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 #define INDEXED 0x2000
18 #define NULLIFIED 0x4000
20 int bdb_modify_internal(
23 Modifications *modlist,
32 Attribute *save_attrs;
36 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
37 e->e_id, e->e_dn, 0 );
39 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
43 if ( !acl_check_modlist( op, e, modlist )) {
44 return LDAP_INSUFFICIENT_ACCESS;
47 /* save_attrs will be disposed of by bdb_cache_modify */
48 save_attrs = e->e_attrs;
49 e->e_attrs = attrs_dup( e->e_attrs );
51 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
54 switch ( mod->sm_op ) {
57 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
59 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
61 err = modify_add_values( e, mod, get_permissiveModify(op),
62 text, textbuf, textlen );
63 if( err != LDAP_SUCCESS ) {
65 LDAP_LOG ( OPERATION, ERR,
66 "bdb_modify_internal: %d %s\n", err, *text, 0 );
68 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
76 LDAP_LOG ( OPERATION, DETAIL1,
77 "bdb_modify_internal: delete\n", 0, 0, 0 );
79 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
81 err = modify_delete_values( e, mod, get_permissiveModify(op),
82 text, textbuf, textlen );
83 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
84 if( err != LDAP_SUCCESS ) {
86 LDAP_LOG ( OPERATION, ERR,
87 "bdb_modify_internal: %d %s\n", err, *text, 0 );
89 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
95 case LDAP_MOD_REPLACE:
97 LDAP_LOG ( OPERATION, DETAIL1,
98 "bdb_modify_internal: replace\n", 0, 0, 0 );
100 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
102 err = modify_replace_values( e, mod, get_permissiveModify(op),
103 text, textbuf, textlen );
104 if( err != LDAP_SUCCESS ) {
106 LDAP_LOG ( OPERATION, ERR,
107 "bdb_modify_internal: %d %s\n", err, *text, 0 );
109 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
115 case LDAP_MOD_INCREMENT:
117 LDAP_LOG ( OPERATION, DETAIL1,
118 "bdb_modify_internal: increment\n", 0, 0, 0 );
120 Debug(LDAP_DEBUG_ARGS,
121 "bdb_modify_internal: increment\n", 0, 0, 0);
123 err = modify_increment_values( e, mod, get_permissiveModify(op),
124 text, textbuf, textlen );
125 if( err != LDAP_SUCCESS ) {
127 LDAP_LOG ( OPERATION, ERR,
128 "bdb_modify_internal: %d %s\n", err, *text, 0 );
130 Debug(LDAP_DEBUG_ARGS,
131 "bdb_modify_internal: %d %s\n",
137 case SLAP_MOD_SOFTADD:
139 LDAP_LOG ( OPERATION, DETAIL1,
140 "bdb_modify_internal: softadd\n",0,0,0 );
142 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
144 /* Avoid problems in index_add_mods()
145 * We need to add index if necessary.
147 mod->sm_op = LDAP_MOD_ADD;
149 err = modify_add_values( e, mod, get_permissiveModify(op),
150 text, textbuf, textlen );
152 mod->sm_op = SLAP_MOD_SOFTADD;
154 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
158 if( err != LDAP_SUCCESS ) {
160 LDAP_LOG ( OPERATION, ERR,
161 "bdb_modify_internal: %d %s\n", err, *text, 0 );
163 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
171 LDAP_LOG ( OPERATION, ERR,
172 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
174 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
177 *text = "Invalid modify operation";
180 LDAP_LOG ( OPERATION, ERR,
181 "bdb_modify_internal: %d %s\n", err, *text, 0 );
183 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
188 if ( err != LDAP_SUCCESS ) {
189 attrs_free( e->e_attrs );
190 e->e_attrs = save_attrs;
191 /* unlock entry, delete from cache */
195 /* If objectClass was modified, reset the flags */
196 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
201 /* check that the entry still obeys the schema */
202 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
203 if ( rc != LDAP_SUCCESS || op->o_noop ) {
204 attrs_free( e->e_attrs );
205 e->e_attrs = save_attrs;
207 if ( rc != LDAP_SUCCESS ) {
209 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
210 "entry failed schema check %s\n",
213 Debug( LDAP_DEBUG_ANY,
214 "entry failed schema check: %s\n",
219 /* if NOOP then silently revert to saved attrs */
223 /* update the indices of the modified attributes */
227 /* First look for any deletes that would nullify any adds
228 * in this request. I.e., deleting an entire attribute after
229 * assigning some values to it.
231 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
232 if (bdb_index_is_indexed( op->o_bd, ml->sml_desc ))
234 switch ( ml->sml_op ) {
235 case LDAP_MOD_DELETE:
236 /* If just deleting specific values, ignore */
237 if ( ml->sml_bvalues ) break;
238 case LDAP_MOD_REPLACE:
239 for ( m2 = modlist; m2 != ml; m2 = m2->sml_next ) {
240 if ( m2->sml_desc == ml->sml_desc &&
241 m2->sml_op != LDAP_MOD_DELETE )
242 m2->sml_op |= NULLIFIED;
246 ml->sml_op |= INDEXED;
248 /* Now index the modifications */
249 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
250 if ( ! (ml->sml_op & INDEXED) ) continue;
251 ml->sml_op ^= INDEXED;
252 switch ( ml->sml_op ) {
253 case LDAP_MOD_DELETE:
254 if ( ml->sml_bvalues ) {
255 ap = attr_find( e->e_attrs, ml->sml_desc );
256 rc = bdb_index_values( op, tid, ml->sml_desc,
257 ml->sml_nvalues ? ml->sml_nvalues : ml->sml_bvalues,
258 ap ? ap->a_nvals : NULL,
259 e->e_id, SLAP_INDEX_DELETE_OP );
263 case LDAP_MOD_REPLACE:
264 /* A nullified replace still does its delete action */
265 case LDAP_MOD_REPLACE | NULLIFIED:
266 ap = attr_find( save_attrs, ml->sml_desc );
268 rc = bdb_index_values( op, tid, ap->a_desc,
270 e->e_id, SLAP_INDEX_DELETE_OP );
274 if ( rc || ml->sml_op == LDAP_MOD_DELETE ||
275 (ml->sml_op & NULLIFIED))
279 case SLAP_MOD_SOFTADD:
280 rc = bdb_index_values( op, tid, ml->sml_desc,
281 ml->sml_nvalues ? ml->sml_nvalues : ml->sml_bvalues,
282 NULL, e->e_id, SLAP_INDEX_ADD_OP );
285 ml->sml_op &= ~NULLIFIED;
286 if ( rc != LDAP_SUCCESS ) {
287 attrs_free( e->e_attrs );
288 e->e_attrs = save_attrs;
290 LDAP_LOG ( OPERATION, ERR,
291 "bdb_modify_internal: attribute index update failure\n",
294 Debug( LDAP_DEBUG_ANY,
295 "Attribute index update failure",
298 /* reset our flags */
299 for (; ml; ml=ml->sml_next ) {
300 ml->sml_op &= ~(INDEXED | NULLIFIED);
312 bdb_modify( Operation *op, SlapReply *rs )
314 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
316 EntryInfo *ei = NULL;
317 int manageDSAit = get_manageDSAit( op );
318 char textbuf[SLAP_TEXT_BUFLEN];
319 size_t textlen = sizeof textbuf;
320 DB_TXN *ltid = NULL, *lt2;
321 struct bdb_op_info opinfo;
324 u_int32_t locker = 0;
333 struct psid_entry *pm_list, *pm_prev;
335 EntryInfo *suffix_ei;
337 int ctxcsn_added = 0;
341 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
343 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
347 retry: /* transaction retry */
349 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
353 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
355 Debug(LDAP_DEBUG_TRACE,
356 "bdb_modify: retrying...\n", 0, 0, 0);
360 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
361 while ( pm_list != NULL ) {
362 LDAP_LIST_REMOVE ( pm_list, ps_link );
364 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
369 rs->sr_err = TXN_ABORT( ltid );
371 op->o_private = NULL;
372 op->o_do_not_cache = opinfo.boi_acl_cache;
373 if( rs->sr_err != 0 ) {
374 rs->sr_err = LDAP_OTHER;
375 rs->sr_text = "internal error";
378 bdb_trans_backoff( ++num_retries );
379 ldap_pvt_thread_yield();
382 /* begin transaction */
383 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
384 bdb->bi_db_opflags );
386 if( rs->sr_err != 0 ) {
388 LDAP_LOG ( OPERATION, DETAIL1,
389 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
391 Debug( LDAP_DEBUG_TRACE,
392 "bdb_modify: txn_begin failed: %s (%d)\n",
393 db_strerror(rs->sr_err), rs->sr_err, 0 );
395 rs->sr_err = LDAP_OTHER;
396 rs->sr_text = "internal error";
400 locker = TXN_ID ( ltid );
402 opinfo.boi_bdb = op->o_bd;
403 opinfo.boi_txn = ltid;
404 opinfo.boi_locker = locker;
406 opinfo.boi_acl_cache = op->o_do_not_cache;
407 op->o_private = &opinfo;
409 /* get entry or ancestor */
410 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
413 if ( rs->sr_err != 0 ) {
415 LDAP_LOG ( OPERATION, DETAIL1,
416 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
418 Debug( LDAP_DEBUG_TRACE,
419 "bdb_modify: dn2entry failed (%d)\n",
422 switch( rs->sr_err ) {
423 case DB_LOCK_DEADLOCK:
424 case DB_LOCK_NOTGRANTED:
429 rs->sr_text = "ldap server busy";
432 rs->sr_err = LDAP_OTHER;
433 rs->sr_text = "internal error";
439 /* acquire and lock entry */
440 #ifdef LDAP_SYNCREPL /* FIXME: dn2entry() should return non-glue entry */
441 if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
443 if ( rs->sr_err == DB_NOTFOUND ) {
446 rs->sr_matched = ch_strdup( e->e_dn );
447 rs->sr_ref = is_entry_referral( e )
448 ? get_entry_referrals( op, e )
450 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
455 BerVarray deref = op->o_bd->syncinfo ?
456 op->o_bd->syncinfo->provideruri_bv : default_referral;
458 BerVarray deref = default_referral;
460 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
463 rs->sr_err = LDAP_REFERRAL;
464 send_ldap_result( op, rs );
466 ber_bvarray_free( rs->sr_ref );
467 free( (char *)rs->sr_matched );
469 rs->sr_matched = NULL;
474 if ( !manageDSAit && is_entry_referral( e ) ) {
475 /* entry is a referral, don't allow modify */
476 rs->sr_ref = get_entry_referrals( op, e );
479 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
481 Debug( LDAP_DEBUG_TRACE,
482 "bdb_modify: entry is referral\n",
486 rs->sr_err = LDAP_REFERRAL;
487 rs->sr_matched = e->e_name.bv_val;
488 send_ldap_result( op, rs );
490 ber_bvarray_free( rs->sr_ref );
492 rs->sr_matched = NULL;
496 if ( get_assert( op ) &&
497 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
499 rs->sr_err = LDAP_ASSERTION_FAILED;
504 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
505 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
506 bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
511 /* nested transaction */
512 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
513 bdb->bi_db_opflags );
515 if( rs->sr_err != 0 ) {
517 LDAP_LOG ( OPERATION, ERR,
518 "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
520 Debug( LDAP_DEBUG_TRACE,
521 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
522 db_strerror(rs->sr_err), rs->sr_err, 0 );
524 rs->sr_err = LDAP_OTHER;
525 rs->sr_text = "internal error";
528 /* Modify the entry */
530 rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
531 &dummy, &rs->sr_text, textbuf, textlen );
533 if( rs->sr_err != LDAP_SUCCESS ) {
535 LDAP_LOG ( OPERATION, ERR,
536 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
538 Debug( LDAP_DEBUG_TRACE,
539 "bdb_modify: modify failed (%d)\n",
542 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
543 rs->sr_err = opinfo.boi_err;
545 switch( rs->sr_err ) {
546 case DB_LOCK_DEADLOCK:
547 case DB_LOCK_NOTGRANTED:
553 /* change the entry itself */
554 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
555 if ( rs->sr_err != 0 ) {
557 LDAP_LOG ( OPERATION, ERR,
558 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
560 Debug( LDAP_DEBUG_TRACE,
561 "bdb_modify: id2entry update failed (%d)\n",
564 switch( rs->sr_err ) {
565 case DB_LOCK_DEADLOCK:
566 case DB_LOCK_NOTGRANTED:
569 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";
579 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei, &ctxcsn_e, &ctxcsn_added, locker );
589 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
590 rs->sr_text = "txn_abort (no-op) failed";
593 rs->sr_err = LDAP_SUCCESS;
597 struct berval ctx_nrdn;
600 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
603 if ( ctxcsn_added ) {
604 ctx_nrdn.bv_val = "cn=ldapsync";
605 ctx_nrdn.bv_len = strlen( ctx_nrdn.bv_val );
606 bdb_cache_add( bdb, suffix_ei, ctxcsn_e, &ctx_nrdn, locker );
610 rs->sr_err = TXN_COMMIT( ltid, 0 );
613 op->o_private = NULL;
616 if( rs->sr_err != 0 ) {
618 LDAP_LOG ( OPERATION, ERR,
619 "bdb_modify: txn_%s failed %s (%d)\n",
620 op->o_noop ? "abort (no_op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
622 Debug( LDAP_DEBUG_TRACE,
623 "bdb_modify: txn_%s failed: %s (%d)\n",
624 op->o_noop ? "abort (no-op)" : "commit",
625 db_strerror(rs->sr_err), rs->sr_err );
627 rs->sr_err = LDAP_OTHER;
628 rs->sr_text = "commit failed";
632 LDAP_LOG ( OPERATION, DETAIL1,
633 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
634 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
636 Debug( LDAP_DEBUG_TRACE,
637 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
638 op->o_noop ? " (no-op)" : "",
641 rs->sr_err = LDAP_SUCCESS;
646 send_ldap_result( op, rs );
649 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
650 /* Loop through in-scope entries for each psearch spec */
651 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
652 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
654 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
655 while ( pm_list != NULL ) {
656 bdb_psearch(op, rs, pm_list->ps_op,
657 e, LDAP_PSEARCH_BY_SCOPEOUT);
658 LDAP_LIST_REMOVE ( pm_list, ps_link );
660 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
666 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
667 ldap_pvt_thread_yield();
668 TXN_CHECKPOINT( bdb->bi_dbenv,
669 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
675 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
676 while ( pm_list != NULL ) {
677 LDAP_LIST_REMOVE ( pm_list, ps_link );
679 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
684 op->o_private = NULL;
688 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
690 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );