--- /dev/null
+package dns
+
+import (
+ "encoding/base64"
+ "net"
+ "strconv"
+ "strings"
+)
+
+// Parse the rdata of each rrtype.
+// All data from the channel c is either zString or zBlank.
+// After the rdata there may come a zBlank and then a zNewline
+// or immediately a zNewline. If this is not the case we flag
+// an *ParseError: garbage after rdata.
+func setRR(h RR_Header, c *zlexer, o, f string) (RR, *ParseError) {
+ var rr RR
+ if newFn, ok := TypeToRR[h.Rrtype]; ok && canParseAsRR(h.Rrtype) {
+ rr = newFn()
+ *rr.Header() = h
+ } else {
+ rr = &RFC3597{Hdr: h}
+ }
+
+ err := rr.parse(c, o, f)
+ if err != nil {
+ return nil, err
+ }
+
+ return rr, nil
+}
+
+// canParseAsRR returns true if the record type can be parsed as a
+// concrete RR. It blacklists certain record types that must be parsed
+// according to RFC 3597 because they lack a presentation format.
+func canParseAsRR(rrtype uint16) bool {
+ switch rrtype {
+ case TypeANY, TypeNULL, TypeOPT, TypeTSIG:
+ return false
+ default:
+ return true
+ }
+}
+
+// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces)
+// or an error
+func endingToString(c *zlexer, errstr, f string) (string, *ParseError) {
+ var s string
+ l, _ := c.Next() // zString
+ for l.value != zNewline && l.value != zEOF {
+ if l.err {
+ return s, &ParseError{f, errstr, l}
+ }
+ switch l.value {
+ case zString:
+ s += l.token
+ case zBlank: // Ok
+ default:
+ return "", &ParseError{f, errstr, l}
+ }
+ l, _ = c.Next()
+ }
+
+ return s, nil
+}
+
+// A remainder of the rdata with embedded spaces, split on unquoted whitespace
+// and return the parsed string slice or an error
+func endingToTxtSlice(c *zlexer, errstr, f string) ([]string, *ParseError) {
+ // Get the remaining data until we see a zNewline
+ l, _ := c.Next()
+ if l.err {
+ return nil, &ParseError{f, errstr, l}
+ }
+
+ // Build the slice
+ s := make([]string, 0)
+ quote := false
+ empty := false
+ for l.value != zNewline && l.value != zEOF {
+ if l.err {
+ return nil, &ParseError{f, errstr, l}
+ }
+ switch l.value {
+ case zString:
+ empty = false
+ if len(l.token) > 255 {
+ // split up tokens that are larger than 255 into 255-chunks
+ sx := []string{}
+ p, i := 0, 255
+ for {
+ if i <= len(l.token) {
+ sx = append(sx, l.token[p:i])
+ } else {
+ sx = append(sx, l.token[p:])
+ break
+
+ }
+ p, i = p+255, i+255
+ }
+ s = append(s, sx...)
+ break
+ }
+
+ s = append(s, l.token)
+ case zBlank:
+ if quote {
+ // zBlank can only be seen in between txt parts.
+ return nil, &ParseError{f, errstr, l}
+ }
+ case zQuote:
+ if empty && quote {
+ s = append(s, "")
+ }
+ quote = !quote
+ empty = true
+ default:
+ return nil, &ParseError{f, errstr, l}
+ }
+ l, _ = c.Next()
+ }
+
+ if quote {
+ return nil, &ParseError{f, errstr, l}
+ }
+
+ return s, nil
+}
+
+func (rr *A) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ rr.A = net.ParseIP(l.token)
+ if rr.A == nil || l.err {
+ return &ParseError{f, "bad A A", l}
+ }
+ return slurpRemainder(c, f)
+}
+
+func (rr *AAAA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ rr.AAAA = net.ParseIP(l.token)
+ if rr.AAAA == nil || l.err {
+ return &ParseError{f, "bad AAAA AAAA", l}
+ }
+ return slurpRemainder(c, f)
+}
+
+func (rr *NS) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Ns = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad NS Ns", l}
+ }
+ rr.Ns = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *PTR) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Ptr = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad PTR Ptr", l}
+ }
+ rr.Ptr = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *NSAPPTR) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Ptr = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad NSAP-PTR Ptr", l}
+ }
+ rr.Ptr = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *RP) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Mbox = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ mbox, mboxOk := toAbsoluteName(l.token, o)
+ if l.err || !mboxOk {
+ return &ParseError{f, "bad RP Mbox", l}
+ }
+ rr.Mbox = mbox
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rr.Txt = l.token
+
+ txt, txtOk := toAbsoluteName(l.token, o)
+ if l.err || !txtOk {
+ return &ParseError{f, "bad RP Txt", l}
+ }
+ rr.Txt = txt
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *MR) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Mr = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MR Mr", l}
+ }
+ rr.Mr = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *MB) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Mb = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MB Mb", l}
+ }
+ rr.Mb = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *MG) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Mg = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MG Mg", l}
+ }
+ rr.Mg = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *HINFO) parse(c *zlexer, o, f string) *ParseError {
+ chunks, e := endingToTxtSlice(c, "bad HINFO Fields", f)
+ if e != nil {
+ return e
+ }
+
+ if ln := len(chunks); ln == 0 {
+ return nil
+ } else if ln == 1 {
+ // Can we split it?
+ if out := strings.Fields(chunks[0]); len(out) > 1 {
+ chunks = out
+ } else {
+ chunks = append(chunks, "")
+ }
+ }
+
+ rr.Cpu = chunks[0]
+ rr.Os = strings.Join(chunks[1:], " ")
+
+ return nil
+}
+
+func (rr *MINFO) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Rmail = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ rmail, rmailOk := toAbsoluteName(l.token, o)
+ if l.err || !rmailOk {
+ return &ParseError{f, "bad MINFO Rmail", l}
+ }
+ rr.Rmail = rmail
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rr.Email = l.token
+
+ email, emailOk := toAbsoluteName(l.token, o)
+ if l.err || !emailOk {
+ return &ParseError{f, "bad MINFO Email", l}
+ }
+ rr.Email = email
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *MF) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Mf = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MF Mf", l}
+ }
+ rr.Mf = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *MD) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Md = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MD Md", l}
+ }
+ rr.Md = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *MX) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad MX Pref", l}
+ }
+ rr.Preference = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Mx = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad MX Mx", l}
+ }
+ rr.Mx = name
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *RT) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil {
+ return &ParseError{f, "bad RT Preference", l}
+ }
+ rr.Preference = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Host = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad RT Host", l}
+ }
+ rr.Host = name
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *AFSDB) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad AFSDB Subtype", l}
+ }
+ rr.Subtype = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Hostname = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad AFSDB Hostname", l}
+ }
+ rr.Hostname = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *X25) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ if l.err {
+ return &ParseError{f, "bad X25 PSDNAddress", l}
+ }
+ rr.PSDNAddress = l.token
+ return slurpRemainder(c, f)
+}
+
+func (rr *KX) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad KX Pref", l}
+ }
+ rr.Preference = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Exchanger = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad KX Exchanger", l}
+ }
+ rr.Exchanger = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *CNAME) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Target = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad CNAME Target", l}
+ }
+ rr.Target = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *DNAME) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Target = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad DNAME Target", l}
+ }
+ rr.Target = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *SOA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.Ns = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ ns, nsOk := toAbsoluteName(l.token, o)
+ if l.err || !nsOk {
+ return &ParseError{f, "bad SOA Ns", l}
+ }
+ rr.Ns = ns
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rr.Mbox = l.token
+
+ mbox, mboxOk := toAbsoluteName(l.token, o)
+ if l.err || !mboxOk {
+ return &ParseError{f, "bad SOA Mbox", l}
+ }
+ rr.Mbox = mbox
+
+ c.Next() // zBlank
+
+ var (
+ v uint32
+ ok bool
+ )
+ for i := 0; i < 5; i++ {
+ l, _ = c.Next()
+ if l.err {
+ return &ParseError{f, "bad SOA zone parameter", l}
+ }
+ if j, e := strconv.ParseUint(l.token, 10, 32); e != nil {
+ if i == 0 {
+ // Serial must be a number
+ return &ParseError{f, "bad SOA zone parameter", l}
+ }
+ // We allow other fields to be unitful duration strings
+ if v, ok = stringToTTL(l.token); !ok {
+ return &ParseError{f, "bad SOA zone parameter", l}
+
+ }
+ } else {
+ v = uint32(j)
+ }
+ switch i {
+ case 0:
+ rr.Serial = v
+ c.Next() // zBlank
+ case 1:
+ rr.Refresh = v
+ c.Next() // zBlank
+ case 2:
+ rr.Retry = v
+ c.Next() // zBlank
+ case 3:
+ rr.Expire = v
+ c.Next() // zBlank
+ case 4:
+ rr.Minttl = v
+ }
+ }
+ return slurpRemainder(c, f)
+}
+
+func (rr *SRV) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SRV Priority", l}
+ }
+ rr.Priority = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SRV Weight", l}
+ }
+ rr.Weight = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SRV Port", l}
+ }
+ rr.Port = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Target = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad SRV Target", l}
+ }
+ rr.Target = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *NAPTR) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NAPTR Order", l}
+ }
+ rr.Order = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NAPTR Preference", l}
+ }
+ rr.Preference = uint16(i)
+
+ // Flags
+ c.Next() // zBlank
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Flags", l}
+ }
+ l, _ = c.Next() // Either String or Quote
+ if l.value == zString {
+ rr.Flags = l.token
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Flags", l}
+ }
+ } else if l.value == zQuote {
+ rr.Flags = ""
+ } else {
+ return &ParseError{f, "bad NAPTR Flags", l}
+ }
+
+ // Service
+ c.Next() // zBlank
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Service", l}
+ }
+ l, _ = c.Next() // Either String or Quote
+ if l.value == zString {
+ rr.Service = l.token
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Service", l}
+ }
+ } else if l.value == zQuote {
+ rr.Service = ""
+ } else {
+ return &ParseError{f, "bad NAPTR Service", l}
+ }
+
+ // Regexp
+ c.Next() // zBlank
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Regexp", l}
+ }
+ l, _ = c.Next() // Either String or Quote
+ if l.value == zString {
+ rr.Regexp = l.token
+ l, _ = c.Next() // _QUOTE
+ if l.value != zQuote {
+ return &ParseError{f, "bad NAPTR Regexp", l}
+ }
+ } else if l.value == zQuote {
+ rr.Regexp = ""
+ } else {
+ return &ParseError{f, "bad NAPTR Regexp", l}
+ }
+
+ // After quote no space??
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Replacement = l.token
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad NAPTR Replacement", l}
+ }
+ rr.Replacement = name
+ return slurpRemainder(c, f)
+}
+
+func (rr *TALINK) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.PreviousName = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ previousName, previousNameOk := toAbsoluteName(l.token, o)
+ if l.err || !previousNameOk {
+ return &ParseError{f, "bad TALINK PreviousName", l}
+ }
+ rr.PreviousName = previousName
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rr.NextName = l.token
+
+ nextName, nextNameOk := toAbsoluteName(l.token, o)
+ if l.err || !nextNameOk {
+ return &ParseError{f, "bad TALINK NextName", l}
+ }
+ rr.NextName = nextName
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *LOC) parse(c *zlexer, o, f string) *ParseError {
+ // Non zero defaults for LOC record, see RFC 1876, Section 3.
+ rr.HorizPre = 165 // 10000
+ rr.VertPre = 162 // 10
+ rr.Size = 18 // 1
+ ok := false
+
+ // North
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+ i, e := strconv.ParseUint(l.token, 10, 32)
+ if e != nil || l.err {
+ return &ParseError{f, "bad LOC Latitude", l}
+ }
+ rr.Latitude = 1000 * 60 * 60 * uint32(i)
+
+ c.Next() // zBlank
+ // Either number, 'N' or 'S'
+ l, _ = c.Next()
+ if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
+ goto East
+ }
+ i, e = strconv.ParseUint(l.token, 10, 32)
+ if e != nil || l.err {
+ return &ParseError{f, "bad LOC Latitude minutes", l}
+ }
+ rr.Latitude += 1000 * 60 * uint32(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
+ return &ParseError{f, "bad LOC Latitude seconds", l}
+ } else {
+ rr.Latitude += uint32(1000 * i)
+ }
+ c.Next() // zBlank
+ // Either number, 'N' or 'S'
+ l, _ = c.Next()
+ if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
+ goto East
+ }
+ // If still alive, flag an error
+ return &ParseError{f, "bad LOC Latitude North/South", l}
+
+East:
+ // East
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, e := strconv.ParseUint(l.token, 10, 32); e != nil || l.err {
+ return &ParseError{f, "bad LOC Longitude", l}
+ } else {
+ rr.Longitude = 1000 * 60 * 60 * uint32(i)
+ }
+ c.Next() // zBlank
+ // Either number, 'E' or 'W'
+ l, _ = c.Next()
+ if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
+ goto Altitude
+ }
+ if i, e := strconv.ParseUint(l.token, 10, 32); e != nil || l.err {
+ return &ParseError{f, "bad LOC Longitude minutes", l}
+ } else {
+ rr.Longitude += 1000 * 60 * uint32(i)
+ }
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
+ return &ParseError{f, "bad LOC Longitude seconds", l}
+ } else {
+ rr.Longitude += uint32(1000 * i)
+ }
+ c.Next() // zBlank
+ // Either number, 'E' or 'W'
+ l, _ = c.Next()
+ if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
+ goto Altitude
+ }
+ // If still alive, flag an error
+ return &ParseError{f, "bad LOC Longitude East/West", l}
+
+Altitude:
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if len(l.token) == 0 || l.err {
+ return &ParseError{f, "bad LOC Altitude", l}
+ }
+ if l.token[len(l.token)-1] == 'M' || l.token[len(l.token)-1] == 'm' {
+ l.token = l.token[0 : len(l.token)-1]
+ }
+ if i, e := strconv.ParseFloat(l.token, 32); e != nil {
+ return &ParseError{f, "bad LOC Altitude", l}
+ } else {
+ rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5)
+ }
+
+ // And now optionally the other values
+ l, _ = c.Next()
+ count := 0
+ for l.value != zNewline && l.value != zEOF {
+ switch l.value {
+ case zString:
+ switch count {
+ case 0: // Size
+ e, m, ok := stringToCm(l.token)
+ if !ok {
+ return &ParseError{f, "bad LOC Size", l}
+ }
+ rr.Size = e&0x0f | m<<4&0xf0
+ case 1: // HorizPre
+ e, m, ok := stringToCm(l.token)
+ if !ok {
+ return &ParseError{f, "bad LOC HorizPre", l}
+ }
+ rr.HorizPre = e&0x0f | m<<4&0xf0
+ case 2: // VertPre
+ e, m, ok := stringToCm(l.token)
+ if !ok {
+ return &ParseError{f, "bad LOC VertPre", l}
+ }
+ rr.VertPre = e&0x0f | m<<4&0xf0
+ }
+ count++
+ case zBlank:
+ // Ok
+ default:
+ return &ParseError{f, "bad LOC Size, HorizPre or VertPre", l}
+ }
+ l, _ = c.Next()
+ }
+ return nil
+}
+
+func (rr *HIP) parse(c *zlexer, o, f string) *ParseError {
+ // HitLength is not represented
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad HIP PublicKeyAlgorithm", l}
+ }
+ rr.PublicKeyAlgorithm = uint8(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ if len(l.token) == 0 || l.err {
+ return &ParseError{f, "bad HIP Hit", l}
+ }
+ rr.Hit = l.token // This can not contain spaces, see RFC 5205 Section 6.
+ rr.HitLength = uint8(len(rr.Hit)) / 2
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ if len(l.token) == 0 || l.err {
+ return &ParseError{f, "bad HIP PublicKey", l}
+ }
+ rr.PublicKey = l.token // This cannot contain spaces
+ rr.PublicKeyLength = uint16(base64.StdEncoding.DecodedLen(len(rr.PublicKey)))
+
+ // RendezvousServers (if any)
+ l, _ = c.Next()
+ var xs []string
+ for l.value != zNewline && l.value != zEOF {
+ switch l.value {
+ case zString:
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad HIP RendezvousServers", l}
+ }
+ xs = append(xs, name)
+ case zBlank:
+ // Ok
+ default:
+ return &ParseError{f, "bad HIP RendezvousServers", l}
+ }
+ l, _ = c.Next()
+ }
+
+ rr.RendezvousServers = xs
+ return nil
+}
+
+func (rr *CERT) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ if v, ok := StringToCertType[l.token]; ok {
+ rr.Type = v
+ } else if i, e := strconv.ParseUint(l.token, 10, 16); e != nil {
+ return &ParseError{f, "bad CERT Type", l}
+ } else {
+ rr.Type = uint16(i)
+ }
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad CERT KeyTag", l}
+ }
+ rr.KeyTag = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ if v, ok := StringToAlgorithm[l.token]; ok {
+ rr.Algorithm = v
+ } else if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
+ return &ParseError{f, "bad CERT Algorithm", l}
+ } else {
+ rr.Algorithm = uint8(i)
+ }
+ s, e1 := endingToString(c, "bad CERT Certificate", f)
+ if e1 != nil {
+ return e1
+ }
+ rr.Certificate = s
+ return nil
+}
+
+func (rr *OPENPGPKEY) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToString(c, "bad OPENPGPKEY PublicKey", f)
+ if e != nil {
+ return e
+ }
+ rr.PublicKey = s
+ return nil
+}
+
+func (rr *CSYNC) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+ j, e := strconv.ParseUint(l.token, 10, 32)
+ if e != nil {
+ // Serial must be a number
+ return &ParseError{f, "bad CSYNC serial", l}
+ }
+ rr.Serial = uint32(j)
+
+ c.Next() // zBlank
+
+ l, _ = c.Next()
+ j, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil {
+ // Serial must be a number
+ return &ParseError{f, "bad CSYNC flags", l}
+ }
+ rr.Flags = uint16(j)
+
+ rr.TypeBitMap = make([]uint16, 0)
+ var (
+ k uint16
+ ok bool
+ )
+ l, _ = c.Next()
+ for l.value != zNewline && l.value != zEOF {
+ switch l.value {
+ case zBlank:
+ // Ok
+ case zString:
+ tokenUpper := strings.ToUpper(l.token)
+ if k, ok = StringToType[tokenUpper]; !ok {
+ if k, ok = typeToInt(l.token); !ok {
+ return &ParseError{f, "bad CSYNC TypeBitMap", l}
+ }
+ }
+ rr.TypeBitMap = append(rr.TypeBitMap, k)
+ default:
+ return &ParseError{f, "bad CSYNC TypeBitMap", l}
+ }
+ l, _ = c.Next()
+ }
+ return nil
+}
+
+func (rr *SIG) parse(c *zlexer, o, f string) *ParseError {
+ return rr.RRSIG.parse(c, o, f)
+}
+
+func (rr *RRSIG) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ tokenUpper := strings.ToUpper(l.token)
+ if t, ok := StringToType[tokenUpper]; !ok {
+ if strings.HasPrefix(tokenUpper, "TYPE") {
+ t, ok = typeToInt(l.token)
+ if !ok {
+ return &ParseError{f, "bad RRSIG Typecovered", l}
+ }
+ rr.TypeCovered = t
+ } else {
+ return &ParseError{f, "bad RRSIG Typecovered", l}
+ }
+ } else {
+ rr.TypeCovered = t
+ }
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, err := strconv.ParseUint(l.token, 10, 8)
+ if err != nil || l.err {
+ return &ParseError{f, "bad RRSIG Algorithm", l}
+ }
+ rr.Algorithm = uint8(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, err = strconv.ParseUint(l.token, 10, 8)
+ if err != nil || l.err {
+ return &ParseError{f, "bad RRSIG Labels", l}
+ }
+ rr.Labels = uint8(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, err = strconv.ParseUint(l.token, 10, 32)
+ if err != nil || l.err {
+ return &ParseError{f, "bad RRSIG OrigTtl", l}
+ }
+ rr.OrigTtl = uint32(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, err := StringToTime(l.token); err != nil {
