From a502d96a860456ec5e8c96761db70f7cabb74751 Mon Sep 17 00:00:00 2001
From: Paul Martin <paul@paulsputer.com>
Date: Sat, 30 Apr 2016 04:19:14 -0400
Subject: [PATCH] Merge pull request #1073 from gitblit/1062-DocEditorUpdates
---
src/main/java/com/gitblit/transport/ssh/SshKrbAuthenticator.java | 76 ++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/gitblit/transport/ssh/SshKrbAuthenticator.java b/src/main/java/com/gitblit/transport/ssh/SshKrbAuthenticator.java
new file mode 100644
index 0000000..b6d233c
--- /dev/null
+++ b/src/main/java/com/gitblit/transport/ssh/SshKrbAuthenticator.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2015 gitblit.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.gitblit.transport.ssh;
+
+import java.util.Locale;
+
+import org.apache.sshd.server.auth.gss.GSSAuthenticator;
+import org.apache.sshd.server.session.ServerSession;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.gitblit.IStoredSettings;
+import com.gitblit.Keys;
+import com.gitblit.manager.IAuthenticationManager;
+import com.gitblit.models.UserModel;
+
+public class SshKrbAuthenticator extends GSSAuthenticator {
+
+ protected final Logger log = LoggerFactory.getLogger(getClass());
+ protected final IAuthenticationManager authManager;
+ protected final boolean stripDomain;
+
+
+ public SshKrbAuthenticator(IStoredSettings settings, IAuthenticationManager authManager) {
+ this.authManager = authManager;
+
+ String keytabString = settings.getString(Keys.git.sshKrb5Keytab, "");
+ if(! keytabString.isEmpty()) {
+ setKeytabFile(keytabString);
+ }
+
+ String servicePrincipalName = settings.getString(Keys.git.sshKrb5ServicePrincipalName, "");
+ if(! servicePrincipalName.isEmpty()) {
+ setServicePrincipalName(servicePrincipalName);
+ }
+
+ this.stripDomain = settings.getBoolean(Keys.git.sshKrb5StripDomain, false);
+ }
+
+ @Override
+ public boolean validateIdentity(ServerSession session, String identity) {
+ log.info("identify with kerberos {}", identity);
+ SshDaemonClient client = session.getAttribute(SshDaemonClient.KEY);
+ if (client.getUser() != null) {
+ log.info("{} has already authenticated!", identity);
+ return true;
+ }
+ String username = identity.toLowerCase(Locale.US);
+ if (stripDomain) {
+ int p = username.indexOf('@');
+ if (p > 0) {
+ username = username.substring(0, p);
+ }
+ }
+ UserModel user = authManager.authenticate(username);
+ if (user != null) {
+ client.setUser(user);
+ return true;
+ }
+ log.warn("could not authenticate {} for SSH", username);
+ return false;
+ }
+}
--
Gitblit v1.9.1