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[openldap] / servers / slapd / back-monitor / compare.c
1 /* compare.c - monitor backend compare routine */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 2001-2013 The OpenLDAP Foundation.
6  * Portions Copyright 2001-2003 Pierangelo Masarati.
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 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 Pierangelo Masarati for inclusion
19  * in OpenLDAP Software.
20  */
21
22 #include "portable.h"
23
24 #include <stdio.h>
25
26 #include <slap.h>
27 #include "back-monitor.h"
28
29 int
30 monitor_back_compare( Operation *op, SlapReply *rs )
31 {
32         monitor_info_t  *mi = ( monitor_info_t * ) op->o_bd->be_private;
33         Entry           *e, *matched = NULL;
34         int             rc;
35
36         /* get entry with reader lock */
37         monitor_cache_dn2entry( op, rs, &op->o_req_ndn, &e, &matched );
38         if ( e == NULL ) {
39                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
40                 if ( matched ) {
41                         if ( !access_allowed_mask( op, matched,
42                                         slap_schema.si_ad_entry,
43                                         NULL, ACL_DISCLOSE, NULL, NULL ) )
44                         {
45                                 /* do nothing */ ;
46                         } else {
47                                 rs->sr_matched = matched->e_dn;
48                         }
49                 }
50                 send_ldap_result( op, rs );
51                 if ( matched ) {
52                         monitor_cache_release( mi, matched );
53                         rs->sr_matched = NULL;
54                 }
55
56                 return rs->sr_err;
57         }
58
59         monitor_entry_update( op, rs, e );
60         rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
61         rc = rs->sr_err;
62         switch ( rc ) {
63         case LDAP_COMPARE_FALSE:
64         case LDAP_COMPARE_TRUE:
65                 rc = LDAP_SUCCESS;
66                 break;
67         }
68                 
69         send_ldap_result( op, rs );
70         rs->sr_err = rc;
71
72         monitor_cache_release( mi, e );
73
74         return rs->sr_err;
75 }
76