1 /* delete.c - bdb backend delete routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2003 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;
53 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
57 LDAP_LOG ( OPERATION, ARGS, "==> bdb_delete: %s\n", op->o_req_dn.bv_val, 0, 0 );
59 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
60 op->o_req_dn.bv_val, 0, 0 );
64 retry: /* transaction retry */
66 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
70 LDAP_LOG ( OPERATION, DETAIL1,
71 "==> bdb_delete: retrying...\n", 0, 0, 0 );
73 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
76 rs->sr_err = TXN_ABORT( ltid );
79 op->o_do_not_cache = opinfo.boi_acl_cache;
80 if( rs->sr_err != 0 ) {
81 rs->sr_err = LDAP_OTHER;
82 rs->sr_text = "internal error";
85 ldap_pvt_thread_yield();
86 bdb_trans_backoff( ++num_retries );
89 /* begin transaction */
90 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
93 if( rs->sr_err != 0 ) {
95 LDAP_LOG ( OPERATION, ERR,
96 "==> bdb_delete: txn_begin failed: %s (%d)\n",
97 db_strerror(rs->sr_err), rs->sr_err, 0 );
99 Debug( LDAP_DEBUG_TRACE,
100 "bdb_delete: txn_begin failed: %s (%d)\n",
101 db_strerror(rs->sr_err), rs->sr_err, 0 );
103 rs->sr_err = LDAP_OTHER;
104 rs->sr_text = "internal error";
108 locker = TXN_ID ( ltid );
110 opinfo.boi_bdb = op->o_bd;
111 opinfo.boi_txn = ltid;
112 opinfo.boi_locker = locker;
114 opinfo.boi_acl_cache = op->o_do_not_cache;
115 op->o_private = &opinfo;
117 if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
118 dnParent( &op->o_req_ndn, &pdn );
122 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
125 switch( rs->sr_err ) {
129 case DB_LOCK_DEADLOCK:
130 case DB_LOCK_NOTGRANTED:
133 rs->sr_text = "ldap server busy";
136 rs->sr_err = LDAP_OTHER;
137 rs->sr_text = "internal error";
141 if ( rs->sr_err == 0 ) {
143 eip = ei->bei_parent;
144 bdb_cache_find_id( op, ltid, eip->bei_id, &eip,
153 if ( pdn.bv_len != 0 ) {
154 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
156 LDAP_LOG ( OPERATION, DETAIL1,
157 "<=- bdb_delete: parent does not exist\n", 0, 0, 0 );
159 Debug( LDAP_DEBUG_TRACE,
160 "<=- bdb_delete: parent does not exist\n",
163 rs->sr_err = LDAP_OTHER;
164 rs->sr_text = "could not locate parent of entry";
168 /* check parent for "children" acl */
169 rs->sr_err = access_allowed( op, p,
170 children, NULL, ACL_WRITE, NULL );
172 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
176 switch( opinfo.boi_err ) {
177 case DB_LOCK_DEADLOCK:
178 case DB_LOCK_NOTGRANTED:
183 LDAP_LOG ( OPERATION, DETAIL1,
184 "<=- bdb_delete: no write access to parent\n", 0, 0, 0 );
186 Debug( LDAP_DEBUG_TRACE,
187 "<=- bdb_delete: no write access to parent\n",
190 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
191 rs->sr_text = "no write access to parent";
196 /* no parent, must be root to delete */
197 if( ! be_isroot( op->o_bd, &op->o_ndn ) ) {
198 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
199 || be_isupdate( op->o_bd, &op->o_ndn ) ) {
200 p = (Entry *)&slap_entry_root;
202 /* check parent for "children" acl */
203 rs->sr_err = access_allowed( op, p,
204 children, NULL, ACL_WRITE, NULL );
209 switch( opinfo.boi_err ) {
210 case DB_LOCK_DEADLOCK:
211 case DB_LOCK_NOTGRANTED:
216 LDAP_LOG ( OPERATION, DETAIL1,
217 "<=- bdb_delete: no access to parent\n", 0, 0, 0 );
219 Debug( LDAP_DEBUG_TRACE,
220 "<=- bdb_delete: no access "
221 "to parent\n", 0, 0, 0 );
223 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
224 rs->sr_text = "no write access to parent";
230 LDAP_LOG ( OPERATION, DETAIL1,
231 "<=- bdb_delete: no parent and not root\n", 0, 0, 0 );
233 Debug( LDAP_DEBUG_TRACE,
234 "<=- bdb_delete: no parent "
235 "and not root\n", 0, 0, 0);
237 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
243 /* FIXME : dn2entry() should return non-glue entry */
244 if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
246 LDAP_LOG ( OPERATION, ARGS,
247 "<=- bdb_delete: no such object %s\n", op->o_req_dn.bv_val, 0, 0);
249 Debug( LDAP_DEBUG_ARGS,
250 "<=- bdb_delete: no such object %s\n",
251 op->o_req_dn.bv_val, 0, 0);
254 if ( matched != NULL ) {
255 rs->sr_matched = ch_strdup( matched->e_dn );
256 rs->sr_ref = is_entry_referral( matched )
257 ? get_entry_referrals( op, matched )
259 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
263 BerVarray deref = NULL;
264 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
266 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
268 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
269 ber_bvarray_add( &deref, &tmpbv );
272 deref = default_referral;
274 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
275 LDAP_SCOPE_DEFAULT );
278 rs->sr_err = LDAP_REFERRAL;
279 send_ldap_result( op, rs );
281 if ( rs->sr_ref != default_referral ) {
282 ber_bvarray_free( rs->sr_ref );
284 free( (char *)rs->sr_matched );
286 rs->sr_matched = NULL;
292 if ( get_assert( op ) &&
293 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
295 rs->sr_err = LDAP_ASSERTION_FAILED;
299 rs->sr_err = access_allowed( op, e,
300 entry, NULL, ACL_WRITE, NULL );
303 switch( opinfo.boi_err ) {
304 case DB_LOCK_DEADLOCK:
305 case DB_LOCK_NOTGRANTED:
310 LDAP_LOG ( OPERATION, DETAIL1,
311 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
313 Debug( LDAP_DEBUG_TRACE,
314 "<=- bdb_delete: no write access to entry\n",
317 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
318 rs->sr_text = "no write access to entry";
322 if ( !manageDSAit && is_entry_referral( e ) ) {
323 /* entry is a referral, don't allow delete */
324 rs->sr_ref = get_entry_referrals( op, e );
327 LDAP_LOG ( OPERATION, DETAIL1,
328 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
330 Debug( LDAP_DEBUG_TRACE,
331 "bdb_delete: entry is referral\n", 0, 0, 0 );
334 rs->sr_err = LDAP_REFERRAL;
335 rs->sr_matched = e->e_name.bv_val;
336 send_ldap_result( op, rs );
338 ber_bvarray_free( rs->sr_ref );
340 rs->sr_matched = NULL;
347 if( op->o_preread ) {
348 if( slap_read_controls( op, rs, e,
349 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
352 LDAP_LOG ( OPERATION, DETAIL1,
353 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
355 Debug( LDAP_DEBUG_TRACE,
356 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
360 ctrls[++num_ctrls] = NULL;
363 /* nested transaction */
364 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
365 bdb->bi_db_opflags );
367 if( rs->sr_err != 0 ) {
369 LDAP_LOG ( OPERATION, ERR,
370 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
372 Debug( LDAP_DEBUG_TRACE,
373 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
374 db_strerror(rs->sr_err), rs->sr_err, 0 );
376 rs->sr_err = LDAP_OTHER;
377 rs->sr_text = "internal error";
381 /* Can't do it if we have kids */
382 rs->sr_err = bdb_cache_children( op, lt2, e );
383 if( rs->sr_err != DB_NOTFOUND ) {
384 switch( rs->sr_err ) {
385 case DB_LOCK_DEADLOCK:
386 case DB_LOCK_NOTGRANTED:
390 LDAP_LOG ( OPERATION, DETAIL1,
391 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
393 Debug(LDAP_DEBUG_ARGS,
394 "<=- bdb_delete: non-leaf %s\n",
395 op->o_req_dn.bv_val, 0, 0);
397 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
398 rs->sr_text = "subtree delete not supported";
402 LDAP_LOG ( OPERATION, ERR,
403 "<=- bdb_delete: has_children failed %s (%d)\n",
404 db_strerror(rs->sr_err), rs->sr_err, 0 );
406 Debug(LDAP_DEBUG_ARGS,
407 "<=- bdb_delete: has_children failed: %s (%d)\n",
408 db_strerror(rs->sr_err), rs->sr_err, 0 );
410 rs->sr_err = LDAP_OTHER;
411 rs->sr_text = "internal error";
416 /* delete from dn2id */
417 rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
418 if ( rs->sr_err != 0 ) {
420 LDAP_LOG ( OPERATION, ERR,
421 "<=- bdb_delete: dn2id failed: %s (%d)\n",
422 db_strerror(rs->sr_err), rs->sr_err, 0 );
424 Debug(LDAP_DEBUG_TRACE,
425 "<=- bdb_delete: dn2id failed: %s (%d)\n",
426 db_strerror(rs->sr_err), rs->sr_err, 0 );
428 switch( rs->sr_err ) {
429 case DB_LOCK_DEADLOCK:
430 case DB_LOCK_NOTGRANTED:
433 rs->sr_text = "DN index delete failed";
434 rs->sr_err = LDAP_OTHER;
438 /* delete from id2entry */
439 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
440 if ( rs->sr_err != 0 ) {
442 LDAP_LOG ( OPERATION, ERR,
443 "<=- bdb_delete: id2entry failed: %s (%d)\n",
444 db_strerror(rs->sr_err), rs->sr_err, 0 );
446 Debug(LDAP_DEBUG_TRACE,
447 "<=- bdb_delete: id2entry failed: %s (%d)\n",
448 db_strerror(rs->sr_err), rs->sr_err, 0 );
450 switch( rs->sr_err ) {
451 case DB_LOCK_DEADLOCK:
452 case DB_LOCK_NOTGRANTED:
455 rs->sr_text = "entry delete failed";
456 rs->sr_err = LDAP_OTHER;
460 /* delete indices for old attributes */
461 rs->sr_err = bdb_index_entry_del( op, lt2, e );
462 if ( rs->sr_err != LDAP_SUCCESS ) {
464 LDAP_LOG ( OPERATION, ERR,
465 "<=- bdb_delete: index failed: %s (%d)\n",
466 db_strerror(rs->sr_err), rs->sr_err, 0 );
468 Debug( LDAP_DEBUG_TRACE,
469 "<=- bdb_delete: index failed: %s (%d)\n",
470 db_strerror(rs->sr_err), rs->sr_err, 0 );
472 switch( rs->sr_err ) {
473 case DB_LOCK_DEADLOCK:
474 case DB_LOCK_NOTGRANTED:
477 rs->sr_text = "entry index delete failed";
478 rs->sr_err = LDAP_OTHER;
481 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
482 rs->sr_err = LDAP_OTHER;
483 rs->sr_text = "txn_commit(2) failed";
487 #if 0 /* Do we want to reclaim deleted IDs? */
488 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
489 if ( e->e_id == bdb->bi_lastid ) {
490 bdb_last_id( op->o_bd, ltid );
492 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
495 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
496 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
497 &ctxcsn_e, &ctxcsn_added, locker );
507 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
508 rs->sr_text = "txn_abort (no-op) failed";
511 rs->sr_err = LDAP_SUCCESS;
514 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
517 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
518 if ( ctxcsn_added ) {
519 bdb_cache_add( bdb, suffix_ei,
520 ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
524 if ( rs->sr_err == LDAP_SUCCESS && !noop && !op->o_no_psearch ) {
525 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
526 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
527 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
529 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
532 rs->sr_err = TXN_COMMIT( ltid, 0 );
535 op->o_private = NULL;
537 if( rs->sr_err != 0 ) {
539 LDAP_LOG ( OPERATION, ERR,
540 "bdb_delete: txn_%s failed: %s (%d)\n",
541 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
543 Debug( LDAP_DEBUG_TRACE,
544 "bdb_delete: txn_%s failed: %s (%d)\n",
545 op->o_noop ? "abort (no-op)" : "commit",
546 db_strerror(rs->sr_err), rs->sr_err );
548 rs->sr_err = LDAP_OTHER;
549 rs->sr_text = "commit failed";
555 LDAP_LOG ( OPERATION, RESULTS,
556 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
557 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
559 Debug( LDAP_DEBUG_TRACE,
560 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
561 op->o_noop ? " (no-op)" : "",
564 rs->sr_err = LDAP_SUCCESS;
566 if( num_ctrls ) rs->sr_ctrls = ctrls;
569 send_ldap_result( op, rs );
571 if(rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
572 ldap_pvt_thread_yield();
573 TXN_CHECKPOINT( bdb->bi_dbenv,
574 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
580 if ( rs->sr_err == LDAP_SUCCESS ) {
581 /* Free the EntryInfo and the Entry */
582 bdb_cache_delete_cleanup( &bdb->bi_cache, e );
584 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
590 op->o_private = NULL;
593 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );