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basic fingerprint framework ready

This commit is contained in:
Miek Gieben 2011-09-20 10:10:04 +02:00
parent 8e71248212
commit f8b01b366b
1 changed files with 9 additions and 5 deletions
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14
_examples/q/lex.go
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@ -6,6 +6,7 @@ package main
import (
"dns"
"fmt"
)
type itemType int
@ -60,11 +61,15 @@ func (l *lexer) run() {
}()
}
func (l *lexer) verbose(s string) {
fmt.Printf("running: dns%s\n", s)
}
// "Lexer" functions, prefixed with dns
// Check if the server responds
// Check if the server responds at all
func dnsAlive(l *lexer) stateFn {
println("lexAlive")
l.verbose("Alive")
l.setString("QUERY,NOERROR,qr,aa,tc,rd,ad,cd,z,1,0,0,0,do,0")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
@ -79,9 +84,8 @@ func dnsAlive(l *lexer) stateFn {
// Check if the server returns the DO-bit when set in the request.
func dnsDoBitMirror(l *lexer) stateFn {
println("lexDoBitMirror")
// The important part here is that the DO bit is on
l.verbose("DoBitMirror")
// The important part here is that the DO bit is on in the reply
l.setString("QUERY,NOERROR,qr,aa,tc,RD,ad,cd,z,1,0,0,0,DO,0")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)