/** BEGIN COPYRIGHT BLOCK
 * Copyright (C) 2009 Red Hat, Inc.
 * All rights reserved.
 *
 * License: GPL (version 3 or any later version).
 * See LICENSE for details. 
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "slap.h"

/* Fix for bug # 394184, SD, 20 Jul 00 */
/* fix and cleanup (switch(code) {} removed) */
/* arg 'code' has now the correct sortResult value */
int
sort_make_sort_response_control ( Slapi_PBlock *pb, int code, char *error_type)
{

    LDAPControl     new_ctrl = {0};
    BerElement      *ber= NULL;    
    struct berval   *bvp = NULL;
    int             rc = -1;
    ber_int_t       control_code;
    int             pr_idx = -1;

    slapi_pblock_get(pb, SLAPI_PAGED_RESULTS_INDEX, &pr_idx);

    if (code == CONN_GET_SORT_RESULT_CODE) {
        code = pagedresults_get_sort_result_code(pb->pb_conn,
                                                 pb->pb_op, pr_idx);
    } else {
        Slapi_Operation *operation;
        slapi_pblock_get (pb, SLAPI_OPERATION, &operation);
        if (op_is_pagedresults(operation)) {
            pagedresults_set_sort_result_code(pb->pb_conn,
                                              pb->pb_op, code, pr_idx);
        }
    }

    control_code = code;

    /*
       SortResult ::= SEQUENCE {
         sortResult  ENUMERATED {
            success                   (0), -- results are sorted
            operationsError           (1), -- server internal failure
            timeLimitExceeded         (3), -- timelimit reached before
                                           -- sorting was completed
            strongAuthRequired        (8), -- refused to return sorted
                                           -- results via insecure
                                           -- protocol
            adminLimitExceeded       (11), -- too many matching entries
                                           -- for the server to sort
            noSuchAttribute          (16), -- unrecognized attribute
                                           -- type in sort key
            inappropriateMatching    (18), -- unrecognized or inappro-
                                           -- priate matching rule in
                                           -- sort key
            insufficientAccessRights (50), -- refused to return sorted
                                           -- results to this client
            busy                     (51), -- too busy to process
            unwillingToPerform       (53), -- unable to sort
            other                    (80)
         },
         attributeType [0] AttributeType OPTIONAL
       }
     */
    
    if ( ( ber = ber_alloc()) == NULL ) {
        return -1;
    }

    if (( rc = ber_printf( ber, "{e", control_code )) != -1 ) {
        if ( rc != -1 && NULL != error_type ) {
            rc = ber_printf( ber, "s", error_type );
        }
        if ( rc != -1 ) {
            rc = ber_printf( ber, "}" );
        }
    }
    if ( rc != -1 ) {
        rc = ber_flatten( ber, &bvp );
    }
    
    ber_free( ber, 1 );

    if ( rc == -1 ) {
        return rc;
    }
        
    new_ctrl.ldctl_oid = LDAP_CONTROL_SORTRESPONSE;
    new_ctrl.ldctl_value = *bvp;
    new_ctrl.ldctl_iscritical = 1;         

    if ( slapi_pblock_set( pb, SLAPI_ADD_RESCONTROL, &new_ctrl ) != 0 ) {
            ber_bvfree(bvp);
            return( -1 );
    }

        ber_bvfree(bvp);
    return( LDAP_SUCCESS );
}
/* End fix for bug #394184 */