/* modify.c - monitor backend modify routine */
/*
 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
 */
/*
 * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
 * 
 * This work has beed deveolped for the OpenLDAP Foundation 
 * in the hope that it may be useful to the Open Source community, 
 * but WITHOUT ANY WARRANTY.
 * 
 * Permission is granted to anyone to use this software for any purpose
 * on any computer system, and to alter it and redistribute it, subject
 * to the following restrictions:
 * 
 * 1. The author and SysNet s.n.c. are not responsible for the consequences
 *    of use of this software, no matter how awful, even if they arise from
 *    flaws in it.
 * 
 * 2. The origin of this software must not be misrepresented, either by
 *    explicit claim or by omission.  Since few users ever read sources,
 *    credits should appear in the documentation.
 * 
 * 3. Altered versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.  Since few users
 *    ever read sources, credits should appear in the documentation.
 *    SysNet s.n.c. cannot be responsible for the consequences of the
 *    alterations.
 * 
 * 4. This notice may not be removed or altered.
 */

#include "portable.h"

#include <stdio.h>

#include <ac/string.h>
#include <ac/socket.h>

#include "slap.h"
#include "back-monitor.h"
#include "proto-back-monitor.h"

int
monitor_back_modify( Operation *op, SlapReply *rs )
	/*
	Backend		*be,
	Connection	*conn,
	Operation	*op,
	struct berval	*dn,
	struct berval	*ndn,
	Modifications	*modlist
	*/
{
	int 			rc = 0;
	struct monitorinfo	*mi
		= (struct monitorinfo *) op->o_bd->be_private;
	Entry			*matched;
	Entry			*e;

#ifdef NEW_LOGGING
	LDAP_LOG( BACK_MON, ENTRY, "monitor_back_modify: enter\n", 0, 0, 0 );
#else
	Debug(LDAP_DEBUG_ARGS, "monitor_back_modify:\n", 0, 0, 0);
#endif

	/* acquire and lock entry */
	monitor_cache_dn2entry( mi, &op->o_req_ndn, &e, &matched );
	if ( e == NULL ) {
		rs->sr_err = LDAP_NO_SUCH_OBJECT;
		if ( matched ) {
			rs->sr_matched = matched->e_name.bv_val;
		}
		send_ldap_result( op, rs );
		if ( matched != NULL ) {
			rs->sr_matched = NULL;
			monitor_cache_release( mi, matched );
			return( 0 );
		}
	}

	if ( !acl_check_modlist( op, e, op->oq_modify.rs_modlist )) {
		rc = LDAP_INSUFFICIENT_ACCESS;
	} else {
		rc = monitor_entry_modify( mi, e, op->oq_modify.rs_modlist );
	}

	rs->sr_err = rc;
	send_ldap_result( op, rs );

	monitor_cache_release( mi, e );

	return( 0 );
}