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 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