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

   1 /* modrdn.c - bdb backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12
  13 #include "back-bdb.h"
  14 #include "external.h"
  15
  16 int
  17 bdb_modrdn(
  18         Backend *be,
  19         Connection      *conn,
  20         Operation       *op,
  21         struct berval   *dn,
  22         struct berval   *ndn,
  23         struct berval   *newrdn,
  24         struct berval   *nnewrdn,
  25         int             deleteoldrdn,
  26         struct berval   *newSuperior,
  27         struct berval   *nnewSuperior )
  28 {
  29         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  30         AttributeDescription *children = slap_schema.si_ad_children;
  31         AttributeDescription *entry = slap_schema.si_ad_entry;
  32         struct berval   p_dn, p_ndn;
  33         struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
  34         int             isroot = -1;
  35         Entry           *e = NULL;
  36         Entry           *p = NULL;
  37         Entry           *matched;
  38         /* LDAP v2 supporting correct attribute handling. */
  39         LDAPRDN         *new_rdn = NULL;
  40         LDAPRDN         *old_rdn = NULL;
  41         int                     rc;
  42         const char *text;
  43         char textbuf[SLAP_TEXT_BUFLEN];
  44         size_t textlen = sizeof textbuf;
  45         DB_TXN *        ltid = NULL;
  46         struct bdb_op_info opinfo;
  47
  48         ID                      id;
  49
  50         Entry           *np = NULL;                     /* newSuperior Entry */
  51         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  52         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  53         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  54
  55         /* Used to interface with bdb_modify_internal() */
  56         Modifications   *mod = NULL;            /* Used to delete old rdn */
  57
  58         int             manageDSAit = get_manageDSAit( op );
  59
  60         u_int32_t       locker;
  61         DB_LOCK         lock;
  62
  63         int             noop = 0;
  64
  65 #ifdef NEW_LOGGING
  66         LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n",
  67                 dn->bv_val,newrdn->bv_val, newSuperior ? newSuperior->bv_val : "NULL" );
  68 #else
  69         Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
  70                 dn->bv_val, newrdn->bv_val,
  71                 newSuperior ? newSuperior->bv_val : "NULL" );
  72 #endif
  73
  74 #if 0
  75         if( newSuperior != NULL ) {
  76                 rc = LDAP_UNWILLING_TO_PERFORM;
  77                 text = "newSuperior not implemented (yet)";
  78                 goto return_results;
  79         }
  80 #endif
  81
  82         if( 0 ) {
  83 retry:  /* transaction retry */
  84                 if (e != NULL) {
  85                         bdb_cache_delete_entry(&bdb->bi_cache, e);
  86                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  87                 }
  88                 if (p != NULL) {
  89                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  90                 }
  91                 if (np != NULL) {
  92                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  93                 }
  94 #ifdef NEW_LOGGING
  95                 LDAP_LOG ( OPERATION, DETAIL1, "==>bdb_modrdn: retrying...\n", 0, 0, 0);
  96 #else
  97                 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
  98 #endif
  99                 rc = TXN_ABORT( ltid );
 100                 ltid = NULL;
 101                 op->o_private = NULL;
 102                 if( rc != 0 ) {
 103                         rc = LDAP_OTHER;
 104                         text = "internal error";
 105                         goto return_results;
 106                 }
 107                 ldap_pvt_thread_yield();
 108         }
 109
 110         /* begin transaction */
 111         rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 112                 bdb->bi_db_opflags );
 113         text = NULL;
 114         if( rc != 0 ) {
 115 #ifdef NEW_LOGGING
 116                 LDAP_LOG ( OPERATION, ERR,
 117                         "==>bdb_modrdn: txn_begin failed: %s (%d)\n",
 118                         db_strerror(rc), rc, 0 );
 119 #else
 120                 Debug( LDAP_DEBUG_TRACE,
 121                         "bdb_delete: txn_begin failed: %s (%d)\n",
 122                         db_strerror(rc), rc, 0 );
 123 #endif
 124                 rc = LDAP_OTHER;
 125                 text = "internal error";
 126                 goto return_results;
 127         }
 128
 129         locker = TXN_ID ( ltid );
 130
 131         opinfo.boi_bdb = be;
 132         opinfo.boi_txn = ltid;
 133         opinfo.boi_err = 0;
 134         op->o_private = &opinfo;
 135
 136         /* get entry */
 137         rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW, locker, &lock );
 138
 139         switch( rc ) {
 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                 text = "ldap server busy";
 148                 goto return_results;
 149         default:
 150                 rc = LDAP_OTHER;
 151                 text = "internal error";
 152                 goto return_results;
 153         }
 154
 155         if ( e == NULL ) {
 156                 char* matched_dn = NULL;
 157                 BerVarray refs;
 158
 159                 if( matched != NULL ) {
 160                         matched_dn = ch_strdup( matched->e_dn );
 161                         refs = is_entry_referral( matched )
 162                                 ? get_entry_referrals( be, conn, op, matched )
 163                                 : NULL;
 164                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, matched);
 165                         matched = NULL;
 166
 167                 } else {
 168                         refs = referral_rewrite( default_referral,
 169                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 170                 }
 171
 172                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 173                         matched_dn, NULL, refs, NULL );
 174
 175                 ber_bvarray_free( refs );
 176                 free( matched_dn );
 177
 178                 goto done;
 179         }
 180
 181         if (!manageDSAit && is_entry_referral( e ) ) {
 182                 /* parent is a referral, don't allow add */
 183                 /* parent is an alias, don't allow add */
 184                 BerVarray refs = get_entry_referrals( be,
 185                         conn, op, e );
 186
 187 #ifdef NEW_LOGGING
 188                 LDAP_LOG ( OPERATION, DETAIL1,
 189                         "==>bdb_modrdn: entry %s is referral \n", e->e_dn, 0, 0 );
 190 #else
 191                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
 192                         e->e_dn, 0, 0 );
 193 #endif
 194
 195                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 196                         e->e_dn, NULL, refs, NULL );
 197
 198                 ber_bvarray_free( refs );
 199                 goto done;
 200         }
 201
 202         if ( be_issuffix( be, &e->e_nname ) ) {
 203                 p_ndn = slap_empty_bv;
 204         } else {
 205                 dnParent( &e->e_nname, &p_ndn );
 206         }
 207         np_ndn = &p_ndn;
 208         if ( p_ndn.bv_len != 0 ) {
 209                 /* Make sure parent entry exist and we can write its
 210                  * children.
 211                  */
 212                 rc = bdb_dn2entry_r( be, ltid, &p_ndn, &p, NULL, 0, locker, &lock );
 213
 214                 switch( rc ) {
 215                 case 0:
 216                 case DB_NOTFOUND:
 217                         break;
 218                 case DB_LOCK_DEADLOCK:
 219                 case DB_LOCK_NOTGRANTED:
 220                         goto retry;
 221                 case LDAP_BUSY:
 222                         text = "ldap server busy";
 223                         goto return_results;
 224                 default:
 225                         rc = LDAP_OTHER;
 226                         text = "internal error";
 227                         goto return_results;
 228                 }
 229
 230                 if( p == NULL) {
 231 #ifdef NEW_LOGGING
 232                         LDAP_LOG ( OPERATION, ERR,
 233                                 "==>bdb_modrdn: parent does not exist\n", 0, 0, 0 );
 234 #else
 235                         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
 236                                 0, 0, 0);
 237 #endif
 238                         rc = LDAP_OTHER;
 239                         goto return_results;
 240                 }
 241
 242                 /* check parent for "children" acl */
 243                 if ( ! access_allowed( be, conn, op, p,
 244                         children, NULL, ACL_WRITE, NULL ) )
 245                 {
 246 #ifdef NEW_LOGGING
 247                         LDAP_LOG ( OPERATION, ERR,
 248                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 249 #else
 250                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 251                                 0, 0 );
 252 #endif
 253                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 254                                 NULL, NULL, NULL, NULL );
 255                         goto return_results;
