curben
/
cloudflared-mirror
mirror of https://github.com/cloudflare/cloudflared.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
cloudflared-mirror/vendor/github.com/miekg/dns/scan_rr.go

2200 lines
49 KiB
Go
Raw Normal View History

TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
package dns
import (
"encoding/base64"
"net"
"strconv"
"strings"
)
type parserFunc struct {
// Func defines the function that parses the tokens and returns the RR
// or an error. The last string contains any comments in the line as
// they returned by the lexer as well.
Func func(h RR_Header, c chan lex, origin string, file string) (RR, *ParseError, string)
// Signals if the RR ending is of variable length, like TXT or records
// that have Hexadecimal or Base64 as their last element in the Rdata. Records
// that have a fixed ending or for instance A, AAAA, SOA and etc.
Variable bool
}
// 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 chan lex, o, f string) (RR, *ParseError, string) {
parserfunc, ok := typeToparserFunc[h.Rrtype]
if ok {
r, e, cm := parserfunc.Func(h, c, o, f)
if parserfunc.Variable {
return r, e, cm
}
if e != nil {
return nil, e, ""
}
e, cm = slurpRemainder(c, f)
if e != nil {
return nil, e, ""
}
return r, nil, cm
}
// RFC3957 RR (Unknown RR handling)
return setRFC3597(h, c, o, f)
}
// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces)
// or an error
func endingToString(c chan lex, errstr, f string) (string, *ParseError, string) {
s := ""
l := <-c // 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
}
return s, nil, l.comment
}
// A remainder of the rdata with embedded spaces, split on unquoted whitespace
// and return the parsed string slice or an error
func endingToTxtSlice(c chan lex, errstr, f string) ([]string, *ParseError, string) {
// Get the remaining data until we see a zNewline
l := <-c
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
}
if quote {
return nil, &ParseError{f, errstr, l}, ""
}
return s, nil, l.comment
}
func setA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(A)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
rr.A = net.ParseIP(l.token)
if rr.A == nil || l.err {
return nil, &ParseError{f, "bad A A", l}, ""
}
return rr, nil, ""
}
func setAAAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(AAAA)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
rr.AAAA = net.ParseIP(l.token)
if rr.AAAA == nil || l.err {
return nil, &ParseError{f, "bad AAAA AAAA", l}, ""
}
return rr, nil, ""
}
func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NS)
rr.Hdr = h
l := <-c
rr.Ns = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad NS Ns", l}, ""
}
rr.Ns = name
return rr, nil, ""
}
func setPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(PTR)
rr.Hdr = h
l := <-c
rr.Ptr = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad PTR Ptr", l}, ""
}
rr.Ptr = name
return rr, nil, ""
}
func setNSAPPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSAPPTR)
rr.Hdr = h
l := <-c
rr.Ptr = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad NSAP-PTR Ptr", l}, ""
}
rr.Ptr = name
return rr, nil, ""
}
func setRP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RP)
rr.Hdr = h
l := <-c
rr.Mbox = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
mbox, mboxOk := toAbsoluteName(l.token, o)
if l.err || !mboxOk {
return nil, &ParseError{f, "bad RP Mbox", l}, ""
}
rr.Mbox = mbox
<-c // zBlank
l = <-c
rr.Txt = l.token
txt, txtOk := toAbsoluteName(l.token, o)
if l.err || !txtOk {
return nil, &ParseError{f, "bad RP Txt", l}, ""
}
rr.Txt = txt
return rr, nil, ""
}
func setMR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MR)
rr.Hdr = h
l := <-c
rr.Mr = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MR Mr", l}, ""
}
rr.Mr = name
return rr, nil, ""
}
func setMB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MB)
rr.Hdr = h
l := <-c
rr.Mb = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MB Mb", l}, ""
}
rr.Mb = name
return rr, nil, ""
}
func setMG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MG)
rr.Hdr = h
l := <-c
rr.Mg = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MG Mg", l}, ""
}
rr.Mg = name
return rr, nil, ""
}
func setHINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(HINFO)
rr.Hdr = h
chunks, e, c1 := endingToTxtSlice(c, "bad HINFO Fields", f)
if e != nil {
return nil, e, c1
}
if ln := len(chunks); ln == 0 {
return rr, 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 rr, nil, ""
}
func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MINFO)
rr.Hdr = h
l := <-c
rr.Rmail = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
rmail, rmailOk := toAbsoluteName(l.token, o)
if l.err || !rmailOk {
return nil, &ParseError{f, "bad MINFO Rmail", l}, ""
}
rr.Rmail = rmail
<-c // zBlank
l = <-c
rr.Email = l.token
email, emailOk := toAbsoluteName(l.token, o)
if l.err || !emailOk {
return nil, &ParseError{f, "bad MINFO Email", l}, ""
}
rr.Email = email
return rr, nil, ""
}
func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MF)
rr.Hdr = h
l := <-c
rr.Mf = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MF Mf", l}, ""
}
rr.Mf = name
return rr, nil, ""
}
func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MD)
rr.Hdr = h
l := <-c
rr.Md = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MD Md", l}, ""
}
rr.Md = name
return rr, nil, ""
}
func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(MX)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad MX Pref", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Mx = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad MX Mx", l}, ""
}
rr.Mx = name
return rr, nil, ""
}
func setRT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RT)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil {
return nil, &ParseError{f, "bad RT Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Host = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad RT Host", l}, ""
}
rr.Host = name
return rr, nil, ""
}
func setAFSDB(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(AFSDB)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad AFSDB Subtype", l}, ""
}
rr.Subtype = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Hostname = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad AFSDB Hostname", l}, ""
}
rr.Hostname = name
return rr, nil, ""
}
func setX25(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(X25)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
if l.err {
return nil, &ParseError{f, "bad X25 PSDNAddress", l}, ""
}
rr.PSDNAddress = l.token
return rr, nil, ""
}
func setKX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(KX)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad KX Pref", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Exchanger = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad KX Exchanger", l}, ""
}
rr.Exchanger = name
return rr, nil, ""
}
func setCNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CNAME)
rr.Hdr = h
l := <-c
rr.Target = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad CNAME Target", l}, ""
}
rr.Target = name
return rr, nil, ""
}
func setDNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(DNAME)
rr.Hdr = h
l := <-c
rr.Target = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad DNAME Target", l}, ""
}
rr.Target = name
return rr, nil, ""
}
func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SOA)
rr.Hdr = h
l := <-c
rr.Ns = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
ns, nsOk := toAbsoluteName(l.token, o)
if l.err || !nsOk {
return nil, &ParseError{f, "bad SOA Ns", l}, ""
}
rr.Ns = ns
<-c // zBlank
l = <-c
rr.Mbox = l.token
mbox, mboxOk := toAbsoluteName(l.token, o)
if l.err || !mboxOk {
return nil, &ParseError{f, "bad SOA Mbox", l}, ""
}
rr.Mbox = mbox
<-c // zBlank
var (
v uint32
ok bool
)
for i := 0; i < 5; i++ {
l = <-c
if l.err {
return nil, &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 nil, &ParseError{f, "bad SOA zone parameter", l}, ""
}
// We allow other fields to be unitful duration strings
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 // zBlank
case 1:
rr.Refresh = v
<-c // zBlank
case 2:
rr.Retry = v
<-c // zBlank
case 3:
rr.Expire = v
<-c // zBlank
case 4:
rr.Minttl = v
}
}
return rr, nil, ""
}
func setSRV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SRV)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Priority", l}, ""
}
rr.Priority = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Weight", l}, ""
}
rr.Weight = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad SRV Port", l}, ""
}
rr.Port = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Target = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad SRV Target", l}, ""
}
rr.Target = name
return rr, nil, ""
}
func setNAPTR(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NAPTR)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad NAPTR Order", l}, ""
}
rr.Order = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad NAPTR Preference", l}, ""
}
rr.Preference = uint16(i)
// Flags
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Flags = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
} else if l.value == zQuote {
rr.Flags = ""
} else {
return nil, &ParseError{f, "bad NAPTR Flags", l}, ""
}
// Service
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Service = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
} else if l.value == zQuote {
rr.Service = ""
} else {
return nil, &ParseError{f, "bad NAPTR Service", l}, ""
}
// Regexp
<-c // zBlank
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
l = <-c // Either String or Quote
if l.value == zString {
rr.Regexp = l.token
l = <-c // _QUOTE
if l.value != zQuote {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
} else if l.value == zQuote {
rr.Regexp = ""
} else {
return nil, &ParseError{f, "bad NAPTR Regexp", l}, ""
}
// After quote no space??
<-c // zBlank
l = <-c // zString
rr.Replacement = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad NAPTR Replacement", l}, ""
}
rr.Replacement = name
return rr, nil, ""
}
func setTALINK(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TALINK)
rr.Hdr = h
l := <-c
rr.PreviousName = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
previousName, previousNameOk := toAbsoluteName(l.token, o)
if l.err || !previousNameOk {
return nil, &ParseError{f, "bad TALINK PreviousName", l}, ""
}
rr.PreviousName = previousName
<-c // zBlank
l = <-c
rr.NextName = l.token
nextName, nextNameOk := toAbsoluteName(l.token, o)
if l.err || !nextNameOk {
return nil, &ParseError{f, "bad TALINK NextName", l}, ""
}
rr.NextName = nextName
return rr, nil, ""
}
func setLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(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 l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 32)
if e != nil || l.err {
return nil, &ParseError{f, "bad LOC Latitude", l}, ""
}
rr.Latitude = 1000 * 60 * 60 * uint32(i)
<-c // zBlank
// Either number, 'N' or 'S'
l = <-c
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 nil, &ParseError{f, "bad LOC Latitude minutes", l}, ""
}
rr.Latitude += 1000 * 60 * uint32(i)
<-c // zBlank
l = <-c
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Latitude seconds", l}, ""
} else {
rr.Latitude += uint32(1000 * i)
}
<-c // zBlank
// 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 // zBlank
l = <-c
if i, e := strconv.ParseUint(l.token, 10, 32); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Longitude", l}, ""
} else {
rr.Longitude = 1000 * 60 * 60 * uint32(i)
}
<-c // zBlank
// Either number, 'E' or 'W'
l = <-c
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 nil, &ParseError{f, "bad LOC Longitude minutes", l}, ""
} else {
rr.Longitude += 1000 * 60 * uint32(i)
}
<-c // zBlank
l = <-c
if i, e := strconv.ParseFloat(l.token, 32); e != nil || l.err {
return nil, &ParseError{f, "bad LOC Longitude seconds", l}, ""
} else {
rr.Longitude += uint32(1000 * i)
}
<-c // zBlank
// 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 // zBlank
l = <-c
if l.length == 0 || l.err {
return nil, &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 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 != zNewline && l.value != zEOF {
switch l.value {
case zString:
switch count {
case 0: // Size
e, m, ok := stringToCm(l.token)
if !ok {
return nil, &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 nil, &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 nil, &ParseError{f, "bad LOC VertPre", l}, ""
}
rr.VertPre = (e & 0x0f) | (m << 4 & 0xf0)
}
count++
case zBlank:
// 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, string) {
rr := new(HIP)
rr.Hdr = h
// HitLength is not represented
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad HIP PublicKeyAlgorithm", l}, ""
}
rr.PublicKeyAlgorithm = uint8(i)
<-c // zBlank
l = <-c // zString
if l.length == 0 || l.err {
return nil, &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 // zBlank
l = <-c // zString
if l.length == 0 || l.err {
return nil, &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
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 nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
}
xs = append(xs, name)
case zBlank:
// Ok
default:
return nil, &ParseError{f, "bad HIP RendezvousServers", l}, ""
}
l = <-c
}
rr.RendezvousServers = xs
return rr, nil, l.comment
}
func setCERT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CERT)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
if v, ok := StringToCertType[l.token]; ok {
rr.Type = v
} else if i, e := strconv.ParseUint(l.token, 10, 16); e != nil {
return nil, &ParseError{f, "bad CERT Type", l}, ""
} else {
rr.Type = uint16(i)
}
<-c // zBlank
l = <-c // zString
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad CERT KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c // zString
if v, ok := StringToAlgorithm[l.token]; ok {
rr.Algorithm = v
} else if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
return nil, &ParseError{f, "bad CERT Algorithm", l}, ""
} else {
rr.Algorithm = uint8(i)
}
s, e1, c1 := endingToString(c, "bad CERT Certificate", f)
if e1 != nil {
return nil, e1, c1
}
rr.Certificate = s
return rr, nil, c1
}
func setOPENPGPKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(OPENPGPKEY)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad OPENPGPKEY PublicKey", f)
if e != nil {
return nil, e, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setCSYNC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CSYNC)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
j, e := strconv.ParseUint(l.token, 10, 32)
if e != nil {
// Serial must be a number
return nil, &ParseError{f, "bad CSYNC serial", l}, ""
}
rr.Serial = uint32(j)
<-c // zBlank
l = <-c
j, e = strconv.ParseUint(l.token, 10, 16)
if e != nil {
// Serial must be a number
return nil, &ParseError{f, "bad CSYNC flags", l}, ""
}
rr.Flags = uint16(j)
rr.TypeBitMap = make([]uint16, 0)
var (
k uint16
ok bool
)
l = <-c
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, ok = StringToType[l.tokenUpper]; !ok {
if k, ok = typeToInt(l.tokenUpper); !ok {
return nil, &ParseError{f, "bad CSYNC TypeBitMap", l}, ""
}
}
rr.TypeBitMap = append(rr.TypeBitMap, k)
default:
return nil, &ParseError{f, "bad CSYNC TypeBitMap", l}, ""
}
l = <-c
}
return rr, nil, l.comment
}
func setSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setRRSIG(h, c, o, f)
if r != nil {
return &SIG{*r.(*RRSIG)}, e, s
}
return nil, e, s
}
func setRRSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RRSIG)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
if t, ok := StringToType[l.tokenUpper]; !ok {
if strings.HasPrefix(l.tokenUpper, "TYPE") {
t, ok = typeToInt(l.tokenUpper)
if !ok {
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, ""
}
rr.TypeCovered = t
} else {
return nil, &ParseError{f, "bad RRSIG Typecovered", l}, ""
}
} else {
rr.TypeCovered = t
}
<-c // zBlank
l = <-c
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG Labels", l}, ""
}
rr.Labels = uint8(i)
<-c // zBlank
l = <-c
i, err = strconv.ParseUint(l.token, 10, 32)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG OrigTtl", l}, ""
}
rr.OrigTtl = uint32(i)
<-c // zBlank
l = <-c
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 nil, &ParseError{f, "bad RRSIG Expiration", l}, ""
}
} else {
rr.Expiration = i
}
<-c // zBlank
l = <-c
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 nil, &ParseError{f, "bad RRSIG Inception", l}, ""
}
} else {
rr.Inception = i
}
<-c // zBlank
l = <-c
i, err = strconv.ParseUint(l.token, 10, 16)
if err != nil || l.err {
return nil, &ParseError{f, "bad RRSIG KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
rr.SignerName = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad RRSIG SignerName", l}, ""
}
rr.SignerName = name
s, e, c1 := endingToString(c, "bad RRSIG Signature", f)
if e != nil {
return nil, e, c1
}
rr.Signature = s
return rr, nil, c1
}
func setNSEC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC)
rr.Hdr = h
l := <-c
rr.NextDomain = l.token
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad NSEC NextDomain", l}, ""
}
rr.NextDomain = name
rr.TypeBitMap = make([]uint16, 0)
var (
k uint16
ok bool
)
l = <-c
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, ok = StringToType[l.tokenUpper]; !ok {
if k, ok = typeToInt(l.tokenUpper); !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, l.comment
}
func setNSEC3(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC3)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Hash", l}, ""
}
rr.Hash = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Flags", l}, ""
}
rr.Flags = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3 Iterations", l}, ""
}
rr.Iterations = uint16(i)
<-c
l = <-c
if len(l.token) == 0 || l.err {
return nil, &ParseError{f, "bad NSEC3 Salt", l}, ""
}
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
rr.SaltLength = uint8(len(l.token)) / 2
rr.Salt = l.token
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
<-c
l = <-c
if len(l.token) == 0 || l.err {
return nil, &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
for l.value != zNewline && l.value != zEOF {
switch l.value {
case zBlank:
// Ok
case zString:
if k, ok = StringToType[l.tokenUpper]; !ok {
if k, ok = typeToInt(l.tokenUpper); !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, l.comment
}
func setNSEC3PARAM(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NSEC3PARAM)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Hash", l}, ""
}
rr.Hash = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Flags", l}, ""
