1 /* modify.c - bdb backend modify routine */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
17 int bdb_modify_internal(
20 Modifications *modlist,
29 Attribute *save_attrs;
33 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
34 e->e_id, e->e_dn, 0 );
36 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
40 if ( !acl_check_modlist( op, e, modlist )) {
41 return LDAP_INSUFFICIENT_ACCESS;
44 /* save_attrs will be disposed of by bdb_cache_modify */
45 save_attrs = e->e_attrs;
46 e->e_attrs = attrs_dup( e->e_attrs );
48 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
51 switch ( mod->sm_op ) {
54 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
56 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
58 err = modify_add_values( e, mod, get_permissiveModify(op),
59 text, textbuf, textlen );
60 if( err != LDAP_SUCCESS ) {
62 LDAP_LOG ( OPERATION, ERR,
63 "bdb_modify_internal: %d %s\n", err, *text, 0 );
65 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
73 LDAP_LOG ( OPERATION, DETAIL1,
74 "bdb_modify_internal: delete\n", 0, 0, 0 );
76 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
78 err = modify_delete_values( e, mod, get_permissiveModify(op),
79 text, textbuf, textlen );
80 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
81 if( err != LDAP_SUCCESS ) {
83 LDAP_LOG ( OPERATION, ERR,
84 "bdb_modify_internal: %d %s\n", err, *text, 0 );
86 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
92 case LDAP_MOD_REPLACE:
94 LDAP_LOG ( OPERATION, DETAIL1,
95 "bdb_modify_internal: replace\n", 0, 0, 0 );
97 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
99 err = modify_replace_values( e, mod, get_permissiveModify(op),
100 text, textbuf, textlen );
101 if( err != LDAP_SUCCESS ) {
103 LDAP_LOG ( OPERATION, ERR,
104 "bdb_modify_internal: %d %s\n", err, *text, 0 );
106 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
112 case LDAP_MOD_INCREMENT:
114 LDAP_LOG ( OPERATION, DETAIL1,
115 "bdb_modify_internal: increment\n", 0, 0, 0 );
117 Debug(LDAP_DEBUG_ARGS,
118 "bdb_modify_internal: increment\n", 0, 0, 0);
120 err = modify_increment_values( e, mod, get_permissiveModify(op),
121 text, textbuf, textlen );
122 if( err != LDAP_SUCCESS ) {
124 LDAP_LOG ( OPERATION, ERR,
125 "bdb_modify_internal: %d %s\n", err, *text, 0 );
127 Debug(LDAP_DEBUG_ARGS,
128 "bdb_modify_internal: %d %s\n",
134 case SLAP_MOD_SOFTADD:
136 LDAP_LOG ( OPERATION, DETAIL1,
137 "bdb_modify_internal: softadd\n",0,0,0 );
139 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
141 /* Avoid problems in index_add_mods()
142 * We need to add index if necessary.
144 mod->sm_op = LDAP_MOD_ADD;
146 err = modify_add_values( e, mod, get_permissiveModify(op),
147 text, textbuf, textlen );
149 mod->sm_op = SLAP_MOD_SOFTADD;
151 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
155 if( err != LDAP_SUCCESS ) {
157 LDAP_LOG ( OPERATION, ERR,
158 "bdb_modify_internal: %d %s\n", err, *text, 0 );
160 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
168 LDAP_LOG ( OPERATION, ERR,
169 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
171 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
174 *text = "Invalid modify operation";
177 LDAP_LOG ( OPERATION, ERR,
178 "bdb_modify_internal: %d %s\n", err, *text, 0 );
180 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
185 if ( err != LDAP_SUCCESS ) {
186 attrs_free( e->e_attrs );
187 e->e_attrs = save_attrs;
188 /* unlock entry, delete from cache */
192 /* If objectClass was modified, reset the flags */
193 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
197 /* check if modified attribute was indexed
198 * but not in case of NOOP... */
199 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
200 if ( err == LDAP_SUCCESS && !op->o_noop ) {
201 ap = attr_find( save_attrs, mod->sm_desc );
202 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
204 ap = attr_find( e->e_attrs, mod->sm_desc );
205 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
209 /* check that the entry still obeys the schema */
210 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
211 if ( rc != LDAP_SUCCESS || op->o_noop ) {
212 attrs_free( e->e_attrs );
213 e->e_attrs = save_attrs;
215 if ( rc != LDAP_SUCCESS ) {
217 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
218 "entry failed schema check %s\n",
221 Debug( LDAP_DEBUG_ANY,
222 "entry failed schema check: %s\n",
227 /* if NOOP then silently revert to saved attrs */
231 /* update the indices of the modified attributes */
233 /* start with deleting the old index entries */
234 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
235 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
236 rc = bdb_index_values( op, tid, ap->a_desc,
238 e->e_id, SLAP_INDEX_DELETE_OP );
239 if ( rc != LDAP_SUCCESS ) {
240 attrs_free( e->e_attrs );
241 e->e_attrs = save_attrs;
243 LDAP_LOG ( OPERATION, ERR,
244 "bdb_modify_internal: attribute index delete failure\n",
247 Debug( LDAP_DEBUG_ANY,
248 "Attribute index delete failure",
253 ap->a_flags &= ~SLAP_ATTR_IXDEL;
257 /* add the new index entries */
258 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
259 if (ap->a_flags & SLAP_ATTR_IXADD) {
260 rc = bdb_index_values( op, tid, ap->a_desc,
262 e->e_id, SLAP_INDEX_ADD_OP );
263 if ( rc != LDAP_SUCCESS ) {
264 attrs_free( e->e_attrs );
265 e->e_attrs = save_attrs;
267 LDAP_LOG ( OPERATION, ERR,
268 "bdb_modify_internal: attribute index add failure\n",
271 Debug( LDAP_DEBUG_ANY,
272 "Attribute index add failure",
277 ap->a_flags &= ~SLAP_ATTR_IXADD;
286 bdb_modify( Operation *op, SlapReply *rs )
288 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
290 EntryInfo *ei = NULL;
291 int manageDSAit = get_manageDSAit( op );
292 char textbuf[SLAP_TEXT_BUFLEN];
293 size_t textlen = sizeof textbuf;
294 DB_TXN *ltid = NULL, *lt2;
295 struct bdb_op_info opinfo;
298 u_int32_t locker = 0;
305 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
309 struct psid_entry *pm_list, *pm_prev;
311 EntryInfo *suffix_ei;
313 int ctxcsn_added = 0;
316 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
318 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
322 retry: /* transaction retry */
324 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
328 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
330 Debug(LDAP_DEBUG_TRACE,
331 "bdb_modify: retrying...\n", 0, 0, 0);
334 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
335 while ( pm_list != NULL ) {
336 LDAP_LIST_REMOVE ( pm_list, ps_link );
338 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
342 rs->sr_err = TXN_ABORT( ltid );
344 op->o_private = NULL;
345 op->o_do_not_cache = opinfo.boi_acl_cache;
346 if( rs->sr_err != 0 ) {
347 rs->sr_err = LDAP_OTHER;
348 rs->sr_text = "internal error";
351 ldap_pvt_thread_yield();
352 bdb_trans_backoff( ++num_retries );
355 /* begin transaction */
356 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
357 bdb->bi_db_opflags );
359 if( rs->sr_err != 0 ) {
361 LDAP_LOG ( OPERATION, DETAIL1,
362 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
364 Debug( LDAP_DEBUG_TRACE,
365 "bdb_modify: txn_begin failed: %s (%d)\n",
366 db_strerror(rs->sr_err), rs->sr_err, 0 );
368 rs->sr_err = LDAP_OTHER;
369 rs->sr_text = "internal error";
373 locker = TXN_ID ( ltid );
375 opinfo.boi_bdb = op->o_bd;
376 opinfo.boi_txn = ltid;
377 opinfo.boi_locker = locker;
379 opinfo.boi_acl_cache = op->o_do_not_cache;
380 op->o_private = &opinfo;
382 /* get entry or ancestor */
383 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
386 if ( rs->sr_err != 0 ) {
388 LDAP_LOG ( OPERATION, DETAIL1,
389 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
391 Debug( LDAP_DEBUG_TRACE,
392 "bdb_modify: dn2entry failed (%d)\n",
395 switch( rs->sr_err ) {
396 case DB_LOCK_DEADLOCK:
397 case DB_LOCK_NOTGRANTED:
402 rs->sr_text = "ldap server busy";
405 rs->sr_err = LDAP_OTHER;
406 rs->sr_text = "internal error";
412 /* acquire and lock entry */
413 /* FIXME: dn2entry() should return non-glue entry */
414 if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
416 rs->sr_matched = ch_strdup( e->e_dn );
417 rs->sr_ref = is_entry_referral( e )
418 ? get_entry_referrals( op, e )
