git.sur5r.net Git - openldap/blob - servers/slapd/back-ldbm/modrdn.c

   1 /* modrdn.c - ldbm backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 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     const char  *dn,
  41     const char  *ndn,
  42     const char  *newrdn,
  43     int         deleteoldrdn,
  44     const char  *newSuperior
  45 )
  46 {
  47         AttributeDescription *children = slap_schema.si_ad_children;
  48         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  49         char            *p_dn = NULL, *p_ndn = NULL;
  50         char            *new_dn = NULL, *new_ndn = NULL;
  51         Entry           *e, *p = NULL;
  52         Entry           *matched;
  53         int             rootlock = 0;
  54 #define CAN_ROLLBACK    -1
  55 #define MUST_DESTROY    1
  56         int             rc = CAN_ROLLBACK;
  57         int             rc_id = 0;
  58         ID              id = NOID;
  59         const char *text = NULL;
  60         char textbuf[SLAP_TEXT_BUFLEN];
  61         size_t textlen = sizeof textbuf;
  62         /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
  63         char            **new_rdn_vals = NULL;  /* Vals of new rdn */
  64         char            **new_rdn_types = NULL; /* Types of new rdn */
  65         int             a_cnt, d_cnt;
  66         char            *old_rdn = NULL;        /* Old rdn's attr type & val */
  67         char            **old_rdn_types = NULL; /* Types of old rdn attrs. */
  68         char            **old_rdn_vals = NULL;  /* Old rdn attribute values */
  69         /* Added to support newSuperior */
  70         Entry           *np = NULL;     /* newSuperior Entry */
  71         char            *np_dn = NULL;  /* newSuperior dn */
  72         char            *np_ndn = NULL; /* newSuperior ndn */
  73         char            *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  74         /* Used to interface with ldbm_modify_internal() */
  75         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  76         int             manageDSAit = get_manageDSAit( op );
  77
  78 #ifdef NEW_LOGGING
  79         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  80                    "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  81                    dn ? dn : "NULL", newSuperior ? newSuperior : "NULL" ));
  82 #else
  83         Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
  84                (newSuperior ? newSuperior : "NULL"),
  85                0, 0 );
  86 #endif
  87
  88         /* get entry with writer lock */
  89         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  90                 char* matched_dn = NULL;
  91                 struct berval** refs = NULL;
  92
  93                 if( matched != NULL ) {
  94                         matched_dn = strdup( matched->e_dn );
  95                         refs = is_entry_referral( matched )
  96                                 ? get_entry_referrals( be, conn, op, matched )
  97                                 : NULL;
  98                         cache_return_entry_r( &li->li_cache, matched );
  99                 } else {
 100                         refs = default_referral;
 101                 }
 102
 103                 send_ldap_result( conn, op, LDAP_REFERRAL,
 104                         matched_dn, NULL, refs, NULL );
 105
 106                 if ( matched != NULL ) {
 107                         ber_bvecfree( refs );
 108                         free( matched_dn );
 109                 }
 110
 111                 return( -1 );
 112         }
 113
 114         if (!manageDSAit && is_entry_referral( e ) ) {
 115                 /* parent is a referral, don't allow add */
 116                 /* parent is an alias, don't allow add */
 117                 struct berval **refs = get_entry_referrals( be,
 118                         conn, op, e );
 119
 120 #ifdef NEW_LOGGING
 121                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 122                            "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
 123 #else
 124                 Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
 125                     0, 0 );
 126 #endif
 127
 128                 send_ldap_result( conn, op, LDAP_REFERRAL,
 129                     e->e_dn, NULL, refs, NULL );
 130
 131                 ber_bvecfree( refs );
 132                 goto return_results;
 133         }
 134
 135         if ( has_children( be, e ) ) {
 136 #ifdef NEW_LOGGING
 137                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 138                            "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
 139 #else
 140                 Debug( LDAP_DEBUG_TRACE, "entry %s referral\n", e->e_dn,
 141                     0, 0 );
 142 #endif
 143
 144                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 145                     NULL, "subtree rename not supported", NULL, NULL );
 146                 goto return_results;
 147         }
 148
 149         if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL && p_ndn[0] != '\0' ) {
 150                 /* Make sure parent entry exist and we can write its
 151                  * children.
 152                  */
 153
 154                 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
 155 #ifdef NEW_LOGGING
 156                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 157                                    "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
 158 #else
 159                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 160                                 0, 0, 0);
 161 #endif
 162
 163                         send_ldap_result( conn, op, LDAP_OTHER,
 164                                 NULL, "parent entry does not exist", NULL, NULL );
 165
 166                         goto return_results;
 167                 }
 168
 169                 /* check parent for "children" acl */
 170                 if ( ! access_allowed( be, conn, op, p,
 171                         children, NULL, ACL_WRITE ) )
 172                 {
 173 #ifdef NEW_LOGGING
 174                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 175                                    "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
 176 #else
 177                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 178                                 0, 0 );
 179 #endif
 180
 181                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 182                                 NULL, NULL, NULL, NULL );
 183                         goto return_results;
 184                 }
 185
 186 #ifdef NEW_LOGGING
 187                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 188                            "ldbm_back_modrdn: wr to children of entry %s OK\n",
 189                            p_ndn ));
 190 #else
 191                 Debug( LDAP_DEBUG_TRACE,
 192                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 193                        p_ndn, 0, 0 );
 194 #endif
 195
 196                 p_dn = dn_parent( be, e->e_dn );
 197
 198 #ifdef NEW_LOGGING
 199                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 200                            "ldbm_back_modrdn: parent dn=%s\n", p_dn ));
 201 #else
 202                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 203                        p_dn, 0, 0 );
 204 #endif
 205
 206         } else {
 207                 /* no parent, modrdn entry directly under root */
 208                 if( ! be_isroot( be, op->o_ndn ) && ! be_issuffix( be, "" ) ) {
 209 #ifdef NEW_LOGGING
 210                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 211                                    "ldbm_back_modrdn: (%s) no parent & not a root.\n",
 212                                    e->e_dn ));
 213 #else
 214                         Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
 215                                 0, 0, 0);
 216 #endif
 217
 218                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 219                                 NULL, NULL, NULL, NULL );
 220                         goto return_results;
 221                 }
 222
 223                 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
 224                 rootlock = 1;
 225
 226 #ifdef NEW_LOGGING
 227                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 228                            "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
 229 #else
 230                 Debug( LDAP_DEBUG_TRACE,
 231                        "ldbm_back_modrdn: no parent, locked root\n",
 232                        0, 0, 0 );
 233 #endif
 234         }
 235
 236         new_parent_dn = p_dn;   /* New Parent unless newSuperior given */
 237
 238         if ( newSuperior != NULL ) {
 239 #ifdef NEW_LOGGING
 240                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 241                            "ldbm_back_modrdn: new parent \"%s\" requested\n", newSuperior ));
 242 #else
 243                 Debug( LDAP_DEBUG_TRACE,
 244                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 245                         newSuperior, 0, 0 );
 246 #endif
 247
 248                 np_dn = ch_strdup( newSuperior );
 249                 np_ndn = ch_strdup( np_dn );
 250                 (void) dn_normalize( np_ndn );
 251
 252                 /* newSuperior == oldParent? */
 253                 if ( strcmp( p_ndn, np_ndn ) == 0 ) {
 254 #ifdef NEW_LOGGING
 255                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 256                                    "ldbm_back_modrdn: new parent\"%s\" seems to be the same as the old parent \"%s\"\n",
 257                                    newSuperior, p_dn ));
 258 #else
 259                         Debug( LDAP_DEBUG_TRACE,
 260                                "ldbm_back_modrdn: new parent \"%s\" seems to be the same as old parent \"%s\"...\n",
 261                                newSuperior, p_dn, 0 );
 262 #endif
 263
 264                         newSuperior = NULL; /* ignore newSuperior */
 265                 }
 266         }
 267
 268         if ( newSuperior != NULL ) {
 269                 /* newSuperior == entry being moved?, if so ==> ERROR */
 270                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 271
 272                 if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 273 #ifdef NEW_LOGGING
 274                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 275                                    "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn ));
 276 #else
 277                         Debug( LDAP_DEBUG_TRACE,
 278                                "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 279                                np_ndn, 0, 0);
 280 #endif
 281
 282                         send_ldap_result( conn, op, LDAP_OTHER,
 283                                 NULL, "newSuperior not found", NULL, NULL );
 284                         goto return_results;
 285                 }
 286
 287 #ifdef NEW_LOGGING
 288                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 289                            "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 290                            np, np->e_id ));
 291 #else
 292                 Debug( LDAP_DEBUG_TRACE,
 293                        "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 294                        np, np->e_id, 0 );
 295 #endif
 296
 297                 /* check newSuperior for "children" acl */
 298                 if ( !access_allowed( be, conn, op, np, children, NULL,
 299                                       ACL_WRITE ) )
 300                 {
 301 #ifdef NEW_LOGGING
 302                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 303                                    "ldbm_back_modrdn: no wr to newSup children.\n" ));
 304 #else
 305                         Debug( LDAP_DEBUG_TRACE,
 306                                "ldbm_back_modrdn: no wr to newSup children\n",
 307                                0, 0, 0 );
 308 #endif
 309
 310                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 311                                 NULL, NULL, NULL, NULL );
 312                         goto return_results;
 313                 }
 314
 315                 if ( is_entry_alias( np ) ) {
 316                         /* entry is an alias, don't allow bind */
 317 #ifdef NEW_LOGGING
 318                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 319                                    "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
 320 #else
 321                         Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
 322                             0, 0 );
 323 #endif
 324
 325
 326                         send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 327                             NULL, "newSuperior is an alias", NULL, NULL );
 328
 329                         goto return_results;
 330                 }
 331
 332                 if ( is_entry_referral( np ) ) {
 333                         /* parent is a referral, don't allow add */
 334                         /* parent is an alias, don't allow add */
 335 #ifdef NEW_LOGGING
 336                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 337                                    "ldbm_back_modrdn: entry (%s) is a referral\n",
 338                                    np->e_dn ));
 339 #else
 340                         Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
 341                                 0, 0 );
 342 #endif
 343
 344                         send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 345                             NULL, "newSuperior is a referral", NULL, NULL );
 346
 347                         goto return_results;
 348                 }
 349
 350 #ifdef NEW_LOGGING
 351                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 352                            "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
 353 #else
 354                 Debug( LDAP_DEBUG_TRACE,
 355                        "ldbm_back_modrdn: wr to new parent's children OK\n",
 356                        0, 0 , 0 );
 357 #endif
 358
 359                 new_parent_dn = np_dn;
 360         }
 361
 362         /* Build target dn and make sure target entry doesn't exist already. */
 363         build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
 364
 365         new_ndn = ch_strdup(new_dn);
 366         (void) dn_normalize( new_ndn );
 367
 368 #ifdef NEW_LOGGING
 369         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 370                    "ldbm_back_modrdn: new ndn=%s\n", new_ndn ));
 371 #else
 372         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 373                new_ndn, 0, 0 );
 374 #endif
 375
 376         /* check for abandon */
 377         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 378         if ( op->o_abandon ) {
 379                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 380                 goto return_results;
 381         }
 382
 383         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 384         if ( ( rc_id = dn2id ( be, new_ndn, &id ) ) || id != NOID ) {
 385                 /* if (rc_id) something bad happened to ldbm cache */
 386                 send_ldap_result( conn, op,
 387                         rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
 388                         NULL, NULL, NULL, NULL );
 389                 goto return_results;
 390         }
 391
 392 #ifdef NEW_LOGGING
 393         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 394                    "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn ));
 395 #else
 396         Debug( LDAP_DEBUG_TRACE,
 397                "ldbm_back_modrdn: new ndn=%s does not exist\n",
 398                new_ndn, 0, 0 );
 399 #endif
 400
 401
 402         /* Get attribute types and values of our new rdn, we will
 403          * need to add that to our new entry
 404          */
 405         if ( rdn_attrs( newrdn, &new_rdn_types, &new_rdn_vals ) ) {
 406 #ifdef NEW_LOGGING
 407                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 408                            "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
 409 #else
 410                 Debug( LDAP_DEBUG_TRACE,
 411                        "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
 412                        0, 0, 0 );
 413 #endif
 414
 415                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 416                         NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
 417                 goto return_results;
 418         }
 419
 420 #ifdef NEW_LOGGING
 421         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 422                    "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 423                    new_rdn_vals[0], new_rdn_types[0] ));
 424 #else
 425         Debug( LDAP_DEBUG_TRACE,
 426                "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 427                new_rdn_vals[0], new_rdn_types[0], 0 );
 428 #endif
 429
 430         /* Retrieve the old rdn from the entry's dn */
 431         if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
 432 #ifdef NEW_LOGGING
 433                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 434                            "ldbm_back_modrdn: can't figure out old_rdn from dn (%s)\n",
 435                            dn ));
 436 #else
 437                 Debug( LDAP_DEBUG_TRACE,
 438                        "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
 439                        0, 0, 0 );
 440 #endif
 441
 442                 send_ldap_result( conn, op, LDAP_OTHER,
 443                         NULL, "could not parse old DN", NULL, NULL );
 444                 goto return_results;
 445         }
 446
 447         if ( rdn_attrs( old_rdn, &old_rdn_types, &old_rdn_vals ) ) {
 448 #ifdef NEW_LOGGING
 449                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 450                            "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
 451 #else
 452                 Debug( LDAP_DEBUG_TRACE,
 453                        "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
 454                        0, 0, 0 );
 455 #endif
 456
 457                 send_ldap_result( conn, op, LDAP_OTHER,
 458                         NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
 459                 goto return_results;
 460         }
 461
 462         if ( newSuperior == NULL
 463                 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
 464         {
 465             /* Not a big deal but we may say something */
 466 #ifdef NEW_LOGGING
 467             LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 468                        "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
 469                        old_rdn_types[0], new_rdn_types[0] ));
 470 #else
 471             Debug( LDAP_DEBUG_TRACE,
 472                    "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
 473                    old_rdn_types[0], new_rdn_types[0], 0 );
 474 #endif
 475         }
 476
 477 #ifdef NEW_LOGGING
 478         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 479                    "ldbm_back_modrdn:  DN_X500\n" ));
 480 #else
 481         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 482                0, 0, 0 );
 483 #endif
 484
 485         mod = NULL;
 486         for ( a_cnt = 0; new_rdn_types[a_cnt]; a_cnt++ ) {
 487                 int rc;
 488                 Modifications *mod_tmp;
 489                 struct berval val;
 490
 491                 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 492
 493                 mod_tmp->sml_desc = NULL;
 494                 rc = slap_str2ad( new_rdn_types[a_cnt],
 495                                 &mod_tmp->sml_desc, &text );
 496
 497                 if ( rc != LDAP_SUCCESS ) {
 498 #ifdef NEW_LOGGING
 499                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 500                                    "ldbm_back_modrdn: slap_str2ad error: %s (%s)\n",
 501                                    text, new_rdn_types[a_cnt] ));
 502 #else
 503                         Debug( LDAP_DEBUG_TRACE,
 504                                 "ldbm_back_modrdn: %s: %s (new)\n",
 505                                 text, new_rdn_types[a_cnt], 0 );
 506 #endif
 507
 508                         send_ldap_result( conn, op, rc,
 509                                 NULL, text, NULL, NULL );
 510
 511                         goto return_results;
 512                 }
 513
 514                 val.bv_val = new_rdn_vals[a_cnt];
 515                 val.bv_len = strlen( val.bv_val );
 516                 if ( ! access_allowed( be, conn, op, p,
 517                                 mod_tmp->sml_desc, &val, ACL_WRITE ) ) {
 518 #ifdef NEW_LOGGING
 519                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 520                                    "ldbm_back_modrdn: access "
 521                                    "not allowed to attr \"%s\"\n",
 522                                    new_rdn_types[a_cnt] ));
 523 #else
 524                         Debug( LDAP_DEBUG_TRACE,
 525                                 "ldbm_back_modrdn: access not allowed "
 526                                 "to attr \"%s\"\n%s%s",
 527                                 new_rdn_types[a_cnt], "", "" );
 528 #endif
 529                         send_ldap_result( conn, op,
 530                                 LDAP_INSUFFICIENT_ACCESS,
 531                                 NULL, NULL, NULL, NULL );
 532
 533                         goto return_results;
 534                 }
 535
 536                 mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 537                 mod_tmp->sml_bvalues[0] = ber_bvstrdup( new_rdn_vals[a_cnt] );
 538                 mod_tmp->sml_bvalues[1] = NULL;
 539                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 540                 mod_tmp->sml_next = mod;
 541                 mod = mod_tmp;
 542         }
 543
 544         /* Remove old rdn value if required */
 545         if ( deleteoldrdn ) {
 546                 /* Get value of old rdn */
 547                 if ( old_rdn_vals == NULL ) {
 548 #ifdef NEW_LOGGING
 549                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 550                                    "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
 551 #else
 552                         Debug( LDAP_DEBUG_TRACE,
 553                                "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
 554                                0, 0, 0 );
 555 #endif
 556
 557                         send_ldap_result( conn, op, LDAP_OTHER,
 558                                 NULL, "could not parse value(s) from old RDN", NULL, NULL );
 559                         goto return_results;
 560                 }
 561
 562                 for ( d_cnt = 0; old_rdn_types[d_cnt]; d_cnt++ ) {
 563                         int rc;
 564                         Modifications *mod_tmp;
 565                         struct berval val;
 566
 567                         mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 568
 569                         mod_tmp->sml_desc = NULL;
 570                         rc = slap_str2ad( old_rdn_types[d_cnt],
 571                                         &mod_tmp->sml_desc, &text );
 572
 573                         if ( rc != LDAP_SUCCESS ) {
 574 #ifdef NEW_LOGGING
 575                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 576                                            "ldbm_back_modrdn: %s: %s (old)\n",
 577                                            text, old_rdn_types[d_cnt] ));
 578 #else
 579                                 Debug( LDAP_DEBUG_TRACE,
 580                                         "ldbm_back_modrdn: %s: %s (old)\n",
 581                                         text, old_rdn_types[d_cnt], 0 );
 582 #endif
 583
 584                                 send_ldap_result( conn, op, rc,
 585                                         NULL, text, NULL, NULL );
 586
 587                                 goto return_results;
 588                         }
 589
 590                         val.bv_val = old_rdn_vals[d_cnt];
 591                         val.bv_len = strlen( val.bv_val );
 592                         if ( ! access_allowed( be, conn, op, p,
 593                                         mod_tmp->sml_desc, &val, ACL_WRITE ) ) {
 594 #ifdef NEW_LOGGING
 595                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 596                                            "ldbm_back_modrdn: access "
 597                                            "not allowed to attr \"%s\"\n",
 598                                            old_rdn_types[d_cnt] ));
 599 #else
 600                                 Debug( LDAP_DEBUG_TRACE,
 601                                         "ldbm_back_modrdn: access not allowed "
 602                                         "to attr \"%s\"\n%s%s",
 603                                         old_rdn_types[d_cnt], "", "" );
 604 #endif
 605                                 send_ldap_result( conn, op,
 606                                         LDAP_INSUFFICIENT_ACCESS,
 607                                         NULL, NULL, NULL, NULL );
 608
 609                                 goto return_results;
 610                         }
 611
 612                         /* Remove old value of rdn as an attribute. */
 613                         mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 614                         mod_tmp->sml_bvalues[0] = ber_bvstrdup( old_rdn_vals[d_cnt] );
 615                         mod_tmp->sml_bvalues[1] = NULL;
 616                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 617                         mod_tmp->sml_next = mod;
 618                         mod = mod_tmp;
 619
 620 #ifdef NEW_LOGGING
 621                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 622                                    "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn_vals[0] ));
 623 #else
 624                         Debug( LDAP_DEBUG_TRACE,
 625                                "ldbm_back_modrdn: removing old_rdn_val=%s\n",
 626                                old_rdn_vals[0], 0, 0 );
 627 #endif
 628                 }
 629         }
 630
 631
 632         /* check for abandon */
 633         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 634         if ( op->o_abandon ) {
 635                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 636                 goto return_results;
 637         }
 638         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 639
 640         /* delete old one */
 641         if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 642                 send_ldap_result( conn, op, LDAP_OTHER,
 643                         NULL, "DN index delete fail", NULL, NULL );
 644                 goto return_results;
 645         }
 646
 647         (void) cache_delete_entry( &li->li_cache, e );
 648         rc = MUST_DESTROY;
 649
 650         /* XXX: there is no going back! */
 651
 652         free( e->e_dn );
 653         free( e->e_ndn );
 654         e->e_dn = new_dn;
 655         e->e_ndn = new_ndn;
 656         new_dn = NULL;
 657         new_ndn = NULL;
 658
 659         /* add new one */
 660         if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
 661                 send_ldap_result( conn, op, LDAP_OTHER,
 662                         NULL, "DN index add failed", NULL, NULL );
 663                 goto return_results;
 664         }
 665
 666         /* modify memory copy of entry */
 667         rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e,
 668                 &text, textbuf, textlen );
 669
 670         if( rc != LDAP_SUCCESS ) {
 671                 if( rc != SLAPD_ABANDON ) {
 672                         send_ldap_result( conn, op, rc,
 673                                 NULL, text, NULL, NULL );
 674                 }
 675
 676                 /* here we may try to delete the newly added dn */
 677                 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 678                         /* we already are in trouble ... */
 679                         ;
 680                 }
 681
 682                 goto return_results;
 683         }
 684
 685         (void) cache_update_entry( &li->li_cache, e );
 686
 687         /* NOTE: after this you must not free new_dn or new_ndn!
 688          * They are used by cache.
 689          */
 690
 691         /* id2entry index */
 692         if ( id2entry_add( be, e ) != 0 ) {
 693                 send_ldap_result( conn, op, LDAP_OTHER,
 694                         NULL, "entry update failed", NULL, NULL );
 695                 goto return_results;
 696         }
 697
 698         send_ldap_result( conn, op, LDAP_SUCCESS,
 699                 NULL, NULL, NULL, NULL );
 700         rc = 0;
 701         cache_entry_commit( e );
 702
 703 return_results:
 704         if( new_dn != NULL ) free( new_dn );
 705         if( new_ndn != NULL ) free( new_ndn );
 706
 707         if( p_dn != NULL ) free( p_dn );
 708         if( p_ndn != NULL ) free( p_ndn );
 709
 710         /* LDAP v2 supporting correct attribute handling. */
 711         if( new_rdn_types != NULL ) charray_free( new_rdn_types );
 712         if( new_rdn_vals != NULL ) charray_free( new_rdn_vals );
 713         if( old_rdn != NULL ) free(old_rdn);
 714         if( old_rdn_types != NULL ) charray_free( old_rdn_types );
 715         if( old_rdn_vals != NULL ) charray_free( old_rdn_vals );
 716
 717         if ( mod != NULL ) {
 718                 slap_mods_free( mod );
 719         }
 720
 721         /* LDAP v3 Support */
 722         if ( np_dn != NULL ) free( np_dn );
 723         if ( np_ndn != NULL ) free( np_ndn );
 724
 725         if( np != NULL ) {
 726                 /* free new parent and writer lock */
 727                 cache_return_entry_w( &li->li_cache, np );
 728         }
 729
 730         if( p != NULL ) {
 731                 /* free parent and writer lock */
 732                 cache_return_entry_w( &li->li_cache, p );
 733         }
 734
 735         if ( rootlock ) {
 736                 /* release root writer lock */
 737                 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
 738         }
 739
 740         /* free entry and writer lock */
 741         cache_return_entry_w( &li->li_cache, e );
 742         if ( rc == MUST_DESTROY ) {
 743                 /* if rc == MUST_DESTROY the entry is uncached
 744                  * and its private data is destroyed;
 745                  * the entry must be freed */
 746                 entry_free( e );
 747         }
 748         return( rc );
 749 }