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/* frontend.c - routines for dealing with frontend */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2024 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include <sys/stat.h>
#include "slap.h"
#include "lutil.h"
#include "lber_pvt.h"
#include "ldap_rq.h"
static BackendInfo slap_frontendInfo;
static BackendDB slap_frontendDB;
BackendDB *frontendDB;
static int
fe_entry_get_rw(
Operation *op,
struct berval *ndn,
ObjectClass *oc,
AttributeDescription *at,
int rw,
Entry **e )
{
BackendDB *bd;
int rc = LDAP_NO_SUCH_OBJECT;
bd = op->o_bd;
op->o_bd = select_backend( ndn, 0 );
if ( op->o_bd != NULL ) {
if ( op->o_bd->be_fetch ) {
rc = op->o_bd->be_fetch( op, ndn, oc, at, rw, e );
}
}
op->o_bd = bd;
return rc;
}
static int
fe_entry_release_rw(
Operation *op,
Entry *e,
int rw )
{
BackendDB *bd;
int rc = LDAP_NO_SUCH_OBJECT;
bd = op->o_bd;
op->o_bd = select_backend( &e->e_nname, 0 );
if ( op->o_bd != NULL ) {
if ( op->o_bd->be_release ) {
rc = op->o_bd->be_release( op, e, rw );
}
}
op->o_bd = bd;
return rc;
}
int
frontend_init( void )
{
/* data */
frontendDB = &slap_frontendDB;
frontendDB->bd_self = frontendDB;
/* ACLs */
frontendDB->be_dfltaccess = ACL_READ;
/* limits */
frontendDB->be_def_limit.lms_t_soft = SLAPD_DEFAULT_TIMELIMIT; /* backward compatible limits */
frontendDB->be_def_limit.lms_t_hard = 0;
frontendDB->be_def_limit.lms_s_soft = SLAPD_DEFAULT_SIZELIMIT; /* backward compatible limits */
frontendDB->be_def_limit.lms_s_hard = 0;
frontendDB->be_def_limit.lms_s_unchecked = -1; /* no limit on unchecked size */
frontendDB->be_def_limit.lms_s_pr = 0; /* page limit */
frontendDB->be_def_limit.lms_s_pr_hide = 0; /* don't hide number of entries left */
frontendDB->be_def_limit.lms_s_pr_total = 0; /* number of total entries returned by pagedResults equal to hard limit */
ldap_pvt_thread_mutex_init( &frontendDB->be_pcsn_st.be_pcsn_mutex );
/* suffix */
frontendDB->be_suffix = ch_calloc( 2, sizeof( struct berval ) );
ber_str2bv( "", 0, 1, &frontendDB->be_suffix[0] );
BER_BVZERO( &frontendDB->be_suffix[1] );
frontendDB->be_nsuffix = ch_calloc( 2, sizeof( struct berval ) );
ber_str2bv( "", 0, 1, &frontendDB->be_nsuffix[0] );
BER_BVZERO( &frontendDB->be_nsuffix[1] );
/* info */
frontendDB->bd_info = &slap_frontendInfo;
SLAP_BFLAGS(frontendDB) |= SLAP_BFLAG_FRONTEND;
/* name */
frontendDB->bd_info->bi_type = "frontend";
/* known controls */
{
int i;
frontendDB->bd_info->bi_controls = slap_known_controls;
for ( i = 0; slap_known_controls[ i ]; i++ ) {
int cid;
if ( slap_find_control_id( slap_known_controls[ i ], &cid )
== LDAP_CONTROL_NOT_FOUND )
{
assert( 0 );
return -1;
}
frontendDB->bd_info->bi_ctrls[ cid ] = 1;
frontendDB->be_ctrls[ cid ] = 1;
}
}
/* calls */
frontendDB->bd_info->bi_op_abandon = fe_op_abandon;
frontendDB->bd_info->bi_op_add = fe_op_add;
frontendDB->bd_info->bi_op_bind = fe_op_bind;
frontendDB->bd_info->bi_op_compare = fe_op_compare;
frontendDB->bd_info->bi_op_delete = fe_op_delete;
frontendDB->bd_info->bi_op_modify = fe_op_modify;
frontendDB->bd_info->bi_op_modrdn = fe_op_modrdn;
frontendDB->bd_info->bi_op_search = fe_op_search;
frontendDB->bd_info->bi_extended = fe_extended;
frontendDB->bd_info->bi_operational = fe_aux_operational;
frontendDB->bd_info->bi_entry_get_rw = fe_entry_get_rw;
frontendDB->bd_info->bi_entry_release_rw = fe_entry_release_rw;
frontendDB->bd_info->bi_access_allowed = fe_access_allowed;
frontendDB->bd_info->bi_acl_group = fe_acl_group;
frontendDB->bd_info->bi_acl_attribute = fe_acl_attribute;
#if 0
/* FIXME: is this too early? */
return backend_startup_one( frontendDB );
#endif
return 0;
}
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