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     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 = 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         char            **new_rdn_vals = NULL;  /* Vals of new rdn */
  67         char            **new_rdn_types = NULL; /* Types of new rdn */
  68         int             a_cnt, d_cnt;
  69         char            *old_rdn = NULL;        /* Old rdn's attr type & val */
  70         char            **old_rdn_types = NULL; /* Types of old rdn attrs. */
  71         char            **old_rdn_vals = NULL;  /* Old rdn attribute values */
  72         /* Added to support newSuperior */
  73         Entry           *np = NULL;     /* newSuperior Entry */
  74         struct berval   *np_dn = NULL;  /* newSuperior dn */
  75         struct berval   *np_ndn = NULL; /* newSuperior ndn */
  76         struct berval   *new_parent_dn = NULL;  /* np_dn, p_dn, or NULL */
  77         /* Used to interface with ldbm_modify_internal() */
  78         Modifications   *mod = NULL;            /* Used to delete old/add new rdn */
  79         int             manageDSAit = get_manageDSAit( op );
  80
  81 #ifdef NEW_LOGGING
  82         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
  83                 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  84                 dn->bv_len ? dn->bv_val : "NULL",
  85                 ( newSuperior && newSuperior->bv_len )
  86                         ? newSuperior->bv_val : "NULL" ));
  87 #else
  88         Debug( LDAP_DEBUG_TRACE,
  89                 "==>ldbm_back_modrdn: dn: %s newSuperior=%s\n",
  90                 dn->bv_len ? dn->bv_val : "NULL",
  91                 ( newSuperior && newSuperior->bv_len )
  92                         ? newSuperior->bv_val : "NULL", 0 );
  93 #endif
  94
  95         /* get entry with writer lock */
  96         if ( (e = dn2entry_w( be, ndn->bv_val, &matched )) == NULL ) {
  97                 char* matched_dn = NULL;
  98                 struct berval** refs;
  99
 100                 if( matched != NULL ) {
 101                         matched_dn = strdup( matched->e_dn );
 102                         refs = is_entry_referral( matched )
 103                                 ? get_entry_referrals( be, conn, op, matched )
 104                                 : NULL;
 105                         cache_return_entry_r( &li->li_cache, matched );
 106                 } else {
 107                         refs = referral_rewrite( default_referral,
 108                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 109                 }
 110
 111                 send_ldap_result( conn, op, LDAP_REFERRAL,
 112                         matched_dn, NULL, refs, NULL );
 113
 114                 ber_bvecfree( refs );
 115                 free( matched_dn );
 116
 117                 return( -1 );
 118         }
 119
 120         if (!manageDSAit && is_entry_referral( e ) ) {
 121                 /* parent is a referral, don't allow add */
 122                 /* parent is an alias, don't allow add */
 123                 struct berval **refs = get_entry_referrals( be,
 124                         conn, op, e );
 125
 126 #ifdef NEW_LOGGING
 127                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 128                         "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
 129 #else
 130                 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
 131                     0, 0 );
 132 #endif
 133
 134                 send_ldap_result( conn, op, LDAP_REFERRAL,
 135                     e->e_dn, NULL, refs, NULL );
 136
 137                 ber_bvecfree( refs );
 138                 goto return_results;
 139         }
 140
 141         if ( has_children( be, e ) ) {
 142 #ifdef NEW_LOGGING
 143                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 144                         "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
 145 #else
 146                 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
 147                     0, 0 );
 148 #endif
 149
 150                 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
 151                     NULL, "subtree rename not supported", NULL, NULL );
 152                 goto return_results;
 153         }
 154
 155         p_ndn.bv_val = dn_parent( be, e->e_ndn );
 156         if ( p_ndn.bv_val )
 157                 p_ndn.bv_len = e->e_nname.bv_len - (p_ndn.bv_val - e->e_ndn);
 158         else
 159                 p_ndn.bv_len = 0;
 160
 161         if ( p_ndn.bv_len != 0 ) {
 162                 /* Make sure parent entry exist and we can write its
 163                  * children.
