B. 2 엔트리의 읽기 - xrath.com 에서 번역됨

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부록 B:

## B. 2 엔트리의 읽기

##

| B. 2.1 LDAP C API 를 사용한 읽기 | B. 2.2 JNDI 를 사용한 읽기

##

### B. 2.1 LDAP C API 를 사용한 읽기

>     /*
>      * Copyright (c) 1996.   Netscape Communications Corporation.   All
>      * rights reserved.
>      *
>      * Search the directory for the specific entry
>      * “cn=Barbara Jensen, ou=Product Development, o=Ace Industry, c=US”.
>      * Retrieve all attributes from the entry.
>      *
>      */
>     #include “examples.h”
>     int
>     main( int argc, char **argv )
>     {
>         LDAP        *ld;
>         LDAPMessage *result, *e;
>         BerElement  *ber;
>         char        *a, *dn;
>         char        **vals;
>         int         i;
>         /* get a handle to an LDAP connection */
>         if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
>             perror( “ldap_init” );
>             return( 1 );
>         }
>         /* authenticate to the directory as nobody */
>         if ( ldap_simple_bind_s( ld, NULL, NULL ) ! = LDAP_SUCCESS ) {
>             ldap_perror( ld, “ldap_simple_bind_s” );
>             return( 1 );
>         }
>         /* search for Babs’ entry */
>         if ( ldap_search_s( ld, ENTRYDN, LDAP_SCOPE_SUBTREE,
>                 “(objectclass=*)”, NULL, 0, &result ) ! = LDAP_SUCCESS ) {
>             ldap_perror( ld, “ldap_search_s” );
>             return( 1 );
>         }
>         /* for each entry print out name + all attrs and values */
>         for ( e = ldap_first_entry( ld, result ); e ! = NULL;
>                 e = ldap_next_entry( ld, e ) ) {
>             if ( (dn = ldap_get_dn( ld, e )) ! = NULL ) {
>                 printf( “dn: %s\n”, dn );
>                 ldap_memfree( dn );
>             }
>             for ( a = ldap_first_attribute( ld, e, &ber );
>                     a ! = NULL; a = ldap_next_attribute( ld, e, ber ) ) {
>                 if ((vals = ldap_get_values( ld, e, a)) ! = NULL ) {
>                     for ( i = 0; vals[i] ! = NULL; i++ ) {
>                         printf( “%s: %s\n”, a, vals[i] );
>                     }
>                     ldap_value_free( vals );
>                 }
>                 ldap_memfree( a );
>             }
>             if ( ber ! = NULL ) {
>                 ber_free( ber, 0 );
>             }
>             printf( “\n” );
>         }
>         ldap_msgfree( result );
>         ldap_unbind( ld );
>         return( 0 );
>     }

### B. 2.2 JNDI 를 사용한 읽기

>     /*
>      * @(#) Rdentry.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 javax.naming. *;
>     import javax.naming.directory. *;
>     /*
>      * Search the directory for the specific entry
>      * "cn=Barbara Jensen, ou=Product Development, o=Ace Industry, c=US".
>      * Retrieve all attributes from the entry.
>      *
>      * [Equivalent to rdentry.c in Netscape SDK]
>      */
>     class Rdentry {
>     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 \
>          *       Rdentry
>          */
>         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);
>         try {
>             /* get a handle to an Initial DirContext */
>             DirContext ctx = new InitialDirContext(env);
>             /* Read Babs' entry */
>             Attributes attrs = ctx.getAttributes(Env.ENTRYDN);
>             if (attrs == null) {
>                 System.out.println(Env.ENTRYDN + "has no attributes");
>             } else {
>                 /* print each attribute */
>                 for (NamingEnumeration ae = attrs.getAll();
>                      ae.hasMoreElements();) {
>                     Attribute attr = (Attribute) ae.next();
>                     String attrId = attr.getID();
>                     /* print each value */
>                     for (NamingEnumeration vals = attr.getAll();
>                          vals.hasMoreElements();
>                          System.out.println(attrId + ": " + vals.nextElement()))
>                         ;
>                 }
>             }
>         } catch (NamingException e) {
>             System.err.println("Rdentry example failed. ");
>             e.printStackTrace();
>         }
>     }
>     }

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