detect fragmentation of PB-TNC batch

diff --git a/src/libcharon/plugins/tnccs_20/tnccs_20.c b/src/libcharon/plugins/tnccs_20/tnccs_20.c
index 0bdd8f1e858250e4c7d6ce50b50583d864bd3ac9..8e433b93439d052d739d283497359883c0bd79b7 100644 (file)
--- a/src/libcharon/plugins/tnccs_20/tnccs_20.c
+++ b/src/libcharon/plugins/tnccs_20/tnccs_20.c
@@ -539,10 +539,17 @@ METHOD(tls_t, build, status_t,
                                                   pb_tnc_batch_type_names, batch_type, data.len,
                                                   this->connection_id);
                        DBG3(DBG_TNC, "%B", &data);
-
                        *msglen = data.len;
-                       *buflen = data.len;
-                       memcpy(buf, data.ptr, data.len);
+
+                       if (data.len > *buflen)
+                       {
+                               DBG1(DBG_TNC, "Fragmentation of PB-TNC Batch not supported yet");
+                       }
+                       else
+                       {
+                               *buflen = data.len;
+                       }                               
+                       memcpy(buf, data.ptr, *buflen);
                        status = ALREADY_DONE;
                }
                else
@@ -557,7 +564,7 @@ METHOD(tls_t, build, status_t,
        }
        else
        {
-               DBG1(DBG_TNC, "no TNCCS batch to send");
+               DBG1(DBG_TNC, "no PB-TNC batch to send");
                status = INVALID_STATE;
        }
        this->mutex->unlock(this->mutex);