/*
 * 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):
 */
/*
 *  Copyright (c) 1990 Regents of the University of Michigan.
 *  All rights reserved.
 */
/*
 *  getentry.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"

LDAPMessage *
LDAP_CALL
ldap_first_entry( LDAP *ld, LDAPMessage *chain )
{
        if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || chain == NULLMSG ) {
                return( NULLMSG );
        }

        if ( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
                return( chain );
        }

        return( ldap_next_entry( ld, chain ));
}


LDAPMessage *
LDAP_CALL
ldap_next_entry( LDAP *ld, LDAPMessage *entry )
{
        if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || entry == NULLMSG ) {
                return( NULLMSG );
        }

        for ( entry = entry->lm_chain; entry != NULLMSG;
            entry = entry->lm_chain ) {
                if ( entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
                        return( entry );
                }
        }

        return( NULLMSG );
}

int
LDAP_CALL
ldap_count_entries( LDAP *ld, LDAPMessage *chain )
{
        int     i;

        if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
                return( -1 );
        }

        for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
                if ( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
                        ++i;
                }
        }

        return( i );
}


int
LDAP_CALL
ldap_get_entry_controls( LDAP *ld, LDAPMessage *entry,
        LDAPControl ***serverctrlsp )
{
        int             rc;
        BerElement      tmpber;

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

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

        if ( !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )
            || serverctrlsp == NULL ) {
                rc = LDAP_PARAM_ERROR;
                goto report_error_and_return;
        }

        *serverctrlsp = NULL;
        tmpber = *entry->lm_ber;        /* struct copy */

        /* skip past dn and entire attribute/value list */
        if ( ber_scanf( &tmpber, "{xx" ) == LBER_ERROR ) {
                rc = LDAP_DECODING_ERROR;
                goto report_error_and_return;
        }

        rc = nsldapi_get_controls( &tmpber, serverctrlsp );

report_error_and_return:
        LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
        return( rc );
}