372 lines
12 KiB
Bash
372 lines
12 KiB
Bash
#!/bin/sh
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# Define paths
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USRDATA_DIR="/usrdata"
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MICROPYTHON_DIR="/usrdata/micropython"
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AT_TELNET_DIR="/usrdata/at-telnet"
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SIMPLE_ADMIN_DIR="/usrdata/simpleadmin"
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TMP_DIR="/tmp"
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GITHUB_URL="https://github.com/iamromulan/quectel-rgmii-simpleadmin-at-telnet-daemon/archive/refs/heads/main.zip"
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# AT Command Script Variables and Functions
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DEVICE_FILE="/dev/smd7"
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TIMEOUT=4 # Set a timeout for the response
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start_listening() {
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cat "$DEVICE_FILE" > /tmp/device_readout &
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CAT_PID=$!
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}
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send_at_command() {
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echo "Enter AT command (or type 'exit' to quit): "
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read at_command
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if [ "$at_command" = "exit" ]; then
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return 1
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fi
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echo -e "${at_command}\r" > "$DEVICE_FILE"
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}
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wait_for_response() {
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local start_time=$(date +%s)
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local current_time
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local elapsed_time
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echo "Command sent, waiting for response..."
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while true; do
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if grep -qe "OK" -e "ERROR" /tmp/device_readout; then
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echo "Response received:"
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cat /tmp/device_readout
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return 0
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fi
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current_time=$(date +%s)
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elapsed_time=$((current_time - start_time))
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if [ "$elapsed_time" -ge "$TIMEOUT" ]; then
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echo "Error: Response timed out."
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return 1
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fi
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sleep 1
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done
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}
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cleanup() {
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kill "$CAT_PID"
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wait "$CAT_PID" 2>/dev/null
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rm -f /tmp/device_readout
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}
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send_at_commands() {
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if [ -c "$DEVICE_FILE" ]; then
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while true; do
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start_listening
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send_at_command
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if [ $? -eq 1 ]; then
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cleanup
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break
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fi
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wait_for_response
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cleanup
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done
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else
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echo "Error: Device $DEVICE_FILE does not exist or is not a character special file."
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fi
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}
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# Check if AT Telnet Daemon is installed
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is_at_telnet_installed() {
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[ -d "$MICROPYTHON_DIR" ] && return 0 || return 1
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[ -d "$AT_TELNET_DIR" ] && return 0 || return 1
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}
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# Check if Simple Admin is installed
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is_simple_admin_installed() {
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[ -d "$SIMPLE_ADMIN_DIR" ] && return 0 || return 1
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}
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# Function to remount file system as read-write
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remount_rw() {
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mount -o remount,rw /
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}
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# Function to remount file system as read-only
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remount_ro() {
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mount -o remount,ro /
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}
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# Function to install/update AT Telnet Daemon
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install_update_at_telnet() {
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remount_rw
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cd $TMP_DIR
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wget $GITHUB_URL -O main.zip
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unzip -o main.zip
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cp -Rf quectel-rgmii-simpleadmin-at-telnet-daemon-main/attelnetdaemon/at-telnet $USRDATA_DIR
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cp -Rf quectel-rgmii-simpleadmin-at-telnet-daemon-main/attelnetdaemon/micropython $USRDATA_DIR
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# Set execute permissions
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chmod +x $MICROPYTHON_DIR/micropython
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chmod +x $AT_TELNET_DIR/modem-multiclient.py
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chmod +x $AT_TELNET_DIR/socat-armel-static
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chmod +x $AT_TELNET_DIR/picocom
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# Copy systemd unit files & reload
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cp -f $AT_TELNET_DIR/systemd_units/*.service /lib/systemd/system
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systemctl daemon-reload
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# Link systemd files
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ln -sf /lib/systemd/system/at-telnet-daemon.service /lib/systemd/system/multi-user.target.wants/
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ln -sf /lib/systemd/system/socat-smd11.service /lib/systemd/system/multi-user.target.wants/
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ln -sf /lib/systemd/system/socat-smd11-to-ttyIN.service /lib/systemd/system/multi-user.target.wants/
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ln -sf /lib/systemd/system/socat-smd11-from-ttyIN.service /lib/systemd/system/multi-user.target.wants/
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# Start Services
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systemctl start socat-smd11
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sleep 2s
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systemctl start socat-smd11-to-ttyIN
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systemctl start socat-smd11-from-ttyIN
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systemctl start at-telnet-daemon
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remount_ro
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}
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# Function to remove AT Telnet Daemon
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remove_at_telnet() {
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remount_rw
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systemctl stop at-telnet-daemon
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systemctl disable at-telnet-daemon
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rm -rf $MICROPYTHON_DIR
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rm -rf $AT_TELNET_DIR
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rm /lib/systemd/system/at-telnet-daemon.service
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rm /lib/systemd/system/socat-smd11.service
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rm /lib/systemd/system/socat-smd11-to-ttyIN.service
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rm /lib/systemd/system/socat-smd11-from-ttyIN.service
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systemctl daemon-reload
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remount_ro
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}
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# Function to install/update Simple Admin
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install_update_simple_admin() {
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remount_rw
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cd $TMP_DIR
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wget $GITHUB_URL -O main.zip
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unzip -o main.zip
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cp -Rf quectel-rgmii-simpleadmin-at-telnet-daemon-main/simpleadmin/ $USRDATA_DIR
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# Set execute permissions
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chmod +x $SIMPLE_ADMIN_DIR/scripts/*
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chmod +x $SIMPLE_ADMIN_DIR/www/cgi-bin/*
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chmod +x $SIMPLE_ADMIN_DIR/ttl/ttl-override
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# Copy systemd unit files & reload
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cp -f $SIMPLE_ADMIN_DIR/systemd/* /lib/systemd/system
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systemctl daemon-reload
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# Link systemd files
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ln -sf /lib/systemd/system/simpleadmin_httpd.service /lib/systemd/system/multi-user.target.wants/
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ln -sf /lib/systemd/system/simpleadmin_generate_status.service /lib/systemd/system/multi-user.target.wants/
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ln -sf /lib/systemd/system/ttl-override.service /lib/systemd/system/multi-user.target.wants/
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# Start Services
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systemctl start simpleadmin_generate_status
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systemctl start simpleadmin_httpd
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systemctl start ttl-override
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remount_ro
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}
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# Function to remove Simple Admin
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remove_simple_admin() {
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remount_rw
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systemctl stop simpleadmin_httpd
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systemctl disable simpleadmin_httpd
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rm -rf $SIMPLE_ADMIN_DIR
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rm /lib/systemd/system/simpleadmin_httpd.service
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rm /lib/systemd/system/simpleadmin_generate_status.service
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rm /lib/systemd/system/ttl-override.service
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systemctl daemon-reload
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remount_ro
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}
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# Function to create systemd service and timer files with the user-specified time
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create_service_and_timer() {
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remount_rw
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# Define the path for the modem reboot script
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MODEM_REBOOT_SCRIPT="$USRDATA_DIR/reboot_modem.sh"
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# Create the modem reboot script
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echo "#!/bin/sh
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/bin/echo -e 'AT+CFUN=1,1 \r' > /dev/smd7" > "$MODEM_REBOOT_SCRIPT"
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# Make the script executable
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chmod +x "$MODEM_REBOOT_SCRIPT"
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# Create the systemd service file for reboot
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echo "[Unit]
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Description=Reboot Modem Daily
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[Service]
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Type=oneshot
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ExecStart=$MODEM_REBOOT_SCRIPT
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Restart=no
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RemainAfterExit=no" > /lib/systemd/system/rebootmodem.service
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# Create the systemd timer file with the user-specified time
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echo "[Unit]
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Description=Starts rebootmodem.service daily at the specified time
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[Timer]
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OnCalendar=*-*-* $user_time:00
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Persistent=false" > /lib/systemd/system/rebootmodem.timer
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# Create a trigger service that starts the timer at boot
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echo "[Unit]
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Description=Trigger the rebootmodem timer at boot
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[Service]
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Type=oneshot
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ExecStart=/bin/systemctl start rebootmodem.timer
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RemainAfterExit=yes" > /lib/systemd/system/rebootmodem-trigger.service
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# Create symbolic links for the trigger service in the wanted directory and give exe perm to service unit
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ln -sf /lib/systemd/system/rebootmodem-trigger.service /lib/systemd/system/multi-user.target.wants/
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# Reload systemd to recognize the new timer and trigger service
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systemctl daemon-reload
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sleep 2s
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# Start the trigger service, which will start the timer
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systemctl start rebootmodem-trigger.service
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remount_ro
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# Confirmation
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echo "Rebootmodem-trigger service created and started successfully."
