gio/tests/gdbus-peer.c

   1 /* GLib testing framework examples and tests
   2  *
   3  * Copyright (C) 2008-2010 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  * Author: David Zeuthen <davidz@redhat.com>
  21  */
  22
  23 #include <gio/gio.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26
  27 /* for open(2) */
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31
  32 /* for g_unlink() */
  33 #include <glib/gstdio.h>
  34
  35 #include <gio/gunixsocketaddress.h>
  36 #include <gio/gunixfdlist.h>
  37
  38 #include "gdbus-tests.h"
  39
  40
  41 #ifdef G_OS_UNIX
  42 static gboolean is_unix = TRUE;
  43 #else
  44 static gboolean is_unix = FALSE;
  45 #endif
  46
  47 static gchar *test_guid = NULL;
  48 static GMainLoop *service_loop = NULL;
  49 static GDBusServer *server = NULL;
  50 static GMainLoop *loop = NULL;
  51
  52 /* ---------------------------------------------------------------------------------------------------- */
  53 /* Test that peer-to-peer connections work */
  54 /* ---------------------------------------------------------------------------------------------------- */
  55
  56
  57 typedef struct
  58 {
  59   gboolean accept_connection;
  60   gint num_connection_attempts;
  61   GPtrArray *current_connections;
  62   guint num_method_calls;
  63   gboolean signal_received;
  64 } PeerData;
  65
  66 static const gchar *test_interface_introspection_xml =
  67   "<node>"
  68   "  <interface name='org.gtk.GDBus.PeerTestInterface'>"
  69   "    <method name='HelloPeer'>"
  70   "      <arg type='s' name='greeting' direction='in'/>"
  71   "      <arg type='s' name='response' direction='out'/>"
  72   "    </method>"
  73   "    <method name='EmitSignal'/>"
  74   "    <method name='EmitSignalWithNameSet'/>"
  75   "    <method name='OpenFile'>"
  76   "      <arg type='s' name='path' direction='in'/>"
  77   "    </method>"
  78   "    <signal name='PeerSignal'>"
  79   "      <arg type='s' name='a_string'/>"
  80   "    </signal>"
  81   "    <property type='s' name='PeerProperty' access='read'/>"
  82   "  </interface>"
  83   "</node>";
  84 static const GDBusInterfaceInfo *test_interface_introspection_data = NULL;
  85
  86 static void
  87 test_interface_method_call (GDBusConnection       *connection,
  88                             const gchar           *sender,
  89                             const gchar           *object_path,
  90                             const gchar           *interface_name,
  91                             const gchar           *method_name,
  92                             GVariant              *parameters,
  93                             GDBusMethodInvocation *invocation,
  94                             gpointer               user_data)
  95 {
  96   PeerData *data = user_data;
  97
  98   data->num_method_calls++;
  99
 100   g_assert_cmpstr (object_path, ==, "/org/gtk/GDBus/PeerTestObject");
 101   g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.PeerTestInterface");
 102
 103   if (g_strcmp0 (method_name, "HelloPeer") == 0)
 104     {
 105       const gchar *greeting;
 106       gchar *response;
 107
 108       g_variant_get (parameters, "(&s)", &greeting);
 109
 110       response = g_strdup_printf ("You greeted me with '%s'.",
 111                                   greeting);
 112       g_dbus_method_invocation_return_value (invocation,
 113                                              g_variant_new ("(s)", response));
 114       g_free (response);
 115     }
 116   else if (g_strcmp0 (method_name, "EmitSignal") == 0)
 117     {
 118       GError *error;
 119
 120       error = NULL;
 121       g_dbus_connection_emit_signal (connection,
 122                                      NULL,
 123                                      "/org/gtk/GDBus/PeerTestObject",
 124                                      "org.gtk.GDBus.PeerTestInterface",
 125                                      "PeerSignal",
 126                                      NULL,
 127                                      &error);
 128       g_assert_no_error (error);
 129       g_dbus_method_invocation_return_value (invocation, NULL);
 130     }
 131   else if (g_strcmp0 (method_name, "EmitSignalWithNameSet") == 0)
 132     {
 133       GError *error;
 134       gboolean ret;
 135       GDBusMessage *message;
 136
 137       message = g_dbus_message_new_signal ("/org/gtk/GDBus/PeerTestObject",
 138                                            "org.gtk.GDBus.PeerTestInterface",
 139                                            "PeerSignalWithNameSet");
 140       g_dbus_message_set_sender (message, ":1.42");
 141
 142       error = NULL;
 143       ret = g_dbus_connection_send_message (connection, message, NULL, &error);
 144       g_assert_no_error (error);
 145       g_assert (ret);
 146       g_object_unref (message);
 147
 148       g_dbus_method_invocation_return_value (invocation, NULL);
 149     }
 150   else if (g_strcmp0 (method_name, "OpenFile") == 0)
 151     {
 152 #ifdef G_OS_UNIX
 153       const gchar *path;
 154       GDBusMessage *reply;
 155       GError *error;
 156       gint fd;
 157       GUnixFDList *fd_list;
 158
 159       g_variant_get (parameters, "(&s)", &path);
 160
 161       fd_list = g_unix_fd_list_new ();
 162
 163       error = NULL;
 164
 165       fd = open (path, O_RDONLY);
 166       g_unix_fd_list_append (fd_list, fd, &error);
 167       g_assert_no_error (error);
 168       close (fd);
 169
 170       reply = g_dbus_message_new_method_reply (g_dbus_method_invocation_get_message (invocation));
 171       g_dbus_message_set_unix_fd_list (reply, fd_list);
 172       g_object_unref (invocation);
 173
 174       error = NULL;
 175       g_dbus_connection_send_message (connection,
 176                                       reply,
 177                                       NULL, /* out_serial */
 178                                       &error);
 179       g_assert_no_error (error);
 180       g_object_unref (reply);
 181 #else
 182       g_dbus_method_invocation_return_dbus_error (invocation,
 183                                                   "org.gtk.GDBus.NotOnUnix",
 184                                                   "Your OS does not support file descriptor passing");
 185 #endif
 186     }
 187   else
 188     {
 189       g_assert_not_reached ();
 190     }
 191 }
 192
 193 static GVariant *
 194 test_interface_get_property (GDBusConnection  *connection,
 195                              const gchar      *sender,
 196                              const gchar      *object_path,
 197                              const gchar      *interface_name,
 198                              const gchar      *property_name,
 199                              GError          **error,
 200                              gpointer          user_data)
 201 {
 202   g_assert_cmpstr (object_path, ==, "/org/gtk/GDBus/PeerTestObject");
 203   g_assert_cmpstr (interface_name, ==, "org.gtk.GDBus.PeerTestInterface");
 204   g_assert_cmpstr (property_name, ==, "PeerProperty");
 205
 206   return g_variant_new_string ("ThePropertyValue");
 207 }
 208
 209
 210 static const GDBusInterfaceVTable test_interface_vtable =
 211 {
 212   test_interface_method_call,
 213   test_interface_get_property,
 214   NULL  /* set_property */
 215 };
 216
 217 static void
 218 on_proxy_signal_received (GDBusProxy *proxy,
 219                           gchar      *sender_name,
 220                           gchar      *signal_name,
 221                           GVariant   *parameters,
 222                           gpointer    user_data)
 223 {
 224   PeerData *data = user_data;
 225
 226   data->signal_received = TRUE;
 227
 228   g_assert (sender_name == NULL);
 229   g_assert_cmpstr (signal_name, ==, "PeerSignal");
 230   g_main_loop_quit (loop);
 231 }
 232
 233 static void
 234 on_proxy_signal_received_with_name_set (GDBusProxy *proxy,
 235                                         gchar      *sender_name,
 236                                         gchar      *signal_name,
 237                                         GVariant   *parameters,
 238                                         gpointer    user_data)
 239 {
 240   PeerData *data = user_data;
 241
 242   data->signal_received = TRUE;
 243
 244   g_assert_cmpstr (sender_name, ==, ":1.42");
 245   g_assert_cmpstr (signal_name, ==, "PeerSignalWithNameSet");
 246   g_main_loop_quit (loop);
 247 }
 248
 249 /* ---------------------------------------------------------------------------------------------------- */
 250
 251 static gboolean
 252 on_authorize_authenticated_peer (GDBusAuthObserver *observer,
 253                                  GIOStream         *stream,
 254                                  GCredentials      *credentials,
 255                                  gpointer           user_data)
 256 {
 257   PeerData *data = user_data;
 258   gboolean authorized;
 259
 260   data->num_connection_attempts++;
 261
 262   authorized = TRUE;
 263   if (!data->accept_connection)
 264     {
 265       authorized = FALSE;
 266       g_main_loop_quit (loop);
 267     }
 268
 269   return authorized;
 270 }
 271
 272 /* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
 273 static void
 274 on_new_connection (GDBusServer *server,
 275                    GDBusConnection *connection,
 276                    gpointer user_data)
 277 {
 278   PeerData *data = user_data;
 279   GError *error;
 280   guint reg_id;
 281
 282   //g_print ("Client connected.\n"
 283   //         "Negotiated capabilities: unix-fd-passing=%d\n",
 284   //         g_dbus_connection_get_capabilities (connection) & G_DBUS_CAPABILITY_FLAGS_UNIX_FD_PASSING);
 285
 286   g_ptr_array_add (data->current_connections, g_object_ref (connection));
 287
 288   /* export object on the newly established connection */
 289   error = NULL;
 290   reg_id = g_dbus_connection_register_object (connection,
 291                                               "/org/gtk/GDBus/PeerTestObject",
 292                                               test_interface_introspection_data,
 293                                               &test_interface_vtable,
 294                                               data,
 295                                               NULL, /* GDestroyNotify for data */
 296                                               &error);
 297   g_assert_no_error (error);
 298   g_assert (reg_id > 0);
 299
 300   g_main_loop_quit (loop);
 301 }
 302
 303 static gpointer
 304 service_thread_func (gpointer user_data)
 305 {
 306   PeerData *data = user_data;
 307   GMainContext *service_context;
 308   GDBusAuthObserver *observer;
 309   GError *error;
 310
 311   service_context = g_main_context_new ();
 312   g_main_context_push_thread_default (service_context);
 313
 314   error = NULL;
 315   observer = g_dbus_auth_observer_new ();
 316   server = g_dbus_server_new_sync (is_unix ? "unix:tmpdir=/tmp/gdbus-test-" : "nonce-tcp:",
 317                                    G_DBUS_SERVER_FLAGS_NONE,
 318                                    test_guid,
 319                                    observer,
 320                                    NULL, /* cancellable */
 321                                    &error);
 322   g_assert_no_error (error);
 323
 324   g_signal_connect (server,
 325                     "new-connection",
 326                     G_CALLBACK (on_new_connection),
 327                     data);
 328   g_signal_connect (observer,
 329                     "authorize-authenticated-peer",
 330                     G_CALLBACK (on_authorize_authenticated_peer),
 331                     data);
 332   g_object_unref (observer);
 333
 334   g_dbus_server_start (server);
 335
 336   service_loop = g_main_loop_new (service_context, FALSE);
 337   g_main_loop_run (service_loop);
 338
 339   g_main_context_pop_thread_default (service_context);
 340
 341   g_main_loop_unref (service_loop);
 342   g_main_context_unref (service_context);
 343
 344   /* test code specifically unrefs the server - see below */
 345   g_assert (server == NULL);
 346
 347   return NULL;
 348 }
 349
 350 #if 0
 351 static gboolean
 352 on_incoming_connection (GSocketService     *service,
 353                         GSocketConnection  *socket_connection,
 354                         GObject            *source_object,
 355                         gpointer           user_data)
 356 {
 357   PeerData *data = user_data;
 358
 359   if (data->accept_connection)
 360     {
 361       GError *error;
 362       guint reg_id;
 363       GDBusConnection *connection;
 364
 365       error = NULL;
 366       connection = g_dbus_connection_new_sync (G_IO_STREAM (socket_connection),
 367                                                test_guid,
 368                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER,
 369                                                NULL, /* cancellable */
 370                                                &error);
 371       g_assert_no_error (error);
 372
 373       g_ptr_array_add (data->current_connections, connection);
 374
 375       /* export object on the newly established connection */
 376       error = NULL;
 377       reg_id = g_dbus_connection_register_object (connection,
 378                                                   "/org/gtk/GDBus/PeerTestObject",
 379                                                   &test_interface_introspection_data,
 380                                                   &test_interface_vtable,
 381                                                   data,
 382                                                   NULL, /* GDestroyNotify for data */
 383                                                   &error);
 384       g_assert_no_error (error);
 385       g_assert (reg_id > 0);
 386
 387     }
 388   else
 389     {
 390       /* don't do anything */
 391     }
 392
 393   data->num_connection_attempts++;
 394
 395   g_main_loop_quit (loop);
 396
 397   /* stops other signal handlers from being invoked */
 398   return TRUE;
 399 }
 400
 401 static gpointer
 402 service_thread_func (gpointer data)
 403 {
 404   GMainContext *service_context;
 405   gchar *socket_path;
 406   GSocketAddress *address;
 407   GError *error;
 408
 409   service_context = g_main_context_new ();
 410   g_main_context_push_thread_default (service_context);
 411
 412   socket_path = g_strdup_printf ("/tmp/gdbus-test-pid-%d", getpid ());
 413   address = g_unix_socket_address_new (socket_path);
 414
 415   service = g_socket_service_new ();
 416   error = NULL;
 417   g_socket_listener_add_address (G_SOCKET_LISTENER (service),
 418                                  address,
 419                                  G_SOCKET_TYPE_STREAM,
 420                                  G_SOCKET_PROTOCOL_DEFAULT,
 421                                  NULL, /* source_object */
 422                                  NULL, /* effective_address */
 423                                  &error);
 424   g_assert_no_error (error);
 425   g_signal_connect (service,
 426                     "incoming",
 427                     G_CALLBACK (on_incoming_connection),
 428                     data);
 429   g_socket_service_start (service);
 430
 431   service_loop = g_main_loop_new (service_context, FALSE);
 432   g_main_loop_run (service_loop);
 433
 434   g_main_context_pop_thread_default (service_context);
 435
 436   g_main_loop_unref (service_loop);
 437   g_main_context_unref (service_context);
 438
 439   g_object_unref (address);
 440   g_free (socket_path);
 441   return NULL;
 442 }
 443 #endif
 444
 445 /* ---------------------------------------------------------------------------------------------------- */
 446
 447 #if 0
 448 static gboolean
 449 check_connection (gpointer user_data)
 450 {
 451   PeerData *data = user_data;
 452   guint n;
 453
 454   for (n = 0; n < data->current_connections->len; n++)
 455     {
 456       GDBusConnection *c;
 457       GIOStream *stream;
 458
 459       c = G_DBUS_CONNECTION (data->current_connections->pdata[n]);
 460       stream = g_dbus_connection_get_stream (c);
 461
 462       g_debug ("In check_connection for %d: connection %p, stream %p", n, c, stream);
 463       g_debug ("closed = %d", g_io_stream_is_closed (stream));
 464
 465       GSocket *socket;
 466       socket = g_socket_connection_get_socket (G_SOCKET_CONNECTION (stream));
 467       g_debug ("socket_closed = %d", g_socket_is_closed (socket));
 468       g_debug ("socket_condition_check = %d", g_socket_condition_check (socket, G_IO_IN|G_IO_OUT|G_IO_ERR|G_IO_HUP));
 469
 470       gchar buf[128];
 471       GError *error;
 472       gssize num_read;
 473       error = NULL;
 474       num_read = g_input_stream_read (g_io_stream_get_input_stream (stream),
 475                                       buf,
 476                                       128,
 477                                       NULL,
 478                                       &error);
 479       if (num_read < 0)
 480         {
 481           g_debug ("error: %s", error->message);
 482           g_error_free (error);
 483         }
 484       else
 485         {
 486           g_debug ("no error, read %d bytes", (gint) num_read);
 487         }
 488     }
 489
 490   return FALSE;
 491 }
 492
 493 static gboolean
 494 on_do_disconnect_in_idle (gpointer data)
 495 {
 496   GDBusConnection *c = G_DBUS_CONNECTION (data);
 497   g_debug ("GDC %p has ref_count %d", c, G_OBJECT (c)->ref_count);
 498   g_dbus_connection_disconnect (c);
 499   g_object_unref (c);
 500   return FALSE;
 501 }
 502 #endif
 503
 504 static void
 505 test_peer (void)
 506 {
 507   GDBusConnection *c;
 508   GDBusConnection *c2;
 509   GDBusProxy *proxy;
 510   GError *error;
 511   PeerData data;
 512   GVariant *value;
 513   GVariant *result;
 514   const gchar *s;
 515   GThread *service_thread;
 516   gulong signal_handler_id;
 517
 518   memset (&data, '\0', sizeof (PeerData));
 519   data.current_connections = g_ptr_array_new_with_free_func (g_object_unref);
 520
 521   /* first try to connect when there is no server */
 522   error = NULL;
 523   c = g_dbus_connection_new_for_address_sync (is_unix ? "unix:path=/tmp/gdbus-test-does-not-exist-pid" :
 524                                               /* NOTE: Even if something is listening on port 12345 the connection
 525                                                * will fail because the nonce file doesn't exist */
 526                                               "nonce-tcp:host=localhost,port=12345,noncefile=this-does-not-exist-gdbus",
 527                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 528                                               NULL, /* GDBusAuthObserver */
 529                                               NULL, /* cancellable */
 530                                               &error);
 531   _g_assert_error_domain (error, G_IO_ERROR);
 532   g_assert (!g_dbus_error_is_remote_error (error));
 533   g_clear_error (&error);
 534   g_assert (c == NULL);
 535
 536   /* bring up a server - we run the server in a different thread to avoid deadlocks */
 537   error = NULL;
 538   service_thread = g_thread_create (service_thread_func,
 539                                     &data,
 540                                     TRUE,
 541                                     &error);
 542   while (service_loop == NULL)
 543     g_thread_yield ();
 544   g_assert (server != NULL);
 545
 546   /* bring up a connection and accept it */
 547   data.accept_connection = TRUE;
 548   error = NULL;
 549   c = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 550                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 551                                               NULL, /* GDBusAuthObserver */
 552                                               NULL, /* cancellable */
 553                                               &error);
 554   g_assert_no_error (error);
 555   g_assert (c != NULL);
 556   while (data.current_connections->len < 1)
 557     g_main_loop_run (loop);
 558   g_assert_cmpint (data.current_connections->len, ==, 1);
 559   g_assert_cmpint (data.num_connection_attempts, ==, 1);
 560   g_assert (g_dbus_connection_get_unique_name (c) == NULL);
 561   g_assert_cmpstr (g_dbus_connection_get_guid (c), ==, test_guid);
 562
 563   /* check that we create a proxy, read properties, receive signals and invoke
 564    * the HelloPeer() method. Since the server runs in another thread it's fine
 565    * to use synchronous blocking API here.
 566    */
 567   error = NULL;
 568   proxy = g_dbus_proxy_new_sync (c,
 569                                  G_DBUS_PROXY_FLAGS_NONE,
 570                                  NULL,
 571                                  NULL, /* bus_name */
 572                                  "/org/gtk/GDBus/PeerTestObject",
 573                                  "org.gtk.GDBus.PeerTestInterface",
 574                                  NULL, /* GCancellable */
 575                                  &error);
 576   g_assert_no_error (error);
 577   g_assert (proxy != NULL);
 578   error = NULL;
 579   value = g_dbus_proxy_get_cached_property (proxy, "PeerProperty");
 580   g_assert_cmpstr (g_variant_get_string (value, NULL), ==, "ThePropertyValue");
 581
 582   /* try invoking a method */
 583   error = NULL;
 584   result = g_dbus_proxy_call_sync (proxy,
 585                                    "HelloPeer",
 586                                    g_variant_new ("(s)", "Hey Peer!"),
 587                                    G_DBUS_CALL_FLAGS_NONE,
 588                                    -1,
 589                                    NULL,  /* GCancellable */
 590                                    &error);
 591   g_assert_no_error (error);
 592   g_variant_get (result, "(&s)", &s);
 593   g_assert_cmpstr (s, ==, "You greeted me with 'Hey Peer!'.");
 594   g_variant_unref (result);
 595   g_assert_cmpint (data.num_method_calls, ==, 1);
 596
 597   /* make the other peer emit a signal - catch it */
 598   signal_handler_id = g_signal_connect (proxy,
 599                                         "g-signal",
 600                                         G_CALLBACK (on_proxy_signal_received),
 601                                         &data);
 602   g_assert (!data.signal_received);
 603   g_dbus_proxy_call (proxy,
 604                      "EmitSignal",
 605                      NULL,  /* no arguments */
 606                      G_DBUS_CALL_FLAGS_NONE,
 607                      -1,
 608                      NULL,  /* GCancellable */
 609                      NULL,  /* GAsyncReadyCallback - we don't care about the result */
 610                      NULL); /* user_data */
 611   g_main_loop_run (loop);
 612   g_assert (data.signal_received);
 613   g_assert_cmpint (data.num_method_calls, ==, 2);
 614   g_signal_handler_disconnect (proxy, signal_handler_id);
 615
 616   /* Also ensure that messages with the sender header-field set gets
 617    * delivered to the proxy - note that this doesn't really make sense
 618    * e.g. names are meaning-less in a peer-to-peer case... but we
 619    * support it because it makes sense in certain bridging
 620    * applications - see e.g. #623815.
 621    */
 622   signal_handler_id = g_signal_connect (proxy,
 623                                         "g-signal",
 624                                         G_CALLBACK (on_proxy_signal_received_with_name_set),
 625                                         &data);
 626   data.signal_received = FALSE;
 627   g_dbus_proxy_call (proxy,
 628                      "EmitSignalWithNameSet",
 629                      NULL,  /* no arguments */
 630                      G_DBUS_CALL_FLAGS_NONE,
 631                      -1,
 632                      NULL,  /* GCancellable */
 633                      NULL,  /* GAsyncReadyCallback - we don't care about the result */
 634                      NULL); /* user_data */
 635   g_main_loop_run (loop);
 636   g_assert (data.signal_received);
 637   g_assert_cmpint (data.num_method_calls, ==, 3);
 638   g_signal_handler_disconnect (proxy, signal_handler_id);
 639
 640   /* check for UNIX fd passing */
 641 #ifdef G_OS_UNIX
 642   {
 643     GDBusMessage *method_call_message;
 644     GDBusMessage *method_reply_message;
 645     GUnixFDList *fd_list;
 646     gint fd;
 647     gchar buf[1024];
 648     gssize len;
 649     gchar *buf2;
 650     gsize len2;
 651
 652     method_call_message = g_dbus_message_new_method_call (NULL, /* name */
 653                                                           "/org/gtk/GDBus/PeerTestObject",
 654                                                           "org.gtk.GDBus.PeerTestInterface",
 655                                                           "OpenFile");
 656     g_dbus_message_set_body (method_call_message, g_variant_new ("(s)", "/etc/hosts"));
 657     error = NULL;
 658     method_reply_message = g_dbus_connection_send_message_with_reply_sync (c,
 659                                                                            method_call_message,
 660                                                                            -1,
 661                                                                            NULL, /* out_serial */
 662                                                                            NULL, /* cancellable */
 663                                                                            &error);
 664     g_assert_no_error (error);
 665     g_assert (g_dbus_message_get_message_type (method_reply_message) == G_DBUS_MESSAGE_TYPE_METHOD_RETURN);
 666     fd_list = g_dbus_message_get_unix_fd_list (method_reply_message);
 667     g_assert (fd_list != NULL);
 668     g_assert_cmpint (g_unix_fd_list_get_length (fd_list), ==, 1);
 669     error = NULL;
 670     fd = g_unix_fd_list_get (fd_list, 0, &error);
 671     g_assert_no_error (error);
 672     g_object_unref (method_call_message);
 673     g_object_unref (method_reply_message);
 674
 675     memset (buf, '\0', sizeof (buf));
 676     len = read (fd, buf, sizeof (buf) - 1);
 677     close (fd);
 678
 679     error = NULL;
 680     g_file_get_contents ("/etc/hosts",
 681                          &buf2,
 682                          &len2,
 683                          &error);
 684     g_assert_no_error (error);
 685     if (len2 > sizeof (buf))
 686       buf2[sizeof (buf)] = '\0';
 687     g_assert_cmpstr (buf, ==, buf2);
 688     g_free (buf2);
 689   }
 690 #else
 691   error = NULL;
 692   result = g_dbus_proxy_call_sync (proxy,
 693                                    "OpenFile",
 694                                    g_variant_new ("(s)", "boo"),
 695                                    G_DBUS_CALL_FLAGS_NONE,
 696                                    -1,
 697                                    NULL,  /* GCancellable */
 698                                    &error);
 699   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_DBUS_ERROR);
 700   g_assert (result == NULL);
 701   g_error_free (error);
 702 #endif /* G_OS_UNIX */
 703
 704
 705   /* bring up a connection - don't accept it - this should fail
 706    */
 707   data.accept_connection = FALSE;
 708   error = NULL;
 709   c2 = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 710                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 711                                                NULL, /* GDBusAuthObserver */
 712                                                NULL, /* cancellable */
 713                                                &error);
 714   _g_assert_error_domain (error, G_IO_ERROR);
 715   g_assert (c2 == NULL);
 716
 717 #if 0
 718   /* TODO: THIS TEST DOESN'T WORK YET */
 719
 720   /* bring up a connection - accept it.. then disconnect from the client side - check
 721    * that the server side gets the disconnect signal.
 722    */
 723   error = NULL;
 724   data.accept_connection = TRUE;
 725   c2 = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
 726                                                G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 727                                                NULL, /* GDBusAuthObserver */
 728                                                NULL, /* cancellable */
 729                                                &error);
 730   g_assert_no_error (error);
 731   g_assert (c2 != NULL);
 732   g_assert (!g_dbus_connection_get_is_disconnected (c2));
 733   while (data.num_connection_attempts < 3)
 734     g_main_loop_run (loop);
 735   g_assert_cmpint (data.current_connections->len, ==, 2);
 736   g_assert_cmpint (data.num_connection_attempts, ==, 3);
 737   g_assert (!g_dbus_connection_get_is_disconnected (G_DBUS_CONNECTION (data.current_connections->pdata[1])));
 738   g_idle_add (on_do_disconnect_in_idle, c2);
 739   g_debug ("==================================================");
 740   g_debug ("==================================================");
 741   g_debug ("==================================================");
 742   g_debug ("waiting for disconnect on connection %p, stream %p",
 743            data.current_connections->pdata[1],
 744            g_dbus_connection_get_stream (data.current_connections->pdata[1]));
 745
 746   g_timeout_add (2000, check_connection, &data);
 747   //_g_assert_signal_received (G_DBUS_CONNECTION (data.current_connections->pdata[1]), "closed");
 748   g_main_loop_run (loop);
 749   g_assert (g_dbus_connection_get_is_disconnected (G_DBUS_CONNECTION (data.current_connections->pdata[1])));
 750   g_ptr_array_set_size (data.current_connections, 1); /* remove disconnected connection object */
 751 #endif
 752
 753   /* unref the server and stop listening for new connections
 754    *
 755    * This won't bring down the established connections - check that c is still connected
 756    * by invoking a method
 757    */
 758   //g_socket_service_stop (service);
 759   //g_object_unref (service);
 760   g_dbus_server_stop (server);
 761   g_object_unref (server);
 762   server = NULL;
 763
 764   error = NULL;
 765   result = g_dbus_proxy_call_sync (proxy,
 766                                    "HelloPeer",
 767                                    g_variant_new ("(s)", "Hey Again Peer!"),
 768                                    G_DBUS_CALL_FLAGS_NONE,
 769                                    -1,
 770                                    NULL,  /* GCancellable */
 771                                    &error);
 772   g_assert_no_error (error);
 773   g_variant_get (result, "(&s)", &s);
 774   g_assert_cmpstr (s, ==, "You greeted me with 'Hey Again Peer!'.");
 775   g_variant_unref (result);
 776   g_assert_cmpint (data.num_method_calls, ==, 5);
 777
 778 #if 0
 779   /* TODO: THIS TEST DOESN'T WORK YET */
 780
 781   /* now disconnect from the server side - check that the client side gets the signal */
 782   g_assert_cmpint (data.current_connections->len, ==, 1);
 783   g_assert (G_DBUS_CONNECTION (data.current_connections->pdata[0]) != c);
 784   g_dbus_connection_disconnect (G_DBUS_CONNECTION (data.current_connections->pdata[0]));
 785   if (!g_dbus_connection_get_is_disconnected (c))
 786     _g_assert_signal_received (c, "closed");
 787   g_assert (g_dbus_connection_get_is_disconnected (c));
 788 #endif
 789
 790   g_object_unref (c);
 791   g_ptr_array_unref (data.current_connections);
 792   g_object_unref (proxy);
 793
 794   g_main_loop_quit (service_loop);
 795   g_thread_join (service_thread);
 796 }
 797
 798 /* ---------------------------------------------------------------------------------------------------- */
 799
 800 typedef struct
 801 {
 802   GDBusServer *server;
 803   GMainContext *context;
 804   GMainLoop *loop;
 805
 806   GList *connections;
 807 } DmpData;
 808
 809 static void
 810 dmp_data_free (DmpData *data)
 811 {
 812   g_main_loop_unref (data->loop);
 813   g_main_context_unref (data->context);
 814   g_object_unref (data->server);
 815   g_list_foreach (data->connections, (GFunc) g_object_unref, NULL);
 816   g_list_free (data->connections);
 817   g_free (data);
 818 }
 819
 820 static void
 821 dmp_on_method_call (GDBusConnection       *connection,
 822                     const gchar           *sender,
 823                     const gchar           *object_path,
 824                     const gchar           *interface_name,
 825                     const gchar           *method_name,
 826                     GVariant              *parameters,
 827                     GDBusMethodInvocation *invocation,
 828                     gpointer               user_data)
 829 {
 830   //DmpData *data = user_data;
 831   gint32 first;
 832   gint32 second;
 833   g_variant_get (parameters,
 834                  "(ii)",
 835                  &first,
 836                  &second);
 837   g_dbus_method_invocation_return_value (invocation,
 838                                          g_variant_new ("(i)", first + second));
 839 }
 840
 841 static const GDBusInterfaceVTable dmp_interface_vtable =
 842 {
 843   dmp_on_method_call,
 844   NULL,  /* get_property */
 845   NULL   /* set_property */
 846 };
 847
 848
 849 /* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
 850 static void
 851 dmp_on_new_connection (GDBusServer     *server,
 852                        GDBusConnection *connection,
 853                        gpointer         user_data)
 854 {
 855   DmpData *data = user_data;
 856   GDBusNodeInfo *node;
 857   GError *error;
 858
 859   /* accept the connection */
 860   data->connections = g_list_prepend (data->connections, g_object_ref (connection));
 861
 862   error = NULL;
 863   node = g_dbus_node_info_new_for_xml ("<node>"
 864                                        "  <interface name='org.gtk.GDBus.DmpInterface'>"
 865                                        "    <method name='AddPair'>"
 866                                        "      <arg type='i' name='first' direction='in'/>"
 867                                        "      <arg type='i' name='second' direction='in'/>"
 868                                        "      <arg type='i' name='sum' direction='out'/>"
 869                                        "    </method>"
 870                                        "  </interface>"
 871                                        "</node>",
 872                                        &error);
 873   g_assert_no_error (error);
 874
 875   /* sleep 100ms before exporting an object - this is to test that
 876    * G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING really works
 877    * (GDBusServer uses this feature).
 878    */
 879   usleep (100 * 1000);
 880
 881   /* export an object */
 882   error = NULL;
 883   g_dbus_connection_register_object (connection,
 884                                      "/dmp/test",
 885                                      node->interfaces[0],
 886                                      &dmp_interface_vtable,
 887                                      data,
 888                                      NULL,
 889                                      &error);
 890   g_dbus_node_info_unref (node);
 891 }
 892
 893 static gpointer
 894 dmp_thread_func (gpointer user_data)
 895 {
 896   DmpData *data = user_data;
 897   GError *error;
 898   gchar *guid;
 899
 900   data->context = g_main_context_new ();
 901   g_main_context_push_thread_default (data->context);
 902
 903   error = NULL;
 904   guid = g_dbus_generate_guid ();
 905   data->server = g_dbus_server_new_sync ("unix:tmpdir=/tmp/gdbus-test-",
 906                                          G_DBUS_SERVER_FLAGS_NONE,
 907                                          guid,
 908                                          NULL, /* GDBusAuthObserver */
 909                                          NULL, /* GCancellable */
 910                                          &error);
 911   g_assert_no_error (error);
 912   g_signal_connect (data->server,
 913                     "new-connection",
 914                     G_CALLBACK (dmp_on_new_connection),
 915                     data);
 916
 917   g_dbus_server_start (data->server);
 918
 919   data->loop = g_main_loop_new (data->context, FALSE);
 920   g_main_loop_run (data->loop);
 921
 922   g_main_context_pop_thread_default (data->context);
 923
 924   g_free (guid);
 925   return NULL;
 926 }
 927
 928 static void
 929 delayed_message_processing (void)
 930 {
 931   GError *error;
 932   DmpData *data;
 933   GThread *service_thread;
 934   guint n;
 935
 936   data = g_new0 (DmpData, 1);
 937
 938   error = NULL;
 939   service_thread = g_thread_create (dmp_thread_func,
 940                                     data,
 941                                     TRUE,
 942                                     &error);
 943   while (data->server == NULL || !g_dbus_server_is_active (data->server))
 944     g_thread_yield ();
 945
 946   for (n = 0; n < 5; n++)
 947     {
 948       GDBusConnection *c;
 949       GVariant *res;
 950       gint32 val;
 951
 952       error = NULL;
 953       c = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (data->server),
 954                                                   G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
 955                                                   NULL, /* GDBusAuthObserver */
 956                                                   NULL, /* GCancellable */
 957                                                   &error);
 958       g_assert_no_error (error);
 959
 960       error = NULL;
 961       res = g_dbus_connection_call_sync (c,
 962                                          NULL,    /* bus name */
 963                                          "/dmp/test",
 964                                          "org.gtk.GDBus.DmpInterface",
 965                                          "AddPair",
 966                                          g_variant_new ("(ii)", 2, n),
 967                                          G_VARIANT_TYPE ("(i)"),
 968                                          G_DBUS_CALL_FLAGS_NONE,
 969                                          -1, /* timeout_msec */
 970                                          NULL, /* GCancellable */
 971                                          &error);
 972       g_assert_no_error (error);
 973       g_variant_get (res, "(i)", &val);
 974       g_assert_cmpint (val, ==, 2 + n);
 975       g_variant_unref (res);
 976       g_object_unref (c);
 977   }
 978
 979   g_main_loop_quit (data->loop);
 980   g_thread_join (service_thread);
 981   dmp_data_free (data);
 982 }
 983
 984 /* ---------------------------------------------------------------------------------------------------- */
 985
 986 static gboolean
 987 nonce_tcp_on_authorize_authenticated_peer (GDBusAuthObserver *observer,
 988                                            GIOStream         *stream,
 989                                            GCredentials      *credentials,
 990                                            gpointer           user_data)
 991 {
 992   PeerData *data = user_data;
 993   gboolean authorized;
 994
 995   data->num_connection_attempts++;
 996
 997   authorized = TRUE;
 998   if (!data->accept_connection)
 999     {
1000       authorized = FALSE;
1001       g_main_loop_quit (loop);
1002     }
1003
1004   return authorized;
1005 }
1006
1007 /* Runs in thread we created GDBusServer in (since we didn't pass G_DBUS_SERVER_FLAGS_RUN_IN_THREAD) */
1008 static void
1009 nonce_tcp_on_new_connection (GDBusServer *server,
1010                              GDBusConnection *connection,
1011                              gpointer user_data)
1012 {
1013   PeerData *data = user_data;
1014
1015   g_ptr_array_add (data->current_connections, g_object_ref (connection));
1016
1017   g_main_loop_quit (loop);
1018 }
1019
1020 static gpointer
1021 nonce_tcp_service_thread_func (gpointer user_data)
1022 {
1023   PeerData *data = user_data;
1024   GMainContext *service_context;
1025   GDBusAuthObserver *observer;
1026   GError *error;
1027
1028   service_context = g_main_context_new ();
1029   g_main_context_push_thread_default (service_context);
1030
1031   error = NULL;
1032   observer = g_dbus_auth_observer_new ();
1033   server = g_dbus_server_new_sync ("nonce-tcp:",
1034                                    G_DBUS_SERVER_FLAGS_NONE,
1035                                    test_guid,
1036                                    observer,
1037                                    NULL, /* cancellable */
1038                                    &error);
1039   g_assert_no_error (error);
1040
1041   g_signal_connect (server,
1042                     "new-connection",
1043                     G_CALLBACK (nonce_tcp_on_new_connection),
1044                     data);
1045   g_signal_connect (observer,
1046                     "authorize-authenticated-peer",
1047                     G_CALLBACK (nonce_tcp_on_authorize_authenticated_peer),
1048                     data);
1049   g_object_unref (observer);
1050
1051   g_dbus_server_start (server);
1052
1053   service_loop = g_main_loop_new (service_context, FALSE);
1054   g_main_loop_run (service_loop);
1055
1056   g_main_context_pop_thread_default (service_context);
1057
1058   g_main_loop_unref (service_loop);
1059   g_main_context_unref (service_context);
1060
1061   /* test code specifically unrefs the server - see below */
1062   g_assert (server == NULL);
1063
1064   return NULL;
1065 }
1066
1067 static void
1068 test_nonce_tcp (void)
1069 {
1070   PeerData data;
1071   GError *error;
1072   GThread *service_thread;
1073   GDBusConnection *c;
1074   gchar *s;
1075   gchar *nonce_file;
1076   gboolean res;
1077   const gchar *address;
1078
1079   memset (&data, '\0', sizeof (PeerData));
1080   data.current_connections = g_ptr_array_new_with_free_func (g_object_unref);
1081
1082   error = NULL;
1083   server = NULL;
1084   service_loop = NULL;
1085   service_thread = g_thread_create (nonce_tcp_service_thread_func,
1086                                     &data,
1087                                     TRUE,
1088                                     &error);
1089   while (service_loop == NULL)
1090     g_thread_yield ();
1091   g_assert (server != NULL);
1092
1093
1094   /* bring up a connection and accept it */
1095   data.accept_connection = TRUE;
1096   error = NULL;
1097   c = g_dbus_connection_new_for_address_sync (g_dbus_server_get_client_address (server),
1098                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
1099                                               NULL, /* GDBusAuthObserver */
1100                                               NULL, /* cancellable */
1101                                               &error);
1102   g_assert_no_error (error);
1103   g_assert (c != NULL);
1104   while (data.current_connections->len < 1)
1105     g_main_loop_run (loop);
1106   g_assert_cmpint (data.current_connections->len, ==, 1);
1107   g_assert_cmpint (data.num_connection_attempts, ==, 1);
1108   g_assert (g_dbus_connection_get_unique_name (c) == NULL);
1109   g_assert_cmpstr (g_dbus_connection_get_guid (c), ==, test_guid);
1110   g_object_unref (c);
1111
1112   /* now, try to subvert the nonce file (this assumes noncefile is the last key/value pair)
1113    */
1114
1115   address = g_dbus_server_get_client_address (server);
1116
1117   s = strstr (address, "noncefile=");
1118   g_assert (s != NULL);
1119   s += sizeof "noncefile=" - 1;
1120   nonce_file = g_strdup (s);
1121
1122   /* First try invalid data in the nonce file - this will actually
1123    * make the client send this and the server will reject it. The way
1124    * it works is that if the nonce doesn't match, the server will
1125    * simply close the connection. So, from the client point of view,
1126    * we can see a variety of errors.
1127    */
1128   error = NULL;
1129   res = g_file_set_contents (nonce_file,
1130                              "0123456789012345",
1131                              -1,
1132                              &error);
1133   g_assert_no_error (error);
1134   g_assert (res);
1135   c = g_dbus_connection_new_for_address_sync (address,
1136                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
1137                                               NULL, /* GDBusAuthObserver */
1138                                               NULL, /* cancellable */
1139                                               &error);
1140   _g_assert_error_domain (error, G_IO_ERROR);
1141   g_assert (c == NULL);
1142
1143   /* Then try with a nonce-file of incorrect length - this will make
1144    * the client complain - we won't even try connecting to the server
1145    * for this
1146    */
1147   error = NULL;
1148   res = g_file_set_contents (nonce_file,
1149                              "0123456789012345_",
1150                              -1,
1151                              &error);
1152   g_assert_no_error (error);
1153   g_assert (res);
1154   c = g_dbus_connection_new_for_address_sync (address,
1155                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
1156                                               NULL, /* GDBusAuthObserver */
1157                                               NULL, /* cancellable */
1158                                               &error);
1159   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
1160   g_assert (c == NULL);
1161
1162   /* Finally try with no nonce-file at all */
1163   g_assert_cmpint (g_unlink (nonce_file), ==, 0);
1164   error = NULL;
1165   c = g_dbus_connection_new_for_address_sync (address,
1166                                               G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
1167                                               NULL, /* GDBusAuthObserver */
1168                                               NULL, /* cancellable */
1169                                               &error);
1170   g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
1171   g_assert (c == NULL);
1172
1173   g_free (nonce_file);
1174
1175   g_dbus_server_stop (server);
1176   g_object_unref (server);
1177   server = NULL;
1178
1179   g_main_loop_quit (service_loop);
1180   g_thread_join (service_thread);
1181 }
1182
1183 /* ---------------------------------------------------------------------------------------------------- */
1184
1185 int
1186 main (int   argc,
1187       char *argv[])
1188 {
1189   gint ret;
1190   GDBusNodeInfo *introspection_data = NULL;
1191
1192   g_type_init ();
1193   g_thread_init (NULL);
1194   g_test_init (&argc, &argv, NULL);
1195
1196   introspection_data = g_dbus_node_info_new_for_xml (test_interface_introspection_xml, NULL);
1197   g_assert (introspection_data != NULL);
1198   test_interface_introspection_data = introspection_data->interfaces[0];
1199
1200   test_guid = g_dbus_generate_guid ();
1201
1202   /* all the tests rely on a shared main loop */
1203   loop = g_main_loop_new (NULL, FALSE);
1204
1205   g_test_add_func ("/gdbus/peer-to-peer", test_peer);
1206   g_test_add_func ("/gdbus/delayed-message-processing", delayed_message_processing);
1207   g_test_add_func ("/gdbus/nonce-tcp", test_nonce_tcp);
1208
1209   ret = g_test_run();
1210
1211   g_main_loop_unref (loop);
1212   g_free (test_guid);
1213   g_dbus_node_info_unref (introspection_data);
1214
1215   return ret;
1216 }