}
rr.Flags = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad NSEC3PARAM Iterations", l}, ""
}
rr.Iterations = uint16(i)
<-c
l = <-c
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
rr.SaltLength = uint8(len(l.token))
rr.Salt = l.token
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
return rr, nil, ""
}
func setEUI48(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EUI48)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
if l.length != 17 || l.err {
return nil, &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 nil, &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 nil, &ParseError{f, "bad EUI48 Address", l}, ""
}
rr.Address = i
return rr, nil, ""
}
func setEUI64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EUI64)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
if l.length != 23 || l.err {
return nil, &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 nil, &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 nil, &ParseError{f, "bad EUI68 Address", l}, ""
}
rr.Address = uint64(i)
return rr, nil, ""
}
func setSSHFP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SSHFP)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad SSHFP Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad SSHFP Type", l}, ""
}
rr.Type = uint8(i)
<-c // zBlank
s, e1, c1 := endingToString(c, "bad SSHFP Fingerprint", f)
if e1 != nil {
return nil, e1, c1
}
rr.FingerPrint = s
return rr, nil, ""
}
func setDNSKEYs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) {
rr := new(DNSKEY)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Flags", l}, ""
}
rr.Flags = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Protocol", l}, ""
}
rr.Protocol = uint8(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
s, e1, c1 := endingToString(c, "bad "+typ+" PublicKey", f)
if e1 != nil {
return nil, e1, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "KEY")
if r != nil {
return &KEY{*r.(*DNSKEY)}, e, s
}
return nil, e, s
}
func setDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "DNSKEY")
return r, e, s
}
func setCDNSKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDNSKEYs(h, c, o, f, "CDNSKEY")
if r != nil {
return &CDNSKEY{*r.(*DNSKEY)}, e, s
}
return nil, e, s
}
func setRKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RKEY)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Flags", l}, ""
}
rr.Flags = uint16(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Protocol", l}, ""
}
rr.Protocol = uint8(i)
<-c // zBlank
l = <-c // zString
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad RKEY Algorithm", l}, ""
}
rr.Algorithm = uint8(i)
s, e1, c1 := endingToString(c, "bad RKEY PublicKey", f)
if e1 != nil {
return nil, e1, c1
}
rr.PublicKey = s
return rr, nil, c1
}
func setEID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(EID)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad EID Endpoint", f)
if e != nil {
return nil, e, c1
}
rr.Endpoint = s
return rr, nil, c1
}
func setNIMLOC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NIMLOC)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad NIMLOC Locator", f)
if e != nil {
return nil, e, c1
}
rr.Locator = s
return rr, nil, c1
}
func setGPOS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(GPOS)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
_, e := strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Longitude", l}, ""
}
rr.Longitude = l.token
<-c // zBlank
l = <-c
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Latitude", l}, ""
}
rr.Latitude = l.token
<-c // zBlank
l = <-c
_, e = strconv.ParseFloat(l.token, 64)
if e != nil || l.err {
return nil, &ParseError{f, "bad GPOS Altitude", l}, ""
}
rr.Altitude = l.token
return rr, nil, ""
}
func setDSs(h RR_Header, c chan lex, o, f, typ string) (RR, *ParseError, string) {
rr := new(DS)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
if i, e = strconv.ParseUint(l.token, 10, 8); e != nil {
i, ok := StringToAlgorithm[l.tokenUpper]
if !ok || l.err {
return nil, &ParseError{f, "bad " + typ + " Algorithm", l}, ""
}
rr.Algorithm = i
} else {
rr.Algorithm = uint8(i)
}
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad " + typ + " DigestType", l}, ""
}
rr.DigestType = uint8(i)
s, e1, c1 := endingToString(c, "bad "+typ+" Digest", f)
if e1 != nil {
return nil, e1, c1
}
rr.Digest = s
return rr, nil, c1
}
func setDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "DS")
return r, e, s
}
func setDLV(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "DLV")
if r != nil {
return &DLV{*r.(*DS)}, e, s
}
return nil, e, s
}
func setCDS(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
r, e, s := setDSs(h, c, o, f, "CDS")
if r != nil {
return &CDS{*r.(*DS)}, e, s
}
return nil, e, s
}
func setTA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TA)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad TA KeyTag", l}, ""
}
rr.KeyTag = uint16(i)
<-c // zBlank
l = <-c
if i, e := strconv.ParseUint(l.token, 10, 8); e != nil {
i, ok := StringToAlgorithm[l.tokenUpper]
if !ok || l.err {
return nil, &ParseError{f, "bad TA Algorithm", l}, ""
}
rr.Algorithm = i
} else {
rr.Algorithm = uint8(i)
}
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad TA DigestType", l}, ""
}
rr.DigestType = uint8(i)
s, e, c1 := endingToString(c, "bad TA Digest", f)
if e != nil {
return nil, e.(*ParseError), c1
}
rr.Digest = s
return rr, nil, c1
}
func setTLSA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TLSA)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA Usage", l}, ""
}
rr.Usage = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA Selector", l}, ""
}
rr.Selector = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad TLSA MatchingType", l}, ""
}
rr.MatchingType = uint8(i)
// So this needs be e2 (i.e. different than e), because...??t
s, e2, c1 := endingToString(c, "bad TLSA Certificate", f)
if e2 != nil {
return nil, e2, c1
}
rr.Certificate = s
return rr, nil, c1
}
func setSMIMEA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SMIMEA)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, e := strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad SMIMEA Usage", l}, ""
}
rr.Usage = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad SMIMEA Selector", l}, ""
}
rr.Selector = uint8(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 8)
if e != nil || l.err {
return nil, &ParseError{f, "bad SMIMEA MatchingType", l}, ""
}
rr.MatchingType = uint8(i)
// So this needs be e2 (i.e. different than e), because...??t
s, e2, c1 := endingToString(c, "bad SMIMEA Certificate", f)
if e2 != nil {
return nil, e2, c1
}
rr.Certificate = s
return rr, nil, c1
}
func setRFC3597(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(RFC3597)
rr.Hdr = h
l := <-c
if l.token != "\\#" {
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, ""
}
<-c // zBlank
l = <-c
rdlength, e := strconv.Atoi(l.token)
if e != nil || l.err {
return nil, &ParseError{f, "bad RFC3597 Rdata ", l}, ""
}
s, e1, c1 := endingToString(c, "bad RFC3597 Rdata", f)
if e1 != nil {
return nil, e1, c1
}
if rdlength*2 != len(s) {
return nil, &ParseError{f, "bad RFC3597 Rdata", l}, ""
}
rr.Rdata = s
return rr, nil, c1
}
func setSPF(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(SPF)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad SPF Txt", f)
if e != nil {
return nil, e, ""
}
rr.Txt = s
return rr, nil, c1
}
func setAVC(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(AVC)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad AVC Txt", f)
if e != nil {
return nil, e, ""
}
rr.Txt = s
return rr, nil, c1
}
func setTXT(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TXT)
rr.Hdr = h
// no zBlank reading here, because all this rdata is TXT
s, e, c1 := endingToTxtSlice(c, "bad TXT Txt", f)
if e != nil {
return nil, e, ""
}
rr.Txt = s
return rr, nil, c1
}
// identical to setTXT
func setNINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NINFO)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad NINFO ZSData", f)
if e != nil {
return nil, e, ""
}
rr.ZSData = s
return rr, nil, c1
}
func setURI(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(URI)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad URI Priority", l}, ""
}
rr.Priority = uint16(i)
<-c // zBlank
l = <-c
i, e = strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad URI Weight", l}, ""
}
rr.Weight = uint16(i)
<-c // zBlank
s, err, c1 := endingToTxtSlice(c, "bad URI Target", f)
if err != nil {
return nil, err, ""
}
if len(s) != 1 {
return nil, &ParseError{f, "bad URI Target", l}, ""
}
rr.Target = s[0]
return rr, nil, c1
}
func setDHCID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
// awesome record to parse!
rr := new(DHCID)
rr.Hdr = h
s, e, c1 := endingToString(c, "bad DHCID Digest", f)
if e != nil {
return nil, e, c1
}
rr.Digest = s
return rr, nil, c1
}
func setNID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(NID)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad NID Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return nil, err, ""
}
rr.NodeID = u
return rr, nil, ""
}
func setL32(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(L32)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad L32 Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Locator32 = net.ParseIP(l.token)
if rr.Locator32 == nil || l.err {
return nil, &ParseError{f, "bad L32 Locator", l}, ""
}
return rr, nil, ""
}
func setLP(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(LP)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad LP Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Fqdn = l.token
name, nameOk := toAbsoluteName(l.token, o)
if l.err || !nameOk {
return nil, &ParseError{f, "bad LP Fqdn", l}, ""
}
rr.Fqdn = name
return rr, nil, ""
}
func setL64(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(L64)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad L64 Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
u, err := stringToNodeID(l)
if err != nil || l.err {
return nil, err, ""
}
rr.Locator64 = u
return rr, nil, ""
}
func setUID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(UID)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 32)
if e != nil || l.err {
return nil, &ParseError{f, "bad UID Uid", l}, ""
}
rr.Uid = uint32(i)
return rr, nil, ""
}
func setGID(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(GID)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 32)
if e != nil || l.err {
return nil, &ParseError{f, "bad GID Gid", l}, ""
}
rr.Gid = uint32(i)
return rr, nil, ""
}
func setUINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(UINFO)
rr.Hdr = h
s, e, c1 := endingToTxtSlice(c, "bad UINFO Uinfo", f)
if e != nil {
return nil, e, c1
}
if ln := len(s); ln == 0 {
return rr, nil, c1
}
rr.Uinfo = s[0] // silently discard anything after the first character-string
return rr, nil, c1
}
func setPX(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(PX)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, ""
}
i, e := strconv.ParseUint(l.token, 10, 16)
if e != nil || l.err {
return nil, &ParseError{f, "bad PX Preference", l}, ""
}
rr.Preference = uint16(i)
<-c // zBlank
l = <-c // zString
rr.Map822 = l.token
map822, map822Ok := toAbsoluteName(l.token, o)
if l.err || !map822Ok {
return nil, &ParseError{f, "bad PX Map822", l}, ""
}
rr.Map822 = map822
<-c // zBlank
l = <-c // zString
rr.Mapx400 = l.token
mapx400, mapx400Ok := toAbsoluteName(l.token, o)
if l.err || !mapx400Ok {
return nil, &ParseError{f, "bad PX Mapx400", l}, ""
}
rr.Mapx400 = mapx400
return rr, nil, ""
}
func setCAA(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(CAA)
rr.Hdr = h
l := <-c
if l.length == 0 { // dynamic update rr.
return rr, nil, l.comment
}
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
return nil, &ParseError{f, "bad CAA Flag", l}, ""
}
rr.Flag = uint8(i)
<-c // zBlank
l = <-c // zString
if l.value != zString {
return nil, &ParseError{f, "bad CAA Tag", l}, ""
}
rr.Tag = l.token
<-c // zBlank
s, e, c1 := endingToTxtSlice(c, "bad CAA Value", f)
if e != nil {
return nil, e, ""
}
if len(s) != 1 {
return nil, &ParseError{f, "bad CAA Value", l}, ""
}
rr.Value = s[0]
return rr, nil, c1
}
func setTKEY(h RR_Header, c chan lex, o, f string) (RR, *ParseError, string) {
rr := new(TKEY)
rr.Hdr = h
l := <-c
// Algorithm
if l.value != zString {
return nil, &ParseError{f, "bad TKEY algorithm", l}, ""
}
rr.Algorithm = l.token
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
<-c // zBlank
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
// Get the key length and key values
l = <-c
i, err := strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
return nil, &ParseError{f, "bad TKEY key length", l}, ""
}
rr.KeySize = uint16(i)
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
<-c // zBlank
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
l = <-c
if l.value != zString {
return nil, &ParseError{f, "bad TKEY key", l}, ""
}
rr.Key = l.token
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
<-c // zBlank
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
// Get the otherdata length and string data
l = <-c
i, err = strconv.ParseUint(l.token, 10, 8)
if err != nil || l.err {
return nil, &ParseError{f, "bad TKEY otherdata length", l}, ""
}
rr.OtherLen = uint16(i)
TUN-1615: revert miekg/dns to last known working revision The last known good commit is 6da3249dfb57fbaa16efafcd8744cee8809d80cd before the first release tag.
2019-03-18 03:40:18 +00:00
<-c // zBlank
TUN-528: Move cloudflared into a separate repo
2018-05-01 23:45:06 +00:00
l = <-c
if l.value != zString {
return nil, &ParseError{f, "bad TKEY otherday", l}, ""
}
rr.OtherData = l.token
return rr, nil, ""
}
var typeToparserFunc = map[uint16]parserFunc{
TypeAAAA: {setAAAA, false},
TypeAFSDB: {setAFSDB, false},
TypeA: {setA, false},
TypeCAA: {setCAA, true},
TypeCDS: {setCDS, true},
TypeCDNSKEY: {setCDNSKEY, true},
TypeCERT: {setCERT, true},
TypeCNAME: {setCNAME, false},
TypeCSYNC: {setCSYNC, true},
TypeDHCID: {setDHCID, true},
TypeDLV: {setDLV, true},
TypeDNAME: {setDNAME, false},
TypeKEY: {setKEY, true},
TypeDNSKEY: {setDNSKEY, true},
TypeDS: {setDS, true},
TypeEID: {setEID, true},
TypeEUI48: {setEUI48, false},
TypeEUI64: {setEUI64, false},
TypeGID: {setGID, false},
TypeGPOS: {setGPOS, false},
TypeHINFO: {setHINFO, true},
TypeHIP: {setHIP, true},
TypeKX: {setKX, false},
TypeL32: {setL32, false},
TypeL64: {setL64, false},
TypeLOC: {setLOC, true},
TypeLP: {setLP, false},
TypeMB: {setMB, false},
TypeMD: {setMD, false},
TypeMF: {setMF, false},
TypeMG: {setMG, false},
TypeMINFO: {setMINFO, false},
TypeMR: {setMR, false},
TypeMX: {setMX, false},
TypeNAPTR: {setNAPTR, false},
TypeNID: {setNID, false},
TypeNIMLOC: {setNIMLOC, true},
TypeNINFO: {setNINFO, true},
TypeNSAPPTR: {setNSAPPTR, false},
TypeNSEC3PARAM: {setNSEC3PARAM, false},
TypeNSEC3: {setNSEC3, true},
TypeNSEC: {setNSEC, true},
TypeNS: {setNS, false},
TypeOPENPGPKEY: {setOPENPGPKEY, true},
TypePTR: {setPTR, false},
TypePX: {setPX, false},
TypeSIG: {setSIG, true},
TypeRKEY: {setRKEY, true},
TypeRP: {setRP, false},
TypeRRSIG: {setRRSIG, true},
TypeRT: {setRT, false},
TypeSMIMEA: {setSMIMEA, true},
TypeSOA: {setSOA, false},
TypeSPF: {setSPF, true},
TypeAVC: {setAVC, true},
TypeSRV: {setSRV, false},
TypeSSHFP: {setSSHFP, true},
TypeTALINK: {setTALINK, false},
TypeTA: {setTA, true},
TypeTLSA: {setTLSA, true},
TypeTXT: {setTXT, true},
TypeUID: {setUID, false},
TypeUINFO: {setUINFO, true},
TypeURI: {setURI, true},
TypeX25: {setX25, false},
TypeTKEY: {setTKEY, true},
}