1 /* $NetBSD: init.c,v 1.3 2021/08/14 16:14:58 christos Exp $ */
2
3 /* init.c - initialize various things */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1998-2021 The OpenLDAP Foundation.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
19 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms are permitted
22 * provided that this notice is preserved and that due credit is given
23 * to the University of Michigan at Ann Arbor. The name of the University
24 * may not be used to endorse or promote products derived from this
25 * software without specific prior written permission. This software
26 * is provided ``as is'' without express or implied warranty.
27 */
28
29 #include <sys/cdefs.h>
30 __RCSID("$NetBSD: init.c,v 1.3 2021/08/14 16:14:58 christos Exp $");
31
32 #include "portable.h"
33
34 #include <stdio.h>
35
36 #include <ac/socket.h>
37 #include <ac/string.h>
38 #include <ac/time.h>
39
40 #include "slap.h"
41 #include "lber_pvt.h"
42
43 #include "ldap_rq.h"
44
45 /*
46 * read-only global variables or variables only written by the listener
47 * thread (after they are initialized) - no need to protect them with a mutex.
48 */
49 int slap_debug = 0;
50
51 #ifdef LDAP_DEBUG
52 int ldap_syslog = LDAP_DEBUG_STATS;
53 #else
54 int ldap_syslog;
55 #endif
56
57 #ifdef LOG_DEBUG
58 int ldap_syslog_level = LOG_DEBUG;
59 #endif
60
61 BerVarray default_referral = NULL;
62
63 /*
64 * global variables that need mutex protection
65 */
66 ldap_pvt_thread_pool_t connection_pool;
67 int connection_pool_max = SLAP_MAX_WORKER_THREADS;
68 int connection_pool_queues = 1;
69 int slap_tool_thread_max = 1;
70
71 slap_counters_t slap_counters, *slap_counters_list;
72
73 static const char* slap_name = NULL;
74 int slapMode = SLAP_UNDEFINED_MODE;
75
76 int
slap_init(int mode,const char * name)77 slap_init( int mode, const char *name )
78 {
79 int rc;
80
81 assert( mode );
82
83 if ( slapMode != SLAP_UNDEFINED_MODE ) {
84 /* Make sure we write something to stderr */
85 slap_debug |= LDAP_DEBUG_NONE;
86 Debug( LDAP_DEBUG_ANY,
87 "%s init: init called twice (old=%d, new=%d)\n",
88 name, slapMode, mode );
89
90 return 1;
91 }
92
93 slapMode = mode;
94
95 slap_op_init();
96
97 ldap_pvt_thread_mutex_init( &slapd_init_mutex );
98 ldap_pvt_thread_cond_init( &slapd_init_cond );
99
100 #ifdef SLAPD_MODULES
101 if ( module_init() != 0 ) {
102 slap_debug |= LDAP_DEBUG_NONE;
103 Debug( LDAP_DEBUG_ANY,
104 "%s: module_init failed\n",
105 name );
106 return 1;
107 }
108 #endif
109
110 if ( slap_schema_init( ) != 0 ) {
111 slap_debug |= LDAP_DEBUG_NONE;
112 Debug( LDAP_DEBUG_ANY,
113 "%s: slap_schema_init failed\n",
114 name );
115 return 1;
116 }
117
118 if ( filter_init() != 0 ) {
119 slap_debug |= LDAP_DEBUG_NONE;
120 Debug( LDAP_DEBUG_ANY,
121 "%s: filter_init failed\n",
122 name );
123 return 1;
124 }
125
126 if ( entry_init() != 0 ) {
127 slap_debug |= LDAP_DEBUG_NONE;
128 Debug( LDAP_DEBUG_ANY,
129 "%s: entry_init failed\n",
130 name );
131 return 1;
132 }
133
134 switch ( slapMode & SLAP_MODE ) {
135 case SLAP_SERVER_MODE:
136 root_dse_init();
137
138 /* FALLTHRU */
139 case SLAP_TOOL_MODE:
140 Debug( LDAP_DEBUG_TRACE,
141 "%s init: initiated %s.\n", name,
142 (mode & SLAP_MODE) == SLAP_TOOL_MODE ? "tool" : "server" );
143
144 slap_name = name;
145
146 ldap_pvt_thread_pool_init_q( &connection_pool,
147 connection_pool_max, 0, connection_pool_queues);
148
149 slap_counters_init( &slap_counters );
150
151 ldap_pvt_thread_mutex_init( &slapd_rq.rq_mutex );
152 LDAP_STAILQ_INIT( &slapd_rq.task_list );
153 LDAP_STAILQ_INIT( &slapd_rq.run_list );
154
155 slap_passwd_init();
156
157 rc = slap_sasl_init();
158
159 if( rc == 0 ) {
160 rc = backend_init( );
161 }
162 if ( rc )
163 return rc;
164
165 break;
166
167 default:
168 slap_debug |= LDAP_DEBUG_NONE;
169 Debug( LDAP_DEBUG_ANY,
170 "%s init: undefined mode (%d).\n", name, mode );
171
172 rc = 1;
173 break;
174 }
175
176 if ( slap_controls_init( ) != 0 ) {
177 slap_debug |= LDAP_DEBUG_NONE;
178 Debug( LDAP_DEBUG_ANY,
179 "%s: slap_controls_init failed\n",
180 name );
181 return 1;
182 }
183
184 if ( frontend_init() ) {
185 slap_debug |= LDAP_DEBUG_NONE;
186 Debug( LDAP_DEBUG_ANY,
187 "%s: frontend_init failed\n",
188 name );
189 return 1;
190 }
191
192 if ( overlay_init() ) {
193 slap_debug |= LDAP_DEBUG_NONE;
194 Debug( LDAP_DEBUG_ANY,
195 "%s: overlay_init failed\n",
196 name );
197 return 1;
198 }
199
200 if ( glue_sub_init() ) {
201 slap_debug |= LDAP_DEBUG_NONE;
202 Debug( LDAP_DEBUG_ANY,
203 "%s: glue/subordinate init failed\n",
204 name );
205
206 return 1;
207 }
208
209 if ( acl_init() ) {
210 slap_debug |= LDAP_DEBUG_NONE;
211 Debug( LDAP_DEBUG_ANY,
212 "%s: acl_init failed\n",
213 name );
214 return 1;
215 }
216
217 return rc;
218 }
219
slap_startup(Backend * be)220 int slap_startup( Backend *be )
221 {
222 int rc;
223 Debug( LDAP_DEBUG_TRACE,
224 "%s startup: initiated.\n",
225 slap_name );
226
227 rc = backend_startup( be );
228 if ( !rc && ( slapMode & SLAP_SERVER_MODE ))
229 slapMode |= SLAP_SERVER_RUNNING;
230 return rc;
231 }
232
slap_shutdown(Backend * be)233 int slap_shutdown( Backend *be )
234 {
235 Debug( LDAP_DEBUG_TRACE,
236 "%s shutdown: initiated\n",
237 slap_name );
238
239 /* Make sure the pool stops now even if we did not start up fully */
240 ldap_pvt_thread_pool_close( &connection_pool, 1 );
241
242 /* let backends do whatever cleanup they need to do */
243 return backend_shutdown( be );
244 }
245
slap_destroy(void)246 int slap_destroy(void)
247 {
248 int rc;
249
250 Debug( LDAP_DEBUG_TRACE,
251 "%s destroy: freeing system resources.\n",
252 slap_name );
253
254 if ( default_referral ) {
255 ber_bvarray_free( default_referral );
256 }
257
258 ldap_pvt_thread_pool_free( &connection_pool );
259
260 /* clear out any thread-keys for the main thread */
261 ldap_pvt_thread_pool_context_reset( ldap_pvt_thread_pool_context());
262
263 rc = backend_destroy();
264
265 slap_sasl_destroy();
266
267 /* rootdse destroy goes before entry_destroy()
268 * because it may use entry_free() */
269 root_dse_destroy();
270 entry_destroy();
271
272 switch ( slapMode & SLAP_MODE ) {
273 case SLAP_SERVER_MODE:
274 case SLAP_TOOL_MODE:
275 slap_counters_destroy( &slap_counters );
276 break;
277
278 default:
279 Debug( LDAP_DEBUG_ANY,
280 "slap_destroy(): undefined mode (%d).\n", slapMode );
281
282 rc = 1;
283 break;
284
285 }
286
287 ldap_pvt_thread_mutex_destroy( &slapd_init_mutex );
288 ldap_pvt_thread_cond_destroy( &slapd_init_cond );
289
290 slap_op_destroy();
291
292 ldap_pvt_thread_destroy();
293
294 /* should destroy the above mutex */
295 return rc;
296 }
297
slap_counters_init(slap_counters_t * sc)298 void slap_counters_init( slap_counters_t *sc )
299 {
300 int i;
301
302 ldap_pvt_thread_mutex_init( &sc->sc_mutex );
303 ldap_pvt_mp_init( sc->sc_bytes );
304 ldap_pvt_mp_init( sc->sc_pdu );
305 ldap_pvt_mp_init( sc->sc_entries );
306 ldap_pvt_mp_init( sc->sc_refs );
307
308 ldap_pvt_mp_init( sc->sc_ops_initiated );
309 ldap_pvt_mp_init( sc->sc_ops_completed );
310
311 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
312 ldap_pvt_mp_init( sc->sc_ops_initiated_[ i ] );
313 ldap_pvt_mp_init( sc->sc_ops_completed_[ i ] );
314 }
315 }
316
slap_counters_destroy(slap_counters_t * sc)317 void slap_counters_destroy( slap_counters_t *sc )
318 {
319 int i;
320
321 ldap_pvt_thread_mutex_destroy( &sc->sc_mutex );
322 ldap_pvt_mp_clear( sc->sc_bytes );
323 ldap_pvt_mp_clear( sc->sc_pdu );
324 ldap_pvt_mp_clear( sc->sc_entries );
325 ldap_pvt_mp_clear( sc->sc_refs );
326
327 ldap_pvt_mp_clear( sc->sc_ops_initiated );
328 ldap_pvt_mp_clear( sc->sc_ops_completed );
329
330 for ( i = 0; i < SLAP_OP_LAST; i++ ) {
331 ldap_pvt_mp_clear( sc->sc_ops_initiated_[ i ] );
332 ldap_pvt_mp_clear( sc->sc_ops_completed_[ i ] );
333 }
334 }
335
336