rrh: Rust SSH Implementation

Secure Shell implementation of the RFC4251|RFC4252|RFC4253 in Rust.

Features

• Pure Rust implementation
• Support for both client and server modes
• Asynchronous I/O using Tokio
• State machine-based architecture

Usage

Client Mode

rrh client 192.168.1.100:22

Server Mode

rrh server 0.0.0.0:2222

Building

cargo build --release

Project Structure

• client.rs - SSH client implementation
• server.rs - SSH server implementation
• constants.rs - Protocol constants and message types
• kex.rs - Key exchange algorithm implementation
• message.rs - SSH message formats
• ssh_codec.rs - Binary packet encoding/decoding
• state.rs - SSH protocol state machine
• transport.rs - Low-level transport layer
• error.rs - Error types and handling
• config.rs - Configuration options

Security Considerations

This implementation is intended for educational purposes. For production use, consider established libraries that have undergone security audits.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.