1 /* delete.c - bdb backend delete routine */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
17 bdb_delete( Operation *op, SlapReply *rs )
19 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
20 Entry *matched = NULL;
21 struct berval pdn = {0, NULL};
24 EntryInfo *ei = NULL, *eip = NULL;
25 int manageDSAit = get_manageDSAit( op );
26 AttributeDescription *children = slap_schema.si_ad_children;
27 AttributeDescription *entry = slap_schema.si_ad_entry;
28 DB_TXN *ltid = NULL, *lt2;
29 struct bdb_op_info opinfo;
44 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
48 LDAP_LOG ( OPERATION, ARGS, "==> bdb_delete: %s\n", op->o_req_dn.bv_val, 0, 0 );
50 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
51 op->o_req_dn.bv_val, 0, 0 );
55 retry: /* transaction retry */
57 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
61 LDAP_LOG ( OPERATION, DETAIL1,
62 "==> bdb_delete: retrying...\n", 0, 0, 0 );
64 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
67 rs->sr_err = TXN_ABORT( ltid );
70 op->o_do_not_cache = opinfo.boi_acl_cache;
71 if( rs->sr_err != 0 ) {
72 rs->sr_err = LDAP_OTHER;
73 rs->sr_text = "internal error";
76 ldap_pvt_thread_yield();
77 bdb_trans_backoff( ++num_retries );
80 /* begin transaction */
81 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
84 if( rs->sr_err != 0 ) {
86 LDAP_LOG ( OPERATION, ERR,
87 "==> bdb_delete: txn_begin failed: %s (%d)\n",
88 db_strerror(rs->sr_err), rs->sr_err, 0 );
90 Debug( LDAP_DEBUG_TRACE,
91 "bdb_delete: txn_begin failed: %s (%d)\n",
92 db_strerror(rs->sr_err), rs->sr_err, 0 );
94 rs->sr_err = LDAP_OTHER;
95 rs->sr_text = "internal error";
99 locker = TXN_ID ( ltid );
101 opinfo.boi_bdb = op->o_bd;
102 opinfo.boi_txn = ltid;
103 opinfo.boi_locker = locker;
105 opinfo.boi_acl_cache = op->o_do_not_cache;
106 op->o_private = &opinfo;
108 if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
109 dnParent( &op->o_req_ndn, &pdn );
113 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
116 switch( rs->sr_err ) {
120 case DB_LOCK_DEADLOCK:
121 case DB_LOCK_NOTGRANTED:
124 rs->sr_text = "ldap server busy";
127 rs->sr_err = LDAP_OTHER;
128 rs->sr_text = "internal error";
132 if ( rs->sr_err == 0 ) {
134 eip = ei->bei_parent;
135 bdb_cache_find_id( op, ltid, eip->bei_id, &eip,
144 if ( pdn.bv_len != 0 ) {
145 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
147 LDAP_LOG ( OPERATION, DETAIL1,
148 "<=- bdb_delete: parent does not exist\n", 0, 0, 0 );
150 Debug( LDAP_DEBUG_TRACE,
151 "<=- bdb_delete: parent does not exist\n",
154 rs->sr_err = LDAP_OTHER;
155 rs->sr_text = "could not locate parent of entry";
159 /* check parent for "children" acl */
160 rs->sr_err = access_allowed( op, p,
161 children, NULL, ACL_WRITE, NULL );
163 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
167 switch( opinfo.boi_err ) {
168 case DB_LOCK_DEADLOCK:
169 case DB_LOCK_NOTGRANTED:
174 LDAP_LOG ( OPERATION, DETAIL1,
175 "<=- bdb_delete: no write access to parent\n", 0, 0, 0 );
177 Debug( LDAP_DEBUG_TRACE,
178 "<=- bdb_delete: no write access to parent\n",
181 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
182 rs->sr_text = "no write access to parent";
187 /* no parent, must be root to delete */
188 if( ! be_isroot( op->o_bd, &op->o_ndn ) ) {
189 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
190 || be_isupdate( op->o_bd, &op->o_ndn ) ) {
191 p = (Entry *)&slap_entry_root;
193 /* check parent for "children" acl */
194 rs->sr_err = access_allowed( op, p,
195 children, NULL, ACL_WRITE, NULL );
200 switch( opinfo.boi_err ) {
201 case DB_LOCK_DEADLOCK:
202 case DB_LOCK_NOTGRANTED:
207 LDAP_LOG ( OPERATION, DETAIL1,
208 "<=- bdb_delete: no access to parent\n", 0, 0, 0 );
210 Debug( LDAP_DEBUG_TRACE,
211 "<=- bdb_delete: no access "
212 "to parent\n", 0, 0, 0 );
214 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
215 rs->sr_text = "no write access to parent";
221 LDAP_LOG ( OPERATION, DETAIL1,
222 "<=- bdb_delete: no parent and not root\n", 0, 0, 0 );
224 Debug( LDAP_DEBUG_TRACE,
225 "<=- bdb_delete: no parent "
226 "and not root\n", 0, 0, 0);
228 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
234 /* FIXME : dn2entry() should return non-glue entry */
235 if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
237 LDAP_LOG ( OPERATION, ARGS,
238 "<=- bdb_delete: no such object %s\n", op->o_req_dn.bv_val, 0, 0);
240 Debug( LDAP_DEBUG_ARGS,
241 "<=- bdb_delete: no such object %s\n",
242 op->o_req_dn.bv_val, 0, 0);
245 if ( matched != NULL ) {
246 rs->sr_matched = ch_strdup( matched->e_dn );
247 rs->sr_ref = is_entry_referral( matched )
248 ? get_entry_referrals( op, matched )
250 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
254 BerVarray deref = NULL;
255 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
257 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
259 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
260 ber_bvarray_add( &deref, &tmpbv );
263 deref = default_referral;
265 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
266 LDAP_SCOPE_DEFAULT );
269 rs->sr_err = LDAP_REFERRAL;
270 send_ldap_result( op, rs );
272 if ( rs->sr_ref != default_referral ) {
273 ber_bvarray_free( rs->sr_ref );
275 free( (char *)rs->sr_matched );
277 rs->sr_matched = NULL;
283 if ( get_assert( op ) &&
284 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
286 rs->sr_err = LDAP_ASSERTION_FAILED;
290 rs->sr_err = access_allowed( op, e,
291 entry, NULL, ACL_WRITE, NULL );
294 switch( opinfo.boi_err ) {
295 case DB_LOCK_DEADLOCK:
296 case DB_LOCK_NOTGRANTED:
301 LDAP_LOG ( OPERATION, DETAIL1,
302 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
304 Debug( LDAP_DEBUG_TRACE,
305 "<=- bdb_delete: no write access to entry\n",
308 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
309 rs->sr_text = "no write access to entry";
313 if ( !manageDSAit && is_entry_referral( e ) ) {
314 /* entry is a referral, don't allow delete */
315 rs->sr_ref = get_entry_referrals( op, e );
318 LDAP_LOG ( OPERATION, DETAIL1,
319 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
321 Debug( LDAP_DEBUG_TRACE,
322 "bdb_delete: entry is referral\n", 0, 0, 0 );
325 rs->sr_err = LDAP_REFERRAL;
326 rs->sr_matched = e->e_name.bv_val;
327 send_ldap_result( op, rs );
329 ber_bvarray_free( rs->sr_ref );
331 rs->sr_matched = NULL;
338 if( op->o_preread ) {
339 if( slap_read_controls( op, rs, e,
340 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
343 LDAP_LOG ( OPERATION, DETAIL1,
344 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
346 Debug( LDAP_DEBUG_TRACE,
347 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
351 ctrls[++num_ctrls] = NULL;
354 /* nested transaction */
355 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
356 bdb->bi_db_opflags );
358 if( rs->sr_err != 0 ) {
360 LDAP_LOG ( OPERATION, ERR,
361 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
363 Debug( LDAP_DEBUG_TRACE,
364 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
365 db_strerror(rs->sr_err), rs->sr_err, 0 );
367 rs->sr_err = LDAP_OTHER;
368 rs->sr_text = "internal error";
372 /* Can't do it if we have kids */
373 rs->sr_err = bdb_cache_children( op, lt2, e );
374 if( rs->sr_err != DB_NOTFOUND ) {
375 switch( rs->sr_err ) {
376 case DB_LOCK_DEADLOCK:
377 case DB_LOCK_NOTGRANTED:
381 LDAP_LOG ( OPERATION, DETAIL1,
382 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
384 Debug(LDAP_DEBUG_ARGS,
385 "<=- bdb_delete: non-leaf %s\n",
386 op->o_req_dn.bv_val, 0, 0);
388 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
389 rs->sr_text = "subtree delete not supported";
393 LDAP_LOG ( OPERATION, ERR,
394 "<=- bdb_delete: has_children failed %s (%d)\n",
395 db_strerror(rs->sr_err), rs->sr_err, 0 );
397 Debug(LDAP_DEBUG_ARGS,
398 "<=- bdb_delete: has_children failed: %s (%d)\n",
399 db_strerror(rs->sr_err), rs->sr_err, 0 );
401 rs->sr_err = LDAP_OTHER;
402 rs->sr_text = "internal error";
407 /* delete from dn2id */
408 rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
409 if ( rs->sr_err != 0 ) {
411 LDAP_LOG ( OPERATION, ERR,
412 "<=- bdb_delete: dn2id failed: %s (%d)\n",
413 db_strerror(rs->sr_err), rs->sr_err, 0 );
415 Debug(LDAP_DEBUG_TRACE,
416 "<=- bdb_delete: dn2id failed: %s (%d)\n",
417 db_strerror(rs->sr_err), rs->sr_err, 0 );
419 switch( rs->sr_err ) {
420 case DB_LOCK_DEADLOCK:
421 case DB_LOCK_NOTGRANTED:
424 rs->sr_text = "DN index delete failed";
425 rs->sr_err = LDAP_OTHER;
429 /* delete from id2entry */
430 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
431 if ( rs->sr_err != 0 ) {
433 LDAP_LOG ( OPERATION, ERR,
434 "<=- bdb_delete: id2entry failed: %s (%d)\n",
435 db_strerror(rs->sr_err), rs->sr_err, 0 );
437 Debug(LDAP_DEBUG_TRACE,
438 "<=- bdb_delete: id2entry failed: %s (%d)\n",
439 db_strerror(rs->sr_err), rs->sr_err, 0 );
441 switch( rs->sr_err ) {
442 case DB_LOCK_DEADLOCK:
443 case DB_LOCK_NOTGRANTED:
446 rs->sr_text = "entry delete failed";
447 rs->sr_err = LDAP_OTHER;
451 /* delete indices for old attributes */
452 rs->sr_err = bdb_index_entry_del( op, lt2, e );
453 if ( rs->sr_err != LDAP_SUCCESS ) {
455 LDAP_LOG ( OPERATION, ERR,
456 "<=- bdb_delete: index failed: %s (%d)\n",
457 db_strerror(rs->sr_err), rs->sr_err, 0 );
459 Debug( LDAP_DEBUG_TRACE,
460 "<=- bdb_delete: index failed: %s (%d)\n",
461 db_strerror(rs->sr_err), rs->sr_err, 0 );
463 switch( rs->sr_err ) {
464 case DB_LOCK_DEADLOCK:
465 case DB_LOCK_NOTGRANTED:
468 rs->sr_text = "entry index delete failed";
469 rs->sr_err = LDAP_OTHER;
472 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
473 rs->sr_err = LDAP_OTHER;
474 rs->sr_text = "txn_commit(2) failed";
478 #if 0 /* Do we want to reclaim deleted IDs? */
479 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
480 if ( e->e_id == bdb->bi_lastid ) {
481 bdb_last_id( op->o_bd, ltid );
483 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
486 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
487 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
488 &ctxcsn_e, &ctxcsn_added, locker );
498 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
499 rs->sr_text = "txn_abort (no-op) failed";
502 rs->sr_err = LDAP_SUCCESS;
505 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
508 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
509 if ( ctxcsn_added ) {
510 bdb_cache_add( bdb, suffix_ei,
511 ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
515 rs->sr_err = TXN_COMMIT( ltid, 0 );
518 op->o_private = NULL;
520 if( rs->sr_err != 0 ) {
522 LDAP_LOG ( OPERATION, ERR,
523 "bdb_delete: txn_%s failed: %s (%d)\n",
524 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
526 Debug( LDAP_DEBUG_TRACE,
527 "bdb_delete: txn_%s failed: %s (%d)\n",
528 op->o_noop ? "abort (no-op)" : "commit",
529 db_strerror(rs->sr_err), rs->sr_err );
531 rs->sr_err = LDAP_OTHER;
532 rs->sr_text = "commit failed";
538 LDAP_LOG ( OPERATION, RESULTS,
539 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
540 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
542 Debug( LDAP_DEBUG_TRACE,
543 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
544 op->o_noop ? " (no-op)" : "",
547 rs->sr_err = LDAP_SUCCESS;
549 if( num_ctrls ) rs->sr_ctrls = ctrls;
552 send_ldap_result( op, rs );
554 if ( rs->sr_err == LDAP_SUCCESS && !noop && !op->o_no_psearch ) {
555 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
556 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
560 if(rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
561 ldap_pvt_thread_yield();
562 TXN_CHECKPOINT( bdb->bi_dbenv,
563 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
569 if ( rs->sr_err == LDAP_SUCCESS ) {
570 /* Free the EntryInfo and the Entry */
571 bdb_cache_delete_cleanup( &bdb->bi_cache, e );
573 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
579 op->o_private = NULL;
582 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );