Example #1
0
 /** {@inheritDoc} */
 public boolean verifyServerHostKey(
     String hostname, int port, String serverHostKeyAlgorithm, byte[] serverHostKey)
     throws Exception {
   try {
     final int result = database.verifyHostkey(hostname, serverHostKeyAlgorithm, serverHostKey);
     final boolean isNew;
     switch (result) {
       case KnownHosts.HOSTKEY_IS_OK:
         return true;
       case KnownHosts.HOSTKEY_IS_NEW:
         isNew = true;
         break;
       case KnownHosts.HOSTKEY_HAS_CHANGED:
         isNew = false;
         break;
       default:
         throw new IllegalStateException("Unknown verification result: " + result);
     }
     String fingerprint = KnownHosts.createHexFingerprint(serverHostKeyAlgorithm, serverHostKey);
     boolean keyCheck =
         myXmlRpcClient.verifyServerHostKey(
             myHandlerNo, hostname, port, serverHostKeyAlgorithm, fingerprint, isNew);
     if (keyCheck) {
       String hashedHostname = KnownHosts.createHashedHostname(hostname);
       // Add the host key to the in-memory database
       database.addHostkey(new String[] {hashedHostname}, serverHostKeyAlgorithm, serverHostKey);
       // Also try to add the key to a known_host file
       try {
         KnownHosts.addHostkeyToFile(
             new File(knownHostPath),
             new String[] {hashedHostname},
             serverHostKeyAlgorithm,
             serverHostKey);
       } catch (IOException ignore) {
         // TODO log text
       }
       return true;
     } else {
       System.err.println(
           GitBundle.message("sshmain.invald.host.key", serverHostKeyAlgorithm, fingerprint));
       return false;
     }
   } catch (Throwable t) {
     System.err.println(GitBundle.message("sshmain.failed.to.verify.key", t.getMessage()));
     t.printStackTrace();
     return false;
   }
 }
Example #2
0
 /**
  * Configure known host database for connection
  *
  * @param c a connection
  * @throws IOException if there is a IO problem
  */
 private void configureKnownHosts(Connection c) throws IOException {
   File knownHostFile = new File(knownHostPath);
   if (knownHostFile.exists()) {
     database.addHostkeys(knownHostFile);
   }
   final List<String> algorithms = myHost.getHostKeyAlgorithms();
   c.setServerHostKeyAlgorithms(algorithms.toArray(new String[algorithms.size()]));
 }