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