init.c revision 1.1.1.6 1 /* $NetBSD: init.c,v 1.1.1.6 2018/02/06 01:53:16 christos Exp $ */
2
3 /* init.c - initialize monitor backend */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2001-2017 The OpenLDAP Foundation.
8 * Portions Copyright 2001-2003 Pierangelo Masarati.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19 /* ACKNOWLEDGEMENTS:
20 * This work was initially developed by Pierangelo Masarati for inclusion
21 * in OpenLDAP Software.
22 */
23
24 #include <sys/cdefs.h>
25 __RCSID("$NetBSD: init.c,v 1.1.1.6 2018/02/06 01:53:16 christos Exp $");
26
27 #include "portable.h"
28
29 #include <stdio.h>
30 #include <ac/string.h>
31
32 #include <lutil.h>
33 #include "slap.h"
34 #include "config.h"
35 #include "lber_pvt.h"
36 #include "back-monitor.h"
37
38 #include "config.h"
39
40 #undef INTEGRATE_CORE_SCHEMA
41
42 /*
43 * used by many functions to add description to entries
44 *
45 * WARNING: be_monitor may change as new databases are added,
46 * so it should not be used outside monitor_back_db_init()
47 * until monitor_back_db_open is called.
48 */
49 BackendDB *be_monitor;
50
51 static struct monitor_subsys_t **monitor_subsys;
52 static int monitor_subsys_opened;
53 static monitor_info_t monitor_info;
54 static const monitor_extra_t monitor_extra = {
55 monitor_back_is_configured,
56 monitor_back_get_subsys,
57 monitor_back_get_subsys_by_dn,
58
59 monitor_back_register_subsys,
60 monitor_back_register_backend,
61 monitor_back_register_database,
62 monitor_back_register_overlay_info,
63 monitor_back_register_overlay,
64 monitor_back_register_entry,
65 monitor_back_register_entry_parent,
66 monitor_back_register_entry_attrs,
67 monitor_back_register_entry_callback,
68
69 monitor_back_unregister_entry,
70 monitor_back_unregister_entry_parent,
71 monitor_back_unregister_entry_attrs,
72 monitor_back_unregister_entry_callback,
73
74 monitor_back_entry_stub,
75 monitor_back_entrypriv_create,
76 monitor_back_register_subsys_late
77 };
78
79
80 /*
81 * subsystem data
82 *
83 * the known subsystems are added to the subsystems
84 * array at backend initialization; other subsystems
85 * may be added by calling monitor_back_register_subsys()
86 * before the database is opened (e.g. by other backends
87 * or by overlays or modules).
88 */
89 static struct monitor_subsys_t known_monitor_subsys[] = {
90 {
91 SLAPD_MONITOR_BACKEND_NAME,
92 BER_BVNULL, BER_BVNULL, BER_BVNULL,
93 { BER_BVC( "This subsystem contains information about available backends." ),
94 BER_BVNULL },
95 MONITOR_F_PERSISTENT_CH,
96 monitor_subsys_backend_init,
97 NULL, /* destroy */
98 NULL, /* update */
99 NULL, /* create */
100 NULL /* modify */
101 }, {
102 SLAPD_MONITOR_CONN_NAME,
103 BER_BVNULL, BER_BVNULL, BER_BVNULL,
104 { BER_BVC( "This subsystem contains information about connections." ),
105 BER_BVNULL },
106 MONITOR_F_VOLATILE_CH,
107 monitor_subsys_conn_init,
108 NULL, /* destroy */
109 NULL, /* update */
110 NULL, /* create */
111 NULL /* modify */
112 }, {
113 SLAPD_MONITOR_DATABASE_NAME,
114 BER_BVNULL, BER_BVNULL, BER_BVNULL,
115 { BER_BVC( "This subsystem contains information about configured databases." ),
116 BER_BVNULL },
117 MONITOR_F_PERSISTENT_CH,
118 monitor_subsys_database_init,
119 NULL, /* destroy */
120 NULL, /* update */
121 NULL, /* create */
122 NULL /* modify */
123 }, {
124 SLAPD_MONITOR_LISTENER_NAME,
125 BER_BVNULL, BER_BVNULL, BER_BVNULL,
126 { BER_BVC( "This subsystem contains information about active listeners." ),
127 BER_BVNULL },
128 MONITOR_F_PERSISTENT_CH,
129 monitor_subsys_listener_init,
130 NULL, /* destroy */
131 NULL, /* update */
132 NULL, /* create */
133 NULL /* modify */
134 }, {
135 SLAPD_MONITOR_LOG_NAME,
136 BER_BVNULL, BER_BVNULL, BER_BVNULL,
137 { BER_BVC( "This subsystem contains information about logging." ),
138 BER_BVC( "Set the attribute \"managedInfo\" to the desired log levels." ),
139 BER_BVNULL },
140 MONITOR_F_NONE,
141 monitor_subsys_log_init,
142 NULL, /* destroy */
143 NULL, /* update */
144 NULL, /* create */
145 NULL, /* modify */
146 }, {
147 SLAPD_MONITOR_OPS_NAME,
148 BER_BVNULL, BER_BVNULL, BER_BVNULL,
149 { BER_BVC( "This subsystem contains information about performed operations." ),
150 BER_BVNULL },
151 MONITOR_F_PERSISTENT_CH,
152 monitor_subsys_ops_init,
153 NULL, /* destroy */
154 NULL, /* update */
155 NULL, /* create */
156 NULL, /* modify */
157 }, {
158 SLAPD_MONITOR_OVERLAY_NAME,
159 BER_BVNULL, BER_BVNULL, BER_BVNULL,
160 { BER_BVC( "This subsystem contains information about available overlays." ),
161 BER_BVNULL },
162 MONITOR_F_PERSISTENT_CH,
163 monitor_subsys_overlay_init,
164 NULL, /* destroy */
165 NULL, /* update */
166 NULL, /* create */
167 NULL, /* modify */
168 }, {
169 SLAPD_MONITOR_SASL_NAME,
170 BER_BVNULL, BER_BVNULL, BER_BVNULL,
171 { BER_BVC( "This subsystem contains information about SASL." ),
172 BER_BVNULL },
173 MONITOR_F_NONE,
174 NULL, /* init */
175 NULL, /* destroy */
176 NULL, /* update */
177 NULL, /* create */
178 NULL /* modify */
179 }, {
180 SLAPD_MONITOR_SENT_NAME,
181 BER_BVNULL, BER_BVNULL, BER_BVNULL,
182 { BER_BVC( "This subsystem contains statistics." ),
183 BER_BVNULL },
184 MONITOR_F_PERSISTENT_CH,
185 monitor_subsys_sent_init,
186 NULL, /* destroy */
187 NULL, /* update */
188 NULL, /* create */
189 NULL, /* modify */
190 }, {
191 SLAPD_MONITOR_THREAD_NAME,
192 BER_BVNULL, BER_BVNULL, BER_BVNULL,
193 { BER_BVC( "This subsystem contains information about threads." ),
194 BER_BVNULL },
195 MONITOR_F_PERSISTENT_CH,
196 monitor_subsys_thread_init,
197 NULL, /* destroy */
198 NULL, /* update */
199 NULL, /* create */
200 NULL /* modify */
201 }, {
202 SLAPD_MONITOR_TIME_NAME,
203 BER_BVNULL, BER_BVNULL, BER_BVNULL,
204 { BER_BVC( "This subsystem contains information about time." ),
205 BER_BVNULL },
206 MONITOR_F_PERSISTENT_CH,
207 monitor_subsys_time_init,
208 NULL, /* destroy */
209 NULL, /* update */
210 NULL, /* create */
211 NULL, /* modify */
212 }, {
213 SLAPD_MONITOR_TLS_NAME,
214 BER_BVNULL, BER_BVNULL, BER_BVNULL,
215 { BER_BVC( "This subsystem contains information about TLS." ),
216 BER_BVNULL },
217 MONITOR_F_NONE,
218 NULL, /* init */
219 NULL, /* destroy */
220 NULL, /* update */
221 NULL, /* create */
222 NULL /* modify */
223 }, {
224 SLAPD_MONITOR_RWW_NAME,
225 BER_BVNULL, BER_BVNULL, BER_BVNULL,
226 { BER_BVC( "This subsystem contains information about read/write waiters." ),
227 BER_BVNULL },
228 MONITOR_F_PERSISTENT_CH,
229 monitor_subsys_rww_init,
230 NULL, /* destroy */
231 NULL, /* update */
232 NULL, /* create */
233 NULL /* modify */
234 }, { NULL }
235 };
236
237 int
238 monitor_subsys_is_opened( void )
239 {
240 return monitor_subsys_opened;
241 }
242
243 int
244 monitor_back_register_subsys(
245 monitor_subsys_t *ms )
246 {
247 int i = 0;
248
249 if ( monitor_subsys ) {
250 for ( ; monitor_subsys[ i ] != NULL; i++ )
251 /* just count'em */ ;
252 }
253
254 monitor_subsys = ch_realloc( monitor_subsys,
255 ( 2 + i ) * sizeof( monitor_subsys_t * ) );
256
257 if ( monitor_subsys == NULL ) {
258 return -1;
259 }
260
261 monitor_subsys[ i ] = ms;
262 monitor_subsys[ i + 1 ] = NULL;
263
264 /* if a subsystem is registered __AFTER__ subsystem
265 * initialization (depending on the sequence the databases
266 * are listed in slapd.conf), init it */
267 if ( monitor_subsys_is_opened() ) {
268
269 /* FIXME: this should only be possible
270 * if be_monitor is already initialized */
271 assert( be_monitor != NULL );
272
273 if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) {
274 return -1;
275 }
276
277 ms->mss_flags |= MONITOR_F_OPENED;
278 }
279
280 return 0;
281 }
282
283 enum {
284 LIMBO_ENTRY,
285 LIMBO_ENTRY_PARENT,
286 LIMBO_ATTRS,
287 LIMBO_CB,
288 LIMBO_BACKEND,
289 LIMBO_DATABASE,
290 LIMBO_OVERLAY_INFO,
291 LIMBO_OVERLAY,
292 LIMBO_SUBSYS,
293
294 LIMBO_LAST
295 };
296
297 typedef struct entry_limbo_t {
298 int el_type;
299 BackendInfo *el_bi;
300 BackendDB *el_be;
301 slap_overinst *el_on;
302 Entry *el_e;
303 Attribute *el_a;
304 struct berval *el_ndn;
305 struct berval el_nbase;
306 int el_scope;
307 struct berval el_filter;
308 monitor_callback_t *el_cb;
309 monitor_subsys_t *el_mss;
310 unsigned long el_flags;
311 struct entry_limbo_t *el_next;
312 } entry_limbo_t;
313
314 int
315 monitor_back_is_configured( void )
316 {
317 return be_monitor != NULL;
318 }
319
320 int
321 monitor_back_register_subsys_late(
322 monitor_subsys_t *ms )
323 {
324 entry_limbo_t **elpp, el = { 0 };
325 monitor_info_t *mi;
326
327 if ( be_monitor == NULL ) {
328 Debug( LDAP_DEBUG_ANY,
329 "monitor_back_register_subsys_late: "
330 "monitor database not configured.\n",
331 0, 0, 0 );
332 return -1;
333 }
334
335 /* everyting is ready, can register already */
336 if ( monitor_subsys_is_opened() ) {
337 return monitor_back_register_subsys( ms );
338 }
339
340 mi = ( monitor_info_t * )be_monitor->be_private;
341
342
343 el.el_type = LIMBO_SUBSYS;
344
345 el.el_mss = ms;
346
347 for ( elpp = &mi->mi_entry_limbo;
348 *elpp;
349 elpp = &(*elpp)->el_next )
350 /* go to last */;
351
352 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
353
354 el.el_next = NULL;
355 **elpp = el;
356
357 return 0;
358 }
359
360 int
361 monitor_back_register_backend(
362 BackendInfo *bi )
363 {
364 return -1;
365 }
366
367 int
368 monitor_back_register_overlay_info(
369 slap_overinst *on )
370 {
371 return -1;
372 }
373
374 int
375 monitor_back_register_backend_limbo(
376 BackendInfo *bi )
377 {
378 return -1;
379 }
380
381 int
382 monitor_back_register_database_limbo(
383 BackendDB *be,
384 struct berval *ndn_out )
385 {
386 entry_limbo_t **elpp, el = { 0 };
387 monitor_info_t *mi;
388
389 if ( be_monitor == NULL ) {
390 Debug( LDAP_DEBUG_ANY,
391 "monitor_back_register_database_limbo: "
392 "monitor database not configured.\n",
393 0, 0, 0 );
394 return -1;
395 }
396
397 mi = ( monitor_info_t * )be_monitor->be_private;
398
399
400 el.el_type = LIMBO_DATABASE;
401
402 el.el_be = be->bd_self;
403 el.el_ndn = ndn_out;
404
405 for ( elpp = &mi->mi_entry_limbo;
406 *elpp;
407 elpp = &(*elpp)->el_next )
408 /* go to last */;
409
410 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
411
412 el.el_next = NULL;
413 **elpp = el;
414
415 return 0;
416 }
417
418 int
419 monitor_back_register_overlay_info_limbo(
420 slap_overinst *on )
421 {
422 return -1;
423 }
424
425 int
426 monitor_back_register_overlay_limbo(
427 BackendDB *be,
428 struct slap_overinst *on,
429 struct berval *ndn_out )
430 {
431 entry_limbo_t **elpp, el = { 0 };
432 monitor_info_t *mi;
433
434 if ( be_monitor == NULL ) {
435 Debug( LDAP_DEBUG_ANY,
436 "monitor_back_register_overlay_limbo: "
437 "monitor database not configured.\n",
438 0, 0, 0 );
439 return -1;
440 }
441
442 mi = ( monitor_info_t * )be_monitor->be_private;
443
444
445 el.el_type = LIMBO_OVERLAY;
446
447 el.el_be = be->bd_self;
448 el.el_on = on;
449 el.el_ndn = ndn_out;
450
451 for ( elpp = &mi->mi_entry_limbo;
452 *elpp;
453 elpp = &(*elpp)->el_next )
454 /* go to last */;
455
456 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
457
458 el.el_next = NULL;
459 **elpp = el;
460
461 return 0;
462 }
463
464 int
465 monitor_back_register_entry(
466 Entry *e,
467 monitor_callback_t *cb,
468 monitor_subsys_t *mss,
469 unsigned long flags )
470 {
471 monitor_info_t *mi;
472
473 if ( be_monitor == NULL ) {
474 Debug( LDAP_DEBUG_ANY,
475 "monitor_back_register_entry(\"%s\"): "
476 "monitor database not configured.\n",
477 e->e_name.bv_val, 0, 0 );
478 return -1;
479 }
480
481 mi = ( monitor_info_t * )be_monitor->be_private;
482
483 assert( mi != NULL );
484 assert( e != NULL );
485 assert( e->e_private == NULL );
486
487 if ( monitor_subsys_is_opened() ) {
488 Entry *e_parent = NULL,
489 *e_new = NULL,
490 **ep = NULL;
491 struct berval pdn = BER_BVNULL;
492 monitor_entry_t *mp = NULL,
493 *mp_parent = NULL;
494 int rc = 0;
495
496 if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) {
497 /* entry exists */
498 Debug( LDAP_DEBUG_ANY,
499 "monitor_back_register_entry(\"%s\"): "
500 "entry exists\n",
501 e->e_name.bv_val, 0, 0 );
502 monitor_cache_release( mi, e_parent );
503 return -1;
504 }
505
506 dnParent( &e->e_nname, &pdn );
507 if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) {
508 /* parent does not exist */
509 Debug( LDAP_DEBUG_ANY,
510 "monitor_back_register_entry(\"%s\"): "
511 "parent \"%s\" not found\n",
512 e->e_name.bv_val, pdn.bv_val, 0 );
513 return -1;
514 }
515
516 assert( e_parent->e_private != NULL );
517 mp_parent = ( monitor_entry_t * )e_parent->e_private;
518
519 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
520 /* entry is volatile; cannot append children */
521 Debug( LDAP_DEBUG_ANY,
522 "monitor_back_register_entry(\"%s\"): "
523 "parent \"%s\" is volatile\n",
524 e->e_name.bv_val, e_parent->e_name.bv_val, 0 );
525 rc = -1;
526 goto done;
527 }
528
529 mp = monitor_entrypriv_create();
530 if ( mp == NULL ) {
531 Debug( LDAP_DEBUG_ANY,
532 "monitor_back_register_entry(\"%s\"): "
533 "monitor_entrypriv_create() failed\n",
534 e->e_name.bv_val, 0, 0 );
535 rc = -1;
536 goto done;
537 }
538
539 e_new = entry_dup( e );
540 if ( e_new == NULL ) {
541 Debug( LDAP_DEBUG_ANY,
542 "monitor_back_register_entry(\"%s\"): "
543 "entry_dup() failed\n",
544 e->e_name.bv_val, 0, 0 );
545 rc = -1;
546 goto done;
547 }
548
549 e_new->e_private = ( void * )mp;
550 if ( mss != NULL ) {
551 mp->mp_info = mss;
552 mp->mp_flags = flags;
553
554 } else {
555 mp->mp_info = mp_parent->mp_info;
556 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
557 }
558 mp->mp_cb = cb;
559
560 ep = &mp_parent->mp_children;
561 for ( ; *ep; ) {
562 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
563 ep = &mp_parent->mp_next;
564 }
565 *ep = e_new;
566
567 if ( monitor_cache_add( mi, e_new ) ) {
568 Debug( LDAP_DEBUG_ANY,
569 "monitor_back_register_entry(\"%s\"): "
570 "unable to add entry\n",
571 e->e_name.bv_val, 0, 0 );
572 rc = -1;
573 goto done;
574 }
575
576 done:;
577 if ( rc ) {
578 if ( mp ) {
579 ch_free( mp );
580 }
581 if ( e_new ) {
582 e_new->e_private = NULL;
583 entry_free( e_new );
584 }
585 }
586
587 if ( e_parent ) {
588 monitor_cache_release( mi, e_parent );
589 }
590
591 } else {
592 entry_limbo_t **elpp, el = { 0 };
593
594 el.el_type = LIMBO_ENTRY;
595
596 el.el_e = entry_dup( e );
597 if ( el.el_e == NULL ) {
598 Debug( LDAP_DEBUG_ANY,
599 "monitor_back_register_entry(\"%s\"): "
600 "entry_dup() failed\n",
601 e->e_name.bv_val, 0, 0 );
602 return -1;
603 }
604
605 el.el_cb = cb;
606 el.el_mss = mss;
607 el.el_flags = flags;
608
609 for ( elpp = &mi->mi_entry_limbo;
610 *elpp;
611 elpp = &(*elpp)->el_next )
612 /* go to last */;
613
614 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
615 if ( *elpp == NULL ) {
616 el.el_e->e_private = NULL;
617 entry_free( el.el_e );
618 return -1;
619 }
620
621 el.el_next = NULL;
622 **elpp = el;
623 }
624
625 return 0;
626 }
627
628 int
629 monitor_back_register_entry_parent(
630 Entry *e,
631 monitor_callback_t *cb,
632 monitor_subsys_t *mss,
633 unsigned long flags,
634 struct berval *nbase,
635 int scope,
636 struct berval *filter )
637 {
638 monitor_info_t *mi;
639 struct berval ndn = BER_BVNULL;
640
641 if ( be_monitor == NULL ) {
642 Debug( LDAP_DEBUG_ANY,
643 "monitor_back_register_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
644 "monitor database not configured.\n",
645 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
646 ldap_pvt_scope2str( scope ),
647 BER_BVISNULL( filter ) ? "" : filter->bv_val );
648 return -1;
649 }
650
651 mi = ( monitor_info_t * )be_monitor->be_private;
652
653 assert( mi != NULL );
654 assert( e != NULL );
655 assert( e->e_private == NULL );
656
657 if ( BER_BVISNULL( filter ) ) {
658 /* need a filter */
659 Debug( LDAP_DEBUG_ANY,
660 "monitor_back_register_entry_parent(\"\"): "
661 "need a valid filter\n",
662 0, 0, 0 );
663 return -1;
664 }
665
666 if ( monitor_subsys_is_opened() ) {
667 Entry *e_parent = NULL,
668 *e_new = NULL,
669 **ep = NULL;
670 struct berval e_name = BER_BVNULL,
671 e_nname = BER_BVNULL;
672 monitor_entry_t *mp = NULL,
673 *mp_parent = NULL;
674 int rc = 0;
675
676 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
677 /* entry does not exist */
678 Debug( LDAP_DEBUG_ANY,
679 "monitor_back_register_entry_parent(\"\"): "
680 "base=\"%s\" scope=%s filter=\"%s\": "
681 "unable to find entry\n",
682 nbase->bv_val ? nbase->bv_val : "\"\"",
683 ldap_pvt_scope2str( scope ),
684 filter->bv_val );
685 return -1;
686 }
687
688 if ( monitor_cache_get( mi, &ndn, &e_parent ) != 0 ) {
689 /* entry does not exist */
690 Debug( LDAP_DEBUG_ANY,
691 "monitor_back_register_entry_parent(\"%s\"): "
692 "parent entry does not exist\n",
693 ndn.bv_val, 0, 0 );
694 rc = -1;
695 goto done;
696 }
697
698 assert( e_parent->e_private != NULL );
699 mp_parent = ( monitor_entry_t * )e_parent->e_private;
700
701 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
702 /* entry is volatile; cannot append callback */
703 Debug( LDAP_DEBUG_ANY,
704 "monitor_back_register_entry_parent(\"%s\"): "
705 "entry is volatile\n",
706 e_parent->e_name.bv_val, 0, 0 );
707 rc = -1;
708 goto done;
709 }
710
711 build_new_dn( &e_name, &e_parent->e_name, &e->e_name, NULL );
712 build_new_dn( &e_nname, &e_parent->e_nname, &e->e_nname, NULL );
713
714 if ( monitor_cache_get( mi, &e_nname, &e_new ) == 0 ) {
715 /* entry already exists */
716 Debug( LDAP_DEBUG_ANY,
717 "monitor_back_register_entry_parent(\"%s\"): "
718 "entry already exists\n",
719 e_name.bv_val, 0, 0 );
720 monitor_cache_release( mi, e_new );
721 e_new = NULL;
722 rc = -1;
723 goto done;
724 }
725
726 mp = monitor_entrypriv_create();
727 if ( mp == NULL ) {
728 Debug( LDAP_DEBUG_ANY,
729 "monitor_back_register_entry_parent(\"%s\"): "
730 "monitor_entrypriv_create() failed\n",
731 e->e_name.bv_val, 0, 0 );
732 rc = -1;
733 goto done;
734 }
735
736 e_new = entry_dup( e );
737 if ( e_new == NULL ) {
738 Debug( LDAP_DEBUG_ANY,
739 "monitor_back_register_entry(\"%s\"): "
740 "entry_dup() failed\n",
741 e->e_name.bv_val, 0, 0 );
742 rc = -1;
743 goto done;
744 }
745 ch_free( e_new->e_name.bv_val );
746 ch_free( e_new->e_nname.bv_val );
747 e_new->e_name = e_name;
748 e_new->e_nname = e_nname;
749
750 e_new->e_private = ( void * )mp;
751 if ( mss != NULL ) {
752 mp->mp_info = mss;
753 mp->mp_flags = flags;
754
755 } else {
756 mp->mp_info = mp_parent->mp_info;
757 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
758 }
759 mp->mp_cb = cb;
760
761 ep = &mp_parent->mp_children;
762 for ( ; *ep; ) {
763 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
764 ep = &mp_parent->mp_next;
765 }
766 *ep = e_new;
767
768 if ( monitor_cache_add( mi, e_new ) ) {
769 Debug( LDAP_DEBUG_ANY,
770 "monitor_back_register_entry(\"%s\"): "
771 "unable to add entry\n",
772 e->e_name.bv_val, 0, 0 );
773 rc = -1;
774 goto done;
775 }
776
777 done:;
778 if ( !BER_BVISNULL( &ndn ) ) {
779 ch_free( ndn.bv_val );
780 }
781
782 if ( rc ) {
783 if ( mp ) {
784 ch_free( mp );
785 }
786 if ( e_new ) {
787 e_new->e_private = NULL;
788 entry_free( e_new );
789 }
790 }
791
792 if ( e_parent ) {
793 monitor_cache_release( mi, e_parent );
794 }
795
796 } else {
797 entry_limbo_t **elpp = NULL, el = { 0 };
798
799 el.el_type = LIMBO_ENTRY_PARENT;
800
801 el.el_e = entry_dup( e );
802 if ( el.el_e == NULL ) {
803 Debug( LDAP_DEBUG_ANY,
804 "monitor_back_register_entry(\"%s\"): "
805 "entry_dup() failed\n",
806 e->e_name.bv_val, 0, 0 );
807 goto done_limbo;
808 }
809
810 if ( !BER_BVISNULL( nbase ) ) {
811 ber_dupbv( &el.el_nbase, nbase );
812 }
813
814 el.el_scope = scope;
815 if ( !BER_BVISNULL( filter ) ) {
816 ber_dupbv( &el.el_filter, filter );
817 }
818
819 el.el_cb = cb;
820 el.el_mss = mss;
821 el.el_flags = flags;
822
823 for ( elpp = &mi->mi_entry_limbo;
824 *elpp;
825 elpp = &(*elpp)->el_next )
826 /* go to last */;
827
828 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
829 if ( *elpp == NULL ) {
830 goto done_limbo;
831 }
832
833 done_limbo:;
834 if ( *elpp != NULL ) {
835 el.el_next = NULL;
836 **elpp = el;
837
838 } else {
839 if ( !BER_BVISNULL( &el.el_filter ) ) {
840 ch_free( el.el_filter.bv_val );
841 }
842 if ( !BER_BVISNULL( &el.el_nbase ) ) {
843 ch_free( el.el_nbase.bv_val );
844 }
845 entry_free( el.el_e );
846 return -1;
847 }
848 }
849
850 return 0;
851 }
852
853 static int
854 monitor_search2ndn_cb( Operation *op, SlapReply *rs )
855 {
856 if ( rs->sr_type == REP_SEARCH ) {
857 struct berval *ndn = op->o_callback->sc_private;
858
859 if ( !BER_BVISNULL( ndn ) ) {
860 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
861 ch_free( ndn->bv_val );
862 BER_BVZERO( ndn );
863 return rs->sr_err;
864 }
865
866 ber_dupbv( ndn, &rs->sr_entry->e_nname );
867 }
868
869 return 0;
870 }
871
872 int
873 monitor_search2ndn(
874 struct berval *nbase,
875 int scope,
876 struct berval *filter,
877 struct berval *ndn )
878 {
879 Connection conn = { 0 };
880 OperationBuffer opbuf;
881 Operation *op;
882 void *thrctx;
883 SlapReply rs = { REP_RESULT };
884 slap_callback cb = { NULL, monitor_search2ndn_cb, NULL, NULL };
885 int rc;
886
887 BER_BVZERO( ndn );
888
889 if ( be_monitor == NULL ) {
890 return -1;
891 }
892
893 thrctx = ldap_pvt_thread_pool_context();
894 connection_fake_init2( &conn, &opbuf, thrctx, 0 );
895 op = &opbuf.ob_op;
896
897 op->o_tag = LDAP_REQ_SEARCH;
898
899 /* use global malloc for now */
900 if ( op->o_tmpmemctx ) {
901 op->o_tmpmemctx = NULL;
902 }
903 op->o_tmpmfuncs = &ch_mfuncs;
904
905 op->o_bd = be_monitor;
906 if ( nbase == NULL || BER_BVISNULL( nbase ) ) {
907 ber_dupbv_x( &op->o_req_dn, &op->o_bd->be_suffix[ 0 ],
908 op->o_tmpmemctx );
909 ber_dupbv_x( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ],
910 op->o_tmpmemctx );
911
912 } else {
913 if ( dnPrettyNormal( NULL, nbase, &op->o_req_dn, &op->o_req_ndn,
914 op->o_tmpmemctx ) ) {
915 return -1;
916 }
917 }
918
919 op->o_callback = &cb;
920 cb.sc_private = (void *)ndn;
921
922 op->ors_scope = scope;
923 op->ors_filter = str2filter_x( op, filter->bv_val );
924 if ( op->ors_filter == NULL ) {
925 rc = LDAP_OTHER;
926 goto cleanup;
927 }
928 ber_dupbv_x( &op->ors_filterstr, filter, op->o_tmpmemctx );
929 op->ors_attrs = slap_anlist_no_attrs;
930 op->ors_attrsonly = 0;
931 op->ors_tlimit = SLAP_NO_LIMIT;
932 op->ors_slimit = 1;
933 op->ors_limit = NULL;
934 op->ors_deref = LDAP_DEREF_NEVER;
935
936 op->o_nocaching = 1;
937 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
938
939 op->o_dn = be_monitor->be_rootdn;
940 op->o_ndn = be_monitor->be_rootndn;
941
942 rc = op->o_bd->be_search( op, &rs );
943
944 cleanup:;
945 if ( op->ors_filter != NULL ) {
946 filter_free_x( op, op->ors_filter, 1 );
947 }
948 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
949 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
950 }
951 if ( !BER_BVISNULL( &op->o_req_dn ) ) {
952 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
953 }
954 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
955 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
956 }
957
958 if ( rc != 0 ) {
959 return rc;
960 }
961
962 switch ( rs.sr_err ) {
963 case LDAP_SUCCESS:
964 if ( BER_BVISNULL( ndn ) ) {
965 rc = -1;
966 }
967 break;
968
969 case LDAP_SIZELIMIT_EXCEEDED:
970 default:
971 if ( !BER_BVISNULL( ndn ) ) {
972 ber_memfree( ndn->bv_val );
973 BER_BVZERO( ndn );
974 }
975 rc = -1;
976 break;
977 }
978
979 return rc;
980 }
981
982 int
983 monitor_back_register_entry_attrs(
984 struct berval *ndn_in,
985 Attribute *a,
986 monitor_callback_t *cb,
987 struct berval *nbase,
988 int scope,
989 struct berval *filter )
990 {
991 monitor_info_t *mi;
992 struct berval ndn = BER_BVNULL;
993 char *fname = ( a == NULL ? "callback" : "attrs" );
994 struct berval empty_bv = BER_BVC("");
995
996 if ( nbase == NULL ) nbase = &empty_bv;
997 if ( filter == NULL ) filter = &empty_bv;
998
999 if ( be_monitor == NULL ) {
1000 char buf[ SLAP_TEXT_BUFLEN ];
1001
1002 snprintf( buf, sizeof( buf ),
1003 "monitor_back_register_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
1004 "monitor database not configured.\n",
1005 fname,
1006 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1007 ldap_pvt_scope2str( scope ),
1008 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1009 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1010
1011 return -1;
1012 }
1013
1014 mi = ( monitor_info_t * )be_monitor->be_private;
1015
1016 assert( mi != NULL );
1017
1018 if ( ndn_in != NULL ) {
1019 ndn = *ndn_in;
1020 }
1021
1022 if ( a == NULL && cb == NULL ) {
1023 /* nothing to do */
1024 return -1;
1025 }
1026
1027 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
1028 && BER_BVISNULL( filter ) )
1029 {
1030 /* need a filter */
1031 Debug( LDAP_DEBUG_ANY,
1032 "monitor_back_register_entry_%s(\"\"): "
1033 "need a valid filter\n",
1034 fname, 0, 0 );
1035 return -1;
1036 }
1037
1038 if ( monitor_subsys_is_opened() ) {
1039 Entry *e = NULL;
1040 Attribute **atp = NULL;
1041 monitor_entry_t *mp = NULL;
1042 monitor_callback_t **mcp = NULL;
1043 int rc = 0;
1044 int freeit = 0;
1045
1046 if ( BER_BVISNULL( &ndn ) ) {
1047 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1048 char buf[ SLAP_TEXT_BUFLEN ];
1049
1050 snprintf( buf, sizeof( buf ),
1051 "monitor_back_register_entry_%s(\"\"): "
1052 "base=\"%s\" scope=%s filter=\"%s\": "
1053 "unable to find entry\n",
1054 fname,
1055 nbase->bv_val ? nbase->bv_val : "\"\"",
1056 ldap_pvt_scope2str( scope ),
1057 filter->bv_val );
1058
1059 /* entry does not exist */
1060 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1061 return -1;
1062 }
1063
1064 freeit = 1;
1065 }
1066
1067 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1068 /* entry does not exist */
1069 Debug( LDAP_DEBUG_ANY,
1070 "monitor_back_register_entry_%s(\"%s\"): "
1071 "entry does not exist\n",
1072 fname, ndn.bv_val, 0 );
1073 rc = -1;
1074 goto done;
1075 }
1076
1077 assert( e->e_private != NULL );
1078 mp = ( monitor_entry_t * )e->e_private;
1079
1080 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
1081 /* entry is volatile; cannot append callback */
1082 Debug( LDAP_DEBUG_ANY,
1083 "monitor_back_register_entry_%s(\"%s\"): "
1084 "entry is volatile\n",
1085 fname, e->e_name.bv_val, 0 );
1086 rc = -1;
1087 goto done;
1088 }
1089
1090 if ( a ) {
1091 for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
1092 /* just get to last */ ;
1093
1094 for ( ; a != NULL; a = a->a_next ) {
1095 assert( a->a_desc != NULL );
1096 assert( a->a_vals != NULL );
1097
1098 if ( attr_find( e->e_attrs, a->a_desc ) ) {
1099 attr_merge( e, a->a_desc, a->a_vals,
1100 a->a_nvals == a->a_vals ? NULL : a->a_nvals );
1101
1102 } else {
1103 *atp = attr_dup( a );
1104 if ( *atp == NULL ) {
1105 Debug( LDAP_DEBUG_ANY,
1106 "monitor_back_register_entry_%s(\"%s\"): "
1107 "attr_dup() failed\n",
1108 fname, e->e_name.bv_val, 0 );
1109 rc = -1;
1110 goto done;
1111 }
1112 atp = &(*atp)->a_next;
1113 }
1114 }
1115 }
1116
1117 if ( cb ) {
1118 for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
1119 /* go to tail */ ;
1120
1121 /* NOTE: we do not clear cb->mc_next, so this function
1122 * can be used to append a list of callbacks */
1123 (*mcp) = cb;
1124 }
1125
1126 done:;
1127 if ( rc ) {
1128 if ( atp && *atp ) {
1129 attrs_free( *atp );
1130 *atp = NULL;
1131 }
1132 }
1133
1134 if ( freeit ) {
1135 ber_memfree( ndn.bv_val );
1136 }
1137
1138 if ( e ) {
1139 monitor_cache_release( mi, e );
1140 }
1141
1142 } else {
1143 entry_limbo_t **elpp, el = { 0 };
1144
1145 el.el_type = LIMBO_ATTRS;
1146 el.el_ndn = ndn_in;
1147 if ( !BER_BVISNULL( nbase ) ) {
1148 ber_dupbv( &el.el_nbase, nbase);
1149 }
1150 el.el_scope = scope;
1151 if ( !BER_BVISNULL( filter ) ) {
1152 ber_dupbv( &el.el_filter, filter );
1153 }
1154
1155 el.el_a = attrs_dup( a );
1156 el.el_cb = cb;
1157
1158 for ( elpp = &mi->mi_entry_limbo;
1159 *elpp;
1160 elpp = &(*elpp)->el_next )
1161 /* go to last */;
1162
1163 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
1164 if ( *elpp == NULL ) {
1165 if ( !BER_BVISNULL( &el.el_filter ) ) {
1166 ch_free( el.el_filter.bv_val );
1167 }
1168 if ( el.el_a != NULL ) {
1169 attrs_free( el.el_a );
1170 }
1171 if ( !BER_BVISNULL( &el.el_nbase ) ) {
1172 ch_free( &el.el_nbase.bv_val );
1173 }
1174 return -1;
1175 }
1176
1177 el.el_next = NULL;
1178 **elpp = el;
1179 }
1180
1181 return 0;
1182 }
1183
1184 int
1185 monitor_back_register_entry_callback(
1186 struct berval *ndn,
1187 monitor_callback_t *cb,
1188 struct berval *nbase,
1189 int scope,
1190 struct berval *filter )
1191 {
1192 return monitor_back_register_entry_attrs( ndn, NULL, cb,
1193 nbase, scope, filter );
1194 }
1195
1196 /*
1197 * TODO: add corresponding calls to remove installed callbacks, entries
1198 * and so, in case the entity that installed them is removed (e.g. a
1199 * database, via back-config)
1200 */
1201 int
1202 monitor_back_unregister_entry(
1203 struct berval *ndn )
1204 {
1205 monitor_info_t *mi;
1206
1207 if ( be_monitor == NULL ) {
1208 Debug( LDAP_DEBUG_ANY,
1209 "monitor_back_unregister_entry(\"%s\"): "
1210 "monitor database not configured.\n",
1211 ndn->bv_val, 0, 0 );
1212
1213 return -1;
1214 }
1215
1216 /* entry will be regularly freed, and resources released
1217 * according to callbacks */
1218 if ( slapd_shutdown ) {
1219 return 0;
1220 }
1221
1222 mi = ( monitor_info_t * )be_monitor->be_private;
1223
1224 assert( mi != NULL );
1225
1226 if ( monitor_subsys_is_opened() ) {
1227 Entry *e = NULL;
1228 monitor_entry_t *mp = NULL;
1229 monitor_callback_t *cb = NULL;
1230
1231 if ( monitor_cache_remove( mi, ndn, &e ) != 0 ) {
1232 /* entry does not exist */
1233 Debug( LDAP_DEBUG_ANY,
1234 "monitor_back_unregister_entry(\"%s\"): "
1235 "entry removal failed.\n",
1236 ndn->bv_val, 0, 0 );
1237 return -1;
1238 }
1239
1240 mp = (monitor_entry_t *)e->e_private;
1241 assert( mp != NULL );
1242
1243 for ( cb = mp->mp_cb; cb != NULL; ) {
1244 monitor_callback_t *next = cb->mc_next;
1245
1246 if ( cb->mc_free ) {
1247 (void)cb->mc_free( e, &cb->mc_private );
1248 }
1249 ch_free( cb );
1250
1251 cb = next;
1252 }
1253
1254 ch_free( mp );
1255 e->e_private = NULL;
1256 entry_free( e );
1257
1258 } else {
1259 entry_limbo_t **elpp;
1260
1261 for ( elpp = &mi->mi_entry_limbo;
1262 *elpp;
1263 elpp = &(*elpp)->el_next )
1264 {
1265 entry_limbo_t *elp = *elpp;
1266
1267 if ( elp->el_type == LIMBO_ENTRY
1268 && dn_match( ndn, &elp->el_e->e_nname ) )
1269 {
1270 monitor_callback_t *cb, *next;
1271
1272 for ( cb = elp->el_cb; cb; cb = next ) {
1273 /* FIXME: call callbacks? */
1274 next = cb->mc_next;
1275 if ( cb->mc_dispose ) {
1276 cb->mc_dispose( &cb->mc_private );
1277 }
1278 ch_free( cb );
1279 }
1280 assert( elp->el_e != NULL );
1281 elp->el_e->e_private = NULL;
1282 entry_free( elp->el_e );
1283 *elpp = elp->el_next;
1284 ch_free( elp );
1285 elpp = NULL;
1286 break;
1287 }
1288 }
1289
1290 if ( elpp != NULL ) {
1291 /* not found! where did it go? */
1292 return 1;
1293 }
1294 }
1295
1296 return 0;
1297 }
1298
1299 int
1300 monitor_back_unregister_entry_parent(
1301 struct berval *nrdn,
1302 monitor_callback_t *target_cb,
1303 struct berval *nbase,
1304 int scope,
1305 struct berval *filter )
1306 {
1307 monitor_info_t *mi;
1308 struct berval ndn = BER_BVNULL;
1309
1310 if ( be_monitor == NULL ) {
1311 Debug( LDAP_DEBUG_ANY,
1312 "monitor_back_unregister_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
1313 "monitor database not configured.\n",
1314 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1315 ldap_pvt_scope2str( scope ),
1316 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1317
1318 return -1;
1319 }
1320
1321 /* entry will be regularly freed, and resources released
1322 * according to callbacks */
1323 if ( slapd_shutdown ) {
1324 return 0;
1325 }
1326
1327 mi = ( monitor_info_t * )be_monitor->be_private;
1328
1329 assert( mi != NULL );
1330
1331 if ( ( nrdn == NULL || BER_BVISNULL( nrdn ) )
1332 && BER_BVISNULL( filter ) )
1333 {
1334 /* need a filter */
1335 Debug( LDAP_DEBUG_ANY,
1336 "monitor_back_unregister_entry_parent(\"\"): "
1337 "need a valid filter\n",
1338 0, 0, 0 );
1339 return -1;
1340 }
1341
1342 if ( monitor_subsys_is_opened() ) {
1343 Entry *e = NULL;
1344 monitor_entry_t *mp = NULL;
1345
1346 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1347 /* entry does not exist */
1348 Debug( LDAP_DEBUG_ANY,
1349 "monitor_back_unregister_entry_parent(\"\"): "
1350 "base=\"%s\" scope=%s filter=\"%s\": "
1351 "unable to find entry\n",
1352 nbase->bv_val ? nbase->bv_val : "\"\"",
1353 ldap_pvt_scope2str( scope ),
1354 filter->bv_val );
1355 return -1;
1356 }
1357
1358 if ( monitor_cache_remove( mi, &ndn, &e ) != 0 ) {
1359 /* entry does not exist */
1360 Debug( LDAP_DEBUG_ANY,
1361 "monitor_back_unregister_entry(\"%s\"): "
1362 "entry removal failed.\n",
1363 ndn.bv_val, 0, 0 );
1364 ber_memfree( ndn.bv_val );
1365 return -1;
1366 }
1367 ber_memfree( ndn.bv_val );
1368
1369 mp = (monitor_entry_t *)e->e_private;
1370 assert( mp != NULL );
1371
1372 if ( target_cb != NULL ) {
1373 monitor_callback_t **cbp;
1374
1375 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1376 if ( *cbp == target_cb ) {
1377 if ( (*cbp)->mc_free ) {
1378 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1379 }
1380 *cbp = (*cbp)->mc_next;
1381 ch_free( target_cb );
1382 break;
1383 }
1384 }
1385 }
1386
1387
1388 ch_free( mp );
1389 e->e_private = NULL;
1390 entry_free( e );
1391
1392 } else {
1393 entry_limbo_t **elpp;
1394
1395 for ( elpp = &mi->mi_entry_limbo;
1396 *elpp;
1397 elpp = &(*elpp)->el_next )
1398 {
1399 entry_limbo_t *elp = *elpp;
1400
1401 if ( elp->el_type == LIMBO_ENTRY_PARENT
1402 && dn_match( nrdn, &elp->el_e->e_nname )
1403 && dn_match( nbase, &elp->el_nbase )
1404 && scope == elp->el_scope
1405 && bvmatch( filter, &elp->el_filter ) )
1406 {
1407 monitor_callback_t *cb, *next;
1408
1409 for ( cb = elp->el_cb; cb; cb = next ) {
1410 /* FIXME: call callbacks? */
1411 next = cb->mc_next;
1412 if ( cb->mc_dispose ) {
1413 cb->mc_dispose( &cb->mc_private );
1414 }
1415 ch_free( cb );
1416 }
1417 assert( elp->el_e != NULL );
1418 elp->el_e->e_private = NULL;
1419 entry_free( elp->el_e );
1420 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1421 ch_free( elp->el_nbase.bv_val );
1422 }
1423 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1424 ch_free( elp->el_filter.bv_val );
1425 }
1426 *elpp = elp->el_next;
1427 ch_free( elp );
1428 elpp = NULL;
1429 break;
1430 }
1431 }
1432
1433 if ( elpp != NULL ) {
1434 /* not found! where did it go? */
1435 return 1;
1436 }
1437 }
1438
1439 return 0;
1440 }
1441
1442 int
1443 monitor_back_unregister_entry_attrs(
1444 struct berval *ndn_in,
1445 Attribute *target_a,
1446 monitor_callback_t *target_cb,
1447 struct berval *nbase,
1448 int scope,
1449 struct berval *filter )
1450 {
1451 monitor_info_t *mi;
1452 struct berval ndn = BER_BVNULL;
1453 char *fname = ( target_a == NULL ? "callback" : "attrs" );
1454
1455 if ( be_monitor == NULL ) {
1456 char buf[ SLAP_TEXT_BUFLEN ];
1457
1458 snprintf( buf, sizeof( buf ),
1459 "monitor_back_unregister_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
1460 "monitor database not configured.\n",
1461 fname,
1462 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1463 ldap_pvt_scope2str( scope ),
1464 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1465 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1466
1467 return -1;
1468 }
1469
1470 /* entry will be regularly freed, and resources released
1471 * according to callbacks */
1472 if ( slapd_shutdown ) {
1473 return 0;
1474 }
1475
1476 mi = ( monitor_info_t * )be_monitor->be_private;
1477
1478 assert( mi != NULL );
1479
1480 if ( ndn_in != NULL ) {
1481 ndn = *ndn_in;
1482 }
1483
1484 if ( target_a == NULL && target_cb == NULL ) {
1485 /* nothing to do */
1486 return -1;
1487 }
1488
1489 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
1490 && BER_BVISNULL( filter ) )
1491 {
1492 /* need a filter */
1493 Debug( LDAP_DEBUG_ANY,
1494 "monitor_back_unregister_entry_%s(\"\"): "
1495 "need a valid filter\n",
1496 fname, 0, 0 );
1497 return -1;
1498 }
1499
1500 if ( monitor_subsys_is_opened() ) {
1501 Entry *e = NULL;
1502 monitor_entry_t *mp = NULL;
1503 int freeit = 0;
1504
1505 if ( BER_BVISNULL( &ndn ) ) {
1506 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1507 char buf[ SLAP_TEXT_BUFLEN ];
1508
1509 snprintf( buf, sizeof( buf ),
1510 "monitor_back_unregister_entry_%s(\"\"): "
1511 "base=\"%s\" scope=%d filter=\"%s\": "
1512 "unable to find entry\n",
1513 fname,
1514 nbase->bv_val ? nbase->bv_val : "\"\"",
1515 scope, filter->bv_val );
1516
1517 /* entry does not exist */
1518 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1519 return -1;
1520 }
1521
1522 freeit = 1;
1523 }
1524
1525 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1526 /* entry does not exist */
1527 Debug( LDAP_DEBUG_ANY,
1528 "monitor_back_unregister_entry(\"%s\"): "
1529 "entry removal failed.\n",
1530 ndn.bv_val, 0, 0 );
1531 return -1;
1532 }
1533
1534 mp = (monitor_entry_t *)e->e_private;
1535 assert( mp != NULL );
1536
1537 if ( target_cb != NULL ) {
1538 monitor_callback_t **cbp;
1539
1540 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1541 if ( *cbp == target_cb ) {
1542 if ( (*cbp)->mc_free ) {
1543 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1544 }
1545 *cbp = (*cbp)->mc_next;
1546 ch_free( target_cb );
1547 break;
1548 }
1549 }
1550 }
1551
1552 if ( target_a != NULL ) {
1553 Attribute *a;
1554
1555 for ( a = target_a; a != NULL; a = a->a_next ) {
1556 Modification mod = { 0 };
1557 const char *text;
1558 char textbuf[ SLAP_TEXT_BUFLEN ];
1559
1560 mod.sm_op = LDAP_MOD_DELETE;
1561 mod.sm_desc = a->a_desc;
1562 mod.sm_values = a->a_vals;
1563 mod.sm_nvalues = a->a_nvals;
1564
1565 (void)modify_delete_values( e, &mod, 1,
1566 &text, textbuf, sizeof( textbuf ) );
1567 }
1568 }
1569
1570 if ( freeit ) {
1571 ber_memfree( ndn.bv_val );
1572 }
1573
1574 monitor_cache_release( mi, e );
1575
1576 } else {
1577 entry_limbo_t **elpp;
1578
1579 for ( elpp = &mi->mi_entry_limbo;
1580 *elpp;
1581 elpp = &(*elpp)->el_next )
1582 {
1583 entry_limbo_t *elp = *elpp;
1584
1585 if ( elp->el_type == LIMBO_ATTRS
1586 && dn_match( nbase, &elp->el_nbase )
1587 && scope == elp->el_scope
1588 && bvmatch( filter, &elp->el_filter ) )
1589 {
1590 monitor_callback_t *cb, *next;
1591
1592 for ( cb = elp->el_cb; cb; cb = next ) {
1593 /* FIXME: call callbacks? */
1594 next = cb->mc_next;
1595 if ( cb->mc_dispose ) {
1596 cb->mc_dispose( &cb->mc_private );
1597 }
1598 ch_free( cb );
1599 }
1600 assert( elp->el_e == NULL );
1601 if ( elp->el_a != NULL ) {
1602 attrs_free( elp->el_a );
1603 }
1604 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1605 ch_free( elp->el_nbase.bv_val );
1606 }
1607 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1608 ch_free( elp->el_filter.bv_val );
1609 }
1610 *elpp = elp->el_next;
1611 ch_free( elp );
1612 elpp = NULL;
1613 break;
1614 }
1615 }
1616
1617 if ( elpp != NULL ) {
1618 /* not found! where did it go? */
1619 return 1;
1620 }
1621 }
1622
1623 return 0;
1624 }
1625
1626 int
1627 monitor_back_unregister_entry_callback(
1628 struct berval *ndn,
1629 monitor_callback_t *cb,
1630 struct berval *nbase,
1631 int scope,
1632 struct berval *filter )
1633 {
1634 /* TODO: lookup entry (by ndn, if not NULL, and/or by callback);
1635 * unregister the callback; if a is not null, unregister the
1636 * given attrs. In any case, call cb->cb_free */
1637 return monitor_back_unregister_entry_attrs( ndn,
1638 NULL, cb, nbase, scope, filter );
1639 }
1640
1641 monitor_subsys_t *
1642 monitor_back_get_subsys( const char *name )
1643 {
1644 if ( monitor_subsys != NULL ) {
1645 int i;
1646
1647 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1648 if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
1649 return monitor_subsys[ i ];
1650 }
1651 }
1652 }
1653
1654 return NULL;
1655 }
1656
1657 monitor_subsys_t *
1658 monitor_back_get_subsys_by_dn(
1659 struct berval *ndn,
1660 int sub )
1661 {
1662 if ( monitor_subsys != NULL ) {
1663 int i;
1664
1665 if ( sub ) {
1666 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1667 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1668 return monitor_subsys[ i ];
1669 }
1670 }
1671
1672 } else {
1673 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1674 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1675 return monitor_subsys[ i ];
1676 }
1677 }
1678 }
1679 }
1680
1681 return NULL;
1682 }
1683
1684 int
1685 monitor_back_initialize(
1686 BackendInfo *bi )
1687 {
1688 static char *controls[] = {
1689 LDAP_CONTROL_MANAGEDSAIT,
1690 NULL
1691 };
1692
1693 static ConfigTable monitorcfg[] = {
1694 { NULL, NULL, 0, 0, 0, ARG_IGNORED,
1695 NULL, NULL, NULL, NULL }
1696 };
1697
1698 static ConfigOCs monitorocs[] = {
1699 { "( OLcfgDbOc:4.1 "
1700 "NAME 'olcMonitorConfig' "
1701 "DESC 'Monitor backend configuration' "
1702 "SUP olcDatabaseConfig "
1703 ")",
1704 Cft_Database, monitorcfg },
1705 { NULL, 0, NULL }
1706 };
1707
1708 struct m_s {
1709 char *schema;
1710 slap_mask_t flags;
1711 int offset;
1712 } moc[] = {
1713 { "( 1.3.6.1.4.1.4203.666.3.16.1 "
1714 "NAME 'monitor' "
1715 "DESC 'OpenLDAP system monitoring' "
1716 "SUP top STRUCTURAL "
1717 "MUST cn "
1718 "MAY ( "
1719 "description "
1720 "$ seeAlso "
1721 "$ labeledURI "
1722 "$ monitoredInfo "
1723 "$ managedInfo "
1724 "$ monitorOverlay "
1725 ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1726 offsetof(monitor_info_t, mi_oc_monitor) },
1727 { "( 1.3.6.1.4.1.4203.666.3.16.2 "
1728 "NAME 'monitorServer' "
1729 "DESC 'Server monitoring root entry' "
1730 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1731 offsetof(monitor_info_t, mi_oc_monitorServer) },
1732 { "( 1.3.6.1.4.1.4203.666.3.16.3 "
1733 "NAME 'monitorContainer' "
1734 "DESC 'monitor container class' "
1735 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1736 offsetof(monitor_info_t, mi_oc_monitorContainer) },
1737 { "( 1.3.6.1.4.1.4203.666.3.16.4 "
1738 "NAME 'monitorCounterObject' "
1739 "DESC 'monitor counter class' "
1740 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1741 offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
1742 { "( 1.3.6.1.4.1.4203.666.3.16.5 "
1743 "NAME 'monitorOperation' "
1744 "DESC 'monitor operation class' "
1745 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1746 offsetof(monitor_info_t, mi_oc_monitorOperation) },
1747 { "( 1.3.6.1.4.1.4203.666.3.16.6 "
1748 "NAME 'monitorConnection' "
1749 "DESC 'monitor connection class' "
1750 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1751 offsetof(monitor_info_t, mi_oc_monitorConnection) },
1752 { "( 1.3.6.1.4.1.4203.666.3.16.7 "
1753 "NAME 'managedObject' "
1754 "DESC 'monitor managed entity class' "
1755 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1756 offsetof(monitor_info_t, mi_oc_managedObject) },
1757 { "( 1.3.6.1.4.1.4203.666.3.16.8 "
1758 "NAME 'monitoredObject' "
1759 "DESC 'monitor monitored entity class' "
1760 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1761 offsetof(monitor_info_t, mi_oc_monitoredObject) },
1762 { NULL, 0, -1 }
1763 }, mat[] = {
1764 { "( 1.3.6.1.4.1.4203.666.1.55.1 "
1765 "NAME 'monitoredInfo' "
1766 "DESC 'monitored info' "
1767 /* "SUP name " */
1768 "EQUALITY caseIgnoreMatch "
1769 "SUBSTR caseIgnoreSubstringsMatch "
1770 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
1771 "NO-USER-MODIFICATION "
1772 "USAGE dSAOperation )", SLAP_AT_HIDE,
1773 offsetof(monitor_info_t, mi_ad_monitoredInfo) },
1774 { "( 1.3.6.1.4.1.4203.666.1.55.2 "
1775 "NAME 'managedInfo' "
1776 "DESC 'monitor managed info' "
1777 "SUP name )", SLAP_AT_HIDE,
1778 offsetof(monitor_info_t, mi_ad_managedInfo) },
1779 { "( 1.3.6.1.4.1.4203.666.1.55.3 "
1780 "NAME 'monitorCounter' "
1781 "DESC 'monitor counter' "
1782 "EQUALITY integerMatch "
1783 "ORDERING integerOrderingMatch "
1784 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
1785 "NO-USER-MODIFICATION "
1786 "USAGE dSAOperation )", SLAP_AT_HIDE,
1787 offsetof(monitor_info_t, mi_ad_monitorCounter) },
1788 { "( 1.3.6.1.4.1.4203.666.1.55.4 "
1789 "NAME 'monitorOpCompleted' "
1790 "DESC 'monitor completed operations' "
1791 "SUP monitorCounter "
1792 "NO-USER-MODIFICATION "
1793 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1794 offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
1795 { "( 1.3.6.1.4.1.4203.666.1.55.5 "
1796 "NAME 'monitorOpInitiated' "
1797 "DESC 'monitor initiated operations' "
1798 "SUP monitorCounter "
1799 "NO-USER-MODIFICATION "
1800 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1801 offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
1802 { "( 1.3.6.1.4.1.4203.666.1.55.6 "
1803 "NAME 'monitorConnectionNumber' "
1804 "DESC 'monitor connection number' "
1805 "SUP monitorCounter "
1806 "NO-USER-MODIFICATION "
1807 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1808 offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
1809 { "( 1.3.6.1.4.1.4203.666.1.55.7 "
1810 "NAME 'monitorConnectionAuthzDN' "
1811 "DESC 'monitor connection authorization DN' "
1812 /* "SUP distinguishedName " */
1813 "EQUALITY distinguishedNameMatch "
1814 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1815 "NO-USER-MODIFICATION "
1816 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1817 offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
1818 { "( 1.3.6.1.4.1.4203.666.1.55.8 "
1819 "NAME 'monitorConnectionLocalAddress' "
1820 "DESC 'monitor connection local address' "
1821 "SUP monitoredInfo "
1822 "NO-USER-MODIFICATION "
1823 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1824 offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
1825 { "( 1.3.6.1.4.1.4203.666.1.55.9 "
1826 "NAME 'monitorConnectionPeerAddress' "
1827 "DESC 'monitor connection peer address' "
1828 "SUP monitoredInfo "
1829 "NO-USER-MODIFICATION "
1830 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1831 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
1832 { "( 1.3.6.1.4.1.4203.666.1.55.10 "
1833 "NAME 'monitorTimestamp' "
1834 "DESC 'monitor timestamp' "
1835 "EQUALITY generalizedTimeMatch "
1836 "ORDERING generalizedTimeOrderingMatch "
1837 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
1838 "SINGLE-VALUE "
1839 "NO-USER-MODIFICATION "
1840 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1841 offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
1842 { "( 1.3.6.1.4.1.4203.666.1.55.11 "
1843 "NAME 'monitorOverlay' "
1844 "DESC 'name of overlays defined for a given database' "
1845 "SUP monitoredInfo "
1846 "NO-USER-MODIFICATION "
1847 "USAGE dSAOperation )", SLAP_AT_HIDE,
1848 offsetof(monitor_info_t, mi_ad_monitorOverlay) },
1849 { "( 1.3.6.1.4.1.4203.666.1.55.12 "
1850 "NAME 'readOnly' "
1851 "DESC 'read/write status of a given database' "
1852 "EQUALITY booleanMatch "
1853 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1854 "SINGLE-VALUE "
1855 "USAGE dSAOperation )", SLAP_AT_HIDE,
1856 offsetof(monitor_info_t, mi_ad_readOnly) },
1857 { "( 1.3.6.1.4.1.4203.666.1.55.13 "
1858 "NAME 'restrictedOperation' "
1859 "DESC 'name of restricted operation for a given database' "
1860 "SUP managedInfo )", SLAP_AT_HIDE,
1861 offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
1862 { "( 1.3.6.1.4.1.4203.666.1.55.14 "
1863 "NAME 'monitorConnectionProtocol' "
1864 "DESC 'monitor connection protocol' "
1865 "SUP monitoredInfo "
1866 "NO-USER-MODIFICATION "
1867 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1868 offsetof(monitor_info_t, mi_ad_monitorConnectionProtocol) },
1869 { "( 1.3.6.1.4.1.4203.666.1.55.15 "
1870 "NAME 'monitorConnectionOpsReceived' "
1871 "DESC 'monitor number of operations received by the connection' "
1872 "SUP monitorCounter "
1873 "NO-USER-MODIFICATION "
1874 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1875 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsReceived) },
1876 { "( 1.3.6.1.4.1.4203.666.1.55.16 "
1877 "NAME 'monitorConnectionOpsExecuting' "
1878 "DESC 'monitor number of operations in execution within the connection' "
1879 "SUP monitorCounter "
1880 "NO-USER-MODIFICATION "
1881 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1882 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsExecuting) },
1883 { "( 1.3.6.1.4.1.4203.666.1.55.17 "
1884 "NAME 'monitorConnectionOpsPending' "
1885 "DESC 'monitor number of pending operations within the connection' "
1886 "SUP monitorCounter "
1887 "NO-USER-MODIFICATION "
1888 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1889 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsPending) },
1890 { "( 1.3.6.1.4.1.4203.666.1.55.18 "
1891 "NAME 'monitorConnectionOpsCompleted' "
1892 "DESC 'monitor number of operations completed within the connection' "
1893 "SUP monitorCounter "
1894 "NO-USER-MODIFICATION "
1895 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1896 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsCompleted) },
1897 { "( 1.3.6.1.4.1.4203.666.1.55.19 "
1898 "NAME 'monitorConnectionGet' "
1899 "DESC 'number of times connection_get() was called so far' "
1900 "SUP monitorCounter "
1901 "NO-USER-MODIFICATION "
1902 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1903 offsetof(monitor_info_t, mi_ad_monitorConnectionGet) },
1904 { "( 1.3.6.1.4.1.4203.666.1.55.20 "
1905 "NAME 'monitorConnectionRead' "
1906 "DESC 'number of times connection_read() was called so far' "
1907 "SUP monitorCounter "
1908 "NO-USER-MODIFICATION "
1909 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1910 offsetof(monitor_info_t, mi_ad_monitorConnectionRead) },
1911 { "( 1.3.6.1.4.1.4203.666.1.55.21 "
1912 "NAME 'monitorConnectionWrite' "
1913 "DESC 'number of times connection_write() was called so far' "
1914 "SUP monitorCounter "
1915 "NO-USER-MODIFICATION "
1916 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1917 offsetof(monitor_info_t, mi_ad_monitorConnectionWrite) },
1918 { "( 1.3.6.1.4.1.4203.666.1.55.22 "
1919 "NAME 'monitorConnectionMask' "
1920 "DESC 'monitor connection mask' "
1921 "SUP monitoredInfo "
1922 "NO-USER-MODIFICATION "
1923 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1924 offsetof(monitor_info_t, mi_ad_monitorConnectionMask) },
1925 { "( 1.3.6.1.4.1.4203.666.1.55.23 "
1926 "NAME 'monitorConnectionListener' "
1927 "DESC 'monitor connection listener' "
1928 "SUP monitoredInfo "
1929 "NO-USER-MODIFICATION "
1930 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1931 offsetof(monitor_info_t, mi_ad_monitorConnectionListener) },
1932 { "( 1.3.6.1.4.1.4203.666.1.55.24 "
1933 "NAME 'monitorConnectionPeerDomain' "
1934 "DESC 'monitor connection peer domain' "
1935 "SUP monitoredInfo "
1936 "NO-USER-MODIFICATION "
1937 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1938 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerDomain) },
1939 { "( 1.3.6.1.4.1.4203.666.1.55.25 "
1940 "NAME 'monitorConnectionStartTime' "
1941 "DESC 'monitor connection start time' "
1942 "SUP monitorTimestamp "
1943 "SINGLE-VALUE "
1944 "NO-USER-MODIFICATION "
1945 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1946 offsetof(monitor_info_t, mi_ad_monitorConnectionStartTime) },
1947 { "( 1.3.6.1.4.1.4203.666.1.55.26 "
1948 "NAME 'monitorConnectionActivityTime' "
1949 "DESC 'monitor connection activity time' "
1950 "SUP monitorTimestamp "
1951 "SINGLE-VALUE "
1952 "NO-USER-MODIFICATION "
1953 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1954 offsetof(monitor_info_t, mi_ad_monitorConnectionActivityTime) },
1955 { "( 1.3.6.1.4.1.4203.666.1.55.27 "
1956 "NAME 'monitorIsShadow' "
1957 "DESC 'TRUE if the database is shadow' "
1958 "EQUALITY booleanMatch "
1959 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1960 "SINGLE-VALUE "
1961 "USAGE dSAOperation )", SLAP_AT_HIDE,
1962 offsetof(monitor_info_t, mi_ad_monitorIsShadow) },
1963 { "( 1.3.6.1.4.1.4203.666.1.55.28 "
1964 "NAME 'monitorUpdateRef' "
1965 "DESC 'update referral for shadow databases' "
1966 "SUP monitoredInfo "
1967 "SINGLE-VALUE "
1968 "USAGE dSAOperation )", SLAP_AT_HIDE,
1969 offsetof(monitor_info_t, mi_ad_monitorUpdateRef) },
1970 { "( 1.3.6.1.4.1.4203.666.1.55.29 "
1971 "NAME 'monitorRuntimeConfig' "
1972 "DESC 'TRUE if component allows runtime configuration' "
1973 "EQUALITY booleanMatch "
1974 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1975 "SINGLE-VALUE "
1976 "USAGE dSAOperation )", SLAP_AT_HIDE,
1977 offsetof(monitor_info_t, mi_ad_monitorRuntimeConfig) },
1978 { "( 1.3.6.1.4.1.4203.666.1.55.30 "
1979 "NAME 'monitorSuperiorDN' "
1980 "DESC 'monitor superior DN' "
1981 /* "SUP distinguishedName " */
1982 "EQUALITY distinguishedNameMatch "
1983 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1984 "NO-USER-MODIFICATION "
1985 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1986 offsetof(monitor_info_t, mi_ad_monitorSuperiorDN) },
1987 { NULL, 0, -1 }
1988 };
1989
1990 static struct {
1991 char *name;
1992 char *oid;
1993 } s_oid[] = {
1994 { "olmAttributes", "1.3.6.1.4.1.4203.666.1.55" },
1995 { "olmSubSystemAttributes", "olmAttributes:0" },
1996 { "olmGenericAttributes", "olmSubSystemAttributes:0" },
1997 { "olmDatabaseAttributes", "olmSubSystemAttributes:1" },
1998
1999 /* for example, back-bdb specific attrs
2000 * are in "olmDatabaseAttributes:1"
2001 *
2002 * NOTE: developers, please record here OID assignments
2003 * for other modules */
2004
2005 { "olmObjectClasses", "1.3.6.1.4.1.4203.666.3.16" },
2006 { "olmSubSystemObjectClasses", "olmObjectClasses:0" },
2007 { "olmGenericObjectClasses", "olmSubSystemObjectClasses:0" },
2008 { "olmDatabaseObjectClasses", "olmSubSystemObjectClasses:1" },
2009
2010 /* for example, back-bdb specific objectClasses
2011 * are in "olmDatabaseObjectClasses:1"
2012 *
2013 * NOTE: developers, please record here OID assignments
2014 * for other modules */
2015
2016 { NULL }
2017 };
2018
2019 int i, rc;
2020 monitor_info_t *mi = &monitor_info;
2021 ConfigArgs c;
2022 char *argv[ 3 ];
2023
2024 argv[ 0 ] = "monitor";
2025 c.argv = argv;
2026 c.argc = 3;
2027 c.fname = argv[0];
2028
2029 for ( i = 0; s_oid[ i ].name; i++ ) {
2030 argv[ 1 ] = s_oid[ i ].name;
2031 argv[ 2 ] = s_oid[ i ].oid;
2032
2033 if ( parse_oidm( &c, 0, NULL ) != 0 ) {
2034 Debug( LDAP_DEBUG_ANY,
2035 "monitor_back_initialize: unable to add "
2036 "objectIdentifier \"%s=%s\"\n",
2037 s_oid[ i ].name, s_oid[ i ].oid, 0 );
2038 return 1;
2039 }
2040 }
2041
2042 /* schema integration */
2043 for ( i = 0; mat[ i ].schema; i++ ) {
2044 int code;
2045 AttributeDescription **ad =
2046 ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
2047
2048 *ad = NULL;
2049 code = register_at( mat[ i ].schema, ad, 0 );
2050
2051 if ( code ) {
2052 Debug( LDAP_DEBUG_ANY,
2053 "monitor_back_db_init: register_at failed\n", 0, 0, 0 );
2054 return -1;
2055 }
2056 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
2057 }
2058
2059 for ( i = 0; moc[ i ].schema; i++ ) {
2060 int code;
2061 ObjectClass **Oc =
2062 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]));
2063
2064 code = register_oc( moc[ i ].schema, Oc, 0 );
2065 if ( code ) {
2066 Debug( LDAP_DEBUG_ANY,
2067 "monitor_back_db_init: register_oc failed\n", 0, 0, 0 );
2068 return -1;
2069 }
2070 (*Oc)->soc_flags |= moc[ i ].flags;
2071 }
2072
2073 bi->bi_controls = controls;
2074
2075 bi->bi_init = 0;
2076 bi->bi_open = 0;
2077 bi->bi_config = monitor_back_config;
2078 bi->bi_close = 0;
2079 bi->bi_destroy = 0;
2080
2081 bi->bi_db_init = monitor_back_db_init;
2082 #if 0
2083 bi->bi_db_config = monitor_back_db_config;
2084 #endif
2085 bi->bi_db_open = monitor_back_db_open;
2086 bi->bi_db_close = 0;
2087 bi->bi_db_destroy = monitor_back_db_destroy;
2088
2089 bi->bi_op_bind = monitor_back_bind;
2090 bi->bi_op_unbind = 0;
2091 bi->bi_op_search = monitor_back_search;
2092 bi->bi_op_compare = monitor_back_compare;
2093 bi->bi_op_modify = monitor_back_modify;
2094 bi->bi_op_modrdn = 0;
2095 bi->bi_op_add = 0;
2096 bi->bi_op_delete = 0;
2097 bi->bi_op_abandon = 0;
2098
2099 bi->bi_extended = 0;
2100
2101 bi->bi_entry_release_rw = monitor_back_release;
2102 bi->bi_chk_referrals = 0;
2103 bi->bi_operational = monitor_back_operational;
2104
2105 /*
2106 * hooks for slap tools
2107 */
2108 bi->bi_tool_entry_open = 0;
2109 bi->bi_tool_entry_close = 0;
2110 bi->bi_tool_entry_first = 0;
2111 bi->bi_tool_entry_first_x = 0;
2112 bi->bi_tool_entry_next = 0;
2113 bi->bi_tool_entry_get = 0;
2114 bi->bi_tool_entry_put = 0;
2115 bi->bi_tool_entry_reindex = 0;
2116 bi->bi_tool_sync = 0;
2117 bi->bi_tool_dn2id_get = 0;
2118 bi->bi_tool_entry_modify = 0;
2119
2120 bi->bi_connection_init = 0;
2121 bi->bi_connection_destroy = 0;
2122
2123 bi->bi_extra = (void *)&monitor_extra;
2124
2125 /*
2126 * configuration objectClasses (fake)
2127 */
2128 bi->bi_cf_ocs = monitorocs;
2129
2130 rc = config_register_schema( monitorcfg, monitorocs );
2131 if ( rc ) {
2132 return rc;
2133 }
2134
2135 return 0;
2136 }
2137
2138 int
2139 monitor_back_db_init(
2140 BackendDB *be,
2141 ConfigReply *c)
2142 {
2143 int rc;
2144 struct berval dn = BER_BVC( SLAPD_MONITOR_DN ),
2145 pdn,
2146 ndn;
2147 BackendDB *be2;
2148
2149 monitor_subsys_t *ms;
2150
2151 /*
2152 * database monitor can be defined once only
2153 */
2154 if ( be_monitor != NULL ) {
2155 if (c) {
2156 snprintf(c->msg, sizeof(c->msg),"only one monitor database allowed");
2157 }
2158 return( -1 );
2159 }
2160 be_monitor = be;
2161
2162 /*
2163 * register subsys
2164 */
2165 for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
2166 if ( monitor_back_register_subsys( ms ) ) {
2167 return -1;
2168 }
2169 }
2170
2171 /* indicate system schema supported */
2172 SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
2173
2174 rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn, NULL );
2175 if( rc != LDAP_SUCCESS ) {
2176 Debug( LDAP_DEBUG_ANY,
2177 "unable to normalize/pretty monitor DN \"%s\" (%d)\n",
2178 dn.bv_val, rc, 0 );
2179 return -1;
2180 }
2181
2182 ber_bvarray_add( &be->be_suffix, &pdn );
2183 ber_bvarray_add( &be->be_nsuffix, &ndn );
2184
2185 /* NOTE: only one monitor database is allowed,
2186 * so we use static storage */
2187 ldap_pvt_thread_mutex_init( &monitor_info.mi_cache_mutex );
2188
2189 be->be_private = &monitor_info;
2190
2191 be2 = select_backend( &ndn, 0 );
2192 if ( be2 != be ) {
2193 char *type = be2->bd_info->bi_type;
2194
2195 if ( overlay_is_over( be2 ) ) {
2196 slap_overinfo *oi = (slap_overinfo *)be2->bd_info->bi_private;
2197 type = oi->oi_orig->bi_type;
2198 }
2199
2200 if (c) {
2201 snprintf(c->msg, sizeof(c->msg),
2202 "\"monitor\" database serving namingContext \"%s\" "
2203 "is hidden by \"%s\" database serving namingContext \"%s\".\n",
2204 pdn.bv_val, type, be2->be_nsuffix[ 0 ].bv_val );
2205 }
2206 return -1;
2207 }
2208
2209 return 0;
2210 }
2211
2212 static void
2213 monitor_back_destroy_limbo_entry(
2214 entry_limbo_t *el,
2215 int dispose )
2216 {
2217 if ( el->el_e ) {
2218 entry_free( el->el_e );
2219 }
2220 if ( el->el_a ) {
2221 attrs_free( el->el_a );
2222 }
2223 if ( !BER_BVISNULL( &el->el_nbase ) ) {
2224 ber_memfree( el->el_nbase.bv_val );
2225 }
2226 if ( !BER_BVISNULL( &el->el_filter ) ) {
2227 ber_memfree( el->el_filter.bv_val );
2228 }
2229
2230 /* NOTE: callbacks are not copied; so only free them
2231 * if disposing of */
2232 if ( el->el_cb && dispose != 0 ) {
2233 monitor_callback_t *next;
2234
2235 for ( ; el->el_cb; el->el_cb = next ) {
2236 next = el->el_cb->mc_next;
2237 if ( el->el_cb->mc_dispose ) {
2238 el->el_cb->mc_dispose( &el->el_cb->mc_private );
2239 }
2240 ch_free( el->el_cb );
2241 }
2242 }
2243
2244 ch_free( el );
2245 }
2246
2247 int
2248 monitor_back_db_open(
2249 BackendDB *be,
2250 ConfigReply *cr)
2251 {
2252 monitor_info_t *mi = (monitor_info_t *)be->be_private;
2253 struct monitor_subsys_t **ms;
2254 Entry *e, **ep, *root;
2255 monitor_entry_t *mp;
2256 int i;
2257 struct berval bv, rdn = BER_BVC(SLAPD_MONITOR_DN);
2258 struct tm tms;
2259 static char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
2260 struct berval desc[] = {
2261 BER_BVC("This subtree contains monitoring/managing objects."),
2262 BER_BVC("This object contains information about this server."),
2263 BER_BVC("Most of the information is held in operational"
2264 " attributes, which must be explicitly requested."),
2265 BER_BVNULL };
2266
2267 int retcode = 0;
2268
2269 assert( be_monitor != NULL );
2270 if ( be != be_monitor ) {
2271 be_monitor = be;
2272 }
2273
2274 /*
2275 * Start
2276 */
2277 ldap_pvt_gmtime( &starttime, &tms );
2278 lutil_gentime( tmbuf, sizeof(tmbuf), &tms );
2279
2280 mi->mi_startTime.bv_val = tmbuf;
2281 mi->mi_startTime.bv_len = strlen( tmbuf );
2282
2283 if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
2284 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
2285 BER_BVSTR( &mi->mi_ncreatorsName, SLAPD_ANONYMOUS );
2286 } else {
2287 mi->mi_creatorsName = be->be_rootdn;
2288 mi->mi_ncreatorsName = be->be_rootndn;
2289 }
2290
2291 /*
2292 * creates the "cn=Monitor" entry
2293 */
2294 e = monitor_entry_stub( NULL, NULL, &rdn, mi->mi_oc_monitorServer,
2295 NULL, NULL );
2296
2297 if ( e == NULL) {
2298 Debug( LDAP_DEBUG_ANY,
2299 "unable to create \"%s\" entry\n",
2300 SLAPD_MONITOR_DN, 0, 0 );
2301 return( -1 );
2302 }
2303
2304 attr_merge_normalize( e, slap_schema.si_ad_description, desc, NULL );
2305
2306 bv.bv_val = strchr( (char *) Versionstr, '$' );
2307 if ( bv.bv_val != NULL ) {
2308 char *end;
2309
2310 bv.bv_val++;
2311 for ( ; bv.bv_val[ 0 ] == ' '; bv.bv_val++ )
2312 ;
2313
2314 end = strchr( bv.bv_val, '$' );
2315 if ( end != NULL ) {
2316 end--;
2317
2318 for ( ; end > bv.bv_val && end[ 0 ] == ' '; end-- )
2319 ;
2320
2321 end++;
2322
2323 bv.bv_len = end - bv.bv_val;
2324
2325 } else {
2326 bv.bv_len = strlen( bv.bv_val );
2327 }
2328
2329 if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
2330 &bv, NULL ) ) {
2331 Debug( LDAP_DEBUG_ANY,
2332 "unable to add monitoredInfo to \"%s\" entry\n",
2333 SLAPD_MONITOR_DN, 0, 0 );
2334 return( -1 );
2335 }
2336 }
2337
2338 mp = monitor_entrypriv_create();
2339 if ( mp == NULL ) {
2340 return -1;
2341 }
2342 e->e_private = ( void * )mp;
2343 ep = &mp->mp_children;
2344
2345 if ( monitor_cache_add( mi, e ) ) {
2346 Debug( LDAP_DEBUG_ANY,
2347 "unable to add entry \"%s\" to cache\n",
2348 SLAPD_MONITOR_DN, 0, 0 );
2349 return -1;
2350 }
2351 root = e;
2352
2353 /*
2354 * Create all the subsystem specific entries
2355 */
2356 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2357 int len = strlen( monitor_subsys[ i ]->mss_name );
2358 struct berval dn;
2359 int rc;
2360
2361 dn.bv_len = len + sizeof( "cn=" ) - 1;
2362 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
2363 strcpy( dn.bv_val, "cn=" );
2364 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
2365 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
2366 free( dn.bv_val );
2367 if ( rc != LDAP_SUCCESS ) {
2368 Debug( LDAP_DEBUG_ANY,
2369 "monitor RDN \"%s\" is invalid\n",
2370 dn.bv_val, 0, 0 );
2371 return( -1 );
2372 }
2373
2374 e = monitor_entry_stub( &root->e_name, &root->e_nname,
2375 &monitor_subsys[ i ]->mss_rdn, mi->mi_oc_monitorContainer,
2376 NULL, NULL );
2377
2378 if ( e == NULL) {
2379 Debug( LDAP_DEBUG_ANY,
2380 "unable to create \"%s\" entry\n",
2381 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2382 return( -1 );
2383 }
2384 monitor_subsys[i]->mss_dn = e->e_name;
2385 monitor_subsys[i]->mss_ndn = e->e_nname;
2386
2387 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_desc[ 0 ] ) ) {
2388 attr_merge_normalize( e, slap_schema.si_ad_description,
2389 monitor_subsys[ i ]->mss_desc, NULL );
2390 }
2391
2392 mp = monitor_entrypriv_create();
2393 if ( mp == NULL ) {
2394 return -1;
2395 }
2396 e->e_private = ( void * )mp;
2397 mp->mp_info = monitor_subsys[ i ];
2398 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
2399
2400 if ( monitor_cache_add( mi, e ) ) {
2401 Debug( LDAP_DEBUG_ANY,
2402 "unable to add entry \"%s\" to cache\n",
2403 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2404 return -1;
2405 }
2406
2407 *ep = e;
2408 ep = &mp->mp_next;
2409 }
2410
2411 assert( be != NULL );
2412
2413 be->be_private = mi;
2414
2415 /*
2416 * opens the monitor backend subsystems
2417 */
2418 for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
2419 if ( ms[ 0 ]->mss_open && ms[ 0 ]->mss_open( be, ms[ 0 ] ) ) {
2420 return( -1 );
2421 }
2422 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
2423 }
2424
2425 monitor_subsys_opened = 1;
2426
2427 if ( mi->mi_entry_limbo ) {
2428 entry_limbo_t *el = mi->mi_entry_limbo;
2429
2430 for ( ; el; ) {
2431 entry_limbo_t *tmp;
2432 int rc;
2433
2434 switch ( el->el_type ) {
2435 case LIMBO_ENTRY:
2436 rc = monitor_back_register_entry(
2437 el->el_e,
2438 el->el_cb,
2439 el->el_mss,
2440 el->el_flags );
2441 break;
2442
2443 case LIMBO_ENTRY_PARENT:
2444 rc = monitor_back_register_entry_parent(
2445 el->el_e,
2446 el->el_cb,
2447 el->el_mss,
2448 el->el_flags,
2449 &el->el_nbase,
2450 el->el_scope,
2451 &el->el_filter );
2452 break;
2453
2454
2455 case LIMBO_ATTRS:
2456 rc = monitor_back_register_entry_attrs(
2457 el->el_ndn,
2458 el->el_a,
2459 el->el_cb,
2460 &el->el_nbase,
2461 el->el_scope,
2462 &el->el_filter );
2463 break;
2464
2465 case LIMBO_CB:
2466 rc = monitor_back_register_entry_callback(
2467 el->el_ndn,
2468 el->el_cb,
2469 &el->el_nbase,
2470 el->el_scope,
2471 &el->el_filter );
2472 break;
2473
2474 case LIMBO_BACKEND:
2475 rc = monitor_back_register_backend( el->el_bi );
2476 break;
2477
2478 case LIMBO_DATABASE:
2479 rc = monitor_back_register_database( el->el_be, el->el_ndn );
2480 break;
2481
2482 case LIMBO_OVERLAY_INFO:
2483 rc = monitor_back_register_overlay_info( el->el_on );
2484 break;
2485
2486 case LIMBO_OVERLAY:
2487 rc = monitor_back_register_overlay( el->el_be, el->el_on, el->el_ndn );
2488 break;
2489
2490 case LIMBO_SUBSYS:
2491 rc = monitor_back_register_subsys( el->el_mss );
2492 break;
2493
2494 default:
2495 assert( 0 );
2496 }
2497
2498 tmp = el;
2499 el = el->el_next;
2500 monitor_back_destroy_limbo_entry( tmp, rc );
2501
2502 if ( rc != 0 ) {
2503 /* try all, but report error at end */
2504 retcode = 1;
2505 }
2506 }
2507
2508 mi->mi_entry_limbo = NULL;
2509 }
2510
2511 return retcode;
2512 }
2513
2514 int
2515 monitor_back_config(
2516 BackendInfo *bi,
2517 const char *fname,
2518 int lineno,
2519 int argc,
2520 char **argv )
2521 {
2522 /*
2523 * eventually, will hold backend specific configuration parameters
2524 */
2525 return SLAP_CONF_UNKNOWN;
2526 }
2527
2528 #if 0
2529 int
2530 monitor_back_db_config(
2531 Backend *be,
2532 const char *fname,
2533 int lineno,
2534 int argc,
2535 char **argv )
2536 {
2537 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2538
2539 /*
2540 * eventually, will hold database specific configuration parameters
2541 */
2542 return SLAP_CONF_UNKNOWN;
2543 }
2544 #endif
2545
2546 int
2547 monitor_back_db_destroy(
2548 BackendDB *be,
2549 ConfigReply *cr)
2550 {
2551 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2552
2553 if ( mi == NULL ) {
2554 return -1;
2555 }
2556
2557 /*
2558 * FIXME: destroys all the data
2559 */
2560 /* NOTE: mi points to static storage; don't free it */
2561
2562 (void)monitor_cache_destroy( mi );
2563
2564 if ( monitor_subsys ) {
2565 int i;
2566
2567 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2568 if ( monitor_subsys[ i ]->mss_destroy ) {
2569 monitor_subsys[ i ]->mss_destroy( be, monitor_subsys[ i ] );
2570 }
2571
2572 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_rdn ) ) {
2573 ch_free( monitor_subsys[ i ]->mss_rdn.bv_val );
2574 }
2575 }
2576
2577 ch_free( monitor_subsys );
2578 }
2579
2580 if ( mi->mi_entry_limbo ) {
2581 entry_limbo_t *el = mi->mi_entry_limbo;
2582
2583 for ( ; el; ) {
2584 entry_limbo_t *tmp = el;
2585 el = el->el_next;
2586 monitor_back_destroy_limbo_entry( tmp, 1 );
2587 }
2588 }
2589
2590 ldap_pvt_thread_mutex_destroy( &monitor_info.mi_cache_mutex );
2591
2592 be->be_private = NULL;
2593
2594 return 0;
2595 }
2596
2597 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
2598
2599 /* conditionally define the init_module() function */
2600 SLAP_BACKEND_INIT_MODULE( monitor )
2601
2602 #endif /* SLAPD_MONITOR == SLAPD_MOD_DYNAMIC */
2603
2604