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JNDI API

Appendix B:

B.5 Modify Attributes

B.5.1 Modify Attributes Using LDAP C API

B.5.2 Modify Attributes Using JNDI

B.5.1 Modify Attributes Using LDAP C API

/*
 * Copyright (c) 1996.  Netscape Communications Corporation.  All
 * rights reserved.
 * 
 * Modify an entry:
 *  - replace any existing values in the “mail” attribute with “babs@ace.com”
 *  - add a new value to the “description” attribute
 */
#include “examples.h”
int
main( int argc, char **argv )
{
    LDAP        *ld;
    LDAPMod     mod0;
    LDAPMod     mod1;
    LDAPMod     *mods[ 3 ];
    char        *vals0[ 2 ];
    char        *vals1[ 2 ];
    time_t      now;
    char        buf[ 128 ];
    /* get a handle to an LDAP connection */
    if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
        perror( “ldap_init” );
        return( 1 );
    }
    /* authenticate */
    if ( ldap_simple_bind_s( ld, ENTRYDN, ENTRYPW ) != LDAP_SUCCESS ) {
        ldap_perror( ld, “ldap_simple_bind_s” );
        return( 1 );
    }
    /* construct the list of modifications to make */
    mod0.mod_op = LDAP_MOD_REPLACE;
    mod0.mod_type = “mail”;
    vals0[0] = “babs@ace.com”;
    vals0[1] = NULL;
    mod0.mod_values = vals0;
    mod1.mod_op = LDAP_MOD_ADD;
    mod1.mod_type = “description”;
    time( &now );
    sprintf( buf, “This entry was modified with the modattrs program on %s”,
            ctime( &now ));
    /* Get rid of \n which ctime put on the end of the time string */
    if ( buf[ strlen( buf ) - 1 ] == ‘\n’ ) {
        buf[ strlen( buf ) - 1 ] = ‘\0’;
    }
    vals1[ 0 ] = buf;
    vals1[ 1 ] = NULL;
    mod1.mod_values = vals1;
    mods[ 0 ] = &mod0;
    mods[ 1 ] = &mod1;
    mods[ 2 ] = NULL;
    /* make the change */
    if ( ldap_modify_s( ld, ENTRYDN, mods )
            != LDAP_SUCCESS ) {
        ldap_perror( ld, “ldap_modify_s” );
        return( 1 );
    }
    ldap_unbind( ld );
    printf( “modification was successful\n” );
    return( 0 );
}

Modify Attributes Using JNDI

/*
 * @(#)Modattrs.java	1.2 99/07/26
 * 
 * Copyright 1997, 1998, 1999 Sun Microsystems, Inc. All Rights
 * Reserved.
 * 
 * Sun grants you ("Licensee") a non-exclusive, royalty free,
 * license to use, modify and redistribute this software in source and
 * binary code form, provided that i) this copyright notice and license
 * appear on all copies of the software; and ii) Licensee does not utilize
 * the software in a manner which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE
 * OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 * 
 * This software is not designed or intended for use in on-line
 * control of aircraft, air traffic, aircraft navigation or aircraft
 * communications; or in the design, construction, operation or
 * maintenance of any nuclear facility. Licensee represents and warrants
 * that it will not use or redistribute the Software for such purposes.  
 */


import java.util.Hashtable;
import java.util.Date;
 
import javax.naming.*;
import javax.naming.directory.*;
/* 
 * Modify an entry:
 *  - replace any existing values in the "mail" attribute with "babs@ace.com"
 *  - add a new value to the "description" attribute
 *
 * [equivalent to modattrs.c in Netscape SDK]
 */
class Modattrs {
public static void main(String[] args) {
    Hashtable env = new Hashtable(5, 0.75f);
    /*
     * Specify the initial context implementation to use.
     * This could also be set by using the -D option to the java program.
     * For example,
     *   java -Djava.naming.factory.initial=com.sun.jndi.ldap.LdapCtxFactory \
     *       Modattrs
     */
    env.put(Context.INITIAL_CONTEXT_FACTORY, Env.INITCTX);
    /* Specify host and port to use for directory service */
    env.put(Context.PROVIDER_URL, Env.MY_SERVICE);
    /* specify authentication information */
    env.put(Context.SECURITY_AUTHENTICATION, "simple");
    env.put(Context.SECURITY_PRINCIPAL, Env.MGR_DN);
    env.put(Context.SECURITY_CREDENTIALS, Env.MGR_PW);
    try {
        /* get a handle to an Initial DirContext */
        DirContext ctx = new InitialDirContext(env);
        /* construct the list of modifications to make */
        ModificationItem[] mods = new ModificationItem[2];
        Attribute mod0 = new BasicAttribute("mail", "babs@eng");
        // Update mail attribute
        mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, mod0);
        // Add another value to description attribute
        Attribute mod1 = 
            new BasicAttribute("description", 
                          "This entry was modified with the Modattrs program on " +
                          (new Date()).toString());
        mods[1] = new ModificationItem(DirContext.ADD_ATTRIBUTE, mod1);
         /* Delete the description attribute altogether */
        /*
        Attribute mod1 =  new BasicAttribute("description");
        mods[2] = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, mod1);
	*/
        /* make the change */
        ctx.modifyAttributes(Env.ENTRYDN, mods);
        System.out.println( "modification was successful." );
    } catch (NamingException e) {
        System.err.println("modification failed. " + e);
    }
}
}