mirror of
https://github.com/srlabs/blue-merle.git
synced 2024-06-16 09:22:33 +00:00
144 lines
3.1 KiB
Bash
144 lines
3.1 KiB
Bash
#!/bin/sh
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. /lib/blue-merle/functions.sh
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if [ ! -c "/dev/ttyUSB3" ]; then
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echo "Error: /dev/ttyUSB3 does not exist."
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echo "Please reboot and contact the maintainer if the problem persists."
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exit 1;
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fi
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echo -n "Swap SIM card and update IMEI? (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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echo "Disabling the ME from both transmitting and receiving RF signals..."
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old_imei=$(READ_IMEI)
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old_imsi=$(READ_IMSI)
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answer=1
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while [[ "$answer" -eq 1 ]]; do
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gl_modem AT AT+CFUN=4 | grep -q OK
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if [[ $? -eq 1 ]]; then
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echo -n "...failed. 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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## We have just disabled the modem so it should not log on to any network.
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## We set a random IMEI now only to have it overwritten very soon after
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## the SIM card has been replaced. We intend to prevent an accidential
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## leak of the new SIM's IMSI with the old IMEI just in case the modem
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## accidentally tried to log in to the network.
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python3 /lib/blue-merle/imei_generate.py -r
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echo -n "Please now replace the SIM card and press any key to continue. "
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read answer
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leak=0
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until gl_modem AT AT+CFUN=0 | grep -q OK
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do
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sleep 1
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echo "CFUN=0 failed. Trying again."
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done
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until gl_modem AT AT+CFUN=4 | grep -q OK
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do
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leak=1
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echo "CFUN=4 failed. Trying again."
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done
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if [[ $leak -eq 1 ]]; then
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echo
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echo "WARNING: Reset took longer than expected."
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echo
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fi
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sleep 1
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new_imsi=$(READ_IMSI)
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if [[ "$old_imsi" == "$new_imsi" ]]; then
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echo
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echo "WARNING: Old IMSI equals new IMSI."
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echo
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fi
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echo -n "Would you like to set a random (r) or deterministic (d) IMEI? (R/d): "
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read answer
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case $answer in
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d*) answer=0;;
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D*) answer=0;;
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*) answer=1;;
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esac
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if [[ "$answer" -eq 1 ]]; then
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python3 /lib/blue-merle/imei_generate.py -r
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else
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python3 /lib/blue-merle/imei_generate.py -d
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fi
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new_imei=$(READ_IMEI)
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if [[ "$old_imei" == "$new_imei" ]]; then
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echo
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echo "WARNING: Old IMEI equals new IMEI."
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echo
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else
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mkdir -p /tmp/modem.1-1.2
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echo "$new_imei" > /tmp/modem.1-1.2/modem-imei
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fi
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echo "You should now reset the modem or shutdown the device."
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echo "For extra privacy, you should shutdown the device and change your location."
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echo
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echo -n "Would you like to shutdown the device (s) or reset the modem (m)? (S/m): "
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read answer
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case $answer in
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m*) answer=0;;
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M*) answer=0;;
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*) answer=1;;
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esac
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if [[ "$answer" -eq 1 ]]; then
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echo '{ "msg": "Shutting down..." }' > /dev/ttyS0
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echo '{ "poweroff": "1" }' > /dev/ttyS0
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else
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echo "Resetting modem..."
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until gl_modem AT AT+QPOWD | grep -q OK
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do
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echo "Resetting modem failed. Trying again."
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sleep 1
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done
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time_start=$(date +%s)
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until imsi=$(gl_modem AT AT+CIMI | grep -w -E "[0-9]{6,15}")
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do
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time_now=$(date +%s)
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echo -ne "Waiting for reset to complete. ($(($time_now-$time_start))s/30s)\r"
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sleep 1
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done
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echo
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echo "FIN"
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fi
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