1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/types.go b/vendor/github.com/miekg/dns/types.go
index 5059d1a79..f63a18b33 100644
--- a/vendor/github.com/miekg/dns/types.go
+++ b/vendor/github.com/miekg/dns/types.go
@@ -70,6 +70,7 @@ const (
 	TypeNSEC3      uint16 = 50
 	TypeNSEC3PARAM uint16 = 51
 	TypeTLSA       uint16 = 52
+	TypeSMIMEA     uint16 = 53
 	TypeHIP        uint16 = 55
 	TypeNINFO      uint16 = 56
 	TypeRKEY       uint16 = 57
@@ -1047,6 +1048,28 @@ func (rr *TLSA) String() string {
 		" " + rr.Certificate
 }
 
+type SMIMEA struct {
+	Hdr          RR_Header
+	Usage        uint8
+	Selector     uint8
+	MatchingType uint8
+	Certificate  string `dns:"hex"`
+}
+
+func (rr *SMIMEA) String() string {
+	s := rr.Hdr.String() +
+		strconv.Itoa(int(rr.Usage)) +
+		" " + strconv.Itoa(int(rr.Selector)) +
+		" " + strconv.Itoa(int(rr.MatchingType))
+
+	// Every Nth char needs a space on this output. If we output
+	// this as one giant line, we can't read it can in because in some cases
+	// the cert length overflows scan.maxTok (2048).
+	sx := splitN(rr.Certificate, 1024) // conservative value here
+	s += " " + strings.Join(sx, " ")
+	return s
+}
+
 type HIP struct {
 	Hdr                RR_Header
 	HitLength          uint8
@@ -1247,3 +1270,25 @@ func copyIP(ip net.IP) net.IP {
 	copy(p, ip)
 	return p
 }
+
+// SplitN splits a string into N sized string chunks.
+// This might become an exported function once.
+func splitN(s string, n int) []string {
+	if len(s) < n {
+		return []string{s}
+	}
+	sx := []string{}
+	p, i := 0, n
+	for {
+		if i <= len(s) {
+			sx = append(sx, s[p:i])
+		} else {
+			sx = append(sx, s[p:])
+			break
+
+		}
+		p, i = p+n, i+n
+	}
+
+	return sx
+}