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 "gtlsdatabase.h"
  34 #include "gtlsfiledatabase.h"
  35 #include "gtlsserverconnection.h"
  36 #include "gsimpleasyncresult.h"
  37
  38 #include "giomodule.h"
  39 #include "giomodule-priv.h"
  40
  41 #include "glibintl.h"
  42
  43 static GType _g_dummy_tls_certificate_get_type (void);
  44 static GType _g_dummy_tls_connection_get_type (void);
  45 static GType _g_dummy_tls_database_get_type (void);
  46
  47 struct _GDummyTlsBackend {
  48   GObject       parent_instance;
  49   GTlsDatabase *database;
  50 };
  51
  52 static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
  53
  54 #define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
  55 G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
  56                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
  57                                                 g_dummy_tls_backend_iface_init)
  58                          _g_io_modules_ensure_extension_points_registered ();
  59                          g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
  60                                                          g_define_type_id,
  61                                                          "dummy",
  62                                                          -100))
  63
  64 static void
  65 g_dummy_tls_backend_init (GDummyTlsBackend *dummy)
  66 {
  67 }
  68
  69 static void
  70 g_dummy_tls_backend_finalize (GObject *object)
  71 {
  72   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (object);
  73
  74   g_clear_object (&dummy->database);
  75
  76   G_OBJECT_CLASS (g_dummy_tls_backend_parent_class)->finalize (object);
  77 }
  78
  79 static void
  80 g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
  81 {
  82   GObjectClass *object_class = G_OBJECT_CLASS (backend_class);
  83
  84   object_class->finalize = g_dummy_tls_backend_finalize;
  85 }
  86
  87 static GTlsDatabase *
  88 g_dummy_tls_backend_get_default_database (GTlsBackend *backend)
  89 {
  90   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (backend);
  91
  92   if (g_once_init_enter (&dummy->database))
  93     {
  94       GTlsDatabase *tlsdb;
  95
  96       tlsdb = g_object_new (_g_dummy_tls_database_get_type (), NULL);
  97       g_once_init_leave (&dummy->database, tlsdb);
  98     }
  99
 100   return g_object_ref (dummy->database);
 101 }
 102
 103 static void
 104 g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
 105 {
 106   iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
 107   iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
 108   iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
 109   iface->get_file_database_type = _g_dummy_tls_database_get_type;
 110   iface->get_default_database = g_dummy_tls_backend_get_default_database;
 111 }
 112
 113 /* Dummy certificate type */
 114
 115 typedef struct _GDummyTlsCertificate      GDummyTlsCertificate;
 116 typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
 117
 118 struct _GDummyTlsCertificate {
 119   GTlsCertificate parent_instance;
 120 };
 121
 122 struct _GDummyTlsCertificateClass {
 123   GTlsCertificateClass parent_class;
 124 };
 125
 126 enum
 127 {
 128   PROP_CERTIFICATE_0,
 129
 130   PROP_CERT_CERTIFICATE,
 131   PROP_CERT_CERTIFICATE_PEM,
 132   PROP_CERT_PRIVATE_KEY,
 133   PROP_CERT_PRIVATE_KEY_PEM,
 134   PROP_CERT_ISSUER
 135 };
 136
 137 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 138
 139 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 140 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 141                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 142                                                 g_dummy_tls_certificate_initable_iface_init);)
 143
 144 static void
 145 g_dummy_tls_certificate_get_property (GObject    *object,
 146                                       guint       prop_id,
 147                                       GValue     *value,
 148                                       GParamSpec *pspec)
 149 {
 150   /* We need to define this method to make GObject happy, but it will
 151    * never be possible to construct a working GDummyTlsCertificate, so
 152    * it doesn't have to do anything useful.
