92 lines
2.6 KiB
Bash
92 lines
2.6 KiB
Bash
#!/usr/bin/env ash
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# This script provides helper functions for blue-merle
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UNICAST_MAC_GEN () {
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loc_mac_numgen=`python3 -c "import random; print(f'{random.randint(0,2**48) & 0b111111101111111111111111111111111111111111111111:0x}'.zfill(12))"`
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loc_mac_formatted=$(echo "$loc_mac_numgen" | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\)\(..\).*$/\1:\2:\3:\4:\5:\6/')
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echo "$loc_mac_formatted"
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}
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# randomize BSSID
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RESET_BSSIDS () {
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uci set wireless.@wifi-iface[1].macaddr=`UNICAST_MAC_GEN`
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uci set wireless.@wifi-iface[0].macaddr=`UNICAST_MAC_GEN`
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uci commit wireless
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# you need to reset wifi for changes to apply, i.e. executing "wifi"
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}
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# This chaneges the MAC address clients see when connecting to the WiFi spawned by the device.
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# You can check with "arp -a" that your endpoint, e.g. your laptop, sees a different MAC after a reboot of the Mudi.
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RANDOMIZE_MACADDR () {
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uci set network.@device[1].macaddr=`UNICAST_MAC_GEN`
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uci commit network
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# You need to restart the network, i.e. /etc/init.d/network restart
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}
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READ_IMEI () {
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local answer=1
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while [[ "$answer" -eq 1 ]]; do
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local imei=$(gl_modem AT AT+GSN | grep -w -E "[0-9]{14,15}")
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if [[ $? -eq 1 ]]; then
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echo -n "Failed to read IMEI. Try again? (Y/n): "
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read answer
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case $answer in
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n*) answer=0;;
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N*) answer=0;;
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*) answer=1;;
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esac
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if [[ $answer -eq 0 ]]; then
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exit 1
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fi
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else
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answer=0
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fi
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done
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echo $imei
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}
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READ_IMSI () {
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local answer=1
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while [[ "$answer" -eq 1 ]]; do
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local imsi=$(gl_modem AT AT+CIMI | grep -w -E "[0-9]{6,15}")
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if [[ $? -eq 1 ]]; then
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echo -n "Failed to read IMSI. Try again? (Y/n): "
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read answer
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case $answer in
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n*) answer=0;;
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N*) answer=0;;
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*) answer=1;;
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esac
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if [[ $answer -eq 0 ]]; then
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exit 1
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fi
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else
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answer=0
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fi
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done
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echo $imsi
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}
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SET_IMEI() {
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imei="$1"
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if [[ ${#imei} -eq 14 ]]; then
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gl_modem AT AT+EGMR=1,7,${imei}
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else
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echo "IMEI is ${#imei} not 14 characters long"
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fi
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}
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CHECK_ABORT () {
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sim_change_switch=`cat /tmp/sim_change_switch`
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if [[ "$sim_change_switch" = "off" ]]; then
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echo '{ "msg": "SIM change aborted." }' > /dev/ttyS0
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sleep 1
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exit 1
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fi
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}
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