libunftp - The FTPS library

libunftp is a Rust crate that you can use to build your own FTPS server with. You can extend it with your own storage back-ends or authentication back-ends.

It runs on top of the Tokio asynchronous run-time and tries to make use of Async IO as much as possible.

Feature highlights:

• 39 Supported FTP commands and growing
• Ability to implement own storage back-ends
• Ability to implement own authentication back-ends
• Explicit FTPS (TLS)
• Mutual TLS (Client certificates)
• TLS session resumption
• Prometheus integration
• Structured Logging
• Proxy Protocol support
• Automatic session timeouts
• Per user IP allow lists

Known storage back-ends:

• unftp-sbe-fs - Stores files on the local filesystem
• unftp-sbe-gcs - Stores files in Google Cloud Storage
• unftp-sbe-rooter - Wraps another storage back-end in order to root a user to a specific home directory.
• unftp-sbe-restrict - Wraps another storage back-end in order to restrict the FTP operations a user can do i.e. provide authorization.

Known authentication back-ends:

• unftp-auth-jsonfile - Authenticates against JSON text.
• unftp-auth-pam - Authenticates via PAM.
• unftp-auth-rest - Consumes an HTTP API to authenticate.

See the github page or the API Documentation for more details.