1 files changed, 98 insertions, 0 deletions
diff --git a/lib/constate.h b/lib/constate.h
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+/*
+ * Copyright (C) 2000-2012 Free Software Foundation, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * The GnuTLS is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef GNUTLS_LIB_CONSTATE_H
+#define GNUTLS_LIB_CONSTATE_H
+
+int _gnutls_set_cipher_suite2(gnutls_session_t session,
+			     const gnutls_cipher_suite_entry_st *cs);
+
+int _gnutls_epoch_set_keys(gnutls_session_t session, uint16_t epoch, hs_stage_t stage);
+int _gnutls_connection_state_init(gnutls_session_t session);
+int _gnutls_read_connection_state_init(gnutls_session_t session);
+int _gnutls_write_connection_state_init(gnutls_session_t session);
+
+#define _gnutls_epoch_bump(session) \
+	(session)->security_parameters.epoch_next++
+
+int _gnutls_epoch_dup(gnutls_session_t session, unsigned int epoch_rel);
+
+int _gnutls_epoch_get(gnutls_session_t session, unsigned int epoch_rel,
+		      record_parameters_st ** params_out);
+int _gnutls_epoch_setup_next(gnutls_session_t session, unsigned null_epoch, record_parameters_st **newp);
+void _gnutls_epoch_gc(gnutls_session_t session);
+void _gnutls_epoch_free(gnutls_session_t session,
+			record_parameters_st * state);
+
+void _gnutls_set_resumed_parameters(gnutls_session_t session);
+
+int _tls13_connection_state_init(gnutls_session_t session, hs_stage_t stage);
+int _tls13_read_connection_state_init(gnutls_session_t session, hs_stage_t stage);
+int _tls13_write_connection_state_init(gnutls_session_t session, hs_stage_t stage);
+
+static inline int _gnutls_epoch_is_valid(gnutls_session_t session,
+					 int epoch)
+{
+	record_parameters_st *params;
+	int ret;
+
+	ret = _gnutls_epoch_get(session, epoch, &params);
+	if (ret < 0)
+		return 0;
+
+	return 1;
+}
+
+
+static inline int _gnutls_epoch_refcount_inc(gnutls_session_t session,
+					     int epoch)
+{
+	record_parameters_st *params;
+	int ret;
+
+	ret = _gnutls_epoch_get(session, epoch, &params);
+	if (ret < 0)
+		return ret;
+
+	params->usage_cnt++;
+
+	return params->epoch;
+}
+
+static inline int _gnutls_epoch_refcount_dec(gnutls_session_t session,
+					     uint16_t epoch)
+{
+	record_parameters_st *params;
+	int ret;
+
+	ret = _gnutls_epoch_get(session, epoch, &params);
+	if (ret < 0)
+		return ret;
+
+	params->usage_cnt--;
+	if (params->usage_cnt < 0)
+		return GNUTLS_E_INTERNAL_ERROR;
+
+	return 0;
+}
+
+#endif /* GNUTLS_LIB_CONSTATE_H */