Portable FTP server

This FTP server is written as .NET Standard 2.0 library and has an abstract file system which allows e.g. Google Drive as backend.

License

The library is released under the .

Support the development

Prerequisites

Compilation

• Visual Studio 2022 / C# 8.0

Using

• Visual Studio 2022
• .NET Standard 2.0 (everything except sample application, PAM authentication)
• .NET Core 3.1 (PAM authentication)

NuGet packages

Package name	Description	Badge
FubarDev.FtpServer	Core library
FubarDev.FtpServer.Abstractions	Basic types
FubarDev.FtpServer.FileSystem.DotNet	System.IO-based file system
FubarDev.FtpServer.FileSystem.GoogleDrive	Google Drive as file system
FubarDev.FtpServer.FileSystem.InMemory	In-memory file system
FubarDev.FtpServer.FileSystem.Unix	Unix file system
FubarDev.FtpServer.MembershipProvider.Pam	PAM membership provider

Example FTP server

Creating the project

dotnet new console
dotnet add package FubarDev.FtpServer.FileSystem.DotNet
dotnet add package FubarDev.FtpServer
dotnet add package Microsoft.Extensions.DependencyInjection

Contents of Main in Program.cs

// Setup dependency injection
var services = new ServiceCollection();

// use %TEMP%/TestFtpServer as root folder
services.Configure<DotNetFileSystemOptions>(opt => opt
    .RootPath = Path.Combine(Path.GetTempPath(), "TestFtpServer"));

// Add FTP server services
// DotNetFileSystemProvider = Use the .NET file system functionality
// AnonymousMembershipProvider = allow only anonymous logins
services.AddFtpServer(builder => builder
    .UseDotNetFileSystem() // Use the .NET file system functionality
    .EnableAnonymousAuthentication()); // allow anonymous logins

// Configure the FTP server
services.Configure<FtpServerOptions>(opt => opt.ServerAddress = "127.0.0.1");

// Build the service provider
using (var serviceProvider = services.BuildServiceProvider())
{
    // Initialize the FTP server
    var ftpServerHost = serviceProvider.GetRequiredService<IFtpServerHost>();

    // Start the FTP server
    ftpServerHost.StartAsync(CancellationToken.None).Wait();

    Console.WriteLine("Press ENTER/RETURN to close the test application.");
    Console.ReadLine();

    // Stop the FTP server
    ftpServerHost.StopAsync(CancellationToken.None).Wait();
}