1 /* $NetBSD: backend.c,v 1.2 2020/08/11 13:15:41 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 2001-2020 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 1.2 2020/08/11 13:15:41 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 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 0, 0, 0 ); 62 return -1; 63 } 64 65 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_backend ) ) { 66 Debug( LDAP_DEBUG_ANY, 67 "monitor_subsys_backend_init: " 68 "unable to get entry \"%s\"\n", 69 ms->mss_ndn.bv_val, 0, 0 ); 70 return( -1 ); 71 } 72 73 mp = ( monitor_entry_t * )e_backend->e_private; 74 mp->mp_children = NULL; 75 ep = &mp->mp_children; 76 77 i = -1; 78 LDAP_STAILQ_FOREACH( bi, &backendInfo, bi_next ) { 79 char buf[ BACKMONITOR_BUFSIZE ]; 80 BackendDB *be; 81 struct berval bv; 82 int j; 83 Entry *e; 84 85 i++; 86 87 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Backend %d", i ); 88 bv.bv_val = buf; 89 90 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv, 91 mi->mi_oc_monitoredObject, NULL, NULL ); 92 93 if ( e == NULL ) { 94 Debug( LDAP_DEBUG_ANY, 95 "monitor_subsys_backend_init: " 96 "unable to create entry \"cn=Backend %d,%s\"\n", 97 i, ms->mss_ndn.bv_val, 0 ); 98 return( -1 ); 99 } 100 101 ber_str2bv( bi->bi_type, 0, 0, &bv ); 102 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, 103 &bv, NULL ); 104 attr_merge_normalize_one( e_backend, mi->mi_ad_monitoredInfo, 105 &bv, NULL ); 106 107 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig, 108 bi->bi_cf_ocs == NULL ? (struct berval *)&slap_false_bv : 109 (struct berval *)&slap_true_bv, NULL ); 110 111 if ( bi->bi_controls ) { 112 int j; 113 114 for ( j = 0; bi->bi_controls[ j ]; j++ ) { 115 ber_str2bv( bi->bi_controls[ j ], 0, 0, &bv ); 116 attr_merge_one( e, slap_schema.si_ad_supportedControl, 117 &bv, &bv ); 118 } 119 } 120 121 j = -1; 122 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { 123 char buf[ SLAP_LDAPDN_MAXLEN ]; 124 struct berval dn; 125 126 j++; 127 128 if ( be->bd_info != bi ) { 129 continue; 130 } 131 132 snprintf( buf, sizeof( buf ), "cn=Database %d,%s", 133 j, ms_database->mss_dn.bv_val ); 134 135 ber_str2bv( buf, 0, 0, &dn ); 136 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso, 137 &dn, NULL ); 138 } 139 140 mp = monitor_entrypriv_create(); 141 if ( mp == NULL ) { 142 return -1; 143 } 144 e->e_private = ( void * )mp; 145 mp->mp_info = ms; 146 mp->mp_flags = ms->mss_flags | MONITOR_F_SUB; 147 148 if ( monitor_cache_add( mi, e ) ) { 149 Debug( LDAP_DEBUG_ANY, 150 "monitor_subsys_backend_init: " 151 "unable to add entry \"cn=Backend %d,%s\"\n", 152 i, 153 ms->mss_ndn.bv_val, 0 ); 154 return( -1 ); 155 } 156 157 *ep = e; 158 ep = &mp->mp_next; 159 } 160 161 monitor_cache_release( mi, e_backend ); 162 163 return( 0 ); 164 } 165 166