community
/
dns
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Like this?

This commit is contained in:
Miek Gieben 2012-01-15 16:45:18 +01:00
parent 6cf6ac4a9c
commit c28cd4c217
3 changed files with 39 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
_examples/q/dns.go
View File

@ -12,7 +12,7 @@ const (
// Check if the server responds at all
func dnsAlive(l *lexer) stateFn {
l.debug("Alive")
l.verbose("Alive")
l.setString(QUERY_NOERROR)
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
@ -27,7 +27,7 @@ func dnsAlive(l *lexer) stateFn {
// This is the starting test. Perform a bunch of queries, get the
// fingerprint a go into a general direction. NsdLike, BindLike, WindowsLike, MaraLike
func dnsServer(l *lexer) stateFn {
l.debug("Server")
l.verbose("Server")
// Set the DO bit
l.setString("QUERY,NOERROR,qr,aa,tc,RD,ra,ad,cd,z,0,0,0,0,DO,4097,NSID")
@ -76,7 +76,7 @@ func dnsServer(l *lexer) stateFn {
}
func dnsNsdLike(l *lexer) stateFn {
l.debug("NsdLike")
l.verbose("NsdLike")
l.setString(QUERY_NOERROR)
l.setQuestion("authors.bind.", dns.TypeTXT, dns.ClassCHAOS)
l.probe()
@ -85,7 +85,7 @@ func dnsNsdLike(l *lexer) stateFn {
}
func dnsBindLike(l *lexer) stateFn {
l.debug("BindLike")
l.verbose("BindLike")
l.emit(&item{itemSoftware, BIND})
@ -142,24 +142,24 @@ func dnsBindLike(l *lexer) stateFn {
}
func dnsWindowsLike(l *lexer) stateFn {
l.debug("WindowsLike")
l.verbose("WindowsLike")
return nil
}
func dnsMaraLike(l *lexer) stateFn {
l.debug("MaraLike")
l.verbose("MaraLike")
return nil
}
func dnsPowerdnsLike(l *lexer) stateFn {
l.debug("PowerdnsLike")
l.verbose("PowerdnsLike")
return nil
}
func dnsYadifaLike(l *lexer) stateFn {
l.debug("YadifaLike")
l.verbose("YadifaLike")
l.setString(".,CLASS0,TYPE0,QUERY,NOERROR,QR,aa,tc,rd,ra,ad,cd,z,0,0,0,0,do,0,nsid")
l.probe()
l.setString(".,CLASS42,TXT,QUERY,NOERROR,qr,aa,tc,rd,ra,ad,cd,z,0,0,0,0,do,0,nsid")
@ -168,8 +168,8 @@ func dnsYadifaLike(l *lexer) stateFn {
}
func dnsNeustarLike(l *lexer) stateFn {
l.debug("NeustarLike")
l.debug("UltraDNS")
l.verbose("NeustarLike")
l.verbose("UltraDNS")
l.setString(".,CLASS42,TXT,QUERY,NOERROR,qr,aa,tc,rd,ra,ad,cd,z,0,0,0,0,do,0,nsid")
l.probe()
@ -177,14 +177,14 @@ func dnsNeustarLike(l *lexer) stateFn {
}
func dnsAtlasLike(l *lexer) stateFn {
l.debug("AtlasLike")
l.verbose("AtlasLike")
return nil
}
// Check if the server returns the DO-bit when set in the request.
func dnsDoBitMirror(l *lexer) stateFn {
l.debug("DoBitMirror")
l.verbose("DoBitMirror")
l.setString("QUERY,NOERROR,qr,aa,tc,RD,ra,ad,cd,z,0,0,0,0,DO,0,NSID")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
@ -199,7 +199,7 @@ func dnsDoBitMirror(l *lexer) stateFn {
}
func dnsEDNS0Mangler(l *lexer) stateFn {
l.debug("EDNS0Mangler")
l.verbose("EDNS0Mangler")
l.setString("NOTIFY,NOERROR,qr,aa,tc,RD,ra,ad,cd,z,0,0,0,0,do,0,nsid")
l.setQuestion("012345678901234567890123456789012345678901234567890123456789012.012345678901234567890123456789012345678901234567890123456789012.012345678901234567890123456789012345678901234567890123456789012.0123456789012345678901234567890123456789012345678901234567890.", dns.TypeA, dns.ClassINET)
f, _ := l.probe()
@ -212,7 +212,7 @@ func dnsEDNS0Mangler(l *lexer) stateFn {
}
func dnsTcEnable(l *lexer) stateFn {
l.debug("TcEnable")
l.verbose("TcEnable")
l.setString("QUERY,NOERROR,qr,aa,TC,rd,ra,ad,cd,z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -220,7 +220,7 @@ func dnsTcEnable(l *lexer) stateFn {
}
func dnsUDPSize(l *lexer) stateFn {
l.debug("UDPSize")
l.verbose("UDPSize")
l.setString("QUERY,NOERROR,qr,aa,tc,rd,ra,ad,cd,z,0,0,0,0,DO,4097,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -228,7 +228,7 @@ func dnsUDPSize(l *lexer) stateFn {
}
func dnsZero(l *lexer) stateFn {
l.debug("Zero")
l.verbose("Zero")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.setString("QUERY,NOERROR,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.probe()
@ -236,7 +236,7 @@ func dnsZero(l *lexer) stateFn {
}
func dnsAll(l *lexer) stateFn {
l.debug("All")
l.verbose("All")
l.setString("QUERY,NOERROR,qr,AA,TC,RD,RA,AD,CD,Z,0,0,0,0,DO,8192,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -244,7 +244,7 @@ func dnsAll(l *lexer) stateFn {
}
func dnsIquery(l *lexer) stateFn {
l.debug("Iquery")
l.verbose("Iquery")
l.setString("IQUERY,NOERROR,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -252,7 +252,7 @@ func dnsIquery(l *lexer) stateFn {
}
func dnsUpdate(l *lexer) stateFn {
l.debug("Update")
l.verbose("Update")
l.setString("UPDATE,NOERROR,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -260,7 +260,7 @@ func dnsUpdate(l *lexer) stateFn {
}
func dnsStatus(l *lexer) stateFn {
l.debug("Status")
l.verbose("Status")
l.setString("STATUS,NOERROR,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -268,7 +268,7 @@ func dnsStatus(l *lexer) stateFn {
}
func dnsOpcodeWhacky(l *lexer) stateFn {
l.debug("OpcodeWhacky")
l.verbose("OpcodeWhacky")
l.setString("12,NOERROR,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -276,7 +276,7 @@ func dnsOpcodeWhacky(l *lexer) stateFn {
}
func dnsRcodeWhacky(l *lexer) stateFn {
l.debug("RcodeWhacky")
l.verbose("RcodeWhacky")
l.setString("QUERY,31,qr,aa,tc,rd,ra,ad,cd,Z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()
@ -284,7 +284,7 @@ func dnsRcodeWhacky(l *lexer) stateFn {
}
func dnsRcodeNotZone(l *lexer) stateFn {
l.debug("RcodeNotZone")
l.verbose("RcodeNotZone")
l.setString("QUERY,NOTZONE,qr,aa,tc,rd,ra,ad,cd,z,0,0,0,0,do,0,nsid")
l.setQuestion(".", dns.TypeNS, dns.ClassINET)
l.probe()

2
_examples/q/fp.go
View File

@ -39,7 +39,7 @@ func startParse(addr string) {
fp: new(fingerprint),
items: make(chan item),
state: dnsAlive,
debugging: true,
debug: true,
}
l.run()

40
_examples/q/lex.go
View File

@ -38,23 +38,20 @@ var itemString = map[itemType]string{
type stateFn func(*lexer) stateFn
type lexer struct {
client *dns.Client // client used.
addr string // addr of the server being scanned.
fp *fingerprint // fingerprint to test.
q dns.Question // question to ask.
items chan item // channel of scanned items.
state stateFn // the next function to enter.
verbose bool // if true, the fingerprints are printed.
debugging bool // If true, print the function names.
client *dns.Client // client used.
addr string // addr of the server being scanned.
fp *fingerprint // fingerprint to test.
items chan item // channel of scanned items.
state stateFn // the next function to enter.
debug bool // if true, the fingerprints are printed.
}
func (l *lexer) probe() (*fingerprint, dns.Question) {
f, q := sendProbe(l.client, l.addr, l.fp, l.q)
if l.verbose {
fmt.Printf("QR : %s\t-", f)
fmt.Printf(" (%s)\n", q.String())
func (l *lexer) probe() *fingerprint {
f := sendProbe(l.client, l.addr, l.fp)
if l.debug {
fmt.Printf(" QR fp: %s\n", f)
}
return f, q
return f
}
func (l *lexer) emit(i *item) {
@ -63,15 +60,8 @@ func (l *lexer) emit(i *item) {
func (l *lexer) setString(s string) {
l.fp.setString(s)
if l.verbose {
fmt.Printf("Q : %s\t-", s)
}
}
func (l *lexer) setQuestion(name string, t uint16, c uint16) {
l.q = dns.Question{name, t, c}
if l.verbose {
fmt.Printf(" (%s)\n", l.q.String())
if l.debug {
fmt.Printf(" Q fp: %s\n", s)
}
}
@ -84,8 +74,8 @@ func (l *lexer) run() {
}()
}
func (l *lexer) debug(s string) {
if l.debugging {
func (l *lexer) verbose(s string) {
if l.debug {
fmt.Printf(" dns%s\n", s)
}
}