* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
- * Public License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include "giostream.h"
#include "gasyncresult.h"
#include "gsimpleasyncresult.h"
+#include "glib-private.h"
#include "gdbusprivate.h"
#include "giomodule-priv.h"
#include "gdbusdaemon.h"
+#include "gkdbus.h"
#ifdef G_OS_UNIX
#include <gio/gunixsocketaddress.h>
*
* Routines for working with D-Bus addresses. A D-Bus address is a string
* like "unix:tmpdir=/tmp/my-app-name". The exact format of addresses
- * is explained in detail in the <link linkend="http://dbus.freedesktop.org/doc/dbus-specification.html#addresses">D-Bus specification</link>.
+ * is explained in detail in the [D-Bus specification](http://dbus.freedesktop.org/doc/dbus-specification.html\#addresses).
*/
static gchar *get_session_address_platform_specific (GError **error);
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Unsupported key `%s' in address entry `%s'"),
+ _("Unsupported key '%s' in address entry '%s'"),
key,
address_entry);
goto out;
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Address `%s' is invalid (need exactly one of path, tmpdir or abstract keys)"),
+ _("Address '%s' is invalid (need exactly one of path, tmpdir or abstract keys)"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Meaningless key/value pair combination in address entry `%s'"),
+ _("Meaningless key/value pair combination in address entry '%s'"),
address_entry);
out:
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Unsupported key `%s' in address entry `%s'"),
+ _("Unsupported key '%s' in address entry '%s'"),
key,
address_entry);
goto out;
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the port attribute is malformed"),
+ _("Error in address '%s' - the port attribute is malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the family attribute is malformed"),
+ _("Error in address '%s' - the family attribute is malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Unsupported key `%s' in address entry `%s'"),
+ _("Unsupported key '%s' in address entry '%s'"),
key,
address_entry);
goto out;
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the port attribute is malformed"),
+ _("Error in address '%s' - the port attribute is malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the family attribute is malformed"),
+ _("Error in address '%s' - the family attribute is malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Address element `%s' does not contain a colon (:)"),
+ _("Address element '%s' does not contain a colon (:)"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Key/Value pair %d, `%s', in address element `%s' does not contain an equal sign"),
+ _("Key/Value pair %d, '%s', in address element '%s' does not contain an equal sign"),
n,
kv_pair,
address_entry);
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error unescaping key or value in Key/Value pair %d, `%s', in address element `%s'"),
+ _("Error unescaping key or value in Key/Value pair %d, '%s', in address element '%s'"),
n,
kv_pair,
address_entry);
/* ---------------------------------------------------------------------------------------------------- */
-static GIOStream *
+static GObject *
g_dbus_address_try_connect_one (const gchar *address_entry,
+ gboolean kdbus_okay,
gchar **out_guid,
GCancellable *cancellable,
GError **error);
* point. That way we can implement a D-Bus transport over X11 without
* making libgio link to libX11...
*/
-static GIOStream *
+static GObject *
g_dbus_address_connect (const gchar *address_entry,
const gchar *transport_name,
+ gboolean kdbus_okay,
GHashTable *key_value_pairs,
GCancellable *cancellable,
GError **error)
{
- GIOStream *ret;
+ GObject *ret;
GSocketConnectable *connectable;
const gchar *nonce_file;
{
}
#ifdef G_OS_UNIX
+ else if (kdbus_okay && g_str_equal (transport_name, "kernel"))
+ {
+ GKDBusWorker *worker;
+ const gchar *path;
+
+ path = g_hash_table_lookup (key_value_pairs, "path");
+
+ if (path == NULL)
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
+ _("Error in address '%s' - the kernel transport requires a path"),
+ address_entry);
+ }
+ else
+ {
+ worker = g_kdbus_worker_new (path, error);
+
+ if (worker == NULL)
+ return NULL;
+
+ return G_OBJECT (worker);
+ }
+ }
else if (g_strcmp0 (transport_name, "unix") == 0)
{
const gchar *path;
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the unix transport requires exactly one of the "
- "keys `path' or `abstract' to be set"),
+ _("Error in address '%s' - the unix transport requires exactly one of the "
+ "keys 'path' or 'abstract' to be set"),
address_entry);
}
else if (path != NULL)
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the host attribute is missing or malformed"),
+ _("Error in address '%s' - the host attribute is missing or malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the port attribute is missing or malformed"),
+ _("Error in address '%s' - the port attribute is missing or malformed"),
address_entry);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error in address `%s' - the noncefile attribute is missing or malformed"),
+ _("Error in address '%s' - the noncefile attribute is missing or malformed"),
address_entry);
goto out;
}
autolaunch_address = get_session_address_platform_specific (error);
if (autolaunch_address != NULL)
{
- ret = g_dbus_address_try_connect_one (autolaunch_address, NULL, cancellable, error);
+ ret = g_dbus_address_try_connect_one (autolaunch_address, kdbus_okay, NULL, cancellable, error);
g_free (autolaunch_address);
goto out;
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Unknown or unsupported transport `%s' for address `%s'"),
+ _("Unknown or unsupported transport '%s' for address '%s'"),
transport_name,
address_entry);
}
if (connection == NULL)
goto out;
- ret = G_IO_STREAM (connection);
+ ret = G_OBJECT (connection);
if (nonce_file != NULL)
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error opening nonce file `%s': %s"),
+ _("Error opening nonce file '%s': %s"),
nonce_file,
g_strerror (errno));
g_object_unref (ret);
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error reading from nonce file `%s': %s"),
+ _("Error reading from nonce file '%s': %s"),
nonce_file,
g_strerror (errno));
}
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
- _("Error reading from nonce file `%s', expected 16 bytes, got %d"),
+ _("Error reading from nonce file '%s', expected 16 bytes, got %d"),
nonce_file,
(gint) num_bytes_read);
}
}
fclose (f);
- if (!g_output_stream_write_all (g_io_stream_get_output_stream (ret),
+ if (!g_output_stream_write_all (g_io_stream_get_output_stream (G_IO_STREAM (connection)),
nonce_contents,
16,
NULL,
cancellable,
error))
{
- g_prefix_error (error, _("Error writing contents of nonce file `%s' to stream:"), nonce_file);
+ g_prefix_error (error, _("Error writing contents of nonce file '%s' to stream:"), nonce_file);
g_object_unref (ret);
ret = NULL;
goto out;
return ret;
}
-static GIOStream *
+static GObject *
g_dbus_address_try_connect_one (const gchar *address_entry,
+ gboolean kdbus_okay,
gchar **out_guid,
GCancellable *cancellable,
GError **error)
{
- GIOStream *ret;
+ GObject *ret;
GHashTable *key_value_pairs;
gchar *transport_name;
const gchar *guid;
ret = g_dbus_address_connect (address_entry,
transport_name,
+ kdbus_okay,
key_value_pairs,
cancellable,
error);
GCancellable *cancellable,
GError **error)
{
- GIOStream *ret;
+ GObject *result;
+
+ result = g_dbus_address_get_stream_internal (address, FALSE, out_guid, cancellable, error);
+ g_assert (result == NULL || G_IS_IO_STREAM (result));
+
+ if (result)
+ return G_IO_STREAM (result);
+
+ return NULL;
+}
+
+GObject *
+g_dbus_address_get_stream_internal (const gchar *address,
+ gboolean kdbus_okay,
+ gchar **out_guid,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GObject *ret;
gchar **addr_array;
guint n;
GError *last_error;
this_error = NULL;
ret = g_dbus_address_try_connect_one (addr,
+ kdbus_okay,
out_guid,
cancellable,
&this_error);
restore_dbus_verbose = FALSE;
old_dbus_verbose = NULL;
+ /* Don't run binaries as root if we're setuid. */
+ if (GLIB_PRIVATE_CALL (g_check_setuid) ())
+ {
+ g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
+ _("Cannot spawn a message bus when setuid"));
+ goto out;
+ }
+
machine_id = _g_dbus_get_machine_id (error);
if (machine_id == NULL)
{
if (G_UNLIKELY (_g_dbus_debug_address ()))
{
_g_dbus_debug_print_lock ();
- g_print ("GDBus-debug:Address: Running `%s' to get bus address (possibly autolaunching)\n", command_line);
+ g_print ("GDBus-debug:Address: Running '%s' to get bus address (possibly autolaunching)\n", command_line);
old_dbus_verbose = g_strdup (g_getenv ("DBUS_VERBOSE"));
restore_dbus_verbose = TRUE;
g_setenv ("DBUS_VERBOSE", "1", TRUE);
if (!g_spawn_check_exit_status (exit_status, error))
{
- g_prefix_error (error, _("Error spawning command line `%s': "), command_line);
+ g_prefix_error (error, _("Error spawning command line '%s': "), command_line);
goto out;
}
}
static void
-unpublish_session_bus ()
+unpublish_session_bus (void)
{
HANDLE init_mutex;
g_main_loop_quit (loop);
}
+__declspec(dllexport) void CALLBACK g_win32_run_session_bus (HWND hwnd, HINSTANCE hinst, char *cmdline, int nCmdShow);
+
__declspec(dllexport) void CALLBACK
g_win32_run_session_bus (HWND hwnd, HINSTANCE hinst, char *cmdline, int nCmdShow)
{
if (g_getenv ("GDBUS_DAEMON_DEBUG") != NULL)
open_console_window ();
- g_type_init ();
-
loop = g_main_loop_new (NULL, FALSE);
address = "nonce-tcp:";
wcscat (args, rundll_path);
wcscat (args, L"\" ");
wcscat (args, gio_path_short);
+#if defined(_WIN64) || defined(_M_X64) || defined(_M_AMD64)
+ wcscat (args, L",g_win32_run_session_bus");
+#elif defined (_MSC_VER)
+ wcscat (args, L",_g_win32_run_session_bus@16");
+#else
wcscat (args, L",g_win32_run_session_bus@16");
+#endif
res = CreateProcessW (rundll_path, args,
0, 0, FALSE,
{
gchar *ret;
#if defined (G_OS_UNIX) || defined(G_OS_WIN32)
- /* need to handle OS X in a different way since `dbus-launch --autolaunch' probably won't work there */
+ /* need to handle OS X in a different way since 'dbus-launch --autolaunch' probably won't work there */
ret = get_session_address_dbus_launch (error);
#else
/* TODO: implement for OS X */
/**
* g_dbus_address_get_for_bus_sync:
- * @bus_type: A #GBusType.
- * @cancellable: (allow-none): A #GCancellable or %NULL.
- * @error: Return location for error or %NULL.
+ * @bus_type: a #GBusType
+ * @cancellable: (allow-none): a #GCancellable or %NULL
+ * @error: return location for error or %NULL
*
* Synchronously looks up the D-Bus address for the well-known message
* bus instance specified by @bus_type. This may involve using various
* platform specific mechanisms.
*
- * Returns: A valid D-Bus address string for @bus_type or %NULL if @error is set.
+ * Returns: a valid D-Bus address string for @bus_type or %NULL if
+ * @error is set
*
* Since: 2.26
*/
GError **error)
{
gchar *ret;
+ const gchar *system_bus;
+ const gchar *session_bus;
const gchar *starter_bus;
GError *local_error;
{
guint n;
_g_dbus_debug_print_lock ();
- g_print ("GDBus-debug:Address: In g_dbus_address_get_for_bus_sync() for bus type `%s'\n",
+ g_print ("GDBus-debug:Address: In g_dbus_address_get_for_bus_sync() for bus type '%s'\n",
_g_dbus_enum_to_string (G_TYPE_BUS_TYPE, bus_type));
for (n = 0; n < 3; n++)
{
v = g_getenv (k);
g_print ("GDBus-debug:Address: env var %s", k);
if (v != NULL)
- g_print ("=`%s'\n", v);
+ g_print ("='%s'\n", v);
else
g_print (" is not set\n");
}
}
break;
+ case G_BUS_TYPE_MACHINE:
+ system_bus = g_getenv ("DBUS_SYSTEM_BUS_ADDRESS");
+ if (system_bus == NULL)
+ ret = g_strdup ("kernel:path=/sys/fs/kdbus/0-system/bus;unix:path=/var/run/dbus/system_bus_socket");
+ else
+ ret = g_strdup_printf ("kernel:path=/sys/fs/kdbus/0-system/bus;%s", system_bus);
+ break;
+
+ case G_BUS_TYPE_USER:
+ session_bus = g_getenv ("DBUS_SESSION_BUS_ADDRESS");
+ if (session_bus == NULL)
+ ret = g_strdup_printf ("kernel:path=%s/kdbus;%s", g_get_user_runtime_dir (),
+ get_session_address_platform_specific (&local_error));
+ else
+ ret = g_strdup_printf ("kernel:path=%s/kdbus;%s", g_get_user_runtime_dir (), session_bus);
+ break;
+
case G_BUS_TYPE_STARTER:
starter_bus = g_getenv ("DBUS_STARTER_BUS_TYPE");
if (g_strcmp0 (starter_bus, "session") == 0)
G_IO_ERROR,
G_IO_ERROR_FAILED,
_("Cannot determine bus address from DBUS_STARTER_BUS_TYPE environment variable"
- " - unknown value `%s'"),
+ " - unknown value '%s'"),
starter_bus);
}
else
_g_dbus_debug_print_lock ();
if (ret != NULL)
{
- g_print ("GDBus-debug:Address: Returning address `%s' for bus type `%s'\n",
+ g_print ("GDBus-debug:Address: Returning address '%s' for bus type '%s'\n",
ret,
_g_dbus_enum_to_string (G_TYPE_BUS_TYPE, bus_type));
}
else
{
- g_print ("GDBus-debug:Address: Cannot look-up address bus type `%s': %s\n",
+ g_print ("GDBus-debug:Address: Cannot look-up address bus type '%s': %s\n",
_g_dbus_enum_to_string (G_TYPE_BUS_TYPE, bus_type),
local_error ? local_error->message : "");
}
return ret;
}
+
+/**
+ * g_dbus_address_escape_value:
+ * @string: an unescaped string to be included in a D-Bus address
+ * as the value in a key-value pair
+ *
+ * Escape @string so it can appear in a D-Bus address as the value
+ * part of a key-value pair.
+ *
+ * For instance, if @string is "/run/bus-for-:0",
+ * this function would return "/run/bus-for-%3A0",
+ * which could be used in a D-Bus address like
+ * "unix:nonce-tcp:host=127.0.0.1,port=42,noncefile=/run/bus-for-%3A0".
+ *
+ * Returns: (transfer full): a copy of @string with all
+ * non-optionally-escaped bytes escaped
+ *
+ * Since: 2.36
+ */
+gchar *
+g_dbus_address_escape_value (const gchar *string)
+{
+ GString *s;
+ gsize i;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ /* There will often not be anything needing escaping at all. */
+ s = g_string_sized_new (strlen (string));
+
+ /* D-Bus address escaping is mostly the same as URI escaping... */
+ g_string_append_uri_escaped (s, string, "\\/", FALSE);
+
+ /* ... but '~' is an unreserved character in URIs, but a
+ * non-optionally-escaped character in D-Bus addresses. */
+ for (i = 0; i < s->len; i++)
+ {
+ if (G_UNLIKELY (s->str[i] == '~'))
+ {
+ s->str[i] = '%';
+ g_string_insert (s, i + 1, "7E");
+ i += 2;
+ }
+ }
+
+ return g_string_free (s, FALSE);
+}