#include <stdio.h>
#include <ldap.h>

main()
{
	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( "ldap.columbia.edu", LDAP_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 all entries with surname of Jensen */
	if ( ldap_search_s( ld, "o=Columbia University, c=US",
	    LDAP_SCOPE_SUBTREE, "(sn=Jensen)", 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 );
}