1 /* add.c - ldap BerkeleyDB back-end add routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2006 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;
36 struct bdb_op_info opinfo = {0};
43 LDAPControl **postread_ctrl = NULL;
44 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
51 Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
52 op->oq_add.rs_e->e_name.bv_val, 0, 0);
56 /* acquire connection lock */
57 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
58 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
59 rs->sr_text = "invalid transaction identifier";
60 rs->sr_err = LDAP_X_TXN_ID_INVALID;
62 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
67 if( op->o_conn->c_txn_backend == NULL ) {
68 op->o_conn->c_txn_backend = op->o_bd;
70 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
71 rs->sr_text = "transaction cannot span multiple database contexts";
72 rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
76 /* insert operation into transaction */
78 rs->sr_text = "transaction specified";
79 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
82 /* release connection lock */
83 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
86 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, &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 subentry = is_entry_subentry( op->oq_add.rs_e );
118 * acquire an ID outside of the operation transaction
119 * to avoid serializing adds.
121 rs->sr_err = bdb_next_id( op->o_bd, NULL, &op->oq_add.rs_e->e_id );
122 if( rs->sr_err != 0 ) {
123 Debug( LDAP_DEBUG_TRACE,
124 LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
126 rs->sr_err = LDAP_OTHER;
127 rs->sr_text = "internal error";
132 retry: /* transaction retry */
134 /* free parent and reader lock */
135 if ( p != (Entry *)&slap_entry_root ) {
136 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
140 rs->sr_err = TXN_ABORT( ltid );
142 op->o_private = NULL;
143 op->o_do_not_cache = opinfo.boi_acl_cache;
144 if( rs->sr_err != 0 ) {
145 rs->sr_err = LDAP_OTHER;
146 rs->sr_text = "internal error";
149 if ( op->o_abandon ) {
150 rs->sr_err = SLAPD_ABANDON;
153 bdb_trans_backoff( ++num_retries );
156 /* begin transaction */
157 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
158 bdb->bi_db_opflags );
160 if( rs->sr_err != 0 ) {
161 Debug( LDAP_DEBUG_TRACE,
162 LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
163 db_strerror(rs->sr_err), rs->sr_err, 0 );
164 rs->sr_err = LDAP_OTHER;
165 rs->sr_text = "internal error";
169 locker = TXN_ID ( ltid );
171 opinfo.boi_bdb = op->o_bd;
172 opinfo.boi_txn = ltid;
173 opinfo.boi_locker = locker;
175 opinfo.boi_acl_cache = op->o_do_not_cache;
176 op->o_private = &opinfo;
179 * Get the parent dn and see if the corresponding entry exists.
181 if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
184 dnParent( &op->oq_add.rs_e->e_nname, &pdn );
187 /* get entry or parent */
188 rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
190 switch( rs->sr_err ) {
192 rs->sr_err = LDAP_ALREADY_EXISTS;
196 case DB_LOCK_DEADLOCK:
197 case DB_LOCK_NOTGRANTED:
200 rs->sr_text = "ldap server busy";
203 rs->sr_err = LDAP_OTHER;
204 rs->sr_text = "internal error";
210 p = (Entry *)&slap_entry_root;
212 if ( !bvmatch( &pdn, &p->e_nname ) ) {
213 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
215 rs->sr_ref = is_entry_referral( p )
216 ? get_entry_referrals( op, p )
218 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
220 Debug( LDAP_DEBUG_TRACE,
221 LDAP_XSTRING(bdb_add) ": parent "
222 "does not exist\n", 0, 0, 0 );
224 rs->sr_err = LDAP_REFERRAL;
225 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
229 rs->sr_err = access_allowed( op, p,
230 children, NULL, ACL_WADD, NULL );
232 if ( ! rs->sr_err ) {
233 switch( opinfo.boi_err ) {
234 case DB_LOCK_DEADLOCK:
235 case DB_LOCK_NOTGRANTED:
239 Debug( LDAP_DEBUG_TRACE,
240 LDAP_XSTRING(bdb_add) ": no write access to parent\n",
242 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
243 rs->sr_text = "no write access to parent";
244 goto return_results;;
247 if ( p != (Entry *)&slap_entry_root ) {
248 if ( is_entry_subentry( p ) ) {
249 /* parent is a subentry, don't allow add */
250 Debug( LDAP_DEBUG_TRACE,
251 LDAP_XSTRING(bdb_add) ": parent is subentry\n",
253 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
254 rs->sr_text = "parent is a subentry";
255 goto return_results;;
258 if ( is_entry_alias( p ) ) {
259 /* parent is an alias, don't allow add */
260 Debug( LDAP_DEBUG_TRACE,
261 LDAP_XSTRING(bdb_add) ": parent is alias\n",
263 rs->sr_err = LDAP_ALIAS_PROBLEM;
264 rs->sr_text = "parent is an alias";
265 goto return_results;;
268 if ( is_entry_referral( p ) ) {
269 /* parent is a referral, don't allow add */
