Implement basic Ping mechanisms Startssl, http and dns-txt

[gigi.git] / src / org / cacert / gigi / ping / DNSPinger.java

diff --git a/src/org/cacert/gigi/ping/DNSPinger.java b/src/org/cacert/gigi/ping/DNSPinger.java
new file mode 100644 (file)
index 0000000..e4373c5
--- /dev/null
+++ b/src/org/cacert/gigi/ping/DNSPinger.java
@@ -0,0 +1,71 @@
+package org.cacert.gigi.ping;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.LinkedList;
+
+public class DNSPinger extends DomainPinger {
+
+       @Override
+       public void ping(String domain, String configuration, String expToken) {
+               try {
+                       Process p = Runtime.getRuntime().exec(
+                                       new String[]{"dig", "+short", "NS", domain});
+                       BufferedReader br = new BufferedReader(new InputStreamReader(
+                                       p.getInputStream()));
+                       String line;
+                       LinkedList<String> nameservers = new LinkedList<String>();
+                       while ((line = br.readLine()) != null) {
+                               nameservers.add(line);
+                       }
+                       p.destroy();
+                       StringBuffer result = new StringBuffer();
+                       result.append("failed: ");
+                       boolean failed = nameservers.isEmpty();
+                       nameservers : for (String NS : nameservers) {
+                               String[] call = new String[]{"dig", "+short", "TXT",
+                                               "cacert." + domain, NS};
+                               System.out.println(Arrays.toString(call));
+                               p = Runtime.getRuntime().exec(call);
+                               br = new BufferedReader(new InputStreamReader(
+                                               p.getInputStream()));
+                               String token = null;
+                               boolean found = false;
+                               while ((line = br.readLine()) != null) {
+                                       if (line.isEmpty()) {
+                                               continue;
+                                       }
+                                       found = true;
+                                       token = line.substring(1, line.length() - 1);
+                                       if (token.equals(expToken)) {
+                                               continue nameservers;
+                                       }
+                               }
+                               p.destroy();
+                               result.append(NS);
+                               if (found) {
+                                       result.append(" DIFFER;");
+                               } else {
+                                       result.append(" EMPTY;");
+                               }
+                               failed = true;
+
+                       }
+                       if (!failed) {
+                               // Success
+                               return;
+                       }
+                       System.out.println(result.toString());
+               } catch (IOException e) {
+                       e.printStackTrace();
+                       // FAIL
+               }
+               // FAIL
+       }
+       public static void main(String[] args) {
+               new DNSPinger().ping("dyn.dogcraft.de", "", "salat");
+       }
+
+}