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325 lines
6.8 KiB
C
325 lines
6.8 KiB
C
/* init.c - initialize various things */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2021 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* Portions Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include "slap.h"
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#include "lber_pvt.h"
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#include "ldap_rq.h"
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/*
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* read-only global variables or variables only written by the listener
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* thread (after they are initialized) - no need to protect them with a mutex.
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*/
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int slap_debug = 0;
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#ifdef LDAP_DEBUG
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int ldap_syslog = LDAP_DEBUG_STATS;
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#else
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int ldap_syslog;
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#endif
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#ifdef LOG_DEBUG
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int ldap_syslog_level = LOG_DEBUG;
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#endif
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BerVarray default_referral = NULL;
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/*
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* global variables that need mutex protection
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*/
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ldap_pvt_thread_pool_t connection_pool;
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int connection_pool_max = SLAP_MAX_WORKER_THREADS;
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int connection_pool_queues = 1;
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int slap_tool_thread_max = 1;
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slap_counters_t slap_counters, *slap_counters_list;
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static const char* slap_name = NULL;
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int slapMode = SLAP_UNDEFINED_MODE;
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int
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slap_init( int mode, const char *name )
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{
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int rc;
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assert( mode );
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if ( slapMode != SLAP_UNDEFINED_MODE ) {
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/* Make sure we write something to stderr */
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s init: init called twice (old=%d, new=%d)\n",
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name, slapMode, mode );
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return 1;
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}
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slapMode = mode;
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slap_op_init();
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#ifdef SLAPD_MODULES
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if ( module_init() != 0 ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: module_init failed\n",
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name );
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return 1;
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}
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#endif
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if ( slap_schema_init( ) != 0 ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: slap_schema_init failed\n",
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name );
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return 1;
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}
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if ( filter_init() != 0 ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: filter_init failed\n",
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name );
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return 1;
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}
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if ( entry_init() != 0 ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: entry_init failed\n",
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name );
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return 1;
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}
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switch ( slapMode & SLAP_MODE ) {
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case SLAP_SERVER_MODE:
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root_dse_init();
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/* FALLTHRU */
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case SLAP_TOOL_MODE:
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Debug( LDAP_DEBUG_TRACE,
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"%s init: initiated %s.\n", name,
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(mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" );
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slap_name = name;
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ldap_pvt_thread_pool_init_q( &connection_pool,
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connection_pool_max, 0, connection_pool_queues);
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slap_counters_init( &slap_counters );
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ldap_pvt_thread_mutex_init( &slapd_rq.rq_mutex );
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LDAP_STAILQ_INIT( &slapd_rq.task_list );
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LDAP_STAILQ_INIT( &slapd_rq.run_list );
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slap_passwd_init();
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rc = slap_sasl_init();
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if( rc == 0 ) {
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rc = backend_init( );
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}
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if ( rc )
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return rc;
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break;
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default:
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s init: undefined mode (%d).\n", name, mode );
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rc = 1;
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break;
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}
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if ( slap_controls_init( ) != 0 ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: slap_controls_init failed\n",
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name );
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return 1;
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}
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if ( frontend_init() ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: frontend_init failed\n",
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name );
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return 1;
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}
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if ( overlay_init() ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: overlay_init failed\n",
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name );
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return 1;
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}
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if ( glue_sub_init() ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: glue/subordinate init failed\n",
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name );
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return 1;
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}
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if ( acl_init() ) {
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slap_debug |= LDAP_DEBUG_NONE;
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Debug( LDAP_DEBUG_ANY,
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"%s: acl_init failed\n",
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name );
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return 1;
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}
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return rc;
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}
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int slap_startup( Backend *be )
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{
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int rc;
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Debug( LDAP_DEBUG_TRACE,
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"%s startup: initiated.\n",
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slap_name );
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rc = backend_startup( be );
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if ( !rc && ( slapMode & SLAP_SERVER_MODE ))
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slapMode |= SLAP_SERVER_RUNNING;
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return rc;
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}
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int slap_shutdown( Backend *be )
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{
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Debug( LDAP_DEBUG_TRACE,
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"%s shutdown: initiated\n",
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slap_name );
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/* Make sure the pool stops now even if we did not start up fully */
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ldap_pvt_thread_pool_close( &connection_pool, 1 );
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/* let backends do whatever cleanup they need to do */
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return backend_shutdown( be );
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}
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int slap_destroy(void)
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{
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int rc;
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Debug( LDAP_DEBUG_TRACE,
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"%s destroy: freeing system resources.\n",
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slap_name );
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if ( default_referral ) {
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ber_bvarray_free( default_referral );
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}
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ldap_pvt_thread_pool_free( &connection_pool );
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/* clear out any thread-keys for the main thread */
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ldap_pvt_thread_pool_context_reset( ldap_pvt_thread_pool_context());
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rc = backend_destroy();
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slap_sasl_destroy();
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/* rootdse destroy goes before entry_destroy()
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* because it may use entry_free() */
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root_dse_destroy();
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entry_destroy();
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switch ( slapMode & SLAP_MODE ) {
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case SLAP_SERVER_MODE:
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case SLAP_TOOL_MODE:
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slap_counters_destroy( &slap_counters );
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break;
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default:
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Debug( LDAP_DEBUG_ANY,
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"slap_destroy(): undefined mode (%d).\n", slapMode );
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rc = 1;
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break;
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}
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slap_op_destroy();
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ldap_pvt_thread_destroy();
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/* should destroy the above mutex */
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return rc;
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}
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void slap_counters_init( slap_counters_t *sc )
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{
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int i;
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ldap_pvt_thread_mutex_init( &sc->sc_mutex );
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ldap_pvt_mp_init( sc->sc_bytes );
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ldap_pvt_mp_init( sc->sc_pdu );
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ldap_pvt_mp_init( sc->sc_entries );
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ldap_pvt_mp_init( sc->sc_refs );
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ldap_pvt_mp_init( sc->sc_ops_initiated );
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ldap_pvt_mp_init( sc->sc_ops_completed );
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for ( i = 0; i < SLAP_OP_LAST; i++ ) {
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ldap_pvt_mp_init( sc->sc_ops_initiated_[ i ] );
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ldap_pvt_mp_init( sc->sc_ops_completed_[ i ] );
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}
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}
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void slap_counters_destroy( slap_counters_t *sc )
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{
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int i;
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ldap_pvt_thread_mutex_destroy( &sc->sc_mutex );
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ldap_pvt_mp_clear( sc->sc_bytes );
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ldap_pvt_mp_clear( sc->sc_pdu );
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ldap_pvt_mp_clear( sc->sc_entries );
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ldap_pvt_mp_clear( sc->sc_refs );
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ldap_pvt_mp_clear( sc->sc_ops_initiated );
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ldap_pvt_mp_clear( sc->sc_ops_completed );
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for ( i = 0; i < SLAP_OP_LAST; i++ ) {
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ldap_pvt_mp_clear( sc->sc_ops_initiated_[ i ] );
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ldap_pvt_mp_clear( sc->sc_ops_completed_[ i ] );
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}
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}
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