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NetworkManager/src/nm-active-connection.c
Dan Williams f2256af5bc core: allow multiple devices with the same interface name 
But, of course, only one realized device can have the same
interface name at a time.

This commit effectively reverts most of:

1b37cd0340
core: allow ActiveConnections to be created without a device

But it's not easy to do a separate revert of that code due to
interdependencies with nm-manager.c.

Creating devices when they are defined by a connection also makes
makes it possible to require the NMDevice to be present when
activating it, which means we can remove a bunch of code from
NMManager that had to handle software devices not existing yet at
the time of the activation request.

But it also means we must be more careful when finding master
interfaces during slave activation, since we cannot simply match
by interface name alone.  Instead we must find the master which
matches both the interface name and can control slaves of the type
which is being activated.
2015-12-04 12:16:41 +01:00

1181 lines
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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) 2008 - 2014 Red Hat, Inc.
*/
#include "config.h"
#include "nm-default.h"
#include "nm-active-connection.h"
#include "nm-dbus-interface.h"
#include "nm-device.h"
#include "nm-settings-connection.h"
#include "nm-simple-connection.h"
#include "nm-auth-utils.h"
#include "nm-auth-subject.h"
#include "NetworkManagerUtils.h"
#include "nm-core-internal.h"
#include "nmdbus-active-connection.h"
/* Base class for anything implementing the Connection.Active D-Bus interface */
G_DEFINE_ABSTRACT_TYPE (NMActiveConnection, nm_active_connection, NM_TYPE_EXPORTED_OBJECT)
#define NM_ACTIVE_CONNECTION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \
NM_TYPE_ACTIVE_CONNECTION, \
NMActiveConnectionPrivate))
typedef struct {
NMSettingsConnection *settings_connection;
NMConnection *applied_connection;
char *specific_object;
NMDevice *device;
char *pending_activation_id;
gboolean is_default;
gboolean is_default6;
NMActiveConnectionState state;
gboolean state_set;
gboolean vpn;
NMAuthSubject *subject;
NMActiveConnection *master;
gboolean master_ready;
gboolean assumed;
NMAuthChain *chain;
const char *wifi_shared_permission;
NMActiveConnectionAuthResultFunc result_func;
gpointer user_data1;
gpointer user_data2;
} NMActiveConnectionPrivate;
enum {
PROP_0,
PROP_CONNECTION,
PROP_ID,
PROP_UUID,
PROP_TYPE,
PROP_SPECIFIC_OBJECT,
PROP_DEVICES,
PROP_STATE,
PROP_DEFAULT,
PROP_IP4_CONFIG,
PROP_DHCP4_CONFIG,
PROP_DEFAULT6,
PROP_IP6_CONFIG,
PROP_DHCP6_CONFIG,
PROP_VPN,
PROP_MASTER,
PROP_INT_SETTINGS_CONNECTION,
PROP_INT_DEVICE,
PROP_INT_SUBJECT,
PROP_INT_MASTER,
PROP_INT_MASTER_READY,
LAST_PROP
};
enum {
DEVICE_CHANGED,
DEVICE_METERED_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void check_master_ready (NMActiveConnection *self);
static void _device_cleanup (NMActiveConnection *self);
/****************************************************************/
#define _NMLOG_DOMAIN LOGD_DEVICE
#define _NMLOG_PREFIX_NAME "active-connection"
#define _NMLOG(level, ...) \
G_STMT_START { \
const NMLogLevel __level = (level); \
\
if (nm_logging_enabled (__level, _NMLOG_DOMAIN)) { \
char __prefix[128]; \
const char *__p_prefix = _NMLOG_PREFIX_NAME; \
const void *const __self = (self); \
\
if (__self) { \
g_snprintf (__prefix, sizeof (__prefix), "%s[%p]", _NMLOG_PREFIX_NAME, __self); \
__p_prefix = __prefix; \
} \
_nm_log (__level, _NMLOG_DOMAIN, 0, \
"%s: " _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \
__p_prefix _NM_UTILS_MACRO_REST (__VA_ARGS__)); \
} \
} G_STMT_END
/****************************************************************/
static const char *
state_to_string (NMActiveConnectionState state)
{
switch (state) {
case NM_ACTIVE_CONNECTION_STATE_UNKNOWN:
return "unknown";
case NM_ACTIVE_CONNECTION_STATE_ACTIVATING:
return "activating";
case NM_ACTIVE_CONNECTION_STATE_ACTIVATED:
return "activated";
case NM_ACTIVE_CONNECTION_STATE_DEACTIVATING:
return "deactivating";
case NM_ACTIVE_CONNECTION_STATE_DEACTIVATED:
return "deactivated";
}
return "(none)";
}
NMActiveConnectionState
nm_active_connection_get_state (NMActiveConnection *self)
{
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->state;
}
void
nm_active_connection_set_state (NMActiveConnection *self,
NMActiveConnectionState new_state)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
NMActiveConnectionState old_state;
if (priv->state == new_state)
return;
/* DEACTIVATED is a terminal state */
if (priv->state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED)
g_return_if_fail (new_state != NM_ACTIVE_CONNECTION_STATE_DEACTIVATED);
old_state = priv->state;
priv->state = new_state;
priv->state_set = TRUE;
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_STATE);
check_master_ready (self);
if ( new_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED
|| old_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED) {
nm_settings_connection_update_timestamp (priv->settings_connection,
(guint64) time (NULL), TRUE);
}
if (priv->device) {
if ( old_state < NM_ACTIVE_CONNECTION_STATE_ACTIVATED
&& new_state >= NM_ACTIVE_CONNECTION_STATE_ACTIVATED &&
priv->pending_activation_id)
{
nm_device_remove_pending_action (priv->device, priv->pending_activation_id, TRUE);
g_clear_pointer (&priv->pending_activation_id, g_free);
}
}
if ( new_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED
|| old_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED) {
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_IP4_CONFIG);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DHCP4_CONFIG);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_IP6_CONFIG);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DHCP6_CONFIG);
}
if (priv->state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATED) {
/* Device is no longer relevant when deactivated. So remove it and
* emit property change notification so clients re-read the value,
* which will be NULL due to conditions in get_property().
*/
_device_cleanup (self);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DEVICES);
}
}
const char *
nm_active_connection_get_settings_connection_id (NMActiveConnection *self)
{
NMSettingsConnection *con;
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
con = NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->settings_connection;
return con
? nm_connection_get_id (NM_CONNECTION (con))
: NULL;
}
NMSettingsConnection *
_nm_active_connection_get_settings_connection (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->settings_connection;
}
NMSettingsConnection *
nm_active_connection_get_settings_connection (NMActiveConnection *self)
{
NMSettingsConnection *con;
con = _nm_active_connection_get_settings_connection (self);
/* Only call this function on an active-connection that is already
* fully set-up (i.e. that has a settings-connection). Other uses
* indicate a bug. */
g_return_val_if_fail (con, NULL);
return con;
}
NMConnection *
nm_active_connection_get_applied_connection (NMActiveConnection *self)
{
NMConnection *con;
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
con = NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->applied_connection;
/* Only call this function on an active-connection that is already
* fully set-up (i.e. that has a settings-connection). Other uses
* indicate a bug. */
g_return_val_if_fail (con, NULL);
return con;
}
void
nm_active_connection_set_settings_connection (NMActiveConnection *self,
NMSettingsConnection *connection)
{
NMActiveConnectionPrivate *priv;
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
g_return_if_fail (NM_IS_SETTINGS_CONNECTION (connection));
g_return_if_fail (!priv->settings_connection);
g_return_if_fail (!priv->applied_connection);
/* Can't change connection after the ActiveConnection is exported over D-Bus.
*
* Later, we want to change the settings-connection of an activated connection.
* When doing that, this changes the assumption that the settings-connection
* never changes (once it's set). That has effects for NMVpnConnection and
* NMActivationRequest.
* For example, we'd have to cancel all pending seret requests. */
g_return_if_fail (!nm_exported_object_is_exported (NM_EXPORTED_OBJECT (self)));
priv->settings_connection = g_object_ref (connection);
priv->applied_connection = nm_simple_connection_new_clone (NM_CONNECTION (priv->settings_connection));
nm_connection_clear_secrets (priv->applied_connection);
}
gboolean
nm_active_connection_has_unmodified_applied_connection (NMActiveConnection *self, NMSettingCompareFlags compare_flags)
{
NMActiveConnectionPrivate *priv;
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
g_return_val_if_fail (priv->settings_connection, FALSE);
return nm_settings_connection_has_unmodified_applied_connection (priv->settings_connection,
priv->applied_connection,
compare_flags);
}
/*******************************************************************/
void
nm_active_connection_clear_secrets (NMActiveConnection *self)
{
NMActiveConnectionPrivate *priv;
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
if (nm_settings_connection_has_unmodified_applied_connection (priv->settings_connection,
priv->applied_connection,
NM_SETTING_COMPARE_FLAG_NONE))
nm_connection_clear_secrets ((NMConnection *) priv->settings_connection);
nm_connection_clear_secrets (priv->applied_connection);
}
/*******************************************************************/
const char *
nm_active_connection_get_specific_object (NMActiveConnection *self)
{
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->specific_object;
}
void
nm_active_connection_set_specific_object (NMActiveConnection *self,
const char *specific_object)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
/* Nothing that calls this function should be using paths from D-Bus,
* where NM uses "/" to mean NULL.
*/
g_assert (g_strcmp0 (specific_object, "/") != 0);
if (g_strcmp0 (priv->specific_object, specific_object) == 0)
return;
g_free (priv->specific_object);
priv->specific_object = g_strdup (specific_object);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT);
}
void
nm_active_connection_set_default (NMActiveConnection *self, gboolean is_default)
{
NMActiveConnectionPrivate *priv;
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
is_default = !!is_default;
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
if (priv->is_default == is_default)
return;
priv->is_default = is_default;
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DEFAULT);
}
gboolean
nm_active_connection_get_default (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->is_default;
}
void
nm_active_connection_set_default6 (NMActiveConnection *self, gboolean is_default6)
{
NMActiveConnectionPrivate *priv;
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
is_default6 = !!is_default6;
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
if (priv->is_default6 == is_default6)
return;
priv->is_default6 = is_default6;
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DEFAULT6);
}
gboolean
nm_active_connection_get_default6 (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->is_default6;
}
NMAuthSubject *
nm_active_connection_get_subject (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->subject;
}
gboolean
nm_active_connection_get_user_requested (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
return nm_auth_subject_is_unix_process (NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->subject);
}
NMDevice *
nm_active_connection_get_device (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->device;
}
static void
device_state_changed (NMDevice *device,
NMDeviceState new_state,
NMDeviceState old_state,
NMDeviceStateReason reason,
gpointer user_data)
{
NMActiveConnection *self = NM_ACTIVE_CONNECTION (user_data);
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
/* When already deactivated or before activation, device state changes are useless */
if (priv->state >= NM_ACTIVE_CONNECTION_STATE_DEACTIVATED)
return;
if (old_state < NM_DEVICE_STATE_DISCONNECTED)
return;
/* Let subclasses handle the state change */
if (NM_ACTIVE_CONNECTION_GET_CLASS (self)->device_state_changed)
NM_ACTIVE_CONNECTION_GET_CLASS (self)->device_state_changed (self, device, new_state, old_state);
}
static void
device_master_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
NMDevice *device = NM_DEVICE (object);
NMActiveConnection *self = NM_ACTIVE_CONNECTION (user_data);
NMActiveConnection *master;
NMActiveConnectionState master_state;
if (NM_ACTIVE_CONNECTION (nm_device_get_act_request (device)) != self)
return;
if (!nm_device_get_master (device))
return;
if (!nm_active_connection_get_master (self))
return;
g_signal_handlers_disconnect_by_func (device, G_CALLBACK (device_master_changed), self);
master = nm_active_connection_get_master (self);
master_state = nm_active_connection_get_state (master);
if (master_state >= NM_ACTIVE_CONNECTION_STATE_DEACTIVATING) {
/* Master failed before attaching the slave */
if (NM_ACTIVE_CONNECTION_GET_CLASS (self)->master_failed)
NM_ACTIVE_CONNECTION_GET_CLASS (self)->master_failed (self);
}
}
static void
device_metered_changed (GObject *object,
GParamSpec *pspec,
gpointer user_data)
{
NMActiveConnection *self = (NMActiveConnection *) user_data;
NMDevice *device = NM_DEVICE (object);
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
g_signal_emit (self, signals[DEVICE_METERED_CHANGED], 0, nm_device_get_metered (device));
}
gboolean
nm_active_connection_set_device (NMActiveConnection *self, NMDevice *device)
{
NMActiveConnectionPrivate *priv;
gs_unref_object NMDevice *old_device = NULL;
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
g_return_val_if_fail (!device || NM_IS_DEVICE (device), FALSE);
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
if (device == priv->device)
return TRUE;
old_device = priv->device ? g_object_ref (priv->device) : NULL;
_device_cleanup (self);
if (device) {
/* Device obviously can't be its own master */
g_return_val_if_fail (!priv->master || device != nm_active_connection_get_device (priv->master), FALSE);
priv->device = g_object_ref (device);
g_signal_connect (device, "state-changed",
G_CALLBACK (device_state_changed), self);
g_signal_connect (device, "notify::master",
G_CALLBACK (device_master_changed), self);
g_signal_connect (device, "notify::" NM_DEVICE_METERED,
G_CALLBACK (device_metered_changed), self);
if (!priv->assumed) {
priv->pending_activation_id = g_strdup_printf ("activation::%p", (void *)self);
nm_device_add_pending_action (device, priv->pending_activation_id, TRUE);
}
} else {
/* The ActiveConnection's device can only be cleared after the
* connection is activated.
*/
g_warn_if_fail (priv->state > NM_ACTIVE_CONNECTION_STATE_UNKNOWN);
priv->device = NULL;
}
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_INT_DEVICE);
g_signal_emit (self, signals[DEVICE_CHANGED], 0, priv->device, old_device);
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_DEVICES);
return TRUE;
}
NMActiveConnection *
nm_active_connection_get_master (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), NULL);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->master;
}
/**
* nm_active_connection_get_master_ready:
* @self: the #NMActiveConnection
*
* Returns: %TRUE if the connection has a master connection, and that
* master connection is ready to accept slaves. Otherwise %FALSE.
*/
gboolean
nm_active_connection_get_master_ready (NMActiveConnection *self)
{
g_return_val_if_fail (NM_IS_ACTIVE_CONNECTION (self), FALSE);
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->master_ready;
}
static void
check_master_ready (NMActiveConnection *self)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
NMActiveConnectionState master_state = NM_ACTIVE_CONNECTION_STATE_UNKNOWN;
if (priv->state != NM_ACTIVE_CONNECTION_STATE_ACTIVATING) {
_LOGD ("not signalling master-ready (not activating)");
return;
}
if (!priv->master) {
_LOGD ("not signalling master-ready (no master)");
return;
}
if (priv->master_ready) {
_LOGD ("not signalling master-ready (already signaled)");
return;
}
/* ActiveConnetions don't enter the ACTIVATING state until they have a
* NMDevice in PREPARE or higher states, so the master active connection's
* device will be ready to accept slaves when the master is in ACTIVATING
* or higher states.
*/
master_state = nm_active_connection_get_state (priv->master);
_LOGD ("master ActiveConnection [%p] state now '%s' (%d)",
priv->master, state_to_string (master_state), master_state);
if ( master_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATING
|| master_state == NM_ACTIVE_CONNECTION_STATE_ACTIVATED) {
_LOGD ("signalling master-ready");
priv->master_ready = TRUE;
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_INT_MASTER_READY);
/* Also notify clients to recheck the exported 'master' property to
* ensure that if the master connection was created without a device
* that we notify clients when the master device is known.
*/
g_object_notify (G_OBJECT (self), NM_ACTIVE_CONNECTION_MASTER);
}
}
static void
master_state_cb (NMActiveConnection *master,
GParamSpec *pspec,
gpointer user_data)
{
NMActiveConnection *self = NM_ACTIVE_CONNECTION (user_data);
NMActiveConnectionState master_state = nm_active_connection_get_state (master);
NMDevice *master_device = nm_active_connection_get_device (master);
check_master_ready (self);
_LOGD ("master ActiveConnection [%p] state now '%s' (%d)",
master, state_to_string (master_state), master_state);
if ( master_state == NM_ACTIVE_CONNECTION_STATE_DEACTIVATING
&& (!master_device || !nm_device_is_real (master_device))) {
/* Master failed without ever creating or realizing its device */
if (NM_ACTIVE_CONNECTION_GET_CLASS (self)->master_failed)
NM_ACTIVE_CONNECTION_GET_CLASS (self)->master_failed (self);
}
}
/**
* nm_active_connection_set_master:
* @self: the #NMActiveConnection
* @master: if the activation depends on another device (ie, bond or bridge
* master to which this device will be enslaved) pass the #NMActiveConnection
* that this activation request is a child of
*
* Sets the master active connection of @self.
*/
void
nm_active_connection_set_master (NMActiveConnection *self, NMActiveConnection *master)
{
NMActiveConnectionPrivate *priv;
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (self));
g_return_if_fail (NM_IS_ACTIVE_CONNECTION (master));
priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
/* Master is write-once, and must be set before exporting the object */
g_return_if_fail (priv->master == NULL);
g_return_if_fail (!nm_exported_object_is_exported (NM_EXPORTED_OBJECT (self)));
if (priv->device) {
/* Note, the master ActiveConnection may not yet have a device */
g_return_if_fail (priv->device != nm_active_connection_get_device (master));
}
_LOGD ("master ActiveConnection is [%p] %s",
master, nm_active_connection_get_settings_connection_id (master));
priv->master = g_object_ref (master);
g_signal_connect (priv->master,
"notify::" NM_ACTIVE_CONNECTION_STATE,
(GCallback) master_state_cb,
self);
check_master_ready (self);
}
void
nm_active_connection_set_assumed (NMActiveConnection *self, gboolean assumed)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
g_return_if_fail (priv->assumed == FALSE);
priv->assumed = assumed;
if (priv->pending_activation_id) {
nm_device_remove_pending_action (priv->device, priv->pending_activation_id, TRUE);
g_clear_pointer (&priv->pending_activation_id, g_free);
}
}
gboolean
nm_active_connection_get_assumed (NMActiveConnection *self)
{
return NM_ACTIVE_CONNECTION_GET_PRIVATE (self)->assumed;
}
/****************************************************************/
static void
auth_done (NMAuthChain *chain,
GError *error,
GDBusMethodInvocation *unused,
gpointer user_data)
{
NMActiveConnection *self = NM_ACTIVE_CONNECTION (user_data);
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
NMAuthCallResult result;
g_assert (priv->chain == chain);
g_assert (priv->result_func != NULL);
/* Must stay alive over the callback */
g_object_ref (self);
if (error) {
priv->result_func (self, FALSE, error->message, priv->user_data1, priv->user_data2);
goto done;
}
/* Caller has had a chance to obtain authorization, so we only need to
* check for 'yes' here.
*/
result = nm_auth_chain_get_result (chain, NM_AUTH_PERMISSION_NETWORK_CONTROL);
if (result != NM_AUTH_CALL_RESULT_YES) {
priv->result_func (self,
FALSE,
"Not authorized to control networking.",
priv->user_data1,
priv->user_data2);
goto done;
}
if (priv->wifi_shared_permission) {
result = nm_auth_chain_get_result (chain, priv->wifi_shared_permission);
if (result != NM_AUTH_CALL_RESULT_YES) {
priv->result_func (self,
FALSE,
"Not authorized to share connections via wifi.",
priv->user_data1,
priv->user_data2);
goto done;
}
}
/* Otherwise authorized and available to activate */
priv->result_func (self, TRUE, NULL, priv->user_data1, priv->user_data2);
done:
nm_auth_chain_unref (chain);
priv->chain = NULL;
priv->result_func = NULL;
priv->user_data1 = NULL;
priv->user_data2 = NULL;
g_object_unref (self);
}
/**
* nm_active_connection_authorize:
* @self: the #NMActiveConnection
* @initial_connection: (allow-none): for add-and-activate, there
* is no @settings_connection available when creating the active connection.
* Instead pass an alternative connection.
* @result_func: function to be called on success or error
* @user_data1: pointer passed to @result_func
* @user_data2: additional pointer passed to @result_func
*
* Checks whether the subject that initiated the active connection (read from
* the #NMActiveConnection::subject property) is authorized to complete this
* activation request.
*/
void
nm_active_connection_authorize (NMActiveConnection *self,
NMConnection *initial_connection,
NMActiveConnectionAuthResultFunc result_func,
gpointer user_data1,
gpointer user_data2)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
const char *wifi_permission = NULL;
NMConnection *con;
g_return_if_fail (result_func != NULL);
g_return_if_fail (priv->chain == NULL);
if (initial_connection) {
g_return_if_fail (NM_IS_CONNECTION (initial_connection));
g_return_if_fail (!priv->settings_connection);
g_return_if_fail (!priv->applied_connection);
con = initial_connection;
} else {
g_return_if_fail (NM_IS_SETTINGS_CONNECTION (priv->settings_connection));
g_return_if_fail (NM_IS_CONNECTION (priv->applied_connection));
con = priv->applied_connection;
}
priv->chain = nm_auth_chain_new_subject (priv->subject, NULL, auth_done, self);
g_assert (priv->chain);
/* Check that the subject is allowed to use networking at all */
nm_auth_chain_add_call (priv->chain, NM_AUTH_PERMISSION_NETWORK_CONTROL, TRUE);
/* Shared wifi connections require special permissions too */
wifi_permission = nm_utils_get_shared_wifi_permission (con);
if (wifi_permission) {
priv->wifi_shared_permission = wifi_permission;
nm_auth_chain_add_call (priv->chain, wifi_permission, TRUE);
}
/* Wait for authorization */
priv->result_func = result_func;
priv->user_data1 = user_data1;
priv->user_data2 = user_data2;
}
/****************************************************************/
static void
nm_active_connection_init (NMActiveConnection *self)
{
}
static void
constructed (GObject *object)
{
NMActiveConnection *self = (NMActiveConnection *) object;
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
G_OBJECT_CLASS (nm_active_connection_parent_class)->constructed (object);
_LOGD ("constructed (%s)", G_OBJECT_TYPE_NAME (self));
g_return_if_fail (priv->subject);
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
const char *tmp;
NMSettingsConnection *con;
switch (prop_id) {
case PROP_INT_SETTINGS_CONNECTION:
/* construct-only */
con = g_value_get_object (value);
if (con) {
priv->settings_connection = g_object_ref (con);
priv->applied_connection = nm_simple_connection_new_clone (NM_CONNECTION (con));
nm_connection_clear_secrets (priv->applied_connection);
}
break;
case PROP_INT_DEVICE:
/* construct-only */
nm_active_connection_set_device (NM_ACTIVE_CONNECTION (object), g_value_get_object (value));
break;
case PROP_INT_SUBJECT:
priv->subject = g_value_dup_object (value);
break;
case PROP_INT_MASTER:
nm_active_connection_set_master (NM_ACTIVE_CONNECTION (object), g_value_get_object (value));
break;
case PROP_SPECIFIC_OBJECT:
tmp = g_value_get_string (value);
/* NM uses "/" to mean NULL */
if (g_strcmp0 (tmp, "/") != 0)
priv->specific_object = g_strdup (tmp);
break;
case PROP_DEFAULT:
priv->is_default = !!g_value_get_boolean (value);
break;
case PROP_DEFAULT6:
priv->is_default6 = !!g_value_get_boolean (value);
break;
case PROP_VPN:
priv->vpn = g_value_get_boolean (value);
break;
case PROP_MASTER:
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (object);
GPtrArray *devices;
NMDevice *master_device = NULL;
switch (prop_id) {
case PROP_CONNECTION:
g_value_set_string (value, nm_connection_get_path (NM_CONNECTION (priv->settings_connection)));
break;
case PROP_ID:
g_value_set_string (value, nm_connection_get_id (NM_CONNECTION (priv->settings_connection)));
break;
case PROP_UUID:
g_value_set_string (value, nm_connection_get_uuid (NM_CONNECTION (priv->settings_connection)));
break;
case PROP_TYPE:
g_value_set_string (value, nm_connection_get_connection_type (NM_CONNECTION (priv->settings_connection)));
break;
case PROP_SPECIFIC_OBJECT:
g_value_set_string (value, priv->specific_object ? priv->specific_object : "/");
break;
case PROP_DEVICES:
devices = g_ptr_array_sized_new (2);
if (priv->device && priv->state < NM_ACTIVE_CONNECTION_STATE_DEACTIVATED)
g_ptr_array_add (devices, g_strdup (nm_exported_object_get_path (NM_EXPORTED_OBJECT (priv->device))));
g_ptr_array_add (devices, NULL);
g_value_take_boxed (value, (char **) g_ptr_array_free (devices, FALSE));
break;
case PROP_STATE:
if (priv->state_set)
g_value_set_uint (value, priv->state);
else {
/* When the AC has just been created, its externally-visible state should
* be "ACTIVATING", even though internally it is "UNKNOWN".
*/
g_value_set_uint (value, NM_ACTIVE_CONNECTION_STATE_ACTIVATING);
}
break;
case PROP_DEFAULT:
g_value_set_boolean (value, priv->is_default);
break;
case PROP_IP4_CONFIG:
/* The IP and DHCP config properties may be overridden by a subclass */
g_value_set_string (value, "/");
break;
case PROP_DHCP4_CONFIG:
g_value_set_string (value, "/");
break;
case PROP_DEFAULT6:
g_value_set_boolean (value, priv->is_default6);
break;
case PROP_IP6_CONFIG:
g_value_set_string (value, "/");
break;
case PROP_DHCP6_CONFIG:
g_value_set_string (value, "/");
break;
case PROP_VPN:
g_value_set_boolean (value, priv->vpn);
break;
case PROP_MASTER:
if (priv->master)
master_device = nm_active_connection_get_device (priv->master);
nm_utils_g_value_set_object_path (value, master_device);
break;
case PROP_INT_SUBJECT:
g_value_set_object (value, priv->subject);
break;
case PROP_INT_MASTER_READY:
g_value_set_boolean (value, priv->master_ready);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
_device_cleanup (NMActiveConnection *self)
{
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
if (priv->device) {
g_signal_handlers_disconnect_by_func (priv->device, G_CALLBACK (device_state_changed), self);
g_signal_handlers_disconnect_by_func (priv->device, G_CALLBACK (device_master_changed), self);
g_signal_handlers_disconnect_by_func (priv->device, G_CALLBACK (device_metered_changed), self);
}
if (priv->pending_activation_id) {
nm_device_remove_pending_action (priv->device, priv->pending_activation_id, TRUE);
g_clear_pointer (&priv->pending_activation_id, g_free);
}
g_clear_object (&priv->device);
}
static void
dispose (GObject *object)
{
NMActiveConnection *self = NM_ACTIVE_CONNECTION (object);
NMActiveConnectionPrivate *priv = NM_ACTIVE_CONNECTION_GET_PRIVATE (self);
_LOGD ("disposing");
if (priv->chain) {
nm_auth_chain_unref (priv->chain);
priv->chain = NULL;
}
g_free (priv->specific_object);
priv->specific_object = NULL;
g_clear_object (&priv->settings_connection);
g_clear_object (&priv->applied_connection);
_device_cleanup (self);
if (priv->master) {
g_signal_handlers_disconnect_by_func (priv->master,
(GCallback) master_state_cb,
self);
}
g_clear_object (&priv->master);
g_clear_object (&priv->subject);
G_OBJECT_CLASS (nm_active_connection_parent_class)->dispose (object);
}
static void
nm_active_connection_class_init (NMActiveConnectionClass *ac_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (ac_class);
NMExportedObjectClass *exported_object_class = NM_EXPORTED_OBJECT_CLASS (ac_class);
g_type_class_add_private (ac_class, sizeof (NMActiveConnectionPrivate));
exported_object_class->export_path = NM_DBUS_PATH "/ActiveConnection/%u";
/* virtual methods */
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->constructed = constructed;
object_class->dispose = dispose;
/* D-Bus exported properties */
g_object_class_install_property
(object_class, PROP_CONNECTION,
g_param_spec_string (NM_ACTIVE_CONNECTION_CONNECTION, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_ID,
g_param_spec_string (NM_ACTIVE_CONNECTION_ID, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_UUID,
g_param_spec_string (NM_ACTIVE_CONNECTION_UUID, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_TYPE,
g_param_spec_string (NM_ACTIVE_CONNECTION_TYPE, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_SPECIFIC_OBJECT,
g_param_spec_string (NM_ACTIVE_CONNECTION_SPECIFIC_OBJECT, "", "",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DEVICES,
g_param_spec_boxed (NM_ACTIVE_CONNECTION_DEVICES, "", "",
G_TYPE_STRV,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_STATE,
g_param_spec_uint (NM_ACTIVE_CONNECTION_STATE, "", "",
NM_ACTIVE_CONNECTION_STATE_UNKNOWN,
NM_ACTIVE_CONNECTION_STATE_DEACTIVATING,
NM_ACTIVE_CONNECTION_STATE_UNKNOWN,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DEFAULT,
g_param_spec_boolean (NM_ACTIVE_CONNECTION_DEFAULT, "", "",
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP4_CONFIG,
g_param_spec_string (NM_ACTIVE_CONNECTION_IP4_CONFIG, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DHCP4_CONFIG,
g_param_spec_string (NM_ACTIVE_CONNECTION_DHCP4_CONFIG, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DEFAULT6,
g_param_spec_boolean (NM_ACTIVE_CONNECTION_DEFAULT6, "", "",
FALSE,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_IP6_CONFIG,
g_param_spec_string (NM_ACTIVE_CONNECTION_IP6_CONFIG, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_DHCP6_CONFIG,
g_param_spec_string (NM_ACTIVE_CONNECTION_DHCP6_CONFIG, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_VPN,
g_param_spec_boolean (NM_ACTIVE_CONNECTION_VPN, "", "",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_MASTER,
g_param_spec_string (NM_ACTIVE_CONNECTION_MASTER, "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/* Internal properties */
g_object_class_install_property
(object_class, PROP_INT_SETTINGS_CONNECTION,
g_param_spec_object (NM_ACTIVE_CONNECTION_INT_SETTINGS_CONNECTION, "", "",
NM_TYPE_SETTINGS_CONNECTION,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_INT_DEVICE,
g_param_spec_object (NM_ACTIVE_CONNECTION_INT_DEVICE, "", "",
NM_TYPE_DEVICE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_INT_SUBJECT,
g_param_spec_object (NM_ACTIVE_CONNECTION_INT_SUBJECT, "", "",
NM_TYPE_AUTH_SUBJECT,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_INT_MASTER,
g_param_spec_object (NM_ACTIVE_CONNECTION_INT_MASTER, "", "",
NM_TYPE_ACTIVE_CONNECTION,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
g_object_class_install_property
(object_class, PROP_INT_MASTER_READY,
g_param_spec_boolean (NM_ACTIVE_CONNECTION_INT_MASTER_READY, "", "",
FALSE, G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
signals[DEVICE_CHANGED] =
g_signal_new (NM_ACTIVE_CONNECTION_DEVICE_CHANGED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (NMActiveConnectionClass, device_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 2, NM_TYPE_DEVICE, NM_TYPE_DEVICE);
signals[DEVICE_METERED_CHANGED] =
g_signal_new (NM_ACTIVE_CONNECTION_DEVICE_METERED_CHANGED,
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (NMActiveConnectionClass, device_metered_changed),
NULL, NULL, NULL,
G_TYPE_NONE, 1, G_TYPE_UINT);
nm_exported_object_class_add_interface (NM_EXPORTED_OBJECT_CLASS (ac_class),
NMDBUS_TYPE_ACTIVE_CONNECTION_SKELETON,
NULL);
}
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