1 /* modify.c - bdb backend modify routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2003 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>
26 int bdb_modify_internal(
29 Modifications *modlist,
38 Attribute *save_attrs;
42 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
43 e->e_id, e->e_dn, 0 );
45 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
49 if ( !acl_check_modlist( op, e, modlist )) {
50 return LDAP_INSUFFICIENT_ACCESS;
53 /* save_attrs will be disposed of by bdb_cache_modify */
54 save_attrs = e->e_attrs;
55 e->e_attrs = attrs_dup( e->e_attrs );
57 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
60 switch ( mod->sm_op ) {
63 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
65 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
67 err = modify_add_values( e, mod, get_permissiveModify(op),
68 text, textbuf, textlen );
69 if( err != LDAP_SUCCESS ) {
71 LDAP_LOG ( OPERATION, ERR,
72 "bdb_modify_internal: %d %s\n", err, *text, 0 );
74 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
82 LDAP_LOG ( OPERATION, DETAIL1,
83 "bdb_modify_internal: delete\n", 0, 0, 0 );
85 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
87 err = modify_delete_values( e, mod, get_permissiveModify(op),
88 text, textbuf, textlen );
89 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
90 if( err != LDAP_SUCCESS ) {
92 LDAP_LOG ( OPERATION, ERR,
93 "bdb_modify_internal: %d %s\n", err, *text, 0 );
95 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
101 case LDAP_MOD_REPLACE:
103 LDAP_LOG ( OPERATION, DETAIL1,
104 "bdb_modify_internal: replace\n", 0, 0, 0 );
106 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
108 err = modify_replace_values( e, mod, get_permissiveModify(op),
109 text, textbuf, textlen );
110 if( err != LDAP_SUCCESS ) {
112 LDAP_LOG ( OPERATION, ERR,
113 "bdb_modify_internal: %d %s\n", err, *text, 0 );
115 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
121 case LDAP_MOD_INCREMENT:
123 LDAP_LOG ( OPERATION, DETAIL1,
124 "bdb_modify_internal: increment\n", 0, 0, 0 );
126 Debug(LDAP_DEBUG_ARGS,
127 "bdb_modify_internal: increment\n", 0, 0, 0);
129 err = modify_increment_values( e, mod, get_permissiveModify(op),
130 text, textbuf, textlen );
131 if( err != LDAP_SUCCESS ) {
133 LDAP_LOG ( OPERATION, ERR,
134 "bdb_modify_internal: %d %s\n", err, *text, 0 );
136 Debug(LDAP_DEBUG_ARGS,
137 "bdb_modify_internal: %d %s\n",
143 case SLAP_MOD_SOFTADD:
145 LDAP_LOG ( OPERATION, DETAIL1,
146 "bdb_modify_internal: softadd\n",0,0,0 );
148 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
150 /* Avoid problems in index_add_mods()
151 * We need to add index if necessary.
153 mod->sm_op = LDAP_MOD_ADD;
155 err = modify_add_values( e, mod, get_permissiveModify(op),
156 text, textbuf, textlen );
158 mod->sm_op = SLAP_MOD_SOFTADD;
160 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
164 if( err != LDAP_SUCCESS ) {
166 LDAP_LOG ( OPERATION, ERR,
167 "bdb_modify_internal: %d %s\n", err, *text, 0 );
169 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
177 LDAP_LOG ( OPERATION, ERR,
178 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
180 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
183 *text = "Invalid modify operation";
186 LDAP_LOG ( OPERATION, ERR,
187 "bdb_modify_internal: %d %s\n", err, *text, 0 );
189 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
194 if ( err != LDAP_SUCCESS ) {
195 attrs_free( e->e_attrs );
196 e->e_attrs = save_attrs;
197 /* unlock entry, delete from cache */
201 /* If objectClass was modified, reset the flags */
202 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
206 /* check if modified attribute was indexed
207 * but not in case of NOOP... */
208 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
209 if ( err == LDAP_SUCCESS && !op->o_noop ) {
210 ap = attr_find( save_attrs, mod->sm_desc );
211 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
213 ap = attr_find( e->e_attrs, mod->sm_desc );
214 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
218 /* check that the entry still obeys the schema */
219 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
220 if ( rc != LDAP_SUCCESS || op->o_noop ) {
221 attrs_free( e->e_attrs );
222 e->e_attrs = save_attrs;
224 if ( rc != LDAP_SUCCESS ) {
226 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
227 "entry failed schema check %s\n",
230 Debug( LDAP_DEBUG_ANY,
231 "entry failed schema check: %s\n",
236 /* if NOOP then silently revert to saved attrs */
240 /* update the indices of the modified attributes */
242 /* start with deleting the old index entries */
243 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
244 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
245 rc = bdb_index_values( op, tid, ap->a_desc,
247 e->e_id, SLAP_INDEX_DELETE_OP );
248 if ( rc != LDAP_SUCCESS ) {
249 attrs_free( e->e_attrs );
250 e->e_attrs = save_attrs;
252 LDAP_LOG ( OPERATION, ERR,
253 "bdb_modify_internal: attribute index delete failure\n",
256 Debug( LDAP_DEBUG_ANY,
257 "Attribute index delete failure",
262 ap->a_flags &= ~SLAP_ATTR_IXDEL;
266 /* add the new index entries */
267 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
268 if (ap->a_flags & SLAP_ATTR_IXADD) {
269 rc = bdb_index_values( op, tid, ap->a_desc,
271 e->e_id, SLAP_INDEX_ADD_OP );
272 if ( rc != LDAP_SUCCESS ) {
273 attrs_free( e->e_attrs );
274 e->e_attrs = save_attrs;
276 LDAP_LOG ( OPERATION, ERR,
277 "bdb_modify_internal: attribute index add failure\n",
280 Debug( LDAP_DEBUG_ANY,
281 "Attribute index add failure",
286 ap->a_flags &= ~SLAP_ATTR_IXADD;
295 bdb_modify( Operation *op, SlapReply *rs )
297 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
299 EntryInfo *ei = NULL;
300 int manageDSAit = get_manageDSAit( op );
301 char textbuf[SLAP_TEXT_BUFLEN];
302 size_t textlen = sizeof textbuf;
303 DB_TXN *ltid = NULL, *lt2;
304 struct bdb_op_info opinfo;
307 u_int32_t locker = 0;
314 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
318 struct psid_entry *pm_list, *pm_prev;
320 EntryInfo *suffix_ei;
322 int ctxcsn_added = 0;
325 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
327 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
331 retry: /* transaction retry */
333 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
337 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
339 Debug(LDAP_DEBUG_TRACE,
340 "bdb_modify: retrying...\n", 0, 0, 0);
343 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
344 while ( pm_list != NULL ) {
345 LDAP_LIST_REMOVE ( pm_list, ps_link );
347 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
351 rs->sr_err = TXN_ABORT( ltid );
353 op->o_private = NULL;
354 op->o_do_not_cache = opinfo.boi_acl_cache;
355 if( rs->sr_err != 0 ) {
356 rs->sr_err = LDAP_OTHER;
357 rs->sr_text = "internal error";
360 ldap_pvt_thread_yield();
361 bdb_trans_backoff( ++num_retries );
364 /* begin transaction */
365 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
366 bdb->bi_db_opflags );
368 if( rs->sr_err != 0 ) {
370 LDAP_LOG ( OPERATION, DETAIL1,
371 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
373 Debug( LDAP_DEBUG_TRACE,
374 "bdb_modify: txn_begin failed: %s (%d)\n",
375 db_strerror(rs->sr_err), rs->sr_err, 0 );
377 rs->sr_err = LDAP_OTHER;
378 rs->sr_text = "internal error";
382 locker = TXN_ID ( ltid );
384 opinfo.boi_bdb = op->o_bd;
385 opinfo.boi_txn = ltid;
386 opinfo.boi_locker = locker;
388 opinfo.boi_acl_cache = op->o_do_not_cache;
389 op->o_private = &opinfo;
391 /* get entry or ancestor */
392 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
395 if ( rs->sr_err != 0 ) {
397 LDAP_LOG ( OPERATION, DETAIL1,
398 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
400 Debug( LDAP_DEBUG_TRACE,
401 "bdb_modify: dn2entry failed (%d)\n",
404 switch( rs->sr_err ) {
405 case DB_LOCK_DEADLOCK:
406 case DB_LOCK_NOTGRANTED:
411 rs->sr_text = "ldap server busy";
414 rs->sr_err = LDAP_OTHER;
415 rs->sr_text = "internal error";
421 /* acquire and lock entry */
422 /* FIXME: dn2entry() should return non-glue entry */
423 if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
425 rs->sr_matched = ch_strdup( e->e_dn );
426 rs->sr_ref = is_entry_referral( e )
427 ? get_entry_referrals( op, e )
429 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
433 BerVarray deref = NULL;
434 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
436 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
438 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
439 ber_bvarray_add( &deref, &tmpbv );
442 deref = default_referral;
444 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
445 LDAP_SCOPE_DEFAULT );
448 rs->sr_err = LDAP_REFERRAL;
449 send_ldap_result( op, rs );
451 if ( rs->sr_ref != default_referral ) {
452 ber_bvarray_free( rs->sr_ref );
454 free( (char *)rs->sr_matched );
456 rs->sr_matched = NULL;
461 if ( !manageDSAit && is_entry_referral( e ) ) {
462 /* entry is a referral, don't allow modify */
463 rs->sr_ref = get_entry_referrals( op, e );
466 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
468 Debug( LDAP_DEBUG_TRACE,
469 "bdb_modify: entry is referral\n",
473 rs->sr_err = LDAP_REFERRAL;
474 rs->sr_matched = e->e_name.bv_val;
475 send_ldap_result( op, rs );
477 ber_bvarray_free( rs->sr_ref );
479 rs->sr_matched = NULL;
483 if ( get_assert( op ) &&
484 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
486 rs->sr_err = LDAP_ASSERTION_FAILED;
490 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
491 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
492 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
493 bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
495 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
498 if( op->o_preread ) {
499 if ( slap_read_controls( op, rs, e,
500 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
503 LDAP_LOG ( OPERATION, DETAIL1,
504 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
506 Debug( LDAP_DEBUG_TRACE,
507 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
511 ctrls[++num_ctrls] = NULL;
512 op->o_preread = 0; /* prevent redo on retry */
515 /* nested transaction */
516 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
517 bdb->bi_db_opflags );
519 if( rs->sr_err != 0 ) {
521 LDAP_LOG ( OPERATION, ERR,
522 "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
524 Debug( LDAP_DEBUG_TRACE,
525 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
526 db_strerror(rs->sr_err), rs->sr_err, 0 );
528 rs->sr_err = LDAP_OTHER;
529 rs->sr_text = "internal error";
532 /* Modify the entry */
534 rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
535 &dummy, &rs->sr_text, textbuf, textlen );
537 if( rs->sr_err != LDAP_SUCCESS ) {
539 LDAP_LOG ( OPERATION, ERR,
540 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
542 Debug( LDAP_DEBUG_TRACE,
543 "bdb_modify: modify failed (%d)\n",
546 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
547 rs->sr_err = opinfo.boi_err;
549 switch( rs->sr_err ) {
550 case DB_LOCK_DEADLOCK:
551 case DB_LOCK_NOTGRANTED:
557 if( op->o_postread ) {
558 if( slap_read_controls( op, rs, e,
559 &slap_post_read_bv, &ctrls[num_ctrls] ) )
562 LDAP_LOG ( OPERATION, DETAIL1,
563 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
565 Debug( LDAP_DEBUG_TRACE,
566 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
570 ctrls[++num_ctrls] = NULL;
571 op->o_postread = 0; /* prevent redo on retry */
572 /* FIXME: should read entry on the last retry */
575 /* change the entry itself */
576 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
577 if ( rs->sr_err != 0 ) {
579 LDAP_LOG ( OPERATION, ERR,
580 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
582 Debug( LDAP_DEBUG_TRACE,
583 "bdb_modify: id2entry update failed (%d)\n",
586 switch( rs->sr_err ) {
587 case DB_LOCK_DEADLOCK:
588 case DB_LOCK_NOTGRANTED:
591 rs->sr_text = "entry update failed";
595 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
596 rs->sr_err = LDAP_OTHER;
597 rs->sr_text = "txn_commit(2) failed";
601 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
602 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
603 &ctxcsn_e, &ctxcsn_added, locker );
613 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
614 rs->sr_text = "txn_abort (no-op) failed";
617 rs->sr_err = LDAP_SUCCESS;
622 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
624 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
625 if ( ctxcsn_added ) {
626 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
627 (struct berval *)&slap_ldapsync_cn_bv, locker );
631 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
632 /* Loop through in-scope entries for each psearch spec */
633 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
634 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
635 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
637 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
638 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
639 while ( pm_list != NULL ) {
640 bdb_psearch(op, rs, pm_list->ps_op,
641 e, LDAP_PSEARCH_BY_SCOPEOUT);
642 LDAP_LIST_REMOVE ( pm_list, ps_link );
644 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
649 rs->sr_err = TXN_COMMIT( ltid, 0 );
652 op->o_private = NULL;
654 if( rs->sr_err != 0 ) {
656 LDAP_LOG ( OPERATION, ERR,
657 "bdb_modify: txn_%s failed %s (%d)\n",
658 op->o_noop ? "abort (no_op)" : "commit",
659 db_strerror(rs->sr_err), rs->sr_err );
661 Debug( LDAP_DEBUG_TRACE,
662 "bdb_modify: txn_%s failed: %s (%d)\n",
663 op->o_noop ? "abort (no-op)" : "commit",
664 db_strerror(rs->sr_err), rs->sr_err );
666 rs->sr_err = LDAP_OTHER;
667 rs->sr_text = "commit failed";
673 LDAP_LOG ( OPERATION, DETAIL1,
674 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
675 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
677 Debug( LDAP_DEBUG_TRACE,
678 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
679 op->o_noop ? " (no-op)" : "",
683 rs->sr_err = LDAP_SUCCESS;
685 if( num_ctrls ) rs->sr_ctrls = ctrls;
688 send_ldap_result( op, rs );
690 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
691 ldap_pvt_thread_yield();
692 TXN_CHECKPOINT( bdb->bi_dbenv,
693 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
698 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
699 while ( pm_list != NULL ) {
700 LDAP_LIST_REMOVE ( pm_list, ps_link );
702 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
706 op->o_private = NULL;
710 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
712 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );