support handshake retry requests

diff --git a/src/libcharon/plugins/tnccs_20/tnccs_20.c b/src/libcharon/plugins/tnccs_20/tnccs_20.c
index 90cd0c01a3b47a05de05fd15b7dc32706d3d1f71..a92442d9103d5dba4812d5682d3359bf11118fbf 100644 (file)
--- a/src/libcharon/plugins/tnccs_20/tnccs_20.c
+++ b/src/libcharon/plugins/tnccs_20/tnccs_20.c
@@ -408,6 +408,21 @@ METHOD(tls_t, build, status_t,
        /* Do not allow any asynchronous IMCs or IMVs to add additional messages */
        this->mutex->lock(this->mutex);
 
+       /* Is there a handshake retry request? */
+       if (this->request_handshake_retry)
+       {
+               if (this->batch)
+               {
+                       DBG1(DBG_TNC, "cancelling PB-TNC %N Batch",
+                               pb_tnc_batch_type_names, this->batch->get_type(this->batch));
+                       this->batch->destroy(this->batch);
+                }
+               this->batch = pb_tnc_batch_create(this->is_server, this->is_server ?
+                                                                                 PB_BATCH_SRETRY : PB_BATCH_CRETRY);
+               this->request_handshake_retry = FALSE;
+               status = ALREADY_DONE;
+       }
+
        if (!this->batch)
        {
                pb_tnc_state_t state;