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 LDAP_CLIENT_UPDATE
  66         Operation* ps_list;
  67         struct psid_entry* pm_list;
  68         struct psid_entry* pm_prev;
  69 #endif
  70
  71 #ifdef NEW_LOGGING
  72         LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n",
  73                 dn->bv_val,newrdn->bv_val, newSuperior ? newSuperior->bv_val : "NULL" );
  74 #else
  75         Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
  76                 dn->bv_val, newrdn->bv_val,
  77                 newSuperior ? newSuperior->bv_val : "NULL" );
  78 #endif
  79
  80         if( 0 ) {
  81 retry:  /* transaction retry */
  82                 if (e != NULL) {
  83                         bdb_cache_delete_entry(&bdb->bi_cache, e);
  84                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  85                 }
  86                 if (p != NULL) {
  87                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  88                 }
  89                 if (np != NULL) {
  90                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  91                 }
  92 #ifdef NEW_LOGGING
  93                 LDAP_LOG ( OPERATION, DETAIL1, "==>bdb_modrdn: retrying...\n", 0, 0, 0);
  94 #else
  95                 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
  96 #endif
  97
  98 #ifdef LDAP_CLIENT_UPDATE
  99                 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
 100                 while ( pm_list != NULL ) {
 101                         LDAP_LIST_REMOVE ( pm_list, link );
 102                         pm_prev = pm_list;
 103                         pm_list = LDAP_LIST_NEXT ( pm_list, link );
 104                         free (pm_prev);
 105                 }
 106 #endif
 107
 108                 rc = TXN_ABORT( ltid );
 109                 ltid = NULL;
 110                 op->o_private = NULL;
 111                 if( rc != 0 ) {
 112                         rc = LDAP_OTHER;
 113                         text = "internal error";
 114                         goto return_results;
 115                 }
 116                 ldap_pvt_thread_yield();
 117         }
 118
 119         /* begin transaction */
 120         rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 121                 bdb->bi_db_opflags );
 122         text = NULL;
 123         if( rc != 0 ) {
 124 #ifdef NEW_LOGGING
 125                 LDAP_LOG ( OPERATION, ERR,
 126                         "==>bdb_modrdn: txn_begin failed: %s (%d)\n",
 127                         db_strerror(rc), rc, 0 );
 128 #else
 129                 Debug( LDAP_DEBUG_TRACE,
 130                         "bdb_delete: txn_begin failed: %s (%d)\n",
 131                         db_strerror(rc), rc, 0 );
 132 #endif
 133                 rc = LDAP_OTHER;
 134                 text = "internal error";
 135                 goto return_results;
 136         }
 137
 138         locker = TXN_ID ( ltid );
 139
 140         opinfo.boi_bdb = be;
 141         opinfo.boi_txn = ltid;
 142         opinfo.boi_err = 0;
 143         op->o_private = &opinfo;
 144
 145         /* get entry */
 146         rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW, locker, &lock );
 147
 148         switch( rc ) {
 149         case 0:
 150         case DB_NOTFOUND:
 151                 break;
 152         case DB_LOCK_DEADLOCK:
 153         case DB_LOCK_NOTGRANTED:
 154                 goto retry;
 155         case LDAP_BUSY:
 156                 text = "ldap server busy";
 157                 goto return_results;
 158         default:
 159                 rc = LDAP_OTHER;
 160                 text = "internal error";
 161                 goto return_results;
 162         }
 163
 164         if ( e == NULL ) {
 165                 char* matched_dn = NULL;
 166                 BerVarray refs;
 167
 168                 if( matched != NULL ) {
 169                         matched_dn = ch_strdup( matched->e_dn );
 170                         refs = is_entry_referral( matched )
 171                                 ? get_entry_referrals( be, conn, op, matched )
 172                                 : NULL;
 173                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, matched);
 174                         matched = NULL;
 175
 176                 } else {
 177                         refs = referral_rewrite( default_referral,
 178                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 179                 }
 180
 181                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 182                         matched_dn, NULL, refs, NULL );
 183
 184                 ber_bvarray_free( refs );
 185                 free( matched_dn );
 186
 187                 goto done;
 188         }
 189
 190         /* check write on old entry */
 191         rc = access_allowed( be, conn, op, e,
 192                 entry, NULL, ACL_WRITE, NULL );
 193
 194         switch( opinfo.boi_err ) {
 195         case DB_LOCK_DEADLOCK:
 196         case DB_LOCK_NOTGRANTED:
 197                 goto retry;
 198         }
 199
 200         if ( ! rc ) {
 201 #ifdef NEW_LOGGING
 202                 LDAP_LOG ( OPERATION, ERR,
 203                         "==>bdb_modrdn: no access to entry\n", 0, 0, 0 );
 204 #else
 205                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 206                         0, 0 );
 207 #endif
 208                 rc = LDAP_INSUFFICIENT_ACCESS;
 209                 goto return_results;
 210         }
 211
 212         if (!manageDSAit && is_entry_referral( e ) ) {
 213                 /* parent is a referral, don't allow add */
 214                 /* parent is an alias, don't allow add */
 215                 BerVarray refs = get_entry_referrals( be,
 216                         conn, op, e );
 217
 218 #ifdef NEW_LOGGING
 219                 LDAP_LOG ( OPERATION, DETAIL1,
 220                         "==>bdb_modrdn: entry %s is referral \n", e->e_dn, 0, 0 );
 221 #else
 222                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
 223                         e->e_dn, 0, 0 );
 224 #endif
 225
 226                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 227                         e->e_dn, NULL, refs, NULL );
 228
 229                 ber_bvarray_free( refs );
 230                 goto done;
 231         }
 232
 233         if ( be_issuffix( be, &e->e_nname ) ) {
 234                 p_ndn = slap_empty_bv;
 235         } else {
 236                 dnParent( &e->e_nname, &p_ndn );
 237         }
 238         np_ndn = &p_ndn;
 239         if ( p_ndn.bv_len != 0 ) {
 240                 /* Make sure parent entry exist and we can write its
 241                  * children.
 242                  */
 243                 rc = bdb_dn2entry_r( be, ltid, &p_ndn, &p, NULL, 0, locker, &lock );
 244
 245                 switch( rc ) {
 246                 case 0:
 247                 case DB_NOTFOUND:
 248                         break;
 249                 case DB_LOCK_DEADLOCK:
 250                 case DB_LOCK_NOTGRANTED:
 251                         goto retry;
 252                 case LDAP_BUSY:
 253                         text = "ldap server busy";
 254                         goto return_results;
 255                 default:
 256                         rc = LDAP_OTHER;
 257                         text = "internal error";
 258                         goto return_results;
 259                 }
 260
 261                 if( p == NULL) {
 262 #ifdef NEW_LOGGING
 263                         LDAP_LOG ( OPERATION, ERR,
 264                                 "==>bdb_modrdn: parent does not exist\n", 0, 0, 0 );
 265 #else
 266                         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
 267                                 0, 0, 0);
 268 #endif
 269                         rc = LDAP_OTHER;
 270                         goto return_results;
 271                 }
 272
 273                 /* check parent for "children" acl */
 274                 if ( ! access_allowed( be, conn, op, p,
 275                         children, NULL, ACL_WRITE, NULL ) )
 276                 {
 277 #ifdef NEW_LOGGING
 278                         LDAP_LOG ( OPERATION, ERR,
 279                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 280 #else
 281                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 282                                 0, 0 );
 283 #endif
 284                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 285                                 NULL, NULL, NULL, NULL );
 286                         goto return_results;
 287                 }
 288
 289 #ifdef NEW_LOGGING
 290                 LDAP_LOG ( OPERATION, DETAIL1,
 291                         "==>bdb_modrdn: wr to children %s is OK\n", p_ndn.bv_val, 0, 0 );
 292 #else
 293                 Debug( LDAP_DEBUG_TRACE,
 294                         "bdb_modrdn: wr to children of entry %s OK\n",
 295                         p_ndn.bv_val, 0, 0 );
 296 #endif
 297
 298                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 299                         p_dn = slap_empty_bv;
 300                 } else {
 301                         dnParent( &e->e_name, &p_dn );
 302                 }
 303
 304 #ifdef NEW_LOGGING
 305                 LDAP_LOG ( OPERATION, DETAIL1,
 306                         "==>bdb_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 307 #else
 308                 Debug( LDAP_DEBUG_TRACE,
 309                         "bdb_modrdn: parent dn=%s\n",
 310                         p_dn.bv_val, 0, 0 );
 311 #endif
 312
 313         } else {
 314                 /* no parent, modrdn entry directly under root */
 315                 isroot = be_isroot( be, &op->o_ndn );
 316                 if ( ! isroot ) {
 317                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 318                                 || be_isupdate( be, &op->o_ndn ) ) {
 319
 320                                 p = (Entry *)&slap_entry_root;
 321
 322                                 /* check parent for "children" acl */
 323                                 rc = access_allowed( be, conn, op, p,
 324                                         children, NULL, ACL_WRITE, NULL );
 325
 326                                 p = NULL;
 327
 328                                 if ( ! rc )
 329                                 {
 330 #ifdef NEW_LOGGING
 331                                         LDAP_LOG ( OPERATION, ERR,
 332                                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 333 #else
 334                                         Debug( LDAP_DEBUG_TRACE,
 335                                                 "no access to parent\n",
 336                                                 0, 0, 0 );
 337 #endif
 338                                         send_ldap_result( conn, op,
 339                                                 LDAP_INSUFFICIENT_ACCESS,
 340                                                 NULL, NULL, NULL, NULL );
 341                                         goto return_results;
 342                                 }
 343
 344 #ifdef NEW_LOGGING
 345                                 LDAP_LOG ( OPERATION, DETAIL1,
 346                                         "==>bdb_modrdn: wr to children of entry \"%s\" OK\n",
 347                                         p_dn.bv_val, 0, 0 );
 348 #else
 349                                 Debug( LDAP_DEBUG_TRACE,
 350                                         "bdb_modrdn: wr to children of entry \"\" OK\n",
 351                                         0, 0, 0 );
 352 #endif
 353
 354                                 p_dn.bv_val = "";
 355                                 p_dn.bv_len = 0;
 356
 357 #ifdef NEW_LOGGING
 358                                 LDAP_LOG ( OPERATION, DETAIL1,
 359                                         "==>bdb_modrdn: parent dn=\"\" \n", 0, 0, 0 );
 360 #else
 361                                 Debug( LDAP_DEBUG_TRACE,
 362                                         "bdb_modrdn: parent dn=\"\"\n",
 363                                         0, 0, 0 );
 364 #endif
 365
 366                         } else {
 367 #ifdef NEW_LOGGING
 368                                 LDAP_LOG ( OPERATION, ERR,
 369                                         "==>bdb_modrdn: no parent, not root &\"\" is not "
 370                                         "suffix\n", 0, 0, 0 );
 371 #else
 372                                 Debug( LDAP_DEBUG_TRACE,
 373                                         "bdb_modrdn: no parent, not root "
 374                                         "& \"\" is not suffix\n",
 375                                         0, 0, 0);
 376 #endif
 377                                 rc = LDAP_INSUFFICIENT_ACCESS;
 378                                 goto return_results;
 379                         }
 380                 }
 381         }
 382
 383         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 384
 385         if ( newSuperior != NULL ) {
 386 #ifdef NEW_LOGGING
 387                 LDAP_LOG ( OPERATION, DETAIL1,
 388                         "==>bdb_modrdn: new parent \"%s\" requested...\n",
 389                         newSuperior->bv_val, 0, 0 );
 390 #else
 391                 Debug( LDAP_DEBUG_TRACE,
 392                         "bdb_modrdn: new parent \"%s\" requested...\n",
 393                         newSuperior->bv_val, 0, 0 );
 394 #endif
 395
 396                 /*  newSuperior == oldParent? */
 397                 if( dn_match( &p_ndn, nnewSuperior ) ) {
 398 #ifdef NEW_LOGGING
 399                         LDAP_LOG( BACK_LDBM, INFO, "bdb_back_modrdn: "
 400                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 401                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 402 #else
 403                         Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
 404                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 405                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 406 #endif
 407                         newSuperior = NULL; /* ignore newSuperior */
 408                 }
 409         }
 410         if ( newSuperior != NULL ) {
 411                 if ( newSuperior->bv_len ) {
 412                         np_dn = newSuperior;
 413                         np_ndn = nnewSuperior;
 414
 415                         /* newSuperior == oldParent?, if so ==> ERROR */
 416                         /* newSuperior == entry being moved?, if so ==> ERROR */
 417                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 418
 419                         rc = bdb_dn2entry_r( be,
 420                                 ltid, nnewSuperior, &np, NULL, 0, locker, &lock );
 421
 422                         switch( rc ) {
 423                         case 0:
 424                         case DB_NOTFOUND:
 425                                 break;
 426                         case DB_LOCK_DEADLOCK:
 427                         case DB_LOCK_NOTGRANTED:
 428                                 goto retry;
