/*
* Copyright 2010, 2011 sshj contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.schmizz.sshj.keyprovider;
import net.schmizz.sshj.common.KeyType;
import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
import net.schmizz.sshj.userauth.keyprovider.OpenSSHKeyFile;
import net.schmizz.sshj.userauth.password.PasswordFinder;
import net.schmizz.sshj.userauth.password.PasswordUtils;
import net.schmizz.sshj.userauth.password.Resource;
import net.schmizz.sshj.util.KeyUtil;
import org.apache.sshd.common.util.SecurityUtils;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.GeneralSecurityException;
import java.util.Arrays;
import java.util.Scanner;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class OpenSSHKeyFileTest {
static final String g = "23b0484f5ad9cba2b3dba7129419fbec7f8c014e22d3b19de4ebbca20d0ebd2e9f5225dabdd48de75f87e3193377fb1072c08433f82f6e6e581a319d4fc7d283cdcd2ae2000fe572c0a800fd47b7590d6a6afe3df54aedd57696c6538029daebf11d9e277edc0c7e905e237d3b9e6a6f674d83da5cc0131ac0be2e55ac69730e";
static final String p = "92b746cf7c0e9ea35fd9b09b0c3dbdfde453468984698ff168fefef3f0457d29bcf81c88830ac1099223d00745423e44cdef66f4cdc3fad1d95ce2868b3e885c1d518c9fcda597d5c373f05f6f323553f60bd992404183dab41d82ab6d3b3ecf2dfc3c136fa67c4312ec0b7bbac77a634e1eb5dd9a62efd0ddab477d0b49c0b9";
static final String q = "96a05e07b9e52d6f1137d11d5d270b568b94162f";
static final String x = "8981aebb71c60b5951f0ab3ed1a00b5307742f43";
static final String y = "7e845aada202d31004c52ab170cbe62ce9a962b9f4acbc67a57f62eb090a67b3faa53d38050f87b2b66ddf1185472f27842c3e3e58d025f9148a28f49ebdfb6efefee8ee10fe84a2d56535dddb301dfee15538108639e8a0ec7aa237ddb999f35b6a5c6b875052998233374163ad031f974d29c2631394436ae186b418348193";
boolean readyToProvide;
final char[] correctPassphrase = "test_passphrase".toCharArray();
final char[] incorrectPassphrase = new char[]{' '};
final PasswordFinder onlyGivesWhenReady = new PasswordFinder() {
@Override
public char[] reqPassword(Resource resource) {
if (!readyToProvide)
throw new AssertionError("Password requested too soon");
return correctPassphrase;
}
@Override
public boolean shouldRetry(Resource resource) {
return false;
}
};
int triesLeft = 3;
final PasswordFinder givesOn3rdTry = new PasswordFinder() {
@Override
public char[] reqPassword(Resource resource) {
if (triesLeft == 0)
return correctPassphrase;
else {
triesLeft--;
return incorrectPassphrase;
}
}
@Override
public boolean shouldRetry(Resource resource) {
return triesLeft >= 0;
}
};
@Test
public void blankingOut()
throws IOException, GeneralSecurityException {
FileKeyProvider dsa = new OpenSSHKeyFile();
dsa.init(new File("src/test/resources/id_dsa"), PasswordUtils.createOneOff(correctPassphrase));
assertEquals(KeyUtil.newDSAPrivateKey(x, p, q, g), dsa.getPrivate());
char[] blank = new char[correctPassphrase.length];
Arrays.fill(blank, ' ');
assertArrayEquals(blank, correctPassphrase);
}
@Test
public void getters()
throws IOException, GeneralSecurityException {
FileKeyProvider dsa = new OpenSSHKeyFile();
dsa.init(new File("src/test/resources/id_dsa"), onlyGivesWhenReady);
assertEquals(dsa.getType(), KeyType.DSA);
assertEquals(KeyUtil.newDSAPublicKey(y, p, q, g), dsa.getPublic());
readyToProvide = true;
assertEquals(KeyUtil.newDSAPrivateKey(x, p, q, g), dsa.getPrivate());
}
@Test
public void retries()
throws IOException, GeneralSecurityException {
FileKeyProvider dsa = new OpenSSHKeyFile();
dsa.init(new File("src/test/resources/id_dsa"), givesOn3rdTry);
assertEquals(KeyUtil.newDSAPrivateKey(x, p, q, g), dsa.getPrivate());
}
@Test
public void fromString()
throws IOException, GeneralSecurityException {
FileKeyProvider dsa = new OpenSSHKeyFile();
String privateKey = readFile("src/test/resources/id_dsa");
String publicKey = readFile("src/test/resources/id_dsa.pub");
dsa.init(privateKey, publicKey,
PasswordUtils.createOneOff(correctPassphrase));
assertEquals(dsa.getType(), KeyType.DSA);
assertEquals(KeyUtil.newDSAPublicKey(y, p, q, g), dsa.getPublic());
assertEquals(KeyUtil.newDSAPrivateKey(x, p, q, g), dsa.getPrivate());
}
@Before
public void setup()
throws UnsupportedEncodingException, GeneralSecurityException {
if (!SecurityUtils.isBouncyCastleRegistered())
throw new AssertionError("bouncy castle needed");
}
private String readFile(String pathname)
throws IOException {
StringBuilder fileContents = new StringBuilder();
Scanner scanner = new Scanner(new File(pathname));
String lineSeparator = System.getProperty("line.separator");
try {
while (scanner.hasNextLine()) {
fileContents.append(scanner.nextLine() + lineSeparator);
}
return fileContents.toString();
} finally {
scanner.close();
}
}
}