Re: Protocol Error with ldap_bind_s

["Kirk A. Turner-Rustin" <ktrustin@owu.edu>]

On Fri, 11 Mar 2005 Christophe.Senzot@steria.be wrote:

> Hi,
>
> I'm trying to use the C API to connect to  LDAP but I always get a
> "protocol error" (return code = 2) when executing the ldap_simple_bind_s
> function.
> Here is the source, can anyone help me ?

int version = LDAP_VERSION3;	/* Assuming you want LDAPv3 */

> m_LDAP = ldap_init( HOST_IP , LDAP_PORT );
> if( m_LDAP == NULL )
> {
>     printf("ldap_init error\n");
>     return 1;
> }

if (ldap_set_option(m_LDAP, LDAP_OPT_PROTOCOL_VERSION, &version)
    != LDAP_SUCCESS)
{
    printf("ldap_set_option error\n");
    return 1;
}

> ulRet = ldap_simple_bind_s( m_LDAP, NULL, NULL) ;
> if( ulRet != LDAP_SUCCESS )
> {
>     printf("ldap_simple_bind_s <%s> (%d)\n", ldap_err2string(ulRet),
> ulRet);
>     ldap_unbind( m_LDAP);
>     return ulRet;
> }
>
> -> the error message I have is "ldap_simple_bind_s <Protocol Error> (2)"
>
> Any advice would be appreciate, thanks in advance.

Studying the source code for ldapsearch in the OpenLDAP distribution
is an excellent way to start out writing clients.

> Christophe.

--
  Kirk Turner-Rustin       | Programmer/Analyst
  Ohio Wesleyan University | Libraries and Information Services
  http://www.owu.edu       | http://lis.owu.edu