1 /* delete.c - bdb backend delete routine */
4 * Copyright 1998-2002 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};
31 int manageDSAit = get_manageDSAit( op );
32 AttributeDescription *children = slap_schema.si_ad_children;
34 struct bdb_op_info opinfo;
41 LDAP_LOG (( "delete", LDAP_LEVEL_ARGS, "==> bdb_delete: %s\n",
44 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
49 retry: /* transaction retry */
51 bdb_cache_return_entry_w(&bdb->bi_cache, e);
54 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
55 "==> bdb_delete: retrying...\n" ));
57 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
60 rc = TXN_ABORT( ltid );
65 text = "internal error";
68 ldap_pvt_thread_yield();
71 /* begin transaction */
72 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
77 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
78 "==> bdb_delete: txn_begin failed: %s (%d)\n",
79 db_strerror(rc), rc ));
81 Debug( LDAP_DEBUG_TRACE,
82 "bdb_delete: txn_begin failed: %s (%d)\n",
83 db_strerror(rc), rc, 0 );
86 text = "internal error";
90 lockid = TXN_ID( ltid );
94 opinfo.boi_txn = ltid;
96 op->o_private = &opinfo;
98 if ( !be_issuffix( be, ndn ) ) {
99 dnParent( ndn, &pdn );
102 if( pdn.bv_len != 0 ) {
106 obj.data = pdn.bv_val-1;
107 obj.size = pdn.bv_len+1;
108 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
109 DB_LOCK_WRITE, &lock);
113 rc = bdb_dn2entry_r( be, ltid, &pdn, &p, NULL, 0 );
119 case DB_LOCK_DEADLOCK:
120 case DB_LOCK_NOTGRANTED:
124 text = "internal error";
130 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
131 "<=- bdb_delete: parent does not exist\n" ));
133 Debug( LDAP_DEBUG_TRACE,
134 "<=- bdb_delete: parent does not exist\n",
138 text = "could not locate parent of entry";
142 /* check parent for "children" acl */
143 rc = access_allowed( be, conn, op, p,
144 children, NULL, ACL_WRITE, NULL );
146 bdb_cache_return_entry_r(&bdb->bi_cache, p);
149 switch( opinfo.boi_err ) {
150 case DB_LOCK_DEADLOCK:
151 case DB_LOCK_NOTGRANTED:
157 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
158 "<=- bdb_delete: no access to parent\n" ));
160 Debug( LDAP_DEBUG_TRACE,
161 "<=- bdb_delete: no access to parent\n",
164 rc = LDAP_INSUFFICIENT_ACCESS;
169 /* no parent, must be root to delete */
170 if( ! be_isroot( be, &op->o_ndn ) ) {
171 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
172 || be_isupdate( be, &op->o_ndn ) ) {
173 p = (Entry *)&slap_entry_root;
175 /* check parent for "children" acl */
176 rc = access_allowed( be, conn, op, p,
177 children, NULL, ACL_WRITE, NULL );
180 switch( opinfo.boi_err ) {
181 case DB_LOCK_DEADLOCK:
182 case DB_LOCK_NOTGRANTED:
188 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
189 "<=- bdb_delete: no access to parent\n" ));
191 Debug( LDAP_DEBUG_TRACE,
192 "<=- bdb_delete: no access "
193 "to parent\n", 0, 0, 0 );
195 rc = LDAP_INSUFFICIENT_ACCESS;
201 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
202 "<=- bdb_delete: no parent and not root\n" ));
204 Debug( LDAP_DEBUG_TRACE,
205 "<=- bdb_delete: no parent "
206 "and not root\n", 0, 0, 0);
208 rc = LDAP_INSUFFICIENT_ACCESS;
218 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
219 DB_LOCK_WRITE, &lock);
224 /* get entry for read/modify/write */
225 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW );
231 case DB_LOCK_DEADLOCK:
232 case DB_LOCK_NOTGRANTED:
236 text = "internal error";
241 char *matched_dn = NULL;
245 LDAP_LOG (( "delete", LDAP_LEVEL_ARGS,
246 "<=- bdb_delete: no such object %s\n",
249 Debug( LDAP_DEBUG_ARGS,
250 "<=- bdb_delete: no such object %s\n",
254 if ( matched != NULL ) {
255 matched_dn = ch_strdup( matched->e_dn );
256 refs = is_entry_referral( matched )
257 ? get_entry_referrals( be, conn, op, matched )
259 bdb_cache_return_entry_r(&bdb->bi_cache, matched );
263 refs = referral_rewrite( default_referral,
264 NULL, dn, LDAP_SCOPE_DEFAULT );
267 send_ldap_result( conn, op, LDAP_REFERRAL,
268 matched_dn, NULL, refs, NULL );
270 ber_bvarray_free( refs );
277 if ( !manageDSAit && is_entry_referral( e ) ) {
278 /* entry is a referral, don't allow delete */
279 BerVarray refs = get_entry_referrals( be,
283 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
284 "<=- bdb_delete: entry is referral\n" ));
286 Debug( LDAP_DEBUG_TRACE,
287 "bdb_delete: entry is referral\n",
291 send_ldap_result( conn, op, LDAP_REFERRAL,
292 e->e_dn, NULL, refs, NULL );
294 ber_bvarray_free( refs );
300 rc = bdb_dn2id_children( be, ltid, &e->e_nname );
301 if( rc != DB_NOTFOUND ) {
303 case DB_LOCK_DEADLOCK:
304 case DB_LOCK_NOTGRANTED:
308 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
309 "<=- bdb_delete: non-leaf %s\n",
312 Debug(LDAP_DEBUG_ARGS,
313 "<=- bdb_delete: non-leaf %s\n",
316 rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
317 text = "subtree delete not supported";
321 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
322 "<=- bdb_delete: has_children failed %s (%d)\n",
323 db_strerror(rc), rc ));
325 Debug(LDAP_DEBUG_ARGS,
326 "<=- bdb_delete: has_children failed: %s (%d)\n",
327 db_strerror(rc), rc, 0 );
330 text = "internal error";
335 /* delete from dn2id */
336 rc = bdb_dn2id_delete( be, ltid, pdn.bv_val, e );
339 case DB_LOCK_DEADLOCK:
340 case DB_LOCK_NOTGRANTED:
346 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
347 "<=- bdb_delete: dn2id failed %s (%d)\n",
348 db_strerror(rc), rc ));
350 Debug(LDAP_DEBUG_ARGS,
351 "<=- bdb_delete: dn2id failed: %s (%d)\n",
352 db_strerror(rc), rc, 0 );
354 text = "DN index delete failed";
358 /* delete from id2entry */
359 rc = bdb_id2entry_delete( be, ltid, e );
362 case DB_LOCK_DEADLOCK:
363 case DB_LOCK_NOTGRANTED:
369 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
370 "<=- bdb_delete: id2entry failed: %s (%d)\n",
371 db_strerror(rc), rc ));
373 Debug(LDAP_DEBUG_ARGS,
374 "<=- bdb_delete: id2entry failed: %s (%d)\n",
375 db_strerror(rc), rc, 0 );
377 text = "entry delete failed";
381 /* delete indices for old attributes */
382 rc = bdb_index_entry_del( be, ltid, e, e->e_attrs );
383 if ( rc != LDAP_SUCCESS ) {
385 case DB_LOCK_DEADLOCK:
386 case DB_LOCK_NOTGRANTED:
392 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
393 "<=- bdb_delete: entry index delete failed!\n" ));
395 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
398 text = "entry index delete failed";
402 #if 0 /* Do we want to reclaim deleted IDs? */
403 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
404 if ( e->e_id == bdb->bi_lastid ) {
405 bdb_last_id( be, ltid );
407 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
411 rc = TXN_ABORT( ltid );
413 rc = TXN_COMMIT( ltid, 0 );
416 op->o_private = NULL;
420 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
421 "bdb_delete: txn_%s failed: %s (%d)\n",
422 op->o_noop ? "abort (no-op)" : "commit",
423 db_strerror(rc), rc ));
425 Debug( LDAP_DEBUG_TRACE,
426 "bdb_delete: txn_%s failed: %s (%d)\n",
427 op->o_noop ? "abort (no-op)" : "commit",
428 db_strerror(rc), rc );
431 text = "commit failed";
435 LDAP_LOG (( "delete", LDAP_LEVEL_RESULTS,
436 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
437 op->o_noop ? " (no-op)" : "",
440 Debug( LDAP_DEBUG_TRACE,
441 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
442 op->o_noop ? " (no-op)" : "",
450 send_ldap_result( conn, op, rc, NULL, text, NULL, NULL );
452 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
453 ldap_pvt_thread_yield();
454 TXN_CHECKPOINT( bdb->bi_dbenv,
455 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
461 bdb_cache_return_entry_w(&bdb->bi_cache, e);
466 op->o_private = NULL;