gio/gdummytlsbackend.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2010 Red Hat, Inc.
   4  * Copyright © 2015 Collabora, Ltd.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General
  17  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "config.h"
  21
  22 #include "gdummytlsbackend.h"
  23
  24 #include <glib.h>
  25
  26 #include "gasyncresult.h"
  27 #include "gcancellable.h"
  28 #include "ginitable.h"
  29 #include "gdtlsclientconnection.h"
  30 #include "gdtlsconnection.h"
  31 #include "gdtlsserverconnection.h"
  32 #include "gtlsbackend.h"
  33 #include "gtlscertificate.h"
  34 #include "gtlsclientconnection.h"
  35 #include "gtlsdatabase.h"
  36 #include "gtlsfiledatabase.h"
  37 #include "gtlsserverconnection.h"
  38
  39 #include "giomodule.h"
  40 #include "giomodule-priv.h"
  41
  42 #include "glibintl.h"
  43
  44 static GType _g_dummy_tls_certificate_get_type (void);
  45 static GType _g_dummy_tls_connection_get_type (void);
  46 static GType _g_dummy_dtls_connection_get_type (void);
  47 static GType _g_dummy_tls_database_get_type (void);
  48
  49 struct _GDummyTlsBackend {
  50   GObject       parent_instance;
  51   GTlsDatabase *database;
  52 };
  53
  54 static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
  55
  56 #define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
  57 G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
  58                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
  59                                                 g_dummy_tls_backend_iface_init)
  60                          _g_io_modules_ensure_extension_points_registered ();
  61                          g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
  62                                                          g_define_type_id,
  63                                                          "dummy",
  64                                                          -100))
  65
  66 static void
  67 g_dummy_tls_backend_init (GDummyTlsBackend *dummy)
  68 {
  69 }
  70
  71 static void
  72 g_dummy_tls_backend_finalize (GObject *object)
  73 {
  74   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (object);
  75
  76   g_clear_object (&dummy->database);
  77
  78   G_OBJECT_CLASS (g_dummy_tls_backend_parent_class)->finalize (object);
  79 }
  80
  81 static void
  82 g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
  83 {
  84   GObjectClass *object_class = G_OBJECT_CLASS (backend_class);
  85
  86   object_class->finalize = g_dummy_tls_backend_finalize;
  87 }
  88
  89 static GTlsDatabase *
  90 g_dummy_tls_backend_get_default_database (GTlsBackend *backend)
  91 {
  92   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (backend);
  93
  94   if (g_once_init_enter (&dummy->database))
  95     {
  96       GTlsDatabase *tlsdb;
  97
  98       tlsdb = g_object_new (_g_dummy_tls_database_get_type (), NULL);
  99       g_once_init_leave (&dummy->database, tlsdb);
 100     }
 101
 102   return g_object_ref (dummy->database);
 103 }
 104
 105 static void
 106 g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
 107 {
 108   iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
 109   iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
 110   iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
 111   iface->get_dtls_client_connection_type = _g_dummy_dtls_connection_get_type;
 112   iface->get_dtls_server_connection_type = _g_dummy_dtls_connection_get_type;
 113   iface->get_file_database_type = _g_dummy_tls_database_get_type;
 114   iface->get_default_database = g_dummy_tls_backend_get_default_database;
 115 }
 116
 117 /* Dummy certificate type */
 118
 119 typedef struct _GDummyTlsCertificate      GDummyTlsCertificate;
 120 typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
 121
 122 struct _GDummyTlsCertificate {
 123   GTlsCertificate parent_instance;
 124 };
 125
 126 struct _GDummyTlsCertificateClass {
 127   GTlsCertificateClass parent_class;
 128 };
 129
 130 enum
 131 {
 132   PROP_CERTIFICATE_0,
 133
 134   PROP_CERT_CERTIFICATE,
 135   PROP_CERT_CERTIFICATE_PEM,
 136   PROP_CERT_PRIVATE_KEY,
 137   PROP_CERT_PRIVATE_KEY_PEM,
 138   PROP_CERT_ISSUER
 139 };
 140
 141 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 142
 143 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 144 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 145                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 146                                                 g_dummy_tls_certificate_initable_iface_init);)
 147
 148 static void
 149 g_dummy_tls_certificate_get_property (GObject    *object,
 150                                       guint       prop_id,
 151                                       GValue     *value,
 152                                       GParamSpec *pspec)
 153 {
 154   /* We need to define this method to make GObject happy, but it will
 155    * never be possible to construct a working GDummyTlsCertificate, so
 156    * it doesn't have to do anything useful.
 157    */
 158 }
 159
 160 static void
 161 g_dummy_tls_certificate_set_property (GObject      *object,
 162                                       guint         prop_id,
 163                                       const GValue *value,
 164                                       GParamSpec   *pspec)
 165 {
 166   /* Just ignore all attempts to set properties. */
 167 }
 168
 169 static void
 170 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 171 {
 172   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 173
 174   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 175   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 176
 177   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE, "certificate");
 178   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE_PEM, "certificate-pem");
 179   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY, "private-key");
 180   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY_PEM, "private-key-pem");
 181   g_object_class_override_property (gobject_class, PROP_CERT_ISSUER, "issuer");
 182 }
 183
 184 static void
 185 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 186 {
 187 }
 188
 189 static gboolean
 190 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 191                                        GCancellable    *cancellable,
 192                                        GError         **error)
 193 {
 194   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 195                        _("TLS support is not available"));
 196   return FALSE;
 197 }
 198
 199 static void
 200 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 201 {
 202   iface->init = g_dummy_tls_certificate_initable_init;
 203 }
 204
 205 /* Dummy connection type; since GTlsClientConnection and
 206  * GTlsServerConnection are just interfaces, we can implement them
 207  * both on a single object.
 208  */
 209
 210 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 211 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 212
 213 struct _GDummyTlsConnection {
 214   GTlsConnection parent_instance;
 215 };
 216
 217 struct _GDummyTlsConnectionClass {
 218   GTlsConnectionClass parent_class;
 219 };
 220
 221 enum
 222 {
 223   PROP_CONNECTION_0,
 224
 225   PROP_CONN_BASE_IO_STREAM,
 226   PROP_CONN_USE_SYSTEM_CERTDB,
 227   PROP_CONN_REQUIRE_CLOSE_NOTIFY,
 228   PROP_CONN_REHANDSHAKE_MODE,
 229   PROP_CONN_CERTIFICATE,
 230   PROP_CONN_DATABASE,
 231   PROP_CONN_INTERACTION,
 232   PROP_CONN_PEER_CERTIFICATE,
 233   PROP_CONN_PEER_CERTIFICATE_ERRORS,
 234   PROP_CONN_VALIDATION_FLAGS,
 235   PROP_CONN_SERVER_IDENTITY,
 236   PROP_CONN_USE_SSL3,
 237   PROP_CONN_ACCEPTED_CAS,
 238   PROP_CONN_AUTHENTICATION_MODE
 239 };
 240
 241 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 242
 243 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 244 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 245                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
 246                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
 247                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 248                                                 g_dummy_tls_connection_initable_iface_init);)
 249
 250 static void
 251 g_dummy_tls_connection_get_property (GObject    *object,
 252                                      guint       prop_id,
 253                                      GValue     *value,
 254                                      GParamSpec *pspec)
 255 {
 256 }
 257
 258 static void
 259 g_dummy_tls_connection_set_property (GObject      *object,
 260                                      guint         prop_id,
 261                                      const GValue *value,
 262                                      GParamSpec   *pspec)
 263 {
 264 }
 265
 266 static gboolean
 267 g_dummy_tls_connection_close (GIOStream     *stream,
 268                               GCancellable  *cancellable,
 269                               GError       **error)
 270 {
 271   return TRUE;
 272 }
 273
 274 static void
 275 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 276 {
 277   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 278   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 279
 280   gobject_class->get_property = g_dummy_tls_connection_get_property;
 281   gobject_class->set_property = g_dummy_tls_connection_set_property;
 282
 283   /* Need to override this because when initable_init fails it will
 284    * dispose the connection, which will close it, which would
 285    * otherwise try to close its input/output streams, which don't
 286    * exist.
 287    */
 288   io_stream_class->close_fn = g_dummy_tls_connection_close;
 289
 290   g_object_class_override_property (gobject_class, PROP_CONN_BASE_IO_STREAM, "base-io-stream");
 291   g_object_class_override_property (gobject_class, PROP_CONN_USE_SYSTEM_CERTDB, "use-system-certdb");
 292   g_object_class_override_property (gobject_class, PROP_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 293   g_object_class_override_property (gobject_class, PROP_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 294   g_object_class_override_property (gobject_class, PROP_CONN_CERTIFICATE, "certificate");
 295   g_object_class_override_property (gobject_class, PROP_CONN_DATABASE, "database");
 296   g_object_class_override_property (gobject_class, PROP_CONN_INTERACTION, "interaction");
 297   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE, "peer-certificate");
 298   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 299   g_object_class_override_property (gobject_class, PROP_CONN_VALIDATION_FLAGS, "validation-flags");
 300   g_object_class_override_property (gobject_class, PROP_CONN_SERVER_IDENTITY, "server-identity");
 301   g_object_class_override_property (gobject_class, PROP_CONN_USE_SSL3, "use-ssl3");
 302   g_object_class_override_property (gobject_class, PROP_CONN_ACCEPTED_CAS, "accepted-cas");
 303   g_object_class_override_property (gobject_class, PROP_CONN_AUTHENTICATION_MODE, "authentication-mode");
 304 }
 305
 306 static void
 307 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 308 {
 309 }
 310
 311 static gboolean
 312 g_dummy_tls_connection_initable_init (GInitable       *initable,
 313                                       GCancellable    *cancellable,
 314                                       GError         **error)
 315 {
 316   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 317                        _("TLS support is not available"));
 318   return FALSE;
 319 }
 320
 321 static void
 322 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 323 {
 324   iface->init = g_dummy_tls_connection_initable_init;
 325 }
 326
 327 /* Dummy DTLS connection type; since GDtlsClientConnection and
 328  * GDtlsServerConnection are just interfaces, we can implement them
 329  * both on a single object.
 330  */
 331
 332 typedef struct _GDummyDtlsConnection      GDummyDtlsConnection;
 333 typedef struct _GDummyDtlsConnectionClass GDummyDtlsConnectionClass;
 334
 335 struct _GDummyDtlsConnection {
 336   GObject parent_instance;
 337 };
 338
 339 struct _GDummyDtlsConnectionClass {
 340   GObjectClass parent_class;
 341 };
 342
 343 enum
 344 {
 345   PROP_DTLS_CONN_BASE_SOCKET = 1,
 346   PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY,
 347   PROP_DTLS_CONN_REHANDSHAKE_MODE,
 348   PROP_DTLS_CONN_CERTIFICATE,
 349   PROP_DTLS_CONN_DATABASE,
 350   PROP_DTLS_CONN_INTERACTION,
 351   PROP_DTLS_CONN_PEER_CERTIFICATE,
 352   PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS,
 353   PROP_DTLS_CONN_VALIDATION_FLAGS,
 354   PROP_DTLS_CONN_SERVER_IDENTITY,
 355   PROP_DTLS_CONN_ENABLE_NEGOTIATION,
 356   PROP_DTLS_CONN_ACCEPTED_CAS,
 357   PROP_DTLS_CONN_AUTHENTICATION_MODE,
 358 };
 359
 360 static void g_dummy_dtls_connection_initable_iface_init (GInitableIface *iface);
 361
 362 #define g_dummy_dtls_connection_get_type _g_dummy_dtls_connection_get_type
 363 G_DEFINE_TYPE_WITH_CODE (GDummyDtlsConnection, g_dummy_dtls_connection, G_TYPE_OBJECT,
 364                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CONNECTION, NULL);
 365                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CLIENT_CONNECTION, NULL);
 366                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_SERVER_CONNECTION, NULL);
 367                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 368                                                 g_dummy_dtls_connection_initable_iface_init);)
 369
 370 static void
 371 g_dummy_dtls_connection_get_property (GObject    *object,
 372                                       guint       prop_id,
 373                                       GValue     *value,
 374                                       GParamSpec *pspec)
 375 {
 376 }
 377
 378 static void
 379 g_dummy_dtls_connection_set_property (GObject      *object,
 380                                       guint         prop_id,
 381                                       const GValue *value,
 382                                       GParamSpec   *pspec)
 383 {
 384 }
 385
 386 static void
 387 g_dummy_dtls_connection_class_init (GDummyDtlsConnectionClass *connection_class)
 388 {
 389   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 390
 391   gobject_class->get_property = g_dummy_dtls_connection_get_property;
 392   gobject_class->set_property = g_dummy_dtls_connection_set_property;
 393
 394   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_BASE_SOCKET, "base-socket");
 395   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 396   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 397   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_CERTIFICATE, "certificate");
 398   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_DATABASE, "database");
 399   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_INTERACTION, "interaction");
 400   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE, "peer-certificate");
 401   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 402   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_VALIDATION_FLAGS, "validation-flags");
 403   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_SERVER_IDENTITY, "server-identity");
 404   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_ACCEPTED_CAS, "accepted-cas");
 405   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_AUTHENTICATION_MODE, "authentication-mode");
 406 }
 407
 408 static void
 409 g_dummy_dtls_connection_init (GDummyDtlsConnection *connection)
 410 {
 411 }
 412
 413 static gboolean
 414 g_dummy_dtls_connection_initable_init (GInitable       *initable,
 415                                        GCancellable    *cancellable,
 416                                        GError         **error)
 417 {
 418   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 419                        _("DTLS support is not available"));
 420   return FALSE;
 421 }
 422
 423 static void
 424 g_dummy_dtls_connection_initable_iface_init (GInitableIface  *iface)
 425 {
 426   iface->init = g_dummy_dtls_connection_initable_init;
 427 }
 428
 429 /* Dummy database type.
 430  */
 431
 432 typedef struct _GDummyTlsDatabase      GDummyTlsDatabase;
 433 typedef struct _GDummyTlsDatabaseClass GDummyTlsDatabaseClass;
 434
 435 struct _GDummyTlsDatabase {
 436   GTlsDatabase parent_instance;
 437 };
 438
 439 struct _GDummyTlsDatabaseClass {
 440   GTlsDatabaseClass parent_class;
 441 };
 442
 443 enum
 444 {
 445   PROP_DATABASE_0,
 446
 447   PROP_ANCHORS,
 448 };
 449
 450 static void g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface *iface);
 451 static void g_dummy_tls_database_initable_iface_init (GInitableIface *iface);
 452
 453 #define g_dummy_tls_database_get_type _g_dummy_tls_database_get_type
 454 G_DEFINE_TYPE_WITH_CODE (GDummyTlsDatabase, g_dummy_tls_database, G_TYPE_TLS_DATABASE,
 455                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_FILE_DATABASE,
 456                                                 g_dummy_tls_database_file_database_iface_init);
 457                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 458                                                 g_dummy_tls_database_initable_iface_init);)
 459
 460
 461 static void
 462 g_dummy_tls_database_get_property (GObject    *object,
 463                                    guint       prop_id,
 464                                    GValue     *value,
 465                                    GParamSpec *pspec)
 466 {
 467   /* We need to define this method to make GObject happy, but it will
 468    * never be possible to construct a working GDummyTlsDatabase, so
 469    * it doesn't have to do anything useful.
 470    */
 471 }
 472
 473 static void
 474 g_dummy_tls_database_set_property (GObject      *object,
 475                                    guint         prop_id,
 476                                    const GValue *value,
 477                                    GParamSpec   *pspec)
 478 {
 479   /* Just ignore all attempts to set properties. */
 480 }
 481
 482 static void
 483 g_dummy_tls_database_class_init (GDummyTlsDatabaseClass *database_class)
 484 {
 485   GObjectClass *gobject_class = G_OBJECT_CLASS (database_class);
 486
 487   gobject_class->get_property = g_dummy_tls_database_get_property;
 488   gobject_class->set_property = g_dummy_tls_database_set_property;
 489
 490   g_object_class_override_property (gobject_class, PROP_ANCHORS, "anchors");
 491 }
 492
 493 static void
 494 g_dummy_tls_database_init (GDummyTlsDatabase *database)
 495 {
 496 }
 497
 498 static void
 499 g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface  *iface)
 500 {
 501 }
 502
 503 static gboolean
 504 g_dummy_tls_database_initable_init (GInitable       *initable,
 505                                     GCancellable    *cancellable,
 506                                     GError         **error)
 507 {
 508   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 509                        _("TLS support is not available"));
 510   return FALSE;
 511 }
 512
 513 static void
 514 g_dummy_tls_database_initable_iface_init (GInitableIface  *iface)
 515 {
 516   iface->init = g_dummy_tls_database_initable_init;
 517 }