mirror of
https://github.com/ChuckBuilds/LEDMatrix.git
synced 2026-04-10 21:03:01 +00:00
125 lines
4.0 KiB
Bash
125 lines
4.0 KiB
Bash
#!/bin/bash
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# LED Matrix Web Interface Sudo Configuration Script
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# This script configures passwordless sudo access for the web interface user
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set -e
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echo "Configuring passwordless sudo access for LED Matrix Web Interface..."
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# Get the current user (should be the user running the web interface)
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WEB_USER=$(whoami)
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PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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echo "Detected web interface user: $WEB_USER"
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echo "Project directory: $PROJECT_DIR"
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# Check if running as root
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if [ "$EUID" -eq 0 ]; then
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echo "Error: This script should not be run as root."
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echo "Run it as the user that will be running the web interface."
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exit 1
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fi
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# Get the full paths to commands
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PYTHON_PATH=$(which python3)
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SYSTEMCTL_PATH=$(which systemctl)
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REBOOT_PATH=$(which reboot)
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POWEROFF_PATH=$(which poweroff)
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BASH_PATH=$(which bash)
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echo "Command paths:"
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echo " Python: $PYTHON_PATH"
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echo " Systemctl: $SYSTEMCTL_PATH"
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echo " Reboot: $REBOOT_PATH"
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echo " Poweroff: $POWEROFF_PATH"
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echo " Bash: $BASH_PATH"
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# Create a temporary sudoers file
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TEMP_SUDOERS="/tmp/ledmatrix_web_sudoers_$$"
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cat > "$TEMP_SUDOERS" << EOF
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# LED Matrix Web Interface passwordless sudo configuration
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# This allows the web interface user to run specific commands without a password
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# Allow $WEB_USER to run specific commands without a password for the LED Matrix web interface
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$WEB_USER ALL=(ALL) NOPASSWD: $REBOOT_PATH
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$WEB_USER ALL=(ALL) NOPASSWD: $POWEROFF_PATH
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH start ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH stop ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH restart ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH enable ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH disable ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $SYSTEMCTL_PATH status ledmatrix.service
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$WEB_USER ALL=(ALL) NOPASSWD: $PYTHON_PATH $PROJECT_DIR/display_controller.py
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$WEB_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_DIR/start_display.sh
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$WEB_USER ALL=(ALL) NOPASSWD: $BASH_PATH $PROJECT_DIR/stop_display.sh
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EOF
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echo ""
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echo "Generated sudoers configuration:"
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echo "--------------------------------"
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cat "$TEMP_SUDOERS"
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echo "--------------------------------"
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echo ""
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echo "This configuration will allow the web interface to:"
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echo "- Start/stop/restart the ledmatrix service"
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echo "- Enable/disable the ledmatrix service"
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echo "- Check service status"
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echo "- Run display_controller.py directly"
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echo "- Execute start_display.sh and stop_display.sh"
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echo "- Reboot and shutdown the system"
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echo ""
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# Ask for confirmation
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read -p "Do you want to apply this configuration? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Configuration cancelled."
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rm -f "$TEMP_SUDOERS"
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exit 0
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fi
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# Apply the configuration using visudo
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echo "Applying sudoers configuration..."
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if sudo cp "$TEMP_SUDOERS" /etc/sudoers.d/ledmatrix_web; then
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echo "Configuration applied successfully!"
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echo ""
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echo "Testing sudo access..."
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# Test a few commands
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if sudo -n systemctl status ledmatrix.service > /dev/null 2>&1; then
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echo "✓ systemctl status ledmatrix.service - OK"
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else
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echo "✗ systemctl status ledmatrix.service - Failed"
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fi
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if sudo -n test -f "$PROJECT_DIR/start_display.sh"; then
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echo "✓ File access test - OK"
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else
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echo "✗ File access test - Failed"
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fi
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echo ""
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echo "Configuration complete! The web interface should now be able to:"
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echo "- Execute system commands without password prompts"
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echo "- Start and stop the LED matrix display"
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echo "- Restart the system if needed"
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echo ""
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echo "You may need to restart the web interface service for changes to take effect:"
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echo " sudo systemctl restart ledmatrix-web.service"
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else
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echo "Error: Failed to apply sudoers configuration."
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echo "You may need to run this script with sudo privileges."
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rm -f "$TEMP_SUDOERS"
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exit 1
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fi
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# Clean up
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rm -f "$TEMP_SUDOERS"
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echo ""
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echo "Configuration script completed successfully!"
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