/**
* g_dbus_is_address:
* @string: A string.
*
* Checks if @string is a D-Bus address.
*
* This doesn't check if @string is actually supported by #GDBusServer
* or #GDBusConnection - use g_dbus_is_supported_address() to do more
* checks.
*
* Returns: %TRUE if @string is a valid D-Bus address, %FALSE otherwise.
*
* Since: 2.26
*/
gboolean
g_dbus_is_address (const gchar *string)
{
guint n;
gchar **a;
gboolean ret;
ret = FALSE;
g_return_val_if_fail (string != NULL, FALSE);
a = g_strsplit (string, ";", 0);
if (a[0] == NULL)
goto out;
for (n = 0; a[n] != NULL; n++)
{
if (!_g_dbus_address_parse_entry (a[n],
NULL,
NULL,
NULL))
goto out;
}
ret = TRUE;
out:
g_strfreev (a);
return ret;
}
/**
* g_dbus_is_supported_address:
* @string: A string.
* @error: Return location for error or %NULL.
*
* Like g_dbus_is_address() but also checks if the library suppors the
* transports in @string and that key/value pairs for each transport
* are valid.
*
* Returns: %TRUE if @string is a valid D-Bus address that is
* supported by this library, %FALSE if @error is set.
*
* Since: 2.26
*/
gboolean
g_dbus_is_supported_address (const gchar *string,
GError **error)
{
guint n;
gchar **a;
gboolean ret;
ret = FALSE;
g_return_val_if_fail (string != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
a = g_strsplit (string, ";", 0);
for (n = 0; a[n] != NULL; n++)
{
gchar *transport_name;
GHashTable *key_value_pairs;
gboolean supported;
if (!_g_dbus_address_parse_entry (a[n],
&transport_name,
&key_value_pairs,
error))
goto out;
supported = FALSE;
if (g_strcmp0 (transport_name, "unix") == 0)
supported = is_valid_unix (a[n], key_value_pairs, error);
else if (g_strcmp0 (transport_name, "tcp") == 0)
supported = is_valid_tcp (a[n], key_value_pairs, error);
else if (g_strcmp0 (transport_name, "nonce-tcp") == 0)
supported = is_valid_nonce_tcp (a[n], key_value_pairs, error);
else if (g_strcmp0 (a[n], "autolaunch:") == 0)
supported = TRUE;
g_free (transport_name);
g_hash_table_unref (key_value_pairs);
if (!supported)
goto out;
}
ret = TRUE;
out:
g_strfreev (a);
g_assert (ret || (!ret && (error == NULL || *error != NULL)));
return ret;
}
static GIOStream *
g_dbus_address_try_connect_one (const gchar *address_entry,
gchar **out_guid,
GCancellable *cancellable,
GError **error)
{
GIOStream *ret;
GHashTable *key_value_pairs;
gchar *transport_name;
const gchar *guid;
ret = NULL;
transport_name = NULL;
key_value_pairs = NULL;
if (!_g_dbus_address_parse_entry (address_entry,
&transport_name,
&key_value_pairs,
error))
goto out;
ret = g_dbus_address_connect (address_entry,
transport_name,
key_value_pairs,
cancellable,
error);
if (ret == NULL)
goto out;
/* TODO: validate that guid is of correct format */
guid = g_hash_table_lookup (key_value_pairs, "guid");
if (guid != NULL && out_guid != NULL)
*out_guid = g_strdup (guid);
out:
g_free (transport_name);
if (key_value_pairs != NULL)
g_hash_table_unref (key_value_pairs);
return ret;
}
static gboolean
initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
GDBusServer *server = G_DBUS_SERVER (initable);
gboolean ret;
guint n;
gchar **addr_array;
GError *last_error;
ret = FALSE;
addr_array = NULL;
last_error = NULL;
if (!g_dbus_is_guid (server->guid))
{
g_set_error (&last_error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
_("The string '%s' is not a valid D-Bus GUID"),
server->guid);
goto out;
}
server->listener = G_SOCKET_LISTENER (g_threaded_socket_service_new (-1));
addr_array = g_strsplit (server->address, ";", 0);
last_error = NULL;
for (n = 0; addr_array != NULL && addr_array[n] != NULL; n++)
{
const gchar *address_entry = addr_array[n];
GHashTable *key_value_pairs;
gchar *transport_name;
GError *this_error;
this_error = NULL;
if (g_dbus_is_supported_address (address_entry,
&this_error) &&
_g_dbus_address_parse_entry (address_entry,
&transport_name,
&key_value_pairs,
&this_error))
{
if (FALSE)
{
}
#ifdef G_OS_UNIX
else if (g_strcmp0 (transport_name, "unix") == 0)
ret = try_unix (server, address_entry, key_value_pairs, &this_error);
#endif
else if (g_strcmp0 (transport_name, "tcp") == 0)
ret = try_tcp (server, address_entry, key_value_pairs, FALSE, &this_error);
else if (g_strcmp0 (transport_name, "nonce-tcp") == 0)
ret = try_tcp (server, address_entry, key_value_pairs, TRUE, &this_error);
else
g_set_error (&this_error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
_("Cannot listen on unsupported transport '%s'"),
transport_name);
g_free (transport_name);
if (key_value_pairs != NULL)
g_hash_table_unref (key_value_pairs);
if (ret)
{
g_assert (this_error == NULL);
goto out;
}
}
if (this_error != NULL)
{
if (last_error != NULL)
g_error_free (last_error);
last_error = this_error;
}
}
out:
g_strfreev (addr_array);
if (ret)
{
if (last_error != NULL)
g_error_free (last_error);
/* Right now we don't have any transport not using the listener... */
g_assert (server->is_using_listener);
server->run_signal_handler_id = g_signal_connect (G_SOCKET_SERVICE (server->listener),
"run",
G_CALLBACK (on_run),
server);
}
else
{
g_assert (last_error != NULL);
g_propagate_error (error, last_error);
}
return ret;
}
