git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/modrdn.c

   1 /* modrdn.c - bdb backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2006 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  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>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-bdb.h"
  23
  24 int
  25 bdb_modrdn( Operation   *op, SlapReply *rs )
  26 {
  27         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  28         AttributeDescription *children = slap_schema.si_ad_children;
  29         AttributeDescription *entry = slap_schema.si_ad_entry;
  30         struct berval   p_dn, p_ndn;
  31         struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
  32         Entry           *e = NULL;
  33         Entry           *p = NULL;
  34         EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
  35         /* LDAP v2 supporting correct attribute handling. */
  36         char textbuf[SLAP_TEXT_BUFLEN];
  37         size_t textlen = sizeof textbuf;
  38         DB_TXN          *ltid = NULL, *lt2;
  39         struct bdb_op_info opinfo = {0};
  40         Entry dummy = {0};
  41
  42         Entry           *np = NULL;                     /* newSuperior Entry */
  43         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  44         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  45         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  46
  47         int             manageDSAit = get_manageDSAit( op );
  48
  49         u_int32_t       locker = 0;
  50         DB_LOCK         lock, plock, nplock;
  51
  52         int             num_retries = 0;
  53
  54         LDAPControl **preread_ctrl = NULL;
  55         LDAPControl **postread_ctrl = NULL;
  56         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  57         int num_ctrls = 0;
  58
  59         int     rc;
  60
  61         int parent_is_glue = 0;
  62         int parent_is_leaf = 0;
  63
  64         ctrls[num_ctrls] = NULL;
  65
  66         Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
  67                 op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
  68                 op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
  69
  70         if ( !SLAP_SHADOW( op->o_bd ))
  71                 slap_mods_opattrs( op, &op->orr_modlist, 1 );
  72
  73         if( 0 ) {
  74 retry:  /* transaction retry */
  75                 if ( dummy.e_attrs ) {
  76                         attrs_free( dummy.e_attrs );
  77                         dummy.e_attrs = NULL;
  78                 }
  79                 if (e != NULL) {
  80                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  81                         e = NULL;
  82                 }
  83                 if (p != NULL) {
  84                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  85                         p = NULL;
  86                 }
  87                 if (np != NULL) {
  88                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  89                         np = NULL;
  90                 }
  91                 Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn)
  92                                 ": retrying...\n", 0, 0, 0 );
  93
  94                 rs->sr_err = TXN_ABORT( ltid );
  95                 ltid = NULL;
  96                 op->o_private = NULL;
  97                 op->o_do_not_cache = opinfo.boi_acl_cache;
  98                 if( rs->sr_err != 0 ) {
  99                         rs->sr_err = LDAP_OTHER;
 100                         rs->sr_text = "internal error";
 101                         goto return_results;
 102                 }
 103                 if ( op->o_abandon ) {
 104                         rs->sr_err = SLAPD_ABANDON;
 105                         goto return_results;
 106                 }
 107                 parent_is_glue = 0;
 108                 parent_is_leaf = 0;
 109                 ldap_pvt_thread_yield();
 110                 bdb_trans_backoff( ++num_retries );
 111         }
 112
 113         /* begin transaction */
 114         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 115                 bdb->bi_db_opflags );
 116         rs->sr_text = NULL;
 117         if( rs->sr_err != 0 ) {
 118                 Debug( LDAP_DEBUG_TRACE,
 119                         LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: "
 120                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 121                 rs->sr_err = LDAP_OTHER;
 122                 rs->sr_text = "internal error";
 123                 goto return_results;
 124         }
 125
 126         locker = TXN_ID ( ltid );
 127
 128         opinfo.boi_bdb = op->o_bd;
 129         opinfo.boi_txn = ltid;
 130         opinfo.boi_locker = locker;
 131         opinfo.boi_err = 0;
 132         opinfo.boi_acl_cache = op->o_do_not_cache;
 133         op->o_private = &opinfo;
 134
 135         /* get entry */
 136         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 137                 locker, &lock );
 138
 139         switch( rs->sr_err ) {
 140         case 0:
 141         case DB_NOTFOUND:
 142                 break;
 143         case DB_LOCK_DEADLOCK:
