+static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer)
+{
+ int ret;
+ char buf;
+
+ TEST_check(peer->status == PEER_RETRY);
+ TEST_check(test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
+ || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT);
+
+ /* Check if we are the peer that is going to initiate */
+ if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER
+ && SSL_is_server(peer->ssl))
+ || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT
+ && !SSL_is_server(peer->ssl))) {
+ /*
+ * If we already asked for a renegotiation then fall through to the
+ * SSL_read() below.
+ */
+ if (!SSL_renegotiate_pending(peer->ssl)) {
+ /*
+ * If we are the client we will always attempt to resume the
+ * session. The server may or may not resume dependant on the
+ * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
+ */
+ if (SSL_is_server(peer->ssl))
+ ret = SSL_renegotiate(peer->ssl);
+ else
+ ret = SSL_renegotiate_abbreviated(peer->ssl);
+ if (!ret) {
+ peer->status = PEER_ERROR;
+ return;
+ }
+ do_handshake_step(peer);
+ /*
+ * If status is PEER_RETRY it means we're waiting on the peer to
+ * continue the handshake. As far as setting up the renegotiation is
+ * concerned that is a success. The next step will continue the
+ * handshake to its conclusion.
+ *
+ * If status is PEER_SUCCESS then we are the server and we have
+ * successfully sent the HelloRequest. We need to continue to wait
+ * until the handshake arrives from the client.
+ */
+ if (peer->status == PEER_RETRY)
+ peer->status = PEER_SUCCESS;
+ else if (peer->status == PEER_SUCCESS)
+ peer->status = PEER_RETRY;
+ return;
+ }
+ }
+
+ /*
+ * The SSL object is still expecting app data, even though it's going to
+ * get a handshake message. We try to read, and it should fail - after which
+ * we should be in a handshake
+ */
+ ret = SSL_read(peer->ssl, &buf, sizeof(buf));
+ if (ret >= 0) {
+ /*
+ * We're not actually expecting data - we're expecting a reneg to
+ * start
+ */
+ peer->status = PEER_ERROR;
+ return;
+ } else {
+ int error = SSL_get_error(peer->ssl, ret);
+ if (error != SSL_ERROR_WANT_READ) {
+ peer->status = PEER_ERROR;
+ return;
+ }
+ /* If we're no in init yet then we're not done with setup yet */
+ if (!SSL_in_init(peer->ssl))
+ return;
+ }
+
+ peer->status = PEER_SUCCESS;
+}
+
+