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 2000-2005 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         int             isroot = -1;
  33         Entry           *e = NULL;
  34         Entry           *p = NULL;
  35         EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
  36         /* LDAP v2 supporting correct attribute handling. */
  37         LDAPRDN         new_rdn = NULL;
  38         LDAPRDN         old_rdn = NULL;
  39         char textbuf[SLAP_TEXT_BUFLEN];
  40         size_t textlen = sizeof textbuf;
  41         DB_TXN          *ltid = NULL, *lt2;
  42         struct bdb_op_info opinfo = {0};
  43         Entry dummy = {0};
  44
  45         ID                      id;
  46
  47         Entry           *np = NULL;                     /* newSuperior Entry */
  48         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  49         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  50         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  51
  52         /* Used to interface with bdb_modify_internal() */
  53         Modifications   *mod = NULL;            /* Used to delete old rdn */
  54
  55         int             manageDSAit = get_manageDSAit( op );
  56
  57         u_int32_t       locker = 0;
  58         DB_LOCK         lock, plock, nplock;
  59
  60         int             num_retries = 0;
  61
  62         LDAPControl **preread_ctrl = NULL;
  63         LDAPControl **postread_ctrl = NULL;
  64         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  65         int num_ctrls = 0;
  66
  67         Operation *ps_list;
  68         struct psid_entry *pm_list, *pm_prev;
  69         int     rc;
  70         EntryInfo       *suffix_ei;
  71         Entry           *ctxcsn_e;
  72         int                     ctxcsn_added = 0;
  73
  74         int parent_is_glue = 0;
  75         int parent_is_leaf = 0;
  76
  77         ctrls[num_ctrls] = NULL;
  78
  79         Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
  80                 op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
  81                 op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
  82
  83         if( 0 ) {
  84 retry:  /* transaction retry */
  85                 if ( dummy.e_attrs ) {
  86                         attrs_free( dummy.e_attrs );
  87                         dummy.e_attrs = NULL;
  88                 }
  89                 if (e != NULL) {
  90                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  91                         e = NULL;
  92                 }
  93                 if (p != NULL) {
  94                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  95                         p = NULL;
  96                 }
  97                 if (np != NULL) {
  98                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  99                         np = NULL;
 100                 }
 101                 Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn)
 102                                 ": retrying...\n", 0, 0, 0 );
 103 #ifdef BDB_PSEARCH
 104                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 105                 while ( pm_list != NULL ) {
 106                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 107                         pm_prev = pm_list;
 108                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 109                         ch_free( pm_prev );
 110                 }
 111 #endif
 112
 113                 rs->sr_err = TXN_ABORT( ltid );
 114                 ltid = NULL;
 115                 op->o_private = NULL;
 116                 op->o_do_not_cache = opinfo.boi_acl_cache;
 117                 if( rs->sr_err != 0 ) {
 118                         rs->sr_err = LDAP_OTHER;
 119                         rs->sr_text = "internal error";
 120                         goto return_results;
 121                 }
 122                 parent_is_glue = 0;
 123                 parent_is_leaf = 0;
 124                 ldap_pvt_thread_yield();
 125                 bdb_trans_backoff( ++num_retries );
 126         }
 127
 128         /* begin transaction */
 129         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 130                 bdb->bi_db_opflags );
 131         rs->sr_text = NULL;
 132         if( rs->sr_err != 0 ) {
 133                 Debug( LDAP_DEBUG_TRACE,
 134                         LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: "
 135                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 136                 rs->sr_err = LDAP_OTHER;
 137                 rs->sr_text = "internal error";
 138                 goto return_results;
 139         }
 140
 141         locker = TXN_ID ( ltid );
 142
 143         opinfo.boi_bdb = op->o_bd;
 144         opinfo.boi_txn = ltid;
 145         opinfo.boi_locker = locker;
 146         opinfo.boi_err = 0;
 147         opinfo.boi_acl_cache = op->o_do_not_cache;
 148         op->o_private = &opinfo;
 149
 150         /* get entry */
 151         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 152                 locker, &lock );
 153
 154         switch( rs->sr_err ) {
 155         case 0:
 156         case DB_NOTFOUND:
 157                 break;
 158         case DB_LOCK_DEADLOCK:
 159         case DB_LOCK_NOTGRANTED:
 160                 goto retry;
 161         case LDAP_BUSY:
 162                 rs->sr_text = "ldap server busy";
 163                 goto return_results;
 164         default:
 165                 rs->sr_err = LDAP_OTHER;
 166                 rs->sr_text = "internal error";
 167                 goto return_results;
 168         }
 169
 170         e = ei->bei_e;
 171         /* FIXME: dn2entry() should return non-glue entry */
 172         if (( rs->sr_err == DB_NOTFOUND ) ||
 173                 ( !manageDSAit && e && is_entry_glue( e )))
 174         {
 175                 BerVarray deref = NULL;
 176                 if( e != NULL ) {
 177                         rs->sr_matched = ch_strdup( e->e_dn );
 178                         rs->sr_ref = is_entry_referral( e )
 179                                 ? get_entry_referrals( op, e )
 180                                 : NULL;
 181                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
 182                         e = NULL;
 183
 184                 } else {
 185                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 186                                 syncinfo_t *si;
 187                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 188                                         struct berval tmpbv;
 189                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 190                                         ber_bvarray_add( &deref, &tmpbv );
 191                 }
 192                         } else {
 193                                 deref = default_referral;
 194                         }
 195                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 196                                         LDAP_SCOPE_DEFAULT );
 197                 }
 198
 199                 rs->sr_err = LDAP_REFERRAL;
 200                 send_ldap_result( op, rs );
 201
 202                 ber_bvarray_free( rs->sr_ref );
 203                 if ( deref != default_referral ) {
 204                         ber_bvarray_free( deref );
 205                 }
 206                 free( (char *)rs->sr_matched );
 207                 rs->sr_ref = NULL;
 208                 rs->sr_matched = NULL;
 209
 210                 goto done;
 211         }
 212
 213         if ( get_assert( op ) &&
 214                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 215         {
 216                 rs->sr_err = LDAP_ASSERTION_FAILED;
 217                 goto return_results;
 218         }
 219
 220         /* check write on old entry */
 221         rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
 222         if ( ! rs->sr_err ) {
 223                 switch( opinfo.boi_err ) {
 224                 case DB_LOCK_DEADLOCK:
 225                 case DB_LOCK_NOTGRANTED:
 226                         goto retry;
 227                 }
 228
 229                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 230                         0, 0 );
 231                 rs->sr_text = "no write access to old entry";
 232                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 233                 goto return_results;
 234         }
 235
 236 #ifndef BDB_HIER
 237         rs->sr_err = bdb_cache_children( op, ltid, e );
 238         if ( rs->sr_err != DB_NOTFOUND ) {
 239                 switch( rs->sr_err ) {
 240                 case DB_LOCK_DEADLOCK:
 241                 case DB_LOCK_NOTGRANTED:
 242                         goto retry;
 243                 case 0:
 244                         Debug(LDAP_DEBUG_ARGS,
 245                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 246                                 ": non-leaf %s\n",
 247                                 op->o_req_dn.bv_val, 0, 0);
 248                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 249                         rs->sr_text = "subtree rename not supported";
 250                         break;
 251                 default:
 252                         Debug(LDAP_DEBUG_ARGS,
 253                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 254                                 ": has_children failed: %s (%d)\n",
 255                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 256                         rs->sr_err = LDAP_OTHER;
 257                         rs->sr_text = "internal error";
 258                 }
 259                 goto return_results;
 260         }
 261         ei->bei_state |= CACHE_ENTRY_NO_KIDS;
 262 #endif
 263
 264         if (!manageDSAit && is_entry_referral( e ) ) {
 265                 /* parent is a referral, don't allow add */
 266                 rs->sr_ref = get_entry_referrals( op, e );
 267
 268                 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 269                         ": entry %s is referral\n", e->e_dn, 0, 0 );
 270
 271                 rs->sr_err = LDAP_REFERRAL,
 272                 rs->sr_matched = e->e_name.bv_val;
 273                 send_ldap_result( op, rs );
 274
 275                 ber_bvarray_free( rs->sr_ref );
 276                 rs->sr_ref = NULL;
 277                 rs->sr_matched = NULL;
 278                 goto done;
 279         }
 280
 281         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 282                 p_ndn = slap_empty_bv;
 283         } else {
 284                 dnParent( &e->e_nname, &p_ndn );
 285         }
 286         np_ndn = &p_ndn;
 287         if ( p_ndn.bv_len != 0 ) {
 288                 /* Make sure parent entry exist and we can write its
 289                  * children.
 290                  */
 291                 eip = ei->bei_parent;
 292                 rs->sr_err = bdb_cache_find_id( op, ltid,
 293                         eip->bei_id, &eip, 0, locker, &plock );
 294
 295                 switch( rs->sr_err ) {
 296                 case 0:
 297                 case DB_NOTFOUND:
 298                         break;
 299                 case DB_LOCK_DEADLOCK:
 300                 case DB_LOCK_NOTGRANTED:
 301                         goto retry;
 302                 case LDAP_BUSY:
 303                         rs->sr_text = "ldap server busy";
 304                         goto return_results;
 305                 default:
 306                         rs->sr_err = LDAP_OTHER;
 307                         rs->sr_text = "internal error";
 308                         goto return_results;
 309                 }
 310
 311                 p = eip->bei_e;
 312                 if( p == NULL) {
 313                         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 314                                 ": parent does not exist\n", 0, 0, 0);
 315                         rs->sr_err = LDAP_OTHER;
 316                         rs->sr_text = "old entry's parent does not exist";
 317                         goto return_results;
 318                 }
 319
 320                 /* check parent for "children" acl */
 321                 rs->sr_err = access_allowed( op, p,
 322                         children, NULL, ACL_WRITE, NULL );
 323
 324                 if ( ! rs->sr_err ) {
 325                         switch( opinfo.boi_err ) {
 326                         case DB_LOCK_DEADLOCK:
 327                         case DB_LOCK_NOTGRANTED:
 328                                 goto retry;
 329                         }
 330
 331                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 332                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 333                                 0, 0 );
 334                         rs->sr_text = "no write access to old parent's children";
 335                         goto return_results;
 336                 }
 337
 338                 Debug( LDAP_DEBUG_TRACE,
 339                         LDAP_XSTRING(bdb_modrdn) ": wr to children "
 340                         "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
 341
 342                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 343                         p_dn = slap_empty_bv;
 344                 } else {
 345                         dnParent( &e->e_name, &p_dn );
 346                 }
 347
 348                 Debug( LDAP_DEBUG_TRACE,
 349                         LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
 350                         p_dn.bv_val, 0, 0 );
 351
 352         } else {
 353                 /* no parent, modrdn entry directly under root */
 354                 isroot = be_isroot( op );
 355                 if ( ! isroot ) {
 356                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 357                                 || be_shadow_update( op ) ) {
 358
 359                                 p = (Entry *)&slap_entry_root;
 360
 361                                 /* check parent for "children" acl */
 362                                 rs->sr_err = access_allowed( op, p,
 363                                         children, NULL, ACL_WRITE, NULL );
 364
 365                                 p = NULL;
 366
 367                                 if ( ! rs->sr_err ) {
 368                                         switch( opinfo.boi_err ) {
 369                                         case DB_LOCK_DEADLOCK:
 370                                         case DB_LOCK_NOTGRANTED:
 371                                                 goto retry;
 372                                         }
 373
 374                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 375                                         Debug( LDAP_DEBUG_TRACE,
 376                                                 "no access to parent\n",
 377                                                 0, 0, 0 );
 378                                         rs->sr_text = "no write access to old parent";
 379                                         goto return_results;
 380                                 }
 381
 382                                 Debug( LDAP_DEBUG_TRACE,
 383                                         LDAP_XSTRING(bdb_modrdn)
 384                                         ": wr to children of entry \"\" OK\n",
 385                                         0, 0, 0 );
 386
 387                                 p_dn.bv_val = "";
 388                                 p_dn.bv_len = 0;
 389
 390                                 Debug( LDAP_DEBUG_TRACE,
 391                                         LDAP_XSTRING(bdb_modrdn)
 392                                         ": parent dn=\"\"\n",
 393                                         0, 0, 0 );
 394
 395                         } else {
 396                                 Debug( LDAP_DEBUG_TRACE,
 397                                         LDAP_XSTRING(bdb_modrdn)
 398                                         ": no parent, not root "
 399                                         "& \"\" is not suffix\n",
 400                                         0, 0, 0);
 401                                 rs->sr_text = "no write access to old parent";
 402                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 403                                 goto return_results;
 404                         }
 405                 }
 406         }
 407
