/*
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation. Portions created by Netscape are
 * Copyright (C) 1998-1999 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s):
 */
/*
 *  delete.c
 */

#if 0
#ifndef lint
static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
#endif
#endif

#include "ldap-int.h"

/*
 * ldap_delete - initiate an ldap delete operation. Parameters:
 *
 *      ld              LDAP descriptor
 *      dn              DN of the object to delete
 *
 * Example:
 *      msgid = ldap_delete( ld, dn );
 */
int
LDAP_CALL
ldap_delete( LDAP *ld, const char *dn )
{
        int     msgid;

        LDAPDebug( LDAP_DEBUG_TRACE, "ldap_delete\n", 0, 0, 0 );

        if ( ldap_delete_ext( ld, dn, NULL, NULL, &msgid ) == LDAP_SUCCESS ) {
                return( msgid );
        } else {
                return( -1 );   /* error is in ld handle */
        }
}

int
LDAP_CALL
ldap_delete_ext( LDAP *ld, const char *dn, LDAPControl **serverctrls,
    LDAPControl **clientctrls, int *msgidp )
{
        BerElement      *ber;
        int             rc, lderr;

        /*
         * A delete request looks like this:
         *      DelRequet ::= DistinguishedName,
         */

        LDAPDebug( LDAP_DEBUG_TRACE, "ldap_delete_ext\n", 0, 0, 0 );

        if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
                return( LDAP_PARAM_ERROR );
        }

        if ( !NSLDAPI_VALID_LDAPMESSAGE_POINTER( msgidp ))
        {
                LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
                return( LDAP_PARAM_ERROR );
        }
        if ( dn == NULL ) {
                dn = "";
        }

        LDAP_MUTEX_LOCK( ld, LDAP_MSGID_LOCK );
        *msgidp = ++ld->ld_msgid;
        LDAP_MUTEX_UNLOCK( ld, LDAP_MSGID_LOCK );

        /* see if we should add to the cache */
        if ( ld->ld_cache_on && ld->ld_cache_delete != NULL ) {
                LDAP_MUTEX_LOCK( ld, LDAP_CACHE_LOCK );
                if ( (rc = (ld->ld_cache_delete)( ld, *msgidp, LDAP_REQ_DELETE,
                    dn )) != 0 ) {
                        *msgidp = rc;
                        LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
                        return( LDAP_SUCCESS );
                }
                LDAP_MUTEX_UNLOCK( ld, LDAP_CACHE_LOCK );
        }

        /* create a message to send */
        if (( lderr = nsldapi_alloc_ber_with_options( ld, &ber ))
            != LDAP_SUCCESS ) {
                return( lderr );
        }

        if ( ber_printf( ber, "{its", *msgidp, LDAP_REQ_DELETE, dn )
            == -1 ) {
                lderr = LDAP_ENCODING_ERROR;
                LDAP_SET_LDERRNO( ld, lderr, NULL, NULL );
                ber_free( ber, 1 );
                return( lderr );
        }

        if (( lderr = nsldapi_put_controls( ld, serverctrls, 1, ber ))
            != LDAP_SUCCESS ) {
                ber_free( ber, 1 );
                return( lderr );
        }

        /* send the message */
        rc = nsldapi_send_initial_request( ld, *msgidp, LDAP_REQ_DELETE,
                (char *)dn, ber );
        *msgidp = rc;
        return( rc < 0 ? LDAP_GET_LDERRNO( ld, NULL, NULL ) : LDAP_SUCCESS );
}

int
LDAP_CALL
ldap_delete_s( LDAP *ld, const char *dn )
{
        return( ldap_delete_ext_s( ld, dn, NULL, NULL ));
}

int
LDAP_CALL
ldap_delete_ext_s( LDAP *ld, const char *dn, LDAPControl **serverctrls,
    LDAPControl **clientctrls )
{
        int             err, msgid;
        LDAPMessage     *res;

        if (( err = ldap_delete_ext( ld, dn, serverctrls, clientctrls,
            &msgid )) != LDAP_SUCCESS ) {
                return( err );
        }

        if ( ldap_result( ld, msgid, 1, (struct timeval *)NULL, &res ) == -1 ) {
                return( LDAP_GET_LDERRNO( ld, NULL, NULL ) );
        }

        return( ldap_result2error( ld, res, 1 ) );
}