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 = e->e_attrs;
45 e->e_attrs = attrs_dup( e->e_attrs );
47 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
50 switch ( mod->sm_op ) {
53 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
55 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
57 err = modify_add_values( e, mod, get_permissiveModify(op),
58 text, textbuf, textlen );
59 if( err != LDAP_SUCCESS ) {
61 LDAP_LOG ( OPERATION, ERR,
62 "bdb_modify_internal: %d %s\n", err, *text, 0 );
64 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
72 LDAP_LOG ( OPERATION, DETAIL1,
73 "bdb_modify_internal: delete\n", 0, 0, 0 );
75 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
77 err = modify_delete_values( e, mod, get_permissiveModify(op),
78 text, textbuf, textlen );
79 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
80 if( err != LDAP_SUCCESS ) {
82 LDAP_LOG ( OPERATION, ERR,
83 "bdb_modify_internal: %d %s\n", err, *text, 0 );
85 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
91 case LDAP_MOD_REPLACE:
93 LDAP_LOG ( OPERATION, DETAIL1,
94 "bdb_modify_internal: replace\n", 0, 0, 0 );
96 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
98 err = modify_replace_values( e, mod, get_permissiveModify(op),
99 text, textbuf, textlen );
100 if( err != LDAP_SUCCESS ) {
102 LDAP_LOG ( OPERATION, ERR,
103 "bdb_modify_internal: %d %s\n", err, *text, 0 );
105 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
111 case SLAP_MOD_SOFTADD:
113 LDAP_LOG ( OPERATION, DETAIL1,
114 "bdb_modify_internal: softadd\n",0,0,0 );
116 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
118 /* Avoid problems in index_add_mods()
119 * We need to add index if necessary.
121 mod->sm_op = LDAP_MOD_ADD;
123 err = modify_add_values( e, mod, get_permissiveModify(op),
124 text, textbuf, textlen );
125 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
129 if( err != LDAP_SUCCESS ) {
131 LDAP_LOG ( OPERATION, ERR,
132 "bdb_modify_internal: %d %s\n", err, *text, 0 );
134 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
142 LDAP_LOG ( OPERATION, ERR,
143 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
145 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
148 *text = "Invalid modify operation";
151 LDAP_LOG ( OPERATION, ERR,
152 "bdb_modify_internal: %d %s\n", err, *text, 0 );
154 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
159 if ( err != LDAP_SUCCESS ) {
160 attrs_free( e->e_attrs );
161 e->e_attrs = save_attrs;
162 /* unlock entry, delete from cache */
166 /* If objectClass was modified, reset the flags */
167 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
171 /* check if modified attribute was indexed
172 * but not in case of NOOP... */
173 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
174 if ( err == LDAP_SUCCESS && !op->o_noop ) {
175 ap = attr_find( save_attrs, mod->sm_desc );
176 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
178 ap = attr_find( e->e_attrs, mod->sm_desc );
179 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
183 /* check that the entry still obeys the schema */
184 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
185 if ( rc != LDAP_SUCCESS || op->o_noop ) {
186 attrs_free( e->e_attrs );
187 e->e_attrs = save_attrs;
189 if ( rc != LDAP_SUCCESS ) {
191 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
192 "entry failed schema check %s\n",
195 Debug( LDAP_DEBUG_ANY,
196 "entry failed schema check: %s\n",
201 /* if NOOP then silently revert to saved attrs */
205 /* update the indices of the modified attributes */
207 /* start with deleting the old index entries */
208 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
209 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
210 rc = bdb_index_values( op->o_bd, tid, ap->a_desc,
216 e->e_id, SLAP_INDEX_DELETE_OP );
217 if ( rc != LDAP_SUCCESS ) {
218 attrs_free( e->e_attrs );
219 e->e_attrs = save_attrs;
221 LDAP_LOG ( OPERATION, ERR,
222 "bdb_modify_internal: attribute index delete failure\n",
225 Debug( LDAP_DEBUG_ANY,
226 "Attribute index delete failure",
231 ap->a_flags &= ~SLAP_ATTR_IXDEL;
235 /* add the new index entries */
236 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
237 if (ap->a_flags & SLAP_ATTR_IXADD) {
238 rc = bdb_index_values( op->o_bd, tid, ap->a_desc,
244 e->e_id, SLAP_INDEX_ADD_OP );
245 if ( rc != LDAP_SUCCESS ) {
246 attrs_free( e->e_attrs );
247 e->e_attrs = save_attrs;
249 LDAP_LOG ( OPERATION, ERR,
250 "bdb_modify_internal: attribute index add failure\n",
253 Debug( LDAP_DEBUG_ANY,
254 "Attribute index add failure",
259 ap->a_flags &= ~SLAP_ATTR_IXADD;
263 /* If we've done repeated mods on a cached entry, then e_attrs
264 * is no longer contiguous with the entry.
266 if( (void *) save_attrs != (void *) (e+1)) {
267 attrs_free( save_attrs );
275 bdb_modify( Operation *op, SlapReply *rs )
277 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
278 Entry *matched = NULL;
280 int manageDSAit = get_manageDSAit( op );
281 char textbuf[SLAP_TEXT_BUFLEN];
282 size_t textlen = sizeof textbuf;
284 struct bdb_op_info opinfo;
286 u_int32_t locker = 0;
291 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
293 struct psid_entry *pm_list, *pm_prev;
297 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
299 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
303 retry: /* transaction retry */
305 bdb_cache_delete_entry(&bdb->bi_cache, e);
306 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
309 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
311 Debug(LDAP_DEBUG_TRACE,
312 "bdb_modify: retrying...\n", 0, 0, 0);
315 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
316 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
317 while ( pm_list != NULL ) {
318 LDAP_LIST_REMOVE ( pm_list, ps_link );
320 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
325 rs->sr_err = TXN_ABORT( ltid );
327 op->o_private = NULL;
328 op->o_do_not_cache = opinfo.boi_acl_cache;
329 if( rs->sr_err != 0 ) {
330 rs->sr_err = LDAP_OTHER;
331 rs->sr_text = "internal error";
334 ldap_pvt_thread_yield();
337 /* begin transaction */
338 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
339 bdb->bi_db_opflags );
341 if( rs->sr_err != 0 ) {
343 LDAP_LOG ( OPERATION, DETAIL1,
344 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
346 Debug( LDAP_DEBUG_TRACE,
347 "bdb_modify: txn_begin failed: %s (%d)\n",
348 db_strerror(rs->sr_err), rs->sr_err, 0 );
350 rs->sr_err = LDAP_OTHER;
351 rs->sr_text = "internal error";
355 locker = TXN_ID ( ltid );
357 opinfo.boi_bdb = op->o_bd;
358 opinfo.boi_txn = ltid;
359 opinfo.boi_locker = locker;
361 opinfo.boi_acl_cache = op->o_do_not_cache;
362 op->o_private = &opinfo;
365 rs->sr_err = bdb_dn2entry_w( op->o_bd, ltid, &op->o_req_ndn, &e, &matched, 0, locker, &lock );
367 if ( rs->sr_err != 0 ) {
369 LDAP_LOG ( OPERATION, DETAIL1,
370 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
372 Debug( LDAP_DEBUG_TRACE,
373 "bdb_modify: dn2entry failed (%d)\n",
376 switch( rs->sr_err ) {
377 case DB_LOCK_DEADLOCK:
378 case DB_LOCK_NOTGRANTED:
383 rs->sr_text = "ldap server busy";
386 rs->sr_err = LDAP_OTHER;
387 rs->sr_text = "internal error";
392 /* acquire and lock entry */
394 if ( matched != NULL ) {
395 rs->sr_matched = ch_strdup( matched->e_dn );
396 rs->sr_ref = is_entry_referral( matched )
397 ? get_entry_referrals( op, matched )
399 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, matched);
403 rs->sr_ref = referral_rewrite( default_referral,
404 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
407 rs->sr_err = LDAP_REFERRAL;
408 send_ldap_result( op, rs );
410 ber_bvarray_free( rs->sr_ref );
411 free( (char *)rs->sr_matched );
413 rs->sr_matched = NULL;
418 if ( !manageDSAit && is_entry_referral( e ) ) {
419 /* entry is a referral, don't allow modify */
420 rs->sr_ref = get_entry_referrals( op, e );
423 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
425 Debug( LDAP_DEBUG_TRACE,
426 "bdb_modify: entry is referral\n",
430 rs->sr_err = LDAP_REFERRAL;
431 rs->sr_matched = e->e_name.bv_val;
432 send_ldap_result( op, rs );
434 ber_bvarray_free( rs->sr_ref );
436 rs->sr_matched = NULL;
440 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
441 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
442 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
443 bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
448 /* Modify the entry */
449 rs->sr_err = bdb_modify_internal( op, ltid, op->oq_modify.rs_modlist, e,
450 &rs->sr_text, textbuf, textlen );
452 if( rs->sr_err != LDAP_SUCCESS ) {
454 LDAP_LOG ( OPERATION, ERR,
455 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
457 Debug( LDAP_DEBUG_TRACE,
458 "bdb_modify: modify failed (%d)\n",
461 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
462 rs->sr_err = opinfo.boi_err;
464 switch( rs->sr_err ) {
465 case DB_LOCK_DEADLOCK:
466 case DB_LOCK_NOTGRANTED:
472 /* change the entry itself */
473 rs->sr_err = bdb_id2entry_update( op->o_bd, ltid, e );
474 if ( rs->sr_err != 0 ) {
476 LDAP_LOG ( OPERATION, ERR,
477 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
479 Debug( LDAP_DEBUG_TRACE,
480 "bdb_modify: id2entry update failed (%d)\n",
483 switch( rs->sr_err ) {
484 case DB_LOCK_DEADLOCK:
485 case DB_LOCK_NOTGRANTED:
488 rs->sr_text = "entry update failed";
493 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
494 rs->sr_text = "txn_abort (no-op) failed";
497 rs->sr_err = LDAP_SUCCESS;
500 rs->sr_err = TXN_COMMIT( ltid, 0 );
503 op->o_private = NULL;
505 if( rs->sr_err != 0 ) {
507 LDAP_LOG ( OPERATION, ERR,
508 "bdb_modify: txn_%s failed %s (%d)\n",
509 op->o_noop ? "abort (no_op)" : "commit", db_strerror(rs->sr_err), rs->sr_err );
511 Debug( LDAP_DEBUG_TRACE,
512 "bdb_modify: txn_%s failed: %s (%d)\n",
513 op->o_noop ? "abort (no-op)" : "commit",
514 db_strerror(rs->sr_err), rs->sr_err );
516 rs->sr_err = LDAP_OTHER;
517 rs->sr_text = "commit failed";
521 LDAP_LOG ( OPERATION, DETAIL1,
522 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
523 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
525 Debug( LDAP_DEBUG_TRACE,
526 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
527 op->o_noop ? " (no-op)" : "",
530 rs->sr_err = LDAP_SUCCESS;
535 send_ldap_result( op, rs );
537 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
538 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
539 /* Loop through in-scope entries for each psearch spec */
540 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
541 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
543 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
544 while ( pm_list != NULL ) {
545 bdb_psearch(op, rs, pm_list->ps_op,
546 e, LDAP_PSEARCH_BY_SCOPEOUT);
547 LDAP_LIST_REMOVE ( pm_list, ps_link );
549 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
555 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
556 ldap_pvt_thread_yield();
557 TXN_CHECKPOINT( bdb->bi_dbenv,
558 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
563 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
564 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
565 while ( pm_list != NULL ) {
566 LDAP_LIST_REMOVE ( pm_list, ps_link );
568 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
573 op->o_private = NULL;
577 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
579 return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );