| /* |
| * Copyright (C) 2020 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 android.ipsec.ike.cts; |
| |
| import static com.android.internal.util.HexDump.hexStringToByteArray; |
| |
| import android.ipsec.ike.cts.IkeTunUtils.PortPair; |
| import android.net.InetAddresses; |
| import android.net.LinkAddress; |
| import android.net.ipsec.ike.IkeFqdnIdentification; |
| import android.net.ipsec.ike.IkeSession; |
| import android.net.ipsec.ike.IkeSessionParams; |
| import android.net.ipsec.ike.IkeTrafficSelector; |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| /** |
| * Explicitly test transport mode Child SA so that devices without FEATURE_IPSEC_TUNNELS can be test |
| * covered. Tunnel mode Child SA setup has been tested in IkeSessionPskTest. Rekeying process is |
| * independent from Child SA mode. |
| */ |
| @RunWith(AndroidJUnit4.class) |
| public class IkeSessionRekeyTest extends IkeSessionTestBase { |
| // This value is align with the test vectors hex that are generated in an IPv4 environment |
| private static final IkeTrafficSelector TRANSPORT_MODE_INBOUND_TS = |
| new IkeTrafficSelector( |
| MIN_PORT, |
| MAX_PORT, |
| InetAddresses.parseNumericAddress("172.58.35.40"), |
| InetAddresses.parseNumericAddress("172.58.35.40")); |
| |
| private IkeSession openIkeSessionWithRemoteAddress(InetAddress remoteAddress) { |
| IkeSessionParams ikeParams = |
| new IkeSessionParams.Builder(sContext) |
| .setNetwork(mTunNetworkContext.tunNetwork) |
| .setServerHostname(remoteAddress.getHostAddress()) |
| .addSaProposal(SaProposalTest.buildIkeSaProposalWithNormalModeCipher()) |
| .addSaProposal(SaProposalTest.buildIkeSaProposalWithCombinedModeCipher()) |
| .setLocalIdentification(new IkeFqdnIdentification(LOCAL_HOSTNAME)) |
| .setRemoteIdentification(new IkeFqdnIdentification(REMOTE_HOSTNAME)) |
| .setAuthPsk(IKE_PSK) |
| .build(); |
| return new IkeSession( |
| sContext, |
| ikeParams, |
| buildTransportModeChildParamsWithTs( |
| TRANSPORT_MODE_INBOUND_TS, TRANSPORT_MODE_OUTBOUND_TS), |
| mUserCbExecutor, |
| mIkeSessionCallback, |
| mFirstChildSessionCallback); |
| } |
| |
| private byte[] buildInboundPkt(PortPair outPktSrcDestPortPair, String inboundDataHex) |
| throws Exception { |
| // Build inbound packet by flipping the outbound packet addresses and ports |
| return IkeTunUtils.buildIkePacket( |
| mRemoteAddress, |
| mLocalAddress, |
| outPktSrcDestPortPair.dstPort, |
| outPktSrcDestPortPair.srcPort, |
| true /* useEncap */, |
| hexStringToByteArray(inboundDataHex)); |
| } |
| |
| @Test |
| public void testRekeyIke() throws Exception { |
| final String ikeInitResp = |
| "46B8ECA1E0D72A1866B5248CF6C7472D21202220000000000000015022000030" |
| + "0000002C010100040300000C0100000C800E0100030000080300000C03000008" |
| + "0200000500000008040000022800008800020000920D3E830E7276908209212D" |
| + "E5A7F2A48706CFEF1BE8CB6E3B173B8B4E0D8C2DC626271FF1B13A88619E569E" |
| + "7B03C3ED2C127390749CDC7CDC711D0A8611E4457FFCBC4F0981B3288FBF58EA" |
| + "3E8B70E27E76AE70117FBBCB753660ADDA37EB5EB3A81BED6A374CCB7E132C2A" |
| + "94BFCE402DC76B19C158B533F6B1F2ABF01ACCC329000024B302CA2FB85B6CF4" |
| + "02313381246E3C53828D787F6DFEA6BD62D6405254AEE6242900001C00004004" |
| + "7A1682B06B58596533D00324886EF1F20EF276032900001C00004005BF633E31" |
| + "F9984B29A62E370BB2770FC09BAEA665290000080000402E290000100000402F" |
| + "00020003000400050000000800004014"; |
| final String ikeAuthResp = |
| "46B8ECA1E0D72A1866B5248CF6C7472D2E20232000000001000000F0240000D4" |
| + "10166CA8647F56123DE74C17FA5E256043ABF73216C812EE32EE1BB01EAF4A82" |
| + "DC107AB3ADBFEE0DEA5EEE10BDD5D43178F4C975C7C775D252273BB037283C7F" |
| + "236FE34A6BCE4833816897075DB2055B9FFD66DFA45A0A89A8F70AFB59431EED" |
| + "A20602FB614369D12906D3355CF7298A5D25364ABBCC75A9D88E0E6581449FCD" |
| + "4E361A39E00EFD1FD0A69651F63DB46C12470226AA21BA5EFF48FAF0B6DDF61C" |
| + "B0A69392CE559495EEDB4D1C1D80688434D225D57210A424C213F7C993D8A456" |
| + "38153FBD194C5E247B592D1D048DB4C8"; |
| final String rekeyIkeCreateReq = |
| "46B8ECA1E0D72A1866B5248CF6C7472D2E202400000000000000013021000114" |
| + "13743670039E308A8409BA5FD47B67F956B36FEE88AC3B70BB5D789B8218A135" |
| + "1B3D83E260E87B3EDB1BF064F09D4DC2611AEDBC99951B4B2DE767BD4AA2ACC3" |
| + "3653549CFC66B75869DF003CDC9A137A9CC27776AD5732B34203E74BE8CA4858" |
| + "1D5C0D9C9CA52D680EB299B4B21C7FA25FFEE174D57015E0FF2EAED653AAD95C" |
| + "071ABE269A8C2C9FBC1188E07550EB992F910D4CA9689E44BA66DE0FABB2BDF9" |
| + "8DD377186DBB25EF9B68B027BB2A27981779D8303D88D7CE860010A42862D50B" |
| + "1E0DBFD3D27C36F14809D7F493B2B96A65534CF98B0C32AD5219AD77F681AC04" |
| + "9D5CB89A0230A91A243FA7F16251B0D9B4B65E7330BEEAC9663EF4578991EAC8" |
| + "46C19EBB726E7D113F1D0D601102C05E"; |
| final String rekeyIkeDeleteReq = |
| "46B8ECA1E0D72A1866B5248CF6C7472D2E20250000000001000000502A000034" |
| + "02E40C0C7B1ED977729F705BB9B643FAC513A1070A6EB28ECD2AEA8A441ADC05" |
| + "7841382A7967BBF116AE52496590B2AD"; |
| final String deleteIkeReq = |
| "7D3DEDC65407D1FC9361C8CF8C47162A2E20250800000000000000502A000034" |
| + "201915C9E4E9173AA9EE79F3E02FE2D4954B22085C66D164762C34D347C16E9F" |
| + "FC5F7F114428C54D8D915860C57B1BC1"; |
| final long newIkeDeterministicInitSpi = Long.parseLong("7D3DEDC65407D1FC", 16); |
| |
| // Open IKE Session |
| IkeSession ikeSession = openIkeSessionWithRemoteAddress(mRemoteAddress); |
| PortPair localRemotePorts = performSetupIkeAndFirstChildBlocking(ikeInitResp, ikeAuthResp); |
| |
| // Local request message ID starts from 2 because there is one IKE_INIT message and a single |
| // IKE_AUTH message. |
| int expectedReqMsgId = 2; |
| int expectedRespMsgId = 0; |
| |
| verifyIkeSessionSetupBlocking(); |
| verifyChildSessionSetupBlocking( |
| mFirstChildSessionCallback, |
| Arrays.asList(TRANSPORT_MODE_INBOUND_TS), |
| Arrays.asList(TRANSPORT_MODE_OUTBOUND_TS), |
| new ArrayList<LinkAddress>()); |
| IpSecTransformCallRecord firstTransformRecordA = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| IpSecTransformCallRecord firstTransformRecordB = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| verifyCreateIpSecTransformPair(firstTransformRecordA, firstTransformRecordB); |
| |
| // Inject rekey IKE requests |
| mTunNetworkContext.tunUtils.injectPacket( |
| buildInboundPkt(localRemotePorts, rekeyIkeCreateReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| IKE_DETERMINISTIC_INITIATOR_SPI, expectedRespMsgId++, true /* expectedUseEncap */); |
| mTunNetworkContext.tunUtils.injectPacket( |
| buildInboundPkt(localRemotePorts, rekeyIkeDeleteReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| IKE_DETERMINISTIC_INITIATOR_SPI, expectedRespMsgId++, true /* expectedUseEncap */); |
| |
| // IKE has been rekeyed, reset message IDs |
| expectedReqMsgId = 0; |
| expectedRespMsgId = 0; |
| |
| // Inject delete IKE request |
| mTunNetworkContext.tunUtils.injectPacket(buildInboundPkt(localRemotePorts, deleteIkeReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| newIkeDeterministicInitSpi, expectedRespMsgId++, true /* expectedUseEncap */); |
| |
| verifyDeleteIpSecTransformPair( |
| mFirstChildSessionCallback, firstTransformRecordA, firstTransformRecordB); |
| mFirstChildSessionCallback.awaitOnClosed(); |
| mIkeSessionCallback.awaitOnClosed(); |
| } |
| |
| @Test |
| public void testRekeyTransportModeChildSa() throws Exception { |
| final String ikeInitResp = |
| "46B8ECA1E0D72A18CECD871146CF83A121202220000000000000015022000030" |
| + "0000002C010100040300000C0100000C800E0100030000080300000C03000008" |
| + "0200000500000008040000022800008800020000C4904458957746BCF1C12972" |
| + "1D4E19EB8A584F78DE673053396D167CE0F34552DBC69BA63FE7C673B4CF4A99" |
| + "62481518EE985357876E8C47BAAA0DBE9C40AE47B12E52165874703586E8F786" |
| + "045F72EEEB238C5D1823352BED44B71B3214609276ADC0B3D42DAC820168C4E2" |
| + "660730DAAC92492403288805EBB9053F1AB060DA290000242D9364ACB93519FF" |
| + "8F8B019BAA43A40D699F59714B327B8382216EF427ED52282900001C00004004" |
| + "06D91438A0D6B734E152F76F5CC55A72A2E38A0A2900001C000040052EFF78B3" |
| + "55B37F3CE75AFF26C721B050F892C0D6290000080000402E290000100000402F" |
| + "00020003000400050000000800004014"; |
| final String ikeAuthResp = |
| "46B8ECA1E0D72A18CECD871146CF83A12E20232000000001000000F0240000D4" |
| + "A17BC258BA2714CF536663639DD5F665A60C75E93557CD5141990A8CEEDD2017" |
| + "93F5B181C8569FBCD6C2A00198EC2B62D42BEFAC016B8B6BF6A7BC9CEDE3413A" |
| + "6C495A6B8EC941864DC3E08F57D015EA6520C4B05884960B85478FCA53DA5F17" |
| + "9628BB1097DA77461C71837207A9EB80720B3E6E661816EE4E14AC995B5E8441" |
| + "A4C3F9097CC148142BA300076C94A23EC4ADE82B1DD2B121F7E9102860A8C3BF" |
| + "58DDC207285A3176E924C44DE820322524E1AA438EFDFBA781B36084AED80846" |
| + "3B77FCED9682B6E4E476408EF3F1037E"; |
| final String rekeyChildCreateReq = |
| "46B8ECA1E0D72A18CECD871146CF83A12E202400000000000000015029000134" |
| + "319D74B6B155B86942143CEC1D29D21F073F24B7BEDC9BFE0F0FDD8BDB5458C0" |
| + "8DB93506E1A43DD0640FE7370C97F9B34FF4EC9B2DB7257A87B75632301FB68A" |
| + "86B54871249534CA3D01C9BEB127B669F46470E1C8AAF72574C3CEEC15B901CF" |
| + "5A0D6ADAE59C3CA64AC8C86689C860FAF9500E608DFE63F2DCD30510FD6FFCD5" |
| + "A50838574132FD1D069BCACD4C7BAF45C9B1A7689FAD132E3F56DBCFAF905A8C" |
