func handleReflect(w dns.ResponseWriter, r *dns.Msg) {
var (
v4 bool
rr dns.RR
str string
a net.IP
)
// TC must be done here
m := new(dns.Msg)
m.SetReply(r)
m.Compress = *compress
if ip, ok := w.RemoteAddr().(*net.UDPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (udp)"
a = ip.IP
v4 = a.To4() != nil
}
if ip, ok := w.RemoteAddr().(*net.TCPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (tcp)"
a = ip.IP
v4 = a.To4() != nil
}
if v4 {
rr = new(dns.RR_A)
rr.(*dns.RR_A).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_A).A = a.To4()
} else {
rr = new(dns.RR_AAAA)
rr.(*dns.RR_AAAA).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeAAAA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_AAAA).AAAA = a
}
t := new(dns.RR_TXT)
t.Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: 0}
t.Txt = []string{str}
switch r.Question[0].Qtype {
case dns.TypeTXT:
m.Answer = append(m.Answer, t)
m.Extra = append(m.Extra, rr)
default:
fallthrough
case dns.TypeAAAA, dns.TypeA:
m.Answer = append(m.Answer, rr)
m.Extra = append(m.Extra, t)
}
if r.IsTsig() {
if w.TsigStatus() == nil {
m.SetTsig(r.Extra[len(r.Extra)-1].(*dns.RR_TSIG).Hdr.Name, dns.HmacMD5, 300, r.MsgHdr.Id, time.Now().Unix())
} else {
println("Status", w.TsigStatus().Error())
}
}
if *printf {
fmt.Printf("%v\n", m.String())
}
w.Write(m)
}
func serve(w dns.ResponseWriter, req *dns.Msg) {
out, err := doFunkensturm(req)
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", err.String())
return
}
if out != nil {
w.Write(out)
}
}
func handleReflect(w dns.ResponseWriter, r *dns.Msg) {
m := new(dns.Msg)
m.SetReply(r)
m.Extra = make([]dns.RR, 1)
m.Answer = make([]dns.RR, 1)
var (
v4 bool
rr dns.RR
str string
a net.IP
)
if ip, ok := w.RemoteAddr().(*net.UDPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (udp)"
a = ip.IP
v4 = a.To4() != nil
}
if ip, ok := w.RemoteAddr().(*net.TCPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (tcp)"
a = ip.IP
v4 = a.To4() != nil
}
if v4 {
rr = new(dns.RR_A)
rr.(*dns.RR_A).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_A).A = a
} else {
rr = new(dns.RR_AAAA)
rr.(*dns.RR_AAAA).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeAAAA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_AAAA).AAAA = a
}
t := new(dns.RR_TXT)
t.Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: 0}
t.Txt = str
m.Extra[0] = t
m.Answer[0] = rr
b, ok := m.Pack()
if !ok {
return
}
w.Write(b)
}
func send(w dns.ResponseWriter, m *dns.Msg) {
buf, _ := m.Pack()
w.Write(buf)
}
func handleReflect(w dns.ResponseWriter, r *dns.Msg) {
var (
v4 bool
rr dns.RR
str string
a net.IP
)
m := new(dns.Msg)
m.SetReply(r)
if ip, ok := w.RemoteAddr().(*net.UDPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (udp)"
a = ip.IP
v4 = a.To4() != nil
}
if ip, ok := w.RemoteAddr().(*net.TCPAddr); ok {
str = "Port: " + strconv.Itoa(ip.Port) + " (tcp)"
a = ip.IP
v4 = a.To4() != nil
}
if v4 {
rr = new(dns.RR_A)
rr.(*dns.RR_A).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_A).A = a.To4()
} else {
rr = new(dns.RR_AAAA)
rr.(*dns.RR_AAAA).Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeAAAA, Class: dns.ClassINET, Ttl: 0}
rr.(*dns.RR_AAAA).AAAA = a
}
t := new(dns.RR_TXT)
t.Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeTXT, Class: dns.ClassINET, Ttl: 0}
t.Txt = str
switch r.Question[0].Qtype {
case dns.TypeTXT:
m.Answer = append(m.Answer, t)
m.Extra = append(m.Extra, rr)
default:
fallthrough
case dns.TypeAAAA, dns.TypeA:
m.Answer = append(m.Answer, rr)
m.Extra = append(m.Extra, t)
}
/*
nsec3 := new(dns.RR_NSEC3)
nsec3.Hdr = dns.RR_Header{Name: dom, Rrtype: dns.TypeNSEC3, Class: dns.ClassINET, Ttl: 0}
nsec3.Hash = dns.SHA1
nsec3.Flags = 0
nsec3.Iterations = 1
nsec3.Salt = "AABB"
nsec3.SaltLength = uint8(len(nsec3.Salt)/2)
nsec3.NextDomain = "miek.nl."
nsec3.TypeBitMap = []uint16{dns.TypeA, dns.TypeNS, dns.TypeSOA, dns.TypeTXT, dns.TypeRRSIG, 4000, 4001, 5949}
nsec3.HashNames("miek.nl.")
m.Extra = append(m.Extra, nsec3)
*/
b, ok := m.Pack()
if *printf {
fmt.Printf("%v\n", m.String())
}
if !ok {
log.Print("Packing failed")
m.SetRcode(r, dns.RcodeServerFailure)
m.Extra = nil
m.Answer = nil
b, _ = m.Pack()
}
w.Write(b)
}
func serve(w dns.ResponseWriter, req *dns.Msg) {
if out := doFunkenSturm(req); out != nil {
w.Write(out)
}
}