henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 2 | * Copyright 2004 The WebRTC project authors. All Rights Reserved. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 3 | * |
kjellander | 65c7f67 | 2016-02-12 00:05:01 -0800 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
jbauch | 5869f50 | 2017-06-29 12:31:36 -0700 | [diff] [blame] | 11 | #include <algorithm> |
| 12 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 13 | #include "pc/srtpfilter.h" |
mattdr | 0d8ade5 | 2016-10-25 09:47:26 -0700 | [diff] [blame] | 14 | |
Patrik Höglund | 7aee3d5 | 2017-11-15 13:15:17 +0100 | [diff] [blame] | 15 | #include "api/cryptoparams.h" |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 16 | #include "rtc_base/gunit.h" |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 17 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 18 | using cricket::CryptoParams; |
| 19 | using cricket::CS_LOCAL; |
| 20 | using cricket::CS_REMOTE; |
| 21 | |
zstein | 4dde3df | 2017-07-07 14:26:25 -0700 | [diff] [blame] | 22 | namespace rtc { |
| 23 | |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 24 | static const char kTestKeyParams1[] = |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 25 | "inline:WVNfX19zZW1jdGwgKCkgewkyMjA7fQp9CnVubGVz"; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 26 | static const char kTestKeyParams2[] = |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 27 | "inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR"; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 28 | static const char kTestKeyParams3[] = |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 29 | "inline:1234X19zZW1jdGwgKCkgewkyMjA7fQp9CnVubGVz"; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 30 | static const char kTestKeyParams4[] = |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 31 | "inline:4567QCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR"; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 32 | static const char kTestKeyParamsGcm1[] = |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 33 | "inline:e166KFlKzJsGW0d5apX+rrI05vxbrvMJEzFI14aTDCa63IRTlLK4iH66uOI="; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 34 | static const char kTestKeyParamsGcm2[] = |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 35 | "inline:6X0oCd55zfz4VgtOwsuqcFq61275PDYN5uwuu3p7ZUHbfUY2FMpdP4m2PEo="; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 36 | static const char kTestKeyParamsGcm3[] = |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 37 | "inline:YKlABGZWMgX32xuMotrG0v0T7G83veegaVzubQ=="; |
Steve Anton | 36b29d1 | 2017-10-30 09:57:42 -0700 | [diff] [blame] | 38 | static const char kTestKeyParamsGcm4[] = |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 39 | "inline:gJ6tWoUym2v+/F6xjr7xaxiS3QbJJozl3ZD/0A=="; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 40 | static const cricket::CryptoParams kTestCryptoParams1( |
| 41 | 1, "AES_CM_128_HMAC_SHA1_80", kTestKeyParams1, ""); |
| 42 | static const cricket::CryptoParams kTestCryptoParams2( |
| 43 | 1, "AES_CM_128_HMAC_SHA1_80", kTestKeyParams2, ""); |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 44 | static const cricket::CryptoParams kTestCryptoParamsGcm1( |
| 45 | 1, "AEAD_AES_256_GCM", kTestKeyParamsGcm1, ""); |
| 46 | static const cricket::CryptoParams kTestCryptoParamsGcm2( |
| 47 | 1, "AEAD_AES_256_GCM", kTestKeyParamsGcm2, ""); |
| 48 | static const cricket::CryptoParams kTestCryptoParamsGcm3( |
| 49 | 1, "AEAD_AES_128_GCM", kTestKeyParamsGcm3, ""); |
| 50 | static const cricket::CryptoParams kTestCryptoParamsGcm4( |
| 51 | 1, "AEAD_AES_128_GCM", kTestKeyParamsGcm4, ""); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 52 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 53 | class SrtpFilterTest : public testing::Test { |
| 54 | protected: |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 55 | SrtpFilterTest() {} |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 56 | static std::vector<CryptoParams> MakeVector(const CryptoParams& params) { |
| 57 | std::vector<CryptoParams> vec; |
| 58 | vec.push_back(params); |
| 59 | return vec; |
| 60 | } |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 61 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 62 | void TestSetParams(const std::vector<CryptoParams>& params1, |
