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