/* * Copyright ( c ) 2014 , 2022 , Oracle and / or its affiliates . All rights reserved . * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER . * * This code is free software ; you can redistribute it and / or modify it * under the terms of the GNU General Public License version 2 only , as * published by the Free Software Foundation . Oracle designates this * particular file as subject to the " Classpath " exception as provided * by Oracle in the LICENSE file that accompanied this code . * * This code is distributed in the hope that it will be useful , but WITHOUT * ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License * version 2 for more details ( a copy is included in the LICENSE file that * accompanied this code ) . * * You should have received a copy of the GNU General Public License version * 2 along with this work ; if not , write to the Free Software Foundation , * Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA . * * Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA * or visit www . oracle . com if you need additional information or have any * questions . /** * Defines the Java Naming and Directory Interface ( JNDI ) API . * < p > * Common standard JNDI environment properties that may be supported * by JNDI providers are defined and documented in * { @ link javax . naming . Context } . Specific JNDI provider implementations * may also support other environment or system properties , which are specific * to their implementation . * * @ implNote * The following implementation specific environment properties are supported by the * default LDAP Naming Service Provider implementation in the JDK : * < ul > * < li > { @ code com . sun . jndi . ldap . connect . timeout } : * < br > The value of this property is the string representation * of an integer representing the connection timeout in * milliseconds . If the LDAP provider cannot establish a * connection within that period , it aborts the connection attempt . * The integer should be greater than zero . An integer less than * or equal to zero means to use the network protocol ' s ( i . e . , TCP ' s ) * timeout value . * < br > If this property is not specified , the default is to wait * for the connection to be established or until the underlying * network times out . * < / li > * < li > { @ code com . sun . jndi . ldap . read . timeout } : * < br > The value of this property is the string representation * of an integer representing the read timeout in milliseconds * for LDAP operations . If the LDAP provider cannot get a LDAP * response within that period , it aborts the read attempt . The * integer should be greater than zero . An integer less than or * equal to zero means no read timeout is specified which is equivalent * to waiting for the response infinitely until it is received . * < br > If this property is not specified , the default is to wait * for the response until it is received . * < / li > * < li > { @ code com . sun . jndi . ldap . tls . cbtype } : * < br > The value of this property is the string representing the TLS * Channel Binding type required for an LDAP connection over SSL / TLS . * Possible value is : * < ul > * < li > " tls - server - end - point " - Channel Binding data is created on * the basis of the TLS server certificate . * < / li > * < / ul > * < br > " tls - unique " TLS Channel Binding type is specified in RFC - 5929 * but not supported . * < br > If this property is not specified , the client does not send * channel binding information to the server . * < / li > * < / ul > * < p > The following implementation specific system properties are supported by the * default LDAP Naming Service Provider implementation in the JDK : * < ul > * < li > { @ systemProperty com . sun . jndi . ldap . object . trustSerialData } : * < br > The value of this system property is the string representation of a boolean value * that controls the deserialization of java objects from the { @ code javaSerializedData } LDAP * attribute , reconstruction of RMI references from the { @ code javaRemoteLocation } LDAP attribute , and * reconstruction of { @ linkplain javax . naming . BinaryRefAddr binary reference addresses } from * the { @ code javaReferenceAddress } LDAP attribute . * To allow the deserialization or reconstruction of java objects from { @ code javaSerializedData } , * { @ code javaRemoteLocation } or { @ code javaReferenceAddress } attributes , the system property value * can be set to { @ code true } ( case insensitive ) . * < br > If the property is not specified the deserialization of java objects * from the { @ code javaSerializedData } , the { @ code javaRemoteLocation } , or { @ code javaReferenceAddress } * attributes is not allowed . * < / li > * < li > { @ systemProperty jdk . jndi . object . factoriesFilter } : * < br > The value of this system property defines a filter used by * the JNDI runtime implementation to control the set of object factory classes which will * be allowed to instantiate objects from object references returned by naming / directory systems . * The factory class named by the reference instance will be matched against this filter . * The filter property supports pattern - based filter syntax with the same format as * { @ link java . io . ObjectInputFilter . Config # createFilter ( String ) jdk . serialFilter } . Limit patterns * specified in the filter property are unused . * This property can also be specified as a { @ linkplain java . security . Security security property } . * This property is also supported by the < a href = " { @ docRoot } / jdk . naming . rmi / module - summary . html " > default JNDI * RMI Provider < / a > . * < br > The default value allows any object factory class specified by the reference * instance to recreate the referenced object . * < / li > * < li > { @ systemProperty jdk . jndi . ldap . object . factoriesFilter } : * < br > The value of this system property defines a filter used by * the JDK LDAP provider implementation to further restrict the set of object factory classes which will * be allowed to instantiate objects from object references returned by LDAP systems . * The factory class named by the { @ linkplain javax . naming . Reference reference instance } first will be * matched against this specific filter and then against the global filter . The factory class is rejected * if any of these two filters reject it , or if none of them allow it . * The filter property supports pattern - based filter syntax with the same format as * { @ link java . io . ObjectInputFilter . Config # createFilter ( String ) jdk . serialFilter } . Limit patterns * specified in the filter property are unused . * < br > The default value allows any object factory class provided by the JDK LDAP provider * implementation . * < br > This system property will be used to filter LDAP specific object factories only if * global { @ link javax . naming . spi . ObjectFactoryBuilder } is { @ linkplain * javax . naming . spi . NamingManager # setObjectFactoryBuilder ( javax . naming . spi . ObjectFactoryBuilder ) * not set } . * < / li > * < / ul > * < p > Other providers may define additional properties in their module description : * < ul > * < li > < a href = " { @ docRoot } / jdk . naming . dns / module - summary . html " > DNS Naming Provider < / a > < / li > * < li > < a href = " { @ docRoot } / jdk . naming . rmi / module - summary . html " > RMI Naming Provider < / a > < / li > * < / ul > * @ provides java . security . Provider * * @ uses javax . naming . ldap . StartTlsResponse * @ uses javax . naming . ldap . spi . LdapDnsProvider * @ uses javax . naming . spi . InitialContextFactory * * @ moduleGraph * @ since 9
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