/* dispatch.c Message dispatcher
*
* Copyright (C) 2003 CodeFactory AB
+ * Copyright (C) 2003 Red Hat, Inc.
*
* Licensed under the Academic Free License version 1.2
*
#include "services.h"
#include "utils.h"
#include "bus.h"
+#include "test.h"
#include <dbus/dbus-internals.h>
#include <string.h>
-static int message_handler_slot;
+static int message_handler_slot = -1;
+static int message_handler_slot_refcount;
typedef struct
{
DBusError tmp_error;
SendMessageData d;
BusConnections *connections;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
_dbus_assert (dbus_message_get_sender (message) != NULL);
DBusMessage *error_reply;
DBusString error_message;
const char *error_str;
-
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
/* Trying to send a message to a non-existant service,
* bounce back an error message.
*/
- if (!_dbus_string_init (&error_message, _DBUS_INT_MAX))
+ if (!_dbus_string_init (&error_message))
{
BUS_SET_OOM (error);
return FALSE;
return FALSE;
}
- _dbus_string_get_const_data (&error_message, &error_str);
+ error_str = _dbus_string_get_const_data (&error_message);
error_reply = dbus_message_new_error_reply (in_reply_to,
DBUS_ERROR_SERVICE_DOES_NOT_EXIST,
error_str);
BUS_SET_OOM (error);
return FALSE;
}
-
+
+ if (!dbus_message_set_sender (error_reply, DBUS_SERVICE_DBUS))
+ {
+ dbus_message_unref (error_reply);
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
+
if (!bus_transaction_send_message (transaction, connection, error_reply))
{
dbus_message_unref (error_reply);
return TRUE;
}
-static DBusHandlerResult
-bus_dispatch_message_handler (DBusMessageHandler *handler,
- DBusConnection *connection,
- DBusMessage *message,
- void *user_data)
+static void
+bus_dispatch (DBusConnection *connection,
+ DBusMessage *message)
{
const char *sender, *service_name, *message_name;
DBusError error;
transaction = NULL;
dbus_error_init (&error);
-
+
context = bus_connection_get_context (connection);
_dbus_assert (context != NULL);
* until we can.
*/
while (!bus_connection_preallocate_oom_error (connection))
- bus_wait_for_memory ();
+ _dbus_wait_for_memory ();
/* Ref connection in case we disconnect it at some point in here */
dbus_connection_ref (connection);
_dbus_assert (message_name != NULL); /* DBusMessageLoader is supposed to check this */
+ _dbus_verbose ("DISPATCH: %s to %s\n",
+ message_name, service_name ? service_name : "peer");
+
/* If service_name is NULL, this is a message to the bus daemon, not intended
* to actually go "on the bus"; e.g. a peer-to-peer ping. Handle these
* immediately, especially disconnection messages.
*/
if (service_name == NULL)
- {
+ {
if (strcmp (message_name, DBUS_MESSAGE_LOCAL_DISCONNECT) == 0)
bus_connection_disconnected (connection);
{
sender = bus_connection_get_name (connection);
_dbus_assert (sender != NULL);
-
+
if (!dbus_message_set_sender (message, sender))
{
BUS_SET_OOM (&error);
goto out;
}
+
+ /* We need to refetch the service name here, because
+ * dbus_message_set_sender can cause the header to be
+ * reallocated, and thus the service_name pointer will become
+ * invalid.
+ */
+ service_name = dbus_message_get_service (message);
}
if (strcmp (service_name, DBUS_SERVICE_DBUS) == 0) /* to bus driver */
{
if (!bus_driver_handle_message (connection, transaction, message, &error))
- goto out;
+ goto out;
}
else if (!bus_connection_is_active (connection)) /* clients must talk to bus driver first */
{
}
dbus_connection_unref (connection);
+}
+
+static DBusHandlerResult
+bus_dispatch_message_handler (DBusMessageHandler *handler,
+ DBusConnection *connection,
+ DBusMessage *message,
+ void *user_data)
+{
+ bus_dispatch (connection, message);
return DBUS_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
}
+static dbus_bool_t
+message_handler_slot_ref (void)
+{
+ if (message_handler_slot < 0)
+ {
+ message_handler_slot = dbus_connection_allocate_data_slot ();
+
+ if (message_handler_slot < 0)
+ return FALSE;
+
+ _dbus_assert (message_handler_slot_refcount == 0);
+ }
+
+ message_handler_slot_refcount += 1;
+
+ return TRUE;
+}
+
+static void
+message_handler_slot_unref (void)
+{
+ _dbus_assert (message_handler_slot_refcount > 0);
+
+ message_handler_slot_refcount -= 1;
+
+ if (message_handler_slot_refcount == 0)
+ {
+ dbus_connection_free_data_slot (message_handler_slot);
+ message_handler_slot = -1;
+ }
+}
+
+static void
+free_message_handler (void *data)
+{
+ DBusMessageHandler *handler = data;
+
+ _dbus_assert (message_handler_slot >= 0);
+ _dbus_assert (message_handler_slot_refcount > 0);
+
+ dbus_message_handler_unref (handler);
+ message_handler_slot_unref ();
+}
+
dbus_bool_t
bus_dispatch_add_connection (DBusConnection *connection)
{
DBusMessageHandler *handler;
-
- message_handler_slot = dbus_connection_allocate_data_slot ();
- if (message_handler_slot < 0)
+ if (!message_handler_slot_ref ())
return FALSE;
-
+
handler = dbus_message_handler_new (bus_dispatch_message_handler, NULL, NULL);
-
+ if (handler == NULL)
+ {
+ message_handler_slot_unref ();
+ return FALSE;
+ }
+
if (!dbus_connection_add_filter (connection, handler))
{
dbus_message_handler_unref (handler);
-
+ message_handler_slot_unref ();
+
return FALSE;
}
+ _dbus_assert (message_handler_slot >= 0);
+ _dbus_assert (message_handler_slot_refcount > 0);
+
if (!dbus_connection_set_data (connection,
message_handler_slot,
handler,
- (DBusFreeFunction)dbus_message_handler_unref))
+ free_message_handler))
{
- dbus_connection_remove_filter (connection, handler);
dbus_message_handler_unref (handler);
+ message_handler_slot_unref ();
return FALSE;
}
NULL, NULL);
}
+#ifdef DBUS_BUILD_TESTS
+
+typedef dbus_bool_t (* Check1Func) (BusContext *context);
+typedef dbus_bool_t (* Check2Func) (BusContext *context,
+ DBusConnection *connection);
+
+static dbus_bool_t check_no_leftovers (BusContext *context);
+
+static void
+block_connection_until_message_from_bus (BusContext *context,
+ DBusConnection *connection)
+{
+ while (dbus_connection_get_dispatch_status (connection) ==
+ DBUS_DISPATCH_COMPLETE &&
+ dbus_connection_get_is_connected (connection))
+ {
+ bus_test_run_bus_loop (context, TRUE);
+ bus_test_run_clients_loop (FALSE);
+ }
+}
+
+/* compensate for fact that pop_message() can return #NULL due to OOM */
+static DBusMessage*
+pop_message_waiting_for_memory (DBusConnection *connection)
+{
+ while (dbus_connection_get_dispatch_status (connection) ==
+ DBUS_DISPATCH_NEED_MEMORY)
+ _dbus_wait_for_memory ();
+
+ return dbus_connection_pop_message (connection);
+}
+
+typedef struct
+{
+ const char *expected_service_name;
+ dbus_bool_t failed;
+} CheckServiceDeletedData;
+
+static dbus_bool_t
+check_service_deleted_foreach (DBusConnection *connection,
+ void *data)
+{
+ CheckServiceDeletedData *d = data;
+ DBusMessage *message;
+ DBusError error;
+ char *service_name;
+
+ dbus_error_init (&error);
+ d->failed = TRUE;
+ service_name = NULL;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive a message on %p, expecting %s\n",
+ connection, DBUS_MESSAGE_SERVICE_DELETED);
+ goto out;
+ }
+ else if (!dbus_message_name_is (message, DBUS_MESSAGE_SERVICE_DELETED))
+ {
+ _dbus_warn ("Received message %s on %p, expecting %s\n",
+ dbus_message_get_name (message),
+ connection, DBUS_MESSAGE_SERVICE_DELETED);
+ goto out;
+ }
+ else
+ {
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &service_name,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_verbose ("no memory to get service name arg\n");
+ }
+ else
+ {
+ _dbus_assert (dbus_error_is_set (&error));
+ _dbus_warn ("Did not get the expected single string argument\n");
+ goto out;
+ }
+ }
+ else if (strcmp (service_name, d->expected_service_name) != 0)
+ {
+ _dbus_warn ("expected deletion of service %s, got deletion of %s\n",
+ d->expected_service_name,
+ service_name);
+ goto out;
+ }
+ }
+
+ d->failed = FALSE;
+
+ out:
+ dbus_free (service_name);
+ dbus_error_free (&error);
+
+ if (message)
+ dbus_message_unref (message);
+
+ return !d->failed;
+}
+
+static void
+kill_client_connection (BusContext *context,
+ DBusConnection *connection)
+{
+ char *base_service;
+ const char *s;
+ CheckServiceDeletedData csdd;
+
+ _dbus_verbose ("killing connection %p\n", connection);
+
+ s = dbus_bus_get_base_service (connection);
+ _dbus_assert (s != NULL);
+
+ while ((base_service = _dbus_strdup (s)) == NULL)
+ _dbus_wait_for_memory ();
+
+ dbus_connection_ref (connection);
+
+ /* kick in the disconnect handler that unrefs the connection */
+ dbus_connection_disconnect (connection);
+
+ bus_test_run_everything (context);
+
+ _dbus_assert (bus_test_client_listed (connection));
+
+ /* Run disconnect handler in test.c */
+ if (bus_connection_dispatch_one_message (connection))
+ _dbus_assert_not_reached ("something received on connection being killed other than the disconnect");
+
+ _dbus_assert (!dbus_connection_get_is_connected (connection));
+ dbus_connection_unref (connection);
+ connection = NULL;
+ _dbus_assert (!bus_test_client_listed (connection));
+
+ csdd.expected_service_name = base_service;
+ csdd.failed = FALSE;
+
+ bus_test_clients_foreach (check_service_deleted_foreach,
+ &csdd);
+
+ dbus_free (base_service);
+
+ if (csdd.failed)
+ _dbus_assert_not_reached ("didn't get the expected ServiceDeleted messages");
+
+ if (!check_no_leftovers (context))
+ _dbus_assert_not_reached ("stuff left in message queues after disconnecting a client");
+}
+
+static void
+kill_client_connection_unchecked (DBusConnection *connection)
+{
+ /* This kills the connection without expecting it to affect
+ * the rest of the bus.
+ */
+ _dbus_verbose ("Unchecked kill of connection %p\n", connection);
+
+ dbus_connection_ref (connection);
+ dbus_connection_disconnect (connection);
+ /* dispatching disconnect handler will unref once */
+ if (bus_connection_dispatch_one_message (connection))
+ _dbus_assert_not_reached ("message other than disconnect dispatched after failure to register");
+ dbus_connection_unref (connection);
+ _dbus_assert (!bus_test_client_listed (connection));
+}
+
+typedef struct
+{
+ dbus_bool_t failed;
+} CheckNoMessagesData;
+
+static dbus_bool_t
+check_no_messages_foreach (DBusConnection *connection,
+ void *data)
+{
+ CheckNoMessagesData *d = data;
+ DBusMessage *message;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message != NULL)
+ {
+ _dbus_warn ("Received message %s on %p, expecting no messages\n",
+ dbus_message_get_name (message), connection);
+ d->failed = TRUE;
+ }
+
+ if (message)
+ dbus_message_unref (message);
+ return !d->failed;
+}
+
+typedef struct
+{
+ DBusConnection *skip_connection;
+ const char *expected_service_name;
+ dbus_bool_t failed;
+} CheckServiceCreatedData;
+
+static dbus_bool_t
+check_service_created_foreach (DBusConnection *connection,
+ void *data)
+{
+ CheckServiceCreatedData *d = data;
+ DBusMessage *message;
+ DBusError error;
+ char *service_name;
+
+ if (connection == d->skip_connection)
+ return TRUE;
+
+ dbus_error_init (&error);
+ d->failed = TRUE;
+ service_name = NULL;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive a message on %p, expecting %s\n",
+ connection, DBUS_MESSAGE_SERVICE_CREATED);
+ goto out;
+ }
+ else if (!dbus_message_name_is (message, DBUS_MESSAGE_SERVICE_CREATED))
+ {
+ _dbus_warn ("Received message %s on %p, expecting %s\n",
+ dbus_message_get_name (message),
+ connection, DBUS_MESSAGE_SERVICE_CREATED);
+ goto out;
+ }
+ else
+ {
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &service_name,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_verbose ("no memory to get service name arg\n");
+ }
+ else
+ {
+ _dbus_assert (dbus_error_is_set (&error));
+ _dbus_warn ("Did not get the expected single string argument\n");
+ goto out;
+ }
+ }
+ else if (strcmp (service_name, d->expected_service_name) != 0)
+ {
+ _dbus_warn ("expected creation of service %s, got creation of %s\n",
+ d->expected_service_name,
+ service_name);
+ goto out;
+ }
+ }
+
+ d->failed = FALSE;
+
+ out:
+ dbus_free (service_name);
+ dbus_error_free (&error);
+
+ if (message)
+ dbus_message_unref (message);
+
+ return !d->failed;
+}
+
+static dbus_bool_t
+check_no_leftovers (BusContext *context)
+{
+ CheckNoMessagesData nmd;
+
+ nmd.failed = FALSE;
+ bus_test_clients_foreach (check_no_messages_foreach,
+ &nmd);
+
+ if (nmd.failed)
+ return FALSE;
+ else
+ return TRUE;
+}
+
+/* returns TRUE if the correct thing happens,
+ * but the correct thing may include OOM errors.
+ */
+static dbus_bool_t
+check_hello_message (BusContext *context,
+ DBusConnection *connection)
+{
+ DBusMessage *message;
+ dbus_int32_t serial;
+ dbus_bool_t retval;
+ DBusError error;
+ char *name;
+ char *acquired;
+
+ dbus_error_init (&error);
+ name = NULL;
+ acquired = NULL;
+
+ message = dbus_message_new (DBUS_SERVICE_DBUS,
+ DBUS_MESSAGE_HELLO);
+
+ if (message == NULL)
+ return TRUE;
+
+ if (!dbus_connection_send (connection, message, &serial))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ bus_test_run_everything (context);
+
+ if (!dbus_connection_get_is_connected (connection))
+ {
+ _dbus_verbose ("connection was disconnected\n");
+ return TRUE;
+ }
+
+ retval = FALSE;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive a reply to %s %d on %p\n",
+ DBUS_MESSAGE_HELLO, serial, connection);
+ goto out;
+ }
+
+ _dbus_verbose ("Received %s on %p\n",
+ dbus_message_get_name (message), connection);
+
+ if (!dbus_message_sender_is (message, DBUS_SERVICE_DBUS))
+ {
+ _dbus_warn ("Message has wrong sender %s\n",
+ dbus_message_get_sender (message) ?
+ dbus_message_get_sender (message) : "(none)");
+ goto out;
+ }
+
+ if (dbus_message_get_is_error (message))
+ {
+ if (dbus_message_name_is (message,
+ DBUS_ERROR_NO_MEMORY))
+ {
+ ; /* good, this is a valid response */
+ }
+ else
+ {
+ _dbus_warn ("Did not expect error %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+ }
+ else
+ {
+ CheckServiceCreatedData scd;
+
+ if (dbus_message_name_is (message,
+ DBUS_MESSAGE_HELLO))
+ {
+ ; /* good, expected */
+ }
+ else
+ {
+ _dbus_warn ("Did not expect reply %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ retry_get_hello_name:
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_verbose ("no memory to get service name arg from hello\n");
+ dbus_error_free (&error);
+ _dbus_wait_for_memory ();
+ goto retry_get_hello_name;
+ }
+ else
+ {
+ _dbus_assert (dbus_error_is_set (&error));
+ _dbus_warn ("Did not get the expected single string argument to hello\n");
+ goto out;
+ }
+ }
+
+ _dbus_verbose ("Got hello name: %s\n", name);
+
+ while (!dbus_bus_set_base_service (connection, name))
+ _dbus_wait_for_memory ();
+
+ scd.skip_connection = NULL;
+ scd.failed = FALSE;
+ scd.expected_service_name = name;
+ bus_test_clients_foreach (check_service_created_foreach,
+ &scd);
+
+ if (scd.failed)
+ goto out;
+
+ /* Client should also have gotten ServiceAcquired */
+ dbus_message_unref (message);
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Expecting %s, got nothing\n",
+ DBUS_MESSAGE_SERVICE_ACQUIRED);
+ goto out;
+ }
+
+ retry_get_acquired_name:
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &acquired,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_verbose ("no memory to get service name arg from acquired\n");
+ dbus_error_free (&error);
+ _dbus_wait_for_memory ();
+ goto retry_get_acquired_name;
+ }
+ else
+ {
+ _dbus_assert (dbus_error_is_set (&error));
+ _dbus_warn ("Did not get the expected single string argument to ServiceAcquired\n");
+ goto out;
+ }
+ }
+
+ _dbus_verbose ("Got acquired name: %s\n", acquired);
+
+ if (strcmp (acquired, name) != 0)
+ {
+ _dbus_warn ("Acquired name is %s but expected %s\n",
+ acquired, name);
+ goto out;
+ }
+ }
+
+ if (!check_no_leftovers (context))
+ goto out;
+
+ retval = TRUE;
+
+ out:
+ dbus_error_free (&error);
+
+ dbus_free (name);
+ dbus_free (acquired);
+
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+/* returns TRUE if the correct thing happens,
+ * but the correct thing may include OOM errors.
+ */
+static dbus_bool_t
+check_hello_connection (BusContext *context)
+{
+ DBusConnection *connection;
+ DBusError error;
+
+ dbus_error_init (&error);
+
+ connection = dbus_connection_open ("debug-pipe:name=test-server", &error);
+ if (connection == NULL)
+ {
+ _DBUS_ASSERT_ERROR_IS_SET (&error);
+ dbus_error_free (&error);
+ return TRUE;
+ }
+
+ if (!bus_setup_debug_client (connection))
+ {
+ dbus_connection_disconnect (connection);
+ dbus_connection_unref (connection);
+ return TRUE;
+ }
+
+ if (!check_hello_message (context, connection))
+ return FALSE;
+
+ if (dbus_bus_get_base_service (connection) == NULL)
+ {
+ /* We didn't successfully register, so we can't
+ * do the usual kill_client_connection() checks
+ */
+ kill_client_connection_unchecked (connection);
+ }
+ else
+ {
+ kill_client_connection (context, connection);
+ }
+
+ return TRUE;
+}
+
+#define NONEXISTENT_SERVICE_NAME "test.this.service.does.not.exist.ewuoiurjdfxcvn"
+
+/* returns TRUE if the correct thing happens,
+ * but the correct thing may include OOM errors.
+ */
+static dbus_bool_t
+check_nonexistent_service_activation (BusContext *context,
+ DBusConnection *connection)
+{
+ DBusMessage *message;
+ dbus_int32_t serial;
+ dbus_bool_t retval;
+ DBusError error;
+
+ dbus_error_init (&error);
+
+ message = dbus_message_new (DBUS_SERVICE_DBUS,
+ DBUS_MESSAGE_ACTIVATE_SERVICE);
+
+ if (message == NULL)
+ return TRUE;
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_STRING, NONEXISTENT_SERVICE_NAME,
+ DBUS_TYPE_UINT32, 0,
+ DBUS_TYPE_INVALID))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ if (!dbus_connection_send (connection, message, &serial))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ bus_test_run_everything (context);
+ block_connection_until_message_from_bus (context, connection);
+ bus_test_run_everything (context);
+
+ if (!dbus_connection_get_is_connected (connection))
+ {
+ _dbus_verbose ("connection was disconnected\n");
+ return TRUE;
+ }
+
+ retval = FALSE;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive a reply to %s %d on %p\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE, serial, connection);
+ goto out;
+ }
+
+ _dbus_verbose ("Received %s on %p\n",
+ dbus_message_get_name (message), connection);
+
+ if (dbus_message_get_is_error (message))
+ {
+ if (!dbus_message_sender_is (message, DBUS_SERVICE_DBUS))
+ {
+ _dbus_warn ("Message has wrong sender %s\n",
+ dbus_message_get_sender (message) ?
+ dbus_message_get_sender (message) : "(none)");
+ goto out;
+ }
+
+ if (dbus_message_name_is (message,
+ DBUS_ERROR_NO_MEMORY))
+ {
+ ; /* good, this is a valid response */
+ }
+ else if (dbus_message_name_is (message,
+ DBUS_ERROR_ACTIVATE_SERVICE_NOT_FOUND))
+ {
+ ; /* good, this is expected also */
+ }
+ else
+ {
+ _dbus_warn ("Did not expect error %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+ }
+ else
+ {
+ _dbus_warn ("Did not expect to successfully activate %s\n",
+ NONEXISTENT_SERVICE_NAME);
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+static dbus_bool_t
+check_base_service_activated (BusContext *context,
+ DBusConnection *connection,
+ DBusMessage *initial_message,
+ char **base_service_p)
+{
+ DBusMessage *message;
+ dbus_bool_t retval;
+ DBusError error;
+ char *base_service;
+
+ base_service = NULL;
+ retval = FALSE;
+
+ dbus_error_init (&error);
+
+ message = initial_message;
+ dbus_message_ref (message);
+
+ if (dbus_message_name_is (message, DBUS_MESSAGE_SERVICE_CREATED))
+ {
+ char *service_name;
+ CheckServiceCreatedData scd;
+
+ reget_service_name_arg:
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &service_name,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ dbus_error_free (&error);
+ _dbus_wait_for_memory ();
+ goto reget_service_name_arg;
+ }
+ else
+ {
+ _dbus_warn ("Message %s doesn't have a service name: %s\n",
+ dbus_message_get_name (message),
+ error.message);
+ dbus_error_free (&error);
+ goto out;
+ }
+ }
+
+ if (*service_name != ':')
+ {
+ _dbus_warn ("Expected base service activation, got \"%s\" instead\n",
+ service_name);
+ goto out;
+ }
+
+ base_service = service_name;
+ service_name = NULL;
+
+ scd.skip_connection = connection;
+ scd.failed = FALSE;
+ scd.expected_service_name = base_service;
+ bus_test_clients_foreach (check_service_created_foreach,
+ &scd);
+
+ if (scd.failed)
+ goto out;
+ }
+ else
+ {
+ _dbus_warn ("Expected to get base service ServiceCreated, instead got %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ retval = TRUE;
+
+ if (base_service_p)
+ {
+ *base_service_p = base_service;
+ base_service = NULL;
+ }
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ if (base_service)
+ dbus_free (base_service);
+
+ return retval;
+}
+
+static dbus_bool_t
+check_service_activated (BusContext *context,
+ DBusConnection *connection,
+ const char *activated_name,
+ const char *base_service_name,
+ DBusMessage *initial_message)
+{
+ DBusMessage *message;
+ dbus_bool_t retval;
+ DBusError error;
+ dbus_uint32_t activation_result;
+
+ retval = FALSE;
+
+ dbus_error_init (&error);
+
+ message = initial_message;
+ dbus_message_ref (message);
+
+ if (dbus_message_name_is (message, DBUS_MESSAGE_SERVICE_CREATED))
+ {
+ char *service_name;
+ CheckServiceCreatedData scd;
+
+ reget_service_name_arg:
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_STRING, &service_name,
+ DBUS_TYPE_INVALID))
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ dbus_error_free (&error);
+ _dbus_wait_for_memory ();
+ goto reget_service_name_arg;
+ }
+ else
+ {
+ _dbus_warn ("Message %s doesn't have a service name: %s\n",
+ dbus_message_get_name (message),
+ error.message);
+ dbus_error_free (&error);
+ goto out;
+ }
+ }
+
+ if (strcmp (service_name, activated_name) != 0)
+ {
+ _dbus_warn ("Expected to see service %s created, saw %s instead\n",
+ activated_name, service_name);
+ dbus_free (service_name);
+ goto out;
+ }
+
+ scd.skip_connection = connection;
+ scd.failed = FALSE;
+ scd.expected_service_name = service_name;
+ bus_test_clients_foreach (check_service_created_foreach,
+ &scd);
+
+ dbus_free (service_name);
+
+ if (scd.failed)
+ goto out;
+
+ dbus_message_unref (message);
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Expected a reply to %s, got nothing\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE);
+ goto out;
+ }
+ }
+ else
+ {
+ _dbus_warn ("Expected to get service %s ServiceCreated, instead got %s\n",
+ activated_name, dbus_message_get_name (message));
+ goto out;
+ }
+
+ if (!dbus_message_name_is (message, DBUS_MESSAGE_ACTIVATE_SERVICE))
+ {
+ _dbus_warn ("Expected reply to %s, got message %s instead\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE,
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ activation_result = 0;
+ if (!dbus_message_get_args (message, &error,
+ DBUS_TYPE_UINT32, &activation_result,
+ DBUS_TYPE_INVALID))
+ {
+ if (!dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_warn ("Did not have activation result first argument to %s: %s\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE, error.message);
+ dbus_error_free (&error);
+ goto out;
+ }
+
+ dbus_error_free (&error);
+ }
+ else
+ {
+ if (activation_result == DBUS_ACTIVATION_REPLY_ACTIVATED)
+ ; /* Good */
+ else if (activation_result == DBUS_ACTIVATION_REPLY_ALREADY_ACTIVE)
+ ; /* Good also */
+ else
+ {
+ _dbus_warn ("Activation result was 0x%x, no good.\n",
+ activation_result);
+ goto out;
+ }
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ if (!check_no_leftovers (context))
+ {
+ _dbus_warn ("Messages were left over after verifying existent activation results\n");
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+static dbus_bool_t
+check_service_deactivated (BusContext *context,
+ DBusConnection *connection,
+ const char *activated_name,
+ const char *base_service)
+{
+ DBusMessage *message;
+ dbus_bool_t retval;
+ DBusError error;
+ CheckServiceDeletedData csdd;
+
+ message = NULL;
+ retval = FALSE;
+
+ dbus_error_init (&error);
+
+ /* Now we are expecting ServiceDeleted messages for the base
+ * service and the activated_name. The base service
+ * notification is required to come last.
