| OLD | NEW |
| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/base/dns_util.h" | 5 #include "net/base/dns_util.h" |
| 6 #include "testing/gtest/include/gtest/gtest.h" | 6 #include "testing/gtest/include/gtest/gtest.h" |
| 7 | 7 |
| 8 namespace net { | 8 namespace net { |
| 9 | 9 |
| 10 class DNSUtilTest : public testing::Test { | 10 class DNSUtilTest : public testing::Test {}; |
| 11 }; | |
| 12 | 11 |
| 13 // IncludeNUL converts a char* to a std::string and includes the terminating | 12 // IncludeNUL converts a char* to a std::string and includes the terminating |
| 14 // NUL in the result. | 13 // NUL in the result. |
| 15 static std::string IncludeNUL(const char* in) { | 14 static std::string IncludeNUL(const char* in) { |
| 16 return std::string(in, strlen(in) + 1); | 15 return std::string(in, strlen(in) + 1); |
| 17 } | 16 } |
| 18 | 17 |
| 19 TEST_F(DNSUtilTest, DNSDomainFromDot) { | 18 TEST_F(DNSUtilTest, DNSDomainFromDot) { |
| 20 std::string out; | 19 std::string out; |
| 21 | 20 |
| 22 EXPECT_FALSE(DNSDomainFromDot("", &out)); | 21 EXPECT_FALSE(DNSDomainFromDot("", &out)); |
| 23 EXPECT_FALSE(DNSDomainFromDot(".", &out)); | 22 EXPECT_FALSE(DNSDomainFromDot(".", &out)); |
| 24 EXPECT_FALSE(DNSDomainFromDot("..", &out)); | 23 EXPECT_FALSE(DNSDomainFromDot("..", &out)); |
| 25 | 24 |
| 26 EXPECT_TRUE(DNSDomainFromDot("com", &out)); | 25 EXPECT_TRUE(DNSDomainFromDot("com", &out)); |
| 27 EXPECT_EQ(out, IncludeNUL("\003com")); | 26 EXPECT_EQ(out, IncludeNUL("\003com")); |
| 28 EXPECT_TRUE(DNSDomainFromDot("google.com", &out)); | 27 EXPECT_TRUE(DNSDomainFromDot("google.com", &out)); |
| 29 EXPECT_EQ(out, IncludeNUL("\x006google\003com")); | 28 EXPECT_EQ(out, IncludeNUL("\x006google\003com")); |
| 30 EXPECT_TRUE(DNSDomainFromDot("www.google.com", &out)); | 29 EXPECT_TRUE(DNSDomainFromDot("www.google.com", &out)); |
| 31 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); | 30 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); |
| 32 | 31 |
| 33 // Label is 63 chars: still valid | 32 // Label is 63 chars: still valid |
| 34 EXPECT_TRUE(DNSDomainFromDot("z23456789a123456789a123456789a123456789a12345678
9a123456789a123", &out)); | 33 EXPECT_TRUE(DNSDomainFromDot( |
| 35 EXPECT_EQ(out, IncludeNUL("\077z23456789a123456789a123456789a123456789a1234567
89a123456789a123")); | 34 "z23456789a123456789a123456789a123456789a123456789a123456789a123", &out)); |
| 35 EXPECT_EQ(out, |
| 36 IncludeNUL( |
| 37 "\077z23456789a123456789a123456789a123456789a123456789a12345678" |
| 38 "9a123")); |
| 36 | 39 |
| 37 // Label is too long: invalid | 40 // Label is too long: invalid |
| 38 EXPECT_FALSE(DNSDomainFromDot("123456789a123456789a123456789a123456789a1234567
89a123456789a1234", &out)); | 41 EXPECT_FALSE(DNSDomainFromDot( |
| 42 "123456789a123456789a123456789a123456789a123456789a123456789a1234", |
| 43 &out)); |
| 39 | 44 |
| 40 // 253 characters in the name: still valid | 45 // 253 characters in the name: still valid |
| 41 EXPECT_TRUE(DNSDomainFromDot("abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefgh
i.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefgh
i.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefgh
i.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abc", &out)); | 46 EXPECT_TRUE(DNSDomainFromDot( |
| 42 EXPECT_EQ(out, IncludeNUL("\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefgh
i\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\
011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\01
1abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011a
bcdefghi\011abcdefghi\011abcdefghi\003abc")); | 47 "abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi." |
| 48 "abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi." |
| 49 "abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi.abcdefghi." |
| 50 "abcdefghi.abcdefghi.abcdefghi.abcdefghi.abc", |
| 51 &out)); |
| 52 EXPECT_EQ(out, |
| 53 IncludeNUL( |
| 54 "\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdef" |
| 55 "ghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abc" |
| 56 "defghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011" |
| 57 "abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi" |
| 58 "\011abcdefghi\011abcdefghi\011abcdefghi\011abcdefghi\011abcdef" |
| 59 "ghi\011abcdefghi\003abc")); |
| 43 | 60 |
| 44 // 254 characters in the name: invalid | 61 // 254 characters in the name: invalid |
| 45 EXPECT_FALSE(DNSDomainFromDot("123456789.123456789.123456789.123456789.1234567
89.123456789.123456789.123456789.123456789.123456789.123456789.123456789.1234567
89.123456789.123456789.123456789.123456789.123456789.123456789.123456789.1234567
89.123456789.123456789.123456789.123456789.1234", &out)); | 62 EXPECT_FALSE(DNSDomainFromDot( |
| 63 "123456789.123456789.123456789.123456789.123456789.123456789.123456789." |
| 64 "123456789.123456789.123456789.123456789.123456789.123456789.123456789." |
| 65 "123456789.123456789.123456789.123456789.123456789.123456789.123456789." |
| 66 "123456789.123456789.123456789.123456789.1234", |
| 67 &out)); |
| 46 | 68 |
| 47 // Zero length labels should be dropped. | 69 // Zero length labels should be dropped. |
| 48 EXPECT_TRUE(DNSDomainFromDot("www.google.com.", &out)); | 70 EXPECT_TRUE(DNSDomainFromDot("www.google.com.", &out)); |
| 49 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); | 71 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); |
| 50 | 72 |
| 51 EXPECT_TRUE(DNSDomainFromDot(".google.com", &out)); | 73 EXPECT_TRUE(DNSDomainFromDot(".google.com", &out)); |
| 52 EXPECT_EQ(out, IncludeNUL("\006google\003com")); | 74 EXPECT_EQ(out, IncludeNUL("\006google\003com")); |
| 53 | 75 |
| 54 EXPECT_TRUE(DNSDomainFromDot("www..google.com", &out)); | 76 EXPECT_TRUE(DNSDomainFromDot("www..google.com", &out)); |
| 55 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); | 77 EXPECT_EQ(out, IncludeNUL("\003www\006google\003com")); |
| 56 } | 78 } |
| 57 | 79 |
| 58 TEST_F(DNSUtilTest, DNSDomainToString) { | 80 TEST_F(DNSUtilTest, DNSDomainToString) { |
| 59 EXPECT_EQ("", DNSDomainToString(IncludeNUL(""))); | 81 EXPECT_EQ("", DNSDomainToString(IncludeNUL(""))); |
| 60 EXPECT_EQ("foo", DNSDomainToString(IncludeNUL("\003foo"))); | 82 EXPECT_EQ("foo", DNSDomainToString(IncludeNUL("\003foo"))); |
| 61 EXPECT_EQ("foo.bar", DNSDomainToString(IncludeNUL("\003foo\003bar"))); | 83 EXPECT_EQ("foo.bar", DNSDomainToString(IncludeNUL("\003foo\003bar"))); |
| 62 EXPECT_EQ("foo.bar.uk", | 84 EXPECT_EQ("foo.bar.uk", |
| 63 DNSDomainToString(IncludeNUL("\003foo\003bar\002uk"))); | 85 DNSDomainToString(IncludeNUL("\003foo\003bar\002uk"))); |
| 64 | 86 |
| 65 // It should cope with a lack of root label. | 87 // It should cope with a lack of root label. |
| 66 EXPECT_EQ("foo.bar", DNSDomainToString("\003foo\003bar")); | 88 EXPECT_EQ("foo.bar", DNSDomainToString("\003foo\003bar")); |
| 67 | 89 |
| 68 // Invalid inputs should return an empty string. | 90 // Invalid inputs should return an empty string. |
| 69 EXPECT_EQ("", DNSDomainToString(IncludeNUL("\x80"))); | 91 EXPECT_EQ("", DNSDomainToString(IncludeNUL("\x80"))); |
| 70 EXPECT_EQ("", DNSDomainToString("\x06")); | 92 EXPECT_EQ("", DNSDomainToString("\x06")); |
| 71 } | 93 } |
| 72 | 94 |
| 73 } // namespace net | 95 } // namespace net |
| OLD | NEW |