan/+bug/1951586
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# WiFi country code progress on arm64 OS's discussed on #3078
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if [ -f /run/netplan/wpa-$IFACE.conf ]; then
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NETPLAN=1
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SSID=`grep ssid /run/netplan/wpa-$IFACE.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
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echo "cover netplan lack of country="
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sed -i 's|ctrl_interface=/run/wpa_supplicant|&\ncountry=US|' /run/netplan/wpa-$IFACE.conf
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fi
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# IIAB hint for NetworkManager
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# could scrape /etc/NetworkManager/system-connections/ looking for ssid
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if [ -f /etc/iiab/iiab.env ]; then
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source /etc/iiab/iiab.env
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if [ ! -z $CLIENT_SSID ]; then
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SSID=$CLIENT_SSID
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fi
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fi
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echo "ssid is $SSID"
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if [[ $SSID == "" ]] || [[ $SSID == "NA" ]]; then
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echo "Couldn't find ssid $SSID to use exiting"
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if [ $NETPLAN -eq 1 ]; then
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echo "Netplan1"
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fi
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exit 0
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fi
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wpa_cli -i $IFACE scan > /dev/null
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sleep 2
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FREQ=`wpa_cli -i $IFACE scan_results | grep $SSID | awk '{print $2}'`
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for result in $FREQ; do
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echo "frequency is $result for $SSID"
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if [ $result -lt 2485 ] && [ $result -gt 2407 ]; then
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FREQ2=$result
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break
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else
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echo "channel $result is 5Ghz - ignoring"
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fi
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done
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echo "Using $FREQ2 for $SSID"
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if [[ $FREQ2 == "" ]]; then
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echo "Couldn't find frequency to use exiting"
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if [ $NETPLAN -eq 1 ]; then
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echo "Netplan2"
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fi
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exit 0
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fi
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# ubuntu on boot exits at this point timing - issue with wpa_cli and scanning
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CHAN=$(($FREQ2 - 2407 ))
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CHAN=$(($CHAN / 5 ))
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echo "channel is $CHAN for $SSID"
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HOSTAPD=`grep channel /etc/hostapd/hostapd.conf | awk -F = '{print $2}'`
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echo "Hostapd set for $HOSTAPD"
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if [ $CHAN -ne $HOSTAPD ]; then
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echo "Editing Hostapd for channel $CHAN"
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cp /etc/hostapd/hostapd.conf.iiab /etc/hostapd/hostapd.conf
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sed -i -e "s/^channel.*/channel=$CHAN/" /etc/hostapd/hostapd.conf
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fi
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systemctl stop wpa_supplicant
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systemctl stop hostapd
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systemctl start hostapd
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systemctl start wpa_supplicant
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if [ $NETPLAN -eq 1 ]; then
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echo "Netplan3"
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# This is more of a netplan workaround should go away.
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systemctl restart netplan-wpa-$IFACE.service
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fi
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exit 0
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