1621 lines
34 KiB
Go
1621 lines
34 KiB
Go
package dns
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"net"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// Parse the rdata of each rrtype.
|
|
// All data from the channel c is either _STRING or _BLANK.
|
|
// After the rdata there may come 1 _BLANK and then a _NEWLINE
|
|
// or immediately a _NEWLINE. If this is not the case we flag
|
|
// an *ParseError: garbage after rdata.
|
|
func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
var r RR
|
|
e := new(ParseError)
|
|
switch h.Rrtype {
|
|
case TypeA:
|
|
r, e = setA(h, c, f)
|
|
goto Slurp
|
|
case TypeAAAA:
|
|
r, e = setAAAA(h, c, f)
|
|
goto Slurp
|
|
case TypeHINFO:
|
|
r, e = setHINFO(h, c, f)
|
|
goto Slurp
|
|
case TypeNS:
|
|
r, e = setNS(h, c, o, f)
|
|
goto Slurp
|
|
case TypePTR:
|
|
r, e = setPTR(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMF:
|
|
r, e = setMF(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMD:
|
|
r, e = setMD(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMG:
|
|
r, e = setMG(h, c, o, f)
|
|
goto Slurp
|
|
case TypeRT:
|
|
r, e = setRT(h, c, o, f)
|
|
goto Slurp
|
|
case TypeAFSDB:
|
|
r, e = setAFSDB(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMX:
|
|
r, e = setMX(h, c, o, f)
|
|
goto Slurp
|
|
case TypeCNAME:
|
|
r, e = setCNAME(h, c, o, f)
|
|
goto Slurp
|
|
case TypeDNAME:
|
|
r, e = setDNAME(h, c, o, f)
|
|
goto Slurp
|
|
case TypeSOA:
|
|
r, e = setSOA(h, c, o, f)
|
|
goto Slurp
|
|
case TypeSSHFP:
|
|
r, e = setSSHFP(h, c, f)
|
|
goto Slurp
|
|
case TypeSRV:
|
|
r, e = setSRV(h, c, o, f)
|
|
goto Slurp
|
|
case TypeNAPTR:
|
|
r, e = setNAPTR(h, c, o, f)
|
|
goto Slurp
|
|
case TypeTALINK:
|
|
r, e = setTALINK(h, c, o, f)
|
|
goto Slurp
|
|
case TypeRP:
|
|
r, e = setRP(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMR:
|
|
r, e = setMR(h, c, o, f)
|
|
goto Slurp
|
|
case TypeMB:
|
|
r, e = setMB(h, c, o, f)
|
|
goto Slurp
|
|
case TypeKX:
|
|
r, e = setKX(h, c, o, f)
|
|
goto Slurp
|
|
// These types have a variable ending: either chunks of txt or chunks/base64 or hex.
|
|
// They need to search for the end of the RR themselves, hence they look for the ending
|
|
// newline. Thus there is no need to slurp the remainder, because there is none.
|
|
case TypeDNSKEY:
|
|
return setDNSKEY(h, c, f)
|
|
case TypeRRSIG:
|
|
return setRRSIG(h, c, o, f)
|
|
case TypeNSEC:
|
|
return setNSEC(h, c, o, f)
|
|
case TypeNSEC3:
|
|
return setNSEC3(h, c, o, f)
|
|
case TypeNSEC3PARAM:
|
|
return setNSEC3PARAM(h, c, f)
|
|
case TypeWKS:
|
|
return setWKS(h, c, f)
|
|
case TypeDS:
|
|
return setDS(h, c, f)
|
|
case TypeDLV:
|
|
return setDLV(h, c, f)
|
|
case TypeTA:
|
|
return setTA(h, c, f)
|
|
case TypeTLSA:
|
|
return setTLSA(h, c, f)
|
|
case TypeTXT:
|
|
return setTXT(h, c, f)
|
|
case TypeHIP:
|
|
return setHIP(h, c, o, f)
|
|
case TypeSPF:
|
|
return setSPF(h, c, f)
|
|
case TypeDHCID:
|
|
return setDHCID(h, c, f)
|
|
case TypeIPSECKEY:
|
|
return setIPSECKEY(h, c, o, f)
|
|
case TypeLOC:
|
|
r, e = setLOC(h, c, f)
|
|
default:
|
|
// RFC3957 RR (Unknown RR handling)
|
|
return setRFC3597(h, c, f)
|
|
}
|
|
Slurp:
|
|
if e != nil {
|
|
return nil, e
|
|
}
|
|
if se := slurpRemainder(c, f); se != nil {
|
|
return nil, se
|
|
}
|
|
return r, e
|
|
}
|
|
|
|
func setA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_A)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.A = net.ParseIP(l.token)
|
|
if rr.A == nil {
|
|
return nil, &ParseError{f, "bad A A", l}
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setAAAA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_AAAA)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.AAAA = net.ParseIP(l.token)
|
|
if rr.AAAA == nil {
|
|
return nil, &ParseError{f, "bad AAAA AAAA", l}
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_NS)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Ns = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad NS Ns", l}
|
|
}
|
|
if rr.Ns[ld-1] != '.' {
|
|
rr.Ns = appendOrigin(rr.Ns, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_PTR)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Ptr = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad PTR Ptr", l}
