/* delete.c - ldap backend delete function */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 2003 The OpenLDAP Foundation.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in the file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */
/* ACKNOWLEDGEMENTS:
 * This work was initially developed by the Howard Chu for inclusion
 * in OpenLDAP Software and subsequently enhanced by Pierangelo
 * Masarati.
 */
/* This is an altered version */
/*
 * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
 * 
 * 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 is 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.
 * 
 * 4. This notice may not be removed or altered.
 *
 *
 *
 * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
 * 
 * This software is being modified by Pierangelo Masarati.
 * The previously reported conditions apply to the modified code as well.
 * Changes in the original code are highlighted where required.
 * Credits for the original code go to the author, Howard Chu.
 */

#include "portable.h"

#include <stdio.h>

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

#include "slap.h"
#include "back-ldap.h"

int
ldap_back_delete(
    Operation	*op,
    SlapReply	*rs )
{
	struct ldapinfo	*li = (struct ldapinfo *) op->o_bd->be_private;
	struct ldapconn *lc;
	ber_int_t msgid;
	dncookie dc;
#ifdef LDAP_BACK_PROXY_AUTHZ 
	LDAPControl **ctrls = NULL;
	int rc = LDAP_SUCCESS;
#endif /* LDAP_BACK_PROXY_AUTHZ */

	struct berval mdn = { 0, NULL };

	lc = ldap_back_getconn( op, rs );
	
	if ( !lc || !ldap_back_dobind( lc, op, rs ) ) {
		return( -1 );
	}

	/*
	 * Rewrite the request dn, if needed
	 */
	dc.rwmap = &li->rwmap;
#ifdef ENABLE_REWRITE
	dc.conn = op->o_conn;
	dc.rs = rs;
	dc.ctx = "deleteDn";
#else
	dc.tofrom = 1;
	dc.normalized = 0;
#endif
	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
		send_ldap_result( op, rs );
		return -1;
	}

#ifdef LDAP_BACK_PROXY_AUTHZ
	rc = ldap_back_proxy_authz_ctrl( lc, op, rs, &ctrls );
	if ( rc != LDAP_SUCCESS ) {
		goto cleanup;
	}
#endif /* LDAP_BACK_PROXY_AUTHZ */

	rs->sr_err = ldap_delete_ext( lc->ld, mdn.bv_val,
#ifdef LDAP_BACK_PROXY_AUTHZ
			ctrls,
#else /* ! LDAP_BACK_PROXY_AUTHZ */
			op->o_ctrls,
#endif /* ! LDAP_BACK_PROXY_AUTHZ */
			NULL, &msgid );

#ifdef LDAP_BACK_PROXY_AUTHZ
cleanup:
	if ( ctrls && ctrls != op->o_ctrls ) {
		free( ctrls[ 0 ] );
		free( ctrls );
	}
#endif /* LDAP_BACK_PROXY_AUTHZ */

	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
		free( mdn.bv_val );
	}

#ifdef LDAP_BACK_PROXY_AUTHZ
	if ( rc != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		return -1;
	}
#endif /* LDAP_BACK_PROXY_AUTHZ */

	return( ldap_back_op_result( lc, op, rs, msgid, 1 ) );
}