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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "net/http2/decoder/payload_decoders/goaway_payload_decoder.h" |
| 6 |
| 7 #include <stddef.h> |
| 8 |
| 9 #include <string> |
| 10 |
| 11 #include "base/bind.h" |
| 12 #include "base/logging.h" |
| 13 #include "net/http2/decoder/frame_parts.h" |
| 14 #include "net/http2/decoder/frame_parts_collector.h" |
| 15 #include "net/http2/decoder/http2_frame_decoder_listener.h" |
| 16 #include "net/http2/decoder/payload_decoders/payload_decoder_base_test_util.h" |
| 17 #include "net/http2/http2_constants.h" |
| 18 #include "net/http2/http2_structures_test_util.h" |
| 19 #include "net/http2/tools/http2_frame_builder.h" |
| 20 #include "net/http2/tools/http2_random.h" |
| 21 #include "net/http2/tools/random_decoder_test.h" |
| 22 #include "testing/gtest/include/gtest/gtest.h" |
| 23 |
| 24 using std::string; |
| 25 |
| 26 namespace net { |
| 27 namespace test { |
| 28 |
| 29 class GoAwayPayloadDecoderPeer { |
| 30 public: |
| 31 static constexpr Http2FrameType FrameType() { return Http2FrameType::GOAWAY; } |
| 32 |
| 33 // Returns the mask of flags that affect the decoding of the payload (i.e. |
| 34 // flags that that indicate the presence of certain fields or padding). |
| 35 static constexpr uint8_t FlagsAffectingPayloadDecoding() { return 0; } |
| 36 |
| 37 static void Randomize(GoAwayPayloadDecoder* p, RandomBase* rng) { |
| 38 CorruptEnum(&p->payload_state_, rng); |
| 39 test::Randomize(&p->goaway_fields_, rng); |
| 40 VLOG(1) << "GoAwayPayloadDecoderPeer::Randomize goaway_fields: " |
| 41 << p->goaway_fields_; |
| 42 } |
| 43 }; |
| 44 |
| 45 namespace { |
| 46 |
| 47 struct Listener : public FramePartsCollector { |
| 48 void OnGoAwayStart(const Http2FrameHeader& header, |
| 49 const Http2GoAwayFields& goaway) override { |
| 50 VLOG(1) << "OnGoAwayStart header: " << header << "; goaway: " << goaway; |
| 51 StartFrame(header)->OnGoAwayStart(header, goaway); |
| 52 } |
| 53 |
| 54 void OnGoAwayOpaqueData(const char* data, size_t len) override { |
| 55 VLOG(1) << "OnGoAwayOpaqueData: len=" << len; |
| 56 CurrentFrame()->OnGoAwayOpaqueData(data, len); |
| 57 } |
| 58 |
| 59 void OnGoAwayEnd() override { |
| 60 VLOG(1) << "OnGoAwayEnd"; |
| 61 EndFrame()->OnGoAwayEnd(); |
| 62 } |
| 63 |
| 64 void OnFrameSizeError(const Http2FrameHeader& header) override { |
| 65 VLOG(1) << "OnFrameSizeError: " << header; |
| 66 FrameError(header)->OnFrameSizeError(header); |
| 67 } |
| 68 }; |
| 69 |
| 70 class GoAwayPayloadDecoderTest |
| 71 : public AbstractPayloadDecoderTest<GoAwayPayloadDecoder, |
| 72 GoAwayPayloadDecoderPeer, |
| 73 Listener> { |
| 74 public: |
| 75 static bool ApproveSizeForTruncated(size_t size) { |
| 76 return size != Http2GoAwayFields::EncodedSize(); |
| 77 } |
| 78 }; |
| 79 |
| 80 // Confirm we get an error if the payload is not long enough to hold |
| 81 // Http2GoAwayFields. |
| 82 TEST_F(GoAwayPayloadDecoderTest, Truncated) { |
| 83 Http2FrameBuilder fb; |
| 84 fb.Append(Http2GoAwayFields(123, Http2ErrorCode::ENHANCE_YOUR_CALM)); |
| 85 EXPECT_TRUE(VerifyDetectsFrameSizeError( |
| 86 0, fb.buffer(), |
| 87 base::Bind(&GoAwayPayloadDecoderTest::ApproveSizeForTruncated))); |
| 88 } |
| 89 |
| 90 class GoAwayOpaqueDataLengthTests |
| 91 : public GoAwayPayloadDecoderTest, |
| 92 public ::testing::WithParamInterface<uint32_t> { |
| 93 protected: |
| 94 GoAwayOpaqueDataLengthTests() : length_(GetParam()) { |
| 95 VLOG(1) << "################ length_=" << length_ << " ################"; |
| 96 } |
| 97 |
| 98 const uint32_t length_; |
| 99 }; |
| 100 |
| 101 INSTANTIATE_TEST_CASE_P(VariousLengths, |
| 102 GoAwayOpaqueDataLengthTests, |
| 103 ::testing::Values(0, 1, 2, 3, 4, 5, 6)); |
| 104 |
| 105 TEST_P(GoAwayOpaqueDataLengthTests, ValidLength) { |
| 106 Http2GoAwayFields goaway; |
| 107 Randomize(&goaway, RandomPtr()); |
| 108 string opaque_data = Random().RandString(length_); |
| 109 Http2FrameBuilder fb; |
| 110 fb.Append(goaway); |
| 111 fb.Append(opaque_data); |
| 112 Http2FrameHeader header(fb.size(), Http2FrameType::GOAWAY, RandFlags(), |
| 113 RandStreamId()); |
| 114 set_frame_header(header); |
| 115 FrameParts expected(header, opaque_data); |
| 116 expected.opt_goaway = goaway; |
| 117 ASSERT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected)); |
| 118 } |
| 119 |
| 120 } // namespace |
| 121 } // namespace test |
| 122 } // namespace net |
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