1 /* delete.c - bdb backend delete routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
26 bdb_delete( Operation *op, SlapReply *rs )
28 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
29 Entry *matched = NULL;
30 struct berval pdn = {0, NULL};
33 EntryInfo *ei = NULL, *eip = NULL;
34 int manageDSAit = get_manageDSAit( op );
35 AttributeDescription *children = slap_schema.si_ad_children;
36 AttributeDescription *entry = slap_schema.si_ad_entry;
37 DB_TXN *ltid = NULL, *lt2;
38 struct bdb_op_info opinfo;
51 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
54 int parent_is_glue = 0;
55 int parent_is_leaf = 0;
58 LDAP_LOG ( OPERATION, ARGS, "==> bdb_delete: %s\n", op->o_req_dn.bv_val, 0, 0 );
60 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
61 op->o_req_dn.bv_val, 0, 0 );
65 retry: /* transaction retry */
67 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
71 LDAP_LOG ( OPERATION, DETAIL1,
72 "==> bdb_delete: retrying...\n", 0, 0, 0 );
74 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
77 rs->sr_err = TXN_ABORT( ltid );
80 op->o_do_not_cache = opinfo.boi_acl_cache;
81 if( rs->sr_err != 0 ) {
82 rs->sr_err = LDAP_OTHER;
83 rs->sr_text = "internal error";
88 ldap_pvt_thread_yield();
89 bdb_trans_backoff( ++num_retries );
92 /* begin transaction */
93 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
96 if( rs->sr_err != 0 ) {
98 LDAP_LOG ( OPERATION, ERR,
99 "==> bdb_delete: txn_begin failed: %s (%d)\n",
100 db_strerror(rs->sr_err), rs->sr_err, 0 );
102 Debug( LDAP_DEBUG_TRACE,
103 "bdb_delete: txn_begin failed: %s (%d)\n",
104 db_strerror(rs->sr_err), rs->sr_err, 0 );
106 rs->sr_err = LDAP_OTHER;
107 rs->sr_text = "internal error";
111 locker = TXN_ID ( ltid );
113 opinfo.boi_bdb = op->o_bd;
114 opinfo.boi_txn = ltid;
115 opinfo.boi_locker = locker;
117 opinfo.boi_acl_cache = op->o_do_not_cache;
118 op->o_private = &opinfo;
120 if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
121 dnParent( &op->o_req_ndn, &pdn );
125 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
128 switch( rs->sr_err ) {
132 case DB_LOCK_DEADLOCK:
133 case DB_LOCK_NOTGRANTED:
136 rs->sr_text = "ldap server busy";
139 rs->sr_err = LDAP_OTHER;
140 rs->sr_text = "internal error";
144 if ( rs->sr_err == 0 ) {
146 eip = ei->bei_parent;
151 /* FIXME : dn2entry() should return non-glue entry */
152 if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
154 LDAP_LOG ( OPERATION, ARGS,
155 "<=- bdb_delete: no such object %s\n", op->o_req_dn.bv_val, 0, 0);
157 Debug( LDAP_DEBUG_ARGS,
158 "<=- bdb_delete: no such object %s\n",
159 op->o_req_dn.bv_val, 0, 0);
162 if ( matched != NULL ) {
163 rs->sr_matched = ch_strdup( matched->e_dn );
164 rs->sr_ref = is_entry_referral( matched )
165 ? get_entry_referrals( op, matched )
167 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
171 BerVarray deref = NULL;
172 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
174 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
176 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
177 ber_bvarray_add( &deref, &tmpbv );
180 deref = default_referral;
182 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
183 LDAP_SCOPE_DEFAULT );
186 rs->sr_err = LDAP_REFERRAL;
187 send_ldap_result( op, rs );
189 if ( rs->sr_ref != default_referral ) {
190 ber_bvarray_free( rs->sr_ref );
192 free( (char *)rs->sr_matched );
194 rs->sr_matched = NULL;
200 bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, locker, &plock );
201 if ( eip ) p = eip->bei_e;
203 if ( pdn.bv_len != 0 ) {
204 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
206 LDAP_LOG ( OPERATION, DETAIL1,
207 "<=- bdb_delete: parent does not exist\n", 0, 0, 0 );
209 Debug( LDAP_DEBUG_TRACE,
210 "<=- bdb_delete: parent does not exist\n",
213 rs->sr_err = LDAP_OTHER;
214 rs->sr_text = "could not locate parent of entry";
218 /* check parent for "children" acl */
219 rs->sr_err = access_allowed( op, p,
220 children, NULL, ACL_WRITE, NULL );
222 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
226 switch( opinfo.boi_err ) {
227 case DB_LOCK_DEADLOCK:
228 case DB_LOCK_NOTGRANTED:
233 LDAP_LOG ( OPERATION, DETAIL1,
234 "<=- bdb_delete: no write access to parent\n", 0, 0, 0 );
236 Debug( LDAP_DEBUG_TRACE,
237 "<=- bdb_delete: no write access to parent\n",
240 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
241 rs->sr_text = "no write access to parent";
246 /* no parent, must be root to delete */
247 if( ! be_isroot( op->o_bd, &op->o_ndn ) ) {
248 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
249 || be_isupdate( op->o_bd, &op->o_ndn ) ) {
250 p = (Entry *)&slap_entry_root;
252 /* check parent for "children" acl */
253 rs->sr_err = access_allowed( op, p,
254 children, NULL, ACL_WRITE, NULL );
259 switch( opinfo.boi_err ) {
260 case DB_LOCK_DEADLOCK:
261 case DB_LOCK_NOTGRANTED:
266 LDAP_LOG ( OPERATION, DETAIL1,
267 "<=- bdb_delete: no access to parent\n", 0, 0, 0 );
269 Debug( LDAP_DEBUG_TRACE,
270 "<=- bdb_delete: no access "
271 "to parent\n", 0, 0, 0 );
273 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
274 rs->sr_text = "no write access to parent";
280 LDAP_LOG ( OPERATION, DETAIL1,
281 "<=- bdb_delete: no parent and not root\n", 0, 0, 0 );
283 Debug( LDAP_DEBUG_TRACE,
284 "<=- bdb_delete: no parent "
285 "and not root\n", 0, 0, 0);
287 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
293 if ( get_assert( op ) &&
294 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
296 rs->sr_err = LDAP_ASSERTION_FAILED;
300 rs->sr_err = access_allowed( op, e,
301 entry, NULL, ACL_WRITE, NULL );
304 switch( opinfo.boi_err ) {
305 case DB_LOCK_DEADLOCK:
306 case DB_LOCK_NOTGRANTED:
311 LDAP_LOG ( OPERATION, DETAIL1,
312 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
314 Debug( LDAP_DEBUG_TRACE,
315 "<=- bdb_delete: no write access to entry\n",
318 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
319 rs->sr_text = "no write access to entry";
323 if ( !manageDSAit && is_entry_referral( e ) ) {
324 /* entry is a referral, don't allow delete */
325 rs->sr_ref = get_entry_referrals( op, e );
328 LDAP_LOG ( OPERATION, DETAIL1,
329 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
331 Debug( LDAP_DEBUG_TRACE,
332 "bdb_delete: entry is referral\n", 0, 0, 0 );
335 rs->sr_err = LDAP_REFERRAL;
336 rs->sr_matched = e->e_name.bv_val;
337 send_ldap_result( op, rs );
339 ber_bvarray_free( rs->sr_ref );
341 rs->sr_matched = NULL;
348 if( op->o_preread ) {
349 if( slap_read_controls( op, rs, e,
350 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
353 LDAP_LOG ( OPERATION, DETAIL1,
354 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
356 Debug( LDAP_DEBUG_TRACE,
357 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
361 ctrls[++num_ctrls] = NULL;
364 /* nested transaction */
365 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
366 bdb->bi_db_opflags );
368 if( rs->sr_err != 0 ) {
370 LDAP_LOG ( OPERATION, ERR,
371 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
373 Debug( LDAP_DEBUG_TRACE,
374 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
375 db_strerror(rs->sr_err), rs->sr_err, 0 );
377 rs->sr_err = LDAP_OTHER;
378 rs->sr_text = "internal error";
382 /* Can't do it if we have kids */
383 rs->sr_err = bdb_cache_children( op, lt2, e );
384 if( rs->sr_err != DB_NOTFOUND ) {
385 switch( rs->sr_err ) {
386 case DB_LOCK_DEADLOCK:
387 case DB_LOCK_NOTGRANTED:
391 LDAP_LOG ( OPERATION, DETAIL1,
392 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
394 Debug(LDAP_DEBUG_ARGS,
395 "<=- bdb_delete: non-leaf %s\n",
396 op->o_req_dn.bv_val, 0, 0);
398 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
399 rs->sr_text = "subtree delete not supported";
403 LDAP_LOG ( OPERATION, ERR,
404 "<=- bdb_delete: has_children failed %s (%d)\n",
405 db_strerror(rs->sr_err), rs->sr_err, 0 );
407 Debug(LDAP_DEBUG_ARGS,
408 "<=- bdb_delete: has_children failed: %s (%d)\n",
409 db_strerror(rs->sr_err), rs->sr_err, 0 );
411 rs->sr_err = LDAP_OTHER;
412 rs->sr_text = "internal error";
417 /* delete from dn2id */
418 rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
419 if ( rs->sr_err != 0 ) {
421 LDAP_LOG ( OPERATION, ERR,
422 "<=- bdb_delete: dn2id failed: %s (%d)\n",
423 db_strerror(rs->sr_err), rs->sr_err, 0 );
425 Debug(LDAP_DEBUG_TRACE,
426 "<=- bdb_delete: dn2id failed: %s (%d)\n",
427 db_strerror(rs->sr_err), rs->sr_err, 0 );
429 switch( rs->sr_err ) {
430 case DB_LOCK_DEADLOCK:
431 case DB_LOCK_NOTGRANTED:
434 rs->sr_text = "DN index delete failed";
435 rs->sr_err = LDAP_OTHER;
439 /* delete from id2entry */
440 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
441 if ( rs->sr_err != 0 ) {
443 LDAP_LOG ( OPERATION, ERR,
444 "<=- bdb_delete: id2entry failed: %s (%d)\n",
445 db_strerror(rs->sr_err), rs->sr_err, 0 );
447 Debug(LDAP_DEBUG_TRACE,
448 "<=- bdb_delete: id2entry failed: %s (%d)\n",
449 db_strerror(rs->sr_err), rs->sr_err, 0 );
451 switch( rs->sr_err ) {
452 case DB_LOCK_DEADLOCK:
453 case DB_LOCK_NOTGRANTED:
456 rs->sr_text = "entry delete failed";
457 rs->sr_err = LDAP_OTHER;
461 /* delete indices for old attributes */
462 rs->sr_err = bdb_index_entry_del( op, lt2, e );
463 if ( rs->sr_err != LDAP_SUCCESS ) {
465 LDAP_LOG ( OPERATION, ERR,
466 "<=- bdb_delete: index failed: %s (%d)\n",
467 db_strerror(rs->sr_err), rs->sr_err, 0 );
469 Debug( LDAP_DEBUG_TRACE,
470 "<=- bdb_delete: index failed: %s (%d)\n",
471 db_strerror(rs->sr_err), rs->sr_err, 0 );
473 switch( rs->sr_err ) {
474 case DB_LOCK_DEADLOCK:
475 case DB_LOCK_NOTGRANTED:
478 rs->sr_text = "entry index delete failed";
479 rs->sr_err = LDAP_OTHER;
483 bdb_cache_find_id( op, lt2, eip->bei_id, &eip, 0, locker, &plock );
484 if ( eip ) p = eip->bei_e;
485 if ( pdn.bv_len != 0 ) {
486 parent_is_glue = is_entry_glue(p);
487 rs->sr_err = bdb_cache_children( op, lt2, p );
488 if ( rs->sr_err != DB_NOTFOUND ) {
489 switch( rs->sr_err ) {
490 case DB_LOCK_DEADLOCK:
491 case DB_LOCK_NOTGRANTED:
497 LDAP_LOG ( OPERATION, ERR,
498 "<=- bdb_delete: has_children failed %s (%d)\n",
499 db_strerror(rs->sr_err), rs->sr_err, 0 );
501 Debug(LDAP_DEBUG_ARGS,
502 "<=- bdb_delete: has_children failed: %s (%d)\n",
503 db_strerror(rs->sr_err), rs->sr_err, 0 );
505 rs->sr_err = LDAP_OTHER;
506 rs->sr_text = "internal error";
511 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
515 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
516 rs->sr_err = LDAP_OTHER;
517 rs->sr_text = "txn_commit(2) failed";
521 #if 0 /* Do we want to reclaim deleted IDs? */
522 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
523 if ( e->e_id == bdb->bi_lastid ) {
524 bdb_last_id( op->o_bd, ltid );
526 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
529 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
530 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
531 &ctxcsn_e, &ctxcsn_added, locker );
541 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
542 rs->sr_text = "txn_abort (no-op) failed";
544 rs->sr_err = LDAP_NO_OPERATION;
548 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
551 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
552 if ( ctxcsn_added ) {
553 bdb_cache_add( bdb, suffix_ei,
554 ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
558 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
559 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
560 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
561 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
563 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
566 rs->sr_err = TXN_COMMIT( ltid, 0 );
569 op->o_private = NULL;
571 if( rs->sr_err != 0 ) {
573 LDAP_LOG ( OPERATION, ERR,
574 "bdb_delete: txn_%s failed: %s (%d)\n",
575 op->o_noop ? "abort (no-op)" : "commit",
576 db_strerror(rs->sr_err), rs->sr_err );
578 Debug( LDAP_DEBUG_TRACE,
579 "bdb_delete: txn_%s failed: %s (%d)\n",
580 op->o_noop ? "abort (no-op)" : "commit",
581 db_strerror(rs->sr_err), rs->sr_err );
583 rs->sr_err = LDAP_OTHER;
584 rs->sr_text = "commit failed";
590 LDAP_LOG ( OPERATION, RESULTS,
591 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
592 op->o_noop ? " (no-op)" : "",
595 Debug( LDAP_DEBUG_TRACE,
596 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
597 op->o_noop ? " (no-op)" : "",
600 rs->sr_err = LDAP_SUCCESS;
602 if( num_ctrls ) rs->sr_ctrls = ctrls;
605 send_ldap_result( op, rs );
607 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
608 ldap_pvt_thread_yield();
609 TXN_CHECKPOINT( bdb->bi_dbenv,
610 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
613 if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
614 op->o_delete_glue_parent = 1;
620 if ( rs->sr_err == LDAP_SUCCESS ) {
621 /* Free the EntryInfo and the Entry */
622 bdb_cache_delete_cleanup( &bdb->bi_cache, e );
624 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
630 op->o_private = NULL;