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| 1 // Copyright (c) 2012 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/spdy/spdy_test_utils.h" | |
| 6 | |
| 7 #include <cstring> | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/base64.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "base/strings/string_number_conversions.h" | |
| 14 #include "base/sys_byteorder.h" | |
| 15 #include "net/http/transport_security_state.h" | |
| 16 #include "net/ssl/ssl_info.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 | |
| 19 namespace net { | |
| 20 | |
| 21 namespace test { | |
| 22 | |
| 23 std::string HexDumpWithMarks(const unsigned char* data, int length, | |
| 24 const bool* marks, int mark_length) { | |
| 25 static const char kHexChars[] = "0123456789abcdef"; | |
| 26 static const int kColumns = 4; | |
| 27 | |
| 28 const int kSizeLimit = 1024; | |
| 29 if (length > kSizeLimit || mark_length > kSizeLimit) { | |
| 30 LOG(ERROR) << "Only dumping first " << kSizeLimit << " bytes."; | |
| 31 length = std::min(length, kSizeLimit); | |
| 32 mark_length = std::min(mark_length, kSizeLimit); | |
| 33 } | |
| 34 | |
| 35 std::string hex; | |
| 36 for (const unsigned char* row = data; length > 0; | |
| 37 row += kColumns, length -= kColumns) { | |
| 38 for (const unsigned char *p = row; p < row + 4; ++p) { | |
| 39 if (p < row + length) { | |
| 40 const bool mark = | |
| 41 (marks && (p - data) < mark_length && marks[p - data]); | |
| 42 hex += mark ? '*' : ' '; | |
| 43 hex += kHexChars[(*p & 0xf0) >> 4]; | |
| 44 hex += kHexChars[*p & 0x0f]; | |
| 45 hex += mark ? '*' : ' '; | |
| 46 } else { | |
| 47 hex += " "; | |
| 48 } | |
| 49 } | |
| 50 hex = hex + " "; | |
| 51 | |
| 52 for (const unsigned char *p = row; p < row + 4 && p < row + length; ++p) | |
| 53 hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.'; | |
| 54 | |
| 55 hex = hex + '\n'; | |
| 56 } | |
| 57 return hex; | |
| 58 } | |
| 59 | |
| 60 void CompareCharArraysWithHexError( | |
| 61 const std::string& description, | |
| 62 const unsigned char* actual, | |
| 63 const int actual_len, | |
| 64 const unsigned char* expected, | |
| 65 const int expected_len) { | |
| 66 const int min_len = std::min(actual_len, expected_len); | |
| 67 const int max_len = std::max(actual_len, expected_len); | |
| 68 scoped_ptr<bool[]> marks(new bool[max_len]); | |
| 69 bool identical = (actual_len == expected_len); | |
| 70 for (int i = 0; i < min_len; ++i) { | |
| 71 if (actual[i] != expected[i]) { | |
| 72 marks[i] = true; | |
| 73 identical = false; | |
| 74 } else { | |
| 75 marks[i] = false; | |
| 76 } | |
| 77 } | |
| 78 for (int i = min_len; i < max_len; ++i) { | |
| 79 marks[i] = true; | |
| 80 } | |
| 81 if (identical) return; | |
| 82 ADD_FAILURE() | |
| 83 << "Description:\n" | |
| 84 << description | |
| 85 << "\n\nExpected:\n" | |
| 86 << HexDumpWithMarks(expected, expected_len, marks.get(), max_len) | |
| 87 << "\nActual:\n" | |
| 88 << HexDumpWithMarks(actual, actual_len, marks.get(), max_len); | |
| 89 } | |
| 90 | |
| 91 void SetFrameFlags(SpdyFrame* frame, | |
| 92 uint8 flags, | |
| 93 SpdyMajorVersion spdy_version) { | |
| 94 switch (spdy_version) { | |
| 95 case SPDY2: | |
| 96 case SPDY3: | |
| 97 case SPDY4: | |
| 98 frame->data()[4] = flags; | |
| 99 break; | |
| 100 default: | |
| 101 LOG(FATAL) << "Unsupported SPDY version."; | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 void SetFrameLength(SpdyFrame* frame, | |
| 106 size_t length, | |
| 107 SpdyMajorVersion spdy_version) { | |
| 108 switch (spdy_version) { | |
| 109 case SPDY2: | |
| 110 case SPDY3: | |
| 111 CHECK_EQ(0u, length & ~kLengthMask); | |
| 112 { | |
| 113 int32 wire_length = base::HostToNet32(length); | |
| 114 // The length field in SPDY 2 and 3 is a 24-bit (3B) integer starting at | |
| 115 // offset 5. | |
| 116 memcpy(frame->data() + 5, reinterpret_cast<char*>(&wire_length) + 1, 3); | |
| 117 } | |
| 118 break; | |
| 119 case SPDY4: | |
| 120 CHECK_GT(1u<<14, length); | |
| 121 { | |
| 122 int32 wire_length = base::HostToNet32(length); | |
| 123 memcpy(frame->data(), | |
| 124 reinterpret_cast<char*>(&wire_length) + 1, | |
| 125 3); | |
| 126 } | |
| 127 break; | |
| 128 default: | |
| 129 LOG(FATAL) << "Unsupported SPDY version."; | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 std::string a2b_hex(const char* hex_data) { | |
| 134 std::vector<uint8> output; | |
| 135 std::string result; | |
| 136 if (base::HexStringToBytes(hex_data, &output)) | |
| 137 result.assign(reinterpret_cast<const char*>(&output[0]), output.size()); | |
| 138 return result; | |
| 139 } | |
| 140 | |
| 141 HashValue GetTestHashValue(uint8_t label) { | |
| 142 HashValue hash_value(HASH_VALUE_SHA256); | |
| 143 memset(hash_value.data(), label, hash_value.size()); | |
| 144 return hash_value; | |
| 145 } | |
| 146 | |
| 147 std::string GetTestPin(uint8_t label) { | |
| 148 HashValue hash_value = GetTestHashValue(label); | |
| 149 std::string base64; | |
| 150 base::Base64Encode(base::StringPiece( | |
| 151 reinterpret_cast<char*>(hash_value.data()), hash_value.size()), &base64); | |
| 152 | |
| 153 return std::string("pin-sha256=\"") + base64 + "\""; | |
| 154 } | |
| 155 | |
| 156 void AddPin(TransportSecurityState* state, | |
| 157 const std::string& host, | |
| 158 uint8_t primary_label, | |
| 159 uint8_t backup_label) { | |
| 160 std::string primary_pin = GetTestPin(primary_label); | |
| 161 std::string backup_pin = GetTestPin(backup_label); | |
| 162 std::string header = "max-age = 10000; " + primary_pin + "; " + backup_pin; | |
| 163 | |
| 164 // Construct a fake SSLInfo that will pass AddHPKPHeader's checks. | |
| 165 SSLInfo ssl_info; | |
| 166 ssl_info.is_issued_by_known_root = true; | |
| 167 ssl_info.public_key_hashes.push_back(GetTestHashValue(primary_label)); | |
| 168 EXPECT_TRUE(state->AddHPKPHeader(host, header, ssl_info)); | |
| 169 } | |
| 170 | |
| 171 } // namespace test | |
| 172 | |
| 173 } // namespace net | |
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