/** BEGIN COPYRIGHT BLOCK
 * This Program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; version 2 of the License.
 * 
 * This Program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 * 
 * In addition, as a special exception, Red Hat, Inc. gives You the additional
 * right to link the code of this Program with code not covered under the GNU
 * General Public License ("Non-GPL Code") and to distribute linked combinations
 * including the two, subject to the limitations in this paragraph. Non-GPL Code
 * permitted under this exception must only link to the code of this Program
 * through those well defined interfaces identified in the file named EXCEPTION
 * found in the source code files (the "Approved Interfaces"). The files of
 * Non-GPL Code may instantiate templates or use macros or inline functions from
 * the Approved Interfaces without causing the resulting work to be covered by
 * the GNU General Public License. Only Red Hat, Inc. may make changes or
 * additions to the list of Approved Interfaces. You must obey the GNU General
 * Public License in all respects for all of the Program code and other code used
 * in conjunction with the Program except the Non-GPL Code covered by this
 * exception. If you modify this file, you may extend this exception to your
 * version of the file, but you are not obligated to do so. If you do not wish to
 * provide this exception without modification, you must delete this exception
 * statement from your version and license this file solely under the GPL without
 * exception. 
 * 
 * 
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

/*
 * Requests an extended operation with the OID 1.2.3.4.
 * Use this client in conjunction with a server that can process
 * this extended operation.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#include <ldap.h>

/* Name and port of the LDAP server you want to connect to. */
#define MY_HOST "localhost"
#define MY_PORT	389

/* DN of user (and password of user) who you want to authenticate as */
#define MGR_DN	"cn=Directory Manager"
#define MGR_PW	"23skidoo"

int
main( int argc, char **argv )
{

    /* OID of the extended operation that you are requesting */
    const char *oidrequest = "1.2.3.4";
    char *oidresult;
    struct berval valrequest;
    struct berval *valresult;
    LDAP *ld;
    int rc, version;

    /* Set up the value that you want to pass to the server */
    printf( "Setting up value to pass to server...\n" );
    valrequest.bv_val = "My Value";
    valrequest.bv_len = strlen( "My Value" );

    /* Get a handle to an LDAP connection */
    printf( "Getting the handle to the LDAP connection...\n" );
    if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
	perror( "ldap_init" );
	ldap_unbind( ld );
	return( 1 );
    }

    /* Set the LDAP protocol version supported by the client
       to 3. (By default, this is set to 2. Extended operations
       are part of version 3 of the LDAP protocol.) */
    ldap_get_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
    printf( "Resetting version %d to 3.0...\n", version );
    version = LDAP_VERSION3;
    ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );

    /* Authenticate to the directory as the Directory Manager */
    printf( "Binding to the directory...\n" );
    if ( ldap_simple_bind_s( ld, MGR_DN, MGR_PW ) != LDAP_SUCCESS ) {
	ldap_perror( ld, "ldap_simple_bind_s" );
	ldap_unbind( ld );
	return( 1 );
    }

    /* Initiate the extended operation */
    printf( "Initiating the extended operation...\n" );
    if ( ( rc = ldap_extended_operation_s( ld, oidrequest, &valrequest, NULL, NULL, &oidresult, &valresult ) ) != LDAP_SUCCESS ) {
	ldap_perror( ld, "ldap_extended failed: " );
	ldap_unbind( ld );
	return( 1 );
    } 

    /* Get the OID and the value from the result returned by the server. */
    printf( "Operation successful.\n" );
    printf( "\tReturned OID: %s\n", oidresult );
    printf( "\tReturned value: %s\n", valresult->bv_val );

    /* Disconnect from the server. */
    ldap_unbind( ld );
    return 0;
}