Index: webrtc/pc/srtpfilter_unittest.cc |
diff --git a/webrtc/pc/srtpfilter_unittest.cc b/webrtc/pc/srtpfilter_unittest.cc |
index af8b69f73e334496ef4e2bc80224a66ecd85d6f8..9486dd6ac9283a899fbbd4c34525a65383cfbd51 100644 |
--- a/webrtc/pc/srtpfilter_unittest.cc |
+++ b/webrtc/pc/srtpfilter_unittest.cc |
@@ -107,29 +107,6 @@ |
EXPECT_TRUE(f1_.IsActive()); |
EXPECT_TRUE(f2_.IsActive()); |
} |
- void TestRtpAuthParams(cricket::SrtpFilter* filter, const std::string& cs) { |
- int overhead; |
- EXPECT_TRUE(filter->GetSrtpOverhead(&overhead)); |
- switch (rtc::SrtpCryptoSuiteFromName(cs)) { |
- case rtc::SRTP_AES128_CM_SHA1_32: |
- EXPECT_EQ(32/8, overhead); // 32-bit tag. |
- break; |
- case rtc::SRTP_AES128_CM_SHA1_80: |
- EXPECT_EQ(80/8, overhead); // 80-bit tag. |
- break; |
- default: |
- RTC_NOTREACHED(); |
- break; |
- } |
- |
- uint8_t* auth_key = nullptr; |
- int key_len = 0; |
- int tag_len = 0; |
- EXPECT_TRUE(filter->GetRtpAuthParams(&auth_key, &key_len, &tag_len)); |
- EXPECT_NE(nullptr, auth_key); |
- EXPECT_EQ(160/8, key_len); // Length of SHA-1 is 160 bits. |
- EXPECT_EQ(overhead, tag_len); |
- } |
void TestProtectUnprotect(const std::string& cs1, const std::string& cs2) { |
rtc::Buffer rtp_buffer(sizeof(kPcmuFrame) + rtp_auth_tag_len(cs1)); |
char* rtp_packet = rtp_buffer.data<char>(); |
@@ -150,30 +127,18 @@ |
&out_len)); |
EXPECT_EQ(out_len, rtp_len + rtp_auth_tag_len(cs1)); |
EXPECT_NE(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
- if (!f1_.IsExternalAuthActive()) { |
- EXPECT_TRUE(f2_.UnprotectRtp(rtp_packet, out_len, &out_len)); |
- EXPECT_EQ(rtp_len, out_len); |
- EXPECT_EQ(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
- } else { |
- // With external auth enabled, SRTP doesn't write the auth tag and |
- // unprotect would fail. Check accessing the information about the |
- // tag instead, similar to what the actual code would do that relies |
- // on external auth. |
- TestRtpAuthParams(&f1_, cs1); |
- } |
+ EXPECT_TRUE(f2_.UnprotectRtp(rtp_packet, out_len, &out_len)); |
+ EXPECT_EQ(rtp_len, out_len); |
+ EXPECT_EQ(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
EXPECT_TRUE(f2_.ProtectRtp(rtp_packet, rtp_len, |
static_cast<int>(rtp_buffer.size()), |
&out_len)); |
EXPECT_EQ(out_len, rtp_len + rtp_auth_tag_len(cs2)); |
EXPECT_NE(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
- if (!f2_.IsExternalAuthActive()) { |
- EXPECT_TRUE(f1_.UnprotectRtp(rtp_packet, out_len, &out_len)); |
- EXPECT_EQ(rtp_len, out_len); |
- EXPECT_EQ(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
- } else { |
- TestRtpAuthParams(&f2_, cs2); |
- } |
+ EXPECT_TRUE(f1_.UnprotectRtp(rtp_packet, out_len, &out_len)); |
+ EXPECT_EQ(rtp_len, out_len); |
+ EXPECT_EQ(0, memcmp(rtp_packet, original_rtp_packet, rtp_len)); |
EXPECT_TRUE(f1_.ProtectRtcp(rtcp_packet, rtcp_len, |
static_cast<int>(rtcp_buffer.size()), |
@@ -193,30 +158,6 @@ |
EXPECT_EQ(rtcp_len, out_len); |
EXPECT_EQ(0, memcmp(rtcp_packet, kRtcpReport, rtcp_len)); |
} |
- void TestProtectSetParamsDirect(bool enable_external_auth, int cs, |
- const uint8_t* key1, int key1_len, const uint8_t* key2, int key2_len, |
- const std::string& cs_name) { |
- EXPECT_EQ(key1_len, key2_len); |
- EXPECT_EQ(cs_name, rtc::SrtpCryptoSuiteToName(cs)); |
- if (enable_external_auth) { |
- f1_.EnableExternalAuth(); |
- f2_.EnableExternalAuth(); |
- } |
- EXPECT_TRUE(f1_.SetRtpParams(cs, key1, key1_len, cs, key2, key2_len)); |
- EXPECT_TRUE(f2_.SetRtpParams(cs, key2, key2_len, cs, key1, key1_len)); |
- EXPECT_TRUE(f1_.SetRtcpParams(cs, key1, key1_len, cs, key2, key2_len)); |
- EXPECT_TRUE(f2_.SetRtcpParams(cs, key2, key2_len, cs, key1, key1_len)); |
- EXPECT_TRUE(f1_.IsActive()); |
- EXPECT_TRUE(f2_.IsActive()); |
- if (rtc::IsGcmCryptoSuite(cs)) { |
- EXPECT_FALSE(f1_.IsExternalAuthActive()); |
- EXPECT_FALSE(f2_.IsExternalAuthActive()); |
- } else if (enable_external_auth) { |
- EXPECT_TRUE(f1_.IsExternalAuthActive()); |
- EXPECT_TRUE(f2_.IsExternalAuthActive()); |
- } |
- TestProtectUnprotect(cs_name, cs_name); |
- } |
cricket::SrtpFilter f1_; |
cricket::SrtpFilter f2_; |
int sequence_number_; |
@@ -606,47 +547,97 @@ |
EXPECT_FALSE(f2_.IsActive()); |
} |
-class SrtpFilterProtectSetParamsDirectTest |
- : public SrtpFilterTest, |
- public testing::WithParamInterface<bool> { |
-}; |
- |
// Test directly setting the params with AES_CM_128_HMAC_SHA1_80. |
-TEST_P(SrtpFilterProtectSetParamsDirectTest, Test_AES_CM_128_HMAC_SHA1_80) { |
- bool enable_external_auth = GetParam(); |
- TestProtectSetParamsDirect(enable_external_auth, rtc::SRTP_AES128_CM_SHA1_80, |
- kTestKey1, kTestKeyLen, kTestKey2, kTestKeyLen, |
- CS_AES_CM_128_HMAC_SHA1_80); |
+TEST_F(SrtpFilterTest, TestProtect_SetParamsDirect_AES_CM_128_HMAC_SHA1_80) { |
+ EXPECT_TRUE(f1_.SetRtpParams(rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_80, |
+ kTestKey2, kTestKeyLen)); |
+ EXPECT_TRUE(f2_.SetRtpParams(rtc::SRTP_AES128_CM_SHA1_80, kTestKey2, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_80, |
+ kTestKey1, kTestKeyLen)); |
+ EXPECT_TRUE(f1_.SetRtcpParams(rtc::SRTP_AES128_CM_SHA1_80, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_80, |
+ kTestKey2, kTestKeyLen)); |
+ EXPECT_TRUE(f2_.SetRtcpParams(rtc::SRTP_AES128_CM_SHA1_80, kTestKey2, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_80, |
+ kTestKey1, kTestKeyLen)); |
+ EXPECT_TRUE(f1_.IsActive()); |
+ EXPECT_TRUE(f2_.IsActive()); |
+#if defined(ENABLE_EXTERNAL_AUTH) |
