1 package org.cacert.gigi.ping;
3 import java.io.BufferedReader;
4 import java.io.IOException;
5 import java.io.InputStreamReader;
6 import java.util.Arrays;
7 import java.util.LinkedList;
9 public class DNSPinger extends DomainPinger {
12 public void ping(String domain, String configuration, String expToken) {
14 Process p = Runtime.getRuntime().exec(new String[] {
15 "dig", "+short", "NS", domain
17 BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
19 LinkedList<String> nameservers = new LinkedList<String>();
20 while ((line = br.readLine()) != null) {
21 nameservers.add(line);
24 StringBuffer result = new StringBuffer();
25 result.append("failed: ");
26 boolean failed = nameservers.isEmpty();
28 for (String NS : nameservers) {
29 String[] call = new String[] {
30 "dig", "+short", "TXT", "cacert." + domain, NS
32 System.out.println(Arrays.toString(call));
33 p = Runtime.getRuntime().exec(call);
34 br = new BufferedReader(new InputStreamReader(p.getInputStream()));
36 boolean found = false;
37 while ((line = br.readLine()) != null) {
42 token = line.substring(1, line.length() - 1);
43 if (token.equals(expToken)) {
50 result.append(" DIFFER;");
52 result.append(" EMPTY;");
61 System.out.println(result.toString());
62 } catch (IOException e) {