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Posted to dev@mina.apache.org by GitBox <gi...@apache.org> on 2021/05/13 16:02:36 UTC
[GitHub] [mina-sshd] tomaswolf commented on a change in pull request #194: [SSHD-1161] OpenSSH client certificate publickey authentication
tomaswolf commented on a change in pull request #194:
URL: https://github.com/apache/mina-sshd/pull/194#discussion_r631895469
##########
File path: sshd-core/pom.xml
##########
@@ -105,8 +105,25 @@
<artifactId>ganymed-ssh2</artifactId>
<scope>test</scope>
</dependency>
+ <dependency>
+ <groupId>org.testcontainers</groupId>
+ <artifactId>testcontainers</artifactId>
+ <scope>test</scope>
+ </dependency>
</dependencies>
+ <dependencyManagement>
+ <dependencies>
+ <dependency>
+ <groupId>org.testcontainers</groupId>
+ <artifactId>testcontainers-bom</artifactId>
+ <type>pom</type>
+ <version>${testcontainers.version}</version>
+ <scope>import</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
+
Review comment:
mvn build fails for me with testcontainers/testcontainers-java#3308
```
[INFO] --- maven-enforcer-plugin:3.0.0-M3:enforce (enforce-maven-version) @ sshd-core ---
[WARNING]
Dependency convergence error for net.java.dev.jna:jna:5.2.0 paths to dependency are:
+-org.apache.sshd:sshd-core:2.7.1-SNAPSHOT
+-org.testcontainers:testcontainers:1.15.3
+-org.rnorth.visible-assertions:visible-assertions:2.1.2
+-net.java.dev.jna:jna:5.2.0
and
+-org.apache.sshd:sshd-core:2.7.1-SNAPSHOT
+-org.testcontainers:testcontainers:1.15.3
+-com.github.docker-java:docker-java-transport-zerodep:3.2.8
+-net.java.dev.jna:jna:5.8.0
[WARNING] Rule 3: org.apache.maven.plugins.enforcer.DependencyConvergence failed with message:
Failed while enforcing releasability. See above detailed error message.
```
(Even though its a warning, the build stops there, failing the sshd-core module.)
Can be worked around by pinning the jna version to 5.8.0 here.
##########
File path: sshd-core/src/test/java/org/apache/sshd/client/opensshcerts/ClientOpenSSHCertificatesTest.java
##########
@@ -0,0 +1,152 @@
+package org.apache.sshd.client.opensshcerts;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.config.keys.PublicKeyEntry;
+import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
+import org.apache.sshd.common.keyprovider.KeyIdentityProvider;
+import org.apache.sshd.common.session.SessionContext;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.CommonTestSupportUtils;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.images.builder.ImageFromDockerfile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+public class ClientOpenSSHCertificatesTest {
+
+ private static final String USER_KEY_PATH = "org/apache/sshd/client/opensshcerts/user/";
+
+ @Parameterized.Parameters(name = "key: {0}, cert: {0}-cert.pub")
+ public static Iterable<? extends String> privateKeyParams() {
+ return Arrays.asList(
+ "user01_rsa_sha2_256_2048",
+ "user01_rsa_sha2_512_2048",
+ "user01_rsa_sha2_256_4096",
+ "user01_rsa_sha2_512_4096",
+ "user01_ed25519",
+ "user01_ecdsa_256",
+ "user01_ecdsa_384",
+ "user01_ecdsa_521"
+ );
+ }
+
+ @Parameterized.Parameter
+ public String privateKeyName;
+
+ private String getPrivateKeyResource() {
+ return USER_KEY_PATH + privateKeyName;
+ }
+
+ private String getCertificateResource() {
+ return getPrivateKeyResource() + "-cert.pub";
+ }
+
+ /**
+ * This will build a new Docker image once per test class instance
+ * <br/><br/>
+ * The {@link ImageFromDockerfile#withFileFromClasspath} calls will build up an in-memory tar filesystem that is sent to the
+ * docker daemon for image building from assets on the classpath, making this all JVM classpath friendly.
+ * <br/><br/>
+ * The Docker image built will run a sshd instance managed by supervisord that has:
+ *
+ * <ul>
+ * <li>
+ * Two users: user01, user02 with:
+ * <ul>
+ * <li>Passwords "password01" and "password02"</li>
+ * <li>An authorized_keys file with a pub key for the included suite of keypairs (all current variants)</li>
+ * </ul>
+ * </li>
+ * <li>A CA public key configured in sshd_config for the TrustedUserCAKeys option (for client cert publickey auth)</li>
+ * <li>Two available host keypairs host01 and host02 (selected by env var SSH_HOST_KEY)</li>
+ * </ul>
+ **/
+ @ClassRule
+ public static GenericContainer<?> sshdContainer = new GenericContainer<>(
+ new ImageFromDockerfile("clientopensshcertificatestest", true)
+ .withFileFromClasspath("entrypoint.sh", "org/apache/sshd/client/opensshcerts/docker/entrypoint.sh")
+ .withFileFromClasspath("sshd_config", "org/apache/sshd/client/opensshcerts/docker/sshd_config")
+ .withFileFromClasspath("supervisord.conf", "org/apache/sshd/client/opensshcerts/docker/supervisord.conf")
+ .withFileFromClasspath("user01_authorized_keys", "org/apache/sshd/client/opensshcerts/user/user01_authorized_keys")
+ .withFileFromClasspath("user02_authorized_keys", "org/apache/sshd/client/opensshcerts/user/user02_authorized_keys")
+ .withFileFromClasspath("host01", "org/apache/sshd/client/opensshcerts/host/host01")
+ .withFileFromClasspath("host01.pub", "org/apache/sshd/client/opensshcerts/host/host01.pub")
+ .withFileFromClasspath("host02", "org/apache/sshd/client/opensshcerts/host/host02")
+ .withFileFromClasspath("host02.pub", "org/apache/sshd/client/opensshcerts/host/host02.pub")
+ .withFileFromClasspath("ca.pub", "org/apache/sshd/client/opensshcerts/ca/ca.pub")
+ .withFileFromClasspath("Dockerfile", "org/apache/sshd/client/opensshcerts/docker/Dockerfile")
+ )
+ // must be set to "/keys/host/host01" or "/keys/host/host02"
+ .withEnv("SSH_HOST_KEY", "/keys/host/host01")
+ .withExposedPorts(22);
+
+ @Test
+ public void clientCertAuth() throws Exception {
+
+ try (final InputStream certInputStream =
+ Thread.currentThread().getContextClassLoader().getResourceAsStream(getCertificateResource())
+ ) {
+
+ final byte[] certBytes = IoUtils.toByteArray(certInputStream);
+ final String certLine = GenericUtils.replaceWhitespaceAndTrim(new String(certBytes, StandardCharsets.UTF_8));
+
+ final PublicKeyEntry certPublicKeyEntry = PublicKeyEntry.parsePublicKeyEntry(certLine);
+ final PublicKey certPublicKey = certPublicKeyEntry.resolvePublicKey(null, null, null);
+
+ final FileKeyPairProvider keyPairProvider = CommonTestSupportUtils.createTestKeyPairProvider(getPrivateKeyResource());
+
+ final KeyPair keypair = keyPairProvider.loadKeys(null).iterator().next();
+
+ final PrivateKey privateKey = keypair.getPrivate();
+
+ final SshClient client = SshClient.setUpDefaultClient();
+
+ client.setKeyIdentityProvider(new KeyIdentityProvider() {
+ @Override
+ public Iterable<KeyPair> loadKeys(SessionContext session) throws IOException, GeneralSecurityException {
+
+ // build a keypair with the PrivateKey and the certificate as the PublicKey
+ final KeyPair certKeypair = new KeyPair(certPublicKey, privateKey);
+
+ final ArrayList<KeyPair> list = new ArrayList<>();
+ list.add(certKeypair);
+
+ return list;
+ }
+ });
+
+ client.start();
+
+ final Integer actualPort = sshdContainer.getMappedPort(22);
+
+ try (final ClientSession session = client.connect("user01", "localhost", actualPort).verify().getSession()) {
Review comment:
No "final" needed here (flagged by checkstyle).
I also think this should be `client.connect("user01", sshdContainer.getHost(), actualPort)`. With "localhost" I get a "connection refused" on Mac. (Docker container running in a VM -- the "default" docker machine. Evidently this is not localhost.)
However, the container logs showed
```
Connection from 192.168.99.1 port 59228 on 172.17.0.3 port 22 rdomain ""
debug1: Local version string SSH-2.0-OpenSSH_8.4
kex_exchange_identification: Connection closed by remote host
Connection closed by 192.168.99.1 port 59228
```
Maybe I'm doing something wrong... using sshdContainer.getHost() instead of localhost at least I can connect. But even then it fails just after KEX negotiation because of the shaded and apparently unsigned BouncyCastle copy inside testcontainers:
```
java.security.NoSuchProviderException: JCE cannot authenticate the provider BC
at javax.crypto.JceSecurity.getInstance(JceSecurity.java:105)
at javax.crypto.KeyAgreement.getInstance(KeyAgreement.java:230)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.sshd.common.util.security.SecurityEntityFactory$2.getInstance(SecurityEntityFactory.java:130)
at org.apache.sshd.common.util.security.SecurityUtils.getKeyAgreement(SecurityUtils.java:766)
at org.apache.sshd.common.kex.ECDH.<init>(ECDH.java:63)
at org.apache.sshd.common.kex.ECDH.<init>(ECDH.java:58)
at org.apache.sshd.common.kex.BuiltinDHFactories$12.create(BuiltinDHFactories.java:238)
at org.apache.sshd.common.kex.BuiltinDHFactories$12.create(BuiltinDHFactories.java:1)
at org.apache.sshd.client.kex.DHGClient.getDH(DHGClient.java:112)
at org.apache.sshd.client.kex.DHGClient.init(DHGClient.java:95)
at org.apache.sshd.common.session.helpers.AbstractSession.doKexNegotiation(AbstractSession.java:721)
at org.apache.sshd.common.session.helpers.AbstractSession.handleKexInit(AbstractSession.java:693)
at org.apache.sshd.common.session.helpers.AbstractSession.doHandleMessage(AbstractSession.java:478)
at org.apache.sshd.common.session.helpers.AbstractSession.handleMessage(AbstractSession.java:429)
at org.apache.sshd.common.session.helpers.AbstractSession.decode(AbstractSession.java:1466)
at org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:389)
at org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:64)
at org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:359)
at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:336)
at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:1)
at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$0(Nio2CompletionHandler.java:38)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37)
at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
at sun.nio.ch.Invoker$2.run(Invoker.java:218)
at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.util.jar.JarException: file:<path to .m2>/repository/org/testcontainers/testcontainers/1.15.3/testcontainers-1.15.3.jar has unsigned entries - org/testcontainers/dockerclient/AuthDelegatingDockerClientConfig$DelegateExclusions.class
at javax.crypto.JarVerifier.verifySingleJar(JarVerifier.java:502)
at javax.crypto.JarVerifier.verifyJars(JarVerifier.java:363)
at javax.crypto.JarVerifier.verify(JarVerifier.java:289)
at javax.crypto.JceSecurity.verifyProviderJar(JceSecurity.java:164)
at javax.crypto.JceSecurity.getVerificationResult(JceSecurity.java:190)
at javax.crypto.JceSecurity.getInstance(JceSecurity.java:102)
at javax.crypto.KeyAgreement.getInstance(KeyAgreement.java:230)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.sshd.common.util.security.SecurityEntityFactory$2.getInstance(SecurityEntityFactory.java:130)
at org.apache.sshd.common.util.security.SecurityUtils.getKeyAgreement(SecurityUtils.java:766)
at org.apache.sshd.common.kex.ECDH.<init>(ECDH.java:63)
at org.apache.sshd.common.kex.ECDH.<init>(ECDH.java:58)
at org.apache.sshd.common.kex.BuiltinDHFactories$12.create(BuiltinDHFactories.java:238)
at org.apache.sshd.common.kex.BuiltinDHFactories$12.create(BuiltinDHFactories.java:1)
at org.apache.sshd.client.kex.DHGClient.getDH(DHGClient.java:112)
at org.apache.sshd.client.kex.DHGClient.init(DHGClient.java:95)
at org.apache.sshd.common.session.helpers.AbstractSession.doKexNegotiation(AbstractSession.java:721)
at org.apache.sshd.common.session.helpers.AbstractSession.handleKexInit(AbstractSession.java:693)
at org.apache.sshd.common.session.helpers.AbstractSession.doHandleMessage(AbstractSession.java:478)
at org.apache.sshd.common.session.helpers.AbstractSession.handleMessage(AbstractSession.java:429)
at org.apache.sshd.common.session.helpers.AbstractSession.decode(AbstractSession.java:1466)
at org.apache.sshd.common.session.helpers.AbstractSession.messageReceived(AbstractSession.java:389)
at org.apache.sshd.common.session.helpers.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:64)
at org.apache.sshd.common.io.nio2.Nio2Session.handleReadCycleCompletion(Nio2Session.java:359)
at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:336)
at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:1)
at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.lambda$0(Nio2CompletionHandler.java:38)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:37)
at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126)
at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157)
at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implRead(UnixAsynchronousSocketChannelImpl.java:553)
at sun.nio.ch.AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:276)
at sun.nio.ch.AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:297)
at org.apache.sshd.common.io.nio2.Nio2Session.doReadCycle(Nio2Session.java:430)
at org.apache.sshd.common.io.nio2.Nio2Session.doReadCycle(Nio2Session.java:328)
at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:321)
at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:317)
at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:313)
at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:309)
at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:305)
at org.apache.sshd.common.io.nio2.Nio2Connector$ConnectionCompletionHandler.onCompleted(Nio2Connector.java:162)
at org.apache.sshd.common.io.nio2.Nio2Connector$ConnectionCompletionHandler.onCompleted(Nio2Connector.java:1)
... 9 common frames omitted
```
So far I have not succeeded to make it pick up the standard BC provider instead...
##########
File path: sshd-core/src/test/java/org/apache/sshd/client/opensshcerts/ClientOpenSSHCertificatesTest.java
##########
@@ -0,0 +1,152 @@
+package org.apache.sshd.client.opensshcerts;
Review comment:
Missing license header fails the mvn build.
##########
File path: sshd-core/src/test/java/org/apache/sshd/client/opensshcerts/ClientOpenSSHCertificatesTest.java
##########
@@ -0,0 +1,152 @@
+package org.apache.sshd.client.opensshcerts;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.config.keys.PublicKeyEntry;
+import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
+import org.apache.sshd.common.keyprovider.KeyIdentityProvider;
+import org.apache.sshd.common.session.SessionContext;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.CommonTestSupportUtils;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.images.builder.ImageFromDockerfile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+public class ClientOpenSSHCertificatesTest {
+
+ private static final String USER_KEY_PATH = "org/apache/sshd/client/opensshcerts/user/";
+
+ @Parameterized.Parameters(name = "key: {0}, cert: {0}-cert.pub")
+ public static Iterable<? extends String> privateKeyParams() {
+ return Arrays.asList(
+ "user01_rsa_sha2_256_2048",
+ "user01_rsa_sha2_512_2048",
+ "user01_rsa_sha2_256_4096",
+ "user01_rsa_sha2_512_4096",
+ "user01_ed25519",
+ "user01_ecdsa_256",
+ "user01_ecdsa_384",
+ "user01_ecdsa_521"
+ );
+ }
+
+ @Parameterized.Parameter
+ public String privateKeyName;
+
+ private String getPrivateKeyResource() {
+ return USER_KEY_PATH + privateKeyName;
+ }
+
+ private String getCertificateResource() {
+ return getPrivateKeyResource() + "-cert.pub";
+ }
+
+ /**
+ * This will build a new Docker image once per test class instance
+ * <br/><br/>
+ * The {@link ImageFromDockerfile#withFileFromClasspath} calls will build up an in-memory tar filesystem that is sent to the
+ * docker daemon for image building from assets on the classpath, making this all JVM classpath friendly.
+ * <br/><br/>
+ * The Docker image built will run a sshd instance managed by supervisord that has:
+ *
+ * <ul>
+ * <li>
+ * Two users: user01, user02 with:
+ * <ul>
+ * <li>Passwords "password01" and "password02"</li>
+ * <li>An authorized_keys file with a pub key for the included suite of keypairs (all current variants)</li>
+ * </ul>
+ * </li>
+ * <li>A CA public key configured in sshd_config for the TrustedUserCAKeys option (for client cert publickey auth)</li>
+ * <li>Two available host keypairs host01 and host02 (selected by env var SSH_HOST_KEY)</li>
+ * </ul>
+ **/
+ @ClassRule
+ public static GenericContainer<?> sshdContainer = new GenericContainer<>(
+ new ImageFromDockerfile("clientopensshcertificatestest", true)
+ .withFileFromClasspath("entrypoint.sh", "org/apache/sshd/client/opensshcerts/docker/entrypoint.sh")
+ .withFileFromClasspath("sshd_config", "org/apache/sshd/client/opensshcerts/docker/sshd_config")
+ .withFileFromClasspath("supervisord.conf", "org/apache/sshd/client/opensshcerts/docker/supervisord.conf")
+ .withFileFromClasspath("user01_authorized_keys", "org/apache/sshd/client/opensshcerts/user/user01_authorized_keys")
+ .withFileFromClasspath("user02_authorized_keys", "org/apache/sshd/client/opensshcerts/user/user02_authorized_keys")
+ .withFileFromClasspath("host01", "org/apache/sshd/client/opensshcerts/host/host01")
+ .withFileFromClasspath("host01.pub", "org/apache/sshd/client/opensshcerts/host/host01.pub")
+ .withFileFromClasspath("host02", "org/apache/sshd/client/opensshcerts/host/host02")
+ .withFileFromClasspath("host02.pub", "org/apache/sshd/client/opensshcerts/host/host02.pub")
+ .withFileFromClasspath("ca.pub", "org/apache/sshd/client/opensshcerts/ca/ca.pub")
+ .withFileFromClasspath("Dockerfile", "org/apache/sshd/client/opensshcerts/docker/Dockerfile")
+ )
+ // must be set to "/keys/host/host01" or "/keys/host/host02"
+ .withEnv("SSH_HOST_KEY", "/keys/host/host01")
+ .withExposedPorts(22);
+
+ @Test
+ public void clientCertAuth() throws Exception {
+
+ try (final InputStream certInputStream =
Review comment:
No "final" needed here (flagged by checkstyle).
##########
File path: sshd-core/src/test/java/org/apache/sshd/client/opensshcerts/ClientOpenSSHCertificatesTest.java
##########
@@ -0,0 +1,152 @@
+package org.apache.sshd.client.opensshcerts;
+
+import org.apache.sshd.client.SshClient;
+import org.apache.sshd.client.session.ClientSession;
+import org.apache.sshd.common.config.keys.PublicKeyEntry;
+import org.apache.sshd.common.keyprovider.FileKeyPairProvider;
+import org.apache.sshd.common.keyprovider.KeyIdentityProvider;
+import org.apache.sshd.common.session.SessionContext;
+import org.apache.sshd.common.util.GenericUtils;
+import org.apache.sshd.common.util.io.IoUtils;
+import org.apache.sshd.util.test.BaseTestSupport;
+import org.apache.sshd.util.test.CommonTestSupportUtils;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.images.builder.ImageFromDockerfile;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.KeyPair;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+@RunWith(Parameterized.class) // see https://github.com/junit-team/junit/wiki/Parameterized-tests
+public class ClientOpenSSHCertificatesTest {
+
+ private static final String USER_KEY_PATH = "org/apache/sshd/client/opensshcerts/user/";
+
+ @Parameterized.Parameters(name = "key: {0}, cert: {0}-cert.pub")
+ public static Iterable<? extends String> privateKeyParams() {
+ return Arrays.asList(
+ "user01_rsa_sha2_256_2048",
+ "user01_rsa_sha2_512_2048",
+ "user01_rsa_sha2_256_4096",
+ "user01_rsa_sha2_512_4096",
+ "user01_ed25519",
+ "user01_ecdsa_256",
+ "user01_ecdsa_384",
+ "user01_ecdsa_521"
+ );
+ }
+
+ @Parameterized.Parameter
+ public String privateKeyName;
+
Review comment:
Checkstyle has trouble with that, and wants a constructor anyway. So change to
```
private String privateKeyName;
public ClientOpenSSHCertificatesTest(String keyName) {
privateKeyName = keyName;
}
```
Order of fields must be public static, private static, public, private. Methods (also static ones) are supposed to follow the constructor according to the project's checkstyle rules.
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