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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 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 | 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 #ifndef NET_BASE_DNS_UTIL_H_ | 5 #ifndef NET_BASE_DNS_UTIL_H_ |
6 #define NET_BASE_DNS_UTIL_H_ | 6 #define NET_BASE_DNS_UTIL_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/string_piece.h" | 12 #include "base/string_piece.h" |
13 #include "net/base/net_export.h" | 13 #include "net/base/net_export.h" |
14 | 14 |
15 namespace net { | 15 namespace net { |
16 | 16 |
17 // DNSDomainFromDot - convert a domain string to DNS format. From DJB's | 17 // DNSDomainFromDot - convert a domain string to DNS format. From DJB's |
18 // public domain DNS library. | 18 // public domain DNS library. |
19 // | 19 // |
20 // dotted: a string in dotted form: "www.google.com" | 20 // dotted: a string in dotted form: "www.google.com" |
21 // out: a result in DNS form: "\x03www\x06google\x03com\x00" | 21 // out: a result in DNS form: "\x03www\x06google\x03com\x00" |
22 NET_EXPORT_PRIVATE bool DNSDomainFromDot(const base::StringPiece& dotted, | 22 NET_EXPORT_PRIVATE bool DNSDomainFromDot(const base::StringPiece& dotted, |
23 std::string* out); | 23 std::string* out); |
24 | 24 |
25 // DNSDomainToString coverts a domain in DNS format to a dotted string. | 25 // DNSDomainToString converts a domain in DNS format to a dotted string. |
| 26 // Excludes the dot at the end. |
26 NET_EXPORT_PRIVATE std::string DNSDomainToString( | 27 NET_EXPORT_PRIVATE std::string DNSDomainToString( |
27 const base::StringPiece& domain); | 28 const base::StringPiece& domain); |
28 | 29 |
29 // Returns true iff the given character is in the set of valid DNS label | 30 // Returns true iff the given character is in the set of valid DNS label |
30 // characters as given in RFC 3490, 4.1, 3(a) | 31 // characters as given in RFC 3490, 4.1, 3(a) |
31 NET_EXPORT_PRIVATE bool IsSTD3ASCIIValidCharacter(char c); | 32 NET_EXPORT_PRIVATE bool IsSTD3ASCIIValidCharacter(char c); |
32 | 33 |
33 // Returns the hostname by trimming the ending dot, if one exists. | 34 // Returns the hostname by trimming the ending dot, if one exists. |
34 NET_EXPORT std::string TrimEndingDot(const base::StringPiece& host); | 35 NET_EXPORT std::string TrimEndingDot(const base::StringPiece& host); |
35 | 36 |
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54 static const uint8 kDNSSEC_RSA_SHA1_NSEC3 = 7; | 55 static const uint8 kDNSSEC_RSA_SHA1_NSEC3 = 7; |
55 static const uint8 kDNSSEC_RSA_SHA256 = 8; | 56 static const uint8 kDNSSEC_RSA_SHA256 = 8; |
56 | 57 |
57 // RFC 4509 | 58 // RFC 4509 |
58 static const uint8 kDNSSEC_SHA1 = 1; | 59 static const uint8 kDNSSEC_SHA1 = 1; |
59 static const uint8 kDNSSEC_SHA256 = 2; | 60 static const uint8 kDNSSEC_SHA256 = 2; |
60 | 61 |
61 } // namespace net | 62 } // namespace net |
62 | 63 |
63 #endif // NET_BASE_DNS_UTIL_H_ | 64 #endif // NET_BASE_DNS_UTIL_H_ |
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