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 = op->o_bd->syncinfo ?
255 op->o_bd->syncinfo->provideruri_bv : default_referral;
256 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
259 rs->sr_err = LDAP_REFERRAL;
260 send_ldap_result( op, rs );
262 ber_bvarray_free( rs->sr_ref );
263 free( (char *)rs->sr_matched );
265 rs->sr_matched = NULL;
271 if ( get_assert( op ) &&
272 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
274 rs->sr_err = LDAP_ASSERTION_FAILED;
278 rs->sr_err = access_allowed( op, e,
279 entry, NULL, ACL_WRITE, NULL );
282 switch( opinfo.boi_err ) {
283 case DB_LOCK_DEADLOCK:
284 case DB_LOCK_NOTGRANTED:
289 LDAP_LOG ( OPERATION, DETAIL1,
290 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
292 Debug( LDAP_DEBUG_TRACE,
293 "<=- bdb_delete: no write access to entry\n",
296 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
297 rs->sr_text = "no write access to entry";
301 if ( !manageDSAit && is_entry_referral( e ) ) {
302 /* entry is a referral, don't allow delete */
303 rs->sr_ref = get_entry_referrals( op, e );
306 LDAP_LOG ( OPERATION, DETAIL1,
307 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
309 Debug( LDAP_DEBUG_TRACE,
310 "bdb_delete: entry is referral\n", 0, 0, 0 );
313 rs->sr_err = LDAP_REFERRAL;
314 rs->sr_matched = e->e_name.bv_val;
315 send_ldap_result( op, rs );
317 ber_bvarray_free( rs->sr_ref );
319 rs->sr_matched = NULL;
326 if( op->o_preread ) {
327 if( slap_read_controls( op, rs, e,
328 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
331 LDAP_LOG ( OPERATION, DETAIL1,
332 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
334 Debug( LDAP_DEBUG_TRACE,
335 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
339 ctrls[++num_ctrls] = NULL;
342 /* nested transaction */
343 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
344 bdb->bi_db_opflags );
346 if( rs->sr_err != 0 ) {
348 LDAP_LOG ( OPERATION, ERR,
349 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
351 Debug( LDAP_DEBUG_TRACE,
352 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
353 db_strerror(rs->sr_err), rs->sr_err, 0 );
355 rs->sr_err = LDAP_OTHER;
356 rs->sr_text = "internal error";
360 /* Can't do it if we have kids */
361 rs->sr_err = bdb_cache_children( op, lt2, e );
362 if( rs->sr_err != DB_NOTFOUND ) {
363 switch( rs->sr_err ) {
364 case DB_LOCK_DEADLOCK:
365 case DB_LOCK_NOTGRANTED:
369 LDAP_LOG ( OPERATION, DETAIL1,
370 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
372 Debug(LDAP_DEBUG_ARGS,
373 "<=- bdb_delete: non-leaf %s\n",
374 op->o_req_dn.bv_val, 0, 0);
376 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
377 rs->sr_text = "subtree delete not supported";
381 LDAP_LOG ( OPERATION, ERR,
382 "<=- bdb_delete: has_children failed %s (%d)\n",
383 db_strerror(rs->sr_err), rs->sr_err, 0 );
385 Debug(LDAP_DEBUG_ARGS,
386 "<=- bdb_delete: has_children failed: %s (%d)\n",
387 db_strerror(rs->sr_err), rs->sr_err, 0 );
389 rs->sr_err = LDAP_OTHER;
390 rs->sr_text = "internal error";
395 /* delete from dn2id */
396 rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
397 if ( rs->sr_err != 0 ) {
399 LDAP_LOG ( OPERATION, ERR,
400 "<=- bdb_delete: dn2id failed: %s (%d)\n",
401 db_strerror(rs->sr_err), rs->sr_err, 0 );
403 Debug(LDAP_DEBUG_TRACE,
404 "<=- bdb_delete: dn2id failed: %s (%d)\n",
405 db_strerror(rs->sr_err), rs->sr_err, 0 );
407 switch( rs->sr_err ) {
408 case DB_LOCK_DEADLOCK:
409 case DB_LOCK_NOTGRANTED:
412 rs->sr_text = "DN index delete failed";
413 rs->sr_err = LDAP_OTHER;
417 /* delete from id2entry */
418 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
419 if ( rs->sr_err != 0 ) {
421 LDAP_LOG ( OPERATION, ERR,
422 "<=- bdb_delete: id2entry failed: %s (%d)\n",
423 db_strerror(rs->sr_err), rs->sr_err, 0 );
425 Debug(LDAP_DEBUG_TRACE,
426 "<=- bdb_delete: id2entry 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 = "entry delete failed";
435 rs->sr_err = LDAP_OTHER;
439 /* delete indices for old attributes */
440 rs->sr_err = bdb_index_entry_del( op, lt2, e );
441 if ( rs->sr_err != LDAP_SUCCESS ) {
443 LDAP_LOG ( OPERATION, ERR,
444 "<=- bdb_delete: index failed: %s (%d)\n",
445 db_strerror(rs->sr_err), rs->sr_err, 0 );
447 Debug( LDAP_DEBUG_TRACE,
448 "<=- bdb_delete: index 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 index delete failed";
457 rs->sr_err = LDAP_OTHER;
460 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
461 rs->sr_err = LDAP_OTHER;
462 rs->sr_text = "txn_commit(2) failed";
466 #if 0 /* Do we want to reclaim deleted IDs? */
467 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
468 if ( e->e_id == bdb->bi_lastid ) {
469 bdb_last_id( op->o_bd, ltid );
471 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
474 if ( !op->o_bd->syncinfo ) {
475 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei, &ctxcsn_e, &ctxcsn_added, locker );
485 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
486 rs->sr_text = "txn_abort (no-op) failed";
489 rs->sr_err = LDAP_SUCCESS;
492 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
495 if ( !op->o_bd->syncinfo ) {
496 if ( ctxcsn_added ) {
497 bdb_cache_add( bdb, suffix_ei, ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
501 rs->sr_err = TXN_COMMIT( ltid, 0 );
504 op->o_private = NULL;
506 if( rs->sr_err != 0 ) {
508 LDAP_LOG ( OPERATION, ERR,
509 "bdb_delete: txn_%s failed: %s (%d)\n",
510 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
512 Debug( LDAP_DEBUG_TRACE,
513 "bdb_delete: txn_%s failed: %s (%d)\n",
514 op->o_noop ? "abort (no-op)" : "commit",
515 db_strerror(rs->sr_err), rs->sr_err );
517 rs->sr_err = LDAP_OTHER;
518 rs->sr_text = "commit failed";
524 LDAP_LOG ( OPERATION, RESULTS,
525 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
526 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
528 Debug( LDAP_DEBUG_TRACE,
529 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
530 op->o_noop ? " (no-op)" : "",
533 rs->sr_err = LDAP_SUCCESS;
535 if( num_ctrls ) rs->sr_ctrls = ctrls;
538 send_ldap_result( op, rs );
540 if ( rs->sr_err == LDAP_SUCCESS && !noop ) {
541 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
542 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
546 if(rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
547 ldap_pvt_thread_yield();
548 TXN_CHECKPOINT( bdb->bi_dbenv,
549 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
555 if ( rs->sr_err == LDAP_SUCCESS ) {
556 /* Free the EntryInfo and the Entry */
557 bdb_cache_delete_cleanup( e );
559 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
565 op->o_private = NULL;
568 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );