add TKEY and finalize TSIG

No crypto validation ofcourse... only the definition of the RRs

README

@@ -2,7 +2,8 @@ Alternative (more granular) approach to a DNS library.
 
 Completely usable as a DNS client library. Most widely used Resource
 Records are supported. DNSSEC types are too (except NSEC/NSEC3, for now). EDNS0
-is supported (see edns.go).
+is (see edns.go), UDP/TCP queries, AXFR (and IXFR probably
+too) supported.
 
 Sample programs can be found in the _examples directory.
 
@@ -17,6 +18,7 @@ Implemented RFCS:
 * RFC 1034/1035
 * RFC 4033/4034/4035 
 * RFC 5155 (NSEC3)
+* And all that I forgot
 
 Loosely based upon:
 * ldns

TODO

@@ -14,7 +14,6 @@ Todo:
 Issues:
 * Better sized buffers
 * Make the testsuite work with public DNS servers
-* TC bit handling
 * shortened ipv6 addresses are not parsed correctly
 * quoted quotes in txt records
 * Convience functions?

msg.go

@@ -87,6 +87,8 @@ var Rr_str = map[uint16]string{
         TypeDNSKEY:     "DNSKEY",
         TypeNSEC3:      "NSEC3",
         TypeNSEC3PARAM: "NSEC3PARAM",
+        TypeTKEY:       "TKEY",
+        TypeTSIG:       "TSIG",
         TypeAXFR:       "AXFR",         // Not real RRs
         TypeIXFR:       "IXFR",
 }

types.go

@@ -59,6 +59,7 @@ const (
 	TypeNSEC3      = 50
 	TypeNSEC3PARAM = 51
 
+	TypeTKEY = 249
 	TypeTSIG = 250
 	// valid Question.qtype only
 	TypeIXFR  = 251
@@ -85,6 +86,10 @@ const (
 	TsigBadSig  = 16
 	TsigBadKey  = 17
 	TsigBadTime = 18
+	// Tkey errors
+	TkeyBadMode = 19
+	TkeyBadName = 20
+	TKeyBadAlg  = 21
 )
 
 // The wire format for the DNS packet header.
@@ -484,6 +489,27 @@ func (rr *RR_NSEC3PARAM) String() string {
 	// Salt with strings.ToUpper()
 }
 
+type RR_TKEY struct {
+	Hdr        RR_Header
+	Algoritim  string "domain-name"
+	Inception  uint32
+	Expiration uint32
+	Mode       uint16
+	Error      uint16
+	KeySize    uint16
+	Key        string
+	Otherlen   uint16
+	OtherData  string
+}
+
+func (rr *RR_TKEY) Header() *RR_Header {
+	return &rr.Hdr
+}
+
+func (rr *RR_TKEY) String() string {
+	return rr.Hdr.String() + "BLAHBLAH"
+}
+
 type RR_TSIG struct {
 	Hdr        RR_Header
 	Algoritim  string    "domain-name"
@@ -540,4 +566,6 @@ var rr_mk = map[int]func() RR{
 	TypeDNSKEY:     func() RR { return new(RR_DNSKEY) },
 	TypeNSEC3:      func() RR { return new(RR_NSEC3) },
 	TypeNSEC3PARAM: func() RR { return new(RR_NSEC3PARAM) },
+	TypeTKEY:       func() RR { return new(RR_TKEY) },
+	TypeTSIG:       func() RR { return new(RR_TSIG) },
 }