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gio: Add DTLS interfaces

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Add a new GDtlsConnection interface, plus derived GDtlsClientConnection
and GDtlsServerConnection interfaces, for implementing Datagram TLS
support in glib-networking.

A GDtlsConnection is a GDatagramBased, so may be used as a normal
datagram socket, wrapping all datagrams from a base GDatagramBased in
DTLS segments.

Test cases are included in the implementation in glib-networking.

https://bugzilla.gnome.org/show_bug.cgi?id=752240
This commit is contained in:
Philip Withnall 2015-06-25 12:58:14 +01:00
parent e3ab6ab38a
commit c3d6934f18
17 changed files with 1970 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
docs/reference/gio/gio-docs.xml
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@ -152,6 +152,9 @@
<xi:include href="xml/gtlsconnection.xml"/>
<xi:include href="xml/gtlsclientconnection.xml"/>
<xi:include href="xml/gtlsserverconnection.xml"/>
<xi:include href="xml/gdtlsconnection.xml"/>
<xi:include href="xml/gdtlsclientconnection.xml"/>
<xi:include href="xml/gdtlsserverconnection.xml"/>
<xi:include href="xml/gtlsbackend.xml"/>
<xi:include href="xml/gtlsdatabase.xml"/>
<xi:include href="xml/gtlsfiledatabase.xml"/>

81
docs/reference/gio/gio-sections.txt
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@ -3578,10 +3578,13 @@ GTlsBackend
GTlsBackendInterface
g_tls_backend_get_default
g_tls_backend_supports_tls
g_tls_backend_supports_dtls
g_tls_backend_get_default_database
g_tls_backend_get_certificate_type
g_tls_backend_get_client_connection_type
g_tls_backend_get_server_connection_type
g_tls_backend_get_dtls_client_connection_type
g_tls_backend_get_dtls_server_connection_type
g_tls_backend_get_file_database_type
<SUBSECTION Standard>
G_IS_TLS_BACKEND
@ -3807,6 +3810,84 @@ g_tls_interaction_get_type
g_tls_interaction_result_get_type
</SECTION>
<SECTION>
<FILE>gdtlsconnection</FILE>
<TITLE>GDtlsConnection</TITLE>
GDtlsConnection
g_dtls_connection_set_certificate
g_dtls_connection_get_certificate
g_dtls_connection_get_peer_certificate
g_dtls_connection_get_peer_certificate_errors
g_dtls_connection_set_require_close_notify
g_dtls_connection_get_require_close_notify
g_dtls_connection_set_rehandshake_mode
g_dtls_connection_get_rehandshake_mode
g_dtls_connection_get_database
g_dtls_connection_set_database
g_dtls_connection_get_interaction
g_dtls_connection_set_interaction
<SUBSECTION>
g_dtls_connection_handshake
g_dtls_connection_handshake_async
g_dtls_connection_handshake_finish
<SUBSECTION>
g_dtls_connection_shutdown
g_dtls_connection_shutdown_async
g_dtls_connection_shutdown_finish
g_dtls_connection_close
g_dtls_connection_close_async
g_dtls_connection_close_finish
<SUBSECTION>
g_dtls_connection_emit_accept_certificate
<SUBSECTION Standard>
GDtlsConnectionClass
GDtlsConnectionPrivate
G_IS_DTLS_CONNECTION
G_IS_DTLS_CONNECTION_CLASS
G_DTLS_CONNECTION
G_DTLS_CONNECTION_CLASS
G_DTLS_CONNECTION_GET_CLASS
G_TYPE_DTLS_CONNECTION
G_DTLS_CONNECTION_GET_INTERFACE
<SUBSECTION Private>
g_dtls_connection_get_type
</SECTION>
<SECTION>
<FILE>gdtlsclientconnection</FILE>
<TITLE>GDtlsClientConnection</TITLE>
GDtlsClientConnection
GDtlsClientConnectionInterface
g_dtls_client_connection_new
g_dtls_client_connection_set_server_identity
g_dtls_client_connection_get_server_identity
g_dtls_client_connection_set_validation_flags
g_dtls_client_connection_get_validation_flags
g_dtls_client_connection_get_accepted_cas
<SUBSECTION Standard>
G_IS_DTLS_CLIENT_CONNECTION
G_DTLS_CLIENT_CONNECTION
G_DTLS_CLIENT_CONNECTION_GET_INTERFACE
G_TYPE_DTLS_CLIENT_CONNECTION
<SUBSECTION Private>
g_dtls_client_connection_get_type
</SECTION>
<SECTION>
<FILE>gdtlsserverconnection</FILE>
<TITLE>GDtlsServerConnection</TITLE>
GDtlsServerConnection
GDtlsServerConnectionInterface
g_dtls_server_connection_new
<SUBSECTION Standard>
G_IS_DTLS_SERVER_CONNECTION
G_DTLS_SERVER_CONNECTION
G_DTLS_SERVER_CONNECTION_GET_INTERFACE
G_TYPE_DTLS_SERVER_CONNECTION
<SUBSECTION Private>
g_dtls_server_connection_get_type
</SECTION>
<SECTION>
<FILE>gdbusinterface</FILE>
<TITLE>GDBusInterface</TITLE>

3
docs/reference/gio/gio.types
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@ -45,6 +45,9 @@ g_dbus_signal_info_get_type
g_desktop_app_info_get_type
g_desktop_app_info_lookup_get_type
g_drive_get_type
g_dtls_client_connection_get_type
g_dtls_connection_get_type
g_dtls_server_connection_get_type
g_emblem_get_type
g_emblemed_icon_get_type
g_file_attribute_info_list_get_type

6
gio/Makefile.am
View File

@ -468,6 +468,9 @@ libgio_2_0_la_SOURCES = \
gtlsinteraction.c \
gtlspassword.c \
gtlsserverconnection.c \
gdtlsconnection.c \
gdtlsclientconnection.c \
gdtlsserverconnection.c \
gunionvolumemonitor.c \
gunionvolumemonitor.h \
gvfs.c \
@ -632,6 +635,9 @@ gio_headers = \
gtlsinteraction.h \
gtlspassword.h \
gtlsserverconnection.h \
gdtlsconnection.h \
gdtlsclientconnection.h \
gdtlsserverconnection.h \
gvfs.h \
gvolume.h \
gvolumemonitor.h \

