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  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General
  19  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "config.h"
  23
  24 #include "gdummytlsbackend.h"
  25
  26 #include <glib.h>
  27
  28 #include "gasyncresult.h"
  29 #include "gcancellable.h"
  30 #include "ginitable.h"
  31 #include "gdtlsclientconnection.h"
  32 #include "gdtlsconnection.h"
  33 #include "gdtlsserverconnection.h"
  34 #include "gtlsbackend.h"
  35 #include "gtlscertificate.h"
  36 #include "gtlsclientconnection.h"
  37 #include "gtlsdatabase.h"
  38 #include "gtlsfiledatabase.h"
  39 #include "gtlsserverconnection.h"
  40
  41 #include "giomodule.h"
  42 #include "giomodule-priv.h"
  43
  44 #include "glibintl.h"
  45
  46 static GType _g_dummy_tls_certificate_get_type (void);
  47 static GType _g_dummy_tls_connection_get_type (void);
  48 static GType _g_dummy_dtls_connection_get_type (void);
  49 static GType _g_dummy_tls_database_get_type (void);
  50
  51 struct _GDummyTlsBackend {
  52   GObject       parent_instance;
  53   GTlsDatabase *database;
  54 };
  55
  56 static void g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface);
  57
  58 #define g_dummy_tls_backend_get_type _g_dummy_tls_backend_get_type
  59 G_DEFINE_TYPE_WITH_CODE (GDummyTlsBackend, g_dummy_tls_backend, G_TYPE_OBJECT,
  60                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_BACKEND,
  61                                                 g_dummy_tls_backend_iface_init)
  62                          _g_io_modules_ensure_extension_points_registered ();
  63                          g_io_extension_point_implement (G_TLS_BACKEND_EXTENSION_POINT_NAME,
  64                                                          g_define_type_id,
  65                                                          "dummy",
  66                                                          -100);)
  67
  68 static void
  69 g_dummy_tls_backend_init (GDummyTlsBackend *dummy)
  70 {
  71 }
  72
  73 static void
  74 g_dummy_tls_backend_finalize (GObject *object)
  75 {
  76   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (object);
  77
  78   g_clear_object (&dummy->database);
  79
  80   G_OBJECT_CLASS (g_dummy_tls_backend_parent_class)->finalize (object);
  81 }
  82
  83 static void
  84 g_dummy_tls_backend_class_init (GDummyTlsBackendClass *backend_class)
  85 {
  86   GObjectClass *object_class = G_OBJECT_CLASS (backend_class);
  87
  88   object_class->finalize = g_dummy_tls_backend_finalize;
  89 }
  90
  91 static GTlsDatabase *
  92 g_dummy_tls_backend_get_default_database (GTlsBackend *backend)
  93 {
  94   GDummyTlsBackend *dummy = G_DUMMY_TLS_BACKEND (backend);
  95
  96   if (g_once_init_enter (&dummy->database))
  97     {
  98       GTlsDatabase *tlsdb;
  99
 100       tlsdb = g_object_new (_g_dummy_tls_database_get_type (), NULL);
 101       g_once_init_leave (&dummy->database, tlsdb);
 102     }
 103
 104   return g_object_ref (dummy->database);
 105 }
 106
 107 static void
 108 g_dummy_tls_backend_iface_init (GTlsBackendInterface *iface)
 109 {
 110   iface->get_certificate_type = _g_dummy_tls_certificate_get_type;
 111   iface->get_client_connection_type = _g_dummy_tls_connection_get_type;
 112   iface->get_server_connection_type = _g_dummy_tls_connection_get_type;
 113   iface->get_dtls_client_connection_type = _g_dummy_dtls_connection_get_type;
 114   iface->get_dtls_server_connection_type = _g_dummy_dtls_connection_get_type;
 115   iface->get_file_database_type = _g_dummy_tls_database_get_type;
 116   iface->get_default_database = g_dummy_tls_backend_get_default_database;
 117 }
 118
 119 /* Dummy certificate type */
 120
 121 typedef struct _GDummyTlsCertificate      GDummyTlsCertificate;
 122 typedef struct _GDummyTlsCertificateClass GDummyTlsCertificateClass;
 123
 124 struct _GDummyTlsCertificate {
 125   GTlsCertificate parent_instance;
 126 };
 127
 128 struct _GDummyTlsCertificateClass {
 129   GTlsCertificateClass parent_class;
 130 };
 131
 132 enum
 133 {
 134   PROP_CERTIFICATE_0,
 135
 136   PROP_CERT_CERTIFICATE,
 137   PROP_CERT_CERTIFICATE_PEM,
 138   PROP_CERT_PRIVATE_KEY,
 139   PROP_CERT_PRIVATE_KEY_PEM,
 140   PROP_CERT_ISSUER
 141 };
 142
 143 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 144
 145 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 146 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 147                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 148                                                 g_dummy_tls_certificate_initable_iface_init))
 149
 150 static void
 151 g_dummy_tls_certificate_get_property (GObject    *object,
 152                                       guint       prop_id,
 153                                       GValue     *value,
 154                                       GParamSpec *pspec)
 155 {
 156   /* We need to define this method to make GObject happy, but it will
 157    * never be possible to construct a working GDummyTlsCertificate, so
 158    * it doesn't have to do anything useful.
 159    */
 160 }
 161
 162 static void
 163 g_dummy_tls_certificate_set_property (GObject      *object,
 164                                       guint         prop_id,
 165                                       const GValue *value,
 166                                       GParamSpec   *pspec)
 167 {
 168   /* Just ignore all attempts to set properties. */
 169 }
 170
 171 static void
 172 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 173 {
 174   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 175
 176   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 177   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 178
 179   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE, "certificate");
 180   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE_PEM, "certificate-pem");
 181   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY, "private-key");
 182   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY_PEM, "private-key-pem");
 183   g_object_class_override_property (gobject_class, PROP_CERT_ISSUER, "issuer");
 184 }
 185
 186 static void
 187 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 188 {
 189 }
 190
 191 static gboolean
 192 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 193                                        GCancellable    *cancellable,
 194                                        GError         **error)
 195 {
 196   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 197                        _("TLS support is not available"));
 198   return FALSE;
 199 }
 200
 201 static void
 202 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 203 {
 204   iface->init = g_dummy_tls_certificate_initable_init;
 205 }
 206
 207 /* Dummy connection type; since GTlsClientConnection and
 208  * GTlsServerConnection are just interfaces, we can implement them
 209  * both on a single object.
 210  */
 211
 212 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 213 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 214
 215 struct _GDummyTlsConnection {
 216   GTlsConnection parent_instance;
 217 };
 218
 219 struct _GDummyTlsConnectionClass {
 220   GTlsConnectionClass parent_class;
 221 };
 222
 223 enum
 224 {
 225   PROP_CONNECTION_0,
 226
 227   PROP_CONN_BASE_IO_STREAM,
 228   PROP_CONN_USE_SYSTEM_CERTDB,
 229   PROP_CONN_REQUIRE_CLOSE_NOTIFY,
 230   PROP_CONN_REHANDSHAKE_MODE,
 231   PROP_CONN_CERTIFICATE,
 232   PROP_CONN_DATABASE,
 233   PROP_CONN_INTERACTION,
 234   PROP_CONN_PEER_CERTIFICATE,
 235   PROP_CONN_PEER_CERTIFICATE_ERRORS,
 236   PROP_CONN_VALIDATION_FLAGS,
 237   PROP_CONN_SERVER_IDENTITY,
 238   PROP_CONN_USE_SSL3,
 239   PROP_CONN_ACCEPTED_CAS,
 240   PROP_CONN_AUTHENTICATION_MODE,
 241   PROP_CONN_ADVERTISED_PROTOCOLS,
 242   PROP_CONN_NEGOTIATED_PROTOCOL,
 243 };
 244
 245 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 246
 247 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 248 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 249                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL)
 250                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL)
 251                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 252                                                 g_dummy_tls_connection_initable_iface_init))
 253
 254 static void
 255 g_dummy_tls_connection_get_property (GObject    *object,
 256                                      guint       prop_id,
 257                                      GValue     *value,
 258                                      GParamSpec *pspec)
 259 {
 260 }
 261
 262 static void
 263 g_dummy_tls_connection_set_property (GObject      *object,
 264                                      guint         prop_id,
 265                                      const GValue *value,
 266                                      GParamSpec   *pspec)
 267 {
 268 }
 269
 270 static gboolean
 271 g_dummy_tls_connection_close (GIOStream     *stream,
 272                               GCancellable  *cancellable,
 273                               GError       **error)
 274 {
 275   return TRUE;
 276 }
 277
 278 static void
 279 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 280 {
 281   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 282   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 283
 284   gobject_class->get_property = g_dummy_tls_connection_get_property;
 285   gobject_class->set_property = g_dummy_tls_connection_set_property;
 286
 287   /* Need to override this because when initable_init fails it will
 288    * dispose the connection, which will close it, which would
 289    * otherwise try to close its input/output streams, which don't
 290    * exist.
 291    */
 292   io_stream_class->close_fn = g_dummy_tls_connection_close;
 293
 294   g_object_class_override_property (gobject_class, PROP_CONN_BASE_IO_STREAM, "base-io-stream");
 295   g_object_class_override_property (gobject_class, PROP_CONN_USE_SYSTEM_CERTDB, "use-system-certdb");
 296   g_object_class_override_property (gobject_class, PROP_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 297   g_object_class_override_property (gobject_class, PROP_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 298   g_object_class_override_property (gobject_class, PROP_CONN_CERTIFICATE, "certificate");
 299   g_object_class_override_property (gobject_class, PROP_CONN_DATABASE, "database");
 300   g_object_class_override_property (gobject_class, PROP_CONN_INTERACTION, "interaction");
 301   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE, "peer-certificate");
 302   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 303   g_object_class_override_property (gobject_class, PROP_CONN_VALIDATION_FLAGS, "validation-flags");
 304   g_object_class_override_property (gobject_class, PROP_CONN_SERVER_IDENTITY, "server-identity");
 305   g_object_class_override_property (gobject_class, PROP_CONN_USE_SSL3, "use-ssl3");
 306   g_object_class_override_property (gobject_class, PROP_CONN_ACCEPTED_CAS, "accepted-cas");
 307   g_object_class_override_property (gobject_class, PROP_CONN_AUTHENTICATION_MODE, "authentication-mode");
 308   g_object_class_override_property (gobject_class, PROP_CONN_ADVERTISED_PROTOCOLS, "advertised-protocols");
 309   g_object_class_override_property (gobject_class, PROP_CONN_NEGOTIATED_PROTOCOL, "negotiated-protocol");
 310 }
 311
 312 static void
 313 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 314 {
 315 }
 316
 317 static gboolean
 318 g_dummy_tls_connection_initable_init (GInitable       *initable,
 319                                       GCancellable    *cancellable,
 320                                       GError         **error)
 321 {
 322   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 323                        _("TLS support is not available"));
 324   return FALSE;
 325 }
 326
 327 static void
 328 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 329 {
 330   iface->init = g_dummy_tls_connection_initable_init;
 331 }
 332
 333 /* Dummy DTLS connection type; since GDtlsClientConnection and
 334  * GDtlsServerConnection are just interfaces, we can implement them
 335  * both on a single object.
 336  */
 337
 338 typedef struct _GDummyDtlsConnection      GDummyDtlsConnection;
 339 typedef struct _GDummyDtlsConnectionClass GDummyDtlsConnectionClass;
 340
 341 struct _GDummyDtlsConnection {
 342   GObject parent_instance;
 343 };
 344
 345 struct _GDummyDtlsConnectionClass {
 346   GObjectClass parent_class;
 347 };
 348
 349 enum
 350 {
 351   PROP_DTLS_CONN_BASE_SOCKET = 1,
 352   PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY,
 353   PROP_DTLS_CONN_REHANDSHAKE_MODE,
 354   PROP_DTLS_CONN_CERTIFICATE,
 355   PROP_DTLS_CONN_DATABASE,
 356   PROP_DTLS_CONN_INTERACTION,
 357   PROP_DTLS_CONN_PEER_CERTIFICATE,
 358   PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS,
 359   PROP_DTLS_CONN_VALIDATION_FLAGS,
 360   PROP_DTLS_CONN_SERVER_IDENTITY,
 361   PROP_DTLS_CONN_ENABLE_NEGOTIATION,
 362   PROP_DTLS_CONN_ACCEPTED_CAS,
 363   PROP_DTLS_CONN_AUTHENTICATION_MODE,
 364 };
 365
 366 static void g_dummy_dtls_connection_initable_iface_init (GInitableIface *iface);
 367
 368 #define g_dummy_dtls_connection_get_type _g_dummy_dtls_connection_get_type
 369 G_DEFINE_TYPE_WITH_CODE (GDummyDtlsConnection, g_dummy_dtls_connection, G_TYPE_OBJECT,
 370                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CONNECTION, NULL);
 371                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_CLIENT_CONNECTION, NULL);
 372                          G_IMPLEMENT_INTERFACE (G_TYPE_DTLS_SERVER_CONNECTION, NULL);
 373                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 374                                                 g_dummy_dtls_connection_initable_iface_init);)
 375
 376 static void
 377 g_dummy_dtls_connection_get_property (GObject    *object,
 378                                       guint       prop_id,
 379                                       GValue     *value,
 380                                       GParamSpec *pspec)
 381 {
 382 }
 383
 384 static void
 385 g_dummy_dtls_connection_set_property (GObject      *object,
 386                                       guint         prop_id,
 387                                       const GValue *value,
 388                                       GParamSpec   *pspec)
 389 {
 390 }
 391
 392 static void
 393 g_dummy_dtls_connection_class_init (GDummyDtlsConnectionClass *connection_class)
 394 {
 395   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 396
 397   gobject_class->get_property = g_dummy_dtls_connection_get_property;
 398   gobject_class->set_property = g_dummy_dtls_connection_set_property;
 399
 400   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_BASE_SOCKET, "base-socket");
 401   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 402   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 403   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_CERTIFICATE, "certificate");
 404   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_DATABASE, "database");
 405   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_INTERACTION, "interaction");
 406   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE, "peer-certificate");
 407   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 408   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_VALIDATION_FLAGS, "validation-flags");
 409   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_SERVER_IDENTITY, "server-identity");
 410   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_ACCEPTED_CAS, "accepted-cas");
 411   g_object_class_override_property (gobject_class, PROP_DTLS_CONN_AUTHENTICATION_MODE, "authentication-mode");
 412 }
 413
 414 static void
 415 g_dummy_dtls_connection_init (GDummyDtlsConnection *connection)
 416 {
 417 }
 418
 419 static gboolean
 420 g_dummy_dtls_connection_initable_init (GInitable       *initable,
 421                                        GCancellable    *cancellable,
 422                                        GError         **error)
 423 {
 424   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 425                        _("DTLS support is not available"));
 426   return FALSE;
 427 }
 428
 429 static void
 430 g_dummy_dtls_connection_initable_iface_init (GInitableIface  *iface)
 431 {
 432   iface->init = g_dummy_dtls_connection_initable_init;
 433 }
 434
 435 /* Dummy database type.
 436  */
 437
 438 typedef struct _GDummyTlsDatabase      GDummyTlsDatabase;
 439 typedef struct _GDummyTlsDatabaseClass GDummyTlsDatabaseClass;
 440
 441 struct _GDummyTlsDatabase {
 442   GTlsDatabase parent_instance;
 443 };
 444
 445 struct _GDummyTlsDatabaseClass {
 446   GTlsDatabaseClass parent_class;
 447 };
 448
 449 enum
 450 {
 451   PROP_DATABASE_0,
 452
 453   PROP_ANCHORS,
 454 };
 455
 456 static void g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface *iface);
 457 static void g_dummy_tls_database_initable_iface_init (GInitableIface *iface);
 458
 459 #define g_dummy_tls_database_get_type _g_dummy_tls_database_get_type
 460 G_DEFINE_TYPE_WITH_CODE (GDummyTlsDatabase, g_dummy_tls_database, G_TYPE_TLS_DATABASE,
 461                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_FILE_DATABASE,
 462                                                 g_dummy_tls_database_file_database_iface_init)
 463                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 464                                                 g_dummy_tls_database_initable_iface_init))
 465
 466
 467 static void
 468 g_dummy_tls_database_get_property (GObject    *object,
 469                                    guint       prop_id,
 470                                    GValue     *value,
 471                                    GParamSpec *pspec)
 472 {
 473   /* We need to define this method to make GObject happy, but it will
 474    * never be possible to construct a working GDummyTlsDatabase, so
 475    * it doesn't have to do anything useful.
 476    */
 477 }
 478
 479 static void
 480 g_dummy_tls_database_set_property (GObject      *object,
 481                                    guint         prop_id,
 482                                    const GValue *value,
 483                                    GParamSpec   *pspec)
 484 {
 485   /* Just ignore all attempts to set properties. */
 486 }
 487
 488 static void
 489 g_dummy_tls_database_class_init (GDummyTlsDatabaseClass *database_class)
 490 {
 491   GObjectClass *gobject_class = G_OBJECT_CLASS (database_class);
 492
 493   gobject_class->get_property = g_dummy_tls_database_get_property;
 494   gobject_class->set_property = g_dummy_tls_database_set_property;
 495
 496   g_object_class_override_property (gobject_class, PROP_ANCHORS, "anchors");
 497 }
 498
 499 static void
 500 g_dummy_tls_database_init (GDummyTlsDatabase *database)
 501 {
 502 }
 503
 504 static void
 505 g_dummy_tls_database_file_database_iface_init (GTlsFileDatabaseInterface  *iface)
 506 {
 507 }
 508
 509 static gboolean
 510 g_dummy_tls_database_initable_init (GInitable       *initable,
 511                                     GCancellable    *cancellable,
 512                                     GError         **error)
 513 {
 514   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 515                        _("TLS support is not available"));
 516   return FALSE;
 517 }
 518
 519 static void
 520 g_dummy_tls_database_initable_iface_init (GInitableIface  *iface)
 521 {
 522   iface->init = g_dummy_tls_database_initable_init;
 523 }