--- servers/slapd/root_dse.c	1999/04/19 16:21:53	1.1
+++ servers/slapd/root_dse.c	2001/09/18 16:52:58	1.12.2.6
@@ -1,6 +1,7 @@
+/* $OpenLDAP: pkg/ldap/servers/slapd/root_dse.c,v 1.12.2.5 2000/08/31 16:55:28 kurt Exp $ */
 /* root_dse.c - Provides the ROOT DSA-Specific Entry
  *
- * Copyright 1999 The OpenLDAP Foundation.
+ * Copyright 1999-2000 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms are permitted only
@@ -12,18 +13,37 @@
 #include "portable.h"
 
 #include <stdio.h>
+#include <ac/string.h>
 
-#include "ldapconfig.h"
 #include "slap.h"
 
-void
-root_dse_info( Connection *conn, Operation *op )
+static char *supportedFeatures[] = {
+	"1.3.6.1.4.1.4203.1.5.1", /* All Operational Attributes ("+") */
+	NULL
+};
+
+
+int
+root_dse_info(
+	Connection *conn,
+	Entry **entry,
+	const char **text )
 {
+	char buf[BUFSIZ];
 	Entry		*e;
-	char		buf[BUFSIZ];
 	struct berval	val;
 	struct berval	*vals[2];
 	int		i, j;
+	char ** supportedSASLMechanisms;
+
+	AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
+	AttributeDescription *ad_namingContexts = slap_schema.si_ad_namingContexts;
+	AttributeDescription *ad_supportedControl = slap_schema.si_ad_supportedControl;
+	AttributeDescription *ad_supportedExtension = slap_schema.si_ad_supportedExtension;
+	AttributeDescription *ad_supportedLDAPVersion = slap_schema.si_ad_supportedLDAPVersion;
+	AttributeDescription *ad_supportedSASLMechanisms = slap_schema.si_ad_supportedSASLMechanisms;
+	AttributeDescription *ad_supportedFeatures = slap_schema.si_ad_supportedFeatures;
+	AttributeDescription *ad_ref = slap_schema.si_ad_ref;
 
 	vals[0] = &val;
 	vals[1] = NULL;
@@ -32,39 +52,78 @@ root_dse_info( Connection *conn, Operati
 
 	e->e_attrs = NULL;
 	e->e_dn = ch_strdup( LDAP_ROOT_DSE );
-	e->e_ndn = dn_normalize_case( ch_strdup( LDAP_ROOT_DSE ));
+	e->e_ndn = ch_strdup( LDAP_ROOT_DSE );
+	(void) dn_normalize( e->e_ndn );
 	e->e_private = NULL;
 
+	val.bv_val = "top";
+	val.bv_len = sizeof("top")-1;
+	attr_merge( e, ad_objectClass, vals );
+
+	val.bv_val = "OpenLDAProotDSE";
+	val.bv_len = sizeof("OpenLDAProotDSE")-1;
+	attr_merge( e, ad_objectClass, vals );
+
 	for ( i = 0; i < nbackends; i++ ) {
 		for ( j = 0; backends[i].be_suffix[j] != NULL; j++ ) {
-			strcpy( buf, backends[i].be_suffix[j] );
-			val.bv_val = buf;
-			val.bv_len = strlen( buf );
-			attr_merge( e, "namingContexts", vals );
+			val.bv_val = backends[i].be_suffix[j];
+			val.bv_len = strlen( val.bv_val );
+			attr_merge( e, ad_namingContexts, vals );
 		}
 	}
 
-#if defined( SLAPD_SCHEMA_DN )
-	val.bv_val = ch_strdup( SLAPD_SCHEMA_DN );
-	val.bv_len = strlen( va.bv_val );
-	attr_merge( e, "subschemaSubentry", vals );
-	ldap_memfree( val.bv_val );
-#endif
-
 	/* altServer unsupported */
-	/* supportedExtension: no extensions supported */
-	/* supportedControl: no controls supported */
 
+	/* supportedControl */
+	for ( i=0; supportedControls[i] != NULL; i++ ) {
+		val.bv_val = supportedControls[i];
+		val.bv_len = strlen( val.bv_val );
+		attr_merge( e, ad_supportedControl, vals );
+	}
+
+	/* supportedExtension */
+	for ( i=0; (val.bv_val = get_supported_extop(i)) != NULL; i++ ) {
+		val.bv_len = strlen( val.bv_val );
+		attr_merge( e, ad_supportedExtension, vals );
+	}
+
+	/* supportedFeatures */
+	for ( i=0; supportedFeatures[i] != NULL; i++ ) {
+		val.bv_val = supportedFeatures[i];
+		val.bv_len = strlen( val.bv_val );
+		attr_merge( e, ad_supportedFeatures, vals );
+	}
+
+	/* supportedLDAPVersion */
 	for ( i=LDAP_VERSION_MIN; i<=LDAP_VERSION_MAX; i++ ) {
+		if (( global_disallows & SLAP_DISALLOW_BIND_V2 ) &&
+			( i < LDAP_VERSION3 ) )
+		{
+			/* version 2 and lower are disallowed */
+			continue;
+		}
 		sprintf(buf,"%d",i);
 		val.bv_val = buf;
-		val.bv_len = strlen( buf );
-		attr_merge( e, "supportedLDAPVersion", vals );
+		val.bv_len = strlen( val.bv_val );
+		attr_merge( e, ad_supportedLDAPVersion, vals );
+	}
+
+	/* supportedSASLMechanism */
+	supportedSASLMechanisms = slap_sasl_mechs( conn );
+
+	if( supportedSASLMechanisms != NULL ) {
+		for ( i=0; supportedSASLMechanisms[i] != NULL; i++ ) {
+			val.bv_val = supportedSASLMechanisms[i];
+			val.bv_len = strlen( val.bv_val );
+			attr_merge( e, ad_supportedSASLMechanisms, vals );
+		}
+	}
+
+	if ( default_referral != NULL ) {
+		attr_merge( e, ad_ref, default_referral );
 	}
-	
-	send_search_entry( &backends[0], conn, op, e, NULL, 0 );
-	send_ldap_search_result( conn, op, LDAP_SUCCESS, NULL, NULL, 1 );
 
-	entry_free( e );
+	*entry = e;
+	return LDAP_SUCCESS;
 }