1 /* modify.c - bdb backend modify routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 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 static struct berval scbva[] = {
31 int bdb_modify_internal(
34 Modifications *modlist,
43 Attribute *save_attrs;
45 int glue_attr_delete = 0;
48 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
49 e->e_id, e->e_dn, 0 );
51 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
55 if ( !acl_check_modlist( op, e, modlist )) {
56 return LDAP_INSUFFICIENT_ACCESS;
59 /* save_attrs will be disposed of by bdb_cache_modify */
60 save_attrs = e->e_attrs;
61 e->e_attrs = attrs_dup( e->e_attrs );
63 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
66 switch( mod->sm_op ) {
68 case LDAP_MOD_REPLACE:
69 if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
70 value_match( &match, slap_schema.si_ad_structuralObjectClass,
71 slap_schema.si_ad_structuralObjectClass->ad_type->sat_equality,
72 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
73 &mod->sm_values[0], &scbva[0], text );
78 if ( glue_attr_delete )
82 if ( glue_attr_delete ) {
83 Attribute **app = &e->e_attrs;
84 while ( *app != NULL ) {
85 if ( !is_at_operational( (*app)->a_desc->ad_type )) {
86 Attribute *save = *app;
87 *app = (*app)->a_next;
91 app = &(*app)->a_next;
95 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
98 switch ( mod->sm_op ) {
101 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
103 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
105 err = modify_add_values( e, mod, get_permissiveModify(op),
106 text, textbuf, textlen );
107 if( err != LDAP_SUCCESS ) {
109 LDAP_LOG ( OPERATION, ERR,
110 "bdb_modify_internal: %d %s\n", err, *text, 0 );
112 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
118 case LDAP_MOD_DELETE:
119 if ( glue_attr_delete )
122 LDAP_LOG ( OPERATION, DETAIL1,
123 "bdb_modify_internal: delete\n", 0, 0, 0 );
125 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
127 err = modify_delete_values( e, mod, get_permissiveModify(op),
128 text, textbuf, textlen );
129 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
130 if( err != LDAP_SUCCESS ) {
132 LDAP_LOG ( OPERATION, ERR,
133 "bdb_modify_internal: %d %s\n", err, *text, 0 );
135 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
141 case LDAP_MOD_REPLACE:
143 LDAP_LOG ( OPERATION, DETAIL1,
144 "bdb_modify_internal: replace\n", 0, 0, 0 );
146 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
148 err = modify_replace_values( e, mod, get_permissiveModify(op),
149 text, textbuf, textlen );
150 if( err != LDAP_SUCCESS ) {
152 LDAP_LOG ( OPERATION, ERR,
153 "bdb_modify_internal: %d %s\n", err, *text, 0 );
155 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
161 case LDAP_MOD_INCREMENT:
163 LDAP_LOG ( OPERATION, DETAIL1,
164 "bdb_modify_internal: increment\n", 0, 0, 0 );
166 Debug(LDAP_DEBUG_ARGS,
167 "bdb_modify_internal: increment\n", 0, 0, 0);
169 err = modify_increment_values( e, mod, get_permissiveModify(op),
170 text, textbuf, textlen );
171 if( err != LDAP_SUCCESS ) {
173 LDAP_LOG ( OPERATION, ERR,
174 "bdb_modify_internal: %d %s\n", err, *text, 0 );
176 Debug(LDAP_DEBUG_ARGS,
177 "bdb_modify_internal: %d %s\n",
183 case SLAP_MOD_SOFTADD:
185 LDAP_LOG ( OPERATION, DETAIL1,
186 "bdb_modify_internal: softadd\n",0,0,0 );
188 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
190 /* Avoid problems in index_add_mods()
191 * We need to add index if necessary.
193 mod->sm_op = LDAP_MOD_ADD;
195 err = modify_add_values( e, mod, get_permissiveModify(op),
196 text, textbuf, textlen );
198 mod->sm_op = SLAP_MOD_SOFTADD;
200 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
204 if( err != LDAP_SUCCESS ) {
206 LDAP_LOG ( OPERATION, ERR,
207 "bdb_modify_internal: %d %s\n", err, *text, 0 );
209 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
217 LDAP_LOG ( OPERATION, ERR,
218 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
220 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
223 *text = "Invalid modify operation";
226 LDAP_LOG ( OPERATION, ERR,
227 "bdb_modify_internal: %d %s\n", err, *text, 0 );
229 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
234 if ( err != LDAP_SUCCESS ) {
235 attrs_free( e->e_attrs );
236 e->e_attrs = save_attrs;
237 /* unlock entry, delete from cache */
241 /* If objectClass was modified, reset the flags */
242 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
246 if ( glue_attr_delete ) {
250 /* check if modified attribute was indexed
251 * but not in case of NOOP... */
252 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
253 if ( err == LDAP_SUCCESS && !op->o_noop ) {
254 ap = attr_find( save_attrs, mod->sm_desc );
255 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
257 ap = attr_find( e->e_attrs, mod->sm_desc );
258 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
262 /* check that the entry still obeys the schema */
263 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
264 if ( rc != LDAP_SUCCESS || op->o_noop ) {
265 attrs_free( e->e_attrs );
266 e->e_attrs = save_attrs;
268 if ( rc != LDAP_SUCCESS ) {
270 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
271 "entry failed schema check %s\n",
274 Debug( LDAP_DEBUG_ANY,
275 "entry failed schema check: %s\n",
280 /* if NOOP then silently revert to saved attrs */
284 /* update the indices of the modified attributes */
286 /* start with deleting the old index entries */
287 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
288 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
289 rc = bdb_index_values( op, tid, ap->a_desc,
291 e->e_id, SLAP_INDEX_DELETE_OP );
292 if ( rc != LDAP_SUCCESS ) {
293 attrs_free( e->e_attrs );
294 e->e_attrs = save_attrs;
296 LDAP_LOG ( OPERATION, ERR,
297 "bdb_modify_internal: attribute index delete failure\n",
300 Debug( LDAP_DEBUG_ANY,
301 "Attribute index delete failure",
306 ap->a_flags &= ~SLAP_ATTR_IXDEL;
310 /* add the new index entries */
311 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
312 if (ap->a_flags & SLAP_ATTR_IXADD) {
313 rc = bdb_index_values( op, tid, ap->a_desc,
315 e->e_id, SLAP_INDEX_ADD_OP );
316 if ( rc != LDAP_SUCCESS ) {
317 attrs_free( e->e_attrs );
318 e->e_attrs = save_attrs;
320 LDAP_LOG ( OPERATION, ERR,
321 "bdb_modify_internal: attribute index add failure\n",
324 Debug( LDAP_DEBUG_ANY,
325 "Attribute index add failure",
330 ap->a_flags &= ~SLAP_ATTR_IXADD;
339 bdb_modify( Operation *op, SlapReply *rs )
341 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
343 EntryInfo *ei = NULL;
344 int manageDSAit = get_manageDSAit( op );
345 char textbuf[SLAP_TEXT_BUFLEN];
346 size_t textlen = sizeof textbuf;
347 DB_TXN *ltid = NULL, *lt2;
348 struct bdb_op_info opinfo;
351 u_int32_t locker = 0;
356 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
360 struct psid_entry *pm_list, *pm_prev;
362 EntryInfo *suffix_ei;
364 int ctxcsn_added = 0;
367 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
369 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
373 retry: /* transaction retry */
375 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
379 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
381 Debug(LDAP_DEBUG_TRACE,
382 "bdb_modify: retrying...\n", 0, 0, 0);
385 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
386 while ( pm_list != NULL ) {
387 LDAP_LIST_REMOVE ( pm_list, ps_link );
