static void
name_owner_changed (DBusGProxy *proxy,
const char *name,
const char *old_owner,
const char *new_owner,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
const char *sname = NM_DBUS_SERVICE;
if (!strcmp (name, sname)) {
if (priv->fetch_id)
g_source_remove (priv->fetch_id);
if (new_owner && strlen (new_owner) > 0) {
priv->fetch_id = g_idle_add (fetch_connections, self);
priv->service_running = TRUE;
} else {
priv->fetch_id = g_idle_add (remove_connections, self);
priv->service_running = FALSE;
}
g_object_notify (G_OBJECT (self), NM_REMOTE_SETTINGS_SERVICE_RUNNING);
}
}
static void
properties_changed_cb (DBusGProxy *proxy,
GHashTable *properties,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
GHashTableIter iter;
gpointer key, tmp;
g_hash_table_iter_init (&iter, properties);
while (g_hash_table_iter_next (&iter, &key, &tmp)) {
GValue *value = tmp;
if (!strcmp ((const char *) key, "Hostname")) {
g_free (priv->hostname);
priv->hostname = g_value_dup_string (value);
g_object_notify (G_OBJECT (self), NM_REMOTE_SETTINGS_HOSTNAME);
}
if (!strcmp ((const char *) key, "CanModify")) {
priv->can_modify = g_value_get_boolean (value);
g_object_notify (G_OBJECT (self), NM_REMOTE_SETTINGS_CAN_MODIFY);
}
}
}
static void
get_all_cb (DBusGProxy *proxy,
DBusGProxyCall *call,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
GHashTable *props = NULL;
GError *error = NULL;
if (!dbus_g_proxy_end_call (proxy, call, &error,
DBUS_TYPE_G_MAP_OF_VARIANT, &props,
G_TYPE_INVALID)) {
/* Don't warn when the call times out because the settings service can't
* be activated or whatever.
*/
if (!(error->domain == DBUS_GERROR && error->code == DBUS_GERROR_NO_REPLY)) {
g_warning ("%s: couldn't retrieve system settings properties: (%d) %s.",
__func__,
error ? error->code : -1,
(error && error->message) ? error->message : "(unknown)");
}
g_clear_error (&error);
return;
}
properties_changed_cb (NULL, props, self);
g_hash_table_destroy (props);
}
static void
fetch_connections_done (DBusGProxy *proxy,
GPtrArray *connections,
GError *error,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
int i;
if (error) {
g_warning ("%s: error fetching %s connections: (%d) %s.",
__func__,
priv->scope == NM_CONNECTION_SCOPE_USER ? "user" : "system",
error->code,
error->message ? error->message : "(unknown)");
g_clear_error (&error);
return;
}
/* Let listeners know we are done getting connections */
if (connections->len == 0) {
g_signal_emit_by_name (self, NM_SETTINGS_INTERFACE_CONNECTIONS_READ);
return;
}
for (i = 0; connections && (i < connections->len); i++) {
char *path = g_ptr_array_index (connections, i);
new_connection_cb (proxy, path, user_data);
g_free (path);
}
g_ptr_array_free (connections, TRUE);
}
static void
dispose (GObject *object)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (object);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
if (priv->disposed)
return;
priv->disposed = TRUE;
if (priv->fetch_id)
g_source_remove (priv->fetch_id);
while (g_slist_length (priv->add_list))
add_connection_info_dispose (self, (AddConnectionInfo *) priv->add_list->data);
if (priv->connections)
g_hash_table_destroy (priv->connections);
if (priv->pending)
g_hash_table_destroy (priv->pending);
g_free (priv->hostname);
g_object_unref (priv->dbus_proxy);
g_object_unref (priv->proxy);
g_object_unref (priv->props_proxy);
dbus_g_connection_unref (priv->bus);
G_OBJECT_CLASS (nm_remote_settings_parent_class)->dispose (object);
}
static gboolean
remove_connections (gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
clear_one_hash (priv->pending);
clear_one_hash (priv->connections);
return FALSE;
}
static void
connection_removed_cb (NMRemoteConnection *remote, gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
const char *path;
path = nm_connection_get_path (NM_CONNECTION (remote));
g_hash_table_remove (priv->connections, path);
g_hash_table_remove (priv->pending, path);
}
static gboolean
fetch_connections (gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
priv->fetch_id = 0;
org_freedesktop_NetworkManager_Settings_list_connections_async (priv->proxy,
fetch_connections_done,
self);
return FALSE;
}
static gboolean
remove_connections (gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
GHashTableIter iter;
gpointer value;
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, &value))
g_signal_emit_by_name (NM_REMOTE_CONNECTION (value), "removed");
g_hash_table_remove_all (priv->connections);
return FALSE;
}
static void
connection_init_result_cb (NMRemoteConnection *remote,
GParamSpec *pspec,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
guint32 init_result = NM_REMOTE_CONNECTION_INIT_RESULT_UNKNOWN;
const char *path;
/* Disconnect from the init-result signal just to be safe */
g_signal_handlers_disconnect_matched (remote,
G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA,
0,
0,
NULL,
G_CALLBACK (connection_init_result_cb),
self);
path = nm_connection_get_path (NM_CONNECTION (remote));
g_object_get (G_OBJECT (remote),
NM_REMOTE_CONNECTION_INIT_RESULT, &init_result,
NULL);
switch (init_result) {
case NM_REMOTE_CONNECTION_INIT_RESULT_SUCCESS:
/* ref it when adding to ->connections, since removing it from ->pending
* will unref it.
*/
g_hash_table_insert (priv->connections, g_strdup (path), g_object_ref (remote));
/* Finally, let users know of the new connection now that it has all
* its settings and is valid.
*/
g_signal_emit_by_name (self, "new-connection", remote);
break;
case NM_REMOTE_CONNECTION_INIT_RESULT_ERROR:
default:
break;
}
g_hash_table_remove (priv->pending, path);
/* Let listeners know that all connections have been found */
if (!g_hash_table_size (priv->pending))
g_signal_emit_by_name (self, NM_SETTINGS_INTERFACE_CONNECTIONS_READ);
}
static void
fetch_connections_done (DBusGProxy *proxy,
GPtrArray *connections,
GError *error,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
int i;
if (error) {
/* Ignore settings service spawn errors */
if ( !g_error_matches (error, DBUS_GERROR, DBUS_GERROR_SERVICE_UNKNOWN)
&& !g_error_matches (error, DBUS_GERROR, DBUS_GERROR_NAME_HAS_NO_OWNER)) {
g_warning ("%s: error fetching connections: (%d) %s.",
__func__,
error->code,
error->message ? error->message : "(unknown)");
}
g_clear_error (&error);
/* We tried to read connections and failed */
g_signal_emit (self, signals[CONNECTIONS_READ], 0);
return;
}
/* Let listeners know we are done getting connections */
if (connections->len == 0)
g_signal_emit (self, signals[CONNECTIONS_READ], 0);
else {
priv->init_left = connections->len;
for (i = 0; i < connections->len; i++) {
char *path = g_ptr_array_index (connections, i);
new_connection_cb (proxy, path, user_data);
g_free (path);
}
}
g_ptr_array_free (connections, TRUE);
}
static void
connection_visible_cb (NMRemoteConnection *remote,
gboolean visible,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
const char *path;
path = nm_connection_get_path (NM_CONNECTION (remote));
g_assert (path);
/* When a connection becomes invisible, we put it back in the pending
* hash until it becomes visible again. When it does, we move it back to
* the normal connections hash.
*/
if (visible) {
/* Connection visible to this user again */
if (g_hash_table_lookup (priv->pending, path)) {
/* Move connection from pending to visible hash; emit for clients */
g_hash_table_insert (priv->connections, g_strdup (path), g_object_ref (remote));
g_hash_table_remove (priv->pending, path);
g_signal_emit (self, signals[NEW_CONNECTION], 0, remote);
}
} else {
/* Connection now invisible to this user */
if (g_hash_table_lookup (priv->connections, path)) {
/* Move connection to pending hash and wait for it to become visible again */
g_hash_table_insert (priv->pending, g_strdup (path), g_object_ref (remote));
g_hash_table_remove (priv->connections, path);
/* Signal to clients that the connection is gone; but we have to
* block our connection removed handler so we don't destroy
* the connection when the signal is emitted.
*/
g_signal_handlers_block_by_func (remote, connection_removed_cb, self);
g_signal_emit_by_name (remote, NM_REMOTE_CONNECTION_REMOVED);
g_signal_handlers_unblock_by_func (remote, connection_removed_cb, self);
}
}
}
static NMRemoteConnection *
new_connection_cb (DBusGProxy *proxy, const char *path, gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
NMRemoteConnection *connection = NULL;
/* Make double-sure we don't already have it */
connection = g_hash_table_lookup (priv->pending, path);
if (connection)
return connection;
connection = g_hash_table_lookup (priv->connections, path);
if (connection)
return connection;
/* Create a new connection object for it */
connection = nm_remote_connection_new (priv->bus, path);
if (connection) {
g_signal_connect (connection, NM_REMOTE_CONNECTION_REMOVED,
G_CALLBACK (connection_removed_cb),
self);
g_signal_connect (connection, "visible",
G_CALLBACK (connection_visible_cb),
self);
g_signal_connect (connection, "notify::" NM_REMOTE_CONNECTION_INIT_RESULT,
G_CALLBACK (connection_init_result_cb),
self);
/* Add the connection to the pending table to wait for it to retrieve
* it's settings asynchronously over D-Bus. The connection isn't
* really valid until it has all its settings, so hide it until it does.
*/
g_hash_table_insert (priv->pending, g_strdup (path), connection);
}
return connection;
}
static void
connection_removed_cb (NMRemoteConnection *remote, gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
AddConnectionInfo *addinfo;
GError *add_error;
const char *path;
/* Might have been removed while it was waiting to be initialized */
addinfo = add_connection_info_find (self, remote);
if (addinfo) {
add_error = g_error_new_literal (NM_REMOTE_SETTINGS_ERROR,
NM_REMOTE_SETTINGS_ERROR_CONNECTION_REMOVED,
"Connection removed before it was initialized");
add_connection_info_complete (self, addinfo, add_error);
g_error_free (add_error);
}
path = nm_connection_get_path (NM_CONNECTION (remote));
g_hash_table_remove (priv->connections, path);
g_hash_table_remove (priv->pending, path);
}
static gboolean
add_connection (NMSettingsInterface *settings,
NMConnection *connection,
NMSettingsAddConnectionFunc callback,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (settings);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
AddConnectionInfo *info;
GHashTable *new_settings;
info = g_malloc0 (sizeof (AddConnectionInfo));
info->self = settings;
info->callback = callback;
info->callback_data = user_data;
new_settings = nm_connection_to_hash (connection);
org_freedesktop_NetworkManagerSettings_add_connection_async (priv->proxy,
new_settings,
add_connection_done,
info);
g_hash_table_destroy (new_settings);
return TRUE;
}
static void
new_connection_cb (DBusGProxy *proxy, const char *path, gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
NMRemoteConnection *connection;
connection = nm_remote_connection_new (priv->bus, priv->scope, path);
if (connection) {
g_signal_connect (connection, "removed",
G_CALLBACK (connection_removed_cb),
self);
g_signal_connect (connection, "notify::" NM_REMOTE_CONNECTION_INIT_RESULT,
G_CALLBACK (connection_init_result_cb),
self);
/* Add the connection to the pending table to wait for it to retrieve
* it's settings asynchronously over D-Bus. The connection isn't
* really valid until it has all its settings, so hide it until it does.
*/
g_hash_table_insert (priv->pending, g_strdup (path), connection);
}
}
static void
connection_init_result_cb (NMRemoteConnection *remote,
GParamSpec *pspec,
gpointer user_data)
{
NMRemoteSettings *self = NM_REMOTE_SETTINGS (user_data);
NMRemoteSettingsPrivate *priv = NM_REMOTE_SETTINGS_GET_PRIVATE (self);
guint32 init_result = NM_REMOTE_CONNECTION_INIT_RESULT_UNKNOWN;
AddConnectionInfo *addinfo;
const char *path;
GError *add_error = NULL;
gboolean remove_from_pending = TRUE;
/* Disconnect from the init-result signal just to be safe */
g_signal_handlers_disconnect_matched (remote,
G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA,
0,
0,
NULL,
G_CALLBACK (connection_init_result_cb),
self);
path = nm_connection_get_path (NM_CONNECTION (remote));
g_object_get (G_OBJECT (remote),
NM_REMOTE_CONNECTION_INIT_RESULT, &init_result,
NULL);
addinfo = add_connection_info_find (self, remote);
switch (init_result) {
case NM_REMOTE_CONNECTION_INIT_RESULT_SUCCESS:
/* ref it when adding to ->connections, since removing it from ->pending
* will unref it.
*/
g_hash_table_insert (priv->connections, g_strdup (path), g_object_ref (remote));
/* If there's a pending AddConnection request, complete that here before
* signaling new-connection.
*/
if (addinfo)
add_connection_info_complete (self, addinfo, NULL);
/* Finally, let users know of the new connection now that it has all
* its settings and is valid.
*/
g_signal_emit (self, signals[NEW_CONNECTION], 0, remote);
break;
case NM_REMOTE_CONNECTION_INIT_RESULT_INVISIBLE:
remove_from_pending = FALSE;
/* fall through */
case NM_REMOTE_CONNECTION_INIT_RESULT_ERROR:
/* Complete pending AddConnection callbacks */
if (addinfo) {
add_error = g_error_new_literal (NM_REMOTE_SETTINGS_ERROR,
NM_REMOTE_SETTINGS_ERROR_CONNECTION_UNAVAILABLE,
"Connection not visible or not available");
add_connection_info_complete (self, addinfo, add_error);
g_error_free (add_error);
}
break;
default:
break;
}
if (remove_from_pending)
g_hash_table_remove (priv->pending, path);
/* Let listeners know that all connections have been found */
priv->init_left--;
if (priv->init_left == 0)
g_signal_emit (self, signals[CONNECTIONS_READ], 0);
}
