/* modify.c - monitor backend modify routine */
/*
 * Copyright 1998-2002 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(
    Backend	*be,
    Connection	*conn,
    Operation	*op,
    struct berval	*dn,
    struct berval	*ndn,
    Modifications	*modlist
)
{
	int 		rc = 0;
	struct monitorinfo	*mi = (struct monitorinfo *) be->be_private;
	Entry		*matched;
	Entry		*e;

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

	/* acquire and lock entry */
	monitor_cache_dn2entry( mi, ndn, &e, &matched );
	if ( e == NULL ) {
		send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
				matched ? matched->e_dn : NULL,
				NULL, NULL, NULL );
		if ( matched != NULL ) {
			monitor_cache_release( mi, matched );
			return( 0 );
		}
	}

	if ( !acl_check_modlist( be, conn, op, e, modlist )) {
		rc = LDAP_INSUFFICIENT_ACCESS;
	} else {
		rc = monitor_entry_modify( mi, e, modlist );
	}

	send_ldap_result( conn, op, rc, NULL, NULL, NULL, NULL );

	monitor_cache_release( mi, e );

	return( 0 );
}