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, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "config.h"
  20
  21 #include "gdummytlsbackend.h"
  22
  23 #include <glib.h>
  24
  25 #include "gasyncresult.h"
  26 #include "gcancellable.h"
  27 #include "ginitable.h"
  28 #include "gtlsbackend.h"
  29 #include "gtlscertificate.h"
  30 #include "gtlsclientconnection.h"
  31 #include "gtlsdatabase.h"
  32 #include "gtlsfiledatabase.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 static GType _g_dummy_tls_database_get_type (void);
  44
  45 struct _GDummyTlsBackend {
  46   GObject       parent_instance;
  47   GTlsDatabase *database;
  48 };
  49
  50 static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
  51
  52 #define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
  53 G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
  54                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
  55                                                 g_dummy_tls_backend_iface_init)
  56                          _g_io_modules_ensure_extension_points_registered ();
  57                          g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
  58                                                          g_define_type_id,
  59                                                          "dummy",
  60                                                          -100))
  61
  62 static void
  63 g_dummy_tls_backend_init (GDummyTlsBackend *dummy)
  64 {
  65 }
  66
  67 static void
  68 g_dummy_tls_backend_finalize (GObject *object)
  69 {
  70   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (object);
  71
  72   g_clear_object (&dummy->database);
  73
  74   G_OBJECT_CLASS (g_dummy_tls_backend_parent_class)->finalize (object);
  75 }
  76
  77 static void
  78 g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
  79 {
  80   GObjectClass *object_class = G_OBJECT_CLASS (backend_class);
  81
  82   object_class->finalize = g_dummy_tls_backend_finalize;
  83 }
  84
  85 static GTlsDatabase *
  86 g_dummy_tls_backend_get_default_database (GTlsBackend *backend)
  87 {
  88   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (backend);
  89
  90   if (g_once_init_enter (&dummy->database))
  91     {
  92       GTlsDatabase *tlsdb;
  93
  94       tlsdb = g_object_new (_g_dummy_tls_database_get_type (), NULL);
  95       g_once_init_leave (&dummy->database, tlsdb);
  96     }
  97
  98   return g_object_ref (dummy->database);
  99 }
 100
 101 static void
 102 g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
 103 {
 104   iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
 105   iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
 106   iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
 107   iface->get_file_database_type = _g_dummy_tls_database_get_type;
 108   iface->get_default_database = g_dummy_tls_backend_get_default_database;
 109 }
 110
 111 /* Dummy certificate type */
 112
 113 typedef struct _GDummyTlsCertificate      GDummyTlsCertificate;
 114 typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
 115
 116 struct _GDummyTlsCertificate {
 117   GTlsCertificate parent_instance;
 118 };
 119
 120 struct _GDummyTlsCertificateClass {
 121   GTlsCertificateClass parent_class;
 122 };
 123
 124 enum
 125 {
 126   PROP_CERTIFICATE_0,
 127
 128   PROP_CERT_CERTIFICATE,
 129   PROP_CERT_CERTIFICATE_PEM,
 130   PROP_CERT_PRIVATE_KEY,
 131   PROP_CERT_PRIVATE_KEY_PEM,
 132   PROP_CERT_ISSUER
 133 };
 134
 135 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 136
 137 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 138 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 139                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 140                                                 g_dummy_tls_certificate_initable_iface_init);)
 141
 142 static void
 143 g_dummy_tls_certificate_get_property (GObject    *object,
 144                                       guint       prop_id,
 145                                       GValue     *value,
 146                                       GParamSpec *pspec)
 147 {
 148   /* We need to define this method to make GObject happy, but it will
 149    * never be possible to construct a working GDummyTlsCertificate, so
 150    * it doesn't have to do anything useful.
 151    */
 152 }
 153
 154 static void
 155 g_dummy_tls_certificate_set_property (GObject      *object,
 156                                       guint         prop_id,
 157                                       const GValue *value,
 158                                       GParamSpec   *pspec)
 159 {
 160   /* Just ignore all attempts to set properties. */
 161 }
 162
 163 static void
 164 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 165 {
 166   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 167
 168   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 169   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 170
 171   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE, "certificate");
 172   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE_PEM, "certificate-pem");
 173   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY, "private-key");
 174   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY_PEM, "private-key-pem");
 175   g_object_class_override_property (gobject_class, PROP_CERT_ISSUER, "issuer");
 176 }
 177
 178 static void
 179 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 180 {
 181 }
 182
 183 static gboolean
 184 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 185                                        GCancellable    *cancellable,
 186                                        GError         **error)
 187 {
 188   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 189                        _("TLS support is not available"));
 190   return FALSE;
 191 }
 192
 193 static void
 194 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 195 {
 196   iface->init = g_dummy_tls_certificate_initable_init;
 197 }
 198
 199 /* Dummy connection type; since GTlsClientConnection and
 200  * GTlsServerConnection are just interfaces, we can implement them
 201  * both on a single object.
 202  */
 203
 204 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 205 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 206
 207 struct _GDummyTlsConnection {
 208   GTlsConnection parent_instance;
 209 };
 210
 211 struct _GDummyTlsConnectionClass {
 212   GTlsConnectionClass parent_class;
 213 };
 214
 215 enum
 216 {
 217   PROP_CONNECTION_0,
 218
 219   PROP_CONN_BASE_IO_STREAM,
 220   PROP_CONN_USE_SYSTEM_CERTDB,
 221   PROP_CONN_REQUIRE_CLOSE_NOTIFY,
 222   PROP_CONN_REHANDSHAKE_MODE,
 223   PROP_CONN_CERTIFICATE,
 224   PROP_CONN_DATABASE,
 225   PROP_CONN_PEER_CERTIFICATE,
 226   PROP_CONN_PEER_CERTIFICATE_ERRORS,
 227   PROP_CONN_VALIDATION_FLAGS,
 228   PROP_CONN_SERVER_IDENTITY,
 229   PROP_CONN_USE_SSL3,
 230   PROP_CONN_ACCEPTED_CAS,
 231   PROP_CONN_AUTHENTICATION_MODE
 232 };
 233
 234 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 235
 236 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 237 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 238                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
 239                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
 240                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 241                                                 g_dummy_tls_connection_initable_iface_init);)
 242
 243 static void
 244 g_dummy_tls_connection_get_property (GObject    *object,
 245                                      guint       prop_id,
 246                                      GValue     *value,
 247                                      GParamSpec *pspec)
 248 {
 249 }
 250
 251 static void
 252 g_dummy_tls_connection_set_property (GObject      *object,
 253                                      guint         prop_id,
 254                                      const GValue *value,
 255                                      GParamSpec   *pspec)
 256 {
 257 }
 258
 259 static gboolean
 260 g_dummy_tls_connection_close (GIOStream     *stream,
 261                               GCancellable  *cancellable,
 262                               GError       **error)
 263 {
 264   return TRUE;
 265 }
 266
 267 static void
 268 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 269 {
 270   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 271   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 272
 273   gobject_class->get_property = g_dummy_tls_connection_get_property;
 274   gobject_class->set_property = g_dummy_tls_connection_set_property;
 275
 276   /* Need to override this because when initable_init fails it will
 277    * dispose the connection, which will close it, which would
 278    * otherwise try to close its input/output streams, which don't
 279    * exist.
 280    */
 281   io_stream_class->close_fn = g_dummy_tls_connection_close;
 282
 283   g_object_class_override_property (gobject_class, PROP_CONN_BASE_IO_STREAM, "base-io-stream");
 284   g_object_class_override_property (gobject_class, PROP_CONN_USE_SYSTEM_CERTDB, "use-system-certdb");
 285   g_object_class_override_property (gobject_class, PROP_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 286   g_object_class_override_property (gobject_class, PROP_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 287   g_object_class_override_property (gobject_class, PROP_CONN_CERTIFICATE, "certificate");
 288   g_object_class_override_property (gobject_class, PROP_CONN_DATABASE, "database");
 289   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE, "peer-certificate");
 290   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 291   g_object_class_override_property (gobject_class, PROP_CONN_VALIDATION_FLAGS, "validation-flags");
 292   g_object_class_override_property (gobject_class, PROP_CONN_SERVER_IDENTITY, "server-identity");
 293   g_object_class_override_property (gobject_class, PROP_CONN_USE_SSL3, "use-ssl3");
 294   g_object_class_override_property (gobject_class, PROP_CONN_ACCEPTED_CAS, "accepted-cas");
 295   g_object_class_override_property (gobject_class, PROP_CONN_AUTHENTICATION_MODE, "authentication-mode");
 296 }
 297
 298 static void
 299 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 300 {
 301 }
 302
 303 static gboolean
 304 g_dummy_tls_connection_initable_init (GInitable       *initable,
 305                                       GCancellable    *cancellable,
 306                                       GError         **error)
 307 {
 308   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 309                        _("TLS support is not available"));
 310   return FALSE;
 311 }
 312
 313 static void
 314 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 315 {
 316   iface->init = g_dummy_tls_connection_initable_init;
 317 }
 318
 319 /* Dummy database type.
 320  */
 321
 322 typedef struct _GDummyTlsDatabase      GDummyTlsDatabase;
 323 typedef struct _GDummyTlsDatabaseClass GDummyTlsDatabaseClass;
 324
 325 struct _GDummyTlsDatabase {
 326   GTlsDatabase parent_instance;
 327 };
 328
 329 struct _GDummyTlsDatabaseClass {
 330   GTlsDatabaseClass parent_class;
 331 };
 332
 333 enum
 334 {
 335   PROP_DATABASE_0,
 336
 337   PROP_ANCHORS,
 338 };
 339
 340 static void g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface *iface);
 341 static void g_dummy_tls_database_initable_iface_init (GInitableIface *iface);
 342
 343 #define g_dummy_tls_database_get_type _g_dummy_tls_database_get_type
 344 G_DEFINE_TYPE_WITH_CODE (GDummyTlsDatabase, g_dummy_tls_database, G_TYPE_TLS_DATABASE,
 345                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_FILE_DATABASE,
 346                                                 g_dummy_tls_database_file_database_iface_init);
 347                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 348                                                 g_dummy_tls_database_initable_iface_init);)
 349
 350
 351 static void
 352 g_dummy_tls_database_get_property (GObject    *object,
 353                                    guint       prop_id,
 354                                    GValue     *value,
 355                                    GParamSpec *pspec)
 356 {
 357   /* We need to define this method to make GObject happy, but it will
 358    * never be possible to construct a working GDummyTlsDatabase, so
 359    * it doesn't have to do anything useful.
 360    */
 361 }
 362
 363 static void
 364 g_dummy_tls_database_set_property (GObject      *object,
 365                                    guint         prop_id,
 366                                    const GValue *value,
 367                                    GParamSpec   *pspec)
 368 {
 369   /* Just ignore all attempts to set properties. */
 370 }
 371
 372 static void
 373 g_dummy_tls_database_class_init (GDummyTlsDatabaseClass *database_class)
 374 {
 375   GObjectClass *gobject_class = G_OBJECT_CLASS (database_class);
 376
 377   gobject_class->get_property = g_dummy_tls_database_get_property;
 378   gobject_class->set_property = g_dummy_tls_database_set_property;
 379
 380   g_object_class_override_property (gobject_class, PROP_ANCHORS, "anchors");
 381 }
 382
 383 static void
 384 g_dummy_tls_database_init (GDummyTlsDatabase *database)
 385 {
 386 }
 387
 388 static void
 389 g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface  *iface)
 390 {
 391 }
 392
 393 static gboolean
 394 g_dummy_tls_database_initable_init (GInitable       *initable,
 395                                     GCancellable    *cancellable,
 396                                     GError         **error)
 397 {
 398   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 399                        _("TLS support is not available"));
 400   return FALSE;
 401 }
 402
 403 static void
 404 g_dummy_tls_database_initable_iface_init (GInitableIface  *iface)
 405 {
 406   iface->init = g_dummy_tls_database_initable_init;
 407 }