xref: /netbsd-src/external/bsd/openldap/dist/servers/slapd/back-monitor/compare.c (revision 549b59ed3ccf0d36d3097190a0db27b770f3a839)
1 /*	$NetBSD: compare.c,v 1.3 2021/08/14 16:15:00 christos Exp $	*/
2 
3 /* compare.c - monitor backend compare routine */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6  *
7  * Copyright 2001-2021 The OpenLDAP Foundation.
8  * Portions Copyright 2001-2003 Pierangelo Masarati.
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 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 Pierangelo Masarati for inclusion
21  * in OpenLDAP Software.
22  */
23 
24 #include <sys/cdefs.h>
25 __RCSID("$NetBSD: compare.c,v 1.3 2021/08/14 16:15:00 christos Exp $");
26 
27 #include "portable.h"
28 
29 #include <stdio.h>
30 
31 #include <slap.h>
32 #include "back-monitor.h"
33 
34 int
monitor_back_compare(Operation * op,SlapReply * rs)35 monitor_back_compare( Operation *op, SlapReply *rs )
36 {
37 	monitor_info_t	*mi = ( monitor_info_t * ) op->o_bd->be_private;
38 	Entry           *e, *matched = NULL;
39 	int		rc;
40 
41 	/* get entry with reader lock */
42 	monitor_cache_dn2entry( op, rs, &op->o_req_ndn, &e, &matched );
43 	if ( e == NULL ) {
44 		rs->sr_err = LDAP_NO_SUCH_OBJECT;
45 		if ( matched ) {
46 			if ( !access_allowed_mask( op, matched,
47 					slap_schema.si_ad_entry,
48 					NULL, ACL_DISCLOSE, NULL, NULL ) )
49 			{
50 				/* do nothing */ ;
51 			} else {
52 				rs->sr_matched = matched->e_dn;
53 			}
54 		}
55 		send_ldap_result( op, rs );
56 		if ( matched ) {
57 			monitor_cache_release( mi, matched );
58 			rs->sr_matched = NULL;
59 		}
60 
61 		return rs->sr_err;
62 	}
63 
64 	monitor_entry_update( op, rs, e );
65 	rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
66 	rc = rs->sr_err;
67 	switch ( rc ) {
68 	case LDAP_COMPARE_FALSE:
69 	case LDAP_COMPARE_TRUE:
70 		rc = LDAP_SUCCESS;
71 		break;
72 	}
73 
74 	send_ldap_result( op, rs );
75 	rs->sr_err = rc;
76 
77 	monitor_cache_release( mi, e );
78 
79 	return rs->sr_err;
80 }
81 
82