510Connectbot: src/ch/ethz/ssh2/KnownHosts.java annotate

annotate src/ch/ethz/ssh2/KnownHosts.java @ 320:5afb8c1a54b9 ganymed

add ecdsa key support everywhere

author	Carl Byington <carl@five-ten-sg.com>
date	Thu, 31 Jul 2014 08:36:33 -0700
parents	071eccdff8ea
children	b40bc65fa09a

rev	line source
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	1 /*
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	3 * Please refer to the LICENSE.txt for licensing details.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	4 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	5
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	6 package ch.ethz.ssh2;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	7
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	8 import java.io.BufferedReader;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	9 import java.io.CharArrayReader;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	10 import java.io.CharArrayWriter;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	11 import java.io.File;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	12 import java.io.FileReader;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	13 import java.io.IOException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	14 import java.io.RandomAccessFile;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	15 import java.net.InetAddress;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	16 import java.net.UnknownHostException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	17 import java.security.DigestException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	18 import java.security.SecureRandom;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	19 import java.util.ArrayList;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	20 import java.util.LinkedList;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	21 import java.util.List;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	22
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	23 import ch.ethz.ssh2.crypto.Base64;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	24 import ch.ethz.ssh2.crypto.digest.Digest;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	25 import ch.ethz.ssh2.crypto.digest.HMAC;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	26 import ch.ethz.ssh2.crypto.digest.MD5;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	27 import ch.ethz.ssh2.crypto.digest.SHA1;
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	28 import java.security.KeyPair;
4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	29 import java.security.PrivateKey;
285 486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	30 import java.security.PublicKey;
278 d7e088fa2123 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 273 diff changeset	31 import java.security.interfaces.DSAPublicKey;
285 486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	32 import java.security.interfaces.ECPublicKey;
486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	33 import java.security.interfaces.RSAPublicKey;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	34 import ch.ethz.ssh2.signature.DSASHA1Verify;
285 486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	35 import ch.ethz.ssh2.signature.ECDSASHA2Verify;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	36 import ch.ethz.ssh2.signature.RSASHA1Verify;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	37 import ch.ethz.ssh2.util.StringEncoder;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	38
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	39 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	40 * The <code>KnownHosts</code> class is a handy tool to verify received server hostkeys
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	41 * based on the information in <code>known_hosts</code> files (the ones used by OpenSSH).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	42 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	43 * It offers basically an in-memory database for known_hosts entries, as well as some
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	44 * helper functions. Entries from a <code>known_hosts</code> file can be loaded at construction time.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	45 * It is also possible to add more keys later (e.g., one can parse different
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	46 * <code>known_hosts<code> files).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	47 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	48 * It is a thread safe implementation, therefore, you need only to instantiate one
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	49 * <code>KnownHosts</code> for your whole application.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	50 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	51 * @author Christian Plattner
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	52 * @version $Id: KnownHosts.java 152 2014-04-28 11:02:23Z dkocher@sudo.ch $
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	53 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	54
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	55 public class KnownHosts {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	56 public static final int HOSTKEY_IS_OK = 0;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	57 public static final int HOSTKEY_IS_NEW = 1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	58 public static final int HOSTKEY_HAS_CHANGED = 2;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	59
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	60 private class KnownHostsEntry {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	61 String[] patterns;
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	62 PublicKey key;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	63
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	64 KnownHostsEntry(String[] patterns, PublicKey key) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	65 this.patterns = patterns;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	66 this.key = key;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	67 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	68 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	69
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	70 private final LinkedList<KnownHostsEntry> publicKeys = new LinkedList<KnownHosts.KnownHostsEntry>();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	71
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	72 public KnownHosts() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	73 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	74
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	75 public KnownHosts(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	76 initialize(knownHostsData);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	77 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	78
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	79 public KnownHosts(String knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	80 initialize(new File(knownHosts));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	81 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	82
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	83 public KnownHosts(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	84 initialize(knownHosts);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	85 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	86
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	87 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	88 * Adds a single public key entry to the database. Note: this will NOT add the public key
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	89 * to any physical file (e.g., "~/.ssh/known_hosts") - use <code>addHostkeyToFile()</code> for that purpose.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	90 * This method is designed to be used in a {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	91 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	92 * @param hostnames a list of hostname patterns - at least one most be specified. Check out the
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	93 * OpenSSH sshd man page for a description of the pattern matching algorithm.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	94 * @param serverHostKeyAlgorithm as passed to the {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	95 * @param serverHostKey as passed to the {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	96 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	97 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	98 public void addHostkey(String hostnames[], String serverHostKeyAlgorithm, byte[] serverHostKey) throws IOException {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	99 if (hostnames == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	100 throw new IllegalArgumentException("hostnames may not be null");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	101 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	102