273
gio/gdtlsclientconnection.c Normal file
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@ -0,0 +1,273 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "glib.h"
#include "gdtlsclientconnection.h"
#include "ginitable.h"
#include "gioenumtypes.h"
#include "gsocket.h"
#include "gsocketconnectable.h"
#include "gtlsbackend.h"
#include "gtlscertificate.h"
#include "glibintl.h"
/**
* SECTION:gdtlsclientconnection
* @short_description: DTLS client-side connection
* @include: gio/gio.h
*
* #GDtlsClientConnection is the client-side subclass of
* #GDtlsConnection, representing a client-side DTLS connection.
*
* Since: 2.48
*/
/**
* GDtlsClientConnection:
*
* Abstract base class for the backend-specific client connection
* type.
*
* Since: 2.48
*/
G_DEFINE_INTERFACE (GDtlsClientConnection, g_dtls_client_connection,
G_TYPE_DTLS_CONNECTION)
static void
g_dtls_client_connection_default_init (GDtlsClientConnectionInterface *iface)
{
/**
* GDtlsClientConnection:validation-flags:
*
* What steps to perform when validating a certificate received from
* a server. Server certificates that fail to validate in all of the
* ways indicated here will be rejected unless the application
* overrides the default via #GDtlsConnection::accept-certificate.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_flags ("validation-flags",
P_("Validation flags"),
P_("What certificate validation to perform"),
G_TYPE_TLS_CERTIFICATE_FLAGS,
G_TLS_CERTIFICATE_VALIDATE_ALL,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsClientConnection:server-identity:
*
* A #GSocketConnectable describing the identity of the server that
* is expected on the other end of the connection.
*
* If the %G_TLS_CERTIFICATE_BAD_IDENTITY flag is set in
* #GDtlsClientConnection:validation-flags, this object will be used
* to determine the expected identify of the remote end of the
* connection; if #GDtlsClientConnection:server-identity is not set,
* or does not match the identity presented by the server, then the
* %G_TLS_CERTIFICATE_BAD_IDENTITY validation will fail.
*
* In addition to its use in verifying the server certificate,
* this is also used to give a hint to the server about what
* certificate we expect, which is useful for servers that serve
* virtual hosts.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("server-identity",
P_("Server identity"),
P_("GSocketConnectable identifying the server"),
G_TYPE_SOCKET_CONNECTABLE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsClientConnection:accepted-cas: (type GLib.List) (element-type GLib.ByteArray)
*
* A list of the distinguished names of the Certificate Authorities
* that the server will accept client certificates signed by. If the
* server requests a client certificate during the handshake, then
* this property will be set after the handshake completes.
*
* Each item in the list is a #GByteArray which contains the complete
* subject DN of the certificate authority.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_pointer ("accepted-cas",
P_("Accepted CAs"),
P_("Distinguished names of the CAs the server accepts certificates from"),
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
}
/**
* g_dtls_client_connection_new:
* @base_socket: the #GDatagramBased to wrap
* @server_identity: (allow-none): the expected identity of the server
* @error: #GError for error reporting, or %NULL to ignore.
*
* Creates a new #GDtlsClientConnection wrapping @base_socket which is
* assumed to communicate with the server identified by @server_identity.
*
* Returns: (transfer full) (type GDtlsClientConnection): the new
* #GDtlsClientConnection, or %NULL on error
*
* Since: 2.48
*/
GDatagramBased *
g_dtls_client_connection_new (GDatagramBased *base_socket,
GSocketConnectable *server_identity,
GError **error)
{
GObject *conn;
GTlsBackend *backend;
backend = g_tls_backend_get_default ();
conn = g_initable_new (g_tls_backend_get_dtls_client_connection_type (backend),
NULL, error,
"base-socket", base_socket,
"server-identity", server_identity,
NULL);
return G_DATAGRAM_BASED (conn);
}
/**
* g_dtls_client_connection_get_validation_flags:
* @conn: the #GDtlsClientConnection
*
* Gets @conn's validation flags
*
* Returns: the validation flags
*
* Since: 2.48
*/
GTlsCertificateFlags
g_dtls_client_connection_get_validation_flags (GDtlsClientConnection *conn)
{
GTlsCertificateFlags flags = 0;
g_return_val_if_fail (G_IS_DTLS_CLIENT_CONNECTION (conn), 0);
g_object_get (G_OBJECT (conn), "validation-flags", &flags, NULL);
return flags;
}
/**
* g_dtls_client_connection_set_validation_flags:
* @conn: the #GDtlsClientConnection
* @flags: the #GTlsCertificateFlags to use
*
* Sets @conn's validation flags, to override the default set of
* checks performed when validating a server certificate. By default,
* %G_TLS_CERTIFICATE_VALIDATE_ALL is used.
*
* Since: 2.48
*/
void
g_dtls_client_connection_set_validation_flags (GDtlsClientConnection *conn,
GTlsCertificateFlags flags)
{
g_return_if_fail (G_IS_DTLS_CLIENT_CONNECTION (conn));
g_object_set (G_OBJECT (conn), "validation-flags", flags, NULL);
}
/**
* g_dtls_client_connection_get_server_identity:
* @conn: the #GDtlsClientConnection
*
* Gets @conn's expected server identity
*
* Returns: (transfer none): a #GSocketConnectable describing the
* expected server identity, or %NULL if the expected identity is not
* known.
*
* Since: 2.48
*/
GSocketConnectable *
g_dtls_client_connection_get_server_identity (GDtlsClientConnection *conn)
{
GSocketConnectable *identity = NULL;
g_return_val_if_fail (G_IS_DTLS_CLIENT_CONNECTION (conn), 0);
g_object_get (G_OBJECT (conn), "server-identity", &identity, NULL);
if (identity)
g_object_unref (identity);
return identity;
}
/**
* g_dtls_client_connection_set_server_identity:
* @conn: the #GDtlsClientConnection
* @identity: a #GSocketConnectable describing the expected server identity
*
* Sets @conn's expected server identity, which is used both to tell
* servers on virtual hosts which certificate to present, and also
* to let @conn know what name to look for in the certificate when
* performing %G_TLS_CERTIFICATE_BAD_IDENTITY validation, if enabled.
*
* Since: 2.48
*/
void
g_dtls_client_connection_set_server_identity (GDtlsClientConnection *conn,
GSocketConnectable *identity)
{
g_return_if_fail (G_IS_DTLS_CLIENT_CONNECTION (conn));
g_object_set (G_OBJECT (conn), "server-identity", identity, NULL);
}
/**
* g_dtls_client_connection_get_accepted_cas:
* @conn: the #GDtlsClientConnection
*
* Gets the list of distinguished names of the Certificate Authorities
* that the server will accept certificates from. This will be set
* during the TLS handshake if the server requests a certificate.
* Otherwise, it will be %NULL.
*
* Each item in the list is a #GByteArray which contains the complete
* subject DN of the certificate authority.
*
* Returns: (element-type GByteArray) (transfer full): the list of
* CA DNs. You should unref each element with g_byte_array_unref() and then
* the free the list with g_list_free().
*
* Since: 2.48
*/
GList *
g_dtls_client_connection_get_accepted_cas (GDtlsClientConnection *conn)
{
GList *accepted_cas = NULL;
g_return_val_if_fail (G_IS_DTLS_CLIENT_CONNECTION (conn), NULL);
g_object_get (G_OBJECT (conn), "accepted-cas", &accepted_cas, NULL);
return accepted_cas;
}

75
gio/gdtlsclientconnection.h Normal file
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@ -0,0 +1,75 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc.
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_DTLS_CLIENT_CONNECTION_H__
#define __G_DTLS_CLIENT_CONNECTION_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/gdtlsconnection.h>
G_BEGIN_DECLS
#define G_TYPE_DTLS_CLIENT_CONNECTION (g_dtls_client_connection_get_type ())
#define G_DTLS_CLIENT_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), G_TYPE_DTLS_CLIENT_CONNECTION, GDtlsClientConnection))
#define G_IS_DTLS_CLIENT_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_DTLS_CLIENT_CONNECTION))
#define G_DTLS_CLIENT_CONNECTION_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), G_TYPE_DTLS_CLIENT_CONNECTION, GDtlsClientConnectionInterface))
typedef struct _GDtlsClientConnectionInterface GDtlsClientConnectionInterface;
/**
* GDtlsClientConnectionInterface:
* @g_iface: The parent interface.
*
* vtable for a #GDtlsClientConnection implementation.
*
* Since: 2.48
*/
struct _GDtlsClientConnectionInterface
{
GTypeInterface g_iface;
};
GLIB_AVAILABLE_IN_2_48
GType g_dtls_client_connection_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_48
GDatagramBased *g_dtls_client_connection_new (GDatagramBased *base_socket,
GSocketConnectable *server_identity,
GError **error);
GLIB_AVAILABLE_IN_2_48
GTlsCertificateFlags g_dtls_client_connection_get_validation_flags (GDtlsClientConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_client_connection_set_validation_flags (GDtlsClientConnection *conn,
GTlsCertificateFlags flags);
GLIB_AVAILABLE_IN_2_48
GSocketConnectable *g_dtls_client_connection_get_server_identity (GDtlsClientConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_client_connection_set_server_identity (GDtlsClientConnection *conn,
GSocketConnectable *identity);
GLIB_AVAILABLE_IN_2_48
GList * g_dtls_client_connection_get_accepted_cas (GDtlsClientConnection *conn);
G_END_DECLS
#endif /* __G_DTLS_CLIENT_CONNECTION_H__ */

975
gio/gdtlsconnection.c Normal file
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@ -0,0 +1,975 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "glib.h"
#include "gdtlsconnection.h"
#include "gcancellable.h"
#include "gioenumtypes.h"
#include "gsocket.h"
#include "gtlsbackend.h"
#include "gtlscertificate.h"
#include "gdtlsclientconnection.h"
#include "gtlsdatabase.h"
#include "gtlsinteraction.h"
#include "glibintl.h"
/**
* SECTION:gdtlsconnection
* @short_description: DTLS connection type
* @include: gio/gio.h
*
* #GDtlsConnection is the base DTLS connection class type, which wraps
* a #GDatagramBased and provides DTLS encryption on top of it. Its
* subclasses, #GDtlsClientConnection and #GDtlsServerConnection,
* implement client-side and server-side DTLS, respectively.
*
* For TLS support, see #GTlsConnection.
*
* As DTLS is datagram based, #GDtlsConnection implements #GDatagramBased,
* presenting a datagram-socket-like API for the encrypted connection. This
* operates over a base datagram connection, which is also a #GDatagramBased
* (#GDtlsConnection:base-socket).
*
* To close a DTLS connection, use g_dtls_connection_close().
*
* Neither #GDtlsServerConnection or #GDtlsClientConnection set the peer address
* on their base #GDatagramBased if it is a #GSocket — it is up to the caller to
* do that if they wish. If they do not, and g_socket_close() is called on the
* base socket, the #GDtlsConnection will not raise a %G_IO_ERROR_NOT_CONNECTED
* error on further I/O.
*
* Since: 2.48
*/
/**
* GDtlsConnection:
*
* Abstract base class for the backend-specific #GDtlsClientConnection
* and #GDtlsServerConnection types.
*
* Since: 2.48
*/
G_DEFINE_INTERFACE (GDtlsConnection, g_dtls_connection, G_TYPE_DATAGRAM_BASED);
enum {
ACCEPT_CERTIFICATE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
enum {
PROP_BASE_SOCKET = 1,
PROP_REQUIRE_CLOSE_NOTIFY,
PROP_REHANDSHAKE_MODE,
PROP_DATABASE,
PROP_INTERACTION,
PROP_CERTIFICATE,
PROP_PEER_CERTIFICATE,
PROP_PEER_CERTIFICATE_ERRORS,
};
static void
g_dtls_connection_default_init (GDtlsConnectionInterface *iface)
{
/**
* GDtlsConnection:base-socket:
*
* The #GDatagramBased that the connection wraps. Note that this may be any
* implementation of #GDatagramBased, not just a #GSocket.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("base-socket",
P_("Base Socket"),
P_("The GDatagramBased that the connection wraps"),
G_TYPE_DATAGRAM_BASED,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:database:
*
* The certificate database to use when verifying this TLS connection.
* If no certificate database is set, then the default database will be
* used. See g_dtls_backend_get_default_database().
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("database",
P_("Database"),
P_("Certificate database to use for looking up or verifying certificates"),
G_TYPE_TLS_DATABASE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:interaction:
*
* A #GTlsInteraction object to be used when the connection or certificate
* database need to interact with the user. This will be used to prompt the
* user for passwords where necessary.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("interaction",
P_("Interaction"),
P_("Optional object for user interaction"),
G_TYPE_TLS_INTERACTION,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:require-close-notify:
*
* Whether or not proper TLS close notification is required.
* See g_dtls_connection_set_require_close_notify().
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_boolean ("require-close-notify",
P_("Require close notify"),
P_("Whether to require proper TLS close notification"),
TRUE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:rehandshake-mode:
*
* The rehandshaking mode. See
* g_dtls_connection_set_rehandshake_mode().
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_enum ("rehandshake-mode",
P_("Rehandshake mode"),
P_("When to allow rehandshaking"),
G_TYPE_TLS_REHANDSHAKE_MODE,
G_TLS_REHANDSHAKE_NEVER,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:certificate:
*
* The connection's certificate; see
* g_dtls_connection_set_certificate().
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("certificate",
P_("Certificate"),
P_("The connection's certificate"),
G_TYPE_TLS_CERTIFICATE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:peer-certificate:
*
* The connection's peer's certificate, after the TLS handshake has
* completed and the certificate has been accepted. Note in
* particular that this is not yet set during the emission of
* #GDtlsConnection::accept-certificate.
*
* (You can watch for a #GObject::notify signal on this property to
* detect when a handshake has occurred.)
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_object ("peer-certificate",
P_("Peer Certificate"),
P_("The connection's peer's certificate"),
G_TYPE_TLS_CERTIFICATE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection:peer-certificate-errors:
*
* The errors noticed-and-ignored while verifying
* #GDtlsConnection:peer-certificate. Normally this should be 0, but
* it may not be if #GDtlsClientConnection:validation-flags is not
* %G_TLS_CERTIFICATE_VALIDATE_ALL, or if
* #GDtlsConnection::accept-certificate overrode the default
* behavior.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_flags ("peer-certificate-errors",
P_("Peer Certificate Errors"),
P_("Errors found with the peer's certificate"),
G_TYPE_TLS_CERTIFICATE_FLAGS,
0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/**
* GDtlsConnection::accept-certificate:
* @conn: a #GDtlsConnection
* @peer_cert: the peer's #GTlsCertificate
* @errors: the problems with @peer_cert.
*
* Emitted during the TLS handshake after the peer certificate has
* been received. You can examine @peer_cert's certification path by
* calling g_tls_certificate_get_issuer() on it.
*
* For a client-side connection, @peer_cert is the server's
* certificate, and the signal will only be emitted if the
* certificate was not acceptable according to @conn's
* #GDtlsClientConnection:validation_flags. If you would like the
* certificate to be accepted despite @errors, return %TRUE from the
* signal handler. Otherwise, if no handler accepts the certificate,
* the handshake will fail with %G_TLS_ERROR_BAD_CERTIFICATE.
*
* For a server-side connection, @peer_cert is the certificate
* presented by the client, if this was requested via the server's
* #GDtlsServerConnection:authentication_mode. On the server side,
* the signal is always emitted when the client presents a
* certificate, and the certificate will only be accepted if a
* handler returns %TRUE.
*
* Note that if this signal is emitted as part of asynchronous I/O
* in the main thread, then you should not attempt to interact with
* the user before returning from the signal handler. If you want to
* let the user decide whether or not to accept the certificate, you
* would have to return %FALSE from the signal handler on the first
* attempt, and then after the connection attempt returns a
* %G_TLS_ERROR_HANDSHAKE, you can interact with the user, and if
* the user decides to accept the certificate, remember that fact,
* create a new connection, and return %TRUE from the signal handler
* the next time.
*
* If you are doing I/O in another thread, you do not
* need to worry about this, and can simply block in the signal
* handler until the UI thread returns an answer.
*
* Returns: %TRUE to accept @peer_cert (which will also
* immediately end the signal emission). %FALSE to allow the signal
* emission to continue, which will cause the handshake to fail if
* no one else overrides it.
*
* Since: 2.48
*/
signals[ACCEPT_CERTIFICATE] =
g_signal_new (I_("accept-certificate"),
G_TYPE_DTLS_CONNECTION,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GDtlsConnectionInterface, accept_certificate),
g_signal_accumulator_true_handled, NULL,
NULL,
G_TYPE_BOOLEAN, 2,
G_TYPE_TLS_CERTIFICATE,
G_TYPE_TLS_CERTIFICATE_FLAGS);
}
/**
* g_dtls_connection_set_database:
* @conn: a #GDtlsConnection
* @database: a #GTlsDatabase
*
* Sets the certificate database that is used to verify peer certificates.
* This is set to the default database by default. See
* g_dtls_backend_get_default_database(). If set to %NULL, then
* peer certificate validation will always set the
* %G_TLS_CERTIFICATE_UNKNOWN_CA error (meaning
* #GDtlsConnection::accept-certificate will always be emitted on
* client-side connections, unless that bit is not set in
* #GDtlsClientConnection:validation-flags).
*
* Since: 2.48
*/
void
