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Allow parsing of TLSA

This commit is contained in:
Miek Gieben 2012-02-18 19:08:39 +01:00
parent 70122e69d5
commit 8ff38fb8c1
2 changed files with 43 additions and 3 deletions
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2
types.go
View File

@ -577,7 +577,6 @@ func (rr *RR_LOC) Header() *RR_Header {
}
func (rr *RR_LOC) String() string {
// Version is not shown
return rr.Hdr.String() + "TODO"
}
@ -1010,7 +1009,6 @@ func (rr *RR_TSIG) Len() int {
4 + len(rr.MAC)/2 + 1 + 6 + len(rr.OtherData)/2 + 1
}
// DANE
type RR_TLSA struct {
Hdr RR_Header
Usage uint8

44
zscan_rr.go
View File

@ -66,6 +66,8 @@ func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
return setNSEC3PARAM(h, c, f)
case TypeDS:
return setDS(h, c, f)
case TypeTLSA:
return setTLSA(h, c, f)
case TypeTXT:
return setTXT(h, c, f)
case TypeSPF:
@ -706,7 +708,6 @@ func setDNSKEY(h RR_Header, c chan lex, f string) (RR, *ParseError) {
return rr, nil
}
// DLV and TA are the same
func setDS(h RR_Header, c chan lex, f string) (RR, *ParseError) {
rr := new(RR_DS)
rr.Hdr = h
@ -748,6 +749,47 @@ func setDS(h RR_Header, c chan lex, f string) (RR, *ParseError) {
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.KeyTag = 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.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 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