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

   1 /* modrdn.c - ldbm 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 /*
   9  * LDAP v3 newSuperior support. Add new rdn as an attribute.
  10  * (Full support for v2 also used software/ideas contributed
  11  * by Roy Hooper rhooper@cyberus.ca, thanks to him for his
  12  * submission!.)
  13  *
  14  * Copyright 1999, Juan C. Gomez, All rights reserved.
  15  * This software is not subject to any license of Silicon Graphics
  16  * Inc. or Purdue University.
  17  *
  18  * Redistribution and use in source and binary forms are permitted
  19  * without restriction or fee of any kind as long as this notice
  20  * is preserved.
  21  *
  22  */
  23
  24 #include "portable.h"
  25
  26 #include <stdio.h>
  27
  28 #include <ac/string.h>
  29 #include <ac/socket.h>
  30
  31 #include "slap.h"
  32 #include "back-ldbm.h"
  33 #include "proto-back-ldbm.h"
  34
  35 int
  36 ldbm_back_modrdn(
  37     Operation   *op,
  38     SlapReply   *rs )
  39 {
  40         AttributeDescription *children = slap_schema.si_ad_children;
  41         AttributeDescription *entry = slap_schema.si_ad_entry;
  42         struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
  43         struct berval   p_dn, p_ndn;
  44         struct berval   new_dn = { 0, NULL}, new_ndn = { 0, NULL };
  45         Entry           *e, *p = NULL;
  46         Entry           *matched;
  47         /* LDAP v2 supporting correct attribute handling. */
  48         LDAPRDN         *new_rdn = NULL;
  49         LDAPRDN         *old_rdn = NULL;
  50         int             isroot = -1;
  51 #define CAN_ROLLBACK    -1
  52 #define MUST_DESTROY    1
  53         int             rc = CAN_ROLLBACK;
  54         int             rc_id = 0;
  55         ID              id = NOID;
  56         const char      *text = NULL;
  57         char            textbuf[SLAP_TEXT_BUFLEN];
  58         size_t          textlen = sizeof textbuf;
  59         /* Added to support newSuperior */
  60         Entry           *np = NULL;     /* newSuperior Entry */
  61         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  62         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  63         /* Used to interface with ldbm_modify_internal() */
  64         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  65         int             manageDSAit = get_manageDSAit( op );
  66
  67 #ifdef NEW_LOGGING
  68         LDAP_LOG( BACK_LDBM, ENTRY,
  69                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  70                 op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "NULL",
  71                 ( op->oq_modrdn.rs_newSup && op->oq_modrdn.rs_newSup->bv_len ) ? op->oq_modrdn.rs_newSup->bv_val : "NULL",0 );
  72 #else
  73         Debug( LDAP_DEBUG_TRACE,
  74                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  75                 op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "NULL",
  76                 ( op->oq_modrdn.rs_newSup && op->oq_modrdn.rs_newSup->bv_len )
  77                         ? op->oq_modrdn.rs_newSup->bv_val : "NULL", 0 );
  78 #endif
  79
  80         /* grab giant lock for writing */
  81         ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
  82
  83         /* get entry with writer lock */
  84         if ( (e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
  85                 if( matched != NULL ) {
  86                         rs->sr_matched = strdup( matched->e_dn );
  87                         rs->sr_ref = is_entry_referral( matched )
  88                                 ? get_entry_referrals( op, matched )
  89                                 : NULL;
  90                         cache_return_entry_r( &li->li_cache, matched );
  91                 } else {
  92                         rs->sr_ref = referral_rewrite( default_referral,
  93                                 NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
  94                 }
  95
  96                 ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
  97
  98                 rs->sr_err = LDAP_REFERRAL;
  99                 send_ldap_result( op, rs );
 100
 101                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 102                 free( (char *)rs->sr_matched );
 103
 104                 return( -1 );
 105         }
 106
 107         /* check entry for "entry" acl */
 108         if ( ! access_allowed( op, e,
 109                 entry, NULL, ACL_WRITE, NULL ) )
 110         {
 111 #ifdef NEW_LOGGING
 112                 LDAP_LOG( BACK_LDBM, ERR,
 113                         "ldbm_back_modrdn: no write access to entry of (%s)\n",
 114                         dn->bv_val, 0, 0 );
 115 #else
 116                 Debug( LDAP_DEBUG_TRACE,
 117                         "<=- ldbm_back_modrdn: no write access to entry\n", 0,
 118                         0, 0 );
 119 #endif
 120
 121                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 122                         "no write access to entry" );
 123
 124                 goto return_results;
 125         }
 126
 127         if (!manageDSAit && is_entry_referral( e ) ) {
 128                 /* parent is a referral, don't allow add */
 129                 /* parent is an alias, don't allow add */
 130                 rs->sr_ref = get_entry_referrals( op, e );
 131
 132 #ifdef NEW_LOGGING
 133                 LDAP_LOG( BACK_LDBM, INFO,
 134                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn, 0, 0 );
 135 #else
 136                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 137                     0, 0 );
 138 #endif
 139
 140                 rs->sr_err = LDAP_REFERRAL;
 141                 rs->sr_matched = e->e_name.bv_val;
 142                 send_ldap_result( op, rs );
 143
 144                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 145                 goto return_results;
 146         }
 147
 148         if ( has_children( op->o_bd, e ) ) {
 149 #ifdef NEW_LOGGING
 150                 LDAP_LOG( BACK_LDBM, INFO,
 151                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn, 0, 0 );
 152 #else
 153                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 154                     0, 0 );
 155 #endif
 156
 157                 send_ldap_error( op, rs, LDAP_NOT_ALLOWED_ON_NONLEAF,
 158                     "subtree rename not supported" );
 159                 goto return_results;
 160         }
 161
 162         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 163                 p_ndn = slap_empty_bv ;
 164         } else {
 165                 dnParent( &e->e_nname, &p_ndn );
 166         }
 167
 168         if ( p_ndn.bv_len != 0 ) {
 169                 /* Make sure parent entry exist and we can write its
 170                  * children.
 171                  */
 172
 173                 if( (p = dn2entry_w( op->o_bd, &p_ndn, NULL )) == NULL) {
 174 #ifdef NEW_LOGGING
 175                         LDAP_LOG( BACK_LDBM, INFO,
 176                                 "ldbm_back_modrdn: parent of %s does not exist\n",
 177                                 e->e_ndn, 0, 0 );
 178 #else
 179                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 180                                 0, 0, 0);
 181 #endif
 182
 183                         send_ldap_error( op, rs, LDAP_OTHER,
 184                                 "parent entry does not exist" );
 185
 186                         goto return_results;
 187                 }
 188
 189                 /* check parent for "children" acl */
 190                 if ( ! access_allowed( op, p,
 191                         children, NULL, ACL_WRITE, NULL ) )
 192                 {
 193 #ifdef NEW_LOGGING
 194                         LDAP_LOG( BACK_LDBM, INFO,
 195                                 "ldbm_back_modrdn: no access to parent of (%s)\n",
 196                                 e->e_dn, 0, 0 );
 197 #else
 198                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 199                                 0, 0 );
 200 #endif
 201
 202                         send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 203                                 NULL );
 204                         goto return_results;
 205                 }
 206
 207 #ifdef NEW_LOGGING
 208                 LDAP_LOG( BACK_LDBM, DETAIL1,
 209                         "ldbm_back_modrdn: wr to children of entry %s OK\n",
 210                         p_ndn.bv_val, 0, 0 );
 211 #else
 212                 Debug( LDAP_DEBUG_TRACE,
 213                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 214                        p_ndn.bv_val, 0, 0 );
 215 #endif
 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 #ifdef NEW_LOGGING
 224                 LDAP_LOG( BACK_LDBM, DETAIL1,
 225                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 226 #else
 227                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 228                        p_dn.bv_val, 0, 0 );
 229 #endif
 230
 231         } else {
 232                 /* no parent, must be root to modify rdn */
 233                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 234                 if ( ! isroot ) {
 235                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 236                                 int     can_access;
 237                                 p = (Entry *)&slap_entry_root;
 238
 239                                 can_access = access_allowed( op, p,
 240                                                 children, NULL, ACL_WRITE, NULL );
 241                                 p = NULL;
 242
 243                                 /* check parent for "children" acl */
 244                                 if ( ! can_access ) {
 245 #ifdef NEW_LOGGING
 246                                         LDAP_LOG( BACK_LDBM, ERR,
 247                                                 "ldbm_back_modrdn: no access to parent \"\"\n", 0,0,0 );
 248 #else
 249                                         Debug( LDAP_DEBUG_TRACE,
 250                                                 "<=- ldbm_back_modrdn: no "
 251                                                 "access to parent\n", 0, 0, 0 );
 252 #endif
 253
 254                                         send_ldap_error( op, rs,
 255                                                 LDAP_INSUFFICIENT_ACCESS,
 256                                                 NULL );
 257                                         goto return_results;
 258                                 }
 259
 260                         } else {
 261 #ifdef NEW_LOGGING
 262                                 LDAP_LOG( BACK_LDBM, ERR,
 263                                         "ldbm_back_modrdn: (%s) has no parent & not a root.\n",
 264                                         dn, 0, 0 );
 265 #else
 266                                 Debug( LDAP_DEBUG_TRACE,
 267                                         "<=- ldbm_back_modrdn: no parent & "
 268                                         "not root\n", 0, 0, 0);
 269 #endif
 270
 271                                 send_ldap_error( op, rs,
 272                                         LDAP_INSUFFICIENT_ACCESS,
 273                                         NULL );
 274                                 goto return_results;
 275                         }
 276                 }
 277
 278 #ifdef NEW_LOGGING
 279                 LDAP_LOG( BACK_LDBM, INFO,
 280                    "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn, 0, 0 );
 281 #else
 282                 Debug( LDAP_DEBUG_TRACE,
 283                        "ldbm_back_modrdn: no parent, locked root\n",
 284                        0, 0, 0 );
 285 #endif
 286         }
 287
 288         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 289
 290         if ( op->oq_modrdn.rs_newSup != NULL ) {
 291 #ifdef NEW_LOGGING
 292                 LDAP_LOG( BACK_LDBM, DETAIL1,
 293                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 294                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 295 #else
 296                 Debug( LDAP_DEBUG_TRACE,
 297                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 298                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 299 #endif
 300
 301                 np_ndn = op->oq_modrdn.rs_nnewSup;
 302
 303                 /* newSuperior == oldParent? */
 304                 if ( dn_match( &p_ndn, np_ndn ) ) {
 305 #ifdef NEW_LOGGING
 306                         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: "
 307                                 "new parent\"%s\" seems to be the same as the "
 308                                 "old parent \"%s\"\n", op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 309 #else
 310                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 311                                 "new parent\"%s\" seems to be the same as the "
 312                                 "old parent \"%s\"\n",
 313                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 314 #endif
 315
 316                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 317                 }
 318         }
 319
 320         if ( op->oq_modrdn.rs_newSup != NULL ) {
 321                 /* newSuperior == entry being moved?, if so ==> ERROR */
 322                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 323
 324                 if ( op->oq_modrdn.rs_nnewSup->bv_len ) {
 325                         if( (np = dn2entry_w( op->o_bd, np_ndn, NULL )) == NULL) {
 326 #ifdef NEW_LOGGING
 327                                 LDAP_LOG( BACK_LDBM, ERR,
 328                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n",
 329                                         np_ndn->bv_val, 0, 0 );
 330 #else
 331                                 Debug( LDAP_DEBUG_TRACE,
 332                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 333                                     np_ndn->bv_val, 0, 0);
 334 #endif
 335
 336                                 send_ldap_error( op, rs, LDAP_OTHER,
 337                                         "newSuperior not found" );
 338                                 goto return_results;
 339                         }
 340
 341 #ifdef NEW_LOGGING
 342                         LDAP_LOG( BACK_LDBM, DETAIL1,
 343                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 344                                 np, np->e_id, 0 );
 345 #else
 346                         Debug( LDAP_DEBUG_TRACE,
 347                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 348                                 np, np->e_id, 0 );
 349 #endif
 350
 351                         /* check newSuperior for "children" acl */
 352                         if ( !access_allowed( op, np, children, NULL,
 353                                               ACL_WRITE, NULL ) )
 354                         {
 355 #ifdef NEW_LOGGING
 356                                 LDAP_LOG( BACK_LDBM, INFO,
 357                                    "ldbm_back_modrdn: no wr to newSup children.\n", 0, 0, 0 );
 358 #else
 359                                 Debug( LDAP_DEBUG_TRACE,
 360                                        "ldbm_back_modrdn: no wr to newSup children\n",
 361                                        0, 0, 0 );
 362 #endif
 363
 364                                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
 365                                 goto return_results;
 366                         }
 367
 368                         if ( is_entry_alias( np ) ) {
 369                                 /* parent is an alias, don't allow add */
 370 #ifdef NEW_LOGGING
 371                                 LDAP_LOG( BACK_LDBM, INFO,
 372                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn,0,0);
 373 #else
 374                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 375 #endif
 376
 377
 378                                 send_ldap_error( op, rs, LDAP_ALIAS_PROBLEM,
 379                                     "newSuperior is an alias" );
 380
 381                                 goto return_results;
 382                         }
 383
 384                         if ( is_entry_referral( np ) ) {
 385                                 /* parent is a referral, don't allow add */
 386 #ifdef NEW_LOGGING
 387                                 LDAP_LOG( BACK_LDBM, INFO,
 388                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 389                                         np->e_dn, 0, 0 );
 390 #else
 391                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 392                                         np->e_dn, 0, 0 );
 393 #endif
 394
 395                                 send_ldap_error( op, rs, LDAP_OTHER,
 396                                     "newSuperior is a referral" );
 397
 398                                 goto return_results;
 399                         }
 400
 401                 } else {
 402
 403                         /* no parent, must be root to modify newSuperior */
 404                         if ( isroot == -1 ) {
 405                                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 406                         }
 407
 408                         if ( ! isroot ) {
 409                                 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 410                                         int     can_access;
 411                                         np = (Entry *)&slap_entry_root;
 412
 413                                         can_access = access_allowed( op, np,
 414                                                         children, NULL, ACL_WRITE, NULL );
 415                                         np = NULL;
 416
 417                                         /* check parent for "children" acl */
 418                                         if ( ! can_access ) {
 419 #ifdef NEW_LOGGING
 420                                                 LDAP_LOG( BACK_LDBM, ERR,
 421                                                         "ldbm_back_modrdn: no access "
 422                                                         "to new superior \"\"\n", 0, 0, 0 );
 423 #else
 424                                                 Debug( LDAP_DEBUG_TRACE,
 425                                                         "<=- ldbm_back_modrdn: no "
 426                                                         "access to new superior\n", 0, 0, 0 );
 427 #endif
 428
 429                                                 send_ldap_error( op, rs,
 430                                                         LDAP_INSUFFICIENT_ACCESS,
 431                                                         NULL );
 432                                                 goto return_results;
 433                                         }
 434
 435                                 } else {
 436 #ifdef NEW_LOGGING
 437                                         LDAP_LOG( BACK_LDBM, ERR,
 438                                                 "ldbm_back_modrdn: \"\" not allowed as new superior\n",
 439                                                 0, 0, 0 );
 440 #else
 441                                         Debug( LDAP_DEBUG_TRACE,
 442                                                 "<=- ldbm_back_modrdn: \"\" "
 443                                                 "not allowed as new superior\n",
 444                                                 0, 0, 0);
 445 #endif
 446
 447                                         send_ldap_error( op, rs,
 448                                                 LDAP_INSUFFICIENT_ACCESS,
 449                                                 NULL );
 450                                         goto return_results;
 451                                 }
 452                         }
 453                 }
 454
 455 #ifdef NEW_LOGGING
 456                 LDAP_LOG( BACK_LDBM, DETAIL1,
 457                         "ldbm_back_modrdn: wr to new parent's children OK.\n", 0, 0, 0 );
 458 #else
 459                 Debug( LDAP_DEBUG_TRACE,
 460                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 461                     0, 0, 0 );
 462 #endif
 463
 464                 new_parent_dn = op->oq_modrdn.rs_newSup;
 465         }
 466
 467         /* Build target dn and make sure target entry doesn't exist already. */
 468         build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn );
 469         dnNormalize2( NULL, &new_dn, &new_ndn );
 470
 471 #ifdef NEW_LOGGING
 472         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn: new ndn=%s\n",
 473                 new_ndn.bv_val, 0, 0 );
 474 #else
 475         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 476             new_ndn.bv_val, 0, 0 );
 477 #endif
 478
 479         /* check for abandon */
 480         if ( op->o_abandon ) {
 481                 goto return_results;
 482         }
 483
 484         if ( ( rc_id = dn2id ( op->o_bd, &new_ndn, &id ) ) || id != NOID ) {
 485                 /* if (rc_id) something bad happened to ldbm cache */
 486                 rs->sr_err = rc_id ? LDAP_OTHER : LDAP_ALREADY_EXISTS;
 487                 send_ldap_result( op, rs );
 488                 goto return_results;
 489         }
 490
 491 #ifdef NEW_LOGGING
 492         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: new ndn (%s) does not exist\n",
 493                 new_ndn.bv_val, 0, 0 );
 494 #else
 495         Debug( LDAP_DEBUG_TRACE,
 496             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 497             new_ndn.bv_val, 0, 0 );
 498 #endif
 499
 500         /* Get attribute type and attribute value of our new rdn, we will
 501          * need to add that to our new entry
 502          */
 503         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, (char **)&rs->sr_text,
 504                 LDAP_DN_FORMAT_LDAP ) )
 505         {
 506 #ifdef NEW_LOGGING
 507                 LDAP_LOG ( OPERATION, ERR,
 508                         "ldbm_back_modrdn: can't figure out "
 509                         "type(s)/values(s) of newrdn\n",
 510                         0, 0, 0 );
 511 #else
 512                 Debug( LDAP_DEBUG_TRACE,
 513                         "ldbm_back_modrdn: can't figure out "
 514                         "type(s)/values(s) of newrdn\n",
 515                         0, 0, 0 );
 516 #endif
 517                 goto return_results;
 518         }
 519
 520 #ifdef NEW_LOGGING
 521         LDAP_LOG ( OPERATION, RESULTS,
 522                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 523                 "new_rdn_val=\"%s\"\n",
 524                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 525                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 526 #else
 527         Debug( LDAP_DEBUG_TRACE,
 528                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 529                 "new_rdn_val=\"%s\"\n",
 530                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 531                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 532 #endif
 533
 534         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 535                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 536                         LDAP_DN_FORMAT_LDAP ) )
 537                 {
 538 #ifdef NEW_LOGGING
 539                         LDAP_LOG ( OPERATION, ERR,
 540                                 "ldbm_back_modrdn: can't figure out "
 541                                 "type(s)/values(s) of old_rdn\n",
 542                                 0, 0, 0 );
 543 #else
 544                         Debug( LDAP_DEBUG_TRACE,
 545                                 "ldbm_back_modrdn: can't figure out "
 546                                 "the old_rdn type(s)/value(s)\n",
 547                                 0, 0, 0 );
 548 #endif
 549                         goto return_results;
 550                 }
 551         }
 552
 553 #ifdef NEW_LOGGING
 554         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn:  DN_X500\n", 0, 0, 0 );
 555 #else
 556         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 557                0, 0, 0 );
 558 #endif
 559
 560         if ( slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod ) != LDAP_SUCCESS ) {
 561                 goto return_results;
 562         }
 563
 564
 565         /* check for abandon */
 566         if ( op->o_abandon ) {
 567                 goto return_results;
 568         }
 569
 570         /* delete old one */
 571         if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 572                 send_ldap_error( op, rs, LDAP_OTHER,
 573                         "DN index delete fail" );
 574                 goto return_results;
 575         }
 576
 577         (void) cache_delete_entry( &li->li_cache, e );
 578         rc = MUST_DESTROY;
 579
 580         /* XXX: there is no going back! */
 581
 582         free( e->e_dn );
 583         free( e->e_ndn );
 584         e->e_name = new_dn;
 585         e->e_nname = new_ndn;
 586         new_dn.bv_val = NULL;
 587         new_ndn.bv_val = NULL;
 588
 589         /* NOTE: after this you must not free new_dn or new_ndn!
 590          * They are used by cache.
 591          */
 592
 593         /* add new one */
 594         if ( dn2id_add( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 595                 send_ldap_error( op, rs, LDAP_OTHER,
 596                         "DN index add failed" );
 597                 goto return_results;
 598         }
 599
 600         /* modify memory copy of entry */
 601         rc_id = ldbm_modify_internal( op, &mod[0], e,
 602                 &rs->sr_text, textbuf, textlen );
 603         switch ( rc_id ) {
 604         case LDAP_SUCCESS:
 605                 break;
 606
 607         case SLAPD_ABANDON:
 608                 /* too late ... */
 609                 rs->sr_err = rc_id;
 610                 send_ldap_result( op, rs );
 611                 goto return_results;
 612
 613         default:
 614                 /* here we may try to delete the newly added dn */
 615                 if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 616                         /* we already are in trouble ... */
 617                         ;
 618                 }
 619                 goto return_results;
 620         }
 621
 622         (void) cache_update_entry( &li->li_cache, e );
 623
 624         /* id2entry index */
 625         if ( id2entry_add( op->o_bd, e ) != 0 ) {
 626                 send_ldap_error( op, rs, LDAP_OTHER,
 627                         "entry update failed" );
 628                 goto return_results;
 629         }
 630
 631         rs->sr_err = LDAP_SUCCESS;
 632         send_ldap_result( op, rs );
 633         rc = 0;
 634         cache_entry_commit( e );
 635
 636 return_results:
 637         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 638         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 639
 640         /* LDAP v2 supporting correct attribute handling. */
 641         if ( new_rdn != NULL ) {
 642                 ldap_rdnfree( new_rdn );
 643         }
 644         if ( old_rdn != NULL ) {
 645                 ldap_rdnfree( old_rdn );
 646         }
 647         if ( mod != NULL ) {
 648                 Modifications *tmp;
 649                 for (; mod; mod = tmp ) {
 650                         if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
 651                         tmp = mod->sml_next;
 652                         free( mod );
 653                 }
 654         }
 655
 656         /* LDAP v3 Support */
 657         if( np != NULL ) {
 658                 /* free new parent and writer lock */
 659                 cache_return_entry_w( &li->li_cache, np );
 660         }
 661
 662         if( p != NULL ) {
 663                 /* free parent and writer lock */
 664                 cache_return_entry_w( &li->li_cache, p );
 665         }
 666
 667         /* free entry and writer lock */
 668         cache_return_entry_w( &li->li_cache, e );
 669         if ( rc == MUST_DESTROY ) {
 670                 /* if rc == MUST_DESTROY the entry is uncached
 671                  * and its private data is destroyed;
 672                  * the entry must be freed */
 673                 entry_free( e );
 674         }
 675         ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 676         return( rc );
 677 }