117 lines
6.1 KiB
Go
117 lines
6.1 KiB
Go
// SPDX-License-Identifier: BSD-3-Clause
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package query
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import (
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"errors"
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)
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// Message is for overall DNS responses.
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//
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//nolint:govet,tagliatelle // Better looking output is worth a few bytes.
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type Message struct {
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DateString string `json:"dateString,omitempty" xml:"dateString,omitempty" yaml:"dateString,omitempty"`
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DateSeconds int64 `json:"dateSeconds,omitempty" xml:"dateSeconds,omitempty" yaml:"dateSeconds,omitempty"`
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MsgSize int `json:"msgLength,omitempty" xml:"msgSize,omitempty" yaml:"msgSize,omitempty"`
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ID uint16 `json:"ID" xml:"ID" yaml:"ID" example:"12"`
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Opcode int `json:"opcode" xml:"opcode" yaml:"opcode" example:"QUERY"`
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Response bool `json:"QR" xml:"QR" yaml:"QR" example:"true"`
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Authoritative bool `json:"AA" xml:"AA" yaml:"AA" example:"false"`
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Truncated bool `json:"TC" xml:"TC" yaml:"TC" example:"false"`
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RecursionDesired bool `json:"RD" xml:"RD" yaml:"RD" example:"true"`
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RecursionAvailable bool `json:"RA" xml:"RA" yaml:"RA" example:"true"`
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AuthenticatedData bool `json:"AD" xml:"AD" yaml:"AD" example:"false"`
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CheckingDisabled bool `json:"CD" xml:"CD" yaml:"CD" example:"false"`
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Zero bool `json:"Z" xml:"Z" yaml:"Z" example:"false"`
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QdCount int `json:"QDCOUNT" xml:"QDCOUNT" yaml:"QDCOUNT" example:"0"`
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AnCount int `json:"ANCOUNT" xml:"ANCOUNT" yaml:"ANCOUNT" example:"0"`
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NsCount int `json:"NSCOUNT" xml:"NSCOUNT" yaml:"NSCOUNT" example:"0"`
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ArCount int `json:"ARCOUNT" xml:"ARCOUNT" yaml:"ARCOUNT" example:"0"`
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Name string `json:"QNAME,omitempty" xml:"QNAME,omitempty" yaml:"QNAME,omitempty" example:"localhost"`
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Type uint16 `json:"QTYPE,omitempty" xml:"QTYPE,omitempty" yaml:"QTYPE,omitempty" example:"IN"`
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TypeName string `json:"QTYPEname,omitempty" xml:"QTYPEname,omitempty" yaml:"QTYPEname,omitempty" example:"IN"`
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Class uint16 `json:"QCLASS,omitempty" xml:"QCLASS,omitempty" yaml:"QCLASS,omitempty" example:"A"`
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ClassName string `json:"QCLASSname,omitempty" xml:"QCLASSname,omitempty" yaml:"QCLASSname,omitempty" example:"1"`
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EDNS0 EDNS0 `json:",omitempty" xml:",omitempty" yaml:",omitempty"`
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// Answer Section
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AnswerRRs []Answer `json:"answersRRs,omitempty" xml:"answersRRs,omitempty" yaml:"answersRRs,omitempty" example:"false"`
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AuthoritativeRRs []Answer `json:"authorityRRs,omitempty" xml:"authorityRRs,omitempty" yaml:"authorityRRs,omitempty" example:"false"`
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AdditionalRRs []Answer `json:"additionalRRs,omitempty" xml:"additionalRRs,omitempty" yaml:"additionalRRs,omitempty" example:"false"`
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}
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// Answer is for DNS Resource Headers.
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//
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//nolint:govet,tagliatelle
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type Answer struct {
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Name string `json:"NAME,omitempty" xml:"NAME,omitempty" yaml:"NAME,omitempty" example:"127.0.0.1"`
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Type uint16 `json:"TYPE,omitempty" xml:"TYPE,omitempty" yaml:"TYPE,omitempty" example:"1"`
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TypeName string `json:"TYPEname,omitempty" xml:"TYPEname,omitempty" yaml:"TYPEname,omitempty" example:"A"`
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Class uint16 `json:"CLASS,omitempty" xml:"CLASS,omitempty" yaml:"CLASS,omitempty" example:"1"`
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ClassName string `json:"CLASSname,omitempty" xml:"CLASSname,omitempty" yaml:"CLASSname,omitempty" example:"IN"`
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TTL any `json:"TTL,omitempty" xml:"TTL,omitempty" yaml:"TTL,omitempty" example:"0ms"`
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Value string `json:"rdata,omitempty" xml:"rdata,omitempty" yaml:"rdata,omitempty"`
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Rdlength uint16 `json:"RDLENGTH,omitempty" xml:"RDLENGTH,omitempty" yaml:"RDLENGTH,omitempty"`
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Rdhex string `json:"RDATAHEX,omitempty" xml:"RDATAHEX,omitempty" yaml:"RDATAHEX,omitempty"`
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}
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// EDNS0 is for all EDNS options.
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//
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// RFC: https://datatracker.ietf.org/docs/draft-peltan-edns-presentation-format/
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//
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//nolint:govet,tagliatelle
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type EDNS0 struct {
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Flags []string `json:"FLAGS" xml:"FLAGS" yaml:"FLAGS"`
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Rcode string `json:"RCODE" xml:"RCODE" yaml:"RCODE"`
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PayloadSize uint16 `json:"UDPSIZE" xml:"UDPSIZE" yaml:"UDPSIZE"`
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LLQ *EdnsLLQ `json:"LLQ,omitempty" xml:"LLQ,omitempty" yaml:"LLQ,omitempty"`
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NsidHex string `json:"NSIDHEX,omitempty" xml:"NSIDHEX,omitempty" yaml:"NSIDHEX,omitempty"`
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Nsid string `json:"NSID,omitempty" xml:"NSID,omitempty" yaml:"NSID,omitempty"`
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Dau []uint8 `json:"DAU,omitempty" xml:"DAU,omitempty" yaml:"DAU,omitempty"`
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Dhu []uint8 `json:"DHU,omitempty" xml:"DHU,omitempty" yaml:"DHU,omitempty"`
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N3u []uint8 `json:"N3U,omitempty" xml:"N3U,omitempty" yaml:"N3U,omitempty"`
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Subnet *EDNSSubnet `json:"ECS,omitempty" xml:"ECS,omitempty" yaml:"ECS,omitempty"`
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Expire uint32 `json:"EXPIRE,omitempty" xml:"EXPIRE,omitempty" yaml:"EXPIRE,omitempty"`
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Cookie []string `json:"COOKIE,omitempty" xml:"COOKIE,omitempty" yaml:"COOKIE,omitempty"`
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KeepAlive uint16 `json:"KEEPALIVE,omitempty" xml:"KEEPALIVE,omitempty" yaml:"KEEPALIVE,omitempty"`
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Padding string `json:"PADDING,omitempty" xml:"PADDING,omitempty" yaml:"PADDING,omitempty"`
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Chain string `json:"CHAIN,omitempty" xml:"CHAIN,omitempty" yaml:"CHAIN,omitempty"`
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EDE *EDNSErr `json:"EDE,omitempty" xml:"EDE,omitempty" yaml:"EDE,omitempty"`
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}
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// EdnsLLQ is for Long-lived queries.
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//
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//nolint:tagliatelle
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type EdnsLLQ struct {
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Version uint16 `json:"LLQ-VERSION" xml:"LLQ-VERSION" yaml:"LLQ-VERSION"`
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Opcode uint16 `json:"LLQ-OPCODE" xml:"LLQ-OPCODE" yaml:"LLQ-OPCODE"`
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Error uint16 `json:"LLQ-ERROR" xml:"LLQ-ERROR" yaml:"LLQ-ERROR"`
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ID uint64 `json:"LLQ-ID" xml:"LLQ-ID" yaml:"LLQ-ID"`
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Lease uint32 `json:"LLQ-LEASE" xml:"LLQ-LEASE" yaml:"LLQ-LEASE"`
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}
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// EDNSSubnet is for EDNS subnet options,
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//
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//nolint:govet,tagliatelle
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type EDNSSubnet struct {
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Family uint16 `json:"FAMILY" xml:"FAMILY" yaml:"FAMILY"`
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IP string
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Source uint8 `json:"SOURCE" xml:"SOURCE" yaml:"SOURCE"`
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Scope uint8 `json:"SCOPE,omitempty" xml:"SCOPE,omitempty" yaml:"SCOPE,omitempty"`
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}
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// EDNSErr is for EDE codes
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//
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//nolint:govet,tagliatelle
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type EDNSErr struct {
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Code uint16 `json:"INFO-CODE" xml:"INFO-CODE" yaml:"INFO-CODE"`
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Purpose string
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Text string `json:"EXTRA-TEXT,omitempty" xml:"EXTRA-TEXT,omitempty" yaml:"EXTRA-TEXT,omitempty"`
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}
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var errNoMessage = errors.New("no message")
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