2011-12-14 21:30:29 +11:00
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package dns
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import (
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2011-12-16 04:03:41 +11:00
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"fmt"
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2011-12-15 01:37:36 +11:00
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"net"
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"strconv"
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"strings"
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2011-12-14 21:30:29 +11:00
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)
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2011-12-15 22:41:24 +11:00
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// Parse the rdata of each rrtype.
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// All data from the channel c is either _STRING or _BLANK.
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2011-12-14 21:30:29 +11:00
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// After the rdata there may come 1 _BLANK and then a _NEWLINE
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// or immediately a _NEWLINE. If this is not the case we flag
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2011-12-16 20:06:28 +11:00
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// an *ParseError: garbage after rdata.
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2011-12-14 21:30:29 +11:00
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2012-01-22 09:36:54 +11:00
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func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
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2011-12-16 20:06:28 +11:00
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var r RR
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2011-12-16 21:20:17 +11:00
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e := new(ParseError)
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2011-12-15 01:37:36 +11:00
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switch h.Rrtype {
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case TypeA:
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2012-01-22 09:36:54 +11:00
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r, e = setA(h, c, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-15 01:37:36 +11:00
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case TypeAAAA:
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2012-01-22 09:36:54 +11:00
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r, e = setAAAA(h, c, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-15 01:37:36 +11:00
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case TypeNS:
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2012-01-22 09:36:54 +11:00
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r, e = setNS(h, c, o, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-15 01:37:36 +11:00
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case TypeMX:
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2012-01-22 09:36:54 +11:00
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r, e = setMX(h, c, o, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-15 01:37:36 +11:00
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case TypeCNAME:
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2012-01-22 09:36:54 +11:00
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r, e = setCNAME(h, c, o, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-15 01:37:36 +11:00
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case TypeSOA:
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2012-01-22 09:36:54 +11:00
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r, e = setSOA(h, c, o, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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2011-12-16 21:30:29 +11:00
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case TypeSSHFP:
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2012-01-22 09:36:54 +11:00
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r, e = setSSHFP(h, c, f)
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2011-12-18 21:22:40 +11:00
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goto Slurp
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case TypeDNSKEY:
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2011-12-16 08:44:09 +11:00
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// These types have a variable ending either chunks of txt or chunks/base64 or hex.
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// They need to search for the end of the RR themselves, hence they look for the ending
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// newline. Thus there is no need to slurp the remainder, because there is none.
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2012-01-22 09:36:54 +11:00
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return setDNSKEY(h, c, f)
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2011-12-15 01:37:36 +11:00
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case TypeRRSIG:
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2012-01-22 09:36:54 +11:00
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return setRRSIG(h, c, o, f)
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2011-12-15 01:37:36 +11:00
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case TypeNSEC:
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2012-01-22 09:36:54 +11:00
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return setNSEC(h, c, o, f)
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2011-12-15 01:37:36 +11:00
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case TypeNSEC3:
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2012-01-22 09:36:54 +11:00
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return setNSEC3(h, c, o, f)
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2011-12-16 21:30:29 +11:00
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case TypeDS:
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2012-01-22 09:36:54 +11:00
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return setDS(h, c, f)
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2011-12-15 01:37:36 +11:00
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case TypeTXT:
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2012-01-22 09:36:54 +11:00
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return setTXT(h, c, f)
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2011-12-15 01:37:36 +11:00
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default:
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2011-12-16 21:30:29 +11:00
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// Don't the have the token the holds the RRtype, but we substitute that in the
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// calling function when lex is empty.
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "Unknown RR type", lex{}}
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2011-12-15 01:37:36 +11:00
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}
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2011-12-18 21:22:40 +11:00
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Slurp:
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if e != nil {
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return nil, e
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}
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2012-01-22 09:36:54 +11:00
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if se := slurpRemainder(c, f); se != nil {
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2011-12-18 21:22:40 +11:00
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return nil, se
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}
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2011-12-15 01:37:36 +11:00
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return r, e
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2011-12-14 21:30:29 +11:00
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}
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2012-01-22 09:36:54 +11:00
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func slurpRemainder(c chan lex, f string) *ParseError {
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2011-12-16 08:44:09 +11:00
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l := <-c
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2011-12-16 20:30:42 +11:00
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if _DEBUG {
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2011-12-16 20:48:33 +11:00
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fmt.Printf("%v\n", l)
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2011-12-16 08:44:09 +11:00
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}
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switch l.value {
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case _BLANK:
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l = <-c
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2011-12-16 20:30:42 +11:00
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if _DEBUG {
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2011-12-16 20:48:33 +11:00
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fmt.Printf("%v\n", l)
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2011-12-16 08:44:09 +11:00
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}
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if l.value != _NEWLINE && l.value != _EOF {
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2012-01-22 09:36:54 +11:00
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return &ParseError{f, "garbage after rdata", l}
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2011-12-16 08:44:09 +11:00
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}
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// Ok
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case _NEWLINE:
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2011-12-16 21:20:17 +11:00
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// Ok
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2011-12-16 08:44:09 +11:00
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case _EOF:
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// Ok
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default:
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2012-01-22 09:36:54 +11:00
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return &ParseError{f, "garbage after directly rdata", l}
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2011-12-16 08:44:09 +11:00
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}
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return nil
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}
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2012-01-22 09:36:54 +11:00
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func setA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_A)
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rr.Hdr = h
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2011-12-14 21:30:29 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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rr.A = net.ParseIP(l.token)
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if rr.A == nil {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad A", l}
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2011-12-15 01:37:36 +11:00
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}
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return rr, nil
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2011-12-14 21:30:29 +11:00
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}
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2012-01-22 09:36:54 +11:00
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func setAAAA(h RR_Header, c chan lex, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_AAAA)
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rr.Hdr = h
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2011-12-14 21:30:29 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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rr.AAAA = net.ParseIP(l.token)
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if rr.AAAA == nil {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad AAAA", l}
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2011-12-15 01:37:36 +11:00
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}
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return rr, nil
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2011-12-14 21:30:29 +11:00
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}
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2012-01-22 09:36:54 +11:00
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func setNS(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_NS)
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rr.Hdr = h
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2011-12-14 21:30:29 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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rr.Ns = l.token
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2012-01-13 08:49:26 +11:00
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if _, ok := IsDomainName(l.token); !ok {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad NS Ns", l}
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2011-12-15 01:37:36 +11:00
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}
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2012-01-13 08:49:26 +11:00
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if !IsFqdn(rr.Ns) {
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rr.Ns += o
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}
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2011-12-15 01:37:36 +11:00
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return rr, nil
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2011-12-14 21:30:29 +11:00
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}
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2012-01-22 09:36:54 +11:00
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func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_MX)
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rr.Hdr = h
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2011-12-14 21:30:29 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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if i, e := strconv.Atoi(l.token); e != nil {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad MX Pref", l}
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2011-12-15 01:37:36 +11:00
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} else {
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rr.Pref = uint16(i)
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}
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<-c // _BLANK
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l = <-c // _STRING
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rr.Mx = l.token
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2012-01-13 08:49:26 +11:00
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if _, ok := IsDomainName(l.token); !ok {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad MX Mx", l}
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2011-12-15 01:37:36 +11:00
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}
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2012-01-13 08:49:26 +11:00
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if !IsFqdn(rr.Mx) {
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rr.Mx += o
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}
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2011-12-15 01:37:36 +11:00
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return rr, nil
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2011-12-14 21:30:29 +11:00
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}
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2012-01-22 09:36:54 +11:00
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func setCNAME(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_CNAME)
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rr.Hdr = h
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2011-12-14 21:30:29 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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rr.Cname = l.token
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2012-01-13 08:49:26 +11:00
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if _, ok := IsDomainName(l.token); !ok {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad CNAME", l}
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2011-12-15 01:37:36 +11:00
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}
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2012-01-13 08:49:26 +11:00
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if !IsFqdn(rr.Cname) {
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rr.Cname += o
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}
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2011-12-15 01:37:36 +11:00
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return rr, nil
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2011-12-14 21:56:12 +11:00
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}
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2011-12-14 21:30:29 +11:00
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2012-01-22 09:36:54 +11:00
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func setSOA(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
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2011-12-15 01:37:36 +11:00
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rr := new(RR_SOA)
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rr.Hdr = h
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2011-12-14 21:56:12 +11:00
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2011-12-15 01:37:36 +11:00
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l := <-c
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rr.Ns = l.token
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<-c // _BLANK
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2012-01-13 08:49:26 +11:00
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if _, ok := IsDomainName(l.token); !ok {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad SOA mname", l}
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2011-12-15 01:37:36 +11:00
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}
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2012-01-13 08:49:26 +11:00
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if !IsFqdn(rr.Ns) {
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rr.Ns += o
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}
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2011-12-14 21:56:12 +11:00
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2011-12-15 01:37:36 +11:00
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l = <-c
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rr.Mbox = l.token
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2012-01-13 08:49:26 +11:00
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if _, ok := IsDomainName(l.token); !ok {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad SOA rname", l}
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2011-12-15 01:37:36 +11:00
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}
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2012-01-13 08:49:26 +11:00
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if !IsFqdn(rr.Mbox) {
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rr.Mbox += o
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}
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2011-12-15 01:37:36 +11:00
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<-c // _BLANK
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2011-12-14 21:56:12 +11:00
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2011-12-15 01:37:36 +11:00
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var j int
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2011-12-16 21:20:17 +11:00
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var e error
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2011-12-15 01:37:36 +11:00
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for i := 0; i < 5; i++ {
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l = <-c
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if j, e = strconv.Atoi(l.token); e != nil {
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2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad SOA zone parameter", l}
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2011-12-15 01:37:36 +11:00
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}
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switch i {
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case 0:
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rr.Serial = uint32(j)
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2011-12-16 21:20:17 +11:00
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<-c // _BLANK
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2011-12-15 01:37:36 +11:00
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case 1:
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rr.Refresh = uint32(j)
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2011-12-16 21:20:17 +11:00
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<-c // _BLANK
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2011-12-15 01:37:36 +11:00
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case 2:
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rr.Retry = uint32(j)
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2011-12-16 21:20:17 +11:00
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<-c // _BLANK
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2011-12-15 01:37:36 +11:00
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case 3:
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rr.Expire = uint32(j)
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2011-12-16 21:20:17 +11:00
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<-c // _BLANK
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2011-12-15 01:37:36 +11:00
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case 4:
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rr.Minttl = uint32(j)
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}
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}
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return rr, nil
|
2011-12-14 21:56:12 +11:00
|
|
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}
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|
2012-01-22 09:36:54 +11:00
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func setRRSIG(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
2011-12-15 01:37:36 +11:00
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rr := new(RR_RRSIG)
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rr.Hdr = h
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l := <-c
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if t, ok := Str_rr[strings.ToUpper(l.token)]; !ok {
|
2012-01-22 09:36:54 +11:00
|
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return nil, &ParseError{f, "bad RRSIG", l}
|
2011-12-15 01:37:36 +11:00
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} else {
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|
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rr.TypeCovered = t
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}
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<-c // _BLANK
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|
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l = <-c
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if i, err := strconv.Atoi(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad RRSIG", l}
|
2011-12-15 01:37:36 +11:00
|
|
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} else {
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rr.Algorithm = uint8(i)
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}
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|
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<-c // _BLANK
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l = <-c
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if i, err := strconv.Atoi(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad RRSIG", l}
|
2011-12-15 01:37:36 +11:00
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} else {
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rr.Labels = uint8(i)
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}
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|
<-c // _BLANK
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l = <-c
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if i, err := strconv.Atoi(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad RRSIG", l}
|
2011-12-15 01:37:36 +11:00
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} else {
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rr.OrigTtl = uint32(i)
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}
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|
<-c // _BLANK
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l = <-c
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if i, err := dateToTime(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad RRSIG expiration", l}
|
2011-12-15 01:37:36 +11:00
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} else {
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rr.Expiration = i
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}
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<-c // _BLANK
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l = <-c
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if i, err := dateToTime(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
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return nil, &ParseError{f, "bad RRSIG inception", l}
|
2011-12-15 01:37:36 +11:00
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|
|
} else {
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rr.Inception = i
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, err := strconv.Atoi(l.token); err != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad RRSIG keytag", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.KeyTag = uint16(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
2012-01-09 00:06:58 +11:00
|
|
|
rr.SignerName = l.token
|
2012-01-13 08:49:26 +11:00
|
|
|
if _, ok := IsDomainName(l.token); !ok {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad RRSIG signername", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
2012-01-13 08:49:26 +11:00
|
|
|
if !IsFqdn(rr.SignerName) {
|
|
|
|
rr.SignerName += o
|
|
|
|
}
|
2011-12-15 01:37:36 +11:00
|
|
|
// Get the remaining data until we see a NEWLINE
|
|
|
|
l = <-c
|
2011-12-17 00:48:30 +11:00
|
|
|
s := ""
|
2011-12-15 01:37:36 +11:00
|
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
|
|
switch l.value {
|
|
|
|
case _STRING:
|
|
|
|
s += l.token
|
|
|
|
case _BLANK:
|
|
|
|
// Ok
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad RRSIG signature", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
rr.Signature = s
|
|
|
|
return rr, nil
|
|
|
|
}
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2012-01-22 09:36:54 +11:00
|
|
|
func setNSEC(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
2011-12-15 01:37:36 +11:00
|
|
|
rr := new(RR_NSEC)
|
|
|
|
rr.Hdr = h
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
l := <-c
|
2012-01-09 00:06:58 +11:00
|
|
|
rr.NextDomain = l.token
|
2012-01-13 08:49:26 +11:00
|
|
|
if _, ok := IsDomainName(l.token); !ok {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC nextdomain", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
2012-01-13 08:49:26 +11:00
|
|
|
if !IsFqdn(rr.NextDomain) {
|
|
|
|
rr.NextDomain += o
|
|
|
|
}
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
rr.TypeBitMap = make([]uint16, 0)
|
|
|
|
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 {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC non RR in type bitmap", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
|
|
}
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC garbage in type bitmap", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
return rr, nil
|
|
|
|
}
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2012-01-22 09:36:54 +11:00
|
|
|
func setNSEC3(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
|
2011-12-15 01:37:36 +11:00
|
|
|
rr := new(RR_NSEC3)
|
|
|
|
rr.Hdr = h
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
l := <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC3", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.Hash = uint8(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC3", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.Flags = uint8(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC3", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.Iterations = uint16(i)
|
|
|
|
}
|
|
|
|
<-c
|
|
|
|
l = <-c
|
|
|
|
rr.SaltLength = uint8(len(l.token))
|
|
|
|
rr.Salt = l.token // CHECK?
|
2011-12-15 00:02:55 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
<-c
|
|
|
|
l = <-c
|
|
|
|
rr.HashLength = uint8(len(l.token))
|
|
|
|
rr.NextDomain = l.token
|
2012-01-13 08:49:26 +11:00
|
|
|
if _, ok := IsDomainName(l.token); !ok {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC nextdomain", l}
|
2012-01-09 00:06:58 +11:00
|
|
|
}
|
2012-01-13 08:49:26 +11:00
|
|
|
if !IsFqdn(rr.NextDomain) {
|
|
|
|
rr.NextDomain += o
|
|
|
|
}
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
rr.TypeBitMap = make([]uint16, 0)
|
|
|
|
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 {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC3", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
} else {
|
|
|
|
rr.TypeBitMap = append(rr.TypeBitMap, k)
|
|
|
|
}
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad NSEC3", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
return rr, nil
|
|
|
|
}
|
2011-12-14 21:56:12 +11:00
|
|
|
|
2011-12-16 21:33:30 +11:00
|
|
|
/*
|
2011-12-17 05:34:30 +11:00
|
|
|
func setNSEC3PARAM(h RR_Header, c chan lex) (RR, *ParseError) {
|
2011-12-16 21:33:30 +11:00
|
|
|
rr := new(RR_NSEC3PARAM)
|
|
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
|
|
if i, e = strconv.Atoi(rdf[0]); e != nil {
|
|
|
|
return nil, &ParseError{Error: "bad NSEC3PARAM", name: rdf[0], line: l}
|
|
|
|
} else {
|
|
|
|
rr.Hash = uint8(i)
|
|
|
|
}
|
|
|
|
if i, e = strconv.Atoi(rdf[1]); e != nil {
|
|
|
|
reutrn nil, &ParseError{Error: "bad NSEC3PARAM", name: rdf[1], line: l}
|
|
|
|
} else {
|
|
|
|
rr.Flags = uint8(i)
|
|
|
|
}
|
|
|
|
if i, e = strconv.Atoi(rdf[2]); e != nil {
|
|
|
|
return nil, &ParseError{Error: "bad NSEC3PARAM", name: rdf[2], line: l}
|
|
|
|
} else {
|
|
|
|
rr.Iterations = uint16(i)
|
|
|
|
}
|
|
|
|
rr.Salt = rdf[3]
|
|
|
|
rr.SaltLength = uint8(len(rr.Salt))
|
|
|
|
zp.RR <- rr
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
2012-01-22 09:36:54 +11:00
|
|
|
func setSSHFP(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
2011-12-16 21:20:17 +11:00
|
|
|
rr := new(RR_SSHFP)
|
|
|
|
rr.Hdr = h
|
|
|
|
|
|
|
|
l := <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad SSHFP", l}
|
2011-12-16 21:20:17 +11:00
|
|
|
} else {
|
|
|
|
rr.Algorithm = uint8(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad SSHFP", l}
|
2011-12-16 21:20:17 +11:00
|
|
|
} else {
|
|
|
|
rr.Type = uint8(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
rr.FingerPrint = l.token
|
|
|
|
return rr, nil
|
|
|
|
}
|
|
|
|
|
2012-01-22 09:36:54 +11:00
|
|
|
func setDNSKEY(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
2011-12-16 08:44:09 +11:00
|
|
|
rr := new(RR_DNSKEY)
|
|
|
|
rr.Hdr = h
|
2011-12-15 23:15:31 +11:00
|
|
|
|
2011-12-16 08:44:09 +11:00
|
|
|
l := <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DNSKEY", l}
|
2011-12-16 08:44:09 +11:00
|
|
|
} else {
|
|
|
|
rr.Flags = uint16(i)
|
|
|
|
}
|
2011-12-15 23:15:31 +11:00
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c // _STRING
|
2011-12-16 08:44:09 +11:00
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DNSKEY", l}
|
2011-12-16 08:44:09 +11:00
|
|
|
} else {
|
|
|
|
rr.Protocol = uint8(i)
|
|
|
|
}
|
2011-12-15 23:15:31 +11:00
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c // _STRING
|
2011-12-16 08:44:09 +11:00
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DNSKEY", l}
|
2011-12-16 08:44:09 +11:00
|
|
|
} else {
|
|
|
|
rr.Algorithm = uint8(i)
|
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
var s string
|
2011-12-15 23:15:31 +11:00
|
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
|
|
switch l.value {
|
|
|
|
case _STRING:
|
|
|
|
s += l.token
|
|
|
|
case _BLANK:
|
|
|
|
// Ok
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DNSKEY", l}
|
2011-12-15 23:15:31 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
rr.PublicKey = s
|
|
|
|
return rr, nil
|
|
|
|
}
|
|
|
|
|
2011-12-16 21:33:30 +11:00
|
|
|
// DLV and TA are the same
|
2012-01-22 09:36:54 +11:00
|
|
|
func setDS(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
2011-12-16 21:30:29 +11:00
|
|
|
rr := new(RR_DS)
|
|
|
|
rr.Hdr = h
|
|
|
|
l := <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DS", l}
|
2011-12-16 21:30:29 +11:00
|
|
|
} else {
|
|
|
|
rr.KeyTag = uint16(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DS", l}
|
2011-12-16 21:30:29 +11:00
|
|
|
} else {
|
|
|
|
rr.Algorithm = uint8(i)
|
|
|
|
}
|
|
|
|
<-c // _BLANK
|
|
|
|
l = <-c
|
|
|
|
if i, e := strconv.Atoi(l.token); e != nil {
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DS", l}
|
2011-12-16 21:30:29 +11:00
|
|
|
} else {
|
|
|
|
rr.DigestType = uint8(i)
|
|
|
|
}
|
|
|
|
// There can be spaces here...
|
|
|
|
l = <-c
|
2011-12-17 00:48:30 +11:00
|
|
|
s := ""
|
2011-12-16 21:30:29 +11:00
|
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
|
|
switch l.value {
|
|
|
|
case _STRING:
|
|
|
|
s += l.token
|
|
|
|
case _BLANK:
|
|
|
|
// Ok
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad DS", l}
|
2011-12-16 21:30:29 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
rr.Digest = s
|
|
|
|
return rr, nil
|
|
|
|
}
|
|
|
|
|
2012-01-22 09:36:54 +11:00
|
|
|
func setTXT(h RR_Header, c chan lex, f string) (RR, *ParseError) {
|
2011-12-15 01:37:36 +11:00
|
|
|
rr := new(RR_TXT)
|
|
|
|
rr.Hdr = h
|
2011-12-15 00:02:55 +11:00
|
|
|
|
2011-12-15 01:37:36 +11:00
|
|
|
// Get the remaining data until we see a NEWLINE
|
|
|
|
l := <-c
|
|
|
|
var s string
|
|
|
|
for l.value != _NEWLINE && l.value != _EOF {
|
|
|
|
switch l.value {
|
|
|
|
case _STRING:
|
|
|
|
s += l.token
|
|
|
|
case _BLANK:
|
|
|
|
s += l.token
|
|
|
|
default:
|
2012-01-22 09:36:54 +11:00
|
|
|
return nil, &ParseError{f, "bad TXT", l}
|
2011-12-15 01:37:36 +11:00
|
|
|
}
|
|
|
|
l = <-c
|
|
|
|
}
|
|
|
|
rr.Txt = s
|
|
|
|
return rr, nil
|
2011-12-15 00:02:55 +11:00
|
|
|
}
|