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>
25 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
27 struct berval pdn = {0, NULL};
32 int manageDSAit = get_manageDSAit( op );
33 AttributeDescription *children = slap_schema.si_ad_children;
34 AttributeDescription *entry = slap_schema.si_ad_entry;
36 struct bdb_op_info opinfo;
47 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
52 LDAP_LOG ( OPERATION, ARGS, "==> bdb_delete: %s\n", dn->bv_val, 0, 0 );
54 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
59 retry: /* transaction retry */
61 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
64 LDAP_LOG ( OPERATION, DETAIL1,
65 "==> bdb_delete: retrying...\n", 0, 0, 0 );
67 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
70 rc = TXN_ABORT( ltid );
75 text = "internal error";
78 ldap_pvt_thread_yield();
81 /* begin transaction */
82 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
87 LDAP_LOG ( OPERATION, ERR,
88 "==> bdb_delete: txn_begin failed: %s (%d)\n",
89 db_strerror(rc), rc, 0 );
91 Debug( LDAP_DEBUG_TRACE,
92 "bdb_delete: txn_begin failed: %s (%d)\n",
93 db_strerror(rc), rc, 0 );
96 text = "internal error";
100 locker = TXN_ID ( ltid );
102 lockid = TXN_ID( ltid );
106 opinfo.boi_txn = ltid;
107 opinfo.boi_locker = locker;
109 op->o_private = &opinfo;
111 if ( !be_issuffix( be, ndn ) ) {
112 dnParent( ndn, &pdn );
115 if( pdn.bv_len != 0 ) {
119 obj.data = pdn.bv_val-1;
120 obj.size = pdn.bv_len+1;
121 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
122 DB_LOCK_WRITE, &lock);
126 rc = bdb_dn2entry_r( be, ltid, &pdn, &p, NULL, 0, locker, &lock );
132 case DB_LOCK_DEADLOCK:
133 case DB_LOCK_NOTGRANTED:
136 text = "ldap server busy";
140 text = "internal error";
146 LDAP_LOG ( OPERATION, DETAIL1,
147 "<=- bdb_delete: parent does not exist\n", 0, 0, 0 );
149 Debug( LDAP_DEBUG_TRACE,
150 "<=- bdb_delete: parent does not exist\n",
154 text = "could not locate parent of entry";
158 /* check parent for "children" acl */
159 rc = access_allowed( be, conn, op, p,
160 children, NULL, ACL_WRITE, NULL );
162 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
165 switch( opinfo.boi_err ) {
166 case DB_LOCK_DEADLOCK:
167 case DB_LOCK_NOTGRANTED:
173 LDAP_LOG ( OPERATION, DETAIL1,
174 "<=- bdb_delete: no write access to parent\n", 0, 0, 0 );
176 Debug( LDAP_DEBUG_TRACE,
177 "<=- bdb_delete: no write access to parent\n",
180 rc = LDAP_INSUFFICIENT_ACCESS;
181 text = "no write access to parent";
186 /* no parent, must be root to delete */
187 if( ! be_isroot( be, &op->o_ndn ) ) {
188 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
189 || be_isupdate( be, &op->o_ndn ) ) {
190 p = (Entry *)&slap_entry_root;
192 /* check parent for "children" acl */
193 rc = access_allowed( be, conn, op, p,
194 children, NULL, ACL_WRITE, NULL );
198 switch( opinfo.boi_err ) {
199 case DB_LOCK_DEADLOCK:
200 case DB_LOCK_NOTGRANTED:
206 LDAP_LOG ( OPERATION, DETAIL1,
207 "<=- bdb_delete: no access to parent\n", 0, 0, 0 );
209 Debug( LDAP_DEBUG_TRACE,
210 "<=- bdb_delete: no access "
211 "to parent\n", 0, 0, 0 );
213 rc = LDAP_INSUFFICIENT_ACCESS;
214 text = "no write access to parent";
220 LDAP_LOG ( OPERATION, DETAIL1,
221 "<=- bdb_delete: no parent and not root\n", 0, 0, 0 );
223 Debug( LDAP_DEBUG_TRACE,
224 "<=- bdb_delete: no parent "
225 "and not root\n", 0, 0, 0);
227 rc = LDAP_INSUFFICIENT_ACCESS;
237 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
238 DB_LOCK_WRITE, &lock);
243 /* get entry for read/modify/write */
244 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW, locker, &lock );
250 case DB_LOCK_DEADLOCK:
251 case DB_LOCK_NOTGRANTED:
254 text = "ldap server busy";
258 text = "internal error";
263 char *matched_dn = NULL;
267 LDAP_LOG ( OPERATION, ARGS,
268 "<=- bdb_delete: no such object %s\n", dn->bv_val, 0, 0);
270 Debug( LDAP_DEBUG_ARGS,
271 "<=- bdb_delete: no such object %s\n",
275 if ( matched != NULL ) {
276 matched_dn = ch_strdup( matched->e_dn );
277 refs = is_entry_referral( matched )
278 ? get_entry_referrals( be, conn, op, matched )
280 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
284 refs = referral_rewrite( default_referral,
285 NULL, dn, LDAP_SCOPE_DEFAULT );
288 send_ldap_result( conn, op, LDAP_REFERRAL,
289 matched_dn, NULL, refs, NULL );
291 ber_bvarray_free( refs );
298 rc = access_allowed( be, conn, op, e,
299 entry, NULL, ACL_WRITE, NULL );
301 switch( opinfo.boi_err ) {
302 case DB_LOCK_DEADLOCK:
303 case DB_LOCK_NOTGRANTED:
309 LDAP_LOG ( OPERATION, DETAIL1,
310 "<=- bdb_delete: no write access to entry\n", 0, 0, 0 );
312 Debug( LDAP_DEBUG_TRACE,
313 "<=- bdb_delete: no write access to entry\n",
316 rc = LDAP_INSUFFICIENT_ACCESS;
317 text = "no write access to entry";
321 if ( !manageDSAit && is_entry_referral( e ) ) {
322 /* entry is a referral, don't allow delete */
323 BerVarray refs = get_entry_referrals( be,
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",
335 send_ldap_result( conn, op, LDAP_REFERRAL,
336 e->e_dn, NULL, refs, NULL );
338 ber_bvarray_free( refs );
344 rc = bdb_dn2id_children( be, ltid, &e->e_nname, 0 );
345 if( rc != DB_NOTFOUND ) {
347 case DB_LOCK_DEADLOCK:
348 case DB_LOCK_NOTGRANTED:
352 LDAP_LOG ( OPERATION, DETAIL1,
353 "<=- bdb_delete: non-leaf %s\n", dn->bv_val, 0, 0 );
355 Debug(LDAP_DEBUG_ARGS,
356 "<=- bdb_delete: non-leaf %s\n",
359 rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
360 text = "subtree delete not supported";
364 LDAP_LOG ( OPERATION, ERR,
365 "<=- bdb_delete: has_children failed %s (%d)\n",
366 db_strerror(rc), rc, 0 );
368 Debug(LDAP_DEBUG_ARGS,
369 "<=- bdb_delete: has_children failed: %s (%d)\n",
370 db_strerror(rc), rc, 0 );
373 text = "internal error";
378 /* delete from dn2id */
379 rc = bdb_dn2id_delete( be, ltid, pdn.bv_val, e );
382 case DB_LOCK_DEADLOCK:
383 case DB_LOCK_NOTGRANTED:
389 LDAP_LOG ( OPERATION, ERR,
390 "<=- bdb_delete: dn2id failed %s (%d)\n", db_strerror(rc), rc, 0 );
392 Debug(LDAP_DEBUG_ARGS,
393 "<=- bdb_delete: dn2id failed: %s (%d)\n",
394 db_strerror(rc), rc, 0 );
396 text = "DN index delete failed";
400 /* delete from id2entry */
401 rc = bdb_id2entry_delete( be, ltid, e );
404 case DB_LOCK_DEADLOCK:
405 case DB_LOCK_NOTGRANTED:
411 LDAP_LOG ( OPERATION, ERR,
412 "<=- bdb_delete: id2entry failed: %s (%d)\n",
413 db_strerror(rc), rc, 0 );
415 Debug(LDAP_DEBUG_ARGS,
416 "<=- bdb_delete: id2entry failed: %s (%d)\n",
417 db_strerror(rc), rc, 0 );
419 text = "entry delete failed";
423 /* delete indices for old attributes */
424 rc = bdb_index_entry_del( be, ltid, e, e->e_attrs );
425 if ( rc != LDAP_SUCCESS ) {
427 case DB_LOCK_DEADLOCK:
428 case DB_LOCK_NOTGRANTED:
434 LDAP_LOG ( OPERATION, ERR,
435 "<=- bdb_delete: entry index delete failed!\n", 0, 0, 0 );
437 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
440 text = "entry index delete failed";
444 #if 0 /* Do we want to reclaim deleted IDs? */
445 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
446 if ( e->e_id == bdb->bi_lastid ) {
447 bdb_last_id( be, ltid );
449 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
453 if ( ( rc = TXN_ABORT( ltid ) ) != 0 ) {
454 text = "txn_abort (no-op) failed";
460 rc = TXN_COMMIT( ltid, 0 );
463 op->o_private = NULL;
467 LDAP_LOG ( OPERATION, ERR,
468 "bdb_delete: txn_%s failed: %s (%d)\n",
469 op->o_noop ? "abort (no-op)" : "commit", db_strerror(rc), rc );
471 Debug( LDAP_DEBUG_TRACE,
472 "bdb_delete: txn_%s failed: %s (%d)\n",
473 op->o_noop ? "abort (no-op)" : "commit",
474 db_strerror(rc), rc );
477 text = "commit failed";
481 LDAP_LOG ( OPERATION, RESULTS,
482 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
483 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
485 Debug( LDAP_DEBUG_TRACE,
486 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
487 op->o_noop ? " (no-op)" : "",
495 send_ldap_result( conn, op, rc, NULL, text, NULL, NULL );
497 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
498 if ( rc == LDAP_SUCCESS && !noop ) {
499 LDAP_LIST_FOREACH( ps_list, &bdb->psearch_list, link ) {
500 bdb_psearch( be, conn, op, ps_list, e, LDAP_PSEARCH_BY_DELETE );
505 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
506 ldap_pvt_thread_yield();
507 TXN_CHECKPOINT( bdb->bi_dbenv,
508 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
514 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
519 op->o_private = NULL;
522 return ( ( rc == LDAP_SUCCESS ) ? noop : rc );