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};
32 int manageDSAit = get_manageDSAit( op );
33 AttributeDescription *children = slap_schema.si_ad_children;
35 struct bdb_op_info opinfo;
42 LDAP_LOG (( "delete", LDAP_LEVEL_ARGS, "==> bdb_delete: %s\n",
45 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
50 retry: /* transaction retry */
52 bdb_cache_return_entry_w(&bdb->bi_cache, e);
55 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
56 "==> bdb_delete: retrying...\n" ));
58 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
61 rc = TXN_ABORT( ltid );
66 text = "internal error";
69 ldap_pvt_thread_yield();
72 /* begin transaction */
73 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
78 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
79 "==> bdb_delete: txn_begin failed: %s (%d)\n",
80 db_strerror(rc), rc ));
82 Debug( LDAP_DEBUG_TRACE,
83 "bdb_delete: txn_begin failed: %s (%d)\n",
84 db_strerror(rc), rc, 0 );
87 text = "internal error";
91 lockid = TXN_ID( ltid );
95 opinfo.boi_txn = ltid;
97 op->o_private = &opinfo;
99 if ( !be_issuffix( be, ndn ) ) {
100 dnParent( ndn, &pdn );
103 if( pdn.bv_len != 0 ) {
107 obj.data = pdn.bv_val-1;
108 obj.size = pdn.bv_len+1;
109 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
110 DB_LOCK_WRITE, &lock);
114 rc = bdb_dn2entry_r( be, ltid, &pdn, &p, NULL, 0 );
120 case DB_LOCK_DEADLOCK:
121 case DB_LOCK_NOTGRANTED:
124 text = "ldap server busy";
128 text = "internal error";
134 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
135 "<=- bdb_delete: parent does not exist\n" ));
137 Debug( LDAP_DEBUG_TRACE,
138 "<=- bdb_delete: parent does not exist\n",
142 text = "could not locate parent of entry";
146 /* check parent for "children" acl */
147 rc = access_allowed( be, conn, op, p,
148 children, NULL, ACL_WRITE, NULL );
150 bdb_cache_return_entry_r(&bdb->bi_cache, p);
153 switch( opinfo.boi_err ) {
154 case DB_LOCK_DEADLOCK:
155 case DB_LOCK_NOTGRANTED:
161 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
162 "<=- bdb_delete: no access to parent\n" ));
164 Debug( LDAP_DEBUG_TRACE,
165 "<=- bdb_delete: no access to parent\n",
168 rc = LDAP_INSUFFICIENT_ACCESS;
173 /* no parent, must be root to delete */
174 if( ! be_isroot( be, &op->o_ndn ) ) {
175 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
176 || be_isupdate( be, &op->o_ndn ) ) {
177 p = (Entry *)&slap_entry_root;
179 /* check parent for "children" acl */
180 rc = access_allowed( be, conn, op, p,
181 children, NULL, ACL_WRITE, NULL );
184 switch( opinfo.boi_err ) {
185 case DB_LOCK_DEADLOCK:
186 case DB_LOCK_NOTGRANTED:
192 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
193 "<=- bdb_delete: no access to parent\n" ));
195 Debug( LDAP_DEBUG_TRACE,
196 "<=- bdb_delete: no access "
197 "to parent\n", 0, 0, 0 );
199 rc = LDAP_INSUFFICIENT_ACCESS;
205 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
206 "<=- bdb_delete: no parent and not root\n" ));
208 Debug( LDAP_DEBUG_TRACE,
209 "<=- bdb_delete: no parent "
210 "and not root\n", 0, 0, 0);
212 rc = LDAP_INSUFFICIENT_ACCESS;
222 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
223 DB_LOCK_WRITE, &lock);
228 /* get entry for read/modify/write */
229 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW );
235 case DB_LOCK_DEADLOCK:
236 case DB_LOCK_NOTGRANTED:
239 text = "ldap server busy";
243 text = "internal error";
248 char *matched_dn = NULL;
252 LDAP_LOG (( "delete", LDAP_LEVEL_ARGS,
253 "<=- bdb_delete: no such object %s\n",
256 Debug( LDAP_DEBUG_ARGS,
257 "<=- bdb_delete: no such object %s\n",
261 if ( matched != NULL ) {
262 matched_dn = ch_strdup( matched->e_dn );
263 refs = is_entry_referral( matched )
264 ? get_entry_referrals( be, conn, op, matched )
266 bdb_cache_return_entry_r(&bdb->bi_cache, matched );
270 refs = referral_rewrite( default_referral,
271 NULL, dn, LDAP_SCOPE_DEFAULT );
274 send_ldap_result( conn, op, LDAP_REFERRAL,
275 matched_dn, NULL, refs, NULL );
277 ber_bvarray_free( refs );
284 if ( !manageDSAit && is_entry_referral( e ) ) {
285 /* entry is a referral, don't allow delete */
286 BerVarray refs = get_entry_referrals( be,
290 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
291 "<=- bdb_delete: entry is referral\n" ));
293 Debug( LDAP_DEBUG_TRACE,
294 "bdb_delete: entry is referral\n",
298 send_ldap_result( conn, op, LDAP_REFERRAL,
299 e->e_dn, NULL, refs, NULL );
301 ber_bvarray_free( refs );
307 rc = bdb_dn2id_children( be, ltid, &e->e_nname );
308 if( rc != DB_NOTFOUND ) {
310 case DB_LOCK_DEADLOCK:
311 case DB_LOCK_NOTGRANTED:
315 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
316 "<=- bdb_delete: non-leaf %s\n",
319 Debug(LDAP_DEBUG_ARGS,
320 "<=- bdb_delete: non-leaf %s\n",
323 rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
324 text = "subtree delete not supported";
328 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
329 "<=- bdb_delete: has_children failed %s (%d)\n",
330 db_strerror(rc), rc ));
332 Debug(LDAP_DEBUG_ARGS,
333 "<=- bdb_delete: has_children failed: %s (%d)\n",
334 db_strerror(rc), rc, 0 );
337 text = "internal error";
342 /* delete from dn2id */
343 rc = bdb_dn2id_delete( be, ltid, pdn.bv_val, e );
346 case DB_LOCK_DEADLOCK:
347 case DB_LOCK_NOTGRANTED:
353 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
354 "<=- bdb_delete: dn2id failed %s (%d)\n",
355 db_strerror(rc), rc ));
357 Debug(LDAP_DEBUG_ARGS,
358 "<=- bdb_delete: dn2id failed: %s (%d)\n",
359 db_strerror(rc), rc, 0 );
361 text = "DN index delete failed";
365 /* delete from id2entry */
366 rc = bdb_id2entry_delete( be, ltid, e );
369 case DB_LOCK_DEADLOCK:
370 case DB_LOCK_NOTGRANTED:
376 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
377 "<=- bdb_delete: id2entry failed: %s (%d)\n",
378 db_strerror(rc), rc ));
380 Debug(LDAP_DEBUG_ARGS,
381 "<=- bdb_delete: id2entry failed: %s (%d)\n",
382 db_strerror(rc), rc, 0 );
384 text = "entry delete failed";
388 /* delete indices for old attributes */
389 rc = bdb_index_entry_del( be, ltid, e, e->e_attrs );
390 if ( rc != LDAP_SUCCESS ) {
392 case DB_LOCK_DEADLOCK:
393 case DB_LOCK_NOTGRANTED:
399 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
400 "<=- bdb_delete: entry index delete failed!\n" ));
402 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
405 text = "entry index delete failed";
409 #if 0 /* Do we want to reclaim deleted IDs? */
410 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
411 if ( e->e_id == bdb->bi_lastid ) {
412 bdb_last_id( be, ltid );
414 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
418 rc = TXN_ABORT( ltid );
420 rc = TXN_COMMIT( ltid, 0 );
423 op->o_private = NULL;
427 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
428 "bdb_delete: txn_%s failed: %s (%d)\n",
429 op->o_noop ? "abort (no-op)" : "commit",
430 db_strerror(rc), rc ));
432 Debug( LDAP_DEBUG_TRACE,
433 "bdb_delete: txn_%s failed: %s (%d)\n",
434 op->o_noop ? "abort (no-op)" : "commit",
435 db_strerror(rc), rc );
438 text = "commit failed";
442 LDAP_LOG (( "delete", LDAP_LEVEL_RESULTS,
443 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
444 op->o_noop ? " (no-op)" : "",
447 Debug( LDAP_DEBUG_TRACE,
448 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
449 op->o_noop ? " (no-op)" : "",
457 send_ldap_result( conn, op, rc, NULL, text, NULL, NULL );
459 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
460 ldap_pvt_thread_yield();
461 TXN_CHECKPOINT( bdb->bi_dbenv,
462 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
468 bdb_cache_return_entry_w(&bdb->bi_cache, e);
473 op->o_private = NULL;