init.c revision 1.1.1.3 1 /* $NetBSD: init.c,v 1.1.1.3 2010/12/12 15:23:15 adam Exp $ */
2
3 /* init.c - initialize monitor backend */
4 /* OpenLDAP: pkg/ldap/servers/slapd/back-monitor/init.c,v 1.125.2.14 2010/04/19 16:53:03 quanah Exp */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 2001-2010 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
72
73 /*
74 * subsystem data
75 *
76 * the known subsystems are added to the subsystems
77 * array at backend initialization; other subsystems
78 * may be added by calling monitor_back_register_subsys()
79 * before the database is opened (e.g. by other backends
80 * or by overlays or modules).
81 */
82 static struct monitor_subsys_t known_monitor_subsys[] = {
83 {
84 SLAPD_MONITOR_BACKEND_NAME,
85 BER_BVNULL, BER_BVNULL, BER_BVNULL,
86 { BER_BVC( "This subsystem contains information about available backends." ),
87 BER_BVNULL },
88 MONITOR_F_PERSISTENT_CH,
89 monitor_subsys_backend_init,
90 NULL, /* destroy */
91 NULL, /* update */
92 NULL, /* create */
93 NULL /* modify */
94 }, {
95 SLAPD_MONITOR_CONN_NAME,
96 BER_BVNULL, BER_BVNULL, BER_BVNULL,
97 { BER_BVC( "This subsystem contains information about connections." ),
98 BER_BVNULL },
99 MONITOR_F_VOLATILE_CH,
100 monitor_subsys_conn_init,
101 NULL, /* destroy */
102 NULL, /* update */
103 NULL, /* create */
104 NULL /* modify */
105 }, {
106 SLAPD_MONITOR_DATABASE_NAME,
107 BER_BVNULL, BER_BVNULL, BER_BVNULL,
108 { BER_BVC( "This subsystem contains information about configured databases." ),
109 BER_BVNULL },
110 MONITOR_F_PERSISTENT_CH,
111 monitor_subsys_database_init,
112 NULL, /* destroy */
113 NULL, /* update */
114 NULL, /* create */
115 NULL /* modify */
116 }, {
117 SLAPD_MONITOR_LISTENER_NAME,
118 BER_BVNULL, BER_BVNULL, BER_BVNULL,
119 { BER_BVC( "This subsystem contains information about active listeners." ),
120 BER_BVNULL },
121 MONITOR_F_PERSISTENT_CH,
122 monitor_subsys_listener_init,
123 NULL, /* destroy */
124 NULL, /* update */
125 NULL, /* create */
126 NULL /* modify */
127 }, {
128 SLAPD_MONITOR_LOG_NAME,
129 BER_BVNULL, BER_BVNULL, BER_BVNULL,
130 { BER_BVC( "This subsystem contains information about logging." ),
131 BER_BVC( "Set the attribute \"managedInfo\" to the desired log levels." ),
132 BER_BVNULL },
133 MONITOR_F_NONE,
134 monitor_subsys_log_init,
135 NULL, /* destroy */
136 NULL, /* update */
137 NULL, /* create */
138 NULL, /* modify */
139 }, {
140 SLAPD_MONITOR_OPS_NAME,
141 BER_BVNULL, BER_BVNULL, BER_BVNULL,
142 { BER_BVC( "This subsystem contains information about performed operations." ),
143 BER_BVNULL },
144 MONITOR_F_PERSISTENT_CH,
145 monitor_subsys_ops_init,
146 NULL, /* destroy */
147 NULL, /* update */
148 NULL, /* create */
149 NULL, /* modify */
150 }, {
151 SLAPD_MONITOR_OVERLAY_NAME,
152 BER_BVNULL, BER_BVNULL, BER_BVNULL,
153 { BER_BVC( "This subsystem contains information about available overlays." ),
154 BER_BVNULL },
155 MONITOR_F_PERSISTENT_CH,
156 monitor_subsys_overlay_init,
157 NULL, /* destroy */
158 NULL, /* update */
159 NULL, /* create */
160 NULL, /* modify */
161 }, {
162 SLAPD_MONITOR_SASL_NAME,
163 BER_BVNULL, BER_BVNULL, BER_BVNULL,
164 { BER_BVC( "This subsystem contains information about SASL." ),
165 BER_BVNULL },
166 MONITOR_F_NONE,
167 NULL, /* init */
168 NULL, /* destroy */
169 NULL, /* update */
170 NULL, /* create */
171 NULL /* modify */
172 }, {
173 SLAPD_MONITOR_SENT_NAME,
174 BER_BVNULL, BER_BVNULL, BER_BVNULL,
175 { BER_BVC( "This subsystem contains statistics." ),
176 BER_BVNULL },
177 MONITOR_F_PERSISTENT_CH,
178 monitor_subsys_sent_init,
179 NULL, /* destroy */
180 NULL, /* update */
181 NULL, /* create */
182 NULL, /* modify */
183 }, {
184 SLAPD_MONITOR_THREAD_NAME,
185 BER_BVNULL, BER_BVNULL, BER_BVNULL,
186 { BER_BVC( "This subsystem contains information about threads." ),
187 BER_BVNULL },
188 MONITOR_F_PERSISTENT_CH,
189 monitor_subsys_thread_init,
190 NULL, /* destroy */
191 NULL, /* update */
192 NULL, /* create */
193 NULL /* modify */
194 }, {
195 SLAPD_MONITOR_TIME_NAME,
196 BER_BVNULL, BER_BVNULL, BER_BVNULL,
197 { BER_BVC( "This subsystem contains information about time." ),
198 BER_BVNULL },
199 MONITOR_F_PERSISTENT_CH,
200 monitor_subsys_time_init,
201 NULL, /* destroy */
202 NULL, /* update */
203 NULL, /* create */
204 NULL, /* modify */
205 }, {
206 SLAPD_MONITOR_TLS_NAME,
207 BER_BVNULL, BER_BVNULL, BER_BVNULL,
208 { BER_BVC( "This subsystem contains information about TLS." ),
209 BER_BVNULL },
210 MONITOR_F_NONE,
211 NULL, /* init */
212 NULL, /* destroy */
213 NULL, /* update */
214 NULL, /* create */
215 NULL /* modify */
216 }, {
217 SLAPD_MONITOR_RWW_NAME,
218 BER_BVNULL, BER_BVNULL, BER_BVNULL,
219 { BER_BVC( "This subsystem contains information about read/write waiters." ),
220 BER_BVNULL },
221 MONITOR_F_PERSISTENT_CH,
222 monitor_subsys_rww_init,
223 NULL, /* destroy */
224 NULL, /* update */
225 NULL, /* create */
226 NULL /* modify */
227 }, { NULL }
228 };
229
230 int
231 monitor_subsys_is_opened( void )
232 {
233 return monitor_subsys_opened;
234 }
235
236 int
237 monitor_back_register_subsys(
238 monitor_subsys_t *ms )
239 {
240 int i = 0;
241
242 if ( monitor_subsys ) {
243 for ( ; monitor_subsys[ i ] != NULL; i++ )
244 /* just count'em */ ;
245 }
246
247 monitor_subsys = ch_realloc( monitor_subsys,
248 ( 2 + i ) * sizeof( monitor_subsys_t * ) );
249
250 if ( monitor_subsys == NULL ) {
251 return -1;
252 }
253
254 monitor_subsys[ i ] = ms;
255 monitor_subsys[ i + 1 ] = NULL;
256
257 /* if a subsystem is registered __AFTER__ subsystem
258 * initialization (depending on the sequence the databases
259 * are listed in slapd.conf), init it */
260 if ( monitor_subsys_is_opened() ) {
261
262 /* FIXME: this should only be possible
263 * if be_monitor is already initialized */
264 assert( be_monitor != NULL );
265
266 if ( ms->mss_open && ( *ms->mss_open )( be_monitor, ms ) ) {
267 return -1;
268 }
269
270 ms->mss_flags |= MONITOR_F_OPENED;
271 }
272
273 return 0;
274 }
275
276 enum {
277 LIMBO_ENTRY,
278 LIMBO_ENTRY_PARENT,
279 LIMBO_ATTRS,
280 LIMBO_CB,
281 LIMBO_BACKEND,
282 LIMBO_DATABASE,
283 LIMBO_OVERLAY_INFO,
284 LIMBO_OVERLAY,
285
286 LIMBO_LAST
287 };
288
289 typedef struct entry_limbo_t {
290 int el_type;
291 BackendInfo *el_bi;
292 BackendDB *el_be;
293 slap_overinst *el_on;
294 Entry *el_e;
295 Attribute *el_a;
296 struct berval *el_ndn;
297 struct berval el_nbase;
298 int el_scope;
299 struct berval el_filter;
300 monitor_callback_t *el_cb;
301 monitor_subsys_t *el_mss;
302 unsigned long el_flags;
303 struct entry_limbo_t *el_next;
304 } entry_limbo_t;
305
306 int
307 monitor_back_is_configured( void )
308 {
309 return be_monitor != NULL;
310 }
311
312 int
313 monitor_back_register_backend(
314 BackendInfo *bi )
315 {
316 return -1;
317 }
318
319 int
320 monitor_back_register_overlay_info(
321 slap_overinst *on )
322 {
323 return -1;
324 }
325
326 int
327 monitor_back_register_backend_limbo(
328 BackendInfo *bi )
329 {
330 return -1;
331 }
332
333 int
334 monitor_back_register_database_limbo(
335 BackendDB *be,
336 struct berval *ndn_out )
337 {
338 entry_limbo_t **elpp, el = { 0 };
339 monitor_info_t *mi;
340
341 if ( be_monitor == NULL ) {
342 Debug( LDAP_DEBUG_ANY,
343 "monitor_back_register_database_limbo: "
344 "monitor database not configured.\n",
345 0, 0, 0 );
346 return -1;
347 }
348
349 mi = ( monitor_info_t * )be_monitor->be_private;
350
351
352 el.el_type = LIMBO_DATABASE;
353
354 el.el_be = be->bd_self;
355 el.el_ndn = ndn_out;
356
357 for ( elpp = &mi->mi_entry_limbo;
358 *elpp;
359 elpp = &(*elpp)->el_next )
360 /* go to last */;
361
362 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
363
364 el.el_next = NULL;
365 **elpp = el;
366
367 return 0;
368 }
369
370 int
371 monitor_back_register_overlay_info_limbo(
372 slap_overinst *on )
373 {
374 return -1;
375 }
376
377 int
378 monitor_back_register_overlay_limbo(
379 BackendDB *be,
380 struct slap_overinst *on,
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_overlay_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_OVERLAY;
398
399 el.el_be = be->bd_self;
400 el.el_on = on;
401 el.el_ndn = ndn_out;
402
403 for ( elpp = &mi->mi_entry_limbo;
404 *elpp;
405 elpp = &(*elpp)->el_next )
406 /* go to last */;
407
408 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
409
410 el.el_next = NULL;
411 **elpp = el;
412
413 return 0;
414 }
415
416 int
417 monitor_back_register_entry(
418 Entry *e,
419 monitor_callback_t *cb,
420 monitor_subsys_t *mss,
421 unsigned long flags )
422 {
423 monitor_info_t *mi;
424
425 if ( be_monitor == NULL ) {
426 Debug( LDAP_DEBUG_ANY,
427 "monitor_back_register_entry(\"%s\"): "
428 "monitor database not configured.\n",
429 e->e_name.bv_val, 0, 0 );
430 return -1;
431 }
432
433 mi = ( monitor_info_t * )be_monitor->be_private;
434
435 assert( mi != NULL );
436 assert( e != NULL );
437 assert( e->e_private == NULL );
438
439 if ( monitor_subsys_is_opened() ) {
440 Entry *e_parent = NULL,
441 *e_new = NULL,
442 **ep = NULL;
443 struct berval pdn = BER_BVNULL;
444 monitor_entry_t *mp = NULL,
445 *mp_parent = NULL;
446 int rc = 0;
447
448 if ( monitor_cache_get( mi, &e->e_nname, &e_parent ) == 0 ) {
449 /* entry exists */
450 Debug( LDAP_DEBUG_ANY,
451 "monitor_back_register_entry(\"%s\"): "
452 "entry exists\n",
453 e->e_name.bv_val, 0, 0 );
454 monitor_cache_release( mi, e_parent );
455 return -1;
456 }
457
458 dnParent( &e->e_nname, &pdn );
459 if ( monitor_cache_get( mi, &pdn, &e_parent ) != 0 ) {
460 /* parent does not exist */
461 Debug( LDAP_DEBUG_ANY,
462 "monitor_back_register_entry(\"%s\"): "
463 "parent \"%s\" not found\n",
464 e->e_name.bv_val, pdn.bv_val, 0 );
465 return -1;
466 }
467
468 assert( e_parent->e_private != NULL );
469 mp_parent = ( monitor_entry_t * )e_parent->e_private;
470
471 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
472 /* entry is volatile; cannot append children */
473 Debug( LDAP_DEBUG_ANY,
474 "monitor_back_register_entry(\"%s\"): "
475 "parent \"%s\" is volatile\n",
476 e->e_name.bv_val, e_parent->e_name.bv_val, 0 );
477 rc = -1;
478 goto done;
479 }
480
481 mp = monitor_entrypriv_create();
482 if ( mp == NULL ) {
483 Debug( LDAP_DEBUG_ANY,
484 "monitor_back_register_entry(\"%s\"): "
485 "monitor_entrypriv_create() failed\n",
486 e->e_name.bv_val, 0, 0 );
487 rc = -1;
488 goto done;
489 }
490
491 e_new = entry_dup( e );
492 if ( e_new == NULL ) {
493 Debug( LDAP_DEBUG_ANY,
494 "monitor_back_register_entry(\"%s\"): "
495 "entry_dup() failed\n",
496 e->e_name.bv_val, 0, 0 );
497 rc = -1;
498 goto done;
499 }
500
501 e_new->e_private = ( void * )mp;
502 if ( mss != NULL ) {
503 mp->mp_info = mss;
504 mp->mp_flags = flags;
505
506 } else {
507 mp->mp_info = mp_parent->mp_info;
508 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
509 }
510 mp->mp_cb = cb;
511
512 ep = &mp_parent->mp_children;
513 for ( ; *ep; ) {
514 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
515 ep = &mp_parent->mp_next;
516 }
517 *ep = e_new;
518
519 if ( monitor_cache_add( mi, e_new ) ) {
520 Debug( LDAP_DEBUG_ANY,
521 "monitor_back_register_entry(\"%s\"): "
522 "unable to add entry\n",
523 e->e_name.bv_val, 0, 0 );
524 rc = -1;
525 goto done;
526 }
527
528 done:;
529 if ( rc ) {
530 if ( mp ) {
531 ch_free( mp );
532 }
533 if ( e_new ) {
534 e_new->e_private = NULL;
535 entry_free( e_new );
536 }
537 }
538
539 if ( e_parent ) {
540 monitor_cache_release( mi, e_parent );
541 }
542
543 } else {
544 entry_limbo_t **elpp, el = { 0 };
545
546 el.el_type = LIMBO_ENTRY;
547
548 el.el_e = entry_dup( e );
549 if ( el.el_e == NULL ) {
550 Debug( LDAP_DEBUG_ANY,
551 "monitor_back_register_entry(\"%s\"): "
552 "entry_dup() failed\n",
553 e->e_name.bv_val, 0, 0 );
554 return -1;
555 }
556
557 el.el_cb = cb;
558 el.el_mss = mss;
559 el.el_flags = flags;
560
561 for ( elpp = &mi->mi_entry_limbo;
562 *elpp;
563 elpp = &(*elpp)->el_next )
564 /* go to last */;
565
566 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
567 if ( *elpp == NULL ) {
568 el.el_e->e_private = NULL;
569 entry_free( el.el_e );
570 return -1;
571 }
572
573 el.el_next = NULL;
574 **elpp = el;
575 }
576
577 return 0;
578 }
579
580 int
581 monitor_back_register_entry_parent(
582 Entry *e,
583 monitor_callback_t *cb,
584 monitor_subsys_t *mss,
585 unsigned long flags,
586 struct berval *nbase,
587 int scope,
588 struct berval *filter )
589 {
590 monitor_info_t *mi;
591 struct berval ndn = BER_BVNULL;
592
593 if ( be_monitor == NULL ) {
594 Debug( LDAP_DEBUG_ANY,
595 "monitor_back_register_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
596 "monitor database not configured.\n",
597 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
598 ldap_pvt_scope2str( scope ),
599 BER_BVISNULL( filter ) ? "" : filter->bv_val );
600 return -1;
601 }
602
603 mi = ( monitor_info_t * )be_monitor->be_private;
604
605 assert( mi != NULL );
606 assert( e != NULL );
607 assert( e->e_private == NULL );
608
609 if ( BER_BVISNULL( filter ) ) {
610 /* need a filter */
611 Debug( LDAP_DEBUG_ANY,
612 "monitor_back_register_entry_parent(\"\"): "
613 "need a valid filter\n",
614 0, 0, 0 );
615 return -1;
616 }
617
618 if ( monitor_subsys_is_opened() ) {
619 Entry *e_parent = NULL,
620 *e_new = NULL,
621 **ep = NULL;
622 struct berval e_name = BER_BVNULL,
623 e_nname = BER_BVNULL;
624 monitor_entry_t *mp = NULL,
625 *mp_parent = NULL;
626 int rc = 0;
627
628 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
629 /* entry does not exist */
630 Debug( LDAP_DEBUG_ANY,
631 "monitor_back_register_entry_parent(\"\"): "
632 "base=\"%s\" scope=%s filter=\"%s\": "
633 "unable to find entry\n",
634 nbase->bv_val ? nbase->bv_val : "\"\"",
635 ldap_pvt_scope2str( scope ),
636 filter->bv_val );
637 return -1;
638 }
639
640 if ( monitor_cache_get( mi, &ndn, &e_parent ) != 0 ) {
641 /* entry does not exist */
642 Debug( LDAP_DEBUG_ANY,
643 "monitor_back_register_entry_parent(\"%s\"): "
644 "parent entry does not exist\n",
645 ndn.bv_val, 0, 0 );
646 rc = -1;
647 goto done;
648 }
649
650 assert( e_parent->e_private != NULL );
651 mp_parent = ( monitor_entry_t * )e_parent->e_private;
652
653 if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
654 /* entry is volatile; cannot append callback */
655 Debug( LDAP_DEBUG_ANY,
656 "monitor_back_register_entry_parent(\"%s\"): "
657 "entry is volatile\n",
658 e_parent->e_name.bv_val, 0, 0 );
659 rc = -1;
660 goto done;
661 }
662
663 build_new_dn( &e_name, &e_parent->e_name, &e->e_name, NULL );
664 build_new_dn( &e_nname, &e_parent->e_nname, &e->e_nname, NULL );
665
666 if ( monitor_cache_get( mi, &e_nname, &e_new ) == 0 ) {
667 /* entry already exists */
668 Debug( LDAP_DEBUG_ANY,
669 "monitor_back_register_entry_parent(\"%s\"): "
670 "entry already exists\n",
671 e_name.bv_val, 0, 0 );
672 monitor_cache_release( mi, e_new );
673 e_new = NULL;
674 rc = -1;
675 goto done;
676 }
677
678 mp = monitor_entrypriv_create();
679 if ( mp == NULL ) {
680 Debug( LDAP_DEBUG_ANY,
681 "monitor_back_register_entry_parent(\"%s\"): "
682 "monitor_entrypriv_create() failed\n",
683 e->e_name.bv_val, 0, 0 );
684 rc = -1;
685 goto done;
686 }
687
688 e_new = entry_dup( e );
689 if ( e_new == NULL ) {
690 Debug( LDAP_DEBUG_ANY,
691 "monitor_back_register_entry(\"%s\"): "
692 "entry_dup() failed\n",
693 e->e_name.bv_val, 0, 0 );
694 rc = -1;
695 goto done;
696 }
697 ch_free( e_new->e_name.bv_val );
698 ch_free( e_new->e_nname.bv_val );
699 e_new->e_name = e_name;
700 e_new->e_nname = e_nname;
701
702 e_new->e_private = ( void * )mp;
703 if ( mss != NULL ) {
704 mp->mp_info = mss;
705 mp->mp_flags = flags;
706
707 } else {
708 mp->mp_info = mp_parent->mp_info;
709 mp->mp_flags = mp_parent->mp_flags | MONITOR_F_SUB;
710 }
711 mp->mp_cb = cb;
712
713 ep = &mp_parent->mp_children;
714 for ( ; *ep; ) {
715 mp_parent = ( monitor_entry_t * )(*ep)->e_private;
716 ep = &mp_parent->mp_next;
717 }
718 *ep = e_new;
719
720 if ( monitor_cache_add( mi, e_new ) ) {
721 Debug( LDAP_DEBUG_ANY,
722 "monitor_back_register_entry(\"%s\"): "
723 "unable to add entry\n",
724 e->e_name.bv_val, 0, 0 );
725 rc = -1;
726 goto done;
727 }
728
729 done:;
730 if ( !BER_BVISNULL( &ndn ) ) {
731 ch_free( ndn.bv_val );
732 }
733
734 if ( rc ) {
735 if ( mp ) {
736 ch_free( mp );
737 }
738 if ( e_new ) {
739 e_new->e_private = NULL;
740 entry_free( e_new );
741 }
742 }
743
744 if ( e_parent ) {
745 monitor_cache_release( mi, e_parent );
746 }
747
748 } else {
749 entry_limbo_t **elpp = NULL, el = { 0 };
750
751 el.el_type = LIMBO_ENTRY_PARENT;
752
753 el.el_e = entry_dup( e );
754 if ( el.el_e == NULL ) {
755 Debug( LDAP_DEBUG_ANY,
756 "monitor_back_register_entry(\"%s\"): "
757 "entry_dup() failed\n",
758 e->e_name.bv_val, 0, 0 );
759 goto done_limbo;
760 }
761
762 if ( !BER_BVISNULL( nbase ) ) {
763 ber_dupbv( &el.el_nbase, nbase );
764 }
765
766 el.el_scope = scope;
767 if ( !BER_BVISNULL( filter ) ) {
768 ber_dupbv( &el.el_filter, filter );
769 }
770
771 el.el_cb = cb;
772 el.el_mss = mss;
773 el.el_flags = flags;
774
775 for ( elpp = &mi->mi_entry_limbo;
776 *elpp;
777 elpp = &(*elpp)->el_next )
778 /* go to last */;
779
780 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
781 if ( *elpp == NULL ) {
782 goto done_limbo;
783 }
784
785 done_limbo:;
786 if ( *elpp != NULL ) {
787 el.el_next = NULL;
788 **elpp = el;
789
790 } else {
791 if ( !BER_BVISNULL( &el.el_filter ) ) {
792 ch_free( el.el_filter.bv_val );
793 }
794 if ( !BER_BVISNULL( &el.el_nbase ) ) {
795 ch_free( el.el_nbase.bv_val );
796 }
797 entry_free( el.el_e );
798 return -1;
799 }
800 }
801
802 return 0;
803 }
804
805 static int
806 monitor_search2ndn_cb( Operation *op, SlapReply *rs )
807 {
808 if ( rs->sr_type == REP_SEARCH ) {
809 struct berval *ndn = op->o_callback->sc_private;
810
811 if ( !BER_BVISNULL( ndn ) ) {
812 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
813 ch_free( ndn->bv_val );
814 BER_BVZERO( ndn );
815 return rs->sr_err;
816 }
817
818 ber_dupbv( ndn, &rs->sr_entry->e_nname );
819 }
820
821 return 0;
822 }
823
824 int
825 monitor_search2ndn(
826 struct berval *nbase,
827 int scope,
828 struct berval *filter,
829 struct berval *ndn )
830 {
831 Connection conn = { 0 };
832 OperationBuffer opbuf;
833 Operation *op;
834 void *thrctx;
835 SlapReply rs = { 0 };
836 slap_callback cb = { NULL, monitor_search2ndn_cb, NULL, NULL };
837 int rc;
838
839 BER_BVZERO( ndn );
840
841 if ( be_monitor == NULL ) {
842 return -1;
843 }
844
845 thrctx = ldap_pvt_thread_pool_context();
846 connection_fake_init2( &conn, &opbuf, thrctx, 0 );
847 op = &opbuf.ob_op;
848
849 op->o_tag = LDAP_REQ_SEARCH;
850
851 /* use global malloc for now */
852 if ( op->o_tmpmemctx ) {
853 op->o_tmpmemctx = NULL;
854 }
855 op->o_tmpmfuncs = &ch_mfuncs;
856
857 op->o_bd = be_monitor;
858 if ( nbase == NULL || BER_BVISNULL( nbase ) ) {
859 ber_dupbv_x( &op->o_req_dn, &op->o_bd->be_suffix[ 0 ],
860 op->o_tmpmemctx );
861 ber_dupbv_x( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ],
862 op->o_tmpmemctx );
863
864 } else {
865 if ( dnPrettyNormal( NULL, nbase, &op->o_req_dn, &op->o_req_ndn,
866 op->o_tmpmemctx ) ) {
867 return -1;
868 }
869 }
870
871 op->o_callback = &cb;
872 cb.sc_private = (void *)ndn;
873
874 op->ors_scope = scope;
875 op->ors_filter = str2filter_x( op, filter->bv_val );
876 if ( op->ors_filter == NULL ) {
877 rc = LDAP_OTHER;
878 goto cleanup;
879 }
880 ber_dupbv_x( &op->ors_filterstr, filter, op->o_tmpmemctx );
881 op->ors_attrs = slap_anlist_no_attrs;
882 op->ors_attrsonly = 0;
883 op->ors_tlimit = SLAP_NO_LIMIT;
884 op->ors_slimit = 1;
885 op->ors_limit = NULL;
886 op->ors_deref = LDAP_DEREF_NEVER;
887
888 op->o_nocaching = 1;
889 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
890
891 op->o_dn = be_monitor->be_rootdn;
892 op->o_ndn = be_monitor->be_rootndn;
893
894 rc = op->o_bd->be_search( op, &rs );
895
896 cleanup:;
897 if ( op->ors_filter != NULL ) {
898 filter_free_x( op, op->ors_filter, 1 );
899 }
900 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
901 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
902 }
903 if ( !BER_BVISNULL( &op->o_req_dn ) ) {
904 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
905 }
906 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
907 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
908 }
909
910 if ( rc != 0 ) {
911 return rc;
912 }
913
914 switch ( rs.sr_err ) {
915 case LDAP_SUCCESS:
916 if ( BER_BVISNULL( ndn ) ) {
917 rc = -1;
918 }
919 break;
920
921 case LDAP_SIZELIMIT_EXCEEDED:
922 default:
923 if ( !BER_BVISNULL( ndn ) ) {
924 ber_memfree( ndn->bv_val );
925 BER_BVZERO( ndn );
926 }
927 rc = -1;
928 break;
929 }
930
931 return rc;
932 }
933
934 int
935 monitor_back_register_entry_attrs(
936 struct berval *ndn_in,
937 Attribute *a,
938 monitor_callback_t *cb,
939 struct berval *nbase,
940 int scope,
941 struct berval *filter )
942 {
943 monitor_info_t *mi;
944 struct berval ndn = BER_BVNULL;
945 char *fname = ( a == NULL ? "callback" : "attrs" );
946
947 if ( be_monitor == NULL ) {
948 char buf[ SLAP_TEXT_BUFLEN ];
949
950 snprintf( buf, sizeof( buf ),
951 "monitor_back_register_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
952 "monitor database not configured.\n",
953 fname,
954 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
955 ldap_pvt_scope2str( scope ),
956 BER_BVISNULL( filter ) ? "" : filter->bv_val );
957 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
958
959 return -1;
960 }
961
962 mi = ( monitor_info_t * )be_monitor->be_private;
963
964 assert( mi != NULL );
965
966 if ( ndn_in != NULL ) {
967 ndn = *ndn_in;
968 }
969
970 if ( a == NULL && cb == NULL ) {
971 /* nothing to do */
972 return -1;
973 }
974
975 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
976 && BER_BVISNULL( filter ) )
977 {
978 /* need a filter */
979 Debug( LDAP_DEBUG_ANY,
980 "monitor_back_register_entry_%s(\"\"): "
981 "need a valid filter\n",
982 fname, 0, 0 );
983 return -1;
984 }
985
986 if ( monitor_subsys_is_opened() ) {
987 Entry *e = NULL;
988 Attribute **atp = NULL;
989 monitor_entry_t *mp = NULL;
990 monitor_callback_t **mcp = NULL;
991 int rc = 0;
992 int freeit = 0;
993
994 if ( BER_BVISNULL( &ndn ) ) {
995 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
996 char buf[ SLAP_TEXT_BUFLEN ];
997
998 snprintf( buf, sizeof( buf ),
999 "monitor_back_register_entry_%s(\"\"): "
1000 "base=\"%s\" scope=%s filter=\"%s\": "
1001 "unable to find entry\n",
1002 fname,
1003 nbase->bv_val ? nbase->bv_val : "\"\"",
1004 ldap_pvt_scope2str( scope ),
1005 filter->bv_val );
1006
1007 /* entry does not exist */
1008 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1009 return -1;
1010 }
1011
1012 freeit = 1;
1013 }
1014
1015 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1016 /* entry does not exist */
1017 Debug( LDAP_DEBUG_ANY,
1018 "monitor_back_register_entry_%s(\"%s\"): "
1019 "entry does not exist\n",
1020 fname, ndn.bv_val, 0 );
1021 rc = -1;
1022 goto done;
1023 }
1024
1025 assert( e->e_private != NULL );
1026 mp = ( monitor_entry_t * )e->e_private;
1027
1028 if ( mp->mp_flags & MONITOR_F_VOLATILE ) {
1029 /* entry is volatile; cannot append callback */
1030 Debug( LDAP_DEBUG_ANY,
1031 "monitor_back_register_entry_%s(\"%s\"): "
1032 "entry is volatile\n",
1033 fname, e->e_name.bv_val, 0 );
1034 rc = -1;
1035 goto done;
1036 }
1037
1038 if ( a ) {
1039 for ( atp = &e->e_attrs; *atp; atp = &(*atp)->a_next )
1040 /* just get to last */ ;
1041
1042 for ( ; a != NULL; a = a->a_next ) {
1043 assert( a->a_desc != NULL );
1044 assert( a->a_vals != NULL );
1045
1046 if ( attr_find( e->e_attrs, a->a_desc ) ) {
1047 attr_merge( e, a->a_desc, a->a_vals,
1048 a->a_nvals == a->a_vals ? NULL : a->a_nvals );
1049
1050 } else {
1051 *atp = attr_dup( a );
1052 if ( *atp == NULL ) {
1053 Debug( LDAP_DEBUG_ANY,
1054 "monitor_back_register_entry_%s(\"%s\"): "
1055 "attr_dup() failed\n",
1056 fname, e->e_name.bv_val, 0 );
1057 rc = -1;
1058 goto done;
1059 }
1060 atp = &(*atp)->a_next;
1061 }
1062 }
1063 }
1064
1065 if ( cb ) {
1066 for ( mcp = &mp->mp_cb; *mcp; mcp = &(*mcp)->mc_next )
1067 /* go to tail */ ;
1068
1069 /* NOTE: we do not clear cb->mc_next, so this function
1070 * can be used to append a list of callbacks */
1071 (*mcp) = cb;
1072 }
1073
1074 done:;
1075 if ( rc ) {
1076 if ( atp && *atp ) {
1077 attrs_free( *atp );
1078 *atp = NULL;
1079 }
1080 }
1081
1082 if ( freeit ) {
1083 ber_memfree( ndn.bv_val );
1084 }
1085
1086 if ( e ) {
1087 monitor_cache_release( mi, e );
1088 }
1089
1090 } else {
1091 entry_limbo_t **elpp, el = { 0 };
1092
1093 el.el_type = LIMBO_ATTRS;
1094 el.el_ndn = ndn_in;
1095 if ( !BER_BVISNULL( nbase ) ) {
1096 ber_dupbv( &el.el_nbase, nbase);
1097 }
1098 el.el_scope = scope;
1099 if ( !BER_BVISNULL( filter ) ) {
1100 ber_dupbv( &el.el_filter, filter );
1101 }
1102
1103 el.el_a = attrs_dup( a );
1104 el.el_cb = cb;
1105
1106 for ( elpp = &mi->mi_entry_limbo;
1107 *elpp;
1108 elpp = &(*elpp)->el_next )
1109 /* go to last */;
1110
1111 *elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
1112 if ( *elpp == NULL ) {
1113 el.el_e->e_private = NULL;
1114 entry_free( el.el_e );
1115 return -1;
1116 }
1117
1118 if ( *elpp != NULL ) {
1119 el.el_next = NULL;
1120 **elpp = el;
1121
1122 } else {
1123 if ( !BER_BVISNULL( &el.el_filter ) ) {
1124 ch_free( el.el_filter.bv_val );
1125 }
1126 if ( el.el_a != NULL ) {
1127 attrs_free( el.el_a );
1128 }
1129 if ( !BER_BVISNULL( &el.el_nbase ) ) {
1130 ch_free( &el.el_nbase.bv_val );
1131 }
1132 return -1;
1133 }
1134 }
1135
1136 return 0;
1137 }
1138
1139 int
1140 monitor_back_register_entry_callback(
1141 struct berval *ndn,
1142 monitor_callback_t *cb,
1143 struct berval *nbase,
1144 int scope,
1145 struct berval *filter )
1146 {
1147 return monitor_back_register_entry_attrs( ndn, NULL, cb,
1148 nbase, scope, filter );
1149 }
1150
1151 /*
1152 * TODO: add corresponding calls to remove installed callbacks, entries
1153 * and so, in case the entity that installed them is removed (e.g. a
1154 * database, via back-config)
1155 */
1156 int
1157 monitor_back_unregister_entry(
1158 struct berval *ndn )
1159 {
1160 monitor_info_t *mi;
1161
1162 if ( be_monitor == NULL ) {
1163 Debug( LDAP_DEBUG_ANY,
1164 "monitor_back_unregister_entry(\"%s\"): "
1165 "monitor database not configured.\n",
1166 ndn->bv_val, 0, 0 );
1167
1168 return -1;
1169 }
1170
1171 /* entry will be regularly freed, and resources released
1172 * according to callbacks */
1173 if ( slapd_shutdown ) {
1174 return 0;
1175 }
1176
1177 mi = ( monitor_info_t * )be_monitor->be_private;
1178
1179 assert( mi != NULL );
1180
1181 if ( monitor_subsys_is_opened() ) {
1182 Entry *e = NULL;
1183 monitor_entry_t *mp = NULL;
1184 monitor_callback_t *cb = NULL;
1185
1186 if ( monitor_cache_remove( mi, ndn, &e ) != 0 ) {
1187 /* entry does not exist */
1188 Debug( LDAP_DEBUG_ANY,
1189 "monitor_back_unregister_entry(\"%s\"): "
1190 "entry removal failed.\n",
1191 ndn->bv_val, 0, 0 );
1192 return -1;
1193 }
1194
1195 mp = (monitor_entry_t *)e->e_private;
1196 assert( mp != NULL );
1197
1198 for ( cb = mp->mp_cb; cb != NULL; ) {
1199 monitor_callback_t *next = cb->mc_next;
1200
1201 if ( cb->mc_free ) {
1202 (void)cb->mc_free( e, &cb->mc_private );
1203 }
1204 ch_free( cb );
1205
1206 cb = next;
1207 }
1208
1209 ch_free( mp );
1210 e->e_private = NULL;
1211 entry_free( e );
1212
1213 } else {
1214 entry_limbo_t **elpp;
1215
1216 for ( elpp = &mi->mi_entry_limbo;
1217 *elpp;
1218 elpp = &(*elpp)->el_next )
1219 {
1220 entry_limbo_t *elp = *elpp;
1221
1222 if ( elp->el_type == LIMBO_ENTRY
1223 && dn_match( ndn, &elp->el_e->e_nname ) )
1224 {
1225 monitor_callback_t *cb, *next;
1226
1227 for ( cb = elp->el_cb; cb; cb = next ) {
1228 /* FIXME: call callbacks? */
1229 next = cb->mc_next;
1230 if ( cb->mc_dispose ) {
1231 cb->mc_dispose( &cb->mc_private );
1232 }
1233 ch_free( cb );
1234 }
1235 assert( elp->el_e != NULL );
1236 elp->el_e->e_private = NULL;
1237 entry_free( elp->el_e );
1238 *elpp = elp->el_next;
1239 ch_free( elp );
1240 elpp = NULL;
1241 break;
1242 }
1243 }
1244
1245 if ( elpp != NULL ) {
1246 /* not found! where did it go? */
1247 return 1;
1248 }
1249 }
1250
1251 return 0;
1252 }
1253
1254 int
1255 monitor_back_unregister_entry_parent(
1256 struct berval *nrdn,
1257 monitor_callback_t *target_cb,
1258 struct berval *nbase,
1259 int scope,
1260 struct berval *filter )
1261 {
1262 monitor_info_t *mi;
1263 struct berval ndn = BER_BVNULL;
1264
1265 if ( be_monitor == NULL ) {
1266 Debug( LDAP_DEBUG_ANY,
1267 "monitor_back_unregister_entry_parent(base=\"%s\" scope=%s filter=\"%s\"): "
1268 "monitor database not configured.\n",
1269 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1270 ldap_pvt_scope2str( scope ),
1271 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1272
1273 return -1;
1274 }
1275
1276 /* entry will be regularly freed, and resources released
1277 * according to callbacks */
1278 if ( slapd_shutdown ) {
1279 return 0;
1280 }
1281
1282 mi = ( monitor_info_t * )be_monitor->be_private;
1283
1284 assert( mi != NULL );
1285
1286 if ( ( nrdn == NULL || BER_BVISNULL( nrdn ) )
1287 && BER_BVISNULL( filter ) )
1288 {
1289 /* need a filter */
1290 Debug( LDAP_DEBUG_ANY,
1291 "monitor_back_unregister_entry_parent(\"\"): "
1292 "need a valid filter\n",
1293 0, 0, 0 );
1294 return -1;
1295 }
1296
1297 if ( monitor_subsys_is_opened() ) {
1298 Entry *e = NULL;
1299 monitor_entry_t *mp = NULL;
1300
1301 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1302 /* entry does not exist */
1303 Debug( LDAP_DEBUG_ANY,
1304 "monitor_back_unregister_entry_parent(\"\"): "
1305 "base=\"%s\" scope=%s filter=\"%s\": "
1306 "unable to find entry\n",
1307 nbase->bv_val ? nbase->bv_val : "\"\"",
1308 ldap_pvt_scope2str( scope ),
1309 filter->bv_val );
1310 return -1;
1311 }
1312
1313 if ( monitor_cache_remove( mi, &ndn, &e ) != 0 ) {
1314 /* entry does not exist */
1315 Debug( LDAP_DEBUG_ANY,
1316 "monitor_back_unregister_entry(\"%s\"): "
1317 "entry removal failed.\n",
1318 ndn.bv_val, 0, 0 );
1319 ber_memfree( ndn.bv_val );
1320 return -1;
1321 }
1322 ber_memfree( ndn.bv_val );
1323
1324 mp = (monitor_entry_t *)e->e_private;
1325 assert( mp != NULL );
1326
1327 if ( target_cb != NULL ) {
1328 monitor_callback_t **cbp;
1329
1330 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1331 if ( *cbp == target_cb ) {
1332 if ( (*cbp)->mc_free ) {
1333 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1334 }
1335 *cbp = (*cbp)->mc_next;
1336 ch_free( target_cb );
1337 break;
1338 }
1339 }
1340 }
1341
1342
1343 ch_free( mp );
1344 e->e_private = NULL;
1345 entry_free( e );
1346
1347 } else {
1348 entry_limbo_t **elpp;
1349
1350 for ( elpp = &mi->mi_entry_limbo;
1351 *elpp;
1352 elpp = &(*elpp)->el_next )
1353 {
1354 entry_limbo_t *elp = *elpp;
1355
1356 if ( elp->el_type == LIMBO_ENTRY_PARENT
1357 && dn_match( nrdn, &elp->el_e->e_nname )
1358 && dn_match( nbase, &elp->el_nbase )
1359 && scope == elp->el_scope
1360 && bvmatch( filter, &elp->el_filter ) )
1361 {
1362 monitor_callback_t *cb, *next;
1363
1364 for ( cb = elp->el_cb; cb; cb = next ) {
1365 /* FIXME: call callbacks? */
1366 next = cb->mc_next;
1367 if ( cb->mc_dispose ) {
1368 cb->mc_dispose( &cb->mc_private );
1369 }
1370 ch_free( cb );
1371 }
1372 assert( elp->el_e != NULL );
1373 elp->el_e->e_private = NULL;
1374 entry_free( elp->el_e );
1375 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1376 ch_free( elp->el_nbase.bv_val );
1377 }
1378 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1379 ch_free( elp->el_filter.bv_val );
1380 }
1381 *elpp = elp->el_next;
1382 ch_free( elp );
1383 elpp = NULL;
1384 break;
1385 }
1386 }
1387
1388 if ( elpp != NULL ) {
1389 /* not found! where did it go? */
1390 return 1;
1391 }
1392 }
1393
1394 return 0;
1395 }
1396
1397 int
1398 monitor_back_unregister_entry_attrs(
1399 struct berval *ndn_in,
1400 Attribute *target_a,
1401 monitor_callback_t *target_cb,
1402 struct berval *nbase,
1403 int scope,
1404 struct berval *filter )
1405 {
1406 monitor_info_t *mi;
1407 struct berval ndn = BER_BVNULL;
1408 char *fname = ( target_a == NULL ? "callback" : "attrs" );
1409
1410 if ( be_monitor == NULL ) {
1411 char buf[ SLAP_TEXT_BUFLEN ];
1412
1413 snprintf( buf, sizeof( buf ),
1414 "monitor_back_unregister_entry_%s(base=\"%s\" scope=%s filter=\"%s\"): "
1415 "monitor database not configured.\n",
1416 fname,
1417 BER_BVISNULL( nbase ) ? "" : nbase->bv_val,
1418 ldap_pvt_scope2str( scope ),
1419 BER_BVISNULL( filter ) ? "" : filter->bv_val );
1420 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1421
1422 return -1;
1423 }
1424
1425 /* entry will be regularly freed, and resources released
1426 * according to callbacks */
1427 if ( slapd_shutdown ) {
1428 return 0;
1429 }
1430
1431 mi = ( monitor_info_t * )be_monitor->be_private;
1432
1433 assert( mi != NULL );
1434
1435 if ( ndn_in != NULL ) {
1436 ndn = *ndn_in;
1437 }
1438
1439 if ( target_a == NULL && target_cb == NULL ) {
1440 /* nothing to do */
1441 return -1;
1442 }
1443
1444 if ( ( ndn_in == NULL || BER_BVISNULL( &ndn ) )
1445 && BER_BVISNULL( filter ) )
1446 {
1447 /* need a filter */
1448 Debug( LDAP_DEBUG_ANY,
1449 "monitor_back_unregister_entry_%s(\"\"): "
1450 "need a valid filter\n",
1451 fname, 0, 0 );
1452 return -1;
1453 }
1454
1455 if ( monitor_subsys_is_opened() ) {
1456 Entry *e = NULL;
1457 monitor_entry_t *mp = NULL;
1458 int freeit = 0;
1459
1460 if ( BER_BVISNULL( &ndn ) ) {
1461 if ( monitor_search2ndn( nbase, scope, filter, &ndn ) ) {
1462 char buf[ SLAP_TEXT_BUFLEN ];
1463
1464 snprintf( buf, sizeof( buf ),
1465 "monitor_back_unregister_entry_%s(\"\"): "
1466 "base=\"%s\" scope=%d filter=\"%s\": "
1467 "unable to find entry\n",
1468 fname,
1469 nbase->bv_val ? nbase->bv_val : "\"\"",
1470 scope, filter->bv_val );
1471
1472 /* entry does not exist */
1473 Debug( LDAP_DEBUG_ANY, "%s\n", buf, 0, 0 );
1474 return -1;
1475 }
1476
1477 freeit = 1;
1478 }
1479
1480 if ( monitor_cache_get( mi, &ndn, &e ) != 0 ) {
1481 /* entry does not exist */
1482 Debug( LDAP_DEBUG_ANY,
1483 "monitor_back_unregister_entry(\"%s\"): "
1484 "entry removal failed.\n",
1485 ndn.bv_val, 0, 0 );
1486 return -1;
1487 }
1488
1489 mp = (monitor_entry_t *)e->e_private;
1490 assert( mp != NULL );
1491
1492 if ( target_cb != NULL ) {
1493 monitor_callback_t **cbp;
1494
1495 for ( cbp = &mp->mp_cb; *cbp != NULL; cbp = &(*cbp)->mc_next ) {
1496 if ( *cbp == target_cb ) {
1497 if ( (*cbp)->mc_free ) {
1498 (void)(*cbp)->mc_free( e, &(*cbp)->mc_private );
1499 }
1500 *cbp = (*cbp)->mc_next;
1501 ch_free( target_cb );
1502 break;
1503 }
1504 }
1505 }
1506
1507 if ( target_a != NULL ) {
1508 Attribute *a;
1509
1510 for ( a = target_a; a != NULL; a = a->a_next ) {
1511 Modification mod = { 0 };
1512 const char *text;
1513 char textbuf[ SLAP_TEXT_BUFLEN ];
1514
1515 mod.sm_op = LDAP_MOD_DELETE;
1516 mod.sm_desc = a->a_desc;
1517 mod.sm_values = a->a_vals;
1518 mod.sm_nvalues = a->a_nvals;
1519
1520 (void)modify_delete_values( e, &mod, 1,
1521 &text, textbuf, sizeof( textbuf ) );
1522 }
1523 }
1524
1525 if ( freeit ) {
1526 ber_memfree( ndn.bv_val );
1527 }
1528
1529 monitor_cache_release( mi, e );
1530
1531 } else {
1532 entry_limbo_t **elpp;
1533
1534 for ( elpp = &mi->mi_entry_limbo;
1535 *elpp;
1536 elpp = &(*elpp)->el_next )
1537 {
1538 entry_limbo_t *elp = *elpp;
1539
1540 if ( elp->el_type == LIMBO_ATTRS
1541 && dn_match( nbase, &elp->el_nbase )
1542 && scope == elp->el_scope
1543 && bvmatch( filter, &elp->el_filter ) )
1544 {
1545 monitor_callback_t *cb, *next;
1546
1547 for ( cb = elp->el_cb; cb; cb = next ) {
1548 /* FIXME: call callbacks? */
1549 next = cb->mc_next;
1550 if ( cb->mc_dispose ) {
1551 cb->mc_dispose( &cb->mc_private );
1552 }
1553 ch_free( cb );
1554 }
1555 assert( elp->el_e == NULL );
1556 if ( elp->el_a != NULL ) {
1557 attrs_free( elp->el_a );
1558 }
1559 if ( !BER_BVISNULL( &elp->el_nbase ) ) {
1560 ch_free( elp->el_nbase.bv_val );
1561 }
1562 if ( !BER_BVISNULL( &elp->el_filter ) ) {
1563 ch_free( elp->el_filter.bv_val );
1564 }
1565 *elpp = elp->el_next;
1566 ch_free( elp );
1567 elpp = NULL;
1568 break;
1569 }
1570 }
1571
1572 if ( elpp != NULL ) {
1573 /* not found! where did it go? */
1574 return 1;
1575 }
1576 }
1577
1578 return 0;
1579 }
1580
1581 int
1582 monitor_back_unregister_entry_callback(
1583 struct berval *ndn,
1584 monitor_callback_t *cb,
1585 struct berval *nbase,
1586 int scope,
1587 struct berval *filter )
1588 {
1589 /* TODO: lookup entry (by ndn, if not NULL, and/or by callback);
1590 * unregister the callback; if a is not null, unregister the
1591 * given attrs. In any case, call cb->cb_free */
1592 return monitor_back_unregister_entry_attrs( ndn,
1593 NULL, cb, nbase, scope, filter );
1594 }
1595
1596 monitor_subsys_t *
1597 monitor_back_get_subsys( const char *name )
1598 {
1599 if ( monitor_subsys != NULL ) {
1600 int i;
1601
1602 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1603 if ( strcasecmp( monitor_subsys[ i ]->mss_name, name ) == 0 ) {
1604 return monitor_subsys[ i ];
1605 }
1606 }
1607 }
1608
1609 return NULL;
1610 }
1611
1612 monitor_subsys_t *
1613 monitor_back_get_subsys_by_dn(
1614 struct berval *ndn,
1615 int sub )
1616 {
1617 if ( monitor_subsys != NULL ) {
1618 int i;
1619
1620 if ( sub ) {
1621 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1622 if ( dnIsSuffix( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1623 return monitor_subsys[ i ];
1624 }
1625 }
1626
1627 } else {
1628 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
1629 if ( dn_match( ndn, &monitor_subsys[ i ]->mss_ndn ) ) {
1630 return monitor_subsys[ i ];
1631 }
1632 }
1633 }
1634 }
1635
1636 return NULL;
1637 }
1638
1639 int
1640 monitor_back_initialize(
1641 BackendInfo *bi )
1642 {
1643 static char *controls[] = {
1644 LDAP_CONTROL_MANAGEDSAIT,
1645 NULL
1646 };
1647
1648 static ConfigTable monitorcfg[] = {
1649 { NULL, NULL, 0, 0, 0, ARG_IGNORED,
1650 NULL, NULL, NULL, NULL }
1651 };
1652
1653 static ConfigOCs monitorocs[] = {
1654 { "( OLcfgDbOc:4.1 "
1655 "NAME 'olcMonitorConfig' "
1656 "DESC 'Monitor backend configuration' "
1657 "SUP olcDatabaseConfig "
1658 ")",
1659 Cft_Database, monitorcfg },
1660 { NULL, 0, NULL }
1661 };
1662
1663 struct m_s {
1664 char *schema;
1665 slap_mask_t flags;
1666 int offset;
1667 } moc[] = {
1668 { "( 1.3.6.1.4.1.4203.666.3.16.1 "
1669 "NAME 'monitor' "
1670 "DESC 'OpenLDAP system monitoring' "
1671 "SUP top STRUCTURAL "
1672 "MUST cn "
1673 "MAY ( "
1674 "description "
1675 "$ seeAlso "
1676 "$ labeledURI "
1677 "$ monitoredInfo "
1678 "$ managedInfo "
1679 "$ monitorOverlay "
1680 ") )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1681 offsetof(monitor_info_t, mi_oc_monitor) },
1682 { "( 1.3.6.1.4.1.4203.666.3.16.2 "
1683 "NAME 'monitorServer' "
1684 "DESC 'Server monitoring root entry' "
1685 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1686 offsetof(monitor_info_t, mi_oc_monitorServer) },
1687 { "( 1.3.6.1.4.1.4203.666.3.16.3 "
1688 "NAME 'monitorContainer' "
1689 "DESC 'monitor container class' "
1690 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1691 offsetof(monitor_info_t, mi_oc_monitorContainer) },
1692 { "( 1.3.6.1.4.1.4203.666.3.16.4 "
1693 "NAME 'monitorCounterObject' "
1694 "DESC 'monitor counter class' "
1695 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1696 offsetof(monitor_info_t, mi_oc_monitorCounterObject) },
1697 { "( 1.3.6.1.4.1.4203.666.3.16.5 "
1698 "NAME 'monitorOperation' "
1699 "DESC 'monitor operation class' "
1700 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1701 offsetof(monitor_info_t, mi_oc_monitorOperation) },
1702 { "( 1.3.6.1.4.1.4203.666.3.16.6 "
1703 "NAME 'monitorConnection' "
1704 "DESC 'monitor connection class' "
1705 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1706 offsetof(monitor_info_t, mi_oc_monitorConnection) },
1707 { "( 1.3.6.1.4.1.4203.666.3.16.7 "
1708 "NAME 'managedObject' "
1709 "DESC 'monitor managed entity class' "
1710 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1711 offsetof(monitor_info_t, mi_oc_managedObject) },
1712 { "( 1.3.6.1.4.1.4203.666.3.16.8 "
1713 "NAME 'monitoredObject' "
1714 "DESC 'monitor monitored entity class' "
1715 "SUP monitor STRUCTURAL )", SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
1716 offsetof(monitor_info_t, mi_oc_monitoredObject) },
1717 { NULL, 0, -1 }
1718 }, mat[] = {
1719 { "( 1.3.6.1.4.1.4203.666.1.55.1 "
1720 "NAME 'monitoredInfo' "
1721 "DESC 'monitored info' "
1722 /* "SUP name " */
1723 "EQUALITY caseIgnoreMatch "
1724 "SUBSTR caseIgnoreSubstringsMatch "
1725 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} "
1726 "NO-USER-MODIFICATION "
1727 "USAGE dSAOperation )", SLAP_AT_HIDE,
1728 offsetof(monitor_info_t, mi_ad_monitoredInfo) },
1729 { "( 1.3.6.1.4.1.4203.666.1.55.2 "
1730 "NAME 'managedInfo' "
1731 "DESC 'monitor managed info' "
1732 "SUP name )", SLAP_AT_HIDE,
1733 offsetof(monitor_info_t, mi_ad_managedInfo) },
1734 { "( 1.3.6.1.4.1.4203.666.1.55.3 "
1735 "NAME 'monitorCounter' "
1736 "DESC 'monitor counter' "
1737 "EQUALITY integerMatch "
1738 "ORDERING integerOrderingMatch "
1739 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
1740 "NO-USER-MODIFICATION "
1741 "USAGE dSAOperation )", SLAP_AT_HIDE,
1742 offsetof(monitor_info_t, mi_ad_monitorCounter) },
1743 { "( 1.3.6.1.4.1.4203.666.1.55.4 "
1744 "NAME 'monitorOpCompleted' "
1745 "DESC 'monitor completed operations' "
1746 "SUP monitorCounter "
1747 "NO-USER-MODIFICATION "
1748 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1749 offsetof(monitor_info_t, mi_ad_monitorOpCompleted) },
1750 { "( 1.3.6.1.4.1.4203.666.1.55.5 "
1751 "NAME 'monitorOpInitiated' "
1752 "DESC 'monitor initiated operations' "
1753 "SUP monitorCounter "
1754 "NO-USER-MODIFICATION "
1755 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1756 offsetof(monitor_info_t, mi_ad_monitorOpInitiated) },
1757 { "( 1.3.6.1.4.1.4203.666.1.55.6 "
1758 "NAME 'monitorConnectionNumber' "
1759 "DESC 'monitor connection number' "
1760 "SUP monitorCounter "
1761 "NO-USER-MODIFICATION "
1762 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1763 offsetof(monitor_info_t, mi_ad_monitorConnectionNumber) },
1764 { "( 1.3.6.1.4.1.4203.666.1.55.7 "
1765 "NAME 'monitorConnectionAuthzDN' "
1766 "DESC 'monitor connection authorization DN' "
1767 /* "SUP distinguishedName " */
1768 "EQUALITY distinguishedNameMatch "
1769 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1770 "NO-USER-MODIFICATION "
1771 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1772 offsetof(monitor_info_t, mi_ad_monitorConnectionAuthzDN) },
1773 { "( 1.3.6.1.4.1.4203.666.1.55.8 "
1774 "NAME 'monitorConnectionLocalAddress' "
1775 "DESC 'monitor connection local address' "
1776 "SUP monitoredInfo "
1777 "NO-USER-MODIFICATION "
1778 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1779 offsetof(monitor_info_t, mi_ad_monitorConnectionLocalAddress) },
1780 { "( 1.3.6.1.4.1.4203.666.1.55.9 "
1781 "NAME 'monitorConnectionPeerAddress' "
1782 "DESC 'monitor connection peer address' "
1783 "SUP monitoredInfo "
1784 "NO-USER-MODIFICATION "
1785 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1786 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerAddress) },
1787 { "( 1.3.6.1.4.1.4203.666.1.55.10 "
1788 "NAME 'monitorTimestamp' "
1789 "DESC 'monitor timestamp' "
1790 "EQUALITY generalizedTimeMatch "
1791 "ORDERING generalizedTimeOrderingMatch "
1792 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
1793 "SINGLE-VALUE "
1794 "NO-USER-MODIFICATION "
1795 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1796 offsetof(monitor_info_t, mi_ad_monitorTimestamp) },
1797 { "( 1.3.6.1.4.1.4203.666.1.55.11 "
1798 "NAME 'monitorOverlay' "
1799 "DESC 'name of overlays defined for a given database' "
1800 "SUP monitoredInfo "
1801 "NO-USER-MODIFICATION "
1802 "USAGE dSAOperation )", SLAP_AT_HIDE,
1803 offsetof(monitor_info_t, mi_ad_monitorOverlay) },
1804 { "( 1.3.6.1.4.1.4203.666.1.55.12 "
1805 "NAME 'readOnly' "
1806 "DESC 'read/write status of a given database' "
1807 "EQUALITY booleanMatch "
1808 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1809 "SINGLE-VALUE "
1810 "USAGE dSAOperation )", SLAP_AT_HIDE,
1811 offsetof(monitor_info_t, mi_ad_readOnly) },
1812 { "( 1.3.6.1.4.1.4203.666.1.55.13 "
1813 "NAME 'restrictedOperation' "
1814 "DESC 'name of restricted operation for a given database' "
1815 "SUP managedInfo )", SLAP_AT_HIDE,
1816 offsetof(monitor_info_t, mi_ad_restrictedOperation ) },
1817 { "( 1.3.6.1.4.1.4203.666.1.55.14 "
1818 "NAME 'monitorConnectionProtocol' "
1819 "DESC 'monitor connection protocol' "
1820 "SUP monitoredInfo "
1821 "NO-USER-MODIFICATION "
1822 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1823 offsetof(monitor_info_t, mi_ad_monitorConnectionProtocol) },
1824 { "( 1.3.6.1.4.1.4203.666.1.55.15 "
1825 "NAME 'monitorConnectionOpsReceived' "
1826 "DESC 'monitor number of operations received by the connection' "
1827 "SUP monitorCounter "
1828 "NO-USER-MODIFICATION "
1829 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1830 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsReceived) },
1831 { "( 1.3.6.1.4.1.4203.666.1.55.16 "
1832 "NAME 'monitorConnectionOpsExecuting' "
1833 "DESC 'monitor number of operations in execution within the connection' "
1834 "SUP monitorCounter "
1835 "NO-USER-MODIFICATION "
1836 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1837 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsExecuting) },
1838 { "( 1.3.6.1.4.1.4203.666.1.55.17 "
1839 "NAME 'monitorConnectionOpsPending' "
1840 "DESC 'monitor number of pending operations within the connection' "
1841 "SUP monitorCounter "
1842 "NO-USER-MODIFICATION "
1843 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1844 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsPending) },
1845 { "( 1.3.6.1.4.1.4203.666.1.55.18 "
1846 "NAME 'monitorConnectionOpsCompleted' "
1847 "DESC 'monitor number of operations completed within the connection' "
1848 "SUP monitorCounter "
1849 "NO-USER-MODIFICATION "
1850 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1851 offsetof(monitor_info_t, mi_ad_monitorConnectionOpsCompleted) },
1852 { "( 1.3.6.1.4.1.4203.666.1.55.19 "
1853 "NAME 'monitorConnectionGet' "
1854 "DESC 'number of times connection_get() was called so far' "
1855 "SUP monitorCounter "
1856 "NO-USER-MODIFICATION "
1857 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1858 offsetof(monitor_info_t, mi_ad_monitorConnectionGet) },
1859 { "( 1.3.6.1.4.1.4203.666.1.55.20 "
1860 "NAME 'monitorConnectionRead' "
1861 "DESC 'number of times connection_read() was called so far' "
1862 "SUP monitorCounter "
1863 "NO-USER-MODIFICATION "
1864 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1865 offsetof(monitor_info_t, mi_ad_monitorConnectionRead) },
1866 { "( 1.3.6.1.4.1.4203.666.1.55.21 "
1867 "NAME 'monitorConnectionWrite' "
1868 "DESC 'number of times connection_write() was called so far' "
1869 "SUP monitorCounter "
1870 "NO-USER-MODIFICATION "
1871 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1872 offsetof(monitor_info_t, mi_ad_monitorConnectionWrite) },
1873 { "( 1.3.6.1.4.1.4203.666.1.55.22 "
1874 "NAME 'monitorConnectionMask' "
1875 "DESC 'monitor connection mask' "
1876 "SUP monitoredInfo "
1877 "NO-USER-MODIFICATION "
1878 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1879 offsetof(monitor_info_t, mi_ad_monitorConnectionMask) },
1880 { "( 1.3.6.1.4.1.4203.666.1.55.23 "
1881 "NAME 'monitorConnectionListener' "
1882 "DESC 'monitor connection listener' "
1883 "SUP monitoredInfo "
1884 "NO-USER-MODIFICATION "
1885 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1886 offsetof(monitor_info_t, mi_ad_monitorConnectionListener) },
1887 { "( 1.3.6.1.4.1.4203.666.1.55.24 "
1888 "NAME 'monitorConnectionPeerDomain' "
1889 "DESC 'monitor connection peer domain' "
1890 "SUP monitoredInfo "
1891 "NO-USER-MODIFICATION "
1892 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1893 offsetof(monitor_info_t, mi_ad_monitorConnectionPeerDomain) },
1894 { "( 1.3.6.1.4.1.4203.666.1.55.25 "
1895 "NAME 'monitorConnectionStartTime' "
1896 "DESC 'monitor connection start time' "
1897 "SUP monitorTimestamp "
1898 "SINGLE-VALUE "
1899 "NO-USER-MODIFICATION "
1900 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1901 offsetof(monitor_info_t, mi_ad_monitorConnectionStartTime) },
1902 { "( 1.3.6.1.4.1.4203.666.1.55.26 "
1903 "NAME 'monitorConnectionActivityTime' "
1904 "DESC 'monitor connection activity time' "
1905 "SUP monitorTimestamp "
1906 "SINGLE-VALUE "
1907 "NO-USER-MODIFICATION "
1908 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1909 offsetof(monitor_info_t, mi_ad_monitorConnectionActivityTime) },
1910 { "( 1.3.6.1.4.1.4203.666.1.55.27 "
1911 "NAME 'monitorIsShadow' "
1912 "DESC 'TRUE if the database is shadow' "
1913 "EQUALITY booleanMatch "
1914 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1915 "SINGLE-VALUE "
1916 "USAGE dSAOperation )", SLAP_AT_HIDE,
1917 offsetof(monitor_info_t, mi_ad_monitorIsShadow) },
1918 { "( 1.3.6.1.4.1.4203.666.1.55.28 "
1919 "NAME 'monitorUpdateRef' "
1920 "DESC 'update referral for shadow databases' "
1921 "SUP monitoredInfo "
1922 "SINGLE-VALUE "
1923 "USAGE dSAOperation )", SLAP_AT_HIDE,
1924 offsetof(monitor_info_t, mi_ad_monitorUpdateRef) },
1925 { "( 1.3.6.1.4.1.4203.666.1.55.29 "
1926 "NAME 'monitorRuntimeConfig' "
1927 "DESC 'TRUE if component allows runtime configuration' "
1928 "EQUALITY booleanMatch "
1929 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
1930 "SINGLE-VALUE "
1931 "USAGE dSAOperation )", SLAP_AT_HIDE,
1932 offsetof(monitor_info_t, mi_ad_monitorRuntimeConfig) },
1933 { "( 1.3.6.1.4.1.4203.666.1.55.30 "
1934 "NAME 'monitorSuperiorDN' "
1935 "DESC 'monitor superior DN' "
1936 /* "SUP distinguishedName " */
1937 "EQUALITY distinguishedNameMatch "
1938 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
1939 "NO-USER-MODIFICATION "
1940 "USAGE dSAOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
1941 offsetof(monitor_info_t, mi_ad_monitorSuperiorDN) },
1942 { NULL, 0, -1 }
1943 };
1944
1945 static struct {
1946 char *name;
1947 char *oid;
1948 } s_oid[] = {
1949 { "olmAttributes", "1.3.6.1.4.1.4203.666.1.55" },
1950 { "olmSubSystemAttributes", "olmAttributes:0" },
1951 { "olmGenericAttributes", "olmSubSystemAttributes:0" },
1952 { "olmDatabaseAttributes", "olmSubSystemAttributes:1" },
1953
1954 /* for example, back-bdb specific attrs
1955 * are in "olmDatabaseAttributes:1"
1956 *
1957 * NOTE: developers, please record here OID assignments
1958 * for other modules */
1959
1960 { "olmObjectClasses", "1.3.6.1.4.1.4203.666.3.16" },
1961 { "olmSubSystemObjectClasses", "olmObjectClasses:0" },
1962 { "olmGenericObjectClasses", "olmSubSystemObjectClasses:0" },
1963 { "olmDatabaseObjectClasses", "olmSubSystemObjectClasses:1" },
1964
1965 /* for example, back-bdb specific objectClasses
1966 * are in "olmDatabaseObjectClasses:1"
1967 *
1968 * NOTE: developers, please record here OID assignments
1969 * for other modules */
1970
1971 { NULL }
1972 };
1973
1974 int i, rc;
1975 monitor_info_t *mi = &monitor_info;
1976 ConfigArgs c;
1977 char *argv[ 3 ];
1978
1979 argv[ 0 ] = "monitor";
1980 c.argv = argv;
1981 c.argc = 3;
1982 c.fname = argv[0];
1983
1984 for ( i = 0; s_oid[ i ].name; i++ ) {
1985 argv[ 1 ] = s_oid[ i ].name;
1986 argv[ 2 ] = s_oid[ i ].oid;
1987
1988 if ( parse_oidm( &c, 0, NULL ) != 0 ) {
1989 Debug( LDAP_DEBUG_ANY,
1990 "monitor_back_initialize: unable to add "
1991 "objectIdentifier \"%s=%s\"\n",
1992 s_oid[ i ].name, s_oid[ i ].oid, 0 );
1993 return 1;
1994 }
1995 }
1996
1997 /* schema integration */
1998 for ( i = 0; mat[ i ].schema; i++ ) {
1999 int code;
2000 AttributeDescription **ad =
2001 ((AttributeDescription **)&(((char *)mi)[ mat[ i ].offset ]));
2002
2003 *ad = NULL;
2004 code = register_at( mat[ i ].schema, ad, 0 );
2005
2006 if ( code ) {
2007 Debug( LDAP_DEBUG_ANY,
2008 "monitor_back_db_init: register_at failed\n", 0, 0, 0 );
2009 return -1;
2010 }
2011 (*ad)->ad_type->sat_flags |= mat[ i ].flags;
2012 }
2013
2014 for ( i = 0; moc[ i ].schema; i++ ) {
2015 int code;
2016 ObjectClass **Oc =
2017 ((ObjectClass **)&(((char *)mi)[ moc[ i ].offset ]));
2018
2019 code = register_oc( moc[ i ].schema, Oc, 0 );
2020 if ( code ) {
2021 Debug( LDAP_DEBUG_ANY,
2022 "monitor_back_db_init: register_oc failed\n", 0, 0, 0 );
2023 return -1;
2024 }
2025 (*Oc)->soc_flags |= moc[ i ].flags;
2026 }
2027
2028 bi->bi_controls = controls;
2029
2030 bi->bi_init = 0;
2031 bi->bi_open = 0;
2032 bi->bi_config = monitor_back_config;
2033 bi->bi_close = 0;
2034 bi->bi_destroy = 0;
2035
2036 bi->bi_db_init = monitor_back_db_init;
2037 #if 0
2038 bi->bi_db_config = monitor_back_db_config;
2039 #endif
2040 bi->bi_db_open = monitor_back_db_open;
2041 bi->bi_db_close = 0;
2042 bi->bi_db_destroy = monitor_back_db_destroy;
2043
2044 bi->bi_op_bind = monitor_back_bind;
2045 bi->bi_op_unbind = 0;
2046 bi->bi_op_search = monitor_back_search;
2047 bi->bi_op_compare = monitor_back_compare;
2048 bi->bi_op_modify = monitor_back_modify;
2049 bi->bi_op_modrdn = 0;
2050 bi->bi_op_add = 0;
2051 bi->bi_op_delete = 0;
2052 bi->bi_op_abandon = 0;
2053
2054 bi->bi_extended = 0;
2055
2056 bi->bi_entry_release_rw = 0;
2057 bi->bi_chk_referrals = 0;
2058 bi->bi_operational = monitor_back_operational;
2059
2060 /*
2061 * hooks for slap tools
2062 */
2063 bi->bi_tool_entry_open = 0;
2064 bi->bi_tool_entry_close = 0;
2065 bi->bi_tool_entry_first = 0;
2066 bi->bi_tool_entry_first_x = 0;
2067 bi->bi_tool_entry_next = 0;
2068 bi->bi_tool_entry_get = 0;
2069 bi->bi_tool_entry_put = 0;
2070 bi->bi_tool_entry_reindex = 0;
2071 bi->bi_tool_sync = 0;
2072 bi->bi_tool_dn2id_get = 0;
2073 bi->bi_tool_entry_modify = 0;
2074
2075 bi->bi_connection_init = 0;
2076 bi->bi_connection_destroy = 0;
2077
2078 bi->bi_extra = (void *)&monitor_extra;
2079
2080 /*
2081 * configuration objectClasses (fake)
2082 */
2083 bi->bi_cf_ocs = monitorocs;
2084
2085 rc = config_register_schema( monitorcfg, monitorocs );
2086 if ( rc ) {
2087 return rc;
2088 }
2089
2090 return 0;
2091 }
2092
2093 int
2094 monitor_back_db_init(
2095 BackendDB *be,
2096 ConfigReply *c)
2097 {
2098 int rc;
2099 struct berval dn = BER_BVC( SLAPD_MONITOR_DN ),
2100 pdn,
2101 ndn;
2102 BackendDB *be2;
2103
2104 monitor_subsys_t *ms;
2105
2106 /*
2107 * database monitor can be defined once only
2108 */
2109 if ( be_monitor != NULL ) {
2110 if (c) {
2111 snprintf(c->msg, sizeof(c->msg),"only one monitor database allowed");
2112 }
2113 return( -1 );
2114 }
2115 be_monitor = be;
2116
2117 /*
2118 * register subsys
2119 */
2120 for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
2121 if ( monitor_back_register_subsys( ms ) ) {
2122 return -1;
2123 }
2124 }
2125
2126 /* indicate system schema supported */
2127 SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
2128
2129 rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn, NULL );
2130 if( rc != LDAP_SUCCESS ) {
2131 Debug( LDAP_DEBUG_ANY,
2132 "unable to normalize/pretty monitor DN \"%s\" (%d)\n",
2133 dn.bv_val, rc, 0 );
2134 return -1;
2135 }
2136
2137 ber_bvarray_add( &be->be_suffix, &pdn );
2138 ber_bvarray_add( &be->be_nsuffix, &ndn );
2139
2140 /* NOTE: only one monitor database is allowed,
2141 * so we use static storage */
2142 ldap_pvt_thread_mutex_init( &monitor_info.mi_cache_mutex );
2143
2144 be->be_private = &monitor_info;
2145
2146 be2 = select_backend( &ndn, 0 );
2147 if ( be2 != be ) {
2148 char *type = be2->bd_info->bi_type;
2149
2150 if ( overlay_is_over( be2 ) ) {
2151 slap_overinfo *oi = (slap_overinfo *)be2->bd_info->bi_private;
2152 type = oi->oi_orig->bi_type;
2153 }
2154
2155 if (c) {
2156 snprintf(c->msg, sizeof(c->msg),
2157 "\"monitor\" database serving namingContext \"%s\" "
2158 "is hidden by \"%s\" database serving namingContext \"%s\".\n",
2159 pdn.bv_val, type, be2->be_nsuffix[ 0 ].bv_val );
2160 }
2161 return -1;
2162 }
2163
2164 return 0;
2165 }
2166
2167 static void
2168 monitor_back_destroy_limbo_entry(
2169 entry_limbo_t *el,
2170 int dispose )
2171 {
2172 if ( el->el_e ) {
2173 entry_free( el->el_e );
2174 }
2175 if ( el->el_a ) {
2176 attrs_free( el->el_a );
2177 }
2178 if ( !BER_BVISNULL( &el->el_nbase ) ) {
2179 ber_memfree( el->el_nbase.bv_val );
2180 }
2181 if ( !BER_BVISNULL( &el->el_filter ) ) {
2182 ber_memfree( el->el_filter.bv_val );
2183 }
2184
2185 /* NOTE: callbacks are not copied; so only free them
2186 * if disposing of */
2187 if ( el->el_cb && dispose != 0 ) {
2188 monitor_callback_t *next;
2189
2190 for ( ; el->el_cb; el->el_cb = next ) {
2191 next = el->el_cb->mc_next;
2192 if ( el->el_cb->mc_dispose ) {
2193 el->el_cb->mc_dispose( &el->el_cb->mc_private );
2194 }
2195 ch_free( el->el_cb );
2196 }
2197 }
2198
2199 ch_free( el );
2200 }
2201
2202 int
2203 monitor_back_db_open(
2204 BackendDB *be,
2205 ConfigReply *cr)
2206 {
2207 monitor_info_t *mi = (monitor_info_t *)be->be_private;
2208 struct monitor_subsys_t **ms;
2209 Entry *e, **ep, *root;
2210 monitor_entry_t *mp;
2211 int i;
2212 struct berval bv, rdn = BER_BVC(SLAPD_MONITOR_DN);
2213 struct tm tms;
2214 static char tmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
2215 struct berval desc[] = {
2216 BER_BVC("This subtree contains monitoring/managing objects."),
2217 BER_BVC("This object contains information about this server."),
2218 BER_BVC("Most of the information is held in operational"
2219 " attributes, which must be explicitly requested."),
2220 BER_BVNULL };
2221
2222 int retcode = 0;
2223
2224 assert( be_monitor != NULL );
2225 if ( be != be_monitor ) {
2226 be_monitor = be;
2227 }
2228
2229 /*
2230 * Start
2231 */
2232 ldap_pvt_gmtime( &starttime, &tms );
2233 lutil_gentime( tmbuf, sizeof(tmbuf), &tms );
2234
2235 mi->mi_startTime.bv_val = tmbuf;
2236 mi->mi_startTime.bv_len = strlen( tmbuf );
2237
2238 if ( BER_BVISEMPTY( &be->be_rootdn ) ) {
2239 BER_BVSTR( &mi->mi_creatorsName, SLAPD_ANONYMOUS );
2240 BER_BVSTR( &mi->mi_ncreatorsName, SLAPD_ANONYMOUS );
2241 } else {
2242 mi->mi_creatorsName = be->be_rootdn;
2243 mi->mi_ncreatorsName = be->be_rootndn;
2244 }
2245
2246 /*
2247 * creates the "cn=Monitor" entry
2248 */
2249 e = monitor_entry_stub( NULL, NULL, &rdn, mi->mi_oc_monitorServer, mi,
2250 NULL, NULL );
2251
2252 if ( e == NULL) {
2253 Debug( LDAP_DEBUG_ANY,
2254 "unable to create \"%s\" entry\n",
2255 SLAPD_MONITOR_DN, 0, 0 );
2256 return( -1 );
2257 }
2258
2259 attr_merge_normalize( e, slap_schema.si_ad_description, desc, NULL );
2260
2261 bv.bv_val = strchr( (char *) Versionstr, '$' );
2262 if ( bv.bv_val != NULL ) {
2263 char *end;
2264
2265 bv.bv_val++;
2266 for ( ; bv.bv_val[ 0 ] == ' '; bv.bv_val++ )
2267 ;
2268
2269 end = strchr( bv.bv_val, '$' );
2270 if ( end != NULL ) {
2271 end--;
2272
2273 for ( ; end > bv.bv_val && end[ 0 ] == ' '; end-- )
2274 ;
2275
2276 end++;
2277
2278 bv.bv_len = end - bv.bv_val;
2279
2280 } else {
2281 bv.bv_len = strlen( bv.bv_val );
2282 }
2283
2284 if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
2285 &bv, NULL ) ) {
2286 Debug( LDAP_DEBUG_ANY,
2287 "unable to add monitoredInfo to \"%s\" entry\n",
2288 SLAPD_MONITOR_DN, 0, 0 );
2289 return( -1 );
2290 }
2291 }
2292
2293 mp = monitor_entrypriv_create();
2294 if ( mp == NULL ) {
2295 return -1;
2296 }
2297 e->e_private = ( void * )mp;
2298 ep = &mp->mp_children;
2299
2300 if ( monitor_cache_add( mi, e ) ) {
2301 Debug( LDAP_DEBUG_ANY,
2302 "unable to add entry \"%s\" to cache\n",
2303 SLAPD_MONITOR_DN, 0, 0 );
2304 return -1;
2305 }
2306 root = e;
2307
2308 /*
2309 * Create all the subsystem specific entries
2310 */
2311 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2312 int len = strlen( monitor_subsys[ i ]->mss_name );
2313 struct berval dn;
2314 int rc;
2315
2316 dn.bv_len = len + sizeof( "cn=" ) - 1;
2317 dn.bv_val = ch_calloc( sizeof( char ), dn.bv_len + 1 );
2318 strcpy( dn.bv_val, "cn=" );
2319 strcat( dn.bv_val, monitor_subsys[ i ]->mss_name );
2320 rc = dnPretty( NULL, &dn, &monitor_subsys[ i ]->mss_rdn, NULL );
2321 free( dn.bv_val );
2322 if ( rc != LDAP_SUCCESS ) {
2323 Debug( LDAP_DEBUG_ANY,
2324 "monitor RDN \"%s\" is invalid\n",
2325 dn.bv_val, 0, 0 );
2326 return( -1 );
2327 }
2328
2329 e = monitor_entry_stub( &root->e_name, &root->e_nname,
2330 &monitor_subsys[ i ]->mss_rdn, mi->mi_oc_monitorContainer, mi,
2331 NULL, NULL );
2332
2333 if ( e == NULL) {
2334 Debug( LDAP_DEBUG_ANY,
2335 "unable to create \"%s\" entry\n",
2336 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2337 return( -1 );
2338 }
2339 monitor_subsys[i]->mss_dn = e->e_name;
2340 monitor_subsys[i]->mss_ndn = e->e_nname;
2341
2342 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_desc[ 0 ] ) ) {
2343 attr_merge_normalize( e, slap_schema.si_ad_description,
2344 monitor_subsys[ i ]->mss_desc, NULL );
2345 }
2346
2347 mp = monitor_entrypriv_create();
2348 if ( mp == NULL ) {
2349 return -1;
2350 }
2351 e->e_private = ( void * )mp;
2352 mp->mp_info = monitor_subsys[ i ];
2353 mp->mp_flags = monitor_subsys[ i ]->mss_flags;
2354
2355 if ( monitor_cache_add( mi, e ) ) {
2356 Debug( LDAP_DEBUG_ANY,
2357 "unable to add entry \"%s\" to cache\n",
2358 monitor_subsys[ i ]->mss_dn.bv_val, 0, 0 );
2359 return -1;
2360 }
2361
2362 *ep = e;
2363 ep = &mp->mp_next;
2364 }
2365
2366 assert( be != NULL );
2367
2368 be->be_private = mi;
2369
2370 /*
2371 * opens the monitor backend subsystems
2372 */
2373 for ( ms = monitor_subsys; ms[ 0 ] != NULL; ms++ ) {
2374 if ( ms[ 0 ]->mss_open && ms[ 0 ]->mss_open( be, ms[ 0 ] ) ) {
2375 return( -1 );
2376 }
2377 ms[ 0 ]->mss_flags |= MONITOR_F_OPENED;
2378 }
2379
2380 monitor_subsys_opened = 1;
2381
2382 if ( mi->mi_entry_limbo ) {
2383 entry_limbo_t *el = mi->mi_entry_limbo;
2384
2385 for ( ; el; ) {
2386 entry_limbo_t *tmp;
2387 int rc;
2388
2389 switch ( el->el_type ) {
2390 case LIMBO_ENTRY:
2391 rc = monitor_back_register_entry(
2392 el->el_e,
2393 el->el_cb,
2394 el->el_mss,
2395 el->el_flags );
2396 break;
2397
2398 case LIMBO_ENTRY_PARENT:
2399 rc = monitor_back_register_entry_parent(
2400 el->el_e,
2401 el->el_cb,
2402 el->el_mss,
2403 el->el_flags,
2404 &el->el_nbase,
2405 el->el_scope,
2406 &el->el_filter );
2407 break;
2408
2409
2410 case LIMBO_ATTRS:
2411 rc = monitor_back_register_entry_attrs(
2412 el->el_ndn,
2413 el->el_a,
2414 el->el_cb,
2415 &el->el_nbase,
2416 el->el_scope,
2417 &el->el_filter );
2418 break;
2419
2420 case LIMBO_CB:
2421 rc = monitor_back_register_entry_callback(
2422 el->el_ndn,
2423 el->el_cb,
2424 &el->el_nbase,
2425 el->el_scope,
2426 &el->el_filter );
2427 break;
2428
2429 case LIMBO_BACKEND:
2430 rc = monitor_back_register_backend( el->el_bi );
2431 break;
2432
2433 case LIMBO_DATABASE:
2434 rc = monitor_back_register_database( el->el_be, el->el_ndn );
2435 break;
2436
2437 case LIMBO_OVERLAY_INFO:
2438 rc = monitor_back_register_overlay_info( el->el_on );
2439 break;
2440
2441 case LIMBO_OVERLAY:
2442 rc = monitor_back_register_overlay( el->el_be, el->el_on, el->el_ndn );
2443 break;
2444
2445 default:
2446 assert( 0 );
2447 }
2448
2449 tmp = el;
2450 el = el->el_next;
2451 monitor_back_destroy_limbo_entry( tmp, rc );
2452
2453 if ( rc != 0 ) {
2454 /* try all, but report error at end */
2455 retcode = 1;
2456 }
2457 }
2458
2459 mi->mi_entry_limbo = NULL;
2460 }
2461
2462 return retcode;
2463 }
2464
2465 int
2466 monitor_back_config(
2467 BackendInfo *bi,
2468 const char *fname,
2469 int lineno,
2470 int argc,
2471 char **argv )
2472 {
2473 /*
2474 * eventually, will hold backend specific configuration parameters
2475 */
2476 return SLAP_CONF_UNKNOWN;
2477 }
2478
2479 #if 0
2480 int
2481 monitor_back_db_config(
2482 Backend *be,
2483 const char *fname,
2484 int lineno,
2485 int argc,
2486 char **argv )
2487 {
2488 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2489
2490 /*
2491 * eventually, will hold database specific configuration parameters
2492 */
2493 return SLAP_CONF_UNKNOWN;
2494 }
2495 #endif
2496
2497 int
2498 monitor_back_db_destroy(
2499 BackendDB *be,
2500 ConfigReply *cr)
2501 {
2502 monitor_info_t *mi = ( monitor_info_t * )be->be_private;
2503
2504 if ( mi == NULL ) {
2505 return -1;
2506 }
2507
2508 /*
2509 * FIXME: destroys all the data
2510 */
2511 /* NOTE: mi points to static storage; don't free it */
2512
2513 (void)monitor_cache_destroy( mi );
2514
2515 if ( monitor_subsys ) {
2516 int i;
2517
2518 for ( i = 0; monitor_subsys[ i ] != NULL; i++ ) {
2519 if ( monitor_subsys[ i ]->mss_destroy ) {
2520 monitor_subsys[ i ]->mss_destroy( be, monitor_subsys[ i ] );
2521 }
2522
2523 if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_rdn ) ) {
2524 ch_free( monitor_subsys[ i ]->mss_rdn.bv_val );
2525 }
2526 }
2527
2528 ch_free( monitor_subsys );
2529 }
2530
2531 if ( mi->mi_entry_limbo ) {
2532 entry_limbo_t *el = mi->mi_entry_limbo;
2533
2534 for ( ; el; ) {
2535 entry_limbo_t *tmp = el;
2536 el = el->el_next;
2537 monitor_back_destroy_limbo_entry( tmp, 1 );
2538 }
2539 }
2540
2541 ldap_pvt_thread_mutex_destroy( &monitor_info.mi_cache_mutex );
2542
2543 be->be_private = NULL;
2544
2545 return 0;
2546 }
2547
2548 #if SLAPD_MONITOR == SLAPD_MOD_DYNAMIC
2549
2550 /* conditionally define the init_module() function */
2551 SLAP_BACKEND_INIT_MODULE( monitor )
2552
2553 #endif /* SLAPD_MONITOR == SLAPD_MOD_DYNAMIC */
2554
2555