authenticator: Add optional method to set IntAuth data

diff --git a/src/libcharon/sa/authenticator.h b/src/libcharon/sa/authenticator.h
index cafea503c2bf0cab881cc91e5fac06819b38b9c5..0e05f7435f2e64c3d57d55ab9fccb3fdb792fbcc 100644 (file)
--- a/src/libcharon/sa/authenticator.h
+++ b/src/libcharon/sa/authenticator.h
@@ -168,6 +168,16 @@ struct authenticator_t {
         */
        void (*use_ppk)(authenticator_t *this, chunk_t ppk, bool no_ppk_auth);
 
+       /**
+        * Optional method to set authentication data for IKE_INTERMEDIATE
+        * exchanges.
+        *
+        * Has to be called before the final call to process()/build().
+        *
+        * @param int_auth              concatenated IntAuth_I|R data
+        */
+       void (*set_int_auth)(authenticator_t *this, chunk_t int_auth);
+
        /**
         * Check if the authenticator is capable of mutual authentication.
         *