1/* $NetBSD: modify.c,v 1.1.1.3 2010/12/12 15:22:58 adam Exp $ */ 2 3/* modify.c - bdb backend modify routine */ 4/* OpenLDAP: pkg/ldap/servers/slapd/back-bdb/modify.c,v 1.156.2.19 2010/04/14 23:09:01 quanah Exp */ 5/* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 2000-2010 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in the file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 19#include "portable.h" 20 21#include <stdio.h> 22#include <ac/string.h> 23#include <ac/time.h> 24 25#include "back-bdb.h" 26 27static struct berval scbva[] = { 28 BER_BVC("glue"), 29 BER_BVNULL 30}; 31 32static void 33bdb_modify_idxflags( 34 Operation *op, 35 AttributeDescription *desc, 36 int got_delete, 37 Attribute *newattrs, 38 Attribute *oldattrs ) 39{ 40 struct berval ix_at; 41 AttrInfo *ai; 42 43 /* check if modified attribute was indexed 44 * but not in case of NOOP... */ 45 ai = bdb_index_mask( op->o_bd, desc, &ix_at ); 46 if ( ai ) { 47 if ( got_delete ) { 48 Attribute *ap; 49 struct berval ix2; 50 51 ap = attr_find( oldattrs, desc ); 52 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL; 53 54 /* Find all other attrs that index to same slot */ 55 for ( ap = newattrs; ap; ap = ap->a_next ) { 56 ai = bdb_index_mask( op->o_bd, ap->a_desc, &ix2 ); 57 if ( ai && ix2.bv_val == ix_at.bv_val ) 58 ap->a_flags |= SLAP_ATTR_IXADD; 59 } 60 61 } else { 62 Attribute *ap; 63 64 ap = attr_find( newattrs, desc ); 65 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD; 66 } 67 } 68} 69 70int bdb_modify_internal( 71 Operation *op, 72 DB_TXN *tid, 73 Modifications *modlist, 74 Entry *e, 75 const char **text, 76 char *textbuf, 77 size_t textlen ) 78{ 79 int rc, err; 80 Modification *mod; 81 Modifications *ml; 82 Attribute *save_attrs; 83 Attribute *ap; 84 int glue_attr_delete = 0; 85 int got_delete; 86 87 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n", 88 e->e_id, e->e_dn, 0); 89 90 if ( !acl_check_modlist( op, e, modlist )) { 91 return LDAP_INSUFFICIENT_ACCESS; 92 } 93 94 /* save_attrs will be disposed of by bdb_cache_modify */ 95 save_attrs = e->e_attrs; 96 e->e_attrs = attrs_dup( e->e_attrs ); 97 98 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) { 99 int match; 100 mod = &ml->sml_mod; 101 switch( mod->sm_op ) { 102 case LDAP_MOD_ADD: 103 case LDAP_MOD_REPLACE: 104 if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) { 105 value_match( &match, slap_schema.si_ad_structuralObjectClass, 106 slap_schema.si_ad_structuralObjectClass-> 107 ad_type->sat_equality, 108 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, 109 &mod->sm_values[0], &scbva[0], text ); 110 if ( !match ) glue_attr_delete = 1; 111 } 112 } 113 if ( glue_attr_delete ) 114 break; 115 } 116 117 if ( glue_attr_delete ) { 118 Attribute **app = &e->e_attrs; 119 while ( *app != NULL ) { 120 if ( !is_at_operational( (*app)->a_desc->ad_type )) { 121 Attribute *save = *app; 122 *app = (*app)->a_next; 123 attr_free( save ); 124 continue; 125 } 126 app = &(*app)->a_next; 127 } 128 } 129 130 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) { 131 mod = &ml->sml_mod; 132 got_delete = 0; 133 134 switch ( mod->sm_op ) { 135 case LDAP_MOD_ADD: 136 Debug(LDAP_DEBUG_ARGS, 137 "bdb_modify_internal: add %s\n", 138 mod->sm_desc->ad_cname.bv_val, 0, 0); 139 err = modify_add_values( e, mod, get_permissiveModify(op), 140 text, textbuf, textlen ); 141 if( err != LDAP_SUCCESS ) { 142 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n", 143 err, *text, 0); 144 } 145 break; 146 147 case LDAP_MOD_DELETE: 148 if ( glue_attr_delete ) { 149 err = LDAP_SUCCESS; 150 break; 151 } 152 153 Debug(LDAP_DEBUG_ARGS, 154 "bdb_modify_internal: delete %s\n", 155 mod->sm_desc->ad_cname.bv_val, 0, 0); 156 err = modify_delete_values( e, mod, get_permissiveModify(op), 157 text, textbuf, textlen ); 158 assert( err != LDAP_TYPE_OR_VALUE_EXISTS ); 159 if( err != LDAP_SUCCESS ) { 160 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n", 161 err, *text, 0); 162 } else { 163 got_delete = 1; 164 } 165 break; 166 167 case LDAP_MOD_REPLACE: 168 Debug(LDAP_DEBUG_ARGS, 169 "bdb_modify_internal: replace %s\n", 170 mod->sm_desc->ad_cname.bv_val, 0, 0); 171 err = modify_replace_values( e, mod, get_permissiveModify(op), 172 text, textbuf, textlen ); 173 if( err != LDAP_SUCCESS ) { 174 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n", 175 err, *text, 0); 176 } else { 177 got_delete = 1; 178 } 179 break; 180 181 case LDAP_MOD_INCREMENT: 182 Debug(LDAP_DEBUG_ARGS, 183 "bdb_modify_internal: increment %s\n", 184 mod->sm_desc->ad_cname.bv_val, 0, 0); 185 err = modify_increment_values( e, mod, get_permissiveModify(op), 186 text, textbuf, textlen ); 187 if( err != LDAP_SUCCESS ) { 188 Debug(LDAP_DEBUG_ARGS, 189 "bdb_modify_internal: %d %s\n", 190 err, *text, 0); 191 } else { 192 got_delete = 1; 193 } 194 break; 195 196 case SLAP_MOD_SOFTADD: 197 Debug(LDAP_DEBUG_ARGS, 198 "bdb_modify_internal: softadd %s\n", 199 mod->sm_desc->ad_cname.bv_val, 0, 0); 200 /* Avoid problems in index_add_mods() 201 * We need to add index if necessary. 202 */ 203 mod->sm_op = LDAP_MOD_ADD; 204 205 err = modify_add_values( e, mod, get_permissiveModify(op), 206 text, textbuf, textlen ); 207 208 mod->sm_op = SLAP_MOD_SOFTADD; 209 210 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) { 211 err = LDAP_SUCCESS; 212 } 213 214 if( err != LDAP_SUCCESS ) { 215 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n", 216 err, *text, 0); 217 } 218 break; 219 220 default: 221 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n", 222 mod->sm_op, 0, 0); 223 *text = "Invalid modify operation"; 224 err = LDAP_OTHER; 225 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n", 226 err, *text, 0); 227 } 228 229 if ( err != LDAP_SUCCESS ) { 230 attrs_free( e->e_attrs ); 231 e->e_attrs = save_attrs; 232 /* unlock entry, delete from cache */ 233 return err; 234 } 235 236 /* If objectClass was modified, reset the flags */ 237 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) { 238 e->e_ocflags = 0; 239 } 240 241 if ( glue_attr_delete ) e->e_ocflags = 0; 242 243 244 /* check if modified attribute was indexed 245 * but not in case of NOOP... */ 246 if ( !op->o_noop ) { 247 bdb_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs ); 248 } 249 } 250 251 /* check that the entry still obeys the schema */ 252 ap = NULL; 253 rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap, 254 text, textbuf, textlen ); 255 if ( rc != LDAP_SUCCESS || op->o_noop ) { 256 attrs_free( e->e_attrs ); 257 /* clear the indexing flags */ 258 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) { 259 ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL); 260 } 261 e->e_attrs = save_attrs; 262 263 if ( rc != LDAP_SUCCESS ) { 264 Debug( LDAP_DEBUG_ANY, 265 "entry failed schema check: %s\n", 266 *text, 0, 0 ); 267 } 268 269 /* if NOOP then silently revert to saved attrs */ 270 return rc; 271 } 272 273 /* structuralObjectClass modified! */ 274 if ( ap ) { 275 assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass ); 276 if ( !op->o_noop ) { 277 bdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass, 278 1, e->e_attrs, save_attrs ); 279 } 280 } 281 282 /* update the indices of the modified attributes */ 283 284 /* start with deleting the old index entries */ 285 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) { 286 if ( ap->a_flags & SLAP_ATTR_IXDEL ) { 287 struct berval *vals; 288 Attribute *a2; 289 ap->a_flags &= ~SLAP_ATTR_IXDEL; 290 a2 = attr_find( e->e_attrs, ap->a_desc ); 291 if ( a2 ) { 292 /* need to detect which values were deleted */ 293 int i, j; 294 struct berval tmp; 295 j = ap->a_numvals; 296 for ( i=0; i<j; ) { 297 rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH, 298 &ap->a_nvals[i], NULL, op->o_tmpmemctx ); 299 /* Move deleted values to end of array */ 300 if ( rc == LDAP_NO_SUCH_ATTRIBUTE ) { 301 j--; 302 if ( i != j ) { 303 tmp = ap->a_nvals[j]; 304 ap->a_nvals[j] = ap->a_nvals[i]; 305 ap->a_nvals[i] = tmp; 306 tmp = ap->a_vals[j]; 307 ap->a_vals[j] = ap->a_vals[i]; 308 ap->a_vals[i] = tmp; 309 } 310 continue; 311 } 312 i++; 313 } 314 vals = &ap->a_nvals[j]; 315 } else { 316 /* attribute was completely deleted */ 317 vals = ap->a_nvals; 318 } 319 if ( !BER_BVISNULL( vals )) { 320 rc = bdb_index_values( op, tid, ap->a_desc, 321 vals, e->e_id, SLAP_INDEX_DELETE_OP ); 322 if ( rc != LDAP_SUCCESS ) { 323 Debug( LDAP_DEBUG_ANY, 324 "%s: attribute \"%s\" index delete failure\n", 325 op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 ); 326 attrs_free( e->e_attrs ); 327 e->e_attrs = save_attrs; 328 return rc; 329 } 330 } 331 } 332 } 333 334 /* add the new index entries */ 335 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) { 336 if (ap->a_flags & SLAP_ATTR_IXADD) { 337 ap->a_flags &= ~SLAP_ATTR_IXADD; 338 rc = bdb_index_values( op, tid, ap->a_desc, 339 ap->a_nvals, 340 e->e_id, SLAP_INDEX_ADD_OP ); 341 if ( rc != LDAP_SUCCESS ) { 342 Debug( LDAP_DEBUG_ANY, 343 "%s: attribute \"%s\" index add failure\n", 344 op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 ); 345 attrs_free( e->e_attrs ); 346 e->e_attrs = save_attrs; 347 return rc; 348 } 349 } 350 } 351 352 return rc; 353} 354 355 356int 357bdb_modify( Operation *op, SlapReply *rs ) 358{ 359 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private; 360 Entry *e = NULL; 361 EntryInfo *ei = NULL; 362 int manageDSAit = get_manageDSAit( op ); 363 char textbuf[SLAP_TEXT_BUFLEN]; 364 size_t textlen = sizeof textbuf; 365 DB_TXN *ltid = NULL, *lt2; 366 struct bdb_op_info opinfo = {{{ 0 }}}; 367 Entry dummy = {0}; 368 369 DB_LOCK lock; 370 371 int num_retries = 0; 372 373 LDAPControl **preread_ctrl = NULL; 374 LDAPControl **postread_ctrl = NULL; 375 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; 376 int num_ctrls = 0; 377 378 int rc; 379 380#ifdef LDAP_X_TXN 381 int settle = 0; 382#endif 383 384 Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n", 385 op->o_req_dn.bv_val, 0, 0 ); 386 387#ifdef LDAP_X_TXN 388 if( op->o_txnSpec ) { 389 /* acquire connection lock */ 390 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); 391 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) { 392 rs->sr_text = "invalid transaction identifier"; 393 rs->sr_err = LDAP_X_TXN_ID_INVALID; 394 goto txnReturn; 395 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) { 396 settle=1; 397 goto txnReturn; 398 } 399 400 if( op->o_conn->c_txn_backend == NULL ) { 401 op->o_conn->c_txn_backend = op->o_bd; 402 403 } else if( op->o_conn->c_txn_backend != op->o_bd ) { 404 rs->sr_text = "transaction cannot span multiple database contexts"; 405 rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS; 406 goto txnReturn; 407 } 408 409 /* insert operation into transaction */ 410 411 rs->sr_text = "transaction specified"; 412 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY; 413 414txnReturn: 415 /* release connection lock */ 416 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); 417 418 if( !settle ) { 419 send_ldap_result( op, rs ); 420 return rs->sr_err; 421 } 422 } 423#endif 424 425 ctrls[num_ctrls] = NULL; 426 427 /* Don't touch the opattrs, if this is a contextCSN update 428 * initiated from updatedn */ 429 if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next || 430 op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) { 431 432 slap_mods_opattrs( op, &op->orm_modlist, 1 ); 433 } 434 435 if( 0 ) { 436retry: /* transaction retry */ 437 if ( dummy.e_attrs ) { 438 attrs_free( dummy.e_attrs ); 439 dummy.e_attrs = NULL; 440 } 441 if( e != NULL ) { 442 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e); 443 e = NULL; 444 } 445 Debug(LDAP_DEBUG_TRACE, 446 LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0); 447 448 rs->sr_err = TXN_ABORT( ltid ); 449 ltid = NULL; 450 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); 451 opinfo.boi_oe.oe_key = NULL; 452 op->o_do_not_cache = opinfo.boi_acl_cache; 453 if( rs->sr_err != 0 ) { 454 rs->sr_err = LDAP_OTHER; 455 rs->sr_text = "internal error"; 456 goto return_results; 457 } 458 if ( op->o_abandon ) { 459 rs->sr_err = SLAPD_ABANDON; 460 goto return_results; 461 } 462 bdb_trans_backoff( ++num_retries ); 463 } 464 465 /* begin transaction */ 466 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id, 467 bdb->bi_db_opflags ); 468 rs->sr_text = NULL; 469 if( rs->sr_err != 0 ) { 470 Debug( LDAP_DEBUG_TRACE, 471 LDAP_XSTRING(bdb_modify) ": txn_begin failed: " 472 "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 ); 473 rs->sr_err = LDAP_OTHER; 474 rs->sr_text = "internal error"; 475 goto return_results; 476 } 477 478 opinfo.boi_oe.oe_key = bdb; 479 opinfo.boi_txn = ltid; 480 opinfo.boi_err = 0; 481 opinfo.boi_acl_cache = op->o_do_not_cache; 482 LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next ); 483 484 /* get entry or ancestor */ 485 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1, 486 &lock ); 487 488 if ( rs->sr_err != 0 ) { 489 Debug( LDAP_DEBUG_TRACE, 490 LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n", 491 rs->sr_err, 0, 0 ); 492 switch( rs->sr_err ) { 493 case DB_LOCK_DEADLOCK: 494 case DB_LOCK_NOTGRANTED: 495 goto retry; 496 case DB_NOTFOUND: 497 break; 498 case LDAP_BUSY: 499 rs->sr_text = "ldap server busy"; 500 goto return_results; 501 default: 502 rs->sr_err = LDAP_OTHER; 503 rs->sr_text = "internal error"; 504 goto return_results; 505 } 506 } 507 508 e = ei->bei_e; 509 510 /* acquire and lock entry */ 511 /* FIXME: dn2entry() should return non-glue entry */ 512 if (( rs->sr_err == DB_NOTFOUND ) || 513 ( !manageDSAit && e && is_entry_glue( e ))) 514 { 515 if ( e != NULL ) { 516 rs->sr_matched = ch_strdup( e->e_dn ); 517 rs->sr_ref = is_entry_referral( e ) 518 ? get_entry_referrals( op, e ) 519 : NULL; 520 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e); 521 e = NULL; 522 523 } else { 524 rs->sr_ref = referral_rewrite( default_referral, NULL, 525 &op->o_req_dn, LDAP_SCOPE_DEFAULT ); 526 } 527 528 rs->sr_err = LDAP_REFERRAL; 529 send_ldap_result( op, rs ); 530 531 if ( rs->sr_ref != default_referral ) { 532 ber_bvarray_free( rs->sr_ref ); 533 } 534 free( (char *)rs->sr_matched ); 535 rs->sr_ref = NULL; 536 rs->sr_matched = NULL; 537 538 goto done; 539 } 540 541 if ( !manageDSAit && is_entry_referral( e ) ) { 542 /* entry is a referral, don't allow modify */ 543 rs->sr_ref = get_entry_referrals( op, e ); 544 545 Debug( LDAP_DEBUG_TRACE, 546 LDAP_XSTRING(bdb_modify) ": entry is referral\n", 547 0, 0, 0 ); 548 549 rs->sr_err = LDAP_REFERRAL; 550 rs->sr_matched = e->e_name.bv_val; 551 send_ldap_result( op, rs ); 552 553 ber_bvarray_free( rs->sr_ref ); 554 rs->sr_ref = NULL; 555 rs->sr_matched = NULL; 556 goto done; 557 } 558 559 if ( get_assert( op ) && 560 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE )) 561 { 562 rs->sr_err = LDAP_ASSERTION_FAILED; 563 goto return_results; 564 } 565 566 if( op->o_preread ) { 567 if( preread_ctrl == NULL ) { 568 preread_ctrl = &ctrls[num_ctrls++]; 569 ctrls[num_ctrls] = NULL; 570 } 571 if ( slap_read_controls( op, rs, e, 572 &slap_pre_read_bv, preread_ctrl ) ) 573 { 574 Debug( LDAP_DEBUG_TRACE, 575 "<=- " LDAP_XSTRING(bdb_modify) ": pre-read " 576 "failed!\n", 0, 0, 0 ); 577 if ( op->o_preread & SLAP_CONTROL_CRITICAL ) { 578 /* FIXME: is it correct to abort 579 * operation if control fails? */ 580 goto return_results; 581 } 582 } 583 } 584 585 /* nested transaction */ 586 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2, bdb->bi_db_opflags ); 587 rs->sr_text = NULL; 588 if( rs->sr_err != 0 ) { 589 Debug( LDAP_DEBUG_TRACE, 590 LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n", 591 db_strerror(rs->sr_err), rs->sr_err, 0 ); 592 rs->sr_err = LDAP_OTHER; 593 rs->sr_text = "internal error"; 594 goto return_results; 595 } 596 /* Modify the entry */ 597 dummy = *e; 598 rs->sr_err = bdb_modify_internal( op, lt2, op->orm_modlist, 599 &dummy, &rs->sr_text, textbuf, textlen ); 600 601 if( rs->sr_err != LDAP_SUCCESS ) { 602 Debug( LDAP_DEBUG_TRACE, 603 LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n", 604 rs->sr_err, 0, 0 ); 605 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) { 606 rs->sr_err = opinfo.boi_err; 607 } 608 /* Only free attrs if they were dup'd. */ 609 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; 610 switch( rs->sr_err ) { 611 case DB_LOCK_DEADLOCK: 612 case DB_LOCK_NOTGRANTED: 613 goto retry; 614 } 615 goto return_results; 616 } 617 618 /* change the entry itself */ 619 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy ); 620 if ( rs->sr_err != 0 ) { 621 Debug( LDAP_DEBUG_TRACE, 622 LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n", 623 rs->sr_err, 0, 0 ); 624 switch( rs->sr_err ) { 625 case DB_LOCK_DEADLOCK: 626 case DB_LOCK_NOTGRANTED: 627 goto retry; 628 } 629 rs->sr_text = "entry update failed"; 630 goto return_results; 631 } 632 633 if ( TXN_COMMIT( lt2, 0 ) != 0 ) { 634 rs->sr_err = LDAP_OTHER; 635 rs->sr_text = "txn_commit(2) failed"; 636 goto return_results; 637 } 638 639 if( op->o_postread ) { 640 if( postread_ctrl == NULL ) { 641 postread_ctrl = &ctrls[num_ctrls++]; 642 ctrls[num_ctrls] = NULL; 643 } 644 if( slap_read_controls( op, rs, &dummy, 645 &slap_post_read_bv, postread_ctrl ) ) 646 { 647 Debug( LDAP_DEBUG_TRACE, 648 "<=- " LDAP_XSTRING(bdb_modify) 649 ": post-read failed!\n", 0, 0, 0 ); 650 if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { 651 /* FIXME: is it correct to abort 652 * operation if control fails? */ 653 goto return_results; 654 } 655 } 656 } 657 658 if( op->o_noop ) { 659 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) { 660 rs->sr_text = "txn_abort (no-op) failed"; 661 } else { 662 rs->sr_err = LDAP_X_NO_OPERATION; 663 ltid = NULL; 664 /* Only free attrs if they were dup'd. */ 665 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL; 666 goto return_results; 667 } 668 } else { 669 /* may have changed in bdb_modify_internal() */ 670 e->e_ocflags = dummy.e_ocflags; 671 rc = bdb_cache_modify( bdb, e, dummy.e_attrs, ltid, &lock ); 672 switch( rc ) { 673 case DB_LOCK_DEADLOCK: 674 case DB_LOCK_NOTGRANTED: 675 goto retry; 676 } 677 dummy.e_attrs = NULL; 678 679 rs->sr_err = TXN_COMMIT( ltid, 0 ); 680 } 681 ltid = NULL; 682 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); 683 opinfo.boi_oe.oe_key = NULL; 684 685 if( rs->sr_err != 0 ) { 686 Debug( LDAP_DEBUG_TRACE, 687 LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n", 688 op->o_noop ? "abort (no-op)" : "commit", 689 db_strerror(rs->sr_err), rs->sr_err ); 690 rs->sr_err = LDAP_OTHER; 691 rs->sr_text = "commit failed"; 692 693 goto return_results; 694 } 695 696 Debug( LDAP_DEBUG_TRACE, 697 LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n", 698 op->o_noop ? " (no-op)" : "", 699 dummy.e_id, op->o_req_dn.bv_val ); 700 701 rs->sr_err = LDAP_SUCCESS; 702 rs->sr_text = NULL; 703 if( num_ctrls ) rs->sr_ctrls = ctrls; 704 705return_results: 706 if( dummy.e_attrs ) { 707 attrs_free( dummy.e_attrs ); 708 } 709 send_ldap_result( op, rs ); 710 711 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) { 712 TXN_CHECKPOINT( bdb->bi_dbenv, 713 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 ); 714 } 715 716done: 717 slap_graduate_commit_csn( op ); 718 719 if( ltid != NULL ) { 720 TXN_ABORT( ltid ); 721 } 722 if ( opinfo.boi_oe.oe_key ) { 723 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next ); 724 } 725 726 if( e != NULL ) { 727 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e); 728 } 729 730 if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) { 731 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); 732 slap_sl_free( *preread_ctrl, op->o_tmpmemctx ); 733 } 734 if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { 735 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); 736 slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); 737 } 738 739 rs->sr_text = NULL; 740 741 return rs->sr_err; 742} 743