| 63 | const std::vector<CryptoParams>& params2) { |
| 64 | EXPECT_TRUE(f1_.SetOffer(params1, CS_LOCAL)); |
| 65 | EXPECT_TRUE(f2_.SetOffer(params1, CS_REMOTE)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 66 | EXPECT_FALSE(f1_.IsActive()); |
| 67 | EXPECT_FALSE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 68 | EXPECT_TRUE(f2_.SetAnswer(params2, CS_LOCAL)); |
| 69 | EXPECT_TRUE(f1_.SetAnswer(params2, CS_REMOTE)); |
| 70 | EXPECT_TRUE(f1_.IsActive()); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 71 | EXPECT_TRUE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 72 | } |
jbauch | dfcab72 | 2017-03-06 00:14:10 -0800 | [diff] [blame] | 73 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 74 | void VerifyCryptoParamsMatch(const std::string& cs1, const std::string& cs2) { |
| 75 | EXPECT_EQ(rtc::SrtpCryptoSuiteFromName(cs1), f1_.send_cipher_suite()); |
| 76 | EXPECT_EQ(rtc::SrtpCryptoSuiteFromName(cs2), f2_.send_cipher_suite()); |
| 77 | EXPECT_TRUE(f1_.send_key() == f2_.recv_key()); |
| 78 | EXPECT_TRUE(f2_.send_key() == f1_.recv_key()); |
jbauch | dfcab72 | 2017-03-06 00:14:10 -0800 | [diff] [blame] | 79 | } |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 80 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 81 | cricket::SrtpFilter f1_; |
| 82 | cricket::SrtpFilter f2_; |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 83 | }; |
| 84 | |
| 85 | // Test that we can set up the session and keys properly. |
| 86 | TEST_F(SrtpFilterTest, TestGoodSetupOneCipherSuite) { |
| 87 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 88 | EXPECT_FALSE(f1_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 89 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 90 | EXPECT_TRUE(f1_.IsActive()); |
| 91 | } |
| 92 | |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 93 | TEST_F(SrtpFilterTest, TestGoodSetupOneCipherSuiteGcm) { |
| 94 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParamsGcm1), CS_LOCAL)); |
| 95 | EXPECT_FALSE(f1_.IsActive()); |
| 96 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParamsGcm2), CS_REMOTE)); |
| 97 | EXPECT_TRUE(f1_.IsActive()); |
| 98 | } |
| 99 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 100 | // Test that we can set up things with multiple params. |
| 101 | TEST_F(SrtpFilterTest, TestGoodSetupMultipleCipherSuites) { |
| 102 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 103 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 104 | offer.push_back(kTestCryptoParams1); |
| 105 | offer[1].tag = 2; |
| 106 | offer[1].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 107 | answer[0].tag = 2; |
| 108 | answer[0].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 109 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 110 | EXPECT_FALSE(f1_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 111 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 112 | EXPECT_TRUE(f1_.IsActive()); |
| 113 | } |
| 114 | |
jbauch | cb56065 | 2016-08-04 05:20:32 -0700 | [diff] [blame] | 115 | TEST_F(SrtpFilterTest, TestGoodSetupMultipleCipherSuitesGcm) { |
| 116 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParamsGcm1)); |
| 117 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParamsGcm3)); |
| 118 | offer.push_back(kTestCryptoParamsGcm4); |
| 119 | offer[1].tag = 2; |
| 120 | answer[0].tag = 2; |
| 121 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 122 | EXPECT_FALSE(f1_.IsActive()); |
| 123 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 124 | EXPECT_TRUE(f1_.IsActive()); |
| 125 | } |
| 126 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 127 | // Test that we handle the cases where crypto is not desired. |
| 128 | TEST_F(SrtpFilterTest, TestGoodSetupNoCipherSuites) { |
| 129 | std::vector<CryptoParams> offer, answer; |
| 130 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 131 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 132 | EXPECT_FALSE(f1_.IsActive()); |
| 133 | } |
| 134 | |
| 135 | // Test that we handle the cases where crypto is not desired by the remote side. |
| 136 | TEST_F(SrtpFilterTest, TestGoodSetupNoAnswerCipherSuites) { |
| 137 | std::vector<CryptoParams> answer; |
| 138 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 139 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 140 | EXPECT_FALSE(f1_.IsActive()); |
| 141 | } |
| 142 | |
| 143 | // Test that we fail if we call the functions the wrong way. |
| 144 | TEST_F(SrtpFilterTest, TestBadSetup) { |
| 145 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 146 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 147 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_LOCAL)); |
| 148 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 149 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 150 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_LOCAL)); |
| 151 | EXPECT_FALSE(f1_.IsActive()); |
| 152 | } |
| 153 | |
| 154 | // Test that we can set offer multiple times from the same source. |
| 155 | TEST_F(SrtpFilterTest, TestGoodSetupMultipleOffers) { |
| 156 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 157 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 158 | EXPECT_FALSE(f1_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 159 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 160 | EXPECT_TRUE(f1_.IsActive()); |
| 161 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 162 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 163 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 164 | |
| 165 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams1), CS_REMOTE)); |
| 166 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 167 | EXPECT_FALSE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 168 | EXPECT_TRUE(f2_.SetAnswer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 169 | EXPECT_TRUE(f2_.IsActive()); |
| 170 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams1), CS_REMOTE)); |
| 171 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 172 | EXPECT_TRUE(f2_.SetAnswer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 173 | } |
| 174 | // Test that we can't set offer multiple times from different sources. |
| 175 | TEST_F(SrtpFilterTest, TestBadSetupMultipleOffers) { |
| 176 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 177 | EXPECT_FALSE(f1_.SetOffer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 178 | EXPECT_FALSE(f1_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 179 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParams1), CS_REMOTE)); |
| 180 | EXPECT_TRUE(f1_.IsActive()); |
| 181 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 182 | EXPECT_FALSE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_REMOTE)); |
| 183 | EXPECT_TRUE(f1_.SetAnswer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 184 | |
| 185 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 186 | EXPECT_FALSE(f2_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 187 | EXPECT_FALSE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 188 | EXPECT_TRUE(f2_.SetAnswer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 189 | EXPECT_TRUE(f2_.IsActive()); |
| 190 | EXPECT_TRUE(f2_.SetOffer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 191 | EXPECT_FALSE(f2_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 192 | EXPECT_TRUE(f2_.SetAnswer(MakeVector(kTestCryptoParams2), CS_LOCAL)); |
| 193 | } |
| 194 | |
| 195 | // Test that we fail if we have params in the answer when none were offered. |
| 196 | TEST_F(SrtpFilterTest, TestNoAnswerCipherSuites) { |
| 197 | std::vector<CryptoParams> offer; |
| 198 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 199 | EXPECT_FALSE(f1_.SetAnswer(MakeVector(kTestCryptoParams2), CS_REMOTE)); |
| 200 | EXPECT_FALSE(f1_.IsActive()); |
| 201 | } |
| 202 | |
| 203 | // Test that we fail if we have too many params in our answer. |
| 204 | TEST_F(SrtpFilterTest, TestMultipleAnswerCipherSuites) { |
| 205 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 206 | answer.push_back(kTestCryptoParams2); |
| 207 | answer[1].tag = 2; |
| 208 | answer[1].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 209 | EXPECT_TRUE(f1_.SetOffer(MakeVector(kTestCryptoParams1), CS_LOCAL)); |
| 210 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 211 | EXPECT_FALSE(f1_.IsActive()); |
| 212 | } |
| 213 | |
| 214 | // Test that we fail if we don't support the cipher-suite. |
| 215 | TEST_F(SrtpFilterTest, TestInvalidCipherSuite) { |
| 216 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 217 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 218 | offer[0].cipher_suite = answer[0].cipher_suite = "FOO"; |
| 219 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 220 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 221 | EXPECT_FALSE(f1_.IsActive()); |
| 222 | } |
| 223 | |
| 224 | // Test that we fail if we can't agree on a tag. |
| 225 | TEST_F(SrtpFilterTest, TestNoMatchingTag) { |
| 226 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 227 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 228 | answer[0].tag = 99; |
| 229 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 230 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 231 | EXPECT_FALSE(f1_.IsActive()); |
| 232 | } |
| 233 | |
| 234 | // Test that we fail if we can't agree on a cipher-suite. |
| 235 | TEST_F(SrtpFilterTest, TestNoMatchingCipherSuite) { |
| 236 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 237 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 238 | answer[0].tag = 2; |
| 239 | answer[0].cipher_suite = "FOO"; |
| 240 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 241 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 242 | EXPECT_FALSE(f1_.IsActive()); |
| 243 | } |
| 244 | |
| 245 | // Test that we fail keys with bad base64 content. |
| 246 | TEST_F(SrtpFilterTest, TestInvalidKeyData) { |
| 247 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 248 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 249 | answer[0].key_params = "inline:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"; |
| 250 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 251 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 252 | EXPECT_FALSE(f1_.IsActive()); |
| 253 | } |
| 254 | |
| 255 | // Test that we fail keys with the wrong key-method. |
| 256 | TEST_F(SrtpFilterTest, TestWrongKeyMethod) { |
| 257 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 258 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 259 | answer[0].key_params = "outline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR"; |
| 260 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 261 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 262 | EXPECT_FALSE(f1_.IsActive()); |
| 263 | } |
| 264 | |
| 265 | // Test that we fail keys of the wrong length. |
| 266 | TEST_F(SrtpFilterTest, TestKeyTooShort) { |
| 267 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 268 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 269 | answer[0].key_params = "inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtx"; |
| 270 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 271 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 272 | EXPECT_FALSE(f1_.IsActive()); |
| 273 | } |
| 274 | |
| 275 | // Test that we fail keys of the wrong length. |
| 276 | TEST_F(SrtpFilterTest, TestKeyTooLong) { |
| 277 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 278 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 279 | answer[0].key_params = "inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBRABCD"; |
| 280 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 281 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 282 | EXPECT_FALSE(f1_.IsActive()); |
| 283 | } |
| 284 | |
| 285 | // Test that we fail keys with lifetime or MKI set (since we don't support) |
| 286 | TEST_F(SrtpFilterTest, TestUnsupportedOptions) { |
| 287 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 288 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 289 | answer[0].key_params = |
| 290 | "inline:PS1uQCVeeCFCanVmcjkpPywjNWhcYD0mXXtxaVBR|2^20|1:4"; |
| 291 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 292 | EXPECT_FALSE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 293 | EXPECT_FALSE(f1_.IsActive()); |
| 294 | } |
| 295 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 296 | // Test that we can encrypt/decrypt after negotiating AES_CM_128_HMAC_SHA1_80. |
| 297 | TEST_F(SrtpFilterTest, TestProtect_AES_CM_128_HMAC_SHA1_80) { |
| 298 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 299 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 300 | offer.push_back(kTestCryptoParams1); |
| 301 | offer[1].tag = 2; |
| 302 | offer[1].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 303 | TestSetParams(offer, answer); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 304 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 305 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | // Test that we can encrypt/decrypt after negotiating AES_CM_128_HMAC_SHA1_32. |
| 309 | TEST_F(SrtpFilterTest, TestProtect_AES_CM_128_HMAC_SHA1_32) { |
| 310 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 311 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 312 | offer.push_back(kTestCryptoParams1); |
| 313 | offer[1].tag = 2; |
| 314 | offer[1].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 315 | answer[0].tag = 2; |
| 316 | answer[0].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 317 | TestSetParams(offer, answer); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 318 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_32, |
| 319 | CS_AES_CM_128_HMAC_SHA1_32); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | // Test that we can change encryption parameters. |
| 323 | TEST_F(SrtpFilterTest, TestChangeParameters) { |
| 324 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 325 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 326 | |
| 327 | TestSetParams(offer, answer); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 328 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 329 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 330 | |
| 331 | // Change the key parameters and cipher_suite. |
| 332 | offer[0].key_params = kTestKeyParams3; |
| 333 | offer[0].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 334 | answer[0].key_params = kTestKeyParams4; |
| 335 | answer[0].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 336 | |
| 337 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 338 | EXPECT_TRUE(f2_.SetOffer(offer, CS_REMOTE)); |
| 339 | EXPECT_TRUE(f1_.IsActive()); |
| 340 | EXPECT_TRUE(f1_.IsActive()); |
| 341 | |
| 342 | // Test that the old keys are valid until the negotiation is complete. |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 343 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 344 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 345 | |
| 346 | // Complete the negotiation and test that we can still understand each other. |
| 347 | EXPECT_TRUE(f2_.SetAnswer(answer, CS_LOCAL)); |
| 348 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 349 | |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 350 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_32, |
| 351 | CS_AES_CM_128_HMAC_SHA1_32); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | // Test that we can send and receive provisional answers with crypto enabled. |
| 355 | // Also test that we can change the crypto. |
| 356 | TEST_F(SrtpFilterTest, TestProvisionalAnswer) { |
| 357 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 358 | offer.push_back(kTestCryptoParams1); |
| 359 | offer[1].tag = 2; |
| 360 | offer[1].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 361 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 362 | |
| 363 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 364 | EXPECT_TRUE(f2_.SetOffer(offer, CS_REMOTE)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 365 | EXPECT_FALSE(f1_.IsActive()); |
| 366 | EXPECT_FALSE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 367 | EXPECT_TRUE(f2_.SetProvisionalAnswer(answer, CS_LOCAL)); |
| 368 | EXPECT_TRUE(f1_.SetProvisionalAnswer(answer, CS_REMOTE)); |
| 369 | EXPECT_TRUE(f1_.IsActive()); |
| 370 | EXPECT_TRUE(f2_.IsActive()); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 371 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 372 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 373 | |
| 374 | answer[0].key_params = kTestKeyParams4; |
| 375 | answer[0].tag = 2; |
| 376 | answer[0].cipher_suite = CS_AES_CM_128_HMAC_SHA1_32; |
| 377 | EXPECT_TRUE(f2_.SetAnswer(answer, CS_LOCAL)); |
| 378 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 379 | EXPECT_TRUE(f1_.IsActive()); |
| 380 | EXPECT_TRUE(f2_.IsActive()); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 381 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_32, |
| 382 | CS_AES_CM_128_HMAC_SHA1_32); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 383 | } |
| 384 | |
| 385 | // Test that a provisional answer doesn't need to contain a crypto. |
| 386 | TEST_F(SrtpFilterTest, TestProvisionalAnswerWithoutCrypto) { |
| 387 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 388 | std::vector<CryptoParams> answer; |
| 389 | |
| 390 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 391 | EXPECT_TRUE(f2_.SetOffer(offer, CS_REMOTE)); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 392 | EXPECT_FALSE(f1_.IsActive()); |
| 393 | EXPECT_FALSE(f2_.IsActive()); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 394 | EXPECT_TRUE(f2_.SetProvisionalAnswer(answer, CS_LOCAL)); |
| 395 | EXPECT_TRUE(f1_.SetProvisionalAnswer(answer, CS_REMOTE)); |
| 396 | EXPECT_FALSE(f1_.IsActive()); |
| 397 | EXPECT_FALSE(f2_.IsActive()); |
| 398 | |
| 399 | answer.push_back(kTestCryptoParams2); |
| 400 | EXPECT_TRUE(f2_.SetAnswer(answer, CS_LOCAL)); |
| 401 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 402 | EXPECT_TRUE(f1_.IsActive()); |
| 403 | EXPECT_TRUE(f2_.IsActive()); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 404 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 405 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 406 | } |
| 407 | |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 408 | // Test that if we get a new local offer after a provisional answer |
| 409 | // with no crypto, that we are in an inactive state. |
| 410 | TEST_F(SrtpFilterTest, TestLocalOfferAfterProvisionalAnswerWithoutCrypto) { |
| 411 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 412 | std::vector<CryptoParams> answer; |
| 413 | |
| 414 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 415 | EXPECT_TRUE(f2_.SetOffer(offer, CS_REMOTE)); |
| 416 | EXPECT_TRUE(f1_.SetProvisionalAnswer(answer, CS_REMOTE)); |
| 417 | EXPECT_TRUE(f2_.SetProvisionalAnswer(answer, CS_LOCAL)); |
| 418 | EXPECT_FALSE(f1_.IsActive()); |
| 419 | EXPECT_FALSE(f2_.IsActive()); |
| 420 | // The calls to set an offer after a provisional answer fail, so the |
| 421 | // state doesn't change. |
| 422 | EXPECT_FALSE(f1_.SetOffer(offer, CS_LOCAL)); |
| 423 | EXPECT_FALSE(f2_.SetOffer(offer, CS_REMOTE)); |
| 424 | EXPECT_FALSE(f1_.IsActive()); |
| 425 | EXPECT_FALSE(f2_.IsActive()); |
| 426 | |
| 427 | answer.push_back(kTestCryptoParams2); |
| 428 | EXPECT_TRUE(f2_.SetAnswer(answer, CS_LOCAL)); |
| 429 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 430 | EXPECT_TRUE(f1_.IsActive()); |
| 431 | EXPECT_TRUE(f2_.IsActive()); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 432 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 433 | CS_AES_CM_128_HMAC_SHA1_80); |
pthatcher@webrtc.org | 2e7ee4b | 2014-10-27 16:10:29 +0000 | [diff] [blame] | 434 | } |
| 435 | |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 436 | // Test that we can disable encryption. |
| 437 | TEST_F(SrtpFilterTest, TestDisableEncryption) { |
| 438 | std::vector<CryptoParams> offer(MakeVector(kTestCryptoParams1)); |
| 439 | std::vector<CryptoParams> answer(MakeVector(kTestCryptoParams2)); |
| 440 | |
| 441 | TestSetParams(offer, answer); |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 442 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 443 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 444 | |
| 445 | offer.clear(); |
| 446 | answer.clear(); |
| 447 | EXPECT_TRUE(f1_.SetOffer(offer, CS_LOCAL)); |
| 448 | EXPECT_TRUE(f2_.SetOffer(offer, CS_REMOTE)); |
| 449 | EXPECT_TRUE(f1_.IsActive()); |
| 450 | EXPECT_TRUE(f2_.IsActive()); |
| 451 | |
| 452 | // Test that the old keys are valid until the negotiation is complete. |
Zhi Huang | cf990f5 | 2017-09-22 12:12:30 -0700 | [diff] [blame] | 453 | VerifyCryptoParamsMatch(CS_AES_CM_128_HMAC_SHA1_80, |
| 454 | CS_AES_CM_128_HMAC_SHA1_80); |
henrike@webrtc.org | 28e2075 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 455 | |
| 456 | // Complete the negotiation. |
| 457 | EXPECT_TRUE(f2_.SetAnswer(answer, CS_LOCAL)); |
| 458 | EXPECT_TRUE(f1_.SetAnswer(answer, CS_REMOTE)); |
| 459 | |
| 460 | EXPECT_FALSE(f1_.IsActive()); |
| 461 | EXPECT_FALSE(f2_.IsActive()); |
| 462 | } |
| 463 | |
zstein | 4dde3df | 2017-07-07 14:26:25 -0700 | [diff] [blame] | 464 | } // namespace rtc |