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;
36 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
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->o_bd, ltid, &op->o_req_ndn, &ei, 1,
106 locker, &lock, op->o_tmpmemctx );
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->o_bd, ltid, eip->bei_id, &eip,
128 0, locker, &plock, op->o_tmpmemctx );
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 rs->sr_err = access_allowed( op, e,
262 entry, NULL, ACL_WRITE, NULL );
265 switch( opinfo.boi_err ) {
266 case DB_LOCK_DEADLOCK:
267 case DB_LOCK_NOTGRANTED:
272 LDAP_LOG ( OPERATION, DETAIL1,
273 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
275 Debug( LDAP_DEBUG_TRACE,
276 "<=- bdb_delete: no write access to entry\n",
279 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
280 rs->sr_text = "no write access to entry";
284 if ( !manageDSAit && is_entry_referral( e ) ) {
285 /* entry is a referral, don't allow delete */
286 rs->sr_ref = get_entry_referrals( op, e );
289 LDAP_LOG ( OPERATION, DETAIL1,
290 "<=- bdb_delete: entry is referral\n", 0, 0, 0 );
292 Debug( LDAP_DEBUG_TRACE,
293 "bdb_delete: entry is referral\n",
297 rs->sr_err = LDAP_REFERRAL;
298 rs->sr_matched = e->e_name.bv_val;
299 send_ldap_result( op, rs );
301 ber_bvarray_free( rs->sr_ref );
303 rs->sr_matched = NULL;
309 /* nested transaction */
310 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
311 bdb->bi_db_opflags );
313 if( rs->sr_err != 0 ) {
315 LDAP_LOG ( OPERATION, ERR,
316 "bdb_delete: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
318 Debug( LDAP_DEBUG_TRACE,
319 "bdb_delete: txn_begin(2) failed: %s (%d)\n",
320 db_strerror(rs->sr_err), rs->sr_err, 0 );
322 rs->sr_err = LDAP_OTHER;
323 rs->sr_text = "internal error";
327 /* Can't do it if we have kids */
328 rs->sr_err = bdb_cache_children( op, lt2, e );
329 if( rs->sr_err != DB_NOTFOUND ) {
330 switch( rs->sr_err ) {
331 case DB_LOCK_DEADLOCK:
332 case DB_LOCK_NOTGRANTED:
336 LDAP_LOG ( OPERATION, DETAIL1,
337 "<=- bdb_delete: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
339 Debug(LDAP_DEBUG_ARGS,
340 "<=- bdb_delete: non-leaf %s\n",
341 op->o_req_dn.bv_val, 0, 0);
343 rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
344 rs->sr_text = "subtree delete not supported";
348 LDAP_LOG ( OPERATION, ERR,
349 "<=- bdb_delete: has_children failed %s (%d)\n",
350 db_strerror(rs->sr_err), rs->sr_err, 0 );
352 Debug(LDAP_DEBUG_ARGS,
353 "<=- bdb_delete: has_children failed: %s (%d)\n",
354 db_strerror(rs->sr_err), rs->sr_err, 0 );
356 rs->sr_err = LDAP_OTHER;
357 rs->sr_text = "internal error";
362 /* delete from dn2id */
363 rs->sr_err = bdb_dn2id_delete( op->o_bd, lt2, eip, e,
365 if ( rs->sr_err != 0 ) {
367 LDAP_LOG ( OPERATION, ERR,
368 "<=- bdb_delete: dn2id failed: %s (%d)\n",
369 db_strerror(rs->sr_err), rs->sr_err, 0 );
371 Debug(LDAP_DEBUG_TRACE,
372 "<=- bdb_delete: dn2id failed: %s (%d)\n",
373 db_strerror(rs->sr_err), rs->sr_err, 0 );
375 switch( rs->sr_err ) {
376 case DB_LOCK_DEADLOCK:
377 case DB_LOCK_NOTGRANTED:
380 rs->sr_text = "DN index delete failed";
381 rs->sr_err = LDAP_OTHER;
385 /* delete from id2entry */
386 rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
387 if ( rs->sr_err != 0 ) {
389 LDAP_LOG ( OPERATION, ERR,
390 "<=- bdb_delete: id2entry failed: %s (%d)\n",
391 db_strerror(rs->sr_err), rs->sr_err, 0 );
393 Debug(LDAP_DEBUG_TRACE,
394 "<=- bdb_delete: id2entry failed: %s (%d)\n",
395 db_strerror(rs->sr_err), rs->sr_err, 0 );
397 switch( rs->sr_err ) {
398 case DB_LOCK_DEADLOCK:
399 case DB_LOCK_NOTGRANTED:
402 rs->sr_text = "entry delete failed";
403 rs->sr_err = LDAP_OTHER;
407 /* delete indices for old attributes */
408 rs->sr_err = bdb_index_entry_del( op, lt2, e );
409 if ( rs->sr_err != LDAP_SUCCESS ) {
411 LDAP_LOG ( OPERATION, ERR,
412 "<=- bdb_delete: index failed: %s (%d)\n",
413 db_strerror(rs->sr_err), rs->sr_err, 0 );
415 Debug( LDAP_DEBUG_TRACE,
416 "<=- bdb_delete: index 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 = "entry index delete failed";
425 rs->sr_err = LDAP_OTHER;
428 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
429 rs->sr_err = LDAP_OTHER;
430 rs->sr_text = "txn_commit(2) failed";
434 #if 0 /* Do we want to reclaim deleted IDs? */
435 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
436 if ( e->e_id == bdb->bi_lastid ) {
437 bdb_last_id( op->o_bd, ltid );
439 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
443 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
444 rs->sr_text = "txn_abort (no-op) failed";
447 rs->sr_err = LDAP_SUCCESS;
450 bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
452 rs->sr_err = TXN_COMMIT( ltid, 0 );
455 op->o_private = NULL;
457 if( rs->sr_err != 0 ) {
459 LDAP_LOG ( OPERATION, ERR,
460 "bdb_delete: txn_%s failed: %s (%d)\n",
461 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
463 Debug( LDAP_DEBUG_TRACE,
464 "bdb_delete: txn_%s failed: %s (%d)\n",
465 op->o_noop ? "abort (no-op)" : "commit",
466 db_strerror(rs->sr_err), rs->sr_err );
468 rs->sr_err = LDAP_OTHER;
469 rs->sr_text = "commit failed";
473 LDAP_LOG ( OPERATION, RESULTS,
474 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
475 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
477 Debug( LDAP_DEBUG_TRACE,
478 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
479 op->o_noop ? " (no-op)" : "",
482 rs->sr_err = LDAP_SUCCESS;
487 send_ldap_result( op, rs );
489 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
490 if ( rs->sr_err == LDAP_SUCCESS && !noop ) {
492 LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
493 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
499 if(rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
500 ldap_pvt_thread_yield();
501 TXN_CHECKPOINT( bdb->bi_dbenv,
502 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
508 if ( rs->sr_err == LDAP_SUCCESS ) {
509 bdb_entry_return( e );
511 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
517 op->o_private = NULL;
520 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );