From 13331ae61c7f08b4a202a531e005915147467bd8 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 10 Apr 2014 18:58:09 -0400
Subject: [PATCH] Exclude SSH repository urls from anonymous users
---
src/main/java/com/gitblit/transport/ssh/SshDaemon.java | 133 ++++++++++++--------------------------------
1 files changed, 37 insertions(+), 96 deletions(-)
diff --git a/src/main/java/com/gitblit/transport/ssh/SshDaemon.java b/src/main/java/com/gitblit/transport/ssh/SshDaemon.java
index de57f5f..9628cb8 100644
--- a/src/main/java/com/gitblit/transport/ssh/SshDaemon.java
+++ b/src/main/java/com/gitblit/transport/ssh/SshDaemon.java
@@ -21,32 +21,22 @@
import java.text.MessageFormat;
import java.util.concurrent.atomic.AtomicBoolean;
-import javax.inject.Singleton;
-
import org.apache.sshd.SshServer;
+import org.apache.sshd.common.io.IoServiceFactoryFactory;
+import org.apache.sshd.common.io.mina.MinaServiceFactoryFactory;
+import org.apache.sshd.common.io.nio2.Nio2ServiceFactoryFactory;
import org.apache.sshd.server.keyprovider.PEMGeneratorHostKeyProvider;
import org.eclipse.jgit.internal.JGitText;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.gitblit.Constants;
import com.gitblit.IStoredSettings;
import com.gitblit.Keys;
-import com.gitblit.git.GitblitReceivePackFactory;
-import com.gitblit.git.GitblitUploadPackFactory;
-import com.gitblit.git.RepositoryResolver;
import com.gitblit.manager.IGitblit;
-import com.gitblit.transport.ssh.commands.CreateRepository;
-import com.gitblit.transport.ssh.commands.DispatchCommand;
-import com.gitblit.transport.ssh.commands.Receive;
-import com.gitblit.transport.ssh.commands.Upload;
-import com.gitblit.transport.ssh.commands.VersionCommand;
+import com.gitblit.transport.ssh.commands.SshCommandFactory;
import com.gitblit.utils.IdGenerator;
import com.gitblit.utils.StringUtils;
-import com.gitblit.utils.WorkQueue;
-
-import dagger.Module;
-import dagger.ObjectGraph;
-import dagger.Provides;
/**
* Manager for the ssh transport. Roughly analogous to the
@@ -58,6 +48,10 @@
public class SshDaemon {
private final Logger log = LoggerFactory.getLogger(SshDaemon.class);
+
+ public static enum SshSessionBackend {
+ MINA, NIO2
+ }
/**
* 22: IANA assigned port number for ssh. Note that this is a distinct
@@ -73,7 +67,6 @@
private final IGitblit gitblit;
private final SshServer sshd;
- private final ObjectGraph injector;
/**
* Construct the Gitblit SSH daemon.
@@ -82,15 +75,20 @@
*/
public SshDaemon(IGitblit gitblit, IdGenerator idGenerator) {
this.gitblit = gitblit;
- this.injector = ObjectGraph.create(new SshModule());
-
+
IStoredSettings settings = gitblit.getSettings();
int port = settings.getInteger(Keys.git.sshPort, 0);
String bindInterface = settings.getString(Keys.git.sshBindInterface,
"localhost");
- IKeyManager keyManager = getKeyManager();
-
+ String sshBackendStr = settings.getString(Keys.git.sshBackend,
+ SshSessionBackend.NIO2.name());
+ SshSessionBackend backend = SshSessionBackend.valueOf(sshBackendStr);
+ System.setProperty(IoServiceFactoryFactory.class.getName(),
+ backend == SshSessionBackend.MINA
+ ? MinaServiceFactoryFactory.class.getName()
+ : Nio2ServiceFactoryFactory.class.getName());
+
InetSocketAddress addr;
if (StringUtils.isEmpty(bindInterface)) {
addr = new InetSocketAddress(port);
@@ -98,38 +96,24 @@
addr = new InetSocketAddress(bindInterface, port);
}
+ File hostKeyStore = new File(gitblit.getBaseFolder(), HOST_KEY_STORE);
+ CachingPublicKeyAuthenticator keyAuthenticator =
+ new CachingPublicKeyAuthenticator(gitblit.getPublicKeyManager(), gitblit);
+
sshd = SshServer.setUpDefaultServer();
sshd.setPort(addr.getPort());
sshd.setHost(addr.getHostName());
- sshd.setKeyPairProvider(new PEMGeneratorHostKeyProvider(new File(
- gitblit.getBaseFolder(), HOST_KEY_STORE).getPath()));
- sshd.setPublickeyAuthenticator(new SshKeyAuthenticator(keyManager, gitblit));
- sshd.setPasswordAuthenticator(new SshPasswordAuthenticator(gitblit));
- sshd.setSessionFactory(new SshSessionFactory(idGenerator));
+ sshd.setKeyPairProvider(new PEMGeneratorHostKeyProvider(hostKeyStore.getPath()));
+ sshd.setPublickeyAuthenticator(keyAuthenticator);
+ sshd.setPasswordAuthenticator(new UsernamePasswordAuthenticator(gitblit));
+ sshd.setSessionFactory(new SshServerSessionFactory());
sshd.setFileSystemFactory(new DisabledFilesystemFactory());
- sshd.setForwardingFilter(new NonForwardingFilter());
+ sshd.setTcpipForwardingFilter(new NonForwardingFilter());
+ sshd.setCommandFactory(new SshCommandFactory(gitblit, idGenerator));
+ sshd.setShellFactory(new WelcomeShell(settings));
- DispatchCommand gitblitCmd = new DispatchCommand();
- gitblitCmd.registerCommand(CreateRepository.class);
- gitblitCmd.registerCommand(VersionCommand.class);
-
- DispatchCommand gitCmd = new DispatchCommand();
- gitCmd.registerCommand(Upload.class);
- gitCmd.registerCommand(Receive.class);
-
- DispatchCommand root = new DispatchCommand();
- root.registerDispatcher("gitblit", gitblitCmd);
- root.registerDispatcher("git", gitCmd);
-
- root.setRepositoryResolver(new RepositoryResolver<SshSession>(gitblit));
- root.setUploadPackFactory(new GitblitUploadPackFactory<SshSession>(gitblit));
- root.setReceivePackFactory(new GitblitReceivePackFactory<SshSession>(gitblit));
-
- SshCommandFactory commandFactory = new SshCommandFactory(
- new WorkQueue(idGenerator),
- root);
-
- sshd.setCommandFactory(commandFactory);
+ String version = Constants.getGitBlitVersion() + " (" + sshd.getVersion() + ")";
+ sshd.getProperties().put(SshServer.SERVER_IDENTIFICATION, version);
run = new AtomicBoolean(false);
}
@@ -162,9 +146,12 @@
sshd.start();
run.set(true);
+ String sshBackendStr = gitblit.getSettings().getString(Keys.git.sshBackend,
+ SshSessionBackend.NIO2.name());
+
log.info(MessageFormat.format(
- "SSH Daemon is listening on {0}:{1,number,0}",
- sshd.getHost(), sshd.getPort()));
+ "SSH Daemon ({0}) is listening on {1}:{2,number,0}",
+ sshBackendStr, sshd.getHost(), sshd.getPort()));
}
/** @return true if this daemon is receiving connections. */
@@ -179,57 +166,11 @@
run.set(false);
try {
+ ((SshCommandFactory) sshd.getCommandFactory()).stop();
sshd.stop();
} catch (InterruptedException e) {
log.error("SSH Daemon stop interrupted", e);
}
- }
- }
-
- protected IKeyManager getKeyManager() {
- IKeyManager keyManager = null;
- IStoredSettings settings = gitblit.getSettings();
- String clazz = settings.getString(Keys.git.sshKeysManager, FileKeyManager.class.getName());
- if (StringUtils.isEmpty(clazz)) {
- clazz = FileKeyManager.class.getName();
- }
- try {
- Class<? extends IKeyManager> managerClass = (Class<? extends IKeyManager>) Class.forName(clazz);
- keyManager = injector.get(managerClass).start();
- if (keyManager.isReady()) {
- log.info("{} is ready.", keyManager);
- } else {
- log.warn("{} is disabled.", keyManager);
- }
- } catch (Exception e) {
- log.error("failed to create ssh key manager " + clazz, e);
- keyManager = injector.get(NullKeyManager.class).start();
- }
- return keyManager;
- }
-
- /**
- * A nested Dagger graph is used for constructor dependency injection of
- * complex classes.
- *
- * @author James Moger
- *
- */
- @Module(
- library = true,
- injects = {
- NullKeyManager.class,
- FileKeyManager.class
- }
- )
- class SshModule {
-
- @Provides @Singleton NullKeyManager provideNullKeyManager() {
- return new NullKeyManager();
- }
-
- @Provides @Singleton FileKeyManager provideFileKeyManager() {
- return new FileKeyManager(SshDaemon.this.gitblit);
}
}
}
--
Gitblit v1.9.1