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         /* FIXME: dn2entry() should return non-glue entry */
  87         if (( e == NULL  ) || ( !manageDSAit && e && is_entry_glue( e ))) {
  88                 if ( matched != NULL ) {
  89                         rs->sr_matched = strdup( matched->e_dn );
  90                         rs->sr_ref = is_entry_referral( matched )
  91                                 ? get_entry_referrals( op, matched )
  92                                 : NULL;
  93                         cache_return_entry_r( &li->li_cache, matched );
  94                 } else {
  95                         BerVarray deref = op->o_bd->be_syncinfo ?
  96                                 op->o_bd->be_syncinfo->si_provideruri_bv : default_referral;
  97                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
  98                                 LDAP_SCOPE_DEFAULT );
  99                 }
 100
 101                 ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 102
 103                 rs->sr_err = LDAP_REFERRAL;
 104                 send_ldap_result( op, rs );
 105
 106                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 107                 free( (char *)rs->sr_matched );
 108                 rs->sr_ref = NULL;
 109                 rs->sr_matched = NULL;
 110                 return rs->sr_err;
 111         }
 112
 113         /* check entry for "entry" acl */
 114         if ( ! access_allowed( op, e,
 115                 entry, NULL, ACL_WRITE, NULL ) )
 116         {
 117 #ifdef NEW_LOGGING
 118                 LDAP_LOG( BACK_LDBM, ERR,
 119                         "ldbm_back_modrdn: no write access to entry of (%s)\n",
 120                         op->o_req_dn.bv_val, 0, 0 );
 121 #else
 122                 Debug( LDAP_DEBUG_TRACE,
 123                         "<=- ldbm_back_modrdn: no write access to entry\n", 0,
 124                         0, 0 );
 125 #endif
 126
 127                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 128                         "no write access to entry" );
 129
 130                 goto return_results;
 131         }
 132
 133         if (!manageDSAit && is_entry_referral( e ) ) {
 134                 /* parent is a referral, don't allow add */
 135                 /* parent is an alias, don't allow add */
 136                 rs->sr_ref = get_entry_referrals( op, e );
 137
 138 #ifdef NEW_LOGGING
 139                 LDAP_LOG( BACK_LDBM, INFO,
 140                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn, 0, 0 );
 141 #else
 142                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 143                     0, 0 );
 144 #endif
 145
 146                 rs->sr_err = LDAP_REFERRAL;
 147                 rs->sr_matched = e->e_name.bv_val;
 148                 send_ldap_result( op, rs );
 149
 150                 if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
 151                 rs->sr_ref = NULL;
 152                 rs->sr_matched = NULL;
 153                 goto return_results;
 154         }
 155
 156         if ( has_children( op->o_bd, e ) ) {
 157 #ifdef NEW_LOGGING
 158                 LDAP_LOG( BACK_LDBM, INFO,
 159                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn, 0, 0 );
 160 #else
 161                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 162                     0, 0 );
 163 #endif
 164
 165                 send_ldap_error( op, rs, LDAP_NOT_ALLOWED_ON_NONLEAF,
 166                     "subtree rename not supported" );
 167                 goto return_results;
 168         }
 169
 170         if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
 171                 p_ndn = slap_empty_bv ;
 172         } else {
 173                 dnParent( &e->e_nname, &p_ndn );
 174         }
 175
 176         if ( p_ndn.bv_len != 0 ) {
 177                 /* Make sure parent entry exist and we can write its
 178                  * children.
 179                  */
 180
 181                 if( (p = dn2entry_w( op->o_bd, &p_ndn, NULL )) == NULL) {
 182 #ifdef NEW_LOGGING
 183                         LDAP_LOG( BACK_LDBM, INFO,
 184                                 "ldbm_back_modrdn: parent of %s does not exist\n",
 185                                 e->e_ndn, 0, 0 );
 186 #else
 187                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 188                                 0, 0, 0);
 189 #endif
 190
 191                         send_ldap_error( op, rs, LDAP_OTHER,
 192                                 "parent entry does not exist" );
 193
 194                         goto return_results;
 195                 }
 196
 197                 /* check parent for "children" acl */
 198                 if ( ! access_allowed( op, p,
 199                         children, NULL, ACL_WRITE, NULL ) )
 200                 {
 201 #ifdef NEW_LOGGING
 202                         LDAP_LOG( BACK_LDBM, INFO,
 203                                 "ldbm_back_modrdn: no access to parent of (%s)\n",
 204                                 e->e_dn, 0, 0 );
 205 #else
 206                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 207                                 0, 0 );
 208 #endif
 209
 210                         send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
 211                                 NULL );
 212                         goto return_results;
 213                 }
 214
 215 #ifdef NEW_LOGGING
 216                 LDAP_LOG( BACK_LDBM, DETAIL1,
 217                         "ldbm_back_modrdn: wr to children of entry %s OK\n",
 218                         p_ndn.bv_val, 0, 0 );
 219 #else
 220                 Debug( LDAP_DEBUG_TRACE,
 221                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 222                        p_ndn.bv_val, 0, 0 );
 223 #endif
 224
 225                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 226                         p_dn = slap_empty_bv;
 227                 } else {
 228                         dnParent( &e->e_name, &p_dn );
 229                 }
 230
 231 #ifdef NEW_LOGGING
 232                 LDAP_LOG( BACK_LDBM, DETAIL1,
 233                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 234 #else
 235                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 236                        p_dn.bv_val, 0, 0 );
 237 #endif
 238
 239         } else {
 240                 /* no parent, must be root to modify rdn */
 241                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 242                 if ( ! isroot ) {
 243                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 244                                 int     can_access;
 245                                 p = (Entry *)&slap_entry_root;
 246
 247                                 can_access = access_allowed( op, p,
 248                                                 children, NULL, ACL_WRITE, NULL );
 249                                 p = NULL;
 250
 251                                 /* check parent for "children" acl */
 252                                 if ( ! can_access ) {
 253 #ifdef NEW_LOGGING
 254                                         LDAP_LOG( BACK_LDBM, ERR,
 255                                                 "ldbm_back_modrdn: no access to parent \"\"\n", 0,0,0 );
 256 #else
 257                                         Debug( LDAP_DEBUG_TRACE,
 258                                                 "<=- ldbm_back_modrdn: no "
 259                                                 "access to parent\n", 0, 0, 0 );
 260 #endif
 261
 262                                         send_ldap_error( op, rs,
 263                                                 LDAP_INSUFFICIENT_ACCESS,
 264                                                 NULL );
 265                                         goto return_results;
 266                                 }
 267
 268                         } else {
 269 #ifdef NEW_LOGGING
 270                                 LDAP_LOG( BACK_LDBM, ERR,
 271                                         "ldbm_back_modrdn: (%s) has no parent & not a root.\n",
 272                                         op->o_ndn, 0, 0 );
 273 #else
 274                                 Debug( LDAP_DEBUG_TRACE,
 275                                         "<=- ldbm_back_modrdn: no parent & "
 276                                         "not root\n", 0, 0, 0);
 277 #endif
 278
 279                                 send_ldap_error( op, rs,
 280                                         LDAP_INSUFFICIENT_ACCESS,
 281                                         NULL );
 282                                 goto return_results;
 283                         }
 284                 }
 285
 286 #ifdef NEW_LOGGING
 287                 LDAP_LOG( BACK_LDBM, INFO,
 288                    "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn, 0, 0 );
 289 #else
 290                 Debug( LDAP_DEBUG_TRACE,
 291                        "ldbm_back_modrdn: no parent, locked root\n",
 292                        0, 0, 0 );
 293 #endif
 294         }
 295
 296         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 297
 298         if ( op->oq_modrdn.rs_newSup != NULL ) {
 299 #ifdef NEW_LOGGING
 300                 LDAP_LOG( BACK_LDBM, DETAIL1,
 301                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 302                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 303 #else
 304                 Debug( LDAP_DEBUG_TRACE,
 305                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 306                         op->oq_modrdn.rs_newSup->bv_val, 0, 0 );
 307 #endif
 308
 309                 np_ndn = op->oq_modrdn.rs_nnewSup;
 310
 311                 /* newSuperior == oldParent? */
 312                 if ( dn_match( &p_ndn, np_ndn ) ) {
 313 #ifdef NEW_LOGGING
 314                         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: "
 315                                 "new parent\"%s\" seems to be the same as the "
 316                                 "old parent \"%s\"\n", op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 317 #else
 318                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 319                                 "new parent\"%s\" seems to be the same as the "
 320                                 "old parent \"%s\"\n",
 321                                 op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
 322 #endif
 323
 324                         op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
 325                 }
 326         }
 327
 328         if ( op->oq_modrdn.rs_newSup != NULL ) {
 329                 /* newSuperior == entry being moved?, if so ==> ERROR */
 330                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 331
 332                 if ( op->oq_modrdn.rs_nnewSup->bv_len ) {
 333                         if( (np = dn2entry_w( op->o_bd, np_ndn, NULL )) == NULL) {
 334 #ifdef NEW_LOGGING
 335                                 LDAP_LOG( BACK_LDBM, ERR,
 336                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n",
 337                                         np_ndn->bv_val, 0, 0 );
 338 #else
 339                                 Debug( LDAP_DEBUG_TRACE,
 340                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 341                                     np_ndn->bv_val, 0, 0);
 342 #endif
 343
 344                                 send_ldap_error( op, rs, LDAP_OTHER,
 345                                         "newSuperior not found" );
 346                                 goto return_results;
 347                         }
 348
 349 #ifdef NEW_LOGGING
 350                         LDAP_LOG( BACK_LDBM, DETAIL1,
 351                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 352                                 (void *) np, np->e_id, 0 );
 353 #else
 354                         Debug( LDAP_DEBUG_TRACE,
 355                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 356                                 (void *) np, np->e_id, 0 );
 357 #endif
 358
 359                         /* check newSuperior for "children" acl */
 360                         if ( !access_allowed( op, np, children, NULL,
 361                                               ACL_WRITE, NULL ) )
 362                         {
 363 #ifdef NEW_LOGGING
 364                                 LDAP_LOG( BACK_LDBM, INFO,
 365                                    "ldbm_back_modrdn: no wr to newSup children.\n", 0, 0, 0 );
 366 #else
 367                                 Debug( LDAP_DEBUG_TRACE,
 368                                        "ldbm_back_modrdn: no wr to newSup children\n",
 369                                        0, 0, 0 );
 370 #endif
 371
 372                                 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS, NULL );
 373                                 goto return_results;
 374                         }
 375
 376                         if ( is_entry_alias( np ) ) {
 377                                 /* parent is an alias, don't allow add */
 378 #ifdef NEW_LOGGING
 379                                 LDAP_LOG( BACK_LDBM, INFO,
 380                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn,0,0);
 381 #else
 382                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 383 #endif
 384
 385
 386                                 send_ldap_error( op, rs, LDAP_ALIAS_PROBLEM,
 387                                     "newSuperior is an alias" );
 388
 389                                 goto return_results;
 390                         }
 391
 392                         if ( is_entry_referral( np ) ) {
 393                                 /* parent is a referral, don't allow add */
 394 #ifdef NEW_LOGGING
 395                                 LDAP_LOG( BACK_LDBM, INFO,
 396                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 397                                         np->e_dn, 0, 0 );
 398 #else
 399                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 400                                         np->e_dn, 0, 0 );
 401 #endif
 402
 403                                 send_ldap_error( op, rs, LDAP_OTHER,
 404                                     "newSuperior is a referral" );
 405
 406                                 goto return_results;
 407                         }
 408
 409                 } else {
 410
 411                         /* no parent, must be root to modify newSuperior */
 412                         if ( isroot == -1 ) {
 413                                 isroot = be_isroot( op->o_bd, &op->o_ndn );
 414                         }
 415
 416                         if ( ! isroot ) {
