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         struct berval   p_dn, p_ndn;
  32         struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
  33         int             isroot = -1;
  34         Entry           *e, *p = NULL;
  35         Entry           *matched;
  36         int                     rc;
  37         const char *text;
  38         char textbuf[SLAP_TEXT_BUFLEN];
  39         size_t textlen = sizeof textbuf;
  40         DB_TXN *        ltid = NULL;
  41         struct bdb_op_info opinfo;
  42
  43         ID                      id;
  44         int             a_cnt, d_cnt;
  45         LDAPRDN         *new_rdn = NULL;
  46         LDAPRDN         *old_rdn = NULL;
  47
  48         Entry           *np = NULL;                     /* newSuperior Entry */
  49         struct berval   *np_dn = NULL;                  /* newSuperior dn */
  50         struct berval   *np_ndn = NULL;                 /* newSuperior ndn */
  51         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  52
  53         /* Used to interface with bdb_modify_internal() */
  54         Modifications   *mod = NULL;            /* Used to delete old rdn */
  55
  56         int             manageDSAit = get_manageDSAit( op );
  57
  58         Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
  59                 dn->bv_val, newrdn->bv_val,
  60                 newSuperior ? newSuperior->bv_val : "NULL" );
  61
  62 #if 0
  63         if( newSuperior != NULL ) {
  64                 rc = LDAP_UNWILLING_TO_PERFORM;
  65                 text = "newSuperior not implemented (yet)";
  66                 goto return_results;
  67         }
  68 #endif
  69
  70         if( 0 ) {
  71 retry:  /* transaction retry */
  72                 if (e != NULL) {
  73                         bdb_cache_delete_entry(&bdb->bi_cache, e);
  74                         bdb_cache_return_entry_w(&bdb->bi_cache, e);
  75                 }
  76                 if (p != NULL) {
  77                         bdb_cache_return_entry_r(&bdb->bi_cache, p);
  78                 }
  79                 if (np != NULL) {
  80                         bdb_cache_return_entry_r(&bdb->bi_cache, np);
  81                 }
  82                 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
  83                 rc = TXN_ABORT( ltid );
  84                 ltid = NULL;
  85                 op->o_private = NULL;
  86                 if( rc != 0 ) {
  87                         rc = LDAP_OTHER;
  88                         text = "internal error";
  89                         goto return_results;
  90                 }
  91                 ldap_pvt_thread_yield();
  92         }
  93
  94         /* begin transaction */
  95         rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
  96                 bdb->bi_db_opflags );
  97         text = NULL;
  98         if( rc != 0 ) {
  99                 Debug( LDAP_DEBUG_TRACE,
 100                         "bdb_delete: txn_begin failed: %s (%d)\n",
 101                         db_strerror(rc), rc, 0 );
 102                 rc = LDAP_OTHER;
 103                 text = "internal error";
 104                 goto return_results;
 105         }
 106
 107         opinfo.boi_bdb = be;
 108         opinfo.boi_txn = ltid;
 109         opinfo.boi_err = 0;
 110         op->o_private = &opinfo;
 111
 112         /* get entry */
 113         rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, 0 );
 114
 115         switch( rc ) {
 116         case 0:
 117         case DB_NOTFOUND:
 118                 break;
 119         case DB_LOCK_DEADLOCK:
 120         case DB_LOCK_NOTGRANTED:
 121                 goto retry;
 122         default:
 123                 rc = LDAP_OTHER;
 124                 text = "internal error";
 125                 goto return_results;
 126         }
 127
 128         if ( e == NULL ) {
 129                 char* matched_dn = NULL;
 130                 BerVarray refs;
 131
 132                 if( matched != NULL ) {
 133                         matched_dn = ch_strdup( matched->e_dn );
 134                         refs = is_entry_referral( matched )
 135                                 ? get_entry_referrals( be, conn, op, matched )
 136                                 : NULL;
 137                         bdb_cache_return_entry_r( &bdb->bi_cache, matched );
 138                         matched = NULL;
 139
 140                 } else {
 141                         refs = referral_rewrite( default_referral,
 142                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 143                 }
 144
 145                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 146                         matched_dn, NULL, refs, NULL );
 147
 148                 ber_bvarray_free( refs );
 149                 free( matched_dn );
 150
 151                 goto done;
 152         }
 153
 154         if (!manageDSAit && is_entry_referral( e ) ) {
 155                 /* parent is a referral, don't allow add */
 156                 /* parent is an alias, don't allow add */
 157                 BerVarray refs = get_entry_referrals( be,
 158                         conn, op, e );
 159
 160                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
 161                         e->e_dn, 0, 0 );
 162
 163                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 164                         e->e_dn, NULL, refs, NULL );
 165
 166                 ber_bvarray_free( refs );
 167                 goto done;
 168         }
 169
 170         if ( be_issuffix( be, &e->e_nname ) ) {
 171                 p_ndn = slap_empty_bv;
 172         } else {
 173                 dnParent( &e->e_nname, &p_ndn );
 174         }
 175         np_ndn = &p_ndn;
 176         if ( p_ndn.bv_len != 0 ) {
 177                 /* Make sure parent entry exist and we can write its
 178                  * children.
 179                  */
 180                 rc = bdb_dn2entry_r( be, ltid, &p_ndn, &p, NULL, 0 );
 181
 182                 switch( rc ) {
 183                 case 0:
 184                 case DB_NOTFOUND:
 185                         break;
 186                 case DB_LOCK_DEADLOCK:
 187                 case DB_LOCK_NOTGRANTED:
 188                         goto retry;
 189                 default:
 190                         rc = LDAP_OTHER;
 191                         text = "internal error";
 192                         goto return_results;
 193                 }
 194
 195                 if( p == NULL) {
 196                         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
 197                                 0, 0, 0);
 198                         rc = LDAP_OTHER;
 199                         goto return_results;
 200                 }
 201
 202                 /* check parent for "children" acl */
 203                 if ( ! access_allowed( be, conn, op, p,
 204                         children, NULL, ACL_WRITE, NULL ) )
 205                 {
 206                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 207                                 0, 0 );
 208                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 209                                 NULL, NULL, NULL, NULL );
 210                         goto return_results;
 211                 }
 212
 213                 Debug( LDAP_DEBUG_TRACE,
 214                         "bdb_modrdn: wr to children of entry %s OK\n",
 215                         p_ndn.bv_val, 0, 0 );
 216
 217                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 218                         p_dn = slap_empty_bv;
 219                 } else {
 220                         dnParent( &e->e_name, &p_dn );
 221                 }
 222
 223                 Debug( LDAP_DEBUG_TRACE,
 224                         "bdb_modrdn: parent dn=%s\n",
 225                         p_dn.bv_val, 0, 0 );
 226
 227         } else {
 228                 /* no parent, modrdn entry directly under root */
 229                 isroot = be_isroot( be, &op->o_ndn );
 230                 if ( ! isroot ) {
 231                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 232                                 || be_isupdate( be, &op->o_ndn ) ) {
 233
 234                                 p = (Entry *)&slap_entry_root;
 235
 236                                 /* check parent for "children" acl */
 237                                 rc = access_allowed( be, conn, op, p,
 238                                         children, NULL, ACL_WRITE, NULL );
 239
 240                                 p = NULL;
 241
 242                                 if ( ! rc )
 243                                 {
 244                                         Debug( LDAP_DEBUG_TRACE,
 245                                                 "no access to parent\n",
 246                                                 0, 0, 0 );
 247                                         send_ldap_result( conn, op,
 248                                                 LDAP_INSUFFICIENT_ACCESS,
 249                                                 NULL, NULL, NULL, NULL );
 250                                         goto return_results;
 251                                 }
 252
 253                                 Debug( LDAP_DEBUG_TRACE,
 254                                         "bdb_modrdn: wr to children of entry \"\" OK\n",
 255                                         0, 0, 0 );
 256
 257                                 p_dn.bv_val = "";
 258                                 p_dn.bv_len = 0;
 259
 260                                 Debug( LDAP_DEBUG_TRACE,
 261                                         "bdb_modrdn: parent dn=\"\"\n",
 262                                         0, 0, 0 );
 263
 264                         } else {
 265                                 Debug( LDAP_DEBUG_TRACE,
 266                                         "bdb_modrdn: no parent, not root "
 267                                         "& \"\" is not suffix\n",
 268                                         0, 0, 0);
 269                                 rc = LDAP_INSUFFICIENT_ACCESS;
 270                                 goto return_results;
 271                         }
 272                 }
 273         }
 274
 275         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 276
 277         if ( newSuperior != NULL ) {
 278                 Debug( LDAP_DEBUG_TRACE,
 279                         "bdb_modrdn: new parent \"%s\" requested...\n",
 280                         newSuperior->bv_val, 0, 0 );
 281
 282                 if ( newSuperior->bv_len ) {
 283                         np_dn = newSuperior;
 284                         np_ndn = nnewSuperior;
 285
 286                         /* newSuperior == oldParent?, if so ==> ERROR */
 287                         /* newSuperior == entry being moved?, if so ==> ERROR */
 288                         /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 289
 290                         rc = bdb_dn2entry_r( be, ltid, nnewSuperior, &np, NULL, 0 );
 291
 292                         switch( rc ) {
 293                         case 0:
 294                         case DB_NOTFOUND:
 295                                 break;
 296                         case DB_LOCK_DEADLOCK:
 297                         case DB_LOCK_NOTGRANTED:
 298                                 goto retry;
 299                         default:
 300                                 rc = LDAP_OTHER;
 301                                 text = "internal error";
 302                                 goto return_results;
 303                         }
 304
 305                         if( np == NULL) {
 306                                 Debug( LDAP_DEBUG_TRACE,
 307                                         "bdb_modrdn: newSup(ndn=%s) not here!\n",
 308                                         np_ndn->bv_val, 0, 0);
 309                                 rc = LDAP_OTHER;
 310                                 goto return_results;
 311                         }
 312
 313                         Debug( LDAP_DEBUG_TRACE,
 314                                 "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
 315                                 np, (long) np->e_id, 0 );
 316
 317                         /* check newSuperior for "children" acl */
 318                         if ( !access_allowed( be, conn, op, np, children, NULL, ACL_WRITE, NULL ) ) {
 319                                 Debug( LDAP_DEBUG_TRACE,
 320                                         "bdb_modrdn: no wr to newSup children\n",
 321                                         0, 0, 0 );
 322                                 rc = LDAP_INSUFFICIENT_ACCESS;
 323                                 goto return_results;
 324                         }
 325
 326 #ifdef BDB_ALIASES
 327                         if ( is_entry_alias( np ) ) {
 328                                 /* parent is an alias, don't allow add */
 329                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
 330                                         0, 0, 0 );
 331
 332                                 rc = LDAP_ALIAS_PROBLEM;
 333                                 goto return_results;
 334                         }
 335 #endif
 336
 337                         if ( is_entry_referral( np ) ) {
 338                                 /* parent is a referral, don't allow add */
 339                                 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
 340                                         0, 0, 0 );
 341
 342                                 rc = LDAP_OPERATIONS_ERROR;
 343                                 goto return_results;
 344                         }
 345
 346                 } else {
 347                         if ( isroot == -1 ) {
 348                                 isroot = be_isroot( be, &op->o_ndn );
 349                         }
 350
 351                         np_dn = NULL;
 352
 353                         /* no parent, modrdn entry directly under root */
 354                         if ( ! isroot ) {
 355                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
 356                                         || be_isupdate( be, &op->o_ndn ) ) {
 357                                         np = (Entry *)&slap_entry_root;
 358
 359                                         /* check parent for "children" acl */
 360                                         rc = access_allowed( be, conn, op, np,
 361                                                 children, NULL, ACL_WRITE, NULL );
 362
 363                                         np = NULL;
 364
 365                                         if ( ! rc )
 366                                         {
 367                                                 Debug( LDAP_DEBUG_TRACE,
 368                                                         "no access to new superior\n",
 369                                                         0, 0, 0 );
 370                                                 send_ldap_result( conn, op,
 371                                                         LDAP_INSUFFICIENT_ACCESS,
 372                                                         NULL, NULL, NULL, NULL );
 373                                                 goto return_results;
 374                                         }
 375
 376                                         Debug( LDAP_DEBUG_TRACE,
 377                                                 "bdb_modrdn: wr to children of entry \"\" OK\n",
 378                                                 0, 0, 0 );
 379
 380                                 } else {
 381                                         Debug( LDAP_DEBUG_TRACE,
 382                                                 "bdb_modrdn: new superior=\"\", not root "
 383                                                 "& \"\" is not suffix\n",
 384                                                 0, 0, 0);
 385                                         rc = LDAP_INSUFFICIENT_ACCESS;
 386                                         goto return_results;
 387                                 }
 388                         }
 389
 390                         Debug( LDAP_DEBUG_TRACE,
 391                                 "bdb_modrdn: new superior=\"\"\n",
 392                                 0, 0, 0 );
 393                 }
 394
 395                 Debug( LDAP_DEBUG_TRACE,
 396                         "bdb_modrdn: wr to new parent's children OK\n",
 397                         0, 0, 0 );
 398
 399                 new_parent_dn = np_dn;
 400         }
 401
 402         /* Build target dn and make sure target entry doesn't exist already. */
 403         build_new_dn( &new_dn, new_parent_dn, newrdn );
 404
 405         dnNormalize2( NULL, &new_dn, &new_ndn );
 406
 407         Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
 408                 new_ndn.bv_val, 0, 0 );
 409
 410         rc = bdb_dn2id ( be, ltid, &new_ndn, &id );
 411         switch( rc ) {
 412         case DB_LOCK_DEADLOCK:
 413         case DB_LOCK_NOTGRANTED:
 414                 goto retry;
 415         case DB_NOTFOUND:
 416                 break;
 417         case 0:
 418                 rc = LDAP_ALREADY_EXISTS;
 419                 goto return_results;
 420         default:
 421                 rc = LDAP_OTHER;
 422                 text = "internal error";
 423                 goto return_results;
 424         }
 425
 426         Debug( LDAP_DEBUG_TRACE,
 427                 "bdb_modrdn: new ndn=%s does not exist\n",
 428                 new_ndn.bv_val, 0, 0 );
 429
 430         /* Get attribute type and attribute value of our new rdn, we will
 431          * need to add that to our new entry
 432          */
 433         if ( ldap_str2rdn( newrdn->bv_val, &new_rdn, (char **)&text,
 434                 LDAP_DN_FORMAT_LDAP ) )
 435         {
 436                 Debug( LDAP_DEBUG_TRACE,
 437                         "bdb_modrdn: can't figure out type(s)/values(s) "
 438                         "of newrdn\n", 0, 0, 0 );
 439                 rc = LDAP_OPERATIONS_ERROR;
 440                 text = "unknown type(s) used in RDN";
 441                 goto return_results;
 442         }
 443
 444         Debug( LDAP_DEBUG_TRACE,
 445                 "bdb_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 446                 new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val, 0 );
 447
 448         if ( ldap_str2rdn( dn->bv_val, &old_rdn, (char **)&text,
 449                 LDAP_DN_FORMAT_LDAP ) )
 450         {
 451                 Debug( LDAP_DEBUG_TRACE,
 452                         "bdb_back_modrdn: can't figure out the old_rdn "
 453                         "type(s)/value(s)\n", 0, 0, 0 );
 454                 rc = LDAP_OTHER;
 455                 text = "cannot parse RDN from old DN";
 456                 goto return_results;
 457         }
 458
 459 #if 0
 460         if ( newSuperior == NULL
 461                 && charray_strcasecmp( ( const char ** )old_rdn_types,
 462                                 ( const char ** )new_rdn_types ) != 0 ) {
 463                 /* Not a big deal but we may say something */
 464                 Debug( LDAP_DEBUG_TRACE,
 465                         "bdb_modrdn: old_rdn_type(s)=%s, new_rdn_type(s)=%s "
 466                         "do not match\n",
 467                         old_rdn_types[ 0 ], new_rdn_types[ 0 ], 0 );
 468         }
 469 #endif
 470
 471         /* Add new attribute values to the entry */
 472         for ( a_cnt = 0; new_rdn[0][ a_cnt ]; a_cnt++ ) {
 473                 int                     rc;
 474                 AttributeDescription    *desc = NULL;
 475                 Modifications           *mod_tmp;
 476
 477                 rc = slap_bv2ad( &new_rdn[0][ a_cnt ]->la_attr, &desc, &text );
 478
 479                 if ( rc != LDAP_SUCCESS ) {
 480                         Debug( LDAP_DEBUG_TRACE,
 481                                 "bdb_modrdn: %s: %s (new)\n",
 482                                 text, new_rdn[0][ a_cnt ]->la_attr.bv_val, 0 );
 483                         goto return_results;
 484                 }
 485
 486                 /* ACL check of newly added attrs */
 487                 if ( !access_allowed( be, conn, op, e, desc,
 488                         &new_rdn[0][ a_cnt ]->la_value, ACL_WRITE, NULL ) ) {
 489                         Debug( LDAP_DEBUG_TRACE,
 490                                 "bdb_modrdn: access to attr \"%s\" "
 491                                 "(new) not allowed\n",
 492                                 new_rdn[0][ a_cnt ]->la_attr.bv_val, 0, 0 );
 493                         rc = LDAP_INSUFFICIENT_ACCESS;
 494                         goto return_results;
 495                 }
 496
 497                 /* Apply modification */
 498                 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
 499                         + 2 * sizeof( struct berval ) );
 500                 mod_tmp->sml_desc = desc;
 501                 mod_tmp->sml_bvalues = ( BerVarray )( mod_tmp + 1 );
 502                 mod_tmp->sml_bvalues[ 0 ] = new_rdn[0][ a_cnt ]->la_value;
 503                 mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
 504                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 505                 mod_tmp->sml_next = mod;
 506                 mod = mod_tmp;
 507         }
 508
 509         /* Remove old rdn value if required */
 510         if ( deleteoldrdn ) {
 511                 /* Get value of old rdn */
 512                 if ( old_rdn == NULL) {
 513                         Debug( LDAP_DEBUG_TRACE,
 514                                 "bdb_modrdn: can't figure out old RDN value(s) "
 515                                 "from old RDN\n", 0, 0, 0 );
 516                         rc = LDAP_OTHER;
 517                         text = "could not parse value(s) from old RDN";
 518                         goto return_results;
 519                 }
 520
 521                 for ( d_cnt = 0; old_rdn[0][ d_cnt ]; d_cnt++ ) {
 522                         int                     rc;
 523                         AttributeDescription    *desc = NULL;
 524                         Modifications           *mod_tmp;
 525
 526                         rc = slap_bv2ad( &old_rdn[0][ d_cnt ]->la_attr,
 527                                         &desc, &text );
 528
 529                         if ( rc != LDAP_SUCCESS ) {
 530                                 Debug( LDAP_DEBUG_TRACE,
 531                                         "bdb_modrdn: %s: %s (old)\n",
 532                                         text, old_rdn[0][ d_cnt ]->la_attr.bv_val, 0 );
 533                                 goto return_results;
 534                         }
 535
 536                         /* ACL check of newly added attrs */
 537                         if ( !access_allowed( be, conn, op, e, desc,
 538                                 &old_rdn[0][d_cnt]->la_value, ACL_WRITE, NULL ) ) {
 539                                 Debug( LDAP_DEBUG_TRACE,
 540                                         "bdb_modrdn: access to attr \"%s\" "
 541                                         "(old) not allowed\n",
 542                                         old_rdn[0][ d_cnt ]->la_attr.bv_val, 0, 0 );
 543                                 rc = LDAP_INSUFFICIENT_ACCESS;
 544                                 goto return_results;
 545                         }
 546
 547                         /* Apply modification */
 548                         mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
 549                                 + 2 * sizeof ( struct berval ) );
 550                         mod_tmp->sml_desc = desc;
 551                         mod_tmp->sml_bvalues = ( BerVarray )(mod_tmp+1);
 552                         mod_tmp->sml_bvalues[ 0 ] = old_rdn[0][ d_cnt ]->la_value;
 553                         mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
 554                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 555                         mod_tmp->sml_next = mod;
 556                         mod = mod_tmp;
 557                 }
 558         }
 559
 560         /* delete old one */
 561         rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
 562         if ( rc != 0 ) {
 563                 switch( rc ) {
 564                 case DB_LOCK_DEADLOCK:
 565                 case DB_LOCK_NOTGRANTED:
 566                         goto retry;
 567                 }
 568                 rc = LDAP_OTHER;
 569                 text = "DN index delete fail";
 570                 goto return_results;
 571         }
 572
 573         (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
 574
 575         /* Binary format uses a single contiguous block, cannot
 576          * free individual fields. Leave new_dn/new_ndn set so
 577          * they can be individually freed later.
 578          */
 579         e->e_name = new_dn;
 580         e->e_nname = new_ndn;
 581
 582         new_dn.bv_val = NULL;
 583         new_ndn.bv_val = NULL;
 584
 585         /* add new one */
 586         rc = bdb_dn2id_add( be, ltid, np_ndn, e );
 587         if ( rc != 0 ) {
 588                 switch( rc ) {
 589                 case DB_LOCK_DEADLOCK:
 590                 case DB_LOCK_NOTGRANTED:
 591                         goto retry;
 592                 }
 593                 rc = LDAP_OTHER;
 594                 text = "DN index add failed";
 595                 goto return_results;
 596         }
 597
 598         /* modify entry */
 599         rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
 600                 &text, textbuf, textlen );
 601
 602         if( rc != LDAP_SUCCESS ) {
 603                 switch( rc ) {
 604                 case DB_LOCK_DEADLOCK:
 605                 case DB_LOCK_NOTGRANTED:
 606                         goto retry;
 607                 }
 608                 goto return_results;
 609         }
 610
 611         /* id2entry index */
 612         rc = bdb_id2entry_update( be, ltid, e );
 613         if ( rc != 0 ) {
 614                 switch( rc ) {
 615                 case DB_LOCK_DEADLOCK:
 616                 case DB_LOCK_NOTGRANTED:
 617                         goto retry;
 618                 }
 619                 rc = LDAP_OTHER;
 620                 text = "entry update failed";
 621                 goto return_results;
 622         }
 623
 624         if( op->o_noop ) {
 625                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 626                         text = "txn_abort (no-op) failed";
 627                 } else {
 628                         rc = LDAP_SUCCESS;
 629                 }
 630
 631         } else {
 632                 char gid[DB_XIDDATASIZE];
 633
 634                 snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
 635                         bdb_uuid, (long) op->o_connid, (long) op->o_opid );
 636
 637                 if(( rc=TXN_PREPARE( ltid, gid )) != 0 ) {
 638                         text = "txn_prepare failed";
 639                 } else {
 640                         if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
 641                                 if(( rc=TXN_ABORT( ltid )) != 0 ) {
 642                                         text ="cache update & txn_abort failed";
 643                                 } else {
 644                                         rc = LDAP_OTHER;
 645                                         text = "cache update failed";
 646                                 }
 647
 648                         } else {
 649                                 if(( rc=TXN_COMMIT( ltid, 0 )) != 0 ) {
 650                                         text = "txn_commit failed";
 651                                 } else {
 652                                         rc = LDAP_SUCCESS;
 653                                 }
 654                         }
 655                 }
 656         }
 657
 658         ltid = NULL;
 659         op->o_private = NULL;
 660
 661         if( rc == LDAP_SUCCESS ) {
 662                 Debug(LDAP_DEBUG_TRACE,
 663                         "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
 664                         op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
 665                 text = NULL;
 666                 bdb_cache_entry_commit( e );
 667
 668         } else {
 669                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 670                         text, db_strerror(rc), rc );
 671                 rc = LDAP_OTHER;
 672         }
 673
 674 return_results:
 675         send_ldap_result( conn, op, rc,
 676                 NULL, text, NULL, NULL );
 677
 678         if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 679                 ldap_pvt_thread_yield();
 680                 TXN_CHECKPOINT( bdb->bi_dbenv,
 681                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 682         }
 683
 684 done:
 685         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 686         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 687
 688         /* LDAP v2 supporting correct attribute handling. */
 689         if( new_rdn != NULL ) ldap_rdnfree( new_rdn );
 690         if( old_rdn != NULL ) ldap_rdnfree( old_rdn );
 691         if( mod != NULL ) {
 692                 Modifications *tmp;
 693                 for (; mod; mod=tmp ) {
 694                         tmp = mod->sml_next;
 695                         free( mod );
 696                 }
 697         }
 698
 699         /* LDAP v3 Support */
 700         if( np != NULL ) {
 701                 /* free new parent and reader lock */
 702                 bdb_cache_return_entry_r(&bdb->bi_cache, np);
 703         }
 704
 705         if( p != NULL ) {
 706                 /* free parent and reader lock */
 707                 bdb_cache_return_entry_r(&bdb->bi_cache, p);
 708         }
 709
 710         /* free entry */
 711         if( e != NULL ) {
 712                 bdb_cache_return_entry_w( &bdb->bi_cache, e );
 713         }
 714
 715         if( ltid != NULL ) {
 716                 TXN_ABORT( ltid );
 717                 op->o_private = NULL;
 718         }
 719
 720         return rc;
 721 }