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