+ EXPECT_TRUE(f1_.IsExternalAuthActive()); |
+ EXPECT_TRUE(f2_.IsExternalAuthActive()); |
+#endif |
+ TestProtectUnprotect(CS_AES_CM_128_HMAC_SHA1_80, CS_AES_CM_128_HMAC_SHA1_80); |
} |
// Test directly setting the params with AES_CM_128_HMAC_SHA1_32. |
-TEST_P(SrtpFilterProtectSetParamsDirectTest, Test_AES_CM_128_HMAC_SHA1_32) { |
- bool enable_external_auth = GetParam(); |
- TestProtectSetParamsDirect(enable_external_auth, rtc::SRTP_AES128_CM_SHA1_32, |
- kTestKey1, kTestKeyLen, kTestKey2, kTestKeyLen, |
- CS_AES_CM_128_HMAC_SHA1_32); |
+TEST_F(SrtpFilterTest, TestProtect_SetParamsDirect_AES_CM_128_HMAC_SHA1_32) { |
+ EXPECT_TRUE(f1_.SetRtpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey2, kTestKeyLen)); |
+ EXPECT_TRUE(f2_.SetRtpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey2, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey1, kTestKeyLen)); |
+ EXPECT_TRUE(f1_.SetRtcpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey2, kTestKeyLen)); |
+ EXPECT_TRUE(f2_.SetRtcpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey2, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey1, kTestKeyLen)); |
+ EXPECT_TRUE(f1_.IsActive()); |
+ EXPECT_TRUE(f2_.IsActive()); |
+#if defined(ENABLE_EXTERNAL_AUTH) |
+ EXPECT_TRUE(f1_.IsExternalAuthActive()); |
+ EXPECT_TRUE(f2_.IsExternalAuthActive()); |
+#endif |
+ TestProtectUnprotect(CS_AES_CM_128_HMAC_SHA1_32, CS_AES_CM_128_HMAC_SHA1_32); |
} |
// Test directly setting the params with SRTP_AEAD_AES_128_GCM. |
-TEST_P(SrtpFilterProtectSetParamsDirectTest, Test_SRTP_AEAD_AES_128_GCM) { |
- bool enable_external_auth = GetParam(); |
- TestProtectSetParamsDirect(enable_external_auth, rtc::SRTP_AEAD_AES_128_GCM, |
- kTestKeyGcm128_1, kTestKeyGcm128Len, kTestKeyGcm128_2, kTestKeyGcm128Len, |
- CS_AEAD_AES_128_GCM); |
+TEST_F(SrtpFilterTest, TestProtect_SetParamsDirect_SRTP_AEAD_AES_128_GCM) { |
+ EXPECT_TRUE(f1_.SetRtpParams(rtc::SRTP_AEAD_AES_128_GCM, kTestKeyGcm128_1, |
+ kTestKeyGcm128Len, rtc::SRTP_AEAD_AES_128_GCM, |
+ kTestKeyGcm128_2, kTestKeyGcm128Len)); |
+ EXPECT_TRUE(f2_.SetRtpParams(rtc::SRTP_AEAD_AES_128_GCM, kTestKeyGcm128_2, |
+ kTestKeyGcm128Len, rtc::SRTP_AEAD_AES_128_GCM, |
+ kTestKeyGcm128_1, kTestKeyGcm128Len)); |
+ EXPECT_TRUE(f1_.SetRtcpParams(rtc::SRTP_AEAD_AES_128_GCM, kTestKeyGcm128_1, |
+ kTestKeyGcm128Len, rtc::SRTP_AEAD_AES_128_GCM, |
+ kTestKeyGcm128_2, kTestKeyGcm128Len)); |
+ EXPECT_TRUE(f2_.SetRtcpParams(rtc::SRTP_AEAD_AES_128_GCM, kTestKeyGcm128_2, |
+ kTestKeyGcm128Len, rtc::SRTP_AEAD_AES_128_GCM, |
+ kTestKeyGcm128_1, kTestKeyGcm128Len)); |
+ EXPECT_TRUE(f1_.IsActive()); |
+ EXPECT_TRUE(f2_.IsActive()); |
+#if defined(ENABLE_EXTERNAL_AUTH) |
+ EXPECT_FALSE(f1_.IsExternalAuthActive()); |
+ EXPECT_FALSE(f2_.IsExternalAuthActive()); |
+#endif |
+ TestProtectUnprotect(CS_AEAD_AES_128_GCM, CS_AEAD_AES_128_GCM); |
} |
// Test directly setting the params with SRTP_AEAD_AES_256_GCM. |
-TEST_P(SrtpFilterProtectSetParamsDirectTest, Test_SRTP_AEAD_AES_256_GCM) { |
- bool enable_external_auth = GetParam(); |
- TestProtectSetParamsDirect(enable_external_auth, rtc::SRTP_AEAD_AES_256_GCM, |
- kTestKeyGcm256_1, kTestKeyGcm256Len, kTestKeyGcm256_2, kTestKeyGcm256Len, |
- CS_AEAD_AES_256_GCM); |
-} |
- |
-// Run all tests both with and without external auth enabled. |
-INSTANTIATE_TEST_CASE_P(ExternalAuth, |
- SrtpFilterProtectSetParamsDirectTest, |
- ::testing::Values(true, false)); |
+TEST_F(SrtpFilterTest, TestProtect_SetParamsDirect_SRTP_AEAD_AES_256_GCM) { |
+ EXPECT_TRUE(f1_.SetRtpParams(rtc::SRTP_AEAD_AES_256_GCM, kTestKeyGcm256_1, |
+ kTestKeyGcm256Len, rtc::SRTP_AEAD_AES_256_GCM, |
+ kTestKeyGcm256_2, kTestKeyGcm256Len)); |
+ EXPECT_TRUE(f2_.SetRtpParams(rtc::SRTP_AEAD_AES_256_GCM, kTestKeyGcm256_2, |
+ kTestKeyGcm256Len, rtc::SRTP_AEAD_AES_256_GCM, |
+ kTestKeyGcm256_1, kTestKeyGcm256Len)); |
+ EXPECT_TRUE(f1_.SetRtcpParams(rtc::SRTP_AEAD_AES_256_GCM, kTestKeyGcm256_1, |
+ kTestKeyGcm256Len, rtc::SRTP_AEAD_AES_256_GCM, |
+ kTestKeyGcm256_2, kTestKeyGcm256Len)); |
+ EXPECT_TRUE(f2_.SetRtcpParams(rtc::SRTP_AEAD_AES_256_GCM, kTestKeyGcm256_2, |
+ kTestKeyGcm256Len, rtc::SRTP_AEAD_AES_256_GCM, |
+ kTestKeyGcm256_1, kTestKeyGcm256Len)); |
+ EXPECT_TRUE(f1_.IsActive()); |
+ EXPECT_TRUE(f2_.IsActive()); |
+#if defined(ENABLE_EXTERNAL_AUTH) |
+ EXPECT_FALSE(f1_.IsExternalAuthActive()); |
+ EXPECT_FALSE(f2_.IsExternalAuthActive()); |
+#endif |
+ TestProtectUnprotect(CS_AEAD_AES_256_GCM, CS_AEAD_AES_256_GCM); |
+} |
// Test directly setting the params with bogus keys. |
TEST_F(SrtpFilterTest, TestSetParamsKeyTooShort) { |
@@ -657,6 +648,25 @@ |
kTestKeyLen - 1, rtc::SRTP_AES128_CM_SHA1_80, |
kTestKey1, kTestKeyLen - 1)); |
} |
+ |
+#if defined(ENABLE_EXTERNAL_AUTH) |
+TEST_F(SrtpFilterTest, TestGetSendAuthParams) { |
+ EXPECT_TRUE(f1_.SetRtpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey2, kTestKeyLen)); |
+ EXPECT_TRUE(f1_.SetRtcpParams(rtc::SRTP_AES128_CM_SHA1_32, kTestKey1, |
+ kTestKeyLen, rtc::SRTP_AES128_CM_SHA1_32, |
+ kTestKey2, kTestKeyLen)); |
+ // Non-GCM ciphers support external auth. |
+ EXPECT_TRUE(f1_.IsExternalAuthActive()); |
+ uint8_t* auth_key = NULL; |
+ int auth_key_len = 0, auth_tag_len = 0; |
+ EXPECT_TRUE(f1_.GetRtpAuthParams(&auth_key, &auth_key_len, &auth_tag_len)); |
+ EXPECT_TRUE(auth_key != NULL); |
+ EXPECT_EQ(20, auth_key_len); |
+ EXPECT_EQ(4, auth_tag_len); |
+} |
+#endif |
class SrtpSessionTest : public testing::Test { |
protected: |