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make q do axfr

This commit is contained in:
Miek Gieben 2012-09-03 18:53:34 +02:00
parent c03a914cec
commit ec1f57db6c
1 changed files with 47 additions and 32 deletions
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79
ex/q/q.go
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@ -11,12 +11,18 @@ import (
"time"
)
var dnskey *dns.RR_DNSKEY
// TODO: serial in ixfr
var (
dnskey *dns.RR_DNSKEY
short *bool
)
func main() {
short = flag.Bool("short", false, "abbreviate long DNSSEC records")
dnssec := flag.Bool("dnssec", false, "request DNSSEC records")
query := flag.Bool("question", false, "show question")
short := flag.Bool("short", false, "abbreviate long DNSSEC records")
check := flag.Bool("check", false, "check internal DNSSEC consistency")
six := flag.Bool("6", false, "use IPv6 only")
four := flag.Bool("4", false, "use IPv4 only")
@ -31,6 +37,7 @@ func main() {
tcp := flag.Bool("tcp", false, "TCP mode")
nsid := flag.Bool("nsid", false, "set edns nsid option")
client := flag.String("client", "", "set edns client-subnet option")
//serial := flag.Int("serial", 0, "perform an IXFR with this serial")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s [@server] [qtype] [qclass] [name ...]\n", os.Args[0])
flag.PrintDefaults()
@ -39,7 +46,7 @@ func main() {
conf, _ := dns.ClientConfigFromFile("/etc/resolv.conf")
nameserver := "@" + conf.Servers[0]
qtype := uint16(0)
qclass := uint16(dns.ClassINET) // Default qclass
qclass := uint16(dns.ClassINET)
var qname []string
flag.Parse()
@ -70,14 +77,6 @@ Flags:
// And if it looks like type, it is a type
if k, ok := dns.Str_rr[strings.ToUpper(flag.Arg(i))]; ok {
qtype = k
switch qtype {
case dns.TypeAXFR:
fmt.Fprintf(os.Stderr, "AXFR not supported\n")
return
case dns.TypeIXFR:
fmt.Fprintf(os.Stderr, "AXFR not supported\n")
return
}
continue Flags
}
// If it looks like a class, it is a class
@ -90,14 +89,6 @@ Flags:
i, e := strconv.Atoi(string([]byte(flag.Arg(i))[4:]))
if e == nil {
qtype = uint16(i)
switch qtype {
case dns.TypeAXFR:
fmt.Fprintf(os.Stderr, "AXFR not supported\n")
return
case dns.TypeIXFR:
fmt.Fprintf(os.Stderr, "AXFR not supported\n")
return
}
continue Flags
}
}
@ -192,10 +183,15 @@ Flags:
m.SetTsig(name, algo, 300, time.Now().Unix())
c.TsigSecret = map[string]string{name: secret}
} else {
fmt.Fprintf(os.Stderr, "tsig key data error\n")
fmt.Fprintf(os.Stderr, "TSIG key data error\n")
return
}
}
if qtype == dns.TypeAXFR || qtype == dns.TypeIXFR {
doXfr(c, m, nameserver)
continue
}
c.DoRtt(m, nameserver, nil, func(m, r *dns.Msg, rtt time.Duration, e error, data interface{}) {
defer func() {
if i == len(qname)-1 {
@ -211,7 +207,7 @@ Flags:
return
}
if r.Id != m.Id {
fmt.Printf("Id mismatch\n")
fmt.Fprintf(os.Stderr, "Id mismatch\n")
return
}
if r.MsgHdr.Truncated && *fallback {
@ -320,18 +316,18 @@ func nsecCheck(in *dns.Msg) {
return
Check:
/*
w, err := in.Nsec3Verify(in.Question[0])
switch w {
case dns.NSEC3_NXDOMAIN:
fmt.Printf(";+ [beta] Correct denial of existence (NSEC3/NXDOMAIN)\n")
case dns.NSEC3_NODATA:
fmt.Printf(";+ [beta] Correct denial of existence (NSEC3/NODATA)\n")
default:
// w == 0
if err != nil {
fmt.Printf(";- [beta] Incorrect denial of existence (NSEC3): %s\n", err.Error())
w, err := in.Nsec3Verify(in.Question[0])
switch w {
case dns.NSEC3_NXDOMAIN:
fmt.Printf(";+ [beta] Correct denial of existence (NSEC3/NXDOMAIN)\n")
case dns.NSEC3_NODATA:
fmt.Printf(";+ [beta] Correct denial of existence (NSEC3/NODATA)\n")
default:
// w == 0
if err != nil {
fmt.Printf(";- [beta] Incorrect denial of existence (NSEC3): %s\n", err.Error())
}
}
}
*/
}
@ -413,3 +409,22 @@ func shortRR(r dns.RR) dns.RR {
}
return r
}
func doXfr(c *dns.Client, m *dns.Msg, nameserver string) {
if t, e := c.XfrReceive(m, nameserver); e == nil {
for r := range t {
if r.Error == nil {
for _, rr := range r.RR {
if *short {
rr = shortRR(rr)
}
fmt.Printf("%v\n", rr)
}
} else {
fmt.Fprintf(os.Stderr, "Failure to read XFR: %s\n", r.Error.Error())
}
}
} else {
fmt.Printf("Error %v\n", e)
}
}