1 /* modify.c - mdb backend modify routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2016 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 static struct berval scbva[] = {
33 AttributeDescription *desc,
41 /* check if modified attribute was indexed
42 * but not in case of NOOP... */
43 ai = mdb_index_mask( op->o_bd, desc, &ix_at );
49 ap = attr_find( oldattrs, desc );
50 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
52 /* Find all other attrs that index to same slot */
53 for ( ap = newattrs; ap; ap = ap->a_next ) {
54 ai = mdb_index_mask( op->o_bd, ap->a_desc, &ix2 );
55 if ( ai && ix2.bv_val == ix_at.bv_val )
56 ap->a_flags |= SLAP_ATTR_IXADD;
62 ap = attr_find( newattrs, desc );
63 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
68 int mdb_modify_internal(
71 Modifications *modlist,
77 struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
81 Attribute *save_attrs;
82 Attribute *ap, *aold, *anew;
83 int glue_attr_delete = 0;
84 int softop, chkpresent;
87 MDB_cursor *mvc = NULL;
89 Debug( LDAP_DEBUG_TRACE, "mdb_modify_internal: 0x%08lx: %s\n",
92 if ( !acl_check_modlist( op, e, modlist )) {
93 return LDAP_INSUFFICIENT_ACCESS;
96 /* save_attrs will be disposed of by caller */
97 save_attrs = e->e_attrs;
98 e->e_attrs = attrs_dup( e->e_attrs );
100 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
103 switch( mod->sm_op ) {
105 case LDAP_MOD_REPLACE:
106 if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
107 value_match( &match, slap_schema.si_ad_structuralObjectClass,
108 slap_schema.si_ad_structuralObjectClass->
109 ad_type->sat_equality,
110 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
111 &mod->sm_values[0], &scbva[0], text );
112 if ( !match ) glue_attr_delete = 1;
115 if ( glue_attr_delete )
119 if ( glue_attr_delete ) {
120 Attribute **app = &e->e_attrs;
121 while ( *app != NULL ) {
122 if ( !is_at_operational( (*app)->a_desc->ad_type )) {
123 Attribute *save = *app;
124 *app = (*app)->a_next;
128 app = &(*app)->a_next;
132 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
136 aold = attr_find( e->e_attrs, mod->sm_desc );
138 a_flags = aold->a_flags;
142 switch ( mod->sm_op ) {
146 Debug(LDAP_DEBUG_ARGS,
147 "mdb_modify_internal: add %s\n",
148 mod->sm_desc->ad_cname.bv_val, 0, 0);
151 err = modify_add_values( e, mod, get_permissiveModify(op),
152 text, textbuf, textlen );
155 mod->sm_op = SLAP_MOD_SOFTADD;
156 if ( err == LDAP_TYPE_OR_VALUE_EXISTS )
160 mod->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT;
163 if( err != LDAP_SUCCESS ) {
164 Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
168 anew = attr_find( e->e_attrs, mod->sm_desc );
171 /* check for big multivalued attrs */
172 if ( anew->a_numvals > mdb->mi_multi_hi )
173 anew->a_flags |= SLAP_ATTR_BIG_MULTI;
174 if ( anew->a_flags & SLAP_ATTR_BIG_MULTI ) {
176 err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc );
180 /* if prev was set, just add new values */
181 if (a_flags & SLAP_ATTR_BIG_MULTI ) {
182 anew = (Attribute *)mod;
185 anew->a_nvals = anew->a_vals;
187 err = mdb_mval_put(op, mvc, e->e_id, anew);
188 if (a_flags & SLAP_ATTR_BIG_MULTI ) {
189 /* Undo nvals tweak */
190 if (anew->a_nvals == anew->a_vals)
191 anew->a_nvals = NULL;
197 case LDAP_MOD_DELETE:
198 if ( glue_attr_delete ) {
204 Debug(LDAP_DEBUG_ARGS,
205 "mdb_modify_internal: delete %s\n",
206 mod->sm_desc->ad_cname.bv_val, 0, 0);
208 err = modify_delete_values( e, mod, get_permissiveModify(op),
209 text, textbuf, textlen );
212 mod->sm_op = SLAP_MOD_SOFTDEL;
213 if ( err == LDAP_NO_SUCH_ATTRIBUTE ) {
219 if( err != LDAP_SUCCESS ) {
220 Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
225 /* check for big multivalued attrs */
226 if (a_flags & SLAP_ATTR_BIG_MULTI) {
229 err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc );
233 if ( mod->sm_numvals ) {
234 anew = attr_find( e->e_attrs, mod->sm_desc );
235 if ( anew->a_numvals < mdb->mi_multi_lo ) {
236 anew->a_flags ^= SLAP_ATTR_BIG_MULTI;
239 anew = (Attribute *)mod;
245 /* delete all values */
247 anew->a_desc = mod->sm_desc;
250 err = mdb_mval_del( op, mvc, e->e_id, anew );
255 case LDAP_MOD_REPLACE:
256 Debug(LDAP_DEBUG_ARGS,
257 "mdb_modify_internal: replace %s\n",
258 mod->sm_desc->ad_cname.bv_val, 0, 0);
259 err = modify_replace_values( e, mod, get_permissiveModify(op),
260 text, textbuf, textlen );
261 if( err != LDAP_SUCCESS ) {
262 Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
266 if (a_flags & SLAP_ATTR_BIG_MULTI) {
269 err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc );
273 /* delete all values */
275 anew->a_desc = mod->sm_desc;
277 err = mdb_mval_del( op, mvc, e->e_id, anew );
281 anew = attr_find( e->e_attrs, mod->sm_desc );
282 if (mod->sm_numvals >= mdb->mi_multi_lo) {
283 anew->a_flags |= SLAP_ATTR_BIG_MULTI;
285 err = mdb_cursor_open( tid, mdb->mi_dbis[MDB_ID2VAL], &mvc );
289 err = mdb_mval_put(op, mvc, e->e_id, anew);
291 /* revert back to normal attr */
292 anew->a_flags &= ~SLAP_ATTR_BIG_MULTI;
297 case LDAP_MOD_INCREMENT:
298 Debug(LDAP_DEBUG_ARGS,
299 "mdb_modify_internal: increment %s\n",
300 mod->sm_desc->ad_cname.bv_val, 0, 0);
301 err = modify_increment_values( e, mod, get_permissiveModify(op),
302 text, textbuf, textlen );
303 if( err != LDAP_SUCCESS ) {
304 Debug(LDAP_DEBUG_ARGS,
305 "mdb_modify_internal: %d %s\n",
312 case SLAP_MOD_SOFTADD:
313 Debug(LDAP_DEBUG_ARGS,
314 "mdb_modify_internal: softadd %s\n",
315 mod->sm_desc->ad_cname.bv_val, 0, 0);
316 /* Avoid problems in index_add_mods()
317 * We need to add index if necessary.
319 mod->sm_op = LDAP_MOD_ADD;
323 case SLAP_MOD_SOFTDEL:
324 Debug(LDAP_DEBUG_ARGS,
325 "mdb_modify_internal: softdel %s\n",
326 mod->sm_desc->ad_cname.bv_val, 0, 0);
327 /* Avoid problems in index_delete_mods()
328 * We need to add index if necessary.
330 mod->sm_op = LDAP_MOD_DELETE;
334 case SLAP_MOD_ADD_IF_NOT_PRESENT:
335 if ( attr_find( e->e_attrs, mod->sm_desc ) != NULL ) {
341 Debug(LDAP_DEBUG_ARGS,
342 "mdb_modify_internal: add_if_not_present %s\n",
343 mod->sm_desc->ad_cname.bv_val, 0, 0);
344 /* Avoid problems in index_add_mods()
345 * We need to add index if necessary.
