1/* $OpenLDAP$ */
2/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2011 The OpenLDAP Foundation.
5 * Portions Copyright 2001-2003 Pierangelo Masarati.
6 * Portions Copyright 1999-2003 Howard Chu.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
16 */
17/* ACKNOWLEDGEMENTS:
18 * This work was initially developed by the Howard Chu for inclusion
19 * in OpenLDAP Software and subsequently enhanced by Pierangelo
20 * Masarati.
21 */
22
23#include "portable.h"
24
25#include <stdio.h>
26
27#include <ac/string.h>
28#include <ac/socket.h>
29
30#include "slap.h"
31#include "../back-ldap/back-ldap.h"
32#include "back-meta.h"
33
34int
35meta_back_delete( Operation *op, SlapReply *rs )
36{
37	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
38	metatarget_t	*mt;
39	metaconn_t	*mc = NULL;
40	int		candidate = -1;
41	struct berval	mdn = BER_BVNULL;
42	dncookie	dc;
43	int		msgid;
44	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
45	LDAPControl	**ctrls = NULL;
46
47	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
48	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
49		return rs->sr_err;
50	}
51
52	assert( mc->mc_conns[ candidate ].msc_ld != NULL );
53
54	/*
55	 * Rewrite the compare dn, if needed
56	 */
57	mt = mi->mi_targets[ candidate ];
58	dc.target = mt;
59	dc.conn = op->o_conn;
60	dc.rs = rs;
61	dc.ctx = "deleteDN";
62
63	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
64		send_ldap_result( op, rs );
65		goto cleanup;
66	}
67
68retry:;
69	ctrls = op->o_ctrls;
70	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
71	{
72		send_ldap_result( op, rs );
73		goto cleanup;
74	}
75
76	rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld,
77			mdn.bv_val, ctrls, NULL, &msgid );
78	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
79		mt->mt_timeout[ SLAP_OP_DELETE ], ( LDAP_BACK_SENDRESULT | retrying ) );
80	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
81		retrying &= ~LDAP_BACK_RETRYING;
82		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
83			/* if the identity changed, there might be need to re-authz */
84			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
85			goto retry;
86		}
87	}
88
89cleanup:;
90	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
91
92	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
93		free( mdn.bv_val );
94		BER_BVZERO( &mdn );
95	}
96
97	if ( mc ) {
98		meta_back_release_conn( mi, mc );
99	}
100
101	return rs->sr_err;
102}
103
104