+ // Try to see if all numeric and use it as epoch
+ if i, err := strconv.ParseInt(l.token, 10, 64); err == nil {
+ // TODO(miek): error out on > MAX_UINT32, same below
+ rr.Expiration = uint32(i)
+ } else {
+ return &ParseError{f, "bad RRSIG Expiration", l}
+ }
+ } else {
+ rr.Expiration = i
+ }
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, err := StringToTime(l.token); err != nil {
+ if i, err := strconv.ParseInt(l.token, 10, 64); err == nil {
+ rr.Inception = uint32(i)
+ } else {
+ return &ParseError{f, "bad RRSIG Inception", l}
+ }
+ } else {
+ rr.Inception = i
+ }
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, err = strconv.ParseUint(l.token, 10, 16)
+ if err != nil || l.err {
+ return &ParseError{f, "bad RRSIG KeyTag", l}
+ }
+ rr.KeyTag = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rr.SignerName = l.token
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad RRSIG SignerName", l}
+ }
+ rr.SignerName = name
+
+ s, e := endingToString(c, "bad RRSIG Signature", f)
+ if e != nil {
+ return e
+ }
+ rr.Signature = s
+
+ return nil
+}
+
+func (rr *NSEC) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ rr.NextDomain = l.token
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad NSEC NextDomain", l}
+ }
+ rr.NextDomain = name
+
+ rr.TypeBitMap = make([]uint16, 0)
+ var (
+ k uint16
+ ok bool
+ )
+ l, _ = c.Next()
+ for l.value != zNewline && l.value != zEOF {
+ switch l.value {
+ case zBlank:
+ // Ok
+ case zString:
+ tokenUpper := strings.ToUpper(l.token)
+ if k, ok = StringToType[tokenUpper]; !ok {
+ if k, ok = typeToInt(l.token); !ok {
+ return &ParseError{f, "bad NSEC TypeBitMap", l}
+ }
+ }
+ rr.TypeBitMap = append(rr.TypeBitMap, k)
+ default:
+ return &ParseError{f, "bad NSEC TypeBitMap", l}
+ }
+ l, _ = c.Next()
+ }
+ return nil
+}
+
+func (rr *NSEC3) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3 Hash", l}
+ }
+ rr.Hash = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3 Flags", l}
+ }
+ rr.Flags = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3 Iterations", l}
+ }
+ rr.Iterations = uint16(i)
+ c.Next()
+ l, _ = c.Next()
+ if len(l.token) == 0 || l.err {
+ return &ParseError{f, "bad NSEC3 Salt", l}
+ }
+ if l.token != "-" {
+ rr.SaltLength = uint8(len(l.token)) / 2
+ rr.Salt = l.token
+ }
+
+ c.Next()
+ l, _ = c.Next()
+ if len(l.token) == 0 || l.err {
+ return &ParseError{f, "bad NSEC3 NextDomain", l}
+ }
+ rr.HashLength = 20 // Fix for NSEC3 (sha1 160 bits)
+ rr.NextDomain = l.token
+
+ rr.TypeBitMap = make([]uint16, 0)
+ var (
+ k uint16
+ ok bool
+ )
+ l, _ = c.Next()
+ for l.value != zNewline && l.value != zEOF {
+ switch l.value {
+ case zBlank:
+ // Ok
+ case zString:
+ tokenUpper := strings.ToUpper(l.token)
+ if k, ok = StringToType[tokenUpper]; !ok {
+ if k, ok = typeToInt(l.token); !ok {
+ return &ParseError{f, "bad NSEC3 TypeBitMap", l}
+ }
+ }
+ rr.TypeBitMap = append(rr.TypeBitMap, k)
+ default:
+ return &ParseError{f, "bad NSEC3 TypeBitMap", l}
+ }
+ l, _ = c.Next()
+ }
+ return nil
+}
+
+func (rr *NSEC3PARAM) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3PARAM Hash", l}
+ }
+ rr.Hash = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3PARAM Flags", l}
+ }
+ rr.Flags = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NSEC3PARAM Iterations", l}
+ }
+ rr.Iterations = uint16(i)
+ c.Next()
+ l, _ = c.Next()
+ if l.token != "-" {
+ rr.SaltLength = uint8(len(l.token))
+ rr.Salt = l.token
+ }
+ return slurpRemainder(c, f)
+}
+
+func (rr *EUI48) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ if len(l.token) != 17 || l.err {
+ return &ParseError{f, "bad EUI48 Address", l}
+ }
+ addr := make([]byte, 12)
+ dash := 0
+ for i := 0; i < 10; i += 2 {
+ addr[i] = l.token[i+dash]
+ addr[i+1] = l.token[i+1+dash]
+ dash++
+ if l.token[i+1+dash] != '-' {
+ return &ParseError{f, "bad EUI48 Address", l}
+ }
+ }
+ addr[10] = l.token[15]
+ addr[11] = l.token[16]
+
+ i, e := strconv.ParseUint(string(addr), 16, 48)
+ if e != nil {
+ return &ParseError{f, "bad EUI48 Address", l}
+ }
+ rr.Address = i
+ return slurpRemainder(c, f)
+}
+
+func (rr *EUI64) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ if len(l.token) != 23 || l.err {
+ return &ParseError{f, "bad EUI64 Address", l}
+ }
+ addr := make([]byte, 16)
+ dash := 0
+ for i := 0; i < 14; i += 2 {
+ addr[i] = l.token[i+dash]
+ addr[i+1] = l.token[i+1+dash]
+ dash++
+ if l.token[i+1+dash] != '-' {
+ return &ParseError{f, "bad EUI64 Address", l}
+ }
+ }
+ addr[14] = l.token[21]
+ addr[15] = l.token[22]
+
+ i, e := strconv.ParseUint(string(addr), 16, 64)
+ if e != nil {
+ return &ParseError{f, "bad EUI68 Address", l}
+ }
+ rr.Address = i
+ return slurpRemainder(c, f)
+}
+
+func (rr *SSHFP) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SSHFP Algorithm", l}
+ }
+ rr.Algorithm = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SSHFP Type", l}
+ }
+ rr.Type = uint8(i)
+ c.Next() // zBlank
+ s, e1 := endingToString(c, "bad SSHFP Fingerprint", f)
+ if e1 != nil {
+ return e1
+ }
+ rr.FingerPrint = s
+ return nil
+}
+
+func (rr *DNSKEY) parseDNSKEY(c *zlexer, o, f, typ string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad " + typ + " Flags", l}
+ }
+ rr.Flags = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad " + typ + " Protocol", l}
+ }
+ rr.Protocol = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad " + typ + " Algorithm", l}
+ }
+ rr.Algorithm = uint8(i)
+ s, e1 := endingToString(c, "bad "+typ+" PublicKey", f)
+ if e1 != nil {
+ return e1
+ }
+ rr.PublicKey = s
+ return nil
+}
+
+func (rr *DNSKEY) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDNSKEY(c, o, f, "DNSKEY")
+}
+
+func (rr *KEY) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDNSKEY(c, o, f, "KEY")
+}
+
+func (rr *CDNSKEY) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDNSKEY(c, o, f, "CDNSKEY")
+}
+
+func (rr *RKEY) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad RKEY Flags", l}
+ }
+ rr.Flags = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad RKEY Protocol", l}
+ }
+ rr.Protocol = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad RKEY Algorithm", l}
+ }
+ rr.Algorithm = uint8(i)
+ s, e1 := endingToString(c, "bad RKEY PublicKey", f)
+ if e1 != nil {
+ return e1
+ }
+ rr.PublicKey = s
+ return nil
+}
+
+func (rr *EID) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToString(c, "bad EID Endpoint", f)
+ if e != nil {
+ return e
+ }
+ rr.Endpoint = s
+ return nil
+}
+
+func (rr *NIMLOC) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToString(c, "bad NIMLOC Locator", f)
+ if e != nil {
+ return e
+ }
+ rr.Locator = s
+ return nil
+}
+
+func (rr *GPOS) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ _, e := strconv.ParseFloat(l.token, 64)
+ if e != nil || l.err {
+ return &ParseError{f, "bad GPOS Longitude", l}
+ }
+ rr.Longitude = l.token
+ c.Next() // zBlank
+ l, _ = c.Next()
+ _, e = strconv.ParseFloat(l.token, 64)
+ if e != nil || l.err {
+ return &ParseError{f, "bad GPOS Latitude", l}
+ }
+ rr.Latitude = l.token
+ c.Next() // zBlank
+ l, _ = c.Next()
+ _, e = strconv.ParseFloat(l.token, 64)
+ if e != nil || l.err {
+ return &ParseError{f, "bad GPOS Altitude", l}
+ }
+ rr.Altitude = l.token
+ return slurpRemainder(c, f)
+}
+
+func (rr *DS) parseDS(c *zlexer, o, f, typ string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad " + typ + " KeyTag", l}
+ }
+ rr.KeyTag = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, e = strconv.ParseUint(l.token, 10, 8); e != nil {
+ tokenUpper := strings.ToUpper(l.token)
+ i, ok := StringToAlgorithm[tokenUpper]
+ if !ok || l.err {
+ return &ParseError{f, "bad " + typ + " Algorithm", l}
+ }
+ rr.Algorithm = i
+ } else {
+ rr.Algorithm = uint8(i)
+ }
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad " + typ + " DigestType", l}
+ }
+ rr.DigestType = uint8(i)
+ s, e1 := endingToString(c, "bad "+typ+" Digest", f)
+ if e1 != nil {
+ return e1
+ }
+ rr.Digest = s
+ return nil
+}
+
+func (rr *DS) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDS(c, o, f, "DS")
+}
+
+func (rr *DLV) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDS(c, o, f, "DLV")
+}
+
+func (rr *CDS) parse(c *zlexer, o, f string) *ParseError {
+ return rr.parseDS(c, o, f, "CDS")
+}
+
+func (rr *TA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad TA KeyTag", l}
+ }
+ rr.KeyTag = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
+ tokenUpper := strings.ToUpper(l.token)
+ i, ok := StringToAlgorithm[tokenUpper]
+ if !ok || l.err {
+ return &ParseError{f, "bad TA Algorithm", l}
+ }
+ rr.Algorithm = i
+ } else {
+ rr.Algorithm = uint8(i)
+ }
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad TA DigestType", l}
+ }
+ rr.DigestType = uint8(i)
+ s, err := endingToString(c, "bad TA Digest", f)
+ if err != nil {
+ return err
+ }
+ rr.Digest = s
+ return nil
+}
+
+func (rr *TLSA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad TLSA Usage", l}
+ }
+ rr.Usage = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad TLSA Selector", l}
+ }
+ rr.Selector = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad TLSA MatchingType", l}
+ }
+ rr.MatchingType = uint8(i)
+ // So this needs be e2 (i.e. different than e), because...??t
+ s, e2 := endingToString(c, "bad TLSA Certificate", f)
+ if e2 != nil {
+ return e2
+ }
+ rr.Certificate = s
+ return nil
+}
+
+func (rr *SMIMEA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SMIMEA Usage", l}
+ }
+ rr.Usage = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SMIMEA Selector", l}
+ }
+ rr.Selector = uint8(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 8)
+ if e != nil || l.err {
+ return &ParseError{f, "bad SMIMEA MatchingType", l}
+ }
+ rr.MatchingType = uint8(i)
+ // So this needs be e2 (i.e. different than e), because...??t
+ s, e2 := endingToString(c, "bad SMIMEA Certificate", f)
+ if e2 != nil {
+ return e2
+ }
+ rr.Certificate = s
+ return nil
+}
+
+func (rr *RFC3597) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if l.token != "\\#" {
+ return &ParseError{f, "bad RFC3597 Rdata", l}
+ }
+
+ c.Next() // zBlank
+ l, _ = c.Next()
+ rdlength, e := strconv.Atoi(l.token)
+ if e != nil || l.err {
+ return &ParseError{f, "bad RFC3597 Rdata ", l}
+ }
+
+ s, e1 := endingToString(c, "bad RFC3597 Rdata", f)
+ if e1 != nil {
+ return e1
+ }
+ if rdlength*2 != len(s) {
+ return &ParseError{f, "bad RFC3597 Rdata", l}
+ }
+ rr.Rdata = s
+ return nil
+}
+
+func (rr *SPF) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToTxtSlice(c, "bad SPF Txt", f)
+ if e != nil {
+ return e
+ }
+ rr.Txt = s
+ return nil
+}
+
+func (rr *AVC) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToTxtSlice(c, "bad AVC Txt", f)
+ if e != nil {
+ return e
+ }
+ rr.Txt = s
+ return nil
+}
+
+func (rr *TXT) parse(c *zlexer, o, f string) *ParseError {
+ // no zBlank reading here, because all this rdata is TXT
+ s, e := endingToTxtSlice(c, "bad TXT Txt", f)
+ if e != nil {
+ return e
+ }
+ rr.Txt = s
+ return nil
+}
+
+// identical to setTXT
+func (rr *NINFO) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToTxtSlice(c, "bad NINFO ZSData", f)
+ if e != nil {
+ return e
+ }
+ rr.ZSData = s
+ return nil
+}
+
+func (rr *URI) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad URI Priority", l}
+ }
+ rr.Priority = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ i, e = strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad URI Weight", l}
+ }
+ rr.Weight = uint16(i)
+
+ c.Next() // zBlank
+ s, err := endingToTxtSlice(c, "bad URI Target", f)
+ if err != nil {
+ return err
+ }
+ if len(s) != 1 {
+ return &ParseError{f, "bad URI Target", l}
+ }
+ rr.Target = s[0]
+ return nil
+}
+
+func (rr *DHCID) parse(c *zlexer, o, f string) *ParseError {
+ // awesome record to parse!
+ s, e := endingToString(c, "bad DHCID Digest", f)
+ if e != nil {
+ return e
+ }
+ rr.Digest = s
+ return nil
+}
+
+func (rr *NID) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad NID Preference", l}
+ }
+ rr.Preference = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ u, err := stringToNodeID(l)
+ if err != nil || l.err {
+ return err
+ }
+ rr.NodeID = u
+ return slurpRemainder(c, f)
+}
+
+func (rr *L32) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad L32 Preference", l}
+ }
+ rr.Preference = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Locator32 = net.ParseIP(l.token)
+ if rr.Locator32 == nil || l.err {
+ return &ParseError{f, "bad L32 Locator", l}
+ }
+ return slurpRemainder(c, f)
+}
+
+func (rr *LP) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad LP Preference", l}
+ }
+ rr.Preference = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Fqdn = l.token
+ name, nameOk := toAbsoluteName(l.token, o)
+ if l.err || !nameOk {
+ return &ParseError{f, "bad LP Fqdn", l}
+ }
+ rr.Fqdn = name
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *L64) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad L64 Preference", l}
+ }
+ rr.Preference = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ u, err := stringToNodeID(l)
+ if err != nil || l.err {
+ return err
+ }
+ rr.Locator64 = u
+ return slurpRemainder(c, f)
+}
+
+func (rr *UID) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 32)
+ if e != nil || l.err {
+ return &ParseError{f, "bad UID Uid", l}
+ }
+ rr.Uid = uint32(i)
+ return slurpRemainder(c, f)
+}
+
+func (rr *GID) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 32)
+ if e != nil || l.err {
+ return &ParseError{f, "bad GID Gid", l}
+ }
+ rr.Gid = uint32(i)
+ return slurpRemainder(c, f)
+}
+
+func (rr *UINFO) parse(c *zlexer, o, f string) *ParseError {
+ s, e := endingToTxtSlice(c, "bad UINFO Uinfo", f)
+ if e != nil {
+ return e
+ }
+ if ln := len(s); ln == 0 {
+ return nil
+ }
+ rr.Uinfo = s[0] // silently discard anything after the first character-string
+ return nil
+}
+
+func (rr *PX) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return slurpRemainder(c, f)
+ }
+
+ i, e := strconv.ParseUint(l.token, 10, 16)
+ if e != nil || l.err {
+ return &ParseError{f, "bad PX Preference", l}
+ }
+ rr.Preference = uint16(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Map822 = l.token
+ map822, map822Ok := toAbsoluteName(l.token, o)
+ if l.err || !map822Ok {
+ return &ParseError{f, "bad PX Map822", l}
+ }
+ rr.Map822 = map822
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ rr.Mapx400 = l.token
+ mapx400, mapx400Ok := toAbsoluteName(l.token, o)
+ if l.err || !mapx400Ok {
+ return &ParseError{f, "bad PX Mapx400", l}
+ }
+ rr.Mapx400 = mapx400
+
+ return slurpRemainder(c, f)
+}
+
+func (rr *CAA) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+ if len(l.token) == 0 { // dynamic update rr.
+ return nil
+ }
+
+ i, err := strconv.ParseUint(l.token, 10, 8)
+ if err != nil || l.err {
+ return &ParseError{f, "bad CAA Flag", l}
+ }
+ rr.Flag = uint8(i)
+
+ c.Next() // zBlank
+ l, _ = c.Next() // zString
+ if l.value != zString {
+ return &ParseError{f, "bad CAA Tag", l}
+ }
+ rr.Tag = l.token
+
+ c.Next() // zBlank
+ s, e := endingToTxtSlice(c, "bad CAA Value", f)
+ if e != nil {
+ return e
+ }
+ if len(s) != 1 {
+ return &ParseError{f, "bad CAA Value", l}
+ }
+ rr.Value = s[0]
+ return nil
+}
+
+func (rr *TKEY) parse(c *zlexer, o, f string) *ParseError {
+ l, _ := c.Next()
+
+ // Algorithm
+ if l.value != zString {
+ return &ParseError{f, "bad TKEY algorithm", l}
+ }
+ rr.Algorithm = l.token
+ c.Next() // zBlank
+
+ // Get the key length and key values
+ l, _ = c.Next()
+ i, err := strconv.ParseUint(l.token, 10, 8)
+ if err != nil || l.err {
+ return &ParseError{f, "bad TKEY key length", l}
+ }
+ rr.KeySize = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if l.value != zString {
+ return &ParseError{f, "bad TKEY key", l}
+ }
+ rr.Key = l.token
+ c.Next() // zBlank
+
+ // Get the otherdata length and string data
+ l, _ = c.Next()
+ i, err = strconv.ParseUint(l.token, 10, 8)
+ if err != nil || l.err {
+ return &ParseError{f, "bad TKEY otherdata length", l}
+ }
+ rr.OtherLen = uint16(i)
+ c.Next() // zBlank
+ l, _ = c.Next()
+ if l.value != zString {
+ return &ParseError{f, "bad TKEY otherday", l}
+ }
+ rr.OtherData = l.token
+
+ return nil
+}
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