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ConnectivityManagerImpl.cpp
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/*
*
* Copyright (c) 2020-2022 Project CHIP Authors
* Copyright (c) 2019 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/CommissionableDataProvider.h>
#include <platform/ConnectivityManager.h>
#include <platform/DeviceControlServer.h>
#include <platform/DeviceInstanceInfoProvider.h>
#include <platform/DiagnosticDataProvider.h>
#include <platform/Linux/ConnectivityUtils.h>
#include <platform/Linux/DiagnosticDataProviderImpl.h>
#include <platform/Linux/NetworkCommissioningDriver.h>
#include <platform/Linux/WirelessDefs.h>
#include <platform/internal/BLEManager.h>
#include <algorithm>
#include <cstdlib>
#include <new>
#include <string>
#include <utility>
#include <vector>
#include <ifaddrs.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <lib/support/BytesToHex.h>
#include <lib/support/CHIPMemString.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/internal/GenericConnectivityManagerImpl_UDP.ipp>
#if INET_CONFIG_ENABLE_TCP_ENDPOINT
#include <platform/internal/GenericConnectivityManagerImpl_TCP.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
#include <platform/internal/GenericConnectivityManagerImpl_BLE.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
#include <platform/internal/GenericConnectivityManagerImpl_Thread.ipp>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
#include <credentials/CHIPCert.h>
#include <platform/GLibTypeDeleter.h>
#include <platform/internal/GenericConnectivityManagerImpl_WiFi.ipp>
#if CHIP_DEVICE_CONFIG_ENABLE_WIFIPAF
#include <transport/raw/WiFiPAF.h>
#endif
#endif
using namespace ::chip;
using namespace ::chip::Credentials;
using namespace ::chip::DeviceLayer;
using namespace ::chip::DeviceLayer::Internal;
using namespace ::chip::app::Clusters::GeneralDiagnostics;
using namespace ::chip::app::Clusters::WiFiNetworkDiagnostics;
using namespace ::chip::DeviceLayer::NetworkCommissioning;
namespace chip {
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
template <>
struct GAutoPtrDeleter<WpaSupplicant1BSS>
{
using deleter = GObjectDeleter;
};
template <>
struct GAutoPtrDeleter<WpaSupplicant1Network>
{
using deleter = GObjectDeleter;
};
#endif // CHIP_DEVICE_CONFIG_ENABLE_WPA
namespace DeviceLayer {
ConnectivityManagerImpl ConnectivityManagerImpl::sInstance;
CHIP_ERROR ConnectivityManagerImpl::_Init()
{
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
mWiFiStationMode = kWiFiStationMode_Disabled;
mWiFiStationReconnectInterval = System::Clock::Milliseconds32(CHIP_DEVICE_CONFIG_WIFI_STATION_RECONNECT_INTERVAL);
#endif
mpConnectCallback = nullptr;
mpScanCallback = nullptr;
if (ConnectivityUtils::GetEthInterfaceName(mEthIfName, IFNAMSIZ) == CHIP_NO_ERROR)
{
ChipLogProgress(DeviceLayer, "Got Ethernet interface: %s", mEthIfName);
}
else
{
ChipLogError(DeviceLayer, "Failed to get Ethernet interface");
mEthIfName[0] = '\0';
}
if (GetDiagnosticDataProvider().ResetEthNetworkDiagnosticsCounts() != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Failed to reset Ethernet statistic counts");
}
// Initialize the generic base classes that require it.
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
GenericConnectivityManagerImpl_Thread<ConnectivityManagerImpl>::_Init();
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
if (ConnectivityUtils::GetWiFiInterfaceName(sWiFiIfName, IFNAMSIZ) == CHIP_NO_ERROR)
{
ChipLogProgress(DeviceLayer, "Got WiFi interface: %s", sWiFiIfName);
}
else
{
ChipLogError(DeviceLayer, "Failed to get WiFi interface");
sWiFiIfName[0] = '\0';
}
if (GetDiagnosticDataProvider().ResetWiFiNetworkDiagnosticsCounts() != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Failed to reset WiFi statistic counts");
}
#endif
return CHIP_NO_ERROR;
}
void ConnectivityManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event)
{
// Forward the event to the generic base classes as needed.
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
GenericConnectivityManagerImpl_Thread<ConnectivityManagerImpl>::_OnPlatformEvent(event);
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WIFIPAF
switch (event->Type)
{
case DeviceEventType::kCHIPoWiFiPAFWriteReceived:
ChipLogProgress(DeviceLayer, "WiFi-PAF: event: kCHIPoWiFiPAFWriteReceived");
_GetWiFiPAF()->OnWiFiPAFMessageReceived(System::PacketBufferHandle::Adopt(event->CHIPoWiFiPAFWriteReceived.Data));
break;
case DeviceEventType::kCHIPoWiFiPAFConnected:
ChipLogProgress(DeviceLayer, "WiFi-PAF: event: kCHIPoWiFiPAFConnected");
if (mOnPafSubscribeComplete != nullptr)
{
mOnPafSubscribeComplete(mAppState);
}
break;
}
#endif // CHIP_DEVICE_CONFIG_ENABLE_WIFIPAF
}
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
ConnectivityManager::WiFiStationMode ConnectivityManagerImpl::_GetWiFiStationMode()
{
if (mWiFiStationMode != kWiFiStationMode_ApplicationControlled)
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
mWiFiStationMode = (mWpaSupplicant.iface != nullptr) ? kWiFiStationMode_Enabled : kWiFiStationMode_Disabled;
}
return mWiFiStationMode;
}
CHIP_ERROR ConnectivityManagerImpl::_SetWiFiStationMode(ConnectivityManager::WiFiStationMode val)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(val != ConnectivityManager::kWiFiStationMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT);
if (mWiFiStationMode != val)
{
ChipLogProgress(DeviceLayer, "WiFi station mode change: %s -> %s", WiFiStationModeToStr(mWiFiStationMode),
WiFiStationModeToStr(val));
}
mWiFiStationMode = val;
exit:
return err;
}
System::Clock::Timeout ConnectivityManagerImpl::_GetWiFiStationReconnectInterval()
{
return mWiFiStationReconnectInterval;
}
CHIP_ERROR ConnectivityManagerImpl::_SetWiFiStationReconnectInterval(System::Clock::Timeout val)
{
mWiFiStationReconnectInterval = val;
return CHIP_NO_ERROR;
}
bool ConnectivityManagerImpl::_IsWiFiStationEnabled()
{
return GetWiFiStationMode() == kWiFiStationMode_Enabled;
}
bool ConnectivityManagerImpl::_IsWiFiStationConnected()
{
bool ret = false;
const gchar * state = nullptr;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (mWpaSupplicant.state != GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: _IsWiFiStationConnected: interface not connected");
return false;
}
state = wpa_supplicant_1_interface_get_state(mWpaSupplicant.iface);
if (g_strcmp0(state, "completed") == 0)
{
mConnectivityFlag.Set(ConnectivityFlags::kHaveIPv4InternetConnectivity)
.Set(ConnectivityFlags::kHaveIPv6InternetConnectivity);
ret = true;
}
return ret;
}
bool ConnectivityManagerImpl::_IsWiFiStationApplicationControlled()
{
return mWiFiStationMode == ConnectivityManager::kWiFiStationMode_ApplicationControlled;
}
bool ConnectivityManagerImpl::_IsWiFiStationProvisioned()
{
bool ret = false;
const gchar * bss = nullptr;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (mWpaSupplicant.state != GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: _IsWiFiStationProvisioned: interface not connected");
return false;
}
bss = wpa_supplicant_1_interface_get_current_bss(mWpaSupplicant.iface);
if (g_str_match_string("BSSs", bss, true))
{
ret = true;
}
return ret;
}
void ConnectivityManagerImpl::_ClearWiFiStationProvision()
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (mWpaSupplicant.state != GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: _ClearWiFiStationProvision: interface not connected");
return;
}
if (mWiFiStationMode != kWiFiStationMode_ApplicationControlled)
{
GAutoPtr<GError> err;
wpa_supplicant_1_interface_call_remove_all_networks_sync(mWpaSupplicant.iface, nullptr, &err.GetReceiver());
if (err != nullptr)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: failed to remove all networks with error: %s",
err ? err->message : "unknown error");
}
}
}
bool ConnectivityManagerImpl::_CanStartWiFiScan()
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
bool ret = mWpaSupplicant.state == GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED &&
mWpaSupplicant.scanState == GDBusWpaSupplicant::WpaScanningState::IDLE;
return ret;
}
CHIP_ERROR ConnectivityManagerImpl::_SetWiFiAPMode(WiFiAPMode val)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(val != kWiFiAPMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT);
if (mWiFiAPMode != val)
{
ChipLogProgress(DeviceLayer, "WiFi AP mode change: %s -> %s", WiFiAPModeToStr(mWiFiAPMode), WiFiAPModeToStr(val));
mWiFiAPMode = val;
DeviceLayer::SystemLayer().ScheduleLambda([this] { DriveAPState(); });
}
exit:
return err;
}
void ConnectivityManagerImpl::_DemandStartWiFiAP()
{
if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: Demand start WiFi AP");
mLastAPDemandTime = System::SystemClock().GetMonotonicTimestamp();
DeviceLayer::SystemLayer().ScheduleLambda([this] { DriveAPState(); });
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: Demand start WiFi AP ignored, mode: %s", WiFiAPModeToStr(mWiFiAPMode));
}
}
void ConnectivityManagerImpl::_StopOnDemandWiFiAP()
{
if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: Demand stop WiFi AP");
mLastAPDemandTime = System::Clock::kZero;
DeviceLayer::SystemLayer().ScheduleLambda([this] { DriveAPState(); });
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: Demand stop WiFi AP ignored, mode: %s", WiFiAPModeToStr(mWiFiAPMode));
}
}
void ConnectivityManagerImpl::_MaintainOnDemandWiFiAP()
{
if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision)
{
if (mWiFiAPState == kWiFiAPState_Active)
{
mLastAPDemandTime = System::SystemClock().GetMonotonicTimestamp();
}
}
}
void ConnectivityManagerImpl::_SetWiFiAPIdleTimeout(System::Clock::Timeout val)
{
mWiFiAPIdleTimeout = val;
DeviceLayer::SystemLayer().ScheduleLambda([this] { DriveAPState(); });
}
void ConnectivityManagerImpl::UpdateNetworkStatus()
{
Network configuredNetwork;
VerifyOrReturn(IsWiFiStationEnabled() && mpStatusChangeCallback != nullptr);
CHIP_ERROR err = GetConfiguredNetwork(configuredNetwork);
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Failed to get configured network when updating network status: %s", err.AsString());
return;
}
// If we have already connected to the WiFi AP, then return null to indicate a success state.
if (IsWiFiStationConnected())
{
mpStatusChangeCallback->OnNetworkingStatusChange(
Status::kSuccess, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)), NullOptional);
return;
}
mpStatusChangeCallback->OnNetworkingStatusChange(
Status::kUnknownError, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)),
MakeOptional(GetDisconnectReason()));
}
void ConnectivityManagerImpl::_OnWpaPropertiesChanged(WpaSupplicant1Interface * proxy, GVariant * changedProperties)
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (g_variant_n_children(changedProperties) > 0)
{
GAutoPtr<GVariantIter> iter;
const gchar * key;
GVariant * value;
WiFiDiagnosticsDelegate * delegate = GetDiagnosticDataProvider().GetWiFiDiagnosticsDelegate();
g_variant_get(changedProperties, "a{sv}", &iter.GetReceiver());
while (g_variant_iter_loop(iter.get(), "{&sv}", &key, &value))
{
GAutoPtr<gchar> value_str(g_variant_print(value, TRUE));
ChipLogProgress(DeviceLayer, "wpa_supplicant:PropertiesChanged:key:%s -> %s", StringOrNullMarker(key),
StringOrNullMarker(value_str.get()));
if (g_strcmp0(key, "State") == 0)
{
if (g_strcmp0(value_str.get(), "\'associating\'") == 0)
{
mAssociationStarted = true;
}
else if (g_strcmp0(value_str.get(), "\'disconnected\'") == 0)
{
gint reason = wpa_supplicant_1_interface_get_disconnect_reason(mWpaSupplicant.iface);
if (delegate)
{
chip::DeviceLayer::StackLock stackLock;
delegate->OnDisconnectionDetected(reason);
delegate->OnConnectionStatusChanged(static_cast<uint8_t>(ConnectionStatusEnum::kConnected));
}
if (mAssociationStarted)
{
uint8_t associationFailureCause = static_cast<uint8_t>(AssociationFailureCauseEnum::kUnknown);
uint16_t status = WLAN_STATUS_UNSPECIFIED_FAILURE;
switch (abs(reason))
{
case WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY:
case WLAN_REASON_DISASSOC_AP_BUSY:
case WLAN_REASON_DISASSOC_STA_HAS_LEFT:
case WLAN_REASON_DISASSOC_LOW_ACK:
case WLAN_REASON_BSS_TRANSITION_DISASSOC:
associationFailureCause = static_cast<uint8_t>(AssociationFailureCauseEnum::kAssociationFailed);
status = wpa_supplicant_1_interface_get_assoc_status_code(mWpaSupplicant.iface);
break;
case WLAN_REASON_PREV_AUTH_NOT_VALID:
case WLAN_REASON_DEAUTH_LEAVING:
case WLAN_REASON_IEEE_802_1X_AUTH_FAILED:
associationFailureCause = static_cast<uint8_t>(AssociationFailureCauseEnum::kAuthenticationFailed);
status = wpa_supplicant_1_interface_get_auth_status_code(mWpaSupplicant.iface);
break;
default:
break;
}
DeviceLayer::SystemLayer().ScheduleLambda([this, reason]() {
if (mpConnectCallback != nullptr)
{
mpConnectCallback->OnResult(NetworkCommissioning::Status::kUnknownError, CharSpan(), reason);
mpConnectCallback = nullptr;
}
});
if (delegate)
{
chip::DeviceLayer::StackLock stackLock;
delegate->OnAssociationFailureDetected(associationFailureCause, status);
}
}
DeviceLayer::SystemLayer().ScheduleLambda([]() { ConnectivityMgrImpl().UpdateNetworkStatus(); });
mAssociationStarted = false;
}
else if (g_strcmp0(value_str.get(), "\'associated\'") == 0)
{
if (delegate)
{
chip::DeviceLayer::StackLock stackLock;
delegate->OnConnectionStatusChanged(static_cast<uint8_t>(ConnectionStatusEnum::kNotConnected));
}
DeviceLayer::SystemLayer().ScheduleLambda([]() { ConnectivityMgrImpl().UpdateNetworkStatus(); });
}
else if (g_strcmp0(value_str.get(), "\'completed\'") == 0)
{
if (mAssociationStarted)
{
DeviceLayer::SystemLayer().ScheduleLambda([this]() {
if (mpConnectCallback != nullptr)
{
mpConnectCallback->OnResult(NetworkCommissioning::Status::kSuccess, CharSpan(), 0);
mpConnectCallback = nullptr;
}
ConnectivityMgrImpl().PostNetworkConnect();
});
}
mAssociationStarted = false;
}
}
}
}
}
void ConnectivityManagerImpl::_OnWpaInterfaceProxyReady(GObject * sourceObject, GAsyncResult * res)
{
// When creating D-Bus proxy object, the thread default context must be initialized. Otherwise,
// all D-Bus signals will be delivered to the GLib global default main context.
VerifyOrDie(g_main_context_get_thread_default() != nullptr);
GAutoPtr<GError> err;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
WpaSupplicant1Interface * iface = wpa_supplicant_1_interface_proxy_new_for_bus_finish(res, &err.GetReceiver());
if (mWpaSupplicant.iface)
{
g_object_unref(mWpaSupplicant.iface);
mWpaSupplicant.iface = nullptr;
}
if (iface != nullptr && err == nullptr)
{
mWpaSupplicant.iface = iface;
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED;
ChipLogProgress(DeviceLayer, "wpa_supplicant: connected to wpa_supplicant interface proxy");
g_signal_connect(mWpaSupplicant.iface, "properties-changed",
G_CALLBACK(+[](WpaSupplicant1Interface * proxy, GVariant * properties, ConnectivityManagerImpl * self) {
return self->_OnWpaPropertiesChanged(proxy, properties);
}),
this);
g_signal_connect(mWpaSupplicant.iface, "scan-done",
G_CALLBACK(+[](WpaSupplicant1Interface * proxy, gboolean success, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceScanDone(proxy, success);
}),
this);
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: failed to create wpa_supplicant interface proxy %s: %s",
mWpaSupplicant.interfacePath, err ? err->message : "unknown error");
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::NOT_CONNECTED;
}
// We need to stop auto scan or it will block our network scan.
DeviceLayer::SystemLayer().ScheduleLambda([this]() {
CHIP_ERROR errInner = StopAutoScan();
if (errInner != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "wpa_supplicant: Failed to stop auto scan: %s", ErrorStr(errInner));
}
});
}
void ConnectivityManagerImpl::_OnWpaBssProxyReady(GObject * sourceObject, GAsyncResult * res)
{
// When creating D-Bus proxy object, the thread default context must be initialized. Otherwise,
// all D-Bus signals will be delivered to the GLib global default main context.
VerifyOrDie(g_main_context_get_thread_default() != nullptr);
GAutoPtr<GError> err;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
WpaSupplicant1BSS * bss = wpa_supplicant_1_bss_proxy_new_for_bus_finish(res, &err.GetReceiver());
if (mWpaSupplicant.bss)
{
g_object_unref(mWpaSupplicant.bss);
mWpaSupplicant.bss = nullptr;
}
if (bss != nullptr && err.get() == nullptr)
{
mWpaSupplicant.bss = bss;
ChipLogProgress(DeviceLayer, "wpa_supplicant: connected to wpa_supplicant bss proxy");
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: failed to create wpa_supplicant bss proxy %s: %s",
mWpaSupplicant.interfacePath, err ? err->message : "unknown error");
}
}
void ConnectivityManagerImpl::_OnWpaInterfaceReady(GObject * sourceObject, GAsyncResult * res)
{
// When creating D-Bus proxy object, the thread default context must be initialized. Otherwise,
// all D-Bus signals will be delivered to the GLib global default main context.
VerifyOrDie(g_main_context_get_thread_default() != nullptr);
GAutoPtr<GError> err;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
gboolean result =
wpa_supplicant_1_call_get_interface_finish(mWpaSupplicant.proxy, &mWpaSupplicant.interfacePath, res, &err.GetReceiver());
if (result)
{
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::GOT_INTERFACE_PATH;
ChipLogProgress(DeviceLayer, "wpa_supplicant: WiFi interface: %s", mWpaSupplicant.interfacePath);
wpa_supplicant_1_interface_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceProxyReady(sourceObject_, res_);
}),
this);
wpa_supplicant_1_bss_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaBssProxyReady(sourceObject_, res_);
}),
this);
}
else
{
GAutoPtr<GError> error;
GVariant * args = nullptr;
GVariantBuilder builder;
ChipLogProgress(DeviceLayer, "wpa_supplicant: can't find interface %s: %s", sWiFiIfName,
err ? err->message : "unknown error");
ChipLogProgress(DeviceLayer, "wpa_supplicant: try to create interface %s", CHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME);
g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
g_variant_builder_add(&builder, "{sv}", "Ifname", g_variant_new_string(CHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME));
args = g_variant_builder_end(&builder);
result = wpa_supplicant_1_call_create_interface_sync(mWpaSupplicant.proxy, args, &mWpaSupplicant.interfacePath, nullptr,
&error.GetReceiver());
if (result)
{
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::GOT_INTERFACE_PATH;
ChipLogProgress(DeviceLayer, "wpa_supplicant: WiFi interface: %s", mWpaSupplicant.interfacePath);
Platform::CopyString(sWiFiIfName, CHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME);
wpa_supplicant_1_interface_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceProxyReady(sourceObject_, res_);
}),
this);
wpa_supplicant_1_bss_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaBssProxyReady(sourceObject_, res_);
}),
this);
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: failed to create interface %s: %s",
CHIP_DEVICE_CONFIG_WIFI_STATION_IF_NAME, error ? error->message : "unknown error");
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::NO_INTERFACE_PATH;
if (mWpaSupplicant.interfacePath)
{
g_free(mWpaSupplicant.interfacePath);
mWpaSupplicant.interfacePath = nullptr;
}
}
}
}
void ConnectivityManagerImpl::_OnWpaInterfaceAdded(WpaSupplicant1 * proxy, const char * path, GVariant * properties)
{
// When creating D-Bus proxy object, the thread default context must be initialized. Otherwise,
// all D-Bus signals will be delivered to the GLib global default main context.
VerifyOrDie(g_main_context_get_thread_default() != nullptr);
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (mWpaSupplicant.interfacePath)
{
return;
}
mWpaSupplicant.interfacePath = const_cast<gchar *>(path);
if (mWpaSupplicant.interfacePath)
{
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::GOT_INTERFACE_PATH;
ChipLogProgress(DeviceLayer, "wpa_supplicant: WiFi interface added: %s", mWpaSupplicant.interfacePath);
wpa_supplicant_1_interface_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceProxyReady(sourceObject_, res_);
}),
this);
wpa_supplicant_1_bss_proxy_new_for_bus(
G_BUS_TYPE_SYSTEM, G_DBUS_PROXY_FLAGS_NONE, kWpaSupplicantServiceName, mWpaSupplicant.interfacePath, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaBssProxyReady(sourceObject_, res_);
}),
this);
}
}
void ConnectivityManagerImpl::_OnWpaInterfaceRemoved(WpaSupplicant1 * proxy, const char * path, GVariant * properties)
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
if (mWpaSupplicant.interfacePath == nullptr)
{
return;
}
if (g_strcmp0(mWpaSupplicant.interfacePath, path) == 0)
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: WiFi interface removed: %s", StringOrNullMarker(path));
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::NO_INTERFACE_PATH;
if (mWpaSupplicant.interfacePath)
{
g_free(mWpaSupplicant.interfacePath);
mWpaSupplicant.interfacePath = nullptr;
}
if (mWpaSupplicant.iface)
{
g_object_unref(mWpaSupplicant.iface);
mWpaSupplicant.iface = nullptr;
}
if (mWpaSupplicant.bss)
{
g_object_unref(mWpaSupplicant.bss);
mWpaSupplicant.bss = nullptr;
}
mWpaSupplicant.scanState = GDBusWpaSupplicant::WpaScanningState::IDLE;
}
}
void ConnectivityManagerImpl::_OnWpaProxyReady(GObject * sourceObject, GAsyncResult * res)
{
// When creating D-Bus proxy object, the thread default context must be initialized. Otherwise,
// all D-Bus signals will be delivered to the GLib global default main context.
VerifyOrDie(g_main_context_get_thread_default() != nullptr);
GAutoPtr<GError> err;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
mWpaSupplicant.proxy = wpa_supplicant_1_proxy_new_for_bus_finish(res, &err.GetReceiver());
if (mWpaSupplicant.proxy != nullptr && err.get() == nullptr)
{
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::CONNECTED;
ChipLogProgress(DeviceLayer, "wpa_supplicant: connected to wpa_supplicant proxy");
g_signal_connect(
mWpaSupplicant.proxy, "interface-added",
G_CALLBACK(+[](WpaSupplicant1 * proxy, const char * path, GVariant * properties, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceAdded(proxy, path, properties);
}),
this);
g_signal_connect(
mWpaSupplicant.proxy, "interface-removed",
G_CALLBACK(+[](WpaSupplicant1 * proxy, const char * path, GVariant * properties, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceRemoved(proxy, path, properties);
}),
this);
wpa_supplicant_1_call_get_interface(mWpaSupplicant.proxy, sWiFiIfName, nullptr,
reinterpret_cast<GAsyncReadyCallback>(
+[](GObject * sourceObject_, GAsyncResult * res_, ConnectivityManagerImpl * self) {
return self->_OnWpaInterfaceReady(sourceObject_, res_);
}),
this);
}
else
{
ChipLogProgress(DeviceLayer, "wpa_supplicant: failed to create wpa_supplicant proxy %s",
err ? err->message : "unknown error");
mWpaSupplicant.state = GDBusWpaSupplicant::WpaState::NOT_CONNECTED;
}
}
void ConnectivityManagerImpl::StartWiFiManagement()
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
mConnectivityFlag.ClearAll();
mWpaSupplicant = GDBusWpaSupplicant{};
CHIP_ERROR err = PlatformMgrImpl().GLibMatterContextInvokeSync(
+[](ConnectivityManagerImpl * self) { return self->_StartWiFiManagement(); }, this);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(DeviceLayer, "Failed to start WiFi management"));
}
bool ConnectivityManagerImpl::IsWiFiManagementStarted()
{
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
bool ret = mWpaSupplicant.state == GDBusWpaSupplicant::WpaState::INTERFACE_CONNECTED;
return ret;
}
#if CHIP_DEVICE_CONFIG_ENABLE_WIFIPAF
const char srv_name[] = "_matterc._udp";
/*
NAN-USD Service Protocol Type: ref: Table 58 of Wi-Fi Aware Specificaiton
*/
#define MAX_PAF_PUBLISH_SSI_BUFLEN 512
#define MAX_PAF_TX_SSI_BUFLEN 2048
#define NAN_SRV_PROTO_MATTER 3
#define NAM_PUBLISH_PERIOD 300u
#define NAN_PUBLISH_SSI_TAG " ssi="
#pragma pack(push, 1)
struct PAFPublishSSI
{
uint8_t DevOpCode;
uint16_t DevInfo;
uint16_t ProductId;
uint16_t VendorId;
};
#pragma pack(pop)
CHIP_ERROR ConnectivityManagerImpl::_WiFiPAFPublish(ConnectivityManager::WiFiPAFAdvertiseParam & InArgs)
{
CHIP_ERROR ret;
GAutoPtr<GError> err;
gchar args[MAX_PAF_PUBLISH_SSI_BUFLEN];
gint publish_id;
size_t req_len;
snprintf(args, sizeof(args), "service_name=%s srv_proto_type=%u ttl=%u ", srv_name, NAN_SRV_PROTO_MATTER, NAM_PUBLISH_PERIOD);
req_len = strlen(args) + strlen(InArgs.ExtCmds);
if ((InArgs.ExtCmds != nullptr) && (MAX_PAF_PUBLISH_SSI_BUFLEN > req_len))
{
strcat(args, InArgs.ExtCmds);
}
else
{
ChipLogError(DeviceLayer, "Input cmd is too long: limit:%d, req: %lu", MAX_PAF_PUBLISH_SSI_BUFLEN, req_len);
}
struct PAFPublishSSI PafPublish_ssi;
VerifyOrReturnError(
(strlen(args) + strlen(NAN_PUBLISH_SSI_TAG) + (sizeof(struct PAFPublishSSI) * 2) < MAX_PAF_PUBLISH_SSI_BUFLEN),
CHIP_ERROR_BUFFER_TOO_SMALL);
PafPublish_ssi.DevOpCode = 0;
VerifyOrDie(DeviceLayer::GetCommissionableDataProvider()->GetSetupDiscriminator(PafPublish_ssi.DevInfo) == CHIP_NO_ERROR);
if (DeviceLayer::GetDeviceInstanceInfoProvider()->GetProductId(PafPublish_ssi.ProductId) != CHIP_NO_ERROR)
{
PafPublish_ssi.ProductId = 0;
}
if (DeviceLayer::GetDeviceInstanceInfoProvider()->GetVendorId(PafPublish_ssi.VendorId) != CHIP_NO_ERROR)
{
PafPublish_ssi.VendorId = 0;
}
if (MAX_PAF_PUBLISH_SSI_BUFLEN > strlen(args) + strlen(NAN_PUBLISH_SSI_TAG))
{
strcat(args, NAN_PUBLISH_SSI_TAG);
}
ret = Encoding::BytesToUppercaseHexString((uint8_t *) &PafPublish_ssi, sizeof(PafPublish_ssi), &args[strlen(args)],
MAX_PAF_PUBLISH_SSI_BUFLEN - strlen(args));
VerifyOrReturnError(ret == CHIP_NO_ERROR, ret);
ChipLogProgress(DeviceLayer, "WiFi-PAF: publish: [%s]", args);
wpa_supplicant_1_interface_call_nanpublish_sync(mWpaSupplicant.iface, args, &publish_id, nullptr, &err.GetReceiver());
ChipLogProgress(DeviceLayer, "WiFi-PAF: publish_id: %d ! ", publish_id);
g_signal_connect(mWpaSupplicant.iface, "nan-receive",
G_CALLBACK(+[](WpaSupplicant1Interface * proxy, GVariant * obj, ConnectivityManagerImpl * self) {
return self->OnNanReceive(obj);
}),
this);
return CHIP_NO_ERROR;
}
CHIP_ERROR ConnectivityManagerImpl::_WiFiPAFCancelPublish()
{
GAutoPtr<GError> err;
gchar args[MAX_PAF_PUBLISH_SSI_BUFLEN];
ChipLogProgress(DeviceLayer, "WiFi-PAF: cancel publish_id: %d ! ", mpaf_info.peer_publish_id);
snprintf(args, sizeof(args), "publish_id=%d", mpaf_info.peer_publish_id);
wpa_supplicant_1_interface_call_nancancel_publish_sync(mWpaSupplicant.iface, args, nullptr, &err.GetReceiver());
return CHIP_NO_ERROR;
}
CHIP_ERROR ConnectivityManagerImpl::_SetWiFiPAFAdvertisingEnabled(WiFiPAFAdvertiseParam & args)
{
if (args.enable == true)
{
return _WiFiPAFPublish(args);
}
else
{
return _WiFiPAFCancelPublish();
}
}
Transport::WiFiPAFBase * ConnectivityManagerImpl::_GetWiFiPAF()
{
return pmWiFiPAF;
}
void ConnectivityManagerImpl::_SetWiFiPAF(Transport::WiFiPAFBase * pWiFiPAF)
{
pmWiFiPAF = pWiFiPAF;
return;
}
#endif
void ConnectivityManagerImpl::StartNonConcurrentWiFiManagement()
{
StartWiFiManagement();
for (int cnt = 0; cnt < WIFI_START_CHECK_ATTEMPTS; cnt++)
{
if (IsWiFiManagementStarted())
{
DeviceControlServer::DeviceControlSvr().PostOperationalNetworkStartedEvent();
ChipLogProgress(DeviceLayer, "Non-concurrent mode Wi-Fi Management Started.");
return;
}
usleep(WIFI_START_CHECK_TIME_USEC);
}
ChipLogError(Ble, "Non-concurrent mode Wi-Fi Management taking too long to start.");
}
void ConnectivityManagerImpl::DriveAPState()
{
CHIP_ERROR err = CHIP_NO_ERROR;
WiFiAPState targetState;
std::lock_guard<std::mutex> lock(mWpaSupplicantMutex);
// If the AP interface is not under application control...
if (mWiFiAPMode != kWiFiAPMode_ApplicationControlled)
{
// Determine the target (desired) state for AP interface...
// The target state is 'NotActive' if the application has expressly disabled the AP interface.
if (mWiFiAPMode == kWiFiAPMode_Disabled)
{
targetState = kWiFiAPState_NotActive;
}
// The target state is 'Active' if the application has expressly enabled the AP interface.
else if (mWiFiAPMode == kWiFiAPMode_Enabled)
{
targetState = kWiFiAPState_Active;
}
// The target state is 'Active' if the AP mode is 'On demand, when no station is available'
// and the station interface is not provisioned or the application has disabled the station
// interface.
else if (mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision &&
(!IsWiFiStationProvisioned() || GetWiFiStationMode() == kWiFiStationMode_Disabled))
{
targetState = kWiFiAPState_Active;
}
// The target state is 'Active' if the AP mode is one of the 'On demand' modes and there
// has been demand for the AP within the idle timeout period.
else if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision)
{
System::Clock::Timestamp now = System::SystemClock().GetMonotonicTimestamp();
if (mLastAPDemandTime != System::Clock::kZero && now < (mLastAPDemandTime + mWiFiAPIdleTimeout))
{
targetState = kWiFiAPState_Active;
// Compute the amount of idle time before the AP should be deactivated and
// arm a timer to fire at that time.
System::Clock::Timeout apTimeout = (mLastAPDemandTime + mWiFiAPIdleTimeout) - now;
err = DeviceLayer::SystemLayer().StartTimer(apTimeout, DriveAPState, this);
SuccessOrExit(err);
ChipLogProgress(DeviceLayer, "Next WiFi AP timeout in %" PRIu32 " s",
std::chrono::duration_cast<System::Clock::Seconds32>(apTimeout).count());
}
else
{
targetState = kWiFiAPState_NotActive;
}
}