*
* Copyright (C) 2003 CodeFactory AB
* Copyright (C) 2003 Red Hat, Inc.
+ * Copyright (C) 2004 Imendio HB
*
- * Licensed under the Academic Free License version 1.2
+ * Licensed under the Academic Free License version 2.0
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "activation.h"
#include "desktop-file.h"
#include "services.h"
+#include "test.h"
#include "utils.h"
#include <dbus/dbus-internals.h>
#include <dbus/dbus-hash.h>
#include <dbus/dbus-list.h>
#include <dbus/dbus-spawn.h>
#include <dbus/dbus-timeout.h>
-#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
int refcount;
DBusHashTable *entries;
DBusHashTable *pending_activations;
- char *server_address;
+ char *server_address;
BusContext *context;
int n_pending_activations; /**< This is in fact the number of BusPendingActivationEntry,
* i.e. number of pending activation requests, not pending
* activations per se
- */
+ */
+ DBusHashTable *directories;
};
typedef struct
{
+ int refcount;
+ char *dir_c;
+ DBusHashTable *entries;
+} BusServiceDirectory;
+
+typedef struct
+{
+ int refcount;
char *name;
char *exec;
+ unsigned long mtime;
+ BusServiceDirectory *s_dir;
+ char *filename;
} BusActivationEntry;
typedef struct BusPendingActivationEntry BusPendingActivationEntry;
{
DBusMessage *activation_message;
DBusConnection *connection;
+
+ dbus_bool_t auto_activation;
};
typedef struct
int refcount;
BusActivation *activation;
char *service_name;
+ char *exec;
DBusList *entries;
int n_entries;
DBusBabysitter *babysitter;
unsigned int timeout_added : 1;
} BusPendingActivation;
+static BusServiceDirectory *
+bus_service_directory_ref (BusServiceDirectory *dir)
+{
+ _dbus_assert (dir->refcount);
+
+ dir->refcount++;
+
+ return dir;
+}
+
+static void
+bus_service_directory_unref (BusServiceDirectory *dir)
+{
+ if (dir == NULL)
+ return;
+
+ _dbus_assert (dir->refcount > 0);
+ dir->refcount--;
+
+ if (dir->refcount > 0)
+ return;
+
+ if (dir->entries)
+ _dbus_hash_table_unref (dir->entries);
+
+ dbus_free (dir->dir_c);
+ dbus_free (dir);
+}
+
static void
bus_pending_activation_entry_free (BusPendingActivationEntry *entry)
{
_dbus_wait_for_memory ();
}
-static void
+static BusPendingActivation *
bus_pending_activation_ref (BusPendingActivation *pending_activation)
{
_dbus_assert (pending_activation->refcount > 0);
pending_activation->refcount += 1;
+
+ return pending_activation;
}
static void
}
dbus_free (pending_activation->service_name);
+ dbus_free (pending_activation->exec);
link = _dbus_list_get_first_link (&pending_activation->entries);
dbus_free (pending_activation);
}
+static BusActivationEntry *
+bus_activation_entry_ref (BusActivationEntry *entry)
+{
+ _dbus_assert (entry->refcount > 0);
+ entry->refcount++;
+
+ return entry;
+}
+
static void
-bus_activation_entry_free (BusActivationEntry *entry)
+bus_activation_entry_unref (BusActivationEntry *entry)
{
- if (!entry)
+ if (entry == NULL) /* hash table requires this */
+ return;
+
+ _dbus_assert (entry->refcount > 0);
+ entry->refcount--;
+
+ if (entry->refcount > 0)
return;
dbus_free (entry->name);
dbus_free (entry->exec);
+ dbus_free (entry->filename);
dbus_free (entry);
}
static dbus_bool_t
-add_desktop_file_entry (BusActivation *activation,
- BusDesktopFile *desktop_file,
- DBusError *error)
+update_desktop_file_entry (BusActivation *activation,
+ BusServiceDirectory *s_dir,
+ DBusString *filename,
+ BusDesktopFile *desktop_file,
+ DBusError *error)
{
char *name, *exec;
BusActivationEntry *entry;
+ DBusStat stat_buf;
+ DBusString file_path;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
exec = NULL;
entry = NULL;
+ if (!_dbus_string_init (&file_path))
+ {
+ BUS_SET_OOM (error);
+ return FALSE;
+ }
+
+ if (!_dbus_string_append (&file_path, s_dir->dir_c) ||
+ !_dbus_concat_dir_and_file (&file_path, filename))
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ if (!_dbus_stat (&file_path, &stat_buf, NULL))
+ {
+ dbus_set_error (error, DBUS_ERROR_FAILED,
+ "Can't stat the service file\n");
+ goto failed;
+ }
+
if (!bus_desktop_file_get_string (desktop_file,
DBUS_SERVICE_SECTION,
DBUS_SERVICE_NAME,
goto failed;
}
- /* FIXME we need a better-defined algorithm for which service file to
- * pick than "whichever one is first in the directory listing"
- */
- if (_dbus_hash_table_lookup_string (activation->entries, name))
+ entry = _dbus_hash_table_lookup_string (s_dir->entries,
+ _dbus_string_get_const_data (filename));
+ if (entry == NULL) /* New file */
+ {
+ /* FIXME we need a better-defined algorithm for which service file to
+ * pick than "whichever one is first in the directory listing"
+ */
+ if (_dbus_hash_table_lookup_string (activation->entries, name))
+ {
+ dbus_set_error (error, DBUS_ERROR_FAILED,
+ "Service %s already exists in activation entry list\n", name);
+ goto failed;
+ }
+
+ entry = dbus_new0 (BusActivationEntry, 1);
+ if (entry == NULL)
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ entry->name = name;
+ entry->exec = exec;
+ entry->refcount = 1;
+
+ entry->s_dir = s_dir;
+ entry->filename = _dbus_strdup (_dbus_string_get_const_data (filename));
+ if (!entry->filename)
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ if (!_dbus_hash_table_insert_string (activation->entries, entry->name, bus_activation_entry_ref (entry)))
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ if (!_dbus_hash_table_insert_string (s_dir->entries, entry->filename, bus_activation_entry_ref (entry)))
+ {
+ /* Revert the insertion in the entries table */
+ _dbus_hash_table_remove_string (activation->entries, entry->name);
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ _dbus_verbose ("Added \"%s\" to list of services\n", entry->name);
+ }
+ else /* Just update the entry */
{
- dbus_set_error (error, DBUS_ERROR_FAILED,
- "Service %s already exists in activation entry list\n", name);
- goto failed;
+ bus_activation_entry_ref (entry);
+ _dbus_hash_table_remove_string (activation->entries, entry->name);
+
+ if (_dbus_hash_table_lookup_string (activation->entries, name))
+ {
+ _dbus_verbose ("The new service name \"%s\" of service file \"%s\" already in cache, ignoring\n",
+ name, _dbus_string_get_const_data (&file_path));
+ goto failed;
+ }
+
+ dbus_free (entry->name);
+ dbus_free (entry->exec);
+ entry->name = name;
+ entry->exec = exec;
+ if (!_dbus_hash_table_insert_string (activation->entries,
+ entry->name, bus_activation_entry_ref(entry)))
+ {
+ BUS_SET_OOM (error);
+ /* Also remove path to entries hash since we want this in sync with
+ * the entries hash table */
+ _dbus_hash_table_remove_string (entry->s_dir->entries,
+ entry->filename);
+ bus_activation_entry_unref (entry);
+ return FALSE;
+ }
}
- entry = dbus_new0 (BusActivationEntry, 1);
- if (entry == NULL)
+ entry->mtime = stat_buf.mtime;
+
+ _dbus_string_free (&file_path);
+ bus_activation_entry_unref (entry);
+
+ return TRUE;
+
+failed:
+ dbus_free (name);
+ dbus_free (exec);
+ _dbus_string_free (&file_path);
+
+ if (entry)
+ bus_activation_entry_unref (entry);
+
+ return FALSE;
+}
+
+static dbus_bool_t
+check_service_file (BusActivation *activation,
+ BusActivationEntry *entry,
+ BusActivationEntry **updated_entry,
+ DBusError *error)
+{
+ DBusStat stat_buf;
+ dbus_bool_t retval;
+ BusActivationEntry *tmp_entry;
+ DBusString file_path;
+ DBusString filename;
+
+ retval = TRUE;
+ tmp_entry = entry;
+
+ _dbus_string_init_const (&filename, entry->filename);
+
+ if (!_dbus_string_init (&file_path))
{
BUS_SET_OOM (error);
- goto failed;
+ return FALSE;
}
-
- entry->name = name;
- entry->exec = exec;
-
- if (!_dbus_hash_table_insert_string (activation->entries, entry->name, entry))
+
+ if (!_dbus_string_append (&file_path, entry->s_dir->dir_c) ||
+ !_dbus_concat_dir_and_file (&file_path, &filename))
{
BUS_SET_OOM (error);
- goto failed;
+ retval = FALSE;
+ goto out;
}
-
- _dbus_verbose ("Added \"%s\" to list of services\n", entry->name);
- return TRUE;
+ if (!_dbus_stat (&file_path, &stat_buf, NULL))
+ {
+ _dbus_verbose ("****** Can't stat file \"%s\", removing from cache\n",
+ _dbus_string_get_const_data (&file_path));
- failed:
- dbus_free (name);
- dbus_free (exec);
- dbus_free (entry);
+ _dbus_hash_table_remove_string (activation->entries, entry->name);
+ _dbus_hash_table_remove_string (entry->s_dir->entries, entry->filename);
+
+ tmp_entry = NULL;
+ retval = TRUE;
+ goto out;
+ }
+ else
+ {
+ if (stat_buf.mtime > entry->mtime)
+ {
+ BusDesktopFile *desktop_file;
+ DBusError tmp_error;
+
+ dbus_error_init (&tmp_error);
+
+ desktop_file = bus_desktop_file_load (&file_path, &tmp_error);
+ if (desktop_file == NULL)
+ {
+ _dbus_verbose ("Could not load %s: %s\n",
+ _dbus_string_get_const_data (&file_path),
+ tmp_error.message);
+ if (dbus_error_has_name (&tmp_error, DBUS_ERROR_NO_MEMORY))
+ {
+ dbus_move_error (&tmp_error, error);
+ retval = FALSE;
+ goto out;
+ }
+ dbus_error_free (&tmp_error);
+ retval = TRUE;
+ goto out;
+ }
+
+ if (!update_desktop_file_entry (activation, entry->s_dir, &filename, desktop_file, &tmp_error))
+ {
+ bus_desktop_file_free (desktop_file);
+ if (dbus_error_has_name (&tmp_error, DBUS_ERROR_NO_MEMORY))
+ {
+ dbus_move_error (&tmp_error, error);
+ retval = FALSE;
+ goto out;
+ }
+ dbus_error_free (&tmp_error);
+ retval = TRUE;
+ goto out;
+ }
+
+ bus_desktop_file_free (desktop_file);
+ retval = TRUE;
+ }
+ }
- return FALSE;
+out:
+ _dbus_string_free (&file_path);
+
+ if (updated_entry != NULL)
+ *updated_entry = tmp_entry;
+ return retval;
}
+
/* warning: this doesn't fully "undo" itself on failure, i.e. doesn't strip
* hash entries it already added.
*/
static dbus_bool_t
-load_directory (BusActivation *activation,
- const char *directory,
- DBusError *error)
+update_directory (BusActivation *activation,
+ BusServiceDirectory *s_dir,
+ DBusError *error)
{
DBusDirIter *iter;
DBusString dir, filename;
- DBusString full_path;
BusDesktopFile *desktop_file;
DBusError tmp_error;
dbus_bool_t retval;
+ BusActivationEntry *entry;
+ DBusString full_path;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
- _dbus_string_init_const (&dir, directory);
-
iter = NULL;
desktop_file = NULL;
+ _dbus_string_init_const (&dir, s_dir->dir_c);
+
if (!_dbus_string_init (&filename))
{
BUS_SET_OOM (error);
}
retval = FALSE;
-
+
/* from this point it's safe to "goto out" */
iter = _dbus_directory_open (&dir, error);
if (iter == NULL)
{
_dbus_verbose ("Failed to open directory %s: %s\n",
- directory, error ? error->message : "unknown");
+ s_dir->dir_c,
+ error ? error->message : "unknown");
goto out;
}
_dbus_string_set_length (&full_path, 0);
- if (!_dbus_string_append (&full_path, directory) ||
- !_dbus_concat_dir_and_file (&full_path, &filename))
- {
- BUS_SET_OOM (error);
- goto out;
- }
-
if (!_dbus_string_ends_with_c_str (&filename, ".service"))
{
- _dbus_verbose ("Skipping non-.service file %s\n",
+ _dbus_verbose ("Skipping non-.service file %s\n",
_dbus_string_get_const_data (&filename));
- continue;
+ continue;
+ }
+
+ entry = _dbus_hash_table_lookup_string (s_dir->entries, _dbus_string_get_const_data (&filename));
+ if (entry) /* Already has this service file in the cache */
+ {
+ if (!check_service_file (activation, entry, NULL, error))
+ goto out;
+
+ continue;
}
+ if (!_dbus_string_append (&full_path, s_dir->dir_c) ||
+ !_dbus_concat_dir_and_file (&full_path, &filename))
+ {
+ BUS_SET_OOM (error);
+ goto out;
+ }
+
+ /* New file */
desktop_file = bus_desktop_file_load (&full_path, &tmp_error);
-
if (desktop_file == NULL)
{
_dbus_verbose ("Could not load %s: %s\n",
continue;
}
- if (!add_desktop_file_entry (activation, desktop_file, &tmp_error))
+ if (!update_desktop_file_entry (activation, s_dir, &filename, desktop_file, &tmp_error))
{
- bus_desktop_file_free (desktop_file);
+ bus_desktop_file_free (desktop_file);
desktop_file = NULL;
_dbus_verbose ("Could not add %s to activation entry list: %s\n",
}
retval = TRUE;
-
+
out:
if (!retval)
_DBUS_ASSERT_ERROR_IS_SET (error);
DBusError *error)
{
BusActivation *activation;
- DBusList *link;
+ DBusList *link;
+ char *dir;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
}
activation->entries = _dbus_hash_table_new (DBUS_HASH_STRING, NULL,
- (DBusFreeFunction)bus_activation_entry_free);
+ (DBusFreeFunction)bus_activation_entry_unref);
if (activation->entries == NULL)
{
BUS_SET_OOM (error);
BUS_SET_OOM (error);
goto failed;
}
+
+ activation->directories = _dbus_hash_table_new (DBUS_HASH_STRING, NULL,
+ (DBusFreeFunction)bus_service_directory_unref);
+ if (activation->directories == NULL)
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
/* Load service files */
link = _dbus_list_get_first_link (directories);
while (link != NULL)
{
- if (!load_directory (activation, link->data, error))
- goto failed;
+ BusServiceDirectory *s_dir;
+
+ dir = _dbus_strdup ((const char *) link->data);
+ if (!dir)
+ {
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ s_dir = dbus_new0 (BusServiceDirectory, 1);
+ if (!s_dir)
+ {
+ dbus_free (dir);
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ s_dir->refcount = 1;
+ s_dir->dir_c = dir;
+
+ s_dir->entries = _dbus_hash_table_new (DBUS_HASH_STRING, NULL,
+ (DBusFreeFunction)bus_activation_entry_unref);
+
+ if (!s_dir->entries)
+ {
+ bus_service_directory_unref (s_dir);
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ if (!_dbus_hash_table_insert_string (activation->directories, s_dir->dir_c, s_dir))
+ {
+ bus_service_directory_unref (s_dir);
+ BUS_SET_OOM (error);
+ goto failed;
+ }
+
+ if (!update_directory (activation, s_dir, error))
+ goto failed;
+
link = _dbus_list_get_next_link (directories, link);
}
return NULL;
}
-void
+BusActivation *
bus_activation_ref (BusActivation *activation)
{
_dbus_assert (activation->refcount > 0);
activation->refcount += 1;
+
+ return activation;
}
void
activation->refcount -= 1;
- if (activation->refcount == 0)
- {
- dbus_free (activation->server_address);
- if (activation->entries)
- _dbus_hash_table_unref (activation->entries);
- if (activation->pending_activations)
- _dbus_hash_table_unref (activation->pending_activations);
- dbus_free (activation);
- }
+ if (activation->refcount > 0)
+ return;
+
+ dbus_free (activation->server_address);
+ if (activation->entries)
+ _dbus_hash_table_unref (activation->entries);
+ if (activation->pending_activations)
+ _dbus_hash_table_unref (activation->pending_activations);
+ if (activation->directories)
+ _dbus_hash_table_unref (activation->directories);
+
+ dbus_free (activation);
}
static void
*/
if (!_dbus_setenv ("DBUS_ACTIVATION_ADDRESS", activation->server_address))
_dbus_exit (1);
-
+
type = bus_context_get_type (activation->context);
if (type != NULL)
{
if (!_dbus_setenv ("DBUS_BUS_TYPE", type))
_dbus_exit (1);
+
+ if (strcmp (type, "session") == 0)
+ {
+ if (!_dbus_setenv ("DBUS_SESSION_BUS_ADDRESS",
+ activation->server_address))
+ _dbus_exit (1);
+ }
+ else if (strcmp (type, "system") == 0)
+ {
+ if (!_dbus_setenv ("DBUS_SYSTEM_BUS_ADDRESS",
+ activation->server_address))
+ _dbus_exit (1);
+ }
}
}
if (dbus_connection_get_is_connected (entry->connection))
{
- message = dbus_message_new_reply (entry->activation_message);
- if (!message)
- {
- BUS_SET_OOM (error);
- goto error;
- }
-
- if (!dbus_message_append_args (message,
- DBUS_TYPE_UINT32, DBUS_ACTIVATION_REPLY_ACTIVATED,
- 0))
+ /* Only send activation replies to regular activation requests. */
+ if (!entry->auto_activation)
{
+ message = dbus_message_new_method_return (entry->activation_message);
+ if (!message)
+ {
+ BUS_SET_OOM (error);
+ goto error;
+ }
+
+ if (!dbus_message_append_args (message,
+ DBUS_TYPE_UINT32, DBUS_ACTIVATION_REPLY_ACTIVATED,
+ DBUS_TYPE_INVALID))
+ {
+ dbus_message_unref (message);
+ BUS_SET_OOM (error);
+ goto error;
+ }
+
+ if (!bus_transaction_send_from_driver (transaction, entry->connection, message))
+ {
+ dbus_message_unref (message);
+ BUS_SET_OOM (error);
+ goto error;
+ }
+
dbus_message_unref (message);
- BUS_SET_OOM (error);
- goto error;
}
-
- if (!bus_transaction_send_from_driver (transaction, entry->connection, message))
+ }
+
+ link = next;
+ }
+
+ return TRUE;
+
+ error:
+ return FALSE;
+}
+
+dbus_bool_t
+bus_activation_send_pending_auto_activation_messages (BusActivation *activation,
+ BusService *service,
+ BusTransaction *transaction,
+ DBusError *error)
+{
+ BusPendingActivation *pending_activation;
+ DBusList *link;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ /* Check if it's a pending activation */
+ pending_activation = _dbus_hash_table_lookup_string (activation->pending_activations,
+ bus_service_get_name (service));
+
+ if (!pending_activation)
+ return TRUE;
+
+ link = _dbus_list_get_first_link (&pending_activation->entries);
+ while (link != NULL)
+ {
+ BusPendingActivationEntry *entry = link->data;
+ DBusList *next = _dbus_list_get_next_link (&pending_activation->entries, link);
+
+ if (entry->auto_activation && dbus_connection_get_is_connected (entry->connection))
+ {
+ DBusConnection *addressed_recipient;
+
+ addressed_recipient = bus_service_get_primary_owner (service);
+
+ /* Check the security policy, which has the side-effect of adding an
+ * expected pending reply.
+ */
+ if (!bus_context_check_security_policy (activation->context, transaction,
+ entry->connection,
+ addressed_recipient,
+ addressed_recipient,
+ entry->activation_message, error))
+ goto error;
+
+ if (!bus_transaction_send (transaction, addressed_recipient, entry->activation_message))
{
- dbus_message_unref (message);
BUS_SET_OOM (error);
goto error;
}
-
- dbus_message_unref (message);
}
link = next;
goto error;
}
- _dbus_hash_table_remove_string (activation->pending_activations, service_name);
+ _dbus_hash_table_remove_string (activation->pending_activations, bus_service_get_name (service));
return TRUE;
if (_dbus_babysitter_get_child_exited (babysitter))
{
DBusError error;
-
+ DBusHashIter iter;
+
dbus_error_init (&error);
_dbus_babysitter_set_child_exit_error (babysitter, &error);
+ /* Destroy all pending activations with the same exec */
+ _dbus_hash_iter_init (pending_activation->activation->pending_activations,
+ &iter);
+ while (_dbus_hash_iter_next (&iter))
+ {
+ BusPendingActivation *p = _dbus_hash_iter_get_value (&iter);
+
+ if (p != pending_activation && strcmp (p->exec, pending_activation->exec) == 0)
+ pending_activation_failed (p, &error);
+ }
+
/* Destroys the pending activation */
pending_activation_failed (pending_activation, &error);
* (not sure this is what we want to do, but
* may as well try it for now)
*/
- _dbus_babysitter_kill_child (pending_activation->babysitter);
+ if (pending_activation->babysitter)
+ _dbus_babysitter_kill_child (pending_activation->babysitter);
dbus_error_init (&error);
return TRUE;
}
+static dbus_bool_t
+update_service_cache (BusActivation *activation, DBusError *error)
+{
+ DBusHashIter iter;
+
+ _dbus_hash_iter_init (activation->directories, &iter);
+ while (_dbus_hash_iter_next (&iter))
+ {
+ DBusError tmp_error;
+ BusServiceDirectory *s_dir;
+
+ s_dir = _dbus_hash_iter_get_value (&iter);
+
+ dbus_error_init (&tmp_error);
+ if (!update_directory (activation, s_dir, &tmp_error))
+ {
+ if (dbus_error_has_name (&tmp_error, DBUS_ERROR_NO_MEMORY))
+ {
+ dbus_move_error (&tmp_error, error);
+ return FALSE;
+ }
+
+ dbus_error_free (&tmp_error);
+ continue;
+ }
+ }
+
+ return TRUE;
+}
+
+static BusActivationEntry *
+activation_find_entry (BusActivation *activation,
+ const char *service_name,
+ DBusError *error)
+{
+ BusActivationEntry *entry;
+
+ entry = _dbus_hash_table_lookup_string (activation->entries, service_name);
+ if (!entry)
+ {
+ if (!update_service_cache (activation, error))
+ return NULL;
+
+ entry = _dbus_hash_table_lookup_string (activation->entries,
+ service_name);
+ }
+ else
+ {
+ BusActivationEntry *updated_entry;
+
+ if (!check_service_file (activation, entry, &updated_entry, error))
+ return NULL;
+
+ entry = updated_entry;
+ }
+
+ if (!entry)
+ {
+ dbus_set_error (error, DBUS_ERROR_ACTIVATE_SERVICE_NOT_FOUND,
+ "The service %s was not found in the activation entry list",
+ service_name);
+ return NULL;
+ }
+
+ return entry;
+}
+
dbus_bool_t
bus_activation_activate_service (BusActivation *activation,
DBusConnection *connection,
BusTransaction *transaction,
+ dbus_bool_t auto_activation,
DBusMessage *activation_message,
const char *service_name,
DBusError *error)
DBusString service_str;
char *argv[2];
dbus_bool_t retval;
+ DBusHashIter iter;
+ dbus_bool_t activated;
+
+ activated = TRUE;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
service_name);
return FALSE;
}
-
- entry = _dbus_hash_table_lookup_string (activation->entries, service_name);
- if (!entry)
- {
- dbus_set_error (error, DBUS_ERROR_ACTIVATE_SERVICE_NOT_FOUND,
- "The service %s was not found in the activation entry list",
- service_name);
- return FALSE;
- }
+ entry = activation_find_entry (activation, service_name, error);
+ if (!entry)
+ return FALSE;
/* Check if the service is active */
_dbus_string_init_const (&service_str, service_name);
{
_dbus_verbose ("Service \"%s\" is already active\n", service_name);
- message = dbus_message_new_reply (activation_message);
+ message = dbus_message_new_method_return (activation_message);
if (!message)
{
if (!dbus_message_append_args (message,
DBUS_TYPE_UINT32, DBUS_ACTIVATION_REPLY_ALREADY_ACTIVE,
- 0))
+ DBUS_TYPE_INVALID))
{
_dbus_verbose ("No memory to set args of reply to activate message\n");
BUS_SET_OOM (error);
return FALSE;
}
+ pending_activation_entry->auto_activation = auto_activation;
+
pending_activation_entry->activation_message = activation_message;
dbus_message_ref (activation_message);
pending_activation_entry->connection = connection;
return FALSE;
}
+ pending_activation->exec = _dbus_strdup (entry->exec);
+ if (!pending_activation->exec)
+ {
+ _dbus_verbose ("Failed to copy service exec for pending activation\n");
+ BUS_SET_OOM (error);
+ bus_pending_activation_unref (pending_activation);
+ bus_pending_activation_entry_free (pending_activation_entry);
+ return FALSE;
+ }
+
pending_activation->timeout =
_dbus_timeout_new (bus_context_get_activation_timeout (activation->context),
pending_activation_timed_out,
pending_activation->n_entries += 1;
pending_activation->activation->n_pending_activations += 1;
-
+
+ activated = FALSE;
+ _dbus_hash_iter_init (activation->pending_activations, &iter);
+ while (_dbus_hash_iter_next (&iter))
+ {
+ BusPendingActivation *p = _dbus_hash_iter_get_value (&iter);
+
+ if (strcmp (p->exec, entry->exec) == 0)
+ {
+ activated = TRUE;
+ break;
+ }
+ }
+
if (!_dbus_hash_table_insert_string (activation->pending_activations,
pending_activation->service_name,
pending_activation))
return FALSE;
}
}
-
+
if (!add_cancel_pending_to_transaction (transaction, pending_activation))
{
_dbus_verbose ("Failed to add pending activation cancel hook to transaction\n");
/* FIXME we need to support a full command line, not just a single
* argv[0]
*/
-
+
+ if (activated == TRUE)
+ {
+ pending_activation->babysitter = NULL;
+ return TRUE;
+ }
+
/* Now try to spawn the process */
argv[0] = entry->exec;
argv[1] = NULL;
if (!_dbus_spawn_async_with_babysitter (&pending_activation->babysitter, argv,
- child_setup, activation,
- error))
+ child_setup, activation,
+ error))
{
_dbus_verbose ("Failed to spawn child\n");
_DBUS_ASSERT_ERROR_IS_SET (error);
if (!_dbus_babysitter_set_watch_functions (pending_activation->babysitter,
add_babysitter_watch,
- remove_babysitter_watch,
+ remove_babysitter_watch,
NULL,
pending_activation,
NULL))
return TRUE;
}
+
+#ifdef DBUS_BUILD_TESTS
+
+#include <stdio.h>
+
+#define SERVICE_NAME_1 "MyService1"
+#define SERVICE_NAME_2 "MyService2"
+#define SERVICE_NAME_3 "MyService3"
+
+#define SERVICE_FILE_1 "service-1.service"
+#define SERVICE_FILE_2 "service-2.service"
+#define SERVICE_FILE_3 "service-3.service"
+
+static dbus_bool_t
+test_create_service_file (DBusString *dir,
+ const char *filename,
+ const char *name,
+ const char *exec)
+{
+ DBusString file_name, full_path;
+ FILE *file;
+ dbus_bool_t ret_val;
+
+ ret_val = TRUE;
+ _dbus_string_init_const (&file_name, filename);
+
+ if (!_dbus_string_init (&full_path))
+ return FALSE;
+
+ if (!_dbus_string_append (&full_path, _dbus_string_get_const_data (dir)) ||
+ !_dbus_concat_dir_and_file (&full_path, &file_name))
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+ file = fopen (_dbus_string_get_const_data (&full_path), "w");
+ if (!file)
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+ fprintf (file, "[D-BUS Service]\nName=%s\nExec=%s\n", name, exec);
+ fclose (file);
+
+out:
+ _dbus_string_free (&full_path);
+ return ret_val;
+}
+
+static dbus_bool_t
+test_remove_service_file (DBusString *dir, const char *filename)
+{
+ DBusString file_name, full_path;
+ dbus_bool_t ret_val;
+
+ ret_val = TRUE;
+
+ _dbus_string_init_const (&file_name, filename);
+
+ if (!_dbus_string_init (&full_path))
+ return FALSE;
+
+ if (!_dbus_string_append (&full_path, _dbus_string_get_const_data (dir)) ||
+ !_dbus_concat_dir_and_file (&full_path, &file_name))
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+ if (!_dbus_delete_file (&full_path, NULL))
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+out:
+ _dbus_string_free (&full_path);
+ return ret_val;
+}
+
+static dbus_bool_t
+test_remove_directory (DBusString *dir)
+{
+ DBusDirIter *iter;
+ DBusString filename, full_path;
+ dbus_bool_t ret_val;
+
+ ret_val = TRUE;
+
+ if (!_dbus_string_init (&filename))
+ return FALSE;
+
+ if (!_dbus_string_init (&full_path))
+ {
+ _dbus_string_free (&filename);
+ return FALSE;
+ }
+
+ iter = _dbus_directory_open (dir, NULL);
+ if (iter == NULL)
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+ while (_dbus_directory_get_next_file (iter, &filename, NULL))
+ {
+ if (!test_remove_service_file (dir, _dbus_string_get_const_data (&filename)))
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+ }
+ _dbus_directory_close (iter);
+
+ if (!_dbus_delete_directory (dir, NULL))
+ {
+ ret_val = FALSE;
+ goto out;
+ }
+
+out:
+ _dbus_string_free (&filename);
+ _dbus_string_free (&full_path);
+
+ return ret_val;
+}
+
+static dbus_bool_t
+init_service_reload_test (DBusString *dir)
+{
+ DBusStat stat_buf;
+
+ if (!_dbus_stat (dir, &stat_buf, NULL))
+ {
+ if (!_dbus_create_directory (dir, NULL))
+ return FALSE;
+ }
+ else
+ {
+ if (!test_remove_directory (dir))
+ return FALSE;
+
+ if (!_dbus_create_directory (dir, NULL))
+ return FALSE;
+ }
+
+ /* Create one initial file */
+ if (!test_create_service_file (dir, SERVICE_FILE_1, SERVICE_NAME_1, "exec-1"))
+ return FALSE;
+
+ return TRUE;
+}
+
+static dbus_bool_t
+cleanup_service_reload_test (DBusString *dir)
+{
+ if (!test_remove_directory (dir))
+ return FALSE;
+
+ return TRUE;
+}
+
+typedef struct
+{
+ BusActivation *activation;
+ const char *service_name;
+ dbus_bool_t expecting_find;
+} CheckData;
+
+static dbus_bool_t
+check_func (void *data)
+{
+ CheckData *d;
+ BusActivationEntry *entry;
+ DBusError error;
+ dbus_bool_t ret_val;
+
+ ret_val = TRUE;
+ d = data;
+
+ dbus_error_init (&error);
+
+ entry = activation_find_entry (d->activation, d->service_name, &error);
+ if (entry == NULL)
+ {
+ if (dbus_error_has_name (&error, DBUS_ERROR_NO_MEMORY))
+ {
+ ret_val = TRUE;
+ }
+ else
+ {
+ if (d->expecting_find)
+ ret_val = FALSE;
+ }
+
+ dbus_error_free (&error);
+ }
+ else
+ {
+ if (!d->expecting_find)
+ ret_val = FALSE;
+ }
+
+ return ret_val;
+}
+
+static dbus_bool_t
+do_test (const char *description, dbus_bool_t oom_test, CheckData *data)
+{
+ dbus_bool_t err;
+
+ if (oom_test)
+ err = !_dbus_test_oom_handling (description, check_func, data);
+ else
+ err = !check_func (data);
+
+ if (err)
+ _dbus_assert_not_reached ("Test failed");
+
+ return TRUE;
+}
+
+static dbus_bool_t
+do_service_reload_test (DBusString *dir, dbus_bool_t oom_test)
+{
+ BusActivation *activation;
+ DBusString address;
+ DBusList *directories;
+ CheckData d;
+
+ directories = NULL;
+ _dbus_string_init_const (&address, "");
+
+ if (!_dbus_list_append (&directories, _dbus_string_get_data (dir)))
+ return FALSE;
+
+ activation = bus_activation_new (NULL, &address, &directories, NULL);
+ if (!activation)
+ return FALSE;
+
+ d.activation = activation;
+
+ /* Check for existing service file */
+ d.expecting_find = TRUE;
+ d.service_name = SERVICE_NAME_1;
+
+ if (!do_test ("Existing service file", oom_test, &d))
+ return FALSE;
+
+ /* Check for non-existing service file */
+ d.expecting_find = FALSE;
+ d.service_name = SERVICE_NAME_3;
+
+ if (!do_test ("Nonexisting service file", oom_test, &d))
+ return FALSE;
+
+ /* Check for added service file */
+ if (!test_create_service_file (dir, SERVICE_FILE_2, SERVICE_NAME_2, "exec-2"))
+ return FALSE;
+
+ d.expecting_find = TRUE;
+ d.service_name = SERVICE_NAME_2;
+
+ if (!do_test ("Added service file", oom_test, &d))
+ return FALSE;
+
+ /* Check for removed service file */
+ if (!test_remove_service_file (dir, SERVICE_FILE_2))
+ return FALSE;
+
+ d.expecting_find = FALSE;
+ d.service_name = SERVICE_FILE_2;
+
+ if (!do_test ("Removed service file", oom_test, &d))
+ return FALSE;
+
+ /* Check for updated service file */
+
+ _dbus_sleep_milliseconds (1000); /* Sleep a second to make sure the mtime is updated */
+
+ if (!test_create_service_file (dir, SERVICE_FILE_1, SERVICE_NAME_3, "exec-3"))
+ return FALSE;
+
+ d.expecting_find = TRUE;
+ d.service_name = SERVICE_NAME_3;
+
+ if (!do_test ("Updated service file, part 1", oom_test, &d))
+ return FALSE;
+
+ d.expecting_find = FALSE;
+ d.service_name = SERVICE_NAME_1;
+
+ if (!do_test ("Updated service file, part 2", oom_test, &d))
+ return FALSE;
+
+ bus_activation_unref (activation);
+ _dbus_list_clear (&directories);
+
+ return TRUE;
+}
+
+dbus_bool_t
+bus_activation_service_reload_test (const DBusString *test_data_dir)
+{
+ DBusString directory;
+
+ if (!_dbus_string_init (&directory))
+ return FALSE;
+
+ if (!_dbus_string_append (&directory, "/tmp/dbus-reload-test-") ||
+ !_dbus_generate_random_ascii (&directory, 6))
+ {
+ return FALSE;
+ }
+
+ /* Do normal tests */
+ if (!init_service_reload_test (&directory))
+ _dbus_assert_not_reached ("could not initiate service reload test");
+
+ if (!do_service_reload_test (&directory, FALSE));
+
+ /* Do OOM tests */
+ if (!init_service_reload_test (&directory))
+ _dbus_assert_not_reached ("could not initiate service reload test");
+
+ if (!do_service_reload_test (&directory, TRUE));
+
+ /* Cleanup test directory */
+ if (!cleanup_service_reload_test (&directory))
+ return FALSE;
+
+ _dbus_string_free (&directory);
+
+ return TRUE;
+}
+
+#endif /* DBUS_BUILD_TESTS */
projects / platform / upstream / dbus.git / blobdiff