 256                 }
 257
 258 #ifdef NEW_LOGGING
 259                 LDAP_LOG ( OPERATION, DETAIL1,
 260                         "==>bdb_modrdn: wr to children %s is OK\n", p_ndn.bv_val, 0, 0 );
 261 #else
 262                 Debug( LDAP_DEBUG_TRACE,
 263                         "bdb_modrdn: wr to children of entry %s OK\n",
 264                         p_ndn.bv_val, 0, 0 );
 265 #endif
 266
 267                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 268                         p_dn = slap_empty_bv;
 269                 } else {
 270                         dnParent( &e->e_name, &p_dn );
 271                 }
 272
 273 #ifdef NEW_LOGGING
 274                 LDAP_LOG ( OPERATION, DETAIL1,
 275                         "==>bdb_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 276 #else
 277                 Debug( LDAP_DEBUG_TRACE,
 278                         "bdb_modrdn: parent dn=%s\n",
 279                         p_dn.bv_val, 0, 0 );
 280 #endif
 281
 282         } else {
 283                 /* no parent, modrdn entry directly under root */
 284                 isroot = be_isroot( be, &op->o_ndn );
 285                 if ( ! isroot ) {
 286                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 287                                 || be_isupdate( be, &op->o_ndn ) ) {
 288
 289                                 p = (Entry *)&slap_entry_root;
 290
 291                                 /* check parent for "children" acl */
 292                                 rc = access_allowed( be, conn, op, p,
 293                                         children, NULL, ACL_WRITE, NULL );
 294
 295                                 p = NULL;
 296
 297                                 if ( ! rc )
 298                                 {
 299 #ifdef NEW_LOGGING
 300                                         LDAP_LOG ( OPERATION, ERR,
 301                                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 302 #else
 303                                         Debug( LDAP_DEBUG_TRACE,
 304                                                 "no access to parent\n",
 305                                                 0, 0, 0 );
 306 #endif
 307                                         send_ldap_result( conn, op,
 308                                                 LDAP_INSUFFICIENT_ACCESS,
 309                                                 NULL, NULL, NULL, NULL );
 310                                         goto return_results;
 311                                 }
 312
 313 #ifdef NEW_LOGGING
 314                                 LDAP_LOG ( OPERATION, DETAIL1,
 315                                         "==>bdb_modrdn: wr to children of entry \"%s\" OK\n",
 316                                         p_dn.bv_val, 0, 0 );
 317 #else
 318                                 Debug( LDAP_DEBUG_TRACE,
 319                                         "bdb_modrdn: wr to children of entry \"\" OK\n",
 320                                         0, 0, 0 );
 321 #endif
 322
 323                                 p_dn.bv_val = "";
 324                                 p_dn.bv_len = 0;
 325
 326 #ifdef NEW_LOGGING
 327                                 LDAP_LOG ( OPERATION, DETAIL1,
 328                                         "==>bdb_modrdn: parent dn=\"\" \n", 0, 0, 0 );
 329 #else
 330                                 Debug( LDAP_DEBUG_TRACE,
 331                                         "bdb_modrdn: parent dn=\"\"\n",
 332                                         0, 0, 0 );
 333 #endif
 334
 335                         } else {
 336 #ifdef NEW_LOGGING
 337                                 LDAP_LOG ( OPERATION, ERR,
 338                                         "==>bdb_modrdn: no parent, not root &\"\" is not "
 339                                         "suffix\n", 0, 0, 0 );
 340 #else
 341                                 Debug( LDAP_DEBUG_TRACE,
 342                                         "bdb_modrdn: no parent, not root "
 343                                         "& \"\" is not suffix\n",
 344                                         0, 0, 0);
 345 #endif
 346                                 rc = LDAP_INSUFFICIENT_ACCESS;
 347                                 goto return_results;
 348                         }
 349                 }
 350         }
 351
 352         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 353
 354         if ( newSuperior != NULL ) {
 355 #ifdef NEW_LOGGING
 356                 LDAP_LOG ( OPERATION, DETAIL1,
 357                         "==>bdb_modrdn: new parent \"%s\" requested...\n",
 358                         newSuperior->bv_val, 0, 0 );
 359 #else
 360                 Debug( LDAP_DEBUG_TRACE,
 361                         "bdb_modrdn: new parent \"%s\" requested...\n",
 362                         newSuperior->bv_val, 0, 0 );
 363 #endif
 364
 365                 if ( newSuperior->bv_len ) {
 366                         np_dn = newSuperior;
 367                         np_ndn = nnewSuperior;
 368
 369                         /* newSuperior == oldParent?, if so ==> ERROR */
 370                         /* newSuperior == entry being moved?, if so ==> ERROR */
 371                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 372
 373                         rc = bdb_dn2entry_r( be, ltid, nnewSuperior, &np, NULL, 0, locker, &lock );
 374
 375                         switch( rc ) {
 376                         case 0:
 377                         case DB_NOTFOUND:
 378                                 break;
 379                         case DB_LOCK_DEADLOCK:
 380                         case DB_LOCK_NOTGRANTED:
 381                                 goto retry;
 382                         case LDAP_BUSY:
 383                                 text = "ldap server busy";
 384                                 goto return_results;
 385                         default:
 386                                 rc = LDAP_OTHER;
 387                                 text = "internal error";
 388                                 goto return_results;
 389                         }
 390
 391                         if( np == NULL) {
 392 #ifdef NEW_LOGGING
 393                                 LDAP_LOG ( OPERATION, DETAIL1,
 394                                         "==>bdb_modrdn: newSup(ndn=%s) not here!\n",
 395                                         np_ndn->bv_val, 0, 0 );
 396 #else
 397                                 Debug( LDAP_DEBUG_TRACE,
 398                                         "bdb_modrdn: newSup(ndn=%s) not here!\n",
 399                                         np_ndn->bv_val, 0, 0);
 400 #endif
 401                                 rc = LDAP_OTHER;
 402                                 goto return_results;
 403                         }
 404
 405 #ifdef NEW_LOGGING
 406                         LDAP_LOG ( OPERATION, DETAIL1,
 407                                 "==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 408                                 np, (long) np->e_id, 0 );
 409 #else
 410                         Debug( LDAP_DEBUG_TRACE,
 411                                 "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 412                                 np, (long) np->e_id, 0 );
 413 #endif
 414
 415                         /* check newSuperior for "children" acl */
 416                         if ( !access_allowed( be, conn, op, np, children, NULL, ACL_WRITE, NULL ) ) {
 417 #ifdef NEW_LOGGING
 418                                 LDAP_LOG ( OPERATION, DETAIL1,
 419                                         "==>bdb_modrdn: no wr to newSup children\n", 0, 0, 0 );
 420 #else
 421                                 Debug( LDAP_DEBUG_TRACE,
 422                                         "bdb_modrdn: no wr to newSup children\n",
 423                                         0, 0, 0 );
 424 #endif
 425                                 rc = LDAP_INSUFFICIENT_ACCESS;
 426                                 goto return_results;
 427                         }
 428
 429 #ifdef BDB_ALIASES
 430                         if ( is_entry_alias( np ) ) {
 431                                 /* parent is an alias, don't allow add */
 432 #ifdef NEW_LOGGING
 433                                 LDAP_LOG ( OPERATION, DETAIL1,
 434                                         "==>bdb_modrdn: entry is alias\n", 0, 0, 0 );
 435 #else
 436                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
 437                                         0, 0, 0 );
 438 #endif
 439
 440                                 rc = LDAP_ALIAS_PROBLEM;
 441                                 goto return_results;
 442                         }
 443 #endif
 444
 445                         if ( is_entry_referral( np ) ) {
 446                                 /* parent is a referral, don't allow add */
 447 #ifdef NEW_LOGGING
 448                                 LDAP_LOG ( OPERATION, DETAIL1,
 449                                         "==>bdb_modrdn: entry is referral\n", 0, 0, 0 );
 450 #else
 451                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
 452                                         0, 0, 0 );
 453 #endif
 454
 455                                 rc = LDAP_OTHER;
 456                                 goto return_results;
 457                         }
 458
 459                 } else {
 460                         if ( isroot == -1 ) {
 461                                 isroot = be_isroot( be, &op->o_ndn );
 462                         }
 463
 464                         np_dn = NULL;
 465
 466                         /* no parent, modrdn entry directly under root */
 467                         if ( ! isroot ) {
 468                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 469                                         || be_isupdate( be, &op->o_ndn ) ) {
 470                                         np = (Entry *)&slap_entry_root;
 471
 472                                         /* check parent for "children" acl */
 473                                         rc = access_allowed( be, conn, op, np,
 474                                                 children, NULL, ACL_WRITE, NULL );
 475
 476                                         np = NULL;
 477
 478                                         if ( ! rc )
 479                                         {
 480 #ifdef NEW_LOGGING
 481                                                 LDAP_LOG ( OPERATION, ERR,
 482                                                         "==>bdb_modrdn: no access to superior\n", 0, 0, 0 );
 483 #else
 484                                                 Debug( LDAP_DEBUG_TRACE,
 485                                                         "no access to new superior\n",
 486                                                         0, 0, 0 );
 487 #endif
 488                                                 send_ldap_result( conn, op,
 489                                                         LDAP_INSUFFICIENT_ACCESS,
 490                                                         NULL, NULL, NULL, NULL );
 491                                                 goto return_results;
 492                                         }
 493
 494 #ifdef NEW_LOGGING
 495                                         LDAP_LOG ( OPERATION, DETAIL1,
 496                                                 "bdb_modrdn: wr to children entry \"\" OK\n", 0, 0, 0 );
 497 #else
 498                                         Debug( LDAP_DEBUG_TRACE,
 499                                                 "bdb_modrdn: wr to children of entry \"\" OK\n",
 500                                                 0, 0, 0 );
 501 #endif
 502
 503                                 } else {
 504 #ifdef NEW_LOGGING
 505                                         LDAP_LOG ( OPERATION, ERR,
 506                                                 "bdb_modrdn: new superior=\"\", not root & \"\" "
 507                                                 "is not suffix\n", 0, 0, 0 );
 508 #else
 509                                         Debug( LDAP_DEBUG_TRACE,
 510                                                 "bdb_modrdn: new superior=\"\", not root "
 511                                                 "& \"\" is not suffix\n",
 512                                                 0, 0, 0);
 513 #endif
 514                                         rc = LDAP_INSUFFICIENT_ACCESS;
 515                                         goto return_results;
 516                                 }
 517                         }
 518
 519 #ifdef NEW_LOGGING
 520                         LDAP_LOG ( OPERATION, DETAIL1,
 521                                 "bdb_modrdn: new superior=\"\"\n", 0, 0, 0 );
 522 #else
 523                         Debug( LDAP_DEBUG_TRACE,
 524                                 "bdb_modrdn: new superior=\"\"\n",
 525                                 0, 0, 0 );
 526 #endif
 527                 }
 528
 529 #ifdef NEW_LOGGING
 530                 LDAP_LOG ( OPERATION, DETAIL1,
 531                         "bdb_modrdn: wr to new parent's children OK\n", 0, 0, 0 );
 532 #else
 533                 Debug( LDAP_DEBUG_TRACE,
 534                         "bdb_modrdn: wr to new parent's children OK\n",
 535                         0, 0, 0 );
 536 #endif
 537
 538                 new_parent_dn = np_dn;
 539         }
 540
 541         /* check write on old entry */
 542         rc = access_allowed( be, conn, op, e,
 543                 entry, NULL, ACL_WRITE, NULL );
 544
 545         switch( opinfo.boi_err ) {
 546         case DB_LOCK_DEADLOCK:
 547         case DB_LOCK_NOTGRANTED:
 548                 goto retry;
 549         }
 550
 551         if ( rc ) {
 552 #ifdef NEW_LOGGING
 553                 LDAP_LOG ( OPERATION, ERR,
 554                         "==>bdb_modrdn: no access to entry\n", 0, 0, 0 );
 555 #else
 556                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 557                         0, 0 );
 558 #endif
 559                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 560                         NULL, NULL, NULL, NULL );
 561                 goto return_results;
 562         }
 563
 564
 565         /* Build target dn and make sure target entry doesn't exist already. */
 566         build_new_dn( &new_dn, new_parent_dn, newrdn );
 567
 568         dnNormalize2( NULL, &new_dn, &new_ndn );
 569
 570 #ifdef NEW_LOGGING
 571         LDAP_LOG ( OPERATION, RESULTS,
 572                 "bdb_modrdn: new ndn=%s\n", new_ndn.bv_val, 0, 0 );
 573 #else
 574         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
 575                 new_ndn.bv_val, 0, 0 );
 576 #endif
 577
 578         rc = bdb_dn2id ( be, ltid, &new_ndn, &id, 0 );
 579         switch( rc ) {
 580         case DB_LOCK_DEADLOCK:
 581         case DB_LOCK_NOTGRANTED:
 582                 goto retry;
 583         case DB_NOTFOUND:
 584                 break;
 585         case 0:
 586                 rc = LDAP_ALREADY_EXISTS;
 587                 goto return_results;
 588         default:
 589                 rc = LDAP_OTHER;
 590                 text = "internal error";
 591                 goto return_results;
 592         }
 593
 594 #ifdef NEW_LOGGING
 595         LDAP_LOG ( OPERATION, ERR,
 596                 "bdb_modrdn: new ndn=%s does not exist\n", new_ndn.bv_val, 0, 0 );
 597 #else
 598         Debug( LDAP_DEBUG_TRACE,
 599                 "bdb_modrdn: new ndn=%s does not exist\n",
 600                 new_ndn.bv_val, 0, 0 );
 601 #endif
 602
 603         /* Get attribute type and attribute value of our new rdn, we will
 604          * need to add that to our new entry
 605          */
 606         if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
 607                 LDAP_DN_FORMAT_LDAP ) )
 608         {
 609 #ifdef NEW_LOGGING
 610                 LDAP_LOG ( OPERATION, ERR,
 611                         "bdb_modrdn: can't figure out "
 612                         "type(s)/values(s) of newrdn\n",
 613                         0, 0, 0 );
 614 #else
 615                 Debug( LDAP_DEBUG_TRACE,
 616                         "bdb_modrdn: can't figure out "
 617                         "type(s)/values(s) of newrdn\n",
 618                         0, 0, 0 );
 619 #endif
 620                 rc = LDAP_INVALID_DN_SYNTAX;
 621                 text = "unknown type(s) used in RDN";
 622                 goto return_results;
 623         }
 624
 625 #ifdef NEW_LOGGING
 626         LDAP_LOG ( OPERATION, RESULTS,
 627                 "bdb_modrdn: new_rdn_type=\"%s\", "
 628                 "new_rdn_val=\"%s\"\n",
 629                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 630                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 631 #else
 632         Debug( LDAP_DEBUG_TRACE,
 633                 "bdb_modrdn: new_rdn_type=\"%s\", "
 634                 "new_rdn_val=\"%s\"\n",
 635                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 636                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 637 #endif
 638
 639         if ( deleteoldrdn ) {
 640                 if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
 641                         LDAP_DN_FORMAT_LDAP ) )
 642                 {
 643 #ifdef NEW_LOGGING
 644                         LDAP_LOG ( OPERATION, ERR,
 645                                 "bdb_modrdn: can't figure out "
 646                                 "type(s)/values(s) of old_rdn\n",
 647                                 0, 0, 0 );
 648 #else
 649                         Debug( LDAP_DEBUG_TRACE,
 650                                 "bdb_modrdn: can't figure out "
 651                                 "the old_rdn type(s)/value(s)\n",
 652                                 0, 0, 0 );
 653 #endif
 654                         rc = LDAP_OTHER;
 655                         text = "cannot parse RDN from old DN";
 656                         goto return_results;
 657                 }
 658         }
 659
 660         /* prepare modlist of modifications from old/new rdn */
 661         rc = slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn,
 662                         deleteoldrdn, &mod );
 663         if ( rc != LDAP_SUCCESS ) {
 664                 goto return_results;
 665         }
 666
 667         /* delete old one */
 668         rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
 669         if ( rc != 0 ) {
 670                 switch( rc ) {
 671                 case DB_LOCK_DEADLOCK:
 672                 case DB_LOCK_NOTGRANTED:
 673                         goto retry;
 674                 }
 675                 rc = LDAP_OTHER;
 676                 text = "DN index delete fail";
 677                 goto return_results;
 678         }
 679
 680         (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
 681
 682         /* Binary format uses a single contiguous block, cannot
 683          * free individual fields. Leave new_dn/new_ndn set so
 684          * they can be individually freed later.
 685          */
 686         e->e_name = new_dn;
 687         e->e_nname = new_ndn;
 688
 689         new_dn.bv_val = NULL;
 690         new_ndn.bv_val = NULL;
 691
 692         /* add new one */
 693         rc = bdb_dn2id_add( be, ltid, np_ndn, e );
 694         if ( rc != 0 ) {
 695                 switch( rc ) {
 696                 case DB_LOCK_DEADLOCK:
 697                 case DB_LOCK_NOTGRANTED:
 698                         goto retry;
 699                 }
 700                 rc = LDAP_OTHER;
 701                 text = "DN index add failed";
 702                 goto return_results;
 703         }
 704
 705         /* modify entry */
 706         rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
 707                 &text, textbuf, textlen );
 708
 709         if( rc != LDAP_SUCCESS ) {
 710                 switch( rc ) {
 711                 case DB_LOCK_DEADLOCK:
 712                 case DB_LOCK_NOTGRANTED:
 713                         goto retry;
 714                 }
 715                 goto return_results;
 716         }
 717
 718         /* id2entry index */
 719         rc = bdb_id2entry_update( be, ltid, e );
 720         if ( rc != 0 ) {
 721                 switch( rc ) {
 722                 case DB_LOCK_DEADLOCK:
 723                 case DB_LOCK_NOTGRANTED:
 724                         goto retry;
 725                 }
 726                 rc = LDAP_OTHER;
 727                 text = "entry update failed";
 728                 goto return_results;
 729         }
 730
 731         if( op->o_noop ) {
 732                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 733                         text = "txn_abort (no-op) failed";
 734                 } else {
 735                         noop = 1;
 736                         rc = LDAP_SUCCESS;
 737                 }
 738
 739         } else {
 740                 char gid[DB_XIDDATASIZE];
 741
 742                 snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
 743                         bdb_uuid.bv_val, (long) op->o_connid, (long) op->o_opid );
 744
 745                 if(( rc=TXN_PREPARE( ltid, gid )) != 0 ) {
 746                         text = "txn_prepare failed";
 747                 } else {
 748                         if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
 749                                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 750                                         text ="cache update & txn_abort failed";
 751                                 } else {
 752                                         rc = LDAP_OTHER;
 753                                         text = "cache update failed";
 754                                 }
 755
 756                         } else {
 757                                 if(( rc=TXN_COMMIT( ltid, 0 )) != 0 ) {
 758                                         text = "txn_commit failed";
 759                                 } else {
 760                                         rc = LDAP_SUCCESS;
 761                                 }
 762                         }
 763                 }
 764         }
 765
 766         ltid = NULL;
 767         op->o_private = NULL;
 768
 769         if( rc == LDAP_SUCCESS ) {
 770 #ifdef NEW_LOGGING
 771                 LDAP_LOG ( OPERATION, RESULTS,
 772                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 773                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 774 #else
 775                 Debug(LDAP_DEBUG_TRACE,
 776                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 777                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 778 #endif
 779                 text = NULL;
 780                 if ( !noop ) {
 781                         bdb_cache_entry_commit( e );
 782                 }
 783
 784         } else {
 785 #ifdef NEW_LOGGING
 786                 LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n",
 787                         text, db_strerror(rc), rc );
 788 #else
 789                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 790                         text, db_strerror(rc), rc );
 791 #endif
 792                 rc = LDAP_OTHER;
 793         }
 794
 795 return_results:
 796         send_ldap_result( conn, op, rc,
 797                 NULL, text, NULL, NULL );
 798
 799         if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 800                 ldap_pvt_thread_yield();
 801                 TXN_CHECKPOINT( bdb->bi_dbenv,
 802                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 803         }
 804
 805 done:
 806         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 807         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 808
 809         /* LDAP v2 supporting correct attribute handling. */
 810         if ( new_rdn != NULL ) {
 811                 ldap_rdnfree( new_rdn );
 812         }
 813         if ( old_rdn != NULL ) {
 814                 ldap_rdnfree( old_rdn );
 815         }
 816         if( mod != NULL ) {
 817                 Modifications *tmp;
 818                 for (; mod; mod=tmp ) {
 819                         tmp = mod->sml_next;
 820                         free( mod );
 821                 }
 822         }
 823
 824         /* LDAP v3 Support */
 825         if( np != NULL ) {
 826                 /* free new parent and reader lock */
 827                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 828         }
 829
 830         if( p != NULL ) {
 831                 /* free parent and reader lock */
 832                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 833         }
 834
 835         /* free entry */
 836         if( e != NULL ) {
 837                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 838         }
 839
 840         if( ltid != NULL ) {
 841                 TXN_ABORT( ltid );
 842                 op->o_private = NULL;
 843         }
 844
 845         return ( ( rc == LDAP_SUCCESS ) ? noop : rc );
 846 }