|
|
}
|
|
if rr.Ptr[ld-1] != '.' {
|
|
rr.Ptr = appendOrigin(rr.Ptr, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setRP(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_RP)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Mbox = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad RP Mbox", l}
|
|
}
|
|
if rr.Mbox[ld-1] != '.' {
|
|
rr.Mbox = appendOrigin(rr.Mbox, o)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
rr.Txt = l.token
|
|
_, ld, ok = IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad RP Txt", l}
|
|
}
|
|
if rr.Txt[ld-1] != '.' {
|
|
rr.Txt = appendOrigin(rr.Txt, o)
|
|
}
|
|
|
|
return rr, nil
|
|
}
|
|
|
|
func setMR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MR)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Mr = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MR Mr", l}
|
|
}
|
|
if rr.Mr[ld-1] != '.' {
|
|
rr.Mr = appendOrigin(rr.Mr, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setMB(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MB)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Mb = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MB Mb", l}
|
|
}
|
|
if rr.Mb[ld-1] != '.' {
|
|
rr.Mb = appendOrigin(rr.Mb, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setMG(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MG)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Mg = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MG Mg", l}
|
|
}
|
|
if rr.Mg[ld-1] != '.' {
|
|
rr.Mg = appendOrigin(rr.Mg, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setHINFO(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_HINFO)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Cpu = l.token
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Os = l.token
|
|
|
|
return rr, nil
|
|
}
|
|
|
|
func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MINFO)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Rmail = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MINFO Rmail", l}
|
|
}
|
|
if rr.Rmail[ld-1] != '.' {
|
|
rr.Rmail = appendOrigin(rr.Rmail, o)
|
|
}
|
|
l = <-c
|
|
rr.Email = l.token
|
|
_, ld, ok = IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MINFO Email", l}
|
|
}
|
|
if rr.Email[ld-1] != '.' {
|
|
rr.Email = appendOrigin(rr.Email, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MF)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Mf = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MF Mf", l}
|
|
}
|
|
if rr.Mf[ld-1] != '.' {
|
|
rr.Mf = appendOrigin(rr.Mf, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MD)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Md = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MD Md", l}
|
|
}
|
|
if rr.Md[ld-1] != '.' {
|
|
rr.Md = appendOrigin(rr.Md, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_MX)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad MX Pref", l}
|
|
} else {
|
|
rr.Pref = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Mx = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad MX Mx", l}
|
|
}
|
|
if rr.Mx[ld-1] != '.' {
|
|
rr.Mx = appendOrigin(rr.Mx, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setRT(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_RT)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad RT Preference", l}
|
|
} else {
|
|
rr.Preference = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Host = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad RT Host", l}
|
|
}
|
|
if rr.Host[ld-1] != '.' {
|
|
rr.Host = appendOrigin(rr.Host, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setAFSDB(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_AFSDB)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad AFSDB Subtype", l}
|
|
} else {
|
|
rr.Subtype = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Hostname = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad AFSDB Hostname", l}
|
|
}
|
|
if rr.Hostname[ld-1] != '.' {
|
|
rr.Hostname = appendOrigin(rr.Hostname, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setKX(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_KX)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad KX Pref", l}
|
|
} else {
|
|
rr.Pref = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Exchanger = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad KX Exchanger", l}
|
|
}
|
|
if rr.Exchanger[ld-1] != '.' {
|
|
rr.Exchanger = appendOrigin(rr.Exchanger, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setCNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_CNAME)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Target = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad CNAME Target", l}
|
|
}
|
|
if rr.Target[ld-1] != '.' {
|
|
rr.Target = appendOrigin(rr.Target, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setDNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_DNAME)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Target = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad CNAME Target", l}
|
|
}
|
|
if rr.Target[ld-1] != '.' {
|
|
rr.Target = appendOrigin(rr.Target, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_SOA)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Ns = l.token
|
|
<-c // _BLANK
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad SOA Ns", l}
|
|
}
|
|
if rr.Ns[ld-1] != '.' {
|
|
rr.Ns = appendOrigin(rr.Ns, o)
|
|
}
|
|
|
|
l = <-c
|
|
rr.Mbox = l.token
|
|
_, ld, ok = IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad SOA Mbox", l}
|
|
}
|
|
if rr.Mbox[ld-1] != '.' {
|
|
rr.Mbox = appendOrigin(rr.Mbox, o)
|
|
}
|
|
<-c // _BLANK
|
|
|
|
var v uint32
|
|
for i := 0; i < 5; i++ {
|
|
l = <-c
|
|
if j, e := strconv.Atoi(l.token); e != nil {
|
|
if i == 0 {
|
|
// Serial should be a number
|
|
return nil, &ParseError{f, "bad SOA zone parameter", l}
|
|
}
|
|
if v, ok = stringToTtl(l.token); !ok {
|
|
return nil, &ParseError{f, "bad SOA zone parameter", l}
|
|
|
|
}
|
|
} else {
|
|
v = uint32(j)
|
|
}
|
|
switch i {
|
|
case 0:
|
|
rr.Serial = v
|
|
<-c // _BLANK
|
|
case 1:
|
|
rr.Refresh = v
|
|
<-c // _BLANK
|
|
case 2:
|
|
rr.Retry = v
|
|
<-c // _BLANK
|
|
case 3:
|
|
rr.Expire = v
|
|
<-c // _BLANK
|
|
case 4:
|
|
rr.Minttl = v
|
|
}
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setSRV(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_SRV)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad SRV Priority", l}
|
|
} else {
|
|
rr.Priority = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad SRV Weight", l}
|
|
} else {
|
|
rr.Weight = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad SRV Port", l}
|
|
} else {
|
|
rr.Port = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Target = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad SRV Target", l}
|
|
}
|
|
if rr.Target[ld-1] != '.' {
|
|
rr.Target = appendOrigin(rr.Target, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setNAPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_NAPTR)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NAPTR Order", l}
|
|
} else {
|
|
rr.Order = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NAPTR Preference", l}
|
|
} else {
|
|
rr.Pref = uint16(i)
|
|
}
|
|
// Flags
|
|
<-c // _BLANK
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Flags", l}
|
|
}
|
|
l = <-c // Either String or Quote
|
|
if l.value == _STRING {
|
|
rr.Flags = l.token
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Flags", l}
|
|
}
|
|
} else if l.value == _QUOTE {
|
|
rr.Flags = ""
|
|
} else {
|
|
return nil, &ParseError{f, "bad NAPTR Flags", l}
|
|
}
|
|
|
|
// Service
|
|
<-c // _BLANK
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Service", l}
|
|
}
|
|
l = <-c // Either String or Quote
|
|
if l.value == _STRING {
|
|
rr.Service = l.token
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Service", l}
|
|
}
|
|
} else if l.value == _QUOTE {
|
|
rr.Service = ""
|
|
} else {
|
|
return nil, &ParseError{f, "bad NAPTR Service", l}
|
|
}
|
|
|
|
// Regexp
|
|
<-c // _BLANK
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}
|
|
}
|
|
l = <-c // Either String or Quote
|
|
if l.value == _STRING {
|
|
rr.Regexp = l.token
|
|
l = <-c // _QUOTE
|
|
if l.value != _QUOTE {
|
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}
|
|
}
|
|
} else if l.value == _QUOTE {
|
|
rr.Regexp = ""
|
|
} else {
|
|
return nil, &ParseError{f, "bad NAPTR Regexp", l}
|
|
}
|
|
// After quote no space??
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Replacement = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad NAPTR Replacement", l}
|
|
}
|
|
if rr.Replacement[ld-1] != '.' {
|
|
rr.Replacement = appendOrigin(rr.Replacement, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setTALINK(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_TALINK)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.PreviousName = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad TALINK PreviousName", l}
|
|
}
|
|
if rr.PreviousName[ld-1] != '.' {
|
|
rr.PreviousName = appendOrigin(rr.PreviousName, o)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
rr.NextName = l.token
|
|
_, ld, ok = IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad TALINK NextName", l}
|
|
}
|
|
if rr.NextName[ld-1] != '.' {
|
|
rr.NextName = appendOrigin(rr.NextName, o)
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setLOC(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_LOC)
|
|
rr.Hdr = h
|
|
// 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
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Latitude", l}
|
|
} else {
|
|
rr.Latitude = 1000 * 60 * 60 * uint32(i)
|
|
}
|
|
<-c // _BLANK
|
|
// Either number, 'N' or 'S'
|
|
l = <-c
|
|
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
|
|
goto East
|
|
}
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Latitude minutes", l}
|
|
} else {
|
|
rr.Latitude += 1000 * 60 * uint32(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.ParseFloat(l.token, 32); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Latitude seconds", l}
|
|
} else {
|
|
rr.Latitude += uint32(1000 * i)
|
|
}
|
|
<-c // _BLANK
|
|
// Either number, 'N' or 'S'
|
|
l = <-c
|
|
if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok {
|
|
goto East
|
|
}
|
|
// If still alive, flag an error
|
|
return nil, &ParseError{f, "bad LOC Latitude North/South", l}
|
|
|
|
East:
|
|
// East
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Longitude", l}
|
|
} else {
|
|
rr.Longitude = 1000 * 60 * 60 * uint32(i)
|
|
}
|
|
<-c // _BLANK
|
|
// Either number, 'E' or 'W'
|
|
l = <-c
|
|
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
|
|
goto Altitude
|
|
}
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Longitude minutes", l}
|
|
} else {
|
|
rr.Longitude += 1000 * 60 * uint32(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.ParseFloat(l.token, 32); e != nil {
|
|
return nil, &ParseError{f, "bad LOC Longitude seconds", l}
|
|
} else {
|
|
rr.Longitude += uint32(1000 * i)
|
|
}
|
|
<-c // _BLANK
|
|
// Either number, 'E' or 'W'
|
|
l = <-c
|
|
if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok {
|
|
goto Altitude
|
|
}
|
|
// If still alive, flag an error
|
|
return nil, &ParseError{f, "bad LOC Longitude East/West", l}
|
|
|
|
Altitude:
|
|
<-c // _BLANK
|
|
l = <-c
|
|
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 nil, &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
|
|
count := 0
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
switch count {
|
|
case 0: // Size
|
|
if e, m, ok := stringToCm(l.token); !ok {
|
|
return nil, &ParseError{f, "bad LOC Size", l}
|
|
} else {
|
|
rr.Size = (e & 0x0f) | (m << 4 & 0xf0)
|
|
}
|
|
case 1: // HorizPre
|
|
if e, m, ok := stringToCm(l.token); !ok {
|
|
return nil, &ParseError{f, "bad LOC HorizPre", l}
|
|
} else {
|
|
rr.HorizPre = (e & 0x0f) | (m << 4 & 0xf0)
|
|
}
|
|
case 2: // VertPre
|
|
if e, m, ok := stringToCm(l.token); !ok {
|
|
return nil, &ParseError{f, "bad LOC VertPre", l}
|
|
} else {
|
|
rr.VertPre = (e & 0x0f) | (m << 4 & 0xf0)
|
|
}
|
|
}
|
|
count++
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad LOC Size, HorizPre or VertPre", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setHIP(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_HIP)
|
|
rr.Hdr = h
|
|
|
|
// HitLength is not represented
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad HIP PublicKeyAlgorithm", l}
|
|
} else {
|
|
rr.PublicKeyAlgorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.Hit = l.token // This can not contain spaces, see RFC 5205 Section 6.