420 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
424 BerVarray deref = op->o_bd->syncinfo ?
425 op->o_bd->syncinfo->provideruri_bv : default_referral;
426 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
429 rs->sr_err = LDAP_REFERRAL;
430 send_ldap_result( op, rs );
432 ber_bvarray_free( rs->sr_ref );
433 free( (char *)rs->sr_matched );
435 rs->sr_matched = NULL;
440 if ( !manageDSAit && is_entry_referral( e ) ) {
441 /* entry is a referral, don't allow modify */
442 rs->sr_ref = get_entry_referrals( op, e );
445 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
447 Debug( LDAP_DEBUG_TRACE,
448 "bdb_modify: entry is referral\n",
452 rs->sr_err = LDAP_REFERRAL;
453 rs->sr_matched = e->e_name.bv_val;
454 send_ldap_result( op, rs );
456 ber_bvarray_free( rs->sr_ref );
458 rs->sr_matched = NULL;
462 if ( get_assert( op ) &&
463 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
465 rs->sr_err = LDAP_ASSERTION_FAILED;
469 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
470 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
471 bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
475 if( op->o_preread ) {
476 if ( slap_read_controls( op, rs, e,
477 &slap_pre_read_bv, &ctrls[num_ctrls] ) )
480 LDAP_LOG ( OPERATION, DETAIL1,
481 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
483 Debug( LDAP_DEBUG_TRACE,
484 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
488 ctrls[++num_ctrls] = NULL;
489 op->o_preread = 0; /* prevent redo on retry */
492 /* nested transaction */
493 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
494 bdb->bi_db_opflags );
496 if( rs->sr_err != 0 ) {
498 LDAP_LOG ( OPERATION, ERR,
499 "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
501 Debug( LDAP_DEBUG_TRACE,
502 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
503 db_strerror(rs->sr_err), rs->sr_err, 0 );
505 rs->sr_err = LDAP_OTHER;
506 rs->sr_text = "internal error";
509 /* Modify the entry */
511 rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
512 &dummy, &rs->sr_text, textbuf, textlen );
514 if( rs->sr_err != LDAP_SUCCESS ) {
516 LDAP_LOG ( OPERATION, ERR,
517 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
519 Debug( LDAP_DEBUG_TRACE,
520 "bdb_modify: modify failed (%d)\n",
523 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
524 rs->sr_err = opinfo.boi_err;
526 switch( rs->sr_err ) {
527 case DB_LOCK_DEADLOCK:
528 case DB_LOCK_NOTGRANTED:
534 if( op->o_postread ) {
535 if( slap_read_controls( op, rs, e,
536 &slap_post_read_bv, &ctrls[num_ctrls] ) )
539 LDAP_LOG ( OPERATION, DETAIL1,
540 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
542 Debug( LDAP_DEBUG_TRACE,
543 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
547 ctrls[++num_ctrls] = NULL;
548 op->o_postread = 0; /* prevent redo on retry */
549 /* FIXME: should read entry on the last retry */
552 /* change the entry itself */
553 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
554 if ( rs->sr_err != 0 ) {
556 LDAP_LOG ( OPERATION, ERR,
557 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
559 Debug( LDAP_DEBUG_TRACE,
560 "bdb_modify: id2entry update failed (%d)\n",
563 switch( rs->sr_err ) {
564 case DB_LOCK_DEADLOCK:
565 case DB_LOCK_NOTGRANTED:
568 rs->sr_text = "entry update failed";
572 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
573 rs->sr_err = LDAP_OTHER;
574 rs->sr_text = "txn_commit(2) failed";
578 if ( !op->o_bd->syncinfo ) {
579 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
580 &ctxcsn_e, &ctxcsn_added, locker );
590 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
591 rs->sr_text = "txn_abort (no-op) failed";
594 rs->sr_err = LDAP_SUCCESS;
599 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
601 if ( !op->o_bd->syncinfo ) {
602 if ( ctxcsn_added ) {
603 bdb_cache_add( bdb, suffix_ei, ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
607 rs->sr_err = TXN_COMMIT( ltid, 0 );
610 op->o_private = NULL;
612 if( rs->sr_err != 0 ) {
614 LDAP_LOG ( OPERATION, ERR,
615 "bdb_modify: txn_%s failed %s (%d)\n",
616 op->o_noop ? "abort (no_op)" : "commit",
617 db_strerror(rs->sr_err), rs->sr_err );
619 Debug( LDAP_DEBUG_TRACE,
620 "bdb_modify: txn_%s failed: %s (%d)\n",
621 op->o_noop ? "abort (no-op)" : "commit",
622 db_strerror(rs->sr_err), rs->sr_err );
624 rs->sr_err = LDAP_OTHER;
625 rs->sr_text = "commit failed";
631 LDAP_LOG ( OPERATION, DETAIL1,
632 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
633 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
635 Debug( LDAP_DEBUG_TRACE,
636 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
637 op->o_noop ? " (no-op)" : "",
641 rs->sr_err = LDAP_SUCCESS;
643 if( num_ctrls ) rs->sr_ctrls = ctrls;
646 send_ldap_result( op, rs );
648 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
649 /* Loop through in-scope entries for each psearch spec */
650 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
651 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
653 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
654 while ( pm_list != NULL ) {
655 bdb_psearch(op, rs, pm_list->ps_op,
656 e, LDAP_PSEARCH_BY_SCOPEOUT);
657 LDAP_LIST_REMOVE ( pm_list, ps_link );
659 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
664 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
665 ldap_pvt_thread_yield();
666 TXN_CHECKPOINT( bdb->bi_dbenv,
667 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
672 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
673 while ( pm_list != NULL ) {
674 LDAP_LIST_REMOVE ( pm_list, ps_link );
676 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
680 op->o_private = NULL;
684 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
686 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );