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/*
*
* Copyright (c) 2020-2021 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.
*/
/**
* @file
* This file implements a process to effect a functional test for
* the SecureSessionTable class within the transport layer
*
*/
#include <pw_unit_test/framework.h>
#include <lib/core/ErrorStr.h>
#include <lib/core/StringBuilderAdapters.h>
#include <lib/support/CodeUtils.h>
#include <transport/SecureSessionTable.h>
namespace {
using namespace chip;
using namespace chip::Transport;
using namespace chip::System::Clock::Literals;
PeerAddress AddressFromString(const char * str)
{
Inet::IPAddress addr;
VerifyOrDie(Inet::IPAddress::FromString(str, addr));
return PeerAddress::UDP(addr);
}
const PeerAddress kPeer1Addr = AddressFromString("fe80::1");
const PeerAddress kPeer2Addr = AddressFromString("fe80::2");
const PeerAddress kPasePeerAddr = AddressFromString("fe80::3");
const NodeId kLocalNodeId = 0xC439A991071292DB;
const NodeId kCasePeer1NodeId = 123;
const NodeId kCasePeer2NodeId = 6;
const FabricIndex kFabricIndex = 8;
const CATValues kPeer1CATs = { { 0xABCD0001, 0xABCE0100, 0xABCD0020 } };
const CATValues kPeer2CATs = { { 0xABCD0012, kUndefinedCAT, kUndefinedCAT } };
class TestPeerConnections : public ::testing::Test
{
public:
static void SetUpTestSuite() { ASSERT_EQ(chip::Platform::MemoryInit(), CHIP_NO_ERROR); }
static void TearDownTestSuite() { chip::Platform::MemoryShutdown(); }
};
TEST_F(TestPeerConnections, TestBasicFunctionality)
{
SecureSessionTable connections;
System::Clock::Internal::MockClock clock;
System::Clock::ClockBase * realClock = &System::SystemClock();
System::Clock::Internal::SetSystemClockForTesting(&clock);
clock.SetMonotonic(100_ms64);
CATValues peerCATs;
Optional<SessionHandle> sessions[CHIP_CONFIG_SECURE_SESSION_POOL_SIZE];
// First node, peer session id 1, local session id 2
auto optionalSession = connections.CreateNewSecureSessionForTest(SecureSession::Type::kCASE, 2, kLocalNodeId, kCasePeer1NodeId,
kPeer1CATs, 1, kFabricIndex, GetDefaultMRPConfig());
EXPECT_TRUE(optionalSession.HasValue());
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetSecureSessionType(), SecureSession::Type::kCASE);
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetPeerNodeId(), kCasePeer1NodeId);
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetLocalNodeId(), kLocalNodeId);
EXPECT_EQ(optionalSession.Value()->GetPeer(), ScopedNodeId(kCasePeer1NodeId, kFabricIndex));
EXPECT_EQ(optionalSession.Value()->GetLocalScopedNodeId(), ScopedNodeId(kLocalNodeId, kFabricIndex));
peerCATs = optionalSession.Value()->AsSecureSession()->GetPeerCATs();
EXPECT_EQ(memcmp(&peerCATs, &kPeer1CATs, sizeof(CATValues)), 0);
// Second node, peer session id 3, local session id 4
optionalSession = connections.CreateNewSecureSessionForTest(SecureSession::Type::kCASE, 4, kLocalNodeId, kCasePeer2NodeId,
kPeer2CATs, 3, kFabricIndex, GetDefaultMRPConfig());
EXPECT_TRUE(optionalSession.HasValue());
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetSecureSessionType(), SecureSession::Type::kCASE);
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetPeerNodeId(), kCasePeer2NodeId);
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetLocalNodeId(), kLocalNodeId);
EXPECT_EQ(optionalSession.Value()->GetPeer(), ScopedNodeId(kCasePeer2NodeId, kFabricIndex));
EXPECT_EQ(optionalSession.Value()->GetLocalScopedNodeId(), ScopedNodeId(kLocalNodeId, kFabricIndex));
EXPECT_EQ(optionalSession.Value()->AsSecureSession()->GetLastActivityTime(), 100_ms64);
peerCATs = optionalSession.Value()->AsSecureSession()->GetPeerCATs();
EXPECT_EQ(memcmp(&peerCATs, &kPeer2CATs, sizeof(CATValues)), 0);
//
// Fill up the session table.
//
for (int i = 2; i < CHIP_CONFIG_SECURE_SESSION_POOL_SIZE; ++i)
{
sessions[i] = connections.CreateNewSecureSessionForTest(
SecureSession::Type::kCASE, static_cast<uint16_t>(static_cast<uint16_t>(i) + 6u), kLocalNodeId, kCasePeer2NodeId,
kPeer2CATs, 3, kFabricIndex, GetDefaultMRPConfig());
EXPECT_TRUE(sessions[i].HasValue());
}
// #endif
System::Clock::Internal::SetSystemClockForTesting(realClock);
}
TEST_F(TestPeerConnections, TestFindByKeyId)
{
SecureSessionTable connections;
System::Clock::Internal::MockClock clock;
System::Clock::ClockBase * realClock = &System::SystemClock();
System::Clock::Internal::SetSystemClockForTesting(&clock);
// First node, peer session id 1, local session id 2
auto optionalSession = connections.CreateNewSecureSessionForTest(SecureSession::Type::kCASE, 2, kLocalNodeId, kCasePeer1NodeId,
kPeer1CATs, 1, kFabricIndex, GetDefaultMRPConfig());
EXPECT_TRUE(optionalSession.HasValue());
EXPECT_FALSE(connections.FindSecureSessionByLocalKey(1).HasValue());
EXPECT_TRUE(connections.FindSecureSessionByLocalKey(2).HasValue());
// Second node, peer session id 3, local session id 4
optionalSession = connections.CreateNewSecureSessionForTest(SecureSession::Type::kCASE, 4, kLocalNodeId, kCasePeer2NodeId,
kPeer2CATs, 3, kFabricIndex, GetDefaultMRPConfig());
EXPECT_TRUE(optionalSession.HasValue());
EXPECT_FALSE(connections.FindSecureSessionByLocalKey(3).HasValue());
EXPECT_TRUE(connections.FindSecureSessionByLocalKey(4).HasValue());
System::Clock::Internal::SetSystemClockForTesting(realClock);
}
struct ExpiredCallInfo
{
int callCount = 0;
NodeId lastCallNodeId = 0;
PeerAddress lastCallPeerAddress = PeerAddress::Uninitialized();
};
} // namespace