From 59e621d541746ff5f2576541abc1a201afcbc15f Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Thu, 10 Apr 2014 18:58:08 -0400
Subject: [PATCH] Move dispatcher creation to SshCommandFactory and revise permission checks
---
src/main/java/com/gitblit/transport/ssh/SshDaemon.java | 76 ++++++++++++++++---------------------
1 files changed, 33 insertions(+), 43 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..c3d4860 100644
--- a/src/main/java/com/gitblit/transport/ssh/SshDaemon.java
+++ b/src/main/java/com/gitblit/transport/ssh/SshDaemon.java
@@ -24,6 +24,9 @@
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;
@@ -31,18 +34,9 @@
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.utils.IdGenerator;
import com.gitblit.utils.StringUtils;
-import com.gitblit.utils.WorkQueue;
import dagger.Module;
import dagger.ObjectGraph;
@@ -58,6 +52,10 @@
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
@@ -83,14 +81,22 @@
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 +104,19 @@
addr = new InetSocketAddress(bindInterface, port);
}
+ PublicKeyAuthenticator keyAuthenticator = new PublicKeyAuthenticator(keyManager, 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.setPublickeyAuthenticator(keyAuthenticator);
+ sshd.setPasswordAuthenticator(new UsernamePasswordAuthenticator(gitblit));
+ sshd.setSessionFactory(new SshServerSessionFactory());
sshd.setFileSystemFactory(new DisabledFilesystemFactory());
- sshd.setForwardingFilter(new NonForwardingFilter());
-
- 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);
+ sshd.setTcpipForwardingFilter(new NonForwardingFilter());
+ sshd.setCommandFactory(new SshCommandFactory(gitblit, keyAuthenticator, idGenerator));
run = new AtomicBoolean(false);
}
@@ -162,9 +149,12 @@
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. */
@@ -185,14 +175,14 @@
}
}
}
-
+
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();
@@ -207,7 +197,7 @@
}
return keyManager;
}
-
+
/**
* A nested Dagger graph is used for constructor dependency injection of
* complex classes.
@@ -227,7 +217,7 @@
@Provides @Singleton NullKeyManager provideNullKeyManager() {
return new NullKeyManager();
}
-
+
@Provides @Singleton FileKeyManager provideFileKeyManager() {
return new FileKeyManager(SshDaemon.this.gitblit);
}
--
Gitblit v1.9.1