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	103 if ("ssh-rsa".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	104 RSAPublicKey rpk = RSASHA1Verify.decodeSSHRSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	105
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	106 synchronized (publicKeys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	107 publicKeys.add(new KnownHostsEntry(hostnames, rpk));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	108 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	109 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	110 else if ("ssh-dss".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	111 DSAPublicKey dpk = DSASHA1Verify.decodeSSHDSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	112
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	113 synchronized (publicKeys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	114 publicKeys.add(new KnownHostsEntry(hostnames, dpk));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	115 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	116 }
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	117 else if (serverHostKeyAlgorithm.startsWith("ecdsa-sha2-")) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	118 ECPublicKey epk = ECDSASHA2Verify.decodeSSHECDSAPublicKey(serverHostKey);
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	119
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	120 synchronized (publicKeys) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	121 publicKeys.add(new KnownHostsEntry(hostnames, epk));
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	122 }
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	123 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	124 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	125 throw new IOException(String.format("Unknown host key type %s", serverHostKeyAlgorithm));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	126 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	127 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	128
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	129 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	130 * Parses the given known_hosts data and adds entries to the database.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	131 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	132 * @param knownHostsData
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	133 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	134 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	135 public void addHostkeys(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	136 initialize(knownHostsData);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	137 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	138
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	139 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	140 * Parses the given known_hosts file and adds entries to the database.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	141 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	142 * @param knownHosts
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	143 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	144 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	145 public void addHostkeys(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	146 initialize(knownHosts);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	147 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	148
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	149 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	150 * Generate the hashed representation of the given hostname. Useful for adding entries
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	151 * with hashed hostnames to a known_hosts file. (see -H option of OpenSSH key-gen).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	152 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	153 * @param hostname
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	154 * @return the hashed representation, e.g., "\|1\|cDhrv7zwEUV3k71CEPHnhHZezhA=\|Xo+2y6rUXo2OIWRAYhBOIijbJMA="
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	155 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	156 public static String createHashedHostname(String hostname) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	157 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	158 byte[] salt = new byte[sha1.getDigestLength()];
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	159 new SecureRandom().nextBytes(salt);
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	160 byte[] hash;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	161
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	162 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	163 hash = hmacSha1Hash(salt, hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	164 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	165 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	166 throw new IOException(e);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	167 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	168
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	169 String base64_salt = new String(Base64.encode(salt));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	170 String base64_hash = new String(Base64.encode(hash));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	171 return String.format("\|1\|%s\|%s", base64_salt, base64_hash);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	172 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	173
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	174 private static byte[] hmacSha1Hash(byte[] salt, String hostname) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	175 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	176
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	177 if (salt.length != sha1.getDigestLength()) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	178 throw new IllegalArgumentException("Salt has wrong length (" + salt.length + ")");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	179 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	180
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	181 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	182 HMAC hmac = new HMAC(sha1, salt, salt.length);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	183 hmac.update(StringEncoder.GetBytes(hostname));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	184 byte[] dig = new byte[hmac.getDigestLength()];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	185 hmac.digest(dig);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	186 return dig;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	187 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	188 catch (DigestException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	189 throw new IOException(e);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	190 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	191 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	192
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	193 private boolean checkHashed(String entry, String hostname) {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	194 if (entry.startsWith("\|1\|") == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	195 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	196 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	197
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	198 int delim_idx = entry.indexOf('\|', 3);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	199
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	200 if (delim_idx == -1) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	201 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	202 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	203
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	204 String salt_base64 = entry.substring(3, delim_idx);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	205 String hash_base64 = entry.substring(delim_idx + 1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	206 byte[] salt;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	207 byte[] hash;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	208
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	209 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	210 salt = Base64.decode(salt_base64.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	211 hash = Base64.decode(hash_base64.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	212 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	213 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	214 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	215 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	216
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	217 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	218
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	219 if (salt.length != sha1.getDigestLength()) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	220 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	221 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	222
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	223 byte[] dig = new byte[0];
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	224
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	225 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	226 dig = hmacSha1Hash(salt, hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	227 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	228 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	229 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	230 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	231
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	232 for (int i = 0; i < dig.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	233 if (dig[i] != hash[i]) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	234 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	235 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	236 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	237
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	238 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	239 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	240
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	241 private int checkKey(String remoteHostname, PublicKey remoteKey) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	242 int result = HOSTKEY_IS_NEW;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	243
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	244 synchronized (publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	245 for (KnownHostsEntry ke : publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	246 if (hostnameMatches(ke.patterns, remoteHostname) == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	247 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	248 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	249
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	250 boolean res = matchKeys(ke.key, remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	251
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	252 if (res == true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	253 return HOSTKEY_IS_OK;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	254 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	255
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	256 result = HOSTKEY_HAS_CHANGED;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	257 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	258 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	259
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	260 return result;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	261 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	262
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	263 private List<Object> getAllKeys(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	264 List<Object> keys = new ArrayList<Object>();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	265
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	266 synchronized (publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	267 for (KnownHostsEntry ke : publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	268 if (hostnameMatches(ke.patterns, hostname) == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	269 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	270 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	271
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	272 keys.add(ke.key);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	273 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	274 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	275
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	276 return keys;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	277 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	278
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	279 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	280 * Try to find the preferred order of hostkey algorithms for the given hostname.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	281 * Based on the type of hostkey that is present in the internal database
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	282 * (i.e., either <code>ssh-rsa</code> or <code>ssh-dss</code>)
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	283 * an ordered list of hostkey algorithms is returned which can be passed
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	284 * to <code>Connection.setServerHostKeyAlgorithms</code>.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	285 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	286 * @param hostname
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	287 * @return <code>null</code> if no key for the given hostname is present or
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	288 * there are keys of multiple types present for the given hostname. Otherwise,
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	289 * an array with hostkey algorithms is returned (i.e., an array of length 2).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	290 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	291 public String[] getPreferredServerHostkeyAlgorithmOrder(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	292 String[] algos = recommendHostkeyAlgorithms(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	293
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	294 if (algos != null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	295 return algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	296 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	297
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	298 InetAddress[] ipAdresses;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	299
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	300 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	301 ipAdresses = InetAddress.getAllByName(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	302 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	303 catch (UnknownHostException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	304 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	305 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	306
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	307 for (int i = 0; i < ipAdresses.length; i++) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	308 algos = recommendHostkeyAlgorithms(ipAdresses[i].getHostAddress());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	309
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	310 if (algos != null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	311 return algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	312 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	313 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	314
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	315 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	316 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	317
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	318 private boolean hostnameMatches(String[] hostpatterns, String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	319 boolean isMatch = false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	320 boolean negate;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	321 hostname = hostname.toLowerCase();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	322
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	323 for (int k = 0; k < hostpatterns.length; k++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	324 if (hostpatterns[k] == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	325 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	326 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	327
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	328 String pattern;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	329
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	330 /* In contrast to OpenSSH we also allow negated hash entries (as well as hashed
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	331 * entries in lines with multiple entries).
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	332 */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	333
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	334 if ((hostpatterns[k].length() > 0) && (hostpatterns[k].charAt(0) == '!')) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	335 pattern = hostpatterns[k].substring(1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	336 negate = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	337 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	338 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	339 pattern = hostpatterns[k];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	340 negate = false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	341 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	342
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	343 /* Optimize, no need to check this entry */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	344
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	345 if ((isMatch) && (negate == false)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	346 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	347 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	348
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	349 /* Now compare */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	350
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	351 if (pattern.charAt(0) == '\|') {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	352 if (checkHashed(pattern, hostname)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	353 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	354 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	355 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	356
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	357 isMatch = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	358 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	359 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	360 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	361 pattern = pattern.toLowerCase();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	362
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	363 if ((pattern.indexOf('?') != -1) \|\| (pattern.indexOf('*') != -1)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	364 if (pseudoRegex(pattern.toCharArray(), 0, hostname.toCharArray(), 0)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	365 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	366 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	367 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	368
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	369 isMatch = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	370 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	371 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	372 else if (pattern.compareTo(hostname) == 0) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	373 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	374 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	375 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	376
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	377 isMatch = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	378 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	379 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	380 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	381
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	382 return isMatch;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	383 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	384
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	385 private void initialize(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	386 BufferedReader br = new BufferedReader(new CharArrayReader(knownHostsData));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	387
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	388 while (true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	389 String line = br.readLine();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	390
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	391 if (line == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	392 break;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	393 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	394
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	395 line = line.trim();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	396
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	397 if (line.startsWith("#")) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	398 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	399 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	400
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	401 String[] arr = line.split(" ");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	402
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	403 if (arr.length >= 3) {
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	404 if ((arr[1].compareTo("ssh-rsa") == 0) \|\|
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	405 (arr[1].compareTo("ssh-dss") == 0) \|\|
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	406 (arr[1].startsWith("ecdsa-sha2-"))) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	407 String[] hostnames = arr[0].split(",");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	408 byte[] msg = Base64.decode(arr[2].toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	409
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	410 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	411 addHostkey(hostnames, arr[1], msg);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	412 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	413 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	414 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	415 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	416 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	417 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	418 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	419 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	420
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	421 private void initialize(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	422 char[] buff = new char[512];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	423 CharArrayWriter cw = new CharArrayWriter();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	424 knownHosts.createNewFile();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	425 FileReader fr = new FileReader(knownHosts);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	426
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	427 while (true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	428 int len = fr.read(buff);
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	429
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	430 if (len < 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	431 break;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	432 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	433
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	434 cw.write(buff, 0, len);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	435 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	436
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	437 fr.close();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	438 initialize(cw.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	439 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	440
284 4ec87de11e71 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 278 diff changeset	441 private final boolean matchKeys(PublicKey key1, PublicKey key2) {
4ec87de11e71 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 278 diff changeset	442 return key1.equals(key2);
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	443 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	444
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	445 private boolean pseudoRegex(char[] pattern, int i, char[] match, int j) {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	446 /* This matching logic is equivalent to the one present in OpenSSH 4.1 */
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	447 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	448 /* Are we at the end of the pattern? */
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	449 if (pattern.length == i) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	450 return (match.length == j);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	451 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	452
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	453 if (pattern[i] == '*') {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	454 i++;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	455
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	456 if (pattern.length == i) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	457 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	458 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	459
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	460 if ((pattern[i] != '*') && (pattern[i] != '?')) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	461 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	462 if ((pattern[i] == match[j]) && pseudoRegex(pattern, i + 1, match, j + 1)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	463 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	464 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	465
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	466 j++;
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	467
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	468 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	469 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	470 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	471 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	472 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	473
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	474 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	475 if (pseudoRegex(pattern, i, match, j)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	476 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	477 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	478
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	479 j++;
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	480
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	481 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	482 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	483 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	484 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	485 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	486
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	487 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	488 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	489 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	490
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	491 if ((pattern[i] != '?') && (pattern[i] != match[j])) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	492 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	493 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	494
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	495 i++;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	496 j++;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	497 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	498 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	499
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	500 private String[] recommendHostkeyAlgorithms(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	501 String preferredAlgo = null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	502 List<Object> keys = getAllKeys(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	503
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	504 for (Object key : keys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	505 String thisAlgo;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	506
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	507 if (key instanceof RSAPublicKey) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	508 thisAlgo = "ssh-rsa";
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	509 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	510 else if (key instanceof DSAPublicKey) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	511 thisAlgo = "ssh-dss";
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	512 }
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	513 else if (key instanceof ECPublicKey) {
302 beaccc9df37b add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 299 diff changeset	514 ECPublicKey ecPub = (ECPublicKey) key;
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	515 String keyType = ECDSASHA2Verify.getCurveName(ecPub.getParams().getCurve().getField().getFieldSize());
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	516 thisAlgo = ECDSASHA2Verify.ECDSA_SHA2_PREFIX + keyType;
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	517 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	518 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	519 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	520 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	521
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	522 if (preferredAlgo != null) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	523 /* If we find different key types, then return null */
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	524 if (preferredAlgo.compareTo(thisAlgo) != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	525 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	526 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	527 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	528 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	529 preferredAlgo = thisAlgo;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	530 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	531 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	532
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	533 /* If we did not find anything that we know of, return null */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	534
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	535 if (preferredAlgo == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	536 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	537 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	538
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	539 /* Now put the preferred algo to the start of the array.
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	540 * You may ask yourself why we do it that way - basically, we could just
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	541 * return only the preferred algorithm: since we have a saved key of that
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	542 * type (sent earlier from the remote host), then that should work out.
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	543 * However, imagine that the server is (for whatever reasons) not offering
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	544 * that type of hostkey anymore (e.g., "ssh-rsa" was disabled and
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	545 * now "ssh-dss" is being used). If we then do not let the server send us
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	546 * a fresh key of the new type, then we shoot ourself into the foot:
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	547 * the connection cannot be established and hence the user cannot decide
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	548 * if he/she wants to accept the new key.
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	549 */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	550
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	551 if (preferredAlgo.equals("ssh-rsa")) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	552 return new String[] {"ssh-rsa", "ssh-dss", "ecdsa-sha2-nistp256"};
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	553 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	554
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	555 return new String[] {"ssh-dss", "ssh-rsa", "ecdsa-sha2-nistp256"};
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	556 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	557
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	558 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	559 * Checks the internal hostkey database for the given hostkey.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	560 * If no matching key can be found, then the hostname is resolved to an IP address
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	561 * and the search is repeated using that IP address.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	562 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	563 * @param hostname the server's hostname, will be matched with all hostname patterns
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	564 * @param serverHostKeyAlgorithm type of hostkey, either <code>ssh-rsa</code> or <code>ssh-dss</code>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	565 * @param serverHostKey the key blob
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	566 * @return <ul>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	567 * <li><code>HOSTKEY_IS_OK</code>: the given hostkey matches an entry for the given hostname</li>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	568 * <li><code>HOSTKEY_IS_NEW</code>: no entries found for this hostname and this type of hostkey</li>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	569 * <li><code>HOSTKEY_HAS_CHANGED</code>: hostname is known, but with another key of the same type
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	570 * (man-in-the-middle attack?)</li>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	571 * </ul>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	572 * @throws IOException if the supplied key blob cannot be parsed or does not match the given hostkey type.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	573 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	574 public int verifyHostkey(String hostname, String serverHostKeyAlgorithm, byte[] serverHostKey) throws IOException {
287 db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	575 PublicKey remoteKey;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	576
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	577 if ("ssh-rsa".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	578 remoteKey = RSASHA1Verify.decodeSSHRSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	579 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	580 else if ("ssh-dss".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	581 remoteKey = DSASHA1Verify.decodeSSHDSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	582 }
287 db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	583 else if (serverHostKeyAlgorithm.startsWith("ecdsa-sha2-")) {
db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	584 remoteKey = ECDSASHA2Verify.decodeSSHECDSAPublicKey(serverHostKey);
db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	585 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	586 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	587 throw new IllegalArgumentException("Unknown hostkey type " + serverHostKeyAlgorithm);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	588 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	589
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	590 int result = checkKey(hostname, remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	591
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	592 if (result == HOSTKEY_IS_OK) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	593 return result;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	594 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	595
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	596 InetAddress[] ipAdresses;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	597
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	598 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	599 ipAdresses = InetAddress.getAllByName(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	600 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	601 catch (UnknownHostException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	602 return result;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	603 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	604
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	605 for (int i = 0; i < ipAdresses.length; i++) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	606 int newresult = checkKey(ipAdresses[i].getHostAddress(), remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	607
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	608 if (newresult == HOSTKEY_IS_OK) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	609 return newresult;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	610 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	611
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	612 if (newresult == HOSTKEY_HAS_CHANGED) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	613 result = HOSTKEY_HAS_CHANGED;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	614 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	615 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	616
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	617 return result;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	618 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	619
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	620 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	621 * Adds a single public key entry to the a known_hosts file.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	622 * This method is designed to be used in a {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	623 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	624 * @param knownHosts the file where the publickey entry will be appended.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	625 * @param hostnames a list of hostname patterns - at least one most be specified. Check out the
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	626 * OpenSSH sshd man page for a description of the pattern matching algorithm.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	627 * @param serverHostKeyAlgorithm as passed to the {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	628 * @param serverHostKey as passed to the {@link ServerHostKeyVerifier}.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	629 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	630 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	631 public static void addHostkeyToFile(File knownHosts, String[] hostnames, String serverHostKeyAlgorithm,
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	632 byte[] serverHostKey) throws IOException {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	633 if ((hostnames == null) \|\| (hostnames.length == 0)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	634 throw new IllegalArgumentException("Need at least one hostname specification");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	635 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	636
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	637 if ((serverHostKeyAlgorithm == null) \|\| (serverHostKey == null)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	638 throw new IllegalArgumentException();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	639 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	640
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	641 CharArrayWriter writer = new CharArrayWriter();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	642
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	643 for (int i = 0; i < hostnames.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	644 if (i != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	645 writer.write(',');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	646 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	647
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	648 writer.write(hostnames[i]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	649 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	650
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	651 writer.write(' ');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	652 writer.write(serverHostKeyAlgorithm);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	653 writer.write(' ');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	654 writer.write(Base64.encode(serverHostKey));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	655 writer.write("\n");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	656 char[] entry = writer.toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	657 RandomAccessFile raf = new RandomAccessFile(knownHosts, "rw");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	658 long len = raf.length();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	659
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	660 if (len > 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	661 raf.seek(len - 1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	662 int last = raf.read();
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	663
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	664 if (last != '\n') {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	665 raf.write('\n');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	666 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	667 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	668
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	669 raf.write(StringEncoder.GetBytes(new String(entry)));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	670 raf.close();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	671 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	672
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	673 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	674 * Generates a "raw" fingerprint of a hostkey.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	675 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	676 * @param type either "md5" or "sha1"
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	677 * @param keyType either "ssh-rsa" or "ssh-dss" or "ecdsa-sha2..."
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	678 * @param hostkey the hostkey
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	679 * @return the raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	680 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	681 static private byte[] rawFingerPrint(String type, String keyType, byte[] hostkey) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	682 Digest dig;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	683
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	684 if ("md5".equals(type)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	685 dig = new MD5();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	686 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	687 else if ("sha1".equals(type)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	688 dig = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	689 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	690 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	691 throw new IllegalArgumentException("Unknown hash type " + type);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	692 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	693
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	694 if ("ssh-rsa".equals(keyType)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	695 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	696 else if ("ssh-dss".equals(keyType)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	697 }
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	698 else if (keyType.startsWith("ecdsa-sha2-")) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	699 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	700 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	701 throw new IllegalArgumentException("Unknown key type " + keyType);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	702 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	703
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	704 if (hostkey == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	705 throw new IllegalArgumentException("hostkey is null");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	706 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	707
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	708 dig.update(hostkey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	709 byte[] res = new byte[dig.getDigestLength()];
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	710
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	711 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	712 dig.digest(res);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	713 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	714 catch (DigestException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	715 throw new IOException(e);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	716 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	717
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	718 return res;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	719 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	720
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	721 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	722 * Convert a raw fingerprint to hex representation (XX:YY:ZZ...).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	723 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	724 * @param fingerprint raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	725 * @return the hex representation
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	726 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	727 static private String rawToHexFingerprint(byte[] fingerprint) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	728 final char[] alpha = "0123456789abcdef".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	729 StringBuilder sb = new StringBuilder();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	730
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	731 for (int i = 0; i < fingerprint.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	732 if (i != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	733 sb.append(':');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	734 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	735
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	736 int b = fingerprint[i] & 0xff;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	737 sb.append(alpha[b >> 4]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	738 sb.append(alpha[b & 15]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	739 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	740
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	741 return sb.toString();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	742 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	743
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	744 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	745 * Convert a raw fingerprint to bubblebabble representation.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	746 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	747 * @param raw raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	748 * @return the bubblebabble representation
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	749 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	750 static private String rawToBubblebabbleFingerprint(byte[] raw) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	751 final char[] v = "aeiouy".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	752 final char[] c = "bcdfghklmnprstvzx".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	753 StringBuilder sb = new StringBuilder();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	754 int seed = 1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	755 int rounds = (raw.length / 2) + 1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	756 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	757
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	758 for (int i = 0; i < rounds; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	759 if (((i + 1) < rounds) \|\| ((raw.length) % 2 != 0)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	760 sb.append(v[(((raw[2 * i] >> 6) & 3) + seed) % 6]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	761 sb.append(c[(raw[2 * i] >> 2) & 15]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	762 sb.append(v[((raw[2 * i] & 3) + (seed / 6)) % 6]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	763
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	764 if ((i + 1) < rounds) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	765 sb.append(c[(((raw[(2 * i) + 1])) >> 4) & 15]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	766 sb.append('-');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	767 sb.append(c[(((raw[(2 * i) + 1]))) & 15]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	768 // As long as seed >= 0, seed will be >= 0 afterwards
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	769 seed = ((seed * 5) + (((raw[2 * i] & 0xff) * 7) + (raw[(2 * i) + 1] & 0xff))) % 36;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	770 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	771 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	772 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	773 sb.append(v[seed % 6]); // seed >= 0, therefore index positive
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	774 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	775 sb.append(v[seed / 6]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	776 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	777 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	778
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	779 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	780 return sb.toString();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	781 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	782
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	783 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	784 * Convert a ssh2 key-blob into a human readable hex fingerprint.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	785 * Generated fingerprints are identical to those generated by OpenSSH.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	786 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	787 * Example fingerprint: d0:cb:76:19:99:5a:03:fc:73:10:70:93:f2:44:63:47.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	788 *
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	789 * @param keytype either "ssh-rsa" or "ssh-dss" or "ecdsa-sha2..."
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	790 * @param publickey key blob
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	791 * @return Hex fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	792 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	793 public static String createHexFingerprint(String keytype, byte[] publickey) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	794 byte[] raw = rawFingerPrint("md5", keytype, publickey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	795 return rawToHexFingerprint(raw);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	796 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	797
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	798 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	799 * Convert a ssh2 key-blob into a human readable bubblebabble fingerprint.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	800 * The used bubblebabble algorithm (taken from OpenSSH) generates fingerprints
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	801 * that are easier to remember for humans.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	802 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	803 * Example fingerprint: xofoc-bubuz-cazin-zufyl-pivuk-biduk-tacib-pybur-gonar-hotat-lyxux.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	804 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	805 * @param keytype either "ssh-rsa" or "ssh-dss"
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	806 * @param publickey key data
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	807 * @return Bubblebabble fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	808 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	809 public static String createBubblebabbleFingerprint(String keytype, byte[] publickey) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	810 byte[] raw = rawFingerPrint("sha1", keytype, publickey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	811 return rawToBubblebabbleFingerprint(raw);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	812 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	813 }

Mercurial > 510Connectbot

annotate src/ch/ethz/ssh2/KnownHosts.java @ 320:5afb8c1a54b9 ganymed