android_device_oneplus_sm81.../wifi-mac-generator/wifi-mac-generator.sh

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#!/vendor/bin/sh
WLAN_MAC_VENDOR_PREFIX="C0EEFB"
WLAN_MAC_PERSIST_PATH="/mnt/vendor/persist/wlan_mac.bin"
function wait_for_file() {
retries=0
while [ ! -f "${1}" ]; do
retries=$((retries + 1))
if [ "${retries}" -eq 10 ]; then
return 1
fi
sleep 1
done
return 0
}
if [[ ! -f "${WLAN_MAC_PERSIST_PATH}" ]] || [[ ! -s "${WLAN_MAC_PERSIST_PATH}" ]]; then
MAC_0_PATH="/data/vendor/oemnvitems/4678_0"
if ! wait_for_file "${MAC_0_PATH}"; then
MAC_0="${WLAN_MAC_VENDOR_PREFIX}`xxd -l 3 -p /dev/urandom | tr '[:lower:]' '[:upper:]'`"
else
MAC_0=`xxd -p "${MAC_0_PATH}" | grep -o '..' | tac | tr -d '\n' | tr '[:lower:]' '[:upper:]'`
fi
MAC_1_PATH="/data/vendor/oemnvitems/4678_1"
if ! wait_for_file "${MAC_1_PATH}"; then
MAC_1="${WLAN_MAC_VENDOR_PREFIX}`xxd -l 3 -p /dev/urandom | tr '[:lower:]' '[:upper:]'`"
else
MAC_1=`xxd -p "${MAC_1_PATH}" | grep -o '..' | tac | tr -d '\n' | tr '[:lower:]' '[:upper:]'`
fi
echo "Intf0MacAddress=${MAC_0}" > "${WLAN_MAC_PERSIST_PATH}"
echo "Intf1MacAddress=${MAC_1}" >> "${WLAN_MAC_PERSIST_PATH}"
echo "Intf2MacAddress=000AF58989FD" >> "${WLAN_MAC_PERSIST_PATH}"
echo "Intf3MacAddress=000AF58989FC" >> "${WLAN_MAC_PERSIST_PATH}"
echo "END" >> "${WLAN_MAC_PERSIST_PATH}"
fi