NetworkManager/src/nm-device.c
2012-09-03 16:18:54 +02:00

5070 lines
152 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2005 - 2012 Red Hat, Inc.
* Copyright (C) 2006 - 2008 Novell, Inc.
*/
#include <config.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <dbus/dbus.h>
#include <netinet/in.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <linux/sockios.h>
#include <linux/ethtool.h>
#include <sys/ioctl.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <linux/if.h>
#include "nm-glib-compat.h"
#include "nm-device.h"
#include "nm-device-private.h"
#include "backends/nm-backend.h"
#include "NetworkManagerUtils.h"
#include "nm-system.h"
#include "nm-dhcp-manager.h"
#include "nm-dbus-manager.h"
#include "nm-utils.h"
#include "nm-logging.h"
#include "nm-netlink-monitor.h"
#include "nm-netlink-utils.h"
#include "nm-netlink-compat.h"
#include "nm-setting-ip4-config.h"
#include "nm-setting-ip6-config.h"
#include "nm-setting-connection.h"
#include "nm-dnsmasq-manager.h"
#include "nm-dhcp4-config.h"
#include "nm-ip6-manager.h"
#include "nm-marshal.h"
#include "nm-rfkill.h"
#include "nm-firewall-manager.h"
#include "nm-properties-changed-signal.h"
#include "nm-enum-types.h"
#include "nm-settings-connection.h"
#include "nm-connection-provider.h"
#include "nm-posix-signals.h"
#include "nm-manager-auth.h"
#include "nm-dbus-glib-types.h"
static void impl_device_disconnect (NMDevice *device, DBusGMethodInvocation *context);
#include "nm-device-interface-glue.h"
#define PENDING_IP4_CONFIG "pending-ip4-config"
#define PENDING_IP6_CONFIG "pending-ip6-config"
#define DBUS_G_TYPE_UINT_STRUCT (dbus_g_type_get_struct ("GValueArray", G_TYPE_UINT, G_TYPE_UINT, G_TYPE_INVALID))
/***********************************************************/
#define NM_DEVICE_ERROR (nm_device_error_quark ())
static GQuark
nm_device_error_quark (void)
{
static GQuark quark = 0;
if (!quark)
quark = g_quark_from_static_string ("nm-device-error");
return quark;
}
/***********************************************************/
enum {
STATE_CHANGED,
AUTOCONNECT_ALLOWED,
AUTH_REQUEST,
IP4_CONFIG_CHANGED,
IP6_CONFIG_CHANGED,
LAST_SIGNAL,
};
static guint signals[LAST_SIGNAL] = { 0 };
enum {
PROP_0,
PROP_UDI,
PROP_IFACE,
PROP_IP_IFACE,
PROP_DRIVER,
PROP_DRIVER_VERSION,
PROP_FIRMWARE_VERSION,
PROP_CAPABILITIES,
PROP_IP4_ADDRESS,
PROP_IP4_CONFIG,
PROP_DHCP4_CONFIG,
PROP_IP6_CONFIG,
PROP_DHCP6_CONFIG,
PROP_STATE,
PROP_STATE_REASON,
PROP_ACTIVE_CONNECTION,
PROP_DEVICE_TYPE,
PROP_MANAGED,
PROP_AUTOCONNECT,
PROP_FIRMWARE_MISSING,
PROP_TYPE_DESC,
PROP_RFKILL_TYPE,
PROP_IFINDEX,
PROP_AVAILABLE_CONNECTIONS,
LAST_PROP
};
#define DEFAULT_AUTOCONNECT TRUE
/***********************************************************/
G_DEFINE_ABSTRACT_TYPE (NMDevice, nm_device, G_TYPE_OBJECT)
#define NM_DEVICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE, NMDevicePrivate))
typedef enum {
IP_NONE = 0,
IP_CONF,
IP_DONE
} IpState;
typedef struct {
NMDeviceState state;
NMDeviceStateReason reason;
guint id;
} QueuedState;
typedef struct {
gboolean disposed;
gboolean initialized;
NMDeviceState state;
NMDeviceStateReason state_reason;
QueuedState queued_state;
char * udi;
char * path;
char * iface; /* may change, could be renamed by user */
int ifindex;
char * ip_iface;
int ip_ifindex;
NMDeviceType type;
char * type_desc;
guint32 capabilities;
char * driver;
char * driver_version;
char * firmware_version;
gboolean managed; /* whether managed by NM or not */
RfKillType rfkill_type;
gboolean firmware_missing;
GHashTable * available_connections;
guint32 ip4_address;
NMActRequest * act_request;
guint act_source_id;
gpointer act_source_func;
guint act_source6_id;
gpointer act_source6_func;
guint act_dep_result_id;
guint act_dep_timeout_id;
gulong secrets_updated_id;
gulong secrets_failed_id;
/* Generic DHCP stuff */
NMDHCPManager * dhcp_manager;
guint32 dhcp_timeout;
GByteArray * dhcp_anycast_address;
/* IP4 configuration info */
NMIP4Config * ip4_config; /* Config from DHCP, PPP, or system config files */
IpState ip4_state;
NMDHCPClient * dhcp4_client;
gulong dhcp4_state_sigid;
gulong dhcp4_timeout_sigid;
NMDHCP4Config * dhcp4_config;
/* dnsmasq stuff for shared connections */
NMDnsMasqManager *dnsmasq_manager;
gulong dnsmasq_state_id;
/* Firewall Manager */
NMFirewallManager *fw_manager;
DBusGProxyCall *fw_call;
/* avahi-autoipd stuff */
GPid aipd_pid;
guint aipd_watch;
guint aipd_timeout;
/* IP6 configuration info */
NMIP6Config * ip6_config;
IpState ip6_state;
NMIP6Manager * ip6_manager;
gulong ip6_addrconf_sigid;
gulong ip6_config_changed_sigid;
gboolean ip6_waiting_for_config;
/* IP6 config from autoconf */
NMIP6Config * ac_ip6_config;
char * ip6_accept_ra_path;
gint32 ip6_accept_ra_save;
/* IPv6 privacy extensions (RFC4941) */
char * ip6_privacy_tempaddr_path;
gint32 ip6_privacy_tempaddr_save;
NMDHCPClient * dhcp6_client;
guint32 dhcp6_mode;
gulong dhcp6_state_sigid;
gulong dhcp6_timeout_sigid;
NMDHCP6Config * dhcp6_config;
/* IP6 config from DHCP */
NMIP6Config * dhcp6_ip6_config;
/* allow autoconnect feature */
gboolean autoconnect;
/* master interface for bridge, bond, vlan, etc */
NMDevice * master;
NMConnectionProvider *con_provider;
/* connection provider signals for available connections property */
guint cp_added_id;
guint cp_loaded_id;
guint cp_removed_id;
guint cp_updated_id;
} NMDevicePrivate;
static void nm_device_take_down (NMDevice *dev, gboolean wait, NMDeviceStateReason reason);
static gboolean nm_device_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware);
static gboolean nm_device_is_up (NMDevice *self);
static gboolean nm_device_set_ip4_config (NMDevice *dev,
NMIP4Config *config,
gboolean assumed,
NMDeviceStateReason *reason);
static gboolean nm_device_set_ip6_config (NMDevice *dev,
NMIP6Config *config,
NMDeviceStateReason *reason);
static gboolean nm_device_activate_ip6_config_commit (gpointer user_data);
static gboolean real_check_connection_available (NMDevice *device, NMConnection *connection);
static void _clear_available_connections (NMDevice *device, gboolean do_signal);
static void dhcp4_cleanup (NMDevice *self, gboolean stop, gboolean release);
static const char *reason_to_string (NMDeviceStateReason reason);
static void cp_connection_added (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data);
static void cp_connections_loaded (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data);
static void cp_connection_removed (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data);
static void cp_connection_updated (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data);
static void
nm_device_init (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->type = NM_DEVICE_TYPE_UNKNOWN;
priv->capabilities = NM_DEVICE_CAP_NONE;
priv->state = NM_DEVICE_STATE_UNMANAGED;
priv->state_reason = NM_DEVICE_STATE_REASON_NONE;
priv->dhcp_timeout = 0;
priv->rfkill_type = RFKILL_TYPE_UNKNOWN;
priv->autoconnect = DEFAULT_AUTOCONNECT;
priv->available_connections = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, NULL);
}
static void
update_accept_ra_save (NMDevice *self)
{
NMDevicePrivate *priv;
const char *ip_iface;
char *new_path;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
ip_iface = nm_device_get_ip_iface (self);
new_path = g_strdup_printf ("/proc/sys/net/ipv6/conf/%s/accept_ra", ip_iface);
g_assert (new_path);
if (priv->ip6_accept_ra_path) {
/* If the IP iface is different from before, use the new value */
if (!strcmp (new_path, priv->ip6_accept_ra_path)) {
g_free (new_path);
return;
}
g_free (priv->ip6_accept_ra_path);
}
/* Grab the original value of "accept_ra" so we can restore it when NM exits */
priv->ip6_accept_ra_path = new_path;
if (!nm_utils_get_proc_sys_net_value_with_bounds (priv->ip6_accept_ra_path,
ip_iface,
&priv->ip6_accept_ra_save,
0, 1)) {
g_free (priv->ip6_accept_ra_path);
priv->ip6_accept_ra_path = NULL;
}
}
static void
update_ip6_privacy_save (NMDevice *self)
{
NMDevicePrivate *priv;
const char *ip_iface;
char *new_path;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
ip_iface = nm_device_get_ip_iface (self);
new_path = g_strdup_printf ("/proc/sys/net/ipv6/conf/%s/use_tempaddr", ip_iface);
g_assert (new_path);
if (priv->ip6_privacy_tempaddr_path) {
/* If the IP iface is different from before, use the new value */
if (!strcmp (new_path, priv->ip6_privacy_tempaddr_path)) {
g_free (new_path);
return;
}
g_free (priv->ip6_privacy_tempaddr_path);
}
/* Grab the original value of "use_tempaddr" so we can restore it when NM exits */
priv->ip6_privacy_tempaddr_path = new_path;
if (!nm_utils_get_proc_sys_net_value (priv->ip6_privacy_tempaddr_path,
ip_iface,
&priv->ip6_privacy_tempaddr_save)) {
g_free (priv->ip6_privacy_tempaddr_path);
priv->ip6_privacy_tempaddr_path = NULL;
}
}
/*
* Get driver info from SIOCETHTOOL ioctl() for 'iface'
* Returns driver and firmware versions to 'driver_version and' 'firmware_version'
*/
static gboolean
device_get_driver_info (const char *iface, char **driver_version, char **firmware_version)
{
struct ethtool_drvinfo drvinfo;
struct ifreq req;
int fd;
fd = socket (PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
nm_log_warn (LOGD_HW, "couldn't open control socket.");
return FALSE;
}
/* Get driver and firmware version info */
memset (&drvinfo, 0, sizeof (drvinfo));
memset (&req, 0, sizeof (struct ifreq));
strncpy (req.ifr_name, iface, IFNAMSIZ);
drvinfo.cmd = ETHTOOL_GDRVINFO;
req.ifr_data = &drvinfo;
errno = 0;
if (ioctl (fd, SIOCETHTOOL, &req) < 0) {
nm_log_dbg (LOGD_HW, "SIOCETHTOOL ioctl() failed: cmd=ETHTOOL_GDRVINFO, iface=%s, errno=%d",
iface, errno);
close (fd);
return FALSE;
}
if (driver_version)
*driver_version = g_strdup (drvinfo.version);
if (firmware_version)
*firmware_version = g_strdup (drvinfo.fw_version);
close (fd);
return TRUE;
}
static GObject*
constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GObject *object;
NMDevice *dev;
NMDevicePrivate *priv;
object = G_OBJECT_CLASS (nm_device_parent_class)->constructor (type,
n_construct_params,
construct_params);
if (!object)
return NULL;
dev = NM_DEVICE (object);
priv = NM_DEVICE_GET_PRIVATE (dev);
if (!priv->udi) {
nm_log_err (LOGD_DEVICE, "No device udi provided, ignoring");
goto error;
}
if (!priv->iface) {
nm_log_err (LOGD_DEVICE, "No device interface provided, ignoring");
goto error;
}
priv->capabilities |= NM_DEVICE_GET_CLASS (dev)->get_generic_capabilities (dev);
if (!(priv->capabilities & NM_DEVICE_CAP_NM_SUPPORTED)) {
nm_log_warn (LOGD_DEVICE, "(%s): Device unsupported, ignoring.", priv->iface);
goto error;
}
priv->dhcp_manager = nm_dhcp_manager_get ();
priv->fw_manager = nm_firewall_manager_get ();
device_get_driver_info (priv->iface, &priv->driver_version, &priv->firmware_version);
update_accept_ra_save (dev);
update_ip6_privacy_save (dev);
priv->initialized = TRUE;
return object;
error:
g_object_unref (dev);
return NULL;
}
static void
constructed (GObject *object)
{
NMDevice *dev = NM_DEVICE (object);
if (NM_DEVICE_GET_CLASS (dev)->update_hw_address)
NM_DEVICE_GET_CLASS (dev)->update_hw_address (dev);
if (NM_DEVICE_GET_CLASS (dev)->update_permanent_hw_address)
NM_DEVICE_GET_CLASS (dev)->update_permanent_hw_address (dev);
if (NM_DEVICE_GET_CLASS (dev)->update_initial_hw_address)
NM_DEVICE_GET_CLASS (dev)->update_initial_hw_address (dev);
if (G_OBJECT_CLASS (nm_device_parent_class)->constructed)
G_OBJECT_CLASS (nm_device_parent_class)->constructed (object);
}
static gboolean
nm_device_hw_is_up (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (NM_DEVICE_GET_CLASS (self)->hw_is_up)
return NM_DEVICE_GET_CLASS (self)->hw_is_up (self);
return TRUE;
}
static guint32
real_get_generic_capabilities (NMDevice *dev)
{
return 0;
}
void
nm_device_set_path (NMDevice *self, const char *path)
{
NMDevicePrivate *priv;
g_return_if_fail (self != NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->path == NULL);
priv->path = g_strdup (path);
}
const char *
nm_device_get_path (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->path;
}
const char *
nm_device_get_udi (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->udi;
}
/*
* Get/set functions for iface
*/
const char *
nm_device_get_iface (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->iface;
}
int
nm_device_get_ifindex (NMDevice *self)
{
g_return_val_if_fail (self != NULL, 0);
return NM_DEVICE_GET_PRIVATE (self)->ifindex;
}
const char *
nm_device_get_ip_iface (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_val_if_fail (self != NULL, NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
/* If it's not set, default to iface */
return priv->ip_iface ? priv->ip_iface : priv->iface;
}
int
nm_device_get_ip_ifindex (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_val_if_fail (self != NULL, 0);
priv = NM_DEVICE_GET_PRIVATE (self);
/* If it's not set, default to iface */
return priv->ip_iface ? priv->ip_ifindex : priv->ifindex;
}
void
nm_device_set_ip_iface (NMDevice *self, const char *iface)
{
NMDevicePrivate *priv;
char *old_ip_iface;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
old_ip_iface = priv->ip_iface;
priv->ip_ifindex = 0;
priv->ip_iface = g_strdup (iface);
if (priv->ip_iface) {
priv->ip_ifindex = nm_netlink_iface_to_index (priv->ip_iface);
if (priv->ip_ifindex <= 0) {
/* Device IP interface must always be a kernel network interface */
nm_log_warn (LOGD_HW, "(%s): failed to look up interface index", iface);
}
}
/* Emit change notification */
if (g_strcmp0 (old_ip_iface, priv->ip_iface))
g_object_notify (G_OBJECT (self), NM_DEVICE_IP_IFACE);
g_free (old_ip_iface);
}
/*
* Get/set functions for driver
*/
const char *
nm_device_get_driver (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->driver;
}
const char *
nm_device_get_driver_version (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->driver_version;
}
const char *
nm_device_get_firmware_version (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->firmware_version;
}
/*
* Get/set functions for type
*/
NMDeviceType
nm_device_get_device_type (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), NM_DEVICE_TYPE_UNKNOWN);
return NM_DEVICE_GET_PRIVATE (self)->type;
}
/**
* nm_device_get_priority():
* @dev: the #NMDevice
*
* Returns: the device's routing priority. Lower numbers means a "better"
* device, eg higher priority.
*/
int
nm_device_get_priority (NMDevice *dev)
{
g_return_val_if_fail (NM_IS_DEVICE (dev), 100);
/* Device 'priority' is used for two things:
*
* a) two devices on the same IP subnet: the "better" (ie, lower number)
* device is the default outgoing device for that subnet
* b) default route: the "better" device gets the default route. This can
* always be modified by setting a connection to never-default=TRUE, in
* which case that device will never take the default route when
* it's using that connection.
*/
switch (nm_device_get_device_type (dev)) {
case NM_DEVICE_TYPE_ETHERNET:
return 1;
case NM_DEVICE_TYPE_INFINIBAND:
return 2;
case NM_DEVICE_TYPE_ADSL:
return 3;
case NM_DEVICE_TYPE_WIMAX:
return 4;
case NM_DEVICE_TYPE_BOND:
return 5;
case NM_DEVICE_TYPE_VLAN:
return 6;
case NM_DEVICE_TYPE_MODEM:
return 7;
case NM_DEVICE_TYPE_BT:
return 8;
case NM_DEVICE_TYPE_WIFI:
return 9;
case NM_DEVICE_TYPE_OLPC_MESH:
return 10;
default:
return 20;
}
}
/*
* Accessor for capabilities
*/
guint32
nm_device_get_capabilities (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NM_DEVICE_CAP_NONE);
return NM_DEVICE_GET_PRIVATE (self)->capabilities;
}
/*
* Accessor for type-specific capabilities
*/
guint32
nm_device_get_type_capabilities (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NM_DEVICE_CAP_NONE);
return NM_DEVICE_GET_CLASS (self)->get_type_capabilities (self);
}
static guint32
real_get_type_capabilities (NMDevice *self)
{
return NM_DEVICE_CAP_NONE;
}
const char *
nm_device_get_type_desc (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->type_desc;
}
void
nm_device_set_connection_provider (NMDevice *device,
NMConnectionProvider *provider)
{
NMDevicePrivate *priv;
g_return_if_fail (device != NULL);
g_return_if_fail (provider != NULL);
g_return_if_fail (NM_IS_CONNECTION_PROVIDER (provider));
priv = NM_DEVICE_GET_PRIVATE (device);
g_return_if_fail (priv->con_provider == NULL);
priv->con_provider = provider;
priv->cp_added_id = g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_ADDED,
G_CALLBACK (cp_connection_added),
device);
priv->cp_loaded_id = g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTIONS_LOADED,
G_CALLBACK (cp_connections_loaded),
device);
priv->cp_removed_id = g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_REMOVED,
G_CALLBACK (cp_connection_removed),
device);
priv->cp_updated_id = g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_UPDATED,
G_CALLBACK (cp_connection_updated),
device);
}
NMConnectionProvider *
nm_device_get_connection_provider (NMDevice *device)
{
g_return_val_if_fail (device != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (device)->con_provider;
}
/**
* nm_device_enslave_slave:
* @dev: the master device
* @slave: the slave device to enslave
*
* If @dev is capable of enslaving other devices (ie it's a bridge, bond, etc)
* then this function enslaves @slave.
*
* Returns: %TRUE on success, %FALSE on failure or if this device cannot enslave
* other devices.
*/
gboolean
nm_device_enslave_slave (NMDevice *dev, NMDevice *slave)
{
g_return_val_if_fail (dev != NULL, FALSE);
g_return_val_if_fail (slave != NULL, FALSE);
g_return_val_if_fail (nm_device_get_state (slave) >= NM_DEVICE_STATE_DISCONNECTED, FALSE);
if (NM_DEVICE_GET_CLASS (dev)->enslave_slave)
return NM_DEVICE_GET_CLASS (dev)->enslave_slave (dev, slave);
return FALSE;
}
/**
* nm_device_release_slave:
* @dev: the master device
* @slave: the slave device to release
*
* If @dev is capable of enslaving other devices (ie it's a bridge, bond, etc)
* then this function releases the previously enslaved @slave.
*
* Returns: %TRUE on success, %FALSE on failure, if this device cannot enslave
* other devices, or if @slave was never enslaved.
*/
gboolean
nm_device_release_slave (NMDevice *dev, NMDevice *slave)
{
g_return_val_if_fail (dev != NULL, FALSE);
g_return_val_if_fail (slave != NULL, FALSE);
if (NM_DEVICE_GET_CLASS (dev)->release_slave)
return NM_DEVICE_GET_CLASS (dev)->release_slave (dev, slave);
return FALSE;
}
/*
* nm_device_get_act_request
*
* Return the devices activation request, if any.
*
*/
NMActRequest *
nm_device_get_act_request (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
return NM_DEVICE_GET_PRIVATE (self)->act_request;
}
NMConnection *
nm_device_get_connection (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
return priv->act_request ? nm_act_request_get_connection (priv->act_request) : NULL;
}
gboolean
nm_device_is_available (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->firmware_missing)
return FALSE;
if (NM_DEVICE_GET_CLASS (self)->is_available)
return NM_DEVICE_GET_CLASS (self)->is_available (self);
return TRUE;
}
gboolean
nm_device_get_enabled (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (NM_DEVICE_GET_CLASS (self)->get_enabled)
return NM_DEVICE_GET_CLASS (self)->get_enabled (self);
return TRUE;
}
void
nm_device_set_enabled (NMDevice *self, gboolean enabled)
{
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
if (NM_DEVICE_GET_CLASS (self)->set_enabled)
NM_DEVICE_GET_CLASS (self)->set_enabled (self, enabled);
}
RfKillType
nm_device_get_rfkill_type (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
return NM_DEVICE_GET_PRIVATE (self)->rfkill_type;
}
static gboolean
autoconnect_allowed_accumulator (GSignalInvocationHint *ihint,
GValue *return_accu,
const GValue *handler_return, gpointer data)
{
if (!g_value_get_boolean (handler_return))
g_value_set_boolean (return_accu, FALSE);
return TRUE;
}
gboolean
nm_device_autoconnect_allowed (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GValue instance = { 0, };
GValue retval = { 0, };
g_value_init (&instance, G_TYPE_OBJECT);
g_value_take_object (&instance, self);
g_value_init (&retval, G_TYPE_BOOLEAN);
if (priv->autoconnect)
g_value_set_boolean (&retval, TRUE);
else
g_value_set_boolean (&retval, FALSE);
/* Use g_signal_emitv() rather than g_signal_emit() to avoid the return
* value being changed if no handlers are connected */
g_signal_emitv (&instance, signals[AUTOCONNECT_ALLOWED], 0, &retval);
return g_value_get_boolean (&retval);
}
NMConnection *
nm_device_get_best_auto_connection (NMDevice *dev,
GSList *connections,
char **specific_object)
{
guint32 caps;
g_return_val_if_fail (NM_IS_DEVICE (dev), NULL);
g_return_val_if_fail (specific_object != NULL, NULL);
g_return_val_if_fail (*specific_object == NULL, NULL);
caps = nm_device_get_capabilities (dev);
/* Don't use devices that SUCK */
if (!(caps & NM_DEVICE_CAP_NM_SUPPORTED))
return NULL;
if (!NM_DEVICE_GET_CLASS (dev)->get_best_auto_connection)
return NULL;
return NM_DEVICE_GET_CLASS (dev)->get_best_auto_connection (dev, connections, specific_object);
}
gboolean
nm_device_complete_connection (NMDevice *self,
NMConnection *connection,
const char *specific_object,
const GSList *existing_connections,
GError **error)
{
gboolean success = FALSE;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (connection != NULL, FALSE);
if (!NM_DEVICE_GET_CLASS (self)->complete_connection) {
g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CONNECTION_INVALID,
"Device class %s had no complete_connection method",
G_OBJECT_TYPE_NAME (self));
return FALSE;
}
success = NM_DEVICE_GET_CLASS (self)->complete_connection (self,
connection,
specific_object,
existing_connections,
error);
if (success)
success = nm_connection_verify (connection, error);
return success;
}
gboolean
nm_device_check_connection_compatible (NMDevice *device,
NMConnection *connection,
GError **error)
{
g_return_val_if_fail (device != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
g_return_val_if_fail (connection != NULL, FALSE);
g_return_val_if_fail (NM_IS_CONNECTION (connection), FALSE);
if (NM_DEVICE_GET_CLASS (device)->check_connection_compatible)
return NM_DEVICE_GET_CLASS (device)->check_connection_compatible (device, connection, error);
return TRUE;
}
gboolean
nm_device_can_assume_connections (NMDevice *device)
{
g_return_val_if_fail (device != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
return !!NM_DEVICE_GET_CLASS (device)->connection_match_config;
}
static void
dnsmasq_state_changed_cb (NMDnsMasqManager *manager, guint32 status, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
switch (status) {
case NM_DNSMASQ_STATUS_DEAD:
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_SHARED_START_FAILED);
break;
default:
break;
}
}
static void
activation_source_clear (NMDevice *self, gboolean remove_source, int family)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint *act_source_id;
gpointer *act_source_func;
if (family == AF_INET6) {
act_source_id = &priv->act_source6_id;
act_source_func = &priv->act_source6_func;
} else {
act_source_id = &priv->act_source_id;
act_source_func = &priv->act_source_func;
}
if (*act_source_id) {
if (remove_source)
g_source_remove (*act_source_id);
*act_source_id = 0;
*act_source_func = NULL;
}
}
static void
activation_source_schedule (NMDevice *self, GSourceFunc func, int family)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint *act_source_id;
gpointer *act_source_func;
if (family == AF_INET6) {
act_source_id = &priv->act_source6_id;
act_source_func = &priv->act_source6_func;
} else {
act_source_id = &priv->act_source_id;
act_source_func = &priv->act_source_func;
}
if (*act_source_id) {
nm_log_err (LOGD_DEVICE, "activation stage already scheduled");
}
/* Don't bother rescheduling the same function that's about to
* run anyway. Fixes issues with crappy wireless drivers sending
* streams of associate events before NM has had a chance to process
* the first one.
*/
if (!*act_source_id || (*act_source_func != func)) {
activation_source_clear (self, TRUE, family);
*act_source_id = g_idle_add (func, self);
*act_source_func = func;
}
}
gboolean
nm_device_ip_config_should_fail (NMDevice *self, gboolean ip6)
{
NMConnection *connection;
NMSettingIP4Config *s_ip4;
NMSettingIP6Config *s_ip6;
g_return_val_if_fail (self != NULL, TRUE);
connection = nm_device_get_connection (self);
g_assert (connection);
/* Fail the connection if the failed IP method is required to complete */
if (ip6) {
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (s_ip6 && !nm_setting_ip6_config_get_may_fail (s_ip6))
return TRUE;
} else {
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4 && !nm_setting_ip4_config_get_may_fail (s_ip4))
return TRUE;
}
return FALSE;
}
static gboolean
ip6_method_matches (NMConnection *connection, const char *match)
{
NMSettingIP6Config *s_ip6;
const char *method = NULL;
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (s_ip6) {
method = nm_setting_ip6_config_get_method (s_ip6);
g_assert (method);
}
/* Treat missing IP6 setting as AUTO */
if (!s_ip6 && !strcmp (match, NM_SETTING_IP6_CONFIG_METHOD_AUTO))
return TRUE;
return method && !strcmp (method, match);
}
static NMActStageReturn
real_act_stage1_prepare (NMDevice *self, NMDeviceStateReason *reason)
{
NMActRequest *req;
NMActiveConnection *master_ac;
NMDevice *master;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
req = nm_device_get_act_request (self);
g_assert (req);
/* If the interface is going to be a slave, let the master enslave it here */
master_ac = nm_act_request_get_dependency (req);
if (master_ac && NM_IS_ACT_REQUEST (master_ac)) {
/* FIXME: handle VPNs here too */
master = NM_DEVICE (nm_act_request_get_device (NM_ACT_REQUEST (master_ac)));
g_assert (master);
if (!nm_device_enslave_slave (master, self))
ret = NM_ACT_STAGE_RETURN_FAILURE;
}
return ret;
}
/*
* nm_device_activate_stage1_device_prepare
*
* Prepare for device activation
*
*/
static gboolean
nm_device_activate_stage1_device_prepare (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *iface;
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
if (priv->act_dep_timeout_id) {
g_source_remove (priv->act_dep_timeout_id);
priv->act_dep_timeout_id = 0;
}
priv->ip4_state = priv->ip6_state = IP_NONE;
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 1 of 5 (Device Prepare) started...", iface);
nm_device_state_changed (self, NM_DEVICE_STATE_PREPARE, NM_DEVICE_STATE_REASON_NONE);
ret = NM_DEVICE_GET_CLASS (self)->act_stage1_prepare (self, &reason);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE) {
goto out;
} else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
nm_device_activate_schedule_stage2_device_config (self);
out:
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 1 of 5 (Device Prepare) complete.", iface);
return FALSE;
}
/*
* nm_device_activate_schedule_stage1_device_prepare
*
* Prepare a device for activation
*
*/
void
nm_device_activate_schedule_stage1_device_prepare (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
activation_source_schedule (self, nm_device_activate_stage1_device_prepare, 0);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 1 of 5 (Device Prepare) scheduled...",
nm_device_get_iface (self));
}
static NMActStageReturn
real_act_stage2_config (NMDevice *dev, NMDeviceStateReason *reason)
{
/* Nothing to do */
return NM_ACT_STAGE_RETURN_SUCCESS;
}
/*
* nm_device_activate_stage2_device_config
*
* Determine device parameters and set those on the device, ie
* for wireless devices, set SSID, keys, etc.
*
*/
static gboolean
nm_device_activate_stage2_device_config (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
const char * iface;
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
gboolean no_firmware = FALSE;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 2 of 5 (Device Configure) starting...", iface);
nm_device_state_changed (self, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_REASON_NONE);
if (!nm_device_bring_up (self, FALSE, &no_firmware)) {
if (no_firmware)
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_FIRMWARE_MISSING);
else
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_CONFIG_FAILED);
goto out;
}
ret = NM_DEVICE_GET_CLASS (self)->act_stage2_config (self, &reason);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE)
goto out;
else if (ret == NM_ACT_STAGE_RETURN_FAILURE)
{
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 2 of 5 (Device Configure) successful.", iface);
nm_device_activate_schedule_stage3_ip_config_start (self);
out:
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 2 of 5 (Device Configure) complete.", iface);
return FALSE;
}
/*
* nm_device_activate_schedule_stage2_device_config
*
* Schedule setup of the hardware device
*
*/
void
nm_device_activate_schedule_stage2_device_config (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
activation_source_schedule (self, nm_device_activate_stage2_device_config, 0);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 2 of 5 (Device Configure) scheduled...",
nm_device_get_iface (self));
}
/*********************************************/
/* avahi-autoipd stuff */
static void
aipd_timeout_remove (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->aipd_timeout) {
g_source_remove (priv->aipd_timeout);
priv->aipd_timeout = 0;
}
}
static void
aipd_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->aipd_watch) {
g_source_remove (priv->aipd_watch);
priv->aipd_watch = 0;
}
if (priv->aipd_pid > 0) {
kill (priv->aipd_pid, SIGKILL);
/* ensure the child is reaped */
nm_log_dbg (LOGD_AUTOIP4, "waiting for avahi-autoipd pid %d to exit", priv->aipd_pid);
waitpid (priv->aipd_pid, NULL, 0);
nm_log_dbg (LOGD_AUTOIP4, "avahi-autoip pid %d cleaned up", priv->aipd_pid);
priv->aipd_pid = -1;
}
aipd_timeout_remove (self);
}
static NMIP4Config *
aipd_get_ip4_config (NMDevice *self, struct in_addr lla)
{
NMIP4Config *config = NULL;
NMIP4Address *addr;
NMIP4Route *route;
config = nm_ip4_config_new ();
g_assert (config);
addr = nm_ip4_address_new ();
nm_ip4_address_set_address (addr, (guint32) lla.s_addr);
nm_ip4_address_set_prefix (addr, 16);
nm_ip4_config_take_address (config, addr);
/* Add a multicast route for link-local connections: destination= 224.0.0.0, netmask=240.0.0.0 */
route = nm_ip4_route_new ();
nm_ip4_route_set_dest (route, (guint32) htonl (0xE0000000L));
nm_ip4_route_set_prefix (route, 4);
nm_ip4_route_set_next_hop (route, (guint32) 0);
nm_ip4_route_set_metric (route, 0);
nm_ip4_config_take_route (config, route);
return config;
}
static void
autoip_changed (NMDevice *self,
NMIP4Config *config,
NMSettingIP4Config *s_ip4)
{
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
nm_utils_merge_ip4_config (config, s_ip4);
if (!nm_device_set_ip4_config (self, config, FALSE, &reason)) {
nm_log_err (LOGD_AUTOIP4, "(%s): failed to update IP4 config in response to autoip event.",
nm_device_get_iface (self));
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
}
#define IPV4LL_NETWORK (htonl (0xA9FE0000L))
#define IPV4LL_NETMASK (htonl (0xFFFF0000L))
void
nm_device_handle_autoip4_event (NMDevice *self,
const char *event,
const char *address)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection = NULL;
NMSettingIP4Config *s_ip4 = NULL;
const char *iface, *method = NULL;
g_return_if_fail (event != NULL);
if (priv->act_request == NULL)
return;
connection = nm_act_request_get_connection (priv->act_request);
g_assert (connection);
/* Ignore if the connection isn't an AutoIP connection */
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4)
method = nm_setting_ip4_config_get_method (s_ip4);
if (g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL) != 0)
return;
iface = nm_device_get_iface (self);
if (strcmp (event, "BIND") == 0) {
struct in_addr lla;
NMIP4Config *config;
if (inet_pton (AF_INET, address, &lla) <= 0) {
nm_log_err (LOGD_AUTOIP4, "(%s): invalid address %s received from avahi-autoipd.",
iface, address);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_AUTOIP_ERROR);
return;
}
if ((lla.s_addr & IPV4LL_NETMASK) != IPV4LL_NETWORK) {
nm_log_err (LOGD_AUTOIP4, "(%s): invalid address %s received from avahi-autoipd (not link-local).",
iface, address);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_AUTOIP_ERROR);
return;
}
config = aipd_get_ip4_config (self, lla);
if (config == NULL) {
nm_log_err (LOGD_AUTOIP4, "failed to get autoip config");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
return;
}
if (priv->ip4_state == IP_CONF) {
aipd_timeout_remove (self);
nm_device_activate_schedule_ip4_config_result (self, config);
} else if (priv->ip4_state == IP_DONE) {
autoip_changed (self, config, s_ip4);
} else
g_assert_not_reached ();
g_object_unref (config);
} else {
nm_log_warn (LOGD_AUTOIP4, "(%s): autoip address %s no longer valid because '%s'.",
iface, address, event);
/* The address is gone; terminate the connection or fail activation */
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
}
}
static void
aipd_watch_cb (GPid pid, gint status, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState state;
const char *iface;
if (!priv->aipd_watch)
return;
priv->aipd_watch = 0;
iface = nm_device_get_iface (self);
if (WIFEXITED (status)) {
nm_log_dbg (LOGD_AUTOIP4, "(%s): avahi-autoipd exited with error code %d",
iface, WEXITSTATUS (status));
} else if (WIFSTOPPED (status)) {
nm_log_warn (LOGD_AUTOIP4, "(%s): avahi-autoipd stopped unexpectedly with signal %d",
iface, WSTOPSIG (status));
} else if (WIFSIGNALED (status)) {
nm_log_warn (LOGD_AUTOIP4, "(%s): avahi-autoipd died with signal %d",
iface, WTERMSIG (status));
} else {
nm_log_warn (LOGD_AUTOIP4, "(%s): avahi-autoipd died from an unknown cause", iface);
}
aipd_cleanup (self);
state = nm_device_get_state (self);
if (nm_device_is_activating (self) || (state == NM_DEVICE_STATE_ACTIVATED))
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_AUTOIP_FAILED);
}
static gboolean
aipd_timeout_cb (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->aipd_timeout) {
nm_log_info (LOGD_AUTOIP4, "(%s): avahi-autoipd timed out.", nm_device_get_iface (self));
priv->aipd_timeout = 0;
aipd_cleanup (self);
if (priv->ip4_state == IP_CONF)
nm_device_activate_schedule_ip4_config_timeout (self);
}
return FALSE;
}
static void
aipd_child_setup (gpointer user_data G_GNUC_UNUSED)
{
/* We are in the child process at this point.
* Give child it's own program group for signal
* separation.
*/
pid_t pid = getpid ();
setpgid (pid, pid);
/*
* We blocked signals in main(). We need to restore original signal
* mask for avahi-autoipd here so that it can receive signals.
*/
nm_unblock_posix_signals (NULL);
}
static NMActStageReturn
aipd_start (NMDevice *self, NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *iface = nm_device_get_iface (self);
char *argv[6], *cmdline;
const char **aipd_binary = NULL;
static const char *aipd_paths[] = {
"/usr/sbin/avahi-autoipd",
"/usr/local/sbin/avahi-autoipd",
NULL
};
int i = 0;
GError *error = NULL;
aipd_cleanup (self);
/* Find avahi-autoipd */
aipd_binary = aipd_paths;
while (*aipd_binary != NULL) {
if (g_file_test (*aipd_binary, G_FILE_TEST_EXISTS))
break;
aipd_binary++;
}
if (!*aipd_binary) {
nm_log_warn (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation (%s) Stage 3 of 5 (IP Configure Start) failed"
" to start avahi-autoipd: not found", iface);
*reason = NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
argv[i++] = (char *) (*aipd_binary);
argv[i++] = "--script";
argv[i++] = LIBEXECDIR "/nm-avahi-autoipd.action";
if (nm_logging_level_enabled (LOGL_DEBUG))
argv[i++] = "--debug";
argv[i++] = (char *) nm_device_get_ip_iface (self);
argv[i++] = NULL;
cmdline = g_strjoinv (" ", argv);
nm_log_dbg (LOGD_AUTOIP4, "running: %s", cmdline);
g_free (cmdline);
if (!g_spawn_async ("/", argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
&aipd_child_setup, NULL, &(priv->aipd_pid), &error)) {
nm_log_warn (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation (%s) Stage 3 of 5 (IP Configure Start) failed"
" to start avahi-autoipd: %s",
iface,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
aipd_cleanup (self);
return NM_ACT_STAGE_RETURN_FAILURE;
}
nm_log_info (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation (%s) Stage 3 of 5 (IP Configure Start) started"
" avahi-autoipd...", iface);
/* Monitor the child process so we know when it dies */
priv->aipd_watch = g_child_watch_add (priv->aipd_pid, aipd_watch_cb, self);
/* Start a timeout to bound the address attempt */
priv->aipd_timeout = g_timeout_add_seconds (20, aipd_timeout_cb, self);
return NM_ACT_STAGE_RETURN_POSTPONE;
}
/*********************************************/
/* DHCPv4 stuff */
static void
dhcp4_add_option_cb (gpointer key, gpointer value, gpointer user_data)
{
nm_dhcp4_config_add_option (NM_DHCP4_CONFIG (user_data),
(const char *) key,
(const char *) value);
}
static void
dhcp4_lease_change (NMDevice *device, NMIP4Config *config)
{
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (config == NULL) {
nm_log_warn (LOGD_DHCP4, "(%s): failed to get DHCPv4 config for rebind",
nm_device_get_ip_iface (device));
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
return;
}
connection = nm_device_get_connection (device);
g_assert (connection);
/* Merge with user overrides */
nm_utils_merge_ip4_config (config, nm_connection_get_setting_ip4_config (connection));
if (!nm_device_set_ip4_config (device, config, FALSE, &reason)) {
nm_log_warn (LOGD_DHCP6, "(%s): failed to update IPv4 config in response to DHCP event.",
nm_device_get_ip_iface (device));
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, reason);
return;
}
/* Notify dispatcher scripts of new DHCP4 config */
nm_utils_call_dispatcher ("dhcp4-change", connection, device, NULL, NULL, NULL);
}
static void
dhcp4_fail (NMDevice *device, gboolean timeout)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
nm_dhcp4_config_reset (priv->dhcp4_config);
if (timeout || (priv->ip4_state == IP_CONF))
nm_device_activate_schedule_ip4_config_timeout (device);
else if (priv->ip4_state == IP_DONE)
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
}
static void
dhcp4_state_changed (NMDHCPClient *client,
NMDHCPState state,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
NMDeviceState dev_state;
NMIP4Config *config;
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == FALSE);
nm_log_dbg (LOGD_DHCP4, "(%s): new DHCPv4 client state %d",
nm_device_get_iface (device), state);
dev_state = nm_device_get_state (device);
switch (state) {
case DHC_BOUND4: /* lease obtained */
case DHC_RENEW4: /* lease renewed */
case DHC_REBOOT: /* have valid lease, but now obtained a different one */
case DHC_REBIND4: /* new, different lease */
config = nm_dhcp_client_get_ip4_config (priv->dhcp4_client, FALSE);
if (priv->ip4_state == IP_CONF)
nm_device_activate_schedule_ip4_config_result (device, config);
else if (priv->ip4_state == IP_DONE)
dhcp4_lease_change (device, config);
if (config) {
/* Update the DHCP4 config object with new DHCP options */
nm_dhcp4_config_reset (priv->dhcp4_config);
nm_dhcp_client_foreach_option (priv->dhcp4_client,
dhcp4_add_option_cb,
priv->dhcp4_config);
g_object_notify (G_OBJECT (device), NM_DEVICE_DHCP4_CONFIG);
g_object_unref (config);
}
break;
case DHC_TIMEOUT: /* timed out contacting DHCP server */
dhcp4_fail (device, TRUE);
break;
case DHC_END: /* dhclient exited normally */
case DHC_FAIL: /* all attempts to contact server timed out, sleeping */
case DHC_ABEND: /* dhclient exited abnormally */
/* dhclient quit and can't get/renew a lease; so kill the connection */
dhcp4_fail (device, FALSE);
break;
default:
break;
}
}
static void
dhcp4_timeout (NMDHCPClient *client, gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
g_return_if_fail (nm_device_get_act_request (device) != NULL);
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == FALSE);
nm_dhcp_client_stop (client, FALSE);
dhcp4_fail (device, TRUE);
}
static NMActStageReturn
dhcp4_start (NMDevice *self,
NMConnection *connection,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMSettingIP4Config *s_ip4;
guint8 *anycast = NULL;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (priv->dhcp_anycast_address)
anycast = priv->dhcp_anycast_address->data;
/* Clear old exported DHCP options */
if (priv->dhcp4_config)
g_object_unref (priv->dhcp4_config);
priv->dhcp4_config = nm_dhcp4_config_new ();
/* Begin DHCP on the interface */
g_warn_if_fail (priv->dhcp4_client == NULL);
priv->dhcp4_client = nm_dhcp_manager_start_ip4 (priv->dhcp_manager,
nm_device_get_ip_iface (self),
nm_connection_get_uuid (connection),
s_ip4,
priv->dhcp_timeout,
anycast);
if (!priv->dhcp4_client) {
*reason = NM_DEVICE_STATE_REASON_DHCP_START_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
priv->dhcp4_state_sigid = g_signal_connect (priv->dhcp4_client,
"state-changed",
G_CALLBACK (dhcp4_state_changed),
self);
priv->dhcp4_timeout_sigid = g_signal_connect (priv->dhcp4_client,
"timeout",
G_CALLBACK (dhcp4_timeout),
self);
/* DHCP devices will be notified by the DHCP manager when stuff happens */
return NM_ACT_STAGE_RETURN_POSTPONE;
}
gboolean
nm_device_dhcp4_renew (NMDevice *self, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActStageReturn ret;
NMDeviceStateReason reason;
NMConnection *connection;
g_return_val_if_fail (priv->dhcp4_client != NULL, FALSE);
nm_log_info (LOGD_DHCP4, "(%s): DHCPv4 lease renewal requested",
nm_device_get_iface (self));
/* Terminate old DHCP instance and release the old lease */
dhcp4_cleanup (self, TRUE, release);
connection = nm_device_get_connection (self);
g_assert (connection);
/* Start DHCP again on the interface */
ret = dhcp4_start (self, connection, &reason);
return (ret != NM_ACT_STAGE_RETURN_FAILURE);
}
/*********************************************/
static GHashTable *shared_ips = NULL;
static void
release_shared_ip (gpointer data)
{
g_hash_table_remove (shared_ips, data);
}
static guint32
reserve_shared_ip (void)
{
guint32 start = (guint32) ntohl (0x0a2a0001); /* 10.42.0.1 */
guint32 count = 0;
while (g_hash_table_lookup (shared_ips, GUINT_TO_POINTER (start + count))) {
count += ntohl (0x100);
if (count > ntohl (0xFE00)) {
nm_log_err (LOGD_SHARING, "ran out of shared IP addresses!");
return 0;
}
}
g_hash_table_insert (shared_ips, GUINT_TO_POINTER (start + count), GUINT_TO_POINTER (TRUE));
return start + count;
}
static NMIP4Config *
shared4_new_config (NMDevice *self, NMDeviceStateReason *reason)
{
NMIP4Config *config = NULL;
NMIP4Address *addr;
guint32 tmp_addr;
g_return_val_if_fail (self != NULL, NULL);
if (G_UNLIKELY (shared_ips == NULL))
shared_ips = g_hash_table_new (g_direct_hash, g_direct_equal);
tmp_addr = reserve_shared_ip ();
if (!tmp_addr) {
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NULL;
}
config = nm_ip4_config_new ();
addr = nm_ip4_address_new ();
nm_ip4_address_set_address (addr, tmp_addr);
nm_ip4_address_set_prefix (addr, 24);
nm_ip4_config_take_address (config, addr);
/* Remove the address lock when the object gets disposed */
g_object_set_data_full (G_OBJECT (config), "shared-ip",
GUINT_TO_POINTER (tmp_addr), release_shared_ip);
return config;
}
/*********************************************/
static NMActStageReturn
real_act_stage3_ip4_config_start (NMDevice *self,
NMIP4Config **out_config,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMSettingIP4Config *s_ip4;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
const char *method = NM_SETTING_IP4_CONFIG_METHOD_AUTO;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_device_get_connection (self);
g_assert (connection);
/* If we did not receive IP4 configuration information, default to DHCP */
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4)
method = nm_setting_ip4_config_get_method (s_ip4);
else if (nm_connection_is_type (connection, NM_SETTING_BOND_SETTING_NAME))
method = NM_SETTING_IP4_CONFIG_METHOD_DISABLED;
/* Start IPv4 addressing based on the method requested */
if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0)
ret = dhcp4_start (self, connection, reason);
else if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL) == 0)
ret = aipd_start (self, reason);
else if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL) == 0) {
/* Use only IPv4 config from the connection data */
*out_config = nm_ip4_config_new ();
g_assert (*out_config);
ret = NM_ACT_STAGE_RETURN_SUCCESS;
} else if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_SHARED) == 0) {
*out_config = shared4_new_config (self, reason);
if (*out_config) {
priv->dnsmasq_manager = nm_dnsmasq_manager_new (nm_device_get_ip_iface (self));
ret = NM_ACT_STAGE_RETURN_SUCCESS;
} else
ret = NM_ACT_STAGE_RETURN_FAILURE;
} else if (s_ip4 && !strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED)) {
/* Nothing to do... */
ret = NM_ACT_STAGE_RETURN_STOP;
} else {
nm_log_warn (LOGD_IP4, "(%s): unhandled IPv4 config method; will fail",
nm_device_get_ip_iface (self));
}
return ret;
}
/*********************************************/
/* DHCPv6 stuff */
static void
dhcp6_add_option_cb (gpointer key, gpointer value, gpointer user_data)
{
nm_dhcp6_config_add_option (NM_DHCP6_CONFIG (user_data),
(const char *) key,
(const char *) value);
}
static void
merge_ip6_configs (NMIP6Config *dst, NMIP6Config *src)
{
guint32 i;
g_return_if_fail (src != NULL);
g_return_if_fail (dst != NULL);
/* addresses */
for (i = 0; i < nm_ip6_config_get_num_addresses (src); i++)
nm_ip6_config_add_address (dst, nm_ip6_config_get_address (src, i));
/* ptp address; only replace if src doesn't have one */
if (!nm_ip6_config_get_ptp_address (dst))
nm_ip6_config_set_ptp_address (dst, nm_ip6_config_get_ptp_address (src));
/* nameservers */
for (i = 0; i < nm_ip6_config_get_num_nameservers (src); i++)
nm_ip6_config_add_nameserver (dst, nm_ip6_config_get_nameserver (src, i));
/* default gateway */
if (!nm_ip6_config_get_gateway (dst))
nm_ip6_config_set_gateway (dst, nm_ip6_config_get_gateway (src));
/* routes */
for (i = 0; i < nm_ip6_config_get_num_routes (src); i++)
nm_ip6_config_add_route (dst, nm_ip6_config_get_route (src, i));
/* domains */
for (i = 0; i < nm_ip6_config_get_num_domains (src); i++)
nm_ip6_config_add_domain (dst, nm_ip6_config_get_domain (src, i));
/* dns searches */
for (i = 0; i < nm_ip6_config_get_num_searches (src); i++)
nm_ip6_config_add_search (dst, nm_ip6_config_get_search (src, i));
if (!nm_ip6_config_get_mss (dst))
nm_ip6_config_set_mss (dst, nm_ip6_config_get_mss (src));
}
static gboolean
ip6_config_merge_and_apply (NMDevice *self,
NMIP6Config *src_config,
NMDeviceStateReason *out_reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
gboolean success;
NMIP6Config *composite;
connection = nm_device_get_connection (self);
g_assert (connection);
/* If no config was passed in, create a new one */
composite = nm_ip6_config_new ();
g_assert (composite);
/* Merge in the given config first, if any */
if (src_config)
merge_ip6_configs (composite, src_config);
/* Merge RA and DHCPv6 configs into the composite config */
if (priv->ac_ip6_config && (src_config != priv->ac_ip6_config))
merge_ip6_configs (composite, priv->ac_ip6_config);
if (priv->dhcp6_ip6_config && (src_config != priv->dhcp6_ip6_config))
merge_ip6_configs (composite, priv->dhcp6_ip6_config);
/* Merge user overrides into the composite config */
nm_utils_merge_ip6_config (composite, nm_connection_get_setting_ip6_config (connection));
success = nm_device_set_ip6_config (self, composite, out_reason);
g_object_unref (composite);
return success;
}
static void
dhcp6_lease_change (NMDevice *device)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (priv->dhcp6_ip6_config == NULL) {
nm_log_warn (LOGD_DHCP6, "(%s): failed to get DHCPv6 config for rebind",
nm_device_get_ip_iface (device));
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
return;
}
g_assert (priv->dhcp6_client); /* sanity check */
connection = nm_device_get_connection (device);
g_assert (connection);
/* Apply the updated config */
if (ip6_config_merge_and_apply (device, NULL, &reason) == FALSE) {
nm_log_warn (LOGD_DHCP6, "(%s): failed to update IPv6 config in response to DHCP event.",
nm_device_get_ip_iface (device));
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, reason);
} else {
/* Notify dispatcher scripts of new DHCPv6 config */
nm_utils_call_dispatcher ("dhcp6-change", connection, device, NULL, NULL, NULL);
}
}
static void
dhcp6_fail (NMDevice *device, gboolean timeout)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
nm_dhcp6_config_reset (priv->dhcp6_config);
if (timeout || (priv->ip6_state == IP_CONF))
nm_device_activate_schedule_ip6_config_timeout (device);
else if (priv->ip6_state == IP_DONE)
nm_device_state_changed (device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
}
static void
dhcp6_state_changed (NMDHCPClient *client,
NMDHCPState state,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
NMDeviceState dev_state;
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == TRUE);
nm_log_dbg (LOGD_DHCP6, "(%s): new DHCPv6 client state %d",
nm_device_get_iface (device), state);
dev_state = nm_device_get_state (device);
switch (state) {
case DHC_BOUND6:
case DHC_RENEW6: /* lease renewed */
case DHC_REBOOT: /* have valid lease, but now obtained a different one */
case DHC_REBIND6: /* new, different lease */
if (priv->dhcp6_ip6_config)
g_object_unref (priv->dhcp6_ip6_config);
priv->dhcp6_ip6_config = nm_dhcp_client_get_ip6_config (priv->dhcp6_client, FALSE);
if (priv->ip6_state == IP_CONF)
nm_device_activate_schedule_ip6_config_result (device, priv->dhcp6_ip6_config);
else if (priv->ip6_state == IP_DONE)
dhcp6_lease_change (device);
if (priv->dhcp6_ip6_config) {
/* Update the DHCP6 config object with new DHCP options */
nm_dhcp6_config_reset (priv->dhcp6_config);
nm_dhcp_client_foreach_option (priv->dhcp6_client,
dhcp6_add_option_cb,
priv->dhcp6_config);
g_object_notify (G_OBJECT (device), NM_DEVICE_DHCP6_CONFIG);
}
break;
case DHC_TIMEOUT: /* timed out contacting DHCP server */
dhcp6_fail (device, TRUE);
break;
case DHC_END: /* dhclient exited normally */
/* In IPv6 info-only mode, the client doesn't handle leases so it
* may exit right after getting a response from the server. That's
* normal. In that case we just ignore the exit.