g_dtls_connection_set_database (GDtlsConnection *conn,
GTlsDatabase *database)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_return_if_fail (database == NULL || G_IS_TLS_DATABASE (database));
g_object_set (G_OBJECT (conn),
"database", database,
NULL);
}
/**
* g_dtls_connection_get_database:
* @conn: a #GDtlsConnection
*
* Gets the certificate database that @conn uses to verify
* peer certificates. See g_dtls_connection_set_database().
*
* Returns: (transfer none): the certificate database that @conn uses or %NULL
*
* Since: 2.48
*/
GTlsDatabase*
g_dtls_connection_get_database (GDtlsConnection *conn)
{
GTlsDatabase *database = NULL;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), NULL);
g_object_get (G_OBJECT (conn),
"database", &database,
NULL);
if (database)
g_object_unref (database);
return database;
}
/**
* g_dtls_connection_set_certificate:
* @conn: a #GDtlsConnection
* @certificate: the certificate to use for @conn
*
* 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
*/
void
g_dtls_connection_set_certificate (GDtlsConnection *conn,
GTlsCertificate *certificate)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_return_if_fail (G_IS_TLS_CERTIFICATE (certificate));
g_object_set (G_OBJECT (conn), "certificate", certificate, NULL);
}
/**
* g_dtls_connection_get_certificate:
* @conn: a #GDtlsConnection
*
* Gets @conn's certificate, as set by
* g_dtls_connection_set_certificate().
*
* Returns: (transfer none): @conn's certificate, or %NULL
*
* Since: 2.48
*/
GTlsCertificate *
g_dtls_connection_get_certificate (GDtlsConnection *conn)
{
GTlsCertificate *certificate;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), NULL);
g_object_get (G_OBJECT (conn), "certificate", &certificate, NULL);
if (certificate)
g_object_unref (certificate);
return certificate;
}
/**
* g_dtls_connection_set_interaction:
* @conn: a connection
* @interaction: (allow-none): an interaction object, or %NULL
*
* Set the object that will be used to interact with the user. It will be used
* for things like prompting the user for passwords.
*
* The @interaction argument will normally be a derived subclass of
* #GTlsInteraction. %NULL can also be provided if no user interaction
* should occur for this connection.
*
* Since: 2.48
*/
void
g_dtls_connection_set_interaction (GDtlsConnection *conn,
GTlsInteraction *interaction)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_return_if_fail (interaction == NULL || G_IS_TLS_INTERACTION (interaction));
g_object_set (G_OBJECT (conn), "interaction", interaction, NULL);
}
/**
* g_dtls_connection_get_interaction:
* @conn: a connection
*
* Get the object that will be used to interact with the user. It will be used
* for things like prompting the user for passwords. If %NULL is returned, then
* no user interaction will occur for this connection.
*
* Returns: (transfer none): The interaction object.
*
* Since: 2.48
*/
GTlsInteraction *
g_dtls_connection_get_interaction (GDtlsConnection *conn)
{
GTlsInteraction *interaction = NULL;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), NULL);
g_object_get (G_OBJECT (conn), "interaction", &interaction, NULL);
if (interaction)
g_object_unref (interaction);
return interaction;
}
/**
* g_dtls_connection_get_peer_certificate:
* @conn: a #GDtlsConnection
*
* Gets @conn's peer's certificate after the handshake has completed.
* (It is not set during the emission of
* #GDtlsConnection::accept-certificate.)
*
* Returns: (transfer none): @conn's peer's certificate, or %NULL
*
* Since: 2.48
*/
GTlsCertificate *
g_dtls_connection_get_peer_certificate (GDtlsConnection *conn)
{
GTlsCertificate *peer_certificate;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), NULL);
g_object_get (G_OBJECT (conn), "peer-certificate", &peer_certificate, NULL);
if (peer_certificate)
g_object_unref (peer_certificate);
return peer_certificate;
}
/**
* g_dtls_connection_get_peer_certificate_errors:
* @conn: a #GDtlsConnection
*
* Gets the errors associated with validating @conn's peer's
* certificate, after the handshake has completed. (It is not set
* during the emission of #GDtlsConnection::accept-certificate.)
*
* Returns: @conn's peer's certificate errors
*
* Since: 2.48
*/
GTlsCertificateFlags
g_dtls_connection_get_peer_certificate_errors (GDtlsConnection *conn)
{
GTlsCertificateFlags errors;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), 0);
g_object_get (G_OBJECT (conn), "peer-certificate-errors", &errors, NULL);
return errors;
}
/**
* g_dtls_connection_set_require_close_notify:
* @conn: a #GDtlsConnection
* @require_close_notify: whether or not to require close notification
*
* 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 #GDtlsConnection:base-socket rather
* than closing @conn itself.
*
* Since: 2.48
*/
void
g_dtls_connection_set_require_close_notify (GDtlsConnection *conn,
gboolean require_close_notify)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_object_set (G_OBJECT (conn),
"require-close-notify", require_close_notify,
NULL);
}
/**
* g_dtls_connection_get_require_close_notify:
* @conn: a #GDtlsConnection
*
* 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.
*
* Returns: %TRUE if @conn requires a proper TLS close notification.
*
* Since: 2.48
*/
gboolean
g_dtls_connection_get_require_close_notify (GDtlsConnection *conn)
{
gboolean require_close_notify;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), TRUE);
g_object_get (G_OBJECT (conn),
"require-close-notify", &require_close_notify,
NULL);
return require_close_notify;
}
/**
* g_dtls_connection_set_rehandshake_mode:
* @conn: a #GDtlsConnection
* @mode: the rehandshaking mode
*
* Sets how @conn behaves with respect to rehandshaking requests.
*
* %G_TLS_REHANDSHAKE_NEVER means that it will never agree to
* rehandshake after the initial handshake is complete. (For a client,
* this means it will refuse rehandshake requests from the server, and
* for a server, this means it will close the connection with an error
* if the client attempts to rehandshake.)
*
* %G_TLS_REHANDSHAKE_SAFELY means that the connection will allow a
* rehandshake only if the other end of the connection supports the
* TLS `renegotiation_info` extension. This is the default behavior,
* but means that rehandshaking will not work against older
* implementations that do not support that extension.
*
* %G_TLS_REHANDSHAKE_UNSAFELY means that the connection will allow
* rehandshaking even without the `renegotiation_info` extension. On
* the server side in particular, this is not recommended, since it
* leaves the server open to certain attacks. However, this mode is
* necessary if you need to allow renegotiation with older client
* software.
*
* Since: 2.48
*/
void
g_dtls_connection_set_rehandshake_mode (GDtlsConnection *conn,
GTlsRehandshakeMode mode)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_object_set (G_OBJECT (conn),
"rehandshake-mode", mode,
NULL);
}
/**
* g_dtls_connection_get_rehandshake_mode:
* @conn: a #GDtlsConnection
*
* Gets @conn rehandshaking mode. See
* g_dtls_connection_set_rehandshake_mode() for details.
*
* Returns: @conn's rehandshaking mode
*
* Since: 2.48
*/
GTlsRehandshakeMode
g_dtls_connection_get_rehandshake_mode (GDtlsConnection *conn)
{
GTlsRehandshakeMode mode;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), G_TLS_REHANDSHAKE_NEVER);
g_object_get (G_OBJECT (conn),
"rehandshake-mode", &mode,
NULL);
return mode;
}
/**
* g_dtls_connection_handshake:
* @conn: a #GDtlsConnection
* @cancellable: (allow-none): a #GCancellable, or %NULL
* @error: a #GError, or %NULL
*
* Attempts a TLS handshake on @conn.
*
* On the client side, it is never necessary to call this method;
* although the connection needs to perform a handshake after
* connecting (or after sending a "STARTTLS"-type command) and may
* need to rehandshake later if the server requests it,
* #GDtlsConnection will handle this for you automatically when you try
* to send or receive data on the connection. However, you can call
* g_dtls_connection_handshake() manually if you want to know for sure
* whether the initial handshake succeeded or failed (as opposed to
* just immediately trying to write to @conn, in which
* case if it fails, it may not be possible to tell if it failed
* before or after completing the handshake).
*
* Likewise, on the server side, although a handshake is necessary at
* the beginning of the communication, you do not need to call this
* function explicitly unless you want clearer error reporting.
* However, you may call g_dtls_connection_handshake() later on to
* renegotiate parameters (encryption methods, etc) with the client.
*
* #GDtlsConnection::accept_certificate may be emitted during the
* handshake.
*
* Returns: success or failure
*
* Since: 2.48
*/
gboolean
g_dtls_connection_handshake (GDtlsConnection *conn,
GCancellable *cancellable,
GError **error)
{
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
return G_DTLS_CONNECTION_GET_INTERFACE (conn)->handshake (conn, cancellable,
error);
}
/**
* g_dtls_connection_handshake_async:
* @conn: a #GDtlsConnection
* @io_priority: the [I/O priority][io-priority] of the request
* @cancellable: (allow-none): a #GCancellable, or %NULL
* @callback: callback to call when the handshake is complete
* @user_data: the data to pass to the callback function
*
* Asynchronously performs a TLS handshake on @conn. See
* g_dtls_connection_handshake() for more information.
*
* Since: 2.48
*/
void
g_dtls_connection_handshake_async (GDtlsConnection *conn,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
G_DTLS_CONNECTION_GET_INTERFACE (conn)->handshake_async (conn, io_priority,
cancellable,
callback, user_data);
}
/**
* g_dtls_connection_handshake_finish:
* @conn: a #GDtlsConnection
* @result: a #GAsyncResult.
* @error: a #GError pointer, or %NULL
*
* Finish an asynchronous TLS handshake operation. See
* g_dtls_connection_handshake() for more information.
*
* Returns: %TRUE on success, %FALSE on failure, in which
* case @error will be set.
*
* Since: 2.48
*/
gboolean
g_dtls_connection_handshake_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
return G_DTLS_CONNECTION_GET_INTERFACE (conn)->handshake_finish (conn,
result,
error);
}
/**
* g_dtls_connection_shutdown:
* @conn: a #GDtlsConnection
* @shutdown_read: %TRUE to stop reception of incoming datagrams
* @shutdown_write: %TRUE to stop sending outgoing datagrams
* @cancellable: (nullable): a #GCancellable, or %NULL
* @error: a #GError, or %NULL
*
* Shut down part or all of a DTLS connection.
*
* If @shutdown_read is %TRUE then the receiving side of the connection is shut
* down, and further reading is disallowed. Subsequent calls to
* g_datagram_based_receive_messages() will return %G_IO_ERROR_CLOSED.
*
* If @shutdown_write is %TRUE then the sending side of the connection is shut
* down, and further writing is disallowed. Subsequent calls to
* g_datagram_based_send_messages() will return %G_IO_ERROR_CLOSED.
*
* It is allowed for both @shutdown_read and @shutdown_write to be TRUE — this
* is equivalent to calling g_dtls_connection_close().
*
* If @cancellable is cancelled, the #GDtlsConnection may be left
* partially-closed and any pending untransmitted data may be lost. Call
* g_dtls_connection_shutdown() again to complete closing the #GDtlsConnection.
*
* Returns: %TRUE on success, %FALSE otherwise
*
* Since: 2.48
*/
gboolean
g_dtls_connection_shutdown (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
GCancellable *cancellable,
GError **error)
{
GDtlsConnectionInterface *iface;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable),
FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (!shutdown_read && !shutdown_write)
return TRUE;
iface = G_DTLS_CONNECTION_GET_INTERFACE (conn);
g_assert (iface->shutdown != NULL);
return iface->shutdown (conn, shutdown_read, shutdown_write,
cancellable, error);
}
/**
* g_dtls_connection_shutdown_async:
* @conn: a #GDtlsConnection
* @shutdown_read: %TRUE to stop reception of incoming datagrams
* @shutdown_write: %TRUE to stop sending outgoing datagrams
* @io_priority: the [I/O priority][io-priority] of the request
* @cancellable: (nullable): a #GCancellable, or %NULL
* @callback: callback to call when the shutdown operation is complete
* @user_data: the data to pass to the callback function
*
* Asynchronously shut down part or all of the DTLS connection. See
* g_dtls_connection_shutdown() for more information.
*
* Since: 2.48
*/
void
g_dtls_connection_shutdown_async (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GDtlsConnectionInterface *iface;
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
iface = G_DTLS_CONNECTION_GET_INTERFACE (conn);
g_assert (iface->shutdown_async != NULL);
iface->shutdown_async (conn, TRUE, TRUE, io_priority, cancellable,
callback, user_data);
}
/**
* g_dtls_connection_shutdown_finish:
* @conn: a #GDtlsConnection
* @result: a #GAsyncResult
* @error: a #GError pointer, or %NULL
*
* Finish an asynchronous TLS shutdown operation. See
* g_dtls_connection_shutdown() for more information.
*
* Returns: %TRUE on success, %FALSE on failure, in which
* case @error will be set
*
* Since: 2.48
*/
gboolean
g_dtls_connection_shutdown_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error)
{
GDtlsConnectionInterface *iface;
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
iface = G_DTLS_CONNECTION_GET_INTERFACE (conn);
g_assert (iface->shutdown_finish != NULL);
return iface->shutdown_finish (conn, result, error);
}
/**
* g_dtls_connection_close:
* @conn: a #GDtlsConnection
* @cancellable: (nullable): a #GCancellable, or %NULL
* @error: a #GError, or %NULL
*
* Close the DTLS connection. This is equivalent to calling
* g_dtls_connection_shutdown() to shut down both sides of the connection.
*
* Closing a #GDtlsConnection waits for all buffered but untransmitted data to
* be sent before it completes. It then sends a `close_notify` DTLS alert to the
* peer and may wait for a `close_notify` to be received from the peer. It does
* not close the underlying #GDtlsConnection:base-socket; that must be closed
* separately.
*
* Once @conn is closed, all other operations will return %G_IO_ERROR_CLOSED.
* Closing a #GDtlsConnection multiple times will not return an error.
*
* #GDtlsConnections will be automatically closed when the last reference is
* dropped, but you might want to call this function to make sure resources are
* released as early as possible.
*
* If @cancellable is cancelled, the #GDtlsConnection may be left
* partially-closed and any pending untransmitted data may be lost. Call
* g_dtls_connection_close() again to complete closing the #GDtlsConnection.
*
* Returns: %TRUE on success, %FALSE otherwise
*
* Since: 2.48
*/
gboolean
g_dtls_connection_close (GDtlsConnection *conn,
GCancellable *cancellable,
GError **error)
{
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
g_return_val_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable),
FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
return G_DTLS_CONNECTION_GET_INTERFACE (conn)->shutdown (conn, TRUE, TRUE,
cancellable, error);
}
/**
* g_dtls_connection_close_async:
* @conn: a #GDtlsConnection
* @io_priority: the [I/O priority][io-priority] of the request
* @cancellable: (nullable): a #GCancellable, or %NULL
* @callback: callback to call when the close operation is complete
* @user_data: the data to pass to the callback function
*
* Asynchronously close the DTLS connection. See g_dtls_connection_close() for
* more information.
*
* Since: 2.48
*/
void
g_dtls_connection_close_async (GDtlsConnection *conn,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_return_if_fail (G_IS_DTLS_CONNECTION (conn));
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
G_DTLS_CONNECTION_GET_INTERFACE (conn)->shutdown_async (conn, TRUE, TRUE,
io_priority,
cancellable,
callback, user_data);
}
/**
* g_dtls_connection_close_finish:
* @conn: a #GDtlsConnection
* @result: a #GAsyncResult
* @error: a #GError pointer, or %NULL
*
* Finish an asynchronous TLS close operation. See g_dtls_connection_close()
* for more information.
*
* Returns: %TRUE on success, %FALSE on failure, in which
* case @error will be set
*
* Since: 2.48
*/
gboolean
g_dtls_connection_close_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (G_IS_DTLS_CONNECTION (conn), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
return G_DTLS_CONNECTION_GET_INTERFACE (conn)->shutdown_finish (conn, result,
error);
}
/**
* g_dtls_connection_emit_accept_certificate:
* @conn: a #GDtlsConnection
* @peer_cert: the peer's #GTlsCertificate
* @errors: the problems with @peer_cert
*
* Used by #GDtlsConnection implementations to emit the
* #GDtlsConnection::accept-certificate signal.
*
* Returns: %TRUE if one of the signal handlers has returned
* %TRUE to accept @peer_cert
*
* Since: 2.48
*/
gboolean
g_dtls_connection_emit_accept_certificate (GDtlsConnection *conn,
GTlsCertificate *peer_cert,
GTlsCertificateFlags errors)
{
gboolean accept = FALSE;
g_signal_emit (conn, signals[ACCEPT_CERTIFICATE], 0,
peer_cert, errors, &accept);
return accept;
}

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc.
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_DTLS_CONNECTION_H__
#define __G_DTLS_CONNECTION_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/gdatagrambased.h>
G_BEGIN_DECLS
#define G_TYPE_DTLS_CONNECTION (g_dtls_connection_get_type ())
#define G_DTLS_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), G_TYPE_DTLS_CONNECTION, GDtlsConnection))
#define G_IS_DTLS_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_DTLS_CONNECTION))
#define G_DTLS_CONNECTION_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), G_TYPE_DTLS_CONNECTION, GDtlsConnectionInterface))
typedef struct _GDtlsConnectionInterface GDtlsConnectionInterface;
/**
* GDtlsConnectionInterface:
* @g_iface: The parent interface.
* @accept_certificate: Check whether to accept a certificate.
* @handshake: Perform a handshake operation.
* @handshake_async: Start an asynchronous handshake operation.
* @handshake_finish: Finish an asynchronous handshake operation.
* @shutdown: Shut down one or both directions of the connection.
* @shutdown_async: Start an asynchronous shutdown operation.
* @shutdown_finish: Finish an asynchronous shutdown operation.
*
* Virtual method table for a #GDtlsConnection implementation.
*
* Since: 2.48
*/
struct _GDtlsConnectionInterface
{
GTypeInterface g_iface;
/* signals */
gboolean (*accept_certificate) (GDtlsConnection *connection,
GTlsCertificate *peer_cert,
GTlsCertificateFlags errors);
/* methods */
gboolean (*handshake) (GDtlsConnection *conn,
GCancellable *cancellable,
GError **error);
void (*handshake_async) (GDtlsConnection *conn,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (*handshake_finish) (GDtlsConnection *conn,
GAsyncResult *result,
GError **error);
gboolean (*shutdown) (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
GCancellable *cancellable,
GError **error);
void (*shutdown_async) (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (*shutdown_finish) (GDtlsConnection *conn,
GAsyncResult *result,
GError **error);
};
GLIB_AVAILABLE_IN_2_48
GType g_dtls_connection_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_set_database (GDtlsConnection *conn,
GTlsDatabase *database);
GLIB_AVAILABLE_IN_2_48
GTlsDatabase *g_dtls_connection_get_database (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_set_certificate (GDtlsConnection *conn,
GTlsCertificate *certificate);
GLIB_AVAILABLE_IN_2_48
GTlsCertificate *g_dtls_connection_get_certificate (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_set_interaction (GDtlsConnection *conn,
GTlsInteraction *interaction);
GLIB_AVAILABLE_IN_2_48
GTlsInteraction *g_dtls_connection_get_interaction (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
GTlsCertificate *g_dtls_connection_get_peer_certificate (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
GTlsCertificateFlags g_dtls_connection_get_peer_certificate_errors (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_set_require_close_notify (GDtlsConnection *conn,
gboolean require_close_notify);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_get_require_close_notify (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_set_rehandshake_mode (GDtlsConnection *conn,
GTlsRehandshakeMode mode);
GLIB_AVAILABLE_IN_2_48
GTlsRehandshakeMode g_dtls_connection_get_rehandshake_mode (GDtlsConnection *conn);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_handshake (GDtlsConnection *conn,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_handshake_async (GDtlsConnection *conn,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_handshake_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_shutdown (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_shutdown_async (GDtlsConnection *conn,
gboolean shutdown_read,
gboolean shutdown_write,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_shutdown_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_close (GDtlsConnection *conn,
GCancellable *cancellable,
GError **error);
GLIB_AVAILABLE_IN_2_48
void g_dtls_connection_close_async (GDtlsConnection *conn,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_close_finish (GDtlsConnection *conn,
GAsyncResult *result,
GError **error);
/*< protected >*/
GLIB_AVAILABLE_IN_2_48
gboolean g_dtls_connection_emit_accept_certificate (GDtlsConnection *conn,
GTlsCertificate *peer_cert,
GTlsCertificateFlags errors);
G_END_DECLS
#endif /* __G_DTLS_CONNECTION_H__ */

