Sharing Files & Devices

Sharing Files and Devices

When conducting RF assessments with RF Swift, you’ll need to exchange files between your host system and containers, as well as connect specialized hardware devices. This guide covers various file sharing methods and device binding techniques for common RF hardware.

File Sharing Between Host and Container

Directory Binding

The most common way to share files is by binding a directory from your host system to a location within the container using the -b parameter with the run command.

Basic Directory Sharing

1. First, create a directory on your host system:

# Create a directory on your host
mkdir -p ~/shared_data

2. Start a container with this directory bound to a location inside the container:

rfswift run -i penthertz/rfswift:telecom -n telecom_analysis -b ~/shared_data:/root/shared

This binds your host’s ~/shared_data directory to /root/shared inside the container.

Multiple Directory Bindings

You can bind multiple directories by separating them with commas:

rfswift run -i penthertz/rfswift:sdr_full -n sdr_project \
  -b ~/captures:/root/captures,~/scripts:/root/scripts,~/reports:/root/reports

Verifying Bindings

The container summary will display all active bindings:

 🧊 Container Summary                                                      
╭────────────────────────────────────────────────────────────────────────────╮
│ Container Name  │ telecom_analysis                                         │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ X Display       │ :0                                                       │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Shell           │ /bin/zsh                                                 │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Privileged Mode │ true                                                     │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Network Mode    │ host                                                     │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Image Name      │ penthertz/rfswift:telecom                                │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Size on Disk    │ 11150.42 MB                                              │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Bindings        │ /tmp/.X11-unix:/tmp/.X11-unix,/dev/bus/usb:/dev/bus/usb, │
│                 │                                                          │
│                 │ /home/user/shared_data:/root/shared                      │
├─────────────────┼──────────────────────────────────────────────────────────┤
│ Extra Hosts     │ pluto.local:192.168.2.1                                  │
╰────────────────────────────────────────────────────────────────────────────╯

Adding Bindings to Existing Containers

If you forgot to bind a directory when creating a container, you can add it later using the bindings command:

rfswift bindings add -c telecom_analysis -s ~/new_data -t /root/new_data

Working with Shared Files

Once your directories are bound, you can access them from within the container:

# Inside the container
cd /root/shared
touch analysis_results.txt
echo "Signal detected at 915MHz" > analysis_results.txt

The file will be immediately available on your host system at ~/shared_data/analysis_results.txt.

Device Binding for RF Hardware

Many RF tools require access to specific hardware devices. RF Swift makes it easy to bind these devices to your containers.

Common RF Device Bindings

Most RF Swift images automatically bind common device paths, but you may need to add specific devices or additional bindings for specialized hardware.

RFID Device Binding

For Proxmark3 and similar RFID tools, you may need to bind specific device paths:

# Default Proxmark3 device
rfswift run -i penthertz/rfswift:rfid -n rfid_scanner -s /dev/ttyACM0:/dev/ttyACM0

# For multiple Proxmark3 devices
rfswift run -i penthertz/rfswift:rfid -n multi_proxmark \
  -s /dev/ttyACM0:/dev/ttyACM0,/dev/ttyACM1:/dev/ttyACM1

Bluetooth Device Binding

For Bluetooth scanning and analysis:

rfswift run -i penthertz/rfswift:bluetooth -n bt_scanner \
  -s /dev/vhci:/dev/vhci \
  -a NET_ADMIN

Specialized Hardware Configuration

Harogic Spectrum Analyzer Setup

Harogic spectrum analyzers require calibration files to function properly. Here’s how to configure a container for use with these devices:

1. Copy Calibration Files

First, copy the calibration files from the provided USB to your host:

# Copy from USB to host
cp -R /media/username/37B6-82D6/CalFile ~/harogic_cal

2. Bind Calibration Directory

When creating your container, bind the calibration directory to the proper location:

rfswift run -i penthertz/rfswift:sdr_light -n harogic_analysis \
  -b ~/harogic_cal:/rftools/analysers/SAStudio4_x86_64_05_23_17_06/bin/CalFile

3. Run SAStudio

Once inside the container, you can run SAStudio with the calibration files properly configured:

# Inside the container
sastudio

Using Harogic with SDR++

To use Harogic devices with SDR++, copy the calibration files to the correct location:

# Inside the container
cp -R /rftools/analysers/SAStudio4_x86_64_05_23_17_06/bin/CalFile /usr/bin

Then launch SDR++:

sdrpp

Best Practices for File Sharing

1. Use Consistent Directory Structures: Create a standardized directory layout for your assessments to make file management easier
2. Organize by Project: Create separate shared directories for different projects or assessments
3. Keep User Data Separate: Use dedicated directories for user data, software configurations, and temporary files
4. Bind Read-Only When Possible: For reference data that shouldn’t be modified, consider mounting as read-only
5. Use Descriptive Container Names: Name containers based on their purpose to easily identify bound directories later

Troubleshooting

Permission Issues

If you experience permission errors when accessing shared directories:

# On the host, ensure proper ownership
sudo chown -R your_username:your_username ~/shared_data

# Or make the directory world-writable (less secure)
chmod -R 777 ~/shared_data

Missing Bindings

If default bindings are missing, you can restore them while adding your custom bindings:

rfswift run -i penthertz/rfswift:sdr_full -n sdr_analysis \
  -b /tmp/.X11-unix:/tmp/.X11-unix,/dev/bus/usb:/dev/bus/usb,~/my_data:/root/my_data

Next Steps

Now that you understand how to share files and devices, you might want to create your own customized images: