From c0c5b206bb8d61fb82f09511f8b0214b64f726f4 Mon Sep 17 00:00:00 2001 From: James Moger <james.moger@gitblit.com> Date: Mon, 15 Jun 2015 10:31:07 -0400 Subject: [PATCH] Merged #257 "Bump to JGit 4.0.0" --- src/main/java/com/gitblit/transport/ssh/SshDaemon.java | 83 +++++++++++++++++++++++++++++++++++------ 1 files changed, 71 insertions(+), 12 deletions(-) diff --git a/src/main/java/com/gitblit/transport/ssh/SshDaemon.java b/src/main/java/com/gitblit/transport/ssh/SshDaemon.java index 6956c12..0ff5c28 100644 --- a/src/main/java/com/gitblit/transport/ssh/SshDaemon.java +++ b/src/main/java/com/gitblit/transport/ssh/SshDaemon.java @@ -23,14 +23,25 @@ import java.security.KeyPair; import java.security.KeyPairGenerator; import java.text.MessageFormat; +import java.util.ArrayList; +import java.util.List; +import java.util.Locale; import java.util.concurrent.atomic.AtomicBoolean; import org.apache.sshd.SshServer; +import org.apache.sshd.common.NamedFactory; 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.common.keyprovider.FileKeyPairProvider; import org.apache.sshd.common.util.SecurityUtils; +import org.apache.sshd.server.auth.CachingPublicKeyAuthenticator; +import org.apache.sshd.server.UserAuth; +import org.apache.sshd.server.auth.UserAuthKeyboardInteractive; +import org.apache.sshd.server.auth.UserAuthPassword; +import org.apache.sshd.server.auth.UserAuthPublicKey; +import org.apache.sshd.server.auth.gss.GSSAuthenticator; +import org.apache.sshd.server.auth.gss.UserAuthGSS; import org.bouncycastle.openssl.PEMWriter; import org.eclipse.jgit.internal.JGitText; import org.slf4j.Logger; @@ -41,16 +52,14 @@ import com.gitblit.Keys; import com.gitblit.manager.IGitblit; import com.gitblit.transport.ssh.commands.SshCommandFactory; -import com.gitblit.utils.IdGenerator; import com.gitblit.utils.JnaUtils; import com.gitblit.utils.StringUtils; +import com.gitblit.utils.WorkQueue; import com.google.common.io.Files; /** * Manager for the ssh transport. Roughly analogous to the * {@link com.gitblit.transport.git.GitDaemon} class. - * - * @author Eric Myhre * */ public class SshDaemon { @@ -78,14 +87,18 @@ * Construct the Gitblit SSH daemon. * * @param gitblit + * @param workQueue */ - public SshDaemon(IGitblit gitblit, IdGenerator idGenerator) { + public SshDaemon(IGitblit gitblit, WorkQueue workQueue) { this.gitblit = gitblit; IStoredSettings settings = gitblit.getSettings(); // Ensure that Bouncy Castle is our JCE provider SecurityUtils.setRegisterBouncyCastle(true); + if (SecurityUtils.isBouncyCastleRegistered()) { + log.debug("BouncyCastle is registered as a JCE provider"); + } // Generate host RSA and DSA keypairs and create the host keypair provider File rsaKeyStore = new File(gitblit.getBaseFolder(), "ssh-rsa-hostkey.pem"); @@ -96,8 +109,8 @@ hostKeyPairProvider.setFiles(new String [] { rsaKeyStore.getPath(), dsaKeyStore.getPath(), dsaKeyStore.getPath() }); // Client public key authenticator - CachingPublicKeyAuthenticator keyAuthenticator = - new CachingPublicKeyAuthenticator(gitblit.getPublicKeyManager(), gitblit); + SshKeyAuthenticator keyAuthenticator = + new SshKeyAuthenticator(gitblit.getPublicKeyManager(), gitblit); // Configure the preferred SSHD backend String sshBackendStr = settings.getString(Keys.git.sshBackend, @@ -117,18 +130,64 @@ } else { addr = new InetSocketAddress(bindInterface, port); } - + + //Will do GSS ? + GSSAuthenticator gssAuthenticator = null; + if(settings.getBoolean(Keys.git.sshWithKrb5, false)) { + gssAuthenticator = new SshKrbAuthenticator(gitblit); + String keytabString = settings.getString(Keys.git.sshKrb5Keytab, + ""); + if(! keytabString.isEmpty()) { + gssAuthenticator.setKeytabFile(keytabString); + } + String servicePrincipalName = settings.getString(Keys.git.sshKrb5ServicePrincipalName, + ""); + if(! servicePrincipalName.isEmpty()) { + gssAuthenticator.setServicePrincipalName(servicePrincipalName); + } + } + + //Sort the authenticators for sshd + List<NamedFactory<UserAuth>> userAuthFactories = new ArrayList<>(); + String sshAuthenticatorsOrderString = settings.getString(Keys.git.sshAuthenticatorsOrder, + "password,keyboard-interactive,publickey"); + for(String authenticator: sshAuthenticatorsOrderString.split(",")) { + String authenticatorName = authenticator.trim().toLowerCase(Locale.US); + switch (authenticatorName) { + case "gssapi-with-mic": + if(gssAuthenticator != null) { + userAuthFactories.add(new UserAuthGSS.Factory()); + } + break; + case "publickey": + userAuthFactories.add(new UserAuthPublicKey.Factory()); + break; + case "password": + userAuthFactories.add(new UserAuthPassword.Factory()); + break; + case "keyboard-interactive": + userAuthFactories.add(new UserAuthKeyboardInteractive.Factory()); + break; + default: + log.error("Unknown ssh authenticator: '{}'", authenticatorName); + } + } + // Create the SSH server sshd = SshServer.setUpDefaultServer(); sshd.setPort(addr.getPort()); sshd.setHost(addr.getHostName()); sshd.setKeyPairProvider(hostKeyPairProvider); - sshd.setPublickeyAuthenticator(keyAuthenticator); + sshd.setPublickeyAuthenticator(new CachingPublicKeyAuthenticator(keyAuthenticator)); sshd.setPasswordAuthenticator(new UsernamePasswordAuthenticator(gitblit)); + if(gssAuthenticator != null) { + sshd.setGSSAuthenticator(gssAuthenticator); + } + sshd.setUserAuthFactories(userAuthFactories); sshd.setSessionFactory(new SshServerSessionFactory()); sshd.setFileSystemFactory(new DisabledFilesystemFactory()); sshd.setTcpipForwardingFilter(new NonForwardingFilter()); - sshd.setCommandFactory(new SshCommandFactory(gitblit, idGenerator)); + sshd.setCommandFactory(new SshCommandFactory(gitblit, workQueue)); sshd.setShellFactory(new WelcomeShell(settings)); // Set the server id. This can be queried with: @@ -143,7 +202,7 @@ public String formatUrl(String gituser, String servername, String repository) { if (sshd.getPort() == DEFAULT_PORT) { // standard port - return MessageFormat.format("{0}@{1}/{2}", gituser, servername, + return MessageFormat.format("ssh://{0}@{1}/{2}", gituser, servername, repository); } else { // non-standard port @@ -214,8 +273,8 @@ Files.touch(file); try { JnaUtils.setFilemode(file, JnaUtils.S_IRUSR | JnaUtils.S_IWUSR); - } catch (UnsupportedOperationException e) { - // Windows + } catch (UnsatisfiedLinkError | UnsupportedOperationException e) { + // Unexpected/Unsupported OS or Architecture } FileOutputStream os = new FileOutputStream(file); -- Gitblit v1.9.1