(feat): Adds API to allow s2n-quic to check for resumption

bindings/rust/s2n-tls/src/connection.rs

@@ -914,6 +914,11 @@ impl Connection {
         }?;
         Ok(self)
     }
+
+    /// Allows the quic library to check if session tickets are expected
+    pub fn are_session_tickets_enabled(&self) -> bool {
+        unsafe { s2n_connection_are_session_tickets_enabled(self.connection.as_ptr()) }
+    }
 }
 
 impl AsRef<Connection> for Connection {

tls/s2n_quic_support.c

@@ -54,6 +54,11 @@ bool s2n_connection_is_quic_enabled(struct s2n_connection *conn)
     return (conn && conn->quic_enabled) || (conn && conn->config && conn->config->quic_enabled);
 }
 
+bool s2n_connection_are_session_tickets_enabled(struct s2n_connection *conn)
+{
+    return conn && conn->config && conn->config->use_tickets;
+}
+
 int s2n_connection_set_quic_transport_parameters(struct s2n_connection *conn,
         const uint8_t *data_buffer, uint16_t data_len)
 {

tls/s2n_quic_support.h

@@ -32,6 +32,7 @@
 S2N_API int s2n_config_enable_quic(struct s2n_config *config);
 S2N_API int s2n_connection_enable_quic(struct s2n_connection *conn);
 S2N_API bool s2n_connection_is_quic_enabled(struct s2n_connection *conn);
+S2N_API bool s2n_connection_are_session_tickets_enabled(struct s2n_connection *conn);
 
 /*
  * Set the data to be sent in the quic_transport_parameters extension.