347 mod->sm_op = LDAP_MOD_ADD;
352 Debug(LDAP_DEBUG_ANY, "mdb_modify_internal: invalid op %d\n",
354 *text = "Invalid modify operation";
356 Debug(LDAP_DEBUG_ARGS, "mdb_modify_internal: %d %s\n",
360 if ( err != LDAP_SUCCESS ) {
361 attrs_free( e->e_attrs );
362 e->e_attrs = save_attrs;
363 /* unlock entry, delete from cache */
367 /* If objectClass was modified, reset the flags */
368 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
372 if ( glue_attr_delete ) e->e_ocflags = 0;
375 /* check if modified attribute was indexed
376 * but not in case of NOOP... */
378 mdb_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs );
382 /* check that the entry still obeys the schema */
384 rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap,
385 text, textbuf, textlen );
386 if ( rc != LDAP_SUCCESS || op->o_noop ) {
387 attrs_free( e->e_attrs );
388 /* clear the indexing flags */
389 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
390 ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL);
392 e->e_attrs = save_attrs;
394 if ( rc != LDAP_SUCCESS ) {
395 Debug( LDAP_DEBUG_ANY,
396 "entry failed schema check: %s\n",
400 /* if NOOP then silently revert to saved attrs */
404 /* structuralObjectClass modified! */
406 assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass );
408 mdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass,
409 1, e->e_attrs, save_attrs );
413 /* update the indices of the modified attributes */
415 /* start with deleting the old index entries */
416 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
417 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
420 ap->a_flags &= ~SLAP_ATTR_IXDEL;
421 a2 = attr_find( e->e_attrs, ap->a_desc );
423 /* need to detect which values were deleted */
425 /* let add know there were deletes */
426 if ( a2->a_flags & SLAP_ATTR_IXADD )
427 a2->a_flags |= SLAP_ATTR_IXDEL;
428 vals = op->o_tmpalloc( (ap->a_numvals + 1) *
429 sizeof(struct berval), op->o_tmpmemctx );
431 for ( i=0; i < ap->a_numvals; i++ ) {
432 rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
433 &ap->a_nvals[i], NULL, op->o_tmpmemctx );
434 /* Save deleted values */
435 if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
436 vals[j++] = ap->a_nvals[i];
440 /* attribute was completely deleted */
444 if ( !BER_BVISNULL( vals )) {
445 rc = mdb_index_values( op, tid, ap->a_desc,
446 vals, e->e_id, SLAP_INDEX_DELETE_OP );
447 if ( rc != LDAP_SUCCESS ) {
448 Debug( LDAP_DEBUG_ANY,
449 "%s: attribute \"%s\" index delete failure\n",
450 op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
451 attrs_free( e->e_attrs );
452 e->e_attrs = save_attrs;
455 if ( vals != ap->a_nvals )
456 op->o_tmpfree( vals, op->o_tmpmemctx );
461 /* add the new index entries */
462 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
463 if (ap->a_flags & SLAP_ATTR_IXADD) {
464 ap->a_flags &= ~SLAP_ATTR_IXADD;
465 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
466 /* if any values were deleted, we must readd index
467 * for all remaining values.
469 ap->a_flags &= ~SLAP_ATTR_IXDEL;
470 rc = mdb_index_values( op, tid, ap->a_desc,
472 e->e_id, SLAP_INDEX_ADD_OP );
475 /* if this was only an add, we only need to index
478 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
480 if ( ml->sml_desc != ap->a_desc || !ml->sml_numvals )
483 switch( ml->sml_op ) {
485 case LDAP_MOD_REPLACE:
486 case LDAP_MOD_INCREMENT:
487 case SLAP_MOD_SOFTADD:
488 case SLAP_MOD_ADD_IF_NOT_PRESENT:
489 if ( ml->sml_op == LDAP_MOD_INCREMENT )
491 else if ( ml->sml_nvalues )
492 vals = ml->sml_nvalues;
494 vals = ml->sml_values;
495 rc = mdb_index_values( op, tid, ap->a_desc,
496 vals, e->e_id, SLAP_INDEX_ADD_OP );
502 /* This attr was affected by a modify of a subtype, so
503 * there was no direct match in the modlist. Just readd
507 rc = mdb_index_values( op, tid, ap->a_desc,
509 e->e_id, SLAP_INDEX_ADD_OP );
512 if ( rc != LDAP_SUCCESS ) {
513 Debug( LDAP_DEBUG_ANY,
514 "%s: attribute \"%s\" index add failure\n",
515 op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
516 attrs_free( e->e_attrs );
517 e->e_attrs = save_attrs;
528 mdb_modify( Operation *op, SlapReply *rs )
530 struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
532 int manageDSAit = get_manageDSAit( op );
533 char textbuf[SLAP_TEXT_BUFLEN];
534 size_t textlen = sizeof textbuf;
536 mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
539 LDAPControl **preread_ctrl = NULL;
540 LDAPControl **postread_ctrl = NULL;
541 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
543 int numads = mdb->mi_numads;
545 Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(mdb_modify) ": %s\n",
546 op->o_req_dn.bv_val, 0, 0 );
549 if( op->o_txnSpec && txn_preop( op, rs ))
553 ctrls[num_ctrls] = NULL;
555 /* begin transaction */
556 rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
558 if( rs->sr_err != 0 ) {
559 Debug( LDAP_DEBUG_TRACE,
560 LDAP_XSTRING(mdb_modify) ": txn_begin failed: "
561 "%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
562 rs->sr_err = LDAP_OTHER;
563 rs->sr_text = "internal error";
568 /* Don't touch the opattrs, if this is a contextCSN update
569 * initiated from updatedn */
570 if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
571 op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {
573 slap_mods_opattrs( op, &op->orm_modlist, 1 );
576 /* get entry or ancestor */
577 rs->sr_err = mdb_dn2entry( op, txn, NULL, &op->o_req_ndn, &e, NULL, 1 );
579 if ( rs->sr_err != 0 ) {
580 Debug( LDAP_DEBUG_TRACE,
581 LDAP_XSTRING(mdb_modify) ": dn2entry failed (%d)\n",
583 switch( rs->sr_err ) {
587 rs->sr_text = "ldap server busy";
590 rs->sr_err = LDAP_OTHER;
591 rs->sr_text = "internal error";
596 /* acquire and lock entry */
597 /* FIXME: dn2entry() should return non-glue entry */
598 if (( rs->sr_err == MDB_NOTFOUND ) ||
599 ( !manageDSAit && e && is_entry_glue( e )))
602 rs->sr_matched = ch_strdup( e->e_dn );
603 if ( is_entry_referral( e )) {
604 BerVarray ref = get_entry_referrals( op, e );
605 rs->sr_ref = referral_rewrite( ref, &e->e_name,
606 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
607 ber_bvarray_free( ref );
611 mdb_entry_return( op, e );
615 rs->sr_ref = referral_rewrite( default_referral, NULL,
616 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
619 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
620 rs->sr_err = LDAP_REFERRAL;
621 send_ldap_result( op, rs );
625 if ( !manageDSAit && is_entry_referral( e ) ) {
626 /* entry is a referral, don't allow modify */
627 rs->sr_ref = get_entry_referrals( op, e );
629 Debug( LDAP_DEBUG_TRACE,
630 LDAP_XSTRING(mdb_modify) ": entry is referral\n",
633 rs->sr_err = LDAP_REFERRAL;
634 rs->sr_matched = e->e_name.bv_val;
635 rs->sr_flags = REP_REF_MUSTBEFREED;
636 send_ldap_result( op, rs );
637 rs->sr_matched = NULL;
641 if ( get_assert( op ) &&
642 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
644 rs->sr_err = LDAP_ASSERTION_FAILED;
648 if( op->o_preread ) {
649 if( preread_ctrl == NULL ) {
650 preread_ctrl = &ctrls[num_ctrls++];
651 ctrls[num_ctrls] = NULL;
653 if ( slap_read_controls( op, rs, e,
654 &slap_pre_read_bv, preread_ctrl ) )
656 Debug( LDAP_DEBUG_TRACE,
657 "<=- " LDAP_XSTRING(mdb_modify) ": pre-read "
658 "failed!\n", 0, 0, 0 );
659 if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
660 /* FIXME: is it correct to abort
661 * operation if control fails? */
667 /* Modify the entry */
669 rs->sr_err = mdb_modify_internal( op, txn, op->orm_modlist,
670 &dummy, &rs->sr_text, textbuf, textlen );
672 if( rs->sr_err != LDAP_SUCCESS ) {
673 Debug( LDAP_DEBUG_TRACE,
674 LDAP_XSTRING(mdb_modify) ": modify failed (%d)\n",
676 /* Only free attrs if they were dup'd. */
677 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
681 /* change the entry itself */
682 rs->sr_err = mdb_id2entry_update( op, txn, NULL, &dummy );
683 if ( rs->sr_err != 0 ) {
684 Debug( LDAP_DEBUG_TRACE,
685 LDAP_XSTRING(mdb_modify) ": id2entry update failed " "(%d)\n",
687 if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) {
688 rs->sr_text = "entry too big";
690 rs->sr_err = LDAP_OTHER;
691 rs->sr_text = "entry update failed";
696 if( op->o_postread ) {
697 if( postread_ctrl == NULL ) {
698 postread_ctrl = &ctrls[num_ctrls++];
699 ctrls[num_ctrls] = NULL;
701 if( slap_read_controls( op, rs, &dummy,
702 &slap_post_read_bv, postread_ctrl ) )
704 Debug( LDAP_DEBUG_TRACE,
705 "<=- " LDAP_XSTRING(mdb_modify)
706 ": post-read failed!\n", 0, 0, 0 );
707 if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
708 /* FIXME: is it correct to abort
709 * operation if control fails? */
715 /* Only free attrs if they were dup'd. */
716 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
717 if( moi == &opinfo ) {
718 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
719 opinfo.moi_oe.oe_key = NULL;
721 mdb->mi_numads = numads;
722 mdb_txn_abort( txn );
723 rs->sr_err = LDAP_X_NO_OPERATION;
727 rs->sr_err = mdb_txn_commit( txn );
729 mdb->mi_numads = numads;
734 if( rs->sr_err != 0 ) {
735 Debug( LDAP_DEBUG_ANY,
736 LDAP_XSTRING(mdb_modify) ": txn_%s failed: %s (%d)\n",
737 op->o_noop ? "abort (no-op)" : "commit",
738 mdb_strerror(rs->sr_err), rs->sr_err );
739 rs->sr_err = LDAP_OTHER;
740 rs->sr_text = "commit failed";
745 Debug( LDAP_DEBUG_TRACE,
746 LDAP_XSTRING(mdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
747 op->o_noop ? " (no-op)" : "",
748 dummy.e_id, op->o_req_dn.bv_val );
750 rs->sr_err = LDAP_SUCCESS;
752 if( num_ctrls ) rs->sr_ctrls = ctrls;
755 if( dummy.e_attrs ) {
756 attrs_free( dummy.e_attrs );
758 send_ldap_result( op, rs );
761 if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
762 TXN_CHECKPOINT( mdb->bi_dbenv,
763 mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
768 slap_graduate_commit_csn( op );
770 if( moi == &opinfo ) {
772 mdb->mi_numads = numads;
773 mdb_txn_abort( txn );
775 if ( opinfo.moi_oe.oe_key ) {
776 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
783 mdb_entry_return( op, e );
786 if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
787 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
788 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
790 if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
791 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
792 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );