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_CERT_CERTIFICATE,
  96   PROP_CERT_CERTIFICATE_PEM,
  97   PROP_CERT_PRIVATE_KEY,
  98   PROP_CERT_PRIVATE_KEY_PEM,
  99   PROP_CERT_ISSUER
 100 };
 101
 102 static void g_dummy_tls_certificate_initable_iface_init (GInitableIface *iface);
 103
 104 #define g_dummy_tls_certificate_get_type _g_dummy_tls_certificate_get_type
 105 G_DEFINE_TYPE_WITH_CODE (GDummyTlsCertificate, g_dummy_tls_certificate, G_TYPE_TLS_CERTIFICATE,
 106                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 107                                                 g_dummy_tls_certificate_initable_iface_init);)
 108
 109 static void
 110 g_dummy_tls_certificate_get_property (GObject    *object,
 111                                       guint       prop_id,
 112                                       GValue     *value,
 113                                       GParamSpec *pspec)
 114 {
 115   /* We need to define this method to make GObject happy, but it will
 116    * never be possible to construct a working GDummyTlsCertificate, so
 117    * it doesn't have to do anything useful.
 118    */
 119 }
 120
 121 static void
 122 g_dummy_tls_certificate_set_property (GObject      *object,
 123                                       guint         prop_id,
 124                                       const GValue *value,
 125                                       GParamSpec   *pspec)
 126 {
 127   /* Just ignore all attempts to set properties. */
 128 }
 129
 130 static void
 131 g_dummy_tls_certificate_class_init (GDummyTlsCertificateClass *certificate_class)
 132 {
 133   GObjectClass *gobject_class = G_OBJECT_CLASS (certificate_class);
 134
 135   gobject_class->get_property = g_dummy_tls_certificate_get_property;
 136   gobject_class->set_property = g_dummy_tls_certificate_set_property;
 137
 138   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE, "certificate");
 139   g_object_class_override_property (gobject_class, PROP_CERT_CERTIFICATE_PEM, "certificate-pem");
 140   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY, "private-key");
 141   g_object_class_override_property (gobject_class, PROP_CERT_PRIVATE_KEY_PEM, "private-key-pem");
 142   g_object_class_override_property (gobject_class, PROP_CERT_ISSUER, "issuer");
 143 }
 144
 145 static void
 146 g_dummy_tls_certificate_init (GDummyTlsCertificate *certificate)
 147 {
 148 }
 149
 150 static gboolean
 151 g_dummy_tls_certificate_initable_init (GInitable       *initable,
 152                                        GCancellable    *cancellable,
 153                                        GError         **error)
 154 {
 155   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 156                        _("TLS support is not available"));
 157   return FALSE;
 158 }
 159
 160 static void
 161 g_dummy_tls_certificate_initable_iface_init (GInitableIface  *iface)
 162 {
 163   iface->init = g_dummy_tls_certificate_initable_init;
 164 }
 165
 166 /* Dummy connection type; since GTlsClientConnection and
 167  * GTlsServerConnection are just interfaces, we can implement them
 168  * both on a single object.
 169  */
 170
 171 typedef struct _GDummyTlsConnection      GDummyTlsConnection;
 172 typedef struct _GDummyTlsConnectionClass GDummyTlsConnectionClass;
 173
 174 struct _GDummyTlsConnection {
 175   GTlsConnection parent_instance;
 176 };
 177
 178 struct _GDummyTlsConnectionClass {
 179   GTlsConnectionClass parent_class;
 180 };
 181
 182 enum
 183 {
 184   PROP_CONNECTION_0,
 185
 186   PROP_CONN_BASE_IO_STREAM,
 187   PROP_CONN_USE_SYSTEM_CERTDB,
 188   PROP_CONN_REQUIRE_CLOSE_NOTIFY,
 189   PROP_CONN_REHANDSHAKE_MODE,
 190   PROP_CONN_CERTIFICATE,
 191   PROP_CONN_PEER_CERTIFICATE,
 192   PROP_CONN_PEER_CERTIFICATE_ERRORS,
 193   PROP_CONN_VALIDATION_FLAGS,
 194   PROP_CONN_SERVER_IDENTITY,
 195   PROP_CONN_USE_SSL3,
 196   PROP_CONN_ACCEPTED_CAS,
 197   PROP_CONN_AUTHENTICATION_MODE
 198 };
 199
 200 static void g_dummy_tls_connection_initable_iface_init (GInitableIface *iface);
 201
 202 #define g_dummy_tls_connection_get_type _g_dummy_tls_connection_get_type
 203 G_DEFINE_TYPE_WITH_CODE (GDummyTlsConnection, g_dummy_tls_connection, G_TYPE_TLS_CONNECTION,
 204                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_CLIENT_CONNECTION, NULL);
 205                          G_IMPLEMENT_INTERFACE (G_TYPE_TLS_SERVER_CONNECTION, NULL);
 206                          G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
 207                                                 g_dummy_tls_connection_initable_iface_init);)
 208
 209 static void
 210 g_dummy_tls_connection_get_property (GObject    *object,
 211                                      guint       prop_id,
 212                                      GValue     *value,
 213                                      GParamSpec *pspec)
 214 {
 215 }
 216
 217 static void
 218 g_dummy_tls_connection_set_property (GObject      *object,
 219                                      guint         prop_id,
 220                                      const GValue *value,
 221                                      GParamSpec   *pspec)
 222 {
 223 }
 224
 225 static gboolean
 226 g_dummy_tls_connection_close (GIOStream     *stream,
 227                               GCancellable  *cancellable,
 228                               GError       **error)
 229 {
 230   return TRUE;
 231 }
 232
 233 static void
 234 g_dummy_tls_connection_class_init (GDummyTlsConnectionClass *connection_class)
 235 {
 236   GObjectClass *gobject_class = G_OBJECT_CLASS (connection_class);
 237   GIOStreamClass *io_stream_class = G_IO_STREAM_CLASS (connection_class);
 238
 239   gobject_class->get_property = g_dummy_tls_connection_get_property;
 240   gobject_class->set_property = g_dummy_tls_connection_set_property;
 241
 242   /* Need to override this because when initable_init fails it will
 243    * dispose the connection, which will close it, which would
 244    * otherwise try to close its input/output streams, which don't
 245    * exist.
 246    */
 247   io_stream_class->close_fn = g_dummy_tls_connection_close;
 248
 249   g_object_class_override_property (gobject_class, PROP_CONN_BASE_IO_STREAM, "base-io-stream");
 250   g_object_class_override_property (gobject_class, PROP_CONN_USE_SYSTEM_CERTDB, "use-system-certdb");
 251   g_object_class_override_property (gobject_class, PROP_CONN_REQUIRE_CLOSE_NOTIFY, "require-close-notify");
 252   g_object_class_override_property (gobject_class, PROP_CONN_REHANDSHAKE_MODE, "rehandshake-mode");
 253   g_object_class_override_property (gobject_class, PROP_CONN_CERTIFICATE, "certificate");
 254   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE, "peer-certificate");
 255   g_object_class_override_property (gobject_class, PROP_CONN_PEER_CERTIFICATE_ERRORS, "peer-certificate-errors");
 256   g_object_class_override_property (gobject_class, PROP_CONN_VALIDATION_FLAGS, "validation-flags");
 257   g_object_class_override_property (gobject_class, PROP_CONN_SERVER_IDENTITY, "server-identity");
 258   g_object_class_override_property (gobject_class, PROP_CONN_USE_SSL3, "use-ssl3");
 259   g_object_class_override_property (gobject_class, PROP_CONN_ACCEPTED_CAS, "accepted-cas");
 260   g_object_class_override_property (gobject_class, PROP_CONN_AUTHENTICATION_MODE, "authentication-mode");
 261 }
 262
 263 static void
 264 g_dummy_tls_connection_init (GDummyTlsConnection *connection)
 265 {
 266 }
 267
 268 static gboolean
 269 g_dummy_tls_connection_initable_init (GInitable       *initable,
 270                                       GCancellable    *cancellable,
 271                                       GError         **error)
 272 {
 273   g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_UNAVAILABLE,
 274                        _("TLS support is not available"));
 275   return FALSE;
 276 }
 277
 278 static void
 279 g_dummy_tls_connection_initable_iface_init (GInitableIface  *iface)
 280 {
 281   iface->init = g_dummy_tls_connection_initable_init;
 282 }
 283