1 files changed, 141 insertions, 0 deletions
diff --git a/servers/slapd/back-monitor/overlay.c b/servers/slapd/back-monitor/overlay.c
new file mode 100644
index 0000000..e2e8fab
--- /dev/null
+++ b/servers/slapd/back-monitor/overlay.c
@@ -0,0 +1,141 @@
+/* overlay.c - deals with overlay subsystem */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2001-2021 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2003 Pierangelo Masarati.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Pierangelo Masarati for inclusion
+ * in OpenLDAP Software.
+ */
+
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+
+#include "slap.h"
+#include "back-monitor.h"
+
+/*
+ * initializes overlay subentries
+ */
+int
+monitor_subsys_overlay_init(
+	BackendDB		*be,
+	monitor_subsys_t	*ms
+)
+{
+	monitor_info_t		*mi;
+	Entry			*e_overlay, **ep;
+	int			i;
+	monitor_entry_t		*mp;
+	slap_overinst		*on;
+	monitor_subsys_t	*ms_database;
+
+	mi = ( monitor_info_t * )be->be_private;
+
+	ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
+	if ( ms_database == NULL ) {
+		Debug( LDAP_DEBUG_ANY,
+			"monitor_subsys_backend_init: "
+			"unable to get "
+			"\"" SLAPD_MONITOR_DATABASE_NAME "\" "
+			"subsystem\n",
+			0, 0, 0 );
+		return -1;
+	}
+
+	if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) {
+		Debug( LDAP_DEBUG_ANY,
+			"monitor_subsys_overlay_init: "
+			"unable to get entry \"%s\"\n",
+			ms->mss_ndn.bv_val, 0, 0 );
+		return( -1 );
+	}
+
+	mp = ( monitor_entry_t * )e_overlay->e_private;
+	mp->mp_children = NULL;
+	ep = &mp->mp_children;
+
+	for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) {
+		char 		buf[ BACKMONITOR_BUFSIZE ];
+		struct berval 	bv;
+		int		j;
+		Entry		*e;
+		BackendDB	*be;
+
+		bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i );
+		bv.bv_val = buf;
+		e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
+			mi->mi_oc_monitoredObject, NULL, NULL );
+		if ( e == NULL ) {
+			Debug( LDAP_DEBUG_ANY,
+				"monitor_subsys_overlay_init: "
+				"unable to create entry \"cn=Overlay %d,%s\"\n",
+				i, ms->mss_ndn.bv_val, 0 );
+			return( -1 );
+		}
+		ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
+		attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
+		attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
+			on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv :
+				(struct berval *)&slap_false_bv, NULL );
+		
+		attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
+				&bv, NULL );
+
+		j = -1;
+		LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
+			char		buf[ SLAP_LDAPDN_MAXLEN ];
+			struct berval	dn;
+
+			j++;
+			if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
+				continue;
+			}
+
+			snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
+					j, ms_database->mss_dn.bv_val );
+
+			ber_str2bv( buf, 0, 0, &dn );
+			attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
+					&dn, NULL );
+		}
+		
+		mp = monitor_entrypriv_create();
+		if ( mp == NULL ) {
+			return -1;
+		}
+		e->e_private = ( void * )mp;
+		mp->mp_info = ms;
+		mp->mp_flags = ms->mss_flags
+			| MONITOR_F_SUB;
+
+		if ( monitor_cache_add( mi, e ) ) {
+			Debug( LDAP_DEBUG_ANY,
+				"monitor_subsys_overlay_init: "
+				"unable to add entry \"cn=Overlay %d,%s\"\n",
+				i, ms->mss_ndn.bv_val, 0 );
+			return( -1 );
+		}
+
+		*ep = e;
+		ep = &mp->mp_next;
+	}
+	
+	monitor_cache_release( mi, e_overlay );
+
+	return( 0 );
+}
+