1 /* add.c - ldap BerkeleyDB back-end add routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2005 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
25 bdb_add(Operation *op, SlapReply *rs )
27 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
31 char textbuf[SLAP_TEXT_BUFLEN];
32 size_t textlen = sizeof textbuf;
33 AttributeDescription *children = slap_schema.si_ad_children;
34 AttributeDescription *entry = slap_schema.si_ad_entry;
35 DB_TXN *ltid = NULL, *lt2;
36 struct bdb_op_info opinfo = {0};
45 LDAPControl **postread_ctrl = NULL;
46 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
49 Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
50 op->oq_add.rs_e->e_name.bv_val, 0, 0);
54 /* check entry's schema */
55 rs->sr_err = entry_schema_check( op->o_bd, op->oq_add.rs_e,
56 NULL, &rs->sr_text, textbuf, textlen );
57 if ( rs->sr_err != LDAP_SUCCESS ) {
58 Debug( LDAP_DEBUG_TRACE,
59 LDAP_XSTRING(bdb_add) ": entry failed schema check: "
60 "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
65 subentry = is_entry_subentry( op->oq_add.rs_e );
69 * acquire an ID outside of the operation transaction
70 * to avoid serializing adds.
72 rs->sr_err = bdb_next_id( op->o_bd, NULL, &op->oq_add.rs_e->e_id );
73 if( rs->sr_err != 0 ) {
74 Debug( LDAP_DEBUG_TRACE,
75 LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
77 rs->sr_err = LDAP_OTHER;
78 rs->sr_text = "internal error";
83 retry: /* transaction retry */
85 /* free parent and reader lock */
86 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
89 rs->sr_err = TXN_ABORT( ltid );
92 op->o_do_not_cache = opinfo.boi_acl_cache;
93 if( rs->sr_err != 0 ) {
94 rs->sr_err = LDAP_OTHER;
95 rs->sr_text = "internal error";
98 if ( op->o_abandon ) {
99 rs->sr_err = SLAPD_ABANDON;
102 ldap_pvt_thread_yield();
103 bdb_trans_backoff( ++num_retries );
106 /* begin transaction */
107 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
108 bdb->bi_db_opflags );
110 if( rs->sr_err != 0 ) {
111 Debug( LDAP_DEBUG_TRACE,
112 LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
113 db_strerror(rs->sr_err), rs->sr_err, 0 );
114 rs->sr_err = LDAP_OTHER;
115 rs->sr_text = "internal error";
119 locker = TXN_ID ( ltid );
121 opinfo.boi_bdb = op->o_bd;
122 opinfo.boi_txn = ltid;
123 opinfo.boi_locker = locker;
125 opinfo.boi_acl_cache = op->o_do_not_cache;
126 op->o_private = &opinfo;
129 * Get the parent dn and see if the corresponding entry exists.
131 if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
134 dnParent( &op->oq_add.rs_e->e_nname, &pdn );
137 /* get entry or parent */
138 rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
140 switch( rs->sr_err ) {
142 rs->sr_err = LDAP_ALREADY_EXISTS;
146 case DB_LOCK_DEADLOCK:
147 case DB_LOCK_NOTGRANTED:
150 rs->sr_text = "ldap server busy";
153 rs->sr_err = LDAP_OTHER;
154 rs->sr_text = "internal error";
160 if ( !bvmatch( &pdn, &p->e_nname ) ) {
161 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
163 rs->sr_ref = is_entry_referral( p )
164 ? get_entry_referrals( op, p )
166 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
168 Debug( LDAP_DEBUG_TRACE,
169 LDAP_XSTRING(bdb_add) ": parent "
170 "does not exist\n", 0, 0, 0 );
172 rs->sr_err = LDAP_REFERRAL;
173 send_ldap_result( op, rs );
175 ber_bvarray_free( rs->sr_ref );
176 op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
178 rs->sr_matched = NULL;
183 rs->sr_err = access_allowed( op, p,
184 children, NULL, ACL_WADD, NULL );
186 if ( ! rs->sr_err ) {
187 switch( opinfo.boi_err ) {
188 case DB_LOCK_DEADLOCK:
189 case DB_LOCK_NOTGRANTED:
193 Debug( LDAP_DEBUG_TRACE,
194 LDAP_XSTRING(bdb_add) ": no write access "
195 "to parent\n", 0, 0, 0 );
196 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
197 rs->sr_text = "no write access to parent";
198 goto return_results;;
201 #ifdef BDB_SUBENTRIES
202 if ( is_entry_subentry( p ) ) {
203 /* parent is a subentry, don't allow add */
204 Debug( LDAP_DEBUG_TRACE,
205 LDAP_XSTRING(bdb_add) ": parent is subentry\n",
207 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
208 rs->sr_text = "parent is a subentry";
209 goto return_results;;
212 if ( is_entry_alias( p ) ) {
213 /* parent is an alias, don't allow add */
214 Debug( LDAP_DEBUG_TRACE,
215 LDAP_XSTRING(bdb_add) ": parent is alias\n",
217 rs->sr_err = LDAP_ALIAS_PROBLEM;
218 rs->sr_text = "parent is an alias";
219 goto return_results;;
222 if ( is_entry_referral( p ) ) {
223 /* parent is a referral, don't allow add */
224 rs->sr_matched = p->e_name.bv_val;
225 rs->sr_ref = get_entry_referrals( op, p );
227 Debug( LDAP_DEBUG_TRACE,
228 LDAP_XSTRING(bdb_add) ": parent is referral\n",
231 rs->sr_err = LDAP_REFERRAL;
232 send_ldap_result( op, rs );
234 ber_bvarray_free( rs->sr_ref );
235 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
237 rs->sr_matched = NULL;
242 #ifdef BDB_SUBENTRIES
245 /* parent must be an administrative point of the required kind */
249 /* free parent and reader lock */
250 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
256 * if not attempting to add entry at suffix or with parent ""
258 if ((( !be_isroot( op ) && !be_shadow_update(op) )
259 || pdn.bv_len > 0 ) && !is_entry_glue( op->oq_add.rs_e ))
261 Debug( LDAP_DEBUG_TRACE,
262 LDAP_XSTRING(bdb_add) ": %s denied\n",
263 pdn.bv_len == 0 ? "suffix" : "entry at root",
265 rs->sr_err = LDAP_NO_SUCH_OBJECT;
270 if ( get_assert( op ) &&
271 ( test_filter( op, op->oq_add.rs_e, get_assertion( op ))
272 != LDAP_COMPARE_TRUE ))
274 rs->sr_err = LDAP_ASSERTION_FAILED;
278 rs->sr_err = access_allowed( op, op->oq_add.rs_e,
279 entry, NULL, ACL_WADD, NULL );
281 if ( ! rs->sr_err ) {
282 switch( opinfo.boi_err ) {
283 case DB_LOCK_DEADLOCK:
284 case DB_LOCK_NOTGRANTED:
288 Debug( LDAP_DEBUG_TRACE,
289 LDAP_XSTRING(bdb_add) ": no write access to entry\n",
291 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
292 rs->sr_text = "no write access to entry";
293 goto return_results;;
296 /* nested transaction */
297 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
298 bdb->bi_db_opflags );
300 if( rs->sr_err != 0 ) {
301 Debug( LDAP_DEBUG_TRACE,
302 LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
303 "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
304 rs->sr_err = LDAP_OTHER;
305 rs->sr_text = "internal error";
310 rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
311 if ( rs->sr_err != 0 ) {
312 Debug( LDAP_DEBUG_TRACE,
313 LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
314 db_strerror(rs->sr_err), rs->sr_err, 0 );
316 switch( rs->sr_err ) {
317 case DB_LOCK_DEADLOCK:
318 case DB_LOCK_NOTGRANTED:
321 rs->sr_err = LDAP_ALREADY_EXISTS;
324 rs->sr_err = LDAP_OTHER;
330 rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
331 if ( rs->sr_err != 0 ) {
332 Debug( LDAP_DEBUG_TRACE,
333 LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
335 switch( rs->sr_err ) {
336 case DB_LOCK_DEADLOCK:
337 case DB_LOCK_NOTGRANTED:
340 rs->sr_err = LDAP_OTHER;
342 rs->sr_text = "entry store failed";
346 /* attribute indexes */
347 rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
348 if ( rs->sr_err != LDAP_SUCCESS ) {
349 Debug( LDAP_DEBUG_TRACE,
350 LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
352 switch( rs->sr_err ) {
353 case DB_LOCK_DEADLOCK:
354 case DB_LOCK_NOTGRANTED:
357 rs->sr_err = LDAP_OTHER;
359 rs->sr_text = "index generation failed";
362 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
363 rs->sr_err = LDAP_OTHER;
364 rs->sr_text = "txn_commit(2) failed";
369 if( op->o_postread ) {
370 if( postread_ctrl == NULL ) {
371 postread_ctrl = &ctrls[num_ctrls++];
372 ctrls[num_ctrls] = NULL;
374 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
375 &slap_post_read_bv, postread_ctrl ) )
377 Debug( LDAP_DEBUG_TRACE,
378 "<=- " LDAP_XSTRING(bdb_add) ": post-read "
379 "failed!\n", 0, 0, 0 );
385 if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
386 rs->sr_text = "txn_abort (no-op) failed";
388 rs->sr_err = LDAP_NO_OPERATION;
394 Entry *e = entry_dup( op->ora_e );
397 nrdn.bv_val = e->e_nname.bv_val;
398 nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
403 bdb_cache_add( bdb, ei, e, &nrdn, locker );
405 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
406 rs->sr_text = "txn_commit failed";
408 rs->sr_err = LDAP_SUCCESS;
413 op->o_private = NULL;
415 if ( rs->sr_err != LDAP_SUCCESS ) {
416 Debug( LDAP_DEBUG_TRACE,
417 LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
418 rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
419 rs->sr_err = LDAP_OTHER;
423 Debug(LDAP_DEBUG_TRACE,
424 LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
425 op->o_noop ? " (no-op)" : "",
426 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
429 if( num_ctrls ) rs->sr_ctrls = ctrls;
432 send_ldap_result( op, rs );
434 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
435 ldap_pvt_thread_yield();
436 TXN_CHECKPOINT( bdb->bi_dbenv,
437 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
443 op->o_private = NULL;
446 if( postread_ctrl != NULL ) {
447 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
448 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );