g_dtls_connection_set_certificate ()

void
g_dtls_connection_set_certificate (GDtlsConnection *conn,
                                   GTlsCertificate *certificate);

This sets the certificate that conn will present to its peer during the TLS handshake. For a GDtlsServerConnection, it is mandatory to set this, and that will normally be done at construct time.

For a GDtlsClientConnection, this is optional. If a handshake fails with G_TLS_ERROR_CERTIFICATE_REQUIRED, that means that the server requires a certificate, and if you try connecting again, you should call this method first. You can call g_dtls_client_connection_get_accepted_cas() on the failed connection to get a list of Certificate Authorities that the server will accept certificates from.

(It is also possible that a server will allow the connection with or without a certificate; in that case, if you don't provide a certificate, you can tell that the server requested one by the fact that g_dtls_client_connection_get_accepted_cas() will return non-NULL.)

Since: 2.48

g_dtls_connection_get_certificate ()

GTlsCertificate *
g_dtls_connection_get_certificate (GDtlsConnection *conn);

Gets conn 's certificate, as set by g_dtls_connection_set_certificate().

Since: 2.48

g_dtls_connection_get_peer_certificate ()

GTlsCertificate *
g_dtls_connection_get_peer_certificate
                               (GDtlsConnection *conn);

Gets conn 's peer's certificate after the handshake has completed or failed. (It is not set during the emission of “accept-certificate”.)

Since: 2.48

g_dtls_connection_get_peer_certificate_errors ()

GTlsCertificateFlags
g_dtls_connection_get_peer_certificate_errors
                               (GDtlsConnection *conn);

Gets the errors associated with validating conn 's peer's certificate, after the handshake has completed or failed. (It is not set during the emission of “accept-certificate”.)

Since: 2.48

g_dtls_connection_get_channel_binding_data ()

gboolean
g_dtls_connection_get_channel_binding_data
                               (GDtlsConnection *conn,
                                GTlsChannelBindingType type,
                                GByteArray *data,
                                GError **error);

Query the TLS backend for TLS channel binding data of type for conn .

This call retrieves TLS channel binding data as specified in RFC 5056, RFC 5929, and related RFCs. The binding data is returned in data . The data is resized by the callee using GByteArray buffer management and will be freed when the data is destroyed by g_byte_array_unref(). If data is NULL, it will only check whether TLS backend is able to fetch the data (e.g. whether type is supported by the TLS backend). It does not guarantee that the data will be available though. That could happen if TLS connection does not support type or the binding data is not available yet due to additional negotiation or input required.

Since: 2.66

g_dtls_connection_set_require_close_notify ()

void
g_dtls_connection_set_require_close_notify
                               (GDtlsConnection *conn,
                                gboolean require_close_notify);

Sets whether or not conn expects a proper TLS close notification before the connection is closed. If this is TRUE (the default), then conn will expect to receive a TLS close notification from its peer before the connection is closed, and will return a G_TLS_ERROR_EOF error if the connection is closed without proper notification (since this may indicate a network error, or man-in-the-middle attack).

In some protocols, the application will know whether or not the connection was closed cleanly based on application-level data (because the application-level data includes a length field, or is somehow self-delimiting); in this case, the close notify is redundant and may be omitted. You can use g_dtls_connection_set_require_close_notify() to tell conn to allow an "unannounced" connection close, in which case the close will show up as a 0-length read, as in a non-TLS GDatagramBased, and it is up to the application to check that the data has been fully received.

Note that this only affects the behavior when the peer closes the connection; when the application calls g_dtls_connection_close_async() on conn itself, this will send a close notification regardless of the setting of this property. If you explicitly want to do an unclean close, you can close conn 's “base-socket” rather than closing conn itself.

Since: 2.48

g_dtls_connection_get_require_close_notify ()

gboolean
g_dtls_connection_get_require_close_notify
                               (GDtlsConnection *conn);

Tests whether or not conn expects a proper TLS close notification when the connection is closed. See g_dtls_connection_set_require_close_notify() for details.

Since: 2.48

g_dtls_connection_set_rehandshake_mode ()

void
g_dtls_connection_set_rehandshake_mode
                               (GDtlsConnection *conn,
                                GTlsRehandshakeMode mode);

Since GLib 2.64, changing the rehandshake mode is no longer supported and will have no effect. With TLS 1.3, rehandshaking has been removed from the TLS protocol, replaced by separate post-handshake authentication and rekey operations.

Since: 2.48

g_dtls_connection_get_rehandshake_mode ()

GTlsRehandshakeMode
g_dtls_connection_get_rehandshake_mode
                               (GDtlsConnection *conn);

Gets conn rehandshaking mode. See g_dtls_connection_set_rehandshake_mode() for details.

Since: 2.48

g_dtls_connection_set_advertised_protocols ()

void
g_dtls_connection_set_advertised_protocols
                               (GDtlsConnection *conn,
                                const gchar * const *protocols);

Sets the list of application-layer protocols to advertise that the caller is willing to speak on this connection. The Application-Layer Protocol Negotiation (ALPN) extension will be used to negotiate a compatible protocol with the peer; use g_dtls_connection_get_negotiated_protocol() to find the negotiated protocol after the handshake. Specifying NULL for the the value of protocols will disable ALPN negotiation.

See IANA TLS ALPN Protocol IDs for a list of registered protocol IDs.

Since: 2.60

g_dtls_connection_get_negotiated_protocol ()

const gchar *
g_dtls_connection_get_negotiated_protocol
                               (GDtlsConnection *conn);

Gets the name of the application-layer protocol negotiated during the handshake.

If the peer did not use the ALPN extension, or did not advertise a protocol that matched one of conn 's protocols, or the TLS backend does not support ALPN, then this will be NULL. See g_dtls_connection_set_advertised_protocols().

Since: 2.60

g_dtls_connection_get_database ()

GTlsDatabase *
g_dtls_connection_get_database (GDtlsConnection *conn);

Gets the certificate database that conn uses to verify peer certificates. See g_dtls_connection_set_database().

Since: 2.48

g_dtls_connection_set_database ()

void
g_dtls_connection_set_database (GDtlsConnection *conn,
                                GTlsDatabase *database);

Sets the certificate database that is used to verify peer certificates. This is set to the default database by default. See g_tls_backend_get_