add ftps_manual to ServerBuilder

src/server/ftpserver.rs

@@ -4,6 +4,7 @@ mod listen;
 mod listen_proxied;
 pub mod options;
 
+use rustls::ServerConfig;
 use super::{
     controlchan,
     failed_logins::FailedLoginsCache,
@@ -259,6 +260,22 @@ where
         self
     }
 
+    /// Enables FTPS by configuring the raw FtpsConfig.
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// use libunftp::Server;
+    /// use unftp_sbe_fs::ServerExt;
+    ///
+    /// let server = Server::with_fs("/tmp")
+    ///              .ftps_manual(config);
+    /// ```
+    pub fn ftps_manual<P: Into<PathBuf>>(mut self, config: Arc<ServerConfig>) -> Self {
+        self.ftps_mode = FtpsConfig::On { tls_config: config };
+        self
+    }
+
     /// Allows switching on Mutual TLS. For this to work the trust anchors also needs to be set using
     /// the [ftps_trust_store](crate::ServerBuilder::ftps_trust_store) method.
     ///

src/server/mod.rs

@@ -17,4 +17,5 @@ pub(crate) use controlchan::reply::{Reply, ReplyCode};
 pub(crate) use controlchan::ControlChanMiddleware;
 pub(crate) use controlchan::Event;
 pub(crate) use controlchan::{ControlChanError, ControlChanErrorKind};
+
 use session::{Session, SessionState};

src/server/tls.rs

@@ -143,7 +143,6 @@ fn load_certs<P: AsRef<Path>>(filename: P) -> Result<Vec<CertificateDer<'static>
 }
 
 fn load_private_key<P: AsRef<Path>>(filename: P) -> Result<PrivateKeyDer<'static>, ConfigError> {
-    use rustls::pki_types::PrivateKeyDer;
     use rustls_pemfile::{read_one, Item};
     use std::iter;