diff options
Diffstat (limited to 'common/tests/unit/src/com/android/net/module/util/netlink/RtNetlinkRouteMessageTest.java')
| -rw-r--r-- | common/tests/unit/src/com/android/net/module/util/netlink/RtNetlinkRouteMessageTest.java | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/common/tests/unit/src/com/android/net/module/util/netlink/RtNetlinkRouteMessageTest.java b/common/tests/unit/src/com/android/net/module/util/netlink/RtNetlinkRouteMessageTest.java deleted file mode 100644 index 9881653a..00000000 --- a/common/tests/unit/src/com/android/net/module/util/netlink/RtNetlinkRouteMessageTest.java +++ /dev/null @@ -1,229 +0,0 @@ -/* - * Copyright (C) 2021 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.NETLINK_ROUTE; - -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertNotNull; -import static org.junit.Assert.assertNull; -import static org.junit.Assert.assertTrue; - -import android.net.InetAddresses; -import android.net.IpPrefix; -import android.system.OsConstants; - -import androidx.test.filters.SmallTest; -import androidx.test.runner.AndroidJUnit4; - -import com.android.net.module.util.HexDump; - -import org.junit.Test; -import org.junit.runner.RunWith; - -import java.net.Inet6Address; -import java.nio.ByteBuffer; -import java.nio.ByteOrder; - -@RunWith(AndroidJUnit4.class) -@SmallTest -public class RtNetlinkRouteMessageTest { - private static final IpPrefix TEST_IPV6_GLOBAL_PREFIX = new IpPrefix("2001:db8:1::/64"); - private static final Inet6Address TEST_IPV6_LINK_LOCAL_GATEWAY = - (Inet6Address) InetAddresses.parseNumericAddress("fe80::1"); - - // An example of the full RTM_NEWROUTE message. - private static final String RTM_NEWROUTE_HEX = - "88000000180000060000000000000000" // struct nlmsghr - + "0A400000FC02000100000000" // struct rtmsg - + "08000F00C7060000" // RTA_TABLE - + "1400010020010DB8000100000000000000000000" // RTA_DST - + "08000400DF020000" // RTA_OIF - + "0800060000010000" // RTA_PRIORITY - + "24000C0000000000000000005EEA000000000000" // RTA_CACHEINFO - + "00000000000000000000000000000000" - + "14000500FE800000000000000000000000000001" // RTA_GATEWAY - + "0500140000000000"; // RTA_PREF - - private ByteBuffer toByteBuffer(final String hexString) { - return ByteBuffer.wrap(HexDump.hexStringToByteArray(hexString)); - } - - private void assertRtmRouteMessage(final RtNetlinkRouteMessage routeMsg) { - final StructNlMsgHdr hdr = routeMsg.getHeader(); - assertNotNull(hdr); - assertEquals(136, hdr.nlmsg_len); - assertEquals(NetlinkConstants.RTM_NEWROUTE, hdr.nlmsg_type); - assertEquals(0x600, hdr.nlmsg_flags); - assertEquals(0, hdr.nlmsg_seq); - assertEquals(0, hdr.nlmsg_pid); - - final StructRtMsg rtmsg = routeMsg.getRtMsgHeader(); - assertNotNull(rtmsg); - assertEquals((byte) OsConstants.AF_INET6, rtmsg.family); - assertEquals(64, rtmsg.dstLen); - assertEquals(0, rtmsg.srcLen); - assertEquals(0, rtmsg.tos); - assertEquals(0xFC, rtmsg.table); - assertEquals(NetlinkConstants.RTPROT_KERNEL, rtmsg.protocol); - assertEquals(NetlinkConstants.RT_SCOPE_UNIVERSE, rtmsg.scope); - assertEquals(NetlinkConstants.RTN_UNICAST, rtmsg.type); - assertEquals(0, rtmsg.flags); - - assertEquals(routeMsg.getDestination(), TEST_IPV6_GLOBAL_PREFIX); - assertEquals(735, routeMsg.getInterfaceIndex()); - assertEquals((Inet6Address) routeMsg.getGateway(), TEST_IPV6_LINK_LOCAL_GATEWAY); - - assertNotNull(routeMsg.getRtaCacheInfo()); - } - - @Test - public void testParseRtmRouteMessage() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - assertNotNull(msg); - assertTrue(msg instanceof RtNetlinkRouteMessage); - final RtNetlinkRouteMessage routeMsg = (RtNetlinkRouteMessage) msg; - assertRtmRouteMessage(routeMsg); - } - - private static final String RTM_NEWROUTE_PACK_HEX = - "4C000000180000060000000000000000" // struct nlmsghr - + "0A400000FC02000100000000" // struct rtmsg - + "1400010020010DB8000100000000000000000000" // RTA_DST - + "14000500FE800000000000000000000000000001" // RTA_GATEWAY - + "08000400DF020000" // RTA_OIF - + "24000C0000000000000000005EEA000000000000" // RTA_CACHEINFO - + "00000000000000000000000000000000"; - - @Test - public void testPackRtmNewRoute() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_PACK_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - assertNotNull(msg); - assertTrue(msg instanceof RtNetlinkRouteMessage); - final RtNetlinkRouteMessage routeMsg = (RtNetlinkRouteMessage) msg; - - final ByteBuffer packBuffer = ByteBuffer.allocate(112); - packBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - routeMsg.pack(packBuffer); - assertEquals(RTM_NEWROUTE_PACK_HEX, HexDump.toHexString(packBuffer.array())); - } - - private static final String RTM_NEWROUTE_TRUNCATED_HEX = - "48000000180000060000000000000000" // struct nlmsghr - + "0A400000FC02000100000000" // struct rtmsg - + "1400010020010DB8000100000000000000000000" // RTA_DST - + "10000500FE8000000000000000000000" // RTA_GATEWAY(truncated) - + "08000400DF020000"; // RTA_OIF - - @Test - public void testTruncatedRtmNewRoute() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_TRUNCATED_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - // Parsing RTM_NEWROUTE with truncated RTA_GATEWAY attribute returns null. - assertNull(msg); - } - - private static final String RTM_NEWROUTE_IPV4_MAPPED_IPV6_GATEWAY_HEX = - "4C000000180000060000000000000000" // struct nlmsghr - + "0A400000FC02000100000000" // struct rtmsg - + "1400010020010DB8000100000000000000000000" // RTA_DST(2001:db8:1::/64) - + "1400050000000000000000000000FFFF0A010203" // RTA_GATEWAY(::ffff:10.1.2.3) - + "08000400DF020000"; // RTA_OIF - - @Test - public void testParseRtmRouteMessage_IPv4MappedIPv6Gateway() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_IPV4_MAPPED_IPV6_GATEWAY_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - // Parsing RTM_NEWROUTE with IPv4-mapped IPv6 gateway address, which doesn't match - // rtm_family after address parsing. - assertNull(msg); - } - - private static final String RTM_NEWROUTE_IPV4_MAPPED_IPV6_DST_HEX = - "4C000000180000060000000000000000" // struct nlmsghr - + "0A780000FC02000100000000" // struct rtmsg - + "1400010000000000000000000000FFFF0A000000" // RTA_DST(::ffff:10.0.0.0/120) - + "14000500FE800000000000000000000000000001" // RTA_GATEWAY(fe80::1) - + "08000400DF020000"; // RTA_OIF - - @Test - public void testParseRtmRouteMessage_IPv4MappedIPv6Destination() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_IPV4_MAPPED_IPV6_DST_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - // Parsing RTM_NEWROUTE with IPv4-mapped IPv6 destination prefix, which doesn't match - // rtm_family after address parsing. - assertNull(msg); - } - - // An example of the full RTM_NEWADDR message. - private static final String RTM_NEWADDR_HEX = - "48000000140000000000000000000000" // struct nlmsghr - + "0A4080FD1E000000" // struct ifaddrmsg - + "14000100FE800000000000002C415CFFFE096665" // IFA_ADDRESS - + "14000600100E0000201C00002A70000045700000" // IFA_CACHEINFO - + "0800080080000000"; // IFA_FLAGS - - @Test - public void testParseMultipleRtmMessagesInOneByteBuffer() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_HEX + RTM_NEWADDR_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - - // Try to parse the RTM_NEWROUTE message. - NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - assertNotNull(msg); - assertTrue(msg instanceof RtNetlinkRouteMessage); - final RtNetlinkRouteMessage routeMsg = (RtNetlinkRouteMessage) msg; - assertRtmRouteMessage(routeMsg); - - // Try to parse the RTM_NEWADDR message. - msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - assertNotNull(msg); - assertTrue(msg instanceof RtNetlinkAddressMessage); - } - - @Test - public void testToString() { - final ByteBuffer byteBuffer = toByteBuffer(RTM_NEWROUTE_HEX); - byteBuffer.order(ByteOrder.LITTLE_ENDIAN); // For testing. - final NetlinkMessage msg = NetlinkMessage.parse(byteBuffer, NETLINK_ROUTE); - assertNotNull(msg); - assertTrue(msg instanceof RtNetlinkRouteMessage); - final RtNetlinkRouteMessage routeMsg = (RtNetlinkRouteMessage) msg; - final String expected = "RtNetlinkRouteMessage{ " - + "nlmsghdr{" - + "StructNlMsgHdr{ nlmsg_len{136}, nlmsg_type{24(RTM_NEWROUTE)}, " - + "nlmsg_flags{1536(NLM_F_MATCH)}, nlmsg_seq{0}, nlmsg_pid{0} }}, " - + "Rtmsg{" - + "family: 10, dstLen: 64, srcLen: 0, tos: 0, table: 252, protocol: 2, " - + "scope: 0, type: 1, flags: 0}, " - + "destination{2001:db8:1::}, " - + "gateway{fe80::1}, " - + "ifindex{735}, " - + "rta_cacheinfo{clntref: 0, lastuse: 0, expires: 59998, error: 0, used: 0, " - + "id: 0, ts: 0, tsage: 0} " - + "}"; - assertEquals(expected, routeMsg.toString()); - } -} |