diff options
Diffstat (limited to 'security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc')
-rw-r--r-- | security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc | 104 |
1 files changed, 25 insertions, 79 deletions
diff --git a/security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc b/security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc index 1587b66de..99448321c 100644 --- a/security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc +++ b/security/nss/gtests/ssl_gtest/ssl_fuzz_unittest.cc @@ -27,7 +27,8 @@ class TlsFuzzTest : public ::testing::Test {}; // Record the application data stream. class TlsApplicationDataRecorder : public TlsRecordFilter { public: - TlsApplicationDataRecorder() : buffer_() {} + TlsApplicationDataRecorder(const std::shared_ptr<TlsAgent>& agent) + : TlsRecordFilter(agent), buffer_() {} virtual PacketFilter::Action FilterRecord(const TlsRecordHeader& header, const DataBuffer& input, @@ -47,9 +48,9 @@ class TlsApplicationDataRecorder : public TlsRecordFilter { // Ensure that ssl_Time() returns a constant value. FUZZ_F(TlsFuzzTest, SSL_Time_Constant) { - PRUint32 now = ssl_Time(); + PRUint32 now = ssl_TimeSec(); PR_Sleep(PR_SecondsToInterval(2)); - EXPECT_EQ(ssl_Time(), now); + EXPECT_EQ(ssl_TimeSec(), now); } // Check that due to the deterministic PRNG we derive @@ -106,16 +107,16 @@ FUZZ_P(TlsConnectGeneric, DeterministicTranscript) { DisableECDHEServerKeyReuse(); DataBuffer buffer; - client_->SetPacketFilter(std::make_shared<TlsConversationRecorder>(buffer)); - server_->SetPacketFilter(std::make_shared<TlsConversationRecorder>(buffer)); + MakeTlsFilter<TlsConversationRecorder>(client_, buffer); + MakeTlsFilter<TlsConversationRecorder>(server_, buffer); // Reset the RNG state. EXPECT_EQ(SECSuccess, RNG_RandomUpdate(NULL, 0)); Connect(); // Ensure the filters go away before |buffer| does. - client_->DeletePacketFilter(); - server_->DeletePacketFilter(); + client_->ClearFilter(); + server_->ClearFilter(); if (last.len() > 0) { EXPECT_EQ(last, buffer); @@ -133,10 +134,8 @@ FUZZ_P(TlsConnectGeneric, ConnectSendReceive_NullCipher) { EnsureTlsSetup(); // Set up app data filters. - auto client_recorder = std::make_shared<TlsApplicationDataRecorder>(); - client_->SetPacketFilter(client_recorder); - auto server_recorder = std::make_shared<TlsApplicationDataRecorder>(); - server_->SetPacketFilter(server_recorder); + auto client_recorder = MakeTlsFilter<TlsApplicationDataRecorder>(client_); + auto server_recorder = MakeTlsFilter<TlsApplicationDataRecorder>(server_); Connect(); @@ -161,10 +160,9 @@ FUZZ_P(TlsConnectGeneric, ConnectSendReceive_NullCipher) { FUZZ_P(TlsConnectGeneric, BogusClientFinished) { EnsureTlsSetup(); - auto i1 = std::make_shared<TlsInspectorReplaceHandshakeMessage>( - kTlsHandshakeFinished, + MakeTlsFilter<TlsInspectorReplaceHandshakeMessage>( + client_, kTlsHandshakeFinished, DataBuffer(kShortEmptyFinished, sizeof(kShortEmptyFinished))); - client_->SetPacketFilter(i1); Connect(); SendReceive(); } @@ -173,10 +171,9 @@ FUZZ_P(TlsConnectGeneric, BogusClientFinished) { FUZZ_P(TlsConnectGeneric, BogusServerFinished) { EnsureTlsSetup(); - auto i1 = std::make_shared<TlsInspectorReplaceHandshakeMessage>( - kTlsHandshakeFinished, + MakeTlsFilter<TlsInspectorReplaceHandshakeMessage>( + server_, kTlsHandshakeFinished, DataBuffer(kLongEmptyFinished, sizeof(kLongEmptyFinished))); - server_->SetPacketFilter(i1); Connect(); SendReceive(); } @@ -187,7 +184,7 @@ FUZZ_P(TlsConnectGeneric, BogusServerAuthSignature) { uint8_t msg_type = version_ == SSL_LIBRARY_VERSION_TLS_1_3 ? kTlsHandshakeCertificateVerify : kTlsHandshakeServerKeyExchange; - server_->SetPacketFilter(std::make_shared<TlsLastByteDamager>(msg_type)); + MakeTlsFilter<TlsLastByteDamager>(server_, msg_type); Connect(); SendReceive(); } @@ -197,8 +194,7 @@ FUZZ_P(TlsConnectGeneric, BogusClientAuthSignature) { EnsureTlsSetup(); client_->SetupClientAuth(); server_->RequestClientAuth(true); - client_->SetPacketFilter( - std::make_shared<TlsLastByteDamager>(kTlsHandshakeCertificateVerify)); + MakeTlsFilter<TlsLastByteDamager>(client_, kTlsHandshakeCertificateVerify); Connect(); } @@ -215,82 +211,32 @@ FUZZ_P(TlsConnectGeneric, SessionTicketResumption) { SendReceive(); } -class TlsSessionTicketMacDamager : public TlsExtensionFilter { - public: - TlsSessionTicketMacDamager() {} - virtual PacketFilter::Action FilterExtension(uint16_t extension_type, - const DataBuffer& input, - DataBuffer* output) { - if (extension_type != ssl_session_ticket_xtn && - extension_type != ssl_tls13_pre_shared_key_xtn) { - return KEEP; - } - - *output = input; - - // Handle everything before TLS 1.3. - if (extension_type == ssl_session_ticket_xtn) { - // Modify the last byte of the MAC. - output->data()[output->len() - 1] ^= 0xff; - } - - // Handle TLS 1.3. - if (extension_type == ssl_tls13_pre_shared_key_xtn) { - TlsParser parser(input); - - uint32_t ids_len; - EXPECT_TRUE(parser.Read(&ids_len, 2) && ids_len > 0); - - uint32_t ticket_len; - EXPECT_TRUE(parser.Read(&ticket_len, 2) && ticket_len > 0); - - // Modify the last byte of the MAC. - output->data()[2 + 2 + ticket_len - 1] ^= 0xff; - } - - return CHANGE; - } -}; - -// Check that session ticket resumption works with a bad MAC. -FUZZ_P(TlsConnectGeneric, SessionTicketResumptionBadMac) { - ConfigureSessionCache(RESUME_BOTH, RESUME_TICKET); - Connect(); - SendReceive(); - - Reset(); - ConfigureSessionCache(RESUME_BOTH, RESUME_TICKET); - ExpectResumption(RESUME_TICKET); - - client_->SetPacketFilter(std::make_shared<TlsSessionTicketMacDamager>()); - Connect(); - SendReceive(); -} - // Check that session tickets are not encrypted. FUZZ_P(TlsConnectGeneric, UnencryptedSessionTickets) { ConfigureSessionCache(RESUME_TICKET, RESUME_TICKET); - auto i1 = std::make_shared<TlsInspectorRecordHandshakeMessage>( - kTlsHandshakeNewSessionTicket); - server_->SetPacketFilter(i1); + auto filter = MakeTlsFilter<TlsHandshakeRecorder>( + server_, kTlsHandshakeNewSessionTicket); Connect(); + std::cerr << "ticket" << filter->buffer() << std::endl; size_t offset = 4; /* lifetime */ if (version_ == SSL_LIBRARY_VERSION_TLS_1_3) { - offset += 1 + 1 + /* ke_modes */ - 1 + 1; /* auth_modes */ + offset += 4; /* ticket_age_add */ + uint32_t nonce_len = 0; + EXPECT_TRUE(filter->buffer().Read(offset, 1, &nonce_len)); + offset += 1 + nonce_len; } offset += 2 + /* ticket length */ 2; /* TLS_EX_SESS_TICKET_VERSION */ // Check the protocol version number. uint32_t tls_version = 0; - EXPECT_TRUE(i1->buffer().Read(offset, sizeof(version_), &tls_version)); + EXPECT_TRUE(filter->buffer().Read(offset, sizeof(version_), &tls_version)); EXPECT_EQ(version_, static_cast<decltype(version_)>(tls_version)); // Check the cipher suite. uint32_t suite = 0; - EXPECT_TRUE(i1->buffer().Read(offset + sizeof(version_), 2, &suite)); + EXPECT_TRUE(filter->buffer().Read(offset + sizeof(version_), 2, &suite)); client_->CheckCipherSuite(static_cast<uint16_t>(suite)); } } |