1/*	$NetBSD: delete.c,v 1.3 2021/08/14 16:14:59 christos Exp $	*/
2
3/* delete.c - ldap backend delete function */
4/* $OpenLDAP$ */
5/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2003-2021 The OpenLDAP Foundation.
8 * Portions Copyright 1999-2003 Howard Chu.
9 * Portions Copyright 2000-2003 Pierangelo Masarati.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted only as authorized by the OpenLDAP
14 * Public License.
15 *
16 * A copy of this license is available in the file LICENSE in the
17 * top-level directory of the distribution or, alternatively, at
18 * <http://www.OpenLDAP.org/license.html>.
19 */
20/* ACKNOWLEDGEMENTS:
21 * This work was initially developed by the Howard Chu for inclusion
22 * in OpenLDAP Software and subsequently enhanced by Pierangelo
23 * Masarati.
24 */
25
26#include <sys/cdefs.h>
27__RCSID("$NetBSD: delete.c,v 1.3 2021/08/14 16:14:59 christos Exp $");
28
29#include "portable.h"
30
31#include <stdio.h>
32
33#include <ac/string.h>
34#include <ac/socket.h>
35
36#include "slap.h"
37#include "back-ldap.h"
38
39int
40ldap_back_delete(
41		Operation	*op,
42		SlapReply	*rs )
43{
44	ldapinfo_t		*li = (ldapinfo_t *)op->o_bd->be_private;
45
46	ldapconn_t		*lc = NULL;
47	ber_int_t		msgid;
48	LDAPControl		**ctrls = NULL;
49	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
50	int			rc = LDAP_SUCCESS;
51
52	if ( !ldap_back_dobind( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
53		return rs->sr_err;
54	}
55
56retry:
57	ctrls = op->o_ctrls;
58	rc = ldap_back_controls_add( op, rs, lc, &ctrls );
59	if ( rc != LDAP_SUCCESS ) {
60		send_ldap_result( op, rs );
61		goto cleanup;
62	}
63
64	rs->sr_err = ldap_delete_ext( lc->lc_ld, op->o_req_dn.bv_val,
65			ctrls, NULL, &msgid );
66	rc = ldap_back_op_result( lc, op, rs, msgid,
67		li->li_timeout[ SLAP_OP_DELETE ],
68		( LDAP_BACK_SENDRESULT | retrying ) );
69	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
70		retrying &= ~LDAP_BACK_RETRYING;
71		if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
72			/* if the identity changed, there might be need to re-authz */
73			(void)ldap_back_controls_free( op, rs, &ctrls );
74			goto retry;
75		}
76	}
77
78	ldap_pvt_thread_mutex_lock( &li->li_counter_mutex );
79	ldap_pvt_mp_add( li->li_ops_completed[ SLAP_OP_DELETE ], 1 );
80	ldap_pvt_thread_mutex_unlock( &li->li_counter_mutex );
81
82cleanup:
83	(void)ldap_back_controls_free( op, rs, &ctrls );
84
85	if ( lc != NULL ) {
86		ldap_back_release_conn( li, lc );
87	}
88
89	return rs->sr_err;
90}
91