626045a601
A helper class to *read* java BpfMaps. This is designed to provide direct bpf access in the caller process through ConnectivityManager APIs. The change also removes any statical link to net-utils-device-common-struct from service-connectivity. This is because net-utils-device-common-struct is already included in framework-connectivity. Including it again in service-connectivity would create a r8 build fail by circular dependency. Test: atest FrameworksNetTests:android.net.connectivity.com.android.server.BpfNetMapsTest Test: atest ConnectivityCoverageTests:android.net.connectivity.com.android.net.module.util.StructTest Test: atest FrameworksNetTests:android.net.connectivity.android.net.BpfNetMapsReaderTest Bug: 297836825 Change-Id: I7a6d2eb816d0dc7343167bddd672806b199f44fe
70 lines
2.7 KiB
Kotlin
70 lines
2.7 KiB
Kotlin
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net
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import android.net.BpfNetMapsConstants.UID_RULES_CONFIGURATION_KEY
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import android.net.BpfNetMapsUtils.getMatchByFirewallChain
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import android.os.Build
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import com.android.net.module.util.IBpfMap
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import com.android.net.module.util.Struct.S32
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import com.android.net.module.util.Struct.U32
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import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
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import com.android.testutils.DevSdkIgnoreRunner
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import com.android.testutils.TestBpfMap
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import kotlin.test.assertFalse
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import kotlin.test.assertTrue
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import org.junit.Test
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import org.junit.runner.RunWith
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// pre-T devices does not support Bpf.
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@RunWith(DevSdkIgnoreRunner::class)
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@IgnoreUpTo(Build.VERSION_CODES.S_V2)
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class BpfNetMapsReaderTest {
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private val testConfigurationMap: IBpfMap<S32, U32> = TestBpfMap()
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private val testUidOwnerMap: IBpfMap<S32, UidOwnerValue> = TestBpfMap()
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private val bpfNetMapsReader = BpfNetMapsReader(
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TestDependencies(testConfigurationMap, testUidOwnerMap))
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class TestDependencies(
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private val configMap: IBpfMap<S32, U32>,
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private val uidOwnerMap: IBpfMap<S32, UidOwnerValue>
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) : BpfNetMapsReader.Dependencies() {
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override fun getConfigurationMap() = configMap
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override fun getUidOwnerMap() = uidOwnerMap
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}
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private fun doTestIsChainEnabled(chain: Int) {
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testConfigurationMap.updateEntry(
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UID_RULES_CONFIGURATION_KEY,
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U32(getMatchByFirewallChain(chain))
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)
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assertTrue(bpfNetMapsReader.isChainEnabled(chain))
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testConfigurationMap.updateEntry(UID_RULES_CONFIGURATION_KEY, U32(0))
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assertFalse(bpfNetMapsReader.isChainEnabled(chain))
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}
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@Test
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@Throws(Exception::class)
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fun testIsChainEnabled() {
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doTestIsChainEnabled(ConnectivityManager.FIREWALL_CHAIN_DOZABLE)
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doTestIsChainEnabled(ConnectivityManager.FIREWALL_CHAIN_STANDBY)
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doTestIsChainEnabled(ConnectivityManager.FIREWALL_CHAIN_POWERSAVE)
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doTestIsChainEnabled(ConnectivityManager.FIREWALL_CHAIN_RESTRICTED)
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doTestIsChainEnabled(ConnectivityManager.FIREWALL_CHAIN_LOW_POWER_STANDBY)
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}
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}
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