1 /* $NetBSD: overlay.c,v 1.3 2021/08/14 16:15:00 christos Exp $ */
2
3 /* overlay.c - deals with overlay subsystem */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 2001-2021 The OpenLDAP Foundation.
7 * Portions Copyright 2001-2003 Pierangelo Masarati.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* ACKNOWLEDGEMENTS:
19 * This work was initially developed by Pierangelo Masarati for inclusion
20 * in OpenLDAP Software.
21 */
22
23
24 #include <sys/cdefs.h>
25 __RCSID("$NetBSD: overlay.c,v 1.3 2021/08/14 16:15:00 christos Exp $");
26
27 #include "portable.h"
28
29 #include <stdio.h>
30 #include <ac/string.h>
31
32 #include "slap.h"
33 #include "back-monitor.h"
34
35 /*
36 * initializes overlay subentries
37 */
38 int
monitor_subsys_overlay_init(BackendDB * be,monitor_subsys_t * ms)39 monitor_subsys_overlay_init(
40 BackendDB *be,
41 monitor_subsys_t *ms
42 )
43 {
44 monitor_info_t *mi;
45 Entry *e_overlay, **ep;
46 int i;
47 monitor_entry_t *mp;
48 slap_overinst *on;
49 monitor_subsys_t *ms_database;
50
51 mi = ( monitor_info_t * )be->be_private;
52
53 ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
54 if ( ms_database == NULL ) {
55 Debug( LDAP_DEBUG_ANY,
56 "monitor_subsys_backend_init: "
57 "unable to get "
58 "\"" SLAPD_MONITOR_DATABASE_NAME "\" "
59 "subsystem\n" );
60 return -1;
61 }
62
63 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) {
64 Debug( LDAP_DEBUG_ANY,
65 "monitor_subsys_overlay_init: "
66 "unable to get entry \"%s\"\n",
67 ms->mss_ndn.bv_val );
68 return( -1 );
69 }
70
71 mp = ( monitor_entry_t * )e_overlay->e_private;
72 mp->mp_children = NULL;
73 ep = &mp->mp_children;
74
75 for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) {
76 char buf[ BACKMONITOR_BUFSIZE ];
77 struct berval bv;
78 int j;
79 Entry *e;
80 BackendDB *be;
81
82 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i );
83 bv.bv_val = buf;
84 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
85 mi->mi_oc_monitoredObject, NULL, NULL );
86 if ( e == NULL ) {
87 Debug( LDAP_DEBUG_ANY,
88 "monitor_subsys_overlay_init: "
89 "unable to create entry \"cn=Overlay %d,%s\"\n",
90 i, ms->mss_ndn.bv_val );
91 return( -1 );
92 }
93 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
94 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
95 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
96 on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv :
97 (struct berval *)&slap_false_bv, NULL );
98
99 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
100 &bv, NULL );
101
102 j = -1;
103 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
104 char buf[ SLAP_LDAPDN_MAXLEN ];
105 struct berval dn;
106
107 j++;
108 if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
109 continue;
110 }
111
112 snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
113 j, ms_database->mss_dn.bv_val );
114
115 ber_str2bv( buf, 0, 0, &dn );
116 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
117 &dn, NULL );
118 }
119
120 mp = monitor_entrypriv_create();
121 if ( mp == NULL ) {
122 return -1;
123 }
124 e->e_private = ( void * )mp;
125 mp->mp_info = ms;
126 mp->mp_flags = ms->mss_flags
127 | MONITOR_F_SUB;
128
129 if ( monitor_cache_add( mi, e ) ) {
130 Debug( LDAP_DEBUG_ANY,
131 "monitor_subsys_overlay_init: "
132 "unable to add entry \"cn=Overlay %d,%s\"\n",
133 i, ms->mss_ndn.bv_val );
134 return( -1 );
135 }
136
137 *ep = e;
138 ep = &mp->mp_next;
139 }
140
141 monitor_cache_release( mi, e_overlay );
142
143 return( 0 );
144 }
145
146