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

   1 /* modrdn.c - bdb backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 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( Operation   *op, SlapReply *rs )
  18 {
  19         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  20         AttributeDescription *children = slap_schema.si_ad_children;
  21         AttributeDescription *entry = slap_schema.si_ad_entry;
  22         struct berval   p_dn, p_ndn;
  23         struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
  24         int             isroot = -1;
  25         Entry           *e = NULL;
  26         Entry           *p = NULL;
  27         EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
  28         /* LDAP v2 supporting correct attribute handling. */
  29         LDAPRDN         new_rdn = NULL;
  30         LDAPRDN         old_rdn = NULL;
  31         char textbuf[SLAP_TEXT_BUFLEN];
  32         size_t textlen = sizeof textbuf;
  33         DB_TXN          *ltid = NULL, *lt2;
  34         struct bdb_op_info opinfo;
  35         Entry dummy, *save;
  36
  37         ID                      id;
  38
  39         Entry           *np = NULL;                     /* newSuperior Entry */
  40         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  41         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  42         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  43
  44         /* Used to interface with bdb_modify_internal() */
  45         Modifications   *mod = NULL;            /* Used to delete old rdn */
  46
  47         int             manageDSAit = get_manageDSAit( op );
  48
  49         u_int32_t       locker = 0;
  50         DB_LOCK         lock, plock, nplock;
  51
  52         int             noop = 0;
  53
  54 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
  55         Operation *ps_list;
  56         struct psid_entry *pm_list, *pm_prev;
  57 #endif
  58
  59 #ifdef NEW_LOGGING
  60         LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n",
  61                 op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
  62                 op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
  63 #else
  64         Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
  65                 op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
  66                 op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
  67 #endif
  68
  69         if( 0 ) {
  70 retry:  /* transaction retry */
  71                 if (e != NULL) {
  72                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  73                         e = NULL;
  74                 }
  75                 if (p != NULL) {
  76                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  77                         p = NULL;
  78                 }
  79                 if (np != NULL) {
  80                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  81                         np = NULL;
  82                 }
  83 #ifdef NEW_LOGGING
  84                 LDAP_LOG ( OPERATION, DETAIL1, "==>bdb_modrdn: retrying...\n", 0, 0, 0);
  85 #else
  86                 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
  87 #endif
  88
  89 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
  90                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
  91                 while ( pm_list != NULL ) {
  92                         LDAP_LIST_REMOVE ( pm_list, ps_link );
  93                         pm_prev = pm_list;
  94                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
  95                         ch_free( pm_prev );
  96                 }
  97 #endif
  98
  99                 rs->sr_err = TXN_ABORT( ltid );
 100                 ltid = NULL;
 101                 op->o_private = NULL;
 102                 op->o_do_not_cache = opinfo.boi_acl_cache;
 103                 if( rs->sr_err != 0 ) {
 104                         rs->sr_err = LDAP_OTHER;
 105                         rs->sr_text = "internal error";
 106                         goto return_results;
 107                 }
 108                 ldap_pvt_thread_yield();
 109         }
 110
 111         /* begin transaction */
 112         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 113                 bdb->bi_db_opflags );
 114         rs->sr_text = NULL;
 115         if( rs->sr_err != 0 ) {
 116 #ifdef NEW_LOGGING
 117                 LDAP_LOG ( OPERATION, ERR,
 118                         "==>bdb_modrdn: txn_begin failed: %s (%d)\n",
 119                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 120 #else
 121                 Debug( LDAP_DEBUG_TRACE,
 122                         "bdb_delete: txn_begin failed: %s (%d)\n",
 123                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 124 #endif
 125                 rs->sr_err = LDAP_OTHER;
 126                 rs->sr_text = "internal error";
 127                 goto return_results;
 128         }
 129
 130         locker = TXN_ID ( ltid );
 131
 132         opinfo.boi_bdb = op->o_bd;
 133         opinfo.boi_txn = ltid;
 134         opinfo.boi_locker = locker;
 135         opinfo.boi_err = 0;
 136         opinfo.boi_acl_cache = op->o_do_not_cache;
 137         op->o_private = &opinfo;
 138
 139         /* get entry */
 140         rs->sr_err = bdb_dn2entry( op->o_bd, ltid, &op->o_req_ndn, &ei, 1,
