1f5b48a59e
This speeds up the initial object tree load significantly. Also, it reduces the object management complexity by shifting the duties to GDBusObjectManager. The lifetime of all NMObjects is now managed by the NMClient via the object manager. The NMClient creates the NMObjects for GDBus objects, triggers the initialization and serves as an object registry (replaces the nm-cache). The ObjectManager uses the o.fd.DBus.ObjectManager API to learn of the object creation, removal and property changes. It takes care of the property changes so that we don't have to and lets us always see a consistent object state. Thus at the time we learn of a new object we already know its properties. The NMObject unfortunately can't be made synchronously initializable as the NMRemoteConnection's settings are not managed with standard o.fd.DBus Properties and ObjectManager APIs and thus are not known to the ObjectManager. Thus most of the asynchronous object property changing code in nm-object.c is preserved. The objects notify the properties that reference them of their initialization in from their init_finish() methods, thus the asynchronously created objects are not allowed to fail creation (or the dependees would wait forever). Not a problem -- if a connection can't get its Settings, it's either invisible or being removed (presumably we'd learn of the removal from the object manager soon). The NMObjects can't be created by the object manager itself, since we can't determine the resulting object type in proxy_type() yet (we can't tell from the name and can't access the interface list). Therefore the GDBusObject is coupled with a NMObject later on. Lastly, now that all the objects are managed by the object manager, the NMRemoteSettings and NMManager go away when the daemon is stopped. The complexity of dealing with calls to NMClient that would require any of the resources that these objects manage (connection or device lists, etc.) had to be moved to NMClient. The bright side is that his allows for removal all of the daemon presence tracking from NMObject.
640 lines
18 KiB
C
640 lines
18 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright 2007 - 2008 Novell, Inc.
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* Copyright 2007 - 2011 Red Hat, Inc.
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*/
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#include "nm-default.h"
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#include "nm-access-point.h"
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#include <string.h>
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#include "nm-connection.h"
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#include "nm-setting-connection.h"
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#include "nm-setting-wireless.h"
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#include "nm-setting-wireless-security.h"
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#include "nm-utils.h"
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#include "nm-dbus-interface.h"
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#include "nm-object-private.h"
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G_DEFINE_TYPE (NMAccessPoint, nm_access_point, NM_TYPE_OBJECT)
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#define NM_ACCESS_POINT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_ACCESS_POINT, NMAccessPointPrivate))
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typedef struct {
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NM80211ApFlags flags;
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NM80211ApSecurityFlags wpa_flags;
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NM80211ApSecurityFlags rsn_flags;
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GBytes *ssid;
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guint32 frequency;
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char *bssid;
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NM80211Mode mode;
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guint32 max_bitrate;
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guint8 strength;
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gint last_seen;
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} NMAccessPointPrivate;
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enum {
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PROP_0,
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PROP_FLAGS,
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PROP_WPA_FLAGS,
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PROP_RSN_FLAGS,
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PROP_SSID,
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PROP_FREQUENCY,
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PROP_HW_ADDRESS,
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PROP_MODE,
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PROP_MAX_BITRATE,
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PROP_STRENGTH,
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PROP_BSSID,
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PROP_LAST_SEEN,
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LAST_PROP
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};
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/**
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* nm_access_point_get_flags:
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* @ap: a #NMAccessPoint
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*
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* Gets the flags of the access point.
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*
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* Returns: the flags
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**/
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NM80211ApFlags
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nm_access_point_get_flags (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), NM_802_11_AP_FLAGS_NONE);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->flags;
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}
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/**
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* nm_access_point_get_wpa_flags:
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* @ap: a #NMAccessPoint
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*
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* Gets the WPA (version 1) flags of the access point.
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*
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* Returns: the WPA flags
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**/
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NM80211ApSecurityFlags
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nm_access_point_get_wpa_flags (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), NM_802_11_AP_SEC_NONE);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->wpa_flags;
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}
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/**
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* nm_access_point_get_rsn_flags:
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* @ap: a #NMAccessPoint
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*
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* Gets the RSN (Robust Secure Network, ie WPA version 2) flags of the access
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* point.
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*
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* Returns: the RSN flags
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**/
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NM80211ApSecurityFlags
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nm_access_point_get_rsn_flags (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), NM_802_11_AP_SEC_NONE);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->rsn_flags;
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}
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/**
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* nm_access_point_get_ssid:
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* @ap: a #NMAccessPoint
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*
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* Gets the SSID of the access point.
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*
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* Returns: (transfer none): the #GBytes containing the SSID, or %NULL if the
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* SSID is unknown.
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**/
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GBytes *
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nm_access_point_get_ssid (NMAccessPoint *ap)
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{
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NMAccessPointPrivate *priv;
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), NULL);
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priv = NM_ACCESS_POINT_GET_PRIVATE (ap);
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if (!priv->ssid || g_bytes_get_size (priv->ssid) == 0)
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return NULL;
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return priv->ssid;
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}
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/**
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* nm_access_point_get_frequency:
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* @ap: a #NMAccessPoint
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*
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* Gets the frequency of the access point.
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*
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* Returns: the frequency
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**/
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guint32
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nm_access_point_get_frequency (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), 0);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->frequency;
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}
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/**
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* nm_access_point_get_bssid:
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* @ap: a #NMAccessPoint
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*
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* Gets the Basic Service Set ID (BSSID) of the Wi-Fi access point.
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*
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* Returns: the BSSID of the access point. This is an internal string and must
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* not be modified or freed.
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**/
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const char *
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nm_access_point_get_bssid (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), NULL);
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return nm_str_not_empty (NM_ACCESS_POINT_GET_PRIVATE (ap)->bssid);
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}
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/**
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* nm_access_point_get_mode:
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* @ap: a #NMAccessPoint
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*
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* Gets the mode of the access point.
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*
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* Returns: the mode
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**/
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NM80211Mode
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nm_access_point_get_mode (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), 0);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->mode;
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}
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/**
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* nm_access_point_get_max_bitrate:
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* @ap: a #NMAccessPoint
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*
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* Gets the maximum bit rate of the access point in kbit/s.
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*
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* Returns: the maximum bit rate (kbit/s)
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**/
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guint32
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nm_access_point_get_max_bitrate (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), 0);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->max_bitrate;
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}
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/**
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* nm_access_point_get_strength:
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* @ap: a #NMAccessPoint
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*
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* Gets the current signal strength of the access point.
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*
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* Returns: the signal strength
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**/
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guint8
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nm_access_point_get_strength (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), 0);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->strength;
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}
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/**
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* nm_access_point_get_last_seen:
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* @ap: a #NMAccessPoint
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*
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* Returns the timestamp (in CLOCK_BOOTTIME seconds) for the last time the
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* access point was found in scan results. A value of -1 means the access
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* point has not been found in a scan.
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*
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* Returns: the last seen time in seconds
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*
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* Since: 1.2
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**/
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gint
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nm_access_point_get_last_seen (NMAccessPoint *ap)
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{
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g_return_val_if_fail (NM_IS_ACCESS_POINT (ap), -1);
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return NM_ACCESS_POINT_GET_PRIVATE (ap)->last_seen;
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}
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NM_BACKPORT_SYMBOL (libnm_1_0_6, gint, nm_access_point_get_last_seen, (NMAccessPoint *ap), (ap));
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/**
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* nm_access_point_connection_valid:
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* @ap: an #NMAccessPoint to validate @connection against
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* @connection: an #NMConnection to validate against @ap
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*
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* Validates a given connection against a given Wi-Fi access point to ensure that
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* the connection may be activated with that AP. The connection must match the
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* @ap's SSID, (if given) BSSID, and other attributes like security settings,
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* channel, band, etc.
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*
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* Returns: %TRUE if the connection may be activated with this Wi-Fi AP,
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* %FALSE if it cannot be.
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**/
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gboolean
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nm_access_point_connection_valid (NMAccessPoint *ap, NMConnection *connection)
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{
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NMSettingConnection *s_con;
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NMSettingWireless *s_wifi;
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NMSettingWirelessSecurity *s_wsec;
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const char *ctype, *ap_bssid;
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GBytes *setting_ssid;
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GBytes *ap_ssid;
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const char *setting_bssid;
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const char *setting_mode;
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NM80211Mode ap_mode;
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const char *setting_band;
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guint32 ap_freq, setting_chan, ap_chan;
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s_con = nm_connection_get_setting_connection (connection);
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g_assert (s_con);
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ctype = nm_setting_connection_get_connection_type (s_con);
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if (strcmp (ctype, NM_SETTING_WIRELESS_SETTING_NAME) != 0)
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return FALSE;
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s_wifi = nm_connection_get_setting_wireless (connection);
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if (!s_wifi)
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return FALSE;
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/* SSID checks */
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ap_ssid = nm_access_point_get_ssid (ap);
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g_warn_if_fail (ap_ssid != NULL);
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setting_ssid = nm_setting_wireless_get_ssid (s_wifi);
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if (!setting_ssid || !ap_ssid)
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return FALSE;
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if (!g_bytes_equal (ap_ssid, setting_ssid))
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return FALSE;
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/* BSSID checks */
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ap_bssid = nm_access_point_get_bssid (ap);
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g_warn_if_fail (ap_bssid);
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setting_bssid = nm_setting_wireless_get_bssid (s_wifi);
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if (setting_bssid && ap_bssid) {
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if (!nm_utils_hwaddr_matches (ap_bssid, -1, setting_bssid, -1))
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return FALSE;
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}
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/* Mode */
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ap_mode = nm_access_point_get_mode (ap);
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g_warn_if_fail (ap_mode != NM_802_11_MODE_UNKNOWN);
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setting_mode = nm_setting_wireless_get_mode (s_wifi);
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if (setting_mode && ap_mode) {
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if (!strcmp (setting_mode, "infrastructure") && (ap_mode != NM_802_11_MODE_INFRA))
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return FALSE;
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if (!strcmp (setting_mode, "adhoc") && (ap_mode != NM_802_11_MODE_ADHOC))
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return FALSE;
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/* Hotspot never matches against APs as it's a device-specific mode. */
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if (!strcmp (setting_mode, "ap"))
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return FALSE;
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}
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/* Band and Channel/Frequency */
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ap_freq = nm_access_point_get_frequency (ap);
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if (ap_freq) {
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setting_band = nm_setting_wireless_get_band (s_wifi);
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if (g_strcmp0 (setting_band, "a") == 0) {
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if (ap_freq < 4915 || ap_freq > 5825)
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return FALSE;
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} else if (g_strcmp0 (setting_band, "bg") == 0) {
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if (ap_freq < 2412 || ap_freq > 2484)
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return FALSE;
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}
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setting_chan = nm_setting_wireless_get_channel (s_wifi);
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if (setting_chan) {
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ap_chan = nm_utils_wifi_freq_to_channel (ap_freq);
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if (setting_chan != ap_chan)
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return FALSE;
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}
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}
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s_wsec = nm_connection_get_setting_wireless_security (connection);
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if (!nm_setting_wireless_ap_security_compatible (s_wifi,
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s_wsec,
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nm_access_point_get_flags (ap),
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nm_access_point_get_wpa_flags (ap),
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nm_access_point_get_rsn_flags (ap),
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ap_mode))
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return FALSE;
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return TRUE;
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}
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/**
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* nm_access_point_filter_connections:
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* @ap: an #NMAccessPoint to filter connections for
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* @connections: (element-type NMConnection): an array of #NMConnections to
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* filter
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*
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* Filters a given array of connections for a given #NMAccessPoint object and
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* returns connections which may be activated with the access point. Any
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* returned connections will match the @ap's SSID and (if given) BSSID and
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* other attributes like security settings, channel, etc.
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*
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* To obtain the list of connections that are compatible with this access point,
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* use nm_client_get_connections() and then filter the returned list for a given
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* #NMDevice using nm_device_filter_connections() and finally filter that list
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* with this function.
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*
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* Returns: (transfer container) (element-type NMConnection): an array of
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* #NMConnections that could be activated with the given @ap. The array should
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* be freed with g_ptr_array_unref() when it is no longer required.
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**/
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GPtrArray *
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nm_access_point_filter_connections (NMAccessPoint *ap, const GPtrArray *connections)
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{
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GPtrArray *filtered;
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int i;
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filtered = g_ptr_array_new_with_free_func (g_object_unref);
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for (i = 0; i < connections->len; i++) {
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NMConnection *candidate = connections->pdata[i];
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if (nm_access_point_connection_valid (ap, candidate))
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g_ptr_array_add (filtered, g_object_ref (candidate));
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}
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return filtered;
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}
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/*****************************************************************************/
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static void
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nm_access_point_init (NMAccessPoint *ap)
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{
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NM_ACCESS_POINT_GET_PRIVATE (ap)->last_seen = -1;
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}
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static void
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finalize (GObject *object)
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{
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NMAccessPointPrivate *priv = NM_ACCESS_POINT_GET_PRIVATE (object);
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if (priv->ssid)
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g_bytes_unref (priv->ssid);
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g_free (priv->bssid);
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G_OBJECT_CLASS (nm_access_point_parent_class)->finalize (object);
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}
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static void
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get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NMAccessPoint *ap = NM_ACCESS_POINT (object);
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switch (prop_id) {
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case PROP_FLAGS:
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g_value_set_flags (value, nm_access_point_get_flags (ap));
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break;
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case PROP_WPA_FLAGS:
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g_value_set_flags (value, nm_access_point_get_wpa_flags (ap));
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break;
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case PROP_RSN_FLAGS:
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g_value_set_flags (value, nm_access_point_get_rsn_flags (ap));
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break;
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case PROP_SSID:
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g_value_set_boxed (value, nm_access_point_get_ssid (ap));
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break;
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case PROP_FREQUENCY:
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g_value_set_uint (value, nm_access_point_get_frequency (ap));
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break;
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case PROP_HW_ADDRESS:
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g_value_set_string (value, nm_access_point_get_bssid (ap));
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break;
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case PROP_BSSID:
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g_value_set_string (value, nm_access_point_get_bssid (ap));
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break;
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case PROP_MODE:
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g_value_set_enum (value, nm_access_point_get_mode (ap));
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break;
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case PROP_MAX_BITRATE:
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g_value_set_uint (value, nm_access_point_get_max_bitrate (ap));
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break;
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case PROP_STRENGTH:
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g_value_set_uchar (value, nm_access_point_get_strength (ap));
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break;
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case PROP_LAST_SEEN:
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g_value_set_int (value, nm_access_point_get_last_seen (ap));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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init_dbus (NMObject *object)
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{
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NMAccessPointPrivate *priv = NM_ACCESS_POINT_GET_PRIVATE (object);
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const NMPropertiesInfo property_info[] = {
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{ NM_ACCESS_POINT_FLAGS, &priv->flags },
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{ NM_ACCESS_POINT_WPA_FLAGS, &priv->wpa_flags },
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{ NM_ACCESS_POINT_RSN_FLAGS, &priv->rsn_flags },
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{ NM_ACCESS_POINT_SSID, &priv->ssid },
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{ NM_ACCESS_POINT_FREQUENCY, &priv->frequency },
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/* The D-Bus property is HwAddress, but the GObject property is "bssid" */
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{ NM_ACCESS_POINT_HW_ADDRESS, &priv->bssid },
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{ NM_ACCESS_POINT_MODE, &priv->mode },
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{ NM_ACCESS_POINT_MAX_BITRATE, &priv->max_bitrate },
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{ NM_ACCESS_POINT_STRENGTH, &priv->strength },
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{ NM_ACCESS_POINT_LAST_SEEN, &priv->last_seen },
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{ NULL },
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};
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NM_OBJECT_CLASS (nm_access_point_parent_class)->init_dbus (object);
|
|
|
|
_nm_object_register_properties (object,
|
|
NM_DBUS_INTERFACE_ACCESS_POINT,
|
|
property_info);
|
|
}
|
|
|
|
|
|
static void
|
|
nm_access_point_class_init (NMAccessPointClass *ap_class)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (ap_class);
|
|
NMObjectClass *nm_object_class = NM_OBJECT_CLASS (ap_class);
|
|
|
|
g_type_class_add_private (ap_class, sizeof (NMAccessPointPrivate));
|
|
|
|
/* virtual methods */
|
|
object_class->get_property = get_property;
|
|
object_class->finalize = finalize;
|
|
|
|
nm_object_class->init_dbus = init_dbus;
|
|
|
|
/* properties */
|
|
|
|
/**
|
|
* NMAccessPoint:flags:
|
|
*
|
|
* The flags of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_FLAGS,
|
|
g_param_spec_flags (NM_ACCESS_POINT_FLAGS, "", "",
|
|
NM_TYPE_802_11_AP_FLAGS,
|
|
NM_802_11_AP_FLAGS_NONE,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:wpa-flags:
|
|
*
|
|
* The WPA flags of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_WPA_FLAGS,
|
|
g_param_spec_flags (NM_ACCESS_POINT_WPA_FLAGS, "", "",
|
|
NM_TYPE_802_11_AP_SECURITY_FLAGS,
|
|
NM_802_11_AP_SEC_NONE,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:rsn-flags:
|
|
*
|
|
* The RSN flags of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_RSN_FLAGS,
|
|
g_param_spec_flags (NM_ACCESS_POINT_RSN_FLAGS, "", "",
|
|
NM_TYPE_802_11_AP_SECURITY_FLAGS,
|
|
NM_802_11_AP_SEC_NONE,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:ssid:
|
|
*
|
|
* The SSID of the access point, or %NULL if it is not known.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_SSID,
|
|
g_param_spec_boxed (NM_ACCESS_POINT_SSID, "", "",
|
|
G_TYPE_BYTES,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:frequency:
|
|
*
|
|
* The frequency of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_FREQUENCY,
|
|
g_param_spec_uint (NM_ACCESS_POINT_FREQUENCY, "", "",
|
|
0, 10000, 0,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:bssid:
|
|
*
|
|
* The BSSID of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_BSSID,
|
|
g_param_spec_string (NM_ACCESS_POINT_BSSID, "", "",
|
|
NULL,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:hw-address:
|
|
*
|
|
* Alias for #NMAccessPoint:bssid.
|
|
*
|
|
* Deprecated: 1.0: use #NMAccessPoint:bssid.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_HW_ADDRESS,
|
|
g_param_spec_string (NM_ACCESS_POINT_HW_ADDRESS, "", "",
|
|
NULL,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:mode:
|
|
*
|
|
* The mode of the access point; either "infrastructure" (a central
|
|
* coordinator of the wireless network allowing clients to connect) or
|
|
* "ad-hoc" (a network with no central controller).
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_MODE,
|
|
g_param_spec_enum (NM_ACCESS_POINT_MODE, "", "",
|
|
NM_TYPE_802_11_MODE,
|
|
NM_802_11_MODE_INFRA,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:max-bitrate:
|
|
*
|
|
* The maximum bit rate of the access point in kbit/s.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_MAX_BITRATE,
|
|
g_param_spec_uint (NM_ACCESS_POINT_MAX_BITRATE, "", "",
|
|
0, G_MAXUINT32, 0,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:strength:
|
|
*
|
|
* The current signal strength of the access point.
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_STRENGTH,
|
|
g_param_spec_uchar (NM_ACCESS_POINT_STRENGTH, "", "",
|
|
0, G_MAXUINT8, 0,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
|
|
/**
|
|
* NMAccessPoint:last-seen:
|
|
*
|
|
* The timestamp (in CLOCK_BOOTTIME seconds) for the last time the
|
|
* access point was found in scan results. A value of -1 means the
|
|
* access point has not been found in a scan.
|
|
*
|
|
* Since: 1.2
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_LAST_SEEN,
|
|
g_param_spec_int (NM_ACCESS_POINT_LAST_SEEN, "", "",
|
|
-1, G_MAXINT, -1,
|
|
G_PARAM_READABLE |
|
|
G_PARAM_STATIC_STRINGS));
|
|
}
|