gio/gdummytlsbackend.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2010 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22
  23 #include "gdummytlsbackend.h"
  24
  25 #include <glib.h>
  26
  27 #include "gasyncresult.h"
  28 #include "gcancellable.h"
  29 #include "ginitable.h"
  30 #include "gtlsbackend.h"
  31 #include "gtlscertificate.h"
  32 #include "gtlsclientconnection.h"
  33 #include "gtlsserverconnection.h"
  34 #include "gsimpleasyncresult.h"
  35
  36 #include "giomodule.h"
  37 #include "giomodule-priv.h"
  38
  39 #include "glibintl.h"
  40
  41 static GType _g_dummy_tls_certificate_get_type (void);
  42 static GType _g_dummy_tls_connection_get_type (void);
  43
  44 struct _GDummyTlsBackend {
  45   GObject parent_instance;
  46 };
  47
  48 static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
  49
  50 #define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
  51 G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
  52                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
  53                                                 g_dummy_tls_backend_iface_init)
  54                          _g_io_modules_ensure_extension_points_registered ();
  55                          g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
  56                                                          g_define_type_id,
  57                                                          "dummy",
  58                                                          -100))
  59
  60 static void
  61 g_dummy_tls_backend_init (GDummyTlsBackend *backend)
  62 {
  63 }
  64
  65 static void
  66 g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
  67 {
  68 }
  69
  70 static void
  71 g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
  72 {
  73   iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
  74   iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
  75   iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
  76 }
  77
  78 /* Dummy certificate type */
  79
  80 typedef struct _GDummyTlsCertificate      GDummyTlsCertificate;
  81 typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
  82
  83 struct _GDummyTlsCertificate {
  84   GTlsCertificate parent_instance;
  85 };
  86
  87 struct _GDummyTlsCertificateClass {
  88   GTlsCertificateClass parent_class;
  89 };
  90
  91 enum
  92 {
  93   PROP_CERTIFICATE_0,
  94
  95   PROP_CERTIFICATE,
  96   PROP_CERTIFICATE_PEM,
  97   PROP_PRIVATE_KEY,
  98   PROP_PRIVATE_KEY_PEM
  99 };
 100
 101 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 102
 103 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 104 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 105                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 106                                                 g_dummy_tls_certificate_initable_iface_init);)
 107
 108 static void
 109 g_dummy_tls_certificate_get_property (GObject    *object,
 110                                       guint       prop_id,
 111                                       GValue     *value,
 112                                       GParamSpec *pspec)
 113 {
 114   /* We need to define this method to make GObject happy, but it will
 115    * never be possible to construct a working GDummyTlsCertificate, so
 116    * it doesn't have to do anything useful.
 117    */
 118 }
 119
 120 static void
 121 g_dummy_tls_certificate_set_property (GObject      *object,
 122                                       guint         prop_id,
 123                                       const GValue *value,
 124                                       GParamSpec   *pspec)
 125 {
 126   /* Just ignore all attempts to set properties. */
 127 }
 128
 129 static void
 130 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 131 {
 132   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 133
 134   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 135   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 136
 137   g_object_class_override_property (gobject_class, PROP_CERTIFICATE, "certificate");
 138   g_object_class_override_property (gobject_class, PROP_CERTIFICATE_PEM, "certificate-pem");
 139   g_object_class_override_property (gobject_class, PROP_PRIVATE_KEY, "private-key");
 140   g_object_class_override_property (gobject_class, PROP_PRIVATE_KEY_PEM, "private-key-pem");
 141 }
 142
 143 static void
 144 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 145 {
 146 }
 147
 148 static gboolean
 149 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 150                                        GCancellable    *cancellable,
 151                                        GError         **error)
 152 {
 153   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_MISC,
 154                        _("TLS support is not available"));
 155   return FALSE;
 156 }
 157
 158 static void
 159 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 160 {
 161   iface->init = g_dummy_tls_certificate_initable_init;
 162 }
 163
 164 /* Dummy connection type; since GTlsClientConnection and
 165  * GTlsServerConnection are just interfaces, we can implement them
 166  * both on a single object.
 167  */
 168
 169 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 170 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 171
 172 struct _GDummyTlsConnection {
 173   GTlsConnection parent_instance;
 174 };
 175
 176 struct _GDummyTlsConnectionClass {
 177   GTlsConnectionClass parent_class;
 178 };
 179
 180 enum
 181 {
 182   PROP_CONNECTION_0,
 183
 184   PROP_BASE_IO_STREAM,
 185   PROP_REQUIRE_CLOSE_NOTIFY,
 186   PROP_REHANDSHAKE_MODE,
 187   PROP_VALIDATION_FLAGS,
 188   PROP_SERVER_IDENTITY,
 189   PROP_USE_SSL3,
 190   PROP_ACCEPTED_CAS,
 191   PROP_AUTHENTICATION_MODE
 192 };
 193
 194 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 195
 196 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 197 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 198                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
 199                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
 200                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 201                                                 g_dummy_tls_connection_initable_iface_init);)
 202
 203 static void
 204 g_dummy_tls_connection_get_property (GObject    *object,
 205                                      guint       prop_id,
 206                                      GValue     *value,
 207                                      GParamSpec *pspec)
 208 {
 209 }
 210
 211 static void
 212 g_dummy_tls_connection_set_property (GObject      *object,
 213                                      guint         prop_id,
 214                                      const GValue *value,
 215                                      GParamSpec   *pspec)
 216 {
 217 }
 218
 219 static gboolean
 220 g_dummy_tls_connection_close (GIOStream     *stream,
 221                               GCancellable  *cancellable,
 222                               GError       **error)
 223 {
 224   return TRUE;
 225 }
 226
 227 static void
 228 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 229 {
 230   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 231   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 232
 233   gobject_class->get_property = g_dummy_tls_connection_get_property;
 234   gobject_class->set_property = g_dummy_tls_connection_set_property;
 235
 236   /* Need to override this because when initable_init fails it will
 237    * dispose the connection, which will close it, which would
 238    * otherwise try to close its input/output streams, which don't
 239    * exist.
 240    */
 241   io_stream_class->close_fn = g_dummy_tls_connection_close;
 242
 243   g_object_class_override_property (gobject_class, PROP_BASE_IO_STREAM, "base-io-stream");
 244   g_object_class_override_property (gobject_class, PROP_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 245   g_object_class_override_property (gobject_class, PROP_REHANDSHAKE_MODE, "rehandshake-mode");
 246   g_object_class_override_property (gobject_class, PROP_VALIDATION_FLAGS, "validation-flags");
 247   g_object_class_override_property (gobject_class, PROP_SERVER_IDENTITY, "server-identity");
 248   g_object_class_override_property (gobject_class, PROP_USE_SSL3, "use-ssl3");
 249   g_object_class_override_property (gobject_class, PROP_ACCEPTED_CAS, "accepted-cas");
 250   g_object_class_override_property (gobject_class, PROP_AUTHENTICATION_MODE, "authentication-mode");
 251
 252 }
 253
 254 static void
 255 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 256 {
 257 }
 258
 259 static gboolean
 260 g_dummy_tls_connection_initable_init (GInitable       *initable,
 261                                       GCancellable    *cancellable,
 262                                       GError         **error)
 263 {
 264   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_MISC,
 265                        _("TLS support is not available"));
 266   return FALSE;
 267 }
 268
 269 static void
 270 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 271 {
 272   iface->init = g_dummy_tls_connection_initable_init;
 273 }
 274