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(
15 new String[]{"dig", "+short", "NS", domain});
16 BufferedReader br = new BufferedReader(new InputStreamReader(
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();
27 nameservers : for (String NS : nameservers) {
28 String[] call = new String[]{"dig", "+short", "TXT",
29 "cacert." + domain, NS};
30 System.out.println(Arrays.toString(call));
31 p = Runtime.getRuntime().exec(call);
32 br = new BufferedReader(new InputStreamReader(
35 boolean found = false;
36 while ((line = br.readLine()) != null) {
41 token = line.substring(1, line.length() - 1);
42 if (token.equals(expToken)) {
49 result.append(" DIFFER;");
51 result.append(" EMPTY;");
60 System.out.println(result.toString());
61 } catch (IOException e) {