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echo "Reboot schedule set successfully. The modem will reboot daily at $user_time UTC."
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}
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# Function to manage Daily Reboot Timer
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manage_reboot_timer() {
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# Remount root filesystem as read-write
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mount -o remount,rw /
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# Check if the rebootmodem service, timer, or trigger already exists
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if [ -f /lib/systemd/system/rebootmodem.service ] || [ -f /lib/systemd/system/rebootmodem.timer ] || [ -f /lib/systemd/system/rebootmodem-trigger.service ]; then
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echo "The rebootmodem service/timer/trigger is already installed."
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echo "1) Change"
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echo "2) Remove"
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read -p "Enter your choice (1 for Change, 2 for Remove): " reboot_choice
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case $reboot_choice in
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2)
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# Stop and disable timer and trigger service by removing symlinks
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systemctl stop rebootmodem.timer
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systemctl stop rebootmodem-trigger.service
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# Remove symbolic links and files
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rm -f /lib/systemd/system/multi-user.target.wants/rebootmodem-trigger.service
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rm -f /lib/systemd/system/rebootmodem.service
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rm -f /lib/systemd/system/rebootmodem.timer
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rm -f /lib/systemd/system/rebootmodem-trigger.service
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rm -f "$USRDATA_DIR/reboot_modem.sh"
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# Reload systemd to apply changes
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systemctl daemon-reload
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echo "Rebootmodem service, timer, trigger, and script removed successfully."
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;;
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1)
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printf "Enter the new time for daily reboot (24-hour format in Coordinated Universal Time, HH:MM): "
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read new_time
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# Validate the new time format using grep
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if ! echo "$new_time" | grep -qE '^([01]?[0-9]|2[0-3]):[0-5][0-9]$'; then
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echo "Invalid time format. Exiting."
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exit 1
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else
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# Remove old symlinks and script
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rm -f /lib/systemd/system/multi-user.target.wants/rebootmodem-trigger.service
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rm -f "$USRDATA_DIR/reboot_modem.sh"
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# Set the user time to the new time and recreate the service, timer, trigger, and script
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user_time=$new_time
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create_service_and_timer
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fi
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;;
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*)
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echo "Invalid choice. Exiting."
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exit 1
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;;
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esac
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else
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printf "Enter the time for daily reboot (24-hour format in UTC, HH:MM): "
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read user_time
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# Validate the time format using grep
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if ! echo "$user_time" | grep -qE '^([01]?[0-9]|2[0-3]):[0-5][0-9]$'; then
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echo "Invalid time format. Exiting."
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exit 1
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else
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create_service_and_timer
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fi
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fi
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# Remount root filesystem as read-only
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mount -o remount,ro /
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}
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# Main menu
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while true; do
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echo "Select an option:"
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echo "1) Send AT Commands"
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echo "2) Install/Update or remove AT Telnet Daemon"
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echo "3) Install/Update or remove Simple Admin"
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echo "4) Install/Change or remove Daily Reboot Timer"
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echo "5) Exit"
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read -p "Enter your choice: " choice
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case $choice in
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1)
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send_at_commands
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;;
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2)
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if is_at_telnet_installed; then
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echo "AT Telnet Daemon is already installed."
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echo "1) Update"
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echo "2) Remove"
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read -p "Enter your choice: " at_telnet_choice
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case $at_telnet_choice in
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1) install_update_at_telnet;;
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2) remove_at_telnet;;
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*) echo "Invalid option";;
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esac
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else
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echo "Installing AT Telnet Daemon..."
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install_update_at_telnet
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fi
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;;
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3)
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if is_simple_admin_installed; then
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echo "Simple Admin is already installed."
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echo "1) Update"
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echo "2) Remove"
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read -p "Enter your choice: " simple_admin_choice
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case $simple_admin_choice in
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1) install_update_simple_admin;;
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2) remove_simple_admin;;
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*) echo "Invalid option";;
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esac
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else
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echo "Installing Simple Admin..."
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install_update_simple_admin
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fi
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;;
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4)
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manage_reboot_timer
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;;
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5)
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break
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;;
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*)
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echo "Invalid option"
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;;
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esac
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done
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echo "Exiting script."
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