95
gio/gdtlsserverconnection.c Normal file
View File

@ -0,0 +1,95 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "glib.h"
#include "gdtlsserverconnection.h"
#include "ginitable.h"
#include "gioenumtypes.h"
#include "gsocket.h"
#include "gtlsbackend.h"
#include "gtlscertificate.h"
#include "glibintl.h"
/**
* SECTION:gdtlsserverconnection
* @short_description: DTLS server-side connection
* @include: gio/gio.h
*
* #GDtlsServerConnection is the server-side subclass of #GDtlsConnection,
* representing a server-side DTLS connection.
*
* Since: 2.48
*/
G_DEFINE_INTERFACE (GDtlsServerConnection, g_dtls_server_connection,
G_TYPE_DTLS_CONNECTION)
static void
g_dtls_server_connection_default_init (GDtlsServerConnectionInterface *iface)
{
/**
* GDtlsServerConnection:authentication-mode:
*
* The #GTlsAuthenticationMode for the server. This can be changed
* before calling g_dtls_connection_handshake() if you want to
* rehandshake with a different mode from the initial handshake.
*
* Since: 2.48
*/
g_object_interface_install_property (iface,
g_param_spec_enum ("authentication-mode",
P_("Authentication Mode"),
P_("The client authentication mode"),
G_TYPE_TLS_AUTHENTICATION_MODE,
G_TLS_AUTHENTICATION_NONE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
}
/**
* g_dtls_server_connection_new:
* @base_socket: the #GDatagramBased to wrap
* @certificate: (allow-none): the default server certificate, or %NULL
* @error: #GError for error reporting, or %NULL to ignore
*
* Creates a new #GDtlsServerConnection wrapping @base_socket.
*
* Returns: (transfer full) (type GDtlsServerConnection): the new
* #GDtlsServerConnection, or %NULL on error
*
* Since: 2.48
*/
GDatagramBased *
g_dtls_server_connection_new (GDatagramBased *base_socket,
GTlsCertificate *certificate,
GError **error)
{
GObject *conn;
GTlsBackend *backend;
backend = g_tls_backend_get_default ();
conn = g_initable_new (g_tls_backend_get_dtls_server_connection_type (backend),
NULL, error,
"base-socket", base_socket,
"certificate", certificate,
NULL);
return G_DATAGRAM_BASED (conn);
}

69
gio/gdtlsserverconnection.h Normal file
View File

@ -0,0 +1,69 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc.
* Copyright © 2015 Collabora, Ltd.
*
* This library 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 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_DTLS_SERVER_CONNECTION_H__
#define __G_DTLS_SERVER_CONNECTION_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/gdtlsconnection.h>
G_BEGIN_DECLS
#define G_TYPE_DTLS_SERVER_CONNECTION (g_dtls_server_connection_get_type ())
#define G_DTLS_SERVER_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), G_TYPE_DTLS_SERVER_CONNECTION, GDtlsServerConnection))
#define G_IS_DTLS_SERVER_CONNECTION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_DTLS_SERVER_CONNECTION))
#define G_DTLS_SERVER_CONNECTION_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), G_TYPE_DTLS_SERVER_CONNECTION, GDtlsServerConnectionInterface))
/**
* GDtlsServerConnection:
*
* DTLS server-side connection. This is the server-side implementation
* of a #GDtlsConnection.
*
* Since: 2.48
*/
typedef struct _GDtlsServerConnectionInterface GDtlsServerConnectionInterface;
/**
* GDtlsServerConnectionInterface:
* @g_iface: The parent interface.
*
* vtable for a #GDtlsServerConnection implementation.
*
* Since: 2.48
*/
struct _GDtlsServerConnectionInterface
{
GTypeInterface g_iface;
};
GLIB_AVAILABLE_IN_2_48
GType g_dtls_server_connection_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_48
GDatagramBased *g_dtls_server_connection_new (GDatagramBased *base_socket,
GTlsCertificate *certificate,
GError **error);
G_END_DECLS
#endif /* __G_DTLS_SERVER_CONNECTION_H__ */

109
gio/gdummytlsbackend.c
View File

@ -1,6 +1,7 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2010 Red Hat, Inc.
* Copyright © 2015 Collabora, Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -25,6 +26,9 @@
#include "gasyncresult.h"
#include "gcancellable.h"
#include "ginitable.h"
#include "gdtlsclientconnection.h"
#include "gdtlsconnection.h"
#include "gdtlsserverconnection.h"
#include "gtlsbackend.h"
#include "gtlscertificate.h"
#include "gtlsclientconnection.h"
@ -39,6 +43,7 @@
static GType _g_dummy_tls_certificate_get_type (void);
static GType _g_dummy_tls_connection_get_type (void);
static GType _g_dummy_dtls_connection_get_type (void);
static GType _g_dummy_tls_database_get_type (void);
struct _GDummyTlsBackend {
@ -103,6 +108,8 @@ g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
iface->get_dtls_client_connection_type = _g_dummy_dtls_connection_get_type;
iface->get_dtls_server_connection_type = _g_dummy_dtls_connection_get_type;
iface->get_file_database_type = _g_dummy_tls_database_get_type;
iface->get_default_database = g_dummy_tls_backend_get_default_database;
}
@ -317,6 +324,108 @@ g_dummy_tls_connection_initable_iface_init (GInitableIface *iface)
iface->init = g_dummy_tls_connection_initable_init;
}
/* Dummy DTLS connection type; since GDtlsClientConnection and
* GDtlsServerConnection are just interfaces, we can implement them
* both on a single object.
*/
typedef struct _GDummyDtlsConnection GDummyDtlsConnection;
typedef struct _GDummyDtlsConnectionClass GDummyDtlsConnectionClass;
struct _GDummyDtlsConnection {
GObject parent_instance;
};
struct _GDummyDtlsConnectionClass {
GObjectClass parent_class;
};
enum
{
PROP_DTLS_CONN_BASE_SOCKET = 1,
PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY,
PROP_DTLS_CONN_REHANDSHAKE_MODE,
PROP_DTLS_CONN_CERTIFICATE,
PROP_DTLS_CONN_DATABASE,
PROP_DTLS_CONN_INTERACTION,
PROP_DTLS_CONN_PEER_CERTIFICATE,
PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS,
PROP_DTLS_CONN_VALIDATION_FLAGS,
PROP_DTLS_CONN_SERVER_IDENTITY,
PROP_DTLS_CONN_ENABLE_NEGOTIATION,
PROP_DTLS_CONN_ACCEPTED_CAS,
PROP_DTLS_CONN_AUTHENTICATION_MODE,
};
static void g_dummy_dtls_connection_initable_iface_init (GInitableIface *iface);
#define g_dummy_dtls_connection_get_type _g_dummy_dtls_connection_get_type
G_DEFINE_TYPE_WITH_CODE (GDummyDtlsConnection, g_dummy_dtls_connection, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CONNECTION, NULL);
G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CLIENT_CONNECTION, NULL);
G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_SERVER_CONNECTION, NULL);
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
g_dummy_dtls_connection_initable_iface_init);)
static void
g_dummy_dtls_connection_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
}
static void
g_dummy_dtls_connection_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
}
static void
g_dummy_dtls_connection_class_init (GDummyDtlsConnectionClass *connection_class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
gobject_class->get_property = g_dummy_dtls_connection_get_property;
gobject_class->set_property = g_dummy_dtls_connection_set_property;
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_BASE_SOCKET, "base-socket");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_CERTIFICATE, "certificate");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_DATABASE, "database");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_INTERACTION, "interaction");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE, "peer-certificate");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_VALIDATION_FLAGS, "validation-flags");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_SERVER_IDENTITY, "server-identity");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_ACCEPTED_CAS, "accepted-cas");
g_object_class_override_property (gobject_class, PROP_DTLS_CONN_AUTHENTICATION_MODE, "authentication-mode");
}
static void
g_dummy_dtls_connection_init (GDummyDtlsConnection *connection)
{
}
static gboolean
g_dummy_dtls_connection_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
_("DTLS support is not available"));
return FALSE;
}
static void
g_dummy_dtls_connection_initable_iface_init (GInitableIface *iface)
{
iface->init = g_dummy_dtls_connection_initable_init;
}
/* Dummy database type.
*/

3
gio/gio.h
View File

@ -60,6 +60,9 @@
#include <gio/gdbusserver.h>
#include <gio/gdbusutils.h>
#include <gio/gdrive.h>
#include <gio/gdtlsclientconnection.h>
#include <gio/gdtlsconnection.h>
#include <gio/gdtlsserverconnection.h>
#include <gio/gemblemedicon.h>
#include <gio/gfileattribute.h>
#include <gio/gfileenumerator.h>

3
gio/giotypes.h
View File

@ -223,6 +223,9 @@ typedef struct _GTcpWrapperConnection GTcpWrapperConnectio
* Since: 2.22
**/
typedef struct _GThreadedSocketService GThreadedSocketService;
typedef struct _GDtlsConnection GDtlsConnection;
typedef struct _GDtlsClientConnection GDtlsClientConnection; /* Dummy typedef */
typedef struct _GDtlsServerConnection GDtlsServerConnection; /* Dummy typedef */
typedef struct _GThemedIcon GThemedIcon;
typedef struct _GTlsCertificate GTlsCertificate;
typedef struct _GTlsClientConnection GTlsClientConnection; /* Dummy typedef */

68
gio/gtlsbackend.c
View File

@ -1,6 +1,7 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2010 Red Hat, Inc
* Copyright © 2015 Collabora, Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -34,7 +35,12 @@
* Security, previously known as SSL, Secure Sockets Layer) support for
* gio-based network streams.
*
* In the simplest case, for a client connection, you can just set the
* #GDtlsConnection and related classes provide DTLS (Datagram TLS) support for
* GIO-based network sockets, using the #GDatagramBased interface. The TLS and
* DTLS APIs are almost identical, except TLS is stream-based and DTLS is
* datagram-based. They share certificate and backend infrastructure.
*
* In the simplest case, for a client TLS connection, you can just set the
* #GSocketClient:tls flag on a #GSocketClient, and then any
* connections created by that client will have TLS negotiated
* automatically, using appropriate default settings, and rejecting
@ -61,7 +67,7 @@
* @short_description: TLS backend implementation
* @include: gio/gio.h
*
* TLS (Transport Layer Security, aka SSL) backend
* TLS (Transport Layer Security, aka SSL) and DTLS backend.
*
* Since: 2.28
*/
@ -69,7 +75,7 @@
/**
* GTlsBackend:
*
* TLS (Transport Layer Security, aka SSL) backend. This is an
* TLS (Transport Layer Security, aka SSL) and DTLS backend. This is an
* internal type used to coordinate the different classes implemented
* by a TLS backend.
*
@ -121,6 +127,28 @@ g_tls_backend_supports_tls (GTlsBackend *backend)
return TRUE;
}
/**
* g_tls_backend_supports_dtls:
* @backend: the #GTlsBackend
*
* Checks if DTLS is supported. DTLS support may not be available even if TLS
* support is available, and vice-versa.
*
* Returns: whether DTLS is supported
*
* Since: 2.48
*/
gboolean
g_tls_backend_supports_dtls (GTlsBackend *backend)
{
if (G_TLS_BACKEND_GET_INTERFACE (backend)->supports_dtls)
return G_TLS_BACKEND_GET_INTERFACE (backend)->supports_dtls (backend);
else if (G_IS_DUMMY_TLS_BACKEND (backend))
return FALSE;
else
return TRUE;
}
/**
* g_tls_backend_get_default_database:
* @backend: the #GTlsBackend
@ -195,6 +223,40 @@ g_tls_backend_get_server_connection_type (GTlsBackend *backend)
return G_TLS_BACKEND_GET_INTERFACE (backend)->get_server_connection_type ();
}
/**
* g_tls_backend_get_dtls_client_connection_type:
* @backend: the #GTlsBackend
*
* Gets the #GType of @backend’s #GDtlsClientConnection implementation.
*
* Returns: the #GType of @backend’s #GDtlsClientConnection
* implementation.
*
* Since: 2.48
*/
GType
g_tls_backend_get_dtls_client_connection_type (GTlsBackend *backend)
{
return G_TLS_BACKEND_GET_INTERFACE (backend)->get_dtls_client_connection_type ();
}
/**
* g_tls_backend_get_dtls_server_connection_type:
* @backend: the #GTlsBackend
*
* Gets the #GType of @backend’s #GDtlsServerConnection implementation.
*
* Returns: the #GType of @backend’s #GDtlsServerConnection
* implementation.
*
* Since: 2.48
*/
GType
g_tls_backend_get_dtls_server_connection_type (GTlsBackend *backend)
{
return G_TLS_BACKEND_GET_INTERFACE (backend)->get_dtls_server_connection_type ();
}
/**
* g_tls_backend_get_file_database_type:
* @backend: the #GTlsBackend

14
gio/gtlsbackend.h
View File

@ -1,6 +1,7 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2010 Red Hat, Inc.
* Copyright © 2015 Collabora, Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -47,11 +48,14 @@ typedef struct _GTlsBackendInterface GTlsBackendInterface;
* GTlsBackendInterface:
* @g_iface: The parent interface.
* @supports_tls: returns whether the backend supports TLS.
* @supports_dtls: returns whether the backend supports DTLS
* @get_default_database: returns a default #GTlsDatabase instance.
* @get_certificate_type: returns the #GTlsCertificate implementation type
* @get_client_connection_type: returns the #GTlsClientConnection implementation type
* @get_server_connection_type: returns the #GTlsServerConnection implementation type
* @get_file_database_type: returns the #GTlsFileDatabase implementation type.
* @get_dtls_client_connection_type: returns the #GDtlsClientConnection implementation type
* @get_dtls_server_connection_type: returns the #GDtlsServerConnection implementation type
*
* Provides an interface for describing TLS-related types.
*
@ -68,6 +72,9 @@ struct _GTlsBackendInterface
GType ( *get_server_connection_type) (void);
GType ( *get_file_database_type) (void);
GTlsDatabase * ( *get_default_database) (GTlsBackend *backend);
gboolean ( *supports_dtls) (GTlsBackend *backend);
GType ( *get_dtls_client_connection_type) (void);
GType ( *get_dtls_server_connection_type) (void);
};
GLIB_AVAILABLE_IN_ALL
@ -81,6 +88,8 @@ GTlsDatabase * g_tls_backend_get_default_database (GTlsBackend *backend);
GLIB_AVAILABLE_IN_ALL
gboolean g_tls_backend_supports_tls (GTlsBackend *backend);
GLIB_AVAILABLE_IN_2_48
gboolean g_tls_backend_supports_dtls (GTlsBackend *backend);
GLIB_AVAILABLE_IN_ALL
GType g_tls_backend_get_certificate_type (GTlsBackend *backend);
@ -91,6 +100,11 @@ GType g_tls_backend_get_server_connection_type (GTlsBackend *backend);
GLIB_AVAILABLE_IN_ALL
GType g_tls_backend_get_file_database_type (GTlsBackend *backend);
GLIB_AVAILABLE_IN_2_48
GType g_tls_backend_get_dtls_client_connection_type (GTlsBackend *backend);
GLIB_AVAILABLE_IN_2_48
GType g_tls_backend_get_dtls_server_connection_type (GTlsBackend *backend);
G_END_DECLS
#endif /* __G_TLS_BACKEND_H__ */

2
gio/gtlsconnection.c
View File

@ -40,6 +40,8 @@
* subclasses, #GTlsClientConnection and #GTlsServerConnection,
* implement client-side and server-side TLS, respectively.
*
* For DTLS (Datagram TLS) support, see #GDtlsConnection.
*
* Since: 2.28
*/

3
po/POTFILES.in
View File

@ -41,6 +41,9 @@ gio/gdbusserver.c
gio/gdbus-tool.c
gio/gdesktopappinfo.c
gio/gdrive.c
gio/gdtlsclientconnection.c
gio/gdtlsconnection.c
gio/gdtlsserverconnection.c
gio/gdummyfile.c
gio/gdummytlsbackend.c
gio/gemblem.c