 144         case DB_LOCK_NOTGRANTED:
 145                 goto retry;
 146         case LDAP_BUSY:
 147                 rs->sr_text = "ldap server busy";
 148                 goto return_results;
 149         default:
 150                 rs->sr_err = LDAP_OTHER;
 151                 rs->sr_text = "internal error";
 152                 goto return_results;
 153         }
 154
 155         e = ei->bei_e;
 156         /* FIXME: dn2entry() should return non-glue entry */
 157         if (( rs->sr_err == DB_NOTFOUND ) ||
 158                 ( !manageDSAit && e && is_entry_glue( e )))
 159         {
 160                 if( e != NULL ) {
 161                         rs->sr_matched = ch_strdup( e->e_dn );
 162                         rs->sr_ref = is_entry_referral( e )
 163                                 ? get_entry_referrals( op, e )
 164                                 : NULL;
 165                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
 166                         e = NULL;
 167
 168                 } else {
 169                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 170                                         &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 171                 }
 172
 173                 rs->sr_err = LDAP_REFERRAL;
 174                 send_ldap_result( op, rs );
 175
 176                 ber_bvarray_free( rs->sr_ref );
 177                 free( (char *)rs->sr_matched );
 178                 rs->sr_ref = NULL;
 179                 rs->sr_matched = NULL;
 180
 181                 goto done;
 182         }
 183
 184         if ( get_assert( op ) &&
 185                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 186         {
 187                 rs->sr_err = LDAP_ASSERTION_FAILED;
 188                 goto return_results;
 189         }
 190
 191         /* check write on old entry */
 192         rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
 193         if ( ! rs->sr_err ) {
 194                 switch( opinfo.boi_err ) {
 195                 case DB_LOCK_DEADLOCK:
 196                 case DB_LOCK_NOTGRANTED:
 197                         goto retry;
 198                 }
 199
 200                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 201                         0, 0 );
 202                 rs->sr_text = "no write access to old entry";
 203                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 204                 goto return_results;
 205         }
 206
 207 #ifndef BDB_HIER
 208         rs->sr_err = bdb_cache_children( op, ltid, e );
 209         if ( rs->sr_err != DB_NOTFOUND ) {
 210                 switch( rs->sr_err ) {
 211                 case DB_LOCK_DEADLOCK:
 212                 case DB_LOCK_NOTGRANTED:
 213                         goto retry;
 214                 case 0:
 215                         Debug(LDAP_DEBUG_ARGS,
 216                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 217                                 ": non-leaf %s\n",
 218                                 op->o_req_dn.bv_val, 0, 0);
 219                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 220                         rs->sr_text = "subtree rename not supported";
 221                         break;
 222                 default:
 223                         Debug(LDAP_DEBUG_ARGS,
 224                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 225                                 ": has_children failed: %s (%d)\n",
 226                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 227                         rs->sr_err = LDAP_OTHER;
 228                         rs->sr_text = "internal error";
 229                 }
 230                 goto return_results;
 231         }
 232         ei->bei_state |= CACHE_ENTRY_NO_KIDS;
 233 #endif
 234
 235         if (!manageDSAit && is_entry_referral( e ) ) {
 236                 /* parent is a referral, don't allow add */
 237                 rs->sr_ref = get_entry_referrals( op, e );
 238
 239                 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 240                         ": entry %s is referral\n", e->e_dn, 0, 0 );
 241
 242                 rs->sr_err = LDAP_REFERRAL,
 243                 rs->sr_matched = e->e_name.bv_val;
 244                 send_ldap_result( op, rs );
 245
 246                 ber_bvarray_free( rs->sr_ref );
 247                 rs->sr_ref = NULL;
 248                 rs->sr_matched = NULL;
 249                 goto done;
 250         }
 251
 252         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 253 #ifdef BDB_MULTIPLE_SUFFIXES
 254                 /* Allow renaming one suffix entry to another */
 255                 p_ndn = slap_empty_bv;
 256 #else
 257                 /* There can only be one suffix entry */
 258                 rs->sr_err = LDAP_NAMING_VIOLATION;
 259                 rs->sr_text = "cannot rename suffix entry";
 260                 goto return_results;
 261 #endif
 262         } else {
 263                 dnParent( &e->e_nname, &p_ndn );
 264         }
 265         np_ndn = &p_ndn;
 266         if ( p_ndn.bv_len != 0 ) {
 267                 /* Make sure parent entry exist and we can write its
 268                  * children.
