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

   1 /* modrdn.c - ldbm backend modrdn routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 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         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  51         struct berval   p_dn, p_ndn;
  52         struct berval   new_dn = { 0, NULL}, new_ndn = { 0, NULL };
  53         Entry           *e, *p = NULL;
  54         Entry           *matched;
  55         int             isroot = -1;
  56         int             rootlock = 0;
  57 #define CAN_ROLLBACK    -1
  58 #define MUST_DESTROY    1
  59         int             rc = CAN_ROLLBACK;
  60         int             rc_id = 0;
  61         ID              id = NOID;
  62         const char *text = NULL;
  63         char textbuf[SLAP_TEXT_BUFLEN];
  64         size_t textlen = sizeof textbuf;
  65         /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
  66         LDAPRDN         *new_rdn;
  67         LDAPRDN         *old_rdn;
  68         int             a_cnt, d_cnt;
  69         /* Added to support newSuperior */
  70         Entry           *np = NULL;     /* newSuperior Entry */
  71         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  72         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  73         /* Used to interface with ldbm_modify_internal() */
  74         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  75         int             manageDSAit = get_manageDSAit( op );
  76
  77 #ifdef NEW_LOGGING
  78         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  79                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  80                 dn->bv_len ? dn->bv_val : "NULL",
  81                 ( newSuperior && newSuperior->bv_len )
  82                         ? newSuperior->bv_val : "NULL" ));
  83 #else
  84         Debug( LDAP_DEBUG_TRACE,
  85                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  86                 dn->bv_len ? dn->bv_val : "NULL",
  87                 ( newSuperior && newSuperior->bv_len )
  88                         ? newSuperior->bv_val : "NULL", 0 );
  89 #endif
  90
  91         /* get entry with writer lock */
  92         if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
  93                 char* matched_dn = NULL;
  94                 BerVarray refs;
  95
  96                 if( matched != NULL ) {
  97                         matched_dn = strdup( matched->e_dn );
  98                         refs = is_entry_referral( matched )
  99                                 ? get_entry_referrals( be, conn, op, matched )
 100                                 : NULL;
 101                         cache_return_entry_r( &li->li_cache, matched );
 102                 } else {
 103                         refs = referral_rewrite( default_referral,
 104                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 105                 }
 106
 107                 send_ldap_result( conn, op, LDAP_REFERRAL,
 108                         matched_dn, NULL, refs, NULL );
 109
 110                 if ( refs ) ber_bvarray_free( refs );
 111                 free( matched_dn );
 112
 113                 return( -1 );
 114         }
 115
 116         if (!manageDSAit && is_entry_referral( e ) ) {
 117                 /* parent is a referral, don't allow add */
 118                 /* parent is an alias, don't allow add */
 119                 BerVarray refs = get_entry_referrals( be,
 120                         conn, op, e );
 121
 122 #ifdef NEW_LOGGING
 123                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 124                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
 125 #else
 126                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 127                     0, 0 );
 128 #endif
 129
 130                 send_ldap_result( conn, op, LDAP_REFERRAL,
 131                     e->e_dn, NULL, refs, NULL );
 132
 133                 if ( refs ) ber_bvarray_free( refs );
 134                 goto return_results;
 135         }
 136
 137         if ( has_children( be, e ) ) {
 138 #ifdef NEW_LOGGING
 139                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 140                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
 141 #else
 142                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 143                     0, 0 );
 144 #endif
 145
 146                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 147                     NULL, "subtree rename not supported", NULL, NULL );
 148                 goto return_results;
 149         }
 150
 151         if ( be_issuffix( be, &e->e_nname ) ) {
 152                 p_ndn = slap_empty_bv ;
 153         } else {
 154                 dnParent( &e->e_nname, &p_ndn );
 155         }
 156
 157         if ( p_ndn.bv_len != 0 ) {
 158                 /* Make sure parent entry exist and we can write its
 159                  * children.
 160                  */
 161
 162                 if( (p = dn2entry_w( be, &p_ndn, NULL )) == NULL) {
 163 #ifdef NEW_LOGGING
 164                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 165                                 "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
 166 #else
 167                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 168                                 0, 0, 0);
 169 #endif
 170
 171                         send_ldap_result( conn, op, LDAP_OTHER,
 172                                 NULL, "parent entry does not exist", NULL, NULL );
 173
 174                         goto return_results;
 175                 }
 176
 177                 /* check parent for "children" acl */
 178                 if ( ! access_allowed( be, conn, op, p,
 179                         children, NULL, ACL_WRITE ) )
 180                 {
 181 #ifdef NEW_LOGGING
 182                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 183                                    "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
 184 #else
 185                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 186                                 0, 0 );
 187 #endif
 188
 189                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 190                                 NULL, NULL, NULL, NULL );
 191                         goto return_results;
 192                 }
 193
 194 #ifdef NEW_LOGGING
 195                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 196                            "ldbm_back_modrdn: wr to children of entry %s OK\n",
 197                            p_ndn.bv_val ));
 198 #else
 199                 Debug( LDAP_DEBUG_TRACE,
 200                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 201                        p_ndn.bv_val, 0, 0 );
 202 #endif
 203
 204                 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
 205                         p_dn = slap_empty_bv;
 206                 } else {
 207                         dnParent( &e->e_name, &p_dn );
 208                 }
 209
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 212                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val ));
 213 #else
 214                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 215                        p_dn.bv_val, 0, 0 );
 216 #endif
 217
 218         } else {
 219                 /* no parent, must be root to modify rdn */
 220                 isroot = be_isroot( be, &op->o_ndn );
 221                 if ( ! isroot ) {
 222                         if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 223                                 p = (Entry *)&slap_entry_root;
 224
 225                                 rc = access_allowed( be, conn, op, p,
 226                                                 children, NULL, ACL_WRITE );
 227                                 p = NULL;
 228
 229                                 /* check parent for "children" acl */
 230                                 if ( ! rc ) {
 231 #ifdef NEW_LOGGING
 232                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 233                                                 "ldbm_back_modrdn: no access "
 234                                                 "to parent \"\"\n" ));
 235 #else
 236                                         Debug( LDAP_DEBUG_TRACE,
 237                                                 "<=- ldbm_back_modrdn: no "
 238                                                 "access to parent\n", 0, 0, 0 );
 239 #endif
 240
 241                                         send_ldap_result( conn, op,
 242                                                 LDAP_INSUFFICIENT_ACCESS,
 243                                                 NULL, NULL, NULL, NULL );
 244                                         goto return_results;
 245                                 }
 246
 247                         } else {
 248 #ifdef NEW_LOGGING
 249                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 250                                            "ldbm_back_modrdn: (%s) has no "
 251                                            "parent & not a root.\n", dn ));
 252 #else
 253                                 Debug( LDAP_DEBUG_TRACE,
 254                                         "<=- ldbm_back_modrdn: no parent & "
 255                                         "not root\n", 0, 0, 0);
 256 #endif
 257
 258                                 send_ldap_result( conn, op,
 259                                         LDAP_INSUFFICIENT_ACCESS,
 260                                         NULL, NULL, NULL, NULL );
 261                                 goto return_results;
 262                         }
 263                 }
 264
 265                 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
 266                 rootlock = 1;
 267
 268 #ifdef NEW_LOGGING
 269                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 270                            "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
 271 #else
 272                 Debug( LDAP_DEBUG_TRACE,
 273                        "ldbm_back_modrdn: no parent, locked root\n",
 274                        0, 0, 0 );
 275 #endif
 276         }
 277
 278         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 279
 280         if ( newSuperior != NULL ) {
 281 #ifdef NEW_LOGGING
 282                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 283                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 284                         newSuperior->bv_val ));
 285 #else
 286                 Debug( LDAP_DEBUG_TRACE,
 287                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 288                         newSuperior->bv_val, 0, 0 );
 289 #endif
 290
 291                 np_ndn = nnewSuperior;
 292
 293                 /* newSuperior == oldParent? */
 294                 if ( dn_match( &p_ndn, np_ndn ) ) {
 295 #ifdef NEW_LOGGING
 296                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO, "ldbm_back_modrdn: "
 297                                 "new parent\"%s\" seems to be the same as the "
 298                                 "old parent \"%s\"\n",
 299                                 newSuperior->bv_val, p_dn.bv_val ));
 300 #else
 301                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 302                                 "new parent\"%s\" seems to be the same as the "
 303                                 "old parent \"%s\"\n",
 304                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 305 #endif
 306
 307                         newSuperior = NULL; /* ignore newSuperior */
 308                 }
 309         }
 310
 311         if ( newSuperior != NULL ) {
 312                 /* newSuperior == entry being moved?, if so ==> ERROR */
 313                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 314
 315                 if ( nnewSuperior->bv_len ) {
 316                         if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
 317 #ifdef NEW_LOGGING
 318                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 319                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn->bv_val ));
 320 #else
 321                                 Debug( LDAP_DEBUG_TRACE,
 322                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 323                                     np_ndn->bv_val, 0, 0);
 324 #endif
 325
 326                                 send_ldap_result( conn, op, LDAP_OTHER,
 327                                         NULL, "newSuperior not found", NULL, NULL );
 328                                 goto return_results;
 329                         }
 330
 331 #ifdef NEW_LOGGING
 332                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 333                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 334                                 np, np->e_id ));
 335 #else
 336                         Debug( LDAP_DEBUG_TRACE,
 337                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 338                                 np, np->e_id, 0 );
 339 #endif
 340
 341                         /* check newSuperior for "children" acl */
 342                         if ( !access_allowed( be, conn, op, np, children, NULL,
 343                                               ACL_WRITE ) )
 344                         {
 345 #ifdef NEW_LOGGING
 346                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 347                                            "ldbm_back_modrdn: no wr to newSup children.\n" ));
 348 #else
 349                                 Debug( LDAP_DEBUG_TRACE,
 350                                        "ldbm_back_modrdn: no wr to newSup children\n",
 351                                        0, 0, 0 );
 352 #endif
 353
 354                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 355                                         NULL, NULL, NULL, NULL );
 356                                 goto return_results;
 357                         }
 358
 359                         if ( is_entry_alias( np ) ) {
 360                                 /* parent is an alias, don't allow add */
 361 #ifdef NEW_LOGGING
 362                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 363                                            "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
 364 #else
 365                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 366 #endif
 367
 368
 369                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 370                                     NULL, "newSuperior is an alias", NULL, NULL );
 371
 372                                 goto return_results;
 373                         }
 374
 375                         if ( is_entry_referral( np ) ) {
 376                                 /* parent is a referral, don't allow add */
 377 #ifdef NEW_LOGGING
 378                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 379                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 380                                 np->e_dn ));
 381 #else
 382                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 383                                         np->e_dn, 0, 0 );
 384 #endif
 385
 386                                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 387                                     NULL, "newSuperior is a referral", NULL, NULL );
 388
 389                                 goto return_results;
 390                         }
 391
 392                 } else {
 393
 394                         /* no parent, must be root to modify newSuperior */
 395                         if ( isroot == -1 ) {
 396                                 isroot = be_isroot( be, &op->o_ndn );
 397                         }
 398
 399                         if ( ! isroot ) {
 400                                 if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
 401                                         np = (Entry *)&slap_entry_root;
 402
 403                                         rc = access_allowed( be, conn, op, np,
 404                                                         children, NULL, ACL_WRITE );
 405                                         np = NULL;
 406
 407                                         /* check parent for "children" acl */
 408                                         if ( ! rc ) {
 409 #ifdef NEW_LOGGING
 410                                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 411                                                         "ldbm_back_modrdn: no access "
 412                                                         "to new superior \"\"\n" ));
 413 #else
 414                                                 Debug( LDAP_DEBUG_TRACE,
 415                                                         "<=- ldbm_back_modrdn: no "
 416                                                         "access to new superior\n", 0, 0, 0 );
 417 #endif
 418
 419                                                 send_ldap_result( conn, op,
 420                                                         LDAP_INSUFFICIENT_ACCESS,
 421                                                         NULL, NULL, NULL, NULL );
 422                                                 goto return_results;
 423                                         }
 424
 425                                 } else {
 426 #ifdef NEW_LOGGING
 427                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 428                                                    "ldbm_back_modrdn: \"\" "
 429                                                    "not allowed as new superior\n" ));
 430 #else
 431                                         Debug( LDAP_DEBUG_TRACE,
 432                                                 "<=- ldbm_back_modrdn: \"\" "
 433                                                 "not allowed as new superior\n",
 434                                                 0, 0, 0);
 435 #endif
 436
 437                                         send_ldap_result( conn, op,
 438                                                 LDAP_INSUFFICIENT_ACCESS,
 439                                                 NULL, NULL, NULL, NULL );
 440                                         goto return_results;
 441                                 }
 442                         }
 443                 }
 444
 445 #ifdef NEW_LOGGING
 446                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 447                         "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
 448 #else
 449                 Debug( LDAP_DEBUG_TRACE,
 450                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 451                     0, 0, 0 );
 452 #endif
 453
 454                 new_parent_dn = newSuperior;
 455         }
 456
 457         /* Build target dn and make sure target entry doesn't exist already. */
 458         build_new_dn( &new_dn, new_parent_dn, newrdn );
 459         dnNormalize2( NULL, &new_dn, &new_ndn );
 460
 461 #ifdef NEW_LOGGING
 462         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 463                 "ldbm_back_modrdn: new ndn=%s\n", new_ndn.bv_val ));
 464 #else
 465         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 466             new_ndn.bv_val, 0, 0 );
 467 #endif
 468
 469         /* check for abandon */
 470         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 471         if ( op->o_abandon ) {
 472                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 473                 goto return_results;
 474         }
 475
 476         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 477         if ( ( rc_id = dn2id ( be, &new_ndn, &id ) ) || id != NOID ) {
 478                 /* if (rc_id) something bad happened to ldbm cache */
 479                 send_ldap_result( conn, op,
 480                         rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
 481                         NULL, NULL, NULL, NULL );
 482                 goto return_results;
 483         }
 484
 485 #ifdef NEW_LOGGING
 486         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 487                 "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn.bv_val ));
 488 #else
 489         Debug( LDAP_DEBUG_TRACE,
 490             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 491             new_ndn.bv_val, 0, 0 );
 492 #endif
 493
 494
 495         /* Get attribute types and values of our new rdn, we will
 496          * need to add that to our new entry
 497          */
 498         if ( ldap_str2rdn( newrdn->bv_val, &new_rdn, (char **)&text,
 499                 LDAP_DN_FORMAT_LDAP ) )
 500         {
 501 #ifdef NEW_LOGGING
 502                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 503                         "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
 504 #else
 505                 Debug( LDAP_DEBUG_TRACE,
 506                     "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
 507                     0, 0, 0 );
 508 #endif
 509
 510                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 511                         NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
 512                 goto return_results;
 513         }
 514
 515 #ifdef NEW_LOGGING
 516         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 517                    "ldbm_back_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 518                    new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val ));
 519 #else
 520         Debug( LDAP_DEBUG_TRACE,
 521                "ldbm_back_modrdn: new_rdn_type=\"%s\", new_rdn_val=\"%s\"\n",
 522                new_rdn[0][0]->la_attr.bv_val, new_rdn[0][0]->la_value.bv_val, 0 );
 523 #endif
 524
 525         /* Retrieve the old rdn from the entry's dn */
 526         if ( ldap_str2rdn( dn->bv_val, &old_rdn, (char **)&text,
 527                 LDAP_DN_FORMAT_LDAP ) )
 528         {
 529 #ifdef NEW_LOGGING
 530                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 531                            "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
 532 #else
 533                 Debug( LDAP_DEBUG_TRACE,
 534                        "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
 535                        0, 0, 0 );
 536 #endif
 537
 538                 send_ldap_result( conn, op, LDAP_OTHER,
 539                         NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
 540                 goto return_results;
 541         }
 542
 543 #if 0
 544         if ( newSuperior == NULL
 545                 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
 546         {
 547             /* Not a big deal but we may say something */
 548 #ifdef NEW_LOGGING
 549             LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 550                        "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
 551                        old_rdn_types[0], new_rdn_types[0] ));
 552 #else
 553             Debug( LDAP_DEBUG_TRACE,
 554                    "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
 555                    old_rdn_types[0], new_rdn_types[0], 0 );
 556 #endif
 557         }
 558 #endif
 559
 560 #ifdef NEW_LOGGING
 561         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 562                    "ldbm_back_modrdn:  DN_X500\n" ));
 563 #else
 564         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 565                0, 0, 0 );
 566 #endif
 567
 568         mod = NULL;
 569         for ( a_cnt = 0; new_rdn[0][a_cnt]; a_cnt++ ) {
 570                 int                     rc;
 571                 AttributeDescription    *desc = NULL;
 572                 Modifications           *mod_tmp;
 573
 574                 rc = slap_bv2ad( &new_rdn[0][a_cnt]->la_attr, &desc, &text );
 575
 576                 if ( rc != LDAP_SUCCESS ) {
 577 #ifdef NEW_LOGGING
 578                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 579                                    "ldbm_back_modrdn: slap_bv2ad error: %s (%s)\n",
 580                                    text, new_rdn[0][a_cnt]->la_attr.bv_val ));
 581 #else
 582                         Debug( LDAP_DEBUG_TRACE,
 583                                 "ldbm_back_modrdn: %s: %s (new)\n",
 584                                 text, new_rdn[0][a_cnt]->la_attr.bv_val, 0 );
 585 #endif
 586
 587                         send_ldap_result( conn, op, rc,
 588                                 NULL, text, NULL, NULL );
 589
 590                         goto return_results;
 591                 }
 592
 593                 if ( ! access_allowed( be, conn, op, e,
 594                                 desc, &new_rdn[0][a_cnt]->la_value, ACL_WRITE ) ) {
 595 #ifdef NEW_LOGGING
 596                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 597                                    "ldbm_back_modrdn: access "
 598                                    "not allowed to attr \"%s\"\n",
 599                                    new_rdn[0][a_cnt]->la_attr.bv_val ));
 600 #else
 601                         Debug( LDAP_DEBUG_TRACE,
 602                                 "ldbm_back_modrdn: access not allowed "
 603                                 "to attr \"%s\"\n%s%s",
 604                                 new_rdn[0][a_cnt]->la_attr.bv_val, "", "" );
 605 #endif
 606                         send_ldap_result( conn, op,
 607                                 LDAP_INSUFFICIENT_ACCESS,
 608                                 NULL, NULL, NULL, NULL );
 609
 610                         goto return_results;
 611                 }
 612
 613                 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications )
 614                         + 2 * sizeof( struct berval ) );
 615                 mod_tmp->sml_desc = desc;
 616                 mod_tmp->sml_bvalues = (BerVarray)( mod_tmp + 1 );
 617                 mod_tmp->sml_bvalues[0] = new_rdn[0][a_cnt]->la_value;
 618                 mod_tmp->sml_bvalues[1].bv_val = NULL;
 619                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 620                 mod_tmp->sml_next = mod;
 621                 mod = mod_tmp;
 622         }
 623
 624         /* Remove old rdn value if required */
 625         if ( deleteoldrdn ) {
 626                 /* Get value of old rdn */
 627                 if ( old_rdn == NULL ) {
 628 #ifdef NEW_LOGGING
 629                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 630                                    "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
 631 #else
 632                         Debug( LDAP_DEBUG_TRACE,
 633                                "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
 634                                0, 0, 0 );
 635 #endif
 636
 637                         send_ldap_result( conn, op, LDAP_OTHER,
 638                                 NULL, "could not parse value(s) from old RDN", NULL, NULL );
 639                         goto return_results;
 640                 }
 641
 642                 for ( d_cnt = 0; old_rdn[0][d_cnt]; d_cnt++ ) {
 643                         int                     rc;
 644                         AttributeDescription    *desc = NULL;
 645                         Modifications           *mod_tmp;
 646
 647                         rc = slap_bv2ad( &old_rdn[0][d_cnt]->la_attr, &desc, &text );
 648
 649                         if ( rc != LDAP_SUCCESS ) {
 650 #ifdef NEW_LOGGING
 651                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 652                                            "ldbm_back_modrdn: %s: %s (old)\n",
 653                                            text, old_rdn[0][d_cnt]->la_attr.bv_val ));
 654 #else
 655                                 Debug( LDAP_DEBUG_TRACE,
 656                                         "ldbm_back_modrdn: %s: %s (old)\n",
 657                                         text, old_rdn[0][d_cnt]->la_attr.bv_val, 0 );
 658 #endif
 659
 660                                 send_ldap_result( conn, op, rc,
 661                                         NULL, text, NULL, NULL );
 662
 663                                 goto return_results;
 664                         }
 665
 666                         if ( ! access_allowed( be, conn, op, e,
 667                                         desc, &old_rdn[0][d_cnt]->la_value, ACL_WRITE ) ) {
 668 #ifdef NEW_LOGGING
 669                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 670                                            "ldbm_back_modrdn: access "
 671                                            "not allowed to attr \"%s\"\n",
 672                                            old_rdn[0][d_cnt]->la_attr.bv_val ));
 673 #else
 674                                 Debug( LDAP_DEBUG_TRACE,
