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     Backend     *be,
  38     Connection  *conn,
  39     Operation   *op,
  40     struct berval       *dn,
  41     struct berval       *ndn,
  42     struct berval       *newrdn,
  43     struct berval       *nnewrdn,
  44     int         deleteoldrdn,
  45     struct berval       *newSuperior,
  46     struct berval       *nnewSuperior
  47 )
  48 {
  49         AttributeDescription *children = slap_schema.si_ad_children;
  50         AttributeDescription *entry = slap_schema.si_ad_entry;
  51         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  52         struct berval   p_dn, p_ndn;
  53         struct berval   new_dn = { 0, NULL}, new_ndn = { 0, NULL };
  54         Entry           *e, *p = NULL;
  55         Entry           *matched;
  56         /* LDAP v2 supporting correct attribute handling. */
  57         LDAPRDN         *new_rdn = NULL;
  58         LDAPRDN         *old_rdn = NULL;
  59         int             isroot = -1;
  60 #define CAN_ROLLBACK    -1
  61 #define MUST_DESTROY    1
  62         int             rc = CAN_ROLLBACK;
  63         int             rc_id = 0;
  64         ID              id = NOID;
  65         const char      *text = NULL;
  66         char            textbuf[SLAP_TEXT_BUFLEN];
  67         size_t          textlen = sizeof textbuf;
  68         /* Added to support newSuperior */
  69         Entry           *np = NULL;     /* newSuperior Entry */
  70         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  71         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  72         /* Used to interface with ldbm_modify_internal() */
  73         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  74         int             manageDSAit = get_manageDSAit( op );
  75
  76 #ifdef NEW_LOGGING
  77         LDAP_LOG( BACK_LDBM, ENTRY,
  78                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  79                 dn->bv_len ? dn->bv_val : "NULL",
  80                 ( newSuperior && newSuperior->bv_len ) ? newSuperior->bv_val : "NULL",0 );
  81 #else
  82         Debug( LDAP_DEBUG_TRACE,
  83                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  84                 dn->bv_len ? dn->bv_val : "NULL",
  85                 ( newSuperior && newSuperior->bv_len )
  86                         ? newSuperior->bv_val : "NULL", 0 );
  87 #endif
  88
  89         /* grab giant lock for writing */
  90         ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
  91
  92         /* get entry with writer lock */
  93         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  94                 char* matched_dn = NULL;
  95                 BerVarray refs;
  96
  97                 if( matched != NULL ) {
  98                         matched_dn = strdup( matched->e_dn );
  99                         refs = is_entry_referral( matched )
 100                                 ? get_entry_referrals( be, conn, op, matched )
 101                                 : NULL;
 102                         cache_return_entry_r( &li->li_cache, matched );
 103                 } else {
 104                         refs = referral_rewrite( default_referral,
 105                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 106                 }
 107
 108                 ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 109
 110                 send_ldap_result( conn, op, LDAP_REFERRAL,
 111                         matched_dn, NULL, refs, NULL );
 112
 113                 if ( refs ) ber_bvarray_free( refs );
 114                 free( matched_dn );
 115
 116                 return( -1 );
 117         }
 118
 119         /* check entry for "entry" acl */
 120         if ( ! access_allowed( be, conn, op, e,
 121                 entry, NULL, ACL_WRITE, NULL ) )
 122         {
 123 #ifdef NEW_LOGGING
 124                 LDAP_LOG( BACK_LDBM, ERR,
 125                         "ldbm_back_modrdn: no write access to entry of (%s)\n",
 126                         dn->bv_val, 0, 0 );
 127 #else
 128                 Debug( LDAP_DEBUG_TRACE,
 129                         "<=- ldbm_back_modrdn: no write access to entry\n", 0,
 130                         0, 0 );
 131 #endif
 132
 133                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 134                         NULL, "no write access to entry", NULL, NULL );
 135
 136                 goto return_results;
 137         }
 138
 139         if (!manageDSAit && is_entry_referral( e ) ) {
 140                 /* parent is a referral, don't allow add */
 141                 /* parent is an alias, don't allow add */
 142                 BerVarray refs = get_entry_referrals( be,
 143                         conn, op, e );
 144
 145 #ifdef NEW_LOGGING
 146                 LDAP_LOG( BACK_LDBM, INFO,
 147                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn, 0, 0 );
 148 #else
 149                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 150                     0, 0 );
 151 #endif
 152
 153                 send_ldap_result( conn, op, LDAP_REFERRAL,
 154                     e->e_dn, NULL, refs, NULL );
 155
 156                 if ( refs ) ber_bvarray_free( refs );
 157                 goto return_results;
 158         }
 159
 160         if ( has_children( be, e ) ) {
 161 #ifdef NEW_LOGGING
 162                 LDAP_LOG( BACK_LDBM, INFO,
 163                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn, 0, 0 );
 164 #else
 165                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 166                     0, 0 );
 167 #endif
 168
 169                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 170                     NULL, "subtree rename not supported", NULL, NULL );
 171                 goto return_results;
 172         }
 173
 174         if ( be_issuffix( be, &e->e_nname ) ) {
 175                 p_ndn = slap_empty_bv ;
 176         } else {
 177                 dnParent( &e->e_nname, &p_ndn );
 178         }
 179
 180         if ( p_ndn.bv_len != 0 ) {
 181                 /* Make sure parent entry exist and we can write its
 182                  * children.
 183                  */
 184
 185                 if( (p = dn2entry_w( be, &p_ndn, NULL )) == NULL) {
 186 #ifdef NEW_LOGGING
 187                         LDAP_LOG( BACK_LDBM, INFO,
 188                                 "ldbm_back_modrdn: parent of %s does not exist\n",
 189                                 e->e_ndn, 0, 0 );
 190 #else
 191                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 192                                 0, 0, 0);
 193 #endif
 194
 195                         send_ldap_result( conn, op, LDAP_OTHER,
 196                                 NULL, "parent entry does not exist", NULL, NULL );
 197
 198                         goto return_results;
 199                 }
 200
 201                 /* check parent for "children" acl */
 202                 if ( ! access_allowed( be, conn, op, p,
 203                         children, NULL, ACL_WRITE, NULL ) )
 204                 {
 205 #ifdef NEW_LOGGING
 206                         LDAP_LOG( BACK_LDBM, INFO,
 207                                 "ldbm_back_modrdn: no access to parent of (%s)\n",
 208                                 e->e_dn, 0, 0 );
 209 #else
 210                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 211                                 0, 0 );
 212 #endif
 213
 214                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 215                                 NULL, NULL, NULL, NULL );
 216                         goto return_results;
 217                 }
 218
 219 #ifdef NEW_LOGGING
 220                 LDAP_LOG( BACK_LDBM, DETAIL1,
 221                         "ldbm_back_modrdn: wr to children of entry %s OK\n",
 222                         p_ndn.bv_val, 0, 0 );
 223 #else
 224                 Debug( LDAP_DEBUG_TRACE,
 225                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 226                        p_ndn.bv_val, 0, 0 );
 227 #endif
 228
 229                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 230                         p_dn = slap_empty_bv;
 231                 } else {
 232                         dnParent( &e->e_name, &p_dn );
 233                 }
 234
 235 #ifdef NEW_LOGGING
 236                 LDAP_LOG( BACK_LDBM, DETAIL1,
 237                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
 238 #else
 239                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 240                        p_dn.bv_val, 0, 0 );
 241 #endif
 242
 243         } else {
 244                 /* no parent, must be root to modify rdn */
 245                 isroot = be_isroot( be, &op->o_ndn );
 246                 if ( ! isroot ) {
 247                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 248                                 int     can_access;
 249                                 p = (Entry *)&slap_entry_root;
 250
 251                                 can_access = access_allowed( be, conn, op, p,
 252                                                 children, NULL, ACL_WRITE, NULL );
 253                                 p = NULL;
 254
 255                                 /* check parent for "children" acl */
 256                                 if ( ! can_access ) {
 257 #ifdef NEW_LOGGING
 258                                         LDAP_LOG( BACK_LDBM, ERR,
 259                                                 "ldbm_back_modrdn: no access to parent \"\"\n", 0,0,0 );
 260 #else
 261                                         Debug( LDAP_DEBUG_TRACE,
 262                                                 "<=- ldbm_back_modrdn: no "
 263                                                 "access to parent\n", 0, 0, 0 );
 264 #endif
 265
 266                                         send_ldap_result( conn, op,
 267                                                 LDAP_INSUFFICIENT_ACCESS,
 268                                                 NULL, NULL, NULL, NULL );
 269                                         goto return_results;
 270                                 }
 271
 272                         } else {
 273 #ifdef NEW_LOGGING
 274                                 LDAP_LOG( BACK_LDBM, ERR,
 275                                         "ldbm_back_modrdn: (%s) has no parent & not a root.\n",
 276                                         dn, 0, 0 );
 277 #else
 278                                 Debug( LDAP_DEBUG_TRACE,
 279                                         "<=- ldbm_back_modrdn: no parent & "
 280                                         "not root\n", 0, 0, 0);
 281 #endif
 282
 283                                 send_ldap_result( conn, op,
 284                                         LDAP_INSUFFICIENT_ACCESS,
 285                                         NULL, NULL, NULL, NULL );
 286                                 goto return_results;
 287                         }
 288                 }
 289
 290 #ifdef NEW_LOGGING
 291                 LDAP_LOG( BACK_LDBM, INFO,
 292                    "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn, 0, 0 );
 293 #else
 294                 Debug( LDAP_DEBUG_TRACE,
 295                        "ldbm_back_modrdn: no parent, locked root\n",
 296                        0, 0, 0 );
 297 #endif
 298         }
 299
 300         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 301
 302         if ( newSuperior != NULL ) {
 303 #ifdef NEW_LOGGING
 304                 LDAP_LOG( BACK_LDBM, DETAIL1,
 305                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 306                         newSuperior->bv_val, 0, 0 );
 307 #else
 308                 Debug( LDAP_DEBUG_TRACE,
 309                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 310                         newSuperior->bv_val, 0, 0 );
 311 #endif
 312
 313                 np_ndn = nnewSuperior;
 314
 315                 /* newSuperior == oldParent? */
 316                 if ( dn_match( &p_ndn, np_ndn ) ) {
 317 #ifdef NEW_LOGGING
 318                         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: "
 319                                 "new parent\"%s\" seems to be the same as the "
 320                                 "old parent \"%s\"\n", newSuperior->bv_val, p_dn.bv_val, 0 );
 321 #else
 322                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 323                                 "new parent\"%s\" seems to be the same as the "
 324                                 "old parent \"%s\"\n",
 325                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 326 #endif
 327
 328                         newSuperior = NULL; /* ignore newSuperior */
 329                 }
 330         }
 331
 332         if ( newSuperior != NULL ) {
 333                 /* newSuperior == entry being moved?, if so ==> ERROR */
 334                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 335
 336                 if ( nnewSuperior->bv_len ) {
 337                         if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 338 #ifdef NEW_LOGGING
 339                                 LDAP_LOG( BACK_LDBM, ERR,
 340                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n",
 341                                         np_ndn->bv_val, 0, 0 );
 342 #else
 343                                 Debug( LDAP_DEBUG_TRACE,
 344                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 345                                     np_ndn->bv_val, 0, 0);
 346 #endif
 347
 348                                 send_ldap_result( conn, op, LDAP_OTHER,
 349                                         NULL, "newSuperior not found", NULL, NULL );
 350                                 goto return_results;
 351                         }
 352
 353 #ifdef NEW_LOGGING
 354                         LDAP_LOG( BACK_LDBM, DETAIL1,
 355                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 356                                 np, np->e_id, 0 );
 357 #else
 358                         Debug( LDAP_DEBUG_TRACE,
 359                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 360                                 np, np->e_id, 0 );
 361 #endif
 362
 363                         /* check newSuperior for "children" acl */
 364                         if ( !access_allowed( be, conn, op, np, children, NULL,
 365                                               ACL_WRITE, NULL ) )
 366                         {
 367 #ifdef NEW_LOGGING
 368                                 LDAP_LOG( BACK_LDBM, INFO,
 369                                    "ldbm_back_modrdn: no wr to newSup children.\n", 0, 0, 0 );
 370 #else
 371                                 Debug( LDAP_DEBUG_TRACE,
 372                                        "ldbm_back_modrdn: no wr to newSup children\n",
 373                                        0, 0, 0 );
 374 #endif
 375
 376                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 377                                         NULL, NULL, NULL, NULL );
 378                                 goto return_results;
 379                         }
 380
 381                         if ( is_entry_alias( np ) ) {
 382                                 /* parent is an alias, don't allow add */
 383 #ifdef NEW_LOGGING
 384                                 LDAP_LOG( BACK_LDBM, INFO,
 385                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn,0,0);
 386 #else
 387                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 388 #endif
 389
 390
 391                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 392                                     NULL, "newSuperior is an alias", NULL, NULL );
 393
 394                                 goto return_results;
 395                         }
 396
 397                         if ( is_entry_referral( np ) ) {
 398                                 /* parent is a referral, don't allow add */
 399 #ifdef NEW_LOGGING
 400                                 LDAP_LOG( BACK_LDBM, INFO,
 401                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 402                                         np->e_dn, 0, 0 );
 403 #else
 404                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 405                                         np->e_dn, 0, 0 );
 406 #endif
 407
 408                                 send_ldap_result( conn, op, LDAP_OTHER,
 409                                     NULL, "newSuperior is a referral", NULL, NULL );
 410
 411                                 goto return_results;
 412                         }
 413
 414                 } else {
 415
 416                         /* no parent, must be root to modify newSuperior */
 417                         if ( isroot == -1 ) {
 418                                 isroot = be_isroot( be, &op->o_ndn );
 419                         }
 420
 421                         if ( ! isroot ) {
 422                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 423                                         int     can_access;
 424                                         np = (Entry *)&slap_entry_root;
 425
 426                                         can_access = access_allowed( be, conn, op, np,
 427                                                         children, NULL, ACL_WRITE, NULL );
 428                                         np = NULL;
 429
 430                                         /* check parent for "children" acl */
 431                                         if ( ! can_access ) {
 432 #ifdef NEW_LOGGING
 433                                                 LDAP_LOG( BACK_LDBM, ERR,
 434                                                         "ldbm_back_modrdn: no access "
 435                                                         "to new superior \"\"\n", 0, 0, 0 );
 436 #else
 437                                                 Debug( LDAP_DEBUG_TRACE,
 438                                                         "<=- ldbm_back_modrdn: no "
 439                                                         "access to new superior\n", 0, 0, 0 );
 440 #endif
 441
 442                                                 send_ldap_result( conn, op,
 443                                                         LDAP_INSUFFICIENT_ACCESS,
 444                                                         NULL, NULL, NULL, NULL );
 445                                                 goto return_results;
 446                                         }
 447
 448                                 } else {
 449 #ifdef NEW_LOGGING
 450                                         LDAP_LOG( BACK_LDBM, ERR,
 451                                                 "ldbm_back_modrdn: \"\" not allowed as new superior\n",
 452                                                 0, 0, 0 );
 453 #else
 454                                         Debug( LDAP_DEBUG_TRACE,
 455                                                 "<=- ldbm_back_modrdn: \"\" "
 456                                                 "not allowed as new superior\n",
 457                                                 0, 0, 0);
 458 #endif
 459
 460                                         send_ldap_result( conn, op,
 461                                                 LDAP_INSUFFICIENT_ACCESS,
 462                                                 NULL, NULL, NULL, NULL );
 463                                         goto return_results;
 464                                 }
 465                         }
 466                 }
 467
 468 #ifdef NEW_LOGGING
 469                 LDAP_LOG( BACK_LDBM, DETAIL1,
 470                         "ldbm_back_modrdn: wr to new parent's children OK.\n", 0, 0, 0 );
 471 #else
 472                 Debug( LDAP_DEBUG_TRACE,
 473                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 474                     0, 0, 0 );
 475 #endif
 476
 477                 new_parent_dn = newSuperior;
 478         }
 479
 480         /* Build target dn and make sure target entry doesn't exist already. */
 481         build_new_dn( &new_dn, new_parent_dn, newrdn );
 482         dnNormalize2( NULL, &new_dn, &new_ndn );
 483
 484 #ifdef NEW_LOGGING
 485         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn: new ndn=%s\n",
 486                 new_ndn.bv_val, 0, 0 );
 487 #else
 488         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 489             new_ndn.bv_val, 0, 0 );
 490 #endif
 491
 492         /* check for abandon */
 493         if ( op->o_abandon ) {
 494                 goto return_results;
 495         }
 496
 497         if ( ( rc_id = dn2id ( be, &new_ndn, &id ) ) || id != NOID ) {
 498                 /* if (rc_id) something bad happened to ldbm cache */
 499                 send_ldap_result( conn, op,
 500                         rc_id ? LDAP_OTHER : LDAP_ALREADY_EXISTS,
 501                         NULL, NULL, NULL, NULL );
 502                 goto return_results;
 503         }
 504
 505 #ifdef NEW_LOGGING
 506         LDAP_LOG( BACK_LDBM, INFO, "ldbm_back_modrdn: new ndn (%s) does not exist\n",
 507                 new_ndn.bv_val, 0, 0 );
 508 #else
 509         Debug( LDAP_DEBUG_TRACE,
 510             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 511             new_ndn.bv_val, 0, 0 );
 512 #endif
 513
 514         /* Get attribute type and attribute value of our new rdn, we will
 515          * need to add that to our new entry
 516          */
 517         if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
 518                 LDAP_DN_FORMAT_LDAP ) )
 519         {
 520 #ifdef NEW_LOGGING
 521                 LDAP_LOG ( OPERATION, ERR,
 522                         "ldbm_back_modrdn: can't figure out "
 523                         "type(s)/values(s) of newrdn\n",
 524                         0, 0, 0 );
 525 #else
 526                 Debug( LDAP_DEBUG_TRACE,
 527                         "ldbm_back_modrdn: can't figure out "
 528                         "type(s)/values(s) of newrdn\n",
 529                         0, 0, 0 );
 530 #endif
 531                 goto return_results;
 532         }
 533
 534 #ifdef NEW_LOGGING
 535         LDAP_LOG ( OPERATION, RESULTS,
 536                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 537                 "new_rdn_val=\"%s\"\n",
 538                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 539                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 540 #else
 541         Debug( LDAP_DEBUG_TRACE,
 542                 "ldbm_back_modrdn: new_rdn_type=\"%s\", "
 543                 "new_rdn_val=\"%s\"\n",
 544                 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
 545                 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
 546 #endif
 547
 548         if ( deleteoldrdn ) {
 549                 if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
 550                         LDAP_DN_FORMAT_LDAP ) )
 551                 {
 552 #ifdef NEW_LOGGING
 553                         LDAP_LOG ( OPERATION, ERR,
 554                                 "ldbm_back_modrdn: can't figure out "
 555                                 "type(s)/values(s) of old_rdn\n",
 556                                 0, 0, 0 );
 557 #else
 558                         Debug( LDAP_DEBUG_TRACE,
 559                                 "ldbm_back_modrdn: can't figure out "
 560                                 "the old_rdn type(s)/value(s)\n",
 561                                 0, 0, 0 );
 562 #endif
 563                         goto return_results;
 564                 }
 565         }
 566
 567 #ifdef NEW_LOGGING
 568         LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_back_modrdn:  DN_X500\n", 0, 0, 0 );
 569 #else
 570         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 571                0, 0, 0 );
 572 #endif
 573
 574         if ( slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn,
 575                         deleteoldrdn, &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( be, &e->e_nname, e->e_id ) != 0 ) {
 587                 send_ldap_result( conn, op, LDAP_OTHER,
 588                         NULL, "DN index delete fail", NULL, NULL );
 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( be, &e->e_nname, e->e_id ) != 0 ) {
 610                 send_ldap_result( conn, op, LDAP_OTHER,
 611                         NULL, "DN index add failed", NULL, NULL );
 612                 goto return_results;
 613         }
 614
 615         /* modify memory copy of entry */
 616         rc_id = ldbm_modify_internal( be, conn, op, dn->bv_val, &mod[0], e,
 617                 &text, textbuf, textlen );
 618         switch ( rc_id ) {
 619         case LDAP_SUCCESS:
 620                 break;
 621
 622         case SLAPD_ABANDON:
 623                 /* too late ... */
 624                 send_ldap_result( conn, op, rc_id, NULL, text, NULL, NULL );
 625                 goto return_results;
 626
 627         default:
 628                 /* here we may try to delete the newly added dn */
 629                 if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 630                         /* we already are in trouble ... */
 631                         ;
 632                 }
 633                 goto return_results;
 634         }
 635
 636         (void) cache_update_entry( &li->li_cache, e );
 637
 638         /* id2entry index */
 639         if ( id2entry_add( be, e ) != 0 ) {
 640                 send_ldap_result( conn, op, LDAP_OTHER,
 641                         NULL, "entry update failed", NULL, NULL );
 642                 goto return_results;
 643         }
 644
 645         send_ldap_result( conn, op, LDAP_SUCCESS,
 646                 NULL, NULL, NULL, NULL );
 647         rc = 0;
 648         cache_entry_commit( e );
 649
 650 return_results:
 651         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 652         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 653
 654         /* LDAP v2 supporting correct attribute handling. */
 655         if ( new_rdn != NULL ) {
 656                 ldap_rdnfree( new_rdn );
 657         }
 658         if ( old_rdn != NULL ) {
 659                 ldap_rdnfree( old_rdn );
 660         }
 661         if ( mod != NULL ) {
 662                 Modifications *tmp;
 663                 for (; mod; mod = tmp ) {
 664                         tmp = mod->sml_next;
 665                         free( mod );
 666                 }
 667         }
 668
 669         /* LDAP v3 Support */
 670         if( np != NULL ) {
 671                 /* free new parent and writer lock */
 672                 cache_return_entry_w( &li->li_cache, np );
 673         }
 674
 675         if( p != NULL ) {
 676                 /* free parent and writer lock */
 677                 cache_return_entry_w( &li->li_cache, p );
 678         }
 679
 680         /* free entry and writer lock */
 681         cache_return_entry_w( &li->li_cache, e );
 682         if ( rc == MUST_DESTROY ) {
 683                 /* if rc == MUST_DESTROY the entry is uncached
 684                  * and its private data is destroyed;
 685                  * the entry must be freed */
 686                 entry_free( e );
 687         }
 688         ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 689         return( rc );
 690 }