|
|
rr.HitLength = uint8(len(rr.Hit)) / 2
|
|
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
rr.PublicKey = l.token // This cannot contain spaces
|
|
rr.PublicKeyLength = uint16(base64.StdEncoding.DecodedLen(len(rr.PublicKey)))
|
|
|
|
// RendezvousServers (if any)
|
|
l = <-c
|
|
xs := make([]string, 0)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad HIP RendezvousServers", l}
|
|
}
|
|
if l.token[ld-1] != '.' {
|
|
l.token = appendOrigin(l.token, o)
|
|
}
|
|
xs = append(xs, l.token)
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad HIP RendezvousServers", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.RendezvousServers = xs
|
|
return rr, nil
|
|
}
|
|
|
|
func setCERT(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_CERT)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad CERT Type", l}
|
|
} else {
|
|
rr.Type = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NAPTR KeyTag", l}
|
|
} else {
|
|
rr.KeyTag = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NAPTR Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
// Get the remaining data until we see a NEWLINE
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad NAPTR Certificate", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Certificate = s
|
|
|
|
return rr, nil
|
|
}
|
|
|
|
func setRRSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_RRSIG)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if t, ok := Str_rr[strings.ToUpper(l.token)]; !ok {
|
|
return nil, &ParseError{f, "bad RRSIG Typecovered", l}
|
|
} else {
|
|
rr.TypeCovered = t
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := strconv.Atoi(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := strconv.Atoi(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG Labels", l}
|
|
} else {
|
|
rr.Labels = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := strconv.Atoi(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG OrigTtl", l}
|
|
} else {
|
|
rr.OrigTtl = uint32(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := DateToTime(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG Expiration", l}
|
|
} else {
|
|
rr.Expiration = i
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := DateToTime(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG Inception", l}
|
|
} else {
|
|
rr.Inception = i
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, err := strconv.Atoi(l.token); err != nil {
|
|
return nil, &ParseError{f, "bad RRSIG KeyTag", l}
|
|
} else {
|
|
rr.KeyTag = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
rr.SignerName = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad RRSIG SignerName", l}
|
|
}
|
|
if rr.SignerName[ld-1] != '.' {
|
|
rr.SignerName = appendOrigin(rr.SignerName, o)
|
|
}
|
|
// Get the remaining data until we see a NEWLINE
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad RRSIG Signature", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Signature = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setNSEC(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_NSEC)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.NextDomain = l.token
|
|
_, ld, ok := IsDomainName(l.token)
|
|
if !ok {
|
|
return nil, &ParseError{f, "bad NSEC NextDomain", l}
|
|
}
|
|
if rr.NextDomain[ld-1] != '.' {
|
|
rr.NextDomain = appendOrigin(rr.NextDomain, o)
|
|
}
|
|
|
|
rr.TypeBitMap = make([]uint16, 0)
|
|
var k uint16
|
|
l = <-c
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _BLANK:
|
|
// Ok
|
|
case _STRING:
|
|
if k, ok = Str_rr[strings.ToUpper(l.token)]; !ok {
|
|
if k, ok = typeToInt(l.token); !ok {
|
|
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}
|
|
}
|
|
}
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
default:
|
|
return nil, &ParseError{f, "bad NSEC TypeBitMap", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setNSEC3(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_NSEC3)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3 Hash", l}
|
|
} else {
|
|
rr.Hash = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3 Flags", l}
|
|
} else {
|
|
rr.Flags = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3 Iterations", l}
|
|
} else {
|
|
rr.Iterations = uint16(i)
|
|
}
|
|
<-c
|
|
l = <-c
|
|
if len(l.token) == 0 {
|
|
return nil, &ParseError{f, "bad NSEC3 Salt", l}
|
|
}
|
|
rr.SaltLength = uint8(len(l.token)) / 2
|
|
rr.Salt = l.token
|
|
|
|
<-c
|
|
l = <-c
|
|
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
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _BLANK:
|
|
// Ok
|
|
case _STRING:
|
|
if k, ok = Str_rr[strings.ToUpper(l.token)]; !ok {
|
|
if k, ok = typeToInt(l.token); !ok {
|
|
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}
|
|
}
|
|
}
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
default:
|
|
return nil, &ParseError{f, "bad NSEC3 TypeBitMap", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setNSEC3PARAM(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_NSEC3PARAM)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3PARAM Hash", l}
|
|
} else {
|
|
