dbus/test/dbus-daemon-eavesdrop.c - nest-cam/4320010/dbus - Git at Google

 /* Integration tests for the eavesdrop=true|false keyword in DBusMatchRule
  *
  * Author: Cosimo Alfarano <cosimo.alfarano@collabora.co.uk>
  * Based on: tests/dbus-daemon.c by Simon McVittie
  * Copyright © 2010-2011 Nokia Corporation
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation files
  * (the "Software"), to deal in the Software without restriction,
  * including without limitation the rights to use, copy, modify, merge,
  * publish, distribute, sublicense, and/or sell copies of the Software,
  * and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #include <config.h>

 #include <glib.h>

 #include <dbus/dbus.h>
 #include <dbus/dbus-glib-lowlevel.h>

 #include <string.h>

 #ifdef DBUS_WIN
 # include <io.h>
 # include <windows.h>
 #else
 # include <signal.h>
 # include <unistd.h>
 #endif

 #define SENDER_NAME "test.eavesdrop.sender"
 #define SENDER_PATH "/test/eavesdrop/sender"
 #define SENDER_IFACE SENDER_NAME
 #define SENDER_SIGNAL_NAME "Signal"
 #define SENDER_STOPPER_NAME "Stopper"

 /* This rule is equivalent to the one added to a proxy connecting to
  * SENDER_NAME+SENDER_IFACE, plus restricting on signal name.
  * Being more restrictive, if the connection receives what we need, for sure
  * the original proxy rule will match it */
 #define RECEIVER_RULE "sender='" SENDER_NAME "'," \
   "interface='" SENDER_IFACE "'," \
   "type='signal'," \
   "member='" SENDER_SIGNAL_NAME "'"
 #define POLITELISTENER_RULE RECEIVER_RULE
 #define EAVESDROPPER_RULE RECEIVER_RULE ",eavesdrop=true"

 #define STOPPER_RULE "sender='" SENDER_NAME \
   "',interface='" SENDER_IFACE "',type='signal',member='" SENDER_STOPPER_NAME "'"

 /* a connection received a signal to whom? */
 typedef enum {
   NONE_YET = 0,
   TO_ME,
   TO_OTHER,
   BROADCAST,
 } SignalDst;

 typedef struct {
     DBusError e;
     GError *ge;

     GPid daemon_pid;

     /* eavedrop keyword tests */
     DBusConnection *sender;
     DBusConnection *receiver;
     SignalDst receiver_dst;
     dbus_bool_t receiver_got_stopper;
     DBusConnection *eavesdropper;
     SignalDst eavesdropper_dst;
     dbus_bool_t eavesdropper_got_stopper;
     DBusConnection *politelistener;
     SignalDst politelistener_dst;
     dbus_bool_t politelistener_got_stopper;
 } Fixture;

 #define assert_no_error(e) _assert_no_error (e, __FILE__, __LINE__)
 static void
 _assert_no_error (const DBusError *e,
     const char *file,
     int line)
 {
   if (G_UNLIKELY (dbus_error_is_set (e)))
     g_error ("%s:%d: expected success but got error: %s: %s",
         file, line, e->name, e->message);
 }

 static gchar *
 spawn_dbus_daemon (gchar *binary,
     gchar *configuration,
     GPid *daemon_pid)
 {
   GError *error = NULL;
   GString *address;
   gint address_fd;
   gchar *argv[] = {
       binary,
       configuration,
       "--nofork",
       "--print-address=1", /* stdout */
       NULL
   };

   g_spawn_async_with_pipes (NULL, /* working directory */
       argv,
       NULL, /* envp */
       G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
       NULL, /* child_setup */
       NULL, /* user data */
       daemon_pid,
       NULL, /* child's stdin = /dev/null */
       &address_fd,
       NULL, /* child's stderr = our stderr */
       &error);
   g_assert_no_error (error);

   address = g_string_new (NULL);

