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

annotate app/src/main/java/ch/ethz/ssh2/KnownHosts.java @ 499:267e72057707

updates for android10+

author	Carl Byington <carl@five-ten-sg.com>
date	Tue, 07 Jun 2022 16:04:52 -0700
parents	d29cce60f393
children	7953570e5210

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.util.ArrayList;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	19 import java.util.LinkedList;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	20 import java.util.List;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	21
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	22 import ch.ethz.ssh2.crypto.Base64;
344 b40bc65fa09a compensate for SecureRandom bug on older devices Carl Byington <carl@five-ten-sg.com> parents: 307 diff changeset	23 import ch.ethz.ssh2.crypto.SecureRandomFix;
273 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;
344 b40bc65fa09a compensate for SecureRandom bug on older devices Carl Byington <carl@five-ten-sg.com> parents: 307 diff changeset	28
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	29 import java.security.KeyPair;
4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	30 import java.security.PrivateKey;
285 486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	31 import java.security.PublicKey;
278 d7e088fa2123 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 273 diff changeset	32 import java.security.interfaces.DSAPublicKey;
285 486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	33 import java.security.interfaces.ECPublicKey;
486df527ddc5 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 284 diff changeset	34 import java.security.interfaces.RSAPublicKey;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	35 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	36 import ch.ethz.ssh2.signature.ECDSASHA2Verify;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	37 import ch.ethz.ssh2.signature.RSASHA1Verify;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	38 import ch.ethz.ssh2.util.StringEncoder;
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	41 * 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	42 * 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	43 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	44 * 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	45 * 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	46 * 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	47 * <code>known_hosts<code> files).
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	48 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	49 * 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	50 * <code>KnownHosts</code> for your whole application.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	51 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	52 * @author Christian Plattner
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	53 * @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	54 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	55
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	56 public class KnownHosts {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	57 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	58 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	59 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	60
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	61 private class KnownHostsEntry {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	62 String[] patterns;
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	63 PublicKey key;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	64
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	65 KnownHostsEntry(String[] patterns, PublicKey key) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	66 this.patterns = patterns;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	67 this.key = key;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	71 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	72
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	73 public KnownHosts() {
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	76 public KnownHosts(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	77 initialize(knownHostsData);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	80 public KnownHosts(String knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	81 initialize(new File(knownHosts));
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	84 public KnownHosts(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	85 initialize(knownHosts);
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	89 * 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	90 * 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	91 * 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	92 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	93 * @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	94 * 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	95 * @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	96 * @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	97 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	98 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	99 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	100 if (hostnames == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	101 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	102 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	103
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	104 if ("ssh-rsa".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	105 RSAPublicKey rpk = RSASHA1Verify.decodeSSHRSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	106
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	107 synchronized (publicKeys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	108 publicKeys.add(new KnownHostsEntry(hostnames, rpk));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	109 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	110 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	111 else if ("ssh-dss".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	112 DSAPublicKey dpk = DSASHA1Verify.decodeSSHDSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	113
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	114 synchronized (publicKeys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	115 publicKeys.add(new KnownHostsEntry(hostnames, dpk));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	116 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	117 }
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	118 else if (serverHostKeyAlgorithm.startsWith("ecdsa-sha2-")) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	119 ECPublicKey epk = ECDSASHA2Verify.decodeSSHECDSAPublicKey(serverHostKey);
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	120
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	121 synchronized (publicKeys) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	122 publicKeys.add(new KnownHostsEntry(hostnames, epk));
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	123 }
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	124 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	125 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	126 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	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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	131 * 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	132 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	133 * @param knownHostsData
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	134 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	135 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	136 public void addHostkeys(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	137 initialize(knownHostsData);
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	141 * 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	142 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	143 * @param knownHosts
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	144 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	145 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	146 public void addHostkeys(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	147 initialize(knownHosts);
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	151 * 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	152 * 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	153 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	154 * @param hostname
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	155 * @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	156 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	157 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	158 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	159 byte[] salt = new byte[sha1.getDigestLength()];
344 b40bc65fa09a compensate for SecureRandom bug on older devices Carl Byington <carl@five-ten-sg.com> parents: 307 diff changeset	160 new SecureRandomFix().nextBytes(salt);
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	161 byte[] hash;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	162
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	163 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	164 hash = hmacSha1Hash(salt, hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	165 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	166 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	167 throw new IOException(e);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	170 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	171 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	172 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	173 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	174
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	175 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	176 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	177
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	178 if (salt.length != sha1.getDigestLength()) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	179 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	180 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	181
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	182 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	183 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	184 hmac.update(StringEncoder.GetBytes(hostname));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	185 byte[] dig = new byte[hmac.getDigestLength()];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	186 hmac.digest(dig);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	187 return dig;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	188 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	189 catch (DigestException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	190 throw new IOException(e);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	194 private boolean checkHashed(String entry, String hostname) {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	195 if (entry.startsWith("\|1\|") == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	196 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	199 int delim_idx = entry.indexOf('\|', 3);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	200
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	201 if (delim_idx == -1) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	202 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	205 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	206 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	207 byte[] salt;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	208 byte[] hash;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	209
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	210 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	211 salt = Base64.decode(salt_base64.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	212 hash = Base64.decode(hash_base64.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	213 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	214 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	215 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	218 SHA1 sha1 = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	219
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	220 if (salt.length != sha1.getDigestLength()) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	221 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	224 byte[] dig = new byte[0];
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	225
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	226 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	227 dig = hmacSha1Hash(salt, hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	228 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	229 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	230 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	231 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	232
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	233 for (int i = 0; i < dig.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	234 if (dig[i] != hash[i]) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	235 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	239 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	240 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	241
286 4656869af8fe start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 285 diff changeset	242 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	243 int result = HOSTKEY_IS_NEW;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	244
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	245 synchronized (publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	246 for (KnownHostsEntry ke : publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	247 if (hostnameMatches(ke.patterns, remoteHostname) == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	248 continue;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	251 boolean res = matchKeys(ke.key, remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	252
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	253 if (res == true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	254 return HOSTKEY_IS_OK;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	257 result = HOSTKEY_HAS_CHANGED;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	258 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	259 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	260
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	261 return result;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	264 private List<Object> getAllKeys(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	265 List<Object> keys = new ArrayList<Object>();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	266
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	267 synchronized (publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	268 for (KnownHostsEntry ke : publicKeys) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	269 if (hostnameMatches(ke.patterns, hostname) == false) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	270 continue;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	273 keys.add(ke.key);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	277 return keys;
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	281 * 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	282 * 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	283 * (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	284 * 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	285 * to <code>Connection.setServerHostKeyAlgorithms</code>.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	286 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	287 * @param hostname
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	288 * @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	289 * 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	290 * 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	291 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	292 public String[] getPreferredServerHostkeyAlgorithmOrder(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	293 String[] algos = recommendHostkeyAlgorithms(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	294
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	295 if (algos != null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	296 return algos;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	299 InetAddress[] ipAdresses;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	300
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	301 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	302 ipAdresses = InetAddress.getAllByName(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	303 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	304 catch (UnknownHostException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	305 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	306 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	307
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	308 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	309 algos = recommendHostkeyAlgorithms(ipAdresses[i].getHostAddress());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	310
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	311 if (algos != null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	312 return algos;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	316 return null;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	319 private boolean hostnameMatches(String[] hostpatterns, String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	320 boolean isMatch = false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	321 boolean negate;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	322 hostname = hostname.toLowerCase();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	323
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	324 for (int k = 0; k < hostpatterns.length; k++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	325 if (hostpatterns[k] == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	326 continue;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	329 String pattern;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	330
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	331 /* 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	332 * entries in lines with multiple entries).
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	333 */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	334
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	335 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	336 pattern = hostpatterns[k].substring(1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	337 negate = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	338 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	339 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	340 pattern = hostpatterns[k];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	341 negate = false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	342 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	343
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	344 /* 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	345
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	346 if ((isMatch) && (negate == false)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	347 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	348 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	349
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	350 /* Now compare */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	351
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	352 if (pattern.charAt(0) == '\|') {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	353 if (checkHashed(pattern, hostname)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	354 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	355 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	356 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	357
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	358 isMatch = true;
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 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	361 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	362 pattern = pattern.toLowerCase();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	363
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	364 if ((pattern.indexOf('?') != -1) \|\| (pattern.indexOf('*') != -1)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	365 if (pseudoRegex(pattern.toCharArray(), 0, hostname.toCharArray(), 0)) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	366 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	367 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	368 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	369
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	370 isMatch = true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	371 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	372 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	373 else if (pattern.compareTo(hostname) == 0) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	374 if (negate) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	375 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	376 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	377
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	378 isMatch = true;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	383 return isMatch;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	386 private void initialize(char[] knownHostsData) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	387 BufferedReader br = new BufferedReader(new CharArrayReader(knownHostsData));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	388
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	389 while (true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	390 String line = br.readLine();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	391
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	392 if (line == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	393 break;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	396 line = line.trim();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	397
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	398 if (line.startsWith("#")) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	399 continue;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	402 String[] arr = line.split(" ");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	403
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	404 if (arr.length >= 3) {
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	405 if ((arr[1].compareTo("ssh-rsa") == 0) \|\|
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	406 (arr[1].compareTo("ssh-dss") == 0) \|\|
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	407 (arr[1].startsWith("ecdsa-sha2-"))) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	408 String[] hostnames = arr[0].split(",");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	409 byte[] msg = Base64.decode(arr[2].toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	410
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	411 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	412 addHostkey(hostnames, arr[1], msg);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	413 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	414 catch (IOException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	415 continue;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	422 private void initialize(File knownHosts) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	423 char[] buff = new char[512];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	424 CharArrayWriter cw = new CharArrayWriter();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	425 knownHosts.createNewFile();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	426 FileReader fr = new FileReader(knownHosts);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	427
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	428 while (true) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	429 int len = fr.read(buff);
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	430
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	431 if (len < 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	432 break;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	433 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	434
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	435 cw.write(buff, 0, len);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	438 fr.close();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	439 initialize(cw.toCharArray());
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	440 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	441
284 4ec87de11e71 start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 278 diff changeset	442 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	443 return key1.equals(key2);
273 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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	446 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	447 /* 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	448 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	449 /* Are we at the end of the pattern? */
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	450 if (pattern.length == i) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	451 return (match.length == j);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	452 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	453
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	454 if (pattern[i] == '*') {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	455 i++;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	456
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	457 if (pattern.length == i) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	458 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	459 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	460
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	461 if ((pattern[i] != '*') && (pattern[i] != '?')) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	462 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	463 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	464 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	465 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	466
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	467 j++;
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	468
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	469 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	470 return false;
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 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	474
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	475 while (true) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	476 if (pseudoRegex(pattern, i, match, j)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	477 return true;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	478 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	479
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	480 j++;
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	481
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	482 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	483 return false;
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 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	487
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	488 if (match.length == j) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	489 return false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	490 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	491
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	492 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	493 return false;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	496 i++;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	497 j++;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	501 private String[] recommendHostkeyAlgorithms(String hostname) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	502 String preferredAlgo = null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	503 List<Object> keys = getAllKeys(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	504
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	505 for (Object key : keys) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	506 String thisAlgo;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	507
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	508 if (key instanceof RSAPublicKey) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	509 thisAlgo = "ssh-rsa";
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	510 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	511 else if (key instanceof DSAPublicKey) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	512 thisAlgo = "ssh-dss";
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	513 }
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	514 else if (key instanceof ECPublicKey) {
302 beaccc9df37b add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 299 diff changeset	515 ECPublicKey ecPub = (ECPublicKey) key;
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	516 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	517 thisAlgo = ECDSASHA2Verify.ECDSA_SHA2_PREFIX + keyType;
ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	518 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	519 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	520 continue;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	521 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	522
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	523 if (preferredAlgo != null) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	524 /* If we find different key types, then return null */
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	525 if (preferredAlgo.compareTo(thisAlgo) != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	526 return null;
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 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	529 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	530 preferredAlgo = thisAlgo;
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 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	533
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	534 /* 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	535
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	536 if (preferredAlgo == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	537 return null;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	538 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	539
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	540 /* 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	541 * 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	542 * 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	543 * 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	544 * 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	545 * 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	546 * 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	547 * 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	548 * 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	549 * if he/she wants to accept the new key.
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	550 */
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	551
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	552 if (preferredAlgo.equals("ssh-rsa")) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	553 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	554 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	555
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	556 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	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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	560 * 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	561 * 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	562 * 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	563 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	564 * @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	565 * @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	566 * @param serverHostKey the key blob
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	567 * @return <ul>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	568 * <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	569 * <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	570 * <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	571 * (man-in-the-middle attack?)</li>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	572 * </ul>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	573 * @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	574 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	575 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	576 PublicKey remoteKey;
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	577
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	578 if ("ssh-rsa".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	579 remoteKey = RSASHA1Verify.decodeSSHRSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	580 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	581 else if ("ssh-dss".equals(serverHostKeyAlgorithm)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	582 remoteKey = DSASHA1Verify.decodeSSHDSAPublicKey(serverHostKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	583 }
287 db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	584 else if (serverHostKeyAlgorithm.startsWith("ecdsa-sha2-")) {
db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	585 remoteKey = ECDSASHA2Verify.decodeSSHECDSAPublicKey(serverHostKey);
db9b028016de start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: 286 diff changeset	586 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	587 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	588 throw new IllegalArgumentException("Unknown hostkey type " + serverHostKeyAlgorithm);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	591 int result = checkKey(hostname, remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	592
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	593 if (result == HOSTKEY_IS_OK) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	594 return result;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	597 InetAddress[] ipAdresses;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	598
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	599 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	600 ipAdresses = InetAddress.getAllByName(hostname);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	601 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	602 catch (UnknownHostException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	603 return result;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	604 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	605
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	606 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	607 int newresult = checkKey(ipAdresses[i].getHostAddress(), remoteKey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	608
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	609 if (newresult == HOSTKEY_IS_OK) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	610 return newresult;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	611 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	612
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	613 if (newresult == HOSTKEY_HAS_CHANGED) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	614 result = HOSTKEY_HAS_CHANGED;
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	618 return result;
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	622 * 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	623 * 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	624 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	625 * @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	626 * @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	627 * 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	628 * @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	629 * @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	630 * @throws IOException
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	631 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	632 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	633 byte[] serverHostKey) throws IOException {
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	634 if ((hostnames == null) \|\| (hostnames.length == 0)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	635 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	636 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	637
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	638 if ((serverHostKeyAlgorithm == null) \|\| (serverHostKey == null)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	639 throw new IllegalArgumentException();
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	642 CharArrayWriter writer = new CharArrayWriter();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	643
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	644 for (int i = 0; i < hostnames.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	645 if (i != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	646 writer.write(',');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	647 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	648
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	649 writer.write(hostnames[i]);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	652 writer.write(' ');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	653 writer.write(serverHostKeyAlgorithm);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	654 writer.write(' ');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	655 writer.write(Base64.encode(serverHostKey));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	656 writer.write("\n");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	657 char[] entry = writer.toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	658 RandomAccessFile raf = new RandomAccessFile(knownHosts, "rw");
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	659 long len = raf.length();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	660
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	661 if (len > 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	662 raf.seek(len - 1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	663 int last = raf.read();
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	664
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	665 if (last != '\n') {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	666 raf.write('\n');
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	670 raf.write(StringEncoder.GetBytes(new String(entry)));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	671 raf.close();
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	675 * Generates a "raw" fingerprint of a hostkey.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	676 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	677 * @param type either "md5" or "sha1"
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	678 * @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	679 * @param hostkey the hostkey
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	680 * @return the raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	681 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	682 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	683 Digest dig;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	684
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	685 if ("md5".equals(type)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	686 dig = new MD5();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	687 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	688 else if ("sha1".equals(type)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	689 dig = new SHA1();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	690 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	691 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	692 throw new IllegalArgumentException("Unknown hash type " + type);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	693 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	694
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	695 if ("ssh-rsa".equals(keyType)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	696 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	697 else if ("ssh-dss".equals(keyType)) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	698 }
299 4c3a4e88c027 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 298 diff changeset	699 else if (keyType.startsWith("ecdsa-sha2-")) {
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	700 }
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	701 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	702 throw new IllegalArgumentException("Unknown key type " + keyType);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	703 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	704
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	705 if (hostkey == null) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	706 throw new IllegalArgumentException("hostkey is null");
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	709 dig.update(hostkey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	710 byte[] res = new byte[dig.getDigestLength()];
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	711
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	712 try {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	713 dig.digest(res);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	714 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	715 catch (DigestException e) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	716 throw new IOException(e);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	717 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	718
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	719 return res;
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	723 * 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	724 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	725 * @param fingerprint raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	726 * @return the hex representation
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	727 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	728 static private String rawToHexFingerprint(byte[] fingerprint) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	729 final char[] alpha = "0123456789abcdef".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	730 StringBuilder sb = new StringBuilder();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	731
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	732 for (int i = 0; i < fingerprint.length; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	733 if (i != 0) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	734 sb.append(':');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	735 }
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	736
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	737 int b = fingerprint[i] & 0xff;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	738 sb.append(alpha[b >> 4]);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	739 sb.append(alpha[b & 15]);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	742 return sb.toString();
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	746 * Convert a raw fingerprint to bubblebabble representation.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	747 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	748 * @param raw raw fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	749 * @return the bubblebabble representation
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	750 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	751 static private String rawToBubblebabbleFingerprint(byte[] raw) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	752 final char[] v = "aeiouy".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	753 final char[] c = "bcdfghklmnprstvzx".toCharArray();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	754 StringBuilder sb = new StringBuilder();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	755 int seed = 1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	756 int rounds = (raw.length / 2) + 1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	757 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	758
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	759 for (int i = 0; i < rounds; i++) {
071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	760 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	761 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	762 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	763 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	764
307 071eccdff8ea fix java formatting Carl Byington <carl@five-ten-sg.com> parents: 302 diff changeset	765 if ((i + 1) < rounds) {
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	766 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	767 sb.append('-');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	768 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	769 // 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	770 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	771 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	772 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	773 else {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	774 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	775 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	776 sb.append(v[seed / 6]);
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
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	780 sb.append('x');
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	781 return sb.toString();
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	785 * 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	786 * 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	787 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	788 * 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	789 *
298 ab3a99f11a36 add ecdsa key support everywhere Carl Byington <carl@five-ten-sg.com> parents: 287 diff changeset	790 * @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	791 * @param publickey key blob
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	792 * @return Hex fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	793 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	794 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	795 byte[] raw = rawFingerPrint("md5", keytype, publickey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	796 return rawToHexFingerprint(raw);
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 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	800 * 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	801 * 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	802 * that are easier to remember for humans.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	803 * <p/>
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	804 * 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	805 *
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	806 * @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	807 * @param publickey key data
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	808 * @return Bubblebabble fingerprint
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	809 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	810 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	811 byte[] raw = rawFingerPrint("sha1", keytype, publickey);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	812 return rawToBubblebabbleFingerprint(raw);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	813 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	814 }

Mercurial > 510Connectbot

annotate app/src/main/java/ch/ethz/ssh2/KnownHosts.java @ 499:267e72057707