| /* |
| * Copyright 2024 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "p2p/dtls/dtls_utils.h" |
| |
| #include <cstdint> |
| #include <optional> |
| #include <vector> |
| |
| #include "test/gmock.h" |
| #include "test/gtest.h" |
| |
| namespace cricket { |
| |
| TEST(DtlsUtils, GetDtlsHandshakeAcksRejectsTooShort) { |
| std::vector<uint8_t> packet = { |
| 0x16, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0xde, 0xad // Length given but bytes not present. |
| }; |
| EXPECT_FALSE(GetDtlsHandshakeAcks(packet)); |
| } |
| |
| TEST(DtlsUtils, GetDtlsHandshakeAcksRejectsInvalidContent) { |
| std::vector<uint8_t> packet = {0x16, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| // Correct length given but data is garbage. |
| 0x04, 0xde, 0xad, 0xbe, 0xef}; |
| EXPECT_FALSE(GetDtlsHandshakeAcks(packet)); |
| } |
| |
| TEST(DtlsUtils, GetDtlsHandshakeAcksRejectsTrailingData) { |
| std::vector<uint8_t> packet = { |
| 0x16, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x0c, 0x0e, 0x00, 0x00, 0x00, 0x00, |
| 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Server hello done. |
| 0xde, 0xad, 0xbe, 0xef // Trailing data. |
| }; |
| EXPECT_FALSE(GetDtlsHandshakeAcks(packet)); |
| } |
| |
| TEST(DtlsUtils, GetDtlsHandshakeAcksBasic) { |
| std::vector<uint8_t> packet = { |
| 0x16, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x0c, 0x0e, 0x00, 0x00, 0x00, 0x00, |
| 0xac, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Server hello done. |
| }; |
| std::optional<std::vector<uint16_t>> acks = GetDtlsHandshakeAcks(packet); |
| ASSERT_TRUE(acks); |
| EXPECT_EQ(acks->size(), 1u); |
| EXPECT_THAT(*acks, ::testing::ElementsAreArray({0xac})); |
| } |
| |
| TEST(DtlsUtils, GetDtlsHandshakeAcksPackedRecords) { |
| // Flight two from server to client but with fragment packing per |
| // https://boringssl.googlesource.com/boringssl/+/5245371a08528f7fb21ab20bd7a479d8e395b61c |
| std::vector<uint8_t> packet = { |
| 0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, |
| 0x43, 0x02, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x60, 0xfe, 0xfd, 0x67, 0x2a, 0x87, 0x84, 0xf8, 0xe5, 0xbc, 0xe5, 0xd1, |
| 0x2b, 0xfe, 0x53, 0x20, 0xd2, 0xd4, 0x53, 0xa5, 0xbe, 0xd8, 0x38, 0x58, |
| 0x91, 0xdf, 0x76, 0x21, 0x81, 0x60, 0x7c, 0x6d, 0x8c, 0xdb, 0x93, 0x20, |
| 0x91, 0xc8, 0xf6, 0x9c, 0xaa, 0xbe, 0x79, 0xa3, 0x28, 0xa6, 0x84, 0xc9, |
| 0xfa, 0xee, 0x59, 0x22, 0x5d, 0xe2, 0x11, 0x28, 0xf4, 0x80, 0xd6, 0x1a, |
| 0x3a, 0xb5, 0x3d, 0xb6, 0x61, 0x74, 0xb6, 0x1d, 0xc0, 0x2b, 0x00, 0x00, |
| 0x18, 0x00, 0x17, 0x00, 0x00, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0b, |
| 0x00, 0x02, 0x01, 0x00, 0x00, 0x0e, 0x00, 0x05, 0x00, 0x02, 0x00, 0x01, |
| 0x00, 0x0b, 0x00, 0x01, 0x1f, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x1f, 0x00, 0x01, 0x1c, 0x00, 0x01, 0x19, 0x30, 0x82, 0x01, 0x15, 0x30, |
| 0x81, 0xbd, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x09, 0x00, 0x9d, 0x2a, |
| 0x69, 0x9b, 0x1d, 0x5a, 0x38, 0xe5, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, |
| 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x11, 0x31, 0x0f, 0x30, 0x0d, |
| 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x06, 0x57, 0x65, 0x62, 0x52, 0x54, |
| 0x43, 0x30, 0x1e, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x31, 0x30, 0x34, 0x32, |
| 0x31, 0x30, 0x30, 0x35, 0x31, 0x5a, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x32, |
| 0x30, 0x35, 0x32, 0x31, 0x30, 0x30, 0x35, 0x31, 0x5a, 0x30, 0x11, 0x31, |
| 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x06, 0x57, 0x65, |
| 0x62, 0x52, 0x54, 0x43, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, |
| 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, |
| 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x1e, 0xd8, 0xad, 0x96, 0x82, |
| 0xd0, 0xfb, 0xc8, 0xaa, 0xff, 0x84, 0x40, 0x84, 0xfc, 0x1e, 0x4a, 0xfd, |
| 0x8b, 0xfc, 0x13, 0xbb, 0xee, 0x93, 0xea, 0x91, 0x55, 0x61, 0x7d, 0xc3, |
| 0x96, 0x66, 0x38, 0x6d, 0x51, 0x59, 0x57, 0xbd, 0xc3, 0xd2, 0x03, 0xf4, |
| 0xde, 0x48, 0x3f, 0x61, 0x5e, 0x59, 0x2b, 0xfa, 0xfe, 0x68, 0xc0, 0x98, |
| 0xa3, 0x33, 0xe7, 0xd6, 0xb4, 0x0e, 0xbe, 0x56, 0x48, 0x50, 0x4b, 0x30, |
| 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, |
| 0x47, 0x00, 0x30, 0x44, 0x02, 0x20, 0x4d, 0xff, 0x9f, 0xf3, 0xc4, 0x08, |
| 0x15, 0xe0, 0xdd, 0x76, 0x64, 0x0d, 0x50, 0x42, 0x30, 0xbb, 0xf7, 0xca, |
| 0x78, 0xff, 0xe7, 0x86, 0x05, 0x0f, 0x23, 0x6e, 0xd2, 0x69, 0xd3, 0xc5, |
| 0xbd, 0xaa, 0x02, 0x20, 0x43, 0x71, 0x52, 0x2f, 0x74, 0x25, 0x78, 0xcd, |
| 0x62, 0x62, 0x62, 0x0b, 0xbf, 0x76, 0x35, 0xe1, 0xfe, 0x8c, 0x03, 0x6b, |
| 0x56, 0xb8, 0x96, 0x1f, 0xb1, 0x3a, 0x9f, 0xd9, 0x78, 0x05, 0x66, 0xa7, |
| 0x0c, 0x00, 0x00, 0x6f, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, |
| 0x03, 0x00, 0x1d, 0x20, 0xf5, 0x50, 0xad, 0x14, 0x55, 0xd1, 0xbc, 0x82, |
| 0xa8, 0xb0, 0x2b, 0x81, 0x3d, 0x18, 0xf4, 0xba, 0x11, 0x54, 0xbb, 0x24, |
| 0x8b, 0x07, 0xa7, 0x17, 0xf1, 0x33, 0xca, 0x45, 0xc0, 0x6a, 0x16, 0x0a, |
| 0x04, 0x03, 0x00, 0x47, 0x30, 0x45, 0x02, 0x21, 0x00, 0xad, 0xb6, 0x59, |
| 0x0c, 0xe0, 0x56, 0x42, 0xb8, 0x9f, 0x40, 0x43, 0xd3, 0x7f, 0x9f, 0xa0, |
| 0x1d, 0xbc, 0x78, 0xf5, 0xc3, 0x38, 0x99, 0x02, 0xde, 0x11, 0x85, 0x0f, |
| 0x50, 0xd6, 0x5b, 0x82, 0x7c, 0x02, 0x20, 0x57, 0x2e, 0x0a, 0x82, 0xf7, |
| 0x14, 0xb6, 0xd6, 0xb2, 0x4b, 0xd7, 0x1a, 0xd6, 0x1b, 0xc2, 0xf6, 0xc2, |
| 0x4f, 0x3f, 0xe2, 0x8a, 0x06, 0x97, 0xf3, 0x84, 0xc8, 0x60, 0xf1, 0xab, |
| 0x2d, 0x29, 0xaf, 0x0d, 0x00, 0x00, 0x19, 0x00, 0x03, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x19, 0x02, 0x01, 0x40, 0x00, 0x12, 0x04, 0x03, 0x08, 0x04, |
| 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08, 0x06, 0x06, 0x01, |
| 0x02, 0x01, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| |
| std::optional<std::vector<uint16_t>> acks = GetDtlsHandshakeAcks(packet); |
| ASSERT_TRUE(acks); |
| EXPECT_EQ(acks->size(), 5u); |
| EXPECT_THAT(*acks, ::testing::ElementsAreArray({0, 1, 2, 3, 4})); |
| |
| std::vector<uint8_t> packet2 = { |
| 0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x6c, 0x02, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x60, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0xb2, 0xeb, 0x05, 0xc9, 0xba, |
| 0x39, 0xd0, 0xf6, 0x4b, 0xc9, 0x7e, 0xee, 0x57, 0xfc, 0x2b, 0x90, 0x93, |
| 0x09, 0xfd, 0x05, 0x80, 0xb3, 0xf5, 0xfc, 0x06, 0x68, 0x38, 0xa8, 0x20, |
| 0x42, 0x1d, 0x78, 0xe1, 0x97, 0x73, 0x55, 0x0a, 0x16, 0x2d, 0xc1, 0x3e, |
| 0x4f, 0x71, 0x55, 0xb4, 0x9f, 0xf8, 0x61, 0xe1, 0xbd, 0xe3, 0xf2, 0x2e, |
| 0x40, 0x29, 0x30, 0x58, 0x37, 0x26, 0x0d, 0xe8, 0xc0, 0x2b, 0x00, 0x00, |
| 0x18, 0x00, 0x17, 0x00, 0x00, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x0b, |
| 0x00, 0x02, 0x01, 0x00, 0x00, 0x0e, 0x00, 0x05, 0x00, 0x02, 0x00, 0x01, |
| 0x00, 0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x01, 0x28, 0x0b, 0x00, 0x01, 0x1c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x01, 0x1c, 0x00, 0x01, 0x19, 0x00, 0x01, 0x16, 0x30, 0x82, 0x01, 0x12, |
| 0x30, 0x81, 0xb8, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x15, 0xc9, |
| 0xcc, 0xd0, 0x55, 0x57, 0xa2, 0x32, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, |
| 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x0f, 0x31, 0x0d, 0x30, 0x0b, |
| 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x04, 0x74, 0x65, 0x73, 0x74, 0x30, |
| 0x1e, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x31, 0x30, 0x35, 0x32, 0x30, 0x35, |
| 0x33, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32, 0x34, 0x31, 0x32, 0x30, 0x36, |
| 0x32, 0x30, 0x35, 0x33, 0x34, 0x38, 0x5a, 0x30, 0x0f, 0x31, 0x0d, 0x30, |
| 0x0b, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x04, 0x74, 0x65, 0x73, 0x74, |
| 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, |
| 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, |
| 0x42, 0x00, 0x04, 0x8f, 0x43, 0xeb, 0x7b, 0x88, 0x73, 0x4f, 0xe7, 0x69, |
| 0x06, 0x81, 0xb6, 0xb9, 0xf3, 0xca, 0x73, 0x32, 0x69, 0xb2, 0xc5, 0xe6, |
| 0x4e, 0xf0, 0x8c, 0xf4, 0xdd, 0x4e, 0x5b, 0xea, 0x06, 0x52, 0x94, 0x9a, |
| 0x12, 0x77, 0x11, 0xde, 0xf9, 0x12, 0x9a, 0xeb, 0x3c, 0x7c, 0xe4, 0xcf, |
| 0x58, 0x4c, 0x74, 0x44, 0x84, 0x0a, 0x84, 0xeb, 0xe6, 0xa4, 0xd5, 0xd3, |
| 0x06, 0xca, 0x52, 0x15, 0x7e, 0xeb, 0x19, 0x30, 0x0a, 0x06, 0x08, 0x2a, |
| 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x49, 0x00, 0x30, 0x46, |
| 0x02, 0x21, 0x00, 0xab, 0xc7, 0x06, 0x7e, 0x36, 0x9b, 0xad, 0xe0, 0x26, |
| 0x61, 0x6b, 0x59, 0xa0, 0x1c, 0x70, 0x0c, 0xa6, 0xd3, 0xff, 0x8a, 0xc7, |
| 0xba, 0xe4, 0x23, 0x0a, 0x8b, 0x22, 0x82, 0xcd, 0x5a, 0x5c, 0x56, 0x02, |
| 0x21, 0x00, 0xc7, 0xe8, 0x57, 0x04, 0xb5, 0x44, 0x69, 0x42, 0xa2, 0xa2, |
| 0x1e, 0xde, 0x7f, 0xc4, 0x44, 0x98, 0xa4, 0x5c, 0x84, 0x41, 0xa1, 0x31, |
| 0x38, 0x3c, 0xe5, 0x4f, 0xf5, 0xc0, 0xa9, 0xa8, 0xbc, 0x16, 0x16, 0xfe, |
| 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x7a, 0x0c, |
| 0x00, 0x00, 0x6e, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6e, 0x03, |
| 0x00, 0x1d, 0x20, 0x89, 0xb9, 0xeb, 0x39, 0x29, 0xa0, 0x31, 0x08, 0x9a, |
| 0xbf, 0xc3, 0xc0, 0x20, 0x60, 0xbb, 0xea, 0x73, 0x19, 0xcf, 0x63, 0xe4, |
| 0x5a, 0xa8, 0xa9, 0x56, 0x77, 0xe8, 0x81, 0x48, 0xae, 0x9f, 0x34, 0x04, |
| 0x03, 0x00, 0x46, 0x30, 0x44, 0x02, 0x20, 0x23, 0x34, 0xc6, 0x39, 0x94, |
| 0x84, 0xcc, 0x67, 0xeb, 0x44, 0xf9, 0xc3, 0x5c, 0x52, 0xb3, 0x99, 0x52, |
| 0xf7, 0x4f, 0xff, 0x8b, 0xc5, 0xea, 0xb5, 0xd0, 0xf9, 0x36, 0xb3, 0xe6, |
| 0xfc, 0x37, 0x50, 0x02, 0x20, 0x4c, 0xe2, 0x29, 0xf5, 0x4a, 0x4c, 0x7a, |
| 0x01, 0x37, 0xce, 0xc1, 0xb0, 0x15, 0x23, 0xfd, 0xa5, 0xd9, 0xac, 0x75, |
| 0xcb, 0x55, 0x56, 0x99, 0x97, 0xe3, 0x13, 0xbd, 0x5b, 0xcc, 0x5d, 0x0c, |
| 0xa8, 0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, |
| 0x00, 0x25, 0x0d, 0x00, 0x00, 0x19, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x19, 0x02, 0x01, 0x40, 0x00, 0x12, 0x04, 0x03, 0x08, 0x04, 0x04, |
| 0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08, 0x06, 0x06, 0x01, 0x02, |
| 0x01, 0x00, 0x00, 0x16, 0xfe, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x04, 0x00, 0x0c, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| |
| std::optional<std::vector<uint16_t>> acks2 = GetDtlsHandshakeAcks(packet2); |
| ASSERT_TRUE(acks2); |
| EXPECT_EQ(acks2->size(), 5u); |
| EXPECT_THAT(*acks2, ::testing::ElementsAreArray({0, 1, 2, 3, 4})); |
| } |
| |
| } // namespace cricket |
