Bump sshd-core to 2.6.0 and update tests

cli/pom.xml

@@ -72,7 +72,7 @@
     <dependency>
       <groupId>org.apache.sshd</groupId>
       <artifactId>sshd-core</artifactId>
-      <version>1.7.0</version>
+      <version>2.6.0</version>
       <optional>true</optional>
     </dependency>
     <!-- ed25519 algorithm, see JENKINS-45318 -->

cli/src/main/java/hudson/cli/PrivateKeyProvider.java

@@ -34,14 +34,20 @@
 import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
+import java.nio.file.Paths;
 import java.security.GeneralSecurityException;
+import java.security.InvalidKeyException;
 import java.security.KeyPair;
+import java.security.Security;
+import java.security.spec.InvalidKeySpecException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.logging.Logger;
+import java.util.stream.StreamSupport;
 
 import org.apache.sshd.common.config.keys.FilePasswordProvider;
+import org.apache.sshd.common.util.io.resource.PathResource;
 import org.apache.sshd.common.util.security.SecurityUtils;
 
 /**
@@ -52,7 +58,7 @@
  */
 public class PrivateKeyProvider {
 
-    private List<KeyPair> privateKeys = new ArrayList<>();
+    private final List<KeyPair> privateKeys = new ArrayList<>();
 
     /**
      * Get keys read so far.
@@ -137,9 +143,18 @@ private static String readPemFile(File f) throws IOException{
     }
 
     public static KeyPair loadKey(String pemString, String passwd) throws IOException, GeneralSecurityException {
-        return SecurityUtils.loadKeyPairIdentity("key",
+        Iterable<KeyPair> itr = SecurityUtils.loadKeyPairIdentities(null,
+                new PathResource(Paths.get("key")),
                 new ByteArrayInputStream(pemString.getBytes(UTF_8)),
                 FilePasswordProvider.of(passwd));
+        long numLoaded = itr == null ? 0 : StreamSupport.stream(itr.spliterator(), false).count();
+        if (numLoaded <= 0) {
+            throw new InvalidKeyException("Unsupported private key file format: key");
+        }
+        if (numLoaded != 1) {
+            throw new InvalidKeySpecException("Multiple private key pairs N/A: key");
+        }
+        return itr.iterator().next();
     }
 
     private static final Logger LOGGER = Logger.getLogger(PrivateKeyProvider.class.getName());

cli/src/test/java/hudson/cli/PrivateKeyProviderTest.java

@@ -7,10 +7,10 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.lang.IllegalArgumentException;
 import java.security.GeneralSecurityException;
+import java.security.InvalidKeyException;
 import java.security.KeyPair;
-import java.security.NoSuchAlgorithmException;
+import java.security.spec.InvalidKeySpecException;
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
@@ -81,13 +81,44 @@ public void loadKeyOpenSSH() throws IOException, GeneralSecurityException {
     }
 
     /**
-    key command: ssh-keygen -f openssh-unsupported -t rsa -b 1024 -p password
-    */
+     key command: ssh-keygen -f openssh-unsupported -t rsa -b 1024 -m PKCS8 -p password
+     */
+    @Test
+    public void loadKeyOpenSSHPKCS8() throws IOException, GeneralSecurityException {
+        File file = new File(this.getClass().getResource("openssh-pkcs8").getFile());
+        String password = "password";
+        assertKeyPairNotNull(file, password);
+    }
+
+    /**
+     key command: ssh-keygen -f openssh-unsupported -t rsa -b 1024 -m RFC4716 -p password
+     */
+    @Test
+    public void loadKeyOpenSSHRFC4716() throws IOException, GeneralSecurityException {
+        File file = new File(this.getClass().getResource("openssh-rfc4716").getFile());
+        String password = "password";
+        assertKeyPairNotNull(file, password);
+    }
+
+    /**
+     key command: ssh-keygen -f openssh-unsupported -t rsa -b 1024 -m RFC4716 -p password
+     Copy pasted the same key twice
+     */
+    @Test
+    public void loadKeyOpenSSHMultipleKeys() throws IOException, GeneralSecurityException {
+        File file = new File(this.getClass().getResource("openssh-multiple-keys").getFile());
+        String password = "password";
+        assertThrows(InvalidKeySpecException.class, () -> PrivateKeyProvider.loadKey(file, password));
+    }
+
+    /**
+     * Uses a blank file
+     */
     @Test
-    public void loadKeyUnsupportedCipher() throws IOException, GeneralSecurityException {
-        File file = new File(this.getClass().getResource("openssh-unsuported").getFile());
+    public void loadBlankKey() throws IOException, GeneralSecurityException {
+        File file = new File(this.getClass().getResource("blank").getFile());
         String password = "password";
-        assertThrows(NoSuchAlgorithmException.class, () -> PrivateKeyProvider.loadKey(file, password));
+        assertThrows(InvalidKeyException.class, () -> PrivateKeyProvider.loadKey(file, password));
     }
 
     /**

cli/src/test/resources/hudson/cli/openssh-multiple-keys

@@ -0,0 +1,35 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----
+
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----

cli/src/test/resources/hudson/cli/openssh-pkcs8

@@ -0,0 +1,17 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----

cli/src/test/resources/hudson/cli/openssh-rfc4716

@@ -0,0 +1,17 @@
+-----BEGIN OPENSSH PRIVATE KEY-----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+-----END OPENSSH PRIVATE KEY-----