rr.Hash = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3PARAM Flags", l}
|
|
} else {
|
|
rr.Flags = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad NSEC3PARAM Iterations", l}
|
|
} else {
|
|
rr.Iterations = uint16(i)
|
|
}
|
|
<-c
|
|
l = <-c
|
|
rr.SaltLength = uint8(len(l.token))
|
|
rr.Salt = l.token
|
|
return rr, nil
|
|
}
|
|
|
|
func setWKS(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_WKS)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
rr.Address = net.ParseIP(l.token)
|
|
if rr.Address == nil {
|
|
return nil, &ParseError{f, "bad WKS Adress", l}
|
|
}
|
|
|
|
<-c // _BLANK
|
|
l = <-c
|
|
proto := "tcp"
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad WKS Protocol", l}
|
|
} else {
|
|
rr.Protocol = uint8(i)
|
|
switch rr.Protocol {
|
|
case 17:
|
|
proto = "udp"
|
|
case 6:
|
|
proto = "tcp"
|
|
default:
|
|
return nil, &ParseError{f, "bad WKS Protocol", l}
|
|
}
|
|
}
|
|
|
|
<-c
|
|
l = <-c
|
|
rr.BitMap = make([]uint16, 0)
|
|
var (
|
|
k int
|
|
err error
|
|
)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _BLANK:
|
|
// Ok
|
|
case _STRING:
|
|
if k, err = net.LookupPort(proto, l.token); err != nil {
|
|
if i, e := strconv.Atoi(l.token); e != nil { // If a number use that
|
|
rr.BitMap = append(rr.BitMap, uint16(i))
|
|
} else {
|
|
return nil, &ParseError{f, "bad WKS BitMap", l}
|
|
}
|
|
}
|
|
rr.BitMap = append(rr.BitMap, uint16(k))
|
|
default:
|
|
return nil, &ParseError{f, "bad WKS BitMap", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
return rr, nil
|
|
}
|
|
|
|
func setSSHFP(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_SSHFP)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad SSHFP Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad SSHFP Type", l}
|
|
} else {
|
|
rr.Type = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
rr.FingerPrint = l.token
|
|
return rr, nil
|
|
}
|
|
|
|
func setDNSKEY(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_DNSKEY)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DNSKEY Flags", l}
|
|
} else {
|
|
rr.Flags = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DNSKEY Protocol", l}
|
|
} else {
|
|
rr.Protocol = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c // _STRING
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DNSKEY Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
l = <-c
|
|
var s string
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad DNSKEY PublicKey", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.PublicKey = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setDS(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_DS)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DS KeyTag", l}
|
|
} else {
|
|
rr.KeyTag = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
if i, ok := Str_alg[strings.ToUpper(l.token)]; !ok {
|
|
return nil, &ParseError{f, "bad DS Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = i
|
|
}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DS DigestType", l}
|
|
} else {
|
|
rr.DigestType = uint8(i)
|
|
}
|
|
// There can be spaces here...
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad DS Digest", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Digest = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setDLV(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_DLV)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DLV KeyTag", l}
|
|
} else {
|
|
rr.KeyTag = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
if i, ok := Str_alg[strings.ToUpper(l.token)]; !ok {
|
|
return nil, &ParseError{f, "bad DLV Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = i
|
|
}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad DLV DigestType", l}
|
|
} else {
|
|
rr.DigestType = uint8(i)
|
|
}
|
|
// There can be spaces here...
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad DLV Digest", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Digest = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setTA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_TA)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad TA KeyTag", l}
|
|
} else {
|
|
rr.KeyTag = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
if i, ok := Str_alg[strings.ToUpper(l.token)]; !ok {
|
|
return nil, &ParseError{f, "bad TA Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = i
|
|
}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad TA DigestType", l}
|
|
} else {
|
|
rr.DigestType = uint8(i)
|
|
}
|
|
// There can be spaces here...
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad TA Digest", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Digest = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setTLSA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_TLSA)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad TLSA Usage", l}
|
|
} else {
|
|
rr.Usage = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad TLSA Selector", l}
|
|
} else {
|
|
rr.Selector = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad TLSA MatchingType", l}
|
|
} else {
|
|
rr.MatchingType = uint8(i)
|
|
}
|
|
// There can be spaces here...
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad TLSA Certificate", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Certificate = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setRFC3597(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_RFC3597)
|
|
rr.Hdr = h
|
|
l := <-c
|
|
if l.token != "\\#" {
|
|
return nil, &ParseError{f, "unkown RR type", l}
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
rdlength, e := strconv.Atoi(l.token)
|
|
if e != nil {
|
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}
|
|
}
|
|
// There can be spaces here...
|
|
l = <-c
|
|
s := ""
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
if rdlength*2 != len(s) {
|
|
return nil, &ParseError{f, "bad RFC3597 Rdata", l}
|
|
}
|
|
rr.Rdata = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setSPF(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_SPF)
|
|
rr.Hdr = h
|
|
|
|
// Get the remaining data until we see a NEWLINE
|
|
quote := false
|
|
l := <-c
|
|
var s []string
|
|
switch l.value == _QUOTE {
|
|
case true: // A number of quoted string
|
|
s = make([]string, 0)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s = append(s, l.token)
|
|
case _BLANK:
|
|
if quote {
|
|
// _BLANK can only be seen in between txt parts.
|
|
return nil, &ParseError{f, "bad SPF Txt", l}
|
|
}
|
|
case _QUOTE:
|
|
quote = !quote
|
|
default:
|
|
return nil, &ParseError{f, "bad SPF Txt", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
if quote {
|
|
return nil, &ParseError{f, "bad SPF Txt", l}
|
|
}
|
|
case false: // Unquoted text record
|
|
s = make([]string, 1)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
s[0] += l.token
|
|
l = <-c
|
|
}
|
|
}
|
|
rr.Txt = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setTXT(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_TXT)
|
|
rr.Hdr = h
|
|
|
|
// Get the remaining data until we see a NEWLINE
|
|
quote := false
|
|
l := <-c
|
|
var s []string
|
|
switch l.value == _QUOTE {
|
|
case true: // A number of quoted string
|
|
s = make([]string, 0)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s = append(s, l.token)
|
|
case _BLANK:
|
|
if quote {
|
|
// _BLANK can only be seen in between txt parts.
|
|
return nil, &ParseError{f, "bad TXT Txt", l}
|
|
}
|
|
case _QUOTE:
|
|
quote = !quote
|
|
default:
|
|
return nil, &ParseError{f, "bad TXT Txt", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
if quote {
|
|
return nil, &ParseError{f, "bad TXT Txt", l}
|
|
}
|
|
case false: // Unquoted text record
|
|
s = make([]string, 1)
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
s[0] += l.token
|
|
l = <-c
|
|
}
|
|
}
|
|
rr.Txt = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setURI(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
rr := new(RR_URI)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad URI Priority", l}
|
|
} else {
|
|
rr.Priority = uint16(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad URI Weight", l}
|
|
} else {
|
|
rr.Weight = uint16(i)
|
|
}
|
|
// _BLANK?
|
|
|
|
// Get the remaining data until we see a NEWLINE
|
|
quote := false
|
|
l = <-c
|
|
var s string
|
|
switch l.value == _QUOTE {
|
|
case true:
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
if quote {
|
|
// _BLANK can only be seen in between txt parts.
|
|
return nil, &ParseError{f, "bad URI Target", l}
|
|
}
|
|
case _QUOTE:
|
|
quote = !quote
|
|
default:
|
|
return nil, &ParseError{f, "bad URI Target", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
if quote {
|
|
return nil, &ParseError{f, "bad URI Target", l}
|
|
}
|
|
case false: // Unquoted
|
|
return nil, &ParseError{f, "bad URI Target", l}
|
|
}
|
|
rr.Target = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setIPSECKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
|
rr := new(RR_IPSECKEY)
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad IPSECKEY Precedence", l}
|
|
} else {
|
|
rr.Precedence = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad IPSECKEY GatewayType", l}
|
|
} else {
|
|
rr.GatewayType = uint8(i)
|
|
}
|
|
<-c // _BLANK
|
|
l = <-c
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
|
return nil, &ParseError{f, "bad IPSECKEY Algorithm", l}
|
|
} else {
|
|
rr.Algorithm = uint8(i)
|
|
}
|
|
<-c
|
|
l = <-c
|
|
rr.Gateway = l.token
|
|
l = <-c
|
|
var s string
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad IPSECKEY PublicKey", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.PublicKey = s
|
|
return rr, nil
|
|
}
|
|
|
|
func setDHCID(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
|
// awesome record to parse!
|
|
rr := new(RR_DHCID)
|
|
rr.Hdr = h
|
|
|
|
l := <-c // _STRING
|
|
var s string
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
switch l.value {
|
|
case _STRING:
|
|
s += l.token
|
|
case _BLANK:
|
|
// Ok
|
|
default:
|
|
return nil, &ParseError{f, "bad DHCID Digest", l}
|
|
}
|
|
l = <-c
|
|
}
|
|
rr.Digest = s
|
|
return rr, nil
|
|
}
|