*/
if (priv->dhcp6_mode == IP6_DHCP_OPT_OTHERCONF)
break;
/* Otherwise, fall through */
case DHC_FAIL: /* all attempts to contact server timed out, sleeping */
case DHC_ABEND: /* dhclient exited abnormally */
/* dhclient quit and can't get/renew a lease; so kill the connection */
dhcp6_fail (device, FALSE);
break;
default:
break;
}
}
static void
dhcp6_timeout (NMDHCPClient *client, gpointer user_data)
{
NMDevice *device = NM_DEVICE (user_data);
g_return_if_fail (nm_device_get_act_request (device) != NULL);
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == TRUE);
nm_dhcp_client_stop (client, FALSE);
dhcp6_fail (device, TRUE);
}
static NMActStageReturn
dhcp6_start (NMDevice *self,
NMConnection *connection,
guint32 dhcp_opt,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
guint8 *anycast = NULL;
const char *ip_iface;
const struct in6_addr dest = { { { 0xFF,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } };
int err;
if (!connection) {
connection = nm_device_get_connection (self);
g_assert (connection);
}
/* Begin a DHCP transaction on the interface */
if (priv->dhcp_anycast_address)
anycast = priv->dhcp_anycast_address->data;
/* Clear old exported DHCP options */
if (priv->dhcp6_config)
g_object_unref (priv->dhcp6_config);
priv->dhcp6_config = nm_dhcp6_config_new ();
g_warn_if_fail (priv->dhcp6_ip6_config == NULL);
if (priv->dhcp6_ip6_config) {
g_object_unref (priv->dhcp6_ip6_config);
priv->dhcp6_ip6_config = NULL;
}
/* DHCPv6 communicates with the DHCPv6 server via two multicast addresses,
* ff02::1:2 (link-scope) and ff05::1:3 (site-scope). Make sure we have
* a multicast route (ff00::/8) for client <-> server communication.
*/
err = nm_system_set_ip6_route (priv->ip_iface ? priv->ip_ifindex : priv->ifindex,
&dest, 8, NULL, 256, 0, RTPROT_BOOT, RT_TABLE_LOCAL, NULL);
if (err && (err != -NLE_EXIST)) {
nm_log_err (LOGD_DEVICE | LOGD_IP6,
"(%s): failed to add IPv6 multicast route: %s",
priv->ip_iface ? priv->ip_iface : priv->iface, nl_geterror (err));
}
ip_iface = nm_device_get_ip_iface (self);
priv->dhcp6_client = nm_dhcp_manager_start_ip6 (priv->dhcp_manager,
ip_iface,
nm_connection_get_uuid (connection),
nm_connection_get_setting_ip6_config (connection),
priv->dhcp_timeout,
anycast,
(dhcp_opt == IP6_DHCP_OPT_OTHERCONF) ? TRUE : FALSE);
if (priv->dhcp6_client) {
priv->dhcp6_state_sigid = g_signal_connect (priv->dhcp6_client,
"state-changed",
G_CALLBACK (dhcp6_state_changed),
self);
priv->dhcp6_timeout_sigid = g_signal_connect (priv->dhcp6_client,
"timeout",
G_CALLBACK (dhcp6_timeout),
self);
/* DHCP devices will be notified by the DHCP manager when stuff happens */
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else {
*reason = NM_DEVICE_STATE_REASON_DHCP_START_FAILED;
ret = NM_ACT_STAGE_RETURN_FAILURE;
}
return ret;
}
/******************************************/
static void
ip6_addrconf_complete (NMIP6Manager *ip6_manager,
int ifindex,
guint dhcp_opts,
gboolean success,
gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (ifindex != nm_device_get_ip_ifindex (self))
return;
g_return_if_fail (priv->act_request != NULL);
connection = nm_device_get_connection (self);
g_assert (connection);
if (!priv->ip6_waiting_for_config)
return;
priv->ip6_waiting_for_config = FALSE;
if (!success) {
nm_device_activate_schedule_ip6_config_timeout (self);
return;
}
priv->dhcp6_mode = dhcp_opts;
/* If addrconf is all that's required, we're done */
if (priv->dhcp6_mode == IP6_DHCP_OPT_NONE) {
priv->ac_ip6_config = nm_ip6_manager_get_ip6_config (ip6_manager, ifindex);
nm_device_activate_schedule_ip6_config_result (self, priv->ac_ip6_config);
return;
}
/* If the router said to use DHCP for managed or otherconf, do it */
/* Don't re-start DHCPv6 if it's already in progress */
if (priv->ip6_state != IP_CONF)
return;
nm_log_info (LOGD_DEVICE | LOGD_DHCP6,
"Activation (%s) Stage 3 of 5 (IP Configure Start) starting DHCPv6"
" as requested by IPv6 router...",
priv->iface);
ret = dhcp6_start (self, connection, priv->dhcp6_mode, &reason);
switch (ret) {
case NM_ACT_STAGE_RETURN_SUCCESS:
/* Shouldn't get this, but handle it anyway */
g_warn_if_reached ();
priv->ac_ip6_config = nm_ip6_manager_get_ip6_config (ip6_manager, ifindex);
nm_device_activate_schedule_ip6_config_result (self, priv->ac_ip6_config);
break;
case NM_ACT_STAGE_RETURN_POSTPONE:
/* Cache acquired autoconf config and wait for DHCPv6 to complete */
priv->ac_ip6_config = nm_ip6_manager_get_ip6_config (ip6_manager, ifindex);
break;
default:
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
break;
}
}
static void
ip6_config_changed (NMIP6Manager *ip6_manager,
int ifindex,
guint dhcp_opts,
gboolean success,
gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (ifindex != nm_device_get_ip_ifindex (self))
return;
g_return_if_fail (priv->act_request != NULL);
/* If autoconf failed and IPv6 previously succeeded, fail */
if (!success && (priv->ip6_state == IP_DONE)) {
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
return;
}
/* FIXME: re-run DHCPv6 here to get any new nameservers or whatever */
if (priv->ac_ip6_config)
g_object_unref (priv->ac_ip6_config);
priv->ac_ip6_config = nm_ip6_manager_get_ip6_config (ip6_manager, ifindex);
if (ip6_config_merge_and_apply (self, NULL, &reason) == FALSE) {
nm_log_warn (LOGD_DHCP6, "(%s): failed to update IPv6 config in response to Router Advertisement.",
nm_device_get_ip_iface (self));
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
}
static gboolean
addrconf6_start (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
gboolean success;
connection = nm_device_get_connection (self);
g_assert (connection);
g_warn_if_fail (priv->ac_ip6_config == NULL);
if (priv->ac_ip6_config) {
g_object_unref (priv->ac_ip6_config);
priv->ac_ip6_config = NULL;
}
if (!priv->ip6_manager) {
priv->ip6_manager = nm_ip6_manager_get ();
priv->ip6_addrconf_sigid = g_signal_connect (priv->ip6_manager,
"addrconf-complete",
G_CALLBACK (ip6_addrconf_complete),
self);
priv->ip6_config_changed_sigid = g_signal_connect (priv->ip6_manager,
"config-changed",
G_CALLBACK (ip6_config_changed),
self);
}
success = nm_ip6_manager_prepare_interface (priv->ip6_manager,
nm_device_get_ip_ifindex (self),
nm_connection_get_setting_ip6_config (connection),
priv->ip6_accept_ra_path);
if (success) {
priv->ip6_waiting_for_config = TRUE;
nm_ip6_manager_begin_addrconf (priv->ip6_manager, nm_device_get_ip_ifindex (self));
}
return success;
}
static void
addrconf6_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->ac_ip6_config) {
g_object_unref (priv->ac_ip6_config);
priv->ac_ip6_config = NULL;
}
if (!priv->ip6_manager)
return;
if (priv->ip6_addrconf_sigid) {
g_signal_handler_disconnect (priv->ip6_manager,
priv->ip6_addrconf_sigid);
priv->ip6_addrconf_sigid = 0;
}
if (priv->ip6_config_changed_sigid) {
g_signal_handler_disconnect (priv->ip6_manager,
priv->ip6_config_changed_sigid);
priv->ip6_config_changed_sigid = 0;
}
nm_ip6_manager_cancel_addrconf (priv->ip6_manager, nm_device_get_ip_ifindex (self));
g_object_unref (priv->ip6_manager);
priv->ip6_manager = NULL;
}
/******************************************/
static NMActStageReturn
real_act_stage3_ip6_config_start (NMDevice *self,
NMIP6Config **out_config,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *ip_iface;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
NMConnection *connection;
NMSettingIP6Config *s_ip6;
int conf_use_tempaddr;
NMSettingIP6ConfigPrivacy ip6_privacy = NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
const char *ip6_privacy_str = "0\n";
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_device_get_connection (self);
g_assert (connection);
ip_iface = nm_device_get_ip_iface (self);
update_accept_ra_save (self);
update_ip6_privacy_save (self);
priv->dhcp6_mode = IP6_DHCP_OPT_NONE;
if ( ip6_method_matches (connection, NM_SETTING_IP6_CONFIG_METHOD_AUTO)
|| ip6_method_matches (connection, NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL)) {
if (!addrconf6_start (self)) {
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
ret = NM_ACT_STAGE_RETURN_FAILURE;
} else
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else if (ip6_method_matches (connection, NM_SETTING_IP6_CONFIG_METHOD_DHCP)) {
/* Router advertisements shouldn't be used in pure DHCP mode */
if (priv->ip6_accept_ra_path)
nm_utils_do_sysctl (priv->ip6_accept_ra_path, "0\n");
priv->dhcp6_mode = IP6_DHCP_OPT_MANAGED;
ret = dhcp6_start (self, connection, priv->dhcp6_mode, reason);
} else if (ip6_method_matches (connection, NM_SETTING_IP6_CONFIG_METHOD_IGNORE)) {
/* reset the saved RA value when ipv6 is ignored */
if (priv->ip6_accept_ra_path) {
nm_utils_do_sysctl (priv->ip6_accept_ra_path,
priv->ip6_accept_ra_save ? "1\n" : "0\n");
}
ret = NM_ACT_STAGE_RETURN_STOP;
} else if (ip6_method_matches (connection, NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) {
/* New blank config */
*out_config = nm_ip6_config_new ();
g_assert (*out_config);
/* Router advertisements shouldn't be used in manual mode */
if (priv->ip6_accept_ra_path)
nm_utils_do_sysctl (priv->ip6_accept_ra_path, "0\n");
ret = NM_ACT_STAGE_RETURN_SUCCESS;
} else {
nm_log_warn (LOGD_IP6, "(%s): unhandled IPv6 config method; will fail",
nm_device_get_ip_iface (self));
}
/* Other methods (shared) aren't implemented yet */
/* Enable/disable IPv6 Privacy Extensions.
* If a global value is configured by sysadmin (e.g. /etc/sysctl.conf),
* use that value instead of per-connection value.
*/
conf_use_tempaddr = nm_backend_ipv6_use_tempaddr ();
if (conf_use_tempaddr >= 0)
ip6_privacy = conf_use_tempaddr;
else {
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (s_ip6)
ip6_privacy = nm_setting_ip6_config_get_ip6_privacy (s_ip6);
}
ip6_privacy = CLAMP (ip6_privacy, NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN, NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR);
switch (ip6_privacy) {
case NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN:
case NM_SETTING_IP6_CONFIG_PRIVACY_DISABLED:
ip6_privacy_str = "0\n";
break;
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR:
ip6_privacy_str = "1\n";
break;
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR:
ip6_privacy_str = "2\n";
break;
}
if (priv->ip6_privacy_tempaddr_path)
nm_utils_do_sysctl (priv->ip6_privacy_tempaddr_path, ip6_privacy_str);
return ret;
}
/*
* nm_device_activate_stage3_ip_config_start
*
* Begin automatic/manual IP configuration
*
*/
static gboolean
nm_device_activate_stage3_ip_config_start (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *iface;
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
NMIP4Config *ip4_config = NULL;
NMIP6Config *ip6_config = NULL;
int ifindex;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 3 of 5 (IP Configure Start) started...", iface);
nm_device_state_changed (self, NM_DEVICE_STATE_IP_CONFIG, NM_DEVICE_STATE_REASON_NONE);
/* Make sure the interface is up before trying to do anything with it */
ifindex = nm_device_get_ip_ifindex (self);
if ((ifindex > 0) && (nm_system_iface_is_up (ifindex) == FALSE))
nm_system_iface_set_up (ifindex, TRUE, NULL);
priv->ip4_state = priv->ip6_state = IP_CONF;
ret = NM_DEVICE_GET_CLASS (self)->act_stage3_ip4_config_start (self, &ip4_config, &reason);
if (ret == NM_ACT_STAGE_RETURN_SUCCESS) {
g_assert (ip4_config);
nm_device_activate_schedule_ip4_config_result (self, ip4_config);
g_object_unref (ip4_config);
} else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
} else if (ret == NM_ACT_STAGE_RETURN_STOP) {
/* Nothing to do */
priv->ip4_state = IP_DONE;
} else
g_assert (ret == NM_ACT_STAGE_RETURN_POSTPONE);
ret = NM_DEVICE_GET_CLASS (self)->act_stage3_ip6_config_start (self, &ip6_config, &reason);
if (ret == NM_ACT_STAGE_RETURN_SUCCESS) {
g_assert (ip6_config);
nm_device_activate_schedule_ip6_config_result (self, ip6_config);
g_object_unref (ip6_config);
} else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
} else if (ret == NM_ACT_STAGE_RETURN_STOP) {
/* Nothing to do */
priv->ip6_state = IP_DONE;
} else
g_assert (ret == NM_ACT_STAGE_RETURN_POSTPONE);
out:
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 3 of 5 (IP Configure Start) complete.", iface);
/* Handle interfaces (bond slaves, etc) that won't have any IP config; they
* need to move to ACTIVATED.
*/
if (priv->ip4_state == IP_DONE && priv->ip6_state == IP_DONE) {
/* FIXME: call layer2 stuff to set MTU? */
nm_device_state_changed (self, NM_DEVICE_STATE_ACTIVATED, NM_DEVICE_STATE_REASON_NONE);
}
return FALSE;
}
static void
fw_add_to_zone_cb (GError *error, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->fw_call = NULL;
if (error) {
/* FIXME: fail the device activation? */
}
activation_source_schedule (self, nm_device_activate_stage3_ip_config_start, 0);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 3 of 5 (IP Configure Start) scheduled.",
nm_device_get_iface (self));
}
/*
* nm_device_activate_schedule_stage3_ip_config_start
*
* Schedule IP configuration start
*/
void
nm_device_activate_schedule_stage3_ip_config_start (NMDevice *self)
{
NMDevicePrivate *priv;
NMConnection *connection;
NMSettingConnection *s_con = NULL;
NMDeviceState state;
const char *zone;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
state = nm_device_get_state (self);
if (nm_act_request_get_assumed (priv->act_request) == FALSE)
g_warn_if_fail (state >= NM_DEVICE_STATE_PREPARE && state <= NM_DEVICE_STATE_NEED_AUTH);
/* Add the interface to the specified firewall zone */
connection = nm_device_get_connection (self);
g_assert (connection);
s_con = nm_connection_get_setting_connection (connection);
zone = nm_setting_connection_get_zone (s_con);
nm_log_dbg (LOGD_DEVICE, "Activation (%s) setting firewall zone '%s'",
nm_device_get_iface (self), zone ? zone : "default");
priv->fw_call = nm_firewall_manager_add_or_change_zone (priv->fw_manager,
nm_device_get_ip_iface (self),
zone,
TRUE,
fw_add_to_zone_cb,
self);
}
static NMActStageReturn
real_act_stage4_ip4_config_timeout (NMDevice *self, NMDeviceStateReason *reason)
{
if (nm_device_ip_config_should_fail (self, FALSE)) {
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
/*
* nm_device_activate_stage4_ip4_config_timeout
*
* Time out on retrieving the IPv4 config.
*
*/
static gboolean
nm_device_activate_ip4_config_timeout (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *iface;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 4 of 5 (IPv4 Configure Timeout) started...",
iface);
ret = NM_DEVICE_GET_CLASS (self)->act_stage4_ip4_config_timeout (self, &reason);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE)
goto out;
else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
priv->ip4_state = IP_DONE;
/* If IPv4 failed and IPv6 failed, the activation fails */
if ((priv->ip6_state == IP_DONE) && (priv->ip6_config == NULL)) {
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
}
out:
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 4 of 5 (IPv4 Configure Timeout) complete.",
iface);
return FALSE;
}
/*
* nm_device_activate_schedule_ip4_config_timeout
*
* Deal with a timeout of the IPv4 configuration
*
*/
void
nm_device_activate_schedule_ip4_config_timeout (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
activation_source_schedule (self, nm_device_activate_ip4_config_timeout, AF_INET);
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 4 of 5 (IPv4 Configure Timeout) scheduled...",
nm_device_get_iface (self));
}
static NMActStageReturn
real_act_stage4_ip6_config_timeout (NMDevice *self, NMDeviceStateReason *reason)
{
if (nm_device_ip_config_should_fail (self, TRUE)) {
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
/*
* nm_device_activate_ip6_config_timeout
*
* Time out on retrieving the IPv6 config.
*
*/
static gboolean
nm_device_activate_ip6_config_timeout (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *iface;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET6);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE | LOGD_IP6,
"Activation (%s) Stage 4 of 5 (IPv6 Configure Timeout) started...",
iface);
ret = NM_DEVICE_GET_CLASS (self)->act_stage4_ip6_config_timeout (self, &reason);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE)
goto out;
else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
priv->ip6_state = IP_DONE;
/* If IPv6 failed and IPv4 failed, the activation fails */
if ((priv->ip4_state == IP_DONE) && (priv->ip4_config == NULL)) {
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
}
out:
nm_log_info (LOGD_DEVICE | LOGD_IP6,
"Activation (%s) Stage 4 of 5 (IPv6 Configure Timeout) complete.",
iface);
return FALSE;
}
/*
* nm_device_activate_schedule_ip6_config_timeout
*
* Deal with a timeout of the IPv6 configuration
*
*/
void
nm_device_activate_schedule_ip6_config_timeout (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
activation_source_schedule (self, nm_device_activate_ip6_config_timeout, AF_INET6);
nm_log_info (LOGD_DEVICE | LOGD_IP6,
"Activation (%s) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...",
nm_device_get_iface (self));
}
static void
share_child_setup (gpointer user_data G_GNUC_UNUSED)
{
/* We are in the child process at this point */
pid_t pid = getpid ();
setpgid (pid, pid);
nm_unblock_posix_signals (NULL);
}
static gboolean
share_init (void)
{
int status;
char *modules[] = { "ip_tables", "iptable_nat", "nf_nat_ftp", "nf_nat_irc",
"nf_nat_sip", "nf_nat_tftp", "nf_nat_pptp", "nf_nat_h323",
NULL };
char **iter;
if (!nm_utils_do_sysctl ("/proc/sys/net/ipv4/ip_forward", "1\n")) {
nm_log_err (LOGD_SHARING, "Error starting IP forwarding: (%d) %s",
errno, strerror (errno));
return FALSE;
}
if (!nm_utils_do_sysctl ("/proc/sys/net/ipv4/ip_dynaddr", "1\n")) {
nm_log_err (LOGD_SHARING, "error starting IP forwarding: (%d) %s",
errno, strerror (errno));
}
for (iter = modules; *iter; iter++) {
char *argv[3] = { "/sbin/modprobe", *iter, NULL };
char *envp[1] = { NULL };
GError *error = NULL;
if (!g_spawn_sync ("/", argv, envp, G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL,
share_child_setup, NULL, NULL, NULL, &status, &error)) {
nm_log_err (LOGD_SHARING, "error loading NAT module %s: (%d) %s",
*iter, error ? error->code : 0,
(error && error->message) ? error->message : "unknown");
if (error)
g_error_free (error);
}
}
return TRUE;
}
static void
add_share_rule (NMActRequest *req, const char *table, const char *fmt, ...)
{
va_list args;
char *cmd;
va_start (args, fmt);
cmd = g_strdup_vprintf (fmt, args);
va_end (args);
nm_act_request_add_share_rule (req, table, cmd);
g_free (cmd);
}
static gboolean
start_sharing (NMDevice *self, NMIP4Config *config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActRequest *req;
GError *error = NULL;
char str_addr[INET_ADDRSTRLEN + 1];
char str_mask[INET_ADDRSTRLEN + 1];
guint32 netmask, network;
NMIP4Address *ip4_addr;
const char *ip_iface;
g_return_val_if_fail (config != NULL, FALSE);
ip_iface = nm_device_get_ip_iface (self);
ip4_addr = nm_ip4_config_get_address (config, 0);
if (!ip4_addr || !nm_ip4_address_get_address (ip4_addr))
return FALSE;
netmask = nm_utils_ip4_prefix_to_netmask (nm_ip4_address_get_prefix (ip4_addr));
if (!inet_ntop (AF_INET, &netmask, str_mask, sizeof (str_mask)))
return FALSE;
network = nm_ip4_address_get_address (ip4_addr) & netmask;
if (!inet_ntop (AF_INET, &network, str_addr, sizeof (str_addr)))
return FALSE;
if (!share_init ())
return FALSE;
req = nm_device_get_act_request (self);
g_assert (req);
add_share_rule (req, "filter", "INPUT --in-interface %s --protocol tcp --destination-port 53 --jump ACCEPT", ip_iface);
add_share_rule (req, "filter", "INPUT --in-interface %s --protocol udp --destination-port 53 --jump ACCEPT", ip_iface);
add_share_rule (req, "filter", "INPUT --in-interface %s --protocol tcp --destination-port 67 --jump ACCEPT", ip_iface);
add_share_rule (req, "filter", "INPUT --in-interface %s --protocol udp --destination-port 67 --jump ACCEPT", ip_iface);
add_share_rule (req, "filter", "FORWARD --in-interface %s --jump REJECT", ip_iface);
add_share_rule (req, "filter", "FORWARD --out-interface %s --jump REJECT", ip_iface);
add_share_rule (req, "filter", "FORWARD --in-interface %s --out-interface %s --jump ACCEPT", ip_iface, ip_iface);
add_share_rule (req, "filter", "FORWARD --source %s/%s --in-interface %s --jump ACCEPT", str_addr, str_mask, ip_iface);
add_share_rule (req, "filter", "FORWARD --destination %s/%s --out-interface %s --match state --state ESTABLISHED,RELATED --jump ACCEPT", str_addr, str_mask, ip_iface);
add_share_rule (req, "nat", "POSTROUTING --source %s/%s ! --destination %s/%s --jump MASQUERADE", str_addr, str_mask, str_addr, str_mask);
nm_act_request_set_shared (req, TRUE);
if (!nm_dnsmasq_manager_start (priv->dnsmasq_manager, config, &error)) {
nm_log_err (LOGD_SHARING, "(%s/%s): failed to start dnsmasq: %s",
nm_device_get_iface (self), ip_iface, error->message);
g_error_free (error);
nm_act_request_set_shared (req, FALSE);
return FALSE;
}
priv->dnsmasq_state_id = g_signal_connect (priv->dnsmasq_manager, "state-changed",
G_CALLBACK (dnsmasq_state_changed_cb),
self);
return TRUE;
}
static gboolean
nm_device_activate_ip4_config_commit (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActRequest *req;
NMIP4Config *config = NULL;
const char *iface, *method = NULL;
NMConnection *connection;
NMSettingIP4Config *s_ip4;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
gboolean assumed;
int ifindex;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 5 of 5 (IPv4 Commit) started...",
iface);
req = nm_device_get_act_request (self);
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (connection);
config = g_object_get_data (G_OBJECT (req), PENDING_IP4_CONFIG);
g_assert (config);
/* Make sure the interface is up again just because */
ifindex = nm_device_get_ip_ifindex (self);
if ((ifindex > 0) && (nm_system_iface_is_up (ifindex) == FALSE))
nm_system_iface_set_up (ifindex, TRUE, NULL);
/* Allow setting MTU etc */
if (NM_DEVICE_GET_CLASS (self)->ip4_config_pre_commit)
NM_DEVICE_GET_CLASS (self)->ip4_config_pre_commit (self, config);
/* Merge with user overrides */
nm_utils_merge_ip4_config (config, nm_connection_get_setting_ip4_config (connection));
assumed = nm_act_request_get_assumed (priv->act_request);
if (!nm_device_set_ip4_config (self, config, assumed, &reason)) {
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 5 of 5 (IPv4 Commit) failed",
iface);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
/* Start IPv4 sharing if we need it */
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4)
method = nm_setting_ip4_config_get_method (s_ip4);
if (g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_SHARED) == 0) {
if (!start_sharing (self, config)) {
nm_log_warn (LOGD_SHARING, "Activation (%s) Stage 5 of 5 (IPv4 Commit) start sharing failed.", iface);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_SHARED_START_FAILED);
goto out;
}
}
/* Enter the ACTIVATED state if this is the first method to complete */
priv->ip4_state = IP_DONE;
if (nm_device_get_state (self) == NM_DEVICE_STATE_IP_CONFIG)
nm_device_state_changed (self, NM_DEVICE_STATE_ACTIVATED, NM_DEVICE_STATE_REASON_NONE);
out:
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 5 of 5 (IPv4 Commit) complete.",
iface);
/* Balance IP config creation; nm_device_set_ip4_config() takes a reference */
g_object_set_data (G_OBJECT (req), PENDING_IP4_CONFIG, NULL);
return FALSE;
}
void
nm_device_activate_schedule_ip4_config_result (NMDevice *self, NMIP4Config *config)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
if (config == NULL) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
return;
}
g_object_set_data_full (G_OBJECT (priv->act_request),
PENDING_IP4_CONFIG,
g_object_ref (config),
g_object_unref);
activation_source_schedule (self, nm_device_activate_ip4_config_commit, AF_INET);
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 5 of 5 (IPv4 Configure Commit) scheduled...",
nm_device_get_iface (self));
}
gboolean
nm_device_activate_ip4_state_in_conf (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
return NM_DEVICE_GET_PRIVATE (self)->ip4_state == IP_CONF;
}
static gboolean
nm_device_activate_ip6_config_commit (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActRequest *req;
NMIP6Config *config = NULL;
const char *iface;
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
int ifindex;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET6);
iface = nm_device_get_iface (self);
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 5 of 5 (IPv6 Commit) started...",
iface);
req = nm_device_get_act_request (self);
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (connection);
config = g_object_get_data (G_OBJECT (req), PENDING_IP6_CONFIG);
g_assert (config);
/* Make sure the interface is up again just because */
ifindex = nm_device_get_ip_ifindex (self);
if ((ifindex > 0) && (nm_system_iface_is_up (ifindex) == FALSE))
nm_system_iface_set_up (ifindex, TRUE, NULL);
/* Allow setting MTU etc */
if (NM_DEVICE_GET_CLASS (self)->ip6_config_pre_commit)
NM_DEVICE_GET_CLASS (self)->ip6_config_pre_commit (self, config);
if (ip6_config_merge_and_apply (self, config, &reason)) {
/* Enter the ACTIVATED state if this is the first method to complete */
priv->ip6_state = IP_DONE;
if (nm_device_get_state (self) == NM_DEVICE_STATE_IP_CONFIG)
nm_device_state_changed (self, NM_DEVICE_STATE_ACTIVATED, NM_DEVICE_STATE_REASON_NONE);
} else {
nm_log_info (LOGD_DEVICE | LOGD_IP6,
"Activation (%s) Stage 5 of 5 (IPv6 Commit) failed",
iface);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
nm_log_info (LOGD_DEVICE, "Activation (%s) Stage 5 of 5 (IPv6 Commit) complete.",
iface);
/* Balance IP config creation; nm_device_set_ip6_config() takes a reference */
g_object_set_data (G_OBJECT (req), PENDING_IP6_CONFIG, NULL);
return FALSE;
}
void
nm_device_activate_schedule_ip6_config_result (NMDevice *self, NMIP6Config *config)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
if (config == NULL) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
return;
}
/* Save the pending config */
g_object_set_data_full (G_OBJECT (priv->act_request),
PENDING_IP6_CONFIG,
g_object_ref (config),
g_object_unref);
activation_source_schedule (self, nm_device_activate_ip6_config_commit, AF_INET6);
nm_log_info (LOGD_DEVICE | LOGD_IP4,
"Activation (%s) Stage 5 of 5 (IPv6 Commit) scheduled...",
nm_device_get_iface (self));
}
gboolean
nm_device_activate_ip6_state_in_conf (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
return NM_DEVICE_GET_PRIVATE (self)->ip6_state == IP_CONF;
}
static void
clear_act_request (NMDevice *self)
{
NMDevicePrivate * priv;
g_return_if_fail (self != NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
if (!priv->act_request)
return;
if (priv->secrets_updated_id) {
g_signal_handler_disconnect (priv->act_request,
priv->secrets_updated_id);
priv->secrets_updated_id = 0;
}
if (priv->secrets_failed_id) {
g_signal_handler_disconnect (priv->act_request,
priv->secrets_failed_id);
priv->secrets_failed_id = 0;
}
nm_active_connection_set_default (NM_ACTIVE_CONNECTION (priv->act_request), FALSE);
g_object_unref (priv->act_request);
priv->act_request = NULL;
}
static void
dhcp4_cleanup (NMDevice *self, gboolean stop, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->dhcp4_config) {
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP4_CONFIG);
g_object_unref (priv->dhcp4_config);
priv->dhcp4_config = NULL;
}
if (priv->dhcp4_client) {
/* Stop any ongoing DHCP transaction on this device */
if (priv->dhcp4_state_sigid) {
g_signal_handler_disconnect (priv->dhcp4_client, priv->dhcp4_state_sigid);
priv->dhcp4_state_sigid = 0;
}
if (priv->dhcp4_timeout_sigid) {
g_signal_handler_disconnect (priv->dhcp4_client, priv->dhcp4_timeout_sigid);
priv->dhcp4_timeout_sigid = 0;
}
if (stop)
nm_dhcp_client_stop (priv->dhcp4_client, release);
g_object_unref (priv->dhcp4_client);
priv->dhcp4_client = NULL;
}
}
static void
dhcp6_cleanup (NMDevice *self, gboolean stop, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->dhcp6_mode = IP6_DHCP_OPT_NONE;
if (priv->dhcp6_ip6_config) {
g_object_unref (priv->dhcp6_ip6_config);
priv->dhcp6_ip6_config = NULL;
}
if (priv->dhcp6_config) {
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP6_CONFIG);
g_object_unref (priv->dhcp6_config);
priv->dhcp6_config = NULL;
}
if (priv->dhcp6_client) {
if (priv->dhcp6_state_sigid) {
g_signal_handler_disconnect (priv->dhcp6_client, priv->dhcp6_state_sigid);
priv->dhcp6_state_sigid = 0;
}
if (priv->dhcp6_timeout_sigid) {
g_signal_handler_disconnect (priv->dhcp6_client, priv->dhcp6_timeout_sigid);
priv->dhcp6_timeout_sigid = 0;
}
if (stop)
nm_dhcp_client_stop (priv->dhcp6_client, release);
g_object_unref (priv->dhcp6_client);
priv->dhcp6_client = NULL;
}
}
static void
dnsmasq_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (!priv->dnsmasq_manager)
return;
if (priv->dnsmasq_state_id) {
g_signal_handler_disconnect (priv->dnsmasq_manager, priv->dnsmasq_state_id);
priv->dnsmasq_state_id = 0;
}
nm_dnsmasq_manager_stop (priv->dnsmasq_manager);
g_object_unref (priv->dnsmasq_manager);
priv->dnsmasq_manager = NULL;
}
static void
_update_ip4_address (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
struct ifreq req;
guint32 new_address;
int fd;
g_return_if_fail (self != NULL);
fd = socket (PF_INET, SOCK_DGRAM, 0);
if (fd < 0) {
nm_log_err (LOGD_IP4, "couldn't open control socket.");
return;
}
memset (&req, 0, sizeof (struct ifreq));
strncpy (req.ifr_name, nm_device_get_ip_iface (self), IFNAMSIZ);
if (ioctl (fd, SIOCGIFADDR, &req) == 0) {
new_address = ((struct sockaddr_in *)(&req.ifr_addr))->sin_addr.s_addr;
if (new_address != priv->ip4_address)
priv->ip4_address = new_address;
}
close (fd);
}
/*
* nm_device_deactivate
*
* Remove a device's routing table entries and IP address.
*
*/
static void
nm_device_deactivate (NMDevice *self, NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
NMDeviceStateReason ignored = NM_DEVICE_STATE_REASON_NONE;
NMConnection *connection = NULL;
NMSettingConnection *s_con = NULL;
gboolean tried_ipv6 = FALSE;
int ifindex, family;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
nm_log_info (LOGD_DEVICE, "(%s): deactivating device (reason '%s') [%d]",
nm_device_get_iface (self), reason_to_string (reason), reason);
/* Save whether or not we tried IPv6 for later */
priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->ip6_manager || priv->ip6_config)
tried_ipv6 = TRUE;
/* Clean up when device was deactivated during call to firewall */
if (priv->fw_call) {
nm_firewall_manager_cancel_call (priv->fw_manager, priv->fw_call);
priv->fw_call = NULL;
}
if (priv->act_request)
connection = nm_act_request_get_connection (priv->act_request);
if (connection) {
s_con = nm_connection_get_setting_connection (connection);
nm_firewall_manager_remove_from_zone (priv->fw_manager,
nm_device_get_ip_iface (self),
nm_setting_connection_get_zone (s_con));
}
/* Break the activation chain */
activation_source_clear (self, TRUE, AF_INET);
activation_source_clear (self, TRUE, AF_INET6);
if (priv->act_dep_result_id) {
g_source_remove (priv->act_dep_result_id);
priv->act_dep_result_id = 0;
}
if (priv->act_dep_timeout_id) {
g_source_remove (priv->act_dep_timeout_id);
priv->act_dep_timeout_id = 0;
}
/* Clear any queued transitions */
nm_device_queued_state_clear (self);
priv->ip4_state = priv->ip6_state = IP_NONE;
dhcp4_cleanup (self, TRUE, FALSE);
dhcp6_cleanup (self, TRUE, FALSE);
addrconf6_cleanup (self);
dnsmasq_cleanup (self);
aipd_cleanup (self);
nm_device_set_ip_iface (self, NULL);
/* Turn off router advertisements until they are needed */
if (priv->ip6_accept_ra_path)
nm_utils_do_sysctl (priv->ip6_accept_ra_path, "0\n");
/* Turn off IPv6 privacy extensions */
if (priv->ip6_privacy_tempaddr_path)
nm_utils_do_sysctl (priv->ip6_privacy_tempaddr_path, "0\n");
/* Call device type-specific deactivation */
if (NM_DEVICE_GET_CLASS (self)->deactivate)
NM_DEVICE_GET_CLASS (self)->deactivate (self);
/* Tear down an existing activation request */
clear_act_request (self);
/* Take out any entries in the routing table and any IP address the device had. */
ifindex = nm_device_get_ip_ifindex (self);
family = tried_ipv6 ? AF_UNSPEC : AF_INET;
if (ifindex > 0) {
nm_system_iface_flush_routes (ifindex, family);
nm_system_iface_flush_addresses (ifindex, family);
}
_update_ip4_address (self);
/* Clean up nameservers and addresses */
nm_device_set_ip4_config (self, NULL, FALSE, &ignored);
nm_device_set_ip6_config (self, NULL, &ignored);
}
static void
disconnect_cb (NMDevice *device,
DBusGMethodInvocation *context,
GError *error,
gpointer user_data)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
GError *local = NULL;
if (error)
dbus_g_method_return_error (context, error);
else {
/* Authorized */
if (priv->state <= NM_DEVICE_STATE_DISCONNECTED) {
local = g_error_new_literal (NM_DEVICE_ERROR,
NM_DEVICE_ERROR_NOT_ACTIVE,
"Device is not active");
dbus_g_method_return_error (context, local);
g_error_free (local);
} else {
priv->autoconnect = FALSE;
nm_device_state_changed (device,
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
dbus_g_method_return (context);
}
}
}
static void
impl_device_disconnect (NMDevice *device, DBusGMethodInvocation *context)
{
GError *error = NULL;
if (NM_DEVICE_GET_PRIVATE (device)->act_request == NULL) {
error = g_error_new_literal (NM_DEVICE_ERROR,
NM_DEVICE_ERROR_NOT_ACTIVE,
"This device is not active");
dbus_g_method_return_error (context, error);
g_error_free (error);
return;
}
/* Ask the manager to authenticate this request for us */
g_signal_emit (device, signals[AUTH_REQUEST], 0,
context,
NM_AUTH_PERMISSION_NETWORK_CONTROL,
TRUE,
disconnect_cb,
NULL);
}
static gboolean
act_dep_timeout_cb (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
connection = nm_active_connection_get_connection (NM_ACTIVE_CONNECTION (priv->act_request));
nm_log_warn (LOGD_DEVICE,
"Activation (%s) connection '%s' dependency timed out",
nm_device_get_iface (self),
nm_connection_get_id (connection));
nm_device_queue_state (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED);
return FALSE;
}
static void
act_dep_result_cb (NMActRequest *req,
NMActRequestDependencyResult result,
NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
connection = nm_active_connection_get_connection (NM_ACTIVE_CONNECTION (priv->act_request));
switch (result) {
case NM_ACT_REQUEST_DEP_RESULT_FAILED:
g_source_remove (priv->act_dep_result_id);
priv->act_dep_result_id = 0;
nm_log_warn (LOGD_DEVICE,
"Activation (%s) connection '%s' dependency failed",
nm_device_get_iface (self),
nm_connection_get_id (connection));
nm_device_queue_state (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED);
break;
case NM_ACT_REQUEST_DEP_RESULT_READY:
g_warn_if_fail (priv->state == NM_DEVICE_STATE_PREPARE);
if (priv->state == NM_DEVICE_STATE_PREPARE) {
nm_log_info (LOGD_DEVICE,
"Activation (%s) connection '%s' dependency ready, continuing activation",
nm_device_get_iface (self),
nm_connection_get_id (connection));
nm_device_activate_schedule_stage1_device_prepare (self);
}
break;
case NM_ACT_REQUEST_DEP_RESULT_WAIT:
default:
g_assert_not_reached ();
break;
}
}
gboolean
nm_device_activate (NMDevice *self, NMActRequest *req, GError **error)
{
NMDevicePrivate *priv;
NMConnection *connection;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (req != NULL, FALSE);
g_return_val_if_fail (NM_IS_ACT_REQUEST (req), FALSE);
priv = NM_DEVICE_GET_PRIVATE (self);
connection = nm_act_request_get_connection (req);
g_assert (connection);
nm_log_info (LOGD_DEVICE, "Activation (%s) starting connection '%s'",
nm_device_get_iface (self),
nm_connection_get_id (connection));
/* Make sure this connection isn't activated already, or in the process of
* being activated.
*/
if ( nm_device_is_activating (self)
|| (nm_device_get_state (self) == NM_DEVICE_STATE_ACTIVATED)) {
NMConnection *new = nm_act_request_get_connection (req);
NMConnection *current = nm_act_request_get_connection (priv->act_request);
if (new == current) {
g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CONNECTION_ACTIVATING,
"Connection is already activating");
return FALSE;
}
}
priv->act_request = g_object_ref (req);
g_object_notify (G_OBJECT (self), NM_DEVICE_ACTIVE_CONNECTION);
if (!nm_act_request_get_assumed (req)) {
NMActiveConnection *dep_ac;
NMConnection *dep_con;
/* HACK: update the state a bit early to avoid a race between the
* scheduled stage1 handler and nm_policy_device_change_check() thinking
* that the activation request isn't deferred because the deferred bit
* gets cleared a bit too early, when the connection becomes valid.
*/
nm_device_state_changed (self, NM_DEVICE_STATE_PREPARE, NM_DEVICE_STATE_REASON_NONE);
/* Handle any dependencies this connection might have */
switch (nm_act_request_get_dependency_result (priv->act_request)) {
case NM_ACT_REQUEST_DEP_RESULT_FAILED:
nm_device_queue_state (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED);
break;
case NM_ACT_REQUEST_DEP_RESULT_WAIT:
dep_ac = nm_act_request_get_dependency (priv->act_request);
g_assert (dep_ac);
dep_con = nm_active_connection_get_connection (dep_ac);
g_assert (dep_con);
nm_log_info (LOGD_DEVICE, "Activation (%s) connection '%s' waiting on dependency '%s'",
nm_device_get_iface (self),
nm_connection_get_id (connection),
nm_connection_get_id (dep_con));
priv->act_dep_result_id = g_signal_connect (priv->act_request,
NM_ACT_REQUEST_DEPENDENCY_RESULT,
G_CALLBACK (act_dep_result_cb),
self);
priv->act_dep_timeout_id = g_timeout_add_seconds (60, act_dep_timeout_cb, self);
break;
default:
g_warn_if_reached ();
/* fall through */
case NM_ACT_REQUEST_DEP_RESULT_READY:
nm_device_activate_schedule_stage1_device_prepare (self);
break;
}
} else {
/* If it's an assumed connection, let the device subclass short-circuit
* the normal connection process and just copy its IP configs from the
* interface.
*/
nm_device_state_changed (self, NM_DEVICE_STATE_IP_CONFIG, NM_DEVICE_STATE_REASON_NONE);
nm_device_activate_schedule_stage3_ip_config_start (self);
}
return TRUE;
}
/*
* nm_device_is_activating
*
* Return whether or not the device is currently activating itself.
*
*/
gboolean
nm_device_is_activating (NMDevice *device)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
NMDeviceState state;
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
state = nm_device_get_state (device);
if (state >= NM_DEVICE_STATE_PREPARE && state <= NM_DEVICE_STATE_SECONDARIES)
return TRUE;
/* There's a small race between the time when stage 1 is scheduled
* and when the device actually sets STATE_PREPARE when the activation
* handler is actually run. If there's an activation handler scheduled
* we're activating anyway.
*/
return priv->act_source_id ? TRUE : FALSE;
}
gboolean
nm_device_can_interrupt_activation (NMDevice *self)
{
gboolean interrupt = FALSE;
g_return_val_if_fail (self != NULL, FALSE);
if (NM_DEVICE_GET_CLASS (self)->can_interrupt_activation)
interrupt = NM_DEVICE_GET_CLASS (self)->can_interrupt_activation (self);
return interrupt;
}
/* IP Configuration stuff */
NMDHCP4Config *
nm_device_get_dhcp4_config (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
return NM_DEVICE_GET_PRIVATE (self)->dhcp4_config;
}
NMIP4Config *
nm_device_get_ip4_config (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
return NM_DEVICE_GET_PRIVATE (self)->ip4_config;
}
static gboolean
nm_device_set_ip4_config (NMDevice *self,
NMIP4Config *new_config,
gboolean assumed,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv;
const char *ip_iface;
NMIP4Config *old_config = NULL;
gboolean success = TRUE;
NMIP4ConfigCompareFlags diff = NM_IP4_COMPARE_FLAG_ALL;
int ip_ifindex;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (reason != NULL, FALSE);
priv = NM_DEVICE_GET_PRIVATE (self);
ip_iface = nm_device_get_ip_iface (self);
ip_ifindex = nm_device_get_ip_ifindex (self);
old_config = priv->ip4_config;
if (new_config && old_config) {
diff = nm_ip4_config_diff (new_config, old_config);
if (diff == NM_IP4_COMPARE_FLAG_NONE)
return TRUE; /* no actual change */
} else if (!new_config && !old_config)
return TRUE;
priv->ip4_config = NULL;
if (new_config) {
priv->ip4_config = g_object_ref (new_config);
/* Don't touch the device's actual IP config if the connection is
* assumed when NM starts.
*/
if (!assumed)
success = nm_system_apply_ip4_config (ip_ifindex, new_config, nm_device_get_priority (self), diff);
if (success || assumed) {
/* Export over D-Bus */
if (!nm_ip4_config_get_dbus_path (new_config))
nm_ip4_config_export (new_config);
_update_ip4_address (self);
}
}
g_object_notify (G_OBJECT (self), NM_DEVICE_IP4_CONFIG);
g_signal_emit (self, signals[IP4_CONFIG_CHANGED], 0, priv->ip4_config, old_config);
if (old_config)
g_object_unref (old_config);
return success;
}
static gboolean
nm_device_set_ip6_config (NMDevice *self,
NMIP6Config *new_config,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv;
const char *ip_iface;
NMIP6Config *old_config = NULL;
gboolean success = TRUE;
NMIP6ConfigCompareFlags diff = NM_IP6_COMPARE_FLAG_ALL;
int ip_ifindex;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (reason != NULL, FALSE);
priv = NM_DEVICE_GET_PRIVATE (self);
ip_iface = nm_device_get_ip_iface (self);
ip_ifindex = nm_device_get_ip_ifindex (self);
old_config = priv->ip6_config;
if (new_config && old_config) {
diff = nm_ip6_config_diff (new_config, old_config);
if (diff == NM_IP6_COMPARE_FLAG_NONE)
return TRUE; /* no actual change */
} else if (!new_config && !old_config)
return TRUE;
priv->ip6_config = NULL;
if (new_config) {
priv->ip6_config = g_object_ref (new_config);
success = nm_system_apply_ip6_config (ip_ifindex, new_config, nm_device_get_priority (self), diff);
if (success) {
/* Export over D-Bus */
if (!nm_ip6_config_get_dbus_path (new_config))
nm_ip6_config_export (new_config);
}
}
g_object_notify (G_OBJECT (self), NM_DEVICE_IP6_CONFIG);
g_signal_emit (self, signals[IP6_CONFIG_CHANGED], 0, priv->ip6_config, old_config);
if (old_config)
g_object_unref (old_config);
return success;
}
NMDHCP6Config *
nm_device_get_dhcp6_config (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
return NM_DEVICE_GET_PRIVATE (self)->dhcp6_config;
}
NMIP6Config *
nm_device_get_ip6_config (NMDevice *self)
{
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
return NM_DEVICE_GET_PRIVATE (self)->ip6_config;
}
static gboolean
nm_device_is_up (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (NM_DEVICE_GET_CLASS (self)->is_up)
return NM_DEVICE_GET_CLASS (self)->is_up (self);
return TRUE;
}
gboolean
nm_device_hw_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware)
{
gboolean success;
guint32 tries = 0;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (nm_device_hw_is_up (self))
goto out;
nm_log_info (LOGD_HW, "(%s): bringing up device.", nm_device_get_iface (self));
if (NM_DEVICE_GET_CLASS (self)->hw_bring_up) {
success = NM_DEVICE_GET_CLASS (self)->hw_bring_up (self, no_firmware);
if (!success)
return FALSE;
}
/* Wait for the device to come up if requested */
while (block && !nm_device_hw_is_up (self) && (tries++ < 50))
g_usleep (200);
if (!nm_device_hw_is_up (self)) {
nm_log_warn (LOGD_HW, "(%s): device not up after timeout!", nm_device_get_iface (self));
return FALSE;
}
out:
/* Can only get HW address of some devices when they are up */
if (NM_DEVICE_GET_CLASS (self)->update_hw_address)
NM_DEVICE_GET_CLASS (self)->update_hw_address (self);
_update_ip4_address (self);
return TRUE;
}
void
nm_device_hw_take_down (NMDevice *self, gboolean block)
{
guint32 tries = 0;
g_return_if_fail (NM_IS_DEVICE (self));
if (!nm_device_hw_is_up (self))
return;
nm_log_info (LOGD_HW, "(%s): taking down device.", nm_device_get_iface (self));
if (NM_DEVICE_GET_CLASS (self)->hw_take_down)
NM_DEVICE_GET_CLASS (self)->hw_take_down (self);
/* Wait for the device to come up if requested */
while (block && nm_device_hw_is_up (self) && (tries++ < 50))
g_usleep (200);
}
static gboolean
nm_device_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware)
{
gboolean success = FALSE;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (!nm_device_hw_bring_up (self, block, no_firmware))
return FALSE;
if (nm_device_is_up (self))
return TRUE;
nm_log_info (LOGD_HW, "(%s): preparing device.", nm_device_get_iface (self));
if (NM_DEVICE_GET_CLASS (self)->bring_up)
success = NM_DEVICE_GET_CLASS (self)->bring_up (self);
return success;
}
static void
nm_device_take_down (NMDevice *self, gboolean block, NMDeviceStateReason reason)
{
g_return_if_fail (NM_IS_DEVICE (self));
if (nm_device_get_act_request (self))
nm_device_deactivate (self, reason);
if (nm_device_is_up (self)) {
nm_log_info (LOGD_HW, "(%s): cleaning up...", nm_device_get_iface (self));
if (NM_DEVICE_GET_CLASS (self)->take_down)
NM_DEVICE_GET_CLASS (self)->take_down (self);
}
nm_device_hw_take_down (self, block);
}
static void
dispose (GObject *object)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean take_down = TRUE;
if (priv->disposed || !priv->initialized)
goto out;
priv->disposed = TRUE;
/* Don't down can-assume-connection capable devices that are activated with
* a connection that can be assumed.
*/
if (nm_device_can_assume_connections (self) && (priv->state == NM_DEVICE_STATE_ACTIVATED)) {
NMConnection *connection;
NMSettingIP4Config *s_ip4 = NULL;
const char *method = NULL;
connection = nm_device_get_connection (self);
if (connection) {
/* Only static or DHCP IPv4 connections can be left up.
* All IPv6 connections can be left up, so we don't have
* to check that.
*/
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4)
method = nm_setting_ip4_config_get_method (s_ip4);
if ( !method
|| !strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO)
|| !strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL))
take_down = FALSE;
}
}
/* Clear any queued transitions */
nm_device_queued_state_clear (self);
/* Clean up and stop DHCP */
dhcp4_cleanup (self, take_down, FALSE);
dhcp6_cleanup (self, take_down, FALSE);
addrconf6_cleanup (self);
dnsmasq_cleanup (self);
/* Take the device itself down and clear its IPv4 configuration */
if (priv->managed && take_down) {
NMDeviceStateReason ignored = NM_DEVICE_STATE_REASON_NONE;
nm_device_take_down (self, FALSE, NM_DEVICE_STATE_REASON_REMOVED);
nm_device_set_ip4_config (self, NULL, FALSE, &ignored);
}
/* reset the saved RA value */
if (priv->ip6_accept_ra_path) {
nm_utils_do_sysctl (priv->ip6_accept_ra_path,
priv->ip6_accept_ra_save ? "1\n" : "0\n");
}
g_free (priv->ip6_accept_ra_path);
/* reset the saved use_tempaddr value */
if (priv->ip6_privacy_tempaddr_path) {
char tmp[16];
snprintf (tmp, sizeof (tmp), "%d\n", priv->ip6_privacy_tempaddr_save);
nm_utils_do_sysctl (priv->ip6_privacy_tempaddr_path, tmp);
}
g_free (priv->ip6_privacy_tempaddr_path);
if (priv->cp_added_id) {
g_signal_handler_disconnect (priv->con_provider, priv->cp_added_id);
priv->cp_added_id = 0;
}
if (priv->cp_loaded_id) {
g_signal_handler_disconnect (priv->con_provider, priv->cp_loaded_id);
priv->cp_loaded_id = 0;
}
if (priv->cp_removed_id) {
g_signal_handler_disconnect (priv->con_provider, priv->cp_removed_id);
priv->cp_removed_id = 0;
}
if (priv->cp_updated_id) {
g_signal_handler_disconnect (priv->con_provider, priv->cp_updated_id);
priv->cp_updated_id = 0;
}
g_hash_table_unref (priv->available_connections);
activation_source_clear (self, TRUE, AF_INET);
activation_source_clear (self, TRUE, AF_INET6);
clear_act_request (self);
out:
G_OBJECT_CLASS (nm_device_parent_class)->dispose (object);
}
static void
finalize (GObject *object)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->dhcp_manager)
g_object_unref (priv->dhcp_manager);
if (priv->fw_manager)
g_object_unref (priv->fw_manager);
g_free (priv->udi);
g_free (priv->iface);
g_free (priv->ip_iface);
g_free (priv->driver);
g_free (priv->driver_version);
g_free (priv->firmware_version);
g_free (priv->type_desc);
if (priv->dhcp_anycast_address)
g_byte_array_free (priv->dhcp_anycast_address, TRUE);
G_OBJECT_CLASS (nm_device_parent_class)->finalize (object);
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (object);
switch (prop_id) {
case PROP_UDI:
/* Only virtual interfaces can set UDI post-construction */
if (priv->initialized)
g_return_if_fail (nm_system_get_iface_type (priv->ifindex, NULL) != NM_IFACE_TYPE_UNSPEC);
g_free (priv->udi);
priv->udi = g_strdup (g_value_get_string (value));
break;
case PROP_IFACE:
g_free (priv->iface);
priv->ifindex = 0;
priv->iface = g_value_dup_string (value);
/* Only look up the ifindex if it appears to be an actual kernel
* interface name. eg Bluetooth devices won't have one until we know
* the IP interface.
*/
if (priv->iface && !strchr (priv->iface, ':')) {
priv->ifindex = nm_netlink_iface_to_index (priv->iface);
if (priv->ifindex <= 0)
nm_log_warn (LOGD_HW, "(%s): failed to look up interface index", priv->iface);
}
break;
case PROP_IP_IFACE:
break;
case PROP_DRIVER:
g_free (priv->driver);
priv->driver = g_strdup (g_value_get_string (value));
break;
case PROP_DRIVER_VERSION:
g_free (priv->driver_version);
priv->driver_version = g_strdup (g_value_get_string (value));
break;
case PROP_FIRMWARE_VERSION:
g_free (priv->firmware_version);
priv->firmware_version = g_strdup (g_value_get_string (value));
break;
case PROP_CAPABILITIES:
priv->capabilities = g_value_get_uint (value);
break;
case PROP_IP4_ADDRESS:
priv->ip4_address = g_value_get_uint (value);
break;
case PROP_MANAGED:
priv->managed = g_value_get_boolean (value);
break;
case PROP_AUTOCONNECT:
priv->autoconnect = g_value_get_boolean (value);
break;
case PROP_FIRMWARE_MISSING:
priv->firmware_missing = g_value_get_boolean (value);
break;
case PROP_DEVICE_TYPE:
g_return_if_fail (priv->type == NM_DEVICE_TYPE_UNKNOWN);
priv->type = g_value_get_uint (value);
break;
case PROP_TYPE_DESC:
g_free (priv->type_desc);
priv->type_desc = g_value_dup_string (value);
break;
case PROP_RFKILL_TYPE:
priv->rfkill_type = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
_is_connected (NMDeviceState state)
{
return (state >= NM_DEVICE_STATE_IP_CONFIG && state <= NM_DEVICE_STATE_DEACTIVATING);
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState state;
const char *ac_path = NULL;
GPtrArray *array;
GHashTableIter iter;
NMConnection *connection;
state = nm_device_get_state (self);
switch (prop_id) {
case PROP_UDI:
g_value_set_string (value, priv->udi);
break;
case PROP_IFACE:
g_value_set_string (value, priv->iface);
break;
case PROP_IP_IFACE:
if (_is_connected (state))
g_value_set_string (value, nm_device_get_ip_iface (self));
else
g_value_set_string (value, NULL);
break;
case PROP_IFINDEX:
g_value_set_int (value, priv->ifindex);
break;
case PROP_DRIVER:
g_value_set_string (value, priv->driver);
break;
case PROP_DRIVER_VERSION:
g_value_set_string (value, priv->driver_version);
break;
case PROP_FIRMWARE_VERSION:
g_value_set_string (value, priv->firmware_version);
break;
case PROP_CAPABILITIES:
g_value_set_uint (value, priv->capabilities);
break;
case PROP_IP4_ADDRESS:
g_value_set_uint (value, priv->ip4_address);
break;
case PROP_IP4_CONFIG:
if (_is_connected (state) && priv->ip4_config)
g_value_set_boxed (value, nm_ip4_config_get_dbus_path (priv->ip4_config));
else
g_value_set_boxed (value, "/");
break;
case PROP_DHCP4_CONFIG:
if (_is_connected (state) && priv->dhcp4_client)
g_value_set_boxed (value, nm_dhcp4_config_get_dbus_path (priv->dhcp4_config));
else
g_value_set_boxed (value, "/");
break;
case PROP_IP6_CONFIG:
if (_is_connected (state) && priv->ip6_config)
g_value_set_boxed (value, nm_ip6_config_get_dbus_path (priv->ip6_config));
else
g_value_set_boxed (value, "/");
break;
case PROP_DHCP6_CONFIG:
if (_is_connected (state) && priv->dhcp6_client)
g_value_set_boxed (value, nm_dhcp6_config_get_dbus_path (priv->dhcp6_config));
else
g_value_set_boxed (value, "/");
break;
case PROP_STATE:
g_value_set_uint (value, priv->state);
break;
case PROP_STATE_REASON:
g_value_set_boxed (value,
dbus_g_type_specialized_construct (DBUS_G_TYPE_UINT_STRUCT));
dbus_g_type_struct_set (value,
0, priv->state,
1, priv->state_reason,
G_MAXUINT);
break;
case PROP_ACTIVE_CONNECTION:
if (priv->act_request)
ac_path = nm_active_connection_get_path (NM_ACTIVE_CONNECTION (priv->act_request));
g_value_set_boxed (value, ac_path ? ac_path : "/");
break;
case PROP_DEVICE_TYPE:
g_value_set_uint (value, priv->type);
break;
case PROP_MANAGED:
g_value_set_boolean (value, priv->managed);
break;
case PROP_AUTOCONNECT:
g_value_set_boolean (value, priv->autoconnect);
break;
case PROP_FIRMWARE_MISSING:
g_value_set_boolean (value, priv->firmware_missing);
break;
case PROP_TYPE_DESC:
g_value_set_string (value, priv->type_desc);
break;
case PROP_RFKILL_TYPE:
g_value_set_uint (value, priv->rfkill_type);
break;
case PROP_AVAILABLE_CONNECTIONS:
array = g_ptr_array_sized_new (g_hash_table_size (priv->available_connections));
g_hash_table_iter_init (&iter, priv->available_connections);
while (g_hash_table_iter_next (&iter, (gpointer) &connection, NULL))
g_ptr_array_add (array, g_strdup (nm_connection_get_path (connection)));
g_value_take_boxed (value, array);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_device_class_init (NMDeviceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (NMDevicePrivate));
/* Virtual methods */
object_class->dispose = dispose;
object_class->finalize = finalize;
object_class->set_property = set_property;
object_class->get_property = get_property;
object_class->constructor = constructor;
object_class->constructed = constructed;
klass->get_type_capabilities = real_get_type_capabilities;
klass->get_generic_capabilities = real_get_generic_capabilities;
klass->act_stage1_prepare = real_act_stage1_prepare;
klass->act_stage2_config = real_act_stage2_config;
klass->act_stage3_ip4_config_start = real_act_stage3_ip4_config_start;
klass->act_stage3_ip6_config_start = real_act_stage3_ip6_config_start;
klass->act_stage4_ip4_config_timeout = real_act_stage4_ip4_config_timeout;
klass->act_stage4_ip6_config_timeout = real_act_stage4_ip6_config_timeout;
klass->check_connection_available = real_check_connection_available;
/* Properties */
g_object_class_install_property
(object_class, PROP_UDI,
g_param_spec_string (NM_DEVICE_UDI,
"UDI",
"Unique Device Identifier",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
g_object_class_install_property
(object_class, PROP_IFACE,
g_param_spec_string (NM_DEVICE_IFACE,
"Interface",
"Interface",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_IP_IFACE,
g_param_spec_string (NM_DEVICE_IP_IFACE,
"IP Interface",
"IP Interface",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_DRIVER,
g_param_spec_string (NM_DEVICE_DRIVER,
"Driver",
"Driver",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_DRIVER_VERSION,
g_param_spec_string (NM_DEVICE_DRIVER_VERSION,
"Driver Version",
"Driver Version",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_FIRMWARE_VERSION,
g_param_spec_string (NM_DEVICE_FIRMWARE_VERSION,
"Firmware Version",
"Firmware Version",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_CAPABILITIES,
g_param_spec_uint (NM_DEVICE_CAPABILITIES,
"Capabilities",
"Capabilities",
0, G_MAXUINT32, NM_DEVICE_CAP_NONE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_IP4_ADDRESS,
g_param_spec_uint (NM_DEVICE_IP4_ADDRESS,
"IP4 address",
"IP4 address",
0, G_MAXUINT32, 0, /* FIXME */
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_IP4_CONFIG,
g_param_spec_boxed (NM_DEVICE_IP4_CONFIG,
"IP4 Config",
"IP4 Config",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_DHCP4_CONFIG,
g_param_spec_boxed (NM_DEVICE_DHCP4_CONFIG,
"DHCP4 Config",
"DHCP4 Config",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_IP6_CONFIG,
g_param_spec_boxed (NM_DEVICE_IP6_CONFIG,
"IP6 Config",
"IP6 Config",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_DHCP6_CONFIG,
g_param_spec_boxed (NM_DEVICE_DHCP6_CONFIG,
"DHCP6 Config",
"DHCP6 Config",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_STATE,
g_param_spec_uint (NM_DEVICE_STATE,
"State",
"State",
0, G_MAXUINT32, NM_DEVICE_STATE_UNKNOWN,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_STATE_REASON,
g_param_spec_boxed (NM_DEVICE_STATE_REASON,
"StateReason",
"StateReason",
DBUS_G_TYPE_UINT_STRUCT,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_ACTIVE_CONNECTION,
g_param_spec_boxed (NM_DEVICE_ACTIVE_CONNECTION,
"ActiveConnection",
"ActiveConnection",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READABLE));
g_object_class_install_property
(object_class, PROP_DEVICE_TYPE,
g_param_spec_uint (NM_DEVICE_DEVICE_TYPE,
"DeviceType",
"DeviceType",
0, G_MAXUINT32, NM_DEVICE_TYPE_UNKNOWN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | NM_PROPERTY_PARAM_NO_EXPORT));
g_object_class_install_property
(object_class, PROP_MANAGED,
g_param_spec_boolean (NM_DEVICE_MANAGED,
"Managed",
"Managed",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_AUTOCONNECT,
g_param_spec_boolean (NM_DEVICE_AUTOCONNECT,
"Autoconnect",
"Autoconnect",
DEFAULT_AUTOCONNECT,
G_PARAM_READWRITE));
g_object_class_install_property
(object_class, PROP_FIRMWARE_MISSING,
g_param_spec_boolean (NM_DEVICE_FIRMWARE_MISSING,
"FirmwareMissing",
"Firmware missing",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property
(object_class, PROP_TYPE_DESC,
g_param_spec_string (NM_DEVICE_TYPE_DESC,
"Type Description",
"Device type description",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | NM_PROPERTY_PARAM_NO_EXPORT));
g_object_class_install_property
(object_class, PROP_RFKILL_TYPE,
g_param_spec_uint (NM_DEVICE_RFKILL_TYPE,
"Rfkill Type",
"Type of rfkill switch (if any) supported by this device",
RFKILL_TYPE_WLAN,
RFKILL_TYPE_MAX,
RFKILL_TYPE_UNKNOWN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | NM_PROPERTY_PARAM_NO_EXPORT));
g_object_class_install_property
(object_class, PROP_IFINDEX,
g_param_spec_int (NM_DEVICE_IFINDEX,
"Ifindex",
"Ifindex",
0, G_MAXINT, 0,
G_PARAM_READABLE | NM_PROPERTY_PARAM_NO_EXPORT));
g_object_class_install_property
(object_class, PROP_AVAILABLE_CONNECTIONS,
g_param_spec_boxed (NM_DEVICE_AVAILABLE_CONNECTIONS,
"AvailableConnections",
"AvailableConnections",
DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH,
G_PARAM_READABLE));
/* Signals */
signals[STATE_CHANGED] =
g_signal_new ("state-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
_nm_marshal_VOID__UINT_UINT_UINT,
G_TYPE_NONE, 3,
G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT);
signals[AUTOCONNECT_ALLOWED] =
g_signal_new ("autoconnect-allowed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
0,
autoconnect_allowed_accumulator, NULL,
_nm_marshal_BOOLEAN__VOID,
G_TYPE_BOOLEAN, 0);
signals[AUTH_REQUEST] =
g_signal_new (NM_DEVICE_AUTH_REQUEST,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
/* dbus-glib context, permission, allow_interaction, callback, user_data */
_nm_marshal_VOID__POINTER_STRING_BOOLEAN_POINTER_POINTER,
G_TYPE_NONE, 5, G_TYPE_POINTER, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_POINTER, G_TYPE_POINTER);
signals[IP4_CONFIG_CHANGED] =
g_signal_new (NM_DEVICE_IP4_CONFIG_CHANGED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
_nm_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_OBJECT);
signals[IP6_CONFIG_CHANGED] =
g_signal_new (NM_DEVICE_IP6_CONFIG_CHANGED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL,
_nm_marshal_VOID__OBJECT_OBJECT,
G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_OBJECT);
dbus_g_object_type_install_info (G_TYPE_FROM_CLASS (klass),
&dbus_glib_nm_device_interface_object_info);
dbus_g_error_domain_register (NM_DEVICE_ERROR, NULL, NM_TYPE_DEVICE_ERROR);
}
void
nm_device_set_firmware_missing (NMDevice *self, gboolean new_missing)
{
NMDevicePrivate *priv;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->firmware_missing != new_missing) {
priv->firmware_missing = new_missing;
g_object_notify (G_OBJECT (self), NM_DEVICE_FIRMWARE_MISSING);
}
}
gboolean
nm_device_get_firmware_missing (NMDevice *self)
{
return NM_DEVICE_GET_PRIVATE (self)->firmware_missing;
}
static const char *
state_to_string (NMDeviceState state)
{
switch (state) {
case NM_DEVICE_STATE_UNMANAGED:
return "unmanaged";
case NM_DEVICE_STATE_UNAVAILABLE:
return "unavailable";
case NM_DEVICE_STATE_DISCONNECTED:
return "disconnected";
case NM_DEVICE_STATE_PREPARE:
return "prepare";
case NM_DEVICE_STATE_CONFIG:
return "config";
case NM_DEVICE_STATE_NEED_AUTH:
return "need-auth";
case NM_DEVICE_STATE_IP_CONFIG:
return "ip-config";
case NM_DEVICE_STATE_IP_CHECK:
return "ip-check";
case NM_DEVICE_STATE_SECONDARIES:
return "secondaries";
case NM_DEVICE_STATE_ACTIVATED:
return "activated";
case NM_DEVICE_STATE_DEACTIVATING:
return "deactivating";
case NM_DEVICE_STATE_FAILED:
return "failed";
default:
break;
}
return "unknown";
}
static const char *
reason_to_string (NMDeviceStateReason reason)
{
switch (reason) {
case NM_DEVICE_STATE_REASON_NONE:
return "none";
case NM_DEVICE_STATE_REASON_NOW_MANAGED:
return "managed";
case NM_DEVICE_STATE_REASON_NOW_UNMANAGED:
return "unmanaged";
case NM_DEVICE_STATE_REASON_CONFIG_FAILED:
return "config-failed";
case NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE:
return "ip-config-unavailable";
case NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED:
return "ip-config-expired";
case NM_DEVICE_STATE_REASON_NO_SECRETS:
return "no-secrets";
case NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT:
return "supplicant-disconnect";
case NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED:
return "supplicant-config-failed";
case NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED:
return "supplicant-failed";
case NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT:
return "supplicant-timeout";
case NM_DEVICE_STATE_REASON_PPP_START_FAILED:
return "ppp-start-failed";
case NM_DEVICE_STATE_REASON_PPP_DISCONNECT:
return "ppp-disconnect";
case NM_DEVICE_STATE_REASON_PPP_FAILED:
return "ppp-failed";
case NM_DEVICE_STATE_REASON_DHCP_START_FAILED:
return "dhcp-start-failed";
case NM_DEVICE_STATE_REASON_DHCP_ERROR:
return "dhcp-error";
case NM_DEVICE_STATE_REASON_DHCP_FAILED:
return "dhcp-failed";
case NM_DEVICE_STATE_REASON_SHARED_START_FAILED:
return "sharing-start-failed";
case NM_DEVICE_STATE_REASON_SHARED_FAILED:
return "sharing-failed";
case NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED:
return "autoip-start-failed";
case NM_DEVICE_STATE_REASON_AUTOIP_ERROR:
return "autoip-error";
case NM_DEVICE_STATE_REASON_AUTOIP_FAILED:
return "autoip-failed";
case NM_DEVICE_STATE_REASON_MODEM_BUSY:
return "modem-busy";
case NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE:
return "modem-no-dialtone";
case NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER:
return "modem-no-carrier";
case NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT:
return "modem-dial-timeout";
case NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED:
return "modem-dial-failed";
case NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED:
return "modem-init-failed";
case NM_DEVICE_STATE_REASON_GSM_APN_FAILED:
return "gsm-apn-failed";
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING:
return "gsm-registration-idle";
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED:
return "gsm-registration-denied";
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT:
return "gsm-registration-timeout";
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED:
return "gsm-registration-failed";
case NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED:
return "gsm-pin-check-failed";
case NM_DEVICE_STATE_REASON_FIRMWARE_MISSING:
return "firmware-missing";
case NM_DEVICE_STATE_REASON_REMOVED:
return "removed";
case NM_DEVICE_STATE_REASON_SLEEPING:
return "sleeping";
case NM_DEVICE_STATE_REASON_CONNECTION_REMOVED:
return "connection-removed";
case NM_DEVICE_STATE_REASON_USER_REQUESTED:
return "user-requested";
case NM_DEVICE_STATE_REASON_CARRIER:
return "carrier-changed";
case NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED:
return "connection-assumed";
case NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE:
return "supplicant-available";
case NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND:
return "modem-not-found";
case NM_DEVICE_STATE_REASON_BT_FAILED:
return "bluetooth-failed";
case NM_DEVICE_STATE_REASON_GSM_SIM_NOT_INSERTED:
return "gsm-sim-not-inserted";
case NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED:
return "gsm-sim-pin-required";
case NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED:
return "gsm-sim-puk-required";
case NM_DEVICE_STATE_REASON_GSM_SIM_WRONG:
return "gsm-sim-wrong";
case NM_DEVICE_STATE_REASON_INFINIBAND_MODE:
return "infiniband-mode";
case NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED:
return "dependency-failed";
case NM_DEVICE_STATE_REASON_BR2684_FAILED:
return "br2684-bridge-failed";
case NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE:
return "modem-manager-unavailable";
default:
break;
}
return "unknown";
}
void
nm_device_state_changed (NMDevice *device,
NMDeviceState state,
NMDeviceStateReason reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (device);
NMDeviceState old_state;
NMActRequest *req;
gboolean no_firmware = FALSE;
NMConnection *connection;
g_return_if_fail (NM_IS_DEVICE (device));
/* Do nothing if state isn't changing, but as a special case allow
* re-setting UNAVAILABLE if the device is missing firmware so that we
* can retry device initialization.
*/
if ( (priv->state == state)
&& !(state == NM_DEVICE_STATE_UNAVAILABLE && priv->firmware_missing))
return;
old_state = priv->state;
priv->state = state;
priv->state_reason = reason;
nm_log_info (LOGD_DEVICE, "(%s): device state change: %s -> %s (reason '%s') [%d %d %d]",
nm_device_get_iface (device),
state_to_string (old_state),
state_to_string (state),
reason_to_string (reason),
old_state,
state,
reason);
/* Clear any queued transitions */
nm_device_queued_state_clear (device);
/* Cache the activation request for the dispatcher */
req = priv->act_request ? g_object_ref (priv->act_request) : NULL;
/* Update connection timestamps; do this before possibly deactivating the
* device since that will clear the activation request and thus the
* connection, which we need.
*/
if (state == NM_DEVICE_STATE_ACTIVATED || old_state == NM_DEVICE_STATE_ACTIVATED) {
nm_settings_connection_update_timestamp (NM_SETTINGS_CONNECTION (nm_act_request_get_connection (req)),
(guint64) time (NULL), TRUE);
}
if (state <= NM_DEVICE_STATE_UNAVAILABLE)
_clear_available_connections (device, TRUE);
/* Update the available connections list when a device first becomes available */
if ( state >= NM_DEVICE_STATE_DISCONNECTED
&& old_state < NM_DEVICE_STATE_DISCONNECTED)
nm_device_recheck_available_connections (device);
/* Handle the new state here; but anything that could trigger
* another state change should be done below.
*/
switch (state) {
case NM_DEVICE_STATE_UNMANAGED:
nm_device_set_firmware_missing (device, FALSE);
if (old_state > NM_DEVICE_STATE_UNMANAGED)
nm_device_take_down (device, TRUE, reason);
break;
case NM_DEVICE_STATE_UNAVAILABLE:
if (old_state == NM_DEVICE_STATE_UNMANAGED || priv->firmware_missing) {
if (!nm_device_bring_up (device, TRUE, &no_firmware) && no_firmware)
nm_log_warn (LOGD_HW, "(%s): firmware may be missing.", nm_device_get_iface (device));
nm_device_set_firmware_missing (device, no_firmware ? TRUE : FALSE);
}
/* Ensure the device gets deactivated in response to stuff like
* carrier changes or rfkill. But don't deactivate devices that are
* about to assume a connection since that defeats the purpose of
* assuming the device's existing connection.
*/
if (reason != NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED)
nm_device_deactivate (device, reason);
break;
case NM_DEVICE_STATE_DISCONNECTED:
if (old_state != NM_DEVICE_STATE_UNAVAILABLE)
nm_device_deactivate (device, reason);
break;
default:
priv->autoconnect = TRUE;
break;
}
g_object_notify (G_OBJECT (device), NM_DEVICE_STATE);
g_object_notify (G_OBJECT (device), NM_DEVICE_STATE_REASON);
g_signal_emit_by_name (device, "state-changed", state, old_state, reason);
/* Post-process the event after internal notification */
switch (state) {
case NM_DEVICE_STATE_UNAVAILABLE:
/* If the device can activate now (ie, it's got a carrier, the supplicant
* is active, or whatever) schedule a delayed transition to DISCONNECTED
* to get things rolling. The device can't transition immediately because
* we can't change states again from the state handler for a variety of
* reasons.
*/
if (nm_device_is_available (device)) {
nm_log_dbg (LOGD_DEVICE, "(%s): device is available, will transition to DISCONNECTED",
nm_device_get_iface (device));
nm_device_queue_state (device, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_NONE);
} else {
nm_log_dbg (LOGD_DEVICE, "(%s): device not yet available for transition to DISCONNECTED",
nm_device_get_iface (device));
}
break;
case NM_DEVICE_STATE_ACTIVATED:
nm_log_info (LOGD_DEVICE, "Activation (%s) successful, device activated.",
nm_device_get_iface (device));
nm_utils_call_dispatcher ("up", nm_act_request_get_connection (req), device, NULL, NULL, NULL);
break;
case NM_DEVICE_STATE_FAILED:
connection = nm_act_request_get_connection (req);
nm_log_warn (LOGD_DEVICE | LOGD_WIFI,
"Activation (%s) failed for connection '%s'",
nm_device_get_iface (device),
nm_connection_get_id (connection));
/* Schedule the transition to DISCONNECTED. The device can't transition
* immediately because we can't change states again from the state
* handler for a variety of reasons.
*/
nm_device_queue_state (device, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_NONE);
break;
default:
break;
}
if (old_state == NM_DEVICE_STATE_ACTIVATED)
nm_utils_call_dispatcher ("down", nm_act_request_get_connection (req), device, NULL, NULL, NULL);
/* Dispose of the cached activation request */
if (req)
g_object_unref (req);
}
static gboolean
queued_set_state (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->queued_state.id) {
nm_log_dbg (LOGD_DEVICE, "(%s): running queued state change to %s (id %d)",
nm_device_get_iface (self),
state_to_string (priv->queued_state.state),
priv->queued_state.id);
priv->queued_state.id = 0;
nm_device_state_changed (self, priv->queued_state.state, priv->queued_state.reason);
}
nm_device_queued_state_clear (self);
return FALSE;
}
void
nm_device_queue_state (NMDevice *self,
NMDeviceState state,
NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
g_return_if_fail (self != NULL);
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
/* We should only ever have one delayed state transition at a time */
if (priv->queued_state.id) {
g_warn_if_fail (priv->queued_state.id == 0);
nm_device_queued_state_clear (self);
}
priv->queued_state.state = state;
priv->queued_state.reason = reason;
priv->queued_state.id = g_idle_add (queued_set_state, self);
nm_log_dbg (LOGD_DEVICE, "(%s): queued state change to %s (id %d)",
nm_device_get_iface (self), state_to_string (state),
priv->queued_state.id);
}
NMDeviceState
nm_device_queued_state_peek (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_val_if_fail (self != NULL, NM_DEVICE_STATE_UNKNOWN);
g_return_val_if_fail (NM_IS_DEVICE (self), NM_DEVICE_STATE_UNKNOWN);
priv = NM_DEVICE_GET_PRIVATE (self);
return priv->queued_state.id ? priv->queued_state.state : NM_DEVICE_STATE_UNKNOWN;
}
void
nm_device_queued_state_clear (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->queued_state.id) {
nm_log_dbg (LOGD_DEVICE, "(%s): clearing queued state transition (id %d)",
nm_device_get_iface (self), priv->queued_state.id);
g_source_remove (priv->queued_state.id);
}
memset (&priv->queued_state, 0, sizeof (priv->queued_state));
}
NMDeviceState
nm_device_get_state (NMDevice *device)
{
g_return_val_if_fail (NM_IS_DEVICE (device), NM_DEVICE_STATE_UNKNOWN);
return NM_DEVICE_GET_PRIVATE (device)->state;
}
gboolean
nm_device_get_managed (NMDevice *device)
{
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
return NM_DEVICE_GET_PRIVATE (device)->managed;
}
void
nm_device_set_managed (NMDevice *device,
gboolean managed,
NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (device));
priv = NM_DEVICE_GET_PRIVATE (device);
if (priv->managed == managed)
return;
priv->managed = managed;
nm_log_info (LOGD_DEVICE, "(%s): now %s",
nm_device_get_iface (device),
managed ? "managed" : "unmanaged");
g_object_notify (G_OBJECT (device), NM_DEVICE_MANAGED);
/* If now managed, jump to unavailable */
if (managed)
nm_device_state_changed (device, NM_DEVICE_STATE_UNAVAILABLE, reason);
else
nm_device_state_changed (device, NM_DEVICE_STATE_UNMANAGED, reason);
}
gboolean
nm_device_spec_match_list (NMDevice *device, const GSList *specs)
{
g_return_val_if_fail (device != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
if (NM_DEVICE_GET_CLASS (device)->spec_match_list)
return NM_DEVICE_GET_CLASS (device)->spec_match_list (device, specs);
return FALSE;
}
static gboolean
ip4_match_config (NMDevice *self, NMConnection *connection)
{
NMSettingIP4Config *s_ip4;
int i, num;
GSList *leases, *iter;
NMDHCPManager *dhcp_mgr;
const char *method;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
/* Get any saved leases that apply to this connection */
dhcp_mgr = nm_dhcp_manager_get ();
leases = nm_dhcp_manager_get_lease_config (dhcp_mgr,
nm_device_get_iface (self),
nm_connection_get_uuid (connection));
g_object_unref (dhcp_mgr);
method = s_ip4 ? nm_setting_ip4_config_get_method (s_ip4) : NM_SETTING_IP4_CONFIG_METHOD_AUTO;
if (!strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO)) {
gboolean found = FALSE;
/* Find at least one lease's address on the device */
for (iter = leases; iter; iter = g_slist_next (iter)) {
NMIP4Config *ip4_config = iter->data;
NMIP4Address *addr = nm_ip4_config_get_address (ip4_config, 0);
struct in_addr tmp = { .s_addr = nm_ip4_address_get_address (addr) };
if (addr && nm_netlink_find_address (nm_device_get_ip_ifindex (self),
AF_INET,
&tmp,
nm_ip4_address_get_prefix (addr))) {
found = TRUE; /* Yay, device has same address as a lease */
break;
}
}
g_slist_foreach (leases, (GFunc) g_object_unref, NULL);
g_slist_free (leases);
return found;
} else {
/* Maybe the connection used to be DHCP and there are stale leases; ignore them */
g_slist_foreach (leases, (GFunc) g_object_unref, NULL);
g_slist_free (leases);
}
if (!strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED)) {
// FIXME: Enforce no ipv4 addresses?
return TRUE;
}
/* 'shared' and 'link-local' aren't supported methods because 'shared'
* requires too much iptables and dnsmasq state to be reclaimed, and
* avahi-autoipd isn't smart enough to allow the link-local address to be
* determined at any point other than when it was first assigned.
*/
if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_MANUAL))
return FALSE;
/* Everything below for static addressing */
/* Find all IP4 addresses of this connection on the device */
if (s_ip4) {
num = nm_setting_ip4_config_get_num_addresses (s_ip4);
for (i = 0; i < num; i++) {
NMIP4Address *addr = nm_setting_ip4_config_get_address (s_ip4, i);
struct in_addr tmp = { .s_addr = nm_ip4_address_get_address (addr) };
if (!nm_netlink_find_address (nm_device_get_ip_ifindex (self),
AF_INET,
&tmp,
nm_ip4_address_get_prefix (addr)))
return FALSE;
}
}
/* Success; all the connection's static IP addresses are assigned to the device */
return TRUE;
}
gboolean
nm_device_match_ip_config (NMDevice *device, NMConnection *connection)
{
if (!ip4_match_config (device, connection))
return FALSE;
/* FIXME: match IPv6 config */
return TRUE;
}
NMConnection *
nm_device_connection_match_config (NMDevice *device, const GSList *connections)
{
g_return_val_if_fail (device != NULL, NULL);
g_return_val_if_fail (NM_IS_DEVICE (device), NULL);
if (NM_DEVICE_GET_CLASS (device)->connection_match_config)
return NM_DEVICE_GET_CLASS (device)->connection_match_config (NM_DEVICE (device), connections);
return NULL;
}
/**
* nm_device_hwaddr_matches:
* @device: the device to use when matching the hardware address
* @connection: the connection which supplies the hardware address
* @other_hwaddr: if given, use this address instead of the device's actual
* hardware address
* @other_hwaddr_len: length in bytes of @other_hwaddr
* @fail_if_no_hwaddr: whether to fail the match if @connection does not contain
* a hardware address
*
* Matches a the devices hardware address (or @other_hwaddr if given) against
* the hardware-specific setting in @connection. Allows for device-agnostic
* hardware address matching without having to know the internal details of
* the connection and which settings are used by each device subclass.
*
* Returns: %TRUE if the @device 's hardware address or @other_hwaddr matches
* a hardware address in a hardware-specific setting in @connection
*/
gboolean
nm_device_hwaddr_matches (NMDevice *device,
NMConnection *connection,
const guint8 *other_hwaddr,
guint other_hwaddr_len,
gboolean fail_if_no_hwaddr)
{
g_return_val_if_fail (device != NULL, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
if (other_hwaddr)
g_return_val_if_fail (other_hwaddr_len > 0, FALSE);
if (NM_DEVICE_GET_CLASS (device)->hwaddr_matches) {
return NM_DEVICE_GET_CLASS (device)->hwaddr_matches (device,
connection,
other_hwaddr,
other_hwaddr_len,
fail_if_no_hwaddr);
}
return FALSE;
}
void
nm_device_set_dhcp_timeout (NMDevice *device, guint32 timeout)
{
g_return_if_fail (NM_IS_DEVICE (device));
NM_DEVICE_GET_PRIVATE (device)->dhcp_timeout = timeout;
}
void
nm_device_set_dhcp_anycast_address (NMDevice *device, guint8 *addr)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (device));
priv = NM_DEVICE_GET_PRIVATE (device);
if (priv->dhcp_anycast_address) {
g_byte_array_free (priv->dhcp_anycast_address, TRUE);
priv->dhcp_anycast_address = NULL;
}
if (addr) {
priv->dhcp_anycast_address = g_byte_array_sized_new (ETH_ALEN);
g_byte_array_append (priv->dhcp_anycast_address, addr, ETH_ALEN);
}
}
gboolean
nm_device_get_autoconnect (NMDevice *device)
{
g_return_val_if_fail (NM_IS_DEVICE (device), FALSE);
return NM_DEVICE_GET_PRIVATE (device)->autoconnect;
}
static void
_signal_available_connections_changed (NMDevice *device)
{
g_object_notify (G_OBJECT (device), NM_DEVICE_AVAILABLE_CONNECTIONS);
}
static void
_clear_available_connections (NMDevice *device, gboolean do_signal)
{
g_hash_table_remove_all (NM_DEVICE_GET_PRIVATE (device)->available_connections);
if (do_signal == TRUE)
_signal_available_connections_changed (device);
}
static gboolean
_try_add_available_connection (NMDevice *self, NMConnection *connection)
{
if (nm_device_get_state (self) < NM_DEVICE_STATE_DISCONNECTED)
return FALSE;
if (nm_device_check_connection_compatible (self, connection, NULL)) {
/* Let subclasses implement additional checks on the connection */
if ( NM_DEVICE_GET_CLASS (self)->check_connection_available
&& NM_DEVICE_GET_CLASS (self)->check_connection_available (self, connection)) {
g_hash_table_insert (NM_DEVICE_GET_PRIVATE (self)->available_connections,
g_object_ref (connection),
GUINT_TO_POINTER (1));
}
}
return FALSE;
}
static gboolean
_del_available_connection (NMDevice *device, NMConnection *connection)
{
return g_hash_table_remove (NM_DEVICE_GET_PRIVATE (device)->available_connections, connection);
}
static gboolean
real_check_connection_available (NMDevice *device, NMConnection *connection)
{
/* Default is to assume the connection is available unless a subclass
* overrides this with more specific checks.
*/
return TRUE;
}
void
nm_device_recheck_available_connections (NMDevice *device)
{
NMDevicePrivate *priv;
const GSList *connections, *iter;
g_return_if_fail (device != NULL);
g_return_if_fail (NM_IS_DEVICE (device));
priv = NM_DEVICE_GET_PRIVATE(device);
_clear_available_connections (device, FALSE);
connections = nm_connection_provider_get_connections (priv->con_provider);
for (iter = connections; iter; iter = g_slist_next (iter))
_try_add_available_connection (device, NM_CONNECTION (iter->data));
_signal_available_connections_changed (device);
}
static void
cp_connection_added (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data)
{
if (_try_add_available_connection (NM_DEVICE (user_data), connection))
_signal_available_connections_changed (NM_DEVICE (user_data));
}
static void
cp_connections_loaded (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data)
{
const GSList *connections, *iter;
gboolean added = FALSE;
connections = nm_connection_provider_get_connections (cp);
for (iter = connections; iter; iter = g_slist_next (iter))
added |= _try_add_available_connection (NM_DEVICE (user_data), NM_CONNECTION (iter->data));
if (added)
_signal_available_connections_changed (NM_DEVICE (user_data));
}
static void
cp_connection_removed (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data)
{
if (_del_available_connection (NM_DEVICE (user_data), connection))
_signal_available_connections_changed (NM_DEVICE (user_data));
}
static void
cp_connection_updated (NMConnectionProvider *cp, NMConnection *connection, gpointer user_data)
{
gboolean added, deleted;
/* FIXME: don't remove it from the hash if it's just going to get re-added */
deleted = _del_available_connection (NM_DEVICE (user_data), connection);
added = _try_add_available_connection (NM_DEVICE (user_data), connection);
/* Only signal if the connection was removed OR added, but not both */
if (added != deleted)
_signal_available_connections_changed (NM_DEVICE (user_data));
}