   /* polling until the dbus-daemon writes out its address is a bit stupid,
    * but at least it's simple, unlike dbus-launch... in principle we could
    * use select() here, but life's too short */
   while (1)
     {
       gssize bytes;
       gchar buf[4096];
       gchar *newline;

       bytes = read (address_fd, buf, sizeof (buf));

       if (bytes > 0)
         g_string_append_len (address, buf, bytes);

       newline = strchr (address->str, '\n');

       if (newline != NULL)
         {
           g_string_truncate (address, newline - address->str);
           break;
         }

       g_usleep (G_USEC_PER_SEC / 10);
     }

   return g_string_free (address, FALSE);
 }

 static DBusConnection *
 connect_to_bus (const gchar *address)
 {
   DBusConnection *conn;
   DBusError error = DBUS_ERROR_INIT;
   dbus_bool_t ok;

   conn = dbus_connection_open_private (address, &error);
   assert_no_error (&error);
   g_assert (conn != NULL);

   ok = dbus_bus_register (conn, &error);
   assert_no_error (&error);
   g_assert (ok);
   g_assert (dbus_bus_get_unique_name (conn) != NULL);

   dbus_connection_setup_with_g_main (conn, NULL);
   return conn;
 }

 /* send a unicast signal to <self> to ensure that no other connection
  * listening is the actual recipient for the signal */
 static DBusHandlerResult
 sender_send_unicast_to_sender (Fixture *f)
 {
   DBusMessage *signal;

   signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE,
       SENDER_SIGNAL_NAME);
   dbus_message_set_destination (signal, dbus_bus_get_unique_name (f->sender));

   if (signal == NULL)
     g_error ("OOM");

   if (!dbus_connection_send (f->sender, signal, NULL))
     g_error ("OOM");

   dbus_message_unref (signal);

   return DBUS_HANDLER_RESULT_HANDLED;
 }

 /* send a unicast signal to <receiver>, making <politelistener> and
  * <eavesdropper> not a actual recipient for it */
 static DBusHandlerResult
 sender_send_unicast_to_receiver (Fixture *f)
 {
   DBusMessage *signal;

   signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_SIGNAL_NAME);
   dbus_message_set_destination (signal, dbus_bus_get_unique_name (f->receiver));

   if (signal == NULL)
     g_error ("OOM");

   if (!dbus_connection_send (f->sender, signal, NULL))
     g_error ("OOM");

   dbus_message_unref (signal);

   return DBUS_HANDLER_RESULT_HANDLED;
 }

 static DBusHandlerResult
 sender_send_broadcast (Fixture *f)
 {
   DBusMessage *signal;

   signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_SIGNAL_NAME);
   dbus_message_set_destination (signal, NULL);

   if (signal == NULL)
     g_error ("OOM");

   if (!dbus_connection_send (f->sender, signal, NULL))
     g_error ("OOM");

   dbus_message_unref (signal);

   return DBUS_HANDLER_RESULT_HANDLED;
 }

 /* Send special broadcast signal to indicate that the connections can "stop"
  * listening and check their results.
  * DBus does not re-order messages, so when the three connections have received
  * this signal, we are sure that any message sent before it has also been
  * dispatched. */
 static DBusHandlerResult
 sender_send_stopper (Fixture *f)
 {
   DBusMessage *signal;

   signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_STOPPER_NAME);
   dbus_message_set_destination (signal, NULL);

   if (signal == NULL)
     g_error ("OOM");

   if (!dbus_connection_send (f->sender, signal, NULL))
     g_error ("OOM");

   dbus_message_unref (signal);

   return DBUS_HANDLER_RESULT_HANDLED;
 }

 /* Ignore NameAcquired, then depending on the signal received:
  * - updates f-><conn>_dst based on the destination of the message
  * - asserts that <conn> received the stop signal
  */
 static DBusHandlerResult
 signal_filter (DBusConnection *connection,
     DBusMessage *message,
     void *user_data)
 {
   Fixture *f = user_data;
   SignalDst *dst = NULL;
   DBusConnection **conn;
   dbus_bool_t *got_stopper;

   if (0 == strcmp (dbus_message_get_member (message), "NameAcquired"))
     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;

   if (connection == f->receiver)
     {
       dst = &(f->receiver_dst);
       conn = &(f->receiver);
       got_stopper = &(f->receiver_got_stopper);
     }
   else if (connection == f->eavesdropper)
     {
       dst = &(f->eavesdropper_dst);
       conn = &(f->eavesdropper);
       got_stopper = &(f->eavesdropper_got_stopper);
     }
   else if (connection == f->politelistener)
     {
       dst = &(f->politelistener_dst);
       conn = &(f->politelistener);
       got_stopper = &(f->politelistener_got_stopper);
     }
   else
     {
       g_error ("connection not matching");
     }

   if (0 == strcmp (dbus_message_get_member (message), SENDER_SIGNAL_NAME))
     {
       if (dbus_message_get_destination (message) == NULL)
         *dst = BROADCAST;
       else if (0 == strcmp (dbus_message_get_destination (message), dbus_bus_get_unique_name (*conn)))
         *dst = TO_ME;
       else /* if (dbus_message_get_destination (message) != NULL) */
         *dst = TO_OTHER;
     }
   else if (0 == strcmp (dbus_message_get_member (message), SENDER_STOPPER_NAME))
     {
       *got_stopper = TRUE;
     }
   else
     {
       g_error ("got unknown member from message: %s",
           dbus_message_get_member (message));
     }

   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }

 static void
 add_receiver_filter (Fixture *f)
 {
   DBusError e = DBUS_ERROR_INIT;

   dbus_bus_add_match (f->receiver, RECEIVER_RULE, &e);
   assert_no_error (&e);
   dbus_bus_add_match (f->receiver, STOPPER_RULE, &e);
   assert_no_error (&e);

   if (!dbus_connection_add_filter (f->receiver,
         signal_filter, f, NULL))
     g_error ("OOM");
 }

 static void
 add_eavesdropper_filter (Fixture *f)
 {
   DBusError e = DBUS_ERROR_INIT;

   dbus_bus_add_match (f->eavesdropper, EAVESDROPPER_RULE, &e);
   assert_no_error (&e);
   dbus_bus_add_match (f->eavesdropper, STOPPER_RULE, &e);
   assert_no_error (&e);

   if (!dbus_connection_add_filter (f->eavesdropper,
         signal_filter, f, NULL))
     g_error ("OOM");
 }

 static void
 add_politelistener_filter (Fixture *f)
 {
   DBusError e = DBUS_ERROR_INIT;

   dbus_bus_add_match (f->politelistener, POLITELISTENER_RULE, &e);
   assert_no_error (&e);
   dbus_bus_add_match (f->politelistener, STOPPER_RULE, &e);
   assert_no_error (&e);

   if (!dbus_connection_add_filter (f->politelistener,
         signal_filter, f, NULL))
     g_error ("OOM");
 }

 static void
 setup (Fixture *f,
     gconstpointer context G_GNUC_UNUSED)
 {
   gchar *dbus_daemon;
   gchar *config;
   gchar *address;

   f->ge = NULL;
   dbus_error_init (&f->e);

   dbus_daemon = g_strdup (g_getenv ("DBUS_TEST_DAEMON"));

   if (dbus_daemon == NULL)
     dbus_daemon = g_strdup ("dbus-daemon");

   if (g_getenv ("DBUS_TEST_SYSCONFDIR") != NULL)
     {
       config = g_strdup_printf ("--config-file=%s/dbus-1/session.conf",
           g_getenv ("DBUS_TEST_SYSCONFDIR"));
     }
   else if (g_getenv ("DBUS_TEST_DATA") != NULL)
     {
       config = g_strdup_printf (
           "--config-file=%s/valid-config-files/session.conf",
           g_getenv ("DBUS_TEST_DATA"));
     }
   else
     {
       config = g_strdup ("--session");
     }

   address = spawn_dbus_daemon (dbus_daemon, config, &f->daemon_pid);

   g_free (dbus_daemon);
   g_free (config);

   f->sender = connect_to_bus (address);
   dbus_bus_request_name (f->sender, SENDER_NAME, DBUS_NAME_FLAG_DO_NOT_QUEUE,
       &(f->e));
   f->receiver = connect_to_bus (address);
   f->eavesdropper = connect_to_bus (address);
   f->politelistener = connect_to_bus (address);
   add_receiver_filter (f);
   add_politelistener_filter (f);
   add_eavesdropper_filter (f);

   g_free (address);
 }

 static void
 test_eavesdrop_broadcast (Fixture *f,
     gconstpointer context G_GNUC_UNUSED)
 {
   sender_send_broadcast (f);
   sender_send_stopper (f);

   while (!f->receiver_got_stopper ||
       !f->politelistener_got_stopper ||
       !f->eavesdropper_got_stopper)
     g_main_context_iteration (NULL, TRUE);

   /* all the three connection can receive a broadcast */
   g_assert_cmpint (f->receiver_dst, ==, BROADCAST);
   g_assert_cmpint (f->politelistener_dst, ==, BROADCAST);
   g_assert_cmpint (f->eavesdropper_dst, ==, BROADCAST);
 }

 /* a way to say that none of the listening connection are destination of the
  * signal */
 static void
 test_eavesdrop_unicast_to_sender (Fixture *f,
     gconstpointer context G_GNUC_UNUSED)
 {
   sender_send_unicast_to_sender (f);
   sender_send_stopper (f);

   while (!f->receiver_got_stopper ||
       !f->politelistener_got_stopper ||
       !f->eavesdropper_got_stopper)
     g_main_context_iteration (NULL, TRUE);

   /* not directed to it and not broadcasted, they cannot receive it */
   g_assert_cmpint (f->receiver_dst, ==, NONE_YET);
   g_assert_cmpint (f->politelistener_dst, ==, NONE_YET);
   /* eavesdrop=true, it will receive the signal even though it's not directed
    * to it */
   g_assert_cmpint (f->eavesdropper_dst, ==, TO_OTHER);
 }

 static void
 test_eavesdrop_unicast_to_receiver (Fixture *f,
     gconstpointer context G_GNUC_UNUSED)
 {
   sender_send_unicast_to_receiver (f);
   sender_send_stopper (f);

   while (!f->receiver_got_stopper ||
       !f->politelistener_got_stopper ||
       !f->eavesdropper_got_stopper)
     g_main_context_iteration (NULL, TRUE);

   /* direct to him */
   g_assert_cmpint (f->receiver_dst, ==, TO_ME);
   /* not directed to it and not broadcasted, it cannot receive it */
   g_assert_cmpint (f->politelistener_dst, ==, NONE_YET);
   /* eavesdrop=true, it will receive the signal even though it's not directed
    * to it */
   g_assert_cmpint (f->eavesdropper_dst, ==, TO_OTHER);
 }

 static void
 teardown (Fixture *f,
     gconstpointer context G_GNUC_UNUSED)
 {
   dbus_error_free (&f->e);
   g_clear_error (&f->ge);

   if (f->sender != NULL)
     {
       dbus_connection_close (f->sender);
       dbus_connection_unref (f->sender);
       f->sender = NULL;
     }

   if (f->receiver != NULL)
     {
       dbus_connection_remove_filter (f->receiver,
           signal_filter, f);

       dbus_connection_close (f->receiver);
       dbus_connection_unref (f->receiver);
       f->receiver = NULL;
     }

   if (f->politelistener != NULL)
     {
       dbus_connection_remove_filter (f->politelistener,
           signal_filter, f);

       dbus_connection_close (f->politelistener);
       dbus_connection_unref (f->politelistener);
       f->politelistener = NULL;
     }

   if (f->eavesdropper != NULL)
     {
       dbus_connection_remove_filter (f->eavesdropper,
           signal_filter, f);

       dbus_connection_close (f->eavesdropper);
       dbus_connection_unref (f->eavesdropper);
       f->eavesdropper = NULL;
     }

 #ifdef DBUS_WIN
   TerminateProcess (f->daemon_pid, 1);
 #else
   kill (f->daemon_pid, SIGTERM);
 #endif

   g_spawn_close_pid (f->daemon_pid);
 }

 int
 main (int argc,
     char **argv)
 {
   g_test_init (&argc, &argv, NULL);
   g_test_bug_base ("https://bugs.freedesktop.org/show_bug.cgi?id=");

   g_test_add ("/eavedrop/match_keyword/broadcast", Fixture, NULL,
       setup, test_eavesdrop_broadcast, teardown);
   g_test_add ("/eavedrop/match_keyword/unicast_to_receiver", Fixture, NULL,
       setup, test_eavesdrop_unicast_to_receiver,
       teardown);
   g_test_add ("/eavedrop/match_keyword/unicast_to_sender", Fixture, NULL,
       setup, test_eavesdrop_unicast_to_sender, teardown);

   return g_test_run ();
 }
	/* Integration tests for the eavesdrop=true\|false keyword in DBusMatchRule
	*
	* Author: Cosimo Alfarano <cosimo.alfarano@collabora.co.uk>
	* Based on: tests/dbus-daemon.c by Simon McVittie
	* Copyright © 2010-2011 Nokia Corporation
	*
	* Permission is hereby granted, free of charge, to any person
	* obtaining a copy of this software and associated documentation files
	* (the "Software"), to deal in the Software without restriction,
	* including without limitation the rights to use, copy, modify, merge,
	* publish, distribute, sublicense, and/or sell copies of the Software,
	* and to permit persons to whom the Software is furnished to do so,
	* subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be
	* included in all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#include <config.h>

	#include <glib.h>

	#include <dbus/dbus.h>
	#include <dbus/dbus-glib-lowlevel.h>

	#include <string.h>

	#ifdef DBUS_WIN
	# include <io.h>
	# include <windows.h>
	#else
	# include <signal.h>
	# include <unistd.h>
	#endif

	#define SENDER_NAME "test.eavesdrop.sender"
	#define SENDER_PATH "/test/eavesdrop/sender"
	#define SENDER_IFACE SENDER_NAME
	#define SENDER_SIGNAL_NAME "Signal"
	#define SENDER_STOPPER_NAME "Stopper"

	/* This rule is equivalent to the one added to a proxy connecting to
	* SENDER_NAME+SENDER_IFACE, plus restricting on signal name.
	* Being more restrictive, if the connection receives what we need, for sure
	* the original proxy rule will match it */
	#define RECEIVER_RULE "sender='" SENDER_NAME "'," \
	"interface='" SENDER_IFACE "'," \
	"type='signal'," \
	"member='" SENDER_SIGNAL_NAME "'"
	#define POLITELISTENER_RULE RECEIVER_RULE
	#define EAVESDROPPER_RULE RECEIVER_RULE ",eavesdrop=true"

	#define STOPPER_RULE "sender='" SENDER_NAME \
	"',interface='" SENDER_IFACE "',type='signal',member='" SENDER_STOPPER_NAME "'"

	/* a connection received a signal to whom? */
	typedef enum {
	NONE_YET = 0,
	TO_ME,
	TO_OTHER,
	BROADCAST,
	} SignalDst;

	typedef struct {
	DBusError e;
	GError *ge;

	GPid daemon_pid;

	/* eavedrop keyword tests */
	DBusConnection *sender;
	DBusConnection *receiver;
	SignalDst receiver_dst;
	dbus_bool_t receiver_got_stopper;
	DBusConnection *eavesdropper;
	SignalDst eavesdropper_dst;
	dbus_bool_t eavesdropper_got_stopper;
	DBusConnection *politelistener;
	SignalDst politelistener_dst;
	dbus_bool_t politelistener_got_stopper;
	} Fixture;

	#define assert_no_error(e) _assert_no_error (e, __FILE__, __LINE__)
	static void
	_assert_no_error (const DBusError *e,
	const char *file,
	int line)
	{
	if (G_UNLIKELY (dbus_error_is_set (e)))
	g_error ("%s:%d: expected success but got error: %s: %s",
	file, line, e->name, e->message);
	}

	static gchar *
	spawn_dbus_daemon (gchar *binary,
	gchar *configuration,
	GPid *daemon_pid)
	{
	GError *error = NULL;
	GString *address;
	gint address_fd;
	gchar *argv[] = {
	binary,
	configuration,
	"--nofork",
	"--print-address=1", /* stdout */
	NULL
	};

	g_spawn_async_with_pipes (NULL, /* working directory */
	argv,
	NULL, /* envp */
	G_SPAWN_DO_NOT_REAP_CHILD \| G_SPAWN_SEARCH_PATH,
	NULL, /* child_setup */
	NULL, /* user data */
	daemon_pid,
	NULL, /* child's stdin = /dev/null */
	&address_fd,
	NULL, /* child's stderr = our stderr */
	&error);
	g_assert_no_error (error);

	address = g_string_new (NULL);

	/* polling until the dbus-daemon writes out its address is a bit stupid,
	* but at least it's simple, unlike dbus-launch... in principle we could
	* use select() here, but life's too short */
	while (1)
	{
	gssize bytes;
	gchar buf[4096];
	gchar *newline;

	bytes = read (address_fd, buf, sizeof (buf));

	if (bytes > 0)
	g_string_append_len (address, buf, bytes);

	newline = strchr (address->str, '\n');

	if (newline != NULL)
	{
	g_string_truncate (address, newline - address->str);
	break;
	}

	g_usleep (G_USEC_PER_SEC / 10);
	}

	return g_string_free (address, FALSE);
	}

	static DBusConnection *
	connect_to_bus (const gchar *address)
	{
	DBusConnection *conn;
	DBusError error = DBUS_ERROR_INIT;
	dbus_bool_t ok;

	conn = dbus_connection_open_private (address, &error);
	assert_no_error (&error);
	g_assert (conn != NULL);

	ok = dbus_bus_register (conn, &error);
	assert_no_error (&error);
	g_assert (ok);
	g_assert (dbus_bus_get_unique_name (conn) != NULL);

	dbus_connection_setup_with_g_main (conn, NULL);
	return conn;
	}

	/* send a unicast signal to <self> to ensure that no other connection
	* listening is the actual recipient for the signal */
	static DBusHandlerResult
	sender_send_unicast_to_sender (Fixture *f)
	{
	DBusMessage *signal;

	signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE,
	SENDER_SIGNAL_NAME);
	dbus_message_set_destination (signal, dbus_bus_get_unique_name (f->sender));

	if (signal == NULL)
	g_error ("OOM");

	if (!dbus_connection_send (f->sender, signal, NULL))
	g_error ("OOM");

	dbus_message_unref (signal);

	return DBUS_HANDLER_RESULT_HANDLED;
	}

	/* send a unicast signal to <receiver>, making <politelistener> and
	* <eavesdropper> not a actual recipient for it */
	static DBusHandlerResult
	sender_send_unicast_to_receiver (Fixture *f)
	{
	DBusMessage *signal;

	signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_SIGNAL_NAME);
	dbus_message_set_destination (signal, dbus_bus_get_unique_name (f->receiver));

	if (signal == NULL)
	g_error ("OOM");

	if (!dbus_connection_send (f->sender, signal, NULL))
	g_error ("OOM");

	dbus_message_unref (signal);

	return DBUS_HANDLER_RESULT_HANDLED;
	}

	static DBusHandlerResult
	sender_send_broadcast (Fixture *f)
	{
	DBusMessage *signal;

	signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_SIGNAL_NAME);
	dbus_message_set_destination (signal, NULL);

	if (signal == NULL)
	g_error ("OOM");

	if (!dbus_connection_send (f->sender, signal, NULL))
	g_error ("OOM");

	dbus_message_unref (signal);

	return DBUS_HANDLER_RESULT_HANDLED;
	}

	/* Send special broadcast signal to indicate that the connections can "stop"
	* listening and check their results.
	* DBus does not re-order messages, so when the three connections have received
	* this signal, we are sure that any message sent before it has also been
	* dispatched. */
	static DBusHandlerResult
	sender_send_stopper (Fixture *f)
	{
	DBusMessage *signal;

	signal = dbus_message_new_signal (SENDER_PATH, SENDER_IFACE, SENDER_STOPPER_NAME);
	dbus_message_set_destination (signal, NULL);

	if (signal == NULL)
	g_error ("OOM");

	if (!dbus_connection_send (f->sender, signal, NULL))
	g_error ("OOM");

	dbus_message_unref (signal);

	return DBUS_HANDLER_RESULT_HANDLED;
	}

	/* Ignore NameAcquired, then depending on the signal received:
	* - updates f-><conn>_dst based on the destination of the message
	* - asserts that <conn> received the stop signal
	*/
	static DBusHandlerResult
	signal_filter (DBusConnection *connection,
	DBusMessage *message,
	void *user_data)
	{
	Fixture *f = user_data;
	SignalDst *dst = NULL;
	DBusConnection **conn;
	dbus_bool_t *got_stopper;

	if (0 == strcmp (dbus_message_get_member (message), "NameAcquired"))
	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;

	if (connection == f->receiver)
	{
	dst = &(f->receiver_dst);
	conn = &(f->receiver);
	got_stopper = &(f->receiver_got_stopper);
	}
	else if (connection == f->eavesdropper)
	{
	dst = &(f->eavesdropper_dst);
	conn = &(f->eavesdropper);
	got_stopper = &(f->eavesdropper_got_stopper);
	}
	else if (connection == f->politelistener)
	{
	dst = &(f->politelistener_dst);
	conn = &(f->politelistener);
	got_stopper = &(f->politelistener_got_stopper);
	}
	else
	{
	g_error ("connection not matching");
	}

	if (0 == strcmp (dbus_message_get_member (message), SENDER_SIGNAL_NAME))
	{
	if (dbus_message_get_destination (message) == NULL)
	*dst = BROADCAST;
	else if (0 == strcmp (dbus_message_get_destination (message), dbus_bus_get_unique_name (*conn)))
	*dst = TO_ME;
	else /* if (dbus_message_get_destination (message) != NULL) */
	*dst = TO_OTHER;
	}
	else if (0 == strcmp (dbus_message_get_member (message), SENDER_STOPPER_NAME))
	{
	*got_stopper = TRUE;
	}
	else
	{
	g_error ("got unknown member from message: %s",
	dbus_message_get_member (message));
	}

	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
	}

	static void
	add_receiver_filter (Fixture *f)
	{
	DBusError e = DBUS_ERROR_INIT;

	dbus_bus_add_match (f->receiver, RECEIVER_RULE, &e);
	assert_no_error (&e);
	dbus_bus_add_match (f->receiver, STOPPER_RULE, &e);
	assert_no_error (&e);

	if (!dbus_connection_add_filter (f->receiver,
	signal_filter, f, NULL))
	g_error ("OOM");
	}

	static void
	add_eavesdropper_filter (Fixture *f)
	{
	DBusError e = DBUS_ERROR_INIT;

	dbus_bus_add_match (f->eavesdropper, EAVESDROPPER_RULE, &e);
	assert_no_error (&e);
	dbus_bus_add_match (f->eavesdropper, STOPPER_RULE, &e);
	assert_no_error (&e);

	if (!dbus_connection_add_filter (f->eavesdropper,
	signal_filter, f, NULL))
	g_error ("OOM");
	}

	static void
	add_politelistener_filter (Fixture *f)
	{
	DBusError e = DBUS_ERROR_INIT;

	dbus_bus_add_match (f->politelistener, POLITELISTENER_RULE, &e);
	assert_no_error (&e);
	dbus_bus_add_match (f->politelistener, STOPPER_RULE, &e);
	assert_no_error (&e);

	if (!dbus_connection_add_filter (f->politelistener,
	signal_filter, f, NULL))
	g_error ("OOM");
	}

	static void
	setup (Fixture *f,
	gconstpointer context G_GNUC_UNUSED)
	{
	gchar *dbus_daemon;
	gchar *config;
	gchar *address;

	f->ge = NULL;
	dbus_error_init (&f->e);

	dbus_daemon = g_strdup (g_getenv ("DBUS_TEST_DAEMON"));

	if (dbus_daemon == NULL)
	dbus_daemon = g_strdup ("dbus-daemon");

	if (g_getenv ("DBUS_TEST_SYSCONFDIR") != NULL)
	{
	config = g_strdup_printf ("--config-file=%s/dbus-1/session.conf",
	g_getenv ("DBUS_TEST_SYSCONFDIR"));
	}
	else if (g_getenv ("DBUS_TEST_DATA") != NULL)
	{
	config = g_strdup_printf (
	"--config-file=%s/valid-config-files/session.conf",
	g_getenv ("DBUS_TEST_DATA"));
	}
	else
	{
	config = g_strdup ("--session");
	}

	address = spawn_dbus_daemon (dbus_daemon, config, &f->daemon_pid);

	g_free (dbus_daemon);
	g_free (config);

	f->sender = connect_to_bus (address);
	dbus_bus_request_name (f->sender, SENDER_NAME, DBUS_NAME_FLAG_DO_NOT_QUEUE,
	&(f->e));
	f->receiver = connect_to_bus (address);
	f->eavesdropper = connect_to_bus (address);
	f->politelistener = connect_to_bus (address);
	add_receiver_filter (f);
	add_politelistener_filter (f);
	add_eavesdropper_filter (f);

	g_free (address);
	}

	static void
	test_eavesdrop_broadcast (Fixture *f,
	gconstpointer context G_GNUC_UNUSED)
	{
	sender_send_broadcast (f);
	sender_send_stopper (f);

	while (!f->receiver_got_stopper \|\|
	!f->politelistener_got_stopper \|\|
	!f->eavesdropper_got_stopper)
	g_main_context_iteration (NULL, TRUE);

	/* all the three connection can receive a broadcast */
	g_assert_cmpint (f->receiver_dst, ==, BROADCAST);
	g_assert_cmpint (f->politelistener_dst, ==, BROADCAST);
	g_assert_cmpint (f->eavesdropper_dst, ==, BROADCAST);
	}

	/* a way to say that none of the listening connection are destination of the
	* signal */
	static void
	test_eavesdrop_unicast_to_sender (Fixture *f,
	gconstpointer context G_GNUC_UNUSED)
	{
	sender_send_unicast_to_sender (f);
	sender_send_stopper (f);

	while (!f->receiver_got_stopper \|\|
	!f->politelistener_got_stopper \|\|
	!f->eavesdropper_got_stopper)
	g_main_context_iteration (NULL, TRUE);

	/* not directed to it and not broadcasted, they cannot receive it */
	g_assert_cmpint (f->receiver_dst, ==, NONE_YET);
	g_assert_cmpint (f->politelistener_dst, ==, NONE_YET);
	/* eavesdrop=true, it will receive the signal even though it's not directed
	* to it */
	g_assert_cmpint (f->eavesdropper_dst, ==, TO_OTHER);
	}

	static void
	test_eavesdrop_unicast_to_receiver (Fixture *f,
	gconstpointer context G_GNUC_UNUSED)
	{
	sender_send_unicast_to_receiver (f);
	sender_send_stopper (f);

	while (!f->receiver_got_stopper \|\|
	!f->politelistener_got_stopper \|\|
	!f->eavesdropper_got_stopper)
	g_main_context_iteration (NULL, TRUE);

	/* direct to him */
	g_assert_cmpint (f->receiver_dst, ==, TO_ME);
	/* not directed to it and not broadcasted, it cannot receive it */
	g_assert_cmpint (f->politelistener_dst, ==, NONE_YET);
	/* eavesdrop=true, it will receive the signal even though it's not directed
	* to it */
	g_assert_cmpint (f->eavesdropper_dst, ==, TO_OTHER);
	}

	static void
	teardown (Fixture *f,
	gconstpointer context G_GNUC_UNUSED)
	{
	dbus_error_free (&f->e);
	g_clear_error (&f->ge);

	if (f->sender != NULL)
	{
	dbus_connection_close (f->sender);
	dbus_connection_unref (f->sender);
	f->sender = NULL;
	}

	if (f->receiver != NULL)
	{
	dbus_connection_remove_filter (f->receiver,
	signal_filter, f);

	dbus_connection_close (f->receiver);
	dbus_connection_unref (f->receiver);
	f->receiver = NULL;
	}

	if (f->politelistener != NULL)
	{
	dbus_connection_remove_filter (f->politelistener,
	signal_filter, f);

	dbus_connection_close (f->politelistener);
	dbus_connection_unref (f->politelistener);
	f->politelistener = NULL;
	}

	if (f->eavesdropper != NULL)
	{
	dbus_connection_remove_filter (f->eavesdropper,
	signal_filter, f);

	dbus_connection_close (f->eavesdropper);
	dbus_connection_unref (f->eavesdropper);
	f->eavesdropper = NULL;
	}

	#ifdef DBUS_WIN
	TerminateProcess (f->daemon_pid, 1);
	#else
	kill (f->daemon_pid, SIGTERM);
	#endif

	g_spawn_close_pid (f->daemon_pid);
	}

	int
	main (int argc,
	char **argv)
	{
	g_test_init (&argc, &argv, NULL);
	g_test_bug_base ("https://bugs.freedesktop.org/show_bug.cgi?id=");

	g_test_add ("/eavedrop/match_keyword/broadcast", Fixture, NULL,
	setup, test_eavesdrop_broadcast, teardown);
	g_test_add ("/eavedrop/match_keyword/unicast_to_receiver", Fixture, NULL,
	setup, test_eavesdrop_unicast_to_receiver,
	teardown);
	g_test_add ("/eavedrop/match_keyword/unicast_to_sender", Fixture, NULL,
	setup, test_eavesdrop_unicast_to_sender, teardown);

	return g_test_run ();
	}