389 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
393 rs->sr_err = TXN_ABORT( ltid );
395 op->o_private = NULL;
396 op->o_do_not_cache = opinfo.boi_acl_cache;
397 if( rs->sr_err != 0 ) {
398 rs->sr_err = LDAP_OTHER;
399 rs->sr_text = "internal error";
402 ldap_pvt_thread_yield();
403 bdb_trans_backoff( ++num_retries );
406 /* begin transaction */
407 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
408 bdb->bi_db_opflags );
410 if( rs->sr_err != 0 ) {
412 LDAP_LOG ( OPERATION, DETAIL1,
413 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
415 Debug( LDAP_DEBUG_TRACE,
416 "bdb_modify: txn_begin failed: %s (%d)\n",
417 db_strerror(rs->sr_err), rs->sr_err, 0 );
419 rs->sr_err = LDAP_OTHER;
420 rs->sr_text = "internal error";
424 locker = TXN_ID ( ltid );
426 opinfo.boi_bdb = op->o_bd;
427 opinfo.boi_txn = ltid;
428 opinfo.boi_locker = locker;
430 opinfo.boi_acl_cache = op->o_do_not_cache;
431 op->o_private = &opinfo;
433 /* get entry or ancestor */
434 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
437 if ( rs->sr_err != 0 ) {
439 LDAP_LOG ( OPERATION, DETAIL1,
440 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
442 Debug( LDAP_DEBUG_TRACE,
443 "bdb_modify: dn2entry failed (%d)\n",
446 switch( rs->sr_err ) {
447 case DB_LOCK_DEADLOCK:
448 case DB_LOCK_NOTGRANTED:
453 rs->sr_text = "ldap server busy";
456 rs->sr_err = LDAP_OTHER;
457 rs->sr_text = "internal error";
463 /* acquire and lock entry */
464 /* FIXME: dn2entry() should return non-glue entry */
465 if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
467 rs->sr_matched = ch_strdup( e->e_dn );
468 rs->sr_ref = is_entry_referral( e )
469 ? get_entry_referrals( op, e )
471 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
475 BerVarray deref = NULL;
476 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
478 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
480 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
481 ber_bvarray_add( &deref, &tmpbv );
484 deref = default_referral;
486 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
487 LDAP_SCOPE_DEFAULT );
490 rs->sr_err = LDAP_REFERRAL;
491 send_ldap_result( op, rs );
493 if ( rs->sr_ref != default_referral ) {
494 ber_bvarray_free( rs->sr_ref );
496 free( (char *)rs->sr_matched );
498 rs->sr_matched = NULL;
503 if ( !manageDSAit && is_entry_referral( e ) ) {
504 /* entry is a referral, don't allow modify */
505 rs->sr_ref = get_entry_referrals( op, e );
508 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
510 Debug( LDAP_DEBUG_TRACE,
511 "bdb_modify: entry is referral\n",
515 rs->sr_err = LDAP_REFERRAL;
516 rs->sr_matched = e->e_name.bv_val;
517 send_ldap_result( op, rs );
519 ber_bvarray_free( rs->sr_ref );
521 rs->sr_matched = NULL;
525 if ( get_assert( op ) &&
526 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
528 rs->sr_err = LDAP_ASSERTION_FAILED;
532 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
533 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
534 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
535 bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
537 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
540 if( op->o_preread ) {
541 if ( slap_read_controls( op, rs, e,
542 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
545 LDAP_LOG ( OPERATION, DETAIL1,
546 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
548 Debug( LDAP_DEBUG_TRACE,
549 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
553 ctrls[++num_ctrls] = NULL;
554 op->o_preread = 0; /* prevent redo on retry */
557 /* nested transaction */
558 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
559 bdb->bi_db_opflags );
561 if( rs->sr_err != 0 ) {
563 LDAP_LOG ( OPERATION, ERR,
564 "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
566 Debug( LDAP_DEBUG_TRACE,
567 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
568 db_strerror(rs->sr_err), rs->sr_err, 0 );
570 rs->sr_err = LDAP_OTHER;
571 rs->sr_text = "internal error";
574 /* Modify the entry */
576 rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
577 &dummy, &rs->sr_text, textbuf, textlen );
579 if( rs->sr_err != LDAP_SUCCESS ) {
581 LDAP_LOG ( OPERATION, ERR,
582 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
584 Debug( LDAP_DEBUG_TRACE,
585 "bdb_modify: modify failed (%d)\n",
588 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
589 rs->sr_err = opinfo.boi_err;
591 switch( rs->sr_err ) {
592 case DB_LOCK_DEADLOCK:
593 case DB_LOCK_NOTGRANTED:
599 if( op->o_postread ) {
600 if( slap_read_controls( op, rs, e,
601 &slap_post_read_bv, &ctrls[num_ctrls] ) )
604 LDAP_LOG ( OPERATION, DETAIL1,
605 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
607 Debug( LDAP_DEBUG_TRACE,
608 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
612 ctrls[++num_ctrls] = NULL;
613 op->o_postread = 0; /* prevent redo on retry */
614 /* FIXME: should read entry on the last retry */
617 /* change the entry itself */
618 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
619 if ( rs->sr_err != 0 ) {
621 LDAP_LOG ( OPERATION, ERR,
622 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
624 Debug( LDAP_DEBUG_TRACE,
625 "bdb_modify: id2entry update failed (%d)\n",
628 switch( rs->sr_err ) {
629 case DB_LOCK_DEADLOCK:
630 case DB_LOCK_NOTGRANTED:
633 rs->sr_text = "entry update failed";
637 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
638 rs->sr_err = LDAP_OTHER;
639 rs->sr_text = "txn_commit(2) failed";
643 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
644 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
645 &ctxcsn_e, &ctxcsn_added, locker );
655 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
656 rs->sr_text = "txn_abort (no-op) failed";
658 rs->sr_err = LDAP_NO_OPERATION;
662 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
664 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
665 if ( ctxcsn_added ) {
666 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
667 (struct berval *)&slap_ldapsync_cn_bv, locker );
671 if ( rs->sr_err == LDAP_SUCCESS ) {
672 /* Loop through in-scope entries for each psearch spec */
673 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
674 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
675 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
677 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
678 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
679 while ( pm_list != NULL ) {
680 bdb_psearch(op, rs, pm_list->ps_op,
681 e, LDAP_PSEARCH_BY_SCOPEOUT);
682 LDAP_LIST_REMOVE ( pm_list, ps_link );
684 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
689 rs->sr_err = TXN_COMMIT( ltid, 0 );
692 op->o_private = NULL;
694 if( rs->sr_err != 0 ) {
696 LDAP_LOG ( OPERATION, ERR,
697 "bdb_modify: txn_%s failed %s (%d)\n",
698 op->o_noop ? "abort (no_op)" : "commit",
699 db_strerror(rs->sr_err), rs->sr_err );
701 Debug( LDAP_DEBUG_TRACE,
702 "bdb_modify: txn_%s failed: %s (%d)\n",
703 op->o_noop ? "abort (no-op)" : "commit",
704 db_strerror(rs->sr_err), rs->sr_err );
706 rs->sr_err = LDAP_OTHER;
707 rs->sr_text = "commit failed";
713 LDAP_LOG ( OPERATION, DETAIL1,
714 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
715 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
717 Debug( LDAP_DEBUG_TRACE,
718 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
719 op->o_noop ? " (no-op)" : "",
723 rs->sr_err = LDAP_SUCCESS;
725 if( num_ctrls ) rs->sr_ctrls = ctrls;
728 send_ldap_result( op, rs );
730 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
731 ldap_pvt_thread_yield();
732 TXN_CHECKPOINT( bdb->bi_dbenv,
733 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
738 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
739 while ( pm_list != NULL ) {
740 LDAP_LIST_REMOVE ( pm_list, ps_link );
742 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
746 op->o_private = NULL;
750 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);