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;
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;
41 LDAP_LOG ( OPERATION, ARGS, "==> bdb_delete: %s\n", op->o_req_dn.bv_val, 0, 0 );
43 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
44 op->o_req_dn.bv_val, 0, 0 );
48 retry: /* transaction retry */
50 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
54 LDAP_LOG ( OPERATION, DETAIL1,
55 "==> bdb_delete: retrying...\n", 0, 0, 0 );
57 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
60 rs->sr_err = TXN_ABORT( ltid );
63 op->o_do_not_cache = opinfo.boi_acl_cache;
64 if( rs->sr_err != 0 ) {
65 rs->sr_err = LDAP_OTHER;
66 rs->sr_text = "internal error";
69 ldap_pvt_thread_yield();
72 /* begin transaction */
73 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
76 if( rs->sr_err != 0 ) {
78 LDAP_LOG ( OPERATION, ERR,
79 "==> bdb_delete: txn_begin failed: %s (%d)\n",
80 db_strerror(rs->sr_err), rs->sr_err, 0 );
82 Debug( LDAP_DEBUG_TRACE,
83 "bdb_delete: txn_begin failed: %s (%d)\n",
84 db_strerror(rs->sr_err), rs->sr_err, 0 );
86 rs->sr_err = LDAP_OTHER;
87 rs->sr_text = "internal error";
91 locker = TXN_ID ( ltid );
93 opinfo.boi_bdb = op->o_bd;
94 opinfo.boi_txn = ltid;
95 opinfo.boi_locker = locker;
97 opinfo.boi_acl_cache = op->o_do_not_cache;
98 op->o_private = &opinfo;
100 if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
101 dnParent( &op->o_req_ndn, &pdn );
105 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
108 switch( rs->sr_err ) {
112 case DB_LOCK_DEADLOCK:
113 case DB_LOCK_NOTGRANTED:
116 rs->sr_text = "ldap server busy";
119 rs->sr_err = LDAP_OTHER;
120 rs->sr_text = "internal error";
124 if ( rs->sr_err == 0 ) {
126 eip = ei->bei_parent;
127 bdb_cache_find_id( op, ltid, eip->bei_id, &eip,
136 if ( pdn.bv_len != 0 ) {
137 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
139 LDAP_LOG ( OPERATION, DETAIL1,
140 "<=- bdb_delete: parent does not exist\n", 0, 0, 0 );
142 Debug( LDAP_DEBUG_TRACE,
143 "<=- bdb_delete: parent does not exist\n",
146 rs->sr_err = LDAP_OTHER;
147 rs->sr_text = "could not locate parent of entry";
151 /* check parent for "children" acl */
152 rs->sr_err = access_allowed( op, p,
153 children, NULL, ACL_WRITE, NULL );
155 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
159 switch( opinfo.boi_err ) {
160 case DB_LOCK_DEADLOCK:
161 case DB_LOCK_NOTGRANTED:
166 LDAP_LOG ( OPERATION, DETAIL1,
167 "<=- bdb_delete: no write access to parent\n", 0, 0, 0 );
169 Debug( LDAP_DEBUG_TRACE,
170 "<=- bdb_delete: no write access to parent\n",
173 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
174 rs->sr_text = "no write access to parent";
179 /* no parent, must be root to delete */
180 if( ! be_isroot( op->o_bd, &op->o_ndn ) ) {
181 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
182 || be_isupdate( op->o_bd, &op->o_ndn ) ) {
183 p = (Entry *)&slap_entry_root;
185 /* check parent for "children" acl */
186 rs->sr_err = access_allowed( op, p,
187 children, NULL, ACL_WRITE, NULL );
192 switch( opinfo.boi_err ) {
193 case DB_LOCK_DEADLOCK:
194 case DB_LOCK_NOTGRANTED:
199 LDAP_LOG ( OPERATION, DETAIL1,
200 "<=- bdb_delete: no access to parent\n", 0, 0, 0 );
202 Debug( LDAP_DEBUG_TRACE,
203 "<=- bdb_delete: no access "
204 "to parent\n", 0, 0, 0 );
206 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
207 rs->sr_text = "no write access to parent";
213 LDAP_LOG ( OPERATION, DETAIL1,
214 "<=- bdb_delete: no parent and not root\n", 0, 0, 0 );
216 Debug( LDAP_DEBUG_TRACE,
217 "<=- bdb_delete: no parent "
218 "and not root\n", 0, 0, 0);
220 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
228 LDAP_LOG ( OPERATION, ARGS,
229 "<=- bdb_delete: no such object %s\n", op->o_req_dn.bv_val, 0, 0);
231 Debug( LDAP_DEBUG_ARGS,
232 "<=- bdb_delete: no such object %s\n",
233 op->o_req_dn.bv_val, 0, 0);
236 if ( matched != NULL ) {
237 rs->sr_matched = ch_strdup( matched->e_dn );
238 rs->sr_ref = is_entry_referral( matched )
239 ? get_entry_referrals( op, matched )
241 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
245 rs->sr_ref = referral_rewrite( default_referral,
246 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
249 rs->sr_err = LDAP_REFERRAL;
250 send_ldap_result( op, rs );
252 ber_bvarray_free( rs->sr_ref );
253 free( (char *)rs->sr_matched );
255 rs->sr_matched = NULL;
261 if ( get_assert( op ) &&
262 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
264 rs->sr_err = LDAP_ASSERTION_FAILED;
268 rs->sr_err = access_allowed( op, e,
269 entry, NULL, ACL_WRITE, NULL );
272 switch( opinfo.boi_err ) {
273 case DB_LOCK_DEADLOCK:
274 case DB_LOCK_NOTGRANTED:
279 LDAP_LOG ( OPERATION, DETAIL1,
280 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
282 Debug( LDAP_DEBUG_TRACE,
283 "<=- bdb_delete: no write access to entry\n",
286 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
287 rs->sr_text = "no write access to entry";
291 if ( !manageDSAit && is_entry_referral( e ) ) {
292 /* entry is a referral, don't allow delete */
293 rs->sr_ref = get_entry_referrals( op, e );
296 LDAP_LOG ( OPERATION, DETAIL1,
297 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
299 Debug( LDAP_DEBUG_TRACE,
300 "bdb_delete: entry is referral\n",
304 rs->sr_err = LDAP_REFERRAL;
305 rs->sr_matched = e->e_name.bv_val;
306 send_ldap_result( op, rs );
308 ber_bvarray_free( rs->sr_ref );
310 rs->sr_matched = NULL;
316 /* nested transaction */
317 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
318 bdb->bi_db_opflags );
320 if( rs->sr_err != 0 ) {
322 LDAP_LOG ( OPERATION, ERR,
323 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
325 Debug( LDAP_DEBUG_TRACE,
326 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
327 db_strerror(rs->sr_err), rs->sr_err, 0 );
329 rs->sr_err = LDAP_OTHER;
330 rs->sr_text = "internal error";
334 /* Can't do it if we have kids */
335 rs->sr_err = bdb_cache_children( op, lt2, e );
336 if( rs->sr_err != DB_NOTFOUND ) {
337 switch( rs->sr_err ) {
338 case DB_LOCK_DEADLOCK:
339 case DB_LOCK_NOTGRANTED:
343 LDAP_LOG ( OPERATION, DETAIL1,
344 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
346 Debug(LDAP_DEBUG_ARGS,
347 "<=- bdb_delete: non-leaf %s\n",
348 op->o_req_dn.bv_val, 0, 0);
350 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
351 rs->sr_text = "subtree delete not supported";
355 LDAP_LOG ( OPERATION, ERR,
356 "<=- bdb_delete: has_children failed %s (%d)\n",
357 db_strerror(rs->sr_err), rs->sr_err, 0 );
359 Debug(LDAP_DEBUG_ARGS,
360 "<=- bdb_delete: has_children failed: %s (%d)\n",
361 db_strerror(rs->sr_err), rs->sr_err, 0 );
363 rs->sr_err = LDAP_OTHER;
364 rs->sr_text = "internal error";
369 /* delete from dn2id */
370 rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
371 if ( rs->sr_err != 0 ) {
373 LDAP_LOG ( OPERATION, ERR,
374 "<=- bdb_delete: dn2id failed: %s (%d)\n",
375 db_strerror(rs->sr_err), rs->sr_err, 0 );
377 Debug(LDAP_DEBUG_TRACE,
378 "<=- bdb_delete: dn2id failed: %s (%d)\n",
379 db_strerror(rs->sr_err), rs->sr_err, 0 );
381 switch( rs->sr_err ) {
382 case DB_LOCK_DEADLOCK:
383 case DB_LOCK_NOTGRANTED:
386 rs->sr_text = "DN index delete failed";
387 rs->sr_err = LDAP_OTHER;
391 /* delete from id2entry */
392 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
393 if ( rs->sr_err != 0 ) {
395 LDAP_LOG ( OPERATION, ERR,
396 "<=- bdb_delete: id2entry failed: %s (%d)\n",
397 db_strerror(rs->sr_err), rs->sr_err, 0 );
399 Debug(LDAP_DEBUG_TRACE,
400 "<=- bdb_delete: id2entry failed: %s (%d)\n",
401 db_strerror(rs->sr_err), rs->sr_err, 0 );
403 switch( rs->sr_err ) {
404 case DB_LOCK_DEADLOCK:
405 case DB_LOCK_NOTGRANTED:
408 rs->sr_text = "entry delete failed";
409 rs->sr_err = LDAP_OTHER;
413 /* delete indices for old attributes */
414 rs->sr_err = bdb_index_entry_del( op, lt2, e );
415 if ( rs->sr_err != LDAP_SUCCESS ) {
417 LDAP_LOG ( OPERATION, ERR,
418 "<=- bdb_delete: index failed: %s (%d)\n",
419 db_strerror(rs->sr_err), rs->sr_err, 0 );
421 Debug( LDAP_DEBUG_TRACE,
422 "<=- bdb_delete: index failed: %s (%d)\n",
423 db_strerror(rs->sr_err), rs->sr_err, 0 );
425 switch( rs->sr_err ) {
426 case DB_LOCK_DEADLOCK:
427 case DB_LOCK_NOTGRANTED:
430 rs->sr_text = "entry index delete failed";
431 rs->sr_err = LDAP_OTHER;
434 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
435 rs->sr_err = LDAP_OTHER;
436 rs->sr_text = "txn_commit(2) failed";
440 #if 0 /* Do we want to reclaim deleted IDs? */
441 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
442 if ( e->e_id == bdb->bi_lastid ) {
443 bdb_last_id( op->o_bd, ltid );
445 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
449 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
450 rs->sr_text = "txn_abort (no-op) failed";
453 rs->sr_err = LDAP_SUCCESS;
456 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
458 rs->sr_err = TXN_COMMIT( ltid, 0 );
461 op->o_private = NULL;
463 if( rs->sr_err != 0 ) {
465 LDAP_LOG ( OPERATION, ERR,
466 "bdb_delete: txn_%s failed: %s (%d)\n",
467 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
469 Debug( LDAP_DEBUG_TRACE,
470 "bdb_delete: txn_%s failed: %s (%d)\n",
471 op->o_noop ? "abort (no-op)" : "commit",
472 db_strerror(rs->sr_err), rs->sr_err );
474 rs->sr_err = LDAP_OTHER;
475 rs->sr_text = "commit failed";
479 LDAP_LOG ( OPERATION, RESULTS,
480 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
481 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
483 Debug( LDAP_DEBUG_TRACE,
484 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
485 op->o_noop ? " (no-op)" : "",
488 rs->sr_err = LDAP_SUCCESS;
493 send_ldap_result( op, rs );
496 if ( rs->sr_err == LDAP_SUCCESS && !noop ) {
497 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
498 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
503 if(rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
504 ldap_pvt_thread_yield();
505 TXN_CHECKPOINT( bdb->bi_dbenv,
506 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
512 if ( rs->sr_err == LDAP_SUCCESS ) {
513 /* Free the EntryInfo and the Entry */
514 bdb_cache_delete_cleanup( e );
516 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
522 op->o_private = NULL;
525 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );