type Type … const TypeA … const TypeNS … const TypeCNAME … const TypeSOA … const TypePTR … const TypeMX … const TypeTXT … const TypeAAAA … const TypeSRV … const TypeOPT … const TypeWKS … const TypeHINFO … const TypeMINFO … const TypeAXFR … const TypeALL … var typeNames … // String implements fmt.Stringer.String. func (t Type) String() string { … } // GoString implements fmt.GoStringer.GoString. func (t Type) GoString() string { … } type Class … const ClassINET … const ClassCSNET … const ClassCHAOS … const ClassHESIOD … const ClassANY … var classNames … // String implements fmt.Stringer.String. func (c Class) String() string { … } // GoString implements fmt.GoStringer.GoString. func (c Class) GoString() string { … } type OpCode … // GoString implements fmt.GoStringer.GoString. func (o OpCode) GoString() string { … } type RCode … const RCodeSuccess … const RCodeFormatError … const RCodeServerFailure … const RCodeNameError … const RCodeNotImplemented … const RCodeRefused … var rCodeNames … // String implements fmt.Stringer.String. func (r RCode) String() string { … } // GoString implements fmt.GoStringer.GoString. func (r RCode) GoString() string { … } func printPaddedUint8(i uint8) string { … } func printUint8Bytes(buf []byte, i uint8) []byte { … } func printByteSlice(b []byte) string { … } const hexDigits … func printString(str []byte) string { … } func printUint16(i uint16) string { … } func printUint32(i uint32) string { … } func printBool(b bool) string { … } var ErrNotStarted … var ErrSectionDone … var errBaseLen … var errCalcLen … var errReserved … var errTooManyPtr … var errInvalidPtr … var errInvalidName … var errNilResouceBody … var errResourceLen … var errSegTooLong … var errNameTooLong … var errZeroSegLen … var errResTooLong … var errTooManyQuestions … var errTooManyAnswers … var errTooManyAuthorities … var errTooManyAdditionals … var errNonCanonicalName … var errStringTooLong … const packStartingCap … const uint16Len … const uint32Len … const headerLen … type nestedError … // nestedError implements error.Error. func (e *nestedError) Error() string { … } type Header … func (m *Header) pack() (id uint16, bits uint16) { … } // GoString implements fmt.GoStringer.GoString. func (m *Header) GoString() string { … } type Message … type section … const sectionNotStarted … const sectionHeader … const sectionQuestions … const sectionAnswers … const sectionAuthorities … const sectionAdditionals … const sectionDone … const headerBitQR … const headerBitAA … const headerBitTC … const headerBitRD … const headerBitRA … const headerBitAD … const headerBitCD … var sectionNames … type header … func (h *header) count(sec section) uint16 { … } // pack appends the wire format of the header to msg. func (h *header) pack(msg []byte) []byte { … } func (h *header) unpack(msg []byte, off int) (int, error) { … } func (h *header) header() Header { … } type Resource … func (r *Resource) GoString() string { … } type ResourceBody … // pack appends the wire format of the Resource to msg. func (r *Resource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } type Parser … // Start parses the header and enables the parsing of Questions. func (p *Parser) Start(msg []byte) (Header, error) { … } func (p *Parser) checkAdvance(sec section) error { … } func (p *Parser) resource(sec section) (Resource, error) { … } func (p *Parser) resourceHeader(sec section) (ResourceHeader, error) { … } func (p *Parser) skipResource(sec section) error { … } // Question parses a single Question. func (p *Parser) Question() (Question, error) { … } // AllQuestions parses all Questions. func (p *Parser) AllQuestions() ([]Question, error) { … } // SkipQuestion skips a single Question. func (p *Parser) SkipQuestion() error { … } // SkipAllQuestions skips all Questions. func (p *Parser) SkipAllQuestions() error { … } // AnswerHeader parses a single Answer ResourceHeader. func (p *Parser) AnswerHeader() (ResourceHeader, error) { … } // Answer parses a single Answer Resource. func (p *Parser) Answer() (Resource, error) { … } // AllAnswers parses all Answer Resources. func (p *Parser) AllAnswers() ([]Resource, error) { … } // SkipAnswer skips a single Answer Resource. // // It does not perform a complete validation of the resource header, which means // it may return a nil error when the [AnswerHeader] would actually return an error. func (p *Parser) SkipAnswer() error { … } // SkipAllAnswers skips all Answer Resources. func (p *Parser) SkipAllAnswers() error { … } // AuthorityHeader parses a single Authority ResourceHeader. func (p *Parser) AuthorityHeader() (ResourceHeader, error) { … } // Authority parses a single Authority Resource. func (p *Parser) Authority() (Resource, error) { … } // AllAuthorities parses all Authority Resources. func (p *Parser) AllAuthorities() ([]Resource, error) { … } // SkipAuthority skips a single Authority Resource. // // It does not perform a complete validation of the resource header, which means // it may return a nil error when the [AuthorityHeader] would actually return an error. func (p *Parser) SkipAuthority() error { … } // SkipAllAuthorities skips all Authority Resources. func (p *Parser) SkipAllAuthorities() error { … } // AdditionalHeader parses a single Additional ResourceHeader. func (p *Parser) AdditionalHeader() (ResourceHeader, error) { … } // Additional parses a single Additional Resource. func (p *Parser) Additional() (Resource, error) { … } // AllAdditionals parses all Additional Resources. func (p *Parser) AllAdditionals() ([]Resource, error) { … } // SkipAdditional skips a single Additional Resource. // // It does not perform a complete validation of the resource header, which means // it may return a nil error when the [AdditionalHeader] would actually return an error. func (p *Parser) SkipAdditional() error { … } // SkipAllAdditionals skips all Additional Resources. func (p *Parser) SkipAllAdditionals() error { … } // CNAMEResource parses a single CNAMEResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) CNAMEResource() (CNAMEResource, error) { … } // MXResource parses a single MXResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) MXResource() (MXResource, error) { … } // NSResource parses a single NSResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) NSResource() (NSResource, error) { … } // PTRResource parses a single PTRResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) PTRResource() (PTRResource, error) { … } // SOAResource parses a single SOAResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) SOAResource() (SOAResource, error) { … } // TXTResource parses a single TXTResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) TXTResource() (TXTResource, error) { … } // SRVResource parses a single SRVResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) SRVResource() (SRVResource, error) { … } // AResource parses a single AResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) AResource() (AResource, error) { … } // AAAAResource parses a single AAAAResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) AAAAResource() (AAAAResource, error) { … } // OPTResource parses a single OPTResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) OPTResource() (OPTResource, error) { … } // UnknownResource parses a single UnknownResource. // // One of the XXXHeader methods must have been called before calling this // method. func (p *Parser) UnknownResource() (UnknownResource, error) { … } // Unpack parses a full Message. func (m *Message) Unpack(msg []byte) error { … } // Pack packs a full Message. func (m *Message) Pack() ([]byte, error) { … } // AppendPack is like Pack but appends the full Message to b and returns the // extended buffer. func (m *Message) AppendPack(b []byte) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (m *Message) GoString() string { … } type Builder … // NewBuilder creates a new builder with compression disabled. // // Note: Most users will want to immediately enable compression with the // EnableCompression method. See that method's comment for why you may or may // not want to enable compression. // // The DNS message is appended to the provided initial buffer buf (which may be // nil) as it is built. The final message is returned by the (*Builder).Finish // method, which includes buf[:len(buf)] and may return the same underlying // array if there was sufficient capacity in the slice. func NewBuilder(buf []byte, h Header) Builder { … } // EnableCompression enables compression in the Builder. // // Leaving compression disabled avoids compression related allocations, but can // result in larger message sizes. Be careful with this mode as it can cause // messages to exceed the UDP size limit. // // According to RFC 1035, section 4.1.4, the use of compression is optional, but // all implementations must accept both compressed and uncompressed DNS // messages. // // Compression should be enabled before any sections are added for best results. func (b *Builder) EnableCompression() { … } func (b *Builder) startCheck(s section) error { … } // StartQuestions prepares the builder for packing Questions. func (b *Builder) StartQuestions() error { … } // StartAnswers prepares the builder for packing Answers. func (b *Builder) StartAnswers() error { … } // StartAuthorities prepares the builder for packing Authorities. func (b *Builder) StartAuthorities() error { … } // StartAdditionals prepares the builder for packing Additionals. func (b *Builder) StartAdditionals() error { … } func (b *Builder) incrementSectionCount() error { … } // Question adds a single Question. func (b *Builder) Question(q Question) error { … } func (b *Builder) checkResourceSection() error { … } // CNAMEResource adds a single CNAMEResource. func (b *Builder) CNAMEResource(h ResourceHeader, r CNAMEResource) error { … } // MXResource adds a single MXResource. func (b *Builder) MXResource(h ResourceHeader, r MXResource) error { … } // NSResource adds a single NSResource. func (b *Builder) NSResource(h ResourceHeader, r NSResource) error { … } // PTRResource adds a single PTRResource. func (b *Builder) PTRResource(h ResourceHeader, r PTRResource) error { … } // SOAResource adds a single SOAResource. func (b *Builder) SOAResource(h ResourceHeader, r SOAResource) error { … } // TXTResource adds a single TXTResource. func (b *Builder) TXTResource(h ResourceHeader, r TXTResource) error { … } // SRVResource adds a single SRVResource. func (b *Builder) SRVResource(h ResourceHeader, r SRVResource) error { … } // AResource adds a single AResource. func (b *Builder) AResource(h ResourceHeader, r AResource) error { … } // AAAAResource adds a single AAAAResource. func (b *Builder) AAAAResource(h ResourceHeader, r AAAAResource) error { … } // OPTResource adds a single OPTResource. func (b *Builder) OPTResource(h ResourceHeader, r OPTResource) error { … } // UnknownResource adds a single UnknownResource. func (b *Builder) UnknownResource(h ResourceHeader, r UnknownResource) error { … } // Finish ends message building and generates a binary message. func (b *Builder) Finish() ([]byte, error) { … } type ResourceHeader … // GoString implements fmt.GoStringer.GoString. func (h *ResourceHeader) GoString() string { … } // pack appends the wire format of the ResourceHeader to oldMsg. // // lenOff is the offset in msg where the Length field was packed. func (h *ResourceHeader) pack(oldMsg []byte, compression map[string]uint16, compressionOff int) (msg []byte, lenOff int, err error) { … } func (h *ResourceHeader) unpack(msg []byte, off int) (int, error) { … } // fixLen updates a packed ResourceHeader to include the length of the // ResourceBody. // // lenOff is the offset of the ResourceHeader.Length field in msg. // // preLen is the length that msg was before the ResourceBody was packed. func (h *ResourceHeader) fixLen(msg []byte, lenOff int, preLen int) error { … } const edns0Version … const edns0DNSSECOK … const ednsVersionMask … const edns0DNSSECOKMask … // SetEDNS0 configures h for EDNS(0). // // The provided extRCode must be an extended RCode. func (h *ResourceHeader) SetEDNS0(udpPayloadLen int, extRCode RCode, dnssecOK bool) error { … } // DNSSECAllowed reports whether the DNSSEC OK bit is set. func (h *ResourceHeader) DNSSECAllowed() bool { … } // ExtendedRCode returns an extended RCode. // // The provided rcode must be the RCode in DNS message header. func (h *ResourceHeader) ExtendedRCode(rcode RCode) RCode { … } func skipResource(msg []byte, off int) (int, error) { … } // packUint16 appends the wire format of field to msg. func packUint16(msg []byte, field uint16) []byte { … } func unpackUint16(msg []byte, off int) (uint16, int, error) { … } func skipUint16(msg []byte, off int) (int, error) { … } // packType appends the wire format of field to msg. func packType(msg []byte, field Type) []byte { … } func unpackType(msg []byte, off int) (Type, int, error) { … } func skipType(msg []byte, off int) (int, error) { … } // packClass appends the wire format of field to msg. func packClass(msg []byte, field Class) []byte { … } func unpackClass(msg []byte, off int) (Class, int, error) { … } func skipClass(msg []byte, off int) (int, error) { … } // packUint32 appends the wire format of field to msg. func packUint32(msg []byte, field uint32) []byte { … } func unpackUint32(msg []byte, off int) (uint32, int, error) { … } func skipUint32(msg []byte, off int) (int, error) { … } // packText appends the wire format of field to msg. func packText(msg []byte, field string) ([]byte, error) { … } func unpackText(msg []byte, off int) (string, int, error) { … } // packBytes appends the wire format of field to msg. func packBytes(msg []byte, field []byte) []byte { … } func unpackBytes(msg []byte, off int, field []byte) (int, error) { … } const nonEncodedNameMax … type Name … // NewName creates a new Name from a string. func NewName(name string) (Name, error) { … } // MustNewName creates a new Name from a string and panics on error. func MustNewName(name string) Name { … } // String implements fmt.Stringer.String. // // Note: characters inside the labels are not escaped in any way. func (n Name) String() string { … } // GoString implements fmt.GoStringer.GoString. func (n *Name) GoString() string { … } // pack appends the wire format of the Name to msg. // // Domain names are a sequence of counted strings split at the dots. They end // with a zero-length string. Compression can be used to reuse domain suffixes. // // The compression map will be updated with new domain suffixes. If compression // is nil, compression will not be used. func (n *Name) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // unpack unpacks a domain name. func (n *Name) unpack(msg []byte, off int) (int, error) { … } func skipName(msg []byte, off int) (int, error) { … } type Question … // pack appends the wire format of the Question to msg. func (q *Question) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (q *Question) GoString() string { … } func unpackResourceBody(msg []byte, off int, hdr ResourceHeader) (ResourceBody, int, error) { … } type CNAMEResource … func (r *CNAMEResource) realType() Type { … } // pack appends the wire format of the CNAMEResource to msg. func (r *CNAMEResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *CNAMEResource) GoString() string { … } func unpackCNAMEResource(msg []byte, off int) (CNAMEResource, error) { … } type MXResource … func (r *MXResource) realType() Type { … } // pack appends the wire format of the MXResource to msg. func (r *MXResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *MXResource) GoString() string { … } func unpackMXResource(msg []byte, off int) (MXResource, error) { … } type NSResource … func (r *NSResource) realType() Type { … } // pack appends the wire format of the NSResource to msg. func (r *NSResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *NSResource) GoString() string { … } func unpackNSResource(msg []byte, off int) (NSResource, error) { … } type PTRResource … func (r *PTRResource) realType() Type { … } // pack appends the wire format of the PTRResource to msg. func (r *PTRResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *PTRResource) GoString() string { … } func unpackPTRResource(msg []byte, off int) (PTRResource, error) { … } type SOAResource … func (r *SOAResource) realType() Type { … } // pack appends the wire format of the SOAResource to msg. func (r *SOAResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *SOAResource) GoString() string { … } func unpackSOAResource(msg []byte, off int) (SOAResource, error) { … } type TXTResource … func (r *TXTResource) realType() Type { … } // pack appends the wire format of the TXTResource to msg. func (r *TXTResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *TXTResource) GoString() string { … } func unpackTXTResource(msg []byte, off int, length uint16) (TXTResource, error) { … } type SRVResource … func (r *SRVResource) realType() Type { … } // pack appends the wire format of the SRVResource to msg. func (r *SRVResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *SRVResource) GoString() string { … } func unpackSRVResource(msg []byte, off int) (SRVResource, error) { … } type AResource … func (r *AResource) realType() Type { … } // pack appends the wire format of the AResource to msg. func (r *AResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *AResource) GoString() string { … } func unpackAResource(msg []byte, off int) (AResource, error) { … } type AAAAResource … func (r *AAAAResource) realType() Type { … } // GoString implements fmt.GoStringer.GoString. func (r *AAAAResource) GoString() string { … } // pack appends the wire format of the AAAAResource to msg. func (r *AAAAResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } func unpackAAAAResource(msg []byte, off int) (AAAAResource, error) { … } type OPTResource … type Option … // GoString implements fmt.GoStringer.GoString. func (o *Option) GoString() string { … } func (r *OPTResource) realType() Type { … } func (r *OPTResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *OPTResource) GoString() string { … } func unpackOPTResource(msg []byte, off int, length uint16) (OPTResource, error) { … } type UnknownResource … func (r *UnknownResource) realType() Type { … } // pack appends the wire format of the UnknownResource to msg. func (r *UnknownResource) pack(msg []byte, compression map[string]uint16, compressionOff int) ([]byte, error) { … } // GoString implements fmt.GoStringer.GoString. func (r *UnknownResource) GoString() string { … } func unpackUnknownResource(recordType Type, msg []byte, off int, length uint16) (UnknownResource, error) { … }
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