From e5123d266b07976e3e8e2a42b3f6630e3b680fcb Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Fri, 16 Feb 2018 22:24:34 -0800
Subject: Bind remove and get session callbacks

---
 openssl/src/ssl/mod.rs | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

(limited to 'openssl/src/ssl/mod.rs')

diff --git a/openssl/src/ssl/mod.rs b/openssl/src/ssl/mod.rs
index 2b17641c..98d982bb 100644
--- a/openssl/src/ssl/mod.rs
+++ b/openssl/src/ssl/mod.rs
@@ -1195,6 +1195,58 @@ impl SslContextBuilder {
         }
     }
 
+    /// Sets the callback which is called when sessions are removed from the context.
+    ///
+    /// Sessions can be removed because they have timed out or because they are considered faulty.
+    ///
+    /// This corresponds to [`SSL_CTX_sess_set_remove_cb`].
+    ///
+    /// [`SSL_CTX_sess_set_remove_cb`]: https://www.openssl.org/docs/manmaster/man3/SSL_CTX_sess_set_new_cb.html
+    pub fn set_remove_session_callback<F>(&mut self, callback: F)
+    where
+        F: Fn(&SslContextRef, &SslSessionRef) + 'static + Sync + Send,
+    {
+        unsafe {
+            let callback = Box::new(callback);
+            ffi::SSL_CTX_set_ex_data(
+                self.as_ptr(),
+                get_callback_idx::<F>(),
+                Box::into_raw(callback) as *mut _,
+            );
+            ffi::SSL_CTX_sess_set_remove_cb(
+                self.as_ptr(),
+                Some(callbacks::raw_remove_session::<F>),
+            );
+        }
+    }
+
+    /// Sets the callback which is called when a client proposed to resume a session but it was not
+    /// found in the internal cache.
+    ///
+    /// The callback is passed a reference to the session ID provided by the client. It should
+    /// return the session corresponding to that ID if available. This is only used for servers, not
+    /// clients.
+    ///
+    /// This corresponds to [`SSL_CTX_sess_set_get_cb`].
+    ///
+    /// # Safety
+    ///
+    /// The returned `SslSession` must not be associated with a different `SslContext`.
+    ///
+    /// [`SSL_CTX_sess_set_get_cb`]: https://www.openssl.org/docs/manmaster/man3/SSL_CTX_sess_set_new_cb.html
+    pub unsafe fn set_get_session_callback<F>(&mut self, callback: F)
+    where
+        F: Fn(&mut SslRef, &[u8]) -> Option<SslSession> + 'static + Sync + Send,
+    {
+        let callback = Box::new(callback);
+        ffi::SSL_CTX_set_ex_data(
+            self.as_ptr(),
+            get_callback_idx::<F>(),
+            Box::into_raw(callback) as *mut _,
+        );
+        ffi::SSL_CTX_sess_set_get_cb(self.as_ptr(), Some(callbacks::raw_get_session::<F>));
+    }
+
     /// Sets the session caching mode use for connections made with the context.
     ///
     /// Returns the previous session caching mode.
-- 
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