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

   1 /* modrdn.c - bdb backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2006 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-bdb.h"
  23
  24 int
  25 bdb_modrdn( Operation   *op, SlapReply *rs )
  26 {
  27         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  28         AttributeDescription *children = slap_schema.si_ad_children;
  29         AttributeDescription *entry = slap_schema.si_ad_entry;
  30         struct berval   p_dn, p_ndn;
  31         struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
  32         Entry           *e = NULL;
  33         Entry           *p = NULL;
  34         EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
  35         /* LDAP v2 supporting correct attribute handling. */
  36         char textbuf[SLAP_TEXT_BUFLEN];
  37         size_t textlen = sizeof textbuf;
  38         DB_TXN          *ltid = NULL, *lt2;
  39         struct bdb_op_info opinfo = {0};
  40         Entry dummy = {0};
  41
  42         Entry           *np = NULL;                     /* newSuperior Entry */
  43         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  44         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  45         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  46
  47         int             manageDSAit = get_manageDSAit( op );
  48
  49         u_int32_t       locker = 0;
  50         DB_LOCK         lock, plock, nplock;
  51
  52         int             num_retries = 0;
  53
  54         LDAPControl **preread_ctrl = NULL;
  55         LDAPControl **postread_ctrl = NULL;
  56         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  57         int num_ctrls = 0;
  58
  59         int     rc;
  60
  61         int parent_is_glue = 0;
  62         int parent_is_leaf = 0;
  63
  64         ctrls[num_ctrls] = NULL;
  65
  66         Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
  67                 op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
  68                 op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );
  69
  70         slap_mods_opattrs( op, &op->orr_modlist, 1 );
  71
  72         if( 0 ) {
  73 retry:  /* transaction retry */
  74                 if ( dummy.e_attrs ) {
  75                         attrs_free( dummy.e_attrs );
  76                         dummy.e_attrs = NULL;
  77                 }
  78                 if (e != NULL) {
  79                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  80                         e = NULL;
  81                 }
  82                 if (p != NULL) {
  83                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  84                         p = NULL;
  85                 }
  86                 if (np != NULL) {
  87                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
  88                         np = NULL;
  89                 }
  90                 Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn)
  91                                 ": retrying...\n", 0, 0, 0 );
  92
  93                 rs->sr_err = TXN_ABORT( ltid );
  94                 ltid = NULL;
  95                 op->o_private = NULL;
  96                 op->o_do_not_cache = opinfo.boi_acl_cache;
  97                 if( rs->sr_err != 0 ) {
  98                         rs->sr_err = LDAP_OTHER;
  99                         rs->sr_text = "internal error";
 100                         goto return_results;
 101                 }
 102                 if ( op->o_abandon ) {
 103                         rs->sr_err = SLAPD_ABANDON;
 104                         goto return_results;
 105                 }
 106                 parent_is_glue = 0;
 107                 parent_is_leaf = 0;
 108                 bdb_trans_backoff( ++num_retries );
 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                 Debug( LDAP_DEBUG_TRACE,
 117                         LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: "
 118                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 119                 rs->sr_err = LDAP_OTHER;
 120                 rs->sr_text = "internal error";
 121                 goto return_results;
 122         }
 123
 124         locker = TXN_ID ( ltid );
 125
 126         opinfo.boi_bdb = op->o_bd;
 127         opinfo.boi_txn = ltid;
 128         opinfo.boi_locker = locker;
 129         opinfo.boi_err = 0;
 130         opinfo.boi_acl_cache = op->o_do_not_cache;
 131         op->o_private = &opinfo;
 132
 133         /* get entry */
 134         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 135                 locker, &lock );
 136
 137         switch( rs->sr_err ) {
 138         case 0:
 139         case DB_NOTFOUND:
 140                 break;
 141         case DB_LOCK_DEADLOCK:
 142         case DB_LOCK_NOTGRANTED:
 143                 goto retry;
 144         case LDAP_BUSY:
 145                 rs->sr_text = "ldap server busy";
 146                 goto return_results;
 147         default:
 148                 rs->sr_err = LDAP_OTHER;
 149                 rs->sr_text = "internal error";
 150                 goto return_results;
 151         }
 152
 153         e = ei->bei_e;
 154         /* FIXME: dn2entry() should return non-glue entry */
 155         if (( rs->sr_err == DB_NOTFOUND ) ||
 156                 ( !manageDSAit && e && is_entry_glue( e )))
 157         {
 158                 if( e != NULL ) {
 159                         rs->sr_matched = ch_strdup( e->e_dn );
 160                         rs->sr_ref = is_entry_referral( e )
 161                                 ? get_entry_referrals( op, e )
 162                                 : NULL;
 163                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
 164                         e = NULL;
 165
 166                 } else {
 167                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 168                                         &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 169                 }
 170
 171                 rs->sr_err = LDAP_REFERRAL;
 172                 send_ldap_result( op, rs );
 173
 174                 ber_bvarray_free( rs->sr_ref );
 175                 free( (char *)rs->sr_matched );
 176                 rs->sr_ref = NULL;
 177                 rs->sr_matched = NULL;
 178
 179                 goto done;
 180         }
 181
 182         if ( get_assert( op ) &&
 183                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 184         {
 185                 rs->sr_err = LDAP_ASSERTION_FAILED;
 186                 goto return_results;
 187         }
 188
 189         /* check write on old entry */
 190         rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
 191         if ( ! rs->sr_err ) {
 192                 switch( opinfo.boi_err ) {
 193                 case DB_LOCK_DEADLOCK:
 194                 case DB_LOCK_NOTGRANTED:
 195                         goto retry;
 196                 }
 197
 198                 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
 199                         0, 0 );
 200                 rs->sr_text = "no write access to old entry";
 201                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 202                 goto return_results;
 203         }
 204
 205 #ifndef BDB_HIER
 206         rs->sr_err = bdb_cache_children( op, ltid, e );
 207         if ( rs->sr_err != DB_NOTFOUND ) {
 208                 switch( rs->sr_err ) {
 209                 case DB_LOCK_DEADLOCK:
 210                 case DB_LOCK_NOTGRANTED:
 211                         goto retry;
 212                 case 0:
 213                         Debug(LDAP_DEBUG_ARGS,
 214                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 215                                 ": non-leaf %s\n",
 216                                 op->o_req_dn.bv_val, 0, 0);
 217                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 218                         rs->sr_text = "subtree rename not supported";
 219                         break;
 220                 default:
 221                         Debug(LDAP_DEBUG_ARGS,
 222                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 223                                 ": has_children failed: %s (%d)\n",
 224                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 225                         rs->sr_err = LDAP_OTHER;
 226                         rs->sr_text = "internal error";
 227                 }
 228                 goto return_results;
 229         }
 230         ei->bei_state |= CACHE_ENTRY_NO_KIDS;
 231 #endif
 232
 233         if (!manageDSAit && is_entry_referral( e ) ) {
 234                 /* parent is a referral, don't allow add */
 235                 rs->sr_ref = get_entry_referrals( op, e );
 236
 237                 Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 238                         ": entry %s is referral\n", e->e_dn, 0, 0 );
 239
 240                 rs->sr_err = LDAP_REFERRAL,
 241                 rs->sr_matched = e->e_name.bv_val;
 242                 send_ldap_result( op, rs );
 243
 244                 ber_bvarray_free( rs->sr_ref );
 245                 rs->sr_ref = NULL;
 246                 rs->sr_matched = NULL;
 247                 goto done;
 248         }
 249
 250         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 251 #ifdef BDB_MULTIPLE_SUFFIXES
 252                 /* Allow renaming one suffix entry to another */
 253                 p_ndn = slap_empty_bv;
 254 #else
 255                 /* There can only be one suffix entry */
 256                 rs->sr_err = LDAP_NAMING_VIOLATION;
 257                 rs->sr_text = "cannot rename suffix entry";
 258                 goto return_results;
 259 #endif
 260         } else {
 261                 dnParent( &e->e_nname, &p_ndn );
 262         }
 263         np_ndn = &p_ndn;
 264         if ( p_ndn.bv_len != 0 ) {
 265                 /* Make sure parent entry exist and we can write its
 266                  * children.
 267                  */
 268                 eip = ei->bei_parent;
 269                 rs->sr_err = bdb_cache_find_id( op, ltid,
 270                         eip->bei_id, &eip, 0, locker, &plock );
 271
 272                 switch( rs->sr_err ) {
 273                 case 0:
 274                 case DB_NOTFOUND:
 275                         break;
 276                 case DB_LOCK_DEADLOCK:
 277                 case DB_LOCK_NOTGRANTED:
 278                         goto retry;
 279                 case LDAP_BUSY:
 280                         rs->sr_text = "ldap server busy";
 281                         goto return_results;
 282                 default:
 283                         rs->sr_err = LDAP_OTHER;
 284                         rs->sr_text = "internal error";
 285                         goto return_results;
 286                 }
 287
 288                 p = eip->bei_e;
 289                 if( p == NULL) {
 290                         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
 291                                 ": parent does not exist\n", 0, 0, 0);
 292                         rs->sr_err = LDAP_OTHER;
 293                         rs->sr_text = "old entry's parent does not exist";
 294                         goto return_results;
 295                 }
 296         } else {
 297                 p = (Entry *)&slap_entry_root;
 298         }
 299
 300         /* check parent for "children" acl */
 301         rs->sr_err = access_allowed( op, p,
 302                 children, NULL,
 303                 op->oq_modrdn.rs_newSup == NULL ?
 304                         ACL_WRITE : ACL_WDEL,
 305                 NULL );
 306
 307         if ( !p_ndn.bv_len )
 308                 p = NULL;
 309
 310         if ( ! rs->sr_err ) {
 311                 switch( opinfo.boi_err ) {
 312                 case DB_LOCK_DEADLOCK:
 313                 case DB_LOCK_NOTGRANTED:
 314                         goto retry;
 315                 }
 316
 317                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 318                 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 319                         0, 0 );
 320                 rs->sr_text = "no write access to old parent's children";
 321                 goto return_results;
 322         }
 323
 324         Debug( LDAP_DEBUG_TRACE,
 325                 LDAP_XSTRING(bdb_modrdn) ": wr to children "
 326                 "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
 327
 328         if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 329                 p_dn = slap_empty_bv;
 330         } else {
 331                 dnParent( &e->e_name, &p_dn );
 332         }
 333
 334         Debug( LDAP_DEBUG_TRACE,
 335                 LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
 336                 p_dn.bv_val, 0, 0 );
 337
 338         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 339
 340         if ( op->oq_modrdn.rs_newSup != NULL ) {
 341                 Debug( LDAP_DEBUG_TRACE,
 342                         LDAP_XSTRING(bdb_modrdn)
 343                         ": new parent \"%s\" requested...\n",
 344                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 345
 346                 /*  newSuperior == oldParent? */
 347                 if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
 348                         Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
 349                                 "new parent \"%s\" same as the old parent \"%s\"\n",
 350                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 351                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 352                 }
 353         }
 354
 355         /* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't
 356          * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net.
 357          * We do not allow modDN
 358          *   dc=foo,dc=com
 359          *    newrdn dc=bar
 360          *    newsup dc=net
 361          * and we probably should. But since MULTIPLE_SUFFIXES is deprecated
 362          * I'm ignoring this problem for now.
 363          */
 364         if ( op->oq_modrdn.rs_newSup != NULL ) {
 365                 if ( op->oq_modrdn.rs_newSup->bv_len ) {
 366                         np_dn = op->oq_modrdn.rs_newSup;
 367                         np_ndn = op->oq_modrdn.rs_nnewSup;
 368
 369                         /* newSuperior == oldParent? - checked above */
 370                         /* newSuperior == entry being moved?, if so ==> ERROR */
 371                         if ( dnIsSuffix( np_ndn, &e->e_nname )) {
 372                                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 373                                 rs->sr_text = "new superior not found";
 374                                 goto return_results;
 375                         }
 376                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 377
 378                         rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
 379                                 &neip, 0, locker, &nplock );
 380
 381                         switch( rs->sr_err ) {
 382                         case 0: np = neip->bei_e;
 383                         case DB_NOTFOUND:
 384                                 break;
 385                         case DB_LOCK_DEADLOCK:
 386                         case DB_LOCK_NOTGRANTED:
 387                                 goto retry;
 388                         case LDAP_BUSY:
 389                                 rs->sr_text = "ldap server busy";
 390                                 goto return_results;
 391                         default:
 392                                 rs->sr_err = LDAP_OTHER;
 393                                 rs->sr_text = "internal error";
 394                                 goto return_results;
 395                         }
 396
 397                         if( np == NULL) {
 398                                 Debug( LDAP_DEBUG_TRACE,
 399                                         LDAP_XSTRING(bdb_modrdn)
 400                                         ": newSup(ndn=%s) not here!\n",
 401                                         np_ndn->bv_val, 0, 0);
 402                                 rs->sr_text = "new superior not found";
 403                                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 404                                 goto return_results;
 405                         }
 406
 407                         Debug( LDAP_DEBUG_TRACE,
 408                                 LDAP_XSTRING(bdb_modrdn)
 409                                 ": wr to new parent OK np=%p, id=%ld\n",
 410                                 (void *) np, (long) np->e_id, 0 );
 411
 412                         /* check newSuperior for "children" acl */
 413                         rs->sr_err = access_allowed( op, np, children,
 414                                 NULL, ACL_WADD, NULL );
 415
 416                         if( ! rs->sr_err ) {
 417                                 switch( opinfo.boi_err ) {
 418                                 case DB_LOCK_DEADLOCK:
 419                                 case DB_LOCK_NOTGRANTED:
 420                                         goto retry;
 421                                 }
 422
 423                                 Debug( LDAP_DEBUG_TRACE,
 424                                         LDAP_XSTRING(bdb_modrdn)
 425                                         ": no wr to newSup children\n",
 426                                         0, 0, 0 );
 427                                 rs->sr_text = "no write access to new superior's children";
 428                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 429                                 goto return_results;
 430                         }
 431
 432                         if ( is_entry_alias( np ) ) {
 433                                 /* parent is an alias, don't allow add */
 434                                 Debug( LDAP_DEBUG_TRACE,
 435                                         LDAP_XSTRING(bdb_modrdn)
 436                                         ": entry is alias\n",
 437                                         0, 0, 0 );
 438                                 rs->sr_text = "new superior is an alias";
 439                                 rs->sr_err = LDAP_ALIAS_PROBLEM;
 440                                 goto return_results;
 441                         }
 442
 443                         if ( is_entry_referral( np ) ) {
 444                                 /* parent is a referral, don't allow add */
 445                                 Debug( LDAP_DEBUG_TRACE,
 446                                         LDAP_XSTRING(bdb_modrdn)
 447                                         ": entry is referral\n",
 448                                         0, 0, 0 );
 449                                 rs->sr_text = "new superior is a referral";
 450                                 rs->sr_err = LDAP_OTHER;
 451                                 goto return_results;
 452                         }
 453
 454                 } else {
 455                         np_dn = NULL;
 456
 457                         /* no parent, modrdn entry directly under root */
 458                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 459                                 || be_isupdate( op ) ) {
 460                                 np = (Entry *)&slap_entry_root;
 461
 462                                 /* check parent for "children" acl */
 463                                 rs->sr_err = access_allowed( op, np,
 464                                         children, NULL, ACL_WADD, NULL );
 465
 466                                 np = NULL;
 467
 468                                 if ( ! rs->sr_err ) {
 469                                         switch( opinfo.boi_err ) {
 470                                         case DB_LOCK_DEADLOCK:
 471                                         case DB_LOCK_NOTGRANTED:
 472                                                 goto retry;
 473                                         }
 474
 475                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 476                                         Debug( LDAP_DEBUG_TRACE,
 477                                                 "no access to new superior\n",
 478                                                 0, 0, 0 );
 479                                         rs->sr_text =
 480                                                 "no write access to new superior's children";
 481                                         goto return_results;
 482                                 }
 483                         }
 484                 }
 485
 486                 Debug( LDAP_DEBUG_TRACE,
 487                         LDAP_XSTRING(bdb_modrdn)
 488                         ": wr to new parent's children OK\n",
 489                         0, 0, 0 );
 490
 491                 new_parent_dn = np_dn;
 492         }
 493
 494         /* Build target dn and make sure target entry doesn't exist already. */
 495         if (!new_dn.bv_val) {
 496                 build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL );
 497         }
 498
 499         if (!new_ndn.bv_val) {
 500                 struct berval bv = {0, NULL};
 501                 dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
 502                 ber_dupbv( &new_ndn, &bv );
 503         }
 504
 505         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n",
 506                 new_ndn.bv_val, 0, 0 );
 507
 508         /* Shortcut the search */
 509         nei = neip ? neip : eip;
 510         rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei );
 511         if ( nei ) bdb_cache_entryinfo_unlock( nei );
 512         switch( rs->sr_err ) {
 513         case DB_LOCK_DEADLOCK:
 514         case DB_LOCK_NOTGRANTED:
 515                 goto retry;
 516         case DB_NOTFOUND:
 517                 break;
 518         case 0:
 519                 rs->sr_err = LDAP_ALREADY_EXISTS;
 520                 goto return_results;
 521         default:
 522                 rs->sr_err = LDAP_OTHER;
 523                 rs->sr_text = "internal error";
 524                 goto return_results;
 525         }
 526
 527         assert( op->orr_modlist != NULL );
 528
 529         if( op->o_preread ) {
 530                 if( preread_ctrl == NULL ) {
 531                         preread_ctrl = &ctrls[num_ctrls++];
 532                         ctrls[num_ctrls] = NULL;
 533                 }
 534                 if( slap_read_controls( op, rs, e,
 535                         &slap_pre_read_bv, preread_ctrl ) )
 536                 {
 537                         Debug( LDAP_DEBUG_TRACE,
 538                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 539                                 ": post-read failed!\n", 0, 0, 0 );
 540                         goto return_results;
 541                 }
 542         }
 543
 544         /* nested transaction */
 545         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 546         rs->sr_text = NULL;
 547         if( rs->sr_err != 0 ) {
 548                 Debug( LDAP_DEBUG_TRACE,
 549                         LDAP_XSTRING(bdb_modrdn)
 550                         ": txn_begin(2) failed: %s (%d)\n",
 551                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 552                 rs->sr_err = LDAP_OTHER;
 553                 rs->sr_text = "internal error";
 554                 goto return_results;
 555         }
 556
 557         /* delete old DN */
 558         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 559         if ( rs->sr_err != 0 ) {
 560                 Debug(LDAP_DEBUG_TRACE,
 561                         "<=- " LDAP_XSTRING(bdb_modrdn)
 562                         ": dn2id del failed: %s (%d)\n",
 563                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 564                 switch( rs->sr_err ) {
 565                 case DB_LOCK_DEADLOCK:
 566                 case DB_LOCK_NOTGRANTED:
 567                         goto retry;
 568                 }
 569                 rs->sr_err = LDAP_OTHER;
 570                 rs->sr_text = "DN index delete fail";
 571                 goto return_results;
 572         }
 573
 574         /* copy the entry, then override some fields */
 575         dummy = *e;
 576         dummy.e_name = new_dn;
 577         dummy.e_nname = new_ndn;
 578         dummy.e_attrs = NULL;
 579
 580         /* add new DN */
 581         rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy );
 582         if ( rs->sr_err != 0 ) {
 583                 Debug(LDAP_DEBUG_TRACE,
 584                         "<=- " LDAP_XSTRING(bdb_modrdn)
 585                         ": dn2id add failed: %s (%d)\n",
 586                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 587                 switch( rs->sr_err ) {
 588                 case DB_LOCK_DEADLOCK:
 589                 case DB_LOCK_NOTGRANTED:
 590                         goto retry;
 591                 }
 592                 rs->sr_err = LDAP_OTHER;
 593                 rs->sr_text = "DN index add failed";
 594                 goto return_results;
 595         }
 596
 597         dummy.e_attrs = e->e_attrs;
 598
 599         /* modify entry */
 600         rs->sr_err = bdb_modify_internal( op, lt2, op->orr_modlist, &dummy,
 601                 &rs->sr_text, textbuf, textlen );
 602         if( rs->sr_err != LDAP_SUCCESS ) {
 603                 Debug(LDAP_DEBUG_TRACE,
 604                         "<=- " LDAP_XSTRING(bdb_modrdn)
 605                         ": modify failed: %s (%d)\n",
 606                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 607                 if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
 608                         rs->sr_err = opinfo.boi_err;
 609                 }
 610                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 611                 switch( rs->sr_err ) {
 612                 case DB_LOCK_DEADLOCK:
 613                 case DB_LOCK_NOTGRANTED:
 614                         goto retry;
 615                 }
 616                 goto return_results;
 617         }
 618
 619         /* id2entry index */
 620         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 621         if ( rs->sr_err != 0 ) {
 622                 Debug(LDAP_DEBUG_TRACE,
 623                         "<=- " LDAP_XSTRING(bdb_modrdn)
 624                         ": id2entry failed: %s (%d)\n",
 625                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 626                 switch( rs->sr_err ) {
 627                 case DB_LOCK_DEADLOCK:
 628                 case DB_LOCK_NOTGRANTED:
 629                         goto retry;
 630                 }
 631                 rs->sr_err = LDAP_OTHER;
 632                 rs->sr_text = "entry update failed";
 633                 goto return_results;
 634         }
 635
 636         if ( p_ndn.bv_len != 0 ) {
 637                 parent_is_glue = is_entry_glue(p);
 638                 rs->sr_err = bdb_cache_children( op, lt2, p );
 639                 if ( rs->sr_err != DB_NOTFOUND ) {
 640                         switch( rs->sr_err ) {
 641                         case DB_LOCK_DEADLOCK:
 642                         case DB_LOCK_NOTGRANTED:
 643                                 goto retry;
 644                         case 0:
 645                                 break;
 646                         default:
 647                                 Debug(LDAP_DEBUG_ARGS,
 648                                         "<=- " LDAP_XSTRING(bdb_modrdn)
 649                                         ": has_children failed: %s (%d)\n",
 650                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 651                                 rs->sr_err = LDAP_OTHER;
 652                                 rs->sr_text = "internal error";
 653                                 goto return_results;
 654                         }
 655                         parent_is_leaf = 1;
 656                 }
 657                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 658                 p = NULL;
 659         }
 660
 661         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 662                 rs->sr_err = LDAP_OTHER;
 663                 rs->sr_text = "txn_commit(2) failed";
 664                 goto return_results;
 665         }
 666
 667         if( op->o_postread ) {
 668                 if( postread_ctrl == NULL ) {
 669                         postread_ctrl = &ctrls[num_ctrls++];
 670                         ctrls[num_ctrls] = NULL;
 671                 }
 672                 if( slap_read_controls( op, rs, &dummy,
 673                         &slap_post_read_bv, postread_ctrl ) )
 674                 {
 675                         Debug( LDAP_DEBUG_TRACE,
 676                                 "<=- " LDAP_XSTRING(bdb_modrdn)
 677                                 ": post-read failed!\n", 0, 0, 0 );
 678                         goto return_results;
 679                 }
 680         }
 681
 682         if( op->o_noop ) {
 683                 if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 684                         rs->sr_text = "txn_abort (no-op) failed";
 685                 } else {
 686                         rs->sr_err = LDAP_X_NO_OPERATION;
 687                         ltid = NULL;
 688                         goto return_results;
 689                 }
 690
 691         } else {
 692                 rc = bdb_cache_modrdn( bdb, e, &op->orr_nnewrdn, &dummy, neip,
 693                         locker, &lock );
 694                 switch( rc ) {
 695                 case DB_LOCK_DEADLOCK:
 696                 case DB_LOCK_NOTGRANTED:
 697                         goto retry;
 698                 }
 699                 dummy.e_attrs = NULL;
 700                 new_dn.bv_val = NULL;
 701                 new_ndn.bv_val = NULL;
 702
 703                 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 704                         rs->sr_text = "txn_commit failed";
 705                 } else {
 706                         rs->sr_err = LDAP_SUCCESS;
 707                 }
 708         }
 709
 710         ltid = NULL;
 711         op->o_private = NULL;
 712
 713         if( rs->sr_err != LDAP_SUCCESS ) {
 714                 Debug( LDAP_DEBUG_TRACE,
 715                         LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n",
 716                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 717                 rs->sr_err = LDAP_OTHER;
 718
 719                 goto return_results;
 720         }
 721
 722         Debug(LDAP_DEBUG_TRACE,
 723                 LDAP_XSTRING(bdb_modrdn)
 724                 ": rdn modified%s id=%08lx dn=\"%s\"\n",
 725                 op->o_noop ? " (no-op)" : "",
 726                 dummy.e_id, op->o_req_dn.bv_val );
 727         rs->sr_text = NULL;
 728         if( num_ctrls ) rs->sr_ctrls = ctrls;
 729
 730 return_results:
 731         if ( dummy.e_attrs ) {
 732                 attrs_free( dummy.e_attrs );
 733         }
 734         send_ldap_result( op, rs );
 735
 736         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 737                 TXN_CHECKPOINT( bdb->bi_dbenv,
 738                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 739         }
 740
 741         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 742                 op->o_delete_glue_parent = 1;
 743         }
 744
 745 done:
 746         slap_graduate_commit_csn( op );
 747
 748         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 749         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 750
 751         /* LDAP v3 Support */
 752         if( np != NULL ) {
 753                 /* free new parent and reader lock */
 754                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
 755         }
 756
 757         if( p != NULL ) {
 758                 /* free parent and reader lock */
 759                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 760         }
 761
 762         /* free entry */
 763         if( e != NULL ) {
 764                 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
 765         }
 766
 767         if( ltid != NULL ) {
 768                 TXN_ABORT( ltid );
 769         }
 770         op->o_private = NULL;
 771
 772         if( preread_ctrl != NULL ) {
 773                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 774                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 775         }
 776         if( postread_ctrl != NULL ) {
 777                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 778                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 779         }
 780         return rs->sr_err;
 781 }