 429                         case LDAP_BUSY:
 430                                 text = "ldap server busy";
 431                                 goto return_results;
 432                         default:
 433                                 rc = LDAP_OTHER;
 434                                 text = "internal error";
 435                                 goto return_results;
 436                         }
 437
 438                         if( np == NULL) {
 439 #ifdef NEW_LOGGING
 440                                 LDAP_LOG ( OPERATION, DETAIL1,
 441                                         "==>bdb_modrdn: newSup(ndn=%s) not here!\n",
 442                                         np_ndn->bv_val, 0, 0 );
 443 #else
 444                                 Debug( LDAP_DEBUG_TRACE,
 445                                         "bdb_modrdn: newSup(ndn=%s) not here!\n",
 446                                         np_ndn->bv_val, 0, 0);
 447 #endif
 448                                 rc = LDAP_OTHER;
 449                                 goto return_results;
 450                         }
 451
 452 #ifdef NEW_LOGGING
 453                         LDAP_LOG ( OPERATION, DETAIL1,
 454                                 "==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 455                                 np, (long) np->e_id, 0 );
 456 #else
 457                         Debug( LDAP_DEBUG_TRACE,
 458                                 "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 459                                 np, (long) np->e_id, 0 );
 460 #endif
 461
 462                         /* check newSuperior for "children" acl */
 463                         if ( !access_allowed( be, conn, op, np, children, NULL, ACL_WRITE, NULL ) ) {
 464 #ifdef NEW_LOGGING
 465                                 LDAP_LOG ( OPERATION, DETAIL1,
 466                                         "==>bdb_modrdn: no wr to newSup children\n", 0, 0, 0 );
 467 #else
 468                                 Debug( LDAP_DEBUG_TRACE,
 469                                         "bdb_modrdn: no wr to newSup children\n",
 470                                         0, 0, 0 );
 471 #endif
 472                                 rc = LDAP_INSUFFICIENT_ACCESS;
 473                                 goto return_results;
 474                         }
 475
 476 #ifdef BDB_ALIASES
 477                         if ( is_entry_alias( np ) ) {
 478                                 /* parent is an alias, don't allow add */
 479 #ifdef NEW_LOGGING
 480                                 LDAP_LOG ( OPERATION, DETAIL1,
 481                                         "==>bdb_modrdn: entry is alias\n", 0, 0, 0 );
 482 #else
 483                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
 484                                         0, 0, 0 );
 485 #endif
 486
 487                                 rc = LDAP_ALIAS_PROBLEM;
 488                                 goto return_results;
 489                         }
 490 #endif
 491
 492                         if ( is_entry_referral( np ) ) {
 493                                 /* parent is a referral, don't allow add */
 494 #ifdef NEW_LOGGING
 495                                 LDAP_LOG ( OPERATION, DETAIL1,
 496                                         "==>bdb_modrdn: entry is referral\n", 0, 0, 0 );
 497 #else
 498                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
 499                                         0, 0, 0 );
 500 #endif
 501
 502                                 rc = LDAP_OTHER;
 503                                 goto return_results;
 504                         }
 505
 506                 } else {
 507                         if ( isroot == -1 ) {
 508                                 isroot = be_isroot( be, &op->o_ndn );
 509                         }
 510
 511                         np_dn = NULL;
 512
 513                         /* no parent, modrdn entry directly under root */
 514                         if ( ! isroot ) {
 515                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 516                                         || be_isupdate( be, &op->o_ndn ) ) {
 517                                         np = (Entry *)&slap_entry_root;
 518
 519                                         /* check parent for "children" acl */
 520                                         rc = access_allowed( be, conn, op, np,
 521                                                 children, NULL, ACL_WRITE, NULL );
 522
 523                                         np = NULL;
 524
 525                                         if ( ! rc )
 526                                         {
 527 #ifdef NEW_LOGGING
 528                                                 LDAP_LOG ( OPERATION, ERR,
 529                                                         "==>bdb_modrdn: no access to superior\n", 0, 0, 0 );
 530 #else
 531                                                 Debug( LDAP_DEBUG_TRACE,
 532                                                         "no access to new superior\n",
 533                                                         0, 0, 0 );
 534 #endif
 535                                                 send_ldap_result( conn, op,
 536                                                         LDAP_INSUFFICIENT_ACCESS,
 537                                                         NULL, NULL, NULL, NULL );
 538                                                 goto return_results;
 539                                         }
 540
 541 #ifdef NEW_LOGGING
 542                                         LDAP_LOG ( OPERATION, DETAIL1,
 543                                                 "bdb_modrdn: wr to children entry \"\" OK\n", 0, 0, 0 );
 544 #else
 545                                         Debug( LDAP_DEBUG_TRACE,
 546                                                 "bdb_modrdn: wr to children of entry \"\" OK\n",
 547                                                 0, 0, 0 );
 548 #endif
 549
 550                                 } else {
 551 #ifdef NEW_LOGGING
 552                                         LDAP_LOG ( OPERATION, ERR,
 553                                                 "bdb_modrdn: new superior=\"\", not root & \"\" "
 554                                                 "is not suffix\n", 0, 0, 0 );
 555 #else
 556                                         Debug( LDAP_DEBUG_TRACE,
 557                                                 "bdb_modrdn: new superior=\"\", not root "
 558                                                 "& \"\" is not suffix\n",
 559                                                 0, 0, 0);
 560 #endif
 561                                         rc = LDAP_INSUFFICIENT_ACCESS;
 562                                         goto return_results;
 563                                 }
 564                         }
 565
 566 #ifdef NEW_LOGGING
 567                         LDAP_LOG ( OPERATION, DETAIL1,
 568                                 "bdb_modrdn: new superior=\"\"\n", 0, 0, 0 );
 569 #else
 570                         Debug( LDAP_DEBUG_TRACE,
 571                                 "bdb_modrdn: new superior=\"\"\n",
 572                                 0, 0, 0 );
 573 #endif
 574                 }
 575
 576 #ifdef NEW_LOGGING
 577                 LDAP_LOG ( OPERATION, DETAIL1,
 578                         "bdb_modrdn: wr to new parent's children OK\n", 0, 0, 0 );
 579 #else
 580                 Debug( LDAP_DEBUG_TRACE,
 581                         "bdb_modrdn: wr to new parent's children OK\n",
 582                         0, 0, 0 );
 583 #endif
 584
 585                 new_parent_dn = np_dn;
 586         }
 587
 588         /* Build target dn and make sure target entry doesn't exist already. */
 589         build_new_dn( &new_dn, new_parent_dn, newrdn );
 590
 591         dnNormalize2( NULL, &new_dn, &new_ndn );
 592
 593 #ifdef NEW_LOGGING
 594         LDAP_LOG ( OPERATION, RESULTS,
 595                 "bdb_modrdn: new ndn=%s\n", new_ndn.bv_val, 0, 0 );
 596 #else
 597         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
 598                 new_ndn.bv_val, 0, 0 );
 599 #endif
 600
 601         rc = bdb_dn2id ( be, ltid, &new_ndn, &id, 0 );
 602         switch( rc ) {
 603         case DB_LOCK_DEADLOCK:
 604         case DB_LOCK_NOTGRANTED:
 605                 goto retry;
 606         case DB_NOTFOUND:
 607                 break;
 608         case 0:
 609                 rc = LDAP_ALREADY_EXISTS;
 610                 goto return_results;
 611         default:
 612                 rc = LDAP_OTHER;
 613                 text = "internal error";
 614                 goto return_results;
 615         }
 616
 617 #ifdef NEW_LOGGING
 618         LDAP_LOG ( OPERATION, ERR,
 619                 "bdb_modrdn: new ndn=%s does not exist\n", new_ndn.bv_val, 0, 0 );
 620 #else
 621         Debug( LDAP_DEBUG_TRACE,
 622                 "bdb_modrdn: new ndn=%s does not exist\n",
 623                 new_ndn.bv_val, 0, 0 );
 624 #endif
 625
 626         /* Get attribute type and attribute value of our new rdn, we will
 627          * need to add that to our new entry
 628          */
 629         if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
 630                 LDAP_DN_FORMAT_LDAP ) )
 631         {
 632 #ifdef NEW_LOGGING
 633                 LDAP_LOG ( OPERATION, ERR,
 634                         "bdb_modrdn: can't figure out "
 635                         "type(s)/values(s) of newrdn\n",
 636                         0, 0, 0 );
 637 #else
 638                 Debug( LDAP_DEBUG_TRACE,
 639                         "bdb_modrdn: can't figure out "
 640                         "type(s)/values(s) of newrdn\n",
 641                         0, 0, 0 );
 642 #endif
 643                 rc = LDAP_INVALID_DN_SYNTAX;
 644                 text = "unknown type(s) used in RDN";
 645                 goto return_results;
 646         }
 647
 648 #ifdef NEW_LOGGING
 649         LDAP_LOG ( OPERATION, RESULTS,
 650                 "bdb_modrdn: new_rdn_type=\"%s\", "
 651                 "new_rdn_val=\"%s\"\n",
 652                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 653                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 654 #else
 655         Debug( LDAP_DEBUG_TRACE,
 656                 "bdb_modrdn: new_rdn_type=\"%s\", "
 657                 "new_rdn_val=\"%s\"\n",
 658                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 659                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 660 #endif
 661
 662         if ( deleteoldrdn ) {
 663                 if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
 664                         LDAP_DN_FORMAT_LDAP ) )
 665                 {
 666 #ifdef NEW_LOGGING
 667                         LDAP_LOG ( OPERATION, ERR,
 668                                 "bdb_modrdn: can't figure out "
 669                                 "type(s)/values(s) of old_rdn\n",
 670                                 0, 0, 0 );
 671 #else
 672                         Debug( LDAP_DEBUG_TRACE,
 673                                 "bdb_modrdn: can't figure out "
 674                                 "the old_rdn type(s)/value(s)\n",
 675                                 0, 0, 0 );
 676 #endif
 677                         rc = LDAP_OTHER;
 678                         text = "cannot parse RDN from old DN";
 679                         goto return_results;
 680                 }
 681         }
 682
 683         /* prepare modlist of modifications from old/new rdn */
 684         rc = slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn,
 685                         deleteoldrdn, &mod );
 686         if ( rc != LDAP_SUCCESS ) {
 687                 goto return_results;
 688         }
 689
 690         /* delete old one */
 691         rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
 692         if ( rc != 0 ) {
 693                 switch( rc ) {
 694                 case DB_LOCK_DEADLOCK:
 695                 case DB_LOCK_NOTGRANTED:
 696                         goto retry;
 697                 }
 698                 rc = LDAP_OTHER;
 699                 text = "DN index delete fail";
 700                 goto return_results;
 701         }
 702
 703         (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
 704
 705         /* Binary format uses a single contiguous block, cannot
 706          * free individual fields. Leave new_dn/new_ndn set so
 707          * they can be individually freed later.
 708          */
 709         e->e_name = new_dn;
 710         e->e_nname = new_ndn;
 711
 712         new_dn.bv_val = NULL;
 713         new_ndn.bv_val = NULL;
 714
 715         /* add new one */
 716         rc = bdb_dn2id_add( be, ltid, np_ndn, e );
 717         if ( rc != 0 ) {
 718                 switch( rc ) {
 719                 case DB_LOCK_DEADLOCK:
 720                 case DB_LOCK_NOTGRANTED:
 721                         goto retry;
 722                 }
 723                 rc = LDAP_OTHER;
 724                 text = "DN index add failed";
 725                 goto return_results;
 726         }
 727
 728 #ifdef LDAP_CLIENT_UPDATE
 729         if ( rc == LDAP_SUCCESS && !op->o_noop ) {
 730                 LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
 731                         bdb_psearch(be, conn, op, ps_list, e, LCUP_PSEARCH_BY_PREMODIFY );
 732                 }
 733         }
 734 #endif /* LDAP_CLIENT_UPDATE */
 735
 736         /* modify entry */
 737         rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
 738                 &text, textbuf, textlen );
 739
 740         if( rc != LDAP_SUCCESS ) {
 741                 switch( rc ) {
 742                 case DB_LOCK_DEADLOCK:
 743                 case DB_LOCK_NOTGRANTED:
 744                         goto retry;
 745                 }
 746                 goto return_results;
 747         }
 748
 749         /* id2entry index */
 750         rc = bdb_id2entry_update( be, ltid, e );
 751         if ( rc != 0 ) {
 752                 switch( rc ) {
 753                 case DB_LOCK_DEADLOCK:
 754                 case DB_LOCK_NOTGRANTED:
 755                         goto retry;
 756                 }
 757                 rc = LDAP_OTHER;
 758                 text = "entry update failed";
 759                 goto return_results;
 760         }
 761
 762         if( op->o_noop ) {
 763                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 764                         text = "txn_abort (no-op) failed";
 765                 } else {
 766                         noop = 1;
 767                         rc = LDAP_SUCCESS;
 768                 }
 769
 770         } else {
 771                 char gid[DB_XIDDATASIZE];
 772
 773                 snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
 774                         bdb_uuid.bv_val, (long) op->o_connid, (long) op->o_opid );
 775
 776                 if(( rc=TXN_PREPARE( ltid, gid )) != 0 ) {
 777                         text = "txn_prepare failed";
 778                 } else {
 779                         if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
 780                                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 781                                         text ="cache update & txn_abort failed";
 782                                 } else {
 783                                         rc = LDAP_OTHER;
 784                                         text = "cache update failed";
 785                                 }
 786
 787                         } else {
 788                                 if(( rc=TXN_COMMIT( ltid, 0 )) != 0 ) {
 789                                         text = "txn_commit failed";
 790                                 } else {
 791                                         rc = LDAP_SUCCESS;
 792                                 }
 793                         }
 794                 }
 795         }
 796
 797         ltid = NULL;
 798         op->o_private = NULL;
 799
 800         if( rc == LDAP_SUCCESS ) {
 801 #ifdef NEW_LOGGING
 802                 LDAP_LOG ( OPERATION, RESULTS,
 803                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 804                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 805 #else
 806                 Debug(LDAP_DEBUG_TRACE,
 807                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 808                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 809 #endif
 810                 text = NULL;
 811                 if ( !noop ) {
 812                         bdb_cache_entry_commit( e );
 813                 }
 814
 815         } else {
 816 #ifdef NEW_LOGGING
 817                 LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n",
 818                         text, db_strerror(rc), rc );
 819 #else
 820                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 821                         text, db_strerror(rc), rc );
 822 #endif
 823                 rc = LDAP_OTHER;
 824         }
 825
 826 return_results:
 827         send_ldap_result( conn, op, rc,
 828                 NULL, text, NULL, NULL );
 829
 830 #ifdef LDAP_CLIENT_UPDATE
 831         if ( rc == LDAP_SUCCESS && !op->o_noop ) {
 832                 /* Loop through in-scope entries for each psearch spec */
 833                 LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
 834                         bdb_psearch( be, conn, op, ps_list, e, LCUP_PSEARCH_BY_MODIFY );
 835                 }
 836                 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
 837                 while ( pm_list != NULL ) {
 838                         bdb_psearch(be, conn, op, pm_list->ps->op,
 839                                                 e, LCUP_PSEARCH_BY_SCOPEOUT);
 840                         LDAP_LIST_REMOVE ( pm_list, link );
 841                         pm_prev = pm_list;
 842                         pm_list = LDAP_LIST_NEXT ( pm_list, link );
 843                         free (pm_prev);
 844                 }
 845         }
 846 #endif /* LDAP_CLIENT_UPDATE */
 847
 848         if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 849                 ldap_pvt_thread_yield();
 850                 TXN_CHECKPOINT( bdb->bi_dbenv,
 851                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 852         }
 853
 854 done:
 855         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 856         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 857
 858         /* LDAP v2 supporting correct attribute handling. */
 859         if ( new_rdn != NULL ) {
 860                 ldap_rdnfree( new_rdn );
 861         }
 862         if ( old_rdn != NULL ) {
 863                 ldap_rdnfree( old_rdn );
 864         }
 865         if( mod != NULL ) {
 866                 Modifications *tmp;
 867                 for (; mod; mod=tmp ) {
 868                         tmp = mod->sml_next;
 869                         free( mod );
 870                 }
 871         }
 872
 873         /* LDAP v3 Support */
 874         if( np != NULL ) {
 875                 /* free new parent and reader lock */
 876                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 877         }
 878
 879         if( p != NULL ) {
 880                 /* free parent and reader lock */
 881                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 882         }
 883
 884         /* free entry */
 885         if( e != NULL ) {
 886                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 887         }
 888
 889         if( ltid != NULL ) {
 890 #ifdef LDAP_CLIENT_UPDATE
 891                 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
 892                 while ( pm_list != NULL ) {
 893                         LDAP_LIST_REMOVE ( pm_list, link );
 894                         pm_prev = pm_list;
 895                         pm_list = LDAP_LIST_NEXT ( pm_list, link );
 896                         free (pm_prev);
 897                 }
 898 #endif
 899                 TXN_ABORT( ltid );
 900                 op->o_private = NULL;
 901         }
 902
 903         return ( ( rc == LDAP_SUCCESS ) ? noop : rc );
 904 }