1 /* add.c - ldap BerkeleyDB back-end add routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2009 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;
29 Entry *p = NULL, *oe = op->ora_e;
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, *rtxn;
37 struct bdb_op_info opinfo = {{{ 0 }}};
44 LDAPControl **postread_ctrl = NULL;
45 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
52 Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
53 op->oq_add.rs_e->e_name.bv_val, 0, 0);
57 /* acquire connection lock */
58 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
59 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
60 rs->sr_text = "invalid transaction identifier";
61 rs->sr_err = LDAP_X_TXN_ID_INVALID;
63 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
68 if( op->o_conn->c_txn_backend == NULL ) {
69 op->o_conn->c_txn_backend = op->o_bd;
71 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
72 rs->sr_text = "transaction cannot span multiple database contexts";
73 rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
77 /* insert operation into transaction */
79 rs->sr_text = "transaction specified";
80 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
83 /* release connection lock */
84 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
87 send_ldap_result( op, rs );
95 /* check entry's schema */
96 rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
97 get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
98 if ( rs->sr_err != LDAP_SUCCESS ) {
99 Debug( LDAP_DEBUG_TRACE,
100 LDAP_XSTRING(bdb_add) ": entry failed schema check: "
101 "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
105 /* add opattrs to shadow as well, only missing attrs will actually
106 * be added; helps compatibility with older OL versions */
107 rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
108 if ( rs->sr_err != LDAP_SUCCESS ) {
109 Debug( LDAP_DEBUG_TRACE,
110 LDAP_XSTRING(bdb_add) ": entry failed op attrs add: "
111 "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
115 if ( get_assert( op ) &&
116 ( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
118 rs->sr_err = LDAP_ASSERTION_FAILED;
122 subentry = is_entry_subentry( op->oq_add.rs_e );
124 /* Get our reader TXN */
125 rs->sr_err = bdb_reader_get( op, bdb->bi_dbenv, &rtxn );
128 retry: /* transaction retry */
130 /* free parent and reader lock */
131 if ( p != (Entry *)&slap_entry_root ) {
132 bdb_unlocked_cache_return_entry_r( bdb, p );
136 rs->sr_err = TXN_ABORT( ltid );
138 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
139 opinfo.boi_oe.oe_key = NULL;
140 op->o_do_not_cache = opinfo.boi_acl_cache;
141 if( rs->sr_err != 0 ) {
142 rs->sr_err = LDAP_OTHER;
143 rs->sr_text = "internal error";
146 if ( op->o_abandon ) {
147 rs->sr_err = SLAPD_ABANDON;
150 bdb_trans_backoff( ++num_retries );
153 /* begin transaction */
154 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
155 bdb->bi_db_opflags );
157 if( rs->sr_err != 0 ) {
158 Debug( LDAP_DEBUG_TRACE,
159 LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
160 db_strerror(rs->sr_err), rs->sr_err, 0 );
161 rs->sr_err = LDAP_OTHER;
162 rs->sr_text = "internal error";
166 opinfo.boi_oe.oe_key = bdb;
167 opinfo.boi_txn = ltid;
169 opinfo.boi_acl_cache = op->o_do_not_cache;
170 LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );
173 * Get the parent dn and see if the corresponding entry exists.
175 if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
178 dnParent( &op->oq_add.rs_e->e_nname, &pdn );
181 /* get entry or parent */
182 rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
184 switch( rs->sr_err ) {
186 rs->sr_err = LDAP_ALREADY_EXISTS;
190 case DB_LOCK_DEADLOCK:
191 case DB_LOCK_NOTGRANTED:
194 rs->sr_text = "ldap server busy";
197 rs->sr_err = LDAP_OTHER;
198 rs->sr_text = "internal error";
204 p = (Entry *)&slap_entry_root;
206 if ( !bvmatch( &pdn, &p->e_nname ) ) {
207 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
209 rs->sr_ref = is_entry_referral( p )
210 ? get_entry_referrals( op, p )
212 bdb_unlocked_cache_return_entry_r( bdb, p );
214 Debug( LDAP_DEBUG_TRACE,
215 LDAP_XSTRING(bdb_add) ": parent "
216 "does not exist\n", 0, 0, 0 );
218 rs->sr_err = LDAP_REFERRAL;
219 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
223 rs->sr_err = access_allowed( op, p,
224 children, NULL, ACL_WADD, NULL );
226 if ( ! rs->sr_err ) {
227 switch( opinfo.boi_err ) {
228 case DB_LOCK_DEADLOCK:
229 case DB_LOCK_NOTGRANTED:
233 Debug( LDAP_DEBUG_TRACE,
234 LDAP_XSTRING(bdb_add) ": no write access to parent\n",
236 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
237 rs->sr_text = "no write access to parent";
238 goto return_results;;
241 if ( p != (Entry *)&slap_entry_root ) {
242 if ( is_entry_subentry( p ) ) {
243 /* parent is a subentry, don't allow add */
244 Debug( LDAP_DEBUG_TRACE,
245 LDAP_XSTRING(bdb_add) ": parent is subentry\n",
247 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
248 rs->sr_text = "parent is a subentry";
249 goto return_results;;
252 if ( is_entry_alias( p ) ) {
253 /* parent is an alias, don't allow add */
254 Debug( LDAP_DEBUG_TRACE,
255 LDAP_XSTRING(bdb_add) ": parent is alias\n",
257 rs->sr_err = LDAP_ALIAS_PROBLEM;
258 rs->sr_text = "parent is an alias";
259 goto return_results;;
262 if ( is_entry_referral( p ) ) {
263 /* parent is a referral, don't allow add */
264 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
266 rs->sr_ref = get_entry_referrals( op, p );
267 bdb_unlocked_cache_return_entry_r( bdb, p );
269 Debug( LDAP_DEBUG_TRACE,
270 LDAP_XSTRING(bdb_add) ": parent is referral\n",
273 rs->sr_err = LDAP_REFERRAL;
274 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
282 /* parent must be an administrative point of the required kind */
285 /* free parent and reader lock */
286 if ( p != (Entry *)&slap_entry_root ) {
287 if ( p->e_nname.bv_len ) {
290 /* ITS#5326: use parent's DN if differs from provided one */
291 dnParent( &op->ora_e->e_name, &ppdn );
292 if ( !dn_match( &p->e_name, &ppdn ) ) {
296 dnRdn( &op->ora_e->e_name, &rdn );
298 build_new_dn( &newdn, &p->e_name, &rdn, NULL );
299 ber_memfree( op->ora_e->e_name.bv_val );
300 op->ora_e->e_name = newdn;
302 /* FIXME: should check whether
303 * dnNormalize(newdn) == e->e_nname ... */
307 bdb_unlocked_cache_return_entry_r( bdb, p );
311 rs->sr_err = access_allowed( op, op->oq_add.rs_e,
312 entry, NULL, ACL_WADD, NULL );
314 if ( ! rs->sr_err ) {
315 switch( opinfo.boi_err ) {
316 case DB_LOCK_DEADLOCK:
317 case DB_LOCK_NOTGRANTED:
321 Debug( LDAP_DEBUG_TRACE,
322 LDAP_XSTRING(bdb_add) ": no write access to entry\n",
324 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
325 rs->sr_text = "no write access to entry";
326 goto return_results;;
330 * Check ACL for attribute write access
332 if (!acl_check_modlist(op, oe, op->ora_modlist)) {
333 switch( opinfo.boi_err ) {
334 case DB_LOCK_DEADLOCK:
335 case DB_LOCK_NOTGRANTED:
339 Debug( LDAP_DEBUG_TRACE,
340 LDAP_XSTRING(bdb_add) ": no write access to attribute\n",
342 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
343 rs->sr_text = "no write access to attribute";
344 goto return_results;;
348 rs->sr_err = bdb_next_id( op->o_bd, &eid );
349 if( rs->sr_err != 0 ) {
350 Debug( LDAP_DEBUG_TRACE,
351 LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
353 rs->sr_err = LDAP_OTHER;
354 rs->sr_text = "internal error";
357 op->oq_add.rs_e->e_id = eid;
360 /* nested transaction */
361 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
362 bdb->bi_db_opflags );
364 if( rs->sr_err != 0 ) {
365 Debug( LDAP_DEBUG_TRACE,
366 LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
367 "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
368 rs->sr_err = LDAP_OTHER;
369 rs->sr_text = "internal error";
374 rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
375 if ( rs->sr_err != 0 ) {
376 Debug( LDAP_DEBUG_TRACE,
377 LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
378 db_strerror(rs->sr_err), rs->sr_err, 0 );
380 switch( rs->sr_err ) {
381 case DB_LOCK_DEADLOCK:
382 case DB_LOCK_NOTGRANTED:
385 rs->sr_err = LDAP_ALREADY_EXISTS;
388 rs->sr_err = LDAP_OTHER;
393 /* attribute indexes */
394 rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
395 if ( rs->sr_err != LDAP_SUCCESS ) {
396 Debug( LDAP_DEBUG_TRACE,
397 LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
399 switch( rs->sr_err ) {
400 case DB_LOCK_DEADLOCK:
401 case DB_LOCK_NOTGRANTED:
404 rs->sr_err = LDAP_OTHER;
406 rs->sr_text = "index generation failed";
411 rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
412 if ( rs->sr_err != 0 ) {
413 Debug( LDAP_DEBUG_TRACE,
414 LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
416 switch( rs->sr_err ) {
417 case DB_LOCK_DEADLOCK:
418 case DB_LOCK_NOTGRANTED:
421 rs->sr_err = LDAP_OTHER;
423 rs->sr_text = "entry store failed";
427 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
428 rs->sr_err = LDAP_OTHER;
429 rs->sr_text = "txn_commit(2) failed";
434 if( op->o_postread ) {
435 if( postread_ctrl == NULL ) {
436 postread_ctrl = &ctrls[num_ctrls++];
437 ctrls[num_ctrls] = NULL;
439 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
440 &slap_post_read_bv, postread_ctrl ) )
442 Debug( LDAP_DEBUG_TRACE,
443 "<=- " LDAP_XSTRING(bdb_add) ": post-read "
444 "failed!\n", 0, 0, 0 );
445 if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
446 /* FIXME: is it correct to abort
447 * operation if control fails? */
454 if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
455 rs->sr_text = "txn_abort (no-op) failed";
457 rs->sr_err = LDAP_X_NO_OPERATION;
465 /* pick the RDN if not suffix; otherwise pick the entire DN */
467 nrdn.bv_val = op->ora_e->e_nname.bv_val;
468 nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
470 nrdn = op->ora_e->e_nname;
473 /* Use the reader txn here, outside the add txn */
474 bdb_cache_add( bdb, ei, op->ora_e, &nrdn, rtxn, &lock );
476 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
477 rs->sr_text = "txn_commit failed";
479 rs->sr_err = LDAP_SUCCESS;
484 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
485 opinfo.boi_oe.oe_key = NULL;
487 if ( rs->sr_err != LDAP_SUCCESS ) {
488 Debug( LDAP_DEBUG_TRACE,
489 LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
490 rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
491 rs->sr_err = LDAP_OTHER;
495 Debug(LDAP_DEBUG_TRACE,
496 LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
497 op->o_noop ? " (no-op)" : "",
498 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
501 if( num_ctrls ) rs->sr_ctrls = ctrls;
504 success = rs->sr_err;
505 send_ldap_result( op, rs );
506 slap_graduate_commit_csn( op );
511 if ( opinfo.boi_oe.oe_key ) {
512 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
515 if( success == LDAP_SUCCESS ) {
516 /* We own the entry now, and it can be purged at will
517 * Check to make sure it's the same entry we entered with.
518 * Possibly a callback may have mucked with it, although
519 * in general callbacks should treat the entry as read-only.
521 bdb_cache_return_entry_r( bdb, oe, &lock );
522 if ( op->ora_e == oe )
525 if ( bdb->bi_txn_cp_kbyte ) {
526 TXN_CHECKPOINT( bdb->bi_dbenv,
527 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
531 if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
532 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
533 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );