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Diffstat (limited to 'common/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java')
-rw-r--r--common/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java226
1 files changed, 0 insertions, 226 deletions
diff --git a/common/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java b/common/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java
deleted file mode 100644
index 3a72dd1b..00000000
--- a/common/tests/unit/src/com/android/net/module/util/netlink/NetlinkUtilsTest.java
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * 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.
- */
-
-package com.android.net.module.util.netlink;
-
-import static android.system.OsConstants.AF_INET;
-import static android.system.OsConstants.AF_INET6;
-import static android.system.OsConstants.AF_UNSPEC;
-import static android.system.OsConstants.EACCES;
-import static android.system.OsConstants.NETLINK_ROUTE;
-
-import static com.android.net.module.util.netlink.NetlinkUtils.DEFAULT_RECV_BUFSIZE;
-import static com.android.net.module.util.netlink.StructNlMsgHdr.NLM_F_DUMP;
-import static com.android.net.module.util.netlink.StructNlMsgHdr.NLM_F_REQUEST;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
-import static org.junit.Assume.assumeFalse;
-
-import android.content.Context;
-import android.system.ErrnoException;
-import android.system.NetlinkSocketAddress;
-import android.system.Os;
-
-import androidx.test.filters.SmallTest;
-import androidx.test.platform.app.InstrumentationRegistry;
-import androidx.test.runner.AndroidJUnit4;
-
-import com.android.modules.utils.build.SdkLevel;
-import com.android.net.module.util.Struct;
-
-import libcore.io.IoUtils;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.io.FileDescriptor;
-import java.net.InetAddress;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-
-@RunWith(AndroidJUnit4.class)
-@SmallTest
-public class NetlinkUtilsTest {
- private static final String TAG = "NetlinkUtilsTest";
- private static final int TEST_SEQNO = 5;
- private static final int TEST_TIMEOUT_MS = 500;
-
- @Test
- public void testGetNeighborsQuery() throws Exception {
- final FileDescriptor fd = NetlinkUtils.netlinkSocketForProto(NETLINK_ROUTE);
- assertNotNull(fd);
-
- NetlinkUtils.connectSocketToNetlink(fd);
-
- final NetlinkSocketAddress localAddr = (NetlinkSocketAddress) Os.getsockname(fd);
- assertNotNull(localAddr);
- assertEquals(0, localAddr.getGroupsMask());
- assertTrue(0 != localAddr.getPortId());
-
- final byte[] req = RtNetlinkNeighborMessage.newGetNeighborsRequest(TEST_SEQNO);
- assertNotNull(req);
-
- final Context ctx = InstrumentationRegistry.getInstrumentation().getContext();
- final int targetSdk =
- ctx.getPackageManager()
- .getApplicationInfo(ctx.getPackageName(), 0)
- .targetSdkVersion;
-
- // Apps targeting an SDK version > S are not allowed to send RTM_GETNEIGH{TBL} messages
- if (SdkLevel.isAtLeastT() && targetSdk > 31) {
- var ctxt = new String(Files.readAllBytes(Paths.get("/proc/thread-self/attr/current")));
- assumeFalse("must not be platform app", ctxt.startsWith("u:r:platform_app:s0:"));
- try {
- NetlinkUtils.sendMessage(fd, req, 0, req.length, TEST_TIMEOUT_MS);
- fail("RTM_GETNEIGH is not allowed for apps targeting SDK > 31 on T+ platforms,"
- + " target SDK version: " + targetSdk);
- } catch (ErrnoException e) {
- // Expected
- assertEquals(e.errno, EACCES);
- return;
- }
- }
-
- // Check that apps targeting lower API levels / running on older platforms succeed
- assertEquals(req.length,
- NetlinkUtils.sendMessage(fd, req, 0, req.length, TEST_TIMEOUT_MS));
-
- int neighMessageCount = 0;
- int doneMessageCount = 0;
-
- while (doneMessageCount == 0) {
- ByteBuffer response =
- NetlinkUtils.recvMessage(fd, DEFAULT_RECV_BUFSIZE, TEST_TIMEOUT_MS);
- assertNotNull(response);
- assertTrue(StructNlMsgHdr.STRUCT_SIZE <= response.limit());
- assertEquals(0, response.position());
- assertEquals(ByteOrder.nativeOrder(), response.order());
-
- // Verify the messages at least appears minimally reasonable.
- while (response.remaining() > 0) {
- final NetlinkMessage msg = NetlinkMessage.parse(response, NETLINK_ROUTE);
- assertNotNull(msg);
- final StructNlMsgHdr hdr = msg.getHeader();
- assertNotNull(hdr);
-
- if (hdr.nlmsg_type == NetlinkConstants.NLMSG_DONE) {
- doneMessageCount++;
- continue;
- }
-
- assertEquals(NetlinkConstants.RTM_NEWNEIGH, hdr.nlmsg_type);
- assertTrue(msg instanceof RtNetlinkNeighborMessage);
- assertTrue((hdr.nlmsg_flags & StructNlMsgHdr.NLM_F_MULTI) != 0);
- assertEquals(TEST_SEQNO, hdr.nlmsg_seq);
- assertEquals(localAddr.getPortId(), hdr.nlmsg_pid);
-
- neighMessageCount++;
- }
- }
-
- assertEquals(1, doneMessageCount);
- // TODO: make sure this test passes sanely in airplane mode.
- assertTrue(neighMessageCount > 0);
-
- IoUtils.closeQuietly(fd);
- }
-
- @Test
- public void testBasicWorkingGetAddrQuery() throws Exception {
- final FileDescriptor fd = NetlinkUtils.netlinkSocketForProto(NETLINK_ROUTE);
- assertNotNull(fd);
-
- NetlinkUtils.connectSocketToNetlink(fd);
-
- final NetlinkSocketAddress localAddr = (NetlinkSocketAddress) Os.getsockname(fd);
- assertNotNull(localAddr);
- assertEquals(0, localAddr.getGroupsMask());
- assertTrue(0 != localAddr.getPortId());
-
- final int testSeqno = 8;
- final byte[] req = newGetAddrRequest(testSeqno);
- assertNotNull(req);
-
- final long timeout = 500;
- assertEquals(req.length, NetlinkUtils.sendMessage(fd, req, 0, req.length, timeout));
-
- int addrMessageCount = 0;
-
- while (true) {
- ByteBuffer response = NetlinkUtils.recvMessage(fd, DEFAULT_RECV_BUFSIZE, timeout);
- assertNotNull(response);
- assertTrue(StructNlMsgHdr.STRUCT_SIZE <= response.limit());
- assertEquals(0, response.position());
- assertEquals(ByteOrder.nativeOrder(), response.order());
-
- final NetlinkMessage msg = NetlinkMessage.parse(response, NETLINK_ROUTE);
- assertNotNull(msg);
- final StructNlMsgHdr nlmsghdr = msg.getHeader();
- assertNotNull(nlmsghdr);
-
- if (nlmsghdr.nlmsg_type == NetlinkConstants.NLMSG_DONE) {
- break;
- }
-
- assertEquals(NetlinkConstants.RTM_NEWADDR, nlmsghdr.nlmsg_type);
- assertTrue((nlmsghdr.nlmsg_flags & StructNlMsgHdr.NLM_F_MULTI) != 0);
- assertEquals(testSeqno, nlmsghdr.nlmsg_seq);
- assertEquals(localAddr.getPortId(), nlmsghdr.nlmsg_pid);
- assertTrue(msg instanceof RtNetlinkAddressMessage);
- addrMessageCount++;
-
- // From the query response we can see the RTM_NEWADDR messages representing for IPv4
- // and IPv6 loopback address: 127.0.0.1 and ::1.
- final StructIfaddrMsg ifaMsg = ((RtNetlinkAddressMessage) msg).getIfaddrHeader();
- final InetAddress ipAddress = ((RtNetlinkAddressMessage) msg).getIpAddress();
- assertTrue(
- "Non-IP address family: " + ifaMsg.family,
- ifaMsg.family == AF_INET || ifaMsg.family == AF_INET6);
- assertTrue(ipAddress.isLoopbackAddress());
- }
-
- assertTrue(addrMessageCount > 0);
-
- IoUtils.closeQuietly(fd);
- }
-
- /** A convenience method to create an RTM_GETADDR request message. */
- private static byte[] newGetAddrRequest(int seqNo) {
- final int length = StructNlMsgHdr.STRUCT_SIZE + Struct.getSize(StructIfaddrMsg.class);
- final byte[] bytes = new byte[length];
- final ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
- byteBuffer.order(ByteOrder.nativeOrder());
-
- final StructNlMsgHdr nlmsghdr = new StructNlMsgHdr();
- nlmsghdr.nlmsg_len = length;
- nlmsghdr.nlmsg_type = NetlinkConstants.RTM_GETADDR;
- nlmsghdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
- nlmsghdr.nlmsg_seq = seqNo;
- nlmsghdr.pack(byteBuffer);
-
- final StructIfaddrMsg addrMsg = new StructIfaddrMsg((byte) AF_UNSPEC /* family */,
- (short) 0 /* prefixLen */, (short) 0 /* flags */, (short) 0 /* scope */,
- 0 /* index */);
- addrMsg.pack(byteBuffer);
-
- return bytes;
- }
-}
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