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NetworkManager/src/devices/nm-device.c

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/* -*- 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 - 2013 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 <netlink/route/addr.h>
#include "gsystem-local-alloc.h"
#include "nm-glib-compat.h"
#include "nm-device.h"
#include "nm-device-private.h"
#include "NetworkManagerUtils.h"
#include "nm-manager.h"
#include "nm-platform.h"
#include "nm-rdisc.h"
#include "nm-lndp-rdisc.h"
#include "nm-dhcp-manager.h"
#include "nm-dbus-manager.h"
#include "nm-logging.h"
#include "nm-activation-request.h"
#include "nm-ip4-config.h"
#include "nm-ip6-config.h"
#include "nm-dnsmasq-manager.h"
#include "nm-dhcp4-config.h"
#include "nm-dhcp6-config.h"
#include "nm-rfkill-manager.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-auth-utils.h"
#include "nm-dbus-glib-types.h"
#include "nm-dispatcher.h"
#include "nm-config.h"
#include "nm-dns-manager.h"
#include "nm-core-internal.h"
#include "nm-default-route-manager.h"
#include "nm-device-logging.h"
_LOG_DECLARE_SELF (NMDevice);
static void impl_device_disconnect (NMDevice *self, DBusGMethodInvocation *context);
static void impl_device_delete (NMDevice *self, DBusGMethodInvocation *context);
#include "nm-device-glue.h"
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))
enum {
STATE_CHANGED,
AUTOCONNECT_ALLOWED,
AUTH_REQUEST,
IP4_CONFIG_CHANGED,
IP6_CONFIG_CHANGED,
REMOVED,
RECHECK_AUTO_ACTIVATE,
RECHECK_ASSUME,
LAST_SIGNAL,
};
static guint signals[LAST_SIGNAL] = { 0 };
enum {
PROP_0,
PROP_PLATFORM_DEVICE,
PROP_UDI,
PROP_IFACE,
PROP_IP_IFACE,
PROP_DRIVER,
PROP_DRIVER_VERSION,
PROP_FIRMWARE_VERSION,
PROP_CAPABILITIES,
PROP_CARRIER,
PROP_MTU,
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,
PROP_PHYSICAL_PORT_ID,
PROP_IS_MASTER,
PROP_MASTER,
PROP_HW_ADDRESS,
PROP_HAS_PENDING_ACTION,
LAST_PROP
};
/***********************************************************/
#define PENDING_ACTION_DHCP4 "dhcp4"
#define PENDING_ACTION_DHCP6 "dhcp6"
#define PENDING_ACTION_AUTOCONF6 "autoconf6"
typedef enum {
IP_NONE = 0,
IP_WAIT,
IP_CONF,
IP_DONE,
IP_FAIL
} IpState;
typedef struct {
NMDeviceState state;
NMDeviceStateReason reason;
guint id;
} QueuedState;
typedef struct {
NMDevice *slave;
gboolean enslaved;
gboolean configure;
guint watch_id;
} SlaveInfo;
typedef struct {
guint log_domain;
guint timeout;
guint watch;
GPid pid;
} PingInfo;
typedef struct {
NMDevice *device;
guint idle_add_id;
int ifindex;
} DeleteOnDeactivateData;
typedef struct {
gboolean in_state_changed;
gboolean initialized;
NMDeviceState state;
NMDeviceStateReason state_reason;
QueuedState queued_state;
guint queued_ip_config_id;
GSList *pending_actions;
char * udi;
char * path;
char * iface; /* may change, could be renamed by user */
int ifindex;
gboolean is_software;
char * ip_iface;
int ip_ifindex;
NMDeviceType type;
char * type_desc;
guint32 capabilities;
char * driver;
char * driver_version;
char * firmware_version;
RfKillType rfkill_type;
gboolean firmware_missing;
GHashTable * available_connections;
char * hw_addr;
guint hw_addr_len;
char * physical_port_id;
NMUnmanagedFlags unmanaged_flags;
gboolean is_nm_owned; /* whether the device is a device owned and created by NM */
DeleteOnDeactivateData *delete_on_deactivate_data; /* data for scheduled cleanup when deleting link (g_idle_add) */
GCancellable *deactivating_cancellable;
guint32 ip4_address;
NMActRequest * queued_act_request;
NMActRequest * act_request;
guint act_source_id;
gpointer act_source_func;
guint act_source6_id;
gpointer act_source6_func;
guint recheck_assume_id;
struct {
guint call_id;
NMDeviceState post_state;
NMDeviceStateReason post_state_reason;
} dispatcher;
/* Link stuff */
guint link_connected_id;
guint link_disconnected_id;
guint carrier_defer_id;
gboolean carrier;
guint carrier_wait_id;
gboolean ignore_carrier;
guint32 mtu;
gboolean up; /* IFF_UP */
/* Generic DHCP stuff */
guint32 dhcp_timeout;
char * dhcp_anycast_address;
/* IP4 configuration info */
NMIP4Config * ip4_config; /* Combined config from VPN, settings, and device */
IpState ip4_state;
NMIP4Config * con_ip4_config; /* config from the setting */
NMIP4Config * dev_ip4_config; /* Config from DHCP, PPP, LLv4, etc */
NMIP4Config * ext_ip4_config; /* Stuff added outside NM */
NMIP4Config * wwan_ip4_config; /* WWAN configuration */
struct {
gboolean v4_has;
gboolean v4_is_assumed;
NMPlatformIP4Route v4;
gboolean v6_has;
gboolean v6_is_assumed;
NMPlatformIP6Route v6;
} default_route;
/* DHCPv4 tracking */
NMDhcpClient * dhcp4_client;
gulong dhcp4_state_sigid;
NMDhcp4Config * dhcp4_config;
NMIP4Config * vpn4_config; /* routes added by a VPN which uses this device */
guint arp_round2_id;
PingInfo gw_ping;
/* dnsmasq stuff for shared connections */
NMDnsMasqManager *dnsmasq_manager;
gulong dnsmasq_state_id;
/* Firewall */
NMFirewallPendingCall fw_call;
/* avahi-autoipd stuff */
GPid aipd_pid;
guint aipd_watch;
guint aipd_timeout;
/* IP6 configuration info */
NMIP6Config * ip6_config;
IpState ip6_state;
NMIP6Config * con_ip6_config; /* config from the setting */
NMIP6Config * vpn6_config; /* routes added by a VPN which uses this device */
NMIP6Config * wwan_ip6_config;
NMIP6Config * ext_ip6_config; /* Stuff added outside NM */
gboolean nm_ipv6ll; /* TRUE if NM handles the device's IPv6LL address */
NMRDisc * rdisc;
gulong rdisc_changed_id;
gulong rdisc_timeout_id;
NMSettingIP6ConfigPrivacy rdisc_use_tempaddr;
/* IP6 config from autoconf */
NMIP6Config * ac_ip6_config;
guint linklocal6_timeout_id;
GHashTable * ip6_saved_properties;
NMDhcpClient * dhcp6_client;
NMRDiscDHCPLevel dhcp6_mode;
gulong dhcp6_state_sigid;
NMDhcp6Config * dhcp6_config;
/* IP6 config from DHCP */
NMIP6Config * dhcp6_ip6_config;
/* allow autoconnect feature */
gboolean autoconnect;
/* master interface for bridge/bond/team slave */
NMDevice * master;
gboolean enslaved;
guint master_ready_id;
/* slave management */
gboolean is_master;
GSList * slaves; /* list of SlaveInfo */
NMConnectionProvider *con_provider;
} NMDevicePrivate;
static gboolean nm_device_set_ip4_config (NMDevice *self,
NMIP4Config *config,
guint32 default_route_metric,
gboolean commit,
NMDeviceStateReason *reason);
static gboolean ip4_config_merge_and_apply (NMDevice *self,
NMIP4Config *config,
gboolean commit,
NMDeviceStateReason *out_reason);
static gboolean nm_device_set_ip6_config (NMDevice *self,
NMIP6Config *config,
gboolean commit,
NMDeviceStateReason *reason);
static gboolean nm_device_master_add_slave (NMDevice *self, NMDevice *slave, gboolean configure);
static void nm_device_slave_notify_enslave (NMDevice *self, gboolean success);
static void nm_device_slave_notify_release (NMDevice *self, NMDeviceStateReason reason);
static gboolean addrconf6_start_with_link_ready (NMDevice *self);
static gboolean dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection);
static NMActStageReturn linklocal6_start (NMDevice *self);
static gboolean nm_device_get_default_unmanaged (NMDevice *self);
static void _set_state_full (NMDevice *self,
NMDeviceState state,
NMDeviceStateReason reason,
gboolean quitting);
static void nm_device_update_hw_address (NMDevice *self);
/***********************************************************/
#define QUEUED_PREFIX "queued state change to "
static const char *state_table[] = {
[NM_DEVICE_STATE_UNKNOWN] = QUEUED_PREFIX "unknown",
[NM_DEVICE_STATE_UNMANAGED] = QUEUED_PREFIX "unmanaged",
[NM_DEVICE_STATE_UNAVAILABLE] = QUEUED_PREFIX "unavailable",
[NM_DEVICE_STATE_DISCONNECTED] = QUEUED_PREFIX "disconnected",
[NM_DEVICE_STATE_PREPARE] = QUEUED_PREFIX "prepare",
[NM_DEVICE_STATE_CONFIG] = QUEUED_PREFIX "config",
[NM_DEVICE_STATE_NEED_AUTH] = QUEUED_PREFIX "need-auth",
[NM_DEVICE_STATE_IP_CONFIG] = QUEUED_PREFIX "ip-config",
[NM_DEVICE_STATE_IP_CHECK] = QUEUED_PREFIX "ip-check",
[NM_DEVICE_STATE_SECONDARIES] = QUEUED_PREFIX "secondaries",
[NM_DEVICE_STATE_ACTIVATED] = QUEUED_PREFIX "activated",
[NM_DEVICE_STATE_DEACTIVATING] = QUEUED_PREFIX "deactivating",
[NM_DEVICE_STATE_FAILED] = QUEUED_PREFIX "failed",
};
static const char *
queued_state_to_string (NMDeviceState state)
{
if ((gsize) state < G_N_ELEMENTS (state_table))
return state_table[state];
return state_table[NM_DEVICE_STATE_UNKNOWN];
}
static const char *
state_to_string (NMDeviceState state)
{
return queued_state_to_string (state) + strlen (QUEUED_PREFIX);
}
static const char *reason_table[] = {
[NM_DEVICE_STATE_REASON_NONE] = "none",
[NM_DEVICE_STATE_REASON_NOW_MANAGED] = "managed",
[NM_DEVICE_STATE_REASON_NOW_UNMANAGED] = "unmanaged",
[NM_DEVICE_STATE_REASON_CONFIG_FAILED] = "config-failed",
[NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE] = "ip-config-unavailable",
[NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED] = "ip-config-expired",
[NM_DEVICE_STATE_REASON_NO_SECRETS] = "no-secrets",
[NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT] = "supplicant-disconnect",
[NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED] = "supplicant-config-failed",
[NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED] = "supplicant-failed",
[NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT] = "supplicant-timeout",
[NM_DEVICE_STATE_REASON_PPP_START_FAILED] = "ppp-start-failed",
[NM_DEVICE_STATE_REASON_PPP_DISCONNECT] = "ppp-disconnect",
[NM_DEVICE_STATE_REASON_PPP_FAILED] = "ppp-failed",
[NM_DEVICE_STATE_REASON_DHCP_START_FAILED] = "dhcp-start-failed",
[NM_DEVICE_STATE_REASON_DHCP_ERROR] = "dhcp-error",
[NM_DEVICE_STATE_REASON_DHCP_FAILED] = "dhcp-failed",
[NM_DEVICE_STATE_REASON_SHARED_START_FAILED] = "sharing-start-failed",
[NM_DEVICE_STATE_REASON_SHARED_FAILED] = "sharing-failed",
[NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED] = "autoip-start-failed",
[NM_DEVICE_STATE_REASON_AUTOIP_ERROR] = "autoip-error",
[NM_DEVICE_STATE_REASON_AUTOIP_FAILED] = "autoip-failed",
[NM_DEVICE_STATE_REASON_MODEM_BUSY] = "modem-busy",
[NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE] = "modem-no-dialtone",
[NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER] = "modem-no-carrier",
[NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT] = "modem-dial-timeout",
[NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED] = "modem-dial-failed",
[NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED] = "modem-init-failed",
[NM_DEVICE_STATE_REASON_GSM_APN_FAILED] = "gsm-apn-failed",
[NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING] = "gsm-registration-idle",
[NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED] = "gsm-registration-denied",
[NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT] = "gsm-registration-timeout",
[NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED] = "gsm-registration-failed",
[NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED] = "gsm-pin-check-failed",
[NM_DEVICE_STATE_REASON_FIRMWARE_MISSING] = "firmware-missing",
[NM_DEVICE_STATE_REASON_REMOVED] = "removed",
[NM_DEVICE_STATE_REASON_SLEEPING] = "sleeping",
[NM_DEVICE_STATE_REASON_CONNECTION_REMOVED] = "connection-removed",
[NM_DEVICE_STATE_REASON_USER_REQUESTED] = "user-requested",
[NM_DEVICE_STATE_REASON_CARRIER] = "carrier-changed",
[NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED] = "connection-assumed",
[NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE] = "supplicant-available",
[NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND] = "modem-not-found",
[NM_DEVICE_STATE_REASON_BT_FAILED] = "bluetooth-failed",
[NM_DEVICE_STATE_REASON_GSM_SIM_NOT_INSERTED] = "gsm-sim-not-inserted",
[NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED] = "gsm-sim-pin-required",
[NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED] = "gsm-sim-puk-required",
[NM_DEVICE_STATE_REASON_GSM_SIM_WRONG] = "gsm-sim-wrong",
[NM_DEVICE_STATE_REASON_INFINIBAND_MODE] = "infiniband-mode",
[NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED] = "dependency-failed",
[NM_DEVICE_STATE_REASON_BR2684_FAILED] = "br2684-bridge-failed",
[NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE] = "modem-manager-unavailable",
[NM_DEVICE_STATE_REASON_SSID_NOT_FOUND] = "ssid-not-found",
[NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED] = "secondary-connection-failed",
[NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED] = "dcb-fcoe-failed",
[NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED] = "teamd-control-failed",
[NM_DEVICE_STATE_REASON_MODEM_FAILED] = "modem-failed",
[NM_DEVICE_STATE_REASON_MODEM_AVAILABLE] = "modem-available",
[NM_DEVICE_STATE_REASON_SIM_PIN_INCORRECT] = "sim-pin-incorrect",
};
static const char *
reason_to_string (NMDeviceStateReason reason)
{
if ((gsize) reason < G_N_ELEMENTS (reason_table))
return reason_table[reason];
return reason_table[NM_DEVICE_STATE_REASON_UNKNOWN];
}
/***********************************************************/
gboolean
nm_device_ipv6_sysctl_set (NMDevice *self, const char *property, const char *value)
{
return nm_platform_sysctl_set (nm_utils_ip6_property_path (nm_device_get_ip_iface (self), property), value);
}
static gboolean
device_has_capability (NMDevice *self, NMDeviceCapabilities caps)
{
return !!(NM_DEVICE_GET_PRIVATE (self)->capabilities & caps);
}
/***********************************************************/
void
nm_device_dbus_export (NMDevice *self)
{
static guint32 devcount = 0;
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->path == NULL);
priv->path = g_strdup_printf ("/org/freedesktop/NetworkManager/Devices/%d", devcount++);
_LOGI (LOGD_DEVICE, "exported as %s", priv->path);
nm_dbus_manager_register_object (nm_dbus_manager_get (), priv->path, self);
}
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;
}
const char *
nm_device_get_iface (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), 0);
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;
}
gboolean
nm_device_is_software (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
return priv->is_software;
}
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);
if (!g_strcmp0 (iface, priv->ip_iface))
return;
old_ip_iface = priv->ip_iface;
priv->ip_ifindex = 0;
priv->ip_iface = g_strdup (iface);
if (priv->ip_iface) {
priv->ip_ifindex = nm_platform_link_get_ifindex (priv->ip_iface);
if (priv->ip_ifindex > 0) {
if (nm_platform_check_support_user_ipv6ll ())
nm_platform_link_set_user_ipv6ll_enabled (priv->ip_ifindex, TRUE);
if (!nm_platform_link_is_up (priv->ip_ifindex))
nm_platform_link_set_up (priv->ip_ifindex);
} else {
/* Device IP interface must always be a kernel network interface */
_LOGW (LOGD_HW, "failed to look up interface index");
}
}
/* We don't care about any saved values from the old iface */
g_hash_table_remove_all (priv->ip6_saved_properties);
/* 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);
}
static gboolean
get_ip_iface_identifier (NMDevice *self, NMUtilsIPv6IfaceId *out_iid)
{
NMLinkType link_type;
const guint8 *hwaddr = NULL;
size_t hwaddr_len = 0;
int ifindex;
gboolean success;
/* If we get here, we *must* have a kernel netdev, which implies an ifindex */
ifindex = nm_device_get_ip_ifindex (self);
g_assert (ifindex);
link_type = nm_platform_link_get_type (ifindex);
g_return_val_if_fail (link_type > NM_LINK_TYPE_UNKNOWN, 0);
hwaddr = nm_platform_link_get_address (ifindex, &hwaddr_len);
if (!hwaddr_len)
return FALSE;
success = nm_utils_get_ipv6_interface_identifier (link_type,
hwaddr,
hwaddr_len,
out_iid);
if (!success) {
_LOGW (LOGD_HW, "failed to generate interface identifier "
"for link type %u hwaddr_len %zu", link_type, hwaddr_len);
}
return success;
}
static gboolean
nm_device_get_ip_iface_identifier (NMDevice *self, NMUtilsIPv6IfaceId *iid)
{
return NM_DEVICE_GET_CLASS (self)->get_ip_iface_identifier (self, iid);
}
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;
}
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():
* @self: the #NMDevice
*
* Returns: the device's routing priority. Lower numbers means a "better"
* device, eg higher priority.
*/
int
nm_device_get_priority (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), 1000);
/* Device 'priority' is used for the default route-metric and is based on
* the device type. The settings ipv4.route-metric and ipv6.route-metric
* can overwrite this default.
*
* Currently for both IPv4 and IPv6 we use the same default values.
*
* The route-metric is used for the metric of the routes of device.
* This also applies to the default route. Therefore it affects also
* which device is the "best".
*
* For comparison, note that iproute2 by default adds IPv4 routes with
* metric 0, and IPv6 routes with metric 1024. The latter is the IPv6
* "user default" in the kernel (NM_PLATFORM_ROUTE_METRIC_DEFAULT_IP6).
* In kernel, the full uint32_t range is available for route
* metrics (except for IPv6, where 0 means 1024).
*/
switch (nm_device_get_device_type (self)) {
/* 50 is reserved for VPN (NM_VPN_ROUTE_METRIC_DEFAULT) */
case NM_DEVICE_TYPE_ETHERNET:
return 100;
case NM_DEVICE_TYPE_INFINIBAND:
return 150;
case NM_DEVICE_TYPE_ADSL:
return 200;
case NM_DEVICE_TYPE_WIMAX:
return 250;
case NM_DEVICE_TYPE_BOND:
return 300;
case NM_DEVICE_TYPE_TEAM:
return 350;
case NM_DEVICE_TYPE_VLAN:
return 400;
case NM_DEVICE_TYPE_BRIDGE:
return 425;
case NM_DEVICE_TYPE_MODEM:
return 450;
case NM_DEVICE_TYPE_BT:
return 550;
case NM_DEVICE_TYPE_WIFI:
return 600;
case NM_DEVICE_TYPE_OLPC_MESH:
return 650;
case NM_DEVICE_TYPE_GENERIC:
return 950;
case NM_DEVICE_TYPE_UNKNOWN:
return 10000;
case NM_DEVICE_TYPE_UNUSED1:
case NM_DEVICE_TYPE_UNUSED2:
/* omit default: to get compiler warning about missing switch cases */
break;
}
return 11000;
}
guint32
nm_device_get_ip4_route_metric (NMDevice *self)
{
NMConnection *connection;
gint64 route_metric = -1;
g_return_val_if_fail (NM_IS_DEVICE (self), G_MAXUINT32);
connection = nm_device_get_connection (self);
if (connection)
route_metric = nm_setting_ip_config_get_route_metric (nm_connection_get_setting_ip4_config (connection));
return route_metric >= 0 ? route_metric : nm_device_get_priority (self);
}
guint32
nm_device_get_ip6_route_metric (NMDevice *self)
{
NMConnection *connection;
gint64 route_metric = -1;
g_return_val_if_fail (NM_IS_DEVICE (self), G_MAXUINT32);
connection = nm_device_get_connection (self);
if (connection)
route_metric = nm_setting_ip_config_get_route_metric (nm_connection_get_setting_ip6_config (connection));
return route_metric >= 0 ? route_metric : nm_device_get_priority (self);
}
const NMPlatformIP4Route *
nm_device_get_ip4_default_route (NMDevice *self, gboolean *out_is_assumed)
{
NMDevicePrivate *priv;
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
if (out_is_assumed)
*out_is_assumed = priv->default_route.v4_is_assumed;
return priv->default_route.v4_has ? &priv->default_route.v4 : NULL;
}
const NMPlatformIP6Route *
nm_device_get_ip6_default_route (NMDevice *self, gboolean *out_is_assumed)
{
NMDevicePrivate *priv;
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
if (out_is_assumed)
*out_is_assumed = priv->default_route.v6_is_assumed;
return priv->default_route.v6_has ? &priv->default_route.v6 : NULL;
}
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;
}
gboolean
nm_device_has_carrier (NMDevice *self)
{
return NM_DEVICE_GET_PRIVATE (self)->carrier;
}
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;
}
RfKillType
nm_device_get_rfkill_type (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
return NM_DEVICE_GET_PRIVATE (self)->rfkill_type;
}
static const char *
nm_device_get_physical_port_id (NMDevice *self)
{
return NM_DEVICE_GET_PRIVATE (self)->physical_port_id;
}
/***********************************************************/
static gboolean
nm_device_uses_generated_assumed_connection (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
if ( priv->act_request
&& nm_active_connection_get_assumed (NM_ACTIVE_CONNECTION (priv->act_request))) {
connection = nm_act_request_get_connection (priv->act_request);
if ( connection
&& nm_settings_connection_get_nm_generated_assumed (NM_SETTINGS_CONNECTION (connection)))
return TRUE;
}
return FALSE;
}
gboolean
nm_device_uses_assumed_connection (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if ( priv->act_request
&& nm_active_connection_get_assumed (NM_ACTIVE_CONNECTION (priv->act_request)))
return TRUE;
return FALSE;
}
static SlaveInfo *
find_slave_info (NMDevice *self, NMDevice *slave)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
SlaveInfo *info;
GSList *iter;
for (iter = priv->slaves; iter; iter = g_slist_next (iter)) {
info = iter->data;
if (info->slave == slave)
return info;
}
return NULL;
}
static void
free_slave_info (SlaveInfo *info)
{
g_signal_handler_disconnect (info->slave, info->watch_id);
g_clear_object (&info->slave);
memset (info, 0, sizeof (*info));
g_free (info);
}
/**
* nm_device_enslave_slave:
* @self: the master device
* @slave: the slave device to enslave
* @connection: (allow-none): the slave device's connection
*
* If @self is capable of enslaving other devices (ie it's a bridge, bond, team,
* etc) then this function enslaves @slave.
*
* Returns: %TRUE on success, %FALSE on failure or if this device cannot enslave
* other devices.
*/
static gboolean
nm_device_enslave_slave (NMDevice *self, NMDevice *slave, NMConnection *connection)
{
SlaveInfo *info;
gboolean success = FALSE;
gboolean configure;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (slave != NULL, FALSE);
g_return_val_if_fail (NM_DEVICE_GET_CLASS (self)->enslave_slave != NULL, FALSE);
info = find_slave_info (self, slave);
if (!info)
return FALSE;
if (info->enslaved)
success = TRUE;
else {
configure = (info->configure && connection != NULL);
if (configure)
g_return_val_if_fail (nm_device_get_state (slave) >= NM_DEVICE_STATE_DISCONNECTED, FALSE);
success = NM_DEVICE_GET_CLASS (self)->enslave_slave (self, slave, connection, configure);
info->enslaved = success;
}
nm_device_slave_notify_enslave (info->slave, success);
/* Ensure the device's hardware address is up-to-date; it often changes
* when slaves change.
*/
nm_device_update_hw_address (self);
/* Restart IP configuration if we're waiting for slaves. Do this
* after updating the hardware address as IP config may need the
* new address.
*/
if (success) {
if (NM_DEVICE_GET_PRIVATE (self)->ip4_state == IP_WAIT)
nm_device_activate_stage3_ip4_start (self);
if (NM_DEVICE_GET_PRIVATE (self)->ip6_state == IP_WAIT)
nm_device_activate_stage3_ip6_start (self);
}
return success;
}
/**
* nm_device_release_one_slave:
* @self: the master device
* @slave: the slave device to release
* @configure: whether @self needs to actually release @slave
* @reason: the state change reason for the @slave
*
* If @self is capable of enslaving other devices (ie it's a bridge, bond, team,
* etc) then this function releases the previously enslaved @slave and/or
* updates the state of @self and @slave to reflect its release.
*
* Returns: %TRUE on success, %FALSE on failure, if this device cannot enslave
* other devices, or if @slave was never enslaved.
*/
static gboolean
nm_device_release_one_slave (NMDevice *self, NMDevice *slave, gboolean configure, NMDeviceStateReason reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
SlaveInfo *info;
gboolean success = FALSE;
g_return_val_if_fail (slave != NULL, FALSE);
g_return_val_if_fail (NM_DEVICE_GET_CLASS (self)->release_slave != NULL, FALSE);
info = find_slave_info (self, slave);
if (!info)
return FALSE;
priv->slaves = g_slist_remove (priv->slaves, info);
if (info->enslaved) {
success = NM_DEVICE_GET_CLASS (self)->release_slave (self, slave, configure);
/* The release_slave() implementation logs success/failure (in the
* correct device-specific log domain), so we don't have to do anything.
*/
}
if (!configure) {
g_warn_if_fail (reason == NM_DEVICE_STATE_REASON_NONE || reason == NM_DEVICE_STATE_REASON_REMOVED);
reason = NM_DEVICE_STATE_REASON_NONE;
} else if (reason == NM_DEVICE_STATE_REASON_NONE) {
g_warn_if_reached ();
reason = NM_DEVICE_STATE_REASON_UNKNOWN;
}
nm_device_slave_notify_release (info->slave, reason);
free_slave_info (info);
/* Ensure the device's hardware address is up-to-date; it often changes
* when slaves change.
*/
nm_device_update_hw_address (self);
return success;
}
static gboolean
is_software_external (NMDevice *self)
{
return nm_device_is_software (self)
&& !nm_device_get_is_nm_owned (self);
}
/**
* nm_device_finish_init:
* @self: the master device
*
* Whatever needs to be done post-initialization, when the device has a DBus
* object name.
*/
void
nm_device_finish_init (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_assert (priv->initialized == FALSE);
/* Do not manage externally created software devices until they are IFF_UP */
if ( is_software_external (self)
&& !nm_platform_link_is_up (priv->ifindex)
&& priv->ifindex > 0)
nm_device_set_initial_unmanaged_flag (self, NM_UNMANAGED_EXTERNAL_DOWN, TRUE);
if (priv->master)
nm_device_enslave_slave (priv->master, self, NULL);
priv->initialized = TRUE;
}
static void
carrier_changed (NMDevice *self, gboolean carrier)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (!nm_device_get_managed (self))
return;
nm_device_recheck_available_connections (self);
/* ignore-carrier devices ignore all carrier-down events */
if (priv->ignore_carrier && !carrier)
return;
if (priv->is_master) {
/* Bridge/bond/team carrier does not affect its own activation,
* but when carrier comes on, if there are slaves waiting,
* it will restart them.
*/
if (!carrier)
return;
if (nm_device_activate_ip4_state_in_wait (self))
nm_device_activate_stage3_ip4_start (self);
if (nm_device_activate_ip6_state_in_wait (self))
nm_device_activate_stage3_ip6_start (self);
return;
} else if (nm_device_get_enslaved (self) && !carrier) {
/* Slaves don't deactivate when they lose carrier; for
* bonds/teams in particular that would be actively
* counterproductive.
*/
return;
}
if (carrier) {
g_warn_if_fail (priv->state >= NM_DEVICE_STATE_UNAVAILABLE);
if (priv->state == NM_DEVICE_STATE_UNAVAILABLE) {
nm_device_queue_state (self, NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_CARRIER);
} else if (priv->state == NM_DEVICE_STATE_DISCONNECTED) {
/* If the device is already in DISCONNECTED state without a carrier
* (probably because it is tagged for carrier ignore) ensure that
* when the carrier appears, auto connections are rechecked for
* the device.
*/
nm_device_emit_recheck_auto_activate (self);
}
} else {
g_return_if_fail (priv->state >= NM_DEVICE_STATE_UNAVAILABLE);
if (priv->state == NM_DEVICE_STATE_UNAVAILABLE) {
if (nm_device_queued_state_peek (self) >= NM_DEVICE_STATE_DISCONNECTED)
nm_device_queued_state_clear (self);
} else {
nm_device_queue_state (self, NM_DEVICE_STATE_UNAVAILABLE,
NM_DEVICE_STATE_REASON_CARRIER);
}
}
}
#define LINK_DISCONNECT_DELAY 4
static gboolean
link_disconnect_action_cb (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
_LOGD (LOGD_DEVICE, "link disconnected (calling deferred action) (id=%u)", priv->carrier_defer_id);
priv->carrier_defer_id = 0;
_LOGI (LOGD_DEVICE, "link disconnected (calling deferred action)");
NM_DEVICE_GET_CLASS (self)->carrier_changed (self, FALSE);
return FALSE;
}
static void
link_disconnect_action_cancel (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->carrier_defer_id) {
g_source_remove (priv->carrier_defer_id);
_LOGD (LOGD_DEVICE, "link disconnected (canceling deferred action) (id=%u)", priv->carrier_defer_id);
priv->carrier_defer_id = 0;
}
}
void
nm_device_set_carrier (NMDevice *self, gboolean carrier)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceClass *klass = NM_DEVICE_GET_CLASS (self);
NMDeviceState state = nm_device_get_state (self);
if (priv->carrier == carrier)
return;
priv->carrier = carrier;
g_object_notify (G_OBJECT (self), NM_DEVICE_CARRIER);
if (priv->carrier) {
_LOGI (LOGD_DEVICE, "link connected");
link_disconnect_action_cancel (self);
klass->carrier_changed (self, TRUE);
if (priv->carrier_wait_id) {
g_source_remove (priv->carrier_wait_id);
priv->carrier_wait_id = 0;
nm_device_remove_pending_action (self, "carrier wait", TRUE);
}
} else if (state <= NM_DEVICE_STATE_DISCONNECTED) {
_LOGI (LOGD_DEVICE, "link disconnected");
klass->carrier_changed (self, FALSE);
} else {
_LOGI (LOGD_DEVICE, "link disconnected (deferring action for %d seconds)", LINK_DISCONNECT_DELAY);
priv->carrier_defer_id = g_timeout_add_seconds (LINK_DISCONNECT_DELAY,
link_disconnect_action_cb, self);
_LOGD (LOGD_DEVICE, "link disconnected (deferring action for %d seconds) (id=%u)",
LINK_DISCONNECT_DELAY, priv->carrier_defer_id);
}
}
static void
update_for_ip_ifname_change (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_hash_table_remove_all (priv->ip6_saved_properties);
if (priv->dhcp4_client) {
if (!nm_device_dhcp4_renew (self, FALSE)) {
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_DHCP_FAILED);
return;
}
}
if (priv->dhcp6_client) {
if (!nm_device_dhcp6_renew (self, FALSE)) {
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_DHCP_FAILED);
return;
}
}
if (priv->rdisc) {
/* FIXME: todo */
}
if (priv->dnsmasq_manager) {
/* FIXME: todo */
}
}
static void
device_set_master (NMDevice *self, int ifindex)
{
NMDevice *master;
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
master = nm_manager_get_device_by_ifindex (nm_manager_get (), ifindex);
if (master && NM_DEVICE_GET_CLASS (master)->enslave_slave) {
g_clear_object (&priv->master);
priv->master = g_object_ref (master);
nm_device_master_add_slave (master, self, FALSE);
} else if (master) {
_LOGI (LOGD_DEVICE, "enslaved to non-master-type device %s; ignoring",
nm_device_get_iface (master));
} else {
_LOGW (LOGD_DEVICE, "enslaved to unknown device %d %s",
ifindex,
nm_platform_link_get_name (ifindex));
}
}
static void
device_link_changed (NMDevice *self, NMPlatformLink *info)
{
NMDeviceClass *klass = NM_DEVICE_GET_CLASS (self);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMUtilsIPv6IfaceId token_iid;
gboolean ip_ifname_changed = FALSE;
if (info->udi && g_strcmp0 (info->udi, priv->udi)) {
/* Update UDI to what udev gives us */
g_free (priv->udi);
priv->udi = g_strdup (info->udi);
g_object_notify (G_OBJECT (self), NM_DEVICE_UDI);
}
/* Update MTU if it has changed. */
if (priv->mtu != info->mtu) {
priv->mtu = info->mtu;
g_object_notify (G_OBJECT (self), NM_DEVICE_MTU);
}
if (info->name[0] && strcmp (priv->iface, info->name) != 0) {
_LOGI (LOGD_DEVICE, "interface index %d renamed iface from '%s' to '%s'",
priv->ifindex, priv->iface, info->name);
g_free (priv->iface);
priv->iface = g_strdup (info->name);
/* If the device has no explicit ip_iface, then changing iface changes ip_iface too. */
ip_ifname_changed = !priv->ip_iface;
g_object_notify (G_OBJECT (self), NM_DEVICE_IFACE);
if (ip_ifname_changed)
g_object_notify (G_OBJECT (self), NM_DEVICE_IP_IFACE);
/* Re-match available connections against the new interface name */
nm_device_recheck_available_connections (self);
/* Let any connections that use the new interface name have a chance
* to auto-activate on the device.
*/
nm_device_emit_recheck_auto_activate (self);
}
/* Update slave status for external changes */
if (priv->enslaved && info->master != nm_device_get_ifindex (priv->master))
nm_device_release_one_slave (priv->master, self, FALSE, NM_DEVICE_STATE_REASON_NONE);
if (info->master && !priv->enslaved) {
device_set_master (self, info->master);
if (priv->master)
nm_device_enslave_slave (priv->master, self, NULL);
}
if (priv->rdisc && nm_platform_link_get_ipv6_token (priv->ifindex, &token_iid)) {
_LOGD (LOGD_DEVICE, "IPv6 tokenized identifier present on device %s", priv->iface);
if (nm_rdisc_set_iid (priv->rdisc, token_iid))
nm_rdisc_start (priv->rdisc);
}
if (klass->link_changed)
klass->link_changed (self, info);
/* Update DHCP, etc, if needed */
if (ip_ifname_changed)
update_for_ip_ifname_change (self);
if (priv->up != info->up) {
priv->up = info->up;
/* Manage externally-created software interfaces only when they are IFF_UP */
g_assert (priv->ifindex > 0);
if (is_software_external (self)) {
gboolean external_down = nm_device_get_unmanaged_flag (self, NM_UNMANAGED_EXTERNAL_DOWN);
if (external_down && info->up) {
if (nm_device_get_state (self) < NM_DEVICE_STATE_DISCONNECTED) {
/* Ensure the assume check is queued before any queued state changes
* from the transition to UNAVAILABLE.
*/
nm_device_queue_recheck_assume (self);
/* Resetting the EXTERNAL_DOWN flag may change the device's state
* to UNAVAILABLE. To ensure that the state change doesn't touch
* the device before assumption occurs, pass
* NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED as the reason.
*/
nm_device_set_unmanaged (self,
NM_UNMANAGED_EXTERNAL_DOWN,
FALSE,
NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED);
} else {
/* Don't trigger a state change; if the device is in a
* state higher than UNAVAILABLE, it is already IFF_UP
* or an explicit activation request was received.
*/
priv->unmanaged_flags &= ~NM_UNMANAGED_EXTERNAL_DOWN;
}
} else if (!external_down && !info->up && nm_device_get_state (self) <= NM_DEVICE_STATE_DISCONNECTED) {
/* If the device is already disconnected and is set !IFF_UP,
* unmanage it.
*/
nm_device_set_unmanaged (self,
NM_UNMANAGED_EXTERNAL_DOWN,
TRUE,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
}
}
}
}
static void
device_ip_link_changed (NMDevice *self, NMPlatformLink *info)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (info->name[0] && g_strcmp0 (priv->ip_iface, info->name)) {
_LOGI (LOGD_DEVICE, "interface index %d renamed ip_iface (%d) from '%s' to '%s'",
priv->ifindex, nm_device_get_ip_ifindex (self),
priv->ip_iface, info->name);
g_free (priv->ip_iface);
priv->ip_iface = g_strdup (info->name);
g_object_notify (G_OBJECT (self), NM_DEVICE_IP_IFACE);
update_for_ip_ifname_change (self);
}
}
static void
link_changed_cb (NMPlatform *platform,
int ifindex,
NMPlatformLink *info,
NMPlatformSignalChangeType change_type,
NMPlatformReason reason,
NMDevice *self)
{
if (change_type != NM_PLATFORM_SIGNAL_CHANGED)
return;
/* We don't filter by 'reason' because we are interested in *all* link
* changes. For example a call to nm_platform_link_set_up() may result
* in an internal carrier change (i.e. we ask the kernel to set IFF_UP
* and it results in also setting IFF_LOWER_UP.
*/
if (ifindex == nm_device_get_ifindex (self))
device_link_changed (self, info);
else if (ifindex == nm_device_get_ip_ifindex (self))
device_ip_link_changed (self, info);
}
static void
link_changed (NMDevice *self, NMPlatformLink *info)
{
/* Update carrier from link event if applicable. */
if ( device_has_capability (self, NM_DEVICE_CAP_CARRIER_DETECT)
&& !device_has_capability (self, NM_DEVICE_CAP_NONSTANDARD_CARRIER))
nm_device_set_carrier (self, info->connected);
}
/**
* nm_device_notify_component_added():
* @self: the #NMDevice
* @component: the component being added by a plugin
*
* Called by the manager to notify the device that a new component has
* been found. The device implementation should return %TRUE if it
* wishes to claim the component, or %FALSE if it cannot.
*
* Returns: %TRUE to claim the component, %FALSE if the component cannot be
* claimed.
*/
gboolean
nm_device_notify_component_added (NMDevice *self, GObject *component)
{
if (NM_DEVICE_GET_CLASS (self)->component_added)
return NM_DEVICE_GET_CLASS (self)->component_added (self, component);
return FALSE;
}
/**
* nm_device_owns_iface():
* @self: the #NMDevice
* @iface: an interface name
*
* Called by the manager to ask if the device or any of its components owns
* @iface. For example, a WWAN implementation would return %TRUE for an
* ethernet interface name that was owned by the WWAN device's modem component,
* because that ethernet interface is controlled by the WWAN device and cannot
* be used independently of the WWAN device.
*
* Returns: %TRUE if @self or it's components owns the interface name,
* %FALSE if not
*/
gboolean
nm_device_owns_iface (NMDevice *self, const char *iface)
{
if (NM_DEVICE_GET_CLASS (self)->owns_iface)
return NM_DEVICE_GET_CLASS (self)->owns_iface (self, iface);
return FALSE;
}
NMConnection *
nm_device_new_default_connection (NMDevice *self)
{
if (NM_DEVICE_GET_CLASS (self)->new_default_connection)
return NM_DEVICE_GET_CLASS (self)->new_default_connection (self);
return NULL;
}
static void
slave_state_changed (NMDevice *slave,
NMDeviceState slave_new_state,
NMDeviceState slave_old_state,
NMDeviceStateReason reason,
NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean release = FALSE;
_LOGD (LOGD_DEVICE, "slave %s state change %d (%s) -> %d (%s)",
nm_device_get_iface (slave),
slave_old_state,
state_to_string (slave_old_state),
slave_new_state,
state_to_string (slave_new_state));
/* Don't try to enslave slaves until the master is ready */
if (priv->state < NM_DEVICE_STATE_CONFIG)
return;
if (slave_new_state == NM_DEVICE_STATE_IP_CONFIG)
nm_device_enslave_slave (self, slave, nm_device_get_connection (slave));
else if (slave_new_state > NM_DEVICE_STATE_ACTIVATED)
release = TRUE;
else if ( slave_new_state <= NM_DEVICE_STATE_DISCONNECTED
&& slave_old_state > NM_DEVICE_STATE_DISCONNECTED) {
/* Catch failures due to unavailable or unmanaged */
release = TRUE;
}
if (release) {
nm_device_release_one_slave (self, slave, TRUE, reason);
/* Bridge/bond/team interfaces are left up until manually deactivated */
if (priv->slaves == NULL && priv->state == NM_DEVICE_STATE_ACTIVATED)
_LOGD (LOGD_DEVICE, "last slave removed; remaining activated");
}
}
/**
* nm_device_master_add_slave:
* @self: the master device
* @slave: the slave device to enslave
* @configure: pass %TRUE if the slave should be configured by the master, or
* %FALSE if it is already configured outside NetworkManager
*
* If @self is capable of enslaving other devices (ie it's a bridge, bond, team,
* etc) then this function adds @slave to the slave list for later enslavement.
*
* Returns: %TRUE on success, %FALSE on failure
*/
static gboolean
nm_device_master_add_slave (NMDevice *self, NMDevice *slave, gboolean configure)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
SlaveInfo *info;
g_return_val_if_fail (self != NULL, FALSE);
g_return_val_if_fail (slave != NULL, FALSE);
g_return_val_if_fail (NM_DEVICE_GET_CLASS (self)->enslave_slave != NULL, FALSE);
if (configure)
g_return_val_if_fail (nm_device_get_state (slave) >= NM_DEVICE_STATE_DISCONNECTED, FALSE);
if (!find_slave_info (self, slave)) {
info = g_malloc0 (sizeof (SlaveInfo));
info->slave = g_object_ref (slave);
info->configure = configure;
info->watch_id = g_signal_connect (slave, "state-changed",
G_CALLBACK (slave_state_changed), self);
priv->slaves = g_slist_append (priv->slaves, info);
}
nm_device_queue_recheck_assume (self);
return TRUE;
}
/**
* nm_device_master_get_slaves:
* @self: the master device
*
* Returns: any slaves of which @self is the master. Caller owns returned list.
*/
GSList *
nm_device_master_get_slaves (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GSList *slaves = NULL, *iter;
for (iter = priv->slaves; iter; iter = g_slist_next (iter))
slaves = g_slist_prepend (slaves, ((SlaveInfo *) iter->data)->slave);
return slaves;
}
/**
* nm_device_master_get_slave_by_ifindex:
* @self: the master device
* @ifindex: the slave's interface index
*
* Returns: the slave with the given @ifindex of which @self is the master,
* or %NULL if no device with @ifindex is a slave of @self.
*/
NMDevice *
nm_device_master_get_slave_by_ifindex (NMDevice *self, int ifindex)
{
GSList *iter;
for (iter = NM_DEVICE_GET_PRIVATE (self)->slaves; iter; iter = g_slist_next (iter)) {
SlaveInfo *info = iter->data;
if (nm_device_get_ip_ifindex (info->slave) == ifindex)
return info->slave;
}
return NULL;
}
/**
* nm_device_master_check_slave_physical_port:
* @self: the master device
* @slave: a slave device
* @log_domain: domain to log a warning in
*
* Checks if @self already has a slave with the same #NMDevice:physical-port-id
* as @slave, and logs a warning if so.
*/
void
nm_device_master_check_slave_physical_port (NMDevice *self, NMDevice *slave,
guint64 log_domain)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *slave_physical_port_id, *existing_physical_port_id;
SlaveInfo *info;
GSList *iter;
slave_physical_port_id = nm_device_get_physical_port_id (slave);
if (!slave_physical_port_id)
return;
for (iter = priv->slaves; iter; iter = iter->next) {
info = iter->data;
if (info->slave == slave)
continue;
existing_physical_port_id = nm_device_get_physical_port_id (info->slave);
if (!g_strcmp0 (slave_physical_port_id, existing_physical_port_id)) {
_LOGW (log_domain, "slave %s shares a physical port with existing slave %s",
nm_device_get_ip_iface (slave),
nm_device_get_ip_iface (info->slave));
/* Since this function will get called for every slave, we only have
* to warn about the first match we find; if there are other matches
* later in the list, we will have already warned about them matching
* @existing earlier.
*/
return;
}
}
}
/* release all slaves */
static void
nm_device_master_release_slaves (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceStateReason reason;
/* Don't release the slaves if this connection doesn't belong to NM. */
if (nm_device_uses_generated_assumed_connection (self))
return;
reason = priv->state_reason;
if (priv->state == NM_DEVICE_STATE_FAILED)
reason = NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED;
while (priv->slaves) {
SlaveInfo *info = priv->slaves->data;
nm_device_release_one_slave (self, info->slave, TRUE, reason);
}
}
/**
* nm_device_get_master:
* @self: the device
*
* If @self has been enslaved by another device, this returns that
* device. Otherwise it returns %NULL. (In particular, note that if
* @self is in the process of activating as a slave, but has not yet
* been enslaved by its master, this will return %NULL.)
*
* Returns: (transfer none): @self's master, or %NULL
*/
NMDevice *
nm_device_get_master (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->enslaved)
return priv->master;
else
return NULL;
}
/**
* nm_device_slave_notify_enslave:
* @self: the slave device
* @success: whether the enslaving operation succeeded
*
* Notifies a slave that either it has been enslaved, or else its master tried
* to enslave it and failed.
*/
static void
nm_device_slave_notify_enslave (NMDevice *self, gboolean success)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection = nm_device_get_connection (self);
gboolean activating = (priv->state == NM_DEVICE_STATE_IP_CONFIG);
g_assert (priv->master);
if (!priv->enslaved) {
if (success) {
if (activating) {
_LOGI (LOGD_DEVICE, "Activation: connection '%s' enslaved, continuing activation",
nm_connection_get_id (connection));
} else
_LOGI (LOGD_DEVICE, "enslaved to %s", nm_device_get_iface (priv->master));
priv->enslaved = TRUE;
g_object_notify (G_OBJECT (self), NM_DEVICE_MASTER);
} else if (activating) {
_LOGW (LOGD_DEVICE, "Activation: connection '%s' could not be enslaved",
nm_connection_get_id (connection));
}
}
if (activating) {
priv->ip4_state = IP_DONE;
priv->ip6_state = IP_DONE;
nm_device_queue_state (self,
success ? NM_DEVICE_STATE_SECONDARIES : NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_NONE);
} else
nm_device_queue_recheck_assume (self);
}
/**
* nm_device_slave_notify_release:
* @self: the slave device
* @reason: the reason associated with the state change
*
* Notifies a slave that it has been released, and why.
*/
static void
nm_device_slave_notify_release (NMDevice *self, NMDeviceStateReason reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection = nm_device_get_connection (self);
NMDeviceState new_state;
const char *master_status;
if ( reason != NM_DEVICE_STATE_REASON_NONE
&& priv->state > NM_DEVICE_STATE_DISCONNECTED
&& priv->state <= NM_DEVICE_STATE_ACTIVATED) {
if (reason == NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED) {
new_state = NM_DEVICE_STATE_FAILED;
master_status = "failed";
} else if (reason == NM_DEVICE_STATE_REASON_USER_REQUESTED) {
new_state = NM_DEVICE_STATE_DEACTIVATING;
master_status = "deactivated by user request";
} else {
new_state = NM_DEVICE_STATE_DISCONNECTED;
master_status = "deactivated";
}
_LOGD (LOGD_DEVICE, "Activation: connection '%s' master %s",
nm_connection_get_id (connection),
master_status);
nm_device_queue_state (self, new_state, reason);
} else if (priv->master)
_LOGI (LOGD_DEVICE, "released from master %s", nm_device_get_iface (priv->master));
else
_LOGD (LOGD_DEVICE, "released from master%s", priv->enslaved ? "" : " (was not enslaved)");
if (priv->enslaved) {
priv->enslaved = FALSE;
g_object_notify (G_OBJECT (self), NM_DEVICE_MASTER);
}
}
/**
* nm_device_get_enslaved:
* @self: the #NMDevice
*
* Returns: %TRUE if the device is enslaved to a master device (eg bridge or
* bond or team), %FALSE if not
*/
gboolean
nm_device_get_enslaved (NMDevice *self)
{
return NM_DEVICE_GET_PRIVATE (self)->enslaved;
}
/**
* nm_device_removed:
* @self: the #NMDevice
*
* Called by the manager when the device was removed. Releases the device from
* the master in case it's enslaved.
*/
void
nm_device_removed (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->enslaved)
nm_device_release_one_slave (priv->master, self, FALSE, NM_DEVICE_STATE_REASON_REMOVED);
}
static gboolean
is_available (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
return priv->carrier || priv->ignore_carrier;
}
/**
* nm_device_is_available:
* @self: the #NMDevice
*
* Checks if @self would currently be capable of activating a
* connection. In particular, it checks that the device is ready (eg,
* is not missing firmware), that it has carrier (if necessary), and
* that any necessary external software (eg, ModemManager,
* wpa_supplicant) is available.
*
* @self can only be in a state higher than
* %NM_DEVICE_STATE_UNAVAILABLE when nm_device_is_available() returns
* %TRUE. (But note that it can still be %NM_DEVICE_STATE_UNMANAGED
* when it is available.)
*
* Returns: %TRUE or %FALSE
*/
gboolean
nm_device_is_available (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->firmware_missing)
return FALSE;
return NM_DEVICE_GET_CLASS (self)->is_available (self);
}
gboolean
nm_device_get_enabled (NMDevice *self)
{
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 (NM_IS_DEVICE (self));
if (NM_DEVICE_GET_CLASS (self)->set_enabled)
NM_DEVICE_GET_CLASS (self)->set_enabled (self, enabled);
}
/**
* nm_device_get_autoconnect:
* @self: the #NMDevice
*
* Returns: %TRUE if the device allows autoconnect connections, or %FALSE if the
* device is explicitly blocking all autoconnect connections. Does not take
* into account transient conditions like companion devices that may wish to
* block the device.
*/
gboolean
nm_device_get_autoconnect (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
return NM_DEVICE_GET_PRIVATE (self)->autoconnect;
}
static void
nm_device_set_autoconnect (NMDevice *self, gboolean autoconnect)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->autoconnect == autoconnect)
return;
if (autoconnect) {
/* Default-unmanaged devices never autoconnect */
if (!nm_device_get_default_unmanaged (self)) {
priv->autoconnect = TRUE;
g_object_notify (G_OBJECT (self), NM_DEVICE_AUTOCONNECT);
}
} else {
priv->autoconnect = FALSE;
g_object_notify (G_OBJECT (self), NM_DEVICE_AUTOCONNECT);
}
}
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;
}
/**
* nm_device_autoconnect_allowed:
* @self: the #NMDevice
*
* Returns: %TRUE if the device can be auto-connected immediately, taking
* transient conditions into account (like companion devices that may wish to
* block autoconnect for a time).
*/
gboolean
nm_device_autoconnect_allowed (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GValue instance = G_VALUE_INIT;
GValue retval = G_VALUE_INIT;
if (priv->state < NM_DEVICE_STATE_DISCONNECTED || !priv->autoconnect)
return FALSE;
/* The 'autoconnect-allowed' signal is emitted on a device to allow
* other listeners to block autoconnect on the device if they wish.
* This is mainly used by the OLPC Mesh devices to block autoconnect
* on their companion WiFi device as they share radio resources and
* cannot be connected at the same time.
*/
g_value_init (&instance, G_TYPE_OBJECT);
g_value_set_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);
g_value_unset (&instance);
return g_value_get_boolean (&retval);
}
static gboolean
can_auto_connect (NMDevice *self,
NMConnection *connection,
char **specific_object)
{
NMSettingConnection *s_con;
s_con = nm_connection_get_setting_connection (connection);
if (!nm_setting_connection_get_autoconnect (s_con))
return FALSE;
return nm_device_connection_is_available (self, connection, FALSE);
}
/**
* nm_device_can_auto_connect:
* @self: an #NMDevice
* @connection: a #NMConnection
* @specific_object: (out) (transfer full): on output, the path of an
* object associated with the returned connection, to be passed to
* nm_manager_activate_connection(), or %NULL.
*
* Checks if @connection can be auto-activated on @self right now.
* This requires, at a minimum, that the connection be compatible with
* @self, and that it have the #NMSettingConnection:autoconnect property
* set, and that the device allow auto connections. Some devices impose
* additional requirements. (Eg, a Wi-Fi connection can only be activated
* if its SSID was seen in the last scan.)
*
* Returns: %TRUE, if the @connection can be auto-activated.
**/
gboolean
nm_device_can_auto_connect (NMDevice *self,
NMConnection *connection,
char **specific_object)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (NM_IS_CONNECTION (connection), FALSE);
g_return_val_if_fail (specific_object && !*specific_object, FALSE);
if (nm_device_autoconnect_allowed (self))
return NM_DEVICE_GET_CLASS (self)->can_auto_connect (self, connection, specific_object);
return FALSE;
}
static gboolean
device_has_config (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
/* Check for IP configuration. */
if (priv->ip4_config && nm_ip4_config_get_num_addresses (priv->ip4_config))
return TRUE;
if (priv->ip6_config && nm_ip6_config_get_num_addresses (priv->ip6_config))
return TRUE;
/* The existence of a software device is good enough. */
if (nm_device_is_software (self))
return TRUE;
/* Slaves are also configured by definition */
if (nm_platform_link_get_master (priv->ifindex) > 0)
return TRUE;
return FALSE;
}
/**
* nm_device_master_update_slave_connection:
* @self: the master #NMDevice
* @slave: the slave #NMDevice
* @connection: the #NMConnection to update with the slave settings
* @GError: (out): error description
*
* Reads the slave configuration for @slave and updates @connection with those
* properties. This invokes a virtual function on the master device @self.
*
* Returns: %TRUE if the configuration was read and @connection updated,
* %FALSE on failure.
*/
gboolean
nm_device_master_update_slave_connection (NMDevice *self,
NMDevice *slave,
NMConnection *connection,
GError **error)
{
NMDeviceClass *klass;
gboolean success;
g_return_val_if_fail (self, FALSE);
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (slave, FALSE);
g_return_val_if_fail (connection, FALSE);
g_return_val_if_fail (!error || !*error, FALSE);
g_return_val_if_fail (nm_connection_get_setting_connection (connection), FALSE);
g_return_val_if_fail (nm_device_get_iface (self), FALSE);
klass = NM_DEVICE_GET_CLASS (self);
if (klass->master_update_slave_connection) {
success = klass->master_update_slave_connection (self, slave, connection, error);
g_return_val_if_fail (!error || (success && !*error) || *error, success);
return success;
}
g_set_error (error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_FAILED,
"master device '%s' cannot update a slave connection for slave device '%s' (master type not supported?)",
nm_device_get_iface (self), nm_device_get_iface (slave));
return FALSE;
}
NMConnection *
nm_device_generate_connection (NMDevice *self, NMDevice *master)
{
NMDeviceClass *klass = NM_DEVICE_GET_CLASS (self);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *ifname = nm_device_get_iface (self);
NMConnection *connection;
NMSetting *s_con;
NMSetting *s_ip4;
NMSetting *s_ip6;
gs_free char *uuid = NULL;
const char *ip4_method, *ip6_method;
GError *error = NULL;
/* If update_connection() is not implemented, just fail. */
if (!klass->update_connection)
return NULL;
/* Return NULL if device is unconfigured. */
if (!device_has_config (self)) {
_LOGD (LOGD_DEVICE, "device has no existing configuration");
return NULL;
}
connection = nm_simple_connection_new ();
s_con = nm_setting_connection_new ();
uuid = nm_utils_uuid_generate ();
g_object_set (s_con,
NM_SETTING_CONNECTION_UUID, uuid,
NM_SETTING_CONNECTION_ID, ifname,
NM_SETTING_CONNECTION_AUTOCONNECT, FALSE,
NM_SETTING_CONNECTION_INTERFACE_NAME, ifname,
NM_SETTING_CONNECTION_TIMESTAMP, (guint64) time (NULL),
NULL);
if (klass->connection_type)
g_object_set (s_con, NM_SETTING_CONNECTION_TYPE, klass->connection_type, NULL);
nm_connection_add_setting (connection, s_con);
/* If the device is a slave, update various slave settings */
if (master) {
if (!nm_device_master_update_slave_connection (master,
self,
connection,
&error))
{
_LOGE (LOGD_DEVICE, "master device '%s' failed to update slave connection: %s",
nm_device_get_iface (master), error ? error->message : "(unknown error)");
g_error_free (error);
g_object_unref (connection);
return NULL;
}
} else {
/* Only regular and master devices get IP configuration; slaves do not */
s_ip4 = nm_ip4_config_create_setting (priv->ip4_config);
nm_connection_add_setting (connection, s_ip4);
s_ip6 = nm_ip6_config_create_setting (priv->ip6_config);
nm_connection_add_setting (connection, s_ip6);
}
klass->update_connection (self, connection);
/* Check the connection in case of update_connection() bug. */
if (!nm_connection_verify (connection, &error)) {
_LOGE (LOGD_DEVICE, "Generated connection does not verify: %s", error->message);
g_clear_error (&error);
g_object_unref (connection);
return NULL;
}
/* Ignore the connection if it has no IP configuration,
* no slave configuration, and is not a master interface.
*/
ip4_method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
ip6_method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
if ( g_strcmp0 (ip4_method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0
&& g_strcmp0 (ip6_method, NM_SETTING_IP6_CONFIG_METHOD_IGNORE) == 0
&& !nm_setting_connection_get_master (NM_SETTING_CONNECTION (s_con))
&& !priv->slaves) {
_LOGD (LOGD_DEVICE, "ignoring generated connection (no IP and not in master-slave relationship)");
g_object_unref (connection);
connection = NULL;
}
return connection;
}
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_INVALID_CONNECTION,
"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;
}
static gboolean
check_connection_compatible (NMDevice *self, NMConnection *connection)
{
NMSettingConnection *s_con;
const char *config_iface, *device_iface;
s_con = nm_connection_get_setting_connection (connection);
g_assert (s_con);
config_iface = nm_setting_connection_get_interface_name (s_con);
device_iface = nm_device_get_iface (self);
if (config_iface && strcmp (config_iface, device_iface) != 0)
return FALSE;
return TRUE;
}
/**
* nm_device_check_connection_compatible:
* @self: an #NMDevice
* @connection: an #NMConnection
*
* Checks if @connection could potentially be activated on @self.
* This means only that @self has the proper capabilities, and that
* @connection is not locked to some other device. It does not
* necessarily mean that @connection could be activated on @self
* right now. (Eg, it might refer to a Wi-Fi network that is not
* currently available.)
*
* Returns: #TRUE if @connection could potentially be activated on
* @self.
*/
gboolean
nm_device_check_connection_compatible (NMDevice *self, NMConnection *connection)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
g_return_val_if_fail (NM_IS_CONNECTION (connection), FALSE);
return NM_DEVICE_GET_CLASS (self)->check_connection_compatible (self, connection);
}
/**
* nm_device_can_assume_connections:
* @self: #NMDevice instance
*
* This is a convenience function to determine whether connection assumption
* is available for this device.
*
* Returns: %TRUE if the device is capable of assuming connections, %FALSE if not
*/
static gboolean
nm_device_can_assume_connections (NMDevice *self)
{
return !!NM_DEVICE_GET_CLASS (self)->update_connection;
}
/**
* nm_device_can_assume_active_connection:
* @self: #NMDevice instance
*
* This is a convenience function to determine whether the device's active
* connection can be assumed if NetworkManager restarts. This method returns
* %TRUE if and only if the device can assume connections, and the device has
* an active connection, and that active connection can be assumed.
*
* Returns: %TRUE if the device's active connection can be assumed, or %FALSE
* if there is no active connection or the active connection cannot be
* assumed.
*/
gboolean
nm_device_can_assume_active_connection (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
const char *method;
const char *assumable_ip6_methods[] = {
NM_SETTING_IP6_CONFIG_METHOD_IGNORE,
NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NM_SETTING_IP6_CONFIG_METHOD_DHCP,
NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL,
NM_SETTING_IP6_CONFIG_METHOD_MANUAL,
NULL
};
const char *assumable_ip4_methods[] = {
NM_SETTING_IP4_CONFIG_METHOD_DISABLED,
NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NM_SETTING_IP6_CONFIG_METHOD_MANUAL,
NULL
};
if (!nm_device_can_assume_connections (self))
return FALSE;
connection = nm_device_get_connection (self);
if (!connection)
return FALSE;
/* Can't assume connections that aren't yet configured
* FIXME: what about bridges/bonds waiting for slaves?
*/
if (priv->state < NM_DEVICE_STATE_IP_CONFIG)
return FALSE;
if (priv->ip4_state != IP_DONE && priv->ip6_state != IP_DONE)
return FALSE;
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
if (!_nm_utils_string_in_list (method, assumable_ip6_methods))
return FALSE;
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
if (!_nm_utils_string_in_list (method, assumable_ip4_methods))
return FALSE;
return TRUE;
}
static gboolean
nm_device_emit_recheck_assume (gpointer self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->recheck_assume_id = 0;
if (!nm_device_get_act_request (self)) {
_LOGD (LOGD_DEVICE, "emit RECHECK_ASSUME signal");
g_signal_emit (self, signals[RECHECK_ASSUME], 0);
}
return G_SOURCE_REMOVE;
}
void
nm_device_queue_recheck_assume (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (nm_device_can_assume_connections (self) && !priv->recheck_assume_id)
priv->recheck_assume_id = g_idle_add (nm_device_emit_recheck_assume, self);
}
void
nm_device_emit_recheck_auto_activate (NMDevice *self)
{
g_signal_emit (self, signals[RECHECK_AUTO_ACTIVATE], 0);
}
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)
_LOGE (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;
}
}
static gboolean
get_ip_config_may_fail (NMDevice *self, int family)
{
NMConnection *connection;
NMSettingIPConfig *s_ip = NULL;
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 */
switch (family) {
case AF_INET:
s_ip = nm_connection_get_setting_ip4_config (connection);
break;
case AF_INET6:
s_ip = nm_connection_get_setting_ip6_config (connection);
break;
default:
g_assert_not_reached ();
}
return nm_setting_ip_config_get_may_fail (s_ip);
}
static void
master_ready_cb (NMActiveConnection *active,
GParamSpec *pspec,
NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActiveConnection *master;
g_assert (priv->state == NM_DEVICE_STATE_PREPARE);
/* Notify a master device that it has a new slave */
g_assert (nm_active_connection_get_master_ready (active));
master = nm_active_connection_get_master (active);
priv->master = g_object_ref (nm_active_connection_get_device (master));
nm_device_master_add_slave (priv->master,
self,
nm_active_connection_get_assumed (active) ? FALSE : TRUE);
_LOGD (LOGD_DEVICE, "master connection ready; master device %s",
nm_device_get_iface (priv->master));
if (priv->master_ready_id) {
g_signal_handler_disconnect (active, priv->master_ready_id);
priv->master_ready_id = 0;
}
nm_device_activate_schedule_stage2_device_config (self);
}
static NMActStageReturn
act_stage1_prepare (NMDevice *self, NMDeviceStateReason *reason)
{
return NM_ACT_STAGE_RETURN_SUCCESS;
}
/*
* 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);
NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
NMActiveConnection *active = NM_ACTIVE_CONNECTION (priv->act_request);
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
priv->ip4_state = priv->ip6_state = IP_NONE;
/* Notify the new ActiveConnection along with the state change */
g_object_notify (G_OBJECT (self), NM_DEVICE_ACTIVE_CONNECTION);
_LOGI (LOGD_DEVICE, "Activation: Stage 1 of 5 (Device Prepare) started...");
nm_device_state_changed (self, NM_DEVICE_STATE_PREPARE, NM_DEVICE_STATE_REASON_NONE);
/* Assumed connections were already set up outside NetworkManager */
if (!nm_active_connection_get_assumed (active)) {
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);
}
if (nm_active_connection_get_master (active)) {
/* If the master connection is ready for slaves, attach ourselves */
if (nm_active_connection_get_master_ready (active))
master_ready_cb (active, NULL, self);
else {
_LOGD (LOGD_DEVICE, "waiting for master connection to become ready");
/* Attach a signal handler and wait for the master connection to begin activating */
g_assert (priv->master_ready_id == 0);
priv->master_ready_id = g_signal_connect (active,
"notify::" NM_ACTIVE_CONNECTION_INT_MASTER_READY,
(GCallback) master_ready_cb,
self);
/* Postpone */
}
} else
nm_device_activate_schedule_stage2_device_config (self);
out:
_LOGI (LOGD_DEVICE, "Activation: Stage 1 of 5 (Device Prepare) complete.");
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);
_LOGI (LOGD_DEVICE, "Activation: Stage 1 of 5 (Device Prepare) scheduled...");
}
static NMActStageReturn
act_stage2_config (NMDevice *self, 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);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
gboolean no_firmware = FALSE;
NMActiveConnection *active = NM_ACTIVE_CONNECTION (priv->act_request);
GSList *iter;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
_LOGI (LOGD_DEVICE, "Activation: Stage 2 of 5 (Device Configure) starting...");
nm_device_state_changed (self, NM_DEVICE_STATE_CONFIG, NM_DEVICE_STATE_REASON_NONE);
/* Assumed connections were already set up outside NetworkManager */
if (!nm_active_connection_get_assumed (active)) {
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);
}
/* If we have slaves that aren't yet enslaved, do that now */
for (iter = priv->slaves; iter; iter = g_slist_next (iter)) {
SlaveInfo *info = iter->data;
NMDeviceState slave_state = nm_device_get_state (info->slave);
if (slave_state == NM_DEVICE_STATE_IP_CONFIG)
nm_device_enslave_slave (self, info->slave, nm_device_get_connection (info->slave));
else if ( nm_device_uses_generated_assumed_connection (self)
&& slave_state <= NM_DEVICE_STATE_DISCONNECTED)
nm_device_queue_recheck_assume (info->slave);
}
_LOGI (LOGD_DEVICE, "Activation: Stage 2 of 5 (Device Configure) successful.");
nm_device_activate_schedule_stage3_ip_config_start (self);
out:
_LOGI (LOGD_DEVICE, "Activation: Stage 2 of 5 (Device Configure) complete.");
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);
_LOGI (LOGD_DEVICE, "Activation: Stage 2 of 5 (Device Configure) scheduled...");
}
/*********************************************/
/* 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) {
nm_utils_kill_child_sync (priv->aipd_pid, SIGKILL, LOGD_AUTOIP4, "avahi-autoipd", NULL, 0, 0);
priv->aipd_pid = -1;
}
aipd_timeout_remove (self);
}
static NMIP4Config *
aipd_get_ip4_config (NMDevice *self, guint32 lla)
{
NMIP4Config *config = NULL;
NMPlatformIP4Address address;
NMPlatformIP4Route route;
config = nm_ip4_config_new ();
g_assert (config);
memset (&address, 0, sizeof (address));
address.address = lla;
address.plen = 16;
address.source = NM_IP_CONFIG_SOURCE_IP4LL;
nm_ip4_config_add_address (config, &address);
/* Add a multicast route for link-local connections: destination= 224.0.0.0, netmask=240.0.0.0 */
memset (&route, 0, sizeof (route));
route.network = htonl (0xE0000000L);
route.plen = 4;
route.source = NM_IP_CONFIG_SOURCE_IP4LL;
route.metric = nm_device_get_ip4_route_metric (self);
nm_ip4_config_add_route (config, &route);
return config;
}
#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;
const char *method;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
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 */
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
if (g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL) != 0)
return;
if (strcmp (event, "BIND") == 0) {
guint32 lla;
NMIP4Config *config;
if (inet_pton (AF_INET, address, &lla) <= 0) {
_LOGE (LOGD_AUTOIP4, "invalid address %s received from avahi-autoipd.", address);
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_AUTOIP_ERROR);
return;
}
if ((lla & IPV4LL_NETMASK) != IPV4LL_NETWORK) {
_LOGE (LOGD_AUTOIP4, "invalid address %s received from avahi-autoipd (not link-local).", 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) {
_LOGE (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) {
if (!ip4_config_merge_and_apply (self, config, TRUE, &reason)) {
_LOGE (LOGD_AUTOIP4, "failed to update IP4 config for autoip change.");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
} else
g_assert_not_reached ();
g_object_unref (config);
} else {
_LOGW (LOGD_AUTOIP4, "autoip address %s no longer valid because '%s'.", 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;
if (!priv->aipd_watch)
return;
priv->aipd_watch = 0;
if (WIFEXITED (status))
_LOGD (LOGD_AUTOIP4, "avahi-autoipd exited with error code %d", WEXITSTATUS (status));
else if (WIFSTOPPED (status))
_LOGW (LOGD_AUTOIP4, "avahi-autoipd stopped unexpectedly with signal %d", WSTOPSIG (status));
else if (WIFSIGNALED (status))
_LOGW (LOGD_AUTOIP4, "avahi-autoipd died with signal %d", WTERMSIG (status));
else
_LOGW (LOGD_AUTOIP4, "avahi-autoipd died from an unknown cause");
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) {
_LOGI (LOGD_AUTOIP4, "avahi-autoipd timed out.");
priv->aipd_timeout = 0;
aipd_cleanup (self);
if (priv->ip4_state == IP_CONF)
nm_device_activate_schedule_ip4_config_timeout (self);
}
return FALSE;
}
/* default to installed helper, but can be modified for testing */
const char *nm_device_autoipd_helper_path = LIBEXECDIR "/nm-avahi-autoipd.action";
static NMActStageReturn
aipd_start (NMDevice *self, NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *argv[6];
char *cmdline;
const char *aipd_binary;
int i = 0;
GError *error = NULL;
aipd_cleanup (self);
/* Find avahi-autoipd */
aipd_binary = nm_utils_find_helper ("avahi-autoipd", NULL, NULL);
if (!aipd_binary) {
_LOGW (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation: Stage 3 of 5 (IP Configure Start) failed"
" to start avahi-autoipd: not found");
*reason = NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
argv[i++] = aipd_binary;
argv[i++] = "--script";
argv[i++] = nm_device_autoipd_helper_path;
if (nm_logging_enabled (LOGL_DEBUG, LOGD_AUTOIP4))
argv[i++] = "--debug";
argv[i++] = nm_device_get_ip_iface (self);
argv[i++] = NULL;
cmdline = g_strjoinv (" ", (char **) argv);
_LOGD (LOGD_AUTOIP4, "running: %s", cmdline);
g_free (cmdline);
if (!g_spawn_async ("/", (char **) argv, NULL, G_SPAWN_DO_NOT_REAP_CHILD,
nm_utils_setpgid, NULL, &(priv->aipd_pid), &error)) {
_LOGW (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation: Stage 3 of 5 (IP Configure Start) failed"
" to start avahi-autoipd: %s",
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
aipd_cleanup (self);
return NM_ACT_STAGE_RETURN_FAILURE;
}
_LOGI (LOGD_DEVICE | LOGD_AUTOIP4,
"Activation: Stage 3 of 5 (IP Configure Start) started"
" avahi-autoipd...");
/* 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;
}
/*********************************************/
static gboolean
_device_get_default_route_from_platform (NMDevice *self, int addr_family, NMPlatformIPRoute *out_route)
{
gboolean success = FALSE;
int ifindex = nm_device_get_ip_ifindex (self);
GArray *routes;
if (addr_family == AF_INET)
routes = nm_platform_ip4_route_get_all (ifindex, NM_PLATFORM_GET_ROUTE_MODE_ONLY_DEFAULT);
else
routes = nm_platform_ip6_route_get_all (ifindex, NM_PLATFORM_GET_ROUTE_MODE_ONLY_DEFAULT);
if (routes) {
guint route_metric = G_MAXUINT32, m;
const NMPlatformIPRoute *route = NULL, *r;
guint i;
/* if there are several default routes, find the one with the best metric */
for (i = 0; i < routes->len; i++) {
if (addr_family == AF_INET) {
r = (const NMPlatformIPRoute *) &g_array_index (routes, NMPlatformIP4Route, i);
m = r->metric;
} else {
r = (const NMPlatformIPRoute *) &g_array_index (routes, NMPlatformIP6Route, i);
m = nm_utils_ip6_route_metric_normalize (r->metric);
}
if (!route || m < route_metric) {
route = r;
route_metric = m;
}
}
if (route) {
if (addr_family == AF_INET)
*((NMPlatformIP4Route *) out_route) = *((NMPlatformIP4Route *) route);
else
*((NMPlatformIP6Route *) out_route) = *((NMPlatformIP6Route *) route);
success = TRUE;
}
g_array_free (routes, TRUE);
}
return success;
}
/*********************************************/
static void
ensure_con_ipx_config (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
g_assert (!!priv->con_ip4_config == !!priv->con_ip6_config);
if (priv->con_ip4_config)
return;
connection = nm_device_get_connection (self);
if (!connection)
return;
priv->con_ip4_config = nm_ip4_config_new ();
priv->con_ip6_config = nm_ip6_config_new ();
nm_ip4_config_merge_setting (priv->con_ip4_config,
nm_connection_get_setting_ip4_config (connection),
nm_device_get_ip4_route_metric (self));
nm_ip6_config_merge_setting (priv->con_ip6_config,
nm_connection_get_setting_ip6_config (connection),
nm_device_get_ip6_route_metric (self));
if (nm_device_uses_assumed_connection (self)) {
/* For assumed connections ignore all addresses and routes. */
nm_ip4_config_reset_addresses (priv->con_ip4_config);
nm_ip4_config_reset_routes (priv->con_ip4_config);
nm_ip6_config_reset_addresses (priv->con_ip6_config);
nm_ip6_config_reset_routes (priv->con_ip6_config);
}
}
/*********************************************/
/* DHCPv4 stuff */
static void
dhcp4_cleanup (NMDevice *self, gboolean stop, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
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;
}
nm_device_remove_pending_action (self, PENDING_ACTION_DHCP4, FALSE);
if (stop)
nm_dhcp_client_stop (priv->dhcp4_client, release);
g_clear_object (&priv->dhcp4_client);
}
if (priv->dhcp4_config) {
g_clear_object (&priv->dhcp4_config);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP4_CONFIG);
}
}
static gboolean
ip4_config_merge_and_apply (NMDevice *self,
NMIP4Config *config,
gboolean commit,
NMDeviceStateReason *out_reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
gboolean success;
NMIP4Config *composite;
gboolean has_direct_route;
const guint32 default_route_metric = nm_device_get_ip4_route_metric (self);
guint32 gateway;
/* Merge all the configs into the composite config */
if (config) {
g_clear_object (&priv->dev_ip4_config);
priv->dev_ip4_config = g_object_ref (config);
}
composite = nm_ip4_config_new ();
ensure_con_ipx_config (self);
if (priv->dev_ip4_config)
nm_ip4_config_merge (composite, priv->dev_ip4_config);
if (priv->vpn4_config)
nm_ip4_config_merge (composite, priv->vpn4_config);
if (priv->ext_ip4_config)
nm_ip4_config_merge (composite, priv->ext_ip4_config);
/* Merge WWAN config *last* to ensure modem-given settings overwrite
* any external stuff set by pppd or other scripts.
*/
if (priv->wwan_ip4_config)
nm_ip4_config_merge (composite, priv->wwan_ip4_config);
/* Merge user overrides into the composite config. For assumed connection,
* con_ip4_config is empty. */
if (priv->con_ip4_config)
nm_ip4_config_merge (composite, priv->con_ip4_config);
connection = nm_device_get_connection (self);
/* Add the default route.
*
* We keep track of the default route of a device in a private field.
* NMDevice needs to know the default route at this point, because the gateway
* might require a direct route (see below).
*
* But also, we don't want to add the default route to priv->ip4_config,
* because the default route from the setting might not be the same that
* NMDefaultRouteManager eventually configures (because the it might
* tweak the effective metric).
*/
/* unless we come to a different conclusion below, we have no default route and
* the route is assumed. */
priv->default_route.v4_has = FALSE;
priv->default_route.v4_is_assumed = TRUE;
if (!commit) {
/* during a non-commit event, we always pickup whatever is configured. */
goto END_ADD_DEFAULT_ROUTE;
}
if (nm_device_uses_assumed_connection (self))
goto END_ADD_DEFAULT_ROUTE;
/* we are about to commit (for a non-assumed connection). Enforce whatever we have
* configured. */
priv->default_route.v4_is_assumed = FALSE;
if ( !connection
|| !nm_default_route_manager_ip4_connection_has_default_route (nm_default_route_manager_get (), connection))
goto END_ADD_DEFAULT_ROUTE;
if (!nm_ip4_config_get_num_addresses (composite)) {
/* without addresses we can have no default route. */
goto END_ADD_DEFAULT_ROUTE;
}
gateway = nm_ip4_config_get_gateway (composite);
if ( !gateway
&& nm_device_get_device_type (self) != NM_DEVICE_TYPE_MODEM)
goto END_ADD_DEFAULT_ROUTE;
has_direct_route = ( gateway == 0
|| nm_ip4_config_get_subnet_for_host (composite, gateway)
|| nm_ip4_config_get_direct_route_for_host (composite, gateway));
priv->default_route.v4_has = TRUE;
memset (&priv->default_route.v4, 0, sizeof (priv->default_route.v4));
priv->default_route.v4.source = NM_IP_CONFIG_SOURCE_USER;
priv->default_route.v4.gateway = gateway;
priv->default_route.v4.metric = default_route_metric;
priv->default_route.v4.mss = nm_ip4_config_get_mss (composite);
if (!has_direct_route) {
NMPlatformIP4Route r = priv->default_route.v4;
/* add a direct route to the gateway */
r.network = gateway;
r.plen = 32;
r.gateway = 0;
nm_ip4_config_add_route (composite, &r);
}
END_ADD_DEFAULT_ROUTE:
if (priv->default_route.v4_is_assumed) {
/* If above does not explicitly assign a default route, we always pick up the
* default route based on what is currently configured.
* That means that even managed connections with never-default, can
* get a default route (if configured externally).
*/
priv->default_route.v4_has = _device_get_default_route_from_platform (self, AF_INET, (NMPlatformIPRoute *) &priv->default_route.v4);
}
/* Allow setting MTU etc */
if (commit) {
if (NM_DEVICE_GET_CLASS (self)->ip4_config_pre_commit)
NM_DEVICE_GET_CLASS (self)->ip4_config_pre_commit (self, composite);
}
success = nm_device_set_ip4_config (self, composite, default_route_metric, commit, out_reason);
g_object_unref (composite);
return success;
}
static void
dhcp4_lease_change (NMDevice *self, NMIP4Config *config)
{
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
g_return_if_fail (config != NULL);
if (!ip4_config_merge_and_apply (self, config, TRUE, &reason)) {
_LOGW (LOGD_DHCP4, "failed to update IPv4 config for DHCP change.");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
} else {
/* Notify dispatcher scripts of new DHCP4 config */
nm_dispatcher_call (DISPATCHER_ACTION_DHCP4_CHANGE,
nm_device_get_connection (self),
self,
NULL,
NULL,
NULL);
}
}
static void
dhcp4_fail (NMDevice *self, gboolean timeout)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
dhcp4_cleanup (self, TRUE, FALSE);
if (timeout || (priv->ip4_state == IP_CONF))
nm_device_activate_schedule_ip4_config_timeout (self);
else if (priv->ip4_state == IP_DONE)
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
else
g_warn_if_reached ();
}
static void
dhcp4_update_config (NMDevice *self, NMDhcp4Config *config, GHashTable *options)
{
GHashTableIter iter;
const char *key, *value;
/* Update the DHCP4 config object with new DHCP options */
nm_dhcp4_config_reset (config);
g_hash_table_iter_init (&iter, options);
while (g_hash_table_iter_next (&iter, (gpointer) &key, (gpointer) &value))
nm_dhcp4_config_add_option (config, key, value);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP4_CONFIG);
}
static void
dhcp4_state_changed (NMDhcpClient *client,
NMDhcpState state,
NMIP4Config *ip4_config,
GHashTable *options,
gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == FALSE);
g_return_if_fail (!ip4_config || NM_IS_IP4_CONFIG (ip4_config));
_LOGD (LOGD_DHCP4, "new DHCPv4 client state %d", state);
switch (state) {
case NM_DHCP_STATE_BOUND:
if (!ip4_config) {
_LOGW (LOGD_DHCP4, "failed to get IPv4 config in response to DHCP event.");
nm_device_state_changed (self,
NM_DEVICE_STATE_FAILED,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
break;
}
dhcp4_update_config (self, priv->dhcp4_config, options);
if (priv->ip4_state == IP_CONF)
nm_device_activate_schedule_ip4_config_result (self, ip4_config);
else if (priv->ip4_state == IP_DONE)
dhcp4_lease_change (self, ip4_config);
break;
case NM_DHCP_STATE_TIMEOUT:
dhcp4_fail (self, TRUE);
break;
case NM_DHCP_STATE_EXPIRE:
/* Ignore expiry before we even have a lease (NAK, old lease, etc) */
if (priv->ip4_state == IP_CONF)
break;
/* Fall through */
case NM_DHCP_STATE_DONE:
case NM_DHCP_STATE_FAIL:
dhcp4_fail (self, FALSE);
break;
default:
break;
}
}
static NMActStageReturn
dhcp4_start (NMDevice *self,
NMConnection *connection,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMSettingIPConfig *s_ip4;
const guint8 *hw_addr;
size_t hw_addr_len = 0;
GByteArray *tmp = NULL;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
/* Clear old exported DHCP options */
if (priv->dhcp4_config)
g_object_unref (priv->dhcp4_config);
priv->dhcp4_config = nm_dhcp4_config_new ();
hw_addr = nm_platform_link_get_address (nm_device_get_ip_ifindex (self), &hw_addr_len);
if (hw_addr_len) {
tmp = g_byte_array_sized_new (hw_addr_len);
g_byte_array_append (tmp, hw_addr, hw_addr_len);
}
/* Begin DHCP on the interface */
g_warn_if_fail (priv->dhcp4_client == NULL);
priv->dhcp4_client = nm_dhcp_manager_start_ip4 (nm_dhcp_manager_get (),
nm_device_get_ip_iface (self),
nm_device_get_ip_ifindex (self),
tmp,
nm_connection_get_uuid (connection),
nm_device_get_ip4_route_metric (self),
nm_setting_ip_config_get_dhcp_send_hostname (s_ip4),
nm_setting_ip_config_get_dhcp_hostname (s_ip4),
nm_setting_ip4_config_get_dhcp_client_id (NM_SETTING_IP4_CONFIG (s_ip4)),
priv->dhcp_timeout,
priv->dhcp_anycast_address,
NULL);
if (tmp)
g_byte_array_free (tmp, TRUE);
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,
NM_DHCP_CLIENT_SIGNAL_STATE_CHANGED,
G_CALLBACK (dhcp4_state_changed),
self);
nm_device_add_pending_action (self, PENDING_ACTION_DHCP4, TRUE);
/* 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);
_LOGI (LOGD_DHCP4, "DHCPv4 lease renewal requested");
/* 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 gboolean
reserve_shared_ip (NMDevice *self, NMSettingIPConfig *s_ip4, NMPlatformIP4Address *address)
{
if (G_UNLIKELY (shared_ips == NULL))
shared_ips = g_hash_table_new (g_direct_hash, g_direct_equal);
memset (address, 0, sizeof (*address));
if (s_ip4 && nm_setting_ip_config_get_num_addresses (s_ip4)) {
/* Use the first user-supplied address */
NMIPAddress *user = nm_setting_ip_config_get_address (s_ip4, 0);
g_assert (user);
nm_ip_address_get_address_binary (user, &address->address);
address->plen = nm_ip_address_get_prefix (user);
} else {
/* Find an unused address in the 10.42.x.x range */
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)) {
_LOGE (LOGD_SHARING, "ran out of shared IP addresses!");
return FALSE;
}
}
address->address = start + count;
address->plen = 24;
g_hash_table_insert (shared_ips,
GUINT_TO_POINTER (address->address),
GUINT_TO_POINTER (TRUE));
}
return TRUE;
}
static NMIP4Config *
shared4_new_config (NMDevice *self, NMConnection *connection, NMDeviceStateReason *reason)
{
NMIP4Config *config = NULL;
NMPlatformIP4Address address;
g_return_val_if_fail (self != NULL, NULL);
if (!reserve_shared_ip (self, nm_connection_get_setting_ip4_config (connection), &address)) {
*reason = NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE;
return NULL;
}
config = nm_ip4_config_new ();
address.source = NM_IP_CONFIG_SOURCE_SHARED;
nm_ip4_config_add_address (config, &address);
/* Remove the address lock when the object gets disposed */
g_object_set_data_full (G_OBJECT (config), "shared-ip",
GUINT_TO_POINTER (address.address),
release_shared_ip);
return config;
}
/*********************************************/
static gboolean
connection_ip4_method_requires_carrier (NMConnection *connection,
gboolean *out_ip4_enabled)
{
const char *method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
static const char *ip4_carrier_methods[] = {
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP4_CONFIG_METHOD_LINK_LOCAL,
NULL
};
if (out_ip4_enabled)
*out_ip4_enabled = !!strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED);
return _nm_utils_string_in_list (method, ip4_carrier_methods);
}
static gboolean
connection_ip6_method_requires_carrier (NMConnection *connection,
gboolean *out_ip6_enabled)
{
const char *method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
static const char *ip6_carrier_methods[] = {
NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NM_SETTING_IP6_CONFIG_METHOD_DHCP,
NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL,
NULL
};
if (out_ip6_enabled)
*out_ip6_enabled = !!strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_IGNORE);
return _nm_utils_string_in_list (method, ip6_carrier_methods);
}
static gboolean
connection_requires_carrier (NMConnection *connection)
{
NMSettingIPConfig *s_ip4, *s_ip6;
gboolean ip4_carrier_wanted, ip6_carrier_wanted;
gboolean ip4_used = FALSE, ip6_used = FALSE;
ip4_carrier_wanted = connection_ip4_method_requires_carrier (connection, &ip4_used);
if (ip4_carrier_wanted) {
/* If IPv4 wants a carrier and cannot fail, the whole connection
* requires a carrier regardless of the IPv6 method.
*/
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (s_ip4 && !nm_setting_ip_config_get_may_fail (s_ip4))
return TRUE;
}
ip6_carrier_wanted = connection_ip6_method_requires_carrier (connection, &ip6_used);
if (ip6_carrier_wanted) {
/* If IPv6 wants a carrier and cannot fail, the whole connection
* requires a carrier regardless of the IPv4 method.
*/
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (s_ip6 && !nm_setting_ip_config_get_may_fail (s_ip6))
return TRUE;
}
/* If an IP version wants a carrier and and the other IP version isn't
* used, the connection requires carrier since it will just fail without one.
*/
if (ip4_carrier_wanted && !ip6_used)
return TRUE;
if (ip6_carrier_wanted && !ip4_used)
return TRUE;
/* If both want a carrier, the whole connection wants a carrier */
return ip4_carrier_wanted && ip6_carrier_wanted;
}
static gboolean
have_any_ready_slaves (NMDevice *self, const GSList *slaves)
{
const GSList *iter;
/* Any enslaved slave is "ready" in the generic case as it's
* at least >= NM_DEVCIE_STATE_IP_CONFIG and has had Layer 2
* properties set up.
*/
for (iter = slaves; iter; iter = g_slist_next (iter)) {
if (nm_device_get_enslaved (iter->data))
return TRUE;
}
return FALSE;
}
static gboolean
ip4_requires_slaves (NMConnection *connection)
{
const char *method;
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
return strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0;
}
static NMActStageReturn
act_stage3_ip4_config_start (NMDevice *self,
NMIP4Config **out_config,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMActStageReturn ret = NM_ACT_STAGE_RETURN_FAILURE;
const char *method;
GSList *slaves;
gboolean ready_slaves;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_device_get_connection (self);
g_assert (connection);
if ( connection_ip4_method_requires_carrier (connection, NULL)
&& priv->is_master
&& !priv->carrier) {
_LOGI (LOGD_IP4 | LOGD_DEVICE,
"IPv4 config waiting until carrier is on");
return NM_ACT_STAGE_RETURN_WAIT;
}
if (priv->is_master && ip4_requires_slaves (connection)) {
/* If the master has no ready slaves, and depends on slaves for
* a successful IPv4 attempt, then postpone IPv4 addressing.
*/
slaves = nm_device_master_get_slaves (self);
ready_slaves = NM_DEVICE_GET_CLASS (self)->have_any_ready_slaves (self, slaves);
g_slist_free (slaves);
if (ready_slaves == FALSE) {
_LOGI (LOGD_DEVICE | LOGD_IP4,
"IPv4 config waiting until slaves are ready");
return NM_ACT_STAGE_RETURN_WAIT;
}
}
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
/* 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, connection, 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 (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED) == 0) {
/* Nothing to do... */
ret = NM_ACT_STAGE_RETURN_STOP;
} else
_LOGW (LOGD_IP4, "unhandled IPv4 config method '%s'; will fail", method);
return ret;
}
/*********************************************/
/* DHCPv6 stuff */
static void
dhcp6_cleanup (NMDevice *self, gboolean stop, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->dhcp6_mode = NM_RDISC_DHCP_LEVEL_NONE;
g_clear_object (&priv->dhcp6_ip6_config);
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 (stop)
nm_dhcp_client_stop (priv->dhcp6_client, release);
g_clear_object (&priv->dhcp6_client);
}
nm_device_remove_pending_action (self, PENDING_ACTION_DHCP6, FALSE);
if (priv->dhcp6_config) {
g_clear_object (&priv->dhcp6_config);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP6_CONFIG);
}
}
static gboolean
ip6_config_merge_and_apply (NMDevice *self,
gboolean commit,
NMDeviceStateReason *out_reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
gboolean success;
NMIP6Config *composite;
gboolean has_direct_route;
const struct in6_addr *gateway;
/* If no config was passed in, create a new one */
composite = nm_ip6_config_new ();
ensure_con_ipx_config (self);
/* Merge all the IP configs into the composite config */
if (priv->ac_ip6_config)
nm_ip6_config_merge (composite, priv->ac_ip6_config);
if (priv->dhcp6_ip6_config)
nm_ip6_config_merge (composite, priv->dhcp6_ip6_config);
if (priv->vpn6_config)
nm_ip6_config_merge (composite, priv->vpn6_config);
if (priv->ext_ip6_config)
nm_ip6_config_merge (composite, priv->ext_ip6_config);
/* Merge WWAN config *last* to ensure modem-given settings overwrite
* any external stuff set by pppd or other scripts.
*/
if (priv->wwan_ip6_config)
nm_ip6_config_merge (composite, priv->wwan_ip6_config);
/* Merge user overrides into the composite config. For assumed connections,
* con_ip6_config is empty. */
if (priv->con_ip6_config)
nm_ip6_config_merge (composite, priv->con_ip6_config);
connection = nm_device_get_connection (self);
/* Add the default route.
*
* We keep track of the default route of a device in a private field.
* NMDevice needs to know the default route at this point, because the gateway
* might require a direct route (see below).
*
* But also, we don't want to add the default route to priv->ip6_config,
* because the default route from the setting might not be the same that
* NMDefaultRouteManager eventually configures (because the it might
* tweak the effective metric).
*/
/* unless we come to a different conclusion below, we have no default route and
* the route is assumed. */
priv->default_route.v6_has = FALSE;
priv->default_route.v6_is_assumed = TRUE;
if (!commit) {
/* during a non-commit event, we always pickup whatever is configured. */
goto END_ADD_DEFAULT_ROUTE;
}
if (nm_device_uses_assumed_connection (self))
goto END_ADD_DEFAULT_ROUTE;
/* we are about to commit (for a non-assumed connection). Enforce whatever we have
* configured. */
priv->default_route.v6_is_assumed = FALSE;
if ( !connection
|| !nm_default_route_manager_ip6_connection_has_default_route (nm_default_route_manager_get (), connection))
goto END_ADD_DEFAULT_ROUTE;
if (!nm_ip6_config_get_num_addresses (composite)) {
/* without addresses we can have no default route. */
goto END_ADD_DEFAULT_ROUTE;
}
gateway = nm_ip6_config_get_gateway (composite);
if (!gateway)
goto END_ADD_DEFAULT_ROUTE;
has_direct_route = nm_ip6_config_get_direct_route_for_host (composite, gateway) != NULL;
priv->default_route.v6_has = TRUE;
memset (&priv->default_route.v6, 0, sizeof (priv->default_route.v6));
priv->default_route.v6.source = NM_IP_CONFIG_SOURCE_USER;
priv->default_route.v6.gateway = *gateway;
priv->default_route.v6.metric = nm_device_get_ip6_route_metric (self);
priv->default_route.v6.mss = nm_ip6_config_get_mss (composite);
if (!has_direct_route) {
NMPlatformIP6Route r = priv->default_route.v6;
/* add a direct route to the gateway */
r.network = *gateway;
r.plen = 128;
r.gateway = in6addr_any;
nm_ip6_config_add_route (composite, &r);
}
END_ADD_DEFAULT_ROUTE:
if (priv->default_route.v6_is_assumed) {
/* If above does not explicitly assign a default route, we always pick up the
* default route based on what is currently configured.
* That means that even managed connections with never-default, can
* get a default route (if configured externally).
*/
priv->default_route.v6_has = _device_get_default_route_from_platform (self, AF_INET6, (NMPlatformIPRoute *) &priv->default_route.v6);
}
nm_ip6_config_addresses_sort (composite,
priv->rdisc ? priv->rdisc_use_tempaddr : NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN);
/* Allow setting MTU etc */
if (commit) {
if (NM_DEVICE_GET_CLASS (self)->ip6_config_pre_commit)
NM_DEVICE_GET_CLASS (self)->ip6_config_pre_commit (self, composite);
}
success = nm_device_set_ip6_config (self, composite, commit, out_reason);
g_object_unref (composite);
return success;
}
static void
dhcp6_lease_change (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
if (priv->dhcp6_ip6_config == NULL) {
_LOGW (LOGD_DHCP6, "failed to get DHCPv6 config for rebind");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
return;
}
g_assert (priv->dhcp6_client); /* sanity check */
connection = nm_device_get_connection (self);
g_assert (connection);
/* Apply the updated config */
if (ip6_config_merge_and_apply (self, TRUE, &reason) == FALSE) {
_LOGW (LOGD_DHCP6, "failed to update IPv6 config in response to DHCP event.");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
} else {
/* Notify dispatcher scripts of new DHCPv6 config */
nm_dispatcher_call (DISPATCHER_ACTION_DHCP6_CHANGE, connection, self, NULL, NULL, NULL);
}
}
static void
dhcp6_fail (NMDevice *self, gboolean timeout)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
dhcp6_cleanup (self, TRUE, FALSE);
if (priv->dhcp6_mode == NM_RDISC_DHCP_LEVEL_MANAGED) {
if (timeout || (priv->ip6_state == IP_CONF))
nm_device_activate_schedule_ip6_config_timeout (self);
else if (priv->ip6_state == IP_DONE)
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED);
else
g_warn_if_reached ();
} else {
/* not a hard failure; just live with the RA info */
if (priv->ip6_state == IP_CONF)
nm_device_activate_schedule_ip6_config_result (self);
}
}
static void
dhcp6_timeout (NMDevice *self, NMDhcpClient *client)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->dhcp6_mode == NM_RDISC_DHCP_LEVEL_MANAGED)
dhcp6_fail (self, TRUE);
else {
/* not a hard failure; just live with the RA info */
dhcp6_cleanup (self, TRUE, FALSE);
if (priv->ip6_state == IP_CONF)
nm_device_activate_schedule_ip6_config_result (self);
}
}
static void
dhcp6_update_config (NMDevice *self, NMDhcp6Config *config, GHashTable *options)
{
GHashTableIter iter;
const char *key, *value;
/* Update the DHCP6 config object with new DHCP options */
nm_dhcp6_config_reset (config);
g_hash_table_iter_init (&iter, options);
while (g_hash_table_iter_next (&iter, (gpointer) &key, (gpointer) &value))
nm_dhcp6_config_add_option (config, key, value);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP6_CONFIG);
}
static void
dhcp6_state_changed (NMDhcpClient *client,
NMDhcpState state,
NMIP6Config *ip6_config,
GHashTable *options,
gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (nm_dhcp_client_get_ipv6 (client) == TRUE);
g_return_if_fail (!ip6_config || NM_IS_IP6_CONFIG (ip6_config));
_LOGD (LOGD_DHCP6, "new DHCPv6 client state %d", state);
switch (state) {
case NM_DHCP_STATE_BOUND:
g_clear_object (&priv->dhcp6_ip6_config);
if (ip6_config) {
priv->dhcp6_ip6_config = g_object_ref (ip6_config);
dhcp6_update_config (self, priv->dhcp6_config, options);
}
if (priv->ip6_state == IP_CONF) {
if (priv->dhcp6_ip6_config == NULL) {
/* FIXME: Initial DHCP failed; should we fail IPv6 entirely then? */
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_DHCP_FAILED);
break;
}
nm_device_activate_schedule_ip6_config_result (self);
} else if (priv->ip6_state == IP_DONE)
dhcp6_lease_change (self);
break;
case NM_DHCP_STATE_TIMEOUT:
dhcp6_timeout (self, client);
break;
case NM_DHCP_STATE_EXPIRE:
/* Ignore expiry before we even have a lease (NAK, old lease, etc) */
if (priv->ip6_state != IP_CONF)
dhcp6_fail (self, FALSE);
break;
case NM_DHCP_STATE_DONE:
/* 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 == NM_RDISC_DHCP_LEVEL_OTHERCONF)
break;
/* Otherwise, fall through */
case NM_DHCP_STATE_FAIL:
dhcp6_fail (self, FALSE);
break;
default:
break;
}
}
static gboolean
dhcp6_start_with_link_ready (NMDevice *self, NMConnection *connection)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMSettingIPConfig *s_ip6;
GByteArray *tmp = NULL;
const guint8 *hw_addr;
size_t hw_addr_len = 0;
g_assert (connection);
s_ip6 = nm_connection_get_setting_ip6_config (connection);
g_assert (s_ip6);
hw_addr = nm_platform_link_get_address (nm_device_get_ip_ifindex (self), &hw_addr_len);
if (hw_addr_len) {
tmp = g_byte_array_sized_new (hw_addr_len);
g_byte_array_append (tmp, hw_addr, hw_addr_len);
}
priv->dhcp6_client = nm_dhcp_manager_start_ip6 (nm_dhcp_manager_get (),
nm_device_get_ip_iface (self),
nm_device_get_ip_ifindex (self),
tmp,
nm_connection_get_uuid (connection),
nm_device_get_ip6_route_metric (self),
nm_setting_ip_config_get_dhcp_send_hostname (s_ip6),
nm_setting_ip_config_get_dhcp_hostname (s_ip6),
priv->dhcp_timeout,
priv->dhcp_anycast_address,
(priv->dhcp6_mode == NM_RDISC_DHCP_LEVEL_OTHERCONF) ? TRUE : FALSE,
nm_setting_ip6_config_get_ip6_privacy (NM_SETTING_IP6_CONFIG (s_ip6)));
if (tmp)
g_byte_array_free (tmp, TRUE);
if (priv->dhcp6_client) {
priv->dhcp6_state_sigid = g_signal_connect (priv->dhcp6_client,
NM_DHCP_CLIENT_SIGNAL_STATE_CHANGED,
G_CALLBACK (dhcp6_state_changed),
self);
}
return !!priv->dhcp6_client;
}
static gboolean
dhcp6_start (NMDevice *self, gboolean wait_for_ll, NMDeviceStateReason *reason)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMSettingIPConfig *s_ip6;
g_clear_object (&priv->dhcp6_config);
priv->dhcp6_config = nm_dhcp6_config_new ();
g_warn_if_fail (priv->dhcp6_ip6_config == NULL);
g_clear_object (&priv->dhcp6_ip6_config);
connection = nm_device_get_connection (self);
g_assert (connection);
s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (!nm_setting_ip_config_get_may_fail (s_ip6) ||
!strcmp (nm_setting_ip_config_get_method (s_ip6), NM_SETTING_IP6_CONFIG_METHOD_DHCP))
nm_device_add_pending_action (self, PENDING_ACTION_DHCP6, TRUE);
if (wait_for_ll) {
NMActStageReturn ret;
/* ensure link local is ready... */
ret = linklocal6_start (self);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE) {
/* success; wait for the LL address to show up */
return TRUE;
}
/* success; already have the LL address; kick off DHCP */
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
}
if (!dhcp6_start_with_link_ready (self, connection)) {
*reason = NM_DEVICE_STATE_REASON_DHCP_START_FAILED;
return FALSE;
}
return TRUE;
}
gboolean
nm_device_dhcp6_renew (NMDevice *self, gboolean release)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_return_val_if_fail (priv->dhcp6_client != NULL, FALSE);
_LOGI (LOGD_DHCP6, "DHCPv6 lease renewal requested");
/* Terminate old DHCP instance and release the old lease */
dhcp6_cleanup (self, TRUE, release);
/* Start DHCP again on the interface */
return dhcp6_start (self, FALSE, NULL);
}
/******************************************/
static gboolean
have_ip6_address (const NMIP6Config *ip6_config, gboolean linklocal)
{
guint i;
if (!ip6_config)
return FALSE;
linklocal = !!linklocal;
for (i = 0; i < nm_ip6_config_get_num_addresses (ip6_config); i++) {
const NMPlatformIP6Address *addr = nm_ip6_config_get_address (ip6_config, i);
if ((IN6_IS_ADDR_LINKLOCAL (&addr->address) == linklocal) &&
!(addr->flags & IFA_F_TENTATIVE))
return TRUE;
}
return FALSE;
}
static void
linklocal6_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->linklocal6_timeout_id) {
g_source_remove (priv->linklocal6_timeout_id);
priv->linklocal6_timeout_id = 0;
}
}
static gboolean
linklocal6_timeout_cb (gpointer user_data)
{
NMDevice *self = user_data;
linklocal6_cleanup (self);
_LOGD (LOGD_DEVICE, "linklocal6: waiting for link-local addresses failed due to timeout");
nm_device_activate_schedule_ip6_config_timeout (self);
return G_SOURCE_REMOVE;
}
static void
linklocal6_complete (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
const char *method;
g_assert (priv->linklocal6_timeout_id);
g_assert (have_ip6_address (priv->ip6_config, TRUE));
linklocal6_cleanup (self);
connection = nm_device_get_connection (self);
g_assert (connection);
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
_LOGD (LOGD_DEVICE, "linklocal6: waiting for link-local addresses successful, continue with method %s", method);
if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0) {
if (!addrconf6_start_with_link_ready (self)) {
/* Time out IPv6 instead of failing the entire activation */
nm_device_activate_schedule_ip6_config_timeout (self);
}
} else if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_DHCP) == 0) {
if (!dhcp6_start_with_link_ready (self, connection)) {
/* Time out IPv6 instead of failing the entire activation */
nm_device_activate_schedule_ip6_config_timeout (self);
}
} else if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL) == 0)
nm_device_activate_schedule_ip6_config_result (self);
else
g_return_if_fail (FALSE);
}
static void
check_and_add_ipv6ll_addr (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int ip_ifindex = nm_device_get_ip_ifindex (self);
NMUtilsIPv6IfaceId iid;
struct in6_addr lladdr;
guint i, n;
if (priv->nm_ipv6ll == FALSE)
return;
if (priv->ip6_config) {
n = nm_ip6_config_get_num_addresses (priv->ip6_config);
for (i = 0; i < n; i++) {
const NMPlatformIP6Address *addr;
addr = nm_ip6_config_get_address (priv->ip6_config, i);
if (IN6_IS_ADDR_LINKLOCAL (&addr->address)) {
/* Already have an LL address, nothing to do */
return;
}
}
}
if (!nm_device_get_ip_iface_identifier (self, &iid)) {
_LOGW (LOGD_IP6, "failed to get interface identifier; IPv6 may be broken");
return;
}
memset (&lladdr, 0, sizeof (lladdr));
lladdr.s6_addr16[0] = htons (0xfe80);
nm_utils_ipv6_addr_set_interface_identfier (&lladdr, iid);
_LOGD (LOGD_IP6, "adding IPv6LL address %s", nm_utils_inet6_ntop (&lladdr, NULL));
if (!nm_platform_ip6_address_add (ip_ifindex,
lladdr,
in6addr_any,
64,
NM_PLATFORM_LIFETIME_PERMANENT,
NM_PLATFORM_LIFETIME_PERMANENT,
0)) {
_LOGW (LOGD_IP6, "failed to add IPv6 link-local address %s",
nm_utils_inet6_ntop (&lladdr, NULL));
}
}
static NMActStageReturn
linklocal6_start (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
const char *method;
linklocal6_cleanup (self);
if (have_ip6_address (priv->ip6_config, TRUE))
return NM_ACT_STAGE_RETURN_SUCCESS;
connection = nm_device_get_connection (self);
g_assert (connection);
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
_LOGD (LOGD_DEVICE, "linklocal6: starting IPv6 with method '%s', but the device has no link-local addresses configured. Wait.", method);
check_and_add_ipv6ll_addr (self);
priv->linklocal6_timeout_id = g_timeout_add_seconds (5, linklocal6_timeout_cb, self);
return NM_ACT_STAGE_RETURN_POSTPONE;
}
/******************************************/
static void
print_support_extended_ifa_flags (NMSettingIP6ConfigPrivacy use_tempaddr)
{
static gint8 warn = 0;
static gint8 s_libnl = -1, s_kernel;
if (warn >= 2)
return;
if (s_libnl == -1) {
s_libnl = !!nm_platform_check_support_libnl_extended_ifa_flags ();
s_kernel = !!nm_platform_check_support_kernel_extended_ifa_flags ();
if (s_libnl && s_kernel) {
nm_log_dbg (LOGD_IP6, "kernel and libnl support extended IFA_FLAGS (needed by NM for IPv6 private addresses)");
warn = 2;
return;
}
}
if ( use_tempaddr != NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR
&& use_tempaddr != NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR) {
if (warn == 0) {
nm_log_dbg (LOGD_IP6, "%s%s%s %s not support extended IFA_FLAGS (needed by NM for IPv6 private addresses)",
!s_kernel ? "kernel" : "",
!s_kernel && !s_libnl ? " and " : "",
!s_libnl ? "libnl" : "",
!s_kernel && !s_libnl ? "do" : "does");
warn = 1;
}
return;
}
if (!s_libnl && !s_kernel) {
nm_log_warn (LOGD_IP6, "libnl and the kernel do not support extended IFA_FLAGS needed by NM for "
"IPv6 private addresses. This feature is not available");
} else if (!s_libnl) {
nm_log_warn (LOGD_IP6, "libnl does not support extended IFA_FLAGS needed by NM for "
"IPv6 private addresses. This feature is not available");
} else if (!s_kernel) {
nm_log_warn (LOGD_IP6, "The kernel does not support extended IFA_FLAGS needed by NM for "
"IPv6 private addresses. This feature is not available");
}
warn = 2;
}
static void
rdisc_config_changed (NMRDisc *rdisc, NMRDiscConfigMap changed, NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int i;
static int system_support = -1;
guint ifa_flags = 0x00;
if (system_support == -1) {
/*
* Check, if both libnl and the kernel are recent enough,
* to help user space handling RA. If it's not supported,
* we have no ipv6-privacy and must add autoconf addresses
* as /128. The reason for the /128 is to prevent the kernel
* from adding a prefix route for this address.
**/
system_support = nm_platform_check_support_libnl_extended_ifa_flags () &&
nm_platform_check_support_kernel_extended_ifa_flags ();
}
if (system_support)
ifa_flags = IFA_F_NOPREFIXROUTE;
if (priv->rdisc_use_tempaddr == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR
|| priv->rdisc_use_tempaddr == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR)
{
/* without system_support, this flag will be ignored. Still set it, doesn't seem to do any harm. */
ifa_flags |= IFA_F_MANAGETEMPADDR;
}
g_return_if_fail (priv->act_request);
if (!priv->ac_ip6_config)
priv->ac_ip6_config = nm_ip6_config_new ();
if (changed & NM_RDISC_CONFIG_GATEWAYS) {
/* Use the first gateway as ordered in router discovery cache. */
if (rdisc->gateways->len) {
NMRDiscGateway *gateway = &g_array_index (rdisc->gateways, NMRDiscGateway, 0);
nm_ip6_config_set_gateway (priv->ac_ip6_config, &gateway->address);
} else
nm_ip6_config_set_gateway (priv->ac_ip6_config, NULL);
}
if (changed & NM_RDISC_CONFIG_ADDRESSES) {
/* Rebuild address list from router discovery cache. */
nm_ip6_config_reset_addresses (priv->ac_ip6_config);
/* rdisc->addresses contains at most max_addresses entries.
* This is different from what the kernel does, which
* also counts static and temporary addresses when checking
* max_addresses.
**/
for (i = 0; i < rdisc->addresses->len; i++) {
NMRDiscAddress *discovered_address = &g_array_index (rdisc->addresses, NMRDiscAddress, i);
NMPlatformIP6Address address;
memset (&address, 0, sizeof (address));
address.address = discovered_address->address;
address.plen = system_support ? 64 : 128;
address.timestamp = discovered_address->timestamp;
address.lifetime = discovered_address->lifetime;
address.preferred = discovered_address->preferred;
if (address.preferred > address.lifetime)
address.preferred = address.lifetime;
address.source = NM_IP_CONFIG_SOURCE_RDISC;
address.flags = ifa_flags;
nm_ip6_config_add_address (priv->ac_ip6_config, &address);
}
}
if (changed & NM_RDISC_CONFIG_ROUTES) {
/* Rebuild route list from router discovery cache. */
nm_ip6_config_reset_routes (priv->ac_ip6_config);
for (i = 0; i < rdisc->routes->len; i++) {
NMRDiscRoute *discovered_route = &g_array_index (rdisc->routes, NMRDiscRoute, i);
NMPlatformIP6Route route;
/* Only accept non-default routes. The router has no idea what the
* local configuration or user preferences are, so sending routes
* with a prefix length of 0 is quite rude and thus ignored.
*/
if (discovered_route->plen > 0) {
memset (&route, 0, sizeof (route));
route.network = discovered_route->network;
route.plen = discovered_route->plen;
route.gateway = discovered_route->gateway;
route.source = NM_IP_CONFIG_SOURCE_RDISC;
route.metric = nm_device_get_ip6_route_metric (self);
nm_ip6_config_add_route (priv->ac_ip6_config, &route);
}
}
}
if (changed & NM_RDISC_CONFIG_DNS_SERVERS) {
/* Rebuild DNS server list from router discovery cache. */
nm_ip6_config_reset_nameservers (priv->ac_ip6_config);
for (i = 0; i < rdisc->dns_servers->len; i++) {
NMRDiscDNSServer *discovered_server = &g_array_index (rdisc->dns_servers, NMRDiscDNSServer, i);
nm_ip6_config_add_nameserver (priv->ac_ip6_config, &discovered_server->address);
}
}
if (changed & NM_RDISC_CONFIG_DNS_DOMAINS) {
/* Rebuild domain list from router discovery cache. */
nm_ip6_config_reset_domains (priv->ac_ip6_config);
for (i = 0; i < rdisc->dns_domains->len; i++) {
NMRDiscDNSDomain *discovered_domain = &g_array_index (rdisc->dns_domains, NMRDiscDNSDomain, i);
nm_ip6_config_add_domain (priv->ac_ip6_config, discovered_domain->domain);
}
}
if (changed & NM_RDISC_CONFIG_DHCP_LEVEL) {
dhcp6_cleanup (self, TRUE, TRUE);
priv->dhcp6_mode = rdisc->dhcp_level;
if (priv->dhcp6_mode != NM_RDISC_DHCP_LEVEL_NONE) {
NMDeviceStateReason reason;
_LOGI (LOGD_DEVICE | LOGD_DHCP6,
"Activation: Stage 3 of 5 (IP Configure Start) starting DHCPv6"
" as requested by IPv6 router...");
if (!dhcp6_start (self, FALSE, &reason)) {
if (priv->dhcp6_mode == NM_RDISC_DHCP_LEVEL_MANAGED)
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
return;
}
}
/* hop_limit == 0 is a special value "unspecified", so do not touch
* in this case */
if (changed & NM_RDISC_CONFIG_HOP_LIMIT && rdisc->hop_limit > 0) {
char val[16];
g_snprintf (val, sizeof (val), "%d", rdisc->hop_limit);
nm_device_ipv6_sysctl_set (self, "hop_limit", val);
}
if (changed & NM_RDISC_CONFIG_MTU) {
char val[16];
g_snprintf (val, sizeof (val), "%d", rdisc->mtu);
nm_device_ipv6_sysctl_set (self, "mtu", val);
}
nm_device_activate_schedule_ip6_config_result (self);
}
static void
rdisc_ra_timeout (NMRDisc *rdisc, NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
/* We don't want to stop listening for router advertisements completely,
* but instead let device activation continue activating. If an RA
* shows up later, we'll use it as long as the device is not disconnected.
*/
_LOGD (LOGD_IP6, "timed out waiting for IPv6 router advertisement");
if (priv->ip6_state == IP_CONF) {
/* If RA is our only source of addressing information and we don't
* ever receive one, then time out IPv6. But if there is other
* IPv6 configuration, like manual IPv6 addresses or external IPv6
* config, consider that sufficient for IPv6 success.
*/
if (have_ip6_address (priv->ip6_config, FALSE))
nm_device_activate_schedule_ip6_config_result (self);
else
nm_device_activate_schedule_ip6_config_timeout (self);
}
}
static gboolean
addrconf6_start_with_link_ready (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMUtilsIPv6IfaceId iid;
g_assert (priv->rdisc);
if (nm_platform_link_get_ipv6_token (priv->ifindex, &iid)) {
_LOGD (LOGD_DEVICE, "IPv6 tokenized identifier present on device %s", priv->iface);
} else if (!nm_device_get_ip_iface_identifier (self, &iid)) {
_LOGW (LOGD_IP6, "failed to get interface identifier; IPv6 cannot continue");
return FALSE;
}
/* Apply any manual configuration before starting RA */
if (!ip6_config_merge_and_apply (self, TRUE, NULL))
_LOGW (LOGD_IP6, "failed to apply manual IPv6 configuration");
nm_device_ipv6_sysctl_set (self, "accept_ra", "1");
nm_device_ipv6_sysctl_set (self, "accept_ra_defrtr", "0");
nm_device_ipv6_sysctl_set (self, "accept_ra_pinfo", "0");
nm_device_ipv6_sysctl_set (self, "accept_ra_rtr_pref", "0");
priv->rdisc_changed_id = g_signal_connect (priv->rdisc,
NM_RDISC_CONFIG_CHANGED,
G_CALLBACK (rdisc_config_changed),
self);
priv->rdisc_timeout_id = g_signal_connect (priv->rdisc,
NM_RDISC_RA_TIMEOUT,
G_CALLBACK (rdisc_ra_timeout),
self);
nm_rdisc_set_iid (priv->rdisc, iid);
nm_rdisc_start (priv->rdisc);
return TRUE;
}
static gboolean
addrconf6_start (NMDevice *self, NMSettingIP6ConfigPrivacy use_tempaddr)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMActStageReturn ret;
const char *ip_iface = nm_device_get_ip_iface (self);
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;
}
priv->rdisc = nm_lndp_rdisc_new (nm_device_get_ip_ifindex (self), ip_iface);
if (!priv->rdisc) {
_LOGE (LOGD_IP6, "failed to start router discovery (%s)", ip_iface);
return FALSE;
}
priv->rdisc_use_tempaddr = use_tempaddr;
print_support_extended_ifa_flags (use_tempaddr);
if (!nm_setting_ip_config_get_may_fail (nm_connection_get_setting_ip6_config (connection)))
nm_device_add_pending_action (self, PENDING_ACTION_AUTOCONF6, TRUE);
/* ensure link local is ready... */
ret = linklocal6_start (self);
if (ret == NM_ACT_STAGE_RETURN_POSTPONE) {
/* success; wait for the LL address to show up */
return TRUE;
}
/* success; already have the LL address; kick off router discovery */
g_assert (ret == NM_ACT_STAGE_RETURN_SUCCESS);
return addrconf6_start_with_link_ready (self);
}
static void
addrconf6_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->rdisc_changed_id) {
g_signal_handler_disconnect (priv->rdisc, priv->rdisc_changed_id);
priv->rdisc_changed_id = 0;
}
if (priv->rdisc_timeout_id) {
g_signal_handler_disconnect (priv->rdisc, priv->rdisc_timeout_id);
priv->rdisc_timeout_id = 0;
}
nm_device_remove_pending_action (self, PENDING_ACTION_AUTOCONF6, FALSE);
g_clear_object (&priv->ac_ip6_config);
g_clear_object (&priv->rdisc);
}
/******************************************/
static const char *ip6_properties_to_save[] = {
"accept_ra",
"accept_ra_defrtr",
"accept_ra_pinfo",
"accept_ra_rtr_pref",
"disable_ipv6",
"hop_limit",
"use_tempaddr",
};
static void
save_ip6_properties (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *ifname = nm_device_get_ip_iface (self);
char *value;
int i;
g_hash_table_remove_all (priv->ip6_saved_properties);
for (i = 0; i < G_N_ELEMENTS (ip6_properties_to_save); i++) {
value = nm_platform_sysctl_get (nm_utils_ip6_property_path (ifname, ip6_properties_to_save[i]));
if (value) {
g_hash_table_insert (priv->ip6_saved_properties,
(char *) ip6_properties_to_save[i],
value);
}
}
}
static void
restore_ip6_properties (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init (&iter, priv->ip6_saved_properties);
while (g_hash_table_iter_next (&iter, &key, &value)) {
/* Don't touch "disable_ipv6" if we're doing userland IPv6LL */
if (priv->nm_ipv6ll && strcmp (key, "disable_ipv6") == 0)
continue;
nm_device_ipv6_sysctl_set (self, key, value);
}
}
static inline void
set_disable_ipv6 (NMDevice *self, const char *value)
{
/* We only touch disable_ipv6 when NM is not managing the IPv6LL address */
if (NM_DEVICE_GET_PRIVATE (self)->nm_ipv6ll == FALSE)
nm_device_ipv6_sysctl_set (self, "disable_ipv6", value);
}
static inline void
set_nm_ipv6ll (NMDevice *self, gboolean enable)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int ifindex = nm_device_get_ip_ifindex (self);
const char *iface = nm_device_get_ip_iface (self);
char *value;
if (!nm_platform_check_support_user_ipv6ll ())
return;
priv->nm_ipv6ll = enable;
if (ifindex > 0) {
const char *detail = enable ? "enable" : "disable";
_LOGD (LOGD_IP6, "will %s userland IPv6LL", detail);
if ( !nm_platform_link_set_user_ipv6ll_enabled (ifindex, enable)
&& nm_platform_get_error () != NM_PLATFORM_ERROR_NOT_FOUND)
_LOGW (LOGD_IP6, "failed to %s userspace IPv6LL address handling", detail);
if (enable) {
/* Bounce IPv6 to ensure the kernel stops IPv6LL address generation */
value = nm_platform_sysctl_get (nm_utils_ip6_property_path (iface, "disable_ipv6"));
if (g_strcmp0 (value, "0") == 0)
nm_device_ipv6_sysctl_set (self, "disable_ipv6", "1");
g_free (value);
/* Ensure IPv6 is enabled */
nm_device_ipv6_sysctl_set (self, "disable_ipv6", "0");
}
}
}
static NMSettingIP6ConfigPrivacy
use_tempaddr_clamp (NMSettingIP6ConfigPrivacy use_tempaddr)
{
switch (use_tempaddr) {
case NM_SETTING_IP6_CONFIG_PRIVACY_DISABLED:
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR:
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR:
return use_tempaddr;
default:
return NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
}
}
/* Get net.ipv6.conf.default.use_tempaddr value from /etc/sysctl.conf or
* /lib/sysctl.d/sysctl.conf
*/
static NMSettingIP6ConfigPrivacy
ip6_use_tempaddr (void)
{
char *contents = NULL;
const char *group_name = "[forged_group]\n";
char *sysctl_data = NULL;
GKeyFile *keyfile;
GError *error = NULL;
gint tmp;
NMSettingIP6ConfigPrivacy ret = NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
/* Read file contents to a string. */
if (!g_file_get_contents ("/etc/sysctl.conf", &contents, NULL, NULL))
if (!g_file_get_contents ("/lib/sysctl.d/sysctl.conf", &contents, NULL, NULL))
return NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
/* Prepend a group so that we can use GKeyFile parser. */
sysctl_data = g_strdup_printf ("%s%s", group_name, contents);
keyfile = g_key_file_new ();
if (!g_key_file_load_from_data (keyfile, sysctl_data, -1, G_KEY_FILE_NONE, NULL))
goto done;
tmp = g_key_file_get_integer (keyfile, "forged_group", "net.ipv6.conf.default.use_tempaddr", &error);
if (error == NULL)
ret = use_tempaddr_clamp (tmp);
done:
g_free (contents);
g_free (sysctl_data);
g_clear_error (&error);
g_key_file_free (keyfile);
return ret;
}
static gboolean
ip6_requires_slaves (NMConnection *connection)
{
const char *method;
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
/* SLAAC, DHCP, and Link-Local depend on connectivity (and thus slaves)
* to complete addressing. SLAAC and DHCP obviously need a peer to
* provide a prefix, while Link-Local must perform DAD on the local link.
*/
return strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0
|| strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_DHCP) == 0
|| strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL) == 0;
}
static NMActStageReturn
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;
const char *method;
NMSettingIP6ConfigPrivacy ip6_privacy = NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN;
const char *ip6_privacy_str = "0\n";
GSList *slaves;
gboolean ready_slaves;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ip_iface = nm_device_get_ip_iface (self);
connection = nm_device_get_connection (self);
g_assert (connection);
if ( connection_ip4_method_requires_carrier (connection, NULL)
&& priv->is_master
&& !priv->carrier) {
_LOGI (LOGD_IP6 | LOGD_DEVICE,
"IPv6 config waiting until carrier is on");
return NM_ACT_STAGE_RETURN_WAIT;
}
if (priv->is_master && ip6_requires_slaves (connection)) {
/* If the master has no ready slaves, and depends on slaves for
* a successful IPv6 attempt, then postpone IPv6 addressing.
*/
slaves = nm_device_master_get_slaves (self);
ready_slaves = NM_DEVICE_GET_CLASS (self)->have_any_ready_slaves (self, slaves);
g_slist_free (slaves);
if (ready_slaves == FALSE) {
_LOGI (LOGD_DEVICE | LOGD_IP6,
"IPv6 config waiting until slaves are ready");
return NM_ACT_STAGE_RETURN_WAIT;
}
}
priv->dhcp6_mode = NM_RDISC_DHCP_LEVEL_NONE;
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_IGNORE) == 0) {
if (!priv->master) {
gboolean old_nm_ipv6ll = priv->nm_ipv6ll;
/* When activating an IPv6 'ignore' connection we need to revert back
* to kernel IPv6LL, but the kernel won't actually assign an address
* to the interface until disable_ipv6 is bounced.
*/
set_nm_ipv6ll (self, FALSE);
if (old_nm_ipv6ll == TRUE)
nm_device_ipv6_sysctl_set (self, "disable_ipv6", "1");
restore_ip6_properties (self);
}
return NM_ACT_STAGE_RETURN_STOP;
}
/* Any method past this point requires an IPv6LL address. Use NM-controlled
* IPv6LL if this is not an assumed connection, since assumed connections
* will already have IPv6 set up.
*/
if (!nm_device_uses_assumed_connection (self))
set_nm_ipv6ll (self, TRUE);
/* Re-enable IPv6 on the interface */
set_disable_ipv6 (self, "0");
/* 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.
*/
ip6_privacy = ip6_use_tempaddr ();
if (ip6_privacy == NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN) {
NMSettingIPConfig *s_ip6 = nm_connection_get_setting_ip6_config (connection);
if (s_ip6)
ip6_privacy = nm_setting_ip6_config_get_ip6_privacy (NM_SETTING_IP6_CONFIG (s_ip6));
}
ip6_privacy = use_tempaddr_clamp (ip6_privacy);
if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0) {
if (!addrconf6_start (self, ip6_privacy)) {
/* IPv6 might be disabled; allow IPv4 to proceed */
ret = NM_ACT_STAGE_RETURN_STOP;
} else
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL) == 0) {
ret = linklocal6_start (self);
if (ret == NM_ACT_STAGE_RETURN_SUCCESS) {
/* New blank config; LL address is already in priv->ext_ip6_config */
*out_config = nm_ip6_config_new ();
g_assert (*out_config);
}
} else if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_DHCP) == 0) {
priv->dhcp6_mode = NM_RDISC_DHCP_LEVEL_MANAGED;
if (!dhcp6_start (self, TRUE, reason)) {
/* IPv6 might be disabled; allow IPv4 to proceed */
ret = NM_ACT_STAGE_RETURN_STOP;
} else
ret = NM_ACT_STAGE_RETURN_POSTPONE;
} else if (strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_MANUAL) == 0) {
/* New blank config */
*out_config = nm_ip6_config_new ();
g_assert (*out_config);
ret = NM_ACT_STAGE_RETURN_SUCCESS;
} else
_LOGW (LOGD_IP6, "unhandled IPv6 config method '%s'; will fail", method);
/* Other methods (shared) aren't implemented yet */
switch (ip6_privacy) {
case NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN:
case NM_SETTING_IP6_CONFIG_PRIVACY_DISABLED:
ip6_privacy_str = "0";
break;
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR:
ip6_privacy_str = "1";
break;
case NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR:
ip6_privacy_str = "2";
break;
}
nm_device_ipv6_sysctl_set (self, "use_tempaddr", ip6_privacy_str);
return ret;
}
/**
* nm_device_activate_stage3_ip4_start:
* @self: the device
*
* Try starting IPv4 configuration.
*/
gboolean
nm_device_activate_stage3_ip4_start (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
NMIP4Config *ip4_config = NULL;
g_assert (priv->ip4_state == IP_WAIT);
priv->ip4_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);
return FALSE;
} else if (ret == NM_ACT_STAGE_RETURN_STOP) {
/* Early finish */
priv->ip4_state = IP_FAIL;
} else if (ret == NM_ACT_STAGE_RETURN_WAIT) {
/* Wait for something to try IP config again */
priv->ip4_state = IP_WAIT;
} else
g_assert (ret == NM_ACT_STAGE_RETURN_POSTPONE);
return TRUE;
}
/**
* nm_device_activate_stage3_ip6_start:
* @self: the device
*
* Try starting IPv6 configuration.
*/
gboolean
nm_device_activate_stage3_ip6_start (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMActStageReturn ret;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
NMIP6Config *ip6_config = NULL;
g_assert (priv->ip6_state == IP_WAIT);
priv->ip6_state = IP_CONF;
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);
/* Here we get a static IPv6 config, like for Shared where it's
* autogenerated or from modems where it comes from ModemManager.
*/
g_warn_if_fail (priv->ac_ip6_config == NULL);
priv->ac_ip6_config = ip6_config;
nm_device_activate_schedule_ip6_config_result (self);
} else if (ret == NM_ACT_STAGE_RETURN_FAILURE) {
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
return FALSE;
} else if (ret == NM_ACT_STAGE_RETURN_STOP) {
/* Early finish */
priv->ip6_state = IP_FAIL;
} else if (ret == NM_ACT_STAGE_RETURN_WAIT) {
/* Wait for something to try IP config again */
priv->ip6_state = IP_WAIT;
} else
g_assert (ret == NM_ACT_STAGE_RETURN_POSTPONE);
return TRUE;
}
/*
* nm_device_check_ip_failed
*
* Progress the device to appropriate state if both IPv4 and IPv6 failed
*/
static void
nm_device_check_ip_failed (NMDevice *self, gboolean may_fail)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState state;
if ( priv->ip4_state != IP_FAIL
|| priv->ip6_state != IP_FAIL)
return;
if (nm_device_uses_assumed_connection (self)) {
/* We have assumed configuration, but couldn't
* redo it. No problem, move to check state. */
priv->ip4_state = priv->ip6_state = IP_DONE;
state = NM_DEVICE_STATE_IP_CHECK;
} else if ( may_fail
&& get_ip_config_may_fail (self, AF_INET)
&& get_ip_config_may_fail (self, AF_INET6)) {
/* Couldn't start either IPv6 and IPv4 autoconfiguration,
* but both are allowed to fail. */
state = NM_DEVICE_STATE_SECONDARIES;
} else {
/* Autoconfiguration attempted without success. */
state = NM_DEVICE_STATE_FAILED;
}
nm_device_state_changed (self,
state,
NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE);
}
/*
* 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);
NMActiveConnection *master;
NMDevice *master_device;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, 0);
priv->ip4_state = priv->ip6_state = IP_WAIT;
_LOGI (LOGD_DEVICE, "Activation: Stage 3 of 5 (IP Configure Start) started...");
nm_device_state_changed (self, NM_DEVICE_STATE_IP_CONFIG, NM_DEVICE_STATE_REASON_NONE);
/* Device should be up before we can do anything with it */
if (!nm_platform_link_is_up (nm_device_get_ip_ifindex (self)))
_LOGW (LOGD_DEVICE, "interface %s not up for IP configuration", nm_device_get_ip_iface (self));
/* If the device is a slave, then we don't do any IP configuration but we
* use the IP config stage to indicate to the master we're ready for
* enslavement. If the master is already activating, it will have tried to
* enslave us when we changed state to IP_CONFIG, causing us to queue a
* transition to SECONDARIES (or FAILED if the enslavement failed), with
* our IP states set to IP_DONE either way. If the master isn't yet
* activating, then they'll still be in IP_WAIT. Either way, we bail out
* of IP config here.
*/
master = nm_active_connection_get_master (NM_ACTIVE_CONNECTION (priv->act_request));
if (master) {
master_device = nm_active_connection_get_device (master);
if (priv->ip4_state == IP_WAIT && priv->ip6_state == IP_WAIT) {
_LOGI (LOGD_DEVICE, "Activation: connection '%s' waiting on master '%s'",
nm_connection_get_id (nm_device_get_connection (self)),
master_device ? nm_device_get_iface (master_device) : "(unknown)");
}
goto out;
}
/* IPv4 */
if (!nm_device_activate_stage3_ip4_start (self))
goto out;
/* IPv6 */
if (!nm_device_activate_stage3_ip6_start (self))
goto out;
nm_device_check_ip_failed (self, TRUE);
out:
_LOGI (LOGD_DEVICE, "Activation: Stage 3 of 5 (IP Configure Start) complete.");
return FALSE;
}
static void
fw_change_zone_cb (GError *error, gpointer user_data)
{
NMDevice *self;
NMDevicePrivate *priv;
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
self = NM_DEVICE (user_data);
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);
_LOGI (LOGD_DEVICE, "Activation: Stage 3 of 5 (IP Configure Start) scheduled.");
}
/*
* 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;
const char *zone;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->act_request);
g_return_if_fail (!priv->fw_call);
/* 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);
if (nm_device_uses_assumed_connection (self)) {
_LOGD (LOGD_DEVICE, "Activation: skip setting firewall zone '%s' for assumed device", zone ? zone : "default");
activation_source_schedule (self, nm_device_activate_stage3_ip_config_start, 0);
_LOGI (LOGD_DEVICE, "Activation: Stage 3 of 5 (IP Configure Start) scheduled.");
return;
}
_LOGD (LOGD_DEVICE, "Activation: setting firewall zone '%s'", zone ? zone : "default");
priv->fw_call = nm_firewall_manager_add_or_change_zone (nm_firewall_manager_get (),
nm_device_get_ip_iface (self),
zone,
FALSE,
fw_change_zone_cb,
self);
}
static NMActStageReturn
act_stage4_ip4_config_timeout (NMDevice *self, NMDeviceStateReason *reason)
{
if (!get_ip_config_may_fail (self, AF_INET)) {
*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);
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);
_LOGI (LOGD_DEVICE | LOGD_IP4,
"Activation: Stage 4 of 5 (IPv4 Configure Timeout) started...");
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_FAIL;
nm_device_check_ip_failed (self, FALSE);
out:
_LOGI (LOGD_DEVICE | LOGD_IP4,
"Activation: Stage 4 of 5 (IPv4 Configure Timeout) complete.");
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);
_LOGI (LOGD_DEVICE | LOGD_IP4,
"Activation: Stage 4 of 5 (IPv4 Configure Timeout) scheduled...");
}
static NMActStageReturn
act_stage4_ip6_config_timeout (NMDevice *self, NMDeviceStateReason *reason)
{
if (!get_ip_config_may_fail (self, AF_INET6)) {
*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);
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);
_LOGI (LOGD_DEVICE | LOGD_IP6,
"Activation: Stage 4 of 5 (IPv6 Configure Timeout) started...");
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_FAIL;
nm_device_check_ip_failed (self, FALSE);
out:
_LOGI (LOGD_DEVICE | LOGD_IP6,
"Activation: Stage 4 of 5 (IPv6 Configure Timeout) complete.");
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);
_LOGI (LOGD_DEVICE | LOGD_IP6,
"Activation: Stage 4 of 5 (IPv6 Configure Timeout) scheduled...");
}
static gboolean
share_init (void)
{
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;
int errsv;
if (!nm_platform_sysctl_set ("/proc/sys/net/ipv4/ip_forward", "1")) {
errsv = errno;
nm_log_err (LOGD_SHARING, "share: error starting IP forwarding: (%d) %s",
errsv, strerror (errsv));
return FALSE;
}
if (!nm_platform_sysctl_set ("/proc/sys/net/ipv4/ip_dynaddr", "1")) {
errsv = errno;
nm_log_err (LOGD_SHARING, "share: error starting IP forwarding: (%d) %s",
errsv, strerror (errsv));
}
for (iter = modules; *iter; iter++)
nm_utils_modprobe (NULL, *iter, NULL);
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;
const NMPlatformIP4Address *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 || !ip4_addr->address)
return FALSE;
netmask = nm_utils_ip4_prefix_to_netmask (ip4_addr->plen);
if (!inet_ntop (AF_INET, &netmask, str_mask, sizeof (str_mask)))
return FALSE;
network = ip4_addr->address & 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)) {
_LOGE (LOGD_SHARING, "share: (%s) failed to start dnsmasq: %s",
ip_iface, (error && error->message) ? error->message : "(unknown)");
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 void
send_arps (NMDevice *self, const char *mode_arg)
{
const char *argv[] = { NULL, mode_arg, "-q", "-I", nm_device_get_ip_iface (self), "-c", "1", NULL, NULL };
int ip_arg = G_N_ELEMENTS (argv) - 2;
NMConnection *connection;
NMSettingIPConfig *s_ip4;
int i, num;
NMIPAddress *addr;
GError *error = NULL;
connection = nm_device_get_connection (self);
if (!connection)
return;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (!s_ip4)
return;
num = nm_setting_ip_config_get_num_addresses (s_ip4);
if (num == 0)
return;
argv[0] = nm_utils_find_helper ("arping", NULL, NULL);
if (!argv[0]) {
_LOGW (LOGD_DEVICE | LOGD_IP4, "arping could not be found; no ARPs will be sent");
return;
}
for (i = 0; i < num; i++) {
gs_free char *tmp_str = NULL;
gboolean success;
addr = nm_setting_ip_config_get_address (s_ip4, i);
argv[ip_arg] = nm_ip_address_get_address (addr);
_LOGD (LOGD_DEVICE | LOGD_IP4,
"arping: run %s", (tmp_str = g_strjoinv (" ", (char **) argv)));
success = g_spawn_async (NULL, (char **) argv, NULL,
G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL,
NULL, NULL, NULL, &error);
if (!success) {
_LOGW (LOGD_DEVICE | LOGD_IP4,
"arping: could not send ARP for local address %s: %s",
argv[ip_arg], error->message);
g_clear_error (&error);
}
}
}
static gboolean
arp_announce_round2 (gpointer self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->arp_round2_id = 0;
if ( priv->state >= NM_DEVICE_STATE_IP_CONFIG
&& priv->state <= NM_DEVICE_STATE_ACTIVATED)
send_arps (self, "-U");
return G_SOURCE_REMOVE;
}
static void
arp_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->arp_round2_id) {
g_source_remove (priv->arp_round2_id);
priv->arp_round2_id = 0;
}
}
static void
arp_announce (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMSettingIPConfig *s_ip4;
int num;
arp_cleanup (self);
/* We only care about manually-configured addresses; DHCP- and autoip-configured
* ones should already have been seen on the network at this point.
*/
connection = nm_device_get_connection (self);
if (!connection)
return;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
if (!s_ip4)
return;
num = nm_setting_ip_config_get_num_addresses (s_ip4);
if (num == 0)
return;
send_arps (self, "-A");
priv->arp_round2_id = g_timeout_add_seconds (2, arp_announce_round2, self);
}
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;
const char *method;
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
int ip_ifindex;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET);
_LOGI (LOGD_DEVICE, "Activation: Stage 5 of 5 (IPv4 Commit) started...");
req = nm_device_get_act_request (self);
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (connection);
/* Interface must be IFF_UP before IP config can be applied */
ip_ifindex = nm_device_get_ip_ifindex (self);
if (!nm_platform_link_is_up (ip_ifindex) && !nm_device_uses_assumed_connection (self)) {
nm_platform_link_set_up (ip_ifindex);
if (!nm_platform_link_is_up (ip_ifindex))
_LOGW (LOGD_DEVICE, "interface %s not up for IP configuration", nm_device_get_ip_iface (self));
}
/* NULL to use the existing priv->dev_ip4_config */
if (!ip4_config_merge_and_apply (self, NULL, TRUE, &reason)) {
_LOGI (LOGD_DEVICE | LOGD_IP4,
"Activation: Stage 5 of 5 (IPv4 Commit) failed");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
goto out;
}
/* Start IPv4 sharing if we need it */
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
if (strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_SHARED) == 0) {
if (!start_sharing (self, priv->ip4_config)) {
_LOGW (LOGD_SHARING, "Activation: Stage 5 of 5 (IPv4 Commit) start sharing failed.");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_SHARED_START_FAILED);
goto out;
}
}
/* If IPv4 wasn't the first to complete, and DHCP was used, then ensure
* dispatcher scripts get the DHCP lease information.
*/
if ( priv->dhcp4_client
&& nm_device_activate_ip4_state_in_conf (self)
&& (nm_device_get_state (self) > NM_DEVICE_STATE_IP_CONFIG)) {
/* Notify dispatcher scripts of new DHCP4 config */
nm_dispatcher_call (DISPATCHER_ACTION_DHCP4_CHANGE,
nm_device_get_connection (self),
self,
NULL,
NULL,
NULL);
}
arp_announce (self);
/* Enter the IP_CHECK state if this is the first method to complete */
priv->ip4_state = IP_DONE;
nm_device_remove_pending_action (self, PENDING_ACTION_DHCP4, FALSE);
if (nm_device_get_state (self) == NM_DEVICE_STATE_IP_CONFIG)
nm_device_state_changed (self, NM_DEVICE_STATE_IP_CHECK, NM_DEVICE_STATE_REASON_NONE);
out:
_LOGI (LOGD_DEVICE, "Activation: Stage 5 of 5 (IPv4 Commit) complete.");
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_clear_object (&priv->dev_ip4_config);
if (config)
priv->dev_ip4_config = g_object_ref (config);
activation_source_schedule (self, nm_device_activate_ip4_config_commit, AF_INET);
_LOGI (LOGD_DEVICE | LOGD_IP4,
"Activation: Stage 5 of 5 (IPv4 Configure Commit) scheduled...");
}
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;
}
gboolean
nm_device_activate_ip4_state_in_wait (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
return NM_DEVICE_GET_PRIVATE (self)->ip4_state == IP_WAIT;
}
static gboolean
nm_device_activate_ip6_config_commit (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint level = (priv->ip6_state == IP_DONE) ? LOGL_DEBUG : LOGL_INFO;
NMActRequest *req;
NMConnection *connection;
NMDeviceStateReason reason = NM_DEVICE_STATE_REASON_NONE;
int ip_ifindex;
/* Clear the activation source ID now that this stage has run */
activation_source_clear (self, FALSE, AF_INET6);
_LOG (level, LOGD_DEVICE, "Activation: Stage 5 of 5 (IPv6 Commit) started...");
req = nm_device_get_act_request (self);
g_assert (req);
connection = nm_act_request_get_connection (req);
g_assert (connection);
/* Interface must be IFF_UP before IP config can be applied */
ip_ifindex = nm_device_get_ip_ifindex (self);
if (!nm_platform_link_is_up (ip_ifindex) && !nm_device_uses_assumed_connection (self)) {
nm_platform_link_set_up (ip_ifindex);
if (!nm_platform_link_is_up (ip_ifindex))
_LOGW (LOGD_DEVICE, "interface %s not up for IP configuration", nm_device_get_ip_iface (self));
}
if (ip6_config_merge_and_apply (self, TRUE, &reason)) {
/* If IPv6 wasn't the first IP to complete, and DHCP was used,
* then ensure dispatcher scripts get the DHCP lease information.
*/
if ( priv->dhcp6_client
&& nm_device_activate_ip6_state_in_conf (self)
&& (nm_device_get_state (self) > NM_DEVICE_STATE_IP_CONFIG)) {
/* Notify dispatcher scripts of new DHCP6 config */
nm_dispatcher_call (DISPATCHER_ACTION_DHCP6_CHANGE,
nm_device_get_connection (self),
self,
NULL,
NULL,
NULL);
}
/* Enter the IP_CHECK state if this is the first method to complete */
priv->ip6_state = IP_DONE;
nm_device_remove_pending_action (self, PENDING_ACTION_DHCP6, FALSE);
nm_device_remove_pending_action (self, PENDING_ACTION_AUTOCONF6, FALSE);
if (nm_device_get_state (self) == NM_DEVICE_STATE_IP_CONFIG)
nm_device_state_changed (self, NM_DEVICE_STATE_IP_CHECK, NM_DEVICE_STATE_REASON_NONE);
} else {
_LOGW (LOGD_DEVICE | LOGD_IP6,
"Activation: Stage 5 of 5 (IPv6 Commit) failed");
nm_device_state_changed (self, NM_DEVICE_STATE_FAILED, reason);
}
_LOG (level, LOGD_DEVICE, "Activation: Stage 5 of 5 (IPv6 Commit) complete.");
return FALSE;
}
void
nm_device_activate_schedule_ip6_config_result (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint level = (priv->ip6_state == IP_DONE) ? LOGL_DEBUG : LOGL_INFO;
g_return_if_fail (NM_IS_DEVICE (self));
/* If IP had previously failed, move it back to IP_CONF since we
* clearly now have configuration.
*/
if (priv->ip6_state == IP_FAIL)
priv->ip6_state = IP_CONF;
activation_source_schedule (self, nm_device_activate_ip6_config_commit, AF_INET6);
_LOG (level, LOGD_DEVICE | LOGD_IP6,
"Activation: Stage 5 of 5 (IPv6 Commit) scheduled...");
}
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;
}
gboolean
nm_device_activate_ip6_state_in_wait (NMDevice *self)
{
g_return_val_if_fail (self != NULL, FALSE);
return NM_DEVICE_GET_PRIVATE (self)->ip6_state == IP_WAIT;
}
static void
clear_act_request (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (!priv->act_request)
return;
nm_active_connection_set_default (NM_ACTIVE_CONNECTION (priv->act_request), FALSE);
if (priv->master_ready_id) {
g_signal_handler_disconnect (priv->act_request, priv->master_ready_id);
priv->master_ready_id = 0;
}
g_clear_object (&priv->act_request);
g_object_notify (G_OBJECT (self), NM_DEVICE_ACTIVE_CONNECTION);
}
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) {
_LOGE (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);
}
gboolean
nm_device_get_is_nm_owned (NMDevice *self)
{
return NM_DEVICE_GET_PRIVATE (self)->is_nm_owned;
}
void
nm_device_set_nm_owned (NMDevice *self)
{
g_return_if_fail (NM_IS_DEVICE (self));
NM_DEVICE_GET_PRIVATE (self)->is_nm_owned = TRUE;
}
/*
* delete_on_deactivate_link_delete
*
* Function will be queued with g_idle_add to call
* nm_platform_link_delete for the underlying resources
* of the device.
*/
static gboolean
delete_on_deactivate_link_delete (gpointer user_data)
{
DeleteOnDeactivateData *data = user_data;
NMDevice *self = data->device;
if (data->device) {
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (data->device);
g_object_remove_weak_pointer (G_OBJECT (data->device), (void **) &data->device);
priv->delete_on_deactivate_data = NULL;
}
_LOGD (LOGD_DEVICE, "delete_on_deactivate: cleanup and delete virtual link #%d (id=%u)",
data->ifindex, data->idle_add_id);
nm_platform_link_delete (data->ifindex);
g_free (data);
return FALSE;
}
static void
delete_on_deactivate_unschedule (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->delete_on_deactivate_data) {
DeleteOnDeactivateData *data = priv->delete_on_deactivate_data;
priv->delete_on_deactivate_data = NULL;
g_source_remove (data->idle_add_id);
g_object_remove_weak_pointer (G_OBJECT (self), (void **) &data->device);
_LOGD (LOGD_DEVICE, "delete_on_deactivate: cancel cleanup and delete virtual link #%d (id=%u)",
data->ifindex, data->idle_add_id);
g_free (data);
}
}
static void
delete_on_deactivate_check_and_schedule (NMDevice *self, int ifindex)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
DeleteOnDeactivateData *data;
if (ifindex <= 0)
return;
if (!priv->is_nm_owned)
return;
if (priv->queued_act_request)
return;
if (!nm_device_is_software (self))
return;
if (nm_device_get_state (self) == NM_DEVICE_STATE_UNMANAGED)
return;
if (nm_device_get_state (self) == NM_DEVICE_STATE_UNAVAILABLE)
return;
delete_on_deactivate_unschedule (self); /* always cancel and reschedule */
data = g_new (DeleteOnDeactivateData, 1);
g_object_add_weak_pointer (G_OBJECT (self), (void **) &data->device);
data->device = self;
data->ifindex = ifindex;
data->idle_add_id = g_idle_add (delete_on_deactivate_link_delete, data);
priv->delete_on_deactivate_data = data;
_LOGD (LOGD_DEVICE, "delete_on_deactivate: schedule cleanup and delete virtual link #%d (id=%u)",
ifindex, data->idle_add_id);
}
static void
disconnect_cb (NMDevice *self,
DBusGMethodInvocation *context,
GError *error,
gpointer user_data)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GError *local = NULL;
if (error) {
dbus_g_method_return_error (context, error);
return;
}
/* 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 {
nm_device_set_autoconnect (self, FALSE);
nm_device_state_changed (self,
NM_DEVICE_STATE_DEACTIVATING,
NM_DEVICE_STATE_REASON_USER_REQUESTED);
dbus_g_method_return (context);
}
}
static void
_clear_queued_act_request (NMDevicePrivate *priv)
{
if (priv->queued_act_request) {
nm_active_connection_set_state ((NMActiveConnection *) priv->queued_act_request, NM_ACTIVE_CONNECTION_STATE_DEACTIVATED);
g_clear_object (&priv->queued_act_request);
}
}
static void
impl_device_disconnect (NMDevice *self, DBusGMethodInvocation *context)
{
NMConnection *connection;
GError *error = NULL;
if (NM_DEVICE_GET_PRIVATE (self)->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;
}
connection = nm_device_get_connection (self);
g_assert (connection);
/* Ask the manager to authenticate this request for us */
g_signal_emit (self, signals[AUTH_REQUEST], 0,
context,
connection,
NM_AUTH_PERMISSION_NETWORK_CONTROL,
TRUE,
disconnect_cb,
NULL);
}
static void
delete_cb (NMDevice *self,
DBusGMethodInvocation *context,
GError *error,
gpointer user_data)
{
if (error) {
dbus_g_method_return_error (context, error);
return;
}
/* Authorized */
nm_platform_link_delete (nm_device_get_ifindex (self));
dbus_g_method_return (context);
}
static void
impl_device_delete (NMDevice *self, DBusGMethodInvocation *context)
{
GError *error = NULL;
if (!nm_device_is_software (self)) {
error = g_error_new_literal (NM_DEVICE_ERROR,
NM_DEVICE_ERROR_NOT_SOFTWARE,
"This device is not a software device");
dbus_g_method_return_error (context, error);
g_error_free (error);
return;
}
/* Ask the manager to authenticate this request for us */
g_signal_emit (self, signals[AUTH_REQUEST], 0,
context,
NULL,
NM_AUTH_PERMISSION_NETWORK_CONTROL,
TRUE,
delete_cb,
NULL);
}
static void
_device_activate (NMDevice *self, NMActRequest *req)
{
NMDevicePrivate *priv;
NMConnection *connection;
g_return_if_fail (NM_IS_DEVICE (self));
g_return_if_fail (NM_IS_ACT_REQUEST (req));
priv = NM_DEVICE_GET_PRIVATE (self);
connection = nm_act_request_get_connection (req);
g_assert (connection);
_LOGI (LOGD_DEVICE, "Activation: starting connection '%s'",
nm_connection_get_id (connection));
delete_on_deactivate_unschedule (self);
/* Move default unmanaged devices to DISCONNECTED state here */
if (nm_device_get_default_unmanaged (self) && priv->state == NM_DEVICE_STATE_UNMANAGED) {
nm_device_state_changed (self,
NM_DEVICE_STATE_DISCONNECTED,
NM_DEVICE_STATE_REASON_NOW_MANAGED);
}
/* note: don't notify D-Bus of the new AC here, but do it later when
* changing state to PREPARE so that the two properties change together.
*/
priv->act_request = g_object_ref (req);
nm_device_activate_schedule_stage1_device_prepare (self);
}
void
nm_device_queue_activation (NMDevice *self, NMActRequest *req)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (!priv->act_request) {
/* Just activate immediately */
_device_activate (self, req);
return;
}
/* supercede any already-queued request */
_clear_queued_act_request (priv);
priv->queued_act_request = g_object_ref (req);
/* Deactivate existing activation request first */
_LOGI (LOGD_DEVICE, "disconnecting for new activation request.");
nm_device_state_changed (self,
NM_DEVICE_STATE_DEACTIVATING,
NM_DEVICE_STATE_REASON_NONE);
}
/*
* nm_device_is_activating
*
* Return whether or not the device is currently activating itself.
*
*/
gboolean
nm_device_is_activating (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState state;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
state = nm_device_get_state (self);
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;
}
/* IP Configuration stuff */
NMDhcp4Config *
nm_device_get_dhcp4_config (NMDevice *self)
{
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 (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,
guint32 default_route_metric,
gboolean commit,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv;
const char *ip_iface;
NMIP4Config *old_config = NULL;
gboolean has_changes = FALSE;
gboolean success = TRUE;
NMDeviceStateReason reason_local = NM_DEVICE_STATE_REASON_NONE;
int ip_ifindex;
g_return_val_if_fail (NM_IS_DEVICE (self), 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;
/* Always commit to nm-platform to update lifetimes */
if (commit && new_config) {
gboolean assumed = nm_device_uses_assumed_connection (self);
/* for assumed devices we set the device_route_metric to the default which will
* stop nm_platform_ip4_address_sync() to replace the device routes. */
success = nm_ip4_config_commit (new_config, ip_ifindex,
assumed ? NM_PLATFORM_ROUTE_METRIC_IP4_DEVICE_ROUTE : default_route_metric);
if (!success)
reason_local = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
}
if (new_config) {
if (old_config) {
/* has_changes is set only on relevant changes, because when the configuration changes,
* this causes a re-read and reset. This should only happen for relevant changes */
nm_ip4_config_replace (old_config, new_config, &has_changes);
if (has_changes) {
_LOGD (LOGD_IP4, "update IP4Config instance (%s)",
nm_ip4_config_get_dbus_path (old_config));
}
} else {
has_changes = TRUE;
priv->ip4_config = g_object_ref (new_config);
if (success && !nm_ip4_config_get_dbus_path (new_config)) {
/* Export over D-Bus */
nm_ip4_config_export (new_config);
}
_LOGD (LOGD_IP4, "set IP4Config instance (%s)",
nm_ip4_config_get_dbus_path (new_config));
}
} else if (old_config) {
has_changes = TRUE;
priv->ip4_config = NULL;
_LOGD (LOGD_IP4, "clear IP4Config instance (%s)",
nm_ip4_config_get_dbus_path (old_config));
/* Device config is invalid if combined config is invalid */
g_clear_object (&priv->dev_ip4_config);
}
nm_default_route_manager_ip4_update_default_route (nm_default_route_manager_get (), self);
if (has_changes) {
_update_ip4_address (self);
if (old_config != priv->ip4_config)
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 != priv->ip4_config && old_config)
g_object_unref (old_config);
if (nm_device_uses_generated_assumed_connection (self)) {
NMConnection *connection = nm_device_get_connection (self);
NMSetting *s_ip4;
g_object_freeze_notify (G_OBJECT (connection));
nm_connection_remove_setting (connection, NM_TYPE_SETTING_IP4_CONFIG);
s_ip4 = nm_ip4_config_create_setting (priv->ip4_config);
nm_connection_add_setting (connection, s_ip4);
g_object_thaw_notify (G_OBJECT (connection));
}
nm_device_queue_recheck_assume (self);
}
if (reason)
*reason = reason_local;
return success;
}
void
nm_device_set_vpn4_config (NMDevice *self, NMIP4Config *config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->vpn4_config == config)
return;
g_clear_object (&priv->vpn4_config);
if (config)
priv->vpn4_config = g_object_ref (config);
/* NULL to use existing configs */
if (!ip4_config_merge_and_apply (self, NULL, TRUE, NULL))
_LOGW (LOGD_IP4, "failed to set VPN routes for device");
}
void
nm_device_set_wwan_ip4_config (NMDevice *self, NMIP4Config *config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->wwan_ip4_config == config)
return;
g_clear_object (&priv->wwan_ip4_config);
if (config)
priv->wwan_ip4_config = g_object_ref (config);
/* NULL to use existing configs */
if (!ip4_config_merge_and_apply (self, NULL, TRUE, NULL))
_LOGW (LOGD_IP4, "failed to set WWAN IPv4 configuration");
}
static gboolean
nm_device_set_ip6_config (NMDevice *self,
NMIP6Config *new_config,
gboolean commit,
NMDeviceStateReason *reason)
{
NMDevicePrivate *priv;
const char *ip_iface;
NMIP6Config *old_config = NULL;
gboolean has_changes = FALSE;
gboolean success = TRUE;
NMDeviceStateReason reason_local = NM_DEVICE_STATE_REASON_NONE;
int ip_ifindex;
g_return_val_if_fail (NM_IS_DEVICE (self), 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;
/* Always commit to nm-platform to update lifetimes */
if (commit && new_config) {
success = nm_ip6_config_commit (new_config, ip_ifindex);
if (!success)
reason_local = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
}
if (new_config) {
if (old_config) {
/* has_changes is set only on relevant changes, because when the configuration changes,
* this causes a re-read and reset. This should only happen for relevant changes */
nm_ip6_config_replace (old_config, new_config, &has_changes);
if (has_changes) {
_LOGD (LOGD_IP6, "update IP6Config instance (%s)",
nm_ip6_config_get_dbus_path (old_config));
}
} else {
has_changes = TRUE;
priv->ip6_config = g_object_ref (new_config);
if (success && !nm_ip6_config_get_dbus_path (new_config)) {
/* Export over D-Bus */
nm_ip6_config_export (new_config);
}
_LOGD (LOGD_IP4, "set IP6Config instance (%s)",
nm_ip6_config_get_dbus_path (new_config));
}
} else if (old_config) {
has_changes = TRUE;
priv->ip6_config = NULL;
_LOGD (LOGD_IP6, "clear IP6Config instance (%s)",
nm_ip6_config_get_dbus_path (old_config));
}
nm_default_route_manager_ip6_update_default_route (nm_default_route_manager_get (), self);
if (has_changes) {
if (old_config != priv->ip6_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 != priv->ip6_config && old_config)
g_object_unref (old_config);
if (nm_device_uses_generated_assumed_connection (self)) {
NMConnection *connection = nm_device_get_connection (self);
NMSetting *s_ip6;
g_object_freeze_notify (G_OBJECT (connection));
nm_connection_remove_setting (connection, NM_TYPE_SETTING_IP6_CONFIG);
s_ip6 = nm_ip6_config_create_setting (priv->ip6_config);
nm_connection_add_setting (connection, s_ip6);
g_object_thaw_notify (G_OBJECT (connection));
}
nm_device_queue_recheck_assume (self);
}
if (reason)
*reason = reason_local;
return success;
}
void
nm_device_set_vpn6_config (NMDevice *self, NMIP6Config *config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->vpn6_config == config)
return;
g_clear_object (&priv->vpn6_config);
if (config)
priv->vpn6_config = g_object_ref (config);
/* NULL to use existing configs */
if (!ip6_config_merge_and_apply (self, TRUE, NULL))
_LOGW (LOGD_IP6, "failed to set VPN routes for device");
}
void
nm_device_set_wwan_ip6_config (NMDevice *self, NMIP6Config *config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->wwan_ip6_config == config)
return;
g_clear_object (&priv->wwan_ip6_config);
if (config)
priv->wwan_ip6_config = g_object_ref (config);
/* NULL to use existing configs */
if (!ip6_config_merge_and_apply (self, TRUE, NULL))
_LOGW (LOGD_IP6, "failed to set WWAN IPv6 configuration");
}
NMDhcp6Config *
nm_device_get_dhcp6_config (NMDevice *self)
{
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 (NM_IS_DEVICE (self), NULL);
return NM_DEVICE_GET_PRIVATE (self)->ip6_config;
}
/****************************************************************/
static void
dispatcher_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->dispatcher.call_id) {
nm_dispatcher_call_cancel (priv->dispatcher.call_id);
priv->dispatcher.call_id = 0;
priv->dispatcher.post_state = NM_DEVICE_STATE_UNKNOWN;
priv->dispatcher.post_state_reason = NM_DEVICE_STATE_REASON_NONE;
}
}
static void
dispatcher_complete_proceed_state (guint call_id, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (call_id == priv->dispatcher.call_id);
priv->dispatcher.call_id = 0;
nm_device_queue_state (self, priv->dispatcher.post_state,
priv->dispatcher.post_state_reason);
priv->dispatcher.post_state = NM_DEVICE_STATE_UNKNOWN;
priv->dispatcher.post_state_reason = NM_DEVICE_STATE_REASON_NONE;
}
/****************************************************************/
static void
ip_check_pre_up (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->dispatcher.call_id != 0) {
g_warn_if_reached ();
dispatcher_cleanup (self);
}
priv->dispatcher.post_state = NM_DEVICE_STATE_SECONDARIES;
priv->dispatcher.post_state_reason = NM_DEVICE_STATE_REASON_NONE;
if (!nm_dispatcher_call (DISPATCHER_ACTION_PRE_UP,
nm_device_get_connection (self),
self,
dispatcher_complete_proceed_state,
self,
&priv->dispatcher.call_id)) {
/* Just proceed on errors */
dispatcher_complete_proceed_state (0, self);
}
}
static void
ip_check_gw_ping_cleanup (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->gw_ping.watch) {
g_source_remove (priv->gw_ping.watch);
priv->gw_ping.watch = 0;
}
if (priv->gw_ping.timeout) {
g_source_remove (priv->gw_ping.timeout);
priv->gw_ping.timeout = 0;
}
if (priv->gw_ping.pid) {
nm_utils_kill_child_async (priv->gw_ping.pid, SIGTERM, priv->gw_ping.log_domain, "ping", 1000, NULL, NULL);
priv->gw_ping.pid = 0;
}
}
static void
ip_check_ping_watch_cb (GPid pid, gint status, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint log_domain = priv->gw_ping.log_domain;
if (!priv->gw_ping.watch)
return;
priv->gw_ping.watch = 0;
priv->gw_ping.pid = 0;
if (WIFEXITED (status)) {
if (WEXITSTATUS (status) == 0)
_LOGD (log_domain, "ping: gateway ping succeeded");
else {
_LOGW (log_domain, "ping: gateway ping failed with error code %d",
WEXITSTATUS (status));
}
} else
_LOGW (log_domain, "ping: stopped unexpectedly with status %d", status);
/* We've got connectivity, proceed to pre_up */
ip_check_gw_ping_cleanup (self);
ip_check_pre_up (self);
}
static gboolean
ip_check_ping_timeout_cb (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->gw_ping.timeout = 0;
_LOGW (priv->gw_ping.log_domain, "ping: gateway ping timed out");
ip_check_gw_ping_cleanup (self);
ip_check_pre_up (self);
return FALSE;
}
static gboolean
spawn_ping (NMDevice *self,
guint log_domain,
const char *binary,
const char *address,
guint timeout)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const char *args[] = { binary, "-I", nm_device_get_ip_iface (self), "-c", "1", "-w", NULL, address, NULL };
GError *error = NULL;
char *str_timeout;
gs_free char *tmp_str = NULL;
gboolean success;
g_return_val_if_fail (priv->gw_ping.watch == 0, FALSE);
g_return_val_if_fail (priv->gw_ping.timeout == 0, FALSE);
args[6] = str_timeout = g_strdup_printf ("%u", timeout);
_LOGD (log_domain, "ping: running '%s'",
(tmp_str = g_strjoinv (" ", (gchar **) args)));
success = g_spawn_async ("/",
(gchar **) args,
NULL,
G_SPAWN_DO_NOT_REAP_CHILD,
NULL,
NULL,
&priv->gw_ping.pid,
&error);
if (success) {
priv->gw_ping.log_domain = log_domain;
priv->gw_ping.watch = g_child_watch_add (priv->gw_ping.pid, ip_check_ping_watch_cb, self);
priv->gw_ping.timeout = g_timeout_add_seconds (timeout + 1, ip_check_ping_timeout_cb, self);
} else {
_LOGW (log_domain, "ping: could not spawn %s: %s", binary, error->message);
g_clear_error (&error);
}
g_free (str_timeout);
return success;
}
static void
nm_device_start_ip_check (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
NMSettingConnection *s_con;
guint timeout = 0;
const char *ping_binary = NULL;
char buf[INET6_ADDRSTRLEN] = { 0 };
guint log_domain = LOGD_IP4;
/* Shouldn't be any active ping here, since IP_CHECK happens after the
* first IP method completes. Any subsequently completing IP method doesn't
* get checked.
*/
g_assert (!priv->gw_ping.watch);
g_assert (!priv->gw_ping.timeout);
g_assert (!priv->gw_ping.pid);
g_assert (priv->ip4_state == IP_DONE || priv->ip6_state == IP_DONE);
connection = nm_device_get_connection (self);
g_assert (connection);
s_con = nm_connection_get_setting_connection (connection);
g_assert (s_con);
timeout = nm_setting_connection_get_gateway_ping_timeout (s_con);
if (timeout) {
if (priv->ip4_config && priv->ip4_state == IP_DONE) {
guint gw = 0;
ping_binary = "/usr/bin/ping";
log_domain = LOGD_IP4;
gw = nm_ip4_config_get_gateway (priv->ip4_config);
if (gw && !inet_ntop (AF_INET, &gw, buf, sizeof (buf)))
buf[0] = '\0';
} else if (priv->ip6_config && priv->ip6_state == IP_DONE) {
const struct in6_addr *gw = NULL;
ping_binary = "/usr/bin/ping6";
log_domain = LOGD_IP6;
gw = nm_ip6_config_get_gateway (priv->ip6_config);
if (gw && !inet_ntop (AF_INET6, gw, buf, sizeof (buf)))
buf[0] = '\0';
}
}
if (buf[0])
spawn_ping (self, log_domain, ping_binary, buf, timeout);
/* If no ping was started, just advance to pre_up */
if (!priv->gw_ping.pid)
ip_check_pre_up (self);
}
/****************************************************************/
static gboolean
carrier_wait_timeout (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NM_DEVICE_GET_PRIVATE (self)->carrier_wait_id = 0;
nm_device_remove_pending_action (self, "carrier wait", TRUE);
return G_SOURCE_REMOVE;
}
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;
}
static gboolean
is_up (NMDevice *self)
{
int ifindex = nm_device_get_ip_ifindex (self);
return ifindex > 0 ? nm_platform_link_is_up (ifindex) : TRUE;
}
gboolean
nm_device_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean device_is_up = FALSE;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
_LOGD (LOGD_HW, "bringing up device.");
if (NM_DEVICE_GET_CLASS (self)->bring_up) {
if (!NM_DEVICE_GET_CLASS (self)->bring_up (self, no_firmware))
return FALSE;
}
device_is_up = nm_device_is_up (self);
if (block && !device_is_up) {
int ifindex = nm_device_get_ip_ifindex (self);
gint64 wait_until = nm_utils_get_monotonic_timestamp_us () + 10000 /* microseconds */;
do {
g_usleep (200);
if (!nm_platform_link_refresh (ifindex))
return FALSE;
device_is_up = nm_device_is_up (self);
} while (!device_is_up && nm_utils_get_monotonic_timestamp_us () < wait_until);
}
if (!device_is_up) {
if (block)
_LOGW (LOGD_HW, "device not up after timeout!");
else
_LOGD (LOGD_HW, "device not up immediately");
return FALSE;
}
/* Devices that support carrier detect must be IFF_UP to report carrier
* changes; so after setting the device IFF_UP we must suppress startup
* complete (via a pending action) until either the carrier turns on, or
* a timeout is reached.
*/
if (device_has_capability (self, NM_DEVICE_CAP_CARRIER_DETECT)) {
if (priv->carrier_wait_id)
g_source_remove (priv->carrier_wait_id);
else
nm_device_add_pending_action (self, "carrier wait", TRUE);
priv->carrier_wait_id = g_timeout_add_seconds (5, carrier_wait_timeout, self);
}
/* Can only get HW address of some devices when they are up */
nm_device_update_hw_address (self);
_update_ip4_address (self);
return TRUE;
}
static void
check_carrier (NMDevice *self)
{
int ifindex = nm_device_get_ip_ifindex (self);
if (!device_has_capability (self, NM_DEVICE_CAP_NONSTANDARD_CARRIER))
nm_device_set_carrier (self, nm_platform_link_is_connected (ifindex));
}
static gboolean
bring_up (NMDevice *self, gboolean *no_firmware)
{
int ifindex = nm_device_get_ip_ifindex (self);
gboolean result;
if (ifindex <= 0) {
if (no_firmware)
*no_firmware = FALSE;
return TRUE;
}
result = nm_platform_link_set_up (ifindex);
if (no_firmware)
*no_firmware = nm_platform_get_error () == NM_PLATFORM_ERROR_NO_FIRMWARE;
/* Store carrier immediately. */
if (result && device_has_capability (self, NM_DEVICE_CAP_CARRIER_DETECT))
check_carrier (self);
return result;
}
void
nm_device_take_down (NMDevice *self, gboolean block)
{
gboolean device_is_up;
g_return_if_fail (NM_IS_DEVICE (self));
_LOGD (LOGD_HW, "taking down device.");
if (NM_DEVICE_GET_CLASS (self)->take_down) {
if (!NM_DEVICE_GET_CLASS (self)->take_down (self))
return;
}
device_is_up = nm_device_is_up (self);
if (block && device_is_up) {
int ifindex = nm_device_get_ip_ifindex (self);
gint64 wait_until = nm_utils_get_monotonic_timestamp_us () + 10000 /* microseconds */;
do {
g_usleep (200);
if (!nm_platform_link_refresh (ifindex))
return;
device_is_up = nm_device_is_up (self);
} while (device_is_up && nm_utils_get_monotonic_timestamp_us () < wait_until);
}
if (device_is_up) {
if (block)
_LOGW (LOGD_HW, "device not down after timeout!");
else
_LOGD (LOGD_HW, "device not down immediately");
}
}
static gboolean
take_down (NMDevice *self)
{
int ifindex = nm_device_get_ip_ifindex (self);
if (ifindex > 0)
return nm_platform_link_set_down (ifindex);
/* devices without ifindex are always up. */
_LOGD (LOGD_HW, "cannot take down device without ifindex");
return FALSE;
}
void
nm_device_set_firmware_missing (NMDevice *self, gboolean new_missing)
{
NMDevicePrivate *priv;
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 NMIP4Config *
find_ip4_lease_config (NMDevice *self,
NMConnection *connection,
NMIP4Config *ext_ip4_config)
{
const char *ip_iface = nm_device_get_ip_iface (self);
GSList *leases, *liter;
NMIP4Config *found = NULL;
g_return_val_if_fail (NM_IS_IP4_CONFIG (ext_ip4_config), NULL);
g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
leases = nm_dhcp_manager_get_lease_ip_configs (nm_dhcp_manager_get (),
ip_iface,
nm_connection_get_uuid (connection),
FALSE,
nm_device_get_ip4_route_metric (self));
for (liter = leases; liter && !found; liter = liter->next) {
NMIP4Config *lease_config = liter->data;
const NMPlatformIP4Address *address = nm_ip4_config_get_address (lease_config, 0);
guint32 gateway = nm_ip4_config_get_gateway (lease_config);
g_assert (address);
if (!nm_ip4_config_address_exists (ext_ip4_config, address))
continue;
if (gateway != nm_ip4_config_get_gateway (ext_ip4_config))
continue;
found = g_object_ref (lease_config);
}
g_slist_free_full (leases, g_object_unref);
return found;
}
static void
capture_lease_config (NMDevice *self,
NMIP4Config *ext_ip4_config,
NMIP4Config **out_ip4_config,
NMIP6Config *ext_ip6_config,
NMIP6Config **out_ip6_config)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
const GSList *connections, *citer;
guint i;
gboolean dhcp_used = FALSE;
/* Ensure at least one address on the device has a non-infinite lifetime,
* otherwise DHCP cannot possibly be active on the device right now.
*/
if (ext_ip4_config && out_ip4_config) {
for (i = 0; i < nm_ip4_config_get_num_addresses (ext_ip4_config); i++) {
const NMPlatformIP4Address *addr = nm_ip4_config_get_address (ext_ip4_config, i);
if (addr->lifetime != NM_PLATFORM_LIFETIME_PERMANENT) {
dhcp_used = TRUE;
break;
}
}
} else if (ext_ip6_config && out_ip6_config) {
for (i = 0; i < nm_ip6_config_get_num_addresses (ext_ip6_config); i++) {
const NMPlatformIP6Address *addr = nm_ip6_config_get_address (ext_ip6_config, i);
if (addr->lifetime != NM_PLATFORM_LIFETIME_PERMANENT) {
dhcp_used = TRUE;
break;
}
}
} else {
g_return_if_fail ( (ext_ip6_config && out_ip6_config)
|| (ext_ip4_config && out_ip4_config));
}
if (!dhcp_used)
return;
connections = nm_connection_provider_get_connections (priv->con_provider);
for (citer = connections; citer; citer = citer->next) {
NMConnection *candidate = citer->data;
const char *method;
if (!nm_device_check_connection_compatible (self, candidate))
continue;
/* IPv4 leases */
method = nm_utils_get_ip_config_method (candidate, NM_TYPE_SETTING_IP4_CONFIG);
if (out_ip4_config && strcmp (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0) {
*out_ip4_config = find_ip4_lease_config (self, candidate, ext_ip4_config);
if (*out_ip4_config)
return;
}
/* IPv6 leases */
method = nm_utils_get_ip_config_method (candidate, NM_TYPE_SETTING_IP6_CONFIG);
if (out_ip6_config && strcmp (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0) {
/* FIXME: implement find_ip6_lease_config() */
}
}
}
static void
update_ip_config (NMDevice *self, gboolean initial)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int ifindex;
gboolean linklocal6_just_completed = FALSE;
gboolean capture_resolv_conf;
NMDnsManagerResolvConfMode resolv_conf_mode;
ifindex = nm_device_get_ip_ifindex (self);
if (!ifindex)
return;
resolv_conf_mode = nm_dns_manager_get_resolv_conf_mode (nm_dns_manager_get ());
capture_resolv_conf = initial && (resolv_conf_mode == NM_DNS_MANAGER_RESOLV_CONF_EXPLICIT);
/* IPv4 */
g_clear_object (&priv->ext_ip4_config);
priv->ext_ip4_config = nm_ip4_config_capture (ifindex, capture_resolv_conf);
if (priv->ext_ip4_config) {
if (initial) {
g_clear_object (&priv->dev_ip4_config);
capture_lease_config (self, priv->ext_ip4_config, &priv->dev_ip4_config, NULL, NULL);
}
ensure_con_ipx_config (self);
/* This function was called upon external changes. Remove the configuration
* (adresses,routes) that is no longer present externally from the interal
* config. This way, we don't readd addresses that were manually removed
* by the user. */
if (priv->con_ip4_config)
nm_ip4_config_intersect (priv->con_ip4_config, priv->ext_ip4_config);
if (priv->dev_ip4_config)
nm_ip4_config_intersect (priv->dev_ip4_config, priv->ext_ip4_config);
if (priv->vpn4_config)
nm_ip4_config_intersect (priv->vpn4_config, priv->ext_ip4_config);
if (priv->wwan_ip4_config)
nm_ip4_config_intersect (priv->wwan_ip4_config, priv->ext_ip4_config);
/* Remove parts from ext_ip4_config to only contain the information that
* was configured externally -- we already have the same configuration from
* internal origins. */
if (priv->con_ip4_config)
nm_ip4_config_subtract (priv->ext_ip4_config, priv->con_ip4_config);
if (priv->dev_ip4_config)
nm_ip4_config_subtract (priv->ext_ip4_config, priv->dev_ip4_config);
if (priv->vpn4_config)
nm_ip4_config_subtract (priv->ext_ip4_config, priv->vpn4_config);
if (priv->wwan_ip4_config)
nm_ip4_config_subtract (priv->ext_ip4_config, priv->wwan_ip4_config);
ip4_config_merge_and_apply (self, NULL, FALSE, NULL);
}
/* IPv6 */
g_clear_object (&priv->ext_ip6_config);
priv->ext_ip6_config = nm_ip6_config_capture (ifindex, capture_resolv_conf, NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN);
if (priv->ext_ip6_config) {
/* Check this before modifying ext_ip6_config */
linklocal6_just_completed = priv->linklocal6_timeout_id &&
have_ip6_address (priv->ext_ip6_config, TRUE);
ensure_con_ipx_config (self);
/* This function was called upon external changes. Remove the configuration
* (adresses,routes) that is no longer present externally from the interal
* config. This way, we don't readd addresses that were manually removed
* by the user. */
if (priv->con_ip6_config)
nm_ip6_config_intersect (priv->con_ip6_config, priv->ext_ip6_config);
if (priv->ac_ip6_config)
nm_ip6_config_intersect (priv->ac_ip6_config, priv->ext_ip6_config);
if (priv->dhcp6_ip6_config)
nm_ip6_config_intersect (priv->dhcp6_ip6_config, priv->ext_ip6_config);
if (priv->wwan_ip6_config)
nm_ip6_config_intersect (priv->wwan_ip6_config, priv->ext_ip6_config);
if (priv->vpn6_config)
nm_ip6_config_intersect (priv->vpn6_config, priv->ext_ip6_config);
/* Remove parts from ext_ip6_config to only contain the information that
* was configured externally -- we already have the same configuration from
* internal origins. */
if (priv->con_ip6_config)
nm_ip6_config_subtract (priv->ext_ip6_config, priv->con_ip6_config);
if (priv->ac_ip6_config)
nm_ip6_config_subtract (priv->ext_ip6_config, priv->ac_ip6_config);
if (priv->dhcp6_ip6_config)
nm_ip6_config_subtract (priv->ext_ip6_config, priv->dhcp6_ip6_config);
if (priv->wwan_ip6_config)
nm_ip6_config_subtract (priv->ext_ip6_config, priv->wwan_ip6_config);
if (priv->vpn6_config)
nm_ip6_config_subtract (priv->ext_ip6_config, priv->vpn6_config);
ip6_config_merge_and_apply (self, FALSE, NULL);
}
if (linklocal6_just_completed) {
/* linklocal6 is ready now, do the state transition... we are also
* invoked as g_idle_add, so no problems with reentrance doing it now.
*/
linklocal6_complete (self);
}
}
void
nm_device_capture_initial_config (NMDevice *self)
{
update_ip_config (self, TRUE);
}
static gboolean
queued_ip_config_change (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
/* Wait for any queued state changes */
if (priv->queued_state.id)
return TRUE;
priv->queued_ip_config_id = 0;
update_ip_config (self, FALSE);
/* If no IPv6 link-local address exists but other addresses do then we
* must add the LL address to remain conformant with RFC 3513 chapter 2.1
* ("Addressing Model"): "All interfaces are required to have at least
* one link-local unicast address".
*/
if (priv->ip6_config && nm_ip6_config_get_num_addresses (priv->ip6_config))
check_and_add_ipv6ll_addr (self);
return FALSE;
}
static void
device_ip_changed (NMPlatform *platform,
int ifindex,
gpointer platform_object,
NMPlatformSignalChangeType change_type,
NMPlatformReason reason,
NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (nm_device_get_ip_ifindex (self) == ifindex) {
if (!priv->queued_ip_config_id)
priv->queued_ip_config_id = g_idle_add (queued_ip_config_change, self);
_LOGD (LOGD_DEVICE, "queued IP config change");
}
}
static void
nm_device_queued_ip_config_change_clear (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->queued_ip_config_id) {
_LOGD (LOGD_DEVICE, "clearing queued IP config change");
g_source_remove (priv->queued_ip_config_id);
priv->queued_ip_config_id = 0;
}
}
/**
* nm_device_get_managed():
* @self: the #NMDevice
*
* Returns: %TRUE if the device is managed
*/
gboolean
nm_device_get_managed (NMDevice *self)
{
NMDevicePrivate *priv;
gboolean managed;
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
priv = NM_DEVICE_GET_PRIVATE (self);
/* Return the composite of all managed flags. However, if the device
* is a default-unmanaged device, and would be managed except for the
* default-unmanaged flag (eg, only NM_UNMANAGED_DEFAULT is set) then
* the device is managed whenever it's not in the UNMANAGED state.
