| OLD | NEW |
| 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 <stdint.h> |
| 9 |
| 8 #include <string> | 10 #include <string> |
| 9 #include <vector> | 11 #include <vector> |
| 10 | 12 |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
| 14 #include "base/macros.h" |
| 13 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/strings/string_piece.h" | 16 #include "base/strings/string_piece.h" |
| 15 #include "net/base/ip_address_number.h" | 17 #include "net/base/ip_address_number.h" |
| 16 #include "net/base/net_export.h" | 18 #include "net/base/net_export.h" |
| 17 #include "net/dns/dns_protocol.h" | 19 #include "net/dns/dns_protocol.h" |
| 18 | 20 |
| 19 namespace net { | 21 namespace net { |
| 20 | 22 |
| 21 class DnsRecordParser; | 23 class DnsRecordParser; |
| 22 | 24 |
| 23 // Parsed represenation of the extra data in a record. Does not include standard | 25 // Parsed represenation of the extra data in a record. Does not include standard |
| 24 // DNS record data such as TTL, Name, Type and Class. | 26 // DNS record data such as TTL, Name, Type and Class. |
| 25 class NET_EXPORT_PRIVATE RecordRdata { | 27 class NET_EXPORT_PRIVATE RecordRdata { |
| 26 public: | 28 public: |
| 27 virtual ~RecordRdata() {} | 29 virtual ~RecordRdata() {} |
| 28 | 30 |
| 29 virtual bool IsEqual(const RecordRdata* other) const = 0; | 31 virtual bool IsEqual(const RecordRdata* other) const = 0; |
| 30 virtual uint16 Type() const = 0; | 32 virtual uint16_t Type() const = 0; |
| 31 | 33 |
| 32 protected: | 34 protected: |
| 33 RecordRdata(); | 35 RecordRdata(); |
| 34 | 36 |
| 35 DISALLOW_COPY_AND_ASSIGN(RecordRdata); | 37 DISALLOW_COPY_AND_ASSIGN(RecordRdata); |
| 36 }; | 38 }; |
| 37 | 39 |
| 38 // SRV record format (http://www.ietf.org/rfc/rfc2782.txt): | 40 // SRV record format (http://www.ietf.org/rfc/rfc2782.txt): |
| 39 // 2 bytes network-order unsigned priority | 41 // 2 bytes network-order unsigned priority |
| 40 // 2 bytes network-order unsigned weight | 42 // 2 bytes network-order unsigned weight |
| 41 // 2 bytes network-order unsigned port | 43 // 2 bytes network-order unsigned port |
| 42 // target: domain name (on-the-wire representation) | 44 // target: domain name (on-the-wire representation) |
| 43 class NET_EXPORT_PRIVATE SrvRecordRdata : public RecordRdata { | 45 class NET_EXPORT_PRIVATE SrvRecordRdata : public RecordRdata { |
| 44 public: | 46 public: |
| 45 static const uint16 kType = dns_protocol::kTypeSRV; | 47 static const uint16_t kType = dns_protocol::kTypeSRV; |
| 46 | 48 |
| 47 ~SrvRecordRdata() override; | 49 ~SrvRecordRdata() override; |
| 48 static scoped_ptr<SrvRecordRdata> Create(const base::StringPiece& data, | 50 static scoped_ptr<SrvRecordRdata> Create(const base::StringPiece& data, |
| 49 const DnsRecordParser& parser); | 51 const DnsRecordParser& parser); |
| 50 | 52 |
| 51 bool IsEqual(const RecordRdata* other) const override; | 53 bool IsEqual(const RecordRdata* other) const override; |
| 52 uint16 Type() const override; | 54 uint16_t Type() const override; |
| 53 | 55 |
| 54 uint16 priority() const { return priority_; } | 56 uint16_t priority() const { return priority_; } |
| 55 uint16 weight() const { return weight_; } | 57 uint16_t weight() const { return weight_; } |
| 56 uint16 port() const { return port_; } | 58 uint16_t port() const { return port_; } |
| 57 | 59 |
| 58 const std::string& target() const { return target_; } | 60 const std::string& target() const { return target_; } |
| 59 | 61 |
| 60 private: | 62 private: |
| 61 SrvRecordRdata(); | 63 SrvRecordRdata(); |
| 62 | 64 |
| 63 uint16 priority_; | 65 uint16_t priority_; |
| 64 uint16 weight_; | 66 uint16_t weight_; |
| 65 uint16 port_; | 67 uint16_t port_; |
| 66 | 68 |
| 67 std::string target_; | 69 std::string target_; |
| 68 | 70 |
| 69 DISALLOW_COPY_AND_ASSIGN(SrvRecordRdata); | 71 DISALLOW_COPY_AND_ASSIGN(SrvRecordRdata); |
| 70 }; | 72 }; |
| 71 | 73 |
| 72 // A Record format (http://www.ietf.org/rfc/rfc1035.txt): | 74 // A Record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 73 // 4 bytes for IP address. | 75 // 4 bytes for IP address. |
| 74 class NET_EXPORT_PRIVATE ARecordRdata : public RecordRdata { | 76 class NET_EXPORT_PRIVATE ARecordRdata : public RecordRdata { |
| 75 public: | 77 public: |
| 76 static const uint16 kType = dns_protocol::kTypeA; | 78 static const uint16_t kType = dns_protocol::kTypeA; |
| 77 | 79 |
| 78 ~ARecordRdata() override; | 80 ~ARecordRdata() override; |
| 79 static scoped_ptr<ARecordRdata> Create(const base::StringPiece& data, | 81 static scoped_ptr<ARecordRdata> Create(const base::StringPiece& data, |
| 80 const DnsRecordParser& parser); | 82 const DnsRecordParser& parser); |
| 81 bool IsEqual(const RecordRdata* other) const override; | 83 bool IsEqual(const RecordRdata* other) const override; |
| 82 uint16 Type() const override; | 84 uint16_t Type() const override; |
| 83 | 85 |
| 84 const IPAddressNumber& address() const { return address_; } | 86 const IPAddressNumber& address() const { return address_; } |
| 85 | 87 |
| 86 private: | 88 private: |
| 87 ARecordRdata(); | 89 ARecordRdata(); |
| 88 | 90 |
| 89 IPAddressNumber address_; | 91 IPAddressNumber address_; |
| 90 | 92 |
| 91 DISALLOW_COPY_AND_ASSIGN(ARecordRdata); | 93 DISALLOW_COPY_AND_ASSIGN(ARecordRdata); |
| 92 }; | 94 }; |
| 93 | 95 |
| 94 // AAAA Record format (http://www.ietf.org/rfc/rfc1035.txt): | 96 // AAAA Record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 95 // 16 bytes for IP address. | 97 // 16 bytes for IP address. |
| 96 class NET_EXPORT_PRIVATE AAAARecordRdata : public RecordRdata { | 98 class NET_EXPORT_PRIVATE AAAARecordRdata : public RecordRdata { |
| 97 public: | 99 public: |
| 98 static const uint16 kType = dns_protocol::kTypeAAAA; | 100 static const uint16_t kType = dns_protocol::kTypeAAAA; |
| 99 | 101 |
| 100 ~AAAARecordRdata() override; | 102 ~AAAARecordRdata() override; |
| 101 static scoped_ptr<AAAARecordRdata> Create(const base::StringPiece& data, | 103 static scoped_ptr<AAAARecordRdata> Create(const base::StringPiece& data, |
| 102 const DnsRecordParser& parser); | 104 const DnsRecordParser& parser); |
| 103 bool IsEqual(const RecordRdata* other) const override; | 105 bool IsEqual(const RecordRdata* other) const override; |
| 104 uint16 Type() const override; | 106 uint16_t Type() const override; |
| 105 | 107 |
| 106 const IPAddressNumber& address() const { return address_; } | 108 const IPAddressNumber& address() const { return address_; } |
| 107 | 109 |
| 108 private: | 110 private: |
| 109 AAAARecordRdata(); | 111 AAAARecordRdata(); |
| 110 | 112 |
| 111 IPAddressNumber address_; | 113 IPAddressNumber address_; |
| 112 | 114 |
| 113 DISALLOW_COPY_AND_ASSIGN(AAAARecordRdata); | 115 DISALLOW_COPY_AND_ASSIGN(AAAARecordRdata); |
| 114 }; | 116 }; |
| 115 | 117 |
| 116 // CNAME record format (http://www.ietf.org/rfc/rfc1035.txt): | 118 // CNAME record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 117 // cname: On the wire representation of domain name. | 119 // cname: On the wire representation of domain name. |
| 118 class NET_EXPORT_PRIVATE CnameRecordRdata : public RecordRdata { | 120 class NET_EXPORT_PRIVATE CnameRecordRdata : public RecordRdata { |
| 119 public: | 121 public: |
| 120 static const uint16 kType = dns_protocol::kTypeCNAME; | 122 static const uint16_t kType = dns_protocol::kTypeCNAME; |
| 121 | 123 |
| 122 ~CnameRecordRdata() override; | 124 ~CnameRecordRdata() override; |
| 123 static scoped_ptr<CnameRecordRdata> Create(const base::StringPiece& data, | 125 static scoped_ptr<CnameRecordRdata> Create(const base::StringPiece& data, |
| 124 const DnsRecordParser& parser); | 126 const DnsRecordParser& parser); |
| 125 bool IsEqual(const RecordRdata* other) const override; | 127 bool IsEqual(const RecordRdata* other) const override; |
| 126 uint16 Type() const override; | 128 uint16_t Type() const override; |
| 127 | 129 |
| 128 std::string cname() const { return cname_; } | 130 std::string cname() const { return cname_; } |
| 129 | 131 |
| 130 private: | 132 private: |
| 131 CnameRecordRdata(); | 133 CnameRecordRdata(); |
| 132 | 134 |
| 133 std::string cname_; | 135 std::string cname_; |
| 134 | 136 |
| 135 DISALLOW_COPY_AND_ASSIGN(CnameRecordRdata); | 137 DISALLOW_COPY_AND_ASSIGN(CnameRecordRdata); |
| 136 }; | 138 }; |
| 137 | 139 |
| 138 // PTR record format (http://www.ietf.org/rfc/rfc1035.txt): | 140 // PTR record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 139 // domain: On the wire representation of domain name. | 141 // domain: On the wire representation of domain name. |
| 140 class NET_EXPORT_PRIVATE PtrRecordRdata : public RecordRdata { | 142 class NET_EXPORT_PRIVATE PtrRecordRdata : public RecordRdata { |
| 141 public: | 143 public: |
| 142 static const uint16 kType = dns_protocol::kTypePTR; | 144 static const uint16_t kType = dns_protocol::kTypePTR; |
| 143 | 145 |
| 144 ~PtrRecordRdata() override; | 146 ~PtrRecordRdata() override; |
| 145 static scoped_ptr<PtrRecordRdata> Create(const base::StringPiece& data, | 147 static scoped_ptr<PtrRecordRdata> Create(const base::StringPiece& data, |
| 146 const DnsRecordParser& parser); | 148 const DnsRecordParser& parser); |
| 147 bool IsEqual(const RecordRdata* other) const override; | 149 bool IsEqual(const RecordRdata* other) const override; |
| 148 uint16 Type() const override; | 150 uint16_t Type() const override; |
| 149 | 151 |
| 150 std::string ptrdomain() const { return ptrdomain_; } | 152 std::string ptrdomain() const { return ptrdomain_; } |
| 151 | 153 |
| 152 private: | 154 private: |
| 153 PtrRecordRdata(); | 155 PtrRecordRdata(); |
| 154 | 156 |
| 155 std::string ptrdomain_; | 157 std::string ptrdomain_; |
| 156 | 158 |
| 157 DISALLOW_COPY_AND_ASSIGN(PtrRecordRdata); | 159 DISALLOW_COPY_AND_ASSIGN(PtrRecordRdata); |
| 158 }; | 160 }; |
| 159 | 161 |
| 160 // TXT record format (http://www.ietf.org/rfc/rfc1035.txt): | 162 // TXT record format (http://www.ietf.org/rfc/rfc1035.txt): |
| 161 // texts: One or more <character-string>s. | 163 // texts: One or more <character-string>s. |
| 162 // a <character-string> is a length octet followed by as many characters. | 164 // a <character-string> is a length octet followed by as many characters. |
| 163 class NET_EXPORT_PRIVATE TxtRecordRdata : public RecordRdata { | 165 class NET_EXPORT_PRIVATE TxtRecordRdata : public RecordRdata { |
| 164 public: | 166 public: |
| 165 static const uint16 kType = dns_protocol::kTypeTXT; | 167 static const uint16_t kType = dns_protocol::kTypeTXT; |
| 166 | 168 |
| 167 ~TxtRecordRdata() override; | 169 ~TxtRecordRdata() override; |
| 168 static scoped_ptr<TxtRecordRdata> Create(const base::StringPiece& data, | 170 static scoped_ptr<TxtRecordRdata> Create(const base::StringPiece& data, |
| 169 const DnsRecordParser& parser); | 171 const DnsRecordParser& parser); |
| 170 bool IsEqual(const RecordRdata* other) const override; | 172 bool IsEqual(const RecordRdata* other) const override; |
| 171 uint16 Type() const override; | 173 uint16_t Type() const override; |
| 172 | 174 |
| 173 const std::vector<std::string>& texts() const { return texts_; } | 175 const std::vector<std::string>& texts() const { return texts_; } |
| 174 | 176 |
| 175 private: | 177 private: |
| 176 TxtRecordRdata(); | 178 TxtRecordRdata(); |
| 177 | 179 |
| 178 std::vector<std::string> texts_; | 180 std::vector<std::string> texts_; |
| 179 | 181 |
| 180 DISALLOW_COPY_AND_ASSIGN(TxtRecordRdata); | 182 DISALLOW_COPY_AND_ASSIGN(TxtRecordRdata); |
| 181 }; | 183 }; |
| 182 | 184 |
| 183 // Only the subset of the NSEC record format required by mDNS is supported. | 185 // 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 | 186 // Nsec record format is described in http://www.ietf.org/rfc/rfc3845.txt and |
| 185 // the limited version required for mDNS described in | 187 // the limited version required for mDNS described in |
| 186 // http://www.rfc-editor.org/rfc/rfc6762.txt Section 6.1. | 188 // http://www.rfc-editor.org/rfc/rfc6762.txt Section 6.1. |
| 187 class NET_EXPORT_PRIVATE NsecRecordRdata : public RecordRdata { | 189 class NET_EXPORT_PRIVATE NsecRecordRdata : public RecordRdata { |
| 188 public: | 190 public: |
| 189 static const uint16 kType = dns_protocol::kTypeNSEC; | 191 static const uint16_t kType = dns_protocol::kTypeNSEC; |
| 190 | 192 |
| 191 ~NsecRecordRdata() override; | 193 ~NsecRecordRdata() override; |
| 192 static scoped_ptr<NsecRecordRdata> Create(const base::StringPiece& data, | 194 static scoped_ptr<NsecRecordRdata> Create(const base::StringPiece& data, |
| 193 const DnsRecordParser& parser); | 195 const DnsRecordParser& parser); |
| 194 bool IsEqual(const RecordRdata* other) const override; | 196 bool IsEqual(const RecordRdata* other) const override; |
| 195 uint16 Type() const override; | 197 uint16_t Type() const override; |
| 196 | 198 |
| 197 // Length of the bitmap in bits. | 199 // Length of the bitmap in bits. |
| 198 unsigned bitmap_length() const { return bitmap_.size() * 8; } | 200 unsigned bitmap_length() const { return bitmap_.size() * 8; } |
| 199 | 201 |
| 200 // Returns bit i-th bit in the bitmap, where bits withing a byte are organized | 202 // 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 | 203 // most to least significant. If it is set, a record with rrtype i exists for |
| 202 // the domain name of this nsec record. | 204 // the domain name of this nsec record. |
| 203 bool GetBit(unsigned i) const; | 205 bool GetBit(unsigned i) const; |
| 204 | 206 |
| 205 private: | 207 private: |
| 206 NsecRecordRdata(); | 208 NsecRecordRdata(); |
| 207 | 209 |
| 208 std::vector<uint8> bitmap_; | 210 std::vector<uint8_t> bitmap_; |
| 209 | 211 |
| 210 DISALLOW_COPY_AND_ASSIGN(NsecRecordRdata); | 212 DISALLOW_COPY_AND_ASSIGN(NsecRecordRdata); |
| 211 }; | 213 }; |
| 212 | 214 |
| 213 | 215 |
| 214 } // namespace net | 216 } // namespace net |
| 215 | 217 |
| 216 #endif // NET_DNS_RECORD_RDATA_H_ | 218 #endif // NET_DNS_RECORD_RDATA_H_ |
| OLD | NEW |