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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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_DNS_RECORD_RDATA_H_ | 5 #ifndef NET_DNS_RECORD_RDATA_H_ |
| 6 #define NET_DNS_RECORD_RDATA_H_ | 6 #define NET_DNS_RECORD_RDATA_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| (...skipping 30 matching lines...) Expand all Loading... |
| 41 // 2 bytes network-order unsigned port | 41 // 2 bytes network-order unsigned port |
| 42 // target: domain name (on-the-wire representation) | 42 // target: domain name (on-the-wire representation) |
| 43 class NET_EXPORT_PRIVATE SrvRecordRdata : public RecordRdata { | 43 class NET_EXPORT_PRIVATE SrvRecordRdata : public RecordRdata { |
| 44 public: | 44 public: |
| 45 static const uint16 kType = dns_protocol::kTypeSRV; | 45 static const uint16 kType = dns_protocol::kTypeSRV; |
| 46 | 46 |
| 47 virtual ~SrvRecordRdata(); | 47 virtual ~SrvRecordRdata(); |
| 48 static scoped_ptr<SrvRecordRdata> Create(const base::StringPiece& data, | 48 static scoped_ptr<SrvRecordRdata> Create(const base::StringPiece& data, |
| 49 const DnsRecordParser& parser); | 49 const DnsRecordParser& parser); |
| 50 | 50 |
| 51 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 51 virtual bool IsEqual(const RecordRdata* other) const override; |
| 52 virtual uint16 Type() const OVERRIDE; | 52 virtual uint16 Type() const override; |
| 53 | 53 |
| 54 uint16 priority() const { return priority_; } | 54 uint16 priority() const { return priority_; } |
| 55 uint16 weight() const { return weight_; } | 55 uint16 weight() const { return weight_; } |
| 56 uint16 port() const { return port_; } | 56 uint16 port() const { return port_; } |
| 57 | 57 |
| 58 const std::string& target() const { return target_; } | 58 const std::string& target() const { return target_; } |
| 59 | 59 |
| 60 private: | 60 private: |
| 61 SrvRecordRdata(); | 61 SrvRecordRdata(); |
| 62 | 62 |
| 63 uint16 priority_; | 63 uint16 priority_; |
| 64 uint16 weight_; | 64 uint16 weight_; |
| 65 uint16 port_; | 65 uint16 port_; |
| 66 | 66 |
| 67 std::string target_; | 67 std::string target_; |
| 68 | 68 |
| 69 DISALLOW_COPY_AND_ASSIGN(SrvRecordRdata); | 69 DISALLOW_COPY_AND_ASSIGN(SrvRecordRdata); |
| 70 }; | 70 }; |
| 71 | 71 |
| 72 // A Record format (http://www.ietf.org/rfc/rfc1035.txt): | 72 // A Record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 73 // 4 bytes for IP address. | 73 // 4 bytes for IP address. |
| 74 class NET_EXPORT_PRIVATE ARecordRdata : public RecordRdata { | 74 class NET_EXPORT_PRIVATE ARecordRdata : public RecordRdata { |
| 75 public: | 75 public: |
| 76 static const uint16 kType = dns_protocol::kTypeA; | 76 static const uint16 kType = dns_protocol::kTypeA; |
| 77 | 77 |
| 78 virtual ~ARecordRdata(); | 78 virtual ~ARecordRdata(); |
| 79 static scoped_ptr<ARecordRdata> Create(const base::StringPiece& data, | 79 static scoped_ptr<ARecordRdata> Create(const base::StringPiece& data, |
| 80 const DnsRecordParser& parser); | 80 const DnsRecordParser& parser); |
| 81 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 81 virtual bool IsEqual(const RecordRdata* other) const override; |
| 82 virtual uint16 Type() const OVERRIDE; | 82 virtual uint16 Type() const override; |
| 83 | 83 |
| 84 const IPAddressNumber& address() const { return address_; } | 84 const IPAddressNumber& address() const { return address_; } |
| 85 | 85 |
| 86 private: | 86 private: |
| 87 ARecordRdata(); | 87 ARecordRdata(); |
| 88 | 88 |
| 89 IPAddressNumber address_; | 89 IPAddressNumber address_; |
| 90 | 90 |
| 91 DISALLOW_COPY_AND_ASSIGN(ARecordRdata); | 91 DISALLOW_COPY_AND_ASSIGN(ARecordRdata); |
| 92 }; | 92 }; |
| 93 | 93 |
| 94 // AAAA Record format (http://www.ietf.org/rfc/rfc1035.txt): | 94 // AAAA Record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 95 // 16 bytes for IP address. | 95 // 16 bytes for IP address. |
| 96 class NET_EXPORT_PRIVATE AAAARecordRdata : public RecordRdata { | 96 class NET_EXPORT_PRIVATE AAAARecordRdata : public RecordRdata { |
| 97 public: | 97 public: |
| 98 static const uint16 kType = dns_protocol::kTypeAAAA; | 98 static const uint16 kType = dns_protocol::kTypeAAAA; |
| 99 | 99 |
| 100 virtual ~AAAARecordRdata(); | 100 virtual ~AAAARecordRdata(); |
| 101 static scoped_ptr<AAAARecordRdata> Create(const base::StringPiece& data, | 101 static scoped_ptr<AAAARecordRdata> Create(const base::StringPiece& data, |
| 102 const DnsRecordParser& parser); | 102 const DnsRecordParser& parser); |
| 103 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 103 virtual bool IsEqual(const RecordRdata* other) const override; |
| 104 virtual uint16 Type() const OVERRIDE; | 104 virtual uint16 Type() const override; |
| 105 | 105 |
| 106 const IPAddressNumber& address() const { return address_; } | 106 const IPAddressNumber& address() const { return address_; } |
| 107 | 107 |
| 108 private: | 108 private: |
| 109 AAAARecordRdata(); | 109 AAAARecordRdata(); |
| 110 | 110 |
| 111 IPAddressNumber address_; | 111 IPAddressNumber address_; |
| 112 | 112 |
| 113 DISALLOW_COPY_AND_ASSIGN(AAAARecordRdata); | 113 DISALLOW_COPY_AND_ASSIGN(AAAARecordRdata); |
| 114 }; | 114 }; |
| 115 | 115 |
| 116 // CNAME record format (http://www.ietf.org/rfc/rfc1035.txt): | 116 // CNAME record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 117 // cname: On the wire representation of domain name. | 117 // cname: On the wire representation of domain name. |
| 118 class NET_EXPORT_PRIVATE CnameRecordRdata : public RecordRdata { | 118 class NET_EXPORT_PRIVATE CnameRecordRdata : public RecordRdata { |
| 119 public: | 119 public: |
| 120 static const uint16 kType = dns_protocol::kTypeCNAME; | 120 static const uint16 kType = dns_protocol::kTypeCNAME; |
| 121 | 121 |
| 122 virtual ~CnameRecordRdata(); | 122 virtual ~CnameRecordRdata(); |
| 123 static scoped_ptr<CnameRecordRdata> Create(const base::StringPiece& data, | 123 static scoped_ptr<CnameRecordRdata> Create(const base::StringPiece& data, |
| 124 const DnsRecordParser& parser); | 124 const DnsRecordParser& parser); |
| 125 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 125 virtual bool IsEqual(const RecordRdata* other) const override; |
| 126 virtual uint16 Type() const OVERRIDE; | 126 virtual uint16 Type() const override; |
| 127 | 127 |
| 128 std::string cname() const { return cname_; } | 128 std::string cname() const { return cname_; } |
| 129 | 129 |
| 130 private: | 130 private: |
| 131 CnameRecordRdata(); | 131 CnameRecordRdata(); |
| 132 | 132 |
| 133 std::string cname_; | 133 std::string cname_; |
| 134 | 134 |
| 135 DISALLOW_COPY_AND_ASSIGN(CnameRecordRdata); | 135 DISALLOW_COPY_AND_ASSIGN(CnameRecordRdata); |
| 136 }; | 136 }; |
| 137 | 137 |
| 138 // PTR record format (http://www.ietf.org/rfc/rfc1035.txt): | 138 // PTR record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 139 // domain: On the wire representation of domain name. | 139 // domain: On the wire representation of domain name. |
| 140 class NET_EXPORT_PRIVATE PtrRecordRdata : public RecordRdata { | 140 class NET_EXPORT_PRIVATE PtrRecordRdata : public RecordRdata { |
| 141 public: | 141 public: |
| 142 static const uint16 kType = dns_protocol::kTypePTR; | 142 static const uint16 kType = dns_protocol::kTypePTR; |
| 143 | 143 |
| 144 virtual ~PtrRecordRdata(); | 144 virtual ~PtrRecordRdata(); |
| 145 static scoped_ptr<PtrRecordRdata> Create(const base::StringPiece& data, | 145 static scoped_ptr<PtrRecordRdata> Create(const base::StringPiece& data, |
| 146 const DnsRecordParser& parser); | 146 const DnsRecordParser& parser); |
| 147 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 147 virtual bool IsEqual(const RecordRdata* other) const override; |
| 148 virtual uint16 Type() const OVERRIDE; | 148 virtual uint16 Type() const override; |
| 149 | 149 |
| 150 std::string ptrdomain() const { return ptrdomain_; } | 150 std::string ptrdomain() const { return ptrdomain_; } |
| 151 | 151 |
| 152 private: | 152 private: |
| 153 PtrRecordRdata(); | 153 PtrRecordRdata(); |
| 154 | 154 |
| 155 std::string ptrdomain_; | 155 std::string ptrdomain_; |
| 156 | 156 |
| 157 DISALLOW_COPY_AND_ASSIGN(PtrRecordRdata); | 157 DISALLOW_COPY_AND_ASSIGN(PtrRecordRdata); |
| 158 }; | 158 }; |
| 159 | 159 |
| 160 // TXT record format (http://www.ietf.org/rfc/rfc1035.txt): | 160 // TXT record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 161 // texts: One or more <character-string>s. | 161 // texts: One or more <character-string>s. |
| 162 // a <character-string> is a length octet followed by as many characters. | 162 // a <character-string> is a length octet followed by as many characters. |
| 163 class NET_EXPORT_PRIVATE TxtRecordRdata : public RecordRdata { | 163 class NET_EXPORT_PRIVATE TxtRecordRdata : public RecordRdata { |
| 164 public: | 164 public: |
| 165 static const uint16 kType = dns_protocol::kTypeTXT; | 165 static const uint16 kType = dns_protocol::kTypeTXT; |
| 166 | 166 |
| 167 virtual ~TxtRecordRdata(); | 167 virtual ~TxtRecordRdata(); |
| 168 static scoped_ptr<TxtRecordRdata> Create(const base::StringPiece& data, | 168 static scoped_ptr<TxtRecordRdata> Create(const base::StringPiece& data, |
| 169 const DnsRecordParser& parser); | 169 const DnsRecordParser& parser); |
| 170 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 170 virtual bool IsEqual(const RecordRdata* other) const override; |
| 171 virtual uint16 Type() const OVERRIDE; | 171 virtual uint16 Type() const override; |
| 172 | 172 |
| 173 const std::vector<std::string>& texts() const { return texts_; } | 173 const std::vector<std::string>& texts() const { return texts_; } |
| 174 | 174 |
| 175 private: | 175 private: |
| 176 TxtRecordRdata(); | 176 TxtRecordRdata(); |
| 177 | 177 |
| 178 std::vector<std::string> texts_; | 178 std::vector<std::string> texts_; |
| 179 | 179 |
| 180 DISALLOW_COPY_AND_ASSIGN(TxtRecordRdata); | 180 DISALLOW_COPY_AND_ASSIGN(TxtRecordRdata); |
| 181 }; | 181 }; |
| 182 | 182 |
| 183 // Only the subset of the NSEC record format required by mDNS is supported. | 183 // Only the subset of the NSEC record format required by mDNS is supported. |
| 184 // Nsec record format is described in http://www.ietf.org/rfc/rfc3845.txt and | 184 // Nsec record format is described in http://www.ietf.org/rfc/rfc3845.txt and |
| 185 // the limited version required for mDNS described in | 185 // the limited version required for mDNS described in |
| 186 // http://www.rfc-editor.org/rfc/rfc6762.txt Section 6.1. | 186 // http://www.rfc-editor.org/rfc/rfc6762.txt Section 6.1. |
| 187 class NET_EXPORT_PRIVATE NsecRecordRdata : public RecordRdata { | 187 class NET_EXPORT_PRIVATE NsecRecordRdata : public RecordRdata { |
| 188 public: | 188 public: |
| 189 static const uint16 kType = dns_protocol::kTypeNSEC; | 189 static const uint16 kType = dns_protocol::kTypeNSEC; |
| 190 | 190 |
| 191 virtual ~NsecRecordRdata(); | 191 virtual ~NsecRecordRdata(); |
| 192 static scoped_ptr<NsecRecordRdata> Create(const base::StringPiece& data, | 192 static scoped_ptr<NsecRecordRdata> Create(const base::StringPiece& data, |
| 193 const DnsRecordParser& parser); | 193 const DnsRecordParser& parser); |
| 194 virtual bool IsEqual(const RecordRdata* other) const OVERRIDE; | 194 virtual bool IsEqual(const RecordRdata* other) const override; |
| 195 virtual uint16 Type() const OVERRIDE; | 195 virtual uint16 Type() const override; |
| 196 | 196 |
| 197 // Length of the bitmap in bits. | 197 // Length of the bitmap in bits. |
| 198 unsigned bitmap_length() const { return bitmap_.size() * 8; } | 198 unsigned bitmap_length() const { return bitmap_.size() * 8; } |
| 199 | 199 |
| 200 // Returns bit i-th bit in the bitmap, where bits withing a byte are organized | 200 // Returns bit i-th bit in the bitmap, where bits withing a byte are organized |
| 201 // most to least significant. If it is set, a record with rrtype i exists for | 201 // most to least significant. If it is set, a record with rrtype i exists for |
| 202 // the domain name of this nsec record. | 202 // the domain name of this nsec record. |
| 203 bool GetBit(unsigned i) const; | 203 bool GetBit(unsigned i) const; |
| 204 | 204 |
| 205 private: | 205 private: |
| 206 NsecRecordRdata(); | 206 NsecRecordRdata(); |
| 207 | 207 |
| 208 std::vector<uint8> bitmap_; | 208 std::vector<uint8> bitmap_; |
| 209 | 209 |
| 210 DISALLOW_COPY_AND_ASSIGN(NsecRecordRdata); | 210 DISALLOW_COPY_AND_ASSIGN(NsecRecordRdata); |
| 211 }; | 211 }; |
| 212 | 212 |
| 213 | 213 |
| 214 } // namespace net | 214 } // namespace net |
| 215 | 215 |
| 216 #endif // NET_DNS_RECORD_RDATA_H_ | 216 #endif // NET_DNS_RECORD_RDATA_H_ |
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