X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fextended.c;h=bc34f65f60df30ea70ba6c2c8aca70a192c362be;hb=c6b5abbfd20567116846ebc38f0005c429284c98;hp=52eb15a7a7ac6cf3dd78faf2b7603b4e7dd1fca5;hpb=951b275ed6e967b80f72da71c5fb4c8c825851e6;p=openldap

diff --git a/servers/slapd/extended.c b/servers/slapd/extended.c
index 52eb15a7a7..bc34f65f60 100644
--- a/servers/slapd/extended.c
+++ b/servers/slapd/extended.c
@@ -1,26 +1,30 @@
 /* $OpenLDAP$ */
-/* 
- * Copyright 1999 The OpenLDAP Foundation.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2012 The OpenLDAP Foundation.
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License.  A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
+ * 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 the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
 
 /*
  * LDAPv3 Extended Operation Request
  *	ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
- *		requestName      [0] LDAPOID,
- *		requestValue     [1] OCTET STRING OPTIONAL
+ *		requestName	 [0] LDAPOID,
+ *		requestValue	 [1] OCTET STRING OPTIONAL
  *	}
  *
  * LDAPv3 Extended Operation Response
  *	ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
  *		COMPONENTS OF LDAPResult,
- *		responseName     [10] LDAPOID OPTIONAL,
- *		response         [11] OCTET STRING OPTIONAL
+ *		responseName	 [10] LDAPOID OPTIONAL,
+ *		response	 [11] OCTET STRING OPTIONAL
  *	}
  *
  */
@@ -28,268 +32,427 @@
 #include "portable.h"
 
 #include <stdio.h>
+
 #include <ac/socket.h>
+#include <ac/string.h>
 
 #include "slap.h"
+#include "lber_pvt.h"
 
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
+static struct extop_list {
+	struct extop_list *next;
+	struct berval oid;
+	slap_mask_t flags;
+	SLAP_EXTOP_MAIN_FN *ext_main;
+} *supp_ext_list = NULL;
 
-typedef struct extensions_cookie_t {
-    Connection	*conn;
-    Operation	*op;
-} extensions_cookie_t;
+static SLAP_EXTOP_MAIN_FN whoami_extop;
 
-#define MAX_OID_LENGTH	128
+/* This list of built-in extops is for extops that are not part
+ * of backends or in external modules.	Essentially, this is
+ * just a way to get built-in extops onto the extop list without
+ * having a separate init routine for each built-in extop.
+ */
+static struct {
+	const struct berval *oid;
+	slap_mask_t flags;
+	SLAP_EXTOP_MAIN_FN *ext_main;
+} builtin_extops[] = {
+#ifdef LDAP_X_TXN
+	{ &slap_EXOP_TXN_START, 0, txn_start_extop },
+	{ &slap_EXOP_TXN_END, 0, txn_end_extop },
+#endif
+	{ &slap_EXOP_CANCEL, 0, cancel_extop },
+	{ &slap_EXOP_WHOAMI, 0, whoami_extop },
+	{ &slap_EXOP_MODIFY_PASSWD, SLAP_EXOP_WRITES, passwd_extop },
+	{ NULL, 0, NULL }
+};
 
-typedef struct extensions_list_t {
-	struct extensions_list_t *next;
-	char *oid;
-	int (*ext_main)(int (*)(), void *, char *reqoid, struct berval *reqdata, char **rspoid, struct berval *rspdata, char **text);
-} extensions_list_t;
 
-extensions_list_t *supp_ext_list = NULL;
+static struct extop_list *find_extop(
+	struct extop_list *list, struct berval *oid );
 
-#define MAX_SUPP_EXT_TRACKED	64
-int supp_ext_count = 0;
-char *supportedExtensions[MAX_SUPP_EXT_TRACKED] = { NULL };
+struct berval *
+get_supported_extop (int index)
+{
+	struct extop_list *ext;
 
-extensions_list_t *find_extension (extensions_list_t *list, char *oid);
-int extensions_callback (extensions_cookie_t *cookie, int msg, int arg, void *argp);
-#else
+	/* linear scan is slow, but this way doesn't force a
+	 * big change on root_dse.c, where this routine is used.
+	 */
+	for (ext = supp_ext_list; ext != NULL && --index >= 0; ext = ext->next) {
+		; /* empty */
+	}
 
-char *supportedExtensions[] = {
-	NULL
-};
-#endif
+	if (ext == NULL) return NULL;
+
+	return &ext->oid;
+}
+
+
+int exop_root_dse_info( Entry *e )
+{
+	AttributeDescription *ad_supportedExtension
+		= slap_schema.si_ad_supportedExtension;
+	struct berval vals[2];
+	struct extop_list *ext;
+
+	vals[1].bv_val = NULL;
+	vals[1].bv_len = 0;
+
+	for (ext = supp_ext_list; ext != NULL; ext = ext->next) {
+		if( ext->flags & SLAP_EXOP_HIDE ) continue;
+
+		vals[0] = ext->oid;
 
+		if( attr_merge( e, ad_supportedExtension, vals, NULL ) ) {
+			return LDAP_OTHER;
+		}
+	}
+
+	return LDAP_SUCCESS;
+}
 
 int
 do_extended(
-    Connection	*conn,
-    Operation	*op
+    Operation	*op,
+    SlapReply	*rs
 )
 {
-	int rc = LDAP_SUCCESS;
-	char* reqoid ;
-	struct berval reqdata;
-	ber_tag_t tag;
+	struct berval reqdata = {0, NULL};
 	ber_len_t len;
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
-	extensions_list_t *ext;
-	char *rspoid, *text;
-	struct berval rspdata;
-	extensions_cookie_t cookie;
-#endif
-
-	Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
 
-	reqoid = NULL;
-	reqdata.bv_val = NULL;
+	Debug( LDAP_DEBUG_TRACE, "%s do_extended\n",
+		op->o_log_prefix, 0, 0 );
 
 	if( op->o_protocol < LDAP_VERSION3 ) {
-		Debug( LDAP_DEBUG_ANY, "do_extended: protocol version (%d) too low\n",
-			op->o_protocol, 0 ,0 );
-		send_ldap_disconnect( conn, op,
-			LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
-		rc = -1;
+		Debug( LDAP_DEBUG_ANY, "%s do_extended: protocol version (%d) too low\n",
+			op->o_log_prefix, op->o_protocol, 0 );
+		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
+		rs->sr_err = SLAPD_DISCONNECT;
 		goto done;
 	}
 
-	if ( ber_scanf( op->o_ber, "{a" /*}*/, &reqoid ) == LBER_ERROR ) {
-		Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
-		send_ldap_disconnect( conn, op,
-			LDAP_PROTOCOL_ERROR, "decoding error" );
-		rc = -1;
-		goto done;
-	}
-
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
-	if( !(ext = find_extension(supp_ext_list, reqoid)) )
-#else
-	if( !charray_inlist( supportedExtensions, reqoid ) )
-#endif
-	{
-		Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
-			reqoid, 0 ,0 );
-		send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-			NULL, "unsuppored extended operation", NULL, NULL );
+	if ( ber_scanf( op->o_ber, "{m" /*}*/, &op->ore_reqoid ) == LBER_ERROR ) {
+		Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
+			op->o_log_prefix, 0, 0 );
+		send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+		rs->sr_err = SLAPD_DISCONNECT;
 		goto done;
 	}
 
-	tag = ber_peek_tag( op->o_ber, &len );
-	
 	if( ber_peek_tag( op->o_ber, &len ) == LDAP_TAG_EXOP_REQ_VALUE ) {
-		if( ber_scanf( op->o_ber, "o", &reqdata ) == LBER_ERROR ) {
-			Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
-			send_ldap_disconnect( conn, op,
-				LDAP_PROTOCOL_ERROR, "decoding error" );
-			rc = -1;
+		if( ber_scanf( op->o_ber, "m", &reqdata ) == LBER_ERROR ) {
+			Debug( LDAP_DEBUG_ANY, "%s do_extended: ber_scanf failed\n",
+				op->o_log_prefix, 0, 0 );
+			send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
+			rs->sr_err = SLAPD_DISCONNECT;
 			goto done;
 		}
 	}
 
-	if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
-		Debug( LDAP_DEBUG_ANY, "do_extended: get_ctrls failed\n", 0, 0 ,0 );
-		return rc;
+	if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
+		Debug( LDAP_DEBUG_ANY, "%s do_extended: get_ctrls failed\n",
+			op->o_log_prefix, 0, 0 );
+		return rs->sr_err;
 	} 
 
-	Debug( LDAP_DEBUG_ARGS, "do_extended: oid \"%s\"\n", reqoid, 0 ,0 );
+	Statslog( LDAP_DEBUG_STATS, "%s EXT oid=%s\n",
+	    op->o_log_prefix, op->ore_reqoid.bv_val, 0, 0, 0 );
 
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
-	cookie.conn = conn;
-	cookie.op = op;
-	rspoid = NULL;
-	rspdata.bv_len = 0;
-	rspdata.bv_val = NULL;
-	text = NULL;
-	rc = (ext->ext_main)(extensions_callback, &cookie, reqoid, &reqdata, &rspoid, &rspdata, &text);
-
-	send_ldap_extended(conn, op, rc, NULL, text, rspoid, rspdata.bv_val ? &rspdata : NULL);
+	/* check for controls inappropriate for all extended operations */
+	if( get_manageDSAit( op ) == SLAP_CONTROL_CRITICAL ) {
+		send_ldap_error( op, rs,
+			LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+			"manageDSAit control inappropriate" );
+		goto done;
+	}
 
-	if (rspoid != NULL)
-		free(rspoid);
-	if ( rspdata.bv_val != NULL )
-		free(rspdata.bv_val);
-	if ( text != NULL )
-		free(text);
+	/* FIXME: temporary? */
+	if ( reqdata.bv_val ) {
+		op->ore_reqdata = &reqdata;
+	}
 
-#else
-	send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
-		NULL, "unsupported extended operation", NULL, NULL );
+	op->o_bd = frontendDB;
+	rs->sr_err = frontendDB->be_extended( op, rs );
 
-#endif
+	/* clean up in case some overlay set them? */
+	if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
+		if ( !BER_BVISNULL( &op->o_req_dn )
+			&& op->o_req_ndn.bv_val != op->o_req_dn.bv_val )
+		{
+			op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
+		}
+		op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
+		BER_BVZERO( &op->o_req_dn );
+		BER_BVZERO( &op->o_req_ndn );
+	}
 
 done:
-	if ( reqoid != NULL ) {
-		free( reqoid );
+	return rs->sr_err;
+}
+
+int
+fe_extended( Operation *op, SlapReply *rs )
+{
+	struct extop_list	*ext = NULL;
+	struct berval		reqdata = BER_BVNULL;
+
+	if (op->ore_reqdata) {
+		reqdata = *op->ore_reqdata;
 	}
-	if ( reqdata.bv_val != NULL ) {
-		free( reqdata.bv_val );
+
+	ext = find_extop(supp_ext_list, &op->ore_reqoid );
+	if ( ext == NULL ) {
+		Debug( LDAP_DEBUG_ANY, "%s do_extended: unsupported operation \"%s\"\n",
+			op->o_log_prefix, op->ore_reqoid.bv_val, 0 );
+		send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
+			"unsupported extended operation" );
+		goto done;
 	}
 
-	return rc;
-}
+	op->ore_flags = ext->flags;
 
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
+	Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n",
+		op->ore_reqoid.bv_val, 0 ,0 );
+
+	{ /* start of OpenLDAP extended operation */
+		BackendDB	*bd = op->o_bd;
+
+		rs->sr_err = (ext->ext_main)( op, rs );
+
+		if( rs->sr_err != SLAPD_ABANDON ) {
+			if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
+				rs->sr_ref = referral_rewrite( default_referral,
+					NULL, NULL, LDAP_SCOPE_DEFAULT );
+				if ( !rs->sr_ref ) rs->sr_ref = default_referral;
+				if ( !rs->sr_ref ) {
+					rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+					rs->sr_text = "referral missing";
+				}
+			}
+
+			if ( op->o_bd == NULL )
+				op->o_bd = bd;
+			send_ldap_extended( op, rs );
+
+			if ( rs->sr_ref != default_referral ) {
+				ber_bvarray_free( rs->sr_ref );
+				rs->sr_ref = NULL;
+			}
+		}
+
+		if ( rs->sr_rspoid != NULL ) {
+			free( (char *)rs->sr_rspoid );
+			rs->sr_rspoid = NULL;
+		}
+
+		if ( rs->sr_rspdata != NULL ) {
+			ber_bvfree( rs->sr_rspdata );
+			rs->sr_rspdata = NULL;
+		}
+	} /* end of OpenLDAP extended operation */
+
+done:;
+	return rs->sr_err;
+}
 
 int
-load_extension (
-	const void *module,
-	const char *file_name
-)
+load_extop2(
+	const struct berval *ext_oid,
+	slap_mask_t ext_flags,
+	SLAP_EXTOP_MAIN_FN *ext_main,
+	unsigned flags )
 {
-	extensions_list_t *ext;
-	int (*ext_getoid)(int index, char *oid, int blen);
-	int rc;
-
-	ext = ch_calloc(1, sizeof(extensions_list_t));
-	if (ext == NULL)
-		return(-1);
-
-	ext->oid = ch_malloc(MAX_OID_LENGTH);
-	if (ext->oid == NULL) {
-		free(ext);
-		return(-1);
+	struct berval		oidm = BER_BVNULL;
+	struct extop_list	*ext;
+	int			insertme = 0;
+
+	if ( !ext_main ) {
+		return -1; 
 	}
 
-	ext->ext_main = module_resolve(module, "ext_main");
-	if (ext->ext_main == NULL) {
-		free(ext->oid);
-		free(ext);
-		return(-1);
+	if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
+		BER_BVISEMPTY( ext_oid ) )
+	{
+		return -1; 
 	}
 
-	ext_getoid = module_resolve(module, "ext_getoid");
-	if (ext_getoid == NULL) {
-		free(ext->oid);
-		free(ext);
-		return(-1);
+	if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
+		LDAP_SUCCESS )
+	{
+		oidm.bv_val = oidm_find( ext_oid->bv_val );
+		if ( oidm.bv_val == NULL ) {
+			return -1;
+		}
+		oidm.bv_len = strlen( oidm.bv_val );
+		ext_oid = &oidm;
 	}
-	rc = (ext_getoid)(0, ext->oid, MAX_OID_LENGTH);
-	if (rc != 0) {
-		free(ext->oid);
-		free(ext);
-		return(rc);
+
+	for ( ext = supp_ext_list; ext; ext = ext->next ) {
+		if ( bvmatch( ext_oid, &ext->oid ) ) {
+			if ( flags == 1 ) {
+				break;
+			}
+			return -1;
+		}
 	}
-	if (*ext->oid == 0) {
-		free(ext->oid);
-		free(ext);
-		return(-1);
+
+	if ( flags == 0 || ext == NULL ) {
+		ext = ch_calloc( 1, sizeof(struct extop_list) + ext_oid->bv_len + 1 );
+		if ( ext == NULL ) {
+			return(-1);
+		}
+
+		ext->oid.bv_val = (char *)(ext + 1);
+		AC_MEMCPY( ext->oid.bv_val, ext_oid->bv_val, ext_oid->bv_len );
+		ext->oid.bv_len = ext_oid->bv_len;
+		ext->oid.bv_val[ext->oid.bv_len] = '\0';
+
+		insertme = 1;
 	}
 
-	/* supportedExtensions must be maintained for the root DSE.
-	 * Unfortunately, this global var is declared extern char *[],
-	 * which means it cannot grow dynamically.  So, for now it is
-	 * a char *[n], and only (n-1) oids are tracked.  In the off
-	 * chance that this is too few, the extensions will still be
-	 * loaded, but not reported in root DSE info.  To increase
-	 * the maximum, change MAX_SUPP_EXT_TRACKED and recompile or
-	 * fix root_dse.c to use something other than a static array.
-	 */
-	if (supp_ext_count < (MAX_SUPP_EXT_TRACKED - 1)) {
-		supportedExtensions[supp_ext_count++] = ch_strdup(ext->oid);
-		supportedExtensions[supp_ext_count] = NULL;
+	ext->flags = ext_flags;
+	ext->ext_main = ext_main;
+
+	if ( insertme ) {
+		ext->next = supp_ext_list;
+		supp_ext_list = ext;
 	}
 
-	ext->next = supp_ext_list;
-	supp_ext_list = ext;
 	return(0);
 }
 
-extensions_list_t *
-find_extension (extensions_list_t *list, char *oid)
+int
+unload_extop(
+	const struct berval *ext_oid,
+	SLAP_EXTOP_MAIN_FN *ext_main,
+	unsigned flags )
 {
-	extensions_list_t *ext;
+	struct berval		oidm = BER_BVNULL;
+	struct extop_list	*ext, **extp;
+
+	/* oid must be given */
+	if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
+		BER_BVISEMPTY( ext_oid ) )
+	{
+		return -1; 
+	}
+
+	/* if it's not an oid, check if it's a macto */
+	if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
+		LDAP_SUCCESS )
+	{
+		oidm.bv_val = oidm_find( ext_oid->bv_val );
+		if ( oidm.bv_val == NULL ) {
+			return -1;
+		}
+		oidm.bv_len = strlen( oidm.bv_val );
+		ext_oid = &oidm;
+	}
+
+	/* lookup the oid */
+	for ( extp = &supp_ext_list; *extp; extp = &(*extp)->next ) {
+		if ( bvmatch( ext_oid, &(*extp)->oid ) ) {
+			/* if ext_main is given, only remove if it matches */
+			if ( ext_main != NULL && (*extp)->ext_main != ext_main ) {
+				return -1;
+			}
+			break;
+		}
+	}
+
+	if ( *extp == NULL ) {
+		return -1;
+	}
+
+	ext = *extp;
+	*extp = (*extp)->next;
+
+	ch_free( ext );
+
+	return 0;
+}
+
+int
+extops_init (void)
+{
+	int i;
+
+	for ( i = 0; builtin_extops[i].oid != NULL; i++ ) {
+		load_extop( (struct berval *)builtin_extops[i].oid,
+			builtin_extops[i].flags,
+			builtin_extops[i].ext_main );
+	}
+
+	return(0);
+}
+
+int
+extops_kill (void)
+{
+	struct extop_list *ext;
+
+	/* we allocated the memory, so we have to free it, too. */
+	while ((ext = supp_ext_list) != NULL) {
+		supp_ext_list = ext->next;
+		ch_free(ext);
+	}
+	return(0);
+}
+
+static struct extop_list *
+find_extop( struct extop_list *list, struct berval *oid )
+{
+	struct extop_list *ext;
 
 	for (ext = list; ext; ext = ext->next) {
-		if (strcmp(ext->oid, oid) == 0)
+		if (bvmatch(&ext->oid, oid))
 			return(ext);
 	}
 	return(NULL);
 }
 
-int
-extensions_callback (extensions_cookie_t *cookie, int msg, int arg, void *argp)
+
+const struct berval slap_EXOP_WHOAMI = BER_BVC(LDAP_EXOP_WHO_AM_I);
+
+static int
+whoami_extop (
+	Operation *op,
+	SlapReply *rs )
 {
-	if (cookie == NULL)
-		return(-1);
-
-	if (argp == NULL)
-		return(-1);
-
-	switch (msg) {
-	case 0:		/* SLAPD_EXT_GETVERSION */
-		*(int *)argp = 1;
-		return(0);
-
-	case 1:		/* SLAPD_EXT_GETPROTO */
-		*(int *)argp = cookie->op->o_protocol;
-		return(0);
-	
-	case 2:		/* SLAPD_EXT_GETAUTH */
-		*(int *)argp = cookie->op->o_authtype;
-		return(0);
-	
-	case 3:		/* SLAPD_EXT_GETDN */
-		*(char **)argp = cookie->op->o_dn;
-		return(0);
-	
-	case 4:		/* SLAPD_EXT_GETCLIENT */
-		if (cookie->conn->c_peer_domain != NULL && *cookie->conn->c_peer_domain != 0) {
-			*(char **)argp = cookie->conn->c_peer_domain;
-			return(0);
-		}
-		if (cookie->conn->c_peer_name != NULL && *cookie->conn->c_peer_name != 0) {
-			*(char **)argp = cookie->conn->c_peer_name;
-			return(0);
-		}
-		break;
-	
-	default:
-		break;
+	struct berval *bv;
+
+	if ( op->ore_reqdata != NULL ) {
+		/* no request data should be provided */
+		rs->sr_text = "no request data expected";
+		return LDAP_PROTOCOL_ERROR;
 	}
-	return(-1);
-}
 
-#endif
+	Statslog( LDAP_DEBUG_STATS, "%s WHOAMI\n",
+	    op->o_log_prefix, 0, 0, 0, 0 );
+
+	op->o_bd = op->o_conn->c_authz_backend;
+	if( backend_check_restrictions( op, rs,
+		(struct berval *)&slap_EXOP_WHOAMI ) != LDAP_SUCCESS )
+	{
+		return rs->sr_err;
+	}
 
+	bv = (struct berval *) ch_malloc( sizeof(struct berval) );
+	if( op->o_dn.bv_len ) {
+		bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
+		bv->bv_val = ch_malloc( bv->bv_len + 1 );
+		AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
+		AC_MEMCPY( &bv->bv_val[STRLENOF( "dn:" )], op->o_dn.bv_val,
+			op->o_dn.bv_len );
+		bv->bv_val[bv->bv_len] = '\0';
+
+	} else {
+		bv->bv_len = 0;
+		bv->bv_val = NULL;
+	}
+
+	rs->sr_rspdata = bv;
+	return LDAP_SUCCESS;
+}