/*
* Return a list of device specifications which NetworkManager should not
* manage. Returned list will be freed by the system settings service, and
* each element must be allocated using g_malloc() or its variants.
*/
static GSList*
SCPluginIfupdown_get_unmanaged_specs (NMSystemConfigInterface *config)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (config);
GSList *specs = NULL;
GHashTableIter iter;
gpointer value;
if (!ALWAYS_UNMANAGE && !priv->unmanage_well_known)
return NULL;
PLUGIN_PRINT("Ifupdown", "get unmanaged devices count: %d",
g_hash_table_size (priv->well_known_ifaces));
g_hash_table_iter_init (&iter, priv->well_known_ifaces);
while (g_hash_table_iter_next (&iter, NULL, &value)) {
GUdevDevice *device = G_UDEV_DEVICE (value);
const char *address;
address = g_udev_device_get_sysfs_attr (device, "address");
if (address)
specs = g_slist_append (specs, g_strdup_printf ("mac:%s", address));
}
return specs;
}
static void
udev_device_added (SCPluginIfupdown *self, GUdevDevice *device)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (self);
const char *iface, *path;
NMIfupdownConnection *exported;
iface = g_udev_device_get_name (device);
path = g_udev_device_get_sysfs_path (device);
if (!iface || !path)
return;
PLUGIN_PRINT("SCPlugin-Ifupdown",
"devices added (path: %s, iface: %s)", path, iface);
/* if we have a configured connection for this particular iface
* we want to either unmanage the device or lock it
*/
exported = (NMIfupdownConnection *) g_hash_table_lookup (priv->iface_connections, iface);
if (!exported && !g_hash_table_lookup (priv->well_known_interfaces, iface)) {
PLUGIN_PRINT("SCPlugin-Ifupdown",
"device added (path: %s, iface: %s): no ifupdown configuration found.", path, iface);
return;
}
g_hash_table_insert (priv->well_known_ifaces, g_strdup (iface), g_object_ref (device));
if (exported)
bind_device_to_connection (self, device, exported);
if (ALWAYS_UNMANAGE || priv->unmanage_well_known)
g_signal_emit_by_name (G_OBJECT (self), NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
}
G_MODULE_EXPORT GObject *
nm_system_config_factory (void)
{
static SCPluginIfupdown *singleton = NULL;
SCPluginIfupdownPrivate *priv;
if (!singleton) {
singleton = SC_PLUGIN_IFUPDOWN (g_object_new (SC_TYPE_PLUGIN_IFUPDOWN, NULL));
priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (singleton);
} else
g_object_ref (singleton);
return G_OBJECT (singleton);
}
static void
udev_device_changed (SCPluginIfupdown *self, GUdevDevice *device)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (self);
const char *iface, *path;
iface = g_udev_device_get_name (device);
path = g_udev_device_get_sysfs_path (device);
if (!iface || !path)
return;
PLUGIN_PRINT("SCPlugin-Ifupdown", "device changed (path: %s, iface: %s)", path, iface);
if (!g_hash_table_lookup (priv->kernel_ifaces, iface))
return;
if (ALWAYS_UNMANAGE || priv->unmanage_well_known)
g_signal_emit_by_name (G_OBJECT (self), NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
}
static void
write_system_hostname(NMSystemConfigInterface *config,
const char *newhostname)
{
GError *error = NULL;
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (config);
PLUGIN_PRINT ("SCPlugin-Ifupdown", "write_system_hostname: %s", newhostname);
g_return_if_fail (newhostname);
if(!g_file_set_contents ( IFUPDOWN_SYSTEM_HOSTNAME_FILE,
newhostname,
-1,
&error)) {
nm_log_warn (LOGD_SETTINGS, "update_system_hostname() - couldn't write hostname (%s) to "
IFUPDOWN_SYSTEM_HOSTNAME_FILE " (%d/%s)",
newhostname, error->code, error->message);
} else {
priv->hostname = g_strdup (newhostname);
}
g_object_notify (G_OBJECT (config), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
}
/* Returns the plugins currently known list of connections. The returned
* list is freed by the system settings service.
*/
static GSList*
SCPluginIfupdown_get_connections (NMSystemConfigInterface *config)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (config);
GSList *connections = NULL;
GHashTableIter iter;
gpointer value;
PLUGIN_PRINT("SCPlugin-Ifupdown", "(%d) ... get_connections.", GPOINTER_TO_UINT(config));
if(priv->unmanage_well_known) {
PLUGIN_PRINT("SCPlugin-Ifupdown", "(%d) ... get_connections (managed=false): return empty list.", GPOINTER_TO_UINT(config));
return NULL;
}
g_hash_table_iter_init (&iter, priv->iface_connections);
while (g_hash_table_iter_next (&iter, NULL, &value))
connections = g_slist_prepend (connections, value);
PLUGIN_PRINT("SCPlugin-Ifupdown", "(%d) connections count: %d", GPOINTER_TO_UINT(config), g_slist_length(connections));
return connections;
}
static void
GObject__dispose (GObject *object)
{
SCPluginIfupdown *plugin = SC_PLUGIN_IFUPDOWN (object);
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (plugin);
NMInotifyHelper *inotify_helper = nm_inotify_helper_get ();
g_signal_handler_disconnect (inotify_helper, priv->inotify_event_id);
if (priv->inotify_system_hostname_wd >= 0)
nm_inotify_helper_remove_watch (inotify_helper, priv->inotify_system_hostname_wd);
if (priv->well_known_ifaces)
g_hash_table_destroy(priv->well_known_ifaces);
if (priv->well_known_interfaces)
g_hash_table_destroy(priv->well_known_interfaces);
if (priv->client)
g_object_unref (priv->client);
G_OBJECT_CLASS (sc_plugin_ifupdown_parent_class)->dispose (object);
}
static void
update_system_hostname(NMInotifyHelper *inotify_helper,
struct inotify_event *evt,
const char *path,
NMSystemConfigInterface *config)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (config);
gchar *hostname_file = NULL;
gsize hostname_file_len = 0;
GError *error = NULL;
PLUGIN_PRINT ("SCPlugin-Ifupdown", "update_system_hostname");
if (evt && evt->wd != priv->inotify_system_hostname_wd)
return;
if(!g_file_get_contents ( IFUPDOWN_SYSTEM_HOSTNAME_FILE,
&hostname_file,
&hostname_file_len,
&error)) {
nm_log_warn (LOGD_SETTINGS, "update_system_hostname() - couldn't read "
IFUPDOWN_SYSTEM_HOSTNAME_FILE " (%d/%s)",
error->code, error->message);
return;
}
g_free(priv->hostname);
priv->hostname = g_strstrip(hostname_file);
/* We shouldn't return a zero-length hostname, but NULL */
if (priv->hostname && !strlen (priv->hostname)) {
g_free (priv->hostname);
priv->hostname = NULL;
}
g_object_notify (G_OBJECT (config), NM_SYSTEM_CONFIG_INTERFACE_HOSTNAME);
}
static const char *
get_hostname (NMSystemConfigInterface *config)
{
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (config);
return priv->hostname;
}
static void
SCPluginIfupdown_init (NMSystemConfigInterface *config)
{
SCPluginIfupdown *self = SC_PLUGIN_IFUPDOWN (config);
SCPluginIfupdownPrivate *priv = SC_PLUGIN_IFUPDOWN_GET_PRIVATE (self);
GHashTable *auto_ifaces;
if_block *block = NULL;
NMInotifyHelper *inotify_helper;
GKeyFile* keyfile;
GError *error = NULL;
GList *keys, *iter;
const char *subsys[2] = { "net", NULL };
auto_ifaces = g_hash_table_new (g_str_hash, g_str_equal);
if(!priv->iface_connections)
priv->iface_connections = g_hash_table_new (g_str_hash, g_str_equal);
if(!priv->well_known_ifaces)
priv->well_known_ifaces = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
if(!priv->well_known_interfaces)
priv->well_known_interfaces = g_hash_table_new (g_str_hash, g_str_equal);
PLUGIN_PRINT("SCPlugin-Ifupdown", "init!");
priv->client = g_udev_client_new (subsys);
if (!priv->client) {
PLUGIN_WARN ("SCPlugin-Ifupdown", " error initializing libgudev");
} else
g_signal_connect (priv->client, "uevent", G_CALLBACK (handle_uevent), self);
priv->unmanage_well_known = IFUPDOWN_UNMANAGE_WELL_KNOWN_DEFAULT;
inotify_helper = nm_inotify_helper_get ();
priv->inotify_event_id = g_signal_connect (inotify_helper,
"event",
G_CALLBACK (update_system_hostname),
config);
priv->inotify_system_hostname_wd =
nm_inotify_helper_add_watch (inotify_helper, IFUPDOWN_SYSTEM_HOSTNAME_FILE);
update_system_hostname (inotify_helper, NULL, NULL, config);
/* Read in all the interfaces */
ifparser_init (ENI_INTERFACES_FILE, 0);
block = ifparser_getfirst ();
while (block) {
if(!strcmp ("auto", block->type) || !strcmp ("allow-hotplug", block->type))
g_hash_table_insert (auto_ifaces, block->name, GUINT_TO_POINTER (1));
else if (!strcmp ("iface", block->type)) {
NMIfupdownConnection *exported;
/* Bridge configuration */
if(!strncmp ("br", block->name, 2)) {
/* Try to find bridge ports */
const char *ports = ifparser_getkey (block, "bridge-ports");
if (ports) {
int i;
int state = 0;
char **port_ifaces;
PLUGIN_PRINT("SCPlugin-Ifupdown", "found bridge ports %s for %s", ports, block->name);
port_ifaces = g_strsplit_set (ports, " \t", -1);
for (i = 0; i < g_strv_length (port_ifaces); i++) {
char *token = port_ifaces[i];
/* Skip crazy stuff like regex or all */
if (!strcmp ("all", token)) {
continue;
}
/* Small SM to skip everything inside regex */
if (!strcmp ("regex", token)) {
state++;
continue;
}
if (!strcmp ("noregex", token)) {
state--;
continue;
}
if (state == 0 && strlen (token) > 0) {
PLUGIN_PRINT("SCPlugin-Ifupdown", "adding bridge port %s to well_known_interfaces", token);
g_hash_table_insert (priv->well_known_interfaces, g_strdup (token), "known");
}
}
g_strfreev (port_ifaces);
}
goto next;
}
/* Skip loopback configuration */
if(!strcmp ("lo", block->name)) {
goto next;
}
/* Remove any connection for this block that was previously found */
exported = g_hash_table_lookup (priv->iface_connections, block->name);
if (exported) {
PLUGIN_PRINT("SCPlugin-Ifupdown", "deleting %s from iface_connections", block->name);
nm_settings_connection_delete (NM_SETTINGS_CONNECTION (exported), ignore_cb, NULL);
g_hash_table_remove (priv->iface_connections, block->name);
}
/* add the new connection */
exported = nm_ifupdown_connection_new (block);
if (exported) {
PLUGIN_PRINT("SCPlugin-Ifupdown", "adding %s to iface_connections", block->name);
g_hash_table_insert (priv->iface_connections, block->name, exported);
}
PLUGIN_PRINT("SCPlugin-Ifupdown", "adding iface %s to well_known_interfaces", block->name);
g_hash_table_insert (priv->well_known_interfaces, block->name, "known");
} else if (!strcmp ("mapping", block->type)) {
g_hash_table_insert (priv->well_known_interfaces, block->name, "known");
PLUGIN_PRINT("SCPlugin-Ifupdown", "adding mapping %s to well_known_interfaces", block->name);
}
next:
block = block->next;
}
/* Make 'auto' interfaces autoconnect=TRUE */
keys = g_hash_table_get_keys (priv->iface_connections);
for (iter = keys; iter; iter = g_list_next (iter)) {
NMIfupdownConnection *exported;
NMSetting *setting;
if (!g_hash_table_lookup (auto_ifaces, iter->data))
continue;
exported = g_hash_table_lookup (priv->iface_connections, iter->data);
setting = NM_SETTING (nm_connection_get_setting (NM_CONNECTION (exported), NM_TYPE_SETTING_CONNECTION));
g_object_set (setting, NM_SETTING_CONNECTION_AUTOCONNECT, TRUE, NULL);
nm_settings_connection_commit_changes (NM_SETTINGS_CONNECTION (exported), ignore_cb, NULL);
PLUGIN_PRINT("SCPlugin-Ifupdown", "autoconnect");
}
g_list_free (keys);
g_hash_table_destroy (auto_ifaces);
/* Find the config file */
if (g_file_test (IFUPDOWN_SYSTEM_SETTINGS_KEY_FILE, G_FILE_TEST_EXISTS))
priv->conf_file = IFUPDOWN_SYSTEM_SETTINGS_KEY_FILE;
else
priv->conf_file = IFUPDOWN_OLD_SYSTEM_SETTINGS_KEY_FILE;
keyfile = g_key_file_new ();
if (!g_key_file_load_from_file (keyfile,
priv->conf_file,
G_KEY_FILE_NONE,
&error)) {
nm_log_info (LOGD_SETTINGS, "loading system config file (%s) caused error: (%d) %s",
priv->conf_file,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
} else {
gboolean manage_well_known;
error = NULL;
manage_well_known = g_key_file_get_boolean (keyfile,
IFUPDOWN_KEY_FILE_GROUP,
IFUPDOWN_KEY_FILE_KEY_MANAGED,
&error);
if (error) {
nm_log_info (LOGD_SETTINGS, "getting keyfile key '%s' in group '%s' failed: (%d) %s",
IFUPDOWN_KEY_FILE_GROUP,
IFUPDOWN_KEY_FILE_KEY_MANAGED,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
} else
priv->unmanage_well_known = !manage_well_known;
}
PLUGIN_PRINT ("SCPluginIfupdown", "management mode: %s", priv->unmanage_well_known ? "unmanaged" : "managed");
if (keyfile)
g_key_file_free (keyfile);
/* Add well-known interfaces */
keys = g_udev_client_query_by_subsystem (priv->client, "net");
for (iter = keys; iter; iter = g_list_next (iter)) {
udev_device_added (self, G_UDEV_DEVICE (iter->data));
g_object_unref (G_UDEV_DEVICE (iter->data));
}
g_list_free (keys);
/* Now if we're running in managed mode, let NM know there are new connections */
if (!priv->unmanage_well_known) {
GList *con_list = g_hash_table_get_values (priv->iface_connections);
GList *cl_iter;
for (cl_iter = con_list; cl_iter; cl_iter = g_list_next (cl_iter)) {
g_signal_emit_by_name (self,
NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED,
NM_SETTINGS_CONNECTION (cl_iter->data));
}
g_list_free (con_list);
}
PLUGIN_PRINT("SCPlugin-Ifupdown", "end _init.");
}
