1/* frontend.c - routines for dealing with frontend */ 2/* $OpenLDAP$ */ 3/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 4 * 5 * Copyright 1998-2011 The OpenLDAP Foundation. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted only as authorized by the OpenLDAP 10 * Public License. 11 * 12 * A copy of this license is available in the file LICENSE in the 13 * top-level directory of the distribution or, alternatively, at 14 * <http://www.OpenLDAP.org/license.html>. 15 */ 16/* Portions Copyright (c) 1995 Regents of the University of Michigan. 17 * All rights reserved. 18 * 19 * Redistribution and use in source and binary forms are permitted 20 * provided that this notice is preserved and that due credit is given 21 * to the University of Michigan at Ann Arbor. The name of the University 22 * may not be used to endorse or promote products derived from this 23 * software without specific prior written permission. This software 24 * is provided ``as is'' without express or implied warranty. 25 */ 26 27 28#include "portable.h" 29 30#include <stdio.h> 31 32#include <ac/string.h> 33#include <ac/socket.h> 34#include <sys/stat.h> 35 36#include "slap.h" 37#include "lutil.h" 38#include "lber_pvt.h" 39 40#include "ldap_rq.h" 41 42static BackendInfo slap_frontendInfo; 43static BackendDB slap_frontendDB; 44BackendDB *frontendDB; 45 46static int 47fe_entry_get_rw( 48 Operation *op, 49 struct berval *ndn, 50 ObjectClass *oc, 51 AttributeDescription *at, 52 int rw, 53 Entry **e ) 54{ 55 BackendDB *bd; 56 int rc = LDAP_NO_SUCH_OBJECT; 57 58 bd = op->o_bd; 59 op->o_bd = select_backend( ndn, 0 ); 60 if ( op->o_bd != NULL ) { 61 if ( op->o_bd->be_fetch ) { 62 rc = op->o_bd->be_fetch( op, ndn, oc, at, rw, e ); 63 } 64 } 65 op->o_bd = bd; 66 67 return rc; 68} 69 70static int 71fe_entry_release_rw( 72 Operation *op, 73 Entry *e, 74 int rw ) 75{ 76 BackendDB *bd; 77 int rc = LDAP_NO_SUCH_OBJECT; 78 79 bd = op->o_bd; 80 op->o_bd = select_backend( &e->e_nname, 0 ); 81 if ( op->o_bd != NULL ) { 82 if ( op->o_bd->be_release ) { 83 rc = op->o_bd->be_release( op, e, rw ); 84 } 85 } 86 op->o_bd = bd; 87 88 return rc; 89} 90 91int 92frontend_init( void ) 93{ 94 /* data */ 95 frontendDB = &slap_frontendDB; 96 frontendDB->bd_self = frontendDB; 97 98 /* ACLs */ 99 frontendDB->be_dfltaccess = ACL_READ; 100 101 /* limits */ 102 frontendDB->be_def_limit.lms_t_soft = SLAPD_DEFAULT_TIMELIMIT; /* backward compatible limits */ 103 frontendDB->be_def_limit.lms_t_hard = 0; 104 frontendDB->be_def_limit.lms_s_soft = SLAPD_DEFAULT_SIZELIMIT; /* backward compatible limits */ 105 frontendDB->be_def_limit.lms_s_hard = 0; 106 frontendDB->be_def_limit.lms_s_unchecked = -1; /* no limit on unchecked size */ 107 frontendDB->be_def_limit.lms_s_pr = 0; /* page limit */ 108 frontendDB->be_def_limit.lms_s_pr_hide = 0; /* don't hide number of entries left */ 109 frontendDB->be_def_limit.lms_s_pr_total = 0; /* number of total entries returned by pagedResults equal to hard limit */ 110 111 ldap_pvt_thread_mutex_init( &frontendDB->be_pcl_mutex ); 112 113 /* suffix */ 114 frontendDB->be_suffix = ch_calloc( 2, sizeof( struct berval ) ); 115 ber_str2bv( "", 0, 1, &frontendDB->be_suffix[0] ); 116 BER_BVZERO( &frontendDB->be_suffix[1] ); 117 frontendDB->be_nsuffix = ch_calloc( 2, sizeof( struct berval ) ); 118 ber_str2bv( "", 0, 1, &frontendDB->be_nsuffix[0] ); 119 BER_BVZERO( &frontendDB->be_nsuffix[1] ); 120 121 /* info */ 122 frontendDB->bd_info = &slap_frontendInfo; 123 124 SLAP_BFLAGS(frontendDB) |= SLAP_BFLAG_FRONTEND; 125 126 /* name */ 127 frontendDB->bd_info->bi_type = "frontend"; 128 129 /* known controls */ 130 { 131 int i; 132 133 frontendDB->bd_info->bi_controls = slap_known_controls; 134 135 for ( i = 0; slap_known_controls[ i ]; i++ ) { 136 int cid; 137 138 if ( slap_find_control_id( slap_known_controls[ i ], &cid ) 139 == LDAP_CONTROL_NOT_FOUND ) 140 { 141 assert( 0 ); 142 return -1; 143 } 144 145 frontendDB->bd_info->bi_ctrls[ cid ] = 1; 146 frontendDB->be_ctrls[ cid ] = 1; 147 } 148 } 149 150 /* calls */ 151 frontendDB->bd_info->bi_op_abandon = fe_op_abandon; 152 frontendDB->bd_info->bi_op_add = fe_op_add; 153 frontendDB->bd_info->bi_op_bind = fe_op_bind; 154 frontendDB->bd_info->bi_op_compare = fe_op_compare; 155 frontendDB->bd_info->bi_op_delete = fe_op_delete; 156 frontendDB->bd_info->bi_op_modify = fe_op_modify; 157 frontendDB->bd_info->bi_op_modrdn = fe_op_modrdn; 158 frontendDB->bd_info->bi_op_search = fe_op_search; 159 frontendDB->bd_info->bi_extended = fe_extended; 160 frontendDB->bd_info->bi_operational = fe_aux_operational; 161 frontendDB->bd_info->bi_entry_get_rw = fe_entry_get_rw; 162 frontendDB->bd_info->bi_entry_release_rw = fe_entry_release_rw; 163 frontendDB->bd_info->bi_access_allowed = fe_access_allowed; 164 frontendDB->bd_info->bi_acl_group = fe_acl_group; 165 frontendDB->bd_info->bi_acl_attribute = fe_acl_attribute; 166 167#if 0 168 /* FIXME: is this too early? */ 169 return backend_startup_one( frontendDB ); 170#endif 171 172 return 0; 173} 174 175