 153    */
 154 }
 155
 156 static void
 157 g_dummy_tls_certificate_set_property (GObject      *object,
 158                                       guint         prop_id,
 159                                       const GValue *value,
 160                                       GParamSpec   *pspec)
 161 {
 162   /* Just ignore all attempts to set properties. */
 163 }
 164
 165 static void
 166 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 167 {
 168   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 169
 170   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 171   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 172
 173   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE, "certificate");
 174   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE_PEM, "certificate-pem");
 175   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY, "private-key");
 176   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY_PEM, "private-key-pem");
 177   g_object_class_override_property (gobject_class, PROP_CERT_ISSUER, "issuer");
 178 }
 179
 180 static void
 181 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 182 {
 183 }
 184
 185 static gboolean
 186 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 187                                        GCancellable    *cancellable,
 188                                        GError         **error)
 189 {
 190   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 191                        _("TLS support is not available"));
 192   return FALSE;
 193 }
 194
 195 static void
 196 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 197 {
 198   iface->init = g_dummy_tls_certificate_initable_init;
 199 }
 200
 201 /* Dummy connection type; since GTlsClientConnection and
 202  * GTlsServerConnection are just interfaces, we can implement them
 203  * both on a single object.
 204  */
 205
 206 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 207 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 208
 209 struct _GDummyTlsConnection {
 210   GTlsConnection parent_instance;
 211 };
 212
 213 struct _GDummyTlsConnectionClass {
 214   GTlsConnectionClass parent_class;
 215 };
 216
 217 enum
 218 {
 219   PROP_CONNECTION_0,
 220
 221   PROP_CONN_BASE_IO_STREAM,
 222   PROP_CONN_USE_SYSTEM_CERTDB,
 223   PROP_CONN_REQUIRE_CLOSE_NOTIFY,
 224   PROP_CONN_REHANDSHAKE_MODE,
 225   PROP_CONN_CERTIFICATE,
 226   PROP_CONN_DATABASE,
 227   PROP_CONN_PEER_CERTIFICATE,
 228   PROP_CONN_PEER_CERTIFICATE_ERRORS,
 229   PROP_CONN_VALIDATION_FLAGS,
 230   PROP_CONN_SERVER_IDENTITY,
 231   PROP_CONN_USE_SSL3,
 232   PROP_CONN_ACCEPTED_CAS,
 233   PROP_CONN_AUTHENTICATION_MODE
 234 };
 235
 236 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 237
 238 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 239 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 240                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
 241                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
 242                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 243                                                 g_dummy_tls_connection_initable_iface_init);)
 244
 245 static void
 246 g_dummy_tls_connection_get_property (GObject    *object,
 247                                      guint       prop_id,
 248                                      GValue     *value,
 249                                      GParamSpec *pspec)
 250 {
 251 }
 252
 253 static void
 254 g_dummy_tls_connection_set_property (GObject      *object,
 255                                      guint         prop_id,
 256                                      const GValue *value,
 257                                      GParamSpec   *pspec)
 258 {
 259 }
 260
 261 static gboolean
 262 g_dummy_tls_connection_close (GIOStream     *stream,
 263                               GCancellable  *cancellable,
 264                               GError       **error)
 265 {
 266   return TRUE;
 267 }
 268
 269 static void
 270 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 271 {
 272   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 273   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 274
 275   gobject_class->get_property = g_dummy_tls_connection_get_property;
 276   gobject_class->set_property = g_dummy_tls_connection_set_property;
 277
 278   /* Need to override this because when initable_init fails it will
 279    * dispose the connection, which will close it, which would
 280    * otherwise try to close its input/output streams, which don't
 281    * exist.
