96 lines
3.4 KiB
Bash
Executable File
96 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Source config
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. ../config.txt
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check_eula () {
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if [ ! -f eula_accepted ]; then
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echo "======================================================"
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echo "${bold}TUYA-CONVERT${normal}"
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echo
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echo "https://github.com/ct-Open-Source/tuya-convert"
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echo "TUYA-CONVERT was developed by Michael Steigerwald from the IT security company VTRUST (https://www.vtrust.de/) in collaboration with the techjournalists Merlin Schumacher, Pina Merkert, Andrijan Moecker and Jan Mahn at c't Magazine. (https://www.ct.de/)"
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echo
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echo
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echo "======================================================"
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echo "${bold}PLEASE READ THIS CAREFULLY!${normal}"
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echo "======================================================"
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echo "TUYA-CONVERT creates a fake update server environment for ESP8266/85 based tuya devices. It enables you to backup your devices firmware and upload an alternative one (e.g. ESPEasy, Tasmota, Espurna) without the need to open the device and solder a serial connection (OTA, Over-the-air)."
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echo "Please make sure that you understand the consequences of flashing an alternative firmware, since you might lose functionality!"
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echo
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echo "Flashing an alternative firmware can cause unexpected device behavior and/or render the device unusable. Be aware that you do use this software at YOUR OWN RISK! Please acknowledge that VTRUST and c't Magazine (or Heise Medien GmbH & Co. KG) CAN NOT be held accountable for ANY DAMAGE or LOSS OF FUNCTIONALITY by typing ${bold}yes + Enter${normal}"
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echo
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read
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if [ "$REPLY" != "yes" ]; then
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exit
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fi
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touch eula_accepted
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fi
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}
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check_config () {
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if ! iw list | grep -q "* AP"; then
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echo "AP mode not supported!"
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echo "Please attach a WiFi card that supports AP mode."
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exit 1
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fi
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echo -n "Checking for network interface $WLAN... "
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if [ -e /sys/class/net/$WLAN ]; then
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echo "Found."
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else
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echo "Not found!"
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echo -n "Please edit WLAN in config.txt to one of: "
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ls -m /sys/class/net
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exit 1
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fi
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}
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check_port () {
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protocol="$1"
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port="$2"
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reason="$3"
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echo -n "Checking ${protocol^^} port $port... "
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process_pid=$(sudo ss -Hlnp -A "$protocol" "sport = :$port" | grep -Po "(?<=pid=)(\d+)" | head -n1)
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if [ -n "$process_pid" ]; then
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process_name=$(ps -p "$process_pid" -o comm=)
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echo "Occupied by $process_name with PID $process_pid."
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echo "Port $port is needed to $reason"
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read -p "Do you wish to terminate $process_name? [y/N] " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Aborting due to occupied port"
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exit 1
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else
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service=$(ps -p "$process_pid" -o unit= | grep .service | grep -Ev ^user)
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if [ -n "$service" ]; then
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echo "Attempting to stop $service"
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sudo systemctl stop "$service"
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else
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echo "Attempting to terminate $process_name"
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sudo kill "$process_pid"
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if ! sudo timeout 10 tail --pid="$process_pid" -f /dev/null; then
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echo "$process_name is still running after 10 seconds, sending SIGKILL"
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sudo kill -9 "$process_pid"
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sudo tail --pid="$process_pid" -f /dev/null
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fi
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fi
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sleep 1
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fi
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else
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echo "Available."
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fi
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}
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check_eula
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check_config
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check_port udp 53 "resolve DNS queries"
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check_port udp 67 "offer DHCP leases"
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check_port tcp 80 "answer HTTP requests"
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check_port tcp 443 "answer HTTPS requests"
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check_port udp 6666 "detect unencrypted Tuya firmware"
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check_port udp 6667 "detect encrypted Tuya firmware"
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check_port tcp 1883 "run MQTT"
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check_port tcp 8886 "run MQTTS"
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