 408         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 409
 410         if ( op->oq_modrdn.rs_newSup != NULL ) {
 411                 Debug( LDAP_DEBUG_TRACE,
 412                         LDAP_XSTRING(bdb_modrdn)
 413                         ": new parent \"%s\" requested...\n",
 414                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 415
 416                 /*  newSuperior == oldParent? */
 417                 if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
 418                         Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
 419                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 420                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 421                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 422                 }
 423         }
 424
 425         if ( op->oq_modrdn.rs_newSup != NULL ) {
 426                 if ( op->oq_modrdn.rs_newSup->bv_len ) {
 427                         np_dn = op->oq_modrdn.rs_newSup;
 428                         np_ndn = op->oq_modrdn.rs_nnewSup;
 429
 430                         /* newSuperior == oldParent?, if so ==> ERROR */
 431                         /* newSuperior == entry being moved?, if so ==> ERROR */
 432                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 433
 434                         rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
 435                                 &neip, 0, locker, &nplock );
 436
 437                         switch( rs->sr_err ) {
 438                         case 0: np = neip->bei_e;
 439                         case DB_NOTFOUND:
 440                                 break;
 441                         case DB_LOCK_DEADLOCK:
 442                         case DB_LOCK_NOTGRANTED:
 443                                 goto retry;
 444                         case LDAP_BUSY:
 445                                 rs->sr_text = "ldap server busy";
 446                                 goto return_results;
 447                         default:
 448                                 rs->sr_err = LDAP_OTHER;
 449                                 rs->sr_text = "internal error";
 450                                 goto return_results;
 451                         }
 452
 453                         if( np == NULL) {
 454                                 Debug( LDAP_DEBUG_TRACE,
 455                                         LDAP_XSTRING(bdb_modrdn)
 456                                         ": newSup(ndn=%s) not here!\n",
 457                                         np_ndn->bv_val, 0, 0);
 458                                 rs->sr_text = "new superior not found";
 459                                 rs->sr_err = LDAP_OTHER;
 460                                 goto return_results;
 461                         }
 462
 463                         Debug( LDAP_DEBUG_TRACE,
 464                                 LDAP_XSTRING(bdb_modrdn)
 465                                 ": wr to new parent OK np=%p, id=%ld\n",
 466                                 (void *) np, (long) np->e_id, 0 );
 467
 468                         /* check newSuperior for "children" acl */
 469                         rs->sr_err = access_allowed( op, np, children,
 470                                 NULL, ACL_WRITE, NULL );
 471
 472                         if( ! rs->sr_err ) {
 473                                 switch( opinfo.boi_err ) {
 474                                 case DB_LOCK_DEADLOCK:
 475                                 case DB_LOCK_NOTGRANTED:
 476                                         goto retry;
 477                                 }
 478
 479                                 Debug( LDAP_DEBUG_TRACE,
 480                                         LDAP_XSTRING(bdb_modrdn)
 481                                         ": no wr to newSup children\n",
 482                                         0, 0, 0 );
 483                                 rs->sr_text = "no write access to new superior's children";
 484                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 485                                 goto return_results;
 486                         }
 487
 488                         if ( is_entry_alias( np ) ) {
 489                                 /* parent is an alias, don't allow add */
 490                                 Debug( LDAP_DEBUG_TRACE,
 491                                         LDAP_XSTRING(bdb_modrdn)
 492                                         ": entry is alias\n",
 493                                         0, 0, 0 );
 494                                 rs->sr_text = "new superior is an alias";
 495                                 rs->sr_err = LDAP_ALIAS_PROBLEM;
 496                                 goto return_results;
 497                         }
 498
 499                         if ( is_entry_referral( np ) ) {
 500                                 /* parent is a referral, don't allow add */
 501                                 Debug( LDAP_DEBUG_TRACE,
 502                                         LDAP_XSTRING(bdb_modrdn)
 503                                         ": entry is referral\n",
 504                                         0, 0, 0 );
 505                                 rs->sr_text = "new superior is a referral";
 506                                 rs->sr_err = LDAP_OTHER;
 507                                 goto return_results;
 508                         }
 509
 510                 } else {
 511                         if ( isroot == -1 ) {
 512                                 isroot = be_isroot( op );
 513                         }
 514
 515                         np_dn = NULL;
 516
 517                         /* no parent, modrdn entry directly under root */
 518                         if ( ! isroot ) {
 519                                 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 520                                         || be_isupdate( op ) ) {
 521                                         np = (Entry *)&slap_entry_root;
 522
 523                                         /* check parent for "children" acl */
 524                                         rs->sr_err = access_allowed( op, np,
 525                                                 children, NULL, ACL_WRITE, NULL );
 526
 527                                         np = NULL;
 528
 529                                         if ( ! rs->sr_err ) {
 530                                                 switch( opinfo.boi_err ) {
 531                                                 case DB_LOCK_DEADLOCK:
 532                                                 case DB_LOCK_NOTGRANTED:
 533                                                         goto retry;
 534                                                 }
 535
 536                                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 537                                                 Debug( LDAP_DEBUG_TRACE,
 538                                                         "no access to new superior\n",
 539                                                         0, 0, 0 );
 540                                                 rs->sr_text =
 541                                                         "no write access to new superior's children";
 542                                                 goto return_results;
 543                                         }
 544
 545                                         Debug( LDAP_DEBUG_TRACE,
 546                                                 LDAP_XSTRING(bdb_modrdn)
 547                                                 ": wr to children "
 548                                                 "of entry \"\" OK\n",
 549                                                 0, 0, 0 );
 550
 551                                 } else {
 552                                         Debug( LDAP_DEBUG_TRACE,
 553                                                 LDAP_XSTRING(bdb_modrdn)
 554                                                 ": new superior=\"\", not root "
 555                                                 "& \"\" is not suffix\n",
 556                                                 0, 0, 0 );
 557                                         rs->sr_text = "no write access to new superior's children";
 558                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 559                                         goto return_results;
 560                                 }
 561                         }
 562
 563                         Debug( LDAP_DEBUG_TRACE,
 564                                 LDAP_XSTRING(bdb_modrdn)
 565                                 ": new superior=\"\"\n",
 566                                 0, 0, 0 );
 567                 }
 568
 569                 Debug( LDAP_DEBUG_TRACE,
 570                         LDAP_XSTRING(bdb_modrdn)
 571                         ": wr to new parent's children OK\n",
 572                         0, 0, 0 );
 573
 574                 new_parent_dn = np_dn;
 575         }
 576
 577         /* Build target dn and make sure target entry doesn't exist already. */
 578         if (!new_dn.bv_val) {
 579                 build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL );
 580         }
 581
 582         if (!new_ndn.bv_val) {
 583                 struct berval bv = {0, NULL};
 584                 dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
 585                 ber_dupbv( &new_ndn, &bv );
 586         }
 587
 588         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n",
 589                 new_ndn.bv_val, 0, 0 );
 590
 591         /* Shortcut the search */
 592         nei = neip ? neip : eip;
 593         rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei );
 594         if ( nei ) bdb_cache_entryinfo_unlock( nei );
 595         switch( rs->sr_err ) {
 596         case DB_LOCK_DEADLOCK:
 597         case DB_LOCK_NOTGRANTED:
 598                 goto retry;
 599         case DB_NOTFOUND:
 600                 break;
 601         case 0:
 602                 rs->sr_err = LDAP_ALREADY_EXISTS;
 603                 goto return_results;
 604         default:
 605                 rs->sr_err = LDAP_OTHER;
 606                 rs->sr_text = "internal error";
 607                 goto return_results;
 608         }
 609
 610         /* Get attribute type and attribute value of our new rdn, we will
 611          * need to add that to our new entry
 612          */
 613         if ( !new_rdn && ldap_bv2rdn_x( &op->oq_modrdn.rs_newrdn, &new_rdn,
 614                 (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
 615         {
 616                 Debug( LDAP_DEBUG_TRACE,
 617                         LDAP_XSTRING(bdb_modrdn) ": can't figure out "
 618                         "type(s)/values(s) of newrdn\n",
 619                         0, 0, 0 );
 620                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 621                 rs->sr_text = "unknown type(s) used in RDN";
 622                 goto return_results;
 623         }
 624
 625         Debug( LDAP_DEBUG_TRACE,
 626                 LDAP_XSTRING(bdb_modrdn)
 627                 ": new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 628                 new_rdn[ 0 ]->la_attr.bv_val,
 629                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 630
 631         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 632                 if ( !old_rdn && ldap_bv2rdn_x( &op->o_req_dn, &old_rdn,
 633                         (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
 634                 {
 635                         Debug( LDAP_DEBUG_TRACE,
 636                                 LDAP_XSTRING(bdb_modrdn) ": can't figure out "
 637                                 "the old_rdn type(s)/value(s)\n",
 638                                 0, 0, 0 );
 639                         rs->sr_err = LDAP_OTHER;
 640                         rs->sr_text = "cannot parse RDN from old DN";
 641                         goto return_results;
 642                 }
 643         }
 644
 645         /* prepare modlist of modifications from old/new rdn */
 646         if (!mod) {
 647                 rs->sr_err = slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod );
 648                 if ( rs->sr_err != LDAP_SUCCESS ) {
 649                         goto return_results;
 650                 }
 651         }
 652
 653         if( op->o_preread ) {
 654                 if( preread_ctrl == NULL ) {
 655                         preread_ctrl = &ctrls[num_ctrls++];
 656                         ctrls[num_ctrls] = NULL;
 657                 }
 658                 if( slap_read_controls( op, rs, e,
 659                         &slap_pre_read_bv, preread_ctrl ) )
 660                 {
 661                         Debug( LDAP_DEBUG_TRACE,
 662                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 663                                 ": post-read failed!\n", 0, 0, 0 );
 664                         goto return_results;
 665                 }
 666         }
 667
 668         /* nested transaction */
 669         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 670         rs->sr_text = NULL;
 671         if( rs->sr_err != 0 ) {
 672                 Debug( LDAP_DEBUG_TRACE,
 673                         LDAP_XSTRING(bdb_modrdn)
 674                         ": txn_begin(2) failed: %s (%d)\n",
 675                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 676                 rs->sr_err = LDAP_OTHER;
 677                 rs->sr_text = "internal error";
 678                 goto return_results;
 679         }
 680
 681         /* delete old DN */
 682         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 683         if ( rs->sr_err != 0 ) {
 684                 Debug(LDAP_DEBUG_TRACE,
 685                         "<=- " LDAP_XSTRING(bdb_modrdn)
 686                         ": dn2id del failed: %s (%d)\n",
 687                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 688                 switch( rs->sr_err ) {
 689                 case DB_LOCK_DEADLOCK:
 690                 case DB_LOCK_NOTGRANTED:
 691                         goto retry;
 692                 }
 693                 rs->sr_err = LDAP_OTHER;
 694                 rs->sr_text = "DN index delete fail";
 695                 goto return_results;
 696         }
 697
 698         /* copy the entry, then override some fields */
 699         dummy = *e;
 700         dummy.e_name = new_dn;
 701         dummy.e_nname = new_ndn;
 702         dummy.e_attrs = NULL;
 703
 704         /* add new DN */
 705         rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy );
 706         if ( rs->sr_err != 0 ) {
 707                 Debug(LDAP_DEBUG_TRACE,
 708                         "<=- " LDAP_XSTRING(bdb_modrdn)
 709                         ": dn2id add failed: %s (%d)\n",
 710                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 711                 switch( rs->sr_err ) {
 712                 case DB_LOCK_DEADLOCK:
 713                 case DB_LOCK_NOTGRANTED:
 714                         goto retry;
 715                 }
 716                 rs->sr_err = LDAP_OTHER;
 717                 rs->sr_text = "DN index add failed";
 718                 goto return_results;
 719         }
 720
 721         dummy.e_attrs = e->e_attrs;
 722
 723 #ifdef BDB_PSEARCH
 724         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
 725                 ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 726                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 727                         rc = bdb_psearch( op, rs, ps_list, &dummy, LDAP_PSEARCH_BY_PREMODIFY );
 728                         if ( rc ) {
 729                                 Debug( LDAP_DEBUG_TRACE,
 730                                         LDAP_XSTRING(bdb_modrdn)
 731                                         ": persistent search failed (%d,%d)\n",
 732                                         rc, rs->sr_err, 0 );
 733                         }
 734                 }
 735                 ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 736         }
 737 #endif
 738
 739
 740         /* modify entry */
 741         rs->sr_err = bdb_modify_internal( op, lt2, &mod[0], &dummy,
 742                 &rs->sr_text, textbuf, textlen );
 743         if( rs->sr_err != LDAP_SUCCESS ) {
 744                 Debug(LDAP_DEBUG_TRACE,
 745                         "<=- " LDAP_XSTRING(bdb_modrdn)
 746                         ": modify failed: %s (%d)\n",
 747                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 748                 if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
 749                         rs->sr_err = opinfo.boi_err;
 750                 }
 751                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 752                 switch( rs->sr_err ) {
 753                 case DB_LOCK_DEADLOCK:
 754                 case DB_LOCK_NOTGRANTED:
 755                         goto retry;
 756                 }
 757                 goto return_results;
 758         }
 759
 760         /* id2entry index */
 761         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 762         if ( rs->sr_err != 0 ) {
 763                 Debug(LDAP_DEBUG_TRACE,
 764                         "<=- " LDAP_XSTRING(bdb_modrdn)
 765                         ": id2entry failed: %s (%d)\n",
 766                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 767                 switch( rs->sr_err ) {
 768                 case DB_LOCK_DEADLOCK:
 769                 case DB_LOCK_NOTGRANTED:
 770                         goto retry;
 771                 }
 772                 rs->sr_err = LDAP_OTHER;
 773                 rs->sr_text = "entry update failed";
 774                 goto return_results;
 775         }
 776
 777         if ( p_ndn.bv_len != 0 ) {
 778                 parent_is_glue = is_entry_glue(p);
 779                 rs->sr_err = bdb_cache_children( op, lt2, p );
 780                 if ( rs->sr_err != DB_NOTFOUND ) {
 781                         switch( rs->sr_err ) {
 782                         case DB_LOCK_DEADLOCK:
 783                         case DB_LOCK_NOTGRANTED:
 784                                 goto retry;
 785                         case 0:
 786                                 break;
 787                         default:
 788                                 Debug(LDAP_DEBUG_ARGS,
 789                                         "<=- " LDAP_XSTRING(bdb_modrdn)
 790                                         ": has_children failed: %s (%d)\n",
 791                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 792                                 rs->sr_err = LDAP_OTHER;
 793                                 rs->sr_text = "internal error";
 794                                 goto return_results;
 795                         }
 796                         parent_is_leaf = 1;
 797                 }
 798                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 799                 p = NULL;
 800         }
 801
 802         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 803                 rs->sr_err = LDAP_OTHER;
 804                 rs->sr_text = "txn_commit(2) failed";
 805                 goto return_results;
 806         }
 807
 808 #ifdef BDB_PSEARCH
 809         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 810                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 811                         &ctxcsn_e, &ctxcsn_added, locker );
 812                 switch ( rc ) {
 813                 case BDB_CSN_ABORT :
 814                         goto return_results;
 815                 case BDB_CSN_RETRY :
 816                         goto retry;
 817                 }
 818         }
 819 #endif
 820
 821         if( op->o_postread ) {
 822                 if( postread_ctrl == NULL ) {
 823                         postread_ctrl = &ctrls[num_ctrls++];
 824                         ctrls[num_ctrls] = NULL;
 825                 }
 826                 if( slap_read_controls( op, rs, &dummy,
 827                         &slap_post_read_bv, postread_ctrl ) )
 828                 {
 829                         Debug( LDAP_DEBUG_TRACE,
 830                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 831                                 ": post-read failed!\n", 0, 0, 0 );
 832                         goto return_results;
 833                 }
 834         }
 835
 836         if( op->o_noop ) {
 837                 if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 838                         rs->sr_text = "txn_abort (no-op) failed";
 839                 } else {
 840                         rs->sr_err = LDAP_SUCCESS;
 841                         goto return_results;
 842                 }
 843
 844         } else {
 845                 rc = bdb_cache_modrdn( e, &op->orr_nnewrdn, &dummy, neip,
 846                         bdb->bi_dbenv, locker, &lock );
 847                 switch( rc ) {
 848                 case DB_LOCK_DEADLOCK:
 849                 case DB_LOCK_NOTGRANTED:
 850                         goto retry;
 851                 }
 852                 dummy.e_attrs = NULL;
 853                 new_dn.bv_val = NULL;
 854                 new_ndn.bv_val = NULL;
 855
 856 #ifdef BDB_PSEARCH
 857                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 858                         if ( ctxcsn_added ) {
 859                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 860                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 861                         }
 862                 }
 863
 864                 if ( rs->sr_err == LDAP_SUCCESS ) {
 865                         /* Loop through in-scope entries for each psearch spec */
 866                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 867                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 868                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 869                                 if ( rc ) {
 870                                         Debug( LDAP_DEBUG_TRACE,
 871                                                 LDAP_XSTRING(bdb_modrdn)
 872                                                 ": persistent search failed "
 873                                                 "(%d,%d)\n",
 874                                                 rc, rs->sr_err, 0 );
 875                         }
 876                         }
 877                         pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 878                         while ( pm_list != NULL ) {
 879                                 rc = bdb_psearch(op, rs, pm_list->ps_op,
 880                                                         e, LDAP_PSEARCH_BY_SCOPEOUT);
 881                                 if ( rc ) {
 882                                         Debug( LDAP_DEBUG_TRACE,
 883                                                 LDAP_XSTRING(bdb_modrdn)
 884                                                 ": persistent search failed "
 885                                                 "(%d,%d)\n",
 886                                                 rc, rs->sr_err, 0 );
 887                                 }
 888                                 pm_prev = pm_list;
 889                                 LDAP_LIST_REMOVE ( pm_list, ps_link );
 890                                 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 891                                 ch_free( pm_prev );
 892                         }
 893                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 894                 }
 895 #endif
 896
 897                 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 898                         rs->sr_text = "txn_commit failed";
 899                 } else {
 900                         rs->sr_err = LDAP_SUCCESS;
 901                 }
 902         }
 903
 904         ltid = NULL;
 905         op->o_private = NULL;
 906
 907         if( rs->sr_err != LDAP_SUCCESS ) {
 908                 Debug( LDAP_DEBUG_TRACE,
 909                         LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n",
 910                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 911                 rs->sr_err = LDAP_OTHER;
 912
 913                 goto return_results;
 914         }
 915
 916         Debug(LDAP_DEBUG_TRACE,
 917                 LDAP_XSTRING(bdb_modrdn)
 918                 ": rdn modified%s id=%08lx dn=\"%s\"\n",
 919                 op->o_noop ? " (no-op)" : "",
 920                 dummy.e_id, op->o_req_dn.bv_val );
 921         rs->sr_text = NULL;
 922         if( num_ctrls ) rs->sr_ctrls = ctrls;
 923
 924 return_results:
 925         if ( dummy.e_attrs ) {
 926                 attrs_free( dummy.e_attrs );
 927         }
 928         send_ldap_result( op, rs );
 929
 930         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 931                 ldap_pvt_thread_yield();
 932                 TXN_CHECKPOINT( bdb->bi_dbenv,
 933                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 934         }
 935
 936         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 937                 op->o_delete_glue_parent = 1;
 938         }
 939
 940 done:
 941         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 942         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 943
 944         /* LDAP v2 supporting correct attribute handling. */
 945         if ( new_rdn != NULL ) {
 946                 ldap_rdnfree_x( new_rdn, op->o_tmpmemctx );
 947         }
 948         if ( old_rdn != NULL ) {
 949                 ldap_rdnfree_x( old_rdn, op->o_tmpmemctx );
 950         }
 951         if( mod != NULL ) {
 952                 Modifications *tmp;
 953                 for (; mod; mod=tmp ) {
 954                         tmp = mod->sml_next;
 955                         /* slap_modrdn2mods does things one way,
 956                          * slap_mods_opattrs does it differently
 957                          */
 958                         if ( mod->sml_op != SLAP_MOD_SOFTADD &&
 959                                 mod->sml_op != LDAP_MOD_DELETE ) break;
 960                         if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
 961                         free( mod );
 962                 }
 963                 slap_mods_free( mod );
 964         }
 965
 966         /* LDAP v3 Support */
 967         if( np != NULL ) {
 968                 /* free new parent and reader lock */
 969                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 970         }
 971
 972         if( p != NULL ) {
 973                 /* free parent and reader lock */
 974                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 975         }
 976
 977         /* free entry */
 978         if( e != NULL ) {
 979                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 980         }
 981
 982         if( ltid != NULL ) {
 983 #ifdef BDB_PSEARCH
 984                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 985                 while ( pm_list != NULL ) {
 986                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 987                         pm_prev = pm_list;
 988                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 989                         ch_free( pm_prev );
 990                 }
 991 #endif
 992                 TXN_ABORT( ltid );
 993                 op->o_private = NULL;
 994         }
 995
 996         if( preread_ctrl != NULL ) {
 997                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 998                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 999         }
1000         if( postread_ctrl != NULL ) {
1001                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
1002                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
1003         }
1004         return rs->sr_err;
1005 }