 282    */
 283   io_stream_class->close_fn = g_dummy_tls_connection_close;
 284
 285   g_object_class_override_property (gobject_class, PROP_CONN_BASE_IO_STREAM, "base-io-stream");
 286   g_object_class_override_property (gobject_class, PROP_CONN_USE_SYSTEM_CERTDB, "use-system-certdb");
 287   g_object_class_override_property (gobject_class, PROP_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 288   g_object_class_override_property (gobject_class, PROP_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 289   g_object_class_override_property (gobject_class, PROP_CONN_CERTIFICATE, "certificate");
 290   g_object_class_override_property (gobject_class, PROP_CONN_DATABASE, "database");
 291   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE, "peer-certificate");
 292   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 293   g_object_class_override_property (gobject_class, PROP_CONN_VALIDATION_FLAGS, "validation-flags");
 294   g_object_class_override_property (gobject_class, PROP_CONN_SERVER_IDENTITY, "server-identity");
 295   g_object_class_override_property (gobject_class, PROP_CONN_USE_SSL3, "use-ssl3");
 296   g_object_class_override_property (gobject_class, PROP_CONN_ACCEPTED_CAS, "accepted-cas");
 297   g_object_class_override_property (gobject_class, PROP_CONN_AUTHENTICATION_MODE, "authentication-mode");
 298 }
 299
 300 static void
 301 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 302 {
 303 }
 304
 305 static gboolean
 306 g_dummy_tls_connection_initable_init (GInitable       *initable,
 307                                       GCancellable    *cancellable,
 308                                       GError         **error)
 309 {
 310   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 311                        _("TLS support is not available"));
 312   return FALSE;
 313 }
 314
 315 static void
 316 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 317 {
 318   iface->init = g_dummy_tls_connection_initable_init;
 319 }
 320
 321 /* Dummy database type.
 322  */
 323
 324 typedef struct _GDummyTlsDatabase      GDummyTlsDatabase;
 325 typedef struct _GDummyTlsDatabaseClass GDummyTlsDatabaseClass;
 326
 327 struct _GDummyTlsDatabase {
 328   GTlsDatabase parent_instance;
 329 };
 330
 331 struct _GDummyTlsDatabaseClass {
 332   GTlsDatabaseClass parent_class;
 333 };
 334
 335 enum
 336 {
 337   PROP_DATABASE_0,
 338
 339   PROP_ANCHORS,
 340 };
 341
 342 static void g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface *iface);
 343 static void g_dummy_tls_database_initable_iface_init (GInitableIface *iface);
 344
 345 #define g_dummy_tls_database_get_type _g_dummy_tls_database_get_type
 346 G_DEFINE_TYPE_WITH_CODE (GDummyTlsDatabase, g_dummy_tls_database, G_TYPE_TLS_DATABASE,
 347                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_FILE_DATABASE,
 348                                                 g_dummy_tls_database_file_database_iface_init);
 349                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 350                                                 g_dummy_tls_database_initable_iface_init);)
 351
 352
 353 static void
 354 g_dummy_tls_database_get_property (GObject    *object,
 355                                    guint       prop_id,
 356                                    GValue     *value,
 357                                    GParamSpec *pspec)
 358 {
 359   /* We need to define this method to make GObject happy, but it will
 360    * never be possible to construct a working GDummyTlsDatabase, so
 361    * it doesn't have to do anything useful.
 362    */
 363 }
 364
 365 static void
 366 g_dummy_tls_database_set_property (GObject      *object,
 367                                    guint         prop_id,
 368                                    const GValue *value,
 369                                    GParamSpec   *pspec)
 370 {
 371   /* Just ignore all attempts to set properties. */
 372 }
 373
 374 static void
 375 g_dummy_tls_database_class_init (GDummyTlsDatabaseClass *database_class)
 376 {
 377   GObjectClass *gobject_class = G_OBJECT_CLASS (database_class);
 378
 379   gobject_class->get_property = g_dummy_tls_database_get_property;
 380   gobject_class->set_property = g_dummy_tls_database_set_property;
 381
 382   g_object_class_override_property (gobject_class, PROP_ANCHORS, "anchors");
 383 }
 384
 385 static void
 386 g_dummy_tls_database_init (GDummyTlsDatabase *database)
 387 {
 388 }
 389
 390 static void
 391 g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface  *iface)
 392 {
 393 }
 394
 395 static gboolean
 396 g_dummy_tls_database_initable_init (GInitable       *initable,
 397                                     GCancellable    *cancellable,
 398                                     GError         **error)
 399 {
 400   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 401                        _("TLS support is not available"));
 402   return FALSE;
 403 }
 404
 405 static void
 406 g_dummy_tls_database_initable_iface_init (GInitableIface  *iface)
 407 {
 408   iface->init = g_dummy_tls_database_initable_init;
 409 }