 417                                 if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
 418                                         int     can_access;
 419                                         np = (Entry *)&slap_entry_root;
 420
 421                                         can_access = access_allowed( op, np,
 422                                                         children, NULL, ACL_WRITE, NULL );
 423                                         np = NULL;
 424
 425                                         /* check parent for "children" acl */
 426                                         if ( ! can_access ) {
 427 #ifdef NEW_LOGGING
 428                                                 LDAP_LOG( BACK_LDBM, ERR,
 429                                                         "ldbm_back_modrdn: no access "
 430                                                         "to new superior \"\"\n", 0, 0, 0 );
 431 #else
 432                                                 Debug( LDAP_DEBUG_TRACE,
 433                                                         "<=- ldbm_back_modrdn: no "
 434                                                         "access to new superior\n", 0, 0, 0 );
 435 #endif
 436
 437                                                 send_ldap_error( op, rs,
 438                                                         LDAP_INSUFFICIENT_ACCESS,
 439                                                         NULL );
 440                                                 goto return_results;
 441                                         }
 442
 443                                 } else {
 444 #ifdef NEW_LOGGING
 445                                         LDAP_LOG( BACK_LDBM, ERR,
 446                                                 "ldbm_back_modrdn: \"\" not allowed as new superior\n",
 447                                                 0, 0, 0 );
 448 #else
 449                                         Debug( LDAP_DEBUG_TRACE,
 450                                                 "<=- ldbm_back_modrdn: \"\" "
 451                                                 "not allowed as new superior\n",
 452                                                 0, 0, 0);
 453 #endif
 454
 455                                         send_ldap_error( op, rs,
 456                                                 LDAP_INSUFFICIENT_ACCESS,
 457                                                 NULL );
 458                                         goto return_results;
 459                                 }
 460                         }
 461                 }
 462
 463 #ifdef NEW_LOGGING
 464                 LDAP_LOG( BACK_LDBM, DETAIL1,
 465                         "ldbm_back_modrdn: wr to new parent's children OK.\n", 0, 0, 0 );
 466 #else
 467                 Debug( LDAP_DEBUG_TRACE,
 468                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 469                     0, 0, 0 );
 470 #endif
 471
 472                 new_parent_dn = op->oq_modrdn.rs_newSup;
 473         }
 474
 475         /* Build target dn and make sure target entry doesn't exist already. */
 476         build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL );
 477         dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn, NULL );
 478
 479 #ifdef NEW_LOGGING
 480         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn: new ndn=%s\n",
 481                 new_ndn.bv_val, 0, 0 );
 482 #else
 483         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 484             new_ndn.bv_val, 0, 0 );
 485 #endif
 486
 487         /* check for abandon */
 488         if ( op->o_abandon ) {
 489                 goto return_results;
 490         }
 491
 492         if ( ( rc_id = dn2id ( op->o_bd, &new_ndn, &id ) ) || id != NOID ) {
 493                 /* if (rc_id) something bad happened to ldbm cache */
 494                 rs->sr_err = rc_id ? LDAP_OTHER : LDAP_ALREADY_EXISTS;
 495                 send_ldap_result( op, rs );
 496                 goto return_results;
 497         }
 498
 499 #ifdef NEW_LOGGING
 500         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: new ndn (%s) does not exist\n",
 501                 new_ndn.bv_val, 0, 0 );
 502 #else
 503         Debug( LDAP_DEBUG_TRACE,
 504             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 505             new_ndn.bv_val, 0, 0 );
 506 #endif
 507
 508         /* Get attribute type and attribute value of our new rdn, we will
 509          * need to add that to our new entry
 510          */
 511         if ( ldap_bv2rdn( &op->oq_modrdn.rs_newrdn, &new_rdn, (char **)&rs->sr_text,
 512                 LDAP_DN_FORMAT_LDAP ) )
 513         {
 514 #ifdef NEW_LOGGING
 515                 LDAP_LOG ( OPERATION, ERR,
 516                         "ldbm_back_modrdn: can't figure out "
 517                         "type(s)/values(s) of newrdn\n",
 518                         0, 0, 0 );
 519 #else
 520                 Debug( LDAP_DEBUG_TRACE,
 521                         "ldbm_back_modrdn: can't figure out "
 522                         "type(s)/values(s) of newrdn\n",
 523                         0, 0, 0 );
 524 #endif
 525                 goto return_results;
 526         }
 527
 528 #ifdef NEW_LOGGING
 529         LDAP_LOG ( OPERATION, RESULTS,
 530                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 531                 "new_rdn_val=\"%s\"\n",
