static GSList *
get_unhandled_specs (NMSystemConfigInterface *config,
const char *property)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (config);
GSList *list = NULL, *list_iter;
GHashTableIter iter;
gpointer connection;
char *spec;
gboolean found;
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, &connection)) {
g_object_get (connection, property, &spec, NULL);
if (spec) {
/* Ignore duplicates */
for (list_iter = list, found = FALSE; list_iter; list_iter = g_slist_next (list_iter)) {
if (g_str_equal (list_iter->data, spec)) {
found = TRUE;
break;
}
}
if (found)
g_free (spec);
else
list = g_slist_prepend (list, spec);
}
}
return list;
}
static void
remove_connection (SCPluginIfcfg *self, NMIfcfgConnection *connection)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
gboolean unmanaged, unrecognized;
g_return_if_fail (self != NULL);
g_return_if_fail (connection != NULL);
_LOGI ("remove "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection));
unmanaged = !!nm_ifcfg_connection_get_unmanaged_spec (connection);
unrecognized = !!nm_ifcfg_connection_get_unrecognized_spec (connection);
g_object_ref (connection);
g_hash_table_remove (priv->connections, nm_connection_get_uuid (NM_CONNECTION (connection)));
nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (connection));
g_object_unref (connection);
/* Emit changes _after_ removing the connection */
if (unmanaged)
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
if (unrecognized)
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNRECOGNIZED_SPECS_CHANGED);
}
static GSList *
get_connections (NMSystemConfigInterface *config)
{
SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (config);
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
GSList *list = NULL;
GHashTableIter iter;
NMIfcfgConnection *connection;
if (!priv->initialized) {
if (nm_config_get_monitor_connection_files (nm_config_get ()))
setup_ifcfg_monitoring (plugin);
read_connections (plugin);
priv->initialized = TRUE;
}
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) &connection)) {
if ( !nm_ifcfg_connection_get_unmanaged_spec (connection)
&& !nm_ifcfg_connection_get_unrecognized_spec (connection))
list = g_slist_prepend (list, connection);
}
return list;
}
static void
init (NMSystemConfigInterface *config)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (config);
priv->hostname_monitor = monitor_file_changes (HOSTNAME_FILE, hostname_changed, config);
priv->dhcp_monitor = monitor_file_changes (CONF_DHCP, hostname_changed, config);
if (!hostname_is_dynamic ())
priv->hostname = hostname_read ();
}
static void
hostname_changed (gpointer data)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (data);
g_free (priv->hostname);
if (hostname_is_dynamic ())
priv->hostname = NULL;
else
priv->hostname = hostname_read ();
g_object_notify (G_OBJECT (data), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
}
static NMIfcfgConnection *
_internal_new_connection (SCPluginIfcfg *self,
const char *path,
NMConnection *source,
GError **error)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
NMIfcfgConnection *connection;
const char *cid;
GError *local = NULL;
gboolean ignore_error = FALSE;
if (!source) {
PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "parsing %s ... ", path);
}
connection = nm_ifcfg_connection_new (path, source, &local, &ignore_error);
if (!connection) {
if (!ignore_error) {
PLUGIN_PRINT (IFCFG_PLUGIN_NAME, " error: %s",
(local && local->message) ? local->message : "(unknown)");
}
g_propagate_error (error, local);
return NULL;
}
cid = nm_connection_get_id (NM_CONNECTION (connection));
g_assert (cid);
g_hash_table_insert (priv->connections,
(gpointer) nm_ifcfg_connection_get_path (connection),
connection);
PLUGIN_PRINT (IFCFG_PLUGIN_NAME, " read connection '%s'", cid);
if (nm_ifcfg_connection_get_unmanaged_spec (connection)) {
PLUGIN_PRINT (IFCFG_PLUGIN_NAME, "Ignoring connection '%s' and its "
"device due to NM_CONTROLLED/BRIDGE/VLAN.", cid);
} else {
/* Wait for the connection to become unmanaged once it knows the
* hardware IDs of its device, if/when the device gets plugged in.
*/
g_signal_connect (G_OBJECT (connection), "notify::" NM_IFCFG_CONNECTION_UNMANAGED,
G_CALLBACK (connection_unmanaged_changed), self);
}
/* watch changes of ifcfg hardlinks */
g_signal_connect (G_OBJECT (connection), "ifcfg-changed",
G_CALLBACK (connection_ifcfg_changed), self);
return connection;
}
static void
sc_network_changed_cb (NMInotifyHelper *ih,
struct inotify_event *evt,
const char *path,
gpointer user_data)
{
SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (user_data);
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
if (evt->wd != priv->sc_network_wd)
return;
hostname_maybe_changed (plugin);
}
static void
dispose (GObject *object)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (object);
if (priv->dhcp_monitor)
g_object_unref (priv->dhcp_monitor);
if (priv->hostname_monitor)
g_object_unref (priv->hostname_monitor);
g_free (priv->hostname);
G_OBJECT_CLASS (sc_plugin_ifcfg_parent_class)->dispose (object);
}
static NMIfcfgConnection *
find_by_path (SCPluginIfcfg *self, const char *path)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
GHashTableIter iter;
NMSettingsConnection *candidate = NULL;
g_return_val_if_fail (path != NULL, NULL);
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) &candidate)) {
if (g_strcmp0 (path, nm_settings_connection_get_filename (candidate)) == 0)
return NM_IFCFG_CONNECTION (candidate);
}
return NULL;
}
static void
dispose (GObject *object)
{
SCPluginIfcfg *plugin = SC_PLUGIN_IFCFG (object);
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
NMInotifyHelper *ih;
if (priv->bus) {
dbus_g_connection_unref (priv->bus);
priv->bus = NULL;
}
if (priv->ih_event_id) {
ih = nm_inotify_helper_get ();
g_signal_handler_disconnect (ih, priv->ih_event_id);
priv->ih_event_id = 0;
if (priv->sc_network_wd >= 0)
nm_inotify_helper_remove_watch (ih, priv->sc_network_wd);
}
if (priv->hostname_monitor) {
if (priv->hostname_monitor_id)
g_signal_handler_disconnect (priv->hostname_monitor, priv->hostname_monitor_id);
g_file_monitor_cancel (priv->hostname_monitor);
g_object_unref (priv->hostname_monitor);
}
g_free (priv->hostname);
if (priv->connections) {
g_hash_table_destroy (priv->connections);
priv->connections = NULL;
}
if (priv->ifcfg_monitor) {
if (priv->ifcfg_monitor_id)
g_signal_handler_disconnect (priv->ifcfg_monitor, priv->ifcfg_monitor_id);
g_file_monitor_cancel (priv->ifcfg_monitor);
g_object_unref (priv->ifcfg_monitor);
}
G_OBJECT_CLASS (sc_plugin_ifcfg_parent_class)->dispose (object);
}
static void
plugin_set_hostname (SCPluginIfcfg *plugin, const char *hostname)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
GIOChannel *channel;
channel = g_io_channel_new_file (HOSTNAME_FILE, "w", NULL);
if (channel) {
g_io_channel_write_chars (channel, hostname, -1, NULL, NULL);
g_io_channel_write_chars (channel, "\n", -1, NULL, NULL);
g_io_channel_shutdown (channel, TRUE, NULL);
g_io_channel_unref (channel);
}
g_free (priv->hostname);
priv->hostname = g_strdup (hostname);
}
static void
setup_ifcfg_monitoring (SCPluginIfcfg *plugin)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
GFile *file;
GFileMonitor *monitor;
file = g_file_new_for_path (IFCFG_DIR "/");
monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
g_object_unref (file);
if (monitor) {
priv->ifcfg_monitor_id = g_signal_connect (monitor, "changed",
G_CALLBACK (ifcfg_dir_changed), plugin);
priv->ifcfg_monitor = monitor;
}
}
G_MODULE_EXPORT GObject *
nm_system_config_factory (void)
{
static SCPluginIfcfg *singleton = NULL;
SCPluginIfcfgPrivate *priv;
if (!singleton) {
singleton = SC_PLUGIN_IFCFG (g_object_new (SC_TYPE_PLUGIN_IFCFG, NULL));
priv = SC_PLUGIN_IFCFG_GET_PRIVATE (singleton);
if (priv->bus)
dbus_g_connection_register_g_object (priv->bus,
DBUS_OBJECT_PATH,
G_OBJECT (singleton));
_LOGD ("Acquired D-Bus service %s", DBUS_SERVICE_NAME);
} else
g_object_ref (singleton);
return G_OBJECT (singleton);
}
static void
connection_ifcfg_changed (NMIfcfgConnection *connection, gpointer user_data)
{
SCPluginIfcfg *self = SC_PLUGIN_IFCFG (user_data);
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
const char *path;
path = nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection));
g_return_if_fail (path != NULL);
if (!priv->ifcfg_monitor) {
_LOGD ("connection_ifcfg_changed("NM_IFCFG_CONNECTION_LOG_FMTD"): %s", NM_IFCFG_CONNECTION_LOG_ARGD (connection), "ignore event");
return;
}
_LOGD ("connection_ifcfg_changed("NM_IFCFG_CONNECTION_LOG_FMTD"): %s", NM_IFCFG_CONNECTION_LOG_ARGD (connection), "reload");
update_connection (self, NULL, path, connection, TRUE, NULL, NULL);
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
case NM_SYSTEM_CONFIG_INTERFACE_PROP_NAME:
g_value_set_string (value, IFCFG_PLUGIN_NAME);
break;
case NM_SYSTEM_CONFIG_INTERFACE_PROP_INFO:
g_value_set_string (value, IFCFG_PLUGIN_INFO);
break;
case NM_SYSTEM_CONFIG_INTERFACE_PROP_CAPABILITIES:
g_value_set_uint (value, NM_SYSTEM_CONFIG_INTERFACE_CAP_MODIFY_HOSTNAME);
break;
case NM_SYSTEM_CONFIG_INTERFACE_PROP_HOSTNAME:
g_value_set_string (value, SC_PLUGIN_IFCFG_GET_PRIVATE (object)->hostname);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
remove_connection (SCPluginIfcfg *self, NMIfcfgConnection *connection)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
gboolean managed = FALSE;
const char *path;
g_return_if_fail (self != NULL);
g_return_if_fail (connection != NULL);
managed = !nm_ifcfg_connection_get_unmanaged_spec (connection);
path = nm_ifcfg_connection_get_path (connection);
g_object_ref (connection);
g_hash_table_remove (priv->connections, path);
nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (connection));
g_object_unref (connection);
/* Emit unmanaged changes _after_ removing the connection */
if (managed == FALSE)
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
}
static void
sc_plugin_ifcfg_init (SCPluginIfcfg *plugin)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
NMInotifyHelper *ih;
GError *error = NULL;
gboolean success = FALSE;
GFile *file;
GFileMonitor *monitor;
priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
/* We watch SC_NETWORK_FILE via NMInotifyHelper (which doesn't track file creation but
* *does* track modifications made via other hard links), since we expect it to always
* exist. But we watch HOSTNAME_FILE via GFileMonitor (which has the opposite
* semantics), since /etc/hostname might not exist, but is unlikely to have hard
* links. bgo 532815 is the bug for being able to just use GFileMonitor for both.
*/
ih = nm_inotify_helper_get ();
priv->ih_event_id = g_signal_connect (ih, "event", G_CALLBACK (sc_network_changed_cb), plugin);
priv->sc_network_wd = nm_inotify_helper_add_watch (ih, SC_NETWORK_FILE);
file = g_file_new_for_path (HOSTNAME_FILE);
monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, NULL);
g_object_unref (file);
if (monitor) {
priv->hostname_monitor_id =
g_signal_connect (monitor, "changed", G_CALLBACK (hostname_changed_cb), plugin);
priv->hostname_monitor = monitor;
}
priv->hostname = plugin_get_hostname (plugin);
priv->bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
if (!priv->bus) {
_LOGW ("Couldn't connect to D-Bus: %s", error->message);
g_clear_error (&error);
} else {
DBusConnection *tmp;
DBusGProxy *proxy;
int result;
tmp = dbus_g_connection_get_connection (priv->bus);
dbus_connection_set_exit_on_disconnect (tmp, FALSE);
proxy = dbus_g_proxy_new_for_name (priv->bus,
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (proxy, "RequestName", &error,
G_TYPE_STRING, DBUS_SERVICE_NAME,
G_TYPE_UINT, DBUS_NAME_FLAG_DO_NOT_QUEUE,
G_TYPE_INVALID,
G_TYPE_UINT, &result,
G_TYPE_INVALID)) {
_LOGW ("Couldn't acquire D-Bus service: %s", error->message);
g_clear_error (&error);
} else if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
_LOGW ("Couldn't acquire ifcfgrh1 D-Bus service (already taken)");
} else
success = TRUE;
}
if (!success) {
if (priv->bus) {
dbus_g_connection_unref (priv->bus);
priv->bus = NULL;
}
}
}
static gboolean
plugin_set_hostname (SCPluginIfcfg *plugin, const char *hostname)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
shvarFile *network;
char *hostname_eol;
gboolean ret;
#if HAVE_SELINUX
security_context_t se_ctx_prev = NULL, se_ctx = NULL;
struct stat file_stat = { .st_mode = 0 };
mode_t st_mode = 0;
/* Get default context for HOSTNAME_FILE and set it for fscreate */
if (stat (HOSTNAME_FILE, &file_stat) == 0)
st_mode = file_stat.st_mode;
matchpathcon (HOSTNAME_FILE, st_mode, &se_ctx);
matchpathcon_fini ();
getfscreatecon (&se_ctx_prev);
setfscreatecon (se_ctx);
#endif
hostname_eol = g_strdup_printf ("%s\n", hostname);
ret = g_file_set_contents (HOSTNAME_FILE, hostname_eol, -1, NULL);
#if HAVE_SELINUX
/* Restore previous context and cleanup */
setfscreatecon (se_ctx_prev);
freecon (se_ctx);
freecon (se_ctx_prev);
#endif
if (!ret) {
_LOGW ("Could not save hostname: failed to create/open " HOSTNAME_FILE);
g_free (hostname_eol);
return FALSE;
}
g_free (priv->hostname);
priv->hostname = g_strdup (hostname);
g_free (hostname_eol);
/* Remove "HOSTNAME" from SC_NETWORK_FILE, if present */
network = svOpenFile (SC_NETWORK_FILE, NULL);
if (network) {
svSetValue (network, "HOSTNAME", NULL, FALSE);
svWriteFile (network, 0644, NULL);
svCloseFile (network);
}
return TRUE;
}
static void
hostname_maybe_changed (SCPluginIfcfg *plugin)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
char *new_hostname;
new_hostname = plugin_get_hostname (plugin);
if ( (new_hostname && !priv->hostname)
|| (!new_hostname && priv->hostname)
|| (priv->hostname && new_hostname && strcmp (priv->hostname, new_hostname))) {
g_free (priv->hostname);
priv->hostname = new_hostname;
g_object_notify (G_OBJECT (plugin), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
} else
g_free (new_hostname);
}
static void
connection_removed_cb (NMSettingsConnection *obj, gpointer user_data)
{
g_hash_table_remove (SC_PLUGIN_IFCFG_GET_PRIVATE (user_data)->connections,
nm_connection_get_uuid (NM_CONNECTION (obj)));
}
static void
read_connections (SCPluginIfcfg *plugin)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (plugin);
GDir *dir;
GError *err = NULL;
const char *item;
GHashTable *alive_connections;
GHashTableIter iter;
NMIfcfgConnection *connection;
GPtrArray *dead_connections = NULL;
guint i;
GPtrArray *filenames;
GHashTable *paths;
dir = g_dir_open (IFCFG_DIR, 0, &err);
if (!dir) {
_LOGW ("Could not read directory '%s': %s", IFCFG_DIR, err->message);
g_error_free (err);
return;
}
alive_connections = g_hash_table_new (NULL, NULL);
filenames = g_ptr_array_new_with_free_func (g_free);
while ((item = g_dir_read_name (dir))) {
char *full_path;
if (utils_should_ignore_file (item, TRUE))
continue;
if (utils_is_ifcfg_alias_file (item, NULL))
continue;
full_path = g_build_filename (IFCFG_DIR, item, NULL);
if (!utils_get_ifcfg_name (full_path, TRUE))
g_free (full_path);
else
g_ptr_array_add (filenames, full_path);
}
g_dir_close (dir);
/* While reloading, we don't replace connections that we already loaded while
* iterating over the files.
*
* To have sensible, reproducible behavior, sort the paths by last modification
* time prefering older files.
*/
paths = _paths_from_connections (priv->connections);
g_ptr_array_sort_with_data (filenames, (GCompareDataFunc) _sort_paths, paths);
g_hash_table_destroy (paths);
for (i = 0; i < filenames->len; i++) {
connection = update_connection (plugin, NULL, filenames->pdata[i], NULL, FALSE, alive_connections, NULL);
if (connection)
g_hash_table_add (alive_connections, connection);
}
g_ptr_array_free (filenames, TRUE);
g_hash_table_iter_init (&iter, priv->connections);
while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &connection)) {
if ( !g_hash_table_contains (alive_connections, connection)
&& nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection))) {
if (!dead_connections)
dead_connections = g_ptr_array_new ();
g_ptr_array_add (dead_connections, connection);
}
}
g_hash_table_destroy (alive_connections);
if (dead_connections) {
for (i = 0; i < dead_connections->len; i++)
remove_connection (plugin, dead_connections->pdata[i]);
g_ptr_array_free (dead_connections, TRUE);
}
}
static NMIfcfgConnection *
update_connection (SCPluginIfcfg *self,
NMConnection *source,
const char *full_path,
NMIfcfgConnection *connection,
gboolean protect_existing_connection,
GHashTable *protected_connections,
GError **error)
{
SCPluginIfcfgPrivate *priv = SC_PLUGIN_IFCFG_GET_PRIVATE (self);
NMIfcfgConnection *connection_new;
NMIfcfgConnection *connection_by_uuid;
GError *local = NULL;
const char *new_unmanaged = NULL, *old_unmanaged = NULL;
const char *new_unrecognized = NULL, *old_unrecognized = NULL;
gboolean unmanaged_changed = FALSE, unrecognized_changed = FALSE;
const char *uuid;
g_return_val_if_fail (!source || NM_IS_CONNECTION (source), NULL);
g_return_val_if_fail (full_path || source, NULL);
if (full_path)
_LOGD ("loading from file \"%s\"...", full_path);
/* Create a NMIfcfgConnection instance, either by reading from @full_path or
* based on @source. */
connection_new = nm_ifcfg_connection_new (source, full_path, error);
if (!connection_new) {
/* Unexpected failure. Probably the file is invalid? */
if ( connection
&& !protect_existing_connection
&& (!protected_connections || !g_hash_table_contains (protected_connections, connection)))
remove_connection (self, connection);
return NULL;
}
uuid = nm_connection_get_uuid (NM_CONNECTION (connection_new));
connection_by_uuid = g_hash_table_lookup (priv->connections, uuid);
if ( connection
&& connection != connection_by_uuid) {
if ( (protect_existing_connection && connection_by_uuid != NULL)
|| (protected_connections && g_hash_table_contains (protected_connections, connection))) {
NMIfcfgConnection *conflicting = (protect_existing_connection && connection_by_uuid != NULL) ? connection_by_uuid : connection;
if (source)
_LOGW ("cannot update protected connection "NM_IFCFG_CONNECTION_LOG_FMT" due to conflicting UUID %s", NM_IFCFG_CONNECTION_LOG_ARG (conflicting), uuid);
else
_LOGW ("cannot load %s due to conflicting UUID for "NM_IFCFG_CONNECTION_LOG_FMT, full_path, NM_IFCFG_CONNECTION_LOG_ARG (conflicting));
g_object_unref (connection_new);
g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
"Cannot update protected connection due to conflicting UUID");
return NULL;
}
/* The new connection has a different UUID then the original one that we
* are about to update. Remove @connection. */
remove_connection (self, connection);
}
/* Check if the found connection with the same UUID is not protected from updating. */
if ( connection_by_uuid
&& ( (!connection && protect_existing_connection)
|| (protected_connections && g_hash_table_contains (protected_connections, connection_by_uuid)))) {
if (source)
_LOGW ("cannot update connection due to conflicting UUID for "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection_by_uuid));
else
_LOGW ("cannot load %s due to conflicting UUID for "NM_IFCFG_CONNECTION_LOG_FMT, full_path, NM_IFCFG_CONNECTION_LOG_ARG (connection_by_uuid));
g_object_unref (connection_new);
g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
"Skip updating protected connection during reload");
return NULL;
}
/* Evaluate unmanaged/unrecognized flags. */
if (connection_by_uuid)
old_unmanaged = nm_ifcfg_connection_get_unmanaged_spec (connection_by_uuid);
new_unmanaged = nm_ifcfg_connection_get_unmanaged_spec (connection_new);
unmanaged_changed = g_strcmp0 (old_unmanaged, new_unmanaged);
if (connection_by_uuid)
old_unrecognized = nm_ifcfg_connection_get_unrecognized_spec (connection_by_uuid);
new_unrecognized = nm_ifcfg_connection_get_unrecognized_spec (connection_new);
unrecognized_changed = g_strcmp0 (old_unrecognized, new_unrecognized);
if (connection_by_uuid) {
const char *old_path;
old_path = nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection_by_uuid));
if ( !unmanaged_changed
&& !unrecognized_changed
&& nm_connection_compare (NM_CONNECTION (connection_by_uuid),
NM_CONNECTION (connection_new),
NM_SETTING_COMPARE_FLAG_IGNORE_AGENT_OWNED_SECRETS |
NM_SETTING_COMPARE_FLAG_IGNORE_NOT_SAVED_SECRETS)) {
if (old_path && g_strcmp0 (old_path, full_path) != 0)
_LOGI ("rename \"%s\" to "NM_IFCFG_CONNECTION_LOG_FMT" without other changes", nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection_by_uuid)), NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
} else {
/*******************************************************
* UPDATE
*******************************************************/
if (source)
_LOGI ("update "NM_IFCFG_CONNECTION_LOG_FMT" from %s", NM_IFCFG_CONNECTION_LOG_ARG (connection_new), NM_IFCFG_CONNECTION_LOG_PATH (old_path));
else if (!g_strcmp0 (old_path, nm_settings_connection_get_filename (NM_SETTINGS_CONNECTION (connection_new))))
_LOGI ("update "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
else if (old_path)
_LOGI ("rename \"%s\" to "NM_IFCFG_CONNECTION_LOG_FMT, old_path, NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
else
_LOGI ("update and persist "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
g_object_set (connection_by_uuid,
NM_IFCFG_CONNECTION_UNMANAGED_SPEC, new_unmanaged,
NM_IFCFG_CONNECTION_UNRECOGNIZED_SPEC, new_unrecognized,
NULL);
if (!nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (connection_by_uuid),
NM_CONNECTION (connection_new),
FALSE, /* don't set Unsaved */
"ifcfg-update",
&local)) {
/* Shouldn't ever get here as 'connection_new' was verified by the reader already
* and the UUID did not change. */
g_assert_not_reached ();
}
g_assert_no_error (local);
if (new_unmanaged || new_unrecognized) {
if (!old_unmanaged && !old_unrecognized) {
g_object_ref (connection_by_uuid);
/* Unexport the connection by telling the settings service it's
* been removed.
*/
nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (connection_by_uuid));
/* Remove the path so that claim_connection() doesn't complain later when
* interface gets managed and connection is re-added. */
nm_connection_set_path (NM_CONNECTION (connection_by_uuid), NULL);
/* signal_remove() will end up removing the connection from our hash,
* so add it back now.
*/
g_hash_table_insert (priv->connections,
g_strdup (nm_connection_get_uuid (NM_CONNECTION (connection_by_uuid))),
connection_by_uuid);
}
} else {
if (old_unmanaged /* && !new_unmanaged */) {
_LOGI ("Managing connection "NM_IFCFG_CONNECTION_LOG_FMT" and its device because NM_CONTROLLED was true.",
NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection_by_uuid);
} else if (old_unrecognized /* && !new_unrecognized */) {
_LOGI ("Managing connection "NM_IFCFG_CONNECTION_LOG_FMT" because it is now a recognized type.",
NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection_by_uuid);
}
}
if (unmanaged_changed)
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
if (unrecognized_changed)
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNRECOGNIZED_SPECS_CHANGED);
}
nm_settings_connection_set_filename (NM_SETTINGS_CONNECTION (connection_by_uuid), full_path);
g_object_unref (connection_new);
return connection_by_uuid;
} else {
/*******************************************************
* ADD
*******************************************************/
if (source)
_LOGI ("add connection "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
else
_LOGI ("new connection "NM_IFCFG_CONNECTION_LOG_FMT, NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
g_hash_table_insert (priv->connections, g_strdup (uuid), connection_new);
g_signal_connect (connection_new, NM_SETTINGS_CONNECTION_REMOVED,
G_CALLBACK (connection_removed_cb),
self);
if (nm_ifcfg_connection_get_unmanaged_spec (connection_new)) {
const char *spec;
const char *device_id;
spec = nm_ifcfg_connection_get_unmanaged_spec (connection_new);
device_id = strchr (spec, ':');
if (device_id)
device_id++;
else
device_id = spec;
_LOGW ("Ignoring connection "NM_IFCFG_CONNECTION_LOG_FMT" / device '%s' due to NM_CONTROLLED=no.",
NM_IFCFG_CONNECTION_LOG_ARG (connection_new), device_id);
} else if (nm_ifcfg_connection_get_unrecognized_spec (connection_new))
_LOGW ("Ignoring connection "NM_IFCFG_CONNECTION_LOG_FMT" of unrecognized type.", NM_IFCFG_CONNECTION_LOG_ARG (connection_new));
/* watch changes of ifcfg hardlinks */
g_signal_connect (G_OBJECT (connection_new), "ifcfg-changed",
G_CALLBACK (connection_ifcfg_changed), self);
if (!source) {
/* Only raise the signal if we were called without source, i.e. if we read the connection from file.
* Otherwise, we were called by add_connection() which does not expect the signal. */
if (nm_ifcfg_connection_get_unmanaged_spec (connection_new))
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
else if (nm_ifcfg_connection_get_unrecognized_spec (connection_new))
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNRECOGNIZED_SPECS_CHANGED);
else
g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, connection_new);
}
return connection_new;
}
}
