Add support for MD and MF

types.go

@@ -291,6 +291,40 @@ func (rr *RR_MR) Len() int {
 	return rr.Hdr.Len() + l
 }
 
+type RR_MF struct {
+	Hdr RR_Header
+	Mf   string `dns:"cdomain-name"`
+}
+
+func (rr *RR_MF) Header() *RR_Header {
+	return &rr.Hdr
+}
+
+func (rr *RR_MF) String() string {
+	return rr.Hdr.String() + " " + rr.Mf
+}
+
+func (rr *RR_MF) Len() int {
+	return rr.Hdr.Len() + len(rr.Mf) + 1
+}
+
+type RR_MD struct {
+	Hdr RR_Header
+	Md   string `dns:"cdomain-name"`
+}
+
+func (rr *RR_MD) Header() *RR_Header {
+	return &rr.Hdr
+}
+
+func (rr *RR_MD) String() string {
+	return rr.Hdr.String() + " " + rr.Md
+}
+
+func (rr *RR_MD) Len() int {
+	return rr.Hdr.Len() + len(rr.Md) + 1
+}
+
 type RR_MX struct {
 	Hdr  RR_Header
 	Pref uint16

zscan_rr.go

@@ -31,6 +31,12 @@ func setRR(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
 	case TypePTR:
 		r, e = setPTR(h, c, o, f)
 		goto Slurp
+	case TypeMF:
+		r, e = setMF(h, c, o, f)
+		goto Slurp
+	case TypeMD:
+		r, e = setMD(h, c, o, f)
+		goto Slurp
 	case TypeMX:
 		r, e = setMX(h, c, o, f)
 		goto Slurp
@@ -283,6 +289,38 @@ func setMINFO(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
 	return rr, nil
 }
 
+func setMF(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
+	rr := new(RR_MF)
+	rr.Hdr = h
+
+	l := <-c
+	rr.Mf = l.token
+	_, ld, ok := IsDomainName(l.token)
+	if !ok {
+		return nil, &ParseError{f, "bad MF Mf", l}
+	}
+	if rr.Mf[ld-1] != '.' {
+		rr.Mf = appendOrigin(rr.Mf, o)
+	}
+	return rr, nil
+}
+
+func setMD(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
+	rr := new(RR_MD)
+	rr.Hdr = h
+
+	l := <-c
+	rr.Md = l.token
+	_, ld, ok := IsDomainName(l.token)
+	if !ok {
+		return nil, &ParseError{f, "bad MD Md", l}
+	}
+	if rr.Md[ld-1] != '.' {
+		rr.Md = appendOrigin(rr.Md, o)
+	}
+	return rr, nil
+}
+
 func setMX(h RR_Header, c chan lex, o, f string) (RR, *ParseError) {
 	rr := new(RR_MX)
 	rr.Hdr = h