client free credentials when not needed anymore

diff --git a/source/librpc/rpc/dcerpc_auth.c b/source/librpc/rpc/dcerpc_auth.c
index 49fc3d92941810d527576962726b673ca2c48c2c..2eced55967e956360b08e67d4c623204faff6289 100644 (file)
--- a/source/librpc/rpc/dcerpc_auth.c
+++ b/source/librpc/rpc/dcerpc_auth.c
@@ -129,6 +129,7 @@ static void bind_auth_next_step(struct composite_context *c)
        c->status = gensec_update(sec->generic_state, state,
                                  sec->auth_info->credentials,
                                  &state->credentials);
+       data_blob_free(&sec->auth_info->credentials);
 
        if (NT_STATUS_EQUAL(c->status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
                more_processing = true;
@@ -151,6 +152,8 @@ static void bind_auth_next_step(struct composite_context *c)
        if (!more_processing) {
                /* NO reply expected, so just send it */
                c->status = dcerpc_auth3(state->pipe, state);
+               data_blob_free(&state->credentials);
+               sec->auth_info->credentials = data_blob(NULL, 0);
                if (!composite_is_ok(c)) return;
 
                composite_done(c);
@@ -162,6 +165,8 @@ static void bind_auth_next_step(struct composite_context *c)
        creq = dcerpc_alter_context_send(state->pipe, state,
                                         &state->pipe->syntax,
                                         &state->pipe->transfer_syntax);
+       data_blob_free(&state->credentials);
+       sec->auth_info->credentials = data_blob(NULL, 0);
        if (composite_nomem(creq, c)) return;
 
        composite_continue(c, creq, bind_auth_recv_alter, c);
@@ -334,6 +339,8 @@ struct composite_context *dcerpc_bind_auth_send(TALLOC_CTX *mem_ctx,
        /* The first request always is a dcerpc_bind. The subsequent ones
         * depend on gensec results */
        creq = dcerpc_bind_send(p, state, &syntax, &transfer_syntax);
+       data_blob_free(&state->credentials);
+       sec->auth_info->credentials = data_blob(NULL, 0);
        if (composite_nomem(creq, c)) return c;
 
        composite_continue(c, creq, bind_auth_recv_bindreply, c);