+ */
+ csdd.expected_service_name = activated_name;
+ csdd.failed = FALSE;
+ bus_test_clients_foreach (check_service_deleted_foreach,
+ &csdd);
+
+ if (csdd.failed)
+ goto out;
+
+ csdd.expected_service_name = base_service;
+ csdd.failed = FALSE;
+ bus_test_clients_foreach (check_service_deleted_foreach,
+ &csdd);
+
+ if (csdd.failed)
+ goto out;
+
+ if (!check_no_leftovers (context))
+ {
+ _dbus_warn ("Messages were left over after verifying results of service exiting\n");
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+static dbus_bool_t
+check_send_exit_to_service (BusContext *context,
+ DBusConnection *connection,
+ const char *service_name,
+ const char *base_service)
+{
+ dbus_bool_t got_error;
+ DBusMessage *message;
+ dbus_int32_t serial;
+ dbus_bool_t retval;
+
+ _dbus_verbose ("Sending exit message to the test service\n");
+
+ retval = FALSE;
+
+ /* Kill off the test service by sending it a quit message */
+ message = dbus_message_new (service_name,
+ "org.freedesktop.DBus.TestSuiteExit");
+
+ if (message == NULL)
+ {
+ /* Do this again; we still need the service to exit... */
+ if (!check_send_exit_to_service (context, connection,
+ service_name, base_service))
+ goto out;
+
+ return TRUE;
+ }
+
+ if (!dbus_connection_send (connection, message, &serial))
+ {
+ dbus_message_unref (message);
+
+ /* Do this again; we still need the service to exit... */
+ if (!check_send_exit_to_service (context, connection,
+ service_name, base_service))
+ goto out;
+
+ return TRUE;
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ /* send message */
+ bus_test_run_clients_loop (TRUE);
+
+ /* read it in and write it out to test service */
+ bus_test_run_bus_loop (context, FALSE);
+
+ /* see if we got an error during message bus dispatching */
+ bus_test_run_clients_loop (FALSE);
+ message = dbus_connection_borrow_message (connection);
+ got_error = message != NULL && dbus_message_get_is_error (message);
+ if (message)
+ dbus_connection_return_message (connection, message);
+
+ if (!got_error)
+ {
+ /* If no error, wait for the test service to exit */
+ block_connection_until_message_from_bus (context, connection);
+
+ bus_test_run_everything (context);
+ }
+
+ if (got_error)
+ {
+ message = pop_message_waiting_for_memory (connection);
+ _dbus_assert (message != NULL);
+
+ if (!dbus_message_get_is_error (message))
+ {
+ _dbus_warn ("expecting an error reply to asking test service to exit, got %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+ else if (!dbus_message_name_is (message, DBUS_ERROR_NO_MEMORY))
+ {
+ _dbus_warn ("not expecting error %s when asking test service to exit\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ _dbus_verbose ("Got error %s when asking test service to exit\n",
+ dbus_message_get_name (message));
+
+ /* Do this again; we still need the service to exit... */
+ if (!check_send_exit_to_service (context, connection,
+ service_name, base_service))
+ goto out;
+ }
+ else
+ {
+ if (!check_service_deactivated (context, connection,
+ service_name, base_service))
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+static dbus_bool_t
+check_got_error (BusContext *context,
+ DBusConnection *connection,
+ const char *error_name)
+{
+ DBusMessage *message;
+ dbus_bool_t retval;
+
+ retval = FALSE;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not get an expected error\n");
+ goto out;
+ }
+
+ if (!dbus_message_get_is_error (message))
+ {
+ _dbus_warn ("Expected an error, got %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ if (!dbus_message_name_is (message, error_name))
+ {
+ _dbus_warn ("Expected error %s, got %s instead\n",
+ error_name,
+ dbus_message_get_name (message));
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+#define EXISTENT_SERVICE_NAME "org.freedesktop.DBus.TestSuiteEchoService"
+
+/* returns TRUE if the correct thing happens,
+ * but the correct thing may include OOM errors.
+ */
+static dbus_bool_t
+check_existent_service_activation (BusContext *context,
+ DBusConnection *connection)
+{
+ DBusMessage *message;
+ dbus_int32_t serial;
+ dbus_bool_t retval;
+ DBusError error;
+ char *base_service;
+
+ base_service = NULL;
+
+ dbus_error_init (&error);
+
+ message = dbus_message_new (DBUS_SERVICE_DBUS,
+ DBUS_MESSAGE_ACTIVATE_SERVICE);
+
+ if (message == NULL)
+ return TRUE;
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_STRING, EXISTENT_SERVICE_NAME,
+ DBUS_TYPE_UINT32, 0,
+ DBUS_TYPE_INVALID))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ if (!dbus_connection_send (connection, message, &serial))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ bus_test_run_everything (context);
+
+ /* now wait for the message bus to hear back from the activated
+ * service.
+ */
+ block_connection_until_message_from_bus (context, connection);
+
+ bus_test_run_everything (context);
+
+ if (!dbus_connection_get_is_connected (connection))
+ {
+ _dbus_verbose ("connection was disconnected\n");
+ return TRUE;
+ }
+
+ retval = FALSE;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive any messages after %s %d on %p\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE, serial, connection);
+ goto out;
+ }
+
+ _dbus_verbose ("Received %s on %p after sending %s\n",
+ dbus_message_get_name (message), connection,
+ DBUS_MESSAGE_ACTIVATE_SERVICE);
+
+ if (dbus_message_get_is_error (message))
+ {
+ if (!dbus_message_sender_is (message, DBUS_SERVICE_DBUS))
+ {
+ _dbus_warn ("Message has wrong sender %s\n",
+ dbus_message_get_sender (message) ?
+ dbus_message_get_sender (message) : "(none)");
+ goto out;
+ }
+
+ if (dbus_message_name_is (message,
+ DBUS_ERROR_NO_MEMORY))
+ {
+ ; /* good, this is a valid response */
+ }
+ else if (dbus_message_name_is (message,
+ DBUS_ERROR_SPAWN_CHILD_EXITED))
+ {
+ ; /* good, this is expected also */
+ }
+ else
+ {
+ _dbus_warn ("Did not expect error %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+ }
+ else
+ {
+ dbus_bool_t got_service_deleted;
+ dbus_bool_t got_error;
+
+ if (!check_base_service_activated (context, connection,
+ message, &base_service))
+ goto out;
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ /* We may need to block here for the test service to exit or finish up */
+ block_connection_until_message_from_bus (context, connection);
+
+ message = dbus_connection_borrow_message (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive any messages after base service creation notification\n");
+ goto out;
+ }
+
+ got_service_deleted = dbus_message_name_is (message, DBUS_MESSAGE_SERVICE_DELETED);
+ got_error = dbus_message_get_is_error (message);
+
+ dbus_connection_return_message (connection, message);
+ message = NULL;
+
+ if (got_error)
+ {
+ if (!check_got_error (context, connection,
+ DBUS_ERROR_SPAWN_CHILD_EXITED))
+ goto out;
+
+ /* A service deleted should be coming along now after this error.
+ * We can also get the error *after* the service deleted.
+ */
+ got_service_deleted = TRUE;
+ }
+
+ if (got_service_deleted)
+ {
+ /* The service started up and got a base address, but then
+ * failed to register under EXISTENT_SERVICE_NAME
+ */
+ CheckServiceDeletedData csdd;
+
+ csdd.expected_service_name = base_service;
+ csdd.failed = FALSE;
+ bus_test_clients_foreach (check_service_deleted_foreach,
+ &csdd);
+
+ if (csdd.failed)
+ goto out;
+
+ /* Now we should get an error about the service exiting
+ * if we didn't get it before.
+ */
+ if (!got_error)
+ {
+ block_connection_until_message_from_bus (context, connection);
+
+ /* and process everything again */
+ bus_test_run_everything (context);
+
+ if (!check_got_error (context, connection,
+ DBUS_ERROR_SPAWN_CHILD_EXITED))
+ goto out;
+ }
+ }
+ else
+ {
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Failed to pop message we just put back! should have been a ServiceCreated\n");
+ goto out;
+ }
+
+ if (!check_service_activated (context, connection, EXISTENT_SERVICE_NAME,
+ base_service, message))
+ goto out;
+
+ dbus_message_unref (message);
+ message = NULL;
+
+
+ if (!check_no_leftovers (context))
+ {
+ _dbus_warn ("Messages were left over after successful activation\n");
+ goto out;
+ }
+
+ if (!check_send_exit_to_service (context, connection,
+ EXISTENT_SERVICE_NAME, base_service))
+ goto out;
+ }
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ if (base_service)
+ dbus_free (base_service);
+
+ return retval;
+}
+
+/* returns TRUE if the correct thing happens,
+ * but the correct thing may include OOM errors.
+ */
+static dbus_bool_t
+check_segfault_service_activation (BusContext *context,
+ DBusConnection *connection)
+{
+ DBusMessage *message;
+ dbus_int32_t serial;
+ dbus_bool_t retval;
+ DBusError error;
+
+ dbus_error_init (&error);
+
+ message = dbus_message_new (DBUS_SERVICE_DBUS,
+ DBUS_MESSAGE_ACTIVATE_SERVICE);
+
+ if (message == NULL)
+ return TRUE;
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_STRING,
+ "org.freedesktop.DBus.TestSuiteSegfaultService",
+ DBUS_TYPE_UINT32, 0,
+ DBUS_TYPE_INVALID))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ if (!dbus_connection_send (connection, message, &serial))
+ {
+ dbus_message_unref (message);
+ return TRUE;
+ }
+
+ dbus_message_unref (message);
+ message = NULL;
+
+ bus_test_run_everything (context);
+ block_connection_until_message_from_bus (context, connection);
+ bus_test_run_everything (context);
+
+ if (!dbus_connection_get_is_connected (connection))
+ {
+ _dbus_verbose ("connection was disconnected\n");
+ return TRUE;
+ }
+
+ retval = FALSE;
+
+ message = pop_message_waiting_for_memory (connection);
+ if (message == NULL)
+ {
+ _dbus_warn ("Did not receive a reply to %s %d on %p\n",
+ DBUS_MESSAGE_ACTIVATE_SERVICE, serial, connection);
+ goto out;
+ }
+
+ _dbus_verbose ("Received %s on %p\n",
+ dbus_message_get_name (message), connection);
+
+ if (dbus_message_get_is_error (message))
+ {
+ if (!dbus_message_sender_is (message, DBUS_SERVICE_DBUS))
+ {
+ _dbus_warn ("Message has wrong sender %s\n",
+ dbus_message_get_sender (message) ?
+ dbus_message_get_sender (message) : "(none)");
+ goto out;
+ }
+
+ if (dbus_message_name_is (message,
+ DBUS_ERROR_NO_MEMORY))
+ {
+ ; /* good, this is a valid response */
+ }
+ else if (dbus_message_name_is (message,
+ DBUS_ERROR_SPAWN_CHILD_SIGNALED))
+ {
+ ; /* good, this is expected also */
+ }
+ else
+ {
+ _dbus_warn ("Did not expect error %s\n",
+ dbus_message_get_name (message));
+ goto out;
+ }
+ }
+ else
+ {
+ _dbus_warn ("Did not expect to successfully activate segfault service\n");
+ goto out;
+ }
+
+ retval = TRUE;
+
+ out:
+ if (message)
+ dbus_message_unref (message);
+
+ return retval;
+}
+
+typedef struct
+{
+ Check1Func func;
+ BusContext *context;
+} Check1Data;
+
+static dbus_bool_t
+check_oom_check1_func (void *data)
+{
+ Check1Data *d = data;
+
+ if (! (* d->func) (d->context))
+ return FALSE;
+
+ if (!check_no_leftovers (d->context))
+ {
+ _dbus_warn ("Messages were left over, should be covered by test suite\n");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+check1_try_iterations (BusContext *context,
+ const char *description,
+ Check1Func func)
+{
+ Check1Data d;
+
+ d.func = func;
+ d.context = context;
+
+ if (!_dbus_test_oom_handling (description, check_oom_check1_func,
+ &d))
+ _dbus_assert_not_reached ("test failed");
+}
+
+typedef struct
+{
+ Check2Func func;
+ BusContext *context;
+ DBusConnection *connection;
+} Check2Data;
+
+static dbus_bool_t
+check_oom_check2_func (void *data)
+{
+ Check2Data *d = data;
+
+ if (! (* d->func) (d->context, d->connection))
+ return FALSE;
+
+ if (!check_no_leftovers (d->context))
+ {
+ _dbus_warn ("Messages were left over, should be covered by test suite");
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+check2_try_iterations (BusContext *context,
+ DBusConnection *connection,
+ const char *description,
+ Check2Func func)
+{
+ Check2Data d;
+
+ d.func = func;
+ d.context = context;
+ d.connection = connection;
+
+ if (!_dbus_test_oom_handling (description, check_oom_check2_func,
+ &d))
+ _dbus_assert_not_reached ("test failed");
+}
+
+dbus_bool_t
+bus_dispatch_test (const DBusString *test_data_dir)
+{
+ BusContext *context;
+ DBusConnection *foo;
+ DBusConnection *bar;
+ DBusConnection *baz;
+ DBusError error;
+
+ context = bus_context_new_test (test_data_dir,
+ "valid-config-files/debug-allow-all.conf");
+ if (context == NULL)
+ return FALSE;
+
+ dbus_error_init (&error);
+
+ foo = dbus_connection_open ("debug-pipe:name=test-server", &error);
+ if (foo == NULL)
+ _dbus_assert_not_reached ("could not alloc connection");
+
+ if (!bus_setup_debug_client (foo))
+ _dbus_assert_not_reached ("could not set up connection");
+
+ if (!check_hello_message (context, foo))
+ _dbus_assert_not_reached ("hello message failed");
+
+ bar = dbus_connection_open ("debug-pipe:name=test-server", &error);
+ if (bar == NULL)
+ _dbus_assert_not_reached ("could not alloc connection");
+
+ if (!bus_setup_debug_client (bar))
+ _dbus_assert_not_reached ("could not set up connection");
+
+ if (!check_hello_message (context, bar))
+ _dbus_assert_not_reached ("hello message failed");
+
+ baz = dbus_connection_open ("debug-pipe:name=test-server", &error);
+ if (baz == NULL)
+ _dbus_assert_not_reached ("could not alloc connection");
+
+ if (!bus_setup_debug_client (baz))
+ _dbus_assert_not_reached ("could not set up connection");
+
+ if (!check_hello_message (context, baz))
+ _dbus_assert_not_reached ("hello message failed");
+
+ check1_try_iterations (context, "create_and_hello",
+ check_hello_connection);
+
+ check2_try_iterations (context, foo, "nonexistent_service_activation",
+ check_nonexistent_service_activation);
+
+ check2_try_iterations (context, foo, "segfault_service_activation",
+ check_segfault_service_activation);
+
+ check2_try_iterations (context, foo, "existent_service_activation",
+ check_existent_service_activation);
+
+ _dbus_verbose ("Disconnecting foo, bar, and baz\n");
+
+ kill_client_connection_unchecked (foo);
+ kill_client_connection_unchecked (bar);
+ kill_client_connection_unchecked (baz);
+
+ bus_context_unref (context);
+
+ return TRUE;
+}
+#endif /* DBUS_BUILD_TESTS */
projects / platform / upstream / dbus.git / blobdiff