 164                  */
 165
 166                 if( (p = dn2entry_w( be, p_ndn.bv_val, NULL )) == NULL) {
 167 #ifdef NEW_LOGGING
 168                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 169                                 "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
 170 #else
 171                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
 172                                 0, 0, 0);
 173 #endif
 174
 175                         send_ldap_result( conn, op, LDAP_OTHER,
 176                                 NULL, "parent entry does not exist", NULL, NULL );
 177
 178                         goto return_results;
 179                 }
 180
 181                 /* check parent for "children" acl */
 182                 if ( ! access_allowed( be, conn, op, p,
 183                         children, NULL, ACL_WRITE ) )
 184                 {
 185 #ifdef NEW_LOGGING
 186                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 187                                    "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
 188 #else
 189                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
 190                                 0, 0 );
 191 #endif
 192
 193                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 194                                 NULL, NULL, NULL, NULL );
 195                         goto return_results;
 196                 }
 197
 198 #ifdef NEW_LOGGING
 199                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 200                            "ldbm_back_modrdn: wr to children of entry %s OK\n",
 201                            p_ndn.bv_val ));
 202 #else
 203                 Debug( LDAP_DEBUG_TRACE,
 204                        "ldbm_back_modrdn: wr to children of entry %s OK\n",
 205                        p_ndn.bv_val, 0, 0 );
 206 #endif
 207
 208                 p_dn.bv_val = dn_parent( be, e->e_dn );
 209                 if ( p_dn.bv_val )
 210                         p_dn.bv_len = e->e_name.bv_len - (p_dn.bv_val - e->e_dn);
 211                 else
 212                         p_dn.bv_len = 0;
 213
 214 #ifdef NEW_LOGGING
 215                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 216                            "ldbm_back_modrdn: parent dn=%s\n", p_dn.bv_val ));
 217 #else
 218                 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
 219                        p_dn.bv_val, 0, 0 );
 220 #endif
 221
 222         } else {
 223                 /* no parent, must be root to modify rdn */
 224                 isroot = be_isroot( be, &op->o_ndn );
 225                 if ( ! isroot ) {
 226                         if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
 227                                 p = (Entry *)&slap_entry_root;
 228
 229                                 rc = access_allowed( be, conn, op, p,
 230                                                 children, NULL, ACL_WRITE );
 231                                 p = NULL;
 232
 233                                 /* check parent for "children" acl */
 234                                 if ( ! rc ) {
 235 #ifdef NEW_LOGGING
 236                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 237                                                 "ldbm_back_modrdn: no access "
 238                                                 "to parent \"\"\n" ));
 239 #else
 240                                         Debug( LDAP_DEBUG_TRACE,
 241                                                 "<=- ldbm_back_modrdn: no "
 242                                                 "access to parent\n", 0, 0, 0 );
 243 #endif
 244
 245                                         send_ldap_result( conn, op,
 246                                                 LDAP_INSUFFICIENT_ACCESS,
 247                                                 NULL, NULL, NULL, NULL );
 248                                         goto return_results;
 249                                 }
 250
 251                         } else {
 252 #ifdef NEW_LOGGING
 253                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 254                                            "ldbm_back_modrdn: (%s) has no "
 255                                            "parent & not a root.\n", dn ));
 256 #else
 257                                 Debug( LDAP_DEBUG_TRACE,
 258                                         "<=- ldbm_back_modrdn: no parent & "
 259                                         "not root\n", 0, 0, 0);
 260 #endif
 261
 262                                 send_ldap_result( conn, op,
 263                                         LDAP_INSUFFICIENT_ACCESS,
 264                                         NULL, NULL, NULL, NULL );
 265                                 goto return_results;
 266                         }
 267                 }
 268
 269                 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
 270                 rootlock = 1;
 271
 272 #ifdef NEW_LOGGING
 273                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 274                            "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
 275 #else
 276                 Debug( LDAP_DEBUG_TRACE,
 277                        "ldbm_back_modrdn: no parent, locked root\n",
 278                        0, 0, 0 );
 279 #endif
 280         }
 281
 282         new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 283
 284         if ( newSuperior != NULL ) {
 285 #ifdef NEW_LOGGING
 286                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 287                         "ldbm_back_modrdn: new parent \"%s\" requested\n",
 288                         newSuperior->bv_val ));
 289 #else
 290                 Debug( LDAP_DEBUG_TRACE,
 291                         "ldbm_back_modrdn: new parent \"%s\" requested...\n",
 292                         newSuperior->bv_val, 0, 0 );
 293 #endif
 294
 295                 np_dn = newSuperior;
 296                 np_ndn = nnewSuperior;
 297
 298                 /* newSuperior == oldParent? */
 299                 if ( p_ndn.bv_len == np_ndn->bv_len &&
 300                         strcmp( p_ndn.bv_val, np_ndn->bv_val ) == 0 ) {
 301 #ifdef NEW_LOGGING
 302                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO, "ldbm_back_modrdn: "
 303                                 "new parent\"%s\" seems to be the same as the "
 304                                 "old parent \"%s\"\n",
 305                                 newSuperior->bv_val, p_dn.bv_val ));
 306 #else
 307                         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: "
 308                                 "new parent\"%s\" seems to be the same as the "
 309                                 "old parent \"%s\"\n",
 310                                 newSuperior->bv_val, p_dn.bv_val, 0 );
 311 #endif
 312
 313                         newSuperior = NULL; /* ignore newSuperior */
 314                 }
 315         }
 316
 317         if ( newSuperior != NULL ) {
 318                 /* newSuperior == entry being moved?, if so ==> ERROR */
 319                 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
 320
 321                 if ( nnewSuperior->bv_len ) {
 322                         if( (np = dn2entry_w( be, np_ndn->bv_val, NULL )) == NULL) {
 323 #ifdef NEW_LOGGING
 324                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 325                                         "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn->bv_val ));
 326 #else
 327                                 Debug( LDAP_DEBUG_TRACE,
 328                                     "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
 329                                     np_ndn->bv_val, 0, 0);
 330 #endif
 331
 332                                 send_ldap_result( conn, op, LDAP_OTHER,
 333                                         NULL, "newSuperior not found", NULL, NULL );
 334                                 goto return_results;
 335                         }
 336
 337 #ifdef NEW_LOGGING
 338                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 339                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 340                                 np, np->e_id ));
 341 #else
 342                         Debug( LDAP_DEBUG_TRACE,
 343                                 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
 344                                 np, np->e_id, 0 );
 345 #endif
 346
 347                         /* check newSuperior for "children" acl */
 348                         if ( !access_allowed( be, conn, op, np, children, NULL,
 349                                               ACL_WRITE ) )
 350                         {
 351 #ifdef NEW_LOGGING
 352                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 353                                            "ldbm_back_modrdn: no wr to newSup children.\n" ));
 354 #else
 355                                 Debug( LDAP_DEBUG_TRACE,
 356                                        "ldbm_back_modrdn: no wr to newSup children\n",
 357                                        0, 0, 0 );
 358 #endif
 359
 360                                 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
 361                                         NULL, NULL, NULL, NULL );
 362                                 goto return_results;
 363                         }
 364
 365                         if ( is_entry_alias( np ) ) {
 366                                 /* parent is an alias, don't allow add */
 367 #ifdef NEW_LOGGING
 368                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 369                                            "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
 370 #else
 371                                 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
 372 #endif
 373
 374
 375                                 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
 376                                     NULL, "newSuperior is an alias", NULL, NULL );
 377
 378                                 goto return_results;
 379                         }
 380
 381                         if ( is_entry_referral( np ) ) {
 382                                 /* parent is a referral, don't allow add */
 383 #ifdef NEW_LOGGING
 384                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 385                                         "ldbm_back_modrdn: entry (%s) is a referral\n",
 386                                 np->e_dn ));
 387 #else
 388                                 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
 389                                         np->e_dn, 0, 0 );
 390 #endif
 391
 392                                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 393                                     NULL, "newSuperior is a referral", NULL, NULL );
 394
 395                                 goto return_results;
 396                         }
 397
 398                 } else {
 399
 400                         /* no parent, must be root to modify newSuperior */
 401                         if ( isroot == -1 ) {
 402                                 isroot = be_isroot( be, &op->o_ndn );
 403                         }
 404
 405                         if ( ! isroot ) {
 406                                 if ( be_issuffix( be, "" ) || be_isupdate( be, &op->o_ndn ) ) {
 407                                         np = (Entry *)&slap_entry_root;
 408
 409                                         rc = access_allowed( be, conn, op, np,
 410                                                         children, NULL, ACL_WRITE );
 411                                         np = NULL;
 412
 413                                         /* check parent for "children" acl */
 414                                         if ( ! rc ) {
 415 #ifdef NEW_LOGGING
 416                                                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 417                                                         "ldbm_back_modrdn: no access "
 418                                                         "to new superior \"\"\n" ));
 419 #else
 420                                                 Debug( LDAP_DEBUG_TRACE,
 421                                                         "<=- ldbm_back_modrdn: no "
 422                                                         "access to new superior\n", 0, 0, 0 );
 423 #endif
 424
 425                                                 send_ldap_result( conn, op,
 426                                                         LDAP_INSUFFICIENT_ACCESS,
 427                                                         NULL, NULL, NULL, NULL );
 428                                                 goto return_results;
 429                                         }
 430
 431                                 } else {
 432 #ifdef NEW_LOGGING
 433                                         LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 434                                                    "ldbm_back_modrdn: \"\" "
 435                                                    "not allowed as new superior\n" ));
 436 #else
 437                                         Debug( LDAP_DEBUG_TRACE,
 438                                                 "<=- ldbm_back_modrdn: \"\" "
 439                                                 "not allowed as new superior\n",
 440                                                 0, 0, 0);
 441 #endif
 442
 443                                         send_ldap_result( conn, op,
 444                                                 LDAP_INSUFFICIENT_ACCESS,
 445                                                 NULL, NULL, NULL, NULL );
 446                                         goto return_results;
 447                                 }
 448                         }
 449                 }
 450
 451 #ifdef NEW_LOGGING
 452                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 453                         "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
 454 #else
 455                 Debug( LDAP_DEBUG_TRACE,
 456                     "ldbm_back_modrdn: wr to new parent's children OK\n",
 457                     0, 0, 0 );
 458 #endif
 459
 460                 new_parent_dn = np_dn;
 461         }
 462
 463         /* Build target dn and make sure target entry doesn't exist already. */
 464         build_new_dn( &new_dn, new_parent_dn, newrdn );
 465         dnNormalize( NULL, &new_dn, &new_ndn );
 466
 467 #ifdef NEW_LOGGING
 468         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 469                 "ldbm_back_modrdn: new ndn=%s\n", new_ndn->bv_val ));
 470 #else
 471         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
 472             new_ndn->bv_val, 0, 0 );
 473 #endif
 474
 475         /* check for abandon */
 476         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 477         if ( op->o_abandon ) {
 478                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 479                 goto return_results;
 480         }
 481
 482         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 483         if ( ( rc_id = dn2id ( be, new_ndn->bv_val, &id ) ) || id != NOID ) {
 484                 /* if (rc_id) something bad happened to ldbm cache */
 485                 send_ldap_result( conn, op,
 486                         rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
 487                         NULL, NULL, NULL, NULL );
 488                 goto return_results;
 489         }
 490
 491 #ifdef NEW_LOGGING
 492         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 493                 "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn ));
 494 #else
 495         Debug( LDAP_DEBUG_TRACE,
 496             "ldbm_back_modrdn: new ndn=%s does not exist\n",
 497             new_ndn, 0, 0 );
 498 #endif
 499
 500
 501         /* Get attribute types and values of our new rdn, we will
 502          * need to add that to our new entry
 503          */
 504         if ( rdn_attrs( newrdn->bv_val, &new_rdn_types, &new_rdn_vals ) ) {
 505 #ifdef NEW_LOGGING
 506                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 507                         "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
 508 #else
 509                 Debug( LDAP_DEBUG_TRACE,
 510                     "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
 511                     0, 0, 0 );
 512 #endif
 513
 514                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
 515                         NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
 516                 goto return_results;
 517         }
 518
 519 #ifdef NEW_LOGGING
 520         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 521                    "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 522                    new_rdn_vals[0], new_rdn_types[0] ));
 523 #else
 524         Debug( LDAP_DEBUG_TRACE,
 525                "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
 526                new_rdn_vals[0], new_rdn_types[0], 0 );
 527 #endif
 528
 529         /* Retrieve the old rdn from the entry's dn */
 530         if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
 531 #ifdef NEW_LOGGING
 532                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 533                            "ldbm_back_modrdn: can't figure out old_rdn from dn (%s)\n",
 534                            dn->bv_val ));
 535 #else
 536                 Debug( LDAP_DEBUG_TRACE,
 537                        "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
 538                        0, 0, 0 );
 539 #endif
 540
 541                 send_ldap_result( conn, op, LDAP_OTHER,
 542                         NULL, "could not parse old DN", NULL, NULL );
 543                 goto return_results;
 544         }
 545
 546         if ( rdn_attrs( old_rdn, &old_rdn_types, &old_rdn_vals ) ) {
 547 #ifdef NEW_LOGGING
 548                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 549                            "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
 550 #else
 551                 Debug( LDAP_DEBUG_TRACE,
 552                        "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
 553                        0, 0, 0 );
 554 #endif
 555
 556                 send_ldap_result( conn, op, LDAP_OTHER,
 557                         NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
 558                 goto return_results;
 559         }
 560
 561         if ( newSuperior == NULL
 562                 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
 563         {
 564             /* Not a big deal but we may say something */
 565 #ifdef NEW_LOGGING
 566             LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 567                        "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
 568                        old_rdn_types[0], new_rdn_types[0] ));
 569 #else
 570             Debug( LDAP_DEBUG_TRACE,
 571                    "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
 572                    old_rdn_types[0], new_rdn_types[0], 0 );
 573 #endif
 574         }
 575
 576 #ifdef NEW_LOGGING
 577         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 578                    "ldbm_back_modrdn:  DN_X500\n" ));
 579 #else
 580         Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
 581                0, 0, 0 );
 582 #endif
 583
 584         mod = NULL;
 585         for ( a_cnt = 0; new_rdn_types[a_cnt]; a_cnt++ ) {
 586                 int                     rc;
 587                 AttributeDescription    *desc = NULL;
 588                 Modifications           *mod_tmp;
 589                 struct berval           val;
 590
 591
 592                 rc = slap_str2ad( new_rdn_types[a_cnt], &desc, &text );
 593
 594                 if ( rc != LDAP_SUCCESS ) {
 595 #ifdef NEW_LOGGING
 596                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 597                                    "ldbm_back_modrdn: slap_str2ad error: %s (%s)\n",
 598                                    text, new_rdn_types[a_cnt] ));
 599 #else
 600                         Debug( LDAP_DEBUG_TRACE,
 601                                 "ldbm_back_modrdn: %s: %s (new)\n",
 602                                 text, new_rdn_types[a_cnt], 0 );
 603 #endif
 604
 605                         send_ldap_result( conn, op, rc,
 606                                 NULL, text, NULL, NULL );
 607
 608                         goto return_results;
 609                 }
 610
 611                 val.bv_val = new_rdn_vals[a_cnt];
 612                 val.bv_len = strlen( val.bv_val );
 613                 if ( ! access_allowed( be, conn, op, e,
 614                                 desc, &val, ACL_WRITE ) ) {
 615 #ifdef NEW_LOGGING
 616                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 617                                    "ldbm_back_modrdn: access "
 618                                    "not allowed to attr \"%s\"\n",
 619                                    new_rdn_types[a_cnt] ));
 620 #else
 621                         Debug( LDAP_DEBUG_TRACE,
 622                                 "ldbm_back_modrdn: access not allowed "
 623                                 "to attr \"%s\"\n%s%s",
 624                                 new_rdn_types[a_cnt], "", "" );
 625 #endif
 626                         send_ldap_result( conn, op,
 627                                 LDAP_INSUFFICIENT_ACCESS,
 628                                 NULL, NULL, NULL, NULL );
 629
 630                         goto return_results;
 631                 }
 632
 633                 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 634                 mod_tmp->sml_desc = desc;
 635                 mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 636                 mod_tmp->sml_bvalues[0] = ber_bvstrdup( new_rdn_vals[a_cnt] );
 637                 mod_tmp->sml_bvalues[1] = NULL;
 638                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 639                 mod_tmp->sml_next = mod;
 640                 mod = mod_tmp;
 641         }
 642
 643         /* Remove old rdn value if required */
 644         if ( deleteoldrdn ) {
 645                 /* Get value of old rdn */
 646                 if ( old_rdn_vals == NULL ) {
 647 #ifdef NEW_LOGGING
 648                         LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 649                                    "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
 650 #else
 651                         Debug( LDAP_DEBUG_TRACE,
 652                                "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
 653                                0, 0, 0 );
 654 #endif
 655
 656                         send_ldap_result( conn, op, LDAP_OTHER,
 657                                 NULL, "could not parse value(s) from old RDN", NULL, NULL );
 658                         goto return_results;
 659                 }
 660
 661                 for ( d_cnt = 0; old_rdn_types[d_cnt]; d_cnt++ ) {
 662                         int                     rc;
 663                         AttributeDescription    *desc = NULL;
 664                         Modifications           *mod_tmp;
 665                         struct berval           val;
 666
 667
 668                         rc = slap_str2ad( old_rdn_types[d_cnt], &desc, &text );
 669
 670                         if ( rc != LDAP_SUCCESS ) {
 671 #ifdef NEW_LOGGING
 672                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 673                                            "ldbm_back_modrdn: %s: %s (old)\n",
 674                                            text, old_rdn_types[d_cnt] ));
 675 #else
 676                                 Debug( LDAP_DEBUG_TRACE,
 677                                         "ldbm_back_modrdn: %s: %s (old)\n",
 678                                         text, old_rdn_types[d_cnt], 0 );
 679 #endif
 680
 681                                 send_ldap_result( conn, op, rc,
 682                                         NULL, text, NULL, NULL );
 683
 684                                 goto return_results;
 685                         }
 686
 687                         val.bv_val = old_rdn_vals[d_cnt];
 688                         val.bv_len = strlen( val.bv_val );
 689                         if ( ! access_allowed( be, conn, op, e,
 690                                         desc, &val, ACL_WRITE ) ) {
 691 #ifdef NEW_LOGGING
 692                                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 693                                            "ldbm_back_modrdn: access "
 694                                            "not allowed to attr \"%s\"\n",
 695                                            old_rdn_types[d_cnt] ));
 696 #else
 697                                 Debug( LDAP_DEBUG_TRACE,
 698                                         "ldbm_back_modrdn: access not allowed "
 699                                         "to attr \"%s\"\n%s%s",
 700                                         old_rdn_types[d_cnt], "", "" );
 701 #endif
 702                                 send_ldap_result( conn, op,
 703                                         LDAP_INSUFFICIENT_ACCESS,
 704                                         NULL, NULL, NULL, NULL );
 705
 706                                 goto return_results;
 707                         }
 708
 709                         /* Remove old value of rdn as an attribute. */
 710                         mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
 711                         mod_tmp->sml_desc = desc;
 712                         mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
 713                         mod_tmp->sml_bvalues[0] = ber_bvstrdup( old_rdn_vals[d_cnt] );
 714                         mod_tmp->sml_bvalues[1] = NULL;
 715                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 716                         mod_tmp->sml_next = mod;
 717                         mod = mod_tmp;
 718
 719 #ifdef NEW_LOGGING
 720                         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 721                                    "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn_vals[0] ));
 722 #else
 723                         Debug( LDAP_DEBUG_TRACE,
 724                                "ldbm_back_modrdn: removing old_rdn_val=%s\n",
 725                                old_rdn_vals[0], 0, 0 );
 726 #endif
 727                 }
 728         }
 729
 730
 731         /* check for abandon */
 732         ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
 733         if ( op->o_abandon ) {
 734                 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 735                 goto return_results;
 736         }
 737         ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 738
 739         /* delete old one */
 740         if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 741                 send_ldap_result( conn, op, LDAP_OTHER,
 742                         NULL, "DN index delete fail", NULL, NULL );
 743                 goto return_results;
 744         }
 745
 746         (void) cache_delete_entry( &li->li_cache, e );
 747         rc = MUST_DESTROY;
 748
 749         /* XXX: there is no going back! */
 750
 751         free( e->e_dn );
 752         free( e->e_ndn );
 753         e->e_name = new_dn;
 754         e->e_nname = *new_ndn;
 755         new_dn.bv_val = NULL;
 756         new_ndn = NULL;
 757
 758         /* add new one */
 759         if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
 760                 send_ldap_result( conn, op, LDAP_OTHER,
 761                         NULL, "DN index add failed", NULL, NULL );
 762                 goto return_results;
 763         }
 764
 765         /* modify memory copy of entry */
 766         rc = ldbm_modify_internal( be, conn, op, dn->bv_val, &mod[0], e,
 767                 &text, textbuf, textlen );
 768
 769         if( rc != LDAP_SUCCESS ) {
 770                 if( rc != SLAPD_ABANDON ) {
 771                         send_ldap_result( conn, op, rc,
 772                                 NULL, text, NULL, NULL );
 773                 }
 774
 775                 /* here we may try to delete the newly added dn */
 776                 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
 777                         /* we already are in trouble ... */
 778                         ;
 779                 }
 780
 781                 goto return_results;
 782         }
 783
 784         (void) cache_update_entry( &li->li_cache, e );
 785
 786         /* NOTE: after this you must not free new_dn or new_ndn!
 787          * They are used by cache.
 788          */
 789
 790         /* id2entry index */
 791         if ( id2entry_add( be, e ) != 0 ) {
 792                 send_ldap_result( conn, op, LDAP_OTHER,
 793                         NULL, "entry update failed", NULL, NULL );
 794                 goto return_results;
 795         }
 796
 797         send_ldap_result( conn, op, LDAP_SUCCESS,
 798                 NULL, NULL, NULL, NULL );
 799         rc = 0;
 800         cache_entry_commit( e );
 801
 802 return_results:
 803         if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
 804         if( new_ndn != NULL ) ber_bvfree( new_ndn );
 805
 806         /* LDAP v2 supporting correct attribute handling. */
 807         if( new_rdn_types != NULL ) charray_free( new_rdn_types );
 808         if( new_rdn_vals != NULL ) charray_free( new_rdn_vals );
 809         if( old_rdn != NULL ) free(old_rdn);
 810         if( old_rdn_types != NULL ) charray_free( old_rdn_types );
 811         if( old_rdn_vals != NULL ) charray_free( old_rdn_vals );
 812
 813         if ( mod != NULL ) {
 814                 slap_mods_free( mod );
 815         }
 816
 817         /* LDAP v3 Support */
 818         if( np != NULL ) {
 819                 /* free new parent and writer lock */
 820                 cache_return_entry_w( &li->li_cache, np );
 821         }
 822
 823         if( p != NULL ) {
 824                 /* free parent and writer lock */
 825                 cache_return_entry_w( &li->li_cache, p );
 826         }
 827
 828         if ( rootlock ) {
 829                 /* release root writer lock */
 830                 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
 831         }
 832
 833         /* free entry and writer lock */
 834         cache_return_entry_w( &li->li_cache, e );
 835         if ( rc == MUST_DESTROY ) {
 836                 /* if rc == MUST_DESTROY the entry is uncached
 837                  * and its private data is destroyed;
 838                  * the entry must be freed */
 839                 entry_free( e );
 840         }
 841         return( rc );
 842 }