1 /* $NetBSD: backend.c,v 1.3 2021/08/14 16:15:00 christos Exp $ */
2
3 /* backend.c - deals with backend subsystem */
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
25 #include <sys/cdefs.h>
26 __RCSID("$NetBSD: backend.c,v 1.3 2021/08/14 16:15:00 christos Exp $");
27
28 #include "portable.h"
29
30 #include <stdio.h>
31 #include <ac/string.h>
32
33 #include "slap.h"
34 #include "back-monitor.h"
35
36 /*
37 * initializes backend subentries
38 */
39 int
monitor_subsys_backend_init(BackendDB * be,monitor_subsys_t * ms)40 monitor_subsys_backend_init(
41 BackendDB *be,
42 monitor_subsys_t *ms
43 )
44 {
45 monitor_info_t *mi;
46 Entry *e_backend, **ep;
47 int i;
48 monitor_entry_t *mp;
49 monitor_subsys_t *ms_database;
50 BackendInfo *bi;
51
52 mi = ( monitor_info_t * )be->be_private;
53
54 ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
55 if ( ms_database == NULL ) {
56 Debug( LDAP_DEBUG_ANY,
57 "monitor_subsys_backend_init: "
58 "unable to get "
59 "\"" SLAPD_MONITOR_DATABASE_NAME "\" "
60 "subsystem\n" );
61 return -1;
62 }
63
64 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_backend ) ) {
65 Debug( LDAP_DEBUG_ANY,
66 "monitor_subsys_backend_init: "
67 "unable to get entry \"%s\"\n",
68 ms->mss_ndn.bv_val );
69 return( -1 );
70 }
71
72 mp = ( monitor_entry_t * )e_backend->e_private;
73 mp->mp_children = NULL;
74 ep = &mp->mp_children;
75
76 i = -1;
77 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) {
78 char buf[ BACKMONITOR_BUFSIZE ];
79 BackendDB *be;
80 struct berval bv;
81 int j;
82 Entry *e;
83
84 i++;
85
86 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Backend %d", i );
87 bv.bv_val = buf;
88
89 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
90 mi->mi_oc_monitoredObject, NULL, NULL );
91
92 if ( e == NULL ) {
93 Debug( LDAP_DEBUG_ANY,
94 "monitor_subsys_backend_init: "
95 "unable to create entry \"cn=Backend %d,%s\"\n",
96 i, ms->mss_ndn.bv_val );
97 return( -1 );
98 }
99
100 ber_str2bv( bi->bi_type, 0, 0, &bv );
101 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
102 &bv, NULL );
103 attr_merge_normalize_one( e_backend, mi->mi_ad_monitoredInfo,
104 &bv, NULL );
105
106 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
107 bi->bi_cf_ocs == NULL ? (struct berval *)&slap_false_bv :
108 (struct berval *)&slap_true_bv, NULL );
109
110 if ( bi->bi_controls ) {
111 int j;
112
113 for ( j = 0; bi->bi_controls[ j ]; j++ ) {
114 ber_str2bv( bi->bi_controls[ j ], 0, 0, &bv );
115 attr_merge_one( e, slap_schema.si_ad_supportedControl,
116 &bv, &bv );
117 }
118 }
119
120 j = -1;
121 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
122 char buf[ SLAP_LDAPDN_MAXLEN ];
123 struct berval dn;
124
125 j++;
126
127 if ( be->bd_info != bi ) {
128 continue;
129 }
130
131 snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
132 j, ms_database->mss_dn.bv_val );
133
134 ber_str2bv( buf, 0, 0, &dn );
135 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
136 &dn, NULL );
137 }
138
139 mp = monitor_entrypriv_create();
140 if ( mp == NULL ) {
141 return -1;
142 }
143 e->e_private = ( void * )mp;
144 mp->mp_info = ms;
145 mp->mp_flags = ms->mss_flags | MONITOR_F_SUB;
146
147 if ( monitor_cache_add( mi, e ) ) {
148 Debug( LDAP_DEBUG_ANY,
149 "monitor_subsys_backend_init: "
150 "unable to add entry \"cn=Backend %d,%s\"\n",
151 i,
152 ms->mss_ndn.bv_val );
153 return( -1 );
154 }
155
156 *ep = e;
157 ep = &mp->mp_next;
158 }
159
160 monitor_cache_release( mi, e_backend );
161
162 return( 0 );
163 }
164
165