#!/bin/sh

if ! /bin/grep -q '^Revisions*:s*[ 123][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]0[dD][0-9a-fA-F]$' /proc/cpuinfo ; then
        exit 0
fi

if /bin/grep -q "^country=[A-Z][A-Z]" /etc/wpa_supplicant/wpa_supplicant.conf; then
        exit 0
fi

if [ ! -x "/usr/sbin/rfkill" ]; then
        echo "rfkill not installed"
        exit 1
fi
mkdir -p "/var/lib/systemd/rfkill"

address="$(/bin/grep -m 1 /mmc /proc/iomem | /usr/bin/cut -f1 -d-)"
if [ -z "$address" ]; then
        echo "Could not determine WiFi iomem address"
        exit 1
fi
persist_file="/var/lib/systemd/rfkill/platform-$address.mmc:wlan"

/bin/echo 1 > "$persist_file"
/usr/bin/touch /run/wifi-country-unset
/bin/echo "Wi-Fi is disabled because the country is not set"