*/
managed = !(priv->unmanaged_flags & ~NM_UNMANAGED_DEFAULT);
if (managed && (priv->unmanaged_flags & NM_UNMANAGED_DEFAULT))
managed = (priv->state > NM_DEVICE_STATE_UNMANAGED);
return managed;
}
/**
* nm_device_get_unmanaged_flag():
* @self: the #NMDevice
*
* Returns: %TRUE if the device is unmanaged for @flag.
*/
gboolean
nm_device_get_unmanaged_flag (NMDevice *self, NMUnmanagedFlags flag)
{
return NM_FLAGS_ANY (NM_DEVICE_GET_PRIVATE (self)->unmanaged_flags, flag);
}
/**
* nm_device_get_default_unmanaged():
* @self: the #NMDevice
*
* Returns: %TRUE if the device is by default unmanaged
*/
static gboolean
nm_device_get_default_unmanaged (NMDevice *self)
{
return nm_device_get_unmanaged_flag (self, NM_UNMANAGED_DEFAULT);
}
void
nm_device_set_unmanaged (NMDevice *self,
NMUnmanagedFlags flag,
gboolean unmanaged,
NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
gboolean was_managed, now_managed;
g_return_if_fail (NM_IS_DEVICE (self));
g_return_if_fail (flag <= NM_UNMANAGED_LAST);
priv = NM_DEVICE_GET_PRIVATE (self);
was_managed = nm_device_get_managed (self);
if (unmanaged)
priv->unmanaged_flags |= flag;
else
priv->unmanaged_flags &= ~flag;
now_managed = nm_device_get_managed (self);
if (was_managed != now_managed) {
_LOGD (LOGD_DEVICE, "now %s", unmanaged ? "unmanaged" : "managed");
g_object_notify (G_OBJECT (self), NM_DEVICE_MANAGED);
if (unmanaged)
nm_device_state_changed (self, NM_DEVICE_STATE_UNMANAGED, reason);
else
nm_device_state_changed (self, NM_DEVICE_STATE_UNAVAILABLE, reason);
}
}
void
nm_device_set_unmanaged_quitting (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
/* It's OK to block here because we're quitting */
if (nm_device_is_activating (self) || priv->state == NM_DEVICE_STATE_ACTIVATED)
_set_state_full (self, NM_DEVICE_STATE_DEACTIVATING, NM_DEVICE_STATE_REASON_REMOVED, TRUE);
nm_device_set_unmanaged (self,
NM_UNMANAGED_INTERNAL,
TRUE,
NM_DEVICE_STATE_REASON_REMOVED);
}
/**
* nm_device_set_initial_unmanaged_flag():
* @self: the #NMDevice
* @flag: an #NMUnmanagedFlag
* @unmanaged: %TRUE or %FALSE to set or clear @flag
*
* Like nm_device_set_unmanaged(), but must be set before the device is
* initialized by nm_device_finish_init(), and does not trigger state changes.
* Should only be used when initializing a device.
*/
void
nm_device_set_initial_unmanaged_flag (NMDevice *self,
NMUnmanagedFlags flag,
gboolean unmanaged)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
g_return_if_fail (flag <= NM_UNMANAGED_LAST);
priv = NM_DEVICE_GET_PRIVATE (self);
g_return_if_fail (priv->initialized == FALSE);
if (unmanaged)
priv->unmanaged_flags |= flag;
else
priv->unmanaged_flags &= ~flag;
}
void
nm_device_set_dhcp_timeout (NMDevice *self, guint32 timeout)
{
g_return_if_fail (NM_IS_DEVICE (self));
NM_DEVICE_GET_PRIVATE (self)->dhcp_timeout = timeout;
}
void
nm_device_set_dhcp_anycast_address (NMDevice *self, const char *addr)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
g_return_if_fail (!addr || nm_utils_hwaddr_valid (addr, ETH_ALEN));
priv = NM_DEVICE_GET_PRIVATE (self);
g_free (priv->dhcp_anycast_address);
priv->dhcp_anycast_address = g_strdup (addr);
}
/**
* nm_device_connection_is_available():
* @self: the #NMDevice
* @connection: the #NMConnection to check for availability
* @for_user_activation_request: set to %TRUE if we are checking whether
* the connection is available on an explicit user request. This
* also checks for device specific overrides.
*
* Check if @connection is available to be activated on @self. Normally this
* only checks if the connection is in @self's AvailableConnections property.
* If @for_user_activation_request is %TRUE then the device is asked to do specific
* checks that may bypass the AvailableConnections property.
*
* Returns: %TRUE if @connection can be activated on @self
*/
gboolean
nm_device_connection_is_available (NMDevice *self,
NMConnection *connection,
gboolean for_user_activation_request)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean is_default_unmanaged;
if (g_hash_table_contains (priv->available_connections, connection))
return TRUE;
is_default_unmanaged = priv->state == NM_DEVICE_STATE_UNMANAGED && nm_device_get_default_unmanaged (self);
if (!for_user_activation_request && !is_default_unmanaged) {
/* Shortcut: there are only additional checks for either @for_user_activation_request
* or @is_default_unmanaged. Return FALSE right away. */
return FALSE;
}
if (!nm_device_check_connection_compatible (self, connection)) {
/* An incompatilbe connection is never available. */
return FALSE;
}
if ( is_default_unmanaged
&& NM_DEVICE_GET_CLASS (self)->check_connection_available (self, connection, NM_DEVICE_CHECK_CON_AVAILABLE_NONE, NULL)) {
/* default-unmanaged devices in UNMANAGED state have no available connections
* so we must manually check whether the connection is available here. */
return TRUE;
}
if ( for_user_activation_request
&& NM_DEVICE_GET_CLASS (self)->check_connection_available_has_user_override
&& NM_DEVICE_GET_CLASS (self)->check_connection_available (self, connection, NM_DEVICE_CHECK_CON_AVAILABLE_FOR_USER_REQUEST, NULL)) {
/* Connections for an explicit user activation request might only be available after
* additional checking.
*
* For example in case of hidden Wi-Fi, the connection might not have the 'hidden' property
* set. Support this by allowing device specific overrides.
*/
return TRUE;
}
return FALSE;
}
static void
_signal_available_connections_changed (NMDevice *self)
{
g_object_notify (G_OBJECT (self), NM_DEVICE_AVAILABLE_CONNECTIONS);
}
static void
_clear_available_connections (NMDevice *self, gboolean do_signal)
{
g_hash_table_remove_all (NM_DEVICE_GET_PRIVATE (self)->available_connections);
if (do_signal == TRUE)
_signal_available_connections_changed (self);
}
static gboolean
_try_add_available_connection (NMDevice *self, NMConnection *connection)
{
if ( nm_device_get_state (self) < NM_DEVICE_STATE_DISCONNECTED
&& !nm_device_get_default_unmanaged (self))
return FALSE;
if (nm_device_check_connection_compatible (self, connection)) {
if (NM_DEVICE_GET_CLASS (self)->check_connection_available (self, connection, NM_DEVICE_CHECK_CON_AVAILABLE_NONE, NULL)) {
g_hash_table_add (NM_DEVICE_GET_PRIVATE (self)->available_connections,
g_object_ref (connection));
return TRUE;
}
}
return FALSE;
}
static gboolean
_del_available_connection (NMDevice *self, NMConnection *connection)
{
return g_hash_table_remove (NM_DEVICE_GET_PRIVATE (self)->available_connections, connection);
}
static gboolean
check_connection_available (NMDevice *self,
NMConnection *connection,
NMDeviceCheckConAvailableFlags flags,
const char *specific_object)
{
/* Connections which require a network connection are not available when
* the device has no carrier, even with ignore-carrer=TRUE.
*/
if (NM_DEVICE_GET_PRIVATE (self)->carrier == FALSE)
return connection_requires_carrier (connection) ? FALSE : TRUE;
return TRUE;
}
void
nm_device_recheck_available_connections (NMDevice *self)
{
NMDevicePrivate *priv;
const GSList *connections, *iter;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE(self);
if (priv->con_provider) {
_clear_available_connections (self, FALSE);
connections = nm_connection_provider_get_connections (priv->con_provider);
for (iter = connections; iter; iter = g_slist_next (iter))
_try_add_available_connection (self, NM_CONNECTION (iter->data));
_signal_available_connections_changed (self);
}
}
/**
* nm_device_get_available_connections:
* @self: the #NMDevice
* @specific_object: a specific object path if any
*
* Returns a list of connections available to activate on the device, taking
* into account any device-specific details given by @specific_object (like
* WiFi access point path).
*
* Returns: caller-owned #GPtrArray of #NMConnections
*/
GPtrArray *
nm_device_get_available_connections (NMDevice *self, const char *specific_object)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GHashTableIter iter;
guint num_available;
NMConnection *connection = NULL;
GPtrArray *array = NULL;
num_available = g_hash_table_size (priv->available_connections);
if (num_available > 0) {
array = g_ptr_array_sized_new (num_available);
g_hash_table_iter_init (&iter, priv->available_connections);
while (g_hash_table_iter_next (&iter, (gpointer) &connection, NULL)) {
/* If a specific object is given, only include connections that are
* compatible with it.
*/
if ( !specific_object
|| NM_DEVICE_GET_CLASS (self)->check_connection_available (self, connection, NM_DEVICE_CHECK_CON_AVAILABLE_NONE, specific_object))
g_ptr_array_add (array, connection);
}
}
return array;
}
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_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));
}
gboolean
nm_device_supports_vlans (NMDevice *self)
{
return nm_platform_link_supports_vlans (nm_device_get_ifindex (self));
}
/**
* nm_device_add_pending_action():
* @self: the #NMDevice to add the pending action to
* @action: a static string that identifies the action
* @assert_not_yet_pending: if %TRUE, assert that the @action is currently not yet pending.
* Otherwise, ignore duplicate scheduling of the same action silently.
*
* Adds a pending action to the device.
*
* Returns: %TRUE if the action was added (and not already added before). %FALSE
* if the same action is already scheduled. In the latter case, the action was not scheduled
* a second time.
*/
gboolean
nm_device_add_pending_action (NMDevice *self, const char *action, gboolean assert_not_yet_pending)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GSList *iter;
guint count = 0;
g_return_val_if_fail (action, FALSE);
/* Check if the action is already pending. Cannot add duplicate actions */
for (iter = priv->pending_actions; iter; iter = iter->next) {
if (!strcmp (action, iter->data)) {
if (assert_not_yet_pending) {
_LOGW (LOGD_DEVICE, "add_pending_action (%d): '%s' already pending",
count + g_slist_length (iter), action);
g_return_val_if_reached (FALSE);
} else {
_LOGD (LOGD_DEVICE, "add_pending_action (%d): '%s' already pending (expected)",
count + g_slist_length (iter), action);
}
return FALSE;
}
count++;
}
priv->pending_actions = g_slist_append (priv->pending_actions, g_strdup (action));
count++;
_LOGD (LOGD_DEVICE, "add_pending_action (%d): '%s'", count, action);
if (count == 1)
g_object_notify (G_OBJECT (self), NM_DEVICE_HAS_PENDING_ACTION);
return TRUE;
}
/**
* nm_device_remove_pending_action():
* @self: the #NMDevice to remove the pending action from
* @action: a static string that identifies the action
* @assert_is_pending: if %TRUE, assert that the @action is pending.
* If %FALSE, don't do anything if the current action is not pending and
* return %FALSE.
*
* Removes a pending action previously added by nm_device_add_pending_action().
*
* Returns: whether the @action was pending and is now removed.
*/
gboolean
nm_device_remove_pending_action (NMDevice *self, const char *action, gboolean assert_is_pending)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
GSList *iter;
guint count = 0;
g_return_val_if_fail (action, FALSE);
for (iter = priv->pending_actions; iter; iter = iter->next) {
if (!strcmp (action, iter->data)) {
_LOGD (LOGD_DEVICE, "remove_pending_action (%d): '%s'",
count + g_slist_length (iter->next), /* length excluding 'iter' */
action);
g_free (iter->data);
priv->pending_actions = g_slist_delete_link (priv->pending_actions, iter);
if (priv->pending_actions == NULL)
g_object_notify (G_OBJECT (self), NM_DEVICE_HAS_PENDING_ACTION);
return TRUE;
}
count++;
}
if (assert_is_pending) {
_LOGW (LOGD_DEVICE, "remove_pending_action (%d): '%s' not pending", count, action);
g_return_val_if_reached (FALSE);
} else
_LOGD (LOGD_DEVICE, "remove_pending_action (%d): '%s' not pending (expected)", count, action);
return FALSE;
}
gboolean
nm_device_has_pending_action (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
return !!priv->pending_actions;
}
/***********************************************************/
static void
_cleanup_ip_pre (NMDevice *self, gboolean deconfigure)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
priv->ip4_state = priv->ip6_state = IP_NONE;
nm_device_queued_ip_config_change_clear (self);
dhcp4_cleanup (self, deconfigure, FALSE);
arp_cleanup (self);
dhcp6_cleanup (self, deconfigure, FALSE);
linklocal6_cleanup (self);
addrconf6_cleanup (self);
dnsmasq_cleanup (self);
aipd_cleanup (self);
}
static void
_cleanup_generic_pre (NMDevice *self, gboolean deconfigure)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMConnection *connection;
/* Clean up when device was deactivated during call to firewall */
if (priv->fw_call) {
nm_firewall_manager_cancel_call (nm_firewall_manager_get (), priv->fw_call);
priv->fw_call = NULL;
}
connection = nm_device_get_connection (self);
if ( deconfigure
&& connection
&& !nm_device_uses_assumed_connection (self)) {
nm_firewall_manager_remove_from_zone (nm_firewall_manager_get (),
nm_device_get_ip_iface (self),
NULL);
}
ip_check_gw_ping_cleanup (self);
/* Break the activation chain */
activation_source_clear (self, TRUE, AF_INET);
activation_source_clear (self, TRUE, AF_INET6);
/* Clear any queued transitions */
nm_device_queued_state_clear (self);
_cleanup_ip_pre (self, deconfigure);
}
static void
_cleanup_generic_post (NMDevice *self, gboolean deconfigure)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceStateReason ignored = NM_DEVICE_STATE_REASON_NONE;
priv->default_route.v4_has = FALSE;
priv->default_route.v4_is_assumed = TRUE;
priv->default_route.v6_has = FALSE;
priv->default_route.v6_is_assumed = TRUE;
nm_default_route_manager_ip4_update_default_route (nm_default_route_manager_get (), self);
nm_default_route_manager_ip6_update_default_route (nm_default_route_manager_get (), self);
/* Clean up IP configs; this does not actually deconfigure the
* interface; the caller must flush routes and addresses explicitly.
*/
nm_device_set_ip4_config (self, NULL, 0, TRUE, &ignored);
nm_device_set_ip6_config (self, NULL, TRUE, &ignored);
g_clear_object (&priv->con_ip4_config);
g_clear_object (&priv->dev_ip4_config);
g_clear_object (&priv->ext_ip4_config);
g_clear_object (&priv->wwan_ip4_config);
g_clear_object (&priv->vpn4_config);
g_clear_object (&priv->ip4_config);
g_clear_object (&priv->con_ip6_config);
g_clear_object (&priv->ac_ip6_config);
g_clear_object (&priv->ext_ip6_config);
g_clear_object (&priv->vpn6_config);
g_clear_object (&priv->wwan_ip6_config);
g_clear_object (&priv->ip6_config);
clear_act_request (self);
/* Clear legacy IPv4 address property */
if (priv->ip4_address) {
priv->ip4_address = 0;
g_object_notify (G_OBJECT (self), NM_DEVICE_IP4_ADDRESS);
}
if (deconfigure) {
/* Check if the device was deactivated, and if so, delete_link.
* Don't call delete_link synchronously because we are currently
* handling a state change -- which is not reentrant. */
delete_on_deactivate_check_and_schedule (self, nm_device_get_ip_ifindex (self));
}
/* ip_iface should be cleared after flushing all routes and addreses, since
* those are identified by ip_iface, not by iface (which might be a tty
* or ATM device).
*/
nm_device_set_ip_iface (self, NULL);
}
/*
* nm_device_cleanup
*
* Remove a device's routing table entries and IP addresses.
*
*/
static void
nm_device_cleanup (NMDevice *self, NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
int ifindex;
g_return_if_fail (NM_IS_DEVICE (self));
if (reason == NM_DEVICE_STATE_REASON_NOW_MANAGED)
_LOGI (LOGD_DEVICE, "preparing device");
else
_LOGI (LOGD_DEVICE, "deactivating device (reason '%s') [%d]", reason_to_string (reason), reason);
/* Save whether or not we tried IPv6 for later */
priv = NM_DEVICE_GET_PRIVATE (self);
_cleanup_generic_pre (self, TRUE);
/* Turn off kernel IPv6 */
set_disable_ipv6 (self, "1");
nm_device_ipv6_sysctl_set (self, "accept_ra", "0");
nm_device_ipv6_sysctl_set (self, "use_tempaddr", "0");
/* Call device type-specific deactivation */
if (NM_DEVICE_GET_CLASS (self)->deactivate)
NM_DEVICE_GET_CLASS (self)->deactivate (self);
/* master: release slaves */
nm_device_master_release_slaves (self);
/* slave: mark no longer enslaved */
g_clear_object (&priv->master);
priv->enslaved = FALSE;
g_object_notify (G_OBJECT (self), NM_DEVICE_MASTER);
/* Take out any entries in the routing table and any IP address the device had. */
ifindex = nm_device_get_ip_ifindex (self);
if (ifindex > 0) {
nm_platform_route_flush (ifindex);
nm_platform_address_flush (ifindex);
}
_cleanup_generic_post (self, TRUE);
}
static char *
bin2hexstr (const char *bytes, gsize len)
{
GString *str;
int i;
g_return_val_if_fail (bytes != NULL, NULL);
g_return_val_if_fail (len > 0, NULL);
str = g_string_sized_new (len * 2 + 1);
for (i = 0; i < len; i++) {
if (str->len)
g_string_append_c (str, ':');
g_string_append_printf (str, "%02x", (guint8) bytes[i]);
}
return g_string_free (str, FALSE);
}
static char *
find_dhcp4_address (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
guint i, n;
if (!priv->ip4_config)
return NULL;
n = nm_ip4_config_get_num_addresses (priv->ip4_config);
for (i = 0; i < n; i++) {
const NMPlatformIP4Address *a = nm_ip4_config_get_address (priv->ip4_config, i);
if (a->source == NM_IP_CONFIG_SOURCE_DHCP)
return g_strdup (nm_utils_inet4_ntop (a->address, NULL));
}
return NULL;
}
void
nm_device_spawn_iface_helper (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean configured = FALSE;
NMConnection *connection;
GError *error = NULL;
const char *method;
GPtrArray *argv;
gs_free char *dhcp4_address = NULL;
if (priv->state != NM_DEVICE_STATE_ACTIVATED)
return;
if (!nm_device_can_assume_connections (self))
return;
connection = nm_device_get_connection (self);
g_assert (connection);
argv = g_ptr_array_sized_new (10);
g_ptr_array_set_free_func (argv, g_free);
g_ptr_array_add (argv, g_strdup (LIBEXECDIR "/nm-iface-helper"));
g_ptr_array_add (argv, g_strdup ("--ifname"));
g_ptr_array_add (argv, g_strdup (nm_device_get_ip_iface (self)));
g_ptr_array_add (argv, g_strdup ("--uuid"));
g_ptr_array_add (argv, g_strdup (nm_connection_get_uuid (connection)));
dhcp4_address = find_dhcp4_address (self);
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP4_CONFIG);
if ( priv->ip4_config
&& priv->ip4_state == IP_DONE
&& g_strcmp0 (method, NM_SETTING_IP4_CONFIG_METHOD_AUTO) == 0
&& priv->dhcp4_client
&& dhcp4_address) {
NMSettingIPConfig *s_ip4;
GBytes *client_id;
char *hex_client_id;
const char *hostname;
s_ip4 = nm_connection_get_setting_ip4_config (connection);
g_assert (s_ip4);
g_ptr_array_add (argv, g_strdup ("--priority4"));
g_ptr_array_add (argv, g_strdup_printf ("%u", nm_device_get_ip4_route_metric (self)));
g_ptr_array_add (argv, g_strdup ("--dhcp4"));
g_ptr_array_add (argv, g_strdup (dhcp4_address));
if (nm_setting_ip_config_get_may_fail (s_ip4) == FALSE)
g_ptr_array_add (argv, g_strdup ("--dhcp4-required"));
client_id = nm_dhcp_client_get_client_id (priv->dhcp4_client);
if (client_id) {
g_ptr_array_add (argv, g_strdup ("--dhcp4-clientid"));
hex_client_id = bin2hexstr (g_bytes_get_data (client_id, NULL),
g_bytes_get_size (client_id));
g_ptr_array_add (argv, hex_client_id);
}
hostname = nm_dhcp_client_get_hostname (priv->dhcp4_client);
if (client_id) {
g_ptr_array_add (argv, g_strdup ("--dhcp4-hostname"));
g_ptr_array_add (argv, g_strdup (hostname));
}
configured = TRUE;
}
method = nm_utils_get_ip_config_method (connection, NM_TYPE_SETTING_IP6_CONFIG);
if ( priv->ip6_config
&& priv->ip6_state == IP_DONE
&& g_strcmp0 (method, NM_SETTING_IP6_CONFIG_METHOD_AUTO) == 0
&& priv->rdisc
&& priv->ac_ip6_config) {
NMSettingIPConfig *s_ip6;
char *hex_iid;
NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT;
s_ip6 = nm_connection_get_setting_ip6_config (connection);
g_assert (s_ip6);
g_ptr_array_add (argv, g_strdup ("--priority6"));
g_ptr_array_add (argv, g_strdup_printf ("%u", nm_device_get_ip6_route_metric (self)));
g_ptr_array_add (argv, g_strdup ("--slaac"));
if (nm_setting_ip_config_get_may_fail (s_ip6) == FALSE)
g_ptr_array_add (argv, g_strdup ("--slaac-required"));
g_ptr_array_add (argv, g_strdup ("--slaac-tempaddr"));
g_ptr_array_add (argv, g_strdup_printf ("%d", priv->rdisc_use_tempaddr));
if (nm_device_get_ip_iface_identifier (self, &iid)) {
g_ptr_array_add (argv, g_strdup ("--iid"));
hex_iid = bin2hexstr ((const char *) iid.id_u8, sizeof (NMUtilsIPv6IfaceId));
g_ptr_array_add (argv, hex_iid);
}
configured = TRUE;
}
if (configured) {
GPid pid;
g_ptr_array_add (argv, NULL);
if (nm_logging_enabled (LOGL_DEBUG, LOGD_DEVICE)) {
char *tmp;
tmp = g_strjoinv (" ", (char **) argv->pdata);
_LOGD (LOGD_DEVICE, "running '%s'", tmp);
g_free (tmp);
}
if (g_spawn_async (NULL, (char **) argv->pdata, NULL,
G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, &error)) {
_LOGI (LOGD_DEVICE, "spawned helper PID %u", (guint) pid);
} else {
_LOGW (LOGD_DEVICE, "failed to spawn helper: %s", error->message);
g_error_free (error);
}
}
g_ptr_array_unref (argv);
}
/***********************************************************/
static gboolean
ip_config_valid (NMDeviceState state)
{
return (state == NM_DEVICE_STATE_UNMANAGED) ||
(state >= NM_DEVICE_STATE_IP_CHECK &&
state <= NM_DEVICE_STATE_DEACTIVATING);
}
static void
notify_ip_properties (NMDevice *self)
{
g_object_notify (G_OBJECT (self), NM_DEVICE_IP_IFACE);
g_object_notify (G_OBJECT (self), NM_DEVICE_IP4_CONFIG);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP4_CONFIG);
g_object_notify (G_OBJECT (self), NM_DEVICE_IP6_CONFIG);
g_object_notify (G_OBJECT (self), NM_DEVICE_DHCP6_CONFIG);
}
static void
ip6_managed_setup (NMDevice *self)
{
set_nm_ipv6ll (self, TRUE);
set_disable_ipv6 (self, "1");
nm_device_ipv6_sysctl_set (self, "accept_ra_defrtr", "0");
nm_device_ipv6_sysctl_set (self, "accept_ra_pinfo", "0");
nm_device_ipv6_sysctl_set (self, "accept_ra_rtr_pref", "0");
nm_device_ipv6_sysctl_set (self, "use_tempaddr", "0");
}
static void
deactivate_async_ready (NMDevice *self,
GAsyncResult *res,
gpointer user_data)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceStateReason reason = GPOINTER_TO_UINT (user_data);
GError *error = NULL;
NM_DEVICE_GET_CLASS (self)->deactivate_async_finish (self, res, &error);
/* If operation cancelled, just return */
if ( g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)
|| (priv->deactivating_cancellable && g_cancellable_is_cancelled (priv->deactivating_cancellable))) {
nm_log_warn (LOGD_DEVICE, "Deactivation (%s) cancelled",
nm_device_get_iface (self));
}
/* In every other case, transition to the DISCONNECTED state */
else {
if (error)
nm_log_warn (LOGD_DEVICE, "Deactivation (%s) failed: %s",
nm_device_get_iface (self),
error->message);
nm_device_queue_state (self, NM_DEVICE_STATE_DISCONNECTED, reason);
}
g_clear_object (&priv->deactivating_cancellable);
g_clear_error (&error);
}
static void
deactivate_dispatcher_complete (guint call_id, gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceStateReason reason;
g_return_if_fail (call_id == priv->dispatcher.call_id);
g_return_if_fail (priv->dispatcher.post_state == NM_DEVICE_STATE_DISCONNECTED);
reason = priv->dispatcher.post_state_reason;
priv->dispatcher.call_id = 0;
priv->dispatcher.post_state = NM_DEVICE_STATE_UNKNOWN;
priv->dispatcher.post_state_reason = NM_DEVICE_STATE_REASON_NONE;
if (priv->deactivating_cancellable) {
g_warn_if_reached ();
g_cancellable_cancel (priv->deactivating_cancellable);
g_clear_object (&priv->deactivating_cancellable);
}
if ( NM_DEVICE_GET_CLASS (self)->deactivate_async
&& NM_DEVICE_GET_CLASS (self)->deactivate_async_finish) {
priv->deactivating_cancellable = g_cancellable_new ();
NM_DEVICE_GET_CLASS (self)->deactivate_async (self,
priv->deactivating_cancellable,
(GAsyncReadyCallback) deactivate_async_ready,
GUINT_TO_POINTER (reason));
} else
nm_device_queue_state (self, NM_DEVICE_STATE_DISCONNECTED, reason);
}
static void
_set_state_full (NMDevice *self,
NMDeviceState state,
NMDeviceStateReason reason,
gboolean quitting)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState old_state;
NMActRequest *req;
gboolean no_firmware = FALSE;
NMConnection *connection;
/* Track re-entry */
g_warn_if_fail (priv->in_state_changed == FALSE);
priv->in_state_changed = TRUE;
g_return_if_fail (NM_IS_DEVICE (self));
/* 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)) {
priv->in_state_changed = FALSE;
return;
}
old_state = priv->state;
priv->state = state;
priv->state_reason = reason;
_LOGI (LOGD_DEVICE, "device state change: %s -> %s (reason '%s') [%d %d %d]",
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 (self);
dispatcher_cleanup (self);
if (priv->deactivating_cancellable)
g_cancellable_cancel (priv->deactivating_cancellable);
/* Cache the activation request for the dispatcher */
req = priv->act_request ? g_object_ref (priv->act_request) : NULL;
if (state <= NM_DEVICE_STATE_UNAVAILABLE) {
_clear_available_connections (self, TRUE);
_clear_queued_act_request (priv);
}
/* 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_get_default_unmanaged (self))
nm_device_recheck_available_connections (self);
/* 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 (self, FALSE);
if (old_state > NM_DEVICE_STATE_UNMANAGED) {
/* Clean up if the device is now unmanaged but was activated */
if (nm_device_get_act_request (self))
nm_device_cleanup (self, reason);
nm_device_take_down (self, TRUE);
set_nm_ipv6ll (self, FALSE);
restore_ip6_properties (self);
}
break;
case NM_DEVICE_STATE_UNAVAILABLE:
if (old_state == NM_DEVICE_STATE_UNMANAGED) {
save_ip6_properties (self);
if (reason != NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED)
ip6_managed_setup (self);
}
if (reason != NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED) {
if (old_state == NM_DEVICE_STATE_UNMANAGED || priv->firmware_missing) {
if (!nm_device_bring_up (self, TRUE, &no_firmware) && no_firmware)
_LOGW (LOGD_HW, "firmware may be missing.");
nm_device_set_firmware_missing (self, 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.
*
* Note that we "deactivate" the device even when coming from
* UNMANAGED, to ensure that it's in a clean state.
*/
nm_device_cleanup (self, reason);
}
break;
case NM_DEVICE_STATE_DISCONNECTED:
if (old_state > NM_DEVICE_STATE_DISCONNECTED) {
/* Ensure devices that previously assumed a connection now have
* userspace IPv6LL enabled.
*/
set_nm_ipv6ll (self, TRUE);
nm_device_cleanup (self, reason);
} else if (old_state < NM_DEVICE_STATE_DISCONNECTED) {
if (reason != NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED) {
/* Ensure IPv6 is set up as it may not have been done when
* entering the UNAVAILABLE state depending on the reason.
*/
ip6_managed_setup (self);
}
}
break;
case NM_DEVICE_STATE_NEED_AUTH:
if (old_state > NM_DEVICE_STATE_NEED_AUTH) {
/* Clean up any half-done IP operations if the device's layer2
* finds out it needs authentication during IP config.
*/
_cleanup_ip_pre (self, TRUE);
}
break;
default:
break;
}
/* Reset autoconnect flag when the device is activating or connected. */
if ( state >= NM_DEVICE_STATE_PREPARE
&& state <= NM_DEVICE_STATE_ACTIVATED)
nm_device_set_autoconnect (self, TRUE);
g_object_notify (G_OBJECT (self), NM_DEVICE_STATE);
g_object_notify (G_OBJECT (self), NM_DEVICE_STATE_REASON);
g_signal_emit_by_name (self, "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 (self)) {
_LOGD (LOGD_DEVICE, "device is available, will transition to DISCONNECTED");
nm_device_queue_state (self, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_NONE);
} else {
if (old_state == NM_DEVICE_STATE_UNMANAGED)
_LOGD (LOGD_DEVICE, "device not yet available for transition to DISCONNECTED");
else if ( old_state > NM_DEVICE_STATE_UNAVAILABLE
&& nm_device_get_default_unmanaged (self))
nm_device_queue_state (self, NM_DEVICE_STATE_UNMANAGED, NM_DEVICE_STATE_REASON_NONE);
}
break;
case NM_DEVICE_STATE_DEACTIVATING:
if (quitting) {
nm_dispatcher_call_sync (DISPATCHER_ACTION_PRE_DOWN,
nm_act_request_get_connection (req),
self);
} else {
priv->dispatcher.post_state = NM_DEVICE_STATE_DISCONNECTED;
priv->dispatcher.post_state_reason = reason;
if (!nm_dispatcher_call (DISPATCHER_ACTION_PRE_DOWN,
nm_act_request_get_connection (req),
self,
deactivate_dispatcher_complete,
self,
&priv->dispatcher.call_id)) {
/* Just proceed on errors */
deactivate_dispatcher_complete (0, self);
}
}
break;
case NM_DEVICE_STATE_DISCONNECTED:
if (priv->queued_act_request) {
NMActRequest *queued_req;
queued_req = priv->queued_act_request;
priv->queued_act_request = NULL;
_device_activate (self, queued_req);
g_object_unref (queued_req);
} else if ( old_state > NM_DEVICE_STATE_DISCONNECTED
&& nm_device_get_default_unmanaged (self))
nm_device_queue_state (self, NM_DEVICE_STATE_UNMANAGED, NM_DEVICE_STATE_REASON_NONE);
break;
case NM_DEVICE_STATE_ACTIVATED:
_LOGI (LOGD_DEVICE, "Activation: successful, device activated.");
nm_dispatcher_call (DISPATCHER_ACTION_UP, nm_act_request_get_connection (req), self, NULL, NULL, NULL);
break;
case NM_DEVICE_STATE_FAILED:
if (nm_device_uses_assumed_connection (self)) {
/* Avoid tearing down assumed connection, assume it's connected */
nm_device_queue_state (self,
NM_DEVICE_STATE_ACTIVATED,
NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED);
break;
}
connection = nm_device_get_connection (self);
_LOGW (LOGD_DEVICE | LOGD_WIFI,
"Activation: failed for connection '%s'",
connection ? nm_connection_get_id (connection) : "<unknown>");
/* Notify any slaves of the unexpected failure */
nm_device_master_release_slaves (self);
/* If the connection doesn't yet have a timestamp, set it to zero so that
* we can distinguish between connections we've tried to activate and have
* failed (zero timestamp), connections that succeeded (non-zero timestamp),
* and those we haven't tried yet (no timestamp).
*/
if (connection && !nm_settings_connection_get_timestamp (NM_SETTINGS_CONNECTION (connection), NULL)) {
nm_settings_connection_update_timestamp (NM_SETTINGS_CONNECTION (connection),
(guint64) 0,
TRUE);
}
/* 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 (self, NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_REASON_NONE);
break;
case NM_DEVICE_STATE_IP_CHECK:
nm_device_start_ip_check (self);
/* IP-related properties are only valid when the device has IP configuration;
* now that it does, ensure their change notifications are emitted.
*/
notify_ip_properties (self);
break;
case NM_DEVICE_STATE_SECONDARIES:
ip_check_gw_ping_cleanup (self);
_LOGD (LOGD_DEVICE, "device entered SECONDARIES state");
break;
default:
break;
}
if (state > NM_DEVICE_STATE_DISCONNECTED)
delete_on_deactivate_unschedule (self);
if ( (old_state == NM_DEVICE_STATE_ACTIVATED || old_state == NM_DEVICE_STATE_DEACTIVATING)
&& (state != NM_DEVICE_STATE_DEACTIVATING)) {
if (quitting)
nm_dispatcher_call_sync (DISPATCHER_ACTION_DOWN, nm_act_request_get_connection (req), self);
else
nm_dispatcher_call (DISPATCHER_ACTION_DOWN, nm_act_request_get_connection (req), self, NULL, NULL, NULL);
}
/* IP-related properties are only valid when the device has IP configuration.
* If it no longer does, ensure their change notifications are emitted.
*/
if (ip_config_valid (old_state) && !ip_config_valid (state))
notify_ip_properties (self);
/* Dispose of the cached activation request */
if (req)
g_object_unref (req);
priv->in_state_changed = FALSE;
}
void
nm_device_state_changed (NMDevice *self,
NMDeviceState state,
NMDeviceStateReason reason)
{
_set_state_full (self, state, reason, FALSE);
}
static gboolean
queued_set_state (gpointer user_data)
{
NMDevice *self = NM_DEVICE (user_data);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMDeviceState new_state;
NMDeviceStateReason new_reason;
if (priv->queued_state.id) {
_LOGD (LOGD_DEVICE, "running queued state change to %s (id %d)",
state_to_string (priv->queued_state.state),
priv->queued_state.id);
/* Clear queued state struct before triggering state change, since
* the state change may queue another state.
*/
priv->queued_state.id = 0;
new_state = priv->queued_state.state;
new_reason = priv->queued_state.reason;
nm_device_queued_state_clear (self);
nm_device_state_changed (self, new_state, new_reason);
nm_device_remove_pending_action (self, queued_state_to_string (new_state), TRUE);
} else {
g_warn_if_fail (priv->queued_state.state == NM_DEVICE_STATE_UNKNOWN);
g_warn_if_fail (priv->queued_state.reason == NM_DEVICE_STATE_REASON_NONE);
}
return FALSE;
}
void
nm_device_queue_state (NMDevice *self,
NMDeviceState state,
NMDeviceStateReason reason)
{
NMDevicePrivate *priv;
g_return_if_fail (NM_IS_DEVICE (self));
priv = NM_DEVICE_GET_PRIVATE (self);
if (priv->queued_state.id && priv->queued_state.state == state)
return;
/* Add pending action for the new state before clearing the queued states, so
* that we don't accidently pop all pending states and reach 'startup complete' */
nm_device_add_pending_action (self, queued_state_to_string (state), TRUE);
/* We should only ever have one delayed state transition at a time */
if (priv->queued_state.id) {
_LOGW (LOGD_DEVICE, "overwriting previously queued state change to %s (%s)",
state_to_string (priv->queued_state.state),
reason_to_string (priv->queued_state.reason));
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);
_LOGD (LOGD_DEVICE, "queued state change to %s due to %s (id %d)",
state_to_string (state), reason_to_string (reason),
priv->queued_state.id);
}
NMDeviceState
nm_device_queued_state_peek (NMDevice *self)
{
NMDevicePrivate *priv;
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) {
_LOGD (LOGD_DEVICE, "clearing queued state transition (id %d)",
priv->queued_state.id);
g_source_remove (priv->queued_state.id);
nm_device_remove_pending_action (self, queued_state_to_string (priv->queued_state.state), TRUE);
}
memset (&priv->queued_state, 0, sizeof (priv->queued_state));
}
NMDeviceState
nm_device_get_state (NMDevice *self)
{
g_return_val_if_fail (NM_IS_DEVICE (self), NM_DEVICE_STATE_UNKNOWN);
return NM_DEVICE_GET_PRIVATE (self)->state;
}
/***********************************************************/
/* NMConfigDevice interface related stuff */
const char *
nm_device_get_hw_address (NMDevice *self)
{
NMDevicePrivate *priv;
g_return_val_if_fail (NM_IS_DEVICE (self), NULL);
priv = NM_DEVICE_GET_PRIVATE (self);
return priv->hw_addr_len ? priv->hw_addr : NULL;
}
static void
nm_device_update_hw_address (NMDevice *self)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int ifindex = nm_device_get_ifindex (self);
const guint8 *hwaddr;
gsize hwaddrlen = 0;
if (ifindex <= 0)
return;
hwaddr = nm_platform_link_get_address (ifindex, &hwaddrlen);
if (hwaddrlen) {
if (!priv->hw_addr || !nm_utils_hwaddr_matches (priv->hw_addr, -1, hwaddr, hwaddrlen)) {
g_free (priv->hw_addr);
priv->hw_addr = nm_utils_hwaddr_ntoa (hwaddr, hwaddrlen);
_LOGD (LOGD_HW | LOGD_DEVICE, "hardware address now %s", priv->hw_addr);
g_object_notify (G_OBJECT (self), NM_DEVICE_HW_ADDRESS);
}
} else {
/* Invalid or no hardware address */
if (priv->hw_addr_len != 0) {
g_clear_pointer (&priv->hw_addr, g_free);
_LOGD (LOGD_HW | LOGD_DEVICE,
"previous hardware address is no longer valid");
g_object_notify (G_OBJECT (self), NM_DEVICE_HW_ADDRESS);
}
}
priv->hw_addr_len = hwaddrlen;
}
gboolean
nm_device_set_hw_addr (NMDevice *self, const char *addr,
const char *detail, guint64 hw_log_domain)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
gboolean success = FALSE;
const char *cur_addr = nm_device_get_hw_address (self);
guint8 addr_bytes[NM_UTILS_HWADDR_LEN_MAX];
g_return_val_if_fail (addr != NULL, FALSE);
/* Do nothing if current MAC is same */
if (cur_addr && nm_utils_hwaddr_matches (cur_addr, -1, addr, -1)) {
_LOGD (LOGD_DEVICE | hw_log_domain, "no MAC address change needed");
return TRUE;
}
if (!nm_utils_hwaddr_aton (addr, addr_bytes, priv->hw_addr_len)) {
_LOGW (LOGD_DEVICE | hw_log_domain, "invalid MAC address %s", addr);
return FALSE;
}
/* Can't change MAC address while device is up */
nm_device_take_down (self, FALSE);
success = nm_platform_link_set_address (nm_device_get_ip_ifindex (self), addr_bytes, priv->hw_addr_len);
if (success) {
/* MAC address succesfully changed; update the current MAC to match */
nm_device_update_hw_address (self);
cur_addr = nm_device_get_hw_address (self);
if (cur_addr && nm_utils_hwaddr_matches (cur_addr, -1, addr, -1)) {
_LOGI (LOGD_DEVICE | hw_log_domain, "%s MAC address to %s",
detail, addr);
} else {
_LOGW (LOGD_DEVICE | hw_log_domain,
"new MAC address %s not successfully set", addr);
success = FALSE;
}
} else {
_LOGW (LOGD_DEVICE | hw_log_domain, "failed to %s MAC address to %s",
detail, addr);
}
nm_device_bring_up (self, TRUE, NULL);
return success;
}
/**
* nm_device_spec_match_list:
* @self: an #NMDevice
* @specs: (element-type utf8): a list of device specs
*
* Checks if @self matches any of the specifications in @specs. The
* currently-supported spec types are:
*
* "mac:00:11:22:33:44:55" - matches a device with the given
* hardware address
*
* "interface-name:foo0" - matches a device with the given
* interface name
*
* "s390-subchannels:00.11.22" - matches a device with the given
* z/VM / s390 subchannels.
*
* "*" - matches any device
*
* Returns: #TRUE if @self matches one of the specs in @specs
*/
gboolean
nm_device_spec_match_list (NMDevice *self, const GSList *specs)
{
g_return_val_if_fail (NM_IS_DEVICE (self), FALSE);
if (!specs)
return FALSE;
return NM_DEVICE_GET_CLASS (self)->spec_match_list (self, specs) == NM_MATCH_SPEC_MATCH;
}
static NMMatchSpecMatchType
spec_match_list (NMDevice *self, const GSList *specs)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMMatchSpecMatchType matched = NM_MATCH_SPEC_NO_MATCH, m;
const GSList *iter;
for (iter = specs; iter; iter = g_slist_next (iter)) {
if (!strcmp ((const char *) iter->data, "*")) {
matched = NM_MATCH_SPEC_MATCH;
break;
}
}
if (priv->hw_addr_len) {
m = nm_match_spec_hwaddr (specs, priv->hw_addr);
matched = MAX (matched, m);
}
if (matched != NM_MATCH_SPEC_NEG_MATCH) {
m = nm_match_spec_interface_name (specs, nm_device_get_iface (self));
matched = MAX (matched, m);
}
return matched;
}
/***********************************************************/
#define DEFAULT_AUTOCONNECT TRUE
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_NM_SUPPORTED;
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->unmanaged_flags = NM_UNMANAGED_INTERNAL;
priv->available_connections = g_hash_table_new_full (g_direct_hash, g_direct_equal, g_object_unref, NULL);
priv->ip6_saved_properties = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_free);
priv->default_route.v4_is_assumed = TRUE;
priv->default_route.v6_is_assumed = TRUE;
}
/*
* 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 (NMDevice *self, 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) {
_LOGW (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) {
_LOGD (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 *self;
NMDevicePrivate *priv;
NMPlatform *platform;
static guint32 id = 0;
object = G_OBJECT_CLASS (nm_device_parent_class)->constructor (type,
n_construct_params,
construct_params);
if (!object)
return NULL;
self = NM_DEVICE (object);
priv = NM_DEVICE_GET_PRIVATE (self);
_LOGD (LOGD_DEVICE, "constructor(): %s, kernel ifindex %d", G_OBJECT_TYPE_NAME (self), priv->ifindex);
if (!priv->iface) {
_LOGE (LOGD_DEVICE, "No device interface provided, ignoring");
goto error;
}
if (!priv->udi) {
/* Use a placeholder UDI until we get a real one */
priv->udi = g_strdup_printf ("/virtual/device/placeholder/%d", id++);
}
if (NM_DEVICE_GET_CLASS (self)->get_generic_capabilities)
priv->capabilities |= NM_DEVICE_GET_CLASS (self)->get_generic_capabilities (self);
if (priv->ifindex <= 0 && !device_has_capability (self, NM_DEVICE_CAP_IS_NON_KERNEL))
_LOGW (LOGD_HW, "failed to look up interface index");
device_get_driver_info (self, priv->iface, &priv->driver_version, &priv->firmware_version);
/* Watch for external IP config changes */
platform = nm_platform_get ();
g_signal_connect (platform, NM_PLATFORM_SIGNAL_IP4_ADDRESS_CHANGED, G_CALLBACK (device_ip_changed), self);
g_signal_connect (platform, NM_PLATFORM_SIGNAL_IP6_ADDRESS_CHANGED, G_CALLBACK (device_ip_changed), self);
g_signal_connect (platform, NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, G_CALLBACK (device_ip_changed), self);
g_signal_connect (platform, NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, G_CALLBACK (device_ip_changed), self);
g_signal_connect (platform, NM_PLATFORM_SIGNAL_LINK_CHANGED, G_CALLBACK (link_changed_cb), self);
/* trigger initial ip config change to initialize ip-config */
priv->queued_ip_config_id = g_idle_add (queued_ip_config_change, self);
if (nm_platform_check_support_user_ipv6ll ()) {
int ip_ifindex = nm_device_get_ip_ifindex (self);
if (ip_ifindex > 0)
priv->nm_ipv6ll = nm_platform_link_get_user_ipv6ll_enabled (ip_ifindex);
}
return object;
error:
g_object_unref (self);
return NULL;
}
static void
constructed (GObject *object)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
int master;
nm_device_update_hw_address (self);
if (NM_DEVICE_GET_CLASS (self)->update_permanent_hw_address)
NM_DEVICE_GET_CLASS (self)->update_permanent_hw_address (self);
if (NM_DEVICE_GET_CLASS (self)->update_initial_hw_address)
NM_DEVICE_GET_CLASS (self)->update_initial_hw_address (self);
/* Have to call update_initial_hw_address() before calling get_ignore_carrier() */
if (device_has_capability (self, NM_DEVICE_CAP_CARRIER_DETECT)) {
priv->ignore_carrier = nm_config_get_ignore_carrier (nm_config_get (), self);
check_carrier (self);
_LOGI (LOGD_HW,
"carrier is %s%s",
priv->carrier ? "ON" : "OFF",
priv->ignore_carrier ? " (but ignored)" : "");
} else {
/* Fake online link when carrier detection is not available. */
priv->carrier = TRUE;
}
if (priv->ifindex > 0) {
priv->is_software = nm_platform_link_is_software (priv->ifindex);
priv->physical_port_id = nm_platform_link_get_physical_port_id (priv->ifindex);
priv->mtu = nm_platform_link_get_mtu (priv->ifindex);
}
/* Indicate software device in capabilities. */
if (priv->is_software)
priv->capabilities |= NM_DEVICE_CAP_IS_SOFTWARE;
/* Enslave ourselves */
master = nm_platform_link_get_master (priv->ifindex);
if (master)
device_set_master (self, master);
priv->con_provider = nm_connection_provider_get ();
g_assert (priv->con_provider);
g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_ADDED,
G_CALLBACK (cp_connection_added),
self);
g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_REMOVED,
G_CALLBACK (cp_connection_removed),
self);
g_signal_connect (priv->con_provider,
NM_CP_SIGNAL_CONNECTION_UPDATED,
G_CALLBACK (cp_connection_updated),
self);
/* Update default-unmanaged device available connections immediately,
* since they don't transition from UNMANAGED (and thus the state handler
* doesn't run and update them) until something external happens.
*/
if (nm_device_get_default_unmanaged (self)) {
nm_device_set_autoconnect (self, FALSE);
nm_device_recheck_available_connections (self);
}
G_OBJECT_CLASS (nm_device_parent_class)->constructed (object);
}
static void
dispose (GObject *object)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMPlatform *platform;
_LOGD (LOGD_DEVICE, "dispose(): %s", G_OBJECT_TYPE_NAME (self));
dispatcher_cleanup (self);
_cleanup_generic_pre (self, FALSE);
g_warn_if_fail (priv->slaves == NULL);
g_assert (priv->master_ready_id == 0);
/* Let the kernel manage IPv6LL again */
set_nm_ipv6ll (self, FALSE);
_cleanup_generic_post (self, FALSE);
g_hash_table_remove_all (priv->ip6_saved_properties);
if (priv->recheck_assume_id) {
g_source_remove (priv->recheck_assume_id);
priv->recheck_assume_id = 0;
}
link_disconnect_action_cancel (self);
if (priv->con_provider) {
g_signal_handlers_disconnect_by_func (priv->con_provider, cp_connection_added, self);
g_signal_handlers_disconnect_by_func (priv->con_provider, cp_connection_removed, self);
g_signal_handlers_disconnect_by_func (priv->con_provider, cp_connection_updated, self);
priv->con_provider = NULL;
}
g_hash_table_remove_all (priv->available_connections);
if (priv->carrier_wait_id) {
g_source_remove (priv->carrier_wait_id);
priv->carrier_wait_id = 0;
}
_clear_queued_act_request (priv);
platform = nm_platform_get ();
g_signal_handlers_disconnect_by_func (platform, G_CALLBACK (device_ip_changed), self);
g_signal_handlers_disconnect_by_func (platform, G_CALLBACK (link_changed_cb), self);
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);
_LOGD (LOGD_DEVICE, "finalize(): %s", G_OBJECT_TYPE_NAME (self));
g_free (priv->hw_addr);
g_slist_free_full (priv->pending_actions, g_free);
g_clear_pointer (&priv->physical_port_id, g_free);
g_free (priv->udi);
g_free (priv->path);
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);
g_free (priv->dhcp_anycast_address);
g_hash_table_unref (priv->ip6_saved_properties);
g_hash_table_unref (priv->available_connections);
G_OBJECT_CLASS (nm_device_parent_class)->finalize (object);
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMDevice *self = NM_DEVICE (object);
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (self);
NMPlatformLink *platform_device;
const char *hw_addr, *p;
guint count;
switch (prop_id) {
case PROP_PLATFORM_DEVICE:
platform_device = g_value_get_pointer (value);
if (platform_device) {
g_free (priv->udi);
priv->udi = g_strdup (platform_device->udi);
g_free (priv->iface);
priv->iface = g_strdup (platform_device->name);
priv->ifindex = platform_device->ifindex;
priv->up = platform_device->up;
g_free (priv->driver);
priv->driver = g_strdup (platform_device->driver);
}
break;
case PROP_UDI:
if (g_value_get_string (value)) {
g_free (priv->udi);
priv->udi = g_value_dup_string (value);
}
break;
case PROP_IFACE:
if (g_value_get_string (value)) {
g_free (priv->iface);
priv->iface = g_value_dup_string (value);
priv->ifindex = nm_platform_link_get_ifindex (priv->iface);
if (priv->ifindex > 0)
priv->up = nm_platform_link_is_up (priv->ifindex);
}
break;
case PROP_DRIVER:
if (g_value_get_string (value)) {
g_free (priv->driver);
priv->driver = g_value_dup_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_MTU:
priv->mtu = g_value_get_uint (value);
break;
case PROP_IP4_ADDRESS:
priv->ip4_address = g_value_get_uint (value);
break;
case PROP_AUTOCONNECT:
nm_device_set_autoconnect (self, 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;
case PROP_IS_MASTER:
priv->is_master = g_value_get_boolean (value);
break;
case PROP_HW_ADDRESS:
/* construct only */
p = hw_addr = g_value_get_string (value);
/* Hardware address length is the number of ':' plus 1 */
count = 1;
while (p && *p) {
if (*p++ == ':')
count++;
}
if (count < ETH_ALEN || count > NM_UTILS_HWADDR_LEN_MAX) {
if (hw_addr && *hw_addr) {
_LOGW (LOGD_DEVICE, "ignoring hardware address '%s' with unexpected length %d",
hw_addr, count);
}
break;
}
priv->hw_addr_len = count;
g_free (priv->hw_addr);
if (nm_utils_hwaddr_valid (hw_addr, priv->hw_addr_len))
priv->hw_addr = g_strdup (hw_addr);
else {
_LOGW (LOGD_DEVICE, "could not parse hw-address '%s'", hw_addr);
priv->hw_addr = NULL;
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
#define DBUS_TYPE_STATE_REASON_STRUCT (dbus_g_type_get_struct ("GValueArray", G_TYPE_UINT, G_TYPE_UINT, G_TYPE_INVALID))
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);
const char *ac_path = NULL;
GPtrArray *array;
GHashTableIter iter;
NMConnection *connection;
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 (ip_config_valid (priv->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 & ~NM_DEVICE_CAP_INTERNAL_MASK));
break;
case PROP_IP4_ADDRESS:
g_value_set_uint (value, priv->ip4_address);
break;
case PROP_CARRIER:
g_value_set_boolean (value, priv->carrier);
break;
case PROP_MTU:
g_value_set_uint (value, priv->mtu);
break;
case PROP_IP4_CONFIG:
if (ip_config_valid (priv->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 (ip_config_valid (priv->state) && priv->dhcp4_config)
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 (ip_config_valid (priv->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 (ip_config_valid (priv->state) && priv->dhcp6_config)
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_take_boxed (value, dbus_g_type_specialized_construct (DBUS_TYPE_STATE_REASON_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, nm_device_get_managed (self));
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;
case PROP_PHYSICAL_PORT_ID:
g_value_set_string (value, priv->physical_port_id);
break;
case PROP_IS_MASTER:
g_value_set_boolean (value, priv->is_master);
break;
case PROP_MASTER:
g_value_set_object (value, priv->master);
break;
case PROP_HW_ADDRESS:
g_value_set_string (value, priv->hw_addr);
break;
case PROP_HAS_PENDING_ACTION:
g_value_set_boolean (value, nm_device_has_pending_action (self));
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->link_changed = link_changed;
klass->is_available = is_available;
klass->act_stage1_prepare = act_stage1_prepare;
klass->act_stage2_config = act_stage2_config;
klass->act_stage3_ip4_config_start = act_stage3_ip4_config_start;
klass->act_stage3_ip6_config_start = act_stage3_ip6_config_start;
klass->act_stage4_ip4_config_timeout = act_stage4_ip4_config_timeout;
klass->act_stage4_ip6_config_timeout = act_stage4_ip6_config_timeout;
klass->have_any_ready_slaves = have_any_ready_slaves;
klass->spec_match_list = spec_match_list;
klass->can_auto_connect = can_auto_connect;
klass->check_connection_compatible = check_connection_compatible;
klass->check_connection_available = check_connection_available;
klass->is_up = is_up;
klass->bring_up = bring_up;
klass->take_down = take_down;
klass->carrier_changed = carrier_changed;
klass->get_ip_iface_identifier = get_ip_iface_identifier;
/* Properties */
g_object_class_install_property
(object_class, PROP_PLATFORM_DEVICE,
g_param_spec_pointer (NM_DEVICE_PLATFORM_DEVICE, "", "",
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_UDI,
g_param_spec_string (NM_DEVICE_UDI, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IFACE,
g_param_spec_string (NM_DEVICE_IFACE, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP_IFACE,
g_param_spec_string (NM_DEVICE_IP_IFACE, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DRIVER,
g_param_spec_string (NM_DEVICE_DRIVER, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DRIVER_VERSION,
g_param_spec_string (NM_DEVICE_DRIVER_VERSION, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_FIRMWARE_VERSION,
g_param_spec_string (NM_DEVICE_FIRMWARE_VERSION, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_CAPABILITIES,
g_param_spec_uint (NM_DEVICE_CAPABILITIES, "", "",
0, G_MAXUINT32, NM_DEVICE_CAP_NONE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_CARRIER,
g_param_spec_boolean (NM_DEVICE_CARRIER, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_MTU,
g_param_spec_uint (NM_DEVICE_MTU, "", "",
0, G_MAXUINT32, 1500,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP4_ADDRESS,
g_param_spec_uint (NM_DEVICE_IP4_ADDRESS, "", "",
0, G_MAXUINT32, 0, /* FIXME */
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP4_CONFIG,
g_param_spec_boxed (NM_DEVICE_IP4_CONFIG, "", "",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DHCP4_CONFIG,
g_param_spec_boxed (NM_DEVICE_DHCP4_CONFIG, "", "",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP6_CONFIG,
g_param_spec_boxed (NM_DEVICE_IP6_CONFIG, "", "",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DHCP6_CONFIG,
g_param_spec_boxed (NM_DEVICE_DHCP6_CONFIG, "", "",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_STATE,
g_param_spec_uint (NM_DEVICE_STATE, "", "",
0, G_MAXUINT32, NM_DEVICE_STATE_UNKNOWN,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_STATE_REASON,
g_param_spec_boxed (NM_DEVICE_STATE_REASON, "", "",
DBUS_TYPE_STATE_REASON_STRUCT,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_ACTIVE_CONNECTION,
g_param_spec_boxed (NM_DEVICE_ACTIVE_CONNECTION, "", "",
DBUS_TYPE_G_OBJECT_PATH,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DEVICE_TYPE,
g_param_spec_uint (NM_DEVICE_DEVICE_TYPE, "", "",
0, G_MAXUINT32, NM_DEVICE_TYPE_UNKNOWN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_MANAGED,
g_param_spec_boolean (NM_DEVICE_MANAGED, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_AUTOCONNECT,
g_param_spec_boolean (NM_DEVICE_AUTOCONNECT, "", "",
DEFAULT_AUTOCONNECT,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_FIRMWARE_MISSING,
g_param_spec_boolean (NM_DEVICE_FIRMWARE_MISSING, "", "",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_TYPE_DESC,
g_param_spec_string (NM_DEVICE_TYPE_DESC, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_RFKILL_TYPE,
g_param_spec_uint (NM_DEVICE_RFKILL_TYPE, "", "",
RFKILL_TYPE_WLAN,
RFKILL_TYPE_MAX,
RFKILL_TYPE_UNKNOWN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IFINDEX,
g_param_spec_int (NM_DEVICE_IFINDEX, "", "",
0, G_MAXINT, 0,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_AVAILABLE_CONNECTIONS,
g_param_spec_boxed (NM_DEVICE_AVAILABLE_CONNECTIONS, "", "",
DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_PHYSICAL_PORT_ID,
g_param_spec_string (NM_DEVICE_PHYSICAL_PORT_ID, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IS_MASTER,
g_param_spec_boolean (NM_DEVICE_IS_MASTER, "", "",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_MASTER,
g_param_spec_object (NM_DEVICE_MASTER, "", "",
NM_TYPE_DEVICE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_HW_ADDRESS,
g_param_spec_string (NM_DEVICE_HW_ADDRESS, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_HAS_PENDING_ACTION,
g_param_spec_boolean (NM_DEVICE_HAS_PENDING_ACTION, "", "",
FALSE,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/* Signals */
signals[STATE_CHANGED] =
g_signal_new ("state-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (NMDeviceClass, state_changed),
NULL, NULL, NULL,
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, NULL,
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, NULL,
/* dbus-glib context, connection, permission, allow_interaction, callback, user_data */
G_TYPE_NONE, 6, G_TYPE_POINTER, 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, NULL,
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, NULL,
G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_OBJECT);
signals[REMOVED] =
g_signal_new (NM_DEVICE_REMOVED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[RECHECK_AUTO_ACTIVATE] =
g_signal_new (NM_DEVICE_RECHECK_AUTO_ACTIVATE,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
signals[RECHECK_ASSUME] =
g_signal_new (NM_DEVICE_RECHECK_ASSUME,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
G_TYPE_FROM_CLASS (klass),
&dbus_glib_nm_device_object_info);
dbus_g_error_domain_register (NM_DEVICE_ERROR, NULL, NM_TYPE_DEVICE_ERROR);
}
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