1 /* $NetBSD: delete.c,v 1.3 2021/08/14 16:15:00 christos Exp $ */
2
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2021 The OpenLDAP Foundation.
7 * Portions Copyright 2001-2003 Pierangelo Masarati.
8 * Portions Copyright 1999-2003 Howard Chu.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in the file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19 /* ACKNOWLEDGEMENTS:
20 * This work was initially developed by the Howard Chu for inclusion
21 * in OpenLDAP Software and subsequently enhanced by Pierangelo
22 * Masarati.
23 */
24
25 #include <sys/cdefs.h>
26 __RCSID("$NetBSD: delete.c,v 1.3 2021/08/14 16:15:00 christos Exp $");
27
28 #include "portable.h"
29
30 #include <stdio.h>
31
32 #include <ac/string.h>
33 #include <ac/socket.h>
34
35 #include "slap.h"
36 #include "../back-ldap/back-ldap.h"
37 #include "back-meta.h"
38
39 int
meta_back_delete(Operation * op,SlapReply * rs)40 meta_back_delete( Operation *op, SlapReply *rs )
41 {
42 metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
43 metatarget_t *mt;
44 metaconn_t *mc = NULL;
45 int candidate = -1;
46 struct berval mdn = BER_BVNULL;
47 dncookie dc;
48 int msgid;
49 ldap_back_send_t retrying = LDAP_BACK_RETRYING;
50 LDAPControl **ctrls = NULL;
51
52 mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
53 if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
54 return rs->sr_err;
55 }
56
57 assert( mc->mc_conns[ candidate ].msc_ld != NULL );
58
59 /*
60 * Rewrite the compare dn, if needed
61 */
62 mt = mi->mi_targets[ candidate ];
63 dc.target = mt;
64 dc.conn = op->o_conn;
65 dc.rs = rs;
66 dc.ctx = "deleteDN";
67
68 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
69 send_ldap_result( op, rs );
70 goto cleanup;
71 }
72
73 retry:;
74 ctrls = op->o_ctrls;
75 if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
76 {
77 send_ldap_result( op, rs );
78 goto cleanup;
79 }
80
81 rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld,
82 mdn.bv_val, ctrls, NULL, &msgid );
83 rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
84 mt->mt_timeout[ SLAP_OP_DELETE ], ( LDAP_BACK_SENDRESULT | retrying ) );
85 if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
86 retrying &= ~LDAP_BACK_RETRYING;
87 if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
88 /* if the identity changed, there might be need to re-authz */
89 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
90 goto retry;
91 }
92 }
93
94 cleanup:;
95 (void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
96
97 if ( mdn.bv_val != op->o_req_dn.bv_val ) {
98 free( mdn.bv_val );
99 BER_BVZERO( &mdn );
100 }
101
102 if ( mc ) {
103 meta_back_release_conn( mi, mc );
104 }
105
106 return rs->sr_err;
107 }
108
109