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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_api.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_TEST bool DNSDomainFromDot(const std::string& dotted, std::string* out); | 22 NET_EXPORT_PRIVATE bool DNSDomainFromDot(const std::string& dotted, |
| 23 std::string* out); |
| 23 | 24 |
| 24 // DNSDomainToString coverts a domain in DNS format to a dotted string. | 25 // DNSDomainToString coverts a domain in DNS format to a dotted string. |
| 25 NET_TEST std::string DNSDomainToString(const std::string& domain); | 26 NET_EXPORT_PRIVATE std::string DNSDomainToString(const std::string& domain); |
| 26 | 27 |
| 27 // Returns true iff the given character is in the set of valid DNS label | 28 // Returns true iff the given character is in the set of valid DNS label |
| 28 // characters as given in RFC 3490, 4.1, 3(a) | 29 // characters as given in RFC 3490, 4.1, 3(a) |
| 29 NET_TEST bool IsSTD3ASCIIValidCharacter(char c); | 30 NET_EXPORT_PRIVATE bool IsSTD3ASCIIValidCharacter(char c); |
| 30 | 31 |
| 31 // Returns the hostname by trimming the ending dot, if one exists. | 32 // Returns the hostname by trimming the ending dot, if one exists. |
| 32 NET_API std::string TrimEndingDot(const std::string& host); | 33 NET_EXPORT std::string TrimEndingDot(const std::string& host); |
| 33 | 34 |
| 34 // DNS class types. | 35 // DNS class types. |
| 35 static const uint16 kClassIN = 1; | 36 static const uint16 kClassIN = 1; |
| 36 | 37 |
| 37 // DNS resource record types. See | 38 // DNS resource record types. See |
| 38 // http://www.iana.org/assignments/dns-parameters | 39 // http://www.iana.org/assignments/dns-parameters |
| 39 // WARNING: if you're adding any new values here you may need to add them to | 40 // WARNING: if you're adding any new values here you may need to add them to |
| 40 // dnsrr_resolver.cc:DnsRRIsParsedByWindows. | 41 // dnsrr_resolver.cc:DnsRRIsParsedByWindows. |
| 41 static const uint16 kDNS_A = 1; | 42 static const uint16 kDNS_A = 1; |
| 42 static const uint16 kDNS_CNAME = 5; | 43 static const uint16 kDNS_CNAME = 5; |
| (...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 86 unsigned len_; | 87 unsigned len_; |
| 87 const unsigned packet_len_; | 88 const unsigned packet_len_; |
| 88 | 89 |
| 89 DISALLOW_COPY_AND_ASSIGN(DnsResponseBuffer); | 90 DISALLOW_COPY_AND_ASSIGN(DnsResponseBuffer); |
| 90 }; | 91 }; |
| 91 | 92 |
| 92 | 93 |
| 93 } // namespace net | 94 } // namespace net |
| 94 | 95 |
| 95 #endif // NET_BASE_DNS_UTIL_H_ | 96 #endif // NET_BASE_DNS_UTIL_H_ |
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