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Diffstat (limited to 'servers/slapd/frontend.c')
| -rw-r--r-- | servers/slapd/frontend.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/servers/slapd/frontend.c b/servers/slapd/frontend.c new file mode 100644 index 0000000..6d42b02 --- /dev/null +++ b/servers/slapd/frontend.c @@ -0,0 +1,174 @@ +/* frontend.c - routines for dealing with frontend */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2021 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_pcl_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; +} + |