 532                 new_rdn[ 0 ]->la_attr.bv_val,
 533                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 534 #else
 535         Debug( LDAP_DEBUG_TRACE,
 536                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 537                 "new_rdn_val=\"%s\"\n",
 538                 new_rdn[ 0 ]->la_attr.bv_val,
 539                 new_rdn[ 0 ]->la_value.bv_val, 0 );
 540 #endif
 541
 542         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 543                 if ( ldap_bv2rdn( &op->o_req_dn, &old_rdn, (char **)&rs->sr_text,
 544                         LDAP_DN_FORMAT_LDAP ) )
 545                 {
 546 #ifdef NEW_LOGGING
 547                         LDAP_LOG ( OPERATION, ERR,
 548                                 "ldbm_back_modrdn: can't figure out "
 549                                 "type(s)/values(s) of old_rdn\n",
 550                                 0, 0, 0 );
 551 #else
 552                         Debug( LDAP_DEBUG_TRACE,
 553                                 "ldbm_back_modrdn: can't figure out "
 554                                 "the old_rdn type(s)/value(s)\n",
 555                                 0, 0, 0 );
 556 #endif
 557                         goto return_results;
 558                 }
 559         }
 560
 561 #ifdef NEW_LOGGING
 562         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn:  DN_X500\n", 0, 0, 0 );
 563 #else
 564         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 565                0, 0, 0 );
 566 #endif
 567
 568         if ( slap_modrdn2mods( op, rs, e, old_rdn, new_rdn, &mod ) != LDAP_SUCCESS ) {
 569                 goto return_results;
 570         }
 571
 572
 573         /* check for abandon */
 574         if ( op->o_abandon ) {
 575                 goto return_results;
 576         }
 577
 578         /* delete old one */
 579         if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 580                 send_ldap_error( op, rs, LDAP_OTHER,
 581                         "DN index delete fail" );
 582                 goto return_results;
 583         }
 584
 585         (void) cache_delete_entry( &li->li_cache, e );
 586         rc = MUST_DESTROY;
 587
 588         /* XXX: there is no going back! */
 589
 590         free( e->e_dn );
 591         free( e->e_ndn );
 592         e->e_name = new_dn;
 593         e->e_nname = new_ndn;
 594         new_dn.bv_val = NULL;
 595         new_ndn.bv_val = NULL;
 596
 597         /* NOTE: after this you must not free new_dn or new_ndn!
 598          * They are used by cache.
 599          */
 600
 601         /* add new one */
 602         if ( dn2id_add( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 603                 send_ldap_error( op, rs, LDAP_OTHER,
 604                         "DN index add failed" );
 605                 goto return_results;
 606         }
 607
 608         /* modify memory copy of entry */
 609         rc_id = ldbm_modify_internal( op, &mod[0], e,
 610                 &rs->sr_text, textbuf, textlen );
 611         switch ( rc_id ) {
 612         case LDAP_SUCCESS:
 613                 break;
 614
 615         case SLAPD_ABANDON:
 616                 /* too late ... */
 617                 rs->sr_err = rc_id;
 618                 send_ldap_result( op, rs );
 619                 goto return_results;
 620
 621         default:
 622                 /* here we may try to delete the newly added dn */
 623                 if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
 624                         /* we already are in trouble ... */
 625                         ;
 626                 }
 627                 goto return_results;
 628         }
 629
 630         (void) cache_update_entry( &li->li_cache, e );
 631
 632         /* id2entry index */
 633         if ( id2entry_add( op->o_bd, e ) != 0 ) {
 634                 send_ldap_error( op, rs, LDAP_OTHER,
 635                         "entry update failed" );
 636                 goto return_results;
 637         }
 638
 639         rs->sr_err = LDAP_SUCCESS;
 640         rs->sr_text = NULL;
 641         send_ldap_result( op, rs );
 642         rc = 0;
 643         cache_entry_commit( e );
 644
 645 return_results:
 646         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 647         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 648
 649         /* LDAP v2 supporting correct attribute handling. */
 650         if ( new_rdn != NULL ) {
 651                 ldap_rdnfree( new_rdn );
 652         }
 653         if ( old_rdn != NULL ) {
 654                 ldap_rdnfree( old_rdn );
 655         }
 656         if ( mod != NULL ) {
 657                 Modifications *tmp;
 658                 for (; mod; mod = tmp ) {
 659                         /* slap_modrdn2mods does things one way,
 660                          * slap_mods_opattrs does it differently
 661                          */
 662                         if ( mod->sml_op != SLAP_MOD_SOFTADD &&
 663                                 mod->sml_op != LDAP_MOD_DELETE ) break;
 664                         if ( mod->sml_nvalues ) free( mod->sml_nvalues[0].bv_val );
 665                         tmp = mod->sml_next;
 666                         free( mod );
 667                 }
 668                 slap_mods_free( mod );
 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         rs->sr_text = NULL;
 692         return( rc );
 693 }