* Boston, MA 02111-1307, USA.
*/
+#define _GNU_SOURCE
#include "config.h"
-#include "dbus/dbus-glib-lowlevel.h"
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
+#include<sys/stat.h>
#include <atk/atk.h>
#include <droute/droute.h>
#include <gmodule.h>
+#include <glib/gi18n.h>
+#include <atspi/atspi.h>
#include "bridge.h"
#include "event.h"
#include "adaptors.h"
#include "object.h"
+#include "common/spi-stateset.h"
#include "accessible-register.h"
#include "accessible-leasing.h"
/*---------------------------------------------------------------------------*/
-/*
- * Gets the IOR from the XDisplay.
- * Not currently used in D-Bus version, but something similar
- * may be employed in the future for accessing the registry daemon
- * bus name.
- */
-
-static DBusConnection *
-spi_atk_bridge_get_bus (void)
-{
- Atom AT_SPI_BUS;
- Atom actual_type;
- Display *bridge_display;
- int actual_format;
- unsigned char *data = NULL;
- unsigned long nitems;
- unsigned long leftover;
-
- DBusConnection *bus = NULL;
- DBusError error;
-
- bridge_display = XOpenDisplay (spi_display_name ());
- if (!bridge_display)
- {
- g_warning ("AT_SPI: Could not get the display\n");
- return NULL;
- }
-
- AT_SPI_BUS = XInternAtom (bridge_display, "AT_SPI_BUS", False);
- XGetWindowProperty (bridge_display,
- XDefaultRootWindow (bridge_display),
- AT_SPI_BUS, 0L,
- (long) BUFSIZ, False,
- (Atom) 31, &actual_type, &actual_format,
- &nitems, &leftover, &data);
-
- dbus_error_init (&error);
-
- if (data == NULL)
- {
- g_warning
- ("AT-SPI: Accessibility bus not found - Using session bus.\n");
- bus = dbus_bus_get (DBUS_BUS_SESSION, &error);
- if (!bus)
- {
- g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
- return NULL;
- }
- }
- else
- {
- bus = dbus_connection_open (data, &error);
- if (!bus)
- {
- g_warning ("AT-SPI: Couldn't connect to bus: %s\n", error.message);
- return NULL;
- }
- else
- {
- if (!dbus_bus_register (bus, &error))
- {
- g_warning ("AT-SPI: Couldn't register with bus: %s\n", error.message);
- return NULL;
- }
- }
- }
-
- return bus;
-}
-
static void
set_reply (DBusPendingCall *pending, void *user_data)
{
void **replyptr = (void **)user_data;
*replyptr = dbus_pending_call_steal_reply (pending);
+ dbus_pending_call_unref (pending);
}
-static DBusMessage *
-send_and_allow_reentry (DBusConnection *bus, DBusMessage *message, DBusError *error)
-{
- DBusPendingCall *pending;
- DBusMessage *reply = NULL;
-
- if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
- {
- return NULL;
- }
- dbus_pending_call_set_notify (pending, set_reply, (void *)&reply, NULL);
- while (!reply)
- {
- if (!dbus_connection_read_write_dispatch (bus, -1)) return NULL;
- }
- return reply;
-}
/*---------------------------------------------------------------------------*/
static void
}
dbus_message_iter_init (reply, &iter);
dbus_message_iter_recurse (&iter, &iter_array);
- /* TODO: This is bad. Need to determine that the array is non-empty,
- so that we don't initially read a value rom it in that case, but using
- a deprecated function. */
- if (dbus_message_iter_get_array_len (&iter_array) > 0) do
+ while (dbus_message_iter_get_arg_type (&iter_array) != DBUS_TYPE_INVALID)
{
char *bus_name, *event;
dbus_message_iter_recurse (&iter_array, &iter_struct);
dbus_message_iter_next (&iter_struct);
dbus_message_iter_get_basic (&iter_struct, &event);
add_event (bus_name, event);
+ dbus_message_iter_next (&iter_array);
}
- while (dbus_message_iter_next (&iter_array));
dbus_message_unref (reply);
}
SpiBridge *app = user_data;
DBusMessage *message;
- reply = dbus_pending_call_steal_reply (pending);
+ reply = dbus_pending_call_steal_reply (pending);
+ dbus_pending_call_unref (pending);
if (reply)
{
gchar *app_name, *obj_path;
if (strcmp (dbus_message_get_signature (reply), "(so)") != 0)
{
g_warning ("AT-SPI: Could not obtain desktop path or name\n");
-printf("sig: %s\n", dbus_message_get_signature(reply));
}
else
{
DBusMessageIter iter;
DBusError error;
DBusPendingCall *pending;
+ const int max_addr_length = 128; /* should be long enough */
dbus_error_init (&error);
dbus_message_iter_init_append (message, &iter);
spi_object_append_reference (&iter, app->root);
- if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1))
+ if (!dbus_connection_send_with_reply (app->bus, message, &pending, -1)
+ || !pending)
{
return FALSE;
}
if (message)
dbus_message_unref (message);
+ /* could this be better, we accept some amount of race in getting the temp name*/
+ /* make sure the directory exists */
+ mkdir ("/tmp/at-spi2/", S_IRWXU|S_IRWXG|S_IRWXO|S_ISVTX);
+ chmod ("/tmp/at-spi2/", S_IRWXU|S_IRWXG|S_IRWXO|S_ISVTX);
+ app->app_bus_addr = g_malloc(max_addr_length * sizeof(char));
+#ifndef DISABLE_P2P
+ sprintf (app->app_bus_addr, "unix:path=/tmp/at-spi2/socket-%d-%d", getpid(),
+ rand());
+#else
+ app->app_bus_addr [0] = '\0';
+#endif
+
return TRUE;
}
socket_class->embed = socket_embed_hook;
}
+static uint
+get_ancestral_uid (uint pid)
+{
+ FILE *fp;
+ char buf [80];
+ int ppid = 0;
+ int uid = 0;
+ gboolean got_ppid = 0;
+ gboolean got_uid = 0;
+
+ sprintf (buf, "/proc/%d/status", pid);
+ fp = fopen (buf, "r");
+ if (!fp)
+ return 0;
+ while ((!got_ppid || !got_uid) && fgets (buf, sizeof (buf), fp))
+ {
+ if (sscanf (buf, "PPid:\t%d", &ppid) == 1)
+ got_ppid = TRUE;
+ else if (sscanf (buf, "Uid:\t%d", &uid) == 1)
+ got_uid = TRUE;
+ }
+ fclose (fp);
+
+ if (!got_ppid || !got_uid)
+ return 0;
+ if (uid != 0)
+ return uid;
+ if (ppid == 0 || ppid == 1)
+ return 0;
+ return get_ancestral_uid (ppid);
+}
+
+static dbus_bool_t
+user_check (DBusConnection *bus, unsigned long uid)
+{
+ if (uid == getuid () || uid == geteuid ())
+ return TRUE;
+ if (getuid () == 0)
+ return get_ancestral_uid (getpid ()) == uid;
+ return FALSE;
+}
+
+static void
+new_connection_cb (DBusServer *server, DBusConnection *con, void *data)
+{
+ GList *new_list;
+
+ dbus_connection_set_unix_user_function (con, user_check, NULL, NULL);
+ dbus_connection_ref(con);
+ atspi_dbus_connection_setup_with_g_main(con, NULL);
+ droute_intercept_dbus (con);
+ droute_context_register (spi_global_app_data->droute, con);
+
+ new_list = g_list_append (spi_global_app_data->direct_connections, con);
+ if (new_list)
+ spi_global_app_data->direct_connections = new_list;
+}
+
+static int
+setup_bus (void)
+{
+#ifndef DISABLE_P2P
+ DBusServer *server;
+ DBusError err;
+
+ dbus_error_init(&err);
+ server = dbus_server_listen(spi_global_app_data->app_bus_addr, &err);
+ if (server == NULL)
+ {
+ g_warning (_("atk-bridge: Couldn't listen on dbus server: %s"), err.message);
+ dbus_error_init (&err);
+ spi_global_app_data->app_bus_addr [0] = '\0';
+ g_main_context_unref (spi_global_app_data->main_context);
+ spi_global_app_data->main_context = NULL;
+ return -1;
+ }
+
+ atspi_dbus_server_setup_with_g_main(server, NULL);
+ dbus_server_set_new_connection_function(server, new_connection_cb, NULL, NULL);
+
+ spi_global_app_data->server = server;
+#endif
+
+ return 0;
+}
+
+
gchar *atspi_dbus_name = NULL;
static gboolean atspi_no_register = FALSE;
list = list->next;
}
}
+
+ g_strfreev (remove_data);
}
static void
*
* - DRoute for routing message to their accessible objects.
* - Event handlers for emmitting signals on specific ATK events.
+ * - setup the bus for p2p communication
* - Application registration with the AT-SPI registry.
*
*/
g_option_context_set_ignore_unknown_options (opt, TRUE);
if (!g_option_context_parse (opt, argc, argv, &err))
g_warning ("AT-SPI Option parsing failed: %s\n", err->message);
+ g_option_context_free (opt);
/* Allocate global data and do ATK initializations */
spi_global_app_data = g_new0 (SpiBridge, 1);
/* Set up D-Bus connection and register bus name */
dbus_error_init (&error);
- spi_global_app_data->bus = spi_atk_bridge_get_bus ();
+ spi_global_app_data->bus = atspi_get_a11y_bus ();
if (!spi_global_app_data->bus)
{
g_free (spi_global_app_data);
}
}
- dbus_connection_setup_with_g_main (spi_global_app_data->bus,
- g_main_context_default ());
+ spi_global_app_data->main_context = g_main_context_new ();
+
+ atspi_dbus_connection_setup_with_g_main (spi_global_app_data->bus, NULL);
/* Hook our plug-and socket functions */
install_plug_hooks ();
/* Register droute for routing AT-SPI messages */
spi_global_app_data->droute =
- droute_new (spi_global_app_data->bus);
+ droute_new ();
treepath = droute_add_one (spi_global_app_data->droute,
"/org/a11y/atspi/cache", spi_global_cache);
spi_initialize_text (accpath);
spi_initialize_value (accpath);
+ droute_context_register (spi_global_app_data->droute,
+ spi_global_app_data->bus);
+
/* Register methods to send D-Bus signals on certain ATK events */
spi_atk_register_event_listeners ();
else
get_registered_event_listeners (spi_global_app_data);
+ setup_bus();
+
return 0;
}