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33 lines
1 KiB
Bash
Executable file
33 lines
1 KiB
Bash
Executable file
#!/bin/bash
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IFACE={{ discovered_wireless_iface }}
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SSID=""
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if [ -f /run/netplan/wpa-$IFACE.conf ]; then
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SSID=`grep ssid /run/netplan/wpa-$IFACE.conf | awk -F = '{print $2}' | sed -r s/\"// | sed -r s/\"//`
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fi
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if [ -f /etc/wpa_supplicant/wpa_supplicant.conf ]; then
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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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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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sleep 3
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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 $result found for $SSID"
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if [ $result -lt 2485 ]; then
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FREQ2=$result
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fi
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done
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echo "Using $FREQ2 for $SSID"
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CHAN=$(($FREQ2 - 2407 ))
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CHAN=$(($CHAN / 5 ))
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echo "channel is $CHAN for $SSID"
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cp /etc/hostapd/hostapd.conf.iiab /etc/hostapd/hostapd.conf
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sed -i -e "s/^channel.*/channel=$CHAN/" /etc/hostapd/hostapd.conf
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systemctl reload-daemon
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