openldap/servers/slapd/init.c
Quanah Gibson-Mount efaf9a4a17 Happy New Year!
2021-01-11 19:25:53 +00:00

325 lines
6.8 KiB
C

/* init.c - initialize various things */
/* $OpenLDAP$ */
/* 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/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "slap.h"
#include "lber_pvt.h"
#include "ldap_rq.h"
/*
* read-only global variables or variables only written by the listener
* thread (after they are initialized) - no need to protect them with a mutex.
*/
int slap_debug = 0;
#ifdef LDAP_DEBUG
int ldap_syslog = LDAP_DEBUG_STATS;
#else
int ldap_syslog;
#endif
#ifdef LOG_DEBUG
int ldap_syslog_level = LOG_DEBUG;
#endif
BerVarray default_referral = NULL;
/*
* global variables that need mutex protection
*/
ldap_pvt_thread_pool_t connection_pool;
int connection_pool_max = SLAP_MAX_WORKER_THREADS;
int connection_pool_queues = 1;
int slap_tool_thread_max = 1;
slap_counters_t slap_counters, *slap_counters_list;
static const char* slap_name = NULL;
int slapMode = SLAP_UNDEFINED_MODE;
int
slap_init( int mode, const char *name )
{
int rc;
assert( mode );
if ( slapMode != SLAP_UNDEFINED_MODE ) {
/* Make sure we write something to stderr */
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s init: init called twice (old=%d, new=%d)\n",
name, slapMode, mode );
return 1;
}
slapMode = mode;
slap_op_init();
#ifdef SLAPD_MODULES
if ( module_init() != 0 ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: module_init failed\n",
name );
return 1;
}
#endif
if ( slap_schema_init( ) != 0 ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: slap_schema_init failed\n",
name );
return 1;
}
if ( filter_init() != 0 ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: filter_init failed\n",
name );
return 1;
}
if ( entry_init() != 0 ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: entry_init failed\n",
name );
return 1;
}
switch ( slapMode & SLAP_MODE ) {
case SLAP_SERVER_MODE:
root_dse_init();
/* FALLTHRU */
case SLAP_TOOL_MODE:
Debug( LDAP_DEBUG_TRACE,
"%s init: initiated %s.\n", name,
(mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" );
slap_name = name;
ldap_pvt_thread_pool_init_q( &connection_pool,
connection_pool_max, 0, connection_pool_queues);
slap_counters_init( &slap_counters );
ldap_pvt_thread_mutex_init( &slapd_rq.rq_mutex );
LDAP_STAILQ_INIT( &slapd_rq.task_list );
LDAP_STAILQ_INIT( &slapd_rq.run_list );
slap_passwd_init();
rc = slap_sasl_init();
if( rc == 0 ) {
rc = backend_init( );
}
if ( rc )
return rc;
break;
default:
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s init: undefined mode (%d).\n", name, mode );
rc = 1;
break;
}
if ( slap_controls_init( ) != 0 ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: slap_controls_init failed\n",
name );
return 1;
}
if ( frontend_init() ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: frontend_init failed\n",
name );
return 1;
}
if ( overlay_init() ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: overlay_init failed\n",
name );
return 1;
}
if ( glue_sub_init() ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: glue/subordinate init failed\n",
name );
return 1;
}
if ( acl_init() ) {
slap_debug |= LDAP_DEBUG_NONE;
Debug( LDAP_DEBUG_ANY,
"%s: acl_init failed\n",
name );
return 1;
}
return rc;
}
int slap_startup( Backend *be )
{
int rc;
Debug( LDAP_DEBUG_TRACE,
"%s startup: initiated.\n",
slap_name );
rc = backend_startup( be );
if ( !rc && ( slapMode & SLAP_SERVER_MODE ))
slapMode |= SLAP_SERVER_RUNNING;
return rc;
}
int slap_shutdown( Backend *be )
{
Debug( LDAP_DEBUG_TRACE,
"%s shutdown: initiated\n",
slap_name );
/* Make sure the pool stops now even if we did not start up fully */
ldap_pvt_thread_pool_close( &connection_pool, 1 );
/* let backends do whatever cleanup they need to do */
return backend_shutdown( be );
}
int slap_destroy(void)
{
int rc;
Debug( LDAP_DEBUG_TRACE,
"%s destroy: freeing system resources.\n",
slap_name );
if ( default_referral ) {
ber_bvarray_free( default_referral );
}
ldap_pvt_thread_pool_free( &connection_pool );
/* clear out any thread-keys for the main thread */
ldap_pvt_thread_pool_context_reset( ldap_pvt_thread_pool_context());
rc = backend_destroy();
slap_sasl_destroy();
/* rootdse destroy goes before entry_destroy()
* because it may use entry_free() */
root_dse_destroy();
entry_destroy();
switch ( slapMode & SLAP_MODE ) {
case SLAP_SERVER_MODE:
case SLAP_TOOL_MODE:
slap_counters_destroy( &slap_counters );
break;
default:
Debug( LDAP_DEBUG_ANY,
"slap_destroy(): undefined mode (%d).\n", slapMode );
rc = 1;
break;
}
slap_op_destroy();
ldap_pvt_thread_destroy();
/* should destroy the above mutex */
return rc;
}
void slap_counters_init( slap_counters_t *sc )
{
int i;
ldap_pvt_thread_mutex_init( &sc->sc_mutex );
ldap_pvt_mp_init( sc->sc_bytes );
ldap_pvt_mp_init( sc->sc_pdu );
ldap_pvt_mp_init( sc->sc_entries );
ldap_pvt_mp_init( sc->sc_refs );
ldap_pvt_mp_init( sc->sc_ops_initiated );
ldap_pvt_mp_init( sc->sc_ops_completed );
for ( i = 0; i < SLAP_OP_LAST; i++ ) {
ldap_pvt_mp_init( sc->sc_ops_initiated_[ i ] );
ldap_pvt_mp_init( sc->sc_ops_completed_[ i ] );
}
}
void slap_counters_destroy( slap_counters_t *sc )
{
int i;
ldap_pvt_thread_mutex_destroy( &sc->sc_mutex );
ldap_pvt_mp_clear( sc->sc_bytes );
ldap_pvt_mp_clear( sc->sc_pdu );
ldap_pvt_mp_clear( sc->sc_entries );
ldap_pvt_mp_clear( sc->sc_refs );
ldap_pvt_mp_clear( sc->sc_ops_initiated );
ldap_pvt_mp_clear( sc->sc_ops_completed );
for ( i = 0; i < SLAP_OP_LAST; i++ ) {
ldap_pvt_mp_clear( sc->sc_ops_initiated_[ i ] );
ldap_pvt_mp_clear( sc->sc_ops_completed_[ i ] );
}
}