 141                 locker, &lock, op->o_tmpmemctx );
 142
 143         switch( rs->sr_err ) {
 144         case 0:
 145         case DB_NOTFOUND:
 146                 break;
 147         case DB_LOCK_DEADLOCK:
 148         case DB_LOCK_NOTGRANTED:
 149                 goto retry;
 150         case LDAP_BUSY:
 151                 rs->sr_text = "ldap server busy";
 152                 goto return_results;
 153         default:
 154                 rs->sr_err = LDAP_OTHER;
 155                 rs->sr_text = "internal error";
 156                 goto return_results;
 157         }
 158
 159         e = ei->bei_e;
 160         if ( rs->sr_err == DB_NOTFOUND ) {
 161                 if( e != NULL ) {
 162                         rs->sr_matched = ch_strdup( e->e_dn );
 163                         rs->sr_ref = is_entry_referral( e )
 164                                 ? get_entry_referrals( op, e )
 165                                 : NULL;
 166                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
 167                         e = NULL;
 168
 169                 } else {
 170                         rs->sr_ref = referral_rewrite( default_referral,
 171                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 172                 }
 173
 174                 rs->sr_err = LDAP_REFERRAL;
 175                 send_ldap_result( op, rs );
 176
 177                 ber_bvarray_free( rs->sr_ref );
 178                 free( (char *)rs->sr_matched );
 179                 rs->sr_ref = NULL;
 180                 rs->sr_matched = NULL;
 181
 182                 goto done;
 183         }
 184
 185         /* check write on old entry */
 186         rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
 187
 188         if ( ! rs->sr_err ) {
 189                 switch( opinfo.boi_err ) {
 190                 case DB_LOCK_DEADLOCK:
 191                 case DB_LOCK_NOTGRANTED:
 192                         goto retry;
 193                 }
 194
 195 #ifdef NEW_LOGGING
 196                 LDAP_LOG ( OPERATION, ERR,
 197                         "==>bdb_modrdn: no access to entry\n", 0, 0, 0 );
 198 #else
 199                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 200                         0, 0 );
 201 #endif
 202                 rs->sr_text = "no write access to old entry";
 203                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 204                 goto return_results;
 205         }
 206
 207 #ifndef BDB_HIER
 208         rs->sr_err = bdb_dn2id_children( op, ltid, e );
 209         if ( rs->sr_err != DB_NOTFOUND ) {
 210                 switch( rs->sr_err ) {
 211                 case DB_LOCK_DEADLOCK:
 212                 case DB_LOCK_NOTGRANTED:
 213                         goto retry;
 214                 case 0:
 215 #ifdef NEW_LOGGING
 216                         LDAP_LOG ( OPERATION, DETAIL1,
 217                                 "<=- bdb_modrdn: non-leaf %s\n", op->o_req_dn.bv_val, 0, 0 );
 218 #else
 219                         Debug(LDAP_DEBUG_ARGS,
 220                                 "<=- bdb_modrdn: non-leaf %s\n",
 221                                 op->o_req_dn.bv_val, 0, 0);
 222 #endif
 223                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 224                         rs->sr_text = "subtree rename not supported";
 225                         break;
 226                 default:
 227 #ifdef NEW_LOGGING
 228                         LDAP_LOG ( OPERATION, ERR,
 229                                 "<=- bdb_modrdn: has_children failed %s (%d)\n",
 230                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 231 #else
 232                         Debug(LDAP_DEBUG_ARGS,
 233                                 "<=- bdb_modrdn: has_children failed: %s (%d)\n",
 234                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 235 #endif
 236                         rs->sr_err = LDAP_OTHER;
 237                         rs->sr_text = "internal error";
 238                 }
 239                 goto return_results;
 240         }
 241         ei->bei_state |= CACHE_ENTRY_NO_KIDS;
 242 #endif
 243         if (!manageDSAit && is_entry_referral( e ) ) {
 244                 /* parent is a referral, don't allow add */
 245                 rs->sr_ref = get_entry_referrals( op, e );
 246
 247 #ifdef NEW_LOGGING
 248                 LDAP_LOG ( OPERATION, DETAIL1,
 249                         "==>bdb_modrdn: entry %s is referral \n", e->e_dn, 0, 0 );
 250 #else
 251                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
 252                         e->e_dn, 0, 0 );
 253 #endif
 254
 255                 rs->sr_err = LDAP_REFERRAL,
 256                 rs->sr_matched = e->e_name.bv_val;
 257                 send_ldap_result( op, rs );
 258
 259                 ber_bvarray_free( rs->sr_ref );
 260                 rs->sr_ref = NULL;
 261                 rs->sr_matched = NULL;
 262                 goto done;
 263         }
 264
 265         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 266                 p_ndn = slap_empty_bv;
 267         } else {
 268                 dnParent( &e->e_nname, &p_ndn );
 269         }
 270         np_ndn = &p_ndn;
 271         if ( p_ndn.bv_len != 0 ) {
 272                 /* Make sure parent entry exist and we can write its
 273                  * children.
 274                  */
 275                 eip = ei->bei_parent;
 276                 rs->sr_err = bdb_cache_find_entry_id( op->o_bd, ltid,
 277                         eip->bei_id, &eip, 0, locker, &plock, op->o_tmpmemctx );
 278
 279                 switch( rs->sr_err ) {
 280                 case 0:
 281                 case DB_NOTFOUND:
 282                         break;
 283                 case DB_LOCK_DEADLOCK:
 284                 case DB_LOCK_NOTGRANTED:
 285                         goto retry;
 286                 case LDAP_BUSY:
 287                         rs->sr_text = "ldap server busy";
 288                         goto return_results;
 289                 default:
 290                         rs->sr_err = LDAP_OTHER;
 291                         rs->sr_text = "internal error";
 292                         goto return_results;
 293                 }
 294
 295                 p = eip->bei_e;
 296                 if( p == NULL) {
 297 #ifdef NEW_LOGGING
 298                         LDAP_LOG ( OPERATION, ERR,
 299                                 "==>bdb_modrdn: parent does not exist\n", 0, 0, 0 );
 300 #else
 301                         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
 302                                 0, 0, 0);
 303 #endif
 304                         rs->sr_err = LDAP_OTHER;
 305                         rs->sr_text = "old entry's parent does not exist";
 306                         goto return_results;
 307                 }
 308
 309                 /* check parent for "children" acl */
 310                 rs->sr_err = access_allowed( op, p,
 311                         children, NULL, ACL_WRITE, NULL );
 312
 313                 if ( ! rs->sr_err ) {
 314                         switch( opinfo.boi_err ) {
 315                         case DB_LOCK_DEADLOCK:
 316                         case DB_LOCK_NOTGRANTED:
 317                                 goto retry;
 318                         }
 319
 320                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 321 #ifdef NEW_LOGGING
 322                         LDAP_LOG ( OPERATION, ERR,
 323                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 324 #else
 325                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 326                                 0, 0 );
 327 #endif
 328                         rs->sr_text = "no write access to old parent's children";
 329                         goto return_results;
 330                 }
 331
 332 #ifdef NEW_LOGGING
 333                 LDAP_LOG ( OPERATION, DETAIL1,
 334                         "==>bdb_modrdn: wr to children %s is OK\n", p_ndn.bv_val, 0, 0 );
 335 #else
 336                 Debug( LDAP_DEBUG_TRACE,
 337                         "bdb_modrdn: wr to children of entry %s OK\n",
 338                         p_ndn.bv_val, 0, 0 );
 339 #endif
 340
 341                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 342                         p_dn = slap_empty_bv;
 343                 } else {
 344                         dnParent( &e->e_name, &p_dn );
 345                 }
 346
 347 #ifdef NEW_LOGGING
 348                 LDAP_LOG ( OPERATION, DETAIL1,
 349                         "==>bdb_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 350 #else
 351                 Debug( LDAP_DEBUG_TRACE,
 352                         "bdb_modrdn: parent dn=%s\n",
 353                         p_dn.bv_val, 0, 0 );
 354 #endif
 355
 356         } else {
 357                 /* no parent, modrdn entry directly under root */
 358                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 359                 if ( ! isroot ) {
 360                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 361                                 || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 362
 363                                 p = (Entry *)&slap_entry_root;
 364
 365                                 /* check parent for "children" acl */
 366                                 rs->sr_err = access_allowed( op, p,
 367                                         children, NULL, ACL_WRITE, NULL );
 368
 369                                 p = NULL;
 370
 371                                 if ( ! rs->sr_err ) {
 372                                         switch( opinfo.boi_err ) {
 373                                         case DB_LOCK_DEADLOCK:
 374                                         case DB_LOCK_NOTGRANTED:
 375                                                 goto retry;
 376                                         }
 377
 378                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 379 #ifdef NEW_LOGGING
 380                                         LDAP_LOG ( OPERATION, ERR,
 381                                                 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
 382 #else
 383                                         Debug( LDAP_DEBUG_TRACE,
 384                                                 "no access to parent\n",
 385                                                 0, 0, 0 );
 386 #endif
 387                                         rs->sr_text = "no write access to old parent";
 388                                         goto return_results;
 389                                 }
 390
 391 #ifdef NEW_LOGGING
 392                                 LDAP_LOG ( OPERATION, DETAIL1,
 393                                         "==>bdb_modrdn: wr to children of entry \"%s\" OK\n",
 394                                         p_dn.bv_val, 0, 0 );
 395 #else
 396                                 Debug( LDAP_DEBUG_TRACE,
 397                                         "bdb_modrdn: wr to children of entry \"\" OK\n",
 398                                         0, 0, 0 );
 399 #endif
 400
 401                                 p_dn.bv_val = "";
 402                                 p_dn.bv_len = 0;
 403
 404 #ifdef NEW_LOGGING
 405                                 LDAP_LOG ( OPERATION, DETAIL1,
 406                                         "==>bdb_modrdn: parent dn=\"\" \n", 0, 0, 0 );
 407 #else
 408                                 Debug( LDAP_DEBUG_TRACE,
 409                                         "bdb_modrdn: parent dn=\"\"\n",
 410                                         0, 0, 0 );
 411 #endif
 412
 413                         } else {
 414 #ifdef NEW_LOGGING
 415                                 LDAP_LOG ( OPERATION, ERR,
 416                                         "==>bdb_modrdn: no parent, not root &\"\" is not "
 417                                         "suffix\n", 0, 0, 0 );
 418 #else
 419                                 Debug( LDAP_DEBUG_TRACE,
 420                                         "bdb_modrdn: no parent, not root "
 421                                         "& \"\" is not suffix\n",
 422                                         0, 0, 0);
 423 #endif
 424                                 rs->sr_text = "no write access to old parent";
 425                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 426                                 goto return_results;
 427                         }
 428                 }
 429         }
 430
 431         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 432
 433         if ( op->oq_modrdn.rs_newSup != NULL ) {
 434 #ifdef NEW_LOGGING
 435                 LDAP_LOG ( OPERATION, DETAIL1,
 436                         "==>bdb_modrdn: new parent \"%s\" requested...\n",
 437                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 438 #else
 439                 Debug( LDAP_DEBUG_TRACE,
 440                         "bdb_modrdn: new parent \"%s\" requested...\n",
 441                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 442 #endif
 443
 444                 /*  newSuperior == oldParent? */
 445                 if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
 446 #ifdef NEW_LOGGING
 447                         LDAP_LOG( BACK_BDB, INFO, "bdb_back_modrdn: "
 448                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 449                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 450 #else
 451                         Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
 452                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 453                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 454 #endif
 455                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 456                 }
 457         }
 458
 459         if ( op->oq_modrdn.rs_newSup != NULL ) {
 460                 if ( op->oq_modrdn.rs_newSup->bv_len ) {
 461                         np_dn = op->oq_modrdn.rs_newSup;
 462                         np_ndn = op->oq_modrdn.rs_nnewSup;
 463
 464                         /* newSuperior == oldParent?, if so ==> ERROR */
 465                         /* newSuperior == entry being moved?, if so ==> ERROR */
 466                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 467
 468                         rs->sr_err = bdb_dn2entry( op->o_bd, ltid, np_ndn,
 469                                 &neip, 0, locker, &nplock, op->o_tmpmemctx );
 470
 471                         switch( rs->sr_err ) {
 472                         case 0: np = neip->bei_e;
 473                         case DB_NOTFOUND:
 474                                 break;
 475                         case DB_LOCK_DEADLOCK:
 476                         case DB_LOCK_NOTGRANTED:
 477                                 goto retry;
 478                         case LDAP_BUSY:
 479                                 rs->sr_text = "ldap server busy";
 480                                 goto return_results;
 481                         default:
 482                                 rs->sr_err = LDAP_OTHER;
 483                                 rs->sr_text = "internal error";
 484                                 goto return_results;
 485                         }
 486
 487                         if( np == NULL) {
 488 #ifdef NEW_LOGGING
 489                                 LDAP_LOG ( OPERATION, DETAIL1,
 490                                         "==>bdb_modrdn: newSup(ndn=%s) not here!\n",
 491                                         np_ndn->bv_val, 0, 0 );
 492 #else
 493                                 Debug( LDAP_DEBUG_TRACE,
 494                                         "bdb_modrdn: newSup(ndn=%s) not here!\n",
 495                                         np_ndn->bv_val, 0, 0);
 496 #endif
 497                                 rs->sr_text = "new superior not found";
 498                                 rs->sr_err = LDAP_OTHER;
 499                                 goto return_results;
 500                         }
 501
 502 #ifdef NEW_LOGGING
 503                         LDAP_LOG ( OPERATION, DETAIL1,
 504                                 "==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 505                                 np, (long) np->e_id, 0 );
 506 #else
 507                         Debug( LDAP_DEBUG_TRACE,
 508                                 "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 509                                 np, (long) np->e_id, 0 );
 510 #endif
 511
 512                         /* check newSuperior for "children" acl */
 513                         rs->sr_err = access_allowed( op, np, children,
 514                                 NULL, ACL_WRITE, NULL );
 515
 516                         if( ! rs->sr_err ) {
 517                                 switch( opinfo.boi_err ) {
 518                                 case DB_LOCK_DEADLOCK:
 519                                 case DB_LOCK_NOTGRANTED:
 520                                         goto retry;
 521                                 }
 522
 523 #ifdef NEW_LOGGING
 524                                 LDAP_LOG ( OPERATION, DETAIL1,
 525                                         "==>bdb_modrdn: no wr to newSup children\n", 0, 0, 0 );
 526 #else
 527                                 Debug( LDAP_DEBUG_TRACE,
 528                                         "bdb_modrdn: no wr to newSup children\n",
 529                                         0, 0, 0 );
 530 #endif
 531                                 rs->sr_text = "no write access to new superior's children";
 532                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 533                                 goto return_results;
 534                         }
 535
 536 #ifdef BDB_ALIASES
 537                         if ( is_entry_alias( np ) ) {
 538                                 /* parent is an alias, don't allow add */
 539 #ifdef NEW_LOGGING
 540                                 LDAP_LOG ( OPERATION, DETAIL1,
 541                                         "==>bdb_modrdn: entry is alias\n", 0, 0, 0 );
 542 #else
 543                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
 544                                         0, 0, 0 );
 545 #endif
 546                                 rs->sr_text = "new superior is an alias";
 547                                 rs->sr_err = LDAP_ALIAS_PROBLEM;
 548                                 goto return_results;
 549                         }
 550 #endif
 551
 552                         if ( is_entry_referral( np ) ) {
 553                                 /* parent is a referral, don't allow add */
 554 #ifdef NEW_LOGGING
 555                                 LDAP_LOG ( OPERATION, DETAIL1,
 556                                         "==>bdb_modrdn: entry is referral\n", 0, 0, 0 );
 557 #else
 558                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
 559                                         0, 0, 0 );
 560 #endif
 561                                 rs->sr_text = "new superior is a referral";
 562                                 rs->sr_err = LDAP_OTHER;
 563                                 goto return_results;
 564                         }
 565
 566                 } else {
 567                         if ( isroot == -1 ) {
 568                                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 569                         }
 570
 571                         np_dn = NULL;
 572
 573                         /* no parent, modrdn entry directly under root */
 574                         if ( ! isroot ) {
 575                                 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 576                                         || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 577                                         np = (Entry *)&slap_entry_root;
 578
 579                                         /* check parent for "children" acl */
 580                                         rs->sr_err = access_allowed( op, np,
 581                                                 children, NULL, ACL_WRITE, NULL );
 582
 583                                         np = NULL;
 584
 585                                         if ( ! rs->sr_err ) {
 586                                                 switch( opinfo.boi_err ) {
 587                                                 case DB_LOCK_DEADLOCK:
 588                                                 case DB_LOCK_NOTGRANTED:
 589                                                         goto retry;
 590                                                 }
 591
 592                                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 593 #ifdef NEW_LOGGING
 594                                                 LDAP_LOG ( OPERATION, ERR,
 595                                                         "==>bdb_modrdn: no access to superior\n", 0, 0, 0 );
 596 #else
 597                                                 Debug( LDAP_DEBUG_TRACE,
 598                                                         "no access to new superior\n",
 599                                                         0, 0, 0 );
 600 #endif
 601                                                 rs->sr_text = "no write access to new superior's children";
 602                                                 goto return_results;
 603                                         }
 604
 605 #ifdef NEW_LOGGING
 606                                         LDAP_LOG ( OPERATION, DETAIL1,
 607                                                 "bdb_modrdn: wr to children entry \"\" OK\n", 0, 0, 0 );
 608 #else
 609                                         Debug( LDAP_DEBUG_TRACE,
 610                                                 "bdb_modrdn: wr to children of entry \"\" OK\n",
 611                                                 0, 0, 0 );
 612 #endif
 613
 614                                 } else {
 615 #ifdef NEW_LOGGING
 616                                         LDAP_LOG ( OPERATION, ERR,
 617                                                 "bdb_modrdn: new superior=\"\", not root & \"\" "
 618                                                 "is not suffix\n", 0, 0, 0 );
 619 #else
 620                                         Debug( LDAP_DEBUG_TRACE,
 621                                                 "bdb_modrdn: new superior=\"\", not root "
 622                                                 "& \"\" is not suffix\n",
 623                                                 0, 0, 0);
 624 #endif
 625                                         rs->sr_text = "no write access to new superior's children";
 626                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 627                                         goto return_results;
 628                                 }
 629                         }
 630
 631 #ifdef NEW_LOGGING
 632                         LDAP_LOG ( OPERATION, DETAIL1,
 633                                 "bdb_modrdn: new superior=\"\"\n", 0, 0, 0 );
 634 #else
 635                         Debug( LDAP_DEBUG_TRACE,
 636                                 "bdb_modrdn: new superior=\"\"\n",
 637                                 0, 0, 0 );
 638 #endif
 639                 }
 640
 641 #ifdef NEW_LOGGING
 642                 LDAP_LOG ( OPERATION, DETAIL1,
 643                         "bdb_modrdn: wr to new parent's children OK\n", 0, 0, 0 );
 644 #else
 645                 Debug( LDAP_DEBUG_TRACE,
 646                         "bdb_modrdn: wr to new parent's children OK\n",
 647                         0, 0, 0 );
 648 #endif
 649
 650                 new_parent_dn = np_dn;
 651         }
 652
 653         /* Build target dn and make sure target entry doesn't exist already. */
 654         if (!new_dn.bv_val) build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn );
 655
 656         if (!new_ndn.bv_val) {
 657                 struct berval bv = {0, NULL};
 658                 dnNormalize2( NULL, &new_dn, &bv, op->o_tmpmemctx );
 659                 ber_dupbv( &new_ndn, &bv );
 660         }
 661
 662 #ifdef NEW_LOGGING
 663         LDAP_LOG ( OPERATION, RESULTS,
 664                 "bdb_modrdn: new ndn=%s\n", new_ndn.bv_val, 0, 0 );
 665 #else
 666         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
 667                 new_ndn.bv_val, 0, 0 );
 668 #endif
 669
 670         /* Shortcut the search */
 671         nei = neip ? neip : eip;
 672         rs->sr_err = bdb_cache_find_entry_ndn2id ( op->o_bd, ltid, &new_ndn,
 673                 &nei, locker, op->o_tmpmemctx );
 674         if ( nei ) bdb_cache_entryinfo_unlock( nei );
 675         switch( rs->sr_err ) {
 676         case DB_LOCK_DEADLOCK:
 677         case DB_LOCK_NOTGRANTED:
 678                 goto retry;
 679         case DB_NOTFOUND:
 680                 break;
 681         case 0:
 682                 rs->sr_err = LDAP_ALREADY_EXISTS;
 683                 goto return_results;
 684         default:
 685                 rs->sr_err = LDAP_OTHER;
 686                 rs->sr_text = "internal error";
 687                 goto return_results;
 688         }
 689
 690         /* Get attribute type and attribute value of our new rdn, we will
 691          * need to add that to our new entry
 692          */
 693         if ( !new_rdn && ldap_bv2rdn_x( &op->oq_modrdn.rs_newrdn, &new_rdn, (char **)&rs->sr_text,
 694                 LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
 695         {
 696 #ifdef NEW_LOGGING
 697                 LDAP_LOG ( OPERATION, ERR,
 698                         "bdb_modrdn: can't figure out "
 699                         "type(s)/values(s) of newrdn\n",
 700                         0, 0, 0 );
 701 #else
 702                 Debug( LDAP_DEBUG_TRACE,
 703                         "bdb_modrdn: can't figure out "
 704                         "type(s)/values(s) of newrdn\n",
 705                         0, 0, 0 );
 706 #endif
 707                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 708                 rs->sr_text = "unknown type(s) used in RDN";
 709                 goto return_results;
 710         }
 711
 712 #ifdef NEW_LOGGING
 713         LDAP_LOG ( OPERATION, RESULTS,
 714                 "bdb_modrdn: new_rdn_type=\"%s\", "
 715                 "new_rdn_val=\"%s\"\n",
 716                 new_rdn[ 0 ]->la_attr.bv_val,
 717                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 718 #else
 719         Debug( LDAP_DEBUG_TRACE,
 720                 "bdb_modrdn: new_rdn_type=\"%s\", "
 721                 "new_rdn_val=\"%s\"\n",
 722                 new_rdn[ 0 ]->la_attr.bv_val,
 723                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 724 #endif
 725
 726         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 727                 if ( !old_rdn && ldap_bv2rdn_x( &op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 728                         LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) )
 729                 {
 730 #ifdef NEW_LOGGING
 731                         LDAP_LOG ( OPERATION, ERR,
 732                                 "bdb_modrdn: can't figure out "
 733                                 "type(s)/values(s) of old_rdn\n",
 734                                 0, 0, 0 );
 735 #else
 736                         Debug( LDAP_DEBUG_TRACE,
 737                                 "bdb_modrdn: can't figure out "
 738                                 "the old_rdn type(s)/value(s)\n",
 739                                 0, 0, 0 );
 740 #endif
 741                         rs->sr_err = LDAP_OTHER;
 742                         rs->sr_text = "cannot parse RDN from old DN";
 743                         goto return_results;
 744                 }
 745         }
 746
 747         /* prepare modlist of modifications from old/new rdn */
 748         if (!mod) {
 749                 rs->sr_err = slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod );
 750                 if ( rs->sr_err != LDAP_SUCCESS ) {
 751                         goto return_results;
 752                 }
 753         }
 754
 755         /* nested transaction */
 756         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 757                 bdb->bi_db_opflags );
 758         rs->sr_text = NULL;
 759         if( rs->sr_err != 0 ) {
 760 #ifdef NEW_LOGGING
 761                 LDAP_LOG ( OPERATION, ERR,
 762                         "bdb_modrdn: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 763 #else
 764                 Debug( LDAP_DEBUG_TRACE,
 765                         "bdb_modrdn: txn_begin(2) failed: %s (%d)\n",
 766                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 767 #endif
 768                 rs->sr_err = LDAP_OTHER;
 769                 rs->sr_text = "internal error";
 770                 goto return_results;
 771         }
 772
 773         dummy = *e;
 774         save = e;
 775         e = &dummy;
 776
 777         /* delete old one */
 778         rs->sr_err = bdb_dn2id_delete( op->o_bd, lt2, p_ndn.bv_val, e );
 779         if ( rs->sr_err != 0 ) {
 780                 switch( rs->sr_err ) {
 781                 case DB_LOCK_DEADLOCK:
 782                 case DB_LOCK_NOTGRANTED:
 783                         goto retry;
 784                 }
 785                 rs->sr_err = LDAP_OTHER;
 786                 rs->sr_text = "DN index delete fail";
 787                 goto return_results;
 788         }
 789
 790         /* Binary format uses a single contiguous block, cannot
 791          * free individual fields. But if a previous modrdn has
 792          * already happened, must free the names. The frees are
 793          * done in bdb_cache_modrdn().
 794          */
 795 #ifdef BDB_HIER
 796         e->e_name.bv_val = ch_malloc(new_dn.bv_len + new_ndn.bv_len + 2);
 797         e->e_name.bv_len = new_dn.bv_len;
 798         e->e_nname.bv_val = e->e_name.bv_val + new_dn.bv_len + 1;
 799         e->e_nname.bv_len = new_ndn.bv_len;
 800         strcpy(e->e_name.bv_val, new_dn.bv_val);
 801         strcpy(e->e_nname.bv_val, new_ndn.bv_val);
 802 #else
 803         if( e->e_nname.bv_val < e->e_bv.bv_val || e->e_nname.bv_val >
 804                 e->e_bv.bv_val + e->e_bv.bv_len ) {
 805                 e->e_name.bv_val = NULL;
 806                 e->e_nname.bv_val = NULL;
 807         }
 808         e->e_name = new_dn;
 809         e->e_nname = new_ndn;
 810         new_dn.bv_val = NULL;
 811         new_ndn.bv_val = NULL;
 812 #endif
 813         /* add new one */
 814         rs->sr_err = bdb_dn2id_add( op->o_bd, lt2, np_ndn, e );
 815         if ( rs->sr_err != 0 ) {
 816                 switch( rs->sr_err ) {
 817                 case DB_LOCK_DEADLOCK:
 818                 case DB_LOCK_NOTGRANTED:
 819                         goto retry;
 820                 }
 821                 rs->sr_err = LDAP_OTHER;
 822                 rs->sr_text = "DN index add failed";
 823                 goto return_results;
 824         }
 825
 826 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
 827         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 828                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 829                         bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
 830                 }
 831         }
 832 #endif
 833
 834         /* modify entry */
 835         rs->sr_err = bdb_modify_internal( op, lt2, &mod[0], e,
 836                 &rs->sr_text, textbuf, textlen );
 837
 838         if( rs->sr_err != LDAP_SUCCESS ) {
 839                 if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
 840                         rs->sr_err = opinfo.boi_err;
 841                 }
 842                 switch( rs->sr_err ) {
 843                 case DB_LOCK_DEADLOCK:
 844                 case DB_LOCK_NOTGRANTED:
 845                         goto retry;
 846                 }
 847                 goto return_results;
 848         }
 849
 850         /* id2entry index */
 851         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, e );
 852         if ( rs->sr_err != 0 ) {
 853                 switch( rs->sr_err ) {
 854                 case DB_LOCK_DEADLOCK:
 855                 case DB_LOCK_NOTGRANTED:
 856                         goto retry;
 857                 }
 858                 rs->sr_err = LDAP_OTHER;
 859                 rs->sr_text = "entry update failed";
 860                 goto return_results;
 861         }
 862         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 863                 rs->sr_err = LDAP_OTHER;
 864                 rs->sr_text = "txn_commit(2) failed";
 865                 goto return_results;
 866         }
 867
 868         if( op->o_noop ) {
 869                 if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 870                         rs->sr_text = "txn_abort (no-op) failed";
 871                 } else {
 872                         noop = 1;
 873                         rs->sr_err = LDAP_SUCCESS;
 874                 }
 875
 876         } else {
 877                 char gid[DB_XIDDATASIZE];
 878
 879                 snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
 880                         bdb_uuid.bv_val, (long) op->o_connid, (long) op->o_opid );
 881
 882                 if(( rs->sr_err=TXN_PREPARE( ltid, gid )) != 0 ) {
 883                         rs->sr_text = "txn_prepare failed";
 884                 } else {
 885                         bdb_cache_modrdn( save, &op->orr_newrdn, e, neip,
 886                                 bdb->bi_dbenv, locker, &lock );
 887                         if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 888                                 rs->sr_text = "txn_commit failed";
 889                         } else {
 890                                 rs->sr_err = LDAP_SUCCESS;
 891                         }
 892                 }
 893         }
 894
 895         ltid = NULL;
 896         op->o_private = NULL;
 897
 898         if( rs->sr_err == LDAP_SUCCESS ) {
 899 #ifdef NEW_LOGGING
 900                 LDAP_LOG ( OPERATION, RESULTS,
 901                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 902                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 903 #else
 904                 Debug(LDAP_DEBUG_TRACE,
 905                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 906                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 907 #endif
 908                 rs->sr_text = NULL;
 909         } else {
 910 #ifdef NEW_LOGGING
 911                 LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n",
 912                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 913 #else
 914                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 915                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 916 #endif
 917                 rs->sr_err = LDAP_OTHER;
 918         }
 919
 920 return_results:
 921         send_ldap_result( op, rs );
 922
 923 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
 924         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 925                 /* Loop through in-scope entries for each psearch spec */
 926                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 927                         bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 928                 }
 929                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 930                 while ( pm_list != NULL ) {
 931                         bdb_psearch(op, rs, pm_list->ps_op,
 932                                                 e, LDAP_PSEARCH_BY_SCOPEOUT);
 933                         pm_prev = pm_list;
 934                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 935                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 936                         ch_free( pm_prev );
 937                 }
 938         }
 939 #endif
 940
 941         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 942                 ldap_pvt_thread_yield();
 943                 TXN_CHECKPOINT( bdb->bi_dbenv,
 944                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 945         }
 946
 947 done:
 948         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 949         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 950
 951         /* LDAP v2 supporting correct attribute handling. */
 952         if ( new_rdn != NULL ) {
 953                 ldap_rdnfree_x( new_rdn, op->o_tmpmemctx );
 954         }
 955         if ( old_rdn != NULL ) {
 956                 ldap_rdnfree_x( old_rdn, op->o_tmpmemctx );
 957         }
 958         if( mod != NULL ) {
 959                 Modifications *tmp;
 960                 for (; mod; mod=tmp ) {
 961                         tmp = mod->sml_next;
 962                         if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
 963                         free( mod );
 964                 }
 965         }
 966
 967         /* LDAP v3 Support */
 968         if( np != NULL ) {
 969                 /* free new parent and reader lock */
 970                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 971         }
 972
 973         if( p != NULL ) {
 974                 /* free parent and reader lock */
 975                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 976         }
 977
 978         /* free entry */
 979         if( e != NULL ) {
 980                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 981         }
 982
 983         if( ltid != NULL ) {
 984 #if defined(LDAP_CLIENT_UPDATE) || defined(LDAP_SYNC)
 985                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 986                 while ( pm_list != NULL ) {
 987                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 988                         pm_prev = pm_list;
 989                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 990                         ch_free( pm_prev );
 991                 }
 992 #endif
 993                 TXN_ABORT( ltid );
 994                 op->o_private = NULL;
 995         }
 996
 997         return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );
 998 }