init.c revision 1.1.1.4 1 /* $NetBSD: init.c,v 1.1.1.4 2014/05/28 09:58:50 tron 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 2001-2014 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 "portable.h"
25
26 #include <stdio.h>
27 #include <ac/string.h>
28
29 #include <lutil.h>
30 #include "slap.h"
31 #include "config.h"
32 #include "lber_pvt.h"
33 #include "back-monitor.h"
34
35 #include "config.h"
36
37 #undef INTEGRATE_CORE_SCHEMA
38
39 /*
40 * used by many functions to add description to entries
41 *
42 * WARNING: be_monitor may change as new databases are added,
43 * so it should not be used outside monitor_back_db_init()
44 * until monitor_back_db_open is called.
45 */
46 BackendDB *be_monitor;
47
48 static struct monitor_subsys_t **monitor_subsys;
49 static int monitor_subsys_opened;
50 static monitor_info_t monitor_info;
51 static const monitor_extra_t monitor_extra = {
52 monitor_back_is_configured,
53 monitor_back_get_subsys,
54 monitor_back_get_subsys_by_dn,
55
56 monitor_back_register_subsys,
57 monitor_back_register_backend,
58 monitor_back_register_database,
59 monitor_back_register_overlay_info,
60 monitor_back_register_overlay,
61 monitor_back_register_entry,
62 monitor_back_register_entry_parent,
63 monitor_back_register_entry_attrs,
64 monitor_back_register_entry_callback,
65
66 monitor_back_unregister_entry,
67 monitor_back_unregister_entry_parent,
68 monitor_back_unregister_entry_attrs,
69 monitor_back_unregister_entry_callback,
70
71 monitor_back_entry_stub,
72 monitor_back_entrypriv_create,
73 monitor_back_register_subsys_late
74 };
75
76
77 /*
78 * subsystem data
79 *
80 * the known subsystems are added to the subsystems
81 * array at backend initialization; other subsystems
82 * may be added by calling monitor_back_register_subsys()
83 * before the database is opened (e.g. by other backends
84 * or by overlays or modules).
85 */
86 static struct monitor_subsys_t known_monitor_subsys[] = {
87 {
88 SLAPD_MONITOR_BACKEND_NAME,
89 BER_BVNULL, BER_BVNULL, BER_BVNULL,
90 { BER_BVC( "This subsystem contains information about available backends." ),
91 BER_BVNULL },
92 MONITOR_F_PERSISTENT_CH,
93 monitor_subsys_backend_init,
94 NULL, /* destroy */
95 NULL, /* update */
96 NULL, /* create */
97 NULL /* modify */
98 }, {
99 SLAPD_MONITOR_CONN_NAME,
100 BER_BVNULL, BER_BVNULL, BER_BVNULL,
101 { BER_BVC( "This subsystem contains information about connections." ),
102 BER_BVNULL },
103 MONITOR_F_VOLATILE_CH,
104 monitor_subsys_conn_init,
105 NULL, /* destroy */
106 NULL, /* update */
107 NULL, /* create */
108 NULL /* modify */
109 }, {
110 SLAPD_MONITOR_DATABASE_NAME,
111 BER_BVNULL, BER_BVNULL, BER_BVNULL,
112 { BER_BVC( "This subsystem contains information about configured databases." ),
113 BER_BVNULL },
114 MONITOR_F_PERSISTENT_CH,
115 monitor_subsys_database_init,
116 NULL, /* destroy */
117 NULL, /* update */
118 NULL, /* create */
119 NULL /* modify */
120 }, {
121 SLAPD_MONITOR_LISTENER_NAME,
122 BER_BVNULL, BER_BVNULL, BER_BVNULL,
123 { BER_BVC( "This subsystem contains information about active listeners." ),
124 BER_BVNULL },
125 MONITOR_F_PERSISTENT_CH,
126 monitor_subsys_listener_init,
127 NULL, /* destroy */
128 NULL, /* update */
129 NULL, /* create */
130 NULL /* modify */
131 }, {
132 SLAPD_MONITOR_LOG_NAME,
133 BER_BVNULL, BER_BVNULL, BER_BVNULL,
134 { BER_BVC( "This subsystem contains information about logging." ),
135 BER_BVC( "Set the attribute \"managedInfo\" to the desired log levels." ),
136 BER_BVNULL },
137 MONITOR_F_NONE,
138 monitor_subsys_log_init,
139 NULL, /* destroy */
140 NULL, /* update */
141 NULL, /* create */
142 NULL, /* modify */
143 }, {
144 SLAPD_MONITOR_OPS_NAME,
145 BER_BVNULL, BER_BVNULL, BER_BVNULL,
146 { BER_BVC( "This subsystem contains information about performed operations." ),
147 BER_BVNULL },
148 MONITOR_F_PERSISTENT_CH,
149 monitor_subsys_ops_init,
150 NULL, /* destroy */
151 NULL, /* update */
152 NULL, /* create */
153 NULL, /* modify */
154 }, {
155 SLAPD_MONITOR_OVERLAY_NAME,
156 BER_BVNULL, BER_BVNULL, BER_BVNULL,
157 { BER_BVC( "This subsystem contains information about available overlays." ),
158 BER_BVNULL },
159 MONITOR_F_PERSISTENT_CH,
160 monitor_subsys_overlay_init,
161 NULL, /* destroy */
162 NULL, /* update */
163 NULL, /* create */
164 NULL, /* modify */
165 }, {
166 SLAPD_MONITOR_SASL_NAME,
167 BER_BVNULL, BER_BVNULL, BER_BVNULL,
168 { BER_BVC( "This subsystem contains information about SASL." ),
169 BER_BVNULL },
170 MONITOR_F_NONE,
171 NULL, /* init */
172 NULL, /* destroy */
173 NULL, /* update */
174 NULL, /* create */
175 NULL /* modify */
176 }, {
177 SLAPD_MONITOR_SENT_NAME,
178 BER_BVNULL, BER_BVNULL, BER_BVNULL,
179 { BER_BVC( "This subsystem contains statistics." ),
180 BER_BVNULL },
181 MONITOR_F_PERSISTENT_CH,
182 monitor_subsys_sent_init,
183 NULL, /* destroy */
184 NULL, /* update */
185 NULL, /* create */
186 NULL, /* modify */
187 }, {
188 SLAPD_MONITOR_THREAD_NAME,
189 BER_BVNULL, BER_BVNULL, BER_BVNULL,
190 { BER_BVC( "This subsystem contains information about threads." ),
191 BER_BVNULL },
192 MONITOR_F_PERSISTENT_CH,
193 monitor_subsys_thread_init,
194 NULL, /* destroy */
195 NULL, /* update */
196 NULL, /* create */
197 NULL /* modify */
198 }, {
199 SLAPD_MONITOR_TIME_NAME,
200 BER_BVNULL, BER_BVNULL, BER_BVNULL,
201 { BER_BVC( "This subsystem contains information about time." ),
202 BER_BVNULL },
203 MONITOR_F_PERSISTENT_CH,
204 monitor_subsys_time_init,
205 NULL, /* destroy */
206 NULL, /* update */
207 NULL, /* create */
208 NULL, /* modify */
209 }, {
210 SLAPD_MONITOR_TLS_NAME,
211 BER_BVNULL, BER_BVNULL, BER_BVNULL,
212 { BER_BVC( "This subsystem contains information about TLS." ),
213 BER_BVNULL },
214 MONITOR_F_NONE,
215 NULL, /* init */
216 NULL, /* destroy */
217 NULL, /* update */
218 NULL, /* create */
219 NULL /* modify */
220 }, {
221 SLAPD_MONITOR_RWW_NAME,
222 BER_BVNULL, BER_BVNULL, BER_BVNULL,
223 { BER_BVC( "This subsystem contains information about read/write waiters." ),
224 BER_BVNULL },
225 MONITOR_F_PERSISTENT_CH,
226 monitor_subsys_rww_init,
227 NULL, /* destroy */
228 NULL, /* update */
229 NULL, /* create */
230 NULL /* modify */
231 }, { NULL }
232 };
233
234 int
235 monitor_subsys_is_opened( void )
236 {
237 return monitor_subsys_opened;
238 }
239
240 int
241 monitor_back_register_subsys(
242 monitor_subsys_t *ms )
243 {
244 int i = 0;
245
246 if ( monitor_subsys ) {
247 for ( ; monitor_subsys[ i ] != NULL; i++ )
248 /* just count'em */ ;
249 }
250
251 monitor_subsys = ch_realloc( monitor_subsys,
252 ( 2 + i ) * sizeof( monitor_subsys_t * ) );
253
254 if ( monitor_subsys == NULL ) {
255 return -1;
256 }
257
258 monitor_subsys[ i ] = ms;
259 monitor_subsys[ i + 1 ] = NULL;
260
261 /* if a subsystem is registered __AFTER__ subsystem
262 * initialization (depending on the sequence the databases
263 * are listed in slapd.conf), init it */
264 if ( monitor_subsys_is_opened() ) {
265
266 /* FIXME: this should only be possible
267 * if be_monitor is already initialized */
268 assert( be_monitor != NULL );
269
270 if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) {
271 return -1;
272 }
273
274 ms->mss_flags |= MONITOR_F_OPENED;
275 }
276
277 return 0;
278 }
279
280 enum {
281 LIMBO_ENTRY,
282 LIMBO_ENTRY_PARENT,
283 LIMBO_ATTRS,
284 LIMBO_CB,
285 LIMBO_BACKEND,
286 LIMBO_DATABASE,
287 LIMBO_OVERLAY_INFO,
288 LIMBO_OVERLAY,
289 LIMBO_SUBSYS,
290
291 LIMBO_LAST
292 };
293
294 typedef struct entry_limbo_t {
295 int el_type;
296 BackendInfo *el_bi;
297 BackendDB *el_be;
298 slap_overinst *el_on;
299 Entry *el_e;
300 Attribute *el_a;
301 struct berval *el_ndn;
302 struct berval el_nbase;
303 int el_scope;
304 struct berval el_filter;
305 monitor_callback_t *el_cb;
306 monitor_subsys_t *el_mss;
307 unsigned long el_flags;
308 struct entry_limbo_t *el_next;
309 } entry_limbo_t;
310
311 int
312 monitor_back_is_configured( void )
313 {
314 return be_monitor != NULL;
315 }
316
317 int
318 monitor_back_register_subsys_late(
319 monitor_subsys_t *ms )
320 {
321 entry_limbo_t **elpp, el = { 0 };
322 monitor_info_t *mi;
323
324 if ( be_monitor == NULL ) {
325 Debug( LDAP_DEBUG_ANY,
326 "monitor_back_register_subsys_late: "
327 "monitor database not configured.\n",
328 0, 0, 0 );
329 return -1;
330 }
331
332 /* everyting is ready, can register already */
333 if ( monitor_subsys_is_opened() ) {
334 return monitor_back_register_subsys( ms );
335 }
336
337 mi = ( monitor_info_t * )be_monitor->be_private;
338
339
340 el.el_type = LIMBO_SUBSYS;
341
342 el.el_mss = ms;
343
344 for ( elpp = &mi->mi_entry_limbo;
345 *elpp;
346 elpp = &(*elpp)->el_next )
347 /* go to last */;
348
349 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
350
351 el.el_next = NULL;
352 **elpp = el;
353
354 return 0;
355 }
356
357 int
358 monitor_back_register_backend(
359 BackendInfo *bi )
360 {
361 return -1;
362 }
363
364 int
365 monitor_back_register_overlay_info(
366 slap_overinst *on )
367 {
368 return -1;
369 }
370
371 int
372 monitor_back_register_backend_limbo(
373 BackendInfo *bi )
374 {
375 return -1;
376 }
377
378 int
379 monitor_back_register_database_limbo(
380 BackendDB *be,
381 struct berval *ndn_out )
382 {
383 entry_limbo_t **elpp, el = { 0 };
384 monitor_info_t *mi;
385
386 if ( be_monitor == NULL ) {
387 Debug( LDAP_DEBUG_ANY,
388 "monitor_back_register_database_limbo: "
389 "monitor database not configured.\n",
390 0, 0, 0 );
391 return -1;
392 }
393
394 mi = ( monitor_info_t * )be_monitor->be_private;
395
396
397 el.el_type = LIMBO_DATABASE;
398
399 el.el_be = be->bd_self;
400 el.el_ndn = ndn_out;
401
402 for ( elpp = &mi->mi_entry_limbo;
403 *elpp;
404 elpp = &(*elpp)->el_next )
405 /* go to last */;
406
407 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
408
409 el.el_next = NULL;
410 **elpp = el;
411
412 return 0;
413 }
414
415 int
416 monitor_back_register_overlay_info_limbo(
417 slap_overinst *on )
418 {
419 return -1;
420 }
421
422 int
423 monitor_back_register_overlay_limbo(
424 BackendDB *be,
425 struct slap_overinst *on,
426 struct berval *ndn_out )
427 {
428 entry_limbo_t **elpp, el = { 0 };
429 monitor_info_t *mi;
430
431 if ( be_monitor == NULL ) {
432 Debug( LDAP_DEBUG_ANY,
433 "monitor_back_register_overlay_limbo: "
434 "monitor database not configured.\n",
435 0, 0, 0 );
436 return -1;
437 }
438
439 mi = ( monitor_info_t * )be_monitor->be_private;
440
441
442 el.el_type = LIMBO_OVERLAY;
443
444 el.el_be = be->bd_self;
445 el.el_on = on;
446 el.el_ndn = ndn_out;
447
448 for ( elpp = &mi->mi_entry_limbo;
449 *elpp;
450 elpp = &(*elpp)->el_next )
451 /* go to last */;
452
453 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
454
455 el.el_next = NULL;
456 **elpp = el;
457
458 return 0;
459 }
460
461 int
462 monitor_back_register_entry(
463 Entry *e,
464 monitor_callback_t *cb,
465 monitor_subsys_t *mss,
466 unsigned long flags )
467 {
468 monitor_info_t *mi;
469
470 if ( be_monitor == NULL ) {
471 Debug( LDAP_DEBUG_ANY,
472 "monitor_back_register_entry(\"%s\"): "
473 "monitor database not configured.\n",
474 e->e_name.bv_val, 0, 0 );
475 return -1;
476 }
477
478 mi = ( monitor_info_t * )be_monitor->be_private;
479
480 assert( mi != NULL );
481 assert( e != NULL );
482 assert( e->e_private == NULL );
483
484 if ( monitor_subsys_is_opened() ) {
485 Entry *e_parent = NULL,
486 *e_new = NULL,
487 **ep = NULL;
488 struct berval pdn = BER_BVNULL;
489 monitor_entry_t *mp = NULL,
490 *mp_parent = NULL;
491 int rc = 0;
492
493 if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) {
494 /* entry exists */
495 Debug( LDAP_DEBUG_ANY,
496 "monitor_back_register_entry(\"%s\"): "
497 "entry exists\n",
498 e->e_name.bv_val, 0, 0 );
499 monitor_cache_release( mi, e_parent );
500 return -1;
501 }
502
503 dnParent( &e->e_nname, &pdn );
504 if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) {
505 /* parent does not exist */
506 Debug( LDAP_DEBUG_ANY,
507 "monitor_back_register_entry(\"%s\"): "
508 "parent \"%s\" not found\n",
509 e->e_name.bv_val, pdn.bv_val, 0 );
510 return -1;
511 }
512
513 assert( e_parent->e_private != NULL );
514 mp_parent = ( monitor_entry_t * )e_parent->e_private;
515
516 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
517 /* entry is volatile; cannot append children */
518 Debug( LDAP_DEBUG_ANY,
519 "monitor_back_register_entry(\"%s\"): "
520 "parent \"%s\" is volatile\n",
521 e->e_name.bv_val, e_parent->e_name.bv_val, 0 );
522 rc = -1;
523 goto done;
524 }
525
526 mp = monitor_entrypriv_create();
527 if ( mp == NULL ) {
528 Debug( LDAP_DEBUG_ANY,
529 "monitor_back_register_entry(\"%s\"): "
530 "monitor_entrypriv_create() failed\n",
531 e->e_name.bv_val, 0, 0 );
532 rc = -1;
533 goto done;
534 }
535
536 e_new = entry_dup( e );
537 if ( e_new == NULL ) {
538 Debug( LDAP_DEBUG_ANY,
539 "monitor_back_register_entry(\"%s\"): "
540 "entry_dup() failed\n",
541 e->e_name.bv_val, 0, 0 );
542 rc = -1;
543 goto done;
544 }
545
546 e_new->e_private = ( void * )mp;
547 if ( mss != NULL ) {
548 mp->mp_info = mss;
549 mp->mp_flags = flags;
550
551 } else {
552 mp->mp_info = mp_parent->mp_info;
553 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
554 }
555 mp->mp_cb = cb;
556
557 ep = &mp_parent->mp_children;
558 for ( ; *ep; ) {
559 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
560 ep = &mp_parent->mp_next;
561 }
562 *ep = e_new;
563
564 if ( monitor_cache_add( mi, e_new ) ) {
565 Debug( LDAP_DEBUG_ANY,
566 "monitor_back_register_entry(\"%s\"): "
567 "unable to add entry\n",
568 e->e_name.bv_val, 0, 0 );
569 rc = -1;
570 goto done;
571 }
572
573 done:;
574 if ( rc ) {
575 if ( mp ) {
576 ch_free( mp );
577 }
578 if ( e_new ) {
579 e_new->e_private = NULL;
580 entry_free( e_new );
581 }
582 }
583
584 if ( e_parent ) {
585 monitor_cache_release( mi, e_parent );
586 }
587
588 } else {
589 entry_limbo_t **elpp, el = { 0 };
590
591 el.el_type = LIMBO_ENTRY;
592
593 el.el_e = entry_dup( e );
594 if ( el.el_e == NULL ) {
595 Debug( LDAP_DEBUG_ANY,
596 "monitor_back_register_entry(\"%s\"): "
597 "entry_dup() failed\n",
598 e->e_name.bv_val, 0, 0 );
599 return -1;
600 }
601
602 el.el_cb = cb;
603 el.el_mss = mss;
604 el.el_flags = flags;
605
606 for ( elpp = &mi->mi_entry_limbo;
607 *elpp;
608 elpp = &(*elpp)->el_next )
609 /* go to last */;
610
611 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
612 if ( *elpp == NULL ) {
613 el.el_e->e_private = NULL;
614 entry_free( el.el_e );
615 return -1;
616 }
617
618 el.el_next = NULL;
619 **elpp = el;
620 }
621
622 return 0;
623 }
624
625 int
626 monitor_back_register_entry_parent(
627 Entry *e,
628 monitor_callback_t *cb,
629 monitor_subsys_t *mss,
630 unsigned long flags,
631 struct berval *nbase,
632 int scope,
633 struct berval *filter )
634 {
635 monitor_info_t *mi;
636 struct berval ndn = BER_BVNULL;
637
638 if ( be_monitor == NULL ) {
639 Debug( LDAP_DEBUG_ANY,
640 "monitor_back_register_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
641 "monitor database not configured.\n",
642 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
643 ldap_pvt_scope2str( scope ),
644 BER_BVISNULL( filter ) ? "" : filter->bv_val );
645 return -1;
646 }
647
648 mi = ( monitor_info_t * )be_monitor->be_private;
649
650 assert( mi != NULL );
651 assert( e != NULL );
652 assert( e->e_private == NULL );
653
654 if ( BER_BVISNULL( filter ) ) {
655 /* need a filter */
656 Debug( LDAP_DEBUG_ANY,
657 "monitor_back_register_entry_parent(\"\"): "
658 "need a valid filter\n",
659 0, 0, 0 );
660 return -1;
661 }
662
663 if ( monitor_subsys_is_opened() ) {
664 Entry *e_parent = NULL,
665 *e_new = NULL,
666 **ep = NULL;
667 struct berval e_name = BER_BVNULL,
668 e_nname = BER_BVNULL;
669 monitor_entry_t *mp = NULL,
670 *mp_parent = NULL;
671 int rc = 0;
672
673 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
674 /* entry does not exist */
675 Debug( LDAP_DEBUG_ANY,
676 "monitor_back_register_entry_parent(\"\"): "
677 "base=\"%s\" scope=%s filter=\"%s\": "
678 "unable to find entry\n",
679 nbase->bv_val ? nbase->bv_val : "\"\"",
680 ldap_pvt_scope2str( scope ),
681 filter->bv_val );
682 return -1;
683 }
684
685 if ( monitor_cache_get( mi, &ndn, &e_parent ) != 0 ) {
686 /* entry does not exist */
687 Debug( LDAP_DEBUG_ANY,
688 "monitor_back_register_entry_parent(\"%s\"): "
689 "parent entry does not exist\n",
690 ndn.bv_val, 0, 0 );
691 rc = -1;
692 goto done;
693 }
694
695 assert( e_parent->e_private != NULL );
696 mp_parent = ( monitor_entry_t * )e_parent->e_private;
697
698 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
699 /* entry is volatile; cannot append callback */
700 Debug( LDAP_DEBUG_ANY,
701 "monitor_back_register_entry_parent(\"%s\"): "
702 "entry is volatile\n",
703 e_parent->e_name.bv_val, 0, 0 );
704 rc = -1;
705 goto done;
706 }
707
708 build_new_dn( &e_name, &e_parent->e_name, &e->e_name, NULL );
709 build_new_dn( &e_nname, &e_parent->e_nname, &e->e_nname, NULL );
710
711 if ( monitor_cache_get( mi, &e_nname, &e_new ) == 0 ) {
712 /* entry already exists */
713 Debug( LDAP_DEBUG_ANY,
714 "monitor_back_register_entry_parent(\"%s\"): "
715 "entry already exists\n",
716 e_name.bv_val, 0, 0 );
717 monitor_cache_release( mi, e_new );
718 e_new = NULL;
719 rc = -1;
720 goto done;
721 }
722
723 mp = monitor_entrypriv_create();
724 if ( mp == NULL ) {
725 Debug( LDAP_DEBUG_ANY,
726 "monitor_back_register_entry_parent(\"%s\"): "
727 "monitor_entrypriv_create() failed\n",
728 e->e_name.bv_val, 0, 0 );
729 rc = -1;
730 goto done;
731 }
732
733 e_new = entry_dup( e );
734 if ( e_new == NULL ) {
735 Debug( LDAP_DEBUG_ANY,
736 "monitor_back_register_entry(\"%s\"): "
737 "entry_dup() failed\n",
738 e->e_name.bv_val, 0, 0 );
739 rc = -1;
740 goto done;
741 }
742 ch_free( e_new->e_name.bv_val );
743 ch_free( e_new->e_nname.bv_val );
744 e_new->e_name = e_name;
745 e_new->e_nname = e_nname;
746
747 e_new->e_private = ( void * )mp;
748 if ( mss != NULL ) {
749 mp->mp_info = mss;
750 mp->mp_flags = flags;
751
752 } else {
753 mp->mp_info = mp_parent->mp_info;
754 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
755 }
756 mp->mp_cb = cb;
757
758 ep = &mp_parent->mp_children;
759 for ( ; *ep; ) {
760 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
761 ep = &mp_parent->mp_next;
762 }
763 *ep = e_new;
764
765 if ( monitor_cache_add( mi, e_new ) ) {
766 Debug( LDAP_DEBUG_ANY,
767 "monitor_back_register_entry(\"%s\"): "
768 "unable to add entry\n",
769 e->e_name.bv_val, 0, 0 );
770 rc = -1;
771 goto done;
772 }
773
774 done:;
775 if ( !BER_BVISNULL( &ndn ) ) {
776 ch_free( ndn.bv_val );
777 }
778
779 if ( rc ) {
780 if ( mp ) {
781 ch_free( mp );
782 }
783 if ( e_new ) {
784 e_new->e_private = NULL;
785 entry_free( e_new );
786 }
787 }
788
789 if ( e_parent ) {
790 monitor_cache_release( mi, e_parent );
791 }
792
793 } else {
794 entry_limbo_t **elpp = NULL, el = { 0 };
795
796 el.el_type = LIMBO_ENTRY_PARENT;
797
798 el.el_e = entry_dup( e );
799 if ( el.el_e == NULL ) {
800 Debug( LDAP_DEBUG_ANY,
801 "monitor_back_register_entry(\"%s\"): "
802 "entry_dup() failed\n",
803 e->e_name.bv_val, 0, 0 );
804 goto done_limbo;
805 }
806
807 if ( !BER_BVISNULL( nbase ) ) {
808 ber_dupbv( &el.el_nbase, nbase );
809 }
810
811 el.el_scope = scope;
812 if ( !BER_BVISNULL( filter ) ) {
813 ber_dupbv( &el.el_filter, filter );
814 }
815
816 el.el_cb = cb;
817 el.el_mss = mss;
818 el.el_flags = flags;
819
820 for ( elpp = &mi->mi_entry_limbo;
821 *elpp;
822 elpp = &(*elpp)->el_next )
823 /* go to last */;
824
825 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
826 if ( *elpp == NULL ) {
827 goto done_limbo;
828 }
829
830 done_limbo:;
831 if ( *elpp != NULL ) {
832 el.el_next = NULL;
833 **elpp = el;
834
835 } else {
836 if ( !BER_BVISNULL( &el.el_filter ) ) {
837 ch_free( el.el_filter.bv_val );
838 }
839 if ( !BER_BVISNULL( &el.el_nbase ) ) {
840 ch_free( el.el_nbase.bv_val );
841 }
842 entry_free( el.el_e );
843 return -1;
844 }
845 }
846
847 return 0;
848 }
849
850 static int
851 monitor_search2ndn_cb( Operation *op, SlapReply *rs )
852 {
853 if ( rs->sr_type == REP_SEARCH ) {
854 struct berval *ndn = op->o_callback->sc_private;
855
856 if ( !BER_BVISNULL( ndn ) ) {
857 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
858 ch_free( ndn->bv_val );
859 BER_BVZERO( ndn );
860 return rs->sr_err;
861 }
862
863 ber_dupbv( ndn, &rs->sr_entry->e_nname );
864 }
865
866 return 0;
867 }
868
869 int
870 monitor_search2ndn(
871 struct berval *nbase,
872 int scope,
873 struct berval *filter,
874 struct berval *ndn )
875 {
876 Connection conn = { 0 };
877 OperationBuffer opbuf;
878 Operation *op;
879 void *thrctx;
880 SlapReply rs = { REP_RESULT };
881 slap_callback cb = { NULL, monitor_search2ndn_cb, NULL, NULL };
882 int rc;
883
884 BER_BVZERO( ndn );
885
886 if ( be_monitor == NULL ) {
887 return -1;
888 }
889
890 thrctx = ldap_pvt_thread_pool_context();
891 connection_fake_init2( &conn, &opbuf, thrctx, 0 );
892 op = &opbuf.ob_op;
893
894 op->o_tag = LDAP_REQ_SEARCH;
895
896 /* use global malloc for now */
897 if ( op->o_tmpmemctx ) {
898 op->o_tmpmemctx = NULL;
899 }
900 op->o_tmpmfuncs = &ch_mfuncs;
901
902 op->o_bd = be_monitor;
903 if ( nbase == NULL || BER_BVISNULL( nbase ) ) {
904 ber_dupbv_x( &op->o_req_dn, &op->o_bd->be_suffix[ 0 ],
905 op->o_tmpmemctx );
906 ber_dupbv_x( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ],
907 op->o_tmpmemctx );
908
909 } else {
910 if ( dnPrettyNormal( NULL, nbase, &op->o_req_dn, &op->o_req_ndn,
911 op->o_tmpmemctx ) ) {
912 return -1;
913 }
914 }
915
916 op->o_callback = &cb;
917 cb.sc_private = (void *)ndn;
918
919 op->ors_scope = scope;
920 op->ors_filter = str2filter_x( op, filter->bv_val );
921 if ( op->ors_filter == NULL ) {
922 rc = LDAP_OTHER;
923 goto cleanup;
924 }
925 ber_dupbv_x( &op->ors_filterstr, filter, op->o_tmpmemctx );
926 op->ors_attrs = slap_anlist_no_attrs;
927 op->ors_attrsonly = 0;
928 op->ors_tlimit = SLAP_NO_LIMIT;
929 op->ors_slimit = 1;
930 op->ors_limit = NULL;
931 op->ors_deref = LDAP_DEREF_NEVER;
932
933 op->o_nocaching = 1;
934 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
935
936 op->o_dn = be_monitor->be_rootdn;
937 op->o_ndn = be_monitor->be_rootndn;
938
939 rc = op->o_bd->be_search( op, &rs );
940
941 cleanup:;
942 if ( op->ors_filter != NULL ) {
943 filter_free_x( op, op->ors_filter, 1 );
944 }
945 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
946 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
947 }
948 if ( !BER_BVISNULL( &op->o_req_dn ) ) {
949 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
950 }
951 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
952 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
953 }
954
955 if ( rc != 0 ) {
956 return rc;
957 }
958
959 switch ( rs.sr_err ) {
960 case LDAP_SUCCESS:
961 if ( BER_BVISNULL( ndn ) ) {
962 rc = -1;
963 }
964 break;
965
966 case LDAP_SIZELIMIT_EXCEEDED:
967 default:
968 if ( !BER_BVISNULL( ndn ) ) {
969 ber_memfree( ndn->bv_val );
970 BER_BVZERO( ndn );
971 }
972 rc = -1;
973 break;
974 }
975
976 return rc;
977 }
978
979 int
980 monitor_back_register_entry_attrs(
981 struct berval *ndn_in,
982 Attribute *a,
983 monitor_callback_t *cb,
984 struct berval *nbase,
985 int scope,
986 struct berval *filter )
987 {
988 monitor_info_t *mi;
989 struct berval ndn = BER_BVNULL;
990 char *fname = ( a == NULL ? "callback" : "attrs" );
991 struct berval empty_bv = BER_BVC("");
992
993 if ( nbase == NULL ) nbase = &empty_bv;
994 if ( filter == NULL ) filter = &empty_bv;
995
996 if ( be_monitor == NULL ) {
997 char buf[ SLAP_TEXT_BUFLEN ];
998
999 snprintf( buf, sizeof( buf ),
1000 "monitor_back_register_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
1001 "monitor database not configured.\n",
1002 fname,
1003 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1004 ldap_pvt_scope2str( scope ),
1005 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1006 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1007
1008 return -1;
1009 }
1010
1011 mi = ( monitor_info_t * )be_monitor->be_private;
1012
1013 assert( mi != NULL );
1014
1015 if ( ndn_in != NULL ) {
1016 ndn = *ndn_in;
1017 }
1018
1019 if ( a == NULL && cb == NULL ) {
1020 /* nothing to do */
1021 return -1;
1022 }
1023
1024 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
1025 && BER_BVISNULL( filter ) )
1026 {
1027 /* need a filter */
1028 Debug( LDAP_DEBUG_ANY,
1029 "monitor_back_register_entry_%s(\"\"): "
1030 "need a valid filter\n",
1031 fname, 0, 0 );
1032 return -1;
1033 }
1034
1035 if ( monitor_subsys_is_opened() ) {
1036 Entry *e = NULL;
1037 Attribute **atp = NULL;
1038 monitor_entry_t *mp = NULL;
1039 monitor_callback_t **mcp = NULL;
1040 int rc = 0;
1041 int freeit = 0;
1042
1043 if ( BER_BVISNULL( &ndn ) ) {
1044 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1045 char buf[ SLAP_TEXT_BUFLEN ];
1046
1047 snprintf( buf, sizeof( buf ),
1048 "monitor_back_register_entry_%s(\"\"): "
1049 "base=\"%s\" scope=%s filter=\"%s\": "
1050 "unable to find entry\n",
1051 fname,
1052 nbase->bv_val ? nbase->bv_val : "\"\"",
1053 ldap_pvt_scope2str( scope ),
1054 filter->bv_val );
1055
1056 /* entry does not exist */
1057 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1058 return -1;
1059 }
1060
1061 freeit = 1;
1062 }
1063
1064 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1065 /* entry does not exist */
1066 Debug( LDAP_DEBUG_ANY,
1067 "monitor_back_register_entry_%s(\"%s\"): "
1068 "entry does not exist\n",
1069 fname, ndn.bv_val, 0 );
1070 rc = -1;
1071 goto done;
1072 }
1073
1074 assert( e->e_private != NULL );
1075 mp = ( monitor_entry_t * )e->e_private;
1076
1077 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
1078 /* entry is volatile; cannot append callback */
1079 Debug( LDAP_DEBUG_ANY,
1080 "monitor_back_register_entry_%s(\"%s\"): "
1081 "entry is volatile\n",
1082 fname, e->e_name.bv_val, 0 );
1083 rc = -1;
1084 goto done;
1085 }
1086
1087 if ( a ) {
1088 for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
1089 /* just get to last */ ;
1090
1091 for ( ; a != NULL; a = a->a_next ) {
1092 assert( a->a_desc != NULL );
1093 assert( a->a_vals != NULL );
1094
1095 if ( attr_find( e->e_attrs, a->a_desc ) ) {
1096 attr_merge( e, a->a_desc, a->a_vals,
1097 a->a_nvals == a->a_vals ? NULL : a->a_nvals );
1098
1099 } else {
1100 *atp = attr_dup( a );
1101 if ( *atp == NULL ) {
1102 Debug( LDAP_DEBUG_ANY,
1103 "monitor_back_register_entry_%s(\"%s\"): "
1104 "attr_dup() failed\n",
1105 fname, e->e_name.bv_val, 0 );
1106 rc = -1;
1107 goto done;
1108 }
1109 atp = &(*atp)->a_next;
1110 }
1111 }
1112 }
1113
1114 if ( cb ) {
1115 for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
1116 /* go to tail */ ;
1117
1118 /* NOTE: we do not clear cb->mc_next, so this function
1119 * can be used to append a list of callbacks */
1120 (*mcp) = cb;
1121 }
1122
1123 done:;
1124 if ( rc ) {
1125 if ( atp && *atp ) {
1126 attrs_free( *atp );
1127 *atp = NULL;
1128 }
1129 }
1130
1131 if ( freeit ) {
1132 ber_memfree( ndn.bv_val );
1133 }
1134
1135 if ( e ) {
1136 monitor_cache_release( mi, e );
1137 }
1138
1139 } else {
1140 entry_limbo_t **elpp, el = { 0 };
1141
1142 el.el_type = LIMBO_ATTRS;
1143 el.el_ndn = ndn_in;
1144 if ( !BER_BVISNULL( nbase ) ) {
1145 ber_dupbv( &el.el_nbase, nbase);
1146 }
1147 el.el_scope = scope;
1148 if ( !BER_BVISNULL( filter ) ) {
1149 ber_dupbv( &el.el_filter, filter );
1150 }
1151
1152 el.el_a = attrs_dup( a );
1153 el.el_cb = cb;
1154
1155 for ( elpp = &mi->mi_entry_limbo;
1156 *elpp;
1157 elpp = &(*elpp)->el_next )
1158 /* go to last */;
1159
1160 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
1161 if ( *elpp == NULL ) {
1162 if ( !BER_BVISNULL( &el.el_filter ) ) {
1163 ch_free( el.el_filter.bv_val );
1164 }
1165 if ( el.el_a != NULL ) {
1166 attrs_free( el.el_a );
1167 }
1168 if ( !BER_BVISNULL( &el.el_nbase ) ) {
1169 ch_free( &el.el_nbase.bv_val );
1170 }
1171 return -1;
1172 }
1173
1174 el.el_next = NULL;
1175 **elpp = el;
1176 }
1177
1178 return 0;
1179 }
1180
1181 int
1182 monitor_back_register_entry_callback(
1183 struct berval *ndn,
1184 monitor_callback_t *cb,
1185 struct berval *nbase,
1186 int scope,
1187 struct berval *filter )
1188 {
1189 return monitor_back_register_entry_attrs( ndn, NULL, cb,
1190 nbase, scope, filter );
1191 }
1192
1193 /*
1194 * TODO: add corresponding calls to remove installed callbacks, entries
1195 * and so, in case the entity that installed them is removed (e.g. a
1196 * database, via back-config)
1197 */
1198 int
1199 monitor_back_unregister_entry(
1200 struct berval *ndn )
1201 {
1202 monitor_info_t *mi;
1203
1204 if ( be_monitor == NULL ) {
1205 Debug( LDAP_DEBUG_ANY,
1206 "monitor_back_unregister_entry(\"%s\"): "
1207 "monitor database not configured.\n",
1208 ndn->bv_val, 0, 0 );
1209
1210 return -1;
1211 }
1212
1213 /* entry will be regularly freed, and resources released
1214 * according to callbacks */
1215 if ( slapd_shutdown ) {
1216 return 0;
1217 }
1218
1219 mi = ( monitor_info_t * )be_monitor->be_private;
1220
1221 assert( mi != NULL );
1222
1223 if ( monitor_subsys_is_opened() ) {
1224 Entry *e = NULL;
1225 monitor_entry_t *mp = NULL;
1226 monitor_callback_t *cb = NULL;
1227
1228 if ( monitor_cache_remove( mi, ndn, &e ) != 0 ) {
1229 /* entry does not exist */
1230 Debug( LDAP_DEBUG_ANY,
1231 "monitor_back_unregister_entry(\"%s\"): "
1232 "entry removal failed.\n",
1233 ndn->bv_val, 0, 0 );
1234 return -1;
1235 }
1236
1237 mp = (monitor_entry_t *)e->e_private;
1238 assert( mp != NULL );
1239
1240 for ( cb = mp->mp_cb; cb != NULL; ) {
1241 monitor_callback_t *next = cb->mc_next;
1242
1243 if ( cb->mc_free ) {
1244 (void)cb->mc_free( e, &cb->mc_private );
1245 }
1246 ch_free( cb );
1247
1248 cb = next;
1249 }
1250
1251 ch_free( mp );
1252 e->e_private = NULL;
1253 entry_free( e );
1254
1255 } else {
1256 entry_limbo_t **elpp;
1257
1258 for ( elpp = &mi->mi_entry_limbo;
1259 *elpp;
1260 elpp = &(*elpp)->el_next )
1261 {
1262 entry_limbo_t *elp = *elpp;
1263
1264 if ( elp->el_type == LIMBO_ENTRY
1265 && dn_match( ndn, &elp->el_e->e_nname ) )
1266 {
1267 monitor_callback_t *cb, *next;
1268
1269 for ( cb = elp->el_cb; cb; cb = next ) {
1270 /* FIXME: call callbacks? */
1271 next = cb->mc_next;
1272 if ( cb->mc_dispose ) {
1273 cb->mc_dispose( &cb->mc_private );
1274 }
1275 ch_free( cb );
1276 }
1277 assert( elp->el_e != NULL );
1278 elp->el_e->e_private = NULL;
1279 entry_free( elp->el_e );
1280 *elpp = elp->el_next;
1281 ch_free( elp );
1282 elpp = NULL;
1283 break;
1284 }
1285 }
1286
1287 if ( elpp != NULL ) {
1288 /* not found! where did it go? */
1289 return 1;
1290 }
1291 }
1292
1293 return 0;
1294 }
1295
1296 int
1297 monitor_back_unregister_entry_parent(
1298 struct berval *nrdn,
1299 monitor_callback_t *target_cb,
1300 struct berval *nbase,
1301 int scope,
1302 struct berval *filter )
1303 {
1304 monitor_info_t *mi;
1305 struct berval ndn = BER_BVNULL;
1306
1307 if ( be_monitor == NULL ) {
1308 Debug( LDAP_DEBUG_ANY,
1309 "monitor_back_unregister_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
1310 "monitor database not configured.\n",
1311 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1312 ldap_pvt_scope2str( scope ),
1313 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1314
1315 return -1;
1316 }
1317
1318 /* entry will be regularly freed, and resources released
1319 * according to callbacks */
1320 if ( slapd_shutdown ) {
1321 return 0;
1322 }
1323
1324 mi = ( monitor_info_t * )be_monitor->be_private;
1325
1326 assert( mi != NULL );
1327
1328 if ( ( nrdn == NULL || BER_BVISNULL( nrdn ) )
1329 && BER_BVISNULL( filter ) )
1330 {
1331 /* need a filter */
1332 Debug( LDAP_DEBUG_ANY,
1333 "monitor_back_unregister_entry_parent(\"\"): "
1334 "need a valid filter\n",
1335 0, 0, 0 );
1336 return -1;
1337 }
1338
1339 if ( monitor_subsys_is_opened() ) {
1340 Entry *e = NULL;
1341 monitor_entry_t *mp = NULL;
1342
1343 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1344 /* entry does not exist */
1345 Debug( LDAP_DEBUG_ANY,
1346 "monitor_back_unregister_entry_parent(\"\"): "
1347 "base=\"%s\" scope=%s filter=\"%s\": "
1348 "unable to find entry\n",
1349 nbase->bv_val ? nbase->bv_val : "\"\"",
1350 ldap_pvt_scope2str( scope ),
1351 filter->bv_val );
1352 return -1;
1353 }
1354
1355 if ( monitor_cache_remove( mi, &ndn, &e ) != 0 ) {
1356 /* entry does not exist */
1357 Debug( LDAP_DEBUG_ANY,
1358 "monitor_back_unregister_entry(\"%s\"): "
1359 "entry removal failed.\n",
1360 ndn.bv_val, 0, 0 );
1361 ber_memfree( ndn.bv_val );
1362 return -1;
1363 }
1364 ber_memfree( ndn.bv_val );
1365
1366 mp = (monitor_entry_t *)e->e_private;
1367 assert( mp != NULL );
1368
1369 if ( target_cb != NULL ) {
1370 monitor_callback_t **cbp;
1371
1372 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1373 if ( *cbp == target_cb ) {
1374 if ( (*cbp)->mc_free ) {
1375 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1376 }
1377 *cbp = (*cbp)->mc_next;
1378 ch_free( target_cb );
1379 break;
1380 }
1381 }
1382 }
1383
1384
1385 ch_free( mp );
1386 e->e_private = NULL;
1387 entry_free( e );
1388
1389 } else {
1390 entry_limbo_t **elpp;
1391
1392 for ( elpp = &mi->mi_entry_limbo;
1393 *elpp;
1394 elpp = &(*elpp)->el_next )
1395 {
1396 entry_limbo_t *elp = *elpp;
1397
1398 if ( elp->el_type == LIMBO_ENTRY_PARENT
1399 && dn_match( nrdn, &elp->el_e->e_nname )
1400 && dn_match( nbase, &elp->el_nbase )
1401 && scope == elp->el_scope
1402 && bvmatch( filter, &elp->el_filter ) )
1403 {
1404 monitor_callback_t *cb, *next;
1405
1406 for ( cb = elp->el_cb; cb; cb = next ) {
1407 /* FIXME: call callbacks? */
1408 next = cb->mc_next;
1409 if ( cb->mc_dispose ) {
1410 cb->mc_dispose( &cb->mc_private );
1411 }
1412 ch_free( cb );
1413 }
1414 assert( elp->el_e != NULL );
1415 elp->el_e->e_private = NULL;
1416 entry_free( elp->el_e );
1417 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1418 ch_free( elp->el_nbase.bv_val );
1419 }
1420 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1421 ch_free( elp->el_filter.bv_val );
1422 }
1423 *elpp = elp->el_next;
1424 ch_free( elp );
1425 elpp = NULL;
1426 break;
1427 }
1428 }
1429
1430 if ( elpp != NULL ) {
1431 /* not found! where did it go? */
1432 return 1;
1433 }
1434 }
1435
1436 return 0;
1437 }
1438
1439 int
1440 monitor_back_unregister_entry_attrs(
1441 struct berval *ndn_in,
1442 Attribute *target_a,
1443 monitor_callback_t *target_cb,
1444 struct berval *nbase,
1445 int scope,
1446 struct berval *filter )
1447 {
1448 monitor_info_t *mi;
1449 struct berval ndn = BER_BVNULL;
1450 char *fname = ( target_a == NULL ? "callback" : "attrs" );
1451
1452 if ( be_monitor == NULL ) {
1453 char buf[ SLAP_TEXT_BUFLEN ];
1454
1455 snprintf( buf, sizeof( buf ),
1456 "monitor_back_unregister_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
1457 "monitor database not configured.\n",
1458 fname,
1459 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1460 ldap_pvt_scope2str( scope ),
1461 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1462 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1463
1464 return -1;
1465 }
1466
1467 /* entry will be regularly freed, and resources released
1468 * according to callbacks */
1469 if ( slapd_shutdown ) {
1470 return 0;
1471 }
1472
1473 mi = ( monitor_info_t * )be_monitor->be_private;
1474
1475 assert( mi != NULL );
1476
1477 if ( ndn_in != NULL ) {
1478 ndn = *ndn_in;
1479 }
1480
1481 if ( target_a == NULL && target_cb == NULL ) {
1482 /* nothing to do */
1483 return -1;
1484 }
1485
1486 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
1487 && BER_BVISNULL( filter ) )
1488 {
1489 /* need a filter */
1490 Debug( LDAP_DEBUG_ANY,
1491 "monitor_back_unregister_entry_%s(\"\"): "
1492 "need a valid filter\n",
1493 fname, 0, 0 );
1494 return -1;
1495 }
1496
1497 if ( monitor_subsys_is_opened() ) {
1498 Entry *e = NULL;
1499 monitor_entry_t *mp = NULL;
1500 int freeit = 0;
1501
1502 if ( BER_BVISNULL( &ndn ) ) {
1503 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1504 char buf[ SLAP_TEXT_BUFLEN ];
1505
1506 snprintf( buf, sizeof( buf ),
1507 "monitor_back_unregister_entry_%s(\"\"): "
1508 "base=\"%s\" scope=%d filter=\"%s\": "
1509 "unable to find entry\n",
1510 fname,
1511 nbase->bv_val ? nbase->bv_val : "\"\"",
1512 scope, filter->bv_val );
1513
1514 /* entry does not exist */
1515 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1516 return -1;
1517 }
1518
1519 freeit = 1;
1520 }
1521
1522 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1523 /* entry does not exist */
1524 Debug( LDAP_DEBUG_ANY,
1525 "monitor_back_unregister_entry(\"%s\"): "
1526 "entry removal failed.\n",
1527 ndn.bv_val, 0, 0 );
1528 return -1;
1529 }
1530
1531 mp = (monitor_entry_t *)e->e_private;
1532 assert( mp != NULL );
1533
1534 if ( target_cb != NULL ) {
1535 monitor_callback_t **cbp;
1536
1537 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1538 if ( *cbp == target_cb ) {
1539 if ( (*cbp)->mc_free ) {
1540 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1541 }
1542 *cbp = (*cbp)->mc_next;
1543 ch_free( target_cb );
1544 break;
1545 }
1546 }
1547 }
1548
1549 if ( target_a != NULL ) {
1550 Attribute *a;
1551
1552 for ( a = target_a; a != NULL; a = a->a_next ) {
1553 Modification mod = { 0 };
1554 const char *text;
1555 char textbuf[ SLAP_TEXT_BUFLEN ];
1556
1557 mod.sm_op = LDAP_MOD_DELETE;
1558 mod.sm_desc = a->a_desc;
1559 mod.sm_values = a->a_vals;
1560 mod.sm_nvalues = a->a_nvals;
1561
1562 (void)modify_delete_values( e, &mod, 1,
1563 &text, textbuf, sizeof( textbuf ) );
1564 }
1565 }
1566
1567 if ( freeit ) {
1568 ber_memfree( ndn.bv_val );
1569 }
1570
1571 monitor_cache_release( mi, e );
1572
1573 } else {
1574 entry_limbo_t **elpp;
1575
1576 for ( elpp = &mi->mi_entry_limbo;
1577 *elpp;
1578 elpp = &(*elpp)->el_next )
1579 {
1580 entry_limbo_t *elp = *elpp;
1581
1582 if ( elp->el_type == LIMBO_ATTRS
1583 && dn_match( nbase, &elp->el_nbase )
1584 && scope == elp->el_scope
1585 && bvmatch( filter, &elp->el_filter ) )
1586 {
1587 monitor_callback_t *cb, *next;
1588
1589 for ( cb = elp->el_cb; cb; cb = next ) {
1590 /* FIXME: call callbacks? */
1591 next = cb->mc_next;
1592 if ( cb->mc_dispose ) {
1593 cb->mc_dispose( &cb->mc_private );
1594 }
1595 ch_free( cb );
1596 }
1597 assert( elp->el_e == NULL );
1598 if ( elp->el_a != NULL ) {
1599 attrs_free( elp->el_a );
1600 }
1601 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1602 ch_free( elp->el_nbase.bv_val );
1603 }
1604 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1605 ch_free( elp->el_filter.bv_val );
1606 }
1607 *elpp = elp->el_next;
1608 ch_free( elp );
1609 elpp = NULL;
1610 break;
1611 }
1612 }
1613
1614 if ( elpp != NULL ) {
1615 /* not found! where did it go? */
1616 return 1;
1617 }
1618 }
1619
1620 return 0;
1621 }
1622
1623 int
1624 monitor_back_unregister_entry_callback(
1625 struct berval *ndn,
1626 monitor_callback_t *cb,
1627 struct berval *nbase,
1628 int scope,
1629 struct berval *filter )
1630 {
1631 /* TODO: lookup entry (by ndn, if not NULL, and/or by callback);
1632 * unregister the callback; if a is not null, unregister the
1633 * given attrs. In any case, call cb->cb_free */
1634 return monitor_back_unregister_entry_attrs( ndn,
1635 NULL, cb, nbase, scope, filter );
1636 }
1637
1638 monitor_subsys_t *
1639 monitor_back_get_subsys( const char *name )
1640 {
1641 if ( monitor_subsys != NULL ) {
1642 int i;
1643
1644 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1645 if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
1646 return monitor_subsys[ i ];
1647 }
1648 }
1649 }
1650
1651 return NULL;
1652 }
1653
1654 monitor_subsys_t *
1655 monitor_back_get_subsys_by_dn(
1656 struct berval *ndn,
1657 int sub )
1658 {
1659 if ( monitor_subsys != NULL ) {
1660 int i;
1661
1662 if ( sub ) {
1663 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1664 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1665 return monitor_subsys[ i ];
1666 }
1667 }
1668
1669 } else {
1670 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1671 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1672 return monitor_subsys[ i ];
1673 }
1674 }
1675 }
1676 }
1677
1678 return NULL;
1679 }
1680
1681 int
1682 monitor_back_initialize(
1683 BackendInfo *bi )
1684 {
1685 static char *controls[] = {
1686 LDAP_CONTROL_MANAGEDSAIT,
1687 NULL
1688 };
1689
1690 static ConfigTable monitorcfg[] = {
1691 { NULL, NULL, 0, 0, 0, ARG_IGNORED,
1692 NULL, NULL, NULL, NULL }
1693 };
1694
1695 static ConfigOCs monitorocs[] = {
1696 { "( OLcfgDbOc:4.1 "
1697 "NAME 'olcMonitorConfig' "
1698 "DESC 'Monitor backend configuration' "
1699 "SUP olcDatabaseConfig "
1700 ")",
1701 Cft_Database, monitorcfg },
1702 { NULL, 0, NULL }
1703 };
1704
1705 struct m_s {
1706 char *schema;
1707 slap_mask_t flags;
1708 int offset;
1709 } moc[] = {
1710 { "( 1.3.6.1.4.1.4203.666.3.16.1 "
1711 "NAME 'monitor' "
1712 "DESC 'OpenLDAP system monitoring' "
1713 "SUP top STRUCTURAL "
1714 "MUST cn "
1715 "MAY ( "
1716 "description "
1717 "$ seeAlso "
1718 "$ labeledURI "
1719 "$ monitoredInfo "
1720 "$ managedInfo "
1721 "$ monitorOverlay "
1722 ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1723 offsetof(monitor_info_t, mi_oc_monitor) },
1724 { "( 1.3.6.1.4.1.4203.666.3.16.2 "
1725 "NAME 'monitorServer' "
1726 "DESC 'Server monitoring root entry' "
1727 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1728 offsetof(monitor_info_t, mi_oc_monitorServer) },
1729 { "( 1.3.6.1.4.1.4203.666.3.16.3 "
1730 "NAME 'monitorContainer' "
1731 "DESC 'monitor container class' "
1732 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1733 offsetof(monitor_info_t, mi_oc_monitorContainer) },
1734 { "( 1.3.6.1.4.1.4203.666.3.16.4 "
1735 "NAME 'monitorCounterObject' "
1736 "DESC 'monitor counter class' "
1737 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1738 offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
1739 { "( 1.3.6.1.4.1.4203.666.3.16.5 "
1740 "NAME 'monitorOperation' "
1741 "DESC 'monitor operation class' "
1742 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1743 offsetof(monitor_info_t, mi_oc_monitorOperation) },
1744 { "( 1.3.6.1.4.1.4203.666.3.16.6 "
1745 "NAME 'monitorConnection' "
1746 "DESC 'monitor connection class' "
1747 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1748 offsetof(monitor_info_t, mi_oc_monitorConnection) },
1749 { "( 1.3.6.1.4.1.4203.666.3.16.7 "
1750 "NAME 'managedObject' "
1751 "DESC 'monitor managed entity class' "
1752 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1753 offsetof(monitor_info_t, mi_oc_managedObject) },
1754 { "( 1.3.6.1.4.1.4203.666.3.16.8 "
1755 "NAME 'monitoredObject' "
1756 "DESC 'monitor monitored entity class' "
1757 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1758 offsetof(monitor_info_t, mi_oc_monitoredObject) },
1759 { NULL, 0, -1 }
1760 }, mat[] = {
1761 { "( 1.3.6.1.4.1.4203.666.1.55.1 "
1762 "NAME 'monitoredInfo' "
1763 "DESC 'monitored info' "
1764 /* "SUP name " */
1765 "EQUALITY caseIgnoreMatch "
1766 "SUBSTR caseIgnoreSubstringsMatch "
1767 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
1768 "NO-USER-MODIFICATION "
1769 "USAGE dSAOperation )", SLAP_AT_HIDE,
1770 offsetof(monitor_info_t, mi_ad_monitoredInfo) },
1771 { "( 1.3.6.1.4.1.4203.666.1.55.2 "
1772 "NAME 'managedInfo' "
1773 "DESC 'monitor managed info' "
1774 "SUP name )", SLAP_AT_HIDE,
1775 offsetof(monitor_info_t, mi_ad_managedInfo) },
1776 { "( 1.3.6.1.4.1.4203.666.1.55.3 "
1777 "NAME 'monitorCounter' "
1778 "DESC 'monitor counter' "
1779 "EQUALITY integerMatch "
1780 "ORDERING integerOrderingMatch "
1781 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
1782 "NO-USER-MODIFICATION "
1783 "USAGE dSAOperation )", SLAP_AT_HIDE,
1784 offsetof(monitor_info_t, mi_ad_monitorCounter) },
1785 { "( 1.3.6.1.4.1.4203.666.1.55.4 "
1786 "NAME 'monitorOpCompleted' "
1787 "DESC 'monitor completed operations' "
1788 "SUP monitorCounter "
1789 "NO-USER-MODIFICATION "
1790 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1791 offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
1792 { "( 1.3.6.1.4.1.4203.666.1.55.5 "
1793 "NAME 'monitorOpInitiated' "
1794 "DESC 'monitor initiated operations' "
1795 "SUP monitorCounter "
1796 "NO-USER-MODIFICATION "
1797 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1798 offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
1799 { "( 1.3.6.1.4.1.4203.666.1.55.6 "
1800 "NAME 'monitorConnectionNumber' "
1801 "DESC 'monitor connection number' "
1802 "SUP monitorCounter "
1803 "NO-USER-MODIFICATION "
1804 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1805 offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
1806 { "( 1.3.6.1.4.1.4203.666.1.55.7 "
1807 "NAME 'monitorConnectionAuthzDN' "
1808 "DESC 'monitor connection authorization DN' "
1809 /* "SUP distinguishedName " */
1810 "EQUALITY distinguishedNameMatch "
1811 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1812 "NO-USER-MODIFICATION "
1813 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1814 offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
1815 { "( 1.3.6.1.4.1.4203.666.1.55.8 "
1816 "NAME 'monitorConnectionLocalAddress' "
1817 "DESC 'monitor connection local address' "
1818 "SUP monitoredInfo "
1819 "NO-USER-MODIFICATION "
1820 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1821 offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
1822 { "( 1.3.6.1.4.1.4203.666.1.55.9 "
1823 "NAME 'monitorConnectionPeerAddress' "
1824 "DESC 'monitor connection peer address' "
1825 "SUP monitoredInfo "
1826 "NO-USER-MODIFICATION "
1827 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1828 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
1829 { "( 1.3.6.1.4.1.4203.666.1.55.10 "
1830 "NAME 'monitorTimestamp' "
1831 "DESC 'monitor timestamp' "
1832 "EQUALITY generalizedTimeMatch "
1833 "ORDERING generalizedTimeOrderingMatch "
1834 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
1835 "SINGLE-VALUE "
1836 "NO-USER-MODIFICATION "
1837 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1838 offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
1839 { "( 1.3.6.1.4.1.4203.666.1.55.11 "
1840 "NAME 'monitorOverlay' "
1841 "DESC 'name of overlays defined for a given database' "
1842 "SUP monitoredInfo "
1843 "NO-USER-MODIFICATION "
1844 "USAGE dSAOperation )", SLAP_AT_HIDE,
1845 offsetof(monitor_info_t, mi_ad_monitorOverlay) },
1846 { "( 1.3.6.1.4.1.4203.666.1.55.12 "
1847 "NAME 'readOnly' "
1848 "DESC 'read/write status of a given database' "
1849 "EQUALITY booleanMatch "
1850 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1851 "SINGLE-VALUE "
1852 "USAGE dSAOperation )", SLAP_AT_HIDE,
1853 offsetof(monitor_info_t, mi_ad_readOnly) },
1854 { "( 1.3.6.1.4.1.4203.666.1.55.13 "
1855 "NAME 'restrictedOperation' "
1856 "DESC 'name of restricted operation for a given database' "
1857 "SUP managedInfo )", SLAP_AT_HIDE,
1858 offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
1859 { "( 1.3.6.1.4.1.4203.666.1.55.14 "
1860 "NAME 'monitorConnectionProtocol' "
1861 "DESC 'monitor connection protocol' "
1862 "SUP monitoredInfo "
1863 "NO-USER-MODIFICATION "
1864 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1865 offsetof(monitor_info_t, mi_ad_monitorConnectionProtocol) },
1866 { "( 1.3.6.1.4.1.4203.666.1.55.15 "
1867 "NAME 'monitorConnectionOpsReceived' "
1868 "DESC 'monitor number of operations received by the connection' "
1869 "SUP monitorCounter "
1870 "NO-USER-MODIFICATION "
1871 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1872 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsReceived) },
1873 { "( 1.3.6.1.4.1.4203.666.1.55.16 "
1874 "NAME 'monitorConnectionOpsExecuting' "
1875 "DESC 'monitor number of operations in execution within the connection' "
1876 "SUP monitorCounter "
1877 "NO-USER-MODIFICATION "
1878 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1879 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsExecuting) },
1880 { "( 1.3.6.1.4.1.4203.666.1.55.17 "
1881 "NAME 'monitorConnectionOpsPending' "
1882 "DESC 'monitor number of pending operations within the connection' "
1883 "SUP monitorCounter "
1884 "NO-USER-MODIFICATION "
1885 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1886 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsPending) },
1887 { "( 1.3.6.1.4.1.4203.666.1.55.18 "
1888 "NAME 'monitorConnectionOpsCompleted' "
1889 "DESC 'monitor number of operations completed within the connection' "
1890 "SUP monitorCounter "
1891 "NO-USER-MODIFICATION "
1892 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1893 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsCompleted) },
1894 { "( 1.3.6.1.4.1.4203.666.1.55.19 "
1895 "NAME 'monitorConnectionGet' "
1896 "DESC 'number of times connection_get() was called so far' "
1897 "SUP monitorCounter "
1898 "NO-USER-MODIFICATION "
1899 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1900 offsetof(monitor_info_t, mi_ad_monitorConnectionGet) },
1901 { "( 1.3.6.1.4.1.4203.666.1.55.20 "
1902 "NAME 'monitorConnectionRead' "
1903 "DESC 'number of times connection_read() was called so far' "
1904 "SUP monitorCounter "
1905 "NO-USER-MODIFICATION "
1906 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1907 offsetof(monitor_info_t, mi_ad_monitorConnectionRead) },
1908 { "( 1.3.6.1.4.1.4203.666.1.55.21 "
1909 "NAME 'monitorConnectionWrite' "
1910 "DESC 'number of times connection_write() was called so far' "
1911 "SUP monitorCounter "
1912 "NO-USER-MODIFICATION "
1913 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1914 offsetof(monitor_info_t, mi_ad_monitorConnectionWrite) },
1915 { "( 1.3.6.1.4.1.4203.666.1.55.22 "
1916 "NAME 'monitorConnectionMask' "
1917 "DESC 'monitor connection mask' "
1918 "SUP monitoredInfo "
1919 "NO-USER-MODIFICATION "
1920 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1921 offsetof(monitor_info_t, mi_ad_monitorConnectionMask) },
1922 { "( 1.3.6.1.4.1.4203.666.1.55.23 "
1923 "NAME 'monitorConnectionListener' "
1924 "DESC 'monitor connection listener' "
1925 "SUP monitoredInfo "
1926 "NO-USER-MODIFICATION "
1927 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1928 offsetof(monitor_info_t, mi_ad_monitorConnectionListener) },
1929 { "( 1.3.6.1.4.1.4203.666.1.55.24 "
1930 "NAME 'monitorConnectionPeerDomain' "
1931 "DESC 'monitor connection peer domain' "
1932 "SUP monitoredInfo "
1933 "NO-USER-MODIFICATION "
1934 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1935 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerDomain) },
1936 { "( 1.3.6.1.4.1.4203.666.1.55.25 "
1937 "NAME 'monitorConnectionStartTime' "
1938 "DESC 'monitor connection start time' "
1939 "SUP monitorTimestamp "
1940 "SINGLE-VALUE "
1941 "NO-USER-MODIFICATION "
1942 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1943 offsetof(monitor_info_t, mi_ad_monitorConnectionStartTime) },
1944 { "( 1.3.6.1.4.1.4203.666.1.55.26 "
1945 "NAME 'monitorConnectionActivityTime' "
1946 "DESC 'monitor connection activity time' "
1947 "SUP monitorTimestamp "
1948 "SINGLE-VALUE "
1949 "NO-USER-MODIFICATION "
1950 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1951 offsetof(monitor_info_t, mi_ad_monitorConnectionActivityTime) },
1952 { "( 1.3.6.1.4.1.4203.666.1.55.27 "
1953 "NAME 'monitorIsShadow' "
1954 "DESC 'TRUE if the database is shadow' "
1955 "EQUALITY booleanMatch "
1956 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1957 "SINGLE-VALUE "
1958 "USAGE dSAOperation )", SLAP_AT_HIDE,
1959 offsetof(monitor_info_t, mi_ad_monitorIsShadow) },
1960 { "( 1.3.6.1.4.1.4203.666.1.55.28 "
1961 "NAME 'monitorUpdateRef' "
1962 "DESC 'update referral for shadow databases' "
1963 "SUP monitoredInfo "
1964 "SINGLE-VALUE "
1965 "USAGE dSAOperation )", SLAP_AT_HIDE,
1966 offsetof(monitor_info_t, mi_ad_monitorUpdateRef) },
1967 { "( 1.3.6.1.4.1.4203.666.1.55.29 "
1968 "NAME 'monitorRuntimeConfig' "
1969 "DESC 'TRUE if component allows runtime configuration' "
1970 "EQUALITY booleanMatch "
1971 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1972 "SINGLE-VALUE "
1973 "USAGE dSAOperation )", SLAP_AT_HIDE,
1974 offsetof(monitor_info_t, mi_ad_monitorRuntimeConfig) },
1975 { "( 1.3.6.1.4.1.4203.666.1.55.30 "
1976 "NAME 'monitorSuperiorDN' "
1977 "DESC 'monitor superior DN' "
1978 /* "SUP distinguishedName " */
1979 "EQUALITY distinguishedNameMatch "
1980 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1981 "NO-USER-MODIFICATION "
1982 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1983 offsetof(monitor_info_t, mi_ad_monitorSuperiorDN) },
1984 { NULL, 0, -1 }
1985 };
1986
1987 static struct {
1988 char *name;
1989 char *oid;
1990 } s_oid[] = {
1991 { "olmAttributes", "1.3.6.1.4.1.4203.666.1.55" },
1992 { "olmSubSystemAttributes", "olmAttributes:0" },
1993 { "olmGenericAttributes", "olmSubSystemAttributes:0" },
1994 { "olmDatabaseAttributes", "olmSubSystemAttributes:1" },
1995
1996 /* for example, back-bdb specific attrs
1997 * are in "olmDatabaseAttributes:1"
1998 *
1999 * NOTE: developers, please record here OID assignments
2000 * for other modules */
2001
2002 { "olmObjectClasses", "1.3.6.1.4.1.4203.666.3.16" },
2003 { "olmSubSystemObjectClasses", "olmObjectClasses:0" },
2004 { "olmGenericObjectClasses", "olmSubSystemObjectClasses:0" },
2005 { "olmDatabaseObjectClasses", "olmSubSystemObjectClasses:1" },
2006
2007 /* for example, back-bdb specific objectClasses
2008 * are in "olmDatabaseObjectClasses:1"
2009 *
2010 * NOTE: developers, please record here OID assignments
2011 * for other modules */
2012
2013 { NULL }
2014 };
2015
2016 int i, rc;
2017 monitor_info_t *mi = &monitor_info;
2018 ConfigArgs c;
2019 char *argv[ 3 ];
2020
2021 argv[ 0 ] = "monitor";
2022 c.argv = argv;
2023 c.argc = 3;
2024 c.fname = argv[0];
2025
2026 for ( i = 0; s_oid[ i ].name; i++ ) {
2027 argv[ 1 ] = s_oid[ i ].name;
2028 argv[ 2 ] = s_oid[ i ].oid;
2029
2030 if ( parse_oidm( &c, 0, NULL ) != 0 ) {
2031 Debug( LDAP_DEBUG_ANY,
2032 "monitor_back_initialize: unable to add "
2033 "objectIdentifier \"%s=%s\"\n",
2034 s_oid[ i ].name, s_oid[ i ].oid, 0 );
2035 return 1;
2036 }
2037 }
2038
2039 /* schema integration */
2040 for ( i = 0; mat[ i ].schema; i++ ) {
2041 int code;
2042 AttributeDescription **ad =
2043 ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
2044
2045 *ad = NULL;
2046 code = register_at( mat[ i ].schema, ad, 0 );
2047
2048 if ( code ) {
2049 Debug( LDAP_DEBUG_ANY,
2050 "monitor_back_db_init: register_at failed\n", 0, 0, 0 );
2051 return -1;
2052 }
2053 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
2054 }
2055
2056 for ( i = 0; moc[ i ].schema; i++ ) {
2057 int code;
2058 ObjectClass **Oc =
2059 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]));
2060
2061 code = register_oc( moc[ i ].schema, Oc, 0 );
2062 if ( code ) {
2063 Debug( LDAP_DEBUG_ANY,
2064 "monitor_back_db_init: register_oc failed\n", 0, 0, 0 );
2065 return -1;
2066 }
2067 (*Oc)->soc_flags |= moc[ i ].flags;
2068 }
2069
2070 bi->bi_controls = controls;
2071
2072 bi->bi_init = 0;
2073 bi->bi_open = 0;
2074 bi->bi_config = monitor_back_config;
2075 bi->bi_close = 0;
2076 bi->bi_destroy = 0;
2077
2078 bi->bi_db_init = monitor_back_db_init;
2079 #if 0
2080 bi->bi_db_config = monitor_back_db_config;
2081 #endif
2082 bi->bi_db_open = monitor_back_db_open;
2083 bi->bi_db_close = 0;
2084 bi->bi_db_destroy = monitor_back_db_destroy;
2085
2086 bi->bi_op_bind = monitor_back_bind;
2087 bi->bi_op_unbind = 0;
2088 bi->bi_op_search = monitor_back_search;
2089 bi->bi_op_compare = monitor_back_compare;
2090 bi->bi_op_modify = monitor_back_modify;
2091 bi->bi_op_modrdn = 0;
2092 bi->bi_op_add = 0;
2093 bi->bi_op_delete = 0;
2094 bi->bi_op_abandon = 0;
2095
2096 bi->bi_extended = 0;
2097
2098 bi->bi_entry_release_rw = monitor_back_release;
2099 bi->bi_chk_referrals = 0;
2100 bi->bi_operational = monitor_back_operational;
2101
2102 /*
2103 * hooks for slap tools
2104 */
2105 bi->bi_tool_entry_open = 0;
2106 bi->bi_tool_entry_close = 0;
2107 bi->bi_tool_entry_first = 0;
2108 bi->bi_tool_entry_first_x = 0;
2109 bi->bi_tool_entry_next = 0;
2110 bi->bi_tool_entry_get = 0;
2111 bi->bi_tool_entry_put = 0;
2112 bi->bi_tool_entry_reindex = 0;
2113 bi->bi_tool_sync = 0;
2114 bi->bi_tool_dn2id_get = 0;
2115 bi->bi_tool_entry_modify = 0;
2116
2117 bi->bi_connection_init = 0;
2118 bi->bi_connection_destroy = 0;
2119
2120 bi->bi_extra = (void *)&monitor_extra;
2121
2122 /*
2123 * configuration objectClasses (fake)
2124 */
2125 bi->bi_cf_ocs = monitorocs;
2126
2127 rc = config_register_schema( monitorcfg, monitorocs );
2128 if ( rc ) {
2129 return rc;
2130 }
2131
2132 return 0;
2133 }
2134
2135 int
2136 monitor_back_db_init(
2137 BackendDB *be,
2138 ConfigReply *c)
2139 {
2140 int rc;
2141 struct berval dn = BER_BVC( SLAPD_MONITOR_DN ),
2142 pdn,
2143 ndn;
2144 BackendDB *be2;
2145
2146 monitor_subsys_t *ms;
2147
2148 /*
2149 * database monitor can be defined once only
2150 */
2151 if ( be_monitor != NULL ) {
2152 if (c) {
2153 snprintf(c->msg, sizeof(c->msg),"only one monitor database allowed");
2154 }
2155 return( -1 );
2156 }
2157 be_monitor = be;
2158
2159 /*
2160 * register subsys
2161 */
2162 for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
2163 if ( monitor_back_register_subsys( ms ) ) {
2164 return -1;
2165 }
2166 }
2167
2168 /* indicate system schema supported */
2169 SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
2170
2171 rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn, NULL );
2172 if( rc != LDAP_SUCCESS ) {
2173 Debug( LDAP_DEBUG_ANY,
2174 "unable to normalize/pretty monitor DN \"%s\" (%d)\n",
2175 dn.bv_val, rc, 0 );
2176 return -1;
2177 }
2178
2179 ber_bvarray_add( &be->be_suffix, &pdn );
2180 ber_bvarray_add( &be->be_nsuffix, &ndn );
2181
2182 /* NOTE: only one monitor database is allowed,
2183 * so we use static storage */
2184 ldap_pvt_thread_mutex_init( &monitor_info.mi_cache_mutex );
2185
2186 be->be_private = &monitor_info;
2187
2188 be2 = select_backend( &ndn, 0 );
2189 if ( be2 != be ) {
2190 char *type = be2->bd_info->bi_type;
2191
2192 if ( overlay_is_over( be2 ) ) {
2193 slap_overinfo *oi = (slap_overinfo *)be2->bd_info->bi_private;
2194 type = oi->oi_orig->bi_type;
2195 }
2196
2197 if (c) {
2198 snprintf(c->msg, sizeof(c->msg),
2199 "\"monitor\" database serving namingContext \"%s\" "
2200 "is hidden by \"%s\" database serving namingContext \"%s\".\n",
2201 pdn.bv_val, type, be2->be_nsuffix[ 0 ].bv_val );
2202 }
2203 return -1;
2204 }
2205
2206 return 0;
2207 }
2208
2209 static void
2210 monitor_back_destroy_limbo_entry(
2211 entry_limbo_t *el,
2212 int dispose )
2213 {
2214 if ( el->el_e ) {
2215 entry_free( el->el_e );
2216 }
2217 if ( el->el_a ) {
2218 attrs_free( el->el_a );
2219 }
2220 if ( !BER_BVISNULL( &el->el_nbase ) ) {
2221 ber_memfree( el->el_nbase.bv_val );
2222 }
2223 if ( !BER_BVISNULL( &el->el_filter ) ) {
2224 ber_memfree( el->el_filter.bv_val );
2225 }
2226
2227 /* NOTE: callbacks are not copied; so only free them
2228 * if disposing of */
2229 if ( el->el_cb && dispose != 0 ) {
2230 monitor_callback_t *next;
2231
2232 for ( ; el->el_cb; el->el_cb = next ) {
2233 next = el->el_cb->mc_next;
2234 if ( el->el_cb->mc_dispose ) {
2235 el->el_cb->mc_dispose( &el->el_cb->mc_private );
2236 }
2237 ch_free( el->el_cb );
2238 }
2239 }
2240
2241 ch_free( el );
2242 }
2243
2244 int
2245 monitor_back_db_open(
2246 BackendDB *be,
2247 ConfigReply *cr)
2248 {
2249 monitor_info_t *mi = (monitor_info_t *)be->be_private;
2250 struct monitor_subsys_t **ms;
2251 Entry *e, **ep, *root;
2252 monitor_entry_t *mp;
2253 int i;
2254 struct berval bv, rdn = BER_BVC(SLAPD_MONITOR_DN);
2255 struct tm tms;
2256 static char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
2257 struct berval desc[] = {
2258 BER_BVC("This subtree contains monitoring/managing objects."),
2259 BER_BVC("This object contains information about this server."),
2260 BER_BVC("Most of the information is held in operational"
2261 " attributes, which must be explicitly requested."),
2262 BER_BVNULL };
2263
2264 int retcode = 0;
2265
2266 assert( be_monitor != NULL );
2267 if ( be != be_monitor ) {
2268 be_monitor = be;
2269 }
2270
2271 /*
2272 * Start
2273 */
2274 ldap_pvt_gmtime( &starttime, &tms );
2275 lutil_gentime( tmbuf, sizeof(tmbuf), &tms );
2276
2277 mi->mi_startTime.bv_val = tmbuf;
2278 mi->mi_startTime.bv_len = strlen( tmbuf );
2279
2280 if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
2281 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
2282 BER_BVSTR( &mi->mi_ncreatorsName, SLAPD_ANONYMOUS );
2283 } else {
2284 mi->mi_creatorsName = be->be_rootdn;
2285 mi->mi_ncreatorsName = be->be_rootndn;
2286 }
2287
2288 /*
2289 * creates the "cn=Monitor" entry
2290 */
2291 e = monitor_entry_stub( NULL, NULL, &rdn, mi->mi_oc_monitorServer,
2292 NULL, NULL );
2293
2294 if ( e == NULL) {
2295 Debug( LDAP_DEBUG_ANY,
2296 "unable to create \"%s\" entry\n",
2297 SLAPD_MONITOR_DN, 0, 0 );
2298 return( -1 );
2299 }
2300
2301 attr_merge_normalize( e, slap_schema.si_ad_description, desc, NULL );
2302
2303 bv.bv_val = strchr( (char *) Versionstr, '$' );
2304 if ( bv.bv_val != NULL ) {
2305 char *end;
2306
2307 bv.bv_val++;
2308 for ( ; bv.bv_val[ 0 ] == ' '; bv.bv_val++ )
2309 ;
2310
2311 end = strchr( bv.bv_val, '$' );
2312 if ( end != NULL ) {
2313 end--;
2314
2315 for ( ; end > bv.bv_val && end[ 0 ] == ' '; end-- )
2316 ;
2317
2318 end++;
2319
2320 bv.bv_len = end - bv.bv_val;
2321
2322 } else {
2323 bv.bv_len = strlen( bv.bv_val );
2324 }
2325
2326 if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
2327 &bv, NULL ) ) {
2328 Debug( LDAP_DEBUG_ANY,
2329 "unable to add monitoredInfo to \"%s\" entry\n",
2330 SLAPD_MONITOR_DN, 0, 0 );
2331 return( -1 );
2332 }
2333 }
2334
2335 mp = monitor_entrypriv_create();
2336 if ( mp == NULL ) {
2337 return -1;
2338 }
2339 e->e_private = ( void * )mp;
2340 ep = &mp->mp_children;
2341
2342 if ( monitor_cache_add( mi, e ) ) {
2343 Debug( LDAP_DEBUG_ANY,
2344 "unable to add entry \"%s\" to cache\n",
2345 SLAPD_MONITOR_DN, 0, 0 );
2346 return -1;
2347 }
2348 root = e;
2349
2350 /*
2351 * Create all the subsystem specific entries
2352 */
2353 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2354 int len = strlen( monitor_subsys[ i ]->mss_name );
2355 struct berval dn;
2356 int rc;
2357
2358 dn.bv_len = len + sizeof( "cn=" ) - 1;
2359 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
2360 strcpy( dn.bv_val, "cn=" );
2361 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
2362 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
2363 free( dn.bv_val );
2364 if ( rc != LDAP_SUCCESS ) {
2365 Debug( LDAP_DEBUG_ANY,
2366 "monitor RDN \"%s\" is invalid\n",
2367 dn.bv_val, 0, 0 );
2368 return( -1 );
2369 }
2370
2371 e = monitor_entry_stub( &root->e_name, &root->e_nname,
2372 &monitor_subsys[ i ]->mss_rdn, mi->mi_oc_monitorContainer,
2373 NULL, NULL );
2374
2375 if ( e == NULL) {
2376 Debug( LDAP_DEBUG_ANY,
2377 "unable to create \"%s\" entry\n",
2378 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2379 return( -1 );
2380 }
2381 monitor_subsys[i]->mss_dn = e->e_name;
2382 monitor_subsys[i]->mss_ndn = e->e_nname;
2383
2384 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_desc[ 0 ] ) ) {
2385 attr_merge_normalize( e, slap_schema.si_ad_description,
2386 monitor_subsys[ i ]->mss_desc, NULL );
2387 }
2388
2389 mp = monitor_entrypriv_create();
2390 if ( mp == NULL ) {
2391 return -1;
2392 }
2393 e->e_private = ( void * )mp;
2394 mp->mp_info = monitor_subsys[ i ];
2395 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
2396
2397 if ( monitor_cache_add( mi, e ) ) {
2398 Debug( LDAP_DEBUG_ANY,
2399 "unable to add entry \"%s\" to cache\n",
2400 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2401 return -1;
2402 }
2403
2404 *ep = e;
2405 ep = &mp->mp_next;
2406 }
2407
2408 assert( be != NULL );
2409
2410 be->be_private = mi;
2411
2412 /*
2413 * opens the monitor backend subsystems
2414 */
2415 for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
2416 if ( ms[ 0 ]->mss_open && ms[ 0 ]->mss_open( be, ms[ 0 ] ) ) {
2417 return( -1 );
2418 }
2419 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
2420 }
2421
2422 monitor_subsys_opened = 1;
2423
2424 if ( mi->mi_entry_limbo ) {
2425 entry_limbo_t *el = mi->mi_entry_limbo;
2426
2427 for ( ; el; ) {
2428 entry_limbo_t *tmp;
2429 int rc;
2430
2431 switch ( el->el_type ) {
2432 case LIMBO_ENTRY:
2433 rc = monitor_back_register_entry(
2434 el->el_e,
2435 el->el_cb,
2436 el->el_mss,
2437 el->el_flags );
2438 break;
2439
2440 case LIMBO_ENTRY_PARENT:
2441 rc = monitor_back_register_entry_parent(
2442 el->el_e,
2443 el->el_cb,
2444 el->el_mss,
2445 el->el_flags,
2446 &el->el_nbase,
2447 el->el_scope,
2448 &el->el_filter );
2449 break;
2450
2451
2452 case LIMBO_ATTRS:
2453 rc = monitor_back_register_entry_attrs(
2454 el->el_ndn,
2455 el->el_a,
2456 el->el_cb,
2457 &el->el_nbase,
2458 el->el_scope,
2459 &el->el_filter );
2460 break;
2461
2462 case LIMBO_CB:
2463 rc = monitor_back_register_entry_callback(
2464 el->el_ndn,
2465 el->el_cb,
2466 &el->el_nbase,
2467 el->el_scope,
2468 &el->el_filter );
2469 break;
2470
2471 case LIMBO_BACKEND:
2472 rc = monitor_back_register_backend( el->el_bi );
2473 break;
2474
2475 case LIMBO_DATABASE:
2476 rc = monitor_back_register_database( el->el_be, el->el_ndn );
2477 break;
2478
2479 case LIMBO_OVERLAY_INFO:
2480 rc = monitor_back_register_overlay_info( el->el_on );
2481 break;
2482
2483 case LIMBO_OVERLAY:
2484 rc = monitor_back_register_overlay( el->el_be, el->el_on, el->el_ndn );
2485 break;
2486
2487 case LIMBO_SUBSYS:
2488 rc = monitor_back_register_subsys( el->el_mss );
2489 break;
2490
2491 default:
2492 assert( 0 );
2493 }
2494
2495 tmp = el;
2496 el = el->el_next;
2497 monitor_back_destroy_limbo_entry( tmp, rc );
2498
2499 if ( rc != 0 ) {
2500 /* try all, but report error at end */
2501 retcode = 1;
2502 }
2503 }
2504
2505 mi->mi_entry_limbo = NULL;
2506 }
2507
2508 return retcode;
2509 }
2510
2511 int
2512 monitor_back_config(
2513 BackendInfo *bi,
2514 const char *fname,
2515 int lineno,
2516 int argc,
2517 char **argv )
2518 {
2519 /*
2520 * eventually, will hold backend specific configuration parameters
2521 */
2522 return SLAP_CONF_UNKNOWN;
2523 }
2524
2525 #if 0
2526 int
2527 monitor_back_db_config(
2528 Backend *be,
2529 const char *fname,
2530 int lineno,
2531 int argc,
2532 char **argv )
2533 {
2534 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2535
2536 /*
2537 * eventually, will hold database specific configuration parameters
2538 */
2539 return SLAP_CONF_UNKNOWN;
2540 }
2541 #endif
2542
2543 int
2544 monitor_back_db_destroy(
2545 BackendDB *be,
2546 ConfigReply *cr)
2547 {
2548 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2549
2550 if ( mi == NULL ) {
2551 return -1;
2552 }
2553
2554 /*
2555 * FIXME: destroys all the data
2556 */
2557 /* NOTE: mi points to static storage; don't free it */
2558
2559 (void)monitor_cache_destroy( mi );
2560
2561 if ( monitor_subsys ) {
2562 int i;
2563
2564 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2565 if ( monitor_subsys[ i ]->mss_destroy ) {
2566 monitor_subsys[ i ]->mss_destroy( be, monitor_subsys[ i ] );
2567 }
2568
2569 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_rdn ) ) {
2570 ch_free( monitor_subsys[ i ]->mss_rdn.bv_val );
2571 }
2572 }
2573
2574 ch_free( monitor_subsys );
2575 }
2576
2577 if ( mi->mi_entry_limbo ) {
2578 entry_limbo_t *el = mi->mi_entry_limbo;
2579
2580 for ( ; el; ) {
2581 entry_limbo_t *tmp = el;
2582 el = el->el_next;
2583 monitor_back_destroy_limbo_entry( tmp, 1 );
2584 }
2585 }
2586
2587 ldap_pvt_thread_mutex_destroy( &monitor_info.mi_cache_mutex );
2588
2589 be->be_private = NULL;
2590
2591 return 0;
2592 }
2593
2594 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
2595
2596 /* conditionally define the init_module() function */
2597 SLAP_BACKEND_INIT_MODULE( monitor )
2598
2599 #endif /* SLAPD_MONITOR == SLAPD_MOD_DYNAMIC */
2600
2601