- Implementation of ACL plugin

- Apply ACL to Exchange, Queue, Binding, Subscribe
- Follow Java ACL types, few added

To complete the implementation of ACL the following items are remaining.
- ACL on message transfer
- ACL on MGNT commands
- Reading ACL from File, into auth map.




git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@681479 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 269 insertions, 0 deletions

diff --git a/cpp/src/qpid/acl/Acl.cpp b/cpp/src/qpid/acl/Acl.cpp
new file mode 100644
index 0000000000..3f78317d82
--- /dev/null
+++ b/cpp/src/qpid/acl/Acl.cpp
@@ -0,0 +1,105 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * 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.
+ *
+ */
+
+#include "Acl.h"
+
+
+#include "qpid/broker/Broker.h"
+#include "qpid/cluster/Cluster.h"
+#include "qpid/Plugin.h"
+#include "qpid/Options.h"
+#include "qpid/shared_ptr.h"
+
+#include <boost/utility/in_place_factory.hpp>
+
+namespace qpid {
+namespace acl {
+
+using namespace std;
+
+   Acl::Acl (AclValues& av, broker::Broker& b): aclValues(av), broker(&b)
+   {
+       if (!readAclFile()) throw Exception("Could not read ACL file");
+	   QPID_LOG(info, "ACL Plugin loaded");
+
+   }
+
+   std::string Acl::printAction(acl::Action action)
+   {
+      switch (action)
+	  {
+	   case CONSUME: return "Consume";
+	   case PUBLISH: return "Publish";
+	   case CREATE: return "Create";
+	   case ACCESS: return "Access";
+	   case BIND: return "Bind";
+	   case UNBIND: return "Unbind";
+	   case DELETE: return "Delete";
+	   case PURGE: return "Purge";
+	   default: return "Unknown";
+	  }
+   }
+   
+   std::string Acl::printObjType(acl::ObjectType objType)
+   {
+      switch (objType)
+	  {
+      case QUEUE: return "Queue";
+	  case EXCHANGE: return "Exchnage";
+	  case ROUTINGKEY: return "RoutingKey";
+	  case SESSION: return "Session";
+	  default: return "Unknown";
+	  }
+   }
+
+   bool Acl::authorise(std::string id, acl::Action action, acl::ObjectType objType, std::string name, std::map<std::string, std::string>*
+   /*params*/)
+   {
+      if (aclValues.noEnforce) return true;
+   
+      // add real ACL check here... 
+      AclResult aclreslt = ALLOWLOG;  // hack to test, set based on real decision.
+	  
+	  switch (aclreslt)
+	  {
+	  case ALLOWLOG:
+          QPID_LOG(info, "ACL Allow log id:" << id <<" action:" << printAction(action) << " ObjectType:" << printObjType(objType) << " Name:" << name );  
+	  case ALLOW:
+	      return true;
+	  case DENYNOLOG:
+	      return false;
+	  case DENY:
+	  default:
+	      QPID_LOG(info, "ACL Deny id:" << id << " action:" << printAction(action) << " ObjectType:" << printObjType(objType) << " Name:" << name);  
+	      return false;
+	  }
+   
+      return false;  
+   }
+   
+   bool Acl::readAclFile()
+   {
+   
+      return true;
+   }
+
+   Acl::~Acl(){}
+
+
+    
+}} // namespace qpid::acl
diff --git a/cpp/src/qpid/acl/Acl.h b/cpp/src/qpid/acl/Acl.h
new file mode 100644
index 0000000000..98400eb33d
--- /dev/null
+++ b/cpp/src/qpid/acl/Acl.h
@@ -0,0 +1,75 @@
+#ifndef QPID_ACL_ACL_H
+#define QPID_ACL_ACL_H
+
+
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * 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.
+ *
+ */
+
+
+
+#include "qpid/shared_ptr.h"
+#include "qpid/RefCounted.h"
+#include "qpid/broker/AclModule.h"
+#include <map>
+#include <string>
+
+
+namespace qpid {
+namespace broker {
+class Broker;
+}
+
+namespace acl {
+
+struct AclValues {
+    public:
+	bool noEnforce;
+    std::string aclFile;
+
+    AclValues() {noEnforce = false; aclFile = "policy.acl"; }
+};
+
+
+class Acl : public broker::AclModule, public RefCounted 
+{
+
+public:
+   Acl (AclValues& av, broker::Broker& b);
+
+   void initialize();
+   
+   virtual bool authorise(std::string id, acl::Action action, acl::ObjectType objType, std::string name, std::map<std::string, std::string>* params);
+   // create specilied authorise methods for cases that need faster matching as needed.
+
+   virtual ~Acl();
+private:
+   std::string printAction(acl::Action action);
+   std::string printObjType(acl::ObjectType objType);
+
+   acl::AclValues aclValues;
+   broker::Broker* broker;
+   
+   bool readAclFile();
+      
+};
+
+
+    
+}} // namespace qpid::acl
+
+#endif // QPID_ACL_ACL_H
diff --git a/cpp/src/qpid/acl/AclPlugin.cpp b/cpp/src/qpid/acl/AclPlugin.cpp
new file mode 100644
index 0000000000..8bc00e6a96
--- /dev/null
+++ b/cpp/src/qpid/acl/AclPlugin.cpp
@@ -0,0 +1,89 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * 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.
+ *
+ */
+
+#include "qpid/acl/Acl.h"
+#include "qpid/broker/Broker.h"
+#include "qpid/Plugin.h"
+#include "qpid/Options.h"
+#include "qpid/shared_ptr.h"
+#include "qpid/log/Statement.h"
+
+#include <boost/utility/in_place_factory.hpp>
+
+namespace qpid {
+namespace acl {
+
+using namespace std;
+
+/** Note separating options from values to work around boost version differences.
+ *  Old boost takes a reference to options objects, but new boost makes a copy.
+ *  New boost allows a shared_ptr but that's not compatible with old boost.
+ */
+struct AclOptions : public Options {
+    AclValues& values; 
+
+    AclOptions(AclValues& v) : Options("ACL Options"), values(v) {
+        addOptions()
+            ("no-enforce-acl", optValue(values.noEnforce), "Do not enforce ACL")
+            ("acl-file", optValue(values.aclFile, "FILE"), "The policy file to load from, loaded from data dir")
+            ;
+    }
+};
+
+struct AclPlugin : public Plugin {
+
+    AclValues values;
+    AclOptions options;
+    boost::intrusive_ptr<Acl> acl;
+    
+    AclPlugin() : options(values) {}
+
+    Options* getOptions() { return &options; }
+
+    void init(broker::Broker& b) {
+        if (values.noEnforce){
+		    QPID_LOG(info, "ACL Disabled, no ACL checking being done.");
+			return;  
+		}
+        if (acl) throw Exception("ACL plugin cannot be initialized twice in one process.");
+        acl = new Acl(values, b);
+		b.setAcl(acl.get());
+        b.addFinalizer(boost::bind(&AclPlugin::shutdown, this));
+    }
+
+    template <class T> bool init(Plugin::Target& target) {
+        T* t = dynamic_cast<T*>(&target);
+        if (t) init(*t);
+        return t;
+    }
+
+    void earlyInitialize(Plugin::Target&) {}
+
+    void initialize(Plugin::Target& target) {
+        init<broker::Broker>(target);
+    }
+
+    void shutdown() { acl = 0; }
+};
+
+static AclPlugin instance; // Static initialization.
+
+// For test purposes.
+boost::intrusive_ptr<Acl> getGlobalAcl() { return instance.acl; }
+    
+}} // namespace qpid::acl