 269                  */
 270                 eip = ei->bei_parent;
 271                 rs->sr_err = bdb_cache_find_id( op, ltid,
 272                         eip->bei_id, &eip, 0, locker, &plock );
 273
 274                 switch( rs->sr_err ) {
 275                 case 0:
 276                 case DB_NOTFOUND:
 277                         break;
 278                 case DB_LOCK_DEADLOCK:
 279                 case DB_LOCK_NOTGRANTED:
 280                         goto retry;
 281                 case LDAP_BUSY:
 282                         rs->sr_text = "ldap server busy";
 283                         goto return_results;
 284                 default:
 285                         rs->sr_err = LDAP_OTHER;
 286                         rs->sr_text = "internal error";
 287                         goto return_results;
 288                 }
 289
 290                 p = eip->bei_e;
 291                 if( p == NULL) {
 292                         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 293                                 ": parent does not exist\n", 0, 0, 0);
 294                         rs->sr_err = LDAP_OTHER;
 295                         rs->sr_text = "old entry's parent does not exist";
 296                         goto return_results;
 297                 }
 298         } else {
 299                 p = (Entry *)&slap_entry_root;
 300         }
 301
 302         /* check parent for "children" acl */
 303         rs->sr_err = access_allowed( op, p,
 304                 children, NULL,
 305                 op->oq_modrdn.rs_newSup == NULL ?
 306                         ACL_WRITE : ACL_WDEL,
 307                 NULL );
 308
 309         if ( !p_ndn.bv_len )
 310                 p = NULL;
 311
 312         if ( ! rs->sr_err ) {
 313                 switch( opinfo.boi_err ) {
 314                 case DB_LOCK_DEADLOCK:
 315                 case DB_LOCK_NOTGRANTED:
 316                         goto retry;
 317                 }
 318
 319                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 320                 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 321                         0, 0 );
 322                 rs->sr_text = "no write access to old parent's children";
 323                 goto return_results;
 324         }
 325
 326         Debug( LDAP_DEBUG_TRACE,
 327                 LDAP_XSTRING(bdb_modrdn) ": wr to children "
 328                 "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
 329
 330         if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 331                 p_dn = slap_empty_bv;
 332         } else {
 333                 dnParent( &e->e_name, &p_dn );
 334         }
 335
 336         Debug( LDAP_DEBUG_TRACE,
 337                 LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
 338                 p_dn.bv_val, 0, 0 );
 339
 340         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 341
 342         if ( op->oq_modrdn.rs_newSup != NULL ) {
 343                 Debug( LDAP_DEBUG_TRACE,
 344                         LDAP_XSTRING(bdb_modrdn)
 345                         ": new parent \"%s\" requested...\n",
 346                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 347
 348                 /*  newSuperior == oldParent? */
 349                 if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
 350                         Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
 351                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 352                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 353                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 354                 }
 355         }
 356
 357         /* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't
 358          * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net.
 359          * We do not allow modDN
 360          *   dc=foo,dc=com
 361          *    newrdn dc=bar
 362          *    newsup dc=net
 363          * and we probably should. But since MULTIPLE_SUFFIXES is deprecated
 364          * I'm ignoring this problem for now.
 365          */
 366         if ( op->oq_modrdn.rs_newSup != NULL ) {
 367                 if ( op->oq_modrdn.rs_newSup->bv_len ) {
 368                         np_dn = op->oq_modrdn.rs_newSup;
 369                         np_ndn = op->oq_modrdn.rs_nnewSup;
 370
 371                         /* newSuperior == oldParent? - checked above */
 372                         /* newSuperior == entry being moved?, if so ==> ERROR */
 373                         if ( dnIsSuffix( np_ndn, &e->e_nname )) {
 374                                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 375                                 rs->sr_text = "new superior not found";
 376                                 goto return_results;
 377                         }
 378                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 379
 380                         rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
 381                                 &neip, 0, locker, &nplock );
 382
 383                         switch( rs->sr_err ) {
 384                         case 0: np = neip->bei_e;
 385                         case DB_NOTFOUND:
 386                                 break;
 387                         case DB_LOCK_DEADLOCK:
 388                         case DB_LOCK_NOTGRANTED:
 389                                 goto retry;
 390                         case LDAP_BUSY:
 391                                 rs->sr_text = "ldap server busy";
 392                                 goto return_results;
 393                         default:
 394                                 rs->sr_err = LDAP_OTHER;
 395                                 rs->sr_text = "internal error";
 396                                 goto return_results;
 397                         }
 398
 399                         if( np == NULL) {
 400                                 Debug( LDAP_DEBUG_TRACE,
 401                                         LDAP_XSTRING(bdb_modrdn)
 402                                         ": newSup(ndn=%s) not here!\n",
 403                                         np_ndn->bv_val, 0, 0);
 404                                 rs->sr_text = "new superior not found";
 405                                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 406                                 goto return_results;
 407                         }
 408
 409                         Debug( LDAP_DEBUG_TRACE,
 410                                 LDAP_XSTRING(bdb_modrdn)
 411                                 ": wr to new parent OK np=%p, id=%ld\n",
 412                                 (void *) np, (long) np->e_id, 0 );
 413
 414                         /* check newSuperior for "children" acl */
 415                         rs->sr_err = access_allowed( op, np, children,
 416                                 NULL, ACL_WADD, NULL );
 417
 418                         if( ! rs->sr_err ) {
 419                                 switch( opinfo.boi_err ) {
 420                                 case DB_LOCK_DEADLOCK:
 421                                 case DB_LOCK_NOTGRANTED:
 422                                         goto retry;
 423                                 }
 424
 425                                 Debug( LDAP_DEBUG_TRACE,
 426                                         LDAP_XSTRING(bdb_modrdn)
 427                                         ": no wr to newSup children\n",
 428                                         0, 0, 0 );
 429                                 rs->sr_text = "no write access to new superior's children";
 430                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 431                                 goto return_results;
 432                         }
 433
 434                         if ( is_entry_alias( np ) ) {
 435                                 /* parent is an alias, don't allow add */
 436                                 Debug( LDAP_DEBUG_TRACE,
 437                                         LDAP_XSTRING(bdb_modrdn)
 438                                         ": entry is alias\n",
 439                                         0, 0, 0 );
 440                                 rs->sr_text = "new superior is an alias";
 441                                 rs->sr_err = LDAP_ALIAS_PROBLEM;
 442                                 goto return_results;
 443                         }
 444
 445                         if ( is_entry_referral( np ) ) {
 446                                 /* parent is a referral, don't allow add */
 447                                 Debug( LDAP_DEBUG_TRACE,
 448                                         LDAP_XSTRING(bdb_modrdn)
 449                                         ": entry is referral\n",
 450                                         0, 0, 0 );
 451                                 rs->sr_text = "new superior is a referral";
 452                                 rs->sr_err = LDAP_OTHER;
 453                                 goto return_results;
 454                         }
 455
 456                 } else {
 457                         np_dn = NULL;
 458
 459                         /* no parent, modrdn entry directly under root */
 460                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 461                                 || be_isupdate( op ) ) {
 462                                 np = (Entry *)&slap_entry_root;
 463
 464                                 /* check parent for "children" acl */
 465                                 rs->sr_err = access_allowed( op, np,
 466                                         children, NULL, ACL_WADD, NULL );
 467
 468                                 np = NULL;
 469
 470                                 if ( ! rs->sr_err ) {
 471                                         switch( opinfo.boi_err ) {
 472                                         case DB_LOCK_DEADLOCK:
 473                                         case DB_LOCK_NOTGRANTED:
 474                                                 goto retry;
 475                                         }
 476
 477                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 478                                         Debug( LDAP_DEBUG_TRACE,
 479                                                 "no access to new superior\n",
 480                                                 0, 0, 0 );
 481                                         rs->sr_text =
 482                                                 "no write access to new superior's children";
 483                                         goto return_results;
 484                                 }
 485                         }
 486                 }
 487
 488                 Debug( LDAP_DEBUG_TRACE,
 489                         LDAP_XSTRING(bdb_modrdn)
 490                         ": wr to new parent's children OK\n",
 491                         0, 0, 0 );
 492
 493                 new_parent_dn = np_dn;
 494         }
 495
 496         /* Build target dn and make sure target entry doesn't exist already. */
 497         if (!new_dn.bv_val) {
 498                 build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL );
 499         }
 500
 501         if (!new_ndn.bv_val) {
 502                 struct berval bv = {0, NULL};
 503                 dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
 504                 ber_dupbv( &new_ndn, &bv );
 505         }
 506
 507         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n",
 508                 new_ndn.bv_val, 0, 0 );
 509
 510         /* Shortcut the search */
 511         nei = neip ? neip : eip;
 512         rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei );
 513         if ( nei ) bdb_cache_entryinfo_unlock( nei );
 514         switch( rs->sr_err ) {
 515         case DB_LOCK_DEADLOCK:
 516         case DB_LOCK_NOTGRANTED:
 517                 goto retry;
 518         case DB_NOTFOUND:
 519                 break;
 520         case 0:
 521                 rs->sr_err = LDAP_ALREADY_EXISTS;
 522                 goto return_results;
 523         default:
 524                 rs->sr_err = LDAP_OTHER;
 525                 rs->sr_text = "internal error";
 526                 goto return_results;
 527         }
 528
 529         assert( op->orr_modlist != NULL );
 530
 531         if( op->o_preread ) {
 532                 if( preread_ctrl == NULL ) {
 533                         preread_ctrl = &ctrls[num_ctrls++];
 534                         ctrls[num_ctrls] = NULL;
 535                 }
 536                 if( slap_read_controls( op, rs, e,
 537                         &slap_pre_read_bv, preread_ctrl ) )
 538                 {
 539                         Debug( LDAP_DEBUG_TRACE,
 540                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 541                                 ": post-read failed!\n", 0, 0, 0 );
 542                         goto return_results;
 543                 }
 544         }
 545
 546         /* nested transaction */
 547         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 548         rs->sr_text = NULL;
 549         if( rs->sr_err != 0 ) {
 550                 Debug( LDAP_DEBUG_TRACE,
 551                         LDAP_XSTRING(bdb_modrdn)
 552                         ": txn_begin(2) failed: %s (%d)\n",
 553                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 554                 rs->sr_err = LDAP_OTHER;
 555                 rs->sr_text = "internal error";
 556                 goto return_results;
 557         }
 558
 559         /* delete old DN */
 560         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 561         if ( rs->sr_err != 0 ) {
 562                 Debug(LDAP_DEBUG_TRACE,
 563                         "<=- " LDAP_XSTRING(bdb_modrdn)
 564                         ": dn2id del failed: %s (%d)\n",
 565                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 566                 switch( rs->sr_err ) {
 567                 case DB_LOCK_DEADLOCK:
 568                 case DB_LOCK_NOTGRANTED:
 569                         goto retry;
 570                 }
 571                 rs->sr_err = LDAP_OTHER;
 572                 rs->sr_text = "DN index delete fail";
 573                 goto return_results;
 574         }
 575
 576         /* copy the entry, then override some fields */
 577         dummy = *e;
 578         dummy.e_name = new_dn;
 579         dummy.e_nname = new_ndn;
 580         dummy.e_attrs = NULL;
 581
 582         /* add new DN */
 583         rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy );
 584         if ( rs->sr_err != 0 ) {
 585                 Debug(LDAP_DEBUG_TRACE,
 586                         "<=- " LDAP_XSTRING(bdb_modrdn)
 587                         ": dn2id add failed: %s (%d)\n",
 588                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 589                 switch( rs->sr_err ) {
 590                 case DB_LOCK_DEADLOCK:
 591                 case DB_LOCK_NOTGRANTED:
 592                         goto retry;
 593                 }
 594                 rs->sr_err = LDAP_OTHER;
 595                 rs->sr_text = "DN index add failed";
 596                 goto return_results;
 597         }
 598
 599         dummy.e_attrs = e->e_attrs;
 600
 601         /* modify entry */
 602         rs->sr_err = bdb_modify_internal( op, lt2, op->orr_modlist, &dummy,
 603                 &rs->sr_text, textbuf, textlen );
 604         if( rs->sr_err != LDAP_SUCCESS ) {
 605                 Debug(LDAP_DEBUG_TRACE,
 606                         "<=- " LDAP_XSTRING(bdb_modrdn)
 607                         ": modify failed: %s (%d)\n",
 608                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 609                 if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
 610                         rs->sr_err = opinfo.boi_err;
 611                 }
 612                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 613                 switch( rs->sr_err ) {
 614                 case DB_LOCK_DEADLOCK:
 615                 case DB_LOCK_NOTGRANTED:
 616                         goto retry;
 617                 }
 618                 goto return_results;
 619         }
 620
 621         /* id2entry index */
 622         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 623         if ( rs->sr_err != 0 ) {
 624                 Debug(LDAP_DEBUG_TRACE,
 625                         "<=- " LDAP_XSTRING(bdb_modrdn)
 626                         ": id2entry failed: %s (%d)\n",
 627                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 628                 switch( rs->sr_err ) {
 629                 case DB_LOCK_DEADLOCK:
 630                 case DB_LOCK_NOTGRANTED:
 631                         goto retry;
 632                 }
 633                 rs->sr_err = LDAP_OTHER;
 634                 rs->sr_text = "entry update failed";
 635                 goto return_results;
 636         }
 637
 638         if ( p_ndn.bv_len != 0 ) {
 639                 parent_is_glue = is_entry_glue(p);
 640                 rs->sr_err = bdb_cache_children( op, lt2, p );
 641                 if ( rs->sr_err != DB_NOTFOUND ) {
 642                         switch( rs->sr_err ) {
 643                         case DB_LOCK_DEADLOCK:
 644                         case DB_LOCK_NOTGRANTED:
 645                                 goto retry;
 646                         case 0:
 647                                 break;
 648                         default:
 649                                 Debug(LDAP_DEBUG_ARGS,
 650                                         "<=- " LDAP_XSTRING(bdb_modrdn)
 651                                         ": has_children failed: %s (%d)\n",
 652                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 653                                 rs->sr_err = LDAP_OTHER;
 654                                 rs->sr_text = "internal error";
 655                                 goto return_results;
 656                         }
 657                         parent_is_leaf = 1;
 658                 }
 659                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 660                 p = NULL;
 661         }
 662
 663         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 664                 rs->sr_err = LDAP_OTHER;
 665                 rs->sr_text = "txn_commit(2) failed";
 666                 goto return_results;
 667         }
 668
 669         if( op->o_postread ) {
 670                 if( postread_ctrl == NULL ) {
 671                         postread_ctrl = &ctrls[num_ctrls++];
 672                         ctrls[num_ctrls] = NULL;
 673                 }
 674                 if( slap_read_controls( op, rs, &dummy,
 675                         &slap_post_read_bv, postread_ctrl ) )
 676                 {
 677                         Debug( LDAP_DEBUG_TRACE,
 678                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 679                                 ": post-read failed!\n", 0, 0, 0 );
 680                         goto return_results;
 681                 }
 682         }
 683
 684         if( op->o_noop ) {
 685                 if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 686                         rs->sr_text = "txn_abort (no-op) failed";
 687                 } else {
 688                         rs->sr_err = LDAP_X_NO_OPERATION;
 689                         ltid = NULL;
 690                         goto return_results;
 691                 }
 692
 693         } else {
 694                 rc = bdb_cache_modrdn( bdb, e, &op->orr_nnewrdn, &dummy, neip,
 695                         locker, &lock );
 696                 switch( rc ) {
 697                 case DB_LOCK_DEADLOCK:
 698                 case DB_LOCK_NOTGRANTED:
 699                         goto retry;
 700                 }
 701                 dummy.e_attrs = NULL;
 702                 new_dn.bv_val = NULL;
 703                 new_ndn.bv_val = NULL;
 704
 705                 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 706                         rs->sr_text = "txn_commit failed";
 707                 } else {
 708                         rs->sr_err = LDAP_SUCCESS;
 709                 }
 710         }
 711
 712         ltid = NULL;
 713         op->o_private = NULL;
 714
 715         if( rs->sr_err != LDAP_SUCCESS ) {
 716                 Debug( LDAP_DEBUG_TRACE,
 717                         LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n",
 718                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 719                 rs->sr_err = LDAP_OTHER;
 720
 721                 goto return_results;
 722         }
 723
 724         Debug(LDAP_DEBUG_TRACE,
 725                 LDAP_XSTRING(bdb_modrdn)
 726                 ": rdn modified%s id=%08lx dn=\"%s\"\n",
 727                 op->o_noop ? " (no-op)" : "",
 728                 dummy.e_id, op->o_req_dn.bv_val );
 729         rs->sr_text = NULL;
 730         if( num_ctrls ) rs->sr_ctrls = ctrls;
 731
 732 return_results:
 733         if ( dummy.e_attrs ) {
 734                 attrs_free( dummy.e_attrs );
 735         }
 736         send_ldap_result( op, rs );
 737
 738         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 739                 ldap_pvt_thread_yield();
 740                 TXN_CHECKPOINT( bdb->bi_dbenv,
 741                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 742         }
 743
 744         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 745                 op->o_delete_glue_parent = 1;
 746         }
 747
 748 done:
 749         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 750         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 751
 752         /* LDAP v3 Support */
 753         if( np != NULL ) {
 754                 /* free new parent and reader lock */
 755                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 756         }
 757
 758         if( p != NULL ) {
 759                 /* free parent and reader lock */
 760                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 761         }
 762
 763         /* free entry */
 764         if( e != NULL ) {
 765                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 766         }
 767
 768         if( ltid != NULL ) {
 769                 TXN_ABORT( ltid );
 770         }
 771         op->o_private = NULL;
 772
 773         if( preread_ctrl != NULL ) {
 774                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 775                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 776         }
 777         if( postread_ctrl != NULL ) {
 778                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 779                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 780         }
 781         return rs->sr_err;
 782 }