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Add initial TLS (SSL) support to gio
This adds an extension point for TLS connections to gio, with a gnutls-based implementation in glib-networking. Full TLS support is still a work in progress; the current API is missing some features, and parts of it may still be changed before 2.28. https://bugzilla.gnome.org/show_bug.cgi?id=588189
This commit is contained in:
Dan Winship
274
gio/gdummytlsbackend.c
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274
gio/gdummytlsbackend.c
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gdummytlsbackend.h"
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#include <glib.h>
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#include "gasyncresult.h"
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#include "gcancellable.h"
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#include "ginitable.h"
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#include "gtlsbackend.h"
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#include "gtlscertificate.h"
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#include "gtlsclientconnection.h"
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#include "gtlsserverconnection.h"
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#include "gsimpleasyncresult.h"
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#include "giomodule.h"
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#include "giomodule-priv.h"
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#include "glibintl.h"
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static GType _g_dummy_tls_certificate_get_type (void);
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static GType _g_dummy_tls_connection_get_type (void);
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struct _GDummyTlsBackend {
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GObject parent_instance;
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};
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static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
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#define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
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G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
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g_dummy_tls_backend_iface_init)
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_g_io_modules_ensure_extension_points_registered ();
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g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
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g_define_type_id,
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"dummy",
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-100))
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static void
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g_dummy_tls_backend_init (GDummyTlsBackend *backend)
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{
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}
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static void
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g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
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{
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}
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static void
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g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
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{
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iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
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iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
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iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
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}
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/* Dummy certificate type */
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typedef struct _GDummyTlsCertificate GDummyTlsCertificate;
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typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
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struct _GDummyTlsCertificate {
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GTlsCertificate parent_instance;
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};
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struct _GDummyTlsCertificateClass {
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GTlsCertificateClass parent_class;
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};
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enum
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{
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PROP_CERTIFICATE_0,
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PROP_CERTIFICATE,
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PROP_CERTIFICATE_PEM,
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PROP_PRIVATE_KEY,
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PROP_PRIVATE_KEY_PEM
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};
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static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
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#define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
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G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
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g_dummy_tls_certificate_initable_iface_init);)
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static void
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g_dummy_tls_certificate_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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/* We need to define this method to make GObject happy, but it will
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* never be possible to construct a working GDummyTlsCertificate, so
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* it doesn't have to do anything useful.
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*/
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}
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static void
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g_dummy_tls_certificate_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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/* Just ignore all attempts to set properties. */
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}
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static void
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g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
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gobject_class->get_property = g_dummy_tls_certificate_get_property;
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gobject_class->set_property = g_dummy_tls_certificate_set_property;
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g_object_class_override_property (gobject_class, PROP_CERTIFICATE, "certificate");
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g_object_class_override_property (gobject_class, PROP_CERTIFICATE_PEM, "certificate-pem");
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g_object_class_override_property (gobject_class, PROP_PRIVATE_KEY, "private-key");
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g_object_class_override_property (gobject_class, PROP_PRIVATE_KEY_PEM, "private-key-pem");
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}
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static void
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g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
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{
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}
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static gboolean
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g_dummy_tls_certificate_initable_init (GInitable *initable,
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GCancellable *cancellable,
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GError **error)
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{
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g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_MISC,
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_("TLS support is not available"));
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return FALSE;
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}
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static void
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g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface)
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{
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iface->init = g_dummy_tls_certificate_initable_init;
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}
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/* Dummy connection type; since GTlsClientConnection and
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* GTlsServerConnection are just interfaces, we can implement them
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* both on a single object.
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*/
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typedef struct _GDummyTlsConnection GDummyTlsConnection;
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typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
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struct _GDummyTlsConnection {
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GTlsConnection parent_instance;
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};
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struct _GDummyTlsConnectionClass {
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GTlsConnectionClass parent_class;
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};
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enum
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{
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PROP_CONNECTION_0,
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PROP_BASE_IO_STREAM,
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PROP_REQUIRE_CLOSE_NOTIFY,
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PROP_REHANDSHAKE_MODE,
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PROP_VALIDATION_FLAGS,
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PROP_SERVER_IDENTITY,
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PROP_USE_SSL3,
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PROP_ACCEPTED_CAS,
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PROP_AUTHENTICATION_MODE
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};
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static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
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#define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
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G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
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G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
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G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
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g_dummy_tls_connection_initable_iface_init);)
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static void
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g_dummy_tls_connection_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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}
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static void
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g_dummy_tls_connection_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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}
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static gboolean
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g_dummy_tls_connection_close (GIOStream *stream,
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GCancellable *cancellable,
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GError **error)
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{
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return TRUE;
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}
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static void
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g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
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GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
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gobject_class->get_property = g_dummy_tls_connection_get_property;
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gobject_class->set_property = g_dummy_tls_connection_set_property;
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/* Need to override this because when initable_init fails it will
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* dispose the connection, which will close it, which would
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* otherwise try to close its input/output streams, which don't
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* exist.
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*/
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io_stream_class->close_fn = g_dummy_tls_connection_close;
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g_object_class_override_property (gobject_class, PROP_BASE_IO_STREAM, "base-io-stream");
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g_object_class_override_property (gobject_class, PROP_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
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g_object_class_override_property (gobject_class, PROP_REHANDSHAKE_MODE, "rehandshake-mode");
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g_object_class_override_property (gobject_class, PROP_VALIDATION_FLAGS, "validation-flags");
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g_object_class_override_property (gobject_class, PROP_SERVER_IDENTITY, "server-identity");
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g_object_class_override_property (gobject_class, PROP_USE_SSL3, "use-ssl3");
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g_object_class_override_property (gobject_class, PROP_ACCEPTED_CAS, "accepted-cas");
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g_object_class_override_property (gobject_class, PROP_AUTHENTICATION_MODE, "authentication-mode");
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}
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static void
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g_dummy_tls_connection_init (GDummyTlsConnection *connection)
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{
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}
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static gboolean
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g_dummy_tls_connection_initable_init (GInitable *initable,
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GCancellable *cancellable,
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GError **error)
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{
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g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_MISC,
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_("TLS support is not available"));
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return FALSE;
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}
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static void
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g_dummy_tls_connection_initable_iface_init (GInitableIface *iface)
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{
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iface->init = g_dummy_tls_connection_initable_init;
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}
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