270 rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
272 rs->sr_ref = get_entry_referrals( op, p );
273 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
275 Debug( LDAP_DEBUG_TRACE,
276 LDAP_XSTRING(bdb_add) ": parent is referral\n",
279 rs->sr_err = LDAP_REFERRAL;
280 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
286 /* parent must be an administrative point of the required kind */
290 /* free parent and reader lock */
291 if ( p != (Entry *)&slap_entry_root ) {
292 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
296 rs->sr_err = access_allowed( op, op->oq_add.rs_e,
297 entry, NULL, ACL_WADD, NULL );
299 if ( ! rs->sr_err ) {
300 switch( opinfo.boi_err ) {
301 case DB_LOCK_DEADLOCK:
302 case DB_LOCK_NOTGRANTED:
306 Debug( LDAP_DEBUG_TRACE,
307 LDAP_XSTRING(bdb_add) ": no write access to entry\n",
309 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
310 rs->sr_text = "no write access to entry";
311 goto return_results;;
314 /* nested transaction */
315 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
316 bdb->bi_db_opflags );
318 if( rs->sr_err != 0 ) {
319 Debug( LDAP_DEBUG_TRACE,
320 LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
321 "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
322 rs->sr_err = LDAP_OTHER;
323 rs->sr_text = "internal error";
328 rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
329 if ( rs->sr_err != 0 ) {
330 Debug( LDAP_DEBUG_TRACE,
331 LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
332 db_strerror(rs->sr_err), rs->sr_err, 0 );
334 switch( rs->sr_err ) {
335 case DB_LOCK_DEADLOCK:
336 case DB_LOCK_NOTGRANTED:
339 rs->sr_err = LDAP_ALREADY_EXISTS;
342 rs->sr_err = LDAP_OTHER;
347 /* attribute indexes */
348 rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
349 if ( rs->sr_err != LDAP_SUCCESS ) {
350 Debug( LDAP_DEBUG_TRACE,
351 LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
353 switch( rs->sr_err ) {
354 case DB_LOCK_DEADLOCK:
355 case DB_LOCK_NOTGRANTED:
358 rs->sr_err = LDAP_OTHER;
360 rs->sr_text = "index generation failed";
365 rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
366 if ( rs->sr_err != 0 ) {
367 Debug( LDAP_DEBUG_TRACE,
368 LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
370 switch( rs->sr_err ) {
371 case DB_LOCK_DEADLOCK:
372 case DB_LOCK_NOTGRANTED:
375 rs->sr_err = LDAP_OTHER;
377 rs->sr_text = "entry store failed";
381 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
382 rs->sr_err = LDAP_OTHER;
383 rs->sr_text = "txn_commit(2) failed";
388 if( op->o_postread ) {
389 if( postread_ctrl == NULL ) {
390 postread_ctrl = &ctrls[num_ctrls++];
391 ctrls[num_ctrls] = NULL;
393 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
394 &slap_post_read_bv, postread_ctrl ) )
396 Debug( LDAP_DEBUG_TRACE,
397 "<=- " LDAP_XSTRING(bdb_add) ": post-read "
398 "failed!\n", 0, 0, 0 );
399 if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
400 /* FIXME: is it correct to abort
401 * operation if control fails? */
408 if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
409 rs->sr_text = "txn_abort (no-op) failed";
411 rs->sr_err = LDAP_X_NO_OPERATION;
419 /* pick the RDN if not suffix; otherwise pick the entire DN */
421 nrdn.bv_val = op->ora_e->e_nname.bv_val;
422 nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
424 nrdn = op->ora_e->e_nname;
427 bdb_cache_add( bdb, ei, op->ora_e, &nrdn, locker );
429 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
430 rs->sr_text = "txn_commit failed";
432 rs->sr_err = LDAP_SUCCESS;
437 op->o_private = NULL;
439 if ( rs->sr_err != LDAP_SUCCESS ) {
440 Debug( LDAP_DEBUG_TRACE,
441 LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
442 rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
443 rs->sr_err = LDAP_OTHER;
447 Debug(LDAP_DEBUG_TRACE,
448 LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
449 op->o_noop ? " (no-op)" : "",
450 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
453 if( num_ctrls ) rs->sr_ctrls = ctrls;
456 send_ldap_result( op, rs );
457 slap_graduate_commit_csn( op );
462 op->o_private = NULL;
464 if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
465 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
466 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
469 if( rs->sr_err == LDAP_SUCCESS ) {
470 EntryInfo *ei = op->ora_e->e_private;
472 /* We own the entry now, and it can be purged at will
473 * Check to make sure it's the same entry we entered with.
474 * Possibly a callback may have mucked with it, although
475 * in general callbacks should treat the entry as read-only.
477 if ( op->ora_e == oe )
479 ei->bei_state ^= CACHE_ENTRY_NOT_LINKED;
481 if ( bdb->bi_txn_cp_kbyte ) {
482 TXN_CHECKPOINT( bdb->bi_dbenv,
483 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );