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         e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched );
  84
  85         /* get entry with writer lock */
  86 #ifdef LDAP_SYNCREPL /* FIXME: dn2entry() should return non-glue entry */
  87         if (( e == NULL  ) || ( !manageDSAit && e && is_entry_glue( e ))) {
  88 #else
  89         if ( e == NULL ) {
  90 #endif
  91                 if ( matched != NULL ) {
  92                         rs->sr_matched = strdup( matched->e_dn );
  93                         rs->sr_ref = is_entry_referral( matched )
  94                                 ? get_entry_referrals( op, matched )
  95                                 : NULL;
  96                         cache_return_entry_r( &li->li_cache, matched );
  97                 } else {
  98 #ifdef LDAP_SYNCREPL
  99                         BerVarray deref = op->o_bd->syncinfo ?
 100                                                           op->o_bd->syncinfo->provideruri_bv : default_referral;
 101 #else
 102                         BerVarray deref = default_referral;
 103 #endif
 104                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 105                 }
 106
 107                 ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 108
 109                 rs->sr_err = LDAP_REFERRAL;
 110                 send_ldap_result( op, rs );
 111
 112                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 113                 free( (char *)rs->sr_matched );
 114
 115 #ifdef LDAP_SYNCREPL
 116                 return rs->sr_err;
 117 #else
 118                 return( -1 );
 119 #endif
 120         }
 121
 122         /* check entry for "entry" acl */
 123         if ( ! access_allowed( op, e,
 124                 entry, NULL, ACL_WRITE, NULL ) )
 125         {
 126 #ifdef NEW_LOGGING
 127                 LDAP_LOG( BACK_LDBM, ERR,
 128                         "ldbm_back_modrdn: no write access to entry of (%s)\n",
 129                         op->o_req_dn.bv_val, 0, 0 );
 130 #else
 131                 Debug( LDAP_DEBUG_TRACE,
 132                         "<=- ldbm_back_modrdn: no write access to entry\n", 0,
 133                         0, 0 );
 134 #endif
 135
 136                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 137                         "no write access to entry" );
 138
 139                 goto return_results;
 140         }
 141
 142         if (!manageDSAit && is_entry_referral( e ) ) {
 143                 /* parent is a referral, don't allow add */
 144                 /* parent is an alias, don't allow add */
 145                 rs->sr_ref = get_entry_referrals( op, e );
 146
 147 #ifdef NEW_LOGGING
 148                 LDAP_LOG( BACK_LDBM, INFO,
 149                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn, 0, 0 );
 150 #else
 151                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 152                     0, 0 );
 153 #endif
 154
 155                 rs->sr_err = LDAP_REFERRAL;
 156                 rs->sr_matched = e->e_name.bv_val;
 157                 send_ldap_result( op, rs );
 158
 159                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 160                 goto return_results;
 161         }
 162
 163         if ( has_children( op->o_bd, e ) ) {
 164 #ifdef NEW_LOGGING
 165                 LDAP_LOG( BACK_LDBM, INFO,
 166                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn, 0, 0 );
 167 #else
 168                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 169                     0, 0 );
 170 #endif
 171
 172                 send_ldap_error( op, rs, LDAP_NOT_ALLOWED_ON_NONLEAF,
 173                     "subtree rename not supported" );
 174                 goto return_results;
 175         }
 176
 177         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 178                 p_ndn = slap_empty_bv ;
 179         } else {
 180                 dnParent( &e->e_nname, &p_ndn );
 181         }
 182
 183         if ( p_ndn.bv_len != 0 ) {
 184                 /* Make sure parent entry exist and we can write its
 185                  * children.
 186                  */
 187
 188                 if( (p = dn2entry_w( op->o_bd, &p_ndn, NULL )) == NULL) {
 189 #ifdef NEW_LOGGING
 190                         LDAP_LOG( BACK_LDBM, INFO,
 191                                 "ldbm_back_modrdn: parent of %s does not exist\n",
 192                                 e->e_ndn, 0, 0 );
 193 #else
 194                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 195                                 0, 0, 0);
 196 #endif
 197
 198                         send_ldap_error( op, rs, LDAP_OTHER,
 199                                 "parent entry does not exist" );
 200
 201                         goto return_results;
 202                 }
 203
 204                 /* check parent for "children" acl */
 205                 if ( ! access_allowed( op, p,
 206                         children, NULL, ACL_WRITE, NULL ) )
 207                 {
 208 #ifdef NEW_LOGGING
 209                         LDAP_LOG( BACK_LDBM, INFO,
 210                                 "ldbm_back_modrdn: no access to parent of (%s)\n",
 211                                 e->e_dn, 0, 0 );
 212 #else
 213                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 214                                 0, 0 );
 215 #endif
 216
 217                         send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 218                                 NULL );
 219                         goto return_results;
 220                 }
 221
 222 #ifdef NEW_LOGGING
 223                 LDAP_LOG( BACK_LDBM, DETAIL1,
 224                         "ldbm_back_modrdn: wr to children of entry %s OK\n",
 225                         p_ndn.bv_val, 0, 0 );
 226 #else
 227                 Debug( LDAP_DEBUG_TRACE,
 228                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 229                        p_ndn.bv_val, 0, 0 );
 230 #endif
 231
 232                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 233                         p_dn = slap_empty_bv;
 234                 } else {
 235                         dnParent( &e->e_name, &p_dn );
 236                 }
 237
 238 #ifdef NEW_LOGGING
 239                 LDAP_LOG( BACK_LDBM, DETAIL1,
 240                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 241 #else
 242                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 243                        p_dn.bv_val, 0, 0 );
 244 #endif
 245
 246         } else {
 247                 /* no parent, must be root to modify rdn */
 248                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 249                 if ( ! isroot ) {
 250                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 251                                 int     can_access;
 252                                 p = (Entry *)&slap_entry_root;
 253
 254                                 can_access = access_allowed( op, p,
 255                                                 children, NULL, ACL_WRITE, NULL );
 256                                 p = NULL;
 257
 258                                 /* check parent for "children" acl */
 259                                 if ( ! can_access ) {
 260 #ifdef NEW_LOGGING
 261                                         LDAP_LOG( BACK_LDBM, ERR,
 262                                                 "ldbm_back_modrdn: no access to parent \"\"\n", 0,0,0 );
 263 #else
 264                                         Debug( LDAP_DEBUG_TRACE,
 265                                                 "<=- ldbm_back_modrdn: no "
 266                                                 "access to parent\n", 0, 0, 0 );
 267 #endif
 268
 269                                         send_ldap_error( op, rs,
 270                                                 LDAP_INSUFFICIENT_ACCESS,
 271                                                 NULL );
 272                                         goto return_results;
 273                                 }
 274
 275                         } else {
 276 #ifdef NEW_LOGGING
 277                                 LDAP_LOG( BACK_LDBM, ERR,
 278                                         "ldbm_back_modrdn: (%s) has no parent & not a root.\n",
 279                                         op->o_ndn, 0, 0 );
 280 #else
 281                                 Debug( LDAP_DEBUG_TRACE,
 282                                         "<=- ldbm_back_modrdn: no parent & "
 283                                         "not root\n", 0, 0, 0);
 284 #endif
 285
 286                                 send_ldap_error( op, rs,
 287                                         LDAP_INSUFFICIENT_ACCESS,
 288                                         NULL );
 289                                 goto return_results;
 290                         }
 291                 }
 292
 293 #ifdef NEW_LOGGING
 294                 LDAP_LOG( BACK_LDBM, INFO,
 295                    "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn, 0, 0 );
 296 #else
 297                 Debug( LDAP_DEBUG_TRACE,
 298                        "ldbm_back_modrdn: no parent, locked root\n",
 299                        0, 0, 0 );
 300 #endif
 301         }
 302
 303         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 304
 305         if ( op->oq_modrdn.rs_newSup != NULL ) {
 306 #ifdef NEW_LOGGING
 307                 LDAP_LOG( BACK_LDBM, DETAIL1,
 308                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 309                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 310 #else
 311                 Debug( LDAP_DEBUG_TRACE,
 312                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 313                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 314 #endif
 315
 316                 np_ndn = op->oq_modrdn.rs_nnewSup;
 317
 318                 /* newSuperior == oldParent? */
 319                 if ( dn_match( &p_ndn, np_ndn ) ) {
 320 #ifdef NEW_LOGGING
 321                         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: "
 322                                 "new parent\"%s\" seems to be the same as the "
 323                                 "old parent \"%s\"\n", op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 324 #else
 325                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 326                                 "new parent\"%s\" seems to be the same as the "
 327                                 "old parent \"%s\"\n",
 328                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 329 #endif
 330
 331                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 332                 }
 333         }
 334
 335         if ( op->oq_modrdn.rs_newSup != NULL ) {
 336                 /* newSuperior == entry being moved?, if so ==> ERROR */
 337                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 338
 339                 if ( op->oq_modrdn.rs_nnewSup->bv_len ) {
 340                         if( (np = dn2entry_w( op->o_bd, np_ndn, NULL )) == NULL) {
 341 #ifdef NEW_LOGGING
 342                                 LDAP_LOG( BACK_LDBM, ERR,
 343                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n",
 344                                         np_ndn->bv_val, 0, 0 );
 345 #else
 346                                 Debug( LDAP_DEBUG_TRACE,
 347                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 348                                     np_ndn->bv_val, 0, 0);
 349 #endif
 350
 351                                 send_ldap_error( op, rs, LDAP_OTHER,
 352                                         "newSuperior not found" );
 353                                 goto return_results;
 354                         }
 355
 356 #ifdef NEW_LOGGING
 357                         LDAP_LOG( BACK_LDBM, DETAIL1,
 358                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 359                                 (void *) np, np->e_id, 0 );
 360 #else
 361                         Debug( LDAP_DEBUG_TRACE,
 362                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 363                                 (void *) np, np->e_id, 0 );
 364 #endif
 365
 366                         /* check newSuperior for "children" acl */
 367                         if ( !access_allowed( op, np, children, NULL,
 368                                               ACL_WRITE, NULL ) )
 369                         {
 370 #ifdef NEW_LOGGING
 371                                 LDAP_LOG( BACK_LDBM, INFO,
 372                                    "ldbm_back_modrdn: no wr to newSup children.\n", 0, 0, 0 );
 373 #else
 374                                 Debug( LDAP_DEBUG_TRACE,
 375                                        "ldbm_back_modrdn: no wr to newSup children\n",
 376                                        0, 0, 0 );
 377 #endif
 378
 379                                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
 380                                 goto return_results;
 381                         }
 382
 383                         if ( is_entry_alias( np ) ) {
 384                                 /* parent is an alias, don't allow add */
 385 #ifdef NEW_LOGGING
 386                                 LDAP_LOG( BACK_LDBM, INFO,
 387                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn,0,0);
 388 #else
 389                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 390 #endif
 391
 392
 393                                 send_ldap_error( op, rs, LDAP_ALIAS_PROBLEM,
 394                                     "newSuperior is an alias" );
 395
 396                                 goto return_results;
 397                         }
 398
 399                         if ( is_entry_referral( np ) ) {
 400                                 /* parent is a referral, don't allow add */
 401 #ifdef NEW_LOGGING
 402                                 LDAP_LOG( BACK_LDBM, INFO,
 403                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 404                                         np->e_dn, 0, 0 );
 405 #else
 406                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 407                                         np->e_dn, 0, 0 );
 408 #endif
 409
 410                                 send_ldap_error( op, rs, LDAP_OTHER,
 411                                     "newSuperior is a referral" );
 412
 413                                 goto return_results;
 414                         }
 415
 416                 } else {
 417
 418                         /* no parent, must be root to modify newSuperior */
 419                         if ( isroot == -1 ) {
 420                                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 421                         }
 422
 423                         if ( ! isroot ) {
 424                                 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 425                                         int     can_access;
 426                                         np = (Entry *)&slap_entry_root;
 427
 428                                         can_access = access_allowed( op, np,
 429                                                         children, NULL, ACL_WRITE, NULL );
 430                                         np = NULL;
 431
 432                                         /* check parent for "children" acl */
 433                                         if ( ! can_access ) {
 434 #ifdef NEW_LOGGING
 435                                                 LDAP_LOG( BACK_LDBM, ERR,
 436                                                         "ldbm_back_modrdn: no access "
 437                                                         "to new superior \"\"\n", 0, 0, 0 );
 438 #else
 439                                                 Debug( LDAP_DEBUG_TRACE,
 440                                                         "<=- ldbm_back_modrdn: no "
 441                                                         "access to new superior\n", 0, 0, 0 );
 442 #endif
 443
 444                                                 send_ldap_error( op, rs,
 445                                                         LDAP_INSUFFICIENT_ACCESS,
 446                                                         NULL );
 447                                                 goto return_results;
 448                                         }
 449
 450                                 } else {
 451 #ifdef NEW_LOGGING
 452                                         LDAP_LOG( BACK_LDBM, ERR,
 453                                                 "ldbm_back_modrdn: \"\" not allowed as new superior\n",
 454                                                 0, 0, 0 );
 455 #else
 456                                         Debug( LDAP_DEBUG_TRACE,
 457                                                 "<=- ldbm_back_modrdn: \"\" "
 458                                                 "not allowed as new superior\n",
 459                                                 0, 0, 0);
 460 #endif
 461
 462                                         send_ldap_error( op, rs,
 463                                                 LDAP_INSUFFICIENT_ACCESS,
 464                                                 NULL );
 465                                         goto return_results;
 466                                 }
 467                         }
 468                 }
 469
 470 #ifdef NEW_LOGGING
 471                 LDAP_LOG( BACK_LDBM, DETAIL1,
 472                         "ldbm_back_modrdn: wr to new parent's children OK.\n", 0, 0, 0 );
 473 #else
 474                 Debug( LDAP_DEBUG_TRACE,
 475                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 476                     0, 0, 0 );
 477 #endif
 478
 479                 new_parent_dn = op->oq_modrdn.rs_newSup;
 480         }
 481
 482         /* Build target dn and make sure target entry doesn't exist already. */
 483         build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn );
 484         dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn, NULL );
 485
 486 #ifdef NEW_LOGGING
 487         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn: new ndn=%s\n",
 488                 new_ndn.bv_val, 0, 0 );
 489 #else
 490         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 491             new_ndn.bv_val, 0, 0 );
 492 #endif
 493
 494         /* check for abandon */
 495         if ( op->o_abandon ) {
 496                 goto return_results;
 497         }
 498
 499         if ( ( rc_id = dn2id ( op->o_bd, &new_ndn, &id ) ) || id != NOID ) {
 500                 /* if (rc_id) something bad happened to ldbm cache */
 501                 rs->sr_err = rc_id ? LDAP_OTHER : LDAP_ALREADY_EXISTS;
 502                 send_ldap_result( op, rs );
 503                 goto return_results;
 504         }
 505
 506 #ifdef NEW_LOGGING
 507         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: new ndn (%s) does not exist\n",
 508                 new_ndn.bv_val, 0, 0 );
 509 #else
 510         Debug( LDAP_DEBUG_TRACE,
 511             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 512             new_ndn.bv_val, 0, 0 );
 513 #endif
 514
 515         /* Get attribute type and attribute value of our new rdn, we will
 516          * need to add that to our new entry
 517          */
 518         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, (char **)&rs->sr_text,
 519                 LDAP_DN_FORMAT_LDAP ) )
 520         {
 521 #ifdef NEW_LOGGING
 522                 LDAP_LOG ( OPERATION, ERR,
 523                         "ldbm_back_modrdn: can't figure out "
 524                         "type(s)/values(s) of newrdn\n",
 525                         0, 0, 0 );
 526 #else
 527                 Debug( LDAP_DEBUG_TRACE,
 528                         "ldbm_back_modrdn: can't figure out "
 529                         "type(s)/values(s) of newrdn\n",
 530                         0, 0, 0 );
 531 #endif
 532                 goto return_results;
 533         }
 534
 535 #ifdef NEW_LOGGING
 536         LDAP_LOG ( OPERATION, RESULTS,
 537                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 538                 "new_rdn_val=\"%s\"\n",
 539                 new_rdn[ 0 ]->la_attr.bv_val,
 540                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 541 #else
 542         Debug( LDAP_DEBUG_TRACE,
 543                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 544                 "new_rdn_val=\"%s\"\n",
 545                 new_rdn[ 0 ]->la_attr.bv_val,
 546                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 547 #endif
 548
 549         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 550                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 551                         LDAP_DN_FORMAT_LDAP ) )
 552                 {
 553 #ifdef NEW_LOGGING
 554                         LDAP_LOG ( OPERATION, ERR,
 555                                 "ldbm_back_modrdn: can't figure out "
 556                                 "type(s)/values(s) of old_rdn\n",
 557                                 0, 0, 0 );
 558 #else
 559                         Debug( LDAP_DEBUG_TRACE,
 560                                 "ldbm_back_modrdn: can't figure out "
 561                                 "the old_rdn type(s)/value(s)\n",
 562                                 0, 0, 0 );
 563 #endif
 564                         goto return_results;
 565                 }
 566         }
 567
 568 #ifdef NEW_LOGGING
 569         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn:  DN_X500\n", 0, 0, 0 );
 570 #else
 571         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 572                0, 0, 0 );
 573 #endif
 574
 575         if ( slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod ) != LDAP_SUCCESS ) {
 576                 goto return_results;
 577         }
 578
 579
 580         /* check for abandon */
 581         if ( op->o_abandon ) {
 582                 goto return_results;
 583         }
 584
 585         /* delete old one */
 586         if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 587                 send_ldap_error( op, rs, LDAP_OTHER,
 588                         "DN index delete fail" );
 589                 goto return_results;
 590         }
 591
 592         (void) cache_delete_entry( &li->li_cache, e );
 593         rc = MUST_DESTROY;
 594
 595         /* XXX: there is no going back! */
 596
 597         free( e->e_dn );
 598         free( e->e_ndn );
 599         e->e_name = new_dn;
 600         e->e_nname = new_ndn;
 601         new_dn.bv_val = NULL;
 602         new_ndn.bv_val = NULL;
 603
 604         /* NOTE: after this you must not free new_dn or new_ndn!
 605          * They are used by cache.
 606          */
 607
 608         /* add new one */
 609         if ( dn2id_add( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 610                 send_ldap_error( op, rs, LDAP_OTHER,
 611                         "DN index add failed" );
 612                 goto return_results;
 613         }
 614
 615         /* modify memory copy of entry */
 616         rc_id = ldbm_modify_internal( op, &mod[0], e,
 617                 &rs->sr_text, textbuf, textlen );
 618         switch ( rc_id ) {
 619         case LDAP_SUCCESS:
 620                 break;
 621
 622         case SLAPD_ABANDON:
 623                 /* too late ... */
 624                 rs->sr_err = rc_id;
 625                 send_ldap_result( op, rs );
 626                 goto return_results;
 627
 628         default:
 629                 /* here we may try to delete the newly added dn */
 630                 if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 631                         /* we already are in trouble ... */
 632                         ;
 633                 }
 634                 goto return_results;
 635         }
 636
 637         (void) cache_update_entry( &li->li_cache, e );
 638
 639         /* id2entry index */
 640         if ( id2entry_add( op->o_bd, e ) != 0 ) {
 641                 send_ldap_error( op, rs, LDAP_OTHER,
 642                         "entry update failed" );
 643                 goto return_results;
 644         }
 645
 646         rs->sr_err = LDAP_SUCCESS;
 647         send_ldap_result( op, rs );
 648         rc = 0;
 649         cache_entry_commit( e );
 650
 651 return_results:
 652         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 653         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 654
 655         /* LDAP v2 supporting correct attribute handling. */
 656         if ( new_rdn != NULL ) {
 657                 ldap_rdnfree( new_rdn );
 658         }
 659         if ( old_rdn != NULL ) {
 660                 ldap_rdnfree( old_rdn );
 661         }
 662         if ( mod != NULL ) {
 663                 Modifications *tmp;
 664                 for (; mod; mod = tmp ) {
 665                         if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
 666                         tmp = mod->sml_next;
 667                         free( mod );
 668                 }
 669         }
 670
 671         /* LDAP v3 Support */
 672         if( np != NULL ) {
 673                 /* free new parent and writer lock */
 674                 cache_return_entry_w( &li->li_cache, np );
 675         }
 676
 677         if( p != NULL ) {
 678                 /* free parent and writer lock */
 679                 cache_return_entry_w( &li->li_cache, p );
 680         }
 681
 682         /* free entry and writer lock */
 683         cache_return_entry_w( &li->li_cache, e );
 684         if ( rc == MUST_DESTROY ) {
 685                 /* if rc == MUST_DESTROY the entry is uncached
 686                  * and its private data is destroyed;
 687                  * the entry must be freed */
 688                 entry_free( e );
 689         }
 690         ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 691         return( rc );
 692 }