Remove an ACL Entry in Cpp

The following code sample illustrates how to remove a TEACLEntry object from a TEACLInfo object.

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Code Sample

See the C++ environment settings for details on setting the project environment.

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<cpp_admin_acl_removeentry.cpp>

/*****************************************************************************************
*
*  cpp_admin_acl_removeentry.cpp
*
*
******************************************************************************************/

#include<string>
#include<iostream>
#include "teagent.h"
#include "teconnection.h"
#include "teexception.h"
#include "teauthuserctx.h"
#include "teobject.h"
#include "teadmin.h"

using namespace ERUCES;
using namespace std;

string generateTtag(string strServer, long nAdminPort, string strUser, string strPswd);

int main()
{
	string strServer    = "localhost";
	long   nAdminPort   = 8888;
	string strAdminUser = "ls";
	string strAdminPswd = "password";

	try
	{
		// Set the T-tag for which the ACLInfo will be got.
		string strTT = generateTtag(strServer, nAdminPort, strAdminUser, strAdminPswd);

		// Connect to server
		auto_ptr<TEConnection> conn = TEConnection::createInstance(TEConnection::SecureConnection);
		
		auto_ptr<TEUserAuthenticationContext> ctx = TEUserAuthenticationContext::getInstance();
		ctx->setUser(strAdminUser);
		ctx->setPasswd(strAdminPswd);

		conn->open(strServer, nAdminPort, *ctx.operator->());
		cout << "Connected to " << strServer << " as " << strAdminUser << endl;

		TEAdmin admin;
		admin.attachConnection(conn.operator->());
		
		TEACLInfo acl;
		admin.getACL(strTT, acl, true);

		cout << "ACLInfo: " << endl;
		cout << "\tACLID: "  << acl.getACLId() << endl;
		cout << "\tExpiration Flag: "  << acl.getKeyExpirationFlag() << endl;
		cout << "\tNumber of ACL entries: " << acl.EntryCount() << endl;

		long lSystemID; // for assignment late
		int i=0;
		TEObjectContainer cont;
		acl.getEntries(cont);
		for (i=0; i < cont.size(); ++i)
		{
			TEACLEntry *ent = (TEACLEntry*)cont[i];
			cout << endl;
			cout << "\tACLID: "             << ent->getACLId() << endl;
			cout << "\tACLRight: "          << ent->getACLRight() << endl;
			cout << "\tCreationTimestamp: " << ent->getCreationTimestamp() << endl;
			cout << "\tEndTimestamp: "      << ent->getEndTimestamp() << endl;
			cout << "\tMaxUsage: "          << ent->getMaxUsage() << endl;
			cout << "\tPrincipalId: "       << ent->getPrincipalId() << endl;
			cout << "\tStartTimestamp: "    << ent->getStartTimestamp() << endl;
			cout << "\tSystemID: "          << ent->getSystemID() << endl;
			cout << "\tUserRight: "         << ent->getUserRight() << endl;
			if (i==0)
				lSystemID = ent->getSystemID();
		}

		long lPrincipalID = 2001;

		// Create an ACL entry to add
		TEACLEntry ent2add;
		ent2add.setACLId( acl.getACLId() );
		ent2add.setPrincipalId(lPrincipalID);
		ent2add.setSystemID(lSystemID);
		ent2add.setStartTimestamp(0);
		ent2add.setEndTimestamp(0);
		ent2add.setACLRight(1);  // 1 read-only
		ent2add.setMaxUsage(0);
		ent2add.setUserRight(1);

		acl.clearEntry();
		acl.addEntry( ent2add );

		// Update the server, the ACL entry will be added.
		admin.updateACL(ACLENTRY_ADD, acl);

		cout << endl;
		cout << "A new entry was added to ACLInfo. " << endl;

		// Get the updated info.
		admin.getACL(strTT, acl, true);
		cout << "ACLInfo: " << endl;
		cout << "\tACLID: "  << acl.getACLId() << endl;
		cout << "\tExpiration Flag: "  << acl.getKeyExpirationFlag() << endl;
		cout << "\tNumber of ACL entries: " << acl.EntryCount() << endl;
		
		TEObject * pOjb = NULL;   // ACL entry to be removed.
		acl.getEntries(cont);
		for (i=0; i < cont.size(); ++i)
		{
			TEACLEntry *ent = (TEACLEntry *)cont[i];
			cout << endl;
			cout << "\tACLID: "             << ent->getACLId() << endl;
			cout << "\tACLRight: "          << ent->getACLRight() << endl;
			cout << "\tCreationTimestamp: " << ent->getCreationTimestamp() << endl;
			cout << "\tEndTimestamp: "      << ent->getEndTimestamp() << endl;
			cout << "\tMaxUsage: "          << ent->getMaxUsage() << endl;
			cout << "\tPrincipalId: "       << ent->getPrincipalId() << endl;
			cout << "\tStartTimestamp: "    << ent->getStartTimestamp() << endl;
			cout << "\tSystemID: "          << ent->getSystemID() << endl;
			cout << "\tUserRight: "         << ent->getUserRight() << endl;

			if ( ent->getPrincipalId() == lPrincipalID )
			{
				pOjb = ent->clone();
			}
		}

		// Remove ACL entry
		if (pOjb)
		{
			TEACLEntry * pEnt2remove = static_cast<TEACLEntry *>(pOjb);

			acl.clearEntry();
			acl.addEntry( *pEnt2remove );

			delete pOjb;  

			// Update the server, the ACL entry will be removed.
			admin.updateACL(ACLENTRY_REMOVE, acl);

			cout << endl;
			cout << "ACLInfo was updated. " << endl;

			// Get the updated info.
			admin.getACL(strTT, acl, true);
			cout << "ACLInfo: " << endl;
			cout << "\tACLID: "  << acl.getACLId() << endl;
			cout << "\tExpiration Flag: "  << acl.getKeyExpirationFlag() << endl;
			cout << "\tNumber of ACL entries: " << acl.EntryCount() << endl;
			TEObjectContainer cont;
			acl.getEntries(cont);
			for ( i=0; i < cont.size(); ++i)
			{
				TEACLEntry *ent = (TEACLEntry*)cont[i];
				cout << endl;
				cout << "\tACLID: "             << ent->getACLId() << endl;
				cout << "\tACLRight: "          << ent->getACLRight() << endl;
				cout << "\tCreationTimestamp: " << ent->getCreationTimestamp() << endl;
				cout << "\tEndTimestamp: "      << ent->getEndTimestamp() << endl;
				cout << "\tMaxUsage: "          << ent->getMaxUsage() << endl;
				cout << "\tPrincipalId: "       << ent->getPrincipalId() << endl;
				cout << "\tStartTimestamp: "    << ent->getStartTimestamp() << endl;
				cout << "\tSystemID: "          << ent->getSystemID() << endl;
				cout << "\tUserRight: "         << ent->getUserRight() << endl;
			}
		}
		else
			cout << "ACL entry was not found." << endl;

		admin.detachConnection();

		// Disconnect from server
		conn->close();
		cout << "disconnected from " << strServer << endl;
	}
	catch (TEException &e)
	{
		cout << e.getAllMessages().c_str() << endl;
	}
	catch (...)
	{
		cout << "Unexpected error" << endl;
	}

	return 0;
}

string generateTtag(string strServer, long nAdminPort, string strUser, string strPswd)
{
	string strTtag = "";

	auto_ptr<TEConnection> conn = TEConnection::createInstance(TEConnection::NormalConnection);
	
	// Open connection to the server
	conn->open(strServer, nAdminPort, strUser, strPswd);

	cout << "Connected to " << strServer << " at " << nAdminPort 
		<< " as " << strUser << "\n" << endl; 

	// Create TEAgentMatrix object
	TEAgentMatrix matrix;   

	// Set matrix for encryption
	matrix.setElement(1, 1, "dummy data for creating Ttag");  // set element (1, 1)

	// Encrypt matrix
	matrix.attachConnection(conn.operator->());  // Attach connection
	matrix.encrypt();
	matrix.detachConnection();  // Detach connection

	// Get T-tag
	matrix.setEncodeMode(true);

	matrix.getTtag(1, strTtag);  // Ttag for first row

	cout << "T-tag: " << strTtag << endl;

	// Close conneciton
	conn->close();
	cout << "Disconnected from " << strServer << endl;

	return strTtag;
}

Output
Connected to localhost at 8888 as ls

T-tag: AAAAAWg1xjcQTXW6DwnQi6a2cjBWJTz54d0k4qW4i4nt4+j1Pdu/bQ==
Disconnected from localhost
Connected to localhost as ls
ACLInfo:
        ACLID: 1012
        Expiration Flag: 0
        Number of ACL entries: 1

        ACLID: 1012
        ACLRight: 7
        CreationTimestamp: 1124121726
        EndTimestamp: 0
        MaxUsage: 4294967295
        PrincipalId: 1001
        StartTimestamp: 0
        SystemID: 1
        UserRight: 0

A new entry was added to ACLInfo.
ACLInfo:
        ACLID: 1012
        Expiration Flag: 0
        Number of ACL entries: 2

        ACLID: 1012
        ACLRight: 7
        CreationTimestamp: 1124121726
        EndTimestamp: 0
        MaxUsage: 4294967295
        PrincipalId: 1001
        StartTimestamp: 0
        SystemID: 1
        UserRight: 0

        ACLID: 1012
        ACLRight: 1
        CreationTimestamp: 1124121726
        EndTimestamp: 0
        MaxUsage: 0
        PrincipalId: 2001
        StartTimestamp: 0
        SystemID: 1
        UserRight: 1

ACLInfo was updated.
ACLInfo:
        ACLID: 1012
        Expiration Flag: 0
        Number of ACL entries: 1

        ACLID: 1012
        ACLRight: 7
        CreationTimestamp: 1124121726
        EndTimestamp: 0
        MaxUsage: 4294967295
        PrincipalId: 1001
        StartTimestamp: 0
        SystemID: 1
        UserRight: 0
disconnected from localhost