/** * gnutls_deinit: * @session: is a #gnutls_session_t structure. * * This function clears all buffers associated with the @session. * This function will also remove session data from the session * database if the session was terminated abnormally. **/ void gnutls_deinit (gnutls_session_t session) { unsigned int i; if (session == NULL) return; _gnutls_rnd_refresh(); /* remove auth info firstly */ _gnutls_free_auth_info (session); _gnutls_handshake_internal_state_clear (session); _gnutls_handshake_io_buffer_clear (session); _gnutls_ext_free_session_data (session); for (i = 0; i < MAX_EPOCH_INDEX; i++) if (session->record_parameters[i] != NULL) { _gnutls_epoch_free (session, session->record_parameters[i]); session->record_parameters[i] = NULL; } _gnutls_buffer_clear (&session->internals.handshake_hash_buffer); _gnutls_buffer_clear (&session->internals.hb_remote_data); _gnutls_buffer_clear (&session->internals.hb_local_data); _gnutls_buffer_clear (&session->internals.record_presend_buffer); _mbuffer_head_clear (&session->internals.record_buffer); _mbuffer_head_clear (&session->internals.record_recv_buffer); _mbuffer_head_clear (&session->internals.record_send_buffer); gnutls_credentials_clear (session); _gnutls_selected_certs_deinit (session); gnutls_pk_params_release(&session->key.ecdh_params); _gnutls_mpi_release (&session->key.ecdh_x); _gnutls_mpi_release (&session->key.ecdh_y); _gnutls_mpi_release (&session->key.KEY); _gnutls_mpi_release (&session->key.client_Y); _gnutls_mpi_release (&session->key.client_p); _gnutls_mpi_release (&session->key.client_g); _gnutls_mpi_release (&session->key.u); _gnutls_mpi_release (&session->key.a); _gnutls_mpi_release (&session->key.x); _gnutls_mpi_release (&session->key.A); _gnutls_mpi_release (&session->key.B); _gnutls_mpi_release (&session->key.b); /* RSA */ _gnutls_mpi_release (&session->key.rsa[0]); _gnutls_mpi_release (&session->key.rsa[1]); _gnutls_mpi_release (&session->key.dh_secret); gnutls_free (session); }
/** * gnutls_deinit: * @session: is a #gnutls_session_t structure. * * This function clears all buffers associated with the @session. * This function will also remove session data from the session * database if the session was terminated abnormally. **/ void gnutls_deinit (gnutls_session_t session) { unsigned int i; if (session == NULL) return; /* remove auth info firstly */ _gnutls_free_auth_info (session); _gnutls_handshake_internal_state_clear (session); _gnutls_handshake_io_buffer_clear (session); _gnutls_ext_free_session_data (session); for (i = 0; i < MAX_EPOCH_INDEX; i++) if (session->record_parameters[i] != NULL) { _gnutls_epoch_free (session, session->record_parameters[i]); session->record_parameters[i] = NULL; } _gnutls_buffer_clear (&session->internals.handshake_hash_buffer); _mbuffer_head_clear (&session->internals.record_buffer); _mbuffer_head_clear (&session->internals.record_recv_buffer); _mbuffer_head_clear (&session->internals.record_send_buffer); gnutls_credentials_clear (session); _gnutls_selected_certs_deinit (session); if (session->key != NULL) { _gnutls_mpi_release (&session->key->KEY); _gnutls_mpi_release (&session->key->client_Y); _gnutls_mpi_release (&session->key->client_p); _gnutls_mpi_release (&session->key->client_g); _gnutls_mpi_release (&session->key->u); _gnutls_mpi_release (&session->key->a); _gnutls_mpi_release (&session->key->x); _gnutls_mpi_release (&session->key->A); _gnutls_mpi_release (&session->key->B); _gnutls_mpi_release (&session->key->b); /* RSA */ _gnutls_mpi_release (&session->key->rsa[0]); _gnutls_mpi_release (&session->key->rsa[1]); _gnutls_mpi_release (&session->key->dh_secret); gnutls_free (session->key); session->key = NULL; } memset (session, 0, sizeof (struct gnutls_session_int)); gnutls_free (session); }
/** * gnutls_record_discard_queued: * @session: is a #gnutls_session_t structure. * * This function discards all queued to be sent packets in a DTLS session. * These are the packets queued after an interrupted gnutls_record_send(). * * Returns: The number of bytes discarded. * * Since: 3.4.0 **/ size_t gnutls_record_discard_queued(gnutls_session_t session) { size_t ret = session->internals.record_send_buffer.byte_length; _mbuffer_head_clear(&session->internals.record_send_buffer); return ret; }
int _mbuffer_linearize(mbuffer_head_st * buf) { mbuffer_st *bufel, *cur; gnutls_datum_t msg; size_t pos = 0; if (buf->length <= 1) { /* Nothing to do */ return 0; } bufel = _mbuffer_alloc(buf->byte_length); if (!bufel) { gnutls_assert(); return GNUTLS_E_MEMORY_ERROR; } for (cur = _mbuffer_head_get_first(buf, &msg); msg.data != NULL; cur = _mbuffer_head_get_next(cur, &msg)) { memcpy(&bufel->msg.data[pos], msg.data, msg.size); bufel->msg.size += msg.size; pos += msg.size; } _mbuffer_head_clear(buf); _mbuffer_enqueue(buf, bufel); return 0; }
/** * gnutls_deinit: * @session: is a #gnutls_session_t type. * * This function clears all buffers associated with the @session. * This function will also remove session data from the session * database if the session was terminated abnormally. **/ void gnutls_deinit(gnutls_session_t session) { unsigned int i; if (session == NULL) return; /* remove auth info firstly */ _gnutls_free_auth_info(session); _gnutls_handshake_internal_state_clear(session); _gnutls_handshake_io_buffer_clear(session); _gnutls_ext_free_session_data(session); for (i = 0; i < MAX_EPOCH_INDEX; i++) if (session->record_parameters[i] != NULL) { _gnutls_epoch_free(session, session->record_parameters[i]); session->record_parameters[i] = NULL; } _gnutls_buffer_clear(&session->internals.handshake_hash_buffer); _gnutls_buffer_clear(&session->internals.hb_remote_data); _gnutls_buffer_clear(&session->internals.hb_local_data); _gnutls_buffer_clear(&session->internals.record_presend_buffer); _mbuffer_head_clear(&session->internals.record_buffer); _mbuffer_head_clear(&session->internals.record_recv_buffer); _mbuffer_head_clear(&session->internals.record_send_buffer); _gnutls_free_datum(&session->internals.resumption_data); gnutls_free(session->internals.rexts); gnutls_free(session->internals.rsup); gnutls_credentials_clear(session); _gnutls_selected_certs_deinit(session); gnutls_free(session); }
void _dtls_reset_hsk_state(gnutls_session_t session) { session->internals.dtls.flight_init = 0; drop_usage_count(session, &session->internals.handshake_send_buffer); _mbuffer_head_clear(&session->internals.handshake_send_buffer); }