static gboolean
udev_read_cb (GIOChannel *source,
GIOCondition condition,
gpointer user_data)
{
OdccmDeviceManagerPrivate *priv = ODCCM_DEVICE_MANAGER_GET_PRIVATE (user_data);
#define UEVENT_BUFFER_SIZE 2048
gchar buf[UEVENT_BUFFER_SIZE*2];
GIOStatus status;
GError *error = NULL;
guint buflen = 0;
size_t bufpos;
gboolean is_net = FALSE, is_ppp = FALSE, added = FALSE;
gchar iface[10];
gchar udi[UEVENT_BUFFER_SIZE];
status = g_io_channel_read_chars(priv->udev_chann, &buf, sizeof(buf), &buflen, &error);
if (status != G_IO_STATUS_NORMAL) {
g_warning("%s: error reading event: %s",G_STRFUNC,error->message);
g_error_free(error);
error = NULL;
}
bufpos = strlen(buf) + 1;
while (bufpos < (size_t)buflen) {
int keylen;
char *key;
char *tmpptr;
key = &buf[bufpos];
keylen = strlen(key);
if (keylen == 0) break;
if (strncmp("SUBSYSTEM=net",key,13)==0) is_net = TRUE;
if (strncmp("INTERFACE=ppp",key,13)==0){
is_ppp = TRUE;
tmpptr = strchr(key,'=');
strncpy(iface,tmpptr+1,10);
}
if (strncmp("ACTION=remove",key,13)==0) added = FALSE;
if (strncmp("ACTION=add",key,13)==0) added = TRUE;
if (strncmp("DEVPATH",key,7)==0) {
tmpptr = strchr(key,'=');
strncpy(udi,tmpptr+1,UEVENT_BUFFER_SIZE);
}
bufpos += keylen + 1;
}
if (is_net == TRUE && is_ppp == TRUE) {
if (added == TRUE) {
udev_device_added(user_data,iface,udi);
} else {
udev_device_removed(user_data,iface,udi);
}
}
return TRUE;
}
static void
handle_uevent (GUdevClient *client,
const char *action,
GUdevDevice *device,
gpointer user_data)
{
SCPluginIfupdown *self = SC_PLUGIN_IFUPDOWN (user_data);
const char *subsys;
g_return_if_fail (action != NULL);
/* A bit paranoid */
subsys = g_udev_device_get_subsystem (device);
g_return_if_fail (subsys != NULL);
g_return_if_fail (strcmp (subsys, "net") == 0);
if (!strcmp (action, "add"))
udev_device_added (self, device);
else if (!strcmp (action, "remove"))
udev_device_removed (self, device);
}
static void
init (NMSettingsPlugin *config)
{
SettingsPluginIfupdown *self = SETTINGS_PLUGIN_IFUPDOWN (config);
SettingsPluginIfupdownPrivate *priv = SETTINGS_PLUGIN_IFUPDOWN_GET_PRIVATE (self);
GHashTable *auto_ifaces;
if_block *block = NULL;
GList *keys, *iter;
GHashTableIter con_iter;
const char *block_name;
NMIfupdownConnection *connection;
const char *subsys[2] = { "net", NULL };
auto_ifaces = g_hash_table_new (g_str_hash, g_str_equal);
if(!priv->connections)
priv->connections = g_hash_table_new (g_str_hash, g_str_equal);
if(!priv->kernel_ifaces)
priv->kernel_ifaces = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
if(!priv->eni_ifaces)
priv->eni_ifaces = g_hash_table_new (g_str_hash, g_str_equal);
nm_log_info (LOGD_SETTINGS, "init!");
priv->client = g_udev_client_new (subsys);
if (!priv->client) {
nm_log_warn (LOGD_SETTINGS, " error initializing libgudev");
} else
g_signal_connect (priv->client, "uevent", G_CALLBACK (handle_uevent), self);
/* 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;
nm_log_info (LOGD_SETTINGS, "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) {
nm_log_info (LOGD_SETTINGS, "adding bridge port %s to eni_ifaces", token);
g_hash_table_insert (priv->eni_ifaces, 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->connections, block->name);
if (exported) {
nm_log_info (LOGD_SETTINGS, "deleting %s from connections", block->name);
nm_settings_connection_delete (NM_SETTINGS_CONNECTION (exported), NULL, NULL);
g_hash_table_remove (priv->connections, block->name);
}
/* add the new connection */
exported = nm_ifupdown_connection_new (block);
if (exported) {
nm_log_info (LOGD_SETTINGS, "adding %s to connections", block->name);
g_hash_table_insert (priv->connections, block->name, exported);
}
nm_log_info (LOGD_SETTINGS, "adding iface %s to eni_ifaces", block->name);
g_hash_table_insert (priv->eni_ifaces, block->name, "known");
} else if (!strcmp ("mapping", block->type)) {
g_hash_table_insert (priv->eni_ifaces, block->name, "known");
nm_log_info (LOGD_SETTINGS, "adding mapping %s to eni_ifaces", block->name);
}
next:
block = block->next;
}
/* Make 'auto' interfaces autoconnect=TRUE */
g_hash_table_iter_init (&con_iter, priv->connections);
while (g_hash_table_iter_next (&con_iter, (gpointer) &block_name, (gpointer) &connection)) {
NMSettingConnection *setting;
if (g_hash_table_lookup (auto_ifaces, block_name)) {
setting = nm_connection_get_setting_connection (NM_CONNECTION (connection));
g_object_set (setting, NM_SETTING_CONNECTION_AUTOCONNECT, TRUE, NULL);
nm_log_info (LOGD_SETTINGS, "autoconnect");
}
}
g_hash_table_destroy (auto_ifaces);
/* Check the config file to find out whether to manage interfaces */
priv->unmanage_well_known = !nm_config_data_get_value_boolean (NM_CONFIG_GET_DATA_ORIG,
NM_CONFIG_KEYFILE_GROUP_IFUPDOWN,
NM_CONFIG_KEYFILE_KEY_IFUPDOWN_MANAGED,
!IFUPDOWN_UNMANAGE_WELL_KNOWN_DEFAULT);
nm_log_info (LOGD_SETTINGS, "management mode: %s", priv->unmanage_well_known ? "unmanaged" : "managed");
/* 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->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_SETTINGS_PLUGIN_CONNECTION_ADDED,
NM_SETTINGS_CONNECTION (cl_iter->data));
}
g_list_free (con_list);
}
nm_log_info (LOGD_SETTINGS, "end _init.");
}
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.");
}
