community
/
dns
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Parsing a signed miek.nl works

This commit is contained in:
Miek Gieben 2011-12-16 11:20:17 +01:00
parent c387c41767
commit 28bc54e91a
1 changed files with 38 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
zscan_rr.go
View File

@ -15,7 +15,7 @@ import (
func setRR(h RR_Header, c chan Lex) (RR, *ParseError) {
var r RR
e := new(ParseError)
e := new(ParseError)
switch h.Rrtype {
case TypeA:
r, e = setA(h, c)
@ -65,6 +65,14 @@ func setRR(h RR_Header, c chan Lex) (RR, *ParseError) {
if se := slurpRemainder(c); se != nil {
return nil, se
}
case TypeSSHFP:
r, e = setSSHFP(h, c)
if e != nil {
return nil, e
}
if se := slurpRemainder(c); se != nil {
return nil, se
}
// 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.
@ -101,7 +109,7 @@ func slurpRemainder(c chan Lex) *ParseError {
}
// Ok
case _NEWLINE:
// Ok
// Ok
case _EOF:
// Ok
default:
@ -196,7 +204,7 @@ func setSOA(h RR_Header, c chan Lex) (RR, *ParseError) {
<-c // _BLANK
var j int
var e error
var e error
for i := 0; i < 5; i++ {
l = <-c
if j, e = strconv.Atoi(l.token); e != nil {
@ -205,16 +213,16 @@ func setSOA(h RR_Header, c chan Lex) (RR, *ParseError) {
switch i {
case 0:
rr.Serial = uint32(j)
<-c // _BLANK
<-c // _BLANK
case 1:
rr.Refresh = uint32(j)
<-c // _BLANK
<-c // _BLANK
case 2:
rr.Retry = uint32(j)
<-c // _BLANK
<-c // _BLANK
case 3:
rr.Expire = uint32(j)
<-c // _BLANK
<-c // _BLANK
case 4:
rr.Minttl = uint32(j)
}
@ -383,6 +391,29 @@ func setNSEC3(h RR_Header, c chan Lex) (RR, *ParseError) {
return rr, nil
}
func setSSHFP(h RR_Header, c chan Lex) (RR, *ParseError) {
rr := new(RR_SSHFP)
rr.Hdr = h
l := <-c
if i, e := strconv.Atoi(l.token); e != nil {
return nil, &ParseError{"bad SSHFP", l}
} else {
rr.Algorithm = uint8(i)
}
<-c // _BLANK
l = <-c
if i, e := strconv.Atoi(l.token); e != nil {
return nil, &ParseError{"bad SSHFP", 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) (RR, *ParseError) {
rr := new(RR_DNSKEY)
rr.Hdr = h
@ -567,28 +598,4 @@ func setCNAME(h RR_Header, c chan Lex) (RR, *ParseError) {
}
func setSSHFP(h RR_Header, c chan Lex) (RR, *ParseError) {
rr := new(RR_CNAME)
rr.Hdr = h
var (
i int
e os.Error
)
rdf := fields(data[mark:p], 3)
rr := new(RR_SSHFP)
rr.Hdr = hdr
rr.Hdr.Rrtype = TypeSSHFP
if i, e = strconv.Atoi(rdf[0]); e != nil {
zp.Err <- &ParseError{Error: "bad SSHFP", name: rdf[0], line: l}
return
}
rr.Algorithm = uint8(i)
if i, e = strconv.Atoi(rdf[1]); e != nil {
zp.Err <- &ParseError{Error: "bad SSHFP", name: rdf[1], line: l}
return
}
rr.Type = uint8(i)
rr.FingerPrint = rdf[2]
zp.RR <- rr
}
*/