| + "4145D4BA1B74A54762F8F43308D94DE05649C49D885121CE30681D51AC1E3E68" |
| + "AB82F9A19B99579AFE257F32DBD1037814DA577379E4F42DEDAC84502E49C933" |
| + "9EA83F6F5DB4401B660CB1681B023B8603D205DFDD1DE86AD8DE22B6B754F30D" |
| + "05EAE81A709C2CEE81386133DC3DC7B5EF8F166E48E54A0722DD0C64F4D00638" |
| + "40F272144C47F6ECED72A248180645DB"; |
| final String rekeyChildDeleteReq = |
| "46B8ECA1E0D72A18CECD871146CF83A12E20250000000001000000502A000034" |
| + "02D98DAF0432EBD991CA4F2D89C1E0EFABC6E91A3327A85D8914FB2F1485BE1B" |
| + "8D3415D548F7CE0DC4224E7E9D0D3355"; |
| final String deleteIkeReq = |
| "46B8ECA1E0D72A18CECD871146CF83A12E20250000000002000000502A000034" |
| + "095041F4026B4634F04B0AB4F9349484F7BE9AEF03E3733EEE293330043B75D2" |
| + "ABF5F965ED51127629585E1B1BBA787F"; |
| |
| // Open IKE Session |
| IkeSession ikeSession = openIkeSessionWithRemoteAddress(mRemoteAddress); |
| PortPair localRemotePorts = performSetupIkeAndFirstChildBlocking(ikeInitResp, ikeAuthResp); |
| |
| // IKE INIT and IKE AUTH takes two exchanges. Local request message ID starts from 2 |
| int expectedReqMsgId = 2; |
| int expectedRespMsgId = 0; |
| |
| verifyIkeSessionSetupBlocking(); |
| verifyChildSessionSetupBlocking( |
| mFirstChildSessionCallback, |
| Arrays.asList(TRANSPORT_MODE_INBOUND_TS), |
| Arrays.asList(TRANSPORT_MODE_OUTBOUND_TS), |
| new ArrayList<LinkAddress>()); |
| IpSecTransformCallRecord oldTransformRecordA = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| IpSecTransformCallRecord oldTransformRecordB = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| verifyCreateIpSecTransformPair(oldTransformRecordA, oldTransformRecordB); |
| |
| // Inject rekey Child requests |
| mTunNetworkContext.tunUtils.injectPacket( |
| buildInboundPkt(localRemotePorts, rekeyChildCreateReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| IKE_DETERMINISTIC_INITIATOR_SPI, expectedRespMsgId++, true /* expectedUseEncap */); |
| mTunNetworkContext.tunUtils.injectPacket( |
| buildInboundPkt(localRemotePorts, rekeyChildDeleteReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| IKE_DETERMINISTIC_INITIATOR_SPI, expectedRespMsgId++, true /* expectedUseEncap */); |
| |
| // Verify IpSecTransforms are renewed |
| IpSecTransformCallRecord newTransformRecordA = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| IpSecTransformCallRecord newTransformRecordB = |
| mFirstChildSessionCallback.awaitNextCreatedIpSecTransform(); |
| verifyCreateIpSecTransformPair(newTransformRecordA, newTransformRecordB); |
| verifyDeleteIpSecTransformPair( |
| mFirstChildSessionCallback, oldTransformRecordA, oldTransformRecordB); |
| |
| // Inject delete IKE request |
| mTunNetworkContext.tunUtils.injectPacket(buildInboundPkt(localRemotePorts, deleteIkeReq)); |
| mTunNetworkContext.tunUtils.awaitResp( |
| IKE_DETERMINISTIC_INITIATOR_SPI, expectedRespMsgId++, true /* expectedUseEncap */); |
| |
| verifyDeleteIpSecTransformPair( |
| mFirstChildSessionCallback, newTransformRecordA, newTransformRecordB); |
| mFirstChildSessionCallback.awaitOnClosed(); |
| mIkeSessionCallback.awaitOnClosed(); |
| } |
| } |
