1 /* delete.c - bdb backend delete routine */
4 * Copyright 1998-2000 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;
31 int manageDSAit = get_manageDSAit( op );
32 AttributeDescription *children = slap_schema.si_ad_children;
34 struct bdb_op_info opinfo;
36 Debug( LDAP_DEBUG_ARGS, "==> bdb_delete: %s\n",
40 retry: /* transaction retry */
41 Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
43 rc = txn_abort( ltid );
48 text = "internal error";
54 /* begin transaction */
55 rc = txn_begin( bdb->bi_dbenv, NULL, <id,
59 Debug( LDAP_DEBUG_TRACE,
60 "bdb_delete: txn_begin failed: %s (%d)\n",
61 db_strerror(rc), rc, 0 );
63 text = "internal error";
69 opinfo.boi_txn = ltid;
71 op->o_private = &opinfo;
73 /* get entry for read/modify/write */
74 rc = bdb_dn2entry( be, ltid, ndn, &e, &matched, DB_RMW );
80 case DB_LOCK_DEADLOCK:
81 case DB_LOCK_NOTGRANTED:
85 text = "internal error";
90 char *matched_dn = NULL;
93 Debug( LDAP_DEBUG_ARGS,
94 "<=- bdb_delete: no such object %s\n",
97 if ( matched != NULL ) {
98 matched_dn = ch_strdup( matched->e_dn );
99 refs = is_entry_referral( matched )
100 ? get_entry_referrals( be, conn, op, matched )
102 bdb_entry_return( be, matched );
106 refs = referral_rewrite( default_referral,
107 NULL, dn, LDAP_SCOPE_DEFAULT );
110 send_ldap_result( conn, op, LDAP_REFERRAL,
111 matched_dn, NULL, refs, NULL );
113 ber_bvecfree( refs );
120 pdn = dn_parent( be, ndn->bv_val );
122 if( pdn != NULL && *pdn != '\0' ) {
125 pbv.bv_len = ndn->bv_len - (pdn - ndn->bv_val);
128 rc = bdb_dn2entry( be, ltid, &pbv, &p, NULL, 0 );
134 case DB_LOCK_DEADLOCK:
135 case DB_LOCK_NOTGRANTED:
139 text = "internal error";
144 Debug( LDAP_DEBUG_TRACE,
145 "<=- bdb_delete: parent does not exist\n",
148 text = "could not locate parent of entry";
152 /* check parent for "children" acl */
153 rc = access_allowed( be, conn, op, p,
154 children, NULL, ACL_WRITE );
156 bdb_entry_return( be, p );
160 Debug( LDAP_DEBUG_TRACE,
161 "<=- bdb_delete: no access to parent\n",
163 rc = LDAP_INSUFFICIENT_ACCESS;
168 /* no parent, must be root to delete */
169 if( ! be_isroot( be, &op->o_ndn ) ) {
170 if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
171 p = (Entry *)&slap_entry_root;
173 /* check parent for "children" acl */
174 rc = access_allowed( be, conn, op, p,
175 children, NULL, ACL_WRITE );
179 Debug( LDAP_DEBUG_TRACE,
180 "<=- bdb_delete: no access "
181 "to parent\n", 0, 0, 0 );
182 rc = LDAP_INSUFFICIENT_ACCESS;
187 Debug( LDAP_DEBUG_TRACE,
188 "<=- bdb_delete: no parent "
189 "and not root\n", 0, 0, 0);
190 rc = LDAP_INSUFFICIENT_ACCESS;
196 if ( !manageDSAit && is_entry_referral( e ) ) {
197 /* parent is a referral, don't allow add */
198 /* parent is an alias, don't allow add */
199 struct berval **refs = get_entry_referrals( be,
202 Debug( LDAP_DEBUG_TRACE,
203 "bdb_delete: entry is referral\n",
206 send_ldap_result( conn, op, LDAP_REFERRAL,
207 e->e_dn, NULL, refs, NULL );
209 ber_bvecfree( refs );
215 rc = bdb_dn2id_children( be, ltid, &e->e_nname );
216 if( rc != DB_NOTFOUND ) {
218 case DB_LOCK_DEADLOCK:
219 case DB_LOCK_NOTGRANTED:
222 Debug(LDAP_DEBUG_ARGS,
223 "<=- bdb_delete: non-leaf %s\n",
225 rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
226 text = "subtree delete not supported";
229 Debug(LDAP_DEBUG_ARGS,
230 "<=- bdb_delete: has_children failed: %s (%d)\n",
231 db_strerror(rc), rc, 0 );
233 text = "internal error";
238 /* delete from dn2id */
239 rc = bdb_dn2id_delete( be, ltid, pdn, e );
242 case DB_LOCK_DEADLOCK:
243 case DB_LOCK_NOTGRANTED:
248 Debug(LDAP_DEBUG_ARGS,
249 "<=- bdb_delete: dn2id failed: %s (%d)\n",
250 db_strerror(rc), rc, 0 );
251 text = "DN index delete failed";
255 /* delete indices for old attributes */
256 rc = bdb_index_entry_del( be, ltid, e, e->e_attrs );
257 if ( rc != LDAP_SUCCESS ) {
259 case DB_LOCK_DEADLOCK:
260 case DB_LOCK_NOTGRANTED:
265 Debug( LDAP_DEBUG_ANY, "entry index delete failed!\n",
267 text = "entry index delete failed";
271 /* delete from id2entry */
272 rc = bdb_id2entry_delete( be, ltid, e->e_id );
275 case DB_LOCK_DEADLOCK:
276 case DB_LOCK_NOTGRANTED:
281 Debug(LDAP_DEBUG_ARGS,
282 "<=- bdb_delete: id2entry failed: %s (%d)\n",
283 db_strerror(rc), rc, 0 );
284 text = "entry delete failed";
289 #if 0 /* Do we want to reclaim deleted IDs? */
290 ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
291 if ( e->e_id == bdb->bi_lastid ) {
292 bdb_last_id( be, ltid );
294 ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
298 rc = txn_commit( ltid, 0 );
301 op->o_private = NULL;
304 Debug( LDAP_DEBUG_TRACE,
305 "bdb_delete: txn_commit failed: %s (%d)\n",
306 db_strerror(rc), rc, 0 );
308 text = "commit failed";
311 Debug( LDAP_DEBUG_TRACE,
312 "bdb_delete: deleted id=%08lx dn=\"%s\"\n",
313 e->e_id, e->e_dn, 0 );
319 send_ldap_result( conn, op, LDAP_SUCCESS,
320 NULL, text, NULL, NULL );
322 if(rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
323 ldap_pvt_thread_yield();
324 TXN_CHECKPOINT( bdb->bi_dbenv,
325 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
331 bdb_entry_return( be, e );
336 op->o_private = NULL;