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:
123 text = "ldap server busy";
127 text = "internal error";
133 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
134 "<=- bdb_delete: parent does not exist\n" ));
136 Debug( LDAP_DEBUG_TRACE,
137 "<=- bdb_delete: parent does not exist\n",
141 text = "could not locate parent of entry";
145 /* check parent for "children" acl */
146 rc = access_allowed( be, conn, op, p,
147 children, NULL, ACL_WRITE, NULL );
149 bdb_cache_return_entry_r(&bdb->bi_cache, p);
152 switch( opinfo.boi_err ) {
153 case DB_LOCK_DEADLOCK:
154 case DB_LOCK_NOTGRANTED:
160 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
161 "<=- bdb_delete: no access to parent\n" ));
163 Debug( LDAP_DEBUG_TRACE,
164 "<=- bdb_delete: no access to parent\n",
167 rc = LDAP_INSUFFICIENT_ACCESS;
172 /* no parent, must be root to delete */
173 if( ! be_isroot( be, &op->o_ndn ) ) {
174 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
175 || be_isupdate( be, &op->o_ndn ) ) {
176 p = (Entry *)&slap_entry_root;
178 /* check parent for "children" acl */
179 rc = access_allowed( be, conn, op, p,
180 children, NULL, ACL_WRITE, NULL );
183 switch( opinfo.boi_err ) {
184 case DB_LOCK_DEADLOCK:
185 case DB_LOCK_NOTGRANTED:
191 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
192 "<=- bdb_delete: no access to parent\n" ));
194 Debug( LDAP_DEBUG_TRACE,
195 "<=- bdb_delete: no access "
196 "to parent\n", 0, 0, 0 );
198 rc = LDAP_INSUFFICIENT_ACCESS;
204 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
205 "<=- bdb_delete: no parent and not root\n" ));
207 Debug( LDAP_DEBUG_TRACE,
208 "<=- bdb_delete: no parent "
209 "and not root\n", 0, 0, 0);
211 rc = LDAP_INSUFFICIENT_ACCESS;
221 rc = LOCK_GET( bdb->bi_dbenv, lockid, 0, &obj,
222 DB_LOCK_WRITE, &lock);
227 /* get entry for read/modify/write */
228 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW );
234 case DB_LOCK_DEADLOCK:
235 case DB_LOCK_NOTGRANTED:
238 text = "ldap server busy";
242 text = "internal error";
247 char *matched_dn = NULL;
251 LDAP_LOG (( "delete", LDAP_LEVEL_ARGS,
252 "<=- bdb_delete: no such object %s\n",
255 Debug( LDAP_DEBUG_ARGS,
256 "<=- bdb_delete: no such object %s\n",
260 if ( matched != NULL ) {
261 matched_dn = ch_strdup( matched->e_dn );
262 refs = is_entry_referral( matched )
263 ? get_entry_referrals( be, conn, op, matched )
265 bdb_cache_return_entry_r(&bdb->bi_cache, matched );
269 refs = referral_rewrite( default_referral,
270 NULL, dn, LDAP_SCOPE_DEFAULT );
273 send_ldap_result( conn, op, LDAP_REFERRAL,
274 matched_dn, NULL, refs, NULL );
276 ber_bvarray_free( refs );
283 if ( !manageDSAit && is_entry_referral( e ) ) {
284 /* entry is a referral, don't allow delete */
285 BerVarray refs = get_entry_referrals( be,
289 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
290 "<=- bdb_delete: entry is referral\n" ));
292 Debug( LDAP_DEBUG_TRACE,
293 "bdb_delete: entry is referral\n",
297 send_ldap_result( conn, op, LDAP_REFERRAL,
298 e->e_dn, NULL, refs, NULL );
300 ber_bvarray_free( refs );
306 rc = bdb_dn2id_children( be, ltid, &e->e_nname );
307 if( rc != DB_NOTFOUND ) {
309 case DB_LOCK_DEADLOCK:
310 case DB_LOCK_NOTGRANTED:
314 LDAP_LOG (( "delete", LDAP_LEVEL_DETAIL1,
315 "<=- bdb_delete: non-leaf %s\n",
318 Debug(LDAP_DEBUG_ARGS,
319 "<=- bdb_delete: non-leaf %s\n",
322 rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
323 text = "subtree delete not supported";
327 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
328 "<=- bdb_delete: has_children failed %s (%d)\n",
329 db_strerror(rc), rc ));
331 Debug(LDAP_DEBUG_ARGS,
332 "<=- bdb_delete: has_children failed: %s (%d)\n",
333 db_strerror(rc), rc, 0 );
336 text = "internal error";
341 /* delete from dn2id */
342 rc = bdb_dn2id_delete( be, ltid, pdn.bv_val, e );
345 case DB_LOCK_DEADLOCK:
346 case DB_LOCK_NOTGRANTED:
352 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
353 "<=- bdb_delete: dn2id failed %s (%d)\n",
354 db_strerror(rc), rc ));
356 Debug(LDAP_DEBUG_ARGS,
357 "<=- bdb_delete: dn2id failed: %s (%d)\n",
358 db_strerror(rc), rc, 0 );
360 text = "DN index delete failed";
364 /* delete from id2entry */
365 rc = bdb_id2entry_delete( be, ltid, e );
368 case DB_LOCK_DEADLOCK:
369 case DB_LOCK_NOTGRANTED:
375 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
376 "<=- bdb_delete: id2entry failed: %s (%d)\n",
377 db_strerror(rc), rc ));
379 Debug(LDAP_DEBUG_ARGS,
380 "<=- bdb_delete: id2entry failed: %s (%d)\n",
381 db_strerror(rc), rc, 0 );
383 text = "entry delete failed";
387 /* delete indices for old attributes */
388 rc = bdb_index_entry_del( be, ltid, e, e->e_attrs );
389 if ( rc != LDAP_SUCCESS ) {
391 case DB_LOCK_DEADLOCK:
392 case DB_LOCK_NOTGRANTED:
398 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
399 "<=- bdb_delete: entry index delete failed!\n" ));
401 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
404 text = "entry index delete failed";
408 #if 0 /* Do we want to reclaim deleted IDs? */
409 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
410 if ( e->e_id == bdb->bi_lastid ) {
411 bdb_last_id( be, ltid );
413 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
417 rc = TXN_ABORT( ltid );
419 rc = TXN_COMMIT( ltid, 0 );
422 op->o_private = NULL;
426 LDAP_LOG (( "delete", LDAP_LEVEL_ERR,
427 "bdb_delete: txn_%s failed: %s (%d)\n",
428 op->o_noop ? "abort (no-op)" : "commit",
429 db_strerror(rc), rc ));
431 Debug( LDAP_DEBUG_TRACE,
432 "bdb_delete: txn_%s failed: %s (%d)\n",
433 op->o_noop ? "abort (no-op)" : "commit",
434 db_strerror(rc), rc );
437 text = "commit failed";
441 LDAP_LOG (( "delete", LDAP_LEVEL_RESULTS,
442 "bdb_delete: deleted%s id=%08lx db=\"%s\"\n",
443 op->o_noop ? " (no-op)" : "",
446 Debug( LDAP_DEBUG_TRACE,
447 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
448 op->o_noop ? " (no-op)" : "",
456 send_ldap_result( conn, op, rc, NULL, text, NULL, NULL );
458 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
459 ldap_pvt_thread_yield();
460 TXN_CHECKPOINT( bdb->bi_dbenv,
461 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
467 bdb_cache_return_entry_w(&bdb->bi_cache, e);
472 op->o_private = NULL;