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/*
* Copyright (c) 2020 Project CHIP Authors
* All rights reserved.
*
* 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 "PairingCommand.h"
#include "platform/PlatformManager.h"
#include <controller/ExampleOperationalCredentialsIssuer.h>
#include <crypto/CHIPCryptoPAL.h>
#include <lib/core/CHIPSafeCasts.h>
#include <lib/support/logging/CHIPLogging.h>
#include <protocols/secure_channel/PASESession.h>
#include <setup_payload/ManualSetupPayloadParser.h>
#include <setup_payload/QRCodeSetupPayloadParser.h>
using namespace ::chip;
using namespace ::chip::Controller;
CHIP_ERROR PairingCommand::RunCommand()
{
CurrentCommissioner().RegisterPairingDelegate(this);
return RunInternal(mNodeId);
}
CHIP_ERROR PairingCommand::RunInternal(NodeId remoteId)
{
CHIP_ERROR err = CHIP_NO_ERROR;
switch (mPairingMode)
{
case PairingMode::None:
err = Unpair(remoteId);
break;
case PairingMode::Code:
err = PairWithCode(remoteId);
break;
case PairingMode::CodePaseOnly:
err = PaseWithCode(remoteId);
break;
case PairingMode::Ble:
err = Pair(remoteId, PeerAddress::BLE());
break;
case PairingMode::OnNetwork:
err = PairWithMdns(remoteId);
break;
case PairingMode::SoftAP:
err = Pair(remoteId, PeerAddress::UDP(mRemoteAddr.address, mRemotePort, mRemoteAddr.interfaceId));
break;
case PairingMode::Ethernet:
err = Pair(remoteId, PeerAddress::UDP(mRemoteAddr.address, mRemotePort, mRemoteAddr.interfaceId));
break;
}
return err;
}
CommissioningParameters PairingCommand::GetCommissioningParameters()
{
switch (mNetworkType)
{
case PairingNetworkType::WiFi:
return CommissioningParameters().SetWiFiCredentials(Controller::WiFiCredentials(mSSID, mPassword));
case PairingNetworkType::Thread:
return CommissioningParameters().SetThreadOperationalDataset(mOperationalDataset);
case PairingNetworkType::Ethernet:
case PairingNetworkType::None:
return CommissioningParameters();
}
return CommissioningParameters();
}
CHIP_ERROR PairingCommand::PaseWithCode(NodeId remoteId)
{
DiscoveryType discoveryType =
mUseOnlyOnNetworkDiscovery.ValueOr(false) ? DiscoveryType::kDiscoveryNetworkOnly : DiscoveryType::kAll;
return CurrentCommissioner().EstablishPASEConnection(remoteId, mOnboardingPayload, discoveryType);
}
CHIP_ERROR PairingCommand::PairWithCode(NodeId remoteId)
{
CommissioningParameters commissioningParams = GetCommissioningParameters();
// If no network discovery behavior and no network credentials are provided, assume that the pairing command is trying to pair
// with an on-network device.
if (!mUseOnlyOnNetworkDiscovery.HasValue())
{
auto threadCredentials = commissioningParams.GetThreadOperationalDataset();
auto wiFiCredentials = commissioningParams.GetWiFiCredentials();
mUseOnlyOnNetworkDiscovery.SetValue(!threadCredentials.HasValue() && !wiFiCredentials.HasValue());
}
DiscoveryType discoveryType = mUseOnlyOnNetworkDiscovery.Value() ? DiscoveryType::kDiscoveryNetworkOnly : DiscoveryType::kAll;
return CurrentCommissioner().PairDevice(remoteId, mOnboardingPayload, commissioningParams, discoveryType);
}
CHIP_ERROR PairingCommand::Pair(NodeId remoteId, PeerAddress address)
{
RendezvousParameters params =
RendezvousParameters().SetSetupPINCode(mSetupPINCode).SetDiscriminator(mDiscriminator).SetPeerAddress(address);
CommissioningParameters commissioningParams = GetCommissioningParameters();
return CurrentCommissioner().PairDevice(remoteId, params, commissioningParams);
}
CHIP_ERROR PairingCommand::PairWithMdns(NodeId remoteId)
{
Dnssd::DiscoveryFilter filter(mFilterType);
switch (mFilterType)
{
case chip::Dnssd::DiscoveryFilterType::kNone:
break;
case chip::Dnssd::DiscoveryFilterType::kShortDiscriminator:
case chip::Dnssd::DiscoveryFilterType::kLongDiscriminator:
case chip::Dnssd::DiscoveryFilterType::kCompressedFabricId:
case chip::Dnssd::DiscoveryFilterType::kVendorId:
case chip::Dnssd::DiscoveryFilterType::kDeviceType:
filter.code = mDiscoveryFilterCode;
break;
case chip::Dnssd::DiscoveryFilterType::kCommissioningMode:
break;
case chip::Dnssd::DiscoveryFilterType::kCommissioner:
filter.code = 1;
break;
case chip::Dnssd::DiscoveryFilterType::kInstanceName:
filter.code = 0;
filter.instanceName = mDiscoveryFilterInstanceName;
break;
}
CurrentCommissioner().RegisterDeviceDiscoveryDelegate(this);
return CurrentCommissioner().DiscoverCommissionableNodes(filter);
}
CHIP_ERROR PairingCommand::Unpair(NodeId remoteId)
{
CHIP_ERROR err = CurrentCommissioner().UnpairDevice(remoteId);
SetCommandExitStatus(err);
return err;
}
void PairingCommand::OnStatusUpdate(DevicePairingDelegate::Status status)
{
switch (status)
{
case DevicePairingDelegate::Status::SecurePairingSuccess:
ChipLogProgress(chipTool, "Secure Pairing Success");
ChipLogProgress(chipTool, "CASE establishment successful");
break;
case DevicePairingDelegate::Status::SecurePairingFailed:
ChipLogError(chipTool, "Secure Pairing Failed");
SetCommandExitStatus(CHIP_ERROR_INCORRECT_STATE);
break;
case DevicePairingDelegate::Status::SecurePairingDiscoveringMoreDevices:
if (IsDiscoverOnce())
{
ChipLogError(chipTool, "Secure Pairing Failed");
SetCommandExitStatus(CHIP_ERROR_INCORRECT_STATE);
}
else
{
ChipLogProgress(chipTool, "Secure Pairing Discovering More Devices");
}
break;
}
}
void PairingCommand::OnPairingComplete(CHIP_ERROR err)
{
if (err == CHIP_NO_ERROR)
{
ChipLogProgress(chipTool, "Pairing Success");
ChipLogProgress(chipTool, "PASE establishment successful");
if (mPairingMode == PairingMode::CodePaseOnly)
{
SetCommandExitStatus(err);
}
}
else
{
ChipLogProgress(chipTool, "Pairing Failure: %s", ErrorStr(err));
}
if (err != CHIP_NO_ERROR)
{
SetCommandExitStatus(err);
}
}
void PairingCommand::OnPairingDeleted(CHIP_ERROR err)
{
if (err == CHIP_NO_ERROR)
{
ChipLogProgress(chipTool, "Pairing Deleted Success");
}
else
{
ChipLogProgress(chipTool, "Pairing Deleted Failure: %s", ErrorStr(err));
}
SetCommandExitStatus(err);
}
void PairingCommand::OnCommissioningComplete(NodeId nodeId, CHIP_ERROR err)
{
if (err == CHIP_NO_ERROR)
{
ChipLogProgress(chipTool, "Device commissioning completed with success");
}
else
{
ChipLogProgress(chipTool, "Device commissioning Failure: %s", ErrorStr(err));
}
SetCommandExitStatus(err);
}
void PairingCommand::OnDiscoveredDevice(const chip::Dnssd::DiscoveredNodeData & nodeData)
{
// Ignore nodes with closed comissioning window
VerifyOrReturn(nodeData.commissionData.commissioningMode != 0);
const uint16_t port = nodeData.resolutionData.port;
char buf[chip::Inet::IPAddress::kMaxStringLength];
nodeData.resolutionData.ipAddress[0].ToString(buf);
ChipLogProgress(chipTool, "Discovered Device: %s:%u", buf, port);
// Stop Mdns discovery.
CurrentCommissioner().StopCommissionableDiscovery();
CurrentCommissioner().RegisterDeviceDiscoveryDelegate(nullptr);
Inet::InterfaceId interfaceId =
nodeData.resolutionData.ipAddress[0].IsIPv6LinkLocal() ? nodeData.resolutionData.interfaceId : Inet::InterfaceId::Null();
PeerAddress peerAddress = PeerAddress::UDP(nodeData.resolutionData.ipAddress[0], port, interfaceId);
CHIP_ERROR err = Pair(mNodeId, peerAddress);
if (CHIP_NO_ERROR != err)
{
SetCommandExitStatus(err);
}
}