 675                                         "ldbm_back_modrdn: access not allowed "
 676                                         "to attr \"%s\"\n%s%s",
 677                                         old_rdn[0][d_cnt]->la_attr.bv_val, "", "" );
 678 #endif
 679                                 send_ldap_result( conn, op,
 680                                         LDAP_INSUFFICIENT_ACCESS,
 681                                         NULL, NULL, NULL, NULL );
 682
 683                                 goto return_results;
 684                         }
 685
 686                         /* Remove old value of rdn as an attribute. */
 687                         mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications )
 688                                 + 2 * sizeof( struct berval ) );
 689                         mod_tmp->sml_desc = desc;
 690                         mod_tmp->sml_bvalues = (BerVarray)(mod_tmp+1);
 691                         mod_tmp->sml_bvalues[0] = old_rdn[0][d_cnt]->la_value;
 692                         mod_tmp->sml_bvalues[1].bv_val = NULL;
 693                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 694                         mod_tmp->sml_next = mod;
 695                         mod = mod_tmp;
 696
 697 #ifdef NEW_LOGGING
 698                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 699                                    "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn[0][d_cnt]->la_value.bv_val ));
 700 #else
 701                         Debug( LDAP_DEBUG_TRACE,
 702                                "ldbm_back_modrdn: removing old_rdn_val=%s\n",
 703                                old_rdn[0][d_cnt]->la_value.bv_val, 0, 0 );
 704 #endif
 705                 }
 706         }
 707
 708
 709         /* check for abandon */
 710         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 711         if ( op->o_abandon ) {
 712                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 713                 goto return_results;
 714         }
 715         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 716
 717         /* delete old one */
 718         if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 719                 send_ldap_result( conn, op, LDAP_OTHER,
 720                         NULL, "DN index delete fail", NULL, NULL );
 721                 goto return_results;
 722         }
 723
 724         (void) cache_delete_entry( &li->li_cache, e );
 725         rc = MUST_DESTROY;
 726
 727         /* XXX: there is no going back! */
 728
 729         free( e->e_dn );
 730         free( e->e_ndn );
 731         e->e_name = new_dn;
 732         e->e_nname = new_ndn;
 733         new_dn.bv_val = NULL;
 734         new_ndn.bv_val = NULL;
 735
 736         /* add new one */
 737         if ( dn2id_add( be, &e->e_nname, e->e_id ) != 0 ) {
 738                 send_ldap_result( conn, op, LDAP_OTHER,
 739                         NULL, "DN index add failed", NULL, NULL );
 740                 goto return_results;
 741         }
 742
 743         /* modify memory copy of entry */
 744         rc = ldbm_modify_internal( be, conn, op, dn->bv_val, &mod[0], e,
 745                 &text, textbuf, textlen );
 746
 747         if( rc != LDAP_SUCCESS ) {
 748                 if( rc != SLAPD_ABANDON ) {
 749                         send_ldap_result( conn, op, rc,
 750                                 NULL, text, NULL, NULL );
 751                 }
 752
 753                 /* here we may try to delete the newly added dn */
 754                 if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 755                         /* we already are in trouble ... */
 756                         ;
 757                 }
 758
 759                 goto return_results;
 760         }
 761
 762         (void) cache_update_entry( &li->li_cache, e );
 763
 764         /* NOTE: after this you must not free new_dn or new_ndn!
 765          * They are used by cache.
 766          */
 767
 768         /* id2entry index */
 769         if ( id2entry_add( be, e ) != 0 ) {
 770                 send_ldap_result( conn, op, LDAP_OTHER,
 771                         NULL, "entry update failed", NULL, NULL );
 772                 goto return_results;
 773         }
 774
 775         send_ldap_result( conn, op, LDAP_SUCCESS,
 776                 NULL, NULL, NULL, NULL );
 777         rc = 0;
 778         cache_entry_commit( e );
 779
 780 return_results:
 781         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 782         if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
 783
 784         /* LDAP v2 supporting correct attribute handling. */
 785         if( new_rdn ) ldap_rdnfree( new_rdn );
 786         if( old_rdn ) ldap_rdnfree( old_rdn );
 787
 788         if ( mod != NULL ) {
 789                 Modifications *tmp;
 790                 for (; mod; mod = tmp ) {
 791                         tmp = mod->sml_next;
 792                         free( mod );
 793                 }
 794         }
 795
 796         /* LDAP v3 Support */
 797         if( np != NULL ) {
 798                 /* free new parent and writer lock */
 799                 cache_return_entry_w( &li->li_cache, np );
 800         }
 801
 802         if( p != NULL ) {
 803                 /* free parent and writer lock */
 804                 cache_return_entry_w( &li->li_cache, p );
 805         }
 806
 807         if ( rootlock ) {
 808                 /* release root writer lock */
 809                 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
 810         }
 811
 812         /* free entry and writer lock */
 813         cache_return_entry_w( &li->li_cache, e );
 814         if ( rc == MUST_DESTROY ) {
 815                 /* if rc == MUST_DESTROY the entry is uncached
 816                  * and its private data is destroyed;
 817                  * the entry must be freed */
 818                 entry_free( e );
 819         }
 820         return( rc );
 821 }